CN218731344U - Square battery top cover - Google Patents
Square battery top cover Download PDFInfo
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- CN218731344U CN218731344U CN202222770221.XU CN202222770221U CN218731344U CN 218731344 U CN218731344 U CN 218731344U CN 202222770221 U CN202222770221 U CN 202222770221U CN 218731344 U CN218731344 U CN 218731344U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a square battery top cap, include: the device comprises a positive pole column assembly, a sealing ring, positive pole upper plastic, negative pole upper plastic, a polished aluminum sheet, lower plastic and a negative pole column assembly, wherein a positive pole column mounting hole and a negative pole column mounting hole are formed in the polished aluminum sheet; the positive pole column assembly and the negative pole column assembly are respectively and correspondingly arranged in the positive pole column mounting hole and the negative pole column mounting hole, the negative pole column assembly is provided with a negative pole column, and the negative pole column is made of copper-aluminum composite plates; a first sealing element mounting groove is formed in the plastic on the anode; a second sealing element mounting groove is formed in the plastic on the negative electrode; the two sealing rings are respectively arranged in the first sealing element mounting groove and the second sealing element mounting groove; lower plastic cement is arranged between the anode column assembly and the bottom surface of the aluminum sheet and between the cathode column assembly and the bottom surface of the aluminum sheet. The utility model saves the processing cost of the traditional friction welding mode of the negative pole column by arranging the negative pole column of the copper-aluminum composite board; due to the use of the composite board, the consumption of copper materials is reduced, and the weight of the top cover is reduced.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a square battery top cap.
Background
At present, under the promotion of the existing policies and markets, the demand on lithium ion power batteries is increased day by day, higher requirements are put forward on the cost of a battery top cover and the complexity of processing procedures, the traditional assembly mode in the existing top cover structure mainly comprises an injection molding mode and a riveting mode, wherein a negative pole column of the riveting type top cover is processed by adopting a friction welding mode of two materials, the cost of the top cover is difficult to reduce due to the higher processing cost of the friction welding, the processing mode of the friction welding has high requirements on the processing capacity of suppliers, and the selection threshold of the suppliers is improved; meanwhile, the amount of the copper material of the cathode column in the traditional structure is large, so that the improvement of the energy density is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the square battery top cover with a simple construction process is needed to solve the problems that the using amount of the negative pole copper material of the traditional structure is large and the friction welding processing cost of the two materials adopted by the negative pole is high.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a prismatic battery top cap, the prismatic battery top cap comprising: the device comprises a positive pole column assembly, a sealing ring, positive pole upper plastic, negative pole upper plastic, a polished aluminum sheet, lower plastic and a negative pole column assembly, wherein a positive pole column mounting hole and a negative pole column mounting hole are formed in the polished aluminum sheet; the positive pole column assembly and the negative pole column assembly are respectively and correspondingly arranged in a positive pole column mounting hole and a negative pole column mounting hole of the polished aluminum sheet, the negative pole column assembly is provided with a negative pole column, and the negative pole column is made of copper-aluminum composite plates; the positive pole upper plastic is arranged between the positive pole column assembly and the top surface of the smooth aluminum sheet and extends upwards to cover the side surface of the positive pole column assembly, and a first sealing element mounting groove is formed in the positive pole upper plastic; the negative pole upper plastic is arranged between the negative pole column assembly and the top surface of the polished aluminum sheet, and a second sealing piece mounting groove is formed in the negative pole upper plastic; the two sealing rings are respectively arranged in the first sealing piece mounting groove and the second sealing piece mounting groove, and the tops of the two sealing rings are respectively abutted with the positive pole column assembly and the negative pole column assembly; lower plastic cement is arranged between the anode column assembly and the bottom surface of the aluminum flake and between the cathode column assembly and the bottom surface of the aluminum flake.
The square battery top cover is provided with the negative pole column of the copper-aluminum composite plate, so that the processing cost of the traditional friction welding mode of the negative pole column is saved; due to the use of the composite board, the using amount of copper materials is reduced, and the weight of the top cover is reduced.
In one embodiment, the smooth aluminum sheet is provided with an explosion-proof opening, the top surface of the smooth aluminum sheet is provided with an explosion-proof valve protection film for blocking the explosion-proof opening, the bottom surface of the smooth aluminum sheet is provided with a protection film explosion-proof valve, the protection film explosion-proof valve is welded and fixed on the bottom surface of the smooth aluminum sheet, and the outlet end of the protection film explosion-proof valve is communicated with the explosion-proof opening.
In one embodiment, the top surface of the aluminum flake is provided with a positive pole mounting boss and a negative pole mounting boss, the positive pole mounting hole is formed in the center of the positive pole mounting boss, and the positive pole plastic is coated on the positive pole mounting boss; the plastic on the negative electrode is coated on the mounting boss of the negative electrode column; the plastic on the negative electrode and the plastic on the positive electrode are both made of PP insulating plastics. The positive pole upper plastic and the negative pole upper plastic of the embodiment are respectively coated on the positive pole mounting boss and the negative pole mounting boss, and the structure enables the combination area of the upper plastic and the pole mounting boss to be larger and firmer, so that the integral battery top cover structure is firmer and is not easy to generate relative displacement; meanwhile, the upper plastic can play an insulating role between the pole and the smooth aluminum sheet.
In one embodiment, the negative pole adopts a copper-aluminum composite plate with the mass ratio of aluminum to copper being 1:1-5:1, the thickness of the copper-aluminum composite board is 2-5mm. The cathode pole of the embodiment has the function of electric conduction, and compared with the conventional copper-aluminum friction welding mode, the composite board saves the processing cost.
In one embodiment, the positive pole assembly comprises a positive pole and a positive pole base plate, the positive pole penetrates through a positive pole mounting hole, one end of the positive pole is fixed on the positive pole base plate, the positive pole base plate is provided with a first mounting hole, and the first mounting hole and the positive pole are coaxially arranged;
the negative pole post subassembly includes negative pole bottom plate and negative pole post, the negative pole post runs through negative pole post mounting hole, just the one end of negative pole post is fixed on the negative pole bottom plate, the second mounting hole has been seted up to the negative pole bottom plate, the second mounting hole sets up with the negative pole post is coaxial.
In one embodiment, the positive base plate is made of aluminum, the negative base plate is made of copper, the thicknesses of the positive base plate and the negative base plate are 0.5-3mm, the distance between the top surfaces of the positive pole and the negative pole and the aluminum flake is 1-7mm, central punching holes are formed in the top surfaces of the positive pole and the negative pole, and the depth of each central punching hole is 0-5mm. The positive post and the negative pole post of this embodiment are used for the effect of switching on of electric current, and the bottom plate is used for switching on of the positive negative pole material of inside electric core, and utmost point post upper surface is used for switching on the external power supply of battery package.
In one embodiment, the seal ring is made of fluororubber.
In one embodiment, the bottom surface of the polished aluminum sheet is provided with a lower plastic mounting boss, the lower plastic is wrapped on the lower plastic mounting boss, and the lower plastic is made of PP insulating plastic.
In one embodiment, one end of the positive pole penetrates through the positive base plate and is folded outwards to press the positive base plate, and the positive pole and the positive base plate are riveted and fixed.
In one embodiment, the positive pole is welded and fixed with the positive bottom plate.
The advantages and effects are as follows:
1. the utility model saves the processing cost of the traditional friction welding mode of the negative pole column by arranging the negative pole column of the copper-aluminum composite board; due to the use of the composite board, the using amount of copper materials is reduced, and the weight of the top cover is reduced.
2. The utility model discloses a connect with laser welding's mode between utmost point post and the bottom plate, the assembly methods is simplified, "two welds of one pressure" can accomplish, the assembly methods of simplifying has reduced the processing cost of top cap.
Drawings
Fig. 1 is a schematic structural diagram of a square battery top cover according to an embodiment of the present invention;
fig. 2 is an exploded view of a square battery top cover according to an embodiment of the present invention;
fig. 3 is a schematic diagram 1 of the assembly relationship of the square battery top cover according to the embodiment of the present invention;
fig. 4 is a schematic view of an assembly manner of a top cover of a square battery according to an embodiment of the present invention 2;
fig. 5 is a schematic view of the welding assembly of the pole column and the bottom plate with the mounting boss of the embodiment of the present invention, wherein the upper left drawing is a schematic view 1 of the welding of the positive pole column and the positive bottom plate, the upper right drawing is a schematic view 2 of the welding of the positive pole column and the positive bottom plate, the lower left drawing is a schematic view 1 of the welding of the negative pole column and the negative bottom plate, and the lower right drawing is a schematic view 2 of the welding of the negative pole column and the negative bottom plate;
fig. 6 is a schematic view of the welding assembly of the post without the mounting boss and the bottom plate of the embodiment of the present invention, wherein the upper view is a schematic view of the welding of the positive post and the positive bottom plate; the lower drawing is a schematic welding diagram of the negative pole column and the negative pole bottom plate;
fig. 7 is a schematic cross-sectional view of an alternative positive and negative electrode posts according to an embodiment of the present invention;
fig. 8 is the utility model discloses utmost point post and bottom plate riveting assembly schematic diagram, wherein the picture of going up is the riveting schematic diagram of anodal post and anodal bottom plate, and the picture of going down is the riveting schematic diagram of negative pole post and negative pole bottom plate.
100-square battery top cover; 101-positive pole; 102-a sealing ring; 103-plastic on the positive electrode; 104-polished aluminum sheet; 105-lower plastic; 106-positive electrode base plate; 107-negative pole column; 108-plastic on the negative electrode; 109-negative electrode base plate; 110-explosion-proof valve protection film; 111-explosion-proof valve.
Detailed description of the preferred embodiments
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
As shown in fig. 1-8, the utility model provides a square battery top cap, include: the device comprises a positive pole column assembly, a sealing ring 102, an upper positive plastic 103, an upper negative plastic 108, a polished aluminum sheet 104, a lower plastic 105 and a negative pole column assembly, wherein the polished aluminum sheet 104 is provided with a positive pole column mounting hole and a negative pole column mounting hole; the positive pole column assembly and the negative pole column assembly are respectively and correspondingly arranged in a positive pole column mounting hole and a negative pole column mounting hole of the polished aluminum sheet 104, the negative pole column assembly is provided with a negative pole column 107, and the negative pole column 107 is made of a copper-aluminum composite plate; the positive electrode upper plastic 103 is arranged between the positive electrode post assembly and the top surface of the smooth aluminum sheet 104 and extends upwards to cover the side surface of the positive electrode post assembly, and a first sealing element mounting groove is formed in the positive electrode upper plastic 103; the upper plastic 108 is arranged between the negative pole column assembly and the top surface of the aluminum flake 104, and a second sealing piece mounting groove is formed in the negative pole upper plastic 108; two sealing rings 102 are arranged in the middle ring 102, the two sealing rings 102 are respectively arranged in a first sealing piece mounting groove and a second sealing piece mounting groove, and the tops of the two sealing rings 102 are respectively abutted with the anode column assembly and the cathode column assembly; lower plastic 105 is arranged between the anode post assembly and the cathode post assembly and the bottom surface of the aluminum flake 104. The square battery top cover is provided with the negative pole 107 made of the copper-aluminum composite plate, so that the processing cost of the traditional friction welding mode for the negative pole is saved; due to the use of the composite board, the using amount of copper materials is reduced, and the weight of the top cover is reduced.
The utility model discloses explosion-proof mouthful has been seted up to smooth aluminum sheet 104, and smooth aluminum sheet 104's top surface is provided with the explosion-proof valve protection film 110 that is used for the shutoff explosion-proof mouthful, and smooth aluminum sheet 104's bottom surface is provided with protection film explosion-proof valve 111, and protection film explosion-proof valve 111 passes through laser welding to be fixed in smooth aluminum sheet 104's bottom surface, and protection film explosion-proof valve 111's exit end and explosion-proof mouthful intercommunication.
The top surface of the smooth aluminum sheet 104 of the embodiment of the utility model is provided with a positive pole mounting boss and a negative pole mounting boss, a positive pole mounting hole is arranged at the center of the positive pole mounting boss, and the plastic 103 on the positive pole is coated on the positive pole mounting boss; the cathode upper plastic 108 is coated on the cathode column mounting boss, the height of the convex hull can be adjusted according to the product size requirement, and the convex hull can be cancelled or provided with a reverse convex hull to meet the product size requirement; the plastic 108 on the negative electrode and the plastic 103 on the positive electrode are both made of PP insulating plastic. In the embodiment, the positive pole upper plastic 103 and the negative pole upper plastic 108 are respectively coated on the positive pole mounting boss and the negative pole mounting boss, so that the combination area of the upper plastic and the pole mounting boss is larger and firmer, and the integral battery top cover structure is firmer and is not easy to generate relative displacement; meanwhile, the upper plastic can play an insulating role between the pole and the smooth aluminum sheet 104.
The utility model discloses negative pole post 107 adopts copper aluminium composite board's aluminium and copper mass ratio 1:1-5:1, the thickness of the copper-aluminum composite board is 2-5mm. The negative pole 107 of the embodiment has the function of conducting electricity, and the composite board saves the processing cost more than the conventional copper-aluminum friction welding mode.
The positive pole component of the embodiment of the utility model comprises a positive pole 101 and a positive pole base plate 106, wherein the positive pole 101 penetrates through a positive pole mounting hole, one end of the positive pole 101 is fixed on the positive pole base plate 106, the positive pole base plate 106 is provided with a first mounting hole, and the first mounting hole is coaxial with the positive pole 101; the negative pole post subassembly includes negative pole bottom plate 109 and negative pole post 107, and negative pole post 107 runs through negative pole post mounting hole, and the one end of negative pole post 107 is fixed on negative pole bottom plate 109, and the second mounting hole has been seted up to negative pole bottom plate 109, and the second mounting hole sets up with negative pole post 107 is coaxial.
The utility model discloses positive bottom plate 106 adopts the aluminium material to make, negative pole bottom plate 109 adopts the copper product to make, positive bottom plate 106 and negative pole bottom plate 109's thickness is 0.5-3mm, the distance between positive post 101 and negative pole post 107's top surface and the smooth aluminum sheet 104 is 1-7mm, wherein positive post 101 and negative pole post 107's cross-section can be made into the square, the rectangle, it is circular, runway shape, oval, single cut edge is circular, central punching press hole has all been seted up to the top surface of shape positive post 101 such as double cut edge circular and utmost point post 107, the degree of depth in central punching press hole is 0-5mm, central punching press hole can be the square, the rectangle, it is circular, runway shape, oval, single cut edge is circular or double cut edge is circular wait the shape. The positive pole column 101 and the negative pole column 107 of this embodiment are used for conducting current, the bottom plate is used for conducting positive and negative pole materials of an internal electric core, and the upper surface of the pole column is used for conducting a battery pack to supply power to the outside.
The sealing ring 102 of the embodiment of the present invention is made of fluororubber, and the cross section of the sealing ring may be L-shaped, rectangular, or circular.
The utility model discloses smooth aluminum sheet 104's bottom surface is provided with down plastic installation boss, and lower plastic 105 cladding is on plastic installation boss down, and lower plastic 105 is made for the insulating plastic of PP material.
In the embodiment of the present invention, the positive post 101 and the positive base plate 106 are welded and fixed, as shown in fig. 5, for the square battery top cap provided by the present invention, the positive post 101 and the positive base plate 106 are pressed against each other to make the joint surface 10A fit in place, and then welded in the plane area 106b by laser welding; similarly, the negative electrode tab 107 and the negative electrode base plate 109 are pressed against each other to attach the joint surface 10A in position, and then welded by laser welding in the flat area 109 b.
As shown in fig. 5, in order to provide a square battery top cap according to an embodiment of the present invention, the positive post 101 and the positive base plate 106 are pressed against each other to make the through hole joining surface 10B fit in place, and then welded in the through hole sidewall region 106c by laser welding; similarly, the negative electrode tab 107 and the negative electrode base plate 109 are pressed against each other so that the through-hole joint surface 10B is bonded in place, and then welded by laser welding in the flat area 109 c.
As shown in fig. 6, in the square battery top cap provided by the embodiment of the present invention, the smooth aluminum sheet 104 does not have the positive post mounting boss and the negative post mounting boss, the positive post 101 and the positive base plate 106 are pressed against each other to make the through hole junction surface 10B fit in place, and then welded in the through hole sidewall region 106c by laser welding; similarly, the negative electrode tab 107 and the negative electrode base plate 109 are pressed against each other so that the through-hole joint surface 10B is bonded in place, and then welded by laser welding in the 1 plane region 109 c. The utility model discloses a connect with laser welding's mode between utmost point post and the utmost point post bottom plate, the assembly quality is simplified, "two welds of a pressure" can accomplish, the assembly quality of simplifying has reduced the processing cost of top cap.
The utility model discloses positive post 101 passes positive bottom plate 106 and turns over outwards and push down positive bottom plate 106, and positive post 101 and positive bottom plate 106 riveting are fixed. Specifically, as shown in fig. 8, for the embodiment of the utility model provides a square battery top cap, for further reduce cost, practice thrift laser welding's cost, can also change original laser welding's form into the riveting form, specific assembly mode is: the positive pole 101 penetrates through the step hole 106d of the positive base plate 106, and the lower end of the positive pole 101 is punched to form a flanging 10C which presses the positive base plate 106, so that riveting assembly is completed; the negative pole column 107 penetrates through the step hole 109d of the negative pole bottom plate 109, the lower end of the positive pole column 107 is punched to form a flanging 10C, and the positive pole bottom plate 106 is pressed, so that riveting assembly is completed, the connection mode is simple in machining process, and the complexity of machining of the whole square battery top cover is reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A prismatic battery top cap, characterized in that, the prismatic battery top cap includes: a positive pole column component, a sealing ring (102), positive pole upper plastic (103), negative pole upper plastic (108), a smooth aluminum sheet (104), lower plastic (105) and a negative pole column component,
the aluminum flake (104) is provided with a positive pole mounting hole and a negative pole mounting hole;
the positive pole column assembly and the negative pole column assembly are respectively and correspondingly arranged in a positive pole column mounting hole and a negative pole column mounting hole of the polished aluminum sheet (104), the negative pole column assembly is provided with a negative pole column (107), and the negative pole column (107) is made of a copper-aluminum composite plate;
the anode upper plastic (103) is arranged between the anode column assembly and the top surface of the aluminum flake (104) and extends upwards to cover the side surface of the anode column assembly, and a first sealing element mounting groove is formed in the anode upper plastic (103);
the negative electrode upper plastic (108) is arranged between the negative electrode column assembly and the top surface of the aluminum flake (104), and a second sealing piece mounting groove is formed in the negative electrode upper plastic (108);
the number of the sealing rings (102) is two, the two sealing rings (102) are respectively arranged in a first sealing element mounting groove and a second sealing element mounting groove, and the tops of the two sealing rings (102) are respectively abutted with the positive pole column assembly and the negative pole column assembly;
lower plastic cement (105) is arranged between the anode post assembly and the bottom surface of the aluminum polished sheet (104) and between the cathode post assembly and the bottom surface of the aluminum polished sheet (104).
2. The square battery top cover according to claim 1, wherein the smooth aluminum sheet (104) is provided with an explosion-proof opening, the top surface of the smooth aluminum sheet (104) is provided with an explosion-proof valve protection film (110) for blocking the explosion-proof opening, the bottom surface of the smooth aluminum sheet (104) is provided with a protection film explosion-proof valve (111), the protection film explosion-proof valve (111) is welded and fixed on the bottom surface of the smooth aluminum sheet (104), and the outlet end of the protection film explosion-proof valve (111) is communicated with the explosion-proof opening.
3. The square battery top cap according to claim 1, wherein the top surface of the polished aluminum sheet (104) is provided with a positive pole mounting boss and a negative pole mounting boss, the positive pole mounting hole is formed in the center of the positive pole mounting boss, and the positive pole plastic (103) is coated on the positive pole mounting boss; the cathode upper plastic (108) is coated on the cathode column mounting boss; the negative electrode upper plastic (108) and the positive electrode upper plastic (103) are both made of PP insulating plastics.
4. The square battery top cap according to claim 1, wherein the negative pole posts (107) are made of copper-aluminum composite plates with the mass ratio of aluminum to copper being 1:1-5:1, the thickness of the copper-aluminum composite board is 2-5mm.
5. The square battery top cover according to claim 3, wherein the positive pole assembly comprises a positive pole (101) and a positive pole base plate (106), the positive pole (101) penetrates through the positive pole mounting hole, one end of the positive pole (101) is fixed on the positive pole base plate (106), the positive pole base plate (106) is provided with a first mounting hole, and the first mounting hole is coaxially arranged with the positive pole (101);
the negative pole post subassembly includes negative pole bottom plate (109) and negative pole post (107), negative pole post (107) run through negative pole post mounting hole, just the one end of negative pole post (107) is fixed on negative pole bottom plate (109), the second mounting hole has been seted up to negative pole bottom plate (109), the second mounting hole sets up with negative pole post (107) is coaxial.
6. The square battery top cap according to claim 5, wherein the positive base plate (106) is made of aluminum, the negative base plate (109) is made of copper, the thicknesses of the positive base plate (106) and the negative base plate (109) are 0.5-3mm, the distance between the top surfaces of the positive post (101) and the negative post (107) and the aluminum flake (104) is 1-7mm, the top surfaces of the positive post (101) and the post (107) are provided with a central punching hole, and the depth of the central punching hole is 0-5mm.
7. The prismatic cell top cap according to claim 5, wherein said sealing ring (102) is made of viton.
8. The top cap of the square battery according to claim 7, wherein the bottom surface of the polished aluminum sheet (104) is provided with a lower plastic mounting boss, the lower plastic (105) is wrapped on the lower plastic mounting boss, and the lower plastic (105) is made of PP insulating plastic.
9. The square battery top cap according to claim 5, wherein one end of the positive post (101) penetrates through the positive base plate (106) and is folded outwards to press the positive base plate (106), and the positive post (101) is riveted with the positive base plate (106).
10. The prismatic battery top cap according to claim 5, wherein the positive post (101) is welded to the positive base plate (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222770221.XU CN218731344U (en) | 2022-10-20 | 2022-10-20 | Square battery top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222770221.XU CN218731344U (en) | 2022-10-20 | 2022-10-20 | Square battery top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218731344U true CN218731344U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222770221.XU Active CN218731344U (en) | 2022-10-20 | 2022-10-20 | Square battery top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218731344U (en) |
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2022
- 2022-10-20 CN CN202222770221.XU patent/CN218731344U/en active Active
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Address after: 421681 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee after: Hunan lingpaidazhi Technology Co.,Ltd. Patentee after: Hunan Lingpai New Energy Technology Co.,Ltd. Patentee after: Hengyang Lingpai New Energy Technology Co.,Ltd. Patentee after: Hunan Lingpai New Energy Research Institute Co.,Ltd. Address before: 421681 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee before: Hunan lingpaidazhi Technology Co.,Ltd. Patentee before: Hunan Lingpai New Energy Technology Co.,Ltd. Patentee before: Hengyang Lingpai New Energy Technology Co.,Ltd. Patentee before: Hunan Lingpai Dingxin Battery Research Institute Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230718 Address after: 421681 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee after: Hunan lingpaidazhi Technology Co.,Ltd. Patentee after: Hunan Lingpai New Energy Technology Co.,Ltd. Patentee after: Hengyang Lingpai New Energy Technology Co.,Ltd. Patentee after: Hunan Lingpai New Energy Research Institute Co.,Ltd. Patentee after: Hunan Lingpai Energy Storage Technology Co.,Ltd. Address before: 421681 Jinwei Road, Guiyang Industrial Park, Qidong County, Hengyang City, Hunan Province Patentee before: Hunan lingpaidazhi Technology Co.,Ltd. Patentee before: Hunan Lingpai New Energy Technology Co.,Ltd. Patentee before: Hengyang Lingpai New Energy Technology Co.,Ltd. Patentee before: Hunan Lingpai New Energy Research Institute Co.,Ltd. |