Pressurizing soaking tank for airtightness detection of welding assembly

Abstract

The utility model discloses a pressurized soaking tank for airtightness detection of a welding assembly, which comprises a tank body, a support frame is fixedly mounted on the inner side of the bottom end of the tank body, a positioning seat is fixedly mounted at the upper end of the support frame, and a test piece main body is mounted on the inner side of the positioning seat. Three movable push seats are mounted between the test piece main body and the positioning seat, a retaining disc is mounted in the middle of the test piece main body, a sealing mounting ring is mounted at the upper end of the test piece main body, a retainer is mounted on the outer side of the sealing mounting ring, and a flow guide seat is mounted on the upper end surface of the sealing mounting ring; a sealing disc is fixedly installed at the upper end of the flow guide base, and a pressurizing water pipe is arranged in the middle of the sealing disc. According to the utility model, the welding assembly is positioned, clamped and hermetically connected through the soaking tank, so that the stability during sealing detection can be effectively maintained, and the result accuracy of the sealing detection of the welding assembly is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection, in particular to a pressurized water immersion tank used for air tightness detection of welding components. Background Art

[0002] A pressurized immersion tank is a device used to test the water resistance of products. It is primarily used for immersion testing of medical devices, electronic products, and household appliances. Welded components are a key part of manufacturing equipment like pressurized immersion tanks, ensuring structural strength and sealing performance. Components are formed using high-precision, integral argon arc welding to ensure the strength and sealing of welded joints. This welding method provides uniform welds, reduces defects, and thus improves overall structural safety. After welded assembly, the immersion tank is used for sealing testing.

[0003] The existing immersion tank is not convenient for positioning and clamping the welding components when performing sealing detection on the welding components. As a result, the welding components are easily tilted and offset due to pressure during the detection process, which affects the accuracy of the detection results. Therefore, it does not meet the existing needs. We have proposed a pressurized immersion tank for airtight detection of welding components. Utility Model Content

[0004] The purpose of the present utility model is to provide a pressurized immersion tank for air tightness detection of welding assemblies, so as to solve the problem raised in the above background technology that the existing immersion tank is not convenient for positioning and clamping the welding assemblies when performing sealing detection on the welding assemblies, and the welding assemblies are easily tilted and offset due to pressure during the detection process, thereby affecting the accuracy of the detection results.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressurized immersion tank for air tightness detection of welding assemblies, comprising a tank body, a support frame fixedly mounted on the inner side of the bottom end of the tank body, a positioning seat fixedly mounted on the upper end of the support frame, a test piece body mounted on the inner side of the positioning seat, three movable push seats mounted between the test piece body and the positioning seat, a retaining disk mounted on the middle part of the test piece body, a sealing mounting ring mounted on the upper end of the test piece body, a retaining frame mounted on the outer side of the sealing mounting ring, a guide seat mounted on the upper end face of the sealing mounting ring, a sealing disk fixedly mounted on the upper end of the guide seat, and a pressurized water pipe provided in the middle part of the sealing disk.

[0006] Preferably, a transparent observation window is fixedly installed on one side of the tank body, a drain pipe is provided at the bottom end of the tank body, the drain pipe is connected to the interior of the tank body, and a solenoid valve is provided on the inner side of the drain pipe.

[0007] Preferably, a blocking cover is installed on the upper end of the tank body, and three studs are installed on the upper end of the retaining frame. The bottom ends of the studs pass through the blocking cover and are inserted into the inner side of the upper end of the retaining frame. The bottom ends of the three studs are connected to the retaining frame through threads.

[0008] Preferably, a support spring is provided on the inner side of the movable push seat, a limiting sleeve is installed on one end of the support spring, the positioning seat is connected to the three limiting sleeves through threads, the positioning seat is slidingly connected to the three movable push seats, the limiting sleeve is connected to the movable push seat through the support spring, and the three movable push seats are arranged in a circle relative to the axis of the positioning seat.

[0009] Preferably, the upper end of the guide seat is fixedly connected to the sealing cover, the guide seat is connected to the retaining frame through a sealing mounting ring, and sealing rings are provided between the sealing mounting ring, the guide seat and the test piece body. The bottom end of the guide seat passes through the sealing mounting ring and is inserted into the inner side of the upper end of the test piece body, and the test piece body and the pressurized water pipe are connected through the sealing disk and the guide seat.

[0010] Preferably, the retaining plate and the support frame are fixed by screws, and an elastic ring is provided between the retaining plate and the test piece body.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The utility model allows the bottom end of the test piece body to pass through the holding plate and be plugged into the inner side of the positioning seat. The limiting sleeve and the movable push seat are connected by a supporting spring, so that the three supporting springs can elastically support the movable push seat through the limiting sleeve, and then the three movable push seats can centrally clamp the bottom end of the test piece body to maintain the vertical stability of the test piece body. When the blocking cover drives the guide seat to be placed on the tank body, the bottom end of the guide seat passes through the sealing mounting ring and is plugged into the inner side of the upper end of the test piece body. At this time, the sealing mounting ring realizes the sealing between the guide seat and the test piece body through the sealing ring, thereby realizing the stable installation of the welding assembly and avoiding the inaccurate test results caused by the displacement after being pressurized.

[0013] 2. The utility model passes three studs through the sealing cover and connects it to the retaining frame through threads, so that the retaining frame can compress the test piece body through the sealing mounting ring, and the pressurized water pipe can continuously inject water into the test piece body through the sealing disk and the guide seat. The time for pressurizing the test piece body to be immersed in water is controlled, and the amount of water accumulated on the inside of the drain pipe can be used to monitor whether the seal of the test piece body has failed, thereby quickly detecting the sealing performance of the test piece body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic cross-sectional structure diagram of the entire utility model;

[0016] Figure 3 This is a schematic diagram of the installation structure of the test piece main body of the utility model;

[0017] Figure 4 For this utility model Figure 3 Schematic diagram of the structure of area A in the middle.

[0018] In the figure: 1. Tank body; 2. Transparent observation window; 3. Sealing cover; 4. Stud; 5. Pressurized water pipe; 6. Drain pipe; 7. Support frame; 8. Positioning seat; 9. Sealing disk; 10. Guide seat; 11. Retaining frame; 12. Sealing mounting ring; 13. Retaining disk; 14. Test piece body; 15. Limiting sleeve; 16. Support spring; 17. Movable push seat. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] See also Figures 1 to 4 The utility model provides an embodiment of a pressurized immersion tank for airtightness testing of welding assemblies, comprising a tank body 1, a support frame 7 fixedly mounted on the inner side of the bottom end of the tank body 1, a transparent observation window 2 fixedly mounted on one side of the tank body 1, a drain pipe 6 provided at the bottom end of the tank body 1, the drain pipe 6 being connected to the interior of the tank body 1, and a solenoid valve provided on the inner side of the drain pipe 6. By monitoring the amount of water accumulated inside the drain pipe 6, it is possible to monitor whether the seal of the test piece main body 14 has failed, thereby enabling a rapid test of the sealing performance of the test piece main body 14.

[0021] A positioning seat 8 is fixedly installed on the upper end of the support frame 7, and a test piece main body 14 is installed on the inner side of the positioning seat 8. Three movable push seats 17 are installed between the test piece main body 14 and the positioning seat 8. A support spring 16 is provided on the inner side of the movable push seat 17, and a limiting sleeve 15 is installed on one end of the support spring 16. The positioning seat 8 and the three limiting sleeves 15 are connected by threads, and the positioning seat 8 and the three movable push seats 17 are slidably connected. The limiting sleeve 15 and the movable push seat 17 are connected by the support spring 16. The three movable push seats 17 are arranged in a circle relative to the axis of the positioning seat 8. The three movable push seats 17 can clamp the bottom end of the test piece main body 14 in the center to maintain the vertical stability of the test piece main body 14.

[0022] See also Figure 1 and Figure 2A retaining disk 13 is installed in the middle of the test piece body 14, and the retaining disk 13 is fixed to the support frame 7 by screws. An elastic ring is provided between the retaining disk 13 and the test piece body 14, and a sealing mounting ring 12 is installed on the upper end of the test piece body 14. A retaining frame 11 is installed on the outer side of the sealing mounting ring 12. A sealing cover 3 is installed on the upper end of the tank body 1, and three studs 4 are installed on the upper end of the retaining frame 11. The bottom ends of the studs 4 pass through the sealing cover 3 and are inserted into the inner side of the upper end of the retaining frame 11. The bottom ends of the three studs 4 are connected to the retaining frame 11 by threads, and the sealing cover 3 locks the retaining frame 11 through the studs 4, so that the retaining frame 11 can press the test piece body 14 through the sealing mounting ring 12.

[0023] See also Figure 2 The upper end surface of the sealing mounting ring 12 is provided with a guide seat 10, and a sealing disk 9 is fixedly installed on the upper end of the guide seat 10. A pressurized water pipe 5 is provided in the middle of the sealing disk 9. The upper end of the guide seat 10 is fixedly connected to the sealing cover 3, and the guide seat 10 is connected to the retaining frame 11 through the sealing mounting ring 12. A sealing ring is provided between the sealing mounting ring 12, the guide seat 10 and the test piece body 14. The bottom end of the guide seat 10 passes through the sealing mounting ring 12 and is inserted into the inner side of the upper end of the test piece body 14. The test piece body 14 and the pressurized water pipe 5 are connected through the sealing disk 9 and the guide seat 10. The sealing mounting ring 12 realizes sealing between the guide seat 10 and the test piece body 14 through the sealing ring to maintain the stability of water injection into the test piece body 14.

[0024] When in use, the holding plate 13 is fixedly connected to the support frame 7, and then the bottom end of the test piece body 14 is passed through the holding plate 13 and inserted into the inner side of the positioning seat 8. The inner side of the limiting sleeve 15 is slidably connected with a movable push seat 17, and the limiting sleeve 15 and the movable push seat 17 are connected by a supporting spring 16, so that the three supporting springs 16 can elastically support the movable push seat 17 through the limiting sleeve 15, and then the three movable push seats 17 can centrally clamp the bottom end of the test piece body 14 to maintain the vertical stability of the test piece body 14, and then the sealing mounting ring 12 is placed in the middle of the retaining frame 11 and fits on the upper end of the test piece body 14, so that when the sealing cover 3 drives the guide seat 10 to be placed on the tank body 1, the bottom end of the guide seat 10 passes through the sealing mounting ring 12 and is inserted into the inner side of the upper end of the test piece body 14;

[0025] At this time, the sealing mounting ring 12 seals the guide seat 10 and the test piece body 14 through the sealing ring. The three studs 4 penetrate the blocking cover 3 and are connected to the retaining frame 11 through threads. Then, the retaining frame 11 can press the test piece body 14 through the sealing mounting ring 12. Water is injected and pressurized through the pressurized water pipe 5, so that the pressurized water pipe 5 can continuously inject water into the test piece body 14 through the sealing disk 9 and the guide seat 10.

[0026] By controlling the time of pressurized immersion of the test piece body 14 , the amount of water accumulated inside the drain pipe 6 can be used to monitor whether the seal of the test piece body 14 has failed, thereby enabling rapid detection of the sealing performance of the test piece body 14 .

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A pressurized immersion tank for airtightness detection of welded assemblies, comprising a tank body (1), characterized in that: A support frame (7) is fixedly mounted on the inner side of the bottom end of the tank body (1), a positioning seat (8) is fixedly mounted on the upper end of the support frame (7), a test piece body (14) is mounted on the inner side of the positioning seat (8), three movable push seats (17) are mounted between the test piece body (14) and the positioning seat (8), a retaining plate (13) is mounted in the middle of the test piece body (14), a sealing mounting ring (12) is mounted on the upper end of the test piece body (14), a retaining frame (11) is mounted on the outer side of the sealing mounting ring (12), a guide seat (10) is mounted on the upper end of the sealing mounting ring (12), a sealing plate (9) is fixedly mounted on the upper end of the guide seat (10), and a pressurized water pipe (5) is provided in the middle of the sealing plate (9).

2. A pressurized immersion tank for airtightness testing of welded assemblies according to claim 1, characterized in that: A transparent observation window (2) is fixedly mounted on one side of the tank body (1), a drain pipe (6) is provided at the bottom end of the tank body (1), the drain pipe (6) is connected to the interior of the tank body (1), and a solenoid valve is provided on the inner side of the drain pipe (6).

3. A pressurized immersion tank for airtightness testing of welded assemblies according to claim 2, characterized in that: A blocking cover (3) is installed at the upper end of the tank body (1), and three studs (4) are installed at the upper end of the retaining frame (11). The bottom ends of the studs (4) pass through the blocking cover (3) and are plugged into the inner side of the upper end of the retaining frame (11). The bottom ends of the three studs (4) are connected to the retaining frame (11) through threads.

4. The pressurized immersion tank for airtightness testing of welded assemblies according to claim 1, characterized in that: A support spring (16) is provided on the inner side of the movable push seat (17), and a limiting sleeve (15) is installed on one end of the support spring (16). The positioning seat (8) is connected to the three limiting sleeves (15) through threads. The positioning seat (8) is slidably connected to the three movable push seats (17). The limiting sleeves (15) are connected to the movable push seat (17) through the support spring (16). The three movable push seats (17) are arranged in a circle relative to the axis of the positioning seat (8).

5. The pressurized immersion tank for airtightness testing of welded assemblies according to claim 3, characterized in that: The upper end of the flow guide seat (10) is fixedly connected to the sealing cover (3), and the flow guide seat (10) is connected to the retaining frame (11) through a sealing mounting ring (12). A sealing ring is provided between the sealing mounting ring (12), the flow guide seat (10) and the test piece body (14). The bottom end of the flow guide seat (10) passes through the sealing mounting ring (12) and is plugged into the inner side of the upper end of the test piece body (14). The test piece body (14) is connected to the pressurized water pipe (5) through the sealing disk (9) and the flow guide seat (10).

6. A pressurized immersion tank for airtightness testing of welded assemblies according to claim 5, characterized in that: The retaining disc (13) and the support frame (7) are connected and fixed by screws, and an elastic ring is provided between the retaining disc (13) and the test piece body (14).

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