JP3542125B2 - Gas inflatable life jacket - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a gas inflatable life jacket that is rapidly expanded by gas ejected from a gas cylinder.
[0002]
[Prior art]
Life jackets used for lifesaving when a person falls into the sea, lake, river, etc. must be certified by the Ministry of Land, Infrastructure, Transport and Tourism. As one form of the life jacket, there is a gas inflatable life jacket in which a gas cylinder is attached to a front body and rapidly expanded by a gas ejected from the gas cylinder in an emergency to expand to a predetermined state.
[0003]
In this type, the front body and the back are connected at the shoulder and the abdomen, the gas cylinder is attached to the front body, the left and right front bodies are connected by a fastener, and the gas discharged from the gas cylinder is used to fill the gas charging chamber. Is a system that expands rapidly. In such a life jacket, when the wearer is thickly worn under the life jacket or when the chest circumference is large, the chest of the wearer is strongly pressed due to the rapid expansion of the gas-filled chamber, causing pain. You may have difficulty breathing. If the fasteners connecting the left and right front bodies are removed to escape this suffering, the life jacket may come off and be dangerous.
[0004]
[Problems to be solved by the invention]
In view of the above, the present invention provides a good fit during normal wear and alleviates the chest compression of the wearer caused by the rapid expansion of the gas-filled chamber in an emergency and the pain caused thereby. It is intended to provide a gas inflatable life jacket that can be used.
[0005]
[Means for Solving the Problems]
In the gas inflatable life jacket of the present invention, the front body and the back are connected at the shoulder and the left and right abdominal parts, a gas cylinder is attached to the front body, the left and right front bodies are detachably connected to each other by a fastener, and An adjusting belt for adjusting a distance between the left and right side abdominal portions of the back portion so as to adjust a fit feeling of wearing a life jacket , wherein the left and right abdominal portions are adapted to rapidly expand a gas charging chamber by gas ejected from a gas cylinder. connected by at least one said portion back and are connected by the transverse abdominal around the left and right predecessor, its upper part, leaving the lower part of the fixed coupling part may come off with the rapid expansion of the gas plenum And a gas inflatable life jacket, which is connected by a safety device which can be removed by a wearer .
[0006]
Thereby, the safety device is released when the torso of the wearer of the life jacket reaches an inflated state in which the torso of the wearer is more strongly tightened than the predetermined tightening, so that the wearer of the life jacket is relieved from chest compression and suffering from breathing difficult. It can be relieved from the condition. Since this safety device can be removed by the wearer of the life jacket arbitrarily, it can be arbitrarily selected in the state of joint or detached according to the wearer's preference even in the normal use state or the gas inflated state with less compression it can. Further, even when the safety device is removed, the connection between the front body and the back is maintained by the fixed connecting portion at the lower part thereof, so that the life jacket does not come off from the worn state.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of the present invention will be described. FIG. 1 is an explanatory view of a life jacket of the present invention as viewed from the front side, FIG. 2 is an explanatory view of a connecting portion of a life jacket of the present invention between a front body and a back, and FIG. 3 is a view of the life jacket of the present invention. It is explanatory drawing seen from the front side which shows other embodiment.
[0008]
Hereinafter, details of an embodiment of a gas inflatable life jacket of the present invention will be described based on FIGS. 1 and 2. The gas inflatable life jacket 1 of the present invention is provided with a gas cylinder 2, the left and right front bodies 3, 4 and the back 5 are connected by a shoulder 6 and left and right abdominal parts 7, 8, and one of the front bodies 4 has a gas cylinder. A gas charging chamber 10 formed on the shoulder portion of the back 5 and the front bodies 3 and 4 by the gas escaping from the gas cylinder 2. Is a system that rapidly expands, and a portion 11 where at least one of the left and right front bodies 3 and 4 and the back 5 is connected to the back 5 by the abdominal part 7 or 8 is above the part 11 except for the fixed coupling part 12 at the lower part. The parts are connected by a safety device 13 such as a hook device or a hook-and-loop fastener which can be detached with rapid expansion of the gas charging chamber 10.
[0009]
The fastener 9 has a large number of locking portions 15 arranged on the left and right, and a slider (an operating portion) that movably engages and disengages the left and right locking portions 15 in the arrangement direction (vertical direction in FIG. 1). 14) is used. In this fastener 9A, a large number of locking portions 15 are vertically arranged along the edges of the front bodies 3 and 4 in a vertical band, and the left and right locking portions 15 can be alternately engaged and disengaged. This is a well-known method performed by the slider 14, and is similar to that generally used for opening and closing a pocket, opening / closing a bag, and the like of clothes. By moving the slider 14 upward, the left and right locking portions 15 are alternately engaged to join the front bodies 3 and 4, and by moving the slider 14 downward, the engagement of the left and right locking portions 15 is prevented. It is a mechanism that comes off.
[0010]
FIG. 2 shows a case where a hook device 13A as shown by an enlarged portion is adopted as the safety device 13 in the upper part thereof. The hook device 13A includes an entry side 17 having an arrowhead portion 16 and a receiving side 19 having a pair of linear springs 18 that the arrowhead portion 16 locks while expanding. It is attached to the end of the flank 7 and the receiving side 19 is attached to the end of the flank 7 of the back 5. By pressing the entry side 17 and the reception side 19 mutually, the arrowhead part 16 is engaged with the linear spring 18 while pushing and expanding the linear spring 18, and the entry side 17 and the reception side 19 are connected to each other. The end of the flank 7 of the body 3 and the end of the flank 7 of the back 5 are joined. Further, by separating the entry side 17 and the reception side 19 from each other by hand, the end of the side abdomen 7 of the front body 3 and the end of the side abdomen 7 of the back 5 are separated and opened.
[0011]
As another method of the safety device 13, a hook-and-loop fastener device 13 </ b> B as shown by an enlarged portion in a lower part of FIG. 2 can be adopted. This is because one hook-and-loop fastener material 20 is attached to the end of the flank 7 of the front body 3 and the other hook-and-loop material 21 is attached to the end of the flank 7 of the back 5. Reference numeral 21 denotes a known or well-known hook-and-loop fastener in which a large number of hook-shaped fibers are provided on the joint surface, the hook-shaped fibers are entangled and joined by pressing, and the joining is released by a peeling operation.
[0012]
As will be described later, when the state in which the jacket 1 presses the torso of the wearer becomes more than a predetermined state when the gas charging chamber 10 is rapidly expanded by the gas ejected from the gas cylinder 2, the safety device 13 comes off. It is. That is, in the case of the hook device 13A, an acting force acting in a direction in which the gas-expanded side 17 and the receiving side 19 are disengaged from each other due to gas expansion. The connection with the receiving side 19 is released. That is, when the pressing state of pressing the torso of the wearer of the jacket 1 becomes a predetermined state or more, the acting force releases the connection between the entry side 17 and the receiving side 19, and the pressing state becomes the predetermined state. At this point, this coupling force is set so that the coupling between them is released. Also, in the case of the hook-and-loop fastener device 13B, the connection between the hook-and-loop fastener members 20 and 21 is released when a predetermined compression state or more is reached.
[0013]
As a result, the wearer can be relieved from a situation where the torso of the wearer of the jacket 1 is pressed and breathing becomes difficult. Both the hook device 13A and the hook-and-loop fastener device 13B are pre-tested and set their reference values so that when the torso compression force of the wearer of the jacket 1 exceeds a predetermined limit, the connection is released and the compression is released. Then, it may be manufactured according to the reference value.
[0014]
In the portion 11 where the front part 3 and the back part 5 are connected by the abdominal part 7, the range of the lower fixed connecting part 12 is indicated by Q in FIG. 2, and the detachable range connected by the safety device 13 of the upper part is This is indicated by P in FIG. As described above, with the rapid expansion of the gas charging chamber 10, the safety device 13 is disengaged, whereby the front body 3 and the back 5 are opened in the area P, and the torso of the wearer of the jacket 1 is opened in this area. Compression of parts, especially the chest and abdomen, can be released.
[0015]
When the front part 3 and the back part 5 are formed separately, the fixed connection part 12 means that both parts are integrally joined by stitching, and a cloth in which the front part 3 and the back part 5 are continuous. When it is formed in a series, it means a portion that is continuous in a seamless state (this portion becomes a substantial joining portion).
[0016]
In the above description, the abdominal part 8 where the front body 3 and the back part 5 are connected is formed by sewing or a series of materials to each other, and the safety device 13 is provided on the side abdominal part 7 where the front body part 3 and the back part 5 are connected. When the abdominal part 7 connecting the front part 3 and the back part 5 is sewn to each other or formed of a series of materials, the abdominal part 8 may be provided with a fixed connecting part 12 and a safety device 13. Moreover, the form which provided the fixed connection part 12 and the safety device 13 in both the side part 7 and the side part 8 may be sufficient. When the fixed joint 12 and the safety device 13 are provided in both the side abdomen 7 and the side abdomen 8, the left and right safety devices 13 are opened, and the chest or the chest of the wearer accompanying the rapid inflation of the gas charging chamber 10 is opened. Release from abdominal compression is greater.
[0017]
The gas cylinder 2 is covered by a cover 22 on the front body 4 on the right side. By pulling a string 23 extending to a lower portion of the cover 22, the valve of the gas cylinder 2 is opened, and gas is ejected to the gas charging chamber 10. It is a mechanism that expands rapidly. The gas cylinder 2 has a gas outlet portion detachably attached to a mounting bracket attached to the life jacket 1 with a screw. After gas is ejected once, when the life jacket 1 is used next time, a new gas cylinder is used. It is a structure that can be replaced with a gas cylinder 2.
[0018]
In the life jacket 1, the surface material and the backing material are formed of a synthetic resin material such as nylon, and the surface material and the backing material are air-tightly bonded by an air-tight bonding portion 24 around the periphery of the backing material, thereby forming the gas charging chamber 10. The gas charging chamber 10 is formed above the left and right front bodies 3 and 4 and the back 5. Reference numeral 25 denotes a flexible air blowing pipe for blowing air into the gas charging chamber 10 by human power, which is provided with a check valve for preventing backflow of air, and is provided in the front body 3 on the left side.
[0019]
Reference numeral 28 denotes a fishing rod, which is held by a support portion 26 provided at an upper portion of the life jacket 1 and a support portion 27 provided at a lower portion of the life jacket 1. The support portion 26 and the support portion 27 are configured to support the fishing rod 28 by a support belt that is detachably bonded by a hook-and-loop fastener device. This hook-and-loop fastener device has the same known or well-known configuration as the hook-and-loop fastener device 13B.
[0020]
As shown in the enlarged portion at the top of FIG. 1, the support portion 26 is attached at one end to the upper portion of the front body 4 by sewing, and is attached to the upper portion of the support belt 30 having the hook-and-loop fastener 31 at the other end. The surface fastener 31 is joined to the surface fastener 29 by a pressing force while the fishing rod 28 is covered with the support belt 30.
[0021]
1, a support belt 33 having a hook-and-loop fastener 32 attached to one end of the lower part of the front body 4 by sewing, and a lower part of the front body 3 And a support belt 35 provided with a hook-and-loop fastener 34 to the other end side, and the fishing rod 28 is covered with the support belt 33 at a position below the fishing line winding reel 36 attached to the fishing rod 28 to support the upper part. The surface fastener 32 and the surface fastener 34 are joined by pressing pressure while covering with the belt 35.
[0022]
With such a configuration, the fishing rod 28 is received by the support portion 27 to prevent the fishing rod 28 from sliding down, and is supported by the support portion 26 and the support portion 27 so as not to be separated from the life jacket 1. You. By peeling off the joint between the hook-and-loop fasteners 31 and 29 by the support belt 30, the fishing rod 28 can be pulled upward from the support portion 27.
[0023]
Reference numerals 60, 61, and 62 denote pockets. The arrangement of the gas cylinder 2, the air blowing pipe 25, the support portions 26 and 27 of the fishing rod 28, and the pockets 60, 61, and 62 takes into consideration the load balance and usability of the right and left sides. Then, it is an arrangement in which the vacant portions of the predecessors 3 and 4 are effectively used.
[0024]
The arrangement of the gas cylinder 2, the air blowing pipe 25, the support portions 26 and 27 of the fishing rod 28, and the pockets 60, 61 and 62 may be the arrangement shown in FIG. In addition, other arrangements may be used in consideration of the load balance on the left and right, the usability, and the like.
[0025]
The abdominal part 7 and the abdominal part 8 are tied at their backs by adjusting belts 37 and 38 for adjusting the distance between them. The adjustment belts 37 and 38 are respectively formed by connecting belts 37A and 38A extending from the flank 7 of the back portion 5 and belts 37B and 38B extending from the flank 8 of the back portion 5 at the ends of the belts 37B and 38B. They are connected by tools 39 and 40, respectively. By changing the locking position of the belts 37A, 38A to the coupling adjusters 39, 40, the position at which the side abdomen 7 and the side abdomen 8 are brought together can be adjusted, and the fit of the life jacket 1 can be adjusted. Configuration.
[0026]
FIG. 3 shows a fastener 9 for detachably connecting the left and right front bodies 3 and 4 to each other, in addition to the fastener 9A shown in FIG. 41 are arranged. As shown in an enlarged manner in the lower part of FIG. 3, the attaching / detaching device 41 includes a locking receiving member 44 and a locking protrusion 45 attached to the tips of belts 42, 43 attached to the front bodies 3, 4, respectively. ing. The attachment / detachment device 41 is coupled by the elastic locking portion 46 of the locking projection 45 being locked to the locking portion 47 of the locking receiving member 44 by its elastic force. This connection is configured so that the wearer presses the elastic locking portion 46 from the outside with a finger to release the locking with the locking portion 47 so that the connection between the two can be released.
[0027]
The fastener 9 may be a combination of the fastener 9A shown in FIG. 1 and the attachment / detachment device 41 or only one of them. In the embodiment of FIG. 3, both are used, and the configuration is such that a safe state is maintained without separation of the front bodies 3 and 4 when gas is expanded. In addition, the collar 63 can be made removable by a fastener similar to the fastener 9A.
[0028]
The tip of the air blowing pipe 25 is covered with the cover 64 because it easily hits the jaw of the wearer of the life jacket 1. The cover 64 has one end sewn to the front body 4 and is provided with a hook-and-loop fastener 65 similar to the support portion 26 at the lower end side. The cover 64 is detachable. By opening the opening 64, air can be blown from the air blowing pipe 25.
[0029]
In the above description, the gas cylinder 2 is opened by pulling the string 7, but in consideration of the unstable psychological state when falling into the water, the valve is automatically opened and the gas is ejected when falling into the water. System. As one of them, a well-known valve mechanism having a mechanism in which a part of a valve lock device that closes a gas ejection port of a gas cylinder 2 uses a member that unlocks when wet with water can be employed. Thus, when dropped into water, the valve can be quickly sucked and the valve opens automatically to save the wearer from danger. As one of the life jackets 1 of this type, usually, the life jacket 1 is housed in a waist pouch, and when it falls into the water, it rapidly absorbs water and the valve opens automatically to expand the gas. There is a waist pouch type life jacket 1 in which the life jacket 1 protrudes from the waist pouch.
[0030]
The present invention is not limited to the above-described embodiments, and various modifications can be considered without departing from the technical scope of the present invention, and the present invention includes various embodiments.
[0031]
【The invention's effect】
In the present invention, the safety device comes off when the torso of the wearer of the life jacket reaches an inflated state in which the torso of the wearer is more strongly tightened than the predetermined tightening. Can be relieved from respiratory conditions. Since this safety device can be removed by the wearer of the life jacket arbitrarily, it is possible to arbitrarily select the jointed or detached state according to the wearer's preference even in the normal use state or the gas inflated state with less pressure it can. Further, even when the safety device is removed, the connection between the front body and the back is maintained by the fixed connecting portion at the lower part thereof, so that the life jacket does not come off from the worn state.
[Brief description of the drawings]
FIG. 1 is an explanatory view of a life jacket of the present invention as viewed from the front side.
FIG. 2 is an explanatory view of a connecting portion between a front body and a back in a lateral abdomen of the life jacket of the present invention.
FIG. 3 is an explanatory diagram showing another embodiment of the life jacket of the present invention as viewed from the front side.
[Explanation of symbols]
1 ... life jacket 2 ... gas cylinder 3, 4 ... front body 5 ... back 6 ... shoulders 7, 8 ... side abdomen 9, 9A ... fastener 10 ... gas filling chamber 11 ... side abdomen Connecting portion 12 ... fixed connecting portion 13 ... safety device 13A ... hook device 13B ... hook-and-loop fastener device 25 ... air blowing pipes 26 and 27 ... support portion 28 ... fishing rod 41 ... detachable device

Claims (1)

The front body and the back are connected by the shoulder and the left and right abdominal parts, and a gas cylinder is attached to the front body, and the left and right front bodies are detachably connected to each other by a fastener, and a gas charging chamber is formed by gas ejected from the gas cylinder. Is a system that rapidly expands, the left and right abdominal parts are tied by an adjustment belt that adjusts the interval between the left and right abdominal parts of the back part to adjust the fit feeling wearing a life jacket, and the left and right front body parts A portion where at least one of the back portions is connected to the back portion by the abdominal portion can be detached by a wearer arbitrarily while an upper portion thereof can be detached with rapid expansion of the gas charging chamber, leaving a lower fixed joint portion. A gas inflatable life jacket, which is connected by a safety device .

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