CN218005052U - Square battery cover plate and square battery - Google Patents
Square battery cover plate and square battery Download PDFInfo
- Publication number
- CN218005052U CN218005052U CN202221532490.6U CN202221532490U CN218005052U CN 218005052 U CN218005052 U CN 218005052U CN 202221532490 U CN202221532490 U CN 202221532490U CN 218005052 U CN218005052 U CN 218005052U
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- annular sealing
- sealing portion
- square battery
- boss
- post
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Abstract
The utility model provides a square battery apron and square battery, square battery apron include top cap, connecting piece and anodal post, be provided with the through-hole on the top cap, anodal post set up in the through-hole, the connecting piece set up in anodal post with between the top cap, so that anodal post with form insulating seal between the top cap. The utility model discloses a square battery apron has that occupation high space is little, increases square battery inner space's characteristics.
Description
Technical Field
The utility model relates to a battery apron technical field especially relates to a square battery apron and square battery.
Background
In the existing square battery, positive and negative electrode lugs are led out from the same side of a battery core, a connecting sheet is welded on a square cover plate, and then the purpose of welding and leading out the positive and negative electrode lugs is achieved by welding the positive and negative electrode lugs on the connecting sheet. In the whole process, firstly, connecting sheets are welded on the cover plate, and then positive and negative electrode lugs are welded on the connecting sheets, so that the process is more, and meanwhile, the connecting sheets occupy partial space of the shell, namely, the cover plate is provided with the connecting sheets, and the part for welding the positive and negative electrode lugs is too thick, so that the end space of the square battery is wasted, and the space occupied by the battery core is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a square battery apron to the many problems of current square battery apron occupation space.
In one aspect, the utility model provides a square battery apron, including top cap, connecting piece and anodal post, be provided with the through-hole on the top cap, anodal post set up in the through-hole, the connecting piece set up in anodal post with between the top cap, so that anodal post with form insulating seal between the top cap.
Optionally, the terminal post and the upper end surface of the connecting piece are respectively flush with the upper end surface of the top cover, and the terminal post and the lower end surface of the connecting piece are respectively flush with the lower end surface of the top cover.
Optionally, the connecting member includes a first annular sealing portion and a second annular sealing portion, the first annular sealing portion is disposed between the positive post and the top cap; the second annular sealing part is connected with the first annular sealing part, the second annular sealing part is arranged on the lower end face of the top cover, the outer edge of the second annular sealing part extends in the direction far away from the outer edge of the first annular sealing part, and the inner edge of the second annular sealing part extends towards the lower end face of the positive pole.
Optionally, the connecting piece further includes a third annular sealing portion, the third annular sealing portion is connected to the first annular sealing portion, the third annular sealing portion is disposed on the upper end surface of the top cover, an outer edge of the third annular sealing portion extends in a direction away from the outer edge of the first annular sealing portion, and an inner edge of the third annular sealing portion extends toward the upper end surface of the positive post.
Optionally, the positive post is provided with a first boss, the third annular sealing portion is arranged on the periphery of the first boss, and the upper end face of the first boss is flush with the upper end face of the third annular sealing portion.
Optionally, the positive post is provided with a second boss, the second annular sealing portion is arranged on the periphery of the second boss, and the lower end face of the second boss is flush with the lower end face of the second annular sealing portion.
Optionally, the thickness of the positive post is less than or equal to the thickness of the connector.
On the other hand, the utility model also provides a square battery, include above-mentioned arbitrary one square battery apron.
The utility model discloses in, through set up the through-hole on the top cap, set up the anodal post in the through-hole, reduce the height of anodal post. The connecting piece sets up between positive post and top cap, realizes the insulating seal between positive post and the top cap, and simple structure has improved connection efficiency, has reduced the space of the shared height of top cap simultaneously, improves square battery shell's space utilization.
Drawings
Fig. 1 is a schematic structural diagram of a square battery cover plate according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a square battery cover plate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a square battery cover plate according to another embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a square battery cover plate according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a square battery cover plate according to another embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a square battery cover plate according to another embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a square battery cover plate according to another embodiment of the present invention;
fig. 8 is a schematic cross-sectional view of a square battery cover plate according to another embodiment of the present invention.
The reference numbers in the drawings attached hereto are as follows:
1. a top cover; 2. a connecting member; 21. a first annular seal portion; 22. a second annular seal portion; 23. a third annular seal portion; 3. a positive post; 31. a first boss; 32. a second boss.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "front", "back", "vertical", "horizontal", "up", "down", "inner", "outer", and the like are used only with reference to the drawings, and are not intended to limit the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
As shown in fig. 1-8, the utility model discloses a square battery apron of an embodiment, including top cap 1, connecting piece 2 and anodal post 3, be provided with the through-hole on the top cap 1, anodal post 3 set up in the through-hole, connecting piece 2 set up in anodal post 3 with between the top cap 1, so that anodal post 3 with form insulating seal between the top cap 1.
Specifically, the top cap 1 is made of a conductive material and welded to the case of the prismatic battery. The positive pole 3 is an aluminum sheet. The connecting piece 2 is a sealant, and the connecting piece 2 realizes the connection of the positive post 3 and the top cover 1 through injection molding or thermal compounding.
In this embodiment, the positive post 3 is disposed in the through hole by disposing the through hole in the top cover 1, so that the height of the positive post 3 is reduced. The connecting piece 2 is arranged between the positive pole 3 and the top cover 1, so that the insulating sealing between the positive pole 3 and the top cover 1 is realized, the structure is simple, the connection efficiency is improved, meanwhile, the space of the occupied height of the top cover 1 is reduced, and the space utilization rate of the square battery shell is improved.
As shown in fig. 1 and 2, in some embodiments of the present invention, the terminal post and the upper end surface of the connecting member 2 are respectively flushed with the upper end surface of the top cap 1, the terminal post and the lower end surface of the connecting member 2 are respectively flushed with the lower end surface of the top cap 1, so as to reduce the height of the positive terminal post 3 and improve the space utilization rate of the square battery shell.
As shown in fig. 3 and 4, in some embodiments of the present invention, the connecting member 2 includes a first annular sealing portion 21 and a second annular sealing portion 22, and the first annular sealing portion 21 is disposed between the positive post 3 and the top cap 1. The second annular sealing portion 22 is connected with the first annular sealing portion 21, the second annular sealing portion 22 set up in on the lower terminal surface of top cap 1, the outer fringe of the second annular sealing portion 22 extends to the direction of keeping away from the outer fringe of the first annular sealing portion 21, the inner fringe of the second annular sealing portion 22 extends to the lower terminal surface of positive post 3, improves the joint strength of top cap 1 and positive post 3.
As shown in fig. 5-8, in some embodiments of the present invention, the connecting member 2 further includes a third annular sealing portion 23, the third annular sealing portion 23 is connected to the first annular sealing portion 21, and the third annular sealing portion 23 is disposed on the upper end surface of the top cap 1, an outer edge of the third annular sealing portion 23 extends in a direction away from the outer edge of the first annular sealing portion 21, and an inner edge of the third annular sealing portion 23 extends toward the upper end surface of the positive post 3, so as to improve the connection strength between the top cap 1 and the positive post 3, and enhance the insulating sealing property between the top cap 1 and the positive post 3.
As shown in fig. 5, in some embodiments of the present invention, the positive post 3 is provided with a first boss 31, the third annular sealing portion 23 is disposed at the periphery of the first boss 31, and the upper end surface of the first boss 31 is flush with the upper end surface of the third annular sealing portion 23, so that the positive post 3 is connected to the outside conveniently by providing the first boss 31.
As shown in fig. 6-8, in some embodiments of the present invention, the positive post 3 is provided with a second boss 32, the second annular sealing portion 22 is disposed at the periphery of the second boss 32, and the lower end surface of the second boss 32 is flush with the lower end surface of the second annular sealing portion 22, so that the positive post 3 is connected with the pole core in the directional battery shell by disposing the second boss 32.
Specifically, as shown in fig. 4, in an embodiment of the present invention, the connecting member 2 includes a first annular sealing portion 21 and a second annular sealing portion 22, and the positive post 3 is disposed in the first annular sealing portion 21.
As shown in fig. 5, in another embodiment of the present invention, the connector 2 includes a first annular sealing portion 21, a second annular sealing portion 22 and a third annular sealing portion 23, and the positive post 3 is provided with a first boss 31.
As shown in fig. 6, in another embodiment of the present invention, the connecting member 2 includes a first annular sealing portion 21 and a second annular sealing portion 22, and the positive post 3 is provided with a second boss 32.
As shown in fig. 7, in another embodiment of the present invention, the connecting member 2 includes a first annular sealing portion 21, a second annular sealing portion 22 and a third annular sealing portion 23, and the positive post 3 is provided with a second boss 32.
As shown in fig. 8, in another embodiment of the present invention, the connecting member 2 includes a first annular sealing portion 21, a second annular sealing portion 22 and a third annular sealing portion 23, and the positive post 3 is provided with a first boss 31 and a second boss 32.
In some embodiments of the present invention, the thickness of the positive post 3 is less than or equal to the thickness of the connecting member 2.
On the other hand, an embodiment of the present invention further provides a square battery, including the square battery cover plate according to any one of the above embodiments.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for some of the features described therein. Such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. The square battery cover plate is characterized by comprising a top cover, a connecting piece and a positive pole, wherein a through hole is formed in the top cover, the positive pole is arranged in the through hole, and the connecting piece is arranged between the positive pole and the top cover so that the positive pole and the top cover form insulation sealing.
2. The square battery cover plate according to claim 1, wherein the upper end surfaces of the pole and the connector are flush with the upper end surface of the top cover, respectively, and the lower end surfaces of the pole and the connector are flush with the lower end surface of the top cover, respectively.
3. The square battery lid plate according to claim 1, wherein the connecting member comprises a first annular sealing portion and a second annular sealing portion, the first annular sealing portion being disposed between the positive post and the top cap; the second annular sealing portion is connected with the first annular sealing portion, the second annular sealing portion is arranged on the lower end face of the top cover, the outer edge of the second annular sealing portion extends towards the direction far away from the outer edge of the first annular sealing portion, and the inner edge of the second annular sealing portion extends towards the lower end face of the positive pole.
4. The square battery cover plate according to claim 3, wherein the connecting member further comprises a third annular sealing portion, the third annular sealing portion is connected to the first annular sealing portion, the third annular sealing portion is disposed on the upper end surface of the top cover, an outer edge of the third annular sealing portion extends in a direction away from an outer edge of the first annular sealing portion, and an inner edge of the third annular sealing portion extends toward the upper end surface of the positive post.
5. The square battery cover plate according to claim 4, wherein the positive post is provided with a first boss, the third annular sealing part is arranged on the periphery of the first boss, and the upper end face of the first boss is flush with the upper end face of the third annular sealing part.
6. The square battery cover plate according to any one of claims 3 to 5, wherein the positive post is provided with a second boss, the second annular sealing part is arranged on the periphery of the second boss, and the lower end face of the second boss is flush with the lower end face of the second annular sealing part.
7. The square battery lid plate according to claim 1, wherein the positive post has a thickness less than or equal to the thickness of the connector.
8. A prismatic battery comprising the prismatic battery cover of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221532490.6U CN218005052U (en) | 2022-06-17 | 2022-06-17 | Square battery cover plate and square battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221532490.6U CN218005052U (en) | 2022-06-17 | 2022-06-17 | Square battery cover plate and square battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218005052U true CN218005052U (en) | 2022-12-09 |
Family
ID=84294261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221532490.6U Active CN218005052U (en) | 2022-06-17 | 2022-06-17 | Square battery cover plate and square battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218005052U (en) |
-
2022
- 2022-06-17 CN CN202221532490.6U patent/CN218005052U/en active Active
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