JPH092374A - Motor boat - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the hull from leaning to the left and right even when there is only one occupant, and to make it possible to easily get on and off the stern. [Structure] A water jet propulsion device 5 is provided in a rear portion of a hull 2, and a deck 4 of the hull 2 is formed by a front deck 6, a rear deck 7, and a cockpit 8. Front deck 6
A handle supporting casing 10 is provided at a central portion in the left-right direction, and a boarding floor having a substantially U-shape in a plan view is formed around the casing 10. The steering handle 11 was supported by the casing 10, and three seats 15 were arranged in the cockpit 8 side by side in the left-right direction of the hull.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor boat having a seat provided in a cockpit and a steering handle arranged in front of the seat.

[0002]

2. Description of the Related Art Conventionally, as a motor boat, there is a boat which is driven by an outboard motor mounted on the rear end of a hull as a power source. In this type of motor boat, a cockpit is provided approximately in the center of the hull in the front-rear direction, and an occupant sits on a seat in the cockpit and operates a steering handle in front of the seat. In the cockpit, one or a plurality of seats are arranged side by side in the left-right direction of the hull, and the steering handle is arranged in one of the width directions of the hull. That is, this steering handle is positioned in front of this seat when there is one seat, and in front of either one of the left and right directions when there are multiple seats.

[0003]

However, in the conventional motor boat described above, when the number of passengers is one, the center of gravity of the hull deviates to one of the left and right directions where the steering handle is located. There is a problem that the steering handle is slightly inclined to the side where it is located. When the hull is tilted in this way, the steering handle must be operated to correct the direction of travel in order to go straight, and the steering handle operation amount is the same when turning left and when turning right. Will disappear.

When the outboard motor is mounted as a power source,
Since the upper part of the outboard motor projects upward from the stern, there is a problem that it is difficult to get on and off the stern. For this reason,
It was desired to be able to easily get on and off the stern.

Further, in the conventional motor boat, there has been a demand to increase the number of passengers who can board the boat. To meet this demand, it is possible to install a seat on the front deck on the front side of the hull from the cockpit. However, the arrangement of the seats has been a problem in this structure. That is, the walking space of the front deck is narrowed depending on the arrangement of the seats, and the foot stopper for stabilizing the sitting state by the occupant stepping on and pressing the lower half of the body on the seat walks on the front deck. Sometimes it gets in the way.

The present invention has been made in order to solve such a problem, and its first object is to prevent the hull from inclining in the left-right direction even when there is only one occupant. The second is to make it easier to get on and off.
A third object of the present invention is to arrange a seat on the front deck on the front side of the hull without inconvenience so as to increase the number of passengers that can be boarded.

[0007]

A motor boat according to a first aspect of the present invention is provided with a water jet propulsion device at a rear portion of a hull, and a deck of the hull includes a front deck, a rear deck, and a cockpit between these front and rear decks. And a handle supporting casing projecting upward from the center of the front deck in the left-right direction, forming a U-shaped boarding floor in plan view on both sides and front of the casing. The steering handle is supported by the seat, and three seats are arranged in the cockpit side by side in the left-right direction of the hull.

A motorboat according to a second invention is the first motorboat.
In the motor boat according to the invention described above, the backrest of the seat can be tilted forward until it becomes substantially horizontal. A motor boat according to a third invention is the motor boat according to the first invention or the second invention, wherein an auxiliary seat is arranged on a bow side of a front deck toward the rear of the hull, and a hull front side of a handle supporting casing is provided. A foot stopper for an auxiliary seat is provided at a lower portion which is opposed to the auxiliary seat.

A motor boat according to a fourth invention is the third motor boat.
In the motor boat according to the invention of
It is arranged in a substantially U shape in a plan view along the vertical wall at the front end of the front deck.

[0010]

According to the first aspect of the invention, when there is only one passenger, the seat is seated on the center of the hull in the left-right direction, so that the left-right weight balance of the hull becomes even and the hull leans in the left-right direction. Absent. Further, there is no member that interferes with getting on and off the stern, and the boarding floor of the rear deck forms a boarding / alighting passage from the cockpit to the stern. According to the second aspect of the present invention, the backrest of the seat is tilted forward until it becomes substantially horizontal, so that the upper surface of the backrest becomes a part of the entry / exit passage.

According to the third aspect of the invention, since the auxiliary seat is positioned on the bow side of the front deck, a walking space is continuously formed between the auxiliary seat and the cockpit. Further, the foot stopper is arranged close to the handle supporting casing.

According to the fourth aspect of the invention, the auxiliary seat is arranged at the forefront of the embarkation floor, which is formed in a substantially U shape in plan view of the front deck.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 is a plan view of a motor boat according to the present invention, and FIG. 2 is a side view of the motor boat according to the present invention.

In these figures, 1 is a motor boat according to this embodiment. This motor boat 1 is provided with a deck 4 surrounded by bulwarks 3 from the left and right sides on the upper part of a hull 2, and two water jet propulsion devices 5 are mounted on the rear part of the hull 2 side by side in the left-right direction of the hull 2. . The deck 4 includes a front deck 6 positioned on the front side of the hull and a rear deck 7 positioned on the rear side of the hull.
And a cockpit 8 positioned between these front and rear decks 6, 7.

The water jet propulsion device 5 employs a conventionally well-known device in which a jet pump 5b is driven by an engine 5a. The engine 5a has a structure whose rotation can be controlled by a throttle lever, which will be described later, and the water jet parts 5c of the left and right jet pumps 5b.
Has a structure capable of changing the jetting direction of water by being driven by a steering handle and a shift lever described later. By operating the steering handle, the direction of jetting water is changed to the left and right, and by operating the shift lever, the jetting direction of water is switched between the rear and front of the hull.

On the front deck 6, an auxiliary seat 9 is provided at a portion on the bow side and a handle support casing 10 is provided at a portion on the cockpit 8 side. The front deck 6 is formed with a boarding floor that is substantially U-shaped in a plan view on both left and right sides and the front of the handle support casing 10. The auxiliary sheet 9 is
A total of two units, one each on the left and right, are arranged toward the rear of the hull 2 so as to be bilaterally symmetric with respect to the center line of the hull 2, and are formed at the front end of the front deck 6. It is arranged in a substantially U shape in plan view along the vertical wall 6a. 9
Reference numeral a indicates a seating portion of the auxiliary seat 9, and reference numeral 9b indicates a backrest.

The handle support casing 10 is formed by partially bulging the central portion of the front deck 6 in the left-right direction, and gradually extends toward the rear cockpit 8 side as it goes upward. It has become. A steering handle 11 is attached to the top of the handle support casing 10. A part of the rear portion of the handle supporting casing 10 on the right side of the hull extends into the cockpit 8. A throttle lever 12 and a shift lever 13 are arranged on this extending portion.

A foot stopper 14 for stabilizing the lower half of the body of the occupant seated on the auxiliary seat 9 is provided at the lower portion of the handle support casing 10 on the front side of the hull and facing the auxiliary seat 9. Is provided. The foot stoppers 14 are integrally formed on the left and right side wall portions of the handle support casing 10.

The cockpit 8 is the front deck 6
The seats 15 are formed to have a lower step, and three seats 15 are arranged side by side in the left-right direction of the hull 2. The backrest 15a of each of these seats 15 has a structure that can be tilted forward until it becomes substantially horizontal. A state in which the backrest 15a is tilted forward is shown by a chain double-dashed line in FIG. The seat 15 has a structure such that when the backrest 15a is tilted forward, the upper surface of the backrest 15a has substantially the same height as the rear deck 7.

Further, the cockpit 8 is formed such that the stepped portion connected to the front deck 6 on the front side of the cockpit 8 is inclined rearward and downward, and this inclined portion serves as a foot stopper 16. . A fuel tank 17 is provided in the interior space of the ship below the cockpit 8.
Has been arranged.

As shown in FIG. 2, the rear deck 7 is formed to be substantially flat, and an engine hatch 18 is provided at a central portion in the left-right direction of the hull 2 at a front portion of the rear deck 7 and above the jet pump 5b at a rear portion. A hatch 19 for pump inspection is provided in the area. The engine hatch 18 is configured such that it can be opened and closed in the vertical direction with the front end portion as a fulcrum, and the engine 5a is exposed in the opened state. The pump check hatch 19 is also openable / closable similarly to the engine hatch 18, and has a structure in which the jet pump 5b is exposed in the opened state.
In addition, the rear deck 7 has a portion on the left and right sides of the hull 2 with respect to the engine hatch 18 and a portion on the rear side of the hull with respect to the engine hatch 18 serving as a boarding floor, and is formed so that walking can be performed thereon. ing.

The boarding floor is formed to be substantially flat near the water surface. By forming the boarding floor on the rear deck 7 in this manner, for example, after the occupant swims, it is possible to easily board the boarding floor from the water.

The front deck 6 and the cockpit 8 are also provided.
In addition, a non-slip mat is attached to a walkable portion of the rear deck 7 at a portion with parallel slanting lines which descends to the right in FIG.

The motor boat 1 thus constructed is
It sails using two water jet propulsion devices 5 on the left and right. When there is only one occupant, the three seats 15 provided in the cockpit 8 are seated on the seat 15 at the center of the hull 2 in the left-right direction, so that the left-right weight balance of the hull 2 becomes uniform and the hull leans in the left-right direction. There is nothing to do.

Further, since the water jet propulsion device 5 is used as a power source for traveling, there is no member that interferes with getting on and off the stern, as compared with the case where an outboard motor is used. Therefore, by tilting the backrest 15a of the seat 15 forward until it becomes substantially horizontal, the upper surface (back surface) of the backrest 15a and the rear deck 7 form a passage for getting on and off from the cockpit 8 to the stern.

Further, the front deck 6 has an auxiliary sheet 9
Is positioned on the bow side, the walking space is continuously formed between the auxiliary seat 9 and the cockpit 8. In addition, the foot stopper 14 stepped on by the occupant seated on the auxiliary seat 9 is
The handle supporting casing 10 is provided so as to be protruded in the direction. In addition, since the auxiliary seat 9 is arranged along the vertical wall 6a of the front deck 6 in a substantially U shape in a plan view, a wide boarding floor formed in a substantially U shape in a plan view of the front deck 6 is secured. Meanwhile, the auxiliary sheet 9 can be arranged.

[0027]

As described above, the motor boat according to the first aspect of the present invention is provided with the water jet propulsion device at the rear of the hull, and the deck of the hull is the front deck, the rear deck, and the cockpit between the front and rear decks. And a handle supporting casing projecting upward from the center of the front deck in the left-right direction, and a boarding floor having a substantially U-shape in plan view is formed on both sides and front of this casing. Support the steering handle on the casing,
Place the seats in the cockpit in the left-right direction of the hull 3
Since the individual passengers are arranged, the seat on the center of the hull in the left-right direction is seated when there is only one passenger, so that the left-right weight balance of the hull becomes uniform and the hull does not lean in the left-right direction.

For this reason, it is not necessary to correct the traveling direction when going straight, and the steering amount is equal in either direction when turning.

In the stern, there is no member that interferes with getting on and off, and the rear deck forms a passage for getting on and off from the cockpit to the stern. Therefore, it is possible to easily get on and off the stern without any obstacle. Further, since the boarding floor having a substantially U shape in plan view is formed on the front deck, a wide boarding space can be secured, and even if the driver is seated, the passengers can pass between the seats on both sides by passing through the boarding floor. Can be easily moved.

A motorboat according to a second invention is the first motorboat.
In the motor boat according to the invention, since the seat back has a structure in which the seat back can be tilted forward until it becomes substantially horizontal,
By tilting the backrest of the seat forward until it becomes substantially horizontal, the upper surface of the backrest becomes a part of the entry / exit passage. Therefore, getting on and off from the stern can be performed very easily.

The motor boat according to the third invention is the first motor boat.
In the motor boat according to the present invention or the second invention, an auxiliary seat is arranged on the bow side of the front deck facing the rear of the hull, and is a lower part of the handle supporting casing on the front side of the hull and faces the auxiliary seat. Since a foot stopper for an auxiliary seat is provided in the part, a walking space is continuously formed between the auxiliary seat and the cockpit on the front deck because the auxiliary seat is positioned on the bow side. . Further, the foot stopper is arranged close to the handle supporting casing.

Therefore, according to the third invention, it is possible to increase the number of passengers who can board the ship by the amount corresponding to the auxiliary seat. Further, when the auxiliary seat is provided on the front deck, the walking space of the front deck can be secured as wide as possible, and the foot stopper is not placed alone on the walking space, which does not become an obstacle.

The motor boat according to the fourth aspect of the present invention is the third aspect.
In the motor boat according to the invention of
Since the front deck is arranged along the vertical wall at the front end in a substantially U shape in a plan view, the auxiliary seat is arranged at the forefront part of the boarding floor formed in the U shape in a plan view of the front deck. For this reason,
It is possible to secure a wide boarding floor on the front deck.

[Brief description of drawings]

FIG. 1 is a plan view of a motor boat according to the present invention.

FIG. 2 is a side view of the motor boat according to the present invention.

[Explanation of symbols]

1 ... Motor boat, 2 ... Hull, 4 ... Deck, 5 ... Water jet propulsion device, 6 ... Front deck, 6a ... Vertical wall, 7 ... Rear deck, 8 ... Cockpit, 9 ... Auxiliary seat, 10 ... Handle support casing , 11 ... Steering handle, 14, 16 ... Foot stopper, 15 ... Seat.

Claims (4)

[Claims] 1. A watercraft propulsion device is provided at the rear of the hull, the deck of the hull is a front deck located on the front side of the hull, and a deck located on the rear side of the hull and formed to be substantially flat near the water surface. It is composed of a rear deck having a floor and a cockpit located between these front and rear decks, and a handle supporting casing is projected upward at the center of the front deck in the left-right direction. And a boarding floor having a substantially U-shape in a plan view is formed in the front, and the steering handle is supported by this casing,
Place the seats in the cockpit in the left-right direction of the hull 3
A motor boat characterized by being arranged individually. 2. The motor boat according to claim 1, wherein the seat back has a structure in which the seat back can be tilted forward until the seat back becomes substantially horizontal. 3. The motor boat according to claim 1 or 2, wherein an auxiliary seat is arranged on the bow side of the front deck toward the rear of the hull, and the lower part is the hull front side of the handle supporting casing, A motor boat characterized in that a foot stopper for an auxiliary seat is provided at a portion facing the auxiliary seat. 4. The motor boat according to claim 3, wherein the auxiliary seat is arranged in a substantially U shape in a plan view along the vertical wall at the front end of the front deck.