CN216311923U - Battery top cap and battery - Google Patents
Battery top cap and battery Download PDFInfo
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- CN216311923U CN216311923U CN202122887052.3U CN202122887052U CN216311923U CN 216311923 U CN216311923 U CN 216311923U CN 202122887052 U CN202122887052 U CN 202122887052U CN 216311923 U CN216311923 U CN 216311923U
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- pole
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Abstract
The utility model relates to a battery top cover and a battery, wherein the battery top cover comprises: the pole comprises a pole block, a top cover plate, an electric connecting piece, a pole and a connecting piece; the top cover plate is provided with a pole column hole, the electric connecting piece is provided with a pole column hole, the pole column is fixedly connected with the connecting piece, the connecting piece is provided with an outer edge, the size of the outer edge is larger than that of the pole column, and the outer edge is positioned on the periphery of the lower end face of the pole column; the upper end of the pole penetrates through the pole hole of the top cover plate and the pole hole of the electrical connecting piece; the top surface of the pole is welded with the bottom surface of the pole block. The battery top cover assembly solves the problem that most battery top covers are combined by adopting the processes of injection molding, welding, riveting and the like as the assembly mode. The assembly of the battery top cover is simplified, and the assembly can be completed only by welding.
Description
Technical Field
The utility model relates to the field of batteries, in particular to a battery top cover and a battery.
Background
The battery has stable and reliable performance and simple structure, and the application of the battery is more and more extensive, so the battery plays a great role in various aspects of modern social life. Most of the battery top covers in the prior industry adopt the combination of processes such as injection molding, welding, riveting and the like as an assembly mode, the processing mode of the battery top covers is too complex, and the cost is higher in the processing and manufacturing process.
Therefore, how to simplify the assembly design of the battery top cover is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the related art, the present application provides a battery top cover and a battery, aiming to simplify the assembly design of the battery top cover.
A battery top cap, comprising: the pole comprises a pole block, a top cover plate, an electric connecting piece, a pole and a connecting piece; the top cover plate is provided with a pole column hole, the electric connecting piece is provided with a pole column hole, the pole column is fixedly connected with the connecting piece, the connecting piece is provided with an outer edge, the size of the outer edge is larger than that of the pole column, and the outer edge is positioned on the periphery of the lower end face of the pole column; the upper end of the pole penetrates through the pole hole of the top cover plate and the pole hole of the electrical connecting piece; the top surface of the pole is welded with the bottom surface of the pole block.
Optionally, the terminal post and the connecting piece are fixedly connected, and the terminal post comprises: make through integrated into one piece utmost point post with the connection piece is connected.
Optionally, the integrally forming of the pole and the connecting piece includes: and locally stamping from the first surface to the second surface of the sheet material to form the convex pole.
Optionally, the connecting tab is bent with respect to the pole.
Optionally, an included angle at which the connecting sheet is bent relative to the pole includes: any angle between 80 degrees and 90 degrees.
Optionally, the electric connection piece includes the top cap piece plastic, the top cap piece plastic is provided with the utmost point post hole, the top cap piece plastic set up with the top cap piece with between the connection piece, top cap piece plastic up end with terminal surface contact under the top cap piece, utmost point post upper end passes the utmost point post hole of top cap piece plastic, utmost point post side with the contact of top cap piece plastic.
Optionally, the electrical connector further comprises a pole piece plastic, the pole piece plastic is provided with a pole hole, and a limit groove corresponding to the pole piece is formed in the pole piece plastic.
Optionally, the top cover plate is provided with a limiting groove corresponding to the pole block plastic.
Optionally, the battery top cap further comprises: and the sealing ring is embedded in the pole block plastic and the top cover sheet and is in plastic contact with the top cover sheet.
Based on same utility model conceive, this application still provides a battery, its characterized in that, including battery case and as above-mentioned battery top cap, battery case with form the cavity between the battery top cap, electrolyte has been installed to the cavity.
The application provides a pair of battery top cap and battery, battery top cap includes: the pole comprises a pole block, a top cover plate, an electric connecting piece, a pole and a connecting piece; the top cover plate is provided with a pole column hole, the electric connecting piece is provided with a pole column hole, the pole column is fixedly connected with the connecting piece, the connecting piece is provided with an outer edge, the size of the outer edge is larger than that of the pole column, and the outer edge is positioned on the periphery of the lower end face of the pole column; the upper end of the pole penetrates through the pole hole of the top cover plate and the pole hole of the electrical connecting piece; the top surface of the pole is welded with the bottom surface of the pole block. The battery top cover assembly solves the problem that most battery top covers are assembled by adopting the processes of injection molding, welding, riveting and the like. The assembly of the battery top cover is simplified, and the assembly can be completed only by welding.
Drawings
Fig. 1 is an exploded view of a top cap of a battery according to an embodiment of the present invention;
fig. 2 is a front view of a battery top cover according to another alternative embodiment of the present invention;
fig. 3 is a top view of a battery top cover according to another alternative embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a battery top cap according to another alternative embodiment of the present invention;
description of reference numerals:
the electrode block comprises an electrode block 1, a top cover plate 2, an electrode column 3, a connecting sheet 4, an outer edge 41, top cover plate plastic 5, electrode block plastic 6, a sealing ring 7, an explosion-proof hole 8 and a protective film 9.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Based on the fact that most of the battery top covers in the industry mostly adopt the combination of processes such as injection molding, welding, riveting and the like as an assembly mode, the present application hopes to provide a solution to the above technical problems, and the details thereof will be described in the following embodiments.
As shown in fig. 1, which is a schematic diagram of an explosion structure of the battery top cap in this embodiment, the battery top cap includes a pole block 1, a top cover plate 2, an electrical connector, a pole 3, and a connecting sheet 4. Wherein the top cap piece 2 is provided with utmost point post hole, and electric connecting piece is provided with utmost point post hole, utmost point post 3 and connection piece 4 fixed connection, and connection piece 4 is provided with outer edge 41, and outer edge 41's size is greater than utmost point post 3 size, and outer edge lies in utmost point post 3 lower terminal surface periphery. The upper end of the pole 3 penetrates through the pole hole of the top cover plate 2 and the pole hole of the electric connecting piece. The top surface of the pole 3 is welded with the bottom surface of the pole block 1.
In some examples, the fixedly connecting the pole 3 and the connecting piece 4 may include: the pole 3 is connected with the connecting piece 4 by integral molding. Namely, the pole 3 and the connecting piece 4 are a connecting integral component. So as to avoid the increase of impedance value and the low overall yield. Wherein utmost point post 3 and 4 integrated into one piece of connection piece can include: and locally stamping from the first surface to the second surface of the sheet material to form the convex pole 3. The pole 3 can be punched by a thin plate, so that the processing difficulty, the loss and the raw material waste are reduced, the yield can be improved, and the batch consistency is improved. The terminal can also be formed by pouring into a mold having the integrally formed pole 3 and connecting piece 4. In other examples, the connection of the pole 3 and the connecting plate 4 can also be realized by welding the pole 3 and the connecting plate 4. In some examples, the connecting piece 4 is bent with respect to the pole 3 in a direction of bending toward a lower end surface of the connecting piece 4. Wherein the contained angle that connection piece 4 is buckled for utmost point post 3 includes: any angle between 0 degrees and 90 degrees. Such as 0 degrees, 25 degrees, 45 degrees, 60 degrees, 80 degrees, 90 degrees, etc. Preferably, the included angle of the bending is any angle between 80 degrees and 90 degrees. Such as 82 degrees, 85 degrees, 86 degrees, etc. The above is merely an illustration of the bending angle and is not limited to the above exemplary angle. In some examples, the electrode posts 3 include a positive electrode post 3 and a negative electrode post 3, wherein the length of the connecting piece 4 corresponding to the positive electrode post 3 and the length of the connecting piece 4 corresponding to the negative electrode post 3 can be different, so as to distinguish between positive and negative electrodes, improve the welding efficiency of the electrode block 1 with the same electrode and the electrode post 3 corresponding to the same electrode, and save raw materials.
In some examples, the electrical connector may include a top cover sheet plastic 5, wherein the top cover sheet plastic 5 is provided with the post holes, and the top cover sheet plastic 5 is disposed between the top cover sheet 2 and the connecting pads 4. The upper end face of the top cover plate plastic 5 is contacted with the lower end face of the top cover plate 2, the upper end of the pole 3 penetrates through the pole hole of the top cover plate plastic 5, and the side face of the pole 3 is contacted with the top cover plate plastic 5. Wherein, the electric connection piece can also include utmost point piece plastic 6, and utmost point piece plastic 6 is provided with the utmost point post hole, is provided with the spacing recess that corresponds with utmost point piece 1 on the utmost point piece plastic 6. In other examples, the pole piece plastic 6 may also be provided with an outer wall of the pole piece 1. Wherein the pole piece 1 includes: the negative electrode comprises a positive electrode block 1 and a negative electrode block 1, wherein the positive electrode block plastic 6 correspondingly arranged on the positive electrode block 1 is conductive plastic, and the negative electrode block plastic 6 correspondingly arranged on the negative electrode block 1 is insulating plastic.
In some examples, the top cover plate 2 may be provided with a corresponding limiting groove of the pole piece plastic 6. In some examples, the battery top cap may further include a sealing ring 7, the sealing ring 7 being embedded within the pole piece plastic 6 and the top cap piece 2 and in contact with the top cap piece plastic 5. Wherein, explosion-proof hole 8 can also be arranged on the top cover plate 2, an explosion-proof valve is arranged in the explosion-proof hole 8, and a protective film 9 is pasted on the explosion-proof hole 8. Wherein the protection film 9 covers the explosion-proof hole 8, and the shape of the protection film 9 can be round, square, oval, rectangle, etc. The above is merely an example of the shape of the protective film 9, and is not limited to the above shape.
The battery top cap in this embodiment includes: the electrode comprises an electrode block 1, a top cover plate 2, an electrical connecting piece, an electrode column 3 and a connecting piece 4; the top cover plate 2 is provided with a pole post hole, and the electric connecting piece is provided with a pole post hole. Utmost point post 3 and connection piece 4 fixed connection, connection piece 4 are provided with outer edge 41, and outer edge 41's size is greater than utmost point post 3 size, and outer edge is located utmost point post 3 lower terminal surface periphery. The upper end of the pole 3 penetrates through the pole hole of the top cover plate 2 and the pole hole of the electrical connecting piece; the top surface of the pole 3 is welded with the bottom surface of the pole block 1. The battery top cover assembly solves the problem that most battery top covers are assembled by adopting the processes of injection molding, welding, riveting and the like. The assembly design of the battery top cover is simplified, and the assembly can be completed only by welding.
Another alternative embodiment of the utility model:
the battery top cover provided by the utility model solves the problem that most battery top covers are assembled by adopting the combination of processes such as injection molding, welding, riveting and the like, simplifies the assembly of the battery top cover, and can be assembled only by welding.
Fig. 2 is a front view of a battery top cap provided by an embodiment, wherein the battery top cap comprises a pole block 1, a top cover plate 2, an electrical connector, a pole 3 and a connecting sheet 4. Wherein the top cap piece 2 is provided with utmost point post hole, and electric connecting piece is provided with utmost point post hole, utmost point post 3 and the integrative stamping forming of connection piece 4, and connection piece 4 is provided with outer edge 41, and outer edge 41's size is greater than utmost point post 3 size, and outer edge lies in utmost point post 3 lower terminal surface periphery. The connection tab is bent with respect to the pole 3 in a direction in which it is bent toward the lower end surface of the connection tab 4. Wherein the connecting sheet 4 is bent downwards relative to the pole 3 at an included angle of 90 degrees. The electrical connector includes a pole piece plastic 6 and a top cover plastic 5, as shown in fig. 4, wherein the upper end of the pole 3 sequentially passes through the pole hole of the top cover plastic 5, the pole hole of the top cover 2, and the pole hole of the pole piece plastic 6. The upper end surface of the pole 3 is in laser penetration welding with the lower end surface of the pole block 1. Wherein, the pole block plastic 6 is provided with a limit groove corresponding to the pole block 1. And a limiting groove corresponding to the pole block plastic 6 is arranged on the top cover plate 2. The sealing ring 7 is embedded in the pole block plastic 6 and the top cover plate 2 and is contacted with the top cover plate plastic 5. Wherein, the top cover plate 2 is also provided with an explosion-proof hole 8, an explosion-proof valve is arranged in the explosion-proof hole 8, and a circular protective film 9 is pasted on the explosion-proof hole 8. The protective film 9 can be seen in fig. 3.
In the battery top cap in this embodiment, pass the utmost point post hole of top cap piece plastic, the utmost point post hole of top cap piece, the utmost point post hole of utmost point piece plastic through utmost point post upper end in proper order. The upper end face of the pole is in laser penetration welding with the lower end face of the pole block. The pole and the connecting sheet are integrally formed by punching, so that the problem that most of battery top covers are combined by adopting the processes of injection molding, welding, riveting and the like as an assembling mode is solved. The assembly design of the battery top cover is simplified, the assembly can be completed only by welding, poor welding between the connecting sheet and the pole can be avoided, and the overall yield is reduced. The pole can be formed by adopting a sheet stamping mode, and compared with the pole in the existing machining mode, the pole not only reduces the processing difficulty, reduces the loss and the raw material waste, but also improves the yield and improves the batch consistency. Meanwhile, the technical assembly problem caused by the height switching of the pole blocks is solved, the pole blocks can be switched along with the battery assembly requirement, and the overall performance of the switched rear cover plate structural part is not influenced.
In another embodiment of the present invention:
the battery top cover assembly method aims to solve the problem that most battery top covers are combined by adopting the processes of injection molding, welding, riveting and the like as the assembly mode, and the assembly of the battery top covers is simplified. This embodiment also provides a battery, and the battery in this implementation includes: the battery top cover comprises a battery shell and the battery top cover in any one of the embodiments, wherein a cavity is formed between the battery shell and the battery top cover, and the cavity is provided with electrolyte. Wherein the battery may be a lithium battery.
Through the battery top cap in the battery in this embodiment, the pole post hole of top cap piece plastic, the pole post hole of top cap piece, the pole post hole of utmost point piece plastic are passed in proper order to accessible utmost point post upper end. The upper end face of the pole is in laser penetration welding with the lower end face of the pole block. The pole and the connecting sheet are integrally formed in a punching mode. The battery top cover assembly solves the problem that most battery top covers are combined by adopting the processes of injection molding, welding, riveting and the like as the assembly mode. The assembly design of the battery top cover is simplified, the assembly can be completed only by welding, poor welding between the connecting sheet and the pole can be avoided, and the overall yield is reduced. The pole can be formed by adopting a sheet stamping mode, and compared with the pole in the existing machining mode, the pole not only reduces the processing difficulty, reduces the loss and the raw material waste, but also improves the yield and improves the batch consistency. Meanwhile, the technical assembly problem caused by the height switching of the pole blocks is solved, the pole blocks can be switched along with the battery assembly requirement, and the overall performance of the switched rear cover plate structural part is not influenced.
It is to be understood that the utility model is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the utility model as defined by the appended claims.
Claims (10)
1. A battery top cap, comprising: the pole comprises a pole block, a top cover plate, an electric connecting piece, a pole and a connecting piece; the top cover plate is provided with a pole column hole, the electric connecting piece is provided with a pole column hole, the pole column is fixedly connected with the connecting piece, the connecting piece is provided with an outer edge, the size of the outer edge is larger than that of the pole column, and the outer edge is positioned on the periphery of the lower end face of the pole column; the upper end of the pole penetrates through the pole hole of the top cover plate and the pole hole of the electrical connecting piece; the top surface of the pole is welded with the bottom surface of the pole block.
2. The battery top cap of claim 1, wherein the post and tab are fixedly connected comprising: make through integrated into one piece utmost point post with the connection piece is connected.
3. The battery top cap of claim 2, wherein integrally forming the post to connect with the tab comprises: and locally stamping from the first surface to the second surface of the sheet material to form the convex pole.
4. The battery top cap of claim 3, wherein the tab is bent with respect to the post.
5. The battery top cap of claim 4, wherein the included angle at which the tab is bent relative to the post comprises: any angle between 80 degrees and 90 degrees.
6. The battery top cap of any one of claims 1-5, wherein the electrical connector comprises a top cap plastic, the top cap plastic is provided with a pole hole, the top cap plastic is disposed between the top cap and the connecting tab, an upper end surface of the top cap plastic is in contact with a lower end surface of the top cap, an upper end of the pole passes through the pole hole of the top cap plastic, and a side surface of the pole is in contact with the top cap plastic.
7. The battery top cap of claim 6, wherein the electrical connector further comprises a pole piece plastic, the pole piece plastic is provided with a pole post hole, and a limiting groove corresponding to the pole piece is formed in the pole piece plastic.
8. The battery top cap of claim 7, wherein the top cap piece is provided with a limiting groove corresponding to the pole piece plastic.
9. The battery top cap of claim 8, further comprising: and the sealing ring is embedded in the pole block plastic and the top cover sheet and is in plastic contact with the top cover sheet.
10. A battery comprising a battery housing and a battery top cover as claimed in any of claims 1 to 9, said battery housing and said battery top cover forming a chamber therebetween, said chamber being provided with an electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122887052.3U CN216311923U (en) | 2021-11-19 | 2021-11-19 | Battery top cap and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122887052.3U CN216311923U (en) | 2021-11-19 | 2021-11-19 | Battery top cap and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216311923U true CN216311923U (en) | 2022-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122887052.3U Active CN216311923U (en) | 2021-11-19 | 2021-11-19 | Battery top cap and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216311923U (en) |
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2021
- 2021-11-19 CN CN202122887052.3U patent/CN216311923U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A battery top cover and battery Effective date of registration: 20220907 Granted publication date: 20220415 Pledgee: Ma'anshan branch of Bank of China Ltd. Pledgor: MAANSHAN DACANG PRECISION TECHNOLOGY CO.,LTD. Registration number: Y2022980014657 |