JP2000053080A - Small planing boat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate checking on the oil remaining quantity of an oil tank. SOLUTION: At least one portion of an oil tank 25 is supported on the front upper part of a fuel tank 23 disposed in a front side inside a boat, and at least one portion of this oil tank 25 is placed to face an opening 12a formed in the front upper part of a boat body 10. When an opening/closing lid body 31 covering the opening 12a is opened, checking is performed for the oil remaining quantity of the oil tank 25 through the opening 12a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a personal watercraft.

[0002]

2. Description of the Related Art Conventionally, a personal watercraft, for example, a jet propulsion boat, is configured to propel a hull by driving a jet propulsion machine with an engine housed in an engine room in the boat. In addition, an inspection opening in the engine compartment is formed in a seat mounting portion on the upper part of the hull, and an openable seat capable of covering the inspection opening is mounted on the seat mounting portion.

[0003] A steering handle is provided at a front position of the seat, and a storage recess is formed at a front upper portion of the hull, and a bow lid for opening and closing an opening of the storage recess is provided.

When the engine is of a two-cycle type, it is necessary to supply oil to the engine in addition to fuel (gasoline). For this reason, an oil tank is provided in the hull (mainly in the engine compartment). Is housed.

[0005]

However, since the oil tank is supported at the rear upper portion of the fuel tank, when checking the remaining amount of oil in the oil tank, the seat is removed and the inspection opening is opened. There was a problem that it was difficult to check the remaining amount of oil because it had to be looked into from a distance.

The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a personal watercraft that can easily check the remaining amount of oil in an oil tank.

[0007]

According to the present invention, a fuel tank is disposed in a front part of a boat, and at least a part of an oil tank is supported on a front upper part of the fuel tank. An opening is formed in the front upper portion of the hull, which is located forward of the steering wheel, and is formed with an openable cover and is open to the inside of the boat. The oil is located in the front upper portion of the fuel tank. It is an object of the present invention to provide a personal watercraft, wherein at least a part of the tank faces the opening.

According to the present invention, at least a part of an oil tank is supported at a front upper part of a fuel tank disposed at a front part in a boat, and at least a part of the oil tank is formed at a front upper part of a hull. When the openable lid that covers this opening is opened facing the opened opening, the remaining amount of oil in the oil tank can be easily checked through this opening.

According to a second aspect of the present invention, when an oil injection port for injecting oil into the oil tank faces the opening, an openable cover that covers the opening is opened. At this time, the remaining amount of the oil in the oil tank is checked through the opening, and if the remaining amount is small, the oil can be easily injected into the oil tank from the oil inlet.

According to a third aspect of the present invention, the oil tank is extended rearward, and an oil discharge port for discharging oil from the oil tank is provided in the rear extension. Since the path from the oil outlet to the oil pump provided at the front of the engine located behind the fuel tank is shortened, the connecting hose connecting the oil outlet and the oil pump is shortened, and the connecting hose is shortened. Is easier to handle.

According to a fourth aspect of the present invention, when a box-shaped box with a bottom is detachably fitted into the opening, the object stored in the box can always be taken in and out of the opening, and the oil can be removed. When checking the remaining amount or injecting the oil, simply removing the container from the opening allows the remaining amount of the oil to be checked and the oil to be injected through the opening.

[0012]

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

As shown in FIGS. 1 and 2, a jet propulsion boat which is a personal watercraft has a hull 10 composed of a hull member 11 and a deck member 12. The deck member 12
A steering handlebar 13 is provided on the upper part of the deck member 12, and a seat base 14 rising upward from the deck member 12 is provided on the upper part of the deck member 12 behind the steering handlebar 13 so as to extend rearward. On the upper surface of the seat table 14, a long detachable seat 15 for two people is placed behind. Note that the seat 15 may be an openable / closable type using a hinge or the like. Referring to FIG. 9, a step 17 for the rider to put his / her feet between the deck member 12 and the bulwark 16 projecting upward from both sides of the deck member 12 is provided on both sides of the seat base 14 of the deck member 12. Are formed respectively.

An engine room 20 is formed inside the hull 10 and a two-cycle three-cylinder engine 21 is mounted on the hull member 11 at a position below the seat table 14 in the engine room 20. At the front of the engine 21, a fuel tank 2 made of resin or aluminum alloy is fixed by left and right fixing belts 24a and 24b (see FIG. 3).
3 is fixed to the hull member 11.

A jet propulsion device 27 is disposed in a pump chamber formed at a lower rear portion of the hull member 11 of the hull 10. The jet propulsion device 27 is configured such that an impeller shaft is rotated by the engine 21. The water is sucked from the water suction port 11a at the bottom of the boat, and the water is jetted rearward from the nozzle 27a of the jet propulsion device 27, whereby the hull 10 is propelled. The hull 10 can be turned by operating the steering handle 13 to swing the nozzle 27a left and right.

[0016] The seat table 1 almost directly above the engine 21
Referring to FIG. 9, an inspection opening 14a in the engine room 20 is formed on the upper surface of the inspection opening 4a.
Will be covered with the seat 15 at the time of mounting.

As shown in FIGS. 2 and 3, a fuel hose 23a is connected to an upper right portion of the fuel tank 23. The fuel hose 23a penetrates the deck member 12, and an injection port 23b is connected to a steering handle. It faces the starboard side outer surface of the deck member 12 slightly forward of 13 and is closed with a fuel cap. The fuel in the fuel tank 23 is supplied to the engine 21 through a fuel supply hose 23c.

A U-shaped concave step 23d is formed at the front upper portion of the fuel tank 23. The concave step 23d has
A rearward U-shaped resin oil tank 25 is fitted (see FIG. 4A), and is fixedly fastened to the fuel tank 23 by the fixing belts 24a and 24b.

A short oil injection pipe 25a rising right above is connected to the upper portion of the oil tank 25, and an injection port 25b of the oil injection pipe 25a is connected to an oil cap 2a.
It is closed at 5c. The oil in the oil tank 25 is supplied to the engine 21 by an oil supply hose 25d via an oil pump provided at the front of the engine 21.

On the upper surface of the deck member 12 on the bow side of the hull 10, a square opening 12a opening into the boat is opened, and a concave step 12b is formed on the inner peripheral edge of the opening 12a.
Are formed. The opening 12a is set to be located almost directly above the oil tank 25 and the oil cap 25c fixed to the front upper part of the fuel tank 23.

A rectangular box-shaped container 30 with a bottom is detachably fitted into the opening 12a from above, and a flange portion 30a of the outer peripheral edge of the container 30 is fitted with the concave stepped portion 12b.
To be locked and held.

As shown in FIGS. 6 and 7, the opening 12a is covered with a streamlined lid hatch 31 in which a front end 31a is attached to the upper surface of the deck member 12 by a hinge fitting 32 so as to be openable and closable. ing.

A rectangular frame-shaped packing 33 is attached to the back surface of the lid hatch 31, and when the opening 12a is closed by the lid hatch 31, the packing 33 is opened.
a, the lid hatch 31 and the opening 12a
And water-tight seal.

At the rear side of the inner peripheral edge of the opening 12a, a locking claw 36 is supported so as to be able to swing back and forth and is urged by a spring member 37 in the locking direction (forward). When the lid 12a is closed, the rear end portion of the lid hatch 31 is locked by the lock claw 36, so that the lid hatch 31 is held at the closed position (see a two-dot chain line in FIG. 2).

Further, the lever 37a of the spring member 37 is lifted to move the lock claw 36 in the anti-lock direction (rearward).
The lid hatch 31 by the lock claw 36
Is released, and the lid hatch 31 can be opened (see the solid line in FIG. 2).

On the upper surface of the lid hatch 31, a window visor 34 made of a translucent synthetic resin (for example, acrylic) having substantially the same shape as that of the lid hatch 31 and having a slightly smaller outer shape is disposed with a certain gap S therebetween. The outer periphery of the wind visor 34 is fixed to the lid hatch 31 by a plurality of screws 35.

A speedometer 38 is mounted on the upper surface of the rear end of the lid hatch 31 so as to be seen by a driver sitting on the seat 15, and the upper portion of the speedometer 38 is positioned behind the eaves of the wind visor 34. It is covered with the end 34a. This prevents seawater or the like from directly splashing on the speedometer 38, and since the wind visor 34 is translucent, the driver can see the speedometer 38 through the wind visor 34 without any trouble. Note that the wind visor 34 may be transparent.

With the above-described arrangement of the oil tank 25, the oil tank 25 is fixed to the front upper portion of the fuel tank 23 disposed in front of the engine 21, and the lid hatch 31 is provided immediately above the oil tank 25. The opening 12a is openable and closable, and the container 30 is detachably inserted into the opening 12a from above.
When the lid hatch 31 that covers the opening 12a is opened and the container 30 is pulled upward from the opening 12a,
The oil remaining amount of the oil tank 25 can be easily checked from directly above the large opening 12a.

Since the oil inlet 25b for injecting oil into the oil tank 25 and the oil cap 25c face the inside of the opening 12a, the opening 12a
After checking the remaining amount of oil in the oil tank 25, if the remaining amount is low, the oil cap 25c is removed and the oil can be easily injected into the oil tank 25 from the oil inlet 25b. At this time, it is easy to perform the oil injection operation while visually checking the remaining amount of oil in the oil tank 25 from the opening 12a.
There is no danger of oil overflowing from the oil.

Further, the opening 12a is always in a container 30.
Even when the lid hatch 31 is opened and closed by taking things in and out of the case 30, the opening 12a is kept in the case 30.
, Dust and the like hardly adhere to the vicinity of the injection port 25b and the cap 25c, so that there is no possibility that dust or the like enters the oil tank 25 from the injection port 25b during the injection operation. Further, since the oil inlet 25b and the cap 25c are not exposed to the outside, there is no restriction on the external design of the hull 10.

The oil tank 25 has a U-shape as shown in FIG. 4A, but as shown in FIG. 4B, at least one of the left and right portions of the oil tank 25 (see FIG. 4B). In this example, the fuel tank 23 extends rearward to near the rear end of the fuel tank 23, and an oil discharge port is provided in the rear extension 25e.
Since the path to the oil pump provided at the front part of the engine 21 disposed behind the engine is shortened, the connecting hose 25d connecting the oil discharge port and the oil pump is shortened, and the connecting hose 25d can be easily handled. become. In addition,
As shown in FIG. 4 (c), the oil tank 25 is formed in an I-shape, and the oil discharge port of the rear extending portion 25e of the oil tank 25 and the oil pump are connected by a connecting hose 25d. Is also good.

On the other hand, in order to improve the startability of the engine 21, a choke valve is provided upstream of the throttle valve of the carburetor, and this choke valve is manually opened by a choke lever at the time of starting. This choke lever is conventionally provided on the outer surface of the deck member 12.

In the embodiment shown in FIG. 5, an accelerator lever 41 is provided near the right grip 40R of the steering handle 13, and a stop switch 42 and a kill switch 44 for stopping the engine 21 are provided near the left grip 40L. Are provided. This kill switch 4
4 is a fork-like portion 43 at one end of the curl cord 43.
a is sandwiched. The kill switch 44 wraps the belt portion 43b at the other end of the curl cord 43 around the wrist of the driver, and when the driver drops, the curl cord 43 is pulled and the fork-shaped portion 43a comes off. This is for stopping the engine 21.

In the embodiment shown in FIG. 5A, a choke lever 46 is provided below the switches 42 and 44 of the left grip 40L so as to swing left and right. Thereby, the choke lever 46 is positioned close to the driver holding the left and right grips of the steering wheel 13, and the choke lever 46 can be operated with the left hand while operating the accelerator lever 41 with the right hand, so that operability is good. become. In the embodiment shown in FIG. 5B, a choke lever 46 for swinging left and right is provided below the inside of the accelerator lever 41 of the right grip 40R. In this example, the curl cord 43 is the choke lever 4
6 does not hinder the left-right swing operation, so that the operability is further improved.

Further, in the embodiment shown in FIG. 5C, a choke lever 46 for vertically rotating operation is provided below the switches 42 and 44 of the left grip 40L. As a result, the choke lever 46 is positioned close to the driver holding the grip provided at the left end of the steering handle 13, so that the operability is improved. FIG.
In the embodiment of (d), a choke lever 46 that is operated to rotate up and down is provided below the inside of the accelerator lever 41 of the right grip 40R. In this example, the curl cord 43 does not hinder the up-down rotation operation of the choke lever 46, so that the operability is further improved.

Returning to FIG. 1, an assist grip 50 projecting in an arc shape rearward from the rear of the seat 15 is detachably provided at the rear upper portion of the seat base 14 by bolts 52. As shown in FIG. 8, the assist grip 50 is provided for the purpose of stabilizing the posture by the passenger sitting on the rear part of the seat 15 by holding the depressions 50a on the left and right lower surfaces with both hands. This is to make it easier to re-embark by putting your hand from behind or from the side of the hull.

As shown in FIGS. 9 and 10, on both sides of the rear portion of the sheet 15, bulging portions bulging outward in a triangular wing shape beyond the basic outer shape line a (see a two-dot chain line in FIG. 9). 1
5a are formed. Note that the assist grip 50 also projects outward beyond the basic outer shape line a of the seat 15, and the bulging portion 15a of the seat 15 and the assist grip 50 are continuous with each other in the front-rear direction.

Here, a cross section corresponding to the line AA in FIGS. 9 and 10 is shown in FIG. 11 (a), and a cross section corresponding to the line BB is also shown in FIG. 11 (b) and line CC. FIG. 12A shows a corresponding cross section, and FIG. 12B shows a cross section corresponding to the line DD.
The cross section corresponding to line EE is shown in FIG. As shown in FIG. 13, the seat 15 includes a seat skin 15b, a seat cushion 15c, and a seat bottom 15d, and a lower surface of the seat bottom 15d is provided near an inner peripheral edge of the inspection opening 14a. A seal member 51 is attached to the upper surface, and the lower end of the assist grip 50 is attached to the outer concave step 1 of the seat base 14.
4b and fixed by bolts 52.

The distal end 50b of the assist grip 50 is positioned between the line BB (FIG. 11 (b)) and the line CC (FIG. 12 (a)). To the vicinity of the EE cross section line (FIG. 13), bulging outward while rising obliquely upward, and the EE cross section line (FIG. 13).
And extends rearward in a substantially horizontal state while narrowing inward.

The upper part 50c of the assist grip 50
Is formed as a flat plane from the tip 50b to the vicinity of the DD cross section line (FIG. 12 (b)).
From the vicinity of the sectional line [FIG. 12 (b)] to the F position (see FIG. 9) substantially corresponding to the rear end of the bulging portion 15a of the sheet 15, the inclined surface is formed to be inwardly inclined.

With respect to the assist grip 50, the bulging portion 15a of the seat 15 is cut along the line BB [FIG.
(B)] to the vicinity of the section line DD (FIG. 12 (b)), the flat upper portion 50c of the assist grip 50.
And the upper part 50c of the assist grip 50 is covered from the vicinity of the section line DD (FIG. 12 (b)) to the position F.

The outer surface 15f of the bulging portion 15a of the seat 15 follows the curved shape of the outer surface 50d of the assist grip 50 from the vicinity of the DD section line (FIG. 12B) to the position F, that is, The outer surface 50d and the outer surface 15f are formed to be continuous curved surfaces.

If the shape of the assist grip 50 and the rear shape of the seat 15 are configured as described above, FIGS.
As is clear from FIG. 10, the bulging portion 15a of the seat 15 becomes a part of the assist grip 50, and the assist grip 50 appears to be formed long in the front and rear directions. The uneven portion between them is reduced and the appearance design is excellent, and the bulging portion 15a of the seat 15 can also be used as a part of the assist grip 50. Re-boarding is easier.

Further, since the bulging portion 15a of the seat 15 can be used as a part of the assist grip 50, the assist grip 50 itself can be made smaller, which facilitates the manufacture of the boat body 10.

[0045]

As is apparent from the above description, the personal watercraft according to the present invention supports at least a part of an oil tank at a front upper part of a fuel tank disposed at a front part in the boat, and When at least a part of the tank faces the opening formed in the upper front part of the hull, and the openable lid that covers the opening is opened, the amount of oil remaining in the oil tank can be easily removed from the opening. Will be able to check.

According to a second aspect of the present invention, when the oil injection port of the oil tank faces the opening, the opening and closing of the cover that covers the opening allows the oil tank to pass through the opening. The remaining amount of oil is checked, and if the remaining amount is low, the oil can be easily injected into the oil tank from the oil inlet.

According to a third aspect of the present invention, if an oil discharge port for discharging oil from the oil tank is provided in the rear extending portion of the oil tank, the oil discharge port is disposed behind the fuel tank from the oil discharge port. Since the path to the oil pump provided at the front of the engine is shortened, the connecting hose connecting the oil discharge port and the oil pump is shortened, so that the connecting hose can be easily handled.

According to a fourth aspect of the present invention, when a container is removably fitted into the opening, the object stored in the container can always be taken in and out of the opening. Simply by removing the container from the opening, the remaining amount of oil can be checked and the oil can be injected from the opening.

[Brief description of the drawings]

FIG. 1 is a side view of a personal watercraft according to the present invention.

FIG. 2 is a side sectional view of a bow portion of the personal watercraft.

FIG. 3 is a perspective view of an oil tank and a fuel tank.

FIGS. 4A to 4C are plan views showing examples of the arrangement of an oil tank and a fuel tank, respectively.

FIGS. 5A to 5D are perspective views of a steering handle showing arrangement examples of choke levers, respectively.

FIG. 6A is an assembled perspective view of a wind visor and a lid hatch, and FIG. 6B is an exploded perspective view of the wind visor and a lid hatch.

FIG. 7 is an exploded perspective view of a wind visor, a lid hatch, and related components.

8A is a rear perspective view of a personal watercraft, FIG.
(B) is a rear view of the personal watercraft.

FIG. 9 is a plan view of an assist grip portion of the personal watercraft.

FIG. 10 is a side view of FIG. 9;

11A is a sectional view taken along line AA of FIGS. 9 and 10, and FIG. 11B is a sectional view taken along line BB of FIGS. 9 and 10.

12A is a sectional view taken along line CC of FIGS. 9 and 10, and FIG. 12B is a sectional view taken along line DD of FIGS. 9 and 10.

FIG. 13 is a sectional view taken along line EE of FIGS. 9 and 10;

[Explanation of symbols]

 Reference Signs List 10 boat body 11 hull member 12 deck member 12a opening 15 detachable seat 23 fuel tank 23d concave step 25 oil tank 25b oil inlet 25d oil supply hose 30 storage box 31 lid hatch (lid) 34 wind visor

Claims (4)

[Claims] 1. A fuel tank is disposed in a front part of a boat, and at least a part of an oil tank is supported on a front upper part of the fuel tank. At the top, an opening is formed which is covered with an openable / closable lid and opens into the boat, and at least a part of an oil tank located at a front upper part of the fuel tank faces the opening. A personal watercraft that features. 2. The personal watercraft according to claim 1, wherein an oil injection port for injecting oil into the oil tank faces the opening. 3. The oil tank extends rearward,
The personal watercraft according to claim 1 or 2, wherein an oil discharge port for discharging oil from an oil tank is provided in the rearwardly extending portion. 4. The personal watercraft according to claim 1, wherein a bottomed box-shaped container is detachably fitted into the opening.