CN212203263U

CN212203263U - Safety valve for preventing overflow gas from leaking

Info

Publication number: CN212203263U
Application number: CN202020323124.4U
Authority: CN
Inventors: 徐天育; 孙敏杰
Original assignee: Hoerbiger Valves Changzhou Co ltd
Current assignee: Hoerbiger Valves Changzhou Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-12-22
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a prevent that relief valve is revealed to super flow gas, including wall and installation pipe, the installation cavity has been seted up to the inner wall of installation pipe, the inner wall fixedly connected with installation piece of installation cavity, the intercommunication mouth has been seted up on one side surface of installation piece, the interception mouth has been seted up to the inner wall of intercommunication mouth, the inner wall activity grafting of interception mouth has the block, the last fixed surface who blocks the block is connected with the depression bar, the last fixed surface of depression bar is connected with the contact piece, the expansion mouth has been seted up to the interior roof of interception mouth. This prevent relief valve is revealed to super flow gas has reached when the inside super flow of pipeline, and the control blocks the effect that the piece blocks the gas to solved when the gas-cooker valve is not closed or the gas pipe drops, caused gas poisoning or explosion accident easily, brought huge loss for the resident, and increased resident's life danger's problem, thereby had the characteristics that blocks the gas circulation immediately.

Description

Safety valve for preventing overflow gas from leaking

Technical Field

The utility model relates to a relief valve technical field, more specifically say, it relates to a prevent that super flow gas reveals relief valve.

Background

The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. The injection safety valve can be used only after a pressure test;

the existing residents can basically switch on the gas at home, when a gas stove valve is not closed or a gas pipe falls off, gas poisoning or explosion accidents are easily caused, huge loss is brought to the residents, and the life risk of the residents is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a prevent that overflow gas reveals relief valve, its characteristics that have the gas circulation of blocking immediately.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a prevent relief valve that super flow gas revealed, includes wall and installation pipe, the installation cavity has been seted up to the inner wall of installation pipe, the inner wall fixedly connected with installation piece of installation cavity, the intercommunication mouth has been seted up on one side surface of installation piece, the interception mouth has been seted up to the inner wall of intercommunication mouth, the inner wall activity grafting of interception mouth has the block of blocking, the last fixed surface who blocks the block is connected with the depression bar, the last fixed surface of depression bar is connected with contact block, the flexible mouth has been seted up to the interior roof of interception mouth, the spacing groove has all been seted up to the both sides inner wall of installation pipe, the connector has been seted up to one side inner wall of spacing groove, the installation mouth has been seted up to the inside wall of connector one end, the inner wall of installation mouth.

Furthermore, the inner wall of the telescopic opening is movably sleeved with the outer surface of the compression bar, the inner top wall of the telescopic opening is provided with a sealing groove, the inner wall of the sealing groove is fixedly connected with a first sealing ring, the inner top wall of the sealing groove is provided with an operation opening, the outer surface of the contact block is movably sleeved with the inner wall of the operation opening, the lower surface of the contact block is contacted with the upper surface of the first sealing ring, the inner surface of the first sealing ring is movably sleeved with the outer surface of the compression bar, and the inner wall of the installation pipe is provided with a placing opening;

through above-mentioned technical scheme, reached and sealed the effect of avoiding the gas to reveal to installation pipe inner wall.

Further, the upper surface of the mounting pipe is fixedly connected with a mounting seat, the upper surface of the mounting seat is fixedly provided with an air cylinder, the air cylinder comprises an air pressure rod, and the surface of one end, far away from the piston, of the air pressure rod is fixedly connected with the upper surface of the contact block;

through above-mentioned technical scheme, reached and installed the cylinder and operated the effect to the contact piece.

Furthermore, a second sealing ring is fixedly connected to the inner wall of one side of the limiting groove, the surface of one side of the second sealing ring is in contact with the surface of one side of the boss in the middle of the rotating shaft, a torsion spring is fixedly connected to the inner wall of the limiting groove, and the free end of one end of the torsion spring is fixedly connected with the outer surface of the rotating shaft;

through the technical scheme, the effect that the rotating shaft is controlled to rotate only by a certain torque force is achieved.

Furthermore, the outer surface of the rotating shaft is fixedly connected with a blade, one end of the rotating shaft penetrates through and extends to the outer surface of the mounting pipe, the outer surface of the rotating shaft, which is positioned outside the mounting pipe, is fixedly connected with a detection rod, and the surface of one side of the wall surface is fixedly connected with a detection block;

through above-mentioned technical scheme, reached and promoted the effect through the power that the gas super flow produced to the blade.

Furthermore, the outer surface of the detection block is concave, mounting holes are formed in the inner surfaces of two sides of the detection block, an infrared laser transmitter and an infrared laser receiver are fixedly mounted on the inner walls of the two mounting holes respectively, and the detection rod is located in the middle of the detection block;

through the technical scheme, the effect of installing the infrared laser transmitter and the infrared laser receiver is achieved.

Furthermore, a switch is fixedly connected to the upper surface of the mounting tube, electrodes of the infrared laser transmitter and the infrared laser receiver are electrically connected with a normally open electrode of the cylinder, and an electrode of the switch is electrically connected with a normally closed electrode of the cylinder;

through the technical scheme, the effect of effectively controlling the stretching of the cylinder is achieved.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses a gas stove, including installation pipe, gas stove valve, gas pipe, gas stove valve, outer fixed surface is connected with the blade through setting up the pivot, the one end of pivot runs through and extends to the surface of installation pipe, the pivot is located the outside outer fixed surface of installation pipe and is connected with the test bar, a side fixed surface of wall is connected with and detects the piece, when having reached through the inside super flow of pipeline, the control blocks the effect that the piece carries out the gas and block, thereby solved when gas stove valve does not close or the gas pipe drops, cause gas poisoning or explosion accident easily, huge loss has been brought for the resident, and the dangerous problem of resident's life has been increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the mounting tube structure of the present invention;

FIG. 3 is a sectional view of the structure of the rotating shaft of the present invention;

FIG. 4 is an enlarged view of the structure A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure B in FIG. 3 according to the present invention;

fig. 6 is an enlarged view of the structure at C in fig. 3 according to the present invention.

In the figure: 1. a wall surface; 2. installing a pipe; 3. a mounting cavity; 4. mounting blocks; 5. a communication port; 6. intercepting the cut; 7. a blocking block; 8. a pressure lever; 9. a contact block; 10. a flexible opening; 11. a limiting groove; 12. a connecting port; 13. an installation port; 14. a rotating shaft; 15. a first seal ring; 16. an operation port; 17. a placement port; 18. a mounting seat; 19. a cylinder; 191. a pneumatic rod; 20. a second seal ring; 21. a torsion spring; 22. a blade; 23. a detection lever; 24. a detection block; 25. an infrared laser transmitter; 26. an infrared laser receiver; 27. and (4) switching.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1 to 6.

A safety valve for preventing over-flow gas leakage comprises a wall surface 1 and an installation pipe 2, wherein the inner wall of the installation pipe 2 is provided with an installation cavity 3, the inner wall of the installation cavity 3 is fixedly connected with an installation block 4, one side surface of the installation block 4 is provided with a communication port 5, the inner wall of the communication port 5 is provided with a blocking port 6, the inner wall of the blocking port 6 is movably inserted with a blocking block 7, the upper surface of the blocking block 7 is fixedly connected with a compression rod 8, the upper surface of the compression rod 8 is fixedly connected with a contact block 9, and the inner top wall of the blocking port 6 is provided with a telescopic port 10;

as shown in fig. 1-4 and fig. 6, an inner wall of the telescopic opening 10 is movably sleeved with an outer surface of the compression bar 8, an inner top wall of the telescopic opening 10 is provided with a sealing groove, an inner wall of the sealing groove is fixedly connected with a first sealing ring 15, an inner top wall of the sealing groove is provided with an operation opening 16, an outer surface of the contact block 9 is movably sleeved with an inner wall of the operation opening 16, a lower surface of the contact block 9 is contacted with an upper surface of the first sealing ring 15, an inner surface of the first sealing ring 15 is movably sleeved with an outer surface of the compression bar 8, an inner wall of the installation tube 2 is provided with a placing opening 17, inner walls of two sides of the installation tube 2 are both provided with limiting grooves 11, an inner wall of one side of the limiting groove 11 is provided with a connection port 12;

as shown in fig. 1-4 and fig. 6, a mounting seat 18 is fixedly connected to the upper surface of the mounting tube 2, a cylinder 19 is fixedly mounted on the upper surface of the mounting seat 18, the cylinder 19 includes a pressure rod 191, the surface of the pressure rod 191, which is far away from the piston, is fixedly connected to the upper surface of the contact block 9, the inner wall of one side of the limiting groove 11 is fixedly connected to a second sealing ring 20, the surface of one side of the second sealing ring 20 is in contact with the surface of one side of the boss in the middle of the rotating shaft 14, the inner wall of the limiting groove 11 is fixedly connected to a torsion spring 21, the free end of one end of the torsion spring 21 is fixedly connected to the outer surface of the rotating shaft 14, the outer surface of the rotating shaft 14 is fixedly connected to a blade 22, one end of the rotating shaft 14 penetrates through and extends to the outer surface of the mounting tube 2, the, the model of the cylinder is CDU 10-10;

as shown in fig. 1-3 and 5-6, the outer surface of the detection block 24 is concave, the inner surfaces of both sides of the detection block 24 are respectively provided with a mounting hole, the inner walls of the two mounting holes are respectively and fixedly provided with an infrared laser transmitter 25 and an infrared laser receiver 26, the detection rod 23 is positioned in the middle of the detection block 24, the upper surface of the mounting tube 2 is fixedly connected with a switch 27, the electrodes of the infrared laser transmitter 25 and the infrared laser receiver 26 are electrically connected with the normally open electrode of the cylinder 19, the electrode of the switch 27 is electrically connected with the normally closed electrode of the cylinder 19, and the models of the infrared laser transmitter 25 and the infrared laser receiver 26 are ZSM12 JGDS;

as shown in fig. 2, the effect of blocking the gas by the control blocking block 7 when the flow rate is excessive through the inside of the pipeline is achieved, so that the problems that gas poisoning or explosion accidents are easily caused when the valve of the gas stove is not closed or the gas pipe falls off, huge loss is brought to residents, and the life risk of the residents is increased are solved, and the gas circulation is blocked immediately.

The working principle is as follows: the working principle is as follows: when the intraductal gas flow of gas increases suddenly, the intraductal gas of gas can promote the flabellum, and then drive pivot 14 and rotate, and then drive measuring rod 23 and swing by a wide margin, when measuring rod 23 breaks away from and detects piece 24, infrared laser emitter 25 and infrared laser receiver 26 can't detect measuring rod 23 during, infrared laser emitter 25 and infrared laser receiver 26 control cylinder 19 get electric, cylinder 19 drives and blocks piece 7 and block intercommunication mouth 5, can block 2 internal gas of installation pipe, afterwards, the user of service can press switch 27, control cylinder 19 resets and can open the passageway.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a prevent that relief valve is revealed to super flow gas, includes wall (1) and installation pipe (2), its characterized in that: the inner wall of the mounting pipe (2) is provided with a mounting cavity (3), the inner wall of the mounting cavity (3) is fixedly connected with a mounting block (4), a communication opening (5) is arranged on the surface of one side of the mounting block (4), a blocking opening (6) is arranged on the inner wall of the communication opening (5), the inner wall of the blocking port (6) is movably inserted with a blocking block (7), the upper surface of the blocking block (7) is fixedly connected with a pressure lever (8), the upper surface of the pressure lever (8) is fixedly connected with a contact block (9), the inner top wall of the interception opening (6) is provided with a telescopic opening (10), the inner walls of the two sides of the mounting pipe (2) are both provided with a limiting groove (11), the inner wall of one side of the limiting groove (11) is provided with a connecting port (12), the inner side wall of one end of the connecting port (12) is provided with a mounting port (13), and the inner wall of the mounting port (13) is fixedly connected with a rotating shaft (14) through a rolling bearing.

2. The over-flow gas leakage prevention safety valve according to claim 1, wherein: the inner wall of expansion joint (10) cup joints with the surface activity of depression bar (8), the seal groove has been seted up to the interior roof of expansion joint (10), the first sealing washer (15) of inner wall fixedly connected with of seal groove, operation mouth (16) have been seted up to the interior roof of seal groove, the surface of contact piece (9) cup joints with the inner wall activity of operation mouth (16), the lower surface of contact piece (9) and the upper surface contact of first sealing washer (15), the internal surface of first sealing washer (15) cup joints with the surface activity of depression bar (8), place mouth (17) have been seted up to the inner wall of installation pipe (2).

3. The over-flow gas leakage prevention safety valve according to claim 1, wherein: the upper surface fixed connection of installation pipe (2) has mount pad (18), the upper surface fixed mounting of mount pad (18) has cylinder (19), cylinder (19) include pneumatic rod (191), the one end surface of keeping away from the piston of pneumatic rod (191) is connected with the upper surface fixed connection of contact piece (9).

4. The over-flow gas leakage prevention safety valve according to claim 1, wherein: one side inner wall fixedly connected with second sealing washer (20) of spacing groove (11), one side surface of second sealing washer (20) contacts with a side surface of pivot (14) middle part boss, the inner wall fixedly connected with torsion spring (21) of spacing groove (11), the one end free end of torsion spring (21) is connected with the surface fixed connection of pivot (14).

5. The over-flow gas leakage prevention safety valve according to claim 1, wherein: the fixed surface of pivot (14) is connected with blade (22), the one end of pivot (14) runs through and extends to the surface of installation pipe (2), pivot (14) are located the outside fixed surface of installation pipe (2) and are connected with test rod (23), one side fixed surface of wall (1) is connected with and detects piece (24).

6. The over-flow gas leakage prevention safety valve according to claim 5, wherein: the outer surface of the detection block (24) is in a concave shape, mounting holes are formed in the inner surfaces of the two sides of the detection block (24), an infrared laser emitter (25) and an infrared laser receiver (26) are fixedly mounted on the inner wall of each mounting hole respectively, and the detection rod (23) is located in the middle of the detection block (24).

7. The over-flow gas leakage prevention safety valve according to claim 6, wherein: the upper surface fixed connection of installation pipe (2) has switch (27), the electrode of infrared laser emitter (25) and infrared laser receiver (26) and the normally open electrode electric connection of cylinder (19), the electrode of switch (27) and the normally closed electrode electric connection of cylinder (19).