JP2003155855A - Ignition key construction for motorcycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ignition key construction for a motorcycle by making the ignition key compact during the use without the ignition key disturbing a rider when he is getting on and off or without turning the ignition key when the rider's leg hits the key. SOLUTION: A grip portion 48b as a separate body is provided for a mascot 48B placed to an end portion of the ignition key 48 of the motorcycle for starting or stopping the engine by inserting the key to a key groove and turning it, and the grip portion 48b is journalized in a foldable manner in both right and left directions perpendicular to the turning shaft direction of the ignition key 48 thereby forming the ignition key construction for the motorcycle.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ignition key structure for a motorcycle, which is inserted into a keyway and turned to start or stop an engine.

[0002]

2. Description of the Related Art For example, in a scooter type motorcycle, a main switch is disposed above a leg shield below a handle, and an ignition key is inserted into a key groove of the main switch and turned to start or stop an engine. Is being done.

[0003]

However, in the conventional ignition key, since the grip portion of the mascot provided at the end of the ignition key is integral with the key portion, when the ignition key is inserted in the main switch, for example, In the case of a scooter type motorcycle, the mascot of the ignition key is projected from the leg shield in the direction of the rider. Contrary to this, there was a possibility that problems such as engine stop would occur.
In particular, in a motorcycle in which the axial distance between the front wheels and the rear wheels is shortened in order to reduce the weight and size, the space for the rider's legs becomes narrow, and the above problem becomes remarkable.

The present invention has been made in view of the above problems, and its object is to make the ignition key compact during use so that the ignition key does not interfere with the rider's entry and exit. It is an object of the present invention to provide an ignition key structure for a motorcycle in which the leg does not rotate even if the leg hits the ignition key.

[0005]

In order to achieve the above object, the invention according to claim 1 is provided at an end of an ignition key of a motorcycle in which the engine is started or stopped by inserting it into a key groove and turning the key groove. The mascot is provided with a grip portion separately, and the grip portion is pivotally supported so as to be bendable in both left and right directions orthogonal to the rotation axis direction of the ignition key, thereby forming an ignition key structure of a motorcycle.

A second aspect of the present invention is characterized in that, in the first aspect of the invention, a click feeling is imparted to the bending operation of the grip portion by the concavo-convex fitting.

Therefore, according to the first aspect of the invention, when the rider's leg seated on the seat hits the grip portion of the ignition key, the grip portion moves in either the right or left direction orthogonal to the direction of the rotation axis of the ignition key. Because it bends,
The ignition key is made compact so that the ignition key does not disturb the rider's entry and exit,
Further, the ignition key does not rotate and the engine does not stop against the rider's will.

According to the second aspect of the present invention, since a click feeling is imparted to the bending operation of the grip portion due to the concavo-convex fitting, the grip portion can be held in a folded state by being bent by 90 °, for example. it can.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a side view of a scooter type motorcycle 1, in which a head pipe 2 is located in the upper front portion of the vehicle body of the scooter type motorcycle 1 shown in the figure, and a steering shaft 3 is provided in the head pipe 2. It is inserted rotatably. A steering wheel 4 is attached to the upper end of the steering shaft 3, and a front fork 5 is attached to the lower end of the steering shaft 3.
A front wheel 6 is rotatably supported at the lower end of the.

A down tube 7 extends obliquely downward from the head pipe 2 toward the rear of the vehicle body, and is bent and extends substantially horizontally toward the vehicle body. From this, a pair of left and right back stays 8 branch off and extend obliquely upward toward the rear of the vehicle body.

By the way, the head pipe 2, the down tube 7 and the like at the front of the vehicle body are covered with a front cover 9 made of resin, and the rear half of the front cover 9 constitutes a leg shield 10 also made of resin. There is.

Further, a tandem type seat 11 is arranged behind the handle 4, and a low-level seat formed by a resin foot board 12 (see FIG. 2) is provided between the seat 11 and the handle 4. A floor type footrest 13 is provided. A fuel tank 14 is arranged in the space below the footrest 13. In the scooter-type motorcycle 1 according to the present embodiment, the axial distance between the front wheel 6 and the rear wheel 18 is set shorter than a normal value in order to make the vehicle lightweight and compact, and the seat 10 has the front end of the vehicle body cover 25. It projects more toward the front of the vehicle (see FIG. 2).

A unit swing type engine 15 as a power unit is provided behind the footrest 13 and below the seat 11.

The unit swing type engine 15 is arranged on the left side of the vehicle body, and this is an engine 16 as a drive source.
And a transmission case 17 including a V-belt type automatic transmission (not shown) and a speed reduction mechanism are integrally formed. The transmission case 17 extends from the left side of the vehicle body of the engine 16 to the rear side of the vehicle body.
A rear wheel 18 is rotatably supported at its rear end. An air cleaner 19 is attached to the upper portion of the transmission case 17, and an intake pipe 20 extending from the air cleaner 19 toward the front of the vehicle body is connected to the intake system of the engine 16, and a carburetor 21 is provided in the middle thereof. ing.

The unit swing type engine 15 having the above construction is vertically swingably supported by an engine suspension bracket 22 fixed to the back stay 8 through a link mechanism 23, and its rear end is a rear wheel. It is supported by the back stay 8 together with 18 via a rear cushion 24.

On the other hand, a portion of the vehicle body below the seat 11 is covered with a resin body cover 25, and the unit swing type engine 15 in the body cover 25 is covered.
A storage box 26 having an open upper surface is attached to the backstay 8 via front and rear cross members 27 and 28. The storage box 26 extends over the entire length of the seat 11 to ensure a large capacity, and as shown therein, a half-cap type helmet H1 and a full-face type helmet H2 can be stored at the same time. You can And this storage box 2
The seat 11 is supported on the seat 6, and the front end of the seat 11 pivots up and down around a hinge 29 to open and close the storage box 26. The left and right back stays 8 are provided with a cross member 30 in addition to the cross members 27 and 28. The cross members 27 and 28 are provided with the grab bar 3.
1 is attached.

By the way, in the scooter type motorcycle 1 according to the present embodiment, a small capacity sub tank 32 is provided on the left side of the head pipe 2 in the space surrounded by the front cover 9 and the leg shield 10 at the front of the vehicle body. The sub-tank 32 is connected to the large-capacity fuel tank 14 through a flexible fuel hose 33.

A fuel pump 43 is attached to the cross member 30 via a stay (not shown) below the front portion of the seat 11 and near the front end of the storage box 26 covered with the vehicle body cover 25. It is arranged. A negative pressure hose 44 extending from the intake system of the engine 16 is connected to the fuel pump 43.
Driven by the pulsation of the intake pressure, the fuel is sucked from the fuel tank 14 through the fuel hose 45 to increase the pressure of the fuel, and this fuel is supplied to the carburetor 21 through the fuel hose 46 to be used for forming the air-fuel mixture. The air-fuel mixture formed in the carburetor 21 is supplied to the engine 16 of the unit swing type engine 15 for combustion.

The details of the ignition key structure according to the present invention will be described with reference to FIGS. Incidentally, FIG.
4 is a right side view of the front part of the scooter type motorcycle, FIG. 3 is a front view of the leg shield part of the scooter type motorcycle, and FIG.
Is a front view of the ignition key inserted in the main switch, FIG. 5 is a side view showing a bent state of a grip portion of the ignition key, and FIG. 6 is a sectional view taken along the line AA of FIG.

As shown in FIGS. 2 and 3, a main switch 47 is arranged on the right side of the upper right side of the leg shield 10 below the handle 4, and an ignition key 48 is provided in a key groove (not shown) of the main switch 47. The engine 16 (see FIG. 1) by plugging in and turning it
Can be started or stopped.

In FIG. 3, 55 is a screw for attaching the leg shield 10 to the vehicle body frame, and 56 is an oil supply lid provided on the upper left side of the leg shield 10. Further, on the right side of the leg shield 10 and directly below the main switch 47, a maintenance lid 57 that is attached and detached when the battery 59 is replaced is provided. An opening 58 used for stamping is formed. Here, as shown in FIG. 2, in order to secure the capacity of the battery 59, the cylinder portion of the main switch 47 is arranged so as to be inclined downward toward the front of the vehicle body.

By the way, the ignition key 48 is used.
As shown in FIG. 4, a resin mascot 48B is provided at the end of the metal key portion 48A inserted into the key groove of the main switch 47.

Here, the mascot portion 48B is formed in an elliptical plate shape, and the base portion 4 fixed to the key portion 48A.
8a has a grip portion 48b which is a separate body from the base portion 48a.
A shaft 9 is supported by 9 so as to be bendable in both left and right directions (front side and back side in FIG. 4) orthogonal to the rotation axis direction of the ignition key 48.

Then, as shown in FIG. 6, the grip portion 4 of the base portion 48a of the mascot 48B of the ignition key 48 is shown.
The end face which is in contact with 8b is formed into an arcuate curved surface, and a hemispherical concave portion 50 is formed at the center of the end face.
Similar recesses 51 and 52 are formed on both surfaces of the same.

On the other hand, a hemispherical projection 48c is provided at the end of the grip 48b in contact with the base 48a.
c selectively fits into the recesses 50 to 52 formed in the base portion 48a to give a click feeling to the bending operation of the grip portion 48b.

Thus, in the scooter-type motorcycle 1 according to the present embodiment, the ignition key 48 is in a state shown in FIG. 3 in a side view (see FIG. 5 (a in a plan view) when the engine 16 is being driven. )), And at this time, the convex portion 48c provided on the grip portion 48b is the base portion 48a.
Engaging with a recess 50 formed on the end surface of the
8b is in a straight line with the key portion 48A and is on the same plane.

In the above state, the leg of the rider seated on the seat 11 is mascot 4 of the ignition key 48.
When the grip portion 48b of 8B is hit from the right direction, for example, the grip portion 48b rotates rightward about the shaft 49, and at this time, the convex portion 48c of the grip portion 48b is separated from the concave portion 50 and circles of the base portion 48a. When the convex end 48c rolls along the arcuate end face and the convex part 48c engages with the concave part 51, the grip part 48b turns 90 ° to the right and is bent at a right angle to the right as shown in FIG. 5 (b). Held in a state.

Further, when the rider's leg hits the grip 48b of the mascot 48B of the ignition key 48 from the left side in the state shown in FIG.
It rotates to the left around 9 and at this time, the grip 48
The convex portion 48c of b is separated from the concave portion 50 and rolls on the arcuate end surface of the base portion 48a, and when the convex portion 48c engages with the concave portion 52, the grip portion 48b rotates 90 ° to the left, and FIG. (C)
As shown in, it is held in a state of being bent at a right angle to the left.

As described above, even if the rider's leg hits the grip portion 48b of the mascot 48B of the ignition key 48, the grip portion 48b rotates about the shaft 49 and is bent at right angles in any of the left and right directions. The ignition key 48 at the time of use is made compact, and the ignition key 48 does not hinder the rider from getting on and off the vehicle.

The rider's legs are also in the ignition key 4.
Even if it hits the grip portion 48b of the mascot 48B of No. 8, since the grip portion 48b is bent in both the left and right directions orthogonal to the rotation axis direction of the ignition key 48, the ignition key 48 does not rotate, and the engine 16 against the rider's will. There will be no troubles such as stoppage.

Although the present embodiment has been described with respect to a mode in which the present invention is applied particularly to the ignition key of a scooter type motorcycle, the present invention is similarly applied to the ignition key of any other motorcycle. Of course, it is applicable.

[0033]

As is apparent from the above description, according to the present invention, the mascot provided at the end of the ignition key of the motorcycle in which the engine is started or stopped by inserting the key groove and turning the key groove. Since the grip part is provided separately and the grip part is pivotally supported so that it can be bent in both left and right directions orthogonal to the rotation axis direction of the ignition key, the ignition key structure of the motorcycle is configured, so that the ignition key during use can be made compact. It is possible to obtain an ignition key structure for a motorcycle, in which the ignition key does not hinder the rider from getting on and off, and the rider's leg does not rotate even when the leg hits the ignition key.

[Brief description of drawings]

FIG. 1 is a side view of a scooter type motorcycle.

FIG. 2 is a right side view of a front portion of a scooter type motorcycle.

FIG. 3 is a front view of a leg shield portion of a scooter type motorcycle.

FIG. 4 is a front view of an ignition key inserted in a main switch.

FIG. 5 is a side view showing a bent state of a grip portion of an ignition key.

6 is a cross-sectional view taken along the line AA of FIG.

[Explanation of symbols]

1 Scooter type motorcycle (motorcycle) 16 engine 48 ignition key 48A key part 48B Mascot 48a base 48b grip 48c convex 49 axes 50-52 recess

Claims (2)

[Claims] 1. A grip is provided separately from a mascot provided at an end of an ignition key of a motorcycle, which is inserted into a key groove and is turned to start or stop an engine, and the grip is provided with the ignition key. An ignition key structure for a motorcycle, which is pivotally supported so that it can be bent in both left and right directions orthogonal to the rotation axis direction. 2. A click feeling is imparted to the bending operation of the grip portion by the concave and convex fitting.
The ignition key structure of the motorcycle described.