CN213985554U

CN213985554U - Air tightness detection device for lithium battery pack box

Info

Publication number: CN213985554U
Application number: CN202022371016.7U
Authority: CN
Inventors: 郁永方; 葛微子; 安中育
Original assignee: Suzhou Xinruiqi Metal Technology Co ltd
Current assignee: Suzhou Xinruiqi Metal Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-08-17
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a lithium battery package box body air tightness detection device, detection cabin bottom and bottom plate top fixed connection, the inlet opening sets up the inlet tube, the apopore sets up the outlet pipe, the bottom plate bottom sets up the water tank, water tank one end and inlet tube fixed connection, the other end and outlet pipe fixed connection, the inlet port sets up air inlet unit, air inlet unit is used for gas injection box in, the detection cabin is inside to set up box body lifting mechanism, box body lifting mechanism is used for lifting the box body, inlet tube one end passes the inlet port, the other end and first cylinder output end fixed connection, cylinder backup pad one end and first cylinder fixed connection, the other end and bottom plate fixed connection, set up the water pump between inlet tube and the water tank; the utility model discloses a set up air inlet unit and make and continuously increase the atmospheric pressure in the box through air inlet unit automatically when lithium battery package box gas tightness detects, reduce workman manually operation step, the workman only need put the piece and get the piece.

Description

Air tightness detection device for lithium battery pack box

Technical Field

The utility model relates to an air tightness detects technical field, concretely relates to lithium cell battery package box air tightness detection device.

Background

Most of existing methods for detecting the air tightness of the lithium battery pack box are manual detection and manual carrying, inflation operation and observation operation are often carried out simultaneously in the manual detection process, workers are required to carry out multiple operations at the same time, risks are easily caused for distraction, and operation steps of the workers are reduced when the air tightness of the lithium battery pack box is detected.

Disclosure of Invention

An object of the utility model is to provide a lithium battery package box gas tightness detection device to when solving among the prior art and detecting lithium battery package box gas tightness, workman's operating procedure is many, easy distracted problem.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme: the air tightness detection device for the lithium battery pack box is characterized by comprising a bottom plate and a detection cabin, wherein the bottom end of the detection cabin is fixedly connected with the top end of the bottom plate, the side wall of the detection cabin is provided with a water inlet hole, a water outlet hole and a water inlet hole, the water inlet hole is provided with a water inlet pipe, the water outlet hole is provided with a water outlet pipe, the bottom end of the bottom plate is provided with a water tank, one end of the water tank is fixedly connected with the water inlet pipe, the other end of the water tank is fixedly connected with the water outlet pipe, the air inlet hole is provided with an air inlet device, the air inlet device is used for injecting gas into the box body, a box body lifting mechanism is arranged inside the detection cabin and is used for lifting the box body, the air inlet device comprises an air inlet pipe, a first air cylinder and an air cylinder supporting plate, one end of the air inlet pipe penetrates through the air inlet hole, the other end of the air inlet pipe is fixedly connected with the output end of the first air cylinder, one end of the air cylinder supporting plate is fixedly connected with the first air cylinder, the other end is fixedly connected with the bottom plate, and a water pump is arranged between the water inlet pipe and the water tank.

Preferably, the air tightness detection device for the lithium battery pack box is characterized in that the box lifting mechanism comprises a supporting plate, a support and a telescopic cylinder, the support is arranged at two ends of the supporting plate, the bottom end of the support is fixedly connected with the detection cabin, a sliding groove is arranged at the top end of the support, the supporting plate is provided with a convex block matched with the sliding groove, and the convex block is in sliding connection with the sliding groove; the bottom end of the supporting plate is fixedly connected with the output end of the telescopic cylinder.

Preferably, the air tightness detection device for the lithium battery pack box is characterized in that a limiting plate matched with the box body is arranged at the top end of the supporting plate.

Preferably, the air tightness detection device for the lithium battery pack box is characterized in that a limiting block is further arranged at the top end of the support and fixedly connected with the support.

Preferably, the air tightness detection device for the lithium battery pack box is characterized in that a waterproof sleeve is arranged between the air inlet pipe and the detection cabin.

Preferably, the air tightness detection device for the lithium battery pack box is characterized in that a plurality of fixing rods and a second cylinder are arranged in the detection cabin, the second cylinder is fixedly connected with the detection cabin, and the fixing rods are fixedly connected with the output end of the second cylinder.

Preferably, the air tightness detection device for the lithium battery pack box is characterized in that an elastic rubber layer is arranged at the end part, far away from the second cylinder, of the fixing rod.

Preferably, the air tightness detection device for the lithium battery pack box is characterized in that the bottom plate is provided with a plurality of support columns.

According to the above technical scheme, the embodiment of the utility model has following effect at least: the utility model discloses a set up air inlet unit and make can continuously increase the atmospheric pressure in the box through air inlet unit automatically when lithium cell battery package box gas tightness detects, reduce workman's manual operation step, the workman only need put and get a piece; simultaneously, the supporting plate and the fixing columns can be lifted, when the detection is carried out, the supporting plate descends to leave the box body, the fixing columns fix the box body in a suspension mode in the detection cabin, and bubbles can be observed conveniently.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an embodiment of the present invention;

FIG. 3 is a schematic view of a detection chamber according to an embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of the detection cabin according to the embodiment of the present invention.

Wherein: 1-bottom plate, 2-detection cabin, 3-water inlet pipe, 4-water outlet pipe, 5-water tank, 6-supporting plate, 7-support, 8-telescopic cylinder, 9-air inlet pipe, 10-first cylinder, 11-cylinder supporting plate, 12-fixed rod, 13-second cylinder, 14-support, 15-limiting block, 16-waterproof jacket, 201-water inlet hole, 202-water outlet hole, 203-air inlet hole, 301-convex block, 302-limiting plate and 701-sliding groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 and 2, the utility model discloses a lithium battery package box gas tightness detection device, comprising a base plate 1, detect the cabin 2, bottom plate 1 sets up 4 pillars 14, set up on the bottom plate 1 and detect cabin 2, it has inlet opening 201 to detect 2 lateral walls in cabin, apopore 202 and inlet port 203, inlet opening 201 and apopore 202 set up on relative terminal surface, inlet opening 201 sets up inlet tube 3, apopore 202 sets up outlet pipe 4, 1 bottom of bottom plate is equipped with

water tank

5, 5 one end of water tank and 3 fixed connection of inlet tube, the other end and 4 fixed connection of outlet pipe, inlet port 203 sets up air inlet unit, air inlet unit is used for injecting gas into box 100 in, be used for improving the atmospheric pressure in the box 100, it lifts the mechanism to detect 2 inside boxes that set up in cabin.

The box body lifting mechanism comprises a supporting plate 6, a support 7 and a telescopic cylinder 8, wherein the support 7 is fixedly connected with the inner bottom plate of the detection cabin 2, the supporting plate 6 is fixedly connected with the upper end of the support 7, a limiting plate 602 matched with the box body 100 is arranged at the upper end of the supporting plate 6, and when the box body 100 is placed on the supporting plate 6, the limiting plate 602 is used for limiting the movement of the box body 100; the support 7 is provided with a groove 701, the two sides of the supporting plate 6 are provided with a lug 601 matched with the groove 701, the lug 601 is connected with the groove 701 in a sliding manner, the support 7 is provided with a limiting block 15 at the position where the groove 701 is formed, and the limiting block 15 is used for preventing the lug 601 on the supporting plate 6 from sliding out of the groove 701; the bottom of the telescopic cylinder 8 is fixedly connected with the detection cabin 2, the output end of the telescopic cylinder 8 is fixedly connected with the bottom of the supporting plate 6, and the telescopic cylinder 8 is used for driving the supporting plate 6 to move up and down.

The air inlet device comprises an air inlet pipe 9, a first air cylinder 10 and an air cylinder supporting plate 11, wherein the air inlet pipe 9 is fixedly connected with the air inlet hole 203, the output end of the first air cylinder 10 is fixedly connected with the air inlet pipe 9, the air cylinder supporting plate 11 is fixedly connected with the bottom plate 1, and the first air cylinder 10 is fixedly connected with the top end of the air cylinder supporting plate 11; during detection, the first cylinder 10 drives the air inlet pipe 9 to extend into the box body 100, and during workpiece taking, the first cylinder (10) drives the air inlet pipe 9 to be separated from the box body 100.

A waterproof jacket 16 is arranged between the air inlet pipe 9 and the detection chamber 2, and the waterproof jacket 16 is used for preventing liquid leakage.

A plurality of fixing rods 12 and a second cylinder 13 are arranged inside the detection cabin 2, the second cylinder 13 is fixedly connected with the inner wall of the detection cabin 2, and the fixing rods 12 are fixedly connected with the output end of the second cylinder 13; the fixing rod 12 is provided with an elastic rubber layer at an end remote from the second cylinder 13.

When the detection device is used, the box body 100 is placed on the supporting plate 6, the position of the box body 100 is limited by the limiting plate 602, the first air cylinder 10 drives the air inlet pipe 9 to enter the detection cabin 2 from the air inlet hole 203, then the air pipe 9 is inserted into the box body 100, the second air cylinder 13 drives the fixing rod 12, the fixing rod 12 props against the box body 100, the telescopic air cylinder 8 drives the supporting plate 6 to move downwards, and the supporting plate 6 leaves the box body 100; the water inlet pipe 3 pumps liquid into the detection chamber 2 through a water pump, and whether bubbles emerge from the box body 100 or not is observed during detection, if not, the air tightness is good; after the detection is finished, the water outlet pipe 4 discharges the detection cabin 2, the fixing rod 12 is separated from the box body 100, and the box body 100 is taken out.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The air tightness detection device for the lithium battery pack box body is characterized by comprising a bottom plate (1) and a detection cabin (2), wherein the bottom end of the detection cabin (2) is fixedly connected with the top end of the bottom plate (1), the side wall of the detection cabin (2) is provided with a water inlet hole (201), a water outlet hole (202) and a water inlet hole (203), the water inlet hole (201) is provided with a water inlet pipe (3), the water outlet hole (202) is provided with a water outlet pipe (4), the bottom end of the bottom plate (1) is provided with a water tank (5), one end of the water tank (5) is fixedly connected with the water inlet pipe (3), the other end of the water tank is fixedly connected with the water outlet pipe (4), the water inlet hole (203) is provided with an air inlet device, the air inlet device is used for injecting gas into the box body (100), a box body lifting mechanism is arranged inside the detection cabin (2), and the box body lifting mechanism is used for lifting the box body (100), the air inlet device comprises an air inlet pipe (9), a first air cylinder (10) and an air cylinder supporting plate (11), one end of the air inlet pipe (9) penetrates through the air inlet hole (203), the other end of the air inlet pipe is fixedly connected with the output end of the first air cylinder (10), one end of the air cylinder supporting plate (11) is fixedly connected with the first air cylinder (10), the other end of the air cylinder supporting plate is fixedly connected with the bottom plate (1), and a water pump is arranged between the water inlet pipe (3) and the water tank (5).

2. The air tightness detection device for the lithium battery pack box according to claim 1, wherein the box lifting mechanism comprises a supporting plate (6), a support (7) and a telescopic cylinder (8), the support (7) is arranged at two ends of the supporting plate (6), the bottom end of the support (7) is fixedly connected with the detection cabin (2), the top end of the support (7) is provided with a sliding groove (701), the supporting plate (6) is provided with a bump (601) matched with the sliding groove (701), and the bump (601) is slidably connected with the sliding groove (701); the bottom end of the supporting plate (6) is fixedly connected with the output end of the telescopic cylinder (8).

3. The air tightness detection device of the lithium battery pack box body as claimed in claim 2, wherein a limiting plate (602) matched with the box body (100) is arranged at the top end of the supporting plate (6).

4. The air tightness detection device for the lithium battery pack box body according to claim 2, wherein a limit block (15) is further arranged at the top end of the support (7), and the limit block (15) is fixedly connected with the support (7).

5. The air tightness detection device for the lithium battery pack box body as claimed in claim 1, wherein a waterproof jacket (16) is arranged between the air inlet pipe (9) and the detection cabin (2).

6. The air tightness detection device of the lithium battery pack box body as claimed in claim 1, wherein a plurality of fixing rods (12) and a second cylinder (13) are arranged inside the detection cabin (2), the second cylinder (13) is fixedly connected with the detection cabin (2), and the fixing rods (12) are fixedly connected with the output end of the second cylinder (13).

7. The air tightness detecting device of the lithium battery pack box as claimed in claim 6, wherein an elastic rubber layer is provided at the end of the fixing rod (12) far away from the second cylinder (13).

8. The tightness detection device of the lithium battery pack case according to claim 1, wherein the bottom plate (1) is provided with a plurality of pillars (14).