CN207851012U - A kind of foul smell, which is smelt, distinguishes nose cup - Google Patents
A kind of foul smell, which is smelt, distinguishes nose cup Download PDFInfo
- Publication number
- CN207851012U CN207851012U CN201721824191.9U CN201721824191U CN207851012U CN 207851012 U CN207851012 U CN 207851012U CN 201721824191 U CN201721824191 U CN 201721824191U CN 207851012 U CN207851012 U CN 207851012U
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- China
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- foul smell
- check valve
- breathing mask
- air vent
- smelt
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- Respiratory Apparatuses And Protective Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
It is smelt the utility model is related to a kind of foul smell and distinguishes nose cup, including breathing mask, be equipped in the front side of the breathing mask for being bonded the sticking part for smelling the person's of distinguishing face, the sticking part is elastic memory structure；It is equipped with air inlet in the rear side of the breathing mask；Further include the second check valve, air vent connector and foul smell bag, one end of the air vent connector is connect with the exhaust outlet of the foul smell bag, one end of second check valve is connect with the air inlet, the other end of second check valve is connect with the one end of the air vent connector far from the foul smell bag, and the conducting direction of second check valve is the air vent connector to the air inlet direction.The utility model has the beneficial effects that：Structure setting advantages of simple, it is easy to use, by setting breathing mask, can reuse, it is environmentally protective；Sticking part can be completely bonded with the face for smelling the person of distinguishing, air is effectively prevent to enter in breathing mask, dilute foul smell, and influence, which is smelt, distinguishes precision.
Description
Technical field
The utility model is related to smell teacher of the distinguish'sing equipment technical field more particularly to a kind of foul smell to smell and distinguish nose cup.
Background technology
Environmental monitoring personnel acquire odor polluting source exhaust and ambient air sampling and take back laboratory, smell teacher of the distinguishing by foul smell
Its odor concentration is measured by olfactory organ；It is first to be distributed to matched airbag by distribution teacher to smell to smell teacher of the distinguishing at present and hear smelly process
Teacher of the distinguishing then smells teacher of the distinguishing and distributed airbag is placed chest, while being removed on snorkel after snorkel alignment nasal cavity on airbag
Plug gently squeezes airbag with hand, smell and distinguishes and compare, and chooses and have taste airbag.The defect of way in this way is, on the one hand, by
It in snorkel and smells teacher of the distinguish'sing nasal cavity and certainly exists certain distance, cause extraneous air to enter nasal cavity, and then further dilute foul smell
(smell and distinguish that the foul smell of Shi Suowen is all to dilute according to a certain percentage) influences to smell and distinguish as a result, and smelling the gas that teacher of the distinguishing breathes out
Foul smell can be diluted into foul smell bag and influence to smell and distinguish result；On the other hand, airbag is different by the dynamics for smelling teacher of the distinguish'sing manual expression, leads
Cause gas output different.
Utility model content
Technical problem to be solved in the utility model be for smell when distinguishing at present sample gas easily by surrounding air dilution and
The uppity defect of gas output provides a kind of foul smell and smells and distinguishes nose cup.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of foul smell, which is smelt, distinguishes nose cup, including respiratory surface
Cover is equipped in the front side of the breathing mask for being bonded the sticking part for smelling the person's of distinguishing face, and the sticking part is elastic memory knot
Structure；It is equipped with air inlet in the rear side of the breathing mask；It is additionally provided with gas outlet in the rear side surface of the breathing mask, described
The first check valve is equipped at gas outlet, the conducting direction of first check valve is the lateral gas outlet side in breathing mask
To；Further include the second check valve, air vent connector and foul smell bag, one end of the air vent connector and the exhaust outlet of the foul smell bag connect
It connects, one end of second check valve is connect with the air inlet, the other end and the air vent connector of second check valve
One end far from the foul smell bag connects, and the conducting direction of second check valve is the air vent connector to the air inlet
Direction.
The utility model has the beneficial effects that：Structure setting advantages of simple, it is easy to use, by the way that breathing mask, generation is arranged
For traditional disposable plastic bowl, can reuse, it is environmentally protective；For the sticking part of elastic memory structure, can be distinguished with smelling
The fitting completely of the face of member, effectively prevent air to enter in breathing mask, dilutes foul smell, and influence, which is smelt, distinguishes precision；By being provided
Gas port, and the first check valve is set at gas outlet, for the gas for smelling the person's of distinguishing exhalation to be discharged, and extraneous air will not enter
In breathing mask；In addition, by the way that the second check valve is arranged at air vent connector, gas unidirectional is set to pass through, the gas in foul smell bag
It can enter in breathing mask, and the gas for smelling the person's of distinguishing exhalation will not enter in foul smell bag, avoid the foul smell in interference foul smell bag
Concentration, influence, which is smelt, distinguishes result；Foul smell bag is directly connected to by air vent connector and breathing mask, can be reduced foul smell and be contacted with other
The contact in face reduces the partial dilution of foul smell.
Based on the above technical solution, the utility model can also do following improvement.
Further：It is coated with equipped with anti-in the inner wall of the breathing mask, the air vent connector and second check valve
Absorbent coating.
Further：The anti-absorbent coating is polytetrafluorethylecoatings coatings.
The above-mentioned advantageous effect into two step schemes is：By the way that polytetrafluorethylecoatings coatings are arranged, can be adsorbed on to avoid foul smell
On the inner wall of breathing mask, air vent connector and the second check valve, foul smell is reduced smelling consumption during distinguishing, is reduced foul smell and is smelt and distinguishes
Error.
Further：The elastic memory structure is elastic memory colloidal silica.
The advantageous effect of above-mentioned further scheme is：Elastic memory colloidal silica is not only non-toxic and tasteless, but also with soft, high
The feature of elasticity can completely be bonded with the face for smelling the person of distinguishing, air is effectively prevent to enter in breathing mask, and influence, which is smelt, distinguishes essence
Degree.
Further：The air vent connector is being equipped with sealing ring with the junction of the foul smell bag exhaust outlet.
The advantageous effect of above-mentioned further scheme is：By the way that sealing ring is arranged, air vent connector and foul smell bag exhaust outlet are improved
The air-tightness of junction.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model breathing mask；
In attached drawing, the component names representated by each label are as follows：
1, breathing mask, 11, sticking part, 12, air inlet, 13, gas outlet, the 2, second check valve, 3, air vent connector, 4,
One check valve, 5, foul smell bag.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As depicted in figs. 1 and 2, a kind of foul smell, which is smelt, distinguishes nose cup comprising breathing mask 1, in the front side of the breathing mask 1
Equipped with for being bonded the sticking part 11 for smelling the person's of distinguishing face, the sticking part 11 is elastic memory structure；In the breathing mask 1
Rear side is equipped with air inlet 12；It is additionally provided with gas outlet 13 in the rear side surface of the breathing mask 1, is equipped at the gas outlet 13
The conducting direction of first check valve 4, first check valve 4 is lateral 13 direction of the gas outlet in breathing mask 1；Further include
Second check valve 2, air vent connector 3 and foul smell bag 5, one end of the air vent connector 3 are connect with the exhaust outlet of the foul smell bag 5,
One end of second check valve 2 is connect with the air inlet 12, the other end and the air vent connector of second check valve 2
3 far from the foul smell bag 5 one end connection, and the conducting direction of second check valve 2 be the air vent connector 3 to it is described into
12 direction of gas port.
The foul smell bag 5 is that environment monitoring samples special foul smell bag.
By the way that the second check valve 2 is arranged, gas unidirectional is set to pass through, the gas in foul smell bag 5 can enter breathing mask 1
It is interior, and the gas for smelling the person's of distinguishing exhalation will not enter in foul smell bag 5, avoid the odor concentration in interference foul smell bag 5, influence, which is smelt, distinguishes knot
Fruit.
First check valve 4 and second check valve 2 are cooling gas check valve, and concrete structure and operation principle are equal
For existing known technology, details are not described herein.
The sticking part 11 is arc-shaped structure, and the elastic memory structure is elastic memory colloidal silica.It can be according to smelling
The face contour for the person of distinguishing is adjusted, and can be bonded the face for smelling the person of distinguishing completely, prevent smell distinguish during air enter breathing
In mask 1, foul smell is diluted, influence, which is smelt, distinguishes precision.
It is coated with equipped with anti-absorption in the inner wall of the breathing mask 1, the air vent connector 3 and second check valve 2
Coating.
In the present embodiment, the anti-absorbent coating is preferably polytetrafluorethylecoatings coatings.
It carries out once smelling that the time distinguished is very short due to smelling the person of distinguishing, only breathes the primary time, to ensure to smell to distinguish accurate
Degree, it is desirable that foul smell smell distinguish during reduce consumption to the greatest extent, by setting polytetrafluorethylecoatings coatings, can be adsorbed on to avoid foul smell
Breathing mask 1, air vent connector 3, the second check valve 2 inner wall on, reduce foul smell smelling consumption during distinguishing, reduce foul smell and smell
Distinguish error.
The air vent connector 3 is being equipped with sealing ring 31 with the junction of 5 exhaust outlet of foul smell bag, by the way that sealing ring is arranged
31, improve the air-tightness of air vent connector 3 and 5 exhaust outlet junction of foul smell bag.
Specific implementation mode：Smell teacher of the distinguishing smell distinguish when, directly and breathing mask by the foul smell bag 5 equipped with sampling foul smell
Air vent connector 3 on 1 connects, and the sticking part 11 of breathing mask 1 is then covered on face, slightly firmly presses breathing mask 1, makes
It is bonded completely with face, then squeezes foul smell bag 5, foul smell is squeezed into breathing mask 1, is smelt after the completion of distinguishing, by breathing mask 1
It takes away；If smelling during distinguishing, smell teacher of the distinguishing and exhale in breathing mask, institute's exhaled gas can be discharged from gas outlet 13, subtract
The small influence for smelling teacher of the distinguish'sing exhaled gas to odor concentration.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of foul smell, which is smelt, distinguishes nose cup, it is characterised in that：Including breathing mask (1), it is equipped in the front side of the breathing mask (1)
For being bonded the sticking part (11) for smelling the person's of distinguishing face, the sticking part (11) is elastic memory structure；In the breathing mask (1)
Rear side be equipped with air inlet (12)；It is additionally provided with gas outlet (13) in the rear side surface of the breathing mask (1), in the gas outlet
(13) be equipped with the first check valve (4) at, the conducting direction of first check valve (4) be in breathing mask (1) it is lateral it is described go out
Gas port (13) direction；Further include the second check valve (2), air vent connector (3) and foul smell bag (5), one end of the air vent connector (3)
It is connect with the exhaust outlet of the foul smell bag (5), one end of second check valve (2) is connect with the air inlet (12), described
The other end of second check valve (2) is connect with the one end of the air vent connector (3) far from the foul smell bag (5), and described second
The conducting direction of check valve (2) is the air vent connector (3) to the air inlet (12) direction.
2. a kind of foul smell, which is smelt, according to claim 1 distinguishes nose cup, it is characterised in that：In the breathing mask (1), the stomata
The inner wall of connector (3) and second check valve (2) is coated with equipped with anti-absorbent coating.
3. a kind of foul smell, which is smelt, according to claim 2 distinguishes nose cup, it is characterised in that：The anti-absorbent coating is polytetrafluoroethylene (PTFE)
Coating.
4. a kind of foul smell, which is smelt, according to claim 1 distinguishes nose cup, it is characterised in that：The elastic memory structure is elastic memory
Colloidal silica.
5. a kind of foul smell, which is smelt, according to claim 1 distinguishes nose cup, it is characterised in that：The air vent connector (3) with it is described smelly
The junction of airbag (5) exhaust outlet is equipped with sealing ring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824191.9U CN207851012U (en) | 2017-12-22 | 2017-12-22 | A kind of foul smell, which is smelt, distinguishes nose cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824191.9U CN207851012U (en) | 2017-12-22 | 2017-12-22 | A kind of foul smell, which is smelt, distinguishes nose cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207851012U true CN207851012U (en) | 2018-09-11 |
Family
ID=63421969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721824191.9U Expired - Fee Related CN207851012U (en) | 2017-12-22 | 2017-12-22 | A kind of foul smell, which is smelt, distinguishes nose cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207851012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894493A (en) * | 2017-12-22 | 2018-04-10 | 武汉洪兴伟业环境科技有限公司 | A kind of foul smell, which is smelt, distinguishes nose cup |
-
2017
- 2017-12-22 CN CN201721824191.9U patent/CN207851012U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894493A (en) * | 2017-12-22 | 2018-04-10 | 武汉洪兴伟业环境科技有限公司 | A kind of foul smell, which is smelt, distinguishes nose cup |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |