CN215816247U

CN215816247U - Bus bar support assembly and battery module

Info

Publication number: CN215816247U
Application number: CN202121409035.2U
Authority: CN
Inventors: 李桥; 李圭成
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-02-11
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of batteries, and provides a bus bar support assembly and a battery module, wherein the bus bar support assembly comprises: the bus bar support main body comprises a main body part and a plurality of inserting parts, each inserting part is sequentially arranged at intervals, a slot is formed between every two adjacent inserting parts, each inserting part is provided with a root and an end part, and the roots are connected to the main body part; the positioning piece is matched with the end part of the insertion part; the end part of at least one insertion part is provided with a first positioning part, the end part of at least one insertion part is provided with a second positioning part, the positioning part is provided with a first positioning matching part and a second positioning matching part, and the second positioning part and the second positioning matching part are in positioning matching through the positioning matching of the first positioning part and the first positioning matching part. The bus bar support main body and the positioning piece can be positioned step by step, the assembly difficulty of the bus bar support main body and the positioning piece is effectively reduced, the assembly efficiency is improved, and the stability of assembly between the bus bar support main body and the positioning piece can be improved.

Description

Bus bar support assembly and battery module

Technical Field

The utility model relates to the technical field of batteries, in particular to a bus bar support assembly and a battery module.

Background

Current battery module is when the assembly busbar support, and the opposite side is worn to the utmost point ear of electric core from one side of busbar support, and utmost point ear is difficult to pass the busbar support, assembles the difficulty, leads to assembly efficiency low.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, in the course of implementing the present invention, the inventors have tried to design the bus bar support to have a slotted structure penetrating through the bottom thereof so that the bus bar support can be inserted between the tabs of the battery cells and connected with the connecting member, thereby achieving assembly. However, the inventor finds that the bus bar support still has great assembly difficulty when being connected with the connecting part, and the bus bar support is poor in stability after being assembled. The inventor provides a busbar support subassembly to assemble the difficult and relatively poor technical problem of assembly back steadiness when solving among the prior art busbar support and adapting unit and assembling mutually.

To achieve the above object, the present invention provides a busbar bracket assembly, including: the battery cell inserting device comprises a busbar support main body, wherein the busbar support main body comprises a main body part and a plurality of inserting parts, the inserting parts are sequentially arranged at intervals, a slot for inserting a tab of a battery cell is formed between every two adjacent inserting parts, each inserting part is provided with a root and an end part, and the root is connected to the main body part; the positioning piece is used for being matched with the end part of the inserting part; the end part of at least one insertion part is provided with a first positioning part, the end part of at least one insertion part is provided with a second positioning part, the positioning part is provided with a first positioning matching part matched with the first positioning part and a second positioning matching part matched with the second positioning part, and the second positioning part is matched with the second positioning matching part in a positioning way through the positioning matching of the first positioning part and the first positioning matching part.

The technical scheme of the utility model at least has the following technical effects or advantages: the bus bar support assembly provided by the utility model is provided with a bus bar support main body and a positioning piece, wherein the bus bar support main body comprises a main body part and a plurality of inserting parts, the root parts of the inserting parts are connected with the main body part, the inserting parts are sequentially arranged at intervals, and a slot is formed between every two adjacent inserting parts, so that the inserting parts can be inserted between lugs of a battery cell and the lugs can be inserted into the slots; the end part of at least one inserting part is provided with a first positioning part, the end part of at least one inserting part is provided with a second positioning part, the positioning part is provided with a first positioning matching part matched with the first positioning part and a second positioning matching part matched with the second positioning part, and the second positioning part and the second positioning matching part are positioned and matched through the positioning and matching of the first positioning part and the first positioning matching part, so that the inserting part can be firstly positioned and matched with the first positioning matching part through the first positioning part after being inserted between the lugs of the battery cell to realize first-stage positioning, and then the second positioning part is positioned and matched with the second positioning matching part to realize second-stage positioning, thereby forming sequential step-by-step positioning, and the first-stage positioning can form guiding and limiting for the second-stage positioning, so that the freedom degree of the inserting part is reduced step by step, and the busbar support main body is prevented from deviating and being difficult to be accurately matched with the positioning part, the bus bar support main body and the positioning piece are positioned step by step, so that the assembly difficulty between the bus bar support main body and the positioning piece is effectively reduced, and the assembly efficiency is improved; and the first positioning part is matched with the first positioning matching part, and the second positioning part is matched with the second positioning matching part, so that the busbar support main body and the positioning part are assembled to form multi-stage limitation, the busbar support main body is prevented from swinging relative to the positioning part, and the assembling stability between the busbar support main body and the positioning part can be effectively improved.

In one embodiment, the first positioning matching part is a protruding structure protruding from the positioning part; the first positioning part is a concave structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part; the second positioning matching part is a convex structure convexly arranged on the positioning part; the second positioning part is a concave structure concavely arranged on the end part, or the second positioning part is the outer surface of the end part; wherein, the protruding height of establishing of first location cooperation portion is greater than the protruding height of establishing of second location cooperation portion.

By adopting the technical scheme, the first positioning part is firstly matched with the first positioning matching part in a positioning way, and then the second positioning part is matched with the second positioning matching part in a positioning way, so that sequential step-by-step positioning is realized; the first positioning matching part and the second positioning matching part of the positioning piece are both of a convex structure, and the first positioning part and the second positioning part are both of a concave structure or an outer surface of the end part of the insertion part, so that when the insertion parts are inserted between the lugs of the battery cell and then matched with the positioning piece, the concave structure or the outer surface is matched with the convex structure in a positioning way, and the difficulty of the positioning and the matching of the two structures can be reduced; moreover, the inserting part is not required to be provided with a protruding structure for protruding out of the protruding structure of the main body part, so that high machining precision requirements are caused, the machining difficulty of the first positioning part and the second positioning part can be reduced, and the assembling accuracy of the first positioning part and the second positioning part and the first positioning matching part and the second positioning matching part is improved.

In one embodiment, the first positioning part is a protruding structure protruding from the end part; the first positioning matching part is a concave structure concavely arranged on the positioning part, or the first positioning matching part is a convex structure convexly arranged on the positioning part, or the first positioning matching part is the outer surface of the positioning part; the second positioning part is a protruding structure protruding from the end part; the second positioning matching part is a concave structure concavely arranged on the positioning part, or the second positioning matching part is a convex structure convexly arranged on the positioning part, or the second positioning matching part is the outer surface of the positioning part; wherein, the protruding height of setting of first location portion is greater than the protruding height of setting of second location portion.

Through adopting above-mentioned technical scheme, first location portion is at first with first location cooperation portion location fit, reduces the degree of freedom of the tip of interlude portion, and then second location portion is with second location cooperation portion location fit again, realizes fixing a position step by step in proper order.

In one embodiment, the first positioning matching part is a protruding structure protruding from the positioning part; the first positioning part is a concave structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part; the second positioning matching part is a concave structure concavely arranged on the positioning part, and the second positioning part is the outer surface of the end part; or the second positioning matching part is a concave structure concavely arranged on the positioning part, the second positioning part is a convex structure convexly arranged on the end part, and the convex height of the first positioning matching part is greater than that of the second positioning part; or the second positioning matching part is the outer surface of the positioning part, the second positioning part is a protruding structure protruding from the end part, and the protruding height of the first positioning matching part is greater than that of the second positioning part.

Through adopting above-mentioned technical scheme, can realize first location portion at first with first location cooperation portion location fit, then second location portion is with second location cooperation portion location fit again, realizes fixing a position step by step in proper order.

In one embodiment, the second positioning matching part is a protruding structure protruding from the positioning part; the second positioning part is a concave structure concavely arranged on the end part, or the second positioning part is the outer surface of the end part; the first positioning matching part is a concave structure concavely arranged on the positioning part, and the first positioning part is the outer surface of the end part; or the first positioning matching part is a concave structure concavely arranged on the positioning part, the first positioning part is a convex structure convexly arranged on the end part, and the convex height of the first positioning part is greater than that of the second positioning matching part; or the first positioning matching part is the outer surface of the positioning part, the first positioning part is a protruding structure protruding from the end part, and the protruding height of the first positioning part is greater than that of the second positioning matching part.

In one embodiment, the end of at least one insertion part is provided with a third positioning part, and the positioning part is provided with a third positioning matching part matched with the third positioning part; the third positioning part is matched with the third positioning matching part in a positioning way through the positioning matching of the second positioning part and the second positioning matching part.

Through adopting above-mentioned technical scheme, second location portion and second location fit are the location fit back mutually, can rethread third location portion and third location fit are the location fit mutually, realize tertiary location, and the second level location can form the direction and prescribe a limit to for the tertiary location for the third level location, make the degree of freedom of interlude portion be the tertiary and reduce in proper order, further reduce the assembly degree of difficulty between busbar support main part and the setting element, promote assembly efficiency, and can make the steadiness of assembling mutually between busbar support main part and the setting element further improve.

In one embodiment, the first positioning matching part is a protruding structure protruding from the positioning part; the first positioning part is a concave structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part; the second positioning matching part is a convex structure convexly arranged on the positioning part, the second positioning part is a concave structure concavely arranged on the end part, or the second positioning part is the outer surface of the end part; the third positioning matching part is a convex structure convexly arranged on the positioning part, the third positioning part is a concave structure concavely arranged on the end part, or the third positioning part is the outer surface of the end part; the protruding height of the first positioning matching part is greater than that of the second positioning matching part, and the protruding height of the second positioning matching part is greater than that of the third positioning matching part.

By adopting the technical scheme, the first positioning matching part, the second positioning matching part and the third positioning matching part are all convex structures convexly arranged on the positioning part, the convex heights of the first positioning matching part, the second positioning matching part and the third positioning matching part are sequentially reduced, sequential step-by-step positioning is realized, and when the inserting parts are inserted between the lugs of the battery cell and then matched with the positioning part, the inserting parts are both concave structures or outer surfaces and are matched with the convex structures in a positioning way, so that the difficulty of positioning and matching between the first positioning matching part and the second positioning matching part can be reduced; meanwhile, the processing difficulty of the first positioning part, the second positioning part and the third positioning part can be reduced, and the assembly accuracy of the first positioning part, the second positioning part and the third positioning part with the first positioning matching part, the second positioning matching part and the third positioning matching part respectively is improved.

In one embodiment, the end of each insertion part is provided with a first positioning part, a second positioning part and a third positioning part; the number of the third positioning matching parts is multiple, each third positioning matching part is sequentially arranged at intervals along the length direction of the positioning piece, a space for the end part to be placed is formed between every two adjacent third positioning matching parts, and the third positioning parts are the outer surfaces of the end parts; a first positioning matching part and a second positioning matching part are arranged between every two adjacent third positioning matching parts.

By adopting the technical scheme, each inserting part and the positioning piece can form three-stage sequential step-by-step positioning fit, so that the positioning fit accuracy and the assembling stability between the bus bar support main body and the positioning piece can be improved; and, form the space that supplies the tip to put into between two adjacent third location cooperation portions, two surfaces that two adjacent third location cooperation portions are relative can respectively with the relative both sides surface looks location cooperation of tip, can improve and alternate the assembly steadiness between the tip of portion, and do benefit to and reduce the assembly precision between first location portion and the first location cooperation portion, the assembly precision between second location portion and the second location cooperation portion and can only make and have higher assembly precision between third location portion and the third location cooperation portion, can guarantee to alternate the assembly steadiness between portion and the setting element under the circumstances that reduces the processing degree of difficulty.

In one embodiment, the first positioning part is a spigot structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part; the first positioning matching part is provided with a first guide inclined plane, and the first guide inclined plane faces the second positioning matching part; the second positioning part is a concave structure concavely arranged at the end part, the second positioning matching part is a convex column, and one end of the convex column departing from the positioning part is provided with a second guide inclined plane; the third location portion is the surface of tip, is equipped with third direction inclined plane on the third location cooperation portion.

By adopting the technical scheme, the first positioning part is of a spigot structure or the outer surface of the end part and can be matched with a spigot of the first positioning matching part of the protruding structure or matched with the spigot in a sliding guide way, and the end part can be guided towards the second positioning matching part by arranging the first guide inclined plane facing the second positioning matching part when the first positioning part is matched with the first positioning matching part, so that the accurate positioning matching between the second positioning part and the second positioning matching part is facilitated; the convex column is provided with a second guiding inclined plane by arranging the second positioning matching part as the convex column, so that the convex column is favorably matched with the second positioning part of the concave structure in an inserting way; through set up third direction inclined plane on third location cooperation portion, do benefit to the location cooperation between third location portion and the third location cooperation portion.

Another object of the present invention is to provide a battery module, which includes a housing having an accommodating cavity; each battery cell is arranged in the accommodating cavity and is provided with a lug; in the busbar bracket assembly according to any of the embodiments, the busbar bracket assembly is located at one end of the electric core, the tabs of the electric core are inserted into the slots of the busbar bracket main body, and the end portions of the insertion portions are matched with the positioning pieces; and the bus bar is arranged on the bus bar support main body and is electrically connected with the lug of the battery cell.

The technical scheme of the utility model at least has the following technical effects or advantages: according to the battery module provided by the utility model, the bus bar support assembly of the embodiment is adopted, so that the assembly efficiency and the stability of the battery module after assembly can be improved.

In one embodiment, the first positioning matching part is a convex structure convexly arranged on the positioning part, the first positioning part is a spigot structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part; the first positioning matching part is close to the battery cell, and the end part of the first positioning matching part is far away from the battery cell; or the first positioning part is a convex structure convexly arranged at the end part, and the first positioning matching part is a spigot structure concavely arranged on the positioning part, or the first positioning matching part is the outer surface of the positioning part; the setting element is close to in electric core, and first location portion is kept away from in electric core.

By adopting the technical scheme, the first positioning part and the first positioning matching part of the protruding structure form spigot matching or butt matching, the first positioning matching part is of the protruding structure and close to the electric core, and the first positioning part is far away from the electric core, so that when the bus bar support main body is subjected to a force towards the direction of the electric core due to the welding of the lugs, the first positioning matching part can support the bus bar support main body, and the stability is improved; and first location portion and first location cooperation portion are location cooperation at first, therefore the protruding height of establishing of first location portion is the highest, can guarantee that it has higher intensity and guarantee the support effect to busbar support main part when doing benefit to location cooperation. Or, first location cooperation portion forms tang cooperation or butt cooperation with the first location portion of protruding structure, and the setting element is close to in electric core, and first location portion is kept away from in electric core for busbar support main part receives when the power towards electric core direction, and the setting element can support first location portion.

In one embodiment, the first positioning part is matched with the first positioning matching part in an inserting manner, and adhesive glue is arranged between the first positioning part and the first positioning matching part; and/or the second positioning part is matched with the second positioning matching part in an inserting manner, and a bonding adhesive is arranged between the first positioning part and the second positioning part.

Through adopting above-mentioned technical scheme, the bond adhesive can improve the fastness of being connected between first location portion and the first location cooperation portion, and the bond adhesive can improve the fastness of being connected between second location portion and the second location cooperation portion to can improve the steadiness of assembling between busbar support main part and the setting element.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front side schematic view of a busbar support assembly according to an embodiment of the utility model;

FIG. 2 is a rear side view of a busbar support assembly according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a busbar holder according to an embodiment of the utility model;

fig. 4 is a schematic structural diagram of a positioning element according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 4;

FIG. 6 is a first cross-sectional view of the end portion of the positioning member according to an embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of a first embodiment of the present invention illustrating an end portion of a positioning member;

FIG. 8 is a third schematic cross-sectional view of the end portion of the positioning member according to the first embodiment of the present invention;

FIG. 9 is a first schematic cross-sectional view of an end portion of the positioning member according to a second embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view of the second embodiment of the present invention showing the end portion of the second embodiment of the present invention being engaged with the positioning member;

fig. 11 is a third schematic cross-sectional view of the end portion of the second embodiment of the present invention matching with the positioning member;

fig. 12 is a first schematic cross-sectional view illustrating the end portion of the positioning member according to the third embodiment of the present invention;

fig. 13 is a second schematic cross-sectional view of the end portion of the third embodiment of the present invention matching with the positioning member;

fig. 14 is a third schematic cross-sectional view of the end portion of the third embodiment of the present invention matching with the positioning member;

FIG. 15 is a first schematic cross-sectional view illustrating the end portion of the positioning member according to the fourth embodiment of the present invention;

fig. 16 is a second schematic cross-sectional view of the end portion of the fourth embodiment of the present invention cooperating with the positioning member;

fig. 17 is a third schematic cross-sectional view of the end portion of the fourth embodiment of the present invention being engaged with the positioning member;

fig. 18 is a schematic structural diagram of a battery module according to an embodiment of the utility model;

fig. 19 is an exploded schematic view of a battery module according to an embodiment of the utility model.

Wherein, in the figures, the respective reference numerals:

100. a busbar support assembly; 10. a busbar holder main body; 11. a main body portion; 12. a penetration portion; 121. a root portion; 122. an end portion; 101. grooving; 20. a positioning member; 1221. a first positioning portion; 1222. a second positioning portion; 21. a first positioning matching part; 22. a second positioning and matching part; 1223. a third positioning part; 23. a third positioning matching part; 201. a space; 211. a first guide slope; 221. a second guide slope; 231. a third guide slope; 1224. connecting holes; 24. connecting columns; 1000. a battery module; 200. a housing; 300. an electric core; 301. a tab; 400. a bus bar.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

In addition, in the description of the present invention, "a plurality" means two or more, and "at least one" means one or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A plurality of through-holes have been seted up on current busbar support, when assembling on battery module, pass the through-hole and the opposite side with the utmost point ear of electric core from one side of busbar support, not only utmost point ear is difficult to pass the busbar support, and the assembly difficulty leads to assembly efficiency low, and the frock that uses in the assembly is difficult for breaking away from, easily causes dragging of flexible line way board and destroys.

In order to solve the above problems, in the course of the present invention, the inventor has tried to design the bus bar support to have a slot structure penetrating through the bottom thereof, so that the bus bar support can be actively inserted between the tabs of the battery cell and connected with the connecting member after penetrating out, thereby achieving assembly. However, the inventor finds that the busbar support is easy to deflect or have errors when being inserted into the tabs of the battery cell and assembled with the connecting component, and is difficult to be accurately positioned and matched with the connecting component, so that the busbar support still has great assembly difficulty, and is poor in stability after being assembled with the connecting component, and is easy to swing or move under stress. Based on this, the inventors provide the following.

Referring to fig. 1 to 5, an embodiment of the present application provides a busbar support assembly 100 applied to a battery module, where the battery module includes a plurality of battery cells, the busbar support assembly 100 is capable of allowing tabs of the battery cells to penetrate through, a busbar can be mounted on the busbar support assembly 100, so that the tabs can be electrically connected to the busbar, and fig. 19 schematically illustrates a battery module 1000, a battery cell 300, and a busbar 400; of course, in some cases, the bus bar may not be installed, for example, the tabs of the cells to be connected in series may be directly electrically connected; the busbar holder assembly 100 includes a busbar holder main body 10 and a positioning member 20, wherein:

the bus bar support main body 10 includes a main body portion 11 and a plurality of insertion portions 12, each insertion portion 12 has a root portion 121 and an end portion 122, the root portion 121 is connected to the main body portion 11, and the end portion 122 is a free end; the insertion parts 12 are sequentially arranged on the same side of the main body part 11 at intervals, a slot 101 for inserting a tab of a battery cell is formed between two adjacent insertion parts 12, and the tab of the battery cell can be inserted into the slot 101 from an end 122 of the insertion part 12; the main body 11 and the insertion portion 12 may be integrally formed, or may be formed separately and connected to each other; the insertion portion 12 may be substantially long, and may be a plate-shaped structure, a sheet-shaped structure, a column-shaped structure, etc., but is not limited thereto; the main body 11 may have a plate-like structure, a sheet-like structure, a columnar structure, or the like, but is not limited thereto, and may have other structures having regular or irregular shapes for connecting the insertion portions 12. The main body 11 or the insertion portion 12 may be provided with a busbar for electrically connecting a tab of the electric core passing through the slot 101 to the busbar, and specifically, the main body 11 and the insertion portion 12 may be provided with a structure for installing the busbar, such as a positioning column.

The positioning element 20 is used for being matched with the end 122 of the insertion portion 12, so that the insertion portion 12 of the bus bar support main body 10 can be positioned and matched with the positioning element 20 after being inserted between the tabs of the electric core, thereby realizing assembly between the two; the positioning member 20 may be substantially elongated, and the length thereof may be adapted to the length of the bus bar holder body 10; the end 122 of at least one insertion portion 12 may have the first positioning portion 1221, the end 122 of each insertion portion 12 may have the first positioning portion 1221, of course, only one end 122 of one insertion portion 12 may have the first positioning portion 1221, or two or more end 122 of insertion portions 12 may have the first positioning portion 1221; the end 122 of at least one insertion portion 12 may have the second positioning portion 1222, the end 122 of each insertion portion 12 may have the second positioning portion 1222, of course, only the end 122 of one insertion portion 12 may have the second positioning portion 1222, or two or more end 122 of insertion portions 12 may have the second positioning portion 1222; the positioning element 20 has a first positioning matching portion 21 matching with the first positioning portion 1221 and a second positioning matching portion 22 matching with the second positioning portion 1222, the first positioning portion 1221 and the first positioning matching portion 21 may be matched with each other in a spigot joint manner, a sliding guide manner, or an insertion manner, the second positioning portion 1222 and the second positioning matching portion 22 may be matched with each other in a spigot joint manner, a sliding guide manner, or an insertion manner, but is not limited thereto, and any structure that the two portions are matched with each other to be positioned may be implemented; through first location portion 1221 and first location cooperation portion 21 looks location fit and make second location portion 1222 and second location cooperation portion 22 looks location fit, when penetrating portion 12 and setting element 20 cooperate, first location portion 1221 and first location cooperation portion 21 first looks location fit, after first location portion 1221 and first location cooperation portion 21 looks location fit and provide direction and spacing, second location portion 1222 and second location cooperation portion 22 looks location fit again to realize fixing a position step by step.

In the busbar support assembly 100 provided by the embodiment of the application, each inserting part 12 can be actively inserted between the tabs of the battery cell, so that the tabs are inserted into the slots 101, the assembly difficulty of the busbar support can be reduced, the problem that the tabs are difficult to pass through the busbar support in assembly is solved, and the assembly efficiency of the battery module is improved; moreover, the inserting part 12 is inserted between the tabs of the battery cell and then is in positioning fit with the first positioning fit part 21 through the first positioning part 1221 to realize first-stage positioning, and then is in positioning fit with the second positioning fit part 22 through the second positioning part 1222 to realize second-stage positioning, so that sequential step-by-step positioning is formed, and the first-stage positioning can form guiding and limiting for the second-stage positioning, so that the second positioning part 1222 and the second positioning fit part 22 can be accurately matched, the freedom degree of the inserting part 12 is gradually reduced, the busbar support main body 10 is prevented from being deviated and difficult to be accurately matched with the positioning part 20, the busbar support main body 10 and the positioning part 20 are positioned step by step, the positioning is more accurate, the assembly difficulty between the busbar support main body 10 and the positioning part 20 is effectively reduced, and the assembly efficiency is improved; and the first positioning part 1221 is matched with the first positioning matching part 21, and the second positioning part 1222 is matched with the second positioning matching part 22, so that the busbar support main body 10 and the positioning part 20 are assembled to form multi-stage limitation, the busbar support main body 10 is prevented from swinging relative to the positioning part 20, the busbar support main body 10 and the positioning part 20 are assembled to form an integral frame structure, and the assembling stability between the busbar support main body 10 and the positioning part 20 can be effectively improved.

There are various embodiments of the positioning engagement of the second positioning portion 1222 and the second positioning engagement portion 22 by the positioning engagement of the first positioning portion 1221 and the first positioning engagement portion 21, and the following description will exemplify, but not limit, the embodiments exemplified below.

Example one

Referring to fig. 3 to 8, in the present embodiment, the first positioning matching portion 21 is a protruding structure protruding from the positioning element 20, and the first positioning portion 1221 is a recessed structure recessed from the end portion 122, at this time, the first positioning matching portion 21 and the first positioning portion 1221 can be matched with a spigot (as shown in fig. 3 and 4) or matched with an insertion (as shown in fig. 7 and 8); of course, the first positioning portion 1221 may also be an outer surface of the end portion 122, in which case the first positioning matching portion 21 and the first positioning portion 1221 may be in sliding guiding fit, i.e. in sliding contact fit, as shown in fig. 6; the second positioning matching portion 22 is a protruding structure protruding from the positioning element 20, the second positioning portion 1222 is a recessed structure recessed from the end portion 122, at this time, the second positioning matching portion 22 and the second positioning portion 1222 can be matched in a spigot joint or an insertion joint, of course, the second positioning portion 1222 can also be an outer surface of the end portion 122, at this time, the second positioning matching portion 22 and the second positioning portion 1222 can be matched in a sliding guide manner; the protruding height h1 of the first positioning engaging portion 21 is greater than the protruding height h2 of the second positioning engaging portion 22, that is, the length or height of the first positioning engaging portion 21 protruding from the positioning member 20 is greater than the length or height of the second positioning engaging portion 22 protruding from the positioning member 20.

With this arrangement, since the protruding height H1 of the first positioning matching part 21 is greater than the protruding height H2 of the second positioning matching part 22, the first positioning part 1221 is first positioned and matched with the first positioning matching part 21, and then the second positioning part 1222 is positioned and matched with the second positioning matching part 22, so as to realize sequential step-by-step positioning; moreover, the first positioning matching part 21 and the second positioning matching part 22 are both protruding structures protruding from the positioning element 20, and the first positioning part 1221 and the second positioning part 1222 are both recessed structures or outer surfaces of the end part 122 of the insertion part 12, so that when each insertion part 12 is inserted between the tabs of the battery cell and then matched with the positioning element 20, the insertion part is positioned and matched with the protruding structures through the recessed structures or the outer surfaces, and the difficulty of positioning and matching between the two parts can be reduced; moreover, it is not necessary to provide a protruding structure at the end 122 of the insertion portion 12 because the insertion portion 12 is a protruding structure protruding from the main body portion 11, which leads to a high requirement for processing precision, and thus, the processing difficulty of the first positioning portion 1221 and the second positioning portion 1222 can be reduced, and the assembly accuracy between the first positioning portion 1221 and the first positioning mating portion 21 and the assembly accuracy between the second positioning portion 1222 and the second positioning mating portion 22 can be improved.

Alternatively, in an embodiment, referring to fig. 3 to fig. 5, the first positioning portion 1221 of the concave structure may be a concave spigot structure, specifically, a groove opened on a side surface of the end portion 122, and the first positioning matching portion 21 may be a convex spigot structure, specifically, a convex plate-shaped structure or a block-shaped structure, at this time, the first positioning portion 1221 may be matched with the first positioning matching portion 21 in a spigot manner; the second positioning portion 1222 of the concave structure may be a groove structure, and the second positioning matching portion 22 may be a convex pillar, at this time, the second positioning portion 1222 may be matched with the second positioning matching portion 22 in an inserting manner. So set up, can be first the tang cooperation then the cooperation of pegging graft mutually between portion 12 and the setting element 20 of inserting, first location portion 1221 and the cooperation of the tang of first location cooperation portion 21 mutually can provide better direction and spacing for the grafting cooperation between second location portion 1222 and second location cooperation portion 22, and second location portion 1222 and the cooperation of pegging graft mutually of second location cooperation portion 22 can improve the steadiness of assembling between busbar support main part 10 and the setting element 20.

In other embodiments, referring to fig. 7 and 8, the first positioning portion 1221 of the concave structure may also be a groove structure concavely disposed on the end portion 122, and the first positioning matching portion 21 may be a convex column, at this time, the first positioning portion 1221 may be matched with the first positioning matching portion 21 in an inserting manner. In other embodiments, referring to fig. 7, the second positioning portion 1222 of the concave structure may also be a concave spigot structure, specifically, a groove opened on the side surface of the end portion 122, and the second positioning engaging portion 22 may be a convex spigot structure, specifically, a convex plate-shaped structure or a block-shaped structure, at which time the second positioning portion 1222 may be in spigot engagement with the second positioning engaging portion 22.

Example two

Referring to fig. 9 to 11, in the present embodiment, the first positioning portion 1221 is a protruding structure protruding from the end portion 122, the first positioning matching portion 21 may be a recessed structure recessed from the positioning element 20, when the first positioning matching portion 21 is a recessed seam allowance structure, specifically, the first positioning portion 1221 may be a groove recessed from a side surface of the positioning element 20, and the first positioning portion 1221 may be a protruding plate-shaped structure or a block-shaped structure, and at this time, the first positioning portion 1221 and the first positioning matching portion 21 are matched with each other by the seam allowance, as shown in fig. 9; when the first positioning matching part 21 is a concave groove structure, the first positioning part 1221 may be a convex pillar, and at this time, the first positioning part 1221 and the first positioning matching part 21 are in inserting fit, as shown in fig. 11; of course, the first positioning matching portion 21 may also be a protruding structure protruding from the positioning element 20, at this time, the first positioning portion 1221 and the first positioning matching portion 21 may be slidably guided and matched, the number of the first positioning portions 1221 may be one or more, and when there are a plurality of first positioning portions 1221, an area for the first positioning matching portion 21 to be inserted into may be formed between two adjacent first positioning portions 1221; of course, the first positioning matching part 21 may also be an outer surface of the positioning element 20, and specifically may be a side surface of the positioning element 20, and at this time, the first positioning part 1221 and the first positioning matching part 21 may be slidably guided and matched, as shown in fig. 10; the second positioning portion 1222 is a protruding structure protruding from the end portion 122, the second positioning matching portion 22 can be a recessed structure recessed from the positioning member 20, when the second positioning matching portion 22 is a recessed seam allowance structure, specifically, the second positioning portion 1222 can be a groove recessed from a side surface of the positioning member 20, the second positioning portion 1222 can be a protruding plate-shaped structure or a block-shaped structure, and the second positioning portion 1222 and the second positioning matching portion 22 are matched with each other; when the second positioning matching portion 22 is a recessed groove structure, the second positioning portion 1222 can be a convex column, and the second positioning portion 1222 and the second positioning matching portion 22 are in insertion fit, as shown in fig. 10; of course, the second positioning matching portion 22 may also be a protruding structure protruding from the positioning element 20, and at this time, the second positioning portion 1222 and the second positioning matching portion 22 may be slidably guided and matched with each other; of course, the second positioning matching portion 22 may also be an outer surface of the positioning member 20, and specifically, may be a side surface of the positioning member 20, and at this time, the second positioning portion 1222 and the second positioning matching portion 22 may be slidably guided and matched, as shown in fig. 11; the protruding height h3 of the first positioning portion 1221 is greater than the protruding height h4 of the second positioning portion 1222, that is, the length or height of the first positioning portion 1221 protruding from the end 122 is greater than the height or length of the second positioning portion 1222 protruding from the end 122.

With this arrangement, since the protruding height H3 of the first positioning portion 1221 is greater than the protruding height H4 of the second positioning portion 1222, when the busbar support body 10 is engaged with the positioning member 20, the first positioning portion 1221 is first in positioning engagement with the first positioning engagement portion 21, so as to reduce the degree of freedom of the end portion 122 of the insertion portion 12, and then the second positioning portion 1222 is in positioning engagement with the second positioning engagement portion 22, so as to achieve sequential step-by-step positioning.

EXAMPLE III

Referring to fig. 12, in the present embodiment, the first positioning matching portion 21 is a protruding structure protruding from the positioning element 20, the first positioning portion 1221 is a recessed structure recessed from the end portion 122, and the first positioning portion 1221 may be the recessed structure described in the first embodiment, which is not described herein again, and at this time, the first positioning matching portion 21 and the first positioning portion 1221 may be matched with each other by a spigot (as shown in fig. 12) or by an insertion (as shown in fig. 14); of course, the first positioning portion 1221 may also be the outer surface of the end portion 122, in which case the first positioning matching portion 21 and the first positioning portion 1221 may be slidably guided and matched, as shown in fig. 13; the second positioning matching portion 22 may be a recessed structure recessed in the positioning member 20, for example, a groove structure, and the second positioning portion 1222 is an outer surface of the end portion 122, for example, a circumferential outer surface of the end portion 122, in which case the second positioning matching portion 22 is in plug-fit with the circumferential outer surface of the end portion 122, as shown in fig. 12.

With this arrangement, when the busbar holder main body 10 is engaged with the positioning element 20, the first positioning portion 1221 is first engaged with the first positioning engaging portion 21 to reduce the degree of freedom of the end 122 of the inserting portion 12, and then the second positioning portion 1222 is engaged with the second positioning engaging portion 22 to realize sequential step-by-step positioning.

It should be noted that, in some other embodiments, referring to fig. 13, the second positioning matching portion 22 may be a recessed structure recessed in the positioning element 20, and specifically may be a recessed structure in the second embodiment, which is not described herein again, the second positioning portion 1222 may be a protruding structure protruding from the end portion 122, at this time, the second positioning portion 1222 and the second positioning matching portion 22 may be matched in a spigot joint manner or in an insertion joint manner, wherein the protruding height h1 of the first positioning matching portion 21 is greater than the protruding height h4 of the second positioning portion 1222, that is, the height or length of the first positioning matching portion 21 protruding from the positioning element 20 is greater than the height and length of the second positioning portion 1222 protruding from the end portion 122. With this arrangement, since the protruding height h1 of the first positioning engaging portion 21 is greater than the protruding height h4 of the second positioning portion 1222, when the busbar support body 10 is engaged with the positioning member 20, the first positioning portion 1221 is first engaged with the first positioning engaging portion 21, and then the second positioning portion 1222 is engaged with the second positioning engaging portion 22, so as to sequentially position the busbar support body step by step.

In other embodiments, referring to fig. 14, the second positioning matching portion 22 may be an outer surface of the positioning element 20, for example, a side surface of the positioning element 20, and the second positioning portion 1222 is a protruding structure protruding from the end portion 122, at this time, the second positioning portion 1222 is slidably matched with the second positioning matching portion 22, wherein a protruding height h1 of the first positioning matching portion 21 is greater than a protruding height h4 of the second positioning portion 1222, that is, a height or a length of the first positioning matching portion 21 protruding from the positioning element 20 is greater than a height and a length of the second positioning portion 1222 protruding from the end portion 122. With this arrangement, since the protruding height h1 of the first positioning engaging portion 21 is greater than the protruding height h4 of the second positioning portion 1222, when the busbar support body 10 is engaged with the positioning member 20, the first positioning portion 1221 is first engaged with the first positioning engaging portion 21, and then the second positioning portion 1222 is engaged with the second positioning engaging portion 22, so as to sequentially position the busbar support body step by step.

Example four

Referring to fig. 15 and 16, in the present embodiment, the second positioning matching portion 22 is a protruding structure protruding from the positioning element 20, and the second positioning portion 1222 is a recessed structure recessed from the end portion 122, which may be the recessed structure described in the first embodiment, and is not described herein again, at this time, the second positioning matching portion 22 is in spigot fit or socket fit with the second positioning portion 1222 (as shown in fig. 15); of course, the second positioning portion 1222 can also be the outer surface of the end portion 122, in which case the second positioning engagement portion 22 is slidably guided and engaged with the second positioning portion 1222, as shown in fig. 16; the first positioning matching part 21 is a concave structure concavely disposed on the positioning part 20, and specifically may be the concave structure described in the second embodiment, which is not described herein again, the first positioning part 1221 is a convex structure convexly disposed on the end part 122, at this time, the first positioning part 1221 is matched with the first positioning matching part 21 in a spigot fit (as shown in fig. 15) or an insertion fit, wherein the convex height h3 of the first positioning part 1221 is greater than the convex height h2 of the second positioning matching part 22, that is, the height or length of the first positioning part 1221 protruding from the end part 122 is greater than the height or length of the second positioning matching part 22 protruding from the positioning part.

With this arrangement, since the protruding height h3 of the first positioning portion 1221 is greater than the protruding height h2 of the second positioning portion 22, when the busbar bracket main body 10 is engaged with the positioning member 20, the first positioning portion 1221 is first in positioning engagement with the first positioning portion 21, and then the second positioning portion 1222 is in positioning engagement with the second positioning portion 22, so as to sequentially position the busbar bracket main body step by step.

In other embodiments, referring to fig. 16, the first positioning matching portion 21 may be an outer surface of the positioning element 20, for example, a side surface of the positioning element 20, and the first positioning portion 1221 may be a protruding structure protruding from the end portion 122, at this time, the first positioning portion 1221 and the first positioning matching portion 21 may be slidably guided and matched, wherein a protruding height h3 of the first positioning portion 1221 is greater than a protruding height h2 of the second positioning matching portion 22, that is, a height or a length of the first positioning portion 1221 protruding from the end portion 122 is greater than a height or a length of the second positioning matching portion 22 protruding from the positioning element. With this arrangement, since the protruding height h3 of the first positioning portion 1221 is greater than the protruding height h2 of the second positioning portion 22, when the busbar bracket main body 10 is engaged with the positioning member 20, the first positioning portion 1221 is first in positioning engagement with the first positioning portion 21, and then the second positioning portion 1222 is in positioning engagement with the second positioning portion 22, so as to sequentially position the busbar bracket main body step by step.

In other embodiments, referring to fig. 17, the first positioning matching portion 21 may be a recessed structure recessed in the positioning element 20, for example, a recessed structure, and the first positioning portion 1221 may be an outer surface of the end portion 122, for example, a circumferential outer surface of the end portion 122, where the first positioning matching portion 21 is in plug-in fit with the circumferential outer surface of the end portion 122; the second positioning matching portion 22 may be a protruding structure protruding from the positioning member 20, such as a protruding column, the second positioning portion 1222 is a recessed structure recessed from the end portion 122, such as a recessed groove structure, the second positioning matching portion 22 may be disposed inside the first positioning matching portion 21, which is a recessed groove structure, and the protruding height h2 of the second positioning matching portion 22 is smaller than the depth L of the recessed groove structure. With this arrangement, when the busbar support body 10 is engaged with the positioning element 20, the first positioning portion 1221 is first engaged with the first positioning engaging portion 21, and then the second positioning portion 1222 is engaged with the second positioning engaging portion 22, so as to sequentially position the busbar support body step by step.

EXAMPLE five

Referring to fig. 1 to 5, in the embodiment, the end portion 122 of at least one insertion portion 12 has a third positioning portion 1223, the end portion 122 of each insertion portion 12 may have the third positioning portion 1223, of course, only one end portion 122 of one insertion portion 12 may have the third positioning portion 1223, or two or more end portions 122 of the insertion portions 12 may have the third positioning portions 1223; the positioning member 20 has a third positioning matching portion 23 matching with the third positioning portion 1223, and the third positioning portion 1223 and the third positioning matching portion 23 may be matched with a spigot, a sliding guide or an insertion fit, but is not limited thereto; the third positioning portion 1223 is in positioning fit with the third positioning fit portion 23 by positioning fit of the second positioning portion 1222 and the second positioning fit portion 22, that is, when the inserting portion 12 is fitted with the positioning member 20, the first positioning portion 1221 is first in positioning fit with the first positioning fit portion 21, after the first positioning portion 1221 is in positioning fit with the first positioning fit portion 21 to provide guidance and limitation, the second positioning portion 1222 is further in positioning fit with the second positioning fit portion 22, and after the second positioning portion 1222 is in positioning fit with the second positioning fit portion 22 to provide guidance and limitation, the third positioning portion 1223 is further in positioning fit with the third positioning fit portion 12223 to achieve step-by-step positioning; the matching manner of the first positioning portion 1221 and the first positioning matching portion 21, and the matching manner of the second positioning portion 1222 and the second positioning matching portion 22 may be the same as those in any of the above embodiments, and the specific structures of the third positioning portion 1223 and the third positioning matching portion 23 may be similar to those of the first positioning portion 1221 and the first positioning matching portion 21, for example, the third positioning portion 1223 may be a concave structure concavely disposed on the end portion 122, may be an outer surface of the end portion 122, may be a convex structure convexly disposed on the end portion 122, and correspondingly, the third positioning matching portion 23 may be a convex structure convexly disposed on the positioning member 20, may be a concave structure concavely disposed on the positioning member, and may be an outer surface of the positioning member 20; when the third positioning matching portion 23 is a protruding structure, the protruding height of the third positioning matching portion 23 may be smaller than the protruding height of the second positioning matching portion 22 or the second positioning portion 1222 of the protruding structure, and when the third positioning portion 1223 is a protruding structure, the protruding height of the third positioning matching portion 1223 may be smaller than the protruding height of the second positioning matching portion 22 or the second positioning portion 1222 of the protruding structure, so as to facilitate the positioning matching between the second positioning portion 1222 and the second positioning matching portion 22, and then the third positioning portion 1223 is further positioned and matched with the third positioning matching portion 23.

So set up, second location portion 1222 and second location cooperation portion 22 looks location fit, realize the second level location, later rethread third location portion 1223 and third location cooperation portion 23 looks location fit, realize the third level location, and the second level location can form the direction and prescribe a limit to for the third level location, make the degree of freedom of portion 12 of inserting that passes be the tertiary and reduce in proper order, further reduce the assembly degree of difficulty between busbar support main part 10 and the setting element 20, promote assembly efficiency, and can make the steadiness of assembling between busbar support main part 10 and the setting element 20 further improve.

Optionally, in an embodiment, referring to fig. 1 to fig. 5, the first positioning matching portion 21 is a protruding structure protruding from the positioning element 20, the first positioning portion 1221 may be a recessed structure recessed from the end portion 122, at this time, the first positioning portion 1221 and the first positioning matching portion 21 may be matched with each other in a spigot or insertion manner, of course, the first positioning portion 1221 may also be an outer surface of the end portion 122, at this time, the first positioning portion 1221 and the first positioning matching portion 21 may be matched with each other in a sliding and guiding manner; the second positioning matching portion 22 is a protruding structure protruding from the positioning element 20, the second positioning portion 1222 can be a recessed structure recessed from the end portion 122, at this time, the second positioning portion 1222 and the second positioning matching portion 22 can be matched in a spigot-and-socket manner, of course, the second positioning portion 1222 can also be an outer surface of the end portion 122, at this time, the second positioning portion 1222 and the second positioning matching portion 22 can be matched in a sliding and guiding manner; the third positioning matching part 23 is a protruding structure protruding from the positioning part 20, the third positioning part 1223 may be a recessed structure recessed from the end part 122, at this time, the third positioning part 1223 and the third positioning matching part 23 may be matched with each other by a spigot or an insertion, of course, the third positioning part 1223 may also be an outer surface of the end part 122, at this time, the third positioning part 1223 and the third positioning matching part 23 may be matched with each other by sliding and guiding; the protruding height h1 of the first positioning matching part 21 is greater than the protruding height h2 of the second positioning matching part 22, and the protruding height h2 of the second positioning matching part 22 is greater than the protruding height h5 of the third positioning matching part 23. With such an arrangement, the first positioning matching part 21, the second positioning matching part 22 and the third positioning matching part 23 are all protruding structures which are convexly arranged on the positioning piece 20, the protruding heights of the first positioning matching part, the second positioning matching part and the third positioning matching part are sequentially decreased progressively, so that sequential step-by-step positioning is realized, and when the inserting parts 12 are inserted between the lugs of the battery cell and then matched with the positioning piece 20, the inserting parts are both recessed structures or outer surfaces to be in positioning matching with the protruding structures, so that the difficulty of positioning matching between the first positioning matching part and the second positioning matching part can be reduced; meanwhile, it is not necessary to provide a protruding structure on the end portion 122, which can reduce the processing difficulty of the first positioning portion 1221, the second positioning portion 1222 and the third positioning portion 1223, and improve the assembling accuracy of the first positioning portion 21, the second positioning portion 22 and the third positioning portion 23.

Optionally, in an embodiment, referring to fig. 3 to fig. 5, the end 122 of each insertion portion 12 has a first positioning portion 1221, a second positioning portion 1222, and a third positioning portion 1223; the third positioning matching parts 23 may be substantially of a boss structure, the number of the third positioning matching parts 23 is multiple, each third positioning matching part 23 is sequentially arranged at intervals along the length direction of the positioning piece 20, a space 201 for the end part 122 to be placed is formed between every two adjacent third positioning matching parts 23, the third positioning part 1223 is the outer surface of the end part 122, the distance between every two adjacent third positioning matching parts 23 may be the same as the width of the end part 122, or the two adjacent third positioning matching parts are in transition matching, so as to improve the matching tightness of the two parts and prevent the end part 122 from swinging; a first positioning matching part 21 and a second positioning matching part 22 are arranged between two adjacent third positioning matching parts 23, and the first positioning matching part 21 and the second positioning matching part 22 can be positioned between the two adjacent third positioning matching parts 23 or positioned outside the two adjacent third positioning matching parts 23. With such arrangement, each insertion part 12 and the positioning piece 20 can form three-stage sequential stepwise positioning fit, so that the positioning fit accuracy and the assembly stability between the bus bar support main body 10 and the positioning piece 20 can be improved; moreover, a space 201 for the end portion 122 to be inserted is formed between two adjacent third positioning matching portions 23, two opposite surfaces of two adjacent third positioning matching portions 23 can be respectively positioned and matched with two opposite side surfaces of the end portion 122, the assembling stability with the end portion 122 of the penetration portion 12 can be improved, and it is advantageous to reduce the assembling accuracy between the first positioning portion 1221 and the first positioning fit portion 21 and the assembling accuracy between the second positioning portion 1222 and the second positioning fit portion 22 so that only the third positioning portion 1223 and the third positioning fit portion 23 can have a higher assembling accuracy, it is possible to allow an assembly error between the first positioning portion 1221 and the first positioning fitting portion 21, an assembly error between the second positioning portion 1222 and the second positioning fitting portion 22, and the third positioning portions 1223 and the third positioning matching portions 23 can compensate for each other, so that the assembling stability between the inserting portion 12 and the positioning member 20 can be ensured under the condition of reducing the processing difficulty.

Optionally, in an embodiment, referring to fig. 3 to fig. 5, the first positioning matching portion 21 is a protruding structure protruding from the positioning element 20, the first positioning portion 1221 is a spigot structure recessed from the end portion 122, the first positioning portion 1221 is spigot-matched with the first positioning matching portion 21, of course, the first positioning portion 1221 may also be an outer surface of the end portion 122, and the first positioning portion 1221 is slidably guided and matched with the first positioning matching portion 21; the first positioning matching part 21 is provided with a first guiding inclined surface 211, and the first guiding inclined surface 211 faces the second positioning matching part 22, that is, the first guiding inclined surface 211 inclines towards the second positioning matching part 22 along the insertion direction of the end part 122 assembled on the positioning part 20, and may be an inclined plane, or may also be a non-plane, such as an arc-shaped plane, but is not limited thereto; the second positioning portion 1222 is a concave structure concavely disposed on the end portion 122, the second positioning matching portion 22 may be a convex pillar, the second positioning portion 1222 and the second positioning matching portion 22 are in insertion fit, a second guiding inclined plane 221 is disposed at an end of the convex pillar departing from the positioning element 20, the second guiding inclined plane 221 is a conical surface structure disposed along the circumferential direction of the convex pillar, an entrance of the second positioning portion 1222 of the concave structure may also be flared to form a guiding conical surface, which is favorable for insertion fit with the convex pillar; the third positioning matching part 23 is a protruding structure protruding from the positioning part 20, the third positioning part 1223 is the outer surface of the end part 122, the third positioning part 1223 and the third positioning matching part 23 are in sliding guiding fit with each other, and the third positioning matching part 23 is provided with a third guiding inclined plane 231, which may be an inclined plane or an arc-shaped plane. With such an arrangement, the first positioning portion 1221 can be in spigot fit with the first positioning matching portion 21 of the protruding structure or in sliding guide fit with the protruding structure, and by providing the first guiding inclined surface 211 facing the second positioning matching portion 22, the first positioning portion 1221 can be in sliding contact with the first positioning matching portion 21 and slidably guided along the first guiding inclined surface 211, and the end portion 122 can be guided toward the second positioning matching portion 22, so as to facilitate accurate positioning fit between the second positioning portion 1222 and the second positioning matching portion 22; the second positioning matching part 22 is a convex column, and a second guide inclined plane 221 is arranged on the convex column, so that the convex column is favorably matched with the second positioning part 1222 of the concave structure in an inserting manner; the third guiding inclined surface 231 is arranged on the third positioning matching part 23, so that the positioning matching between the third positioning part 1223 and the third positioning matching part 23 is facilitated; and, at first carry out tang cooperation or sliding guide cooperation, only restrict the degree of freedom of one direction of tip 122, the restriction is less, does benefit to tip 122 and continues to go on down to carry out the second level location, and difficult quilt is supported and is difficult to continue subsequent second level location and tertiary location.

It should be noted that, in other embodiments, the first guiding slope 211 may not be provided; of course, the second guide slope 221 may not be provided, and the third guide slope 231 may not be provided.

In one embodiment, referring to fig. 3 and fig. 4, the end portions 122 of the two insertion portions 12 respectively located at the two ends of the main body portion 11 are respectively provided with a connecting hole 1224, the two ends of the positioning member 20 are respectively provided with a connecting post 24 correspondingly, and the connecting holes 1224 and the connecting posts 24 can be matched in an insertion manner, so as to improve the connection stability and the positioning matching effect of the bus bar support main body 10 and the positioning member 20; at this time, the connection hole 1224 may be understood as the first positioning portion 1221, the second positioning portion 1222 or the third positioning portion 1223, and the connection column 24 may be understood as the first positioning engagement portion 21, the second positioning engagement portion 22 or the third positioning engagement portion 23. Of course, in some other embodiments, the end portions 122 of the two insertion portions 12 respectively located at the two ends of the main body portion 11 may be provided with connecting posts, and the two ends of the positioning member 20 may be provided with connecting holes respectively.

Referring to fig. 18 and fig. 19, an embodiment of the present application further provides a battery module 1000, where the battery module 1000 includes a casing 200, a busbar 400, a plurality of battery cells 300, and the busbar bracket assembly 100 of any of the above embodiments, where the casing 200 has an accommodating cavity, each battery cell 300 is disposed in the accommodating cavity, each battery cell 300 has a tab 301, the busbar bracket assembly 100 is located at one end of each battery cell 300, two opposite ends of each battery cell 300 may be respectively provided with one busbar bracket assembly 100, or only one end of each battery cell 300 may be provided with the busbar bracket assembly 100, the tab 301 of each battery cell 300 is inserted into the slot 101 of the busbar bracket main body 10, and the end 122 of each insertion portion 12 is matched with the positioning element 20; the bus bar 400 is disposed on the bus bar support body 10 and electrically connected to the tabs 301 of the battery cells 300. When assembling the battery module 1000, the positioning element 20 may be installed at the bottom of the accommodating cavity of the casing 200, then each assembled battery cell 300 is installed in the casing 200, the tabs 301 of each battery cell 300 are guided and bent to a required bending position by the assembly fixture, and then the insertion portion 12 of the bus bar support main body 10 is inserted between the tabs 301 of each battery cell 300 from top to bottom and assembled with the positioning element 20, of course, in some other embodiments, the positioning element 20 may not be installed at the bottom of the accommodating cavity of the casing 200, for example, the positioning element 20 may be assembled after the bus bar support main body 10 is inserted between the tabs 301 of each battery cell 300, but is not limited thereto, and the insertion portion 12 of the bus bar support main body 10 may also be inserted between the tabs 301 of each battery cell 300 from other directions; in other embodiments, the battery cell 300 may also be assembled into the casing 200 after the tabs are bent to a desired position.

The battery module 1000 according to the embodiment of the present invention employs the busbar bracket assembly 100 according to the above-mentioned embodiment, so that the battery module 1000 also has the technical effects of the technical solutions of the busbar bracket assembly 100 according to the above-mentioned embodiment, and can improve the assembly efficiency and the stability after assembly of the battery module 1000.

In an embodiment, referring to fig. 2, fig. 4 and fig. 19, the first positioning matching portion 21 is a protruding structure protruding from the positioning element 20, the first positioning portion 1221 may be a spigot structure recessed from the end portion 122, at this time, the first positioning matching portion 21 is spigot-matched with the first positioning portion 1221, of course, the first positioning portion 1221 may also be an outer surface of the end portion 122, at this time, the first positioning matching portion 21 is slidably matched with the first positioning portion 1221; the first positioning matching part 21 is close to the battery cell 300, and the end part 122 is far away from the battery cell 300. Because the tab 301 of the electrical core 300 needs to be welded after the busbar support assembly 100 is assembled, the busbar support main body 10 can be subjected to the force applied by a tool or the force applied during welding, and the force faces the direction of the electrical core 300, by adopting the above technical scheme, after the end 122 of the insertion part 12 is positioned with the first positioning matching part 21 of the protruding structure, the busbar support main body 10 can be supported by the first positioning matching part 21, so that the stability of the busbar support main body is improved, and the swinging of the busbar support main body is prevented; and the first positioning portion 1221 and the first positioning matching portion 21 are first positioned and matched, so that the protruding height of the first positioning portion 1221 is the highest, which is beneficial to positioning and matching and can ensure that it has higher strength to ensure the supporting effect on the bus bar support main body 10.

In other embodiments, referring to fig. 9 and fig. 10, the first positioning portion 1221 may be a protruding structure protruding from the end portion 122, the first positioning engaging portion 21 may be a spigot structure recessed from the positioning member 20, and the first positioning portion 1221 is in spigot engagement with the first positioning engaging portion 21, of course, the first positioning engaging portion 21 may also be an outer surface of the positioning member 20, and the first positioning portion 1221 is in sliding guide engagement with the first positioning engaging portion 21; the positioning member 20 is close to the battery cell 300, and the first positioning portion 1221 is far from the battery cell 300. With this arrangement, when the bus bar support main body 10 receives a force in a direction toward the battery cell 300, the positioning member 20 can support the first positioning portion 1221 to support the bus bar support main body 10.

In an embodiment, referring to fig. 2 to fig. 4, the second positioning portion 1222 is matched with the second positioning matching portion 22 in an inserting manner, the second positioning portion 1222 may be a concave structure, such as a groove structure, the second positioning matching portion 22 may be a convex structure, such as a convex column, of course, the second positioning portion 1222 may also be a convex structure, and the second positioning matching portion 22 may be a concave structure; an adhesive is arranged between the first positioning portion 1221 and the second positioning portion 1222, and the adhesive may be pre-disposed inside the recessed structure; the adhesive may be any adhesive or bonding agent capable of achieving an adhesive effect, such as a structural adhesive, but is not limited thereto. So set up, through second location portion 1222 and second location cooperation portion 22 looks grafting cooperation, and connect through the adhesive between the two, can effectively improve the fastness of being connected between second location portion 1222 and the second location cooperation portion 22 to improve the steadiness that busbar support main part 10 and setting element 20 assembled mutually.

In other embodiments, referring to fig. 7, fig. 8, fig. 11 and fig. 14, the first positioning portion 1221 and the first positioning portion 21 may be inserted and matched, and an adhesive may be disposed between the first positioning portion 1221 and the first positioning portion 21. Of course, the third positioning portion 1223 and the third positioning matching portion 23 may also be matched in an inserting manner, and an adhesive may be disposed between the third positioning portion 1223 and the third positioning matching portion 23.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A busbar support assembly, comprising:

the bus bar support comprises a bus bar support main body, wherein the bus bar support main body comprises a main body part and a plurality of insertion parts, the insertion parts are sequentially arranged at intervals, a slot for inserting a lug of a battery cell is formed between every two adjacent insertion parts, each insertion part is provided with a root part and an end part, and the root part is connected to the main body part; and

the positioning piece is used for being matched with the end part of the insertion part;

the end part of at least one insertion part is provided with a first positioning part, the end part of at least one insertion part is provided with a second positioning part, the positioning part is provided with a first positioning matching part matched with the first positioning part and a second positioning matching part matched with the second positioning part, and the first positioning part and the first positioning matching part are matched in a positioning manner to enable the second positioning part and the second positioning matching part to be matched in a positioning manner.

2. The busbar support assembly of claim 1, wherein: the first positioning matching part is a protruding structure which is convexly arranged on the positioning piece; the first positioning part is a concave structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part;

the second positioning matching part is a protruding structure which is convexly arranged on the positioning part; the second positioning part is a concave structure concavely arranged on the end part, or the second positioning part is the outer surface of the end part;

the protruding height of the first positioning matching part is larger than that of the second positioning matching part.

3. The busbar support assembly of claim 1, wherein: the first positioning part is a protruding structure which is convexly arranged at the end part; the first positioning matching part is a concave structure concavely arranged on the positioning part, or the first positioning matching part is a convex structure convexly arranged on the positioning part, or the first positioning matching part is the outer surface of the positioning part;

the second positioning part is a protruding structure protruding from the end part; the second positioning matching part is a concave structure concavely arranged on the positioning part, or the second positioning matching part is a convex structure convexly arranged on the positioning part, or the second positioning matching part is the outer surface of the positioning part;

the protruding height of the first positioning part is larger than that of the second positioning part.

4. The busbar support assembly of claim 1, wherein: the first positioning matching part is a protruding structure which is convexly arranged on the positioning piece; the first positioning part is a concave structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part;

the second positioning matching part is a concave structure concavely arranged on the positioning part, and the second positioning part is the outer surface of the end part; or, the second positioning matching part is a concave structure concavely arranged on the positioning part, the second positioning part is a convex structure convexly arranged on the end part, and the convex height of the first positioning matching part is greater than that of the second positioning part; or, the second positioning matching part is the outer surface of the positioning part, the second positioning part is a protruding structure which is convexly arranged on the end part, and the protruding height of the first positioning matching part is greater than that of the second positioning part.

5. The busbar support assembly of claim 1, wherein: the second positioning matching part is a protruding structure which is convexly arranged on the positioning part; the second positioning part is a concave structure concavely arranged on the end part, or the second positioning part is the outer surface of the end part;

the first positioning matching part is a concave structure concavely arranged on the positioning part, and the first positioning part is the outer surface of the end part; or, the first positioning matching part is a concave structure concavely arranged on the positioning part, the first positioning part is a convex structure convexly arranged on the end part, and the convex height of the first positioning part is greater than that of the second positioning matching part; or, the first positioning matching part is the outer surface of the positioning part, the first positioning part is a protruding structure protruding from the end part, and the protruding height of the first positioning part is greater than that of the second positioning matching part.

6. The busbar support assembly of any of claims 1 to 5, wherein: the end part of at least one insertion part is provided with a third positioning part, and the positioning part is provided with a third positioning matching part matched with the third positioning part; the third positioning part is matched with the third positioning matching part in a positioning way through the positioning matching of the second positioning part and the second positioning matching part.

7. The busbar support assembly of claim 6, wherein: the first positioning matching part is a protruding structure which is convexly arranged on the positioning piece; the first positioning part is a concave structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part;

the third positioning matching part is a protruding structure which is convexly arranged on the positioning part; the third positioning part is a concave structure concavely arranged on the end part, or the third positioning part is the outer surface of the end part;

the protruding height of the first positioning matching part is larger than that of the second positioning matching part, and the protruding height of the second positioning matching part is larger than that of the third positioning matching part.

8. The busbar support assembly of claim 7, wherein: the end part of each penetrating and inserting part is provided with a first positioning part, a second positioning part and a third positioning part;

the number of the third positioning matching parts is multiple, each third positioning matching part is sequentially arranged at intervals along the length direction of the positioning piece, a space for the end part to be placed is formed between every two adjacent third positioning matching parts, and the third positioning parts are the outer surfaces of the end parts; and the first positioning matching part and the second positioning matching part are arranged between every two adjacent third positioning matching parts.

9. The busbar support assembly of claim 7 or 8, wherein: the first positioning part is a spigot structure concavely arranged on the end part, or the first positioning part is the outer surface of the end part; the first positioning matching part is provided with a first guide inclined plane, and the first guide inclined plane faces the second positioning matching part;

the second positioning part is a concave structure concavely arranged at the end part, the second positioning matching part is a convex column, and one end of the convex column departing from the positioning part is provided with a second guide inclined plane;

the third positioning part is the outer surface of the end part, and a third guide inclined plane is arranged on the third positioning matching part.

10. The utility model provides a battery module which characterized in that, battery module includes:

a housing having an accommodating chamber;

the battery cells are arranged in the accommodating cavities and provided with tabs;

the busbar bracket assembly of any one of claims 1 to 9, the busbar bracket assembly being located at one end of the electrical core, the tabs of the electrical core being inserted through the slots of the busbar bracket body, the end of each insertion portion being fitted with the locating member; and

and the bus bar is arranged on the bus bar support main body and is electrically connected with the lugs of the battery cell.

11. The battery module according to claim 10, wherein: the first positioning matching part is a protruding structure which is convexly arranged on the positioning part, the first positioning part is a spigot structure which is concavely arranged on the end part, or the first positioning part is the outer surface of the end part; the first positioning matching part is close to the battery cell, and the end part is far away from the battery cell;

or, the first positioning part is a convex structure convexly arranged at the end part, and the first positioning matching part is a spigot structure concavely arranged on the positioning part, or the first positioning matching part is the outer surface of the positioning part; the setting element is close to in electric core, first location portion keep away from in electric core.

12. The battery module according to claim 10, wherein: the first positioning part is in splicing fit with the first positioning matching part, and bonding glue is arranged between the first positioning part and the first positioning matching part;

and/or the second positioning part is matched with the second positioning matching part in an inserted manner, and a bonding adhesive is arranged between the first positioning part and the second positioning part.