CN220106702U - Integrated high-strength cylindrical battery - Google Patents
Integrated high-strength cylindrical battery Download PDFInfo
- Publication number
- CN220106702U CN220106702U CN202321678347.2U CN202321678347U CN220106702U CN 220106702 U CN220106702 U CN 220106702U CN 202321678347 U CN202321678347 U CN 202321678347U CN 220106702 U CN220106702 U CN 220106702U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- cylindrical battery
- apron
- plastic ring
- electrode cover
- 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.)
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Links
- 239000004033 plastic Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011344 liquid material 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)
Abstract
The utility model discloses an integrated high-strength cylindrical battery, which relates to the technical field of cylindrical battery structures, wherein an anode cover plate is welded at an opening of a cylindrical shell, a central hole is formed in the middle of the anode cover plate, a cathode cover plate is arranged right below the anode cover plate, a sealing nail and an explosion-proof piece are arranged on the cathode cover plate, a plurality of blind holes I which are arranged at intervals are formed in the bottom surface of the anode cover plate along the circumferential direction of the anode cover plate, a plurality of blind holes II which are arranged at intervals are formed in the top surface of the cathode cover plate along the circumferential direction of the anode cover plate, and an insulating plastic ring is formed between the anode cover plate and the cathode cover plate in an injection molding mode. The beneficial effects of the utility model are as follows: compact structure, improvement positive pole apron and negative pole apron joint strength, long service life.
Description
Technical Field
The utility model relates to the technical field of cylindrical battery structures, in particular to an integrated high-strength cylindrical battery.
Background
Cylindrical batteries are typically included in the new energy power section to power the power section and thereby drive the power section. The structure of the cylindrical battery used by a certain new energy power part is shown in fig. 1-2, the cylindrical battery comprises a cylindrical shell 1, an anode cover plate 2 and a cathode cover plate 3, the bottom of the cylindrical shell 1 is closed, an opening is formed in the top of the cylindrical shell 1, the anode cover plate 2 is welded at the opening of the cylindrical shell 1, a central hole 4 is formed in the middle of the anode cover plate 2, the cathode cover plate 3 is arranged under the anode cover plate 2, the cathode cover plate 3 is adhered to the bottom surface of the anode cover plate 2 through adhesive, and sealing nails 5 and explosion-proof pieces 6 are arranged on the cathode cover plate 3.
Although the negative electrode cover plate 3 can be adhered to the positive electrode cover plate 2 through the adhesive, the cylindrical battery always works in a vibration environment, so that the negative electrode cover plate 3 is easy to fall off from the positive electrode cover plate 2, and the cylindrical battery has the technical defect of low connection strength between the positive electrode cover plate 2 and the negative electrode cover plate 3, and meanwhile, the service life of the cylindrical battery is greatly shortened. Therefore, there is a need for a cylindrical battery with improved connection strength between the positive electrode cap plate and the negative electrode cap plate and a long service life.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an integrated high-strength cylindrical battery which has a compact structure, improves the connection strength of a positive electrode cover plate and a negative electrode cover plate and has long service life.
The aim of the utility model is achieved by the following technical scheme: the utility model provides an integral type high strength cylindrical battery, it includes cylindricality casing, anodal apron and negative pole apron, and the opening has been seted up at the bottom of cylindricality casing, and anodal apron welding is in the opening part of cylindricality casing, and the centre bore has been seted up at the middle part of anodal apron, and the negative pole apron sets up under the anodal apron, is provided with sealed nail and explosion proof piece on the negative pole apron, a plurality of blind holes I that set up along its circumferencial direction on the basal surface of anodal apron have been seted up along its circumferencial direction, a plurality of blind holes II that set up along its circumferencial direction on the basal surface of negative pole apron, injection moulding has insulating plastic rubber ring between anodal apron and the negative pole apron, the embedding has with insulating plastic rubber ring integrated into one piece's convex closure I in every blind hole I, has with insulating plastic rubber ring integrated into one piece's convex closure II in every blind hole II.
And the explosion-proof piece and the negative electrode cover plate are integrally formed.
The explosion-proof piece is welded on the negative electrode cover plate.
And a lug is welded on the bottom surface of the negative electrode cover plate.
And the negative electrode cover plate is provided with a liquid injection hole, and the sealing nail is arranged in the liquid injection hole.
The outer edge of the insulating plastic ring is integrally formed with an annular plastic ring, and the annular plastic ring and the cylindrical shell are integrally molded.
The utility model has the following advantages: compact structure, improvement positive pole apron and negative pole apron joint strength, long service life.
Drawings
FIG. 1 is a schematic view of a cylindrical battery used in a new energy power section;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic structural view of a positive cover plate;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is a schematic view of the structure of an insulating plastic ring;
FIG. 9 is a bottom view of FIG. 8;
fig. 10 is a schematic structural view of a negative electrode cap plate;
in the figure, a 1-cylindrical shell, a 2-positive electrode cover plate, a 3-negative electrode cover plate, a 4-central hole, a 5-sealing nail, a 6-explosion-proof piece, a 7-blind hole I, an 8-blind hole II, a 9-insulating plastic ring, a 10-convex hull I, a 11-convex hull II and a 12-annular plastic ring.
Detailed Description
The utility model is further described below with reference to the accompanying drawings, the scope of the utility model not being limited to the following:
as shown in fig. 3-10, an integrated high-strength cylindrical battery comprises a cylindrical shell 1, a positive electrode cover plate 2 and a negative electrode cover plate 3, wherein the bottom of the cylindrical shell 1 is closed, an opening is formed in the top of the cylindrical shell 1, the positive electrode cover plate 2 is welded at the opening of the cylindrical shell 1, a central hole 4 is formed in the middle of the positive electrode cover plate 2, the negative electrode cover plate 3 is arranged right below the positive electrode cover plate 2, a sealing nail 5 and an explosion-proof piece 6 are arranged on the negative electrode cover plate 3, a plurality of blind holes I7 which are arranged at intervals are formed in the circumferential direction of the bottom surface of the positive electrode cover plate 2, a plurality of blind holes II8 which are arranged at intervals are formed in the circumferential direction of the top surface of the negative electrode cover plate 3, an insulating plastic ring 9 is formed between the positive electrode cover plate 2 and the negative electrode cover plate 3 in an injection molding mode, a convex packet I10 which is integrally formed with the insulating plastic ring 9 is embedded in each blind hole I7, and a convex packet II11 which is integrally formed with the insulating plastic ring 9 is embedded in each blind hole II 8; an annular plastic ring 12 is integrally formed on the outer edge of the insulating plastic ring 9, and the annular plastic ring 12 and the cylindrical shell 1 are integrally molded.
The explosion-proof piece 6 and the negative electrode cover plate 3 are integrally formed, and the explosion-proof piece 6 is welded on the negative electrode cover plate 3. The bottom surface of the negative electrode cover plate 3 is welded with a lug, the negative electrode cover plate 3 is provided with a liquid injection hole, and the sealing nail 5 is arranged in the liquid injection hole.
Before the high-strength cylindrical battery is used, the sealing nail 5 is opened, a certain amount of liquid material is injected into the cylindrical shell 1 through the liquid injection hole on the negative electrode cover plate 3, and then the sealing nail 5 is installed in the liquid injection hole again, so that the high-strength cylindrical battery can be used.
Because insulating plastic rubber ring 9 inlays to mould between anodal apron 2 and negative pole apron 3, and anodal apron 2 and negative pole apron 3 are the metalwork, consequently insulating plastic rubber ring 9 can be firm with anodal apron 2 and negative pole apron 3 fixed in an organic wholely, consequently this high strength cylindrical battery compare in the cylindrical battery as shown in fig. 1, avoided negative pole apron 3 to drop from anodal apron 2, has the characteristics that joint strength is high.
In addition, a part of the material of the insulating plastic ring 9 is embedded in the blind hole I7 of the positive electrode cover plate 2 to form a convex hull I10, so that the connection strength of the insulating plastic ring 9 and the positive electrode cover plate 2 is improved, the insulating plastic ring 9 is prevented from falling off from the positive electrode cover plate 2, the negative electrode cover plate 3 is prevented from falling off from the positive electrode cover plate 2, meanwhile, a part of the material of the insulating plastic ring 9 is embedded in the blind hole II8 of the negative electrode cover plate 3 to form a convex hull II11, the connection strength of the insulating plastic ring 9 and the negative electrode cover plate 3 is improved, and the negative electrode cover plate 3 is prevented from falling off from the insulating plastic ring 9, so that compared with the cylindrical battery shown in fig. 1, the high-strength cylindrical battery is prevented from falling off from the positive electrode cover plate 2, and has the characteristic of high connection strength.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides an integral type high strength cylindrical battery, it includes cylindricality casing (1), anodal apron (2) and negative pole apron (3), the bottom of cylindricality casing (1) is sealed, the opening has been seted up at the top of cylindricality casing (1), anodal apron (2) welding is in the opening part of cylindricality casing (1), centre bore (4) have been seted up at the middle part of anodal apron (2), negative pole apron (3) set up under anodal apron (2), be provided with on negative pole apron (3) sealing nail (5) and explosion-proof piece (6), its characterized in that: the novel battery is characterized in that a plurality of blind holes I (7) are formed in the bottom surface of the positive cover plate (2) along the circumferential direction of the blind holes I (7), a plurality of blind holes II (8) are formed in the top surface of the negative cover plate (3) along the circumferential direction of the blind holes II (8), an insulating plastic ring (9) is formed between the positive cover plate (2) and the negative cover plate (3) in an injection molding mode, convex hulls I (10) integrally formed with the insulating plastic ring (9) are embedded in each blind hole I (7), and convex hulls II (11) integrally formed with the insulating plastic ring (9) are embedded in each blind hole II (8).
2. The integrated high strength cylindrical battery according to claim 1, wherein: the explosion-proof piece (6) and the negative electrode cover plate (3) are integrally formed.
3. The integrated high strength cylindrical battery according to claim 1, wherein: the explosion-proof piece (6) is welded on the negative electrode cover plate (3).
4. The integrated high strength cylindrical battery according to claim 1, wherein: and a lug is welded on the bottom surface of the negative electrode cover plate (3).
5. The integrated high strength cylindrical battery according to claim 1, wherein: the negative electrode cover plate (3) is provided with a liquid injection hole, and the sealing nail (5) is arranged in the liquid injection hole.
6. The integrated high strength cylindrical battery according to claim 1, wherein: the outer edge of the insulating plastic ring (9) is integrally formed with an annular plastic ring (12), and the annular plastic ring (12) and the cylindrical shell (1) are integrally molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321678347.2U CN220106702U (en) | 2023-06-29 | 2023-06-29 | Integrated high-strength cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321678347.2U CN220106702U (en) | 2023-06-29 | 2023-06-29 | Integrated high-strength cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106702U true CN220106702U (en) | 2023-11-28 |
Family
ID=88845810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321678347.2U Active CN220106702U (en) | 2023-06-29 | 2023-06-29 | Integrated high-strength cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106702U (en) |
-
2023
- 2023-06-29 CN CN202321678347.2U patent/CN220106702U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |