JP2007269136A - Protective construction of feeder system for sliding doors - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a protection structure of a power supply device for a sliding door capable of avoiding damage on side surfaces of the sliding door and a bracket due to a contact with a wire harness crossing from a vehicle body side to the sliding door side or a corrugated tube containing the wire harness. <P>SOLUTION: A protective member 1 has a flat plate portion 2 with a roughly rectangle shape for covering an upper surface of a bottom portion of the bracket, and a warp portion 3 provided at one edge of the flat plate portion 2. The warp portion 3 is provided so as to warp downward. The protection structure of the power supply device for the sliding door can be properly realized by attaching the protective member 1 at the sliding door. Besides, the protection structure of the power supply device for the sliding door can be realized by providing resin coating on the upper surface of the bottom portion of the bracket. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a protection structure for a slide door power supply device provided to protect a power supply device for a slide door that constantly supplies power and transmits signals to a device in a slide door from a vehicle body side of an automobile.

  Equipment such as a power window motor, a switch, and a speaker is incorporated in a sliding door used for a one-box car, a wagon car, and the like. In order to supply power to these devices from the vehicle body side, it is necessary to route an electric wire (wire harness) from the vehicle body side to the slide door side and to allow the electric wire to follow the opening and closing of the slide door. Conventionally, a highly flexible round wire has been used as a wire harness.

  Conventionally, as a power supply device for this type of sliding door, there is a method of installing an electric wire winding unit on the vehicle body side and absorbing the extra length of the electric wire accompanying opening and closing of the sliding door by winding the electric wire winding unit. It is known (see Patent Document 1).

  As another type of power supply device for a sliding door, a corrugated tube containing a wire harness 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).

Japanese Patent Laid-Open No. 11-93514 JP 2002-79892 A

  However, since the electric power supply device for the sliding door described in Patent Document 1 has a structure in which the electric wire is drawn out from the winding unit while being bare, there is a risk that the electric wire may rub against the slide rail to generate an impact sound or be damaged. There is.

  In the power supply device for sliding door described in Patent Document 2, the wire harness is housed in the corrugated tube, so that the wire harness itself is less likely to be damaged. There is a risk that abnormal noise may occur or the corrugated tube may be damaged.

  Therefore, in order to solve these problems, the present invention is such that a wire protection tube such as a corrugated tube that accommodates a wire harness that extends from the vehicle body side to the slide door side contacts the upper surface of the bottom portion of the bracket attached to the slide door or the lower portion thereof. It is an object of the present invention to provide a protection structure for a sliding door power supply device that can avoid abnormal noise and damage.

  According to a first aspect of the present invention, there is provided a vehicle body side fixing unit fixed to the vehicle body side, a door side fixing unit fixed to the slide door side, connectors at both ends, and the vehicle body side fixing unit and the door side. A slide door power supply device protection structure used when using a slide door power supply device including a flat cable routed from the vehicle body side to the slide door side via a fixed unit, A cover is provided on at least a part of the upper surface of the bottom of the bracket connecting the slide door to the vehicle body.

  A second solving means of the present invention is characterized in that, in the first solving means, the cover is attached to the upper surface of the bottom of the bracket by a fixing means such as a screw.

  A third solving means of the present invention is characterized in that, in the first solving means, the cover is covered on an upper surface of a bottom portion of the bracket.

  According to a fourth solving means of the present invention, in the first to third solving means, the flat cable is accommodated in a flexible wire protection tube.

  According to the protection structure for the power supply device for a sliding door of the present invention, since the cover is provided on at least a part of the upper surface of the bottom portion of the bracket, the flat cable and the wire protective tube hit the upper surface of the bottom portion of the sliding door or the bracket. It is possible to prevent the occurrence of damage or damage.

  With reference to the drawings, a detailed description will be given of a protection structure for a sliding door power supply device according to a preferred embodiment of the present invention. 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 is a view showing an example of a protective member used in the protective structure of the power supply device for a sliding door according to the embodiment of the present invention, FIG. 1 (a) is a perspective view, FIG. 1 (b) is a plan view, FIG. 1 (c) shows a side view. The protective member 1 covers at least a part of the upper surface of the bottom of the bracket, and includes a flat plate portion 2 having a substantially rectangular shape and a warped portion 3 provided at one end of the flat plate portion 2. The warped portion 3 is provided so as to warp downward.

  And, by attaching the protective member to at least a part of the side surface of the bracket sliding door side installation part, it is possible to prevent the cable portion of the sliding door power supply device from directly contacting the sliding door or the bracket. Become.

  Next, an example of the sliding door power supply apparatus to which the protective member used in the protection structure of the sliding door power supply apparatus according to the embodiment of the present invention is applied will be described with reference to FIG. Note that the sliding door power supply device shown in FIG. 2 shows only the minimum necessary configuration, and for example, the vehicle body side is supported by a metal fitting attached to the vehicle body so that it can swing in the lateral direction. Needless to say, an electric wire winding unit may be provided.

  The power supply apparatus 11 for a sliding door includes a vehicle body side fixing unit 20 that is fixed to a predetermined position of the vehicle body, and a door side fixing unit 30 that is fixed to a predetermined position of the sliding door. Between the side fixing unit 30, a flat cable 40 is disposed as a wire harness that supplies power from the vehicle body side to the sliding door side.

  In the sliding door power supply apparatus 11 shown in FIG. 2, the flat cable 40 has a connector 41 for connection to the vehicle body side and a connector 42 for connection to the slide door side at both ends.

  The flat cable 40 may be a single cable or a bundle of two or more cables. FIG. 2 shows an embodiment in which a plurality of flat cables 40 are bundled and wired. The plurality of flat cables 40 are integrally connected to the connector 41 and the connector 42, respectively.

  The vehicle body side fixing unit 20 is fixed to a predetermined position of the vehicle body and has a role of holding the end portion of the flat cable 40 on the connector 41 side. That is, the end of the flat cable 40 on the connector 41 side is inserted into the insertion port 21 and fixed with the cable band 22. The flat cable 40 is routed to the vehicle body from the wiring outlet 24 of the vehicle body side fixing unit 20 via the extra length storage portion 23.

  The door-side fixing unit 30 includes a wiring extraction part 31, a door holder 32, and a holder cover 33. The end of the flat cable 40 on the connector 42 side is fixed to the wiring extraction portion 31 with a cable band (not shown). The flat cable 40 is configured to be routed to the sliding door via the wiring extraction portion 31.

  The wiring extraction portion 31 is fixed to a predetermined position of the door holder 32 and is covered with a holder cover 33 together with the door holder 32. The holder cover 33 is for protecting the flat cable 40 from being damaged by pebbles, water, etc., and the door holder 32 and the holder cover 33 are integrally fixed to the door panel. Here, a waterproof seal (not shown) may be inserted between the holder cover 33 and the door panel so that water does not enter the door through the gap between the holder cover 33 and the door panel of the slide door.

  In the sliding door power supply device 11, the flat cable 40 is horizontally disposed between the vehicle body side fixing unit 20 and the door side fixing unit 30 so that the cross section is vertically long in the vertical direction. Therefore, it has a structure that can move relatively freely in the horizontal direction.

  Further, in the power supply apparatus 11 for the sliding door, the flat cable 40 is only held at both ends by the vehicle body side fixing unit 20 and the door side fixing unit 30 and is not provided with an intermediate portion. Therefore, it is conceivable that the amount of movement of the corrugated tube 40 in the horizontal direction becomes large due to its structure.

  Therefore, a sliding door as shown in FIG. 2 is obtained by attaching the protective member 1 as shown in FIG. 1 to at least a part of the side surface of the mounting portion on the sliding door side of the bracket and using it as a protective structure of the power supply device for the sliding door. It is possible to prevent the flat cable 40 of the power supply device 11 from moving in the horizontal direction and coming into contact with the side surface of the slide door or the bracket to cause damage or noise.

  In addition, the power supply apparatus for sliding doors to which the protection member used for the protection structure of the power supply apparatus for slide doors of the embodiment of the present invention is applied is not limited to that shown in FIG. 2, but as shown in FIG. It can also be. FIG. 3 is a perspective view showing another example of the sliding door power supply apparatus to which the protective member used in the protection structure for the sliding door power supply apparatus according to the embodiment of the present invention is applied. 3 is different from FIG. 2 in that a corrugated tube 50 is provided as an electric wire protection material covering the outside of the flat cable 40, and the other points are the same as in FIG.

  Here, FIG. 4 shows a state where the protective member 1 shown in FIG. 1 is installed on the slide door. In FIG. 4, the door side fixing unit 30 of the sliding door power supply device 11 (12) is installed below the sliding door 61, a bracket 62 is installed in front of the installation position of the door side fixing unit 30, and the bracket 62 is installed. The part 63 is fixed to the slide door 61. Reference numeral 64 denotes a bolt for fixing the mounting portion 63 of the bracket 62 to the slide door 61, 65 denotes a bottom upper surface of the bracket 62, and 66 denotes a bolt for fixing the bottom upper surface 65 of the bracket 62 to the slide door 61.

  The protection member 1 is attached to the bottom upper surface 65 of the bracket 62. More specifically, the protection member 1 is such that the flat surface of the flat plate portion 2 is parallel to the bottom upper surface 65 of the bracket 62, the long side direction of the flat plate portion 2 faces the front-rear direction of the vehicle, and the warped portion 3 faces the rear of the vehicle. Is attached to the side surface of the bottom upper surface 65 of the bracket 62.

  By attaching the protective member 1 to the bottom upper surface 65 of the bracket 62 as described above, the flat cable 40 (or the corrugated tube 50) is prevented from directly hitting the bottom upper surface 65 of the bracket 62 when the sliding door 61 is opened and closed. The flat cable 40 (or the corrugated tube 50) can be in contact with the flat plate portion 2 of the member 1. Accordingly, it is possible to prevent the flat cable 40 (or the corrugated tube 50) from hitting the bottom upper surface 65 of the bracket 62 and making a sound.

  Further, the protective structure of the sliding door power supply device is not limited to that shown in FIG. 4, and as shown in FIG. 5, the resin upper portion 65 of the bracket 62 is covered with resin or the like to cover the resin covering portion 71. It can also be formed. In FIG. 5, the resin coating 71 is formed so as to cover the bolt 66, but the flat cable 40 (or the corrugated tube 50) of the sliding door power supply device 11 (12) may come into contact with the bolt 66. If not, it is not necessary to cover the bolt 66 with the resin coating 71.

  Note that the embodiments of the present invention are not limited to those described above. For example, the protection structure for the sliding door power supply device of the present invention can also be used to protect the sliding door power supply device disclosed in each of the aforementioned patent documents.

It is a figure which shows an example of the protection member used for the protection structure of the electric power feeder for sliding doors of embodiment of this invention, Comprising: Fig.1 (a) is a perspective view, FIG.1 (b) is a top view, FIG.1 (c) ) Is a side view. It is a perspective view which shows one Example of the power supply apparatus for slide doors to which the protection structure of the power supply apparatus for slide doors of embodiment of this invention is applied. It is a perspective view which shows another example of the power supply apparatus for sliding doors to which the protection structure of the power supply apparatus for slide doors of embodiment of this invention is applied. It is a figure which shows an example of the protection structure of the electric power feeder for sliding doors of embodiment of this invention. It is a figure which shows another example of the protection structure of the electric power feeder for sliding doors of embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Protective member 2 ... Flat plate part 3 ... Warpage part 11, 12 ... Power supply apparatus 20 for sliding doors ... Vehicle side fixing unit 21 ... Insert port 22 ... Cable band 23 ... extra length storage part 24 ... wiring outlet 30 ... door side fixing unit 31 ... wiring extraction part 32 ... door holder 33 ... holder cover 34 ... waterproof seal 40 ... Flat cable 41, 42 ... Connector 50 ... Corrugated tube 61 ... Slide door 62 ... Bracket 63 ... Installation portion 64 ... Bolt 65 ... Bottom upper surface 66 ... Bolt 71- ..Resin coating

Claims (4)

A vehicle body side fixing unit fixed to the vehicle body side, a door side fixing unit fixed to the sliding door side, and connectors on both ends, the vehicle body side via the vehicle body side fixing unit and the door side fixing unit. A sliding door power feeding device protection structure used when using a sliding door power feeding device provided with a flat cable routed from the sliding door to
A protective structure for a power supply device for a sliding door, wherein a cover is provided on at least a part of the upper surface of the bottom of a bracket that connects the sliding door to a vehicle body.   2. The protective structure for a sliding door power feeding device according to claim 1, wherein the cover is attached to the upper surface of the bottom of the bracket by a fixing means such as a screw.   The protective structure of the power supply device for a sliding door according to claim 1, wherein the cover is covered on the upper surface of the bottom of the bracket.   The said flat cable is accommodated in the electric wire protective tube which has flexibility, The protection structure of the electric power feeder for sliding doors in any one of Claims 1-3 characterized by the above-mentioned.

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