CN220984671U - Integrally formed power battery cover plate pole column assembly - Google Patents
Integrally formed power battery cover plate pole column assembly Download PDFInfo
- Publication number
- CN220984671U CN220984671U CN202322723855.4U CN202322723855U CN220984671U CN 220984671 U CN220984671 U CN 220984671U CN 202322723855 U CN202322723855 U CN 202322723855U CN 220984671 U CN220984671 U CN 220984671U
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- CN
- China
- Prior art keywords
- pole
- integrally formed
- sealing ring
- formed power
- horizontal portion
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 238000005253 cladding Methods 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application discloses an integrally formed power battery cover plate pole assembly, which comprises a pole and a peripheral side plastic arranged on the peripheral side of the pole, wherein a sealing ring is arranged on the bottom side of the pole, a fixing ring is embedded in the bottom of the peripheral side plastic, and the fixing ring is arranged on one side, far away from the pole, of the sealing ring in a cladding mode. The sealing ring is an L-shaped sealing ring and comprises a first vertical portion and a first horizontal portion, wherein the inner side of the first vertical portion is abutted to the outer side of the bottom of the pole, the first horizontal portion is right opposite to the bottom of the pole, a substrate is connected between the first horizontal portion and the pole, or the first horizontal portion is directly attached to the bottom of the pole. According to the power battery cover plate pole column assembly, the sealing ring is fixed on the pole column through the fixing ring, the compression amount of the sealing ring can be controlled in the working process, and therefore the sealing reliability of the sealing ring on a power battery can be effectively improved, and the production efficiency is high.
Description
Technical Field
The utility model relates to the technical field of power battery equipment, in particular to an integrally formed power battery cover plate pole column assembly.
Background
The power battery cover plate is generally composed of an optical cover plate, an explosion-proof valve, a protective paste, lower plastic, a negative electrode assembly, a positive electrode assembly and a sealing ring, wherein the pole column assembly is an important component part on the power battery cover plate.
The conventional pole assembly, whether it is a positive pole assembly or a negative pole assembly, is mostly composed of a pole, a fixing ring and plastic, wherein the plastic is disposed at the peripheral side of the pole, and the sealing ring is an independent component and has no membership with the pole assembly.
The air tightness is a key control technical parameter in the power battery, the air tightness in the traditional pole assembly is mainly embodied on the control of the compression amount of the sealing ring, the air tightness is realized by pressurizing the clamping device in the assembly process, the air tightness is affected by a plurality of factors such as the precision of the clamping device, the difference of a machine table, the size of materials and the like, the consistency of the compression amount is poor, the air tightness is low in reliability, and if the air tightness fails, the power battery has potential safety hazards.
Disclosure of utility model
The utility model has the advantages that the integrally formed power battery cover plate pole column component is provided, the fixing ring is arranged on one side of the sealing ring away from the pole column in a cladding mode, the sealing ring is firmly fixed on the pole column, the sealing ring and the pole column component generate a membership relationship, the injection molding can be performed through the injection mold, the consistency is good, the compression amount of the sealing ring can be controlled in the working process, and the sealing reliability of the sealing ring on the power battery can be effectively improved.
The utility model has the advantage that the integrally formed power battery cover plate pole assembly is provided, wherein the fixing ring is provided with the connecting through hole, and the peripheral side plastic automatically penetrates through the connecting through hole in the forming process, so that the connecting strength between the plastic and the fixing ring can be greatly improved.
The utility model has the advantage that the integrally formed power battery cover plate pole assembly is provided, wherein the end part of the fixing ring is provided with the extension structure, the extension structure extends outwards in an inclined manner from the vertical part of the fixing ring, and the connection strength between the plastic and the fixing ring can be further improved.
In order to achieve at least one of the above advantages, the utility model provides an integrally formed power battery cover plate pole assembly, which comprises a pole and a peripheral side plastic arranged on the peripheral side of the pole, wherein a sealing ring is arranged on the bottom side of the pole, a fixing ring is embedded in the bottom of the peripheral side plastic, and the fixing ring is arranged on one side, far away from the pole, of the sealing ring in a cladding manner.
According to an embodiment of the utility model, the sealing ring is an L-shaped sealing ring and comprises a first vertical portion and a first horizontal portion, wherein the inner side of the first vertical portion is abutted to the outer side of the bottom of the pole, the first horizontal portion is opposite to the bottom of the pole, a substrate is connected between the first horizontal portion and the pole, or the first horizontal portion is directly attached to the bottom of the pole.
According to an embodiment of the present utility model, an outer side of a connection position between the first vertical portion and the first horizontal portion is an arc-shaped transition structure, the fixing ring is an L-shaped fixing ring, and the fixing ring is matched with the arc-shaped transition structure.
According to an embodiment of the present utility model, a portion of the fixing ring located in the peripheral plastic is provided with a connection through hole.
According to an embodiment of the present utility model, the connection through hole is a square hole, a round hole, a waist hole or a diamond hole.
According to an embodiment of the present utility model, the connection through holes are uniformly distributed or symmetrically distributed along the circumferential direction of the fixing ring.
According to an embodiment of the utility model, an extension structure is arranged at the end part of the fixing ring, which is positioned in the peripheral side plastic, the extension structure extends obliquely from the vertical part of the fixing ring to the direction away from the pole, and the connecting through hole is positioned at the vertical part and is close to the extension structure.
According to an embodiment of the present utility model, the epitaxial structure and the vertical portion are perpendicular to each other.
According to an embodiment of the present utility model, the outer side of the connection position between the epitaxial structure and the vertical portion is in a cambered surface transition.
These and other objects, features and advantages of the present utility model will become more fully apparent from the following detailed description.
Drawings
Fig. 1 shows a schematic top view of an integrally formed power cell cover plate pole assembly of the present application.
Fig. 2 shows a schematic cross-sectional view of an integrally formed power cell cover plate post assembly of the present application as a negative electrode post.
Fig. 3 shows a schematic bottom view of an integrally formed power cell cover post assembly of the present application.
Fig. 4 shows a schematic perspective view of the fixing ring in the present application.
Fig. 5 shows a schematic cross-sectional view of an integrally formed power cell cover plate post assembly of the present application as a positive post.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the disclosure of the present specification, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Referring to fig. 1 to 4, an integrally formed power battery cap post assembly according to a preferred embodiment of the present utility model will be described in detail below, wherein the integrally formed power battery cap post assembly includes a post 10 and a peripheral plastic 20 disposed on a peripheral side of the post 10, in addition, the post 10 is provided with a sealing ring 30 on a bottom side, and a fixing ring 40 is embedded in a bottom of the peripheral plastic 20, and meanwhile, the fixing ring 40 is disposed on a side of the sealing ring 30 away from the post 10 in a cladding manner, so that the fixing ring 40 can firmly fix the sealing ring 30 at the post 10, and thus the compressed amount of the sealing ring 30 can be controlled during operation, thereby improving the sealing reliability of the sealing ring 30 to a power battery.
In one embodiment, the sealing ring 30 is an L-shaped sealing ring, and includes a first vertical portion 31 and a first horizontal portion 32, where an inner side of the first vertical portion 31 abuts against an outer side of a bottom of the pole 10, and the first horizontal portion 32 faces the bottom of the pole 10, and when the sealing ring is used as a negative pole, a substrate 50 (refer to fig. 2) is connected between the first horizontal portion 32 and the pole 10, and when the sealing ring is used as a positive pole, the first horizontal portion 32 is directly attached to the bottom of the pole 10 (refer to fig. 5).
Further preferably, the outer side of the connection position between the first vertical portion 31 and the first horizontal portion 32 is an arc-shaped transition structure 33, and the fixing ring 40 is an L-shaped fixing ring, and the fixing ring 40 is matched with the arc-shaped transition structure 33, so that the fixing ring 40 fixes the sealing ring 30.
It should be noted that, the portion of the fixing ring 40 located in the peripheral side plastic 20 is provided with a connection through hole 401, so that in the process of injection molding through the mold, the peripheral side plastic 20 will penetrate and fill the connection through hole 401, so as to greatly improve the connection strength between the peripheral side plastic 20 and the fixing ring 40, ensure that the fixing ring 40 can firmly fix the sealing ring 30, and further improve the sealing reliability of the sealing ring 30.
In one embodiment, the connection through hole 401 is a square hole, a circular hole, a waist hole, or a diamond hole.
In one embodiment, the connecting holes 401 are uniformly or symmetrically distributed along the circumferential direction of the fixing ring, so that the connection strength between the circumferential plastic 20 and the fixing ring 40 is more uniform.
It is further preferred that the end of the securing ring 40 located within the peripheral side plastic 20 is provided with an extension structure 41. The extension structure 41 extends obliquely from the vertical portion of the fixing ring 40 in a direction away from the pole 10, so as to further improve the connection strength between the peripheral plastic 20 and the fixing ring 40, and in addition, the connection through hole 401 is located at the vertical portion and is close to the extension structure 41.
Further preferably, the epitaxial structure 41 is perpendicular to the vertical portion.
Further preferably, the outer side of the connection position of the extension structure 41 and the vertical portion is in a cambered surface transition.
It should be noted that the terms "first" and "second" are used for descriptive purposes only, and are not meant to indicate any order, but are not to be construed as indicating or implying any relative importance, and such terms are to be construed as names.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Claims (9)
1. The power battery cover plate pole column assembly is characterized in that the pole column is provided with a sealing ring at the bottom side, a fixing ring is embedded at the bottom of the peripheral side plastic, and the fixing ring is arranged at one side of the sealing ring away from the pole column in a cladding mode.
2. The integrally formed power cell cover post assembly of claim 1, wherein the sealing ring is an L-shaped sealing ring and comprises a first vertical portion and a first horizontal portion, wherein the inner side of the first vertical portion is abutted to the outer side of the bottom of the post, the first horizontal portion is opposite to the bottom of the post, and a substrate is connected between the first horizontal portion and the post, or the first horizontal portion is directly attached to the bottom of the post.
3. The integrally formed power cell cover post assembly of claim 2, wherein the outer side of the connection location of the first vertical portion and the first horizontal portion is an arcuate transition structure, the retaining ring is an L-shaped retaining ring, and the retaining ring is mated with the arcuate transition structure.
4. The integrally formed power cell cover post assembly of claim 3 wherein the portion of said retaining ring within said peripheral side plastic is provided with a connecting through hole.
5. The integrally formed power cell cover post assembly of claim 4 wherein said connecting through holes are square holes, circular holes, kidney-shaped holes or diamond-shaped holes.
6. The integrally formed power cell cover post assembly of claim 4 wherein said attachment through holes are uniformly or symmetrically distributed along the circumference of said retaining ring.
7. The integrally formed power cell cover post assembly of any one of claims 4 to 6 wherein the end of said retaining ring within said peripheral side plastic is provided with an extension structure extending obliquely from the vertical portion of said retaining ring in a direction away from said post, said connecting through hole being located in said vertical portion and adjacent to said extension structure.
8. The integrally formed power cell cover post assembly of claim 7 wherein said epitaxial structure is perpendicular to said vertical portion.
9. The integrally formed power battery cover post assembly of claim 8 wherein the outer side of the connection location of said extension structure to said upright portion transitions in a cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322723855.4U CN220984671U (en) | 2023-10-11 | 2023-10-11 | Integrally formed power battery cover plate pole column assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322723855.4U CN220984671U (en) | 2023-10-11 | 2023-10-11 | Integrally formed power battery cover plate pole column assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220984671U true CN220984671U (en) | 2024-05-17 |
Family
ID=91037501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322723855.4U Active CN220984671U (en) | 2023-10-11 | 2023-10-11 | Integrally formed power battery cover plate pole column assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220984671U (en) |
-
2023
- 2023-10-11 CN CN202322723855.4U patent/CN220984671U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |