CN219263461U

CN219263461U - Positioning guide safety valve

Info

Publication number: CN219263461U
Application number: CN202223215569.9U
Authority: CN
Inventors: 蒋文生
Original assignee: Yancheng Fangding Low Temperature Valve Co ltd
Current assignee: Yancheng Fangding Low Temperature Valve Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-27
Anticipated expiration: 2032-12-01

Abstract

The utility model provides a positioning guide safety valve, and relates to the technical field of pipelines. This location direction relief valve, including the relief valve main part, relief valve main part upper portion is provided with the valve body, the equal fixedly connected with connecting pipe in relief valve main part lower part and outside, two equal fixedly connected with second ring flange of connecting pipe one end, two worker's boards of second ring flange rear side fixedly connected with, this location direction relief valve, when the installation of going up the valve body through the locating lever, need to the hole when avoiding first ring flange to pass through the bolt-up, the simple operation to can also install the nut in the locating lever outside, carry out butt joint clamp to two first ring flanges through rotating two solid fixed rings of nut, thereby improve the leakproofness of first ring flange, avoid when the pressure release, the gap appears in the junction of this relief valve has been improved greatly, and a whole structure is simple, and the functionality is stronger.

Description

Positioning guide safety valve

Technical Field

The utility model relates to a safety valve, in particular to a positioning guide safety valve, and belongs to the technical field of pipelines.

Background

The safety valve is different from other valves and only plays a role of a switch, and more importantly, plays a role of protecting equipment, when the pressure of the system exceeds a specified value, the safety valve is opened, and part of gas (fluid) in the system is discharged into the atmosphere or outside a pipeline, so that the pressure of the system does not exceed an allowable value, and the system is ensured not to have accidents due to the fact that the pressure is too high.

So the patent number is now disclosed: the utility model provides a high temperature and high pressure resistant relief valve, includes valve body and valve gap, and the left side body of valve body is first valve body, the right side body of valve body is the second valve body, and the last port of first valve body and second valve body all is provided with the valve gap, and the valve gap includes valve gap ring flange, connecting strut, gland go-between seat and gland, and valve gap ring flange department lower surface middle part is equipped with the ejector pin sleeve, and the cooperation is inserted in the ejector pin sleeve has the ejector pin, and the lower part welding of ejector pin has the sealing body of semicircle sphere form, and beneficial effect is: according to the utility model, the ejector rods of the first valve body and the second valve body can be respectively regulated to limit pressures with different magnitudes, when the system pressure is smaller, one ejector rod is sprung up to release pressure, and when the system pressure is too large, the ejector rods in the first valve body and the second valve body are sprung up simultaneously to release pressure simultaneously, so that the safety of the pressure of a pipeline system is ensured.

The relief valve in the above patent achieves the relief effect based on the high temperature resistance, but has the following problems:

1. when the valve body is depressurized, the impact force born by the valve body is large, and once the pressure born by the valve is too high to be unloaded in the first time, the valve body can bear the pressure, so that the leakage conditions of different degrees are easy to occur because the pressure is too large, the pressure bearing capacity of the safety valve body is not strong, and the reinforcing structure of the valve is lacked.

2. When the valve body is connected with an external pipeline, the flange plate is subjected to butt joint treatment, and the flange plate cannot be reinforced, so that the flange plate is kept tight.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the problems and provide a positioning guide safety valve, so as to solve the problems that in the related art, when a valve body is depressurized, the impact force born by the valve body is large, and once the pressure born by the valve is too high to be unloaded in the first time, the valve body can bear the pressure, so that the leakage conditions of different degrees are easy to occur because the pressure is too large, the pressure bearing capacity of the safety valve body is not strong, and a valve reinforcing structure is lacked; when the valve body is connected with an external pipeline, the flange plate is subjected to butt joint treatment, and the flange plate cannot be reinforced, so that the flange plate is kept compact.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a location direction relief valve, includes the relief valve main part, relief valve main part upper portion is provided with the valve body, the equal fixedly connected with connecting pipe in relief valve main part lower part and outside, two equal fixedly connected with second ring flange of connecting pipe one end, two I-shaped plates of second ring flange rear side fixedly connected with, I-shaped plate outside is provided with the clamping assembly who is used for fastening, the first ring flange of equal fixedly connected with in the opposite one side of relief valve main part and last valve body, two first ring flange passes through the bolt installation, two equal fixedly connected with solid fixed ring in the first ring flange outside, two be provided with direction subassembly between the solid fixed ring

Preferably, the guide assembly comprises a positioning plate, the positioning plate is fixedly connected to a fixed ring on the outer side of the safety valve main body, and a positioning rod is fixedly connected to the top of the positioning plate.

Preferably, the guide assembly further comprises a connecting plate, the connecting plate is fixedly connected to the outer side of the fixing ring, a sliding groove is formed in the outer side of the connecting plate, the locating rod penetrates through the sliding groove at the top of the connecting plate, a nut is connected to the outer side of the locating rod in a threaded mode, the locating rod is convenient to conduct on the other fixing ring, the effect of locating and guiding the upper valve body is achieved, the tightness between the two first flange plates is improved, and leakage at the butt joint position during pressure relief is avoided.

Preferably, the clamping assembly comprises a first threaded rod, the first threaded rod penetrates through the I-shaped plate and is in threaded connection with the I-shaped plate, and the pushing plate is connected to the first threaded rod in a moving and rotating mode.

Preferably, the clamping assembly further comprises a telescopic rod, and two ends of the telescopic rod are fixedly connected with the I-shaped plate and the pushing plate respectively.

Preferably, the I-shaped plate outside is provided with the second threaded rod, the second threaded rod runs through I-shaped plate and with I-shaped plate threaded connection, second threaded rod bottom rotates and is connected with the arc grip block, the arc grip block laminates with the second ring flange mutually, seals second ring flange and outside connecting pipe department through the arc grip block.

Preferably, the arc grip block outside fixedly connected with slide bar, the slide bar runs through the worker shaped plate and with worker shaped plate sliding connection, arc grip block inner wall fixedly connected with is sealed fills up, sealed the pad is made by rubber material.

The utility model provides a positioning guide safety valve, which has the following beneficial effects:

1. this location direction relief valve, pass another with the locating lever the connecting plate in the solid fixed ring outside is inside to make relief valve main part and last valve body carry out quick location, lead the installation of going up the valve body through the locating lever, when avoiding first ring flange to pass through the bolt installation, need to the hole, the simple operation, and can also install the nut in the locating lever outside, dock two first ring flanges through rotating two solid fixed rings of nut and press from both sides tightly, thereby improve the leakproofness of first ring flange, avoid when the pressure release, the gap appears in the pipe connection department, the compressive capacity of the junction of this relief valve has been improved greatly, and a structure is simple, and is functional stronger.

2. This location direction relief valve, when the connecting pipe carries out the butt joint with outside pipeline, after second ring flange and the external flange through connecting pipe one end, through the first threaded rod that rotates the worker shaped plate, make first threaded rod promote the flitch and the external pipeline contact of rotating the connection, strengthen the compactness of external pipeline butt joint, the rethread rotates the second threaded rod, make the second threaded rod promote the tight laminating external pipeline of arc grip block in second ring flange junction, and then improve sealed effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a gasket according to the present utility model;

FIG. 3 is a schematic view of a clamping assembly according to the present utility model;

fig. 4 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.

In the figure: 1. a safety valve body; 2. an upper valve body; 3. a connecting pipe; 5. a first flange; 6. a fixing ring; 7. a connecting plate; 8. a positioning plate; 9. a positioning rod; 10. a I-shaped plate; 11. a first threaded rod; 12. a pushing plate; 13. a telescopic rod; 14. a sealing gasket; 15. a slide bar; 16. a second threaded rod; 17. an arc-shaped clamping plate; 18. and a second flange.

Detailed Description

The embodiment of the utility model provides a positioning guide safety valve.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, including relief valve main part 1, relief valve main part 1 upper portion is provided with valve body 2, relief valve main part 1 lower part and outside are all fixedly connected with connecting pipe 3, two 3 one end of connecting pipe are all fixedly connected with second ring flange 18, second ring flange 18 rear side fixedly connected with two worker shaped plates 10, the worker shaped plate 10 outside is provided with the clamping assembly that is used for fastening, the relief valve main part 1 and the first ring flange 5 of the equal fixedly connected with of the opposite side of valve body 2 on, two first ring flanges 5 pass through the bolt installation, two first ring flange 5 outside are all fixedly connected with solid fixed ring 6 on, be provided with guiding assembly between two solid fixed ring 6.

The direction subassembly includes locating plate 8, locating plate 8 fixedly connected with fixed ring 6 in the relief valve main part 1 outside, locating plate 8 top fixedly connected with locating lever 9, the direction subassembly still includes connecting plate 7, connecting plate 7 fixedly connected with is in another fixed ring 6 outsides, the spout has been seted up in the connecting plate 7 outside, locating lever 9 passes connecting plate 7 top spout, locating lever 9 outside threaded connection has the nut, be convenient for go on another fixed ring 6 through locating lever 9, thereby reach the effect to last valve body 2 location direction, improve the compactness between two first ring flanges 5, leak appears in butt joint department when avoiding the pressure release.

Specifically, when the first flange plate 5 of the opposite side of relief valve main part 1 and last valve body 2 carries out butt joint installation, fixedly connected with locating plate 8 in one of them solid fixed ring 6 outside, at locating plate 8 top fixedly connected with locating lever 9, pass the connecting plate 7 inside in another solid fixed ring 6 outside with locating lever 9, thereby make relief valve main part 1 and last valve body 2 carry out quick location, the installation of going up valve body 2 through locating lever 9 is led, when avoiding first flange plate 5 to pass through the bolt installation, need to the hole, the simple operation, and can also install the nut in the locating lever 9 outside, carry out butt joint clamp to two first flange plates 5 through rotating nut two solid fixed rings 6, thereby improve the leakproofness of first flange plate 5, avoid when the pressure release, the gap appears in the pipeline junction, the compressive capacity of the junction of this relief valve has been improved greatly, and a structure is simple, and is stronger.

Referring to fig. 1, 2, 3 and 4 again, the clamping assembly comprises a first threaded rod 11, the first threaded rod 11 penetrates through the working plate 10 and is in threaded connection with the working plate 10, the first threaded rod 11 moves and rotates to be connected with a pushing plate 12, the clamping assembly further comprises a telescopic rod 13, two ends of the telescopic rod 13 are fixedly connected with the working plate 10 and the pushing plate 12 respectively, a second threaded rod 16 is arranged on the outer side of the working plate 10, the second threaded rod 16 penetrates through the working plate 10 and is in threaded connection with the working plate 10, an arc-shaped clamping plate 17 is rotationally connected to the bottom of the second threaded rod 16, the arc-shaped clamping plate 17 is attached to a second flange 18, and the second flange 18 is sealed with an external connecting pipe through the arc-shaped clamping plate 17.

The outside fixedly connected with slide bar 15 of arc grip block 17, slide bar 15 runs through worker's board 10 and with worker's board 10 sliding connection, arc grip block 17 inner wall fixedly connected with is sealed to be filled up 14, and is sealed to fill up 14 and be made by rubber material.

Specifically, when the connecting pipe 3 is in butt joint with an external pipeline, after the second flange 18 at one end of the connecting pipe 3 is in butt joint with the external flange, the first threaded rod 11 of the H-shaped plate 10 is rotated, so that the first threaded rod 11 pushes the pushing plate 12 in rotary connection to be in contact with the external pipeline, and the butt joint tightness of the external pipeline is enhanced.

And then the second threaded rod 16 is rotated, so that the second threaded rod 16 pushes the arc-shaped clamping plate 17 to be closely attached to the joint of the second flange plate 18, and the sealing effect is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a location direction relief valve, includes relief valve main part (1), relief valve main part (1) upper portion is provided with valve body (2), its characterized in that: the safety valve comprises a safety valve body (1), a connecting pipe (3) fixedly connected to the lower portion and the outer side of the safety valve body, a second flange plate (18) fixedly connected to one end of the connecting pipe (3), two I-shaped plates (10) fixedly connected to the rear side of the second flange plate (18), clamping assemblies used for fastening are arranged on the outer sides of the I-shaped plates (10), first flange plates (5) are fixedly connected to opposite sides of the safety valve body (1) and an upper valve body (2), two first flange plates (5) are mounted through bolts, a fixed ring (6) is fixedly connected to the outer sides of the two first flange plates (5), and a guide assembly is arranged between the fixed rings (6).

2. A positioning pilot operated safety valve as set forth in claim 1 wherein: the guide assembly comprises a positioning plate (8), the positioning plate (8) is fixedly connected to a fixed ring (6) on the outer side of the safety valve main body (1), and a positioning rod (9) is fixedly connected to the top of the positioning plate (8).

3. A positioning pilot operated safety valve as set forth in claim 2 wherein: the guide assembly further comprises a connecting plate (7), the connecting plate (7) is fixedly connected to the outer side of the other fixed ring (6), a sliding groove is formed in the outer side of the connecting plate (7), the locating rod (9) penetrates through the top sliding groove of the connecting plate (7), and a nut is connected to the outer side of the locating rod (9) in a threaded mode.

4. A positioning pilot operated safety valve as set forth in claim 1 wherein: the clamping assembly comprises a first threaded rod (11), the first threaded rod (11) penetrates through the I-shaped plate (10) and is in threaded connection with the I-shaped plate (10), and the first threaded rod (11) is rotationally connected with a pushing plate (12).

5. A positioning pilot operated safety valve as set forth in claim 1 wherein: the clamping assembly further comprises a telescopic rod (13), and two ends of the telescopic rod (13) are fixedly connected with the I-shaped plate (10) and the pushing plate (12) respectively.

6. A positioning pilot operated safety valve as set forth in claim 1 wherein: a second threaded rod (16) is arranged on the outer side of the I-shaped plate (10), the second threaded rod (16) penetrates through the I-shaped plate (10) and is in threaded connection with the I-shaped plate (10), the bottom of the second threaded rod (16) is rotationally connected with an arc-shaped clamping plate (17), and the arc-shaped clamping plate (17) is attached to the second flange plate (18).

7. A positioning pilot operated safety valve as set forth in claim 6 wherein: the novel sealing device is characterized in that a sliding rod (15) is fixedly connected to the outer side of the arc-shaped clamping plate (17), the sliding rod (15) penetrates through the I-shaped plate (10) and is in sliding connection with the I-shaped plate (10), a sealing gasket (14) is fixedly connected to the inner wall of the arc-shaped clamping plate (17), and the sealing gasket (14) is made of rubber materials.