CN2178539Y - Compression release valve of respirator - Google Patents
Compression release valve of respirator Download PDFInfo
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- CN2178539Y CN2178539Y CN 94202838 CN94202838U CN2178539Y CN 2178539 Y CN2178539 Y CN 2178539Y CN 94202838 CN94202838 CN 94202838 CN 94202838 U CN94202838 U CN 94202838U CN 2178539 Y CN2178539 Y CN 2178539Y
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Abstract
The utility model relates to a compression release valve of a respirator. The utility model comprises a valve body, a piston cylinder body, a gasometric filtering mechanism, a high pressure gas cavity body, a regulating valve stem mechanism, a high pressure aerating joint, a joint of a low pressure gas meter, a medium pressure gas automatic regulating and sealing mechanism, and a low pressure gas automatic regulating mechanism. Excess pressure and returning pressure can not be generated when the utility model is supplied with gas under constant voltage. The utility model has the advantages of the accuracy of reading a pressure meter, safe use, small size and long service life. The carry and the use are very convenient when a special high pressure steel bottle with small size is matched. The compression release valve of a respirator is not limited to the use in clinic and in an emergency, and is widely used for departments, such as medical treatment, disease treatment, mines, fire protection and rescue, and tasks under shallow seawater.
Description
This utility model relates to a kind of air relief valve, a kind of breathing apparatus air relief valve of more specifically saying so.
The respiratory organ air relief valve that generally uses in the present hospital, body is bigger, be contained on the big oxygen cylinder, it is very inconvenient to use, and because outwards its gas can not be self-styled during air feed, the overbottom pressure back pressure of generation usually makes the distortion of Pressure gauge inner septum adjust blood pressure sheet again, pointer does not recover original position, the pressure reading distortion.Therefore, the security reliability of this valve is poor, and service life is also shorter, and only limits to use when clinical emergency treatment.
The purpose of this utility model provides a kind of overbottom pressure back pressure that do not produce when constant pressure air feeding, pressure gauge reading is accurate, the novel respiratory organ air relief valve that the safe and reliable life-span is long.
This utility model is implemented like this, it comprises valve body, piston/cylinder, gasometry filter mechanism, high pressure gas cavity and regulating valve stem mechanism, high-pressure aerated interface, low pressure gas meter interface, the spigot joint grade of giving vent to anger also have by in calm the anger cavity and medium pressure gas regulate self-styled mechanism and low pressure gas cavity and the automatic governor motion of low-pressure gas automatically.In the cavity of calming the anger be to be combined into by being threaded by one and half cavitys on valve body top and one and half cavitys of piston/cylinder middle and lower part.In calm the anger the lower device regulating piston of cavity and the level pressure primer spring that is complementary with it, the intracavity upper unit has the seal valve seat of annular seal space top gas channels mouth and the press seal spring that is complementary with it, thereby has constituted the automatic governor motion of medium pressure gas.The low pressure gas cavity is positioned at the centre on piston/cylinder top, regulating valve stem on this chamber and the cavity wall and the regulating spring that is complementary thereof and pressure amplitude piece, and the seal valve between the mesolow air cavity has constituted the automatic governor motion of low-pressure gas.
The respiratory organ air relief valve of this function admirable, its body is little, is equipped with special high pressure small size steel cylinder, carry and use all very convenient.It is not limited to use in clinical emergency treatment, can also be widely used in departments such as medical therapy, mine fire-fighting rescue and shallow sea underwater performance.
Fig. 1 has provided the theory structure sectional side elevation of this utility model valve.Labelling 1 is a valve body among the figure; 2 is gas channels; 3 is the regulating valve stem in the high pressure gas cavity; 4 is high voltage adjusting valve rod pressure amplitude piece; 5 is the regulating piston in the medium pressure gas chamber; 6 is the medium pressure gas chamber; 7 is piston/cylinder; 8 is the press seal spring; 9,10 is two low pressure modulating valve bars; 11 is regulating spring; 12 is low pressure modulating valve bar pressure amplitude piece; 13 is the low pressure filter block; 14 for pressing screwed pipe; 15 is the high pressure admission chamber; 16 was the gas throttle block; 17 is heavy pressure gas chamber; 18 is that high-pressure aerated interface also is a high pressure gas meter interface; 19 is the level pressure primer spring; 20 is the valve seat of seal valve; 21 is the valve rod of seal valve; 22 is low pressure gas meter interface; 23 is the low pressure gas meter; 24 is the low pressure gas body cavity; 25 is spigot joint for giving vent to anger.
Find out that by Fig. 1 this utility model is to calm the anger by valve body 1, piston/cylinder 7, gasometry filter mechanism, high pressure gas cavity 17 and regulating valve stem mechanism, in quantitatively that cavity 6 and gas are regulated self-styled mechanism, low pressure gas cavity 24 and the automatic governor motion of gas, low pressure gas meter interface 22 automatically, high-pressure aerated interface 18(also is the high pressure gauge interface) and formation such as the transition of giving vent to anger spigot joint 25.
There is a high pressure gas cavity 17 at the middle part of valve body 1.Intracavity is equipped with high voltage adjusting valve rod 3, by the pressure amplitude piece 4 of this valve rod it is compressed, and forms high pressure gas cavity and regulating valve stem mechanism.Between the inlet chamber 15 of high pressure gas cavity 17 and gasometry filter mechanism, there is a gas channels 2 to communicate.
In the cavity bottom in midair on valve body 1 top and the valve body surface position between the high pressure gas cavity 17, high-pressure aerated interface 18 is arranged, and having the gas channels that leads to 17 of high-pressure chambers at the bottom of gas channels and the chamber to be connected, this interface 18 is not only as to pneumatic inflation, or the interface of high pressure gas meter.
The piston/cylinder 7 that on valve body 1, installs, wherein, down the position is a downward opening cavity in midair, the cavity in midair of the similar valve body of shape 1 upper end, it matches with the cavity in midair on valve body 1 top, has constituted the cavity 6 of calming the anger in quantitative.The top, chamber has gas channels upwards to be connected with the low pressure gas cavity 24 on piston/cylinder 7 tops.
Calm the anger in this Lower Half of cavity 6, the level pressure primer spring 19 that regulating piston 5 is housed and is complementary with it.Regulating piston 5 shapes are similar to high lower limb wineglass, and piston 5 " cup lower limb " places in the internal layer cavity of valve body 1 upper end, and level pressure primer spring 19 places the outer cavity interior 5 of valve body 1 upper end.Regulating piston 5 bottoms have 4 symmetric gas channels from table to the lining, and 5 central axis places converge into one in regulating piston, and directly pass through the piston top along this axis.And in the calm the anger first half of cavity 6, the seal valve seat 20 of the cavity top gas channels of calming the anger in the sealing and the press seal spring 8 that is complementary with it are housed.Calm the anger in so just having constituted quantitatively cavity and gas is regulated self-styled mechanism automatically.
Low pressure gas cavity 24 is positioned at the centre on piston/cylinder 7 tops, and it is a cylinder chamber of directly passing through piston/cylinder 7 tops.Intracavity has sealed valve stem 21, and it passes following gas channels, on the seal valve seat 20 at cavity 6 tops of calming the anger in being contained in.
Two gas channels are arranged on low pressure gas cavity 24 sidewalls.Article one, traverse cylinder body 7 and be connected with low-pressure meter interface 22, another horizontal gas channels, with connect one of cylinder surface in midair the chamber be connected.Intracavity is equipped with a regulating valve stem 10, and regulating spring 11 is equipped with at its two ends, and this valve rod 10 crosses on the wall of chamber back one gas channels and stretches into low pressure gas cavity 24, and the spherical head of the sealed valve stem 21 in the alignment cavity.This is chamber and interior accessory thereof in midair, and the pressure amplitude piece 12 with regulating valve stem 9 is housed compresses it by being threaded, and pressure amplitude piece 12 the insides are chambeies in midair that an end connects, and the other end then has only a jack.The regulating valve stem 9 of intracavitary unit, its valve seat are pressed on the regulating spring 11, and valve rod has then passed the jack on the pressure amplitude piece 12.Like this, by the pressure amplitude piece 12 that regulating valve stem 9 is housed, the cylinder chamber of the regulating spring 11 that regulating valve stem 10 is housed and is complementary with it, low pressure gas cavity 24, and in, the seal valve between the low pressure air cavity (valve seat 20 in the calm the anger top mouth in chamber 6, and sealed valve stem 21 is at low pressure gas cavity 24) constituted low pressure air cavity and the automatic governor motion of gas.The top of cylinder body 7 is spigot joint for the transition of giving vent to anger, and it includes the low pressure filter block 13 and the dress that are contained on the low pressure air cavity 24 top mouths and gives vent to anger spigot joint 25 with what screw thread screwed thereon.
It also have by in the cavity 6 of calming the anger, intracavity lower device regulating piston 5 and the level pressure primer spring 19 that is complementary with it, the seal valve seat 20 of annular seal space top gas channels mouth and the press seal spring 8 that is complementary with it are equipped with in intracavity top, and the medium pressure gas that constitutes is regulated self-styled mechanism automatically and by low pressure gas cavity 24, the cylinder chamber of the regulating spring 11 that regulating valve stem 10 is housed and is complementary with it, the pressure amplitude piece 12 of regulating valve stem 9 is housed and is arranged in, seal valve between the low pressure air cavity (seal valve seat 20 in the calm the anger top mouth in chamber 6, sealed valve stem 21 is in low pressure air cavity 24) and the automatic governor motion of low-pressure gas that constitutes.
Operation principle of the present utility model is as follows:
This respiratory organ air relief valve is contained on the steel cylinder, regulating valve stem 3 in the adjustment high pressure air cavity of turning left, make on this chamber, after following two gas channels are got through, high pressure gas in the steel cylinder is through gas throttle block 16, gas channels 2, during entering, high pressure gas cavity 17 and top passage thereof calm the anger at the bottom of the chamber, again through several symmetrical gas channels of relief piston 5 bottoms, converge in the piston central passage at last, the cavity 6 of calming the anger in being entered by piston top mouth is inflated for air cavity, at the bottom of the pressure of the quantitative medium pressure gas that charges into forces piston 5 to drop to the chamber, 4 this moments of high-pressure gas circuit channel outlet below having blocked through high pressure gas cavity 17 and regulating valve stem and in the calm the anger hypotensive effect of cavity 6 and piston, can be the gas (200Kg/cm of 20MPa in the steel cylinder
2), in the intracavity of calming the anger be adjusted to 0.8-1.3MPa.
Touch regulating valve stem 9, compressing regulating spring 11, impel regulating valve stem 10 contacts and compressing sealed valve stem 21, seal valve seat 20 tilts, in calm the anger chamber top mouthful crack, medium pressure gas enters low-pressure cavity 24, gas in the chamber is constantly increased, air pressure is cumulative then to force valve rod 10 to reset to certain value, and sealed valve stem 21 breaks away from the contact of valve rod 10, also recovered original position, in the calm the anger gas of cavity 6 stop to enter low pressure gas cavity 24, the quantitative gas that charge in the low pressure gas cavity 24 this moment, its pressure is adjustable in the 0-0.8MPa scope.At last, the gas in the low pressure gas cavity 24 just directly uses by spigot joint 25, and so forth after low pressure filter block 13 filters.
Since in calm the anger in the cavity 6 gases can be self-styled and be not detained residual gas in the low pressure gas cavity 24, do not make the pressure gauge reading distortion so can not produce the overbottom pressure back pressure.This respiratory gas air relief valve uses both safe and reliable, and is convenient, flexible again, and service life is long again.If the low pressure gas meter pulled down at seam loads onto a medicine bottle, disease medicine is directly sprayed in the low pressure gas cavity 24, then by this respiratory organ air relief valve in the past in the person's windpipe drug delivery to reach the purpose of curing the disease.
As embodiment, accompanying drawing 2 has provided the structure sectional side elevation of a kind of respiratory organ air relief valve of this utility model, among the figure:
Air relief valve length overall 105mm, the 15mm steel cylinder of packing into wherein, the actual part that appears is 90mm, wherein, the long 45mm of valve body has 15mm to go into bottle, appears part 30mm and is 30 * 27mm hexahedron shape; The piston/cylinder partial shape is φ 33, long 50mm Cylinder.The spigot joint long 15mm that is that gives vent to anger on the piston/cylinder, the part (being valve base) that the Cylinder of φ 25mm, valve body insert steel cylinder adopts M18 * 1.5 threaded connections, and the high pressure admission chamber is threaded with M10 * 1 with pressing screwed pipe, presses screwed pipe air inlet φ 5mm; In the calm the anger ratio of its large tracts of land of regulating piston and small size in the chamber be 12.4:1, air pressure is than being 20MPa:1.3MPa, throughput is 28.8 liters/minute.The level pressure primer spring is φ 18 * 25 * φ 3 * 6.2; The press seal spring is φ 9 * 15 * φ 0.8 * 7; Secondary pressure spring φ 6 * 10 * φ 0.8 * 5.
Whole material is the 1Cr18Ni9Ti rustless steel.
Sealing member adopts the floride-free nontoxic withstand voltage standard component GB standard of oil resistant.
The steel cylinder mouth adopts the metallic hard envelope.
Claims (5)
1, a kind of respiratory organ air relief valve, it is characterized in that it comprises valve body (1), piston/cylinder (7), the gasometry filter mechanism, high pressure gas cavity (17) and regulating valve stem mechanism, high-pressure aerated interface (18), low pressure gas meter interface (22), the cavity (6) of calming the anger in also comprising, medium pressure gas is regulated self-styled mechanism and low pressure gas cavity (24) and the automatic governor motion of low-pressure gas automatically, medium pressure gas is regulated self-styled mechanism automatically mainly by the regulating piston (5) of the interior lower device in chamber (6) and the level pressure primer spring (19) that is complementary with it, press seal spring (8) formation that chamber (6) internal upper part is equipped with the seal valve seat (20) of annular seal space top gas channels mouth and is complementary with it, the automatic governor motion of low-pressure gas is mainly by low pressure gas cavity (24), the cylinder chamber of the regulating spring (11) that regulating valve stem (10) is housed and is complementary with it, the pressure amplitude piece of regulating valve stem (9) is housed and is arranged in, seal valve between the low pressure air cavity, its seal valve seat (20) is at the top mouth of middle air pressure cavity (6), and sealed valve stem (21) is in low pressure gas cavity (24) and constitute.
2, respiratory organ air relief valve as claimed in claim 1 is characterized in that valve body (1) and piston/cylinder (7) form one by being threaded.
3, respiratory organ air relief valve as claimed in claim 1 or 2, calm the anger the bottom of cavity (6) in it is characterized in that in the upper end of valve body (1), it is the opening inside and outside two-layer cavity in midair up that a coaxial double-layer cylinder forms, the inner layer cavity wall is shorter than outer, in calm the anger the top of cavity (6) in piston/cylinder (7), lower cavity, the Lower Half of shape and cavity (6) is similar, but its opening down.
4, respiratory organ air relief valve as claimed in claim 1, the shape of the regulating piston (5) in the cavity (6) of it is characterized in that calming the anger is similar to high lower limb wineglass, " the cup lower limb " of regulating piston (5) places in the internal layer cavity of valve body (1) upper end, and level pressure primer spring (19) places in the outer cavity of valve body (1) upper end.
5, as claim 1 or 4 described respiratory organ air relief valve, it is characterized in that the bottom of regulating piston (5) has 4 symmetric gas channels from table to the lining, the central axis place converges into one in regulating piston (5), and directly passes through piston (5) top along this axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94202838 CN2178539Y (en) | 1994-02-02 | 1994-02-02 | Compression release valve of respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94202838 CN2178539Y (en) | 1994-02-02 | 1994-02-02 | Compression release valve of respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2178539Y true CN2178539Y (en) | 1994-10-05 |
Family
ID=33822500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94202838 Expired - Fee Related CN2178539Y (en) | 1994-02-02 | 1994-02-02 | Compression release valve of respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2178539Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101642598A (en) * | 2008-08-05 | 2010-02-10 | 北京谊安医疗系统股份有限公司 | Airway pressure relief valve |
| CN103157163A (en) * | 2011-12-19 | 2013-06-19 | 杭州新颖氧舱有限公司 | Piston type hand and t-branch pipe integrated breathing adjuster |
| CN104329498A (en) * | 2014-09-29 | 2015-02-04 | 山西虹安科技股份有限公司 | Portable positive pressure automatic resuscitator pressure reduction device |
| CN104491963A (en) * | 2014-12-18 | 2015-04-08 | 佛山市顺德区奥能电工器材有限公司 | Oxygen supply apparatus with quick charging function |
| CN104491964B (en) * | 2014-12-18 | 2018-01-09 | 广东顺德奥能光电科技股份有限公司 | Oxygen supply with decompression |
| CN108758037A (en) * | 2018-08-14 | 2018-11-06 | 江苏华燕船舶装备有限公司 | A kind of breathing combination valve |
-
1994
- 1994-02-02 CN CN 94202838 patent/CN2178539Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101642598A (en) * | 2008-08-05 | 2010-02-10 | 北京谊安医疗系统股份有限公司 | Airway pressure relief valve |
| CN101642598B (en) * | 2008-08-05 | 2012-12-12 | 北京谊安医疗系统股份有限公司 | Airway pressure relief valve |
| CN103157163A (en) * | 2011-12-19 | 2013-06-19 | 杭州新颖氧舱有限公司 | Piston type hand and t-branch pipe integrated breathing adjuster |
| CN104329498A (en) * | 2014-09-29 | 2015-02-04 | 山西虹安科技股份有限公司 | Portable positive pressure automatic resuscitator pressure reduction device |
| CN104491963A (en) * | 2014-12-18 | 2015-04-08 | 佛山市顺德区奥能电工器材有限公司 | Oxygen supply apparatus with quick charging function |
| CN104491963B (en) * | 2014-12-18 | 2017-02-22 | 广东顺德奥能光电科技股份有限公司 | Oxygen supply apparatus with quick charging function |
| CN104491964B (en) * | 2014-12-18 | 2018-01-09 | 广东顺德奥能光电科技股份有限公司 | Oxygen supply with decompression |
| CN108758037A (en) * | 2018-08-14 | 2018-11-06 | 江苏华燕船舶装备有限公司 | A kind of breathing combination valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |