CN205350444U - Gaseous automatic switch -over machine - Google Patents
Gaseous automatic switch -over machine Download PDFInfo
- Publication number
- CN205350444U CN205350444U CN201620006890.1U CN201620006890U CN205350444U CN 205350444 U CN205350444 U CN 205350444U CN 201620006890 U CN201620006890 U CN 201620006890U CN 205350444 U CN205350444 U CN 205350444U
- Authority
- CN
- China
- Prior art keywords
- gasket seal
- cavity
- oxygen supply
- check valve
- air inlet
- 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.)
- Active
Links
Abstract
The utility model discloses a gaseous automatic switch -over machine, including left apparatus of oxygen supply, right apparatus of oxygen supply, left check valve, right check valve, tertiary pressure reducer, gaseous automatic switch -over valve, oxygen output, gaseous automatic switch -over valve is all connected to left side apparatus of oxygen supply, right apparatus of oxygen supply, left check valve, right check valve, tertiary pressure reducer is all connected to left side check valve, right check valve, the oxygen output is connected to tertiary pressure reducer, the utility model discloses a pneumatics is switched the machine and is switched the safer normal work of machine for the solenoid valve, does not produce any electric spark at the switching in -process, and the security is higher, and can normal function switching under the power off condition.
Description
Technical field
This utility model relates to gas automatic switching machine.
Background technology
Existing switching machine mostly is electromagnetic valve switching machine, and by electromagnetic valve control thus reaching about gas the purpose of switching, electromagnetic valve switching and likely produce electric spark, in the transfer of gas processes such as oxygen and dangerous.And electromagnetic valve switching requires over power supply, will cause switching if producing power-off, certain impact will be produced safely for hospital's oxygen supply.
Utility model content
The purpose of this utility model is to overcome deficiency in existing product, it is provided that the gas automatic switching machine that a kind of safety is high.
In order to achieve the above object, this utility model is achieved through the following technical solutions:
Gas automatic switching machine of the present utility model, including left apparatus of oxygen supply, right apparatus of oxygen supply, left check valve, right check valve, three grades of decompressors, gas automatic transfer valve, oxygen output, described left apparatus of oxygen supply, right apparatus of oxygen supply, left check valve, right check valve all connects gas automatic transfer valve, described left check valve, right check valve all connects three grades of decompressors, and described three grades of decompressors connect oxygen output, and described gas automatic transfer valve includes left air inlet, right air inlet, switching diaphragm, center valve rod, left gasket seal, right gasket seal, left gas outlet, right gas outlet, described gas automatic transfer valve is by switching diaphragm longitudinally split one-tenth left chamber and right chamber, described left gasket seal, left air inlet, left gas outlet is all arranged in left chamber, described right gasket seal, right air inlet, right gas outlet is all arranged in right chamber, and described center valve rod is horizontally through switching diaphragm and is connected, on described left gasket seal, right gasket seal is all enclosed within the valve rod of center, on described left gasket seal, right gasket seal is positioned at the both sides of switching diaphragm, left cavity it is provided with in described left chamber, it is provided with right cavity in described right chamber, described left gasket seal is provided with the left sealing ring for being turned on and off left cavity, described right gasket seal is provided with the right sealing ring for being turned on and off right cavity, described left gasket seal, left sealing ring is positioned at left cavity, described right gasket seal, right sealing ring is positioned at right cavity, and described left air inlet is connected with left cavity, and described right air inlet is connected with right cavity, and described left cavity is connected with left gas outlet, and described right cavity is connected with right gas outlet.
Described left air inlet of the present utility model connects left apparatus of oxygen supply, and described right air inlet connects right apparatus of oxygen supply, and described left gas outlet connects left check valve, to valve about the connection of described right gas outlet.
Left apparatus of oxygen supply of the present utility model includes left oxygen cylinder interface, left side filter, one-level decompressor, second depressurized device, left Pressure gauge, filter on the left of described left oxygen cylinder orifice, described left side filter connection one-level decompressor, described one-level decompressor connection second depressurized device, described left Pressure gauge connection left side filter.
Right apparatus of oxygen supply of the present utility model includes right oxygen cylinder interface, right side filter, one-level decompressor, second depressurized device, right Pressure gauge, filter on the right side of described right oxygen cylinder orifice, described right side filter connection one-level decompressor, described one-level decompressor connection second depressurized device, described right Pressure gauge connection right side filter.
The pressure alarm that also includes of the present utility model, described pressure alarm connects gas automatic transfer valve.
The beneficial effects of the utility model are as follows: the normal operation that pneumatic switching machine of the present utility model is safer relative to electromagnetic valve switching machine, do not produce any electric spark in handoff procedure, and safety is higher, and in the power-off state can normal operation switching.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of gas automatic transfer valve.
Detailed description of the invention
Below in conjunction with Figure of description, the technical solution of the utility model is described further:
Such as Fig. 1, Fig. 2 shows, gas automatic switching machine, including left apparatus of oxygen supply, right apparatus of oxygen supply, left check valve 6, right check valve 7, three grades of decompressors 8, gas automatic transfer valve 10, oxygen output 9, described left apparatus of oxygen supply, right apparatus of oxygen supply, left check valve 6, right check valve 7 all connects gas automatic transfer valve 10, described left check valve 6, right check valve 7 all connects three grades of decompressors 8, and described three grades of decompressors 8 connect oxygen output 9, and described gas automatic transfer valve 10 includes left air inlet 31, right air inlet 32, switching diaphragm 33, center valve rod 34, left gasket seal 35, right gasket seal 36, left gas outlet 37, right gas outlet 38, described gas automatic transfer valve 10 is by switching diaphragm 33 longitudinally split one-tenth left chamber 41 and right chamber 42, described left gasket seal 35, left air inlet 31, left gas outlet 37 is all arranged in left chamber 41, described right gasket seal 36, right air inlet 32, right gas outlet 38 is all arranged in right chamber 42, and described center valve rod 34 is horizontally through switching diaphragm 33 and is connected, on described left gasket seal 35, right gasket seal 36 is all enclosed within center valve rod 34, on described left gasket seal 35, right gasket seal 36 is positioned at the both sides of switching diaphragm 33, left cavity 39 it is provided with in described left chamber 41, right cavity 40 it is provided with in described right chamber 42, described left gasket seal 35 is provided with the left sealing ring 43 for being turned on and off left cavity 39, described right gasket seal 36 is provided with the right sealing ring 44 for being turned on and off right cavity 40, described left gasket seal 35, left sealing ring 43 is positioned at left cavity 39, described right gasket seal 36, right sealing ring 44 is positioned at right cavity 40, and described left air inlet 31 is connected with left cavity 39, and described right air inlet 32 is connected with right cavity 40, and described left cavity 39 is connected with left gas outlet 37, and described right cavity 40 is connected with right gas outlet 38.
Described left air inlet 31 of the present utility model connects left apparatus of oxygen supply, and described right air inlet 32 connects right apparatus of oxygen supply, and described left gas outlet 37 connects left check valve 6, to valve 7 about the connection of described right gas outlet 38.
Described left apparatus of oxygen supply of the present utility model includes left oxygen cylinder interface 1, left side filter 2, one-level decompressor 4, second depressurized device 5, left Pressure gauge 3, described left oxygen cylinder interface 1 connection left side filter 2, described left side filter 2 connects one-level decompressor 4, described one-level decompressor 4 connects second depressurized device 5, described left Pressure gauge 3 connection left side filter 2.
Described right apparatus of oxygen supply of the present utility model includes right oxygen cylinder interface 21, right side filter 22, one-level decompressor 24, second depressurized device 25, right Pressure gauge 23, described right oxygen cylinder interface 21 connection right side filter 22, described right side filter 22 connects one-level decompressor 24, described one-level decompressor 24 connects second depressurized device 25, described right Pressure gauge 23 connection right side filter 22.
This utility model also includes pressure alarm 11, and described pressure alarm 11 connects gas automatic transfer valve 10.
The foreign material acting as in filtration gas of filter, pressure alarm is the effect reaching alarm.
Gas automatic transfer valve operation principle: chamber switching diaphragm in left and right is separated into two chambeies sealed against each other, under the pressure of two limit air inlets is identical, the lifting surface area utilizing switching diaphragm is different, and produced axial thrust is different.
Left oxygen cylinder interface connects left oxygen cylinder, right oxygen cylinder interface connects right oxygen cylinder, if left air inlet is first opened, open after right side inlets, so will to be subject to the axial thrust in left side bigger than the axial thrust on right side for switching diaphragm, then center valve rod drives right gasket seal, right sealing ring to move right so that right cavity is closed, so right apparatus of oxygen supply just cannot be given vent to anger, and left apparatus of oxygen supply is given vent to anger.When the gas of left oxygen cylinder runs low, pressure diminishes, and now right side inlets is for opening, and center valve rod drives left gasket seal, left sealing ring to left movement so that left cavity is closed, and now left apparatus of oxygen supply just cannot be given vent to anger, and right apparatus of oxygen supply is given vent to anger.
Left oxygen cylinder interface connects left oxygen cylinder, right oxygen cylinder interface connects right oxygen cylinder, if right air inlet is first opened, open after the air inlet of left side, so will to be subject to the axial thrust on right side bigger than the axial thrust in left side for switching diaphragm, then center valve rod drives left gasket seal, left sealing ring to left movement so that left cavity is closed, so left apparatus of oxygen supply just cannot be given vent to anger, and right apparatus of oxygen supply is given vent to anger.When the gas of right oxygen cylinder runs low, pressure diminishes, and now left side air inlet is for opening, and center valve rod drives right gasket seal, right sealing ring to move right so that right cavity is closed, and now right apparatus of oxygen supply just cannot be given vent to anger, and left apparatus of oxygen supply is given vent to anger.
The normal operation that pneumatic switching machine of the present utility model is safer relative to electromagnetic valve switching machine, does not produce any electric spark in handoff procedure, and safety is higher, can normal operation switching under disconnected state.
It should be noted that listed above is only a kind of specific embodiment of the present utility model.Obviously, this utility model is not limited to above example, it is also possible to have many deformation.
In a word, all deformation that those of ordinary skill in the art can directly derive from this utility model disclosure or associate, all it is considered as protection domain of the present utility model.
Claims (5)
1. gas automatic switching machine, it is characterised in that include left apparatus of oxygen supply, right apparatus of oxygen supply, left check valve (6), right check valve (7), three grades of decompressors (8), gas automatic transfer valve (10), oxygen output (9), described left apparatus of oxygen supply, right apparatus of oxygen supply, left check valve (6), right check valve (7) all connects gas automatic transfer valve (10), described left check valve (6), right check valve (7) all connects three grades of decompressors (8), and described three grades of decompressors (8) connect oxygen output (9), and described gas automatic transfer valve (10) includes left air inlet (31), right air inlet (32), switching diaphragm (33), center valve rod (34), left gasket seal (35), right gasket seal (36), left gas outlet (37), right gas outlet (38), described gas automatic transfer valve (10) is by switching diaphragm (33) longitudinally split one-tenth left chamber (41) and right chamber (42), described left gasket seal (35), left air inlet (31), left gas outlet (37) is all arranged in left chamber (41), described right gasket seal (36), right air inlet (32), right gas outlet (38) is all arranged in right chamber (42), and described center valve rod (34) is horizontally through switching diaphragm (33) and is connected, on described left gasket seal (35), right gasket seal (36) is all enclosed within center valve rod (34), on described left gasket seal (35), right gasket seal (36) is positioned at the both sides of switching diaphragm (33), left cavity (39) it is provided with in described left chamber (41), it is provided with right cavity (40) in described right chamber (42), described left gasket seal (35) is provided with the left sealing ring (43) for being turned on and off left cavity (39), described right gasket seal (36) is provided with the right sealing ring (44) for being turned on and off right cavity (40), described left gasket seal (35), left sealing ring (43) is positioned at left cavity (39), described right gasket seal (36), right sealing ring (44) is positioned at right cavity (40), described left air inlet (31) is connected with left cavity (39), described right air inlet (32) is connected with right cavity (40), described left cavity (39) is connected with left gas outlet (37), and described right cavity (40) is connected with right gas outlet (38).
2. gas automatic switching machine according to claim 1, it is characterized in that, described left air inlet (31) connects left apparatus of oxygen supply, described right air inlet (32) connects right apparatus of oxygen supply, described left gas outlet (37) connects left check valve (6), to valve (7) about the connection of described right gas outlet (38).
3. gas automatic switching machine according to claim 1, it is characterized in that, described left apparatus of oxygen supply includes left oxygen cylinder interface (1), left side filter (2), one-level decompressor (4), second depressurized device (5), left Pressure gauge (3), described left oxygen cylinder interface (1) connection left side filter (2), described left side filter (2) connection one-level decompressor (4), described one-level decompressor (4) connection second depressurized device (5), described left Pressure gauge (3) connection left side filter (2).
4. gas automatic switching machine according to claim 1, it is characterized in that, described right apparatus of oxygen supply includes right oxygen cylinder interface (21), right side filter (22), one-level decompressor (24), second depressurized device (25), right Pressure gauge (23), described right oxygen cylinder interface (21) connection right side filter (22), described right side filter (22) connection one-level decompressor (24), described one-level decompressor (24) connection second depressurized device (25), described right Pressure gauge (23) connection right side filter (22).
5. gas automatic switching machine according to claim 1, it is characterised in that also include pressure alarm (11), described pressure alarm (11) connects gas automatic transfer valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006890.1U CN205350444U (en) | 2016-01-05 | 2016-01-05 | Gaseous automatic switch -over machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006890.1U CN205350444U (en) | 2016-01-05 | 2016-01-05 | Gaseous automatic switch -over machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350444U true CN205350444U (en) | 2016-06-29 |
Family
ID=56172473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620006890.1U Active CN205350444U (en) | 2016-01-05 | 2016-01-05 | Gaseous automatic switch -over machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205350444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474577A (en) * | 2016-11-30 | 2017-03-08 | 杭州依技设备成套工程有限公司 | Lower negative pressure suction controller |
| CN113932149A (en) * | 2021-09-02 | 2022-01-14 | 中国航空工业集团公司沈阳飞机设计研究所 | Pressure-limiting oxygen and oxygen-enriched gas switching valve |
-
2016
- 2016-01-05 CN CN201620006890.1U patent/CN205350444U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474577A (en) * | 2016-11-30 | 2017-03-08 | 杭州依技设备成套工程有限公司 | Lower negative pressure suction controller |
| CN113932149A (en) * | 2021-09-02 | 2022-01-14 | 中国航空工业集团公司沈阳飞机设计研究所 | Pressure-limiting oxygen and oxygen-enriched gas switching valve |
| CN113932149B (en) * | 2021-09-02 | 2023-05-05 | 中国航空工业集团公司沈阳飞机设计研究所 | Pressure-limiting oxygen and oxygen-enriched gas switching valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104626207B (en) | internal pressure explosion-proof system of industrial robot | |
| CN104100739A (en) | Pneumatic control combination valve and application method thereof | |
| CN205350444U (en) | Gaseous automatic switch -over machine | |
| CN203264104U (en) | Valve core bottle valve of air fire extinguisher | |
| CN205719440U (en) | A kind of waterproof intelligent watch air tightness detection machine | |
| CN204692595U (en) | Industrial refrigeration right-angle type screw down nonreturn valve | |
| CN101701639A (en) | Secure gas self-closing valve | |
| CN202660225U (en) | Automatic inflation device for insulating power transformer | |
| CN203588053U (en) | Chemical production safety monitoring device | |
| CN104088706A (en) | Pneumatic controller for preventing gas turbine from surging and deflating | |
| CN210322204U (en) | High-low pressure air tightness test bench | |
| CN103808471A (en) | Intelligent calibration instrument for respirator | |
| CN203656297U (en) | Three-position three-way mechanical control safety valve | |
| CN208831831U (en) | A kind of multistage explosion venting valve | |
| CN106197900B (en) | Airtight somascope | |
| CN110142505A (en) | It is cut by laser route controller and system | |
| CN203719836U (en) | Oscillator airtightness test tool | |
| CN204664597U (en) | A kind of pneumatic emergency cut-off valve | |
| CN203541530U (en) | Grinder end sealing device | |
| CN214466485U (en) | Control system with sweep structure valve | |
| CN203421212U (en) | Two-position three-way stop valve | |
| CN203448058U (en) | Automatic pressure control reaction kettle | |
| CN209398876U (en) | A kind of visual diaphragm valve of leakproof | |
| CN205372077U (en) | A device for solving nuclear power plant's BOP subitem compressed air air supply for appearance | |
| CN103590786A (en) | Breakage-preventive safety device of drilling and workover rig and application method of breakage-preventive safety device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |