CN201869814U

CN201869814U - Mask

Info

Publication number: CN201869814U
Application number: CN2010205781334U
Authority: CN
Inventors: 陈琳彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-21
Filing date: 2010-10-21
Publication date: 2011-06-22
Anticipated expiration: 2020-10-21

Abstract

The utility model belongs to the field of a respiratory protection device. The mask structurally comprises a mask main body (1), a non-woven fabric cover body (2), an expiratory valve (3) and other components, and is characterized in that the mask main body (1), the non-woven fabric cover body (2), the expiratory valve (3) and other components are designed into a structure which can be combined and disassembled. After the mask for filtering is used, only the non-woven fabric cover body (2) is required to be changed, but the mask main body (1), the expiratory valve (3) and other components can be reserved and reused, so that the mask is more consistent with the demands of environmental protection and economic interests of consumers.

Description

A kind of mouth mask

Technical field

The utility model belongs to the respiratory protection equipment field, is specifically related to a kind of mouth mask that can dismantle at any time and assemble.

Background technology

The people who in higher contaminated environment, works, in order to prevent that oneself from sucking airborne pollutant, mostly need to use mouth mask with filtering efficiency structure, and down general on time employed mouth mask with filtering efficiency structure, though kind is a lot, but, can be divided into following two kinds approximately with the structure constituted mode of outlet valve and mask main body:

The 1st type, outlet valve and mask main body are designed to the one constituted mode, U.S.'s patent of invention US5325892 for example, the mouth mask that this frame mode constituted, topmost shortcoming be exactly outlet valve and mask main body be that one constitutes, can't reuse, in other words, after finishing using, outlet valve and mask main body all must abandon, not only do not meet environmental protection efficacy, can't meet consumer's economic interests demand yet.

The 2nd type, mouth mask is designed to include: outlet valve, member such as filter course and mask main body, U.S.'s patent of invention US4630604 for example, the mouth mask that this frame mode constituted, though in the use, filter course in it is removable filter material, outlet valve and mask main body can keep after use again to be reused, but the material that its topmost shortcoming is exactly a mask main body is not an adhesive-bonded fabric, but make by the relatively poor material of air impermeability and flexibility, elastomeric material for example, its adaptation on wearing is relatively poor, does not also have absorbing sweat usefulness, so wear more uncomfortable, and also more complicated of the composition member of this mouth mask, cause its cost of manufacture also high relatively.

Summary of the invention

Main purpose of the present utility model is to provide that a kind of softness is comfortable, adaptation good, mask main body and adhesive-bonded fabric cover body and the outlet valve three can be combined into one and the mouth mask that can dismantle at any time and assemble.

A kind of mouth mask is characterized in that:

Described mouth mask comprises:

Mask main body 1, have one and outwards protrude the through hole grid 11 in space, has pack main body flaring 12 outside a section in the periphery of through hole grid 11, on the both ends of the surface of this main body flaring 12, be provided with the main body through

hole

13,14 of symmetry, it is to go in these two pairs of main body through

holes

13,14 that flexible two

frenulums

15,16 of tool intert respectively, at described through hole grid 11 front end central parts, has a body openings 17;

Adhesive-bonded fabric cover body 2, has the adhesive-bonded fabric cover 21 in identical shaped outside protrusion space for what make with mask main body 1 with the adhesive-bonded fabric material, in the periphery of adhesive-bonded fabric cover 21, have outer folding cover body flaring 22, have a cover body opening 23 at adhesive-bonded fabric cover 21 front end central parts;

Outlet valve 3 comprises seat 33 and outlet valve back seat 34 in outlet valve front stall 31, outlet valve diaphragm 32, the outlet valve.

The beneficial effects of the utility model are: member designs such as mask main body, adhesive-bonded fabric cover body and outlet valve are become capable of being combined and the architectural characteristic of dismounting again, impel the utility model after using, only need to change the adhesive-bonded fabric cover body, and mask main body and outlet valve member, then can keep again and to reuse, meet environmental protection and consumer's economic interests demand, with the material of mask main body be designed to by breathe freely, the adhesive-bonded fabric of absorbing sweat constitutes, make it soft comfortable on wearing, and adaptation is also better.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2,3 is a three-dimensional combination figure of the present utility model;

Fig. 4,5 outlet valve structures of the present utility model amplify legend;

Fig. 6 is a section plan of the present utility model;

Enforcement legend when Fig. 7 is the unlatching of the utility model outlet valve diaphragm;

Enforcement legend when Fig. 8 is the utility model outlet valve diaphragm closure.

Reference numeral

1 mask main body

11 through hole grids, 12 main body flarings

13,14 main body through holes

15,16 frenulums, 17 body openings

2 adhesive-bonded fabric cover bodies

21 covers, 22 cover body flarings

23 cover body openings

3 outlet valves

31 outlet valve front stalls

311 protrude seat surface 312 protrudes the hole seat

313 front stall through holes, 314 outer folding chimbs

Skew wall face before 315

32 outlet valve diaphragms

321 diaphragm through holes

Seat in 33 outlet valves

Protrude seat surface before 330 outer-diameter threads 331

332 backs are protruded seat surface 333 and are protruded the seat limit

334 gum covers 335 wall that retreads

336 plug housings, 337 latches

338 ribs, 339 internal diameter edge faces

34 outlet valve back seats

341 internal diameter screws, 342 outer folding seat limits

The specific embodiment

For can be for member composition characteristic of the present utility model, and each relationships between components position further understands, and cooperates following accompanying drawing, is described as follows in detail again:

See also Fig. 1-6, structure of the present utility model includes: members such as mask main body 1, adhesive-bonded fabric cover body 2 and outlet valve 3.

Mask main body 1 is made into has an outside through hole grid 11 that protrudes the space, then design the outer pack main body flaring 12 that moulding has one section suitable length in the periphery of through hole grid 11, on the left and right sides both ends of the surface of this main body flaring 12, offer the main body through

hole

13,14 of symmetry shape, but 15,16 fens other interspersed systems of flexible two frenulums of sacrificial vessel are gone in these two pairs of main body through holes 13,14.In addition, at the through hole grid 11 front end central parts that outwards protrude the space, then offer moulding and have a body openings 17.

Adhesive-bonded fabric cover body 2, it is made with the adhesive-bonded fabric material has suitable thickness, its face shaping, then be made into the cover 21 that has identical shaped outside protrusion space with mask main body 1, periphery at cover 21, the design moulding has the outer folding cover body flaring 22 of one section suitable length, and at the cover 21 front end central parts that outwards protrude the space, offer moulding and have a cover body opening 23 with mask main body 1 through hole grid 11 front end central part body openings 17 identical sizes, this adhesive-bonded fabric cover body 2 is when assembling, its cover 21 can be layered in the through hole grid 11 of mask main body 1, and make the cover body opening 23 of adhesive-bonded fabric cover body 2 front end central parts, correspond to the body openings 17 of mask main body 1 front end central part, the cover body flaring 22 on the adhesive-bonded fabric cover body 2 corresponds to the main body flaring 12 on the mask main body 1.

Outlet valve 3 is constituted with outlet valve back seat 34 by seat 33 in outlet valve front stall 31, outlet valve diaphragm 32, the outlet valve.

Wherein, outlet valve front stall 31, its front end has one and protrudes seat surface 311, have one in the central part moulding of protruding seat surface 311 and protrude hole seat 312, and on the limit end that protrudes seat surface 311, be arranged with several front stall through holes 313, again, protrude the periphery, front opening position of seat surface 311, outer folding chimb 314 with a suitable thickness is rolled over chimb 314 in addition and 311 of seat surfaces of protrusion have a low early and high after preceding skew wall face 315.

Outlet valve diaphragm 32 is the thin slice that a rubber material is made, and the position offers a diaphragm through hole 321 in the central.

Seat 33 in the outlet valve, before having one, its front end protrudes seat surface 331, the rear end has a back to protrude seat surface 332, and this two protrusions seat surface has identical internal diameter, the while between, the protrusion seat limit 333 with a suitable thickness is provided with, and then other moulding adds and has a gum cover 334 on this protrusion seat limit 333, protrude between seat limit 333 and the preceding protrusion seat surface 331 at this, then have low wall 335 settings of retreading in high back before.Again, central part at preceding protrusion seat surface 331, moulding has a plug housing 336, the central part of this plug housing 336 protrudes and has a latch 337, on the face of the seat limit of this plug housing 336, be distributed with and protrude on the internal diameter edge face 339 of seat surface 33 before several ribs 338 are connected to, again, moulding has outer-diameter threads 330 settings on the outer diametric plane of back protrusion seat surface 332.

Outlet valve back seat 34, it is made into has one and can 33 protrude the internal diameter screw 341 that seat surface 332 outer-diameter threads 330 screw togather thereafter with seat in the outlet valve, and moulding has the outer folding seat limit 342 of a suitable thickness on the seat surface of internal diameter screw 341 front ends.

About the utility model situation on the implementation, then see also shown in Fig. 1-6, its in when assembling as long as earlier the cover 21 of adhesive-bonded fabric cover body 2 is interted in the through hole grid 11 of mouth mask main body 1 stacked, and make cover body opening 23 correspond to body openings 17, cover body flaring 22 corresponds to main body flaring 12, and then outlet valve front stall 31 placed this body openings 17 and cover body opening 23 outer ends, make the internal diameter of outer folding chimb 314 on the outlet valve front stall 31 correspond to body opening 17 and cover body opening 23, then with outlet valve diaphragm 32, seat 33 and outlet valve back seat 34 place the inner edge surface end of this body openings 17 and cover body opening 23 in the outlet valve, but on the plug housing 336 of the seat 33 in outlet valve of diaphragm through hole 321 snares on outlet valve diaphragm 32 central parts, making in the outlet valve the wall 335 that retreads on seat 33 front ends intert outlet valve front stall 31 front ends then forward rolls over outward in chimb 314 and the preceding skew wall face 315 that protrudes 311 of seat surfaces and is engaged the formation one, the last internal diameter screw 341 that utilizes outlet valve back seat 34 again, making it be screwed together in the outlet valve seat 33 rear ends protrudes on seat surface 332 outer-diameter threads 330, and screw forward, can make outlet valve 3 and mask main body 1 and adhesive-bonded fabric cover body 2 threes be combined into one, and at any time as long as outlet valve back seat 34 is unscrewed dismounting, and with seat 33 in the outlet valve, the interlocking face that the outlet valve front stall is 31 (preceding skew wall face 315 is gone in wall 335 intercalations of promptly retreading) is located to draw back, just can fast outlet valve 3 be disassembled with mask main body 1 and adhesive-bonded fabric cover body 2 threes and come, behind the adhesive-bonded fabric cover body 2 that more renews, re-assemblied repeated use again.In addition, occupation mode after being assembled on mask main body 1 and the adhesive-bonded fabric cover body 2 about outlet valve 3 of the present utility model, shown in Fig. 7,8, after the user wears, outlet valve diaphragm 32 can be pushed open forward during expiration, make the air can be, close and outlet valve diaphragm 32 is sucked back backward when air-breathing by front stall through hole 313 places on the outlet valve front stall 31 circulations.

In sum, the utlity model has above-described good characteristic, make it in actual applications, promote the usefulness that prior art did not have, and give practicality, have practical value.

Claims

1. mouth mask is characterized in that:

Described mouth mask comprises:

Mask main body (1), have one and outwards protrude the through hole grid (11) in space, has pack main body flaring (12) outside a section in the periphery of through hole grid (11), on the both ends of the surface of this main body flaring (12), be provided with main body through hole (13), (14) of symmetry, intert respectively flexible two frenulums of tool (15), (16) is to go in these two pairs of main body through holes (13), (14), at described through hole grid (11) front end central part, has a body openings (17);

Adhesive-bonded fabric cover body (2), has the adhesive-bonded fabric cover (21) in identical shaped outside protrusion space for what make with mask main body (1) with the adhesive-bonded fabric material, periphery in adhesive-bonded fabric cover (21), have outer folding cover body flaring (22), have a cover body opening (23) at adhesive-bonded fabric cover (21) front end central part;

Outlet valve (3) comprises seat (33) and outlet valve back seat (34) in outlet valve front stall (31), outlet valve diaphragm (32), the outlet valve.

2. mouth mask as claimed in claim 1, it is characterized in that: described outlet valve front stall (31) front end has one and protrudes seat surface (311), there is one to protrude hole seat (312) at the central part that protrudes seat surface (311), on the limit end that protrudes seat surface (311), is arranged with several front stall through holes (313).

3. mouth mask as claimed in claim 1 is characterized in that: described outlet valve front stall (31), the periphery that it protrudes seat surface (311) front opening position has an outer folding chimb (314).

4. mouth mask as claimed in claim 1 is characterized in that: described outlet valve front stall (31), it protrudes the locational outer folding chimb (314) of seat surface (311) front opening and protrudes between seat surface (311) and has a low early and high after preceding skew wall face (315).

5. mouth mask as claimed in claim 1 is characterized in that: described outlet valve diaphragm (32) is the thin slice that a rubber material is made, and the position offers a diaphragm through hole (321) in the central.

6. mouth mask as claimed in claim 1 is characterized in that: seat (33) in the described outlet valve, and before having one, its front end protrudes seat surface (331), and there is the back protrusion seat surface (332) of a same inner diameter rear end, and between has one to protrude seat limit (333) simultaneously.

7. mouth mask as claimed in claim 6 is characterized in that: between described protrusion seat limit (333) and the preceding protrusion seat surface (331), then have the low wall that retreads (335) in high back before.

8. mouth mask as claimed in claim 6 is characterized in that: then other moulding adds and has a gum cover (334) on the described protrusion seat limit (333).

9. mouth mask as claimed in claim 6 is characterized in that: the central part that protrudes seat surface (331) before described has a plug housing (336), and the central part of this plug housing (336) is protruding with a latch (337).

10. mouth mask as claimed in claim 9 is characterized in that: be distributed with several ribs (338) on the seat limit face of described plug housing (336), protrude on the internal diameter edge face of seat surface (331) before being connected to.

11. mouth mask as claimed in claim 6 is characterized in that: on the outer diametric plane of described back protrusion seat surface (332) outer-diameter threads (330) is arranged.

12. mouth mask as claimed in claim 1 is characterized in that: described outlet valve back seat (34), it is made into has one and can protrude the internal diameter screw (341) that seat surface (332) outer-diameter threads (330) screws togather with seat back in the outlet valve.

13. mouth mask as claimed in claim 12 is characterized in that: moulding has an outer folding seat limit (342) on described internal diameter screw (341) the front end seat surface.