CN211550629U

CN211550629U - Safety valve with high safety

Info

Publication number: CN211550629U
Application number: CN201922248318.2U
Authority: CN
Inventors: 李升阳; 李建军; 李建龙
Original assignee: Zhejiang Huichuang Machinery Manufacturing Co ltd
Current assignee: Zhejiang Huichuang Machinery Manufacturing Co ltd
Priority date: 2019-12-15
Filing date: 2019-12-15
Publication date: 2020-09-22
Anticipated expiration: 2029-12-15

Abstract

The utility model discloses a safety valve with high safety, which comprises a safety valve main body, wherein a first exhaust pipe and a second exhaust pipe are respectively welded at the top of the safety valve main body, the outer wall of the second exhaust pipe is movably connected with an exhaust valve, the front of the safety valve main body is movably connected with a main valve, the bottom of the safety valve main body is fixedly connected with a barometer, an air inlet pipe and an air outlet pipe are respectively welded at two sides of the safety valve main body, an angle adjusting rod is respectively welded at the outer wall of the air inlet pipe and the outer wall of the air outlet pipe, one side of the angle adjusting rod is movably connected with a connecting rod, a fixing ring is welded at one side of the connecting rod, a mounting plate is fixedly arranged at the inner side of a pipeline of the first exhaust pipe, a second spring, the utility model discloses a first blast pipe, second blast pipe and the barometer that set up have solved this relief valve security than lower problem.

Description

Safety valve with high safety

Technical Field

The utility model relates to a relief valve technical field specifically is a high relief valve of security.

Background

The safety valve is a valve for safety protection, its opening and closing member is in normally closed state under the action of external force, when the medium pressure in the equipment or pipeline is raised, the valve can prevent the medium pressure in the pipeline or equipment from exceeding the defined value by discharging medium to the exterior of system, and said safety valve belongs to the automatic valve class, and is mainly used on boiler, pressure container and pipeline, and can control pressure not to exceed the defined value, so that it can play important protection action for personal safety and equipment operation.

However, the existing safety valve with high safety has a single exhaust mode and no emergency exhaust system, so that the safety of the existing safety valve is reduced, the existing safety valve is simple in installation mode and is easy to separate from a pipeline under the action of gas pressure, so that the stability of the safety valve is reduced, and therefore the safety valve with high safety is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high relief valve of security to the security performance that proposes the relief valve among the above-mentioned background art is lower and the stability of relief valve is lower problem than low.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a high relief valve of security, includes the relief valve main part, first blast pipe and second blast pipe have been welded respectively at the top of relief valve main part, the outer wall swing joint of second blast pipe has the air discharge valve, the positive swing joint of relief valve main part has main valve door, the bottom fixedly connected with barometer of relief valve main part, intake pipe and outlet duct have been welded respectively to the both sides of relief valve main part, the outer wall of intake pipe and outlet duct has welded the angle adjusting lever respectively, one side swing joint of angle adjusting lever has the connecting rod, one side welding of connecting rod has solid fixed ring.

The fixed mounting panel that is provided with in pipeline inboard of first blast pipe, the fixed second spring that is provided with in top of mounting panel, the top fixedly connected with tube cap of second spring, the fixed rubber seal that is provided with in top of first blast pipe.

The fixed plate has all been welded to solid fixed ring's both sides, gu fixed ring's the first spring of inboard fixedly connected with, the inboard fixedly connected with splint of first spring, the inboard fixedly connected with rubber pad of splint.

Further preferably, the fixed rings are provided with two, the two fixed rings are equally divided into an upper part and a lower part, and the fixed rings are movably connected with the angle adjusting rod through the connecting rods.

Further preferably, rubber seal wholly is the annular, the inclination of rubber seal's inner wall equals the inclination of tube cap outer wall, rubber seal is located the handing-over department of tube cap and first blast pipe, rubber seal and first blast pipe fixed connection.

Further preferably, the pipe cover is integrally in a round table shape, the outer diameter of the bottom of the pipe cover is smaller than the inner diameter of the first exhaust pipe, and the pipe cover is movably connected with the first exhaust pipe.

Further preferably, the section shape of mounting panel is T shape, the surface of mounting panel evenly runs through there is circular aperture, the fixed pipeline inboard that sets up at first blast pipe of mounting panel.

Preferably, the rubber pads are arranged in two blocks, the two rubber pads are integrally arc-shaped, patterns are carved on the inner sides of the rubber pads, and the rubber pads are fixedly connected with the clamping plates.

(III) advantageous effects

The utility model provides a high relief valve of security possesses following beneficial effect:

(1) the safety valve with high safety solves the problem of lower stability of the safety valve through the arranged fixing ring, the angle adjusting rod and the connecting rod, when the safety valve is installed, the main body of the safety valve is firstly connected onto an external pipeline through the threads on the inner walls of the air inlet pipe and the air outlet pipe, then the two parts of structures of the fixing ring are spliced onto the external pipeline through the angle adjusting rod, bolts penetrate through the reserved holes on the fixing plates and are screwed up clockwise, so that the two fixing plates are fixed together, the two parts of structures of the fixing ring are fixed onto the external pipeline, in the process, the clamping plate is extruded by the external pipeline, the first spring is stressed and compressed, the spring stressed and compressed at the moment can generate certain elastic potential energy and pushes the potential energy clamping plate to move to the position of the external pipeline through the elastic potential energy, and the external pipeline is tightly clamped through, the safety valve has the advantages that the stability of the fixing ring on the external pipeline is favorably improved, the adaptability of the fixing ring to the external pipelines with different outer diameter sizes is favorably improved, the safety valve main body is reinforced on the external pipeline through the fixing ring and the connecting rod in the mode, the stability of the safety valve main body on the external pipeline is favorably improved, and the danger that the safety valve falls off due to overlarge air pressure is avoided.

(2) The safety valve with high safety solves the problem that the safety ratio of the safety valve is lower through the arranged first exhaust pipe, the second exhaust pipe and the barometer, when the safety valve works normally, gas inside an external pipeline can pass through the inside of the safety valve, when the gas pressure inside the safety valve is too high, high-pressure gas can push the pipe cover to move upwards through the small hole in the mounting plate, so that the inside of the first exhaust pipe is smooth, the gas inside the safety valve main body is exhausted through the first exhaust pipe, the pressure inside the safety valve is reduced, when the high-pressure gas is released to a certain degree, the pipe cover can return to the original position under the action of spring tension, the first exhaust pipe is blocked, the exhaust mode of the first exhaust pipe is an automatic exhaust mode, the convenience of the exhaust process of the safety valve is improved, in the exhaust process, the pressure inside the safety valve main body can be judged according to the indication number on the barometer, when the air pressure indicating number is too large, the fact that the automatic exhaust structure is damaged or the automatic exhaust mode cannot meet the exhaust rate required by the safety valve is indicated, at the moment, the exhaust valve on the second exhaust pipe only needs to be unscrewed anticlockwise, the gas in the safety valve main body is exhausted through the second exhaust pipe, the mode is a manual exhaust mode, the exhaust rate of the safety valve can be accelerated, the safety valve can also be used as an alternative exhaust mode when the automatic exhaust is damaged, the diversity of the exhaust mode of the safety valve is improved, the safety valve adopts a mode of combining an automatic exhaust mode and a manual exhaust mode, the normal operation of the exhaust process is favorably ensured, and the safety of the safety valve is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the safety valve of the present invention;

FIG. 2 is a sectional view of the first exhaust pipe according to the present invention;

fig. 3 is a sectional view of the fixing ring of the present invention.

In the figure: 1. a safety valve main body; 2. a first exhaust pipe; 201. mounting a plate; 202. a second spring; 203. A tube cover; 204. a rubber seal ring; 3. a second exhaust pipe; 4. an exhaust valve; 5. an air outlet pipe; 6. A fixing ring; 601. a first spring; 602. a splint; 6021. a rubber pad; 603. a fixing plate; 7. a barometer; 8. an air inlet pipe; 9. an angle adjusting rod; 10. a connecting rod; 11. a main valve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high relief valve of security, including relief valve main part 1, first blast pipe 2 and second blast pipe 3 have been welded respectively at the top of relief valve main part 1, the outer wall swing joint of second blast pipe 3 has exhaust valve 4, the positive swing joint of relief valve main part 1 has main valve 11, the bottom fixedly connected with barometer 7 of relief valve main part 1, intake pipe 8 and outlet duct 5 have been welded respectively to the both sides of relief valve main part 1, angle adjusting rod 9 has been welded respectively to the outer wall of intake pipe 8 and outlet duct 5, one side swing joint of angle adjusting rod 9 has connecting rod 10, one side welding of connecting rod 10 has solid fixed ring 6.

The fixed mounting panel 201 that is provided with in pipeline inboard of first exhaust pipe 2, the fixed second spring 202 that is provided with in top of mounting panel 201, the top fixedly connected with tube cap 203 of second spring 202, the fixed rubber seal 204 that is provided with in top of first exhaust pipe 2.

Fixing plates 603 are welded on two sides of the fixing ring 6, a first spring 601 is fixedly connected to the inner side of the fixing ring 6, a clamping plate 602 is fixedly connected to the inner side of the first spring 601, and a rubber pad 6021 is fixedly connected to the inner side of the clamping plate 602.

In this embodiment, it is concrete, solid fixed ring 6 is provided with two, and two parts about two solid fixed ring 6 divide equally, gu fixed ring 6 passes through connecting rod 10 and angle adjusting rod 9 swing joint, can consolidate relief valve main part 1 on external pipeline through solid fixed ring 6, are favorable to improving the stability of relief valve main part 1 on external pipeline.

In this embodiment, it is concrete, rubber seal 204 is wholly annular, the inclination of the inner wall of rubber seal 204 equals the inclination of tube cap 203 outer wall, rubber seal 204 is located tube cap 203 and first exhaust pipe 2's handing-over department, rubber seal 204 and first exhaust pipe 2 fixed connection, rubber seal 204 receives the extrusion meeting atress deformation of tube cap 203, thereby fill the gap between tube cap 203 and the first exhaust pipe 2, be favorable to improving the leakproofness between tube cap 203 and the first exhaust pipe 2.

In this embodiment, it is concrete, the pipe cover 203 is wholly round platform form, and the external diameter of pipe cover 203 bottom is less than the internal diameter of first exhaust pipe 2 size, pipe cover 203 and first exhaust pipe 2 swing joint, and pipe cover 203 can realize the automatic closed work to first exhaust pipe 2 through second spring 202, is favorable to improving the security of this relief valve exhaust process.

In this embodiment, it is concrete, the section shape of mounting panel 201 is the T shape, and the surface of mounting panel 201 evenly runs through there is circular aperture, and mounting panel 201 is fixed to be set up at the pipeline of first blast pipe 2 inboardly, and the aperture on mounting panel 201 surface can make things convenient for high-pressure gas to get into inside first blast pipe 2.

In this embodiment, specifically, two rubber pads 6021 are provided, the two rubber pads 6021 are integrally arc-shaped, patterns are engraved on the inner side of the rubber pads 6021, the rubber pads 6021 are fixedly connected to the clamp plate 602, and the rubber pads 6021 can increase the friction force with the pipe wall of the external pipe through the fire patterns on the inner wall, so as to improve the clamping capability of the clamp plate 602 on the external pipe.

The working principle is as follows: when the safety valve is installed, the safety valve main body 1 is connected to an external pipeline through the air inlet pipe 8 and the threads on the inner wall of the air outlet pipe 5, then the two-part structure of the fixing ring 6 is spliced to the external pipeline through the angle adjusting rod 9, the bolt passes through the preformed hole on the fixing plate 603, and the bolt is screwed clockwise, so that the two fixing plates 603 are fixed together, and further the two-part structure of the fixing ring 6 is fixed on the external pipeline, after the safety valve is installed, the installation fixing and the safety protection of the safety valve are checked firstly, when the safety valve works normally, the gas in the external pipeline passes through the inside of the safety valve, when the gas pressure in the safety valve is overhigh, the high-pressure gas pushes the pipe cover 203 to move upwards through the small hole on the installing plate 201, so that the inside of the pipeline of the first exhaust pipe 2 is unobstructed, and the gas in the safety valve main body, thereby reducing the pressure inside the safety valve, when the high-pressure gas is released to a certain degree, the pipe cover 203 will return to the original position under the action of the tension of the second spring 202, blocking the first exhaust pipe 2, in the exhaust process, the pressure inside the safety valve main body 1 can be judged according to the number on the barometer 7, when the number on the barometer 7 is too large, it indicates that the automatic exhaust structure is damaged or the automatic exhaust mode can not meet the exhaust rate required by the safety valve, at the moment, only the exhaust valve 4 on the second exhaust pipe 3 needs to be unscrewed anticlockwise, the gas inside the safety valve main body is exhausted through the second exhaust pipe 3, when the external pipeline leaks, the main valve 11 is screwed clockwise, the pipeline inside the safety valve main body 1 is closed, thereby realizing the sealing process of the external pipeline, thus completing the use process of the utility model, the utility model has simple structure, the use is safe and convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A safety valve with high safety comprises a safety valve main body (1), and is characterized in that: the safety valve is characterized in that a first exhaust pipe (2) and a second exhaust pipe (3) are welded to the top of the safety valve main body (1) respectively, an exhaust valve (4) is movably connected to the outer wall of the second exhaust pipe (3), a main valve (11) is movably connected to the front of the safety valve main body (1), a gas pressure gauge (7) is fixedly connected to the bottom of the safety valve main body (1), an air inlet pipe (8) and an air outlet pipe (5) are welded to two sides of the safety valve main body (1) respectively, angle adjusting rods (9) are welded to the outer walls of the air inlet pipe (8) and the air outlet pipe (5) respectively, a connecting rod (10) is movably connected to one side of each angle adjusting rod (9), and;

a mounting plate (201) is fixedly arranged on the inner side of the first exhaust pipe (2), a second spring (202) is fixedly arranged on the top of the mounting plate (201), a pipe cover (203) is fixedly connected to the top of the second spring (202), and a rubber sealing ring (204) is fixedly arranged on the top of the first exhaust pipe (2);

the fixing plate (603) is welded on two sides of the fixing ring (6), a first spring (601) is fixedly connected to the inner side of the fixing ring (6), a clamping plate (602) is fixedly connected to the inner side of the first spring (601), and a rubber pad (6021) is fixedly connected to the inner side of the clamping plate (602).

2. A safety valve with high safety according to claim 1, wherein: the two fixing rings (6) are arranged, the two fixing rings (6) are divided into an upper part and a lower part, and the fixing rings (6) are movably connected with the angle adjusting rod (9) through connecting rods (10).

3. A safety valve with high safety according to claim 1, wherein: rubber seal (204) wholly is the annular, the inclination of the inner wall of rubber seal (204) equals the inclination of tube cap (203) outer wall, rubber seal (204) are located handing-over department of tube cap (203) and first exhaust pipe (2), rubber seal (204) and first exhaust pipe (2) fixed connection.

4. A safety valve with high safety according to claim 1, wherein: the integral pipe cover (203) is in a round table shape, the outer diameter of the bottom of the pipe cover (203) is smaller than the inner diameter of the first exhaust pipe (2), and the pipe cover (203) is movably connected with the first exhaust pipe (2).

5. A safety valve with high safety according to claim 1, wherein: the section shape of mounting panel (201) is T shape, the surface of mounting panel (201) evenly runs through there is circular aperture, the pipeline inboard of the fixed setting in first blast pipe (2) of mounting panel (201).

6. A safety valve with high safety according to claim 1, wherein: the two rubber pads (6021) are arranged, the two rubber pads (6021) are integrally in an arc shape, patterns are engraved on the inner sides of the rubber pads (6021), and the rubber pads (6021) are fixedly connected with the clamping plate (602).