JP2023116375A - Disaster prevention-type backpack - Google Patents

Abstract

To provide a waterproof backpack preventing both arms of a user from slipping off from shoulder belts in water and capable of reliably functioning as a life jacket.SOLUTION: A disaster prevention-type backpack 1 includes a bag-like backpack body 2, a pair of left/right shoulder belts 3 connected to the upper/lower parts of a back face 2B of the backpack body 2, and a detachable hip belt 4 connected to the lower left/right parts of the back face 2B of the backpack body 2. The disaster prevention-type backpack is configured to store floating bodies 16 and 17 at least inside a front face 2A and the back face 2B of the backpack body 2, and includes a detachable chest belt 10 for connecting intermediate height portions of the pair of left/right shoulders 3, and a detachable restraining belt 13 for connecting the intermediate height portions of the pair of left/right shoulder belts 3 to the backpack body 2 respectively.SELECTED DRAWING: Figure 4

Description

The present invention provides a disaster prevention rucksack (hereinafter simply referred to as "disaster prevention rucksack") that can function as a life jacket (hereinafter also referred to as a life jacket or life buoy) in the event of a flood such as a tsunami or a water accident. Regarding.

Rucksacks are usually carried on the back and used to carry luggage, but there are now proposals to use them as life jackets in the event of a flood such as a tsunami or a water accident. It has been done by

For example, in Patent Document 1, a buoyant body is provided in at least one of the back surface, bottom surface, and peripheral surface of a storage unit (rucksack body), and a hole that communicates the outside and the inside of the storage unit is provided. A rucksack having a communicating portion has been proposed.

Patent document 2 proposes an amphibious waterproof rucksack that floats on water in the event of a natural disaster or water accident. Specifically, this waterproof rucksack is provided with PET bottle fixing bands on the top of the pockets on both sides of the rucksack body, and fixing belt loop bands on the top and bottom of the backpack body (back part) on the left and right sides of the rucksack body. A fixing belt is detachably attached to a fixing belt loop band, drainage holes are formed at both ends of the bottom of the main body, and a foamed resin plate and a PET bottle are placed inside the rucksack main body.

Furthermore, Patent Document 3 proposes a rucksack that can be used as a life jacket in an emergency and prevents objects stored in the main body of the rucksack from getting wet in such an emergency. Specifically, this rucksack is constructed by providing a bag-shaped buoyant material that expands when gas is injected into the shoulder straps (shoulder belts) and rucksack body (storage bag body). It is used by removing the string and the lower part of the rucksack body.

WO2018/154715 JP 2013-031615 A Japanese Patent Application Laid-Open No. 2021-160592

However, in the backpacks proposed in Patent Documents 1 and 2, when the user enters water while carrying the backpack on his or her back, water enters the body of the backpack, and the items stored in the body of the backpack get wet. There is a problem that

On the other hand, in the rucksack proposed in Patent Document 3, the items stored in the rucksack main body (storage bag main body) do not get wet with water, but the following problems occur.

That is, since there is no means for restricting the expansion (diameter expansion) of the pair of left and right shoulder straps (shoulder belts) that the user wears on the shoulders, the user can put both arms through the shoulder belts of the rucksack main body and use the rucksack. If you hold the main body with both arms and fall into the water, the main body of the rucksack will float, but the user's arms will come off the shoulder belts of the main body of the rucksack, so the user's body will sink in the water. A rucksack cannot function as a life jacket. Such a problem may also occur in the waterproof rucksack proposed in Patent Document 2.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and its object is to provide a waterproof rucksack that can reliably function as a life jacket without allowing the user's arms to come off from the shoulder belts underwater. to provide.

In order to achieve the above object, the invention according to claim 1 provides a bag-like rucksack main body, a pair of left and right shoulder belts connected to the upper and lower sides of the back surface of the rucksack main body, and a back surface of the rucksack main body. a detachable waist belt connected to the left and right of the lower part of the rucksack body, and a buoyancy body accommodated in at least the front part and the back part of the rucksack body,
The lengthwise intermediate portions of the pair of left and right shoulder belts and the heightwise intermediate portions on the left and right sides of the rucksack body are formed so that they can be detachably connected by restraint belts on the left side and the right side, respectively. characterized by
In the invention according to claim 2, the restraint belt is formed by a fixed belt provided on the rucksack main body and a connecting belt provided on the shoulder belt, or a connecting belt provided on the rucksack main body and the binding belt provided on the shoulder belt. It can be formed by a fixed belt provided on the shoulder belt. At least one of the connecting belt and the fixing belt has a length adjusting function.

The invention according to claim 3 is characterized in that, in the invention according to claim 1, at least the rucksack body is made of waterproof fabric.

The invention according to claim 4 is characterized in that, in the invention according to claim 2, the opening of the rucksack body is opened and closed with a waterproof fastener.

The invention according to claim 5 is characterized in that, in the invention according to any one of claims 1 to 3, a separate handbag is detachably attached to the front portion of the rucksack body.

According to the first aspect of the invention, since the intermediate portion of the pair of shoulder belts of the rucksack body is tightened by the restraint belt, the user can hold the rucksack body in front of his/her chest with both arms. When the shoulder belt is passed through and the user holds the rucksack body with both arms and falls into the water, both arms of the user will not come off from the shoulder belts of the rucksack body. Therefore, the user's body, especially the upper half of the body, is supported by the floating rucksack body and does not sink in the water, and the disaster prevention rucksack reliably functions as a life jacket.

According to the invention of claim 3, at least the rucksack body is made of waterproof fabric, and according to the invention of claim 4, the opening of the rucksack body is opened and closed with a waterproof fastener, Intrusion of water into the main body of the rucksack is prevented, thereby preventing the occurrence of a problem that the objects stored in the main body of the rucksack get wet with water.

According to the fifth aspect of the invention, the handbag can be detached from the rucksack body and used as a single pouch or the like.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a rear side perspective view showing a part of a disaster prevention rucksack according to the present invention; BRIEF DESCRIPTION OF THE DRAWINGS The front view which fracture|ruptures and shows a part of disaster prevention type rucksack which concerns on this invention. FIG. 2 is a rear view of the disaster prevention rucksack according to the present invention; FIG. 2 is a side view of a state in which the disaster-prevention rucksack according to the present invention is used as a life jacket. FIG. 2 is a side view showing a mounted state of the disaster prevention type rucksack according to the present invention;

An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the rear side of the leading female with a part of the disaster prevention type rucksack according to the present invention cut away, FIG. FIG. 4 is a rear view of the rucksack, and FIG. 4 is a side view showing how the disaster prevention rucksack is used when a flood occurs.

As shown in FIG. 1, a disaster-prevention rucksack 1 according to the present embodiment includes a bag-like rucksack main body 2 and a pair of left and right shoulder belts 3 connected to the upper and lower sides of the back surface 2B of the rucksack main body 2. and detachable waist belts 4 connected to the lower left and right sides of the back part 2B of the rucksack body 2. - 特許庁

The rucksack main body 2 comprises a front portion 2A, a back portion 2B, a top portion 2C, a bottom portion 2D, and left and right side portions 2E, and the whole is sewn with a waterproof fabric such as nylon or polyester. By doing so, it is molded into a bag shape that is substantially the same as the shape of a general rucksack. Although not shown, the surface of the back portion 2B is covered with a mesh material.

Furthermore, as shown in FIG. 2, an independent handbag 5 that is separate from the rucksack body 2 is detachably attached to the lower portion of the front portion 2A of the rucksack body 2. As shown in FIG. In this embodiment, the handbag 5 is detachably attached to the rucksack body 2 by a plurality of hook buttons (not shown). can be used.

If the handbag 5 attached to the lower portion of the front portion 2A of the rucksack body 2 is strongly pulled forward in FIG. can be easily removed from the rucksack body 2 and carried alone as a pouch or the like. A handle 6 is attached to the upper end of the handbag 5 . Although not shown, the handbag 5 is formed with an opening for putting things in and out, and this opening is opened and closed with a waterproof fastener.

On the other hand, the rucksack body 2 is formed with an opening (not shown) that can be opened and closed by slit-shaped cuts from the upper surface 2C to the left and right side surfaces 2E. Objects can be taken in and out of the sack body 2. - 特許庁This opening is provided with a waterproof fastener 7, which opens and closes the opening.

By the way, in this embodiment, as shown in FIG. The buoyant body 17 is also housed inside the . These buoyant bodies 16 and 17 are flat plate-like lightweight members each having a shape along the outer shape of the front portion 2A and the rear portion 2B. Here, each of the buoyant bodies 16 and 17 has a specific gravity much smaller than that of water (specific gravity=1) and floats on water to generate a required buoyancy. , polyethylene, polyvinyl chloride, and other lightweight foamed resins.

As shown in FIGS. 1, 4, and 5, side pockets 8 (only one side is shown in FIGS. 1, 4, and 5) are provided at the lower portions of both side surfaces 2E of the rucksack body 2, respectively. In these side pockets 8, for example, a PET bottle (not shown) filled with drinking water or the like can be inserted and stored from above. Although not shown, the side pocket 8 may have a drainage hole or a mesh bottom to provide a drainage function.

Furthermore, as shown in FIGS. 1 and 3, on the back side of the rucksack body 2, the upper end is fixed to the upper end of the back portion 2B of the rucksack body 2 by sewing, and the lower end is fixed to the lower end side portion of the back portion 2B. A pair of left and right shoulder belts 3 are fixed by sewing to the body. Here, each of the left and right shoulder belts 3 is composed of a wide cushion material 3A and a belt 3B sewn on the surface of each cushion material 3A at the center in the width direction. The length of the portions of the left and right belts 3B extending downward from the cushion material 3A can be freely adjusted by the buckles 9. As shown in FIG.

In addition, as shown in FIG. 3, a chest belt 10 for connecting the shoulder belts 3 to each other and keeping the distance between the shoulder belts 3 constant is detachable at the middle height position of the left and right shoulder belts 3. is provided. Here, the chest belt 10 is composed of chest belt pieces 10A and 10B each having one end fixed to the belt 3B of the shoulder belt 3, and the other end (free end) of one (left) chest belt piece 10A. is attached with a male snap fit 11a, and a female snap fit 11b is attached to the other end (free end) of the other (right) belt piece 10B. Therefore, the left and right chest belt pieces 10A and 10B can be easily connected or disconnected by the snap fit 11 with one touch. Here, the snap fit 11 is composed of a male mold 11a and a female mold 11b made of hard resin or the like. The connection can be easily released by pressing the upper and lower sides of the male mold 11a. A hook 12 for hanging the disaster prevention type rucksack 1 is sewn and attached to the upper end of the back portion 2B of the rucksack body 2 .

Further, left and right connecting belt pieces 13A, which become restraining belts 13, are attached at positions slightly below the locations where the left and right chest belt pieces 10A and 10B of the left and right shoulder belts 3 are attached. A female die 14b of the snap fit 14 is attached to each end (free end) of the connecting belt piece 13A.
On the other hand, as shown in FIG. 2, left and right fixed belt pieces 13B that become the restraint belt 13 are attached at intermediate height positions of the back surface portion 2B on the left and right side surfaces of the rucksack body 2, respectively. Each male mold 14a of the snap fit 14 is attached to the end (free end) of the belt piece 13B. The fixed belt piece 13B, which is not used as the restraint belt 13, is snap-fitted to the snap-fit female mold 13C of the locking belt piece provided on the side edge of the back side 2B of the rucksack body 2. The male mold 14a is engaged and held.

As shown in FIGS. 4 and 5, when the waterproof rucksack 1 according to the present invention is used as a life jacket in the event of a flood or the like, the left and right connecting belt pieces 13A and the fixed belt pieces 13B are snap-fitted together. They are connected to each other to constitute a restraint belt 13 and have a function of preventing both arms A of the user M from slipping out of the left and right shoulder belts 3 . Here, each of the left and right restraint belts 13 inserts the male mold 14a of the snap fit 14 attached to the end of the fixed belt piece 13B into the female mold 14b of the snap fit 14 attached to the end of the connecting belt piece 13A. The two belt pieces 13A and 13B are connected with each other. In the above, at least one of the connecting belt piece 13A and the fixed belt piece 13B has a length adjusting function.

Further, as shown in FIG. 1, waist belts 4 are detachably attached to the left and right of the lower end portion of the back portion 2B of the rucksack body 2. As shown in FIG. Here, the waist belt 4 is composed of waist belt pieces 4A and 4B each having one end attached to the rucksack body 2, and the other end (free end) of one (left) waist belt piece 4A is snapped. A male type 15a of the fit 15 is attached, and a female type 15b of the snap fit 15 is attached to the other end (free end) of the other (right) waist belt piece 4B.

Next, the manner of use of the waterproof backpack 1 of the present invention constructed as described above will be described. Normally, the user carries the back part 2B of the rucksack body 2 on his back, puts both arms between the left and right shoulder belts 3, and puts the shoulder belts 3 on both shoulders to carry luggage. However, in the event of a flood, it is used as a rucksack with a life jacket function, that is, a disaster prevention rucksack, as described below.

That is, in the event of a flood or the like, the user M wears the disaster prevention backpack of the present invention according to the following wearing procedures 1 to 5.
1. A chest belt 10 is constructed by connecting snap fits 11A and 11B.
2. The left and right restraint belts 13 are configured by connecting snap fits 14A and 14B.
3. The head of the user M is passed through the space formed by the chest belt 10, the upper portions of the left and right shoulder belts 3, and the back portion 2B of the rucksack body 2.
4. At the same time as 3, both arms A are passed through the space formed by the left and right restraint belts 13, the left and right shoulder belts 3, and the upper half edge of the back portion 2B, and the rucksack body 2 is placed on the chest of the user M. Make a state to hold.
5. A waist belt 4 is constructed by connecting snap fits 15A and 15B.

When the user M wears the backpack according to the above procedure, the left and right shoulder belts 3, the chest belt 10, the restraint belt 13, and the waist belt 4 secure the rucksack main body 2 to the user M's chest with both arms. will be

When the user M falls into the water while wearing the above, the rucksack body 2 is generated by the buoyancy bodies 16 and 17 (see FIGS. 1 and 2) housed in the front portion 2A and the back portion 2B, respectively. Float in water by buoyancy. At this time, the binding belt 13 and the waist belt 4 prevent both arms A of the user M from slipping out of the shoulder belts 3 of the rucksack main body 2, and the chest belt 10 and the waist belt 4 tighten the left and right shoulder belts 3 to secure the backpack. Since the upper part and the lower part of the sack body 2 do not separate from the user M, the upper half of the body of the user M is firmly supported by the rucksack body 2 floating in the water, and the user M does not sink in the water. Therefore, the disaster prevention rucksack 1 reliably functions as a life jacket or life jacket.

In the disaster prevention rucksack 1 according to this embodiment, the rucksack body 2 is made of waterproof fabric, and the opening of the rucksack body 2 is opened and closed with the waterproof fastener 7. Intrusion of water into the rucksack body 2 is prevented, and the problem that the items stored in the rucksack body 2 get wet with water is prevented. The rucksack main body 2 also functions as a life buoy due to its waterproof/waterproof function.

In addition, in the disaster prevention type rucksack 1 according to the present embodiment, the separate handbag 5 is detachably attached to the rucksack main body 2, so that the handbag 5 can be removed from the rucksack main body 2 as necessary. can be used as a single pouch or the like.

The application of the present invention is not limited to the embodiments described above, and various modifications are possible within the scope of the technical ideas described in the claims of the utility model registration and the specification and drawings. Of course there is.

1 disaster prevention type rucksack 2 rucksack main body 2A front part of rucksack main body 2B back part of rucksack main body 3 left and right shoulder belts 4 waist belt 5 handbag 7 waterproof fastener 10 chest belt 13 restraint belt 13A connecting belt piece 13B fixing belt Piece 16, 17 Buoyant body M User A User's arm

Claims (6)

A bag-like rucksack body,
a pair of left and right shoulder belts connected to the upper and lower sides of the back surface of the rucksack body;
a detachable waist belt connected to the lower left and right sides of the back portion of the rucksack body;
with at least
A disaster prevention rucksack configured by accommodating a buoyant body in at least the front and back parts of the rucksack body,
The lengthwise intermediate portions of the pair of left and right shoulder belts and the heightwise intermediate portions on the left and right sides of the rucksack body are formed so that they can be detachably connected by restraint belts on the left side and the right side, respectively. A disaster prevention rucksack characterized by The restraint belt is formed by a fixed belt provided on the rucksack main body and a connecting belt provided on the shoulder belt, or formed by a connecting belt provided on the rucksack main body and a fixed belt provided on the shoulder belt. The disaster prevention type rucksack of Claim 1 formed. 3. A disaster prevention rucksack according to claim 2, wherein at least one of said fixed belt and said connecting belt has a length adjusting function. The disaster prevention rucksack according to any one of claims 1 to 3, wherein at least the rucksack main body is made of waterproof fabric. 5. The disaster prevention rucksack according to any one of claims 1 to 4, wherein the opening of the rucksack body is opened and closed with a waterproof fastener. A disaster prevention rucksack according to any one of claims 1 to 5, wherein a separate handbag is detachably attached to the front portion of the rucksack body.

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