CN217114582U - Positive plate cover assembly, negative plate cover assembly and circular power battery - Google Patents
Positive plate cover assembly, negative plate cover assembly and circular power battery Download PDFInfo
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- CN217114582U CN217114582U CN202220624639.7U CN202220624639U CN217114582U CN 217114582 U CN217114582 U CN 217114582U CN 202220624639 U CN202220624639 U CN 202220624639U CN 217114582 U CN217114582 U CN 217114582U
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Abstract
The utility model discloses a positive cover plate component, a negative cover plate component and a circular power battery, which belong to the technical field of new energy batteries, wherein the positive cover plate component comprises a positive cover plate, an insulating partition plate, a pressing plate pole, an insulating sheet, a current collecting sheet, a sealing ring and a rivet, and a liquid injection hole is arranged on the positive cover plate; the negative cover plate component comprises a negative cover plate, an insulating partition plate, a pressure plate pole column, an insulating sheet, a current collecting sheet, a sealing ring and a rivet, wherein a through hole is formed in the negative cover plate, and an explosion-proof sheet and an explosion-proof patch are respectively arranged at the inner end and the outer end of the through hole; the circular power battery is composed of the positive plate cover assembly, the negative plate cover assembly and the aluminum shell, the positive plate cover assembly and the negative plate cover assembly are convenient to install, good in sealing performance, high in explosion-proof performance, good in safety, wide in application range, simple in structure and process, low in cost and convenient to use and maintain.
Description
Technical Field
The utility model relates to a new energy battery technical field, especially a circular power battery's anodal cover plate subassembly, negative pole cover plate subassembly and the circular power battery who uses this anodal cover plate subassembly and negative pole cover plate subassembly.
Background
With the increasing prominence of environmental problems, low-carbon economy becomes the mainstream of future economic development. The increasing air situation further promotes the rise of new energy vehicles. Hybrid electric vehicles and pure electric vehicles are also gradually accepted by manufacturers and consumers as representatives of new energy vehicles. The power battery is used as a main power source of the new energy automobile and becomes one of key components of the electric automobile, the battery cover plate is an extremely important structural part of a battery structural part, and with continuous optimization of the structure of the power battery, the requirement on the power of the battery cover plate for current passing is higher, and the requirement on the discharge power of the power battery is higher. Therefore, it is important to design and provide a power battery top cover with high temperature resistance, high insulation, high sealing performance and good safety performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that proposes among the background art, provide a simple structure, with low costs, use and maintain convenient anodal cover plate subassembly, negative pole cover plate subassembly and use the circular power battery of this anodal cover plate subassembly and negative pole cover plate subassembly equipment.
Realize above-mentioned purpose the technical scheme of the utility model be, a positive pole cover plate subassembly, including positive pole cover plate, insulating barrier, clamp plate utmost point post, insulating piece, current collector piece, sealing washer and rivet, sealing washer, current collector piece, insulating barrier, positive pole cover plate, insulating piece and clamp plate utmost point post loop through rivet connection, the sealing washer plays sealed and insulating effect simultaneously, positive pole cover plate on be provided with annotates the liquid hole, be provided with the hole that corresponds with annotating liquid hole position on the insulating barrier who is connected with positive pole cover plate, annotate the liquid hole including the aperture that runs through positive pole cover plate, be provided with the recess coaxial with the aperture on the outer terminal surface of positive pole cover plate, the aperture in be provided with the steel ball, the recess on be provided with the gasket.
The utility model provides a negative pole apron subassembly, includes negative pole apron, insulating barrier, clamp plate utmost point post, insulating piece, current collector piece, sealing washer and rivet, sealing washer, current collector piece, insulating barrier, negative pole apron, insulating piece and clamp plate utmost point post loop through rivet connection, the negative pole apron on be provided with the through-hole, the inside and outside both ends of through-hole be provided with explosion-proof piece and explosion-proof paster respectively, be provided with the hole that corresponds with the through-hole position on the insulating barrier of negative pole apron connection.
According to the positive electrode cover plate assembly or the negative electrode cover plate assembly, a protruding convex part is arranged on the pressing plate pole, the convex part and the pressing plate pole are in an integrated structure, and the convex part is a cylindrical head or a threaded column head.
Furthermore, two centrally symmetrical riveting holes are formed in the positive electrode cover plate or the negative electrode cover plate, the insulating partition plate, the press plate pole column, the insulating sheet and the current collecting sheet.
Furthermore, a first concave part is arranged on the insulating sheet, the pressing plate pole is installed in the first concave part, and the shape and the size of the pressing plate pole correspond to those of the first concave part.
Furthermore, a second concave part is arranged on the insulating partition plate, a folded edge is arranged at the edge of the insulating cover plate, the mounting position of the current collecting piece is mounted in the second concave part, and the shape and the size of the mounting position of the current collecting piece correspond to those of the second concave part.
A circular power battery comprises an aluminum shell, a positive cover plate assembly and a negative cover plate assembly, wherein the positive cover plate assembly and the negative cover plate assembly are respectively arranged at two ends of the aluminum shell, a pole core and electrolyte are arranged in the aluminum shell, the positive cover plate assembly is the positive cover plate assembly, and the negative cover plate assembly is the negative cover plate assembly.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the pressing plate pole column in various shapes is suitable for various application scenes, the positive plate cover plate assembly and the negative plate cover plate assembly are of the same structure, production and assembly are facilitated, the insulating effect is improved by arranging the insulating partition plate and the insulating sheet, electrolyte is conveniently filled into the liquid filling hole of the positive plate cover plate assembly, the explosion-proof sheet and the explosion-proof paster of the negative plate cover plate assembly improve the explosion-proof performance, and the safety is higher.
2. Through the connection of the insulating partition plate and the current collecting plate and the connection of the insulating plate and the pressure plate pole column, the integration of the positive cover plate assembly and the negative cover plate assembly is better through the concave part, the installation is stable, and the sealing performance is better.
3. Two rivets are adopted for riveting, so that the structures of the positive plate cover assembly and the negative plate cover assembly are more stable.
4. The battery assembled by the positive plate cover assembly and the negative plate cover assembly has the advantages of simple structure and process, low cost and convenience in use and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an exploded view of the positive cover plate assembly, the negative cover plate assembly and the power battery of the present invention,
FIG. 2 is a schematic view of the assembled power battery of the present invention,
FIG. 3 is a schematic structural view of the flat-head type positive plate assembly of the present invention,
figure 4 is a structural schematic diagram of the flat-head type negative electrode cover plate component of the present invention,
FIG. 5 is a schematic structural view of the positive cover plate assembly of the light column type of the present invention,
FIG. 6 is a schematic structural view of the light column type cathode cover plate assembly of the present invention,
FIG. 7 is a schematic structural view of the threaded positive plate assembly of the present invention,
fig. 8 is a schematic structural diagram of the thread type negative electrode cover plate assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the anti-explosion aluminum shell comprises an aluminum shell, 2, a negative cover plate, 3, a positive cover plate, 31, a liquid injection hole, 311, small holes, 312, a groove, 4, a pressing plate pole, 5, an insulating sheet, 51, a first concave portion, 6, an insulating partition plate, 61, a second concave portion, 7, a current collecting sheet, 8, a sealing ring, 9, a rivet, 10, an anti-explosion sheet, 11 and an anti-explosion patch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper/lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed/sleeved," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-8, the present invention provides a technical solution: a positive cover plate assembly comprises a positive cover plate 3, an insulating partition plate 6, a press plate pole column 4, an insulating sheet 5, a current collecting sheet 7, a sealing ring 8 and a rivet 9, wherein the sealing ring 8, the current collecting sheet 7, the insulating partition plate 6, the positive cover plate 3, the insulating sheet 5 and the press plate pole column 4 are sequentially connected through the rivet 9, the sealing ring 8 plays a role in sealing and insulating simultaneously, a liquid injection hole 31 is formed in the positive cover plate 3, a hole corresponding to the position of the liquid injection hole 31 is formed in the insulating partition plate 6 connected with the positive cover plate 3, the size of the hole corresponds to the size of the liquid injection hole, the liquid injection hole 31 comprises a small hole 311 penetrating through the positive cover plate 3, a groove 312 coaxial with the small hole 311 is formed in the outer end face of the positive cover plate 3, a steel ball is arranged in the small hole 311, and a sealing sheet is arranged on the groove 312; a negative cover plate assembly comprises a negative cover plate 2, an insulating partition plate 6, a press plate pole column 4, an insulating sheet 5, a current collecting sheet 7, a sealing ring 8 and a rivet 9, wherein the sealing ring 8, the current collecting sheet 7, the insulating partition plate 6, the negative cover plate 2, the insulating sheet 5 and the press plate pole column 4 are sequentially connected through the rivet 9, the negative cover plate 2 is provided with a through hole, the inner end and the outer end of the through hole are respectively provided with an explosion-proof sheet 10 and an explosion-proof patch 11, the insulating partition plate 6 connected with the negative cover plate 2 is provided with a hole corresponding to the position of the through hole, the hole can be a plurality of small holes, so that electrolyte can flow conveniently, the positive cover plate 3 or the negative cover plate 2, the insulating partition plate 6, the press plate pole column 4, the insulating sheet 5 and the current collecting sheet 7 are provided with two riveting holes which are in central symmetry, the insulating sheet 5 is provided with a first concave part 51, the press plate pole column 4 is arranged in the first concave part 51, the shape and size of the press plate pole 4 correspond to the first concave part 51. The insulating separator 6 is provided with a second concave part 61, the edge of the insulating cover plate is provided with a folded edge, the mounting position of the current collecting piece 7 is mounted in the second concave part 61, and the shape and the size of the mounting position of the current collecting piece 7 correspond to the second concave part 61. During the installation, the nail post of two rivets 9 passes sealing washer 8 in proper order, the junction of current collector 7, insulating barrier 6, positive cover plate 3 or negative-pole cover plate 2, insulating piece 5, and clamp plate utmost point post 4, the junction of current collector 7 is installed on a little concave part of insulating barrier 6, clamp plate utmost point post 4 is installed on the first concave part 51 of insulating piece 5, the lower extreme and the riveting of clamp plate utmost point post 4 of the nail post of rivet 9 are in the same place, the top surface of rivet 9 and the terminal surface welding of current collector 7, the terminal surface of the lower extreme of rivet 9 and the terminal surface parallel and level of clamp plate utmost point post 4 and with clamp plate utmost point post 4 welded insulation, clamp plate utmost point post 4 on be provided with outstanding convex part, convex part and clamp plate utmost point post 4 integral type structure, the convex part be cylinder head or screw thread column cap, this clamp plate utmost point post 4 has three kinds of structures: the flat head type (namely, no convex part is arranged on the pressing plate pole 4), the cylindrical head type and the threaded pole type correspond to different application scenes respectively.
The utility model provides a circular power battery, includes aluminum hull 1, anodal apron subassembly and negative pole apron subassembly set up respectively at the both ends of aluminum hull 1, aluminum hull 1 in be provided with utmost point core and electrolyte, anodal apron subassembly be the aforesaid anodal apron subassembly, negative pole apron subassembly be the aforesaid negative pole apron subassembly, during the installation, insulating barrier 6 respectively with the both ends sealing connection of aluminum hull, adopt the battery of this anodal apron subassembly and negative pole apron subassembly equipment, structure and simple process, with low costs, use and maintenance convenience.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a positive cover plate subassembly which characterized in that: comprises an anode cover plate (3), an insulating partition plate (6), a press plate pole column (4), an insulating sheet (5), a current collecting sheet (7), a sealing ring (8) and a rivet (9), the sealing ring (8), the current collecting piece (7), the insulating partition plate (6), the anode cover plate (3), the insulating piece (5) and the pressing plate pole column (4) are connected in sequence through a rivet (9), the anode cover plate (3) is provided with a liquid injection hole (31), a hole corresponding to the position of the liquid injection hole (31) is arranged on the insulating partition plate (6) connected with the anode cover plate (3), the liquid injection hole (31) comprises a small hole (311) penetrating through the anode cover plate (3), a groove (312) coaxial with the small hole (311) is arranged on the outer end surface of the anode cover plate (3), steel balls are arranged in the small holes (311), and sealing plates are arranged on the grooves (312).
2. The positive electrode cover plate assembly according to claim 1, wherein: the positive pole cover plate (3), the insulating partition plate (6), the press plate pole column (4), the insulating sheet (5) and the current collecting sheet (7) are provided with two centrally symmetrical riveting holes, the press plate pole column (4) is provided with a protruding convex part, the convex part and the press plate pole column (4) are of an integrated structure, and the convex part is a cylindrical head or a threaded column head.
3. The positive electrode cover plate assembly according to claim 2, wherein: insulating piece (5) on be provided with first concave part (51), clamp plate utmost point post (4) install first concave part (51), the shape and size of clamp plate utmost point post (4) corresponding with first concave part (51), insulating baffle (6) on be provided with second concave part (61), insulating cover's edge is provided with the hem, the installation department of current collector piece (7) install second concave part (61), the shape and size of the installation department of current collector piece (7) corresponding with second concave part (61).
4. A negative cover plate assembly, characterized by: including negative pole apron (2), insulating barrier (6), clamp plate utmost point post (4), insulating piece (5), current collector piece (7), sealing washer (8) and rivet (9), sealing washer (8), current collector piece (7), insulating barrier (6), negative pole apron (2), insulating piece (5) and clamp plate utmost point post (4) loop through rivet (9) and connect, negative pole apron (2) on be provided with the through-hole, the inside and outside both ends of through-hole be provided with explosion-proof piece (10) and explosion-proof paster (11) respectively, be provided with the hole that corresponds with the through-hole position on insulating barrier (6) of being connected with negative pole apron (2).
5. The negative electrode cover plate assembly according to claim 4, wherein the negative electrode cover plate (2), the insulating partition plate (6), the press plate pole (4), the insulating sheet (5) and the current collecting sheet (7) are provided with two riveting holes which are centrosymmetric, the press plate pole (4) is provided with a protruding part, the protruding part and the press plate pole (4) are in an integrated structure, and the protruding part is a cylindrical head or a threaded column head.
6. The negative cover plate assembly according to claim 5, wherein the insulating sheet (5) is provided with a first recess (51), the plate terminal (4) is mounted in the first recess (51), the plate terminal (4) has a shape and size corresponding to the first recess (51), the insulating partition plate (6) is provided with a second recess (61), the edge of the insulating cover plate is provided with a folded edge, the mounting portion of the current collecting plate (7) is mounted in the second recess (61), and the mounting portion of the current collecting plate (7) has a shape and size corresponding to the second recess (61).
7. A circular power battery, its characterized in that: the aluminum-clad plate comprises an aluminum shell (1), a positive plate cover assembly and a negative plate cover assembly, wherein the positive plate cover assembly and the negative plate cover assembly are respectively arranged at two ends of the aluminum shell (1), a pole core and electrolyte are arranged in the aluminum shell (1), the positive plate cover assembly is the positive plate cover assembly according to any one of claims 1 to 3, and the negative plate cover assembly is the negative plate cover assembly according to any one of claims 4 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220624639.7U CN217114582U (en) | 2022-03-21 | 2022-03-21 | Positive plate cover assembly, negative plate cover assembly and circular power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220624639.7U CN217114582U (en) | 2022-03-21 | 2022-03-21 | Positive plate cover assembly, negative plate cover assembly and circular power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217114582U true CN217114582U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220624639.7U Active CN217114582U (en) | 2022-03-21 | 2022-03-21 | Positive plate cover assembly, negative plate cover assembly and circular power battery |
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| Country | Link |
|---|---|
| CN (1) | CN217114582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115458845A (en) * | 2022-10-13 | 2022-12-09 | 楚能新能源股份有限公司 | Battery top cap subassembly and power battery |
-
2022
- 2022-03-21 CN CN202220624639.7U patent/CN217114582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115458845A (en) * | 2022-10-13 | 2022-12-09 | 楚能新能源股份有限公司 | Battery top cap subassembly and power battery |
| CN115458845B (en) * | 2022-10-13 | 2023-07-21 | 楚能新能源股份有限公司 | Battery top cover assembly and power battery |
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