CN2693284Y

CN2693284Y - Dust proof nose cup

Info

Publication number: CN2693284Y
Application number: CN 200420034767
Authority: CN
Inventors: 杨建福
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-13
Filing date: 2004-05-13
Publication date: 2005-04-20
Anticipated expiration: 2014-05-13

Abstract

The utility model provides a dustproof nose cover, characterized in that the utility model comprises a shell, a nose rack arranged in the shell and adapted to the shape of the nose of human body, an induction filter layer provided between the nose rack and the shell and an air inlet and an air outlet arranged on the shell. The utility model effectively solves the defects that the existing dustproof cover is muggy, and that user can not speak with the dustproof cover, etc. and the dustproof nose cover is of long filter passage, good filter effect, and comfortable and convenient wearing, embodying the requirement of human nature, and in addition, the dustproof nose cover is also characterized in that the dustproof nose cover is of simple structure, convenient and comfortable wearing, etc, being an ideal new type dustproof nose cover.

Description

A kind of anti-dust nose mask

Technical field

The utility model relates to a kind of dust cover, especially a kind of human anti-dust nose mask.

Background technology

Usually people are having dust, have when working in the adverse circumstances of thin, germ, and for preventing dust, the injury thin, that germ is caused human body all will be worn dust cover.The existing dustproof face shield that is covered with cotton cloth respirator and evagination, and can play dustproof, fungi-proofing effect, but this class dust cover all is that nose and mouth are covered in the cover simultaneously.For the people who wears dust cover, generally all close lips and breathe with nose, if mouth and nose are all covered in the dust cover, can make troubles in a minute to people undoubtedly, also can bring bad sensations such as sultry to the wearer.Therefore, be necessary prior art is improved, to satisfy people's needs.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of prior art, provides a kind of adaptability strong, and is in a minute convenient, the anti-dust nose mask of good dustproof effect.

The utility model is finished by following technical proposal: a kind of anti-dust nose mask, it is characterized in that it comprises shell, be located in the shell and with the nose frame that human nasal shape adapts, be located at the inlet air filtration layer between nose frame and the shell, be located at air inlet and gas outlet on the shell.

Described shell is a can, and it is shaped as rectangle or taper, perhaps is semicircle or half elliptic, so that adapt with nose shape, and is easy to wear or fixes.

Air inlet on the described shell is located at the upper side or the front of shell, and is enclosed in the mouth with square, so that filtering material is installed, air inlet simultaneously is so that breathe.

Gas outlet on the described shell is located at the downside of shell, and seals with square, is provided with dividing plate with holes between above the gas outlet and nostril, is provided with bracing frame in the hole, and fixing leather cup on the bracing frame is used for only giving vent to anger not air inlet.

Described can is provided with stay cord, so that wear.

Described nose frame is used and is adapted with human nose's skin and make with the material of comfortableness.

Filter course between described nose frame and the shell is in communication with the outside by the air admission hole on the shell, air can only be entered by this place, enter the nostril through behind the filtering layer by nose frame bottom, not only increased filtration channel, effectively play dustproof, fungi-proofing effect, do not speak but also do not influence the person that wears the cover, and do not have bad sensations such as sultry.

The utility model compared with prior art has following advantage and effect: pass through such scheme, it is sultry to efficiently solve existing dust cover, mute grade is not enough, and filtration channel is long, good filtration effect, wear comfortable, convenient, more can embody the hommization requirement, other the utility model also has simple in structure, wears conveniently, characteristics such as comfortable, real is a kind of desirable novel anti-dust nose mask.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the B-B vertical view of Fig. 1;

Fig. 3 is the A-A view of Fig. 1;

Fig. 4 is another structural representation of the utility model;

Fig. 5 is the sectional side view of Fig. 4.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further, not only is confined to this but hold also within the utility model.

Fig. 1,2, in 3,1 is shell, makes with rigidity plastics etc., its upper end is the air inlet 8 of band square, and the lower end is to be with the

gas outlet

6,2 of square for being located at the nose frame in it, the shape of this nose frame and human nasal shape adapt, make with the material that comfortableness is good, 3 is breathing space, and 4 for being located at the dividing plate between gas outlet 6 and the nose frame 2, plate is provided with through hole 7, bracing frame 9 is housed in the hole, the leather cup 5 around strong point activity is housed on the bracing frame, when exhaling, leather cup 5 turns up, the carbon dioxide etc. of exhalation is discharged through the gap of the leather cup that turns up and the gas outlet 6 of band square, when air-breathing, turn in the leather cup 5, block through hole 7, make air suck human body through

filtering layer

10,10 is filter course, fills with filtering materials such as filter cotton or filter cloths, it is located between shell 1 and the nose frame 2,11 for the cover band, is used for dust cover is worn over head, and 12 is the human nose.

Among Fig. 4,5, except that the air inlet 8 of band square is arranged on the front of shell 1 and shell for the long housing, all the other all with Fig. 1,2,3 identical.

The air inlet 8 of air on shell enters, and enters breathing space 3 through filtering layer 10, enters human body through the nostril again, and the people can be breathed easily.

Claims

1, a kind of anti-dust nose mask is characterized in that it comprises shell, be located in the shell and with the nose frame that human nasal shape adapts, be located at the inlet air filtration layer between nose frame and the shell, be located at air inlet and gas outlet on the shell.

2, anti-dust nose mask according to claim 1 is characterized in that described shell is a can, and it is shaped as rectangle or taper, perhaps is semicircle or half elliptic.

3, anti-dust nose mask according to claim 1 is characterized in that the air inlet on the described shell is located at the upper side or the front of shell, and is enclosed in the mouth with square.

4, anti-dust nose mask according to claim 1 is characterized in that the gas outlet on the described shell is located at the downside of shell, and seals with square, is provided with dividing plate with holes between above the gas outlet and nostril, is provided with bracing frame in the hole, fixing leather cup on the bracing frame.

5, anti-dust nose mask according to claim 1 is characterized in that described can is provided with stay cord.