CN112728120A

CN112728120A - Safe explosion-proof type gas pressure regulator

Info

Publication number: CN112728120A
Application number: CN202011597420.4A
Authority: CN
Inventors: 刘春红; 刘杰; 邸建超; 吕新华; 乔建勇
Original assignee: Hebei Xinxing Pressure Regulator Co ltd
Current assignee: Hebei Xinxing Pressure Regulator Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-04-30
Anticipated expiration: 2040-12-29
Also published as: CN112728120B

Abstract

The invention relates to the technical field of gas pressure regulators, in particular to a safe explosion-proof gas pressure regulator, which comprises a flexible rubber diaphragm and a bottom shell, wherein the bottom shell is connected with a conical top shell through a plurality of bolts, the bottom shell and the conical top shell are connected with the flexible rubber diaphragm through a compression ring, the conical top shell is connected with a blocking device through two support columns, the bottom shell is communicated with an air inlet pipe and an air outlet pipe, a low-pressure air blocking mechanism is arranged in the air inlet pipe, the low-pressure air blocking mechanism is connected with a traction device, an air inlet adjusting device is connected in the bottom shell through a support rod, a manual adjusting device is arranged in the conical top shell through a threaded ring, the traction device and the air inlet adjusting device are both connected with the manual adjusting device, bent pipes are respectively communicated with the bottom shell and the air inlet pipe, the two bent pipes are communicated through a re, better blocking performance and explosion resistance, and easier maintenance and repression after damage.

Description

Safe explosion-proof type gas pressure regulator

Technical Field

The invention relates to the technical field of gas pressure regulators, in particular to a safe explosion-proof gas pressure regulator.

Background

As is well known, a safety explosion-proof gas pressure regulator is an auxiliary device used in the use of gas for regulating the pressure of the gas so as to facilitate the better use of the gas, and is widely used in the field of gas delivery.

The existing gas pressure regulator comprises a shell and a cover body, wherein the shell and the cover body are fixedly connected through a bolt, an air inlet pipe and an air outlet pipe are arranged on the shell, the shell and the cover body are matched to form a pressure regulating air chamber, the pressure regulating air chamber is communicated with the air inlet pipe and the air outlet pipe, a flexible rubber diaphragm and a hinge rod are arranged in the pressure regulating air chamber, two ends of the hinge rod are respectively connected with a closing plug and a connecting rod, a top seat is arranged above the flexible rubber diaphragm, a pressure regulating spring is arranged between the top seat and the cover body, a reset switch is arranged on the cover body, the connecting rod penetrates through the flexible rubber diaphragm and is connected with the reset switch, when the gas pressure regulator is used, the air inlet pipe and the air outlet pipe are respectively communicated with an air supply pipeline and an air pipeline, when the pressure in the pressure, the hinge rod reduces the air input of the air inlet pipe through the movement of the closing plug, when the pressure in the pressure regulating air chamber is reduced, the flexible rubber diaphragm contracts according to the pressure change in the pressure regulating air chamber, the elastic force of the pressure regulating spring drives the hinge rod to rotate reversely through the connecting rod, the hinge rod increases the air input of the air inlet pipe through the movement of the closing plug, and the gas pressure is regulated.

However, the above prior art schemes still have the following defects that although the gas pressure can be adjusted to a certain degree, when the gas pressure regulator is used for a long time, the flexible rubber diaphragm is easy to age and leak gas, the pressure in the gas pressure regulating chamber is easy to be smaller, the closing plug is completely opened, a large amount of gas leakage is easy to be caused, the use safety is lower, when the gas pressure regulator is on fire due to gas leakage, the fire disaster is easy to be caused, serious safety accidents are easy to be caused, the explosion-proof type is poor, meanwhile, the maintenance after gas leakage is difficult, and the practicability is poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a safe explosion-proof gas pressure regulator, wherein when gas leaks, an air inlet pipe is sealed by a low-pressure gas blocking mechanism, so that the gas leakage is less, the use safety is higher, the gas pressure regulator is easily separated from the surrounding environment after ignition, the blocking performance is better, the explosion resistance is better, meanwhile, the gas pressure regulator is easy to maintain after damage, and the re-pressing is easier after maintenance.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a safe explosion-proof type gas pressure regulator, includes flexible rubber diaphragm, still includes the drain pan, the drain pan has the toper top shell through a plurality of bolted connection, between drain pan and the toper top shell through the clamping ring with flexible rubber diaphragm connects, is connected with the separation device through two support columns on the toper top shell, and the drain pan intercommunication has intake pipe and outlet duct, install low pressure in the intake pipe and keep off the gas mechanism, the left end that the low pressure kept off the gas mechanism is connected with draw gear, rotate through the bracing piece in the drain pan and be connected with adjusting device that admits air, install manual adjusting device through the screw ring in the toper top shell, draw gear and adjusting device that admits air all are connected with manual adjusting device, all communicate on drain pan and the intake pipe and have the return bend, two the return bend is linked together through.

Preferably, the blocking device comprises a circular cylinder, the circular cylinder is connected with the supporting column, a sleeve is fixedly connected in the circular cylinder, the sleeve is provided with a plurality of through holes, the sleeve is connected with a moving block in a sliding way, the moving block is fixedly connected with an umbrella-shaped positioning block through a cylinder, the sleeve is fixedly connected with a storage plate through a plurality of connecting plates, the top end of the storage plate is connected with a protective circular cap through a circular column, a fireproof blanket is fixedly connected on the circular column, one end of the fireproof blanket, which is far away from the circular column, is fixedly connected with a plurality of arc plates, a positioning rod is fixedly connected on each arc plate, a ring plate is fixedly connected between the sleeve and the circular cylinder, and the ring plate, the sleeve, the circular cylinder and the moving block form a closed cavity, mercury is arranged in the closed cavity, a plurality of square hole plates are fixedly connected to the ring plate, and a plurality of spring springs are fixedly connected to the square hole plates.

Preferably, low pressure keeps off gas mechanism includes circle piece and ring, circle piece and ring all through a plurality of connecting rods with intake pipe fixed connection, the left end fixedly connected with elasticity pipe and the increase pole of circle piece, elasticity pipe and ring fixed connection, sliding connection has the circle pole in the ring, rotate through the square piece on the circle pole and be connected with a plurality of actuating levers, it is connected with the anchor shape bloated piece to rotate on the actuating lever, the anchor shape bloated piece with elasticity pipe sliding connection.

Preferably, the traction device comprises an L-shaped rod, one end of the L-shaped rod is fixedly connected with the round rod, and the other end of the L-shaped rod is connected with a step rod.

Preferably, adjusting device admits air including closing stopper and dwang, close the stopper with dwang fixed connection, the dwang with the bracing piece rotates to be connected, has seted up the bar hole on the dwang.

Preferably, manual adjusting device includes regulating plate, montant and apical ring, the regulating plate with the montant is sliding fit, the regulating plate with the screw ring rotates to be connected, the montant with the apical ring is the buckle to be connected, and the outside cover of montant is equipped with the regulation spring, and the bar groove has been seted up to the bottom of montant, the left end in bar groove and right-hand member all communicate with each other with the external world, bar inslot fixedly connected with bar hole assorted circle axle, the montant with the shoulder pole rotates to be connected.

Preferably, the square hole plate is provided with a square through hole matched with the positioning rod.

Preferably, the air inlet pipe and the air outlet pipe are fixedly connected with flange plates.

Preferably, the threaded ring is provided with anti-skid threads.

Preferably, the ejection spring is made of alloy materials.

(III) advantageous effects

Compared with the prior art, the invention provides a safe explosion-proof gas pressure regulator, which has the following beneficial effects:

1. this safe explosion-proof type gas pressure regulator, through the design that the low pressure kept off the gas mechanism, be convenient for when parts such as flexible rubber diaphragm age gas leakage, comparatively timely seal the intake pipe and cut off the air inlet source to be convenient for reduce the gas leakage volume, the safety in utilization is higher.

2. This safe explosion-proof type gas pressure regulator, through the design of separation device, be convenient for when this safe explosion-proof type gas pressure regulator gas leakage is on fire with the wall of surrounding environment to be convenient for reduce the damage to object on every side, reduce loss of property, the explosion-proof nature is better.

3. This safe explosion-proof type gas pressure regulator, through the cooperation of drain pan and toper top shell, the maintenance after this full explosion-proof type gas pressure regulator gas leakage of being convenient for uses comparatively in a flexible way, through the cooperation of drain pan, intake pipe, return bend and repressing valve, and the repressing of the pressure in the drain pan after the maintenance of being convenient for to this safe explosion-proof type gas pressure regulator of being convenient for resumes normal pressure regulating, and the operation that resets is comparatively simple, convenient.

Drawings

FIG. 1 is a schematic cross-sectional perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is an enlarged partial view of FIG. 1 at C;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D according to the present invention;

fig. 6 is a schematic perspective view of the present invention.

In the figure: 1. a flexible rubber diaphragm; 2. a bottom case; 3. a bolt; 4. a conical top shell; 5. pressing a ring; 6. a support pillar; 7. an air inlet pipe; 8. an air outlet pipe; 9. a support bar; 10. a threaded ring; 11. bending the pipe; 12. a pressure-restoring valve; 13. a circular cylinder; 14. a sleeve; 15. a moving block; 16. a cylinder; 17. an umbrella-shaped positioning block; 18. a connecting plate; 19. a storage plate; 20. a circular column; 21. a protective round cap; 22. a fire blanket; 23. an arc plate; 24. positioning a rod; 25. a ring plate; 26. mercury; 27. a square hole plate; 28. ejecting a spring; 29. a round block; 30. a circular ring; 31. a connecting rod; 32. an elastic tube; 33. an enlarged rod; 34. a round bar; 35. square pieces; 36. a drive rod; 37. an anchor-shaped expansion block; 38. an L-shaped rod; 39. a step bar; 40. closing the plug; 41. rotating the rod; 42. an adjusting plate; 43. a vertical rod; 44. a top ring; 45. an adjusting spring; 46. a circular shaft; 47. a flange plate; 48. and (4) anti-skid lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-6, a safe explosion-proof gas pressure regulator comprises a flexible rubber diaphragm 1 and a bottom shell 2, wherein the bottom shell 2 is connected with a conical top shell 4 through a plurality of bolts 3, the bottom shell 2 and the conical top shell 4 are connected with the flexible rubber diaphragm 1 through a compression ring 5, so that the full explosion-proof gas pressure regulator can be maintained after air leakage, the use is flexible, the conical top shell 4 is connected with a separation device through two support columns 6, the separation device is convenient for separating the gas leakage and the surrounding environment when the safe explosion-proof gas pressure regulator leaks and fires, thereby reducing the damage to the surrounding objects, reducing property loss and having good explosion resistance, the separation device comprises a round cylinder 13, the round cylinder 13 is connected with the support columns 6, a sleeve 14 is fixedly connected in the round cylinder 13, a plurality of through holes are arranged on the sleeve 14, a moving block 15 is slidably connected in the sleeve 14, an umbrella-shaped positioning block 17 is fixedly connected on the moving block, the positioning rod 24 is convenient to position and release, the storage plate 19 is fixedly connected to the sleeve 14 through the connecting plates 18, the fireproof blanket 22 is convenient to store, the storage plate is practical, the top end of the storage plate 19 is connected with the protection round cap 21 through the round column 20, the protection of the fireproof blanket 22 is convenient to improve, the protection effect is good, the fireproof blanket 22 is fixedly connected to the round column 20, one end, away from the round column 20, of the fireproof blanket 22 is fixedly connected with the arc plates 23, the fireproof blanket 22 is convenient to protect, the fireproof blanket 22 is convenient to fall down, the positioning rods 24 are fixedly connected to the arc plates 23, the arc plates 23 are convenient to position, the ring plate 25 is fixedly connected between the sleeve 14 and the round cylinder 13, a closed cavity is convenient to form, the square hole plate 27 is convenient to install, the ring plate 25, the sleeve 14, the round cylinder 13 and the moving block 15 form a closed cavity, the mercury 26 is arranged in the closed cavity, the square hole plates, spring 28 is fixedly connected to each of the square hole plates 27, so that the arc plates 23 can be conveniently popped out, the fireproof blanket 22 can be conveniently spread out, and the safety explosion-proof gas pressure regulator can be conveniently covered.

It should be further noted that the bottom case 2 is communicated with an air inlet pipe 7 and an air outlet pipe 8, a low-pressure air blocking mechanism is installed in the air inlet pipe 7, so that when the components such as the flexible rubber diaphragm 1 age and leak air, the air inlet pipe 7 is sealed and cut off in time, so that air leakage is reduced, the use safety is high, the low-pressure air blocking mechanism comprises a round block 29 and a round ring 30, the round block 29 and the round ring 30 are fixedly connected with the air inlet pipe 7 through a plurality of connecting rods 31, so that an elastic pipe 32 and an increasing rod 33 are installed conveniently, a round rod 34 is supported conveniently, the left end of the round block 29 is fixedly connected with the elastic pipe 32 and the increasing rod 33, the elastic pipe 32 is fixedly connected with the round ring 30, the round rod 34 is slidably connected with the round rod 30, a plurality of driving rods 36 are rotatably connected on the round rod 34 through a square plate 35, so that an anchor-shaped expansion block 37 is driven conveniently, the elastic tube 32 is conveniently expanded, the air inlet tube 7 is conveniently sealed, the anchor-shaped expansion block 37 is connected with the elastic tube 32 in a sliding manner, the relative stability between the anchor-shaped expansion block 37 and the elastic tube 32 during movement is convenient to stabilize, the left end of the low-pressure air blocking mechanism is connected with a traction device, the traction and pushing of the round rod 34 are convenient, the traction device comprises an L-shaped rod 38, one end of the L-shaped rod 38 is fixedly connected with the round rod 34, the other end of the L-shaped rod 38 is connected with a stepped rod 39, the traction and pushing of the L-shaped rod 38 are convenient, an air inlet adjusting device is rotatably connected in the bottom shell 2 through a support rod 9 and is convenient for the pressure regulating operation of the safe explosion-proof gas pressure regulator, the air inlet adjusting device comprises a closing plug 40 and a rotating rod 41, the closing plug 40 is fixedly connected with the rotating rod 41, the rotating rod 41 is rotatably connected with the support rod 9, a strip-shaped hole, draw gear and air inlet adjusting device all are connected with manual adjusting device, all communicate on drain pan 2 and the intake pipe 7 have return bend 11, and two return bends 11 are linked together through backpressure valve 12, the repression of the pressure in the drain pan 2 after the maintenance of being convenient for to be convenient for this safe explosion-proof type gas pressure regulator normal pressure regulating, the operation that resets is comparatively simple, convenient.

It should be further noted that the manual adjusting device includes an adjusting plate 42, a vertical rod 43 and a top ring 44, the adjusting plate 42 is in sliding fit with the vertical rod 43, so as to facilitate the up-and-down movement of the vertical rod 43, the adjusting plate 42 is rotatably connected with the threaded ring 10, so as to facilitate the rotation of the threaded ring 10, thereby facilitating the up-and-down adjustment of the vertical rod 43, the vertical rod 43 is in snap-fit connection with the top ring 44, so as to facilitate the installation and disassembly of the top ring 44 on the vertical rod 43, thereby facilitating the installation and disassembly of the flexible rubber diaphragm 1, the outer part of the vertical rod 43 is sleeved with an adjusting spring 45, so as to facilitate the adjustment of the pressure regulating of the safe explosion-proof gas pressure regulator, the bottom end of the vertical rod 43 is provided with a strip-shaped groove, the left end and the right end of the strip-shaped groove are both communicated with the outside, the strip-, set up on the square hole board 27 with 24 assorted square clearing holes of locating lever, the locating lever 24 of being convenient for passes through, and is comparatively practical, equal fixedly connected with ring flange 47 on intake pipe 7 and the outlet duct 8, the installation of being convenient for, it is practical comparatively nimble, be provided with anti-skidding line 48 on the screw ring 10, the rotation of the screw ring 10 of being convenient for, montant 43 adjusts comparatively laborsavingly, pops out spring 28 and adopts the alloy material, is convenient for improve the service reliability who pops out spring 28, and life is longer.

The above-mentioned pressure valve 12 is a conventional device which is commercially available and well known to those skilled in the art, the model of the pressure valve 12 is HV-02, and we only use it in this patent, and do not modify its structure and function, and the setting mode and installation mode thereof are only needed to be adjusted according to the requirements of the specification, and will not be described herein again.

In summary, the working principle and the working process of the safe explosion-proof gas pressure regulator are that, when in use, the safe explosion-proof gas pressure regulator is firstly installed at a place where it is needed to use, the threaded ring 10 is rotated to regulate the relative position of the vertical rod 43, the flexible rubber diaphragm 1 regulates the position of the closing plug 40 through the rotating rod 41 according to the air pressure in the bottom shell 2, so as to regulate the air pressure in the bottom shell 2, when the flexible rubber diaphragm 1 leaks air, the air pressure in the bottom shell 2 is reduced, the flexible rubber diaphragm 1 drives the vertical rod 43 to move downwards through the top ring 44 under the action of the spring and the low pressure in the shell, the vertical rod 43 moves downwards to push the L-shaped rod 38 to move through the stepped rod 39, the L-shaped rod 38 moves to drive the round rod 34 to move, the round rod 34 moves to make the driving rod 36 move relative to the increasing rod 33, the driving rod 36 expands the elastic tube 32 under the action of, therefore, the air inlet pipe 7 is blocked and leaked less, and the use safety is higher.

It should be further noted that, after the safety explosion-proof gas pressure regulator is ignited due to gas leakage, the temperature around the circular cylinder 13 rises sharply, the volume of the mercury 26 expands due to temperature rise, the moving block 15 moves upwards, the moving block 15 pushes the umbrella-shaped positioning block 17 to move upwards through the cylinder 16, so as to loosen the positioning rod 24, after the positioning action force of the positioning rod 24 disappears, the arc plate 23 is pushed out under the action of the pop-up spring 28, the arc plate 23 pulls out the fireproof blanket 22 under the action of gravity and covers around the safety explosion-proof gas pressure regulator, so as to realize the separation from the surrounding environment, the practicability is good, after the fire is extinguished, the bolt 3 is rotated to detach the conical top shell 4, the flexible rubber diaphragm 1 or other damaged parts are replaced, after the maintenance is completed, the conical top shell 4 is mounted back to the bottom shell 2, the backpressure valve 12 is opened, the internal backpressure of the bottom shell 2 is restored, and the backpressure valve 12 is closed after the backpressure is completed, the safe explosion-proof gas pressure regulator is reset after maintenance, and is simple to operate and convenient to use.

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. The utility model provides a safe explosion-proof type gas pressure regulator, includes flexible rubber diaphragm (1), its characterized in that: the air inlet and outlet device is characterized by further comprising a bottom shell (2), the bottom shell (2) is connected with a conical top shell (4) through a plurality of bolts (3), the bottom shell (2) and the conical top shell (4) are connected with the flexible rubber diaphragm (1) through a compression ring (5), the conical top shell (4) is connected with a blocking device through two support columns (6), the bottom shell (2) is communicated with an air inlet pipe (7) and an air outlet pipe (8), a low-pressure air blocking mechanism is installed in the air inlet pipe (7), the left end of the low-pressure air blocking mechanism is connected with a traction device, an air inlet adjusting device is rotatably connected in the bottom shell (2) through a support rod (9), a manual adjusting device is installed in the conical top shell (4) through a threaded ring (10), the traction device and the air inlet adjusting device are both connected with the manual adjusting device, and bent pipes (11) are both communicated on the bottom shell (2), the two bent pipes (11) are communicated through a pressure recovery valve (12).

2. A safe explosion-proof type gas pressure regulator according to claim 1, characterized in that: the blocking device comprises a round barrel (13), the round barrel (13) is connected with the supporting column (6), a sleeve (14) is fixedly connected in the round barrel (13), a plurality of through holes are formed in the sleeve (14), a moving block (15) is slidably connected in the sleeve (14), an umbrella-shaped positioning block (17) is fixedly connected on the moving block (15) through a cylinder (16), a storage plate (19) is fixedly connected on the sleeve (14) through a plurality of connecting plates (18), the top end of the storage plate (19) is connected with a protective round cap (21) through a round column (20), a fireproof blanket (22) is fixedly connected on the round column (20), a plurality of arc plates (23) are fixedly connected at one end, far away from the round column (20), of the fireproof blanket (22), positioning rods (24) are fixedly connected on the arc plates (23), and a ring plate (25) is fixedly connected between the sleeve (14) and the round barrel (13), and the annular plate (25), the sleeve (14), the round barrel (13) and the moving block (15) form a closed cavity, mercury (26) is arranged in the closed cavity, the annular plate (25) is fixedly connected with a plurality of square hole plates (27), and the square hole plates (27) are all fixedly connected with ejection springs (28).

3. A safe explosion-proof type gas pressure regulator according to claim 2, characterized in that: low pressure keeps off gas mechanism includes circle piece (29) and ring (30), circle piece (29) and ring (30) all through a plurality of connecting rods (31) with intake pipe (7) fixed connection, the left end fixed connection of circle piece (29) has elasticity pipe (32) and increase pole (33), elasticity pipe (32) and ring (30) fixed connection, sliding connection has round bar (34) in ring (30), it is connected with a plurality of actuating levers (36) to rotate through square piece (35) on round bar (34), it is connected with anchor shape bloated piece (37) to rotate on actuating lever (36), anchor shape bloated piece (37) with elasticity pipe (32) sliding connection.

4. A safe explosion-proof type gas pressure regulator according to claim 3, characterized in that: the traction device comprises an L-shaped rod (38), one end of the L-shaped rod (38) is fixedly connected with the round rod (34), and the other end of the L-shaped rod (38) is connected with a stepped rod (39).

5. A safe explosion-proof type gas pressure regulator according to claim 4, characterized in that: adjusting device admits air including closing stopper (40) and dwang (41), close stopper (40) with dwang (41) fixed connection, dwang (41) with bracing piece (9) are rotated and are connected, have seted up the bar hole on dwang (41).

6. A safe explosion-proof type gas pressure regulator according to claim 5, characterized in that: manual adjusting device includes regulating plate (42), montant (43) and apical ring (44), regulating plate (42) with montant (43) are sliding fit, regulating plate (42) with threaded ring (10) rotate to be connected, montant (43) with apical ring (44) are the buckle and connect, and the outside cover of montant (43) is equipped with adjusting spring (45), and the bar groove has been seted up to the bottom of montant (43), the left end in bar groove and right-hand member all communicate with each other with the external world, bar inslot fixedly connected with bar hole assorted circle axle (46), montant (43) with ladder pole (39) rotate to be connected.

7. A safe explosion-proof type gas pressure regulator according to claim 6, characterized in that: the square hole plate (27) is provided with a square through hole matched with the positioning rod (24).

8. A safe explosion-proof type gas pressure regulator according to claim 7, characterized in that: and the air inlet pipe (7) and the air outlet pipe (8) are fixedly connected with flange plates (47).

9. A safe explosion-proof type gas pressure regulator according to claim 8, characterized in that: the threaded ring (10) is provided with anti-skid threads (48).

10. A safe explosion-proof type gas pressure regulator according to claim 9, characterized in that: the pop-up spring (28) is made of alloy materials.