Sealing detection tool for safety valve

Abstract

The utility model relates to the technical field of safety valve sealing detection, and discloses a sealing detection tool for a safety valve, which comprises a box body filled with a water body, a detection device is arranged on the box body, and the detection device comprises a mounting part. The sealing detection tool for the safety valve comprises a light-transmitting cover; by arranging a clamping plate, a screw rod, a limiting column, a mounting plate, a rotating disc, a motor, a gear, a gear ring and a silica gel sealing gasket, the screw rod is rotated, so that the clamping plate rightwards clamps the safety valve, the right end face of an air inlet of the safety valve is in extrusion contact with the silica gel sealing gasket, the motor is started, the rotating disc and the safety valve are driven to rotate, the safety valve sinks into water, and air is guided into the safety valve; the sealing performance of the safety valve can be judged by observing whether the water body in the box body emits bubbles, and the bubbles are observed more intuitively; by arranging the gas inlet pipe, the rotating shell, the connecting pipe and the gas inlet shell, gas is guided into the gas inlet pipe and enters the safety valve, and then whether the safety valve leaks gas or not can be observed.

Description

TECHNICAL FIELD

[0001] The utility model relates to safety valve sealing detection technical field, concretely is a kind of safety valve sealing detection tool. BACKGROUND

[0002] Safety valve is an important safety device, is widely used in various pressure vessels and piping systems, and its core function is to prevent system from being dangerous due to overpressure.

[0003] Chinese patent discloses a kind of detection table for facilitating safety valve calibration, and the announcement number is CN222049570U, including detection table, the inner wall of detection table is fixedly connected with heating plate, the top of heating plate is fixedly connected with temporary holding tank, temporary holding tank is fixedly connected with cold gas pipe, high-pressure gas pipe and argon pipe, the top of detection table is fixedly connected with detection plate, further including: the structure for clamping safety valve is set on detection plate, the structure is used for the fixation of safety valve and the fine adjustment of its position, first screw rod is rotated to make fixed plate move by driving runner, and safety valve is preliminarily fixed, then slowly rotate knob to drive second screw rod and positioning plate to move, the position of safety valve is fine-adjusted and fixed, avoid the position of safety valve from being deviated, further guarantee the sealing property when safety valve is tested, reduce the error generated when detecting, and it is practical.

[0004] But still include following shortcoming: device is inflated into air to safety valve interior, the sealing property of safety valve is detected, but safety valve is exposed to air, it is not convenient to observe whether the condition of leakage occurs on safety valve outer surface.For this reason, we propose a kind of safety valve sealing detection tool to solve this problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of safety valve sealing detection tool to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of safety valve sealing detection tool, including the box body of being equipped with water body, the detection device is arranged on the box body, and the detection device includes installation part;

[0007] The installation part includes mounting plate and turntable, the outer surface of the turntable is provided with annular groove, the inner wall of the mounting plate extends to the inside of annular groove and is slidably connected with the inner wall of the turntable, and the outer surface of the mounting plate is fixedly connected with the inner wall of the box body;

[0008] The air inlet portion is arranged in the box body;

[0009] The air inlet portion includes air inlet pipe, and the outer surface of the left end of the air inlet pipe is rotatably sleeved with rotating shell by sealing bearing.

[0010] Further improvement lies in that the mounting part further comprises a clamping plate, a screw rod, a limiting column, a motor, a gear, a silica gel sealing gasket and a tooth ring, the outer surface of the screw rod is rotationally connected with the outer surface of the rotating disc through a bearing seat, the clamping plate is threadedly sleeved on the outer surface of the screw rod, and the right end surface of the silica gel sealing gasket is fixedly connected with the left end surface of the rotating disc.

[0011] Further improvement lies in that the right end surface of the limiting column is fixedly connected with the left end surface of the rotating disc, a sliding groove is formed in the outer surface of the limiting column, and the outer surface of the clamping plate extends into the sliding groove and is slidably connected with the inner wall of the limiting column, so that the clamping plate is limited in position.

[0012] Further improvement lies in that the gear is fixedly sleeved on the outer surface of the motor output shaft, and the tooth ring is fixedly sleeved on the outer surface of the rotating disc, so that the rotating disc is controlled to rotate, and the safety valve is conveniently immersed in water.

[0013] Further improvement lies in that the air inlet part further comprises a connecting pipe, an air inlet shell, an abutting plate, a connecting rod, a sealing plate and a spring, a through hole is formed in the left end surface of the rotating disc, and the left end surface of the air inlet shell is fixedly connected with the right end surface of the rotating disc, so that air is conveniently introduced into the safety valve.

[0014] Further improvement lies in that the outer surface of the sealing plate is slidably connected with the inner wall of the air inlet shell, the left end surface of the sealing plate is fixedly connected with the right end surface of the connecting rod, the left end of the connecting rod extends to the left side of the rotating disc, the right end surface of the abutting plate is fixedly connected with the left end surface of the connecting rod, the left end of the spring is fixedly connected with the right end surface of the sealing plate, and the right end of the spring is fixedly connected with the inner wall of the air inlet shell, so that the left end of the air inlet shell is blocked by the elastic force of the spring, air is not introduced into the corresponding left side of the air inlet shell when the device is not installed with the safety valve, and high-pressure gas leakage is avoided.

[0015] Further improvement lies in that the left end surface of the connecting pipe is fixedly and penetratively connected with the right end surface of the air inlet shell, the outer surface of the connecting pipe is fixedly and penetratively connected with the outer surface of the rotating shell, and the outer surface of the air inlet pipe is fixedly and penetratively connected with the inner wall of the box body and extends to the right side of the box body, so that air is conveniently introduced into the safety valve.

[0016] Compared with the prior art, the safety valve sealing detection tool has the advantages that the light-transmitting cover is provided with the clamping plate, the screw rod, the limiting column, the mounting plate, the rotating disc, the motor, the gear, the gear ring and the silica gel sealing gasket, the screw rod is rotated to clamp the safety valve to the right, the right end surface of the safety valve air inlet is in extrusion contact with the silica gel sealing gasket, the motor is started, the rotating disc and the safety valve are driven to rotate, the safety valve is immersed in water, air is introduced into the safety valve, whether the water in the box body has air bubbles is observed, the sealing property of the safety valve can be determined, and the air bubbles are more intuitive to observe; the air inlet pipe, the rotating shell, the connecting pipe and the air inlet shell are arranged, air is introduced into the air inlet pipe, and whether the safety valve leaks air can be observed; the abutting plate, the connecting rod, the sealing plate and the spring are arranged, when the safety valve is installed, the right end surface of the safety valve air inlet is in extrusion contact with the silica gel sealing gasket, the right end surface of the safety valve extrudes the abutting plate to move, air in the air inlet pipe can be introduced into the safety valve, after disassembly, the spring is elongated, air in the corresponding air inlet shell is not circulated, and high-pressure gas leakage is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the detection device of the utility model;

[0018] Figure 2 It is a three-dimensional structure front view of the detection device of the utility model;

[0019] Figure 3 It is a three-dimensional structure left side view of the detection device of the utility model;

[0020] Figure 4 It is Figure 2 It is a structure enlarged view of A in the middle;

[0021] Figure 5 It is a partial structure schematic view of the air inlet part of the utility model.

[0022] In the figure: 1 box body, 2 detection device, 21 mounting part, 22 air inlet part, 211 clamping plate, 212 screw rod, 213 limiting column, 214 mounting plate, 215 rotating disc, 216 motor, 217 gear, 218 gear ring, 219 silica gel sealing gasket, 221 air inlet pipe, 222 rotating shell, 223 connecting pipe, 224 air inlet shell, 225 abutting plate, 226 connecting rod, 227 sealing plate, 228 spring. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the present utility model.

[0024] Please refer to Figures 1-5 The present utility model provides a technical scheme: a sealing detection tool for safety valve, which comprises a box body 1 containing water, wherein the box body 1 is provided with a detection device 2, and the detection device 2 comprises a mounting portion 21;

[0025] The mounting portion 21 comprises a mounting plate 214 and a rotating disc 215, the outer surface of the rotating disc 215 is provided with an annular groove, the inner wall of the mounting plate 214 extends to the inside of the annular groove and is slidably connected with the inner wall of the rotating disc 215, the outer surface of the mounting plate 214 is fixedly connected with the inner wall of the box body 1, and the mounting portion 21 further comprises a clamping plate 211, a screw rod 212, a limiting column 213, a motor 216, a gear 217, a silica gel sealing gasket 219 and a gear ring 218;

[0026] The outer surface of the screw rod 212 is rotatably connected with the outer surface of the rotating disc 215 through a bearing seat, the clamping plate 211 is threadedly sleeved on the outer surface of the screw rod 212, and the right end surface of the silica gel sealing gasket 219 is fixedly connected with the left end surface of the rotating disc 215;

[0027] The gear 217 is fixedly sleeved on the outer surface of the output shaft of the motor 216, and the gear ring 218 is fixedly sleeved on the outer surface of the rotating disc 215;

[0028] The right end surface of the limiting column 213 is fixedly connected with the left end surface of the rotating disc 215, the outer surface of the limiting column 213 is provided with a sliding groove, and the outer surface of the clamping plate 211 extends to the inside of the sliding groove and is slidably connected with the inner wall of the limiting column 213, by arranging the clamping plate 211, the screw rod 212, the limiting column 213, the mounting plate 214, the rotating disc 215, the motor 216, the gear 217, the gear ring 218 and the silica gel sealing gasket 219, rotating the screw rod 212, clamping the safety valve to the right by the clamping plate 211, making the right end surface of the air inlet of the safety valve in extrusion contact with the silica gel sealing gasket 219, starting the motor 216, driving the rotating disc 215 and the safety valve to rotate, sinking the safety valve into water, introducing air into the safety valve, and observing whether the water in the box body 1 has air bubbles, the sealing property of the safety valve can be determined, and the air bubbles are more intuitive to observe;

[0029] The inside of the box body 1 is provided with an air inlet portion 22;

[0030] The air inlet part 22 comprises an air inlet pipe 221, the outer surface of the left end of the air inlet pipe 221 is sleeved with a rotating shell 222 through a sealing bearing, the air inlet part 22 further comprises a connecting pipe 223, an air inlet shell 224, an abutting plate 225, a connecting rod 226, a sealing plate 227 and a spring 228;

[0031] The left end surface of the connecting pipe 223 is fixedly connected with the right end surface of the air inlet shell 224 in a penetrating mode, the outer surface of the connecting pipe 223 is fixedly connected with the outer surface of the rotating shell 222 in a penetrating mode, and the outer surface of the air inlet pipe 221 is fixedly penetrated through the inner wall of the box body 1 and extends to the right side of the box body 1;

[0032] A through hole is formed in the left end surface of the rotating disc 215, and the left end surface of the air inlet shell 224 is fixedly connected with the right end surface of the rotating disc 215, by arranging the air inlet pipe 221, the rotating shell 222, the connecting pipe 223 and the air inlet shell 224, the gas is introduced into the inside of the air inlet pipe 221, so that the gas enters the inside of the safety valve, and whether the safety valve leaks can be observed;

[0033] The outer surface of the sealing plate 227 is slidably connected with the inner wall of the air inlet shell 224, the left end surface of the sealing plate 227 is fixedly connected with the right end surface of the connecting rod 226, the left end of the connecting rod 226 extends to the left side of the rotating disc 215, the right end surface of the abutting plate 225 is fixedly connected with the left end surface of the connecting rod 226, the left end of the spring 228 is fixedly connected with the right end surface of the sealing plate 227, and the right end of the spring 228 is fixedly connected with the inner wall of the air inlet shell 224, by arranging the abutting plate 225, the connecting rod 226, the sealing plate 227 and the spring 228, when the safety valve is installed, the right end surface of the safety valve air inlet is in extrusion contact with the silica gel sealing gasket 219, at the same time, the right end surface of the safety valve extrudes the abutting plate 225 to move, so that the gas in the inside of the air inlet pipe can be introduced into the inside of the safety valve, after disassembly, the spring 228 is elongated, so that the air in the inside of the corresponding air inlet shell 224 is not communicated, and the high-pressure gas is prevented from leaking out.

[0034] In use, the screw rod 212 is rotated, the screw rod 212 drives the clamping plate 211 to move rightwards, the right end surface of the safety valve pushes the abutting plate 225 to move rightwards, finally, the right end surface of the safety valve air inlet is in extrusion contact with the silica gel sealing gasket 219, the abutting plate 225 drives the connecting rod 226 and the sealing plate 227 to move rightwards, the air is introduced into the inside of the air inlet pipe 221, the high-pressure air passes through the air inlet pipe 221, the rotating shell 222, the connecting pipe 223 and the air inlet shell 224, and finally enters the inside of the safety valve, the motor 216 is started, the rotating disc 215 is driven to rotate through the gear 217 and the gear ring 218, the safety valve is sunk into water, and whether there is bubble on the outer surface of the safety valve can be determined, so that the sealing property of the safety valve can be determined.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A seal detection tool for a safety valve, comprising a tank (1) containing a body of water, characterised in that: The box (1) is provided with a detection device (2), the detection device (2) includes a mounting portion (21); The mounting portion (21) includes a mounting plate (214) and a turntable (215), the outer surface of the turntable (215) is provided with an annular groove, and the inner wall of the mounting plate (214) extends into the annular groove and is in sliding connection with the inner wall of the turntable (215); and the outer surface of the mounting plate (214) is fixedly connected with the inner wall of the box (1); The box (1) is provided with an air inlet portion (22); The air inlet portion (22) includes an air inlet pipe (221), and the outer surface of the left end of the air inlet pipe (221) is rotatably sleeved with a rotating shell (222) through a sealing bearing.

2. The seal detection tool for a safety valve according to claim 1, characterized in that: The mounting portion (21) further includes a clamping plate (211), a screw rod (212), a limiting column (213), a motor (216), a gear (217), a silica gel sealing gasket (219) and a gear ring (218), the outer surface of the screw rod (212) is rotatably connected with the outer surface of the turntable (215) through a bearing seat, the clamping plate (211) is threadedly sleeved on the outer surface of the screw rod (212), and the right end surface of the silica gel sealing gasket (219) is fixedly connected with the left end surface of the turntable (215).

3. The seal detection tool for a safety valve according to claim 2, characterized in that: The right end surface of the limiting column (213) is fixedly connected with the left end surface of the turntable (215), the outer surface of the limiting column (213) is provided with a sliding groove, and the outer surface of the clamping plate (211) extends into the sliding groove and is in sliding connection with the inner wall of the limiting column (213).

4. The seal detection tool for a safety valve according to claim 2, characterized in that: The gear (217) is fixedly sleeved on the outer surface of the output shaft of the motor (216), and the gear ring (218) is fixedly sleeved on the outer surface of the turntable (215).

5. The seal detection tool for a safety valve according to claim 1, characterized in that: The air inlet portion (22) further includes a connecting pipe (223), an air inlet shell (224), an abutting plate (225), a connecting rod (226), a sealing plate (227) and a spring (228), the left end surface of the turntable (215) is provided with a through hole, and the right end surface of the air inlet shell (224) is fixedly connected with the right end surface of the turntable (215).

6. The seal detection tool for a safety valve according to claim 5, characterized in that: The outer surface of the sealing plate (227) is in sliding connection with the inner wall of the air inlet shell (224), the left end surface of the sealing plate (227) is fixedly connected with the right end surface of the connecting rod (226), the left end of the connecting rod (226) extends to the left side of the turntable (215), the right end surface of the abutting plate (225) is fixedly connected with the left end surface of the connecting rod (226), the left end of the spring (228) is fixedly connected with the right end surface of the sealing plate (227), and the right end of the spring (228) is fixedly connected with the inner wall of the air inlet shell (224).

7. The seal detection tool for a safety valve according to claim 5, characterized in that: The left end surface of the connecting pipe (223) is fixedly and penetratively connected with the right end surface of the air inlet shell (224), the outer surface of the connecting pipe (223) is fixedly and penetratively connected with the outer surface of the rotating shell (222), and the outer surface of the air inlet pipe (221) is fixedly and penetratively connected with the inner wall of the box (1) and extends to the right side of the box (1).

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