JP2007296032A - Smokeproof escape device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To increase possibility of escape in safety from a fire or the like by easily enabling a user to inhale normal air for about 5-10 min. using a smokeproof escape device of simple and low-cost constitution. <P>SOLUTION: The smokeproof escape device is provide with a mask 1 which can be installed to cover at least the mouth, a main air bag 2 having an elastic member 2a which can be released from a folded storage state to be automatically expanded, an auxiliary air bag 2 connected to the main air bag, comprising an elastic member 3c which can be released from a folded storage state to be automatically expanded to make a ring as both end parts of an expanded cylindrical form to be installed around the neck of a user, two air passages 4 and 5 to communicate the auxiliary air bag with the mask, an inhaled air ventilation valve 6 to let air flow from the auxiliary air bag toward the mask only through one of the air passages, and an exhaust air ventilation valve 7 to let air flow from the mask toward the auxiliary air bag only through the other air passage. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an evacuation device for evacuating without sucking smoke or toxic gas from a site such as a fire, and more particularly to a simple evacuation device that can be automatically expanded and used in a short time. .

  In order to evacuate without inhaling smoke or toxic gas from a site such as a fire, it is often sufficient to breathe normal air for about 5 to 10 minutes.

On the other hand, as a conventional evacuation tool, a mask (see Patent Document 1) including an oxygen tank that contains high-pressure oxygen is known.
Utility Model Registration No. 3047604

  However, although complicated and expensive evacuation equipment such as a mask having the above-described oxygen tank has been known, there is no simple and inexpensive evacuation device that allows normal air breathing for about 5 to 10 minutes. There was a problem that it was often impossible to escape from the site such as fire due to difficulties.

  The present invention aims to advantageously solve the above-mentioned problems, and the smoke-proof evacuation device according to claim 1 can be mounted on the user's head so as to cover at least the user's mouth. And an elastic member that automatically expands the main air bag when released from the folded storage state, and is used to supply air to the mask and to store air discharged from the mask. A main air bag, and an elastic member that is connected to the main air bag and automatically expands the sub air bag when released from the folded storage state. The parts can be connected to each other, and a ring shape that can be worn around the user's neck by connecting both ends thereof is used to supply air to the mask and contain the air discharged from the mask together with the main air bag. And auxiliary air bag used for Two air passages for communicating the auxiliary air bag or the main air bag and the mask, and the air flows only from the auxiliary air bag or the main air bag toward the mask through one of the air passages. And an exhaust vent valve for allowing air to flow only from the mask toward the sub-air bag or the main air bag via the other of the air passages.

  According to a second aspect of the present invention, there is provided a smoke-proof evacuation device according to the present invention, a mask that can be worn on a user's head so as to cover at least the user's mouth, air supply to the mask, and air discharged from the mask. A main air bag used for housing the air bag, and an elastic member that is connected to the main air bag and automatically expands the sub air bag when released from the folded storage state. Both ends of the expanded shape can be connected to each other, and by connecting the both ends, it forms a ring shape that can be worn around the user's neck. Air is supplied to the mask together with the main air bag and discharged from the mask. A secondary air bag that functions as a pump that supplies air to the main air bag when compressed by human power from the cylindrical expanded state; and the sub air bag or the main air bag; Communicating with the mask An air passage, an intake vent valve that allows air to flow only from the auxiliary air bag or the main air bag to the mask through one of the air passages, and air through the other air passage. And an exhaust vent valve that allows only the flow from the mask toward the sub-air bag or the main air bag.

  In the smoke-proof evacuation device of the present invention, when the user of the smoke-proof evacuation device takes out the main air bag and the sub air bag from the storage bag or the like and releases them from the stored state, the main air bag and the sub air bag The elasticity of the elastic member of at least the secondary air bag out of the bag, for example, at least the secondary air bag automatically expands into a cylindrical shape while taking in air from the openings at both ends of the secondary air bag, and the main air bag is also elastic In the case of having a member, the main air bag automatically expands due to its elasticity, and when the sub air bag functions as a pump, the main air bag is supplied with air and expands by the function of the sub air bag. When the user covers at least the mouth with a mask worn on the head and turns the cylindrical auxiliary air bag around the neck and connects both ends thereof, the two air passages, the intake vent valve, and the exhaust The air in the main air bag and the sub air bag is supplied to the mask through the ventilation valve, and the air discharged from the mask is accommodated in the main air bag and the sub air bag.

  Therefore, according to the smoke-proof evacuation device of the present invention, the air in the main air bag and the auxiliary air bag is supplied to the breath while circulating between the mask and the air bag with a simple and inexpensive structure without a high-pressure oxygen tank. It is possible to easily breathe normal air for about 5 to 10 minutes, and the possibility of safe escape from the site such as a fire can be increased.

  Moreover, according to the smoke-proof evacuation device of the present invention, when the main air bag and the auxiliary air bag are taken out from the storage bag and released from the storage state, at least the elastic member of the main air bag and the auxiliary air bag has the auxiliary air bag. Because of the elastic force of the main air bag and the secondary air bag, at least the secondary air bag automatically expands, so that it can be easily used in a short time in the field such as a fire. If the air bag also has an elastic member, the main air bag automatically expands due to its elasticity so that it can be used in a shorter time, and when the auxiliary air bag functions as a pump, the main air bag Can be forcibly expanded.

  In the present invention, the main air bag may have an elastic member that automatically expands the main air bag when released from the folded storage state. It is preferable because the auxiliary air bag can function as a pump and the expansion of the main air bag can be assisted while automatically expanding the air bag with the elastic member.

  In the present invention, the mask may be provided with a transparent shielding means for protecting eyes from smoke and toxic gas and ensuring visibility, so that the shielding means can be used during evacuation. This is preferable because it is easy to secure the field of view.

  Furthermore, in the present invention, the mask may have an elastic member that automatically expands the mask when released from the folded storage state. When it is taken out from the storage state and released from the stored state, the elastic member automatically expands in a short time by the elastic force of the elastic member, so that it can be easily mounted in the field such as a fire.

  Further, in the present invention, the air passage may have an elastic member that automatically expands the air passage when released from the folded storage state. When the container is taken out from the storage bag or the like and released from the storage state, it automatically expands in a short time by the elastic force of the elastic member, so that it can be easily used in the field such as a fire.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Here, FIG. 1 is a side view showing one embodiment of the smoke-proof evacuation device of the present invention in a state where it is attached to a person, and FIG. FIGS. 3A and 3B are a rear view and a side view showing the main air bag and the auxiliary air bag of the smoke-proof evacuation device in the above embodiment in an expanded state, and FIGS. 4A and 4B are views. FIG. 5A is a front view showing a mask and an air hose of the smoke evacuation device according to the embodiment, and FIGS. 5A and 5B are views showing configurations of both ends of the auxiliary air bag of the smoke evacuation device according to the embodiment. It is explanatory drawing which shows a motion as a pump of a figure and its subair bag.

  As shown in FIGS. 1 and 2, the smoke-proof evacuation device of this embodiment includes a mask 1, a main air bag 2, an auxiliary air bag 3 airtightly coupled to the main air bag 2, and two Two air hoses 4 and 5 as air passages, an intake air vent valve 6 which is a check valve provided in an opening 3 a next to one longitudinal end of the auxiliary air bag 3, and a longitudinal direction of the auxiliary air bag 3 An exhaust vent valve 7 which is a check valve provided in the opening 3b beside the other end is provided.

  Here, as shown in FIG. 4A, the mask 1 touches from the top of the head to the chin to cover the entire face including the mouth and nose of the user P of the evacuation tool with the mask. An overall frame 1a made of a vertically long substantially oval annular wire, a goggle frame 1b made of a horizontally elongate substantially oval annular wire surrounding both eyes of the user, and the overall frame 1a and goggle frame 1b. For example, a transparent and soft heat-resistant resin sheet 1c such as a fluororesin that covers the entire surface in an airtight manner, and the resin sheet 1c is airtightly fixed to an opening provided at a position below the goggles frame 1b. A connector 1d for hermetically connecting the two air hoses 4 and 5, a stretchable band 1e that is stretched over the back of the head to fix the whole frame 1a to the head, and a soft pad 1f that wraps the whole frame 1a And have a go The left and right ends of the frame 1b are coupled to the vertical center of the left and right portions of the pad 1f, and the left and right ends of the band 1e are also coupled to the vertical center of the left and right portions of the pad 1f. Yes.

  Thereby, the goggle frame 1b on which the resin sheet 1c is stretched functions as a transparent shielding means for protecting eyes from smoke and toxic gas. Further, since the entire frame 1a and the goggle frame 1b are each made of a flexible annular wire, the entire frame 1a and the goggle frame 1b can be folded and folded into two while being twisted by hand and stored in a storage place such as a bag. When released from the place, it automatically expands with its own elastic force and restores its original oval shape.

  The main air bag 2 supplies air to the mask 1 and accommodates air discharged from the mask 1, and has heat resistance as shown in FIGS. 3 (a) and 3 (b). In addition, it is made of a synthetic resin cloth-like material that blocks air flow, and is composed of two annular wires coupled to each other, similar to the entire frame 1a and goggle frame 1b of the mask 1, and is elastic as an elastic member. It has a frame 2a and, like the whole frame 1a and the goggle frame 1b, by twisting it by hand and folding it into two, it can be crushed and reduced in outer diameter and thickness like a foldable tent. It can be folded and stored in a storage location such as a bag, and when it is released from the storage location and released, it is automatically expanded by the elastic force of the elastic frame 2a. At the center of the upper end of the main air bag 2, a large opening 2 b that communicates with the center of the lower portion of the sub air bag 3 in the longitudinal direction is provided.

  Belts 2c for attaching the main air bag 2 to the body are provided on both sides of the lower part of the main air bag 2, and the front end portions of these belts 2c are mutually connected so as to correspond to the size of the waist. A surface fastener 2d that can be joined at an arbitrary position is provided. Further, a whistle 9 for calling for rescue is fitted to the belt 2c with a clip.

  The auxiliary air bag 3 also functions as a pump that fills the air in the main air bag 2 and has heat resistance as in the main air bag 2 as shown in FIGS. 3 (a) and 3 (b). And an elastic frame 3c as an elastic member, which is made of a synthetic resin cloth-like material that blocks air flow and has a long cylindrical shape, and a coil spring whose outer diameter decreases, for example, as it approaches the end. 5b, it can be folded down like a lantern and stored in a storage location such as a bag together with the main air bag 2, and removed from the storage location. When it is released, it is automatically expanded by the elastic force of the elastic frame 3c.

  A large opening 3d is provided at the center in the longitudinal direction of the lower portion of the auxiliary air bag 3, and the lower middle portion of the auxiliary air bag 3 and the upper end central portion of the main air bag 2 are arranged at the openings 3d, 2b. It is connected airtightly and integrally so as to communicate with each other.

  Further, heat-resistant flexible synthetic resin-made disk-like members 3e and 3f are respectively provided at both ends in the longitudinal direction of the auxiliary air bag 3 in an airtight manner. As shown in FIG. Each of the shaped members 3e and 3f is provided with an opening 3g and an extendable belt 3h for inserting a hand. As shown in FIG. 5B, the disk shaped members 3e and 3f and the belt When the disc-shaped members 3e and 3f are pushed with both hands toward the center while putting the hand between 3h and closing the opening 3g, the auxiliary air bag 3 is shrunk and the air inside the main air flows from the opening 3d. It flows into the main air bag 2 through the opening 2 b of the bag 2. If the gap between both hands is increased while opening the opening 3g, the auxiliary air bag 3 is automatically expanded by the elastic force of the elastic frame 3c while sucking air from the opening 3g.

  Further, the disk-shaped members 3e and 3f can be fitted into each other in an airtight manner as shown in FIG. 2 by being pressed as shown by arrows in FIG. 5A, and in this state, the disk-shaped members 3e. 3f are closed by a contracted belt 3h. As shown in FIG. 2, the auxiliary air bag 3 has an annular inner space partitioned by disk-like members 3e and 3f. It becomes a donut-shaped bag that fits around the head.

  The two air hoses 4 and 5 have elastic frames 4c and 5c as elastic members made of a flexible synthetic resin each having heat resistance and a coil spring inside, as shown in FIG. As shown, the one end portions 4a and 5a are connected to one cylindrical connecting member 8 and have substantially the same length. The intake air hose 4 has the other end portion 4b connected to the auxiliary end portion 4b. One end of the air bag 3 (the right end in FIG. 3 (a)) is fitted into an intake vent valve 6 provided in a side opening 3a, and the exhaust air hose 5 has a bag-like shape at the other end 5b. The pump 3 is fitted into an exhaust vent valve 7 provided in an opening 3b next to one end (left end in FIG. 3A). Then, the connecting member 8 is fitted into the connector 1d below the mask 1. Thus, the intake vent valve 6 allows air to flow only from one end of the auxiliary air bag 3 toward the mask 1 through the intake air hose 4, and the exhaust vent valve 7 passes the air through the exhaust air hose 5. Is allowed to flow only from the mask 1 toward the other end of the auxiliary air bag 3.

  The two air hoses 4 and 5 are also crushed in the longitudinal direction in the same manner as the auxiliary air bag 3 so that they can be folded into a small size and stored in a storage location such as a bag. It expands automatically with the elastic force of 4c and 5c.

  In the smoke-proof evacuation device of this embodiment, as shown in FIGS. 1 and 2, when the user P of the evacuation device evacuates, the mask 1 is taken out from the storage location and automatically expanded. Wear it on your head and cover your mouth, nose and eyes with the mask 1 and take out the main air bag 2 and sub air bag 3 from the storage location and expand them automatically. After filling the air bag 2 with the surrounding air in the bag 3 as described above, hold both ends of the auxiliary air bag 3 with both hands, turn the main air bag 2 to the back, and then both ends of the auxiliary air bag 3 The disc-like members 3e and 3f are fitted to each other to make the auxiliary air bag 3 donut-shaped around the neck, and then the two belts 2c of the main air bag 2 are turned in front of the fuselage to loosen the surface fastener 2d. The main air bag 2 is attached to the fuselage by connecting it so that there is no air bag. The hoses 4 and 5 and the connecting member 8 are taken out and automatically expanded, and the air hoses 4 and 5 are connected to the intake vent valve 6 and the exhaust vent valve 7 of the auxiliary air bag 3, and the connecting member 8 is connected to the connector 1d of the mask 1. , The air in the main air bag 2 and the sub air bag 3 is masked from one end of the sub air bag 3 through the two air hoses 4, 5, the intake air vent valve 6 and the exhaust air vent valve 7. 1 and the air discharged from the mask 1 is accommodated in the auxiliary air bag 3 and the main air bag 2 from the other end of the auxiliary air bag 3.

  Therefore, according to the smoke-proof evacuation device of this embodiment, since the air in the main air bag 2 and the sub air bag 3 is circulated between the mask 1 and the breath, it can be used easily and without a high-pressure oxygen tank. It is possible to easily breathe normal air for about 5 to 10 minutes with an inexpensive configuration, and the possibility of safe escape from the site such as a fire can be increased.

  Moreover, according to the smoke-proof evacuation device of this embodiment, the main air bag 2 and the auxiliary air bag 3 are automatically expanded when released from the folded storage state. 2 and the auxiliary air bag 3 are automatically filled with air, so that they can be easily used in a short time in an emergency.

  Further, according to the smoke-proof evacuation device of this embodiment, the auxiliary air bag 3 also functions as a pump. Therefore, when the main air bag 2 is not sufficiently expanded only by the elasticity of the elastic frame 3c, the auxiliary air bag 3 is used. The bag 3 can help the expansion of the main air bag 2.

  Further, according to the smoke-proof evacuation device of this embodiment, the mask 1 is attached with the transparent shield means for protecting eyes from smoke and toxic gas, so that the field of view can be easily secured by the shield means during evacuation. Can do.

  Further, according to the smoke-proof evacuation tool of this embodiment, the mask 1 also has the entire frame 1a and the goggle frame 1b that automatically expands the mask 1 when released from the folded storage state. Therefore, the mask 1 is automatically expanded in a short time by the elastic force of the whole frame 1a and the goggle frame 1b when the mask 1 is taken out from the storage bag and released from the storage state, so that the mask 1 can be easily mounted in the field such as a fire. it can.

  Furthermore, according to the smoke-proof evacuation device of this embodiment, the two air hoses 4 and 5 are also provided with elastic frames 4c and 5c that automatically extend the air hoses 4 and 5 when released from the folded storage state. Since the two air hoses 4 and 5 are also taken out from the storage bag or the like and released from the stored state, they automatically extend in a short time due to the elastic force of the elastic frames 4c and 5c. Can be easily used in the field.

  As mentioned above, although demonstrated based on the example of illustration, this invention is not limited to the above-mentioned example, It can change suitably within the range of description of a claim, For example, the main air bag 2 is: The elastic frame 2a may not be provided and the auxiliary air bag 3 may be expanded by the function as a pump, and the mask 1 may cover only the nose and mouth. Further, the amount of air that can be breathed may be increased by distributing two main air bags 2 before and after the body. Further, the two air hoses 4 and 5 may be connected to the main air bag 2 instead of the sub air bag 3. The smoke-proof evacuation device of the present invention may be used in combination with an oxygen tank that contains high-pressure oxygen.

  Thus, according to the smoke-proof evacuation device of the present invention, the air in the main air bag and the auxiliary air bag is provided for exhalation while circulating between the mask and the mask, so that it has a simple and inexpensive configuration without a high-pressure oxygen tank. It is possible to easily breathe normal air for about 5 to 10 minutes, and the possibility of safe escape from the site such as a fire can be increased.

  Moreover, according to the smoke-proof evacuation device of the present invention, when the main air bag and the auxiliary air bag are taken out from the storage bag and released from the storage state, at least the elastic member of the main air bag and the auxiliary air bag has the auxiliary air bag. Because of the elastic force of the main air bag and the secondary air bag, at least the secondary air bag automatically expands, so that it can be easily used in a short time in the field such as a fire. If the air bag also has an elastic member, the main air bag automatically expands due to its elasticity so that it can be used in a shorter time, and when the auxiliary air bag functions as a pump, the main air bag Can be forcibly expanded.

It is a side view which shows one Example of the smoke-proof evacuation tool of this invention in the mounting | wearing state to a person. It is a front view which shows the smokeproof evacuation tool of the said Example in the mounting | wearing state to a person. (A), (b) is the rear view and side view which show the main air bag and sub air bag of the smoke-proof evacuation device of the said Example in the expansion | deployment state. (A), (b) is a front view which respectively shows the mask and air hose of the smoke-proof escape tool of the said Example. (A), (b) is explanatory drawing which shows the structure of the both ends of the sub air bag of the smoke-proof escape tool of the said Example, and explanatory drawing which shows the motion of the sub air bag.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mask 1a Whole frame 1b Goggles frame 1c Resin sheet 1d Connector 1e Band 1f Pad 2 Main air bag 2a, 3c, 4c, 5c Elastic frame 2b, 3a, 3b, 3d, 3g Opening 2c, 3h Belt 2d Face fastener 3 Sub Air bag 3e, 3f Disk-like member 4,5 Air hose 4a, 5a Upper end 4b, 5b Lower end 6 Intake vent valve 7 Exhaust vent valve 8 Connecting member 9 Whistle

Claims (6)

A mask that can be worn on the user's head so as to cover at least the user's mouth;
A main air bag having an elastic member that automatically expands the main air bag when released from the folded storage state, and is used for supplying air to the mask and storing air discharged from the mask When,
It is connected to the main air bag, has an elastic member that automatically expands the sub air bag when released from the folded storage state, and both ends of the cylindrical expanded shape can be connected to each other And is connected to both ends thereof to form a ring shape that can be worn around the user's neck, and is used to supply air to the mask and contain air discharged from the mask together with the main air bag. A bag,
Two air passages for communicating the auxiliary air bag or the main air bag and the mask;
An intake vent valve that allows air to flow only from one of the air passages toward the mask from the sub-air bag or the main air bag;
An exhaust vent valve for allowing air to flow only from the mask toward the sub-air bag or the main air bag through the other of the air passages;
Smoke-proof evacuation equipment. A mask that can be worn on the user's head so as to cover at least the user's mouth;
A main air bag used for supplying air to the mask and containing air exhausted from the mask;
It is connected to the main air bag, has an elastic member that automatically expands the sub air bag when released from the folded storage state, and both ends of the cylindrical expansion shape can be connected to each other. A ring that can be worn around the user's neck by connecting both ends thereof, and is used to supply air to the mask and contain air discharged from the mask together with the main air bag; A secondary air bag that functions as a pump for supplying air to the main air bag when compressed by human power from the expanded state of the shape,
Two air passages for communicating the auxiliary air bag or the main air bag and the mask;
An intake vent valve that allows air to flow only from one of the air passages toward the mask from the sub-air bag or the main air bag;
An exhaust vent valve for allowing air to flow only from the mask toward the sub-air bag or the main air bag through the other of the air passages;
Smoke-proof evacuation equipment.   The smoke evacuation tool according to claim 2, wherein the main air bag has an elastic member that automatically expands the main air bag when released from a folded storage state.   The smoke-proof evacuation according to any one of claims 1 to 3, wherein the mask is attached with a transparent shielding means for protecting eyes from smoke and toxic gas and ensuring visibility. Tools.   The smoke-proof evacuation device according to any one of claims 1 to 4, wherein the mask includes an elastic member that automatically expands the mask when released from a folded storage state.   The smoke evacuation tool according to any one of claims 1 to 5, wherein the air passage includes an elastic member that automatically expands the air passage when the air passage is released from the folded storage state.

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