CN219066991U - Battery top cap subassembly and battery - Google Patents
Battery top cap subassembly and battery Download PDFInfo
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- CN219066991U CN219066991U CN202223250425.7U CN202223250425U CN219066991U CN 219066991 U CN219066991 U CN 219066991U CN 202223250425 U CN202223250425 U CN 202223250425U CN 219066991 U CN219066991 U CN 219066991U
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- hole
- battery
- sealing
- battery top
- top cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery top cover assembly and a battery, wherein the battery top cover assembly comprises: the battery top cover, the liquid injection piece and the sealing assembly are provided with a first through hole; the liquid injection piece is arranged on the inner side of the battery top cover and is connected with the battery top cover, and a second through hole which is opposite to and communicated with the first through hole is formed in the liquid injection piece; the sealing component is detachably arranged in the first through hole and the second through hole. According to the battery top cover assembly provided by the embodiment of the utility model, the sealing assembly is detachably arranged in the first through hole and the second through hole, so that the sealing assembly is convenient to disassemble and assemble, and the sealing assembly can be disassembled and assembled for multiple times, so that electrolyte is supplemented into the battery for multiple times, and the service life of the battery is ensured; the sealing assembly may also seal the first and second through-holes, and may prevent electrolyte within the battery from leaking from the first and second through-holes.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery top cover assembly and a battery.
Background
In the related art, the battery top cover is provided with a liquid injection hole of electrolyte, the liquid injection hole is usually sealed by adopting a sealing plastic nail and a sealing aluminum sheet, and the liquid injection hole is difficult to open for the second time, so that the electrolyte is difficult to supplement to the battery, and the service life of the battery is easy to influence.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a battery top cover assembly, wherein a sealing assembly is detachably disposed in a first through hole and a second through hole, so that the sealing assembly is convenient to disassemble and assemble, and the sealing assembly can be disassembled and assembled for multiple times, thereby realizing the supplement of electrolyte into a battery for multiple times, and ensuring the service life of the battery; the sealing assembly may also seal the first and second through-holes, and may prevent electrolyte within the battery from leaking from the first and second through-holes.
The utility model also provides a battery with the battery top cover assembly.
An embodiment of a battery top cap assembly according to a first aspect of the present utility model includes: the battery top cover is provided with a first through hole; the liquid injection piece is arranged on the inner side of the battery top cover and is connected with the battery top cover, and a second through hole which is opposite to and communicated with the first through hole is formed in the liquid injection piece; and the sealing assembly is detachably arranged in the first through hole and the second through hole.
According to the battery top cover assembly provided by the embodiment of the utility model, the sealing assembly is detachably arranged in the first through hole and the second through hole, so that the sealing assembly is convenient to disassemble and assemble, and the sealing assembly can be disassembled and assembled for multiple times, so that electrolyte is supplemented into the battery for multiple times, and the service life of the battery is ensured; the sealing assembly may also seal the first and second through-holes, and may prevent electrolyte within the battery from leaking from the first and second through-holes.
According to some embodiments of the utility model, the liquid injection piece and the battery top cover are all independent molded pieces, and the liquid injection piece is welded with the inner wall of the battery top cover.
According to some embodiments of the utility model, the second through hole includes a fitting groove that is opposite to and communicates with the first through hole, and a liquid injection hole formed on a bottom wall of the fitting groove; the sealing assembly comprises a threaded fastener and a sealing plug, wherein the threaded fastener is in threaded connection with the first through hole and the matching groove, the sealing plug is detachably used for sealing the liquid injection hole, and the end part of the threaded fastener is propped against the sealing plug.
According to some alternative embodiments of the utility model, the first through hole has a connecting section threadedly connected with the threaded fastener, the connecting section having a diameter identical to a diameter of the mating groove.
According to some alternative embodiments of the utility model, the outer wall surface of the battery top cover is provided with a limit groove, the limit groove surrounds the outer peripheral side of the first through hole and is communicated with the first through hole, and the head of the threaded fastener is accommodated in the limit groove.
According to some alternative embodiments of the utility model, the sealing plug is a rubber plug.
According to some optional embodiments of the present utility model, the sealing plug includes a sealing body, a first limiting portion and a second limiting portion, where the first limiting portion and the second limiting portion are respectively disposed at two axial ends of the sealing body, the first limiting portion and the second limiting portion are both formed on an outer peripheral wall of the sealing body, the sealing body is accommodated in the liquid injection hole, the first limiting portion abuts against an inner bottom wall surface of the matching groove, and the second limiting portion abuts against an outer bottom wall surface of the matching groove.
According to some alternative embodiments of the utility model, the battery top cap assembly further includes: the sealing ring is arranged on the inner bottom wall surface of the matching groove and surrounds the outer periphery side of the sealing plug, and the end part of the threaded fastener abuts against the sealing ring.
In some alternative embodiments of the present utility model, an inner bottom wall surface of the fitting groove is formed with an accommodating groove which surrounds an outer peripheral side of the sealing plug and is provided spaced apart from the sealing plug, and the sealing ring is accommodated in the accommodating groove.
A battery according to an embodiment of the second aspect of the present utility model includes: a housing having an open end; the battery cell is arranged in the shell; according to the battery top cap assembly according to the embodiment of the first aspect of the present utility model, the battery top cap assembly is provided at the open end of the case.
According to the battery provided by the embodiment of the utility model, the sealing component is detachably arranged in the first through hole and the second through hole by arranging the battery top cover component, so that the sealing component is convenient to disassemble and assemble, and the sealing component can be disassembled and assembled for multiple times, so that electrolyte is supplemented into the battery for multiple times, and the service life of the battery is ensured; the sealing assembly may also seal the first and second through-holes, and may prevent electrolyte within the battery from leaking from the first and second through-holes.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a battery top cap assembly according to some embodiments of the present utility model;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic view of the structure of the battery top cover and the liquid filling member in fig. 1.
Reference numerals:
100. a battery top cap assembly;
1. a battery top cover; 10. a first through hole; 11. a connection section; 12. a limit groove;
2. a liquid injection member; 20. a second through hole; 21. a mating groove; 22. a bottom wall; 23. the second limit groove; 24. a liquid injection hole; 25. an inner bottom wall surface; 26. an accommodating groove; 27. an outer bottom wall surface;
3. a seal assembly; 30. a sealing plug; 31. a first limit part; 32. a second limit part; 33. a sealing body; 34. a threaded fastener;
4. and (3) sealing rings.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The battery top cap assembly 100 according to the embodiment of the present utility model is described below with reference to the accompanying drawings.
Referring to fig. 1 to 3, a battery top cap assembly 100 according to an embodiment of the first aspect of the present utility model includes: the battery top cover 1, the liquid injection piece 2 and the sealing component 3 are arranged on the battery top cover 1, and a first through hole 10 is formed in the battery top cover 1; the liquid injection member 2 is disposed at the inner side of the battery top cover 1, and the liquid injection member 2 is connected with the battery top cover 1, which is helpful for enhancing the overall stability of the battery top cover assembly 100. The injection member 2 is provided with a second through hole 20, the second through hole 20 is opposite to and communicates with the first through hole 10, for example, referring to fig. 3, the second through hole 20 is located at the lower side of the first through hole 10, the second through hole 20 may be provided with an injection hole 24 of a battery, electrolyte may be injected into the battery through the first through hole 10 and the second through hole 20 in sequence, and electrolyte may be extracted from the battery through the first through hole 10 and the second through hole 20.
Referring to fig. 1, the sealing assembly 3 is detachably disposed in the first through hole 10 and the second through hole 20, so that the sealing assembly 3 can be conveniently detached from the first through hole 10 and the second through hole 20, and the sealing assembly 3 can perform a sealing function on the first through hole 10 and the second through hole 20. The sealing assembly 3 is arranged on the first through hole 10 and the second through hole 20, so that the sealing assembly 3 can seal the first through hole 10 and the second through hole 20, and electrolyte in the battery can be prevented from leaking from the first through hole 10 and the second through hole 20; in addition, through seal assembly 3 can dismantle in first through-hole 10 and second through-hole 20, seal assembly 3 can realize dismantling many times to realize supplying electrolyte in the battery many times (twice or more), in order to guarantee the life of battery. For example, after the seal assembly 3 is detached from the first through hole 10 and the second through hole 20, the electrolyte can be replenished into the battery through the first through hole 10 and the second through hole 20, and after the replenishment is completed, the seal assembly 3 is provided in the first through hole 10 and the second through hole 20, so that the first through hole 10 and the second through hole 20 can be sealed to prevent the electrolyte in the battery from leaking.
According to the battery top cover assembly 100 provided by the embodiment of the utility model, the sealing assembly 3 is detachably arranged on the first through hole 10 and the second through hole 20, so that the sealing assembly 3 is convenient to disassemble and assemble, and the sealing assembly 3 can be disassembled and assembled for multiple times, so that electrolyte is supplemented into a battery for multiple times, and the service life of the battery is ensured; the sealing assembly 3 may also seal the first and second through- holes 10 and 20, and may prevent electrolyte within the battery from leaking from the first and second through- holes 10 and 20.
According to some embodiments of the present utility model, the liquid injection part 2 and the battery top cover 1 are all independent molded parts, and the liquid injection part 2 is welded to the inner wall of the battery top cover 1, so that the operation is simpler, the liquid injection part 2 is stably connected to the battery top cover 1, and the overall stability of the battery top cover assembly 100 is enhanced.
According to other embodiments of the present utility model, the injection member 2 and the battery top cover 1 may be integrally formed, so that the assembly process may be reduced, which helps to enhance the overall stability of the battery top cover assembly 100.
Referring to fig. 1-3, according to some embodiments of the present utility model, a first through hole 10 is provided in a battery top cover 1, and a second through hole 20 is provided in a liquid injection member 2, wherein the second through hole 20 is opposite to and communicates with the first through hole 10. The second through hole 20 comprises a matching groove 21 and a liquid injection hole 24, the matching groove 21 is opposite to and communicated with the first through hole 10, the liquid injection hole 24 is formed on the bottom wall 22 of the matching groove 21, electrolyte can be supplemented into the battery through the liquid injection hole 24, and the electrolyte can be extracted from the battery through the liquid injection hole 24; wherein, seal assembly 3 includes threaded fastener 34 and sealing plug 30, and threaded fastener 34 and first through-hole 10 and cooperation groove 21 threaded connection can strengthen the stability that threaded fastener 34 and battery top cap 1 and notes liquid piece 2 are connected to convenient dismantlement. The sealing plug 30 can be used for detachably sealing the liquid injection hole 24, and the sealing plug 30 can be repeatedly disassembled to realize repeated opening of the liquid injection hole 24 and repeated electrolyte supplementation; the sealing plug 30 can also seal the liquid injection hole 24 to prevent liquid leakage of the liquid injection hole 24; the end of the threaded fastener 34 abuts against the sealing plug 30 to enhance the tightness of the seal assembly 3 against the pour hole 24.
For example, when electrolyte is replenished, the threaded fastener 34 may be rotated first, so that the threaded fastener 34 is disengaged from the first through hole 10 and the engagement groove 21, and the threaded fastener 34 is detached from the battery top cover 1 and the electrolyte injection member 2, and then the sealing plug 30 is detached from the electrolyte injection hole 24, so that the electrolyte injection hole 24 is opened, and electrolyte can be replenished into the battery through the electrolyte injection hole 24. After the electrolyte is replenished, the sealing plug 30 can be plugged into the liquid injection hole 24, so that the liquid injection hole 24 is plugged, and the liquid injection hole 24 is prevented from leaking; the threaded fastener 34 may then be screwed into the first through hole 10 and the mating groove 21, and the threaded fastener 34 may be screwed such that the end of the threaded fastener 34 abuts against the sealing plug 30, thereby completing the installation of the sealing assembly 3, and the sealing assembly 3 may seal the first through hole 10 and the second through hole 20.
Referring to fig. 1 and 3, according to some alternative embodiments of the present utility model, the first through hole 10 has a connection section 11, the connection section 11 is in threaded connection with the threaded fastener 34, and the diameter D1 of the connection section 11 is the same as the diameter D2 of the mating groove 21, so that the first through hole 10 and the mating groove 21 are both closely matched with the threaded fastener 34, which can ensure the stability of the battery cover plate assembly as a whole and help to enhance the sealing effect of the threaded fastener 34 on the first through hole 10 and the mating groove 21.
Referring to fig. 1, according to some alternative embodiments of the present utility model, the outer wall surface of the battery top cover 1 is provided with a limiting groove 12, the limiting groove 12 surrounds the outer circumferential side of the first through hole 10, and the limiting groove 12 is communicated with the first through hole 10, the head of the threaded fastener 34 is accommodated in the limiting groove 12, and the limiting groove 12 can limit the threaded fastener 34 in the direction towards the first through hole 10, so as to help to enhance the stability of mounting the threaded fastener 34 on the battery top cover 1.
According to some alternative embodiments of the present utility model, the sealing plug 30 is a rubber plug that is resistant to corrosion and is easily deformable, and when the end of the threaded fastener 34 abuts the rubber plug, the rubber plug may be compressed, thereby enhancing the sealing of the sealing plug 30 to the pour hole 24. For example, the rubber stopper may be a fluororubber stopper.
Referring to fig. 2, according to some alternative embodiments of the present utility model, the sealing plug 30 includes a sealing main body 33, a first limiting portion 31 and a second limiting portion 32, where the first limiting portion 31 and the second limiting portion 32 are respectively disposed at two axial ends of the sealing main body 33, the first limiting portion 31 and the second limiting portion 32 are both formed on an outer peripheral wall of the sealing main body 33, the sealing main body 33 is accommodated in the filling hole 24, the first limiting portion 31 is abutted with an inner bottom wall 22 surface of the matching groove 21, and the second limiting portion 32 is abutted with an outer bottom wall 22 surface of the matching groove 21, so that the sealing plug 30 is more closely matched with the filling hole 24, the sealing plug 30 is prevented from being separated from the filling hole 24, and the sealing property of the sealing plug 30 to the filling hole 24 is enhanced, so as to avoid the leakage of the filling hole 24. For example, the inner bottom wall 22 of the mating groove 21 is further provided with a second limiting groove 23, the second limiting groove 23 surrounds the outer periphery of the first liquid injection hole 24, the second limiting groove 23 is communicated with the liquid injection hole 24, and the first limiting portion 31 is abutted against the inner wall of the second limiting groove 23.
Referring to fig. 1, according to some alternative embodiments of the present utility model, the battery top cap assembly 100 further includes a sealing ring 4, the sealing ring 4 is disposed on the inner bottom wall 22 of the mating groove 21, the sealing ring 4 surrounds the outer circumference side of the sealing plug 30, the end of the threaded fastener 34 abuts against the sealing ring 4, and the sealing ring 4 can further seal the liquid injection hole 24 on the basis that the sealing plug 30 seals the liquid injection hole 24, so as to further enhance the tightness of the second through hole 20 and prevent liquid leakage.
Referring to fig. 1 and 3, in some alternative embodiments of the present utility model, the inner bottom wall 22 of the mating groove 21 is formed with a receiving groove 26, the receiving groove 26 surrounds the outer circumferential side of the sealing plug 30, and the receiving groove 26 is spaced apart from the sealing plug 30, the sealing ring 4 is received in the receiving groove 26, the end of the threaded fastener 34 abuts against the sealing ring 4, and the sealing ring 4 can further enhance the sealing property with respect to the second through hole 20.
A battery according to an embodiment of the second aspect of the present utility model includes: the battery top cap assembly 100 according to the above-described first aspect of the present utility model may be sealed by providing a case having an open end, a battery cell disposed within the case, and the battery top cap assembly 100 covering the open end of the case.
According to the battery provided by the embodiment of the utility model, the battery top cover assembly 100 is arranged, the sealing assembly 3 is detachably arranged on the first through hole 10 and the second through hole 20, so that the sealing assembly 3 is convenient to disassemble and assemble, and the sealing assembly 3 can be disassembled and assembled for multiple times, so that electrolyte is supplemented into the battery for multiple times, and the service life of the battery is ensured; the sealing assembly 3 may also seal the first and second through- holes 10 and 20, and may prevent electrolyte within the battery from leaking from the first and second through- holes 10 and 20.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery top cap assembly, comprising:
the battery top cover is provided with a first through hole;
the liquid injection piece is arranged on the inner side of the battery top cover and is connected with the battery top cover, and a second through hole which is opposite to and communicated with the first through hole is formed in the liquid injection piece;
and the sealing assembly is detachably arranged in the first through hole and the second through hole.
2. The battery top cover assembly of claim 1, wherein the liquid injection member and the battery top cover are all independent molded members, and the liquid injection member is welded to the inner wall of the battery top cover.
3. The battery top cap assembly according to claim 1, wherein the second through hole includes a fitting groove that is opposite to and communicates with the first through hole, and a liquid injection hole formed on a bottom wall of the fitting groove;
the sealing assembly comprises a threaded fastener and a sealing plug, wherein the threaded fastener is in threaded connection with the first through hole and the matching groove, the sealing plug is detachably used for sealing the liquid injection hole, and the end part of the threaded fastener is propped against the sealing plug.
4. The battery top cap assembly of claim 3, wherein the first through hole has a connection section threadedly coupled with the threaded fastener, the connection section having a diameter identical to a diameter of the mating groove.
5. The battery top cover assembly according to claim 3, wherein the outer wall surface of the battery top cover is provided with a limit groove, the limit groove surrounds the outer peripheral side of the first through hole and is communicated with the first through hole, and the head of the threaded fastener is accommodated in the limit groove.
6. The battery cap assembly of claim 3, wherein the sealing plug is a rubber plug.
7. The battery top cap assembly according to claim 3, wherein the sealing plug comprises a sealing body, a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion are respectively arranged at two axial ends of the sealing body, the first limiting portion and the second limiting portion are formed on the outer peripheral wall of the sealing body, the sealing body is accommodated in the liquid filling hole, the first limiting portion is abutted with the inner bottom wall surface of the matching groove, and the second limiting portion is abutted with the outer bottom wall surface of the matching groove.
8. The battery top cap assembly according to claim 3, further comprising: the sealing ring is arranged on the inner bottom wall surface of the matching groove and surrounds the outer periphery side of the sealing plug, and the end part of the threaded fastener abuts against the sealing ring.
9. The battery top cap assembly according to claim 8, wherein the fitting groove is formed with an accommodation groove in an inner bottom wall surface thereof, the accommodation groove surrounding an outer peripheral side of the sealing plug and being provided spaced apart from the sealing plug, the sealing ring being accommodated in the accommodation groove.
10. A battery, comprising:
a housing having an open end;
the battery cell is arranged in the shell;
the battery top cap assembly according to any one of claims 1-9, the battery top cap assembly cap being provided at an open end of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223250425.7U CN219066991U (en) | 2022-12-01 | 2022-12-01 | Battery top cap subassembly and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223250425.7U CN219066991U (en) | 2022-12-01 | 2022-12-01 | Battery top cap subassembly and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219066991U true CN219066991U (en) | 2023-05-23 |
Family
ID=86348391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223250425.7U Active CN219066991U (en) | 2022-12-01 | 2022-12-01 | Battery top cap subassembly and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219066991U (en) |
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2022
- 2022-12-01 CN CN202223250425.7U patent/CN219066991U/en active Active
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