CN216597768U

CN216597768U - Battery end cover assembly

Info

Publication number: CN216597768U
Application number: CN202123367833.6U
Authority: CN
Inventors: 张耀坤; 朱程显; 朱键江; 朱炜江
Original assignee: Dongguan Jinbang Technology Co ltd
Current assignee: Dongguan Jinbang Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-24
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a battery end cover assembly, which comprises a battery cover, an insulating cover, a positive cover, a conducting strip and a negative terminal, wherein the bottom end of the battery cover is provided with a lug, the lug is clamped into the insulating cover to clamp the battery cover at the top of the insulating cover, and the top of the positive cover is embedded at the bottom of the insulating cover; one end of the insulating cover is provided with a first round hole, one end of the battery cover is provided with a second round hole, one end of the positive electrode cover is fixedly connected with a positive electrode terminal, and the positive electrode terminal sequentially penetrates through the first round hole and the second round hole from bottom to top; the other end of the battery cover is provided with a mounting hole, and the head part of the conducting strip and the negative terminal are fixed on the battery cover by hollow rivets. The utility model discloses battery cover and insulating lid adopt the mode of joint, and the embedding of positive plate top is in insulating bottom of the covering, makes battery cover, insulating lid and the firm equipment of positive plate form an subassembly together, and when the battery equipment, each spare part rigidity in this subassembly is unchangeable, can not take place not hard up and mistake, makes things convenient for the equipment of battery.

Description

Battery end cover assembly

Technical Field

The utility model relates to a square battery field especially relates to a battery end cover subassembly.

Background

The existing battery end cover assembly mainly comprises a planar positive plate, an insulating plate, a battery cover, a negative terminal and a conducting plate, wherein the negative terminal and the conducting plate are arranged on the battery cover, the positive plate, the insulating plate and the battery cover are sequentially stacked from bottom to top and then are arranged in a battery shell, and then the top of the battery shell is inwards bent to fix the battery cover in the battery shell. Furthermore, the positive terminal and the battery cell in the prior art need to be electrically connected through a conductive sheet, and this structure is also easy to cause loosening or open circuit, resulting in poor conductivity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above problem that prior art exists, provide a battery end cover subassembly.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

a battery end cover assembly comprises a rectangular battery cover, a rectangular box-shaped insulating cover, a rectangular box-shaped positive cover, a broken line type conducting strip and a negative terminal, wherein a downward protruding rectangular bump is arranged at the bottom end of the battery cover, the bump is clamped into the insulating cover to enable the battery cover to be clamped at the top of the insulating cover, and the top of the positive cover is embedded at the bottom of the insulating cover; one end of the insulating cover is provided with a first round hole penetrating through the insulating cover, one end of the battery cover is provided with a second round hole penetrating through the battery cover, one end of the positive electrode cover is fixedly connected with a positive electrode terminal, and the positive electrode terminal sequentially penetrates through the first round hole and the second round hole from bottom to top; the other end of the battery cover is provided with a mounting hole penetrating through the battery cover, and the head part of the conducting strip and the negative terminal are fixed on the battery cover by hollow rivets sleeved in the mounting hole.

The negative terminal is positioned at the top end of the battery cover, and the head of the conducting strip is positioned at the bottom end of the battery cover.

Wherein, the included angle between the plane of the tail part of the conducting strip and the plane of the middle part of the conducting strip is less than 90 degrees.

The bottom end of the bump is provided with a rectangular positioning groove communicated with the second round hole and a U-shaped positioning groove communicated with the mounting hole, and the head of the conducting strip is positioned in the U-shaped positioning groove.

The bottom of the inner side of the insulating cover is provided with a U-shaped first positioning block and a U-shaped second positioning block, the first round hole is located in a region enclosed by the first positioning block, openings of the first positioning block and the second positioning block face two short sides of the insulating cover respectively, the first positioning block is clamped into the rectangular positioning groove, and the second positioning block is clamped into the U-shaped positioning groove.

And the tops of the two short edges of the insulating cover are provided with conducting strip passing grooves for the conducting strips to pass through, and the conducting strips penetrate out of the conducting strip passing grooves on one side far away from the first round hole.

The utility model has the advantages that: the battery cover and the insulating cover are clamped, the top of the positive electrode cover is embedded at the bottom of the insulating cover, so that the battery cover, the insulating cover and the positive electrode cover are firmly assembled together to form an assembly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic perspective view of a battery end cap assembly according to the present invention;

fig. 2 is a schematic perspective view of a battery end cap assembly according to the present invention at a second viewing angle;

fig. 3 is a cross-sectional view of a battery end cap assembly according to the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the combination of the battery cover, the negative terminal, the conductive sheet and the hollow rivet;

fig. 5 is a schematic structural view of the insulating cover of the present invention;

the reference numbers in the figures illustrate: 1-battery cover, 2-insulating cover, 3-positive cover, 4-conducting strip, 5-negative terminal, 6-lug, 7-first round hole, 8-second round hole, 9-positive terminal, 10-mounting hole, 11-hollow rivet, 12-rectangular positioning groove, 13-U-shaped positioning groove, 14-first positioning block, 15-second positioning block and 16-conducting strip through groove.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 5, a battery end cap assembly comprises a rectangular battery cap 1, a rectangular box-shaped insulating cap 2, a rectangular box-shaped positive electrode cap 3, a fold-line type conducting strip 4 and a negative electrode terminal 5, wherein a rectangular projection 6 protruding downwards is arranged at the bottom end of the battery cap 1, the projection 6 is clamped in the insulating cap 2 to enable the battery cap 1 to be clamped at the top of the insulating cap 2, and the top of the positive electrode cap 3 is embedded at the bottom of the insulating cap 2; one end of the insulating cover 2 is provided with a first round hole 7 penetrating through the insulating cover 2, one end of the battery cover 1 is provided with a second round hole 8 penetrating through the battery cover 1, and one end of the positive electrode cover 3 is fixedly connected with a positive electrode terminal 9.

The utility model provides a terminal lid is formed to the integrative design of adoption of positive pole lid and the innovation of positive terminal, can be as an organic whole out type or other fixed connection modes. The terminal cover replaces the original conductive structural part, so that the conductive effect is better, and the problem of poor contact or open circuit is greatly reduced.

The utility model discloses a rigid coupling or the body coupling of positive pole lid and positive terminal have simplified part quantity. The terminal cover can also be used as a gland of the anode material in the battery core, the salient points on the lower surface of the terminal cover are better contacted with the anode material, and the integral connection is tighter due to the structure of the gland, so that the leakage of the anode material is prevented. Obviously, through such operation, the step difficulty in the production and processing can be reduced, thereby improving the production efficiency and reducing the cost.

The positive terminal 9 sequentially passes through the first round hole 7 and the second round hole 8 from bottom to top; the other end of the battery cover 1 is provided with a mounting hole 10 penetrating through the battery cover 1, the head of the conducting plate 4 and the negative terminal 5 are fixed on the battery cover 1 by a hollow rivet 11 sleeved in the mounting hole 10, the negative terminal 5 is positioned at the top end of the battery cover 1, and the head of the conducting plate 4 is positioned at the bottom end of the battery cover 1.

The contained angle between the plane of afterbody place of conducting strip 4 and the plane of conducting strip 4 middle part place is less than 90 to guarantee that 4 afterbody of conducting strip and the negative plate butt of battery core bottom, guarantee that the electric current is stable to pass through between the negative plate of battery core and the conducting strip.

The bottom end of the convex block 6 is provided with a rectangular positioning groove 12 communicated with the second round hole 8 and a U-shaped positioning groove 13 communicated with the mounting hole, and the head part of the conducting plate 4 is positioned in the U-shaped positioning groove 13; the inboard bottom of insulating cover 2 is equipped with the first locating piece 14 of U type and the second locating piece 15 of U-shaped, first round hole 7 is arranged in first locating piece 14 encloses the region, the opening of first locating piece 14 and second locating piece 15 and two minor faces towards insulating cover 3 respectively, first locating piece 14 card is gone into in rectangle constant head tank 12, second locating piece 15 card is gone into in U type constant head tank 13, on the one hand further improve the fastness that battery cover and insulating cover are connected, on the other hand makes conducting strip rigidity, be difficult for the dislocation.

The conducting strip passing groove 16 is formed in the tops of the two short edges of the insulating cover 2, the conducting strip 4 penetrates out of the conducting strip passing groove 16 on the side far away from the first round hole 7, and the situation that the conducting strip 4 is directly clamped between the insulating cover 2 and the battery cover 1 to increase the gap between the battery cover 1 and the insulating cover 2 is avoided, so that the connection stability of the battery cover 1 and the insulating cover 2 is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A battery end cap assembly, comprising: the battery end cover assembly comprises a rectangular battery cover, a rectangular box-shaped insulating cover, a rectangular box-shaped positive cover, a broken-line type conducting plate and a negative terminal, wherein a rectangular protruding block protruding downwards is arranged at the bottom end of the battery cover and is clamped into the insulating cover to enable the battery cover to be clamped at the top of the insulating cover, and the top of the positive cover is embedded at the bottom of the insulating cover; one end of the insulating cover is provided with a first round hole penetrating through the insulating cover, one end of the battery cover is provided with a second round hole penetrating through the battery cover, one end of the positive electrode cover is fixedly connected with a positive electrode terminal, and the positive electrode terminal sequentially penetrates through the first round hole and the second round hole from bottom to top; the other end of the battery cover is provided with a mounting hole penetrating through the battery cover, and the head part of the conducting strip and the negative terminal are fixed on the battery cover by hollow rivets sleeved in the mounting hole.

2. The battery end cap assembly of claim 1, wherein: the negative terminal is positioned at the top end of the battery cover, and the head of the conducting plate is positioned at the bottom end of the battery cover.

3. The battery end cap assembly of claim 1, wherein: the included angle between the plane of the tail part of the conducting strip and the plane of the middle part of the conducting strip is smaller than 90 degrees.

4. The battery end cap assembly of claim 1, wherein: the bottom end of the convex block is provided with a rectangular positioning groove communicated with the second round hole and a U-shaped positioning groove communicated with the mounting hole, and the head of the conducting strip is positioned in the U-shaped positioning groove.

5. The battery end cap assembly of claim 4, wherein: the inboard bottom of insulating lid is equipped with the first locating piece of U type and the second locating piece of U-shaped, first round hole is located first locating piece and encloses and close in the region, the opening of first locating piece and second locating piece and two minor faces towards insulating lid respectively, first locating piece card is gone into in the rectangle constant head tank, second locating piece card is gone into in the U type constant head tank.

6. The battery end cap assembly of claim 1, wherein: and the tops of the two short edges of the insulating cover are provided with conducting strip passing grooves for the conducting strips to pass through, and the conducting strips penetrate out of the conducting strip passing grooves on one side far away from the first round hole.