JP4459146B2 - Interlocking device and water vehicle with engine provided with interlocking device - Google Patents

Description

  The present invention connects a boarding portion of a water vehicle and a propulsion device, and steers the propulsion device with an inclination within a predetermined range of the boarding portion, and the boarding portion and the propulsion device with an inclination outside the predetermined range of the boarding portion. This is related to a water vehicle that has been released from the linkage.

In the case of a water vehicle that does not have a rudder, for example, a plate-like floating body with little or no dryness such as a surfboard, the traveling direction of the floating body is changed according to the weight shift and buoyancy of the operator.
Self-propelled surfboards that have the function of enjoying the sense of balance of the rider by taking advantage of the wave riding characteristics unique to this surfboard are known.
Japanese Unexamined Patent Publication No. 04-71989

The technique of Patent Document 1 is to provide a jet propulsion device on a surfboard, and operate the jet propulsion nozzle by a hydraulic cylinder using the inclination of the surfboard to perform steering.
In the technique described in this document, no special consideration is given to the interlocking between the hydraulic cylinder and the steering nozzle.

In the technique of the above-mentioned patent document 1, with the inclination of the surfboard, the pilot valve opens, the jet propulsion nozzle rotates, and the jet propulsion force is distributed to both forward and swivel.
By the way, when the angle of inclination of the surfboard increases, the board itself generates a sufficient turning force by the action of the bottom and the edge of the board.
On the other hand, if the turning angle of the jet propulsion nozzle is large, it does not contribute much to the advance of the board.
In the technique of Patent Document 1, even under such conditions, the nozzle rotates corresponding to the case where the inclination angle of the surfboard is large, and there is a deviation between the stroke direction of the hydraulic cylinder and the rotation direction of the nozzle. As a result, it is necessary to devise a device that does not increase the load on the connecting portion.
The present invention has been made in view of the above prior art.

The present invention is a steering range that does not contribute much to the forward movement of the boarding part (surfboard etc.), that is, by interlocking the steering movement only within the predetermined inclination range (inclination of the setting range) of the boarding part, It is an object of the present invention to provide an interlocking device for a water vehicle including an interlocking device for a boarding portion and a propulsion device that can reduce a load associated with a turning motion.
Another object of the present invention is to provide the above-described interlocking device for a water vehicle at a low cost and with a simple structure.
Another object of the present invention is to improve the fuel consumption of a water vehicle using an engine type propulsion device when the interlock device is installed on the water vehicle.

  The invention according to claim 1 is a water vehicle including a boarding portion and a propulsion device, and is an interlocking device in a water vehicle that changes a tilt and a thrust direction and obtains a steering effect within a range of inclination of the boat portion. In addition, an interlock mechanism that interlocks the tilt and the steering is within a predetermined range of the boarding portion, and a release mechanism that releases the propulsion device from the motion of the tilt outside the range of the tilt. .

  A second aspect of the present invention is the first aspect of the present invention, wherein the interlocking mechanism includes a shaft along the front-rear direction of the boarding portion, a drive unit that moves around the front-rear direction axis, and a direction orthogonal to the front-rear direction axis. A driven portion that moves around an axis and an engaging portion between the driving portion and the driven portion are provided, and the release mechanism includes a mechanism that releases the engagement.

  Claim 3 is a water vehicle in which the thrust direction of the propulsion device is changed according to the inclination of the boarding portion, the steering is performed, and the propulsion device is an engine-driven propulsion device. When the propulsion device is released from the tilting motion of the boarding unit, and the interlocking device having the interlocking mechanism for interlocking with the steering and the release mechanism that releases the propulsion device from the tilting motion, except in the range of the tilt, the engine A device for stopping the operation is provided.

  In the invention which concerns on Claim 1, it is a surface vehicle provided with a boarding part and a propulsion apparatus, Comprising: In the range of the inclination of a predetermined boarding part, the interlocking mechanism which links inclination and steering of a propulsion apparatus, and the range of inclination Other than the above, since it has a release mechanism that releases the propulsion device from the tilting motion, within the range where steering is necessary, the propulsion device can be interlocked by the inclination of the boarding part, and in other ranges, Since the propulsion device does not interlock with the boarding part, a load such as friction does not increase at the connection part of the interlock device.

  According to a second aspect of the present invention, in the first aspect of the present invention, in the first aspect, the interlocking mechanism has a shaft along the front-rear direction of the boarding portion, a drive unit that moves about the front-rear direction axis, and an axis that is orthogonal to the front-rear direction axis In addition to the effect of claim 1, since the release portion is provided with a mechanism for releasing the engagement, the follower portion that moves around and the engagement portion between the drive portion and the follower portion are provided. Simple structure because the mechanism can be configured with a combination of engagement between the rocking rod and the pin, etc., the release mechanism can be configured with a U-groove opening structure, pin length setting, a missing tooth mechanism that releases the mesh at the toothless part, etc. Thus, a high effect can be obtained and the cost can be reduced.

  In the invention according to claim 3, the thrust direction of the propulsion device is changed by the inclination of the boarding portion, the steering is performed, and the inclination and the steering are within a predetermined range of the inclination of the boarding portion. In other than the tilt range, the propulsion device was released by the release mechanism from the tilt motion, and in such a situation, the ignition of the propulsion device engine was stopped. The propulsion device can be steered in conjunction with the inclination of the boarding section, and otherwise the propulsion device does not interlock with the boarding section due to an inclination outside the range required by the boarding section. Since the load of friction and other parts does not increase and the engine operation stops, the propulsion device with the engine is interlocked with the hull in a water vehicle using the propulsion device using the engine. So it engaged the engaging portion is released again, until interlocking is the operation of the propulsion device engine stop, wastefully without that consumes fuel, there is a fuel economy improvement effect in watercraft.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is an exploded perspective view of a water vehicle and a propulsion device, just before the propulsion device is mounted on the water vehicle.
As an example of a water vehicle, the figure shows an example of a surfboard. The propulsion device 1 is detachably mounted on a hull 60 composed of a surfboard.
The main body 2 of the propulsion unit 1 for attaching the propulsion device to the hull has a pipe frame shape made of a pipe material, and includes a front portion 3, an intermediate portion 4, and a rear portion 5 along the front and rear of the surfboard. A mounting portion 11 for detachably mounting the propulsion device 50 so as to be swingable with respect to the second side is provided.

  In the illustrated example, the propulsion device 50 is an outboard motor (hereinafter, the propulsion device is referred to as an outboard motor). The outboard motor 50 includes an uppermost engine cover 50a, an under cover 50b below this, an extension case 50c extending downward and extending below, and a gear case 50d provided below the cover 50a and 50b. In this case, an engine, a fuel tank, and the like are accommodated, and a drive shaft passes through the extension case 50c to drive a propeller 51 provided toward the rear of the gear case 50d.

In addition, a stern bracket 52 is provided so as to protrude to the front side of the extension case 50c.
The stern bracket 52 has a bifurcated shape that is reversely concave in a side view and concave in a plan view, and includes fastening hardware 52 a and 52 a for fastening to the mounting portion 11.

FIG. 2 is a plan view showing an example of a unit of the propulsion device 50 mounted on the hull 60, and FIG. 3 is a side view thereof. The propulsion device will be described in detail with reference to these drawings and FIG.
The front part 3 of the main body 2 for mounting the propulsion device 50 to the hull 60 is provided with a gripping handle part 6 having a reverse U-shaped front view that is slightly rearwardly inclined at the foremost part. , 3a is provided with left and right front and rear flanges 3b, 3b extending in the front-rear direction of the main body, and a cross member 3c bent upward is erected on the rear part.
Reinforcing rods 3d and 3d are installed obliquely between the vertical rod portions 3a and 3a and the rear portions of the front and rear facing flange portions 3b and 3b. Moreover, the cross member 3e is constructed in the height direction intermediate part of the vertical hook parts 3a and 3a.

The front end portions of the left and right front-facing scissors members 4a, 4a are connected to the rear end portions of the left and right front-facing scissors portions 3b, 3b of the front portion 3 via the length-adjustable connecting members 7, 7. The rear end portions of the flange members 4a and 4a are connected to the front end portions of the left and right flange portions 5a and 5a of the rear portion 5 through the same connecting members 7 and 7 so as to be adjustable in length.
The intermediate part 4 is comprised by the above eaves members 4a and 4a, and the intermediate part 4 is nested between the front and rear parts 3b and 5a through connecting members 7 (... indicates a plurality, the same applies hereinafter). The length in the front-rear direction can be adjusted at this portion, and the distance between the front portion 3 and the rear portion 5 can be adjusted.
Thereby, the front-rear length of the main body 2 can be adjusted corresponding to the length of the hull.

The left and right flanges 5a, 5a of the rear part 5 are formed such that the distance between the front parts is large, the distance between the rear parts is small, and the distance is gradually narrowed backward.
A cross member 5c bent upward is laid between the front portions of the left and right flange portions 5a, 5a, and a floor plate 8 is attached between the middle portion and the rear portion.
The rear end portions of the left and right flange portions 5a, 5a are bent upward in an L shape so as to be parallel to the left and right to form standing portions 5b, 5b.
A support plate 9 is installed between the upright portions 5b and 5b in a substantially vertical direction.

The main body 2 is provided with suction cups 10 constituting an example of a mounting mechanism so as to hang downward and protrude.
In the embodiment, the suction cups 10... Are installed at eight positions on the front end 3 such as the front and rear left and right flange portions 3b and 3b, the front end portions of the left and right flange portions 5a and 5a, and the middle rear portion. The installation location and the number of installation of the suction cups 10 are arbitrary.
Note that the mounting mechanism is not limited to the suction cup and is optional.

The mounting portion 11 of the propulsion device 50 is disposed behind the rearmost support plate 9 of the main body 2, and the mounting portion 11 is supported by the support shaft 12 that is pivotally supported on the support plate 9 and faces in the front-rear direction. To do.
FIG. 4 is an exploded perspective view between the mounting portion and the support plate, and is an exploded perspective view of a conversion mechanism that converts the propulsion device to perform a steering motion, and FIG. 5 is a partially broken perspective view showing the assembled state. 6 is a longitudinal side view of the main part of FIG.
A conversion mechanism for converting the propulsion device to perform a steering motion will be described with reference to these drawings.

The support plate 9 at the tail end of the main body 2 passes through the support hole 9a the front part of the support shaft 12 (the hull 60, that is, the axis along the front-rear direction of the boarding part of the water vehicle) facing the front-rear direction of the board, The front portion 12a of the support shaft 12 is rotatably supported in the support hole 9a via the bearings 13 and 13 supported from the front and rear of the plate by the holding metal members 13a and 13a.
The rear half portion 12 b of the support shaft 12 is passed through a sleeve 14 fixed to a mounting hole 11 a provided in the plate-like mounting portion 11, fixed by a radial through bolt 15, and integrated with the mounting portion 11. The sleeve 14 is fixed to the mounting portion with a mounting flange 14a provided on the support plate 9 side (frontward) with bolts 14b.

A substantially Z-shaped operating rod 16 is fixed to the upper part of the intermediate portion in the left-right direction on the surface facing the mounting portion 11 of the support plate 9 on the main body 2 side.
On the other hand, at the front end portion facing the support plate 9 in front of the mounting flange 14a of the sleeve 14 fixed on the mounting portion 11 side, a substantially Z-shaped support rod 17 that rises upward in a side view is provided on the operation rod 16. And so as to face each other with a gap.
The vertical upper half 17a of the support rod 17 on the mounting portion side, and hence the outboard motor 50 side which is the propulsion device, is intermediate the lower half 18a of the vertical Z-shaped swing rod (steering rod) 18. The part is pivotally supported via a pin 19 so as to be swingable.
The swinging of the swinging rod 18 constitutes one of the drive units that steer by rotating (driving) a later-described engaging unit 54 (driven unit) that constitutes the driven unit about a vertical axis.

A U-shaped groove 20 that is bent forward of the swinging rod 18 and opened upward in the vertical direction is provided in the protruding upper half 18b, and protrudes in front of the upper portion of the outboard motor 50 in the U-groove 20. The long pin-shaped engaging portion 54 (driven portion) which is the steering portion is penetrated and engaged.
The U-groove 20 has a length in the vertical direction and includes an upper end 20a that opens upward, the lower end 20b of the groove is concave, and the left and right inner edge portions 20c and 20c are linearly upward in parallel. Extend.

In the embodiment, the outboard motor 50 includes a vertical steering shaft (steering shaft) 53 vertically passing between the stern bracket 52 shown in FIG. 6 and a boss 50e projecting forward from the outboard motor mounting case. It swings to the left and right through the steering action.
In the figure, a is a steering center line, and b is a rocking rotation center.
A bearing-shaped holding portion is provided in the support portion for attaching the stern bracket or the outboard motor 50 side to the support plate 9, and the extension case 50c is rotatably supported by the holding portion, and the outer peripheral portion of the extension case 50c is supported. The swivel shaft may be configured to be steerable.

A pin 21 is provided on the lower half portion 16a of the operation rod 16 described above, and the pin 21 is pivotally attached to a portion 18c below the pivot portion by the pivot pin 19 of the swing rod 18.
As described above, when the operating rod 16, and thus the main body 2 side, swings left and right, the swinging rod 18 pivotally supported and connected to the operating rod 16 by the pin 21 swings left and right around the pin 19.

As a result, the upper half portion 18 b of the swing rod 18 swings left and right, and the outboard motor 50 engaged through the pin-shaped engagement portion 54 that slides in the U-groove 20 has the steering shaft 53. Will swing left and right around the center and steer.
As described above, the interlocking mechanism 30 that performs the steering motion of the propulsion device 50 (outboard motor) in association with the horizontal tilt of the hull 60 with respect to the water surface is configured.

Left and right buoyancy aids 22 and 22 are disposed in lower portions on both sides of the mounting portion 11 described above.
The buoyancy auxiliary bodies 22 and 22 are formed in a cylindrical shape that is long in the front-rear direction, and are substantially L-shaped in a side view in which front and rear mounting portions 22a and 22a are provided on both sides of the mounting portion 11, and are curved L-shaped support symmetrical in front view The stays 23, 23 were installed between the lower ends of the stays 23 in the front-rear direction.
Each support stay 23 is composed of front and rear members 23a and 23b. A reinforcing member 23c is installed between the intermediate portions, and the upper portions are connected by a connecting plate 23d as shown in FIG. I removed it for stool. The connecting plate 23d is not always necessary.

As shown in FIG. 1, the above propulsion device 1 adsorbs the suction cups 10 provided on the lower surface of the main body 2 to the upper surface of the hull 60 as indicated by an arrow, and the propulsion device main body 2 is placed on the hull 60. It attaches detachably.
FIG. 7 shows a state in which the propulsion device 1 is detachably mounted on the hull 60. The operator M gets on the hull 60, holds the handle portion 6, and is propelled by the propulsive force of the propulsion device 50. The hull 60 is propelled to play on the water, steered by moving the center of gravity left and right on the hull 60, and steered.

FIGS. 8 to 10 are longitudinal sectional views showing the steering operation of the hull. The hull middle section is cut from the front and viewed from the front. The front side of the figure is the front in the traveling direction, and the far side of the figure is proceeding. Direction backward.
FIG. 8 is a diagram showing a state in which the hull is moving in a straight line, and FIG. 9 is a diagram showing a state in which the hull is tilted to the left and steered to the left. FIG. 10 is a diagram showing a state in which the hull is tilted to the right and steered to the right (in the figure, the left and right are reversed because the front and rear are reversed).

FIG. 8 is a view showing a state in which the hull is in a straight straight state. The hull 60 is in a horizontal state, the propeller 51 of the outboard motor 50 faces directly behind, and the hull 60 is driven by the propulsive force of the outboard motor 50. Go straight.
The pilot M moves the center of gravity on the hull 60, so that the hull 60 tilts to the left and right. At this time, the propulsion device (outboard motor) 50 is held vertically by the action of the buoyancy auxiliary bodies 22 and 22.

FIG. 9 shows a state in which the hull 60 is tilted to the right side of the figure. When the hull 60 is tilted to the right in the figure, the operation rod 16 provided on the support plate 9 integrated with the main body 2 is on the right side of the figure. The pin 21 tilts in the right direction in the figure.
As a result, the swing rod 18 pivotally attached to the pin 21 is pivoted to the left in the drawing with the pin 19 at the middle point as a fulcrum, and the engagement of the outboard motor 50 engaged with the U groove 20 is achieved. The joint 54 is moved in the left direction in the figure.
As a result, the outboard motor 50 swings in the right direction, which is the opposite direction around the steering shaft 53, and the drawing is viewed from the front, so the outboard motor 50 is moved in the left direction, which is the tilting direction of the hull 60. Steer.

FIG. 10 shows a state in which the hull 60 is tilted to the left in the figure, and the operating rod 16 provided on the support plate 9 integral with the main body 2 is tilted to the left in the figure. The pin 21 tilts in the left direction in the figure.
As a result, the swing rod 18 pivotally attached to the pin 21 is pivoted to the right in the drawing with the pin 19 at the middle point as a fulcrum, and the engagement of the outboard motor 50 engaged with the U groove 20. The joint portion 54 is moved in the right direction in the figure.
As a result, the outboard motor 50 swings in the right direction, which is the opposite direction around the steering shaft 53, and the drawing is a view seen from the front, so the outboard motor 50 is moved in the right direction, which is the tilting direction of the hull 60. Steer.

As described above, when maneuvering the hull 60, the outboard motor (propulsion device) 50 passes through the conversion mechanism 30 in the hull inclining direction by tilting the hull 60 left and right by moving the center of gravity of the operator. Steer.
Therefore, the vehicle is steered in the direction inclined by the movement of the center of gravity of the hull while being propelled by the propulsive force of the outboard motor 50, so that it can be steered with a feeling similar to the steering feeling that the original vehicle brings on in a water vehicle. .

FIG. 11 is an explanatory view of the engagement and disengagement between the U groove 20 of the rocking rod 18 and the pin-like engagement portion 54. FIG. It is a schematic diagram which shows the relationship of a joint part.
11 in FIG. 11 is the rotation center of the swing rod 18, and L is the length from the open upper end 20 a to the lower end 20 b of the U groove 20.
θ is a steering allowable swing range of the swing rod 18, and swing within the range of θ of the swing rod 18. As shown in FIGS. 9 and 10, the engaging portion 54 has left and right sides of the U groove 20. The movement slides in the U-groove 20 to steer the propulsion device 50 left and right.

Left and right θ1 and θ1 indicate the left and right allowable swing ranges of the swing rod 18, and the engaging portion 54 reaches the open portion of the upper end portion 20a of the U groove 20 at this position, and beyond this, the outboard motor 50 The engaging portion 54 (pin) provided on the (propulsion device) side is disengaged from the open end portion 20a of the U-groove 20, and the outboard motor 50 does not follow the inclination of the hull 60.
Therefore, the U groove 20 and the engaging portion 54 constitute a release mechanism.
As described above, when the right and left inclination of the hull 60 exceeds the allowable swing range θ of the swing rod 18, the interlocking between the propulsion device 50 (outboard motor) and the hull is released.

12 and 13 are diagrams showing another embodiment of the present invention. FIG. 11 is a side view of a main part with a cross section of a rocking rod, and FIG. 13 is a plan view of the same.
Since the basic structure of the interlocking device is the same as described above, the same parts are denoted by the same reference numerals, and detailed description thereof is omitted.

  The length L2 of the engaging portion 154 projecting rearward of the propulsion device 50 (outboard motor) is set short. On the other hand, the U-groove 120 of the swing rod 18 has a lower end 120b as a concave portion, opens the upper end 120a, and symmetrically crosses the left and right inner edge portions 120c and 120c as shown in FIG. The plane is arcuate.

FIG. 14 is an explanatory view similar to FIG. 11 described above, and is an explanatory view of the operation of the embodiment of FIGS. 12 and 13. The propulsion device 50 swings in the range of θ around the steering shaft 53 and steers. Do.
When steering the left and right by tilting the hull 60, the engaging portion 154 does not come out of the U groove 120 within the range of the steering allowable angle θ, but if it exceeds the left and right θ1, θ1, the tip of the engaging portion 154 Part is disengaged from the U-groove 120, the engagement between the engaging part 154 and the U-groove 120 is released, the interlock between the hull 60 and the propulsion device 50 is released, and the outboard motor 50 follows the inclination of the hull 60. Will not.

Therefore, the U groove 120 and the engaging portion 154 constitute a release mechanism.
As described above, when the right and left inclination of the hull 60 exceeds the allowable swing range θ of the swing rod 18, the interlocking between the propulsion device 50 (outboard motor) and the hull is released.
In the embodiment, the side of the rocking rod 18 that engages with the engaging portion 154 is a U-groove, but in the present embodiment, it can be implemented with a long hole.

In the above embodiment, the engagement structure between the pin-shaped engaging portion and the U groove or the long hole has been described. However, if necessary, the propulsion device can be connected to the propulsion device via the release mechanism at an inclination exceeding a predetermined range of the hull. It is only necessary to release the interlock.For example, using a missing tooth mechanism that releases the mesh at the part without teeth, the mesh of the missing tooth mechanism is released at an inclination exceeding the predetermined range of the hull, and the hull and the propulsion device are interlocked. May be canceled.
As a result, a load such as friction does not increase at the connecting portion of the interlocking device.

  In the conventional interlocking device, since the steering range follows the entire inclination range, a large space is required around the propulsion device, but the maximum turning angle is regulated by the present invention. Increase in size is suppressed.

  15-17 is a figure which shows the Example which turns off an ignition device, operates the kill switch which stops an engine, and stops an engine, when the interlocking | linkage of the propulsion apparatus 50 and the hull 60 is cancelled | released. 15 is a side view of the main part in a state in which the kill switch is not operated, FIG. 16 is a view in the direction of arrow 16 in FIG. 15, and FIG. 17 is a diagram in which the kill switch is operated and the engine is stopped. .

The engaging portion 254 that performs the same action as the engaging portion described above on the propulsion device 50 side is a cylindrical switch case 255 that is a rod-like switch that is urged by an internal spring in a direction to open the engine operation circuit. The head portion 254b is a small diameter neck portion 254a at the downstream portion, and the neck portion 254a is engaged with the U groove 220 of the swing rod 118 having a bifurcated U groove as described above, and the neck portion 254a is The U groove 220 is slidably held.
As described above, the swing rod 218 due to the inclination of the hull 60 swings left and right in the figure, and this swing swings the engaging portion 254 engaged with the U-groove 120 to the left and right, thereby moving the propulsion device 50. Turn around the vertical axis and steer.

When the inclination of the hull exceeds the set range, the engagement between the U groove 220 of the swing rod 218 and the neck portion 254a of the engagement portion 254 is released as described above, and the neck portion 254a is released from the U groove and becomes free. .
As a result, the engaging portion 254 is moved in the direction of diving in the switch case 255 by the biasing force of the spring, and the head 254b is held in contact with the distal end portion of the switch case 255.
In this state, the kill switch for turning off the ignition device built in the switch case 255 is opened, and the engine of the propulsion device is stopped.
The switch itself may be opened or closed depending on a circuit to be connected, or may be closed and short-circuited.
In this way, the engine of the propulsion device is stopped in a state where the interlocking device is released between the hull and the propulsion device. Alternatively, the fuel supply may be stopped.

  As described above, the interlock by the interlocking device that interlocks the hull and the propulsion device is released at an inclination outside the predetermined range of the hull, and this releasing operation simultaneously turns off the ignition device of the propulsion device such as the outboard motor. By stopping the engine, the engine operation of the propulsion unit is stopped until it is re-engaged from the state where the steering is not linked to the state where it is linked again. The fuel consumption of the water vehicle is improved.

  In the above embodiment, the kill switch is operated by releasing the engagement between the swing rod and the engaging portion to turn off the ignition device. However, the hull and the kill switch of the propulsion device are connected by a cable. When the interlocking device is released, the engine may be turned off by pulling the cable and operating the kill switch.

  The propulsion device of the present invention is suitable for surfboards and windsurfboards.

It is a disassembled perspective view of a water vehicle and a propulsion device, and is a view immediately before mounting the propulsion device on the water vehicle. It is a top view which shows a propulsion device single-piece | unit. It is a side view which shows a propulsion device simple substance. It is a disassembled perspective view between a mounting part and a support plate, and is a disassembled perspective view of the conversion mechanism converted into performing the steering motion of a propulsion device. It is a partially broken perspective view which shows the assembly | attachment state of the conversion mechanism of the propulsion apparatus interposed between the mounting part and the support plate. It is a vertical side view of the principal part of FIG. It is a side view in the state where a propulsion device was attached to a hull. It is a longitudinal cross-sectional view which shows the steering action of a hull, and is the figure which cut the hull middle part longitudinally, and is the figure seen from the front, and is a figure which shows the horizontal straight state of a hull. It is a figure which shows the state which tilts a hull to the left from the state of FIG. 8, and steers a hull to the left. It is a figure which shows the state which tilts a hull to the right from the state of FIG. 8, and steers a hull to the right. FIG. 9 is an explanatory view of engagement and disengagement between the U groove of the swing rod and the pin-like engagement portion, and is a schematic diagram showing the relationship between the swing locus, the U groove, and the engagement portion showing the neutral state of FIG. 8 from the front. FIG. It is a figure which shows other embodiment of this invention, and is a side view of the principal part which made the rocking rod the cross section. FIG. 13 is a plan view of FIG. 12. FIG. 12 is an explanatory diagram of the operation of the embodiment of FIG. 12 and FIG. 13, and is an explanatory diagram of engagement and disengagement of the U groove of the swing rod and the pin-like engagement portion, and shows a neutral state of FIG. It is a schematic diagram which shows the relationship between the rocking locus | trajectory, U groove | channel, and an engaging part. FIG. 5 is a diagram showing an embodiment in which a kill switch for stopping an engine is operated to stop the engine when the propulsion device and the hull are disengaged, and a side view of a main part in a state where the kill switch is not operated. is there. It is a figure of the arrow 16 direction of FIG. FIG. 16 is a diagram in which the kill switch is activated from the state of FIG. 15 and the engine is stopped.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 12 ... The axis | shaft which faced the front-back direction, 18 ... Swing rod (drive part), 20,54 ... Release | release mechanism, 30 ... Conversion mechanism, 50 ... Propulsion apparatus, 60 ... Surfboard which is a water vehicle and a boarding part.

Claims (3)

A water vehicle comprising a boarding part and a propulsion device,
Within the range of inclination of the boarding part, it is an interlocking device in a water vehicle that changes the inclination and thrust direction and obtains a steering effect,
Within a predetermined range of the slope of the boarding section, it has an interlocking mechanism that links the tilt and the steering, and a release mechanism that releases the propulsion device from the movement of the tilt outside the range of the tilt,
An interlocking device characterized by that. The interlock mechanism includes an axis along the front-rear direction of the boarding part, a drive part that moves around the axis in the front-rear direction, a follower part that moves around an axis perpendicular to the axis in the front-rear direction, The interlocking device according to claim 1, further comprising an engaging portion between the driving portion and the driven portion, wherein the release mechanism includes a mechanism for releasing the engagement. In a water vehicle where the thrust direction of the propulsion device is changed by the inclination of the boarding part, steering is performed, and the propulsion device is an engine-driven propulsion device,
An interlocking mechanism that interlocks the tilt and the steering within a predetermined range of the boarding part;
Outside the range of the tilt, the interlocking device having a release mechanism for releasing the propulsion device from the tilt motion,
When the propulsion device is released from the tilting motion of the boarding portion, it is provided with a device for stopping the operation of the engine.
A water vehicle with an engine equipped with an interlocking device.

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