Valve sealing performance detection device

Abstract

The utility model discloses a valve sealing performance detection device, which belongs to the technical field of valve sealing performance detection, and comprises a connecting and fixing mechanism, a pressing assembly, an injection assembly, a detection box, an observation window, a connecting plate, a support plate and a valve, and the connecting and fixing mechanism comprises a fixing assembly and a connecting assembly. The fixing assembly can be connected with the connecting assembly, the connecting assembly can be used for connecting and supporting the valve so as to be matched with the fixing assembly for use, the valve can be clamped and fixed, the abutting assembly can abut against the valve so as to be matched with the connecting and fixing mechanism for use, and one end of the valve can be sealed; meanwhile, the abutting assembly can be connected with an external inflator pump with data display, so that air injection treatment can be conducted on the interior of the valve, the injection assembly can conduct water injection treatment on the interior of the detection box, the connection fixing mechanism and the abutting assembly are matched for use, the sealing performance effect of the valve can be detected, and the defect position of the valve can be determined.

Description

Technical Field

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

[0002] Valves are control components in fluid delivery systems and have functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion or overflow pressure relief.

[0003] At present, a Chinese utility model with announcement number: CN216621636U discloses a device for detecting the sealing performance of a valve, which relates to the field of valve production and detection, including a base, a left sliding plate is slidably connected to the left side of the top end of the base, an upper rubber pad that reciprocates up and down is connected to the bottom surface of the top plate of the left sliding plate, a lower rubber pad that reciprocates up and down is connected to the middle of the top end of the base, a valve is arranged between the upper rubber pad and the lower rubber pad, a water tank and a booster are also arranged on the top end of the base, the water tank is connected to the valve through a water pipe, and the booster is connected to the valve through a ventilation pipe, in this utility model, a high-pressure water environment is formed inside the valve by injecting water into the valve and boosting the pressure, and whether the sealing performance of the valve is qualified is judged by observing whether there is water seepage on the surface of the valve, and the leakage point of the valve can be accurately marked, which is convenient for subsequent processing.

[0004] Before a valve is put into use, it is necessary to conduct sampling inspection on its airtightness, which requires the use of a valve sealing detection device. Existing methods for testing the airtightness of valves mostly directly use an air pump to inject air into the valve, and then observe the air pressure value above the air pump to determine whether the valve's airtightness is qualified. However, the gas cannot be observed with the naked eye, so when there is a problem with the valve's airtightness, it is impossible to determine which specific part has a problem, which makes it inconvenient to repair the valve. Utility Model Content

[0005] The utility model provides a valve sealing detection device, aiming to solve the problem that the existing valve sealing detection methods mostly directly use an air pump to inject gas into the valve, and then observe the air pressure value above the air pump to judge whether the valve sealing performance is qualified. However, the gas cannot be observed with the naked eye, so when the valve sealing performance has problems, it is impossible to determine which specific part has problems, which makes it inconvenient to repair the valve.

[0006] The utility model is implemented as follows: a valve sealing detection device comprises a connecting and fixing mechanism, a pressing assembly, an injection assembly, a detection box, an observation window, a connecting plate, a support plate and a valve, wherein the connecting and fixing mechanism is arranged at the rear side of the detection box, the pressing assembly is arranged at the front side of the detection box, the injection assembly is arranged at the rear side of the detection box, the observation window is fixedly connected to both sides of the detection box, the connecting plate is fixedly connected to the front side of the detection box, the support plate is fixedly connected to the top of the connecting plate, and the valve is clamped between the connecting and fixing mechanism and the opposite side of the pressing assembly;

[0007] The connection and fixing mechanism comprises a fixing component and a connecting component. The fixing component is arranged at the top of the interior of the detection box, and the connecting component is arranged at the bottom of the interior of the detection box.

[0008] In order to enable the fixing component to achieve the effect of connecting the connecting component, as a preferred valve sealing detection device of the utility model, the fixing component includes a fixing rod, a first electric telescopic rod and a clamping plate, the fixing rod is fixedly connected to both sides inside the detection box, the first electric telescopic rod is fixedly connected to the bottom of the fixing rod, and the clamping plate is fixedly connected to the bottom of the first electric telescopic rod.

[0009] In order to enable the connecting component to achieve the effect of connecting and supporting the valve, and thus to be used in conjunction with the fixing component to achieve the effect of clamping and fixing the valve, a preferred valve sealing detection device of the utility model comprises a connecting component including a connecting block, a soft sealing pad and a supporting member, wherein the connecting block is fixedly connected to the rear side of the inside of the detection box, the soft sealing pad is fixedly connected to the front side of the connecting block, the supporting member is fixedly connected to the bottom of the inside of the detection box, and the rear side of the supporting member is in contact with the front side of the soft sealing pad.

[0010] In order to make the pressing component achieve the effect of pressing the valve, it is used in conjunction with the connecting and fixing mechanism to achieve the effect of sealing one end of the valve. At the same time, the pressing component can be connected to an external air pump with data display, so that the inside of the valve can be injected with air. As a preferred valve sealing detection device of the utility model, the pressing component includes a contact pad, a connecting gasket, a through pipe and an air injection pipe. The contact pad is fixedly connected to the rear side of the connecting gasket, the connecting gasket is fixedly connected to the rear side of the through pipe, and the air injection pipe is fixedly connected to the top of the through pipe.

[0011] In order to enable the injection component to achieve the effect of injecting water into the interior of the detection box, it is used in conjunction with the connecting and fixing mechanism and the pressing component to detect the valve sealing performance and determine the valve defects. As a preferred valve sealing detection device of the utility model, the injection component includes a delivery pipe, a control panel, a water tank, an extraction pipe and a one-way valve. The delivery pipe is fixedly connected to the top of the water tank, the control panel is fixedly connected to the left side of the water tank, the water tank is fixedly connected to the rear side of the detection box, the extraction pipe is fixedly connected to the bottom of the water tank and the detection box, and the one-way valve is fixedly connected to the inside of the extraction pipe.

[0012] In order to enable the support frame to achieve the effect of sliding connection and limiting support for the through pipe, as a preferred valve sealing detection device of the utility model, the bottom of the detection box is fixedly connected with a support frame, and the inner wall of the support frame is slidably connected to the surface of the through pipe.

[0013] In order to enable the drain hole to discharge the water in the test box, and to enable the sealing cover to seal the drain hole, a valve sealing detection device is preferably provided in the utility model, wherein a drain hole is provided at the bottom of the test box, and a sealing cover is clamped on the inner wall of the drain hole.

[0014] In order to enable the support block to achieve the effect of connecting and supporting the delivery pipe, as a preferred valve sealing detection device of the utility model, the surface of the delivery pipe is fixedly connected with a support block, and the front side of the support block is fixedly connected to the rear side of the detection box.

[0015] In order to enable the gas injection hole to achieve the effect of injecting gas into the interior of the valve, as a preferred valve sealing detection device of the utility model, the middle part of the front side of the resistance pad and the connecting gasket are both provided with gas injection holes, and the gas injection holes are connected to the through pipe.

[0016] In order to enable the second electric telescopic rod to achieve the effect of adjusting the through pipe forward and backward, as a preferred valve sealing detection device of the utility model, the rear side of the support plate is fixedly connected with the second electric telescopic rod, and the rear side of the second electric telescopic rod is fixedly connected to the front side of the through pipe.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The sealing detection device of the valve is provided with a connecting and fixing mechanism, and the connecting and fixing mechanism includes a fixing component and a connecting component. Through the setting of the fixing component, the fixing component can achieve the effect of connecting the connecting component. Through the setting of the connecting component, the connecting component can achieve the effect of connecting and supporting the valve, so that when used in conjunction with the fixing component, the valve can be clamped and fixed. Through the setting of the pressing component, the pressing component can achieve the effect of pressing the valve. So when used in conjunction with the connecting and fixing mechanism, one end of the valve can be sealed. At the same time, the pressing component can be connected to an external air pump with data display, so that the inside of the valve can be injected with air. Through the setting of the injection component, the injection component can achieve the effect of injecting water into the inside of the detection box. So when used in conjunction with the connecting and fixing mechanism and the pressing component, the sealing performance of the valve can be detected and the defects of the valve can be determined. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall structural diagram of the valve sealing detection device of the utility model;

[0020] Figure 2 It is a three-dimensional schematic diagram of the connection and fixing mechanism, the pressing component and the injection component in the utility model;

[0021] Figure 3 It is a three-dimensional schematic diagram of the connection and fixing mechanism in the utility model;

[0022] Figure 4 It is a connection diagram of the injection assembly in the utility model;

[0023] Figure 5 It is a connection diagram of the pressing component in the utility model;

[0024] Figure 6 It is a connection schematic diagram of the second electric telescopic rod in the utility model.

[0025] In the figure, 1. connecting and fixing mechanism; 101. fixing assembly; 1011. fixing rod; 1012. first electric telescopic rod; 1013. splint; 102. connecting assembly; 1021. connecting block; 1022. soft closed pad; 1023. supporting member; 2. pressing assembly; 201. contact pad; 202. connecting gasket; 203. through pipe; 204. air injection pipe; 3. injection assembly; 301. delivery pipe; 302. control panel; 303. water tank; 304. extraction pipe; 305. one-way valve; 4. detection box; 5. observation window; 6. connecting plate; 7. supporting plate; 8. valve; 9. supporting frame; 10. drainage hole; 11. closed cover; 12. supporting block; 13. air injection hole; 14. second electric telescopic rod. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0028] See also Figure 1-6 The utility model provides a technical solution: a valve sealing detection device, comprising a connecting and fixing mechanism 1, a pressing component 2, an injection component 3, a detection box 4, an observation window 5, a connecting plate 6, a support plate 7 and a valve 8, wherein the connecting and fixing mechanism 1 is arranged at the rear side of the detection box 4, the pressing component 2 is arranged at the front side of the detection box 4, the injection component 3 is arranged at the rear side of the detection box 4, the observation window 5 is fixedly connected to both sides of the detection box 4, the connecting plate 6 is fixedly connected to the front side of the detection box 4, the support plate 7 is fixedly connected to the top of the connecting plate 6, and the valve 8 is clamped between the opposite sides of the connecting and fixing mechanism 1 and the pressing component 2;

[0029] The connecting and fixing mechanism 1 comprises a fixing component 101 and a connecting component 102 . The fixing component 101 is arranged at the top inside the detection box 4 , and the connecting component 102 is arranged at the bottom inside the detection box 4 .

[0030] In this embodiment: through the setting of the connecting and fixing mechanism 1, the connecting and fixing mechanism 1 includes a fixing component 101 and a connecting component 102. Through the setting of the fixing component 101, the fixing component 101 can achieve the effect of connecting the connecting component 102. Through the setting of the connecting component 102, the connecting component 102 can achieve the effect of connecting and supporting the valve 8, so that when used in conjunction with the fixing component 101, the valve 8 can be clamped and fixed. Through the setting of the pressing component 2, the pressing component 2 can achieve the effect of pressing the valve 8, so that when used in conjunction with the connecting and fixing mechanism 1, the valve 8 can be sealed at one end. At the same time, the pressing component 2 can be connected to an air pump with data display outside, so that the inside of the valve 8 can be injected with gas. Through the setting of the injection component 3, the injection component 3 can achieve the effect of injecting water into the inside of the detection box 4, so that when used in conjunction with the connecting and fixing mechanism 1 and the pressing component 2, the sealing performance of the valve 8 can be detected, and the defects of the valve 8 can be determined.

[0031] As a technical optimization solution of the utility model, the fixing component 101 includes a fixing rod 1011, a first electric telescopic rod 1012 and a splint 1013. The fixing rod 1011 is fixedly connected to both sides inside the detection box 4, the first electric telescopic rod 1012 is fixedly connected to the bottom of the fixing rod 1011, and the splint 1013 is fixedly connected to the bottom of the first electric telescopic rod 1012.

[0032] In this embodiment: through the setting of the fixing rod 1011, the fixing rod 1011 can achieve the effect of connecting and supporting the first electric telescopic rod 1012, and through the setting of the first electric telescopic rod 1012, the first electric telescopic rod 1012 can achieve the effect of connecting and supporting the splint 1013, and through the setting of the splint 1013, the splint 1013 is used in conjunction with the support member 1023.

[0033] As a technical optimization solution of the utility model, the connecting component 102 includes a connecting block 1021, a soft sealed pad 1022 and a support member 1023. The connecting block 1021 is fixedly connected to the rear side of the inside of the detection box 4, the soft sealed pad 1022 is fixedly connected to the front side of the connecting block 1021, and the support member 1023 is fixedly connected to the bottom of the inside of the detection box 4, and the rear side of the support member 1023 is in contact with the front side of the soft sealed pad 1022.

[0034] In this embodiment: through the setting of the connecting block 1021, the connecting block 1021 can achieve the effect of connecting the soft sealing pad 1022, and through the setting of the soft sealing pad 1022, the soft sealing pad 1022 can achieve the effect of sealing one end of the valve 8, and through the setting of the support member 1023, the support member 1023 cooperates with the splint 1013 to achieve the effect of clamping and fixing the valve 8.

[0035] As a technical optimization solution of the utility model, the pressure component 2 includes a resistance pad 201, a connecting gasket 202, a through pipe 203 and an air injection pipe 204, the resistance pad 201 is fixedly connected to the rear side of the connecting gasket 202, the connecting gasket 202 is fixedly connected to the rear side of the through pipe 203, and the air injection pipe 204 is fixedly connected to the top of the through pipe 203.

[0036] In this embodiment: by setting the resistance pad 201, the resistance pad 201 can achieve the effect of sealing the other end of the valve 8; by setting the connecting gasket 202, the connecting gasket 202 can achieve the effect of connecting the resistance pad 201; by setting the through pipe 203, the through pipe 203 can achieve the effect of connecting the connecting gasket 202; by setting the gas injection pipe 204, the gas injection pipe 204 can achieve the effect of transporting gas to the inside of the through pipe 203.

[0037] As a technical optimization solution of the utility model, the injection assembly 3 includes a delivery pipe 301, a control panel 302, a water tank 303, an extraction pipe 304 and a one-way valve 305. The delivery pipe 301 is fixedly connected to the top of the water tank 303, the control panel 302 is fixedly connected to the left side of the water tank 303, the water tank 303 is fixedly connected to the rear side of the detection box 4, the extraction pipe 304 is fixedly connected to the bottom of the water tank 303 and the detection box 4, and the one-way valve 305 is fixedly connected to the inside of the extraction pipe 304.

[0038] In this embodiment: through the setting of the delivery pipe 301, the delivery pipe 301 can inject water into the detection box 4; through the setting of the control panel 302, a water pump is provided inside the water tank 303, and the control panel 302 can issue instructions to it; through the setting of the extraction pipe 304, the extraction pipe 304 can extract the water in the detection box 4 into the detection box 4; through the setting of the one-way valve 305, the one-way valve 305 can prevent the water from flowing back.

[0039] As a technical optimization solution of the present invention, a support frame 9 is fixedly connected to the bottom of the interior of the detection box 4 , and the inner wall of the support frame 9 is slidably connected to the surface of the through pipe 203 .

[0040] In this embodiment, by disposing the support frame 9 , the support frame 9 can achieve the effects of sliding connection and position-limiting support for the through pipe 203 .

[0041] As a technical optimization solution of the present invention, a drainage hole 10 is provided at the bottom of the detection box 4 , and a sealing cover 11 is clamped on the inner wall of the drainage hole 10 .

[0042] In this embodiment, by setting the drain hole 10 , the drain hole 10 can achieve the effect of discharging the water in the detection box 4 , and by setting the sealing cover 11 , the sealing cover 11 can achieve the effect of sealing the drain hole 10 .

[0043] As a technical optimization solution of the present invention, a support block 12 is fixedly connected to the surface of the delivery pipe 301 , and the front side of the support block 12 is fixedly connected to the rear side of the detection box 4 .

[0044] In this embodiment, by disposing the support block 12 , the support block 12 can achieve the effect of connecting and supporting the delivery pipe 301 .

[0045] As a technical optimization solution of the present invention, an air injection hole 13 is provided in the middle of the front side of the abutment pad 201 and the connection gasket 202 , and the air injection hole 13 is connected to the through pipe 203 .

[0046] In this embodiment, the gas injection hole 13 is provided so that the gas can be injected into the valve 8 .

[0047] As a technical optimization solution of the present invention, a second electric telescopic rod 14 is fixedly connected to the rear side of the support plate 7 , and the rear side of the second electric telescopic rod 14 is fixedly connected to the front side of the through pipe 203 .

[0048] In this embodiment, by disposing the second electric telescopic rod 14 , the second electric telescopic rod 14 can achieve the effect of adjusting the through pipe 203 forward and backward.

[0049] Working principle: First, place the valve 8 on the top of the support 1023, then open the first electric telescopic rod 1012, so that the clamping plate 1013 cooperates with the support 1023 to clamp and support the valve 8, then open the second electric telescopic rod 14, so that the second electric telescopic rod 14 adjusts the through pipe 203, so that the contact pad 201 presses the front side of the valve 8, and then pushes the valve 8, so that the back side of the valve 8 contacts the front side of the soft sealing pad 1022, and then connect the air pump with data display to the air injection pipe 204, and then use the control panel 302 to make the water tank 303 Water is poured into the detection box 4 through the delivery pipe 301, and the water level is observed through the observation window 5 until the water level is higher than the valve 8. Then the air pump is turned on to inject air into the through pipe 203, so that the gas enters the inside of the valve 8 through the air injection hole 13. Then, it is observed through the top of the detection box 4 and the observation window 5 whether there are bubbles on the surface of the valve 8. If not, the sealing performance of the valve 8 is good. If so, it means that the sealing performance of the valve 8 is poor. Then, the defect of the valve 8 is determined according to the point where the bubbles emerge. After the inspection is completed, the water in the detection box 4 is extracted into the water tank 303 through the extraction pipe 304, and then the valve 8 can be taken out.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve sealing detection device, comprising a connecting and fixing mechanism (1), a pressing assembly (2), an injection assembly (3), a detection box (4), an observation window (5), a connecting plate (6), a supporting plate (7) and a valve (8), characterized in that: The connecting and fixing mechanism (1) is arranged at the rear side of the detection box (4), the pressing assembly (2) is arranged at the front side of the detection box (4), the injection assembly (3) is arranged at the rear side of the detection box (4), the observation window (5) is fixedly connected to both sides of the detection box (4), the connecting plate (6) is fixedly connected to the front side of the detection box (4), the supporting plate (7) is fixedly connected to the top of the connecting plate (6), and the valve (8) is clamped between the opposite sides of the connecting and fixing mechanism (1) and the pressing assembly (2); The connecting and fixing mechanism (1) comprises a fixing component (101) and a connecting component (102); the fixing component (101) is arranged at the top of the interior of the detection box (4); and the connecting component (102) is arranged at the bottom of the interior of the detection box (4).

2. A valve sealing detection device according to claim 1, characterized in that: The fixing assembly (101) comprises a fixing rod (1011), a first electric telescopic rod (1012) and a clamping plate (1013); the fixing rod (1011) is fixedly connected to two sides inside the detection box (4); the first electric telescopic rod (1012) is fixedly connected to the bottom of the fixing rod (1011); and the clamping plate (1013) is fixedly connected to the bottom of the first electric telescopic rod (1012).

3. A valve sealing detection device according to claim 1, characterized in that: The connection assembly (102) comprises a connection block (1021), a soft sealed pad (1022) and a support member (1023); the connection block (1021) is fixedly connected to the rear side of the interior of the detection box (4); the soft sealed pad (1022) is fixedly connected to the front side of the connection block (1021); the support member (1023) is fixedly connected to the bottom of the interior of the detection box (4); and the rear side of the support member (1023) is in contact with the front side of the soft sealed pad (1022).

4. A valve sealing detection device according to claim 1, characterized in that: The pressing assembly (2) comprises a contact pad (201), a connecting pad (202), a through pipe (203) and an air injection pipe (204); the contact pad (201) is fixedly connected to the rear side of the connecting pad (202), the connecting pad (202) is fixedly connected to the rear side of the through pipe (203), and the air injection pipe (204) is fixedly connected to the top of the through pipe (203).

5. A valve sealing detection device according to claim 1, characterized in that: The injection assembly (3) comprises a delivery pipe (301), a control panel (302), a water tank (303), an extraction pipe (304) and a one-way valve (305); the delivery pipe (301) is fixedly connected to the top of the water tank (303); the control panel (302) is fixedly connected to the left side of the water tank (303); the water tank (303) is fixedly connected to the rear side of the detection box (4); the extraction pipe (304) is fixedly connected to the bottom of the water tank (303) and the detection box (4); and the one-way valve (305) is fixedly connected to the inside of the extraction pipe (304).

6. A valve sealing detection device according to claim 4, characterized in that: A support frame (9) is fixedly connected to the bottom of the detection box (4), and the inner wall of the support frame (9) is slidably connected to the surface of the through pipe (203).

7. A valve sealing detection device according to claim 1, characterized in that: A drainage hole (10) is provided at the bottom of the detection box (4), and a sealing cover (11) is clamped on the inner wall of the drainage hole (10).

8. A valve sealing detection device according to claim 5, characterized in that: A support block (12) is fixedly connected to the surface of the delivery pipe (301), and the front side of the support block (12) is fixedly connected to the rear side of the detection box (4).

9. A valve sealing detection device according to claim 4, characterized in that: The middle parts of the front sides of the abutment pad (201) and the connection pad (202) are both provided with air injection holes (13), and the air injection holes (13) are connected to the through pipe (203).

10. A valve sealing detection device according to claim 4, characterized in that: A second electric telescopic rod (14) is fixedly connected to the rear side of the support plate (7), and the rear side of the second electric telescopic rod (14) is fixedly connected to the front side of the through pipe (203).

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