JP2011067387A - Wheelchair with disaster prevention hood - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wheelchair with a disaster prevention hood which is folded to be compact normally and can be swollen and worn by a wheelchair user with his or her hands in a disaster. <P>SOLUTION: The wheelchair includes: a bag 20 which is mounted to the backrest portion of the wheelchair 2 and provided with an openable and closable opening closed with a hook-and-loop fastener; and the disaster prevention hood 10 folded up and housed in the bag. The disaster prevention hood includes: an airbag 11; a compact gas cylinder 13 for supplying a compressed gas into the airbag to be swollen; and a cylinder opening device 14 for opening the compact gas cylinder. The cylinder opening device is provided with a lever for opening the compact gas cylinder. An operation part for turning the lever is exposed to the outside of the bag from the opening. When the compact gas cylinder is opened by the operation part, the airbag jumps out from the bag and swells above the head of the wheelchair user and the disaster prevention hood becomes usable at the moment. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a wheelchair provided with a disaster hood that is normally folded in a small size and that can be installed by a wheelchair user by instantly inflating with his / her hand during a disaster.

  In the event of a disaster such as an earthquake or fire, a disaster hood is used to protect the head from falling objects from above. It is desirable to be able to carry such a disaster-preventing hood because it cannot be expected when it is needed.

  Patent Document 1 (Japanese Patent No. 3348241) proposes a hood storing belt provided on the top of a rucksack, and an airbag-type hood is folded and stored therein. In the event of a disaster, the head can be protected by instantly inflating the air bag with a gas filling device.

Japanese Patent No. 3348241

  Here, if it is a healthy person, it is possible to carry a rucksack or the like equipped with a disaster hood as shown in Patent Document 1 and wear it at the time of a disaster, but for those who must use a wheelchair Carrying luggage such as rucksacks is difficult. However, in the event of a disaster, it is necessary to protect yourself first, so there is a need for a disaster hood that can be carried by wheelchair users and can be easily installed.

  In view of such circumstances, the present invention is intended to provide a wheelchair equipped with a disaster hood that is normally folded in a small size and can be worn and installed by a wheelchair user in the event of a disaster. It is.

  The wheelchair equipped with the disaster prevention hood of the present invention is attached to the backrest portion of the wheelchair, a bag body having an openable opening that is closed with a hook-and-loop fastener, a disaster hood that is folded and accommodated in the bag body, The disaster hood has an air bag, a small gas cylinder that supplies compressed air to the air bag to inflate, and a cylinder opening device that opens the small gas cylinder, and the cylinder opening device opens the small gas cylinder. The operation part that rotates the lever is exposed to the outside of the bag body from the opening, and when the small gas cylinder is opened by the operation part, the air bag jumps out of the bag body and bulges over the wheelchair user's head, The hood is immediately ready for use.

  Here, the airbag has a first airbag that covers the upper part of the head and both sides of the face, and a second airbag that communicates with the first airbag and covers the upper part of the back from the back of the head. Also good. Moreover, it can also be set as the structure which can adjust the height when a part of airbag and the inside of a bag body are adhere | attached with a some button or hook-and-loop fastener, and a disaster prevention hood will be in a usable state.

  In addition, the disaster prevention hood that is ready for use can be removed from the bag body, or the operation portion is a linear body such as a string, and the lever is rotated by the linear body to open the small gas cylinder, and then the wire The configuration may be such that the shape body is detached from the lever.

  According to the wheelchair provided with the disaster hood of the present invention, it is possible to achieve an excellent effect that the disaster hood can be easily attached while the wheelchair user is sitting on the wheelchair in the event of a disaster.

  In addition, the disaster prevention hood that can be used can be removed from the wheelchair, so it can be removed from the wheelchair with the disaster prevention hood attached. It can also be used as an effect.

It is a perspective view of the wheelchair provided with the disaster hood of the present invention, and shows the state before the air bag is inflated. It is a perspective view of the wheelchair provided with the disaster hood of the present invention, and shows the state after the air bag is inflated. It is a perspective view which shows the external appearance of a small gas cylinder and a cylinder open | release apparatus, (a) shows the state before an operation | movement, (b) shows the state after an operation | movement. The cross-sectional view in which the string passing through the pulley operates the cylinder opening device, (a) shows a state before operation, (b) shows a state after operation, and (c) shows a state where the string comes out after operation.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a wheelchair equipped with the disaster hood of the present invention, showing a state before the airbag is inflated, and FIG. 2 is a perspective view of the wheelchair equipped with the disaster hood of the present invention, The state after bulging is shown.

  As shown in FIG. 1, the wheelchair 1 equipped with the disaster hood according to the present invention has a bag body 20 attached to a backrest portion of the wheelchair 2 in a normal state. The disaster hood 10 from which air has been removed is housed in a small fold. The bag body 20 must have a structure that allows the accommodated disaster prevention hood 10 to swell and pop out. can do. In addition, since the bag 20 is attached to the backrest part of the wheelchair 2, it hardly disturbs a wheelchair user.

  The disaster prevention hood 10 is configured to reduce the impact from falling objects or the like by the air bag 11. The airbag 11 shown in FIG. 2 includes a first airbag 11a that covers the top and left and right sides of the head, and a second airbag 11b that covers the back of the head, the neck, and the upper back. It has become. With conventional disaster hoods, there is a possibility that falling objects may hit the neck and back, resulting in injury, even though the hood is worn. On the other hand, with the disaster prevention hood 10 provided with the second airbag 11b, even if a fallen object collides with the neck or the back as well as the head, it is sufficiently protected without damaging the neck or the back. Is possible.

  The airbag 11 is configured to be filled with gas by a compressed gas small gas cylinder 13 attached to the second airbag 11 b and a cylinder opening device 14. A string 15 serving as an operation unit is attached to the cylinder opening device 14, and a grip 15a is provided at the tip. The string 15 and the grip 15 a are set so as to go out through the opening of the bag body 20. In addition, the string 15 can adjust the pulling angle by using the pulley 19 attached to the wheelchair 2, and can open the cylinder with a light force. The operation unit is not limited to the string 15 and may be a wire as long as it is a linear body.

  Since the first airbag 11a shown in FIG. 2 is formed by connecting a plurality of small rod-shaped airbags in the lateral direction, the first airbag 11a is easily bent along both sides of the head and face. Yes. Further, the second airbag 11b extending to the back is also constructed by connecting a plurality of small rod-shaped airbags in the lateral direction, so that it is strong and resistant to impact. The first air bag 11a and the second air bag 11b communicate with each other, and when compressed gas is introduced into any one of the small rod-shaped air bags, the compressed gas is instantly all the small rod-shaped air bubbles. You can enter the bag and inflate them. The inflated disaster prevention hood 10 is very hard because the airbag 11 is filled with high-pressure gas. In particular, since a plurality of rod-shaped rod-like small airbags are connected in the lateral direction, the strength can be increased.

  The airbag 11 is a nylon base cloth coated with polyurethane elastomer, is flame retardant, water-repellent and airtight, and the compressed gas contained in the airbag 11 is very A structure that does not leak easily is recommended. If it does so, even if it receives what has fallen from the head when using it by an earthquake etc., a head and a neck can be fully protected.

  A chin strap 16 for fixing the disaster prevention hood 10 to the head is attached to the first airbag 11a, and can be easily fixed with a hook-and-loop fastener or the like. Further, the air bag 11 is equipped with an air vent valve 18 so that the gas inside the air bag 11 can be extracted and folded when the use of the disaster prevention hood 10 is finished.

  Moreover, in order for the wheelchair user to be able to wear the disaster prevention hood 10 while sitting on the wheelchair 2, it is necessary to match the position of the disaster prevention hood 10 when inflated with the position of the head of the wheelchair user. . Therefore, it is preferable that a part of the airbag 11 and the bag body 20 be fixed with a button 17 or a hook-and-loop fastener. If it is a button 17 or a hook-and-loop fastener, the height of the disaster prevention hood 10 can be easily adjusted in advance, and when the wheelchair 2 must be left with the disaster prevention hood 10 covered, only the disaster prevention hood 10 can be easily obtained. This is because the can be removed from the bag body 20.

  FIG. 3 is a perspective view showing the external appearance of the small gas cylinder and the cylinder opening device, where (a) shows a state before the operation, and (b) shows a state after the operation. 4 is a cross-sectional view in which the string passing through the pulley operates the cylinder opening device, (a) is in a state before operation, (b) is in a state after operation, and (c) is in a state in which the string is pulled out after operation. Show.

  As shown in these drawings, the small gas cylinder 13 is attached to the cylinder opening device 14 with screws. The cylinder opening device 14 has an insert needle 14a, and the tip thereof is urged away from the small gas cylinder 13 by a spring 14b. The rear end of the insert needle 14a is in contact with one end of the lever 14c, and the lever 14c can rotate about the rotation shaft 14d. A string 15 as an operation unit is connected to the other end of the lever 14c, and a grip 15a is provided at the tip of the string 15.

  In order to operate the cylinder opening device 14, the string 15 is pulled with the grip 15a, and the lever 14c is rotated as shown in FIGS. Then, one end of the lever 14c pushes the rear end of the insert needle 14a, the insert needle 14a advances toward the small gas cylinder 13, and breaks through the sealing plate provided at the opening of the small gas cylinder 13. As a result, the compressed carbon dioxide gas is ejected from the small gas cylinder 13 and the airbag 11 connected to the cylinder opening device 14 is filled with the carbon dioxide gas through the hole 14e. The used small gas cylinder 13 can be removed and replaced with a new one.

  In the present invention, it is necessary to pull the string 15 as the operation unit in a state where the wheelchair user is sitting on the wheelchair 2. Therefore, it is preferable that the pulley 19 is attached to the wheelchair 2 so that the grip 15a is guided to a position where it can be easily gripped and the lever 15c can be moved by pulling the string 15 with a light force. At this time, after the disaster hood 10 is inflated and can be attached, if the string 15 does not come off the pulley 19, the string 15 is caught and the wheelchair 2 cannot be left with the disaster hood 10 covered. Therefore, a notch 14f may be provided in the lever 14c so that the string 15 is detached from the lever 14c after the lever 14c rotates as shown in FIG. 4C.

  Further, not only the disaster prevention hood 10 but also emergency food can be put in the bag body 20. This is because an emergency meal can hold a considerable period of time.

DESCRIPTION OF SYMBOLS 1 Wheelchair provided with disaster prevention hood Wheelchair 10 Disaster prevention hood 11 Air bag 11a First air bag 11b Second air bag 13 Small gas cylinder 14 Cylinder opening device 14a Insert needle 14b Spring 14c Lever 14d Rotating shaft 14e Hole 14f Notch 15 String 15a grip 16 chin string 17 button 18 air vent valve 19 pulley 20 bag 21 hook and loop fastener

Claims (5)

A bag body with an openable opening attached to the backrest of the wheelchair and closed with a hook-and-loop fastener;
A disaster hood accommodated in a folded state in the bag, and
The disaster prevention hood includes an air bag, a small gas cylinder that supplies compressed air to the air bag to inflate, and a cylinder opening device that opens the small gas cylinder, and the cylinder opening device opens the small gas cylinder. A wheelchair user is provided with a lever, and an operation part that rotates the lever is exposed to the outside of the bag body from the opening, and when the small gas cylinder is opened by the operation part, the air bag pops out from the bag body. A wheelchair equipped with a disaster hood, which bulges over the head of the vehicle and is immediately ready for use.   The airbag includes a first airbag that covers the upper part of the head and both sides of the face, and a second airbag that communicates with the first airbag and covers the upper part of the back from the back of the head. A wheelchair provided with the disaster hood according to claim 1.   A part of the air bag and the inside of the bag body are fixed by a plurality of buttons or hook-and-loop fasteners, and the height when the disaster prevention hood becomes usable can be adjusted. A wheelchair provided with the disaster hood according to 1 or 2.   The wheelchair provided with the disaster-preventing hood according to any one of claims 1 to 3, wherein the disaster-preventing hood in a usable state is removable from the bag.   The operation unit is a linear body such as a string, and the linear body is detached from the lever after the lever is rotated by the linear body and the small gas cylinder is opened. The wheelchair provided with the disaster hood in any one of -4.

Images