CN103285536A - Breathing valve and breathing mask both with gas switching function - Google Patents
Breathing valve and breathing mask both with gas switching function Download PDFInfo
- Publication number
- CN103285536A CN103285536A CN2013101908989A CN201310190898A CN103285536A CN 103285536 A CN103285536 A CN 103285536A CN 2013101908989 A CN2013101908989 A CN 2013101908989A CN 201310190898 A CN201310190898 A CN 201310190898A CN 103285536 A CN103285536 A CN 103285536A
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- breather valve
- valve
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- valve body
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 38
- 239000011159 matrix material Substances 0.000 claims description 42
- 238000007789 sealing Methods 0.000 claims description 6
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 43
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a breathing valve and a breathing mask both with a gas switching function. The breathing valve comprises a breathing valve base body with an inner hole, a valve body with an inner hole, a first elastic element, a shaft sleeve, a button, a second elastic element and at least one positioning element. At least one axial vent groove is formed in the inner-hole wall of the breathing valve base body. The valve body is sleeved in the breathing valve base body and has an outer end face. At least one first groove and one second groove are formed in the inner-hole wall of the valve body, and are sequentially arranged along the axial direction of the valve body. The first elastic element is arranged between the breathing valve base body and the valve body. The shaft sleeve is fixedly connected with the breathing valve base body and sleeved in the valve body. At least one positioning hole is formed in the shaft sleeve. The button is sleeved inside the shaft sleeve, and a key groove is formed in the button. The second elastic element is arranged between the button and the shaft sleeve. At least one positioning element is correspondingly arranged in the positioning holes. The positioning elements are correspondingly arranged in the key groove, the positioning holes and the first grooves when being disposed at a first position, and are correspondingly arranged in the key groove, the positioning holes and the second grooves when being disposed at a second position, so that the valve body is opened or closed relatively to the base body.
Description
Technical field
The present invention relates to a kind of valve and breathing apparatus, relate in particular to a kind of bottle valve and have the face shield of this bottle valve.
Background technology
Since the birth seventies in last century, air respiratorresuscitator has experienced so far nearly 40 years updated and develops, it is perfect that its properties of product are tending towards gradually, it is applicable to that mainly fire-fighting, chemical industry, boats and ships, oil, smelting, factories and miness, laboratory etc. locate, and makes that fireman or rescue personnel can put out a fire safely under the adverse circumstances that are full of dense smoke, poison gas, steam or anoxic, rescue and relief work and rescue.General air respiratorresuscitator product be furnished with afford a wide field of vision, become clear, airtight good full facepiece mask, feeder is furnished with that volume is less, in light weight, the novel steam supply valve of stable performance; Select the higher high-quality gas cylinder of high strength backboard and safety coefficient for use; Relief valve unit is equipped with the residual gas alarm, in the storage pressure scope of regulation, can send audible signal to the wearer, reminds the user of service in time to withdraw the scene, is to be engaged in rescue and relief work, the desirable personal protective device of fire extinguishing operation.Although in recent years, home and overseas has carried out the correlation technique improvement makes air respiratorresuscitator possess above-mentioned functions, and service time, weak point was the shortcoming place of air respiratorresuscitator maximum all the time, also was that one of problem of solution is needed in this field badly.
As everyone knows, can be by the gas cylinder rated pressure that increases air respiratorresuscitator or the service time that gas cylinder gas storage volume prolongs air respiratorresuscitator, but taking such mode, realizing having certain difficulty on the one hand technically, can increase extra manufacturing expense on the other hand.If can be under the situation that environmental condition allows, the environment for use air reduces unnecessary gas cylinder gas, by the mutual switching between " breathing environment air " and " breathing the gas cylinder air ", can increase the service time of gas cylinder usefulness gas to a certain extent.
Summary of the invention
The object of the present invention is to provide a kind of breather valve with gas handoff functionality, this breather valve is opened when external environment is not comtaminated can introduce surrounding air, when external environment is contaminated, close, make breathing apparatus can be transformed into gas cylinder gas, to realize the mutual switching of surrounding air and gas cylinder air.
In order to reach the foregoing invention purpose, the invention provides a kind of breather valve with gas handoff functionality, it comprises:
One breather valve matrix, it has endoporus, offers the air channel of at least one axial trend on the inner hole wall of described breather valve matrix;
One has the valve body of endoporus, it is sheathed in the described breather valve matrix, described valve body has is located at the outer outer face of breather valve matrix, has at least one first groove and one second groove on the inner hole wall of described valve body, and this first groove and second groove set gradually along the axial direction of valve body;
One first flexible member is located between breather valve matrix and the valve body, to apply axial force;
One axle sleeve, it is fixedlyed connected with described breather valve matrix, and is sheathed in the valve body, has at least one locating hole on the described axle sleeve;
One button, it is sheathed in the described axle sleeve, and described button is provided with a keyway;
One second flexible member, it is located between described button and the axle sleeve, to apply axial force;
At least one setting element, correspondence is located in the described locating hole, described setting element is in a primary importance correspondence is located at keyway, locating hole and first groove, described setting element is in a second place correspondence is located at keyway, locating hole and second groove, so that described valve body is opened with respect to the breather valve matrix or closure.
Setting element in the breather valve with gas handoff functionality of the present invention switchably is in two diverse locations, when steel ball is in primary importance, be that keyway, locating hole and first groove are when being in same position in the radial direction, first flexible member applies an axial force to valve body makes breather valve open away from the breather valve matrix, make surrounding air enter breathing apparatus from the air channel of being located on the matrix; When steel ball is in the second place, be that keyway, locating hole and second groove are when being in same position in the radial direction, valve body overcomes the axial force of first flexible member and is close to the breather valve matrix makes breather valve close, in this state, the breathing apparatus that breather valve is connected to is connected with the gas cylinder air, realizes that source of the gas switches.
The breather valve that the technical program is described to have a gas handoff functionality is in the course of the work: when needs are opened breather valve, press button, button overcomes second flexible member to its axial force that applies and constantly close axle sleeve lower end, in this process, the setting element of being located in the axle sleeve locating hole can enter in the keyway of button, at button further near in the process of axle sleeve lower end, the button push setting element forces it to cross projection between first groove and second groove, enter in first groove, this moment, compressed first flexible member discharged, apply an axial force to valve body, make valve body open with respect to the breather valve matrix; When needs are closed breather valve, press the valve body of opening, valve body is in the constantly close process of breather valve matrix lower end, make setting element cross the projection between first groove and second groove, enter second groove from first groove, this moment, valve body overcame first flexible member to its axial force that applies, and valve body is with respect to breather valve matrix closure.
Further, locating hole and setting element in the breather valve with gas handoff functionality of the present invention are three, evenly arrange along the circumferential direction of axle sleeve.Locating hole and be set to three equably corresponding to the setting element of locating hole can guarantee the stability of this detent mechanism work so largely with the setting of lesser amt.
Further, above-mentioned setting element is ball type device, and the cell wall of above-mentioned first groove, second groove and keyway all has the gradient.Adopting spherical setting element and have the groove of the gradient and being equipped with of keyway, is more smooth and easy when setting element is switched between primary importance and the second place, reduces the generation of breather valve clamping stagnation situation.
Advantageously, be provided with a sealing ring between the outer face of above-mentioned valve body and the breather valve matrix.Obtain better sealing effectiveness by set up potted component in the seal interface.
Alternatively, above-mentioned axle sleeve is fixedlyed connected by screw thread with the breather valve matrix.Preferably, above-mentioned first flexible member and second flexible member all adopt spring.
Correspondingly, the present invention also aims to provide a kind of breathing mask with gas handoff functionality, this breathing mask can utilize surrounding air when external environment is clean, when external environmental, use the gas cylinder air, to make things convenient for the user can breathe the gas cylinder air again by the breathing environment air, reduce the use amount in the gas cylinder air unit interval, increased the service time of gas cylinder air.
Breathing mask with gas handoff functionality of the present invention, it comprises that face shield body and at least one have the breather valve of structure mentioned above, breather valve is fixed on the face shield body.
Further, above-mentioned breather valve matrix is fixedly arranged on the face shield body by the matrix nut.
Further, breathing mask is provided with two above-mentioned breather valves.
Breather valve of the present invention is in two diverse locations by the control setting element and realizes cutting out and opening of this valve, and is simple in structure, easy to operate.
Compare with breathing mask of the prior art, breathing mask of the present invention has the gas handoff functionality, makes it can realize the mutual conversion of " surrounding air " and " gas cylinder air " two kinds of breathing states, has effectively utilized surrounding air; Under the situation that can breathe the external environment air, do not waste the gas cylinder Compressed Gas, reduce the use amount of Compressed Gas in the unit interval, improved the utilization rate of Compressed Gas in the gas cylinder, prolonged the service time of compressed gas cylinder.
Description of drawings
Fig. 1 is the breather valve with gas handoff functionality of the present invention vertically structural profile view under a kind of embodiment.
Fig. 2 is the structural representation of breather valve matrix in the breather valve with gas handoff functionality shown in Figure 1.
Fig. 3 is the structural representation of button in the breather valve with gas handoff functionality shown in Figure 1.
Fig. 4 is the structural representation of breathing mask under a kind of embodiment with gas handoff functionality of the present invention.
The specific embodiment
Below will reach Figure of description according to a particular embodiment of the invention breather valve and the breathing mask with gas handoff functionality of the present invention is further described, but this explanation does not constitute improper restriction of the present invention.
As shown in Figure 1 to Figure 3, the breather valve 10 that has the gas handoff functionality in the present embodiment comprises: have the breather valve matrix 11 of endoporus, offer six air channels 12 that in axial direction extend within it on the hole wall; Similarly, valve body 13 also has endoporus, and valve body 13 is sheathed in the breather valve matrix 11, and valve body 13 has radially outer outer face, it is located at outside the breather valve matrix 11, and the inner hole wall of valve body 13 is provided with first groove 131 of the annular that sets gradually on the axial direction and second groove 132 of annular; One end end of axle sleeve 14 and breather valve matrix 11 are fixedlyed connected by screw thread, are sheathed on simultaneously in the valve body 13, evenly are provided with three locating holes 141 along the circumferential direction of axle sleeve 14, also are provided with corresponding with it steel ball 142 in locating hole 141; Be provided with first spring 16 that applies axial force between breather valve matrix 11 and the valve body 13; The outer circumference surface that is sheathed on the button 15 in the axle sleeve is provided with the keyway 151 of annular; Be provided with second spring 17 that applies axial force between button 15 and the axle sleeve 14; Wherein, steel ball has two different fixed positions in breather valve, when being in primary importance, it is located in keyway 151, locating hole 141 and first groove 131 accordingly, so that valve body leaves the breather valve matrix, makes breather valve open, when being in the second place, it is located in keyway 151, locating hole 141 and second groove 132 accordingly, so that valve body is close to the breather valve matrix, makes breather valve close.
For the good sealing effectiveness of the valve that ensures respiration, can also between the outer face of valve body and breather valve matrix, sealing ring 18 be set.Sealing ring can adopt the shape that is complementary with valve body, can adopt conventional O RunddichtringO in the present embodiment.
In addition, the cell wall of first groove 131, second groove 132 and keyway 151 all has certain gradient.This setup can be difficult for producing clamping stagnation so that steel ball is when moving between first groove and second groove.
Continue to consult Fig. 1 to Fig. 3, breathing mask in the present embodiment is dropped in the rescue work, before not entering rescue site, for the breathing environment air, the user presses button 15, along with button 15 in axial direction is moved to the left, steel ball 142 enters in the keyway 151 of button 15, and along with button further is moved to the left, steel ball 142 slips in first groove 131, and this moment, compressed first spring 16 discharged, and applied an axial force to valve body 13, make valve body 13 open with respect to breather valve matrix 11, surrounding air is via breathing for the user in the air channel 12 input breathing masks that are arranged on the breather valve matrix 11.After entering rescue site, in order to breathe the gas cylinder air, the user presses opened valve body 13, valve body 13 in axial direction is moved to the left, and steel ball 142 is crossed the projection between first groove 131 and second groove 132, slips in second groove 132, this moment, valve body 13 overcame first spring 16 to its axial force that applies, make valve body 13 with respect to breather valve matrix 11 closures, forbid switching to the gas cylinder air feed to satisfy user's respiratory protection demand in the surrounding air input breathing mask.
Fig. 4 has shown the breathing mask that is provided with the said structure breather valve.
As shown in Figure 4, breather valve 10 is fixedly arranged on the face shield body 19 by the cooperation of breather valve matrix 11 and matrix nut.In Fig. 4, only shown the breather valve 10 that install in the left side, but in actual use, in the both sides of face shield body 19 breather valve has been installed respectively, can make more outside air enter in the breathing mask, take full advantage of surrounding air.
It should be noted that above cited embodiment only is specific embodiments of the invention.Obviously the present invention is not limited to above embodiment, and similar variation thereupon or distortion are that those skilled in the art can directly draw or be easy to and just associate from content disclosed by the invention, all should belong to protection scope of the present invention.
Claims (9)
1. the breather valve with gas handoff functionality is characterized in that, this breather valve comprises:
One breather valve matrix, it has endoporus, offers the air channel of at least one axial trend on the inner hole wall of described breather valve matrix;
One has the valve body of endoporus, it is sheathed in the described breather valve matrix, described valve body has is located at the outer outer face of breather valve matrix, has at least one first groove and one second groove on the inner hole wall of described valve body, and this first groove and second groove set gradually along the axial direction of valve body;
One first flexible member is located between breather valve matrix and the valve body, to apply axial force;
One axle sleeve, it is fixedlyed connected with described breather valve matrix, and is sheathed in the valve body, has at least one locating hole on the described axle sleeve;
One button, it is sheathed in the described axle sleeve, and described button is provided with a keyway;
One second flexible member, it is located between described button and the axle sleeve, to apply axial force;
At least one setting element, correspondence is located in the described locating hole, described setting element is in a primary importance correspondence is located at keyway, locating hole and first groove, described setting element is in a second place correspondence is located at keyway, locating hole and second groove, so that described valve body is opened with respect to the breather valve matrix or closure.
2. have the breather valve of gas handoff functionality according to claim 1, it is characterized in that, described locating hole and setting element are three, evenly arrange along the circumferential direction of axle sleeve.
3. the breather valve with gas handoff functionality as claimed in claim 1 is characterized in that, described setting element is ball type device, and the cell wall of described first groove, second groove and keyway all has the gradient.
4. the breather valve with gas handoff functionality as claimed in claim 1 is characterized in that, is provided with a sealing ring between the outer face of described valve body and the breather valve matrix.
5. the breather valve with gas handoff functionality as claimed in claim 1 is characterized in that, described axle sleeve is fixedlyed connected by screw thread with the breather valve matrix.
6. the breather valve with gas handoff functionality as claimed in claim 1 is characterized in that, described first flexible member and second flexible member are spring.
7. breathing mask with gas handoff functionality, it comprises: face shield body and at least one as any described breather valve among the claim 1-6, described breather valve is fixed on the described face shield body.
8. breathing mask as claimed in claim 7 is characterized in that, described breather valve matrix is fixedly arranged on the described face shield body by the matrix nut.
9. breathing mask as claimed in claim 7 is characterized in that, described breather valve is set to two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190898.9A CN103285536B (en) | 2013-05-22 | 2013-05-22 | Breathing valve and breathing mask both with gas switching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190898.9A CN103285536B (en) | 2013-05-22 | 2013-05-22 | Breathing valve and breathing mask both with gas switching function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103285536A true CN103285536A (en) | 2013-09-11 |
| CN103285536B CN103285536B (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310190898.9A Active CN103285536B (en) | 2013-05-22 | 2013-05-22 | Breathing valve and breathing mask both with gas switching function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103285536B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623822A (en) * | 2013-11-13 | 2015-05-20 | 抚顺市亚龙安全防护装备厂 | Breathing change-over valve of full face mask |
| CN110694191A (en) * | 2019-11-13 | 2020-01-17 | 上海鹰格安防设备有限公司 | Mask bypass atmosphere device and fire-fighting air respirator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2615484Y (en) * | 2003-03-08 | 2004-05-12 | 钮静江 | Air respirator cylinder valve |
| CN1879911A (en) * | 2005-06-13 | 2006-12-20 | 新广业股份有限公司 | Respiratory mask |
| US7686017B2 (en) * | 2001-06-01 | 2010-03-30 | Taylor Shane S | Fluid flow control valve |
| CN203264077U (en) * | 2013-05-22 | 2013-11-06 | 上海宝亚安全装备有限公司 | Breather valve with gas switching function and breathing mask |
-
2013
- 2013-05-22 CN CN201310190898.9A patent/CN103285536B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7686017B2 (en) * | 2001-06-01 | 2010-03-30 | Taylor Shane S | Fluid flow control valve |
| CN2615484Y (en) * | 2003-03-08 | 2004-05-12 | 钮静江 | Air respirator cylinder valve |
| CN1879911A (en) * | 2005-06-13 | 2006-12-20 | 新广业股份有限公司 | Respiratory mask |
| CN203264077U (en) * | 2013-05-22 | 2013-11-06 | 上海宝亚安全装备有限公司 | Breather valve with gas switching function and breathing mask |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623822A (en) * | 2013-11-13 | 2015-05-20 | 抚顺市亚龙安全防护装备厂 | Breathing change-over valve of full face mask |
| CN104623822B (en) * | 2013-11-13 | 2018-01-30 | 抚顺市亚龙安全防护装备厂 | Full facepiece mask breathes switching valve |
| CN110694191A (en) * | 2019-11-13 | 2020-01-17 | 上海鹰格安防设备有限公司 | Mask bypass atmosphere device and fire-fighting air respirator |
| CN110694191B (en) * | 2019-11-13 | 2024-06-04 | 上海鹰格安防设备有限公司 | Mask bypass atmospheric device and fire control air respirator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103285536B (en) | 2015-04-15 |
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Address after: 201206 Shanghai city Pudong New Area jinzang Road No. 258 building 4 room 406 Patentee after: SHANGHAI BAOYA SAFETY EQUIPMENT CO.,LTD. Address before: 201206 Shanghai city Pudong New Area jinzang Road No. 258 building 4 room 406 Patentee before: SHANGHAI BAOYA SAFETY EQUIPMENT Co.,Ltd. |
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