JP4297375B2 - Power supply device for sliding door - Google Patents

Description

  The present invention relates to a power supply device for a slide door for constantly supplying power to a device in a slide door from the vehicle body side of an automobile.

  Electric parts such as a power window motor, a switch, and a speaker are incorporated in a sliding door used for a one-box car, a wagon car, and the like. In order to supply power to these electrical components from the vehicle body side, it is necessary to route a wiring body (wire harness) from the vehicle body side to the sliding door side and to allow the wiring body to follow the opening and closing of the sliding door. is there. Conventionally, a highly flexible round wire is used as the wiring body.

  Conventionally, as this type of sliding door power supply device, a method is known in which an electric wire winding unit is installed on the vehicle body side, and the extra length of the electric wire accompanying opening and closing of the sliding door is absorbed by winding the electric wire ( Patent Document 1).

  As another type of power supply device for a sliding door, a corrugated tube containing a wiring body is routed between a predetermined position on the vehicle body side and the sliding door with a bending margin, and one end of the corrugated tube is arranged. There is also known one in which the portion is fixed to a slide door and the vicinity of the other end is supported by a metal fitting attached to the vehicle body so as to be able to swing in the lateral direction (see Patent Document 2).

As another type of sliding door power supply device, a cable guide 901 formed by connecting a plurality of piece members 902 as shown in FIG. 16 is used to route the wiring body from the vehicle body 903 side to the slide door 904 side. (See Patent Document 3). The cable guide 901 is disposed so as to be bent into an S shape in a state where sagging occurs.
Japanese Patent Laid-Open No. 11-93514 JP 2002-79892 A JP 2004-34759 A

  However, any of the sliding door power supply devices described in Patent Documents 1 to 3 has a problem that the wiring body is visible to the rider when the sliding door is opened and closed, and thus the appearance is poor. Further, when getting on and off the vehicle with the slide door fully opened, there is a risk of stepping on the wiring body. In the sliding door power supply device of Patent Document 3 in which the wiring body is housed in the cable guide, the cable guide may be stepped on and damaged.

  Therefore, the present invention has been made to solve these problems, and an object of the present invention is to provide a sliding door power supply device that is routed so that a wiring body that supplies power to the sliding door is not exposed to the outside. And

According to a first aspect of the power supply device for a sliding door of the present invention, the vehicle body is configured so that it can be opened and closed by moving a bracket along a guide rail stored in a guide rail storage portion of the vehicle body. the power supply device for a sliding door for supplying power constantly from the a flat cable for supplying power to the sliding door side, said gripping the flat cable attached to the predetermined attachment position in the guide rail receiving portion from said vehicle body A vehicle body side fixing portion, a bracket side fixing portion that is attached to a predetermined mounting position of the bracket and grips the flat cable, and is routed between at least the vehicle body side fixing portion and the bracket side fixing portion. An outer tube that houses the flat cable, and the outer tube has a predetermined height on both edges of the upper surface. Has a detecting portion, the projecting portion forms a single bent portion bent at an acute angle by falling outward, along with the opening and closing of the slide door position of the bent portion formed on the outer tube moves By doing so, the exterior tube is not exposed from the guide rail storage portion .

Another aspect of the power supply device for a slide door according to the present invention is that the vehicle body is provided with respect to a slide door configured to be opened and closed by moving a bracket along a guide rail stored in a guide rail storage portion of the vehicle body. the power supply device for a sliding door that performs continuous power supply, and a flat cable for supplying power from the vehicle body to the sliding door side, and gripping the flat cable attached to the predetermined attachment position in the guide rail receiving portion A vehicle body side fixing portion, a bracket side fixing portion that is attached to a predetermined mounting position of the bracket and grips the flat cable, and is routed between at least the vehicle body side fixing portion and the bracket side fixing portion. An outer tube that houses the flat cable, and the outer tube has an upper surface and a lower surface with a cross section protruding upward. Is formed in a substantially arc shape, it forms a single bent portion bent at an acute angle to the bottom surface to the top surface and outer as the inner position of the bent portion formed on the outer tube with the opening and closing of the sliding door The outer tube is not exposed from the guide rail storage portion by moving the guide tube .

  ADVANTAGE OF THE INVENTION According to this invention, the electric power feeder for slide doors routed so that the wiring body which supplies electric power to a slide door may not be exposed outside can be provided. The power supply device for a sliding door according to the present invention is configured so that the exterior tube that stores the wiring body moves in the guide rail storage portion as the sliding door is opened and closed. It can be prevented that the appearance is deteriorated.

  A power supply device for a sliding door according to a preferred embodiment of the present invention will be described in detail with reference to the drawings. In addition, about each structural part which has the same function, the same code | symbol is attached | subjected and shown for simplification of illustration and description.

FIG. 1 shows a plan view of the sliding door power supply apparatus according to the first embodiment of the present invention. The sliding door power supply device 100 of this embodiment is disposed in the vicinity of a guide rail 141 installed on the vehicle body to open and close the sliding door. An example of the vehicle structure around the sliding door is shown in FIG. In the drawing, the slide door 150 includes a bracket 151 installed at the lower front portion of the slide door 150, another bracket installed at the upper front portion (not shown), and another bracket installed at the rear of the slide door 150. It is supported.

  On the vehicle body 140 side, a step 142 is provided at the entrance of the slide door, and a guide rail 141 is installed therebelow. A guide rail storage portion 143 (indicated by hatching in FIG. 2) in which the guide rail 141 is installed is a space for allowing the bracket 151 to pass therethrough. A slide door 150 is opened and closed by moving a guide rail 141 by a roller (not shown) attached to the end of the bracket 151 on the vehicle body side.

  Note that a guide rail storage portion is also provided for the bracket installed on the upper portion of the slide door 150, and the power supply device for the slide door of the present invention can be applied to the upper bracket and the guide rail storage portion. . Or it is also possible to apply to both upper part and lower part.

  The guide rail 141 is installed substantially parallel to the vehicle body so that the slide door 150 is moved substantially parallel to the vehicle body 140 until the slide door 150 is closed approximately half from the fully opened state shown in FIG. When the slide door 150 is further moved to the fully closed position, it is necessary to draw the slide door 150 toward the vehicle body 140. Therefore, the guide rail 141 is bent inward of the vehicle body 140 from the vicinity of the center to the front.

  The power supply device 100 for a sliding door according to the present embodiment includes a vehicle body side fixing unit 110 installed in the guide rail storage unit 143, a bracket side fixing unit 120 installed in the bracket 151, and the vehicle body 140 side to the slide door 150 side. A wiring body 130 that supplies power and an outer tube 131 that houses and protects the wiring body 130 are provided. The wiring body 130 is held by the vehicle body side fixing portion 110 and the bracket side fixing portion 120 directly or via the exterior tube 131. In the present embodiment, the structure of the exterior tube 131 is characterized so that the wiring body 130 and the exterior tube 131 do not protrude from the guide rail housing portion 143 while the slide door 150 is opened and closed.

  Note that the vehicle body side fixing portion 110 is installed further inside the vehicle body 140 than the installation position of the guide rail 141. This is to prevent the vehicle body side fixing portion 110 from interfering with the bracket 151 that moves on the guide rail 141. In addition, the installation position of the vehicle body side fixing portion 110 in the opening / closing direction of the slide door 150 is set to a substantially central position of the guide rail 141. By doing so, there is no slack in the wiring body 130 and the exterior tube 131 when the slide door 150 is fully closed or fully opened, and slack occurs when the slide door 150 is in the state of being fully closed and fully opened.

  In the sliding door power supply device 100 according to the present embodiment, the exterior tube 131 has a structure as shown in FIG. 3 so that the wiring body 130 and the exterior tube 131 do not protrude from the guide rail housing part 143 even when the wiring body 130 and the exterior tube 131 are loosened. Yes. FIG. 3 shows (a) a plan view, (b) a side view, and (c) a cross-sectional view taken along line AA of the outer tube 131, respectively. The exterior tube 131 has a structure in which a hollow portion 135 surrounded by an upper surface 132, a lower surface 133, and two side surfaces 134 is formed in the longitudinal direction, and the wiring body 130 is accommodated in the hollow portion 135. . As a material of the exterior tube 131, for example, a synthetic resin such as polypropylene can be used. Hereinafter, an exterior tube can be formed using the same material also in other embodiments.

  As shown in FIG. 3C, in the outer tube 131 of this embodiment, the thickness of the upper surface 132 is made larger than that of the lower surface 133, and the rigidity of the upper surface 132 is reduced by increasing the thickness of the upper surface 132. It can be higher than 133. The rigid upper surface 132 is difficult to bend, and even when it is bent, it tends to bend with an arc having a large curvature. In contrast, the lower surface 133 with low rigidity is easier to bend than the upper surface 132 and can be bent with an arc having a smaller curvature than the upper surface 132. As a result, as shown in FIG. 4, the outer tube 131 tends to bend with the lower rigid surface 133 on the inner side (small curvature) and the upper rigid surface 132 on the outer side (large curvature).

  By using the exterior tube 131 having the above-described structure, the sliding door power supply apparatus 100 according to the present embodiment draws a movement locus as shown in FIG. The figure shows the state of the exterior tube 131 when the slide door 150 is in the state of being fully closed and fully opened. The exterior tube 131 forms a bent portion 136 with the upper surface 132 on the outer side and the lower surface 133 on the inner side. While moving inside the guide rail housing 143.

  As shown in FIGS. 1 and 5, the vehicle body side fixing portion 110 has a structure having the first R portion 111, and the bracket side fixing portion 120 has a structure having the second R portion 121. Thus, even when the sliding door 150 is fully closed and fully opened, a bent portion having the same direction as the bent portion 136 shown in FIG. 5 can be formed, and the exterior / exterior tube 131 of the slide door 150 can be stably moved. Can do. As a result, the outer tube 131 and the wiring body 130 housed therein are not exposed to the outside of the guide rail housing portion 143 in a large arc, for example, and the inside of the guide rail housing portion 143 can be stabilized. It can be moved.

  A flat cable is preferably used for the wiring body 130 housed in the outer tube 131. When a plurality of flat cables are used as the wiring body 130, the wiring body 130 and the outer tube 131 have a large arc because the wiring cable 130 has a restoring force that recovers to the original linear shape even if it is bent at the bent portion 136. There is no fear of being drawn and exposed to the outside of the guide rail storage part 143, and can be moved only inside. As a flat cable used for the wiring body 130, the conductor to be included may be either a flat conductor or a round wire, but a flat cable including a flat conductor is more preferable.

  A power supply apparatus for a sliding door according to a second embodiment of the present invention will be described using the example shown in FIG. FIG. 6 shows the structure of the exterior tube 231 used in the power supply device for the sliding door of the present embodiment, wherein (a) is a plan view of the exterior tube 231, (b) is a side view, and (c) is A-. Sectional drawing in A line is shown, respectively.

  In the outer tube 231 of this embodiment, the upper surface 232 and the lower surface 233 have the same thickness, but the upper surface 232 is made of a highly stretchable material. Thus, the outer tube 231 can be easily bent with the upper surface 232 that is easy to extend outside. One embodiment in which the outer tube 231 is bent is shown in FIG. As shown in the figure, the outer tube 231 is formed with a bent portion 236 by extending the upper surface 232 with the lower surface 233 inside.

  In the present embodiment, by using the exterior tube 231, during the opening and closing of the slide door, it is possible to form only the bent portion 236 as shown in FIG. 7 and move stably in the guide rail storage portion. In addition, by reducing the thickness of the lower surface 233, it is possible to reduce the polarities of the bent portions 236 as in the case of the outer tube 131 of the first embodiment.

A power supply apparatus for a sliding door according to a third embodiment of the present invention will be described using the example shown in FIG. FIG. 8 shows the structure of the outer tube 331 used in the power supply device for the sliding door of the present embodiment, (a) is a plan view showing the upper surface 332 of the outer tube 331, (b) is a plan view of the lower surface 333, (C) is a side view, and (d) is a cross-sectional view taken along line AA.

  The exterior tube 331 of this embodiment has a structure in which a number of triangular grooves 334 are formed on the lower surface 333, and the side view of FIG. 8C is formed in a saw shape as a whole. By forming a large number of such triangular grooves 334 on the lower surface 333, the outer tube 331 can be easily bent with the lower surface 333 inside. One embodiment in which the outer tube 331 is bent is shown in FIG. In the outer tube 331 formed as described above, the lower surface 333 is easily bent inward so as to narrow the groove 334, and a bent portion 336 as shown in FIG. 9 is formed.

  Also in this embodiment, by using the exterior tube 331, during the opening and closing of the slide door, this can form only the bent portion 336 as shown in FIG. 9 and can move stably in the guide rail storage portion.

  A power supply apparatus for a sliding door according to a fourth embodiment of the present invention will be described using the example shown in FIG. FIG. 10 shows a side view of the exterior tube 431 used in the slide door power supply device of this embodiment. The outer tube 431 of the present embodiment has a triangular groove 336 formed on the lower surface 333 of the outer tube 331 of the third embodiment, whereas a rectangular groove 434 is formed in the present embodiment. I have to.

  Even if a large number of such rectangular grooves 434 are formed on the lower surface 433 of the outer tube 431, the outer tube 431 can be easily bent with the lower surface 433 inside, as in the third embodiment. . One embodiment in which the outer tube 431 is bent is shown in FIG. Even in the outer tube 431 formed as described above, the lower surface 433 is easily bent inward so as to narrow the groove 434, and a bent portion 436 as shown in FIG. 11 is formed.

  A power supply device for a sliding door according to a fifth embodiment of the present invention will be described using the example shown in FIG. FIG. 12 shows the structure of the outer tube 531 used in the power supply device for the sliding door of the present embodiment, where (a) is a plan view showing the upper surface 532 of the outer tube 531, (b) is a side view, and (c) ) Shows a cross-sectional view taken along line AA.

  The exterior tube 531 of the present embodiment has a structure in which protruding portions 534 are formed on both side edges of the upper surface 532. By forming such protrusions 534 on the upper surface 532, the upper surface 532 of the outer tube 531 is less likely to be bent. As a result, the outer tube 531 tends to bend with the lower surface 533 inside. When the outer tube 531 is bent, the protruding portion 534 is bent so as to fall outward. One embodiment in which the outer tube 531 is bent is shown in FIG.

  When the outer tube 531 is bent and the protruding portion 534 is bent, the bent portion 536 is bent at an acute angle as shown in FIG. Thus, the exterior tube 531 of this embodiment can prevent the exterior tube 531 from being expanded and exposed to the outside of the guide rail housing portion by being bent at an acute angle.

  A power supply apparatus for a sliding door according to a sixth embodiment of the present invention will be described using the example shown in FIG. FIG. 14 shows the structure of the exterior tube 631 used in the power supply device for a sliding door of the present embodiment, where (a) is a plan view of the exterior tube 631, (b) is a side view, and (c) is A-. Sectional drawing in A line is shown, respectively.

  As shown in FIG. 14C, the outer tube 631 of the present embodiment has an arc shape in which the cross sections of the upper surface 632 and the lower surface 633 both bulge upward. By forming an arc having a cross section as shown in FIG. 14C, the outer tube 631 has a shape that is difficult to bend. In particular, it has a shape that is difficult to bend with the upper surface 632 bulging in an arc shape inside, and when bent, the upper surface 632 is bent outward. One embodiment in which the outer tube 631 is bent is shown in FIG.

  FIG. 15 shows an example of a bent portion 636 when the outer tube 631 is bent with the upper surface 632 swelled in an arc as the outside. When the outer tube 631 is bent, the arc is flattened at the bent portion 636 and bent at an acute angle. That is, in the outer tube 631 of the present embodiment, the bent portion 636 is bent at an acute angle, similarly to the outer tube 531 of the fifth embodiment. Thus, even the exterior tube 631 of this embodiment can prevent the exterior tube 631 from expanding and being exposed to the outside of the guide rail housing portion by being bent at an acute angle.

  As described above, in any embodiment of the power supply device for a slide door according to the present invention, the outer tube is structured as described above so that only one bent portion is formed during opening and closing of the slide door. It is possible to stably move the outer tube and the wiring body accommodated therein within the guide rail accommodating portion.

  In addition, the description in this Embodiment shows an example of the electric power feeder for sliding doors concerning this invention, and is not limited to this. The detailed configuration and detailed operation of the sliding door power supply apparatus according to the present embodiment can be changed as appropriate without departing from the spirit of the present invention.

It is a top view of the electric power feeder for sliding doors concerning the 1st Embodiment of this invention. It is a top view which shows the vehicle structure of a slide door periphery. It is a figure which shows the structure of the exterior tube which concerns on 1st Embodiment. It is a figure which shows the bending state of an exterior tube. It is a figure which shows the movement locus | trajectory of the exterior tube which concerns on 1st Embodiment. It is a figure which shows the structure of the exterior tube which concerns on 2nd Embodiment. It is a figure which shows the bending part of the exterior tube which concerns on 2nd Embodiment. It is a figure which shows the structure of the exterior tube which concerns on 3rd Embodiment. It is a figure which shows the bending part of the exterior tube which concerns on 3rd Embodiment. It is a figure which shows the structure of the exterior tube which concerns on 4th Embodiment. It is a figure which shows the bending part of the exterior tube which concerns on 4th Embodiment. It is a figure which shows the structure of the exterior tube which concerns on 5th Embodiment. It is a figure which shows the bending part of the exterior tube which concerns on 5th Embodiment. It is a figure which shows the structure of the exterior tube which concerns on 6th Embodiment. It is a figure which shows the bending part of the exterior tube which concerns on 6th Embodiment. It is a top view of the electric power feeder for the conventional slide door.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Power supply apparatus for sliding doors 110 Car body side fixing | fixed part 111 1st R part 120 Bracket side fixing | fixed part 121 2nd R part 130 Wiring bodies 131, 231, 331, 431, 531, 631 Exterior tube 132, 232, 332, 432, 532, 632 Upper surface 133, 233, 333, 433, 533, 633 Lower surface 134 Side surface 135 Hollow portion 136, 236, 336, 436, 536, 636 Bent portion 140 Car body 141 Guide rail 142 Step 143 Guide rail storage portion 150 Slide Door 151 Brackets 334, 434 Groove 534 Projection 901 Cable guide 902 Piece member 903 Car body 904 Sliding door

Claims (2)

A slide door power supply device that constantly supplies power from the vehicle body to a slide door configured to be opened and closed by moving a bracket along a guide rail stored in a guide rail storage portion of the vehicle body,
A flat cable for supplying power from the vehicle body side to the sliding door side ;
A vehicle body side fixing portion that is attached to a predetermined attachment position in the guide rail housing portion and grips the flat cable;
A bracket side fixing portion that is attached to a predetermined mounting position of the bracket and holds the flat cable;
An exterior tube that is routed between at least the vehicle body side fixing portion and the bracket side fixing portion and stores the flat cable;
The outer tube has protrusions of a predetermined height on both edges of the upper surface, and the protrusions are maintained in a substantially straight shape except for one bent part that is bent at an acute angle by falling outward.
The power supply device for a slide door , wherein the outer tube is not exposed from the guide rail housing portion by moving the position of the bent portion formed in the outer tube as the slide door is opened and closed. A slide door power supply device that constantly supplies power from the vehicle body to a slide door configured to be opened and closed by moving a bracket along a guide rail stored in a guide rail storage portion of the vehicle body,
A flat cable for supplying power from the vehicle body side to the sliding door side ;
A vehicle body side fixing portion that is attached to a predetermined attachment position in the guide rail housing portion and grips the flat cable;
A bracket side fixing portion that is attached to a predetermined mounting position of the bracket and holds the flat cable;
An exterior tube that is routed between at least the vehicle body side fixing portion and the bracket side fixing portion and stores the flat cable;
The outer tube is formed in a substantially arc shape with a cross section of the upper surface and the lower surface convex upward, and is maintained substantially linear except for one bent portion formed by bending at an acute angle with the upper surface as the outside and the lower surface as the inside. And
The power supply device for a slide door , wherein the outer tube is not exposed from the guide rail housing portion by moving the position of the bent portion formed in the outer tube as the slide door is opened and closed.

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