CN2167552Y

CN2167552Y - Compound-filtering dust-proof gauze mask or face guard

Info

Publication number: CN2167552Y
Application number: CN 93204828
Authority: CN
Inventors: 熊彪
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-03-01
Filing date: 1993-03-01
Publication date: 1994-06-08
Anticipated expiration: 2003-03-01

Abstract

The utility model relates to a compound-filtering dustproof gauze mask or a face guard, which comprises an outer casing, an air inlet pipe which is arranged on the casing and makes airflow enter the outer casing, a miniature motor which is arranged in the air inlet pipe and is driven by a direct current power supply arranged outside or a self-contained direct current power supply arranged outside, a miniature fan connected with a rotating shaft of the miniature motor, an exhaust pipe arranged on the outer casing, a soft pipe connected with an exhaust pipe, and a gauze mask connected with the soft pipe. The utility model is characterized in that the compound-filtering dustproof gauze mask or a face guard also comprises purifying liquor which is arranged in the outer casing and is positioned below the air inlet pipe, and a dried filter layer which is arranged in the outer casing and positioned above the purifying liquor. The utility model can better filter the dust in air. The gauze mask or the face guard has the advantages of simple structure and easy production.

Description

Compound-filtering dust-proof gauze mask or face guard

The utility model relates to a kind of mouth mask or face shield, relates in particular to a kind of compound filtering anti-dust respirator or face shield.

Existing anti-dust respirator or face shield can only carry out simple dry method dust to the gas that flows in user's self the respiratory, after flowing gas passes through anti-dust respirator or face shield, still have quite a few dust to enter in user's body of anti-dust respirator or dust mask along with respiratory air flow, cause greatly infringement to health, simultaneously, when under the long-time situation of using anti-dust respirator or dust mask, carrying out strong physical efficiency work, the gas of breathing can flow not smooth, promptly the gas of Hu Chuing be not able to do in time to discharge fully under the situation of anti-dust respirator or dust mask, be inhaled into inside of human body again, thereby cause user's physical efficiency to descend.Announced a kind of " electronic blast type prevent dust safe head-shield " on the utility model patent communique, its notification number is CN2096385U, and it is made up of head-shield protector, membrane filter and air-supply conduit three parts; Membrane filter is to be assembled in the box body by power supply, micromachine, mini fan and Shanghai pocket, power drives minitype motor driving mini fan, the upper shed of filtrate bag is chewed by the air intake that clamp is clamped in mini fan, air enters by the filtrate bag and sends into the air-supply conduit after air intake is chewed, it is to adopt the filtrate bag absorption affinity of dust to be reached the purpose of filtration, but still have dust to enter the air-supply conduit, and its structure is complicated.

The purpose of this utility model provides the airborne dust of a kind of filtering preferably, compound filtering anti-dust respirator or face shield simple in structure.

In order to achieve the above object, the utility model is achieved in that it comprises, a shell; One is located on the shell and can passes air into air inlet pipe in the shell; One is located at the micromachine in the air inlet pipe; One mini-fan that links to each other with the rotating shaft of micromachine; One is located at the blast pipe on the shell; One flexible conduit that links to each other with blast pipe; One mouth mask that links to each other with flexible conduit; It is characterized in that: it comprises that also one is located at the scavenging solution of the below that is positioned at air inlet pipe in the shell; One is located at the dry type filter course that is positioned at the scavenging solution top in the shell.During use, connect power supply, fan on the micromachine rotates, and air is sucked from air inlet pipe, and inhaled air impacts and purifies liquid level, the direction of motion of air stream is sharply changed, a large amount of dust in the air stream all are cleaned liquid absorption, and the air stream after the filtration moves upward continuing, and filters through the dry type filter course, further remove remaining a small amount of dust in the air stream, sent into flexible conduit again to mouth mask.Be slightly larger than the outer pressure of mouth mask owing to send into the pressure of the dust-free air in the mouth mask this moment,, thereby reached the dustproof purpose so the air of outside can not enter in the mouth mask.

The utility model compared with prior art has following advantage:

1, the airborne dust of filtering preferably;

2, simple in structure, manufacture easily.

Fig. 1 is a structural representation of the present utility model.

Below in conjunction with accompanying drawing the utility model is further described:

With reference to shown in Figure 1, on shell 4, be provided with an air inlet pipe 3 that can pass air in the shell 4, in air inlet pipe 3, be fixed with electric machine support 10, on electric machine support 10, be fixed with by the peripheral hardware dc source or provide the micromachine 1 that dc source 12 drives for oneself, be provided with fan 2 in the rotating shaft of micromachine 1, fan 2 can rotate in air inlet pipe 3.In shell 4, be positioned at air inlet pipe 3 below water 9 is housed; In shell 4, be positioned at water 9 above be provided with two layers of foam filter course 5, on two filter layers 5, be provided with through hole 11 accordingly, promptly as two layers of foam filter course 5 is divided into four zones respectively, on these four zones at interval be provided with through hole 11, during installation, as the zone of through hole 11 is arranged on one deck foamed filter layer 5, then should be corresponding to the zone of another foamed filter layer 5 no through holes.Be provided with exhaust manifolds 6 above shell 4, an end of flexible conduit 7 and exhaust manifolds 6 are fixing, and the other end and anti-dust respirator 8 are fixing.

Claims

1, a kind of compound filtering anti-dust respirator or face shield comprise, a shell 4; One is located on the shell 4 and can passes air into air inlet pipe 3 in the shell 4; One be located in the air inlet pipe 3 by the peripheral hardware dc source or provide the micromachine 1 that dc source 12 drives for oneself; One mini-fan 2 that links to each other with the rotating shaft of micromachine 1; One is located at the blast pipe 6 on the shell 4; One flexible conduit 7 that links to each other with blast pipe 6; One mouth mask 8 that links to each other with flexible conduit 7; It is characterized in that: it comprises that also one is located at the below dress scavenging solution 9 that is positioned at air inlet pipe 3 in the shell 4; One is located at the dry type filter course 5 that is positioned at scavenging solution 9 tops in the shell 4.

2, compound filtering anti-dust respirator according to claim 1 or face shield is characterized in that: the scavenging solution that is located in the shell 4 is a water.

3, compound filtering anti-dust respirator according to claim 1 and 2 or face shield is characterized in that: 5 fens two-layer tops that are positioned at scavenging solution 9 in the shell 4 that are located at of dry type filter course.

4, compound filtering anti-dust respirator according to claim 3 or face shield is characterized in that: dry type filter course 5 is foams.