JP2002187594A - Life vest - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a life vest capable of favorably exhibiting a lifesaving function by generating necessary buoyancy at the moment of falling into water, without disturbing work in an ordinary condition. SOLUTION: This life vest is provided with a gas cylinder 6 contained in a case 4 attached to a human body mounting belt 2, and with an air bag 8 attached to the case 4. Between the gas feed port of the air bag 8 and the gas cylinder 6, a gas introducing start control means 10 are interposed. A connecting member 16 for connecting protruding portions 14, 15 forming the notch 12 of the air bag 8 is provided. A pipe 18 for blowing aspirated air into the air bag 8 is mounted on the protruding portion 14. The control means 10 detects the immersion of the vest into water to start gas introducing from the gas cylinder 6 to the air bag 8. A case body 4a contains the folded air bag 8, a case lid 4b is engaged with a body 4a, and the engagement with the body 4a is released by pressure, when the air bag 8 is expanded by introducing gas, thereby opening an opening of the body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a life-saving device, and more particularly to a life-saving device for preventing a victim from being submerged when worn on a human body.

[0002]

2. Description of the Related Art
One of the life-saving equipment mounted on a ship is a life vest. This is obtained by covering a kapok as a buoyancy material with a cotton cloth or the like and attaching a string for wearing. In recent years, a life-saving device worn like a top coat has been used.

[0003] In some cases, when a crew member of a ship performs an operation that may cause a danger of falling into the sea, it may be necessary to wear a lifesaving device. Even when it is not obligatory, it is preferable to wear a lifesaving device when performing an operation with a risk of water falling.

[0004] However, the conventional life-saving rescuer has a buoyancy generating member attached to the front and rear portions of the human torso, and also around the neck, so that the upper body is restrained, which hinders the execution of required work. It becomes something. For this reason, it is often the case that the life-saving device is neglected to give priority to the work efficiency, and in that case, it is difficult to rescue when the water falls.

As described above, the conventional lifesaving device can generate the required buoyancy in water even in a normal state in which the worker has not yet fallen in water (in this state, no lifesaving function is required). Because of this configuration, a bulky member is fixed around the waist, and as a result, the worker tends to avoid wearing it.

[0006] Some wearable life-saving devices generate buoyancy by expanding after falling, but they bind the girth in a very normal state, so that workers tend to avoid wearing them. It is no different.

[0007] Therefore, the present invention provides an improved life-saving device that does not hinder the work in a normal state and that can generate a required buoyancy when the water falls and can exert a good life-saving function. It is intended for.

[0008]

According to the present invention, a belt for wearing on a human body, a case attached to the belt, and a pressurized gas housed in the case are provided to achieve the above object. A source and an airbag attached directly or indirectly to the case, the airbag having a gas inlet for introducing a pressurized gas from the pressurized gas source. The pressurized gas introduction start control means is interposed between the gas inlet and the pressurized gas generation source, and the airbag is directly or indirectly attached to the case. And a connecting member for connecting the pair of protrusions to each other, the pair of protrusions being formed on a side opposite to the portion where the protrusions are formed so as to form a notch. Lifesaving equipment, provided .

Here, the connecting member has one end attached to one of the pair of projecting portions, and the other end detachably attached to the other of the pair of projecting portions. You can be. In addition, the connection member,
It may be formed integrally with the airbag.

Further, according to the present invention, a belt to be worn on a human body, a case attached to the belt, a pressurized gas source housed in the case, An airbag having a gas introduction port for introducing a pressurized gas from the pressurized gas generation source; and attaching means for directly or indirectly attaching the airbag to the case and / or the belt. A pressurized gas introduction start control means housed in the case is interposed between the gas introduction port of the airbag and the pressurized gas generation source, and the airbag is inserted through a human head. A life-saving device characterized by having an opening is provided.

Here, the attaching means comprises a belt-like member having a first portion fixed to the airbag and a second portion fixed to the case and the belt from the inside of the case. Things. Further, in the band-shaped member, a portion including the first portion is formed in an annular shape, and a portion of the annular portion other than the first portion forms a locking loop portion. It can be.

In one embodiment of the present invention as described above,
The pressurized gas introduction start control means detects the immersion in water and starts the introduction of the pressurized gas from the pressurized gas generation source to the gas introduction port of the airbag.
In one embodiment of the present invention, the pressurized gas introduction start control means includes a manual operation member, and by operating the manual operation member, the pressurized gas generation source is also supplied to the gas introduction port of the airbag. Of the pressurized gas can be started.

In one embodiment of the present invention, the source of pressurized gas is a gas cylinder. In one aspect of the present invention, the airbag is provided with a gas injection pipe with a check valve for blowing gas into the airbag.

In one aspect of the present invention, the case has a case body attached to the belt and containing the folded airbag, and a case lid attached to the case body. The case lid is locked to the case main body so as to close an opening of the case main body, and the case lid is inflated by the introduction of the pressurized gas into the folded airbag. The locking of the case body is released by the pressure at that time, and the opening of the case body is opened.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a partially cut-away schematic front view showing an expanded state of an airbag of an embodiment of a lifesaving device according to the present invention, and FIG. 2 is a longitudinal sectional view at the center thereof. FIG. 3 is a schematic side view showing the folded state of the airbag of the present embodiment,
FIG. 4 is a perspective view thereof.

In this embodiment, a case 4 is attached to a belt 2 worn around the waist of a human body. The case 4 has a case main body 4a and a case lid 4b. The case main body 4a has a loop portion 4a-1 attached to the belt 2 by inserting the belt 2, and has a main body side locking member 4a-2 for locking the case lid 4b. Has a small water passage hole 4a-3. The case body 4a may be fixed to the belt by sewing or the like. The case lid 4b is
Lid-side locking member 4b locked with main-body-side locking member 4a-2
-1 and can be locked to the case main body 4a so as to close the opening of the case main body 4a. The size of the case 4 is, for example, about 10 cm in height and about 20 c in width.
m, about 5 cm thick.

The case body 4a houses a pressurized gas generating source 6 such as a carbon dioxide gas cylinder.
Is attached with an airbag 8. Airbag 8
Has a gas introduction port for introducing a pressurized gas from the pressurized gas generation source 6, and a pressurized gas introduction start control means 10 is interposed between the gas introduction port and the pressurized gas generation source 6. are doing.
As shown in FIG. 3, the folded airbag 8 can be accommodated in the case body 4a. The attachment of the airbag 8 to the case body 4a may be directly performed by sewing or the like to the case body 4a, or the pressurized gas generation source 6 or the pressurized gas introduction to the case body 4a may be started. The control means 10 may be mounted in advance and then indirectly mounted to the case body 4a by mounting the control means 10.

The airbag 8 is attached to the case 4 (ie, the lower part in FIGS. 1 and 2).
And a pair of protrusions 1 protruding to form a notch 12 on the opposite side (ie, the upper side in FIGS. 1 and 2).
It has a shape having 4,15. A connection member 16 is provided for connecting the pair of protrusions 14 and 15 to each other. One end of the connection member 16 is attached to the protrusion 14, and the other end is detachably attached to the protrusion 15 via an engagement hook 17.

A gas injection pipe 18 with a check valve for blowing gas such as air into the airbag 8 is attached to the protrusion 14 of the airbag 8. The blowing port of the gas blowing pipe 18 is located near the notch 12.

The pressurized gas introduction start control means 10 automatically detects the immersion in water and automatically immediately
Then, the introduction of the pressurized gas into the gas inlet of the airbag 8 is started, and a known means can be used as the control means 10. In case the automatic pressurized gas introduction start function is malfunctioning, the pressurized gas introduction start control means 10 controls the manual operation member 2
0 is provided. The introduction of the pressurized gas from the pressurized gas generation source 6 to the gas inlet of the airbag 8 can also be started by performing the manual operation of pulling the manual operation member 20.

Next, the operation of the life-saving device of this embodiment will be described with reference to FIG.
This will be described with reference to FIGS. The airbag 8 has a shape as shown in FIGS. 1 to 3 when the pressurized gas (including the air blown from the gas blowing pipe 18) is not introduced, and is shown in FIG. It is folded and stored in the case 4.

FIG. 6 shows a normal state in which the worker H wearing the lifesaving device has not fallen water. That is, the worker H winds the belt 2 around the body and wears it, and positions the case 4 on the abdomen. At this time, the worker H is restrained by wearing the belt 2, but the burden is light and the chest, the back, the shoulder, and the neck are substantially not restrained at all, so that there is no problem in performing a desired work. .

FIG. 7 shows a state in which the worker H wearing the life saver has dropped. At this time, first, water enters into the case 4 from the small water passage holes 4a-3 of the case 4, and the pressurized gas introduction start control means 10 which detects the water enters the case 4 from the pressurized gas generation source 6 to the air bag 8 The introduction of the pressurized gas into the gas inlet is started. As a result, the airbag 8 is filled with the pressurized gas, the airbag 8 is inflated, and the case lid 4b is released from being locked to the case main body 4a by the pressure at the time of the inflation (that is, the main body side locking). Member 4a-2 and lid side locking member 4
The opening of the case body 4a is opened (the lock with the b-1 is released). As a result, the airbag has a shape as shown in FIG. 5, and the inflated airbag 8 is located on the front side of the body of the worker.

As shown in FIG. 7, the worker H puts the head forward from the notch 12 formed by the airbag 8 and leans the back head against the connecting member 16. Due to the buoyancy of the airbag 8, the worker H can maintain a head above the water surface in a supine position as shown and wait for rescue in a stable state.

The connection member 16 may connect the two airbag protrusions 14 and 15 in advance, or may disengage the engagement by the engagement hooks 17 and house it in the case 4 before inflation. Alternatively, the worker H who has obtained the buoyancy by the airbag 8 after the inflation of the airbag may perform the engagement operation by the engagement hook 17 by itself.

Also, by any chance, the pressurized gas introduction start control means 1
If the operation of starting the pressurized gas introduction based on the automatic water detection by 0 is malfunctioning, the worker H wearing the lifesaving device may start the pressurized gas introduction by pulling the manual operation member 20. it can. Further, when the amount of the pressurized gas introduced from the pressurized gas generation source 6 to the airbag 8 is insufficient, or when the gas leaks from the airbag 8 over time, the volume of the airbag 8 is reduced. When there is a possibility that the generated buoyancy will decrease, the worker H injects his own exhalation into the airbag 8 from the air blowing pipe 18 and
Can be expanded.

When rescuing the worker H who has fallen, the mooring hook fixed to the tip of the rescue rope dropped from the rescue boat is engaged with the connecting member 16 so that the worker H can be easily drawn to the rescue boat. Raising becomes possible.

FIG. 8 is a schematic partial front view showing still another embodiment of the lifesaving device according to the present invention. In this embodiment,
The shape of the airbag 8 is different from that of the embodiment of FIGS. A connection member 16 is integrally formed in the airbag 8. That is, the protrusions 14, 1 of the airbag 8
The connecting members 16 for connecting the five members are also integrally formed of the same material, for example, rubber when the airbag 8 is formed, so that the connecting members 16 are formed. still. In this case, if the connecting member 16 is made hollow, the pressurized gas can be introduced into the connecting member 16 as well. Even when the airbag 8 and the connecting member 16 are integrated as described above, the airbag 8 is also provided with the notches 12 and 1 according to the present invention.
It has a pair of protrusions 14,15. The notch 12 is used as an insertion opening for the human head.

FIG. 9 is a partially cutaway schematic front view showing another embodiment of the lifesaving device according to the present invention, and FIG. 10 is a partial longitudinal sectional view thereof.

In this embodiment, similarly to the embodiment described with reference to FIGS. 1 to 8, the belt 2, the case 4, the pressurized gas generation source 6, the airbag 8, and the pressurized gas introduction start control means 1
0 is provided.

In the present embodiment, the airbag 8 has a horseshoe shape, and has a gas inlet at one end.
The gas inlet is connected to the pressurized gas generation source 6 via the pressurized gas introduction start control means 10. Airbag 8
Has an insertion opening 32 for the human head at the center of the horseshoe shape. That is, the insertion opening 32 has the same function as the notch 12 of the above embodiment.

Further, in the present embodiment, the belt-shaped member 3 as an attaching means for attaching the airbag 8 to the case 4 and / or the belt 2 directly or indirectly.
0 is provided. The belt-shaped member 30 is formed in an annular shape, and two opposing portions (left and right portions) of the annular portion are fixed to the airbag 8 by sewing or the like. The belt-shaped member 30 includes a fixing portion 30a attached to a lower portion of an annular portion, and the fixing portion is fixed to the case and the belt 2 from the inside of the case 4 by sewing or the like. And the belt-shaped member 30
The upper part of the annular portion is not fixed to the airbag 8 and forms a locking loop portion 30b.

The belt-like member 30 is made of, for example, synthetic fiber and has a high tensile strength. Therefore, the airbag 8
Can be firmly attached to the belt 2, and furthermore, the mooring hook fixed to the tip of the rescue rope dropped from the rescue boat is engaged with the locking loop portion 30b, thereby damaging the airbag 8. Therefore, the force from the mooring hook can be reliably transmitted to the human body without any trouble, and it is possible to easily and surely draw and pull up the rescue boat.

Other configurations and operations of this embodiment are the same as those of the above-described embodiment, including the provision of the gas blow-in pipe 18 with the check valve and the manual operation member 20.

In this embodiment, since the belt-like member 30 is used for attaching the airbag 8 to the case 4 and the belt 2, the attachment strength of the case 4 and / or the belt 2 of the airbag 8 itself is not so large. Without reinforcement, the airbag 8 can be held firmly against the human body even under actual use conditions.

[0037]

As described above, according to the lifesaving device of the present invention,
In the normal state, the work does not hinder the work, and when the water falls, the required buoyancy is generated, so that the life-saving function can be exhibited well.

[Brief description of the drawings]

FIG. 1 is a partially cutaway schematic front view showing an airbag deployed state of an embodiment of a lifesaving device according to the present invention.

FIG. 2 is a central longitudinal sectional view of FIG.

FIG. 3 is a schematic side view showing an airbag folded state of one embodiment of a lifesaving device according to the present invention.

FIG. 4 is a perspective view of FIG. 3;

FIG. 5 is a schematic perspective view showing an airbag inflated state of one embodiment of a lifesaving device according to the present invention.

FIG. 6 is a schematic view for explaining an operation of the lifesaving device according to one embodiment of the present invention.

FIG. 7 is a schematic diagram for explaining the operation of the embodiment of the lifesaving device according to the present invention.

FIG. 8 is a schematic partial front view showing still another embodiment of the lifesaving device according to the present invention.

FIG. 9 is a partially cut-away schematic front view showing another embodiment of the lifesaving device according to the present invention.

FIG. 10 is a partial longitudinal sectional view of FIG. 9;

[Explanation of symbols]

 Reference Signs List 2 Belt 4 Case 4a Case body 4b Case lid 4a-1 Loop 4a-2 Main body side locking member 4a-3 Small water passage 6 Pressurized gas generation source 8 Airbag 10 Pressurized gas introduction start control means 12 Notch 14, 15 Projection part 16 Connection member 17 Engagement hook 18 Gas blowing pipe with check valve 20 Manual operation member 30 Band member 30a Fixing part 30b Locking loop part 32 Human head insertion opening H Worker

Claims (11)

[Claims] 1. A belt for wearing on a human body, a case attached to the belt, a source of pressurized gas housed in the case, and attached directly or indirectly to the case. An airbag, wherein the airbag has a gas inlet for introducing a pressurized gas from the pressurized gas generation source, and is provided between the gas introduction port and the pressurized gas generation source. A pressurized gas introduction start control means is interposed therebetween, and the airbag has a pair of projections formed to form cutouts on a side opposite to a part directly or indirectly attached to the case. A life-saving device characterized by having a shape having a plurality of protrusions, and a connecting member for connecting the pair of protrusions is provided. 2. The connecting member has one end attached to one of the pair of protrusions and the other end detachable from the other of the pair of protrusions. The lifesaving device according to claim 1, wherein: 3. The lifesaving device according to claim 1, wherein the connection member is formed integrally with the airbag. 4. A belt to be worn on a human body, a case attached to the belt, a pressurized gas generation source housed in the case, and a gas for introducing a pressurized gas from the pressurized gas generation source. An airbag having an inlet, and mounting means for directly or indirectly mounting the airbag to the case and / or the belt; and a gas inlet of the airbag and the pressurization. A lifesaving device characterized in that pressurized gas introduction start control means accommodated in the case is interposed between the gas generation source and the airbag having an insertion opening for a human head. 5. The mounting means comprises a band-shaped member having a first portion fixed to the airbag and a second portion fixed to the case and the belt from the inside of the case. The lifesaving device according to claim 4, characterized in that: 6. The belt-like member has a portion including the first portion formed in an annular shape, and a portion of the annular portion other than the first portion forms a locking loop portion. The lifesaving device according to claim 5, wherein: 7. The pressurized gas introduction start control means detects the immersion in water and starts the introduction of the pressurized gas from the pressurized gas generation source to the gas inlet of the airbag. The lifesaving device according to any one of claims 1 to 6, wherein the lifesaving device is provided. 8. The pressurized gas introduction start control means includes a manual operation member, and by operating the manual operation member, the pressure from the pressurized gas generation source to the gas introduction port of the airbag can be increased. The life-saving device according to claim 7, wherein the life-saving device can start the introduction of the pressurized gas. 9. The lifesaving device according to claim 1, wherein the pressurized gas generation source is a gas cylinder. 10. The airbag according to claim 1, wherein the airbag is provided with a gas injection pipe with a check valve for blowing gas into the airbag. Life preserver. 11. The case includes a case body attached to the belt and accommodating the folded airbag, and a case lid attached to the case body, wherein the case lid is the case. The case lid is locked to the case body so as to close the opening of the body, and the case lid is moved to the case body by pressure when the airbag is inflated by introduction of the pressurized gas into the folded airbag. The lifesaving device according to any one of claims 1 to 10, wherein the lock of the case is released to open the opening of the case body.