JP6015560B2 - Wire harness wiring device for slide sheet - Google Patents

Description

  The present invention relates to a wire harness routing device for a slide sheet.

  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.

  As a harness routing device for routing between this type of vehicle body floor and a long slide seat, for example, Japanese Patent Laying-Open No. 2010-193599 (Patent Document 1) includes FIGS. 11 (A), 11 (B), and 12 (A). ) (B) 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 in parallel to the side of the wire harness rail 102. An electric wire surplus length accommodation case 110 is installed. That is, a separate wire harness rail 102 and an extra wire length accommodation case 110 are arranged in parallel on the side of the seat rail 101, which is the moving area of the slide seat 100. 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 wire 102 is inserted into the rail 102, passed through the slider 105 linked to the slide sheet 100, and wired to the slide sheet 100.

JP 2010-193599 A

  In the apparatus of Patent Literature 1, a space for arranging the wire harness rail 102 and the extra wire length accommodation case 110 in parallel on the side adjacent to the seat rail 101 is required, and there is a risk of interfering with existing installation equipment. Further, although the wire harness rail 102 and the electric wire extra length accommodation case 110 are disposed below the passenger compartment floor, the side of the seat rail 101 can easily place luggage on the floor and be easily stepped on by passengers. Therefore, there is a problem that it is necessary to increase the strength and the manufacturing cost is high.

  In particular, when the electric wire extra length storage case 110 for inserting electric wires into a substantially oval shallow resin case is horizontally arranged below the carpet of the passenger compartment floor material, there is a risk of damage caused by a load caused by a floor load or a foot. is there. Therefore, it is necessary to increase the rigidity by providing a rib in the extra wire length accommodation case 110, but the extra length absorption amount is reduced by the rib protruding into the extra wire length accommodation case, and the extra wire length accommodation case Increase in size. When the electric wire extra length storage case is enlarged, it becomes easy to interfere with existing installations such as an air duct piped to the side of the seat rail.

  The present invention has been made in view of the above problems, eliminates the need for large parts such as the extra wire length accommodation case and the rail for the wire harness, does not interfere with existing peripheral equipment, and has a good appearance. It is an object to provide a wire harness routing device for a slide sheet.

In order to solve the above problems, the present invention provides:
It has elasticity and flexibility in which an electric wire for a slide sheet is fixed between the lower surface of a belt-like carpet having elasticity and flexibility extending in the front-rear direction and the upper surface of a sheet-like holding material having elasticity and flexibility. A pair of front and rear strip wire holding materials are provided,
One front belt-shaped wire holding material and the other rear belt-shaped wire holding material are inserted and folded through a pair of front and rear arc-shaped through passages formed in one pulley part, and one end in the length direction of the front belt-shaped wire holding material is slid. While fixing to the front of the seat and fixing one end in the length direction of the rear belt-shaped electric wire holding material to the rear of the slide seat, the other end in the length direction of the front belt-shaped electric wire holding material is forward of the floor of the vehicle compartment And fixing the other end in the length direction of the rear belt-shaped electric wire holding material to the rear of the floor material, and the front belt-shaped electric wire holding material and the rear belt-shaped electric wire holding material on the floor material via the pulley part. Place them in front and back,
When one of the front belt-shaped electric wire holding material and the rear belt-shaped electric wire holding material is pulled out so as to be drawn from the floor material of the passenger compartment to the slide seat side according to the movement of the slide seat, either one is drawn from the slide seat side. There is provided a wire harness routing device for a slide seat configured to be pulled back to a position along the flooring.

In the wire harness routing device of the present invention, the front belt-shaped electric wire holding material and the rear belt-shaped electric wire holding material (hereinafter, referred to as “fixed”) between the lower surface of the belt- like carpet and the upper surface of the sheet-like holding material and interlocking with the slide sheet. The abbreviated front and rear belt-shaped electric wire holding members are preferably disposed between the left and right seat rails at the lower part of the slide seat, but may be disposed along the outer surface of one of the seat rails.

The floor material of the passenger compartment where the front and rear strip-shaped wire holding materials are arranged is recessed from the surrounding carpet material by the thickness dimension of the front and rear strip-shaped wire holding materials, and the recessed and filled portions are filled with the front and rear strip-shaped wire holding materials. And form a continuous plane with the surface of the surrounding carpet material.
In other words, in the portion where the front and rear belt-shaped wire holding materials are arranged, the uppermost carpet of the carpet laminated material laid as the passenger compartment floor material is not arranged, and the concave portion corresponding to the thickness of the carpet is provided. The front and rear belt-like electric wire holding materials are filled in and arranged to eliminate the level difference between the surface of the surrounding carpet and form a continuous plane.

The electric wires to be fixed to the lower surface of the belt-like carpet of the front and rear belt-like electric wire holding materials may be flat flat harnesses with round electric wires arranged in parallel, or a flat harness with a flat core wire, and flat on the lower surface of the carpet. It suffices if it is wired to. A sheet-like holding material having the same flexibility as the belt-like carpet on the upper surface is arranged on the lower surface of the electric wire wired in a flat manner, and a harness wired in a flat shape between the carpet on the upper surface and the sheet-like holding material on the lower surface is arranged. It is preferable to sandwich and integrate. As described above, since the electric wires to be laid on the slide sheet are arranged in parallel, the width of the belt-like electric wire holding member becomes wider as the number of electric wires increases.

  The electric wires held by the front and rear belt-shaped electric wire holding materials are connected to the wire harness (seat harness) electric wires drawn out from the slide seat fixing part and wired inside the slide sheet, while the electric wires drawn out from the floor material fixing part are The connector is connected to the floor harness.

One pulley component that penetrates the front and rear belt-shaped wire holding members has a pair of upper and lower pulleys rotatably mounted on a main body provided with a pair of front and rear arc-shaped through passages. The front and rear belt-shaped electric wire holding members that pass through the arc-shaped through passage are brought into contact with the pair of upper and lower pulleys in the vertical position, and the pulley rotates according to the movement of the front and rear belt-shaped electric wire holding members.
The curvature (R) of the arc-shaped through-passage is the minimum curvature that can be moved by curving the front and rear strip-shaped electric wire holding members, and the front and rear strip-shaped electric wires that are deformed into a lateral U shape and J shape following the movement of the slide sheet. The increase in the height of the material is suppressed.

  As described above, the wire harness routing device for a slide seat according to the present invention includes a pair of front and rear strip-shaped electric wire holding members having flexibility and one pulley part penetrating the front and rear belt-shaped electric wire holding members. It consists only of points, and it is only necessary to fix both longitudinal ends of the front and rear strip-shaped wire holding members to the slide seat and the floor of the passenger compartment. Therefore, large resin parts such as an extra wire length accommodation case and a wire harness rail required in the conventional device presented in Patent Document 1 can be eliminated, and the installation work on the automobile is simplified. And since it is only installed on the floor of the passenger compartment, it does not interfere with the existing installation equipment below the floor, and it does not generate a step difference from the carpet of the passenger compartment floor, improving the appearance. .

It is a whole perspective view showing an embodiment of a wire harness wiring device of the present invention. It is principal part sectional drawing of FIG. It is a principal part block diagram of embodiment. (A) is a perspective view of a front strip-shaped electric wire holding material, (B) is a cross-sectional view taken along line II of (A), and (C) is a perspective view of the rear strip-shaped electric wire holding material. (A) is a schematic plan view which shows the state which has arrange | positioned the front and back strip | belt-shaped electric wire holding material to the flooring of a vehicle interior, (B) is the II-II sectional view taken on the line of (A). (A) (B) is a perspective view which shows the action | operation of the front and back strip | belt-shaped electric wire holding material. A pulley part is shown, (A) is drawing which shows a structure, (B) is the III-III sectional view taken on the line of (A). It is explanatory drawing which shows the relationship between the slide amount of a front-and-rear strip | belt-shaped electric wire holding material and pulley components, and a slide seat. (A), (B), and (C) are drawings for explaining the relationship between the movement of the slide sheet and the operation of the front and rear belt-shaped electric wire holding members. It is drawing explaining the state at the time of packing of the said apparatus. A prior art example is shown, (A) is a whole perspective view, (B) is a BB line sectional view of (A). (A) and (B) are operation | movement explanatory drawings of the said prior art example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 10 show an embodiment of the present invention.
As shown in FIG. 1, an electrical component mounted on the slide seat 1 on the floor of the passenger compartment between the left and right seat rails 6 and 6 below the frame of the slide seat 1 on the passenger seat side mounted on the automobile ( A wiring device 2 for a wire harness 5 (seat harness) that feeds power (not shown) is installed. The wire harness 5 is composed of a group of electric wires connected to the floor harness 4 routed along the floor panel 3 and wired to the slide sheet 1. The electric wire group is divided into electric wire groups W1 and W2, and as shown in FIG. 4, the electric wire group W1 is fixed to the front belt-like electric wire holding member 10A, and the electric wire group W2 is fixed to the rear belt-like electric wire holding member 10B.

  The front belt-like wire holding material 10A and the back belt-like wire holding material 10B have the same shape, and the wires constituting the wire groups W1 and W2 are arranged in parallel on the lower surface of the belt-like carpet 11 having elasticity and flexibility extending in the front-rear direction. Wiring is used as a flat harness. Each electric wire which comprises electric wire groups W1 and W2 is made into the round electric wire which coat | covered the outer periphery of the core wire with the insulation coating layer. Alternatively, the core wire may be formed into a flat rectangular shape, and the core wires may be integrated as a flat harness covered in parallel by parallel wiring and covered with a laminate layer made of an insulating resin.

  An elastic and flexible sheet-like holding material 12 having the same shape as the upper-surface side belt-like carpet 11 is arranged on the lower surface of the electric wire groups W1, W2, and between the belt-like carpet 11 and the sheet-like holding material 12 is arranged. The wire groups W1 and W2 wired in a flat shape are sandwiched. The wire groups W1 and W2 are bonded and integrated with the upper and lower belt-like carpets 11 and the sheet-like holding material 12, respectively.

  The pair of front and rear belt-like electric wire holding members 10A and 10B are continuously arranged in the front-rear direction on the flooring 20 of the passenger compartment. Specifically, as shown in FIG. 3, one end in the length direction of the front strip-shaped electric wire holding member 10A is fixed to the front of the slide sheet 1 to be a slide-side front fixing point P1, and the rear belt-shaped electric wire holding member 10B One end in the length direction is fixed to the rear of the slide sheet 1 to form a slide side rear fixing point P2. Further, the other end in the length direction of the front strip-shaped wire holding material 10A is fixed to the front of the floor material 20 to be a floor-side front fixing point P3, and the other end in the length direction of the rear strip-shaped wire holding material 10B is set to the floor. It fixes to the back of the material 20, and is set as the floor side rear fixing point P4.

  Thus, the front and rear belt-like wire holding members 10A and 10B have the slide side front and rear fixing points P1 and P2 positioned above the floor 20 of the passenger compartment, and the floor side front and rear fixing points P3 and P4 are positioned below. The slide-side front fixing point P1 and the floor-side front fixing point P3 at both ends of the belt-like electric wire holding member 10A, and the slide-side rear fixing point P2 and the floor-side rear fixing point P4 at both ends of the rear belt-like electric wire holding member 10B are phased up and down. Therefore, as shown in FIGS. 3 and 6, the front and rear strip-shaped electric wire holding members 10A and 10B along the floor material 20 rise so as to be rolled at intermediate contact positions, and the front strip-shaped electric wire holding member 10A is bent forward. The rear belt-shaped electric wire holding member 10 </ b> B is curved backward and connected to the ride sheet 1.

  The floor material 20 of the passenger compartment is made of a laminated material in which a sound absorbing material and a vibration damping material are laminated, and a carpet material 21 is laid on the surface of the laminated material. As shown in FIG. 5 (B), the floor material 20 at the portion where the front and rear strip-shaped electric wire holding members 10A and 10B are arranged is thicker than the surface of the uppermost carpet material 21 around the thickness of the front and rear strip-shaped electric wire holding members 10A and 10B. t), the front and rear strip-shaped electric wire holding members 10A and 10B are along the floor material 20, and the surface fa of the surrounding carpet material 21 and the front and rear strip-shaped electric wire holding members 10A and 10B have a flat surface without a step. Try to form.

  The slide side front and rear fixing points P1 and P2 of the front and rear belt-shaped electric wire holding members 10A and 10B are fixed to the bottom plate of the seat frame of the slide seat 1 moving back and forth. It becomes a movement point that moves correspondingly. On the other hand, the floor side front and rear fixing points P3 and P4 of the front and rear strip-shaped electric wire holding members 10A and 10B are fixed to the floor material 20 and are not moved and are in a fixed position. Therefore, as shown in FIGS. 9A to 9C, the front and rear belt-shaped wire holding members 10A and 10B are deformed into a downward J shape, a U shape, and an upward J shape according to the back and forth movement of the slide sheet 1. To do.

  As shown in FIG. 7, the front and rear strip-shaped electric wire holding members 10A and 10B that are deformed into a J shape and a U shape are curved in a pair of front and rear arcs formed on one pulley component 15 with the middle curved portion back to back. The through passages 16A and 16B are slidably inserted. Specifically, pulleys 18A and 18B are rotatably attached to the upper and lower sides between a pair of left and right frames 17 serving as a main body via a rotation support shaft 19, respectively. Substantially semicircular arc guide protrusions 19A and 19B are provided from the frame 17 on both front and rear sides between the upper and lower pulleys 18A and 18B to form the arc-shaped through passages 16A and 16B.

  The front belt-shaped electric wire holding member 10A is passed through one forward-facing arc-shaped through passage 16A while being in sliding contact with the upper and lower pulleys 18A and 18B. The rear belt-shaped electric wire holding member 10B is passed through the other rearward arcuate through passage 16B while being in sliding contact with the upper and lower pulleys 18A and 18B. The pulley part 15 is supported in a suspended state by penetrating the front and rear strip-shaped wire holding members 10A and 10B. At the same time, the front and rear strip-shaped wire holding members 10A and 10B are deformably held back-to-back in J and U shapes. doing. The curvature R of the arc-shaped through passages 16A and 16B is set so that the front and rear strip-shaped wire holding members 10A and 10B can be bent with a minimum curvature, and suppresses the increase in height when deformed into a lateral U shape or J shape. ing.

  As shown in FIG. 3, the wire groups W1 and W2 fixed to the front and rear strip-shaped wire holding members 10A and 10B are respectively outward from the fixing points P1 and P3 and P2 and P4 of the front and rear strip-shaped wire holding members 10A and 10B. Pull out. The wire groups W1 and W2 drawn out on the slide sheet 1 side are connected to the harness W4 wired in the slide sheet 1 by the connector C1, and the wire groups W1 and W2 drawn out on the flooring 20 side are routed along the floor panel 3. Connected to the floor harness 4 by the connector C2.

  As shown in FIG. 8, the front and rear lengths (L) of the front strip-shaped wire holding material 10A and the back strip-shaped wire holding material 10B are the same. A length S (2L−a = S) obtained by subtracting the front and rear length (a) of the pulley part 15 from the total length (2L) of the front and rear strip-shaped electric wire holding members 10A and 10B slides. It is set to be the longitudinal slide length of the seat 1.

Next, the movement of the wire harness 5 following the back and forth movement of the slide seat 1 will be described with reference to FIG.
9A shows a state in which the slide sheet 1 is in the front end position, and the front belt-like electric wire holding member 10A is pulled out to the upper slide sheet 1 side as the slide sheet 1 moves forward. The floor side fixed point P3 is located below the pulley part 15. The rear belt-shaped electric wire holding member 10B has an upward horizontal J-shape, the slide-side fixing point P3 is located above the pulley part 15, and the rear belt-like electric wire holding member 10B is located along the floor material 20.

  The state in which the slide sheet 1 is retracted from the front end position of FIG. 9A and moved to the front-rear intermediate position is the state of FIG. 9B, and the front belt-shaped electric wire holding material 10A and the rear belt-shaped electric wire holding material 10B are either Is also U-shaped sideways, and is located between the front and rear belt-shaped wire holding members 10A and 10B in which the pulley parts 15 are back to back. In this state, one half of the longitudinal direction of the front and rear strip-shaped electric wire holding members 10A and 10B is along the slide sheet 1 and the other half is along the flooring 20.

  When the slide sheet 1 is moved backward from the intermediate position in FIG. 9B and moved to the rear end, the state shown in FIG. 9C is obtained. The front belt-shaped wire holding material 10A is pulled back to the lower floor material 20 side in accordance with the backward movement of the slide sheet 1, so that it becomes a J-shape upward, so that the rear belt-shaped wire holding material 10B is drawn by being pulled toward the slide sheet side. It becomes J shape in the horizontal direction.

  Thus, following the longitudinal movement of the slide sheet 1, one of the front and rear strip-shaped electric wire holding members 10 </ b> A and 10 </ b> B is pulled out in a state of rolling toward the slide sheet 1, and the other is pulled back along the floor side 20. . When the slide sheet 1 moves, the front and rear strip-shaped electric wire holding members 10A and 10B are covered with the front and rear strip-shaped electric wire holding members 10A and 10B between the front and rear fixing points P3 and P4. Therefore, the front and rear strip-shaped wire holding materials 10A and 10B can be filled on the floor material 20 that is recessed from the surrounding carpet material 21, and a flat surface continuous with the surrounding carpet material 21 is formed, so that no step is generated.

  As described above, the wire harness routing device of the present invention includes the front and rear strip-shaped electric wire holding members 10A and 10B and the pulley parts 15 penetrating the three parts, and the assembly factory of the automobile with these three points assembled. It is conveyed to. At the time of this conveyance, as shown in FIG. 10, the front and rear strip-shaped wire holding members 10A and 10B are passed through the pulley part 15 and both sides drawn out from the penetrating part are wound around the outer periphery of the pulley part 15 to form the outer shape. Small and can be packed. Thus, since it can pack and convey compactly from the state with which it mounts in a car, it has the advantage which can reduce transportation cost.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention. For example, the slide side front and rear fixing points P1 and P2 of the front and rear strip-shaped wire holding members 10A and 10B are fixed to the lower part of the frame side surface of the slide seat, and the floor side front and rear fixing point P3 is attached to the floor material at a position along the side of the seat rail. , P4 may be fixed.

DESCRIPTION OF SYMBOLS 1 Slide seat 3 Floor panel 4 Floor harness 5 Wire harness 6 Seat rail 10A Front strip-shaped electric wire holding material 10B Rear belt-shaped electric wire holding material 11 Strip-shaped carpet 15 Pulley part 18A, 18B Pulley 20 Car floor material W1, W2 Electric wire group

Claims (4)

It has elasticity and flexibility in which an electric wire for a slide sheet is fixed between the lower surface of a belt-like carpet having elasticity and flexibility extending in the front-rear direction and the upper surface of a sheet-like holding material having elasticity and flexibility. A pair of front and rear strip wire holding materials are provided,
One front belt-shaped electric wire holding material and the other rear belt-shaped electric wire holding material are inserted into a pair of front and rear arc-shaped through passages formed in one pulley part and folded, and one end in the length direction of the front belt-shaped electric wire holding material is slid. While fixing to the front of the seat and fixing one end in the length direction of the rear belt-shaped electric wire holding material to the rear of the slide seat, the other end in the length direction of the front belt-shaped electric wire holding material is forward of the floor of the vehicle compartment And fixing the other end in the length direction of the rear belt-shaped electric wire holding material to the rear of the floor material, and the front belt-shaped electric wire holding material and the rear belt-shaped electric wire holding material on the floor material via the pulley part. Place them in front and back,
When one of the front belt-shaped electric wire holding material and the rear belt-shaped electric wire holding material is pulled out so as to be drawn from the floor material of the passenger compartment to the slide seat side according to the movement of the slide seat, either one is drawn from the slide seat side. wiring harness device for a sliding seat which is configured to be pulled back to a position along the flooring. The casing of the flooring parts of placing said longitudinal strip wire holding member, only the thickness of the front after the strip wire holding member is recessed from the surrounding carpet materials, the longitudinal strip wire holding member to the portion Mase depressions The wire harness routing device for a slide sheet according to claim 1, wherein a flat surface continuous with a surface of the surrounding carpet material is formed. The electric wire fixed to the lower surface of the belt-like carpet of the front and rear belt-like electric wire holding members comprises a flat harness in which round electric wires are arranged side by side in a flat shape or a flat harness in which a core wire is flattened. The wire harness wiring device for slide sheets as described in 2. One pulley part that penetrates the front and rear belt-shaped electric wire holding members has a pair of upper and lower pulleys rotatably mounted on a main body provided with a pair of front and rear arc-shaped through passages, and the arc-shaped through passages are provided on the pulley. The slide according to any one of claims 1 to 3, wherein the front and rear strip-shaped electric wire holding members to be inserted abut on each other at a vertical position, and the pulley is rotated according to the movement of the front and rear strip-shaped electric wire holding members. Wire harness routing device for seats.

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