JP2009077488A - Feeding structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make compact and to simplify a structure for feeding electric power to a moving body which is driven to be elevated and lowered. <P>SOLUTION: The structure for feeding electric power to a window glass 2 which is driven to be elevated and lowered comprises a main arm 12 having the distal end connected with the window glass 2 movably in a direction intersecting the elevating/lowering direction of the window glass 2, and the proximal end being driven rotationally to rock thus driving the window glass 2 to be elevated and lowered. Routing of a wire 21 is carried out along the main arm 12 and one end of the wire 21 extended from the distal end of the main arm 12 is connected with the window glass 2 thus supplying electric power to the window glass 2. Routing of the wire 21 is carried out such that the wire 21 bends between an extending portion 21c at the distal of the main arm 12 and the joint 21d of the window glass 2, and the wire 21 can perform flexure deformation between a bending portion 21e, the extending portion 21c and the joint 21d, respectively. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a power feeding structure that feeds power to a moving body that is driven up and down, such as a windshield of a vehicle.

  In a window glass of a vehicle such as an automobile, for example, power is supplied to the window glass provided with a heating wire for preventing condensation. As a power supply structure for supplying power to the window glass when a heating wire is laid on the window glass that is driven up and down, the structure shown in FIG. 8 is conventionally known.

  In the power supply structure shown in FIG. 8, the movable body side connector 105 provided on the window glass 102 disposed in the internal space of the door 101 and driven to be lifted and the door side connector 106 provided on the door 101 are connected by a power supply line. The window glass 102 is supplied with power. As the window glass 102 moves up and down, the power supply line is slackened. If there is a lot of slackness, however, if this can move without any restriction, there is a risk that the window glass 102 will be bitten by the lifting mechanism, causing trouble. The slack generated in the power supply line is restricted by the surplus length absorber 103 disposed in the internal space of the door 101.

The surplus length absorbing device 103 is configured by folding a power supply line in a U shape along the ascending / descending direction of the window glass 102 and accommodating it in a case 111. One end side (indicated by reference numeral 104 in the figure) of the power supply line is held by a sliding member 112 engaged with the case 111 so as to be movable in the up-and-down direction of the window glass 102 and outside the case 111 Derived and connected to the mobile unit side connector 105. The sliding member 112 moves up and down with the deformation of the power supply line folded in a U shape in the case 111, and the power supply line 104 follows up and down of the window glass 102. As the sliding member 112 moves up and down, the power supply line in the case 111 is slackened, but its movement is restricted in the case 111, and the window glass 102 is prevented from biting into the lifting mechanism (Patent Document 1). reference).
JP 2005-57828 A

  In the power supply structure disclosed in Patent Document 1, the power supply line is folded in a U shape along the vertical direction of the window glass 102 and accommodated in the case 111 in order to cope with the vertical movement of the window glass 102. In this case, an extra length of at least half of the stroke of the window glass 102 is required for the power supply line, and there is relatively much slack in the power supply line as the window glass 102 is raised and lowered. Therefore, the case 111 that accommodates the power supply line is necessary, and the case 111 is large. It is difficult to secure a storage space for the case 111 in the internal space of the door 101 in which the window glass 102 and its lifting mechanism are stored.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a power feeding structure that is reduced in size and simplified in a power feeding structure that feeds power to a movable body that is driven up and down. To do.

The above object of the present invention is achieved by a power feeding structure having the following configuration.
(1) A power feeding structure for feeding power to a movable body that is driven up and down,
The distal end is connected to the movable body so as to be movable in a direction crossing the ascending / descending direction of the movable body, and the base end is pivotally driven to swing, thereby including an arm for driving the movable body up and down,
An electric wire is routed along the arm, and one end of the electric wire extended from the tip of the arm is connected to the moving body to supply power to the moving body,
The electric wire is bent between the extension point at the tip of the arm to the connection point in the moving body, and is arranged so as to be able to bend and deform between the bent point and the extension point and each of the connection points. A feed structure characterized by that.
(2) The electric wire is protected by an exterior material between the extension point at the tip of the arm and the connection point in the movable body,
The power supply structure according to (1), wherein the exterior material is divided into two at a bent portion of the electric wire.
(3) The power feeding structure according to (1) or (2), wherein the connection portion of the electric wire in the moving body is arranged at a position overlapping with a midpoint of a stroke at the tip of the arm.
(4) The feeding structure according to any one of (1) to (3), wherein an extension portion of the electric wire at a tip of the arm is always disposed below the moving body.

In the power feeding structure according to the present invention, an electric wire is routed along an arm that drives the moving body up and down, and most of the electric wire that follows the moving up and down of the moving body can be regulated by the arm. And between the front-end | tip of the arm used as a movable part, and a mobile body, an electric wire is wired so that bending deformation is possible, and is made to follow the raising / lowering of a mobile body by it. The wire routed from the extension point at the tip of the arm to the connection point at the moving body may loosen as the moving body moves up and down, but the stroke at the tip of the arm is the same as the stroke of the moving body. Compared to this, the extra length required for the electric wire routed there is small, and the slack generated there can be reduced. Therefore, a member for regulating the movement of the electric wire such as a case for accommodating the electric wire is not required separately, and the power feeding structure can be reduced in size and simplified.
In addition, the wire is bent and routed from the extension point at the tip of the arm to the connection point on the moving body, and from the bending point to the connection point side from the bent part to the connection point side. Since the part of the continuous electric wire takes a rotational movement around the bent part, the bending reliability of the electric wire is improved. Further, it is possible to reduce the size by suppressing the bulging in the direction perpendicular to the moving direction of the moving body and the moving direction of the tip of the arm.

  Hereinafter, preferred embodiments of a power feeding structure according to the present invention will be described in detail with reference to the drawings.

  1 is a sectional view of an automobile door to which a power feeding structure according to the present invention is applied, FIG. 2 is a front view showing a window glass raising / lowering mechanism of the door of FIG. 1, and FIG. 3 is a detailed front view of the raising / lowering mechanism of FIG. FIG. 4 is a plan view of the lifting mechanism shown in FIG. 3, and FIGS. 5A to 5C are views showing the power feeding shown in FIG. FIGS. 6A to 6C are front views showing enlarged main parts of FIGS. 5A to 5C, and FIGS. 7A to 7C are diagrams. It is a bottom view which shows operation | movement of the electric power feeding structure in the process of 6 (A)-(B).

  As shown in FIGS. 1 and 2, the power supply structure of the present embodiment is provided on a door of an automobile, and supplies power to a window glass that is disposed on the door and is driven up and down. Below, the raising / lowering mechanism of a window glass is demonstrated.

  The door panel 1 is formed by joining an outer panel 3 and an inner panel 4 that are press-molded into a desired shape to form a desired space therein.

  The window glass 2 is interposed between the outer panel 3 and the inner panel 4 and is driven up and down in a substantially vertical direction by a lifting mechanism described later, whereby the door panel is opened from the gap between the outer panel 3 and the inner panel 4 corresponding to the upper edge of the door panel 1. Appears outside 1 and immerses in the interior space of the door panel 1.

  Between the window glass 2 and the outer panel 3, a pair of glass guides 5, 5 extending in a substantially vertical direction are provided with a predetermined distance in the front-rear direction. The window glass 2 is guided to move substantially vertically by engaging the lower end edge thereof with a pair of glass guides 5 and 5.

  A wind regulator (elevating mechanism) 6 that drives the window glass 2 to move up and down is disposed in the internal space of the door panel 1.

  3 and 4, the window regulator 6 is a so-called X-arm type window regulator, which includes a base plate 11 fixed to the door panel 1, a main arm 12 supported by the base plate 11, A pair of auxiliary arms 15 and 16 supported by the main arm 12 are provided.

  The main arm 12 is rotatably supported by the base plate 11 via a rotation shaft 13 provided at the base end thereof. The front end of the main arm 12 is connected to a rail 14 that is fixed to the lower edge of the window glass 2 and extends substantially in the front-rear direction via a roller, and the front end of the main arm 12 extends in the front-rear direction along the rail 14. Can be moved to.

  One auxiliary arm 15 is on the front surface side of the main arm 12, and the other auxiliary arm 16 is on the back surface side of the main arm 12, and is arranged to extend in a straight line and intersect the main arm 12 in a substantially X shape. ing. The pair of auxiliary arms 15 and 16 are supported at substantially the center in the longitudinal direction of the main arm 12 so that their base ends can rotate freely so as to rotate coaxially and integrally.

  The tip of the auxiliary arm 15 is connected to a rail 14 that is fixed to the lower edge of the window glass 2 and extends substantially in the front-rear direction, like a tip of the main arm 12, via a roller. It can move in the front-rear direction. The tip of the auxiliary arm 16 is connected to a rail 17 fixed to the door panel 1 and extending in the front-rear direction in parallel with the rail 14 via a roller, and is movable in the front-rear direction along the rail 17.

  A drive mechanism 18 is provided on the base plate 11. The drive mechanism 18 includes a drive source (not shown) such as a motor and a manual handle, and a pinion gear 18a that rotates by the operation of the drive source. A sector gear 19 is fixed to the base end of the main arm 12 so as to rotate integrally. The sector gear 19 meshes with a pinion gear 18 a of the drive mechanism 18.

  In the above configuration, when the drive source of the drive mechanism 18 operates, the main arm 12 is rotationally driven by the meshing of the pinion gear 18a and the sector gear 19 of the drive mechanism 18 and swings. As the main arm 12 swings, the tip of the main arm 12 moves back and forth along the rail 14 and moves the rail 14 up and down. Thereby, the window glass 2 moves up and down.

  The pair of auxiliary arms 15 and 16 is sandwiched between a rail 14 that moves up and down and a rail 17 that is fixed to the door panel 1, and the front and rear ends of the auxiliary arms 15 and 16 along the rails 14 and 17 as the rail 14 moves up and down. It is rotated integrally while being moved, and the posture of the rail 14 is maintained. Thereby, the window glass 2 moves up and down stably.

  An electric wire 21 for supplying power to the windshield 2 that is driven up and down is introduced from the vehicle body into the interior space of the door panel 1, routed along the main arm 12, and connected to the windshield 2. Specifically, the electric wire 21 is fixed to the base plate 11 at a predetermined location 21 a, passes through the periphery of the rotation shaft 13 of the main arm 12, and avoids the rotation shaft of the auxiliary arm 16 on the back surface or side surface of the main arm 12. Accordingly, it reaches the tip of the main arm 12, extends from the tip of the main arm 12, and is connected to the lower edge of the window glass 2.

  The electric wire 21 is routed so as to be able to bend and deform around the rotating shaft 13 of the main arm 12 and between the extended portion 21 c at the tip of the main arm 12 and the connecting portion 21 d in the wind glass 2. Except for these parts, it is fixed to the back surface or the side surface of the main arm 12 in the whole area or a plurality of places along the main arm 12. The fixing means is not particularly limited, and for example, an adhesive tape or a clip can be used.

  A holding member 27 is attached to the tip of the main arm 12. The holding member 27 holds the electric wire 21 and extends the electric wire 21 from the tip of the main arm 12 at an appropriate vertical position. Moreover, the electric wire 21 may be directly fixed to the lower edge part of the window glass 2 in the connection location 21d, or may be fixed to a member attached to the window glass 2 such as the rail 14.

  Next, the operation of the power feeding structure of the present embodiment will be described with reference to FIGS. 5A shows the state of the window regulator 6 when the window glass 2 is closed, and FIG. 5B shows the state of the window regulator 6 when the window glass 2 is half-opened. (C) shows the state of the window regulator 6 when the window glass 2 is fully opened.

  From the state of the window regulator 6 shown in FIG. 5A, the main arm 12 is pivotally driven at the base end thereof and swings in the arrow A direction. As the main arm 12 swings in the direction of arrow A, the tip of the main arm 12 reciprocates along the rail 14 in the directions of arrows B and C as shown in FIGS. Move 14 down. Thereby, the window glass 2 is lowered and opened.

  The end of the electric wire 21 extending from the tip of the main arm 12 and connected to the window glass 2 is bent and deformed to follow the reciprocation of the tip of the main arm 12 in the directions of arrows B and C. The surplus length is set, and the wire 21 becomes slack so that the extension portion 21c from the tip of the main arm 12 and the connection portion 21d of the rail 14 approach each other. However, the stroke of the front end of the main arm 12 in the front-rear direction is smaller than the stroke of the rail 14 in the up-down direction (stroke of the windshield 2), so that the extra length required for the end of the electric wire 21 can be shortened. The slack that occurs at the end can be reduced.

  The connecting portion 21d has a distance L (FIG. 4) from the extending portion 21c in a direction (vehicle width direction) orthogonal to the ascending / descending direction (vertical direction) of the window glass 2 and the moving direction (front / rear direction) of the tip of the main arm 12. )). Therefore, the part of the electric wire 21 connected to the connection part 21d and the part of the electric wire 21 connected to the extension part 21c do not interfere with each other, and the connection part 21d and the extension part 21c are arranged close to each other. Can do. In particular, in the present embodiment, the connection location 21d is disposed at a position overlapping the midpoint of the stroke at the tip of the main arm 12. And between the extension part 21c and the connection part 21d arranged in this way, the electric wire 21 is bent and bent in a V shape along the ascending / descending direction of the window glass 2, and is routed.

  As shown in FIGS. 5 (A) to (C) and FIGS. 6 (A) to (C), with the movement of the tip of the main arm 12, the forward part and the bent part 21e from the extended part 21c to the bent part 21e. To the connecting portion 21d passes through a midpoint between the strokes D to E at the tip of the main arm 12 and is different on a plane perpendicular to the moving direction of the tip of the main arm 12. At this time, as shown in FIGS. 7A to 7C, a bent portion 21e includes a portion of the electric wire that extends from the bent portion 21e to the extended portion 21c side and a portion of the electric wire that extends from the bent portion 21e to the connected portion 21d. The movement of the axis rotation (in the direction of arrow F in the figure and the opposite direction) is taken. Thus, the bending reliability of the electric wire 21 improves because the electric wire 21 moves.

  Further, as described above, the connecting portion 21d is set at a position overlapping the midpoint between the strokes D to E of the tip of the main arm 12, so that the extra length necessary for the end of the electric wire 21 is set to the tip of the main arm 12. Of the stroke of the wire 21, thereby reducing slack at the end of the electric wire 21.

  In the present embodiment, a tubular exterior material 28 that can be bent and deformed is attached to the electric wire 21 between the extension portion 21c and the connection portion 21d. The exterior material 28 is divided into two at the bent portion 21e, and water that has entered the exterior material 28 can be drained. In the case where the electric wire 21 is bent and folded between the extension portion 21c and the connection portion 21d, usually, a drain hole is not provided in the exterior material so that bending is not concentrated locally. The exterior material is a continuous member.

  Furthermore, in this embodiment, the extension part 21c is offset further downward from the side surface facing the lower end of the main arm 12 by the holding member 27 attached to the front end of the main arm 12 and holding the electric wire 21. As shown in FIGS. 6A to 6C, the extended portion 21 c is always disposed below the window glass 2 regardless of the elevation of the window glass 2.

  In this way, the extending portion 21c is always disposed below the window glass 2, so that the electric wire 21 extending from the tip of the main arm 12 is routed in the area directly below the window glass 2, thereby Further, the degree of freedom in handling the electric wire 21 in the direction (vehicle width direction) perpendicular to the moving direction (vertical direction) of the window glass 2 and the moving direction (front-rear direction) of the tip of the main arm 12 is improved.

  In addition, a predetermined extra length is set in the portion of the electric wire 21 routed around the rotation shaft 13 of the main arm 12 in order to follow the swing of the main arm 12 in the direction of arrow A by bending deformation. As the fixed location 21a of the electric wire 21 on the base plate 11 and the fixed location 21b of the main arm 12 approach each other, the electric wire 21 becomes slack. However, since the fixed portion 21b of the main arm 12 of the electric wire 21 is close to the rotating shaft 13, the stroke is relatively small. Therefore, the electric wire 21 routed around the rotating shaft 13 of the main arm 12 is provided. The extra length required for this part can also be shortened, and the slack produced in this part can be reduced.

  In particular, in the power feeding structure of the present embodiment, as shown in FIGS. 5A to 5C, the electric wire 21 is routed around the rotating shaft 13 of the main arm 12. In such a configuration, as the main arm 12 swings in the direction of arrow A, the distance along the wiring path of the electric wire 21 between the fixed location 21a of the base plate 11 of the electric wire 21 and the fixed location 21b of the main arm 12 decreases. The wire 21 that circulates around the rotation shaft 13 of the main arm 12 is slightly slackened, but the electric wire 21 expands in a direction in which the radius of curvature that circulates around the rotation shaft 13 increases due to its elasticity. Loosen the winding.

  Thus, by arranging the electric wire 21 around the rotating shaft 13 of the main arm 12, the deformation of the electric wire 21 can be specified in advance so as to loosen or tighten the winding around the rotating shaft 13, More completeness can be expected to prevent the electric wire 21 from getting into the window regulator 6.

  The pair of auxiliary arms 15 and 16 are sandwiched between the rail 14 that descends and the rail 17 that is fixed to the door panel 1, and the front ends of the auxiliary arms 15 and 16 along the rails 14 and 17 as the rail 14 descends. Rotate integrally while moving to. In the process, the auxiliary arm 16 passes over the back surface of the main arm 12, but the electric wire 21 is attached to the side surface of the main arm 12, and interference with the auxiliary arm 16 is avoided. Therefore, the gap between the main arm 12 and the auxiliary arm 16 can be reduced.

As described above, according to the power feeding structure of the present embodiment, the electric wire 21 is routed along the main arm 12 that drives the window glass 2 to move up and down, and the electric wire 21 that follows the window glass 2 is moved up and down. Most can be regulated by the main arm 12. And between the front-end | tip of the main arm 12 used as a movable part, and the window glass 2, the electric wire 21 is wired so that bending deformation is possible, and is made to follow the raising / lowering of the window glass 2 by it. Although the electric wire 21 routed from the extension portion 21c at the tip of the main arm 12 to the connection portion 21d of the wind glass 2 may be loosened as the window glass 2 is raised or lowered, the tip of the main arm 12 The stroke of is smaller than the stroke of the window glass 2, and the extra length required for the electric wire 21 routed there is less, and the slack generated there can be made slight. Therefore, a member for regulating the movement of the electric wire such as a case for accommodating the electric wire is not required separately, and the power feeding structure can be reduced in size and simplified.
The connecting portion 21d is arranged at a distance from the extending portion 21c in a direction orthogonal to the moving direction of the wind glass 2 and the moving direction of the tip of the main arm 12, and the electric wire 21 connected to the connecting portion 21d. And the part of the electric wire 21 connected to the extending part 21c do not interfere with each other. Thereby, it can arrange | position so that the connection location 21d and the extension location 21c may overlap, reduce the extra length required for the electric wire 21 routed there, and make the slack which arises there small. be able to.
Furthermore, the electric wire 21 is bent and routed between the extended portion 21c at the tip of the main arm 12 and the connecting portion 21d in the wind glass 2, and the electric wire 21 connected to the extended portion 21c side from the bent portion 21e is routed. Since the part and the part of the electric wire 21 connected to the connecting part 21d side from the bent part 21e take the motion of axial rotation around the bent part 21e, the bending reliability of the electric wire 21 is improved. Further, it is possible to reduce the size by suppressing the bulge in the direction perpendicular to the moving direction of the window glass 2 and the moving direction of the tip of the main arm 12.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the shape, size, numerical value, form, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  For example, in the above-described embodiment, the application example of the X-arm type window regulator 6 including the main arm 12 and the pair of auxiliary arms 15 and 16 has been described. The same can be applied.

It is sectional drawing of the door of the motor vehicle which applied the electric power feeding structure which concerns on this invention. It is a front view which shows the raising / lowering mechanism of the window glass of the door of FIG. It is a detailed front view of the raising / lowering mechanism of FIG. 2, Comprising: It is a front view which shows one Embodiment of the electric power feeding structure of this invention. It is a top view of the raising / lowering mechanism of FIG. It is a front view which shows operation | movement of the electric power feeding structure of FIG. 3 accompanying the raising / lowering of a window glass. It is a front view which expands and shows the principal part of FIG. It is a bottom view which shows operation | movement of the electric power feeding structure in the process of FIG. 6 (A)-(B). It is sectional drawing of the door of the motor vehicle which shows the conventional electric power feeding structure.

Explanation of symbols

1 Door panel 2 Window glass (moving body)
6 Window regulator 11 Base plate 12 Main arm (arm)
13 Rotating shaft of main arm 14 Rail 15 Auxiliary arm 16 Auxiliary arm 17 Rail 18 Drive mechanism 28 Exterior material

Claims (4)

A power feeding structure for feeding power to a movable body that is driven up and down,
The distal end is connected to the movable body so as to be movable in a direction crossing the ascending / descending direction of the movable body, and the base end is pivotally driven to swing, thereby including an arm for driving the movable body up and down,
An electric wire is routed along the arm, and one end of the electric wire extended from the tip of the arm is connected to the moving body to supply power to the moving body,
The electric wire is bent between the extension point at the tip of the arm to the connection point in the moving body, and is arranged so as to be able to bend and deform between the bent point and the extension point and each of the connection points. A feed structure characterized by that. The electric wire is protected by an exterior material between the extension point at the tip of the arm and the connection point in the movable body,
The power feeding structure according to claim 1, wherein the exterior material is divided into two at the bent portion of the electric wire.   3. The power feeding structure according to claim 1, wherein a connection point of the electric wire in the movable body is arranged at a position overlapping a midpoint of a stroke at a tip of the arm.   The power feeding structure according to any one of claims 1 to 3, wherein an extension portion of the electric wire at a tip of the arm is always disposed below the moving body.

Images