CN213463913U - Removable filter assembly's gauze mask - Google Patents

Abstract

The utility model discloses a removable filter assembly's gauze mask, including the supporting framework of stereoplasm, supporting framework's uplift forward, supporting framework's edge is provided with sealed the pad, has seted up the blow vent on the supporting framework, and supporting framework's surface is provided with the water blocking layer, blow vent department is provided with detachable cover ring, and the centre gripping has the filter core between cover ring and the supporting framework, filter core and apron and supporting framework between for the components of a whole that can function independently structure, the utility model discloses can reuse major structure, only need change the less filter core of size can, avoid extravagant, and the gauze mask can not paste in oronasal department, remains throughout and has good breathing space.

Description

Removable filter assembly's gauze mask

Technical Field

The utility model belongs to the gauze mask field, more specifically the gauze mask that relates to a removable filter assembly that says so.

Background

The protective mask is a respiratory protection article aiming at preventing the transmission of some respiratory infectious microorganisms and protecting the health.

At present, in daily use, people usually wear disposable plane masks to prevent virus infection, the disposable plane masks are made of soft PP materials, and the nose bridge clip can be adjusted most comfortably according to different face shapes. It is designed for the health of people, and is designed to prevent the filtration of some visible or invisible substances harmful to the human body, thereby not giving unnecessary influence to the human body.

Present plane gauze mask has the three-layer usually, from interior to exterior is moisture absorption layer, filter layer and water barrier in proper order, and wherein the filter layer adopts melt-blown cloth usually, and plane gauze mask pastes on the face when using, especially will paste in the department of the mouth nose, and the space is little between gauze mask and the face, wears for a long time and breathes unsmooely, and usually to plane gauze mask, can realize filterable part only in the just right region of mouth nose, and remaining part is though also having filtering capability, but the air of breathing is difficult to pass through, causes except that remaining filtration of mouth nose department all to cause unnecessary waste.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a can reuse major structure, only need change the less filter core of size can, avoid extravagant, and the gauze mask can not paste in oronasal department, remains throughout to have good breathing space.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a removable filter assembly's gauze mask, includes the supporting framework of stereoplasm, supporting framework's the uplift forward, and supporting framework's edge is provided with sealed the pad, has seted up the blow vent on the supporting framework, and supporting framework's surface is provided with the water blocking layer, blow vent department is provided with the detachable cover ring, and the centre gripping has the filter core between cover ring and the supporting framework, filter core and apron and supporting framework between be the components of a whole that can function independently structure.

Further the supporting framework is made of hard plastics.

The supporting framework further comprises a plurality of criss-cross rods and longitudinal rods.

Furthermore, a limiting groove is formed in the side wall, corresponding to the vent, of the supporting framework, and a limiting protrusion matched with the limiting groove is formed in the side wall of the cover ring.

Further the spacing recess is provided with a plurality of, and a plurality of spacing recess is along circumference evenly distributed.

Further, the two sides of the cover ring are respectively a pressing surface and an operating surface, an outer flange is arranged on one side of the operating surface, and an operating gap is reserved between the outer flange and the supporting framework.

Furthermore, an inner flange is arranged at the position, corresponding to the vent hole, of the supporting framework, a clamping seam is formed between the pressing surface of the cover ring and the inner flange, and the filter element is located in the clamping seam.

The inner flange is further arranged on one surface of the support framework facing to the outer side.

Furthermore, a moisture absorption layer is arranged on the inner surface of the supporting framework.

Further the sealing gasket is made of silica gel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in through the supporting framework who sets up the stereoplasm, when wearing, the sealed pad contact person's of wearing face at supporting framework edge realizes good sealed effect, and supporting framework makes the main part of whole gauze mask can not press close to oronasal department, but remains certain breathing space, through the filter core realization of vent department with external air exchange, after finishing using, only need change one filter core (effective filtering component) during the secondary use can, easy dismounting can reuse.

Drawings

Fig. 1 is a side view of a mask with a replaceable filter assembly according to the present invention;

FIG. 2 is a schematic view of a part of the structure of the supporting frame of the present invention;

FIG. 3 is a schematic view of the layer structure of the middle water-blocking layer, the supporting frame and the moisture absorption layer of the present invention;

FIG. 4 is a schematic view of the middle cover ring and the filter element of the present invention not mounted on the supporting frame;

fig. 5 is a schematic view of the middle cover ring and the filter element of the present invention being assembled on the supporting frame.

Reference numerals: 11. a gasket; 12. an ear band; 13. a vent; 2. a filter element; 3. a support framework; 31. a cross bar; 32. a longitudinal bar; 33. a limiting groove; 34. an inner flange; 4. a moisture-absorbing layer; 5. a water resistant layer; 6. a cover ring; 61. a limiting bulge; 62. an outer flange; 63. the slit is manipulated.

Detailed Description

The embodiment of the mask with replaceable filter assembly of the present invention will be further described with reference to fig. 1 to 5.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The utility model provides a removable filter assembly's gauze mask, includes the supporting framework 3 of stereoplasm, the uplift forward of supporting framework 3, and the edge of supporting framework 3 is provided with sealed the pad 11, has seted up blow vent 13 on the supporting framework 3, and the surface of supporting framework 3 is provided with water blocking layer 5, blow vent 13 department is provided with detachable cover ring 6, and the centre gripping has filter core 2 between cover ring 6 and the supporting framework 3, filter core 2 and apron and supporting framework 3 between for the components of a whole that can function independently structure.

The inner surface of the support framework 3 is preferably provided with a moisture absorption layer 4 in the embodiment, wherein the moisture absorption layer 4 and the water-resistant layer 5 can be made of the same material as that of the mask in the prior art, and the filter element 2 can be made of the material of the corresponding protection grade according to the requirement.

The sealing gasket 11 is preferably made of silica gel, and the silica gel has good fitting property with the face when being worn, can automatically deform to supplement the gap, and keeps a good sealing effect.

The mask of this embodiment can be worn by attaching the mask to the supporting frame 3 using ear bands 12 or a headband.

The preferred support framework 3 in this embodiment is a shape-copying arrangement, for example, it can be used to copy the overall shape of the mouth and nose of an animal, as long as it is ensured that the positions except the edge are all at a certain distance from the face, and a larger breathing space is realized.

When the mask is used, the filter element 2 is replaced according to the requirement, and the filter element 2 discarded after the filter element 2 is replaced every time is at least 1/10 of the common disposable plane mask, so that the waste is greatly reduced.

In the present embodiment, the supporting frame 3 is preferably made of rigid plastic, specifically, as shown in fig. 2, the supporting frame 3 includes a plurality of criss-cross crossbars 31 and vertical bars 32, the crossbars 31 and the vertical bars 32 are integrated at the staggered positions, and the supporting frame 3 may be formed by injection molding or thermosetting.

The preferred lateral wall that support chassis 3 corresponds vent 13 department of this embodiment is provided with spacing recess 33, be provided with spacing arch 61 with spacing recess 33 complex on the lateral wall of cover ring 6.

The cover ring 6 and the supporting framework 3 clamp and fix the filter element 2, and the cover ring 6 and the supporting framework 3 can be fixed through the limiting protrusion 61 and the limiting groove 33, so that the automatic falling is avoided.

The preferred spacing recess 33 of this embodiment is provided with a plurality of, and a plurality of spacing recess 33 is along circumference evenly distributed, compares in annular spacing recess 33 and annular spacing arch 61, and a plurality of spacing recess 33 carry out the circumference and distribute and can reduce the installation and dismantle the required power of using of cover ring 6, makes things convenient for the dismouting.

Of course, in this embodiment, the support frame 3 may have the limiting protrusion 61, and the cover ring 6 has the limiting groove 33, or the support frame 3 may have the limiting protrusion 61 and also have the limiting groove 33, and at this time, only the corresponding position on the cover ring 6 is required to be provided with the limiting groove 33 and the limiting protrusion 61.

In this embodiment, two sides of the cover ring 6 are a pressing surface and an operation surface, respectively, an outer flange 62 is disposed on one side of the operation surface, and an operation gap 63 is left between the outer flange 62 and the support frame 3.

The access aperture 63 is provided to facilitate the wearer's application of force to the cover ring 6 outwardly for easy removal by hand, as shown in figure 5.

In the preferred embodiment, an inner flange 34 is disposed at a position of the support framework 3 corresponding to the vent 13, a clamping seam is formed between the pressing surface of the cover ring 6 and the inner flange 34, and the filter element 2 is located in the clamping seam.

The inner flange 34 and the side wall of the vent 13 form a step, the filter element 2 is arranged on the step and is pressed and fixed by the pressing surface of the cover ring 6, and the filter element 2 does not need to be clamped between the cover ring 6 and the side surface of the vent 13.

The inner flange 34 is preferably provided on the outward facing surface of the support frame 3, that is, the operation surface is located inside the mask, and it is not necessary to worry about the cover ring 6 being scraped by foreign matter and falling off when wearing the mask, and it is only necessary to operate the mask from the inside when attaching and detaching the filter element 2.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a removable filter assembly's gauze mask which characterized in that: including the supporting framework of stereoplasm, the uplift forward of supporting framework, the edge of supporting framework is provided with sealed the pad, has seted up the blow vent on the supporting framework, and the surface of supporting framework is provided with the water blocking layer, blow vent department is provided with the detachable cover ring, and the centre gripping has the filter core between cover ring and the supporting framework, filter core and apron and supporting framework between be the components of a whole that can function independently structure.

2. The replaceable filter module facemask of claim 1, wherein: the supporting framework is made of hard plastics.

3. The replaceable filter assembly facemask of claim 2, wherein: the supporting framework comprises a plurality of criss-cross rods and longitudinal rods.

4. A removable filter assembly facemask as recited in claim 3, wherein: the side wall of the support framework corresponding to the vent hole is provided with a limiting groove, and the side wall of the cover ring is provided with a limiting bulge matched with the limiting groove.

5. The replaceable filter assembly facemask of claim 4, wherein: the limiting grooves are provided with a plurality of limiting grooves which are evenly distributed along the circumference.

6. The replaceable filter assembly facemask of claim 5, wherein: the both sides of lid ring are respectively for pressing face and operation face, and one side of operation face is provided with the outward flange, leaves the operation gap between outward flange and the support chassis.

7. The replaceable filter assembly facemask of claim 6, wherein: an inner flange is arranged at the position, corresponding to the vent hole, of the supporting framework, a clamping seam is formed between the pressing surface of the cover ring and the inner flange, and the filter element is located in the clamping seam.

8. The replaceable filter assembly facemask of claim 7, wherein: the inner flange is arranged on one surface of the support framework facing to the outer side.

9. The replaceable filter module facemask of claim 8, wherein: and the inner surface of the supporting framework is provided with a moisture absorption layer.

10. The replaceable filter module facemask of claim 9, wherein: the sealing gasket is made of silica gel.

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