CN88211397U

CN88211397U - Self-absorption filt health and dust-proof gauze mask

Info

Publication number: CN88211397U
Application number: CN 88211397
Authority: CN
Inventors: 吴林生; 曾淼莹
Original assignee: Shanghai Institute of Organic Chemistry of CAS
Current assignee: Shanghai Institute of Organic Chemistry of CAS
Priority date: 1988-01-29
Filing date: 1988-01-29
Publication date: 1988-12-28

Abstract

The utility model belongs to a self-absorption filtering sanitation and dustproof gauze mask. The surface of a non-woven gauze mask in the shape of semioval sphere is provided with 0-6 wrinkles, and the top of the gauze mask comprises a metal bar and a belt. The utility model has the advantages of simple structure, shapely configuration and comfort, convenience and good ventilation property, and the rate of oil removing and dust-prevention rate are high.

Description

Self-absorption filt health and dust-proof gauze mask

The utility model belongs to the mouth mask of a kind of health and dustproof usefulness

Existing tens of kinds in recent years on self-absorbing filtering type mouth mask infects for warding off disease and the control dust harzard has played important function, is people's a kind of daily living article and labour protection articles for use.Especially in order to control dust effectively, prevent the anthraco-silicosis development,, also must wear anti-dust respirator except that taking the necessary measures in the operation place.Be used for health and dustproof cotton cloth respirator every year and reach more than one hundred millionly, but for five dust below the micron of harmful to human maximum, dust collection efficiency has only about 10, fails to play the effect that prevents dust harzard.With other filtration mask or mouth mask, though effect is better, but not only outward appearance is not good enough, and valency is expensive, uses inconvenience.Existing mouth mask also exists air drag big, and gas permeability is bad, and people wear the unhappy shortcoming of chronognosis.So good and cheap, the self-priming filtration health and the anti-dust respirator of function admirable are still the problem that people need solve.

The purpose of this utility model provides a kind of good permeability, and is easy to use, dustproof rate height, and outward appearance is good, is suitable for the cheap self-absorbing filtering type health of continuously a large amount of production prices and the mouth mask of dustproof usefulness.

The utility model provides the mouth mask of a kind of self-absorbing filtering type health and dustproof usefulness, is made up of half Sui's ball-shaped mouth mask and belt.The mouth mask two ends link to each other with belt.Space when wearing in order to increase between human body and the mouth mask, to increase ventilation area and dust containing capacity, this mouth mask surface can increase by 0～6 rivel.Described half Sui's ball-shaped mouth mask adopts nonwoven cloth material, as the nonwoven that polypropylene, terylene, nylon are made, preferably adopts electret polypropylene fibre nonwoven.Described belt is elastic braid preferably.Belt can also can tie up on the mouth mask with perforation with pasting.

The mouth mask of health of the present utility model and dustproof usefulness in order better to contact sealing with human body face, improves dustproof rate, and Pasting one strip metal sheet press strip preferably adopts aluminium flake above mouth mask, uses to make nose clip.When wearing, click the sheet metal press strip, mouth mask and wearer are better sealed.

The mouth mask of health of the present utility model and dustproof usefulness is in order to wear convenient recommend to be of a size of long 9～13cm, wide 8～12cm, high 3.5～6cm, thick 0.1～2mm, dead space＜100cm ³

The utility model half Sui's ball-shaped mouth mask adopts the manufacturing of meltblowing method one-shot forming technique.The mouth mask arrangement of molds is contained on the rotating cylinder, rotate with the rotating cylinder constant speed, macromolecule melt with the fibers form high velocity jet on mould.Also can apply high voltage electric field above it makes at a high speed the fiber of ejection polarize immediately to become electret fiber.Take off after being ejected into certain thickness.Be suitable for producing fast continuously.

The mouth mask of the utility model self-absorbing filtering type health and dustproof usefulness, not only simple in structure, light and handy, handsome in appearance, it is convenient and comfortable to wear, and air drag is little, good permeability, and remove mist of oil rate and dust removal efficiency height.Do not add mouth mask dust removal efficiency＞95% of static, reach national grade ii standard.Electrostatic is electret mouth mask dust removal efficiency＞99%, reaches country-level standard.Remove the mist of oil rate also to reach 〉=85%, be no more than 10 at r x ray irradiation x dosage ²Draw under the special environment, filter is imitated also can reach 99%.

Fig. 1-3 has described several embodiment of the present utility model.Fig. 4 wears the mouth mask state diagram for human body.

Fig. 1 is the mouth mask side view that does not have metal bead.1 is half Sui's ball-shaped non-woven fabrics gauze mask, and four rivels are arranged, the 2nd, and belt.

Fig. 2 is the side view that the mouth mask of metal bead is arranged.1 is half Sui's ball-shaped polypropylene fibre non-woven fabrics gauze mask, and six rivels are arranged, the 2nd, and elastic braid, the 3rd, aluminium flake.

Fig. 3 is the mansion view that the mouth mask of metal bead is arranged, and wherein 1,2 and 3 with Fig. 2 explanation, and mouth mask has four rivels.

Fig. 4 is that human body is worn the mouth mask state diagram, and wherein 1,2 and 3 with Fig. 2 explanation, and mouth mask has three rivels.

Claims

1, a kind of self-absorbing filtering type health of being made up of mouth mask and belt and the mouth mask of dustproof usefulness is characterized in that described mouth mask is half Sui's ball-shaped nonwoven, preferably electret polypropylene fibre nonwoven.

2, the mouth mask of self-absorbing filtering type health as claimed in claim 1 and dustproof usefulness is characterized in that there is 1-6 bar pleat mace on described mouth mask surface.

3, the mouth mask of self-absorbing filtering type health as claimed in claim 1 and dustproof usefulness is characterized in that there is a metal bead described mouth mask top, preferably adopts aluminium flake.

4, the mouth mask of self-absorbing filtering type health as claimed in claim 1 and dustproof usefulness is characterized in that described belt is an elastic braid.

5, as claim 1, the mouth mask of 2,3 or 4 described self-absorbing filtering type health and dustproof usefulness is characterized in that the long 9～13cm of half Sui's ball-shaped mouth mask, wide 8～12cm, high 3.5～6cm, thick 0.1～2mm, dead space＜100cm ³