JPH0678080B2 - Remote control cable storage structure for outboard motors - Google Patents

Description

The present invention relates to a remote control cable storage structure for an outboard motor.

[Prior Art] Conventionally, in an outboard motor, a cowling for covering an engine is fixed to an upper portion of an outboard motor main body, and a throttle cable and a shift cable for remotely controlling the operation of the outboard motor main body. Connect the remote control cable connection part such as
Some are provided on either the outer or inner surface of the cowling.

[Problems to be Solved by the Invention] By the way, when the connecting portion of the remote control cable is provided on the outer surface of the cowling, although the cable can be easily attached to and detached from the connecting portion, the connecting portion protrudes outward. May damage the appearance and damage the operator.

On the other hand, when the connecting portion of the remote control cable is provided on the inner surface of the cowling, it is difficult to attach or detach the cable to or from the connecting portion, although the connecting portion does not impair the appearance or damage the operator.

INDUSTRIAL APPLICABILITY The present invention enables the remote control cable to be easily attached to and detached from the connecting portion, and the connecting portion spoils the appearance,
It is an object of the present invention to provide a remote control cable storage structure that does not damage the operator.

[Means for Solving the Problems] The present invention has a remote operation device having an internal combustion engine housed in a cowling constituted by a lower cowling and an upper cowling that is attached to and detached from the lower cowling, and is provided outside the cowling. Is connected, the other end is connected to the connecting lever,
Also, in a remote control cable storage structure for an outboard motor, which has a remote control cable extending in the front-rear direction, is arranged in the cowling, and connects the connecting lever to a control mechanism for operating and controlling the outboard motor. A lower cowling and a cover detachably attached to the lower cowling, and a storage chamber that can be opened to the side is formed at a side portion of the lower cowling, and the remote control cable is provided in the storage chamber. The connection part with the connection lever is stored.

[Operation] According to the present invention, there are the following operation effects.

"The connection part of the remote control cable and the connection lever that is connected to the operation control mechanism such as the link mechanism that controls the throttle of the outboard motor or the shift mechanism that controls the shift is stored in the storage room that can be opened to the side of the lower cowling. I did, "so
The remote control cable can be easily attached and detached by removing the small cover that covers the storage chamber without removing the large upper cowling.

"The remote control cable extends in the front-back direction,"
Since the storage portion storing the connection portion can be opened to the side, the remote operation cable can be easily attached and detached without disturbing it.

Since the connecting portion is housed in the storage chamber covered by the cover, the connecting portion does not spoil the appearance or injure the operator.

[Embodiment] FIG. 1 is a side view showing an outboard motor internal combustion engine to which the present invention is applied.

The internal combustion engine 10 is mounted on an upper portion of an outboard motor body 10A attached to a ship, has a crankshaft 11 vertically and three cylinders horizontally, and a carburetor 13 is connected to each cylinder. . A flywheel magnet is attached to one end of the crankshaft 11.
14 is provided, a power generation coil (not shown) and a pulsar coil, for example, as an ignition timing detection unit are provided in the flamag base 15, and the flywheel 16 provided with a permanent magnet rotates to generate electric power and the rotational speed of the engine. The ignition signal is supplied to the ignition device in synchronism with. Reference numeral 17 is a cowling that covers the internal combustion engine 10, and 17A is an outboard motor main body 10A.
The lower cowling 17B fixed to the upper part of the upper cowling is attached to the lower cowling 17A.

The internal combustion engine 10 has a throttle operating device 18. The throttle operating lever 19 forming the throttle operating device 18 is attached to the engine body by a bolt 20 so as to be rotatable. This throttle control lever
As shown in FIG. 2 to FIG.
An end portion of a throttle cable 25 that extends from the remote control device on the ship side and extends in the front-rear direction is connected via a 21, intermediate fan lever 22, a connecting shaft 23, and a connecting lever 24. Throttle operating lever 19 of the throttle operating device 18,
The connecting link 21 and the like correspond to the control mechanism for controlling the outboard motor operation in the present invention. 26 is a protective tube for the throttle cable 25. Here, the connecting shaft 23 is supported by a through hole 27 provided in the lower cowling 17, and
The intermediate lever 22 is fixed to the inner end of A, and the connecting lever 24 is fixed to the outer end of the lower cowling 17A.

On the other hand, the throttle valves of the upper, middle and lower carburetors 13A, 13B, 13C are connected to each other by levers 28A, 28B, 28C and a link 29 so that they can be interlocked to have the same opening degree. A cam follower 30 is provided on a lever 28B integrated with the throttle valve of the middle vaporizer 13B, and the cam follower 30 is adapted to contact the cam surface 31 of the throttle operating lever 19.

As a result, when the remote control device operates the throttle cable 25 and the throttle control lever 19 rotates clockwise in FIG. 1, the lever 28B also rotates clockwise through the contact between the cam surface 31 and the cam follower 30. Move. Therefore, while the throttle valve of the middle vaporizer 13B is opened, the upper and lower vaporizers 13A and 13C are connected via the link 29 and the levers 28A and 28C.
The throttle valve will also be opened in conjunction.

Further, the internal combustion engine 10 has an ignition advance device 32. The operation advance lever 33 forming the ignition advance device 32 is a bolt.
It is attached to the engine body by 20 so as to be rotatable around the same axis as the throttle control lever 19. Here, a mainspring (not shown) is arranged between the throttle operating lever 19 and the advance operating lever 33.

The advance angle control lever 33 is provided with a habit of turning and returning in the clockwise direction (advance angle operation direction) in the figure to the throttle control lever 19 by the mainspring, and the engagement formed on the advance angle operation lever 33. The portion 34 is engaged with the throttle operation lever 19 to restrict the rotation in the clockwise direction (advance angle operation direction).

Further, the advance angle operation lever 33 is provided with an advance angle abutment portion 35 that restricts the advance angle operation end position. The advance angle abutting portion 35 is provided when the advance angle operating lever 33 rotates in the advance angle operating direction and comes into contact with the advance angle side stopper portion 37 provided on the bracket 36 attached to the engine body. , I try not to advance further.

Further, the advance angle operation lever 33 includes a retard angle abutment portion 38 that regulates the retard angle operation end position. In the retarding abutting portion 38, the advance angle operating lever 33 is in the counterclockwise direction in the drawing (the retard angle operating direction)
When it is rotated to abut on the bolt-shaped retard side stopper portion 39 screwed to the bracket 36, it is prevented from further retarding.

An advance angle operation arm 41 is connected to the tip of the advance angle operation lever 33 via a link 40. Advance operation arm 41
Is connected to the Framag base 15 holding the ignition timing detection unit as described above, and the ignition timing can be adjusted to the advance side or the retard side by the rotation of the Flamag base 15 by the operation of the advance operation arm 41. There is.

As a result, when the throttle operating lever 19 rotates clockwise during the throttle opening operation, the advance angle operating lever 33
It rotates together with the throttle control lever 19 to advance the ignition timing. After the advance angle abutment portion 35 provided on the advance angle operation lever 33 contacts the advance angle side stopper portion 37, only the throttle operation lever 19 rotates while flexibly deforming the mainspring.

Further, the internal combustion engine 10 has a forward / reverse switching operation device 42. As shown in FIGS. 2 to 4, the forward / reverse switching device 42 supports the connecting shaft 44 in the through hole 43 provided in the lower cowling 17A, and the end of the connecting shaft 44 located on the inner surface side of the lower cowling 17A. Fix the lever 45 to the lower part and lower cowling 17A
A connecting lever 46 is fixed to the end of the connecting portion 44 located on the outer surface side of the. The forward / reverse switching operation device 42 is the connecting lever.
An end of a shift cable 47, which extends from the remote control device on the ship side and extends in the front-rear direction, is connected to 46.
The lever 45 and the like of the forward / reverse switching device 42 correspond to the control mechanism for controlling the operation of the outboard motor in the present invention. 48 is a protective tube for the shift cable 47. On the other hand, inside the lower cowling 17A, the intermediate rod 5 is provided by bearings 49A and 49B.
0 is rotatably supported, and a connecting link between a turning lever 51 fixed to one end of an intermediate rod 50 and the lever 45.
It is connected by 52. Further, one end of the shift rod 54 is connected to the rotating arm 53 at the intermediate portion of the intermediate rod 50,
The shift rod 54 is disposed inside the outboard motor body 10A and is connected to the shift clutch.

As a result, when the remote control device operates the shift cable 47 and the intermediate rod 50 rotates accordingly, the shift clutch inside the outboard motor body 10A is actuated to rotate the propeller (not shown) forward, neutral, and reverse. It can be switched to either rotation. The shift positions of the intermediate rod 50 are
Forward notch integral with intermediate rod 50, as shown in FIG.
55F, the neutral notch 55N, the reverse notch 55R, and the engagement spring 56 are held by the engagement.

In addition, the rotation lever 51 of the forward / reverse switching device 42 has a sixth
As shown in FIGS. (A) to (C), the base end portion of a fork-shaped control lever 57 is pin-connected, and the fork portion 58 of the control lever 57 is attached to the outer peripheral portion of the connecting shaft 23 of the throttle operating device 18. It is engaged so that it can slide. Here, the control lever 57 includes an engaging spring 59 and is an intermediate lever fixed to the connecting shaft 23.
22 is provided with engaging ribs 60 on the fan-shaped outer surface portion. That is,
When the forward / reverse switching operation device 42 sets the rotary lever 51 and the like to the neutral position and the throttle operation device 18 attempts to open the throttle valve, as shown in FIG. 6 (A),
The end of the engaging rib 60 of the intermediate lever 22 abuts against the engaging screw 59 of the control lever 57 to prevent the throttle valve from being opened beyond a certain opening degree, whereby seizure due to excessive rotation of the internal combustion engine 10 is caused. Prevent. Further, when the throttle operating device 18 opens the throttle valve to the fully open side and the intermediate lever 22 is in the position shown in FIGS. 6 (B) and 6 (C), (a) the forward / reverse switching device 42 moves from the forward position to the neutral position. When switching to the reverse position, as shown in FIG. 6 (B), the engaging screw 59 of the control lever 57 abuts against the inner surface of the engaging rib 60 of the intermediate lever 22, preventing the switching operation, (B) When the forward / reverse switching operation device 42 attempts to switch from the reverse position to the neutral to forward position, the sixth
As shown in FIG. 6C, the engagement screw 59 of the control lever 57 abuts against the outer surface of the engagement rib 60 of the intermediate lever 22 and prevents the above switching operation, which causes the throttle valve to fully open. It is possible to avoid the occurrence of impact due to switching of the propulsion direction of the ship under high rotation of the engine on the side.

Thus, in this embodiment, the lower cowling 17
It is formed by a cover 72 that is detachably attached to the lower cowling 17A at the side of A and can be opened to the side, and the connecting portion between the connecting lever 24 of the throttle operating device 18 and the throttle cable 25, and the front and rear A concave storage chamber 61 for storing a connection portion between the connection lever 46 of the advancement switching operation device 42 and the shift cable 47 is formed. This storage room 61
As shown in FIGS. 2 to 4 and FIG. 7, the support bracket 62 is fixed to the shaft by a threaded rod 63 and a nut 64. The support bracket 62 has a throttle cable 25
Protective tube 26, shift cable 47 protective tube 48
It has a slit 65 to hold each protective tube 2
A small-diameter portion 66 provided in the intermediate portion of 6 and 48 is inserted into the slit 65, and the inserted state can be held by the clamp lever 67. The clamp lever 67 is attached to the support bracket 62.
It is pin-coupled with respect to and opens and closes, and can be locked to the support bracket 62.

The support bracket 62 holds the grommet 68 between it and the lower cowling 17A. The grommet 68 closes the electric cable insertion window 69 provided in the lower cowling 17A and has an insertion groove 71 for inserting the electric cable 70.

Further, in this embodiment, as described above, the detachable cover 72 that covers the storage chamber 61 of the lower cowling 17A is provided. The cover 72 has a shape as shown in FIG. 2, FIG. 7, and FIG.
Locking holes 75 provided on the upper surface of the storage chamber 61 by inserting the three protruding locking portions 74 provided on the upper surface 73A into the inside of 61 (FIG. 3)
And two projection-like locking portions 76 provided on the lower surface portion 73B.
To the locking hole 77 (FIG. 3) provided on the lower surface of the storage chamber 61, and one tongue-shaped locking portion 78 provided on the lower surface 73B is locked to the lower surface of the storage chamber 61. It is locked to the lower cowling 17A while being locked to the portion 79 (Fig. 2). Also, the cover 72
As shown in FIGS. 2 and 7, the fixing state is fixed by screwing the fixing bolt 80 into the support bracket 62.

When the throttle cable 25 and the shift cable 47 are not installed in the storage chamber 61 of the lower cowling 17A, the storage chamber 61
In place of the cover 72, the cover is covered with another cover 81 having a small outward protrusion amount as shown by a chain double-dashed line in FIG.

Next, the operation of the above embodiment will be described.

"Throttle control lever 19 of throttle control device 18,
A link mechanism for controlling the outboard motor such as the connecting link 21 or a connecting lever 24 connected to a shift mechanism for controlling the outboard motor such as the lever 45 of the forward / reverse switching operation device 42.
Storage room 6 that opens the connection part of 46, throttle cable 25, and shift cable 47 to the side of the lower cowling 17A.
Since it is stored in 1, ”the throttle cable 25 and the shift cable 47 can be easily attached / detached without removing the large upper cowling 17B by removing the small cover 72 that covers the storage chamber 61.

"Throttle cable 25 and shift cable 47 extend in the front-rear direction", but since it is possible to open the storage chamber 61 accommodating the connecting part to the side, the throttle cable 25 and shift cable 47 When detaching, it can be easily detached without disturbing it.

A storage room in which the connecting portion between the throttle cable 25, the shift cable 47 and the connecting levers 24, 46 is covered by a cover 72.
Since it is housed in 61, the connecting parts do not spoil the appearance or injure the operator.

[Effects of the Invention] As described above, according to the present invention, the remote operation cable can be easily attached to and detached from the connecting portion, and the connecting portion does not spoil the appearance or injure the operator. A storage structure can be obtained.

[Brief description of drawings]

FIG. 1 is a side view showing an internal combustion engine for an outboard motor to which the present invention is applied, FIG. 2 is a plan view showing an essential part of FIG. 1, and FIG.
FIG. 4 is a side view showing a recess provided in the cowling, FIG. 4 is a sectional view taken along line IV-IV in FIG. 3, and FIG. 5 is VV in FIG.
6A to 6C are schematic views showing the interlocking relationship between the throttle operation device and the forward / reverse switching operation device, and FIG. 7 is a perspective view showing the disassembled state of the essential parts of the present invention. , 8th
The drawing is a sectional view taken along the line VIII-VIII in FIG. 10 ... Internal combustion engine, 10A ... Outboard motor body, 17A ... Lower cowling, 17B ... Upper cowling, 18 ... Throttle control device, 24 ... Connecting lever, 25 ... Throttle cable, 42
…… Forward / reverse switching operation device, 46 …… Coupling lever, 47 …… Shift cable, 61 …… Storage chamber, 72,80 …… Cover.

Claims (1)

[Claims] 1. An internal combustion engine is housed in a cowling composed of a lower cowling and an upper cowling which is attached to and detached from the lower cowling, and one end of which is connected to a remote control device provided outside the cowling, and the other end of which is connected. A remote control cable that is connected to the lever and that has a remote control cable that extends in the front-rear direction and that is arranged in the cowling and that connects the connection lever to a control mechanism that controls the operation of the outboard motor. In the operation cable storage structure, a storage chamber that is formed by a lower cowling and a cover that is detachably attached to the lower cowling and that can be opened toward the side is formed at a side portion of the lower cowling, and in the storage chamber, A remote control cable storage structure for an outboard motor, characterized in that a connection portion between the remote control cable and the connection lever is stored.