JP5979053B2 - Wire harness wiring device for slide sheet - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a wire harness routing device for a slide seat, and in particular, a floor harness that eliminates movement of a seat harness routed in a slide seat that moves back and forth from a portion pulled out of the slide seat and is fixed to the vehicle body side. It is connected to simplify the wiring harness wiring and reduce the required space below the seat.

  A vehicle seat is equipped with various electrical components such as an electric reclining device and a seat heater. In order to supply power to these electrical components, a power supply wire harness is routed from the vehicle body floor to the seat. In the case of a slide sheet, it is necessary to cause the wire harness to follow the sliding motion of the sheet. For this reason, the wire harness is provided with an extra length portion.

  A wiring harness routing device for this type of slide seat is usually provided with a surplus length accommodating case for accommodating a surplus length portion of the electric wire, and the surplus length accommodating case is disposed below the floor on the side of the seat rail. There are many cases. In the case of a long slide seat, a harness rail is laid in parallel with the seat rail, and an excess wire length accommodating case is continuously arranged on the harness rail, and the harness rail and the excess wire length accommodating case are arranged on the side of the seat rail. Located at the bottom of the floor.

  As a harness routing device that is routed between a vehicle body floor of this type and a long slide seat, a device shown in FIGS. 6 (A), 6 (B), and 6 (C) is disclosed in JP 2010-193599A (Patent Document 1). Is provided. In this apparatus, the wire harness rail 102 is laid on the floor in parallel and adjacent to the side of the seat rail 101 for the slide seat 100, and the electric wire in parallel is adjacent to the side of the wire harness rail 102. An extra length accommodation case 110 is installed. The wire harness W / H wired to the slide sheet 100 is branched from the floor harness and inserted into the extra wire length accommodation case 110 in a state of being covered with a corrugated tube. The slide 102 is wired through the slider 103 that moves in conjunction with the slide sheet 100 in the rail 102.

  In the apparatus disclosed in Patent Document 1, as shown in FIG. 6 (B), a floor panel 150 made of a steel plate constituting a bottom wall of a vehicle body, and a molding 160 arranged as a compartment floor material above the floor panel 150 are provided. In the space C, the seat rail 101, the wire harness rail 102, and the wire extra length accommodation case 110 are installed in parallel.

JP 2010-193599 A

  As described above, in the conventional apparatus such as Patent Document 1, the wire harness W / H wired in the slide sheet 100 is pulled out of the slide sheet 100 and then the wire harness rail 102 and the extra cable length accommodation case 110 are used. The inside of the slide sheet is slidable so as to follow the slide of the slide sheet. As described above, when a harness rail or an extra-length storage case is installed on the floor side, it is difficult to secure an installation space when the installation space is large on the floor side and there are many existing materials.

  The present invention intends to solve the above-mentioned problem, so that the extra length of the wire harness wired to the slide seat can be absorbed in the slide seat, and no extra length absorbing device is provided on the floor side. An object of the present invention is to reduce the necessary space on the floor side by connecting a wire harness that is wired to a slide seat to a fixed wire harness.

To solve the above problems, the present invention is surplus length absorbing device SSs the wire excess length accommodating case and the harness rail provided continuously mounted on the vehicle is fixed, within the sliding seat while the wiring sheets harness that is inserted through the harness rail and the wire surplus length housing case,
Harness inserting groove having an extraction opening in the bottom surface of the harness rail provided with a protruding frame portion protruding from the holding portion slidably fitted to the harness insertion groove outwardly through said extraction opening slider is provided,
Wherein said sheet harness that will be inserted to the harness insertion groove of the harness rail are passed to the projecting frame portion from the holding portion of the slider, connector pulling out sheets harness terminal from protruding Dewaku portion connected,
Wherein the connector connected to the floor harness routed in a vehicle being arranged in place in the movement region of the sliding seat, is configured to the connector Ru is connected to the connector terminals of the seat harness,
The surplus length absorbing device is fixed to a side surface or a lower surface of a seat frame of a slide seat, and the surplus length absorbing device and the wire surplus length accommodation case and the harness rail are integrally formed,
The electric wire surplus length accommodation case has an oval shape with long sides in the front-rear direction, a bottom plate portion, a peripheral wall standing along the outer peripheral edge of the bottom plate portion, and a front end of the peripheral wall facing the bottom plate portion Including a holding plate portion that protrudes into the wire harness, and two harness insertion ports that serve as entrances and exits for the seat harness that is turned and accommodated in the extra wire length accommodation case,
Extending rearward the harness rail electric wire excess length extending in the longitudinal direction along the longitudinal direction of the long side of the housing case, and continuous with the wire surplus length accommodation case the harness through opening that is provided on the front end side of the The harness insertion groove is present, the rear end of the harness insertion groove is located on the rear side of the slide seat,
Wherein is inserted to the harness rail are configured to excessive length of the further sheet harness insertion length of the harness rail are absorbed after absorbing by turning the extra length of the sheet harness in the wire excess length accommodating case A wire harness routing device for a slide sheet is provided.

  As described above, the extra length absorbing device provided with the electric wire extra length accommodation case and the harness rail is fixed to the slide sheet, the extra length absorber itself is interlocked with the movement of the slide sheet, and connected to the floor harness side connector. Since the slider that holds the connector of the harness terminal needs to be held in a fixed position, the harness rail of the surplus length absorber moves relative to the slider. As a result, the connector of the terminal of the seat harness pulled out from the slide seat can be held at a fixed position and can be connected to the connector of the floor harness terminal at a fixed position on the floor side. Thus, since it is not necessary to provide the surplus length absorber on the floor side, the installation space can be made unnecessary and does not interfere with the existing installation object. Furthermore, if the surplus length absorbing device is arranged on the floor on the side of the slide seat, a load due to a floor load or a step is applied, and there is a risk that durability may be impaired. However, when the slide seat is fixed to the slide seat, the load is not applied.

  When the front and rear lengths of the electric wire extra length housing case and the harness rail are made as large as possible, the extra length absorption of the seat harness can be increased.

The seat harness to be accommodated in the extra wire length accommodation case and the harness rail is covered with a caterpillar type protector,
The protector is formed in a cylindrical shape by bending a plurality of folding lines extending in the length direction on the belt-shaped flat plate and spaced in the width direction, and spaced in the length direction in the width direction. It is preferable to make a notch in one side to make the other side continuous and to separate the other side, and to be bent in one side but not in the other side.

  As described above, in the present invention, a surplus length absorbing device including a wire surplus length accommodating case and a harness rail that absorbs the surplus length of the seat harness is fixed to the slide sheet, and the surplus length absorbing device is moved to the slide sheet. Since the connector of the seat harness terminal that is interlocked and inserted into the surplus length absorbing device and absorbs the surplus length according to the movement of the slide seat is disposed at a fixed position, the floor harness is disposed at a fixed position on the floor side. It is possible to connect to the connector on the side, and it is not necessary to install an extra length absorber on the floor side. As a result, no installation space is provided on the floor on the side of the slide seat, interference with existing objects can be prevented, and installation work is simplified.

Embodiment of the wire harness wiring apparatus of this invention is shown, (A) is a perspective view of a slide sheet, (B) is a principal part side view. (A) is principal part sectional drawing of the said wire harness wiring apparatus, (B) is a partial cross section figure of a surplus length absorber, (C) is a perspective view of a slider. (A) is a front view of a surplus length absorber, (B) is a BB line sectional view of (A), (C) is a CC line sectional view of (A). The caterpillar type protector exterior to a seat harness is shown, (A) is a perspective view, and (B) is a developed view. (A) is explanatory drawing which shows the motion of a slide seat, (B) is drawing which shows the motion of the seat harness in a surplus length absorber. (A)-(C) are drawings which show a prior art example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 5 show an embodiment of the present invention.
As shown in FIGS. 1 and 2, a wire harness (hereinafter referred to as “wire harness”) is arranged on a floor harness W / H arranged on a floor panel 2 in order to supply power to an electrical component (not shown) mounted on a slide sheet 1 mounted on an automobile. , Referred to as seat harness 5) are connected by connectors C 1 and C 2, and the seat harness 5 is routed through the surplus length absorbing device 10 fixed to the slide seat 1 and wired inside the slide seat 1.

  As shown in FIG. 2, the surplus length absorber 10 is fixed in the vertical direction on the outer surface of the side plate 4 of the seat frame of the slide sheet 1 and covered with the seat side cover 8. As shown in FIG. 3, the surplus length absorbing device 10 is composed of a single part in which a wire surplus length accommodating case 11 and a harness rail 12 are integrally formed of resin.

  The extra wire length accommodating case 11 has a substantially oval shape, and the harness rail 12 extends linearly from the short side 11b side to the other short side 11c along the straight long side 11a. The extra wire length accommodating case 11 has a peripheral wall 21 standing at a position spaced apart from the outer periphery of the substantially oval bottom plate portion 20, and is folded inward from the tip of the peripheral wall 21 to provide a holding plate portion 22. ing. The holding plate portion 22 is provided at intervals in the length direction of the peripheral wall 21, and a harness insertion passage 24 having a required height is provided between the holding plate portion 22 and the bottom plate portion 20. As shown in FIG. 3 (B), the bottom plate portion 20 facing the holding plate portion 22 is provided with a punching hole 23 and molded without a slide die.

In addition, a peripheral wall is not provided at the boundary portion between the long side 11a and the short side 11b of the peripheral wall 21, a harness insertion opening 25 is provided, and communicated with a harness insertion groove 26 provided in the front-rear direction along the entire length of the harness rail 12. Yes. A partition wall 27 is erected from the bottom plate portion 20 so as to be continuous with the front end of the long side 11 a where the harness insertion port 25 is provided. Holding plate portions 28 are provided alternately with the holding plate portions 22 from the protruding end of the partition wall 27.
The seat harness 5 that is inserted from the harness rail 12 through the harness insertion port 25 in the electric wire surplus housing case 11 passes along the inner surface of the long side 11d through the path between the partition wall 27 and the short side 11b. After making a U-turn on the inner surface side of the short side 11c, wiring is performed along the inner surface of the long side 11a, and the seat harness 5 is pulled out from the harness insertion port 29 provided before reaching the partition wall 27 and wired in the slide seat 1. .

  The harness rail 12 is provided with the harness insertion groove 26 formed of a recess in the upper surface opening continuously in the length direction. As shown in FIG. 3 (C), an opening 26a for drawing out is provided on the bottom surface of the harness insertion groove 26. Provided.

In order to fix the surplus length absorbing device 10 to the side plate 4 of the seat frame of the slide seat 1, a bracket 32 </ b> A provided with a bolt hole projecting from the outer peripheral edge of the bottom plate portion 20 of the wire surplus length accommodating case 11 and the harness rail 12. A bracket 32B provided with a bolt hole is also projected from the lower surface of the side wall. As shown in FIG. 2A, the brackets 32A and 32B are aligned with bolt holes (not shown) of the side plate 4 of the seat frame and fastened and fixed with bolts and nuts.
And after fixing the surplus length absorber 10 to the side plate 4 of a seat frame, the seat side cover 8 shown to FIG. 2 (A) is attached to the side plate 4, and the surplus length absorber 10 is covered.

As shown in FIG. 2 (A), the slide seat 1 is slidably attached to a pair of left and right seat rails 6 mounted on the floor panel 2 via a support base 50. ing. Each seat rail 6 is inserted into the seat rail 6 with the shaft portion 3a of the seat leg portion 3 protruding below the seat of the slide seat 1, and the arm portion 3b extends from the shaft portion 3a to the left and right, and the outer surface of the arm portion 3b. A wheel 3c that is pivotally supported on the vehicle is rotatably fitted in a side space 6a in the seat rail 6. On the upper wall 6f of the left and right side space 6a sandwiching the upper surface opening 6c at the center of the seat rail 6, moldings 33A and 33B serving as vehicle compartment floor materials are laid on the upper surface.
The molding 33B is provided with a wire harness insertion hole 33h, the seat harness 5 pulled out from the tip of the harness rail 12 is wired to the lower part of the molding 33B through the wire harness insertion hole 33h, and fixed to the floor panel 2 side below. The floor harness W / H is connected to the connectors C1 and C2.

  The seat harness 5 inserted from the wire excess length accommodation case 11 into the harness insertion groove 26 of the harness rail 12 is covered with a caterpillar type protector 30 shown in FIG. 4, and the front end of the seat harness 5 covered with the protector 30 is shown in FIG. (B) It is fitted and fixed to the slider 9 shown in (C).

The slider 9 is provided with a rectangular tube-shaped holding portion 9a for fitting and fixing the tip of the protector 30, and a protruding frame portion 9b protruding outward from the holding portion through the extraction opening 26a.
The holding portion 9a is slidably fitted in the harness insertion groove 26, and protrudes downward from the protruding frame portion 9b through the drawing opening 26a.
The front end of the seat harness 5 inserted through the harness insertion groove 26 is passed through the holding portion 9a of the slider 9 and then through the protruding frame portion 9b, and the connector C1 is connected to the end of the seat harness 5 that is pulled out from the lower end opening of the protruding frame portion 9b. The connector C1 is positioned and held by the slider 9.
The protruding frame portion 9b of the slider 9 passes through the wire harness insertion hole 33h provided in the molding 33B as described above, and is connected to the connector C2 of the floor harness W / H below the molding.

The caterpillar-shaped protector 30 that is externally mounted on the seat harness 5 is assembled by bending a flat plate 40 made of a continuous strip-like material shown in FIG. The flat plate 40 is provided with four bent lines 41, 42, 43, 44 extending in the length direction X at intervals in the middle portion in the width direction Y, and the flat plate 40 is provided with five sides in the width direction. It divides into S1-S5, bend | folds the folding lines 41-44 at right angle, and is assembled in the square cylinder shape as shown to FIG. 4 (A) by overlapping the both sides S1 and S5 of the width direction.
Locking protrusions 45 protrude from the side edges of one side S1 on both sides in the width direction of the flat plate 40 and are locked in locking holes 46 provided in the other side S5. Further, the flat plate 40 is provided with cut lines 48 in the width direction Y connecting the four bent lines 41 to 44 at intervals in the length direction X to separate the sides S2, S3, and S4. In addition, an arcuate cut 49 having a straight line is provided at the center of the side S3 at the center of the cut line 48, one side adjacent in the length direction is projected in an arc, and the other is formed in an arc. Recessed and provided with an uneven fitting part.
While the protector 30 bends the folding lines 41 to 44 in advance, the locking protrusions 45 are not inserted into the locking holes 46, and the both sides S1 of the protector 30 are folded in a state where the wire harness of the seat harness 5 is opened. Insert from the opening between S5. After inserting the wire group, the sides S1 and S5 are overlapped, the locking protrusion 45 is inserted and locked into the locking hole 46, and the wire group is inserted into the square tube and is covered.

Next, the movement of the seat harness 5 that follows the sliding operation of the slide seat 1 will be described with reference to FIG.
When the slide sheet 1 is moved in the front-rear direction, the surplus length absorber 10 fixed to the slide sheet 1 is also moved in the front-rear direction. Since the seat harness 5 pulled out from the harness rail 12 of the surplus length absorber 10 via the slider 9 is pulled and fixed to the lower part of the floor through the wire harness insertion hole 33h provided in the molding 33B, the electric wire of the surplus length absorber 10 The seat harness 5 moves in the extra length housing case 11 and the harness rail 12 to absorb the extra length of the electric wire.

  The upper diagram of FIG. 5B shows a state in which the slide sheet 1 has moved forward, the lower diagram shows the state in which the slide sheet has moved rearward, and the slider 9 is in a fixed position, and the slider 9 is fitted therein. The harness rail 12 of the surplus length absorbing device 10 is moved back and forth in accordance with the back and forth movement of the slide seat 1.

  As described above, the surplus length absorbing function of the seat harness 5 according to the slide of the slide seat 1 is provided to the extra wire length accommodating case 11 of the surplus length absorber 10 fixed to the slide seat 1 and the harness rail 12. ing. Accordingly, it is not necessary to further move the seat harness 5 pulled out from the harness rail 12 on the floor side, and the seat harness 5 can be connected to the floor harness by being pulled downward from the wire harness insertion hole 33h provided in the molding 33B. Therefore, it is not necessary to install an extra length absorber on the floor side.

DESCRIPTION OF SYMBOLS 1 Slide seat 2 Floor panel 3 Seat leg part 5 Seat harness 6 Seat rail 9 Slider 10 Surplus length absorber 11 Wire surplus length accommodation case 12 Harness rail 26 Harness insertion groove 30 Caterpillar type protector

Claims (1)

Excess length absorbing device and the wire excess length accommodating case and the harness rail provided continuously to the sliding seat provided in a vehicle is fixed, the sheet harness the wire excess length accommodating case for interconnection in said sliding seat while a that is inserted into the harness rail,
Harness inserting groove having an extraction opening in the bottom surface of the harness rail provided with a protruding frame portion protruding from the holding portion slidably fitted to the harness insertion groove outwardly through said extraction opening slider is provided,
Wherein said sheet harness that will be inserted to the harness insertion groove of the harness rail are passed to the projecting frame portion from the holding portion of the slider, connector pulling out sheets harness terminal from protruding Dewaku portion connected,
Wherein the connector connected to the floor harness routed in a vehicle being arranged in place in the movement region of the sliding seat, is configured to the connector Ru is connected to the connector terminals of the seat harness,
The surplus length absorbing device is fixed to a side surface or a lower surface of a seat frame of a slide seat, and the surplus length absorbing device and the wire surplus length accommodation case and the harness rail are integrally formed,
The electric wire surplus length accommodation case has an oval shape with long sides in the front-rear direction, a bottom plate portion, a peripheral wall standing along the outer peripheral edge of the bottom plate portion, and a front end of the peripheral wall facing the bottom plate portion Including a holding plate portion that protrudes into the wire harness, and two harness insertion ports that serve as entrances and exits for the seat harness that is turned and accommodated in the extra wire length accommodation case,
Extending rearward the harness rail electric wire excess length extending in the longitudinal direction along the longitudinal direction of the long side of the housing case, and continuous with the wire surplus length accommodation case the harness through opening that is provided on the front end side of the The harness insertion groove is present, the rear end of the harness insertion groove is located on the rear side of the slide seat,
Wherein is inserted to the harness rail are configured to excessive length of the further sheet harness insertion length of the harness rail are absorbed after absorbing by turning the extra length of the sheet harness in the wire excess length accommodating case Wire harness wiring device for slide seats.

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