Convenient-to-wear labor protection dustproof mask

Abstract

The invention discloses a convenient-to-wear labor protection dustproof mask and belongs to the technical field of labor protection supplies. According to the convenient-to-wear labor protection dustproof mask, a mask body is composed of a breathing valve, a ring belt device and an adjustable nasal splint. The outer layer of the mask body is made of PP (polypropylene) non-woven fabric, the filtering layer of the mask body is made of melt-blown fabric, and the inner layer of the mask body is mad of needle-punched cotton. In addition, the nose bridge position of the inside of the inner layer of the convenient-to-wear labor protection dustproof mask is provided with a layer of strip-shaped nose bridge bars which are made of PP needle-punched non-woven fabric and welded to the mask body through ultrasonic waves. The convenient-to-wear labor protection dustproof mask has the advantages that the strip-shaped nose bridge bars are larger in area compared with traditional sponge nose bridge bars to improve the fitting degree of the mask and a face as well as the dust filtering efficiency. The convenient-to-wear labor protection dustproof mask is high in air permeability, improves the comfort level, saves the process of adhering sponge bars, improves the production efficiency, and by means of the welding technology, is higher in firmness compared with the adhering process and improves the total quality.

Description

[0001] technical field [0002] The invention relates to a labor protection article, in particular to a dustproof labor protection mask which is convenient to wear. Background technique [0003] Industrial masks are generally made into a cup shape. An easy-to-wear dust-proof labor protection mask has the advantages of high-efficiency filtration, low toxicity, odor removal, comfortable and breathable, and is widely used in grinding pharmaceuticals, agriculture and gardening, forestry, animal husbandry, food processing, etc. industries, such as figure 1 , figure 2 As shown, the exhalation valve 1 of an ordinary dust-proof labor protection mask that is easy to wear can ensure the distribution of heat and make breathing easier; the adjustable nose clip structure 4 can ensure better airtightness between the mask and the face and prevent dust Into the mouth and nose, generally a kind of convenient wearing dust-proof labor protection mask. The function of the sponge strip at the...

AI Technical Summary

Problems solved by technology

Its disadvantages are as follows: 1. A dust-proof labor protection mask with an adjustable nose clip that is easy to wear for a long time will easily cause the nose to feel sore and swollen, which will bring extremely uncomfortable feelings to people; 2. The sponge strip The area is small, and the dust filtering effect is poor; 3. The soft polyurethane foam material has poor affinity with human skin; 4. The sticking firmness of the sponge strip is not strong, and the sticking of the sponge strip increases the process, and the production efficiency is low; 5. , Masks are made of a variety of raw materials, and quality control is difficult

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