CN110939763A - Pressure control valve convenient to in time troubleshooting - Google Patents
Pressure control valve convenient to in time troubleshooting Download PDFInfo
- Publication number
- CN110939763A CN110939763A CN201911368945.8A CN201911368945A CN110939763A CN 110939763 A CN110939763 A CN 110939763A CN 201911368945 A CN201911368945 A CN 201911368945A CN 110939763 A CN110939763 A CN 110939763A
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- block
- valve body
- control
- pressure
- air inlet
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- 238000013024 troubleshooting Methods 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0433—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with vibration preventing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0486—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with mechanical actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a pressure control valve convenient for timely troubleshooting, which comprises a valve body, a control block, an air inlet end, a pressure relief end and an air outlet end, wherein an upper end cover is installed above the valve body, a limiting groove is formed in the top surface of the valve body, a limiting bolt is connected inside the limiting groove, the lower end of the upper end cover is connected with the inside of a top block, the outer side of the upper surface of a connecting block is connected with the lower end of a second spring in a welding mode, a connecting column is installed on the inner side of the second spring, the upper end of the second spring is connected with the lower surface of a fixing plate in a welding mode, a control rod is installed inside the lower end of the connecting block, and the inside of the connecting. This pressure control valve convenient to in time troubleshooting is convenient for in time troubleshooting, and under the impact of relapse, can not cause the damage of pressure control valve internals to the regulation of the pressure range of being convenient for and the rigidity after the regulation, and easy control when the pressure release.
Description
Technical Field
The invention relates to the technical field of pressure control valves, in particular to a pressure control valve convenient for timely troubleshooting.
Background
After the pressure control valve pushes the piston under the pressure of gas and discharges the gas, the piston can be rapidly pushed to the position of the limiting part along with the reduction of the gas pressure, but the existing pressure control valve still has certain defects, such as:
1. the existing pressure control valve is not convenient to remove faults in time, and the damage of the pressure control valve is easy to cause, so that the service life of the pressure control valve is influenced;
2. the general pressure control valve does not have a buffer protection function, and internal parts of the pressure control valve are easily damaged under repeated impact;
3. the conventional pressure control valve is inconvenient in adjusting the pressure range and fixing the adjusted position, and is not easy to control when releasing pressure.
The invention aims to provide a pressure control valve convenient for timely troubleshooting, so as to solve the problem of the pressure control valve in the market in the background art.
Disclosure of Invention
The present invention is directed to a pressure control valve convenient for timely troubleshooting, so as to solve the problems that most of the pressure control valves proposed in the above background art are inconvenient to timely troubleshoot, easily cause damage to internal components of the pressure control valve under repeated impacts, are inconvenient to adjust a pressure range and fix an adjusted position, and are not easy to control during pressure relief.
In order to achieve the purpose, the invention provides the following technical scheme: a pressure control valve convenient for timely troubleshooting comprises a valve body, a control block, an air inlet end, a pressure relief end and an air outlet end, wherein an upper end cover is installed above the valve body, a limiting groove is formed in the top surface of the valve body, a limiting bolt is connected inside the limiting groove, the lower end of the upper end cover is connected with the inside of a top block, the lower end of the top block is connected with the middle of the upper end of the connecting block through a first spring, the outer side of the upper surface of the connecting block is connected with the lower end of a second spring in a welding mode, a connecting column is installed on the inner side of the second spring, the upper end of the second spring is connected with the lower surface of a fixing plate in a welding mode, a control rod is installed inside the lower end of the connecting block;
the upper surface of the control block is welded with the lower end of the control rod, a fixed block is arranged below the control block, the outer side of the fixed block is welded with the inner surface of the valve body, a first sealing ring and a second sealing ring are arranged at the contact position of the control block and the fixed block, the outer surface of the control block is fixedly connected with the first sealing ring, and the outer surface of the fixed block is fixedly connected with the second sealing ring;
the air inlet end is arranged at the lower end of the valve body, a transverse plate is arranged above the air inlet end, and a limiting ring is connected to the outer side of the contact position of the air inlet end and the valve body;
the pressure relief end is arranged on the left side of the lower end of the valve body, the outer side of the pressure relief end is connected with a control piece, the lower end of the pressure relief end is provided with a first pressure relief hole, and the lower end of the control piece is provided with a second pressure relief hole;
the end setting of giving vent to anger is on the right side of valve body, and the right-hand member of the end of giving vent to anger installs the connecting cover, and the intermediate position fixedly connected with filter of connecting cover.
Preferably, the lower end of the upper end cover is connected with the valve body in a threaded manner, the lower end of the upper end cover and the top block form a rotating structure, and the top block is of a sliding structure in the valve body.
Preferably, the limiting groove is distributed in an equal angle mode relative to the center of the upper end of the valve body, and the limiting bolt is in threaded connection with the upper end cover and the limiting groove.
Preferably, the fixed plate is of an annular structure, the connecting columns are distributed in an annular array mode about the center of the fixed plate, the connecting columns are of a sliding structure in the fixed plate, and the lower ends of the connecting columns are fixedly connected with the connecting block.
Preferably, the shape of the lower surface of the control block is matched with the shape of the upper surface of the fixed block, and a telescopic structure is formed between the control block and the connecting block.
Preferably, the outer surface of the air inlet end is in a thread-like structure, and the outer diameter of the air inlet end decreases from top to bottom.
Preferably, the inner diameter of the upper end of the air inlet end is equal to the outer diameter of the lower end of the valve body, the air inlet end is in threaded connection with the valve body, and the limiting ring is in threaded connection with the valve body and the air inlet end.
Preferably, the surface of the transverse plate is of a honeycomb structure, and the upper surface and the lower surface of the transverse plate are of arc structures.
Preferably, the first pressure relief hole and the second pressure relief hole are respectively arranged corresponding to the pressure relief end and the control piece, and the control piece is in threaded connection with the outer surface of the pressure relief end.
Preferably, the connecting cover is of a detachable structure at the air outlet end, and the inner surface of the filter plate in the middle of the connecting cover is of an arc-shaped structure.
Compared with the prior art, the invention has the beneficial effects that: the pressure control valve convenient for timely troubleshooting is convenient for timely troubleshooting, can not cause the damage of internal parts of the pressure control valve under repeated impact, is convenient for the adjustment of a pressure range and the position fixation after the adjustment, and is easy to control during pressure relief;
1. the cross plate is arranged at the joint of the air inlet end and the valve body, and the surface of the cross plate is of a honeycomb structure, so that air entering from the air inlet end can be filtered, accidents caused by blockage of the valve body due to other substances in the air can be prevented, and when the valve body breaks down, internal faults of the valve body can be eliminated by detaching the air inlet end and the valve body, so that the valve body is prevented from being damaged due to continuous work;
2. the control block is connected with the connecting block through the control spring, so that when the control block repeatedly impacts and resets, the control block can be buffered through the action of the control spring, the first spring is prevented from being damaged due to repeated impact, and the first spring is buffered again through the second spring;
3. the upper end cover is rotated to adjust the upper position and the lower position of the top block, so that the compressed degree of the first spring is adjusted, the whole pressure bearing range of the pressure control valve is adjusted, the upper end cover is prevented from accidentally rotating under the action of the limiting bolt after the adjustment is finished, and the safety is higher;
4. through be provided with first pressure release hole and second pressure release hole on pressure release end and control respectively, consequently when the pressure release, the accessible rotates the control for first pressure release hole and second pressure release are aimed at and are carried out the pressure release, compare with traditional pressure release mode, and the impact force is too big and cause the damage of pressure release end when this mode can prevent the pressure release to and have the effect of protection to the staff.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the connection structure of the connection block and the fixing plate according to the present invention;
FIG. 3 is a schematic view of the connection structure between the valve body and the air inlet end according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at B-B according to the present invention;
FIG. 5 is a schematic top view of the valve body of the present invention;
FIG. 6 is a schematic cross-sectional view of a pressure relief end connected to a control member according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. a valve body; 2. an upper end cover; 3. a limiting groove; 4. a limit bolt; 5. a top block; 6. a first spring; 7. connecting blocks; 8. a second spring; 9. a fixing plate; 10. connecting columns; 11. a control lever; 12. a control spring; 13. a control block; 14. a fixed block; 15. a first seal ring; 16. a second seal ring; 17. an air inlet end; 18. a transverse plate; 19. a limiting ring; 20. a pressure relief end; 21. a control member; 22. a first pressure relief vent; 23. a second pressure relief vent; 24. an air outlet end; 25. a connecting cover; 26. a filter plate.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a pressure control valve convenient for timely troubleshooting comprises a valve body 1, an upper end cover 2, a limiting groove 3, a limiting bolt 4, a top block 5, a first spring 6, a connecting block 7, a second spring 8, a fixing plate 9, a connecting column 10, a control rod 11, a control spring 12, a control block 13, a fixing block 14, a first sealing ring 15, a second sealing ring 16, an air inlet end 17, a transverse plate 18, a limiting ring 19, a pressure relief end 20, a control piece 21, a first pressure relief hole 22, a second pressure relief hole 23, an air outlet end 24, a connecting cover 25 and a filter plate 26, wherein the upper end cover 2 is installed above the valve body 1, the limiting groove 3 is arranged on the top surface of the valve body 1, the limiting bolt 4 is connected inside the limiting groove 3, the lower end of the upper end cover 2 is connected with the inside of the top block 5, the lower end of the top block 5 is connected with the middle of the upper end of the connecting block 7 through the first spring 6, the outer side of the upper, a connecting column 10 is arranged on the inner side of the second spring 8, the upper end of the second spring 8 is welded with the lower surface of the fixing plate 9, a control rod 11 is arranged in the lower end of the connecting block 7, and a control spring 12 is connected in the connecting block 7 in a penetrating manner;
the upper surface of the control block 13 is connected with the lower end of the control rod 11 in a welding mode, a fixed block 14 is installed below the control block 13, the outer side of the fixed block 14 is connected with the inner surface of the valve body 1 in a welding mode, a first sealing ring 15 and a second sealing ring 16 are arranged at the contact position of the control block 13 and the fixed block 14, the outer surface of the control block 13 is fixedly connected with the first sealing ring 15, and the outer surface of the fixed block 14 is fixedly connected with the second sealing ring 16;
the air inlet end 17 is arranged at the lower end of the valve body 1, a transverse plate 18 is arranged above the air inlet end 17, and a limiting ring 19 is connected to the outer side of the contact position of the air inlet end 17 and the valve body 1;
the pressure relief end 20 is arranged on the left side of the lower end of the valve body 1, the control piece 21 is connected to the outer side of the pressure relief end 20, the first pressure relief hole 22 is formed in the lower end of the pressure relief end 20, and the second pressure relief hole 23 is formed in the lower end of the control piece 21;
the end 24 of giving vent to anger sets up the right side at valve body 1, and the right-hand member of the end 24 of giving vent to anger installs connecting cover 25, and the intermediate position fixedly connected with filter 26 of connecting cover 25.
As shown in fig. 1, the lower end of the upper end cover 2 is connected with the valve body 1 in a threaded manner, the lower end of the upper end cover 2 and the top block 5 form a rotating structure, and the top block 5 has a sliding structure at the upper end inside the valve body 1, so that the position of the top block 5 can be conveniently adjusted up and down by rotating the upper end cover 2;
for example, in fig. 1, the shape of the lower surface of the control block 13 is matched with the shape of the upper surface of the fixed block 14, and a telescopic structure is formed between the control block 13 and the connecting block 7, so that the contact area between the control block 13 and the fixed block 14 is increased, the sealing effect between the control block 13 and the fixed block 14 is enhanced, the outer surface of the air inlet end 17 is in a thread structure, the outer diameter size of the air inlet end 17 is sequentially reduced from top to bottom, and the air inlet end 17 is conveniently connected with air outlets of devices with different diameters;
as shown in fig. 1, the connecting cover 25 is detachable from the air outlet end 24, and the inner surface of the filter plate 26 at the middle position of the connecting cover 25 is of an arc structure, so that external impurities can be prevented from entering the air outlet end 24 to cause blockage under the action of the filter plate 26;
as shown in fig. 2, the fixing plate 9 is of an annular structure, the connecting columns 10 are distributed in an annular array with respect to the center of the fixing plate 9, the connecting columns 10 are of a sliding structure inside the fixing plate 9, the lower ends of the connecting columns 10 are fixedly connected with the connecting block 7, and the connecting columns 10 can limit the position of the connecting block 7 in the up-and-down movement to prevent the connecting block 7 from inclining;
as shown in fig. 3, the inner diameter of the upper end of the air inlet 17 is equal to the outer diameter of the lower end of the valve body 1, the air inlet 17 is connected with the valve body 1 in a threaded manner, and the stop collar 19 is connected with the valve body 1 and the air inlet 17 in a threaded manner, so that the air inlet 17 is conveniently detached, thereby facilitating timely discharge of faults inside the valve body 1, the surface of the transverse plate 18 is in a honeycomb structure, and the upper surface and the lower surface of the transverse plate 18 are both in an arc structure, so that impact force applied to the transverse plate 18 can be dispersed through the arc structure of the transverse plate 18, and the transverse plate 18 is prevented from being damaged due to local impact;
as shown in fig. 5, the limiting groove 3 is distributed at equal angles with respect to the center of the upper end of the valve body 1, and the connecting modes of the limiting bolt 4, the upper end cover 2 and the limiting groove 3 are both in threaded connection, so that the positions of the upper end cover 2 and the valve body 1 can be relatively fixed under the action of the limiting bolt 4, and the upper end cover 2 is prevented from rotating accidentally;
as shown in fig. 6, the first pressure relief hole 22 and the second pressure relief hole 23 are respectively disposed corresponding to the pressure relief end 20 and the control member 21, and the control member 21 is screwed on the outer surface of the pressure relief end 20, so that the alignment of the first pressure relief hole 22 and the second pressure relief hole 23 can be adjusted.
The working principle is as follows: when the pressure control valve convenient for timely troubleshooting is used, firstly, the pressure control valve is assembled according to the figure 1, then, the air outlet of the corresponding equipment is in threaded connection with the air inlet end 17, and the air inlet end 17 is suitable for equipment with different air outlet sizes as the outer diameter of the air inlet end 17 is reduced from top to bottom;
when the internal air pressure of the valve body 1 is in a normal range, the control block 13 is tightly attached to the fixed block 14, the sealing performance between the control block 13 and the fixed block 14 is enhanced through the action of the first sealing ring 15 and the second sealing ring 16, when the internal air pressure of the valve body 1 is too high, the lower end of the control block 13 is pushed under the action of the air pressure, so that the control block 13 moves upwards to be disconnected from the fixed block 14, the connecting block 7 moves upwards and drives the connecting column 10 to slide in the fixed plate 9, the first spring 6, the second spring 8 and the control spring 12 are all compressed at the moment, air penetrates through a gap between the control block 13 and the fixed block 14 and is exhausted through the air outlet end 24, when the internal air pressure of the valve body 1 returns to the normal range, the control block 13 restores to the original position under the action of the first spring 6, the second spring 8 and the control spring 12, the control spring 12 can buffer the control block 13, and the second spring 8 can buffer the whole of the control block 13 and the connecting block 7, so that the first spring 6 is protected, and the first spring 6 is prevented from being damaged due to repeated impact;
when the pressure range of the whole control valve needs to be adjusted, the limiting bolt 4 is firstly disassembled, then the upper end cover 2 is rotated to adjust the upper position and the lower position of the top block 5, and after the adjustment is finished, the limiting bolt 4 penetrates through a hole in the upper end cover 2 and is in threaded connection with the limiting groove 3 in the corresponding position, the position of the upper end cover 2 is limited, and the upper end cover 2 is prevented from rotating accidentally;
when the pressure release is needed, the control member 21 is rotated clockwise, the second pressure release hole 23 in the control member 21 is aligned with the first pressure release hole 22 in the pressure release end 20, at the moment, the gas in the valve body 1 is discharged, the gas pressure in the valve body 1 is reduced, the gas discharge direction is perpendicular to the transverse central axis of the pressure release end 20, therefore, when the pressure release is prevented, the impact force of the gas can injure workers, and the impact force of the gas can be prevented from damaging the pressure release end 20, and the working principle of the pressure control valve convenient for timely removing faults is realized.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a pressure control valve convenient to in time troubleshooting, includes valve body (1), control block (13), inlet end (17), pressure release end (20) and give vent to anger end (24), its characterized in that: an upper end cover (2) is installed above the valve body (1), a limiting groove (3) is formed in the top surface of the valve body (1), a limiting bolt (4) is connected inside the limiting groove (3), the lower end of the upper end cover (2) is connected with the inside of a top block (5), the lower end of the top block (5) is connected with the middle of the upper end of a connecting block (7) through a first spring (6), the outer side of the upper surface of the connecting block (7) is connected with the lower end of a second spring (8) in a welding mode, a connecting column (10) is installed on the inner side of the second spring (8), the upper end of the second spring (8) is connected with the lower surface of a fixing plate (9) in a welding mode, a control rod (11) is installed inside the lower end of the connecting block (7), and a control spring (12) penetrates through the inside of the;
the upper surface of the control block (13) is connected with the lower end of the control rod (11) in a welding mode, a fixed block (14) is installed below the control block (13), the outer side of the fixed block (14) is connected with the inner surface of the valve body (1) in a welding mode, a first sealing ring (15) and a second sealing ring (16) are arranged at the contact position of the control block (13) and the fixed block (14), the outer surface of the control block (13) is fixedly connected with the first sealing ring (15), and the outer surface of the fixed block (14) is fixedly connected with the second sealing ring (16);
the air inlet end (17) is arranged at the lower end of the valve body (1), a transverse plate (18) is arranged above the air inlet end (17), and a limiting ring (19) is connected to the outer side of the contact position of the air inlet end (17) and the valve body (1);
the pressure relief end (20) is arranged on the left side of the lower end of the valve body (1), the outer side of the pressure relief end (20) is connected with a control piece (21), a first pressure relief hole (22) is formed in the lower end of the pressure relief end (20), and a second pressure relief hole (23) is formed in the lower end of the control piece (21);
the valve is characterized in that the air outlet end (24) is arranged on the right side of the valve body (1), the right end of the air outlet end (24) is provided with a connecting cover (25), and the middle position of the connecting cover (25) is fixedly connected with a filter plate (26).
2. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the lower end of the upper end cover (2) is connected with the valve body (1) in a threaded manner, the lower end of the upper end cover (2) and the top block (5) form a rotating structure, and the top block (5) is of a sliding structure at the upper end of the interior of the valve body (1).
3. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the limiting groove (3) is distributed in an equal angle mode about the center of the upper end of the valve body (1), and the limiting bolt (4) is in threaded connection with the upper end cover (2) and the limiting groove (3).
4. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the fixed plate (9) is of an annular structure, the connecting columns (10) are distributed in an annular array mode about the center of the fixed plate (9), the connecting columns (10) are of a sliding structure in the fixed plate (9), and the lower ends of the connecting columns (10) are fixedly connected with the connecting block (7).
5. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the shape of the lower surface of the control block (13) is matched with the shape of the upper surface of the fixing block (14), and a telescopic structure is formed between the control block (13) and the connecting block (7).
6. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the outer surface of the air inlet end (17) is in a thread-shaped structure, and the outer diameter size of the air inlet end (17) is reduced from top to bottom in sequence.
7. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the inner diameter of the upper end of the air inlet end (17) is equal to the outer diameter of the lower end of the valve body (1), the air inlet end (17) is connected with the valve body (1) in a threaded mode, and the limiting ring (19) is connected with the valve body (1) and the air inlet end (17) in a threaded mode.
8. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the surface of the transverse plate (18) is of a honeycomb structure, and the upper surface and the lower surface of the transverse plate (18) are of arc structures.
9. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the first pressure relief hole (22) and the second pressure relief hole (23) are respectively arranged corresponding to the pressure relief end (20) and the control piece (21), and the control piece (21) is in threaded connection with the outer surface of the pressure relief end (20).
10. A pressure control valve to facilitate timely troubleshooting according to claim 1 wherein: the connecting cover (25) is of a detachable structure at the air outlet end (24), and the inner surface of the filter plate (26) in the middle of the connecting cover (25) is of an arc-shaped structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911368945.8A CN110939763B (en) | 2019-12-26 | 2019-12-26 | Pressure control valve convenient to in time troubleshooting |
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| CN201911368945.8A CN110939763B (en) | 2019-12-26 | 2019-12-26 | Pressure control valve convenient to in time troubleshooting |
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| CN110939763A true CN110939763A (en) | 2020-03-31 |
| CN110939763B CN110939763B (en) | 2021-07-27 |
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|---|---|---|---|---|
| US3236256A (en) * | 1963-01-28 | 1966-02-22 | Bendix Westinghouse Automotive | Pressure protection valve |
| SU842321A1 (en) * | 1978-05-12 | 1981-06-30 | Войсковая Часть 11284 | Tressure governer |
| JPH1172172A (en) * | 1997-06-20 | 1999-03-16 | Hitachi Constr Mach Co Ltd | Balance piston type relief valve |
| CN108644432A (en) * | 2018-06-21 | 2018-10-12 | 湖州贝德流体设备有限公司 | A kind of check device of check valve |
| CN108730575A (en) * | 2018-05-30 | 2018-11-02 | 华东矿用设备有限公司 | A kind of small size two-way valve |
| CN108758009A (en) * | 2018-05-30 | 2018-11-06 | 华东矿用设备有限公司 | A kind of pressure adjustable type pressure-control valve |
| CN208331361U (en) * | 2018-06-26 | 2019-01-04 | 宫兆军 | A kind of petroleum pipeline explosion relief valve |
| CN110260001A (en) * | 2019-07-08 | 2019-09-20 | 宁波国创机车装备有限公司 | A kind of spring loaded check valve |
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2019
- 2019-12-26 CN CN201911368945.8A patent/CN110939763B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3236256A (en) * | 1963-01-28 | 1966-02-22 | Bendix Westinghouse Automotive | Pressure protection valve |
| SU842321A1 (en) * | 1978-05-12 | 1981-06-30 | Войсковая Часть 11284 | Tressure governer |
| JPH1172172A (en) * | 1997-06-20 | 1999-03-16 | Hitachi Constr Mach Co Ltd | Balance piston type relief valve |
| CN108730575A (en) * | 2018-05-30 | 2018-11-02 | 华东矿用设备有限公司 | A kind of small size two-way valve |
| CN108758009A (en) * | 2018-05-30 | 2018-11-06 | 华东矿用设备有限公司 | A kind of pressure adjustable type pressure-control valve |
| CN108644432A (en) * | 2018-06-21 | 2018-10-12 | 湖州贝德流体设备有限公司 | A kind of check device of check valve |
| CN208331361U (en) * | 2018-06-26 | 2019-01-04 | 宫兆军 | A kind of petroleum pipeline explosion relief valve |
| CN110260001A (en) * | 2019-07-08 | 2019-09-20 | 宁波国创机车装备有限公司 | A kind of spring loaded check valve |
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| Publication number | Publication date |
|---|---|
| CN110939763B (en) | 2021-07-27 |
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Effective date of registration: 20210701 Address after: 199 Huashan Road, Xincheng street, Ruian City, Wenzhou City, Zhejiang Province Applicant after: RUIAN HAIDEX VEHICLE PARTS Co.,Ltd. Address before: No. 336, qiankangzhuang village, Haitong Township, Puyang County, Puyang City, Henan Province 457182 Applicant before: Zhang Yajun |
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