CN219736715U - Airtight detection frock of battery package box - Google Patents

Abstract

The utility model discloses a battery pack box airtight detection tool, which relates to the technical field of air leakage detection and comprises the following components: at least one hold-down mechanism (1), liquid storage pot (2) and scribble bubble liquid device (3), liquid storage pot (2) fixed connection scribble bubble liquid device (3) on scribbling bubble liquid device (1), scribble bubble liquid device fixed connection on at least one hold-down mechanism (1), at least one hold-down mechanism (1) drive scribble bubble liquid device (3) pushes down, scribble bubble liquid device (3) press on the welding seam that is battery package box (4) of back-off state, and liquid in liquid storage pot (2) flows into scribbles bubble liquid device (3), scribbles bubble liquid device (3) with liquid on the welding seam of waiting to detect battery package box (4). The utility model replaces manual operation of coating bubble liquid on all welding seams at one time, reduces repeated labor of spraying bubble liquid by workers, and saves working hours and bubble liquid.

Description

Airtight detection frock of battery package box

Technical Field

The utility model relates to the technical field of air leakage detection, in particular to an air tightness detection tool for a battery pack box body.

Background

At present, the airtight detection of the battery pack box body needs to compress the box body firstly, then spray bubble liquid along all welding seams manually to find leakage points, and spray bubble liquid along all welding seams manually, and the operation of spraying bubble liquid is repeated every time one box body is tested. Thus, the repeated labor consumes labor hour and bubble liquid, and the working efficiency is low.

Disclosure of Invention

The utility model aims at: the sponge is fixed on a pressure rod of the airtight tool by absorbing bubble liquid by using a substance similar to the sponge, the box body is pressed down along with the pressure rod, and the sponge is forced to smear bubble liquid to all welding seams at one time, so that the airtight tool replaces manual work.

The technical scheme of the utility model is as follows: the utility model provides a airtight detection frock of battery package box, include: the device comprises at least one pressing mechanism 1, a liquid storage tank 2 and a bubble coating liquid device 3, wherein the liquid storage tank 2 is fixedly connected to the bubble coating liquid device 3, the bubble coating liquid device is fixedly connected to the at least one pressing mechanism 1, the at least one pressing mechanism 1 drives the bubble coating liquid device 3 to press downwards, the bubble coating liquid device 3 is pressed on a welding seam of a battery pack box body 4 in a reverse buckling state, liquid in the liquid storage tank 2 flows into the bubble coating liquid device 3 through a hole at the bottom of the liquid storage tank 2, and the liquid is coated on the welding seam of the battery pack box body 4 to be detected through the bubble coating liquid device 3.

In any of the above technical solutions, further, the pressing mechanism includes a pressing rod 11, a pressing plate 12, a plurality of gaskets 13 and a plurality of rubber blocks 14, the pressing rod 11 is fixedly connected with the pressing plate 12, and the gaskets 13 and the rubber blocks 14 are fixed at four corners of the pressing plate 12 through screws 15.

In any of the above solutions, further, the bubble coating liquid device 3 is fixedly connected to the pressing plate 13 of the pressing mechanism 1 through bolts 16.

In any of the above solutions, further, the bubble coating device 3 includes a bracket 31 and a sponge body 32, the sponge body 32 is adhered to the lower surface of the bracket 31, the upper surface of the bracket 31 has a plurality of mutually communicated grooves 311, the grooves 311 are distributed with drip irrigation holes 312, and the liquid in the liquid storage tank 2 flows into the grooves 311 and flows into the sponge body 32 on the lower surface through the drip irrigation holes 312 distributed in the grooves 311.

In any of the above technical solutions, further, the airtight detection tool further includes an external power device, where the external power device acts on the pressing mechanism 1, so that the pressing mechanism 1 drives the bubble coating liquid device 3 to press down, and further the sponge contacts with the welding seam of the battery pack box body 4 to be detected.

The beneficial effects of the utility model are as follows:

1. when the external driving pressing mechanism presses down the Chi Baoxiang body, the bubble coating liquid device presses down on the welding line of the box body along with the pressing mechanism, so that the operation of coating bubble liquid on all welding lines at one time is replaced by manual work, the repeated labor of spraying the bubble liquid by workers is reduced, and the working time and the bubble liquid are saved;

2. the bubbles are easy to develop when the foam is pressed on the leakage point by using a sponge-like substance.

Drawings

The advantages of the foregoing and/or additional aspects of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is an exploded view of a battery pack case airtight detection tool according to an embodiment of the present utility model;

FIG. 2 is a block diagram of a bubble bath apparatus according to one embodiment of the present utility model;

FIG. 3 is a block diagram of a hold-down mechanism according to one embodiment of the utility model;

fig. 4 is a schematic diagram of a battery pack case airtight detection tool according to an embodiment of the present utility model in operation.

Wherein, the device comprises a 1-pressing mechanism, a 2-liquid storage tank, a 3-bubble coating liquid device, a 4-battery pack box body,

11-compression bar, 12-compression plate, 13-gasket, 14-rubber block, 15-screw, 16-bolt, 31-bracket, 32-cavernous body, 311-groove, 312-drip irrigation hole, 313-groove junction, 41-welding seam of bottom surface of battery pack box body, 42-welding seam of side surface of battery pack box body.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and the scope of the utility model is therefore not limited to the specific embodiments disclosed below.

As shown in fig. 1, this embodiment provides a battery pack case airtight detection tool, and the airtight detection tool includes: the battery pack box body 4 to be detected is provided with a welding line 41 on the bottom surface of the box body and a welding line 42 on the side surface of the box body.

Referring to fig. 2, the bubble coating device 3 comprises a bracket 31 and a sponge body 32, wherein the sponge body 32 is adhered to the lower surface of the bracket 31, a plurality of grooves 311 which are mutually communicated are formed on the upper surface of the bracket 31, drip irrigation holes 312 are distributed in the grooves 311, and the liquid in the liquid storage tank 2 flows into the grooves 311 through holes in the bottom of the liquid storage tank 2 and flows into the sponge body 32 on the lower surface through the drip irrigation holes 312 distributed in the grooves 311. In some embodiments, the grooves may be replaced with water lines or the like for transporting the bubble liquid. The design of the groove enables the liquid in the liquid storage tank 2 to flow to each section of welding seam on the battery pack box body 4 to be detected, whether the welding seam leaks air or not can be detected efficiently, and the design of the drip irrigation holes 312 can save the liquid and reduce the cost.

The liquid storage tank 2 may be used for storing bubble liquid, and the bottom of the liquid storage tank 2 may be in contact with the bubble liquid coating device 3, and may be fixedly connected, for example, welded, or may be placed on the bubble liquid coating device 3, and by fixing with a screw, the bottom of the liquid storage tank 2 has a hole, so that the bubble liquid in the liquid storage tank 2 flows into the groove 311 of the bubble liquid coating device 3 from the hole.

The bubble coating device comprises a liquid storage tank 2, at least one pressing mechanism 1, a bubble coating liquid device 3 and a liquid bubble coating liquid device 3, wherein the liquid storage tank 2 is fixedly connected to the bubble coating liquid device 3, the bubble coating liquid device is fixedly connected to the at least one pressing mechanism 1, the at least one pressing mechanism 1 drives the bubble coating liquid device 3 to press down, the bubble coating liquid device 3 is pressed on a welding seam of a battery pack box body 4 in a reverse buckling state, liquid bubble liquid in the liquid storage tank 2 flows into the bubble coating liquid device 3, and liquid is coated on the welding seam of the battery pack box body 4 to be detected through the bubble coating liquid device 3.

Referring to fig. 3, the pressing mechanism includes a pressing rod 11, a pressing plate 12, a plurality of gaskets 13 and a plurality of rubber blocks 14, the pressing rod 11 is fixedly connected with the pressing plate 12, the gaskets 13 and the rubber blocks 14 can be hexagonal screws through screws 15, pass through counter bores on the rubber blocks and holes on the gaskets from bottom to top, are installed in screw holes on the pressing plate, and fix the rubber blocks and the gaskets on the pressing plate at four corners of the pressing plate 12. The bubble coating liquid device 3 and the pressing plate 13 of the pressing mechanism 1 pass through holes on the bracket from bottom to top through bolts 16 and are arranged in screw holes on the pressing plate to fix the bracket on the pressing plate. Because the gasket 13 and the rubber block 14 are fixed on the pressing plate 12 through the screws 15, the height difference between the bottom surface of the rubber block and the bottom surface of the sponge body can be adjusted by reducing or increasing the gasket 13, so that when the sponge body is pressed down along with the pressing mechanism 1 to press the battery pack box body 4 to be detected, the sponge body can be pressed on the welding seam of the box body according to a certain compression amount, so that the air leakage point can generate air bubbles, the accurate position of air leakage can be indicated, and in practical application, the sponge body can generate air bubbles more easily and is easier to observe.

The airtight detection tool further comprises external power equipment such as an air cylinder, the power equipment is used for controlling the pressing mechanism 1 to lift, the pressing mechanism 1 drives the bubble coating liquid device 3 to press down the box body, and then the sponge body is in contact with the welding seam of the battery pack box body 4 to be detected. Referring to fig. 4, when the pressing mechanism 1 is stressed, the bubble coating liquid device 3 is pressed towards the battery pack box body 4 to be detected, and when the rubber blocks 14 at four corners of the bubble coating liquid device 3 contact the battery pack box body 4 to be detected, the pressing is stopped, at this time, the sponge body 32 of the bubble coating liquid device 3 is contacted with the welding seam of the battery pack box body 4 to be detected, if the welding seam leaks, bubbles are generated at the contact position of the sponge body and the box body 4, and the air tightness detection of the multi-section welding seam is realized due to the fact that the multi-section welding seam is contacted simultaneously. In addition, as the rubber block 14 is softer, the rubber block 14 is contacted with the battery pack box 4 to be detected, so that the battery pack box 4 to be detected can be prevented from being damaged.

In the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The shapes of the various components in the drawings are illustrative, and do not exclude certain differences from the actual shapes thereof, and the drawings are merely illustrative of the principles of the present utility model and are not intended to limit the present utility model.

Although the utility model has been disclosed in detail with reference to the accompanying drawings, it is to be understood that such description is merely illustrative and is not intended to limit the application of the utility model. The scope of the utility model is defined by the appended claims and may include various modifications, alterations and equivalents of the utility model without departing from the scope and spirit of the utility model.

Claims (5)

1. The utility model provides a airtight detection frock of battery package box, its characterized in that, airtight detection frock includes: at least one hold-down mechanism (1), liquid storage pot (2) and scribble bubble liquid device (3), liquid storage pot (2) fixed connection scribbles bubble liquid device (3) on scribbling bubble liquid device (1), scribble bubble liquid device fixed connection on at least one hold-down mechanism (1), at least one hold-down mechanism (1) drive scribble bubble liquid device (3) pushes down, scribble bubble liquid device (3) press on the welding seam of battery package box (4) that are the back-off state, liquid in liquid storage pot (2) is passed through the hole inflow of liquid storage pot (2) bottom scribble bubble liquid device (3), through scribble bubble liquid device (3) scribble liquid on the welding seam of waiting to detect battery package box (4).

2. The battery pack box airtight detection tool according to claim 1, wherein the pressing mechanism comprises a pressing rod (11), a pressing plate (12), a plurality of gaskets (13) and a plurality of rubber blocks (14), the pressing rod (11) is fixedly connected with the pressing plate (12), and the gaskets (13) and the rubber blocks (14) are fixed at four corners of the pressing plate (12) through screws (15).

3. The battery pack box airtight detection tool according to claim 2, wherein the bubble liquid coating device (3) is fixedly connected with a pressing plate (13) of the pressing mechanism (1) through bolts (16).

4. The battery pack box airtight detection tool according to claim 1, wherein the bubble coating liquid device (3) comprises a bracket (31) and a sponge body (32), the sponge body (32) is adhered to the lower surface of the bracket (31), a plurality of mutually communicated grooves (311) are formed in the upper surface of the bracket (31), drip irrigation holes (312) are distributed in the bottom surface (311) of the grooves, and liquid in the liquid storage tank (2) flows into the grooves (311) and flows into the sponge body (32) on the lower surface through the drip irrigation holes (312) distributed in the grooves (311).

5. The battery pack case airtight detection tool according to claim 4, further comprising an external power device, wherein the external power device acts on the pressing mechanism (1), so that the pressing mechanism (1) drives the bubble coating liquid device (3) to press downwards, and the sponge contacts with a welding seam of the battery pack case (4) to be detected.