CN209247992U - A polymer battery test fixture - Google Patents

Abstract

The utility model discloses a polymer battery test fixture, which comprises a base, a side top plate and a pressure plate, a cavity is arranged in the middle of the base, a vertical plate is arranged on both sides of the base, and a vertical plate is arranged on the vertical plate. There are first sliding rods, and the first sliding rods are horizontally slidably installed on the vertical boards, and the opposite ends of the two first sliding rods are fixedly provided with the side top boards, and the vertical boards are connected to the vertical boards. A first spring is provided between the side top plates, and the first spring is sleeved on the vertical plate; the side top plate is in the shape of a "7", and a vertical downward spring is slidingly installed on the horizontal edge of the top. The second sliding rod, the bottom end of the second sliding rod is fixedly connected with the pressure plate, and the second spring is sleeved on the second sliding rod. The beneficial effect is that the battery can be clamped and fixed, thereby avoiding the battery to be tested by hand, and the safety of the battery violence test is improved; the structure is simple, the operation is convenient, and batteries of different sizes can be clamped and fixed.

Description

A polymer battery test fixture

technical field

The utility model relates to the field of lithium battery production, in particular to a polymer battery testing fixture.

Background technique

Polymer batteries are also called lithium polymer batteries, also known as polymer lithium batteries. It is a type of lithium-ion battery and a new type of battery. Common test items for polymer batteries include charge and discharge performance test, capacity, voltage, internal resistance test, cycle life test, violence test, short circuit test, etc.

The applicant has found that there are at least the following technical problems in the prior art: the violent test of polymer batteries is done by placing the battery to be tested on the workbench, holding the battery with one hand, and then hammering the battery with the other hand. This operation is not only easy to injure the hand, but also when the hammer head is hammering, it is easy to cause a strong vibration to the hand and make the hand numb.

Utility model content

The purpose of this utility model is to provide a polymer battery testing fixture in order to solve the above problems, so as to solve the technical problem of high risk of violent testing of polymer batteries in the prior art. Among the many technical solutions provided by the utility model, the preferred technical solution has technical effects such as being able to clamp the battery, thereby avoiding hand holding, and improving the safety of the battery violent test, which are described in detail below.

In order to achieve the above object, the utility model provides the following technical solutions:

The utility model provides a polymer battery test fixture, which comprises a base, a side top plate and a pressure plate, a cavity is arranged in the middle of the base, a vertical plate is arranged on both sides of the base, and a vertical plate is arranged on the vertical plate. There is a first sliding bar, and the first sliding bar is horizontally slidably installed on the vertical plate, and the opposite ends of the two first sliding bars are fixedly provided with the side top plate, and the vertical plate is connected to the vertical plate. A first spring is arranged between the side top plates, and the first spring is sleeved on the vertical plate;

The side roof is in the shape of a "7", and a vertically downward second slide bar is slidably installed on the transverse edge of the top, and the bottom end of the second slide bar is fixedly connected with a pressing plate, and the second slide bar A second spring is sleeved on the top, and the second spring is located between the pressing plate and the side top plate.

Using the above-mentioned polymer battery test fixture, the battery to be tested is placed in the placement cavity, and the side top plates on both sides are pressed against the left and right sides of the battery, so that the battery is laterally clamped, so that the The pressure plate is pressed against the top surface of the battery near both ends, so as to vertically compress and limit the battery. The distance between the two side top plates can be adjusted freely according to the length of the battery, and the pressure plate is connected to the The height of the bottom of the cavity can be adjusted freely according to the thickness or diameter of the battery, so as to meet the clamping and fixing of batteries of different specifications and sizes, avoid holding the battery for testing, and improve the safety of battery violence testing.

Preferably, each of the four corners of the base is provided with a mounting hole.

Preferably, the placement cavity is a rectangular hole penetrating the base.

Preferably, the lower end of the side top plate protrudes into the placement cavity, and can slide laterally in the placement cavity.

Preferably, the first slide bar is a T-shaped stepped circular shaft.

Preferably, the second slide bar is a T-shaped stepped square shaft.

Preferably, the bottom surface of the pressing plate is an upwardly curved arcuate surface, and the central axis of the arcuate surface is located in the same plane as the central axis of the first slide bar.

Beneficial effects: 1. The utility model can realize the clamping and fixing of the battery, thereby avoiding the battery to be tested by hand, and improving the safety of the battery violent test;

2. The structure is simple, the operation is convenient, and batteries of different sizes can be clamped and fixed.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a spatial perspective view of the utility model.

The reference signs are explained as follows:

1. Base; 101. Placement cavity; 102. Mounting hole; 2. Vertical plate; 3. Side top plate; 4. Second slide bar; 5. Second spring; 6. Press plate; 7. First spring; 8. Second a slider.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other implementations obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

Referring to Fig. 1, the utility model provides a polymer battery test fixture, including a base 1, a side top plate 3 and a pressure plate 6, the middle part of the base 1 is provided with a placement cavity 101, and each side of the base 1 is A vertical board 2 is provided, and the first sliding rod 8 is arranged on the vertical board 2, and the first sliding rod 8 is horizontally slidably mounted on the vertical board 2, and the two first sliding rods 8 are opposite to each other. One end of each is fixedly provided with the side top plate 3, a first spring 7 is arranged between the vertical plate 2 and the side top plate 3, and the first spring 7 is sleeved on the vertical plate 2;

The side top plate 3 is in the shape of a "7", and a vertically downward second slide bar 4 is slidably installed on the transverse edge of the top, and the bottom end of the second slide bar 4 is fixedly connected with a pressing plate 6, and A second spring 5 is sleeved on the second slide bar 4 , and the second spring 5 is located between the pressing plate 6 and the side top plate 3 .

Preferably, each of the four corners of the base 1 is provided with a mounting hole 102 , so that it is convenient to pass bolts through the mounting holes 102 to fix the base 1 on the workbench.

The placement cavity 101 is a rectangular hole that runs through the base 1, so that the bottom of the battery under test can be placed on the workbench, so that the hammering force during the test can act on the workbench through the battery, avoiding the base 1 force.

The lower end of the side top plate 3 extends into the placement cavity 101, and can slide laterally in the placement cavity 101, so that it is convenient to limit the circumference of the side top plate 3 and prevent the side top plate 3 from following the first position. The slide bar 8 rotates.

The first slide bar 8 is a T-shaped stepped circular shaft, so that it is convenient to limit the position of the first slide bar 8 through the boss on the stepped circular shaft, thereby preventing the first slide bar 8 from Detach from the riser 2.

The second slide bar 4 is a T-shaped stepped square shaft, so that it is convenient to prevent the second slide bar 4 from detaching from the side top plate 3, and at the same time limit the direction of the pressure plate 6.

The bottom surface of the pressing plate 6 is an upwardly curved arcuate surface, and the central axis of the arcuate surface is located in the same plane as the central axis of the first slide bar 8, so that it is convenient to compress the circular battery .

With the above-mentioned structure, the battery to be tested is placed in the placement cavity 101, and the side top plates 3 on both sides are pushed against the left and right sides of the battery, so that the battery is laterally clamped, and the pressure plate 6 is pressed against the left and right sides of the battery. The battery is close to the top surface of both ends, so that the battery is vertically compressed and limited, the distance between the two side top plates 3 can be adjusted freely according to the length of the battery, and the pressure plate 6 is connected to the placement cavity The height of the bottom of 101 can be adjusted freely according to the thickness or diameter of the battery, so as to meet the clamping and fixing of batteries of different specifications and sizes, avoid holding the battery for testing, and improve the safety of battery violence testing.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (7)

1. a kind of polymer battery test fixture fixture, it is characterised in that: including pedestal (1), side top plate (3) and pressing plate (6), institute It states and is provided with placed cavity (101) in the middle part of pedestal (1), the two sides of the pedestal (1) are each provided with a vertical plate (2), the vertical plate (2) it is provided on the first slide bar (8), and first slide bar (8) slides laterally and is mounted on the vertical plate (2), described in two The opposite one end of first slide bar (8) is fixedly installed the side top plate (3), between the vertical plate (2) and the side top plate (3) It is provided with the first spring (7), and first spring (7) is socketed on the vertical plate (2)；

The side top plate (3) is " 7 " font, and the second slide bar (4) straight down is slidably fitted on the horizontal edge at top, described The bottom end of second slide bar (4) is fixedly connected with pressing plate (6), is socketed with second spring (5) on second slide bar (4), and described Second spring (5) is between the pressing plate (6) and the side top plate (3).

2. a kind of polymer battery test fixture fixture according to claim 1, it is characterised in that: the four of the pedestal (1) A mounting hole (102) is each provided at angle.

3. a kind of polymer battery test fixture fixture according to claim 1, it is characterised in that: the placed cavity (101) For through the rectangular opening of the pedestal (1).

4. a kind of polymer battery test fixture fixture according to claim 1, it is characterised in that: under the side top plate (3) End is protruded into the placed cavity (101), and can be in the placed cavity (101) interior horizontal sliding.

5. a kind of polymer battery test fixture fixture according to claim 1, it is characterised in that: first slide bar (8) For the ladder circular shaft of T-type.

6. a kind of polymer battery test fixture fixture according to claim 1, it is characterised in that: second slide bar (4) For the ladder square shaft of T-type.

7. a kind of polymer battery test fixture fixture according to claim 6, it is characterised in that: the bottom of the pressing plate (6) Face is the arcwall face being bent upwards, and the central axis of the arcwall face and the central axis of first slide bar (8) are positioned at same In plane.