JPH0569889A - Cowling mounting/demounting device for marine propeller - Google Patents

Abstract

PURPOSE:To provide a cowling mounting/demounting device for a marine propeller wherein operability for mounting/demounting a cowling is improved. CONSTITUTION:A lever 11 turned with a pin 9 serving as the center is provided on an upper side of a top cowl 5 to transmit operating force of this lever to a lock mechanism 18 through a cable 14. The lock mechanism comprises the first guide case in a side of the top cowl, second guide case in a side of a bottom cowl 7 and a plunger 25 slid in both the cases, and the operating force of the operating lever 11 is transmitted to the plunger through the cable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cowling attachment / detachment device for a ship propulsion device, and more particularly to improvement of the installation location of an operating mechanism for operating a lock mechanism.

[0002]

2. Description of the Related Art A conventional cowling attachment / detachment device for a ship propulsion device has a clamp as a lock mechanism for locking the upper and lower cowlings and an opening / closing lever as an operation mechanism for opening / closing the clamp. This open / close lever was installed at the approximate boundary between the top and bottom cowls on the propeller side behind the outboard motor.

Therefore, conventionally, when unlocking the top cowl and the bottom cowl, one weight is supported by the upper part of the top cowl of the outboard motor to support the weight, and the other hand is rotated behind the outboard motor. I was operating the open / close lever.

[0004]

However, in the above-mentioned conventional example, when operating the opening / closing lever, it is necessary to maintain the balance of the body, and it is necessary to perform the operation while the upper half of the body is outboard. There was a problem that the operability of attaching and detaching the cowling was low.

Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to provide a cowling attaching / detaching device for a boat propulsion machine which has improved operability for attaching / detaching the cowling. To provide.

[0006]

In order to achieve such an object, the present invention provides a lock mechanism for locking a top cowl and a bottom cowl, and an operation mechanism for performing at least a lock release operation on the lock mechanism, In a cowling attachment / detachment device for a boat propulsion machine, the operating mechanism is provided on the top cowl and the lock mechanism is interlocked with the operating mechanism.

[0007]

In the present invention, since the operation mechanism is provided on the upper portion of the top cowl and the lock mechanism is interlocked with the operation mechanism, the operation mechanism can be easily reached, and the outboard can be easily attached to and detached from the cowling. It is not necessary to take an unstable posture such as leaning out the upper half of the body, and as a result, the operability for attaching and detaching the cowling can be greatly improved.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described based on the embodiments shown in the drawings.

In FIG. 8, the outboard motor 1 is attached to the stern plate 62a of the hull 62 via a clamp bracket 63. More specifically, the swivel bracket 65 is rotatably attached to the clamp bracket 63 around the tilt shaft 64, and the drive unit 66 of the outboard motor 1 is connected to the swivel bracket 65. 67
Is an engine unit, and 68 is a propeller unit. Then, the swivel bracket 65 is tilted up or down by the tilt cylinder 69, and the swivel bracket 65 is moved to the two trim cylinders 70,
Adjust the trim with 70. Reference numeral 71 denotes a steering bracket, which is a drive unit 66 with respect to the swivel bracket 65 around a steering shaft (not shown).
And turn the steering wheel.

FIG. 1 shows an essential part of an embodiment of a cowling attaching / detaching device for an outboard motor according to the present invention. And FIG.
FIG. 1 shows an exploded perspective view of this attachment / detachment device.
The engine unit 67 is covered with a bottom cowl 7 and a top cowl 5 mounted on the bottom cowl 7 via a seal body 33. An air duct 80 for taking in air into the cowling is formed behind the top cowl 5, and the air duct molding 3 is fixed above the opening of the air duct. A part of the air duct molding 3 is cut out, and a lever 11 as an operation mechanism 8 is attached to the cut out part. As shown in FIG. 3, which is a cross-sectional view taken along the line III-III of FIG. On the other hand, it is rotatably supported around the pin 9.

The cable 14 shown in FIG. 2 functions as a means for transmitting the movement of the lever 11 to a lock mechanism described later. The operation cable 14 has a wire cable 13 inserted through a cable cover 15, and cylindrical fixed ends 16 and 17 are provided at both ends of the wire cable 13.
Are connected. And the cable cover 1
5, a threaded pipe 21 is continuously provided, and a pair of nuts 19 are screwed into the threaded pipe 21.

As shown in FIG. 1, the cable 14 penetrates the top cowl 5 through the hole 5a (FIG. 2), and the fixed end 16 of the upper portion of the wire cable 13 is connected to the rear surface of the lever 11. It is held by the hook 12. Here, the pair of nuts 19 of the cable cover 15 are the top cowl 5
It is screwed into the screw tube 21 so that the cable cover 15 is sandwiched, and thus the cable cover 15 can be fixed to the top cowl without rattling.

After passing through the top cowl 5, the cable 14 is bent into a substantially L shape, descends along the inner wall of the top cowl 5, and is fixed to the inner wall of the top cowl by a cable clamp 23.

Next, a lock mechanism for locking the top cowl 5 and the bottom cowl 7 will be described. This locking mechanism 18 is taken along the line IV-IV in FIGS.
As also shown in FIG. 1, the first guide case 29 fixed by rivets to the inner wall of the top cowl 5 near the boundary with the bottom cowl 7 and the first guide case 29 protruding from the bottom cowl 7 side toward the top cowl side. The second guide case 35 and the first
And a plunger 25 slidable in the guide case 29. The first guide case 2
9 and the second guide case 35 are respectively installed at positions where both the guide cases are adjacent to each other when the top cowl 5 and the bottom cowl 7 are joined.

Then, the end portion of the cable cover 15 is fixed in the first guide case 29, and the wire cable 13 projecting from the end portion is connected to the plunger 25.
More specifically, the hole 2 is formed inside the plunger 25.
4 is provided, and the fixed end 17 of the wire cable 13 is fitted into the hole 24 through the pore 26 of the plug. The end of the plunger 25 and the first guide case 29
A spring 27 is interposed between the inner wall 32 and the inner wall 32 and urges the plunger 25 toward the second guide case 35 side. Furthermore, the tip shape of the plunger 25 is
The lower surface is formed in a tapered shape so as to incline upward toward the tip. In the locked state, as shown in FIG. 4, the tip of the plunger 25 is inserted into the second guide case 35 by the spring 27 biasing the plunger 25. As a result, plunger 2
Since 5 can be bridged over the first and second guide cases 29, 35, the top cowl 5 and the bottom cowl 7 can be locked.

Next, the attachment / detachment of the top cowl 5 and the bottom cowl 7 in this embodiment will be described. Immediately before mounting the top cowl 5 on the bottom cowl 7, the plunger 25 and the second case 35 are in the disengaged state as shown in FIG. When the top cowl 5 or the upper portion of the air duct molding 3 is pressed downward in this state, the tapered lower surface of the plunger 25 comes into contact with the left upper end portion 35a of the second guide case 35, as shown in FIGS. While sliding, the plunger 25 is pushed into the first guide case 29 against the biasing force of the spring. Then, the first guide case 29 and the second guide case 3
When 5 and 5 are aligned on the same axis, the plunger 25 projects toward the second guide case 35 side by the bias of the spring 27, and the tip of the plunger 25 is inserted into the second guide 37 (FIG. 7). .. As a result, since the plunger 25 is bridged to both the first guide case 29 and the second guide case 35, the top cowl and the bottom cowl are locked, and the fixing of the top cowl 5 and the bottom cowl 7 is completed. ..

In this locked state, the plunger 2
Since the upper surface of 5 is flat, even if a force in the direction of separating the top cowl and the bottom cowl acts, the plunger 25
The upper surface of the second guide case 35 contacts the upper surface of the second guide case 35 to maintain the locked state of the top cowl 5 and the bottom cowl 7.

Next, the top cowl 5 and the bottom cowl 7
The operation of leaving from will be described. In this case, first, the lever 11 is rotated upward about the pin 9 as shown by the alternate long and short dash line in FIG. The operating force of the lever 11 is sequentially transmitted to the fixed end 16 fixed to the back side of the lever 11, the wire cable 13, and the other fixed end 17, and the fixed end 17 causes the plunger 25 to move to the spring 27.
It is slid to the base end side of the first guide case 29 against the urging force of, and the engagement state between the plunger 25 and the second guide case 35 is released. As a result, the lock between the top cowl 5 and the bottom cowl 7 is released. In this state, the top cowl 5 can be removed from the bottom cowl 7 by putting a hand in the opening (not shown) for holding at the rear of the air duct molding 3 and pulling it toward the front side. Therefore, by pulling the air duct molding 3 toward you while pulling the lever 11, the top cowl 5
Can be easily removed.

According to this embodiment, the lever 11 for operating the lock mechanism 18 is located at the upper portion on the side of the top cowl 5, and the operating force of the lever 11 is transmitted to the lock mechanism via the cable 14. , Outboard motor 1 as before
It is possible to easily remove the top cowl 5 from the bottom cowl 7 without having to lean out the upper half of the body behind. Further, the top cowl 5 and the bottom cowl 7 can be easily locked by simply pressing the top cowl 5 toward the bottom cowl 7 side.

The operating mechanism of the present invention is not limited to the lever as in the above embodiment. It suffices for the operating mechanism to be in an easily accessible upper portion (including the upper side surface and the upper front surface portion). In the above-described embodiment, the one in which the operating force of the lever 11 as the operation unit is mechanically transmitted to the lock mechanism has been described. However, the lock mechanism is electrically operated such as an electromagnetic lock, and It may be transmitted to the lock mechanism by electric means.

[0021]

As described above, according to the present invention, the operation mechanism is provided on the upper portion of the top cowl and is interlocked with the lock mechanism, so that the operability for attaching and detaching the cowling can be improved. There is.

[Brief description of drawings]

FIG. 1 is a schematic view showing an embodiment of a cowling attaching / detaching device for a boat propulsion device according to the present invention.

FIG. 2 is an exploded perspective view of an attachment / detachment device that is a main part of FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a cross-sectional view of the lock mechanism unit according to the present invention in an unlocked state.

FIG. 6 is a cross-sectional view of the lock mechanism portion according to the present invention in a state immediately before lock setting.

FIG. 7 is a cross-sectional view of the lock mechanism unit according to the present invention when lock setting is completed.

FIG. 8 is a side view showing the entire outboard motor to which the cowling attaching / detaching device according to the present invention is applied.

[Explanation of symbols] 1 Outboard motor 5 Top cowl 7 Bottom cowl 8 Operating mechanism 18 Lock mechanism 11 Lever 14 Cable 25 Plunger 27 Elastic spring 29 First guide case 35 Second guide case

Claims (1)

[Claims] 1. A cowling attaching / detaching device for a boat propulsion apparatus, comprising: a lock mechanism for locking a top cowl and a bottom cowl; and an operation mechanism for unlocking at least the lock mechanism. A cowling attachment / detachment device for a boat propulsion device, which is provided on an upper portion of a cowl and has the lock mechanism interlocked with the operation mechanism.