CN210626513U

CN210626513U - Lithium battery clamp

Info

Publication number: CN210626513U
Application number: CN201920817183.4U
Authority: CN
Inventors: 辛悦; 王忠一
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-05-26
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a lithium battery clamp, including mounting and clamping assembly, the mounting is equipped with the first plane, clamping assembly includes a plurality of double-screw bolts, moving part and a plurality of nuts, a plurality of double-screw bolt tip are fixed on the first plane, moving part slip cover is established on a plurality of double-screw bolts, the moving part is equipped with the second plane relative with the first plane, a plurality of nuts cooperate respectively on a plurality of double-screw bolts and lie in the moving part and keep away from one side of mounting; the double-screw bolt is fixed on the fixing piece, so that the double-screw bolt is fixed relative to the fixing piece, the distance between the first plane and the second plane is changed by simultaneously screwing the plurality of nuts, and in the process of testing the lithium battery, the lithium battery is positioned between the first plane and the second plane, and the first plane and the second plane extrude the lithium battery to achieve the purpose of testing; the utility model provides a lithium battery clamp can ensure that the lithium cell receives pressure equilibrium everywhere, has improved test effect.

Description

Lithium battery clamp

Technical Field

The utility model relates to a lithium cell technical field especially relates to a lithium cell anchor clamps.

Background

At present, with the continuous development of new energy industry and the continuous innovation of science and technology, lithium ion batteries are widely applied to the fields of portable electronic equipment, electric vehicles, electric automobiles and the like due to the advantages of high energy density, long cycle life, low self-discharge, safety, environmental protection and the like; in the manufacturing and testing processes of soft packages and square lithium ion batteries, the clamp is used as a tool clamp and plays an important role which cannot be ignored; firstly, the gas that lithium cellization becomes the in-process and uses anchor clamps can improve the pole piece interface with the inside production of electric core, and secondly, the cycling performance of electric core can be strengthened to a certain extent to the use anchor clamps in the recycling process.

Referring to fig. 1-2, most of the clamps used in laboratories at present are two clamping plates or three clamping plates matched with a plurality of bolts, the clamping plates can freely rock on the bolts, in the using process, the clamping force applied to each position on the surface of the battery core is difficult to master and is not enough to achieve the purpose of stress balance, and the clamping force applied to the surface of the battery core is different in size and can greatly influence the state of a pole piece in the battery.

SUMMERY OF THE UTILITY MODEL

For the technical problem who exists among the solution background art, the utility model provides a lithium cell anchor clamps.

The utility model provides a lithium battery clamp, which comprises a fixing part and a clamping component;

the fixing piece is provided with a first plane;

the clamping assembly comprises a plurality of studs, a moving part and a plurality of nuts, the end parts of the studs are fixed on the first plane, the moving part is sleeved on the studs in a sliding mode, the moving part is provided with a second plane opposite to the first plane, and the nuts are respectively matched on the studs and located on one side, far away from the fixing part, of the moving part.

Preferably, the first plane is provided with a plurality of, the clamping assembly is provided with a plurality of, and the plurality of clamping assemblies are respectively matched on the plurality of first planes.

Preferably, the fixed part and the movable part are both plate-shaped structures, and the fixed part and the movable part are arranged in parallel.

Preferably, the pressure sensor and the display screen are further included, the pressure sensor is installed on the first plane or the second plane, the display screen is installed on the fixing piece or the moving piece, and the display screen is in communication connection with the pressure sensor.

Preferably, the stud is provided with a smooth surface along the length direction, and the smooth surface is marked with length scales.

Preferably, the fixed part is provided with a handle.

In the utility model, the provided lithium battery clamp, because the double-screw bolt is fixed on the fixing part, the double-screw bolt keeps fixed relative to the fixing part, and the distance between the first plane and the second plane is changed by simultaneously screwing a plurality of nuts, in the process of testing the lithium battery, the lithium battery is positioned between the first plane and the second plane, and the first plane and the second plane extrude the lithium battery to achieve the purpose of testing; the utility model provides a lithium battery clamp can ensure that the lithium cell receives pressure equilibrium everywhere, has improved test effect.

Drawings

FIG. 1 is a prior art clamp having two clamping plates;

FIG. 2 is a prior art clamp having three clamping plates;

fig. 3 is a top view of a lithium battery clamp provided by the present invention;

fig. 4 is a side view of the lithium battery clamp provided by the present invention.

Detailed Description

As shown in fig. 1-4, fig. 1 is a fixture with two clamping plates in the prior art, fig. 2 is a fixture with three clamping plates in the prior art, fig. 3 is a top view of a lithium battery fixture provided by the present invention, and fig. 4 is a side view of a lithium battery fixture provided by the present invention.

Referring to fig. 3-4, the utility model provides a lithium battery clamp, which comprises a fixing member 1 and a clamping assembly;

the fixing piece 1 is provided with a first plane, and the first plane is used for abutting against the lithium battery;

the clamping assembly comprises four studs 2, a moving part 3 and four nuts 4, the end parts of the four studs 2 are fixed on a first plane, the sequential connection line of the four studs 2 is rectangular, the moving part 3 is sleeved on the four studs 2 in a sliding manner, the moving part 3 is provided with a second plane opposite to the first plane, a lithium battery is placed between the first plane and the second plane, the first plane and the second plane extrude the lithium battery, the four nuts 4 are respectively matched on the four studs 2 and located on one side, far away from the fixing part 1, of the moving part 3, and the moving part 3 can be pushed to move by rotating the four nuts 4.

According to the lithium battery clamp provided by the embodiment, a lithium battery to be tested is placed between a first plane and a second plane, the stud 2 is fixed on the fixing part 1, so that the stud 2 is kept fixed relative to the fixing part 1, and the four nuts 4 are screwed to push the moving part 3 to move so as to extrude the lithium battery; the utility model provides a lithium battery clamp can ensure that the lithium cell receives pressure equilibrium everywhere, has improved test effect.

In order to realize the test of a plurality of lithium batteries simultaneously, the first plane is provided with a plurality of, clamping component is provided with a plurality of, and is a plurality of clamping component cooperates respectively on a plurality of first plane, just so can realize the test to a plurality of lithium batteries.

In this embodiment, the fixed member 1 and the movable member 3 are both plate-shaped structures, and the two clamping assemblies are provided, and the two movable members 3 are respectively located on two sides of the fixed member 1 and arranged in parallel, so that two lithium batteries can be tested simultaneously.

In order to facilitate learning the acting force of the clamp on the lithium battery, the testing effect is improved, the testing device further comprises a pressure sensor 5 and a display screen 6, the pressure sensor 5 is installed on the second plane, the display screen 6 is installed on one side, far away from the second plane, of the moving part 3, the display screen 6 is in communication connection with the pressure sensor 5 and used for displaying the pressure value measured by the pressure sensor 5, and a tester adjusts the nut 4 according to the displayed pressure so that the pressure reaches the preset size.

Twist and move 4 promotion splint removals of a plurality of nuts, it can ensure that splint are balanced to the power of lithium cell each department only to ensure that a plurality of nuts 4 are located the coplanar, only rely on the tester to roughly survey nut 4 position among the prior art, the error is great like this, splint are unbalanced to the power of lithium cell each department very probably, in order to solve this problem, in this embodiment, double-screw bolt 2 is equipped with the smooth surface along length direction, the smooth surface marks the length scale, the tester adjusts a plurality of nuts 4 to the same scale department to a plurality of nuts 4 are located the coplanar, and then ensure that splint are balanced to the power of lithium cell each department.

The fixing part 1 is provided with a handle 7 which is convenient for carrying, taking and placing the clamp.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lithium battery clamp is characterized by comprising a fixing piece (1) and a clamping assembly;

the fixing piece (1) is provided with a first plane;

clamping assembly includes a plurality of double-screw bolts (2), moving part (3) and a plurality of nut (4), and a plurality of double-screw bolts (2) end fixing are in on the first plane, and moving part (3) slip cover is established on a plurality of double-screw bolts (2), moving part (3) be equipped with the relative second plane of first plane, a plurality of nuts (4) cooperate respectively on a plurality of double-screw bolts (2) and lie in moving part (3) and keep away from one side of mounting (1).

2. The lithium battery pack holder as claimed in claim 1, wherein the first plane is provided in plurality, and the clamping members are provided in plurality, and the plurality of clamping members are respectively fitted on the plurality of first planes.

3. The lithium battery cell holder as claimed in any of claims 1 to 2, characterized in that the stationary part (1) and the movable part (3) are both plate-like structures, the stationary part (1) and the movable part (3) being arranged in parallel.

4. The lithium battery clamp as claimed in any one of claims 1-2, further comprising a pressure sensor (5) and a display screen (6), wherein the pressure sensor (5) is mounted on the first plane or the second plane, the display screen (6) is mounted on the fixed member (1) or the movable member (3), and the display screen (6) is in communication connection with the pressure sensor (5).

5. The lithium battery clamp as claimed in any one of claims 1-2, characterized in that the stud (2) is provided with a smooth surface along the length direction, said smooth surface being marked with length scales.

6. The lithium battery cell holder as claimed in claim 1, characterized in that the holder (1) is provided with a handle (7).