CN217136908U

CN217136908U - Mask respiration risk pipe controller

Info

Publication number: CN217136908U
Application number: CN202220227556.4U
Authority: CN
Inventors: 杜正权
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-09
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a mask respiration risk pipe controller, the main body of which is a piece; the sheet has a first long side, a second long side, a first short side, and a second short side; the sheet is bent into an oval shape, so that the first short edge and the second short edge are mutually close, and the first short edge and the second short edge are bound and connected by using the elastic belt; a gap is reserved between the first short edge and the second short edge, and the length X of the elastic belt connected to the outer side of the short edge is smaller than the length Y of the elastic belt connected to the inner side of the short edge; the middle of the second long edge is provided with a deep arc part, the two sides of the deep arc part are provided with a shallow arc part and a micro arc part, sequencing is carried out according to the depth of the arc, the deep arc part is larger than the shallow arc part, and the shallow arc part is larger than the micro arc part; the second long edge is wrapped with a face attaching soft strip; the pipe accuse ware is connected with the rope in bridge of the nose department, and is sealed with pressing the seam structure in nose side and face, is applicable to and uses with supporting such as medical surgery gauze mask, can let the air completely from the gauze mask on through filter back exhalation with inhale, breathe more unobstructed comfortable, the nose does not have the sense of oppression, is applicable to the nose of different height sizes.

Description

Mask respiration risk pipe controller

Technical Field

The utility model relates to a realize guarding against dirt or better avoid the auxiliary appliance of the risk that exists in the air, more specifically, the utility model relates to a risk pipe accuse ware is breathed to gauze mask.

Background

The common medical surgical mask has low cost and can play a certain dust-quitting and bacteria-preventing role, so the common medical surgical mask is popularized and used, however, the edges of the periphery of the common medical surgical mask are not in tight contact with the face and the nose, and gaps capable of leaking air exist. In order to reduce air leakage on the side face of the mask and promote respiratory air to enter a human body or be exhaled from a filter cloth of the mask after being filtered, a pressing strip is designed at the nose bridge of a common medical surgical mask, and after the mask is worn, the pressing strip is lightly pressed to deform the pressing strip so as to achieve the purpose of fitting the nose. Although the structure reduces the leakage of gas from the side face of the mask, the mask is not in tight contact with the face of a human body, and the effect of the mask in an environment with heavy new coronavirus or dust is difficult to meet the use requirement.

In order to solve the problem, the prior art designs a plurality of masks with tight protection, but these masks all have relatively hard shell structures usually, and these structures contact with human face, and are great to facial nerve oppression power, wear the back for a long time, and red trace, the bruise blue appear in the face, especially nose bridge, obvious indentation appears easily, and in the in-process of wearing, nose bridge appears painful phenomenon usually easily. In addition, the cost of the mask with a complex structure is high, so that the mask is difficult to be applied by the ordinary people.

CN210841653U discloses a dust mask for building security protection, which effectively reduces tiredness of wearing for a long time, wherein a deformable nose clip (thin steel sheet) is used at the nose bridge part, elastic bands are designed at the left side and the right side of the dust mask, the left side and the right side of the dust mask are attached to the nose part through the deformation of the nose clip, and the dust mask is worn through the elastic bands; the elastic band is provided with filling cotton, and the main body of the mask is provided with a breather valve. Although this scheme has improved the dustproof effect of gauze mask, utilizes the cotton pressure of alleviating the elastic cord of packing, but structural design such as nose clip, elastic cord still can inhale partly dust and get into the lung under the high dirt environment so that this gauze mask has the side leakage risk, influences healthyly, and the elastic cord produces pulling force or oppression to the ear equally simultaneously, wears for a long time and leads to uncomfortable.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides an implementation of risk pipe accuse ware is breathed to the gauze mask that can solve current gauze mask is difficult to satisfy simultaneously low-cost, tight dustproof fungi-proofing, wear comfortable problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a mask breathing risk controller comprises a controller main body, wherein the controller main body is a piece; the sheet is provided with a first long side and a second long side which are opposite in position, and a first short side and a second short side which are opposite in position; the sheet is bent into an oval shape, so that the first short edge and the second short edge are close to each other, the first short edge and the second short edge are bound and connected by an elastic belt, and the elastic belt comprises an elastic belt connected to the outer side of the short edge and an elastic belt connected to the inner side of the short edge; a gap is reserved between the first short edge and the second short edge, the length of the elastic belt connected to the outer side of the short edge is X, the length of the elastic belt connected to the inner side of the short edge is Y, and the length X is smaller than the length Y; a deep arc part is arranged in the middle of the second long edge, shallow arc parts and micro arc parts are symmetrically and sequentially arranged on two sides of the deep arc part, sequencing is carried out according to the depth of an arc, the deep arc part is larger than the shallow arc part, and the shallow arc part is larger than the micro arc part; the second long edge is wrapped with a face fitting soft strip; the sheet is provided with a binding band.

Preferably, after the short side outer connecting elastic belt is fixedly connected with the first short side and the second short side, a gap is reserved between the first short side and the second short side, and the length of the short side outer connecting elastic belt in the gap is X; after the short side inner side connection elastic belt is movably connected with the first short side and the second short side, an adjustable gap is reserved between the first short side and the second short side, the length of the short side inner side connection elastic belt which can be used for adjusting the gap is Y, and X is smaller than Y.

The mask breathing risk pipe controller is characterized in that a first protruding part and a second protruding part are arranged on a second long edge of the mask breathing risk pipe controller, the protruding height of the first protruding part is smaller than that of the second protruding part, the first protruding part is located between the deep arc part and the shallow arc part, and the second protruding part is located between the shallow arc part and the micro arc part; the deep arc part is symmetrically provided with a first protruding part and a second protruding part at two sides.

The mask breathing risk pipe controller is characterized in that the outer side of the short edge of the mask breathing risk pipe controller is connected with an elastic belt and is provided with a sleeve, and the sleeve is positioned in a gap between the first short edge and the second short edge.

The respiratory risk pipe controller of the mask is characterized in that the inner side of the short edge of the respiratory risk pipe controller is connected with an elastic belt which is closer to the second long edge than the outer side of the short edge of the respiratory risk pipe controller.

The mask breathing risk pipe controller is characterized in that a short edge inner connecting hole and a short edge outer connecting hole are formed beside a first short edge, a short edge inner connecting hole and a short edge outer connecting hole are also formed beside a second short edge, the short edge inner connecting hole is close to the second long edge, and the short edge outer connecting hole is close to the first long edge; the short edge inner side connection elastic band is connected with the first short edge and the second short edge through two short edge inner side connection holes, and the short edge outer side connection elastic band is connected with the first short edge and the second short edge through two short edge outer side connection holes.

The mask breathing risk pipe controller is characterized in that at least four binding bands are arranged, and when the mask breathing risk pipe controller is bent into an oval state, the four binding bands are symmetrically fixed on the left side and the right side of the pipe controller main body in pairs.

The mask breathing risk control device is characterized in that the piece of the mask breathing risk control device is provided with a strap hole, the strap hole comprises a first strap hole, a second strap hole, a third strap hole and a fourth strap hole, and the strap correspondingly comprises a first strap, a second strap, a third strap and a fourth strap; one end of each bandage is fixed on the corresponding bandage hole, and the other end of each bandage is a free end.

The term "free end" as used herein refers to an end portion that is not connected to or secured by other components.

In order to fix one end of the binding band on the binding band hole, two binding band holes are designed for each binding band at corresponding positions of the sheets, and the binding band is connected and fixed with the binding band by penetrating through the two binding band holes through lines.

The mask breathing risk pipe controller is characterized in that the material of a binding band of the mask breathing risk pipe controller is a cotton thread or a hemp thread with non-stretching performance, and the width of the binding band is larger than or equal to 3 mm. The length of the strap is adaptively configured so that the strap can be easily tied up manually by stretching to the top of the head or the back neck.

Gauze mask respiratory risk pipe accuse ware, its facial laminating soft strip will according to its length direction fifty percent discount back for the slice soft strip the long limit of second presss from both sides in facial laminating soft strip, the length of the soft strip of facial laminating equals linear distance between the long limit both ends of second.

Gauze mask respiratory risk pipe accuse ware, its soft strip of facial laminating adopts foam, rubber or other soft wear-resisting macromolecular material to make, the soft strip of facial laminating has good deformability, can with the shape laminating on the long limit of second makes the soft strip surface of facial laminating have the undulation shape the same with the long limit of second.

The mask breathing risk pipe controller is characterized in that the pipe controller main body can be at least made of plastic. The plastic sheet is selected to have a hardness and elasticity such that the body can be bent into an oval shape with a certain degree of support and deformability.

The mask breathing risk controller has the advantages that the length (L1) of the first long edge can be 23-30cm, and the linear distance (L2) between the two ends of the second long edge can be 23-30 cm.

The mask breathing risk pipe controller is characterized in that a first short edge and a second short edge of the mask breathing risk pipe controller have equal lengths, and the length (L3) of the first short edge is 3-6 cm.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

above-mentioned pipe accuse ware mainly is applicable to and uses with dust mask, N95 gauze mask, the supporting of medical gauze mask and surgical operation, wears face at ordinary gauze mask earlier, then regards the ectoskeleton of the sealed cover of external pressure or gauze mask with the management and control ware, wears at ordinary gauze mask outsidely, loosens or adjusts ordinary gauze mask, makes it compacted by the management and control ware around it to make the elastic webbing of ordinary gauze mask and head or ear contact pine, perhaps loosen completely.

Compared with the traditional mask, the pipe controller has the opposite structural design that the nose bridge is connected by a soft rope, and the nose side and the face are sealed by a seam pressing structure. Correctly wear above-mentioned pipe accuse ware and can let the air follow the gauze mask completely on breathe out and inhale after filtering, the air is openly advanced out by the gauze mask in the management and control ware completely, breathes more unobstructed comfortable, and the nose does not have the oppression sense, and the hot-air of exhalation no longer blows face, can not blow in eyes to things such as dust in the air, and bridge of the nose vacancy department can let the nose of different height sizes all unblocked comfortable. The air is completely filtered, and the dust, virus and bacteria are better filtered. The object is small and easy to carry, and the cost is low. The controller is bent into an ellipse, the position with a gap at the upper nose bridge is fixed by an elastic belt with a sleeve of the controller, the elastic belt has tension force, the controller can be tightly attached to the face, and air does not enter into the side or leak from the side; the elastic band on the nose bridge can enable the nose bridge part of the mask to be tightly attached to the nose bridge, a pressing strip is not needed to be used for pressing the nose, the nose is enabled to be comfortable and smooth in a long-time working state, no pressing force is applied, and the situation that the nose bridge cannot be tightly attached to the nose bridge due to deformation of the nose bridge can be avoided. The air exhaled in the pipe controller is not blown to the face any more, and external dust cannot be blown into eyes. The bandage has no elasticity, is fixed by tension, and is fixed by the tension of nerves and blood vessels on the head, neck and face after being tied, so that the head can not be in the state of headache, discomfort and the like under the long-time working state.

Drawings

Fig. 1 is the utility model discloses the pipe controller main part of risk pipe controller is breathed to gauze mask expandes the structure sketch map.

Fig. 2 is the utility model discloses the pipe controller main part size of risk pipe controller is breathed to gauze mask.

Fig. 3 and 4 show the forming structure of the mask breathing risk controller of the present invention, and the positions of the short side inner side connecting elastic bands in fig. 3 and 4 are different.

Fig. 5 is the local schematic diagram of the notch of the mask breathing risk controller of the present invention, which shows the position of the short side inner side connection elastic band shown in fig. 4.

In the figure, the meanings of the respective numbers are as follows: first long limit 1, second long limit 2, first short side 3, second short side 4, first bandage hole 5, second bandage hole 6, third bandage hole 7, fourth bandage hole 8, short side outside connecting hole 9, short side inside connecting hole 10, dark arc 11, shallow arc 12, little arc 13, first bulge 14, second bulge 15, first bandage 16, second bandage 17, third bandage 18, fourth bandage 19, short side outside connection elastic band 20, short side inside connection elastic band 21, face laminating soft strip 22, sleeve pipe 23, first bandage stiff end 24, first bandage free end 25.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In order to solve the problem that current gauze mask unsatisfied high dust or dangerous bacterium, the long-time use under the virus environment, the utility model provides a risk pipe accuse ware is breathed to gauze mask, this management and control ware includes management and control ware main part, and management and control ware main part is the piece. The body of the trigger may be made of at least plastic, and the plastic sheet is selected to have a hardness that allows the trigger body to be bent into an oval shape, and to have a certain degree of support, deformability, and low cost. In addition to plastic sheets, other materials having similar properties may be used.

As shown in fig. 1 to 5, the sheet-like regulator body has first and second long sides 1, 2 opposed to each other, and first and second short sides 3, 4 opposed to each other; the length L1 of the first long side 1 may be 23-30cm and the linear distance between the two ends of the second long side 2 (i.e. the length L2 of the second long side 2) may be 23-30 cm. The first short side 3 and the second short side 4 have equal lengths, and the length L3 of the first short side 3 is 3-6 cm. The second long side 2 is a side that is attached to the face. The length of the first long side 1 and the length of the second long side 2 can be designed according to the size of the face, for example, the length of the first long side 1 and the length of the second long side 2 are both 25cm or 28 cm. Because of the first minor face 3 and the second minor face 4 of flaky management and control ware main part are not fixed to can not adjust, even if consequently under same size, the utility model discloses a different faces also can be suitable for to the management and control ware.

The flaky management and control ware main part is crooked oval-shaped, forms the user state, makes first minor face 3, second minor face 4 draw close each other, utilizes the elastic webbing to connect first minor face 3 and 4 restrictions of second minor face, and the elastic webbing includes that the minor face outside connects elastic webbing 20 and minor face inboard connection elastic webbing 21, and the minor face inboard is connected elastic webbing 21 and is more close to the long limit 2 of second than the minor face outside is connected elastic webbing 20. The captive connection of the first short edge 3 and the second short edge 4 is adjustable, by deformation of the elastic band.

A short-edge inner connecting hole 10 and a short-edge outer connecting hole 9 are formed beside the first short edge 3, a short-edge inner connecting hole 10 and a short-edge outer connecting hole 9 are also formed beside the second short edge 4, the short-edge inner connecting hole 10 is close to the second long edge 2, and the short-edge outer connecting hole 9 is close to the first long edge 1; the short side inner connecting elastic band 21 connects the first short side 3 and the second short side 4 through two short side inner connecting holes 10, and the short side outer connecting elastic band 20 connects the first short side 3 and the second short side 4 through two short side outer connecting holes 9. Because the lengths of the short side inner connecting elastic band 21 and the short side outer connecting elastic band 20 are different, the adjustable ranges are different, the short side inner connecting elastic band 21 is longer, or the elasticity is larger, and the distance between the ends of the first short side 3 and the second short side 4 close to the second long side 2 is larger. One way is to connect the both ends of the elastic band 21 to the inner side of the short edge symmetrically and fixedly on the soft strip 22 of the face fit and the flaky main body of the tube controller, to pull open the gap formed by the flaky main body of the tube controller when wearing the tube controller, to straighten the inner side of the short edge to connect the elastic band 21, and to press the inner side of the short edge to the bridge of the nose.

A gap is reserved between the first short side 3 and the second short side 4, the length of the short side outer side connecting elastic belt 20 in the gap between the first short side 3 and the second short side 4 is length X, the length of the short side inner side connecting elastic belt 21 in the gap between the first short side 3 and the second short side 4 is length Y, and the length X is smaller than the length Y; the short side inner connecting elastic band 21 can be tied on the long side attached to the nose bridge. The short side outer connecting elastic belt 20 is provided with a sleeve 23, and the sleeve 23 is positioned in the gap between the first short side 3 and the second short side 4. The sleeve 23 can be a rubber sleeve 23, and is sleeved on the short-side outside connection elastic band 20 to play a role in protecting on one hand and avoiding excessive deformation of the short-side outside connection elastic band 20 on the other hand.

As shown in fig. 2, the second long side 2 has a deep arc portion 11 in the middle, shallow arc portions 12 and micro arc portions 13 are symmetrically arranged in this order on both sides of the deep arc portion 11, and the deep arc portion 11 is larger than the shallow arc portion 12(H1 is larger than H2), and the shallow arc portion 12 is larger than the micro arc portion 13(H2 is larger than H3) in order of the arc depth. When wearing the pipe accuse ware, dark arc 11 is located human facial chin department, and shallow arc 12, little arc 13 all are located human facial salient position to according to facial protrusion degree, the radian of the dark arc 11, shallow arc 12, the little arc 13 of 2 of the long limit of design second, make when the pipe accuse ware laminating face not obviously oppress facial salient position. The second long side 2 is also provided with a first convex part 14 and a second convex part 15, the protruding height of the first convex part 14 is smaller than that of the second convex part 15, the first convex part 14 is positioned between the deep arc part 11 and the shallow arc part 12, and the second convex part 15 is positioned between the shallow arc part 12 and the micro arc part 13; the deep arc portion 11 is symmetrically provided with a first protrusion portion 14 and a second protrusion portion 15 on both sides. When the pipe controller is worn, the first protruding part 14 and the second protruding part 15 correspond to the concave part of the human face.

The second long side 2 is wrapped with a face-engaging soft strip 22. The soft strip 22 of facial laminating is according to in its length direction fifty percent discount back with the second long limit 2 clamp in the soft strip 22 of facial laminating for the slice soft strip, and the length of the soft strip 22 of facial laminating equals the linear distance between the 2 both ends of second long limit. The soft strip 22 of facial laminating adopts foam, rubber or other soft wear-resisting macromolecular material to make, and the soft strip 22 of facial laminating has good deformability, can laminate with the shape on the long limit 2 of second, makes the soft strip 22 surface of facial laminating also have the undulation shape the same with the long limit 2 of second.

The sheet-shaped controller main body is provided with a bandage. The bandage has four at least, and when the piece bent into the ellipse state, four bandages are fixed in the left and right sides of the pipe controller main part two-by-two symmetry. The sheet-shaped pipe controller main body is provided with strap holes, the strap holes comprise a first strap hole 5, a second strap hole 6, a third strap hole 7 and a fourth strap hole 8, and the straps correspondingly comprise a first strap 16, a second strap 17, a third strap 18 and a fourth strap 19; one end of all the straps (e.g., the first strap fixed end 24) is fixed to the corresponding strap aperture, and the other end of all the straps (e.g., the first strap free end 25) is a free end. In order to fix one end of the binding band on the binding band hole, two binding band holes are designed for each binding band at corresponding positions of the sheets, and the binding band is connected and fixed with the binding band by penetrating through the two binding band holes through lines. The material of the binding band is non-elastic cotton thread or hemp thread, and the width of the binding band is more than or equal to 3 mm. The length of the strap is adaptively configured so that the strap can be easily tied up manually by stretching to the top of the head or the back neck.

The using method comprises the following steps: taking a medical surgical mask as an example, firstly wearing a common mask such as a medical surgical mask on the face, then covering a control device on the mouth and nose part, namely wearing the mask outside the medical surgical mask, wherein the mouth and nose are positioned in an oval channel of a tube control device, the inner side of the short edge of the tube control device is connected with an elastic band which is closer to the nose part than the outer side of the short edge of the tube control device is connected with the elastic band, the tube control device is lightly pressed by proper pressure to adjust the matching position of the tube control device and the face to be proper, the lower part of the tube control device is tightly attached to the lower jaw, then the free ends of a first bandage and a fourth bandage are downwards wound to the back neck, the free ends of a second bandage and a third bandage are upwards stretched to the top of the head, and the binding state formed by the first bandage and the fourth bandage is crossed with the binding state formed by the second bandage and the third bandage; loosen the elastic band that medical surgery gauze mask wore in the ear, pull this elastic band from top to bottom, finely tune medical surgery gauze mask and make all be pushed down by the management and control ware around it to make medical surgery gauze mask far away a bit from the eye, afterwards, the elastic band of medical surgery gauze mask can be worn in the ear, also can not wear in the ear. When the medical surgical mask is worn, the medical surgical mask at the oval cavity of the controller can be slightly pulled, so that the distance between the medical surgical mask and the mouth-nose part is more sufficient.

Due to the matching of the shape of the face attaching soft strip and the shape of the second long edge, the face is not stressed obviously, obvious indentation and bruise do not occur even if the mask is worn for a long time, the mask can be fully attached to the face, and gas is prevented from leaking from the periphery of the mask; simultaneously the minor face outside is connected the elastic webbing and has been fixed the shape of pipe accuse ware, and the clearance of the inboard adjustable pipe accuse ware breach department of elastic webbing of connection of minor face for the pipe accuse ware adapts to different nasal parts, and does not obviously oppress the nasal part, wears for a long time, does not also appear the difficult problem of nasal part.

Although the invention has been described herein with reference to the illustrated embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure herein. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A mask respiration risk pipe controller is characterized by comprising a pipe controller main body, wherein the pipe controller main body is a piece; the sheet is provided with a first long side and a second long side which are opposite in position, and a first short side and a second short side which are opposite in position; the sheet is bent into an oval shape, so that the first short edge and the second short edge are close to each other, the first short edge and the second short edge are bound and connected by an elastic belt, and the elastic belt comprises an elastic belt connected to the outer side of the short edge and an elastic belt connected to the inner side of the short edge; a gap is reserved between the first short edge and the second short edge, the length of the elastic belt connected to the outer side of the short edge is X, the length of the elastic belt connected to the inner side of the short edge is Y, and the length X is smaller than the length Y; a deep arc part is arranged in the middle of the second long edge, shallow arc parts and micro arc parts are symmetrically and sequentially arranged on two sides of the deep arc part, sequencing is carried out according to the depth of an arc, the deep arc part is larger than the shallow arc part, and the shallow arc part is larger than the micro arc part; the second long edge is wrapped with a face fitting soft strip; the sheet is provided with a binding band.

2. The mask breathing risk controller of claim 1, wherein the second long side has a first protrusion and a second protrusion, the first protrusion having a protrusion height smaller than the protrusion height of the second protrusion, the first protrusion being located between the deep arc and the shallow arc, and the second protrusion being located between the shallow arc and the slight arc; the deep arc part is symmetrically provided with a first protruding part and a second protruding part at two sides.

3. The mask breathing risk controller of claim 1 wherein a sleeve is disposed on the elastic band connected to the outside of the short edge, the sleeve being located in the gap between the first short edge and the second short edge.

4. The mask respiratory risk controller of claim 1, wherein the short inner side connecting elastic band is closer to the second long side than the short outer side connecting elastic band.

5. The mask breathing risk controller according to claim 1, wherein a short side inner connecting hole and a short side outer connecting hole are formed beside the first short side, a short side inner connecting hole and a short side outer connecting hole are also formed beside the second short side, the short side inner connecting hole is close to the second long side, and the short side outer connecting hole is close to the first long side; the short-edge inner side connecting elastic band is connected with the first short edge and the second short edge through two short-edge inner side connecting holes, and the short-edge outer side connecting elastic band is connected with the first short edge and the second short edge through two short-edge outer side connecting holes.

6. The mask breathing risk controller according to claim 1, wherein the number of the straps is at least four, and when the sheet is bent into an oval shape, the four straps are fixed on the left and right sides of the controller body in a pairwise symmetric manner.

7. The mask respiratory risk management and control device of claim 6, wherein said sheet has strap holes comprising a first strap hole, a second strap hole, a third strap hole, a fourth strap hole, said straps comprising a first strap, a second strap, a third strap, a fourth strap, respectively; one end of each bandage is fixed on the corresponding bandage hole, and the other end of each bandage is a free end.

8. The mask respiratory risk controller according to claim 7, wherein two strap holes are designed for each strap at corresponding positions of the sheet, and the strap is connected and fixed with the strap by a line passing through the two strap holes.

9. The mask respiratory risk controller of claim 1, wherein the strap is made of non-stretch cotton or hemp thread, and the width of the strap is greater than or equal to 3 mm.

10. The mask respiratory risk tube controller according to claim 1, wherein the face-fitting soft strip is a sheet-shaped soft strip folded in half in the length direction thereof, and the second long edge is clamped in the face-fitting soft strip, and the length of the face-fitting soft strip is equal to the linear distance between the two ends of the second long edge; the soft strip of face laminating adopt foam or rubber to make, the soft strip surface of face laminating has the undulation shape the same with second long limit.