CN219534693U - Battery cover plate with good sealing performance - Google Patents

Abstract

The utility model discloses a battery cover plate with good sealing performance, which comprises a cover plate, wherein an anode component and a cathode component are arranged on the cover plate, the anode component and the cathode component have the same structure, the anode component comprises a pole column arranged on the cover plate, a sealing ring and a sealing sheet are arranged on the periphery of the pole column, and a holding ring is arranged between the sealing sheet and the cover plate. The utility model has simple structure and better sealing effect compared with the common battery cover plate.

Description

Battery cover plate with good sealing performance

Technical Field

The utility model relates to the technical field of battery structure accessories, in particular to a battery cover plate with good sealing performance.

Background

Currently, the energy crisis has become a full-ball important concern, and the new energy automobile has shown advantages in various aspects and rises up to the whole automobile industry, and as for the battery serving as a core power source of the battery, the performance of the battery is directly affected by the quality of the cover plate;

the existing battery cover plate is generally provided with a sealing ring for sealing, only one sealing part is arranged, and the leakage of the inside of the battery cannot be effectively prevented, so that the service life of the battery can be reduced, the safety of the battery is reduced, and even the environment pollution is caused.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a battery cover plate with good sealing performance, which has a simple structure and better sealing effect compared with the common battery cover plate.

In order to solve the technical problems, the utility model provides a battery cover plate with good sealing performance, which comprises a cover plate, wherein the cover plate is provided with an anode component and a cathode component, the anode component and the cathode component have the same structure, the anode component comprises a pole column arranged on the cover plate, the periphery of the pole column is provided with a sealing ring and a sealing sheet, and a clamping ring is arranged between the sealing sheet and the cover plate.

Further, the holding ring on the positive electrode component is made of PEI conductive material.

Further, the holding ring on the negative electrode component is made of PE I insulating materials.

Further, a groove is formed in the contact position of the cover plate and the pole, a clamping plate is arranged on the groove, the pole is fixed in the groove, and the clamping plate is used for clamping the pole.

Further, the pole is an interference fit with the stainless steel sheet.

Further, the sealing piece is made of stainless steel.

Further, the holding ring is of a step-shaped structure, one end of the holding ring is fixed on the outer side surface of the cover plate, and the other end of the holding ring is arranged between the cover plate and the sealing piece.

Further, the sealing piece is of a step-shaped structure, one end of the sealing piece is fixed on the holding ring, and the other end of the sealing piece is fixed between the sealing ring and the pole.

Further, a backing plate is arranged on one side, away from the pole, of the cover plate.

The utility model has the beneficial effects that: the sealing effect of the cover plate is further enhanced by utilizing the matching of the sealing ring and the sealing piece, and meanwhile, the structure of the cover plate is enhanced by utilizing the holding ring, so that the whole use effect is good, and the applicability is strong.

Drawings

Fig. 1 is a cross-sectional view of a positive electrode assembly of the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model.

The reference numerals in the figures illustrate: 1. a cover plate; 2. a pole; 3. a seal ring; 4. a sealing sheet; 5. a holding ring; 6. a groove; 7. a clamping plate; 8. a backing plate.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 2, an embodiment of a battery cover plate 1 with good tightness of the present utility model includes a cover plate 1, a positive electrode assembly and a negative electrode assembly are disposed on the cover plate 1, the positive electrode assembly and the negative electrode assembly have the same structure, the positive electrode assembly includes a pole post 2 disposed on the cover plate 1, a sealing ring 3 and a sealing sheet 4 are disposed on a peripheral side of the pole post 2, and a clamping ring 5 is disposed between the sealing sheet 4 and the cover plate 1.

The holding ring 5 on the positive electrode component is made of PE I conductive material, the holding ring 5 on the negative electrode component is made of PE I insulating material, and the sealing piece 4 is made of stainless steel. And the holding ring 5 is of a step structure, one end of the holding ring is fixed on the outer side surface of the cover plate 1, the other end of the holding ring is arranged between the cover plate 1 and the sealing piece 4, the sealing piece 4 is of a step structure, one end of the holding ring is fixed on the holding ring 5, and the other end of the holding ring is fixed between the sealing ring 3 and the pole 2, so that the sealing performance of the cover plate 1 can be improved.

The side of the cover plate 1 remote from the pole 2 is provided with a backing plate 8.

The pole 2 with the stainless steel sheet is interference fit, apron 1 with the position of pole 2 contact is provided with recess 6, be provided with screens board 7 on the recess 6, pole 2 is fixed in the recess 6, screens board 7 is used for screens pole 2, increases overall structure's stability.

The production mode is as follows: the conductive PET material for the positive electrode is provided with a stainless steel sheet, the insulating PET material for the negative electrode is provided with a stainless steel sheet, and the aluminum material on the pole 2 is extruded into the stainless steel sheet to realize sealing through the riveting pole 2, so that the positive electrode has the advantages that: the anode and cathode columns 2 can be produced in a stamping mode, and meanwhile, the cover plate 1 is simpler to stamp.

The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.

Claims (9)

1. The utility model provides a battery apron that leakproofness is good, its characterized in that, includes the apron, be provided with anodal subassembly and negative pole subassembly on the apron, anodal subassembly and negative pole subassembly structure are the same, anodal subassembly is including setting up the utmost point post on the apron, utmost point post week side is provided with sealing washer and sealing washer, the sealing washer with be provided with the clamp ring between the apron.

2. The battery cover plate with good sealing performance as claimed in claim 1, wherein the holding ring on the positive electrode component is made of PEI conductive material.

3. The battery cover plate with good sealing performance as claimed in claim 1, wherein the holding ring on the negative electrode assembly is made of PEI insulating material.

4. The battery cover plate with good sealing performance according to claim 1, wherein a groove is arranged at a position where the cover plate contacts with the pole, a clamping plate is arranged on the groove, the pole is fixed in the groove, and the clamping plate is used for clamping the pole.

5. The sealed battery cover of claim 1, wherein the post is an interference fit with the sealing plate.

6. The battery cover plate with good sealing performance as claimed in claim 1, wherein the sealing sheet is made of stainless steel.

7. The battery cover plate with good sealing performance according to claim 1, wherein the holding ring is of a step-shaped structure, one end of the holding ring is fixed on the outer side surface of the cover plate, and the other end of the holding ring is arranged between the cover plate and the sealing piece.

8. The battery cover plate with good sealing performance as claimed in claim 1, wherein the sealing sheet has a stepped structure, one end of the sealing sheet is fixed on the clasping ring, and the other end of the sealing sheet is fixed between the sealing ring and the pole.

9. The sealed battery cover plate of claim 1, wherein a backing plate is provided on a side of the cover plate remote from the post.