CN212280027U - Nose mask with replaceable filter material - Google Patents

Abstract

The utility model discloses a removable type nose gauze mask of filtering material, including self-adaptation laminating system, filtration system and wearing fixed system, self-adaptation laminating system and filtration system form nose gauze mask main part, and nose gauze mask main part covers the oronasal part of wearer, and the periphery and the laminating of wearer's skin of self-adaptation laminating system, middle oronasal corresponds department and forms the filtration system fixed part, and filtration system can dismantle to fix at the filtration system fixed part. The utility model has the advantages that the filtering material of the filtering system has small using area, and the filtering material of the filtering system can be replaced, thereby improving the repeated use efficiency of other parts except the filtering layer and reducing the cost of the mask; the self-adaptive fitting system has reasonable structural design, avoids dislocation under the condition that the mouth or the jaw is opened and closed to move up and down when a wearer makes a conversation, causes exhalation leakage and external gas invasion, and has the advantages of simple operation, comfortable wearing, excellent and reliable filtering and the like.

Description

Nose mask with replaceable filter material

Technical Field

The utility model relates to a labor protection articles for use and medical health articles for use field, concretely relates to nose and mouth cover of removable filtering material.

Background

The mask is widely applied to the fields of life and medical treatment, the filtering material is used in the mask, and the filtering material of most of the existing masks is fixedly connected with other parts of the mask, so that the filtering material cannot be replaced, and the mask is discarded after being used once, thereby causing unnecessary waste; although the filter material of some masks can be replaced, the area of the filter material is almost equivalent to the area of the mask main body, the core part and the main cost of the mask are the filter material, the raw material supply of the mask filter system in the market is very tight, the main raw material is not fully utilized and is inefficiently used to a great extent (the invalid area is too large), the great waste of social resources is caused, and other parts except the filter layer of the mask can be sterilized by water boiling and alcohol, so that the main body can be repeatedly used. In addition, the existing mask is easy to generate the dislocation of the wearing position when the mouth is opened and closed or the jaw is moved up and down during wearing, particularly during the conversation of a wearer, the dislocation of the wearing position can cause the leakage of breath and the invasion of external air, the use efficiency of the filter material is greatly reduced, and the mask is equivalent to the fact that a user is exposed to the moving environment (danger), and the effective protection effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's defect, providing a saving type, removable filtering material, repeatedly usable's nose gauze mask, this gauze mask material replacement is convenient, and the comfort level is high, airtight effectual.

The technical scheme of the utility model is that: the nose mask comprises a self-adaptive attaching system, a filtering system and a wearing and fixing system, wherein the self-adaptive attaching system and the filtering system form a nose mask main body, the nose mask main body covers the mouth and nose parts of a wearer, the periphery of the self-adaptive attaching system is attached to the skin of the wearer, a filtering system fixing part is formed at the position corresponding to the middle mouth and nose, and the filtering system is detachably fixed at the filtering system fixing part; the wearing and fixing system is arranged on the left side and the right side of the self-adaptive fitting system and is made of a strip-shaped telescopic material.

The self-adaptive fitting system forms a contour according to the basic shapes of the face and the nose of a human body, is made of flexible materials and becomes thinner gradually from the fixing position of the filtering system to the peripheral edge. The self-attaching system main body has the function of framework support by controlling the wall thickness of the flexible material, and the edge of the self-attaching system main body obtains a larger deformation foundation, so that the nose mask and the face are attached more easily.

The self-adaptive laminating system extends around to form a U-shaped structure, and the U-shaped structure is an outer U-shaped structure or an inner U-shaped structure.

The filtering system comprises a sealing cover and a filtering layer, the filtering layer is positioned on the inner side of the sealing cover, and the sealing cover is matched with a filtering system fixing part of the self-adaptive laminating system to fix the filtering layer at the fixing part of the self-adaptive laminating system

The middle of the sealing cover is high, and the periphery of the sealing cover is low.

The connection mode of the sealing cover and the self-adaptive laminating system can adopt connection modes such as buckles, screw threads, slide connection, interference fit and the like.

The wearing fixing system is fixed with the self-adaptive fitting system through the linking part.

The inner side surfaces of the other parts of the self-adaptive fitting system except the periphery are not contacted with the skin of a wearer; the surface on the inside of the filter system is not in contact with the skin of the wearer.

The self-adaptive fitting system forms blocking wings at the nose part and at two sides of the nose part.

The utility model has the advantages that the filtering system of the nose mask only covers the mouth and the nose, the using area of the filtering material is small, the filtering material of the filtering system can be replaced, the repeated use efficiency of other parts except the filtering layer is improved, and the cost of the mask is reduced; the flexible material is used, the modeling structure design of the joint of the flexible material and the face is combined with the basic characteristics of the facial profile of the nose and mouth area of a human body, and the problems that when a wearer makes a conversation, the mouth is opened and closed or the jaw moves up and down, the dislocation is generated, the exhalation leakage and the external gas invasion are caused are avoided, so that the functions of simple operation, comfortable wearing and excellent and reliable filtering of the user are realized.

Drawings

Fig. 1 is a schematic view of a replaceable nose and mouth mask structure of the filtering material of the present invention.

Fig. 2 the utility model discloses the filter material removable type nose mask wears the sketch map.

Fig. 3 is a partial top view of a in fig. 1.

Fig. 4 and 5 are partial longitudinal sectional views of B in fig. 2.

Fig. 6 is a cross-sectional view of the replaceable nose and mouth mask of the filtering material of the present invention.

Fig. 7 is a front view of the closure.

Fig. 8 is a cross-sectional view of the closure.

FIG. 9 is a schematic view of the structure of the filter layer, wherein (a) is a front view and (b) is a cross-sectional view.

FIG. 10 is a front view of the adaptive fit system.

Fig. 11, 12 and 13 are cross-sectional views of a self-adaptive fitting system.

The self-adaptive joint system comprises a self-adaptive joint system 1, a filtering system fixing part 11, a 111 clamping table, a 111a clamping surface, a 112 bearing surface, a 113 accommodating groove, a 12 joint edge, a 13 connecting hole, a 14 blocking wing, a 15 outer U shape, a 16 inner U shape, a 2 filtering system, a 21 sealing cover, a 211 handheld part, a 212 support, a 213 ventilating part, a 214 fixing part, a 215 clamping table, a 22 filtering layer, a 3 wearing and fixing system, a 4 connecting part and a 5 nose part which are sunken.

Detailed Description

The utility model discloses removable type nose gauze mask of filter material, including self-adaptation laminating system 1, filtration system 2 and wearing fixed system 3, self-adaptation laminating system 1 and filtration system 2 form nose gauze mask main part, nose gauze mask main part covers the oronasal part of the wearer, and the periphery of self-adaptation laminating system 1 forms laminating limit 12 and laminates with the skin of the wearer, and middle oronasal corresponding department forms filtration system fixed part 11, and filtration system 2 can be dismantled and fix in filtration system fixed part 11, lies in the oronasal part of the wearer after wearing, plays the filtering action to the gas of incoming call exhalation, blocks the droplet; the wearing fixture system 3 is provided on both left and right sides of the fitting system 1, and is formed of a band-shaped stretchable material.

The self-adaptive fitting system 1 forms a contour according to the basic shapes of the face and the nose of a human body, is made of flexible materials, and becomes thinner gradually from the fixing position of the filtering system 2 to the peripheral edge, as shown in fig. 11, H1, H2, H3, H4 and H5 respectively represent different positions in a cross-sectional view, the wall thickness of the filtering system 2 is gradually increased and the wall thickness of the filtering system 2 is gradually thinned, the wall thickness of the filtering system is gradually thinned near the edge, the self-adaptive fitting system 1 body has the function of framework support through controlling the wall thickness of the flexible materials, the middle part cannot be contacted with a wearer when the self-adaptive fitting system is worn, the filtering system fixing part 11 is formed at the position corresponding to the mouth and the nose, the fitting edge 12 is formed on the. The flexible material of the self-adaptive laminating system 1 can be selected from elastic materials such as silica gel, rubber, latex, elastic foaming, TPU, elastic engineering plastics, leather, synthetic leather (PU) and the like. In order to improve the optimal fit of adaptive fit system 1 to the face of the user, in addition to selecting a suitable flexible material, this may be accomplished by designing the structure of adaptive fit system 1 itself. In the first structure, as shown in fig. 5 and 13, the attaching system extends to form an outer U-shaped structure 15 at the attaching edge 12, the U-shaped structure is located at the outer side of the face contact surface, the elastic deformation space range of the attaching edge 12 is enlarged due to the U-shaped design, and the attaching effect is better. In the second configuration, as shown in fig. 4 and 12, the fitting system extends to form an inner U-shaped 16 structure at the fitting edge 12, i.e. the U-shaped structure is located at the inner side of the face contact surface, the inner U-shaped 16 structure can increase the deformability of the fitting system, and the inward-folded structure makes the mask smaller and more beautiful.

The respirator is easy to leak air at the nose bridge and two sides of the nose bridge, and the nose bridge is not safe in protection due to exhalation leakage, and can cause glasses of a user wearing the glasses to fog, so that the sight is influenced, and the safety and the comfort of the respirator are reduced. In this embodiment, the blocking wings 14 are formed on both sides of the nose portion of the adaptive fitting system 1, as shown in fig. 3, the blocking wings 14 conform to the adaptive fitting system 1, the concave portion 5 of the nose portion of the mask is also correspondingly concave, the blocking wings 14 have elastic deformability, the nose of a user has height difference, a skeleton system designed by using a 3D technology can adapt to most people, when the basic shape with too large difference cannot be perfectly adapted, the blocking wings 14 are malleable in the direction perpendicular to the face and in the direction toward the nose bridge, when the nose is high, the blocking wings 14 are completely unfolded and sealed, when the nose is short, the blocking wings 14 are slightly unfolded and even compressed, sealing fitting is maintained, and the sealing effect and reliability at the nose bridge can be improved.

The utility model discloses a filtration system 2 includes closing cap 21 and filter layer 22, and filter layer 22 is located closing cap 21 inboard, and closing cap 21 can be fixed with filter layer 22 and self-adaptation laminating system 1 after 11 fixed with the filtration system fixed part of self-adaptation laminating system 1, makes filtration system 2 become a whole with self-adaptation laminating system 1, the function of performance gauze mask. The filtering capability of gauze mask is realized through filter layer 22, also is the prime cost of ordinary gauze mask, the utility model discloses well filter layer 22 only covers effective filtration position, and not covers whole gauze mask main part, has practiced thrift filtering material, dismantles simultaneously closing cap 21 and can replace filter layer 22, further practices thrift social resource, has reduced user's total use cost.

The connection between the cover 21 of the filtering system 2 and the filtering system fixing portion 11 of the adaptive fitting system 1 is various, such as snap connection, screw connection, slide connection, interference fit, etc., and the shape of the cover 21 may be various, such as any geometric shape, such as a circle, an ellipse, a square, a rectangle, a polygon, an irregular polygon, etc. The present embodiment provides a connection manner between the cover 21 and the adaptive attachment system 1, referring to fig. 6, fig. 7, fig. 8, fig. 10 and fig. 12, the filter system fixing portion 11 of the adaptive attachment system 1 is adapted to the structure of the cover 21, a support 212 is formed around the cover 21, a ventilation portion 213 is formed inside the support 212, the middle of the ventilation portion 213 is high, the periphery is low, the gas permeation area is increased, and effective gas is ensured to pass through; the fixing part 214 is formed at the front edge of the inner side of the bracket 212 of the cover 21, the clamping table 215 is arranged on the cover 21 at the outer side of the fixing part 214, and the handheld part 211 is further arranged on the cover 21, so that the cover 21 can be assembled and disassembled conveniently. The filtering system fixing part 11 on the self-adaptive laminating system 1 mainly comprises a clamping table 111 and a bearing surface 112, an accommodating groove 113 is formed between the clamping table 111 and the bearing surface 112, the bearing surface 112 supports the filtering layer 22, the clamping table 215 of the sealing cover 21, the fixing part 214 and the edge of the filtering layer 22 are all positioned in the accommodating groove 113, the clamping table 215 is matched with the clamping surface 111a of the clamping table 111 to fix the sealing cover 21 on the filtering system fixing part 11, the fixing part 214 on the sealing cover 21 extrudes the filtering layer 22 to fix the filtering layer 22 on the bearing surface 112, rapid assembly between the filtering system 2 and the self-adaptive laminating system 1 is realized, and only the sealing cover 21 needs to be disassembled during replacement, so.

The utility model discloses wear fixing system 3 and set up in the left and right sides of self-adaptation laminating system 1, form by banded elasticity material, fix nose mask at ear or head. The connection fixing mode between the wearing fixing system 3 and the mask main body in the embodiment is split, and the wearing fixing system 3 and the self-adaptive fitting system 1 are fixed through the linking part 4. The adaptive fitting system 1 may be provided with a connection hole 13 to connect and fix the belt-shaped stretchable material with the fixing system 3.

The utility model discloses a nose gauze mask structural design is reasonable, and the filter layer 22 area among the filtration system 2 is little, and is removable, effective material saving, and self-adaptation laminating system 1 and filtration system 2 combine together, keep with facial inseparable laminating when making gauze mask coverage area reduce, realized user's material replacement easy operation, wear comfortable, filter reliable function.

Claims (10)

1. The nose mask with the replaceable filter material is characterized by comprising a self-adaptive attaching system, a filter system and a wearing and fixing system, wherein the self-adaptive attaching system and the filter system form a nose mask main body, the nose mask main body covers the mouth and nose parts of a wearer, the periphery of the self-adaptive attaching system is attached to the skin of the wearer, a filter system fixing part is formed at the position corresponding to the middle mouth and nose, and the filter system is detachably fixed on the filter system fixing part; the wearing and fixing system is arranged on the left side and the right side of the self-adaptive fitting system and is made of a strip-shaped telescopic material.

2. The filter material replaceable nasal mask according to claim 1, wherein the filter system comprises a cover and a filter layer, the filter layer is located inside the cover, and the cover is engaged with the filter system fixing portion of the adaptive fitting system to fix the filter layer at the adaptive fitting system fixing portion.

3. The filter material replaceable nasal mask of claim 2, wherein the cover is high in the middle and low on the periphery.

4. The replaceable filter material respirator of claim 2, wherein the cover is connected to the self-adaptive attachment system by a snap, thread, slide connection, interference fit.

5. The nose mask of claim 2, wherein the front edge of the inner side of the cover holder forms a fixing portion, the cover is provided with a fastening platform on the outer side of the fixing portion, the cover is further provided with a handle portion, the fixing portion of the filtering system of the self-adaptive fitting system mainly comprises a fastening platform and a bearing surface, a receiving groove is formed between the fastening platform and the bearing surface, the bearing surface supports the filtering layer, the fastening platform, the fixing portion and the edge of the filtering layer are all located in the receiving groove, the fastening platform cooperates with the fastening surface of the fastening platform to fix the cover to the fixing portion of the filtering system, and the fixing portion on the cover presses the filtering layer to fix the filtering layer to the bearing surface.

6. The filter material replaceable nasal mask according to any one of claims 1-5, wherein the conformable system is contoured to the general shape of a human face, nose, or mouth, and is made of a flexible material that tapers from the filter system attachment location to the peripheral edge.

7. The replaceable filter material respirator of claim 6, wherein the conformable system is configured to extend around the perimeter of the mask to form a U-shaped configuration, wherein the U-shaped configuration is either an outer U-shape or an inner U-shape.

8. The filter material replaceable nasal mask of claim 6, wherein the conformable system forms flaps on the nose and on both sides of the nose.

9. The filter material replaceable nasal mask of claim 1, wherein the interior surface of the conformable system is not in contact with the skin of the wearer except for the perimeter; the surface on the inside of the filter system is not in contact with the skin of the wearer.

10. The filter material replaceable nasal mask of claim 1, wherein the wear securing system is secured to the self-adaptive fit system by a link.

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