CN204050578U - Intellectual oxygen feed system - Google Patents
Intellectual oxygen feed system Download PDFInfo
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- CN204050578U CN204050578U CN201420471551.1U CN201420471551U CN204050578U CN 204050578 U CN204050578 U CN 204050578U CN 201420471551 U CN201420471551 U CN 201420471551U CN 204050578 U CN204050578 U CN 204050578U
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Abstract
This utility model is a kind of intellectual oxygen feed system, comprises constant voltage micro-control valve, is connected with switch air relief valve and cylinder valve body, rear end are connected with elastic rebreathing bag group in constant voltage micro-control valve front end; Constant voltage micro-control valve comprises main valve body and valve gap, an accommodating cavity is formed between main valve body and valve gap, valve rod, micro-control valve block, micro-control diaphragm and voltage stabilizing piston is provided with in accommodating cavity, the rearward end of valve rod runs through micro-control valve block successively and is connected with voltage stabilizing piston with after micro-control diaphragm, the front end of valve rod is connected with valve block, and valve block is set with pressure-stabilizing spring; In voltage stabilizing piston, be provided with micro-control valve gap, be provided with micro-control spring and micro-control spool in micro-control valve gap, micro-control spring is contained in the rearward end of micro-control spool; Be provided with demand valves in the rear end of valve gap, demand valves is connected in elastic rebreathing bag group.This utility model can make instrument extend the service time of 10%-200%, to improve the vivosphere of the personnel of being in distress to greatest extent.
Description
Technical field
This utility model belongs to oxygen-supplying technology field, refers in particular to a kind of intellectual oxygen feed system.
Background technology
As everyone knows, Present Domestic outer all oxygen rescue instrument offering oxygen way is all the mode oxygen supply of quantitative oxygen supply, and there is individual difference and respective momental difference in everyone, its oxygen consumption is also different, so be all generally set with the maximum oxygen consumption of human body to instrument setting oxygen oxygen-supplying amount, the oxygen cannotd be used up is only had to the external maintenance human body respiration pressure balance of it being discharged instrument, so just cause the waste that a lot of oxygen is unnecessary.When not increasing instrument volume, how saving oxygen to extend the service time of instrument is a large problem urgently to be resolved hurrily at present.
Summary of the invention
In order to overcome defect of the prior art, the purpose of this utility model is to provide a kind of oxygen of saving to extend the intellectual oxygen feed system of the service time of instrument, substitutes existing quantitative oxygen offering oxygen way.With dynamic offering oxygen way, oxygen consumption constantly needed for user reality provides oxygen, save every milliliter of oxygen as far as possible, instrument is extended working time (extending 10%-200%), to improve the vivosphere of the personnel of being in distress to greatest extent.
The purpose of this utility model is achieved in that intellectual oxygen feed system, comprises constant voltage micro-control valve, is connected with switch air relief valve and cylinder valve body, rear end are connected with elastic rebreathing bag group in constant voltage micro-control valve front end;
Described constant voltage micro-control valve comprises main valve body and valve gap, an accommodating cavity is formed between main valve body and valve gap, valve rod, micro-control valve block, micro-control diaphragm and voltage stabilizing piston is provided with in accommodating cavity, the rearward end of valve rod runs through micro-control valve block successively and is connected with voltage stabilizing piston with after micro-control diaphragm, the front end of valve rod is connected with valve block, and valve block is set with pressure-stabilizing spring; In voltage stabilizing piston, be provided with micro-control valve gap, be provided with micro-control spring and micro-control spool in micro-control valve gap, micro-control spring is contained in the rearward end of micro-control spool; The rear end of valve gap is provided with demand valves, and demand valves is connected in elastic rebreathing bag group;
Described elastic rebreathing bag group comprises airbag body, airbag body is horizontally arranged with some elastic, the upper end of airbag body is provided with mouthpiece, bottom is provided with tank body interface, oxygen supply valve interface and delivery valve seat, oxygen supply valve interface is connected with valve gap.
Above-mentioned valve block and pressure-stabilizing spring are arranged in main valve body.
O type circle is provided with between above-mentioned valve rod and valve body.
Above-mentioned switch air relief valve comprises switch hands wheel, switch back of the body cap, decompression piston and high pressure seat, the front end of decompression piston is screwed after penetrating switch back of the body cap and switch handwheel successively, decompression piston is set with relief spring, decompression piston is fixed on switch back of the body cap by alignment pin, described high pressure seat is arranged on the rear side of decompression piston, high pressure valve rod is provided with in high pressure seat, high pressure spool and high pressure spring, the front end of high pressure valve rod passes the front end face of high pressure seat, high pressure spool is connected with high pressure valve rod, high pressure spring is sleeved on the rearward end of high pressure spool, described switch back of the body cap is connected on cylinder valve body.
Above-mentioned relief spring and relief spring are all arranged in switch back of the body cap.
Above-mentioned high pressure seat is arranged in cylinder valve body.
Above-mentioned elastic is elastic telescopic band.
Above-mentioned mouthpiece and tank body interface are arranged on the same side of airbag body.
Above-mentioned delivery valve seat is arranged on the another side of mouthpiece.
This utility model gives prominence to compared to existing technology and useful technique effect is: this utility model provides oxygen oxygen-supplying amount according to the difference of everyone individuality and respective momental difference, the unnecessary waste of oxygen can not be caused, extend the service time (extending 10%-200%) of instrument, particularly when experience disaster, the quality time of existence is extended, to save life and the property of the personnel of being in distress to greatest extent to trapped personnel or the wounded.
Accompanying drawing explanation
Fig. 1 is the structural representation (elastic rebreathing bag group does not draw) of this utility model embodiment 1;
Fig. 2 is that the structure of Fig. 1 explodes schematic diagram;
Fig. 3 is the front view of elastic rebreathing bag group of the present utility model;
Fig. 4 is the left view of elastic rebreathing bag group of the present utility model;
Fig. 5 is that constant voltage micro-control valve structure of the present utility model explodes schematic diagram;
Fig. 6 is the structural representation (elastic rebreathing bag group does not draw) of this utility model embodiment 2;
Fig. 7 is that the structure of Fig. 6 explodes schematic diagram.
Detailed description of the invention
This utility model is further described with specific embodiment below in conjunction with accompanying drawing:
Embodiment 1: shown in figure 1-Fig. 5, intellectual oxygen feed system, comprises constant voltage micro-control valve 1, is connected with switch air relief valve 2 and cylinder valve body 3, rear end are connected with elastic rebreathing bag group 4 in constant voltage micro-control valve 1 front end;
Described constant voltage micro-control valve 1 comprises main valve body 101 and valve gap 102, an accommodating cavity is formed between main valve body 101 and valve gap 102, valve rod 103, micro-control valve block 104, micro-control diaphragm 105 and voltage stabilizing piston 106 is provided with in accommodating cavity, the rearward end of valve rod 103 runs through micro-control valve block 104 successively and is connected with voltage stabilizing piston 106 with after micro-control diaphragm 105, the front end of valve rod 103 is connected with valve block 107, and valve block 107 is set with pressure-stabilizing spring 108; In voltage stabilizing piston 106, be provided with micro-control valve gap 109, be provided with micro-control spring 110 and micro-control spool 111 in micro-control valve gap 109, micro-control spring 110 is contained in the rearward end of micro-control spool 111; The rear end of valve gap 102 is provided with demand valves 112, and demand valves 112 is connected in elastic rebreathing bag group 4;
Described elastic rebreathing bag group 4 comprises airbag body 401, airbag body 401 is horizontally arranged with some elastic, the upper end of airbag body 401 is provided with mouthpiece 402, bottom is provided with tank body interface 403, oxygen supply valve interface 404 and delivery valve seat 405, oxygen supply valve interface 404 is connected with valve gap 102.
Further, above-mentioned valve block 107 and pressure-stabilizing spring 108 are arranged in main valve body 101.
Further, O type circle is provided with between above-mentioned valve rod 103 and valve body 101.
Further, above-mentioned switch air relief valve 2 comprises switch handwheel 201, switch back of the body cap 202, decompression piston 203 and high pressure seat 204, penetrating switch back of the body cap 202 and the rear screw 205 of using of switch handwheel 201 are fixed successively in the leading section of decompression piston 203, decompression piston 203 is set with relief spring 206, decompression piston 203 is fixed on switch back of the body cap 202 by alignment pin 207, described high pressure seat 204 is arranged on the rear side of decompression piston 203, high pressure valve rod 302 is provided with in high pressure seat 204, high pressure spool 303 and high pressure spring 304, the front end face of high pressure seat 204 is stretched out in the leading section of high pressure valve rod 302, high pressure spool 303 is connected with high pressure valve rod 302, high pressure spring 304 is sleeved on the rearward end of high pressure spool 303, described switch back of the body cap 202 is connected on cylinder valve body 3.
Further, above-mentioned relief spring 206 and decompression piston 203 are all arranged in switch back of the body cap 202.
Further, above-mentioned high pressure seat 204 is arranged in cylinder valve body 3.
Further, above-mentioned elastic is elastic telescopic band 406.
Further, above-mentioned mouthpiece 402 and tank body interface 403 are arranged on the same side of airbag body 401.
Further, above-mentioned delivery valve seat 405 is arranged on the another side of mouthpiece 402.
Embodiment 2: shown in figure 3-Fig. 7, intellectual oxygen feed system, comprises constant voltage micro-control valve 1, is connected with switch air relief valve 2 and cylinder valve body 3, rear end are connected with elastic rebreathing bag group 4 in constant voltage micro-control valve 1 front end;
Described constant voltage micro-control valve 1 comprises main valve body 101 and valve gap 102, an accommodating cavity is formed between main valve body 101 and valve gap 102, valve rod 103, micro-control valve block 104, micro-control diaphragm 105 and voltage stabilizing piston 106 is provided with in accommodating cavity, the rearward end of valve rod 103 runs through micro-control valve block 104 successively and is connected with voltage stabilizing piston 106 with after micro-control diaphragm 105, the front end of valve rod 103 is connected with valve block 107, and valve block 107 is set with pressure-stabilizing spring 108; In voltage stabilizing piston 106, be provided with micro-control valve gap 109, be provided with micro-control spring 110 and micro-control spool 111 in micro-control valve gap 109, micro-control spring 110 is contained in the rearward end of micro-control spool 111; The rear end of valve gap 102 is provided with demand valves 112, and demand valves 112 is connected in elastic rebreathing bag group 4;
Described elastic rebreathing bag group 4 comprises airbag body 401, airbag body 401 is horizontally arranged with some elastic, the upper end of airbag body 401 is provided with mouthpiece 402, bottom is provided with tank body interface 403, oxygen supply valve interface 404 and delivery valve seat 405, oxygen supply valve interface 404 is connected with valve gap 102.
Further, above-mentioned valve block 107 and pressure-stabilizing spring 108 are arranged in main valve body 101.
Further, O type circle is provided with between above-mentioned valve rod 103 and valve body 101.
Further, above-mentioned switch air relief valve 2 comprises switch contact pin 501, switch cover 502, decompression nut 503, decompression piston 504 and high pressure seat 204, the leading section of decompression piston 504 is connected with switch cover 502 after stretching out the nut 503 that reduces pressure, through hole is offered at the external part of decompression piston 504, two switch steel balls 505 are provided with in through hole, described switch contact pin 501 inserts from the front end of switch cover 502 and is fastened between two switch steel balls 505, decompression piston 504 is set with relief spring 506, described high pressure seat 204 is arranged on the rear side of decompression piston 203, high pressure valve rod 302 is provided with in high pressure seat 204, high pressure spool 303 and high pressure spring 304, the front end face of high pressure seat 204 is stretched out in the leading section of high pressure valve rod 302, high pressure spool 303 is connected with high pressure valve rod 302, high pressure spring 304 is sleeved on the rearward end of high pressure spool 303, described switch back of the body cap 202 is connected on cylinder valve body 3.
Further, above-mentioned switch contact pin 501 offers groove, under normal condition, groove contacts with two switch steel balls 505.
Further, above-mentioned switch contact pin 501 is provided with switch draw ring 507.
Further, above-mentioned relief spring 506 and decompression piston 504 are all arranged in decompression nut 503.
Further, above-mentioned high pressure seat 204 is arranged in cylinder valve body 3.
Further, above-mentioned elastic is elastic telescopic band 406.
Further, above-mentioned mouthpiece 402 and tank body interface 403 are arranged on the same side (also optionally rational adjustment can be done in position) of airbag body 401.
Further, above-mentioned delivery valve seat 405 is arranged on the another side (also optionally rational adjustment can be done in position) of mouthpiece 402.
Operation principle of the present utility model: the high pressure oxygen stored by steel cylinder enters pressure maintaining valve by switch air relief valve, after pressure maintaining valve, provide a stable operating pressure to micro-control valve, micro-control valve can according to the quantity delivered of the real-time control oxygen of the pressure feedback of elastic bag group inside.
Constant voltage micro-control valve comprises pressure maintaining valve and micro-control valve, and pressure maintaining valve comprises the parts such as main valve body, valve gap, valve rod, voltage stabilizing piston, valve block, pressure-stabilizing spring; Micro-control valve comprises micro-control valve block, micro-control diaphragm, micro-control valve gap; The parts such as 10-micro-control spring and micro-control spool.
This utility model instead of original quantitative offering oxygen way, serve saving oxygen, extend the service time (extending 10%-200%) of instrument, particularly when experience disaster, the quality time of surviving has been striven for, to save life and the property of the personnel of being in distress to greatest extent to trapped personnel or the wounded.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (9)
1. intellectual oxygen feed system, is characterized in that: comprise constant voltage micro-control valve, is connected with switch air relief valve and cylinder valve body, rear end are connected with elastic rebreathing bag group in constant voltage micro-control valve front end;
Described constant voltage micro-control valve comprises main valve body and valve gap, an accommodating cavity is formed between main valve body and valve gap, valve rod, micro-control valve block, micro-control diaphragm and voltage stabilizing piston is provided with in accommodating cavity, the rearward end of valve rod runs through micro-control valve block successively and is connected with voltage stabilizing piston with after micro-control diaphragm, the front end of valve rod is connected with valve block, and valve block is set with pressure-stabilizing spring; In voltage stabilizing piston, be provided with micro-control valve gap, be provided with micro-control spring and micro-control spool in micro-control valve gap, micro-control spring is contained in the rearward end of micro-control spool; The rear end of valve gap is provided with demand valves, and demand valves is connected in elastic rebreathing bag group;
Described elastic rebreathing bag group comprises airbag body, airbag body is horizontally arranged with some elastic, the upper end of airbag body is provided with mouthpiece, bottom is provided with tank body interface, oxygen supply valve interface and delivery valve seat, oxygen supply valve interface is connected with valve gap.
2. intellectual oxygen feed system according to claim 1, is characterized in that: described valve block and pressure-stabilizing spring are arranged in main valve body.
3. intellectual oxygen feed system according to claim 1 and 2, is characterized in that: be provided with O type circle between described valve rod and valve body.
4. intellectual oxygen feed system according to claim 1, it is characterized in that: described switch air relief valve comprises switch hands wheel, switch back of the body cap, decompression piston and high pressure seat, the leading section of decompression piston is screwed after penetrating switch back of the body cap and switch handwheel successively, decompression piston is set with relief spring, decompression piston is fixed on switch back of the body cap by alignment pin, described high pressure seat is arranged on the rear side of decompression piston, high pressure valve rod is provided with in high pressure seat, high pressure spool and high pressure spring, the front end face of high pressure seat is stretched out in the leading section of high pressure valve rod, high pressure spool is connected with high pressure valve rod, high pressure spring is sleeved on the rearward end of high pressure spool, described switch back of the body cap is connected on cylinder valve body.
5. intellectual oxygen feed system according to claim 4, is characterized in that: described relief spring and decompression piston are all arranged in switch back of the body cap.
6. the intellectual oxygen feed system according to claim 4 or 5, is characterized in that: described high pressure seat is arranged in cylinder valve body.
7. intellectual oxygen feed system according to claim 1, is characterized in that: described elastic is elastic telescopic band.
8. intellectual oxygen feed system according to claim 1, is characterized in that: described mouthpiece and tank body interface are arranged on the same side of airbag body.
9. the intellectual oxygen feed system according to claim 1 or 8, is characterized in that: described delivery valve seat is arranged on the another side of mouthpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471551.1U CN204050578U (en) | 2014-08-20 | 2014-08-20 | Intellectual oxygen feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471551.1U CN204050578U (en) | 2014-08-20 | 2014-08-20 | Intellectual oxygen feed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204050578U true CN204050578U (en) | 2014-12-31 |
Family
ID=52192177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420471551.1U Withdrawn - After Issue CN204050578U (en) | 2014-08-20 | 2014-08-20 | Intellectual oxygen feed system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204050578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104147669A (en) * | 2014-08-20 | 2014-11-19 | 徐象明 | Intelligent oxygen supply system |
| CN111491698A (en) * | 2017-12-15 | 2020-08-04 | 德尔格安全股份两合公司 | Pre-flushing unit for carrying out a pre-flushing procedure in a breathing gas circuit of a circulating respirator |
-
2014
- 2014-08-20 CN CN201420471551.1U patent/CN204050578U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104147669A (en) * | 2014-08-20 | 2014-11-19 | 徐象明 | Intelligent oxygen supply system |
| CN111491698A (en) * | 2017-12-15 | 2020-08-04 | 德尔格安全股份两合公司 | Pre-flushing unit for carrying out a pre-flushing procedure in a breathing gas circuit of a circulating respirator |
| CN111491698B (en) * | 2017-12-15 | 2021-08-24 | 德尔格安全股份两合公司 | Pre-flushing unit for carrying out a pre-flushing procedure in a breathing gas circuit of a circulating respirator |
| US11738164B2 (en) | 2017-12-15 | 2023-08-29 | Dräger Safety AG & Co. KGaA | Preflushing unit for carrying out a preflushing operation in a breathing gas circuit of a closed-circuit respirator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20170524 |