Cable routing structure

Abstract

The protector provides a wiring structure that makes the internal wires difficult to see. [Solution] The wiring structure 1 comprises an electric wire, a protector 2 positioned on the sliding door and having an entrance facing the side of the vehicle body, a cylindrical rotating member 3 positioned at the entrance and rotatably supported by the protector, through which the electric wire is inserted, and a shielding member 4 that closes the opening 10 that is generated between the protector and the rotating member as the rotating member rotates. The shielding member comprises a flexible shielding body 40 that closes the opening, a winding shaft that winds up the shielding body, and a transmission structure that transmits the rotation of the rotating member to the winding shaft. The transmission structure rotates the winding shaft in conjunction with the rotation of the rotating member, thereby unwinding the shielding body from the winding shaft or winding the shielding body onto the winding shaft while closing the opening.

Description

Technical Field

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[0001] The present invention relates to a cable layout structure.

Background Art

[0002] Conventionally, there is a cable layout structure for a sliding door. Patent Document 1 discloses a power supply device including a rotating member and a support member that rotatably supports the rotating member. The rotating member includes an outer peripheral portion, a harness lead-out portion disposed on the outer peripheral portion, and a decorative wall provided along the outer peripheral portion from the harness lead-out portion. The rotation center of the rotating member is eccentrically disposed with respect to the outer peripheral portion. The support member has an opening that positions the harness lead-out portion rotatably, and the decorative wall closes the opening when the rotating member rotates in one direction.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] Regarding a configuration for making the electric wire difficult to be visually recognized, there is still room for consideration. For example, since the above-mentioned decorative wall rotates together with the rotating member, it is necessary to design the entire power supply device in consideration of the rotation locus of the decorative wall. Regarding a configuration in which the electric wire is covered by a member different from the rotating member, room for consideration remains.

[0005] An object of the present invention is to provide a cable layout structure in which the electric wire inside the protector is difficult to be visually recognized.

Means for Solving the Problems

[0006] The cable routing structure of the present invention comprises: an electric wire routed between the vehicle body and a sliding door; a protector disposed on the sliding door and having an entrance portion facing the vehicle body and an exit portion through which the electric wire is pulled out toward the sliding door; a cylindrical rotating member disposed on the entrance portion and rotatably supported by the protector, through which the electric wire is inserted; and a shielding member that closes an opening that occurs between the protector and the rotating member as the rotating member rotates, wherein the shielding member comprises a flexible shielding body that closes the opening, a winding shaft for winding up the shielding body, and a transmission structure that transmits the rotation of the rotating member to the winding shaft, wherein the transmission structure rotates the winding shaft in conjunction with the rotation of the rotating member, thereby unwinding the shielding body from the winding shaft or winding the shielding body onto the winding shaft while closing the opening. [Effects of the Invention]

[0007] In the cable routing structure according to the present invention, the shielding member comprises a flexible shielding body that closes the opening, a winding shaft that winds up the shielding body, and a transmission structure that transmits the rotation of a rotating member to the winding shaft. The transmission structure rotates the winding shaft in conjunction with the rotation of the rotating member, thereby unwinding the shielding body from the winding shaft or winding the shielding body onto the winding shaft while closing the opening. The cable routing structure according to the present invention has the effect of making the electric wires inside the protector difficult to see. [Brief explanation of the drawing]

[0008] [Figure 1] Figure 1 is a plan view of the cable routing structure according to the embodiment. [Figure 2] Figure 2 is a plan view of the cable routing structure according to the embodiment. [Figure 3] Figure 3 is a perspective view of the cable routing structure according to the embodiment. [Figure 4] Figure 4 is a plan view showing the inside of the protector according to the embodiment. [Figure 5] Figure 5 is a perspective view of the cable routing structure according to the embodiment. [Figure 6] Figure 6 is an exploded perspective view of the protector according to the embodiment. [Figure 7] Figure 7 is an exploded perspective view of the rotating member according to the embodiment. [Figure 8] Figure 8 is a perspective view of the shielding member and rotating member according to the embodiment. [Figure 9] Figure 9 is a perspective view of the cable routing structure according to the embodiment. [Figure 10] Figure 10 is a plan view showing the inside of the protector according to the embodiment. [Figure 11] Figure 11 is a plan view showing the inside of the protector according to the embodiment. [Figure 12] Figure 12 is a side view of the cable routing structure according to the embodiment. [Modes for carrying out the invention]

[0009] The cable routing structure according to an embodiment of the present invention will be described in detail below with reference to the drawings. However, this embodiment does not limit the present invention. Furthermore, the components in the following embodiments include those that are easily conceivable by those skilled in the art or that are substantially identical.

[0010] [Embodiment] Embodiments will be described with reference to Figures 1 to 12. This embodiment relates to a cable routing structure. Figures 1 and 2 are plan views of the cable routing structure according to the embodiment, Figure 3 is a perspective view of the cable routing structure according to the embodiment, Figure 4 is a plan view showing the interior of the protector according to the embodiment, Figure 5 is a perspective view of the cable routing structure according to the embodiment, Figure 6 is an exploded perspective view of the protector according to the embodiment, Figure 7 is an exploded perspective view of the rotating member according to the embodiment, Figure 8 is a perspective view of the shielding member and rotating member according to the embodiment, Figure 9 is a perspective view of the cable routing structure according to the embodiment, Figures 10 and 11 are plan views showing the interior of the protector according to the embodiment, and Figure 12 is a side view of the cable routing structure according to the embodiment.

[0011] As shown in Figures 1 to 3, the wiring structure 1 of this embodiment is a wiring structure for a sliding door and includes a protector 2, a rotating member 3, a shielding member 4, and an electric wire W. As shown in Figures 1 and 2, the electric wire W connects the vehicle body 110 and the sliding door 120 of the vehicle 100. The electric wire W is connected to a power source such as a battery and a control unit such as an ECU in the vehicle body 110.

[0012] The sliding door 120 slides along a first direction X relative to the vehicle body 110. The first direction X is, for example, the longitudinal direction of the vehicle 100. The sliding door 120 opens and closes an opening in the vehicle 100 by moving along a front X1 and a rear X2. The sliding door 120 slides while being guided by, for example, a rail positioned on the vehicle body 110. The sliding door 120 may also slide by the operation of a link mechanism connecting the vehicle body 110 and the sliding door 120.

[0013] Figure 1 shows the wiring structure 1 when the sliding door 120 is in the fully closed position. When the sliding door 120 is in the fully closed position, as shown in Figure 1, the electric wire W extends from the protector 2 in the first direction X. At this time, the rotating member 3 protrudes from the protector 2 along the first direction X. Figure 2 shows the wiring structure 1 when the sliding door 120 is in the fully open position. When the sliding door 120 is in the fully open position, as shown in Figure 2, the electric wire W extends from the protector 2 in the second direction Y. The second direction Y is, for example, the width direction of the vehicle 100. When the sliding door 120 is in the fully open position, the rotating member 3 protrudes from the protector 2 toward the space 130 on the side of the vehicle body 110. In other words, the rotating member 3 protrudes from the protector 2 along the second direction Y.

[0014] In the wiring structure 1 of the present embodiment, the rotation angle of the rotating member 3 when the sliding door 120 moves between the fully closed position and the fully open position is greater than 90°. As shown in FIG. 1, when the sliding door 120 is in the fully closed position, the rotating member 3 protrudes from the protector 2 toward the rear side X2. As shown in FIG. 2, when the sliding door 120 is in the fully open position, the rotating member 3 protrudes obliquely forward from the protector 2.

[0015] The protector 2 is disposed on the sliding door 120 and held by the sliding door 120. The rotating member 3 is rotatably supported by the protector 2. As shown in FIGS. 1 and 2, the rotating member 3 rotates following the change in the extending direction of the electric wire W due to the movement of the sliding door 120.

[0016] A cylindrical exterior member 5 may be disposed between the rotating member 3 and the vehicle body 110. In this case, the rotating member 3 holds one end portion 5a of the exterior member 5. The other end portion of the exterior member 5 is held by a holding member disposed on the vehicle body 110. The electric wire W is inserted through the exterior member 5 and protected by the exterior member 5. The exterior member 5 is a flexible member, for example, a member called a corrugated tube. <{

[0017] The shielding member 4 shown in FIG. 3 is a member that shields the electric wire W inside the protector 2 from the space 130 on the vehicle body 110 side. The shielding member 4 of the present embodiment has a flexible shielding body 40, and is configured to pay out or wind up the shielding body 40 while following the rotation of the rotating member 3.

[0018] As shown in Figure 3, an opening 10 is formed between the protector 2 and the rotating member 3. The opening 10 is formed between the first side wall 61 of the protector 2 and the first side wall 81 of the rotating member 3. The opening 10 is open toward the vehicle body 110. If there is no shielding member 4, the electric wires W routed inside the protector 2 will be visible from the vehicle body 110 side, which may affect the appearance of the wiring structure 1. For example, when fully closed as shown in Figure 3, the opening width of the opening 10 is at its maximum, making the internal structure of the protector 2 easily visible to passengers in the vehicle 100.

[0019] In the wiring structure 1 of this embodiment, the shielding body 40 of the shielding member 4 closes the opening 10, and covers the electric wire W with respect to the side Y1 of the vehicle body 110. As a result, the appearance when viewed from the vehicle body 110 can be improved according to the wiring structure 1 of this embodiment.

[0020] As shown in Figures 4 and 5, the shielding member 4 includes a shielding body 40, a winding shaft 41, a pin 42, a pulley 43, and an endless belt 44. The shielding body 40 is a flexible, strip-shaped member. The shielding body 40 may also be a light-shielding member. The shielding body 40 is molded from, for example, an insulating synthetic resin. The shielding body 40 may be configured to be expandable and contractible.

[0021] The winding shaft 41 is the shaft for winding the shielding body 40 and is rotatably supported by the protector 2. The illustrated winding shaft 41 has a cylindrical shape. The pin 42 is held by the rotating member 3 and moves relative to the winding shaft 41 in accordance with the rotation of the rotating member 3.

[0022] The pulley 43 shown in Figure 5 is a fastener fixed to the winding shaft 41. The pulley 43 cannot rotate relative to the winding shaft 41 and rotates together with the winding shaft 41. As shown in Figure 5, the pulley 43 has a disc shape. The belt 44 is an example of a transmission structure that transmits the rotation of the rotating member 3 to the winding shaft 41. The belt 44 is wrapped around the pulley 43 and the rotating shaft 84 of the rotating member 3. Therefore, the belt 44 can rotate the winding shaft 41 in conjunction with the rotation of the rotating member 3. The outer diameter of the pulley 43 is set so that the amount of rotation of the winding shaft 41 is a desired value relative to the amount of rotation of the rotating shaft 84.

[0023] As shown in Figure 4, the winding shaft 41 and pin 42 are positioned on side Y1 of the vehicle body 110 relative to the electric wires W inside the protector 2. In other words, the winding shaft 41 and pin 42 are positioned so that the shielding body 40 is positioned on side Y1 of the vehicle body 110 relative to the electric wires W inside the protector 2. Furthermore, the shielding body 40 is positioned so as not to interfere with the electric wires W when the rotating member 3 rotates.

[0024] The rotating member 3 rotates around the rotation axes 84 and 94 (see Figure 7) as indicated by the arrow AR1 in Figure 4. When the rotating member 3 rotates so that the pin 42 moves away from the winding shaft 41, the winding shaft 41 rotates in the direction of rotation that unwinds the shielding body 40. In the cable routing structure 1 of this embodiment, when the rotating member 3 rotates so that the pin 42 moves away from the winding shaft 41, the opening width of the opening 10 increases. At this time, the shielding body 40 is unwinded from the winding shaft 41, so that the opening 10 is properly shielded by the shielding body 40.

[0025] On the other hand, when the rotating member 3 rotates so that the pin 42 approaches the winding shaft 41, the winding shaft 41 rotates in a direction that winds the shielding body 40 onto the winding shaft 41. In the cable routing structure 1 of this embodiment, when the rotating member 3 rotates so that the pin 42 approaches the winding shaft 41, the opening width of the opening 10 decreases. At this time, the shielding body 40 is wound onto the winding shaft 41, so that there is less excess length in the shielding body 40, and the opening 10 is properly shielded by the shielding body 40.

[0026] As shown in Figure 4, the shielding body 40 unwound from the winding shaft 41 has a curved shape and closes the opening 10. More specifically, the shielding body 40 is curved toward the opposite side of the wire W with respect to the imaginary line IL. The imaginary line IL is a straight line connecting the central axis of the winding shaft 41 and the central axis of the pin 42. As shown in Figure 4, the middle portion 40c of the shielding body 40 has a convex shape that faces toward the opposite side of the wire W. Because the shielding body 40 is curved outward, most of the internal structure of the protector 2 is covered. Therefore, the shielding body 40 of this embodiment can properly shield the internal space of the protector 2 from the vehicle body 110.

[0027] As shown in Figure 6, the protector 2 has a body 6 and a cover 7. The body 6 and cover 7 are molded from, for example, an insulating synthetic resin. The cover 7 engages with the body 6 to form a cylindrical passage through which the electric wire W is routed.

[0028] The main body 6 has a groove-shaped cable routing path 60. The cable routing path 60 has a first side wall 61, a second side wall 62, and a bottom wall 63. The first side wall 61 and the second side wall 62 are erected from the widthwise ends of the bottom wall 63 and face each other in the widthwise direction of the bottom wall 63. The protector 2 is fixed to the sliding door 120 such that the cable routing path 60 extends in the first direction X and the first side wall 61 faces the vehicle body 110. In other words, the first side wall 61 is located on side Y1 of the vehicle body 110 relative to the second side wall 62.

[0029] The cable routing 60 has an inlet 60a and an outlet 60b. The inlet 60a is the end of the cable routing 60 on the side of the vehicle body 110. The inlet 60a opens facing the side Y1 of the vehicle body 110. The inlet 60a also opens toward the rear X2 so that the rotating member 3 can protrude toward the rear X2.

[0030] The exit section 60b is the end from which the electric wire W is pulled out toward the sliding door 120. The exit section 60b is open toward the upper side in the vehicle's vertical direction Z. That is, the electric wire W is routed inside the cable routing 60 in a curved shape. The electric wire W extends horizontally from the inlet section 60a and extends toward the upper side in the vehicle's vertical direction Z from the exit section 60b.

[0031] The bottom wall 63 has support holes 63a and 63b. The support hole 63a rotatably supports the rotating member 3. The support hole 63a is a recess that is recessed toward the lower side in the vehicle's vertical direction Z, or a through hole that penetrates the bottom wall 63. The support hole 63a is located at the entrance portion 60a.

[0032] The support hole 63b rotatably supports the winding shaft 41 of the shielding member 4. The support hole 63b is a recess that is recessed toward the lower side in the vertical direction Z of the vehicle, or a through hole that penetrates the bottom wall 63. In this embodiment, the support hole 63b is a through hole. The support hole 63b is located near the entrance portion 60a and near the first side wall 61. It is preferable that the support hole 63b is located in a position where it is hidden by the first side wall 61 when viewed from the second direction Y.

[0033] The cover 7 is a component that engages with the main body 6 to cover the cable routing 60 and form a cylindrical passage. The cover 7 has two support holes corresponding to support holes 63a and 63b. The support hole corresponding to support hole 63a rotatably supports the rotating member 3. The support hole corresponding to support hole 63b rotatably supports the winding shaft 41. In other words, the protector 2 rotatably supports both ends of the winding shaft 41.

[0034] As shown in Figure 7, the rotating member 3 has a main body 8 and a cover 9. The main body 8 and cover 9 are molded from, for example, an insulating synthetic resin. The engagement of the cover 9 with the main body 8 forms a cylindrical passage through which the electric wire W is inserted.

[0035] The main body 8 has a groove-shaped cable routing path 80. The cable routing path 80 has a first side wall 81, a second side wall 82, and a bottom wall 83. The first side wall 81 and the second side wall 82 are erected from the widthwise ends of the bottom wall 83 and face each other in the widthwise direction of the bottom wall 83. When the sliding door 120 is in the fully closed position, the first side wall 81 faces the vehicle body 110. That is, when the sliding door 120 is in the fully closed position, the first side wall 81 is located on the side of the vehicle body 110 relative to the second side wall 82.

[0036] The cable routing 80 has an inlet 80a and an outlet 80b. The inlet 80a is the end of the cable routing 80 on the vehicle body 110 side. The inlet 80a is provided with a rib for locking the end 5a of the exterior member 5. The outlet 80b is the end of the protector 2 from which the electric wire W is pulled out toward the cable routing 60. The rotating member 3 rotates relative to the protector 2 with the outlet 80b as its center.

[0037] The main body 8 has a rotating shaft 84. The rotating shaft 84 is inserted into a support hole 63a of the protector 2 and is rotatably supported by the support hole 63a. The rotating shaft 84 protrudes from the bottom wall 83 toward the side opposite the side walls 81 and 82.

[0038] The bottom wall 83 has a support hole 83a. The support hole 83a is a recess that is recessed toward the lower side in the vertical direction of the vehicle, or a through hole that penetrates the bottom wall 83. The support hole 83a supports the pin 42 of the shielding member 4. The pin 42 may be rotatably inserted into the support hole 83a, or it may be press-fitted so that it cannot rotate relative to the pin. The support hole 83a is located in the exit portion 80b and is located near the first side wall 81. The support hole 83a may be positioned so that it is hidden by the first side wall 81 when viewed from the second direction Y.

[0039] The cover 9 is a member that engages with the main body 8 to cover the cable routing 80 and form a cylindrical passage. The cover 9 has a top wall 93 and a rotating shaft 94. The top wall 93 is a wall portion that faces the bottom wall 83 in the vehicle's vertical direction. The rotating shaft 94 protrudes from the top wall 93 toward the side opposite to the bottom wall 83. The rotating shaft 94 is rotatably supported by the cover 7 of the protector 2. The top wall 93 has a support hole corresponding to the support hole 83a. The support hole in the top wall 93 supports the pin 42. In other words, the rotating member 3 supports both ends of the pin 42. The pin 42 may be rotatably inserted into the support hole in the top wall 93, or it may be press-fitted so as not to rotate relative to the pin.

[0040] Figure 8 shows the shielding member 4 and the rotating member 3. The central axes Cx of the rotating shafts 84 and 94, and the central axis of the winding shaft 41, each extend in the vertical direction Z of the vehicle. The rotating member 3 rotates around the central axis Cx of the rotating shafts 84 and 94. The pulley 43 is fixed to the tip of the winding shaft 41, which is inserted into the support hole 63b of the protector 2. The pulley 43 functions as a retainer for the winding shaft 41.

[0041] The shielding body 40 of the shielding member 4 has a plurality of shielding blocks 45 and a plurality of hinge portions 46. The shielding blocks 45 extend in the vertical direction Z of the vehicle and have a plate shape or column shape. The plurality of shielding blocks 45 are arranged with gaps along the longitudinal direction of the shielding body 40. The hinge portions 46 are flexible and connect two adjacent shielding blocks 45. The shielding body 40 can be wound up in a spiral shape while the hinge portions 46 are elastically deformed. In addition, when the shielding body 40 is unwound from the winding shaft 41, it can extend in a substantially straight line toward the pin 42 or extend while gently curving.

[0042] Figure 9 shows the wiring structure 1 when the sliding door 120 is in a half-open state. In the half-open state, the opening width Wd of the opening 10 is narrower compared to the fully closed state in Figure 3. As shown in Figure 9, the shielding member 4 can close the opening 10 and cover the electric wires W inside the protector 2.

[0043] Figure 10 shows the inside of the protector 2 when the sliding door 120 is in a half-open position. The distance between the winding shaft 41 and the pin 42 in the half-open position is narrower than the distance between the winding shaft 41 and the pin 42 in the fully closed position shown in Figure 4. In other words, when the sliding door 120 moves from the fully closed position to the half-open position, the shielding body 40 of the shielding member 4 is wound onto the winding shaft 41. Conversely, when the sliding door 120 moves from the half-open position to the fully closed position, the shielding body 40 of the shielding member 4 is unwound from the winding shaft 41.

[0044] Figure 11 shows the inside of the protector 2 when the sliding door 120 is fully open. The distance from the winding shaft 41 to the pin 42 is narrowest when the door is fully open. In other words, the position of the pin 42 on the rotating member 3 is the position where the pin 42 is closest to the winding shaft 41 when the sliding door 120 is fully open. Thus, the wiring structure 1 of this embodiment is configured such that the pin 42 is closest to the winding shaft 41 when the door is fully open, and furthest from the winding shaft 41 when the door is fully closed.

[0045] In the fully open position, the first side wall 81 of the rotating member 3 is close to the first side wall 61 of the protector 2. The gap between the two first side walls 61 and 81 is narrow, and the opening 10 is not effectively formed. In other words, when the sliding door 120 is in the fully open position, the opening width Wd of the opening 10 is minimized. Furthermore, the opening width Wd of the opening 10 increases as the sliding door 120 moves from the fully open position to the fully closed position.

[0046] Figure 12 shows the cable routing structure 1 as seen from the vehicle body 110 side when the sliding door 120 is fully open. As shown in Figure 12, the rotating member 3 and the exterior member 5 cover the entrance portion 60a of the protector 2 from the vehicle body 110. In other words, when viewed from the vehicle body 110 side, the inside of the protector 2 is not visible to the occupant.

[0047] Thus, the wiring structure 1 of this embodiment closes the opening 10 formed between the protector 2 and the rotating member 3 with the shielding member 4, making it difficult to see the electric wires W inside the protector 2. Furthermore, when the sliding door 120 is in the fully open position, the rotating member 3 covers the entrance portion 60a of the protector 2, making it difficult to see the electric wires W inside the protector 2. Therefore, the wiring structure 1 of this embodiment can improve the appearance when viewed from the side of the vehicle body 110.

[0048] The structure for holding the second end 40b of the shielding body 40 is not limited to a pin 42. For example, the rotating member 3 may have a holding structure such as a slit or groove for holding the second end 40b.

[0049] As described above, the wiring structure 1 of this embodiment includes an electric wire W routed between the vehicle body 110 and the sliding door 120 of the vehicle 100, a protector 2, a rotating member 3, and a shielding member 4. The protector 2 is positioned on the sliding door 120. The protector 2 has an inlet portion 60a facing the vehicle body 110 and an outlet portion 60b through which the electric wire W is pulled out toward the sliding door 120. The rotating member 3 is a cylindrical member through which the electric wire W is inserted, positioned at the inlet portion 60a, and rotatably supported by the protector 2.

[0050] The shielding member 4 includes a flexible shielding body 40 that closes the opening 10, a winding shaft 41 that winds up the shielding body 40, and a transmission structure. The transmission structure transmits the rotation of the rotating member 3 to the winding shaft 41. The transmission structure rotates the winding shaft 41 in conjunction with the rotation of the rotating member 3, thereby unwinding the shielding body 40 from the winding shaft 41 or winding the shielding body 40 onto the winding shaft 41 while closing the opening 10. The cable routing structure 1 of this embodiment can improve the appearance when viewed from the vehicle body 110.

[0051] The rotating member 3 of this embodiment has a rotating shaft 84 that is rotatably supported by the protector 2. The transmission structure is a belt 44 that is wrapped around the winding shaft 41 and the rotating shaft 84 and transmits the rotation of the rotating shaft 84 to the winding shaft 41. By linking the rotating shaft 84 and the winding shaft 41 with the belt 44, it is possible to reduce operating noise.

[0052] The transmission structure may also be a gear that transmits the rotation of the rotating member 3 to the winding shaft 41. For example, gear teeth may be provided on the outer surfaces of the rotating shaft 84 and the pulley 43. In this case, the rotating shaft 84 and the pulley 43 may mesh with each other, or power may be transmitted via other gears.

[0053] The contents disclosed in the above embodiments can be combined and implemented as appropriate. [Explanation of Symbols]

[0054] 1: Cable routing structure 2: Protector, 3: Rotating member, 4: Shielding member, 5: Exterior member 6: Main unit, 7: Cover, 8: Main unit, 9: Cover, 10: Opening 40: Shield, 40a: First end, 40b: Second end 41: Winding shaft, 42: Pin, 43: Pulley, 44: Belt 60: Cabling path, 60a: Entrance section, 60b: Exit section 61: First side wall, 62: Second side wall, 63: Bottom wall, 63a, 63b: Support hole 80: Cabling path, 80a: Entrance section, 80b: Exit section 81: First side wall, 82: Second side wall, 83: Bottom wall, 84: Rotation axis 93: Top wall, 94: Rotation axis 100: Vehicle, 110: Body, 120: Sliding door, 130: Space W: Electric wire Wd: Opening width X: First direction, X1: Front side, X2: Back side Y: Second direction, Z: Vehicle vertical direction

Claims

1. Electrical wires routed between the vehicle body and the sliding door, A protector is positioned on the sliding door and has an entrance portion facing the side of the vehicle body and an exit portion through which the electric wire is pulled out toward the sliding door. A cylindrical rotating member is positioned at the entrance and is rotatably supported by the protector, through which the electric wire is inserted, A shielding member that closes the opening that is created between the protector and the rotating member as the rotating member rotates, Equipped with, The shielding member comprises a flexible shielding body that closes the opening, a winding shaft for winding the shielding body, and a transmission structure that transmits the rotation of the rotating member to the winding shaft. The transmission structure rotates the winding shaft in conjunction with the rotation of the rotating member, thereby unwinding the shielding body from the winding shaft or winding the shielding body onto the winding shaft while closing the opening. A cable routing structure characterized by the following features.

2. The rotating member has a rotating shaft that is rotatably supported by the protector, The transmission structure is a belt that is wrapped around the winding shaft and the rotating shaft, and transmits the rotation of the rotating shaft to the winding shaft. The cable routing structure according to claim 1.

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