A welding part sealing test device

Abstract

The utility model relates to the technical field of leakage detection, and discloses a welding part sealing test device, including an air compressor and a product body to be detected, wherein the product body to be detected has a cavity integrally formed therein, the top of the product body to be detected is threadedly connected with a sealing ferrule straight-through three, the top of the sealing ferrule straight-through three is provided with a digital pressure gauge, the digital pressure gauge is connected with the sealing ferrule straight-through three through a connecting component one, the top of the product body to be detected is threadedly connected with a sealing ferrule straight-through one, and the top of the sealing ferrule straight-through one is provided with a ball valve. The utility model can not only simulate the use effect of the finished product in a relatively convenient and light manner, avoid the risk of leakage, and the replaceable joint is suitable for the detection of products of similar specifications, thereby improving the detection efficiency, but also can be operated by a single person, and the single-person operation test is 100% correct, the operation is convenient, and the product yield and unqualified areas are effectively checked.

Description

Technical Field

[0001] The utility model relates to the technical field of leakage detection, and more specifically to a welding piece sealing test device. Background Art

[0002] The sealing test after welding is a conventional inspection method for high-demand products. Usually, non-destructive testing including radiographic testing (RT), ultrasonic testing (UT), magnetic particle testing (MT), liquid penetrant testing (PT), water pressure testing, air pressure testing and other methods are used to verify the sealing of the finished welding product to meet product requirements.

[0003] Therefore, there is an urgent need for a welding parts sealing test device that can conveniently and lightly simulate the use effect of the finished product, avoid the risk of leakage, and the replaceable joints are suitable for testing products of similar specifications, so as to improve the inspection efficiency. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a welding piece sealing test device to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solutions: a welding part sealing test device, comprising an air compressor and a product body to be tested, wherein a cavity is integrally formed inside the product body to be tested, the top of the product body to be tested is threadedly connected with a sealing ferrule straight-through three, the top of the sealing ferrule straight-through three is provided with a digital pressure gauge, the digital pressure gauge is connected to the sealing ferrule straight-through three through a connecting component one, the top of the product body to be tested is threadedly connected with a sealing ferrule straight-through one, the top of the sealing ferrule straight-through one is provided with a ball valve, the ball valve is connected to the sealing ferrule straight-through one through a connecting component two, the top of the ball valve is provided with an air pressure adapter, the air pressure adapter is connected to the ball valve through a connecting component three, one end of the air pressure adapter is plugged with a PU hose, the PU hose is connected to the air compressor, one side of the product body to be tested is integrally formed with two pipes, one end of the two pipes are threadedly connected with a sealing ferrule straight-through two, and one end of the two sealing ferrule straight-throughs two is plugged with a transparent hose.

[0006] As a further solution of the utility model, the first connecting component is a pressure gauge adapter, the pressure gauge adapter is threadedly connected to the digital pressure gauge, and the pressure gauge adapter is directly connected to the sealing ferrule by three-way plug-in.

[0007] As a further solution of the utility model, the second connecting component is a connecting pipe, the connecting pipe is plugged into the ball valve, and the connecting pipe is directly plugged into the sealing sleeve.

[0008] As a further solution of the utility model, the third connecting component is an air intake pipe adapter, the air intake pipe adapter is threadedly connected to the air pressure adapter, and the air intake pipe adapter is plugged into the ball valve.

[0009] As a further solution of the utility model, the transparent hose is bent into a U shape.

[0010] As a further solution of the present invention, the accuracy grade of the digital pressure gauge is 0.1.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model detects the product by connecting a digital pressure gauge and an air compressor to the product, which can simulate the use effect of the finished product in a relatively convenient and light manner, avoid the risk of leakage, and the replaceable joint is suitable for the detection of products of similar specifications, thereby improving the detection efficiency.

[0013] 2. The utility model can be operated by a single person when testing the product, and the single-person test is 100% correct, easy to operate, and effectively checks the product yield and unqualified areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front three-dimensional structure of the utility model.

[0015] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model.

[0016] The accompanying drawings are marked as follows: 1. air compressor; 2. PU hose; 3. air pressure adapter; 4. air inlet pipe adapter; 5. ball valve; 6. connecting pipe; 7. sealing ferrule straight through 1; 8. transparent hose; 9. sealing ferrule straight through 2; 10. pipeline; 11. sealing ferrule straight through 3; 12. pressure gauge adapter; 13. digital pressure gauge; 14. product body to be tested; 15. cavity. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0018] Reference Figure 1-Figure 2The utility model provides a welding part sealing test device, including an air compressor 1 and a product body 14 to be tested, wherein a cavity 15 is integrally formed inside the product body 14 to be tested, the top of the product body 14 to be tested is threadedly connected with a sealing sleeve straight-through three 11, the top of the sealing sleeve straight-through three 11 is provided with a digital pressure gauge 13, the digital pressure gauge 13 is connected to the sealing sleeve straight-through three 11 through a connecting component one, the top of the product body 14 to be tested is threadedly connected with a sealing sleeve straight-through one 7, the top of the sealing sleeve straight-through one 7 is provided with a ball valve 5, the ball valve 5 is connected to the sealing sleeve straight-through one 7 through a connecting component two, the top of the ball valve 5 is provided with an air pressure adapter 3, the air pressure adapter 3 is connected to the ball valve 5 through a connecting component three, one end of the air pressure adapter 3 is plugged with a PU hose 2, the PU hose 2 is connected to the air compressor 1, and the product body to be tested One side of 14 is integrally formed with two pipes 10, one end of the two pipes 10 are threadedly connected with a sealing ferrule straight through 2 9, one end of the two sealing ferrule straight through 2 9 is plugged with a transparent hose 8, open the ball valve 5 to make it in a through state, and then reset the digital display to zero under no pressure to start injecting air into the product flow channel, at this time, check the pressure on the digital pressure gauge 13 shows 120psi, close the ball valve 5, and then perform a pressure holding test, after the test is completed, the PU hose 2 can be disconnected from the air pressure adapter 3, and then the next product can be repeated The test work, if the test result is within the specified range and the leakage exceeds the requirement, the re-inflated product can be put into the water tank to check the leakage point, which can simulate the use effect of the finished product more conveniently and lightly to avoid the risk of leakage. The replaceable joint is suitable for testing products of similar specifications, thereby improving the detection efficiency.

[0019] Among them, connecting component one is a pressure gauge adapter 12, which is threadedly connected to the digital pressure gauge 13, and the pressure gauge adapter 12 is plugged into the sealing sleeve straight-through three 11. Connecting component two is a connecting pipe 6, which is plugged into the ball valve 5, and the connecting pipe 6 is plugged into the sealing sleeve straight-through one 7. Connecting component three is the intake pipe adapter 4, which is threadedly connected to the air pressure adapter 3, and the intake pipe adapter 4 is plugged into the ball valve 5. The transparent hose 8 is bent into a U shape, and the accuracy grade of the digital pressure gauge 13 is 0.1.

[0020] The working principle of the utility model is as follows: install the sealing sleeve straight-through three 11 on the body 14 of the product to be tested, and then install the digital pressure gauge 13 on the sealing sleeve straight-through three 11 through the pressure gauge adapter 12, then connect the PU hose 2 with the air pressure adapter 3, connect the air pressure adapter 3 with the ball valve 5 through the air inlet pipe adapter 4, connect the ball valve 5 with the sealing sleeve straight-through one 7 through the connecting pipe 6, and then connect the sealing sleeve straight-through one 7 with the body 14 of the product to be tested, and then connect the transparent hose 8 with the two pipes 10 through the sealing sleeve straight-through two 9, and then open the ball valve 5 to make it in Through state, then return the digital display to zero under no pressure and start to inject air into the product flow channel. At this time, check that the pressure on the digital pressure gauge 13 shows 120psi, close the ball valve 5, and then perform a pressure holding test. After the test is completed, the PU hose 2 can be disconnected from the air pressure adapter 3, and then the next product can be repeated. If the test result is within the specified range and the leakage exceeds the requirement, it can be re-inflated and put into the water tank to check the leakage point of the defective product. It can simulate the use effect of the finished product more conveniently and lightly to avoid the risk of leakage. The replaceable joint is suitable for the detection of products with similar specifications, thereby improving the detection efficiency.

[0021] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0022] In the drawings of the embodiments disclosed by the present invention, only the structures related to the embodiments disclosed by the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. A welding piece sealing test device, comprising an air compressor (1) and a product body (14) to be tested, characterized in that: The body (14) of the product to be tested has a cavity (15) integrally formed therein; the top of the body (14) of the product to be tested is threadedly connected to a sealing sleeve through-hole (11); a digital pressure gauge (13) is provided on the top of the sealing sleeve through-hole (11); the digital pressure gauge (13) is connected to the sealing sleeve through-hole (11) via a connecting component one; the top of the body (14) of the product to be tested is threadedly connected to a sealing sleeve through-hole (7); a ball valve (5) is provided on the top of the sealing sleeve through-hole (7); the ball valve (5) is connected to the sealing sleeve through a connecting component two. The ball valve (5) is connected to a sleeve straight-through one (7), a pneumatic adapter (3) is provided on the top of the ball valve (5), the pneumatic adapter (3) is connected to the ball valve (5) through a connecting component three, a PU hose (2) is plugged into one end of the pneumatic adapter (3), and the PU hose (2) is connected to the air compressor (1), one side of the body (14) of the product to be tested is integrally formed with two pipes (10), one end of the two pipes (10) are threadedly connected to a sealing sleeve straight-through two (9), and one end of the two sealing sleeve straight-through two (9) is plugged into a transparent hose (8).

2. A welding piece sealing test device according to claim 1, characterized in that: The first connecting component is a pressure gauge adapter (12), the pressure gauge adapter (12) is threadedly connected to the digital pressure gauge (13), and the pressure gauge adapter (12) is plugged into the sealing sleeve straight-through three (11).

3. A welding piece sealing test device according to claim 1, characterized in that: The second connecting component is a connecting pipe (6), the connecting pipe (6) is plugged into the ball valve (5), and the connecting pipe (6) is plugged into the sealing sleeve straight-through first (7).

4. A welding piece sealing test device according to claim 1, characterized in that: The third connecting component is an air intake pipe adapter (4), the air intake pipe adapter (4) is threadedly connected to the air pressure adapter (3), and the air intake pipe adapter (4) is plugged into the ball valve (5).

5. The device for testing the sealing performance of welded parts according to claim 1, characterized in that: The transparent hose (8) is bent into a U shape.

6. A welding piece sealing test device according to claim 1, characterized in that: The accuracy grade of the digital pressure gauge (13) is 0.1.

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