CN215418439U

CN215418439U - Lithium battery tab fixing structure convenient to disassemble

Info

Publication number: CN215418439U
Application number: CN202121721584.3U
Authority: CN
Inventors: 汤鑫; 张光威
Original assignee: Shenzhen Pule New Material Co ltd
Current assignee: Shenzhen Pule New Material Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-04
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a lithium battery tab fixing structure convenient to disassemble, which comprises a lithium battery fixing frame, wherein battery placing grooves are formed in positions, close to two sides, of the upper surface of the lithium battery fixing frame, negative electrode grooves are formed in the front inner surface of each battery placing groove, positive electrode grooves are formed in the rear inner surface of each battery placing groove, positive electrode fixing frames are fixed on the inner sides of the positive electrode grooves, and negative electrode extruding sheets are fixed on the front inner surfaces of the negative electrode grooves. According to the conveniently-disassembled lithium battery tab fixing structure, the lithium battery body can be taken out by pressing the baffle in the rectangular opening on the lithium battery fixing frame without buckling from two ends of the lithium battery fixing frame, so that the lithium battery is more simple and convenient to disassemble and assemble, the positions of the negative electrode tab and the positive electrode tab on the lithium battery body can be fixed by arranging the positive electrode fixing frame and the negative electrode extrusion piece, the contact area between the positive electrode tab and the negative electrode tab is larger, poor contact is avoided, and the lithium battery cannot be used.

Description

Lithium battery tab fixing structure convenient to disassemble

Technical Field

The utility model relates to the technical field of lithium battery tab fixing structures, in particular to a lithium battery tab fixing structure convenient to disassemble.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive or negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ion batteries. The lithium ion battery does not contain lithium in a metal state and can be charged, the tab is a raw material of a lithium ion polymer battery product, the battery is divided into a positive electrode and a negative electrode, the tab is a metal conductor leading the positive electrode and the negative electrode out of the battery core, and the tab is a contact point during charging and discharging in a popular way. For example, a mobile phone battery, a bluetooth battery, a notebook battery and the like used in our lives all need to use a tab, and the contact point is not a copper sheet on the appearance of the battery, but a connection inside the battery. The tab is divided into three materials, the positive pole of the battery uses aluminum material, the negative pole uses nickel material, the negative pole also has copper nickel plating material, they are compounded by film and strap two parts, the tab fixed structure of the lithium battery is the apparatus to fix the lithium battery, the inside is contacted with positive tab or negative tab of the lithium battery; the existing lithium battery tab fixing structure has certain defects when in use, the lithium battery is inconvenient to disassemble and assemble, and the contact area of the lithium battery tab and the negative electrode tab is small, so that poor contact is easy, and the lithium battery cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a lithium battery tab fixing structure convenient to disassemble, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a lithium cell utmost point ear fixed knot constructs convenient to dismantle, includes the fixed frame of lithium cell, the battery standing groove has been seted up to the position that the fixed frame upper surface of lithium cell is close to both sides, the negative pole groove has been seted up to the inside front surface of battery standing groove, the anodal groove has been seted up to the inside rear surface of battery standing groove, the inboard in anodal groove is fixed with anodal fixed frame, the inside front surface in negative pole groove is fixed with the negative pole extrusion piece, be equipped with lithium cell body between positive fixed frame and the negative pole extrusion piece, surface embedding fixed mounting has the negative pole ear before the lithium cell body, surface embedding fixed mounting has anodal ear behind the lithium cell body.

Preferably, the rectangle opening has been seted up to the position that the fixed frame upper surface of lithium cell is located the middle part between front surface and the rear surface, the rectangle through-hole has been seted up to rectangle open-ended inside lower surface, the spout has been seted up to rectangle open-ended inboard, the position that is close to the lower extreme in the inside of spout is equipped with expanding spring, rectangle open-ended inside is equipped with the baffle, the position that is close to the upper end in baffle both sides is fixed with the slider.

Preferably, one end, far away from the baffle, of the sliding block is located inside the sliding groove, and the lower end of the baffle penetrates through the rectangular through hole.

Preferably, the inside of the positive fixed frame is fixed with a spring leaf, the inside rear surface of the positive fixed frame is fixed with a spring leaf No. two, the one end of keeping away from the positive fixed frame in the spring leaf No. two outside is fixed with anodal contact piece.

Preferably, a third spring piece is fixed on the rear surface of the negative extrusion piece, and a negative contact block is fixed at one end, far away from the negative extrusion piece, of the outer side of the third spring piece.

Preferably, the front end of the positive lug is positioned between the first spring pieces.

Compared with the prior art, the utility model has the following beneficial effects:

according to the lithium battery fixing frame, the lithium battery body can be taken out by pressing the baffle plate in the rectangular opening on the lithium battery fixing frame without buckling from two ends of the lithium battery fixing frame, so that the lithium battery can be disassembled and assembled more simply and conveniently.

Drawings

Fig. 1 is a schematic overall structure diagram of a conveniently detachable tab fixing structure of a lithium battery according to the present invention;

FIG. 2 is an exploded view of a conveniently detachable tab fixing structure of a lithium battery according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 of a conveniently detachable tab fixing structure of a lithium battery according to the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 1 of a conveniently detachable tab fixing structure of a lithium battery according to the present invention;

fig. 5 is an enlarged schematic view of a part C in fig. 2 of a conveniently detachable tab fixing structure of a lithium battery according to the present invention;

fig. 6 is an enlarged schematic view of a portion D in fig. 2 of a conveniently detachable tab fixing structure of a lithium battery according to the present invention.

In the figure: 1. a lithium battery fixing frame; 101. a rectangular opening; 102. a rectangular through hole; 103. a chute; 104. A tension spring; 105. a baffle plate; 106. a slider; 2. a battery placement groove; 3. a negative electrode groove; 4. a positive electrode groove; 5. a positive electrode fixing frame; 501. a first spring leaf; 502. a second spring leaf; 503. a positive electrode contact piece; 6. a negative electrode extrusion sheet; 601. a third spring leaf; 602. a negative contact block; 7. a lithium battery body; 8. a negative tab; 9. and a positive tab.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-6, a lithium battery tab fixing structure convenient to disassemble includes a lithium battery fixing frame 1, a battery placing groove 2 is provided at a position on the upper surface of the lithium battery fixing frame 1 near to both sides, a negative electrode groove 3 is provided on the inner front surface of the battery placing groove 2, a positive electrode groove 4 is provided on the inner rear surface of the battery placing groove 2, a positive electrode fixing frame 5 is fixed on the inner side of the positive electrode groove 4, a negative electrode extrusion sheet 6 is fixed on the inner front surface of the negative electrode groove 3, a lithium battery body 7 is provided between the positive electrode fixing frame 5 and the negative electrode extrusion sheet 6, a negative electrode tab 8 is fixedly installed on the front surface of the lithium battery body 7 in an embedded manner, and a positive electrode tab 9 is fixedly installed on the rear surface of the lithium battery body 7 in an embedded manner;

the lithium battery fixing frame is characterized in that a rectangular opening 101 is formed in the middle position between the front surface and the rear surface of the upper surface of the lithium battery fixing frame 1, a rectangular through hole 102 is formed in the lower surface of the inside of the rectangular opening 101, a sliding groove 103 is formed in the inner side of the rectangular opening 101, a telescopic spring 104 is arranged in the sliding groove 103 and close to the lower end, a baffle 105 is arranged in the rectangular opening 101, sliding blocks 106 are fixed at the two sides of the baffle 105 and close to the upper end, a lithium battery body can be taken out by pressing the baffle 105 in the rectangular opening 101 in the lithium battery fixing frame 1, the lithium battery fixing frame 1 does not need to be buckled from the two ends, and the lithium battery is more simple and convenient to disassemble; one end of the sliding block 106, which is far away from the baffle 105, is positioned inside the sliding groove 103, and the lower end of the baffle 105 penetrates through the rectangular through hole 102; a first spring plate 501 is fixed on the inner side of the positive fixing frame 5, a second spring plate 502 is fixed on the rear surface of the inner part of the positive fixing frame 5, and a positive contact piece 503 is fixed on one end of the outer side of the second spring plate 502 far away from the positive fixing frame 5; a third spring leaf 601 is fixed on the rear surface of the negative extrusion piece 6, and a negative contact block 602 is fixed at one end of the outer side of the third spring leaf 601, which is far away from the negative extrusion piece 6; the front end of the positive lug 9 is positioned between the first spring pieces 501.

It should be noted that, the present invention is a lithium battery tab fixing structure convenient for disassembly, when in use, the lithium battery body can be taken out by pressing the baffle 105 in the rectangular opening 101 of the lithium battery fixing frame 1 without buckling from the two ends of the lithium battery fixing frame 1, so that the process of disassembling and assembling the lithium battery is simpler and more convenient, in the process of pressing the baffle 105, the sliding blocks 106 at the two sides of the baffle 105 move from the upper end to the lower end inside the sliding groove 103, the extension spring 104 inside the sliding groove 103 is compressed, the lower end of the baffle 105 moves downwards through the rectangular through hole 102, the positive tab 9 is fixed by the first spring leaf 501 on the positive fixing frame 5, the negative extrusion piece 6 abuts against the rear surface of the negative tab 8 through the third spring leaf 601 and the negative contact block 602, the second spring leaf 502 on the positive fixing frame 5 abuts against the front surface of the positive tab 9 through the positive contact piece 503, the positive fixing frame 5 and the negative extrusion piece 6 can fix the positions of the negative tab 8 and the positive tab 9 on the lithium battery body 7, the contact area between the anode tab 9 and the cathode tab 8 is larger, so that poor contact is avoided, and the lithium battery cannot be used.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium battery tab fixed knot constructs convenient to dismantle which characterized in that: including the fixed frame of lithium cell (1), battery standing groove (2) have been seted up to the position that the fixed frame of lithium cell (1) upper surface is close to both sides, negative pole groove (3) have been seted up to the inside front surface of battery standing groove (2), anodal groove (4) have been seted up to the inside rear surface of battery standing groove (2), the inboard of anodal groove (4) is fixed with anodal fixed frame (5), the inside front surface fixing of negative pole groove (3) has negative pole extrusion piece (6), be equipped with lithium cell body (7) between anodal fixed frame (5) and negative pole extrusion piece (6), lithium cell body (7) front surface embedding fixed mounting has negative pole ear (8), lithium cell body (7) rear surface embedding fixed mounting has anodal ear (9).

2. The lithium battery tab fixing structure convenient to disassemble as claimed in claim 1, wherein: rectangle opening (101) have been seted up to the position that the fixed frame of lithium cell (1) upper surface is located middle part between front surface and the rear surface, rectangle through-hole (102) have been seted up to the inside lower surface of rectangle opening (101), spout (103) have been seted up to the inboard of rectangle opening (101), the position that the inside of spout (103) is close to the lower extreme is equipped with expanding spring (104), the inside of rectangle opening (101) is equipped with baffle (105), the position that baffle (105) both sides are close to the upper end is fixed with slider (106).

3. The lithium battery tab fixing structure convenient to disassemble as claimed in claim 2, wherein: one end, far away from the baffle (105), of the sliding block (106) is located inside the sliding groove (103), and the lower end of the baffle (105) penetrates through the rectangular through hole (102).

4. The lithium battery tab fixing structure convenient to disassemble as claimed in claim 3, wherein: the inboard of anodal fixed frame (5) is fixed with spring leaf (501), the inside rear surface of anodal fixed frame (5) is fixed with spring leaf (502) No. two, the one end of anodal fixed frame (5) is kept away from in spring leaf (502) the outside is fixed with anodal contact piece (503).

5. The lithium battery tab fixing structure convenient to disassemble as claimed in claim 4, wherein: a third spring piece (601) is fixed on the rear surface of the negative extrusion piece (6), and a negative contact block (602) is fixed at one end, far away from the negative extrusion piece (6), of the outer side of the third spring piece (601).

6. The lithium battery tab fixing structure convenient to disassemble as claimed in claim 5, wherein: the front end of the positive lug (9) is positioned between the first spring pieces (501).