CN220368121U - Cover plate assembly and single battery - Google Patents
Cover plate assembly and single battery Download PDFInfo
- Publication number
- CN220368121U CN220368121U CN202321980624.5U CN202321980624U CN220368121U CN 220368121 U CN220368121 U CN 220368121U CN 202321980624 U CN202321980624 U CN 202321980624U CN 220368121 U CN220368121 U CN 220368121U
- Authority
- CN
- China
- Prior art keywords
- sealing
- cover plate
- section
- injection hole
- liquid injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 147
- 239000007788 liquid Substances 0.000 claims abstract description 90
- 238000002347 injection Methods 0.000 claims abstract description 72
- 239000007924 injection Substances 0.000 claims abstract description 72
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model belongs to the technical field of batteries, and discloses a cover plate assembly and a single battery, wherein the cover plate assembly comprises a cover plate and a sealing nail, the cover plate is provided with a liquid injection hole, the sealing nail comprises a fixing piece and a sealing piece, the fixing piece is used for sealing the liquid injection hole and is fixedly connected with the edge of the liquid injection hole, the sealing piece is inserted into the liquid injection hole, the sealing piece comprises a supporting column and a sealing part, the supporting column is a metal piece and is connected with the fixing piece, the supporting column is embedded into the sealing part, the sealing part comprises a first sealing section and a second sealing section along the direction far away from the fixing piece, the first sealing section is in interference fit with the liquid injection hole, the second sealing section is penetrated out of the liquid injection hole or in interference fit with the liquid injection hole, the outer diameter of the second sealing section is larger than the aperture of the liquid injection hole, the cover plate assembly has higher production efficiency, and the sealing nail has better sealing effect on the liquid injection hole.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a cover plate assembly and a single battery.
Background
And when the single battery is subjected to secondary formation, electrolyte is injected into the single battery through the liquid injection hole, then the liquid injection hole is temporarily sealed by using a formation glue nail, after the secondary formation is finished, the formation glue nail is pulled out of the liquid injection hole, and after all the gas in the single battery is discharged, the liquid injection hole is sealed and plugged.
The mode of sealing and plugging the liquid injection hole in the prior art is as follows: firstly, filling the sealant nails into the liquid injection holes, then filling the aluminum nails into the liquid injection holes, and finally welding and fixing the aluminum nails and the hole walls of the liquid injection holes so as to realize sealing and plugging treatment of the liquid injection holes.
Among the above-mentioned technical scheme, when filling the sealed nail of gluing to annotating the liquid hole, the sealed nail of gluing appears buckling deformation's problem easily, and then has reduced the sealed effect to annotating the liquid hole to, firstly fill sealed nail into annotating the liquid hole, it is comparatively loaded down with trivial details to fill the technology of aluminium nail into annotating the liquid hole again, is unfavorable for improving production efficiency.
Therefore, it is needed to provide a cover assembly and a battery cell to solve the above-mentioned problems.
Disclosure of Invention
The first object of the present utility model is to provide a cover plate assembly, which can simplify the assembly process of the sealing nail and the cover plate, and can improve the sealing effect of the sealing nail on the liquid injection hole.
To achieve the purpose, the utility model adopts the following technical scheme:
a cover plate assembly comprising:
the cover plate is provided with a liquid injection hole;
the sealing nail comprises a fixing piece and a sealing piece, the fixing piece is plugged in the liquid injection hole and is fixedly connected with the edge of the liquid injection hole, the sealing piece is inserted into the liquid injection hole, the sealing piece comprises a supporting column and a sealing part, the supporting column is a metal piece and is connected with the fixing piece, the supporting column is embedded in the sealing part, the sealing part comprises a first sealing section and a second sealing section along the direction far away from the fixing piece, and the first sealing section is in interference fit with the liquid injection hole;
the second sealing section is in interference fit with the liquid injection hole;
or the second sealing section penetrates through the liquid injection hole, and the outer diameter of the second sealing section is larger than the aperture of the liquid injection hole.
Optionally, a first thinning area is arranged on the outer wall of the second sealing section, and the thickness of the first thinning area is smaller than that of the second sealing section.
Optionally, the sealing part further comprises an insertion section, the insertion section is located at one side of the support column away from the fixing piece, and the thickness of the insertion section gradually decreases along a direction away from the fixing piece.
Optionally, a second thinning area is arranged on the outer wall of the insertion section, and the thickness of the second thinning area is smaller than that of the insertion section.
Optionally, the first thinning region is in communication with the second thinning region.
Optionally, the number of the first thinning areas and the number of the second thinning areas are multiple and correspond to each other one by one, and the multiple first thinning areas are uniformly distributed along the circumferential direction of the second sealing section.
Optionally, the first thinning region and the second thinning region are both planar structures, and the planar structures are parallel to the axis of the support column.
Optionally, a stress groove is formed in one side of the fixing piece, which faces away from the cover plate.
Optionally, the stress groove extends along the circumference of the fixing piece and is in a closed loop structure.
The second object of the present utility model is to provide a single battery with high production efficiency, high safety in use and high reliability.
To achieve the purpose, the utility model adopts the following technical scheme:
the single battery comprises a shell and the cover plate assembly, wherein the cover plate assembly is covered at the opening of the shell.
The beneficial effects are that:
according to the cover plate assembly provided by the utility model, the support column is connected with the fixing piece so as to realize the connection of the fixing piece and the sealing piece, when the sealing nail and the cover plate are assembled and connected, the sealing piece is directly inserted into the liquid injection hole, and then the fixing piece is fixedly connected with the edge of the liquid injection hole; secondly, the support column is embedded into the sealing part and is a metal piece, so that the support column can play a supporting role on the sealing part, and when the sealing part is inserted into the liquid injection hole, the problem of bending deformation of the sealing part can be avoided, and the sealing effect on the liquid injection hole is improved; thirdly, along the direction away from the fixing piece, the sealing part comprises a first sealing section and a second sealing section, the first sealing section is in interference fit with the liquid injection hole, the first sealing section is ensured to be fully pressed and deformed, and the sealing performance between the sealing piece and the liquid injection hole is ensured; in addition, if second seal section and notes liquid hole interference fit, then when first seal section seal failure, the second seal section still can play sealed effect to annotating the liquid hole, if the second seal section wears out in annotating the liquid hole, then when first seal section seal failure, the second seal section that the external diameter is greater than annotating liquid hole aperture still can play sealed effect to annotating the liquid hole, and it is visible that this structure setting has played further guarantee effect to the leakproofness between sealing member and the notes liquid hole.
The single battery provided by the utility model adopts the cover plate assembly, the sealing nail is simpler in sealing process of sealing the liquid injection hole, the production efficiency of the single battery is improved, in addition, the sealing effect of the sealing nail on the liquid injection hole is better, and the use safety and reliability of the single battery are improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a cover plate assembly according to the present embodiment;
FIG. 2 is a schematic view showing the structure of a seal nail according to the present embodiment;
FIG. 3 is a schematic cross-sectional view of a seal pin according to the present embodiment;
fig. 4 is a schematic structural view of a sealing nail according to the second embodiment.
In the figure:
100. a cover plate; 200. sealing nails; 210. a fixing member; 211. a stress groove; 220. a seal; 221. a support column; 222. a sealing part; 2221. a first seal segment; 2222. a second seal section; 2223. an insertion section; 310. a first thinning region; 320. and a second thinning region.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, 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 indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The embodiment provides a apron subassembly, and this apron subassembly can simplify the packaging technology of sealing nail and apron, can also improve the sealed effect of sealing nail to annotating the liquid hole.
Specifically, as shown in fig. 1 to 3, the cover plate assembly includes a cover plate 100 and a sealing nail 200, wherein a liquid injection hole is formed in the cover plate 100, the sealing nail 200 includes a fixing member 210 and a sealing member 220, the fixing member 210 is plugged in the liquid injection hole and is fixedly connected with the edge of the liquid injection hole, the sealing member 220 is inserted in the liquid injection hole, the sealing member 220 includes a supporting column 221 and a sealing portion 222, the supporting column 221 is a metal member, the supporting column 221 may be made of aluminum, copper or stainless steel, and the like, the supporting column 221 is connected with the fixing member 210, the supporting column 221 is embedded in the sealing portion 222, the sealing portion 222 includes a first sealing section 2221 and a second sealing section 2222 along the direction away from the fixing member 210, and the first sealing section 2221 is in interference fit with the liquid injection hole; the second sealing section 2222 is in interference fit with the liquid injection hole; alternatively, the second sealing section 2222 extends out of the injection hole, and the outer diameter of the second sealing section 2222 is larger than the aperture of the injection hole.
Based on the above design, support column 221 is connected with mounting 210 to realize the connection of mounting 210 and sealing member 220, when carrying out the equipment connection to sealing nail 200 and apron 100, directly insert sealing member 220 annotate the liquid hole, then to the border fixed connection of mounting 210 and annotate the liquid hole can, compared with prior art, this structure sets up the packaging technology that has simplified apron 100 and sealing nail 200, has the effect that improves production efficiency.
Secondly, the sealing part 222 is made of an elastic sealing material commonly used in the art, the supporting column 221 is embedded into the sealing part 222, and the supporting column 221 is a metal piece, so that the supporting column 221 can play a supporting role on the sealing part 222, and when the sealing piece 220 is inserted into the liquid injection hole, the problem that the sealing part 222 is bent and deformed can be avoided, and further the sealing effect on the liquid injection hole is improved.
Again, along the direction of keeping away from mounting 210, sealing 222 includes first seal section 2221 and second seal section 2222, first seal section 2221 and annotate the liquid hole interference fit, i.e. first seal section 2221 is compressed tightly between the lateral wall of support column 221 and annotate the pore wall of liquid hole, and first seal section 2221 is in the state of being compressed tightly the deformation all the time, and this structure sets up and has ensured that inserts first seal section 2221 to annotate the liquid hole can fully compressed tightly the deformation, has played the guarantee effect to the leakproofness between sealing member 220 and the annotate the liquid hole. In addition, if the second sealing section 2222 is in interference fit with the liquid injection hole, that is, the second sealing section 2222 is pressed between the side wall of the support column 221 and the hole wall of the liquid injection hole, and the second sealing section 2222 is always in a pressed deformed state, when the sealing of the first sealing section 2221 fails, the second sealing section 2222 in interference fit with the liquid injection hole can still play a role in sealing the liquid injection hole; if the second sealing section 2222 is inserted into the liquid injection hole, when the sealing of the first sealing section 2221 fails, the second sealing section 2222 with the outer diameter larger than the aperture of the liquid injection hole still can play a role in sealing the liquid injection hole, and therefore, the sealing between the sealing element 220 and the liquid injection hole is further guaranteed by the structural arrangement.
Optionally, as shown in fig. 2 to 4, the outer wall of the second sealing section 2222 is provided with a first thinning area 310, the thickness of the first thinning area 310 is smaller than that of the second sealing section 2222, and the contact area between the second sealing section 2222 and the wall of the liquid injection hole is reduced by the arrangement of the first thinning area 310, so that when the sealing element 220 is inserted into the liquid injection hole, the friction force between the second sealing section 2222 and the wall of the liquid injection hole can be reduced, so that the assembly of the sealing nail 200 and the cover plate 100 is more labor-saving.
Optionally, as shown in fig. 2 to 4, the sealing portion 222 further includes an insertion section 2223, where the insertion section 2223 is located on a side of the support column 221 away from the fixing element 210, and the thickness of the insertion section 2223 is gradually reduced in a direction away from the fixing element 210, so as to facilitate insertion of the sealing element 220 into the injection hole. After the assembly of the sealing nail 200 and the cover plate 100 is completed, the insertion section 2223 may be located in the liquid injection hole, or may penetrate through the liquid injection hole, depending on the lengths of the first sealing section 2221 and the second sealing section 2222.
In this embodiment, as shown in fig. 2 to 4, the insertion section 2223 is generally conical, the large diameter end thereof is connected with the second sealing section 2222, and the tip of the small diameter end thereof is cut away to avoid the tip from scratching the pole core. Of course, in other embodiments, the insertion section 2223 may have other shapes and structures, as required by the actual application.
Optionally, as shown in fig. 2 to 4, the outer wall of the insertion section 2223 is provided with a second thinning area 320, the thickness of the second thinning area 320 is smaller than that of the insertion section 2223, and the contact area between the insertion section 2223 and the wall of the liquid injection hole is reduced by the arrangement of the second thinning area 320, so that the insertion section 2223 can be inserted into the liquid injection hole in a very labor-saving manner, and the assembly efficiency is improved.
Further, as shown in fig. 2 to 4, the first thinning region 310 is communicated with the second thinning region 320, so that the first thinning region 310 and the second thinning region 320 can be processed conveniently, and the effects of reducing the production difficulty and the production cost are achieved.
Preferably, as shown in fig. 2 to 4, the number of the first thinning areas 310 and the second thinning areas 320 are multiple and one-to-one, the multiple first thinning areas 310 are uniformly distributed along the circumferential direction of the second sealing section 2222, and the contact area between the second sealing section 2222 and the insertion section 2223 and the inner wall of the liquid injection hole can be uniformly reduced along the circumferential direction of the support column 221, so that the sealing element 220 can be quickly and labor-saving inserted into the liquid injection hole, and the effects of reducing the assembly difficulty and improving the production efficiency are achieved.
In this embodiment, the number of the first thinning regions 310 and the second thinning regions 320 is three, and then the second sealing section 2222 is in a triangular prism structure, and the side wall of the triangular prism is the first thinning region 310, and two adjacent first thinning regions 310 are in transition through a plane or an arc surface. In other embodiments, the number of the first thinning area 310 and the second thinning area 320 may be two, four, five, etc., and the second sealing section 2222 may also have other shapes and structures, which are determined according to practical application requirements.
Alternatively, as shown in fig. 2 to 4, the first thinning area 310 and the second thinning area 320 are both planar structures, the planar structures are parallel to the axis of the supporting column 221, and compared with other structures such as a groove shape or a hole shape, the planar structures are simpler in design, and the contact area between the second sealing section 2222 and the insertion section 2223 and the inner wall of the injection hole can be reduced to the greatest extent.
Optionally, as shown in fig. 3, a stress groove 211 is disposed on a side of the fixing member 210 away from the cover plate 100, and when the fixing member 210 is fixedly connected with the edge of the liquid injection hole (for example, welded and fixed, etc.), the stress groove 211 can absorb layout deformation caused by the fixed connection, so that the connection between the fixing member 210 and the edge of the liquid injection hole is more stable and reliable.
Preferably, the stress groove 211 extends along the circumferential direction of the fixing member 210 and has a closed-loop structure, and the stress groove 211 can absorb local deformation caused by the fixed connection along the circumferential direction of the fixing member 210, so that the stability and reliability of the connection between the fixing member 210 and the edge of the liquid injection hole can be improved in the circumferential direction of the fixing member 210.
In this embodiment, the material of the fixing member 210 and the supporting column 221 is the same, and the fixing member 210 and the supporting column 221 are in an integral structure, however, in other embodiments, the fixing member 210 and the supporting column 221 may be made of other materials and structures. The first sealing section 2221, the second sealing section 2222 and the inserting section 2223 are all made of PP rubber materials, and the first sealing section 2221, the second sealing section 2222 and the inserting section 2223 are of an integral structure, however, in other embodiments, the first sealing section 2221, the second sealing section 2222 and the inserting section 2223 may be made of other materials and structures.
In this example, the sealing nail 200 is manufactured by an injection molding process, i.e., the first sealing section 2221, the second sealing section 2222, and the insertion section 2223 are injection molded around the periphery of the support post 221, although in other embodiments, the sealing nail 200 may be manufactured by other processes.
The embodiment also provides a single battery, which has higher production efficiency, higher use safety and higher reliability.
Specifically, this battery cell includes casing and foretell apron subassembly, and apron subassembly lid is established in the opening part of casing, and this battery cell adopts foretell apron subassembly, and its sealed nail 200 seals the sealed process of annotating the liquid hole simpler, has improved battery cell's production efficiency, and in addition, sealed nail 200 is better to annotating the sealed effect of liquid hole, has improved battery cell's safety in utilization and reliability.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The apron subassembly, its characterized in that includes:
the device comprises a cover plate (100), wherein a liquid injection hole is formed in the cover plate (100);
the sealing nail (200), sealing nail (200) includes mounting (210) and sealing member (220), mounting (210) shutoff in annotate the liquid hole and with annotate the border fixed connection of liquid hole, sealing member (220) inserts and locates annotate the liquid hole, sealing member (220) include support column (221) and sealing part (222), support column (221) are the metalwork, support column (221) with mounting (210) are connected, support column (221) imbeds in sealing part (222), along keeping away from the direction of mounting (210), sealing part (222) include first seal section (2221) and second seal section (2222), first seal section (2221) with annotate liquid hole interference fit;
the second sealing section (2222) is in interference fit with the liquid injection hole;
or, the second sealing section (2222) is penetrated out of the liquid injection hole, and the outer diameter of the second sealing section (2222) is larger than the aperture of the liquid injection hole.
2. The cover plate assembly according to claim 1, wherein a first thinned region (310) is provided on an outer wall of the second sealing section (2222), the first thinned region (310) having a thickness that is less than a thickness of the second sealing section (2222).
3. The cover plate assembly according to claim 2, wherein the sealing portion (222) further comprises an insertion section (2223), the insertion section (2223) being located on a side of the support column (221) facing away from the fixing member (210), the insertion section (2223) being gradually reduced in thickness in a direction away from the fixing member (210).
4. A cover plate assembly according to claim 3, wherein a second thinned region (320) is provided on the outer wall of the insert section (2223), the second thinned region (320) having a thickness less than the thickness of the insert section (2223).
5. The cover plate assembly of claim 4, wherein the first thinned region (310) is in communication with the second thinned region (320).
6. The cover plate assembly of claim 4, wherein the number of the first thinning areas (310) and the second thinning areas (320) are multiple and one-to-one, and the multiple first thinning areas (310) are uniformly distributed along the circumferential direction of the second sealing section (2222).
7. The cover plate assembly of claim 4, wherein the first thinned region (310) and the second thinned region (320) are each planar structures that are parallel to an axis of the support post (221).
8. The cover plate assembly according to any one of claims 1-7, wherein a side of the securing member (210) facing away from the cover plate (100) is provided with a stress groove (211).
9. The cover plate assembly according to claim 8, wherein the stress groove (211) extends in a circumferential direction of the fixing member (210) and has a closed-loop structure.
10. A single battery, characterized by comprising a shell and the cover plate assembly as claimed in any one of claims 1-9, wherein the cover plate assembly is covered at an opening of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980624.5U CN220368121U (en) | 2023-07-26 | 2023-07-26 | Cover plate assembly and single battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980624.5U CN220368121U (en) | 2023-07-26 | 2023-07-26 | Cover plate assembly and single battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220368121U true CN220368121U (en) | 2024-01-19 |
Family
ID=89519452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321980624.5U Active CN220368121U (en) | 2023-07-26 | 2023-07-26 | Cover plate assembly and single battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220368121U (en) |
-
2023
- 2023-07-26 CN CN202321980624.5U patent/CN220368121U/en active Active
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