JPH0451114Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates primarily to a brake operating device used for bicycles.

(Prior Art) Conventionally, as this type of operating device, as seen in Japanese Utility Model Publication No. 1831/1983, there has been an operating body having a fixed member, a base, and a pair of operating parts extending on both sides of the base. is pivotably supported at the base, and a pair of support rods are pivotally supported via pins at positions on both sides of the base of the fixing member, and an operating wire is attached to one of the support rods. The other supports an outer tube for guiding the wire, and the base is provided with a transmission part that selectively swings the support rod when the operating body is operated. It has been proposed that by operating an operating part, the wire is pulled and braked, and by operating the other operating part, the outer cylinder is moved in the compression direction and braked.

(Problem to be solved by the invention) However, according to this conventional operating device, in addition to drilling a pair of pin holes in the fixing member, it also requires a pair of pins to be inserted into these pin holes. , the number of parts is large, the structure is complicated, and it is necessary to insert each pin into each pin hole to support the pair of support rods on a fixed member, so the work of supporting the support rods is very difficult. It is complicated and has a complicated structure, which together results in high costs.

The present invention was devised in view of the above points, and its purpose is to have two operating parts, and to be able to pull the operating wire and brake by operating one of these operating parts.
Further, the outer cylinder can be moved in the compression direction by the other operation and braked, and the structure is simple and work efficiency can be improved.

(Means for Solving the Problems) Accordingly, the present invention provides a fixing member 1 with a base 21.
An operating body 2 having a pair of operating parts 22 and 23 extending on both sides with respect to the base 21 is swingably supported on the base 21, and the base 21 of the fixing member 1 is sandwiched between the operating body 2. A pair of fitting parts 11 and 12 are provided at both sides, and these fitting parts 11 and 1
2 supports a pair of supports 4 and 5 movably in the swinging direction of the operating body 2, one of these supports 4 and 5 has an operating wire, and the other has an outer cylinder for guiding the wire, respectively. In addition to supporting the base 2
1, when operating the operating body 2, the supports 4 and 5
A pair of transmission parts 24 and 25 are provided for selectively moving the connector in the fitting and disengaging direction.

(Function) By operating one operating part 22 of the operating body 2, the operating wire can be pulled and braked, and by operating the other operating part 23, the outer cylinder can be moved in the compression direction to perform braking. Furthermore, the fixed member 1 is provided with a pair of fitting parts 11 and 12, and the pair of supports 4 and 5 can be moved to these fitting parts 11 and 12 without using pins. Since the number of parts is small and the structure is simple, the support bodies 4 and 5 can be supported on the fitting parts 11 and 12 without using pins, so the structure is simple. Together, costs can be reduced.

(Example) In the figure, 1 is a fixed member attached to the handlebar H of the bicycle, and 2 is an operating body having a base 21 and a pair of operating parts 22 and 23 extending on both sides of the base 21. , the base 21 of this operating body 2
is swingably supported on the fixing member 1 via the support shaft 3, and the base 2 of the fixing member 1
A pair of concave fitting parts 11 and 12 recessed toward the swinging direction of the operating body 2 are provided at positions on both sides of the operating body 1, and a pair of supports are provided in these fitting parts 11 and 12. 4 and 5 are supported movably in the swinging direction of the operating body 2, and an operating wire W is attached to one of these supports 4 and 5.
and one that supports an outer tube O that guides the wire W on the other side, and that selectively moves the supports 4 and 5 in the fitting and disengaging direction when the operating body 2 is operated. Pair of concave transmission parts 2
4,25 were established.

In the above configuration, the fixing member 1 has a mounting part 1a attached to the handle H on one end side, and a rectangular cylindrical support part 1b with both sides open on the other end side.
The operating body 2 is supported between the front and rear walls of the support portion 1b, and the fitting portions 11 and 12 are formed on both side edges of the front and rear walls in a direction in which the operating body 2 swings. It is. In addition, the mounting part 1a
is attached to the handle H using attachment means such as a tightening band.

Further, the operating body 2 has a base 21 formed into a fork shape, and the concave transmission portions 24 recessed toward the swinging direction of the operating body on both side edges of each fork piece.
25.

Further, one of the supports 4 and 5
includes a boss portion 41 having a locking portion 41a that receives and locks a locking body K fixed to one end of the wire W, and a guide groove 41b for the wire; It consists of a pair of fitting shaft parts 42, 42 that protrude toward the fitting shaft part 4.
2 and 42 are supported by the fitting portion 11, and the transmission portion 24 is opposed to the proximal end of each of the fitting shaft portions 42 and 42. Further, the other support body 5 includes a boss portion 51 having a receiving portion 51a that receives and locks one end portion of the outer tube O, and a pull-out hole 51b for the wire W, and both ends of the boss portion 51. A pair of fitting shaft portions 5 protruding outward from the
2, 52, these fitting shaft parts 52, 52
The distal end side of the transmission section 2 is supported by the fitting part 12, and the transmission part 2 is supported on the proximal end side of each of the fitting shaft parts 52, 52.
5 to face each other. Moreover, each of the fitting shaft portions 4
Flange bushes 6, 7 made of synthetic resin are held at the contact portions 2, 52 with the respective transmission parts 23, 24.

Further, a return spring 8 is interposed between the supports 4 and 5 to bias the supports 4 and 5 in the direction of the fitting portions 11 and 12, so that the fixation of the supports 4 and 5 is ensured. It is possible to prevent the member from falling off from the member 1, and after the operation body 2 is operated, the operation body 2 is moved back through the support body 4 or 5 by the force of the return spring 8. There is.

The return spring 8 is composed of a winding part 81 and a pair of first and second spring legs 82 and 83 extending tangentially outward from both ends of the winding part 81. supported on the support shaft 3;
The spring foot 81 is brought into contact with the boss portion 41 of the support body 4, and the second spring foot 82 is brought into contact with the boss portion 51 of the support body 5.

The operating device configured as above supports the operating body 2 on the fixed member 1 and then supports each of the supports 4 and 5 on the fixed member 1.
are provided with concave fitting portions 11 and 12, and each of the supports 4 and 5 is provided with fitting shaft portions 42 and 52, respectively. , 12, the supports 4 and 5 can be supported by a simple operation.
Furthermore, since these supports 4 and 5 are urged by the return spring 8, it is possible to prevent the supports 4 and 5 from falling off from the fixing member 1 before they are attached to the handle. Moreover, the fitting part 11,
12 and the transmission parts 24 and 25 can be simply and easily formed using a mold when the fixing member 1 and the operating body 2 are molded.

Further, the operating device configured as described above includes, for example, as shown in FIG. 8, a horizontal rod portion H ₁ attached to a handlebar stem S of a bicycle, and curved rod portions H ₂ and H connected to both ends of this horizontal rod portion H ₁ . ₂ , and rising parts H _{3 ,} H ₃ rising upward from both ends of these curved rod parts _H 2 , H ₂ toward the inside in the width direction of the bicycle _. One operating section 22 can be operated from a position where the distal ends of the upright parts H ₃ and H ₃ are grasped, and a position where the proximal ends of the upright parts H ₃ and H ₃ are grasped. The other operating section 23 can be operated from the one operating section 22.
When operated, the operating body 2 swings clockwise in FIG. 1 about the support shaft 3, and the operating force is transferred to the transmission part 24
to the support body 4, and the support body 4 is connected to the fixing member 1.
while moving in the direction of separating from the fitting part 11,
The operating wire W supported by this support body 4 is pulled and braking can be performed. In addition, the other operation section 23
When operated, the operating body 2 swings counterclockwise in FIG. 1 about the support shaft 3, and the operating force is transferred to the transmission part 2.
5 to the support body 5, the support body 5 moves relative to the fixed member 1 in the direction of separating from the fitting part 12, and the outer cylinder O supported on this support body 5 moves in the compression direction, and can be braked. It is. Further, when the operation of the operating portion 22 or 23 is released, the operating body 2 returns via the support body 4 or 5 due to the restoring action of the return spring 8, so there is no need to provide a return spring in the brake. It is.

In addition, in the embodiment described above, the fitting parts 11, 1
2 is formed into a concave shape, but it may also be formed into a long hole shape.

(Effect of the invention) As described above, according to the invention, one of the operating parts 22 of the operating body 2 having a pair of operating parts 22 and 23 extending on both sides of the base 21 supported on the fixed member 1 is operated. By doing so, the operating wire can be pulled and braked, and by operating the other operating part 23, the outer cylinder can be moved in the compression direction and braked, while the base of the fixing member 1 A pair of fitting parts 11 and 12 are provided on both sides of the fitting part 21, and these fitting parts 11 and 1
Since the pair of supports 4 and 5 are supported movably in the swinging direction of the operating body 2, the number of parts is reduced compared to the conventional example described above, and the structure is simpler. The supports 4 and 5 can be supported on the fixing member 1 by a simple operation of simply fitting them into the respective fitting portions 11 and 12 without having to pivot the supports 4 and 5, which improves assembly work efficiency. can be improved. Therefore, since the structure can be simplified, it can be provided at a lower cost than the conventional example.

[Brief explanation of the drawing]

FIG. 1 is a front view showing an embodiment of the operating device of the present invention, FIG. 2 is a side view, FIG. 3 is an enlarged sectional view taken along the line of FIG. 2, and FIG. 4 is an enlarged sectional view taken along the line of FIG.
Figure 5 is a sectional view taken along the line shown in Figure 4, Figures 6A and 7A are enlarged side views of only the support, Figures 6B and 7B are longitudinal cross-sectional views of the same, and Figure 8 is It is a schematic explanatory diagram showing a usage state. 1...Fixing member, 11, 12...Fitting part, 2...
... Operating body, 21... Base, 22, 23... Operating section, 24, 25... Transmission section, 4, 5... Support body.

Claims (1)

[Scope of utility model registration request] An operating body 2 having a base 21 and a pair of operating parts 22 and 23 extending on both sides of the base 21 is swingably supported on the fixed member 1 . A pair of fitting parts 11 and 12 are provided on both sides of the base 21, and a pair of supports 4,
5 is supported movably in the swinging direction of the operating body 2, and an operating wire is connected to one of these supports 4 and 5.
The other side supports the outer tube for guiding the wire, and the operating body 2 is attached to the base 21.
A brake operating device characterized in that a pair of transmission parts 24 and 25 are provided for selectively moving the supports 4 and 5 in the fitting and disengaging direction during the operation.