JP2996000B2 - Pleasure boat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small boat having a short traveling distance, and more particularly to a small boat called a pleasure boat sailing near the coast for leisure purposes.

[0002]

2. Description of the Related Art A conventional pleasure boat has an integral hull, a total length of 4 m or more, and a horsepower of 4 m.
Generally, an outboard motor of about 0 ps is mounted. Further, the weight of the above-mentioned conventional pleasure boats easily exceeds 100 kg, and the weight is extremely large. In addition,
An outboard motor mounted on such a pleasure boat covers a large propeller that generates propulsion with a large-diameter cylindrical propeller guard, so that the propeller guard is attached when the outboard motor is mounted. It protrudes greatly downward from the bottom of the ship.

[0003]

However, the above-mentioned conventional pleasure boat has a drawback that it is very inconvenient to move and handle on land because of its heavy weight.

Further, the outboard motor mounted on the pleasure boat described above has a drawback that the propeller guard has a large diameter, so that the limbs are easily caught in the outboard motor. Since it is arranged so as to protrude downward, there was a drawback that the propeller guard was immediately caught by the propeller guard when traveling in shallow water or where rocks were raised near the water surface, making it impossible to travel.

[0005] Further, since the hull of the conventional pleasure boat has an integral structure, if the hull or the outboard motor is damaged, the entire hull or the outboard motor must be replaced, and the maintenance and inspection work cost is reduced. There were also drawbacks.

The present invention has been made in view of the above-mentioned circumstances, and provides a pleasure boat which is capable of improving portability on land, improving running performance in shallow water, and further reducing costs required for maintenance and inspection as much as possible. With the goal.

[0007]

In order to solve the above-mentioned problems, in a pleasure boat according to the present invention, a hull includes a hull main body, a front deck on which a steering system is mounted and which is detachably mounted on the hull main body. The outboard motor mounted on the hull main body can be divided into three parts, a passenger seat detachably mounted on the hull main body, and a water jet type outboard motor. The outboard motor main body is fixed to the hull main body, and a rudder for changing the direction of propulsion is swingably supported on the outboard motor main body.

[0008]

According to the pleasure boat of the present invention described above,
The hull can be divided into three parts: a hull main body, a front deck to which a steering system is mounted and which is detachably mounted to the hull main body, and an occupant seat which is detachably mounted to the hull main body. Therefore, these parts can be sufficiently lifted and moved by two adults. For this reason, if each part is mounted on a vehicle such as an automobile, the pleasure boat can be moved to any place. In addition, the outboard motor is a water jet type, so the diameter of the parts surrounding the impeller that generates propulsion can be reduced, and the portion protruding from the bottom of the ship is reduced, so that the running performance in shallow water can be improved. Becomes

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a pleasure boat according to the present invention will be described below in detail.

FIG. 1 is an exploded perspective view of a pleasure boat according to the present invention, and FIG. 2 is a conceptual perspective view showing an assembled state.

As shown in FIG. 1, a hull 1 of this pleasure boat has a hull body 2 composed of a hull bottom 3 called a hull and a deck 4, and the hull bottom 3 and deck 4 are in close contact with each other, 2 itself is configured to act as a buoyant body. In addition, the total length of the hull main body 2 is about 3 to 4 m. In addition, the water jet type outboard motor 5 is fitted with four mounting holes 6 formed on four sides thereof into four stud bolts 7 erected on the rear side of the hull 2, respectively. It is fixed to the hull 2 so as not to swing by the nut 8 to be screwed. A cylindrical impeller housing 9 is formed integrally with a lower portion of a gear case 5a constituting the outboard motor main body of the outboard motor 5. Also,
In the impeller housing 9, there is provided an impeller shaft 10 which is splined so as to protrude from the inside of the impeller housing 9, and the impeller 11 is fitted on the impeller shaft 10. Also this impeller 1
1 is an impeller shaft 1 with a washer and a nut 12.
0. A nozzle 13 is provided behind the impeller 11, and further pressurizes and accelerates the water flow accelerated by the impeller 11, and jets the jet backward. The hull 1 moves forward due to the reaction force of the jet jet at this time. A cylindrical ladder 14 for changing the direction of the water flow ejected by the jet is supported behind the nozzle 13 so as to be swingable in the left-right direction.
By changing the direction of 4, the traveling direction of the hull 1 changes. FIG. 4 is an enlarged sectional view of a main part of a lower portion of the gear case 5a having the impeller shaft 10 described above. In FIG. 4, reference numeral 18 denotes a driven gear for transmitting the driving force of the engine to the impeller shaft 10.

On the other hand, as shown in FIG.
Arm 16 connected to the rear end of steering cable 15
The steering cable 15 is fixed.
The rear end is supported by the outboard motor 5 via a cable clip 17 fixed to the gear case 5a. The details are shown in the perspective view of the main part in FIG.

As shown in FIG. 1, the distal end of the above-mentioned steering cable 15 is connected to a steering arm 22 fixed to a steering 21 in a front deck 20. In FIG. 1, reference numeral 23 denotes a cable clip for fixing the distal end portion of the steering cable 15 in the front deck 20, reference numeral 24 denotes a seat on which a driver sits, and the driver's seat 24 is attached to and detached from the side. A flexible hinge 25 supports the hull body 2 so as to be openable and closable, and a buckle 26 disposed on the opposite side removably fixes the hull body 2. The fuel tank 27 is provided in the hull body 2.
And is connected to the outboard motor 5 via a fuel hose 28. Both ends of the fuel hose 28 are one-touch type connectors, and can be easily connected to the fuel tank 27 and the outboard motor 5.

At the time of refueling, if the fastening of the buckle 26 for fixing the seat 24 is released, the seat 24 is rotated about the hinge 22, the fuel tank 27 is exposed, and the fuel cap is removed to refuel. Good.

In FIG. 1, reference numeral 30 denotes a throttle grip, and 31 denotes a throttle cable.

On the other hand, the front deck 20 which supports the above-mentioned steering wheel 21 is detachably attached to the front end of the deck 4 by means of a hinge 22, and furthermore, a buckle 26 arranged behind the deck 4 and a rear end of the front deck 20. By engaging the hooks 32 provided with each other, the hook 32 is detachably fixed to the tip of the hull body 2, that is, the tip of the deck 4.

According to the pleasure boat having the above-described structure, as shown in FIG. 2, when the passenger on the seat 24 turns the steering wheel 21 left and right, the rudder 14 swings via the steering cable 15. Therefore, the direction of the propulsive force of the outboard motor 5 changes, and the traveling direction of the hull 1 changes.

The hull 1 of the pleasure boat described above.
Can be roughly divided into a hull body 2, a front deck 20 to which a steering wheel 21 is attached and detachably attached to the hull body 2, and a passenger seat 24 detachably attached to the hull body 2. Since each of the parts 2, 20, and 24 can be lifted and moved by two adults, the parts 2, 20, and 24 can be sufficiently moved. The pleasure boat can be easily moved to any place by placing the pleasure boat on a roof carrier or the like.

According to the pleasure boat described above,
By making the outboard motor 5 a water jet type, the diameter of the impeller 11 can be made smaller (about 40%) than the shape of the outboard motor including a propeller type propeller guard. The shape of the portion to be installed is made compact, and as shown in FIG. 5 shown in the side view of the pleasure boat described above, the lower half of the impeller shaft 10 (FIG. 5) protrudes from the bottom 3 of the hull body 2, The shallow running can be made possible by reducing the protruding portion from the ship bottom 3. When the outboard motor 5 of FIG. 5 is mounted, as shown in FIG. 5 and FIG.
A portion connected to the water jet inlet 9a of the ship bottom 3,
That is, when the recess 3a is formed in the bottom 3 adjacent to the tip of the impeller housing 9, the protruding portion from the bottom 3 can be reduced without increasing the suction resistance near the water jet suction port 9a.

The water jet inlet 9 described above is used.
In order to further reduce the protruding portion from the ship bottom 3 without increasing the suction resistance in the vicinity of a, the lower surface of the impeller housing 9 is flush with the ship bottom 3, as shown in FIG. The length of the gear case 5a may be shortened, and the position of the tip end of the impeller housing 9 may be extended to form the water jet inlet 9a so as to be flush with the bottom 3 of the boat.

As shown in FIG. 7, the water jet inlet 9a
Is formed so as to be flush with the ship bottom 3, there is no projecting portion from the ship bottom 3, so that the shallow running performance is further improved and the impeller housing 9 does not collide with or catch on rocks near the water surface. Becomes

FIG. 8 is an enlarged view of the outboard motor 5 shown in FIG. 7, and FIGS. 9 to 11 further show the shape of the impeller housing 9 arranged in the outboard motor 5 shown in FIG. FIG. 9 is a sectional view taken along line BB, CC, and DD of FIG.

In the pleasure boat shown in FIG. 5, the impeller housing 9 of the outboard motor 5 partially protrudes from the bottom 3 of the boat. The outboard motor 5 may be damaged, but in order to eliminate such a fear, the water jet type outboard motor 5 is attached to the hull body 2 as shown in FIG. It may be mounted so that it can swing freely in an emergency. As shown in FIG. 12, a pivot 40 having a circular cross section is formed on both sides of the outboard motor 5 at the front of the outboard motor 5, and the pivot 40 is held between a pair of holders 41 and 42. Thus, the bolt 43 is positioned and supported at a predetermined position on the hull body 2. Therefore, in this state, the outboard motor 5 is supported on the hull body 2 so as to be swingable about the pivot 40. On the other hand, behind the outboard motor 5, a bolt 48 for inserting a hole 47a formed in the fitting arm 47 through a washer 44, a spacer 45, and a cushion 46, and the bolt 48
Is fixed to the deck 4 of the hull body 2 by a nut 49 screwed into the main body. FIG. 13 shows a cross-sectional view of this mounting.

According to the pleasure boat having the above-described outboard motor 5 mounting structure shown in FIG. 12, the impeller housing 9 collides with rocks 51 below the sea surface 50 during traveling, as shown in FIG. When a large force acts on the lower part of the outboard motor 5, a cushion 46 (see FIG.
3) The outboard motor 5 is torn off as indicated by an arrow.
It swings about zero and absorbs the impact, so that the outboard motor 5 and the hull body 2 are not seriously damaged.

In the above embodiment, as shown in FIG. 1, the impeller housing 9 of the outboard motor 5 is formed integrally with the gear case 5a. However, the same parts as those in FIG. As shown in a perspective view, the impeller housing 9 may be formed separately from the gear case 5a, and the impeller housing 9 formed separately may be bolted to the gear case 5a. When the impeller housing 9 is formed separately from the gear case 5a in this way, if the impeller housing 9 is damaged or worn, it is only economical to replace only this part, and it is very economical to form each part. It's easy.

Further, as shown in FIG. 16 in which the same parts as those in FIG. 15 are denoted by the same reference numerals, the portion corresponding to the water jet suction port of the gasket 5a is divided into left and right parts like an L intake duct 5b and an R intake duct 5c. Alternatively, the gear case 5a may be fixed by bolts 60.

If the portion corresponding to the water jet suction port of the gasket 5a is divided into left and right parts as described above, not only can the molding and processing of the gasket 5a be very simple, but also the shape of the water jet suction port can be changed as shown in FIG. As shown in FIG.
As shown by 7, the L intake duct 5b and the R intake duct 5c need only be processed and formed so as to be on the same plane as the ship bottom. When the portion corresponding to the water jet suction port of the above-mentioned gear case 5a is divided into left and right parts, only the front part of the impeller 11 is of the divided part, so that the water flow does not blow out from the mating surface of these parts. Surface accuracy is not so required. This is because the pressure distribution in the water jet pump is positive on the rear side of the impeller 11 and negative on the front side near zero.

According to the pleasure boat described above with reference to FIG. 2, when the operator gets on the hull 1, he gets on the hull 1 from the rear.
, It is extremely difficult to get in the vehicle. Therefore, in order to simplify this riding operation, the outboard motor upper cover 7 that covers the engine room of the outboard motor 5 as shown in FIG.
The handle 71 may be formed on the side of the zero. As described above, the handle 7 is provided beside the outboard motor upper cover 70.
When the pilot 1 is formed, when the operator 80 gets in from behind the hull 1, the operator can easily get in by using the handle 71 as a clue.

Although the above-mentioned handle 71 is formed on the side of the outboard motor upper cover 70 as shown in FIG. 18, it is provided behind the outboard motor lower cover 72 as shown in FIG. The outboard motor 5 may be formed integrally with a fitting plate 73 for fixing the outboard motor 5 to the hull 1 as shown in FIG.

[0030]

As described above, the pleasure boat according to the present invention comprises a hull body, a front deck to which a steering system is mounted and which is detachably mounted on the hull body, and a detachable boat mounted on the hull body. Since it can be divided into three parts of the passenger seat to be mounted, it is possible to lift and move each part by two adults sufficiently, so if each part is mounted on a vehicle such as a vehicle The pleasure boat can be easily moved to any place, so it can be transported anywhere, so that the range of travel of the pleasure boat can be widened. The cost required for inspection can also be reduced.

Further, the outboard motor is of a water jet type, so that the diameter of parts surrounding the impeller for generating propulsion can be reduced, and the portion protruding from the bottom of the boat is reduced, thereby improving running performance in shallow water. , The traveling area can be expanded.

Also, since the direction of movement of the hull is changed by changing the direction of the rudder, it is not necessary to change the direction of the outboard motor main body. Therefore, the direction of the heavy outboard motor main body is changed. Therefore, a pleasure boat can be provided which is lightweight and inexpensive.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a pleasure boat according to the present invention.

FIG. 2 is a perspective view of a pleasure boat according to the present invention.

FIG. 3 is a detailed assembly exploded perspective view of a main part of FIG. 1;

FIG. 4 is a conceptual enlarged sectional view of a main part of the outboard motor.

FIG. 5 is a conceptual side view of a pleasure boat according to the present invention.

FIG. 6 is a conceptual sectional view of AA in FIG. 5;

FIG. 7 is a conceptual side view of a pleasure boat according to the present invention.

FIG. 8 is a conceptual side view of an outboard motor according to the present invention.

FIG. 9 is a conceptual sectional view of BB in FIG. 8;

FIG. 10 is a conceptual cross-sectional view of CC in FIG. 8;

FIG. 11 is a conceptual sectional view of the DD in FIG. 8;

FIG. 12 is an assembly conceptual perspective view showing an outboard motor mounting structure.

FIG. 13 is an enlarged sectional view of a main part of FIG. 12;

FIG. 14 is a diagram showing a running state of a pleasure boat according to the present invention.

FIG. 15 is an exploded perspective view of the outboard motor according to the present invention.

FIG. 16 is an exploded perspective view of the outboard motor according to the present invention.

FIG. 17 is a conceptual perspective view of an intake duct.

FIG. 18 is a conceptual perspective view of a pleasure boat showing a handle position.

FIG. 19 is a conceptual perspective view of the pleasure boat showing another position of the handle.

FIG. 20 is a conceptual perspective view of a pleasure boat showing still another position of a handle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Hull 2 ... Hull body 5 ... Outboard motor 5a ... Outboard motor body 5b, 5c ... Intake duct 9 ... Impeller housing 9a ... Water jet suction port 14 ... Rudder 20 ... Front deck 21 ... Steering 24 ... Passenger seat

──────────────────────────────────────────────────の Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B63B 3/00 B63B 3/08 B63B 9/06 B63B 11/00 B63B 35/73 B63H 11/08 B63H 11 / 113 B63H 20/02

Claims (5)

(57) [Claims] The hull has three parts: a hull main body, a front deck on which a steering system is mounted and detachably mounted on the hull main body, and a passenger seat detachably mounted on the hull main body. The outboard motor attached to the hull body is a water jet type, and the outboard motor body of the water jet type outboard motor is fixed to the hull body, and the direction of the propulsion force is adjusted. A pleasure boat, wherein a ladder to be changed is swingably supported on the outboard motor body. 2. The water jet type outboard motor according to claim 1, wherein substantially half of an impeller shaft for driving the impeller protrudes from a bottom of the hull main body, and the water bottom is provided on a bottom of the hull main body. The pleasure boat according to claim 1, wherein a recess is formed in a portion of the jet outboard motor adjacent to the water jet inlet. 3. The pleasure boat according to claim 1, wherein the water jet type outboard has a water jet inlet formed on the same plane as the bottom of the hull body. 4. The outboard motor main body of the water jet type outboard motor has a tip pivotally supported with respect to the hull main body,
The pleasure boat according to claim 1, wherein the rear end is attached so as to be detached from the hull main body when a large load is applied to the outboard motor main body. 5. An outboard motor body for covering an impeller of the water jet type outboard motor is formed independently of the outboard motor main body, and an intake duct forming a water jet suction port is also formed with the outboard motor main body. The pleasure boat according to claim 1, wherein the pleasure boat is formed independently and divided into right and left.