CN112228778A

CN112228778A - Blowout prevention and disassembly prevention pressure gauge valve

Info

Publication number: CN112228778A
Application number: CN202011078839.9A
Authority: CN
Inventors: 徐辅山
Original assignee: Tianchang Zhihao Mechanical And Electrical Parts Co ltd
Current assignee: Tianchang Zhihao Mechanical And Electrical Parts Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-01-15
Anticipated expiration: 2040-10-10
Also published as: CN112228778B

Abstract

The invention discloses a blowout-preventing and anti-disassembling pressure gauge valve which comprises a pipeline, wherein a connector is embedded and connected to the surface of the pipeline, a plugging ring is fixed on the inner wall, close to the bottom, of the connector, the surface of the plugging ring is provided with a liquid passing hole, a pressure gauge body is inserted into the connector, and a mounting ring is fixed on the surface of the pressure gauge body. Through the matching of the structures, the arrangement of the anti-theft box is realized, the worm is prevented from being accidentally rotated or the pressure gauge head is prevented from being stolen intentionally, a certain anti-disassembly purpose is achieved, the plugging plug moves downwards, the plugging of the liquid passing hole is realized, meanwhile, the abutting fixation of the swing clamping assembly is released, the swing clamping assembly can swing, the clamping fixation of the pressure gauge head is released, the pressure gauge head is convenient to disassemble, the pressure gauge head is plugged while being disassembled, the liquid in the pipeline is prevented from being sprayed out of the connector, and the operation safety and the operation efficiency are improved.

Description

Blowout prevention and disassembly prevention pressure gauge valve

Technical Field

The invention relates to the technical field of petrochemical equipment, in particular to a blowout-preventing and anti-disassembly pressure gauge valve.

Background

The pressure gauge valve is arranged on a conveying pipeline in a petroleum or chemical field to communicate the pressure gauge with the pipeline through the valve body, so that the pressure of gas in the pipeline is displayed. In order to measure the pressure of gas or liquid in the pipe, the pressure gauge valve is usually installed between the pipe and the pressure gauge to form a communicating cavity, i.e. the gas or liquid in the pipe can enter the measuring range of the pressure gauge through the communicating cavity. To petrochemical industry place, the pipeline can lay unmanned on duty open-air area sometimes, because unmanned on duty, the manometer is stolen losing easily, perhaps because the manometer damages, and makes gas or liquid in the pipeline reveal, causes the energy extravagant, environmental pollution to probably bring danger.

Because current manometer valve simple structure, the dismantlement process is comparatively simple, does not generally have the theftproof function, and when dismantling the manometer valve, difficult realization need artificially close the valve on the connector to the shutoff of connector simultaneously, perhaps let the liquid in the pipeline leak, has certain potential safety hazard, has brought the inconvenience for the use, consequently needs to improve.

Disclosure of Invention

The invention aims to provide a blowout-preventing and disassembly-preventing pressure gauge valve which is provided with an anti-theft box, prevents a worm from being accidentally rotated or a pressure gauge head from being intentionally stolen, achieves a certain disassembly-preventing purpose, and when the worm is rotated, a plugging plug moves downwards to plug a liquid passing hole, simultaneously removes the abutting fixation on a swinging clamping assembly, enables the swinging clamping assembly to swing under the action of spring elasticity, thereby removing the clamping fixation on the pressure gauge head, facilitating the disassembly of the pressure gauge head, plugging a connector while the pressure gauge head is disassembled, avoiding the liquid in a pipeline from being jetted out from the connector, improving the operation safety and the operation efficiency, and solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prevent spouting anti-disassembly pressure gauge valve, includes the pipeline, the surface embedding of pipeline is connected with the connector, and is close to the inner wall of its bottom on the connector and is fixed with the shutoff ring, and the surface of shutoff ring has seted up the liquid hole, the inside grafting of connector has the manometer body, the fixed surface of manometer body has the collar, and the collar passes through bolt and connector fixed mounting.

The cavity has all been seted up to the left and right sides of connector inner wall, and is equipped with in the cavity and is used for carrying out the swing centre gripping subassembly that the centre gripping is fixed to the manometer body, the inner wall of connector is fixed with the solid fixed ring of cross, the inner wall of the solid fixed ring of cross rotates and is connected with an internal thread section of thick bamboo, the inner wall threaded connection of an internal thread section of thick bamboo has the removal subassembly, and an internal thread section of thick bamboo rotates, drives the removal subassembly rebound for swing centre gripping subassembly swings in the cavity, and it is fixed to realize the.

Preferably, swing centre gripping subassembly includes the dead lever of fixed connection in the cavity, the tip of dead lever articulates there is the pendulum rod, the top of pendulum rod articulates there is last push rod, the end fixing of last push rod has and is used for carrying out the fixed arc splint of centre gripping to the manometer body, and the bottom of pendulum rod articulates there is the lower push rod, and the looks remote site of two lower push rods all is fixed with the wedge ejector pad, the surface cover of lower push rod is equipped with the spring, the both ends of spring respectively with the inner wall of connector and the side fixed connection of wedge ejector pad.

Preferably, the surface mounting of an internal thread section of thick bamboo has the worm wheel, the inner wall of connector rotates and is connected with the worm with worm wheel meshing and adaptation, and the rotation end of worm runs through the connector outside.

Preferably, an anti-theft box is fixed on the side face of the connector, and the rotating end of the worm is located in the anti-theft box.

Preferably, the movable assembly comprises a screw rod in threaded connection with the inner thread barrel, the bottom end of the screw rod is fixedly provided with a blocking plug movably connected with the liquid passing hole, the top end of the screw rod is fixedly provided with a ball abutted to the inclined surface of the wedge-shaped push block, and the screw rod is connected with the inner wall of the connector in a sliding mode through the limiting assembly.

Preferably, the circumferential surface of the plug is fixed with a rubber sealing layer.

Preferably, the limiting component comprises a limiting rod fixedly connected to the surface of the screw rod, a limiting block is fixed to one end, away from the screw rod, of the limiting rod, and a limiting groove for the limiting block to move is formed in the inner wall of the connector.

Compared with the prior art, the invention has the following beneficial effects:

firstly, the anti-theft box is opened by arranging the anti-theft box, the worm wheel, the internal thread cylinder, the cross fixing ring, the screw, the sealing plug, the ball and the limiting component, the internal thread cylinder rotates by rotating the worm, and the screw can move downwards under the limiting action of the limiting component, so that the sealing plug can seal the liquid passing hole, and meanwhile, the ball moves downwards, and the pressing and fixing of the clamping swing component are released.

According to the invention, by arranging the fixing rod, the upper push rod, the lower push rod, the arc-shaped clamping plate, the spring and the wedge-shaped push block, when the ball moves downwards, the pressing and fixing of the wedge-shaped push block are removed, so that the wedge-shaped push block is pushed to move under the action of the elastic force of the spring, the lower push rod is driven to move, the swing rod swings around a hinged point with the fixing rod, the swing rod drives the upper push rod to move, the arc-shaped clamping plate is contracted in the cavity, and the clamping and fixing of the pressure gauge body are removed.

Thirdly, to sum up, use through the cooperation of above-mentioned relevant structure, make opening the anti-theft box, when carrying out normal operation and dismantling the manometer body, rotate the worm, drive the shutoff stopper and move down, realized the shutoff to crossing the liquid hole, it is fixed to have removed the support of wedge ejector pad simultaneously, under the effect of spring elasticity, make the pendulum rod can swing, it contracts in the cavity to drive arc splint, it is fixed to have removed the centre gripping of manometer head, be convenient for pull down the manometer head, make the manometer head when pulling down, the shutoff connector, the liquid of having avoided the pipeline inside sprays and goes out from the connector, operation security and operating efficiency have been improved.

Drawings

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

FIG. 2 is a front cross-sectional view of the plug of FIG. 1 plugging a fluid-passing orifice in accordance with the present invention;

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

FIG. 4 is a cross-sectional view taken at A-A of the present invention;

FIG. 5 is a top cross-sectional view of the cross-shaped retaining ring of the present invention.

In the figure: 1. a pipeline; 2. a connector; 3. a plugging ring; 4. a pressure gauge body; 5. a mounting ring; 6. a bolt; 7. a cross-shaped fixing ring; 8. an internal threaded barrel; 9. fixing the rod; 10. a swing rod; 11. a push rod is arranged; 12. an arc-shaped splint; 13. a lower push rod; 14. a wedge-shaped push block; 15. a spring; 16. a worm gear; 17. a worm; 18. an anti-theft box; 19. a screw; 20. blocking; 21. a ball; 22. a rubber sealing layer; 23. a limiting rod; 24. a limiting groove.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a prevent spouting anti-disassembly pressure gauge valve, including pipeline 1, pipeline 1's surface embedding is connected with connector 2, and the inner wall that is close to its bottom on the connector 2 is fixed with shutoff ring 3, and the surface of shutoff ring 3 has seted up the liquid hole, it has manometer body 4 to peg graft in the inside of connector 2, manometer body 4's fixed surface has collar 5, and collar 5 passes through bolt 6 and connector 2 fixed mounting, bolt 6 has played preliminary fixed effect to manometer body 4.

The cavity has all been seted up to the left and right sides of 2 inner walls of connector, and is equipped with in the cavity and is used for carrying out the swing centre gripping subassembly that the centre gripping is fixed to manometer body 4.

Further, the swing clamping assembly comprises a fixed rod 9 fixedly connected in the cavity, the end of the fixed rod 9 is hinged with a swing rod 10, the top end of the swing rod 10 is hinged with an upper push rod 11, the end of the upper push rod 11 is fixedly provided with an arc-shaped clamping plate 12 for clamping and fixing the pressure gauge body 4, the bottom end of the swing rod 10 is hinged with a lower push rod 13, opposite ends of the two lower push rods 13 are respectively fixed with a wedge-shaped push block 14, the surface of the lower push rod 13 is sleeved with a spring 15, two ends of the spring 15 are respectively fixedly connected with the inner wall of the connector 2 and the side surface of the wedge-shaped push block 14, when the ball 21 moves downwards, the abutting fixation of the wedge-shaped push block 14 is released, so that the wedge-shaped push block 14 is pushed to move under the action of the elastic force of the spring 15, the lower push rod 13 is driven to move, the swing rod 10, thereby causing the arc-shaped clamping plate 12 to contract in the cavity, releasing the clamping fixation of the pressure gauge body 4, and facilitating the detachment of the pressure gauge body 4 after the fixation of the bolt 6 is released.

The inner wall of connector 2 is fixed with the solid fixed ring of cross 7, and the inner wall of the solid fixed ring of cross 7 rotates and is connected with an internal thread section of thick bamboo 8.

Further, the surface mounting of internal thread section of thick bamboo 8 has worm wheel 16, and the inner wall of connector 2 rotates and is connected with the worm 17 with worm wheel 16 meshing and adaptation, and the rotation end of worm 17 runs through the connector 2 outside, through the setting of worm 17 and worm wheel 16 for rotate internal thread section of thick bamboo 8 simple and convenient more.

Furthermore, a theft-proof box 18 is fixed on the side surface of the connector 2, a coded lock (not shown in the figure) is arranged on the front side of the theft-proof box 18, the coded lock plays a role in theft prevention, the rotating end of the worm 17 is positioned in the theft-proof box 18, and the arrangement of the theft-proof box 18 prevents the worm 17 from being accidentally rotated or the pressure gauge body 4 from being stolen intentionally (namely all abnormal operations), so that a certain anti-disassembly purpose is achieved.

The inner wall threaded connection of an internal thread section of thick bamboo 8 has the removal subassembly, and an internal thread section of thick bamboo 8 rotates, drives removal subassembly rebound for swing centre gripping subassembly swings in the cavity, fixes in order to realize the centre gripping to manometer body 4.

Further, the removal subassembly includes screw rod 19 of threaded connection in the internal thread section of thick bamboo 8, the bottom mounting of screw rod 19 has the shutoff stopper 20 with crossing liquid hole swing joint, the top of screw rod 19 is fixed with the ball 21 with 14 inclined plane butts of wedge ejector pad, and screw rod 19 passes through the inner wall sliding connection of spacing subassembly and connector 2, when needs carry out normal dismantlement to manometer body 4, must open anti-theft box 18, it rotates worm 17 drive worm wheel 16, thereby drive internal thread section of thick bamboo 8 and rotate, because internal thread section of thick bamboo 8 and screw rod 19 threaded connection, and under the limiting displacement of spacing subassembly, make screw rod 19 can carry out the downstream, thereby make shutoff stopper 20 can carry out the shutoff to crossing the liquid hole, ball 21 downstream simultaneously, the pressure of having relieved the centre gripping swing subassembly is fixed.

Furthermore, the circumferential surface of the plugging plug 20 is fixed with a rubber sealing layer 22. the rubber sealing layer 22 increases the sealing performance between the plugging plug 20 and the liquid passing hole, so that the plugging effect of the plugging plug 20 is better.

Further, spacing subassembly includes fixed connection at the screw rod 19 gag lever post 23 on the surface, and the one end that screw rod 19 was kept away from to gag lever post 23 is fixed with the spacing piece, and the inner wall of connector 2 sets up the spacing groove 24 that supplies the stopper to remove, through the setting of gag lever post 23, stopper and spacing groove 24 for the rotation to screw rod 19 has carried out the restriction, and the screw rod 19 of being convenient for can reciprocate.

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 prevent spouting dismantlement pressure gauge valve, includes pipeline (1), its characterized in that: the pipeline comprises a pipeline (1), a connector (2) is embedded and connected to the surface of the pipeline (1), a plugging ring (3) is fixed to the inner wall, close to the bottom of the connector (2), of the connector, a liquid passing hole is formed in the surface of the plugging ring (3), a pressure gauge body (4) is inserted into the connector (2), a mounting ring (5) is fixed to the surface of the pressure gauge body (4), and the mounting ring (5) is fixedly mounted with the connector (2) through a bolt (6);

the cavity has all been seted up to the left and right sides of connector (2) inner wall, and is equipped with in the cavity and is used for carrying out the fixed swing centre gripping subassembly of centre gripping to manometer body (4), the inner wall of connector (2) is fixed with solid fixed ring of cross (7), the inner wall of the solid fixed ring of cross (7) rotates and is connected with an internal thread section of thick bamboo (8), the inner wall threaded connection of an internal thread section of thick bamboo (8) has the removal subassembly, and internal thread section of thick bamboo (8) rotate, drives removal subassembly rebound for swing centre gripping subassembly swings in the cavity, and it is fixed to realize the centre gripping of manometer body (4).

2. A blowout prevention anti-disassembly pressure gauge valve as defined in claim 1, wherein: swing centre gripping subassembly includes dead lever (9) of fixed connection in the cavity, the tip of dead lever (9) articulates there is pendulum rod (10), the top of pendulum rod (10) articulates there is last push rod (11), the end fixing of last push rod (11) has and is used for carrying out fixed arc splint (12) of centre gripping to manometer body (4), and the bottom of pendulum rod (10) articulates there is lower push rod (13), and the looks remote site of two lower push rod (13) all is fixed with wedge ejector pad (14), the surface cover of lower push rod (13) is equipped with spring (15), the both ends of spring (15) respectively with the inner wall of connector (2) and the side fixed connection of wedge ejector pad (14).

3. A blowout prevention anti-disassembly pressure gauge valve as defined in claim 1, wherein: the surface mounting of internal thread section of thick bamboo (8) has worm wheel (16), the inner wall of connector (2) is rotated and is connected with worm (17) with worm wheel (16) meshing and adaptation, and the rotation end of worm (17) runs through the connector (2) outside.

4. A blowout prevention anti-disassembly pressure gauge valve as defined in claim 3, wherein: the side of the connector (2) is fixed with an anti-theft box (18), and the rotating end of the worm (17) is positioned in the anti-theft box (18).

5. A blowout prevention anti-disassembly pressure gauge valve as defined in claim 2, wherein: remove the subassembly and include screw rod (19) of threaded connection in an internal thread section of thick bamboo (8), the bottom mounting of screw rod (19) have with cross liquid hole swing joint's shutoff stopper (20), the top of screw rod (19) is fixed with ball (21) with wedge ejector pad (14) inclined plane butt, and screw rod (19) are through the inner wall sliding connection of spacing subassembly with connector (2).

6. A blowout prevention anti-disassembly pressure gauge valve as defined in claim 5, wherein: the circumferential surfaces of the sealing plugs (20) are all fixed with rubber sealing layers (22).

7. A blowout prevention anti-disassembly pressure gauge valve as defined in claim 5, wherein: spacing subassembly includes gag lever post (23) of fixed connection on screw rod (19) surface, the one end that screw rod (19) were kept away from in gag lever post (23) is fixed with the spacing piece, and the inner wall of connector (2) is seted up and is supplied spacing groove (24) that the spacing piece removed.