JP3233556U - Lifesaving stake - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a life-saving cage having a draft adjustment function. A life-saving basket 1 includes a main body portion 10 having a box-like shape with an open upper surface, a floating body portion 30 arranged inside the main body portion, and a top plate portion 20 covering the upper surface of the main body portion. The main body is made of a wire mesh cage 11, and the top plate is used as a table surface or a seat surface, so that the main body can be used as an outdoor table or an outdoor bench in normal times. [Selection diagram] Fig. 1

Description

The present invention relates to a life raft, and particularly to a life raft having a draft adjustment function.

In the Great East Japan Earthquake that occurred in 2011, it was recognized that the damage caused by the tsunami could be greater than the damage caused by the earthquake itself, such as the collapse of buildings.
Various lifeboats and lifeboats have been developed to prevent drowning by allowing victims to board and drift in response to flooding of rivers due to tsunamis and torrential rains.
Patent Documents 1 and 2 disclose a life raft for boarding on a flat floating body. The life raft floats on the water due to the buoyancy of the floating body itself.
Patent Documents 3 to 5 disclose a lifeboat having a cabin under the surface of the water. In addition to the buoyancy of the members themselves, the lifeboat structurally creates buoyancy by securing the volume below the water surface (drainage volume) at the bottom of the ship.

JP-A-2002-85197 Japanese Unexamined Patent Publication No. 2014-210144 Utility Model Registration No. 3209157 Japanese Unexamined Patent Publication No. 2015-105090 Japanese Unexamined Patent Publication No. 2013-67360

<1> Since the rafts of Patent Documents 1 and 2 have a structure of being mounted on a flat plate-shaped floating body, the center of gravity is high, the raft is unstable, and the raft is easily capsized. In addition, since the drainage volume is small and the resistance in water is low, it is easily washed away by the wind.
<2> Since the lifeboats of Patent Documents 3 to 5 have a structure in which buoyancy is generated by the space at the bottom of the ship, the buoyancy is substantially proportional to the size of the hull. For this reason, a large buoyancy is generated, the draft becomes shallow, and the draft becomes unstable.
<3> In order to deepen the draft of the lifeboat, it is necessary to place ballast on the bottom of the boat to increase the weight of the hull. Therefore, the portability is low and it cannot be used quickly in an emergency.
<4> Both life raft and life boat are stored in a specific storage place such as a disaster prevention warehouse, so if you are suddenly hit by a tsunami outdoors, for example, you can reach the source within a limited time and use it. Can not do it.

The life-saving basket of the present invention that solves these problems has a main body portion having a box shape composed of a wire mesh cage, a floating body portion arranged inside the main body portion, and a top plate portion that covers the upper surface of the main body portion. And, and by using the top plate as a table surface or a seat surface, it can be used as an outdoor table or an outdoor bench in normal times.
According to this structure, the draft can be adjusted arbitrarily.

The life raft of the present invention may include a hexahedron having a styrofoam floating body portion.
According to this structure, it is lightweight yet highly stable.

The life raft of the present invention may include a tank made of synthetic resin having a plurality of floating bodies.
According to this structure, the floating body portion can be easily obtained, and the tank can be diverted to water supply or the like after evacuation.

In the life raft of the present invention, the floating body portion may be fixed to the lower surface of the top plate portion.
According to this structure, the buoyancy is high and the stability is high.

The life raft of the present invention may include a strut portion whose one end is pivotally supported on the top plate portion.
According to this structure, a fall prevention rope can be stretched on the top plate portion.

In the life raft of the present invention, the cage body may be a welded wire mesh.
According to this structure, high durability and shape retention rigidity can be exhibited.

The life raft of the present invention may include a top plate main body in which the top plate is formed by arranging thinned wood in the width direction.
According to this structure, even if a part of the top plate main body is damaged, it can be partially replaced.

The life raft of the present invention may be provided with a reinforcing material whose main body covers the four corners.
According to this structure, damage to the main body can be prevented.

The large-scale life raft of the present invention is characterized in that a plurality of life raft are connected to each other.
According to this structure, many victims can be rescued at once.

Since the life raft of the present invention has the above configuration, it has at least one of the following effects.
<1> By adjusting the volume of the floating body, the draft can be adjusted according to the application without changing the size of the hull.
<2> By lowering the center of gravity with a wire mesh cage and raising the buoyancy with the buoyancy of the floating body, it is possible to demonstrate high stability while being lightweight.
<3> It can be used as an outdoor table or an outdoor bench in normal times, and can be used as a raft in an emergency, so it can be used immediately even when outdoors.

Explanatory drawing of the life raft of the present invention. Explanatory drawing of the life raft of the present invention. An explanatory diagram of the draft adjustment function of the life raft of the present invention. Explanatory drawing of Example 2. FIG. Explanatory drawing of Example 3. FIG.

Hereinafter, the life raft of the present invention will be described in detail with reference to the drawings.

[Lifesaving stake]
<1> Overall configuration (Fig. 1).
The life-saving raft 1 of the present invention is a life-saving raft having a draft adjustment function.
The life raft 1 includes a main body portion 10 made of a wire mesh cage, a top plate portion 20 that covers the upper surface of the main body portion, and a floating body portion 30 that is arranged inside the main body portion 10.
The top plate portion 20 is fixed to the edge portion of the main body portion 10, but can be removed as necessary to take out or replace the floating body portion 30 inside.
The life raft 1 can be used as outdoor equipment such as an outdoor table and an outdoor bench in normal times. When a river overflows due to a tsunami or torrential rain, it can be used as a raft and boarded on the top plate 20 to prevent the victims from drowning.

<2> Main body.
The main body portion 10 is a member for storing the floating body portion 30.
The main body 10 includes a box-shaped wire mesh cage 11 having an open upper surface.
In this example, a welded wire mesh assembled in a cage shape is adopted as the cage body 11.
The welded wire mesh has excellent durability and shape-retaining rigidity, and is heavy, so that the center of gravity of the life raft 1 can be lowered to improve stability. The cage 11 is not limited to the welded wire mesh, but may be a plain weave wire mesh, a crimp wire mesh, or the like.
Since the cage 11 is made of wire mesh, it is easy for the victims who have been washed away to be rescued by holding them with their fingers on the mesh.
Further, in this example, the reinforcing material 12 that covers the four corners of the adjacent side surfaces of the cage 11 is provided. The reinforcing material 12 prevents the corners of the cage 11 from being damaged by the collision of drifting objects.

<3> Top plate part.
The top plate portion 20 is a member that serves as the deck of the life raft 1.
In this example, the top plate main body 21 and the edge member 22 covering the four sides of the upper surface are provided. However, the present invention is not limited to this, and a single structure of the top plate main body 21 may be used.
In this example, the top plate main body 21 is formed by laying a plurality of thinned lumber square timbers in the width direction.
By using thinned wood for the top plate main body 21, even if a part of the top plate main body 21 is damaged, it can be partially replaced, so that the repair cost is reduced. It also contributes to the effective use of thinned wood.
In this example, an aluminum angle member is used as the edge member 22. By covering the edge portion of the top plate main body 21 with the edge member 22, damage to the edge portion can be prevented. The edge member 22 is not an essential component.
In this example, the support column portion 40 is provided on the top plate portion 20.

<4> Floating body part.
The floating body portion 30 is a member that introduces buoyancy into the life raft 1.
In this example, a styrofoam hexahedron is used as the floating body portion 30. However, the present invention is not limited to this, and the life raft 1 carrying the victim may be made of a material and a shape that can be floated in an appropriate draft in consideration of the specific gravity and the volume.
It is desirable that the floating body portion 30 is fixed inside the cage 11 so as not to swing inside the cage 11. The fixing method may be any method such as fastening with a belt or fastening with a rope.
When the floating body portion 30 is fixed to the lower surface of the top plate main body 21, the floating center is higher than when it is fixed to the bottom of the cage 11, so that the stability during drifting is improved.

<5> Support column (Fig. 2).
The strut portion 40 is a member for stretching a rope for preventing falls.
In this example, the strut portion 40 includes a prismatic strut body 41 and a loop-shaped mooring tool 42 provided on the side of the strut body 41.
However, the present invention is not limited to this, and the support column main body 41 may have a cylindrical shape or the like, and the mooring tool 42 may have an upward hook shape or the like. Further, it is not necessary to provide the mooring tool 42.
The strut portion 40 may be directly connected to the top plate main body 21, or may be connected to the top plate main body 21 via the upper portion of the reinforcing member 12 as shown in FIG.
In this example, two support column main bodies 41 are arranged along both opposite sides of the top plate portion 20, and one ends of the support column main bodies 41 are respectively placed on the diagonal of the top plate portion 20 at two locations on the top plate portion 20. Axis support.
By raising the other end of the support column body 41, the support column body 41 can be erected upright on the top plate portion 20.
The support column body 41 may be able to stand upright by fixing the end portion on the side opposite to the shaft support side to another element with a pin-shaped fastener 50 and pulling it out in an emergency.
Further, by using the fastener 50 as a support shaft of the support column body 41, the support column body 41 can be raised to either side depending on the application.
By hanging the rope over the mooring tool 42 after both the column main bodies 41 are upright, it is possible to hold the rope and prevent it from falling from the top plate portion 20.
In addition, the strut portion 40 has other uses such as directly grasping it to prevent it from falling and stretching a sail.

<6> Draft adjustment function (Fig. 3).
The life raft 1 of the present invention is characterized by a draft adjustment function that allows the draft to be arbitrarily set.
Since the life raft 1 of the present invention has a structure in which the floating body portion 30 is arranged in the main body portion 10 made of a wire mesh cage, the buoyancy depends on the volume of the floating body portion 30, while the hull (main body portion 10 and top plate portion). It does not depend on the size of the outer shape of 20).
See FIG. The life raft 1a and the life raft 1b have the same elements (shape, volume, weight) other than the volume of the floating body portion 30.
Since the life raft 1a having a large floating body portion 30 has a larger drainage volume than the life raft 1b, the buoyancy is relatively large and the draft is a shallow draft D ¹ .
On the other hand, the life raft 1b having a small floating body portion 30 has a relatively small buoyancy because the drainage volume is smaller than that of the life raft 1a, and the draft is a ^{draft D 2} deeper than the ^{draft D 1} .
Here, if the other factors are the same, the deeper the draft, the higher the buoyancy with respect to the center of gravity, so that the stability becomes large and it becomes difficult to capsize stably.
As described above, in the life raft 1 of the present invention, by adjusting the volume of the floating body portion 30 to be stored, the draft can be arbitrarily set according to the application regardless of the size of the hull.

<7> Outdoor equipment.
The life raft 1 of the present invention can be used as outdoor equipment such as an outdoor table and an outdoor bench in normal times.
When the life raft 1 of the present invention is used as outdoor equipment, the main body portion 10 serves as a base portion and the top plate portion 20 serves as a table surface or a seat surface.
The texture of the thinned wood of the top plate body 21 can create a gentle and calm atmosphere.
When the reinforcing material 12 is provided, the four reinforcing materials 12 serve as support legs for the outdoor equipment.
Since the inside of the life raft 1 of the present invention is only the styrofoam floating body portion 30, it is light and the wire mesh of the basket body 11 can be hung with a finger, so that it is easy to transport and can be used quickly in an emergency.
Further, since the state of the floating body portion 30 inside can be visually observed from the mesh of the cage 11, it is not necessary to open the top plate portion 20 and take out the floating body portion 30 at the time of inspection, and the inspection work is easy.

[Example of using a resin tank for the floating body]
In this example, the floating body portion 30 includes a polyethylene tank 30a (FIG. 4).
The polyethylene tank 30a can be easily obtained, for example, as a water supply tank or an oil tank having a capacity of 20 L. The lid of the polyethylene tank 30a is sealed and air is sealed therein, and this is sealed in a gap such as a side portion of Styrofoam.
Alternatively, the floating body portion 30 may be composed of only a plurality of tanks 30a. In this case, a predetermined buoyancy is obtained by accommodating the tank 30a in the required number of cages 11.
In the case of this example, in addition to being easily available, it has the effect of being able to divert the tank to water supply after evacuation.
In addition, a predetermined number of empty PET bottles and hollow balls can be housed in the cage 11, and this can be adopted as the floating body portion 30.

[Example of connecting multiple life raft]
A large life raft can be configured by connecting a plurality of life raft 1s of the present invention (Fig. 5).
A plurality of life raft 1s are arranged in front, back, left and right, and connected to each other.
The means for connecting the life raft 1 is not limited, but for example, the meshes of the cages 11 can be fastened with ropes or wires to be connected. In this case, since no special connecting member is required, it can be easily connected even from a drifting ship.
By erecting the support main body 41 of the support portion 40 and hanging a rope between the mooring tools 42, a fall prevention fence can be stretched around.
By connecting the life raft 1, it is possible to widen the deck, rescue a large number of victims at once, and transport large equipment.

1 Life-saving raft 10 Main body 11 Cage 12 Reinforcing material 20 Top plate 21 Top plate main body 22 Edge material 30 Floating body 30a Tank 40 Strut 41 Strut body 42 Mooring tool 50 Fastener

Claims (9)

The main body, which has a box-like shape with an open top surface,
A floating body portion arranged inside the main body portion and
A top plate portion that covers the upper surface of the main body portion is provided.
The main body is made of a wire mesh cage,
By using the top plate as a table surface or a seat surface, it can be used as an outdoor table or an outdoor bench in normal times.
Lifesaving stake. The life-saving raft according to claim 1, wherein the floating body portion includes a hexahedron of styrofoam. The life-saving raft according to claim 1 or 2, wherein the floating body portion includes a plurality of synthetic resin tanks. The life-saving raft according to claim 1 or 2, wherein the floating body portion is fixed to the lower surface of the top plate portion. The strut portion is provided, and one end of the strut portion is pivotally supported on the top plate portion and the other end is raised, so that the strut portion is changed from a state of being tilted on the top plate portion to a state of being upright on the top plate portion. The life-saving raft according to any one of claims 1 to 4, wherein the posture can be changed. The life-saving raft according to any one of claims 1 to 5, wherein the cage is made of a welded wire mesh. The life-saving raft according to any one of claims 1 to 6, wherein the top plate includes a top plate main body formed by arranging a plurality of thinned wood in the width direction. The life-saving raft according to any one of claims 1 to 7, wherein the main body portion includes reinforcing members covering the four corners of the adjacent side surfaces. A plurality of life raft according to any one of claims 1 to 8 are connected to each other.
Large life raft.

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