JP2824301B2 - Motorcycle lead wire arrangement structure - Google Patents

Description

The present invention relates to an arrangement structure of a lead wire extending from a generator to a battery in a motorcycle.

(Prior art and its problems) In a motorcycle, a generator provided at an end of a crankshaft of an engine and a battery disposed, for example, below a seat are electrically connected by a lead wire. Some of the lead wires were exposed to the outside, causing a deterioration in the appearance of the motorcycle.

In addition, in order to prevent the lead wire from being damaged by heat, the routing of the lead wire is restricted due to the positional relationship with the exhaust pipe.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object the lead wire of a motorcycle which does not impair the appearance of the motorcycle and which is not damaged by heat from an exhaust pipe. The object of the present invention is to provide an arrangement structure.

(Means for Solving the Problems) In order to achieve the above object, according to the present invention, a generator is attached to one end of a crankshaft arranged in a vehicle width direction, and the generator is arranged parallel to the rear of the crankshaft body. A motorcycle in which a chain sprocket is attached to the end of the output shaft on the generator side and the chain sprocket is covered with a chain cover, a sound absorbing rubber is attached to the back surface of the chain cover, and the chain sprocket inside the chain cover is attached to the chain sprocket. A mounting plate is disposed at an opposing position, a lead extending from the generator to the battery is disposed between the chain cover and the mounting plate, and a part thereof is formed along a convex portion formed on an outer surface of the mounting plate. It is characterized by being attached.

(Operation) According to the present invention, since the lead wire is covered by the chain cover and cannot be seen from the outside, this does not impair the appearance of the motorcycle.

Further, even in a motorcycle in which the exhaust pipe is provided close to the chain sprocket, the lead wire can be disposed between the chain cover and the mounting plate and separated from the exhaust pipe. The wire can be effectively protected from heat damage, and the winding of the lead wire around the chain sprocket is reliably prevented by the mounting plate.

In addition, the stiffness of the mounting plate is increased by the protrusions formed on the outer surface of the mounting plate, and the lead wires can be easily routed along the protrusions.

Furthermore, since the sound absorbing rubber attached to the back surface of the chain cover is covered by the mounting plate located inside the chain cover, the sound absorbing effect of the sound absorbing rubber is enhanced.

Embodiment An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a side view of an engine part of a motorcycle showing a wiring structure of a lead wire according to the present invention, and FIG. 2 is II- in FIG.
FIG. 3 is a side view of the entire motorcycle.

First, the basic configuration of the motorcycle 1 will be outlined based on FIG.

In FIG. 3, reference numeral 2 denotes a front fork obliquely attached to the front of the vehicle body.
A front wheel 3 is rotatably supported at the lower end of the front wheel 3.

V is located behind the front wheel 3 and substantially in the center of the vehicle body.
A two-cylinder engine 4 is mounted, and exhaust pipes 5 and 6 are led out of the cylinders 4a and 4b of the engine 4, respectively.
The exhaust pipes 5 and 6 join on the way, and an exhaust muffler 7 is connected to an end thereof. A fuel tank 8 is arranged above the engine 4, and tandem seats 9 and 10 are arranged behind the fuel tank 8.

On the other hand, in FIG. 3, reference numeral 11 denotes a rear arm whose front end is pivotally attached to the vehicle body frame. A rear wheel 12 is rotatably supported at the rear end of the rear arm 11; A chain 17 is provided between a large-diameter chain sprocket 13 that rotates integrally with a small-diameter chain sprocket 16 (see FIG. 2) that is connected to an end of an output shaft 15 that projects to the side of the transmission case 14. Is wound. The chain sprocket 16 and a part of the chain 17 are covered by a chain cover 18 whose lateral sides are shaped like a side view.

The crankshaft of the engine 4 is arranged in the vehicle width direction. A generator 19 provided at one end of the engine 4 and a battery 21 arranged in a space surrounded by a vehicle body cover 20 below the seat 9 are provided. Are electrically connected by a lead wire 22. The arrangement of the lead wire 22 will be described in detail below with reference to FIGS. 1 and 2.

That is, the chain cover 18 is connected to the side of the transmission case 14 by screws 23. Inside the chain cover 18, a sound absorbing rubber 24 is attached by being supported by a plate 25. A kick shaft 26 extending laterally from the transmission case 14 penetrates a lower portion of the chain cover 18.

A mounting plate 27 is provided between the back surface of the chain cover 18 and the chain sprocket 16, and an upper portion of the mounting plate 27 is fastened together with the chain cover 18 by a screw 23, and a lower portion is provided. Is the kick shaft
It is welded to a collar 28 inserted into the outer periphery of 26. On the surface of the mounting plate 27 facing the plate 25, three hooks 29 having one end opened are welded. In the motorcycle according to the present embodiment, the exhaust pipe 6 derived from the cylinder 4b behind the engine 4 is arranged close to the chain sprocket 16 as shown.

Thus, the lead wire 22 derived from the generator 19 extends upward through the space between the chain cover 18 and the mounting plate 27 to the battery 21, and is disposed between the chain cover 18 and the mounting plate 27. The portion covered by the chain cover 18 is routed on the outer surface of the mounting plate 27 along a circular convex portion 27a (see FIG. 2).
It is fitted and attached to three hooks 29 welded around 27a.

As described above, since the lead wire 22 is covered by the chain cover 18 and cannot be seen from the outside, this does not impair the appearance of the motorcycle 1.

Further, even if the exhaust pipe 6 is provided close to the chain sprocket 16 as in this embodiment, the lead wire 22 is disposed between the chain cover 18 and the mounting plate 27, and the exhaust pipe 6
The lead wire 22 can be effectively protected from heat damage, and the mounting of the lead wire 22 around the chain sprocket 16 can be reliably prevented by the mounting plate 27. The rigidity of the mounting plate 27 is increased by the convex portions 27a formed on the outer surface of the mounting plate 27, and the lead wires 22 can be easily routed along the convex portions 27a.

Further, the sound absorbing rubber attached to the back surface of the chain cover 18 is covered by the mounting plate located inside the chain cover 18, so that the sound absorbing effect of the sound absorbing rubber 24 is enhanced.

(Effects of the Invention) As is apparent from the above description, according to the present invention, a generator is attached to one end of a crankshaft arranged in the vehicle width direction, and is arranged parallel to the rear of the crankshaft body. A motorcycle in which a chain sprocket is attached to the end of the output shaft on the generator side and the chain sprocket is covered with a chain cover, a sound absorbing rubber is attached to the back surface of the chain cover, and the chain sprocket inside the chain cover is attached to the chain sprocket. A mounting plate is disposed at an opposing position, a lead extending from the generator to the battery is disposed between the chain cover and the mounting plate, and a part thereof is formed along a convex portion formed on an outer surface of the mounting plate. Because I attached
The lead wires can be wired without damaging the appearance of the motorcycle, and the heat absorption rubber suppresses the transmission of heat to the chain cover, so that the lead wires do not receive heat damage from the exhaust pipe. .

Further, according to the present invention, the winding of the lead wire around the chain sprocket is reliably prevented by the mounting plate,
The protrusions formed on the outer surface of the mounting plate increase the rigidity of the mounting plate, and the lead wires can be easily routed along the protrusions.

Further, according to the present invention, since the sound absorbing rubber attached to the back surface of the chain cover is covered by the mounting plate located inside, the sound absorbing effect of the sound absorbing rubber is enhanced.

[Brief description of the drawings]

FIG. 1 is a side view of an engine part of a motorcycle showing a lead wire arranging structure according to the present invention, and FIG. 2 is a II-II of FIG.
FIG. 3 is an overall side view of the motorcycle. 1 ... motorcycle, 15 ... output shaft, 16 ... chain sprocket, 18 ... chain cover, 19 ... generator, 21 ...
... Battery, 22 ... Lead wire, 24 ... Sound absorbing rubber, 27 ...
… Mounting plate, 27a …… Protrusion.

Claims (1)

(57) [Claims] 1. A generator is attached to one end of a crankshaft arranged in the vehicle width direction, and a chain sprocket is attached to an end of an output shaft arranged parallel to the rear of the crankshaft on the generator side. A motorcycle comprising the chain sprocket covered with a chain cover, wherein a sound absorbing rubber is attached to a back surface of the chain cover, and a mounting plate is disposed at a position inside the chain cover facing the chain sprocket, and a battery is provided from the generator. A lead wire extending between the chain cover and the mounting plate, and a part of the lead wire is mounted along a convex portion formed on an outer surface of the mounting plate. Installation structure.