JPS584783Y2 - Wire harness wire harness - Google Patents

Description

[Detailed description of the invention] This invention relates to the wiring structure of a wire harness for a fuel tank installed in a motorcycle fuel tank to detect the remaining amount of fuel. The present invention relates to a wiring structure that allows wiring without being exposed.

Recently, motorcycles are also equipped with fuel meters, and these fuel meters are generally...
It is installed near the fuel tank or on the earthen wall of the fuel tank, and is configured so that it can be visually recognized from the outside.

Because this fuel meter is installed, a fuel unit is required to detect the remaining amount of fuel in the fuel tank.
For this reason, electrical wiring is required for the fuel tank, and conventionally the wire harness of the fuel unit was exposed outside the fuel tank outer panel and connected to the fuel meter near the handle or on the earthen wall of the fuel tank. That is the reality.

For this reason, the wiring of the wire harness is restricted, and the wiring must be placed adjacent to a heat source such as an engine, or the wires may be caught and damaged when passengers get on and off the vehicle or during driving operations. This is not desirable.

Furthermore, it is undesirable in terms of appearance to expose the wiring harness along the outer panel of the fuel tank.

The inventors came up with this idea in order to solve the problems caused by the above-mentioned wiring method for the fuel tank.
The purpose of this is to route the wires without exposing them to the outside of the fuel tank outer panel, ensure flexibility in wiring, and make it possible to route the wires away from the heat source. In order to achieve the above-mentioned objectives, we have developed a wiring structure for wires in a motorcycle in which the wiring does not obstruct the rider's getting on and off or driving operations, and also has a good appearance. is characterized in that a pipe material is provided that runs vertically between the top and bottom plates of the outer panel of the fuel tank, and the wire harness of the fuel unit is routed through the wiring passage formed by this pipe material.

A preferred embodiment of this invention will be described below in detail with reference to the accompanying drawings.

For example, as shown in the figure, the fuel tank 1 consists of an outer plate 2 as an upper member and a bottom plate 3 as a lower member, and the center of the bottom plate 3 is formed with an inverted U-shaped recess 4 through which the main frame passes in the longitudinal direction. As is clear from Fig. 2, it is formed into a saddle shape in the front section, and the distance between the bottom part 3a of the part of the bottom plate 3 through which the main frame passes and the upper plate 2a of the outer plate 2 is formed to be shorter than other parts. has been done.

A recess 5 is formed in the middle part of the upper plate 2a of the outer plate 2 over an appropriate length along the bottom 3a of the bottom plate 3, and a recess 5 is formed on the same surface as the upper plate 2a of the outer plate 2. Lid plate 6
is provided so that it can be opened and closed freely.

The bottom surface 5a of the recess 5 is provided with a fuel inlet 8 which is covered with a cap 7, and adjacent to the same recess 5 is a fuel unit which is a device for detecting the remaining amount of fuel in the fuel tank. 9 is fitted and installed through the opening 5b of the bottom surface 5a.

This fuel unit 9 is connected to a float (not shown) provided in the tank by an arm 10, and moves the robin via the arm 10 by raising and lowering the float in accordance with the fuel level, changing the electrical resistance, and moving the robot near the handle. The remaining amount of fuel is displayed by moving a display means such as a fuel meter needle installed at a visible position on the earthen wall of the fuel tank.

It is configured as follows.

In the above fuel tank, a pipe material 11 is vertically installed between the recess bottom surface 5a of the portion of the recess portion 5 adjacent to the fuel unit and the portion of the bottom portion 3a immediately below this, and the upper and lower ends of the pipe material 11 are It extends slightly outside the plate surface and bottom portion 3a of the recess 5.

The upper end 11, a of this pipe material 11 protrudes above the bottom surface 5a of the recess, and when fuel overflows onto the bottom surface 5a, the pipe material 11
Make sure that this does not flow into the fuel tank and that the wire harness 1.3 that is passed through this does not come into contact with the fuel.

A wiring passage 12 is watertightly partitioned from the fuel storage space 9 between the top plate 2a and bottom part 3a of the tank 1 by this pipe material 11.
The wire harness 13 of the fuel unit 9 is passed through the wiring passage 12, led out of the bottom portion 3a, and then connected to a power source and a handle operating section.

A fuel drain pipe material 14 was installed vertically between the recess 5 and the bottom 3a, adjacent to the wiring passage pipe material 11 and spaced from side to side.

The upper end of the drain pipe material 14 is flush with the bottom surface 5a of the recess 5, and in the illustrated example, the bottom surface 5a of the recess 5 is sloped downward from the front to the rear, so that the lowest four parts 5
It is provided at the rear of the tank, and is configured to discharge the fuel overflowing during fuel injection to the bottom of the tank from the drain passage 15 of this pipe material 14, and to prevent the fuel overflowing into the recess 5 from coming into contact with the wire... It is configured to extend above the bottom surface 5a of the recessed portion 5 at the upper end of the wiring pipe material 11.

As described above, by providing the wiring pipe material 11 and the fuel drain pipe material 14 on the left and right sides as shown in FIG. 2, they function as reinforcing materials for the fuel tank 1, and their rigidity can be made uniform.

According to this invention as described above, in order to lead the wire harness provided in the fuel tank to the lower part of the tank through the wiring passage formed by the pipe member provided vertically through the inside of the fuel tank, The wiring harness can be routed without being exposed at all on the front or side of the vehicle, so there is no possibility of the passenger coming into contact with it and damaging it.

In addition, as mentioned above, in order to lead out the wire to the outside of the bottom of the fuel tank, the wiring can be freely distributed and wired from this lead-out part along the main frame, and the wiring should be routed avoiding heat sources such as the engine. This has similar advantages in terms of wiring, and it is also good in terms of appearance as the wiring is not exposed.In terms of structure, it is simple as it is sufficient to simply install the pipe material vertically through the fuel tank, and it is also possible to It also functions as a reinforcing material and exhibits various excellent features such as increasing its rigidity, making it extremely practical.

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[Brief explanation of the drawing]

The drawings show one embodiment of this invention, and FIG. 1 is a side view with main parts cut away, and FIG. 2 is a sectional view taken along the line 22 in FIG. 1. In the drawing, 1 is a fuel tank, 9 is a fuel unit, 1
1 is a pipe material, and 13 is a wire harness.

Claims (1)

[Scope of utility model registration request] In a fuel tank for a motorcycle, the tank 1 is provided with an inverted U-shaped concave longitudinally in the center of the bottom plate through which the main frame passes, and is formed to have a saddle-shaped cross section, and is equipped with a fuel unit for detecting fuel inside. The bottom plate 3 is attached to the top plate 2a.
A recess 5 is formed over an appropriate length and covered with a lid plate so as to face the bottom 3a of the fuel tank. Two pipe materials 11 and 14 are vertically installed between the bottom surface 5a of the recess 5 and the bottom □3a of the tank bottom plate 3, and the upper end 11a of one of the pipe materials 11 is connected to the recess 5. The upper end of the other pipe member 14 is made to protrude upward from the bottom surface 5a and serve as a wiring passage 12 for the wire 13 from the fuel unit 9, and the upper end of the other pipe member 14 is connected to the recess 5.
A wiring structure for a wire harness in a fuel tank of a motorcycle, characterized in that the wire harness is formed on the same plane as the bottom surface 5a of the fuel tank to serve as a drain passage 15 for fuel that overflows when fuel is injected.