CN219321474U

CN219321474U - Pole riveting type integrated battery cover plate

Info

Publication number: CN219321474U
Application number: CN202223502830.3U
Authority: CN
Inventors: 单辉; 宋柏; 周玉林; 徐亮; 秦东年; 石庆沫; 姚旭言; 张立辉; 王指刚; 孙长亮
Original assignee: Harbin Coslight New Energy Co ltd
Current assignee: Harbin Coslight New Energy Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-07
Anticipated expiration: 2032-12-27

Abstract

A pole riveting type integrated battery cover plate relates to a battery cover plate. The light cover plate is provided with positive electrode upper plastic and negative electrode upper plastic, the middle part is provided with an explosion-proof valve protection adhesive tape and an explosion-proof valve, the lower part is provided with lower plastic, the positive electrode upper plastic and the negative electrode upper plastic are provided with pole posts, the outside of the pole posts is provided with a conductive platform, and the conductive platform is arranged in the upper plastic; the lower plastic is provided with a positive electrode connecting sheet and a negative electrode connecting sheet, the positive electrode connecting sheet is provided with a positive electrode rivet, the negative electrode connecting sheet is provided with a negative electrode rivet, and the upper ends of the positive electrode rivet and the negative electrode rivet are riveted with the corresponding conductive platforms. The utility model solves the problem of high replacement difficulty of the modular battery in the prior art, is convenient for the maintenance of the lithium battery and the connection of the maintained lead, and reduces the use cost of the lithium battery; the connecting piece and the optical cover plate are changed into an integrated structure, so that the connection reliability of the connecting piece and the optical cover plate is ensured, the problem of poor secondary welding of the connecting piece and the optical cover plate is solved, and the cost is saved.

Description

Pole riveting type integrated battery cover plate

Technical Field

The utility model relates to a battery cover plate, in particular to a pole riveting type integrated battery cover plate.

Background

In the process of lithium battery application, positive and negative poles of the lithium battery are directly fixed with the cover plate, so that when a part of batteries need to be replaced, the positive and negative poles fixed on the cover plate formed integrally are difficult to disassemble, the maintenance of the lithium battery and the difficult and complicated wire connection operation after the maintenance are caused, and the use cost of the lithium battery is increased. In addition, at present, the connecting sheet and the cover plate are of a split structure, and the connecting sheet is welded on the optical cover plate through laser later, so that poor welding is easy to occur in the process.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides a pole riveting type integrated battery cover plate.

The utility model adopts the following technical scheme: a pole rivet type integrated battery cover plate comprises a pole, a conductive platform, an explosion-proof valve protection adhesive tape, plastic on the positive electrode, plastic on the negative electrode, a light cover plate, an explosion-proof valve, lower plastic, a positive electrode connecting sheet, a negative electrode connecting sheet, a positive electrode rivet and a negative electrode rivet; the two sides of the upper end of the optical cover plate are respectively provided with positive electrode plastic cement and negative electrode plastic cement, the upper ends of the positive electrode plastic cement and the negative electrode plastic cement are respectively provided with a pole column, the outer side of each pole column is sleeved with a conductive platform, and the two conductive platforms are respectively arranged in the corresponding positive electrode plastic cement or negative electrode plastic cement; the middle part of the light cover plate is provided with an explosion-proof valve protection adhesive tape and an explosion-proof valve, the lower end of the light cover plate is provided with lower plastic, two sides of the lower plastic are respectively provided with a positive electrode connecting sheet and a negative electrode connecting sheet, the lower end of the positive electrode connecting sheet is provided with a positive electrode rivet, and the upper end of the positive electrode rivet sequentially penetrates through the positive electrode connecting sheet, the lower plastic, the light cover plate and the upper plastic of the positive electrode and then is riveted and fixed with a corresponding conductive platform; the lower extreme of negative pole connection piece is equipped with the negative pole rivet, the upper end of negative pole rivet passes negative pole connection piece, lower plastic in proper order, light apron and negative pole and rivet fixedly with corresponding conductive platform after going up the plastic.

Compared with the prior art, the utility model has the beneficial effects that:

1. the upper cover with the riveting structure solves the problem of high difficulty in replacing the module battery in the prior art, is convenient for maintenance of the lithium battery and connection of wires after maintenance, and reduces the use cost of the lithium battery;

2. according to the utility model, the anti-torsion boss is added on the pole base, and the anti-torsion groove is arranged in the conductive platform, so that the purpose of pole torsion prevention is achieved;

3. according to the utility model, the connecting sheet and the optical cover plate are changed into an integrated structure, so that the reliability of connection between the connecting sheet and the optical cover plate is ensured, the problem of poor secondary welding between the connecting sheet and the optical cover plate is solved, and the cost is saved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the structure of an optical cover plate;

FIG. 4 is a bottom view of FIG. 3;

FIG. 5 is a schematic view of the structure of the plastic on the positive electrode;

FIG. 6 is a schematic structural view of a conductive platform;

FIG. 7 is a schematic structural view of a pole;

FIG. 8 is a schematic view of the structure of the lower plastic;

fig. 9 is a bottom view of fig. 8.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are all within the protection scope of the present utility model.

A pole rivet joint type integrated battery cover plate comprises a pole 1, a conductive platform 2, an explosion-proof valve protection adhesive tape 3, an upper positive electrode plastic 4, an upper negative electrode plastic 5, a light cover plate 6, an explosion-proof valve 7, a lower plastic 9, a positive electrode connecting sheet 10, a negative electrode connecting sheet 11, a positive electrode rivet 12 and a negative electrode rivet 13; the two sides of the upper end of the optical cover plate 6 are respectively provided with positive electrode plastic cement 4 and negative electrode plastic cement 5, the upper ends of the positive electrode plastic cement 4 and the negative electrode plastic cement 5 are respectively provided with a pole 1, the outer side of each pole 1 is sleeved with a conductive platform 2, and the two conductive platforms 2 are respectively arranged in the corresponding positive electrode plastic cement 4 or negative electrode plastic cement 5; the middle part of the optical cover plate 6 is provided with an explosion-proof valve protection adhesive tape 3 and an explosion-proof valve 7, wherein the explosion-proof valve protection adhesive tape 3 is arranged at the upper end of the explosion-proof valve 7; the lower end of the optical cover plate 6 is provided with a lower plastic 9, two sides of the lower end of the lower plastic 9 are respectively provided with a positive electrode connecting sheet 10 and a negative electrode connecting sheet 11, the lower end of the positive electrode connecting sheet 10 is provided with a positive electrode rivet 12, and the upper end of the positive electrode rivet 12 sequentially penetrates through the positive electrode connecting sheet 10, the lower plastic 9, the optical cover plate 6 and the positive electrode upper plastic 4 and then is riveted and fixed with the corresponding conductive platform 2; the lower extreme of negative pole connection piece 11 is equipped with negative pole rivet 13, the upper end of negative pole rivet 13 passes negative pole connection piece 11, lower plastic 9, light apron 6 and negative pole in proper order and rivets fixedly with corresponding conductive platform 2 after plastic 5.

The pole 1 is used for fixing an external connection row.

The conductive platform 2 is for electrical conduction with the outside.

The negative electrode upper insulating pad 5 is used for insulating the negative electrode post from the optical cover plate.

The lower plastic 9 is used for protecting the lower winding core and plays an insulating role between the negative electrode connecting sheet 11 and the optical cover plate 6.

The outer sides of the positive rivet 12 and the negative rivet 13 are sleeved with sealing rings 8.

The upper end of the optical cover plate 6 is sequentially provided with a first liquid injection hole 6-1, a first positive electrode rivet hole 6-5, an explosion-proof valve mounting hole 6-3 and a first negative electrode rivet hole 6-6, the number of the first positive electrode rivet hole 6-5 and the number of the first negative electrode rivet hole 6-6 are two, a punch-formed conduction bulge 6-2 is arranged between the first two positive electrode rivet holes 6-5, and an explosion-proof valve protection adhesive tape 3, an explosion-proof valve 7 and a limiting ring 6-4 are sequentially arranged inside the explosion-proof valve mounting hole 6-3 from top to bottom. The limiting ring 6-4 is used for placing the explosion-proof valve 7. The explosion-proof valve protection adhesive tape 3 is stuck to the top of the explosion-proof valve mounting hole 6-3.

The upper surface of the plastic 4 on the positive electrode is provided with a placing groove 4-3, the bottom surface of the placing groove 4-3 penetrates through the lower surface of the plastic 4 on the positive electrode and is provided with a through hole 4-1 and two positive electrode rivet holes II 4-2, the through hole 4-1 is correspondingly inserted with the conducting bulge 6-2, and the conducting bulge 6-2 is attached to the corresponding pole 1 to realize full conduction of the positive electrode; the two positive electrode rivet holes II 4-2 are correspondingly communicated with the two positive electrode rivet holes I6-5.

Each upper end of the conductive platform 2 is provided with a pole through hole 2-2 and two rivet holes 2-3, the pole through hole 2-2 is arranged in the middle of the two rivet holes 2-3, and a plurality of anti-torsion grooves 2-1 are formed in the circumference of the pole through hole 2-2.

Each pole 1 comprises a pole seat 1-2 and a pole body 1-3, the pole bodies 1-3 are coaxially arranged at the upper end of the pole seat 1-2, a plurality of anti-torsion bosses 1-1 are circumferentially arranged on the upper surface of the pole seat 1-2, the pole 1 is inserted into the corresponding pole through hole 2-2, and the anti-torsion bosses 1-1 are in one-to-one corresponding connection with the anti-torsion grooves 2-1, so that an anti-torsion effect is achieved.

The end part of the lower plastic 9 is provided with a second liquid injection hole 9-1, the second liquid injection hole 9-1 is correspondingly communicated with the first liquid injection hole 6-1, and the liquid injection hole is used for welding liquid injection or steel ball liquid injection; the upper end of the lower plastic 9 is provided with two positive electrode rivet holes III 9-3 and two negative electrode rivet holes III 9-4, the lower end of the lower plastic 9 is provided with two placing long grooves 9-2, one of the placing long grooves 9-2 is internally provided with a positive electrode connecting sheet 10, the placing long grooves 9-2 are communicated with the two positive electrode rivet holes III 9-3, the other placing long groove 9-2 is internally provided with a negative electrode connecting sheet 11, and the placing long groove 9-2 is communicated with the two negative electrode rivet holes III 9-4.

The using method comprises the following steps:

the punched optical cover plate 6 is arranged at a designated position, the explosion-proof valve 7 is arranged in an explosion-proof valve mounting hole 6-3 formed in the optical cover plate 6, the explosion-proof valve 7 and the optical cover plate 6 are welded into a whole through laser welding, and the explosion-proof valve protection adhesive tape 3 is adhered to the top of the explosion-proof valve mounting hole 6-3.

The sealing ring 8 is arranged in a positive rivet hole and a negative rivet hole, the lower plastic 9 is arranged at the bottom of the optical cover plate 6, the positive connecting sheet 10 and the negative connecting sheet 11 are respectively arranged at two positions where the long grooves 9-2 are arranged, after the positive rivet 12 and the negative rivet 13 penetrate through the positive connecting sheet 10, the negative connecting sheet 11, the lower retainer 9, the sealing ring 8 and the optical cover plate 6, the positive upper plastic 4 and the negative upper plastic 5 are arranged at corresponding positions and penetrated by the positive rivet 12 and the negative rivet 13, the pole column 1 is arranged in the conductive platform 2, the two conductive platforms are respectively arranged in the positive upper plastic 4 and the negative upper plastic 5, and the positive rivet 12 and the negative rivet 13 are riveted to achieve the assembly and sealing of the whole upper cover.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a post riveting formula integrated battery apron, includes post (1), electrically conductive platform (2), explosion-proof valve protection sticky tape (3), plastic on the positive pole (4), plastic on the negative pole (5), light apron (6), explosion-proof valve (7), lower plastic (9), positive pole connection piece (10), negative pole connection piece (11), positive pole rivet (12) and negative pole rivet (13); the method is characterized in that: the two sides of the upper end of the optical cover plate (6) are respectively provided with positive electrode upper plastic cement (4) and negative electrode upper plastic cement (5), the upper ends of the positive electrode upper plastic cement (4) and the negative electrode upper plastic cement (5) are respectively provided with a pole column (1), the outer side of each pole column (1) is sleeved with a conductive platform (2), and the two conductive platforms (2) are respectively arranged in the corresponding positive electrode upper plastic cement (4) or negative electrode upper plastic cement (5); the middle part of the light cover plate (6) is provided with an explosion-proof valve protection adhesive tape (3) and an explosion-proof valve (7), the lower end of the light cover plate (6) is provided with a lower plastic (9), two sides of the lower end of the lower plastic (9) are respectively provided with a positive electrode connecting sheet (10) and a negative electrode connecting sheet (11), the lower end of the positive electrode connecting sheet (10) is provided with a positive electrode rivet (12), and the upper end of the positive electrode rivet (12) sequentially penetrates through the positive electrode connecting sheet (10), the lower plastic (9), the light cover plate (6) and the positive electrode upper plastic (4) and then is riveted and fixed with a corresponding conductive platform (2); the lower extreme of negative pole connection piece (11) is equipped with negative pole rivet (13), the upper end of negative pole rivet (13) passes negative pole connection piece (11), lower plastic (9), light apron (6) and negative pole in proper order behind plastic (5) and is riveted fixedly with corresponding conductive platform (2).

2. The post staking integrated battery cover of claim 1, wherein: the outer sides of the positive rivet (12) and the negative rivet (13) are sleeved with sealing rings (8).

3. The post staking integrated battery cover of claim 2, wherein: the anti-explosion valve is characterized in that the upper end of the optical cover plate (6) is sequentially provided with a first liquid injection hole (6-1), a first positive electrode rivet hole (6-5), an anti-explosion valve mounting hole (6-3) and a first negative electrode rivet hole (6-6), the number of the first positive electrode rivet hole (6-5) and the number of the first negative electrode rivet hole (6-6) are two, a punch-formed conducting bulge (6-2) is arranged between the first two positive electrode rivet holes (6-5), and an anti-explosion valve protection adhesive tape (3), an anti-explosion valve (7) and a limiting ring (6-4) are sequentially arranged inside the anti-explosion valve mounting hole (6-3) from top to bottom.

4. A post staking integrated battery cover as set forth in claim 3, wherein: the upper surface of the plastic (4) on the positive electrode is provided with a placing groove (4-3), the bottom surface of the placing groove (4-3) penetrates through the lower surface of the plastic (4) on the positive electrode, a through hole (4-1) and two positive electrode rivet holes II (4-2) are formed in the lower surface of the plastic (4) on the positive electrode, the through hole (4-1) is correspondingly inserted into the through protrusion (6-2), and the through protrusion (6-2) is attached to the corresponding pole (1); the two positive electrode rivet holes II (4-2) are correspondingly communicated with the two positive electrode rivet holes I (6-5).

5. The post staking integrated battery cover of claim 4, wherein: every the upper end of electrically conductive platform (2) all is equipped with utmost point post through-hole (2-2) and two rivet hole (2-3), utmost point post through-hole (2-2) set up in the middle part of two rivet holes (2-3), and the circumference of utmost point post through-hole (2-2) is equipped with a plurality of anti-torsion grooves (2-1).

6. The post staking integrated battery cover of claim 5, wherein: every utmost point post (1) all includes post seat (1-2) and cylinder (1-3), cylinder (1-3) coaxial setting is in the upper end of post seat (1-2), the circumference of post seat (1-2) upper surface is equipped with a plurality of anti-torsion boss (1-1), and utmost point post (1) inserts in corresponding utmost point post through-hole (2-2), and a plurality of anti-torsion boss (1-1) are pegged graft with a plurality of anti-torsion groove (2-1) one-to-one.

7. The post staking integrated battery cover of claim 6, wherein: the end of lower plastic (9) is equipped with annotates liquid hole two (9-1), annotate liquid hole two (9-1) and annotate liquid hole one (6-1) and correspond the intercommunication setting, the upper end of lower plastic (9) is equipped with two anodal rivet hole three (9-3) and two negative pole rivet hole three (9-4), and the lower extreme of lower plastic (9) is equipped with two and places elongated slot (9-2), one of them place anodal connection piece (10) in elongated slot (9-2) to place elongated slot (9-2) and two anodal rivet hole three (9-3) intercommunication setting, place negative pole connection piece (11) in another elongated slot (9-2) and two negative pole rivet hole three (9-4) intercommunication setting.