JPH10248947A - Mask for evacuation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure a visual range and a fresh air suction, and make vocalization possible by a method wherein in a sealed space of a mask which joins to a face, an oxygen cylinder having a feeding amount adjusting means, an air discharging pipe having an exhaled air discharging one way valve, and a suction air pipe having an inhaled air sucking in one way valve, which are connected with each other by an air suction/discharge adjusting bag, are respectively connected. SOLUTION: To a nose part 12 of a sealed space of a mask 10, which is formed by joining the rim to a face, an oxygen feeding adjusting means 20 is connected by an oxygen feeding pipe 21, and at the end part, an oxygen cylinder 22 is installed. Also, an air discharging pipe 30 having an air discharging one way valve to discharge an exhaled air from a nose, and an air sucking pipe 40 having an inhaled air sucking in one way valve 41, are attached. To the other ends of the air discharging pipe 30 and the air sucking pipe 40, an air suction/discharge adjusting bag 50 is connected. The air suction/discharge adjusting bag 50 is formed into an expanded rugby ball, and when not being used, the suction/discharge adjusting bag 50 is flatly folded in the longitudinal direction. By this constitution, breathing can be performed by mouth, and also, a discussion and a communication, etc., for evacuation can be performed as well.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an evacuation mask which can be used in emergency situations such as fire, submergence, and generation of poisonous gas.

[0002]

2. Description of the Related Art Conventional evacuation masks of this type include eyes, mouths,
Some covered the nose and sent oxygen into it, so-called gas masks, and some were similar to underwater glasses covering the eyes and nose, and were supplied from a mouthpiece with oxygen from the cylinder in the mouth. .

[0003]

However, all of them are in a state where their mouths are closed, and they cannot speak and ask for help. It was difficult to escape and rescue when the view was obstructed by smoke or the like because they could not do anything.

[0004] Therefore, the present invention secures a view and intake of fresh air, and can make a voice,
It is an object of the present invention to provide an evacuation mask that can seek rescue or guide and safely evacuate.

[0005]

In order to achieve this object, the invention according to claim 1 secures a view and covers the eyes, secures nasal breathing and covers the nose, and the surroundings come into close contact with the face. A mask for forming a sealed space, an oxygen cylinder mounted on an end of an oxygen supply pipe communicating with the sealed space, oxygen supply adjusting means for supplying oxygen from the oxygen cylinder at an appropriate pressure, and An exhaust pipe provided with an exhalation discharge one-way valve for communicating and exhaling air, an intake pipe communicating with the sealed space and having an intake suction one-way valve for inhaling air, and one end connected to the exhaust pipe; The evacuation mask is characterized in that the end comprises an intake / exhaust adjustment bag connected to the intake pipe.

According to a second aspect of the present invention, in the first aspect, the intake / exhaust adjustment bag or the exhaust pipe is provided with an exhaust pressure valve for exhausting expiration to the atmosphere when the pressure in the intake / exhaust adjustment bag reaches a predetermined pressure. The evacuation mask is characterized in that:

According to a third aspect of the present invention, there is provided the evacuation mask according to the first aspect, wherein the suction / discharge adjusting bag is provided with a frame for securing a predetermined bulging space.

According to a fourth aspect of the present invention, in the first aspect, the oxygen supply adjusting means includes either a screw type punching means or a punching type punching means for drilling a predetermined position of the oxygen cylinder. The evacuation mask is characterized in that:

[0009]

[Action] When an emergency such as a fire occurs, take out the evacuation mask, put on the mask on the face, attach an oxygen cylinder, release oxygen, evacuate, and feel someone's sign or take someone out Can be uttered by opening the mouth as it is, and can easily ask for help or guide. Even if you utter a voice, you are not inhaling toxic gas etc. because you are inhaling through the nose, and your eyes are protected because the mask is protected, so you will not lose your vision.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing an embodiment.

FIGS. 1 and 2 show an embodiment of the present invention.

In FIG. 1, reference numeral 10 denotes a mask which secures a view and covers the eyes, secures breathing of the nose and covers the nose, and a mask which forms a hermetically sealed space in which the periphery closely adheres to the face. ,
The nose, especially the nose 12 with a sufficient space in front of the nostrils;
Peripheral part 13 that covers and adheres to the peripheral part of the face above the mouth
And a band 14 to be worn on the head.

The lens portion 11 is made of transparent glass or synthetic resin, and has a nose portion 12 and a peripheral portion 13 around the lens portion 11.
Is made of rubber or synthetic resin having a shape-retaining property and a flexible property to adhere closely. The band 14 is turned horizontally and vertically from the periphery of the lens unit 11 to the back of the head so that the band 14 can be fixed stably. The material may be rubber, leather, cloth, synthetic resin or the like, and a length adjusting means (not shown) is provided.

An oxygen supply adjusting means 20 is connected to the nose 12 in the sealed space of the mask 10, and the oxygen supply adjusting means 20
At the end of the oxygen supply pipe 21 connected to the sealed space, an oxygen cylinder 22 is mounted, and when necessary, a screw type drilling means 23 for opening the oxygen cylinder 22 and adjusting the oxygen supply amount with an appropriate pressure is provided. I have.

The screw type drilling means 23 comprises an oxygen cylinder 22
The oxygen cylinder 22 is opened with a needle which cannot be seen in the drawing by screwing the screw cut into the mouth to the end, and the knob 24 is adjusted to an appropriate pressure to set the oxygen supply amount.

FIG. 2 shows a punching type punching means 25 as another example of the opening means. The punching type punching means 25 has a thin tube shape whose end is obliquely cut, and narrows the passage near the connection to the oxygen supply pipe 21. The oxygen supply is adjusted by squeezing. The oxygen cylinder 26 has a lower pressure and is larger than the oxygen cylinder 22, and is composed of a lower space 26 a in which oxygen is sealed and an upper space 26 b in which the punch-in hole 25 is mounted. A punch-in type punching means 25 is sealably attached to the mouth 26c of the upper space 26b via a sealing means such as an O-ring 26d.

An exhaust pipe 30 provided with a discharge one-way valve 31 for discharging expiration from the nose and an intake pipe 40 provided with an intake suction one-way valve 41 for suctioning air to the nose are connected to the sealed space. Have been. The exhaust pipe 30 and the intake pipe 40 are formed in a bellows pipe so as not to be crushed and easily bendable, and are made of a synthetic resin.

The suction / discharge adjusting bag 50 having one end connected to the exhaust pipe 30 and the other end connected to the intake pipe 40 has a rugby ball shape in an inflated state, and is flat by a longitudinal folding line when not in use. Folded. In addition, the suction and discharge adjustment bag 5
No. 0 is provided with a frame body 51 which secures a predetermined swelling space so that the folded object swells sufficiently. The frame body 51 can be variously shaped such as a box. Here, a ring or a part of the ring is arranged in the bag or bag 52 at intervals.

The bag 52 includes spare oxygen cylinders 22, 2
6, it can be used as a waist pouch, shoulder bag, or rucksack with a belt attached to the waist and shoulders.

The evacuation mask has a suction / discharge adjusting bag 50.
Alternatively, the exhaust pipe 30 is provided with an exhaust pressure valve 53 for exhausting expiration to the atmosphere when the pressure in the intake / exhaust adjustment bag 50 reaches a predetermined pressure. Therefore, using an evacuation mask, the exhaled air exhaled through the nose contains sufficient oxygen, although it contains carbon dioxide gas. Oxygen cylinder 22, 26
Even after the oxygen has run out, it is circulated for a short time for intake.

Oxygen supply pipe 21, exhaust pipe 30, intake pipe 40
Is connected to the sealed space of the mask 10,
In this embodiment, the intake pipe 40 is directly connected to the sealed space,
The other oxygen supply pipe 21 and the exhaust pipe 30 are connected at the root of the intake pipe 40.

Although the components of the evacuation mask have been described above, they are used in an emergency, and are made of a material that can withstand aging and can withstand a certain amount of heat, water, force, and the like. It is natural to be done.

A method of mounting and using an evacuation mask in an emergency will be described. The evacuation mask is taken out, and it is checked whether the oxygen cylinders 22 and 26 are unused and attached to the predetermined positions 23 and 25. Then, the mask 10
Is put on the face so that the eye is placed on the lens 11 and the nose is placed on the nose 12, and the peripheral part 13 is brought into contact with the face to create a sealed space. Then, the band 14 is hung on the back of the head and adjusted so as not to come off. In this state, it is determined when to start using oxygen. Mouth breathing can be done as it is, and talk and communication about evacuation can be made.

Finally, when rushing into the smoke of a fire or escaping from a sinking ship or car,
Further, the oxygen cylinders 22 and 26 are opened by screwing or tapping, and supply of oxygen is started. Oxygen is supplied to the sealed space via the oxygen supply pipe 21, and fresh air can be inhaled from the nose. If your mouth is closed, you will not breathe smoke or water. But call for help,
When guiding and encouraging your friends, you can speak out and evacuate quickly and safely.

Although this evacuation mask has been described on the premise that it is used in an emergency, the present invention is not limited to such a case. it can.

[0026]

As described above, according to the first aspect of the present invention, it is possible to secure sight and intake of fresh air and to make a voice, thereby seeking rescue or guiding and safely evacuating. An evacuation mask that can be provided can be provided.

According to the second aspect of the present invention, in addition to the effect of the first aspect, the exhalation pressure valve can store the exhaled air in the intake / exhaust adjusting bag up to a certain pressure, and the exhaled air can be kept for a while even after the oxygen in the oxygen cylinder is exhausted. You can breathe in circulation.

According to a third aspect of the present invention, in addition to the effect of the first aspect, a frame for securing a predetermined bulging space is provided.
The folded intake / exhaust control bag can be inflated without obstacles.

According to the fourth aspect of the invention, in addition to the effects of the first and third aspects, the structure is simple and the opening can be performed reliably and quickly. The screw type is securely held and securely opened until the start of use. The tap-on type can be opened with a small force in an instant.

[Brief description of the drawings]

FIG. 1 is a perspective view of the entire configuration of an evacuation mask of the present invention.

FIG. 2 is a sectional view of a main part of the oxygen supply adjusting means shown in FIG.

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[Procedure amendment]

[Submission date] March 12, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Brief description of drawings

[Correction method] Change

[Correction contents]

[Brief description of the drawings]

FIG. 1 is a perspective view of the entire configuration of an evacuation mask of the present invention.

FIG. 2 is a sectional view of a main part of the oxygen supply adjusting means shown in FIG.

[Description of Signs] 10 ... Mask 11 ... Lens 12 ... Nose 13 ... Peripheral edge 20 ... Oxygen supply control means 21 ... Oxygen supply pipe 22,26 ... Oxygen cylinder 23,25 ... 30 ... Exhaust pipe 31 ... Expiratory discharge one-way valve Reference numeral 40: intake pipe 41: intake / intake one-way valve 50: intake / discharge adjustment bag 51: frame 53: exhaust pressure valve

Claims (4)

[Claims] 1. A mask that secures visibility and covers eyes, secures nasal breathing and covers the nose, and a mask that tightly surrounds the face to form a sealed space; and an end of an oxygen supply pipe that communicates with the sealed space. An oxygen cylinder attached to the section, oxygen supply control means for supplying oxygen from the oxygen cylinder at an appropriate pressure, and an exhaust pipe communicating with the sealed space and having a breath discharge one-way valve for discharging breath, An intake pipe having an intake suction one-way valve for communicating intake air with the sealed space and having an intake suction one-way valve, and an intake / exhaust adjusting bag having one end connected to the exhaust pipe and the other end connected to the intake pipe. Evacuation mask. 2. The air intake / exhaust control bag or the exhaust pipe according to claim 1, further comprising an exhaust pressure valve for exhausting expiration to the atmosphere when the pressure in the air suction / exhaust adjustment bag reaches a predetermined pressure. Evacuation mask. 3. The suction / discharge adjusting bag according to claim 1,
An evacuation mask comprising a frame for securing a predetermined bulging space. 4. The oxygen supply adjusting means according to claim 1, wherein said oxygen supply adjusting means comprises either a screw type punching means or a punching type punching means for drilling a predetermined position of said oxygen cylinder. Evacuation mask.