JPH0899676A - Handle bar fitting device for straddle type vehicle - Google Patents

Abstract

PURPOSE: To enable the assembly of a floating type handle bar without needing special attentiveness and prevent the handle bar from being distorted in relation to a front fork by external force. CONSTITUTION: Handle bar holders 23L, 23R are constituted of a lateral pair of lower holders 24L, 24R provided at the upper end part of a front fork through floating members 32, and upper holders 26 fixed being adjusted to the upper side of the lower holders 24L, 24R. A handle bar is clamped by the handle bar holders 23L, 23R. In such a handle bar fitting device 22, the lateral lower holders 24L, 24R are formed integrally.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handlebar mounting device for fixing a handlebar to an upper end portion of a front fork in a riding type vehicle such as a motorcycle.

[0002]

2. Description of the Related Art Conventionally, as a handlebar mounting device of this type, there is a structure shown in FIG. In this handlebar attaching device 100, a pair of left and right handlebar holders 102 are provided on an upper bracket 101 located at an upper end portion of a front fork. These handlebar holders 102 are a lower holder 103 and an upper holder 10, respectively.
It is configured in a clamp shape consisting of 4 and.

The lower holder 103 and the upper bracket
Floating member 10 made of elastic material such as rubber
5, the lower holder 103 is floatingly fixed to the upper bracket 101 using a bolt 106 and a nut 107. Then, a handle bar (not shown) is clamped between the lower holder 103 and the upper holder 104, and a total of four bolts 108 connect the left and right upper holders 104 to the lower holder 103.
Fixed to.

In this way, the lower holder 103 is attached to the floating member 105.
Since the engine vibration from the vehicle body is absorbed by the floating member 105 and is not transmitted to the handlebars by being provided in the upper bracket 101 via the vehicle through the above, it is possible to greatly improve the riding property of the straddle-type vehicle.

[0005]

However, since the lower holder 103 is fixed to the upper bracket 101 in a floating manner, when the lower holder 103 is attached to the upper bracket 101, the floating member 105 is bent and the lower holder 103 is bent. May be attached to the upper bracket 101 in a tilted or rotated state. Then, if the handlebar is clamped as it is, there is a concern that the handlebar 110 and the upper bracket 101 may not be kept parallel as shown in FIG.

In FIG. 7, for example, the left handlebar holder 102 tilts forward and rotates rightward, and the right handlebar holder 102 tilts rearward and also rotates rightward to the upper bracket 101. Since it has been fixed, the handlebar 110 is twisted and fixed to the right side with respect to the upper bracket 101.
In order to avoid such a situation, great care must be taken when fixing the lower holder 103 to the upper bracket 101, which leads to deterioration of vehicle body assembling property.

Even if the handlebar holder 102 is provided on the upper bracket 101 in a correct posture, an external force is applied to the handlebar 110 and the handlebar holder 102 is rotated when the overriding vehicle falls, for example. As shown in FIG. 7, the handlebar 110 may be twisted with respect to the upper bracket 101.

The present invention has been made in order to solve such a problem, and a floating handlebar can be assembled without requiring special attention, and the handlebar can be acted upon by an external force. It is an object of the present invention to provide a handlebar mounting device for a riding type vehicle that does not twist.

[0009]

In order to achieve the above object, a handlebar mounting device for a riding type vehicle according to the present invention is a pair of left and right lower holders provided on the upper end of a front fork via a floating member. And an upper holder that is fixed to the upper side of the lower holder to form a handlebar holder, and in the handlebar mounting device for a straddle-type vehicle in which the handlebar is clamped to the handlebar holder, the lower holder The left and right are integrated.

[0010]

According to such a handlebar mounting device for a riding type vehicle, since the left and right lower holders are integrally formed, the left and right handlebar holders are individually inclined or rotated by the bending of the floating member. It is always attached in parallel to the upper end of the front fork. Therefore, the floating handlebar can be assembled without requiring special attention, and the vehicle body assembling property is significantly improved.

Further, even if an external force is applied to the handlebar, the left and right handlebar holders do not move relative to each other, and the parallel state of the handlebar holders is maintained, so that the handlebars are attached to the front fork. There is no risk of twisting.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a left side view of a motorcycle showing an example of a riding-on type vehicle provided with a handlebar mounting device according to the present invention.

A front fork 4 is rotatably supported by a head pipe 3 provided on a forehead of a vehicle body frame 2 of the motorcycle 1 so that the front fork 4 is supported on a lower end portion of the front fork 4. A steering handlebar 6 is fixed to the upper end of the front fork 4. On the other hand, a swing arm 8 is vertically rotatably supported on a pivot shaft 7 provided in the lower center of the vehicle body frame 2, and a rear wheel 9 is supported on a rear end of the swing arm 8.

An engine 11 is provided in the first half of the body frame 2.
Is mounted, and its output is via the chain 12 to the rear wheel 9
Be transmitted to. A fuel tank is located above the engine 11.
13 is installed, and a seat 14 is placed on the rear part of the seat 13.

FIG. 2 is a perspective view of the front fork 4. The front fork 4 is provided with a pair of left and right expandable left and right fork tubes 16L and 16R. The upper and middle portions of these fork tubes 16L and 16R are clamped by the upper bracket 17 and the lower bracket 18, respectively, and are parallel to each other. It is fixed. A steering shaft 19 is installed between the upper bracket 17 and the lower bracket 18, and the steering shaft 19 is pivotally supported by the head pipe 3 of the vehicle body frame 2.

An axle clamp 20 is provided below the fork tubes 16L and 16R, and the axle of the front wheel 5 is fixed to the axle clamp 20. Therefore, the shock of the front wheel 5 which vertically swings when the motorcycle 1 travels is absorbed by the expansion and contraction of the fork tubes 16L and 16R.

A handlebar mounting device 22 for fixing the handlebar 6 to the upper end of the front fork 4 is provided on the upper surface of the upper bracket 17. Figure 3
4 and FIG. 4 are an exploded perspective view and a plan view of the handlebar attaching device 22, respectively, and FIG. 5 is a sectional view taken along the line VV of FIG.

The handlebar attaching device 22 includes a pair of left and right handlebar holders 23 provided on the upper bracket 17.
Equipped with L and 23R, these handlebar holders 23
L and 23R are lower holders 24L and 24R that are floatingly fixed to the upper bracket 17, and lower holders 24L and 24R.
Aligned to the upper side of the lower holder 24 with two bolts 25
The upper holder 26 is fastened to L and 24R.

Here, the left and right lower holders 24L, 24R are integrally formed via a connecting portion 27, and the lower holder 24
A semi-cylindrical clamp recess 28 is provided on the mating surface between the L and 24R and the upper holder 26, and a bolt insertion hole 29 is formed in the lower holders 24L and 24R.

As shown in FIGS. 3 and 5, the upper bracket 17 is provided with two mounting holes 31 which are inclined rearward, and the floating members 32 are fitted into the mounting holes 31 from both front and back sides of the upper bracket 17. To be done. These floating members 32 are, for example, metal cup bodies 33 to which a rubber cushion 34 having a substantially mountain-shaped cross section is fixed, and a bolt hole 35 is formed at the center of each floating member 32. There is.

The lower holders 24L and 24R are placed on the floating member 32 provided on the upper side of the upper bracket 17, and the bolt insertion holes 29 of the lower holders 24L and 24R and the bolt holes 35 of the upper and lower floating members 32 are placed. A bolt 36 is inserted from above into the nut, and a washer 37 is inserted between the other end of the bolt 36 and the nut.
38 is tightened.

Therefore, the lower holders 24L and 24R are floatingly fixed to the upper bracket 17 via the floating member 32 without directly touching the upper bracket 17.
Since the handlebar 6 is fixed by being sandwiched between the lower holders 24L and 24R and the clamp recess 28 of the upper holder 26,
The handlebar 6 also floats, and engine vibration from the vehicle body is absorbed by the floating member and is not transmitted to the handlebar 6.

In the present invention, the left and right lower holders 24L, 24R
The lower holder 24
When attaching L and 24R to the upper bracket 17, the left and right lower holders 24L and 24R do not individually tilt or rotate due to the bending of the floating member 32, and the handlebar holders 23L and 23R are always parallel to each other. It is attached to the bracket 17. Therefore, the floating handlebar 6 can be assembled without requiring special attention, which greatly improves the vehicle body assemblability.

Further, even if an external force is applied to the handlebars 6, the left and right handlebar holders 23L and 23R do not move relative to each other, and the parallel state of the handlebar holders 23L and 23R is maintained. There is no risk of the bar 6 twisting with respect to the front fork 4.

In this embodiment, the left and right lower holders 24
Although L and 24R are integrally molded with the connecting portion 27, for example, the connecting portion 27 is formed separately from the lower holders 24L and 24R, and is fixed to the lower holders 24L and 24R with bolts or the like. Good.

[0026]

As described above, the handlebar mounting device for a riding type vehicle according to the present invention has a pair of left and right lower holders provided on the upper end of the front fork via floating members, and the lower holders. In the handlebar mounting device of a straddle-type vehicle in which an upper holder that is aligned and fixed to the upper side of the handlebar holder constitutes a handlebar holder, and the handlebar is clamped to the handlebar holder, the lower holder is integrally formed on the left and right sides. It is characterized by having done.

When the left and right lower holders are integrally formed in this way, the left and right handlebar holders do not individually tilt or rotate due to the bending of the floating member, and the upper and lower end portions of the front forks are always parallel to each other. It is attached. Therefore, the floating handlebar can be assembled without requiring special attention, and the vehicle body assembling property is significantly improved.

Further, even if an external force is applied to the handlebars, the left and right handlebar holders do not move relative to each other and the parallel state of the handlebar holders is maintained, so that the handlebars are attached to the front fork. There is no risk of twisting.

[Brief description of drawings]

FIG. 1 is a left side view of a motorcycle showing an example of a riding type vehicle to which the present invention is applied.

FIG. 2 is a perspective view of a front fork.

FIG. 3 is an exploded perspective view of a handlebar attaching device showing an embodiment of the present invention.

FIG. 4 is a plan view of the handlebar attaching device.

5 is a cross-sectional view taken along the line VV of FIG.

FIG. 6 is an exploded perspective view of a handlebar attaching device showing a conventional technique.

FIG. 7 is a plan view of a handlebar attaching device showing a problem of the conventional technique.

[Explanation of reference symbols] 1 Motorcycle as a riding type vehicle 4 Front fork 6 Handlebar 17 Upper bracket 19 Steering shaft 22 Steering shaft 22 Handlebar mounting device 23L, 23R Handlebar holder 24L, 24R Lower holder 26 Upper holder 27 Left and right lower holders Connecting part for integrating 31 31 Mounting hole 32 Floating member 36 Bolt 38 Nut

Claims (1)

[Claims] 1. A pair of left and right lower holders provided on the upper end of a front fork via a floating member, and an upper holder fixed to the upper side of the lower holders constitute a handlebar holder. A handlebar mounting device for a straddle-type vehicle in which a handlebar is clamped to a handlebar holder, wherein the lower holder is integrally formed on the left and right sides.