JP2532033Y2 - Wire operation handle - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire operating handle for moving a wire for operating a transmission or a brake of a bicycle, a motorcycle, a cultivator, a work carrier or the like.

[0002]

2. Description of the Related Art A conventional wire operation handle for operating a transmission or a brake of a bicycle or the like is provided with a rotatable operation grip attached to a handle of the bicycle, and the operation grip is provided with a wire-winding surface. The wire which mounts the transmission and brake of the bicycle is wound on the wire take-up surface. By turning the operation grip inward, the wire is wound on the winding surface, and by turning the operation grip outward, the wire is extruded. As described above, by operating the wire with the operation grip, a grooved structure in which a transmission such as a bicycle connected to the wire or a brake is operated.

[0003]

However, the conventional apparatus has the following disadvantages. Rotating the operation grip attached to the handle to operate the wire requires a large operating force, making it difficult to operate the wire. There is also a disadvantage that the wound wire is easily returned and lacks safety. Also, a linear groove in which the sliding piece at the end of the wire is fixed
With the spiral groove of the grip to slide the grip.
The structure to convert the moving piece into linear movement is actually open 56-11
No. 9797, the tensile force of the wire is
It is received by the contact between the grip side end and the outer flange.
Therefore, if the frictional force between the grip side end and
The grip is easy to move with the pulling force, and the grip is increased when the frictional force is increased.
It is necessary to use something with a high rotational operation force, grip
The operability was poor. Also hold the grip at a certain angle
It could not be held stably. The problem to be solved by the present invention is to reduce the operating force of the operating grip and to make it difficult for the operating grip to return, and to achieve a grip at a predetermined rotation angle.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a wire operating handle that can hold a gearbox , can easily adjust an operating force, and can move a wire accurately and easily to operate a transmission and a brake that are connected to the wire.

[0004]

The gist of the present invention that solves the above problem is to provide a sliding groove in the longitudinal direction of a cylindrical handle cover fixed to the tip of a handle, and to provide one side end of the handle cover. A cap provided with a plurality of bearing holes is attached, and a side lid having a ball bearing protruding is fixed to the peripheral end of a cylindrical grip provided with a spiral groove on the outer peripheral surface, and the grip is rotatably inserted into the handle cover. Then, the cap of the handle cover and the side lid of the grip are press-bonded via a spring, and the sliding piece is engaged with the sliding groove of the handle cover and the spiral groove of the grip so as to freely advance and retreat, and the sliding is performed. A wire operation handle is characterized in that a wire for operating an operation unit is attached to the piece.

[0005]

When the grip fixed to the tip of the handle is rotated inward or outward by a predetermined angle, the sliding piece at the tip of the wire attached to the sliding groove of the handle cover and the spiral groove of the grip so as to be able to advance and retreat is spiraled. Move along the groove and slide the sliding groove of the handle cover. As a result, the wire engaged with the sliding piece is moved, and the transmission or the brake to which the wire is connected is operated. When the grip is rotated by a predetermined angle, the side lid to which the grip is fixed also rotates by a predetermined angle, and the ball bearings built into the side lid fit into one of the bearing holes provided in the cap of the handle cover by the elasticity of the spring. Being locked.

In the present invention, the sliding piece provided at the tip of the wire moves along the gradient of the spiral groove of the grip, so that the wire can be moved with a light operating force, and the wire does not return backward. In addition, the ball bearing of the grip is fitted into the bearing hole provided in the cap of the handle cover by the elasticity of the spring, so that the grip is locked, so that the grip does not easily move during running of the bicycle, and the safety is excellent.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a partially cutaway front view of the present embodiment, and FIG.
FIG. 3 is an exploded view of this embodiment, and FIG.
FIG. 5 is an explanatory diagram of a state in which the operation grip of the present embodiment is rotated.

In the figure, reference numeral 1 denotes a handle, 2 denotes a cylindrical handle cover attached to the handle 1, 3 denotes a sliding groove provided in the longitudinal direction of the handle cover 2, and 4 denotes a cap for closing one end of the handle cover 2. 5 is a plurality of bearing holes provided in the cap 4, 6 is a side cover, 7 is a ball bearing protruding from the side cover 6, 8 is a wire, 9 is a wire 8
A cylindrical grip 10 rotatably fixed to the handle cover 2, 11 a grip 10
Is a spiral groove provided on the outer peripheral surface.

In the figure, 12 is an operation grip, 13 is a brake bar fixing portion, 14 is a bolt, 15 is a spring, 16
Is a nut, 17 is a screw, 18 is a bolt hole provided in the center of the cap 4, 19 is a bolt hole provided in the center of the side cover 6, 20 is a washer, 21 is a brake bar, 2
2 is a wire band, 23 is a wire cover, 24 is a wire groove for the wire 8 to slide, 25 is a mounting bolt for connecting the wire cover 23 to a transmission or a brake of a bicycle or the like, and 26 is a grip for wrapping the grip 10. It is a cover.

In this embodiment, as shown in FIGS. 1, 2 and 3, a sliding groove 3 is provided in a longitudinal direction of a handle cover 2 fixed to the tip of a handle 1 such as a bicycle, a motorcycle, a cultivator or a work carrier. The cap 4 having six bearing holes 5 at one end of the handle cover 2 and having a bolt hole 18 opened at the center is fixed by soldering. That cap 4
The bolt 14 is inserted into the bolt hole 19 of the side cover 6 and the bolt hole 18 of the closing rod 4 in order to rotatably mount the side cover 6 having a ball bearing 7 therein and a bolt hole 19 opened at the center. The spring 15 is inserted into the tip of the bolt 14 and fixed with the washer 20 and the nut 16.

The grip 10 provided with the spiral groove 11 is inserted into the handle cover 2 configured as described above, and the side end of the grip 10 is fixed to the side cover 6 rotatably attached to the handle cover 2 by screws 17. I do. A sliding piece 9 provided at the tip of the wire 8 is attached to the sliding groove 3 of the handle cover 2 and the spiral groove 11 of the grip 10 so as to be able to advance and retreat, and the wire 8 is inserted into the wire groove 22 of the handle cover 2 to form the operation grip 12. I do. A wire that inserts the operation grip 12 into the right side of the handle 1 of the bicycle, attaches the brake bar 21 to the brake bar fixing portion 13 provided on the handle cover 2 of the operation grip 12, fixes the operation grip 12 to the handle 1, and wraps the wire 8 The cover 23 is fixed to the handle 1 by the wire band 22.

When the present embodiment having the above configuration is used, the grip 10 of the operation grip 12 attached to the handle 1 is turned inside by a predetermined angle while the bicycle is running as shown in FIG. The sliding piece 9 slides to the right in the sliding groove 3 of the handle cover 2 while being pushed by the spiral groove 11. At this time, the wire 8 integrated with the sliding piece 9 also moves to the right through the wire groove 24 of the handle cover 2. Thus, the wire 8 protruding from the mounting bolt 25 at the tip of the wire cover 23 is drawn into the wire cover 23.

Conversely, by turning the grip 10 of the operation grip 12 outward by a predetermined angle, the sliding groove 9 of the handle cover 2 slides to the left while the sliding piece 9 is pressed by the spiral groove 11 of the grip 10. At this time, the wire 8 integrated with the sliding piece 9 also moves to the left through the wire groove 24 of the handle cover 2. Thereby, the wire 8 protrudes from the mounting bolt 25 at the tip of the wire cover 23. By operating the wire 8 from the mounting bolt 25 in this manner, a transmission or a brake such as a bicycle to which the mounting bolt 25 is connected can be operated.

The sliding piece 9 provided at the tip of the wire 8 of this embodiment is moved along the gradient of the spiral groove 11 provided on the grip 10. The gradient of the spiral groove 11 of the grip 10 has an effect of weakening the resistance, and the stroke of the sliding piece 9 becomes long, but the sliding piece 9 can be moved with a small force, and the operating force for operating the wire 8 is light. In addition, the wire 8 has an effect that the force of the wire 8 trying to return is also weak. When the operation grip 12 is rotated by a predetermined angle, the operation grip 1
2 is also rotated by a predetermined angle at the same time.
When the ball bearing 7 built into the handle cover 2 is fitted into one of a plurality of bearing holes 5 provided in the closing rod 4 of the handle cover 2 by the elastic force of the spring 15, a locked state is established. As a result, the grip 10 does not easily move during running, and the safety is excellent.

[0015]

According to the present invention, since the sliding piece can be slid with a slight force by the two grooves, the sliding groove of the handle cover fixed to the handle and the spiral groove of the grip, the sliding piece is connected to the sliding piece. Less operating force on the wire
There is little reversal of wire. In addition, the ball bearing of the grip is fitted into the bearing hole provided in the cap of the handle cover by the elasticity of the spring, so that the grip is locked, so that the grip does not move easily during the running of the bicycle, and an effect excellent in safety is exhibited.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of the present embodiment.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an exploded view of the present embodiment.

FIG. 4 is an explanatory diagram of a state in which an operation grip according to the present embodiment is rotated.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Handle 2 Handle cover 3 Sliding groove 4 Cap 5 Bearing hole 6 Side cover 7 Ball bearing 8 Wire 9 Sliding piece 10 Grip 11 Spiral groove 12 Operation grip 13 Brake lever fixing part 14 Bolt 15 Spring 16 Nut 17 Screw 18 Bolt hole 19 Bolt hole 20 Washer 21 Brake bar 22 Wire band 23 Wire cover 24 Wire groove 25 Mounting bolt 26 Grip cover

Claims (1)

(57) [Scope of request for utility model registration] A sliding groove is provided in a longitudinal direction of a cylindrical handle cover fixed to a tip of a handle, a cap provided with a plurality of bearing holes is attached to one end of the handle cover, and a spiral groove is formed on an outer peripheral surface. A side cover with a ball bearing protruding is fixed to the peripheral end of the cylindrical grip provided on the handle, the grip is rotatably inserted into the handle cover, and the cap of the handle cover and the side cover of the grip are crimped via a spring. A sliding piece is movably engaged with two grooves, a sliding groove of the handle cover and a spiral groove of the grip, and a wire for operating an operation unit is engaged with the sliding piece. And wire operation handle.