CN211724431U - Self-suction type dust mask - Google Patents
Self-suction type dust mask Download PDFInfo
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- CN211724431U CN211724431U CN202020062645.9U CN202020062645U CN211724431U CN 211724431 U CN211724431 U CN 211724431U CN 202020062645 U CN202020062645 U CN 202020062645U CN 211724431 U CN211724431 U CN 211724431U
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- valve box
- valve
- mask
- suction valve
- exhalation
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Abstract
The utility model provides a from inhaling formula dust mask includes: an inspiratory exhalation valve body and a mask; the mask comprises an opening part corresponding to the mouth and the nose of the human face, a mask cavity is arranged in the mask, the opening part is arranged on one side of the mask cavity, and the inspiration and expiration valve main body is arranged in the mask cavity; the inspiration valve box and the expiration valve are arranged on the inspiration expiration valve main body and protrude out of the mask; an inhalation valve is respectively arranged on two sides of the inhalation and exhalation valve main body, and an exhalation valve is arranged on the lower side of the inhalation and exhalation valve main body. The inhalation valve is arranged on the side surface of the inhalation and exhalation valve main body, so that the influence of the outwards-protruded inhalation valve on the sight line is avoided. By arranging the two air suction valves, the air intake quantity can be improved; the exhalation valve is arranged at the lower side, so that the exhalation valve can be prevented from being blocked by dust, and the smoothness of breathing is improved. The exhalation valve is arranged at the lower side, so that the contact between the exhaled air and the glasses can be prevented, and the influence of condensed water on the sight line caused by the glasses is avoided.
Description
Technical Field
The utility model relates to a dustproof equipment technical field especially indicates a from inhaling formula dust mask.
Background
A dust mask is a necessary protective article for people in an environment with more dust. The filter is mainly used for filtering dust or harmful gas. The filter box is filled with an adsorbent or sorbent. Some of the poison filtering boxes are also provided with a filtering layer which can prevent aerosol at the same time. Some military gas masks are mainly made of activated carbon cloth, or water-resistant and oil-resistant fabrics are used as outer layers, glass fiber filter materials are used as inner layers, polyurethane foam plastics soaked with activated carbon are used as bottom layers, and temporary protection can be provided when the military gas masks are suddenly attacked by toxic gas.
A common dustproof mask is provided with an inhalation valve and an exhalation valve and is used for air intake and exhaust of the dustproof mask, but the existing dustproof mask has the problem that the arrangement position of the inhalation valve and/or the exhalation valve is unreasonable, and the sight line is influenced or the breathing is unsmooth.
SUMMERY OF THE UTILITY MODEL
The utility model provides a from inhaling formula dust mask has solved the influence sight line that dust mask exists among the prior art or has breathed the problem that smooth and easy.
The technical scheme of the utility model is realized like this:
a self-suction dustproof mask is provided, which comprises a suction and expiration valve main body and a mask;
the mask comprises an opening part corresponding to the mouth and the nose of a human face, a mask cavity is arranged in the mask, the opening part is arranged on one side of the mask cavity, and the inspiration and expiration valve main body is arranged in the mask cavity;
the inspiration valve box and the expiration valve are arranged on the inspiration expiration valve main body and protrude out of the mask;
wherein, two sides of the inspiration and expiration valve main body are respectively provided with an inspiration valve, and the lower side of the inspiration and expiration valve main body is provided with an expiration valve.
Preferably, the self-suction dustproof mask further comprises a mask;
the face guard includes the opening that corresponds with people's face oronasal, just the face guard cover is established in the outside of breathing in expiratory valve main part.
Preferably, the suction valve comprises a suction valve box, a filter element bracket, a filter element and a suction valve box cover;
the inspiration valve box protrudes out of the inspiration and expiration valve main body;
the bottom of the air suction valve box is provided with an air suction valve hole, and the top of the air suction valve box cover is covered with an air suction valve box cover;
the filter element support is arranged in the air suction valve box, the filter element is arranged on the filter element support, and the filter element is positioned on one side, facing the air suction valve box cover, of the filter element support.
Preferably, a boss is arranged on the inner side wall of the suction valve box, and the filter element support is arranged on the boss;
the air suction valve also comprises an adjusting gasket, and the adjusting gasket is arranged between the filter element and the cover of the air suction valve box.
Preferably, a first folded edge extending along the radial direction of the suction valve box cover is arranged at the edge of the bottom of the suction valve box cover;
an air suction valve box outlet is formed in the face mask, and the air suction valve box extends to the outer side of the face mask from the air suction valve box outlet;
a circle of first sealing edge protruding outwards is arranged at the outlet of the suction valve box;
the cover of the suction valve box is arranged on the suction valve box, and the first folding edge of the suction valve box cover is abutted against the first sealing edge.
Preferably, an air suction valve plate is arranged at the air suction valve hole;
and a first rib is arranged along the circumferential direction of the air suction valve hole, and the air suction valve plate is arranged on the first rib.
Preferably, the bottom of the suction valve box is provided with two suction valve holes.
Preferably, the exhalation valve comprises an exhalation valve box and an exhalation valve box cover;
the bottom of the expiratory valve box is provided with an expiratory valve hole, and the top of the expiratory valve box cover is covered with an expiratory valve box cover;
an exhalation valve box outlet is formed in the mask, and the exhalation valve box extends to the outer side of the mask from the exhalation valve box outlet;
a second folded edge extending along the radial direction of the expiratory valve box cover is arranged at the edge of the bottom of the expiratory valve box cover;
a circle of second sealing edge which protrudes outwards is arranged at the outlet of the exhalation valve box;
the expiratory valve box cover is arranged on the expiratory valve box in a covering mode, and the second folded edge of the expiratory valve box cover abuts against the second sealing edge.
Preferably, the exhalation valve hole is provided with an exhalation valve plate;
and a second rib is arranged along the circumferential direction of the exhalation valve hole, and the exhalation valve block is arranged on the second rib.
Preferably, the axis of the exhalation valve is inclined, and the bottom end of the exhalation valve is inclined toward the side away from the face.
Preferably, a wearing bracket is further arranged on the outer side of the mask.
The utility model discloses technical scheme is through setting up the inhalation valve in the side of breathing in expiratory valve main part, and the inhalation valve that can avoid the evagination causes the influence to the sight. In addition, the air inflow can be improved by arranging two air suction valves; the exhalation valve is arranged at the lower side, so that the exhalation valve can be prevented from being blocked by dust, and the smoothness of breathing is improved. The exhalation valve is arranged at the lower side, so that the contact between the exhaled air and the glasses can be prevented, and the influence of condensed water on the sight line caused by the glasses is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a self-suction type dust mask according to an embodiment of the present invention;
FIG. 2 is a schematic exploded view of a self-priming dust mask according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a mask according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an inspiratory expiratory valve main body according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a filter cartridge holder according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an adjustment gasket according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a cover of an intake valve according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of an inhalation valve according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an exhalation valve according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a fitting bracket according to an embodiment of the present invention.
Wherein:
1: an inspiratory exhalation valve body; 2: an air intake valve; 3: an exhalation valve; 4: a face mask; 5: wearing a bracket;
21: an intake valve box; 22: a filter element holder; 23: a filter element; 24: a suction valve box cover; 25: a suction valve hole; 26: adjusting the gasket; 27: a first folded edge; 28: an air suction valve plate; 29: a first rib;
31: an exhalation valve box; 32: an expiratory valve box cover; 33: an exhalation valve hole; 34: a second folded edge; 35: an exhalation valve plate; 36: a second rib;
41: an intake valve cartridge outlet; 42: a first sealing edge; 43: an exhalation valve cartridge outlet; 44: and a second sealing edge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 10, the present embodiment provides a self-suction type dust mask, which includes: an inspiratory expiratory valve body 1, an inspiratory valve 2 and an expiratory valve 3.
Wherein, two sides of the inspiration and expiration valve main body 1 are respectively provided with an inspiration valve 2, and the lower side of the inspiration and expiration valve main body 1 is provided with an expiration valve 3.
In the present embodiment, the inhalation valve 2 is disposed on the side surface of the inhalation/exhalation valve main body 1, so that the outward projecting inhalation valve 2 can be prevented from affecting the visual line. In addition, the air intake quantity can be improved by arranging two air suction valves 2; the provision of the exhalation valve 3 on the lower side can prevent the exhalation valve 3 from being clogged with dust, thereby improving the smoothness of breathing. The exhalation valve is arranged at the lower side, so that the contact between the exhaled air and the glasses can be prevented, and the influence of condensed water on the sight line caused by the glasses is avoided.
It should be noted that: the formula of pointing from inhaling among the formula dust mask, when the user wore dust mask, user's breathing was accomplished voluntarily, and dust mask only has filtered air's effect, does not have the effect of supplementary breathing.
Referring to fig. 3, the self-suction dustproof mask further comprises a face mask 4, the face mask 4 comprises an opening part corresponding to the mouth and the nose of a human face, and the face mask sleeve 4 is arranged on the outer side of the inspiration and expiration valve main body 1.
Specifically, the mask 4 has a mask cavity therein, and the opening is disposed at one side of the mask cavity and made of a flexible material. In the dust mask use, the dust mask covers the mouth nose department at the people's face, and the opening contacts with people's face, and the opening is made by flexible material, can make face guard 4 laminate with people's face more, has improved the leakproofness.
Correspondingly, the inspiration and expiration valve body 1 is of a hood-shaped structure, a cavity is formed in the inspiration and expiration valve body, an opening is formed in one end of the cavity, and the shape of the inspiration and expiration valve body 1 is set according to the shape of the mouth and the nose. The inspiration and expiration valve body 1 is arranged in the mask cavity, and the inspiration and expiration valve body 1 is connected with the mask 4 in a sealing way.
Suction valve 2
Referring to fig. 4 to 8, the suction valve 2 includes a suction valve box 21, a filter cartridge holder 22, a filter cartridge 23, and a suction valve box cover 24. The inhalation valve box 21 is arranged to protrude from the inhalation and exhalation valve main body 1.
The bottom of the suction valve box 21 is provided with a suction valve hole 25, and the top of the suction valve box cover 24 is covered with the suction valve box cover 24.
The filter element support 22 is arranged in the suction valve box 24, and the filter element 23 is arranged on the filter element support 22, and the filter element 23 is positioned on one side of the filter element support 22 facing the suction valve box cover 24.
Further, the bottom of the suction valve box 21 is provided with two suction valve holes 25, that is, the total of four suction valve holes 25 is arranged on the suction and exhalation valve main body 1, so that the air inlet resistance can be reduced, and the use comfort is improved.
The inner side wall of the air suction valve box 21 is provided with a boss, and the filter element support 22 is arranged on the boss. During assembly, the cartridge holder 22 is simply placed on the boss.
The cartridge support 22 is of a grid-type construction, i.e., the cartridge support 22 includes an annular rim, and a plurality of support beams disposed within the annular rim. The cartridge holder 22 of this structure can provide good support for the cartridge 23.
The suction valve 2 further comprises an adjusting shim 26, and the adjusting shim 26 is arranged between the filter element 23 and the suction valve box cover 24. The spacer 26 has a plurality of different thickness dimensions. The use of shims 26 of different thicknesses is optional depending on the thickness of the filter element 23.
The adjusting shim 26 is of an annular structure and has certain flexibility, the side surface of the adjusting shim 26 is attached to the side surface of the suction valve box 21, the bottom surface of the adjusting shim is abutted to the filter element 23, and the top surface of the adjusting shim is contacted with the suction valve box cover 24. After the suction valve box cover 24 is covered on the suction valve box 21, the adjusting shim 26 is deformed. The gap between the air suction valve box 24 and the air suction valve box cover 24 can be sealed, so that air can only enter the dust mask through the filter element 23.
A first folding edge 27 extending along the radial direction of the suction valve box cover 24 is provided at the bottom edge of the suction valve box cover 24. The face mask 4 is provided with an inhalation valve box outlet 41, and the inhalation valve box 21 extends from the inhalation valve box outlet 41 to the outer side of the face mask 4. A ring of first sealing edges 42 which are convex outwards are arranged at the outlet 41 of the suction valve box. The suction valve box cover 24 is covered on the suction valve box 21, and the first folding edge 27 of the suction valve box cover 24 is abutted on the first sealing edge 42.
The contact between the first folded edge 27 and the first sealing edge 42 can further improve the sealing performance between the suction valve box cover 24 and the suction valve box 21, so that air can only enter the dust mask through the filter element 23.
In addition, the section of the inhalation valve box 21 is a long waist-shaped annular structure, the inhalation valve box 21 extends from the upper end to the lower end of the inhalation/exhalation valve main body 1, and the lower end of the inhalation valve box 21 is inclined toward the side far away from the face. The suction valve box structure with the structure has a larger air inlet area and cannot influence the vision of people.
An intake valve plate 28 is disposed at the intake valve hole 25, and the intake valve plate 28 can open or close the intake valve hole 25. A first rib 29 is provided along the circumferential direction of the suction valve hole 25, and the suction valve sheet 28 is provided on the first rib 29. Specifically, the suction valve sheet 28 is disposed on the first rib 29 by means of adhesion.
Specifically, the first rib 29 is an annular structure disposed around the suction valve hole 25, and two circles of the first ribs 29 are disposed in the circumferential direction of the suction valve hole 25, and the two first ribs 29 are disposed at intervals.
The suction valve plate 28 is arranged at the suction valve hole 25 through two circles of annular convex edges, which is equivalent to that two contact surfaces exist between the suction valve plate 28 and the suction expiratory valve main body 1, when one of the two contact surfaces leaks, the other contact surface is still effective, and the sealing effect is further improved.
Expiratory valve 3
Referring to fig. 4 and 9, the exhalation valve 3 includes an exhalation valve box 31 and an exhalation valve box cover 32.
The bottom of the expiratory valve box 3 is provided with an expiratory valve hole 33, and the top of the expiratory valve box cover 32 is covered with the expiratory valve box cover 32.
The mask 4 is provided with an exhalation valve box outlet 43, and the exhalation valve box 31 extends from the exhalation valve box outlet 43 to the outside of the mask 4.
The bottom edge of the expiratory valve box cover 32 is provided with a second flange 34 extending along the radial direction of the expiratory valve box cover 32, and the outlet 43 of the expiratory valve box is provided with a ring of second sealing edge 44 protruding outwards.
The exhalation valve box cover 32 is covered on the exhalation valve box 31, and the second folded edge 34 of the exhalation valve box cover 32 abuts on the second sealing edge 44.
In the present embodiment, the second folded edge 34 and the second sealing edge 44 are in contact with each other, so that the sealing performance between the exhalation valve box cover 32 and the exhalation valve box 31 at the outlet can be improved.
The exhalation valve hole 33 is provided with an exhalation valve sheet 35, a second rib 36 is arranged along the circumferential direction of the exhalation valve hole 33, and the exhalation valve sheet 35 is arranged on the second rib 36.
Specifically, the second rib 36 is an annular structure disposed around the exhalation valve hole 33, and two circles of second ribs 36 are disposed in the circumferential direction of the exhalation valve hole 3, and the two second ribs 36 are disposed at intervals.
The expiration valve block 35 is arranged at the expiration valve hole 33 through two circles of annular ribs, which is equivalent to that two contact surfaces exist between the expiration valve block 35 and the inspiration expiration valve main body 1, when one of the two contact surfaces leaks, the other contact surface is still effective, and the sealing effect is further improved.
The exhalation valve 2 is arranged at the bottom of the inhalation exhalation valve main body 1, the axis of the exhalation valve is obliquely arranged, and the bottom end of the exhalation valve 2 is obliquely inclined towards one side far away from the face. The exhalation valve 2 with the arrangement mode can facilitate the opening and closing of the exhalation valve sheet 35, reduce the accumulation of dust at the exhalation valve 2 and improve the smoothness of exhalation.
Wearing support 5
Referring to fig. 10, the outer side of the mask 4 is also provided with a wearing bracket 5. And be connected with the fixed band wearing on support 5, the user sets up dust mask at facial through the fixed band.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A self-suction type dust mask is characterized by comprising: an inspiratory exhalation valve body and a mask;
the mask comprises an opening part corresponding to the mouth and the nose of a human face, a mask cavity is arranged in the mask, the opening part is arranged on one side of the mask cavity, and the inspiration and expiration valve main body is arranged in the mask cavity;
the inspiration valve box and the expiration valve are arranged on the inspiration expiration valve main body and protrude out of the mask;
wherein, two sides of the inspiration and expiration valve main body are respectively provided with an inspiration valve, and the lower side of the inspiration and expiration valve main body is provided with an expiration valve.
2. The self-priming dust mask according to claim 1, wherein the air suction valve comprises an air suction valve box, a filter element bracket, a filter element and an air suction valve box cover;
the inspiration valve box protrudes out of the inspiration and expiration valve main body;
the bottom of the air suction valve box is provided with an air suction valve hole, and the top of the air suction valve box cover is covered with an air suction valve box cover;
the filter element support is arranged in the air suction valve box, the filter element is arranged on the filter element support, and the filter element is positioned on one side, facing the air suction valve box cover, of the filter element support.
3. The self-priming dust mask according to claim 2, wherein a boss is provided on the inner sidewall of the suction valve box, and the filter element holder is provided on the boss;
the air suction valve also comprises an adjusting gasket, and the adjusting gasket is arranged between the filter element and the cover of the air suction valve box.
4. The self-priming dust mask according to claim 2, wherein a first folded edge extending along the radial direction of the cover of the suction valve box is provided at the bottom edge of the cover of the suction valve box;
an air suction valve box outlet is formed in the face mask, and the air suction valve box extends to the outer side of the face mask from the air suction valve box outlet;
a circle of first sealing edge protruding outwards is arranged at the outlet of the suction valve box;
the cover of the suction valve box is arranged on the suction valve box, and the first folding edge of the suction valve box cover is abutted against the first sealing edge.
5. The self-priming dust mask according to claim 2, wherein an air suction valve plate is provided at the air suction valve hole;
and a first rib is arranged along the circumferential direction of the air suction valve hole, and the air suction valve plate is arranged on the first rib.
6. The self-priming dust mask according to claim 2 or 5, wherein the bottom of the suction valve box is provided with two suction valve holes.
7. The self-priming dust mask of claim 1 wherein said exhalation valve comprises an exhalation valve box and an exhalation valve box cover;
the bottom of the expiratory valve box is provided with an expiratory valve hole, and the top of the expiratory valve box cover is covered with an expiratory valve box cover;
an exhalation valve box outlet is formed in the mask, and the exhalation valve box extends to the outer side of the mask from the exhalation valve box outlet;
a second folded edge extending along the radial direction of the expiratory valve box cover is arranged at the edge of the bottom of the expiratory valve box cover;
a circle of second sealing edge which protrudes outwards is arranged at the outlet of the exhalation valve box;
the expiratory valve box cover is arranged on the expiratory valve box in a covering mode, and the second folded edge of the expiratory valve box cover abuts against the second sealing edge.
8. The self-priming dust mask according to claim 7, wherein the exhalation valve hole is provided with an exhalation valve sheet;
and a second rib is arranged along the circumferential direction of the exhalation valve hole, and the exhalation valve block is arranged on the second rib.
9. The self-priming dust mask according to claim 1, wherein the axis of the exhalation valve is inclined and the bottom end of the exhalation valve is inclined toward the side away from the face.
10. The self-priming dust mask according to claim 1, wherein a wearing bracket is further provided on the outer side of the mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020062645.9U CN211724431U (en) | 2020-01-13 | 2020-01-13 | Self-suction type dust mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020062645.9U CN211724431U (en) | 2020-01-13 | 2020-01-13 | Self-suction type dust mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211724431U true CN211724431U (en) | 2020-10-23 |
Family
ID=72880667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020062645.9U Active CN211724431U (en) | 2020-01-13 | 2020-01-13 | Self-suction type dust mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211724431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693318A (en) * | 2021-09-06 | 2021-11-26 | 尚善堂生物科技河北有限公司 | Functional mask |
-
2020
- 2020-01-13 CN CN202020062645.9U patent/CN211724431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693318A (en) * | 2021-09-06 | 2021-11-26 | 尚善堂生物科技河北有限公司 | Functional mask |
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