JPH0333590Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a bicycle brake lever mounting device.

(Prior Art) As a bicycle brake lever device, for example, there is one shown in FIG.
is removably tightened and fixed by a mounting bolt 33.

However, in the above-mentioned structure, the outer fitting part 32 is formed into a so-called C shape and is integrally formed, so that the bracket 31 can be attached and detached from the handlebar 30 easily.
must be done at the end of the handlebar 30,
It's very troublesome.

Therefore, in order to solve the above problem, a system as shown in FIG. 6 has been proposed.

In the one shown in FIG. 6, the outer fitting part 32 is divided into two parts in the circumferential direction, and a first part part 36 is fixed to the bracket main body part 35, and a first part part 36 is connected to and detachable from the first part part 36. It is composed of a two-divided section 37.

Both divided portions 36 and 37 are fixed to the handlebar 30 by releasably fastening corresponding circumferential ends of both divided portions 36 and 37 with mounting bolts 33, respectively.

In the case shown in FIG. 6, the bracket 31 does not need to be attached or detached at the end of the handlebar 30, and is very convenient in that respect.
Since both ends of the brackets 6 and 37 in the circumferential direction are releasably fastened by the mounting bolts 33, there is a problem in that it is troublesome to tighten and release the mounting bolts 33 when the bracket 31 is attached or removed.

Therefore, as a device which solves these problems and allows easy attachment and detachment work, there is, for example, the one described in FIG. 4 of Japanese Utility Model Application Publication No. 56-19485.

(Problem to be solved by the invention) What is described in the above-mentioned Utility Model Application Publication No. 1985-19485 is as follows:
Since a hook-like locking pawl was provided at one end of both split parts and engaged with the other end, and the other end was connected with a bolt, if the locking pawl were to break. , it was impossible to reuse it.

In addition, this conventional type lacks tightening stability because the width of one divided part is narrower than the other, and when a large force (force that is applied when falling) is applied, a gap occurs when fitting with the handlebar. I was afraid.

Therefore, an object of the present invention is to provide a bicycle handle lever mounting device that solves these problems.

(Means for Solving the Problems) In order to achieve the above object, the present invention takes the following measures. That is, the features of the present invention include a bracket main body 4 on which a brake lever 18 is swingably supported, and an external fitting part 5 extending from the main body 4 and detachably fixed to the handlebar 1. The external fitting part 5 is divided into a first divided part 6 and a second divided part 7 that sandwich the handlebar 1 from the radial direction, and the two divided parts 6 and 7 are divided into a first divided part 6 and a second divided part 7. The width dimensions of the ends facing each other are the same, and the ends face each other with a predetermined gap in the circumferential direction, and dovetail-shaped engagement recesses 12 are provided at both ends, respectively, It has an engaging part 10 that detachably engages with each of the engaging recesses 12 to prevent the opposing ends of the front divided parts 6 and 7 from separating in the circumferential direction, and the both engaging parts An engaging piece 8 having a projecting portion 25 that fills the predetermined gap in the circumferential direction over the entire length in the width direction of the outer fitting portion 5 is provided in the center between the holes. , are formed flush with the outer circumferential surfaces of both the divided parts 6 and 7, and at the other ends of the divided parts 6 and 7 that correspond to each other, there are mounting bolts 17 for tightening and fixing the other ends to each other. The point is that it is detachable.

(Embodiment) Hereinafter, a first embodiment of the present invention will be described based on the drawings of FIGS. 1 to 4. Reference numeral 1 denotes a handlebar, and grips 2 are fitted at both ends thereof.

Reference numeral 3 designates a hollow bracket, which includes a bracket main body portion 4 constituting the lower side and an outer fitting portion 5 constituting the upper side.
It consists of

The external fitting part 5 has a so-called C shape and is externally fitted and fixed to both ends of the handlebar 1 in a detachable manner.
It is divided into two parts in the circumferential direction, and consists of a first divided part 6 on the lower side that is integrally formed with the main body part 4, and a second divided part 7 that can be connected to and separated from the first divided part 6. .

Reference numeral 8 denotes an engaging piece which is detachably engaged with the corresponding circumferential ends of both the divided parts 6 and 7, and has a protruding part 25 projecting left and right in the I-shaped center part. A vertically elongated connecting portion 9 located at the center in the width direction (horizontal direction), and a pair of oblong engaging portions fixed at the horizontal center at both ends of the connecting portion 9 in the circumferential direction. It consists of 10.

The corresponding ends of both the divided parts 6 and 7 are
Dovetail-shaped engagement recesses 12 that face each other with a predetermined gap in the circumferential direction, and in which both ends of the engagement piece 8 in the circumferential direction are removably engaged in the central part of the engagement piece 8 in the axial direction (width direction).
is formed.

The engagement recess 12 includes a first notch 13 into which the connecting portion 9 is engaged, and a second notch 14 into which the engagement portion 10 is engaged.

The inner circumferential surface of the engaging piece 8 contacts the handlebar 1 over the entire circumferential length, and prevents relative movement of the two divided parts 6 and 7 in the axial direction at a portion over the entire circumferential length.

Further, due to the engagement between the engaging portion 10 of the engaging piece 8 and the second cutout portion 14, separation in the circumferential direction of the two divided portions 6 and 7 at the corresponding circumferential end portions is prevented.

Furthermore, the protruding portion 25 of the engaging piece 8 is connected to both the divided portions 6,
The circumferential gap 7 is filled in, and the outer peripheral surfaces of both the divided parts 6 and 7 are smoothly connected, and this protruding part 25
serves as a guide piece that stabilizes the position of the engagement piece 8.

The outer peripheral surfaces of the engaging portions of both the divided portions 6, 7 and the engaging piece 8 are flush.

Reference numeral 17 denotes a mounting bolt which releasably fastens the corresponding other ends of both the divided parts 6 and 7, thereby removably fastening and fixing both the divided parts 6 and 7 to the handlebar 1.

A brake lever 18 is rotatably supported on the main body 4 of the bracket 3 by a support shaft 19.

20 is Bowden wire, brake lever 18
One end of the outer wire 21 is received by the main body 4, and the inner wire 22 is connected to the brake lever 18 via a piece 23.

24 is an operating lever for quick release.

According to the embodiment configured as described above, when attaching the bracket 3 to the handlebar 1, for example, with the first divided portion 6 and the engagement piece 8 engaged,
The first divided part 6 is applied to a predetermined mounting position of the handlebar 1, then the second divided part 7 is applied to a predetermined mounting position of the handlebar 1 while engaging with the engagement piece 8, and then , both divided parts 6 and 7 are tightened and fixed to the handlebar 1 using mounting bolts 17. At this time, since the protruding portion 25 prevents the engaging piece 8 from wobbling and stabilizes it, the two divided portions 6 and 7 can be easily connected.

Furthermore, when removing the bracket 3 from the handlebar 1, the procedure is reversed.

Therefore, according to the above embodiment, the attachment and detachment of the bracket 3 to and from the handlebar 1 is performed by the handlebar 1.
It is not necessary to tighten the mounting bolts 17 at the ends of the bracket 3, which is very convenient, and since only one end in the circumferential direction of both the divided parts 6 and 7 is fastened with the mounting bolts 17, when the bracket 3 is attached or removed, the mounting bolts 17 are conclusion·
The release operation is easy.

(Effects of the invention) As described in detail above, according to the invention, there is no need to attach and detach the brake lever bracket to and from the handlebar at the end of the handlebar, which is very convenient, and also provides a Since only one end in the direction is releasably fastened by the mounting bolt, the mounting bolt can be easily fastened and released when the bracket is attached or removed. In addition, since the connecting portions of the two divided portions are connected via the engagement piece rather than the linear divided portions engaging with each other, the connecting strength can be increased, and the outer peripheral surface of the connecting portion can be increased. Since the surfaces are substantially flush, the appearance is good. Further, since the engaging piece is provided with a protruding portion, the engaging piece is stably held and the two divided portions can be easily connected. Further, after the connection, the protruding portion stabilizes both the divided portions and prevents the bracket from tilting even if a large force is applied in the event of a fall.

[Brief explanation of the drawing]

Figure 1 is a side view of the brake lever device, Figure 2 is a side view of the main parts, Figure 3 is a sectional view taken along the line A-A in Figure 1, Figure 4 is an exploded side view of the main parts, and Figure 4 is a side view of the main parts. Each of FIGS. 5 and 6 is a sectional view showing a conventional example. 1...Handlebar, 3...Bracket, 4...
... Bracket body, 5 ... External fitting part, 6, 7 ... First and second divided parts, 8 ... Engagement piece, 10 ... Engagement part, 12 ... Engagement recess, 17 ... Mounting bolt ,2
5...Protrusion part.

Claims (1)

[Claims for Utility Model Registration] A brake lever 18 is comprised of a bracket main body 4 on which it is swingably supported, and an external fitting part 5 extending from the main body 4 and detachably fixed to the handlebar 1. The external fitting part 5 is divided into a first divided part 6 and a second divided part 7 that sandwich the handlebar 1 from the radial direction, and the two divided parts 6 and 7 are opposed to each other. The width dimensions of one end portion are the same, and the end portions face each other with a predetermined gap in the circumferential direction, and a dovetail groove-shaped engagement recess 12 is provided at each end portion, and each of the above-mentioned engagement It has an engaging part 10 that removably engages with the mating recess 12 to prevent the opposing ends of the two front divided parts 6 and 7 from separating in the circumferential direction, and there is a gap between the two engaging parts 10. An engaging piece 8 having a protrusion 25 that fills a predetermined gap in the circumferential direction and extending over the entire length in the width direction of the outer fitting part 5 is provided in the center, and the outer circumferential surface of this engaging piece 8 is formed between the two sides. It is formed flush with the outer peripheral surfaces of the divided parts 6 and 7, and a mounting bolt 17 for tightening and fixing the other ends to each other is removably attached to the other ends of the divided parts 6 and 7 that correspond to each other. A mounting device for a bicycle brake lever, characterized in that it is provided with a bicycle brake lever mounting device.