CN220106684U - Battery top cover and battery - Google Patents
Battery top cover and battery Download PDFInfo
- Publication number
- CN220106684U CN220106684U CN202320577495.9U CN202320577495U CN220106684U CN 220106684 U CN220106684 U CN 220106684U CN 202320577495 U CN202320577495 U CN 202320577495U CN 220106684 U CN220106684 U CN 220106684U
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- CN
- China
- Prior art keywords
- top cover
- battery
- hole
- pole
- mounting hole
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- 238000007789 sealing Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a battery top cover and a battery, and the technical field of battery design, wherein the top cover comprises: a top cover sheet, wherein the top cover sheet is provided with a mounting hole, and a first bearing part is arranged at a position, close to the mounting hole, on the top cover sheet; the pole is arranged in the mounting hole, and the side wall of the pole is provided with a second bearing part. The connecting piece is provided with a first clamping part and a second clamping part, the first clamping part and the second clamping part are respectively connected with the first bearing part and the second bearing part in a clamping manner, and then, the pole can be fixed in the mounting hole of the top cover plate, the upward and downward movement and rotation of the pole are effectively prevented, the phenomena of air leakage and liquid leakage are avoided, the service life of the battery is prolonged, the use safety of the battery is improved, and meanwhile, the battery top cover is simple in structure, high in manufacturing yield and low in processing cost.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a battery top cover and a battery.
Background
The battery is a power source or storage medium for new energy automobiles, energy storage power stations, new energy application and the like, at present, the pole of the existing battery top cover easily moves and rotates in the vertical direction, and once the pole moves and rotates too much, the phenomena of air leakage and liquid leakage easily occur, so that the service life of the battery is reduced, and the use safety is reduced.
Disclosure of Invention
The utility model aims to provide a battery top cover and a battery for solving the problems that in the prior art, the pole of the prior battery top cover is easy to move and rotate in the vertical direction, and once the pole moves and rotates too much, air leakage and liquid leakage are easy to occur, so that the service life of the battery is reduced and the use safety is improved.
In order to achieve the above object, the present utility model provides a battery top cover comprising:
a top cover sheet, wherein a mounting hole is formed in the top cover sheet, and a first bearing part is arranged at a position, close to the mounting hole, on the top cover sheet;
the pole is arranged in the mounting hole, and a second bearing part is arranged on the side wall of the pole.
The connecting piece, be equipped with first joint portion and second joint portion on the connecting piece, first joint portion with second joint portion is connected with first adapting portion and second adapting portion joint respectively.
Preferably, the connecting piece is annular, and the annular connecting piece is sleeved on the pole.
Preferably, the first clamping portion comprises at least one back-off, a plurality of back-off is arranged on one surface of the connecting piece, which is close to the top cover piece, the first bearing portion comprises at least one back-off hole, a plurality of back-off holes are arranged on one surface of the top cover piece, which is close to the connecting piece, and each back-off is respectively connected with one back-off hole in a clamping mode.
Preferably, the diameter of the back-off hole is gradually wider along the depth direction of the back-off hole, and the shape of the back-off hole is the same as that of the back-off hole.
Preferably, the second clamping portion comprises an annular protruding block, the protruding block is arranged on the inner side wall of the connecting piece, the second bearing portion comprises an annular groove, the groove is arranged on the side wall of the pole, and the protruding block is connected with the groove in a clamping mode.
Preferably, a side wall of the bump away from the pole is in fit connection with the inner side wall of the mounting hole.
Preferably, an annular concave table is arranged between one surface of the top cover plate and the inner side wall of the mounting hole, an annular boss is arranged between one surface of the connecting piece and one side wall of the annular protruding block, and the boss is connected with the concave table in a clamping mode.
Preferably, the battery top cover further comprises an insulating sheet, the insulating sheet is attached to the other surface of the top cover sheet, a connecting hole is formed in the insulating sheet, the connecting hole is communicated with the mounting hole, an annular flanging is extended from the bottom end of the pole towards the circumferential side, and the flanging is attached to one surface, away from the top cover sheet, of the insulating sheet.
Preferably, the battery top cover further comprises a sealing ring, wherein the sealing ring is sleeved on the pole and is in compression joint between the flanging and the top cover sheet.
A battery, comprising:
the battery top cover;
the shell is provided with an opening, and the top cover sheet is connected with the opening;
an electrode assembly disposed within the case.
The utility model provides a battery top cover and a battery, which have the beneficial effects that: the connecting piece of the battery top cover is provided with the first clamping part and the second clamping part, the first clamping part and the second clamping part are respectively connected with the first bearing part and the second bearing part in a clamping manner, and then, the pole can be fixed in the mounting hole of the top cover plate, the upward and downward movement and rotation of the pole are effectively prevented, the phenomena of air leakage and liquid leakage are avoided, and the service life of the battery is prolonged, and the use safety is improved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
Fig. 1 shows a schematic exploded view of a battery top cap according to an embodiment of the present utility model.
Fig. 2 shows a schematic top view of a battery top cover according to an embodiment of the present utility model.
Fig. 3 shows a schematic front view and a cross-sectional structure of a battery top cover according to an embodiment of the present utility model.
Fig. 4 shows an enlarged schematic view of the structure at a in fig. 3.
Fig. 5 shows a schematic top view of a top cover sheet of a battery top cover according to an embodiment of the present utility model.
Fig. 6 shows a schematic bottom view of a battery top cover according to an embodiment of the utility model.
Reference numerals illustrate:
1. a top cover sheet; 2. a mounting hole; 3. a pole; 4. a connecting piece; 5. reversing; 6. a back-off hole; 7. a bump; 8. a groove; 9. a concave table; 10. a boss; 11. an insulating sheet; 12. a connection hole; 13. flanging; 14. an explosion-proof valve assembly; 15. a notch; 16. a through hole; 17. ear grooves; 18. a lug; 19. a positive electrode post; 20. a negative electrode composite pole; 21. explosion-proof holes; 22. a liquid injection hole; 23. and (3) sealing rings.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1 to 4, the present utility model provides a battery top cover comprising:
the top cover plate 1, the top cover plate 1 is provided with a mounting hole 2, and a first bearing part is arranged on the top cover plate 1 at a position close to the mounting hole 2;
the pole 3, the pole 3 sets up in mounting hole 2, and the lateral wall of pole 3 is equipped with the second and accepts the portion.
The connecting piece 4 is provided with a first clamping part and a second clamping part, and the first clamping part and the second clamping part are respectively connected with the first bearing part and the second bearing part in a clamping way.
Specifically, in order to solve the problem that the pole of the existing battery top cover is easy to move and rotate in the vertical direction, once the movement and the rotation amount are too large, air leakage and liquid leakage are easy to occur, and the service life of the battery is reduced, and the safety problem of use is solved.
Preferably, the connecting piece 4 is annular, and the annular connecting piece 4 is sleeved on the pole 3.
Specifically, the connecting piece 4 is a plastic insulating piece, and can be used for insulating between the top cover piece 1 and the pole 3.
Preferably, the first fastening portion includes at least one back-off 5, a plurality of back-off 5 are disposed on a surface of the connecting piece 4 near the top cover 1, the first receiving portion includes at least one back-off hole 6, a plurality of back-off holes 6 are disposed on a surface of the top cover 1 near the connecting piece 4, and each back-off 5 is respectively connected with one back-off hole 6 in a fastening manner.
Specifically, when the back-off 5 is connected to the back-off hole 6 in a clamped manner, the connection piece 4 and the top cover 2 can be restricted from rotating relative to each other, and further, the pole 3 and the top cover 2 can be restricted from rotating relative to each other.
Preferably, the diameter of the back-off hole 6 is gradually wider in the depth direction of the back-off hole 6, and the shape of the back-off 5 is the same as the shape of the back-off hole 6.
Specifically, the design mode that the diameter of back-off hole 6 gradually widens cooperates back-off 5 to use, and the connection is more firm, can avoid connecting piece 4 to break away from top cap piece 2.
Preferably, the second clamping portion comprises an annular protruding block 7, the protruding block 7 is arranged on the inner side wall of the connecting piece 4, the second receiving portion comprises an annular groove 8, the groove 8 is arranged on the side wall of the pole 3, and the protruding block 7 is connected with the groove 8 in a clamping mode.
Specifically, connecting piece 4 and lug 7 can integrated into one piece, and utmost point post 3 and recess 8 can integrated into one piece, and when lug 7 and recess 8 joint were connected, can restrict the axial direction drunkenness of utmost point post 3 along mounting hole 2, enlarged the area of contact between utmost point post 3 and connecting piece 4 simultaneously, further restricted the relative rotation of utmost point post 3 and top cover piece 2 each other through frictional property.
Preferably, a side wall of the bump 7 away from the pole 3 is in fit connection with the inner side wall of the mounting hole 2.
Specifically, the inner side wall of the mounting hole 2 can firmly limit the protruding block 7 in the groove 8, so that the protruding block 7 is prevented from moving to the outer side of the groove 8.
Preferably, an annular concave table 9 is arranged between one surface of the top cover sheet 1 and the inner side wall of the mounting hole 2, an annular boss 10 is arranged between one surface of the connecting piece 4 and one side wall of the annular convex block 7, and the boss 10 is connected with the concave table 9 in a clamping manner.
Specifically, concave station 9 and top cap piece 1 can integrated into one piece, and boss 10 and connecting piece 4 can integrated into one piece, and when boss 10 and concave station 9 joint were connected, the outside drunkenness of connecting piece 4 to mounting hole 2 could be avoided, the fastness of connecting piece 4 installation was improved.
Preferably, the battery top cover further comprises an insulating sheet 11, the insulating sheet 11 is attached to the other surface of the top cover sheet 1, a connecting hole 12 is formed in the insulating sheet 11, the connecting hole 12 is communicated with the mounting hole 2, an annular flanging 13 extends from the bottom end of the pole 3 to the circumferential side, and the flanging 13 is attached to one surface, away from the top cover sheet 1, of the insulating sheet 11.
Specifically, the insulating sheet 11 is a plastic insulating sheet, and can be used for insulating the other surface of the top cover sheet 1.
Preferably, the battery top cover further comprises a sealing ring 23, and the sealing ring 23 is sleeved on the pole 3 and is pressed between the flanging 13 and the top cover sheet 1.
Specifically, one side of insulating piece 11 is located the week side of connecting hole 12 and is equipped with annular spacing groove, and the border wall of turn-ups 13 can the joint in the spacing inslot, plays the effect of location to the position of turn-ups 13, when sealing washer 23 crimping between turn-ups 13 and top cap piece 1, can play sealed effect to the mounting hole, avoids the battery to take place gas leakage and weeping phenomenon.
As shown in fig. 1 and 6, the top cover sheet 1 is preferably provided with a explosion-proof hole 21, an explosion-proof valve assembly 14 is arranged in the explosion-proof hole 21, at least one notch 15 extends from a position, close to the explosion-proof hole 21, on the insulating sheet 11 to a direction away from the top cover sheet 1, and at least one through hole 16 is arranged at the bottom of the notch 15.
Specifically, when the gas pressure in the battery is too high, the explosion-proof sheet of the explosion-proof valve assembly 14 can be broken, so that the gas in the battery is released, and explosion of the battery is avoided.
As shown in fig. 1 and 5, preferably, the concave table 9 is extended to the outside with at least one ear groove 17, the convex table 10 is extended to the outside with at least one lug 18, the lug 18 is clamped in the ear groove 17,
specifically, when the lug 18 is clamped in the lug groove 17, the connecting piece 4 can be prevented from rotating, the connecting piece 4 is positioned, and the installation firmness of the connecting piece 4 is improved.
Preferably, the top cover sheet 1 and the insulating sheet 11 are provided with liquid injection holes 22 at the same position.
Specifically, the electrolyte injection hole 22 is used to inject electrolyte into the battery.
Preferably, the number of the mounting holes 2, the pole 3, the connecting piece 4 and the sealing ring 23 is two, the pole 3 is a positive pole 19 and a negative pole composite pole 20, and the two mounting holes 2 are used for arranging the positive pole 19 and the negative pole composite pole 20.
A battery, comprising:
a battery top cover;
the shell is provided with an opening, and the top cover sheet 1 is connected with the opening;
and an electrode assembly disposed within the case.
Preferably, the electrode assembly comprises a positive plate, a negative plate, a diaphragm and electrolyte, all arranged in the shell, and the diaphragm is arranged between the positive plate and the negative plate.
In summary, when the battery top cover provided by the utility model is implemented on a battery, the pole 3 sequentially passes through the connecting hole of the insulating sheet 11, the sealing ring 23 and the mounting hole 2 of the top cover sheet 1 to be matched with the plastic insulating piece, and when the back-off 5 is connected with the back-off hole 6 in a clamping way, the protruding block 7 is connected with the groove 8 in a clamping way and the boss 10 is connected with the concave table 9 in a clamping way, the pole 3 can be fixed in the mounting hole 2 of the top cover sheet 1, the play and rotation of the pole 3 in the vertical direction are effectively prevented, the phenomena of air leakage and liquid leakage are avoided, the service life of the battery is prolonged, and the use safety of the battery is improved.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. A battery top cover, the top cover comprising:
a top cover sheet, wherein a mounting hole is formed in the top cover sheet, and a first bearing part is arranged at a position, close to the mounting hole, on the top cover sheet;
the pole is arranged in the mounting hole, and a second bearing part is arranged on the side wall of the pole;
the connecting piece, be equipped with first joint portion and second joint portion on the connecting piece, first joint portion with second joint portion is connected with first adapting portion and second adapting portion joint respectively.
2. The battery top cover of claim 1, wherein said connector is annular, and wherein said annular connector is sleeved on said post.
3. The battery top cover according to claim 2, wherein the first clamping portion comprises at least one back-off, a plurality of back-off holes are formed in a surface of the connecting piece, which is close to the top cover piece, the first receiving portion comprises at least one back-off hole, a plurality of back-off holes are formed in a surface of the top cover piece, which is close to the connecting piece, and each back-off hole is respectively connected with one back-off hole in a clamping mode.
4. A battery top cover according to claim 3, wherein the diameter of said back-off hole is gradually wider in the depth direction of said back-off hole, and the shape of said back-off hole is the same as the shape of said back-off hole.
5. The battery top cover of claim 2, wherein the second clamping portion comprises an annular projection disposed on an inner side wall of the connecting member, the second receiving portion comprises an annular groove disposed on a side wall of the post, and the projection is in clamping connection with the groove.
6. The battery top cover of claim 5, wherein a side wall of the projection remote from the post is in abutting engagement with the inner side wall of the mounting hole.
7. The battery top cover according to claim 5, wherein an annular concave table is arranged between one surface of the top cover plate and the inner side wall of the mounting hole, an annular boss is arranged between one surface of the connecting piece and one side wall of the annular protruding block, and the boss is connected with the concave table in a clamping manner.
8. The battery top cover according to claim 1, further comprising an insulating sheet, wherein the insulating sheet is attached to the other surface of the top cover sheet, a connecting hole is formed in the insulating sheet, the connecting hole is communicated with the mounting hole, an annular flanging is extended from the bottom end of the pole towards the circumferential side, and the flanging is attached to one surface of the insulating sheet away from the top cover sheet.
9. The battery top cover of claim 8, further comprising a sealing ring, wherein the sealing ring is sleeved on the pole and is crimped between the flange and the top cover piece.
10. A battery, comprising:
a battery top cover according to any one of claims 1-9;
the shell is provided with an opening, and the top cover sheet is connected with the opening;
an electrode assembly disposed within the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320577495.9U CN220106684U (en) | 2023-03-22 | 2023-03-22 | Battery top cover and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320577495.9U CN220106684U (en) | 2023-03-22 | 2023-03-22 | Battery top cover and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106684U true CN220106684U (en) | 2023-11-28 |
Family
ID=88846160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320577495.9U Active CN220106684U (en) | 2023-03-22 | 2023-03-22 | Battery top cover and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106684U (en) |
-
2023
- 2023-03-22 CN CN202320577495.9U patent/CN220106684U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |