CN216850237U

CN216850237U - Prevent utmost point ear of contact short circuit

Info

Publication number: CN216850237U
Application number: CN202220024732.4U
Authority: CN
Inventors: 方莉萍
Original assignee: Shenzhen Xizhuo Electronics Co ltd
Current assignee: Shenzhen Xizhuo Electronics Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-06-28
Anticipated expiration: 2032-01-06

Abstract

The utility model provides a pole ear for preventing contact short circuit, which comprises a pole ear piece and an insulating block arranged on the pole ear piece; the outer side of the outer connecting end of the pole lug piece is covered with a protective cover with an insulation effect, the bottom of the protective cover is connected with the insulation block through a plurality of first glue point connecting bridges, and the first glue point connecting bridges are uniformly distributed at intervals along the connecting position of the protective cover and the insulation block; a testing opening is formed in one side wall of the protective cover, and the pole lug piece is exposed through the testing opening and used for carrying out electric connection detection; the novel structure can shield and protect the external connection end of the tab, effectively prevent the contact between the positive and negative tabs and avoid the contact short circuit.

Description

Prevent utmost point ear of contact short circuit

Technical Field

The utility model relates to a utmost point ear field, more specifically relates to a prevent utmost point ear of contact short circuit.

Background

The battery tab is a metal conductor which leads out the positive electrode and the negative electrode from the battery core, so that the tab is one of essential parts in the production of the battery, and the following problems exist when the tab is installed in the production of the battery in the existing market;

when the pole lug center distance of the battery is more than 10mm, the phenomenon of short circuit caused by the contact of the positive pole lug and the negative pole lug due to the fact that the pole lug is distorted or bent can be effectively avoided, but the problem that the pole lug is distorted or bent in the transportation process can occur due to the fact that the pole lug center distance is smaller in the battery with the pole lug center distance below 10mm, and the short circuit caused by the contact of the positive pole lug and the negative pole lug can occur, so that the service life of the battery is influenced, and even the danger of short circuit combustion can occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a prevent utmost point ear of contact short circuit is proposed, its novel structure can shelter from the protection to the external end of utmost point ear, effectively prevents to take place the contact between positive and negative pole ear, avoids appearing the problem of contact short circuit.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a contact short circuit prevention tab, which comprises a tab piece and an insulating block arranged on the tab piece; the outer side of the outer connecting end of the pole lug piece is covered with a protective cover with an insulation effect, the bottom of the protective cover is connected with the insulation block through a plurality of first glue point connecting bridges, and the first glue point connecting bridges are uniformly distributed at intervals along the connecting position of the protective cover and the insulation block; a testing opening is formed in one side wall of the protective cover, and the pole lug piece is exposed through the testing opening and used for conducting power connection detection.

In the preferred technical scheme of the utility model, the protective cover comprises a frame body with an open bottom and one side, and the external end of the lug plate is arranged in the frame body; the bottom profile shape of framework and the shape adaptation of insulating block, the bottom surface of framework and the top surface of insulating block are connected through a plurality of first gluey some bridge connections.

In the preferred technical scheme of the utility model, the top of the side wall open mouth of the frame body is provided with a cover plate, the top and two sides of the cover plate are both provided with a plurality of second glue point connecting bridges, and the cover plate is connected with the inner wall of the frame body through the second glue point connecting bridges; the vertical length of the cover plate is smaller than that of the frame body, and the test opening is formed between the bottom of the cover plate and the insulating block.

The utility model discloses among the technical scheme of preferred, leave the interval between the inner wall of cover plate and the utmost point ear piece.

The utility model discloses among the technical scheme of preferred, protection casing and collets be the integrated into one piece structure, carry out tangent line processing with the position that corresponds, form first gluey some bridge and second gluey some bridge.

The utility model discloses among the technical scheme of preferred, the fixed lug that is equipped with of both sides wall of utmost point ear piece, the insulating block cladding is in the outside of lug.

The utility model discloses among the technical scheme of preferred, be equipped with a plurality of through-holes that extend along utmost point ear piece width direction on the lug.

The utility model has the advantages that:

the utility model provides a prevent utmost point ear of contact short circuit, its novel structure, the protection casing of taking the insulating effect is covered to the outside cover of the outer end of utmost point auricle, can shelter from the protection to the outer end of utmost point auricle, effectively prevents to take place the contact between positive and negative pole ear, avoids appearing the problem of contact short circuit; moreover, the bottom end of the protective cover is connected with the insulating block through the first glue point connecting bridge, so that the protective cover can be conveniently detached subsequently, and the operation is convenient; and, be equipped with the test opening on the protection casing, can be under the condition of not dismantling the protection casing for carry out the electric detection of connecting of battery.

Drawings

Fig. 1 is a front view of a contact short resistant tab provided in an embodiment of the present invention;

fig. 2 is a side view of a contact short resistant tab provided in an embodiment of the present invention;

fig. 3 is a schematic side view of an anti-short tab according to an embodiment of the present invention.

In the figure:

100. a polar tab; 110. a bump; 200. an insulating block; 300. a protective cover; 310. a frame body; 320. a cover sheet; 410. a first glue dot bridge; 420. a second glue dot bridge; 500. a test opening;

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 3, in an embodiment of the present invention, a tab for preventing contact short circuit is disclosed, including a tab piece 100, and an insulating block 200 disposed on the tab piece 100; the outer side of the outer connection end of the pole tab piece 100 is covered with a protective cover 300 with an insulation effect, the bottom of the protective cover 300 is connected with the insulation block 100 through a plurality of first glue point connecting bridges 410, and the first glue point connecting bridges 410 are uniformly distributed at intervals along the connection part of the protective cover 300 and the insulation block 200; a testing opening 500 is formed on one side wall of the protective cover 300, and the tab piece 100 is exposed through the testing opening 500 for electrical detection.

The contact short circuit prevention tab is novel in structure, the outer side of the outer connecting end of the tab piece is covered with the protective cover with an insulation effect, the outer connecting end of the tab piece can be shielded and protected, contact between the positive tab and the negative tab is effectively prevented, and the problem of contact short circuit is avoided; moreover, the bottom end of the protective cover is connected with the insulating block through the first glue point connecting bridge, so that the protective cover can be conveniently detached subsequently, and the operation is convenient; the protective cover is provided with a test opening, so that the protective cover can be used for carrying out power connection detection on the battery under the condition that the protective cover is not detached; the test opening is located on the side away from the center of the cell when actually mounted on the cell.

Further, the protective cover 300 includes a frame 310 with an open bottom and one side, and the external end of the tab piece 100 is disposed in the frame 310; the bottom contour shape of the frame body 310 is matched with the shape of the insulating block 200, and the bottom surface of the frame body 310 is connected with the top surface of the insulating block 200 through a plurality of first glue point connecting bridges 410; this structural design, the accessible framework carries out the sheltering from of enclosed type to utmost point auricle, effectively reduces the exposing of utmost point auricle.

Furthermore, a cover plate 320 is arranged at the top of the open opening of the side wall of the frame body 310, a plurality of second glue point connecting bridges 420 are arranged at the top and two sides of the cover plate 320, and the cover plate 320 is connected with the inner wall of the frame body 310 through the second glue point connecting bridges 420; the vertical length of the cover 320 is less than that of the frame 310, and the test opening 500 is formed between the bottom of the cover 320 and the insulating block 200; the design of the cover plate can shield the top of the open opening of the frame body, further reduce the exposed area, and also can reserve a certain space for a test opening, thereby facilitating the subsequent power connection test; and the cover plate is connected with the inner wall of the frame body through the second glue point connecting bridge, so that the cover plate can be conveniently detached, and the subsequent frame body can be conveniently detached.

Further, a space is left between the inner wall of the cover plate 320 and the tab piece 100; space for tilting or pulling the cover plate can be reserved, and operation is convenient.

Further, the shield cap 300 and the insulating block 200 are integrally formed, and tangent processing is performed on the corresponding positions to form a first glue dot bridge 410 and a second glue dot bridge 420; the structural design can facilitate the forming and processing; it should be noted that the tangent processing is the prior art for processing the connecting bridge point structure between the bottle cap and the anti-theft ring.

Further, two side walls of the tab piece 100 are fixedly provided with a bump 110, and the insulation block 200 is coated outside the bump 110; the bump 110 is provided with a plurality of through holes extending along the width direction of the tab piece 100; this structural design can effectively strengthen being connected between utmost point auricle and the collets, makes the firm adhesion of collets on utmost point auricle, prevents to get rid of the in-process collets at the protection casing and takes off the pine and take off.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. A contact short circuit prevention tab comprises a tab piece and an insulating block arranged on the tab piece; the method is characterized in that:

the outer side of the outer connecting end of the pole lug plate is covered with a protective cover with an insulation effect, the bottom of the protective cover is connected with the insulation block through a plurality of first glue point connecting bridges, and the first glue point connecting bridges are uniformly distributed at intervals along the connecting part of the protective cover and the insulation block;

a testing opening is formed in one side wall of the protective cover, and the pole lug piece is exposed through the testing opening and used for conducting power connection detection.

2. The contact short prevention tab as set forth in claim 1, wherein:

the protective cover comprises a frame body with an open bottom and one side, and the external end of the pole lug piece is arranged in the frame body;

the bottom profile shape of framework and the shape adaptation of insulating block, the bottom surface of framework and the top surface of insulating block are connected through a plurality of first gluey some bridge connections.

3. The contact short prevention tab as set forth in claim 1, wherein:

the top of the side wall open opening of the frame body is provided with a cover plate, the top and two sides of the cover plate are respectively provided with a plurality of second glue point connecting bridges, and the cover plate is connected with the inner wall of the frame body through the second glue point connecting bridges; the vertical length of the cover plate is smaller than that of the frame body, and the test opening is formed between the bottom of the cover plate and the insulating block.

4. A contact shorting resistant tab as set forth in claim 3 wherein:

and a space is reserved between the inner wall of the cover plate and the tab piece.

5. The contact short prevention tab as set forth in claim 1, wherein:

the protective cover and the insulating block are of an integrally formed structure, and tangent processing is carried out on the protective cover and the insulating block at corresponding positions to form a first glue point connecting bridge and a second glue point connecting bridge.

6. The contact short prevention tab as set forth in claim 1, wherein:

the two side walls of the pole lug pieces are fixedly provided with convex blocks, and the insulating blocks are coated on the outer sides of the convex blocks.

7. The contact short prevention tab as set forth in claim 6, wherein:

the lug is provided with a plurality of through holes extending along the width direction of the tab piece.