Stop valve leak detection device

Abstract

The utility model relates to the technical field of stop valve production, in particular to a leak detection device for a stop valve. According to the technical scheme, the stop valve comprises a movable frame, a base and a stop valve body, the movable frame is arranged at the top of the base, a floating assembly is arranged on the outer side of the movable frame and comprises floating frames, reset springs and limiting discs, the floating frames are slidably connected with the movable frame, the reset springs are fixedly connected between the floating frames and the movable frame, and the limiting discs are fixedly connected between the floating frames; a butt joint assembly is arranged on the inner side of the limiting disc and comprises a butt joint pipe, a positioning cone and a guide wheel. According to the utility model, through the combination of various structures, the butt joint pipe and the stop valve body can be quickly and accurately in butt joint, time and labor are saved, more convenience is brought to the leak detection operation of the stop valve body, the stop valve body can be placed on the support frame with a smaller force, and the leak detection efficiency is improved. The situation that impact is generated between the stop valve body and the supporting frame in the placing process can be avoided, and damage to the stop valve body is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cut -off valve production technical field, concretely is a cut -off valve leak detection device. BACKGROUND

[0002] In industrial production, the cut -off valve is a common valve type, and its function is to open or close the fluid passage, however, due to the influence of manufacturing process, use condition and multiple factors, the cut -off valve may appear leakage problem in the use process, this not only affects production efficiency, but also may cause resource waste and environmental pollution, needs leak detection operation to the cut -off valve in the process of cut -off valve production to guarantee that the cut -off valve product is qualified, but the cut -off valve leak detection device of prior art mostly adopts manual handling cut -off valve and the butt joint pipe of leak detection device to carry out butt joint operation, needs to spend long time to butt joint in the butt joint process, and the operation efficiency is low, and the precision is not high, and it is time -consuming and labor -intensive, and the leak detection operation is affected, so a cut -off valve leak detection device needs to be designed. SUMMARY

[0003] The utility model discloses a cut -off valve leak detection device to solve the problem in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a cut -off valve leak detection device, including moving frame, base and cut -off valve body, the top of base is equipped with moving frame, the outside of moving frame is equipped with floating assembly, floating assembly includes floating frame, return spring and limit disc, floating frame is connected with moving frame slidingly, and the fixed connection of floating frame and moving frame has return spring, and the fixed connection of floating frame has limit disc, the inboard of limit disc is equipped with butt joint component, the butt joint component includes butt joint pipe, positioning cone and guide wheel, the fixed connection of butt joint pipe and limit disc, the one end fixed mounting of butt joint pipe has positioning cone, and the outside rotation of positioning cone installs guide wheel, and the top of base between moving frame places cut -off valve body.

[0005] Preferably, the top of the base is fixedly installed with a support seat, the top of the support seat is fixedly installed with a support frame, the support frame is connected with the cut -off valve body, the two sides of the support seat are provided with a buffer assembly, the buffer assembly includes a movable arm, a buffer spring and a limiting frame, the movable arm is movably connected with the support seat, the movable arm is movably connected with the support seat, and the movable arm is movably connected with the support seat.

[0006] Preferably, the floating assembly further comprises a sealing gasket, one side of the limiting disc is fixedly connected with the sealing gasket, and the sealing gasket is connected with the flange plate of the cut -off valve body.

[0007] Preferably, the docking assembly further comprises a water delivery pipe and a sealing ring, the other end of the docking pipe is fixedly installed with the water delivery pipe, and the outer side of the docking pipe is fixedly connected with the sealing ring.

[0008] Preferably, the mobile frame and the floating frame are slidably connected through a sliding groove, and the sliding groove is arranged on the two sides of the floating frame.

[0009] Preferably, the base and the mobile frame are slidably connected, and the base and the mobile frame are fixedly installed with a hydraulic push rod.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1. By setting the floating assembly and the docking assembly, the positioning cone can guide and position the extension into the stop valve body during the docking process of the stop valve body, the floating assembly can automatically float up and down according to the positioning position, the docking pipe and the stop valve body can be quickly and accurately docked, manual docking operation is not needed, time and labor are saved, and the leakage detection operation of the stop valve body is more convenient.

[0012] 2. By setting the supporting frame and the buffer assembly, the stop valve body can be placed on the supporting frame, the limiting frame can buffer and support the valve body pipelines at both ends of the stop valve body, the stop valve body can be placed on the supporting frame with light force, the impact between the stop valve body and the supporting frame during placement can be avoided, and damage to the stop valve body can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a buffer assembly structural schematic diagram of the utility model;

[0015] Figure 3 It is a mobile frame structural schematic diagram of the utility model;

[0016] Figure 4 It is a floating assembly structural schematic diagram of the utility model;

[0017] Figure 5 It is a docking assembly structural schematic diagram of the utility model.

[0018] In the figure: 1, moving frame; 101, sliding groove; 2, floating assembly; 201, floating frame; 202, return spring; 203, limiting disc; 204, sealing gasket; 3, butt joint assembly; 301, butt joint pipe; 302, water delivery pipe; 303, positioning cone; 304, guide wheel; 305, sealing ring; 4, base; 401, hydraulic push rod; 5, support seat; 501, support frame; 6, buffer assembly; 601, movable arm; 602, buffer spring; 603, limiting frame; 7, stop valve body. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be further explained in connection with the drawings and specific embodiments.

[0020] Embodiment one

[0021] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the utility model provides a stop valve leak detection device, including moving frame 1, base 4 and stop valve body 7, the top of base 4 is equipped with moving frame 1, base 4 and moving frame 1 are connected slidingly, hydraulic push rod 401 is fixedly installed between base 4 and moving frame 1, can be pushed moving frame 1 and carry out horizontal sliding operation through the telescopic activity of hydraulic push rod 401, can facilitate butt joint assembly 3 and stop valve body 7 and carry out butt joint operation, the outside of moving frame 1 is equipped with floating assembly 2, floating assembly 2 includes floating frame 201, return spring 202 and limiting disc 203, floating frame 201 and moving frame 1 are connected slidingly, moving frame 1 and floating frame 201 are slidably installed through sliding groove 101, sliding groove 101 is opened in the both sides of floating frame 201, can make floating frame 201 can slide up and down along sliding groove 101, can conveniently adjust the position of butt joint assembly 3, return spring 202 is fixedly connected between floating frame 201 and moving frame 1, can make floating frame 201 reset through the action of return spring 202 when not leak detection operation,

[0022] The floating frame 201 is fixedly connected with a limiting disc 203, the inner side of the limiting disc 203 is provided with a butt joint assembly 3, the butt joint assembly 3 comprises a butt joint pipe 301, a positioning cone 303 and a guide wheel 304, the butt joint pipe 301 is fixedly connected with the limiting disc 203, one end of the butt joint pipe 301 is fixedly installed with the positioning cone 303, the outer side of the positioning cone 303 is rotatably installed with the guide wheel 304, the base 4 between the moving frames 1 is placed with the stop valve body 7, when the moving frames 1 are driven to move close to the stop valve body 7, the positioning cone 303 can be inserted into the pipeline openings at both ends of the stop valve body 7, when the butt joint pipe 301 is not aligned with the pipeline openings at both ends of the stop valve body 7, the positioning cone 303 can be limited by the rolling action of the guide wheel 304 and the pipeline openings at both ends of the stop valve body 7, so that the positioning cone 303 can be moved to align with the pipeline openings at both ends of the stop valve body 7, the floating frame 201 can slide up and down outside the moving frames 1, and can automatically move during alignment, so that the butt joint pipe 301 can quickly butt joint with the pipeline openings at both ends of the stop valve body 7, without manual butt joint operation, saving time and effort, and bringing more convenience to the leak detection operation of the stop valve body 7;

[0023] The floating assembly 2 further comprises a sealing gasket 204, the limiting disc 203 is fixedly connected with the sealing gasket 204 on one side, the sealing gasket 204 is connected with the flange plate of the stop valve body 7 in cooperation, the butt joint assembly 3 further comprises a water delivery pipe 302 and a sealing ring 305, the other end of the butt joint pipe 301 is fixedly installed with the water delivery pipe 302, the outer side of the butt joint pipe 301 is fixedly connected with the sealing ring 305, by continuing to move the moving frames 1, the limiting disc 203 can contact and fit with the flange plates of the pipelines at both ends of the stop valve body 7, the limiting disc 203 and the flange plates can be sealed by the sealing gasket 204, when the butt joint pipe 301 is inserted into the pipeline openings at both sides of the stop valve body 7, the sealing ring 305 can be extruded and fitted with the inner wall of the pipeline openings, so that the butt joint pipe 301 and the pipeline openings of the stop valve body 7 can be sealed, and the secondary sealing effect can be effectively formed in cooperation with the sealing gasket 204, so as to avoid leakage at the butt joint position during leak detection, the water delivery pipe 302 can be conveniently connected with an external water source, water can be injected into the butt joint pipe 301, so that the water flows through the stop valve body 7, and the leakage of the stop valve body 7 can be judged by observing whether water seeps out of the surface of the stop valve body 7;

[0024] The top of the base 4 is fixedly provided with a supporting seat 5, the supporting seat 5 is fixedly connected with the base 4 through bolts, the top of the supporting seat 5 is fixedly provided with a supporting frame 501, the supporting frame 501 is connected with the stop valve body 7, the valve body position of the stop valve body 7 can be supported through the supporting frame 501, the both sides of the supporting seat 5 are provided with a buffer assembly 6, the buffer assembly 6 comprises a movable arm 601, a buffer spring 602 and a limiting frame 603, the movable arm 601 is movably connected with the supporting seat 5 through a movable joint, the buffer spring 602 is movably connected between the movable arm 601 and the supporting seat 5, the top of the movable arm 601 is fixedly connected with the limiting frame 603 which is matched with the stop valve body 7, when the stop valve body 7 is placed on the supporting frame 501, the limiting frame 603 can first buffer and support the outer walls of the pipelines at both ends of the stop valve body 7, when the movable arm 601 is pressed, it can be turned down to press the buffer spring 602, through the elastic effect of the buffer spring 602, the speed of the movable arm 601 turning down can be effectively slowed down, the stop valve body 7 can be placed on the supporting frame 501 with light force, the situation that the stop valve body 7 is heavy and generates great impact between the stop valve body 7 and the supporting frame 501 when being placed can be avoided, and the stop valve body 7 can be effectively prevented from being damaged.

[0025] The working principle of the leak detection device for the stop valve based on the embodiment is as follows: the pipelines at both ends of the stop valve body 7 are placed on the limiting frame 603, the movable arm 601 is turned down by the gravity of the stop valve body 7, the force when the stop valve body 7 is placed can be buffered, the valve body position of the stop valve body 7 is in contact with the supporting frame 501 for support, the movable frame 1 is moved by the hydraulic push rod 401, the positioning cone 303 is inserted into the pipelines at both ends of the stop valve body 7, through the rolling of the guide wheel 304, the positioning cone 303 can be smoothly inserted into the pipelines at both ends of the stop valve body 7, the floating frame 201 is moved correspondingly, the positioning cone 303 is aligned with the pipelines at both ends of the stop valve body 7, the butt joint pipe 301 is quickly butt jointed with the pipelines at both ends of the stop valve body 7, the water source is injected into the butt joint pipe 301, the water flow is guided into the stop valve body 7 for circulation, whether the water flow leaks from the surface of the stop valve body 7 is observed to determine the leakage of the stop valve body 7.

[0026] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the above specific embodiments can be made by the person skilled in the art in multiple alternative improvements and combinations.

Claims

1. A leak detection device for a globe valve, the device comprising: The utility model provides a movable frame (1), base (4) and stop valve body (7), the top of base (4) is equipped with movable frame (1), the outside of movable frame (1) is equipped with floating assembly (2), floating assembly (2) includes floating frame (201), reset spring (202) and limit disc (203), floating frame (201) with movable frame (1) sliding connection, reset spring (202) is fixedly connected between floating frame (201) and movable frame (1), limit disc (203) is fixedly connected between floating frame (201), the inside of limit disc (203) is equipped with butt joint assembly (3), butt joint assembly (3) includes butt joint pipe (301), locating cone (303) and guide wheel (304), butt joint pipe (301) with limit disc (203) fixedly connected, one end of butt joint pipe (301) is fixedly installed with locating cone (303), the outside of locating cone (303) is rotatably installed with guide wheel (304), the top of base (4) between movable frame (1) places stop valve body (7).

2. A leak detection device for a globe valve as defined in claim 1, wherein: The top of base (4) is fixedly installed with support seat (5), the top of support seat (5) is fixedly installed with support frame (501), support frame (501) is connected with stop valve body (7), both sides of support seat (5) are equipped with buffer assembly (6), buffer assembly (6) includes movable arm (601), buffer spring (602) and limit frame (603), movable arm (601) is movably connected with support seat (5), buffer spring (602) is movably connected between movable arm (601) and support seat (5), the top of movable arm (601) is fixedly connected with limit frame (603) matched with stop valve body (7).

3. A leak detection device for a globe valve as defined in claim 1, wherein: The floating assembly (2) further includes a sealing gasket (204), one side of the limit disc (203) is fixedly connected with the sealing gasket (204), and the sealing gasket (204) is matched with the flange plate of the stop valve body (7).

4. A leak detection device for a globe valve as defined in claim 1, wherein: The butt joint assembly (3) further includes a water delivery pipe (302) and a sealing ring (305), and the other end of the butt joint pipe (301) is fixedly installed with the water delivery pipe (302).

5. A leak detection device for a globe valve as defined in claim 1, wherein: The movable frame (1) and the floating frame (201) are slidably connected through a sliding groove (101) formed on both sides of the floating frame (201).

6. A leak detection device for a globe valve as defined in claim 1, wherein: The base (4) and the movable frame (1) are slidably connected, and a hydraulic push rod (401) is fixedly installed between the base (4) and the movable frame (1).

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