CN210156474U

CN210156474U - Copper bar connecting piece, battery pack with same and vehicle

Info

Publication number: CN210156474U
Application number: CN201921349332.5U
Authority: CN
Inventors: 于莉; 宋雷雷; 孙永刚
Original assignee: Dongsoft Ruichi Automotive Technology (shenyang) Co Ltd
Current assignee: Dongsoft Ruichi Automotive Technology (shenyang) Co Ltd; Neusoft Reach Automotive Technology Shenyang Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-03-17
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a copper bar connecting piece, battery package and vehicle that have this copper bar connecting piece, the copper bar connecting piece includes the connecting seat, the middle part top surface of connecting seat is equipped with the connecting hole for connect the copper bar of battery package, the both ends top surface of connecting seat is equipped with the bolt through-hole, is used for connecting the casing of battery package, the both ends top surface of connecting seat is less than the middle part top surface of connecting seat, this kind of connection structure, the steadiness is high, can effectively alleviate the impact collision of copper bar and neighbouring part. In addition, the copper bar connecting piece further comprises a protective cover, wherein the protective cover is detachably arranged on the connecting seat and covers the middle top surface of the connecting seat, so that the connecting position of the copper bar is in a shielded state, electric shock can be effectively prevented, and the copper bar connecting piece has high safety.

Description

Copper bar connecting piece, battery pack with same and vehicle

Technical Field

The utility model relates to an automobile battery technical field, in particular to copper bar connecting piece, battery package and vehicle that have this copper bar connecting piece.

Background

Adjacent copper bars in the battery pack need to be connected together to play a role in conducting electricity and supporting.

The copper bar of current battery package is connected the steadiness relatively poor, and at vibration, in-process such as impact, the copper bar can produce the impact with the part that closes on, leads to battery package working property worsen, life shortens. Moreover, the copper bar connection is in a naked state, so that the electric shock risk is caused, and the safety is poor.

In view of this, how to improve the connection stability and the safety of the copper bar is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a copper bar connecting piece and have battery package and vehicle of this copper bar connecting piece.

The utility model provides a copper bar connecting piece, which comprises a connecting seat, wherein the top surface of the middle part of the connecting seat is provided with a connecting hole for connecting a copper bar of a battery pack; the top surfaces of the two ends of the connecting seat are provided with bolt through holes for connecting the shell of the battery pack; the top surfaces of the two ends of the connecting seat are lower than the top surface of the middle part of the connecting seat.

The connecting structure is high in stability, and impact collision between the copper bar and adjacent parts (including the end parts of the shell and the connecting seat and the like) can be effectively relieved.

Further, the bolt through hole is a countersunk hole, and the depth of the countersunk hole is greater than the height of the head of the bolt.

Furthermore, the connecting hole is a threaded hole, and the bottom surface of the protective cover is provided with a groove for accommodating the head of a threaded fastener matched with the connecting hole.

Furthermore, the copper bar connecting piece also comprises a protective cover, and the protective cover is detachably arranged on the connecting seat and covers the top surface of the middle part of the connecting seat. Like this, make the hookup location of copper bar be in by the state of sheltering from, can effectively prevent to electrocute like this to have better security. Furthermore, two sides of the middle of the connecting seat are respectively provided with a connecting plate extending upwards, the connecting plates are provided with a bayonet, the protective cover is arranged between the two connecting plates, and the two sides of the protective cover are respectively provided with a clamping protrusion matched with the bayonet.

Furthermore, the outer side surface of the clamping protrusion is a guide inclined surface with the lower end inclined inwards.

Furthermore, two sides of the protective cover are respectively provided with a first limiting convex edge extending along the length direction of the connecting seat, and the bottom surface of the first limiting convex edge is contacted with the top surface of the connecting plate.

Furthermore, the inner side of the connecting plate is provided with a second limiting convex edge extending along the up-down direction and used for contacting with the side edge of the width of the copper bar.

The utility model provides a battery pack, including casing, copper bar and above-mentioned arbitrary copper bar connecting piece, two copper bars of battery pack are the way respectively the both ends of connecting seat are stretched the middle part top of connecting seat to through adapting unit even in the connecting hole.

Furthermore, one of the two copper bars extends along the length direction of the copper bar connecting piece, and the other extends along the width direction of the copper bar connecting piece.

The utility model provides a vehicle includes the battery package, the battery package is above-mentioned arbitrary any the battery package.

Because above-mentioned copper bar connecting piece has above-mentioned technological effect, so have the battery package of above-mentioned copper bar connecting piece and have the vehicle of this battery package and also must have above-mentioned technological effect, no longer describe herein.

Drawings

Fig. 1 is a schematic structural view of a specific embodiment of a copper bar connecting piece provided by the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in a disassembled state;

fig. 3 is the schematic diagram of the battery pack provided by the utility model with two copper bars connected by a copper bar connecting piece.

The reference numerals in fig. 1 to 3 are explained as follows:

1 copper bar connecting piece, 2 copper bar;

11 connecting seats, 111 connecting holes, 112 bolt through holes, 113 connecting plates, 114 bayonets and 115 second limiting convex ridges;

12 a protective cover, 121 a clamping protrusion, 122 a first limiting convex rib and 123 grooves;

13 bolts.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the technical solution of the present invention with reference to the accompanying drawings.

First, it should be noted that the upper, lower, left, right, front and rear described above and below are all relative concepts, and are based on the perspective in the drawings, for the purpose of clearly expressing the structure, and should not be understood as limiting the application orientation of the technical solution.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a copper bar connecting piece according to an embodiment of the present invention; FIG. 2 is a schematic view of the structure of FIG. 1 in a disassembled state; fig. 3 is the schematic diagram of the battery pack provided by the utility model with two copper bars connected by a copper bar connecting piece.

As shown in fig. 1 and 2, the copper bar connecting member 1 includes a connecting seat 11, a connecting hole 111 extending downward from a top surface is provided in a middle portion of the connecting seat 11, bolt through holes 112 penetrating downward from the top surface to a bottom surface are provided at both ends of the connecting seat 11, and top surfaces of both ends of the connecting seat 11 are lower than a top surface of the middle portion of the connecting seat 11.

During the application, bolt 13 passes bolt through-hole 112 and the afterbody is twisted on the casing of battery package from top to bottom, makes connecting seat 11 link firmly in the casing, and two copper bars 2 that wait to connect are stretched to the middle part top of connecting seat 11 and are connected in corresponding connecting hole 111 through adapting unit respectively way both ends of connecting seat 11, and after connecting, two copper bars should be mutual contact to play the electrically conductive effect.

This kind of connection structure, the steadiness is high, and can effectively alleviate the impact collision of copper bar and adjacent part (including the tip etc. of casing and connecting seat 11).

During specific application, as shown in fig. 3, the extending directions of the two copper bars to be connected may be different, for example, one may extend along the length direction of the copper bar connecting piece 1, and the other may extend along the width direction of the copper bar connecting piece 1.

In specific implementation, the bolt through hole 112 is preferably a countersunk hole, and the depth of the countersunk hole is greater than the height of the head of the bolt 13, so that the head of the bolt 13 can be prevented from rubbing against the copper bar.

During specific implementation, the connecting holes 111 may be threaded holes, and the connecting members may be threaded fasteners that pass through the through holes in the copper bars and are screwed into the corresponding connecting holes 111. The connecting hole 111 may also be a clipping hole, and the connecting member may be a clipping column integrally provided with the copper bar, and the clipping column is clipped into the clipping hole. In addition, in practical implementation, the connection hole 111 may be a through hole or a blind hole.

In specific implementation, two groups of connecting holes 111 may be provided, and are respectively connected with two copper bars to be connected, and each group may include one or more connecting holes 111. It is also possible to provide only one connection hole 111, and to screw the same threaded fastener into the connection hole 111 after passing through the through holes of the two copper bars in sequence.

During specific implementation, the connection seat 11 may be configured as a long block, and the width of the connection seat 11 may be slightly larger than the width of the copper bar.

As shown in fig. 1 and 2, the copper bar connector 1 further includes a protective cover 12. The protective cover 12 is detachably mounted on the connecting seat 11 and covers the middle top surface of the connecting seat 11, so that the connecting position of the two copper bars is shielded and is not exposed, electric shock can be effectively prevented, and safety is improved.

In specific implementation, the protection cover 12 may cover only the middle top surface of the connection seat 11, or may cover both the middle top surface of the connection seat 11 and the top surfaces of the two ends of the connection seat 11.

In specific implementation, the bottom surface of the protection cover 12 may be provided with a groove 123 for accommodating the head of the threaded fastener connecting the copper bar and the connecting seat 11.

During specific implementation, the detachable connection between the protective cover 12 and the connection seat 11 can adopt a clamping structure, a threaded connection structure and the like, and the clamping structure is optimized.

Specifically, the clamping structure may be configured as follows: two sides of the connecting base 11 are respectively provided with a connecting plate 113 extending upwards, the connecting plate 113 is provided with a bayonet 114, and two sides of the protective cover 12 are respectively provided with a clamping protrusion 121 matched with the bayonet 114. In the installation state, the protective cover 12 is located between the two connecting plates 113, the clamping protrusion 121 is clamped into the corresponding bayonet 114, the top surface and the bottom surface of the clamping protrusion 121 are respectively abutted against the top wall and the bottom wall of the bayonet 114, so that the upper and the lower positions of the protective cover 12 are fixed, the two side surfaces of the clamping protrusion 121 are abutted against the two side walls of the bayonet 114, so that the left and the right positions of the protective cover 12 are fixed, the two connecting plates 113 are abutted against the front side surface and the rear side surface of the protective cover 12, the front and the rear positions of the protective cover 12 are fixed, and thus, the front.

Preferably, the lower end of the outer side surface (i.e., the side surface close to the corresponding coupling plate 113) of the catching protrusion 121 is inclined inward (i.e., inclined to the side away from the corresponding coupling plate 113), forming a guide slope. This facilitates the installation of the protective cover 12.

It should be noted that, during installation, the copper bar is first connected to the connection hole 111, and after connection, the protection cover 12 is then clamped to the connection seat 11. When the protective cover is detached, the locking protrusion 121 is pressed inwards to enable the locking protrusion 121 to be separated from the bayonet 114, and then the protective cover 12 is lifted upwards to enable the protective cover 12 to be separated from the connecting seat 11.

Preferably, the connecting base 11 and the protection cover 12 are preferably made of plastic, so that on one hand, an insulation effect can be achieved, and on the other hand, the connection base has a certain elastic deformation capability, so that the clamping protrusion 121 can be inwardly deformed when being subjected to an external force to be removed from the clamping opening 114.

Preferably, the two sides of the protection cover 12 are provided with first limiting protruding ridges 122 extending along the length direction of the connection seat 11, and in an assembled state, the bottom surfaces of the first limiting protruding ridges 122 contact with the top surface of the connection plate 113. In this way, in the process of detaching the protective cover 12, after the locking protrusion 121 is disengaged from the locking notch 114, the protective cover 12 will not move downward under the action of the first limiting protrusion 122, which is convenient for detaching the protective cover 12.

Preferably, the inner side of the connecting plate 113 is provided with a second limiting protruding edge 115 extending in the up-down direction, and in an application state, the second limiting protruding edge 115 contacts with the side edge of the width of the copper bar 2, so that the position of the copper bar 2 in the width direction can be accurately limited.

It is right above the utility model provides a copper bar connecting piece and have battery package and vehicle of this copper bar connecting piece carry out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The copper bar connecting piece is characterized by comprising a connecting seat (11), wherein the top surface of the middle part of the connecting seat (11) is provided with a connecting hole (111) for connecting a copper bar of a battery pack; the top surfaces of two ends of the connecting seat (11) are provided with bolt through holes (112) for connecting the shell of the battery pack; the top surfaces of the two ends of the connecting seat (11) are lower than the top surface of the middle part of the connecting seat (11).

2. The copper bar connection according to claim 1, wherein the bolt through hole (112) is a countersunk hole and the depth of the countersunk hole is greater than the height of the head of the bolt.

3. The copper bar connecting piece according to claim 1, further comprising a protective cover (12), wherein the connecting hole (111) is a threaded hole, and the bottom surface of the protective cover (12) is provided with a groove (123) for accommodating the head of a threaded fastener adapted to the connecting hole (111).

4. Copper bar connector according to claim 3, characterized in that the protective cover (12) is detachably mounted to the connecting seat (11) and covers the middle top surface of the connecting seat (11).

5. The copper bar connecting piece according to claim 4, wherein two sides of the middle of the connecting base (11) are respectively provided with a connecting plate (113) extending upwards, the connecting plates (113) are respectively provided with a bayonet (114), the protective cover (12) is installed between the two connecting plates (113), and two sides of the protective cover (12) are respectively provided with a clamping protrusion (121) matched with the bayonet (114).

6. The copper bar connecting piece according to claim 5, wherein the outer side surface of the clamping protrusion (121) is a guide slope with the lower end inclined inwards.

7. The copper bar connector as claimed in claim 5, wherein the two sides of the protective cover (12) are respectively provided with a first limiting protruding rib (122) extending along the length direction of the connecting seat (11), and the bottom surface of the first limiting protruding rib (122) is in contact with the top surface of the connecting plate (113).

8. The copper bar connector as claimed in claim 5, wherein the inner side of the connecting plate (113) is provided with a second limiting protrusion (115) extending in the up-down direction for contacting with the side edge of the width of the copper bar.

9. A battery pack comprising a casing and copper bars, characterized in that it further comprises a copper bar connecting member as claimed in any one of claims 1 to 8, wherein the two copper bars of the battery pack extend above the middle of the connecting base (11) through the two ends of the connecting base (11) respectively and are connected to the connecting holes (111) through connecting members.

10. The battery pack of claim 9, wherein the two copper bars extend one along the length of the copper bar connector and the other along the width of the copper bar connector.

11. A vehicle comprising a battery pack, characterized in that the battery pack is the battery pack according to claim 9 or 10.