CN1167714A - Rod handlebar mounting structure for motor-driven bicycle - Google Patents

Abstract

A rod-shaped handlebar installation structure capable of arbitrarily adjusting the height of handlebars at both ends of the rod-shaped handlebar of a motor vehicle, used for fixing the rod-shaped handlebar installation part to the upper end of the handlebar support shaft that is freely rotatable and supported on the head tube The handlebar support includes: a connecting pipe fitted on the upper end of the handlebar support shaft and fixed by bolts; a plate-shaped rod-shaped handlebar mounting member welded to the upper end of the connecting pipe; a lower cage fixed on the top of the rod-shaped handlebar mounting member; It is fixed on the upper surface of the lower holder with bolts, and the upper holder with the bar-shaped handlebar mounting part is clamped and fixed between the lower holder. By turning the mounting part of the stick handle clamped between the upper and lower holders, the mounting angle of the stick handle can be adjusted arbitrarily.

Description

Stick-shaped handlebar mounting structure for two-wheeled motor vehicle

The present invention relates to a two-wheeled motor vehicle in which a handlebar support shaft on which a rod-shaped handlebar is mounted on its upper end through a handlebar post is rotatably supported on a head pipe, and a cover is used to cover the front and rear of the head pipe. It is about the installation structure of its bar handlebar.

The mounting structure of this rod-shaped handlebar is known as the No. 60-24691 communiqué of Japanese Patent Reality. In this structure, in order to prevent the rod-shaped handlebar from interfering with the cover covering the front and rear of the head pipe, the lower end of the handlebar support that protrudes downward from the center of the rod-shaped handlebar is fitted to the handlebar that is freely rotatably supported on the head pipe. Support the upper end of the shaft and combine it with a steel belt.

But above-mentioned such existing structure, because handlebar support and rod-shaped handlebar are integrated, if handlebar support and handlebar support shaft are combined, then the positional relation of rod-shaped handlebar and handlebar support shaft is also determined. Therefore, to the car type that the height of the left and right handles of the bar handlebar is different, there is no shared bar handlebar, and various car types must have a special bar handlebar.

The present invention aims at making the installation angle of the stick-shaped handlebar of the two-wheeled motor vehicle arbitrarily adjustable in view of the aforementioned facts.

In order to achieve the above-mentioned object, the rod-shaped handlebar mounting structure of the motorcycle described in claim 1 of the present invention supports the handlebar support shaft at the upper end of the rod-shaped handlebar through the handlebar support so that it can rotate freely on the head pipe. and cover the front and rear of the head tube on the two-wheeled motor vehicle, which is characterized in that this structure includes: the aforementioned handlebar support is fixed on the connecting pipe at the upper end of the handlebar support shaft; the upper end of the connecting pipe is fixed on the connecting pipe The rod-shaped handlebar mounting member; the height of the handles at the left and right ends of the rod-shaped handlebar can be adjusted, and the rod-shaped handlebar mounting part is freely rotatably fixed to the upper cage of the rod-shaped handlebar mounting member.

In addition, the rod-shaped handlebar mounting structure for a motorcycle described in claim 2 of the present invention is characterized in that, in addition to the structure of claim 1 of the present invention, a headlight is supported on the handlebar bracket.

Furthermore, the rod-shaped handlebar mounting structure for a two-wheeled motor vehicle described in Claim 3 of the present invention is characterized in that, on the basis of the constitution of Claim 1 of the present invention, the axis of the handlebar support shaft close to the aforementioned handlebar mount The position of the body forms a line body guide part that extends from the bar-shaped handlebar side to the car body side and runs through the line body up and down.

Simple description of the picture

Fig. 1 is an overall side view of a small motorcycle type motorized two-wheeled vehicle; Fig. 2 is an enlarged view of the main part of Fig. 1; Fig. 3 is a view of direction 3 of Fig. 2; Fig. 4 is a sectional view of 4-4 of Fig. 2; Fig. 5 is 5-5 sectional view of Fig. 4; Fig. 6 is 6-6 sectional view of Fig. 4; Fig. 7 is 7-7 sectional view of Fig. 5 .

Next, embodiments of the present invention will be described with reference to embodiments of the present invention shown in the drawings.

1 to 7 are an embodiment of the present invention. FIG. 1 is an overall side view of a scooter-type two-wheeled motor vehicle. Fig. 2 is an enlarged view of the main part of Fig. 1; Fig. 3 is a view in direction 3 of Fig. 2; Fig. 4 is a sectional view of 4-4 in Fig. 2; Fig. 5 is a sectional view of 5-5 in Fig. 4; Fig. 6 is a sectional view of Fig. 4 6-6 sectional view; Fig. 7 is a 7-7 sectional view of Fig. 5 .

As shown in Figure 1, the frame F welded by the steel pipes constituting the V-shaped skeleton of a small motorcycle type motor two-wheel vehicle includes: a head pipe 1; a down pipe 3 connected by gusset plates 2 and 2 and extending to the rear and downward of the vehicle body The left and right main frames 4,4 are separated from the lower end of the down tube 3 near the left and right, extend to the rear and upper part of the car body, and are bent into a U shape at the rear end and connected into one. The front part of the left and right main frames 4, 4 and the lower end of the down pipe 3 are connected by a pair of reinforcing pipes 5, 5; The first cross member 6 and the second cross member 7 are connected.

The synthetic resin vehicle body B supported on the member F includes: a shin shield front member 8 covering the front of the head pipe 1; a shin shield rear member 9 combined with the rear of the shin shield front member 8 and covering the rear of the head pipe 1; The pedal 10 that is connected to the lower end of the leg guard rear member 9; the lower cover 11 that is connected to the lower end of the leg guard front member 8 and covers the pedal 10; the rear cover 12 that covers the rear of the vehicle body; The left and right side covers 13, 13 that are connected to the rear ends of the pedal 10 and the lower cover 11.

A front wheel wf covered by a front fender 15 is pivotally supported on the lower end of a front fork 14 rotatably supported by the head pipe 1 . The left-right central portion of a bar-shaped handlebar 18 is connected to the upper surface of the handlebar holder 17 extending upward from the upper panel 16 covering the upper end openings of the legguard front member 8 and the legguard rear member 9 . A headlight 19 and a speedometer 20 are supported on the handlebar mount 17 . In addition, on the right side of the head pipe 1, a handlebar lock device 21 integrally equipped with an ignition switch is supported.

The front end of the power unit p pivotally supporting the rear wheel wr is supported on the first cross member 6 so as to be able to swing up and down at its rear end; A seat 23 on which a driver sits is provided on the upper surface of the rear cover 12 .

Next, the mounting structure of the bar-shaped handlebar 18 will be described with reference to FIGS. 2 to 7 .

The lower end supports the handlebar support shaft 31 of the front fork 14 through the head pipe 1, and the ball bearing 32 sandwiched between the upper end of the head pipe 7 can rotate freely, but is supported in an axially non-movable manner. The ball bearing 32 includes: The outer ring 33 matched with the inner surface of the upper end of the head pipe 1; the inner ring 34 matched with the male thread ₃₁₁ processed on the outer circumference of the handlebar support shaft 31; the plurality of balls 35 arranged between the outer ring 33 and the inner ring 34 wait. The inner ring 34 leans against it and is fixed on the handlebar support shaft 31 by a washer 37 pressing the nut 36 matched with the aforementioned male thread 31 ₁ .

The handlebar support 17 fixed on the handlebar support 31 that protrudes upward from the upper end of the head pipe 1 includes: a connecting pipe 40 that fits on the outer periphery of the upper end of the handlebar support shaft 31 and is fastened with bolts 38 and nuts 39; A plate-shaped rod-shaped handlebar mounting member 41 at the upper end of the connecting pipe 40; a pair of left and right block-shaped lower holders 43, 43 fixed on the top of the rod-shaped handlebar mounting member 41 with bolts 42, 42; 55 is fastened on lower cage 43, and the upper cage 44 above 43 constitutes. When the lower holders 43, 43 are fixed on the bar-shaped handlebar mounting member 41, the protrusions 43 ₂ , 43 ₂ on the lower surface of the lower holders 43, 43 are matched with the holes 41 ₂ , 41 ₂ of the bar-shaped handlebar mounting member 41. Instead, rotation of the lower holders 43, 43 can be restricted (refer to FIG. 6).

It can be seen clearly from Fig. 5 and Fig. 7 that a through hole 40 ₁ matching with the fastening member 45 is formed in the front of the connecting pipe 40 passing through the bolt 38; ₂ . The fastening member 45 forms a bolt hole ₄₅₁ through the center of the bolt 38; on the side opposite to the surface that abuts on the head of the bolt 38, a concave arc that abuts on the outside of the handlebar support shaft 31 is formed. surface 452; and a slot 45 ₃ extending in the axial direction of the connecting pipe 40 is processed in the central portion of the arc surface 45 ₂ . Wedge-shaped edge portions 45 ₄ , 45 ₄ are formed at both left and right ends of the arcuate surface 45 ₂ .

When the bolt 38 and the nut 39 that connect the connecting pipe 40 to the handlebar support shaft 31 are tightened, the arc surface 45 ₂ of the fastening member 45 is guided by the outside of the handlebar support shaft 31, and the edges 45 ₄ , 45 ₄ are Centering on the slot ₄₅₃ , it spreads left and right, and the left and right outer surfaces of the fastening member 45 are crimped on the inner surface of the through hole ₄₀₁ of the connecting pipe 40. As a result, the connecting pipe 40 is firmly combined with the handlebar support shaft 31 to ensure that it is prevented from being deflected and loosened.

It can be seen from FIG. 6 that the semicircular recesses 43 ₁ , 43 1 formed on the top of the left and right lower cages 43 , ₄₃ and the semicircular recesses 44 ₁ , 44 ₁ formed on the bottom of the upper cage 44 sandwich the rod-shaped The central mounting portion 18 ₁ of the handlebar 18 is fastened by the fastening force of the bolt 55 . At this time, by changing the rotational position of the mounting portion ₁₈₁ of the rod-shaped handlebar 18, the heights of the handles 46, 46 at the left and right ends of the rod-shaped handlebar 18 can be adjusted in the direction of arrow AA' in FIG. 2 . In addition, by replacing the lower cages 43, 43, the upper cages 44, 44, and the bar-shaped handlebar 18, the interchangeability of the handlebar tube size can be increased, and the applicability to multiple models can be improved.

As can be seen from Fig. 4 and Fig. 5, at the front end of the mounting bracket 48 fixed on the upper retainer 44 with two bolts 47, 47, the speedometer 20 is elastically supported by two rubber pads 49, 49. Two bolts 50, 50 are fixed to the front end of the support member 51 at the front part of the bar-shaped handlebar mounting member 41, and the headlight 19 is fixed with the adjustable vertical angle by the bolts 52 arranged in the left and right directions. In this way, since the headlight 19 is supported on the handlebar support 17, even if the rotational position of the bar-shaped handlebar 18 mounting part ₁₈₁ is changed to adjust the height of the left and right handles 46, 46, the optical axis of the headlight 19 will not change. Great convenience.

In the vicinity of the axis of the handlebar support shaft 31 is formed a line body guide portion 41 ₁ that penetrates the bar-shaped handlebar mounting member 41 in the up and down direction _. Wire 53; cable 54 extending from speedometer 20; wire rope 56 extending from brake lever; oil pressure hose extending from brake cylinder; or electrical wiring extending from signal device switch or horn switch, etc. A bundle of pipelines bundled together. These conduits then pass through openings 16 ₁ (see FIG. 4 ) formed in the upper panel 16 and are introduced into the interior of the shin guard front member 8 .

Thus, the pipeline bodies around the rod-shaped handlebar 18 are all gathered together, and the appearance is neat and beautiful. Moreover, since the pipeline body guide portion 411 of the rod-shaped handlebar mounting member ₄₁ is formed near the axis of the handlebar support shaft 31, it can be positioned on the left and right. When the rod-shaped handlebar 18 is operated, the vibration of the pipeline body in the left and right directions is restricted to reduce the operating load.

The embodiments of the present invention have been described in detail above, but various design changes can be made without departing from the gist of the present invention.

For example, in the above-mentioned embodiment, the fastening member 45 is used when the handlebar 17 is fixed to the upper end of the handlebar support shaft 31, but the fastening member 45 may not be used, and it may only be fixed with common bolts. In addition, in the above-mentioned embodiment, the mounting portion 18 ₁ on which the rod-shaped handlebar 18 is clamped and fixed between the lower holder 43 and the upper holder 44, but other fixing methods can also be used, as long as the rod-shaped handlebar 18 can be rotated by an angle Adjustable on the line.

As above, as according to the invention described in scheme 1 of the present invention, because it cooperates the connecting pipe fixed on the upper end of the handlebar support shaft by the handlebar support; The height of the handlebars at both ends can be adjusted, and the holder of the rod-shaped handlebar mounting part can be freely rotatably fixed on the rod-shaped handlebar mounting member.

According to the invention described in the second aspect of the present invention, since the headlight is supported on the handlebar support, it is not necessary to provide a handlebar cover covering the periphery of the rod-shaped handlebar, and the headlight can also be supported, and even if the installation of the rod-shaped handlebar is adjusted, the headlight can also be supported. Angle, headlight axis will not change.

In addition, according to the invention described in claim 3 of the present invention, since the guide portion for vertical penetration of the pipeline body extending from the bar-shaped handlebar side to the vehicle body side is formed at the position near the axis of the handlebar support shaft of the handlebar mount, these The pipeline bodies can be bundled together compactly and introduced into the cover, which is not only neat and beautiful in appearance, but also can reduce the operating load of the stick-shaped handlebar caused by the resistance of the pipeline bodies.

Claims (3)

1. A rod-shaped handlebar installation structure of a two-wheeled motor vehicle, the handlebar support shaft (31) on which the rod-shaped handlebar (18) is installed at its upper end through the handlebar support (17) can be freely rotatably supported on the head on the pipe (1), and cover the front and back of the head pipe (1) with covers (8, 9), it is characterized in that the structure includes: Cooperate the connecting pipe (40) that is fixed on the upper end of the handlebar support shaft (31) with the aforementioned handlebar support (17); the rod-shaped handlebar mounting member (41) that is fixed on the upper end of the connecting pipe (40); Handlebar (18) handlebar (18) the height of the handle portion (46) of left and right ends, the installation part (18 ₁ ) of bar-shaped handlebar (18) is fixed freely rotatably on the retainer ( 43, 44). 2. The rod-shaped handlebar mounting structure for a two-wheeled motor vehicle according to claim 1, wherein the headlight (19) is supported on the handlebar support (17). 3. The rod-shaped handlebar installation structure of the described motor two-wheel vehicle according to claim 1 is characterized in that, at the position close to the axis of the handlebar support shaft (31) of the aforementioned handlebar support (17), a movable handlebar is formed. A line body guide part (41 ₁ ) through which the line bodies (53, 54) extending from the bar-shaped handlebar (18) side to the vehicle body side pass.

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