JPH0711030Y2 - Bicycle operating device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an operating device for a bicycle, and more particularly to a bicycle operating device in which a gear shift lever is attached to a bracket that supports a brake lever.

(Prior Art) Conventionally, an operation device in which a gear shift lever is attached to a bracket of a brake lever mounted near a grip of a handlebar in a bicycle is already known as disclosed in Japanese Utility Model Publication No. 57-42158.

In this conventional operating device, a brake lever is pivotably supported on a bracket fixed to a handlebar, and the bracket is provided with a lever shaft protruding in the same direction as the brake lever. A shift lever is rotatably attached to a lever shaft, the brake lever is arranged directly below the grip, and the shift lever is arranged between the brake lever and the grip to grasp the grip. The finger is used to swing the brake lever in the vertical direction, and the gear shift lever is rotated in the horizontal direction.

(Problems to be solved by the invention) However, when the operation device having the shift lever attached to the bracket of the brake lever is mounted on the handlebar as described above, the driver may prefer or the shape of the handlebar may be different. When the bracket is fixed to the position where the operation of the brake lever is most easily performed by the finger holding the grip, the position of the speed change lever with respect to the grip changes, and the finger of the hand holding the grip changes the speed of the speed change lever. In some cases, it may be difficult to operate, that is, the brake lever is generally arranged directly below the grip, and is configured to be vertically swung by the finger of the hand holding the grip. For example, the brake lever is arranged in front of the grip,
It may be easier to operate the brake lever if the grip is grasped so that it is swung back and forth.

However, when the position of the brake lever with respect to the grip is changed as described above, the position of the speed change lever with respect to the grip also changes, and the direction of rotation of the speed change lever is such that the thumb and forefinger of the hand holding the grip can move in a comfortable direction. However, it will be difficult to operate the shift lever with the thumb and forefinger of the hand holding the grip.

The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to attach a gearshift lever to a bracket that supports a brake lever, and mount the gearshift lever on the handlebar by changing the position with respect to the grip. Even in this case, it is possible to change the movement locus of the operation portion of the shift lever and to arrange the operation portion at a position where it can be easily operated by the finger of the hand holding the grip.

(Means for Solving the Problems) In the present invention, the brake lever (3) is swingably supported on the bracket (2) fixed near the grip of the handlebar of the bicycle. A bicycle operating device comprising a bracket (2) and a gear shift lever (4) having an operating portion (4a) rotatably mounted at a position operable by a finger of a hand holding the grip, said operating device comprising: A lever support (5) for supporting the speed change lever (4) is provided, and the lever support (5) is provided on the bracket (2) from an operation start position to an operation end position of the speed change lever (4). The operation section (4a)
Changing means for movably attaching the movement locus of the and the lever support (5) at the changing position, the bracket (2)
And a fixing means for fixing to.

(Operation) By fixing the bracket (2) near the grip of the handlebar, the brake lever (3) and the speed change lever (4) can be operated by the fingers of the hand holding the grip, and the brake can also be operated. A locus having an inclined surface (61) on the bracket (2) supporting the lever (3) so that the movement locus of the operation portion (4a) from the operation start position to the operation end position of the speed change lever (4) can be changed. Change body (6)
Is provided so that the position can be changed with respect to the bracket (2), the rotational direction of the speed change lever (4) can be changed by changing the position of the trajectory changing body (6) with respect to the bracket (2). The movement locus of the operation portion (4a) of the speed change lever (4) from the operation start position to the end position can be changed, and further, the locus changing body (6) that can change the position with respect to the bracket (2). Since the lever support (5) is supported so that its position can be changed, by changing the position of the lever support (5) with respect to the locus changing body (6), the operation part (4a) can be gripped by the hand. The position can be changed to a position that can be easily operated with the finger. That is, the trajectory changing body (6) is attached to the bracket (2).
On the other hand, if the position is simply changed, the operating portion (4a) of the speed change lever (4) will be displaced in the direction away from the grip. However, the present invention proposes a locus changing body (6) and a lever supporting body (6). Since the positions of (5) and (5) can be changed independently of each other, the position of the lever support (5) is changed with respect to the locus changing body (6) to change the position of the operating portion (4).
The position of a) can be changed to a position where it can be easily operated by the finger of the hand holding the grip. As a result, when the position of the brake lever (3) with respect to the grip is changed to a position where it is easy to operate the brake lever depending on the driver's preference or the shape of the handlebar, not only the brake lever (3) but also the shift lever Even (4) can be easily operated with the fingers of the hand holding the grip.

(Example) In the illustrated operating device, a lever shaft (not shown) is attached to a bracket (2) which is fixed near a grip (G) of a handlebar (H) of a bicycle by a fixing means such as a band member (1). ) Through a brake lever (3) so that the brake lever (3) can swing, and the bracket (2)
In addition, a speed change lever (4) having an operation portion (4a) is rotatably attached to a position where it can be operated by a finger of the hand holding the grip (G).

Therefore, in the embodiment shown in FIGS. 1 to 10, the movement locus of the operation portion (4a) on the bracket (2) from the operation start position to the operation end position of the speed change lever (4) can be changed. A locus changing body (6) having an inclined surface (61) is provided so that the position of the bracket (2) can be changed, and the locus changing body (6) supports the speed change lever (4). The lever support (5) is supported so that the position thereof can be changed around the rotation center of the speed change lever (4), and the lever support (5) and the trajectory changing body (6) are attached to the bracket ( The fixing means for fixing to 2) is provided.

In the above configuration, the bracket (2) has a flat surface on which the shift lever (4) is mounted, and two sets of the first stop holes (21) are formed on the mounting site. )
(22) is provided along a virtual circle centered on the rotation center line of the speed change lever (4), and an insertion hole (23) is provided.

Further, the lever support (5) is the gear shift lever (4).
Large-diameter shaft part (5a), a medium-diameter shaft part (5b) connected to the large-diameter shaft part (5a) via a step, and the medium-diameter shaft part (5b)
It is composed of a small diameter shaft part (5c) which is continuous with a step part and has a screw on the outer periphery and an uneven line extending in the axial direction. A screw hole (51) is provided in the center part of the shaft part and A fitting hole (52) for fitting into the trajectory changing body (6) is provided on the end surface of the radial shaft portion (5a), and a plurality of first projections (53) are provided on the bottom surface of the fitting hole (52). Are provided along a virtual circle centered on the rotation center line of the speed change lever (4).

Further, the speed change lever (4) has a cylindrical boss portion (4b) having a through hole and an inner cavity portion continuous with the through hole, and a radial direction outward from one side of the boss portion (4b). The operation part (4a) extends, and the through hole part is connected to the large diameter shaft part (5
It is supported by a), and a positioning mechanism (7) is built in the inner cavity so that the positioning mechanism (7) can rotate within the range from the operation start position to the operation end position. In addition, a cover body (8) for closing the inner cavity is attached to the open end of the inner cavity.

Further, the trajectory changing body (6) is formed in a ring shape having an insertion hole (6a) penetrating in the rotation center line direction of the speed change lever (4) and faces the mounting portion of the bracket (2). The end surface is inclined with respect to the center line of rotation to form an inclined surface (6
1), the inclined surface (61) is provided with four second protrusions (62) that fit into the first stop holes (21) or (22) and faces the lever support body (5). A fitting protrusion (63) that fits into the fitting hole (52) is provided on the end face, and a plurality of first fittings (53) that fit into the first protrusion (53) are provided on the fitting protrusion (63). The two stop holes (64) are provided along a virtual circle centered on the rotation center line of the speed change lever (4).

Further, the fixing means is inserted into the insertion hole (23) of the bracket (2) and the insertion hole (6a) of the trajectory changing body (6) and is inserted into the screw hole (51) of the lever support body (5). The fixing screw (9) to be screwed, the first and second fixing holes (21) and (64), and the first and second protrusions (53) and (62) to form the fixing screw (9). The lever support (5) and the trajectory changing body (6) are non-rotatably fixed to the bracket (2) by tightening.

The positioning mechanism (7) includes a plurality of engaging portions (71a).
And a ring-shaped positioning body (71), an engagement body (72) that selectively engages with one of the engagement portions (71a), and the engagement body (72) with the engagement portion (71a). And a plate-shaped pressing spring (73) that presses in the direction.

Further, in the figure, (10) is a friction body (1) arranged outside the positioning body (71) and supported by the boss portion (4b).
1) displaces the engaging body (72) in the radial direction of the positioning body (71) to engage one of the engaging portion (71a) and the friction portion (10a) of the friction body (10). The switching body (12) is a lock nut.

In the operating device configured as described above, the bracket (2) is fixed near the grip (G) of the handlebar (H), and the brake lever (3) is held by four fingers excluding the thumb of the hand holding the grip (G). ) Can be operated, and the shift lever (4) can be moved forward or backward with one of the thumb and the index finger.

Depending on the driver's preference or the shape of the handlebar (H), the brake lever (3) may be arranged directly under the grip (G) as shown in FIG. 2, or as shown in FIG. Place the brake lever (3) diagonally downward with respect to the grip (G), or place it at the 10th position.
When the brake lever (3) is placed in front of the grip (G) as shown in the figure, the fixing screw (9) is loosened, and the second protrusion (62) and the first stop hole (21) of the trajectory changing body (6) are released. ) Or (22) is disengaged, the trajectory changing body (6) is angularly rotated to change the position with respect to the bracket (2), and the second protrusion (62) is attached to the first stop hole (21) or The locus changing body (6) is prevented from rotating by fitting with the (22), while the fitting between the first projection (53) and the second stop hole (64) of the lever support (5) is released. Then, the lever support (5) is angularly rotated in a direction opposite to the rotation direction of the trajectory changing body (6) to change the position with respect to the trajectory changing body (6), and the first protrusion (53) is secondly stopped. The lever supporting member (5) is fitted in the hole (64) to prevent the lever supporting member (5) from rotating, and is used for changing the position of the trajectory changing member (6) with respect to the bracket (2). Therefore, the rotation direction of the speed change lever (4) is changed to change the movement locus of the operation portion (4a) of the speed change lever (4) from the operation start position to the operation end position. By changing the position of the locus changing body (6) of the body (5), the position of the operating section (4a) is changed to a position where it is easy to operate with the finger of the hand holding the grip (G).

This position change changes the movement locus into a direction that is inclined with respect to the center line of the grip (G) and a direction that is circumferential with respect to the grip (G) as shown in FIG. is there.

Thus, according to the present invention, even if the position of the brake lever (3) with respect to the grip (G) is changed according to the driver's preference or the shape of the handlebar (H), the position of the brake lever (3) is changed. The position of the speed change lever (4) with respect to the grip (G) can be changed in accordance with the above, and the movement locus of the operation portion (4a) from the operation start position to the operation end of the speed change lever (4) can be corrected. It is possible to easily operate the brake lever (3) and the speed change lever (4) with the fingers of the hand that grips).

The configurations of the changing means and the fixing means in the present invention are not particularly limited.

(Effect of the Invention) As described above, according to the present invention, the bracket (2) supporting the brake lever (3) moves the operation portion (4a) from the operation start position to the operation end position of the speed change lever (4). Since the locus changing body (6) having the inclined surface (61) capable of changing the locus is provided so that the position can be changed with respect to the bracket (2), the position of the locus changing body (6) with respect to the bracket (2). The rotation direction of the speed change lever (4) can be changed by changing the
It is possible to change the movement locus of the operation unit (4a) from the operation start position to the end position of the operation section (4a), and moreover, to the lever change body (6) which is position changeable with respect to the bracket (2). Since the position changer is supported so that the position can be changed, by changing the position of the lever support (5) with respect to the locus changing body (6), the operation portion (4a) is
The position can be changed to a position where it is easy to operate with the fingers of the hand holding the grip. As a result, when the position of the brake lever (3) with respect to the grip is changed to a position where it is easy to operate the brake lever depending on the driver's preference or the shape of the handlebar, not only the brake lever (3),
The shift lever (4) can also be easily operated with the fingers of the hand holding the grip.

[Brief description of drawings]

FIG. 1 is an enlarged sectional view showing an embodiment of the operating device of the present invention,
FIG. 2 is an explanatory view of use when mounted on a handlebar, FIGS. 3 and 4 are explanatory views of changing a movement locus of an operating portion of a shift lever, and FIG. 5 is a front view of only a bracket. 6 is a bottom view of only the modified body, FIG. 7 is the same plan view,
FIG. 8 is a bottom view of only the lever support, and FIGS. 9 and 10 are explanatory views when the position of the brake lever with respect to the grip is changed. (2) …… Bracket (3) …… Brake lever (4) …… Shift lever (4a) …… Operating part (5) …… Lever support

Claims (1)

[Scope of utility model registration request] 1. A brake lever (3) is pivotably supported on a bracket (2) fixed near a grip of a handlebar of a bicycle, and the bracket (2) and the grip are fixed. Shift lever (4) with operating part (4a) at a position where it can be operated by the fingers of the hand
A bicycle operation device in which the operation lever (4a) is rotatably mounted, and the movement locus of the operation portion (4a) from the operation start position of the shift lever (4) to the operation end position can be changed on the bracket (2). A locus changing body (6) having an inclined surface (61) is provided so that the position of the bracket (2) can be changed, and the locus changing body (6) supports the speed change lever (4). A lever support (5) is supported so that its position can be changed around the rotation center of the speed change lever (4),
A bicycle operating device comprising fixing means for fixing the lever support (5) and the trajectory changing body (6) to the bracket (2) at the position where the movement trajectory is changed.