CN109662362B - Mask and elastic outer frame thereof - Google Patents
Mask and elastic outer frame thereof Download PDFInfo
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- CN109662362B CN109662362B CN201710960284.2A CN201710960284A CN109662362B CN 109662362 B CN109662362 B CN 109662362B CN 201710960284 A CN201710960284 A CN 201710960284A CN 109662362 B CN109662362 B CN 109662362B
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- Prior art keywords
- filter element
- mask
- outer frame
- filter
- elastic
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1161—Means for fastening to the user's head
Abstract
The embodiment of the invention relates to the technical field of sanitary protective articles, and discloses a mask and an elastic outer frame of the mask. The mask in the embodiment of the invention comprises: a filter element and an elastic outer frame; the elastic outer frame is provided with a first opening; the elastic outer frame is fixed on the filter element and positioned on the outer side of the filter element, and the part of the filter element corresponding to the first opening at least covers the mouth-nose part of a user. The embodiment of the invention also provides an elastic outer frame of the mask. The embodiment of the invention greatly improves the air permeability of the mask, lightens the moist and sultry degree of the mask, and is lighter, thinner and more comfortable when the mask is worn.
Description
Technical Field
The embodiment of the invention relates to the technical field of sanitary protective articles, in particular to a mask and an elastic outer frame of the mask.
Background
Personal protective products such as masks and protective gloves are generally applied to daily life of people, for example, masks are generally protective products which are worn at the mouth and nose parts and used for filtering air entering the mouth and nose to prevent harmful substances (such as dust particles, harmful gases and the like) from entering the human body, and along with the increase of the demand of people, existing masks are divided into various types, such as sports masks, medical masks and the like.
The existing sports mask is from western, and generally adopts a two-piece structure, and comprises an outer mask layer and a filter element layer which is in contact with the face, wherein the outer mask layer and the filter element layer are fixed through a valve, a metal sheet is fixed on the outer mask layer at a position corresponding to the bridge of the nose, and two sides of the mask are fixed on the back neck part by bypassing the head (namely fixed in a mode of hanging a hasp behind the head) so as to realize wearing. However, the inventors found that at least the following problems exist in the prior art: the whole surface laminating of current sports type gauze mask, filter element layer has the dustcoat, and the gaseous filter element layer and the dustcoat that will lead to of human breathing promptly, and the gas permeability is relatively poor, and the dustcoat surface area is great for whole gauze mask is heavier, and the user wears for a long time will have burden sense and tired sense. In addition, since the outer cover layer also passes through the gas, the outer cover layer inevitably absorbs water and is stuffy (especially, the outer cover layer becomes very sticky and moist under the condition of a large amount of sweat), so that a user wearing the mask is very uncomfortable and the user experience is poor.
Disclosure of Invention
The invention aims to provide a mask and an elastic outer frame of the mask, which greatly improve the air permeability of the mask, reduce the moist and sultry degree of the mask and make the mask more light, thin and comfortable when being worn.
In order to solve the above technical problem, an embodiment of the present invention provides a mask, including: a filter element and an elastic outer frame; the elastic outer frame is provided with a first opening; the elastic outer frame is fixed on the filter element and positioned on the outer side of the filter element, and the part of the filter element corresponding to the first opening at least covers the mouth-nose part of a user.
The embodiment of the invention also provides an elastic outer frame of the mask, wherein the elastic outer frame is the elastic outer frame in the mask.
Compared with the prior art, the mask comprises a filter element and an elastic outer frame with a first opening; in the mask provided by the embodiment of the invention, the elastic outer frame is fixed on the filter element and is positioned at the outer side of the filter element, and the part of the filter element corresponding to the first opening at least covers the mouth and nose part of a user, so that the mouth and nose part of the user directly contacts the external environment through the filter element (namely, the gas breathed by the human body only needs to pass through the filter core layer), thereby greatly improving the air permeability of the mask, reducing the moist and stuffy degree of the mask and replacing the mode that the gas breathed by the human body passes through the filter core layer and the outer mask layer in the prior art; and the surface area of the elastic outer frame in the embodiment is very small, so that the whole mask is very light and thin, and the burden and fatigue are not easy to generate even if a user wears the mask for a long time.
In addition, the elastic outer frame is provided with a first positioning part corresponding to the tail wing part of the filter element, and the tail wing part of the filter element is provided with a second positioning part matched with the first positioning part. In this embodiment, a specific position of the first positioning portion and the second positioning portion is provided.
In addition, the first positioning portion includes: the clamping device comprises a second opening and a clamping blade which extends from one inner wall of the second opening and is positioned in the second opening; the outer surface of the clamping blade is provided with a clamping hook; the second positioning portion includes: the filter element comprises a filter element, a clamping hook and a first clamping groove, wherein the filter element is provided with a filter element, the first clamping groove is used for allowing the clamping blade to penetrate through the filter element from the outer side of the filter element to reach the inner side of the filter element, and the second clamping groove is used for allowing the clamping hook to penetrate through the inner side of the filter element and expose out of the outer side of the filter element. In this embodiment, a specific structural form of the first positioning portion and the second positioning portion is provided.
In addition, a first abutting part is formed on the inner surface of the elastic outer frame corresponding to the nose bridge area of the user; the first abutting part is used for abutting against the filter element and forcing the filter element to be in close contact with the nose bridge area of the user. In this embodiment, be formed with the first portion of holding to holding in the filter core corresponding to user's nose bridge region on the internal surface of elasticity frame for the filter core can be with user's nose bridge region in close contact with (first portion of holding can play the effect of soft support to the filter core promptly), has improved the sealed effect between filter core and the face, avoids outside air (unfiltered) to get into in the human body from the gap between filter core and the nose bridge region, has improved the protective effect of gauze mask.
In addition, the first abutting part is a sheet-shaped bulge array. In this embodiment, a specific structure of the first abutting portion is provided, and the lamellar protrusion array can enable a gap to be formed between the filter element and the elastic outer frame to avoid reducing the filtering area as much as possible.
In addition, a plurality of second abutting parts are formed on the inner surface of the elastic outer frame, the second abutting parts abut against the filter element, and the filter element is forced to be in close contact with the cheek of the user. In this embodiment, a plurality of second supporting portions supporting the filter element are further formed on the inner surface of the elastic outer frame, so that the filter element can be in close contact with the cheek of a user (i.e., can play a better soft supporting role for the filter element), and the sealing effect between the filter element and the face is further improved.
In addition, a third positioning part is formed on the filter element corresponding to the position of the bridge of the nose and the position of the chin of the user, and a fourth positioning part matched with the third positioning part is formed on the elastic outer frame. In the embodiment, the fixing position of the filter element (or the elastic outer frame) is increased, and the fixing reliability between the filter element and the elastic outer frame is further improved.
In addition, the filter element comprises a filter layer, and the filter layer is provided with a folding structure formed by folding. In this embodiment, a concrete structural style of filter layer is provided, and beta structure has greatly improved the filter area of filter core, and beta structure has greatly reduced respiratory resistance, has improved user experience.
In addition, the folding structure comprises a plurality of creases, and the creases are longitudinal creases parallel to the longitudinal center line of the mask, or the creases are transverse creases vertical to the longitudinal center line; wherein the longitudinal midline corresponds to a bridge of the nose of the user. In this embodiment, two specific implementation manners of the folding structure are provided.
In addition, the plurality of creases are uniformly distributed. In this embodiment, a distribution mode of many creases is provided, and many crease evenly distributed make the overall structure of filter layer comparatively level and smooth, pleasing to the eye, make the filter effect in each region of filter core simultaneously equal, avoid appearing the condition that local filter effect has great difference.
In addition, the filter layer comprises a first support sublayer, a filter material sublayer and a second support sublayer which are sequentially stacked. In this embodiment, a specific implementation of the filter layer is provided.
In addition, the elastic outer frame also comprises an ear belt fixing structure; the ear belt fixing structure comprises a buckling piece and a buckling groove formed on the elastic outer frame; one end of the buckling piece is fixed with the ear belt, and the other end of the buckling piece is buckled in the buckling groove. In this embodiment, a fixed mode that the ear strap is fixed in the elasticity frame is provided, convenient to detach.
In addition, the buckling piece is of a U-shaped structure and comprises a first piece body, a second piece body and an arc-shaped part for connecting the first piece body and the second piece body, and the first piece body extends out of a fixing part for fixing with the ear belt; the second sheet body is buckled in the buckling groove. In this embodiment, a specific structural configuration for a fastener is provided.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic view of a mask in a split state according to a first embodiment;
fig. 2 is a composite view of the mask according to the first embodiment;
fig. 3 is a schematic cross-sectional view along line AA' of a mask according to a first embodiment;
fig. 4 is a schematic view of an elastic frame in a mask according to a second embodiment;
fig. 5 is a schematic view of a mask in a split state according to a second embodiment;
FIG. 6 is a schematic view of a filter element in a facemask according to a third embodiment;
fig. 7 is a schematic view showing a plurality of folds of a filter layer in the mask according to the third embodiment as longitudinal folds;
fig. 8 is a schematic view showing that a plurality of folds of a filter layer in the mask according to the third embodiment are lateral folds;
fig. 9 is a schematic view of a mask in a split state according to a fourth embodiment;
FIG. 10 is a schematic view of a fastener in the mask according to a fourth embodiment;
fig. 11 is a combined view of the mask according to the fourth embodiment;
fig. 12 is a schematic cross-sectional view along BB' in the mask according to the fourth embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to a mask, as shown in fig. 1, comprising: a filter element 1 and an elastic outer frame 2.
In the present embodiment, the elastic outer frame 2 has a first opening 21; the elastic outer frame 2 is fixed on the filter element 1 and is positioned outside the filter element 1, and the part of the filter element 1 corresponding to the first opening 21 at least covers the mouth-nose part of a user.
The structure of the mask according to the present embodiment will be described in detail below, and the following description is only for the sake of easy understanding and is not essential to the present embodiment.
In this embodiment and the following embodiments, "up", "down", "front", "back", "left", "right", "inner" and "outer" should be understood to mean that when the mask is worn on the face of a user, the directions "up", "down", "front", "back", "left" and "right" of the user themselves, for example, the outer side of the filter element 1 means the side away from the face of the user when the mask is worn on the face of the user, and the inner side of the filter element 1 means the side directly contacting the face of the user.
In this embodiment, as shown in fig. 1, the filter element 1 includes a main body 11 opposite to the mouth-nose portion and the two cheeks of the user and tail portions 12 extending from the main body 11 and symmetrically disposed, the two tail portions 12 are respectively connected to the left and right edges of the main body 11 and respectively extend toward the two sides of the user, that is, the left edge of the main body 11 is provided with one tail portion 12 extending toward the left side of the user, and the right edge of the main body 11 is provided with one tail portion 12 extending toward the right side of the user.
In the present embodiment, as shown in fig. 1, a first positioning portion 23 is formed in a region 22 of the elastic outer frame 2 corresponding to the tail portion 12 of the filter element 1, a second positioning portion 13 that fits to the first positioning portion 23 is formed in the tail portion 12 of the filter element 1, and the elastic outer frame 2 and the filter element 1 are fixed to each other by the first positioning portion 23 and the second positioning portion 13.
In one example, as shown in fig. 1 to 3, fig. 3 is a cross-sectional view taken along line AA' of fig. 2, and the first positioning portion 23 includes: a second opening 231 and a latch 232 extending from an inner wall of the second opening 231 and located in the second opening 231; the outer surface of the latch 232 is formed with a hook 2321. The second positioning portion 13 includes: in the present embodiment, a specific structural form of the first positioning portion and the second positioning portion is provided, and the hook 2321 can prevent the filter element 2 from slipping off from the elastic outer frame 2 after the filter element 1 and the elastic outer frame 2 are mounted together; however, the present embodiment is not limited to this, and the specific structural form of the first positioning portion 23 and the second positioning portion 13 is not limited at all.
Preferably, in the present embodiment, the extending direction of the clip 232 is the same as the extending direction of the tail part 12; however, in practice, the extending direction of the latch 232 is not limited in this embodiment.
In another example (not shown in the figures), the first positioning portion 23 is a positioning opening, the second positioning portion 13 is a positioning boss, and the positioning opening is embedded in the positioning boss, so as to fix the filter element 1 and the elastic outer frame 2 to each other; however, the present embodiment is not limited to this, and the specific structural form of the first positioning portion 23 and the second positioning portion 13 is not limited at all.
In the present embodiment, the filter element 1 includes an outer layer, a filter layer, and a skin-friendly layer, wherein the skin-friendly layer directly contacts the face of the user; however, the present embodiment is not limited to this, and the specific structure of the filter element 1 is not limited in any way.
In this embodiment, the elastic outer frame 2 may be made of Thermoplastic Elastomer (TPE), which is odorless, has high strength, high resilience, and skin-friendly properties, and is very suitable for being used as a mask fabric; however, the present embodiment is not limited to this, and the specific fabric type of the elastic outer frame 2 is not limited in any way.
In fact, in this embodiment, the mask further includes two ear straps 3 (each ear strap 3 has two ends), and the ends of the ear straps 3 can be fixed to the outside of the filter element 1, but in practice, the mask is not limited thereto, and the fixing position of the ends of the ear straps 3 is not limited in any way in this embodiment, and for example, the ear straps 3 can also be fixed to the inside of the elastic frame 2.
A second embodiment of the present invention relates to a mask. The second embodiment is improved on the basis of the first embodiment, and the main improvement lies in that: in the second embodiment of the present invention, as shown in fig. 4, a first abutting portion 24 is further formed on the elastic outer frame 2.
In the present embodiment, as shown in fig. 4, a first abutting portion 24 is formed on the inner surface of the elastic outer frame 2 corresponding to the nasal bridge region of the user; the first abutment 24 is intended to abut against the filter cartridge 1 and to force the filter cartridge 1 into close contact with the nasal bridge region of the user.
In one example, as shown in fig. 4, the first holding portion 24 is a sheet-like projection array; specifically, the lamellar projection array is symmetrical about a center line M1 of the elastic outer frame 2, and a contour line formed by the abutting end of the lamellar projection array abutting against the filter element 1 is similar to an outer contour line of a nose bridge area of the elastic outer frame 2, so that the filter cartridge is more in line with human engineering and is more attached to the nose bridge area of a user; however, in practice, the present embodiment does not limit the specific structure of the first abutting portion 24.
Preferably, in the present embodiment, as shown in fig. 4, a plurality of second abutting portions 25 are further formed on the inner surface of the elastic outer frame 2, and the second abutting portions 25 abut against the filter element 1 and force the filter element 1 to tightly contact with the cheek of the user; it should be noted that the width of the second abutting portion is smaller than the width of the first abutting portion.
In one example, as shown in fig. 4, the second abutting portion 25 may be a sheet-like projection array having the same height, and the projection array may have the same height, so that the filter element 1 can be reliably brought into close contact with the cheek of the user. Specifically, there are 4 equal-height arrays of protrusions, and each equal-height array of protrusions is located between the midline M1 and the region 22; however, the present embodiment is not limited to this, and the structural form, number and forming position of the second abutting portion 25 are not limited at all.
Preferably, in the present embodiment, as shown in fig. 4 and 5, a third positioning portion 14 is formed on the filter element 1 corresponding to the position of the bridge of the nose and the position of the chin of the user, a fourth positioning portion 26 matching with the third positioning portion 14 is formed on the elastic outer frame 2 (only one fourth positioning portion 26 is shown in the figure, and the other one is not shown in the figure and is located inside the elastic outer frame 2), and the third positioning portion 14 and the fourth positioning portion 26 are mutually positioned; however, the present embodiment is not limited to this, and the specific setting position of the third positioning portion 14 is not limited at all, and may be set at other positions of the filter element 1 according to actual situations.
In one example, the third positioning portion 14 is a positioning protrusion, the fourth positioning portion 26 is a positioning groove, and the positioning protrusion and the positioning groove are matched for positioning; however, the present embodiment is not limited to this, and the specific structural form of the third positioning portion 14 and the fourth positioning portion 26 is not limited at all.
For the first embodiment, the first supporting portion is formed on the inner surface of the elastic outer frame corresponding to the nose bridge region of the user, so that the filter element can be in close contact with the nose bridge region of the user (namely, the first supporting portion can play a soft supporting role for the filter element), the sealing effect between the filter element and the face is improved, external air (unfiltered) is prevented from entering the human body from a gap between the filter element and the nose bridge region, and the protection effect of the mask is improved. In addition, still be formed with a plurality of on the internal surface of elasticity frame and support the second of holding in the filter core and support the portion for the filter core can with user's cheek in close contact with, can play better soft supporting role to the filter core, and further improved the sealed effect of filter core with facial, make simultaneously have the clearance in order to avoid reducing filter area as far as possible between filter core and the elasticity frame. In addition, a third positioning part is formed on the filter element corresponding to the position of the bridge of the nose and the position of the chin of the user, and a fourth positioning part matched with the third positioning part is formed on the elastic outer frame, so that the fixing position of the filter element (or the elastic outer frame) is increased (the second positioning part in the first embodiment can be understood as being positioned at the left and right positions of the filter element, and the third positioning part in the embodiment can be understood as being positioned at the upper and lower positions of the filter element), and the fixing reliability between the filter element and the elastic outer frame is further improved.
A third embodiment of the present invention relates to a mask. The third embodiment is improved on the basis of the second embodiment, and the main improvement lies in that: in a third embodiment of the invention, as shown in fig. 6 to 8, the filter layer 15 of the filter cartridge 1 has a folded structure formed by folding.
In the present embodiment, as shown in fig. 6, the filter element 1 includes an outer layer 16, a filter layer 15, and a skin-friendly layer 17, and the filter layer 15 is located between the outer layer 16 and the skin-friendly layer 17; wherein, outer layer 17 can adopt polypropylene (pp) material preparation for protection filter core 1 just plays the effect of isolated sand and dust.
In the present embodiment, as shown in fig. 7 (for clarity, the folding structure is illustrated, and the figure only illustrates the filter layer 15 in the filter element 1), the folding structure includes a plurality of folds 18, and each of the plurality of folds 18 is a longitudinal fold parallel to the longitudinal center line M2 of the mask; in practice, however, the present embodiment does not limit the direction of the plurality of folds 16, for example, as shown in fig. 8 (which only illustrates the filter layer 15 in the filter cartridge 1 for clarity of the folded structure), the plurality of folds 18 may be all transverse folds perpendicular to the longitudinal centerline M2; wherein the longitudinal centerline M2 corresponds to the bridge of the nose of the user.
Actually, the folding structure in the present embodiment is a three-dimensional folding structure (the three-dimensional structure is not shown).
In the present embodiment, as shown in fig. 6, the filter layer 15 includes a first support sublayer 151, a filter sublayer 152, and a second support sublayer 153, which are stacked in this order. Specifically, each sublayer has a folding structure, and the first support sublayer 151 and the second support sublayer 153 are sandwiched on both sides of the filter sublayer 152, so as to support and protect the ultrathin and ultra-soft filter sublayer 152. In addition, the first support sublayer 151 and the second support sublayer 153 may be Polyethylene terephthalate (PET); however, in practice, the present embodiment is not limited to this, and the specific fabric type of the support sub-layer is not limited in any way.
In this embodiment, the filter material sub-layer 152 is made of teflon nanomaterial, so that the filter layer 15 has better moisture permeability than a conventional filter layer, and meanwhile, due to the folding structure of the filter material sub-layer 152, the increased filter area further improves the moisture permeability effect.
In practice, the first support sublayer 151 is attached to the outer layer 17 of the filter element 1 and the second support sublayer 153 is attached to the skin-friendly layer 18 of the filter element 1.
Preferably, in the present embodiment, the plurality of folding lines 18 of the folding structure are uniformly distributed; however, the present embodiment is not limited to this, and the distribution of the plurality of folds 18 is not limited in any way.
In fact, the present embodiment may be a modification of the first embodiment.
Compared with the second embodiment, the filter layer of the filter element has the folding structure formed by folding, so that in the filter element with the same external surface area, the filtering area of the filter layer of the folding structure is about 2.5 times of that of a conventional filter layer, the filtering area of the filter element is greatly increased, the breathing resistance of the filter element is about 2.5 times of that of the conventional filter element (such as a planar filter element) due to the filter layer of the folding structure, the breathing resistance is greatly reduced, and the user experience is improved. In addition, many creases evenly distributed of beta structure for the overall structure of filter layer is comparatively level and smooth, pleasing to the eye, makes the filter effect in each region of filter core simultaneously equal, avoids appearing the condition that local filter effect has great difference.
A fourth embodiment of the present invention relates to a mask, and is an improvement of the third embodiment, and is mainly characterized in that: in the fourth embodiment of the present invention, as shown in fig. 9 to 12 (fig. 12 is a sectional view taken along the line BB' in fig. 11), the elastic outer frame 2 further includes an ear band fixing structure 27.
In this embodiment, as shown in fig. 9 and 10, the ear strap fixing structure 27 includes a fastening member 271 and a fastening groove 272 formed on the elastic outer frame 2; one end of the fastener 271 is fixed to the ear band 3, and the other end of the fastener 271 is fastened in the fastening groove 272.
In the present embodiment, the number of the ear band fixing structures 27 is the same as the number of the end portions of the ear band 3, and one ear band 3 has two end portions; that is, in the present embodiment, when the number of the ear straps 3 is 2, the number of the ear strap fixing structures 27 is 4.
In one example, as shown in FIGS. 10 and 12, the fastener 271 has a U-shaped configuration and includes a first panel 2711, a second panel 2712 and an arcuate portion 2713 connecting the first panel 2711 and the second panel 2712, wherein the first panel 2711 extends to form a fastening portion 2714 for fastening with the ear band 3; the second plate 2712 is buckled in the buckling groove 272; specifically, when the second plate 2712 is fastened in the fastening groove 272, the first plate 2711 is tightly attached to the inner surface of the elastic outer frame 2 (because the first plate 2711 is very thin), and the height of the first plate 2711 higher than the inner surface of the elastic outer frame 2 is less than or equal to 0.5 mm, so that when a user wears the mask, the fastening part 271 across the filter element 1 does not generate a foreign body sensation. However, the present embodiment is not limited to this, and the specific structure of the locking element 271 is not limited in any way.
In one example, as shown in fig. 10, the fixing portion 2714 has an opening through which the end of the ear band 3 passes and is turned over to the surface of the ear band 3 itself, and the end of the ear band 3 is fixed to the surface of the ear band 3 (for example, ultrasonic closed fixing, but not limited thereto); however, the embodiment does not limit the specific structure of the fixing portion 2714.
Preferably, in this embodiment, as shown in fig. 11, the mask further includes an adjusting buckle 4 having a through hole, the ear-hooking end of the ear strap 3 can penetrate through the through hole of the adjusting buckle 4, and the adjusting buckle 14 is slid on the ear strap 3 along the sliding direction of the ear strap 3 by using the friction of the material of the ear strap 3 itself, so as to adjust the length of the ear strap 3, thereby adjusting the tightness of the mask.
In this embodiment, the adjusting buckle 4 may be made of a silicone material, but is not limited thereto in practice, and the material of the adjusting buckle 4 is not limited in this embodiment.
In fact, the present embodiment may be a modification of the first or second embodiment.
Compared with the third embodiment, the elastic outer frame further comprises an ear strap fixing structure, and the ear strap fixing structure comprises a buckling piece and a buckling groove, namely, an implementation mode that the ear strap is fixed on the elastic outer frame is provided.
A fifth embodiment of the present invention relates to an elastic frame for a mask, which is used in the mask according to any one of the first to fourth embodiments.
Compared with the prior art, the elastic outer frame is provided with a first opening; in the elastic outer frame of the mask provided by the embodiment of the invention, the elastic outer frame is fixed on the filter element and is positioned at the outer side of the filter element, and the elastic outer frame is positioned in the area outside the nostrils of the user, so that the mouth and nose of the user directly contact the external environment through the filter element (namely, the air breathed by the human body only needs to pass through the filter core layer), thereby greatly improving the air permeability of the mask, reducing the moist and stuffy degree of the mask and replacing an outer cover layer which is arranged at the outer side of the whole filter element in the prior art; in addition, the surface area of the elastic outer frame in the embodiment is very small, so that the whole mask is very light and thin, and the burden and fatigue are not easy to generate even if a user wears the mask for a long time.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (12)
1. A mask, comprising: a filter element and an elastic outer frame;
the elastic outer frame is provided with a first opening;
the elastic outer frame is fixed on the filter element and positioned on the outer side of the filter element, and the part of the filter element corresponding to the first opening at least covers the mouth-nose part of a user;
a first abutting part is formed on the inner surface of the elastic outer frame corresponding to the nose bridge area of the user; the first abutting part is used for abutting against the filter element and forcing the filter element to be in close contact with the nose bridge area of the user, and the first abutting part is a sheet-shaped bulge array;
a first positioning part is formed on the elastic outer frame in a region corresponding to the tail wing part of the filter element, and a second positioning part matched with the first positioning part is formed on the tail wing part of the filter element;
the first positioning portion includes: the clamping device comprises a second opening and a clamping blade which extends from one inner wall of the second opening and is positioned in the second opening; the outer surface of the clamping blade is provided with a clamping hook;
the second positioning portion includes: the filter element comprises a filter element, a clamping hook and a first clamping groove, wherein the filter element is provided with a filter element, the first clamping groove is used for allowing the clamping blade to penetrate through the filter element from the outer side of the filter element to reach the inner side of the filter element, and the second clamping groove is used for allowing the clamping hook to penetrate through the inner side of the filter element and expose out of the outer side of the filter element.
2. The mask of claim 1 wherein said flap extends in the same direction as said tail portion.
3. The mask of claim 1 wherein a plurality of second retaining portions are further formed on the inner surface of the elastic frame, the second retaining portions retaining the filter element and forcing the filter element to be in close contact with the cheek of the user.
4. The mask of claim 1 wherein a third positioning portion is formed on said filter element corresponding to the position of the bridge of the nose and the position of the chin of the user, and a fourth positioning portion matching with said third positioning portion is formed on said elastic frame.
5. The mask of claim 1 wherein said filter element comprises a filter layer and said filter layer has a pleated structure.
6. The mask of claim 5 wherein said folding structure comprises a plurality of folds, and wherein said plurality of folds are all longitudinal folds parallel to a longitudinal centerline of said mask, or said plurality of folds are all transverse folds perpendicular to said longitudinal centerline; wherein the longitudinal midline corresponds to a bridge of the nose of the user.
7. The mask of claim 6 wherein said plurality of folds are evenly distributed.
8. The mask of claim 5 wherein said filter layer comprises a first support sublayer, a filter sublayer and a second support sublayer, all of which are sequentially stacked.
9. The mask of claim 8 wherein said filter sublayer is a polytetrafluoroethylene nanomaterial.
10. The mask of claim 1 wherein said elastic frame further comprises ear strap retaining structure;
the ear belt fixing structure comprises a buckling piece and a buckling groove formed on the elastic outer frame;
one end of the buckling piece is fixed with the ear belt, and the other end of the buckling piece is buckled in the buckling groove.
11. The mask of claim 10 wherein said fastener is U-shaped and comprises a first panel, a second panel, and an arcuate portion connecting said first panel to said second panel, and wherein said first panel extends to define a securement portion for securement to said ear straps; the second sheet body is buckled in the buckling S groove.
12. An elastic frame for a mask, characterized in that the elastic frame is the elastic frame in the mask according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109662362B true CN109662362B (en) | 2021-11-02 |
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| GB922077A (en) * | 1960-09-15 | 1963-03-27 | Percival Robert Lague | An improved mask respirator |
| FR2540000B3 (en) * | 1983-01-27 | 1985-12-13 | Celatose Ind | FILTERING RESPIRATORY MASK |
| CN101489425A (en) * | 2006-07-18 | 2009-07-22 | 葛兰素集团有限公司 | Anti-viral face mask and filter material |
| CN201775028U (en) * | 2010-04-21 | 2011-03-30 | 山东科技大学 | Mask for children |
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| KR20160148847A (en) * | 2015-06-17 | 2016-12-27 | 구본철 | Respirator with anti-fogging and periodic filter replacement module |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109662362A (en) | 2019-04-23 |
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