阅读说明：本技术 Pack箱的气密性测试装置 (Air tightness testing device of PACK box ) 是由 杨观生 林辉平 李文锋 赵前进 于 2021-01-12 设计创作，主要内容包括：本申请提供了一种PACK箱的气密性测试装置,PACK箱包括泄气阀,该测试装置包括：工装夹具,包括气管接头,用于固定在泄气阀上并具有进出气通道；气密性检测仪,包括进气管,进气管与气管接头对接,以通过进出气通道进行气密性测试。上述测试装置中,工装夹具固定在泄气阀上并提供进出气通道,气密性检测仪的进气管与工装夹具的气管接头对接,以通过进出气通道进行气密性测试。该测试装置将工装夹具固定在泄气阀上并将气密性检测仪的进气管与工装夹具的气管接头对接,即可进行气密性测试,相比于现有技术拆卸PACK箱的插接件并通过胶泥密封,操作简单,提高了测试效率。(The application provides an gas tightness testing arrangement of PACK case, PACK case include the release valve, and this testing arrangement includes: the tooling fixture comprises a gas pipe joint, a gas pipe joint and a gas pipe joint, wherein the gas pipe joint is fixed on the gas escape valve and is provided with a gas inlet channel and a gas outlet channel; the air tightness detector comprises an air inlet pipe, wherein the air inlet pipe is in butt joint with an air pipe connector so as to test the air tightness through an air inlet and outlet channel. Among the above-mentioned testing arrangement, frock clamp fixes on the release valve and provides the business turn over gas passage, and the intake pipe of gas tightness detector docks with frock clamp's air pipe connector to carry out the gas tightness test through business turn over gas passage. This testing arrangement fixes frock clamp on the release valve and with the intake pipe of gas tightness detector and frock clamp's air pipe connector butt joint, can carry out the gas tightness test, compares in prior art and dismantles the plug connector of PACK case and seal through the clay, and easy operation has improved efficiency of software testing.)

1. The utility model provides an air tightness testing arrangement of PACK case, PACK case includes the snuffle valve, its characterized in that, testing arrangement includes:

the tooling fixture comprises a gas pipe joint, a gas pipe joint and a gas inlet and outlet channel, wherein the gas pipe joint is used for being fixed on the gas escape valve and is provided with the gas inlet and outlet channel;

the air tightness detector comprises an air inlet pipe, wherein the air inlet pipe is in butt joint with the air pipe joint so as to carry out air tightness test through the air inlet and outlet channel.

2. The testing device of claim 1, wherein the tooling fixture comprises:

the first fixed seat is connected with the air escape valve in a matching way and comprises a first through hole;

the second fixing seat comprises an air pipe connector and a second through hole, and the air inlet and outlet channel is formed by the first through hole, the air pipe connector and the second through hole.

3. The test device as claimed in claim 2, wherein the first holder is snap-fitted to the release valve.

4. The testing device of claim 2, wherein the tooling fixture further comprises:

the sealing gasket is located between the first fixing seat and the second fixing seat and comprises a third through hole, and the third through hole is communicated with the first through hole and the second through hole respectively.

5. The test device of claim 4, wherein centers of the first through hole, the second through hole, and the third through hole are located on a same straight line.

6. The testing device of claim 4, wherein the tooling fixture further comprises a fixing member, and the sealing gasket, the first fixing seat and the second fixing seat are fixed by the fixing member to form the tooling fixture.

7. The testing device of claim 6, wherein the securing member is a bolt.

Technical Field

The application relates to the technical field of air tightness testing, in particular to an air tightness testing device of a PACK box.

Background

In the increasing demand of the market for the lithium battery PACK box, the quality requirement is higher and higher, and the PACK box is required to reach IP67 or even IP68 in many scenes. The tightness test is also an important part of the production of PACK boxes. In the air tightness test mode of the PACK box in the prior art, a socket or a pressure release valve is generally firstly detached → an air inlet pipe of an air tightness detector is inserted into a box body, and then rubber cement is used for plugging and sealing → finally the air tightness detector is used for testing. The whole process is complicated to operate, and the condition of inaccurate test also exists, as shown in fig. 1, PACK case 01 includes release valve 011 and socket 012, and socket 012 is dismantled and is inserted air inlet pipe 21 and is carried out the gas tightness test.

The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.

Disclosure of Invention

The main aim at of this application provides an air tightness testing arrangement of PACK case to solve the problem that the air tightness efficiency of testing of PACK case is low among the prior art.

According to an aspect of an embodiment of the present invention, there is provided a tightness testing device of a PACK box including a release valve, the testing device including: the tooling fixture comprises a gas pipe joint, a gas pipe joint and a gas inlet and outlet channel, wherein the gas pipe joint is used for being fixed on the gas escape valve and is provided with the gas inlet and outlet channel; the air tightness detector comprises an air inlet pipe, wherein the air inlet pipe is in butt joint with the air pipe joint so as to carry out air tightness test through the air inlet and outlet channel.

Optionally, the tooling fixture includes: the first fixed seat is connected with the air escape valve in a matching way and comprises a first through hole; the second fixing seat comprises an air pipe connector and a second through hole, and the air inlet and outlet channel is formed by the first through hole, the air pipe connector and the second through hole.

Optionally, the first fixed seat is clamped with the air release valve.

Optionally, the tooling fixture further comprises: the sealing gasket is located between the first fixing seat and the second fixing seat and comprises a third through hole, and the third through hole is communicated with the first through hole and the second through hole respectively.

Optionally, centers of the first through hole, the second through hole and the third through hole are located on the same straight line.

Optionally, the tool fixture further comprises a fixing member, and the sealing gasket, the first fixing seat and the second fixing seat are fixed by the fixing member to form the tool fixture.

Optionally, the fixing member is a bolt.

In the embodiment of the invention, in the air tightness testing device of the PACK box, the tooling fixture is fixed on the air escape valve and provides an air inlet and outlet channel, and the air inlet pipe of the air tightness detector is butted with the air pipe joint of the tooling fixture so as to test the air tightness through the air inlet and outlet channel. This testing arrangement fixes frock clamp on the release valve and with the intake pipe of gas tightness detector and frock clamp's air pipe connector butt joint, can carry out the gas tightness test, compares in prior art and dismantles the plug connector of PACK case and seal through the clay, and easy operation has improved efficiency of software testing.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

FIG. 1 is a schematic view showing a partial structure of a seal test apparatus of a PACK box of the prior art;

FIG. 2 is a schematic view showing a partial structure of a airtightness testing apparatus of a PACK box according to an embodiment of the present application;

FIG. 3 shows a schematic view of a gas tightness detector according to an embodiment of the present application;

figure 4 illustrates an exploded view of a tooling fixture according to one embodiment of the present application.

Wherein the figures include the following reference numerals:

01. a PACK box; 011. a gas release valve; 012. a socket; 10. a tooling fixture; 11. a first fixed seat; 12. a second fixed seat; 121. a gas pipe joint; 13. a gasket; 14. a fixing member; 20. an air tightness detector; 21. an air inlet pipe; 22. a display screen.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.

As described in the background art, the related art PACK box is inefficient in the air-tightness test, and in order to solve the above problems, in an exemplary embodiment of the present application, an apparatus for testing the air-tightness of a PACK box is provided.

According to an embodiment of the present application, there is provided a tightness testing device of a PACK box, as shown in fig. 2 and 3, the PACK box 01 including a release valve 011 and a receptacle 012, the testing device including:

the tooling fixture 10 comprises an air pipe joint, is used for being fixed on the air escape valve 011 and is provided with an air inlet and outlet channel;

the air tightness detector 20 comprises an air inlet pipe 21, wherein the air inlet pipe 21 is butted with the air pipe joint so as to perform an air tightness test through the air inlet and outlet channel.

Among the gas tightness testing arrangement of above-mentioned PACK case, frock clamp fixes on the snuffle valve and provides the business turn over gas passage, and the intake pipe of gas tightness detector docks with frock clamp's air pipe connector to carry out the gas tightness test through business turn over gas passage. This testing arrangement fixes frock clamp on the release valve and with the intake pipe of gas tightness detector and frock clamp's air pipe connector butt joint, can carry out the gas tightness test, compares in prior art and dismantles the plug connector of PACK case and seal through the clay, and easy operation has improved efficiency of software testing.

It should be noted that, as shown in fig. 3, the air-tightness detector 20 further includes a display screen 22, and the display screen 22 is used for setting the test parameters and displaying the test results.

In an embodiment of the present application, as shown in fig. 4, the tooling fixture 10 includes a first fixing seat 11 and a second fixing seat 12, wherein the first fixing seat 11 is connected to the snuffle valve 011 in a matching manner, and the first fixing seat 11 includes a first through hole; the second fixing base 12 includes the air pipe joint 121 and a second through hole, and the air inlet and outlet passage is formed by the first through hole, the air pipe joint and the second through hole. Specifically, above-mentioned first fixing base and above-mentioned release valve accordant connection for above-mentioned frock clamp can install at above-mentioned release valve, and the air pipe connector of above-mentioned second fixing base docks with the intake pipe, can make intake pipe and business turn over gas passage intercommunication, thereby carries out the gas tightness test.

In an embodiment of this application, above-mentioned first fixing base and above-mentioned release valve joint to above-mentioned frock clamp installation further improves efficiency of software testing, and of course, the connected mode of above-mentioned first fixing base and above-mentioned release valve is not limited to this, and other suitable connected modes can be selected to the skilled in the art personnel.

In an embodiment of the present application, as shown in fig. 4, the tooling fixture 10 further includes a sealing gasket 13, the sealing gasket 13 is located between the first fixing seat 11 and the second fixing seat 12, the sealing gasket 13 includes a third through hole, and the third through hole is respectively communicated with the first through hole and the second through hole. Specifically, above-mentioned sealed pad sets up between above-mentioned first fixing base and above-mentioned second fixing base, prevents above-mentioned frock clamp gas leakage among the test process, guarantees the accuracy of gas tightness test.

In an embodiment of the present application, centers of the first through hole, the second through hole, and the third through hole are located on the same straight line, so as to facilitate ventilation through the air inlet/outlet passage, thereby preventing the air inlet/outlet passage from being blocked.

In an embodiment of the application, as shown in fig. 4, the tooling fixture 10 further includes a fixing member 14, and the sealing gasket 13, the first fixing seat 11 and the second fixing seat 12 are fixed by the fixing member 14 to form the tooling fixture 10. Specifically, above-mentioned sealed pad, above-mentioned first fixing base and above-mentioned second fixing base are fixed through above-mentioned mounting, prevent the dislocation of three, guarantee that the business turn over gas passage is unblocked.

In an embodiment of the present application, the fixing member is a bolt. Specifically, the bolts are multiple, so that the fixing firmness is ensured, the assembly dislocation is further avoided, of course, the fixing part is not limited to the bolts, and a person skilled in the art can select other suitable fixing parts according to actual conditions.

In order to make the technical solutions of the present application more clearly understood by those skilled in the art, the technical solutions of the present application will be described below with reference to specific embodiments.

Example 1

The PACK case that awaits measuring includes release valve and socket, and the testing arrangement of this embodiment includes frock clamp, and above-mentioned frock clamp includes the air pipe connection, and above-mentioned frock clamp is used for fixing on above-mentioned release valve and has business turn over gas passage, and the gas tightness detector includes the intake pipe, and above-mentioned intake pipe docks with above-mentioned air pipe connection to carry out the gas tightness test through above-mentioned business turn over gas passage, adopt above-mentioned testing arrangement to carry out gas tightness batch test to the PACK case.

Comparative example 1

The PACK case that awaits measuring includes release valve and socket, and the testing arrangement of this embodiment includes the gas tightness detector, and above-mentioned gas tightness detector includes the intake pipe, and above-mentioned intake pipe tests through dismantling the socket, adopts above-mentioned testing arrangement to carry out gas tightness batch test to the PACK case.

As can be seen from the above test results of example 1 and comparative example 1, it took 30min to test 10 PACK boxes in example 1 and 120min to test 10 PACK boxes in comparative example 1, and the test efficiency of the test apparatus of example 1 was improved by three times as compared with the test apparatus of comparative example 1.

From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:

in the air tightness testing device of PACK case of this application, frock clamp fixes on the snuffle valve and provides business turn over gas passage, and the intake pipe of gas tightness detector docks with frock clamp's air pipe connector to carry out the gas tightness test through business turn over gas passage. This testing arrangement fixes frock clamp on the release valve and with the intake pipe of gas tightness detector and frock clamp's air pipe connector butt joint, can carry out the gas tightness test, compares in prior art and dismantles the plug connector of PACK case and seal through the clay, and easy operation has improved efficiency of software testing.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.