JPH09249180A - Operation lever for vehicle with adjuster mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To adjust the distance between a handle grip and a brake lever. SOLUTION: This operation lever is provided with a lever member 3 formed with a hold section extended in parallel with the grip section 2a' of a handle bar 2; a moving piece 6 having an action section 6a invariably kept in contact with the input end 5 of a master cylinder 4 provided on the handle bar 2, a stopper section 6c kept in contact with a stopper 4a formed on the master cylinder 4, and a groove exerting the whirl stop function of the moving piece 6 while pinching the lever member 3; and an adjuster mechanism 8 adjusting the interval between the lever member 3 and the moving piece 6. The adjuster mechanism 8 is constituted of an adjusting screw 9 fixed to the moving piece 6 and an adjusting nut 10 screwed to the screw 9 and rotatably coupled with the lever member 3, and the interval between the lever member 3 and the moving piece 6 can be adjusted when the adjusting nut 10 is rotated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operating lever for a brake or a clutch in a vehicle having a handlebar such as a motorcycle, and more particularly to a vehicle operating lever having an adjuster mechanism capable of adjusting a distance between a handle grip and an operating lever. It is about.

[0002]

2. Description of the Related Art Conventionally, a vehicle having a motorcycle adjuster mechanism capable of easily adjusting the distance between a handle grip and a brake lever according to the size and preference of a rider's hand while maintaining a constant brake operation stroke. As a control lever for use, one described in Japanese Patent Publication No. 7-77877 is known. This adjuster mechanism is shown in FIG.
To describe with reference to FIG. 5, FIG. 4 is a partial cross-sectional view of an operating lever having the adjuster mechanism, and FIG. 5 is an exploded perspective view of the adjuster mechanism.

In the figure, a brake lever 1 having an adjuster mechanism includes a lever member 3 having a grip portion 3a extending in parallel with a grip portion 2a of a handlebar 2 and an input end of a master cylinder 4 attached to the handlebar. 5, a first arm 6b having an acting portion 6a that constantly abuts on the second cylinder 5 and a second arm 6 having a stopper portion 6c that abuts on the master cylinder 4.
and a base 3b of the lever member 3 and an intermediate portion of the mover 6 by means of a pivot 7, a lever support arm of the master cylinder 4 (not shown).
Are rotatably attached to each. An adjuster mechanism 8 is provided between the lever member 3 and the mover 6, and an input to the lever member 3 is input through the adjuster mechanism 8 and the first arm 6b of the mover 6 to the master cylinder 4 It acts on the input end 5 of the and allows the brake to be applied.

As shown in FIG. 5, the adjuster mechanism 8 has a flat cylindrical head portion 9b having a vertical shaft hole 9a in the center thereof and a shaft portion 9 having a screw extending from the head portion 9b.
adjusting screw 9 composed of c and the shaft 9
an adjusting nut 10 that is screwed into c, a cylindrical shaft 11 in which a through hole 11a of a shaft portion 9c of the screw 9 is formed in a central horizontal direction, and a first arm 6b of the mover 6 that is provided so as to project. The adjusting screw 9 and the shaft 12 are inserted into the shaft hole 9a of the adjusting screw 9.

Further, the base portion 3b of the lever member 3 has
A through hole 13 for the adjuster mechanism is formed in the direction of the action portion 6a, and the shaft 11 is inserted into a hole 14 formed in the vertical direction so as to intersect with the through hole 13 and the insertion hole 11 for the shaft is inserted.
While allowing the shaft portion 9c of the adjusting screw 9 screwed with the adjusting nut 10 to pass through a,
The mover 6 is inserted into the shaft hole 9a of the adjusting screw 9.
The adjuster mechanism 8 is provided between the lever member 3 and the mover 6 by inserting the shaft 12 of the first arm 6b. Then, the through hole 1 is formed in the shaft portion 9c of the adjusting screw 9 protruding from the insertion hole 11a of the shaft 11.
The coil spring 15, which is an elastic member, is inserted through the outer opening 13a of No. 3, and the washer 16 applied to the end of the shaft 9c is fixed by the screw 17 screwed to the end of the shaft 9c to move. Resiliency is held by the child 6. Further, the lid 18 is fitted into the outer opening 13 a of the through hole 13. In the operation lever provided with such an adjuster mechanism, the brake lever 1
The distance between the grip portion 3a of the lever member 3 and the grip 2 of the handlebar is adjusted by rotating the adjusting nut 10 to move the adjusting screw 9 forward and backward.

[0006]

However, in the adjuster mechanism as described above, the adjusting screw 9, the adjusting nut 10, the shaft 12 for fixing the adjusting screw 9 to the mover 6, and the adjusting screw 9 are the lever members. Shaft 1 for mounting on 3
1. Furthermore, the spring 15 or the like as the elastic member is required, and the number of parts is increased as a whole, leading to an increase in cost. Further, it has become clear that it takes time and effort to assemble the above-mentioned respective parts, resulting in poor workability. Therefore, the present invention provides a vehicle operation lever having an adjuster mechanism capable of reducing the number of parts and the number of assembling steps, and solves the above problems. The adjuster mechanism according to the present invention has a small number of parts, and in addition to the lever body, only the adjuster mechanism can be sub-assembled in a separate step in advance, and as a result, the work of assembling the lever body is simplified. Work efficiency can be improved.

[0007]

Therefore, the technical solution adopted by the present invention is the grip portion 2a of the handlebar 2.
A lever member 3 that forms a grip portion that extends in parallel with the action member 6a that abuts the input end 5 of the master cylinder 4 attached to the handlebar, a stopper portion 6c that abuts the stopper 4a formed on the master cylinder, and the lever. A mover 6 that is engaged with the member 3 and is prevented from rotating, and an adjuster mechanism 8 that adjusts the distance between the lever member 3 and the mover 6 are provided, and the adjuster mechanism 8 is fixed to the mover 6. It is composed of an adjusting screw 9 and an adjusting nut 10 screwed onto the screw and rotatably fitted to the lever member. By rotating the adjusting nut 10, the lever member 3 and the mover are moved. 6 is a control lever for a vehicle having an adjuster mechanism characterized in that the distance from 6 can be adjusted.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a partial cross-sectional view of a vehicle operating lever having an adjuster mechanism according to the present embodiment.
2 is a sectional view taken along the line AA in FIG. 1, and FIG. 3 is a perspective view of a mover used in the adjuster mechanism. 1, a brake lever 1 having this adjuster mechanism includes a lever member 3 having a grip portion 3a extending in parallel with a grip portion 2a of a handlebar 2 and an input end of a master cylinder 4 attached to the handlebar 2. 5 and a movable element 6 having an action portion 6a which is always in contact with the movable member 5 and a stopper portion 6c which is in contact with the stopper 4a formed on the master cylinder 4, and is provided between the base portion 3b of the lever member 3 and the movable element 6. The adjuster mechanism 8 mentioned later is provided. In the figure, 11
Is a stopper for preventing the input end 5 from slipping out.

The mover 6 has a shape as shown in FIG. 3, and the mover 6 has a working portion 6a which is always in contact with the input end 5 of the master cylinder 4 attached to the handlebar and a stopper formed on the master cylinder. Stopper 6c that abuts 4a
A groove 6b serving as a rotation stopping function of the mover 6 is formed while sandwiching the lever member 3, and an adjusting screw 9 of an adjuster mechanism 8 is vertically fixed to the mover 6. As shown in FIGS. 1 and 2, the adjuster mechanism 8 is composed of an adjusting screw 9 which is erected and fixed to the mover 6, and an adjusting nut 10 which is screwed into the adjusting screw 9. The adjusting nut 10 is rotatably fitted to the base portion 3b of the lever member 3.

In the brake lever 1 assembled as described above, the input end 5 of the master cylinder is the spring 5a.
By virtue of being urged to the right in the figure by the action, the acting portion 6a of the mover 6 is always in contact with the input end 5 of the master cylinder 4, and the stopper portion 6c of the mover 6 is pushed by the master cylinder 4
Is in contact with the stopper 4a. In such a state, the gap between the grip portion 3a of the lever member 3 of the brake lever 1 and the grip 2a of the handlebar is adjusted as follows. That is, adjusting nut 1
When 0 is rotated, the adjusting nut 10 moves in the left-right direction on the adjusting screw 9 depending on the rotation direction, and the relative position between the mover 6 and the base 3b of the lever member changes. At this time, the input end 5 is constantly pushed rightward by the action of the spring 5a in the master cylinder 4, and as a result, the stopper member 6c of the mover abuts the stopper 4a of the master cylinder and the position of the lever member is determined. It When the lever member is operated as usual after the position is determined, the input to the lever member 3 is applied to the input end 5 of the master cylinder 4 via the adjuster mechanism 8 and the action portion 6a of the mover 6 to perform the braking action. be able to. As described above, in the present invention, the distance between the handle grip and the brake lever can be easily adjusted according to the size and preference of the rider's hand while maintaining a constant brake operation stroke.

[0011]

As described in detail above, according to the present invention, 1) the adjuster mechanism can be installed in the operation lever body, so that the number of parts is small and the size can be reduced. 2) Since the adjuster mechanism can be sub-assembled, it is easy to assemble. And other excellent effects.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of a brake lever according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA in FIG.

FIG. 3 is a perspective view of a mover in the brake lever.

FIG. 4 is a partial sectional view of a conventional brake lever.

FIG. 5 is an exploded perspective view of a conventional adjuster mechanism.

[Explanation of symbols]

 1 Brake Lever 2 Handlebar 3 Lever Member 4 Master Cylinder 5 Input End 6 Mover 7 Axis 8 Adjuster Mechanism 9 Adjusting Screw 10 Adjusting Nut

Claims (2)

[Claims] 1. A lever member 3 having a grip portion extending in parallel with a grip portion 2a of a handlebar 2, an action portion 6a abutting against an input end 5 of a master cylinder 4 attached to the handlebar, and a master cylinder. The stopper portion 6c that abuts the formed stopper 4a, the movable member 6 that is engaged with the lever member 3 and stopped from rotating, the lever member 3 and the movable member 6
And an adjusting mechanism 8 for adjusting the interval between the adjusting mechanism 8 and the adjusting mechanism 8. The adjusting mechanism 8 includes an adjusting screw 9 fixed to the mover 6, and an adjusting screw screwed to the screw and rotatably fitted to the lever member. An operating lever for a vehicle having an adjuster mechanism, which is configured by a nut 10 and is configured such that a distance between the lever member 3 and the mover 6 can be adjusted by rotating the adjusting nut 10. 2. The operating lever for a vehicle having an adjuster mechanism according to claim 1, wherein the lever member 3 is engaged with a groove 6b formed in the mover 6.