JPH06170007A - Air mask - Google Patents

Abstract

PURPOSE:To improve a feeling of use and workability, in the air mask for preventing a fact that a worker sucks a substance scattered at the time of work, it goes into eyes. CONSTITUTION:An air blowing-out means 1 provided with many air blow-out holes 6... in the prescribed direction is supported in the prescribed direction by a holder 2 so as to be freely detachable and attachable from and to the face and the head part, etc., of a worker such as spectacles 2a, a helment, etc. By connecting the air blowing-out means 1 to an air blower 4, etc., with a hose 3, and blowing out air from the air blow-out holes 6..., an air curtain B is formed between the face 5 of the worker and the work part. A substance scattered into the air at the time of work is cut off by the air curtain B, it is obstructed to be scattered to the face 5 side, and it is prevented that the worker sucks it or it goes into the worker's eyes.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is applicable to, for example, painting work and
The present invention relates to an air mask for preventing a worker from directly inhaling thinner or dust, paint and chemicals, cutting dust, and the like scattered in the air during chemical spraying work, cutting work, etc.

[0002]

2. Description of the Related Art Conventionally, dust-proof and gas-proof masks, airtight masks, and the like have been known to prevent dust and harmful substances from being sucked. The former is configured to cover the outside air by covering the mouth and nose with a face-contacting body and breathe through a filter or the like. On the other hand, the latter has a configuration in which the face and the head are completely sealed to block outside air, and air is sent from a tank or the like to breathe.

[0003]

However, in the former case, the higher the airtightness, the larger the change in breathing cannot be coped with, and the workability is deteriorated due to the difficulty in breathing.
In addition, the user's own exhaled breath is inhaled to some extent, which causes discomfort.

In the latter case, since the upper part of the neck is completely sealed, the hearing ability and the visual field are limited, and the workability is deteriorated. Furthermore, since both the former and the latter are sealed methods, it will be hot,
Especially, it is not suitable for hot work place, summer, and heavy work.

The present invention has been made in view of the above problems of the prior art, and can effectively prevent the inhalation of dust and harmful substances and the scattering to the face, and is open and stuffy and hot. It is an object of the present invention to provide an air mask that is free of work and has good workability.

[0006]

In order to achieve the above object, the air mask of the present invention is provided with a detachable holder on the face or head of an operator and ejects air to the holder in a predetermined direction. By additionally providing an air ejection means having a hole, the air ejection means is connected to an air supply source such as a blower via a hose or the like, and air can be pressure-fed from the air supply source to the air ejection means. The air is ejected from the air ejection hole,
The feature is that the operator's face is covered with an air cover.

[0007]

By wearing a holder (glasses, helmet, etc.), the air mask is attached to the front of the user's face. Then, by air-pressurizing air from an air supply source such as a blower through an hose to an air pipe as an air jetting means, air is jetted from a large number of air jets, and the front face of the user's face and a working portion are An air curtain is formed between them.

As a result, painting work, chemical spraying,
Thinners, paints, etc. that are scattered in the air during cutting work, etc.
Since the chemicals, cutting dust and the like are prevented from scattering to the face side of the user by the air curtain, it is possible to prevent the user from inhaling them and getting them into the eyes.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a front view of the use state of the first embodiment, and FIG. 2 shows a partially sectional side view of the use state of the same embodiment. As shown in FIGS. 1 and 2, the air mask A
Is composed of an air jetting means 1, a holder 2, a hose 3, and a blower 4.

An air pipe 1a made of a lightweight material such as plastic is used for the air ejecting means 1, and the air pipe 1a is covered by the face 5 of the user (worker) only by an appropriate dimension. Both ends 1b, 1b are bent in a large vertically elongated elliptical shape and airtightly connected to both ends of a connecting pipe 1c having a substantially T-shaped front shape. The other end of the connecting pipe 1c has a blower 4a. And the hose 3 are connected.

Further, the air pipe 1a has a large number of air ejection holes 6 ... Opened inward on the inner wall surface thereof at regular intervals in the same direction. The air pipe 1a is supported by the holder 2 in a predetermined direction, and in this embodiment, the holder 2 is eyeglasses 2a.

That is, the air pipe 1a is supported on both sides of the spectacles 2a so as to be detachable and adjustable in direction by means of setscrews 7 ...
It is configured to be attached to the user's face. Then, the air b is pressure-fed from the blower 4 to the air pipe 1a through the hose 3, and the air b is ejected inward from the large number of air ejection holes 6 ... At the front part of the face 5, the air cover B is formed so as to cover the entire face 5. The opposite side of the air curtain B becomes the working portion c .

In the present embodiment, air is ejected toward the inner side from a large number of air ejection holes 6 ... Formed in the inner periphery of the air pipe 1a. As shown in FIG. 3, the directions of the air ejection holes 6 ... Are set in advance so that the air b flows outward with respect to the face 5 and does not hit the face 5.

Although the air pipe 1a may be provided with the air ejection holes 6 ... As described above, a nozzle (not shown) is provided in each of the air ejection holes 6 ... It is also possible to mount the nozzle so that it is convenient to mount the nozzle (not shown) in this way because the air ejection direction can be adjusted arbitrarily.

In addition to the blower 4, the air supply source may be a compressor (not shown) or a pressurized air tank (not shown).

FIG. 4 shows a front view of the second embodiment in use. In this embodiment, a frame 8 having a rectangular front shape is used as the holder 2.
To use. That is, as shown in FIG.
A frame body 8 large enough to cover the entire surface of the upper frame 8a is formed by an upper frame 8a, a lower frame 8b, and left and right side frames 8c, 8c connecting these, and a large number of air jets are formed on the front surface of the upper frame 8a. Exit 6
. Is attached with an air pipe 1a as the air ejecting means 1 having a substantially arcuate shape in a plane and provided downward at a constant interval in the lateral direction.
A is connected to a blower or the like (not shown) by the hose 3.

Further, the frame body 8 has a wearing belt 10 for wearing on the head 9 of the user or a helmet (not shown) detachably attached to the inside of the upper portion thereof, and the inside of the lower portion thereof has The auxiliary belt 12 that is hooked on the chin 11 is attached by fixing the ends to the both side frames 8c, 8c, and thus the auxiliary belt 12 is attached to the face 5.

Thus, in the second embodiment, with respect to the face 5,
The air b is jetted downward from the upper part, so that the air cover B is formed in the front part of the face 5. still,
The holder 2 is not limited to the above embodiment, but may be a hat, a helmet, or a belt for wearing the head alone. In short, the type of air ejecting means 1 is not limited as long as it can hold the air ejecting means 1 near the face 5. Further, the air jetting means 1 is not limited to the air pipe 1a described above.

[0019]

Since the present invention is configured as described above, it is harmful to the human body such as thinner, paint, chemicals, cutting dust, etc. scattered in the air in, for example, painting work, chemical spraying work and cutting work. It is possible to prevent the worker from inhaling or getting into the eyes by blocking such substances with an air curtain to prevent them from scattering on the face of the worker. Since it is an open method that does not block the outside air, it is not a sealing method that seals the mouth and nose with the outside air or completely seals the head and face. By providing a comfortable working space, it is possible to perform work comfortably and comfortably, especially in a hot work place, work in summer, and work with intense activity, and work efficiency can be significantly improved.

Furthermore, by adjusting the wind force and the direction of the air so that the air curtain can cope with the scattered substances during the work, it is possible to more reliably prevent the substances from scattering to the face.

[Brief description of drawings]

FIG. 1 is a front view of a first embodiment of an air mask according to the present invention in a use state.

FIG. 2 is a vertical cross-sectional side view of the embodiment in use.

FIG. 3 is an explanatory view showing the flow of air in the embodiment.

FIG. 4 is a front view of a second embodiment of the air mask according to the present invention in a use state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Air ejection means 1a Air pipe 6 Air ejection hole 2 Holding tool 3 Hose 4 Blower 5 Worker's face c Working part

Claims (1)

[Claims] 1. An attaching / detaching holder is provided on a face or a head of an operator, and an air ejecting means having an air ejecting hole in a predetermined direction is attached to the holder, and the air ejecting means is provided with a hose. The air is blown out from the air ejection hole by connecting the air supply source such as a blower to the air ejection means by pressure from the air supply source to the air ejection hole, and the operator's face is covered with the air cover. An air mask characterized by being covered with.