CN108758040A - A kind of breathing pressure reducing valve - Google Patents
A kind of breathing pressure reducing valve Download PDFInfo
- Publication number
- CN108758040A CN108758040A CN201810924810.4A CN201810924810A CN108758040A CN 108758040 A CN108758040 A CN 108758040A CN 201810924810 A CN201810924810 A CN 201810924810A CN 108758040 A CN108758040 A CN 108758040A
- Authority
- CN
- China
- Prior art keywords
- pressure
- reducing valve
- pressure reducing
- pressure chamber
- breathing
- 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.)
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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
- F16K17/06—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
-
- 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
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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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a kind of breathing pressure reducing valves,Rotation hand wheel is set on the outer wall of the pressure-air input port of pressure reducing valve casing by collar nut,It is provided with clamp nut between collar nut front end and pressure-air input port,The front end of clamp nut is embedded to be cased with sealing rubber ring,Sealing fixing bolt is provided in pressure reducing valve casing,The high-pressure chamber of sealing fixing bolt is connected with pressure-air input port,The upper outer of high-pressure chamber is provided with middle pressure chamber body,High-pressure chamber inner upper is provided with first piston,The top of first piston body is provided with adjusting bolt,High-pressure chamber,Second piston body is provided between middle pressure chamber body,Second piston body is arranged by the relief spring being positioned above in middle pressure chamber body,The side of middle pressure chamber body is provided with outlet passageway and is connected with middle pressure output port,Safety valve body is connected on outlet passageway.The present invention breaks down when pressure reducing valve, and safety valve body can automatically turn on discouraged, raising security performance.
Description
Technical field
The present invention relates to air respiratorresuscitator component technology fields, and in particular to a kind of breathing pressure reducing valve.
Background technology
Pressure reducing valve is breathed, is applied in air respiratorresuscitator, effect is to reduce to high pressure gas in gas cylinder in 5-9bar
It calms the anger body, then is transported in breathing mask by middle pressure pipe and is used for user of service's eupnea, be the key that air respiratorresuscitator
Component.Currently, breathing pressure reducing valve on the market, is inside not provided with safety valve structure, when breathing pressure reducing valve loses to pressure-air
Depressurization when（Such as relief spring damage or diaphragm, valve damage）, pressure-air, can be to using without depressurizing directly output
Personnel damage.Moreover, breathing pressure reducing valve casing, under long-term moist environment, get rusty easily corrosion, influences to use the longevity
Life.Finally, the pressure-air input port leakproofness for breathing pressure reducing valve is bad, is susceptible to gas leak phenomenon, influences breathing decompression
The using effect of valve.
Invention content
The purpose of the present invention is overcome the problems of existing breathing pressure reducing valve.The breathing pressure reducing valve of the present invention increases
Safety valve body is added, when pressure reducing valve breaks down, safety valve body can automatically turn on discouraged, raising security performance, and pressure-air
Input port good seal performance, and it is provided with nickel coating, corrosion resistance can be increased, prolonged the service life, structure novel is realized
It is convenient, it has a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of breathing pressure reducing valve, including rotation hand wheel, pressure reducing valve casing and safety valve body,
The rotation hand wheel is set on the outer wall of the pressure-air input port of pressure reducing valve casing by collar nut, described to connect
Clamp nut is provided between head nut front end and pressure-air input port, the front end of the clamp nut is embedded to be cased with
Sealing rubber ring,
Sealing fixing bolt is provided in the pressure reducing valve casing, the high-pressure chamber and pressure-air of the sealing fixing bolt are defeated
Inbound port is connected, and the upper outer of the high-pressure chamber is provided with middle pressure chamber body, and the high-pressure chamber inner upper is provided with
The top of first piston body, the first piston body is provided with adjusting bolt, is provided between the high-pressure chamber, middle pressure chamber body
Second piston body is provided with relief spring above the second piston body,
The first piston body moves up under the promotion of pressure-air, and there are gaps, high pressure gas to exist between second piston body
This gap enters middle pressure chamber body after going out decompression, and the side of medium pressure cavity is provided with outlet passageway and middle pressure output port
It is connected, safety valve body is connected on the outlet passageway, the safety valve body, middle pressure output port are arranged in parallel, and the two
Outlet end extend pressure reducing valve casing.
A kind of breathing pressure reducing valve above-mentioned, the outer wall of the rotation hand wheel are provided with the arc groove being spacedly distributed, institute
Arc groove is stated convenient for hand-held.
A kind of breathing pressure reducing valve above-mentioned is provided with outlet side gasket in medium pressure output port.
A kind of breathing pressure reducing valve above-mentioned, the surface of the pressure reducing valve casing is provided with nickel coating.
A kind of breathing pressure reducing valve above-mentioned is provided with rubber block, the serum cap cap above the adjusting bolt
It closes on pressure reducing valve casing, is used for the sealing of middle pressure chamber body.
A kind of breathing pressure reducing valve above-mentioned is additionally provided with high-voltage output end in pressure reducing valve casing below the safety valve body
Mouthful, the High voltage output port is parallel to safety valve body setting, and one end of the High voltage output port is connected with high-pressure chamber,
It is provided with High voltage output gasket in the High voltage output port.
A kind of breathing pressure reducing valve above-mentioned is provided with the first filter screen in the pressure-air input port.
The beneficial effects of the invention are as follows：The breathing pressure reducing valve of the present invention, increases safety valve body, when event occurs in pressure reducing valve
Barrier, safety valve body can automatically turn on discouraged, raising security performance, and pressure-air input port good seal performance, and be provided with
Nickel coating can increase corrosion resistance, prolong the service life, structure novel, and it is convenient to realize, has a good application prospect.
Description of the drawings
Fig. 1 is the left front sectional view of the breathing pressure reducing valve of the present invention；
Fig. 2 is the right lateral side sectional view of the breathing pressure reducing valve of the present invention；
Fig. 3 is the structure chart of the breathing pressure reducing valve of the present invention.
The meaning marked in attached drawing is as follows：
1：Rotation hand wheel；101：Arc groove；2：Pressure reducing valve casing；3：Safety valve body；4：Collar nut；5：Clamp nut；6：
Sealing rubber ring；7：Seal fixing bolt；701：High-pressure chamber；702：Middle pressure chamber body；703：First piston body；704：Adjust spiral shell
Bolt；705：Second piston body；706：Relief spring；8：Pressure-air input port；9：Outlet passageway；10：Middle pressure output port；
11：First filter screen；12：Rubber block；13：Outlet side gasket；14：High voltage output port；15：High voltage output gasket.
Specific implementation mode
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, Figure 2 and Figure 3, breathing pressure reducing valve of the invention, including rotation hand wheel 1, pressure reducing valve casing 2 and safety
Valve body 3,
The rotation hand wheel 1 is set on the outer wall of the pressure-air input port 8 of pressure reducing valve casing 2, institute by collar nut 4
It states and is provided with clamp nut 5, the front end of the clamp nut 5 between 4 front end of collar nut and pressure-air input port 8
It is embedded to be cased with sealing rubber ring 6,
Sealing fixing bolt 7, the high-pressure chamber 701 and high pressure of the sealing fixing bolt 7 are provided in the pressure reducing valve casing 2
Air input mouth 8 is connected, and the upper outer of the high-pressure chamber 701 is provided with middle pressure chamber body 702, the high-pressure chamber
701 inner uppers are provided with first piston body 703, and the top of the first piston body 703 is provided with adjusting bolt 704, described
Second piston body 705 is provided between high-pressure chamber 701, middle pressure chamber body 702, the top of the second piston body 705 is provided with
Relief spring 706, the first piston body 703 moves up under the promotion of pressure-air, between existing between second piston body 705
Gap, high pressure gas enter middle pressure chamber body 702 after going out decompression in this gap, and the side of medium pressure cavity 702 is provided with out
Gas channel 9 is connected with middle pressure output port 10, is connected with safety valve body 3 on the outlet passageway 9, the safety valve body 3, in
Pressure output port 10 is arranged in parallel, and pressure reducing valve casing 2 is extended in the outlet end of the two.
Preferably, the outer wall of the rotation hand wheel 1 is provided with the arc groove 101 being spacedly distributed, the arc groove
101 convenient for hand-held, convenient for being turned on or off for rotation rotation hand wheel adjustment pressure-air input port 8.
Preferably, be provided with outlet side gasket 13 in medium pressure output port 10, in guarantee press output port 10 with
The leakproofness that pressure reducing valve casing 2 connects.
Preferably, the surface of the pressure reducing valve casing 2 is provided with nickel coating, can increase the anticorrosive of pressure reducing valve casing 2
Property, corrosion is prevented, ensures the service life of pressure reducing valve casing 2.
Preferably, the top of the adjusting bolt 704 is provided with rubber block 12, and the lid of rubber block 12, which closes, to depressurize
On valve chest 2, it is used for the sealing of middle pressure chamber body 702, sealing effect to be good, can also remove 12 periodic cleaning middle pressure chamber of rubber block
Body 702 and high-pressure chamber 701 ensure clean degree.
Preferably, High voltage output port 14, the height are additionally provided in the pressure reducing valve casing 2 of 3 lower section of the safety valve body
Pressure output port 14 is parallel to the setting of safety valve body 3, and one end of the High voltage output port 14 is connected with high-pressure chamber 701,
It is provided with High voltage output gasket 15 in the High voltage output port 14, ensures that High voltage output port 14 connects with pressure reducing valve casing 2
The sealing at place is connect, High voltage output port 14 is opened as needed when can be, is used for the output of pressure-air, is suitable for
Special occasions can send out alarm, remind user.
Preferably, it is provided with the first filter screen 11 in the pressure-air input port 8, ensures gas from the output end of gas
Body enters the cleannes of high-pressure chamber 701.
The breathing pressure reducing valve of the present invention, operation principle are as follows：When pressure reducing valve loses the depressurization to pressure-air（Such as
Relief spring damages or diaphragm, valve damage）, pressure-air is directly exported without depressurizing, to avoid the damage thereby resulted in, this
The setting safety valve body of invention, under normal circumstances, when thorax chamber pressure is not more than 8.5bar, safety valve body is closed,
When sealing fixing bolt break down, when thorax chamber pressure reaches 10bar-12 bar, safety valve body can automatically turn on it is discouraged, effectively
The injury prevented to user of service.Under normal operating conditions, when pressure-air enters the high-pressure chamber in pressure reducing valve casing,
Pressure directly acts on first piston body, so that first piston body is moved up, until being scheduled in adjusting bolt.At this point, first
There are certain gap between piston body and second piston body, high pressure gas is depressurized into gap herein is crossed, the gas stream after decompression
Into middle pressure chamber body, second piston body is directly acted on, so that second piston body is moved up, and compress relief spring, reaches flat
Weighing apparatus.If the gas pressure after decompression is excessive or too small, moved up and down, and is driven on first day piston body by adjusting bolt
Lower activity changes the gap pressure regulation between second piston body.
In conclusion the breathing pressure reducing valve of the present invention, increases safety valve body, when pressure reducing valve failure, safety valve body
Discouraged, raising security performance, and pressure-air input port good seal performance can be automatically turned on, and is provided with nickel coating, it can
Increase corrosion resistance, prolong the service life, structure novel, it is convenient to realize, has a good application prospect.
The basic principles and main features and advantage of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. a kind of breathing pressure reducing valve, it is characterised in that：Including rotation hand wheel（1）, pressure reducing valve casing（2）And safety valve body（3）,
The rotation hand wheel（1）Pass through collar nut（4）It is set on pressure reducing valve casing（2）Pressure-air input port（8）
Outer wall, the collar nut（4）Front end and pressure-air input port（8）Between be provided with clamp nut（5）, the pressure
Tight nut（5）Front end embedded be cased with sealing rubber ring（6）,
The pressure reducing valve casing（2）On sealing fixing bolt has been installed（7）, the sealing fixing bolt（7）Valve casing will be depressurized
Body（2）Interior formation high-pressure chamber（701）, the high-pressure chamber（701）With pressure-air input port（8）It is connected, the height
Press cavity（701）Upper outer be provided with middle pressure chamber body（702）, the high-pressure chamber（701）Inner upper is provided with first
Piston body（703）, the first piston body（703）Top be provided with adjusting bolt（704）, the high-pressure chamber（701）, in
Press cavity（702）Between be provided with second piston body（705）, the second piston body（705）Top be provided with relief spring
（706）,
The first piston body（703）It is moved up under the promotion of pressure-air, with second piston body（705）Between there are gap,
High pressure gas enters middle pressure chamber body after going out decompression in this gap（702）, medium pressure cavity（702）Side be provided with out
Gas channel（9）With middle pressure output port（10）It is connected, the outlet passageway（9）On be connected with safety valve body（3）, the safety
Valve body（3）, middle pressure output port（10）It is arranged in parallel, and pressure reducing valve casing is extended in the outlet end of the two（2）.
2. a kind of breathing pressure reducing valve according to claim 1, it is characterised in that：The rotation hand wheel（1）Outer wall setting
There is the arc groove being spacedly distributed（101）, the arc groove（101）Convenient for hand-held.
3. a kind of breathing pressure reducing valve according to claim 1, it is characterised in that：Medium pressure output port（10）Interior setting
There is outlet side gasket（13）.
4. a kind of breathing pressure reducing valve according to claim 1, it is characterised in that：The pressure reducing valve casing（2）Surface set
It is equipped with nickel coating.
5. a kind of breathing pressure reducing valve according to claim 1, it is characterised in that：The adjusting bolt（704）Top set
It is equipped with rubber block（12）, the rubber block（12）Lid is closed in pressure reducing valve casing（2）On.
6. a kind of breathing pressure reducing valve according to claim 1, it is characterised in that：The safety valve body（3）The decompression of lower section
Valve chest（2）Inside it is additionally provided with High voltage output port（14）, the High voltage output port（14）It is parallel to safety valve body（3）If
It sets, the High voltage output port（14）One end and high-pressure chamber（701）It is connected, the High voltage output port（14）Interior setting
There is High voltage output gasket（15）.
7. a kind of breathing pressure reducing valve according to claim 1, it is characterised in that：The pressure-air input port（8）It is interior
It is provided with the first filter screen（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924810.4A CN108758040B (en) | 2018-08-14 | 2018-08-14 | Respiration pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924810.4A CN108758040B (en) | 2018-08-14 | 2018-08-14 | Respiration pressure reducing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108758040A true CN108758040A (en) | 2018-11-06 |
| CN108758040B CN108758040B (en) | 2023-08-15 |
Family
ID=63969878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810924810.4A Active CN108758040B (en) | 2018-08-14 | 2018-08-14 | Respiration pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108758040B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374684A (en) * | 2021-08-04 | 2021-09-10 | 北京中海沃邦能源投资有限公司石楼分公司 | Novel oil drilling pump insurance valve overflow pump stopping device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2085306A (en) * | 1980-10-17 | 1982-04-28 | Sabre Safety Ltd | Breathing apparatus |
| EP0298272A2 (en) * | 1987-07-09 | 1989-01-11 | Messer Griesheim Gmbh | Gas pressure regulator |
| DD277312A1 (en) * | 1988-11-28 | 1990-03-28 | Medizin Labortechnik Veb K | PRESSURE REDUCER WITH CONSTANT INTERPRETENT FOR PACKAGING DEVICES |
| US20010045241A1 (en) * | 2000-05-23 | 2001-11-29 | Masaru Takeda | Gas charging device |
| US20050194050A1 (en) * | 2004-03-04 | 2005-09-08 | Pietrantoni Dennis P. | Breathing gas dispenser with selectable output flow rates |
| US20070209703A1 (en) * | 2006-03-10 | 2007-09-13 | Fisher Controls International Llc | Pressure Reducing Regulator with Adjustable Feature |
| CN201787147U (en) * | 2010-08-24 | 2011-04-06 | 张家和 | Inching switch reducing valve |
| CN202852100U (en) * | 2012-09-26 | 2013-04-03 | 苏州赛华仪控股份有限公司 | Constant pressure valve |
| CN105927741A (en) * | 2016-07-06 | 2016-09-07 | 成都航天烽火精密机电有限公司 | Pressure reducing valve for high-pressure gas |
| US20180100596A1 (en) * | 2016-10-11 | 2018-04-12 | Motonic Corporation | Safe valve for high pressure regulator |
| CN208619786U (en) * | 2018-08-14 | 2019-03-19 | 江苏华燕船舶装备有限公司 | A kind of breathing pressure reducing valve |
-
2018
- 2018-08-14 CN CN201810924810.4A patent/CN108758040B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2085306A (en) * | 1980-10-17 | 1982-04-28 | Sabre Safety Ltd | Breathing apparatus |
| EP0298272A2 (en) * | 1987-07-09 | 1989-01-11 | Messer Griesheim Gmbh | Gas pressure regulator |
| DD277312A1 (en) * | 1988-11-28 | 1990-03-28 | Medizin Labortechnik Veb K | PRESSURE REDUCER WITH CONSTANT INTERPRETENT FOR PACKAGING DEVICES |
| US20010045241A1 (en) * | 2000-05-23 | 2001-11-29 | Masaru Takeda | Gas charging device |
| US20050194050A1 (en) * | 2004-03-04 | 2005-09-08 | Pietrantoni Dennis P. | Breathing gas dispenser with selectable output flow rates |
| US20070209703A1 (en) * | 2006-03-10 | 2007-09-13 | Fisher Controls International Llc | Pressure Reducing Regulator with Adjustable Feature |
| CN101401050A (en) * | 2006-03-10 | 2009-04-01 | 费希尔控制产品国际有限公司 | Pressure reducing regulator with adjustable feature |
| CN201787147U (en) * | 2010-08-24 | 2011-04-06 | 张家和 | Inching switch reducing valve |
| CN202852100U (en) * | 2012-09-26 | 2013-04-03 | 苏州赛华仪控股份有限公司 | Constant pressure valve |
| CN105927741A (en) * | 2016-07-06 | 2016-09-07 | 成都航天烽火精密机电有限公司 | Pressure reducing valve for high-pressure gas |
| US20180100596A1 (en) * | 2016-10-11 | 2018-04-12 | Motonic Corporation | Safe valve for high pressure regulator |
| CN208619786U (en) * | 2018-08-14 | 2019-03-19 | 江苏华燕船舶装备有限公司 | A kind of breathing pressure reducing valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374684A (en) * | 2021-08-04 | 2021-09-10 | 北京中海沃邦能源投资有限公司石楼分公司 | Novel oil drilling pump insurance valve overflow pump stopping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108758040B (en) | 2023-08-15 |
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