CN216684766U

CN216684766U - Chain tensioning device and vehicle

Info

Publication number: CN216684766U
Application number: CN202122676835.7U
Authority: CN
Inventors: 李俊; 宋现宇; 陈晓俊; 尹彻; 郭健良
Original assignee: Mobai Beijing Information Technology Co Ltd
Current assignee: Mobai Beijing Information Technology Co Ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-06-07
Anticipated expiration: 2031-11-03

Abstract

The application discloses a chain stretching device and a vehicle, wherein the chain stretching device is applied to the vehicle and comprises a fixing sheet and a chain stretching mechanism, and the fixing sheet is fixedly connected with a body of the vehicle; the chain tensioning mechanism is rotatably connected with the fixing plate; a channel part allowing a chain of a vehicle to pass through is arranged in the chain stretching mechanism; the chain tensioning mechanism is configured to: the chain is used for driving the vehicle to rotate relative to the fixed plate so as to adjust the tightness of the chain. When the chain device that opens that this application embodiment provided is applied to on the vehicle, this chain device that opens can play the effect of supporting to the chain of vehicle to can reconcile the elasticity degree of vehicle chain through this chain device that opens, effectively reduce the chain of vehicle and take place the risk that drops.

Description

Chain tensioning device and vehicle

Technical Field

The application relates to the technical field of electronic products, in particular to a chain tensioning device and a vehicle.

Background

With the enhancement of energy conservation and environmental protection awareness of people, people tend to ride vehicles more and more when going out in order to reduce environmental pollution and relieve traffic pressure. The shared vehicle provides a convenient vehicle sharing service for people, and is particularly favored by people; in recent years, sharing vehicles has become an important way for people to travel.

In the riding process of the vehicle, the chain falls to be a big problem influencing the use experience of the rider. Particularly for the shared vehicle, the shared vehicle is more easily affected by natural environment and human factors because the shared vehicle is in an open environment for a long time and is often required to be carried and moved, so that the shared vehicle is more easily collided and impacted compared with a private bicycle, and a chain of the shared vehicle is more easily separated. If the chain falls off during the riding of the shared vehicle by the user, safety accidents are likely to be caused.

In view of the above, a new technical solution is needed to reduce the possibility of the chain of the vehicle falling off.

SUMMERY OF THE UTILITY MODEL

One purpose of this application is to provide a novel technical scheme of chain tensioning device and vehicle.

According to a first aspect of the present application, there is provided a chain tensioner applied to a vehicle, the chain tensioner including:

the fixing plate is fixedly connected with the body of the vehicle;

the chain stretching mechanism is rotatably connected with the fixing plate;

a channel part allowing a chain of a vehicle to pass through is arranged in the chain stretching mechanism;

the chain tensioning mechanism is configured to: the chain is used for driving the vehicle to rotate relative to the fixed plate so as to adjust the tightness of the chain.

Optionally, the chain-opening mechanism has a first inner bottom surface and a second inner bottom surface which are oppositely arranged, and the channel part is located between the first inner bottom surface and the second inner bottom surface;

the first inner bottom surface is provided with a first boss protruding towards the second inner bottom surface, and two sides of the first boss are provided with first slide rails matched and connected with a chain of a vehicle; the second inner bottom surface is provided with a second boss in a protruding mode towards the first inner bottom surface, and second sliding rails used for being connected with a chain of a vehicle in a matched mode are formed on the two sides of the second boss.

Optionally, the chain expanding mechanism comprises a chain container and a rocker arm, and the channel part is opened in the chain container; the rocker arm is rotatably connected with the fixing plate.

Optionally, the chain container and the rocker arm are integrally formed.

Optionally, the chain container and the rocker arm are detachably connected by a fastener.

Optionally, an elastic member is disposed between the rocker arm and the fixing plate.

Optionally, a holding groove is formed in a side surface of the rocker arm facing the fixing plate, and a part of the elastic member is disposed in the holding groove.

Optionally, the outer top surface of the chain container is provided with a clamping groove, and the bottom of the rocker arm is in matched clamping connection with the clamping groove.

Optionally, a side portion of the fixing plate is provided with a first protruding portion, and a side portion of the rocker arm is provided with a second protruding portion, and the second protruding portion may abut against the first protruding portion in a case where the rocker arm rotates relative to the fixing plate.

According to a second aspect of the present application, there is provided a vehicle comprising a body, a chain, and a chain tensioning device as described in the first aspect; the fixing piece is fixedly connected with the body, and the chain penetrates through the passage part.

When the chain device that opens that this application embodiment provided is applied to on the vehicle, this chain device that opens can play the effect of supporting to the chain of vehicle to can reconcile the elasticity degree of vehicle chain through this chain device that opens, effectively reduce the risk that the chain of vehicle takes place to drop.

Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

FIG. 1 is an exploded view of a chain tensioner according to the present application;

fig. 2 is a partial schematic structural view of a vehicle according to the present application.

Description of reference numerals:

1. a chain tensioning device; 11. a fixing sheet; 110. a third through hole; 111. a first boss portion; 12. a chain tensioning mechanism; 120. a channel portion; 121. a first boss; 122. a first slide rail; 123. a second boss; 124. a second slide rail; 12-1, a chain container; 12-10, a card slot; 12-11, a first via; 12-12, connecting lugs; 12-2, a rocker arm; 12-20, a second boss; 12-21, a second through hole; 13. a fastener; 14. an elastic member; 2. a body; 3. and a chain.

Detailed Description

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Referring to fig. 1, according to an embodiment of the present application, there is provided a chain tensioning device applied to a vehicle, the chain tensioning device including a fixing plate 11 and a chain tensioning mechanism 12, the fixing plate 11 being fixedly connected to a body of the vehicle; the chain tensioning mechanism 12 is rotatably connected with the fixing plate 11; a channel part 120 allowing a chain of a vehicle to pass through is arranged in the chain stretching mechanism 12;

the chain tensioning mechanism 12 is configured to: the chain for driving the vehicle rotates relative to the fixed plate 11 to adjust the tightness of the chain.

When the chain tensioning device provided by the embodiment of the application is applied to a vehicle, the fixing sheet 11 of the chain tensioning device is fixedly mounted on the body of the vehicle, for example, fixedly mounted on the frame of the vehicle; meanwhile, the chain of the vehicle passes through a passage portion 120 opened in the chain expanding mechanism 12 of the chain expanding device. The chain expanding mechanism 12 plays a role in supporting and wrapping a chain of a vehicle; moreover, since the chain-opening mechanism 12 is rotatably connected to the fixing plate 11, after the chain-opening device is mounted on the body of the vehicle, a user can hold the chain-opening mechanism 12 with a hand and rotate the chain-opening mechanism 12, so that the chain-opening mechanism 12 drives the chain of the vehicle to rotate together, thereby adjusting the tightness of the chain. In summary, when the chain tensioning device provided by the embodiment of the application is applied to a vehicle, the chain tensioning device can support the chain of the vehicle, and the tightness degree of the chain of the vehicle can be adjusted through the chain tensioning device, so that the risk of falling off of the chain of the vehicle is effectively reduced.

Referring to fig. 1, in one embodiment, further, the chain mechanism 12 has a first inner bottom surface and a second inner bottom surface which are oppositely arranged, and the channel part 120 is located between the first inner bottom surface and the second inner bottom surface;

a first boss 121 is convexly arranged on the first inner bottom surface towards the second inner bottom surface, and first slide rails 122 for being matched and connected with a chain of a vehicle are formed on two sides of the first boss 121; the second inner bottom surface is provided with a second boss 123 protruding towards the first inner bottom surface, and second slide rails 124 used for being connected with a chain of a vehicle in a matched mode are formed on two sides of the second boss 123.

In this specific example, when the chain of the vehicle is disposed in the chain-tensioning mechanism 12 through the channel 120, the chain is embedded in the first slide rail 122 and the second slide rail 124, so that the connection relationship between the chain and the chain-tensioning mechanism 12 is tighter, and the tightness degree of the chain of the vehicle can be adjusted more conveniently through the chain-tensioning mechanism 12.

More specifically, the first slide rail 122 is provided with two, and the second slide rail 124 is also provided with two, so as to correspond to the two side portions of the chain.

Referring to fig. 1, in one embodiment, further, the chain expanding mechanism 12 includes a chain container 12-1 and a rocker arm 12-2, and the channel part 120 is opened in the chain container 12-1; the rocker arm 12-2 is rotatably connected with the fixing plate 11.

In this particular example, the chain-opening mechanism 12 specifically includes a chain container 12-1 and a swing arm 12-2, wherein the chain container 12-1 is for connection with a chain of a vehicle, and the swing arm 12-2 is for pivotal connection with the fixing plate 11. When the swing arm 12-2 rotates relative to the fixing plate 11, the swing arm 12-2 drives the chain container 12-1 to rotate together relative to the fixing plate 11.

Referring to fig. 1, in one embodiment, the chain container 12-1 and the swing arm 12-2 are further integrally formed.

In this specific example, the chain container 12-1 and the swing arm 12-2 are integrally formed, the chain expanding mechanism 12 formed by integrally forming the chain container 12-1 and the swing arm 12-2 is convenient to assemble, and the assembling relationship of the whole chain expanding device is simple. And the chain container 12-1 and the rocker arm 12-2 are integrally formed into a whole, and the connection between the two is tight and firm, so that the rocker arm 12-2 is favorable for driving the chain container 12-1 to rotate relative to the fixing plate 11 together.

Referring to fig. 1, in one embodiment, further, the chain container 12-1 and the swing arm 12-2 are detachably connected by a fastener 13.

In this particular example, the chain container 12-1 and the swing arm 12-2 are connected together by a fastener 13, the fastener 13 may be, for example, a rivet or a bolt; further specifically, a first through hole 12-11 for connecting a fastening piece 13 is formed in the chain container 12-1, a second through hole 12-21 for connecting the fastening piece 13 is formed in the rocker arm 12-2, the fastening piece 13 is connected into the first through hole 12-11 and the second through hole 12-21, and the chain container 12-1 is connected with the rocker arm 12-2; the chain container 12-1 can be detached from the swing arm 12-2 by loosening the fastener 13. The detachable connection of the chain container 12-1 and the rocker arm 12-2 through the fastener 13 can facilitate the repair of the chain-opening mechanism 12, and when one of the chain container 12-1 and the rocker arm 12-2 is damaged, the whole chain-opening mechanism 12 is not scrapped, and the damaged part can be replaced correspondingly.

Referring to fig. 1, in one embodiment, an elastic member 14 is further disposed between the swing arm 12-2 and the fixing plate 11.

In this particular example, the elastic member 14 disposed between the swing arm 12-2 and the fixing plate 11 may provide a restoring force to restore the tension chain mechanism 12 when the tension chain mechanism 12 rotates with respect to the fixing plate 11. Further specifically, the elastic member 14 may be, for example, a coil spring.

More specifically, the fixing piece 11 may be made of a metal material; the spiral spring can be made of stainless steel or manganese steel; the rocker arm 12-2 can be made of plastic or polyamide; the chain container 12-1 can be made of modified polypropylene.

Referring to fig. 1, in one embodiment, further, a receiving groove is opened on a side surface of the swing arm 12-2 facing the fixing plate 11, and a portion of the elastic member 14 is disposed in the receiving groove.

In this specific example, a receiving groove matched with the elastic member 14 is formed in the side surface of the rocker arm 12-2, the elastic member 14 is fitted into the receiving groove, a part of the elastic member 14 is located in the receiving groove, and the other part of the elastic member 14 extends out of the receiving groove and abuts against the fixed plate 11; after the rocker arm 12-2 is connected with the fixing plate 11, the fixing plate 11 presses the elastic member 14, and the elastic member 14 can provide elastic restoring force between the tensioning mechanism 12 and the fixing plate 11.

Referring to fig. 1, in one embodiment, further, a clamping groove 12-10 is formed in the outer top surface of the chain container 12-1, and the bottom of the rocker arm 12-2 is in matched clamping connection with the clamping groove 12-10.

In this specific example, on the basis that the chain container 12-1 is detachably connected with the rocker arm 12-2 through the fastener 13, when the chain container 12-1 is connected with the rocker arm 12-2, the bottom of the rocker arm 12-2 is firstly aligned and placed in the clamping groove 12-10 of the chain container 12-1, and then the fastener 13 is used for fixing the chain container 12-1 and the rocker arm 12-2. More specifically, the chain container 12-1 is provided with a connecting lug 12-12 beside the clamping groove 12-10, and a first through hole 12-11 is formed in the connecting lug 12-12.

Further specifically, in the embodiment that the chain container 12-1 is connected with the swing arm 12-2 through the fastening piece 13, the fastening piece 11 may be further connected through the fastening piece 13, that is, the fastening piece 11 is provided with a third through hole 110 for connecting the fastening piece 13, and the fastening piece 13 sequentially passes through the first through hole 12-11 on the connecting lug 12-12 of the chain container 12-1, the second through hole 12-21 on the swing arm 12-2, the coil spring, and the third through hole 110 on the fastening piece 11; wherein the second through hole 12-21 of the swing arm 12-2 communicates with a receiving groove for receiving a coil spring. Wherein, the rocker arm 12-2 is coaxially and rotatably connected with the fixed plate 11.

Referring to fig. 1, in one embodiment, further, a first protrusion 111 is provided at a side of the fixing plate 11, and a second protrusion 12-20 is provided at a side of the swing arm 12-2, and the second protrusion 12-20 may abut against the first protrusion 111 in a case where the swing arm 12-2 rotates with respect to the fixing plate 11.

In this particular example, when the rocker arm 12-2 is rotated relative to the stationary plate 11, the rocker arm 12-2 cannot rotate any further when the rocker arm 12-2 rotates to a position where the second boss 12-20 abuts against the first boss 111, and therefore the second boss 12-20 and the first boss 111 are disposed to limit the rotation of the rocker arm 12-2.

Referring to fig. 2, according to another embodiment of the present application, there is provided a vehicle including a body 2, a chain 3, and the chain tensioning device 1 as described above; the fixing piece 11 is fixedly connected with the body 2, and the chain 3 passes through the passage part 120.

In the vehicle that this application embodiment provided, owing to set up a chain device 1, can play the effect of support to chain 3 to can reconcile the elasticity degree of chain 3 through a chain device 1, effectively reduce the chain of vehicle and take place the risk that drops.

Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.

Claims

1. A chain tensioner, characterized in that, the chain tensioner is applied to a vehicle, the chain tensioner includes:

the fixing plate (11), the said fixing plate (11) is fixedly connected with body of the vehicle;

the chain stretching mechanism (12), the chain stretching mechanism (12) is rotatably connected with the fixing plate (11);

a channel part (120) allowing a chain of a vehicle to pass through is arranged in the chain stretching mechanism (12);

the chain tensioning mechanism (12) is configured to: the chain for driving the vehicle rotates relative to the fixed plate (11) so as to adjust the tightness of the chain.

2. Tensioning device according to claim 1, characterized in that the tensioning means (12) has a first and a second inner bottom surface arranged opposite each other, the channel portion (120) being located between the first and the second inner bottom surface;

a first boss (121) is arranged on the first inner bottom surface in a protruding mode towards the second inner bottom surface, and first sliding rails (122) used for being connected with a chain of a vehicle in a matched mode are formed on two sides of the first boss (121); the second inner bottom surface is provided with a second boss (123) towards the first inner bottom surface in a protruding mode, and second sliding rails (124) used for being connected with a chain of a vehicle in a matched mode are formed on two sides of the second boss (123).

3. Tensioning device according to claim 1, characterized in that the tensioning mechanism (12) comprises a chain container (12-1) and a rocker arm (12-2), the channel part (120) opening into the chain container (12-1); the rocker arm (12-2) is rotatably connected with the fixed plate (11).

4. A tensioning device according to claim 3, characterized in that the chain container (12-1) and the rocker arm (12-2) are provided as one piece.

5. Tensioning device according to claim 3, characterized in that the chain container (12-1) and the swing arm (12-2) are detachably connected by means of a fastener (13).

6. Tensioning device according to claim 3, characterized in that an elastic member (14) is arranged between the rocker arm (12-2) and the fixed plate (11).

7. Tension chain device according to claim 6, characterized in that the side of the rocker arm (12-2) facing the fixed plate (11) is provided with a housing groove in which a portion of the elastic element (14) is arranged.

8. A tensioning device according to claim 5, characterized in that the outer top surface of the chain container (12-1) is provided with a clamping groove (12-10), and the bottom of the rocker arm (12-2) is matched and clamped with the clamping groove (12-10).

9. Tensioning device according to claim 3, characterized in that the side of the fixed plate (11) is provided with a first boss (111) and the side of the rocker arm (12-2) is provided with a second boss (12-20), the second boss (12-20) being abuttable against the first boss (111) in case of a rotation of the rocker arm (12-2) with respect to the fixed plate (11).

10. A vehicle, characterized in that it comprises a body (2), a chain (3) and a chain tensioning device (1) according to any one of claims 1 to 9; the fixing piece (11) is fixedly connected with the body (2), and the chain (3) penetrates through the channel part (120).