JP2002347692A - Boat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a boat capable of easily transporting a hull, being easily assembled, and improving the performance such as the stability, the steering performance and the translating performance. SOLUTION: At least one of a bottom wall 22, a side wall 23 and a deck wall 24 forming the hull 21 is composed of a fluid pressed in plate in which the fluid is pressed in. The outside of the hull 21 is coated with a cover 25. The fluid pressed in plate is formed by stretching non-elastic yarn 30 between a pair of skin plates 27.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a boat, such as a canoe, which is used by assembling a plurality of walls constituting a hull.

[0002]

2. Description of the Related Art In a boat of this type, a bottom wall, both side walls, and a deck wall of a hull are composed of a synthetic resin plate or a natural wooden plate, and these walls are foldably connected via hinges or the like. It had been. Then, after transporting the hull to a seaside or the like in an automobile or the like, the hull is assembled into a predetermined shape and used.

[0003]

However, in this conventional boat, since each wall of the hull is made of a synthetic resin board or a natural wood board, the entire hull becomes heavy, and the transport and assembly thereof are difficult. There was a problem that it was troublesome and time-consuming.

[0004] In order to cope with such a problem, there has been proposed a boat in which each wall of a hull is formed of an air-filled bag in which air is filled.
In the case of such a configuration, the hull becomes light in weight and can be easily transported and assembled.

However, when each wall of the hull is formed of an air-filled bag, it is difficult to maintain a flat state when the inside is filled with air because the wall expands in a circular cross section. For this reason, an edge as a boat cannot be formed on each wall, for example, edges on both sides of the bottom wall, and there has been a problem that the performance of the boat, such as stability, steering performance, and straight traveling performance, is significantly reduced.
Therefore, it has been difficult to apply the present invention to a boat such as a canoe that requires performance such as stability, steerability, and straight traveling.

The present invention has been made by paying attention to such problems existing in the conventional technology. An object of the present invention is to provide a boat capable of easily and quickly transporting and assembling a hull and improving performance such as stability, steerability, and straightness.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, at least a part of a plurality of walls constituting a hull is formed by a fluid press-in plate into which a fluid is press-fitted. It is characterized by having comprised.

Therefore, according to the first aspect of the present invention, the wall constituting the hull is reduced in weight, and the hull can be easily transported and assembled in a short time.
Further, since the wall has a plate shape, an edge as a boat can be formed on the wall, and performance such as stability, steering performance, and straight traveling performance can be improved.

According to a second aspect of the present invention, in the first aspect of the present invention, the fluid press-fit plate is formed by stretching a non-extensible thread between a pair of skin plates. Is what you do.

Therefore, according to the second aspect of the present invention, it is possible to prevent the outer surface of the wall from bulging outward when a fluid such as air is pressed into the wall formed by the fluid pressure plate. As a result, the entire wall can always be kept in a flat state.

According to a third aspect of the present invention, in the first or second aspect of the present invention, a cover is attached to the outside of the hull. Therefore, according to the third aspect of the present invention, the connecting portion of each wall is concealed by the cover, so that the waterproofness of the boat can be secured and the appearance of the boat can be improved.

According to a fourth aspect of the present invention, in the third aspect of the present invention, an opening which can be opened and closed along a longitudinal direction is provided in an intermediate portion of the cover, and the volume of the cover is made larger than the outer shape of the hull. It is characterized in that it is formed to be slightly smaller.

Therefore, according to the fourth aspect of the present invention, the cover can be attached to the outside of the hull in a tensioned state. For this reason, generation of wrinkles in the cover can be suppressed, which can contribute to improvement in appearance.

According to a fifth aspect of the present invention, in the fourth aspect of the present invention, an opening and closing fastener is provided at the opening of the cover, and a waterproof means is provided on the opening and closing fastener. Is what you do.

Therefore, according to the fifth aspect of the present invention, it is possible to prevent water from entering the inside of the boat from the opening of the cover. According to a sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects, at least the deck wall of the hull is constituted by a fluid pressure plate, and the deck wall of the fluid pressure plate is provided. Has a cockpit opening.

Therefore, according to the present invention, a passenger can get on and off through the opening of the deck wall, and the upper body can be exposed from the opening, which is suitable as a canoe. .

According to a seventh aspect of the present invention, in the invention according to any one of the first to sixth aspects, at least an adjacent wall of the hull is constituted by a fluid press-in plate, and the fluid pressurized plate is provided. The end portions of adjacent walls of the press-fitting plate are connected by connecting means.

Therefore, according to the present invention, it is possible to reliably connect the adjacent walls composed of the fluid press-fitting plates to a predetermined mounting position without any displacement.

According to an eighth aspect of the present invention, in the seventh aspect of the present invention, the connecting means includes a connecting fastener. Therefore, according to the eighth aspect of the present invention, it is possible to easily connect and release between adjacent walls formed of the fluid press-fit plate,
Assembling and folding of the boat can be performed easily and in a short time. In addition, since it is possible to easily connect and release between the walls, after-maintenance and parts replacement can be easily performed. Here, the connecting fastener includes a hook-and-loop fastener (Magic Tape (registered trademark)).

According to a ninth aspect of the present invention, in the invention according to any one of the third to eighth aspects, between the edge of the wall formed by the fluid press-fitting plate and the cover, The tension tube is extended along the edge of the wall.

Therefore, according to the ninth aspect of the present invention, when the cover is attached to the outside of the hull, the portion of the cover corresponding to the edge portion of the wall made of the fluid press-in plate has a tension tube. This makes it possible to prevent wrinkles from being generated at the portion.

According to a tenth aspect of the present invention, in the invention according to any one of the first to ninth aspects, at least a bottom wall of the hull is constituted by a fluid press-in plate, and the fluid press-in plate is provided. Is divided into a plurality of portions in the longitudinal direction, and the divided portions are rotatably connected by hinges.

Therefore, according to the tenth aspect, the bottom wall can be easily deformed along the longitudinal direction into an arbitrary shape such as a ship bottom shape. Claim 1
The invention according to claim 1 is the invention according to claim 10, wherein
A lift means for lifting an end of the bottom wall is provided.

Therefore, according to the eleventh aspect of the present invention, the entire bottom wall can be held in a ship bottom shape or the like by lifting the end of the bottom wall. According to a twelfth aspect of the present invention, in the eleventh aspect of the present invention, the lift means comprises a lift member that holds the bottom wall end to the deck wall end in a lifted state. It is.

Therefore, according to the twelfth aspect of the present invention, the end of the bottom wall can be held in a lifted state by the lift means having a simple structure, so that the shape of the ship bottom can be revealed.

According to a thirteenth aspect, in the twelfth aspect, a hook-and-loop fastener is provided between the lift member and an end of the deck wall.

Therefore, according to the thirteenth aspect of the present invention, it is possible to easily hold the end of the bottom wall in a lifted state and release the bottom wall from the lifted state by a simple operation. it can.

[0028] The invention according to claim 14 is the invention according to any one of claims 1 to 13, wherein
At least both side walls of the hull are constituted by fluid press-in plates, and the side walls of the fluid press-in plate are formed with recesses for knee rests.

Therefore, according to the fourteenth aspect of the present invention, both side walls are constituted by the fluid press-in plates, and even if the internal volume of the hull is reduced, a predetermined boarding space is secured in the cockpit. And a comfortable maneuvering posture.

According to a fifteenth aspect of the present invention, the bottom wall and both side walls of the hull are constituted by fluid press-in plates into which fluid is pressurized, and a frame made of a bar is interposed between the both side walls. In addition, a cover is attached to the outside of each of them, and the cover is mounted.

Therefore, according to the fifteenth aspect of the present invention, the entire hull can be firmly constructed despite the simple structure of the hull. According to a sixteenth aspect, in the fifteenth aspect, a reinforcing member is provided along an edge of each of the side walls.

Therefore, according to the sixteenth aspect of the present invention, the edges of both sidewalls can be reinforced by the reinforcing material, thereby improving the rigidity of the sidewalls and increasing the strength of the entire hull. Can be.

[0033]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Various embodiments embodying the present invention will be described below with reference to the drawings. In addition, in the drawings described below, for ease of understanding, various sheets are drawn thicker and yarns are drawn thicker and less than actual ones. Also, the fluid press-in plate is drawn thick.

(First Embodiment) A first embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 1 to 3, the hull 21 of the boat according to this embodiment includes a bottom wall 22 and a pair of sidewalls 23 extending along both sides of the upper surface of the bottom wall 22. I have. A cover 25 made of a synthetic resin is detachably attached to the outside of the hull 21.

The bottom wall 22 is constituted by a fluid press-in plate into which a fluid such as air can be press-fitted. That is, the fluid press-fitting plate constituting the bottom wall 22 is formed in a hollow shape by joining and fixing a pair of facing skin plates 27 made of synthetic resin to each other at the outer peripheral edge,
A coating plate 28 made of synthetic resin is coated and fixed on the outer surface of the outer peripheral joint. A synthetic resin reinforcing sheet 29 is bonded and fixed to the inner surface of each skin plate 27, and a plurality of non-extensible synthetic resin threads 3 are interposed between the reinforcing sheets 29.
0 is stretched. When a fluid such as air is press-fitted into the fluid press-fitting plate from a supply valve (not shown), the threads 30 keep the entire skin plate 27 in a flat state without bulging outward. It has become.

The sidewalls 23 are formed of an air filling bag capable of filling air therein. That is, the air-filled bag constituting the side wall 23 is composed of the inner synthetic resin air tube 31 and the outer cover 32 made of synthetic resin which is fitted around the outer periphery of the air tube 31. An opening is formed in the outer periphery of the outer cover 32 along the longitudinal direction, and an opening / closing fastener 33 is provided in the opening.

The gap between both ends of the bottom wall 22 and the outer surface of each side wall 23 and the bottom wall 22
The connecting fasteners 34 and 35 as connecting means are respectively provided between the upper surface of the first and the inner surfaces of the side walls 23. And these connecting fasteners 34,
By closing 35, the adjacent bottom wall 22 and side wall 23 are releasably connected. For this reason, both sidewalls 23 are assembled and held at predetermined positions on both bottom sides of the bottom wall 22 without falling into both side end surfaces of the bottom wall 22.

Caps 36 are provided at both ends of the cover 25.
And a cockpit opening 37 is formed in the upper surface of the intermediate portion. Between both caps 36 and cockpit opening 37, an opening 38 is formed in the upper surface of the intermediate portion of cover 25 along the longitudinal direction, and an opening / closing fastener 39 is attached to the opening 38. Then, the volume and the length of the cover 25 including the cap 36 are formed so as to be slightly smaller than the outer shape of the hull 21,
By closing the opening / closing fastener 39 with both caps 36 attached to both ends of the hull 21, the cover 25 is fitted and attached to the outside of the hull 21 in a tensioned state.

Next, the operation of the boat configured as described above will be described. When the boat is not used, parts of the boat including the bottom wall 22, the side wall 23, etc. are separated and the wall 2
It is folded and stored in a state where air is evacuated from 2 and 23. When a boat is used in this state, after transporting those parts to the seaside or the like, both sidewalls 23 are placed on the bottom wall 22 and the fasteners 3 for connection are used.
When the walls 4 and 35 are closed, the walls 22 and 23 are connected to each other to form the hull 21. In a state where the air of the various components of the boat is evacuated, the components can be folded without separating the components.

Subsequently, air is supplied to the bottom wall 22 and both side walls 23 to some extent using a compressor or the like. Then, the fastener 39 for opening and closing the cover 25 is opened, and the cover 25 is placed outside the walls 22 and 23.
And air is supplied into the bottom wall 22 and both side walls 23 in this state until the air reaches a predetermined amount. Thereafter, when the fastener 39 for opening and closing is closed, the assembling work of the boat is completed.

Therefore, according to this embodiment, the following effects can be obtained. (1) In this boat, at least a part of the plurality of walls 22 and 23 constituting the hull 21 is constituted by a fluid press-in plate into which a fluid is press-fitted. For this reason, the wall constituting the hull 21 becomes lighter, and the transport and assembly of the hull 21 can be performed easily and in a short time. Also, the edge as a boat on the wall,
For example, an edge can be formed on both sides of the bottom wall 22, and performance such as stability, steering performance, and straight running performance can be improved.

(2) In this boat, the fluid press-in plate has a structure in which a non-extensible thread 30 is stretched between a pair of skin plates 27. For this reason, when a fluid such as air is press-fitted into the wall formed by the fluid press-fit plate, the outer surface of the wall can be prevented from bulging outward, and the entire wall can be always kept flat. it can.

(3) In this boat, a cover 25 is mounted on the outside of the hull 21. For this reason, the connection part of each wall is concealed by the cover 25, so that the waterproofness of the boat can be ensured, and the appearance of the boat can be improved.

(4) In this boat, caps 36 are provided at both ends of the cover 25,
An opening 38 that can be opened and closed along the longitudinal direction is provided in the intermediate portion. Then, the cover 25 including the cap 36
Of the hull 21 is slightly smaller than the outer shape of the hull 21. Therefore, the cover 25 can be easily attached to the outside of the hull 21 in a tensioned state. Therefore, the occurrence of wrinkles in the cover 25 is suppressed,
It can contribute to the improvement of appearance.

(5) In this boat, the bottom wall 22 composed of a fluid pressure plate and the adjacent sidewall 23 composed of an air-filled bag are detachably connected by connecting fasteners 34 and 35. I have. Therefore, by opening and closing the connecting fasteners 34 and 35, the adjacent walls 22 and 23 can be easily connected and released, and the boat can be easily assembled and folded in a short time.

(Second Embodiment) Next, a second embodiment of the present invention will be described focusing on parts different from the first embodiment.

In the second embodiment, FIG.
As shown in FIG. 7, the hull 21 of the boat is constructed between a bottom wall 22, a pair of side walls 23 extending along both side edges of the upper surface of the bottom wall 22, and an upper end of both side walls 23. And the deck wall 24 formed. A cover 25 is detachably attached to the outside of the hull 21.

The bottom wall 22, both side walls 23, and deck wall 24 are formed of a fluid pressure plate into which a fluid such as air can be pressed. The fluid press-fitting plates forming these walls 22, 23, 24 are made of a pair of skin plates 2 as in the first embodiment.
7, an outer covering plate 28, an inner reinforcing sheet 29,
And a plurality of non-extensible yarns 30 between the reinforcing sheets 29.

As shown in FIG. 4 to FIG.
Corresponding to the cockpit opening 37, the cockpit opening 41
Are formed. A substantially U-shaped cross-sectional rim ring 42 is provided around the periphery of the cockpit opening 37 of the cover 25.
Has been fixed. The rim ring 42 reinforces the cockpit opening 37 of the cover 25 so as to maintain a predetermined shape, and allows a not-shown shower cover to be fixed to the periphery of the cockpit opening 37.

A concave portion 44 for knee rest is formed in the upper portion of both sidewalls 23 made of the fluid press-fit plate by making the sidewalls 23 thinner. The knee of the leg is hooked in the recess 44. A footrest belt 45 and a body fixing belt 46 are provided on the upper surface of the bottom wall 22 formed of the fluid pressure plate.

As shown in FIG. 6, the lower end of each side wall 23 composed of a fluid pressure plate is connected to an adjacent bottom wall 2 composed of a fluid pressure plate by connecting fasteners 34 and 35 as connecting means on both side surfaces.
2 is releasably connected to both sides.
Similarly, the upper end of each side wall 23 is releasably connected to both sides of the adjacent deck wall 24 made of a fluid pressure plate by connecting fasteners 34 and 35 on both side surfaces. .

As shown in FIG. 5, the bottom wall 22 composed of the fluid press-in plate is divided into a plurality of portions (a front end portion 22a and another portion 22b in the embodiment), and is formed between the portions 22a and 22b. Are rotatably connected via a hinge 43. Bottom wall 22
A lifting member 4 as a lifting means
7 is attached, and a hook-and-loop fastener 48 is provided between the lift member 47 and the front end of the deck wall 24. Then, the front end portion 22a of the bottom wall 22 is lifted and rotated via the hinge 43 to join the surface fastener 48, whereby the front end portion 22a of the bottom wall 22 is connected to the deck wall 24 via the lift member 47. Lifted and held. Thus, the entire bottom wall 22 is held in a ship bottom shape or the like.

As shown in FIG. 6, tensioning tubes 49 are arranged at the upper ends on both sides of the deck wall 24 made of a fluid pressure plate so as to extend in the longitudinal direction, and air is supplied to the inside thereof. When the cover 25 is mounted on the hull 21, the tension tube 49
Is interposed between the upper edge of both sides of the deck wall 24 on the side of the deck and the cover 25 so that wrinkles are not generated on a portion of the cover 25 corresponding to the upper edge of both sides of the deck wall 24 on the both sides.

As shown in FIG. 7, on the fastener 39 for opening and closing the opening 38 of the cover 25, a waterproof cover 50 is provided on one upper surface of the opening 38 so as to be openable and closable. 38 is a fastener 5 between the upper surface of the other side.
1 is provided. On the lower surface of the waterproof cover 50, a rubber sheet 52 that can be attached to and detached from the opening / closing fastener 39 is adhered and fixed. Then, after closing the opening and closing fastener 39,
The opening and closing fastener 39 is covered with the rubber sheet 52 and the hook-and-loop fastener 51 is joined, so that the rubber sheet 52 is pressed against the opening and closing fastener 39 to prevent water from entering through the opening 38 of the cover 25. It has become.

Therefore, according to the second embodiment, the following effects can be obtained in addition to the effects (1) to (4) of the first embodiment. (6) In this boat, at least the deck wall 24 of the hull 21 is composed of a fluid pressure plate, and the deck wall 24 of the fluid pressure plate is provided with a cockpit opening 41. For this reason, the cockpit opening 4
1 can be easily formed.

(7) In this boat, at least the adjacent walls 22, 23, 24 of the hull 21 are constituted by fluid press-in plates, and the ends of the adjacent walls 22, 23, 24 of the fluid press-in plates are provided between the ends. They are detachably connected by connecting fasteners 34 and 35. For this reason, the adjacent wall 2 composed of a fluid pressure plate
2, 23, 24 can be reliably connected to a predetermined assembly position without any displacement. The opening and closing operations of the connecting fasteners 34 and 35 allow the adjacent wall 2 to be opened and closed.
2, 23, 24 can be easily connected and released, and the assembling and folding of the boat can be performed easily and in a short time.

(8) In this boat, at least the bottom wall 22 of the hull 21 is constituted by a fluid pressure plate. In addition, the bottom wall 22 of the fluid press-fit plate has a plurality of portions 22a, 22a in the longitudinal direction.
b, and are formed into divided portions 22a, 22b
The space is rotatably connected by a hinge 43. Therefore, the bottom wall 22 can be easily deformed along the longitudinal direction into an arbitrary shape such as a ship bottom shape.

(9) In this boat, the front end portion 22a of the bottom wall 22 is
A lift member 47 is provided at an end of the lift member for holding the lift member 47 in a lifted state. For this reason, the front end portion 22a of the bottom wall 22 can be reliably held in a lifted state by the lift member 47 having a simple structure, and the bottom wall 2
2 can be kept in a ship bottom shape or the like.

(10) In this boat, a hook-and-loop fastener 48 is provided between the lift member 47 and the end of the deck wall 24. For this reason, the front end portion 22a of the bottom wall 22 is held in a lifted state,
Release from the lifting state can be easily performed by a simple operation.

(11) In this boat, at least both sidewalls 23 of the hull 21 are constituted by fluid press-in plates, and the side walls 23 of the fluid press-in plate are formed with concave portions 44 for hanging on knees. For this reason, both side walls are constituted by fluid press-fit plates, and even if the internal volume of the hull 21 is reduced, a predetermined boarding space can be ensured in the cockpit and the occupant's knees can be held. An easy boarding posture can be taken. For this reason, maneuvering can be performed easily and at will.

(12) In this boat, between the edge of the deck wall 24 composed of the fluid press-fit plate and the cover 25, a tension tube 49 is extended along the edge of the deck wall 24. I have. Therefore, when the cover 25 is mounted on the outside of the hull 21,
It is possible to prevent wrinkles from being formed in the cover 25 corresponding to the edge of the deck wall 24 made of the fluid press-in plate, and to improve the overall appearance.

(13) In this boat, an opening / closing fastener 39 is provided in the opening 38 of the cover 25, and a waterproof cover 50 is covered on the opening / closing fastener 39. For this reason, it is possible to prevent water from entering the inside from the opening 38 of the cover 25.

(Third Embodiment) Next, a third embodiment of the present invention will be described focusing on parts different from the first embodiment.

In the third embodiment, FIG.
As shown in FIG. 10, the hull 21 of the boat is composed of a bottom wall 22 and a pair of side walls 23 extending along both sides of the upper surface of the bottom wall 22. The bottom wall 22 and both side walls 23 are each formed of a fluid press-fit plate into which a fluid such as air can be press-fitted. These walls 22,
As in the first embodiment, the fluid press-in plate constituting the pair 23 includes a pair of skin plates 27, an outer covering plate 28,
It is composed of an inner reinforcing sheet 29 and a plurality of non-extensible yarns 30 between the reinforcing sheets 29.

A reinforcing member 54 made of an aluminum pipe is extended and fixed to the upper edge of each of the side walls 23.
The reinforcing material 54 improves the overall rigidity of the sidewall 23 and reinforces the upper edge of the sidewall 23. A plurality of frames 55 and 56 made of an aluminum pipe are detachably mounted between the side walls 23 via a cylindrical stopper cloth 57 fixed to the side walls 23. The frames 55 located at the front and rear ends of the sidewall 23 are formed in a ring shape as a whole, and the frame 56 located in the middle is formed as a portal as a whole. And these frames 55,
By interposing 56, the distance between both sidewalls 23 is kept constant.

In the assembled state of the hulls 21, a cover 25 having the same configuration as that of the first embodiment is provided outside the hulls 21.
Are detachably covered with a cover. Therefore, according to the third embodiment, the following effects can be obtained in addition to the effects (1) to (4) of the first embodiment.

(14) In this boat, the hull 2
1 bottom wall 22 and both side walls 23
It is composed of a fluid press-fit plate into which a fluid is press-fitted, and a frame 55 made of a rod material is provided between both side walls 23.
56 are interposed. The hull 21 and the frame 5
The cover 25 is mounted on the outside of the covers 5 and 56.
For this reason, although the structure of the hull 21 is simple, the entire hull 21 can be firmly configured.

(15) In this boat, reinforcing members 54 are extended and fixed along the edges of the sidewalls 23. For this reason, the rigidity of the side walls 23 can be improved by the reinforcing material 54, and the edges of the side walls 23 can be reinforced, so that the strength of the entire hull 21 can be increased and the shape can be maintained. Can be.

(Fourth Embodiment) Next, a fourth embodiment of the present invention will be described focusing on parts different from the first embodiment.

In the fourth embodiment, FIG.
As shown in FIGS. 1 and 12, a boat hull 21 includes a bottom wall 22 and a pair of deck walls 24 disposed above the bottom wall 22. The bottom wall 22 and both deck walls 24 are
It is composed of a fluid press-in plate into which a fluid such as air can be press-fitted. As in the first embodiment, the fluid press-fitting plates forming the walls 22 and 24 include a pair of skin plates 27, an outer covering plate 28, an inner reinforcing sheet 29, and a plurality of Non-extensible yarn 3
0.

The space between both ends of the bottom wall 22 and the outer surface of each deck wall 24, and both deck walls 2
A connecting fastener 5 serving as connecting means
8, 59 are provided respectively. When the connecting fasteners 58 and 59 are closed, the adjacent bottom wall 22 and each deck wall 24 and between both deck walls 24 are releasably connected, and the hull 21 is brought into a predetermined set. It is configured to be held in the attached state.

Further, in a state where the hull 21 is assembled, a cover 25 having the same structure as that of the second embodiment is detachably mounted on the outside thereof. Therefore, according to the fourth embodiment, it is possible to obtain substantially the same effects as those in the above embodiments.

(Fifth Embodiment) Next, a fifth embodiment of the present invention will be described focusing on parts different from the first embodiment.

In the fifth embodiment, FIG.
As shown in FIG. 3, the hull 21 of the boat includes a bottom wall 22 and a pair of side walls 23 extended along both side edges of the upper surface of the bottom wall 22. A cover 25 made of synthetic resin is provided outside the hull 21.
Are detachably attached to the cover. As in the first embodiment, the bottom wall 22 is formed of a fluid press-fit plate into which a fluid such as air can be press-fitted, and both sidewalls 23 are formed of an air-filled bag capable of filling air therein. .

Connection fasteners 60 as connection means are provided between the outer end of the bottom wall 22 and the upper surface so as to correspond to both side surfaces of each of the side walls 23. When the connecting fasteners 60 are closed around the respective sidewalls 23, the adjacent bottom wall 22 and the respective sidewalls 23 are releasably connected to each other, and the hull 21 is brought into a predetermined set. It is configured to be held in the attached state.

Therefore, according to the fifth embodiment, it is possible to obtain substantially the same effects as those in the above embodiments. (Modification) This embodiment can be modified and embodied as follows.

In the second embodiment and the like, the side wall 23 is located on both the side end faces of the bottom wall 22. In the second embodiment, the rear end portion of the bottom wall 22 is divided similarly to the front end portion 22a so that the hinge 43
And held by the lift member 47 at the end of the deck wall 24 in a lifted state. With this configuration, an arbitrary bottom shape can be obtained.

The division of the bottom wall 22 and the hinge connection structure 43 in the second embodiment are embodied in the bottom wall 22 in another embodiment. In the second embodiment, the knee recess 44 is formed in a penetrating state from the inner surface to the outer surface of the sidewall 23. With this configuration, the manufacture of the sidewall 23 is facilitated.

The kneerest concave portion 44 of the second embodiment.
Is formed on the side wall 23 made of the fluid press-fit plate of another embodiment. -The tension tube 49 in the second embodiment is
In another embodiment, it is arranged to extend along the edge of the wall 22, 23, 24 made of a fluid pressure plate.

In the first and second embodiments, etc.,
The caps 36 at both ends of the cover 25 are omitted, and the portion is integrally formed by the cover 25. Also in this case, the volume of the cover 25 is made slightly smaller than the volume of the hull 21.

[0081]

As described above, as exemplified in the various embodiments, according to the present invention, as a boat, the transport and assembly of the hull can be performed easily and in a short time, and the stability, steering performance and straight running performance can be improved. It has the effect of improving performance such as.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a boat according to a first embodiment.

FIG. 2 is a longitudinal sectional view of the boat shown in FIG.

FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG. 2;

FIG. 4 is a perspective view showing a boat according to a second embodiment.

FIG. 5 is a longitudinal sectional view of the boat shown in FIG. 4;

FIG. 6 is an enlarged sectional view taken along line 6-6 in FIG. 5;

FIG. 7 is a partially enlarged sectional view taken along line 7-7 of FIG. 4;

FIG. 8 is a perspective view showing the boat according to the third embodiment with a cover removed.

9 is an enlarged cross-sectional view of the boat of FIG.

FIG. 10 is a partially enlarged longitudinal sectional view of the boat shown in FIG. 8;

FIG. 11 is a perspective view showing a boat according to a fourth embodiment with a cover removed.

FIG. 12 is an enlarged cross-sectional view of the boat shown in FIG. 11;

FIG. 13 is a cross-sectional view of a boat according to a fifth embodiment.

[Explanation of symbols]

Reference numeral 21: hull, 22: bottom wall, 22a: front end portion as a divided portion, 22b: other portion as a divided portion, 23: sidewall, 24: deck wall, 2
5 ... cover, 27 ... skin plate, 30 ... thread, 34, 35 ...
Fastener for connection as connecting means, 36 ... cap, 3
8 Opening of cover, 39 Opening / closing fastener, 41 Cockpit opening, 43 Hinge, 44 Knee recess, 47 Lifting member as lifting means, 48 Surface fastener, 49 Tension tube, 50 ... waterproof cover, 5
4: Reinforcing material, 55, 56: Frame, 58, 59, 60
... Fastener for connection as connecting means.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroo Nimura 245 Miyata, Suminami-cho, Motosu-gun, Gifu Pref.

Claims (16)

[Claims] 1. A boat characterized in that at least a part of a plurality of walls constituting a hull is constituted by a fluid press-in plate into which a fluid is press-fitted. 2. The boat according to claim 1, wherein the fluid press-fit plate is formed by stretching a non-extensible thread between a pair of skin plates. 3. The boat according to claim 1, wherein a cover is attached to the outside of the hull. 4. The cover according to claim 3, wherein an opening that can be opened and closed along a longitudinal direction is provided in an intermediate portion of the cover, and a volume of the cover is formed to be slightly smaller than an outer shape of the hull. The mentioned boat. 5. The boat according to claim 4, wherein an opening and closing fastener is provided at an opening of the cover, and waterproof means is provided on the opening and closing fastener. 6. The hull according to claim 1, wherein at least a deck wall of the hull is formed of a fluid pressure plate, and a cockpit opening is provided in the deck wall of the fluid pressure plate. A boat according to any one of the preceding claims. 7. The ship according to claim 1, wherein at least adjacent walls of said hull are constituted by fluid press-fit plates, and ends of adjacent walls of said fluid press-fit plates are connected by connecting means. A boat according to any one of the preceding claims. 8. The boat according to claim 7, wherein said connecting means includes a connecting fastener. 9. A tensioning tube extending between the edge of the wall made of the fluid pressure plate and the cover along the edge of the wall. A boat according to any one of the preceding claims. 10. The hull has at least a bottom wall formed of a fluid pressure plate, and the bottom wall of the fluid pressure plate is divided into a plurality of portions in a longitudinal direction, and the divided portions are rotatable by hinges. The boat according to any one of claims 1 to 9, wherein the boat is connected. 11. The boat according to claim 10, further comprising lift means for lifting an end of the bottom wall. 12. The boat according to claim 11, wherein said lifting means comprises a lifting member that holds an end of a bottom wall to an end of a deck wall in a lifted state. 13. The boat according to claim 12, wherein a hook-and-loop fastener is provided between the lift member and an end of the deck wall. 14. The hull according to claim 1, wherein at least both sidewalls of the hull are constituted by fluid press-in plates, and the side walls of the fluid press-in plates are formed with recesses for knee rests. A boat according to any one of the preceding claims. 15. A bottom wall and both side walls of a hull are constituted by fluid press-fit plates into which a fluid is press-fitted, and a frame made of a bar is interposed between both side walls, and a cover is provided on the outside thereof. A boat characterized in that the boat is coated with a cover. 16. The boat according to claim 15, wherein a reinforcing material is provided along an edge of each of the side walls.