JPH07187083A - Reverse bucket operation device for jet propulsion ship - Google Patents

Abstract

PURPOSE:To operate a reverse bucket concurrently with operation for acceleration and deceleration, and turning motion. CONSTITUTION:This device is for an operator's cabin equipped with a jet engine 5 having a reverse bucket 530 and a steering handle 2 having a throttle lever 22. Furthermore, an operator's foot deck is fitted with an operation pedal 6 to operate the reverse bucket 530, and an operator performs steering operation and operates the throttle lever 22, while holding the handle 2. Concurrently, the operator steps down the pedal 6, thereby operating the reverse bucket 530 via a push-pull cable 61 for braking or reversing the engine 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reverse bucket operating device for a jet propulsion boat.

[0002]

2. Description of the Related Art Recently, a jet propulsion boat equipped with a jet propulsion machine having a reverse bucket has been widely used. A steering handle and a throttle lever are provided at a driver's seat of the jet propulsion boat, and a lever for operating a reverse bucket is provided at a side portion of the steering handle. The driver in the driver's seat holds the steering wheel to operate the steering wheel and the throttle lever, and when braking the boat or moving backward.
The lever for operating the reverse bucket on the side of the steering wheel is operated.

[0003]

In the above structure, when the driver operates the lever for operating the reverse bucket, it is necessary to release the hand from the steering wheel and grasp the lever for operating the reverse bucket. There is
Therefore, it is necessary to remove the hand from the steering handle when operating the reverse bucket.

However, in actual driving, there is also a demand to operate the reverse bucket while performing acceleration / deceleration and turning operations. However, although the throttle operation can be performed while the steering operation is performed, the reverse bucket operation can be performed. Since it is necessary to remove the hand from the steering wheel when performing the operation, such three operations cannot be performed at the same time.

The present invention has been made in order to eliminate such a conventional drawback, and a reverse bucket operating device for a jet propulsion boat capable of operating a reverse bucket while performing operations of acceleration / deceleration and turning. It is intended to provide.

[0006]

According to the present invention, in a driver's seat including a jet propulsion machine having a reverse bucket and a steering handle provided with a throttle lever, a foot deck for a driver is operated for operating the reverse bucket. A pedal is installed.

A recess is preferably formed in the foot deck, and the operation pedal is housed in the recess. Further, the foot deck is composed of flat foot decks on both sides of a driver's straddle-type seat and an inclined deck formed by inclining forward on the front side thereof, and the concave portion is arranged in the inclined deck. Preferably. Further, it is preferable that the step surface of the step plate of the operation pedal is formed flush with the inclined deck in the non-operation state. Further, it is preferable that the straddle-type seat is supported by a driver's cab projecting upward from a foot deck, while the operation pedal is arranged near a side of the driver's cab.

[0008]

In the above structure, the driver performs acceleration / deceleration operation and turning operation while holding the steering wheel, thereby stabilizing the body against the inclination of the ship, and in that state, the operation pedal is operated by the foot. By stepping on, the reverse bucket can be operated to perform sudden braking or reverse operation. Therefore, it is not necessary to remove the hand from the handle to operate the reverse bucket when the posture is unstable such as when turning, and stable operation can be performed. Further, by disposing the operation pedal so as to be flush with the inclined deck, it is possible to prevent the foot from being caught on the operation pedal when it is not necessary, and the operation pedal does not become an obstacle during driving. Further, when the operation pedal is provided on the inclined deck in front of the driver's seat, the driver can operate the operation pedal easily because the driver's foot is put on the position during driving. Furthermore, while the above-mentioned straddle type seat is supported by the driver's cab projecting upward from the foot deck, if the above-mentioned operation pedal is arranged near the side of the driver's cab, the foot is pressed against the side of the driver's cab to make a turn. In such a case, the foot can be kept at a position close to the operation pedal, and the operation pedal can be operated instantly.

[0009]

1 to 3, a cockpit 1 is formed in a hull 10 of a jet propulsion boat, a driver's cab 30 is formed in the cockpit 1 on the center line of the hull, and a steering is provided on the driver's cab 30. A handle 2 is installed, and a straddle type seat 3 for a driver is formed on the rear side thereof so as to extend in the front-rear direction, and a rear seat 31 is installed on the rear side of the cockpit 1 in the ship width direction. A stern deck 14 is formed at the rear of the cockpit 1. Further, a front deck 11 is provided on the front side of the steering handle 2.
And a flat foot deck 12 for the driver is formed on both sides of the seat 3, and a front deck 11 is formed on the front side of the flat foot deck 12.
An inclined deck 13 that is inclined forward is formed between and. An operation pedal 6 described later is provided on the starboard side of the inclined deck 13.

The hull 10 is equipped with a jet propulsion device 5 as shown in FIG. 2 at the bottom of its stern, and a water injection port 52 that swings to the left and right is provided at the rear end of its main body 51. A water suction port 56 that opens to the bottom of the ship is formed on the side, and the main body 5
An impeller, which is driven to rotate by an engine (not shown), is installed in the flow passage in 1 and the rotation of the impeller sucks water from the water suction port 56 and jets the water in a predetermined direction from the water jet port 52 to generate a propulsive force and It is designed to generate a turning force. A reverse bucket 530 is attached to the water jet port 52 so as to rotate around a horizontal axis 57 to open and close the opening of the water jet port 52. Further, one end of a push-pull cable 61 for operation is coupled to the reverse bucket 530, and a tension spring 54 is attached between the reverse bucket 530 and the main body 51.
0 is always given a force in the opening direction. An arm 55 is provided on one side of the water injection port 52.
A push-pull cable 53 for operation is connected to 5.

The operation pedal 6 is connected to the other end of the push-pull cable 61 for operation. The other end of the push-pull cable 53 is connected to the tip of an arm 23 provided integrally with the operation shaft 20 of the steering handle 2. The steering handle 2 is formed with a grip 21 protruding to both sides, and a throttle lever 22 is attached to the base of one grip 21. By operating this throttle lever 22,
The carburetor 8 for the engine is operated via the push-pull cable 81.

As shown by the phantom line area 100 in FIG. 2, a round handle 210 may be adopted instead of the lever type steering handle 2. In this case also, the operating shaft 211 is used.
The arm 212 is integrally provided on the arm 212.
The push-pull cable 53 may be connected to the tip end of the, and the throttle lever 220 may be attached to the round handle 210 so as to be connected to the carburetor 8 via the push-pull cable 81.

As shown in FIG. 3, the operation pedal 6 swings around a horizontal shaft 60 at the lower end of a recessed portion 130 that is partially recessed in the inclined deck 13 at the front end of the driver's foot deck 12. It is installed so that the surface of the footboard is flush with the surface of the inclined deck 13 in the non-operating state. The operation pedal 6 is connected to the reverse bucket 530 via the push-pull cable 61 connected thereto, and when the operation pedal 6 is depressed, the push-pull cable 61 moves the reverse bucket 530 to the shaft 5.
Rotate down about 7. This reverse bucket 53
When 0 is pulled by the tension spring 54, the push pedal cable 61 always applies an upward force to the operation pedal 6, so that the operation pedal 6 is kept in the returned state.

The structure of the operation pedal can be variously modified. For example, as shown in FIG. 4, the operation pedal 61 may be swingably installed around the horizontal shaft 610 at the upper end of the recess 130. Further, as shown in FIG. 5, the operation pedal 62 may be swingably provided on one side thereof about a shaft 620 provided along the inclined deck 13. Further, in the example of FIG. 6, the operation pedal 63 is attached so as to be swingable around the horizontal shaft 630 at the upper end portion, and the return spring 631 is attached so that the operation pedal 63 is reliably returned.

7 and 8 show another example of the operation pedal. A horizontal axis 640 is provided at the upper end of a recess 130 formed in the inclined deck 13, and an arm 641 projects from the axis 640. A step plate 64 of the operation pedal is attached to the tip portion thereof, and one end of the push-pull cable 61 is connected to the arm 641.

In the above structure, the driver seated on the seat 3 puts his foot on the foot deck 12 or the inclined deck 13, holds the grip 21 of the steering handle 2, and operates the throttle lever 22 while driving. Then, by operating the grip portion 21, the direction of the water injection port 52 is changed via the operation shaft 20, the arm 23 and the push-pull cable 53, and the hull 10 is caused to make a predetermined turn. At the same time, by operating the throttle lever 22, the carburetor 8 is operated via the push-pull cable 81, and the engine is accelerated and decelerated. While performing various driving operations on the hull 10 by these operations, the driver can operate the reverse bucket 530 by stepping on the operation pedal 6 with his / her foot. By operating the reverse bucket 530, the braking force is applied to the ship or the reverse force is applied according to the operation amount.

In this way, the driver performs acceleration / deceleration operations and turning operations while holding the steering handle 2, thereby stabilizing the body against the inclination of the ship, and operating the pedals with his / her feet in this state. By stepping on 6, the reverse bucket can be operated to perform sudden braking or reverse operation. Therefore, it is not necessary to release the hand from the handle 2 for operating the reverse bucket 530 when the posture is unstable such as when turning, and stable operation can be performed. Further, when the operation pedal 6 is provided on the inclined deck 13 on the front side of the driver's seat, the driver can easily operate the operation pedal because it is in a position where he / she steps on while driving. If they are arranged so as to be one, it is possible to prevent the foot from being caught on the operation pedal 6 when unnecessary.

[0018]

As described above, according to the present invention, the driver performs the acceleration / deceleration operation and the turning operation while holding the steering wheel, thereby stabilizing the body against the inclination of the ship. In this state, by depressing the operation pedal with the foot in that state, the reverse bucket can be operated to perform sudden braking or reverse operation. Therefore,
It is not necessary to remove the hand from the handle to operate the reverse bucket when the posture is unstable, such as when turning, and stable operation is possible. Further, by disposing the operation pedal so as to be flush with the inclined deck, it is possible to prevent the foot from being caught on the operation pedal when it is not necessary, and the operation pedal does not become an obstacle during driving. Further, when the operation pedal is provided on the inclined deck in front of the driver's seat, the driver can operate the operation pedal easily because the driver's foot is put on the position during driving. Furthermore, while the above-mentioned straddle type seat is supported by the driver's cab projecting upward from the foot deck, if the above-mentioned operation pedal is arranged near the side of the driver's cab, the foot is pressed against the side of the driver's cab to make a turn. In such a case, the foot can be kept at a position close to the operation pedal, and the operation pedal can be operated instantly.

[Brief description of drawings]

FIG. 1 is a perspective view of a hull showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a reverse bucket according to the embodiment of the present invention.

3 is a perspective view of a portion of an operation pedal of FIG. 1. FIG.

FIG. 4 is a view corresponding to FIG. 3 showing another example of the operation pedal.

FIG. 5 is a view corresponding to FIG. 3 showing still another example of the operation pedal.

FIG. 6 is a cross-sectional view showing still another example of the operation pedal.

FIG. 7 is a sectional view showing still another example of the operation pedal.

FIG. 8 is a perspective view of FIG. 7.

[Explanation of symbols]

 1 Cockpit 2 Steering handle 3 Seat for driver's straddle 5 Jet propulsion machine 6 Operating pedal 10 Jet propulsion boat hull 11 Front deck 12 Foot deck 13 Inclined deck 21 Grip 22 Throttle lever 52 Water jet 51 Jet propulsion Machine body 530 Reverse bucket 53,61 Push-pull cable

Claims (5)

[Claims] 1. In a driver's seat having a jet propulsion machine having a reverse bucket and a steering handle provided with a throttle lever, a foot deck for the driver is provided with an operation pedal for operating the reverse bucket. The reverse bucket operation device of the characteristic jet propulsion boat. 2. A recess is formed in the foot deck,
The reverse bucket operating device for a jet propulsion watercraft according to claim 1, wherein the operation pedal is housed in the recess. 3. The foot deck comprises a flat foot deck on both sides of a driver's straddle-type seat and an inclined deck formed by inclining forward on the front side thereof, and the concave portion is arranged in the inclined deck. The reverse bucket operating device for a jet propulsion watercraft according to claim 2, wherein 4. The reverse bucket operating device for a jet propulsion watercraft according to claim 2, wherein a tread surface of the step plate of the operation pedal is formed flush with the inclined deck in a non-operated state. . 5. The seat according to claim 2, wherein the straddle-type seat is supported by a driver's cab projecting upward from a foot deck, while the operation pedal is disposed near a side of the driver's cab. Reverse bucket operation device for jet propulsion boat.