CN216597853U

CN216597853U - Battery pack connecting device and vehicle

Info

Publication number: CN216597853U
Application number: CN202122518273.3U
Authority: CN
Inventors: 胡广伟; 马洪涛; 李圭成
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-24
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to the field of batteries, and discloses a connecting device of a battery pack and a vehicle, wherein the connecting device comprises a clamping part, a clamping part and a locking part, one of the clamping part and the clamping part can be connected to a vehicle body, the other one of the clamping part and the clamping part can be connected to the battery pack, the locking part is sleeved on the clamping part and can move between a locking position and an unlocking position relative to the clamping part, and in the locking position, the locking part limits the clamping part to be opened so as to clamp the clamping part; in the unlocked position, the locking portion allows the clamping portion to open to allow the clamping portion to enter or exit the clamping portion. Through above-mentioned technical scheme, connecting device's simple structure, the part is less relatively, can realize the quick connection or the disconnection of automobile body and battery package, the operation of being convenient for.

Description

Battery pack connecting device and vehicle

Technical Field

The utility model relates to the field of batteries, in particular to a connecting device of a battery pack and a vehicle.

Background

In recent years, with the development of new energy, power battery technology is rapidly developed, and the country encourages the development of new energy industries and also pays more attention to the influence of power battery development on national power grids, encourages planned use of electric power resources,

the battery pack quick-change technology is also more and more emphasized by the nation and enterprises, the domestic mainstream host factory already has related technical application, the battery pack quick-change technology not only solves the problem of the driving mileage of the electric automobile, but also avoids the influence of quick charging on the national power grid, realizes the purpose of planning more reasonable utilization of national power resources, and has wide development prospect.

At present, each large battery replacement manufacturer has a self battery replacement package quick-change connection mode, but all the schemes are different, so that how to realize higher efficiency and whether to quickly replace batteries is an important problem of the structural design of the quick-change battery package, and how to realize the reliability and the quickness of fixing the battery package and a vehicle body becomes the key of the structural design of the quick-change battery package.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connecting device of a battery pack, which can more quickly and reliably complete the replacement of the battery pack of a vehicle.

In order to achieve the above object, an aspect of the present invention provides a connection device of a battery pack, wherein the connection device includes a clamping portion, one of which is connectable to a vehicle body and the other of which is connectable to the battery pack, and a locking portion that is fitted to the clamping portion and is movable relative to the clamping portion between a locking position, in which the locking portion restricts opening of the clamping portion to clamp the clamping portion, and an unlocking position; in the unlocked position, the locking portion allows the clamping portion to open to allow the clamping portion to enter or exit the clamping portion.

Alternatively, the grip portion comprises two grip blocks hinged to each other at a hinge point.

Optionally, the clamping portion includes a first portion with a smaller outer diameter and a second portion with a larger outer diameter, the first portion being closer to the hinge point than the second portion, the locking portion being at least partially received by the second portion in the locked position, and the locking portion being received by the first portion in the unlocked position.

Optionally, the clamping portion includes a locking block disposed on the first portion, and the locking portion is provided with a sliding slot for receiving the locking block.

Alternatively, in the locked position, the locking piece is located at a first position of the chute, and in the unlocked position, the locking piece is located at a second position of the chute, wherein the first position and the second position are offset from each other in a circumferential direction of the locking portion.

Optionally, an elastic member is arranged between the two clamping blocks.

Optionally, the clamping blocks are respectively connected with support rods opposite to each other, and the elastic pieces are sleeved on the two support rods.

Alternatively, the two clamping blocks are hinged by a rotating shaft, which can be connected to the vehicle body.

Alternatively, the clamping portion includes a ball head and a connecting rod connected to each other, and the clamping portion is capable of clamping the ball head.

In addition, the utility model also provides a vehicle, wherein the vehicle is provided with the connecting device of the battery pack.

Through above-mentioned technical scheme, connecting device's simple structure, the part is less relatively, can realize the quick connection or the disconnection of automobile body and battery package, the operation of being convenient for.

Drawings

Fig. 1 is a perspective view of a connection device of a battery pack according to an embodiment of the present invention;

fig. 2 is a perspective view of a connection device of a battery pack according to an embodiment of the present invention, in which a locking part is not shown;

fig. 3 is a sectional view of a connection device of a battery pack according to an embodiment of the present invention.

Description of the reference numerals

1-clamping block, 2-locking block, 3-rotating shaft, 4-supporting rod, 5-locking part, 6-elastic part, 7-sliding groove, 8-clamping part and 9-ball head.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The utility model provides a connecting device of a battery pack, wherein the connecting device comprises a clamping part, a clamping part 8 and a locking part 5, one of the clamping part and the clamping part 8 can be connected to a vehicle body, the other can be connected to the battery pack, the locking part 5 is sleeved on the clamping part and can move between a locking position and an unlocking position relative to the clamping part, and in the locking position, the locking part 5 limits the opening of the clamping part to clamp the clamping part 8; in the unlocked position, the locking portion 5 allows the clamping portion to be opened to allow the clamping portion 8 to enter or exit the clamping portion.

The clamping portion and the clamping portion 8 are connected to the vehicle body and the battery pack, respectively, and the clamping portion can clamp the clamping portion 8, thereby achieving connection between the battery pack and the vehicle body.

The clamping portion is of a clip construction and can be opened and closed to release or clamp the clamping portion 8.

The locking portion 5 is formed substantially in the shape of a sleeve, and can be fitted over the clamping portion. As a clamp structure, the (at least) two parts of the clamping part rotate around a shaft, the moving distance of the two parts at different positions is different, the opening angle of the clamping part is also different according to the position of the locking part 5 on the clamping part, namely, the locking part 5 can be in an unlocking position and a locking position by moving on the clamping part, the clamping part can be opened at the unlocking position, at the moment, the clamping part 8 can be inserted into or separated from the clamping part, and at the locking position, if the clamping part 8 is positioned in the clamping part, the clamping part can clamp and fix the clamping part 8, so that the clamping part 8 and the clamping part are fixedly connected.

In this scheme, connecting device's simple structure, the part is less relatively, can realize the quick connection or the disconnection of automobile body and battery package, the operation of being convenient for.

Wherein the grip comprises two grip blocks 1 hinged to each other at a hinge point. The two clamping blocks 1 can clamp the fixed clamp together. Wherein, the one end of grip block 1 is articulated in the hinge point department, and the other end is the free end, can be together centre gripping clamping part 8, and when the position that is close to the hinge point was located to the locking portion 5 cover, the free end of two grip blocks 1 can be kept away from each other in order to open, is in the locking state promptly, and when the free end was located to the locking portion 5 cover, the free end of two grip blocks 1 was laminated each other and can not be opened, is in the unblock state promptly.

Alternatively, the clamping part comprises a first part with a smaller outer diameter and a second part with a larger outer diameter, the first part being closer to the hinge point than the second part, in the locked position the locking part 5 is at least partially sleeved on the second part, in the unlocked position the locking part 5 is sleeved on the first part. When the locking part 5 is sleeved on the first part, because a larger space exists between the first part and the locking part 5, the two clamping blocks 1 can be allowed to move to be opened, and when the locking part 5 is sleeved on the second part, the outer periphery of the second part is closely attached to the inner periphery of the locking part 5, and the clamping blocks 1 can be limited to be opened. As shown in fig. 1 and 2, the two clamping blocks 1 are substantially semi-cylindrical and jointly form a cylindrical structure, one section of the cylindrical structure has a smaller outer diameter, the other end of the cylindrical structure has a larger outer diameter, and the tubular locking portions 5 have different limiting effects on the clamping blocks 1 when being sleeved on different parts. In addition, in the unlocked position, the locking portion 5 needs to be located entirely at the first portion, while in the locked position, the locking portion 5 needs to be located only partially at the second portion.

In addition, the clamping part comprises a locking block 2 arranged on the first part, and the locking part 5 is provided with a sliding groove 7 for accommodating the locking block 2. The locking block 2 and the locking portion 5 are attached to each other, and the locking block 2 may be a rod-shaped structure which is inserted into the sliding groove 7, and can limit the movement of the locking portion 5 relative to the clamping portion, limit the uncontrolled movement of the locking portion 5 between the unlocking position and the locking position, and limit the disengagement of the locking portion 5 from the clamping portion. One locking piece 2 can be arranged on each clamping piece 1, or the locking piece 2 can be arranged on only one clamping piece 1.

In addition, in the locked position, the locking piece 2 is located at a first position of the slide groove 7, and in the unlocked position, the locking piece 2 is located at a second position of the slide groove 7, wherein the first position and the second position are offset from each other in the circumferential direction of the locking portion 5. As shown in fig. 1, the sliding groove 7 includes a horizontal portion and a vertical portion, wherein when the locking block 2 moves in the vertical portion, relative movement of the locking portion 5 and the clamping portion in the axial direction can be achieved, and the locking portion 5 can be moved between the unlocking position and the locking position; when the locking block 2 is in the horizontal portion, the locking block 2 can be restricted from moving in the vertical direction, so that the locking part 5 is restricted from moving in the vertical direction relative to the clamping part, thereby playing a role in locking and preventing the locking part 5 from moving accidentally. That is, the locking portion 5 needs to be rotated relative to the clamping portion between the unlocking position and the locking position, rather than merely moved relatively in the axial direction, achieving locking restriction of the relative movement therebetween. Wherein the locking part 5 is substantially tubular and the two clamping blocks 1 also enclose a substantially cylindrical shape.

In addition, an elastic piece 6 is arranged between the two clamping blocks 1. As shown in fig. 3, an elastic member 6 is disposed between the two clamping blocks 1, and the elastic member 6 can apply an elastic force to the two clamping blocks 1 to move the two clamping blocks 1 away from each other, so that the two clamping blocks 1 are automatically opened without manual operation when the locking portion 5 is moved to the unlocking position. The elastic member 6 may be a spring, elastic rubber, or other elastic body.

In addition, the clamping blocks 1 are respectively connected with supporting rods 4 which are opposite to each other, and the elastic pieces are sleeved on the two supporting rods 4. The surfaces of the two clamping blocks 1 opposite to each other are respectively connected with a support rod 4, the elastic part 6 is approximately tubular, two ends of the elastic part are sleeved on the two support rods 4, and the support rods 4 can support the elastic part 6.

Furthermore, the two clamping blocks 1 are articulated by a rotation shaft 3, which rotation shaft 3 can be connected to the vehicle body. As shown in fig. 1, hinge holes are formed in the two clamping blocks 1, and the rotating shaft 3 penetrates through the two clamping blocks 1 to hinge the two clamping blocks 1. The rotating shaft 3 may be attached to the vehicle body, and the clamping portion 8 may be attached to the battery pack. Of course, the battery pack may be connected to the vehicle body via the rotation shaft 3 and the clamp portion 8.

Furthermore, the clamping portion 8 comprises a ball 9 and a connecting rod 10 connected to each other, the clamping portion being capable of clamping the ball 9. As shown in fig. 3, the clamping portion includes a ball 9 and a connecting rod 10 connected to the ball 9, the connecting rod 10 can be connected to the battery pack, and arc concave surfaces are formed on the two clamping blocks 1 respectively to be matched with the ball 9, so that the ball 9 can be clamped by the two clamping blocks 1, and the ball 9 is prevented from sliding out from between the two clamping blocks 1.

In addition, the utility model also provides a vehicle, wherein the vehicle is provided with the connecting device of the battery pack. The clamping portion can be connected to the vehicle body or the battery pack, and the clamping portion 8 can be connected to the battery pack or the vehicle body, and the clamping portion and the battery pack can be quickly connected to achieve connection of the battery pack and the vehicle body.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the individual specific technical features in any suitable way. The utility model is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. A connecting device of a battery pack, characterized in that the connecting device comprises a clamping portion, a clamping portion (8), and a locking portion (5), one of the clamping portion and the clamping portion (8) being connectable to a vehicle body and the other being connectable to a battery pack, the locking portion (5) being fitted to the clamping portion and being movable relative to the clamping portion between a locking position, in which the locking portion (5) restricts the clamping portion from opening to clamp the clamping portion (8); in the unlocked position, the locking portion (5) allows the clamping portion to open to allow the clamping portion (8) to enter or exit the clamping portion.

2. Connection device for battery packs, according to claim 1, characterized in that the clamping part comprises two clamping blocks (1) hinged to each other at a hinge point.

3. A battery pack connecting device according to claim 2, wherein said holding portion comprises a first portion with a smaller outer diameter and a second portion with a larger outer diameter, said first portion being closer to said hinge point than said second portion, said locking portion (5) being at least partially nested in said second portion in said locked position, and said locking portion (5) being nested in said first portion in said unlocked position.

4. A battery pack connecting device according to claim 3, wherein the clamping portion comprises a locking block (2) provided on the first portion, and the locking portion (5) is provided with a slide groove (7) for receiving the locking block (2).

5. The battery pack connecting device according to claim 4, wherein the locking piece (2) is located at a first position of the slide groove (7) in the locked position, and the locking piece (2) is located at a second position of the slide groove (7) in the unlocked position, wherein the first position and the second position are offset from each other in a circumferential direction of the locking portion (5).

6. The connection device of battery pack according to claim 2, characterized in that an elastic member (6) is provided between the two clamping blocks (1).

7. The connecting device of the battery pack according to claim 6, wherein the clamping blocks (1) are respectively connected with support rods (4) opposite to each other, and the elastic member (6) is sleeved on the two support rods (4).

8. The connection device of battery packs, according to claim 2, characterized in that the two clamping blocks (1) are hinged by a rotation shaft (3), the rotation shaft (3) being connectable to the vehicle body.

9. Connection device of a battery pack according to claim 2, characterized in that the clamping part (8) comprises a ball head (9) and a connection rod (10) connected to each other, the clamping part being able to clamp the ball head (9).

10. A vehicle, characterized in that the vehicle is provided with a connection device of a battery pack according to any one of claims 1-9.