CN216559517U

CN216559517U - Battery cover DGU tightness test tool

Info

Publication number: CN216559517U
Application number: CN202122627669.1U
Authority: CN
Inventors: 王家刚; 朱东泽; 谢亚波
Original assignee: Laoshiling Auto Parts Shenyang Co ltd
Current assignee: Laoshiling Auto Parts Shenyang Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-17
Anticipated expiration: 2031-10-29

Abstract

A testing tool for the tightness of a battery cover DGU belongs to the technical field of new energy automobile battery covers. The battery cover clamping device comprises a main component, wherein a plugging cylinder is fixedly connected to the middle of the main component in a penetrating mode, a plugging mechanism is connected with a piston rod of the plugging cylinder, clamping mechanisms capable of clamping a battery cover are arranged at two ends of one side, located on the plugging mechanism, of the main component, and the plugging mechanism is located on the inner side of the clamping mechanisms. The DGU sealing test tool for the battery cover cap can fix the battery cover cap through the clamping mechanism and the plugging mechanism and plug the DGU, so that the reliability of a test process is improved.

Description

Battery cover DGU tightness test tool

Technical Field

The utility model relates to the technical field of new energy automobile battery covers, in particular to a DGU tightness testing tool for a battery cover.

Background

The battery cover of the new energy automobile is a main component of the new energy automobile battery. The exhaust valve (DGU) of the battery cover serves as a protective element of the battery box assembly, and the safety and stability of the battery cover play an important role in reliable operation of the new energy automobile. Therefore, a high demand is placed on the tightness test of the battery cover vent valve (DGU), both to ensure the tightness of the battery cover and to ensure the reliability of the safety function of the DGU. For the product itself, the difficulty of the air tightness test of the DGU is higher than that of the common conventional product.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tightness testing tool for a battery cover DGU (DGU) of a new energy automobile battery, which aims to test the tightness of the battery cover DGU of the new energy automobile battery.

The specific technical scheme of the utility model is as follows:

the utility model provides a battery shroud DGU leakproofness test fixture, includes the main component, runs through main component fixedly connected with shutoff cylinder in the intermediate position of main component, and shutoff mechanism is connected with the piston rod of shutoff cylinder, and one side both ends that the main component is located shutoff mechanism are provided with the armful of clamp mechanism that can the centre gripping battery shroud, and shutoff mechanism is located the inboard of armful clamp mechanism.

Furthermore, the plugging mechanism comprises a plugging plate, one side of the plugging plate is connected with the plugging cylinder, and a plugging sealing gasket is arranged on the other side of the plugging plate.

Further, two ends of the plugging plate are provided with pulleys.

Furthermore, the clamping mechanism comprises a clamping claw with one end hinged with the main member, and the lower end of one side, hinged with the main member, of the clamping claw is connected with the main member through a tension spring.

Further, a pulley groove is arranged on one side, located on the plugging mechanism, of the clamping claw.

Furthermore, guide rods which penetrate through the main component and can slide in the main component are arranged at symmetrical positions on two sides of the plugging air cylinder, and one ends of the guide rods are connected with the plugging plate.

Furthermore, the outer wall of the plugging cylinder is provided with a position sensor for measuring the position of a piston magnetic ring of the plugging cylinder.

Furthermore, the number of the position sensors is two, and the position sensors are arranged in the positive direction and the negative direction.

The utility model has the beneficial effects that:

the DGU sealing test tool for the battery cover cap can fix the battery cover cap through the clamping mechanism and the plugging mechanism and plug the DGU, so that the reliability of a test process is improved.

Drawings

Fig. 1 is a schematic structural diagram of a battery cover DGU tightness testing tool.

Wherein: 1. a main member; 2. plugging the air cylinder; 3. a plugging mechanism; 301. a plugging plate; 302. sealing gaskets; 303. a pulley; 4. a clamping mechanism; 401. a gripper jaw; 401a, sheave grooves; 402. a tension spring; 5. a guide bar; 6. a position sensor.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings. In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings.

In the technical scheme of the utility model, unless otherwise specifically stated, terms such as "mounting", "setting", "connecting", "fixing", and the like, are to be understood in a broad sense, and can be understood as fixedly connected or detachably connected and the like according to the specific technical scheme, and a person skilled in the art can understand the specific meaning of the terms according to the specific situation involved in the technical scheme.

The DGU tightness testing tool for the battery cover cap shown in the figure 1 comprises a main component 1 for providing mounting positions and supports for all functional parts, a plugging cylinder 2 which is fixedly connected with the main component and provides plugging force penetrates through the middle position of the main component 1, a plugging mechanism 3 playing a plugging role is connected with a piston rod of the plugging cylinder 2, therefore, the plugging cylinder 2 can drive the plugging mechanism 3 to plug an exhaust valve of the battery cover cap, clamping mechanisms 4 capable of clamping the battery cover cap are arranged at two ends of one side, located on the plugging mechanism 3, of the main component 1, and the plugging mechanism 3 is located on the inner side of the clamping mechanisms 4.

In the above technical solution, the plugging mechanism 3 includes a plugging plate 301 having one side connected to the plugging cylinder 2, a rubber gasket 302 for plugging the exhaust valve of the battery cover is disposed on the other side of the plugging plate 301, and pulleys 303 are disposed at two ends of the plugging plate 301.

The clamping mechanism 4 comprises clamping claws 401, one ends of which are hinged with the main member 1 and symmetrically arranged on two sides of the main member 1 and used for clamping the battery cover, tension springs 402 connected with the main member 1 on the inner side of the clamping mechanism 4 are arranged at positions, close to roots, of the clamping claws 401, one side, located on the plugging mechanism 3, of the clamping claws 401 is provided with pulley grooves 401a, and one side, close to the main member 1, of the pulley grooves 401a is in a slope shape. Through the arrangement, when the plugging cylinder 2 drives the plugging mechanism 3 to move left and right, the pulleys 303 at the two ends of the plugging mechanism 3 can smoothly enter and exit the pulley groove 401 a. When the pulleys 303 at the two ends of the plugging mechanism 3 slide into the pulley grooves 401a, the clamping claws 401 at the two ends of the main member 1 can clamp the battery cover under the action of the tension spring 402.

In the technical solution, the clamping claws 401, the blocking plate 301 and the sealing gasket 302 can be selected according to the specific structure of the battery cover and the exhaust valve to be clamped in practical application.

In order to make the plugging cylinder 2 stably push the plugging mechanism 3 to move, guide rods 5 which penetrate through the main member 1 and can slide in the main member 1 are arranged at symmetrical positions on two sides of the plugging cylinder 2, and one ends of the guide rods 5 are connected with a plugging plate 301.

In addition, in order to ensure the consistency of the plugging position in each test, the plugging cylinder 2 is a CDQ2A40-25DZ type cylinder with a piston provided with a magnetic ring SMC, a magnetic position sensor 6 for measuring the position of the magnetic ring of the piston of the plugging cylinder is arranged on the outer wall of the plugging cylinder 2, and specifically, the position sensor 6 is a D-M9P type magnetic position sensor of the SMC. In consideration of the accuracy of measurement, the position sensors 6 may be provided in two, and the two sensors are provided in the two opposite directions along the axial direction of the plugging cylinder, i.e., in the opposite direction in fig. 1.

Claims

1. The utility model provides a battery cover DGU leakproofness test fixture which characterized in that: the battery cover clamping device comprises a main component (1), wherein a plugging cylinder (2) is fixedly connected to the main component in a penetrating mode at the middle position of the main component (1), a plugging mechanism (3) is connected with a piston rod of the plugging cylinder (2), clamping mechanisms (4) capable of clamping a battery cover are arranged at two ends of one side, located on the plugging mechanism (3), of the main component (1), and the plugging mechanism (3) is located on the inner side of the clamping mechanisms (4).

2. The battery cover DGU tightness testing tool of claim 1, wherein: the plugging mechanism (3) comprises a plugging plate (301) with one side connected with the plugging cylinder (2), and a plugging sealing gasket (302) is arranged on the other side of the plugging plate (301).

3. The battery cover DGU tightness testing tool of claim 2, wherein: pulleys (303) are arranged at two ends of the plugging plate (301).

4. The battery cover DGU tightness testing tool set forth in claim 3, wherein: the holding and clamping mechanism (4) comprises a clamping claw (401) with one end hinged with the main member (1), and the lower end of one side, hinged with the main member (1), of the clamping claw (401) is connected with the main member (1) through a tension spring (402).

5. The battery cover DGU tightness testing tool of claim 4, wherein: one side of the clamping claw (401) positioned on the plugging mechanism (3) is provided with a pulley groove (401 a).

6. The battery cover DGU tightness testing tool of claim 1, wherein: guide rods (5) which penetrate through the main component (1) and can slide in the main component (1) are arranged at symmetrical positions on two sides of the plugging cylinder (2), and one ends of the guide rods (5) are connected with the plugging plate (301).

7. The battery cover DGU tightness testing tool set forth in any one of claims 1 to 6, wherein: and a position sensor (6) for measuring the position of a piston magnetic ring of the plugging cylinder is arranged on the outer wall of the plugging cylinder (2).

8. The battery cover DGU tightness testing tool of claim 7, wherein: the number of the position sensors (6) is two, and the position sensors are arranged in the positive direction and the negative direction.