CN107725845A - A kind of decompression type regulating valve of high pressure relief device - Google Patents
A kind of decompression type regulating valve of high pressure relief device Download PDFInfo
- Publication number
- CN107725845A CN107725845A CN201711026700.8A CN201711026700A CN107725845A CN 107725845 A CN107725845 A CN 107725845A CN 201711026700 A CN201711026700 A CN 201711026700A CN 107725845 A CN107725845 A CN 107725845A
- Authority
- CN
- China
- Prior art keywords
- valve seat
- cavity
- valve
- outlet
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- F16K17/048—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 combined with other safety valves, or with pressure control devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention discloses a kind of decompression type regulating valve of high pressure relief device, including the first valve seat, the second valve seat, the 3rd valve seat, the 4th valve seat, the first import is provided between first valve seat and the second valve seat, first valve seat is U-type groove structure, one end of first valve seat is relative with one end of the second valve seat, one end of second valve seat and one end of the 3rd valve seat are in be oppositely arranged, first outlet is provided between one end of 3rd valve seat and one end of the first valve seat, first import shifts to install with first outlet, and the first valve seat, the second valve seat, the 3rd valve seat surround a cavity.The technical program is by setting the first outlet formed between the first import, the second valve seat and the 3rd valve seat that the first valve seat and the second valve seat are formed, first import shifts to install with first outlet, and the movement of tapering point is driven by pressure regulating screw, control the opening of second outlet, so as to adjust the pressure flowed into cavity, reach and accommodation is carried out according to fluid flow size.
Description
Technical field
The present invention relates to gas technology field, and in particular to a kind of decompression type regulating valve of high pressure relief device.
Background technology
Pressure reducer, because the gas pressure in the bottle is higher, and gas welding and gas cutting and pressure needed for point of use are smaller, so needing
The gas for the elevated pressures being stored in gas cylinder is reduced to low-pressure gas with pressure reducer, and should ensure that required operating pressure
Stable state is kept from beginning to end.In a word, pressure reducer is that gases at high pressure are reduced into low-pressure gas and keep the pressure of output gas
The constant adjusting means with stability of flow.And existing valve can not carry out adaptability tune according to the adjustment of fluid flow size
It is whole, needs can not be met.
Based on this, a kind of decompression type regulating valve of high pressure relief device has been researched and developed.
The content of the invention
The present invention provides a kind of decompression type regulating valve of high pressure relief device, the formed by the first valve seat and the second valve seat
The first outlet formed between one import, the second valve seat and the 3rd valve seat, the first import shifts to install with first outlet, and passes through
Pressure regulating screw drives the movement of tapering point, controls the opening of second outlet, so as to adjust the pressure flowed into cavity, reaches basis
Fluid flow size carries out accommodation.
The present invention is achieved through the following technical solutions
A kind of decompression type regulating valve of high pressure relief device, including the first valve seat, the second valve seat, the 3rd valve seat, the 4th valve seat,
The first import is provided between first valve seat and the second valve seat, the first valve seat is U-type groove structure, one end of the first valve seat and the second valve
One end of seat is relative, and one end of one end of the second valve seat and the 3rd valve seat is in be oppositely arranged, one end and the first valve of the 3rd valve seat
First outlet is provided between one end of seat, the first import shifts to install with first outlet, the first valve seat, the second valve seat, the 3rd valve
Seat surrounds a cavity, and it is in the first cavity, the second cavity being oppositely arranged to be provided with cavity, the first cavity and the second cavity it
Between be provided with the first pressure spring, the cavity formed between the second valve seat and the 3rd valve seat becomes narrow gradually, and width keeps constant, the
Pressure regulating screw is additionally provided with the cavity of four valve seats and the 3rd valve seat, second outlet is provided between the 3rd valve seat and the 4th valve seat, the
Cavity between four valve seats and the second valve seat is additionally provided with the second pressure spring, and pressure regulating screw is connected with the second pressure spring, and second
Pressure spring is connected with tapering point, and pressure regulating screw drives the second pressure spring, and the tension belt of the second pressure spring moves tapering point and moved
The opening and closing of dynamic adjustment second outlet.
Preferably, the first pressure spring and the second pressure spring are identical structure.
Preferably, the cavity width that first valve seat and the second valve seat are formed is less than the width of the first valve seat.
Preferably, first cavity, the second cavity are identical structure, and the first cavity, the second cavity encloses lower end has
The U-type groove structure of opening..
The present invention compared with prior art, has the following advantages and advantages：
The technical program is by setting the first import, the second valve seat and the 3rd valve seat that the first valve seat and the second valve seat are formed
Between the first outlet that is formed, the first import is shifted to install with first outlet, and the movement of tapering point is driven by pressure regulating screw,
The opening of second outlet is controlled, so as to adjust the pressure flowed into cavity, reaches and adaptability tune is carried out according to fluid flow size
It is whole.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Wherein：1-the four valve seat, the 2-the first valve seat, 3-pressure regulating screw, the 4-the second pressure spring, the 5-the three valve seat,
6-the second valve seat, the 7-the first cavity, 8-tapering point, the 9-the second cavity, the 10-the first pressure spring, the 11-the second valve seat.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment, the present invention is made
Further to describe in detail, exemplary embodiment of the invention and its explanation are only used for explaining the present invention, are not intended as to this
The restriction of invention.
Embodiment 1：
As shown in figure 1, a kind of decompression type regulating valve of high pressure relief device, including the first valve seat 2, the second valve seat 6, the 3rd valve
The 5, the 4th valve seat 1 of seat, is provided with the first import between the first valve seat 2 and the second valve seat 6, the first valve seat 2 is U-type groove structure, and first
One end of valve seat 2 is relative with one end of the second valve seat 6, and one end of the second valve seat 2 is in be oppositely arranged with one end of the 3rd valve seat 5,
First outlet is provided between one end of 3rd valve seat 5 and one end of the first valve seat 2, the first import shifts to install with first outlet,
First valve seat 2, the second valve seat 6, the 3rd valve seat 5 surround a cavity, be provided with cavity in the first cavity 7 being oppositely arranged,
Second cavity 9, is provided with the first pressure spring 10 between the first cavity 7 and the second cavity 9, the second valve seat 11 and the 3rd valve seat 5 it
Between the cavity that is formed become narrow gradually, and width keeps constant, and pressure regulation spiral shell is additionally provided with the cavity of the 4th valve seat 1 and the 3rd valve seat 5
Nail 3, is provided with second outlet, the cavity between the 4th valve seat 1 and the second valve seat 11 is also set between the 3rd valve seat 5 and the 4th valve seat 1
There is the second pressure spring 4, pressure regulating screw 3 is connected with the second pressure spring 4, and the second pressure spring 4 is connected with tapering point 8, pressure regulation
Screw 3 drives the second pressure spring 4, the tension belt of the second pressure spring 4 move the movement adjustment second outlet of tapering point 8 unlatching and
Close.
Wherein, the first pressure spring 10 and the second pressure spring 4 are identical structure.
Wherein, the cavity width that the valve seat 11 of the first valve seat 2 and second is formed is less than the width of the first valve seat 2.
Wherein, first cavity 7, the second cavity 9 are identical structure, and the first cavity 7, the second cavity 9 enclose lower end
There is the U-type groove structure of opening.
In the present embodiment, the first import between the first valve seat 2, the second valve seat 6 enters passage, the first valve as fluid
The first outlet formed between the valve seat 5 of seat 2 and the 3rd, the first import shift to install with first outlet, i.e. the first import is located at valve
The upper end of body, first outlet are located at the lower end of valve body, and the first import is shifted to install with first outlet, and fluid is entered by the first import
After entering cavity, now pressure regulating screw 3 drive the second pressure spring 4 tapering point 8 second outlet is closed, now the first valve seat,
Pressure increase in the cavity formed between second valve seat, the 3rd valve seat, fluid moves up, and in order to alleviate the pressure in cavity, can lead to
Crossing pressure regulating screw 3 drives the second pressure spring 4 to open second outlet, can alleviate Fluid pressure.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (4)
- A kind of 1. decompression type regulating valve of high pressure relief device, it is characterised in that：Including the first valve seat (2), the second valve seat (6), Three valve seats (5), the 4th valve seat (1), are provided with the first import between the first valve seat (2) and the second valve seat (6), the first valve seat (2) is U Type groove structure, one end of the first valve seat (2) is relative with one end of the second valve seat (6), one end and the 3rd valve seat of the second valve seat (2) (5) one end is provided with first outlet in being oppositely arranged between one end of the 3rd valve seat (5) and one end of the first valve seat (2), and first Import shifts to install with first outlet, and the first valve seat (2), the second valve seat (6), the 3rd valve seat (5) surround a cavity, cavity It is interior to be provided with the first cavity (7), the second cavity (9) that are oppositely arranged, provided with the between the first cavity (7) and the second cavity (9) One pressure spring (10), the cavity formed between the second valve seat (11) and the 3rd valve seat (5) are become narrow gradually, and width is kept not Become, the 4th valve seat (1) is with being additionally provided with pressure regulating screw (3), the 3rd valve seat (5) and the 4th valve seat (1) in the cavity of the 3rd valve seat (5) Between be provided with second outlet, the cavity between the 4th valve seat (1) and the second valve seat (11) is additionally provided with the second pressure spring (4), adjust Pressure screw (3) is connected with the second pressure spring (4), and the second pressure spring (4) is connected with tapering point (8), and pressure regulating screw (3) drives Second pressure spring (4), the tension belt of the second pressure spring (4) move unlatching and the pass of the mobile adjustment second outlet of tapering point (8) Close.
- A kind of 2. decompression type regulating valve of high pressure relief device according to claim 1, it is characterised in that：First pressure spring (10) and the second pressure spring (4) is identical structure.
- A kind of 3. decompression type regulating valve of high pressure relief device according to claim 2, it is characterised in that：First valve seat (2) the cavity width formed with the second valve seat (11) is less than the width of the first valve seat (2).
- A kind of 4. decompression type regulating valve of high pressure relief device according to claim 3, it is characterised in that：First cavity (7), the second cavity (9) is identical structure, and the first cavity (7), the second cavity (9) encloses lower end the U-type groove structure of opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026700.8A CN107725845A (en) | 2017-10-27 | 2017-10-27 | A kind of decompression type regulating valve of high pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026700.8A CN107725845A (en) | 2017-10-27 | 2017-10-27 | A kind of decompression type regulating valve of high pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725845A true CN107725845A (en) | 2018-02-23 |
Family
ID=61201901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711026700.8A Pending CN107725845A (en) | 2017-10-27 | 2017-10-27 | A kind of decompression type regulating valve of high pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725845A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3583157A (en) * | 1969-10-06 | 1971-06-08 | Abex Corp | Hydrostatic transmission |
| US3896844A (en) * | 1973-05-04 | 1975-07-29 | Bosch Gmbh Robert | Fluid flow regulating apparatus |
| DE2124620B2 (en) * | 1970-05-20 | 1977-12-08 | Sperry Rand Corp, Troy, Mich. (VStA.) | ELECTRICALLY REMOTE CONTROLLED PRESSURE RELIEF VALVE |
| DE1909338B2 (en) * | 1969-02-25 | 1978-07-13 | Robert Bosch Gmbh, 7000 Stuttgart | Pilot operated pressure valve |
| CN85109329A (en) * | 1985-12-26 | 1987-08-12 | 庄凤龄 | Pilot operated compound relief valve |
| CN2524033Y (en) * | 2001-12-13 | 2002-12-04 | 浙江大学 | Low noise leading overflow valve |
| CN2786391Y (en) * | 2004-12-17 | 2006-06-07 | 上海华岛液压设备制造有限公司 | Pilot-operated overflow valve |
| CN201851726U (en) * | 2010-11-09 | 2011-06-01 | 韩晓新 | Pilot overflow valve |
| CN203823173U (en) * | 2014-03-27 | 2014-09-10 | 李涛涛 | Pilot relief valve |
-
2017
- 2017-10-27 CN CN201711026700.8A patent/CN107725845A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1909338B2 (en) * | 1969-02-25 | 1978-07-13 | Robert Bosch Gmbh, 7000 Stuttgart | Pilot operated pressure valve |
| US3583157A (en) * | 1969-10-06 | 1971-06-08 | Abex Corp | Hydrostatic transmission |
| DE2124620B2 (en) * | 1970-05-20 | 1977-12-08 | Sperry Rand Corp, Troy, Mich. (VStA.) | ELECTRICALLY REMOTE CONTROLLED PRESSURE RELIEF VALVE |
| US3896844A (en) * | 1973-05-04 | 1975-07-29 | Bosch Gmbh Robert | Fluid flow regulating apparatus |
| CN85109329A (en) * | 1985-12-26 | 1987-08-12 | 庄凤龄 | Pilot operated compound relief valve |
| CN2524033Y (en) * | 2001-12-13 | 2002-12-04 | 浙江大学 | Low noise leading overflow valve |
| CN2786391Y (en) * | 2004-12-17 | 2006-06-07 | 上海华岛液压设备制造有限公司 | Pilot-operated overflow valve |
| CN201851726U (en) * | 2010-11-09 | 2011-06-01 | 韩晓新 | Pilot overflow valve |
| CN203823173U (en) * | 2014-03-27 | 2014-09-10 | 李涛涛 | Pilot relief valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104975994A (en) | Fuel Vapor Control Device | |
| CN102678994B (en) | Automatic decompression voltage and current stabilizer | |
| CN202048252U (en) | Self-operated pressure regulating valve operated by pilot valve | |
| RU2017140406A (en) | VALVE SHUTTER DEVICE WITH SEVERAL FLUID FLOW CONTROL ELEMENTS | |
| US20150361924A1 (en) | Regulator having electronic valve installed therein | |
| CN103615582A (en) | Pressure reduction valve | |
| CN107725845A (en) | A kind of decompression type regulating valve of high pressure relief device | |
| CN107939555A (en) | A kind of supply amount adjusting apparatus of automobile fuel gas spray rail | |
| CN207333735U (en) | A kind of novel pneumatic regulating valve | |
| CN205136705U (en) | Axial compressor is adjustable to delay closed check valve | |
| CN201810840U (en) | Low-pressure regulating valve of small flow gas | |
| CN204226810U (en) | A kind of fluid line that controls cut-offs mechanism | |
| CN207116371U (en) | A kind of hydrogen stable-pressure device | |
| CN211117897U (en) | High-pressure fluid discharge system | |
| CN202182222U (en) | Piston type balanced self-reliance pressure-regulating valve | |
| CN202992300U (en) | Pressure adjusting device | |
| JP2004265363A (en) | Gas pressure reducing valve | |
| CN203571204U (en) | Pressure reducing valve | |
| CN208982720U (en) | A kind of pressure maintaining valve | |
| CN108131346B (en) | A kind of threeway one-way speed-regulating valve | |
| CN205350480U (en) | Pressure regulating valve | |
| CN106838390A (en) | New type pressure regulating valve pilot valve | |
| CN207539384U (en) | A kind of adjustable decompressing valve arrangement | |
| US20150362070A1 (en) | Piston Device and Pressure Regulator Using Same | |
| CN204961943U (en) | Piston water hammer relief valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |