CN220510130U - Extremely simple power battery cover plate assembly structure - Google Patents
Extremely simple power battery cover plate assembly structure Download PDFInfo
- Publication number
- CN220510130U CN220510130U CN202322157458.5U CN202322157458U CN220510130U CN 220510130 U CN220510130 U CN 220510130U CN 202322157458 U CN202322157458 U CN 202322157458U CN 220510130 U CN220510130 U CN 220510130U
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- China
- Prior art keywords
- cover plate
- hole
- conical
- power battery
- extremely simple
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- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000005538 encapsulation Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000010073 coating (rubber) Methods 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The utility model discloses a cover plate assembly structure of a very simple power battery, which comprises a cover plate, a pole column, a sealing gasket and an insulating plate, wherein the cover plate is provided with a flanging, a notch, a first conical hole, a first through hole and a first countersink; the pole is provided with an encapsulation, a first conical column and a bottom plate; the sealing gasket is provided with a second conical column and a second conical hole; the insulating plate is provided with reinforcing ribs, second countersunk holes and second through holes; the cover plate, the pole, the sealing gasket and the insulating plate are mutually nested and assembled together through the first conical hole, the first through hole, the second conical hole and the second through hole, the top of the cover plate is melted down to cover the flanging and the notch through heating encapsulation, and meanwhile the flanging and the notch are extruded to enable the first through hole to be closed inwards to form final assembly. The utility model has simple and reliable structure, can simplify the processing and assembling process of the power battery cover plate and reduce the cost of the cover plate.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a power battery extremely simple cover plate assembly structure.
Background
With the rapid development of new energy industry, the amount of new energy automobiles in the market is gradually increased, and the demand for automobile power batteries is also increased. The power battery is a storage battery for providing power for the new energy electric automobile, and the safety and reliability of the power battery determine the performance and the endurance of the electric automobile. In general, a power cell is mainly composed of a cover plate, a housing, an electric core and an electrolyte. The battery cell and the electrolyte are placed in the shell, and the cover plate and the shell are hermetically encapsulated. The tightness of the cover plate is particularly critical, and plays a decisive role in the safety and reliability of the power battery. The key of the cover plate sealing is that the electrode and the cover plate are connected in a bolt connection, riveting, welding, encapsulation and other modes are mainly adopted for sealing the electrode and the cover plate at present. Although the sealing mode can ensure good sealing performance, the sealing mode has more or less problems such as complex structure, complex processing and assembling process, high processing cost of the cover plate component and the like.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a very simple power battery cover plate assembly structure, so that the cover plate assembly structure is simplified, the assembly process is optimized, and the production cost is reduced.
The technical scheme adopted by the utility model is as follows: the cover plate assembly structure of the extremely simple power battery comprises a cover plate, a polar column, a sealing gasket and an insulating plate, wherein the cover plate is provided with a flanging, a notch, a first conical hole, a first through hole and a first countersunk hole; the pole is provided with an encapsulation, a first conical column and a bottom plate; the sealing gasket is provided with a second conical column and a second conical hole; the insulating plate is provided with reinforcing ribs, second countersunk holes and second through holes; the cover plate, the pole, the sealing gasket and the insulating plate are mutually nested and assembled together through the first conical hole, the first through hole, the second conical hole and the second through hole, the top of the cover plate is melted down to cover the flanging and the notch through heating encapsulation, and meanwhile the flanging and the notch are extruded to enable the first through hole to be closed inwards to form final assembly.
Preferably, the first conical hole is tightly matched with the rubber coating and the first conical column to form a first seal.
Preferably, the sealing gasket is pressed in the first countersunk hole by the bottom plate to form a second seal, the second conical column is tightly matched with the first conical hole to form a third seal, and the second conical hole is tightly matched with the first conical column to form a fourth seal.
Preferably, the flange is not contacted with the pole after being extruded and closed.
Preferably, the pole and the rubber coating are independent components, and the rubber coating is heated and melted to fill the notch and cover the upper surface of the cover plate when assembled with the cover plate, so that the functions of preventing the rubber coating from loosening and sealing the cover plate are achieved.
Preferably, the bottom plate compresses the insulating plate on the bottom of the cover plate through the second counter bore.
Preferably, the second countersink is formed by enclosing part of the reinforcing ribs, and the appearance structure of the second countersink can be one of triangle, quadrangle, five deformation and other deformation.
Preferably, the post may be either a positive post or a negative post, depending on whether the encapsulation is a conductive or insulating material.
Preferably, the insulating plate is made of an insulating material.
The beneficial effects are that: the utility model provides a cover plate assembly structure of a very simple power battery, which has the following advantages:
1) The cover plate and the electrode are tightly matched and sealed in a conical hole and shaft assembly mode, and meanwhile, a sealing gasket with a conical surface structure is introduced to enhance the sealing effect;
2) The electrode adopts an independent encapsulation process, so that the assembly process flow is greatly simplified. In addition, the flange and the notch on the cover plate are filled by the encapsulation of the top of the melting pole, so that the effect of fastening the cover plate assembly is achieved. Therefore, the whole cover plate assembly does not relate to the traditional processes of laser welding, riveting and the like in the assembly process, and the production cost is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a power cell cover assembly structure;
FIG. 2 is a schematic cross-sectional structure of a cover plate;
FIG. 3 is a schematic top view of the cover plate;
FIG. 4 is a schematic structural view of a pole;
FIG. 5 is a schematic cross-sectional view of a gasket;
FIG. 6 is a schematic top view of an insulating plate;
FIG. 7 is a schematic cross-sectional structure of an insulating plate;
in the figure: cover plate 1, pole 2, sealing gasket 3, insulating plate 4, turn-ups 11, notch 12, first conical hole 13, first through hole 14, first counter bore 15, encapsulation 21, first conical column 22, bottom plate 23, second conical column 31, second conical hole 32, strengthening rib 41, second counter bore 42, second through hole 43.
Description of the embodiments
The preferred embodiments of the present utility model will be described with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
As shown in fig. 1-7, a cover plate assembly structure of a simple power battery comprises a cover plate 1, a pole column 2, a sealing gasket 3 and an insulating plate 4, wherein the cover plate 1 is provided with a flanging 11, a notch 12, a first conical hole 13, a first through hole 14 and a first countersink 15; the pole 2 is provided with an encapsulation 21, a first conical column 22 and a bottom plate 23; the sealing gasket 3 is provided with a second conical column 31 and a second conical hole 32; the insulating plate 4 is provided with a reinforcing rib 41, a second countersunk hole 42 and a second through hole 43; the cover plate 1, the pole 2, the sealing gasket 3 and the insulating plate 4 are mutually nested and assembled together through the first conical hole 13, the first through hole 14, the second conical hole 32 and the second through hole 43, the top of the cover plate is melted down to cover the flange 11 and the notch 12 through the heating encapsulation 21, and meanwhile, the flange 11 and the notch 12 are extruded to enable the first through hole 14 to be closed inwards to form final assembly.
The first conical hole 13 is tightly matched with the rubber coating 21 and the first conical column 22 to form a first seal.
The gasket 3 is pressed in the first counter bore 15 by the bottom plate 23 to form a second seal, the second conical column 31 is tightly matched with the first conical bore 13 to form a third seal, and the second conical bore 32 is tightly matched with the first conical column 22 to form a fourth seal.
The flange 11 is extruded and closed, and is not contacted with the pole 2, and the distance is controlled between 0.8 and 1.5mm
The pole 2 and the rubber coating 21 are independent components, and the rubber coating 21 needs to be heated and melted to fill the notch 12 and cover the upper surface of the cover plate 1 when being assembled with the cover plate 1, so that the functions of preventing the rubber coating from loosening and sealing the cover plate are achieved.
The bottom plate 23 presses the insulating plate 4 to the bottom of the cover plate 1 through the second counter bore 42.
The second counterbore 42 is surrounded by a portion of the reinforcing ribs 41, and the second counterbore 42 has a square appearance.
The pole 2 is a positive pole, and the encapsulation 21 is conductive PPS.
The insulating plate 4 is made of insulating PP material.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (9)
1. A extremely simple power battery apron subassembly structure, its characterized in that: the novel solar cell comprises a cover plate (1), a pole column (2), a sealing gasket (3) and an insulating plate (4), wherein the cover plate (1) is provided with a flanging (11), a notch (12), a first conical hole (13), a first through hole (14) and a first countersunk hole (15); the pole (2) is provided with an encapsulation (21), a first conical column (22) and a bottom plate (23); the sealing gasket (3) is provided with a second conical column (31) and a second conical hole (32); the insulating plate (4) is provided with a reinforcing rib (41), a second countersunk hole (42) and a second through hole (43); the cover plate (1), the pole (2), the sealing gasket (3) and the insulating plate (4) are mutually nested and assembled together through the first conical hole (13), the first through hole (14), the second conical hole (32) and the second through hole (43), the top of the cover plate is melted down to cover the flanging (11) and the notch (12) through the heating encapsulation (21), and meanwhile the flanging (11) and the notch (12) are extruded to enable the first through hole (14) to be closed inwards to form final assembly.
2. The extremely simple power battery cover plate assembly structure according to claim 1, wherein: the first conical hole (13) is tightly matched with the rubber coating (21) and the first conical column (22) to form a first seal.
3. The extremely simple power battery cover plate assembly structure according to claim 1, wherein: the sealing gasket (3) is pressed in the first countersunk hole (15) by the bottom plate (23) to form a second seal, the second conical column (31) is tightly matched with the first conical hole (13) to form a third seal, and the second conical hole (32) is tightly matched with the first conical column (22) to form a fourth seal.
4. The extremely simple power battery cover plate assembly structure according to claim 1, wherein: the flange (11) is not contacted with the pole post (2) after being extruded and closed.
5. The extremely simple power battery cover plate assembly structure according to claim 1, wherein: the pole (2) and the rubber coating (21) are independent components, and the rubber coating (21) needs to be heated and melted to fill the notch (12) and cover the upper surface of the cover plate (1) when being assembled with the cover plate (1), so that the functions of preventing the rubber coating from loosening and sealing the cover plate are achieved.
6. The extremely simple power battery cover plate assembly structure according to claim 1, wherein: the bottom plate (23) compresses the insulating plate (4) at the bottom of the cover plate (1) through the second countersunk holes (42).
7. The extremely simple power battery cover plate assembly structure according to claim 1, wherein: the second countersink (42) is formed by enclosing part of the reinforcing ribs (41), and the appearance structure of the second countersink (42) can be one of triangle, quadrangle and pentagon polygon.
8. The extremely simple power battery cover plate assembly structure according to claim 1, wherein: the post (2) can be either positive or negative, depending on whether the encapsulation (21) is a conductive or insulating material; the conductive material is positive electrode, and the insulating material is negative electrode.
9. The extremely simple power battery cover plate assembly structure according to claim 1, wherein: the insulating plate (4) is made of an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157458.5U CN220510130U (en) | 2023-08-11 | 2023-08-11 | Extremely simple power battery cover plate assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157458.5U CN220510130U (en) | 2023-08-11 | 2023-08-11 | Extremely simple power battery cover plate assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510130U true CN220510130U (en) | 2024-02-20 |
Family
ID=89872897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322157458.5U Active CN220510130U (en) | 2023-08-11 | 2023-08-11 | Extremely simple power battery cover plate assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510130U (en) |
-
2023
- 2023-08-11 CN CN202322157458.5U patent/CN220510130U/en active Active
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