CN219553839U - Electrode leading-out assembly for battery and battery - Google Patents
Electrode leading-out assembly for battery and battery Download PDFInfo
- Publication number
- CN219553839U CN219553839U CN202320562531.4U CN202320562531U CN219553839U CN 219553839 U CN219553839 U CN 219553839U CN 202320562531 U CN202320562531 U CN 202320562531U CN 219553839 U CN219553839 U CN 219553839U
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- connecting piece
- plane
- battery
- top cover
- out assembly
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- 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
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- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides an electrode leading-out assembly for a battery and the battery, and relates to the technical field of batteries, wherein the electrode leading-out assembly comprises: a top cover sheet provided with a mounting hole; the pole is arranged in the mounting hole, and the side wall of the pole is provided with at least one first plane; the connecting piece, the connecting piece is annular, and annular connecting piece cup joints on the utmost point post, and the inside wall of connecting piece is equipped with at least one second plane, and first plane and second plane laminating each other, connecting piece card is on the top cap piece. Because the connecting piece card is on the top cover plate to, first plane and second plane rotate spacingly each other, and then, have prevented that the utmost point post from being located the mounting hole and torsion, and guaranteed that the installation of utmost point post is accurate, compare in welded connection's mode, improved the qualification rate of product, reduced large-scale laser welder's equipment input, improved the competitiveness of product.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to an electrode lead-out assembly for a battery and the battery.
Background
The battery is power source or storage medium such as new energy automobile, energy storage power station, new energy application, and at present, electrode extraction assembly that traditional battery was used is mostly laser welding structure, welds on utmost point post and apron body, avoids the torsion of utmost point post, but produces welding defect and produces corresponding impurity through welded connection's mode easily, and laser welding also is difficult to detect, causes unqualified product easily, causes the waste.
Disclosure of Invention
The utility model aims to provide an electrode lead-out assembly for a battery and the battery aiming at the defects of the prior art, so as to solve the problems that the electrode post and the cover plate body which are proposed in the prior art are easy to generate welding defects and corresponding impurities in a welding connection mode, are not easy to detect in laser welding, are easy to cause unqualified products and cause waste.
In order to achieve the above object, the present utility model provides an electrode lead-out assembly for a battery, comprising:
a top cover sheet provided with a mounting hole;
the pole is arranged in the mounting hole, and the side wall of the pole is provided with at least one first plane;
the connecting piece, the connecting piece is annular, annular the connecting piece cup joints on the utmost point post, the inside wall of connecting piece is equipped with at least one second plane, first plane with the mutual laminating of second plane, the connecting piece card is in on the top cover piece.
Preferably, the inner edge wall of the mounting hole extends to a direction close to the connecting piece, at least one first limiting groove is formed in the protruding edge, at least one limiting block is arranged at the bottom of the connecting piece, and the limiting block is embedded in the first limiting groove.
Preferably, the first plane is concavely formed with an inner groove toward the inner side of the pole, the second plane is convexly formed with an outer boss toward the inner side of the connecting piece, and the outer boss is embedded in the inner groove.
Preferably, an outer sleeve is arranged on the bottom outer edge wall of the connecting piece in an extending mode in the direction of the top cover plate, and the outer sleeve is sleeved on the outer side wall of the protruding edge.
Preferably, an inner sleeve is arranged in the bottom of the connecting piece along the wall extending towards the top cover plate, and the inner sleeve is sleeved on the inner side wall of the mounting hole.
Preferably, the top of the connecting piece is provided with at least one second limiting groove, and the top of the pole extends into the second limiting groove to form a protrusion.
Preferably, the bottom of the pole extends outwards to form an annular flanging, and the flanging is crimped on the bottom surface of the top cover plate.
Preferably, the electrode lead-out assembly for the battery further comprises a sealing ring, wherein the sealing ring is sleeved on the pole post and is in compression joint between the flanging and the top cover sheet.
Preferably, the electrode lead-out assembly for the battery further comprises an insulating sheet, wherein the insulating sheet is attached to the bottom surface of the top cover sheet, a connecting hole is formed in the insulating sheet, and the connecting hole is communicated with the mounting hole.
A battery, comprising:
the electrode leading-out assembly for the battery;
the shell is provided with an opening, and the top cover sheet is connected with the opening;
an electrode assembly disposed within the case.
The utility model provides an electrode leading-out assembly for a battery and the battery, which have the beneficial effects that: the lateral wall of the utmost point post of this assembly is equipped with at least one first plane, and the inside wall of annular connecting piece is equipped with at least one second plane, and first plane and second plane laminating each other because, the connecting piece card is on the top cover piece to, first plane and second plane rotate spacingly each other, and then, have prevented that the utmost point post from being located the mounting hole and twist reverse, and guaranteed the installation accuracy of utmost point post, compare in welded connection's mode, improved the qualification rate of product, reduced large-scale laser welder's equipment input, improved the competitiveness of product.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
FIG. 1 illustrates an exploded view of an electrode lead-out assembly for a battery according to one embodiment of the present utility model;
FIG. 2 is a schematic perspective view showing an electrode lead-out assembly for a battery according to an embodiment of the present utility model;
FIG. 3 shows a schematic view of a partially cut-away structure of an electrode lead-out assembly for a battery according to one embodiment of the utility model;
FIG. 4 is a schematic perspective view showing a top cover sheet of an electrode lead-out assembly for a battery according to an embodiment of the present utility model;
fig. 5 is a perspective view showing a connector of an electrode lead-out assembly for a battery according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a top cover sheet; 2. a mounting hole; 3. a pole; 4. a first plane; 5. a connecting piece; 6. a second plane; 7. a convex edge; 8. a first limit groove; 9. a limiting block; 10. an outer sleeve; 11. an inner sleeve; 12. the second limit groove; 13. a protrusion; 14. flanging; 15. a seal ring; 16. an insulating sheet; 17. a connection hole; 18. explosion-proof holes; 19. an explosion-proof valve assembly; 20. a notch; 21. a liquid injection hole; 22. a positive electrode post; 23. and a negative electrode composite pole.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1-3, the present utility model provides an electrode lead-out assembly for a battery, the assembly comprising:
a top cover sheet 1, wherein the top cover sheet 1 is provided with a mounting hole 2;
the pole 3, the pole 3 is set up in the mounting hole 2, the sidewall of the pole 3 has at least one first level 4;
the connecting piece 5, connecting piece 5 are annular, and annular connecting piece 5 cup joints on utmost point post 3, and the inside wall of connecting piece 5 is equipped with at least one second plane 6, and first plane 4 and second plane 6 laminating each other, connecting piece 5 card is on top cap piece 1.
Specifically, in order to solve the problems that welding defects are easy to generate and corresponding impurities are generated in the existing pole and cover plate body in a welding connection mode, unqualified products are difficult to detect due to laser welding, and waste is caused easily, the utility model provides an electrode lead-out assembly for a battery, a connecting piece 5 of the assembly is a plastic piece PPS and is used for insulating a top cover plate 1 and a pole 3, the top cover plate 1 is formed by processing materials such as aluminum, stainless steel and the like, at least one first plane 4 is arranged on the side wall of the pole 3 of the assembly, at least one second plane 6 is arranged on the inner side wall of an annular connecting piece 5, the first plane 4 and the second plane 6 are mutually attached, and as the connecting piece 5 is clamped on the top cover plate 1, the first plane 4 and the second plane 6 are mutually rotated and limited, the pole 3 is further prevented from being positioned in a mounting hole 2 to twist, the mounting accuracy of the pole 3 is ensured, the problems of welding defects, welding scraps introduction and the like caused by welding are avoided compared with the welding connection mode, the qualification rate of products is improved, the input of large-scale welding machines is reduced, and the competitive power of products is improved.
As shown in fig. 1, 4 and 5, preferably, the inner edge wall of the mounting hole 2 extends to a direction approaching to the connecting piece, the convex edge 7 is provided with at least one first limit groove 8, the bottom of the connecting piece 5 is provided with at least one limit block 9, and the limit block 9 is embedded in the first limit groove 8.
Specifically, when stopper 9 imbeds in first spacing groove 8, can restrict connecting piece 5 and be located the rotation on the top cover piece 1, and then, when first plane 4 and the mutual rotation of second plane 6 are spacing, can restrict the utmost point post 3 and be located the mounting hole 2 and twist reverse.
Preferably, the first plane 4 is concavely formed with an inner groove toward the inner side of the pole 3, and the second plane 6 is convexly formed with an outer boss toward the inner side of the connecting member 4, and the outer boss is embedded in the inner groove.
Specifically, the inner groove and the outer boss can be wedge-shaped, when the boss is embedded into the inner groove, the installation accuracy of the pole 3 can be ensured, the center line of the pole 3 is overlapped with the center line of the installation hole 2, and the pole 3 can be further limited to be positioned in the installation hole 2 for torsion.
As shown in fig. 3 and 5, preferably, an outer sleeve 10 extends from the bottom outer edge wall of the connecting piece 5 to the direction of the top cover sheet 1, and the outer sleeve 10 is sleeved on the outer side wall of the convex edge 7;
an inner sleeve 11 is arranged in the bottom of the connecting piece 5 along the wall extending towards the top cover sheet 1, and the inner sleeve 11 is sleeved on the inner side wall of the mounting hole 2.
Specifically, when the outer sleeve 10 is sleeved on the outer side wall of the protruding edge 7 and the inner sleeve 11 is sleeved on the inner side wall of the mounting hole 2, the positioning effect on the connecting piece 5 can be achieved, and the connecting piece 5 is prevented from moving outwards.
Preferably, the top of the connecting piece 5 is provided with at least one second limit groove 12, and the top of the pole 3 extends into the second limit groove 12 to form a bulge 13;
the bottom of the pole 3 is extended outwards to form an annular flanging 14, and the flanging 14 is pressed on the bottom surface of the top cover sheet 1.
Specifically, the top of the pole 3 is pressed out of the protrusion 13 through a press riveting process, and when the protrusion 13 is pressed into the second limiting groove 12, the pole 3 can be limited to be led out of the mounting hole 2 by matching with the flanging 14.
Preferably, the electrode lead-out assembly for the battery further comprises a sealing ring 15, wherein the sealing ring 15 is sleeved on the pole post 3 and is pressed between the flanging 14 and the top cover sheet 1.
Specifically, because sealing washer 15 crimping is between turn-ups 14 and top cap piece 1, and then, sealing washer 15 can play sealed effect to mounting hole 2, avoids the battery to take place gas leakage and weeping phenomenon.
Preferably, the electrode lead-out assembly for the battery further comprises an insulating sheet 16, the insulating sheet 16 is attached to the bottom surface of the top cover sheet 1, a connecting hole 17 is formed in the insulating sheet 16, and the connecting hole 17 is communicated with the mounting hole 2.
Specifically, the connection hole 16 is used to dispose the pole 3 in the mounting hole 2.
Preferably, the top cover sheet 1 is provided with a blast hole 18, the blast hole 18 is internally provided with a blast valve assembly 19, at least one notch 20 is extended from a position, close to the blast hole 18, on the insulating sheet 16 to a direction away from the top cover sheet 1, and at least one through hole is arranged at the bottom of the notch 20.
Specifically, when the gas pressure in the battery is too high, the explosion-proof sheet of the explosion-proof valve assembly 19 can be broken, so that the gas in the battery is released, and explosion of the battery is avoided.
Preferably, the top cover sheet 1 and the insulating sheet 16 are provided with liquid injection holes 21 at the same position.
Specifically, the electrolyte injection hole 21 is used to inject an electrolyte into the battery.
Preferably, the number of the mounting holes 2, the pole posts 3, the connecting piece 5 and the sealing ring 15 is two, the pole posts 3 are respectively a positive pole post 22 and a negative pole composite pole post 23, and the two mounting holes 2 are respectively used for arranging the positive pole post 22 and the negative pole composite pole post 23.
Specifically, the positive electrode post 22 is a metal aluminum piece, and the negative electrode composite electrode post 23 is a metal aluminum copper composite piece.
A battery, comprising:
an electrode lead-out assembly for a battery;
the shell is provided with an opening, and the top cover sheet 1 is connected with the opening;
and an electrode assembly disposed within the case.
Preferably, the electrode assembly includes a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte, all disposed within the case, the separator being disposed between the positive electrode sheet and the negative electrode sheet.
In summary, when the electrode lead-out assembly for the battery is implemented on the battery, the pole 3 sequentially passes through the connecting hole 17 of the insulating common flange 16, the sealing ring 15 and the mounting hole 2 of the top cover plate 1 to be in mounting fit with the connecting hole 5, when the limiting block 9 is embedded into the first limiting groove 8, the boss is embedded into the inner groove, the boss 13 is pressed into the second limiting groove 12 and the flanging 14 is pressed on the bottom surface of the top cover plate 1, the pole 3 can be fixed in the mounting hole 2 of the top cover plate 1, the pole 3 is effectively prevented from being twisted and moving up and down in the mounting hole 2, the phenomena of air leakage and liquid leakage are avoided, compared with the welding connection mode, the problems of poor welding, welding scraps introduction and the like caused by welding are avoided, the qualification rate of products is improved, the equipment investment of a large-scale laser welder is reduced, and the competitiveness of the products is improved.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (9)
1. An electrode lead-out assembly for a battery, the assembly comprising:
a top cover sheet provided with a mounting hole;
the pole is arranged in the mounting hole, and the side wall of the pole is provided with at least one first plane;
the connecting piece is annular, the annular connecting piece is sleeved on the pole, at least one second plane is arranged on the inner side wall of the connecting piece, the first plane and the second plane are mutually attached, and the connecting piece is clamped on the top cover plate;
the insulating piece is attached to the bottom surface of the top cover piece, a connecting hole is formed in the insulating piece, and the connecting hole is communicated with the mounting hole.
2. The electrode lead-out assembly for a battery according to claim 1, wherein the inner edge wall of the mounting hole extends to a direction approaching the connecting piece, at least one first limit groove is formed in the protruding edge, at least one limit block is arranged at the bottom of the connecting piece, and the limit block is embedded in the first limit groove.
3. The electrode lead-out assembly for a battery according to claim 1, wherein the first plane is concavely formed with an inner groove in an inner direction of the post, the second plane is convexly formed with an outer protrusion in an inner direction of the connecting member, and the outer protrusion is embedded in the inner groove.
4. The electrode lead-out assembly for a battery according to claim 2, wherein an outer sleeve is extended from a bottom outer edge wall of the connecting member in a direction toward the top cover sheet, and the outer sleeve is sleeved on an outer side wall of the flange.
5. The electrode lead-out assembly for a battery according to claim 2, wherein an inner sleeve is extended in the bottom of the connecting member in the direction from the wall toward the top cover sheet, and the inner sleeve is sleeved on the inner side wall of the mounting hole.
6. The battery electrode lead-out assembly according to claim 1, wherein the top of the connecting piece is provided with at least one second limiting groove, and the top of the pole extends into the second limiting groove.
7. The electrode lead-out assembly for a battery according to claim 1, wherein the bottom of the post is outwardly extended with an annular flange which is crimped to the bottom surface of the top cover sheet.
8. The battery electrode lead-out assembly of claim 7, further comprising a seal ring, wherein the seal ring is sleeved on the post and crimped between the flange and the top cover sheet.
9. A battery, comprising:
an electrode lead-out assembly for a battery according to any one of claims 1 to 8;
the shell is provided with an opening, and the top cover sheet is connected with the opening;
an electrode assembly disposed within the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320562531.4U CN219553839U (en) | 2023-03-21 | 2023-03-21 | Electrode leading-out assembly for battery and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320562531.4U CN219553839U (en) | 2023-03-21 | 2023-03-21 | Electrode leading-out assembly for battery and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219553839U true CN219553839U (en) | 2023-08-18 |
Family
ID=87704972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320562531.4U Active CN219553839U (en) | 2023-03-21 | 2023-03-21 | Electrode leading-out assembly for battery and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219553839U (en) |
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2023
- 2023-03-21 CN CN202320562531.4U patent/CN219553839U/en active Active
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