CN210837905U

CN210837905U - Battery module pencil coupling assembling, battery module pencil switching base and battery package

Info

Publication number: CN210837905U
Application number: CN201922021567.8U
Authority: CN
Inventors: 魏艳彬; 唐丽娟; 李卫华; 王珏; 马腾; 李晓磊
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-06-23
Anticipated expiration: 2029-11-20

Abstract

The utility model relates to a battery pack manufacturing field discloses a battery module pencil coupling assembling, battery module pencil switching base and battery pack, and this battery module pencil coupling assembling includes plate (100) in the battery module and connecting piece (200) fixed on the plate, has seted up depressed part (110) on the border of plate, and the connecting piece includes bellying (210) and connecting portion (220) that are used for connecting the outside pencil that connect each other; the length direction of the plate is set to be Y direction, the protruding part and the recessed part are correspondingly arranged and embedded in the recessed part (110), so that the connecting piece is limited in the Y direction of the plate, and the connecting part is positioned outside the edge of the plate. The utility model discloses a set up the depressed part on the plate border to correspond the setting with the bellying of connecting piece and this depressed part, make the bellying inlay and establish in the depressed part, realized spacing to the connecting piece on the length direction along the plate, simple structure is compact, connects firmly.

Description

Battery module pencil coupling assembling, battery module pencil switching base and battery package

Technical Field

The utility model relates to a power battery makes technical field, specifically relates to battery module pencil coupling assembling, battery module pencil switching base and battery package.

Background

The power battery is used as a core power supply system in the electric automobile and generally consists of monomer battery cores connected in series and parallel, the currents of all the monomer battery cores connected in series and parallel are converged to a high-voltage output end, and the high-voltage output end is connected with a copper bar to output power so as to provide energy for the automobile form. The fixed mode of the connection base of the high voltage output end of the existing power battery is of a structure such as bolt connection and clamping which are commonly used, but the existing connection mode is difficult to achieve the simultaneous limitation in X, Y and Z directions, therefore, the existing fixed mode leads to the problem that the connection base of the high voltage output end is not firm enough, the local heating of the high voltage wire harness switching part occurs, and the fire disaster can be caused in serious conditions, so that the great potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the unstable problem of connection that prior art exists, provide battery module pencil coupling assembling, battery module pencil switching base and battery package, through set up the depressed part on the plate border to correspond the setting with the bellying of connecting piece and this depressed part, make the bellying inlay and establish in the depressed part, realized spacing to the connecting piece on the length direction along the plate, simple structure is compact, connects firmly.

In order to realize the above object, the utility model provides an aspect provides a battery module pencil coupling assembling, plate in including the battery module with fix connecting piece on the plate, the depressed part has been seted up on the border of plate, the connecting piece is established including the bellying that connects each other and the connecting portion that is used for connecting outside pencil the length direction of plate is the Y direction, the bellying with the depressed part corresponds the setting and inlays to be established in the depressed part, make the connecting piece is in the plate spacing on the Y direction, connecting portion are located the border outside of plate.

Preferably, the recessed portion comprises a bottom wall and side walls located on two sides of the bottom wall, the protruding portion comprises a top wall and outer walls located on two sides of the top wall, one of the side walls and the outer walls is provided with a convex strip, and the other one of the side walls and the outer walls is provided with a sliding groove; establish the direction of height of plate is the Z direction, the sand grip inlays to be established in the spout, make the connecting piece be in the plate the Z direction is spacing.

Preferably, the length of the sliding groove and the protruding strip is equal to the thickness of the plate.

Preferably, the width of the protruding portion is greater than the thickness of the plate, and the length of the sliding groove is less than the thickness of the plate.

Preferably, the thickness direction of the plate is set to be the X direction, one of the bottom wall and the top wall is provided with a clamping groove, the other one is correspondingly provided with a clamping hook, and the clamping hook is embedded in the clamping groove for positioning, so that the connecting piece is limited in the X direction of the plate.

Preferably, the clamping groove and the clamping hook are correspondingly arranged on two sides of the bottom wall and the top wall.

Preferably, the hook includes a cantilever provided at both sides of a top wall of the boss and a hook provided on the cantilever.

Preferably, the connecting portion include the connection platform and enclose and establish connection platform edge be used for being outside pencil spacing fender wall, be equipped with on the connection platform and be used for fixing the mounting of outside pencil.

The utility model discloses the second aspect provides a battery module pencil switching base, include as above battery module pencil coupling assembling, the plate is the end plate of battery module, and busbar and copper bar pass through the connecting piece is fixed on the end plate.

The utility model discloses the third aspect provides a battery package, include as above battery module pencil adapter.

Through above-mentioned technical scheme, through set up the depressed part on the plate border to correspond the setting with the bellying of connecting piece and this depressed part, make the bellying inlay and establish in the depressed part, realized spacing to the connecting piece on the length direction along the plate, simple structure is compact, connects firmly.

Drawings

Fig. 1 is a schematic structural diagram of a plate according to an embodiment of the present invention;

fig. 2 is a schematic view of a connecting member according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a relative position of a battery module harness connection assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of an overall structure of a battery module harness connection assembly according to an embodiment of the present invention;

fig. 5 is an assembly cross-sectional view of a battery module harness connection assembly according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is an enlarged view of part B of FIG. 6;

fig. 8 and 9 are an exploded schematic view and an assembled schematic view of a battery module harness adapter base according to an embodiment of the present invention.

Description of the reference numerals

100 plate 110 bottom 111 side wall 113 raised strip 114 trough 200 connecting piece 210 top wall 212 outer wall 213 trough 214 trough 2141 cantilever 2142 hook body 2143 gap 220 connecting piece 221 connecting platform 222 retaining wall 223 bolt hole 224 bolt 300 end plate 400 bus bar 500 copper bar

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" generally refer to the inner and outer relative to the profile of the components themselves; "distal and proximal" generally refer to distance relative to the contour of the components themselves.

As shown in fig. 1 to 4, the utility model provides a battery module pencil coupling assembling, including plate 100 in the battery module with fix connecting piece 200 on the plate 100, depressed part 110 has been seted up on the border of plate 100, connecting piece 200 includes bellying 210 and the connecting portion 220 that is used for connecting outside pencil that connects each other, bellying 210 with depressed part 110 corresponds the setting and inlays and establish in depressed part 110, connecting portion 200 is located the border outside of plate 100. As can be seen from the above, the present invention provides a concave portion 110 on the edge of the plate, and the protruding portion 210 of the connecting member 200 is disposed corresponding to the concave portion 110, so that the protruding portion 210 is embedded in the concave portion 110, and in the length direction along the plate 100, namely: the limiting of the connecting piece 200 is realized in the Y direction, the structure is simple and compact, and the connection is stable.

In order to make the connection between the plate 100 and the connecting member 200 more stable, the concave portion 110 includes a bottom wall 111 and side walls 112 located at two sides of the bottom wall 111, the protruding portion 210 includes a top wall 211 and outer walls 212 located at two sides of the top wall 211, the side walls 112 and the outer walls 212 are respectively and correspondingly provided with a protruding strip 113 and a sliding slot 213, and the protruding strip 113 is embedded in the sliding slot 213. In the embodiment shown in fig. 1 to 4, the sliding groove 213 is disposed on the outer wall 212, and the protruding strip 113 is correspondingly disposed on the side wall 112, but in practical application, it is not limited to this, and it is also possible that the sliding groove is disposed on the side wall, and the protruding strip is correspondingly disposed on the outer wall, as long as both are correspondingly disposed, and by embedding the protruding strip in the sliding groove, the height direction of the plate 100 and the connecting member 200 in the plate 100 is realized, that is: the connection member 200 is limited in the Z direction. Of course, in practice, the engagement relationship between the protruding strip and the sliding groove can also limit the connecting member 200 along the length direction of the plate member 100.

As shown in fig. 5 to 7 in conjunction with fig. 1 to 4, it should be noted that, in different embodiments, different corresponding relationships may exist between the width of the connecting member 200 and the thickness of the plate member 100, in the embodiment shown in fig. 4, it is obvious that the width of the connecting member 200 is greater than the thickness of the plate member 100, and in this embodiment, the lengths of the sliding slot 213 and the protruding strip 113 may be equal to the thickness of the plate member 100; the width of the protruding portion 210 may be larger than the thickness of the plate 100, the length of the protruding strip 113 is equal to the thickness of the plate 100, and the length of the sliding groove 213 is smaller than the thickness of the plate 100.

Therefore, at the same time, after the above-described limit of the connecting member 200 with respect to the plate member 100 in the Y and Z directions is satisfied, in order to further increase the thickness direction of the plate member 100, that is: the limiting in the X direction is realized, a clamping groove 114 is formed in the bottom wall 111, a clamping hook 214 is correspondingly arranged on the top wall 211, and the clamping hook 214 is embedded in the clamping groove 114 for positioning. For convenience of connection, the locking slot 114 and the locking hook 214 are correspondingly disposed on two sides of the bottom wall 111 and the top wall 211, near the side wall 112 and the outer wall 212. Further, in order to facilitate the user to detach the connecting member 200 from the plate member 100, the hook 214 includes a cantilever 2141 disposed at both sides of the top wall 211 of the protrusion 210 and a hook 2142 disposed on the cantilever 2141. Because the cantilever 2141 of the hook 214 is configured to have one end as a fixed end connected to the protrusion 210 and the other end as a free end, and the hook 2142 is disposed at a position close to the free end, a certain gap 2143 is formed between the free end and the protrusion 210, which can generate a proper position change along the height direction of the protrusion 210, and can generate a proper elastic deformation when the connecting element 200 is mounted on the plate 100 or when the connecting element 200 is removed from the plate 100, so as to facilitate the hook 2142 to be inserted into the slot 114 or removed from the slot 114.

In addition, as shown in fig. 2 in combination with fig. 8, in order to facilitate connection and positioning of the external member on the connection member 200, the connection portion 220 includes a connection platform 221 and a blocking wall 222 surrounding the edge of the connection platform 221, and the connection platform 221 is provided with a fixing member for fixing the external member, such as: the fixing member may include a screw hole 223 opened on the platform 221 and a bolt 224 for fixing the external member to the platform 221. Of course, threaded connection is only one of them more common connected mode, also can be through fixing external member on connecting piece 200 including riveting, welding and so on mode, can select to set up corresponding connection structure on connecting piece 200 according to the connected mode of difference, all belong to the utility model discloses an within the scope is no longer described herein.

As shown in fig. 8 and combine fig. 9, the utility model also provides a battery module pencil switching base, include as above battery module pencil coupling assembling, the plate is the end plate 300 of battery module, and busbar 400 and copper bar 500 pass through connecting piece 200 is fixed on the end plate 300, and concrete connected mode is for fixing busbar 400 and copper bar 500 correspondence in the screw 223 on platform 221 through bolt 224 to realize the switching of this battery module pencil switching base.

Furthermore, the utility model provides a battery package, include as above battery module pencil adapter through this battery module pencil switching base, realize the fixed switching of pencil in the battery package on the end plate. It should be noted that, in addition to the plate member being the end plate 300 in the embodiment shown in fig. 8 and 9, for other plate members, the battery module harness connecting assembly may also be used to achieve the connection and fixation between the plate member and the external member.

The assembling and disassembling process of the connector 200 of the present invention on the plate 100 and the process of the external member being fixed on the plate 100 by the connector 200 through the transfer will be described in detail below with reference to fig. 1 to 9:

as shown in fig. 1 to 7, the connecting member 200 is inserted into the recess 110 of the plate member 100 from one side of the plate member 100, so that the connecting member 200 is fixed in the Y direction; meanwhile, the convex strips 113 on the two sides of the plate 100 are inserted into the corresponding slide grooves 213 of the connecting piece 200, so that the connecting piece 200 is limited in the Z direction; when the protruding strips 113 on both sides of the plate 100 completely enter the corresponding sliding slots 213 of the connecting member 200, the connecting member 200 is mounted in place, and the two hooks 214 at the bottom of the connecting member 200 are engaged with the corresponding slots 114 of the plate 100 to limit the movement of the connecting member 200 in the X direction. As shown in fig. 8 and 9, after the plate 100 and the connector 200 are engaged, the connector 200 is stably mounted, which is critical for connecting the busbar 400 and the copper bar 500. When the connecting member 200 needs to be detached from the plate member 100, the connecting member 200 can be detached from the plate member 100 only by pressing the free ends of the two hooks 214 at the bottom of the connecting member 200 upwards along the Z direction, so that the free ends deform to allow the hook portions 2142 to be disengaged from the engaging grooves 114, and pushing out the connecting member 200 along the reverse direction of the installation.

To sum up, the utility model provides a this kind of battery module pencil coupling assembling, battery module pencil switching base and battery package can all be effectively spacing on X, Y and Z direction, simple structure, and the joint is firm, and is with low costs and easy dismounting. It is required to explain, the utility model provides a battery module pencil coupling assembling not only can be arranged in the switching of battery module pencil among the power battery, can regard as any needs plate and external member to be connected structurally.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The utility model discloses an in the technical conception scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, for example, sand grip and spout, trip and draw-in groove as long as correspond the setting each other, can form firm connection spacing relation can, set up separately on which face of corresponding surface, can select according to actual structure's setting needs. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A battery module wire harness connecting component comprises a plate (100) in a battery module and a connecting piece (200) fixed on the plate (100), and is characterized in that a concave part (110) is arranged on the edge of the plate (100), and the connecting piece (200) comprises a convex part (210) and a connecting part (220) which are connected with each other and used for connecting an external wire harness;

establish the length direction of plate (100) is the Y direction, bellying (210) with depressed part (110) correspond the setting and inlay and establish in depressed part (110), make connecting piece (200) are in plate (100) spacing on the Y direction, connecting portion (220) are located the border outside of plate (100).

2. The battery module wire harness connection assembly according to claim 1, wherein the recess (110) comprises a bottom wall (111) and side walls (112) located on both sides of the bottom wall (111), the protrusion (210) comprises a top wall (211) and outer walls (212) located on both sides of the top wall (211), one of the side walls (112) and the outer walls (212) is provided with a protruding strip (113), and the other is provided with a sliding groove (213);

establish the direction of height of plate (100) is the Z direction, sand grip (113) are inlayed and are established in spout (213), make connecting piece (200) be in plate (100) the Z direction is spacing.

3. The battery module wire harness connection assembly according to claim 2, wherein the length of the sliding groove (213) and the protruding strip (113) is equal to the thickness of the plate (100).

4. The battery module wire harness connection assembly according to claim 2, wherein the width of the boss (210) is greater than the thickness of the plate (100), and the length of the runner (213) is less than the thickness of the plate (100).

5. The battery module wire harness connection assembly according to claim 2, wherein the thickness direction of the plate (100) is set to be an X direction, one of the bottom wall (111) and the top wall (211) is provided with a clamping groove (114), the other one is correspondingly provided with a clamping hook (214), and the clamping hook (214) is embedded in the clamping groove (114) for positioning, so that the connection member (200) is limited in the X direction of the plate (100).

6. The battery module harness connection assembly of claim 5, wherein the snap groove (114) and the snap hook (214) are correspondingly disposed on both sides of the bottom wall (111) and the top wall (211).

7. The battery module harness connection assembly of claim 5, wherein the hook (214) comprises a cantilever (2141) disposed on both sides of the top wall (211) of the boss (210) and a hook body (2142) disposed on the cantilever (2141).

8. The battery module wire harness connection assembly of claim 1, wherein the connection portion (220) comprises a connection platform (221) and a blocking wall (222) surrounding the edge of the connection platform (221) and used for limiting the external wire harness, and a fixing member used for fixing the external wire harness is arranged on the connection platform (221).

9. A battery module harness adapter base comprising the battery module harness connection assembly of any one of claims 1-8, wherein the plate is an end plate (300) of a battery module, and wherein a bus bar (400) and a copper bar (500) are fixed to the end plate (300) by the connector (200).

10. A battery pack comprising the battery module harness adapter base of claim 9.