CN213600316U

CN213600316U - Valve sealing performance detection device

Info

Publication number: CN213600316U
Application number: CN202022700443.5U
Authority: CN
Inventors: 党永军
Original assignee: Inner Mongolia North Safety Technology Service Co ltd
Current assignee: Inner Mongolia North Safety Technology Service Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-02
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a valve check out test set technical field, concretely relates to valve leakproofness detection device, include: the detection box is connected with the valve body, the detection box is arranged into a first unit and a second unit, the first unit and the second unit are detachably connected into a whole, a plurality of flow guide mechanisms are fixedly arranged in the first unit and the second unit, the flow guide mechanisms are arrayed into hemispheres, and piezoresistors are arranged in each group of closed hoses. The beneficial effects of the utility model reside in that: the valve leak detection device has the advantages that the valve leak detection device can detect whether the valve leaks or not, and meanwhile, the specific leakage position of the valve to be detected is located, so that the detection accuracy is improved.

Description

Valve sealing performance detection device

Technical Field

The utility model relates to a valve check out test set technical field, concretely relates to valve leakproofness detection device.

Background

Valves are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, valves are essential components in piping systems, valve plumbing is technically the same as pumps and is often discussed as a separate category; the valve can be operated manually or by a hand wheel, a handle or a pedal, and can also change the pressure, the temperature and the flow change of a fluid medium through control; the valve can operate continuously or repeatedly for these changes, such as a safety valve installed in a hot water system or a steam boiler. Automatic control valves are adopted in more complex control systems according to the requirements of external input; the automatic control valve does not need manual operation according to the input and the setting, so that the valve accurately controls various requirements of fluid media, and the valve is further divided into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves and other valve materials according to the materials.

Among the prior art, the valve will seal its detection after production to guarantee the qualification rate of product, but present detection device is all comparatively complicated, and is also comparatively troublesome when the operation, and detection efficiency is low. The method for detecting the leakage of the valve is to introduce water or airflow into the valve and judge whether the valve leaks or not through observation, but the method is not accurate enough for detecting the leakage at small positions, and can only detect the leakage of the whole valve generally but cannot detect the specific leakage at the positions.

In view of this, it is urgent to provide a valve leakproofness detection device, detects to the valve leakproofness, can detect out whether the valve reveals, fixes a position to the valve that awaits measuring specifically reveals simultaneously, improves and detects the accuracy nature.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model aims to provide a valve tightness detection device detects to valve tightness, can detect out whether the valve reveals, specifically reveals the position to the valve that awaits measuring and fixes a position simultaneously, improves and detects the accuracy nature.

In order to realize the above object, the technical scheme of the utility model is that: a valve seal integrity detection apparatus comprising: the detection box is connected with the valve body, the detection box is arranged into a first unit and a second unit, the first unit and the second unit are detachably connected into a whole, a plurality of flow guide mechanisms are fixedly arranged in the first unit and the second unit, the flow guide mechanisms are arrayed into hemispheres, and piezoresistors are arranged in each group of closed hoses.

Furthermore, the first unit is a first box body with a downward opening, and two side walls of the first unit are provided with first mounting openings matched with the valve input pipe and the valve output pipe.

Furthermore, the second unit is arranged as a second box body with an upward opening, and second mounting openings matched with the valve input pipe and the valve output pipe are formed in two side walls of the second unit.

Furthermore, first box and second box opening part phase-match, first box and second box opening part are provided with the rubber seal strip that matches each other, just first box and second box are buckled fixed connection through the locking.

Furthermore, the diversion mechanism is arranged into a closed hose, the closed hose is arranged into a sphere in the whole formed by the first unit and the second unit, and the arranged spheres of the closed hose are meshed with the valve.

Furthermore, pressure detection circuits are arranged in the side walls of the first unit and the second unit, and each pressure detection circuit comprises a piezoresistor and a signal amplification circuit.

Has the advantages that:

the utility model provides a pair of valve tightness detection device injects high-pressure gas in to the valve through the air compressor machine, and airtight hose wraps up the valve simultaneously, in case there is the leakage in the valve, gaseous will leak out from the valve body, gets into in the airtight hose, detects the circulation gas in the airtight hose through piezo-resistor and the signal amplification circuit among the airtight hose to the department is revealed to the positioning valve. This device detects to valve leakproofness, can detect out whether the valve reveals, specifically reveals the position to the valve that awaits measuring and fixes a position simultaneously, improves and detects the accuracy nature, and the simple easy to assemble of device.

Drawings

Fig. 1 is a schematic side view of the valve tightness detecting device of the present invention;

fig. 2 is a schematic structural view of a front view of the valve tightness detecting device of the present invention;

the labels in the figure are: 1-a detection box, 2-an air compressor, 11-a first unit, 12-a second unit, 13-a flow guide mechanism, 14-a piezoresistor, 15-a rubber sealing strip, 16-a locking buckle, 111-a first box body, 112-a first mounting port, 121-a second box body, 122-a second mounting port and 131-a closed hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in the figure, the utility model discloses a valve tightness detection device, include: detection case 1 and air compressor machine 2, air compressor machine 2 is connected with the valve body, detection case 1 sets up to first unit 11 and second unit 12, first unit 11 and second unit 12 detachably connect and be a whole, fixed mounting has a plurality of water conservancy diversion mechanisms 13 in first unit 11 and the second unit 12, just water conservancy diversion mechanism 13 arranges to the hemisphere, be provided with piezo-resistor 14 in every airtight hose 131 of group.

In this embodiment, the first unit 11 is configured as a first box 111 with a downward opening, and two side walls of the first unit 11 are provided with first mounting openings 112 matched with the input pipe and the output pipe of the valve.

In this embodiment, the second unit 12 is disposed as a second box 121 with an upward opening, and second mounting openings 122 matched with the input pipe and the output pipe of the valve are disposed on two side walls of the second unit 12.

In this embodiment, the openings of the first box 111 and the second box 121 are matched, the openings of the first box 111 and the second box 121 are provided with rubber sealing strips 15 matched with each other, and the first box 111 and the second box 121 are fixedly connected through a locking buckle 16.

In this embodiment, the diversion mechanism 13 is configured as a closed hose 131, the closed hose 131 is arranged in a spherical shape in the whole formed by the first unit 11 and the second unit 12, and the spherical shape of the closed hose 131 is engaged with the valve.

In this embodiment, pressure detection circuits are disposed in the side walls of the first unit 11 and the second unit 12, and each pressure detection circuit includes a voltage dependent resistor 14 and a signal amplification circuit.

The working principle is as follows:

in the middle of the working process, firstly, the air compressor 2 is fixedly connected with the valve, high-pressure gas is injected into the valve through the air compressor 2, the first unit 11 and the second unit 12 are combined and fixed to complete, and therefore the valve is completely wrapped by the parts between the input pipe and the output pipe. If the valve leaks during the inflation process inside the valve, the gas will escape from the leakage position into the sealing hose 131, and the gas is led out through the sealing hose 131. Since the piezoresistors 14 are arranged in each group of the sealed hoses 131, the gas flows in the sealed hoses 131, and the piezoresistors 14 are caused to detect. Since the piezoresistor 14 is pressed to detect the signal, the signal is amplified through the amplifying circuit, so that the specific piezoresistor 14 detects the pressed signal, and the specific position of the valve generates the leakage phenomenon accurately.

Because the first unit 11 and the second unit 12 are arranged as the combined first box 111 and the combined second box 121, the first unit 11 and the second unit 12 are fixedly installed through the locking buckle 16 to form a detachable structure, so that the valve inspection device is convenient to disassemble and assemble and is suitable for multi-group valve inspection.

The utility model provides a pair of valve tightness detection device injects high-pressure gas in to the valve through air compressor machine 2, and airtight hose 131 wraps up the valve simultaneously, in case the valve has the leakage, and gas will leak out from the valve body, gets into in airtight hose 131, detects the circulation gas in airtight hose 131 through piezo-resistor 14 and the signal amplification circuit in the airtight hose 131 to the department is revealed to the positioning valve. This device detects to valve leakproofness, can detect out whether the valve reveals, specifically reveals the position to the valve that awaits measuring and fixes a position simultaneously, improves and detects the accuracy nature, and the simple easy to assemble of device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A valve seal integrity detection apparatus comprising: detection case (1) and air compressor machine (2), its characterized in that, air compressor machine (2) are connected with the valve body, detection case (1) sets up to first unit (11) and second unit (12), first unit (11) and second unit (12) detachably connect for a whole, fixed mounting has a plurality of water conservancy diversion mechanisms (13) in first unit (11) and second unit (12), just water conservancy diversion mechanism (13) arrange for the hemisphere, be provided with piezo-resistor (14) in every water conservancy diversion mechanism (13).

2. The device for detecting the tightness of a valve according to claim 1, wherein the first unit (11) is configured as a first box body (111) with a downward opening, and two side walls of the first unit (11) are provided with first mounting openings (112) matched with the input pipe and the output pipe of the valve.

3. The device for detecting the tightness of a valve according to claim 2, wherein the second unit (12) is provided as a second box body (121) with an upward opening, and second mounting openings (122) matched with the input pipe and the output pipe of the valve are formed on two side walls of the second unit (12).

4. The valve tightness detection device according to claim 3, wherein the openings of the first box body (111) and the second box body (121) are matched, rubber sealing strips (15) matched with each other are arranged at the openings of the first box body (111) and the second box body (121), and the first box body (111) and the second box body (121) are fixedly connected through a locking buckle (16).

5. The device for detecting the tightness of the valve according to claim 4, wherein the diversion mechanism (13) is configured as a sealing hose (131), the sealing hose (131) is arranged in a sphere shape in the whole formed by the first unit (11) and the second unit (12), and the arranged sphere shape of the sealing hose (131) is engaged with the valve.

6. The valve tightness detection device according to claim 5, wherein pressure detection circuits are arranged in the side walls of the first unit (11) and the second unit (12), and the pressure detection circuits comprise a piezoresistor (14) and a signal amplification circuit.