CN219892274U - Top cap subassembly and battery of battery - Google Patents
Top cap subassembly and battery of battery Download PDFInfo
- Publication number
- CN219892274U CN219892274U CN202320433545.6U CN202320433545U CN219892274U CN 219892274 U CN219892274 U CN 219892274U CN 202320433545 U CN202320433545 U CN 202320433545U CN 219892274 U CN219892274 U CN 219892274U
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- section
- battery
- thickness direction
- cover body
- sub
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 230000002093 peripheral effect Effects 0.000 claims description 31
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000001502 supplementing effect Effects 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 19
- 238000001746 injection moulding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009469 supplementation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a top cover assembly of a battery and the battery, wherein the top cover assembly of the battery comprises a cover body, and the cover body is provided with a mounting hole; the pole comprises an upper pole and a lower pole, the lower pole sequentially comprises a first section and a second section in the thickness direction of the cover body, the cross section of the second section in the thickness direction perpendicular to the cover body is larger than that of the first section in the thickness direction perpendicular to the cover body, the first section is arranged in the mounting hole in a penetrating mode, the surface, deviating from the second section, of the first section is provided with a mounting groove, the bottom wall of the mounting groove is provided with a liquid injection hole, the upper pole sequentially comprises a third section and a fourth section in the thickness direction of the cover body, and the cross section of the fourth section in the thickness direction perpendicular to the cover body is larger than that of the third section in the thickness direction perpendicular to the cover body; the sealing plug is detachably arranged at the liquid injection hole. According to the top cover assembly of the battery, the battery can be used for supplementing liquid for many times, and the service life of the battery is prolonged.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a top cover assembly of a battery and the battery.
Background
At present, most of the connection modes of the pole and the cover body are riveting, and the problems of more parts, complex procedures, high cost and the like exist. After the electrolyte is injected into the electrolyte injection hole, the sealing of the electrolyte injection hole is completed by the cover body, and the cover body is not detachable and cannot be opened for the second time, so that the electrolyte cannot be supplemented, and the service life of the battery is influenced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a top cover assembly of a battery, which can realize repeated liquid supplementing use of the battery and improve the service life of the battery.
The utility model also provides a battery, which comprises the top cover assembly of the battery.
A top cap assembly of a battery according to an embodiment of the present utility model includes: the cover body is provided with a mounting hole; the pole comprises an upper pole and a lower pole, the lower pole sequentially comprises a first section and a second section in the thickness direction of the cover body, the cross-sectional area of the second section in the thickness direction perpendicular to the cover body is larger than that of the first section in the thickness direction perpendicular to the cover body, the first section penetrates into the mounting hole, a mounting groove is formed in the surface, facing away from the second section, of the first section, a liquid injection hole is formed in the bottom wall of the mounting groove, the upper pole sequentially comprises a third section and a fourth section in the thickness direction of the cover body, the cross-sectional area of the fourth section in the thickness direction perpendicular to the cover body is larger than that of the third section in the thickness direction perpendicular to the cover body, the third section is positioned in the mounting groove and detachably connected with the first section, and the fourth section is positioned on one side, far away from the second section, of the cover body; the sealing plug is detachably arranged at the liquid injection hole and used for sealing the liquid injection hole.
According to the top cover assembly of the battery, the upper polar column and the lower polar column are arranged in the mounting hole of the cover body, the lower polar column and the upper polar column respectively comprise the first section, the second section, the third section and the fourth section in sequence in the thickness direction of the cover body, the third section of the upper polar column is detachably connected with the first section of the lower polar column, the liquid injection hole is formed in the mounting groove of the surface, facing away from the second section, of the first section, and the sealing plug is detachably arranged at the liquid injection hole and used for sealing the liquid injection hole, so that the battery can be used for supplementing liquid for multiple times, and the service life of the battery is prolonged.
In some embodiments of the utility model, an end of the third section facing away from the fourth section is stopped against the sealing plug.
In some embodiments of the utility model, the mounting groove has internal threads on an inner peripheral wall thereof and the third section has external threads on an outer peripheral wall thereof that mate with the internal threads.
In some embodiments of the present utility model, the top cap assembly of the battery further includes: the first sealing ring comprises a first sealing part, and the first sealing part is positioned between the outer peripheral wall of the first section and the inner peripheral wall of the mounting hole.
In some embodiments of the present utility model, the first section includes a first sub-section, a second sub-section, and a third sub-section in order in a thickness direction of the cover body, the first sub-section is connected to the second section, a cross-sectional area of the second sub-section perpendicular to the thickness direction of the cover body is larger than a cross-sectional area of the first sub-section and the third sub-section perpendicular to the thickness direction of the cover body, and the first sealing portion is located between an outer peripheral wall of the second sub-section and an inner peripheral wall of the mounting hole.
In some embodiments of the present utility model, the first seal ring further includes a second seal portion and a third seal portion connected to the first seal portion, the second seal portion surrounding the first sub-section, the third seal portion surrounding the third sub-section, the second seal portion and the third seal portion being located on both sides in a thickness direction of the cover body, respectively, and radially outer ends of the second seal portion and the third seal portion being located radially outside an inner peripheral wall of the mounting hole.
In some embodiments of the utility model, the outer peripheral wall of the fourth segment is radially outward of the inner peripheral wall of the third seal portion.
In some embodiments of the utility model, a surface of the fourth segment facing the third segment abuts a surface of the third seal facing away from the second seal.
In some embodiments of the utility model, a second sealing ring is arranged between the bottom wall of the mounting groove and the end surface of the third section, which faces away from the fourth section, and the second sealing ring is positioned on the radial outer side of the liquid injection hole.
The battery according to the embodiment of the utility model comprises the top cover assembly of the battery.
According to the battery provided by the embodiment of the utility model, the top cover assembly of the battery is arranged, the upper polar column and the lower polar column are arranged in the mounting hole of the cover body, the lower polar column and the upper polar column respectively comprise the first section, the second section, the third section and the fourth section in sequence in the thickness direction of the cover body, the third section of the upper polar column is detachably connected with the first section of the lower polar column, the liquid injection hole is arranged on the mounting groove of the surface of the first section, which is far away from the second section, and the sealing plug is detachably arranged at the liquid injection hole and used for sealing the liquid injection hole, so that the battery can be used for supplementing liquid for multiple times and the service life of the battery is prolonged.
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 cross-sectional view of a top cap assembly of a battery according to an embodiment of the present utility model.
Reference numerals:
10. a top cap assembly of the battery;
1. a cover body; 11. a mounting hole;
2. a pole; 21. a lower pole; 211. a first section; 2111. a first sub-segment; 2112. a second subsection; 2113. a third subsection; 212. a second section; 22. an upper pole; 221. a third section; 222. a fourth section; 23. a mounting groove; 24. a liquid injection hole;
3. sealing the plugs;
4. a first seal ring; 41. a first sealing part; 42. a second sealing part; 43. a third sealing part; 44. a first groove; 45. a second groove;
5. and a second sealing ring.
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.
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. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A top cap assembly 10 of a battery according to an embodiment of the present utility model is described below with reference to fig. 1.
As shown in fig. 1, a top cap assembly 10 of a battery according to an embodiment of the present utility model includes a cap body 1, a terminal 2, and a sealing stopper 3.
Specifically, referring to fig. 1, the cover body 1 has mounting holes 11 thereon, the mounting holes 11 being used for mounting the pole 2. The pole 2 comprises an upper pole 222 and a lower pole 212, the lower pole 212 sequentially comprises a first section 211 and a second section 212 in the thickness direction of the cover body 1, the cross section of the second section 212 in the thickness direction perpendicular to the cover body 1 is larger than that of the first section 211 in the thickness direction perpendicular to the cover body 1, the first section 211 is penetrated in the mounting hole 11, the surface, deviating from the second section 212, of the first section 211 is provided with a mounting groove 23, the bottom wall of the mounting groove 23 is provided with a liquid injection hole 24, and the liquid injection hole 24 is used for injecting electrolyte.
Further, the upper pole 222 includes a third section 221 and a fourth section 222 in sequence in the thickness direction of the cap body 1, the cross-sectional area of the fourth section 222 perpendicular to the thickness direction of the cap body 1 is larger than the cross-sectional area of the third section 221 perpendicular to the thickness direction of the cap body 1, the third section 221 is located in the mounting groove 23 and detachably connected with the first section 211, and the fourth section 222 is located at a side of the cap body 1 away from the second section 212. The third section 221 and the first section 211 may be connected by a snap-fit slot or threads.
It can be appreciated that the upper pole 222 and the lower pole 212 can be detachably connected through the detachable connection of the first section 211 and the third section 221, and when the electrolyte is required to be replenished, the upper pole 222 and the lower pole 212 can be detached to replenish the electrolyte, thereby facilitating the detachment and the fluid replacement of the battery and further prolonging the service life of the battery.
The sealing plug 3 is detachably arranged at the liquid injection hole 24 and is used for sealing the liquid injection hole 24, so that after liquid injection is completed, electrolyte can be prevented from flowing out of the battery from the liquid injection hole 24, and the tightness of the top cover assembly 10 of the battery is improved. Meanwhile, when electrolyte is needed to be supplemented, the sealing plug 3 can be disassembled for liquid injection, so that the disassembly and liquid supplementing of the battery are facilitated, and the service life of the battery is prolonged.
When the battery is assembled, the liquid injection hole 24 is sealed by the sealing plug 3, and then the third section 221 and the first section 211 are connected, so that the upper pole 222 and the lower pole 212 are connected, the mounting groove 23 is blocked, and the assembly is completed. When the battery needs to be supplemented with electrolyte, the upper pole 222 and the lower pole 212 are detached and separated, the sealing plug 3 is detached, the electrolyte is supplemented into the battery through the electrolyte injection hole 24, after the electrolyte supplementation is completed, the electrolyte injection hole 24 is plugged by the sealing plug 3, the upper pole 222 and the lower pole 212 are connected to plug the mounting groove 23, and therefore the battery is used for multiple electrolyte supplementation, and the service life of the battery is prolonged.
According to the top cover assembly 10 of the battery of the embodiment of the utility model, the upper polar column 222 and the lower polar column 212 are arranged in the mounting hole 11 of the cover body 1, the lower polar column 212 and the upper polar column 222 sequentially comprise the first section 211, the second section 212, the third section 221 and the fourth section 222 in the thickness direction of the cover body 1, the third section 221 of the upper polar column 222 is detachably connected with the first section 211 of the lower polar column 212, the liquid injection hole 24 is arranged on the mounting groove 23 of the surface of the first section 211, which is far away from the second section 212, and the sealing plug 3 is detachably arranged at the liquid injection hole 24 and used for sealing the liquid injection hole 24, so that the battery can be used for supplementing liquid for multiple times, and the service life of the battery is prolonged.
In some embodiments of the present utility model, as shown in fig. 1, an end of the third section 221 facing away from the fourth section 222 is stopped by the sealing plug 3, thereby improving reliability of sealing the liquid injection hole 24 by the sealing plug 3, and further improving sealability of the top cap assembly.
In some embodiments of the present utility model, as shown in fig. 1, the inner circumferential wall of the mounting groove 23 has an internal thread, and the outer circumferential wall of the third section 221 has an external thread that mates with the internal thread, thereby realizing the connection of the upper pole 222 and the lower pole 212 by the threads, improving the connection reliability of the upper pole 222 and the lower pole 212, and improving the connection portability of the upper pole 222 and the lower pole 212.
In some embodiments of the present utility model, as shown in fig. 1, the top cap assembly 10 of the battery further includes a first sealing ring 4, the first sealing ring 4 including a first sealing portion 41, the first sealing portion 41 being located between an outer peripheral wall of the first section 211 and an inner peripheral wall of the mounting hole 11.
It will be appreciated that since the first sealing portion 41 is located between the outer peripheral wall of the first section 211 and the inner peripheral wall of the mounting hole 11, the first seal ring 4 can connect the lower pole 212 and the cap body 1. Meanwhile, the first sealing ring 4 is an injection molding piece, and the injection molding process of the first sealing ring 4 is as follows: the lower pole 212 is placed in the mounting hole 11 of the cap body 1, and then the injection molding liquid is injected between the outer peripheral wall of the first section 211 and the inner peripheral wall of the mounting hole 11. Thereby, the gap between the outer peripheral wall of the first section 211 and the inner peripheral wall of the mounting hole 11 is reduced, the outflow of the electrolyte is prevented, the sealability of the battery is improved, and the connection between the cap body 1 and the lower pole 212 is also made reliable.
In addition, the first sealing ring 4 formed by injection molding is connected with the cover body 1 by riveting compared with the first sealing ring 2 formed by injection molding, so that fewer parts are used, the structure and the procedure are simple, and the cost is low.
In some embodiments of the present utility model, as shown in fig. 1, the first section 211 includes a first sub-section 2111, a second sub-section 2112, and a third sub-section 2113 in this order in the thickness direction of the cap body 1, the first sub-section 2111 is connected to the second section 212, the cross-sectional area of the second sub-section 2112 perpendicular to the thickness direction of the cap body 1 is larger than the cross-sectional areas of the first sub-section 2111 and the third sub-section 2113 perpendicular to the thickness direction of the cap body 1, and the first sealing portion 41 is located between the outer peripheral wall of the second sub-section 2112 and the inner peripheral wall of the mounting hole 11.
It will be appreciated that the first, second and third sub-sections 2111, 2112 and 2113 form a protrusion extending radially outwardly of the cap body 1, wherein the second sub-section 2112 is a protruding portion. Thereby facilitating the mating of the first segment 211 with the first sealing ring 4.
In some embodiments of the present utility model, as shown in fig. 1, the first sealing ring 4 further includes a second sealing portion 42 and a third sealing portion 43 connected to the first sealing portion 41, the second sealing portion 42 surrounding the first sub-section 2111, the third sealing portion 43 surrounding the third sub-section 2113, the second sealing portion 42 and the third sealing portion 43 being located on both sides in the thickness direction of the cover body 1, respectively, and radially outer ends of the second sealing portion 42 and the third sealing portion 43 being located radially outside the inner peripheral wall of the mounting hole 11.
It will be appreciated that the first sealing portion 41, the second sealing portion 42 and the third sealing portion 43 form a first groove 44 extending outwardly in the radial direction of the cap body 1, thereby facilitating engagement with a protrusion formed by the first, second and third sub-sections 2111, 2112 and 2113 extending outwardly in the radial direction of the cap body 1 such that the first section 211 and the first sealing ring 4 form an interlocking structure such that the lower post 212 and the first sealing ring 4 remain relatively fixed in the thickness direction of the cap body 1.
Meanwhile, the first sealing part 41, the second sealing part 42 and the third sealing part 43 also form a second groove 45 extending inwards along the radial direction of the cover body 1, the second groove 45 and the first groove 44 are spaced apart along the radial direction of the cover body 1, and the second groove 45 can be matched with the cover body 1, so that the first sealing ring 4 and the cover body 1 form an interlocking structure, and the cover body 1 and the first sealing ring 4 are kept relatively fixed along the thickness direction of the cover body 1.
Thereby, the cap body 1 and the lower pole 212 are kept relatively fixed in the thickness direction of the cap body 1, and the connection reliability of the cap body 1 and the lower pole 212 is improved.
In some embodiments of the utility model, as shown in fig. 1, the outer peripheral wall of the fourth segment 222 is located radially outward of the inner peripheral wall of the third seal 43. Thereby, the first seal ring 4 can be further kept fixed in the thickness direction of the cap body 1, thereby further improving the connection reliability between the cap body 1, the first seal ring 4, and the lower pole 212.
In some embodiments of the utility model, as shown in fig. 1, the surface of the fourth segment 222 facing the third segment 221 abuts the surface of the third seal 43 facing away from the second seal 42. Thereby, not only the first seal ring 4 is further kept fixed in the thickness direction of the cap body 1, but also the connection reliability between the cap body 1, the first seal ring 4 and the lower pole 212 is further improved. It is also possible to prevent the electrolyte from flowing to the surface of the cap body 1 through the gap between the surface of the fourth segment 222 facing the third segment 221 and the surface of the third seal portion 43 facing away from the second seal portion 42, further improving the sealability of the battery.
In some embodiments of the utility model, as shown in fig. 1, a second sealing ring 5 is provided between the bottom wall of the mounting groove 23 and the end surface of the third section 221 facing away from the fourth section 222, the second sealing ring 5 being located radially outside the pouring orifice 24. It will be appreciated that when part of the electrolyte permeates out from the gap between the sealing stopper 3 and the filling hole 24 to flow onto the bottom wall of the mounting groove 23, the second seal ring 5 can prevent the permeated electrolyte from flowing to the surface of the cap body 1 through the gap between the third segment 221 and the first segment 211, thereby achieving secondary sealing and further improving the sealability of the battery.
A battery according to an embodiment of the present utility model is described below.
The battery according to the embodiment of the present utility model includes the top cap assembly 10 of the battery described above.
According to the battery of the embodiment of the utility model, by arranging the top cover assembly 10 of the battery, the upper polar column 222 and the lower polar column 212 are arranged in the mounting hole 11 of the cover body 1, the lower polar column 212 and the upper polar column 222 sequentially comprise the first section 211, the second section 212, the third section 221 and the fourth section 222 in the thickness direction of the cover body 1, the third section 221 of the upper polar column 222 is detachably connected with the first section 211 of the lower polar column 212, the liquid injection hole 24 is arranged on the mounting groove 23 of the surface of the first section 211, which is far away from the second section 212, and the sealing plug 3 is detachably arranged at the liquid injection hole 24 and used for sealing the liquid injection hole 24, so that the battery can be used for supplementing liquid for multiple times, and the service life of the battery is prolonged.
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 top cap assembly of a battery, comprising:
the cover body is provided with a mounting hole;
the pole comprises an upper pole and a lower pole, the lower pole sequentially comprises a first section and a second section in the thickness direction of the cover body, the cross-sectional area of the second section in the thickness direction perpendicular to the cover body is larger than that of the first section in the thickness direction perpendicular to the cover body, the first section penetrates into the mounting hole, a mounting groove is formed in the surface, facing away from the second section, of the first section, a liquid injection hole is formed in the bottom wall of the mounting groove, the upper pole sequentially comprises a third section and a fourth section in the thickness direction of the cover body, the cross-sectional area of the fourth section in the thickness direction perpendicular to the cover body is larger than that of the third section in the thickness direction perpendicular to the cover body, the third section is positioned in the mounting groove and detachably connected with the first section, and the fourth section is positioned on one side, far away from the second section, of the cover body;
the sealing plug is detachably arranged at the liquid injection hole and used for sealing the liquid injection hole.
2. The battery top cap assembly of claim 1, wherein an end of the third segment facing away from the fourth segment is in abutment with the sealing plug.
3. The battery top cap assembly according to claim 1, wherein the mounting groove has an internal thread on an inner peripheral wall thereof, and the outer peripheral wall of the third section has an external thread fitted with the internal thread.
4. The top cap assembly of a battery according to claim 1, further comprising:
the first sealing ring comprises a first sealing part, and the first sealing part is positioned between the outer peripheral wall of the first section and the inner peripheral wall of the mounting hole.
5. The battery top cap assembly according to claim 4, wherein the first section includes a first sub-section, a second sub-section, and a third sub-section in order in a thickness direction of the cap body, the first sub-section being connected to the second section, a cross-sectional area of the second sub-section perpendicular to the thickness direction of the cap body being larger than a cross-sectional area of the first sub-section and the third sub-section perpendicular to the thickness direction of the cap body, the first sealing portion being located between an outer peripheral wall of the second sub-section and an inner peripheral wall of the mounting hole.
6. The top cap assembly of claim 5, wherein the first seal ring further comprises a second seal portion and a third seal portion connected to the first seal portion, the second seal portion surrounding the first sub-section, the third seal portion surrounding the third sub-section, the second seal portion and the third seal portion being located on both sides in a thickness direction of the cap body, respectively, and radially outer ends of the second seal portion and the third seal portion being located radially outside an inner peripheral wall of the mounting hole.
7. The battery top cap assembly according to claim 6, wherein the outer peripheral wall of the fourth segment is located radially outward of the inner peripheral wall of the third seal portion.
8. The battery top cap assembly of claim 7, wherein a surface of the fourth segment facing the third segment abuts a surface of the third seal facing away from the second seal.
9. The battery top cap assembly of claim 1, wherein a second seal ring is provided between a bottom wall of the mounting groove and an end surface of the third section facing away from the fourth section, the second seal ring being located radially outward of the liquid injection hole.
10. A battery comprising the top cap assembly of the battery according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433545.6U CN219892274U (en) | 2023-03-09 | 2023-03-09 | Top cap subassembly and battery of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433545.6U CN219892274U (en) | 2023-03-09 | 2023-03-09 | Top cap subassembly and battery of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219892274U true CN219892274U (en) | 2023-10-24 |
Family
ID=88411335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320433545.6U Active CN219892274U (en) | 2023-03-09 | 2023-03-09 | Top cap subassembly and battery of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219892274U (en) |
-
2023
- 2023-03-09 CN CN202320433545.6U patent/CN219892274U/en active Active
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