CN219574163U - Frock clamp for lithium battery test - Google Patents

Abstract

The utility model relates to the technical field of clamps, in particular to a fixture clamp for lithium battery test, which comprises a bottom plate, wherein supporting legs are fixedly connected to four corners of the bottom plate, two symmetrically arranged L-shaped plates are fixedly connected to the top of the bottom plate, two symmetrically arranged fixing rods are fixedly connected to opposite sides of the two L-shaped plates, a first clamping plate, a second clamping plate, a third clamping plate and a fourth clamping plate are sequentially and slidably connected to the rod walls of the two fixing rods, a first threaded rod is rotatably connected to opposite sides of the two L-shaped plates, and the fourth clamping plate and the first clamping plate are in threaded connection with the first threaded rod; compared with the prior art, the fixture is simple to operate, is convenient for clamping a plurality of lithium batteries, and solves the problems that most of the traditional fixture for testing the lithium batteries cannot clamp the plurality of lithium batteries when in use, the fixture is required to be replaced one by one for clamping and detecting, is very troublesome, is inconvenient to use and is labor-consuming.

Description

Frock clamp for lithium battery test

Technical Field

The utility model relates to the technical field of fixtures, in particular to a fixture clamp for testing a lithium battery.

Background

A lithium battery is a primary battery using a nonaqueous electrolyte solution with lithium metal or lithium alloy as a negative electrode material, unlike a rechargeable battery lithium ion battery and a lithium ion polymer battery. The inventor of lithium batteries is edison. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment.

Along with the development of microelectronic technology at the end of the twentieth century, miniaturized equipment is increasingly increased, high requirements are put on a power supply, a lithium battery is brought into a large-scale practical stage, a fixture is usually used for fixing the lithium battery during the lithium battery test, and most of conventional fixture fixtures for the lithium battery test cannot clamp a plurality of lithium batteries during the use, so that the plurality of lithium batteries are required to be replaced one by one for clamping and detection, and the fixture is extremely troublesome, inconvenient to use, and labor-consuming.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a fixture for testing a lithium battery.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a frock clamp for lithium cell test, includes the bottom plate, the equal fixedly connected with supporting leg in bottom four corners department of bottom plate, the L shaped plate that two symmetries set up of top fixedly connected with of bottom plate, the dead lever that two symmetries set up of opposite side fixedly connected with of L shaped plate, two sliding connection has first splint, second splint, third splint and fourth splint on the pole wall of dead lever in proper order, the opposite side rotation of two L shaped plates is connected with first threaded rod, fourth splint with first splint all with first threaded rod threaded connection, fourth splint with the screw thread opposite direction of first splint, second splint with the movable hole that is close to bottom department all has seted up on the board wall of third splint with first threaded rod assorted, the right side install first motor on the right side wall of L shaped plate, and the output shaft of first motor with first threaded rod fixed connection, the below of first is provided with device.

Preferably, the linkage comprises a first V-shaped connecting rod, the first V-shaped connecting rod is movably connected with the L-shaped plate and the first clamping plate on the left side, a second V-shaped connecting rod is movably connected between the bottom of the first clamping plate and the bottom of the second clamping plate, a third V-shaped connecting rod is movably connected between the bottom of the second clamping plate and the bottom of the third clamping plate, and a fourth V-shaped connecting rod is movably connected between the bottom of the third clamping plate and the bottom of the fourth clamping plate.

Preferably, the rear walls of the two L-shaped plates are fixedly connected with a U-shaped frame, and the U-shaped frame is fixedly connected with the bottom plate.

Preferably, a fixed plate is fixedly connected to the front side between the left inner wall and the right inner wall of the U-shaped frame, a second threaded rod is rotatably connected between the fixed plate and the rear wall of the U-shaped frame, a second motor is installed on the rear wall of the U-shaped frame, an output shaft of the second motor is fixedly connected with the second threaded rod, a movable plate is connected to the rod wall of the second threaded rod in a threaded manner, and the movable plate is in sliding connection with the inner wall of the U-shaped frame.

Preferably, two symmetrically arranged connecting rods are fixedly connected between the rear wall of the U-shaped frame and the fixed plate, and the connecting rods are in sliding connection with the movable plate.

Preferably, the bottom of fly leaf is all fixedly connected with backup pad, each group the backup pad all runs through the fixed plate, and each group backup pad all with fixed plate sliding connection, each group the backup pad all is located the top of first threaded rod horizontal line, first splint second splint third splint with the adjacent one side of fourth splint is all fixedly connected with protection pad.

The fixture for testing the lithium battery has the beneficial effects that: according to the utility model, the first motor, the first threaded rod and the fixed rod are arranged, the first threaded rod is driven to rotate through the output shaft of the first motor, the fourth clamping plate is driven to move leftwards, the first clamping plate moves rightwards, the fourth V-shaped connecting rod drives the third clamping plate to move leftwards, and the second V-shaped connecting rod drives the second clamping plate to move rightwards, so that the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate are mutually close to each other and clamp lithium batteries.

Drawings

Fig. 1 is a structural cross-sectional view of a fixture for testing lithium batteries, which is provided by the utility model;

fig. 2 is a top-down view of a U-shaped frame structure of a fixture for testing a lithium battery according to the present utility model;

fig. 3 is a bottom view of an L-shaped plate structure of a fixture for testing a lithium battery according to the present utility model;

fig. 4 is a left cross-sectional view of a U-shaped frame structure of a fixture for testing a lithium battery according to the present utility model.

In the figure: the bottom plate 1, the L-shaped plate 2, the first threaded rod 3, the fixed rod 4, the first clamping plate 5, the protection pad 6, the second clamping plate 7, the third clamping plate 8, the fourth clamping plate 9, the first motor 10, the first V-shaped connecting rod 11, the second V-shaped connecting rod 12, the movable hole 13, the third V-shaped connecting rod 14, the fourth V-shaped connecting rod 15, the supporting plate 16, the U-shaped frame 17, the connecting rod 18, the second motor 19, the movable plate 20, the fixed plate 21 and the second threaded rod 22.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a fixture for lithium battery test comprises a bottom plate 1, supporting legs are fixedly connected at four corners of the bottom plate 1, two symmetrically arranged L-shaped plates 2 are fixedly connected at the top of the bottom plate 1, two symmetrically arranged fixing rods 4 are fixedly connected at opposite sides of the two L-shaped plates 2, a first clamping plate 5, a second clamping plate 7, a third clamping plate 8 and a fourth clamping plate 9 are sequentially and slidably connected on the rod walls of the two fixing rods 4, a first threaded rod 3 is rotationally connected at opposite sides of the two L-shaped plates 2, the fourth clamping plate 9 and the first clamping plate 5 are in threaded connection with the first threaded rod 3, the threads of the fourth clamping plate 9 and the first clamping plate 5 are opposite in direction, movable holes 13 matched with the first threaded rod 3 are formed on the plate walls of the second clamping plate 7 and the third clamping plate 8 close to the bottom, a first motor 10 is arranged on the right side wall of the right L-shaped plate 2, an output shaft of the first motor 10 is fixedly connected with the first threaded rod 3, a linkage device is arranged below the first threaded rod 3, the linkage device comprises a first V-shaped connecting rod 11, the first V-shaped connecting rod 11 is movably connected with the left L-shaped plate 2 and the first clamping plate 5, a second V-shaped connecting rod 12 is movably connected between the bottoms of the first clamping plate 5 and the second clamping plate 7, a third V-shaped connecting rod 14 is movably connected between the bottoms of the second clamping plate 7 and the third clamping plate 8, a fourth V-shaped connecting rod 15 is movably connected between the bottoms of the third clamping plate 8 and the fourth clamping plate 9, the output shaft of the first motor 10 drives the first threaded rod 3 to rotate, the first threaded rod 3 can rotate to drive the first clamping plate 5 and the fourth clamping plate 9 to be close to each other due to the opposite thread directions of the first clamping plate 5 and the fourth clamping plate 9, the first clamping plate 5 can move rightwards, the second clamping plate 7 is driven to move rightwards by the second V-shaped connecting rod 12, the fourth clamping plate 9 moves leftwards, the third clamping plate 8 is driven to move leftwards by the fourth V-shaped connecting rod 15, and the first clamping plate 5, the second clamping plate 7, the third clamping plate 8 and the fourth clamping plate 9 all slide on the fixed rod 4, so that the first clamping plate 5, the second clamping plate 7, the third clamping plate 8 and the fourth clamping plate 9 can be mutually close to each other and clamp a lithium battery.

The rear wall of the two L-shaped plates 2 is fixedly connected with a U-shaped frame 17, the U-shaped frame 17 is fixedly connected with the bottom plate 1, a fixed plate 21 is fixedly connected at the front side between the left and right inner walls of the U-shaped frame 17, a second threaded rod 22 is rotatably connected between the fixed plate 21 and the rear wall of the U-shaped frame 17, a second motor 19 is arranged on the rear wall of the U-shaped frame 17, an output shaft of the second motor 19 is fixedly connected with the second threaded rod 22, a movable plate 20 is connected on the rod wall of the second threaded rod 22 in a threaded manner, the movable plate 20 is in sliding connection with the inner wall of the U-shaped frame 17, two symmetrically arranged connecting rods 18 are fixedly connected between the rear wall of the U-shaped frame 17 and the fixed plate 21, the connecting rods 18 are in sliding connection with the movable plate 20, the bottoms of the movable plate 20 are fixedly connected with support plates 16, each group of support plates 16 penetrate through the fixed plate 21, each group of support plates 16 are in sliding connection with the fixed plate 21, each group of support plates 16 are positioned above the horizontal line of the first threaded rod 3, one side of the first clamping plate 5, the second clamping plate 7, the third clamping plate 8 and the fourth clamping plate 9 which are adjacent are fixedly connected with the protection pad 6, the output shaft of the second motor 19 drives the second threaded rod 22 to rotate, the movable plate 20 can drive the support plates 16 to move forwards, the movable plate 20 moves forwards and slides on the inner wall of the U-shaped frame 17 through the rod wall of the connecting rod 18, the connecting rod 18 achieves the function of supporting the movable plate 20, the support plates 16 move forwards and slide on the fixed plates 21, the fixed plates 21 achieve the function of supporting the support plates 16, so that the support plates 16 are moved between the first clamping plate 5, the second clamping plate 7, the third clamping plate 8 and the fourth clamping plate 9, the lithium batteries can be placed on the support plates 16, and the purpose of convenient storage is achieved, the first motor 10 and the second motor 19 are respectively and electrically connected with a control switch through external power lines.

Working principle: when the lithium battery protection device is used, the second motor 19 is started firstly, the output shaft of the second motor 19 drives the second threaded rod 22 to rotate, the movable plate 20 can drive the supporting plate 16 to move forwards, the movable plate 20 moves forwards and slides on the inner wall of the U-shaped frame 17 through the rod wall of the connecting rod 18, the connecting rod 18 achieves the effect of supporting the movable plate 20, the supporting plate 16 moves forwards and slides on the fixed plate 21, the fixed plate 21 achieves the effect of supporting the supporting plate 16, the supporting plate 16 is enabled to move between the first clamping plate 5, the second clamping plate 7, the third clamping plate 8 and the fourth clamping plate 9, then a lithium battery is placed on the supporting plate 16, the first motor 10 is started, the output shaft of the first motor 10 drives the first threaded rod 3 to rotate, and as the threaded directions of the first clamping plate 5 and the fourth clamping plate 9 are opposite, the first clamping plate 3 can rotate to drive the first clamping plate 5 and the fourth clamping plate 9 to be close to each other, the first clamping plate 5 can be driven by the second V-shaped connecting rod 12 to move rightwards, the fourth clamping plate 9 moves leftwards through the fourth V-shaped connecting rod 15 to drive the third clamping plate 8 to move leftwards through the fourth connecting rod 15, the third clamping plate 8 and the fourth clamping plate 9 can achieve the effect of protecting the lithium battery protection device is enabled to slide on the third clamping plate 7 and the fourth clamping plate 9 to be close to the fourth clamping plate 7 and the second clamping plate 7, and the lithium battery protection device is kept to move on the protection device, and the protection device is used to move right to protect the lithium battery protection device.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a frock clamp for lithium cell test, includes bottom plate (1), its characterized in that, the equal fixedly connected with supporting leg in bottom four corners department of bottom plate (1), the L shaped plate (2) that two symmetries of top fixedly connected with of bottom plate (1) set up, the dead lever (4) that two L shaped plate (2) opposite side fixedly connected with symmetry set up, two sliding connection has first splint (5), second splint (7), third splint (8) and fourth splint (9) in proper order on the pole wall of dead lever (4), the opposite side rotation of two L shaped plate (2) is connected with first threaded rod (3), fourth splint (9) with first splint (5) all with threaded connection of first threaded rod (3), fourth splint (9) with the screw thread direction of first splint (5) is opposite, second splint (7) with be close to on the board wall of third splint (8) all set up with first (3) assorted movable hole (13) on the right side of threaded rod (3) motor, right side (10) have threaded rod (10) and first side of threaded rod (10) are connected with first threaded rod (10).

2. The fixture for lithium battery test according to claim 1, wherein the linkage device comprises a first V-shaped connecting rod (11), the first V-shaped connecting rod (11) is movably connected with the left side of the L-shaped plate (2) and the first clamping plate (5), a second V-shaped connecting rod (12) is movably connected between the bottoms of the first clamping plate (5) and the second clamping plate (7), a third V-shaped connecting rod (14) is movably connected between the bottoms of the second clamping plate (7) and the third clamping plate (8), and a fourth V-shaped connecting rod (15) is movably connected between the bottoms of the third clamping plate (8) and the fourth clamping plate (9).

3. The fixture for lithium battery test according to claim 1, wherein the rear walls of the two L-shaped plates (2) are fixedly connected with a U-shaped frame (17), and the U-shaped frame (17) is fixedly connected with the bottom plate (1).

4. The fixture for lithium battery test according to claim 3, wherein a fixed plate (21) is fixedly connected to the front side between the left and right inner walls of the U-shaped frame (17), a second threaded rod (22) is rotatably connected between the fixed plate (21) and the rear wall of the U-shaped frame (17), a second motor (19) is mounted on the rear wall of the U-shaped frame (17), an output shaft of the second motor (19) is fixedly connected with the second threaded rod (22), a movable plate (20) is in threaded connection with the rod wall of the second threaded rod (22), and the movable plate (20) is in sliding connection with the inner wall of the U-shaped frame (17).

5. The fixture for lithium battery test according to claim 4, wherein two symmetrically arranged connecting rods (18) are fixedly connected between the rear wall of the U-shaped frame (17) and the fixed plate (21), and the connecting rods (18) are slidably connected with the movable plate (20).

6. The fixture for lithium battery test according to claim 4, wherein the bottom of the movable plate (20) is fixedly connected with a supporting plate (16), each group of supporting plates (16) penetrates through the fixed plate (21), each group of supporting plates (16) is slidably connected with the fixed plate (21), each group of supporting plates (16) is located above the horizontal line of the first threaded rod (3), and one side, adjacent to the first clamping plate (5), the second clamping plate (7), the third clamping plate (8) and the fourth clamping plate (9), is fixedly connected with a protection pad (6).