JPS6337359Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention is a bicycle brake operating device, more specifically, an operation device comprising a bracket, a pivot part having a pivot hole that is pivotally attached to the bracket, and an operating part extending to one side from the pivot part. The present invention relates to a bicycle brake operating device that includes a lever and is configured to perform a braking operation by grasping the outer surface of the operating portion of the operating lever.

Conventionally, an operating lever in a bicycle brake operating device uses a single flat plate made of a metallic material that integrates a pivot part and an operating part, and both sides of the flat plate are moved in the same direction along the length direction. The first bending process is performed to make the cross section approximately U-shaped, and the second bending process is performed to bend both sides of the generally U-shaped operating part inward along the length direction to form a cylindrical operating part. We are working to form a

However, in the conventional operating lever described above, since the operating portion is formed from a flat plate by the first and second bending processes, the processing requires time and effort, and the bending process as described above is necessary. In this case, it is difficult to form the shape of the outer surface of the operating portion into a complex shape that the fingers can follow when gripping the operating portion with the hand, and furthermore, during the secondary processing, the shape of the outer surface of the operating portion is difficult to form. There was a problem that the operating lever was deformed and the aesthetic appearance of the operating lever was impaired.

The present invention was devised in view of these problems, and the purpose is to easily and inexpensively mold the grip portion of the operating lever into a shape that conforms to the fingers gripping the grip portion. To provide a bicycle brake operating device, in which the grip portion of the operating lever can be easily formed into a different design or a different color according to the user's preference, and a wide variety of operating levers can be easily produced. It is on offer.

That is, the present invention includes an operating lever consisting of a bracket, a pivot part having a pivot hole that is pivotally attached to the bracket, and an operating part extending to one side from the pivot part,
A bicycle brake operating device that performs a braking operation by grasping the outer surface of the operating part of the operating lever,
The operating portion of the operating lever is divided into an outer side and an inner side, and the inner side divided body is connected to a bottom wall by a metal plate,
A pair of side walls rising from both sides in the width direction of the bottom wall form a lever base having a U-shaped cross section with an open upper part, and at the open end of the side wall of the lever base,
The present invention is characterized in that the open end is closed and an outer divided body made of synthetic resin and having a grip portion on the outer surface is connected by a connecting means.

Embodiments of the bicycle brake operating device of the present invention will be described below with reference to the drawings.

In the figure, reference numeral 1 indicates a bracket that is fixed to approximately the center of the curved rod portion A of the drop handle via a tightening band 2, and has a through hole 1a on both sides of the bracket, and reference numeral 3 indicates a pivot support 5 having a pivot hole 4. and an operating portion 6 extending from the pivot portion 5 to one side, the pivot hole 4 of the operating lever 3 is pivotally supported via a pivot shaft 7 supported in the through hole 1a of the bracket 1. A bicycle brake operating device B is constructed by supporting one end of a wire W introduced into the operating lever 3 through a wire insertion hole (not shown) on a wire hook 8.

The present invention provides a bicycle brake operating device B configured as described above, in which the operating portion 6 of the operating lever 3
is divided into an outer side and an inner side to form an inner side divided body 2.
0 is formed with a bottom wall made of a metal plate and a pair of side walls rising from both sides of the bottom wall in the width direction, forming a lever base 21 having a U-shaped cross section with an open upper part, and an open end of the side wall of the lever base 21. An outer divided body 10 made of synthetic resin and having a closed open end and a grip portion on the outer surface is connected to the outer surface by means of a connecting means.

Specifically, the outer divided body 10 has a pivot portion 1
1 and a grip portion 12, and furthermore, the shape of the grip portion 12 is shaped to fit the fingers gripping the grip portion 12, and the shape of the lower surface side of the outer divided body 10 is shaped to match the shape of the finger gripping the grip portion 12. The outer divided body 10 has a shape that follows the upper edge, and boss portions 14, 14 having mounting holes 13, 13 are formed on the lower surfaces of the upper and lower parts of the outer divided body 10. is molded from synthetic resin.

Further, the lever base 21, which is provided with a pivot portion 5 having a pivot hole 4 on the upper part of the inner side divided body 20, integrates the inner side divided body 20 and the pivot portion 5 as shown in FIG. The lever base 21 has a U-shaped cross section and is open at the top.
It forms.

In addition, 22, 22 are screw insertion holes provided near the upper and lower parts of the inner side divided body 20, and 23, 2
3 is a support hole for supporting the wire hook 8.

Then, the outer divided body 10 is overlapped along the upper edge of the lever base 21, and the screw bodies 24, 24 are used as the coupling means, and the outer divided body 10 is connected to the outer divided body 10 by the screw bodies 24, 24. It is configured to be coupled to the lever base body 21.

The present invention is constructed as described above, and while the outer divided body 10 is superimposed on the lever base body 21 as described above, the screw insertion hole 22,
22, insert the screw bodies 24, 24 into the screw bodies 2,
4 and 24 are screwed into the attachment holes 13 and 13 of the boss portions 14 and 14 provided on the outer side divided body 10 to connect the outer side divided body 10 to the lever base body 21. The operating lever 3 can be easily formed.

Further, the operating lever 3 is divided into an outer side divided body 10 and an inner side divided body 21, and the outer side divided body 1 is divided into an outer side divided body 10 and an inner side divided body 21.
0 from synthetic resin, the shape of the grip portion 12 of the outer divided body 10 is changed to the shape of the grip portion 12.
When gripped by hand, it is possible to easily and inexpensively mold the grip portion 12 of the outer divided body 10 into a shape that allows the fingers to fit along the grip portion 12.

In addition, since the lever base 21 is formed by bending both sides of a flat plate that integrates the pivot portion 5 and the inner side divided body 20 in the same direction along its length, the lever base 21 is Machining is extremely easy, and since the lever base 21 is made of a metal material, even when synthetic resin is used for the outer divided body 10, the lever base 21 is sufficient to function as the operating lever 3. It is possible to obtain strong strength.

Further, the operating lever 3 is formed by attaching an outer divided body 10 molded from synthetic resin to the lever base 21.
Since the outer divided bodies 10 are connected to each other via screw bodies 24, 24, for example, the outer divided bodies 10 with different designs, hardnesses, and colors may be formed separately, and the above-mentioned divided bodies 10 may be formed according to the preferences of the bicycle user or depending on the season. It also becomes possible to replace the outer divided body 10.

In the embodiment, boss portions 14, 14 having mounting holes 13, 13 are formed on the lower surface side of the outer divided body 10, and screw insertion holes 23, 23 are provided in the inner divided body 20, The screw insertion hole 23,
The insertion ends of the screw bodies 24, 24 inserted through the screw bodies 23 are screwed into the mounting holes 13, 13. It may be provided in a boss portion (not shown) having a mounting hole (not shown) inside the divided body 20.

Further, the lever base body 2 of the outer surface side divided body 10
1, the coupling means to the threaded bodies 24, 24
Although this is accomplished by screwing, the connection means may be accomplished by other means.

Further, although the pivot portion 5 is provided on the lever base body 21 on the inner surface, it may be provided on the outer surface side divided body 10.

As explained above, in the brake operating device of the present invention, the shape of the grip portion of the operating lever can be formed into various shapes, for example, to conform to the fingers gripping the grip portion, and furthermore, the shape can be shaped according to the preferences of the bicycle user or the season. This makes it possible to make the outer divided body connected to the lever base body different in design and color, making it easy to manufacture a high-quality operating lever.

[Brief explanation of the drawing]

Fig. 1 is a front view showing an embodiment of the brake operating device according to the present invention, Fig. 2 is an exploded view of the operating lever, Fig. 3 is a developed view of the inner divided body, and Fig. 4 is the main part of the operating lever. FIG. B... Brake operation device, 1... Bracket, 3...
...Operation lever, 10...Outer surface side divided body, 20...
Inner side divided body, 21...Lever base body.

Claims (1)

[Scope of utility model registration request] The control lever includes a bracket, a pivot part having a pivot hole that is pivotally connected to the bracket, and an operating part extending to one side from the pivot part, and a braking operation is performed by grasping the outer surface of the operating part of the operating lever. The operating part of the operating lever is divided into an outer side and an inner side, and the inner side divided body is connected to a bottom wall by a metal plate, and the inner side divided body is connected to a bottom wall by a metal plate, and the operating part of the operating lever is separated from the bottom wall from both sides in the width direction of the bottom wall. A lever base having a U-shaped cross section and having a pair of rising side walls and is open at the top, the open end of the side wall of the lever base is closed, and a grip portion is provided on the outer surface. What is claimed is: 1. A brake operating device for a bicycle, characterized in that outer divided bodies made of synthetic resin are connected by a connecting means.