CN111846076A - a balance car - Google Patents

Abstract

The invention discloses a balance car which comprises a first car body, a second car body and a rotating mechanism, wherein the first car body comprises a first upper shell and a first lower shell; the first end of the rotating mechanism is clamped between the first upper shell and the first lower shell, and the second end of the rotating mechanism is arranged between the middle shell and the second lower shell. The advantages are that: the middle shell is arranged in the second vehicle body, so that the mechanical strength of the second vehicle body is enhanced; simultaneously, set up slewing mechanism's second end between mesochite and second inferior valve, the distance of mesochite and second inferior valve is nearer, can fix a position slewing mechanism's second end more closely, more steadily to make slewing mechanism can rotate more steadily, make the balance car operation more steady, factor of safety is higher.

Description

a balance car

technical field

The invention relates to the technical field of balancing vehicles, in particular to a balancing vehicle.

Background technique

The operation principle of the electric balance car is mainly based on a basic principle called "dynamic stability". It uses the gyroscope and acceleration sensor inside the car body to detect the change of the car body attitude, and uses the servo control system. The drive axles are adjusted accordingly to keep the system balanced. It is a new type of green and environmentally friendly product that modern people use as a means of transportation, leisure and entertainment. Electric balance cars mainly include two types: one-wheel and two-wheel. Among them, two-wheel balance cars have a higher safety factor and are more suitable for travel. One type of two-wheeled balance car is a twist car. The first car body and the second car body are connected by a rotating mechanism and move by twisting the first car body and the second car body. At this time, the installation of the rotating mechanism is very important for the balance car. operation is particularly important.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a balance car, which makes the installation of the rotating mechanism more flexible and convenient, and has better stability.

The purpose of the present invention adopts following technical scheme to realize:

A balance car includes a first car body, a second car body and a rotating mechanism, the first car body includes a first upper shell and a first lower shell, and the second car body includes a second upper shell and a middle shell and a second lower casing, the middle casing is arranged between the second upper casing and the second lower casing; the first end of the rotating mechanism is sandwiched between the first upper casing and the first lower casing Between the lower casings, the second end of the rotating mechanism is disposed between the middle casing and the second lower casing.

Preferably, the first end of the rotating mechanism is fixedly disposed between the first upper casing and the first lower casing; and/or the second end of the rotating mechanism is rotatably disposed on the middle casing and the second lower shell.

Preferably, a limit mechanism is provided on the middle shell and/or the second lower shell; the limit mechanism includes a limit block and a limit block installation groove, and the limit block installation groove is provided in the middle shell shell or the second lower shell.

Preferably, the middle shell is provided with a rotating upper connecting groove, the second lower shell is provided with a rotating lower connecting groove, and the second end of the rotating mechanism is sandwiched between the rotating upper connecting groove and the rotating connecting groove. The second upper shell is provided with a covering portion at the position corresponding to the rotating upper connecting groove.

Preferably, a rotation mechanism fixing groove is provided on the side of the first upper casing and/or the first lower casing close to the middle casing; the second end of the rotating mechanism is fixedly arranged on the rotating mechanism fixing groove between the first upper shell and the first lower shell; or

A rotating mechanism fixing column is arranged on the side of the first upper casing and/or the first lower casing close to the middle casing; the second end of the rotating mechanism is fixedly arranged on the first upper casing through the rotating mechanism fixing column between the shell and the first lower shell.

Preferably, the first end of the rotating mechanism is rotatably disposed in the first vehicle body, and the second end is rotatably disposed in the second vehicle body; the rotating mechanism includes a rotating shaft, and the first end of the rotating shaft is rotatable. is connected with the first vehicle body, and the second end is connected with the second vehicle body; the rotating shaft rotates relative to the first vehicle body and the second vehicle body; one end of the rotating shaft is provided with a limiting part, the A limiting mechanism is provided at a position of the first vehicle body or the second vehicle body corresponding to the limiting portion.

Preferably, the first upper shell and the middle shell are provided with rotating upper connecting grooves, and the first lower shell and the second lower shell are provided with rotating lower connecting grooves at positions corresponding to the rotating upper connecting grooves , the two ends of the rotating shaft are sleeved with bearings, and the rotating upper connecting groove and the rotating lower connecting groove are provided with corresponding bearing installation grooves; and/or

A lamp plate column and a first indicator hole are provided in the upper rotating connecting groove of the middle shell or the first upper shell; when the first indicating light hole is provided in the upper rotating connecting groove of the middle shell , the second upper shell is provided with a cover portion corresponding to the upper rotating connecting groove, and a second indicator hole is provided at the position of the cover portion corresponding to the first indicator hole.

Preferably, a second axle mounting seat is provided on the lower side of the middle shell, and the second axle mounting seat includes a second axle pressing piece fixing hole and a second axle mounting groove.

Preferably, the lower side of the middle shell is provided with a second control panel connecting column, the second control panel connecting column is located outside the second axle mounting seat; the second control panel connecting column includes two groups, two groups The second control panel connecting columns are respectively arranged on both sides of the second axle mounting seat; or

The middle shell is provided with a through groove, the second upper shell is provided with a second control board connecting column, the second control board connecting column is connected with the second control board through the through groove, and the second control board is connected The posts are correspondingly located outside the second axle mounting seat; the second control panel connecting posts include two groups, and the two groups of the second control panel connecting posts are respectively arranged on both sides of the second axle mounting seat.

Preferably, a first axle mounting seat is provided on the first upper shell or the first lower shell, and the first axle mounting seat includes a first axle pressing piece fixing hole and a first axle mounting groove; the first axle mounting seat An axle pressing piece fixing hole includes two groups, and the two sets of the first axle pressing piece fixing holes are symmetrically arranged on both sides of the first axle mounting groove; the first upper shell or the first lower shell is provided with a first A control board connecting column; the first control board connecting column includes two groups, and the two groups of the first control board connecting column are respectively arranged on both sides of the first axle mounting seat.

Compared with the prior art, the beneficial effects of the present invention are:

In the present invention, a middle shell is arranged in the second vehicle body to enhance the mechanical strength of the second vehicle body; at the same time, the second end of the rotating mechanism is arranged between the middle shell and the second lower shell, and the middle shell and the second lower shell The distance is closer, the second end of the rotating mechanism can be positioned more closely and more stably, so that the rotating mechanism can rotate more stably, so that the balance car runs more smoothly and has a higher safety factor.

Description of drawings

1 is a schematic diagram of an explosion structure of a balance car according to an embodiment of the present invention;

Fig. 2 is the exploded structure schematic diagram of another angle of the balance car of the embodiment in Fig. 1;

3 is a schematic diagram of an exploded structure of a self-balancing vehicle according to another embodiment of the present invention, which shows an embodiment in which the second control panel connecting column is arranged on the second upper shell;

4 is a schematic diagram of an exploded structure of a self-balancing vehicle according to another embodiment of the present invention, which shows an embodiment in which the first end of the rotating mechanism is rotatably connected to the first vehicle body, and the second end is rotatably connected to the second vehicle body;

5 is a schematic structural diagram of a middle case according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of another angle of the middle shell of the embodiment in FIG. 5;

7 is a schematic structural diagram of a middle case according to another embodiment of the present invention;

8 is a schematic structural diagram of a second upper casing according to an embodiment of the present invention;

9 is a schematic structural diagram of a second upper casing according to another embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a second lower case according to an embodiment of the present invention.

In the figure: 1, the first car body; 2, the second car body; 3, the rotating mechanism; 31, the first end; 32, the second end; 33, the rotating shaft; 34, the limit part; 35, the bearing; 36, Rotation mechanism fixing hole; 37, limit block; 38, limit block installation slot; 4, first control board; 5, second control board; 10, first upper shell; 101, rotation mechanism fixing slot; 102, rotation Mechanism fixing column; 103, the first control board connecting column; 20, the first lower shell; 30, the second upper shell; 301, the cover part; 302, the second indicator hole; 303, the lampshade; 40, the second lower shell ; 401, rotating lower connecting groove; 50, middle shell; 501, connecting column of the second control board; 502, rotating upper connecting groove; 503, through groove; 504, indicator light board; 505, light board column; 506, first Indicator hole; 60, the first wheel; 601, the first axle; 602, the first axle mounting seat; 603, the first axle pressing piece fixing hole; 604, the first axle mounting slot; 605, the first axle pressing piece; 70, the second wheel; 701, the second axle; 702, the second axle mounting seat; 703, the second axle pressing sheet fixing hole; 704, the second axle mounting groove; 705, the second axle pressing sheet.

Detailed ways

The present invention will be described in more detail below with reference to the accompanying drawings. It should be noted that the following description of the present invention with reference to the accompanying drawings is only illustrative and not restrictive. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

In the description of the present invention, it should be noted that for orientation words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower" , "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise" ” etc. indicating the orientation and positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or a specific orientation. The structure and operation should not be construed as limiting the specific protection scope of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or indicating the number of technical features. Thus, the definition of "first" and "second" features may expressly or implicitly include one or more of the features, and in the description of the present invention, "several" means two or more, unless otherwise There are clear and specific restrictions.

In the present invention, unless otherwise expressly specified and limited, the terms "assembled", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated It can be connected to the ground; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two components can be connected internally. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Referring to Fig. 1 to Fig. 10, the balance car of the embodiment of the present invention will be clarified in the following description, wherein the second end of the rotating mechanism is arranged between the middle shell and the second lower shell, and the middle shell is connected to the second lower shell. The distance of the second lower shell is closer, which can reduce the shaking of the second end of the rotating mechanism, so that the rotating mechanism rotates more smoothly, the operation of the balance car is more stable, and the safety factor is higher.

As shown in Fig. 1 to Fig. 5, the present invention designs a balance car, including a first car body, a second car body and a rotating mechanism, and the first car body includes a first upper shell and a first lower shell , the second vehicle body includes a second upper shell, a middle shell and a second lower shell, the middle shell is arranged between the second upper shell and the second lower shell; the first The end is sandwiched between the first upper casing and the first lower casing, and the second end of the rotating mechanism is arranged between the middle casing and the second lower casing.

As shown in FIGS. 1 to 10 , the first vehicle body 1 and the second vehicle body 2 are arranged opposite to each other, and the first vehicle body 1 and the second vehicle body 2 can be relatively static or relatively rotated through the rotating mechanism 3 . The first vehicle body 1 may be the left vehicle body in the balance vehicle, and correspondingly, the second vehicle body 2 may be the right vehicle body in the balance vehicle; in some embodiments, the first vehicle body 1 may be the right vehicle body in the balance vehicle. The vehicle body, correspondingly, the second vehicle body 2 is the left vehicle body in the balance vehicle. It is worth noting that the positions of the first vehicle body 1 and the second vehicle body 2 have no substantial impact on their structures, and can be used normally.

The balance car of the present invention requires the relative rotation of the first car body 1 and the second car body 2 to control the operation of the balance car. Therefore, the balance car further includes a rotating mechanism 3, one end of the rotating mechanism 3 is connected with the first car body 1, and the other is connected to the first car body 1. One end is connected to the second vehicle body 2 .

In one embodiment, the second end 32 of the rotating mechanism 3 is rotatably disposed in the second vehicle body 2, the first end 31 is fixedly disposed in the first vehicle body 1, and the first end 31 of the rotating mechanism 3 is fixedly disposed in the first vehicle body 1. Between the upper shell 10 and the first lower shell 20, the second end 32 of the rotating mechanism 3 is rotatably disposed between the middle shell 50 and the second lower shell 40, the middle shell 50 and/or the second lower shell 40 A limit mechanism is provided on the upper part. The rotation mechanism 3 includes a rotation shaft 33 and a limit mechanism. The limit mechanism is matched with the limit part 34 on the rotation shaft 33 to limit the rotation angle of the rotation shaft 33 . The first vehicle body 1 and the second vehicle body 2 rotate around the axis of the rotation shaft 33 . The limit mechanism includes a limit block 37 and a limit block installation groove 38. The limit block installation groove 38 can be set on the second lower shell 40, or on the middle shell 50, or the second lower shell 40 and the middle shell. 50 are provided with limit block installation grooves 38 . In the specific example shown in FIG. 1 and FIG. 3 , the limiting block mounting groove 38 is provided on the second lower shell 40 . One end of the rotating shaft 33 between the middle shell 50 and the second lower shell 40 is provided with a limit portion 34 , the limit portion 34 includes a limit boss with a notch, and the limit block 37 is a limit corresponding to the limit boss. When the rotating shaft 33 rotates, the top surface of the limiting piece can collide with the two ends of the limiting boss respectively, so as to limit the rotation angle of the rotating shaft 33 .

In order to realize the positioning of the second end 32 of the rotating mechanism 3, the middle shell 50 is provided with a rotating upper connecting groove 502, and the second lower shell 40 is provided with a rotating lower connecting groove 401 at the position corresponding to the rotating upper connecting groove 502, and the rotating mechanism 3 can be rotated. It is arranged between the rotating upper connecting groove 502 and the rotating lower connecting groove 401. The rotating mechanism 3 includes a rotating shaft 33. In order to realize the rotating connection between the rotating shaft 33 and the rotating upper connecting shaft and the rotating lower connecting shaft, the rotating shaft 33 is placed in the middle shell 50 and the first One end between the two lower shells 40 is sleeved with a second sleeve or bearing 35, and in order to install the bearing 35 or the sleeve, a limit groove is provided in the rotating upper connecting shaft and the rotating lower connecting shaft. When the bearing 35 is sleeved on the rotating shaft 33, the rotating upper connecting groove 502 and the rotating lower connecting groove 401 are provided with bearing limit grooves; when the rotating shaft 33 is sleeved with the second sleeve, the rotating upper connecting groove 502 and A sleeve limiting groove is provided in the lower rotating connecting groove 401 . The rotating shaft 33 can rotate in the second sleeve or bearing 35, so that the first vehicle body 1 and the second vehicle body 2 can rotate relative to each other.

The first vehicle body 1 and the second vehicle body 2 are connected by the rotating mechanism 3, and in order to facilitate the user to observe the working condition of the balance vehicle, the balance vehicle also includes an indicator light board 504, which is connected to the control circuit board, and can be connected to the control circuit board through it. The light-emitting device on it feeds back the working status of the balance car. In order to keep the pedaling balance of the balance car, the first car body 1 and the second car body 2 are provided with pedals for users to step on. The connection point of the second vehicle body 2 , that is, the position corresponding to the rotating mechanism 3 , as shown in FIG. 1 , the indicator light plate 504 is arranged below the relative position of the middle shell 50 and the rotating shaft 33 , more specifically, on the rotating shaft 33 . in the connecting groove 502 . The upper rotating connecting groove 502 is provided with a lamp board post 505 and a first indicator hole 506 , and the second upper shell 30 is provided with a covering portion 301 corresponding to the upper rotating connecting groove, and the covering portion 301 corresponds to the first indicator hole 506 There is a second indicator hole 302 at the position of the indicator light plate, the light plate column 505 is used to install the indicator light plate 504, and the first indicator light hole 506 and the second indicator light hole 302 are used to transmit light from the light-emitting devices on the indicator light plate 504, indicating The positions of the light holes correspond to the light emitting devices on the indicator light board 504 . The light-emitting device can be LED lamp beads or other small lamps. A lamp cover 303 is provided on the second indicator hole 302 .

The connection structure between the first end 31 of the rotating mechanism 3 and the first upper casing 10 and the first lower casing 20 may be as follows: the end of the first upper casing 10 close to the second upper casing 30 is provided with a rotating mechanism fixing groove 101, correspondingly, the first upper casing 10 is provided with a rotating mechanism fixing groove 101. One end of the lower shell 20 close to the second lower shell 40 is provided with a rotating mechanism fixing groove 101, the rotating mechanism 3 is fixed between the rotating mechanism fixing groove 101 and the rotating mechanism fixing groove 101, and the rotating mechanism fixing groove 101 and the rotating mechanism fixing groove 101 are in After the first upper shell 10 and the first lower shell 20 are connected and fixed, a fixing groove is formed which is fixedly connected with the first end 31 of the rotating mechanism 3 , and the fixing groove can limit the connection between the first end 31 of the rotating mechanism 3 and the first vehicle body 1 . The relative rotation enables the first vehicle body 1 and the second vehicle body 2 to smoothly rotate relative to each other. The connection structure between the first end 31 of the rotating mechanism 3 and the first upper casing 10 and the first lower casing 20 can also be as follows: the end of the first upper casing 10 close to the second upper casing 30 is provided with a rotating mechanism fixing column 102, and the rotating mechanism 3 A rotating mechanism fixing hole 36 is provided on the first end 31 of the rotating mechanism. The rotating mechanism fixing column 102 is adapted to the shape of the rotating mechanism fixing hole 36. Between the lower shells 20, during installation, the rotating mechanism fixing column 102 passes through the rotating mechanism fixing hole 36, so that the first end 31 of the rotating mechanism 3 is fixedly connected with the first vehicle body 1, and is relatively stationary, so that the first vehicle body is 1 and the second vehicle body 2 can smoothly rotate relative to each other; the fixing hole 36 of the rotating mechanism can be a through structure or a non-through structure. When the rotating mechanism fixing hole 36 is a through structure, the first upper shell 10 and the first lower shell 20 can be provided with rotating mechanism fixing columns 102; when the rotating mechanism fixing holes 36 are non-through structures, the corresponding positions of the first upper shell 10 or the first lower shell 20 are provided with rotating mechanism fixing columns 102, and the rotating mechanism The fixing column 102 is disposed toward the fixing hole 36 of the rotating mechanism so that it can be inserted into the fixing hole 36 of the rotating mechanism.

In another embodiment, the second end 32 of the rotating mechanism 3 is rotatably disposed in the second vehicle body 2, and the first end 31 is rotatably disposed in the first vehicle body 1; the rotating mechanism 3 includes a rotating shaft 33, One end of the rotating shaft 33 is connected with the first vehicle body 1, and the other end is connected with the second vehicle body 2; the first vehicle body 1 and the second vehicle body 2 are rotatably connected by the rotating shaft 33; one end of the rotating shaft 33 is provided with a limiting part 34 , a limiting mechanism is provided at the position of the first vehicle body 1 or the second vehicle body 2 corresponding to the limiting portion 34 .

Based on the above embodiment, as shown in FIG. 4 , the rotating shaft 33 is rotatably connected to the first vehicle body 1 and the second vehicle body 2 at the same time. In order to install the second end 32 and the first end 31 of the rotating shaft 33, preferably, In one embodiment, the second end 32 of the rotating shaft 33 is located between the middle casing 50 and the second lower casing 40, and the first end 31 is located between the first upper casing 10 and the first lower casing 20, more specifically, The first upper shell 10 and the middle shell 50 are provided with rotating upper connecting grooves 502, the first lower shell 20 and the second lower shell 40 are provided with rotating lower connecting grooves 401 at the positions corresponding to the rotating upper connecting grooves 502, and two ends of the rotating shaft 33 are provided. The bearing 35 is sleeved, and the rotating upper connecting groove 502 and the rotating lower connecting groove 401 are provided with corresponding bearing installation grooves. Rotation restriction is performed.

Based on the above embodiment, the first vehicle body includes a first axle, and the second vehicle body includes a second axle. Preferably, the second axle and the second end 32 of the rotating mechanism 3 are connected to the same platform, so that the rotating mechanism 3 and the second axle can be connected to the same platform. The second wheel 70 rotates more smoothly. More specifically, the middle shell 50 is provided with a second axle mounting seat 702, and the second axle mounting seat 702 includes a second axle pressing piece fixing hole 703 and a second axle mounting groove 704; The axles are adapted to each other, the second axle is placed in the second axle mounting groove, the second axle pressing sheet fixing holes 703 include two groups, and the two sets of second axle pressing sheet fixing holes 703 are symmetrically arranged on both sides of the second axle mounting groove 704 . The second axle mounting seat 702 is also provided with a second axle pressing piece 705, and the second axle is fixed in the second axle mounting groove through the second axle pressing piece 705; the second axle pressing piece 705 is connected to the second axle mounting seat by screws 702 is fixedly connected to ensure that the second axle will not be separated from the installation groove of the second axle. Combined with the above-mentioned embodiment, preferably, the thickness of the middle shell 50 is greater than the thickness of the second upper shell 30; because the thickness of the middle shell 50 is thicker and the mechanical strength is greater, therefore, as shown in FIG. 1 to FIG. 3 In the specific example of the embodiment, the second axle mounting seat is arranged at the bottom of the middle shell 50, so that the second axle is installed more firmly, and the second wheel can drive the second vehicle body 2 to run more stably. Of course, in other embodiments, the second axle mounting seat can also be provided on the second upper shell or the second lower shell.

In some embodiments, the first upper shell 10 is provided with a first axle mounting seat 602, and the first axle mounting seat 602 includes a first axle pressing piece fixing hole 603 and a first axle mounting groove 604; the first axle mounting groove 604 Matching with the first axle, the first axle is placed in the first axle mounting groove, the first axle pressing sheet fixing hole 603 includes two groups, and the two sets of first axle pressing sheet fixing holes 603 are symmetrically arranged in the first axle mounting groove. 604 sides. The first axle mounting seat 602 is also provided with a first axle pressing piece 605, and the first axle is fixed in the first axle mounting groove through the first axle pressing piece 605; the first axle pressing piece 605 is connected to the first axle mounting seat through screws 602 is fixedly connected to ensure that the first axle will not be separated from the first axle installation groove.

In other embodiments, the first wheel 60 is disposed on the outer end of the first lower shell 20 away from the middle shell 50 . More specifically, the first wheel 60 includes a first axle 601 , and the first lower shell 20 is provided with a The first axle mounting seat 602, the first axle mounting seat 602 includes the first axle pressing piece fixing hole 603 and the first axle mounting groove 604; the first axle mounting groove 604 is adapted to the first axle, and the first axle is placed on the In an axle mounting groove, the first axle pressing sheet fixing holes 603 include two groups, and the two sets of first axle pressing sheet fixing holes 603 are symmetrically arranged on both sides of the first axle mounting groove 604 . The first axle mounting seat 602 is also provided with a first axle pressing piece 605, and the first axle is fixed in the first axle mounting groove through the first axle pressing piece 605; the first axle pressing piece 605 is connected to the first axle mounting seat through screws 602 is fixedly connected to ensure that the first axle will not be separated from the first axle installation groove.

Based on the above-mentioned embodiment, preferably, the first vehicle body includes a first control panel 4. In order to protect the first control panel 4, the first control panel 4 is located between the first upper shell 10 and the first lower shell 20, and the first upper The shell 10 or the first lower shell 20 is provided with a first control board connecting column 103, and the first control board 4 is fixedly connected to the first upper shell 10 or the first lower shell 20 through the first control board connecting column 103; The installation of a control board 4 is more firm. The first control board connecting column 103 includes two groups. The two sets of first control board connecting columns 103 are respectively arranged on both sides of the first axle mounting seat 602, so that the first control board 4 does not Interferes with the first axle mount 602 .

Based on the above-mentioned embodiments, in some embodiments, the second vehicle body includes a second control panel 5 . In order to protect the second control panel 5 , the second control panel 5 is located between the middle shells 50 , and a second control board 5 is provided on the lower side of the middle shell 50 The control board connecting column 501, the second control board 5 is fixedly connected with the middle shell 50 through the second control board connecting column 501; in order to make the installation of the second control board 5 more firm, the second control board connecting column 501 includes two groups, two The group of second control panel connecting posts 501 are respectively disposed on both sides of the second axle mounting seat 702 , so that the second control panel 5 does not interfere with the second axle mounting seat 702 .

In other embodiments, the second control panel connecting column 501 is disposed on the lower side of the second upper shell 30 , more specifically, the second vehicle body includes a second control panel 5 , which is disposed in the middle shell Below 50 , the middle shell 50 is provided with a through slot 503 , and the second upper shell 30 is provided with a second control board connecting column 501 , and the second control board connecting column 501 is connected to the second control board 5 through the through slot 503 . In this way, the structure of the middle shell 50 can be simplified, the installation of the second upper shell 30 and the middle shell 50 is more convenient, and there is no assembly error; The connection of 50 is tighter, which is beneficial to improve the mechanical strength of the second body 2, thereby improving the stability of the balance vehicle as a whole. In order to make the installation of the second control board 5 more secure, the second control board connecting column 501 includes two groups, and the two sets of the second control board connecting column 501 are respectively arranged on both sides of the second axle mounting seat 702, so that the second control board The plate 5 does not interfere with the second axle mount 702 . At this time, the second axle mounting seat 702 is located on the lower side of the middle shell 50 , the through grooves 503 correspond to the second control board connecting column 501 , and the number is also two, and the two through grooves 503 are respectively located on the second axle mounting seat 702 The second control board connecting column 501 is located on both sides of the second axle mounting seat 702 after passing through the through groove 503 .

The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims (10)

1. A balance car, comprising a first vehicle body, a second vehicle body and a rotating mechanism, wherein the first vehicle body includes a first upper shell and a first lower shell, and the second vehicle body includes a first Two upper shells, a middle shell and a second lower shell, the middle shell is arranged between the second upper shell and the second lower shell; the first end of the rotating mechanism is clamped on the first upper shell Between the casing and the first lower casing, the second end of the rotating mechanism is disposed between the middle casing and the second lower casing. 2. The balance car according to claim 1, wherein: the first end of the rotating mechanism is fixedly arranged between the first upper shell and the first lower shell; and/or the rotating mechanism The second end is rotatably disposed between the middle case and the second lower case. 3. The balance car according to claim 2, characterized in that: a limit mechanism is provided on the middle shell and/or the second lower shell; the limit mechanism comprises a limit block and a limit block installation groove , the limiting block installation groove is arranged on the middle shell or the second lower shell. 4. The balance car according to claim 2, wherein the middle shell is provided with a rotating upper connecting groove, the second lower shell is provided with a rotating lower connecting groove, and the second end of the rotating mechanism is provided with a rotating upper connecting groove. It is clamped in the upper rotating connecting groove and the lower rotating connecting groove; the second upper shell is provided with a covering part at the position corresponding to the rotating upper connecting groove. 5. The balance car according to claim 2, characterized in that: a side of the first upper shell and/or the first lower shell close to the middle shell is provided with a rotating mechanism fixing groove; The end is fixedly arranged between the first upper shell and the first lower shell through the rotation mechanism fixing groove; or A rotating mechanism fixing column is arranged on the side of the first upper casing and/or the first lower casing close to the middle casing; the second end of the rotating mechanism is fixedly arranged on the first upper casing through the rotating mechanism fixing column between the shell and the first lower shell. 6. The balance car according to claim 1, wherein the first end of the rotating mechanism is rotatably arranged in the first vehicle body, and the second end is rotatably arranged in the second vehicle body; The rotating mechanism includes a rotating shaft, the first end of the rotating shaft is connected with the first vehicle body, and the second end is connected with the second vehicle body; the rotating shaft rotates relative to the first vehicle body and the second vehicle body ; One end of the rotating shaft is provided with a limiting portion, and a limiting mechanism is provided at the position corresponding to the first vehicle body or the second vehicle body and the limiting portion. 7. The balance car according to claim 6, wherein the first upper shell and the middle shell are provided with rotating upper connecting grooves, and the first lower shell and the second lower shell correspond to The position of the rotating upper connecting groove is provided with a rotating lower connecting groove, the two ends of the rotating shaft are sleeved with bearings, and the rotating upper connecting groove and the rotating lower connecting groove are provided with corresponding bearing installation grooves; and/or A lamp plate column and a first indicator hole are provided in the upper rotating connecting groove of the middle shell or the first upper shell; when the first indicating light hole is provided in the upper rotating connecting groove of the middle shell , the second upper shell is provided with a cover portion corresponding to the upper rotating connecting groove, and a second indicator hole is provided at the position of the cover portion corresponding to the first indicator hole. 8 . The balance car according to claim 1 , wherein a second axle mounting seat is provided on the lower side of the middle shell, and the second axle mounting seat comprises a second axle pressing piece fixing hole and a second axle mounting seat. 9 . groove. 9 . The balance car according to claim 8 , wherein: the lower side of the middle shell is provided with a second control board connecting column, and the second control board connecting column is located outside the second axle mounting seat; the The second control board connecting column includes two groups, and the two groups of the second control board connecting column are respectively arranged on both sides of the second axle mounting seat; or The middle shell is provided with a through groove, the second upper shell is provided with a second control board connecting column, the second control board connecting column is connected with the second control board through the through groove, and the second control board is connected The posts are correspondingly located outside the second axle mounting seat; the second control panel connecting posts include two groups, and the two groups of the second control panel connecting posts are respectively arranged on both sides of the second axle mounting seat. 10 . The balance car of claim 1 , wherein a first axle mounting seat is provided on the first upper shell or the first lower shell, and the first axle mounting seat comprises a first axle pressure a plate fixing hole and a first axle mounting slot; the first axle pressing sheet fixing hole includes two groups, and the two sets of the first axle pressing sheet fixing holes are symmetrically arranged on both sides of the first axle mounting slot; An upper shell or a first lower shell is provided with a first control board connecting column; the first control board connecting column includes two groups, and the two groups of the first control board connecting column are respectively arranged on the first axle mounting seat on both sides.

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