CN221057545U - Battery cover plate and battery - Google Patents
Battery cover plate and battery Download PDFInfo
- Publication number
- CN221057545U CN221057545U CN202322571765.8U CN202322571765U CN221057545U CN 221057545 U CN221057545 U CN 221057545U CN 202322571765 U CN202322571765 U CN 202322571765U CN 221057545 U CN221057545 U CN 221057545U
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- Prior art keywords
- mounting
- cover plate
- hole
- pole
- flanging
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000013585 weight reducing agent Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 14
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000011324 bead Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 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
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application relates to the technical field of batteries, in particular to a battery cover plate and a battery, wherein the battery cover plate comprises a cover plate body, a pole and a supporting ring; the cover plate body is provided with a mounting through hole; the support ring comprises a mounting part, a first flanging positioning part and a second flanging positioning part, wherein the mounting part is arranged in the mounting through hole and is welded with the hole wall of the mounting through hole, the first flanging positioning part and the second flanging positioning part are respectively connected to two ends of the mounting part in the thickness direction of the cover plate body and are turned over at an angle relative to the mounting part, and a limiting groove is formed by surrounding the first flanging positioning part, the mounting part and the second flanging positioning part; the pole comprises a pole body and a limit convex edge; the limit protruding edge is connected to the peripheral side wall of the pole body, and the limit protruding edge is arranged in the limit groove. The battery includes the cover plate body. The cover plate body and the battery have the advantages that the structure and the mounting process of the pole column are simplified, the number of parts is reduced, weight reduction is realized, the quality energy density of the battery is improved, and the cost is saved.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a battery cover plate and a battery.
Background
As battery technology is becoming mature, lithium ion batteries are becoming increasingly used as power batteries in the fields of electric automobiles and energy storage.
After the cover plate structure of the lithium ion battery is welded with the aluminum shell, the electrode group is sealed in the aluminum shell, and the cover plate structure plays a role in isolating the internal environment and the external environment of the lithium ion battery; in addition, the cover plate structure can be connected with an internal circuit and an external circuit, and internal current of the lithium ion battery is conveyed to the outside through the top cover pole, so that a diversion effect is achieved.
As shown in fig. 1 and 2, the conventional cover plate structure 2 generally includes a photo-aluminum sheet 20, an upper positive electrode post 21, an upper negative electrode post 22, a lower positive electrode post 23, a lower negative electrode post 24, an upper plastic 25, a lower plastic 26, a sealing ring 27, and the like. The positive electrode lower post penetrates through the through hole in the aluminum sheet to be connected with the positive electrode upper post in a riveting mode, the negative electrode lower post penetrates through the through hole in the aluminum sheet to be connected with the negative electrode upper post in a riveting mode, then laser welding is conducted along the riveting edge, in addition, the positive electrode upper post 21, the negative electrode upper post 22, the positive electrode lower post 23 and the negative electrode lower post 24 are insulated and protected with the aluminum sheet through plastic parts, and sealing is achieved through sealing rings with the aluminum sheet.
Therefore, the upper pole and the lower pole of the existing cover plate structure are welded after being riveted, so that the quantity of parts is large, the weight is large, the improvement of the quality energy density of the battery is not facilitated, and the cost is high, so that the cost advantage of the battery is not facilitated to be improved.
Disclosure of utility model
The application aims to provide a battery cover plate and a battery, which solve the technical problems of low mass energy density and high cost of the battery caused by the large number of parts and heavy weight of the traditional cover plate structure in the prior art to a certain extent.
The application provides a battery cover plate, which comprises a cover plate body, a polar column and a supporting ring;
The cover plate body is provided with a mounting through hole;
The support ring comprises a mounting part, a first flanging positioning part and a second flanging positioning part, wherein the mounting part is arranged in the mounting through hole and is welded with the hole wall of the mounting through hole, the first flanging positioning part and the second flanging positioning part are respectively connected with two ends of the mounting part in the thickness direction of the cover plate body and are turned over at an angle relative to the mounting part, and a limiting groove is formed by the first flanging positioning part, the mounting part and the second flanging positioning part in a surrounding manner;
The pole comprises a pole body and a limiting convex edge;
the limit protruding edge is connected to the peripheral side wall of the pole body, and the circumferential edge of the pole is arranged in the limit groove through the limit protruding edge.
In any of the above technical solutions, further, the battery cover plate further includes a sealing member, the second flange positioning portion is closer to the pole group than the first flange positioning portion, and the sealing member is pressed between the second flange positioning portion and the limiting flange.
In any of the above technical solutions, further, the battery cover plate further includes a first insulating member filled in a space between the support ring and the post and located at a side of the sealing member facing the first flange positioning portion.
In any of the above technical solutions, further, the first insulating member is integrally injection-molded with the pole.
In any of the above technical solutions, further, the first insulating member and the pole are formed independently, and the first insulating member is sleeved on the pole.
In any of the above technical solutions, further, the battery cover plate further includes a second insulating member, and the second insulating member is filled in a space between the support ring and the pole, and is located at a side of the sealing member facing the second flange positioning portion.
In any of the above technical solutions, further, the mounting through hole includes a first hole portion and a second hole portion that are communicated along a thickness direction of the cover plate body, and an opening cross section of the first hole portion is larger than an opening cross section of the second hole portion, so that a bearing shoulder is formed between the first hole portion and the second hole portion;
The mounting part comprises a first mounting ring and a second mounting ring, the first mounting ring is connected to the outer peripheral side wall of the second mounting ring, the first mounting ring is inserted into the first hole part, the second mounting ring is inserted into the second hole part, and the bearing shoulder is abutted to the first mounting ring along the thickness direction of the cover plate body;
the first flanging positioning part and the second flanging positioning part are respectively connected to two ends of the second mounting ring, and the limiting groove is positioned between the first flanging positioning part, the second mounting ring and the second flanging positioning part.
In any of the above technical solutions, further, a hole wall of the first hole portion is welded to a surface opposite to the first mounting ring;
And/or the hole wall of the second hole part is welded with the surface opposite to the second mounting ring.
In any of the above technical solutions, further, the number of the pole, the mounting through hole, and the support ring is two;
the two pole posts are respectively a positive pole post and a negative pole post, the positive pole post is arranged in one mounting through hole through one supporting ring, and the negative pole post is arranged in the other mounting through hole through the other supporting ring;
And/or the first flanging positioning part and the second flanging positioning part are formed by spin riveting or edge rolling relative to the mounting part.
The application also provides a battery, which comprises the battery cover plate according to any one of the technical schemes, so that the battery cover plate has all the beneficial technical effects, and the details are not repeated here.
Compared with the prior art, the application has the beneficial effects that:
The battery cover plate provided by the application comprises a cover plate body, a pole and a support ring, wherein the pole is arranged in an installation through hole of the cover plate body through the support ring. Specifically, support ring and installation through-hole welded fastening, support ring include installation department, first turn-ups location portion and second turn-ups location portion turn-ups shaping for installation department to can peg graft the utmost point post body of utmost point post in the cavity of installation department earlier, then turn over first turn-ups location portion of shaping and second turn-ups location portion towards the border of utmost point post body again, in order to limit the limit recess that is located first turn-ups location portion, installation department and second turn-ups location portion and enclose out with utmost point post body, and then realize independent utmost point post for the convenient installation of apron body.
Compared with the prior scheme that the upper pole and the lower pole are riveted with each other and then welded, the battery cover plate has the advantages that the mounting process is obviously simplified, the independent pole can obviously simplify the structure, the number of parts is reduced, the weight is reduced, the quality energy density of the battery is improved, and the cost is saved.
The battery provided by the application comprises the battery cover plate, so that all beneficial effects of the battery cover plate can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a cover plate structure of a lithium ion battery in the related art;
FIG. 2 is an enlarged view of a portion of FIG. 1 at the positive electrode;
Fig. 3 is a schematic view of a first structure of a battery cover plate according to an embodiment of the present application;
Fig. 4 is a schematic diagram of a second structure of a battery cover plate according to an embodiment of the present application;
fig. 5 is a schematic view of a third structure of a battery cover plate according to an embodiment of the present application;
FIG. 6 is a cross-sectional view taken at section A-A of FIG. 5;
fig. 7 is a partial enlarged view of fig. 6 at B.
Reference numerals:
1-a battery cover plate; 10-a cover plate body; 100-mounting through holes; 101-explosion-proof through holes; 11-pole; 110-a pole body; 111-limiting convex edges; 12-a support ring; 120-mounting part; 1200-a first mounting ring; 1201-a second mounting ring; 121-a first flanging positioning portion; 122-a second flange positioning portion; 13-a sealing member; 14-a first insulating member; 15-a second insulating member; 16-explosion-proof valve; 2-a cover plate structure; 20-a light aluminum sheet; 21-an upper positive electrode post; 22-a negative electrode upper post; 23-a positive electrode lower pole; 24-a negative electrode lower pole; 25-plastic feeding; 26-lower plastic; 27-sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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.
Example 1
Referring to fig. 3 to 7, an embodiment of the present application provides a battery cover plate 1 for being disposed at an end opening of a case of a battery.
The battery cover plate 1 provided in the present embodiment includes a cover plate body 10, a post 11, and a support ring 12.
The cover plate body 10 is used for being installed at the end opening of the battery shell, the cover plate body 10 is provided with an installation through hole 100, and the installation through hole 100 penetrates through the cover plate along the thickness direction of the cover plate body 10.
The support ring 12 includes a mounting portion 120, a first flanging positioning portion 121 and a second flanging positioning portion 122, where the mounting portion 120 is disposed in the mounting through hole 100 and welded with a hole wall of the mounting through hole 100, so as to realize a fixed mounting of the support ring 12 relative to the cover plate body 10.
The first flanging locating portion 121 and the second flanging locating portion 122 are respectively connected to two ends of the mounting portion 120 in the thickness direction of the cover plate body 10 and are turned over angularly with respect to the mounting portion 120, in other words, two ends of the mounting portion 120 in the thickness direction of the cover plate body 10 are respectively connected to the first flanging locating portion 121 and the second flanging locating portion 122, the first flanging locating portion 121 is turned over angularly with respect to the mounting portion 120, and the second flanging locating portion 122 is turned over angularly with respect to the mounting portion 120, so that the first flanging locating portion 121 and the second flanging locating portion 122 are oppositely arranged in the thickness direction of the cover plate body 10 and are separated by a certain interval through the mounting portion 120, so that the first flanging locating portion 121, the mounting portion 120 and the second flanging locating portion 122 enclose a limit groove.
The pole 11 includes a pole body 110 and a limiting flange 111, the limiting flange 111 is connected to the outer peripheral sidewall of the pole body 110, so that the circumferential edge of the pole 11 includes both the circumferential sidewall of the pole body 110 and the limiting flange 111. The pole body 110 is in a column shape, one end of the pole body 110 is used for being electrically connected with a pole group of the battery, and the other end of the pole body 110 is used for being electrically connected with an external structure.
The spacing protruding edge 111 sets up in spacing recess to fix spacing protruding edge 111 along the thickness direction of apron body 10 through first turn-ups location portion 121 and second turn-ups location portion 122, simultaneously, encircle spacing protruding edge 111's periphery lateral wall through installation department 120, with fix a position spacing protruding edge 111 along spacing protruding edge 111's circumference, and then realize the location to pole 11.
Specifically, when the battery cover plate 1 is assembled, the second flanging positioning portion 122 is formed by folding, and then the limiting flange 111 is inserted into the hollow portion of the mounting portion 120, so that the second flanging positioning portion 122 supports the limiting flange 111, and then the first flanging positioning portion 121 is formed by folding towards the limiting flange 111, so that the limiting flange 111 is limited in the limiting groove defined by the first flanging positioning portion 121, the mounting portion 120 and the second flanging positioning portion 122, and further convenient mounting of the independent pole 11 relative to the cover plate body 10 is realized.
Compared with the cover plate structure 2 of the traditional lithium ion battery, the cover plate body 10 omits the complex structure and complex assembly process that the upper pole 11 and the lower pole 11 are riveted and welded, realizes convenient installation of the independent poles 11 to the cover plate body 10, can simplify the installation process, reduces the number of parts, further realizes weight reduction and cost saving, and is beneficial to improving the quality energy density of the battery.
Optionally, the cover body 10 is a light aluminum sheet, and the pole 11 is made of a conductor.
Optionally, the cover plate body 10 is further provided with an explosion-proof through hole 101, and an explosion-proof valve 16 is installed at the explosion-proof through hole 101.
In this embodiment, the first flanging locating portion 121 and the second flanging locating portion 122 are formed by spin riveting or edge rolling with respect to the mounting portion 120, so that the forming process of the first flanging locating portion and the second flanging locating portion is simple and easy to operate, which is beneficial to reducing the forming cost and improving the efficiency of fixing the support ring 12 to the pole 11.
In an alternative of this embodiment, the battery cover 1 further comprises a sealing member 13, and in the use state of the battery cover 1, the second flange positioning portion 122 is closer to the pole group than the first flange positioning portion 121, that is, the second flange positioning portion 122 faces the pole group, and the first flange positioning portion 121 faces the outside.
The sealing member 13 is pressed between the second flange positioning portion 122 and the limit ledge 111, specifically, the second flange positioning portion 122 and the limit ledge 111 have surfaces opposite in the thickness direction of the cover body 10, and the sealing member 13 is disposed at the opposite surfaces thereof, so that the sealing member 13 plays a sealing role between the second flange positioning portion 122 and the limit ledge 111.
Specifically, in the assembly process of the battery cover plate 1, after the second flanging positioning portion 122 is folded and molded, the sealing member 13 is placed on the second flanging positioning portion 122, then the limiting flange 111 is lapped on the second flanging positioning portion 122, and the sealing member 13 is compressed to deform, so that the sealing member 13 is tightly attached to the second flanging positioning portion 122 and the limiting flange 111, and reliable sealing is achieved.
Optionally, the sealing member 13 is a sealing ring, so as to realize full circle sealing of the abutting surface of the second flanging positioning portion 122 and the limiting flange 111.
In an alternative of this embodiment, the battery cover 1 further includes a first insulating member 14, and the first insulating member 14 is filled in the space between the support ring 12 and the post 11 and is located at a side of the sealing member 13 facing the first flange positioning portion 121. Specifically, the first insulating member 14 includes a first insulating portion filled between the first burring positioning portion 121 and the circumferential side wall of the pole body 110, a second insulating portion filled between the first burring positioning portion 121 and the limit bead 111, and a third insulating portion filled between the mounting portion 120 and the circumferential side wall of the limit bead 111, so that the support ring 12 and the pole 11 are insulated by the first insulating member 14.
In this embodiment, as an assembly scheme of the first insulating member 14 and the pole 11, the first insulating member 14 and the pole 11 are integrally injection-molded and connected, and the whole formed by injection-molding and connecting the two is assembled to the support ring 12.
In this embodiment, as another assembly scheme of the first insulating member 14 and the pole 11, the first insulating member 14 and the pole 11 are formed independently, the first insulating member 14 is sleeved on the pole 11, and then the two are connected to form a whole to be assembled to the support ring 12.
In an alternative of this embodiment, the battery cover plate 1 further includes a second insulating member 15, and the second insulating member 15 is filled in the space between the support ring 12 and the pole 11 and is located at a side of the sealing member 13 facing the second flange positioning portion 122. Specifically, the second insulating member 15 includes a fourth insulating portion filled between the seal and the pole body 110, a fifth insulating portion coated on the second flange positioning portion 122, and a sixth insulating portion coated on the cover body 10 and corresponding to the second flange positioning portion 122.
Specifically, after the first folding positioning portion is folded and molded, the second insulating member 15 is inserted into the space between the support ring 12 and the pole 11 on the side of the second flanging positioning portion 122, so as to assemble the second insulating member 15.
In an alternative of this embodiment, the mounting through hole 100 includes a first hole portion and a second hole portion that are communicated in the thickness direction of the cover plate body 10, and the open cross section of the first hole portion is larger than that of the second hole portion, so that a supporting shoulder is formed between the first hole portion and the second hole portion.
The mounting portion 120 includes a first mounting ring 1200 and a second mounting ring 1201, the first mounting ring 1200 is connected to the outer peripheral side wall of the second mounting ring 1201, the first mounting ring 1200 is inserted into the first hole portion, the second mounting ring 1201 is inserted into the second hole portion, and the bearing shoulder is abutted with the first mounting ring 1200 along the thickness direction of the cover plate body 10, so that the first mounting can be carried out through the bearing shoulder, the mounting portion 120 can be positioned once in the mounting through hole 100, and the mounting portion 120 can be welded with the cover plate body 10 at the positioning through hole.
The first flanging locating portion 121 and the second flanging locating portion 122 are respectively connected to two ends of the second mounting ring 1201, and the limiting groove is located between the first flanging locating portion 121, the second mounting ring 1201 and the second flanging locating portion 122, so that the pole 11 is mounted in the hollow portion of the second mounting ring 1201.
Alternatively, the mounting through hole 100 is a stepped hole.
In an alternative of this embodiment, in order to achieve the welded installation of the support ring 12 and the cover plate body 10, the hole wall of the first hole portion is welded to the surface opposite to the first mounting ring 1200; or the hole wall of the second hole part is welded with the surface opposite to the second mounting ring 1201; further alternatively, the hole wall of the first hole portion is welded to the surface opposite to the first mounting ring 1200, and the hole wall of the second hole portion is welded to the surface opposite to the second mounting ring 1201.
In the alternative of this embodiment, the number of the pole 11, the mounting through hole 100 and the support ring 12 is two.
The two poles 11 are respectively a positive pole and a negative pole, the positive pole is installed in one installation through hole 100 through one support ring 12, and the negative pole is installed in the other installation through hole 100 through the other support ring 12, so that the positive pole and the negative pole of the battery cover plate 1 are both installed on the cover plate body 10 in the form of independent poles 11.
Example two
The second embodiment provides a battery, the embodiment includes the battery cover plate in the first embodiment, and the technical features of the battery cover plate disclosed in the first embodiment are also applicable to the embodiment, and the technical features of the battery cover plate disclosed in the first embodiment are not repeated.
As shown in fig. 3 to 7, the battery provided in this embodiment includes a battery cover plate 1, specifically, the battery further includes a housing and a pole group disposed in the housing, the battery cover plate 1 is sealed at an end opening of the housing, so that the pole group is sealed in the housing, and the pole group can be electrically connected with the outside through a pole 11 of the battery cover plate 1.
Alternatively, the battery is a lithium ion battery.
The battery in this embodiment has the advantages of the battery cover plate in the first embodiment, and the advantages of the battery cover plate disclosed in the first embodiment are not repeated here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, any of the claimed embodiments can be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (10)
1. The battery cover plate is characterized by comprising a cover plate body, a pole and a supporting ring;
The cover plate body is provided with a mounting through hole;
The support ring comprises a mounting part, a first flanging positioning part and a second flanging positioning part, wherein the mounting part is arranged in the mounting through hole and is welded with the hole wall of the mounting through hole, the first flanging positioning part and the second flanging positioning part are respectively connected with two ends of the mounting part in the thickness direction of the cover plate body and are turned over at an angle relative to the mounting part, and a limiting groove is formed by the first flanging positioning part, the mounting part and the second flanging positioning part in a surrounding manner;
The pole comprises a pole body and a limiting convex edge;
The limiting convex edge is connected to the peripheral side wall of the pole body, and the limiting convex edge is arranged in the limiting groove.
2. The battery cover plate of claim 1, further comprising a sealing member;
The second flanging locating part is closer to the pole group than the first flanging locating part, and the sealing member is pressed between the second flanging locating part and the limiting convex edge.
3. The battery cover plate according to claim 2, further comprising a first insulating member filled in a space between the support ring and the post and located on a side of the sealing member facing the first burring positioning portion.
4. The battery cover plate of claim 3, wherein the first insulating member is integrally injection molded with the post.
5. The battery cover plate of claim 3, wherein the first insulating member is formed separately from the pole, and the first insulating member is sleeved on the pole.
6. The battery cover plate according to claim 4 or 5, further comprising a second insulating member filled in a space between the support ring and the post and located on a side of the sealing member facing the second burring positioning portion.
7. The battery cover according to claim 1, wherein the mounting through hole includes a first hole portion and a second hole portion communicating in a thickness direction of the cover body, an opening cross section of the first hole portion being larger than an opening cross section of the second hole portion so that a receiving shoulder is formed between the first hole portion and the second hole portion;
The mounting part comprises a first mounting ring and a second mounting ring, the first mounting ring is connected to the outer peripheral side wall of the second mounting ring, the first mounting ring is inserted into the first hole part, the second mounting ring is inserted into the second hole part, and the bearing shoulder is abutted to the first mounting ring along the thickness direction of the cover plate body;
the first flanging positioning part and the second flanging positioning part are respectively connected to two ends of the second mounting ring, and the limiting groove is positioned between the first flanging positioning part, the second mounting ring and the second flanging positioning part.
8. The battery cover plate of claim 7, wherein the wall of the first aperture is welded to the surface of the first mounting ring opposite the first mounting ring;
And/or the hole wall of the second hole part is welded with the surface opposite to the second mounting ring.
9. The battery cover plate of claim 1, wherein the number of the pole, the mounting through hole and the support ring is two;
the two pole posts are respectively a positive pole post and a negative pole post, the positive pole post is arranged in one mounting through hole through one supporting ring, and the negative pole post is arranged in the other mounting through hole through the other supporting ring;
And/or the first flanging positioning part and the second flanging positioning part are formed by spin riveting or edge rolling relative to the mounting part.
10. A battery comprising the battery cover plate according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571765.8U CN221057545U (en) | 2023-09-21 | 2023-09-21 | Battery cover plate and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571765.8U CN221057545U (en) | 2023-09-21 | 2023-09-21 | Battery cover plate and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221057545U true CN221057545U (en) | 2024-05-31 |
Family
ID=91223145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322571765.8U Active CN221057545U (en) | 2023-09-21 | 2023-09-21 | Battery cover plate and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221057545U (en) |
-
2023
- 2023-09-21 CN CN202322571765.8U patent/CN221057545U/en active Active
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