JPH0645349B2 - Wiring storage device for motorcycles - Google Patents

Description

The present invention relates to a wiring housing device formed on a frame made of an aluminum alloy (hereinafter referred to as aluminum) of a motorcycle.

[Prior Art] Generally, in a motorcycle, electrical components mainly around a headlight are connected to a generator and a battery by a wiring bundle in which a large number of wiring cords are bundled. This wiring bundle is conventionally provided along the inside of the frame or the like. In this case, in order to avoid interference between the wire bundle and other equipment, the important points of this wire bundle are covered with a protective tube.

By the way, in recent motorcycles, an aluminum frame may be used instead of the conventional steel pipe frame. In general, aluminum has lower strength than steel, so in order to secure the same strength as a steel pipe frame with an aluminum frame, an aluminum pipe with a larger cross-sectional area is used.
On the other hand, in recent motorcycles, in order to improve maneuverability, the mass is concentrated and the vehicle body is made compact, and various functional parts are equipped.

[Problems to be solved by the invention]

That is, in a motorcycle equipped with a conventional aluminum frame,
Where the space around the frame is reduced due to the downsizing of the vehicle body, etc., an aluminum pipe with a large cross-sectional area will be used, making it difficult to secure a space for passing the wire bundle.

Therefore, an object of the present invention is to ensure a wiring space with a simple structure in a motorcycle equipped with an aluminum frame.

[Means for solving problems]

The present invention is a wiring storage device characterized in that, in a motorcycle having an aluminum frame, a groove-shaped storage portion for storing and holding a trunk portion of a wiring bundle is provided in at least a part of a main pipe. .

[Action]

In the motorcycle wiring storage device according to the present invention, since the trunk portion of the wiring bundle is stored and held in the main pipe, the frame itself serves as a wiring space, so that it is necessary to independently secure the wiring space in the space around the frame. As a result, the problem of securing the wiring space is solved. Moreover, this wiring space can be realized by a simple structure in which the housing is simply recessed in the main pipe.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

1 to 4 show an embodiment of the present invention, in which 1 is a motorcycle, a frame 2 of the motorcycle 1 is a so-called double cradle type frame, and a front wheel is provided at a front end of the frame 2. Front fork 4 supporting 3
The rear arm 6 that supports the rear wheel 5 is pivotally supported at the rear end, and the engine 7 is mounted substantially at the center. Further, a fuel tank 8 and an air cleaner 9 are mounted on the upper portion of the frame 2, and a seat 11 is mounted on a seat rail 10 fixed to the frame 2. A headlight 12 is attached to the front fork 4, and although not shown, a generator is provided in the crankcase of the engine 7, and a battery is provided below the seat 11. .

The frame 2 is made of an aluminum casting steering head pipe 21 that pivotally supports the front fork 4, and a front end is welded to the head pipe 21, and a pair of left and right aluminum square pipes extending obliquely downward and rearward from the steering head pipe 21 are made of aluminum. Rear fork bracket 2 made of aluminum casting welded between the main pipes 22 and 22 and the rear ends of the main pipes 22 and 22.
3 and down pipes 24, 24 made of aluminum pipe arranged between the lower left and right side surfaces of the bracket 23 and front lower portions of the left and right main pipes 22, 22. .

As shown in FIG. 3, the left and right main pipes 22, 22 are spread from the steering head pipe 21 rearward in a bifurcated manner and extend rearward in parallel with each other. As shown in FIG. 1, each of the main pipes 22 is formed by inserting an U-shaped inner side wall 22b into an outer wall 22a having a U-shaped cross section and welding the overlapping portions of the both. The cross section shows a vertically long rectangular shape. An accommodating portion 22c is provided on the inner wall 22b of the left main pipe 22 for accommodating and holding a wire bundle described later. The storage portion 22c has a groove shape having a substantially semi-circular bottom surface, the opening portion thereof is slightly smaller than the outer diameter of the wiring bundle, and extends over the entire length of the main pipe 22.

The trunk portion 10 of the wiring bundle 10 is accommodated in the storage portion 22c.
a is fitted and stored. Although not shown, the wiring bundle 10 is a bundle of a large number of wiring cords for connecting various electric components around the headlight 12 to the electricity generation in the crankcase of the engine 7 and the battery below the seat 9. A protective tube 11 made of polyvinyl chloride (PVC) is fitted in a key portion of the protective tube 11.

Next, the function and effect of this embodiment will be described.

In this embodiment, a storage portion 22c is provided in the inner wall 22b of the left main pipe 22, and the wiring bundle 10 is provided in the storage portion 22c.
Since it is stored and held, the unused space of the main pipe 22 can be used as a wiring space, and the difficulty of securing a wiring space is released. Moreover, this wiring space can be realized only by forming a recess in the main pipe 22, and the structure is very simple. Further, as described above, the opening width of the housing portion 22c is slightly smaller than the outer diameter of the protective tube 11, and therefore the wiring bundle 10 housed in the housing portion 22c does not come off.

Furthermore, since the storage portion 22c is formed at the center of gravity with respect to the vertical bending load of the main pipe 22,
The storage portion 22c does not reduce the strength of the frame.

In addition, in the above embodiment, the storage portion 22c is connected to the main pipe 2.
Although it is formed over the entire length of 2, the length of this storage portion is determined according to the wiring route of the wiring bundle to be stored, and does not necessarily have to be provided over the entire length, and it may be provided at least in part. Good.

Further, in the above embodiment, the case where the main pipe 22 is a welded type pipe has been described. However, the present invention can be applied to the square pipe 32 formed by drawing as shown in FIG. 5, and in this case, the square pipe 32 may be formed by drawing into a shape in which the storage portion 32a is formed in the central portion of the inner wall. Further, in the above-described embodiment, the storage portion has a concave groove shape and is provided at the center of the inner wall of the main pipe. However, various modifications are conceivable as the position at which the storage portion is provided and the shape of the storage portion. For example, as shown in FIG. 6, an opening 42b having a width slightly smaller than the outer diameter of the protective tube 11 is formed in the bottom wall 42a of the main pipe 42, and a reinforcing wall 42c is formed above the opening 42b, and this space portion is formed. The storage section 42
Alternatively, as shown in FIG. 7, an opening 52b may be provided in the inner side wall 52a of the main pipe 52 and a reinforcing wall 52c may be formed, and this space portion may serve as the storage portion 52d.

Also in the case of FIGS. 6 and 7, the difficulty of securing the wiring space is released. In the case of FIGS. 6 and 7,
Although the frame strength is reduced by the openings 42b and 52b, the reduced amount is compensated by the reinforcing walls 42c and 52c, so that the problem of strength reduction does not occur.

〔The invention's effect〕

As described above, according to the motorcycle wiring storage device of the present invention, since the wiring storage portion is provided in the aluminum main pipe, the unused space in the main pipe can be used as a wiring space, and the wiring space can be secured. This has the effect of being released from the difficulty, and moreover, securing this wiring space can be realized with a simple structure in which the cross-sectional shape of the main pipe is slightly changed.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a main pipe for explaining a wiring storage device for a motorcycle according to an embodiment of the present invention, FIG. 2 is a side view showing the wiring bundle, and FIG. 3 is a plan view of the main pipe. FIG. 4 is a side view of a motorcycle to which the above embodiment is applied, and FIGS. 5 to 7 are transverse sectional views of a main pipe for explaining a modification of the above embodiment. In the figure, 1 is a motorcycle, 2 is a frame, 4 is a front fork, 6 is a rear arm, 10 is a bundle of wires, 21 is a steering head pipe, 22 is a main pipe, and 22.
Reference numeral c is a storage portion, and 23 is a bracket.

Claims (1)

[Claims] 1. A motorcycle comprising a frame in which a steering head pipe pivotally supporting a front fork and a bracket pivotally supporting a rear arm are connected by a pair of left and right aluminum alloy main pipes. A wiring storage device for a motorcycle, characterized in that a groove-shaped storage portion for storing and holding a trunk portion of a wiring bundle for electrically connecting an electrical component to a generator and a battery is provided at least in part.