JP2022030325A - Arrangement structure for slide sheet - Google Patents

Abstract

To provide an arrangement structure for a slide seat capable of suppressing mutual interference of a plurality of wiring harness.SOLUTION: An arrangement structure 1 for a slide sheet includes: a protector 4 connected to a slider supported by a slide rail 101 extending along a vehicle longitudinal direction X; a plurality of wire harnesses 2 electrically connected to a slide sheet 10 having a slider, being held by the protector, and arranged inside a slide rail from the protector toward an end of the slide rail; and a plurality of storage chambers 36 that are arranged at an end of the slide rail and individually store the plurality of wire harnesses.SELECTED DRAWING: Figure 3

Description

The present invention relates to a wiring structure for a slide sheet.

Conventionally, there is a wire harness that is arranged on a slide sheet. In Patent Document 1, a rail for a slide seat installed on the floor of a vehicle, a slider slidably attached to the rail, a wire harness extending from the slide seat side, and a wire harness are connected to the slider. Also disclosed is a wire harness routing device comprising a guide member that guides the side of the rail and along the rail, and an accommodating portion that movably accommodates the wire harness as the slider moves.

Japanese Unexamined Patent Publication No. 2019-68563

In a configuration in which a plurality of wire harnesses are routed to a slide sheet, it is desirable that interference between one wire harness and another wire harness can be suppressed. For example, it is preferable to be able to suppress interference when the wire harness is unwound from the accommodating chamber in response to the movement of the slide sheet and when the wire harness is accommodated in the accommodating portion.

An object of the present invention is to provide a wiring structure for a slide sheet that can prevent a plurality of wire harnesses from interfering with each other.

The wiring structure for a slide seat of the present invention is electrically connected to a protector connected to a slider supported by a slide rail extending along the vehicle front-rear direction and a slide seat having the slider. A plurality of wire harnesses that are held by the protector and are arranged inside the slide rail from the protector toward the end of the slide rail, and are arranged at the end of the slide rail. It is characterized by comprising a plurality of storage chambers for individually accommodating the plurality of the wire harnesses.

The wiring structure for a slide sheet according to the present invention has a plurality of storage chambers for individually accommodating a plurality of wire harnesses. According to the wiring structure for the slide sheet according to the present invention, there is an effect that it is possible to prevent a plurality of wire harnesses from interfering with each other.

FIG. 1 is a perspective view of a wiring structure for a slide sheet according to the first embodiment. FIG. 2 is a perspective view showing a flip-up state of the slide sheet according to the first embodiment. FIG. 3 is a front view of the wiring structure for the slide sheet according to the first embodiment. FIG. 4 is a side view of the wiring structure for the slide sheet according to the first embodiment. FIG. 5 is a perspective view of a wiring structure for a slide sheet according to the first embodiment. FIG. 6 is a perspective view of the slide rail according to the first embodiment. FIG. 7 is a plan view of the wiring structure for the slide sheet according to the first embodiment. FIG. 8 is a perspective view of a wiring structure for a slide sheet according to the first embodiment. FIG. 9 is an exploded perspective view of the case according to the first embodiment. FIG. 10 is an exploded perspective view of the case according to the first embodiment. FIG. 11 is a perspective view of the protector according to the first embodiment. FIG. 12 is an exploded perspective view of the protector according to the first embodiment. FIG. 13 is a perspective view showing a wiring route in the protector of the first embodiment. FIG. 14 is a plan view of the wiring structure for the slide sheet according to the first embodiment. FIG. 15 is a front view of the wiring structure for the slide sheet according to the first embodiment. FIG. 16 is a front view of the case according to the second embodiment. FIG. 17 is an exploded perspective view of the case according to the second embodiment. FIG. 18 is a perspective view of the main body of the case according to the second embodiment.

Hereinafter, the wiring structure for the slide sheet according to the embodiment of the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment. In addition, the components in the following embodiments include those that can be easily assumed by those skilled in the art or those that are substantially the same.

[First Embodiment]
The first embodiment will be described with reference to FIGS. 1 to 15. The present embodiment relates to a wiring structure for a slide sheet. FIG. 1 is a perspective view of a wiring structure for a slide sheet according to the first embodiment, FIG. 2 is a perspective view showing a flip-up state of the slide sheet according to the first embodiment, and FIG. 3 is a first embodiment. A front view of the wiring structure for the slide sheet according to the first embodiment, FIG. 4 is a side view of the wiring structure for the slide sheet according to the first embodiment, and FIG. 5 is a wiring for the slide sheet according to the first embodiment. A perspective view of the structure, FIG. 6 is a perspective view of the slide rail according to the first embodiment, FIG. 7 is a plan view of a wiring structure for a slide sheet according to the first embodiment, and FIG. 8 is a first embodiment. 9 is an exploded perspective view of the case according to the first embodiment, and FIG. 10 is an exploded perspective view of the case according to the first embodiment.

11 is a perspective view of the protector according to the first embodiment, FIG. 12 is an exploded perspective view of the protector according to the first embodiment, and FIG. 13 is a perspective view showing a routing route in the protector of the first embodiment. FIG. 14 is a plan view of the wiring structure for the slide sheet according to the first embodiment, and FIG. 15 is a front view of the wiring structure for the slide sheet according to the first embodiment.

FIG. 1 shows a slide sheet 10 to which the wiring structure 1 for the slide sheet of the present embodiment is applied. The slide sheet 10 is arranged in the vehicle interior of the vehicle 100. The slide seat 10 is a seat in the rear row of the vehicle 100, and is, for example, a seat in the third row counting from the front. As shown in FIG. 3 and the like, the wiring structure 1 for the slide seat of the present embodiment is a wiring structure for electrically connecting the vehicle body side of the vehicle 100 and the slide seat 10 by the wire harness 2. The wire harness 2 has, for example, a cylindrical exterior member 21 and a plurality of electric wires 20 housed inside the exterior member. The plurality of electric wires 20 include, for example, a power line and a signal line. The wiring structure 1 for a slide sheet according to the present embodiment includes a protector 4, a wire harness 2, and a case 3.

As shown in FIG. 1, the vehicle 100 has an interior material 5. The interior material 5 is a member constituting the side wall of the vehicle interior of the vehicle 100. The interior material 5 is fixed to the inner surface side of the vehicle body panel, for example. The interior material 5 may be a member molded from a resin. The interior material 5 extends along the vehicle front-rear direction X and the vehicle vertical direction H. The interior material 5 is supported by, for example, the floor member 102.

The slide seat 10 of the present embodiment is configured to be slidable along the vehicle front-rear direction X. The slide sheet 10 has a slide body 7, a seat cushion 8, a seat back 9, and a slider 11. The vehicle 100 has a slide rail 101 that guides the slide body 7. The slide rail 101 is arranged on the outside of the vehicle with respect to the interior material 5, and is fixed to the vehicle body. The slide rail 101 extends along the vehicle front-rear direction X. The slide body 7 is slidably supported by the slide rail 101. That is, the slide body 7 is slidably supported by the vehicle body of the vehicle 100 in the vehicle front-rear direction X. The slider 11 is slidably supported by rails arranged on the floor member 102.

The slide seat 10 of the present embodiment is configured so that the seat cushion 8 can be flipped up. The seat cushion 8 is connected to the slide body 7 so as to be rotatable relative to the slide body 7. The rotation axis of the seat cushion 8 is along the vehicle front-rear direction X. FIG. 2 shows a slide seat 10 in which the seat cushion 8 is flipped up. In the following description, the state in which the seat cushion 8 is flipped up in the slide seat 10 is simply referred to as a “jump-up state”. Further, in the slide seat 10, the state in which the seat cushion 8 is deployed so that the occupant can sit on the seat cushion 8 is simply referred to as a “deployed state”. In the unfolded state, the seat surface of the seat cushion 8 faces upward in the vehicle vertical direction H, and the seat back 9 is raised.

When the seat cushion 8 is flipped up, first, the seat back 9 is tilted down and the seat back 9 is integrated with the seat cushion 8. After that, the seat cushion 8 and the seat back 9 are raised toward the interior material 5. When the seat cushion 8 rotates relative to the slide body 7, the slide seat 10 is in a flip-up state. In the flip-up state, the back surface of the seat back 9 faces the interior material 5. The back surface of the seat back 9 may come into contact with the interior material 5 in the flip-up state.

The slide body 7 has a slider 70 shown in FIG. 5 and an armrest 73 shown in FIG. As shown in FIG. 5, the slider 70 has a main body 71 and a pair of support portions 72, 72. The main body 71 is slidably supported by a slide rail 101. The interior material 5 has a facing portion 5a facing the slide rail 101 in the vehicle vertical direction H. The facing portion 5a is located above the slide rail 101. A through hole 50 is formed in the facing portion 5a. The through hole 50 penetrates the facing portion 5a along the plate thickness direction. Further, the through hole 50 has a width through which the main body 71 can be inserted, and extends along the vehicle front-rear direction X. The main body 71 and the projecting portion 45 of the protector 4 project from the through hole 50 toward the upper side of the vehicle.

The support portion 72 projects upward from the main body 71. The pair of support portions 72, 72 face each other in the vehicle front-rear direction X. A support hole 72a is formed in the support portion 72. The support hole 72a is a recess or a hole formed along the vehicle front-rear direction X. The support hole 72a rotatably supports the rotation axis of the seat cushion 8. The support hole 72a may be provided with a bearing that supports the rotating shaft of the seat cushion 8. The armrest 73 is connected to the slider 70. The armrest 73 covers the slider 70 from above, for example, in the vertical direction H of the vehicle.

As shown in FIGS. 4 and 5, the case 3 is arranged adjacent to the slide rail 101. The case 3 is a housing for accommodating the wire harness 2. As shown in FIG. 7 and the like, the wiring structure 1 for the slide sheet according to the present embodiment has two wire harnesses 2. In the following description, one of the two wire harnesses 2 will be referred to as a first wire harness 2A, and the other of the two wire harnesses 2 will be referred to as a second wire harness 2B.

As shown in FIG. 6, the shape of the slide rail 101 is a substantially square cylinder shape. The slide rail 101 is formed of, for example, a metal plate. The slide rail 101 has a bottom wall 101a, a first side wall 101b, a second side wall 101c, a first facing wall 101d, a second facing wall 101e, a first guide wall 101f, and a second guide wall 101g. The bottom wall 101a is a support wall that supports the slider 70 and the protector 4 from below. The first side wall 101b and the second side wall 101c are erected from the end of the bottom wall 101a along the vehicle vertical direction H. The first side wall 101b and the second side wall 101c face each other in the vehicle width direction Y.

The first facing wall 101d and the second facing wall 101e face the bottom wall 101a in the vehicle vertical direction H. The first facing wall 101d extends from the upper end of the first side wall 101b toward the side of the second side wall 101c. The second facing wall 101e extends from the upper end of the second side wall 101c toward the side of the first side wall 101b. The first guide wall 101f extends from the tip of the first facing wall 101d toward the bottom wall 101a. The second guide wall 101g extends from the tip of the second facing wall 101e toward the bottom wall 101a. A gap 101h is provided between the first guide wall 101f and the second guide wall 101g. The tip of the first guide wall 101f and the tip of the second guide wall 101g are separated from the bottom wall 101a.

The slide rail 101 has a first passage 103 and a second passage 104. The first passage 103 is a passage through which the first wire harness 2A is arranged. The first passage 103 is a space portion surrounded by a first side wall 101b, a first facing wall 101d, a first guide wall 101f, and a bottom wall 101a. The cross-sectional shape of the first passage 103 is rectangular. The second passage 104 is a passage through which the second wire harness 2B is arranged. The second passage 104 is a space surrounded by a second side wall 101c, a second facing wall 101e, a second guide wall 101g, and a bottom wall 101a. The cross-sectional shape of the second passage 104 is rectangular.

As shown in FIG. 8 and the like, the case 3 has a first case 3A and a second case 3B. In this embodiment, the shape of the first case 3A and the shape of the second case 3B are the same. The first case 3A is a case 3 accommodating the first wire harness 2A, and the second case 3B is a case 3 accommodating the second wire harness 2B. As shown in FIG. 7, the first case 3A is arranged along the first passage 103 of the slide rail 101. The second case 3B is arranged along the second passage 104. The first wire harness 2A is routed from the first case 3A to the protector 4 in the first passage 103. The second wire harness 2B is routed from the second case 3B to the protector 4 in the second passage 104.

FIG. 8 shows a wiring route in which the slide rail 101 and the protector are not shown. As shown in FIG. 8, each wire harness 2 has an electric wire 20 and an exterior member 21. The electric wire 20 may be a bundle of electric wires having a plurality of electric wires. The exterior member 21 is a flexible member that protects the electric wire 20, and is, for example, a corrugated tube. In the following description, the electric wire 20 and the exterior member 21 of the first wire harness 2A will be referred to as the first electric wire 20A and the first exterior member 21A. The electric wire 20 and the exterior member 21 of the second wire harness 2B are referred to as a second electric wire 20B and a second exterior member 21B.

The first electric wire 20A is inserted through the first exterior member 21A. The end portion 21x of the first exterior member 21A is fixed to the protector 4. The second electric wire 20B is inserted through the second exterior member 21B. The end portion 21y of the second exterior member 21B is fixed to the protector 4. Therefore, the first exterior member 21A and the second exterior member 21B are pulled out from the case 3 by the protector 4 or pushed into the case 3 by the protector 4.

The first electric wire 20A projects upward from the end portion 21x of the first exterior member 21A via the inside of the protector 4. The second electric wire 20B projects upward from the end portion 21y of the second exterior member 21B via the inside of the protector 4. The first electric wire 20A and the second electric wire 20B are combined into one electric wire bundle 22 in the protector 4. The electric wire bundle 22 is inserted through the exterior member 23. The exterior member 23 extends from the protector 4 to the seat cushion 8 of the slide seat 10. The ends of the first electric wire 20A and the second electric wire 20B are electrically connected to the slide sheet 10.

As shown in FIG. 9, the case 3 has a main body 30 and a cover 31. The main body 30 and the cover 31 are molded from, for example, an insulating synthetic resin. The main body 30 has a bottom wall 32, a peripheral wall 33, and a guide passage 34. The shape of the bottom wall 32 is a shape in which both ends of the rectangle are rounded in an arc shape. The peripheral wall 33 is erected from the edge of the bottom wall 32 and surrounds the bottom wall 32 from three sides. More specifically, the peripheral wall 33 has a first side wall 33a, a second side wall 33b, and a third side wall 33c. The first side wall 33a and the second side wall 33b extend along the longitudinal direction of the main body 30. The case 3 is mounted on the vehicle 100 so that the first side wall 33a and the second side wall 33b extend along the vehicle front-rear direction X and face each other in the vehicle vertical direction H. The first side wall 33a is located above the second side wall 33b.

The third side wall 33c is arranged at the arcuate end of the bottom wall 32. The third side wall 33c connects the end portion of the first side wall 33a and the end portion of the second side wall 33b. The third side wall 33c is located at the rear end of the main body 30 of the vehicle. The case 3 has a storage chamber 36 for accommodating the wire harness 2. The accommodation chamber 36 is composed of a bottom wall 32 and a peripheral wall 33.

The guide passage 34 is a portion that guides the wire harness 2 between the accommodation chamber 36 and the slide rail 101. The shape of the guide passage 34 in a plan view is an arc shape. The guide passage 34 and the cover 31 form a tubular guide passage. The cross-sectional shape of this guide passage is rectangular. The guide passage 34 has an inlet 34a and an outlet 34b. The entrance 34a is an entrance to the guide passage 34 when the wire harness 2 is pulled out from the case 3. The entrance 34a is provided along the second side wall 33b. The outlet 34b is an outlet from the guide passage 34 when the wire harness 2 is pulled out from the case 3. The outlet 34b is open toward a space outside the first side wall 33a.

The storage chamber 36 of the first case 3A is the first storage chamber 36A for accommodating the first wire harness 2A (see FIG. 8). Further, the guide passage 34 of the first case 3A is the first guide passage 34A that guides the first wire harness 2A. The storage chamber 36 of the second case 3B is a second storage chamber 36B for accommodating the second wire harness 2B. The guide passage 34 of the second case 3B is a second guide passage 34B that guides the second wire harness 2B.

The case 3 is arranged so that the outlet 34b faces the passages 103 and 104 of the slide rail 101. The outlet 34b of the first case 3A faces the first passage 103 of the slide rail 101 in the vehicle front-rear direction X. The exit 34b of the second case 3B faces the second passage 104 of the slide rail 101 in the vehicle front-rear direction X. That is, the first case 3A and the second case 3B are arranged so that the guide passage 34 opens toward the end portion 101x of the slide rail 101 in the vehicle front-rear direction X.

The cover 31 is a member that engages with the main body 30 and covers the main body 30. The cover 31 is formed so as to cover the accommodation chamber 36 and the guide passage 34. The cover 31 has a lead-out unit 35 from which the wire harness 2 is led out. One end side of the wire harness 2 is pulled out from the lead-out portion 35 into the external space of the case 3. The wire harness 2 pulled out from the lead-out unit 35 is connected to the power supply and the control device of the vehicle 100.

As shown in FIG. 10, the wire harness 2 is bent in a U shape and accommodated in the accommodation chamber 36. The wire harness 2 housed in the storage chamber 36 includes a first portion 24 along the first side wall 33a, a second portion 25 along the second side wall 33b, and a U-shaped curved portion 26. It is formed. Further, the wire harness 2 is pulled out into the external space while being curved in a U shape in the guide passage 34, or is pushed into the accommodation chamber 36 from the external space. In FIG. 10, the wire harness 2 when the slide sheet 10 is in the frontmost position in the movable range is shown by a solid line. When the slide sheet 10 moves backward from this state, the wire harness 2 is pulled out from the case 3. As a result, the curved portion 26 moves forward as shown by the arrow AR1.

As shown in FIGS. 11 and 12, the protector 4 has a main body 40, a first cover 41, a second cover 42, and a third cover 43. The main body 40, the first cover 41, the second cover 42, and the third cover 43 are molded from, for example, an insulating synthetic resin. The main body 40 has a base portion 44, a protruding portion 45, a holding portion 46, and a connecting portion 47.

The base portion 44 is a portion located inside the slide rail 101. The base 44 slides in the vehicle front-rear direction X with respect to the bottom wall 101a of the slide rail 101. The base portion 44 has a first cylinder portion 44a and a second cylinder portion 44b. The first cylinder portion 44a and the second cylinder portion 44b have a half-cylinder shape and are open in the vehicle width direction Y. The first cylinder portion 44a and the second cylinder portion 44b have unevenness 44e corresponding to the bellows shape of the exterior member 21.

The protruding portion 45 projects upward from the base portion 44. The protruding portion 45 projects from the gap 101h of the slide rail 101 toward the space above. As shown in FIG. 12, the main body 40 has a passage 40a extending along the vehicle vertical direction H. The passage 40a is connected to the passage 44c of the first cylinder portion 44a and is connected to the passage 44d of the second cylinder portion 44b.

The holding portion 46 is a portion that holds the wire harness 2. The holding portion 46 projects from the protruding portion 45 along the vehicle width direction Y. The holding portion 46 is formed, for example, in the shape of a plate or a rod. The illustrated holding portion 46 projects diagonally upward from the side surface of the protruding portion 45.

The connecting portion 47 is a portion connected to the slider 70 of the slide body 7. The connecting portion 47 is arranged at the rear end portion of the first cylinder portion 44a and the rear end portion of the second cylinder portion 44b. The connecting portion 47 has a recess 47a that engages with the hook of the slider 70. The protector 4 is connected to the slider 70 at the connecting portion 47, and moves integrally with the slider 70 in the vehicle front-rear direction X.

The first cover 41 engages with the first tubular portion 44a and covers the passage 44c from the side. The second cover 42 engages with the second tubular portion 44b and covers the passage 44d from the side. The third cover 43 engages with the main body 40 and covers the passages 40a, 44c, 44d from the back surface side.

As shown in FIG. 13, the end portion 21x of the first exterior member 21A is fitted to the first cylinder portion 44a of the protector 4. The first cover 41 engages with the first cylinder portion 44a to sandwich the end portion 21x between the first cylinder portion 44a and the first cover 41. As a result, the end portion 21x is fixed to the protector 4 and held by the protector 4. The end portion 21y of the second exterior member 21B is fitted to the second tubular portion 44b. The second cover 42 engages with the second cylinder portion 44b to sandwich the end portion 21y between the second cylinder portion 44b and the second cover 42. As a result, the end portion 21y is fixed to the protector 4 and held by the protector 4.

The first electric wire 20A is drawn out from the passage 44c of the first cylinder portion 44a to the outside of the protector 4 via the passage 40a. The second electric wire 20B is drawn out from the passage 44d of the second cylinder portion 44b to the outside of the protector 4 via the passage 40a. The first electric wire 20A and the second electric wire 20B are combined into one electric wire bundle 22 in the passage 40a. The wire bundle 22 is inserted through one exterior member 23. The exterior member 23 is fixed to the holding portion 46 by a binding member or an adhesive tape.

As shown in FIG. 14, the seat cushion 8 of the slide seat 10 covers the protector 4 from above. The end of the wire harness 2 is fixed to the fixing portion 80 of the slide sheet 10. The fixing portion 80 is arranged inside, for example, the seat cushion 8. The wire harness 2 is bent at a right angle between the protector 4 and the fixing portion 80. The first electric wire 20A and the second electric wire 20B of the wire harness 2 are connected to the device arranged on the slide sheet 10. The ends of the electric wires 20A and 20B may be connected to the connector. In this case, the electric wires 20A and 20B are connected to the device of the slide sheet 10 via the connector.

FIG. 15 shows the slide sheet 10 and the wire harness 2 in the flip-up state. When the seat cushion 8 is flipped up, the fixing portion 80 moves together with the seat cushion 8. The wire harness 2 bends following the movement of the fixing portion 80. The wire harness 2 bends upward, for example, between the protector 4 and the fixing portion 80.

As shown in the plan view of FIG. 14, the wire harness 2 of the present embodiment is provided with a bent portion between the protector 4 and the fixing portion 80. Therefore, the bending load on the electric wires 20A and 20B when the state of the slide sheet 10 shifts from the deployed state to the flipped state and when the state of the slide sheet 10 shifts from the flipped state to the deployed state is reduced. For example, the bending load is reduced by twisting the electric wires 20A and 20B inside the exterior member 23.

As described above, the wiring structure 1 for the slide sheet according to the present embodiment has a protector 4, a plurality of wire harnesses 2, and a plurality of storage chambers 36. The protector 4 is connected to the slider 70 of the slide sheet 10. The slider 70 is supported by a slide rail 101 extending along the vehicle front-rear direction X.

The plurality of wire harnesses 2 are electrically connected to the slide sheet 10 having the slider 70. The wire harness 2 is held by the protector 4 and is routed from the protector 4 toward the end portion 101x of the slide rail 101 inside the slide rail 101. The plurality of accommodating chambers 36 are arranged at the end 101x of the slide rail 101, and accommodate the plurality of wire harnesses 2 individually. In the present embodiment, the accommodation chamber 36 of the first case 3A accommodates the first wire harness 2A, and the accommodation chamber 36 of the second case 3B accommodates the second wire harness 2B.

By accommodating the plurality of wire harnesses 2 individually in the accommodation chamber 36, the interference of the plurality of wire harnesses 2 is suppressed. For example, when the wire harness 2 is unwound from the storage chamber 36 or when the wire harness 2 is housed in the storage chamber 36, interference between one wire harness 2 and the other wire harness 2 is unlikely to occur. Therefore, the wiring structure 1 for the slide sheet according to the present embodiment can suppress the plurality of wire harnesses 2 from interfering with each other.

The wiring structure 1 for a slide sheet according to the present embodiment has a guide passage 34 arranged between the accommodation chamber 36 and the end portion 101x of the slide rail 101. The guide passage 34 is between the first guide passage for guiding the first wire harness 2A between the accommodation chamber 36 of the first case 3A and the slide rail 101, and between the accommodation chamber 36 and the slide rail 101 of the second case 3B. Has a second guide passage for guiding the second wire harness 2B. By providing the guide passages 34 individually for the plurality of wire harnesses 2, it is possible to prevent the plurality of wire harnesses 2 from interfering with each other.

The guide passage 34 of the first case 3A and the guide passage 34 of the second case 3B are open toward the end portion 101x of the slide rail 101 in the vehicle front-rear direction X. With such an arrangement, the wire harness 2 is smoothly extended from the accommodation chamber 36 and the wire harness 2 is pushed into the accommodation chamber 36 smoothly.

The slide rail 101 of the present embodiment is arranged on the outer side of the vehicle with respect to the interior material 5 constituting the side wall of the vehicle interior. The interior material 5 has a through hole 50 corresponding to the movable range of the slider 70. The electric wires 20A and 20B of the plurality of wire harnesses 2 are connected to the slide sheet 10 from the slide rail 101 via the through holes 50. With such a configuration, the wire harness 2 can be easily made to follow the movement of the slide sheet 10.

The through hole 50 of the present embodiment faces the slide rail 101 in the vehicle vertical direction H. The protector 4 has a base 44 located inside the slide rail 101, a protrusion 45 protruding from the base 44 toward a space above the through hole 50, and a protrusion 45 protruding from the protrusion 45 along the vehicle width direction Y. It has a holding portion 46 and a holding portion 46. The holding portion 46 holds the electric wires 20A and 20B of the plurality of wire harnesses 2. Since the electric wires 20A and 20B are held by the holding portion 46, it is difficult to apply a load such as a bending load to the electric wires 20A and 20B.

[Second Embodiment]
A second embodiment will be described with reference to FIGS. 16 to 18. Regarding the second embodiment, the same reference numerals are given to the components having the same functions as those described in the first embodiment, and duplicate description will be omitted. 16 is a front view of the case according to the second embodiment, FIG. 17 is an exploded perspective view of the case according to the second embodiment, and FIG. 18 is a perspective view of the main body of the case according to the second embodiment. The second embodiment differs from the first embodiment in that, for example, one case 3 has two storage chambers.

As shown in FIGS. 16 and 17, the case 3 of the second embodiment has a main body 60, a first cover 61, and a second cover 62. The main body 60, the first cover 61, and the second cover 62 are molded from, for example, an insulating synthetic resin. The main body 60 has a bottom wall 63, a peripheral wall 64, a first guide passage 65, and a second guide passage 66.

The shape of the bottom wall 63 is a shape in which both ends of the rectangle are rounded in an arc shape. The peripheral wall 64 is erected from the edge of the bottom wall 63 and surrounds the bottom wall 63 from three sides. The peripheral wall 64 projects from the bottom wall 63 toward both sides in the vehicle width direction Y. The peripheral wall 64 has a first side wall 64a, a second side wall 64b, and a third side wall 64c. The first side wall 64a and the second side wall 64b extend along the vehicle front-rear direction X and face each other in the vehicle vertical direction H. The third side wall 64c has an arc shape and connects the first side wall 64a and the second side wall 64b.

As shown in FIG. 17, the case 3 has a first storage chamber 67A for accommodating the first wire harness 2A. The first containment chamber 67A is surrounded by a bottom wall 63 and a peripheral wall 64. As shown in FIG. 18, the case 3 has a second storage chamber 67B for accommodating the second wire harness 2B. The second containment chamber 67B is surrounded by a bottom wall 63 and a peripheral wall 64. That is, the internal space surrounded by the peripheral wall 64 is divided into two storage chambers 67A and 67B by the bottom wall 63.

The first guide passage 65 is a passage that guides the first wire harness 2A between the first accommodation chamber 67A and the slide rail 101. The second guide passage 66 is a passage that guides the second wire harness 2B between the second accommodation chamber 67B and the slide rail 101. The shape of the first guide passage 65 and the shape of the second guide passage 66 in a plan view are arcuate.

The first cover 61 is a member that engages with the main body 60 and covers the first storage chamber 67A and the first guide passage 65. As shown in FIG. 17, the first cover 61 has a lead-out portion 61a from which the first wire harness 2A is derived. The first wire harness 2A drawn from the lead-out unit 61a is connected to the power supply or control device of the vehicle 100. The first cover 61 has an opening 61b facing the first passage 103 of the slide rail 101.

The second cover 62 is a member that engages with the main body 60 and covers the second storage chamber 67B and the second guide passage 66. The second cover 62 has a lead-out portion 62a from which the second wire harness 2B is derived. The second wire harness 2B drawn from the lead-out unit 62a is connected to the power supply or control device of the vehicle 100. As shown in FIG. 18, the second guide passage 66 has an opening 66b facing the second passage 104 of the slide rail 101. The case 3 of the second embodiment is arranged so that the opening 61b faces the first passage 103 and the opening 66b faces the second passage 104.

According to Case 3 of the second embodiment, the number of parts can be reduced and the space required for arrangement can be reduced.

[Varied examples of each embodiment]
Modifications of the first embodiment and the second embodiment will be described. The slide seat 10 is not limited to the one capable of flipping up the seat cushion 8. That is, the wiring structure 1 for the slide sheet may be applied to the slide sheet 10 which does not have the flip-up mechanism.

The number of wire harnesses 2 arranged on the slide rail 101 may be three or more. In this case, the slide rail 101 may have a groove to which the third wire harness is arranged. This groove is provided, for example, between the first passage 103 and the second passage 104 along the vehicle front-rear direction X. The wiring structure 1 for the slide sheet may have three cases 3, and one case 3 may have three storage chambers 67.

The case 3 may be arranged under the floor of the vehicle 100. In this case, the plurality of wire harnesses 2 are arranged on slide rails arranged under the floor of the vehicle. The case 3 is arranged in the vicinity of the slide rail in a sideways posture.

The contents disclosed in each of the above embodiments and modifications can be combined and executed as appropriate.

1 Cable arrangement structure for slide sheet 2 Wire harness 2A: 1st wire harness, 2B: 2nd wire harness 3 Case 3A: 1st case, 3B: 2nd case 4 Protector 5 Interior material 5a: Opposing part 7 Slide body 8 : Seat cushion, 9: Seat back 10 Slide seat 11 Slider 20: Electric wire, 20A: First electric wire, 20B: Second electric wire 21: Exterior member, 21A: First exterior member, 21B: Second exterior member 22: Electric wire bundle , 23: Exterior member 30: Main body, 31: Cover, 32: Bottom wall, 33: Circumferential wall, 33a: First side wall 33b: Second side wall, 33c: Third side wall, 34: Guide passage, 35: Derivation part 36: Containment chamber 40: Main body, 41: First cover, 42: Second cover, 43: Third cover 44: Base, 44a: First cylinder, 44b: Second cylinder, 44c, 44d: Passage 44e: Concavo-convex 45 : Protruding part, 46: Holding part, 47: Connecting part 50: Through hole 60: Main body, 61: First cover, 62: Second cover, 63: Bottom wall 64: Circumferential wall, 65: First guide passage, 66: Second guide passage 67A: First accommodation room, 67B: Second accommodation room 70 Slider 71: Main body, 72: Support part, 72a: Support hole 73 Armrest 100 Vehicle 101: Rail, 101a: Bottom wall, 101b: First side wall , 101c: Second side wall 101d: First facing wall, 101e: Second facing wall, 101f: First guide wall 101g: Second guide wall, 101h: Gap 102 Floor member 103: First passage, 104 Second passage X : Vehicle front-rear direction, Y: Vehicle width direction, H: Vehicle vertical direction

Claims (6)

A protector connected to a slider supported by slide rails extending along the vehicle front-rear direction,
A plurality of wire harnesses that are electrically connected to a slide sheet having the slider, are held by the protector, and are routed from the protector toward the end of the slide rail inside the slide rail. When,
A plurality of storage chambers arranged at the end of the slide rail and individually accommodating the plurality of wire harnesses, and a plurality of storage chambers.
A wiring structure for slide sheets, which is characterized by being provided with. A guide passage is provided between the containment chamber and the end of the slide rail.
The plurality of wire harnesses have a first wire harness and a second wire harness.
The plurality of accommodation chambers include a first accommodation chamber for accommodating the first wire harness and a second accommodation chamber for accommodating the second wire harness.
The guide passage is a first guide passage for guiding the first wire harness between the first accommodation chamber and the slide rail, and the second wire harness between the second accommodation chamber and the slide rail. The wiring structure for a slide sheet according to claim 1, which has a second guide passage for guiding. The wiring structure for a slide sheet according to claim 2, wherein the first guide passage and the second guide passage are open toward the end of the slide rail in the front-rear direction of the vehicle. The slide rail is arranged on the outside of the vehicle with respect to the interior material constituting the side wall of the vehicle interior.
The interior material has a through hole corresponding to the movable range of the slider.
The wiring structure for a slide sheet according to any one of claims 1 to 3, wherein the electric wires of the plurality of wire harnesses are connected to the slide sheet from the slide rail via the through hole. The through hole faces the slide rail in the vertical direction of the vehicle.
The protector has a base located inside the slide rail, a protrusion protruding from the base toward a space above the through hole, and a protrusion protruding from the protrusion along the vehicle width direction. The wiring structure for a slide sheet according to claim 4, further comprising a holding portion for holding an electric wire included in the plurality of wire harnesses. The electric wires of the plurality of wire harnesses are grouped into one electric wire bundle in the protector.
The wiring structure for a slide sheet according to any one of claims 1 to 5, wherein the electric wire bundle is connected to the slide sheet.

Images