CN220628191U - Seal assembly, cover plate structure and square battery - Google Patents
Seal assembly, cover plate structure and square battery Download PDFInfo
- Publication number
- CN220628191U CN220628191U CN202322184410.3U CN202322184410U CN220628191U CN 220628191 U CN220628191 U CN 220628191U CN 202322184410 U CN202322184410 U CN 202322184410U CN 220628191 U CN220628191 U CN 220628191U
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- CN
- China
- Prior art keywords
- sealing
- nail
- cover plate
- connection
- barb
- 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 161
- 229910052751 metal Inorganic materials 0.000 claims abstract description 69
- 239000002184 metal Substances 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000002347 injection Methods 0.000 claims abstract description 46
- 239000007924 injection Substances 0.000 claims abstract description 46
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 9
- 210000002421 cell wall Anatomy 0.000 claims 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application provides a seal assembly, apron structure and square battery. The sealing assembly comprises a sealing metal nail and a sealing plastic nail, wherein the sealing metal nail is in abutting connection with the sealing plastic nail, the sealing metal nail is used for being welded on the cover plate, the sealing plastic nail comprises a clamping part, a sealing connecting part and a barb guiding part, two ends of the sealing connecting part are fixedly connected with the clamping part and the barb guiding part respectively, the clamping part is connected with the sealing metal nail, the clamping part is used for being clamped on the outer side wall of the cover plate, the barb guiding part is used for penetrating through a liquid injection hole of the cover plate and then is abutted on the inner side wall of the cover plate, the connection strength of the sealing plastic nail and the cover plate is higher, and the clamping part and the barb guiding part form two-end clamping structures, so that the sealing plastic nail is not easy to drop or deviate from, and further the sealing reliability is higher.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a sealing assembly, a cover plate structure and a square battery.
Background
In the production process of the battery, the cover plate is provided with the liquid injection hole, when the battery core, the cover plate and the terminal structure are assembled, electrolyte is required to be injected into the battery core through the liquid injection hole, and finally the sealing nail is sealed in the liquid injection hole. The sealing nails generally comprise sealing metal nails and sealing plastic nails, the sealing plastic nails are in interference fit in the liquid injection holes, and the sealing metal nails are welded on the cover plate.
For example, chinese patent with application number CN202222841562.1 discloses a sealing structure for liquid injection hole of lithium ion battery and lithium ion battery, comprising: battery top cap, metal nail, sealing washer and plastic nail have seted up annotate the liquid hole on the battery top cap, and the metal nail is suitable for inserting in the notes liquid hole of battery top cap, and the sealing washer snare is established on the metal nail, and the sealing washer sets up between metal nail and notes liquid hole when the metal nail gets into annotating the liquid hole, and the metal nail includes pin fin and nail post, nail post and pin fin connection, is suitable for through laser welding between pin fin and the battery top cap, and the plastic nail sets up in annotating the liquid hole.
However, the design of the sealing structure of the liquid injection hole of the lithium ion battery has the following problems:
the plastic nail of the lithium ion battery liquid injection hole sealing structure is of a columnar structure, the plastic nail is in interference fit with the liquid injection hole, the metal nail is welded on the cover plate, but machining errors exist in the process of assembling the plastic nail, and the plastic nail easily falls into the battery cell during assembling, so that the battery cell is short-circuited. On the other hand, after the plastic nail is filled into the liquid injection hole, but when the metal nail is sealed and welded poorly, the problem that the plastic nail falls into the battery cell easily occurs in the long-time use process of the plastic nail, namely the connection strength of the plastic nail is lower.
Therefore, there is a need for a seal assembly with high seal reliability and high joint strength.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a sealing assembly, a cover plate structure and a square battery, which have high sealing reliability and high connection strength.
The aim of the utility model is realized by the following technical scheme:
a seal assembly, comprising:
the sealing metal nail is in contact with the sealing plastic nail, the sealing metal nail is used for being welded on the cover plate, the sealing plastic nail comprises a clamping portion, a sealing connecting portion and a barb guiding portion, two ends of the sealing connecting portion are respectively fixedly connected with the clamping portion and the barb guiding portion, the clamping portion is used for being clamped on the outer side wall of the cover plate, and the barb guiding portion is used for penetrating through a liquid injection hole of the cover plate and then is clamped on the inner side wall of the cover plate.
In one embodiment, the clamping portion, the sealing connection portion and the barb guide portion are of an integral injection molded structure.
In one embodiment, the sealing connection part is of a columnar structure, and the diameter of the sealing connection part is larger than that of the liquid injection hole.
In one embodiment, the barb guiding part is of a truncated cone-shaped structure, the barb guiding part is provided with a connecting surface, a guiding inclined surface and a guiding plane, the guiding inclined surface is respectively connected with the connecting surface and the guiding plane, the connecting surface is also connected with the sealing connecting part, and the diameter of the connecting surface is larger than that of the sealing connecting part.
In one embodiment, the diameter of the guide plane is smaller than the diameter of the injection hole.
In one embodiment, the clamping portion has a cylindrical structure, and the diameter of the clamping portion is larger than the diameter of the connecting surface.
In one embodiment, a side of the clamping portion adjacent to the sealing connection portion is flush with a top plane of the liquid injection hole.
In one embodiment, the sealing metal nail is provided with a clearance groove, and the clamping part is positioned in the clearance groove and is in abutting connection with the sealing metal nail.
The cover plate structure comprises a cover plate and the sealing assembly in any embodiment, wherein the cover plate is provided with a liquid injection hole, the cover plate is further provided with an embedded groove, the liquid injection hole is communicated with the embedded groove, the sealing metal nail is positioned in the embedded groove and welded with the cover plate, the sealing connection part is positioned in the liquid injection hole, the clamping connection part is clamped on the groove wall of the embedded groove, and the barb guiding part is clamped on the inner side wall of the cover plate.
A prismatic battery includes a cover structure as in any of the embodiments above.
Compared with the prior art, the utility model has at least the following advantages:
the sealing assembly comprises a sealing metal nail, a sealing plastic nail, a clamping part and a barb guiding part, wherein the sealing metal nail is in contact with the sealing plastic nail, the sealing metal nail is welded on a cover plate of a battery, the clamping part is clamped on the outer side wall of the cover plate, the sealing connecting part and the barb guiding part have certain elasticity, so that the sealing connecting part is in interference fit on the wall of a liquid injection hole, the barb guiding part passes through the liquid injection hole and is then clamped on the inner side wall of the cover plate, compared with the traditional sealing plastic nail, one end of the traditional sealing plastic nail is connected with the sealing metal nail, the sealing metal nail is welded on the structure of the cover plate, the connection strength of the sealing plastic nail and the cover plate is higher, namely, when the sealing metal nail is in poor welding, the clamping part and the barb guiding part form two-end clamping structures, so that the sealing plastic nail is not easy to drop or deviate, and the sealing reliability is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a seal assembly according to an embodiment;
FIG. 2 is another schematic structural view of the seal assembly shown in FIG. 1;
FIG. 3 is a schematic view of a sealing plastic nail according to an embodiment;
FIG. 4 is a schematic diagram of a cover structure according to an embodiment;
FIG. 5 is another schematic view of the cover plate structure shown in FIG. 4;
fig. 6 is a schematic view of another structure of the cover plate structure shown in fig. 4.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides a seal assembly, including sealed metal nail and sealed plastic nail, sealed metal nail with sealed plastic nail is contradicted and is connected, sealed metal nail is used for the welding on the apron, sealed plastic nail includes joint portion, sealing connection portion and barb guiding portion, sealing connection portion's both ends respectively with joint portion reaches barb guiding portion fixed connection, joint portion is used for the joint on the lateral wall of apron, barb guiding portion is used for passing the joint is in after the notes liquid hole of apron on the inside wall of apron.
The sealing assembly comprises a sealing metal nail, a sealing plastic nail, a clamping part and a barb guiding part, wherein the sealing metal nail is in contact with the sealing plastic nail, the sealing metal nail is welded on a cover plate of a battery, the clamping part is clamped on the outer side wall of the cover plate, the sealing connecting part and the barb guiding part have certain elasticity, so that the sealing connecting part is in interference fit on the wall of a liquid injection hole, the barb guiding part passes through the liquid injection hole and is then clamped on the inner side wall of the cover plate, compared with the traditional sealing plastic nail, one end of the traditional sealing plastic nail is connected with the sealing metal nail, the sealing metal nail is welded on the structure of the cover plate, the connection strength of the sealing plastic nail and the cover plate is higher, namely, when the sealing metal nail is in poor welding, the clamping part and the barb guiding part form two-end clamping structures, so that the sealing plastic nail is not easy to drop or deviate, and the sealing reliability is higher.
For better understanding of the technical solutions and advantageous effects of the present application, the following details are further described with reference to specific embodiments:
as shown in fig. 1 to 6, the sealing assembly 10 of an embodiment includes a sealing metal nail 100 and a sealing plastic nail 200, the sealing metal nail 100 is in abutting connection with the sealing plastic nail 200, the sealing metal nail 100 is used for being welded on a cover plate 300, the sealing plastic nail 200 includes a clamping portion 210, a sealing connection portion 220 and a barb guiding portion 230, two ends of the sealing connection portion 220 are respectively fixedly connected with the clamping portion 210 and the barb guiding portion 230, the clamping portion 210 is used for being clamped on an outer side wall of the cover plate 300, the barb guiding portion 230 is used for being clamped on an inner side wall of the cover plate 300 after passing through a liquid injection hole 310 of the cover plate 300, and therefore the sealing plastic nail 200 is ensured not to fall off or deviate in the use process.
In this embodiment, the sealing metal nail 100 is in abutting connection with the clamping part 210, the sealing metal nail 100 is welded on the cover plate 300, the clamping part 210 is clamped on the outer side wall of the cover plate 300, the sealing plastic nail 200 is not easy to drop into the battery cell due to certain elasticity, the sealing connecting part 220 is clamped on the wall of the liquid injection hole 310 in an interference manner, when the barb guiding part 230 deforms and passes through the liquid injection hole 310 of the cover plate 300, the barb guiding part 230 resumes deformation, and then the barb guiding part 230 is clamped on the inner side wall of the cover plate 300, so that the structure of clamping two ends of the sealing plastic nail 200 on the cover plate 300 is formed, and the connection strength of the sealing plastic nail 200 and the cover plate 300 is improved, so that the sealing plastic nail 200 is not easy to drop into the battery cell, and the battery cell is protected. Further, the sealing metal spike 100 is a sealing aluminum spike.
In other embodiments, the sealing metal nails and the sealing plastic nails are connected with each other in a clamping, welding, sleeving and other connection modes.
The sealing assembly 10, seal metal nail 100 is contradicted with seal plastic nail 200 and is connected, seal metal nail 100 welds on the apron 300 of battery, and joint portion 210 joint is on the lateral wall of apron 300, because seal connecting portion 220 and barb guiding portion 230 have certain elasticity, make seal connecting portion 220 interference joint on the pore wall of annotating liquid hole 310, and barb guiding portion 230 passes behind annotating liquid hole 310 joint on the inside wall of apron 300, compare in traditional seal plastic nail 200 one end through being connected with seal metal nail 100, seal metal nail 100 welds the structure at apron 300, the joint strength of seal plastic nail 200 and apron 300 of this application is higher, namely when seal metal nail 100 takes place the welding failure, joint portion 210 forms both ends joint structure with barb guiding portion 230, make seal plastic nail 200 be difficult for dropping, and then make seal reliability higher.
As shown in fig. 3, in one embodiment, the clamping portion 210, the sealing connection portion 220, and the barb guide portion 230 are integrally injection molded. It can be appreciated that the clamping portion 210, the sealing connection portion 220 and the barb guiding portion 230 are integrally injection molded, the whole structure is not welded in the process of processing and production, and the molding is fast, so that the structural strength and stability of the clamping portion 210, the sealing connection portion 220 and the barb guiding portion 230 are improved.
As shown in fig. 1, 4 and 6, in one embodiment, the sealing connection portion 220 has a columnar structure, and the diameter of the sealing connection portion 220 is larger than the injection hole 310. It can be appreciated that the sealing connection portion 220 has a certain elasticity, the diameter of the sealing connection portion 220 is larger than that of the liquid injection hole 310, that is, the sealing connection portion 220 is in interference fit with the hole wall of the liquid injection hole 310, so that good sealing performance of the sealing plastic nail 200 is ensured, if the diameter of the sealing connection portion 220 is smaller than or equal to that of the liquid injection hole 310, sealing cannot be achieved, and therefore electrolyte overflows out of the liquid injection hole 310, and the battery is scrapped.
As shown in fig. 3 and 6, in one embodiment, the barb guiding part 230 has a truncated cone structure, the barb guiding part 230 is provided with a connecting surface 231, a guiding inclined surface 232 and a guiding plane 233, the guiding inclined surface 232 is respectively connected with the connecting surface 231 and the guiding plane 233, the connecting surface 231 is further connected with the sealing connecting part 220, and the diameter of the connecting surface 231 is larger than that of the sealing connecting part 220. It can be appreciated that the barb guiding portion 230 is provided with a connecting surface 231, a guiding inclined surface 232 and a guiding plane 233, so that the barb guiding portion 230 is formed into a truncated cone-shaped structure, the guiding plane 233 is of a plane structure, so as to ensure that the inside of the battery cell is not stabbed, the guiding inclined surface 232 is beneficial to the barb guiding portion 230 to move along the wall of the liquid injection hole 310, the diameter of the connecting surface 231 is larger than that of the sealing connecting portion 220, and the connecting surface 231 is clamped on the inner side wall of the cover plate 300 after passing through the liquid injection hole 310.
As shown in fig. 5 and 6, in one embodiment, the diameter of the guiding plane 233 is smaller than the diameter of the pouring orifice 310, so that the barb guiding part 230 is convenient to be snapped onto the inner sidewall of the cover plate 300 after passing through the pouring orifice 310. It will be appreciated that if the diameter of the guide plane 233 is greater than the diameter of the injection hole 310, it is inconvenient to apply force to insert the sealing plastic spike 200 into the injection hole 310.
In one embodiment, as shown in fig. 3, the clamping portion 210 has a cylindrical structure, and the diameter of the clamping portion 210 is larger than the diameter of the connecting surface 231. It can be understood that the diameter of the connecting surface 231 is larger than the diameter of the liquid injection hole 310, and the diameter of the clamping portion 210 is larger than the diameter of the connecting surface 231, so that the clamping portion 210 and the connecting surface 231 are respectively clamped on two sides of the cover plate 300, and the connection strength between the sealing plastic nail 200 and the cover plate 300 is higher. Of course, in other embodiments, the clamping portion 210 may have a rectangular structure or other shape.
As shown in fig. 1 and 2, in one embodiment, a side of the clamping portion 210 adjacent to the sealing connection portion 220 is flush with a top end plane of the injection hole 310. It can be appreciated that the clamping portion 210 is connected with the sealing metal nail 100, and a side of the clamping portion 210 adjacent to the sealing connection portion 220 is flush with a top plane of the liquid injection hole 310, so as to avoid the influence of the sealing plastic nail 200 on the assembly flatness of the sealing metal nail 100 and the cover plate 300.
As shown in fig. 1, in one embodiment, the sealing metal nail 100 is provided with a clearance groove 110, and the clamping portion 210 is located in the clearance groove 110 and is in abutting connection with the sealing metal nail 100. It can be understood that the bottom of the sealing metal nail 100 is provided with the clearance groove 110, and the clamping portion 210 of the sealing plastic nail 200 is located in the clearance groove 110, so that the sealing metal nail 100 is in interference connection with the sealing plastic nail 200, and the influence of the sealing plastic nail 200 on the assembly flatness of the sealing metal nail 100 and the cover plate 300 is avoided, so that the assembly welding effect of the sealing metal nail 100 is better.
As shown in fig. 4 to 6, the present application further provides a cover plate structure 20, including a cover plate 300 and the sealing assembly 10 of any one of the embodiments, the cover plate 300 is provided with a liquid injection hole 310, the cover plate 300 is further provided with an embedded groove 320, the liquid injection hole 310 is communicated with the embedded groove 320, the sealing metal nail 100 is located in the embedded groove 320 and connected with the cover plate 300, the sealing connection portion 220 is located in the liquid injection hole 310, the clamping portion 210 is clamped on the groove wall of the embedded groove 320, and the barb guiding portion 230 is clamped on the inner side wall of the cover plate 300. In this embodiment, the embedded groove 320 is used to cooperate with the sealing metal nail 100, so that the sealing metal nail 100 is located in the embedded groove 320 and welded with the cover plate 300, and the clamping portion 210 and the barb guiding portion 230 are respectively clamped at two sides of the cover plate 300, so that the connection strength between the sealing plastic nail 200 and the cover plate 300 is higher.
The present application also provides a prismatic battery comprising the cover structure 20 of any of the embodiments described above.
Compared with the prior art, the utility model has at least the following advantages:
the sealing assembly 10, the sealing metal nail 100 is in abutting connection with the sealing plastic nail 200, the sealing metal nail 100 is welded on the cover plate 300 of the battery, and the clamping part 210 is clamped on the outer side wall of the cover plate 300, since the sealing connecting part 220 and the barb guiding part 230 have certain elasticity, the sealing connecting part 220 is in interference clamping connection on the hole wall of the liquid injection hole 310, and the barb guiding part 230 passes through the liquid injection hole 310 and then is clamped on the inner side wall of the cover plate 300, compared with the structure that one end of the traditional sealing plastic nail 200 is connected with the sealing metal nail 100, the sealing metal nail 100 is welded on the cover plate 300, namely, when the sealing metal nail 100 is in poor welding, the clamping part 210 and the barb guiding part 230 form two-end clamping structures, so that the sealing plastic nail 200 is not easy to drop or deviate, and the sealing reliability is higher.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The sealing component comprises a sealing metal nail and a sealing plastic nail, wherein the sealing metal nail is in abutting connection with the sealing plastic nail, the sealing metal nail is used for being welded on a cover plate, and is characterized in that,
the plastic sealing nail comprises a clamping part, a sealing connecting part and a barb guiding part, wherein two ends of the sealing connecting part are respectively fixedly connected with the clamping part and the barb guiding part, the clamping part is in abutting connection with the metal sealing nail, the clamping part is used for being clamped on the outer side wall of the cover plate, and the barb guiding part is used for penetrating through the liquid injection hole of the cover plate and then is clamped on the inner side wall of the cover plate.
2. The seal assembly of claim 1, wherein the clip portion, the seal connection portion, and the barb guide are an integral injection molded structure.
3. The seal assembly of claim 1, wherein the seal connection is a cylindrical structure, the seal connection diameter being greater than the diameter of the pour hole.
4. The seal assembly of claim 3, wherein the barb guide portion is of a frustoconical configuration, the barb guide portion is provided with a connection face, a guide inclined face and a guide plane, the guide inclined face is connected with the connection face and the guide plane respectively, the connection face is further connected with the seal connection portion, and the diameter of the connection face is larger than that of the seal connection portion.
5. The seal assembly of claim 4 wherein said guide plane has a diameter less than a diameter of said fill port.
6. The seal assembly of claim 4, wherein the clamping portion is of cylindrical configuration, and wherein the clamping portion has a diameter greater than the diameter of the connection face.
7. The seal assembly of claim 1, wherein a side of the snap-fit portion adjacent the seal connection is flush with a top plane of the pour spout.
8. The seal assembly of claim 1, wherein the seal metal pin is provided with a clearance groove, and the clamping portion is located in the clearance groove and is in abutting connection with the seal metal pin.
9. The utility model provides a apron structure, its characterized in that includes apron and the seal assembly of any one of claims 1 to 8, the notes liquid hole has been seted up to the apron, the apron has still been seted up and has been inlayed the groove, annotate the liquid hole with inlay and establish the groove intercommunication, sealed metal nail is located inlay establish inslot with the apron welding, sealed connecting portion is located annotate the liquid downthehole, joint portion joint is in inlay on the cell wall of establishing the groove, barb guiding part joint is in the inside wall of apron.
10. A prismatic battery comprising the cover structure of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184410.3U CN220628191U (en) | 2023-08-14 | 2023-08-14 | Seal assembly, cover plate structure and square battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184410.3U CN220628191U (en) | 2023-08-14 | 2023-08-14 | Seal assembly, cover plate structure and square battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220628191U true CN220628191U (en) | 2024-03-19 |
Family
ID=90228091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322184410.3U Active CN220628191U (en) | 2023-08-14 | 2023-08-14 | Seal assembly, cover plate structure and square battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220628191U (en) |
-
2023
- 2023-08-14 CN CN202322184410.3U patent/CN220628191U/en active Active
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