JP5578863B2 - Wire harness and power supply device for slide body including the wire harness - Google Patents

Description

  The present invention relates to a wire harness routed over a vehicle body such as an automobile and a slide body provided slidably with respect to the vehicle body, and an electronic device including the wire harness and mounted on the slide body It is related with the electric power feeder for slide bodies for always connecting electrically.

  In order to always be electrically connected to an electronic device such as a seat heater mounted on a slide body such as an automobile slide seat, various power supply apparatuses for slide bodies (hereinafter simply referred to as a power supply apparatus; Have been used.

  The above-described power supply device disclosed in Patent Document 1 includes a wire harness routed between a vehicle body and a slide seat provided slidably on the vehicle body, and a part of the wire harness attached to the vehicle body. A protector for housing, a slide connector provided slidably on the protector and attached to one end of the wire harness, and a fixed connector fixed to the protector and attached to the other end of the wire harness. Yes.

  The said wire harness is accommodated in the state folded in U shape in the protector. And a wire harness follows the slide movement of this slide connector because the position of the folding | vertical vertex part is displaced with the slide movement of a slide connector.

  In the power supply apparatus disclosed in Patent Document 1 described above, the fixed connector is connected to a battery or the like attached to a vehicle body, and the slide connector is connected to a seat heater mounted on a slide seat, and the slide connector is slid. When the sheet harness slides with respect to the vehicle body, the wire harness follows the slide movement of the slide connector, that is, the slide sheet, so that the above-described seat heater as the electronic device and the above-described battery are always electrically connected.

JP 10-112922 A

  However, in the conventional power supply device shown in Patent Document 1 described above, the wire harness is housed in a U-shaped state in the protector, and the position of the fold apex portion is set to the sliding movement of the slide connector. By displacing it, the slide connector, that is, the slide movement of the slide sheet follows.

  For this reason, each time the wire harness slides and slides, the displacement of the vertices of the folding is repeated, so that the elastic force decreases, buckling at the folds of the folding, or unexpected in the protector. The wire harness tends to be easily damaged by being bent in the direction.

  Therefore, in view of the above-described problems, the present invention can maintain an elastic force for a long period of time, and can prevent buckling due to folding or bending and breaking in an unexpected direction and the wire harness. It is an object to provide a power supply device for a slide body including

In order to solve the problems and achieve the object, the invention described in claim 1 is a belt-like flat cable having a conductor and an insulator covering the conductor, and the flat cable attached to the flat cable and the flat cable. An elastic member that generates an elastic restoring force that keeps the flat cable in a straight line when the cable is bent, and the elastic member is made of a rod-like metal and is bent so as to meander in the width direction of the flat cable. The wire harness is formed on the flat cable and attached to at least one surface of the flat cable .

According to a second aspect of the present invention, there is provided a slide including a vehicle body and a wire harness that is slidably provided on the vehicle body and that opens and closes an opening formed in the vehicle body. In the body power supply device, the wire harness is constituted by the wire harness described in claim 1 , and is a slide body power supply device.

  According to the invention described in claim 1, when the flat cable is attached to the flat cable and bent, the flat cable is linear. Therefore, the elastic member can be prevented from being lowered due to repeated bending of the flat cable by the elastic member. For this reason, the wire harness which can maintain an elastic force over a long term can be obtained.

Further , the elastic member is made of a rod-shaped metal and is bent so as to meander in the width direction of the flat cable, and is attached on at least one surface of the flat cable. It is easy to process and attach to the flat cable, and it is only necessary to attach the elastic member to a generally used flat cable, and the cost can be reduced.

According to the invention described in claim 2 , since the wire harness that is slidably provided on the vehicle body and is arranged over the slide body is constituted by the wire harness according to claim 1 . Thus, it is possible to obtain a power supply device for a slide body including a wire harness that can maintain an elastic force at a low cost for a long period of time.

  As described above, the invention according to claim 1 can prevent a decrease in elastic force due to repeated bending of the flat cable by the elastic member, so that the wire harness capable of maintaining the elastic force over a long period of time. Can be obtained. Therefore, the wire harness can be prevented from being bent or buckled in an unexpected direction, and the wire harness can be prevented from being damaged. Therefore, the conduction reliability of the wire harness can be improved. In addition, it is only necessary to attach an elastic member to a generally used flat cable, and the processing is easy and the cost can be reduced.

Furthermore , it is easy to process the elastic member and attach it to the flat cable, and it is only necessary to attach the elastic member to a commonly used flat cable, and the cost can be reduced. For this reason, the wire harness which can maintain an elastic force over a long period of time at low cost can be obtained.

According to the second aspect of the present invention, since the wire harness that is slidably provided on the vehicle body and is routed over the slide body is composed of the wire harness described above, it is low-cost and long-term. Thus, it is possible to obtain a power supply device for a slide body including a wire harness that can maintain an elastic force. For this reason, it is possible to prevent the wire harness from being bent or buckled in an unexpected direction at a low cost and to prevent the wire harness from being damaged. Connection reliability can be improved.

It is a perspective view which shows the principal part of the motor vehicle in which the electric power feeder for slide bodies which concerns on one Embodiment of this invention is used. It is a disassembled perspective view of the electric power feeder for slide bodies shown by FIG. FIG. 2 is a perspective view showing a state where a sunroof of the power supply apparatus for a slide body shown in FIG. 1 is positioned at a position where the opening is closed. FIG. 2 is a perspective view showing a state where a sunroof of the power supply apparatus for a slide body shown in FIG. 1 is positioned at a position where an opening is opened. It is a perspective view which shows the state located in the state which the end part of the back side protruded upwards in the state which the sunroof of the electric power feeder for slide bodies shown by FIG. 1 closed the opening part. FIG. 4 is a side cross-sectional view of a power supply device for a slide body and a roof portion shown in FIG. 3. It is a sectional side view of the electric power feeder for roofs shown in FIG. 4, and a roof part. FIG. 6 is a side sectional view of the power supply device for the slide body and the roof portion shown in FIG. 5. It is a perspective view which shows the wire harness of the electric power feeder for slide bodies shown by FIG. It is a perspective view which shows the modification of the elastic member of the wire harness shown by FIG.

  Hereinafter, a wire harness according to an embodiment of the present invention and a power supply device for a slide body including the wire harness (hereinafter simply referred to as a power supply device) will be described with reference to FIGS. 1 to 9. The power supply device 1 according to an embodiment of the present invention is provided on a slide body such as an electronic device on the vehicle body side of the automobile 4 and a sunroof 3 that is slidable with respect to the vehicle body such as the roof portion 2. In the present invention, power is always supplied to an electronic device provided on a slide body that is slidable with respect to a vehicle body. Also good.

  A power feeding device 1 includes an automobile 4 (see FIG. 1 and the like) including a roof portion 2 as a vehicle body shown in FIG. 1 and a sunroof 3 as a slide body shown in FIG. Attached).

  As shown in FIGS. 6 to 8, the roof portion 2 includes a roof panel 5 and a roof trim 6 that are overlapped with each other. The roof panel 5 and the roof trim 6 are provided with openings 5a and 6a communicating with each other. The roof trim 6 is attached to the passenger compartment side of the roof panel 5. On the roof panel 5, the sunroof 3 is moved in the front-rear direction of the automobile 4 so that the opening 5 a is opened and closed by the sunroof 3, and the sunroof 3 in a state where the opening 5 a is closed is attached to the rear end of the automobile 4. A slide mechanism 7 (shown in FIGS. 1 and 2) that rotates around the front end portion of the automobile 4 is attached so that the portion is directed upward.

  The sunroof 3 is formed in a flat plate shape, and a solar cell panel 8 as an electronic device shown in FIG. The sunroof 3 covers the state in which the opening 5a of the roof panel 5 shown in FIG. 6 is closed and the state in which the opening 5a of the roof panel 5 shown in FIG. The vehicle 4 is moved in the front-rear direction. Further, the sunroof 3 is rotated around the front end of the automobile 4 by the slide mechanism 7 described above so that the rear end of the automobile 4 shown in FIG.

  In the present embodiment, the solar cell panel 8 as an electronic device is attached to the sunroof 3 described above. However, in the present invention, the solar cell panel 8 is not limited to the solar cell panel 8, and various types such as a touch sensor and a light control panel can be used. An electronic device may be attached to the sunroof 3.

  As shown in FIGS. 3 to 5, the power supply device 1 includes a wire harness 10, a first protector 11, and a second protector 12. The wire harness 10 is routed across the roof portion 2 and the sunroof 3 described above, and electrically connects the electronic device on the vehicle body side and the solar cell panel 8 attached to the sunroof 3. The detailed configuration of the wire harness 10 will be described later.

  The first protector 11 is made of an insulating synthetic resin and extends linearly. As shown in FIGS. 3 to 5, the first protector 11 includes a flat bottom wall 13 attached to the edge of the opening 6 a of the roof trim 6, and both the width direction of the bottom wall 13. A pair of upright walls 14 erected from the edge are provided and formed into a bowl shape. The first protector 11 is arranged such that the opening in the cross section thereof faces the sunroof 3 by attaching the bottom wall portion 13 to the roof trim 6.

  The longitudinal direction of the first protector 11 is parallel to the longitudinal direction of the automobile 4, that is, the sliding direction of the sunroof 3. Further, the first protector 11 is provided with a blocking wall 15 that closes between the bottom wall portion 13 and the pair of standing walls 14 at the front end of the automobile 4.

  The second protector 12 is provided at a position facing the first protector 11 of the sunroof 3 when the sunroof 3 is positioned in a state of closing the opening 5a. The second protector 12 is made of an insulating synthetic resin and extends linearly. As shown in FIGS. 3 to 5, the second protector 12 includes a flat bottom wall 16 attached to the sunroof 3 and a pair of uprights standing from both edges in the width direction of the bottom wall 16. It is provided with a wall 17 and is formed in a bowl shape.

  As for the 2nd protector 12, the bottom wall part 16 is attached to the sunroof 3, and the opening in the cross section is arrange | positioned facing the opening in the cross section of the 1st protector 11. FIG. The longitudinal direction of the second protector 12 is parallel to the longitudinal direction of the automobile, that is, the sliding direction of the sunroof 3. Further, the second protector 12 is provided with a closing wall 18 that closes the space between the bottom wall portion 16 and the pair of standing walls 17 at the rear end of the automobile.

  In addition, when the first protector 11 and the second protector 12 are positioned in a state where the sunroof 3 closes the opening 5a, the first protector 11 is placed in the second protector 12 over substantially the entire length thereof. It is arranged at the position to be accommodated.

  The wire harness 10 described above includes a flexible flat cable (Flexible Flat Cable: hereinafter referred to as FFC) 20 as a flat cable and an elastic member 23 attached to the FFC 20, as shown in FIG.

  In this embodiment, an FFC (Flexible Flat Cable) 20 is used as the flat cable. However, in the present invention, a flexible printed circuit (FPC) or the like may be used as the flat cable.

  As shown in FIG. 9, the FFC 20 includes a plurality of conductors 21 and an insulator 22 that covers the plurality of conductors 21. Each of the plurality of conductors 21 has a rectangular cross-sectional shape and extends linearly. The plurality of conductors 21 are arranged in parallel to each other (that is, in parallel). Each of the plurality of conductors 21 has flexibility.

  The insulator 22 is made of an insulating synthetic resin and is formed in a strip shape. The insulator 22 is formed by extrusion molding around the plurality of conductors 21 and covers the plurality of conductors 21. The insulator 22 has flexibility.

  In this embodiment, the insulator 22 is formed around the plurality of conductors 21 by extrusion molding, and the insulator 22 covers the plurality of conductors 21. However, in the present invention, a pair of insulators 22 is used. The plurality of conductors 21 may be covered by sandwiching the plurality of conductors 21 between the pair of insulating sheets.

  And FFC20 of the structure mentioned above is provided with the some conductor 21 and the insulator 22, and is formed in the flat strip | belt shape which has flexibility.

  The elastic member 23 is made of an elongated rod-like metal, and is bent so as to meander in the width direction of the insulator 22 of the FFC 20 as shown in FIG. The elastic member 23 is attached on one surface 22 a of the insulator 22 of the FFC 20 and extends along the longitudinal direction of the FFC 20. As shown in FIG. 1 or FIG. 4, the one surface 22 a is a surface located on the inner side when the FFC 20, that is, the wire harness 10 is arranged in a U shape in the first and second protectors 11 and 12. is there.

  The elastic member 23 is attached on one surface 22a of the insulator 22 of the FFC 20, and when the FFC 20 is bent, an elastic restoring force is generated so as to keep the FFC 20 linear.

  In the present embodiment, the elastic member 23 described above is attached on one surface 22a (shown in FIGS. 2, 4, and 9) of the insulator 22 of the FFC 20, but in the present invention, the elastic member 23 23 may be mounted on the other surface 22b (shown in FIG. 2 or 5) of the insulator 22 of the FFC 20, and the elastic member 23 may be mounted on both surfaces 22a and 22b of the insulator 22, respectively. . In the present embodiment, the elastic member 23 described above is formed in a rectangular wave shape in the planar shape. However, in the present invention, the elastic member 23 may be formed in a sine wave shape, a triangular wave shape, or the like.

  The FFC 20 having the above-described configuration is arranged such that one end portion 20a and the other end portion 20b are located on the front side of the automobile and the center portion is located on the rear side of the automobile, and the one end portion 20a is the first end portion. The bottom wall portion 13 of the protector 11 is attached to the bottom wall portion 13 while being overlapped with the inner surface of the front end portion of the automobile 4, and the other end portion 20 b of the bottom wall portion 16 of the second protector 12. It is attached to the bottom wall portion 16 so as to overlap the inner surface of the front end portion of the automobile 4.

  When the wire harness 10 having the above-described configuration is positioned in a state where the sunroof 3 closes the opening 5a, the one end 20a and the other end 20b of the FFC 20 are spaced apart from each other and are parallel to each other. Attached to the inner surfaces of the bottom wall portions 13, 16 of the first and second protectors 11, 12, the wire harness 10 is parallel to the inner surfaces of the bottom wall portions 13, 16, and the elastic member 23 is located inside. Are arranged in a U-shape.

  In the wire harness 10, one end portion 20 a of the FFC 20 protrudes from the first protector 11 along the width direction of the first protector 11 and is connected to an electronic device on the vehicle body side of the automobile 4. The other end portion 20 b of the second protector 12 protrudes from the second protector 12 along the width direction of the second protector 12 and is connected to a solar cell panel 8 as an electronic device on the sunroof 3 side of the automobile 4.

  In the power supply device 1 having the above-described configuration, the electronic device on the vehicle body side and the solar cell panel 8 on the sunroof 3 side are always electrically connected by the FFC 20, that is, the wire harness 10. When the power supply device 1 moves between the state in which the sunroof 3 illustrated in FIG. 6 blocks the opening 5a and the state in which the sunroof 3 illustrated in FIG. 7 opens the opening 5a, the wire harness 10 is The FFC 20 is kept in contact with the inner surfaces of the first and second protectors 11 and 12 by the flexibility of the FFC 20 and the elastic restoring force of the elastic member 23.

  Further, the power feeding device 1 can also be used when the sunroof 3 shown in FIG. 6 closes the opening 5a to move the sunroof 3 shown in FIG. 10 is kept in contact with the inner surfaces of the first and second protectors 11 and 12 by the flexibility of the FFC 20 and the elastic restoring force of the elastic member 23.

  According to the present embodiment, the belt-like FFC 20 having the conductor 21 and the insulator 22 covering the conductor 21 and the elastic restoring force that is attached to the FFC 20 and keeps the FFC 20 in a straight line when the FFC 20 is bent. Therefore, the wire harness 10 that can prevent the elastic force from being lowered due to repeated bending of the FFC 20 by the elastic member 23 and thus can maintain the elastic force over a long period of time. Can be obtained.

  For this reason, the wire harness 10 can be prevented from being bent or buckled in an unexpected direction, and the wire harness 10 can be prevented from being damaged. Therefore, the conduction reliability of the wire harness 10 can be improved. Moreover, it is only necessary to attach the elastic member 23 to the FFC 20 that is generally used, so that the processing is easy and the cost can be reduced.

  Further, since the elastic member 23 is made of a rod-like metal and is bent so as to meander in the width direction of the FFC 20 and is attached on at least one surface 22a of the FFC 20, the elastic member 23 And the attachment to the FFC 20 is easy, and it is only necessary to attach the elastic member 23 to the FFC 20 that is generally used, and the cost can be reduced. For this reason, the wire harness 10 which can maintain an elastic force over a long period of time at low cost can be obtained.

  Furthermore, since the wire harness routed across the roof portion 2 as the vehicle body and the sun roof 3 as the slide body provided slidably on the roof portion 2 is composed of the wire harness 10 described above, The power supply apparatus 1 for a slide body including the wire harness 10 that can maintain an elastic force over a long period of time at low cost can be obtained. For this reason, it is possible to prevent the wire harness 10 from being bent or buckled in an unexpected direction at a low cost, and to prevent the wire harness 10 from being damaged. The connection reliability of the device 1 can be improved.

  In the above-described embodiment, the wire harness 10 is configured such that the elastic member 23 is bent so as to meander in the width direction of the insulator 22 of the FFC 20 and attached to one surface 22 a of the insulator 22. ing. However, in the present invention, as shown in FIG. 10, the wire harness 10 may be configured by forming the elastic member 23 ′ in a spiral shape and passing the FFC 20 inside. In FIG. 10, the same parts as those of the above-described embodiment are denoted by the same reference numerals and description thereof is omitted.

  In the case shown in FIG. 10, the elastic member 23 ′ is made of an elongated rod-like metal, is formed in a spiral shape, and passes through the FFC 20 inside. For this reason, it is easy to process the elastic member 23 ′ and attach it to the FFC 20, and it is only necessary to pass the FFC 20 generally used inside the elastic member 23 ′, so that the cost can be reduced. Therefore, the wire harness 10 which can maintain an elastic force over a long period of time at low cost can be obtained.

  In the case shown in FIG. 10, the elastic member 23 ′ is formed in a spiral shape and is configured to pass through the FFC 20 on the inner side. However, in the present invention, an elastic member made of an elongated rod-shaped metal is wound around the FFC 20. It may be configured.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

1 Power supply device for slide body 2 Roof part (vehicle body)
3 Sunroof (slide body)
5a Opening 6a Opening 10 Wire harness 20 FFC (Flat cable)
21 Conductor 22 Insulator 22a One surface 23 Elastic member

Claims (2)

A strip-shaped flat cable having a conductor and an insulator covering the conductor;
An elastic member that is attached to the flat cable and produces an elastic restoring force that keeps the flat cable straight when the flat cable is bent;
Equipped with a,
The elastic member is made of a rod-shaped metal and is bent so as to meander in the width direction of the flat cable, and is attached to at least one surface of the flat cable. Wire harness to be used. In a power supply device for a slide body comprising a vehicle body, a slide body that is slidably provided in the vehicle body and opens and closes an opening formed in the vehicle body, and a wire harness routed over the slide body,
The said wire harness is comprised with the wire harness described in Claim 1 , The electric power feeder for slide bodies characterized by the above-mentioned.

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