JPH03208786A - Handle device for motorcycle - Google Patents

Abstract

PURPOSE:To simplify the structure by turnably inserting a bilateral pair of separate handles to a bilateral pair of front forks supported by a steering shaft, and adjusting the handle position with the combination of position adjusting holes provided in a bracket and the separate handles. CONSTITUTION:The predetermined position adjusting holes are selected among the position adjusting holes 10a - 10c and 11a - 11c formed in a bracket 3 and separate handles 7 for combination. They are fixed by bolts 12. A handle throttle angle is thereby changed. Since a front fork 5 is installed to a car body at the predetermined angle, height of the separate handles 7 is changed simultaneously. With this structure, the structure is simplified, and a handle position can be adjusted in stages.

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 separate left and right handles attached to a pair of left and right front forks that are supported by a steering shaft via an upper bracket and a lower bracket, for example.

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 example, as disclosed in Japanese Unexamined Patent Publication No. 155187/1987, there is a system in which left and right separate handles rotatably provided on a front fork are fixed by the operation of a hydraulic mechanism to change the handle position.

[Problems to be Solved by the Invention] However, in this type of device in which the left and right separate handles are fixed by the operation of a hydraulic mechanism, the handle position can be changed steplessly, but the hydraulic pressure generating means such as a mask cylinder, A hose for supplying hydraulic pressure, a cylinder, a pressing plunger, etc. are required, which increases the number of parts, complicates the structure, and increases production costs, making it impractical.

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

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 Problem] In order to solve the problem, the invention of the handle device according to claim 1 provides separate right and left handles to a pair of left and right front forks supported by a steering shaft via a bracket. a position adjustment hole is formed in the separate handle and the bracket, respectively, so as to be rotatably inserted therein;
A plurality of position adjustment holes are formed in at least one of the bracket and the separate handle, and the handle position can be adjusted in stages by changing the combination of the position adjustment holes of the bracket and the separate handle and fixing them with a tightening means. It is characterized by

In the invention of the handle device according to claim 2, the left and right separate handles are rotatably inserted into a pair of left and right front forks supported by a steering shaft via a bracket, and an ohm wheel is attached to the front forks. In addition, a worm is provided on the separate handle, and the handle position can be adjusted steplessly by rotating the worm.

In the invention of the handle device according to claim 3, the left and right separate handles are rotatably inserted into a pair of left and right front forks supported by a steering shaft via a bracket, and the front forks are provided with a positioning protrusion or a spiral groove. The handle is characterized in that the separate handle is provided with a corresponding spiral groove or positioning protrusion, and the engagement position between the positioning protrusion and the helical groove is changed, thereby making it possible to adjust the handle position steplessly.

[Function] In the invention of the handle device according to claim 1, when the combination of the position adjustment holes formed in the separate handle and the bracket is changed and this is fixed by the tightening means, the handle aperture angle is changed, and the handle The position can be adjusted in stages.

Moreover, the handle position can be easily adjusted without using a special handle rotation prevention mechanism. In addition, multiple position adjustment holes are formed on the separate handle or bracket, and by selecting this combination and tightening and fixing, the handle aperture angle can be changed within a minute range, and it can be changed in stages, so the left and right separate handles can be adjusted. alignment is easy. In the invention as set forth in claim 2, when the ohm provided on the separate handle is rotated, the engagement position of the front fork with the worm wheel is changed, and the handle aperture angle is changed, so that the handle position can be adjusted steplessly. In addition, the handle position is adjusted using a worm gear consisting of a worm and an ohm wheel, allowing stepless adjustment with a simple mechanism.

According to the invention of the handle device according to claim 3, when the engagement position between the positioning protrusion and the spiral groove formed on the front fork and the separate handle is changed, the separate handle moves 6 in the axial direction of the front fork, and The handle aperture angle changes. Therefore, by simply rotating the separate handle, the handle aperture angle changes according to the handle height, and the handle position can be adjusted steplessly.

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

An embodiment of the invention of the handle device according to claim 1 will be described based on FIGS. 1 to 7.

First, the embodiments shown in FIGS. 1 to 3 will be explained.
FIG. 1 is a plan view of a handle device for a motorcycle, FIG. 2 is a plan view of a bracket, and FIG. 3 is a plan view of a separate handle.

Reference numeral 1 in the figure is a handle device for a motorcycle, and upper and lower brackets 3 are attached to a steering shaft 2 provided on the vehicle body. Fork fitting holes 4 are formed at both ends of the bracket 3, and left and right front forks 5 are inserted through the fork fitting holes 4, respectively, and the front forks 5 are tightened and fixed with bolts 6.

Separate handles 7 are inserted into the left and right front forks 5 through fork fitting holes 8 formed in their mounting portions 7a, and are attached to the upper side of the bracket 3. By tightening the bolts 9 of the mounting portions 7a, the separate handles 7 are inserted. is tightened and fixed to the front fork 5.

As shown in FIGS. 1 and 2, the upper bracket 3 has a plurality of position adjustment holes 10a to 10c formed at a radius R from the center o1 of the fork fitting hole 4. ~10c are located at the same angle θ1.

Further, as shown in FIGS. 1 and 3, the separate handle 7 has a boss portion 7b formed on the side of the mounting portion 7a, and the boss portion 7b has a radius R from the center 02 of the fork fitting hole 8.
A plurality of position adjustment holes 118 to 11c are formed at the positions. The angle θ2 of the position adjustment holes 11a to tic is slightly larger than the angle θ1 of the position adjustment holes 10a to 10c formed in the bracket 3.

Position adjustment holes 10a to 10e and position adjustment holes 11a to 11a formed in this bracket 3 and the separate handle 7.
Select a predetermined one from 11c, match it, push the bolt 12 through the position adjustment hole 11b of the separate handle 7,
The separate handle 7 is fixed to the bracket 3 by screwing into the position adjustment hole 10b of the bracket 3. By changing the combination of position adjustment holes between the bracket 3 and the separate handle 7 and fixing them with tightening means such as bolts 12, the handle aperture angle can be changed.

By changing this handle aperture angle, the height of the separate handle 7 changes at the same time since the front fork 5 is provided on the vehicle body at a predetermined angle, making it possible to adjust the handle position in stages with a simple structure. I can do it.

In this embodiment, the angle θ2 of the position adjustment holes 11a to 11C formed in the boss portion 7b of the separate handle 7 is slightly larger than the angle θ1 of the position adjustment holes 10a to 10c formed in the bracket 3. It can be small. In addition, position adjustment holes 10a to 1 formed in the bracket 3
Angle between 0c or boss part 7 of separate handle
The angle between the position adjustment holes 11a to 11c formed in b may be changed.

In this way, the position adjustment holes 10a to 10c of the bracket 3
and the position adjustment holes 11a-lie of the separate handle 7.
By changing the combination, the handle aperture angle can be adjusted in minute increments. Further, since the handle position is adjusted in stages, it is easy to adjust the angle of the left and right separate handles 7.

Further, the handle position can be adjusted by changing the combination of the position adjustment holes of the upper bracket 3 and the separate handle 7 and fixing them with a tightening means, so that the separate handle 7 is prevented from rotating in addition to adjusting the handle position. This eliminates the need for a special handle rotation prevention means and can be manufactured at low cost.

4 to 6 show other embodiments, in which FIG. 4 is a plan view of a handle device for a motorcycle, FIG. 5 is a plan view of a bracket, and FIG. 6 is a plan view of a separate handle.

Position adjustment holes 13a to 13c are formed in the upper bracket 3 at positions of radii R1, R2, and R3 on a radial line from the center 03 of the fork fitting hole 4 through which the front fork 5 is inserted. In the separate handle 7, position adjustment holes 14a to 14C are formed in the boss portion 7C of the attachment portion 7a at positions of radii R1, R2, and R3 and shifted by an angle θ3.

To install the separate handle 7, select one of the position adjustment holes 13a to 13c of the bracket 3, and attach it to the position adjustment holes 14a to 14c of the separate handle 7.
Combine the corresponding ones of 14c and separate handle 7
Fix by screwing in the bolt 12 from the side.

FIG. 7 is a plan view of a separate handle showing still another embodiment. This separate handle 7 has a structure similar to that shown in FIG. 6, and has a position adjustment hole 15 formed in a long hole in a boss portion 7d of a mounting portion 7a. This separate handle 7 is fixed by tightening a bolt 12 by selecting a position adjusting hole in the upper bracket 3 shown in FIG.

FIG. 8 is a plan view showing an embodiment of the handle device for a motorcycle according to the second aspect.

A worm wheel 20 is formed on a part of the outer periphery of the front fork 5. A fork fitting hole 8 of a separate handle 7 is rotatably inserted into the front fork 5, and a worm 21 is inserted into the separate handle 7.
is rotatably provided. This worm 21 is engaged with a worm wheel 20, and an adjustment knob 22 is fixed to the end of the worm 21 with a screw 23.

A lock mechanism 24 is provided at the attachment portion 7a of the separate handle 7.
is provided, and when the lever 25 of this lock mechanism 24 is rotated, the eccentric cam 26 rotates about the rotation shaft 27,
It comes into pressure contact with the front fork 5 and restricts the rotation of the separate handle 7.

To adjust the handle position of the separate handle 7, when the lock mechanism 24 is released and the worm 21 is rotated using the adjustment knob 22, the engagement position of the worm wheel 2 with the wheel 20 changes, and the separate handle 7 rotates. The handle aperture angle changes steplessly and the handle position is adjusted.

In this embodiment, a worm wheel 20 and a worm 21
By using the worm gear, it is possible to change the handle aperture angle steplessly, and by increasing the reduction ratio of the worm gear, it is possible to receive loads.

Furthermore, since the locking mechanism 24 is configured using an eccentric cam 26, the eccentric cam 26 can be brought into pressure contact with the front fork 5 by simply operating the lever 25, and the pressure contact can be released, allowing locking and unlocking to be performed with one click. I can do it.

9 to 12 show an embodiment of the handle device according to the third aspect of the invention, FIG. 9 is a plan view of the handle device, FIG. 10 is a side view thereof, and FIG. 11 is a plan view of a separate handle. , FIG. 12 is a cross-sectional view taken along the cutting line (-) in FIG. 11.

At a position between the upper limit brackets 3, the mounting portions 7a of the separate handle 7 are rotatably inserted into the pair of left and right front forks 5, and the front forks 5 are attached by bolts 9.
It is tightened and fixed. A positioning projection 30 is formed on the front fork 5, and a spiral groove 31 that engages with the positioning projection 30 is provided on the separate handle 7.

By changing the engagement position between the positioning protrusion 30 and the spiral groove 31, the separate handle 7 can be separated as shown in FIG.
As the aperture angle changes, the height of the handlebar changes as it moves in the axial direction of the front fork, making it possible to adjust the handlebar position steplessly.

In this way, when the separate handle 7 is rotated to adjust the handle aperture angle, the separate handle 7 moves in the axial direction of the front fork, so the handle height can be adjusted according to the handle aperture angle with a simple structure. be able to.

In this embodiment, a positioning protrusion 30 is formed on the front fork 5 and a spiral groove 31 is formed on the attachment part 7a of the separate handle 7. Grooves may also be formed.

[Effects of the Invention] As described above, in the invention of the handle device according to claim 1, a position adjustment hole is formed in the separate handle and the bracket, and a plurality of position adjustment holes are formed in at least one of the bracket and the separate handle. By changing the combination of the position adjustment holes of this bracket and the separate handle and fixing it with a tightening means, the handle position can be adjusted in stages. By fixing the handle, the handle position can be adjusted in stages, and the handle position can be easily adjusted without using a special handle rotation prevention mechanism.

In the invention as claimed in claim 2, a worm wheel is provided on the front fork, and a worm is provided on the separate handle, and the handle position can be adjusted steplessly by rotating the ohm. Therefore, with a simple mechanism using a worm gear, The handle position can be adjusted steplessly.

5. The invention of the handle device according to claim 3 provides a positioning projection or a spiral groove on the front fork, a corresponding spiral groove or positioning projection on the separate handle, and changing the engagement position of the positioning projection and the spiral groove. Since the handle position can be adjusted steplessly, the handle height and handle aperture angle can be changed with a simple operation, making it possible to adjust the handle position steplessly.

[Brief explanation of drawings]

1 to 7 show an embodiment of the invention of the handle device according to claim 1, FIG. 1 is a plan view of the handle device of a motorcycle, FIG. 2 is a plan view of the handle bracket, and FIG. 3 is a plan view of the handle device of a motorcycle. 4 to 6 show other embodiments, FIG. 4 is a plan view of a handle device for a motorcycle, FIG. 5 is a plan view of a bracket, and FIG. 6 is a plan view of a separate handle. A plan view, FIG. 7 is a plan view of a separate handle showing still another embodiment, FIG. 8 is a plan view showing an embodiment of the handle device according to claim 2, and FIGS.
2 shows an embodiment of the handle device according to the invention as claimed in claim 3, FIG. 9 is a plan view of the handle device, FIG. 10 is a side view thereof, FIG. 11 is a plan view of the separate handle, and FIG. 12 is a plan view of the handle device. The figure is a sectional view taken along the line -■ in Fig. 11. In the figure, reference numeral 1 is a handle device, 2 is a steering shaft, 3 is a bracket, 5 is a front fork, 7 is a separate handle, 10a to 10c, lla to 11c, 13a to
l 3c, 14a to l 4c, 15 are position adjustment holes, 12
is a bolt, 2o is a worm wheel, 21 is an ohm,
3o is a positioning protrusion, and 31 is a spiral groove. -7 Figure 10 Figure 11 Figure 1 Kanji Figure 2

Claims (1)

[Claims] 1. Left and right separate handles are rotatably inserted into a pair of left and right front forks supported by a steering shaft via a bracket, and position adjustment holes are formed in the separate handles and the bracket. A plurality of position adjustment holes are formed in at least one of the bracket and the separate handle, and the handle position can be adjusted in stages by changing the combination of the position adjustment holes of the bracket and the separate handle and fixing them with a tightening means. A handle device for a motorcycle, characterized by: 2. Separate left and right handles are rotatably inserted into a pair of left and right front forks supported by a steering shaft via a bracket, a worm wheel is provided on the front forks, and a worm is provided on the separate handles, A handle device for a motorcycle characterized in that the handle position can be adjusted steplessly by rotating the worm. 3. The left and right separate handles are rotatably inserted into a pair of left and right front forks supported by the steering shaft via a bracket, and a positioning protrusion or spiral groove is provided on the front forks to correspond to the separate handles. A handle device for a motorcycle, characterized in that a spiral groove or a positioning protrusion is provided, and the position of engagement between the positioning protrusion and the helical groove is changed so that the handle position can be adjusted steplessly.