CN202506013U - Air filtering respirator - Google Patents
Air filtering respirator Download PDFInfo
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- CN202506013U CN202506013U CN2012201330221U CN201220133022U CN202506013U CN 202506013 U CN202506013 U CN 202506013U CN 2012201330221 U CN2012201330221 U CN 2012201330221U CN 201220133022 U CN201220133022 U CN 201220133022U CN 202506013 U CN202506013 U CN 202506013U
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Abstract
The utility model relates to an air filtering respirator, which comprises a respiration component, an exhaust container and an exhaust tube. An exhaust hole is formed in the respiration component; exhaust liquid is filled in the exhaust container; a connecting hole is formed in a wall of the exhaust container; an external port which is connected with external air is formed in the top of the exhaust container; a port at one end of the exhaust tube is hermetically connected with the respiration component through the exhaust hole; and a port at the other end of the exhaust tube is hermetically inserted in the exhaust liquid in the exhaust container through the connecting hole. External dusty and harmful air is stopped from entering the respirator effectively, and respiration resistance of the air filtering respirator is low.
Description
Technical field
The utility model relates to health field, relates in particular to a kind of air filtration respirator.
Background technology
In the daily life; Air pollution and air quality have become the problem of people's growing interest; Especially the more occasion of dust in air such as construction place, chemical fertilizer factory, cement plant, people can select to put on the health that dust mask is protected own respiratory system; Under the situation that some accidents (like gas leakage etc.) take place, the rescue personnel puts on gas mask especially and reduces the injury of toxic gas to human body.
In the prior art, most of dust proof and gas defence face shield all adopts filter cotton or solid granular medicine to come filtered air, to improve the quality of the air in the incoming call body.Because the dust proof and gas defence face shield that adopts filter cotton or solid particle medicine to process; The air bleeding valve that mostly adopts the silica gel sheet to make is used for exhaust; The moment of air-breathing conversion (exhale with) brought the airborne dirt pernicious gas that has easily into when exhaling to the greatest extent, thereby can not reach the effect of effective obstruct air.
Further, people are when using the dust mask of processing such as the employing filter cotton, and filter cotton need cleaned or change to every use a period of time just, and are so not only inconvenient, also waste resource, and respiratory resistance are bigger, can relatively feel bad when wearing; The gas mask that and for example adopts the solid granular medicine to process need be changed the solid particle medicine in use for some time, and respiratory resistance is also bigger simultaneously.
The utility model content
The utility model provides a kind of air filtration respirator, can effectively intercept air.
In order to achieve the above object, the utility model provides a kind of air filtration respirator, comprising:
Breathe member, have steam vent on it;
Degassing container, exhaust liquid is equipped with in its inside, and has connecting hole on the wall, and the top has the external tapping that is connected with outside air;
Blast pipe, the one of which end mouth of pipe inserts said breathing member through said steam vent sealing, and the other end mouth of pipe inserts in the said exhaust liquid in the said degassing container through said connecting hole sealing.
Further, also comprise: anti-fistulae, its said external tapping sealing through said degassing container top is inserted in the said degassing container, and does not touch the said exhaust liquid in the said degassing container;
And/or,
Pipeline section place on the said blast pipe between said steam vent and said connecting hole is built-in with the second anti-catch that dabbles;
And/or,
The mouth of pipe place that inserts the said blast pipe in the said exhaust liquid is fixedly connected with second block valve;
And/or,
Said exhaust liquid in the said degassing container is water.
Further, upper the 3rd anti-catch that dabbles that is built-in with in the inner pipeline section place of said degassing container of said anti-fistulae;
And/or,
The said second anti-catch that dabbles is the dash member that the identical semicircle catch of m layer formed; M is the integer more than or equal to 2, and wherein, all said semicircle catch are placed with said blast pipe is vertical; And place all said semicircle catch spaces; And with the straight flange of nearest adjacent two the semicircle catch of said steam vent in horizontal direction, one of them circular arc limit opening upwards, Open Side Down on another circular arc limit; And in said adjacent two semicircle catch, with the circular arc limit opening of the nearest semicircle catch of said steam vent upwards, the circular arc limit of all said semicircle catch contacts with the inwall of said exhaust;
And/or,
The mode that is fixedly connected of the said blast pipe mouth of pipe in said second block valve and the said exhaust liquid of said insertion be on the said block valve a bit or one section edge that is fixedly connected on the said blast pipe mouth of pipe, make block valve described in air-breathing or the process of exhaling under the strong effect of said exhaust hydraulic pressure with the said exhaust liquid of said insertion in the blast pipe mouth of pipe close or the part disengaging.
And/or,
The said external tapping place sealing at said degassing container top is equipped with second stopper; And have on said second stopper and the big or small jack identical with shape of the cross section of said anti-fistulae, said anti-fistulae inserts in the said degassing container through the said jack sealing on said second stopper.
Further, the said the 3rd anti-catch that dabbles is the dash member that the identical fan-shaped catch of n layer formed, and n is the integer more than or equal to 2, and wherein, the central angle angle of said fan-shaped catch is 360 degree/n; All said fan-shaped catch and vertical placement of said anti-fistulae; And place all said fan-shaped catch spaces; Adjacent fan-shaped catch is with concentric three-sixth turn partially/n angle clockwise or counterclockwise, and the identical fan-shaped catch of said n layer the direction of deflection is identical successively each other.
Further, said breathing member comprises:
Filtering container, filtered fluid is equipped with in its inside, and has air admission hole and said steam vent on the wall, and the top has the breathing interface;
Air inlet pipe, the one of which end mouth of pipe places air, and the other end mouth of pipe inserts in the said filtered fluid in the said filtering container through said air admission hole sealing;
Steam hose, the one of which end inserts said filtering container through said breathing sealing joint, and does not touch said filtered fluid, other end connector nose cup, wherein, people's mouth is covered with nose said oronasal mask fully and the peripheral facial skin of mouth and nose is close at the edge.
Further, said steam hose is built-in with the first anti-catch that dabbles.
Further, the said first anti-catch that dabbles is the dash member that the identical fan-shaped catch of n layer formed, and n is the integer more than or equal to 2, and wherein, the central angle angle of said fan-shaped catch is 360 degree/n; All said fan-shaped catch are placed with said steam hose is vertical; And place all said fan-shaped catch spaces; Adjacent fan-shaped catch is with concentric three-sixth turn partially/n angle clockwise or counterclockwise, and the identical fan-shaped catch of said n layer the direction of deflection is identical successively each other.
Further, the said air inlet pipe mouth of pipe place that inserts in the said filtered fluid is fixedly connected with first block valve.
Further; The mode that is fixedly connected of the mouth of pipe of the said air inlet pipe in said first block valve and the said filtered fluid of said insertion be on the said block valve a bit or one section edge that is fixedly connected on the mouth of pipe of said air inlet pipe, make block valve described in air-breathing or the process of exhaling under the effect of said filtered fluid pressure with the said filtered fluid of said insertion in the disengaging of air inlet pipe opening part or close.
Further; The said breathing interface sealing at said filtering container top is equipped with first stopper; And have on said first stopper and the big or small jack identical with shape of the cross section of said steam hose, said steam hose inserts in the said filtering container through the said jack sealing on said first stopper;
And/or,
Said filtered fluid in the said filtering container is a water;
And/or,
Be equipped with clip on the said steam hose outer wall.
Air filtration respirator through the utility model provides can produce following good effect:
1. adopted the degassing container that exhaust liquid is housed to replace the employed air bleeding valve of similar products in the prior art in the utility model,, then in breathing transfer process, effectively blocked the entering of air because air is insoluble to exhaust liquid.
2. the filtering material that adopts in the utility model is a fluent material; Like water or other dedicated liquids (like medical thimerosal etc.), rather than filter cotton or solid granular medicine, so people are when using this air filtration respirator; Respiratory resistance is less, can unhappyly not feel bad.
3. the utility model can be realized can be used for different environment when same utensil uses different filtered fluids, thereby reaches different effects.
If only need when dustproof, this filtered fluid is that common clear water get final product, use a period of time after, when water become muddy the time, need outwell turbid water, inject common clear water and get final product, save trouble more and economize on resources.And water is to the good filtration effect of dust, as long as the dust that can be adsorbed with water or soak can both filter;
If use dedicated liquid (like medical thimerosal etc.), can filter toxic and harmful targetedly, thereby reach the effect that blocks viral courses of infection, perhaps as the medical appliance that uses between breathing problem patient convalescence etc., reach the effect of health of body.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; Below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art; Obviously, the accompanying drawing in below describing only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other embodiment and accompanying drawing thereof according to these accompanying drawing illustrated embodiments.
The structural representation of the air filtration respirator that Fig. 1 provides for the utility model;
The structural representation of the preferred embodiment of the air filtration respirator that Fig. 2 provides for the utility model;
Fig. 3 is the detailed construction figure of the first anti-catch that dabbles among Fig. 2;
Fig. 4 is the detailed construction figure of the second anti-catch that dabbles among Fig. 2.
The specific embodiment
Below will combine accompanying drawing that the technical scheme of each embodiment of the utility model is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
The utility model provides a kind of air filtration respirator, and referring to Fig. 1, this air filtration respirator comprises:
Breathe member 01, have steam vent on it;
Degassing container 4, exhaust liquid 15 is equipped with in its inside, and has connecting hole on the wall, and the top has the external tapping that is connected with outside air;
The air filtration respirator that provides through the utility model; Because the exhaust liquid that the utility model adopts degassing container and Qi Nei to be equipped with combines and is used for exhaust; Replaced air bleeding valve; Because the exhaust liquid in the degassing container can effectively block outside air and get into filtering container, in the process of expiration and air-breathing conversion, just can effectively block the external world has the dirt pernicious gas to get in the face shield like this.
Referring to Fig. 2, in the preferred embodiment of the air filtration respirator that the utility model provides, this breathing member 01 comprises:
Filtering container 1, filtered fluid 14 is equipped with in its inside, and has air admission hole and steam vent on the wall, and the top has the breathing interface;
Particularly, in the present embodiment, use the air-breathing process of this air filtration respirator expiration following:
When air-breathing, air gets in the filtered fluid 14 via air inlet pipe 2, after filtered fluid 14 filters, floats to the filtered fluid top, gets into steam hose 3;
During expiration, gas gets into filtering containers 1 by steam hose 3, swims in filtered fluid 14 tops, in the exhaust liquid 15 that gets in the degassing containers 4 via blast pipe 5, and then discharges through the external tapping at degassing container 4 tops.
In the preferred embodiment of the utility model; Adopted liquid as filtering material, be different from that common face shield adopts filter cotton or immobilized particles shape medicine as filtering material in the prior art, the people is when this air filtration respirator of use like this; Respiratory resistance is less, can unhappyly not feel bad.
Further; Rock and cause the filtered fluid 14 in the filtering container 1 to be splashed in steam hose 3 or the blast pipe 5 in order to prevent that this air filtration respirator from use producing, be placed with second in first anti-dabble catch 7 and the blast pipe 5 and prevent dabbling catch 9 so in steam hose 3, be placed with; Identical ground spills in order to prevent the exhaust liquid 15 in the degassing container 4, inserts anti-fistulae 6 at the external tapping place of degassing container 4, and in anti-fistulae 6 the built-in the 3rd anti-catch 8 that dabble.
First anti-catch 7 and/or the 3rd anti-catch 8 that dabbles of dabbling is made up of the identical fan-shaped catch of n layer, and n is the integer more than or equal to 2, and the central angle angle of this fan-shaped catch is 360 degree/n; Simultaneously, the fan-shaped catch of n layer is with steam hose or anti-fistulae is vertical places, and all fan-shaped catch spaces place, and preferable, spacing distance is between 6 millimeters to 8 millimeters.Between the adjacent fan-shaped catch; Clockwise or counterclockwise each other inclined to one side three-sixth turn/n angle with concentric; And the direction of deflection is consistent successively each other for the fan-shaped catch of n layer; Promptly be both clockwise drift and perhaps be both skew counterclockwise, when making that overlooking this first anti-catch 7 or the 3rd that dabbles prevents dabbling catch 8, the fan-shaped catch of n layer formed a complete rounded tabs.And then, splash this first anti-dabble catch 7 or exhaust liquid 15 as filtered fluid 14 and splashed for the 3rd anti-8 last times of catch that dabble, intercepted by angle by the fan-shaped catch of n layer successively, thereby reach the effect that intercepts filtered fluid 14 or exhaust liquid 15 fully.Again because have spacing distance between the fan-shaped catch of n layer, therefore exhale or air-breathing process in, gas can uncrossedly pass this first anti-catch 7 or the 3rd anti-catch 8 that dabbles of dabbling from the interval, can not cause respiratory resistance big.
In the concrete application of present embodiment, referring to Fig. 3, it is the detailed construction figure of the preferred first anti-catch 7 that dabbles; Wherein, dash area is fan-shaped catch, and a is the fan-shaped catch of ground floor; B is the fan-shaped catch of the second layer, and c is the 3rd a layer of fan-shaped catch, and d is the 4th a layer of fan-shaped catch.This first anti-catch 7 flap member that dabbles for forming by four layers of fan-shaped catch of identical an angle of 90 degrees; Wherein, Between the adjacent fan-shaped catch, with the clockwise or counterclockwise mutual deflection an angle of 90 degrees of concentric, and the direction of four layers of mutual deflection successively of fan-shaped catch is identical.
Because the structure of the 3rd anti-the dabble catch 8 and the first anti-catch 7 that dabbles is similar, so give unnecessary details no longer for example at this.
The second anti-catch B that dabbles is the dash member that the identical semicircle catch of m layer formed, and m is the integer more than or equal to 2, wherein; All m layers are semicircle, and catch is vertical with blast pipe places; And place all said semicircle catch spaces, and preferable, spacing distance is between 6 millimeters to 8 millimeters.And with the straight flange of nearest adjacent two the semicircle catch of steam vent in horizontal direction, one of them circular arc limit opening upwards, Open Side Down on another circular arc limit; And in adjacent two semicircle catch, with the circular arc limit opening of the nearest semicircle catch of steam vent upwards, the circular arc limit of all semicircle catch contacts with the inwall of blast pipe.When seeing from left to right or from right to left to second anti-when dabbling catch 9, the semicircle catch of m layer formed a complete rounded tabs.And then, splash this second anti-9 last times of catch that dabble as filtered fluid 14, intercepted by half by the semicircle catch of m layer successively, thereby reach the effect that intercepts filtered fluid 14 fully.Because have spacing distance between the semicircle catch of m layer, therefore in the process of exhaling, gas can uncrossedly pass this second anti-catch 9 that dabbles from the interval, can not cause respiratory resistance big again.
In the concrete application of present embodiment, referring to Fig. 4, it is the detailed construction figure of the preferred second anti-catch 9 that dabbles; Wherein, Dash area is semicircle catch, and e is the semicircle catch of ground floor, and f is the semicircle catch of the second layer; G is the steam vent on filtering container 1 wall among Fig. 2, and h is the connecting hole on degassing container 4 walls among Fig. 2.This second anti-catch 9 flap member that dabbles for forming by two-layer identical semicircle catch; Wherein, The straight flange of two semicircle catch in horizontal direction, and with the circular arc limit opening of the nearest semicircle catch of steam vent upwards, Open Side Down on the circular arc limit of another semicircle catch.
In the air filtration respirator that the utility model provides; In order to make the air filtration respirator reach more excellent effect; Further; Air inlet pipe 2 mouth of pipe tops in inserting filtered fluid 14 are fixedly connected first block valve 10, wherein, partial fixing be on first block valve 10 a bit or one section is fixed on air inlet pipe 2 mouths of pipe; Make in air-breathing or the process of exhaling, first block valve 10 under the effect of filtered fluid 14 pressure with insert the air inlet pipe 2 opening parts disengaging in the filtered fluid 14 or close.Preferably, this first block valve 10 is the silica gel sheet.And then, when being in, the air filtration respirator rocks situation following time, can avoid during expiration filtered fluid 14 is extruded filtering container 1 via air inlet pipe 2 mouths of pipe that insert in the filtered fluid 14, do not influence air-breathing simultaneously yet.
Correspondingly, blast pipe 5 mouth of pipe tops in inserting exhaust liquid 15 are fixedly connected second block valve 11, and wherein, the effect of connected mode and generation is identical with first block valve 10, repeats no more.Thereby, when being in, the air filtration respirator rocks situation following time, can prevent when air-breathing exhaust liquid 15 is sucked in the filtering container 1 via blast pipe 5 mouths of pipe that insert in the exhaust liquid 15, do not influence exhaust simultaneously yet.
In the embodiment of the utility model; The breathing interface sealing at filtering container 1 top is equipped with first stopper 13; Have on this first stopper 13 and the big or small jack identical of the cross section of steam hose 3, make steam hose 3 to insert filtering container 1 through the jack sealing with shape.Simultaneously; 14 use a period of times of filtered fluid in filtering container 1 and become muddy the time; Can pull out first stopper 13 of breathing interface, pour out muddy filtered fluid 14, refill new filtered fluid 14; This filtered fluid 14 can be clear water or other dedicated liquids (like medical sterilised liq etc.), so just saves trouble more and economizes on resources.And can when an air filtration respirator is only arranged, reach different effects through injecting different filtered fluid 14, when preventing dust, inject clear water and get final product as filtered fluid 14 like a needs; When filtering toxic and harmful targetedly, then inject corresponding special filtering liquid 14 like needs.
Correspondingly, external tapping place, degassing container 4 top also seals and is equipped with second stopper 12, and the purposes of this second stopper 12 is identical with first stopper 13, repeats no more at this.Wherein, Need to prove that the selection of exhaust liquid 15 does not limit, get final product so long as can block the liquid of air fully; And with filtered fluid 14 can be with a kind of liquid or different liquid, this more make this air filtration respirator make simple, be prone to realize, with low cost.
People use for ease, and in the oronasal mask 16 that the other end of steam hose 3 is tightly connected and has frenulum, this oronasal mask 16 can people's mouth be covered with nose fully and frame can be close to the peripheral facial skin of mouth and nose.Simultaneously, also be furnished with several clips on the steam hose 3,, steam hose 3 be clipped on the clothes, and then be convenient for carrying when when using this air filtration respirator.Further, carry for ease, this filtering container 1 and degassing container 4 can be placed in the knapsack that is convenient for carrying.
Need to prove; In the embodiment of the utility model, for the effect that makes this air filtration respirator reach more excellent, preferably; Air inlet pipe 2, blast pipe 5 and the pipe of anti-fistulae 6 for adopting relative hard material to process, 3 pipes of steam hose for adopting relative soft material to process.
In the embodiment of the utility model; For guaranteeing that the gas that this air filtration respirator sucks obtains through filtrate fully; Block the entering that the dirt pernicious gas is arranged of extraneous filtered fully, the connected mode in this air filtration respirator between each element is and is tightly connected.
The various embodiment that the utility model provides can make up with any-mode as required each other, and the technical scheme that obtains through this combination is also in the scope of the utility model.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also comprises these changes and modification interior.
Claims (10)
1. an air filtration respirator is characterized in that, comprising:
Breathe member, have steam vent on it;
Degassing container, exhaust liquid is equipped with in its inside, and has connecting hole on the wall, and the top has the external tapping that is connected with outside air;
Blast pipe, the one of which end mouth of pipe inserts said breathing member through said steam vent sealing, and the other end mouth of pipe inserts in the said exhaust liquid in the said degassing container through said connecting hole sealing.
2. air filtration respirator as claimed in claim 1 is characterized in that,
Also comprise: anti-fistulae, its said external tapping sealing through said degassing container top is inserted in the said degassing container, and does not touch the said exhaust liquid in the said degassing container;
And/or,
Pipeline section place on the said blast pipe between said steam vent and said connecting hole is built-in with the second anti-catch that dabbles;
And/or,
The mouth of pipe place that inserts the said blast pipe in the said exhaust liquid is fixedly connected with second block valve;
And/or,
Said exhaust liquid in the said degassing container is water.
3. air filtration respirator as claimed in claim 2 is characterized in that,
Upper the 3rd anti-catch that dabbles that is built-in with in the inner pipeline section place of said degassing container of said anti-fistulae;
And/or,
The said second anti-catch that dabbles is the dash member that the identical semicircle catch of m layer formed; M is the integer more than or equal to 2, and wherein, all said semicircle catch are placed with said blast pipe is vertical; And place all said semicircle catch spaces; And with the straight flange of nearest adjacent two the semicircle catch of said steam vent in horizontal direction, one of them circular arc limit opening upwards, Open Side Down on another circular arc limit; And in said adjacent two semicircle catch, with the circular arc limit opening of the nearest semicircle catch of said steam vent upwards, the circular arc limit of all said semicircle catch contacts with the inwall of said exhaust;
And/or,
The mode that is fixedly connected of the said blast pipe mouth of pipe in said second block valve and the said exhaust liquid of said insertion be on the said block valve a bit or one section edge that is fixedly connected on the said blast pipe mouth of pipe, make block valve described in air-breathing or the process of exhaling under the strong effect of said exhaust hydraulic pressure with the said exhaust liquid of said insertion in the blast pipe mouth of pipe close or the part disengaging;
And/or,
The said external tapping place sealing at said degassing container top is equipped with second stopper; And have on said second stopper and the big or small jack identical with shape of the cross section of said anti-fistulae, said anti-fistulae inserts in the said degassing container through the said jack sealing on said second stopper.
4. air filtration respirator as claimed in claim 3 is characterized in that, the said the 3rd anti-catch that dabbles is the dash member that the identical fan-shaped catch of n layer formed, and n is the integer more than or equal to 2, and wherein, the central angle angle of said fan-shaped catch is 360 degree/n; All said fan-shaped catch and vertical placement of said anti-fistulae; And place all said fan-shaped catch spaces; Adjacent fan-shaped catch is with concentric three-sixth turn partially/n angle clockwise or counterclockwise, and the identical fan-shaped catch of said n layer the direction of deflection is identical successively each other.
5. like each described air filtration respirator of claim 1-4, it is characterized in that said breathing member comprises:
Filtering container, filtered fluid is equipped with in its inside, and has air admission hole and said steam vent on the wall, and the top has the breathing interface;
Air inlet pipe, the one of which end mouth of pipe places air, and the other end mouth of pipe inserts in the said filtered fluid in the said filtering container through said air admission hole sealing;
Steam hose, the one of which end inserts said filtering container through said breathing sealing joint, and does not touch said filtered fluid, other end connector nose cup, wherein, people's mouth is covered with nose said oronasal mask fully and the peripheral facial skin of mouth and nose is close at the edge.
6. air filtration respirator as claimed in claim 5 is characterized in that,
Said steam hose is built-in with the first anti-catch that dabbles.
7. air filtration respirator as claimed in claim 6 is characterized in that,
The said first anti-catch that dabbles is the dash member that the identical fan-shaped catch of n layer formed, and n is the integer more than or equal to 2, and wherein, the central angle angle of said fan-shaped catch is 360 degree/n; All said fan-shaped catch are placed with said steam hose is vertical; And place all said fan-shaped catch spaces; Adjacent fan-shaped catch is with concentric three-sixth turn partially/n angle clockwise or counterclockwise, and the identical fan-shaped catch of said n layer the direction of deflection is identical successively each other.
8. air filtration respirator as claimed in claim 5 is characterized in that, also comprises:
The mouth of pipe place that inserts the said air inlet pipe in the said filtered fluid is fixedly connected with first block valve.
9. air filtration respirator as claimed in claim 8 is characterized in that,
The mode that is fixedly connected of the mouth of pipe of the said air inlet pipe in said first block valve and the said filtered fluid of said insertion be on the said block valve a bit or one section edge that is fixedly connected on the mouth of pipe of said air inlet pipe, make block valve described in air-breathing or the process of exhaling under the effect of said filtered fluid pressure with the said filtered fluid of said insertion in the disengaging of air inlet pipe opening part or close.
10. air filtration respirator as claimed in claim 5 is characterized in that,
The said breathing interface sealing at said filtering container top is equipped with first stopper; And have on said first stopper and the big or small jack identical with shape of the cross section of said steam hose, said steam hose inserts in the said filtering container through the said jack sealing on said first stopper;
And/or,
Said filtered fluid in the said filtering container is a water;
And/or,
Be equipped with clip on the said steam hose outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201330221U CN202506013U (en) | 2012-03-31 | 2012-03-31 | Air filtering respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201330221U CN202506013U (en) | 2012-03-31 | 2012-03-31 | Air filtering respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202506013U true CN202506013U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201330221U Expired - Fee Related CN202506013U (en) | 2012-03-31 | 2012-03-31 | Air filtering respirator |
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| CN (1) | CN202506013U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481863A (en) * | 2018-12-26 | 2019-03-19 | 刘瑞玲 | Gas mask is used in a kind of experiment |
| CN113287810A (en) * | 2020-02-24 | 2021-08-24 | 常向前 | Novel mask |
-
2012
- 2012-03-31 CN CN2012201330221U patent/CN202506013U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481863A (en) * | 2018-12-26 | 2019-03-19 | 刘瑞玲 | Gas mask is used in a kind of experiment |
| CN113287810A (en) * | 2020-02-24 | 2021-08-24 | 常向前 | Novel mask |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| EXPY | Termination of patent right or utility model |