CN220368022U

CN220368022U - Tab bracket, battery core and battery

Info

Publication number: CN220368022U
Application number: CN202322018874.7U
Authority: CN
Inventors: 李彦辉; 张亚儒; 李小珂
Original assignee: Shanghai Lanjun New Energy Technology Co Ltd
Current assignee: Shanghai Lanjun New Energy Technology Co Ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-01-19
Anticipated expiration: 2033-07-28

Abstract

The utility model relates to the technical field of batteries, in particular to a tab support, which comprises a battery core body, wherein the battery core body is provided with a first surface, a tab of the battery core body is positioned at the first surface, the tab support comprises a support body, the support body is provided with a diaphragm supporting surface, the diaphragm supporting surface contacts with the first surface, the diaphragm supporting surface is provided with a middle depression, a through hole is formed in the diaphragm supporting surface, the middle of the support body is provided with a containing cavity, the containing cavity is communicated with the through hole, and the containing cavity is used for containing the tab. The electrode lug penetrates through the through hole and is contained in the containing cavity, the electrode lug can be prevented from contacting the battery shell in the assembling process, the electrode lug support is made of an insulating material, contact short circuit between the battery core electrode lug and the battery shell can be prevented, and therefore the quality of the battery is guaranteed. The utility model also provides a battery cell, which comprises a battery cell body and the tab support, wherein the tab support is arranged at the first surface of the battery cell body. The utility model also provides a battery, which comprises a shell and the battery cell, wherein the battery cell is arranged in the shell.

Description

Tab bracket, battery core and battery

Technical Field

The utility model relates to the technical field of batteries, in particular to a tab bracket, an electric core and a battery.

Background

In the manufacturing process of the battery, the assembly of the battery cell is an important process, and after the assembly of the battery cell is completed, the risk of short circuit exists between the battery cell tab and the shell. And the position of the battery cell tab is not fixed, and the top end diaphragm at the tab position is easily crushed by the battery cell tab in the process of carrying the battery cell, so that the quality problem of the battery cell is caused.

Therefore, a tab holder, a battery cell, and a battery are needed to solve the above problems.

Disclosure of Invention

One object of the present utility model is to: the utility model provides a utmost point ear support can prevent to take place the short circuit between electric core utmost point ear and the casing, and can prevent the top diaphragm of electric core utmost point ear damage utmost point ear position, guarantees the quality of electric core.

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

the utility model provides a utmost point ear support, electric core body have first face, the utmost point ear of electric core body is located first face department, utmost point ear support includes the support body, the support body has the diaphragm holding surface, the diaphragm holding surface contact first face, the diaphragm holding surface has the middle part sunken, the through-hole has been seted up on the diaphragm holding surface, the middle part of support body has the chamber of holding, hold the chamber with the through-hole intercommunication, hold the chamber and be used for holding utmost point ear, utmost point ear support is insulating material.

As a preferable scheme of the tab support, the tab support comprises two support monomers, and the two support monomers are spliced to form the support body.

As a preferred scheme of the tab support, the tab support further comprises a connecting piece, the connecting piece is connected to one support monomer, a connecting hole is formed in the other support monomer, and the connecting piece is clamped at the connecting hole.

As a preferred embodiment of the tab support, the connecting piece has a connecting projection, which is arranged along the radial projection of the connecting piece.

As a preferable scheme of the tab support, the support monomer is provided with a containing cavity, the containing cavity is communicated with the connecting hole, and the connecting protrusion is positioned in the containing cavity.

As a preferable scheme of the tab support, the support body is provided with two side wall surfaces which are oppositely arranged, the two side wall surfaces enclose the accommodating cavity, and the two side wall surfaces are provided with reinforcing ribs.

As a preferable scheme of the lug support, the side wall surface is provided with a lightening hole.

As a preferable scheme of the lug support, the middle recess is arranged on the diaphragm support surface in a penetrating manner along the width direction of the lug.

Another object of the utility model is: the battery cell can prevent short circuit from occurring between the battery cell tab and the shell, and can prevent the battery cell tab from damaging the top end diaphragm, so that the quality of the battery cell is ensured.

the utility model provides a battery cell, including electric core body and foretell utmost point ear support, utmost point ear support sets up electric core body's first face department.

A further object of the utility model is: the battery can prevent short circuit from occurring between the battery cell tab and the shell, and can prevent the battery cell tab from damaging the top end diaphragm of the tab position, so that the quality of the battery is ensured.

a battery is provided, which comprises a shell and the battery cell, wherein the battery cell is arranged in the shell.

The utility model has the beneficial effects that:

the utility model provides a tab support, which comprises a support body, wherein the support body is provided with a diaphragm supporting surface, the diaphragm supporting surface is contacted with the first surface to protect a diaphragm on the first surface and prevent the battery tab from accidentally contacting and damaging the diaphragm on the first surface. The diaphragm support surface has a central depression to better cushion the diaphragm on the first surface. The through hole has been seted up on the diaphragm holding surface, and the middle part of support body has and holds the chamber, holds chamber and through-hole intercommunication, holds the chamber and is used for holding the utmost point ear. The electrode lug penetrates through the through hole and is contained in the containing cavity, the electrode lug can be prevented from contacting the battery shell in the assembling process, the electrode lug support is made of an insulating material, contact short circuit between the battery core electrode lug and the battery shell can be prevented, and therefore the quality of the battery is guaranteed.

The utility model also provides a battery cell, which comprises a battery cell body and the tab support, wherein the tab support is arranged at the first surface of the battery cell body. The utility model also provides a battery, which comprises a shell and the battery cell, wherein the battery cell is arranged in the shell. The battery cell and the battery can prevent short circuit from occurring between the battery cell tab and the shell, and can prevent the battery cell tab from damaging the top end diaphragm, thereby ensuring the quality of the battery cell or the battery.

Drawings

Fig. 1 is a schematic structural diagram of a battery cell body and a tab support provided by an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a stent unit according to an embodiment of the present utility model.

In the figure:

1. a tab support; 11. a bracket body; 111. a diaphragm support surface; 112. a sidewall surface; 1121. reinforcing ribs; 11201. a lightening hole; 1101. a receiving chamber; 1102. a connection hole; 1103. a receiving chamber; 12. a connecting piece; 121. a connection protrusion;

2. a cell body; 21. and a tab.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1-2, the present embodiment provides a tab holder 1. The battery cell body 2 has first face, and the utmost point ear 21 of battery cell body 2 is located first face department, and the utmost point ear support 1 of this embodiment sets up in the first face department that battery cell body 2 was provided with utmost point ear 21, and utmost point ear support 1 includes support body 11, and support body 11 has diaphragm holding surface 111, and diaphragm holding surface 111 contacts first face to protect the diaphragm on the first face, prevent that battery cell utmost point ear 21 from accidentally touching and damaging the diaphragm on the first face. The diaphragm support surface 111 has a central depression to better cushion the diaphragm on the first surface. The diaphragm supporting surface 111 is provided with a through hole, the middle part of the bracket body 11 is provided with a containing cavity 1101, the containing cavity 1101 is communicated with the through hole, and the containing cavity 1101 is used for containing the lug 21. That is, the tab 21 passes through the through hole and is accommodated in the accommodating cavity 1101, so that the tab 21 can be prevented from contacting the battery housing during the assembly process, and the tab bracket 1 is made of an insulating material, so that the contact short circuit between the battery core tab 21 and the battery housing can be prevented, and the quality of the battery can be ensured.

Preferably, the tab support 1 comprises two support monomers, and the two support monomers are spliced to form the support body 11.

Preferably, the tab bracket 1 further includes a connecting member 12, the connecting member 12 is connected to one bracket unit, and the other bracket unit is provided with a connecting hole 1102, and the connecting member 12 is clamped at the connecting hole 1102. Preferably, the connection member 12 has connection protrusions 121, and the connection protrusions 121 are provided along the radial protrusions of the connection member 12. Optionally, the connecting piece 12 includes a plurality of connecting monomers, and the plurality of connecting monomers are evenly arranged along the circumferential interval to form the connecting piece 12, each connecting monomer is provided with a connecting protrusion 121 protruding outwards along the radial direction, and the diameter of an circumcircle of the plurality of connecting protrusions 121 is larger than the diameter of the connecting hole 1102, so as to ensure that the connecting piece 12 is firmly clamped in the connecting hole 1102.

Preferably, one bracket unit is provided with a connection member 12 at one end and a connection hole 1102 at the other end to correspond to the connection hole 1102 at one end and the connection member 12 at the other end of the other bracket unit, respectively. To ensure that both bracket units are provided with connectors 12 at both ends to ensure firm connection.

Preferably, the stand-alone body comprises a connecting part, the connecting part is provided with a containing cavity 1103, the connecting part is provided with a connecting hole 1102, the containing cavity 1103 is communicated with the connecting hole 1102, and the connecting protrusion 121 is positioned in the containing cavity 1103 so as to prevent the connecting protrusion 121 from damaging other components in the battery.

Preferably, the bracket body 11 has two opposite side wall surfaces 112, the two side wall surfaces 112 enclose the accommodating cavity 1101, and the two side wall surfaces 112 have reinforcing ribs 1121 thereon to ensure structural strength of the side wall surfaces 112. In this embodiment, two side wall surfaces 112 and the connecting portions at the two ends together enclose a receiving chamber 1101, and a through hole is formed at the bottom of the receiving chamber 1101, and the top is open.

Preferably, the height of the side wall surface 112 is equal to or greater than the height of the tab 21, so as to ensure the accommodating effect of the accommodating cavity 1101 on the tab 21.

Preferably, the side wall surface 112 is provided with a weight-reducing hole 11201 to reduce the overall weight of the tab support 1. Optionally, the diaphragm supporting surface 111 is also provided with a weight-reducing opening, which is beneficial to heat dissipation at the first surface of the cell body 2 while reducing weight.

Preferably, the middle recess is penetratingly opened on the diaphragm support surface 111 in the width direction of the tab 21. In this embodiment, the membrane supporting surface 111 is a surface with a concave middle part formed by butting two inclined surfaces, and each support monomer is provided with an inclined surface, and the two inclined surfaces are oppositely arranged to form the membrane supporting surface 111 by butting, so as to provide a certain accommodating space for the membrane and be beneficial to buffer protection.

The embodiment also provides a battery cell, which comprises a battery cell body 2 and the tab support 1, wherein the tab support 1 is arranged at the first surface of the battery cell body 2.

The embodiment also provides a battery, which comprises a shell and the battery cell, wherein the battery cell is arranged in the shell. The battery cell and the battery can prevent short circuit between the battery cell tab 21 and the shell, and the battery cell tab 21 can be prevented from damaging the diaphragm of the first surface, namely the top diaphragm of the tab position, so that the quality of the battery cell or the battery is ensured.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a utmost point ear support, its characterized in that, electric core body (2) have first face, utmost point ear (21) of electric core body (2) are located first face department, utmost point ear support (1) are including support body (11), support body (11) have diaphragm holding surface (111), diaphragm holding surface (111) contact first face, diaphragm holding surface (111) have the middle part sunken, the through-hole has been seted up on diaphragm holding surface (111), the middle part of support body (11) has holds chamber (1101), hold chamber (1101) with the through-hole intercommunication, hold chamber (1101) are used for holding utmost point ear (21), utmost point ear support (1) are insulating material.

2. The tab holder according to claim 1, wherein the tab holder (1) comprises two holder units, the two holder units being spliced to form the holder body (11).

3. The tab support according to claim 2, wherein the tab support (1) further comprises a connecting piece (12), the connecting piece (12) is connected to one support unit, a connecting hole (1102) is formed in the other support unit, and the connecting piece (12) is clamped at the connecting hole (1102).

4. A tab support according to claim 3, wherein the connection piece (12) has a connection protrusion (121), the connection protrusion (121) being arranged along a radial protrusion of the connection piece (12).

5. The tab holder according to claim 4, wherein the holder unit has a receiving cavity (1103), the receiving cavity (1103) communicates with the connection hole (1102), and the connection protrusion (121) is located in the receiving cavity (1103).

6. The tab support according to any one of claims 1-5, wherein the support body (11) has two opposite side wall surfaces (112), the two side wall surfaces (112) enclose the accommodating cavity (1101), and the two side wall surfaces (112) each have a reinforcing rib (1121).

7. The tab holder according to claim 6, wherein the side wall surface (112) is provided with a lightening hole (11201).

8. The tab support according to any one of claims 1-5, wherein the central recess is provided through the diaphragm support surface (111) in the width direction of the tab (21).

9. Cell, characterized in that it comprises a cell body (2) and a tab support according to any one of claims 1-8, said tab support (1) being arranged at a first face of said cell body (2).

10. A battery comprising a housing and the cell of claim 9, the cell disposed within the housing.