Regulating valve airtightness detection device

Abstract

The utility model relates to the technical field of adjusting valve detection, in particular to an air tightness detection device for an adjusting valve. The utility model provides the adjusting valve air tightness detection device which can rotate the adjusting valve, is convenient to detect the air tightness of the adjusting valve at different installation angles, and improves the air tightness detection effect of the adjusting valve. A regulating valve airtightness detection device comprises a detection table, connecting frames, first guide rails and the like, the connecting frames are connected to the upper sides of the left and right parts of the detection table, and the first guide rails are connected to the inner sides of the lower parts of the connecting frames. The adjusting valve is driven to rotate through rotation of the sliding frame, then the air pump is started, detection is carried out by comparing numerical values on the pressure gauge, when the numerical values on the pressure gauge change, the possibility of gas leakage exists in the adjusting valve, and the purposes that the adjusting valve can be rotated, and gas leakage is avoided are achieved. The air tightness of the adjusting valve at different installation angles can be conveniently detected, and the air tightness detection effect of the adjusting valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of regulating valve detection, in particular to an air tightness detection device for a regulating valve. Background Art

[0002] A regulating valve is a valve used to control the flow of fluid, usually used to adjust the pressure, flow, temperature or liquid level of the fluid. A regulating valve usually consists of a valve body, a valve disc, a valve seat, an actuator and connectors. The existing regulating valve air tightness test usually directly installs the regulating valve on a detection device and performs air tightness test by air pressure. The current detection device does not have the function of rotating the regulating valve, which is not convenient for rotating the regulating valve to perform a comprehensive test on the regulating valve, thus affecting the comprehensiveness of the regulating valve test and the detection effect of the regulating valve.

[0003] Therefore, it is necessary to design a regulating valve air tightness detection device that can rotate the regulating valve to facilitate the detection of the air tightness of the regulating valve at different installation angles and improve the air tightness detection effect of the regulating valve. Utility Model Content

[0004] In order to overcome the shortcomings of the existing regulating valve air tightness detection, the current detection device does not have the function of rotating the regulating valve, and it is not convenient to rotate the regulating valve to perform a comprehensive detection on the regulating valve, thereby affecting the comprehensiveness of the regulating valve detection and affecting the detection effect of the regulating valve. The utility model provides a regulating valve air tightness detection device which can rotate the regulating valve, facilitates the detection of the air tightness of the regulating valve at different installation angles, and improves the air tightness detection effect of the regulating valve.

[0005] Technical solution: A regulating valve air tightness detection device includes a detection platform, a connecting frame, a first guide rail, a connecting pipe, a slider, an air pump, a pressure gauge, a controller, a rotating mechanism and a regulating valve. The upper sides of the left and right parts of the detection platform are connected to the connecting frames, the inner sides of the lower parts of the connecting frames are connected to the first guide rails, the inner sides of the upper parts of the connecting frames are connected to connecting pipes, the first guide rails are slidably connected with sliders, the sliders are connected to adjacent connecting pipes, the upper sides of the connecting pipes are connected to air pumps, the air pumps are connected to adjacent connecting frames, the air pumps are connected to pressure gauges, the upper left side of the detection platform is connected to the controller, the upper middle side of the detection platform is provided with a rotating mechanism, the rotating mechanism is provided with a regulating valve, and the connecting pipes are in contact with the regulating valve.

[0006] Furthermore, it is particularly preferred that a plurality of buttons are provided on the front side of the controller.

[0007] Furthermore, it is particularly preferred that the regulating valve is provided with a handle on the upper side.

[0008] In addition, it is particularly preferred that the rotating mechanism includes a second guide rail, a moving block, a sliding frame, a motor and a gear, the second guide rail is connected to the upper middle side of the detection platform, the moving block is slidably connected to the second guide rail, the sliding frame is slidably connected to the upper part of the moving block, the sliding frame is clamped with the regulating valve, the left and right parts of the moving block are connected to the motor, the motor output shaft is connected to the gear, the left and right parts of the sliding frame are provided with racks, and the gears are meshed with adjacent racks.

[0009] In addition, it is particularly preferred that a sealing mechanism is also included, which includes a fixed block, an electric push rod, a positioning frame and a sealing ring, the upper side of the connecting tube is connected to the fixed block, the electric push rod is connected to the fixed block, the telescopic end of the electric push rod is connected to the positioning frame, and the positioning frame is connected to the sealing ring.

[0010] Furthermore, it is particularly preferred that the sealing ring is made of rubber.

[0011] Beneficial effects: 1. The utility model rotates the sliding frame to drive the regulating valve to rotate, and then starts the air pump. The detection is performed by comparing the values ​​on the pressure gauge. When the values ​​on the pressure gauge change, it indicates that there is a possibility of gas leakage in the regulating valve. The regulating valve can be rotated, which is convenient for detecting the air tightness of the regulating valve at different installation angles, thereby improving the air tightness detection effect of the regulating valve.

[0012] 2. The utility model starts the electric push rod on the fixed block to drive the sealing ring on the positioning frame to move, so that the sealing ring contacts the connection between the connecting pipe and the regulating valve, thereby achieving the effect of sealing the connection between the connecting pipe and the regulating valve to prevent gas from flowing out and ensure the accuracy of the air tightness detection of the regulating valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the first part of the rotating mechanism of the utility model.

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the second part of the rotating mechanism of the utility model.

[0016] Figure 4 It is a partial three-dimensional structural schematic diagram of the sealing mechanism of the utility model.

[0017] Among them, the above-mentioned drawings include the following figure marks: 1. testing table, 2. connecting frame, 3. first guide rail, 4. connecting pipe, 5. slider, 6. air pump, 7. pressure gauge, 8. controller, 9. rotating mechanism, 91. second guide rail, 92. moving block, 93. sliding frame, 94. motor, 95. gear, 10. sealing mechanism, 101. fixed block, 102. electric push rod, 103. positioning frame, 104. sealing ring, 11. regulating valve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] A regulating valve air tightness detection device, such as Figure 1 and Figure 2 As shown, it includes a testing platform 1, a connecting frame 2, a first guide rail 3, a connecting pipe 4, a slider 5, an air pump 6, a pressure gauge 7, a controller 8, a rotating mechanism 9 and a regulating valve 11. The upper sides of the left and right parts of the testing platform 1 are connected to the connecting frame 2, the lower inner side of the connecting frame 2 is connected to the first guide rail 3, the upper inner side of the connecting frame 2 is connected to the connecting pipe 4, the first guide rail 3 is slidably connected with a slider 5, the slider 5 is connected to the adjacent connecting pipe 4, the upper side of the connecting pipe 4 is connected to the air pump 6, the air pump 6 is connected to the adjacent connecting frame 2, the air pump 6 is connected to the pressure gauge 7, the upper left side of the testing platform 1 is connected to the controller 8, the front side of the controller 8 is provided with three buttons, the upper middle side of the testing platform 1 is provided with a rotating mechanism 9 that can be rotated, the rotating mechanism 9 is provided with a regulating valve 11, the upper side of the regulating valve 11 is provided with a handle for easy rotation and adjustment, and the connecting pipes 4 are in contact with the regulating valve 11.

[0020] like Figure 1-Figure 3 As shown, the rotating mechanism 9 includes a second guide rail 91, a moving block 92, a sliding frame 93, a motor 94 and a gear 95. The second guide rail 91 is connected to the upper middle side of the detection platform 1, the moving block 92 is slidably connected to the second guide rail 91, the upper part of the moving block 92 is slidably connected to the sliding frame 93, the sliding frame 93 is engaged with the regulating valve 11, the left and right parts of the moving block 92 are connected to the motor 94, the output shaft of the motor 94 is connected to the gear 95, the left and right parts of the sliding frame 93 are provided with racks, and the gears 95 are meshed with adjacent racks.

[0021] like Figure 1 and Figure 4As shown, a sealing mechanism 10 is also included, and the sealing mechanism 10 includes a fixed block 101, an electric push rod 102, a positioning frame 103 and a sealing ring 104. The upper side of the connecting tube 4 is connected to the fixed block 101, the electric push rod 102 is connected to the fixed block 101, the telescopic end of the electric push rod 102 is connected to the positioning frame 103, and the positioning frame 103 is connected to the sealing ring 104, and the sealing ring 104 is made of rubber.

[0022] When using the device, first place the test bench 1 in the air tightness test area of ​​the regulating valve 11, then move the moving block 92 on the second guide rail 91, and then place the regulating valve 11 on the sliding frame 93, so that the sliding frame 93 is engaged with the regulating valve 11, and then move the slider 5 inward on the first guide rail 3, so that the connecting pipe 4 is in contact with the regulating valve 11, and then start the electric push rod 102 on the fixed block 101 to drive the sealing ring 104 on the positioning frame 103 to move, so that the sealing ring 104 is in contact with the connection between the connecting pipe 4 and the regulating valve 11, so that the connection between the connecting pipe 4 and the regulating valve 11 can be sealed to prevent gas from flowing out, thereby ensuring the accuracy of the air tightness test of the regulating valve 11, and then close the regulating valve 11 by the handle, and then control The button on the controller 8 starts the air pump 6, allowing the gas to enter the connecting pipe 4. The detection is performed by comparing the values ​​on the pressure gauge 7. When the values ​​on the pressure gauge 7 are the same, it means that the air tightness of the regulating valve 11 is qualified. Otherwise, it means that the air tightness of the regulating valve 11 is unqualified. Then the motor 94 is started to drive the gear 95 to rotate. The gear 95 and the rack are meshed with each other to drive the sliding frame 93 to rotate, and then drive the regulating valve 11 to rotate. Then the air pump 6 is started again, and the detection is performed by comparing the values ​​on the pressure gauge 7. When the values ​​on the pressure gauge 7 change, it means that there is a possibility of gas leakage in the regulating valve 11, so that the regulating valve 11 can be rotated, which is convenient for detecting the air tightness of the regulating valve 11 at different installation angles, and the air tightness detection effect of the regulating valve 11 is improved.

[0023] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A regulating valve air tightness detection device, characterized in that: The invention comprises a testing platform (1), a connecting frame (2), a first guide rail (3), a connecting pipe (4), a sliding block (5), an air pump (6), a pressure gauge (7), a controller (8), a rotating mechanism (9) and a regulating valve (11). The upper sides of the left and right parts of the testing platform (1) are both connected to the connecting frame (2), the inner sides of the lower parts of the connecting frame (2) are both connected to the first guide rail (3), the inner sides of the upper parts of the connecting frame (2) are both connected to the connecting pipe (4), and the sliding blocks (5) are both slidably connected to the first guide rail (3). ), the sliders (5) are connected to adjacent connecting pipes (4), the upper sides of the connecting pipes (4) are connected to air pumps (6), the air pumps (6) are connected to adjacent connecting frames (2), the air pumps (6) are connected to pressure gauges (7), the upper left side of the detection platform (1) is connected to a controller (8), the upper middle side of the detection platform (1) is provided with a rotating mechanism (9) capable of rotating, the rotating mechanism (9) is provided with a regulating valve (11), and the connecting pipes (4) are in contact with the regulating valve (11).

2. A regulating valve air tightness detection device as claimed in claim 1, characterized in that: The front side of the controller (8) is provided with a plurality of buttons.

3. A regulating valve air tightness detection device as claimed in claim 2, characterized in that: A handle is provided on the upper side of the regulating valve (11).

4. A regulating valve air tightness detection device as claimed in claim 3, characterized in that: The rotating mechanism (9) comprises a second guide rail (91), a moving block (92), a sliding frame (93), a motor (94) and a gear (95); the upper middle part of the detection platform (1) is connected to the second guide rail (91); the moving block (92) is slidably connected to the second guide rail (91); the upper part of the moving block (92) is slidably connected to the sliding frame (93); the sliding frame (93) is clamped with the regulating valve (11); the left and right parts of the moving block (92) are both connected to the motor (94); the output shaft of the motor (94) is both connected to the gear (95); the left and right parts of the sliding frame (93) are both provided with racks; the gears (95) are meshed with adjacent racks.

5. A regulating valve air tightness detection device as claimed in claim 4, characterized in that: The invention also comprises a sealing mechanism (10), which comprises a fixed block (101), an electric push rod (102), a positioning frame (103) and a sealing ring (104). The upper side of the connecting pipe (4) is connected to the fixed block (101), the electric push rod (102) is connected to the fixed block (101), the telescopic end of the electric push rod (102) is connected to the positioning frame (103), and the positioning frame (103) is connected to the sealing ring (104).

6. A regulating valve air tightness detection device as claimed in claim 5, characterized in that: The sealing ring (104) is made of rubber.

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