CN104399195A - Oxygen supply pressure adjusting device - Google Patents
Oxygen supply pressure adjusting device Download PDFInfo
- Publication number
- CN104399195A CN104399195A CN201410712025.4A CN201410712025A CN104399195A CN 104399195 A CN104399195 A CN 104399195A CN 201410712025 A CN201410712025 A CN 201410712025A CN 104399195 A CN104399195 A CN 104399195A
- Authority
- CN
- China
- Prior art keywords
- pressure
- oxygen
- adjusting nut
- oxygen supply
- valve plate
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/14—Respiratory apparatus for high-altitude aircraft
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
Abstract
The invention relates to an oxygen supply pressure adjusting device. The oxygen supply pressure adjusting device comprises a casing, a membrane, a valve base, a valve plate, an adjusting nut, a t-branch pipe and a first spring; three openings of the t-branch pipe are respectively connected with an oxygen supply adjuster, an oxygen mask and the casing; the lower end of the casing is connected with a compensatory waistcoat; the upper end of the valve base is connected with the casing through the membrane; the valve plate is arranged at an outlet at the lower end of the valve base; the adjusting nut is fixed inside the casing; the valve plate is inserted inside the adjusting nut and the valve plate and the adjusting nut are in clearance fit; the first spring is arranged between the valve plate and the adjusting nut; the casing is provided with a pressure relief opening. The oxygen supply pressure adjusting device can simplify an airplane oxygen supply pipeline and reduce pilot burdens under the basis that the high maneuvering characteristic and the high altitude compensatory protection are satisfied.
Description
Technical field
The present invention relates to the oxygen supply equipment of pilot, more particularly, relate to a kind of oxygen supply pressure-regulating device.
Background technology
At present, the oxygen mask that China fighter pilot uses and pressure breathing jerkin oxygen supply respectively, each own independently ventilation channel.The ventilation channel of oxygen mask and pressure breathing jerkin independently controls, and environmentally pressure regulates the oxygen supply pressure of oxygen mask and the blowing pressure of pressure breathing jerkin.Arranging two cover ventilation channels in prior art causes oxygen system complicated, adds pilot's burden, and fragile, and maintenance cost is high.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of oxygen supply pressure-regulating device is oxygen mask and pressure breathing jerkin oxygen supply simultaneously, meets flight protective demand, and simplifies ventilation channel.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of oxygen supply pressure-regulating device, comprise housing, diaphragm, valve base, valve plate, adjusting nut, three-way pipe and the first spring, three mouths of described three-way pipe connect oxygenregulator respectively, oxygen mask and described housing, the lower end of described housing connects pressure breathing jerkin, the upper end of described valve base is connected with described housing by diaphragm, described valve plate is arranged on the exit, lower end of described valve base, described adjusting nut is fixed on described enclosure interior, described valve plate insert adjusting nut and with adjusting nut matched in clearance, described first spring is arranged between described valve plate and described adjusting nut, described housing is provided with pressure relief opening,
When system is in non-pressurised confession oxygen condition, described valve plate blocks the lower end outlet of valve base, and oxygenregulator is only to oxygen mask oxygen supply;
When system is in pressure breathing oxygen state, described valve plate moves down, and the first spring is compressed, and the lower end outlet of valve base is opened, and pressure relief opening is in closed state, and oxygenregulator is simultaneously to oxygen mask and pressure breathing jerkin oxygen supply;
After pressure breathing oxygen process terminates, in pressure breathing jerkin, pressure is higher than pressure in ventilation channel, and valve plate is moved upward to the lower outlet of blocking valve base, and valve base moves up, and pressure relief opening is opened, and the oxygen in pressure breathing jerkin is released by pressure relief opening.
In such scheme, the upper end of described valve base is also connected with described housing by the second spring.
In such scheme, described adjusting nut is threaded with described housing, and described adjusting nut is provided with external screw thread, and described housing is provided with internal thread.
Implement oxygen supply pressure-regulating device of the present invention, there is following beneficial effect:
Oxygenregulator to oxygen mask input pressure more than 0.5kPa time, be filled with oxygen to pressure breathing jerkin; When oxygen mask input pressure maintains a pressure, input isobaric oxygen to pressure breathing jerkin; When oxygen mask input pressure declines, pressure breathing jerkin pressure release, and maintenance is pressed consistent with face shield.Oxygen supply pressure-regulating device of the present invention, on the basis of protection meeting high maneuverability energy and counterpressure, can simplify aircraft ventilation channel largely, alleviate pilot's burden.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 be oxygen supply pressure-regulating device be in non-pressurised for oxygen condition time schematic diagram;
Fig. 2 be oxygen supply pressure-regulating device be in non-pressurised for oxygen condition time schematic diagram;
Fig. 3 be oxygen supply pressure-regulating device be in non-pressurised for oxygen condition time schematic diagram.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, oxygen supply pressure-regulating device of the present invention comprises housing 1, diaphragm 2, valve base 3, valve plate 4, adjusting nut 5, three-way pipe 6, first spring 7 and the second spring 8.
Three-way pipe 6 is threaded with housing 1, and three-way pipe 6 is for connecting oxygen mask and oxygenregulator, and housing 1 lower end is threaded with the mount pad on pressure breathing jerkin.The upper end of valve base 3 is connected with housing 1 by diaphragm 2, and the upper end of valve base 3 is also connected with housing 1 by the second spring 8.Valve plate 4 is arranged on the exit, lower end of valve base 3, and it is inner that adjusting nut 5 is fixed on housing 1.Valve plate 4 insert adjusting nut 5 and with adjusting nut 5 matched in clearance, the lower end of valve plate 4 can be moved in adjusting nut 5.First spring 7 is arranged between valve plate 4 and adjusting nut 5, and adjusting nut 5 is threaded with housing 1, and adjusting nut 5 is provided with external screw thread, and housing 1 is provided with internal thread.By rotating adjusting nut 5, the elastic force of the first spring 7 can be regulated.Housing 1 is provided with pressure relief opening, lays respectively at the left and right sides.
As shown in Figure 1, when system is in non-pressurised confession oxygen condition, valve plate 4 blocks the lower end outlet of valve base 3, and oxygenregulator is only to oxygen mask oxygen supply.As shown in Figure 2, when system is in pressure breathing oxygen state, valve plate 4 moves down, and the first spring 7 is compressed, and the lower end outlet of valve base 3 is opened, and pressure relief opening is in closed state, and oxygenregulator is simultaneously to oxygen mask and pressure breathing jerkin oxygen supply.As shown in Figure 3, after pressure breathing oxygen process terminates, in pressure breathing jerkin, pressure is higher than pressure in ventilation channel, valve plate 4 is moved upward to the lower outlet of blocking valve base 3, and valve base 3 moves up, and pressure relief opening is opened, second spring 8 is compressed, and the oxygen in pressure breathing jerkin is released by pressure relief opening.
Oxygen supply pressure-regulating device of the present invention can realize being face shield and pressure breathing jerkin oxygen supply simultaneously, on the basis of protection meeting high maneuverability energy and counterpressure, can simplify aircraft ventilation channel largely, alleviate pilot's burden.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (3)
1. an oxygen supply pressure-regulating device, it is characterized in that, comprise housing (1), diaphragm (2), valve base (3), valve plate (4), adjusting nut (5), three-way pipe (6) and the first spring (7), three mouths of described three-way pipe (6) connect oxygenregulator respectively, oxygen mask and described housing (1), the lower end of described housing (1) connects pressure breathing jerkin, the upper end of described valve base (3) is connected with described housing (1) by diaphragm (2), described valve plate (4) is arranged on the exit, lower end of described valve base (3), it is inner that described adjusting nut (5) is fixed on described housing (1), described valve plate (4) insert adjusting nut (5) and with adjusting nut (5) matched in clearance, described first spring (7) is arranged between described valve plate (4) and described adjusting nut (5), described housing (1) is provided with pressure relief opening,
When system is in non-pressurised confession oxygen condition, described valve plate (4) blocks the lower end outlet of valve base (3), and oxygenregulator is only to oxygen mask oxygen supply;
When system is in pressure breathing oxygen state, described valve plate (4) moves down, and the first spring (7) is compressed, and the lower end outlet of valve base (3) is opened, pressure relief opening is in closed state, and oxygenregulator is simultaneously to oxygen mask and pressure breathing jerkin oxygen supply;
After pressure breathing oxygen process terminates, in pressure breathing jerkin, pressure is higher than pressure in ventilation channel, and valve plate (4) is moved upward to the lower outlet of blocking valve base (3), and valve base (3) moves up, pressure relief opening is opened, and the oxygen in pressure breathing jerkin is released by pressure relief opening.
2. oxygen supply pressure-regulating device according to claim 1, is characterized in that, the upper end of described valve base (3) is also connected with described housing (1) by the second spring (8).
3. oxygen supply pressure-regulating device according to claim 1, it is characterized in that, described adjusting nut (5) is threaded with described housing (1), and described adjusting nut (5) is provided with external screw thread, and described housing (1) is provided with internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712025.4A CN104399195B (en) | 2014-11-28 | 2014-11-28 | Supply oxygen pressure-regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712025.4A CN104399195B (en) | 2014-11-28 | 2014-11-28 | Supply oxygen pressure-regulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104399195A true CN104399195A (en) | 2015-03-11 |
| CN104399195B CN104399195B (en) | 2017-11-17 |
Family
ID=52636899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410712025.4A Active CN104399195B (en) | 2014-11-28 | 2014-11-28 | Supply oxygen pressure-regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104399195B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB793452A (en) * | 1955-02-16 | 1958-04-16 | Kidde Walter Co Ltd | Improvements in breathing apparatus for use in aircraft |
| US3952773A (en) * | 1974-01-29 | 1976-04-27 | Dragerwerk Aktiengesellschaft | Breathing gas supply controller |
| US4230097A (en) * | 1977-07-01 | 1980-10-28 | Intertechnique | Breathing and acceleration protection apparatus for aircraft crew members |
| EP0492804A1 (en) * | 1990-12-22 | 1992-07-01 | Normalair-Garrett (Holdings) Limited | Aircrew breathing gas regulators |
| GB2329006A (en) * | 1997-09-06 | 1999-03-10 | Draeger Aerospace Gmbh | Venting valve for a rapid pressure drop |
| CN101437580A (en) * | 2006-04-26 | 2009-05-20 | 联合技术公司 | System for delivering oxygen by airplane |
| CN202449209U (en) * | 2011-12-21 | 2012-09-26 | 航宇救生装备有限公司 | Capsule type compensation waistcoat |
| CN102895747A (en) * | 2011-07-25 | 2013-01-30 | 联合技术公司 | Regulation valve for life support system |
| US20130025590A1 (en) * | 2011-07-25 | 2013-01-31 | Wolfgang Rittner | Regulation valve for a life support system |
| CN103656904A (en) * | 2013-11-29 | 2014-03-26 | 航宇救生装备有限公司 | Electronic oxygen regulator with multifunctional air valve |
| CN103656909A (en) * | 2013-11-29 | 2014-03-26 | 航宇救生装备有限公司 | Pressurizing oxygen supply mask mass flow breathing valve |
| CN204261223U (en) * | 2014-11-28 | 2015-04-15 | 航宇救生装备有限公司 | Oxygen supply pressure-regulating device |
-
2014
- 2014-11-28 CN CN201410712025.4A patent/CN104399195B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB793452A (en) * | 1955-02-16 | 1958-04-16 | Kidde Walter Co Ltd | Improvements in breathing apparatus for use in aircraft |
| US3952773A (en) * | 1974-01-29 | 1976-04-27 | Dragerwerk Aktiengesellschaft | Breathing gas supply controller |
| US4230097A (en) * | 1977-07-01 | 1980-10-28 | Intertechnique | Breathing and acceleration protection apparatus for aircraft crew members |
| EP0492804A1 (en) * | 1990-12-22 | 1992-07-01 | Normalair-Garrett (Holdings) Limited | Aircrew breathing gas regulators |
| GB2329006A (en) * | 1997-09-06 | 1999-03-10 | Draeger Aerospace Gmbh | Venting valve for a rapid pressure drop |
| CN101437580A (en) * | 2006-04-26 | 2009-05-20 | 联合技术公司 | System for delivering oxygen by airplane |
| CN102895747A (en) * | 2011-07-25 | 2013-01-30 | 联合技术公司 | Regulation valve for life support system |
| US20130025590A1 (en) * | 2011-07-25 | 2013-01-31 | Wolfgang Rittner | Regulation valve for a life support system |
| CN202449209U (en) * | 2011-12-21 | 2012-09-26 | 航宇救生装备有限公司 | Capsule type compensation waistcoat |
| CN103656904A (en) * | 2013-11-29 | 2014-03-26 | 航宇救生装备有限公司 | Electronic oxygen regulator with multifunctional air valve |
| CN103656909A (en) * | 2013-11-29 | 2014-03-26 | 航宇救生装备有限公司 | Pressurizing oxygen supply mask mass flow breathing valve |
| CN204261223U (en) * | 2014-11-28 | 2015-04-15 | 航宇救生装备有限公司 | Oxygen supply pressure-regulating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104399195B (en) | 2017-11-17 |
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