CN220186013U - Inspection device of pipeline relief valve - Google Patents

Abstract

The utility model relates to a pipeline safety valve inspection device which comprises a safety valve body, wherein a first shell is arranged on the outer wall of the safety valve body, a second shell is arranged on one side of the first shell, a connecting pipe is fixedly connected to the outer wall of the first shell, a sleeve box is fixedly connected to one end of the connecting pipe, a pressure sensor is arranged on the inner wall of the sleeve box, a sliding shaft is fixedly connected to the inner wall of the sleeve box, a sliding plate is connected to the outer wall of the sliding shaft in a sliding manner, the sliding plate is connected with the sleeve box in a sliding manner, and a spring is arranged on the outer wall of the sliding shaft. The safety valve has the advantages that the first shell is arranged outside the safety valve body, the second shell is arranged on the first shell, when pressure relief occurs between the safety valve body and a pipeline, the air pressure in the space inside the first shell and the space inside the second shell are increased, the sliding plate is pushed to move under the action of the air pressure, the spring is compressed, when the sliding plate moves to the position of the pressure sensor, the pressure sensor detects the pressure, and the alarm is started to remind the safety valve body of air leakage.

Description

Inspection device of pipeline relief valve

Technical Field

The utility model relates to the technical field of pipeline safety valves, in particular to a device for testing a pipeline safety valve.

Background

The safety valve is a special valve which is in a normally closed state under the action of external force and prevents the medium pressure in the pipeline or the equipment from exceeding a specified value by discharging the medium to the outside of the system when the medium pressure in the equipment or the pipeline rises to exceed the specified value. The safety valve belongs to automatic valves, and is mainly used for boilers, pressure vessels and pipelines, and the control pressure does not exceed a specified value, so that the safety valve plays an important role in protecting personal safety and equipment operation.

Through retrieving, chinese patent discloses a verifying attachment of pipeline relief valve (grant bulletin number CN 209117324U), and this patent technique includes the box, the inner chamber bottom movable mounting of box has the fly leaf, the surface of fly leaf has cup jointed the sealed neck ring that is connected with the box inner chamber wall, the upper surface middle section fixed mounting of fly leaf has the fly leaf, the surface of fly leaf has cup jointed the stabilizer ring that is connected with the box inner chamber roof, the bottom fixed mounting of stabilizer ring has cup jointed in the first spring that fly leaf surface and one end are connected, the equal fixed mounting in upper surface both ends of fly leaf has the iron prop. The advantages are that: the bottom block that is equipped with makes the water that gets into upwards gushes in the water inlet pipe, produces thrust to the fly leaf, makes the fly leaf rise to drive protruding pole upward movement, thereby leave the kerve, make the valve plate of joint can move about, thereby conveniently open the gate, and the cushion of installation, make the fly leaf be connected more stably with protruding pole.

However, in the practical application process of the technology, after the pipeline is connected with the mounting valve, the pressure relief condition is easy to occur at the connecting position, potential safety hazards are easy to be caused to surrounding staff, and the pressure relief detection is inconvenient to the connecting position of the pipeline and the mounting valve in the prior art.

Disclosure of Invention

In view of the foregoing problems of the prior art, a primary object of the present utility model is to provide a check device for a pipeline safety valve.

The technical scheme of the utility model is as follows: the utility model provides a verifying attachment of pipeline relief valve, includes the relief valve body, the outer wall of relief valve body is provided with first casing, one side of first casing is provided with the second casing, the outer wall fixedly connected with connecting pipe of first casing, the one end fixedly connected with cover box of connecting pipe, the inner wall of cover box is provided with pressure sensor, the inner wall fixedly connected with slide shaft of cover box, the outer wall sliding connection of slide shaft has the slide, slide and cover box sliding connection, the outer wall of slide shaft is provided with the spring.

As a preferred embodiment, the top and the bottom of the safety valve body are connected with pipelines.

As a preferred embodiment, a gasket is provided between the first housing and the second housing.

As a preferred embodiment, the gasket is made of rubber.

As a preferred implementation mode, the outer wall fixedly connected with installation piece of first casing, the outer wall fixedly connected with fixed plate of second casing, the outer wall fixedly connected with inserted bar of fixed plate, the inside of installation piece is provided with the slot that the cooperation inserted bar used.

As a preferred implementation mode, the inner wall threaded connection of installation piece has the threaded rod, the one end fixedly connected with knob of threaded rod, the outer wall of inserted bar is provided with the chute that the cooperation threaded rod used.

As a preferred embodiment, the outer wall of the kit is provided with an alarm, and the alarm is electrically connected with the pressure sensor.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, the first shell is arranged outside the safety valve body, the second shell is arranged on the first shell, when pressure relief occurs between the safety valve body and the pipeline, the air pressure in the space inside the first shell and the second shell is increased, the sliding plate is pushed to move under the action of the air pressure to compress the spring, when the sliding plate moves to the position of the pressure sensor, the pressure sensor detects the pressure, the alarm is started to remind the safety valve body of air leakage, and compared with the traditional device, the operation quality and the use efficiency are greatly improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an interior top view of the present utility model;

fig. 4 is an enlarged view at a of the present utility model.

Legend description: 1. a safety valve body; 2. a first housing; 3. a second housing; 4. a mounting block; 5. a fixing plate; 6. a rod; 7. a slot; 8. a threaded rod; 9. a knob; 10. a sealing gasket; 11. a pipe; 12. a connecting pipe; 13. a sleeve; 14. an alarm; 15. a slide shaft; 16. a slide plate; 17. a spring; 18. a pressure sensor.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

The utility model will be further described with reference to the drawings and the specific embodiments

Example 1

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a pipeline relief valve's verifying attachment, including relief valve body 1, the outer wall of relief valve body 1 is provided with first casing 2, one side of first casing 2 is provided with second casing 3, the outer wall fixedly connected with connecting pipe 12 of first casing 2, the one end fixedly connected with cover box 13 of connecting pipe 12, the inner wall of cover box 13 is provided with pressure sensor 18, the inner wall fixedly connected with slide shaft 15 of cover box 13, slide shaft 15's outer wall sliding connection has slide 16, slide 16 and cover box 13 sliding connection, slide shaft 15's outer wall is provided with spring 17.

In this embodiment, the first housing 2 is installed outside the safety valve body 1, and then the second housing 3 is installed on the first housing 2, when pressure release occurs between the safety valve body 1 and the pipeline 11, the air pressure in the space between the first housing 2 and the second housing 3 is increased, under the action of the air pressure, the sliding plate 16 is pushed to move, the spring 17 is compressed, when the sliding plate 16 moves to the position of the pressure sensor 18, the pressure sensor 18 detects the pressure, and the alarm 14 is started to remind the safety valve body 1 of air leakage.

Example 2

As shown in fig. 1-4, the top and the bottom of the safety valve body 1 are connected with a pipeline 11; a sealing gasket 10 is arranged between the first shell 2 and the second shell 3; the sealing gasket 10 is made of rubber material; the outer wall of the first shell 2 is fixedly connected with a mounting block 4, the outer wall of the second shell 3 is fixedly connected with a fixing plate 5, the outer wall of the fixing plate 5 is fixedly connected with a plug rod 6, and a slot 7 matched with the plug rod 6 for use is arranged in the mounting block 4; the inner wall of the mounting block 4 is in threaded connection with a threaded rod 8, one end of the threaded rod 8 is fixedly connected with a knob 9, and the outer wall of the inserted link 6 is provided with a chute matched with the threaded rod 8 for use; the outer wall of the cartridge 13 is provided with an alarm 14, the alarm 14 being electrically connected to a pressure sensor 18.

In this embodiment, the first casing 2 and the second casing 3 are installed outside the safety valve body 1, the first casing 2 and the second casing 3 are abutted, the insert rod 6 enters the slot 7 at this time, the first casing 2 and the second casing 3 are sealed under the action of the sealing gasket 10, the knob 9 is rotated to drive the threaded rod 8 to rotate, the threaded rod 8 moves into the installation block 4 and abuts against the chute on the outer wall of the insert rod 6, the insert rod 6 continuously moves into the slot 7, the sealing gasket 10 is pressed, and the sealing performance between the first casing 2 and the second casing 3 is further improved.

Working principle:

as shown in fig. 1-4, the first casing 2 is installed outside the safety valve body 1, the second casing 3 is installed on the first casing 2, the first casing 2 and the second casing 3 are in butt joint, at this time, the inserted link 6 enters the slot 7, under the action of the sealing gasket 10, the first casing 2 and the second casing 3 are sealed, the knob 9 is rotated, the threaded rod 8 is driven to rotate, the threaded rod 8 moves into the installation block 4, the chute on the outer wall of the inserted link 6 is abutted, the inserted link 6 continuously moves into the slot 7, the sealing gasket 10 is compressed, the tightness between the first casing 2 and the second casing 3 is further improved, when the pressure relief condition occurs between the safety valve body 1 and the pipeline 11, the space air pressure inside the first casing 2 and the second casing 3 is increased, the sliding plate 16 is pushed to move under the action of the air pressure, the pressing spring 17 is pressed, when the sliding plate 16 moves to the position of the pressure sensor 18, the pressure sensor 18 detects the pressure, the alarm 14 is started, the safety valve body 1 is reminded of air leakage, and compared with the traditional device is greatly improved.

Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The utility model provides a verifying attachment of pipeline relief valve, includes relief valve body (1), its characterized in that: the safety valve is characterized in that a first shell (2) is arranged on the outer wall of the safety valve body (1), a second shell (3) is arranged on one side of the first shell (2), a connecting pipe (12) is fixedly connected to the outer wall of the first shell (2), a sleeve box (13) is fixedly connected to one end of the connecting pipe (12), a pressure sensor (18) is arranged on the inner wall of the sleeve box (13), a sliding shaft (15) is fixedly connected to the inner wall of the sleeve box (13), a sliding plate (16) is connected to the outer wall of the sliding shaft (15) in a sliding mode, and a spring (17) is arranged on the outer wall of the sliding shaft (15).

2. The inspection device for a pipeline safety valve according to claim 1, wherein: the top and the bottom of the safety valve body (1) are both connected with a pipeline (11).

3. The inspection device for a pipeline safety valve according to claim 1, wherein: a sealing gasket (10) is arranged between the first shell (2) and the second shell (3).

4. A device for checking a pipe relief valve according to claim 3, wherein: the sealing gasket (10) is made of rubber materials.

5. The inspection device for a pipeline safety valve according to claim 1, wherein: the utility model discloses a fixed connection of first casing (2) outer wall fixedly connected with installation piece (4), the outer wall fixedly connected with fixed plate (5) of second casing (3), the outer wall fixedly connected with inserted bar (6) of fixed plate (5), the inside of installation piece (4) is provided with slot (7) that cooperation inserted bar (6) used.

6. The inspection device for a pipeline safety valve according to claim 5, wherein: the inner wall threaded connection of installation piece (4) has threaded rod (8), the one end fixedly connected with knob (9) of threaded rod (8), the outer wall of inserted bar (6) is provided with the chute that cooperation threaded rod (8) used.

7. The inspection device for a pipeline safety valve according to claim 1, wherein: an alarm (14) is arranged on the outer wall of the sleeve box (13), and the alarm (14) is electrically connected with the pressure sensor (18).