CN108544914B

CN108544914B - new forms of energy electric motor car that power supply was convenient for change

Info

Publication number: CN108544914B
Application number: CN201810586393.7A
Authority: CN
Inventors: 戴斯德
Original assignee: Xiamen Dell Happy New Energy Automobile Co Ltd
Current assignee: Xiamen Dell Happy New Energy Automobile Co Ltd
Priority date: 2017-08-02
Filing date: 2017-08-02
Publication date: 2019-12-10
Anticipated expiration: 2037-08-02
Also published as: CN108973635A; CN108859714B; CN107379952B; CN108859714A; CN108973635B; CN108544914A; CN107379952A

Abstract

the invention provides a new energy electric vehicle with a conveniently replaced power source, which breaks through the power supply form of the traditional electric vehicle and comprises a replaceable standby power battery and a loading device for loading the standby power battery, wherein the loading device can buffer the standby power battery in all directions, the safety protection is comprehensive and effective, the standby power battery is ensured not to be impacted and damaged, and the standby power battery is flexible and convenient to disassemble and assemble, durable in power and high in practicability.

Description

new forms of energy electric motor car that power supply was convenient for change

The patent application of the invention is a divisional application of Chinese patent application No. 201710649807.1, the application No. of the original application is 201710649807.1, the application date is 2017, 08 and 02 days, and the invention is named as a low-speed new energy electric vehicle with an environment-friendly power source convenient to replace.

Technical Field

The invention relates to the field of electric automobiles, in particular to a new energy electric vehicle with a conveniently replaced power source.

Background

the electric automobile belongs to a new energy automobile, has a long-term development prospect, is particularly more environment-friendly than a low-speed electric automobile, has a known structure and roughly comprises an automobile main body, and the automobile main body is provided with a controller, a motive power battery and a power detector for detecting the power of the motive power battery. However, in the actual use process, the situation that the electric quantity of the motive power battery is insufficient often occurs, the charging is inconvenient in the process, the charging time is long, and a lot of troubles are brought to a user.

accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

Disclosure of Invention

The invention aims to provide a new energy electric vehicle which can buffer the vibration of a standby power battery in all directions, has comprehensive and effective safety protection, ensures that the standby power battery is not impacted and damaged, and is convenient to replace a power source.

In order to achieve the purpose, the invention adopts the following technical scheme:

a new energy electric vehicle with a conveniently replaced power source comprises a vehicle main body, wherein the vehicle main body is provided with a prime power battery; the device also comprises a replaceable standby power battery and a loading device for loading the standby power battery;

the backup power battery is connected in parallel with the motive power battery, the motive power battery having a first control switch controlled by a controller, the backup power battery having a second control switch controlled by the controller; the circuit where the primary power battery is located is a first branch circuit, the circuit where the standby power battery is located is a second branch circuit, the first branch circuit and the second branch circuit are provided with a first node at one end and a second node at the other end, the first control switch is arranged on the first branch circuit and close to the first node, and the second control switch is arranged on the second branch circuit and close to the first node; a third branch is connected between the first branch and the second branch, and a third control switch controlled by the controller is arranged on the third branch; the third branch has a third node connected with the first branch and a fourth node connected with the second branch, the third node is between the primary power battery and the first control switch, and the fourth node is between the backup power battery and the second control switch;

The loading device comprises a loading main body positioned at the lower part and a loading cover body positioned at the upper part; the standby power battery is provided with an upward battery upper side face, a downward battery lower side face, and a battery first side face, a battery second side face, a battery third side face and a battery fourth side face which are adjacent in sequence in the lateral direction; the loading main body comprises a first side buffer device, a second side buffer device, a third side buffer device and a fourth side buffer device which respectively correspond to the first side of the battery, the second side of the battery, the third side of the battery and the fourth side of the battery;

The first side buffer device comprises a first seat body and a first buffer component which is arranged on the first seat body and elastically supports against the first side face of the battery; the first buffer component comprises a first cylindrical part which is horizontally arranged and parallel to the first side face of the battery, a first supporting part which is formed on the first cylindrical part, extends along the first cylindrical part and is supported below the standby power battery, and a first abutting part which is formed on the first cylindrical part, extends along the first cylindrical part and is opposite to the first side face of the battery; on the cross section of the first buffering component, the central angle degree corresponding to the first cylindrical part is greater than the central angle degree corresponding to the first bearing part and the first abutting part; the first base body is provided with a first accommodating groove which faces the first side surface of the battery and accommodates the first cylindrical part, and the first accommodating groove is provided with a first upper inner side surface at the upper side, a first lower inner side surface at the lower side and a first groove bottom surface at the groove bottom and parallel to the first side surface of the battery; the distance between the first upper inner side surface and the first lower inner side surface is equal to the diameter of the first cylindrical part; the first cylindrical part is provided with a first rotating shaft, the axis of the first rotating shaft is positioned in the plane of the upper edge and the lower edge of the first accommodating groove, and the first cylindrical part is provided with a first upper protruding arc part protruding out of the outer side of the upper edge of the first accommodating groove and a first lower protruding arc part protruding out of the outer side of the lower edge of the first accommodating groove; the first rotating shaft is connected with the bottom surface of the first groove through a horizontally arranged first connecting rod, and the first connecting rod is pivoted with the bottom surface of the first groove together and can be turned over up and down; the first abutting part is provided with a first abutting surface corresponding to the first side surface of the battery and a first upper limiting surface corresponding to the upper edge of the first containing groove, the lower end of the first upper limiting surface is connected with the first upper protruding arc-shaped part, a first upper clearance included angle is formed between the first upper limiting surface and the upper edge of the first containing groove, and the first abutting surface is provided with a first elastic layer which elastically abuts against the first side surface of the battery and gradually thickens from bottom to top; the first elastic layer is only connected with the first abutting surface and is in sliding contact with the first bearing part; the first elastic layer is provided with a first elastic contact surface facing the first side surface of the battery, the first elastic contact surface comprises a first vertical contact surface and a first arc-shaped contact surface, the first vertical contact surface is positioned at the lower part and is parallel to the first side surface of the battery, the first arc-shaped contact surface is smoothly connected above the first lower contact surface and is gradually bent towards the first seat body from bottom to top, and the first elastic contact surface is covered with a first resin smooth layer; the first supporting part is provided with a first supporting surface, a downward first lower surface and a first lower limiting surface, the first supporting surface corresponds to the lower side surface of the battery and is connected with the lower end of the first abutting surface, the first lower limiting surface corresponds to the lower edge of the first accommodating groove, the upper end of the first lower limiting surface is connected with the first lower protruding arc part, and a first lower clearance included angle is formed between the first lower limiting surface and the lower edge of the first accommodating groove; the first cylindrical part is provided with a first strip-shaped hole for accommodating the first rotating shaft, the first strip-shaped hole is horizontally arranged, the first strip-shaped hole is provided with a first far shaft end facing a first side surface of the battery and a first near shaft end facing the first accommodating groove, the first near shaft end is in a circular arc shape matched with the peripheral surface of the first rotating shaft, the axis of the first near shaft end is the same as the axis of the first cylindrical part, the distance from the first far shaft end to the axis of the circular arc-shaped first near shaft end is greater than the distance from the first far shaft end to the axis of the first rotating shaft, and a first buffer pressure spring is arranged between the first rotating shaft and the first far shaft end in a stretched mode; a plurality of first upper sliding grooves parallel to the first connecting rods are formed on the first upper inner side surface, a plurality of first lower sliding grooves parallel to the first connecting rods are formed on the first lower inner side surface, and a plurality of first annular bulges which are perpendicular to the axis of the first cylindrical part and are matched with the first upper sliding grooves and the first lower sliding grooves to slide are formed on the peripheral surface of the first cylindrical part; the first buffer component is provided with a first state maintaining tension spring for maintaining the overturning state of the first buffer component, the first state maintaining tension spring is provided with a first tension spring upper end connected with the first buffer component and a first tension spring lower end connected with the lower part of the first seat body, the first buffer component is provided with a first upper connecting part connected with the first tension spring upper end, and the first seat body is provided with a first lower connecting part connected with the first tension spring upper end; defining a connecting line of the first lower connecting part and the first rotating shaft center as a first connecting line, and defining a connecting line of the first rotating shaft center and the first upper connecting part as a second connecting line, wherein an upper extension line of the first connecting line is positioned above an upper extension line of the second connecting line, and an included angle degree between the upper extension line of the first connecting line and the upper extension line of the second connecting line is half of the included angle degree of the first upper gap;

the second side buffer device comprises a second seat body and a second buffer part which is arranged on the second seat body and elastically supports against the second side surface of the battery; the second buffer component comprises a second cylindrical part which is horizontally arranged and parallel to the second side face of the battery, a second supporting part which is formed on the second cylindrical part, extends along the second cylindrical part and is supported below the standby power battery, and a second abutting part which is formed on the second cylindrical part, extends along the second cylindrical part and is opposite to the second side face of the battery; on the cross section of the second buffer part, the central angle degree corresponding to the second cylindrical part is greater than the central angle degree corresponding to the second bearing part and the second butting part; the second base is provided with a second accommodating groove which faces the second side surface of the battery and accommodates the second cylindrical part, and the second accommodating groove is provided with a second upper inner side surface at the upper side, a second lower inner side surface at the lower side and a second groove bottom surface at the groove bottom and parallel to the second side surface of the battery; the distance between the second upper inner side surface and the second lower inner side surface is equal to the diameter of the second cylindrical part; the second cylindrical part is provided with a second rotating shaft, the axis of the second rotating shaft is positioned in the plane of the upper edge and the lower edge of the second accommodating groove, and the second cylindrical part is provided with a second upper protruding arc part protruding out of the outer side of the upper edge of the second accommodating groove and a second lower protruding arc part protruding out of the outer side of the lower edge of the second accommodating groove; the second rotating shaft is connected with the bottom surface of the second groove through a second connecting rod which is horizontally arranged, and the second connecting rod is pivoted with the bottom surface of the second groove together and can be turned over up and down; the second abutting part is provided with a second abutting surface corresponding to the second side surface of the battery and a second upper limiting surface corresponding to the upper edge of the second accommodating groove, the lower end of the second upper limiting surface is connected with the second upper protruding arc part, a second upper clearance included angle is formed between the second upper limiting surface and the upper edge of the second accommodating groove, and the second abutting surface is provided with a second elastic layer which elastically abuts against the second side surface of the battery and gradually thickens from bottom to top; the second elastic layer is only connected with the second abutting surface and is in sliding contact with the second bearing part; the second elastic layer is provided with a second elastic contact surface facing the second side surface of the battery, the second elastic contact surface comprises a second vertical contact surface and a second arc-shaped contact surface, the second vertical contact surface is positioned at the lower part and is parallel to the second side surface of the battery, the second arc-shaped contact surface is connected above the second lower contact surface in a smooth mode and is gradually bent towards the direction of the second base body from bottom to top, and a second resin smooth layer is covered on the second elastic contact surface; the second supporting part is provided with a second supporting surface, a second lower surface and a second lower limiting surface, the second supporting surface corresponds to the lower side surface of the battery and is connected with the lower end of the second abutting surface, the second lower limiting surface faces downwards, the second lower limiting surface corresponds to the lower edge of the second accommodating groove, the upper end of the second lower limiting surface is connected with the second lower protruding arc part, and a second lower clearance included angle is formed between the second lower limiting surface and the lower edge of the second accommodating groove; a second strip-shaped hole for accommodating the second rotating shaft is formed in the second cylindrical part, the second strip-shaped hole is horizontally arranged, the second strip-shaped hole is provided with a second far shaft end facing the second side face of the battery and a second near shaft end facing the second accommodating groove, the second near shaft end is in a circular arc shape matched with the peripheral face of the second rotating shaft, the axis of the second near shaft end is the same as the axis of the second cylindrical part, the distance from the second far shaft end to the axis of the circular arc-shaped second near shaft end is greater than the distance from the second far shaft end to the axis of the second rotating shaft, and a second buffer pressure spring is arranged between the second rotating shaft and the second far shaft end in a stretched mode; a plurality of second upper sliding grooves parallel to the second connecting rods are formed on the second upper inner side surface, a plurality of second lower sliding grooves parallel to the second connecting rods are formed on the second lower inner side surface, and a plurality of second annular bulges which are perpendicular to the axis of the second cylindrical part and are matched with the second upper sliding grooves and the second lower sliding grooves to slide are formed on the circumferential surface of the second cylindrical part; the second buffer component is provided with a second state maintaining tension spring for maintaining the overturning state of the second buffer component, the second state maintaining tension spring is provided with a second tension spring upper end connected with the second buffer component and a second tension spring lower end connected with the lower part of the second seat body, the second buffer component is provided with a second upper connecting part connected with the second tension spring upper end, and the second seat body is provided with a second lower connecting part connected with the second tension spring upper end; defining a connecting line of the second lower connecting part and the second rotating shaft center as a third connecting line, and defining a connecting line of the second rotating shaft center and the second upper connecting part as a fourth connecting line, wherein an upper extension line of the third connecting line is positioned above an upper extension line of the fourth connecting line, and an included angle degree between the upper extension line of the third connecting line and the upper extension line of the fourth connecting line is half of the included angle degree of the second upper gap;

the third side buffer device comprises a third seat body and a third buffer part which is arranged on the third seat body and elastically supports against the third side surface of the battery; the third buffer component comprises a third column part which is horizontally arranged and is parallel to the third side surface of the battery, a third supporting part which is formed on the third cylindrical part, extends along the third cylindrical part and is supported below the standby power battery, and a third abutting part which is formed on the third cylindrical part, extends along the third cylindrical part and is opposite to the third side surface of the battery; on the cross section of the third buffer part, the central angle degree corresponding to the third cylindrical part is greater than the central angle degree corresponding to the third bearing part and the third butting part; the third base body is provided with a third accommodating groove which faces the third side surface of the battery and accommodates the third cylindrical part, and the third accommodating groove is provided with a third upper inner side surface at the upper side, a third lower inner side surface at the lower side and a third groove bottom surface at the groove bottom and parallel to the third side surface of the battery; the distance between the third upper inner side surface and the third lower inner side surface is equal to the diameter of the third cylindrical part; the third cylindrical part is provided with a third rotating shaft, the axis of the third rotating shaft is positioned in the plane of the upper edge and the lower edge of the third accommodating groove, and the third cylindrical part is provided with a third upper protruding arc part protruding out of the outer side of the upper edge of the third accommodating groove and a third lower protruding arc part protruding out of the outer side of the lower edge of the third accommodating groove; the third rotating shaft is connected with the bottom surface of the third groove through a horizontally arranged third connecting rod, and the third connecting rod is pivoted with the bottom surface of the third groove together and can be turned over up and down; the third abutting part is provided with a third abutting surface corresponding to the third side surface of the battery and a third upper limiting surface corresponding to the upper edge of the third accommodating groove, the lower end of the third upper limiting surface is connected with the third upper protruding arc part, a third upper clearance included angle is formed between the third upper limiting surface and the upper edge of the third accommodating groove, and the third abutting surface is provided with a third elastic layer which elastically abuts against the third side surface of the battery and gradually thickens from bottom to top; the third elastic layer is only connected with the third abutting surface and is in sliding contact with the third bearing part; the third elastic layer is provided with a third elastic contact surface facing the third side surface of the battery, the third elastic contact surface comprises a third vertical contact surface and a third arc-shaped contact surface, the third vertical contact surface is positioned at the lower part and is parallel to the third side surface of the battery, the third arc-shaped contact surface is connected above the third lower contact surface in a smooth mode and is gradually bent towards the direction of the third seat body from bottom to top, and a third resin smooth layer covers the third elastic contact surface; the third supporting part is provided with a third supporting surface, a downward third lower surface and a third lower limiting surface, the third supporting surface corresponds to the lower side surface of the battery and is connected with the lower end of the third abutting surface, the third lower limiting surface corresponds to the lower edge of the third accommodating groove, the upper end of the third lower limiting surface is connected with the third lower protruding arc part, and a third lower clearance included angle is formed between the third lower limiting surface and the lower edge of the third accommodating groove; a third strip-shaped hole for accommodating the third rotating shaft is formed in the third cylindrical part, the third strip-shaped hole is horizontally arranged, the third strip-shaped hole is provided with a third far shaft end facing the third side face of the battery and a third near shaft end facing the third accommodating groove, the third near shaft end is in a circular arc shape matched with the peripheral face of the third rotating shaft, the axis of the third near shaft end is the same as the axis of the third cylindrical part, the distance from the third far shaft end to the axis of the circular arc-shaped third near shaft end is greater than the distance from the third far shaft end to the axis of the third rotating shaft, and a third buffer pressure spring is arranged between the third rotating shaft and the third far shaft end; a plurality of third upper sliding grooves parallel to the third connecting rods are formed on the third upper inner side surface, a plurality of third lower sliding grooves parallel to the third connecting rods are formed on the third lower inner side surface, and a plurality of third annular bulges which are perpendicular to the axis of the third cylindrical part and are matched with the third upper sliding grooves and the third lower sliding grooves to slide are formed on the peripheral surface of the third cylindrical part; the third buffer component is provided with a third state maintaining tension spring for maintaining the turnover state of the third buffer component, the third state maintaining tension spring is provided with a third tension spring upper end connected with the third buffer component and a third tension spring lower end connected with the lower part of the third seat body, the third buffer component is provided with a third upper connecting part connected with the third tension spring upper end, and the third seat body is provided with a third lower connecting part connected with the third tension spring upper end; defining a connecting line of the third lower connecting part and the third rotating shaft center as a fifth connecting line, a connecting line of the third rotating shaft center and the third upper connecting part as a sixth connecting line, wherein an upper extension line of the fifth connecting line is positioned above an upper extension line of the sixth connecting line, and an included angle degree between the upper extension line of the fifth connecting line and the upper extension line of the sixth connecting line is half of an included angle degree of the third upper gap;

The fourth side buffer device comprises a fourth seat body and a fourth buffer component which is arranged on the fourth seat body and elastically supports against the fourth side face of the battery; the fourth buffer component comprises a fourth column part which is horizontally arranged and is parallel to the fourth side surface of the battery, a fourth supporting part which is formed on the fourth cylindrical part, extends along the fourth cylindrical part and is supported below the standby power battery, and a fourth abutting part which is formed on the fourth cylindrical part, extends along the fourth cylindrical part and is opposite to the fourth side surface of the battery; on the cross section of the fourth buffering component, the central angle degree corresponding to the fourth cylindrical part is greater than the central angle degree corresponding to the fourth supporting part and the fourth butting part; the fourth seat body is formed with a fourth accommodating groove facing the fourth side surface of the battery and accommodating the fourth cylindrical part, and the fourth accommodating groove is provided with a fourth upper inner side surface at the upper side, a fourth lower inner side surface at the lower side and a fourth groove bottom surface parallel to the fourth side surface of the battery at the groove bottom; the distance between the fourth upper inner side surface and the fourth lower inner side surface is equal to the diameter of the fourth cylindrical part; the fourth cylindrical part is provided with a fourth rotating shaft, the axis of the fourth rotating shaft is positioned in the plane of the upper edge and the lower edge of the fourth accommodating groove, and the fourth cylindrical part is provided with a fourth upper protruding arc part protruding out of the outer side of the upper edge of the fourth accommodating groove and a fourth lower protruding arc part protruding out of the outer side of the lower edge of the fourth accommodating groove; the fourth rotating shaft is connected with the bottom surface of the fourth groove through a horizontally arranged fourth connecting rod, and the fourth connecting rod is pivoted with the bottom surface of the fourth groove together and can be turned over up and down; the fourth abutting part is provided with a fourth abutting surface corresponding to the fourth side surface of the battery and a fourth upper limiting surface corresponding to the upper edge of the fourth accommodating groove, the lower end of the fourth upper limiting surface is connected with the fourth upper protruding arc part, a fourth upper gap included angle is formed between the fourth upper limiting surface and the upper edge of the fourth accommodating groove, and the fourth abutting surface is provided with a fourth elastic layer which elastically abuts against the fourth side surface of the battery and gradually becomes thick from bottom to top; the fourth elastic layer is only connected with the fourth abutting surface and is in sliding contact with the fourth bearing part; the fourth elastic layer is provided with a fourth elastic contact surface facing the fourth side surface of the battery, the fourth elastic contact surface comprises a fourth vertical contact surface and a fourth arc-shaped contact surface, the fourth vertical contact surface is positioned at the lower part and is parallel to the fourth side surface of the battery, the fourth arc-shaped contact surface is connected above the fourth lower contact surface in a smooth mode and is gradually bent towards the fourth seat body from bottom to top, and a fourth resin smooth layer is covered on the fourth elastic contact surface; the fourth supporting part is provided with a fourth supporting surface, a downward fourth lower surface and a fourth lower limiting surface, the fourth supporting surface corresponds to the lower side surface of the battery and is connected with the lower end of the fourth abutting surface, the fourth lower limiting surface corresponds to the lower edge of the fourth accommodating groove, the upper end of the fourth lower limiting surface is connected with the fourth lower protruding arc part, and a fourth lower clearance included angle is formed between the fourth lower limiting surface and the lower edge of the fourth accommodating groove; a fourth hole for accommodating the fourth rotating shaft is formed in the fourth cylindrical portion, the fourth hole is horizontally arranged, the fourth hole is provided with a fourth far shaft end facing the fourth side face of the battery and a fourth near shaft end facing the fourth accommodating groove, the fourth near shaft end is in a circular arc shape matched with the peripheral face of the fourth rotating shaft, the axis of the fourth near shaft end is the same as the axis of the fourth cylindrical portion, the distance from the fourth far shaft end to the axis of the circular arc-shaped fourth near shaft end is greater than the distance from the fourth far shaft end to the axis of the fourth rotating shaft, and a fourth buffering pressure spring is arranged between the fourth rotating shaft and the fourth far shaft end in a stretching mode; a plurality of fourth upper sliding grooves parallel to the fourth connecting rods are formed on the fourth upper inner side surface, a plurality of fourth lower sliding grooves parallel to the fourth connecting rods are formed on the fourth lower inner side surface, and a plurality of fourth annular bulges which are perpendicular to the axis of the fourth cylindrical part and are matched with the fourth upper sliding grooves and the fourth lower sliding grooves to slide are formed on the peripheral surface of the fourth cylindrical part; the fourth buffer component is provided with a fourth state maintaining tension spring for maintaining the turnover state of the fourth buffer component, the fourth state maintaining tension spring is provided with a fourth tension spring upper end connected with the fourth buffer component and a fourth tension spring lower end connected with the lower part of the fourth seat body, the fourth buffer component is provided with a fourth upper connecting part connected with the fourth tension spring upper end, and the fourth seat body is provided with a fourth lower connecting part connected with the fourth tension spring upper end; defining a connecting line between the fourth lower connecting part and the fourth rotating shaft center as a seventh connecting line, a connecting line between the fourth rotating shaft center and the fourth upper connecting part as an eighth connecting line, wherein an upper extension line of the seventh connecting line is positioned above an upper extension line of the eighth connecting line, and an included angle degree between the upper extension line of the seventh connecting line and the upper extension line of the eighth connecting line is half of an included angle degree of the fourth upper gap;

The loading cover body comprises a cover main body and a downward pressing and propping device for elastically pressing and propping the top of the standby power battery; the cover main body is provided with a pivoting end which is pivoted with the top of the first side buffer device and can be turned over up and down, and a buckling end which is buckled with the top of the third side buffer device; a lower groove for accommodating the lower pressing and propping device is formed on the lower surface of the cover main body, and the lower pressing and propping device comprises a lower pressing and propping block and a multidirectional buffer device which are accommodated in the lower groove; the lower groove is in a cuboid shape and is provided with a lower groove bottom wall positioned above the lower groove bottom wall, and a first lower groove side wall, a second lower groove side wall, a third lower groove side wall and a fourth lower groove side wall which are respectively parallel to the first side surface of the battery, the second side surface of the battery, the third side surface of the battery and the fourth side surface of the battery; the lower pressing and propping block is in a cuboid shape, and a gap is formed between the lower pressing and propping block and the inner side wall of the lower groove; the lower pressing and abutting block is provided with an abutting block top wall corresponding to the lower groove bottom wall, an abutting block bottom wall facing the standby power battery, and a first abutting block side wall, a second abutting block side wall, a third abutting block side wall and a fourth abutting block side wall which respectively correspond to the first lower groove side wall, the second lower groove side wall, the third lower groove side wall and the fourth lower groove side wall in sequence; the multi-directional buffer device comprises an upper pressure spring stretched between the bottom wall of the lower groove and the top wall of the abutting block, a first side pressure spring stretched between the side wall of the first lower groove and the side wall of the first abutting block, a second side pressure spring stretched between the side wall of the second lower groove and the side wall of the second abutting block, a third side pressure spring stretched between the side wall of the third lower groove and the side wall of the third abutting block, and a fourth side pressure spring stretched between the side wall of the fourth lower groove and the side wall of the fourth abutting block; the bottom wall of the abutting block is provided with an abutting positioning bulge which protrudes downwards and is in a regular quadrangular pyramid shape, the standby power battery is provided with an abutting positioning groove which is matched with and used for accommodating the abutting positioning bulge, and the height of the abutting positioning bulge is larger than the depth of the abutting positioning groove;

the bottom surface of the first groove is provided with a first pivoting part pivoted with the first connecting rod; the bottom surface of the second groove is provided with a second pivoting part pivoted with the second connecting rod; the bottom surface of the third groove is provided with a third pivoting part pivoted with the third connecting rod; and a fourth pivoting part pivoted with the fourth connecting rod is arranged on the bottom surface of the fourth groove.

the buffer compression spring mechanism comprises a plurality of edges, wherein the first buffer compression spring is uniformly arranged on the first rotating shaft, the plurality of edges are uniformly arranged on the second rotating shaft, the second buffer compression spring is uniformly arranged on the second rotating shaft, the plurality of edges are uniformly arranged on the third rotating shaft, the third buffer compression spring is uniformly arranged on the fourth rotating shaft, and the fourth buffer compression spring is uniformly arranged on the fourth rotating shaft.

the pressing device comprises a plurality of upper pressing springs which are supported between the bottom wall of the lower groove and the top wall of the abutting block in a balanced mode, a plurality of first side pressing springs which are supported between the side wall of the first lower groove and the side wall of the first abutting block in a balanced mode, a plurality of second side pressing springs which are supported between the side wall of the second lower groove and the side wall of the second abutting block in a balanced mode, a plurality of third side pressing springs which are supported between the side wall of the third lower groove and the side wall of the third abutting block in a balanced mode, and a plurality of fourth side pressing springs which are supported between the side wall of the fourth lower groove and the side wall of the fourth abutting block in a balanced mode.

the four bottom edges of the abutting positioning bulge are respectively parallel to the first bottom edge, the second bottom edge, the third bottom edge and the fourth bottom edge of the side wall of the first abutting block, the side wall of the second abutting block, the side wall of the third abutting block and the side wall of the fourth abutting block; the abutting positioning bulge is provided with a first exhaust groove extending from a tip to the middle point of the first bottom edge, a second exhaust groove extending from the tip to the middle point of the second bottom edge, a third exhaust groove extending from the tip to the middle point of the third bottom edge, and a fourth exhaust groove extending from the tip to the middle point of the fourth bottom edge.

After the technical scheme is adopted, the new energy electric vehicle with the power source convenient to replace breaks through the power supply mode of the traditional electric vehicle, the electric quantity detector detects the electric quantity of the primary power battery and sends a detection signal to the controller, when the electric quantity of the primary power battery is about to be exhausted, the controller controls the first control switch to be opened and the second control switch to be closed, the standby power battery is started, and the electric vehicle recovers sufficient electric power again; or the controller controls the first control switch to be opened, the second control switch to be closed and the third control switch to be closed, and the standby power battery starts to supply power to the electric automobile and simultaneously charges the prime power battery; or the controller only controls the third control switch to be closed to charge the motive power battery, and meanwhile, the motive power battery supplies power to the electric automobile, and all the modes can be selected and operated by a driver according to actual conditions. In the practical use process, the loading device can carry out safety protection bearing on the standby power battery, and the standby power battery can be flexibly disassembled and assembled, specifically, when the standby power battery needs to be loaded into the bearing device, the loading cover body is firstly opened, the standby power battery is properly placed among the first side buffer device, the second side buffer device, the third side buffer device and the fourth side buffer device, the lower end of the standby power battery is contacted with the first resin smooth layer on the first elastic contact surface, the second resin smooth layer on the second elastic contact surface, the third resin smooth layer on the third elastic contact surface and the fourth resin smooth layer on the fourth elastic contact surface, the loading cover body is overturned to be gradually closed, the abutting positioning bulge of the lower abutting device is corresponding to the abutting positioning groove of the standby power battery, the loading cover body is gradually pressed downwards, and the abutting positioning bulge is matched with the abutting positioning groove, meanwhile, the first side pressure spring, the second side pressure spring, the third side pressure spring and the fourth side pressure spring of the multidirectional buffering device are utilized to adapt and elastically correct the downward abutting device, the standby power battery is positioned and guided in the downward movement process of the standby power battery, the standby power battery moves downwards along the arc-shaped and inclined smooth layers along the same trend, meanwhile, the first elastic layer, the second elastic layer, the third elastic layer and the fourth elastic layer are gradually pressed, the first elastic layer, the second elastic layer, the third elastic layer and the fourth elastic layer jointly and gradually elastically clamp the standby power battery, and meanwhile, the first buffering part, the second buffering part, the third buffering part and the fourth buffering part respectively depend on the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft to gradually turn downwards and push the first cylindrical part, the second cylindrical part, the third cylindrical part and the fourth cylindrical part to the first accommodating groove, the second accommodating groove and the fourth accommodating groove of the first base body respectively, The first cylindrical part, the second cylindrical part, the third cylindrical part and the fourth cylindrical part are guided by respectively utilizing the first annular bulge to be matched with the first upper chute and the first lower chute, the second annular bulge to be matched with the second upper chute and the second lower chute, the third annular bulge to be matched with the third upper chute and the third lower chute and the fourth annular bulge to be matched with the fourth upper chute and the fourth lower chute in the sliding process, so that the first cylindrical part, the second cylindrical part, the third cylindrical part and the fourth cylindrical part cannot deflect in a horizontal plane in the sliding process, and the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft respectively utilize the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod to freely swing up and down to respectively adapt to the first strip-shaped hole, the second cylindrical part, the third cylindrical part and the fourth cylindrical part, The first, second, third and fourth buffer springs are compressed by the first, second, third and fourth rotating shafts sliding in the first, second, third and fourth bar holes, respectively, so as to gradually increase the elastic clamping force of the first, second, third and fourth buffer members on the backup power battery, and when the lower end of the backup power battery is abutted against the first, second, third and fourth bearing surfaces, the elastic clamping force of the first, second, third and fourth buffer members on the backup power battery is stronger as the first, second, third and fourth buffer members are turned over more downwards, the first buffer component, the second buffer component, the third buffer component and the fourth buffer component all have a tendency of going to turn upwards, the first buffer component, the second buffer component, the third buffer component and the fourth buffer component naturally utilize the first bearing surface, the second bearing surface, the third bearing surface and the fourth bearing surface to generate upward elastic bearing force on the standby power battery, the upper pressure spring generates downward elastic downward pressure on the standby power battery, until the loading cover body is closed on the loading main body and is buckled with the third seat body, the first strip-shaped hole, the second strip-shaped hole, the third strip-shaped hole and the fourth strip-shaped hole are all positioned in the same horizontal plane with the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the forces in all directions borne by the standby power battery reach balance, and the first state retaining tension spring, the second state retaining tension spring, the third state retaining tension spring and the fourth state retaining tension spring respectively correspond to the first buffer component, the second buffer component, the third state retaining tension spring and the fourth state retaining tension spring, The second buffer component, the third buffer component and the fourth buffer component have a pretightening force for pulling downwards, so that the standby power battery is kept in a balanced state, and the situation that the standby power battery jumps upwards when the loading cover body is opened is avoided. When the electric automobile generates horizontal vibration towards the first side buffer device, the standby power battery can extrude the first elastic layer, so that the whole first buffer component is pushed to move towards the first accommodating groove along the first upper groove and the first lower groove, the first cylindrical part is ensured not to deflect in the horizontal plane in the sliding process, and the first buffer spring is compressed under the support of the first connecting rod and the first rotating shaft, so that the standby power battery is buffered, and meanwhile, the abutting positioning groove and the abutting positioning protrusion are matched to drive the downward pressing abutting block to compress the first side pressure spring for auxiliary buffering; when the electric automobile vibrates in the horizontal direction towards the second side buffer device, the standby power battery can extrude the second elastic layer, so that the whole second buffer component is pushed to move towards the second accommodating groove along the second upper groove and the second lower groove, the second cylindrical part is ensured not to deflect in the horizontal plane in the sliding process, and the second buffer spring is compressed under the support of the second connecting rod and the second rotating shaft, so that the buffering of the standby power battery is realized, and meanwhile, the abutting positioning groove and the abutting positioning bulge are matched to drive the downward pressing abutting block to compress the second side pressure spring for auxiliary buffering; when the electric automobile vibrates in the horizontal direction towards the third side buffer device, the standby power battery can extrude the third elastic layer, so that the whole third buffer component is pushed to move towards the third accommodating groove along the third upper groove and the third lower groove, the third cylindrical part is ensured not to deflect in the horizontal plane in the sliding process, and the third buffer spring is compressed under the support of the third connecting rod and the third rotating shaft, so that the buffer of the standby power battery is realized, and meanwhile, the abutting positioning groove and the abutting positioning bulge are matched to drive the downward pressing abutting block to compress the third side pressure spring for auxiliary buffer; when the electric automobile vibrates in the horizontal direction towards the fourth side buffering device, the standby power battery can extrude the fourth elastic layer, and then the whole fourth buffering component is pushed to move towards the fourth accommodating groove along the fourth upper groove and the fourth lower groove, so that the fourth cylindrical part is ensured not to deflect in the horizontal plane in the sliding process, and then the fourth buffering spring is compressed under the support of the fourth connecting rod and the fourth rotating shaft, so that the standby power battery is buffered, and meanwhile, the abutting positioning groove and the abutting positioning protrusion are matched to drive the pressing abutting block to compress the pressure spring on the fourth side for auxiliary buffering. When the electric automobile generates downward vibration, the standby power battery presses the first bearing surface, the second bearing surface, the third bearing surface and the fourth bearing surface, the first buffer component, the second buffer component, the third buffer component and the fourth buffer component are overturned downwards, the elastic clamping force of the first buffer component, the second buffer component, the third buffer component and the fourth buffer component on the standby power battery is stronger, so that the first buffer component, the second buffer component, the third buffer component and the fourth buffer component have the tendency of overturning upwards, and the first buffer component, the second buffer component, the third buffer component and the fourth buffer component naturally utilize the first bearing surface, the second bearing surface, the third bearing surface and the fourth bearing surface to generate upward elastic bearing force on the standby power battery, so that the downward vibration of the standby power battery is buffered; when the electric automobile generates upward vibration, the upper end of the standby power battery is upwards propped against the lower pressing and propping block to compress the lower pressure spring, so that the upward vibration of the standby power battery is buffered. When the standby power battery needs to be replaced, the loading cover body is opened, the first state retaining tension spring, the second state retaining tension spring, the third state retaining tension spring and the fourth state retaining tension spring are retained, the standby power battery cannot jump out, safety and reliability are realized, the first lower surface, the second lower surface, the third lower surface and the fourth lower surface of the first buffering component, the second buffering component, the third buffering component and the fourth buffering component can be upwards abutted through operating the abutting device, the first buffering component, the second buffering component, the third buffering component and the fourth buffering component are upwards overturned, the standby power battery ascends, the standby power battery is directly pulled out from the space among the first side buffering device, the second side buffering device, the third side buffering device and the fourth side buffering device, and when the standby power battery is pulled out, the first buffering component, the second buffering component and the fourth buffering device can be driven, The third buffer component and the fourth buffer component are turned upwards and are clamped at the upper edges of the first containing groove, the second containing groove, the third containing groove and the fourth containing groove respectively, meanwhile, the first state retaining tension spring, the second state retaining tension spring, the third state retaining tension spring and the fourth state retaining tension spring respectively cross the axes of the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft from the lower part, so that the first buffer component, the second buffer component, the third buffer component and the fourth buffer component are respectively subjected to upward pulling pretightening force, the first buffer component, the second buffer component, the third buffer component and the fourth buffer component are kept in an upwards turned state, and the standby power battery with sufficient electric quantity can be conveniently reinstalled. Compared with the prior art, the new energy electric vehicle with the conveniently replaced power source can buffer the vibration of the standby power battery in all directions, is comprehensive and effective in safety protection, ensures that the standby power battery is not impacted and damaged, and is flexible and convenient to disassemble and assemble, durable in power and high in practicability.

Drawings

FIG. 1 is a schematic view, partly in section, of a first angle of the present invention;

FIG. 2 is a schematic view of a second angle of the present invention in partial cross-section;

FIG. 3 is a partial sectional structural view of the present invention in use;

FIG. 4 is a schematic top view of a portion of the present invention;

FIG. 5 is a schematic bottom view of the positioning protrusion;

FIG. 6 is a partial circuit schematic of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

the new energy electric vehicle with a power source convenient to replace, disclosed by the invention, as shown in figures 1-6, comprises a vehicle main body (not shown in the figures), wherein the vehicle main body is provided with a controller (not shown in the figures), a motive power battery 1 and an electric quantity detector (not shown in the figures) for detecting the electric quantity of the motive power battery 1;

The invention also comprises a replaceable standby power battery 2 and a loading device 3 for loading the standby power battery 2;

the backup power battery 2 is connected with the motive power battery 1 in parallel, the motive power battery 1 is provided with a first control switch 11 controlled by the controller, and the backup power battery 2 is provided with a second control switch 21 controlled by the controller; the circuit where the primary power battery 1 is located is a first branch 12, the circuit where the standby power battery 2 is located is a second branch 22, the first branch 12 and the second branch 22 are provided with a first node 10 at one end and a second node 20 at the other end, the first control switch 11 is arranged on the first branch 12 and close to the first node 10, and the second control switch 21 is arranged on the second branch 22 and close to the first node 10; a third branch 30 is connected between the first branch 12 and the second branch 22, and a third control switch 301 controlled by the controller is arranged on the third branch 30; the third branch 30 has a third node 302 connected to the first branch 12 and a fourth node 303 connected to the second branch 22, the third node 302 being between the primary power battery 1 and the first control switch 11, the fourth node 303 being between the backup power battery 2 and the second control switch 21;

the loading device 3 includes a loading body at the lower side and a loading lid 31 at the upper side; the standby power battery 2 is cuboid and is provided with an upward battery upper side face, a downward battery lower side face, and a battery first side face, a battery second side face, a battery third side face and a battery fourth side face which are adjacent in sequence in the lateral direction; the loading main body comprises a first side buffer device 32, a second side buffer device 33, a third side buffer device 34 and a fourth side buffer device 35 which respectively correspond to the first side of the battery, the second side of the battery, the third side of the battery and the fourth side of the battery;

The first side buffering device 32 includes a first seat 321 and a first buffering component 322 disposed on the first seat 321 and elastically pushing against the first side of the battery; the first buffer part 322 includes a first cylindrical portion 3221 horizontally disposed and parallel to the first side surface of the battery, a first supporting portion 3222 formed on the first cylindrical portion 3221 and extending along the first cylindrical portion 3221 and supporting under the backup power battery 2, and a first abutting portion 3223 formed on the first cylindrical portion 3221 and extending along the first cylindrical portion 3221 and opposing the first side surface of the battery; on the cross section of the first buffering component 322, the central angle degree corresponding to the first cylindrical portion 3221 is greater than the central angle degree corresponding to the first supporting portion 3222 and the first abutting portion 3223; the first seat 321 is formed with a first accommodating groove 3211 facing the first side surface of the battery and accommodating the first cylindrical portion 3221, the first accommodating groove 3211 has a first upper inner side surface 32111 at the upper side, a first lower inner side surface 32112 at the lower side, and a first groove bottom surface 32113 at the groove bottom parallel to the first side surface of the battery; the distance between the first upper inner side surface 32111 and the first lower inner side surface 32112 is equal to the diameter of the first cylindrical portion 3221, which ensures that the first cylindrical portion 3221 is accommodated between the first upper inner side surface 32111 and the first lower inner side surface 32112; the first cylindrical portion 3221 is provided with a first rotating shaft 32211, an axis of the first rotating shaft 32211 is located in a plane of an upper edge and a lower edge of the first accommodating groove 3211, and the first cylindrical portion 3221 has a first upper protruding arc-shaped portion 32212 protruding outside the upper edge of the first accommodating groove 3211 and a first lower protruding arc-shaped portion 32213 protruding outside the lower edge of the first accommodating groove 3211; the first rotating shaft 32211 is connected with the first groove bottom surface 32113 through a horizontally arranged first connecting rod 32214, and the first connecting rod 32214 is pivoted with the first groove bottom surface 32113 together to be capable of turning up and down; the first abutting portion 3223 has a first abutting surface 32231 corresponding to the first side surface of the battery and a first upper limiting surface 32232 corresponding to the upper edge of the first accommodating groove 3211, the lower end of the first upper limiting surface 32232 being connected to the first upper protruding arc portion 32212, a first upper gap included angle is formed between the first upper limiting surface 32232 and the upper edge of the first accommodating groove 3211, when the first buffer member 322 is turned over upward, the first upper limiting surface 32232 is clamped at the upper edge of the first accommodating groove 3211, and the first abutting surface 32231 is provided with a first elastic layer 32233 which elastically abuts against the first side surface of the battery and gradually becomes thicker from bottom to top; the first elastic layer 32233 is connected to the first abutting surface 32231 only, and is in sliding contact with the first supporting portion 3222, which can ensure that the first elastic layer 32233 is arbitrarily deformed in the layer thickness direction; the first elastic layer 32233 has a first elastic contact surface a1 facing the first side surface of the battery, the first elastic contact surface a1 includes a first vertical contact surface a11 parallel to the first side surface of the battery at the lower part and a first arc contact surface a12 smoothly connected above the first lower contact surface and gradually bent from bottom to top towards the first seat body 321, and the first elastic contact surface a1 is covered with a first resin smooth layer a13, so that the sliding performance of the backup power battery 2 relative to the first resin smooth layer a13 can be ensured, and the backup power battery 2 can slide relative to the first resin smooth layer a13 in all directions; the first supporting portion 3222 has a first supporting surface 32221 corresponding to the lower side surface of the battery and connected to the lower end of the first supporting surface 32231, a downward first lower surface 32222, and a first lower position-limiting surface 32223 corresponding to the lower edge of the first accommodating groove 3211 and having an upper end connected to the first lower protruding arc-shaped portion 32213, wherein a first lower clearance included angle is formed between the first lower position-limiting surface 32223 and the lower edge of the first accommodating groove 3211, and when the first buffering member 322 is turned over upward, the first upper position-limiting surface 32232 is clamped to the upper edge of the first accommodating groove 3211; the first cylindrical portion 3221 is formed with a first strip-shaped hole 32215 for accommodating the first rotating shaft 32211, the first strip-shaped hole 32215 is horizontally disposed, the first strip-shaped hole 32215 has a first distal shaft end b11 facing the first side surface of the battery and a first proximal shaft end b12 facing the first accommodating groove 3211, the first proximal shaft end b12 is in a circular arc shape matching the circumferential surface of the first rotating shaft 32211, and an axis of the first proximal shaft end b12 is identical to an axis of the first cylindrical portion 3221, which ensures that the first rotating shaft 32211 can move freely to both sides even when the first cylindrical portion 3221 has moved outward by a maximum distance without falling out of the first accommodating groove 3211, and a distance from the first distal shaft end b11 to the first proximal shaft end b12 of the circular arc shape is greater than a distance from the first distal shaft end b11 to the axis of the first rotating shaft 32211, which ensures that the first rotating shaft 32211 can move freely to both sides, and a first buffer compression spring 13 is disposed between the first distal shaft end 32211 and the first distal shaft; a plurality of first upper sliding grooves c1 parallel to the first connecting rod 32214 are formed on the first upper inner side surface 32111, a plurality of first lower sliding grooves d1 parallel to the first connecting rod 32214 are formed on the first lower inner side surface 32112, a plurality of first annular protrusions 32216 perpendicular to the axis of the first cylindrical portion 3221 and sliding in cooperation with the first upper sliding grooves c1 and the first lower sliding grooves d1 are formed on the circumferential surface of the first cylindrical portion 3221, and the first annular protrusions 32216 slide along the first upper sliding grooves c1 and the first lower sliding grooves d1 to guide the first cylindrical portion 3221; the first buffer member 322 is provided with a first state maintaining tension spring 3224 configured to maintain the first buffer member 322 in an inverted state, the first state maintaining tension spring 3224 has a first tension spring upper end connected to the first buffer member 322 and a first tension spring lower end connected to the lower portion of the first seat 321, the first buffer member 322 is provided with a first upper connecting portion connected to the first tension spring upper end, and the first seat 321 is provided with a first lower connecting portion connected to the first tension spring upper end; a connecting line between the first lower connecting portion and the center of the first rotating shaft 32211 is defined as a first connecting line, a connecting line between the center of the first rotating shaft 32211 and the first upper connecting portion is defined as a second connecting line, an upper extension line of the first connecting line is located above an upper extension line of the second connecting line, and an included angle between the upper extension line of the first connecting line and the upper extension line of the second connecting line is half of an included angle of the first upper gap, when the first buffering member 322 swings downwards so that the first state maintaining tension spring 3224 is lower than the first rotating shaft 32211, the first state maintaining tension spring 3224 generates a downward tension on the first buffering member 322, and when the first buffering member 322 swings upwards so that the first state maintaining tension spring 3224 is higher than the first rotating shaft 32211, the first state maintaining tension spring 3224 generates an upward tension on the first buffering member 322;

the second side buffering device 33 includes a second base 331 and a second buffering component 332 disposed on the second base 331 and elastically abutting against the second side of the battery; the second buffer member 332 includes a second cylindrical portion 3321 horizontally disposed and parallel to the second side surface of the battery, a second supporting portion 3322 formed on the second cylindrical portion 3321 and extending along the second cylindrical portion 3321 and supporting under the backup power battery 2, and a second abutting portion 3323 formed on the second cylindrical portion 3321 and extending along the second cylindrical portion 3321 and opposite to the second side surface of the battery; on the cross section of the second buffer component 332, the central angle degree corresponding to the second cylindrical portion 3321 is greater than the central angle degree corresponding to the second supporting portion 3322 and the second abutting portion 3323; the second seat 331 is formed with a second receiving groove 3311 facing the second side surface of the battery and receiving the second cylindrical portion 3321, the second receiving groove 3311 having a second upper inner side surface 33111 at an upper side, a second lower inner side surface 33112 at a lower side, and a second groove bottom surface 33113 at a groove bottom parallel to the second side surface of the battery; the distance between the upper inner side surface 33111 and the lower inner side surface 33112 is equal to the diameter of the second cylindrical portion 3321, which ensures that the second cylindrical portion 3321 is accommodated between the upper inner side surface 33111 and the lower inner side surface 33112; the second cylindrical portion 3321 is provided with a second rotating shaft 33211, the axis of the second rotating shaft 33211 is located in the plane of the upper edge and the lower edge of the second receiving slot 3311, the second cylindrical portion 3321 has a second upper protruding arc 33212 protruding outside the upper edge of the second receiving slot 3311 and a second lower protruding arc 33213 protruding outside the lower edge of the second receiving slot 3311; the second rotating shaft 33211 is connected with the second slot bottom surface 33113 through a second connecting rod 33214 which is horizontally arranged, and the second connecting rod 33214 is pivoted with the second slot bottom surface 33113 and can be turned over up and down; the second abutting portion 3323 has a second abutting surface 33231 corresponding to the second side surface of the battery and a second upper limiting surface 33232 corresponding to the upper edge of the second containing groove 3311, and the lower end of the second upper limiting surface 33232 is connected to the second upper protruding arc-shaped portion 33212, a second upper gap included angle is formed between the second upper limiting surface 33232 and the upper edge of the second containing groove 3311, when the second buffer member 332 is turned upwards, the second upper limiting surface 33232 is clamped at the upper edge of the second containing groove 3311, and the second abutting surface 33231 is provided with a second elastic layer 33233 which elastically abuts against the second side surface of the battery and gradually becomes thicker from bottom to top; the second elastic layer 33233 is connected to the second abutting surface 33231 only and is in sliding contact with the second supporting portion 3322, which can ensure that the second elastic layer 33233 can deform arbitrarily in the layer thickness direction; the second elastic layer 33233 is provided with a second elastic contact surface a2 facing the second side surface of the battery, the second elastic contact surface a2 comprises a second vertical contact surface a21 at the lower part parallel to the second side surface of the battery and a second arc contact surface a22 smoothly connected above the second lower contact surface and gradually bent from bottom to top towards the second seat 331, and the second elastic contact surface a2 is covered with a second resin smooth layer a23, so that the sliding performance of the standby power battery 2 relative to the second resin smooth layer a23 can be ensured, and the standby power battery 2 can slide relative to the second resin smooth layer a23 in all directions; the second supporting portion 3322 has a second supporting surface 33221 corresponding to the lower side of the battery and connected to the lower end of the second supporting surface 33231, a second lower surface 33222 facing downward, and a second lower limiting surface 33223 corresponding to the lower edge of the second containing groove 3311 and connected to the second lower protruding arc-shaped portion 33213 at the upper end thereof, wherein a second lower clearance included angle is formed between the second lower limiting surface 33223 and the lower edge of the second containing groove 3311, and when the second cushion member 332 is turned over upward, the second upper limiting surface 33232 is clamped to the upper edge of the second containing groove 3311; the second cylindrical portion 3321 is formed with a second bar-shaped hole 33215 for receiving the second rotating shaft 33211, the second bar-shaped hole 33215 is horizontally disposed, the second bar-shaped hole 33215 has a second distal shaft end b21 facing the second side surface of the battery and a second proximal shaft end b22 facing the second receiving groove 3311, the second proximal shaft end b22 is circular arc-shaped matching the circumferential surface of the second rotating shaft 33211 and the axis of the second proximal shaft end b22 is the same as the axis of the second cylindrical portion 3321, which ensures that the second rotating shaft 33211 cannot fall out of the second receiving groove 1 even when the second cylindrical portion 3321 has moved outward by the maximum distance, the distance from the second distal shaft end b21 to the axis of the circular arc-shaped second proximal shaft end b22 is greater than the distance from the second distal shaft end b21 to the axis of the second rotating shaft 33211, which ensures that the second rotating shaft 33211 can move freely to both sides, and a second buffer compression spring 33125 is stretched between the second rotating shaft end 33211 and the second distal shaft 3316; the second upper inner surface 33111 has a plurality of second upper slide grooves c2 parallel to the second connecting rod 33214, the second lower inner surface 33112 has a plurality of second lower slide grooves d2 parallel to the second connecting rod 33214, the circumferential surface of the second cylindrical portion 3321 has a plurality of second annular protrusions 33216 perpendicular to the axis of the second cylindrical portion 3321 and sliding in cooperation with the second upper slide grooves c2 and the second lower slide grooves d2, and the second annular protrusions 33216 slide along the second upper slide grooves c2 and the second lower slide grooves d2 to guide the second cylindrical portion 3321; the second buffer member 332 is provided with a second state maintaining tension spring 3324 for maintaining the reversed state of the second buffer member 332, the second state maintaining tension spring 3324 has a second tension spring upper end connected to the second buffer member 332 and a second tension spring lower end connected to the lower portion of the second seat body 331, the second buffer member 332 is provided with a second upper connecting portion connected to the second tension spring upper end, and the second seat body 331 is provided with a second lower connecting portion connected to the second tension spring upper end; a connecting line between the center of the second lower connecting portion and the center of the second rotating shaft 33211 is defined as a third connecting line, a connecting line between the center of the second rotating shaft 33211 and the center of the second upper connecting portion is defined as a fourth connecting line, an upper extension line of the third connecting line is positioned above an upper extension line of the fourth connecting line, an included angle degree between the upper extension line of the third connecting line and the upper extension line of the fourth connecting line is half of an included angle degree of a second upper gap, when the second buffer component 332 swings downwards so that the second state maintaining tension spring 3324 is lower than the second rotating shaft 33211, the second state maintaining tension spring 3324 generates a downward tension on the second buffer component 332, and when the second buffer component 332 swings upwards so that the second state maintaining tension spring 3324 is higher than the second rotating shaft 33211, the second state maintaining tension spring 3324 generates an upward tension on the second buffer component 332;

The third side buffering device 34 includes a third base 341 and a third buffering component 342 disposed on the third base 341 and elastically pushing against the third side of the battery; the third buffer member 342 includes a third pillar portion horizontally disposed and parallel to the third side surface of the battery, a third supporting portion 3422 formed on the third cylindrical portion 3421 and extending along the third cylindrical portion 3421 and supporting under the backup power battery 2, and a third abutting portion 3423 formed on the third cylindrical portion 3421 and extending along the third cylindrical portion 3421 and opposing to the third side surface of the battery; on the cross section of the third buffer component 342, the central angle degree corresponding to the third cylindrical portion 3421 is greater than the central angle degree corresponding to the third supporting portion 3422 and the third abutting portion 3423; the third seat 341 is formed with a third accommodation groove 3411 facing the third side surface of the battery and accommodating the third cylindrical portion 3421, the third accommodation groove 3411 has a third upper inner side surface 34111 on the upper side, a third lower inner side surface 34112 on the lower side, and a third groove bottom surface 34113 on the groove bottom parallel to the third side surface of the battery; the distance from the third upper inner side surface 34111 to the third lower inner side surface 34112 is equal to the diameter of the third cylindrical portion 3421, which ensures that the third cylindrical portion 3421 is fittingly received between the third upper inner side surface 34111 and the third lower inner side surface 34112; the third cylindrical portion 3421 is provided with a third rotating shaft 34211, the axis of the third rotating shaft 34211 is located in the plane of the upper edge and the lower edge of the third receiving groove 3411, and the third cylindrical portion 3421 has a third upper protruding arc-shaped portion 34212 protruding outside the upper edge of the third receiving groove 3411 and a third lower protruding arc-shaped portion 34213 protruding outside the lower edge of the third receiving groove 3411; the third rotating shaft 34211 is connected to the third groove bottom 34113 by a horizontally disposed third connecting rod 34214, and the third connecting rod 34214 is pivoted to the third groove bottom 34113 and can be turned over; the third abutting portion 3423 has a third abutting surface 34231 corresponding to the third side surface of the battery and a third upper limiting surface 34232 corresponding to the upper edge of the third accommodating groove 3411 and having a lower end connected to the third upper protruding arc-shaped portion 34212, a third upper gap included angle is formed between the third upper limiting surface 34232 and the upper edge of the third accommodating groove 3411, when the third buffer component 342 is turned upwards, the third upper limiting surface 34232 is clamped at the upper edge of the third accommodating groove 3411, and the third abutting surface 34231 is provided with a third elastic layer 34233 elastically abutting against the third side surface of the battery and gradually becoming thicker from bottom to top; the third elastic layer 34233 is connected to the third abutting surface 34231 only, and is in sliding contact with the third supporting portion 3422, which can ensure the third elastic layer 34233 to deform arbitrarily in the layer thickness direction; the third elastic layer 34233 is provided with a third elastic contact surface a3 facing the third side surface of the battery, the third elastic contact surface a3 comprises a third vertical contact surface a31 at the lower part parallel to the third side surface of the battery and a third arc-shaped contact surface a32 smoothly connected to the upper part of the third lower contact surface and gradually bent from bottom to top towards the third seat 341, and the third elastic contact surface a3 is covered with a third resin smooth layer a33, so that the sliding performance of the backup power battery 2 relative to the third resin smooth layer a33 can be ensured, and the backup power battery 2 can conveniently slide in all directions relative to the third resin smooth layer a 33; the third supporting part 3422 has a third supporting surface 34221 corresponding to the lower side of the battery and connected to the lower end of the third abutting surface 34231, a downward third lower surface 34222, and a third lower limiting surface 34223 corresponding to the lower edge of the third accommodating groove 3411 and connected to the third lower protruding arc 34213 at the upper end, a third lower clearance angle is formed between the third lower limiting surface 34223 and the lower edge of the third accommodating groove 3411, and when the third buffering part 342 is turned upward, the third upper limiting surface 34232 is clamped at the upper edge of the third accommodating groove 3411; the third cylindrical portion 3421 is formed with a third strip-shaped hole 34215 for accommodating the third rotating shaft 34211, the third strip-shaped hole 34215 is horizontally disposed, the third strip-shaped hole 34215 has a third distal shaft end b31 facing the third side surface of the battery and a third proximal shaft end b32 facing the third accommodating groove 3411, the third proximal shaft end b32 is in the shape of a circular arc matched with the circumferential surface of the third rotating shaft 34211 and the axis of the third proximal shaft end b32 is the same as the axis of the third cylindrical portion 3421, this structure can ensure that the third rotating shaft 34211 can move freely to both sides even when the third cylindrical portion 3421 has moved outward by the maximum distance, the distance from the third distal shaft end b31 to the axis of the third proximal shaft end b32 is greater than the distance from the third distal shaft end b31 to the axis of the third rotating shaft 34211, and a third buffer compression spring b33 is stretched between the third rotating shaft 34211 and the third distal shaft end b 31; a plurality of third upper slide grooves c3 parallel to the third connecting rods 34214 are formed on the third upper inner side surface 34111, a plurality of third lower slide grooves d3 parallel to the third connecting rods 34214 are formed on the third lower inner side surface 34112, a plurality of third annular protrusions 34216 perpendicular to the axis of the third cylindrical portion 3421 and sliding in cooperation with the third upper slide grooves c3 and the third lower slide grooves d3 are formed on the peripheral surface of the third cylindrical portion 3421, and the third annular protrusions 34216 slide along the third upper slide grooves c3 and the third lower slide grooves d3 to guide the third cylindrical portion 3421; a third state maintaining tension spring 3424 for maintaining the reversed state of the third buffer member 342 is disposed on the third buffer member 342, the third state maintaining tension spring 3424 has a third tension spring upper end connected to the third buffer member 342 and a third tension spring lower end connected to the lower portion of the third seat 341, the third buffer member 342 has a third upper connecting portion connected to the third tension spring upper end, and the third seat 341 has a third lower connecting portion connected to the third tension spring upper end; a connecting line between the center of the third lower connecting portion and the center of the third rotating shaft 34211 is defined as a fifth connecting line, a connecting line between the center of the third rotating shaft 34211 and the center of the third upper connecting portion is defined as a sixth connecting line, an upper extension line of the fifth connecting line is positioned above an upper extension line of the sixth connecting line, an included angle degree between the upper extension line of the fifth connecting line and the upper extension line of the sixth connecting line is half of an included angle degree of a third upper gap, when the third buffering member 342 swings downwards so that the third state maintaining tension spring 3424 is lower than the third rotating shaft 34211, the third state maintaining tension spring 3424 generates a downward tension on the third buffering member 342, and when the third buffering member 342 swings upwards so that the third state maintaining tension spring 3424 is higher than the third rotating shaft 34211, the third state maintaining tension spring 3424 generates an upward tension on the third buffering member 342;

The fourth side buffering device 35 includes a fourth seat 351 and a fourth buffering component 352 disposed on the fourth seat 351 and elastically pushing against the fourth side of the battery; the fourth cushioning member 352 includes a fourth pillar portion horizontally disposed and parallel to the fourth side surface of the battery, a fourth supporting portion 3522 formed on the fourth cylindrical portion 3521 and extending along the fourth cylindrical portion 3521 and supported below the auxiliary power battery 2, and a fourth abutting portion 3523 formed on the fourth cylindrical portion 3521 and extending along the fourth cylindrical portion 3521 and opposing the fourth side surface of the battery; on the cross section of the fourth buffering component 352, the central angle degree corresponding to the fourth cylindrical portion 3521 is greater than the central angle degree corresponding to the fourth supporting portion 3522 and the fourth abutting portion 3523; the fourth seat 351 is formed with a fourth receiving groove 3511 facing the fourth side of the battery and receiving the fourth cylindrical portion 3521, the fourth receiving groove 3511 has a fourth upper inner side 35111 at the upper side, a fourth lower inner side 35112 at the lower side, and a fourth groove bottom 35113 at the bottom of the groove parallel to the fourth side of the battery; the distance from the fourth upper inner side surface 35111 to the fourth lower inner side surface 35112 is equal to the diameter of the fourth cylindrical portion 3521, which ensures that the fourth cylindrical portion 3521 is fittingly received between the fourth upper inner side surface 35111 and the fourth lower inner side surface 35112; the fourth cylindrical portion 3521 is provided with a fourth rotating shaft 35211, an axis of the fourth rotating shaft 35211 is positioned in a plane where an upper edge and a lower edge of the fourth accommodating groove 3511 are positioned, and the fourth cylindrical portion 3521 has a fourth upper protruding arc 35212 protruding outside the upper edge of the fourth accommodating groove 3511 and a fourth lower protruding arc 35213 protruding outside the lower edge of the fourth accommodating groove 3511; the fourth rotating shaft 35211 is connected with the fourth groove bottom surface 35113 through a horizontally arranged fourth connecting rod 35214, and the fourth connecting rod 35214 and the fourth groove bottom surface 35113 are pivoted together and can be turned over up and down; the fourth abutting portion 3523 has a fourth abutting top surface 35231 corresponding to the fourth side surface of the battery and a fourth upper limiting surface 35232 corresponding to the upper edge of the fourth accommodating groove 3511 and having a lower end connected to the fourth upper protruding arc-shaped portion 35212, a fourth upper gap included angle is formed between the fourth upper limiting surface 35232 and the upper edge of the fourth accommodating groove 3511, when the fourth buffer member 352 is turned upwards, the fourth upper limiting surface 35232 is clamped at the upper edge of the fourth accommodating groove 3511, and the fourth abutting top surface 35231 is provided with a fourth elastic layer 35233 which elastically abuts against the fourth side surface of the battery and gradually becomes thicker from bottom to top; the fourth elastic layer 35233 is connected to the fourth abutting surface 35231 only, and is in sliding contact with the fourth supporting portion 3522, so that the structure can ensure that the fourth elastic layer 35233 deforms arbitrarily in the layer thickness direction; the fourth elastic layer 35233 has a fourth elastic contact surface a4 facing the fourth side of the battery, the fourth elastic contact surface a4 includes a fourth vertical contact surface a41 at the lower part parallel to the fourth side of the battery and a fourth arc contact surface a42 smoothly connected above the fourth lower contact surface and gradually bending from bottom to top towards the fourth seat 351, and the fourth elastic contact surface a4 is covered with a fourth resin smooth layer a43, so that the sliding performance of the backup power battery 2 relative to the fourth resin smooth layer a43 can be ensured, and the backup power battery 2 can slide in all directions relative to the fourth resin smooth layer a 43; the fourth supporting portion 3522 has a fourth supporting surface 35221 corresponding to the lower side of the battery and connected to the lower end of the fourth abutting surface 35231, a downward fourth lower surface 35222, and a fourth lower limiting surface 35223 corresponding to the lower edge of the fourth accommodating groove 3511 and connected to the fourth lower protruding arc-shaped portion 35213 at the upper end thereof, wherein a fourth lower clearance included angle is formed between the fourth lower limiting surface 35223 and the lower edge of the fourth accommodating groove 3511, and when the fourth buffering member 352 is turned upward, the fourth upper limiting surface 35232 is clamped to the upper edge of the fourth accommodating groove 3511; the fourth cylindrical portion 3521 is formed with a fourth hole 35215 for receiving the fourth rotating shaft 35211, the fourth hole 35215 is horizontally disposed, the fourth hole 35215 has a fourth distal shaft end b41 facing the fourth side of the battery and a fourth proximal shaft end b42 facing the fourth receiving groove 3511, the fourth proximal shaft end b42 is a circular arc shape matching the circumferential surface of the fourth rotating shaft 35211 and the axis of the fourth proximal shaft end b42 is the same as the axis of the fourth cylindrical portion 3521, which ensures that the fourth rotating shaft 35211 cannot fall out of the fourth receiving groove 3511 even when the fourth cylindrical portion 3521 has moved outward by the maximum distance, the distance from the fourth distal shaft end b41 to the axis of the circular arc-shaped fourth proximal shaft end b42 is greater than the distance from the fourth distal shaft end b41 to the axis of the fourth rotating shaft 35211, which ensures that the fourth rotating shaft 35211 can move freely to both sides, and a fourth buffer compression spring 43 is provided between the fourth rotating shaft 35211 and the fourth distal shaft end 41; a plurality of fourth upper slide grooves c4 parallel to the fourth connecting rod 35214 are formed on the fourth upper inner side surface 35111, a plurality of fourth lower slide grooves d4 parallel to the fourth connecting rod 35214 are formed on the fourth lower inner side surface 35112, a plurality of fourth annular protrusions 35216 which are perpendicular to the axis of the fourth cylindrical portion 3521 and slide with the fourth upper slide grooves c4 and the fourth lower slide grooves d4 are formed on the peripheral surface of the fourth cylindrical portion 3521, and the fourth annular protrusions 35216 slide along the fourth upper slide grooves c4 and the fourth lower slide grooves d4 to guide the fourth cylindrical portion 3521; a fourth state retaining tension spring 3524 for retaining the fourth cushion member 352 in a reversed state is disposed on the fourth cushion member 352, the fourth state retaining tension spring 3524 has a fourth tension spring upper end connected to the fourth cushion member 352 and a fourth tension spring lower end connected to the lower portion of the fourth seat body 351, the fourth cushion member 352 is provided with a fourth upper connecting portion connected to the fourth tension spring upper end, and the fourth seat body 351 is provided with a fourth lower connecting portion connected to the fourth tension spring upper end; a connection line between the center of the fourth lower connection portion and the center of the fourth rotation shaft 35211 is defined as a seventh connection line, a connection line between the center of the fourth rotation shaft 35211 and the center of the fourth upper connection portion is defined as an eighth connection line, an upper extension line of the seventh connection line is positioned above an upper extension line of the eighth connection line, an included angle degree between the upper extension line of the seventh connection line and the upper extension line of the eighth connection line is half of an included angle degree of a fourth upper gap, when the fourth buffering member 352 swings downwards so that the fourth state maintaining tension spring 3524 is lower than the fourth rotation shaft 35211, the fourth state maintaining tension spring 3524 generates a downward tension on the fourth buffering member 352, and when the fourth buffering member 352 swings upwards so that the fourth state maintaining tension spring 3524 is higher than the fourth rotation shaft 35211, the fourth state maintaining tension spring 3524 generates an upward tension on the fourth buffering member 352;

the first bearing surface 32221 has the edge of the first bearing surface 32221 located below the auxiliary power battery 2, the second bearing surface 33221 has the edge of the second bearing surface 33221 located below the auxiliary power battery 2, the third bearing surface 34221 has the edge of the third bearing surface 34221 located below the auxiliary power battery 2, and the fourth bearing surface 35221 has the edge of the fourth bearing surface 35221 located below the auxiliary power battery 2; the distance from the first side surface of the battery to the edge of the first supporting surface 32221 is greater than the maximum distance that the first buffering component 322 slides into the first accommodating groove 3211, the distance from the second side surface of the battery to the edge of the second supporting surface 33221 is greater than the maximum distance that the second buffering component 332 slides into the second accommodating groove 3311, the distance from the third side surface of the battery to the edge of the third supporting surface 34221 is greater than the maximum distance that the third buffering component 342 slides into the third accommodating groove 3411, and the distance from the fourth side surface of the battery to the edge of the fourth supporting surface 35221 is greater than the maximum distance that the fourth buffering component 352 slides into the fourth accommodating groove 3511, so as to ensure that the backup power battery 2 does not separate from the first buffering component 322, the second buffering component 332, the third buffering component 342, and the fourth buffering component 352 when the backup power battery 2 depends on any movement in space among the first buffering component 322, the second buffering component 332, the third buffering component 342, and the fourth buffering component 352, the situation that the buffer fails due to the fact that part of the buffer components are randomly turned upwards is avoided;

The loading lid body 31 includes a lid main body 311, and a downward pressing and abutting device 312 that elastically presses and abuts the top of the backup power battery 2; the cover body 311 has a pivot end pivoted with the top of the first side buffer 32 and capable of being turned over up and down, and a fastening end fastened with the top of the third side buffer 34; a lower groove 3111 for accommodating the lower pressing and abutting device 312 is formed on the lower surface of the cover body 311, and the lower pressing and abutting device 312 includes a lower pressing and abutting block 3121 and a multi-directional buffer 3122 accommodated in the lower groove 3111; the lower groove 3111 is rectangular and has a bottom wall of the lower groove 3111 above and a first side wall of the lower groove 3111, a second side wall of the lower groove 3111, a third side wall of the lower groove 3111 and a fourth side wall of the lower groove 3111, which are parallel to the first side wall of the battery, the second side wall of the battery, the third side wall of the battery and the fourth side wall of the battery, respectively; the lower pressing and propping block 3121 is cuboid, and has a gap with the inner sidewall of the lower groove 3111; the lower pressing and abutting block 3121 has an abutting block top wall corresponding to the bottom wall of the lower groove 3111, an abutting block bottom wall facing the standby power battery 2, and a first abutting block side wall, a second abutting block side wall, a third abutting block side wall and a fourth abutting block side wall respectively corresponding to the first lower groove 3111 side wall, the second lower groove 3111 side wall, the third lower groove 3111 side wall and the fourth lower groove 3111 side wall in sequence; the multidirectional buffering device 3122 includes an upper compression spring stretched between the bottom wall of the lower groove 3111 and the top wall of the abutting block, a first side compression spring 31221 stretched between the side wall of the first lower groove 3111 and the side wall of the first abutting block, a second side compression spring 31222 stretched between the side wall of the second lower groove 3111 and the side wall of the second abutting block, a third side compression spring 31223 stretched between the side wall of the third lower groove 3111 and the side wall of the third abutting block, and a fourth side compression spring 31224 stretched between the side wall of the fourth lower groove 3111 and the side wall of the fourth abutting block; a downward convex regular quadrangular pyramid-shaped abutting positioning bulge 31211 is formed on the bottom wall of the abutting block, an abutting positioning groove matched with the abutting positioning bulge 31211 is formed on the standby power battery 2, and the height of the abutting positioning bulge 31211 is greater than the depth of the abutting positioning groove;

Loading mechanism 3 further includes abutting mechanism 36 disposed below first side bumper 32, second side bumper 33, third side bumper 34, and fourth side bumper 35 and abutting against first lower surface 32222, second lower surface 33222, third lower surface 34222, and fourth lower surface 35222. The invention breaks through the power supply form of the traditional electric automobile, the electric quantity detector detects the electric quantity of the primary power battery 1 and sends a detection signal to the controller, when the electric quantity of the primary power battery 1 is about to be exhausted, the controller controls the first control switch 11 to be opened and the second control switch 21 to be closed, the standby power battery 2 is started, and the electric automobile recovers sufficient electric power again; or the controller controls the first control switch 11 to be opened, the second control switch 21 to be closed and the third control switch 301 to be closed, and the standby power battery 2 starts to supply power to the electric automobile and simultaneously charges the motive power battery 1; or the controller only controls the third control switch 301 to be closed to charge the motive power battery 1, and meanwhile, the motive power battery 1 supplies power to the electric automobile, and all the modes can be selected and operated by a driver according to actual conditions. In the practical use process, the loading device 3 can carry out safety protection bearing on the standby power battery 2, and the standby power battery 2 can be flexibly disassembled and assembled, specifically, when the standby power battery 2 needs to be loaded into the bearing device, the loading cover body 31 is firstly opened, the standby power battery 2 is properly placed among the first side buffer device 32, the second side buffer device 33, the third side buffer device 34 and the fourth side buffer device 35, the lower end of the standby power battery 2 is contacted with the first resin smooth layer a13 on the first elastic contact surface a1, the second resin smooth layer a23 on the second elastic contact surface a2, the third resin smooth layer a33 on the third elastic contact surface a3 and the fourth resin smooth layer a43 on the fourth elastic contact surface a4, the loading cover body is overturned and gradually closed, so that the abutting positioning protrusion 31211 of the lower abutting device 36 corresponds to the abutting positioning groove of the standby power battery 2, the loading cover body is gradually pressed downwards, the abutting positioning bulges 31211 are matched with the abutting positioning grooves, the downward abutting device 36 is adapted and elastically corrected by the first side pressure spring 31221, the second side pressure spring 31222, the third side pressure spring 31223 and the fourth side pressure spring 31224 of the multi-directional buffer device 3122, the standby power battery 2 is positioned and guided during the downward movement of the standby power battery 2, the standby power battery 2 moves downwards along the arc-shaped and inclined smooth layers, the first elastic layer 32233, the second elastic layer 33233, the third elastic layer 34233 and the fourth elastic layer 35233 are gradually pressed, the first elastic layer 32233, the second elastic layer 33233, the third elastic layer 34233 and the fourth elastic layer 35233 jointly and gradually clamp the standby power battery 2, and the first buffer part 322, the second buffer part 332, the third buffer part 352 and the fourth buffer part 352 are respectively and respectively depend on the first rotating shaft 32211, the second rotating shaft 322233, the third elastic layer 34233 233 and the fourth elastic layer 35233 respectively, The second rotating shaft 33211, the third rotating shaft 34211 and the fourth rotating shaft 35211 gradually turn downward and push the first cylindrical portion 3221, the second cylindrical portion 3321, the third cylindrical portion 3421 and the fourth cylindrical portion 3521 to slide into the first receiving groove 3211 of the first seat 321, the second receiving groove 3311 of the second seat 331, the third receiving groove 3411 of the third seat 341 and the fourth receiving groove 3511 of the fourth seat 351, respectively, the first cylindrical portion 3221, the second cylindrical portion 3321, the third cylindrical portion 3421 and the fourth cylindrical portion 3521 respectively cooperate with the first upper sliding groove 389c 1 and the first lower sliding groove d1 through the first annular protrusion 32216, the second annular protrusion 33216 cooperates with the second upper sliding groove c2 and the second lower sliding groove d2, the third annular protrusion 34216 cooperates with the third upper sliding groove 3 and the third lower sliding groove 3 and the fourth annular protrusion 35216 cooperates with the fourth upper sliding groove 4 and the fourth lower sliding groove 3526 d4 to ensure that the first sliding groove 3221 and the second lower sliding groove 3 and the fourth sliding groove 3 and the third sliding groove 3 and the fourth sliding groove 3 d3 and the third sliding groove 3 and the second sliding groove 3 and, The second, third and fourth cylindrical portions 3321, 3421 and 3521 do not deflect in the horizontal plane during sliding, and the first, second, third and fourth rotation shafts 32211, 33211, 34211 and 35211 are freely swung up and down by the first, second, third and fourth connecting rods 32214, 33214, 34214 and 35214 to adapt to any inclination angles of the first, second, third and fourth bar-shaped holes 32215, 33215, 34215 and 35215, respectively, so that the first, second, third and fourth rotation shafts 32211, 33211, 34211 and 35211 can slide in the first, second, third and fourth bar-shaped holes 32215, 33215, 34215 and 35215, respectively, to compress the first, second, third and fourth buffer springs, respectively, thereby gradually strengthening the first, second and fourth buffer members 322, 332 and 35332, When the lower end of the auxiliary power battery 2 abuts against the first supporting surface 32221, the second supporting surface 33221, the third supporting surface 34221 and the fourth supporting surface 35221, the elastic clamping force of the first buffer member 322, the second buffer member 332, the third buffer member 342 and the fourth buffer member 352 on the auxiliary power battery 2 is stronger as the first buffer member 322, the second buffer member 332, the third buffer member 342 and the fourth buffer member 352 are turned downward, so that the first buffer member 322, the second buffer member 332, the third buffer member 342 and the fourth buffer member 352 all tend to be turned upward, and the first buffer member 322, the second buffer member 332, the third buffer member 342 and the fourth buffer member 352 naturally utilize the first supporting surface 32221, the second supporting surface 33221, the third supporting surface 221 and the fourth supporting surface 35221 to generate an upward elastic supporting force on the auxiliary power battery 2, and the upper compression spring generates downward elastic downward pressure on the standby power battery 2 until the loading cover body is closed on the loading main body and is buckled with the third seat body 341, the first strip-shaped hole 32215, the second strip-shaped hole 33215, the third strip-shaped hole 34215 and the fourth strip-shaped hole 35215 are all located in the same horizontal plane as the first connecting rod 32214, the second connecting rod 33214, the third connecting rod 34214 and the fourth connecting rod 35214, forces in all directions borne by the backup power battery 2 are balanced, the first state retaining tension spring 3224, the second state retaining tension spring 3324, the third state retaining tension spring 3424 and the fourth state retaining tension spring 3524 respectively have a pre-tightening force for pulling the first buffer component 322, the second buffer component 332, the third buffer component 342 and the fourth buffer component 352 downwards, so that the backup power battery 2 is kept in a balanced state, and the situation that the backup power battery 2 jumps upwards when the loading cover 31 is opened is avoided. When the electric vehicle vibrates in the horizontal direction towards the first side buffer device 32, the standby power battery 2 can extrude the first elastic layer 32233, and further push the whole first buffer part 322 to move towards the first accommodating groove 3211 along the first upper groove and the first lower groove 3111, so as to ensure that the first cylindrical portion 3221 does not deflect in the horizontal plane in the sliding process, and further compress the first buffer spring under the support of the first connecting rod 32214 and the first rotating shaft 32211, so that the standby power battery 2 is buffered, and meanwhile, the abutting positioning groove and the abutting positioning protrusion 31211 are matched to drive the pressing abutting block 3121 to compress the first side pressure spring 31221 for auxiliary buffering; when the electric vehicle vibrates in the horizontal direction towards the second side buffering device 33, the standby power battery 2 extrudes the second elastic layer 33233, and further pushes the whole second buffering component 332 to move towards the second containing groove 3311 along the second upper groove and the second lower groove 3111, so as to ensure that the second cylindrical portion 3321 does not deflect in the horizontal plane in the sliding process, and further compress the second buffering spring under the support of the second connecting rod 33214 and the second rotating shaft 33211, so that the buffering of the standby power battery 2 is realized, and meanwhile, the abutting positioning groove and the abutting positioning protrusion 31211 are matched to drive the downward pressing abutting block 3121 to compress the second side pressure spring 31222 for auxiliary buffering; when the electric vehicle vibrates in the horizontal direction toward the third side buffering device 34, the standby power battery 2 may extrude the third elastic layer 34233, and further push the entire third buffering component 342 to move toward the third accommodating groove 3411 along the third upper groove and the third lower groove 3111, so as to ensure that the third cylindrical portion 3421 does not deflect in the horizontal plane during the sliding process, and further compress the third buffering spring under the support of the third connecting rod 34214 and the third rotating shaft 34211, thereby achieving the buffering of the standby power battery 2, and simultaneously, the abutting positioning groove and the abutting positioning protrusion 31211 cooperate to drive the downward pressing abutting block 3121 to compress the third side pressure spring 31223 for auxiliary buffering; when the electric vehicle vibrates in the horizontal direction toward the fourth side buffering device 35, the standby power battery 2 may press the fourth elastic layer 35233, and further push the entire fourth buffering member 352 to move toward the fourth accommodating groove 3511 along the fourth upper groove and the fourth lower groove 3111, so as to ensure that the fourth cylindrical portion 3521 does not deflect in the horizontal plane during the sliding process, and further compress the fourth buffering spring under the support of the fourth connecting rod 35214 and the fourth rotating shaft 35211, thereby buffering the standby power battery 2, and simultaneously the abutting positioning groove and the abutting positioning protrusion 31211 cooperate to drive the downward pressing abutting block 3121 to compress the fourth side pressure spring 31224 for auxiliary buffering. When the electric vehicle vibrates downward, the backup power battery 2 presses down the first support surface 32221, the second support surface 33221, the third support surface 34221, and the fourth support surface 35221, and the first buffer member 322, the second buffer member 332, the third buffer member 342, and the fourth buffer member 352 turns downward, so that the elastic clamping force of the first buffer member 322, the second buffer member 332, the third buffer member 342, and the fourth buffer member 352 on the backup power battery 2 is stronger, and the first buffer member 322, the second buffer member 332, the third buffer member 342, and the fourth buffer member 352 tend to turn upward, and the first buffer member 322, the second buffer member 332, the third buffer member 342, and the fourth buffer member 352 naturally generate upward elastic support force on the backup power battery 2 by the first support surface 32221, the second support surface 33221, the third support surface 34221, and the fourth support surface 35221, thereby realizing the buffer of the downward vibration of the standby power battery 2; when the electric automobile generates upward vibration, the upper end of the backup power battery 2 is abutted upward and pressed against the lower pressing block 3121 to compress the lower compression spring, so that the upward vibration of the backup power battery 2 is buffered. When the spare power battery 2 needs to be replaced, the loading cover 31 is opened, the first state retaining tension spring 3224, the second state retaining tension spring 3324, the third state retaining tension spring 3424 and the fourth state retaining tension spring 3524 are retained, the spare power battery 2 does not jump out, safety and reliability are achieved, the first lower surface 32222, the second lower surface 33222, the third lower surface 34222 and the fourth lower surface 35222 of the first buffer component 322, the second buffer component 332, the third buffer component 342 and the fourth buffer component 352 can be abutted upwards by operating the abutting device 36, the first buffer component 322, the second buffer component 332, the third buffer component 342 and the fourth buffer component 352 are overturned upwards, the spare power battery 2 ascends, and the spare power battery 2 is directly pulled out from among the first side buffer device 32, the second side buffer device 33, the third side buffer device 34 and the fourth side buffer device 35, when the spare power battery 2 is pulled out, the first buffer part 322, the second buffer part 332, the third buffer part 342 and the fourth buffer part 352 are driven to turn upwards, the first upper limiting surface 32232, the second upper limiting surface 33232, the third upper limiting surface 34232 and the fourth upper limiting surface 35232 are respectively clamped on the upper edges of the first accommodating groove 3211, the second accommodating groove 3311, the third accommodating groove 3411 and the fourth accommodating groove 3511, and meanwhile, the first state retaining tension spring 3224, the second state retaining tension spring 3324, the third state retaining tension spring 3424 and the fourth state retaining tension spring 3524 respectively cross the axes of the first rotating shaft 32211, the second rotating shaft 33211, the third rotating shaft 34211 and the fourth rotating shaft 35211 from below, so that a pre-tightening force for pulling upwards is respectively generated on the first buffer part 322, the second buffer part 332, the third buffer part 342 and the fourth buffer part 352, and the first buffer part 322, the second buffer part 332, the third buffer part 342 and the fourth buffer part 352 are respectively maintained, so as to maintain the first buffer part, The third buffer member 342 and the fourth buffer member 352 are in an upturned state, which facilitates the reinstallation of the spare power battery 2 with a sufficient amount of electricity.

in order to realize a specific structure of the abutting device 36, preferably, the abutting device 36 includes an abutting column 361 for directly abutting against the first lower surface 32222, the second lower surface 33222, the third lower surface 34222 and the fourth lower surface 35222, and a lifting driving device 362 for driving the abutting column 361 to lift up and down; the upper part of the abutting column 361 is in a square column shape, the upper part of the abutting device 36 is provided with an upper end face at the upper end, and a first cylindrical surface, a second cylindrical surface, a third cylindrical surface and a fourth cylindrical surface which are in one-to-one correspondence parallel with the first side face of the battery, the second side face of the battery, the third side face of the battery and the fourth side face of the battery; the first lower surface 32222, the second lower surface 33222, the third lower surface 34222 and the fourth lower surface 35222 are in a horizontal plane and are respectively formed with a first abutting groove e1, a second abutting groove e2, a third abutting groove e3 and a fourth abutting groove e4 corresponding to the first cylindrical surface, the second cylindrical surface, the third cylindrical surface and the fourth cylindrical surface; the first abutting groove e1 includes a first sliding inclined surface e11 farther away from the first lower position-limiting surface 32223 and corresponding to the first cylindrical surface, and a first position-limiting inclined surface e12 closer to the first lower position-limiting surface 32223, an included angle between the first sliding inclined surface e11 and the horizontal plane is equal to a degree of the first gap included angle, and the first sliding inclined surface e11 is perpendicular to the first position-limiting inclined surface e 12. In the practical use process of the present invention, when the lifting driving device 362 drives the abutting-against column 361 to move upward, the upper edge of the first cylindrical surface abuts against the first sliding inclined surface e11, the upper edge of the second cylindrical surface abuts against the second sliding inclined surface e21, the upper edge of the third cylindrical surface abuts against the third sliding inclined surface e31, the upper edge of the fourth cylindrical surface abuts against the fourth sliding inclined surface e41, as the abutting-against column 361 gradually abuts upward, the upper edge of the first cylindrical surface slides relatively along the first sliding inclined surface e11 toward the first limiting inclined surface e12, the upper edge of the second cylindrical surface slides relatively along the second sliding inclined surface e21 toward the second limiting inclined surface e22, the upper edge of the third cylindrical surface slides relatively along the third sliding inclined surface e31 toward the third limiting inclined surface e32, the upper edge of the fourth cylindrical surface slides relatively along the fourth sliding inclined surface e41 toward the fourth limiting inclined surface e42, and the first buffer component 322 and the second buffer component 332, The third buffer member 342 and the fourth buffer member 352 are gradually turned upwards until the upper end surface of the abutting column 361 is parallel to the first sliding inclined surface e11, the second sliding inclined surface e21, the third sliding inclined surface e31 and the fourth sliding inclined surface e41, and the first cylindrical surface, the second cylindrical surface, the third cylindrical surface and the fourth cylindrical surface respectively abut against the first limiting inclined surface e12, the second limiting inclined surface e22, the third limiting inclined surface e32 and the fourth limiting inclined surface e42, and the first upper limiting surface 32232, the second upper limiting surface 33232, the third upper limiting surface 34232 and the fourth upper limiting surface 35232 respectively abut against the upper edge of the first accommodating groove 3211, the upper edge of the second accommodating groove 3311, the upper edge of the third accommodating groove 1 and the upper edge of the fourth accommodating groove 3511, at this time, the first buffer member 322, the second buffer member 332, the third buffer member 342 and the fourth buffer member 352 are turned upwards to the maximum angle, and the spare battery power is also raised to the maximum height of the battery 3412, one can easily take out the backup power battery 2.

Preferably, the first abutting top surface 32231 gradually inclines toward the first seat 321 from bottom to top, and an included angle between the first abutting top surface 32231 and the first side surface of the battery is 25 to 35 °; the first upper limiting surface 32232 gradually inclines towards the first side surface of the battery from bottom to top, and an included angle between the first upper limiting surface 32232 and the first side surface of the battery is 25-35 °. In the practical use process of the present invention, the structure can make the first elastic layer 32233, the second elastic layer 33233, the third elastic layer 34233 and the fourth elastic layer 35233 in the corresponding inclined state, and further make the first elastic layer 32233, the second elastic layer 33233, the third elastic layer 34233 and the fourth elastic layer 35233 in the process of turning over the first buffer member 322, the second buffer member 332, the third buffer member 342 and the fourth buffer member 352 in the gentle elastic contact with each side of the backup power battery 2.

Preferably, the first abutting top surface 32231 gradually inclines toward the first seat 321 from bottom to top, and an included angle between the first abutting top surface 32231 and the first side surface of the battery is 30 °; the first upper limiting surface 32232 gradually inclines toward the first side surface of the battery from bottom to top, and an included angle between the first upper limiting surface 32232 and the first side surface of the battery is 30 °.

in order to make the turning operation of the first, second, third and fourth damping members 322, 332, 342 and 352 smoother, it is preferable that the present invention includes two first connecting rods 32214 respectively disposed at both ends of the first rotating shaft 32211, two second connecting rods 33214 respectively disposed at both ends of the second rotating shaft 33211, two third connecting rods 34214 respectively disposed at both ends of the third rotating shaft 34211, and two fourth connecting rods 35214 respectively disposed at both ends of the fourth rotating shaft 35211.

Preferably, the first slot bottom surface 32113 is provided with a first pivot portion pivotally connected to the first connecting rod 32214; the second slot bottom 33113 is provided with a second pivot part pivoted with the second connecting rod 33214; the third groove bottom 34113 has a third pivot portion pivotally connected to the third connecting rod 34214; the fourth slot bottom 35113 is provided with a fourth pivot portion pivotally connected to the fourth link 35214.

In order to more uniformly balance the buffering of the auxiliary power battery 2, it is preferable that the present invention includes a plurality of first buffering compression springs b13 uniformly arranged along the first rotation shaft 32211, a plurality of second buffering compression springs b23 uniformly arranged along the second rotation shaft 33211, a plurality of third buffering compression springs b33 uniformly arranged along the third rotation shaft 34211, and a plurality of fourth buffering compression springs b43 uniformly arranged along the fourth rotation shaft 35211.

in order to balance the buffering of the backup power battery 2 more evenly, the present invention preferably includes a plurality of upper compression springs supported evenly between the bottom wall of the lower groove 3111 and the top wall of the abutting block, a plurality of first side compression springs 31221 supported evenly between the side wall of the first lower groove 3111 and the side wall of the first abutting block, a plurality of second side compression springs 31222 supported evenly between the side wall of the second lower groove 3111 and the side wall of the second abutting block, a plurality of third side compression springs 31223 supported evenly between the side wall of the third lower groove 3111 and the side wall of the third abutting block, and a plurality of fourth side compression springs 31224 supported evenly between the side wall of the fourth lower groove 3111 and the side wall of the fourth abutting block.

preferably, four bottom edges of the abutting positioning protrusion 31211 are respectively parallel to the first bottom edge, the second bottom edge, the third bottom edge and the fourth bottom edge of the first abutting block side wall, the second abutting block side wall, the third abutting block side wall and the fourth abutting block side wall; the abutting positioning protrusion 31211 is formed with a first air vent groove f1 extending from the tip end to the midpoint of the first bottom edge, a second air vent groove f2 extending from the tip end to the midpoint of the second bottom edge, a third air vent groove f3 extending from the tip end to the midpoint of the third bottom edge, and a fourth air vent groove f4 extending from the tip end to the midpoint of the fourth bottom edge. In the practical use process, when the abutting positioning protrusion 31211 is in fit contact with the abutting positioning groove, the first exhaust groove f1, the second exhaust groove f2, the third exhaust groove f3 and the fourth exhaust groove f4 can exhaust air on the contact surface, particularly the bottom end, of the abutting positioning protrusion 31211 and the abutting positioning groove, so that the abutting positioning protrusion 31211 is in close fit contact with the abutting positioning groove, and the guiding and positioning accuracy of the backup power battery 2 is improved.

Preferably, a first chamfer is formed at the edge of the first supporting surface 32221, and the included angle between the first chamfer and the horizontal plane is 30 degrees; a second chamfer is formed at the edge of the second bearing surface 33221, and the included angle between the second chamfer and the horizontal plane is 30 degrees; a third chamfer is formed at the edge of the third bearing surface 34221, and the included angle between the third chamfer and the horizontal plane is 30 degrees; the edge of the fourth bearing surface 35221 is provided with a fourth chamfer, and the included angle between the fourth chamfer and the horizontal plane is 30 degrees. In the practical use process of the invention, when the spare power battery 2 rises to the topmost end, the first chamfer, the second chamfer, the third chamfer and the fourth chamfer can be used as bearing planes to stably support the spare power battery 2.

preferably, the first seat 321, the second seat 331, the third seat 341 and the fourth seat 351 are fixedly embedded in a front or rear box of the automobile body.

the product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims

1. A new energy electric vehicle with a conveniently replaced power source comprises a vehicle main body, wherein the vehicle main body is provided with a prime power battery; the method is characterized in that: the device also comprises a replaceable standby power battery and a loading device for loading the standby power battery;

2. The new energy electric vehicle with the conveniently replaced power source as claimed in claim 1, characterized in that: the buffer compression spring mechanism comprises a plurality of edges, wherein the first buffer compression spring is uniformly arranged on the first rotating shaft, the plurality of edges are uniformly arranged on the second rotating shaft, the second buffer compression spring is uniformly arranged on the second rotating shaft, the plurality of edges are uniformly arranged on the third rotating shaft, the third buffer compression spring is uniformly arranged on the fourth rotating shaft, and the fourth buffer compression spring is uniformly arranged on the fourth rotating shaft.

3. the new energy electric vehicle with the conveniently replaced power source as claimed in claim 2, characterized in that: the pressing device comprises a plurality of upper pressing springs which are supported between the bottom wall of the lower groove and the top wall of the abutting block in a balanced mode, a plurality of first side pressing springs which are supported between the side wall of the first lower groove and the side wall of the first abutting block in a balanced mode, a plurality of second side pressing springs which are supported between the side wall of the second lower groove and the side wall of the second abutting block in a balanced mode, a plurality of third side pressing springs which are supported between the side wall of the third lower groove and the side wall of the third abutting block in a balanced mode, and a plurality of fourth side pressing springs which are supported between the side wall of the fourth lower groove and the side wall of the fourth abutting block in a balanced mode.

4. The new energy electric vehicle with the conveniently replaced power source as claimed in claim 3, characterized in that: the four bottom edges of the abutting positioning bulge are respectively parallel to the first bottom edge, the second bottom edge, the third bottom edge and the fourth bottom edge of the side wall of the first abutting block, the side wall of the second abutting block, the side wall of the third abutting block and the side wall of the fourth abutting block; the abutting positioning bulge is provided with a first exhaust groove extending from a tip to the middle point of the first bottom edge, a second exhaust groove extending from the tip to the middle point of the second bottom edge, a third exhaust groove extending from the tip to the middle point of the third bottom edge, and a fourth exhaust groove extending from the tip to the middle point of the fourth bottom edge.