JP4585884B2 - Power supply device for sliding door - Google Patents

Description

  The present invention relates to a power supply device for a sliding door.

  2. Description of the Related Art Conventionally, for example, various devices such as a power window motor, a switch unit for operating a motor, or a pinch detection preventing sensor are disposed on a sliding door of an automobile. Then, in order to supply power supply current, signal current, etc. to these various devices, a wire harness is routed from the vehicle body side (power supply side) to the slide door side, and this wire harness is held in a housing member so that it can be bent and extended. There is known a power feeding device that performs the above (Patent Documents 1 to 3, etc.).

For example, the power supply device of Patent Document 1 includes a rotary clamp (1) fixed to the vehicle body side of an automobile and a housing member (4) fixed to the slide door side, and a wire harness (2 , 3) is routed. According to this power supply device, since the wire harness can be bent and stretched within the housing member, the wire harness can be bent and stretched in accordance with the state even when the sliding door is opened or the sliding door is being opened and closed. The power source on the vehicle body side and the wire harness are always connected. Thereby, electric power is always supplied from the power source to various devices.
JP 2003-335189 A (Fig. 1-4) JP 2001-359232 A JP 2003-48495 A

  By the way, the wire harness provided in such a power supply device for a sliding door is longer than the opening / closing operation stroke of the sliding door and has a surplus length in order to allow a bending / extending operation accompanying the opening / closing operation of the sliding door. Therefore, when the housing member and the wire harness vibrate due to vibrations generated from the engine or the vehicle body while the automobile is running, the housing member and the wire harness may collide and generate a hitting sound. Such a hitting sound becomes an irritating sound for the occupant and may cause discomfort.

  The objective of this invention is providing the electric power feeder of a sliding door which can suppress generation | occurrence | production of a hitting sound.

In order to solve the above problems, an invention according to claim 1 includes a wire harness arranged from the vehicle main body side to the slide door side, and a housing member for housing the wire harness. In the power supply apparatus for the slide door in which the wire harness is bent and extended in response to the closing operation and the opening operation, the housing member is in the fully closed state of the slide door, and the housing member is in the fully closed state of the slide door against said housing member by sandwiching the bay exit portion of the wire harness in a direction different from the bay exit portion of the wire harness is pressed against the bending and stretching direction of the wire harness in a bending state Te odor The gist is to have an interference part to be held .

According to a second aspect of the present invention, in the power supply apparatus for the sliding door according to the first aspect, the accommodating member has a pair of substrate portions facing each other, and an elastic member disposed between the substrate portions. The interference portion is provided so as to protrude from at least one of the substrate portions toward the other substrate portion at a position avoiding the elastic member.
According to a third aspect of the present invention, in the power supply apparatus for the sliding door according to the first or second aspect, the housing member has a substrate portion and a curved peripheral wall portion erected from the substrate portion. The gist is that a plurality of the interference portions are provided along the peripheral wall portion.
According to a fourth aspect of the present invention, in the power supply device for the sliding door according to any one of the first to third aspects, the wire harness cushions a shock absorber on a harness side that cushions an impact caused by a collision with the housing member. The gist is that the members are provided around.

The invention according to claim 5 is the power supply device for the slide door according to any one of claims 1 to 4 , wherein the interference portion is provided with a buffer member that cushions an impact at the time of contact of the protruding portion. The gist is that is provided.

The invention according to claim 6 is the power feeding device for the sliding door according to any one of claims 1 to 5 , wherein the protruding portion of the wire harness is engaged with the interference portion having an inclined surface. Is the gist.

The invention according to claim 7 is the power feeding device of the slide door according to any one of claims 1 to 5 , wherein the protruding portion of the wire harness is engaged with the interference portion having a curved surface. The gist.

(Function)
According to the first aspect of the present invention, the wire harness housed in the housing member is bent and extended corresponding to the closing operation and opening operation of the slide door. And, for example, when the slide door is in a fully closed state such as when the vehicle is running, the wire harness in the bent state is pressed against the interference portion so that the wire harness is pressed against the interference member at the position. The resulting gap is eliminated. Accordingly, the wire harness and the housing member that are in contact with each other in a state where pressure is applied cannot collide, and even if they vibrate when the vehicle travels, it is possible to suppress the hitting sound generated due to the collision. .

According to the fourth aspect of the present invention, for example, the harness-side cushioning member is provided around the wire harness at an appropriate position other than the contact position with the interference portion, so that the wire harness at the position is provided. Even if it collides with the housing member, the impact caused by this can be buffered and the sound generated by the collision can be suppressed.

According to the fifth aspect of the present invention, for example, the impact at the time of contact of the protruding portion accompanying the closing operation of the slide door is buffered by the buffer member, thereby suppressing the hitting sound generated at that time. Can do.

According to the sixth aspect of the present invention, the wire harness can be held and fixed more reliably by forming the interference portion that engages with the protruding portion into a shape having an inclined surface.
According to the seventh aspect of the present invention, the wire harness can be held and fixed more reliably by forming the interference portion engaged with the bay portion with a curved surface.

As described above in detail, in the invention according to each claim, it is possible to suppress generation of slapping sound.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, an embodiment of the invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view showing a power supply device for a sliding door according to the present embodiment, and FIG. 2 is a front view of the device in a fully closed state as viewed from the vehicle interior side. 3 and 4 are sectional views taken along lines AA and BB in FIG. 2, respectively.

  As shown in FIG. 1, in this embodiment, power is supplied from the vehicle body (vehicle body) 2 side to various devices (not shown) such as a power window motor, a door lock unit, and a speaker provided inside the slide door 1. The door side wire harness 10 for this and the protector 20 as an accommodating member are provided.

  The slide door 1 is attached to the vehicle body 2 so as to be slidable in the front-rear direction. When the sliding door 1 is opened, the sliding door 1 is once pulled out toward the side of the vehicle body 2 and then slid relative to the vehicle body 2. On the other hand, when the sliding door 1 is closed, the sliding door 1 is slid with respect to the vehicle body 2 and then pushed into the vehicle body 2.

  A hinge roller mounting piece 3 is provided at the lower end of the slide door 1 so as to be slidably engaged with a rail (not shown) provided at the lower portion of the vehicle body 2. Further, an inner panel 4 is provided on the vehicle interior side of the slide door 1.

  The door-side wire harness 10 is routed from the vehicle body 2 side to the slide door 1 side. As shown in FIGS. 3 and 4, the door-side wire harness 10 includes a plurality of electric wires 11 and a corrugated tube 12 through which the electric wires 11 are inserted. Each electric wire 11 is a so-called covered electric wire with insulation coating. The corrugated tube 12 is formed into a substantially bellows-like rectangular tube shape with a synthetic resin such as polypropylene or polyamide (nylon or the like), for example, and collects the electric wires 11 as a covering material (sheath) for protecting them. Is provided. The bellows-like corrugated tube 12 has flexibility so as to allow the door-side wire harness 10 to bend and stretch.

  The door-side wire harness 10 is provided with a connector 13 on one end side 10a and a connector 14 on the other end side 10b. Moreover, this door side wire harness 10 has the bay part 10c which protrudes in a bay shape toward the vehicle upper direction in the intermediate part of the one end side 10a and the other end side 10b.

  The door side wire harness 10 has one end side 10 a electrically connected to the various devices via a connector 13, and the other end side 10 b electrically connected to the connector 6 of the vehicle body side wire harness 5 via a connector 14. It is connected.

  The vehicle body-side wire harness 5 and the connector 6 are disposed inside the wall portion 7 facing the slide door 1 when the slide door 1 is fully closed. And the connector 14 of the other end side 10b of the door side wire harness 10 and the connector 6 of the vehicle body side wire harness 5 are connector-connected inside the wall portion 7. The vehicle body side wire harness 5 is electrically connected to a battery (not shown) directly or indirectly.

  As shown in FIG. 1, the protector 20 accommodates and holds the door-side wire harness 10 so that the door-side wire harness 10 can be bent and stretched, and both ends of the door-side wire harness 10 (one end side 10 a and the other end side 10 b). Are led out from the first harness outlet 20a at the front of the vehicle and the second harness outlet 20b at the rear of the vehicle, respectively.

  The protector 20 includes a protector main body 21 as a box main body that is attached and fixed to the inner panel 4 and a cover 22 that is engaged with the protector main body 21. The protector body 21 and the cover 22 are each molded from a synthetic resin.

  The protector body 21 includes a substantially semicircular disk-shaped substrate portion 23 that is in contact with the inner panel 4, a curved peripheral wall portion 24 erected on the vehicle interior side along the peripheral edge of the substrate portion 23, and the peripheral wall And a substantially U-shaped base wall 25 disposed to face one end of the portion 24. One end side of the protector main body 21 including the peripheral wall portion 24 and the base wall 25 corresponds to the first harness outlet 20a formed when the protector 20 is configured.

  The peripheral wall portion 24 has a shape that accommodates the bay portion 10c of the door-side wire harness 10 that is urged by a plate spring 17 that will be described later, and is formed in a substantially arc shape that faces upward in the present embodiment. The bay portion 10 c of the door-side wire harness 10 moves in the protector 20 so as to be substantially parallel to the inner panel 4 as the door-side wire harness 10 is bent and stretched. The protector main body 21 is formed with an extension 26 that extends to the rear of the vehicle continuously to the other end of the peripheral wall 24.

  Further, attachment flanges 27 and 28 for the inner panel 4 are formed on the outer edges of the peripheral wall portion 24 and the extension portion 26. The protector main body 21 is fastened and fixed to the inner panel 4 with bolts via mounting flanges 27 and 28. A mounting flange 29 is provided in the vicinity of the base wall 25 provided in the protector main body 21, and bolts are fastened to the mounting flange 29 so that the protector main body 21 is firmly fixed to the inner panel 4.

  The cover 22 corresponds to the substrate portion 23 of the protector main body 21 and covers the substrate portion 30 on the cover side, the curved peripheral wall 31 along the peripheral wall portion 24 of the protector main body 21, and the base wall of the protector main body 21. 25 and a short side wall 32 corresponding to 25. One end side including the peripheral wall 31 and the side wall 32 of the cover 22 corresponds to the first harness outlet 20a formed when the protector 20 is configured. Note that the cover 22 is formed with an extension 33 that extends to the rear of the vehicle continuously to the other end of the peripheral wall 31. The extension 33 forms the second harness outlet 20b together with the extension 26 on the protector body 21 side.

  A protruding portion 34 that protrudes outward from the cover 22 is formed on the lower edge portion of the substrate portion 30 that forms the cover 22. Further, a curved surface (not shown) is formed at the base of the protrusion 34. This curved surface functions as a curved surface with which the door-side wire harness 10 (corrugated tube 12) led out from the second harness outlet 20b comes into contact.

  In the protector 20, a leaf spring 17 formed of, for example, a thin plate steel plate and a synthetic resin is provided. One end of the leaf spring 17 is cantilevered by the base wall 25 of the protector body 21, and the other end is in contact with the door-side wire harness 10 (corrugated tube 12). The leaf spring 17 biases the door-side wire harness 10 so as to push it upward.

  In such a configuration, the door-side wire harness 10 that is bent and extended in accordance with the closing operation and the opening operation of the slide door 1 is urged to be pushed up by the leaf spring 17, thereby the protector. Looseness within 20 is suppressed.

  As shown in FIGS. 2 and 3, the protector 20 includes a plurality (four in the present embodiment) of interference units 36. These interference portions 36 are disposed on the vehicle rear side while avoiding the position of the leaf spring 17. Each interference portion 36 includes a first projecting wall portion 37 integrally projecting from the substrate portion 23 in the vicinity of the peripheral wall portion 24 of the protector body 21, and the substrate portion facing the first projecting wall portion 37. 30 and a second projecting wall portion 38 projecting integrally with 30. The first and second projecting wall portions 37 and 38 are provided so as to project in a substantially triangular cross section on the sides facing each other in the vehicle width direction. The first and second projecting wall portions 37 and 38 have the same shape except that they are symmetrical. And the taper 37a, 38a as an inclined surface is each formed in the said 1st and 2nd protrusion wall parts 37, 38 so that it may be gradually reduced in width toward the vehicle lower side. Therefore, the space between the first and second protruding wall portions 37 and 38 is gradually widened toward the vehicle lower side.

  The first and second projecting wall portions 37 and 38 having such a configuration are the first and second protruding portions 10c of the door-side wire harness 10 in the bent state when the slide door 1 is fully closed. The two protruding wall portions 37 and 38 (tapes 37a and 38a) are set and arranged so as to be pressed in a manner of being sandwiched between them. That is, in the fully closed state of the slide door 1, the door-side wire harness 10 is in a position where the bay portion 10c is pressed against the first and second protruding wall portions 37 and 38 (interference portion 36). The gap generated between the protector 20 and the protector 20 is eliminated. The positions at which these gaps are eliminated are arranged corresponding to positions where the door-side wire harness 10 that is not in contact with the leaf spring 17 is likely to vibrate (positions behind the vehicle).

  As shown in FIGS. 2 and 4, the door-side wire harness 10 is provided with a plurality of (three in this embodiment) harness-side buffer members 41 around the door-side wire harness 10. These harness side buffer members 41 are arranged on the vehicle front side in accordance with the position of the leaf spring 17. Each harness-side buffer member 41 is for buffering an impact caused by the collision with the protector 20, and for example, a soft resin such as foamed polystyrene or rubber, a non-woven fabric, a cotton cloth or the like is bonded to the door-side wire harness 10 (corrugated tube 12). ) Is wound around the outer periphery.

  The thickness of the harness-side buffer member 41 in the radial direction is such that a gap C is formed between the substrate portions 23 and 30 so as not to hinder movement (bending and stretching) of the door-side wire harness 10 in the protector 20. Is set. For example, when the door-side wire harness 10 collides with the protector 20 (board portions 23, 30) during vibration of the door-side wire harness 10 or the like, the harness-side buffer member 41 comes into contact with the protector 20. The accompanying impact is buffered. In other words, the harness-side cushioning member 41 cushions the impact at the position of the leaf spring 17 where the placement of the interference portion 36 is difficult (the operating range of the leaf spring 17) to complement the interference portion 36. Yes.

As described above in detail, according to the present embodiment, the following effects can be obtained.
(1) In this embodiment, for example, when the sliding door 1 is fully closed, such as when the vehicle is running, the door-side wire harness 10 in a bent state has its bay portion 10c pressed against the interference portion 36. Thus, the gap generated with the protector 20 at the position is eliminated. Therefore, the door-side wire harness 10 and the protector 20 that are in contact with each other in a state where pressure is applied cannot collide, and even if they vibrate when the vehicle travels on a rough road, the door-side wire harness 10 and the protector 20 are generated. The hitting sound can be suppressed.

  In the opening operation of the sliding door 1, the door-side wire harness 10 (bay portion 10 c) smoothly eliminates interference (contact) with the interference portion 36 in accordance with its extension. Operation is not hindered.

  (2) In the present embodiment, the harness-side buffer member 41 is provided around the door-side wire harness 10 at an appropriate position other than the contact position with the interference portion 36, so that the door-side wire harness at the position. Even if 10 collides with the protector 20, it is possible to buffer the impact accompanying this and to suppress the hitting sound that occurs with the collision. In particular, even when the door-side wire harness 10 and the protector 20 vibrate not only when the vehicle travels but also when the slide door 1 is opened and closed, it is possible to suppress the hitting sound that occurs due to the collision.

  (3) In this embodiment, the said wire harness can be hold | maintained and fixed more reliably by making the said interference part 36 engaged with the said bay part 10c into the shape which has taper 37a, 38a.

In addition, you may change the said embodiment as follows.
-In the said embodiment, you may employ | adopt the interference part 36 which has the shape shown in FIG. That is, the interference portion 36 has a first projecting wall portion 47 projecting from the substrate portion 23 in a substantially semicircular shape, and a substantially semicircular cross section in the substrate portion 30 facing the first projecting wall portion 47. And a second projecting wall 48 projecting from the second projecting wall 48. The first and second projecting wall portions 47 and 48 having such a shape have arcuate shapes 47a and 48a as curved surfaces below the vehicle, so that the width gradually decreases toward the vehicle lower side in accordance with the embodiment. Has been. And between the said 1st and 2nd protrusion wall parts 47 and 48 is gradually widened toward the vehicle downward direction. Even if such a change is made, the same effect as in the above embodiment can be obtained.

  Moreover, you may employ | adopt the interference part 36 which has the shape shown in FIG. That is, the first projecting wall 51 and the second projecting wall 52 constituting the interference unit 36 have tapers 51a and 52a whose inclination is gentler than the tapers 37a and 38a. Even if such a change is made, the same effect as in the above embodiment can be obtained.

  In the embodiment, as shown in FIG. 7, the interference portion 36 may be configured by a protruding wall portion 56 that protrudes from the substrate portion 23 of the protector body 21 in a substantially triangular shape. The protruding wall 56 is formed with a taper 56a so as to be gradually reduced toward the vehicle lower side. Accordingly, the space between the cover 22 (substrate portion 30) and the protruding wall portion 56 (taper 56a) is gradually widened toward the vehicle lower side. In this case, when the sliding door 1 is in a fully closed state, the protruding wall portion 56 is formed so that the protruding portion 10c of the door-side wire harness 10 in the bent state is the cover 22 (substrate portion 30) and the protruding wall portion 56 ( The taper 56a) is pressed in such a manner as to be sandwiched between them. Even if such a change is made, the same effect as in the above embodiment can be obtained. In addition, you may make the shape of the protrusion wall part 56 into a substantially semicircle cross section according to the deformation | transformation form shown in FIG. Further, it goes without saying that the interference portion 36 may be configured by a similar protruding wall portion protruding from the substrate portion 30 of the cover 22 instead of the protruding wall portion 56 of the protector body 21. .

  Alternatively, the interference portion 36 may be configured by a similar protruding wall portion protruding from the substrate portion 30 of the cover 22 in addition to the protruding wall portion 56 of the protector body 21. In this case, in order to prevent interference between the protruding wall portions provided on the protector main body 21 and the cover 22, it is preferable to dispose these protruding wall portions so as not to face each other. Specifically, in FIG. 2, the first and third interference portions 36 a and 36 c in the order from the front to the rear of the vehicle are configured by projecting wall portions (56) provided in the protector body 21. The fourth and fourth interference portions 36 b and 36 d are configured by protruding wall portions provided on the cover 22. That is, the protruding wall portion on the protector body 21 side and the protruding wall portion on the cover 22 side are alternately provided. Even if such a change is made, the same effect as in the above embodiment can be obtained.

  In the embodiment, the harness-side buffer member 41 is formed by winding a tape around the door-side wire harness 10 (corrugated tube 12). For example, a soft resin such as foamed polystyrene or rubber, a nonwoven fabric, a cotton cloth, or the like You may form by winding this sheet | seat around the outer periphery of the door side wire harness 10. FIG. Such a sheet may be wound around a plurality of locations on the outer periphery of the door-side wire harness 10, or may be wound only at one location as long as it has a width that can cover a sufficient range.

  -In the said embodiment, the appropriate buffer member for buffering the impact at the time of contact | abutting of the baying part 10c to the interference part 36 corresponding to the contact part of the said door side wire harness 10 (baying part 10c) May be provided. Specifically, a soft resin such as polystyrene foam or rubber, a tape or a sheet such as a nonwoven fabric or cotton cloth is attached to the surface of the interference portion 36. Alternatively, for example, a soft paint is applied to the surface of the interference portion 36 to form a buffer member. In this case, for example, the impact sound generated when the slide door 1 is closed is buffered by the buffer member so that the hitting sound generated at that time can be suppressed.

  In the embodiment, the number (four) of the interference units 36 is an example. Needless to say, the arrangement of the interference portion 36 may be changed as appropriate according to the specifications of the vehicle (the slide door 1 and the vehicle body 2).

  -In the said embodiment, the number (three pieces) of the harness side buffer members 41 is an example. Needless to say, the arrangement of the harness side buffer member 41 may be changed as appropriate according to the specifications of the vehicle (the slide door 1 and the vehicle body 2).

  In the embodiment, the leaf spring 17 is provided to suppress the looseness of the door-side wire harness 10 in the protector 20, but the door-side wire harness 10 (corrugated tube 12) itself is sufficient to suppress the looseness. If it has a good elasticity, the leaf spring 17 may be omitted.

In the embodiment, the protector main body 21 and the cover 22 may be formed by pressing a metal plate, for example.
-In the said embodiment, the wiring aspect of the door side wire harness 10, etc. are examples, Comprising: For example, the thing according to patent document 1 may be sufficient. That is, a rotation clamp may be provided at an appropriate location on the vehicle body 2 side (for example, a step panel), and the door-side wire harness 10 may be routed from the vehicle body 2 side to the slide door 1 via the rotation clamp.

The disassembled perspective view which shows one Embodiment of this invention. The front view which looked at the same embodiment from the vehicle interior side. Sectional drawing along the AA line of FIG. Sectional drawing along the BB line of FIG. Sectional drawing which shows the deformation | transformation form of this invention. Sectional drawing which shows the deformation | transformation form of this invention. Sectional drawing which shows the deformation | transformation form of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Sliding door, 2 ... Vehicle body as vehicle main body, 10 ... Door side wire harness as wire harness, 10c ... Bay-out part, 20 ... Protector as accommodating member, 21 ... Protector main body, 22 ... Cover, 36, 36a -36d ... Interference part, 37, 47, 51 ... 1st protrusion wall part, 38, 48, 52 ... 2nd protrusion wall part, 41 ... Harness side buffer member, 56 ... Projection wall part.

Claims (7)

A wire harness routed from the vehicle body side to the sliding door side,
A housing member for housing the wire harness,
In the sliding door feeding device in which the wire harness is bent and extended in response to the closing operation and the opening operation of the sliding door,
The housing member, the Gulf of the wire harness in a direction different from the bending and stretching direction of the wire harness by the pressed against the bay exit portion of the wire harness in a bending state Te fully closed smell sliding door A power supply apparatus for a sliding door, comprising an interference portion that holds the protruding portion and holds the protruding portion with respect to the housing member . In the sliding door electric power feeder of Claim 1,
The housing member has a pair of substrate portions facing each other,
An elastic member disposed between the substrate portions;
The power supply apparatus for a sliding door, wherein the interference portion is provided so as to protrude from at least one of the substrate portions toward the other substrate portion at a position avoiding the elastic member. In the electric power feeder of the sliding door of Claim 1 or 2,
The housing member has a substrate portion and a curved peripheral wall portion erected from the substrate portion,
A plurality of the interference parts are provided along the peripheral wall part. In the electric power feeder of the sliding door of any one of Claims 1-3,
A power supply apparatus for a sliding door, wherein the wire harness is provided with a harness-side cushioning member that cushions an impact caused by a collision with the housing member. In the electric power feeder of the sliding door of any one of Claims 1-4 ,
A power supply device for a sliding door, wherein the interference portion is provided with a buffer member for buffering an impact at the time of contact of the protruding portion. In the electric power feeder of the sliding door of any one of Claims 1-5 ,
A feeding device for a sliding door, wherein a protruding portion of the wire harness is engaged with the interference portion having an inclined surface. In the electric power feeder of the sliding door of any one of Claims 1-5 ,
A feeding device for a sliding door, wherein a protruding portion of the wire harness is engaged with the interference portion having a curved surface.

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