Automatic testing and pressing equipment for air tightness of steel pipe fitting

Abstract

The utility model discloses a steel pipe fitting air tightness automatic test pressing device which comprises a box body, the top end of the box body is provided with a box cover structure, the box cover is provided with a monitoring assembly, the box body is provided with an installation frame, the two sides of the installation frame are provided with positioning holes, and an air inlet end is arranged in the installation frame. The air inlet end comprises a purification frame, a filter element arranged in the purification frame and a side plate arranged at the front end of the purification frame, an air inlet is formed in the front end of the side plate, an electromagnetic valve is arranged on the air inlet, and an air outlet end is arranged on one side of the box body. Then the gas enters the purification frame, is filtered by the filter element and then enters the box body, and the filter element and the purification frame are clamped and fixed through the clamping groove, so that the purity of the gas in the pressurization device for the airtightness test is ensured, the influence on subsequent experiments is reduced, and the accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the field of air tightness testing devices, in particular to automatic air tightness testing and pressure testing equipment for steel pipe fittings. Background Art

[0002] Elbow pipe fittings are commonly used pipe connectors, and the social demand is very large. After the elbow pipe fittings are processed, they need to be tested for air tightness and pressure resistance. Existing air tightness testing machines mostly use manual placement and removal of parts, which requires high labor intensity for operators, low work efficiency, and high production costs for elbow pipe fittings. In the prior art, the inspection of pipe fittings is inseparable from the use of tooling and fixtures. For the inspection of the sealing performance of pipe fittings, conventional tooling is to directly set positioning blocks and plugs on both sides of the pipe fittings. The positioning blocks fix the pipe fittings and are provided with pipe joints. The plug sleeve is set on the outside of the end of the pipe fitting. During the inspection, the air source can be directly ventilated from the pipe joint.

[0003] The prior art has the following deficiencies: In the prior art, the "A Safety Valve Air Tightness Detection Device" with a publication number of CN214373161U lacks processing of the pressurized gas during use, and the dust therein will cause damage to the air pump and the two-stage gas booster pump after a certain period of time, thereby shortening the service life of the device. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides an automatic air tightness testing and pressure testing device for steel pipe fittings. Through the set air inlet end structure, the user can pass the outside gas into it from the air inlet end at high pressure. First, through the solenoid valve structure therein, the air intake volume can be controlled and the automatic opening and closing function can be played. Then, the gas enters the purification frame, is filtered by the filter element, and then enters the box body. The filter element and the purification frame are fixed by a clamping groove, which ensures the purity of the gas in the pressurized device used for air tightness testing, reduces the impact on subsequent experiments, and improves accuracy.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an automatic air tightness testing and pressure testing device for steel pipe fittings, comprising a box body, a box cover structure is arranged at the top of the box body, and a monitoring component is arranged on the box cover, an installation frame is provided on the box body, and positioning holes are provided on both sides of the installation frame, an air inlet end is provided in the installation frame, the air inlet end comprises a purification frame, a filter element arranged in the purification frame and a side panel arranged at the front end of the purification frame, an air inlet is provided at the front end of the side panel, an electromagnetic valve is provided on the air inlet, and an air outlet end is provided on one side of the box body.

[0006] As a preferred technical solution of the present utility model, a control panel is provided on the box body, and the control panel is electrically connected with the solenoid valve and the monitoring component.

[0007] As a preferred technical solution of the utility model, both sides of the purification frame are provided with snap-in grooves, and the filter element is a filter paper folding structure, and both ends of the filter element are snap-in grooves.

[0008] As a preferred technical solution of the utility model, positioning side plates are provided at both ends of the purification frame, and the middle part of the positioning side plates is fixedly connected to the positioning holes by positioning bolts.

[0009] As a preferred technical solution of the present utility model, the monitoring component is a barometer.

[0010] As a preferred technical solution of the utility model, the height of the air outlet is lower than that of the air inlet.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. In this device, through the inlet end structure, the user can pass the external gas into it at high pressure from the inlet end. First, through the solenoid valve structure, the air intake volume can be controlled and the automatic opening and closing function can be played. Then the gas enters the purification frame, passes through the filter element, and then enters the box body. The filter element and the purification frame are fixed by the card slot to ensure the purity of the gas in the pressurized device used for air tightness test, reduce the impact on subsequent experiments, and improve accuracy.

[0013] 2. In this device, by providing an installation frame and a positioning hole structure, the user can thread the positioning side plate structure on both sides of the purification frame and the positioning hole, so that the user can directly disassemble the air inlet end of the device and replace the filter element therein, and the filter element is fixed in the evolution frame through the snap-in groove to achieve the positioning effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a structural breakdown diagram of the utility model;

[0016] Figure 3 This is one of the structural disassembly diagrams of the air intake end of the utility model;

[0017] Figure 4 This is the second structural disassembly diagram of the air intake end of the utility model;

[0018] Figure 5 This is the third structural disassembly diagram of the air intake end of the utility model.

[0019] Among them: 1. Box body; 11. Installation frame; 12. Positioning hole; 2. Control panel; 3. Air inlet end; 31. Purification frame; 311. Positioning side panel; 312. Card slot; 32. Air inlet; 321. Solenoid valve; 33. Filter element; 34. Side panel; 4. Air outlet end; 5. Monitoring component. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0021] Embodiment:

[0022] like Figure 1-5 As shown, the utility model provides an automatic air tightness testing and pressure testing device for steel pipe fittings, including a box body 1, a box cover structure is arranged at the top of the box body 1, and a monitoring component 5 is arranged on the box cover, an installation frame 11 is opened on the box body 1, and positioning holes 12 are opened on both sides of the installation frame 11, an air inlet end 3 is arranged in the installation frame 11, and the air inlet end 3 includes a purification frame 31, a filter element 33 arranged in the purification frame 31 and a side plate 34 arranged at the front end of the purification frame 31, an air inlet 32 ​​is arranged at the front end of the side plate 34, a solenoid valve 321 is arranged on the air inlet 32, and an air outlet end 4 is arranged on one side of the box body 1; through the installation frame 11 and the positioning hole 12 structure, the user can thread and fix the positioning side plate 311 structure on both sides of the purification frame 31 with the positioning hole 12, so that the user can directly disassemble the air inlet end 3 in the device and replace the filter element 33 therein, and the filter element 33 is fixed in the evolution frame by the snap-in groove 312 to achieve the positioning effect.

[0023] In other embodiments, a control panel 2 is provided on the box body 1, and the control panel 2 is electrically connected to the solenoid valve 321 and the monitoring component 5; a clamping groove 312 is provided on both sides of the purification frame 31, and the filter element 33 is a filter paper folding structure, and both ends of the filter element 33 are clamped in the clamping groove 312; a positioning side plate 311 is provided on both ends of the purification frame 31, and the middle part of the positioning side plate 311 is fixedly connected to the positioning hole 12 by a positioning bolt; the monitoring component 5 is a barometer; the height of the air outlet 4 is lower than that of the air inlet 3 ; Through the set air inlet end 3 structure, the user can pass the external gas into it at high pressure from the air inlet end 3. First, through the solenoid valve 321 structure therein, the air intake volume can be controlled and the automatic opening and closing function can be played. Then the gas enters the purification frame 31, and after being filtered by the filter element 33, it enters the box body 1. The filter element 33 and the purification frame 31 are fixed by the clamping groove 312, which ensures the purity of the gas in the pressurized device used for air tightness testing, reduces the impact on subsequent experiments, and improves accuracy.

[0024] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An automatic testing and pressure testing device for air tightness of steel pipe fittings, comprising a box (1), characterized in that: The top of the box body (1) is provided with a box cover structure, and a monitoring component (5) is provided on the box cover; a mounting frame (11) is provided on the box body (1), and positioning holes (12) are provided on both sides of the mounting frame (11); an air inlet (3) is provided in the mounting frame (11); the air inlet (3) comprises a purification frame (31), a filter element (33) provided in the purification frame (31), and a side plate (34) provided at the front end of the purification frame (31); an air inlet (32) is provided at the front end of the side plate (34); a solenoid valve (321) is provided on the air inlet (32); and an air outlet (4) is provided on one side of the box body (1).

2. The automatic air tightness testing and pressure testing equipment for steel pipe fittings according to claim 1 is characterized in that: The box body (1) is provided with a control panel (2), and the control panel (2) is electrically connected to the solenoid valve (321) and the monitoring component (5).

3. The automatic air tightness testing and pressure testing equipment for steel pipe fittings according to claim 1 is characterized in that: Both sides of the purification frame (31) are provided with snap-fitting grooves (312), and the filter element (33) is a filter paper folding structure, and both ends of the filter element (33) are snap-fitted in the snap-fitting grooves (312).

4. The automatic air tightness testing and pressure testing equipment for steel pipe fittings according to claim 1 is characterized in that: Both ends of the purification frame (31) are provided with positioning side plates (311), and the middle part of the positioning side plates (311) is fixedly connected to the positioning holes (12) via positioning bolts.

5. The automatic air tightness testing and pressure testing equipment for steel pipe fittings according to claim 1 is characterized in that: The monitoring component (5) is a barometer.

6. The automatic air tightness testing and pressure testing equipment for steel pipe fittings according to claim 1 is characterized in that: The height of the air outlet (4) is lower than that of the air inlet (3).

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