Valve sealing pressurization testing device

Abstract

The utility model belongs to the technical field of valve sealing pressurization testing, and discloses a valve sealing pressurization testing device which comprises a base, a pressurizer fixedly arranged on the left side of the top end of the base, a water tank fixedly arranged on the right side of the top end of the base, positioning frames arranged inside the water tank, and a valve arranged between the two positioning frames in a butt joint mode. The left inflation end of the valve further comprises a butt joint assembly. The butt joint assembly comprises a limiting pipe fixedly arranged at an inflation inlet of the positioning frame, an inflation pipe, an air outlet pipe and a sealing ring structure in the butt joint assembly are matched, the inflation pipe in the pressurizer structure is effectively sealed, an air outlet hole of the air outlet pipe is sealed through the sealing ring, and therefore sealing protection before pressurization testing is completed, and the sealing performance of the pressurizer structure is improved. The problem of air leakage of the air inflation end of the pressurizer under the condition that positioning is not stable before a valve is installed for testing or in the pressurization testing process is avoided, and the number of judgment results of sealing pressurization testing conducted by operators due to unforeseen circumstances is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve sealing pressure testing, in particular to a valve sealing pressure testing device. Background Art

[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters of the conveying medium. Before use, it is necessary to use a test device to monitor the sealing of the valve to ensure that there will be no problems in normal use in the future.

[0003] At present, during the valve sealing pressure test, the pressure needs to be continuously increased to test the pressure sealing of the valve. During the pressurization operation of some pressurizers, air leakage will occur from the inflation end of the pressurizer, which will directly lead to the appearance of bubbles, thereby affecting the operator's judgment on the results of the valve sealing test. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In order to solve the problems raised in the above-mentioned background technology, the utility model provides a valve sealing pressurized testing device, which is unfolded through an inflation tube and an outlet pipe structure that are slidably sleeved on each other. During the inflation process, the interior of the inflation tube can be inflated by the pressurizer, and the outlet pipe can be pushed open by the impact of the airflow, so that the outlet hole located at the sealing ring can be pushed open, and then the outlet hole and the cover plate can be controlled to move to an exposed position. At the same time, the pressurized pipe outlet hole is sent into the interior of the valve, which improves the sealing effect and avoids air leakage from the outlet, thereby reducing the judgment of the test results due to unexpected situations.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical solutions: a valve sealing pressure test device, comprising a base, a pressurizer is fixedly arranged on the left side of the top of the base, a water tank is fixedly arranged on the right side of the top of the base, a positioning frame is arranged inside the water tank, a valve is butt-jointed between the two positioning frames, and the left inflation end of the valve also includes a butt joint assembly;

[0008] The docking assembly includes a limiting tube fixedly arranged at the inflation port of the positioning frame, an inflation tube is arranged at the center position of the limiting tube, and the inflation tube is connected to the inflation and pressurizing port of the pressurizer, an air outlet pipe is slidably arranged on the outer side of the inflation tube, air outlet holes are opened around the air outlet pipe, a sealing ring is sleeved on the outer side of the air outlet pipe, and the sealing ring is fixed to the positioning frame, and the sealing ring is located on the outer side of the air outlet hole.

[0009] In the above technical solution, preferably, a bracket is fixedly provided at the inlet end of the inflation tube, a second spring is fixedly provided on the outside of the bracket, a cover plate is fixedly provided at the other end of the second spring, and the cover plate is fixedly provided to the outlet tube.

[0010] In the above technical solution, preferably, an inclined plate is rotatably provided on the inner wall of the position-limiting tube, a guide block is rotatably provided on the other end of the inclined plate, and the guide block is slidably provided with the position-limiting tube.

[0011] In the above technical solution, preferably, a transverse axis passes through the interior of the guide block, and the transverse axis is fixed to the positioning frame, and a spring 1 is sleeved on the outer side of the transverse axis, and the spring 1 is located between the transverse axis and the guide block.

[0012] In the above technical solution, preferably, a buffer pad is fixedly provided on the outer side of the inclined plate, and the buffer pad is fitted with the connecting end of the valve.

[0013] In the above technical solution, preferably, a guide rail is fixedly provided on the rear side of the water tank, a slider is slidably provided inside the guide rail, a positioning pin passes through the inside of the slider, and the slider is slidably provided with the guide rail, and an observation plate is fixedly provided on the top of the slider.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model cooperates the inflation tube, the air outlet tube and the sealing ring structure in the docking assembly to effectively seal the inflation tube in the pressurizer structure, and the sealing ring seals the air outlet hole of the air outlet tube, thereby completing the sealing protection before the pressurization test is carried out, avoiding the problem of air leakage at the inflation end of the pressurizer before the valve is installed for testing or when the positioning is unstable during the pressurization test, and reducing the judgment result of the operator's sealing pressurization test under unexpected circumstances. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall appearance of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the installation structure of the docking assembly of the utility model;

[0019] Figure 3 It is an enlarged structural schematic diagram of the guide block of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the air outlet pipe of the utility model;

[0021] Figure 5 It is a schematic diagram of the assembly of the structural guide rail and the observation plate of the utility model.

[0022] In the figure: 1. base; 2. pressurizer; 3. water tank; 4. positioning frame; 5. valve;

[0023] 6. Docking assembly; 61. Limiting tube; 62. Horizontal axis; 63. Guide block; 64. Spring 1; 65. Inclined plate; 66. Buffer pad; 67. Inflatable tube; 68. Bracket; 69. Spring 2; 610. Exhaust pipe; 611. Exhaust hole; 612. Sealing ring; 613. Cover plate;

[0024] 7. Guide rail; 8. Slider; 9. Positioning pin; 10. Observation plate. DETAILED DESCRIPTION

[0025] 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.

[0026] like Figures 1 to 5 As shown, the utility model provides a valve sealing pressure test device, including a base 1, a pressurizer 2 is fixedly arranged on the left side of the top of the base 1, a water tank 3 is fixedly arranged on the right side of the top of the base 1, a positioning frame 4 is arranged inside the water tank 3, a valve 5 is docked between the two positioning frames 4, the positioning frame 4 can quickly position the valve 5, and the pressurizer 2 performs a pressurization operation to pressurize the valve 5, and the left inflation end of the valve 5 also includes a docking component 6;

[0027] The docking assembly 6 includes a limiting tube 61 fixedly arranged at the inflation port of the positioning frame 4, an inflation tube 67 is arranged at the center position of the limiting tube 61, and the inflation tube 67 is connected to the inflation and pressurization port of the pressurizer 2, an outlet pipe 610 is slidably arranged on the outer side of the inflation tube 67, and outlet holes 611 are opened around the outlet pipe 610. A sealing ring 612 is sleeved on the outer side of the outlet pipe 610, and the sealing ring 612 is fixedly arranged on the positioning frame 4, and the sealing ring 612 is located on the outer side of the outlet hole 611.

[0028] The above scheme is adopted: the inflation tube 67 and the outlet tube 610 structure which are slidably sleeved with each other are unfolded. During the inflation process, the inside of the inflation tube 67 can be inflated by the pressurizer 2, and the outlet tube 610 can be pushed open by the impact of the airflow, and the outlet hole 611 located at the sealing ring 612 can be pushed open, and then the outlet hole 611 and the cover plate 613 can be controlled to move to an exposed position. At the same time, the pressurized pipe outlet hole 611 is sent into the interior of the valve 5, and the sealing effect is improved. It can also avoid the leakage of the outlet hole 611, thereby reducing the judgment of the test results due to unexpected situations.

[0029] like Figure 4 As shown, a bracket 68 is fixedly provided at the inlet end of the inflation tube 67 , a spring 69 is fixedly provided on the outer side of the bracket 68 , a cover plate 613 is fixedly provided at the other end of the spring 69 , and the cover plate 613 is fixedly provided to the outlet tube 610 .

[0030] The above solution is adopted: the cover plate 613 and the air outlet pipe 610 are pulled by the spring 2 69 structure to be closed inside the inflation pipe 67, and the closed state is maintained, thereby effectively preventing the occurrence of air leakage.

[0031] like Figure 2 , Figure 3 As shown, an inclined plate 65 is rotatably provided on the inner wall of the limiting tube 61, and a guide block 63 is rotatably provided on the other end of the inclined plate 65. The guide block 63 and the limiting tube 61 are slidably provided. A horizontal axis 62 runs through the inside of the guide block 63, and the horizontal axis 62 is fixedly provided with the positioning frame 4. A spring 64 is sleeved on the outer side of the horizontal axis 62, and the spring 64 is located between the horizontal axis 62 and the guide block 63. A buffer pad 66 is fixedly provided on the outer side of the inclined plate 65, and the buffer pad 66 fits with the connecting end of the valve 5.

[0032] The above scheme is adopted: a supporting and limiting inclined plate 65 structure is formed inside the limiting tube 61, and with the larger opening structure, the valve 5 structure can be conveniently guided to enter the inside of the limiting tube 61, reducing the difficulty of installing the valve 5. During the installation process, the buffer pad 66 on the surface of the inclined plate 65 can be pushed to move, and the guide block 63 rotating at the other end can move inside the limiting tube 61. It can be guided by the horizontal axis 62 to maintain stability, and the extrusion spring 64 maintains a rapid compression state on the connecting end of the valve 5, thereby improving the stability of the valve 5 during the sealing test.

[0033] like Figure 1 and Figure 5 As shown, a guide rail 7 is fixedly provided on the rear side of the water tank 3, a slider 8 is slidably provided inside the guide rail 7, a positioning pin 9 passes through the inside of the slider 8, and the slider 8 is slidably provided with the guide rail 7, and an observation plate 10 is fixedly provided at the top of the slider 8.

[0034] By adopting the above solution, when performing a pressure test, the slider 8 structure inside the guide rail 7 can be slid, and the positioning pin 9 can be used to limit the position to avoid deviation during movement, and the observation plate 10 can be moved to the position of the valve 5 to protect the operator.

[0035] The working principle and use process of this utility model:

[0036] When the pressure test is carried out, the slider 8 structure located inside the guide rail 7 can be slid, and the positioning pin 9 is used to limit the position to avoid deflection during the movement. The observation plate 10 is moved to the position of the valve 5 to protect the operator. After the power is turned on, the valve 5 is installed between the positioning frames 4 of the water tank 3, and the valve 5 is limited and clamped by the hydraulic device. One end of the valve 5 is connected to the inside of the limiting tube 61 of the docking assembly 6, and a supporting and limiting inclined plate 65 structure is formed inside the limiting tube 61. With the larger opening structure, the valve 5 structure can be easily guided to enter the inside of the limiting tube 61, thereby reducing the difficulty of installing the valve 5. During the installation and entry process, the buffer pad 66 on the surface of the inclined plate 65 can be pushed to move, and the guide block 63 rotated by the other end can move inside the limiting tube 61, which can be guided by the transverse shaft 62 to maintain stability, and the extrusion spring can be pressed. 64 maintains a rapid compression state of the connection end of the valve 5, improves the stability of the valve 5 during the sealing test, and the inflation tube 67 and the outlet tube 610 structures that are slidably sleeved with each other are unfolded. During the inflation process, the inside of the inflation tube 67 can be inflated by the pressurizer 2, and the outlet tube 610 can be pushed open by the impact of the airflow, and the outlet hole 611 located at the sealing ring 612 can be pushed open, thereby controlling the outlet hole 611 and the cover plate 613 to move to an exposed position. At the same time, the pressurized pipeline outlet hole 611 is sent into the interior of the valve 5 to improve the sealing effect. It can also avoid the leakage of the outlet hole 611 and reduce the judgment of the test results due to unexpected situations. The cover plate 613 and the outlet tube 610 are closed in the inflation tube 67 by the spring 2 69 structure to maintain a closed state, thereby effectively preventing leakage.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve sealing pressure testing device, comprising a base (1), characterized in that: A pressurizer (2) is fixedly arranged on the left side of the top of the base (1), a water tank (3) is fixedly arranged on the right side of the top of the base (1), a positioning frame (4) is arranged inside the water tank (3), a valve (5) is butt-jointed between the two positioning frames (4), and the left inflation end of the valve (5) also includes a butt joint assembly (6); The docking assembly (6) comprises a limiting tube (61) fixedly arranged at the inflation port of the positioning frame (4); an inflation tube (67) is arranged at the center of the limiting tube (61), and the inflation tube (67) is connected to the inflation and pressurizing port of the pressurizer (2); an air outlet tube (610) is slidably arranged on the outer side of the inflation tube (67); air outlet holes (611) are arranged around the air outlet tube (610); a sealing ring (612) is sleeved on the outer side of the air outlet tube (610); the sealing ring (612) is fixedly arranged on the positioning frame (4), and the sealing ring (612) is located on the outer side of the air outlet hole (611).

2. A valve sealing pressure testing device according to claim 1, characterized in that: A bracket (68) is fixedly provided at the inlet end of the inflation tube (67), a second spring (69) is fixedly provided on the outer side of the bracket (68), a cover plate (613) is fixedly provided at the other end of the second spring (69), and the cover plate (613) is fixedly provided on the outlet tube (610).

3. A valve sealing pressure testing device according to claim 1, characterized in that: An inclined plate (65) is rotatably provided on the inner wall of the position-limiting tube (61), and a guide block (63) is rotatably provided on the other end of the inclined plate (65). The guide block (63) and the position-limiting tube (61) are slidably provided.

4. A valve sealing pressure testing device according to claim 3, characterized in that: A transverse axis (62) passes through the interior of the guide block (63), and the transverse axis (62) is fixedly arranged with the positioning frame (4). A spring (64) is sleeved on the outer side of the transverse axis (62), and the spring (64) is located between the transverse axis (62) and the guide block (63).

5. A valve sealing pressure testing device according to claim 3, characterized in that: A buffer pad (66) is fixedly provided on the outer side of the inclined plate (65), and the buffer pad (66) is in contact with the connecting end of the valve (5).

6. A valve sealing pressure testing device according to claim 1, characterized in that: A guide rail (7) is fixedly arranged on the rear side of the water tank (3), a slider (8) is slidably arranged inside the guide rail (7), a positioning pin (9) passes through the inside of the slider (8), and the slider (8) is slidably arranged with the guide rail (7), and an observation plate (10) is fixedly arranged at the top of the slider (8).

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