JPH04208684A - Handle device for motorcycle - Google Patents

Abstract

PURPOSE:To adjust the handle position with a simple structure by allowing a handle installation shaft to be shifted in the axial direction in turnable manner by releasing the pressing to the handle installation shaft of a lock inner collar by releasing the tightening of a tightening member. CONSTITUTION:A tightening member 14 is inserted into the left and right handle guides 5 in pair, and a screw part 14a is screwed with a lock collar 12. A lock member 15 is fixed at the head part 14c of the tightening member 14. When the tightening by the tightening member 14 is released by the operation of the lock lever 15, the pressing to the handle installation shaft 9 of a lock inner collar 13 is released, and the installation shaft 9 can be shifted in the axial direction in turnable manner in the installation holes 2b and 5c which communicate to a bracket 2 and the handle guide 5. The position adjustment of a separate handle 8 is executed by turning the handle installation shaft 9 or shifting the shaft 9 in the axial direction, and after the completion of the position adjustment, the handle installation shaft 9 is fixed at a prescribed position by turning the tightening member 14 in the tightening direction.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a handle device for a motorcycle, and more particularly to a handle device for a motorcycle that can adjust the handle position.

[Prior Art] Some motorcycles have, for example, a pair of left and right front forks connected to a steering shaft of a vehicle body via a bracket, and separate left and right handlebars are attached to the bracket.

By the way, it would be convenient if the separate left and right handlebars could be adjusted to suit the rider's physique and preferences in terms of handlebar height, handlebar aperture angle, and other handlebar positions. For this reason, for example, as disclosed in Japanese Unexamined Patent Publication No. 62-155187, there is a system in which the left and right separate handles are rotatably provided on the front fork, and the handle positions are changed by the operation of a hydraulic mechanism.

[Invention tries to solve! 01 However, in this type of device in which the positions of the left and right separate handles are changed by the operation of a hydraulic mechanism, the handle positions can be changed steplessly, but it is necessary to use hydraulic pressure generating means such as a mask cylinder, a hose for supplying hydraulic pressure, and a hydraulic mechanism. This method requires a cylinder, a pressing plunger, etc., increases the number of parts, has a complicated structure, and increases production costs, making it impractical.

Therefore, there is a need for a handle device that is capable of adjusting the handle position, such as the handle height and the handle aperture angle, steplessly or within a minute range using a simple mechanical mechanism that does not use a hydraulic mechanism or the like.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a handle device for a motorcycle that has a simple structure and is capable of adjusting the handle position.

[Means for Solving the Problems] In order to solve the above problems, a handle device for a motorcycle of the present invention connects a pair of left and right front forks to a steering shaft of a vehicle body via a bracket, and connects a pair of left and right front forks to the steering shaft of the vehicle body through a bracket. In a motorcycle equipped with a separate handle, a handle guide is attached to the bracket,
A handle mounting shaft of the separate handle is provided in a mounting hole communicating with the bracket and the handle guide so as to be rotatable and movable in the axial direction, and a lock collar is provided on the handle guide that makes surface contact with the handle mounting shaft, Furthermore, the lock collar is provided with a lock inner collar that makes surface contact with a part of the handle attachment shaft, and the lock inner collar can be pressed against the handle attachment shaft by a tightening member.

[Operation] In this invention, when the tightening member is released, the pressure of the lock inner collar on the handle mounting shaft is released, and the handle mounting shaft to which the separate handle is attached is connected to the mounting hole communicating with the bracket and the handle guide. It is rotatable and movable in the axial direction.

With this tightening means released, rotate the handle mounting shaft by a predetermined angle or move it by a predetermined length in the axial direction.
Adjust the position of the separate handle. Then, when the tightening means is tightened, the lock inner collar is pressed against the handle mounting shaft and comes into surface contact, and this reaction force presses the lock collar against the handle mounting shaft and brings it into surface contact, and the handle mounting shaft is placed in a predetermined position. It is fixed, and you can adjust the handle position by changing the handle aperture angle or by changing the handle height.

[Example] Next, an example of the present invention will be described in detail based on the accompanying drawings.

FIG. 1 is a side view of a motorcycle equipped with a handle device of the present invention, FIG. 2 is a front view of the handle device of the present invention, FIG. 3 is a sectional view taken along line III--III in FIG. 2, and FIG. It is a sectional view taken along IV-IV in the figure.

Reference numeral 1 in the figure is a steering shaft provided on the body of a motorcycle, and upper and lower brackets 2.3 are attached to this steering shaft 1, and both ends 2a and 3a of the brackets 2.3 are The front fork 4 is inserted and attached.

A handle guide 5 is applied from below to both left and right ends 2a of the bracket 2, and a bracket mounting portion 5a formed at one end of the handle guide 5 is tightened and fixed to the bracket 2 with a bolt 6. The front fork 4 is inserted into a fork mounting portion 5b formed at the other end of the front fork 5, and is tightened and fixed with a bolt 7.

The bracket 2 and handle guide 5 have mounting holes 2b and 5c.
are formed to communicate with each other, and this communication hole 2b.

5c is provided with a handle attachment shaft 9 of the separate handle 8 so as to be rotatable and movable in the axial direction. The handle guide 5 is formed to have a predetermined length in the axial direction, and by setting this length, the handle attachment shaft 9 inserted through the bracket 2 and the handle guide 5 can be firmly held.

A slide rail 1o is inserted into the head 9a of the handle attachment shaft 9 in the front-rear direction and fixed thereto.
The mounting portion 8a of the separate handle 8 is inserted through the mounting portion 8a of the separate handle 8, and the bolt 11 is tightened and fixed. The slide rail 10 is formed with a flat part 1°a in the axial direction, and the mounting part 8a of the separate handle 8 can be moved in the axial direction by the flat part 10a of the slide rail 10 when the bolt 11 is released. The rotation of the slide rail 10 in the circumferential direction is thereby restricted, and the position of the separate handle 8 is thereby adjusted in the longitudinal direction of the vehicle body. A scale 20 is formed on the surface of the slide rail 10, so that the positions of the left and right separate handles 8 can be easily matched.

The handle guide 5 is provided with a lock collar 12 that makes surface contact with the handle attachment shaft 9. This rock color 1
2 is made of a material that is elastically deformed by the pressing force caused by tightening. The lock collar 12 is provided with a recess 12a,
A lock inner collar 13 that makes surface contact with a part of the handle attachment shaft 9 is provided in the recess 12a so as to be movable in the direction of the handle attachment shaft 9. The lock collar 12 and the lock inner collar 13 are each made of metal, and the contact surfaces of the lock collar 12 and the lock inner collar 13,
The contact surface of the handle attachment shaft 9 is surface-treated to reduce frictional resistance, so that the handle attachment shaft 9 can be held securely.

A tightening member 14 is inserted through the handle guide 5, a threaded portion 14a of the tightening member 14 is screwed onto the lock collar 12, and a tip portion 14b thereof is in contact with the lock inner collar 13. Further, a lock lever 15 is fixed to the head 14c of the tightening member 14 with a screw 16. lock lever
15, the tightening member 14 is rotated in conjunction with the locking member 15, and the tightening member 14 moves relative to the lock collar 12, making it possible to press the lock inner collar 13 against the hashitor mounting shaft 9. There is.

A disc spring 50 is provided between the lock lever 15 and the recess 5d of the handle guide 5, and holds the lock lever 15 so that it does not rotate due to vibrations of the vehicle body or the like. Furthermore, a recess 2c is formed in an annular shape to surround the lock collar 12 on the surface of the bracket 2 that contacts the handle guide 5, and a sealing member 17 is provided in the recess 2c to prevent water from entering inside. It is prevented.

Therefore, when the tightening member 14 is released by operating the lock lever 15, the pressure of the lock inner collar 13 on the handle mounting shaft 9 is released, and the handle mounting shaft 9 is mounted in communication with the bracket 2 and the handle guide 5. It becomes rotatable and movable in the axial direction within the holes 2b and 5c.

In this state, rotate the handle mounting shaft 9 by a predetermined angle,
The position of the separate handle 8 is adjusted by moving it a predetermined length in the axial direction. There is a scale 2 on the surface of the handle mounting shaft 9.
1 is formed so that the positions of the left and right separate handles 8 can be easily aligned.

When the position adjustment of the separate handle 8 is completed, when the lock lever 15 is operated to rotate the tightening member 14 in the tightening direction, the lock inner collar 13 is pressed against the handle attachment shaft 9 and comes into surface contact. Due to this reaction force, the lock collar 12 is pressed against the handle mounting shaft 9 and comes into surface contact, the handle mounting shaft 9 is fixed at a predetermined position, and the handle aperture angle changes.
The height of the separate handle 8 can also be changed (1), and the handle position can be adjusted with a simple structure.

[Effects of the Invention] As described above, in this invention, by operating the tightening member, the lock inner collar and the lock collar can tighten and release the tightening on the handle mounting shaft, and the handle aperture angle and handle height can be adjusted. Easy to adjust and does not require a special handle rotation stopper mechanism! The L-shaped structure allows you to adjust the handlebar position to find a riding position that suits the rider's physique.

[Brief explanation of the drawing]

FIG. 1 is a side view of a motorcycle equipped with a handle device according to the present invention, FIG. 2 is a front view of the handle device for a motorcycle according to the present invention, FIG. 3 is a sectional view taken along line II-II+ of FIG. is a sectional view taken along IV-IV in FIG. 3; In the figure, 2 is a bracket, 5 is a handle guide, 8 is a separate handle, 9 is a handle mounting shaft, 12 is a lock collar, 13 is a lock inner collar, 14 is a tightening member,
15 is a lock lever and patent applicant Yamaha Motor Co., Ltd. 108a? O Figure 3

Claims (1)

[Claims] In a motorcycle in which a pair of left and right front forks are connected to a steering shaft of a vehicle body via a bracket, and separate left and right handles are attached to the bracket, a handle guide is attached to the bracket, and the bracket and the handle guide are connected to each other. A handle mounting shaft of the separate handle is provided in the hole so as to be rotatable and movable in the axial direction, a lock collar that makes surface contact with the handle mounting shaft is provided on the handle guide, and a lock collar of the handle mounting shaft is provided on the lock collar. A handle device for a two-wheeled motor vehicle, characterized in that a lock inner collar is provided in a portion thereof in surface contact, and the lock inner collar can be pressed against the handle attachment shaft by a tightening member.