CN219553845U - Plastic part of lithium battery top cover - Google Patents
Plastic part of lithium battery top cover Download PDFInfo
- Publication number
- CN219553845U CN219553845U CN202223572971.2U CN202223572971U CN219553845U CN 219553845 U CN219553845 U CN 219553845U CN 202223572971 U CN202223572971 U CN 202223572971U CN 219553845 U CN219553845 U CN 219553845U
- Authority
- CN
- China
- Prior art keywords
- plastic
- groove
- top cover
- lithium battery
- plastic part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a plastic part of a lithium battery top cover. Belongs to the technical field of lithium ion batteries. The plastic part mainly solves the problems that the assembly efficiency of the battery is affected due to the fact that the existing plastic parts are assembled by split multi-buckle buckling, and the yield is low due to the fact that the multi-buckle buckling is achieved. The main characteristics of the device are as follows: comprises lower plastic; the lower plastic is provided with an anode groove and a cathode groove; and the positive electrode groove and the negative electrode groove are respectively provided with a stop frame for opening or closing the corresponding upper groove. The utility model has the characteristics of reducing buckling points, improving assembly efficiency and improving buckling yield when the battery cell is assembled, and is mainly used for the top cover of the lithium ion battery.
Description
Technical Field
The utility model belongs to the technical field of lithium ion batteries, and particularly relates to a plastic part of a top cover of a lithium ion battery, which is mainly used for the top cover of the lithium ion battery.
Background
With the rapid development of economy, green traveling advocated by China, the lithium battery is taken as a competitive product in the new energy industry, and the safety performance of the lithium battery is particularly important. The plastic parts of the lithium battery top cover bear important insulation protection effects, and most of the existing plastic parts are assembled by split multi-buckle buckling, so that the battery assembly efficiency is affected, and the yield is low due to multi-buckle buckling.
Disclosure of Invention
The utility model aims at the defects and provides the lithium battery top cover plastic part which reduces buckling points, improves the assembly efficiency and improves the buckling yield when the battery cell is assembled.
The technical scheme of the utility model is as follows: the utility model provides a lithium cell top cap plastic spare, includes plastic, its characterized in that: the lower plastic is provided with an anode groove and a cathode groove; the positive electrode groove is provided with a stop frame for opening or closing the positive electrode groove, and the negative electrode groove is provided with a stop frame for opening or closing the negative electrode groove.
The stop rack comprises a cover plate matched with the corresponding groove; one end of the cover plate is rotatably connected to the lower plastic body.
A buckling mechanism is arranged between the other end of the cover plate and the lower plastic in the technical scheme of the utility model.
The cover plate in the technical scheme of the utility model is composed of a first block, a second block and a bridging between the first block and the second block; the first block is fixed on the lower plastic.
The bridging in the technical solution of the utility model is composed of bolt holes arranged on the first block and the second block and bolts passing through the bolt holes.
The buckling mechanism in the technical scheme of the utility model consists of a buckling hole arranged on the lower plastic body and a buckle arranged on the second partition.
The lower plastic between the positive electrode groove and the negative electrode groove is provided with the vent holes, so that gas generated in the battery can directly act on the explosion-proof valve.
The positive electrode groove is provided with a positive electrode lug through hole; and a negative electrode lug through hole is formed in the negative electrode groove.
The lower plastic and the stop rack in the technical proposal of the utility model are plastic parts made of PP materials.
The utility model has the advantages that:
1. according to the lithium battery top cover plastic part, the stop rack and the lower plastic are in an integrated state when materials are supplied, and compared with a split type plastic part in a battery assembly process, the production efficiency can be improved;
2. according to the lithium battery top cover plastic part, when the battery assembly is completed, the stop frame and the lower plastic are closed and connected through buckling the two buckling pins, so that the number of the buckling pins is reduced, and the production yield is improved.
Drawings
Fig. 1 is a schematic view of the open state of the present utility model.
Fig. 2 is a schematic view of the present utility model in a closed state.
Fig. 3 is an enlarged partial schematic view of the present utility model.
In the figure: 1-lower plastic; 11-a snap hole; 12-a pin hole; 2-a stop rack; 21-first partitioning; 22-second partitioning; 23-bridging; 24-plug pins; 25-snap.
Description of the embodiments
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
As shown in fig. 1 to 3, an embodiment of a plastic member for a lithium battery top cover of the present utility model is composed of a lower plastic 1 and a stopper frame 2.
Wherein, plastic 1 is equipped with positive pole recess and negative pole recess down, is equipped with positive pole ear through-hole on the positive pole recess, is equipped with negative pole ear through-hole on the negative pole recess. The positive electrode groove and the negative electrode groove are rectangular grooves. The vent holes are formed in the lower plastic 1 between the positive electrode groove and the negative electrode groove, so that gas generated in the battery can directly act on the explosion-proof valve, and holes formed by an injection molding process are formed in the lower plastic 1 outside the positive electrode groove and the negative electrode groove and are mainly used for demolding. The lower plastic 1 is a plastic part made of PP material. The side and bottom surface of the lower plastic 1 are the same as the side and bottom surface of the main body part of the existing lithium battery top cover.
The positive electrode groove and the negative electrode groove are respectively provided with a stop frame 2 for opening or closing an opening on the groove. The stopper frame 2 is composed of a first block 21, a second block 22, a bridge 23 between the first block 21 and the second block 22, and an engagement mechanism. The bridge 23 is formed by a latch hole 12 formed on the adjacent side of the first and second blocks 21, 22 and a latch 24 passing through the latch hole 12, the latch 24 being connected to the latch hole 12, the first block 21 being rotatable 90 degrees around the bridge 23. The first block 21 is fixed on the lower plastic 1, and the first block 21 and the second block 22 form a cover plate for closing the upper opening of the groove. The buckling mechanism consists of a buckling hole 11 arranged on the lower plastic 1 and a buckling 25 arranged on the second sub-block 22, and the buckling 25 is buckled and connected with the buckling hole 11. The stop frame 2 is a plastic part made of PP material. The first segment 21 and the second segment 22 can rotate as shown in fig. 1 and 2 by means of the bridge 23.
The stop frame 2 and the lower plastic 1 are connected together through the bolt 24 and the bolt hole 12 as shown in fig. 1, which is the incoming material state of the battery before assembly, the stop frame 2 and the lower plastic 1 are in an integrated structure, and compared with the split plastic part for the battery assembly process, the production efficiency can be improved. When the battery is assembled, the welding of the lug and the top cover pole of the battery is completed in a space clamped by the stop frame 2 and the lower plastic 1, the stop frame 2 is in a state of fig. 1 when the lug is welded, the first block 21 rotates 90 degrees around the bridge 23, the first block 21 is pressed when the welding is completed, so that the buckle 25 on the first block 21 is connected with the buckle hole 11, the whole operation process is completed, the stop frame 2 and the lower plastic 1 are in a closed connection through two buckling pins of the buckling, the quantity of the buckling pins is reduced, and the production yield is improved.
Claims (9)
1. The utility model provides a lithium cell top cap plastic spare, includes plastic (1), its characterized in that: the lower plastic (1) is provided with an anode groove and a cathode groove; the positive electrode groove is provided with a stop frame (2) for opening or closing the positive electrode groove, and the negative electrode groove is provided with a stop frame (2) for opening or closing the negative electrode groove.
2. The plastic part for a lithium battery top cover according to claim 1, wherein: the stop frame (2) comprises a cover plate matched with the corresponding groove; one end of the cover plate is rotatably connected to the lower plastic (1).
3. The plastic part for a top cover of a lithium battery according to claim 2, wherein: a buckling mechanism is arranged between the other end of the cover plate and the lower plastic (1).
4. A lithium battery top cap plastic part according to claim 3, wherein: the cover plate consists of a first partition block (21), a second partition block (22) and a bridging (23) between the first partition block and the second partition block; the first block (21) is fixed on the lower plastic (1).
5. The plastic part for a lithium battery top cover according to claim 4, wherein: the bypass (23) is composed of bolt holes (12) arranged on the first block (21) and the second block (22) and bolts (24) penetrating through the bolt holes (12).
6. The plastic part for a lithium battery top cover according to claim 5, wherein: the buckling mechanism consists of a buckling hole (11) arranged on the lower plastic (1) and a buckle (25) arranged on the second sub-block (22).
7. The plastic part for a top cover of a lithium battery according to any one of claims 1 to 6, wherein: and ventilation holes are formed in the lower plastic (1) between the positive electrode groove and the negative electrode groove.
8. The plastic part for a lithium battery top cover according to claim 7, wherein: the positive electrode groove is provided with a positive electrode lug through hole; and a negative electrode lug through hole is formed in the negative electrode groove.
9. The plastic part for a top cover of a lithium battery according to any one of claims 1-6 and 8, wherein: the lower plastic (1) and the stop rack (2) are plastic parts made of PP materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223572971.2U CN219553845U (en) | 2022-12-31 | 2022-12-31 | Plastic part of lithium battery top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223572971.2U CN219553845U (en) | 2022-12-31 | 2022-12-31 | Plastic part of lithium battery top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219553845U true CN219553845U (en) | 2023-08-18 |
Family
ID=87733336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223572971.2U Active CN219553845U (en) | 2022-12-31 | 2022-12-31 | Plastic part of lithium battery top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219553845U (en) |
-
2022
- 2022-12-31 CN CN202223572971.2U patent/CN219553845U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |