JP3446581B2 - Outboard motor steering structure - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steering structure of an outboard motor for attaching a handle of an outboard motor with a steering wheel. 2. Description of the Related Art Conventionally, an outboard motor is fixed to a hull by a swivel bracket so as to be tiltable, and is attached to the swivel bracket by a steering bracket via a pin so as to be rotatable left and right. A steering handle is provided so that the operator can steer by changing the direction of the outboard motor body (changing the direction of the screw). As shown in FIG. 7, for example, a steering handle a is supported by a handle bracket b with a pin b1 so as not to be obstructed at the time of attachment / detachment, and can be flipped upward from a horizontal front. Has become
The handle bracket b is fastened to the steering bracket c in a column (or a row) with bolts d. In addition,
a1 is a throttle grip. [0004] In the above prior art,
Since the handle is not formed on the handle bracket, the engine lower cover of the outboard motor or the handle bracket is used when the outboard motor is attached to the hull or when the outboard motor is moved manually. However, when the engine lower cover is provided, it has a curved portion at the lower portion of the engine main body, and if the engine lower cover is wet with seawater or rainwater, the hand may slip and the outboard motor may be dropped and damaged. In addition, when the steering wheel bracket is provided, the steering wheel has the vicinity of the center of rotation of the steering wheel, so that there is a problem that it is difficult to carry the steering wheel. [0005] Some handle brackets are provided with a handle for transportation (Japanese Patent Laid-Open No. 6-138798).
No. 56-138798). However, all of the techniques disclosed in the above publications have side handles approaching the port side. Therefore, there is a problem in that when the outboard motor is to be carried and carried at the port side, the steering handle is obstructed and it is difficult to carry. SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a steering structure of an outboard motor that can be easily held by a steering bracket and can be easily transported. And [0007] According to an aspect of the present invention, the steering bracket for supporting the outboard motor body, a handle bracket for connecting and fixing the steering handle, handle bracket, handle-side tip Is lifted
Side view schematic S-shape where the base end on the side of the bracket is lowered
And the base end has a wide shape.
The long holes along the longitudinal direction of the right and left end portions across the central axis along the propulsion direction of the outboard motor body is formed, the outer long holes
A steering structure for an outboard motor, wherein a gripping handle structure having a U-shape that is long in the front-rear direction is formed. According to the present invention, the handle bracket is formed with a handle structure that can be gripped at the left and right ends with the center axis along the direction of propulsion of the outboard motor main body. Can have an outboard motor and is easy to hold. Also, the handle can be held without obstruction. Therefore, when transporting the outboard motor, the outboard motor can be easily supported, and transport can be performed very conveniently. Preferably,
The handle bracket is made of aluminum die-cast, so that higher rigidity and lighter weight can be achieved. Embodiments of the present invention will be described below in detail with reference to the drawings. 1 and 2 are an overall side view and a plan view of an outboard motor according to an embodiment, FIG. 3 is an exploded explanatory view of a steering, and FIGS. 4 (a), (b) and (c) are plan views of a handle bracket. , Side view, bottom view, FIG.
(B) and (c) are cross-sectional views taken along lines AA, BB, and CC in FIG. 4, and FIG. 6 is a cross-sectional view taken along the center line of the outboard motor of the lower cover. As shown in FIGS. 1 and 2, an outboard motor has an engine cover 1 in which an engine (not shown) and accessories are substantially egg-shaped.
0 and the engine cover 1
Drive shaft housing 14 vertically suspended below
A lower case 18 provided at a lower portion of the drive shaft housing 14 and having a wing-shaped cross section to facilitate the steering of the hull and accommodate the rotation shaft of the screw 16; And a steering wheel 20 for supporting the boat to steer.
Reference numeral 12a denotes a recoil starter handle, 12b
Is a fuel tank cap. The steering 20 includes a steering bracket 22 for supporting the outboard motor body 12, a swivel bracket 24 for accommodating a pilot pin (not shown) of the steering bracket 22 in a vertical direction, and a swivel bracket 24 via a shaft. And a clamp bracket 26 that is connected to be vertically swingable. [0012] The steering bracket 2 of the embodiment
2, a handle bracket 30 for connecting and fixing the steering handle 28 is provided with a pair of bolts 31, 31 in the width direction to insert the through holes 31 backward in the traveling direction, as shown in FIG.
a and 31a and fastened and fixed. FIG. 2 illustrates a center axis 32 along the propulsion direction of the outboard motor main body 12. As shown in FIGS. 3 and 4, the handle bracket 30 has a substantially S-shape in a side view in which a handle-side distal end portion 30a is lifted and a steering bracket 22-side base end portion 30b is lowered. At the same time, the handle bracket 30 has a roughly Dharma-like shape in which the distal end portion 30a is narrow and slightly bent to the left and the base end portion 30b is wide in plan view. The base end portion 30b of the handle bracket 30 has, at its left and right portions, long holes 34, 3 along the front-rear direction that are large enough to accommodate at least one finger.
4 have been formed, the outside of the long holes 34, 34 is in the grip portion 36, 36 which can be gripped with one hand caused a long U shape YokoMuko in the front-rear direction. The handles 36, 36
The bracket 30 is formed symmetrically at the left and right ends with respect to the central axis 32, and is formed as a handle structure that can be gripped when the outboard motor is held. The surface of the handle bracket base end portion 30b has a stepped recess 30.
c is formed to improve the strength. In addition, a water drain hole 30d is also formed in the recess 30c. The tip portion 30 of the handle bracket 30
A steering wheel 28 extends forward and is connected to a. The main body of the handle 28 has a hollow case structure having a rectangular cross section, and a cylindrical grip portion 38 that is gripped by an operator is rotatably provided at the handle tip portion 28a. A resin elastic material such as rubber or elastomer is provided on the surface of the grip portion 38 so as to have a spline-shaped uneven surface in the axial direction. Also, as shown in FIG.
Has its axis center 40 inclined at an angle θ (preferably θ = 15 °) with respect to the center axis 32 of the outboard motor main body. As shown in FIG. 3, the handle 28 is rotatably supported by a hinge structure 42 with respect to the handle bracket 30. That is, in the hinge structure 42, the rear end of the handle base end 28 b has a through-hole 44 a along the width direction and is formed to protrude rearward with a through hole 44 a, and the front end 30 a of the handle bracket 30. Notch 4 cut out corresponding to the projection 44
6 has both sides 48 formed with through holes 48a along the width direction on both sides thereof, and bolts 50 serving as pins for inserting the through holes 44a of the protrusions 44 and the through holes 48a of both sides 48 together. . In the hinge structure 42, the protrusions 44 are mounted on the cutouts 46 between the side portions 48, and the bolts 50 are inserted into the through holes 44a and the through holes 48a to assemble. As shown in FIG. 4, a bridge-shaped stopper 46a is formed at the lower end of the notch 46 to connect both sides 48, 48 to each other. This stopper 4
6a, when the handle 28 is oriented in the horizontal direction in a state where the bolt 50 is attached to the handle bracket 30, the projection 28 is supported from below so that the handle 28 does not tilt downward from the horizontal. To support. As described above, the hinge structure 42 is formed so as to rotate the handle 28 between the horizontal direction and the vertical direction. Note that the fastening of the bolt 50
0a is a bearing, 50b is a nut, and 50c is a washer. Also, as shown in FIG.
4 is formed at a position inclined with respect to the axial center 40 of the handle 28, and as shown in FIG. 4, the distal end portion 30a of the handle bracket 30 is also formed inclined with respect to the central axis 32, and both of them are inclined. Thus, the handle 28 is attached to the handle bracket 30 at an angle θ. The handle bracket 30 has a rib formed entirely on the lower surface thereof between the distal end portion 30a and the proximal end portion 30b. That is, as shown in detail in FIG. 4, the handle bracket 30 has a wall-shaped rib (hereinafter referred to as a “side edge rib”) 54 on the entire lower surface including the handle portion 36 and both side portions 48 a, .. Are erected, and connecting ribs 52 for connecting the side edge ribs 54, 54 in the shape of a “ta” are erected and formed. According to the embodiment, the handle bracket 3
In FIG. 0, a handle portion (handle structure) 36 that can be gripped at the left and right ends with the center axis 32 along the propulsion direction of the outboard motor main body formed, so that the outboard motor can be held from either the left or right side. Easy to hold. In addition, not only can the handle 28 be bent by the hinge structure 42 when holding the outboard motor, but also the handle portion 36 is provided at the handle bracket base end portion 30b, so that the handle 28 is not obstructed. Can have. Therefore, when transporting the outboard motor, the outboard motor can be easily supported, and transport can be performed very conveniently. In addition, the handle bracket 30 is provided with a pair of handle portions 36 of a handle structure at the left and right ends with the center axis 32 interposed therebetween, so that the outboard motor is connected to the starboard side (starboard side) and the port side (port side). Can be easily held from any of the above. Also, since the handle portions 36 are provided at the left and right end portions, even a person with weak power (eg, a girl) can use two outboard motors from both sides of the starboard side (starboard side) and the port side (port side). Can have
It can be easily transported. The engine cover 10 of the outboard motor is divided into an upper cover 10u on the upper side and a lower cover 10l on the lower side to enclose the engine. 1 and 6
As shown in FIG. 5, a notch 14a is formed at the upper rear end of the drive shaft housing 14, and an upward recess 56 is formed at the lower rear end of the lower cover 10l. It is extremely easy to hold. Therefore, when carrying the outboard motor, it is easier to hold and handle. The lower side of the front end of the lower cover 101 is connected to the steering bracket 22.
And the handle bracket 30 is formed in a gently arcuate shelf shape so as not to interfere with the handle bracket 30. In order for the driver to steer the boat equipped with the outboard motor, the steering wheel 28 is attached at an angle θ, so that the driver can sit on one side of the hull and use the steering wheel grip 28. Is located on the opposite side. Therefore,
The handle 28 is less likely to come into contact with the operator's body, is not in the way, and is easier to maneuver. In addition, the handle 28 is folded by the hinge mechanism 42 when it is unnecessary, so that the handle 28 is not in the way. The handle bracket 30 has the side edge ribs 54 and the connecting ribs 52, that is, since the ribs are formed on the entire lower surface portion, high rigidity, light weight and rigidity can be achieved at the same time. Can be planned. Preferably, the handle bracket 30 is made of aluminum die-cast to further increase rigidity and reduce weight. Although the preferred embodiment of the present invention has been described in the above embodiment, it is needless to say that the present invention is not limited to this. In the embodiment, the handle portion 36 is used as the handle structure.
Has been mentioned the handle structure of the present invention is not limited to this, for example, asymmetric structures to the left or right, can take various structures. As described above, according to the present invention, the handle bracket is formed with the handle structure which can be gripped at the left and right ends with the center axis along the propulsion direction of the outboard motor body. So you can have an outboard motor from either side and it is easy to hold. Also, the handle can be held without obstruction. Therefore, when transporting the outboard motor, the outboard motor can be easily supported, and transport can be performed very conveniently. The handle bracket has handle structures at the left and right ends of the center axis , so that the outboard motor can be easily held from either the starboard side (starboard side) or the port side (port side). Will be possible. In addition, since the handle structure of the handle bracket is provided at the left and right ends with the center axis interposed, even outboard motors such as girls can use the outboard motor on the starboard side (starboard side) and port side (port side). ) Can be transported by holding it by two people from both sides. Preferably, the handle bracket is made of aluminum die-cast to further increase rigidity and reduce weight.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view of an outboard motor according to an embodiment of the present invention. FIG. 2 is an overall plan view of the outboard motor according to the embodiment. FIG. 3 is an exploded explanatory view of a steering. FIGS. 4A, 4B, and 4C are a plan view, a side view, and a bottom view illustrating a handle bracket in detail. 5 (a), 5 (b) and 5 (c) respectively show A-
It is each sectional drawing which follows the A, BB, and CC line. FIG. 6 is a cross-sectional view of the lower cover of the outboard motor taken along a center line of the outboard motor. FIG. 7 is an explanatory view of a handle structure of a conventional outboard motor. DESCRIPTION OF SYMBOLS 10 Ensin cover 12 Outboard motor main body 20 Steering 22 Steering bracket 28 Handle 30 Handle brackets 30a, 30b Tip and base ends of handle bracket 32 Center axis 36 Handle 40 Handle shaft center 42 Hinge structure 52 Connection Rib 54 side edge rib

Continuation of the front page (56) References JP-A-57-22996 (JP, A) JP-A-8-2489 (JP, A) JP-A-4-218492 (JP, A) JP-A-7-242193 (JP) JP-A-54-146395 (JP, A) JP-A-53-154593 (JP, U) JP-A-62-179899 (JP, U) JP-A-56-138798 (JP, U) Registered utility model 3009739 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B63H 20/12

Claims (1)

(57) [Claim 1] A handle bracket for connecting and fixing a steering handle to a steering bracket supporting an outboard motor main body, the handle bracket being a hand
The steering wheel side base end is lifted up
The lower part is roughly S-shaped when viewed from the side, and the base part is wider.
The base end has a length extending in the front-rear direction at the left and right ends with respect to the center axis along the propulsion direction of the outboard motor body.
A U-shaped hole is formed, and the outside of the long hole is long in the front-rear direction.
A steering structure for an outboard motor, wherein a gripping handle structure having a shape is formed.