CN212380527U

CN212380527U - Utmost point ear connection structure of lithium ion battery group

Info

Publication number: CN212380527U
Application number: CN202021260433.8U
Authority: CN
Inventors: 谢江兴; 周好
Original assignee: Hubei Meisaier Technology Co ltd
Current assignee: Hubei Meisaier Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-01-19
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a utmost point ear connection structure of lithium ion battery group, including the lithium cell, install utmost point ear on the lithium cell, utmost point ear top and below all are provided with the fixed plate, run through on the fixed plate and peg graft have with utmost point ear vertically gag lever post, the gag lever post is close to the one end of utmost point ear and installs fixture, the cover is equipped with first spring on the gag lever post, first spring is located between fixed plate and the fixture, first spring both ends respectively with fixed plate, fixture rigid coupling, the fixed plate left end is connected with the lithium cell through straining device. The utility model discloses a set up fixture in utmost point ear both sides, make fixture press from both sides tight utmost point ear under the effect of first spring force to effectively inject the relative position of utmost point ear and lithium cell, prevent effectively that utmost point ear production from rocking.

Description

Utmost point ear connection structure of lithium ion battery group

Technical Field

The utility model relates to a lithium ion battery group field especially relates to a utmost point ear connection structure of lithium ion battery group.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.

The tab of the lithium ion battery pack on the existing large automobile is usually connected with the lithium ion battery in a welding mode, the welding mode is not firm enough, and particularly in the bumpy environment of the automobile, the tab is often bumped to shake, so that the tab falls off.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a utmost point ear connection structure of lithium ion battery group to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

the utility model provides a utmost point ear connection structure of lithium ion battery group, includes the lithium cell, install utmost point ear on the lithium cell, utmost point ear top and below all are provided with the fixed plate, run through on the fixed plate and peg graft have with utmost point ear vertically gag lever post, the gag lever post is close to the one end of utmost point ear and installs fixture, the cover is equipped with first spring on the gag lever post, first spring is located between fixed plate and the fixture, first spring both ends respectively with fixed plate, fixture rigid coupling, the fixed plate left end is connected with the lithium cell through straining device.

Preferably, the clamping mechanism comprises a clamping plate, a clamping piece and a lug; the clamp plate is fixedly connected with the limiting rod, a clamping piece is fixedly arranged on one surface, close to the lug, of the clamp plate, and a plurality of convex blocks are fixedly arranged on one surface, close to the lug, of the clamping piece.

Preferably, the clamping piece and the lug are made of rubber materials.

Preferably, the tensioning mechanism comprises a left base, a right base, a connecting rod, a pull rod and a second spring; the edge of the left base is fixedly connected with the edge of the right base through a plurality of connecting rods, a pull rod is inserted and connected onto the right base in a penetrating mode, one end of the pull rod is fixedly connected with the left end of the fixed plate, the other end of the pull rod is fixedly connected with one end of a second spring, the other end of the second spring is fixedly connected with the left base, and the left base is fixedly connected with the lithium battery.

Preferably, the other end of the pull rod is fixedly connected with one end of the second spring through a limiting block.

Preferably, the pull rod is sleeved with a guide sleeve in a sliding manner, and the guide sleeve is fixedly connected with the right base.

The utility model has the advantages that:

1. the utility model discloses a set up fixture in utmost point ear both sides, make fixture press from both sides tight utmost point ear under the effect of first spring force to effectively inject the relative position of utmost point ear and lithium cell, prevent effectively that utmost point ear production from rocking.

2. When utmost point ear and lithium cell break away from, the second spring passes through the pull rod to lithium cell direction pulling fixed plate, and the fixed plate drives utmost point ear through fixture and supports tight lithium cell to prevent that utmost point ear from droing from the lithium cell.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion B of FIG. 1 according to the present invention;

reference numerals: 1-a lithium battery; 2-a limiting rod; 3, fixing a plate; 4-pole ear; 5-clamping plate; 6-a first spring; 7-a left base; 8-a limiting block; 9-a connecting rod; 10-a right base; 11-a guide sleeve; 12-a pull rod; 13-a second spring; 14-a clip; 15-bump.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a tab connection structure of lithium ion battery pack, including lithium battery 1, install utmost point ear 4 on lithium battery 1, utmost point ear 4 top and below all are provided with fixed plate 3, it has gag lever post 2 perpendicular with utmost point ear 4 to run through the grafting on fixed plate 3, fixture is installed to the one end that gag lever post 2 is close to utmost point ear 4, the cover is equipped with first spring 6 on gag lever post 2, first spring 6 is located between fixed plate 3 and the fixture, first spring 6 both ends respectively with fixed plate 3, fixture rigid coupling, fixed plate 3 left end is connected with lithium battery 1 through straining device.

The clamping mechanism comprises a clamping plate 5, a clamping piece 14 and a lug 15; the clamping plate 5 is fixedly connected with the limiting rod 2, the clamping piece 14 is fixedly arranged on one surface, close to the lug 4, of the clamping plate 5, the plurality of convex blocks 15 are fixedly arranged on one surface, close to the lug 4, of the clamping piece 14, and the clamping piece 14 and the convex blocks 15 are made of rubber materials.

The working principle is as follows: under the elastic force effect of first spring 6, splint 5 of both sides about utmost point ear 4 support and press from both sides tight utmost point ear 4 to effectively inject utmost point ear 4 and lithium cell 1's relative position, prevent effectively that utmost point ear 4 from producing and rock, setting up of lug 15 can increase frictional force, make splint 5 can be more firm press from both sides tight utmost point ear 4.

Example 2

As shown in fig. 1 to 3, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: the tensioning mechanism comprises a left base 7, a right base 10, a connecting rod 9, a pull rod 12 and a second spring 13; the edge of the left base 7 is fixedly connected with the edge of the right base 10 through a plurality of connecting rods 9, a pull rod 12 is inserted in the right base 10 in a penetrating mode, one end of the pull rod 12 is fixedly connected with the left end of the fixing plate 3, the other end of the pull rod 12 is fixedly connected with one end of a second spring 13, the other end of the second spring 13 is fixedly connected with the left base 7, and the left base 7 is fixedly connected with the lithium battery 1.

The other end of the pull rod 12 is fixedly connected with one end of a second spring 13 through a limiting block 8.

The pull rod 12 is slidably sleeved with a guide sleeve 11, and the guide sleeve 11 is fixedly connected with the right base 10.

The working principle is as follows: when utmost point ear 4 and lithium cell 1 break away from, second spring 13 passes through pull rod 12 to the fixed plate 3 of 1 orientation pulling of lithium cell, and fixed plate 3 drives utmost point ear 4 through fixture and supports tight lithium cell 1 to prevent that utmost point ear 4 from droing from lithium cell 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a utmost point ear connection structure of lithium ion battery group, includes lithium cell (1), install utmost point ear (4), its characterized in that on lithium cell (1): utmost point ear (4) top and below all are provided with fixed plate (3), run through on fixed plate (3) and peg graft have with utmost point ear (4) vertically gag lever post (2), fixture is installed to the one end that gag lever post (2) are close to utmost point ear (4), the cover is equipped with first spring (6) on gag lever post (2), first spring (6) are located between fixed plate (3) and the fixture, first spring (6) both ends respectively with fixed plate (3), fixture rigid coupling, fixed plate (3) left end is connected with lithium cell (1) through straining mechanism.

2. The tab connection structure of a lithium ion battery pack according to claim 1, wherein: the clamping mechanism comprises a clamping plate (5), a clamping piece (14) and a convex block (15); splint (5) and gag lever post (2) rigid coupling, splint (5) are close to the one side of utmost point ear (4) and have set firmly clamping piece (14), the one side that clamping piece (14) are close to utmost point ear (4) has set firmly a plurality of lugs (15).

3. The tab connection structure of a lithium ion battery pack according to claim 2, wherein: the clamping piece (14) and the bump (15) are made of rubber.

4. The tab connection structure of a lithium ion battery pack according to claim 1, wherein: the tensioning mechanism comprises a left base (7), a right base (10), a connecting rod (9), a pull rod (12) and a second spring (13); the edge of the left base (7) is fixedly connected with the edge of the right base (10) through a plurality of connecting rods (9), a pull rod (12) penetrates through and is inserted into the right base (10), one end of the pull rod (12) is fixedly connected with the left end of the fixing plate (3), the other end of the pull rod (12) is fixedly connected with one end of a second spring (13), the other end of the second spring (13) is fixedly connected with the left base (7), and the left base (7) is fixedly connected with the lithium battery (1).

5. The tab connection structure of a lithium ion battery pack according to claim 4, wherein: the other end of the pull rod (12) is fixedly connected with one end of a second spring (13) through a limiting block (8).

6. The tab connection structure of a lithium ion battery pack according to claim 4, wherein: the sliding sleeve is equipped with guide sleeve (11) on pull rod (12), guide sleeve (11) and right base (10) rigid coupling.