CN212212753U

CN212212753U - Close type gauze mask of removable filter mantle

Info

Publication number: CN212212753U
Application number: CN202020074214.4U
Authority: CN
Inventors: 袁根祥
Original assignee: Huzhou Respiratory Protection Technology Co ltd
Current assignee: Huzhou Respiratory Protection Technology Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-12-25
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a closed mask with replaceable filtering mask body, which comprises a base with a middle opening completely jointed with the face, wherein the filtering mask body is detachably fixed on the base, the base comprises a curved surface jointing soft sheet jointed with the face and an annular clamping groove convenient for the detachable fixation of the filtering mask body, an annular clamping ring is clamped in the annular clamping groove, a nose part jointing area, a chin jointing area and a cheek jointing area of the curved surface jointing soft sheet are seamlessly jointed with the facial contour of a human body, thereby effectively preventing the suction of harmful gas, avoiding the problem that a pollution source enters the mask from a leakage position due to the incomplete sealing of the traditional mask and the face, the annular clamping groove is arranged on the edge end surface of the base, the annular clamping ring is clamped in the annular clamping groove, realizing the detachable connection of the filtering mask body, and enabling the filtering mask body to be replaced at any time according to the demand, more sanitary, the base can be repeatedly used, the cost is saved, and the environmental protection is facilitated.

Description

Close type gauze mask of removable filter mantle

The technical field is as follows:

the utility model relates to a gauze mask technical field especially relates to a close type gauze mask of removable filter mantle body.

Background art:

the mask is a sanitary breathing protective product, generally refers to a device which is worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to prevent harmful gas, smell, spray, dust and the like from entering the mouth and nose of a wearer, generally speaking, the mask has a certain gas leakage rate, and cheeks, chin and two sides of the bridge of the nose of the wearer are main positions which are easy to leak.

The existing mask type mask solves the problem of tight fit between the mask and the face, but is limited by the existing melt-blown cloth deep adsorption type filtering technology, so that the breathing difficulty of a wearer is caused by high breathing resistance, and the improvement can be achieved only by a breathing valve. However, most of the breather valves on the market are not of the quality, some breather valves are still intentionally fake, and the breather valve is added to be equal to a gate for the smooth air flow. Therefore, the dustproof effect of the mask type mask on the market is not ideal.

Meanwhile, the supporting frame and the filtering cover body of the existing mask are not detachable, the filtering cover body is not sanitary after being used for a long time, the mask is directly replaced, the cost is increased, and unnecessary waste is caused.

The utility model has the following contents:

the utility model aims at providing a close type gauze mask of removable filter cover body in order to make gauze mask and the sealed laminating of face portion, and the installation of the filter cover body of being convenient for and shirk, and provide.

The technical solution of the utility model is as follows:

the utility model provides a close-fitting type gauze mask of removable filter mantle which characterized in that: the mask comprises a base which is completely attached to the face and provided with an opening in the middle, and a filtering cover body is detachably fixed on the base.

Preferably, the base comprises a curved surface attaching film attached to the face and an annular clamping groove convenient for the filtering cover body to be detachably fixed, wherein the curved surface attaching film is attached to the face, and the annular clamping groove is internally clamped with an annular clamping ring.

Preferably, the curved surface laminating film is an annular ring matched with the contour of the face of a human body and extends to the center of the annular ring outside the base, the curved surface laminating film comprises a nose laminating area, a chin laminating area and a cheek laminating area which is in transitional connection with the nose laminating area and the chin laminating area, the nose laminating area presents a concave-convex shape matched with the periphery of the nose bridge, a first protruding part protruding towards the nose bridge from the direction of the nose wing is formed in the middle of the nose laminating area, the first protruding part is supported on the nose bridge and is laminated with the nose bridge, the concave parts on two sides of the first protruding part are tightly laminated with curves on two sides of the nose wing, a second protruding part protruding outwards from the face and laminated with the chin is formed in the chin laminating area, and the cheek laminating area presents a curve shape laminated with the face cheek.

Preferably, the cross section of the ring-shaped clamping groove is a C-shaped groove, the C-shaped groove comprises a first arc-shaped portion, a second arc-shaped portion and a straight line portion, the first arc-shaped portion and the second arc-shaped portion are in transitional connection through the straight line portion, a limiting clamping strip bent towards the opening end of the C-shaped groove is formed in the edge of the first arc-shaped portion, and the edge of the second arc-shaped portion is a tip end.

Preferably, the curvature of the first arc-shaped portion is smaller than the curvature of the second arc-shaped portion.

Preferably, a third protruding part matched with the first arc-shaped part and a fourth protruding part matched with the second arc-shaped part are formed on two sides of the annular clamping ring respectively, and a limiting groove matched with the limiting clamping strip in shape and size is formed above one side, located on the third protruding part, of the annular clamping ring.

Preferably, a filter hood anti-suction keel for supporting the filter hood body is formed on one side, far away from the side contacting with the human face, of the base, and the annular clamping groove is located on the outer side of the filter hood anti-suction keel.

Preferably, the base is made of a soft material.

Preferably, wearing rope mounting holes are symmetrically fixed on the base at two sides of the face, and the number of the wearing rope mounting holes is 2 or more than 2.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a close type gauze mask of removable filter cover body is provided with the curved surface laminating film of laminating completely with face, the nasal part laminating district of curved surface laminating film, chin laminating district and cheek laminating district and the seamless laminating of human facial profile to can prevent harmful gas's suction effectively, avoid traditional gauze mask and the unable complete driving fit of face and lead to the pollution sources to advance into the problem of gauze mask from the leakage.

2. The utility model discloses a close type gauze mask of removable filter mantle body, through middle open-ended base, ring groove has been seted up on the base edge terminal surface, the joint has annular rand in the ring groove, will filter mantle body cover on the fossil fragments are prevented inhaling by the filter mantle, will filter the edge pressure of the mantle body in the draw-in groove through ring groove, compress tightly through annular rand, realized the connection of dismantling of the mantle body for the mantle body can change at any time according to the demand, and is more sanitary, and the base can used repeatedly, saves the cost and does benefit to the environmental protection again.

3. The utility model discloses a but close type gauze mask of removable filter cover body, curved surface laminating film with be formed with compressible space between the ring groove, the compressible space makes curved surface laminating film can both suit with the face of different human bodies, accomplishes seamless laminating for the leakproofness is better, and the laminating degree is better, curved surface laminating film extends to the ring center, has increased curved surface laminating film and facial area of contact, and the laminating degree is good and is worn close type gauze mask back and be difficult to remove well.

Description of the drawings:

FIG. 1 is an exploded view of a sealed mask with replaceable filter mask body according to the present invention;

FIG. 2 is a perspective view of a sealed mask with a replaceable filter cover according to the present invention;

fig. 3 is a bottom view of the conformable mask with replaceable filter mask body of the present invention;

FIG. 4 is a perspective view of a sealed mask with a replaceable filter cover according to the present invention;

fig. 5 is a schematic view of the base structure of the present invention;

fig. 6 is a schematic partial cross-sectional view of the ring slot and the ring retainer of the present invention;

fig. 7 is a schematic cross-sectional view of the annular collar of the present invention;

fig. 8 is a schematic cross-sectional view of the ring slot of the present invention;

fig. 9 is a schematic structural view of the annular collar of the present invention;

fig. 10 is a perspective view of a close-fitting mask of the present invention.

In the figure: 1. laminating the film on the curved surface; 2. a filtering cover body; 3. a base; 3-1, nose fitting area; 3-2, a chin fit area; 3-3, cheek fit area; 3-4, a first boss; 3-5, a concave part; 3-6, a second convex part; 4. the filter hood anti-suction keel; 4-1, longitudinal belt; 4-2, transverse belt; 4-3, air holes; 5. an annular neck; 6. an annular collar; 7. wearing a rope mounting hole; 5-1, a first arc-shaped part; 5-2, a second arc-shaped part; 5-3, a straight line part; 5-4, limiting clamping strips; 5-5, a clamping groove; 6-1, limiting grooves; 6-2, a third convex part; 6-3, a fourth convex part; 6-4, clamping blocks; 9. the space may be compressed.

The specific implementation mode is as follows:

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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1-10, a sealed mask comprises a base 3 with a middle opening completely attached to the face, a filtering mask body 2 is detachably fixed on the base 3, the filtering mask body 2 is an ePTFE microporous membrane filtering mask body with a three-dimensional shape, and an ePTFE microporous membrane filter sheet has the characteristics of high filtering efficiency and good air permeability, so that the sealed mask can normally breathe without a breather valve, and the filtering mask body 2 is the prior art. Base 3 is close to human face end shaping and has curved surface laminating film 1, and the annular groove 5 that the filter cover body 2 of being convenient for can dismantle fixedly is seted up to its other end, 5 interior joint of annular groove have annular rand 6, keep away from on the base 3 and have the filter cover that is used for supporting filter cover body 2 and prevent inhaling fossil fragments 4 with one side shaping of human contact, it is fixed with wearing rope mounting hole 7 to lie in facial both sides on the base 3.

Specifically, the curved surface fitting soft sheet 1 comprises a nose fitting area 3-1, a chin fitting area 3-2 and a cheek fitting area 3-3 which is used for transitionally connecting the nose fitting area 3-1 and the chin fitting area 3-2, the nose fitting area 3-1 presents a concave-convex shape matched with the periphery of the nose bridge, a first convex part 3-4 which is convex from the nasal wing direction to the nasal bridge direction is formed in the middle of the nose fitting area 3-1, the first convex part 3-4 is supported on the nose bridge and is fitted with the nose bridge, and concave parts 3-5 at two sides of the first convex part 3-4 are tightly fitted with curves at two sides of the nasal wing, so that the seamless fitting of the nose and the base is realized; the chin attaching area 3-2 is formed with a second protruding portion 3-6 which is attached to the chin and has a face protruding outwards, so that seamless attachment of the chin and the curved face attaching film 1 is achieved, the cheek attaching area 3-3 presents a curve shape attached to the face cheek, close attachment of the curved face attaching film 1 to the face is achieved, harmful gas can be effectively prevented from being sucked, and the problem that a pollution source enters the mouth cover from a leakage position due to the fact that a traditional mask and the face cannot be completely attached is avoided.

Specifically, base 3 has been kept away from and has been seted up ring groove 5 on the edge end face with one side of human contact, ring groove 5 is located the filter mantle prevents inhaling the outside of fossil fragments 4, the joint has annular rand 6 in the ring groove 5 to through 2 covers of the filter mantle body on preventing inhaling fossil fragments 4, the edge of the filter mantle body 2 is placed in ring groove 5, annular rand 6 will filter mantle body 2 and be fixed in ring groove 5 in, realize dismantling of the filter mantle body 2 and connect, make the filter mantle body change at any time according to the demand, more sanitary, the base can used repeatedly, save the cost and do benefit to the environmental protection again.

Specifically, the cross section of the annular clamping groove 5 is a C-shaped groove, the C-shaped groove comprises a first arc-shaped part 5-1, a second arc-shaped part 5-2 and a straight line part 5-3, the first arc-shaped part 5-1 and the second arc-shaped part 5-2 are in transition connection through the straight line part 5-2, a limiting clamping strip 5-4 which is bent towards the opening end of the C-shaped groove is formed at the edge of the first arc-shaped part 5-1, the annular clamping ring 6 is enabled to be pressed in the annular clamping groove 5 through the limiting groove 6-1 and the limiting clamping strip 5-4 and not to shake, the edge of the second arc-shaped part 5-2 is a tip, and when the third bulge part 6-2 of the annular clamping ring 6 is plugged into the annular clamping groove 5, one side, which is the second arc-shaped part 5-2, of the annular clamping groove 5 can tightly surround the fourth bulge part 6-3 of the annular clamping, preventing the fourth boss 6-3 from slipping out.

Specifically, the curvature of the first arc-shaped part 5-1 is smaller than the curvature of the second arc-shaped part 5-2, preventing the curvature of the first arc-shaped part 5-1 from being larger than the curvature of the second arc-shaped part 5-2, resulting in the annular collar 6 slipping out of the side wall of the annular clamping groove 5 of the second arc-shaped part 5-2.

Specifically, a third protruding part 6-2 and a fourth protruding part 6-3 which are mutually matched with the first arc-shaped part 5-1 and the second arc-shaped part 5-2 are respectively formed at the two lateral bottoms of the annular clamping ring 6, a limiting groove 6-1 which is mutually matched with the limiting clamping strip 5-4 in shape and size is formed above the third protruding part 6-2 of the annular clamping ring 6, the third protruding part 6-2 and the fourth protruding part 6-3 of the annular clamping ring 6 are plugged into the annular clamping groove 5 by plugging the side, where the fourth protruding part 6-3 is formed, of the annular clamping ring 6 into the second arc-shaped part 5-2, and then the limiting groove 6-1 is clamped into the limiting clamping strip 5-4, so that the annular clamping ring 6 is pressed into the annular clamping groove 5, and the annular clamping groove 5 and the annular clamping ring 6 are tightly buckled, realize annular slot 5 and annular rand 5 to be connected dismantled to realize filtering the connection dismantled of the cover body.

Specifically, the outer edge of the annular clamping ring 5 is provided with a clamping groove 5-5 which is convenient for the annular clamping ring to be detached and fixed, the outer edge of the bottom of the annular clamping ring 6 is provided with a clamping block 6-4 which is matched with the clamping groove 5-5, so that the clamping block 6-4 is clamped into the clamping groove 5-5 which is convenient for the annular clamping ring to be detached and fixed, and the annular clamping ring 6 is convenient to mount and detach.

Specifically, curved surface laminating film 1 with do the sky between the ring groove 5, be formed with compressible space 9, compressible space 9 makes curved surface laminating film 1 can both adapt to with the face of different human bodies, accomplishes seamless laminating for the leakproofness is better, and the laminating degree is better, curved surface laminating film 1 extends to the doughnut center, has increased curved surface laminating film and facial area of contact, and the laminating degree is good and is worn and be difficult to remove behind the close type gauze mask.

Specifically, the filter hood anti-suction keel 4 comprises an arched longitudinal belt 4-1 and an arched transverse belt 4-2 which are connected with each other, the lower ends of the longitudinal belt 4-1 and the arched transverse belt 4-2 are fixedly connected with the top end of the inner side wall of the base 3, the longitudinal belt 4-1 and the arched transverse belt 4-2 form a net structure, and air holes 4-3 are formed between the longitudinal belt 4-1 and the arched transverse belt 4-2, so that the filter hood is supported, the filter hood is prevented from being sucked along with breathing, the whole air permeability of the mask is prevented from being influenced, and the use comfort level of the whole mask is increased.

Specifically, the number of the longitudinal belts 4-1 is one, and the number of the transverse belts 4-2 is two, so that the filter hood anti-suction keel 4 is ensured to play a supporting role, the aperture of the air holes 4-3 is increased, and materials are saved.

Specifically, base 3, ring groove 5, annular rand 6, filter mantle are prevented inhaling fossil fragments 4 and are flexible material, soft material can be silica gel, latex, rubber or resin, base 3 adopts flexible material elasticity good, and the material is soft, when closely laminating with user's face, can not form amazing to user's facial skin.

Specifically, wear rope mounting hole 7 symmetry and be located the both sides of base 3, and the quantity is 2 or more than 2, will wear the rope and install in wearing rope mounting hole 7 for be fixed in facial with the close type gauze mask, wear the rope for having elasticity.

When in use, the filtering cover body 2 is sleeved on the filtering cover anti-suction keel 4, the edge of the filtering cover body 2 is pressed in the annular clamping groove 5 through the annular clamping groove 5, one side of the annular clamping ring 6 with the fourth convex part 6-3 is firstly plugged in the second arc part 5-2, so that the third convex part 6-2 and the second convex part 6-3 of the annular clamping ring 6 are plugged in the annular clamping groove 5, then the limiting groove 6-1 is clamped in the limiting clamping strip 5-4, the annular clamping ring 6 is pressed in the annular clamping groove 5, the annular clamping groove 5 and the annular clamping ring 6 are tightly buckled, the clamping block 6-4 is clamped in the clamping groove 5-5 which is convenient for the annular clamping ring to be detached and fixed, the installation and the detachment of the annular clamping ring 6 are convenient, the wearing rope of the installed tight type mask is sleeved on the ear part to be used, when the filtering cover body 2 needs to be replaced, the annular clamping ring 6 can be detached from the annular clamping groove 5 only by taking the clamping blocks 6-4 out of the clamping grooves 5 of the annular clamping groove 5, the filtering cover body 2 can be replaced with a new one, the detachable connection of the filtering cover body 2 is realized, and the base 3 is used for shaping the closed mask, plays a role in fixing and supporting the filtering cover body 2 and is used for closing the closed mask and the face of a human body. The annular clamping groove 5 is matched with the annular clamping ring 6 and used for fixing and detaching the filtering cover body 2. Prevent inhaling fossil fragments 4 and filter the cover body 2 and be inhaled by atmospheric pressure when in order to prevent breathing, curved surface laminating film 1 is the part with people's face direct contact, makes with flexible material, does empty annular circle for the mid portion, forms compressible space 9 promptly in the middle of can having good laminating degree with each position of people's face. The filtering cover body 2 can be replaced at any time according to requirements, the base 3 can be reused, and the use cost of the closed mask is reduced.

The above description is only a preferred embodiment of the present invention, and all other embodiments obtained by those skilled in the art without any creative effort shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a close-fitting type gauze mask of removable filter mantle which characterized in that: it is including middle open-ended base (3) with facial laminating completely, can dismantle on base (3) and be fixed with the filtration cover body (2), base (3) are close to human facial one side shaping and have curved surface laminating film (1), and its opposite side is seted up and is convenient for filter the cover body (2) and can dismantle fixed ring groove (5), the joint has ring rand (6) in ring groove (5).

2. The conformable mask according to claim 1, wherein said filtering mask body is replaceable by: the curved surface attaching soft sheet (1) is an annular ring matched with the contour of a human face and extends from the outer side of the base (3) to the center of the annular ring, the curved surface attaching soft sheet (1) comprises a nose attaching area (3-1), a chin attaching area (3-2) and a cheek attaching area (3-3) which connects the nose attaching area (3-1) with the chin attaching area (3-2) in a transition mode, the nose attaching area (3-1) presents a concave-convex shape matched with the periphery of a nose bridge, a first protruding portion (3-4) protruding towards the nose bridge direction from the nose wing direction is formed in the middle of the nose attaching area (3-1), the first protruding portion (3-4) is supported on the nose bridge and attached to the nose bridge, concave portions (3-5) on two sides of the first protruding portion (3-4) are tightly attached to curves on two sides of the nose wing, the chin rest area (3-2) is formed with a second convex portion (3-6) which is convex outward from the face and is in contact with the chin, and the cheek rest area (3-3) is curved to fit the cheek of the face.

3. The conformable mask according to claim 1, wherein said filtering mask body is replaceable by: the cross section of the ring-shaped clamping groove (5) is a C-shaped groove, the C-shaped groove comprises a first arc-shaped portion (5-1), a second arc-shaped portion (5-2) and a straight line portion (5-3), the first arc-shaped portion (5-1) and the second arc-shaped portion (5-2) are in transitional connection through the straight line portion (5-3), a limiting clamping strip (5-4) which is bent towards the opening end of the C-shaped groove is formed in the edge of the first arc-shaped portion (5-1), and the edge of the second arc-shaped portion (5-2) is a pointed end.

4. The conformable mask according to claim 3, wherein said filtering mask body is replaceable by: the curvature of the first arc-shaped part (5-1) is smaller than the curvature of the second arc-shaped part (5-2).

5. The conformable mask according to claim 3, wherein said filtering mask body is replaceable by: and a third convex part (6-2) matched with the first arc-shaped part (5-1) and a fourth convex part (6-3) matched with the second arc-shaped part (5-2) are formed on two sides of the annular clamping ring (6) respectively, and a limiting groove (6-1) matched with the limiting clamping strip (5-4) in shape and size is formed above one side of the annular clamping ring (6) positioned on the third convex part (6-2).

6. The conformable mask according to claim 1, wherein said filtering mask body is replaceable by: and a compressible space (9) is formed between the curved surface attaching film (1) and the annular clamping groove (5).

7. The conformable mask according to claim 1, wherein said filtering mask body is replaceable by: keep away from on base (3) one side shaping with human facial contact has the filter mantle that is used for supporting the filter mantle and prevents inhaling fossil fragments (4) of the cover body (2), ring groove (5) are located the filter mantle prevents inhaling the outside of fossil fragments (4).

8. The conformable mask according to claim 1, wherein said filtering mask body is replaceable by: the outer edge of the annular clamping ring (5) is provided with a clamping groove (5-5) which is convenient for the annular clamping ring to be detached and fixed, and the outer edge of the bottom of the annular clamping ring (6) is provided with a clamping block (6-4) which is matched with the clamping groove (5-5).

9. The conformable mask according to claim 1, wherein said filtering mask body is replaceable by: the base (3) is symmetrically fixed with wearing rope mounting holes (7) on two sides of the face, and the number of the wearing rope mounting holes (7) is 2 or more than 2.