JP6822137B2 - Protector structure for linear parts - Google Patents

Description

The present invention relates to a protector structure for linear parts such as wire harnesses allocated to a vehicle.

Conventionally, as a method of arranging harnesses such as wire harnesses that transmit power or signals in a narrow space of a vehicle, it is common to regulate the route with a protector made of a hard resin. For example, a cable tie is often used as a method of fixing an electric wire to a protector. Further, as disclosed in Patent Document 1, ribs are added in the protector to further regulate the electric wire, thereby improving the rigidity of the protector.

JP-A-2016-46942

However, when a strong electric wire such as a thick harness is housed in a protector, there is a problem that the protector is not sufficiently rigid and the protector is deformed.

INDUSTRIAL APPLICABILITY Since the linear component (harness) is fixed to the protector at a place having high rigidity against twisting, the present invention provides a protector structure for the linear component without applying an extra load due to the linear component (harness) to the protector. With the goal.

The present invention for solving the above problems, the protector structure for fixing the linear part to be fixed portion, the protector body for fixing the linear component, across the linear component holder, away from each other from both sides provided to be shifted to the pair of vehicle body fixing portion extending along the fixed portion in a direction in the longitudinal direction, the protector body by fixing these body fixing portion to the fixed portion is fixed, the The pair of vehicle body fixing portions includes a first vehicle body fixing portion and a second vehicle body fixing portion, and the linear component is a first vehicle body fixing portion connecting the first vehicle body fixing portion and the second vehicle body fixing portion. It is fixed to the protector main body on a virtual line, and the protector main body is provided with two openings through which a binding band for fixing the linear component is inserted, and a second virtual connecting the two openings. The wires are set so as to intersect in the direction in which the linear parts are extended, the protector main body is provided with a mounting portion to be attached to the fixed portion, and the mounting portion is provided with the linear parts. In the extending direction, it is arranged between the first vehicle body fixing portion and the second vehicle body fixing portion, and in the direction in which the second virtual line extends, the first vehicle body fixing portion and the first vehicle body fixing portion. disposed between the second vehicle body fixing portion, further, so as to be aligned in two of the openings, that are arranged along the second virtual line.

According to the protector structure of the linear component of the present invention, since the fixing portion between the harness and the protector is set on the line connecting the vehicle body fixing portions for fixing the protector body to the vehicle body, the rigidity against torsion is at another position. And the protector is less likely to deform.

It is a conceptual diagram of the lower surface of the vehicle body which shows the protector structure of the linear part of this invention. It is a partially enlarged perspective view of FIG. It is a partially enlarged perspective view which shows the protector by removing the cover of FIG. It is a partially enlarged view of FIG. It is a perspective view which looked at the protector of FIG. 3 from the upper oblique side. The protector of FIG. 5 is shown, (a) is a front view, (b) is a bottom view, and (c) is a left side view. 6 is a cross-sectional view taken along the line AA of FIG. 6A. FIG. 6B is a cross-sectional view taken along the line BB of FIG. 6B.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings of FIGS. 1 to 8.
As shown in FIG. 1, on the lower surface of the vehicle body floor 1, a floor tunnel 2 is provided in the vehicle body front-rear direction at the center in the vehicle width direction, and front floor panels 3 are arranged on both sides of the floor tunnel 2. There is. A rear floor panel 4 is provided behind the front floor panel 3.
A pair of side members 5 are provided on the left and right sides of the lower surface of the vehicle body floor 1, and power is supplied or signals are transmitted to various equipment between the side member 5 on one side and the floor tunnel 2. A wire harness 6 for bundling cables for this purpose is arranged.

In this embodiment, the adopted vehicle relates to a vehicle in which a lithium-ion battery for idling stop is arranged on the passenger seat in the passenger seat (via a bracket), and is provided through a hole provided in the floor panel 3. The structure is such that a lithium-ion battery in the vehicle interior and an electric component outside the vehicle are connected by a wire harness (electric wire) 6. The wire harness 6 is thicker and harder than a normal wire harness.
When passing a harness through a hole in a factory, it is necessary to bend a thick and hard harness. In order to secure this bending allowance, the end of the harness needs to be separated from the protector by a certain length. (Finally, cover it from below with a separate cover so that the harness is not exposed.)
The straight portion connecting the two fixing points to the vehicle body arranged on both sides (left and right) of the harness has high rigidity against twisting. At the intersection (near) of this straight line and the harness, the harness and protector are fixed with a cable tie. Since it is fixed at the highly rigid part, it is possible to prevent the protector from being deformed when the harness is bent.

2 to 8 show the structure of the resin protector 7 for arranging the wire harness 6.
The protector 7 is hinged to a semicircular main body (protector main body) 71 having a predetermined length on one side of the central portion of the main body 71, and covers the central portion of the main body 71 in the longitudinal direction. A rotatable lid portion 72, a first vehicle body fixing arm portion 73 extending outward toward the other side of the central portion of the main body portion 71 opposite to the lid portion 72, and the wire harness 6. A second vehicle body fixing arm portion 74 extending diagonally forward on the opposite side of the vehicle body fixing arm portion 73 is provided at the tip end portion of the main body portion 71 of the protector 7 in the wiring direction. A protrusion 73a for positioning is formed on the vehicle body fixing arm portion 73 (see FIG. 5).

The flange portions 2a on both sides of the floor tunnel 2 are provided with a closed cross-sectional portion 2b provided between the flange portions 2a and the front floor panel 3. A protrusion 73a for positioning the vehicle body fixing arm portion 73 is engaged and assembled with an engaging recess (not shown) provided on the upper surface panel 2c of the closed cross-sectional portion 2b.
Next to the vehicle body fixing arm portion 73, a mounting portion 75 having a length about half that of the vehicle body fixing arm portion 73 is extended and provided. The mounting portion 75 is formed with a mounting hole 75a for fastening with a pin 76 to the flange portion 2a of the floor tunnel 2. (See FIGS. 3 and 5). The second vehicle body fixing arm portion 74 is formed with a mounting hole 74a for mounting on the floor panel 3, and is mounted on the seat surface portion 3a of the floor panel 3 via a screw 77.

As shown in FIG. 5, the wire harness 6 is routed inside the main body 71 of the protector 7, and the binding band 8 is passed through the openings 71a and 71b provided at the front position of the main body 71. Is united through. As shown in FIG. 6A, the position of the binding band 8 is the wiring direction X of the wire harness 6 and the line Y connecting the first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74. It is provided on the intersecting wire Z, and the first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74 are connected by a continuous surface passing through the mounting portion 75.

The rear end portion of the wire harness 6 is once bent downward and then bent upward so as to be inserted above the floor panel 3 through a mounting hole 31 formed in the floor panel 3 and connected to a power source of a lithium ion battery. Has been done. A guide pipe 32 that serves as a guide for the wire harness 6 is penetratingly supported in the mounting hole 31. A notch 32a is formed in the front surface of the guide pipe 32 on the wire harness 6 side, and the wire harness 6 is pulled out above the floor panel through the notch 32 along the inside of the guide pipe 32. Has been done. The tip of the wire harness 6 is connected to a lithium ion battery for idling stop, which is arranged on the passenger seat side in the passenger seat and attached via a bracket. The bent portion of the wire harness 6 is covered with a cover 9 so as not to be exposed to the outside.

According to the above configuration, the wire harness 6 that has been arranged on the lower surface of the front floor panel 3 is pulled out through the inside of the protector 7, is once curved downward, and then is sharply bent upward from the cutout portion 32a. The wire harness 6 enters the inside of the guide pipe 32 and is pulled out above the front floor panel 3 along the inner wall surface. At this time, in the protector 7, the bundle of the wire harness 6 is bound and fixed by the binding band 8 on the line connecting the first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74.
In this way, the position of the binding band 8 is provided on the line connecting the first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74, so that the rigidity against twisting is ensured, and thus the wire harness. Sufficient strength can be obtained even if twisting occurs due to the bent portion of 6. Since the first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74 are connected by a continuous surface, it is possible to prevent the protector 7 from being deformed by the strength of the thick wire harness 6.

As described above, according to the present invention, the fixed portion is sandwiched between the main body 71 of the protector 7 for fixing the wire harness 6 as the linear component, and the fixed portion is separated from both sides of the holding portion. The first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74, which are a pair of vehicle body fixing portions extending along the front floor panel 3, are provided so as to be displaced in the longitudinal direction. The first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74 are fixed to the front floor panel 3, and the main body portion 71 of the protector 7 is fixed. Then, since the wire harness 6 is fixed to the main body portion 71 of the protector 7 on the line connecting the first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74, which are the vehicle body fixing portions, the rigidity against twisting. Is higher than other positions, and the protector 7 is less likely to be deformed.
Further, since the direction in which the wire harness 6 which is the linear component is extended and the direction in which the first vehicle body fixing arm portion 73 and the second vehicle body fixing arm portion 74 are connected to each other intersect at an acute angle. , The distance between both fixed portions can be secured, and the fixed portion between the protector 7 and the floor panel 3 of the fixed portion is stabilized.

In the range where the vehicle body fixing portions are linearly connected to each other, a mounting portion 75 as an extension portion for connecting the vehicle body fixing portions to each other by a surface is provided on the main body portion 71 of the protector 7, so that the rigidity of the protector 7 can be increased. Can be secured.
Further, since the vehicle body fixing portion is fixed to the closed cross-sectional portion of the lower part of the floor tunnel, which is the strength improving portion of the floor panel to be fixed, and the seat surface portion formed on the floor panel, the vehicle body fixing portion can be used. Can be firmly fixed.

In the above embodiment, the case where the wire harness 6 is bound by the binding band 8 has been described, but if it is a linear member, it can be applied to any member and bundled. , It is not limited to the binding band 8. Further, although the wire harness 6 used for connecting to the lithium ion battery for idling stop has been described, it is not limited to the lithium ion battery for idling stop, but is also used for connecting other power sources or harnesses for signal transmission. Can be done. It goes without saying that the present invention can be appropriately modified and implemented without changing the technical scope of the present invention.

1 Body floor (fixed part)
2 Floor tunnel 3 Front floor panel 31 Mounting hole 32 Guide pipe 32a Notch 4 Rear floor panel 5 Side member 6 Wire harness (linear part)
7 Protector 71 Main body (Protector main body)
71a, 71b Opening 72 Lid 73 First vehicle body fixing arm (vehicle body fixing part)
74 Second body fixing arm part (body fixing part)
75 Mounting part 76 Pin 8 Cable tie 9 Cover

Claims (4)

In the protector structure that fixes the linear part to the fixed part
The protector body for fixing the linear component, across the linear component holder, provided to be shifted to the pair of vehicle body fixing portion extending along the fixed portion in a direction away from each other from both sides in the longitudinal direction , and wherein the protector body is fixed by fixing the body fixing portion to said fixed portion,
The pair of vehicle body fixing portions include a first vehicle body fixing portion and a second vehicle body fixing portion.
The linear component is fixed to the protector main body on a first virtual line connecting the first vehicle body fixing portion and the second vehicle body fixing portion .
The protector main body is provided with two openings through which a binding band for fixing the linear component is inserted, and the linear component extends in a second virtual line connecting the two openings. Set to intersect in the direction of
The protector main body is provided with a mounting portion to be mounted on the fixed portion.
The mounting part is
The linear component is arranged between the first vehicle body fixing portion and the second vehicle body fixing portion in the extending direction.
Moreover, it is arranged between the first vehicle body fixing portion and the second vehicle body fixing portion in the direction in which the second virtual line extends.
Furthermore, two of the so arranged in the opening, the protector structure of the linear part, characterized that you have been arranged along the second virtual line. The protector structure for a linear component according to claim 1, wherein the direction in which the linear component is extended and the direction in which the vehicle body fixing portions are connected to each other intersect at an acute angle. The protector of a linear component according to claim 1, wherein an extension portion for connecting the vehicle body fixing portions to each other by a surface is provided in the protector main body in a range in which the vehicle body fixing portions are linearly connected to each other. Construction. The protector structure for linear parts according to claim 1, wherein the vehicle body fixing portion is fixed to a strength improving portion of the fixed portion.

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