JPH0715838Y2 - Small planing boat - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to the structure of a small planing boat that rides on a deck and holds a steering wheel for traveling, and particularly to a cockpit provided in the middle part in the front-rear direction of the deck. The present invention relates to the structure of a fuel supply unit in a small planing boat of a type in which a bench type seat with a backrest is attached.

[Conventional technology]

The hull of a small planing boat of this type is generally formed by a hollow shell formed by joining a plastic molded deck part and a hull part, and an engine mounted in the hull drives a propulsion unit at the rear of the hull and The steering means is operated by the steering wheel.

As the propulsion device, a propeller or a jet pump is used, and in the case of a jet pump, steering is performed by changing the direction of the injection nozzle to the left or right, and when the direction of the injection nozzle is changed to up and down, it is in sliding. You can also adjust the angle of attack.

Prior art documents include, for example, Japanese Patent Application No. 63-234100.

Conventionally, in such a small planing boat, the fuel tank is generally mounted on the front part of the hull due to the internal layout of the hull.

By the way, in a small planing boat to which a bench seat where two people can usually sit side by side is attached, the space inside the hull can be afforded due to the wide hull width.
From the viewpoint of minimizing the fluctuation of the center of gravity of the planing boat, it is becoming more important to place a relatively heavy fuel tank (for example, about 25 to 35 kg) near the weight position below the bench seat. It was

[Technical issues to be solved by the device]

However, in a conventional small planing boat, whether the fuel tank is installed in the front part or the rear part of the hull, check the oil level of the fuel tank accurately when refueling the fuel tank. There was a problem that it was difficult.

Although this problem can be solved by providing a level gauge, providing a level gauge that can be easily confirmed from the outside complicates the structure and increases the cost.

The present invention has been made in view of such technical problems, and provides a small planing boat that has a simple and inexpensive structure and can easily check the fuel level in the fuel tank during refueling and inspection. The purpose is to provide.

[Means for solving problems]

The invention is a small planing boat in which a bench-type seat with a backrest is installed in the cockpit provided in the middle of the deck in the front-rear direction, and an inspection opening is provided in the lower part of the seat of the deck, and the seat is rotated around the hinge. Movably attached, by mounting a transparent or semi-transparent fuel tank inside the deck below the seat, and by providing a fuel inlet to the fuel tank on the side of the deck upper surface near the inspection opening, (EN) Provided is a small planing boat which has a simple and inexpensive structure and can easily confirm the fuel level in a fuel tank at the time of refueling and inspection.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 4 is a vertical cross-sectional view of a central portion of an embodiment of the small planing boat according to the present invention.

In FIG. 4, a hull 1 has a structure in which a deck 2 and a hull 3 are joined together at a mating surface 4 and integrated, and a bench type for seating an occupant is provided at an intermediate portion of the deck 2 in the front-rear direction. A cockpit 7 having a seat 5 and a floor 6 in front of the seat 5 is configured.

The deck 2 and the hull 3 are made of, for example, plastic (including FRP) molded products.

The bench type seat 5 usually has a width that allows two people to sit side by side, and the seat 5 is integrally formed with a backrest portion 5A.

A handle post 8 projecting above the cockpit is attached to a portion of the deck 2 in front of the cockpit 7 (close to the bow).

A steering handlebar 15 is pivotally supported on the handlebar post 8. By operating the handlebar 15,
The steering is performed by changing the direction of the injection nozzle 14 of the propulsion unit 12 at the rear of the hull via the control cable 16.

An engine 10 is mounted inside the hull 1 below the seat 5 and drives the propulsion unit 12 via a propeller shaft 11.

As the propulsion unit 12, a jet pump is used which obtains propulsion force by injecting water sucked from the bottom opening 13 rearward.

The handle 15 is provided with a throttle lever (not shown) for controlling the engine 10.

As the handle 15, a round handle, a bar handle, etc. can be freely used in addition to the concave handle as shown.

In the illustrated example, the interior of the hull 1 has bulkheads 17 and 17A.
The latter half is an engine room 18 that houses the engine 10 and the like.

A fuel tank 9 is installed in the engine room 18.

The seat 5 is attached to the deck 2 so as to be rotatable (openable and closable) rearward.

FIG. 1 shows the seat 5 when the seat 5 is rotated rearward.
FIG. 3 is a partially cutaway side view showing the fuel tank 9 and
2 is a plan view of FIG. 1, and FIG. 3 is a partial sectional view taken along the line III-III in FIG.

In addition, in FIG. 1 and FIG. 2, the position when the sheet 5 is used is indicated by a chain double-dashed line.

1 to 3, the upper surface of the deck 2 has an inspection opening 21 (second area) for inspecting the inside of the engine room 18.
) Is formed, and the inspection opening 21 is covered by the seat 5 when the seat 5 is in the normal position (in use).

From the inspection opening 21, it is possible to inspect various devices mounted in the engine room 18, such as the engine 10, the fuel tank 9 and the electrical equipment box 22 (FIG. 2).

The seat 15 is attached to the upper surface of the deck 2 so as to be rotatable rearward through two hinges 23 at the left and right, as shown by a chain double-dashed line and a solid line in FIG.

In the normal position indicated by the chain double-dashed line, the seat 5 is fixed to the deck upper surface by hooking a hook 24 ((FIG. 1)) provided on the lower front side of the seat 5 to the deck 2 side.

When the engine is inspected or when fuel is supplied to the fuel tank 9 (to be described later) (when refueling), the seal 5 can be rotated rearward by releasing the hook 24 by one-touch operation.

As shown in the figure, the fuel tank 9 is mounted at a low position in the hull 1 with a predetermined distance (for example, about 20 to 40 cm) from the upper surface of the deck 2 and a position easily visible from the inspection opening 21. ing.

The fuel tank 9 is made of a transparent or semi-transparent plastic such as high-density polyethylene or polypropylene, and is formed of a molded material of which the internal fuel level can be visually confirmed.

The capacity of the fuel tank 9 is, for example, about 25 to 35 liters.

As the mounting structure of the fuel tank 9, a belt-shaped groove 25 (two places) formed on the tank surface as shown in the figure is applied with a belt member (not shown) such as a rubber band, and the fuel tank 9 is attached by the belt member. A suitable fixing structure can be adopted, such as a method of tightening the bolt on the installation base on the bottom of the ship, or a method of tightening and fixing the bracket provided on the fuel tank 9 on the installation base with a bolt or the like.

Therefore, on the upper surface side (shoulder) of the deck 2 and near the inspection opening 21, the fuel filler port 26 to the fuel tank 9 is provided.
Is provided.

In the illustrated example, the position of the fuel filler 26 is set to the right upper edge (right shoulder) of the deck 2 and immediately behind the seat 5 at the normal position.

In FIG. 3, the fuel filler port 26 is provided with a tubular member 28 fixed to a hole 27 formed in the deck 2 by adhesion or the like, and the tubular member 28.
And a cap 30 that is hermetically fixed to the outer end portion of 28 via a gasket 29.

The cap 30 is connected to the tubular member 28 by a chain 31 to prevent loss.

On the other hand, a cylindrical inlet 32 is integrally formed on the upper portion of the fuel tank 9.

Therefore, the tubular member 28 of the fuel filler 26 and the fuel tank 9
The cylindrical inlet 32 is connected with a flexible tube 33 such as plastic or rubber.

When the fuel tank 9 is refilled with fuel such as gasoline, the seat 5 is pivoted rearward to open the inspection opening 21 and the cap 30 is opened to store the fuel in a plastic container or the like. A siphon type injector is connected between the take-out port and the tubular member 28 to supply the fuel.

At that time, while checking the fuel level in the fuel tank 9 through the inspection opening 21, the fuel is supplied, and when the fuel level reaches a predetermined level, the siphon effect of the injector is canceled to stop the fuel supply. .

According to the embodiment described above, the following effects were obtained.

i) When the fuel tank 9 is replenished with fuel, the fuel can be injected from the inspection opening 21 while checking the fuel level in the fuel tank 9. Therefore, a level gauge or the like is not required, and the structure can be easily adjusted to a predetermined level. It has become possible to refuel easily and accurately.

ii) The fuel tank 9 is mounted below the deck 2, and the fuel filler port 26 is provided on the upper surface of the deck, and a tube 33 is provided between them.
Since the structure is connected with, it has become possible to refuel easily to the maximum level.

iii) Since the fuel tank 9 is arranged below the seat 5,
The position of the fuel tank 9 and the center of gravity of the small planing boat can be brought close to each other, and it is possible to eliminate the variation of the center of gravity due to fuel consumption.

In the above embodiment, the fuel tank 9 and the fuel filler 26
Is arranged on the right side of the hull 1, but this may be arranged on the left side as well, and in some cases, it may be arranged at the center of the hull 1.

[Effect of device]

As is clear from the above description, according to the present invention, in a small planing boat in which a bench-type seat with a backrest is attached to the cockpit provided in the middle part in the front-rear direction of the deck, an inspection opening is provided in the lower part of the seat of the deck. Along with the installation, the seat is attached so that it can rotate around the hinge,
A fuel tank made of a transparent or translucent material is installed inside the deck below the seat, and a fuel filling port for the fuel tank is provided on the side of the deck upper surface near the inspection opening, so a simple and inexpensive structure is provided. (EN) Provided is a small planing boat capable of easily confirming a fuel level in a fuel tank during refueling and inspection and performing refueling work easily and accurately.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view showing the structure of an essential part of an embodiment of a small planing boat according to the present invention, and FIG. 2 is a plan view of FIG.
FIG. 3 is a sectional view taken along the line III-III in FIG. 1, and FIG. 4 is a central longitudinal sectional view of an embodiment of a small planing boat according to the present invention. Below, the symbols showing the main components in the drawings are listed. 1 ... Hull, 2 ... Deck, 3 ... Hull, 5 ... Bench type seat, 5A ... Backrest, 7 ... Cockpit, 9 ... Fuel tank, 10 ... Engine, 12 ... Propulsion unit , 15 …… Steering handle, 18 …… Engine room, 21 …… Inspection opening, 23 …… Hinge, 26 …… Filling port,
27 …… hole, 28 …… cylindrical member, 30 …… cap, 32 …… inlet (fuel tank), 33 …… tube.

Claims (2)

[Scope of utility model registration request] 1. A small planing boat in which a bench-type seat with a backrest is mounted in a cockpit provided at an intermediate portion in the front-rear direction of a deck, and an opening for inspection is provided in a lower portion of the seat of the deck, and the seat is centered around a hinge. It is rotatably mounted, and a fuel tank made of a transparent or translucent material is mounted inside the deck below the seat, and a fuel filler port for the fuel tank is provided on the side of the deck upper surface near the inspection opening. Small planing boat. 2. The small planing boat according to claim 1, wherein the fuel filler and the fuel tank are joined by a tube.