Automatic valve sealing performance testing device

Abstract

The utility model relates to the technical field of valve testing, and provides an automatic valve sealing performance testing device which comprises a box body and a testing mechanism. By arranging the compressor, the refrigerant pipe and the heating medium pipe, the compressor works to transfer heat of the refrigerant pipe and the heating medium pipe, then the refrigerant pipe cools the space on the left side of the heat insulation plate, the heating medium pipe heats the space on the right side of the heat insulation plate, and energy can be saved by working at the same time; the heat insulation door is opened when the position of the valve is switched, the heat insulation door is closed after switching, heat on the two sides in the box body can be separated through cooperation with the heat insulation plate, mutual influence is avoided, and the sliding block and the sliding rail are arranged, the sliding block moves on the sliding rail, the position of the valve is adjusted, and the testing environment is switched. The conical lower sealing seat and the conical upper sealing seat are arranged, the motor works to drive the threaded rod to rotate, the height of the movable seat is changed, and the lower sealing seat and the upper sealing seat are matched to clamp a valve.

Description

Technical Field

[0001] The utility model relates to the technical field of valve testing, in particular to an automatic valve sealing performance testing device. Background Art

[0002] The automatic valve sealing performance testing device is a device specially used to detect the sealing performance of valves. It is mainly used to ensure that the sealing performance of valves meets the specified requirements to ensure the reliability and safety of valves in practical applications. The device simulates actual working conditions to test the sealing performance of valves to detect whether there is leakage in the valves. The automatic valve sealing performance testing device can effectively detect the sealing performance of valves to ensure that the sealing performance of valves meets the specified requirements and improve the reliability and safety of valves in practical applications. At the same time, the device can also improve the detection efficiency of valves and reduce the cost and risk of manual detection. It is a very important detection equipment.

[0003] According to the search of China Utility Model Publication No.: CN216081949U, a steam valve sealing performance testing device is disclosed. 1. The utility model is provided with a supporting mechanism, which can realize the clamping and supporting of the valve through the movement of the mechanism, which is convenient for testing the steam passing into the valve, and can realize the rapid cooling of the valve after the valve testing is completed, so as to facilitate the removal of the valve. 2. The utility model is provided with a detection mechanism, which can realize the detection of the valve through the movement of the mechanism, and can realize the movement of the detection air bag to determine whether the valve is leaking. 3. The utility model is provided with a connecting mechanism, which can realize the connection of the valve interface through the movement of the mechanism, and can realize the sealing of the valve interface to prevent leakage. 4. The utility model is provided with a supply mechanism, which can realize the supply of water vapor through the movement of the mechanism.

[0004] However, there are some issues that need to be considered when implementing the above technical solutions: First, the device cannot change the temperature during the test, which means that it cannot simulate the temperature of the actual working environment, which will have a certain impact on the accuracy of the test results. The accuracy and reliability of the test results will be subject to certain limitations. Secondly, the fixture of the device cannot adapt to valves of different diameters, and the fixture needs to be replaced during use, resulting in reduced efficiency. Utility Model Content

[0005] The purpose of the present utility model is to provide an automatic valve sealing performance testing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic valve sealing performance testing device, comprising a box body and a testing mechanism, a box door is arranged on the front of the box body, a testing mechanism is arranged on one side of the box door, a slide rail is arranged on the bottom of the box body, a slider is arranged above the slide rail, a fixed seat is arranged above the slider, a heat insulation board is arranged inside the box body, and a compressor is arranged above the heat insulation board.

[0007] Preferably, two groups of the slide rails are provided, the slider is slidably connected to the slide rails, and the slider forms a movable structure with the box body through the slide rails.

[0008] Preferably, a threaded rod is arranged above the fixed seat, a movable seat is slidably connected to the outer side of the threaded rod, a motor is connected above the threaded rod, a lower sealing seat is arranged on one side of the threaded rod, an upper sealing seat is arranged below the movable seat, the lower sealing seat corresponds to the upper sealing seat in position, and both the lower sealing seat and the upper sealing seat are conical.

[0009] Preferably, a pressure gauge is provided above the lower sealing seat, an air pump is provided above the movable seat, and the air pump is connected to the upper sealing seat via a pipeline.

[0010] Preferably, the heat insulation board is tightly fitted with the box body, and an heat insulation door is arranged on the inner side of the heat insulation board, and the heat insulation door corresponds to the slide rail one by one.

[0011] Preferably, a protective shell is provided on the top of the box body, fans are clamped on both sides of the protective shell, and the fans are provided in multiple groups.

[0012] Preferably, the compressor is fixedly connected to the housing, a refrigerant pipe is connected to the left side of the compressor, and a heat medium pipe is connected to the right side of the compressor.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a compressor, a refrigerant pipe and a heat medium pipe. When the compressor works, the heat of the refrigerant pipe and the heat medium pipe is transferred. Then, the refrigerant pipe cools down the space on the left side of the heat insulation board, and the heat medium pipe heats up the space on the right side of the heat insulation board. The simultaneous operation can save energy. By providing the heat insulation board and the heat insulation door, the heat insulation door is opened when the valve position is switched, and the heat insulation door is closed after switching. The heat insulation board can be used to isolate the heat on both sides of the box to avoid mutual influence. By providing a slider and a slide rail, the slider moves on the slide rail to adjust the valve position to switch the test environment.

[0015] The utility model provides a conical lower sealing seat and an upper sealing seat. The motor drives the threaded rod to rotate so that the height of the movable seat changes. The lower sealing seat cooperates with the upper sealing seat to clamp the valve. The conical lower sealing seat and the upper sealing seat can clamp valves of different diameters, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the appearance structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the cooperation of the slider, the fixed seat, the threaded rod, the movable seat, the motor, the lower sealing seat, the upper sealing seat and the air pump of the utility model.

[0019] Figure 4 This is a schematic diagram of the cooperation between the lower sealing seat and the pressure gauge of the utility model.

[0020] Figure 5 It is a schematic diagram of the coordination of the compressor, refrigerant pipe and heat medium pipe of the utility model.

[0021] In the figure: 1. box body; 2. box door; 3. testing mechanism; 301. slide rail; 302. slider; 303. fixed seat; 304. threaded rod; 305. movable seat; 306. motor; 307. lower sealing seat; 308. upper sealing seat; 309. pressure gauge; 310. air pump; 311. heat insulation board; 312. heat insulation door; 313. protective shell; 314. fan; 315. compressor; 316. refrigerant pipe; 317. heat medium pipe. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[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] See also Figure 1-5 The utility model provides an embodiment: an automatic valve sealing performance testing device, including a box body 1 and a testing mechanism 3, a box door 2 is arranged on the front of the box body 1, a testing mechanism 3 is arranged on one side of the box door 2, a slide rail 301 is arranged on the bottom of the box body 1, a slider 302 is arranged above the slide rail 301, a fixed seat 303 is arranged above the slider 302, a heat insulation board 311 is arranged inside the box body 1, and a compressor 315 is arranged above the heat insulation board 311.

[0027] Specifically, two groups of slide rails 301 are provided, and the slider 302 is slidably connected to the slide rails 301 . The slider 302 forms a movable structure with the box body 1 through the slide rails 301 . The slider 302 moves on the slide rails 301 to adjust the valve position to switch the test environment.

[0028] Specifically, a threaded rod 304 is arranged above the fixed seat 303, and a movable seat 305 is slidably connected to the outer side of the threaded rod 304, and a motor 306 is connected to the top of the threaded rod 304, and a lower sealing seat 307 is arranged on one side of the threaded rod 304, and an upper sealing seat 308 is arranged below the movable seat 305. The lower sealing seat 307 corresponds to the upper sealing seat 308 in position, and the lower sealing seat 307 and the upper sealing seat 308 are both conical. The motor 306 drives the threaded rod 304 to rotate when it works, so that the height of the movable seat 305 changes, and the lower sealing seat 307 and the upper sealing seat 308 cooperate to clamp the valve, and the conical lower sealing seat 307 and the upper sealing seat 308 can clamp valves of different diameters, thereby improving the applicability of the device.

[0029] Specifically, a pressure gauge 309 is provided above the lower sealing seat 307, and an air pump 310 is provided above the movable seat 305. The air pump 310 is connected to the upper sealing seat 308 by a pipeline. The air pump 310 injects air into the valve when it works, and the pressure gauge 309 detects the pressure in the valve to test the sealing performance of the valve.

[0030] Specifically, the insulation board 311 fits tightly with the box body 1, and an insulation door 312 is provided on the inner side of the insulation board 311. The insulation door 312 corresponds to the slide rail 301 one by one. When the valve position is switched, the insulation door 312 is opened, and after switching, the insulation door 312 is closed. The insulation board 311 can be used to isolate the heat on both sides of the box body 1 to avoid mutual influence.

[0031] Specifically, a protective shell 313 is provided on the top of the box body 1, and fans 314 are clamped on both sides of the protective shell 313. Multiple groups of fans 314 are provided to discharge the heat generated by the compressor 315 to avoid affecting the operation of the compressor 315.

[0032] Specifically, the compressor 315 is fixedly connected to the box body 1, the refrigerant pipe 316 is connected to the left side of the compressor 315, and the heat medium pipe 317 is connected to the right side of the compressor 315. When the compressor 315 works, the heat of the refrigerant pipe 316 and the heat medium pipe 317 is transferred, and then the refrigerant pipe 316 cools down the space on the left side of the insulation board 311, and the heat medium pipe 317 heats up the space on the right side of the insulation board 311. Working at the same time can save energy.

[0033] Working principle: First, place the valve between the lower sealing seat 307 and the upper sealing seat 308, then the motor 306 starts to drive the threaded rod 304 to rotate, so that the height of the movable seat 305 changes, and the lower sealing seat 307 and the upper sealing seat 308 cooperate to clamp the valve. The conical lower sealing seat 307 and the upper sealing seat 308 can clamp valves of different diameters to improve the applicability of the device. Then close the door 2, the compressor 315 starts to transfer the heat of the refrigerant pipe 316 and the heat medium pipe 317, and then the refrigerant pipe 316 presses the air on the left side of the insulation board 311. The temperature is lowered, the heat medium pipe 317 heats up the space on the right side of the insulation board 311, and at the same time the air pump 310 works to inject air into the valve, and the pressure gauge 309 detects the pressure in the valve to test the sealing of the valve. After a period of time, the insulation door 312 is opened, and the slider 302 moves on the slide rail 301 to adjust the valve position to switch the test environment. After the switch, the insulation door 312 is closed, and the insulation board 311 can be used to isolate the heat on both sides of the box body 1 to avoid mutual influence, so as to test the sealing of the valve working in an alternating hot and cold environment.

[0034] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. An automatic valve sealing performance testing device, comprising a box (1) and a testing mechanism (3), characterized in that: A box door (2) is arranged on the front of the box body (1), a testing mechanism (3) is arranged on one side of the box door (2), a slide rail (301) is arranged on the bottom of the box body (1), a slider (302) is arranged above the slide rail (301), a fixed seat (303) is arranged above the slider (302), a heat insulation board (311) is arranged inside the box body (1), and a compressor (315) is arranged above the heat insulation board (311).

2. An automatic valve sealing performance testing device according to claim 1, characterized in that: The slide rails (301) are provided in two groups, the sliders (302) are slidably connected to the slide rails (301), and the sliders (302) form a movable structure with the box body (1) through the slide rails (301).

3. The automatic valve sealing performance testing device according to claim 1, characterized in that: A threaded rod (304) is arranged above the fixed seat (303), a movable seat (305) is slidably connected to the outer side of the threaded rod (304), a motor (306) is connected to the top of the threaded rod (304), a lower sealing seat (307) is arranged on one side of the threaded rod (304), an upper sealing seat (308) is arranged below the movable seat (305), the lower sealing seat (307) corresponds to the upper sealing seat (308) in position, and both the lower sealing seat (307) and the upper sealing seat (308) are conical.

4. The automatic valve sealing performance testing device according to claim 3, characterized in that: A pressure gauge (309) is disposed above the lower sealing seat (307), and an air pump (310) is disposed above the movable seat (305). The air pump (310) is connected to the upper sealing seat (308) via a pipeline.

5. The automatic valve sealing performance testing device according to claim 1, characterized in that: The heat insulation board (311) is tightly fitted with the box body (1); an heat insulation door (312) is arranged on the inner side of the heat insulation board (311); and the heat insulation door (312) corresponds to the slide rail (301) one by one.

6. The automatic valve sealing performance testing device according to claim 1, characterized in that: A protective shell (313) is arranged on the top of the box body (1), fans (314) are clamped on both sides of the protective shell (313), and multiple groups of fans (314) are arranged.

7. The automatic valve sealing performance testing device according to claim 1, characterized in that: The compressor (315) is fixedly connected to the housing (1); a refrigerant pipe (316) is connected to the left side of the compressor (315), and a heat medium pipe (317) is connected to the right side of the compressor (315).

Images