CN207237097U - Dust-proof haze-proof mask - Google Patents

Abstract

Dust-proof haze-proof mask is formed by seal closure, installed in the positive Inlet Network plastic lid with air admission hole of seal closure, filter and breathing valve block；The fitting groove positioning strip that can assemble filter and breathing valve air gate are provided with plastic lid；Valve block is breathed to be installed on breathing valve air gate；The edge of plastic lid is provided with upright fixation wall；Hollow out air inlet net and hollow out outlet net are provided with the surface of plastic lid；Respectively there are two diamond shape heads of a nail on plastic lid outer edge two sides, hung on the diamond shape head of a nail and be connected with elastic band；Filter in the utility model is arc HEPA foldable filter elements, and air drag is small, and filter efficiency value is high, convenient for disassembly and assembly；Seal closure and plastic lid close fit, good airproof performance；Closely, elastic silica gel seal closure can be automatically adjusted so that with the perfect sealing of nose, bottom can make breathing position and outside contamination source completely isolated with the perfect sealing of lower jaw according to different sizes for sealing of the seal closure to filter；Seal closure only covers nose and face during use, at regular intervals between face inside seal closure, the basic activity such as speak will not be impacted, small light weight, and applicability is extensive.

Description

Dust-proof haze-proof mask

Technical field

The utility model belongs to filter-type mask technical field, and in particular to be a kind of washable its internal filter of replacement Dust-proof haze-proof mask.

Background technology

The industrial high speed development of China in Recent Years, environment is because of industrial gas emission, especially northern heavy industry pollution, all kinds of friendships The factors such as logical instrument exhaust emissions, crop straw burning, one, which enters autumn and winter China's most area, there is serious haze weather, mist Molecule in haze weather easily enters respiratory tract by human body respiration, lung, angiocarpy etc. induces a variety of diseases, Yan Ying People's health is rung.

People's air filter mask similar to the exploitation of such haze weather has and very much, has common non-woven fabrics once Property filter face mask, also there are some to wear and dismantle cumbersome electric filtering apparatus, also there is the bad industrial anti-dust of some filter effects to use Mask, including the primary mask with ear band, breath component is equipped with primary mask, breathes component, breath bone Hollow cryptomere filter bag is respectively coated by frame, a pair of of the breath skeleton for being coated with hollow cryptomere filter bag is respectively assembled at fixation In the skeleton hole of stent；Support bracket fastened bottom is provided with check valve；Support bracket fastened outer surface covering is provided with air inlet net Cover, is coated with a pair of of breath skeleton of hollow cryptomere filter bag between fixing bracket and air inlet guard；Fixing bracket is carried on the back Side is connected with sealing nose cup, and sealing nose cup includes the soft silica gel part with nasal contact, and soft silica gel partial rear is fixedly connected with Hard plastic part, hard plastic part are connected with fixing bracket；The practicality is low, and dismounting and change filter is inconvenient；Since this is exhaled The hollow cryptomere filter bag inhaled in mask is HEPA filters, needs to be fixed to bone with retaining element in process of production On frame, the sealing effect after fixing between skeleton is bad；And user is in use if desired to HEPA filters Carry out replacing very inconvenient, it is necessary to which retaining element is dismantled, could be replaced.

In addition existing mask, adaptability all not enough extensively, the different human body bridge of the nose, the size at chin position not phase Together, the sealing structure that in most cases mask is contacted with human face well cannot seal wearer, cause not Exhaust gas can be completely cut off completely, the assembling of the mask fixing bracket and seal closure that either have close can not easily produce gas leakage or appearance Easy loose or dislocation.

Utility model content

The purpose of this utility model is in view of the deficiencies of the prior art, there is provided a kind of filter material replaces simple, wearing leakproofness Good, filter area is big, the small dust-proof haze-proof mask of inspiratory resistance.

The utility model is achieved through the following technical solutions：Dust-proof haze-proof mask, is by seal closure, installed in sealing Cover the positive Inlet Network plastic lid with air admission hole, filter and breathing valve block composition；Being provided with the plastic lid to fill Fitting groove positioning strip and breathing valve air gate with filter；Valve block is breathed to be installed on breathing valve air gate；The side of plastic lid Upright fixation wall is provided with edge；Hollow out air inlet net and hollow out outlet net are provided with the surface of plastic lid；Outside plastic lid Respectively there are two diamond shape heads of a nail on edge two sides, hung on the diamond shape head of a nail and be connected with elastic band.

Breathing valve block mounting post is provided with the breathing valve air gate.

Mounting hole is provided with the marginal edge that the plastic lid is fixed on wall.

Air intake window, outlet window, breather valve grooving are provided with the seal closure, and its air intake window on plastic lid with pacifying The corresponding setting of the filter of dress forms, and set corresponding with the breathing valve block installed on plastic lid of outlet window forms, be allowed into The unique passage of gas is by filter, and the unique passage of exhaled gas is by breathing valve block；Set in breather valve grooving There is breather valve mounting hole.

The breathing valve block forms for one-way breather valve piece.

The opposite longitudinal side edge of the seal closure is provided with seal groove and fixed nailing strip, its seal groove and fixed nailing strip and plastic lid The fixation wall that edge is set, which mutually links closely, to be formed, so that seal closure after plastic lid fastening installation with being not easy to loosen.

The seal closure forms for silica gel material, and the front edge of seal closure sets the curling of single-layer arcuate varus, is allowed to have There is good elasticity, thus it is preferable with face leakproofness；And the outer ledge of seal closure is provided with edge fixing groove, seal closure Upper end set in concave at the bridge of the nose, it is convenient to be fitted close with the bridge of the nose of people.

The filter is in 106 degree of bending arcs, is made of HEPA folded filter papers and hard tissue paper arc-shaped frame Dry type filter, make via area big, breathing freely it is unobstructed.

The elastic band is integrally formed by food grade silicone material and is made, and there are 5 centimetres of connections in centre, separates two Lattice framing, two respectively have 4 holes to be adjusted for size requirement, and elastic stretching can tip the enterprising enforcement of the diamond shape head of a nail on plastic lid in With.

The thin slice that the breather valve slice foodstuffs level silica gel is made, centre are provided with a hole, which is directly installed in The breathing valve block mounting post on breathing valve air gate on plastic lid, realizes spacing one-way outlet.

During the utility model mask air-breathing, the closed check valve of valve block is breathed, air is from Inlet Network into and through filtering Device is obtained by filtration pure air, and the check valve that when expiration breathes valve block is opened, and exhaust gas is discharged from Inlet Network lower part.

The beneficial effects of the utility model, which embody, to be：Compared with prior art, the filter in the utility model is arc Shape HEPA foldable filter elements, air drag is small, and filter efficiency value is high, convenient for disassembly and assembly；Seal closure and plastic lid close fit, leakproofness Good, comfortable wearing, filter is directly installed in plastic lid therefore convenient for disassembly and assembly；Sealing of the seal closure to filter is very tight Close, elastic silica gel seal closure can be automatically adjusted so that sealant top according to the difference of different users' face organ's size Portion can make breathing position and outside contamination source completely isolated with the perfect sealing of nose, bottom with the perfect sealing of lower jaw；During use Seal closure only covers nose and face, at regular intervals between face inside seal closure, does not seal mouth, will not wait substantially speaking Activity impacts, small light weight, and applicability is extensive.

Brief description of the drawings

The utility model is described in detail below in conjunction with the accompanying drawings.

Fig. 1 is the plastic lid reverse structure schematic in the utility model.

Fig. 2 is the positive structure schematic of Fig. 1.

Fig. 3 is the seal closure schematic perspective view in the utility model.

Fig. 4 is 3 side view.

Fig. 5 is the filter schematic diagram in the utility model.

Fig. 6 is the breathing valve block schematic diagram in the utility model.

Fig. 7 is the elastic band schematic diagram in the utility model.

Following is the specific name respectively identified in figure：1st, plastic lid；2nd, seal closure；3rd, filter；4th, valve block is breathed；5th, it is loose Taut band；101st, fitting groove positioning strip；102nd, fitting groove positioning strip；103rd, the diamond shape head of a nail；104th, fitting groove positioning strip；105th, breathe Valve air gate；106th, fixed wall；107th, mounting hole；108th, valve block mounting post is breathed；109th, hollow out air inlet net and hollow out outlet net； 201st, air intake window；202nd, fixed nailing strip；203rd, breather valve grooving；204th, breather valve mounting hole；205th, edge fixing groove；206th, nose Concave at beam.

Embodiment

As shown in Figures 1 to 7, dust-proof haze-proof mask, is by seal closure 2, positive with air admission hole installed in seal closure 2 Inlet Network plastic lid 1, filter 3 and breathing valve block 4 form；The assembling that can assemble filter 3 is provided with the plastic lid 1 Groove positioning strip（102、102、104）And breathing valve air gate 105；Valve block 4 is breathed to be installed on breathing valve air gate 105；Plastics The edge of lid 1 is provided with upright fixation wall 106, which can closely fill with the edge fixing groove 205 of silica gel sealing cover 2 Match somebody with somebody, be not easy loose or dislocation；Hollow out air inlet net and hollow out outlet net 109 are provided with the surface of plastic lid 1；1 outer edge of plastic lid Respectively there are two diamond shape heads of a nail 103 on two sides, hung on the diamond shape head of a nail 103 and be connected with elastic band 5, elastic band 5 is adjustable to wear It is worn on the head.

Breathing valve block mounting post 108 is provided with the breathing valve air gate 105 so that breathing valve block 4 is installed in it Pinned afterwards by breathing valve block mounting post 108.

Mounting hole 107 is provided with the marginal edge that the plastic lid 1 is fixed on wall 106.

As shown in Figure 3 to Figure 4, air intake window 201, outlet window, breather valve grooving 203 are provided with the seal closure 2, and And the setting corresponding with the filter 3 installed on plastic lid 1 of its air intake window 201 forms, outlet window is exhaled with what is installed on plastic lid 1 Inhale the corresponding setting of valve block 4 to form, it is by filter 3 to be allowed to the unique passage of air inlet, and the unique passage of exhaled gas is By breathing valve block 4；Breather valve mounting hole 204 is provided with breather valve grooving 203.

The breathing valve block 4 forms for one-way breather valve piece.

As shown in Figure 1 to Figure 2, the opposite longitudinal side edge of the seal closure 2 is provided with seal groove and fixed nailing strip 202, it is sealed 106 phase of fixation wall that groove and fixed nailing strip 202 are set with 1 edge of plastic lid, which links closely, to be formed, so that seal closure 2 and plastic lid It is not easy to loosen after 1 fastening installation.

As shown in Figure 3 to Figure 4, the seal closure 2 forms for silica gel material, and the front edge of seal closure 2 sets individual layer arc Shape varus crimps, with good elasticity, therefore it is preferable with face leakproofness；And the outer ledge of seal closure 2 is set There is edge fixing groove 205, the upper end of seal closure 2 is set in concave 206 at the bridge of the nose, convenient to be fitted close with the bridge of the nose of people.

The filter 3 is in 106 degree of bending arcs, is by HEPA folded filter papers and hard tissue paper arc-shaped frame group Into dry type filter, make via area big, breathing freely it is unobstructed.

The elastic band 5 is integrally formed by food grade silicone material to be made, and there are five centimetres of connections in centre, separates two A lattice framing, two respectively have four holes to be adjusted for size requirement, and elastic stretching can be tipped in carry out on the diamond shape head of a nail on plastic lid Use.

The thin slice that breathing 4 food grade silicone of valve block is made, centre are provided with a circular hole, which directly fills The breathing valve block mounting post 108 on breathing valve air gate 105 on plastic lid 1, realizes spacing one-way outlet.

During the utility model mask air-breathing, the closed check valve of valve block is breathed, air is from Inlet Network into and through filtering Device is obtained by filtration pure air, and the check valve that when expiration breathes valve block is opened, and exhaust gas is discharged from Inlet Network lower part.

The mounting means of the utility model is with operation principle：First the circular hole breathed among valve block 4 is gone out mounted in breather valve In breathing valve block mounting post 108 on gas port 105, then the fitting groove positioning strip by arc filter 3 mounted in filter 3（102、 102、104）It is interior；Then silica gel sealing cover 2 is alignd with 1 edge fixing groove 205 of plastic lid and fixed wall 206, silica gel sealing cover 2 Fixed nailing strip 202 and the contraposition clamping of 1 edge mounting hole 107 of plastic lid, while pay attention to breathing valve air gate 105 and silica gel breather valve Grooving 203 aligns, and silica gel sealing cover air intake window 201 is aligned with arc filter to be locked so that 3 edge of filter occurs without gas leakage； Elastic band 5 is worn hole again to be accordingly mounted on the Inlet Network plastic lid diamond shape head of a nail 103 according to personal elastic requirement, you can wear, Comfortable wearing, does not influence face activity speech, during air-breathing, closed check valve, air is from Inlet Network into and through HEPA mistakes Pure air is obtained by filtration in filter 3；Check valve is opened during expiration, and exhaust gas is discharged from air outlet.

Claims (9)

1. dust-proof haze-proof mask, is by seal closure, installed in seal closure positive Inlet Network plastic lid, filter with air admission hole And breathing valve block composition；It is characterized in that：The fitting groove positioning strip that can assemble filter is provided with the plastic lid and is exhaled Inhale valve air gate；Valve block is breathed to be installed on breathing valve air gate；The edge of plastic lid is provided with upright fixation wall；Plastics Hollow out air inlet net and hollow out outlet net are provided with the surface of lid；Respectively there are two diamond shape heads of a nail on plastic lid outer edge two sides, Suspension is connected with elastic band on the diamond shape head of a nail.

2. dust-proof haze-proof mask according to claim 1, it is characterised in that：Be provided with seal closure air intake window, outlet window, Breather valve grooving, and the setting corresponding with the filter installed on plastic lid of its air intake window forms, in outlet window and plastic lid The corresponding setting of the breathing valve block of installation forms, and it is by filter to be allowed to the unique passage of air inlet, and exhaled gas is unique Passage is by breathing valve block；Breather valve mounting hole is provided with breather valve grooving.

3. dust-proof haze-proof mask according to claim 1, it is characterised in that：The opposite longitudinal side edge of seal closure is provided with seal groove With fixed nailing strip, fixation wall that its seal groove and fixed nailing strip are set with plastic lid edge, which mutually links closely, to be formed, so that sealing Cover after plastic lid fastening installation with being not easy to loosen.

4. dust-proof haze-proof mask according to claim 1, it is characterised in that：Valve block is breathed to form for one-way breather valve piece, Seal closure forms for silica gel material, and the front edge of seal closure sets the curling of single-layer arcuate varus；And the outer side edges of seal closure Edge is provided with edge fixing groove, and the upper end of seal closure is set in concave at the bridge of the nose.

5. dust-proof haze-proof mask according to claim 1, it is characterised in that：Filter is in 106 degree of bending arcs, be by The dry type filter of HEPA folded filter papers and hard tissue paper arc-shaped frame composition.

6. dust-proof haze-proof mask according to claim 1, it is characterised in that：Elastic band by food grade silicone material one into Type is made, and there are five centimetres of connections in centre, separates two lattice framings, and two respectively has four holes to be adjusted for size requirement.

7. dust-proof haze-proof mask according to claim 1, it is characterised in that：Breather valve slice foodstuffs level silica gel is made Thin slice, centre are provided with a hole.

8. dust-proof haze-proof mask according to claim 1, it is characterised in that：Breathing valve block is provided with breathing valve air gate Mounting post, breathing valve block form for one-way breather valve piece.

9. dust-proof haze-proof mask according to claim 1, it is characterised in that：Set in the marginal edge that plastic lid is fixed on wall There is mounting hole.