CN216954998U

CN216954998U - Battery package gas tightness check out test set

Info

Publication number: CN216954998U
Application number: CN202122648704.8U
Authority: CN
Inventors: 王磊
Original assignee: Nixun Shanghai Technology Co ltd
Current assignee: Nixun Shanghai Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-07-12
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a battery pack airtightness detection device which comprises a test box, wherein a movable opening is formed in the upper end face of the test box, a movable column is connected in the movable opening in a sealing and sliding mode, scales are arranged on the outer wall of the movable column, an opening is formed in the upper end face of the test box, a lifting box is arranged in the opening, a stretching ring is arranged on the upper end face of the lifting box, and a sealing mechanism matched with the opening is arranged on the outer wall of the lifting box. According to the utility model, the test box, the lifting box and the placing groove are arranged, the battery pack can be integrated with the lifting box through the placing groove, the lifting box is pressed down by the stretching ring to enter the test box, the inflation equipment is placed by the air inlet to inflate the interior of the battery pack, and once the air tightness of the battery pack is insufficient, gas can overflow into the test box, so that the movable column is jacked up, the air tightness of the battery pack can be intuitively known by observing the praying of the movable column, and the device is intuitive and practical in detection process.

Description

Battery package gas tightness check out test set

Technical Field

The utility model relates to the technical field of battery pack detection equipment, in particular to battery pack air tightness detection equipment.

Background

The battery pack needs to have certain air tightness to be normally used, so the air tightness of the battery pack needs to be detected on a production line after the battery pack is produced.

The air pump is often utilized to fill gas into the battery pack in the prior art, and then the change value of the internal air pressure of the battery pack is observed by means of the valve equipment, so that air holes are formed in the battery pack when the battery pack is known, the quality of the battery pack is obtained, strict air tightness is required to be guaranteed at the joint of the valve equipment and the battery pack in the technology, otherwise, final detection and result are affected, the mode is uncertain, whether gas leaks or not can not be visually observed, and the process is complicated and not beneficial to rapid detection of a production line.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a battery pack air tightness detection device.

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

the utility model provides a battery package gas tightness check out test set, includes the test box, the test box up end is equipped with the expansion mouth, sealed sliding connection has the activity post in the expansion mouth, activity post outer wall is equipped with the scale, the test box up end is equipped with the opening, be equipped with the lifting box in the opening, the lifting box up end is equipped with tensile ring, the lifting box outer wall is equipped with the sealing mechanism with opening complex, the lifting box lateral wall is equipped with the standing groove, the test box lateral wall be equipped with lifting box complex inflation inlet, the standing groove inner wall is fixed with places the net, it is equipped with the fixed network to place the net top, the standing groove inner wall is equipped with the lifting groove, the lifting groove internal rotation is connected with the threaded rod, the fixed network passes through coupling mechanism and is connected with the threaded rod, the lifting box up end is equipped with the actuating mechanism who is connected with the threaded rod.

Preferably, the sealing mechanism comprises a sealing ring fixed on the outer wall of the lifting box, and a sealing groove matched with the sealing ring is arranged in the opening.

Preferably, the connecting mechanism comprises a nut which is in threaded connection with the outer wall of the threaded rod, and the outer wall of the fixing net is fixedly connected with the outer wall of the nut.

Preferably, the driving mechanism comprises a driving motor arranged on the upper end surface of the lifting box, and the end part of an output shaft of the driving motor is fixedly connected with the tail end of the threaded rod.

Preferably, the opposite side walls of the placing net and the fixing net are provided with protection pads, the protection pads are made of rubber materials, and the protection pads are provided with a plurality of round holes.

Preferably, the test box lateral wall is equipped with the viewing aperture, be equipped with the transparent toughened glass who is convenient for observe in the viewing aperture.

The utility model has the beneficial effects that:

1. through setting up test box, lift box and standing groove, can be as an organic whole through standing groove and lift box with the battery package, recycle tensile ring and push down in the lift box gets into the test box, put into aeration equipment and aerify battery package inside utilizing the air inlet, in case the gas tightness of battery package is not enough then gaseous can spill over to the test box in to jack up the activity post, through observing the gas tightness that prays for good fortune of activity post can audio-visually know the battery package, the device testing process is directly perceived and practical.

2. Through setting up coupling mechanism and actuating mechanism, place the battery package in the standing groove and be located the fixed network and place between the net, utilize driving motor to drive the threaded rod and rotate to utilize the nut to drive the fixed network and descend the clamping function who realizes the battery package, thereby guarantee the stability of battery package in the testing process.

Drawings

Fig. 1 is a schematic overall three-dimensional structure diagram of a battery pack airtightness detection apparatus according to the present invention;

fig. 2 is a schematic perspective view of a lifting box of the air tightness detection device for a battery pack according to the present invention;

fig. 3 is a schematic view of a threaded rod structure of a battery pack airtightness detection apparatus according to the present invention.

In the figure: the device comprises a test box 1, a movable column 2, an inflation inlet 3, an observation port 4, a lifting box 5, a sealing groove 6, a sealing ring 7, a driving motor 8, a stretching ring 9, a placing groove 10, a placing net 11, a fixing net 12, a lifting groove 13, a threaded rod 14 and a nut 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-3, a battery package gas tightness check out test set, including test box 1, 1 up end of test box is equipped with the movable opening, sealed sliding connection has movable post 2 in the movable opening, 2 outer walls of movable post are equipped with the scale, 1 up end of test box is equipped with the opening, be equipped with lifting box 5 in the opening, 5 up end of lifting box is equipped with

tensile ring

9, 5 outer walls of lifting box are equipped with opening complex sealing mechanism, sealing mechanism is including the sealing ring 7 that is fixed in 5 outer walls of lifting box, be equipped with in the opening with sealing ring 7 complex seal groove 6, sealing ring 7 mutually supports with seal groove 6, guaranteed after 5 descends the lifting box and the test box 1 between be connected the leakproofness.

5 lateral walls of lift box are equipped with standing groove 10, 1 lateral wall of test box is equipped with 5 complex inflation inlet 3 of lift box, standing groove 10 inner wall is fixed with places net 11, it is equipped with fixed network 12 to place net 11 top, standing groove 10 inner wall is equipped with lift groove 13, the internal rotation of lift groove 13 is connected with threaded rod 14, fixed network 12 is connected with threaded rod 14 through coupling mechanism, coupling mechanism includes threaded connection in the nut 15 of 14 outer walls of threaded rod, 12 outer walls of fixed network and 15 outer wall fixed connection of nut, when threaded rod 14 rotated, its outer wall threaded connection's nut 15 can drive fixed network 12 and go up and down in standing groove 10, accomplish fixedly and remove the fixed to the battery package, thereby guarantee the stability of battery package in the testing process.

The upper end face of the lifting box 5 is provided with a driving mechanism connected with the threaded rod 14, the driving mechanism comprises a driving motor 8 arranged on the upper end face of the lifting box 5, the end part of an output shaft of the driving motor 8 is fixedly connected with the tail end of the threaded rod 14, the driving motor 8 is a power device of the equipment, and the driving motor 8 is started to drive the threaded rod 14 to rotate.

Place net 11 and 12 relative lateral walls of fixed network and all be equipped with the protection pad, the protection pad is the rubber material, is equipped with a plurality of round holes on the protection pad, places net 11 and fixed network 12 and can play extrusion fixed action to the battery package, and the protection pad of rubber material can play certain guard action, avoids the battery package shell by extrusion deformation, and the round hole enables gaseous successful discharge.

The side wall of the test box 1 is provided with an observation port 4, transparent toughened glass convenient for observation is arranged in the observation port 4, and the toughened glass of the observation port 4 and the transparent material can provide a transparent observation environment for a tester.

When the utility model is used, the lifting box 5 is lifted by the stretching ring 9, then the battery pack is placed above the placing net 11, then the driving motor 8 is started, the driving motor 8 rotates to drive the threaded rod 14 to rotate, the nut 15 in threaded connection with the outer wall of the threaded rod 14 can drive the fixing net 12 to descend in the placing groove 10 when the threaded rod 14 rotates, when the distance between the fixing net 12 and the placing net 11 is reduced, the battery pack can be extruded and fixed by the fixing net 12, the extrusion force is smaller, then the battery pack can be prevented from being extruded and deformed by matching with a protective pad made of rubber materials, then the lifting box 5 is inserted into the notch by the stretching ring 9, then the inflation equipment is placed into the opening through the inflation inlet 3, and the end part of the inflation equipment is inserted into the battery pack, the process can ensure the tightness of the connection part of the inflation equipment and the battery pack and the inflation inlet 3, after the gas in the battery pack is inflated, once the gas in the battery pack is insufficient in tightness, the gas can leak to the test box 1, finally, the air pressure in the test box 1 is changed, the movable column 2 is jacked up, and the condition of the battery pack can be intuitively known through the fluctuation of the movable column 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The battery pack air tightness detection device comprises a test box (1) and is characterized in that a movable opening is formed in the upper end face of the test box (1), a movable column (2) is connected in the movable opening in a sealing and sliding mode, scales are arranged on the outer wall of the movable column (2), an opening is formed in the upper end face of the test box (1), a lifting box (5) is arranged in the opening, a stretching ring (9) is arranged on the upper end face of the lifting box (5), a sealing mechanism matched with the opening is arranged on the outer wall of the lifting box (5), a placing groove (10) is formed in the side wall of the lifting box (5), an inflation inlet (3) matched with the lifting box (5) is formed in the side wall of the test box (1), a placing net (11) is fixed to the inner wall of the placing groove (10), a fixing net (12) is arranged above the placing net (11), a lifting groove (13) is formed in the inner wall of the placing groove (10), the lifting groove (13) internal rotation is connected with threaded rod (14), fixed net (12) are connected with threaded rod (14) through coupling mechanism, lifting box (5) up end is equipped with the actuating mechanism who is connected with threaded rod (14).

2. The air-tightness detection device of the battery pack according to claim 1, wherein the sealing mechanism comprises a sealing ring (7) fixed on the outer wall of the lifting box (5), and a sealing groove (6) matched with the sealing ring (7) is arranged in the opening.

3. The air-tightness detection device of the battery pack according to claim 1, wherein the connection mechanism comprises a nut (15) screwed to an outer wall of the threaded rod (14), and an outer wall of the fixing net (12) is fixedly connected with an outer wall of the nut (15).

4. The air-tightness detection device for the battery pack according to claim 1, wherein the driving mechanism comprises a driving motor (8) disposed on the upper end surface of the lifting box (5), and the end of the output shaft of the driving motor (8) is fixedly connected with the end of the threaded rod (14).

5. The air-tightness detection device of the battery pack according to claim 1, wherein the opposite side walls of the placing net (11) and the fixing net (12) are provided with a protection pad, the protection pad is made of rubber, and the protection pad is provided with a plurality of round holes.

6. The air tightness detection device of the battery pack according to claim 1, wherein the side wall of the test box (1) is provided with a viewing port (4), and transparent tempered glass for convenient viewing is arranged in the viewing port (4).