JP2018040249A - Wire type window regulator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a wire type window regulator capable of fixing a guide rail and a wire guide member on a door panel of a vehicle.SOLUTION: A wire type window regulator fixed on a door panel of a vehicle includes: a guide rail for liftably guiding a slider base on which window glass is fixed; a wire drive mechanism for lifting/lowering the slider base along the guide rail via a drive wire; and a wire guide member provided on at least one of an upper end and lower end of the guide rail, the wire guide member having the drive wire therearound to change a routing direction of the drive wire. The wire guide member includes an insertion part into which the one end of the guide rail is inserted; the insertion part includes a plurality of ribs extending in the insertion direction of the guide rail, the ribs being in linear contact with the inserted guide rail.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a wire type window regulator.

  The wire type window regulator includes a guide rail extending in the longitudinal direction, a slider base supported by the guide rail so as to be movable up and down, and supported by a window glass, and a drive wire for driving the slider base up and down along the guide rail And a drive mechanism for driving the drive wire. Upper and lower wire guide members are provided near the upper and lower ends of the guide rail.

  In such a conventional wire type window regulator, when the slider base (glass) moves up and down, a force for deforming (bowing deformation) is applied to the upper and lower ends of the guide rail via the wire guide member. This bow deformation force becomes maximum at the elevating end of the glass. For this reason, conventionally, upper and lower wire guide members have been fixed to a door panel (inner panel) of a vehicle (Patent Document 1).

JP 2012-233327 A

  However, in Patent Document 1, the guide rail is not fixed to the door panel of the vehicle, but is only fitted to the upper and lower wire guide members fixed to the door panel of the vehicle. Therefore, since the force applied to the guide rail when the glass is raised and lowered is supported only by the wire guide member, the wire guide member may be deformed.

  An object of the present invention is to obtain a wire type window regulator capable of fixing a guide rail and a wire guide member to a door panel of a vehicle.

  A wire-type window regulator according to the present invention is a wire-type window regulator that is fixed to a door panel of a vehicle. A wire drive mechanism that moves up and down along the guide rail, and a wire guide provided on at least one of the upper end portion and the lower end portion of the guide rail and wound around the drive wire to change the wiring direction of the drive wire The wire guide member has an insertion portion into which one end portion of the guide rail is inserted, and the insertion portion extends in the insertion direction of the guide rail. It has a plurality of ribs in linear contact with the rail.

  The wire guide member supports a fixing member, the fixing member is inserted through the guide rail, and the fixing member can fix the guide rail and the wire guide member to the door panel of the vehicle.

  The guide rail, the vehicle door panel, and the fixing member are metal, and the fixing member is supported by the wire guide member and abuts on one end of the guide rail, and the guide rail and the vehicle door panel Can abut.

  The guide rail can be in contact with the front and back surfaces of the guide rail sandwiched between the vehicle door panel and the fixing member.

  The guide rail includes a pair of vertical wall portions that are spaced apart in the vehicle longitudinal direction and extend in the vehicle width direction, the wire guide member includes a support portion that supports the fixing member, and the support portion includes: It can contact | abut to a pair of said vertical wall part of a guide rail.

  The wire guide member may include an elastic locking member that prevents the fixing member supported by the wire guide member from coming off.

  According to the wire type window regulator of the present invention, the guide rail and the wire guide member can be fixed to the door panel of the vehicle. According to the wire type window regulator of the present invention, the wire guide member has an insertion portion into which one end portion of the guide rail is inserted, and the insertion portion is inserted so as to extend in the insertion direction of the guide rail. And a plurality of ribs in linear contact with the guide rail. As a result, the plurality of ribs can elastically hold one end of the guide rail inserted into the insertion portion (for example, elastically pinch and hold from the front and back surfaces).

It is the front view seen from the vehicle outside of the wire type window regulator by this embodiment. It is the rear view seen from the vehicle inner side. FIG. 2 is a perspective view of a lower end portion of a guide rail of the wire type window regulator of FIG. 1 and a lower wire guide member alone attached to the guide rail. It is the front view which looked at the lower wire guide member of the guide rail lower end part from the vehicle inside. It is sectional drawing which follows the VV line of FIG. It is sectional drawing which follows the VI-VI line of FIG.

  Hereinafter, an embodiment of the wire type window regulator 10 of the present invention will be described. As shown in FIG. 1, the wire type window regulator 10 has a guide rail 20 which is a long member. The guide rail 20 is attached to the inside of a vehicle door panel (not shown) via a bracket 20A (only one is shown) provided at different positions in the longitudinal direction. The guide rail 20 is disposed in a state where the guide rail 20 is attached to the door panel of the vehicle and the longitudinal direction thereof is substantially directed to the height direction of the vehicle. The guide rail 20, the bracket 20A, and the vehicle door panel are made of a metal material.

  The wire type window regulator 10 has a slider base (glass carrier) 30 that is supported by a guide rail 20 so as to be movable up and down and on which a window glass (not shown) is supported. Wire ends W1E and W2E at one ends of the pair of drive wires W1 and W2 are connected to the slider base 30.

  A pulley bracket 40 is fixed near the upper end of the guide rail 20 in the longitudinal direction as a wire guide member for changing the wiring direction of the drive wire W1. A guide pulley 42 is provided on the pulley bracket 40 via a pulley support shaft 44. It is rotatably supported. The drive wire W <b> 1 extends upward from the slider base 30 along the guide rail 20 and is supported by a wire guide groove formed on the outer peripheral surface of the guide pulley 42. The guide pulley 42 rotates about the pulley support shaft 44 as the drive wire W1 advances and retreats.

  A wire guide member 50 is provided in the vicinity of the lower end of the guide rail 20 in the longitudinal direction. The drive wire W2 extends from the slider base 30 along the guide rail 20 in the downward direction of the guide rail 20, and is guided by the wire guide member 50 that changes the routing direction of the drive wire W2. The wire guide member 50 is fixed to the guide rail 20, and the drive wire W <b> 2 is supported so as to be able to advance and retract along a wire guide groove 54 formed in the wire guide member 50.

  The drive wire W1 coming out of the guide pulley 42 is inserted into the tubular outer tube W1T and wound around a drive drum 70 provided in the drum housing 60 to which the outer tube W1T is connected. The drive wire W2 coming out of the wire guide member 50 is inserted into the tubular outer tube W2T and wound around a drive drum 70 provided in the drum housing 60 to which the outer tube W2T is connected.

  A motor unit 80 is attached to the drum housing 60. The motor unit 80 includes a drive motor that rotates the drive drum 70 and a gear box (not shown).

  One end of the outer tube W1T is connected to the pulley bracket 40, and the other end is connected to the drum housing 60, and the drive wire W1 can be advanced and retracted in the outer tube W1T having both end positions determined in this way. One end of the outer tube W2T is connected to the wire guide member 50, and the other end is connected to the drum housing 60. The drive wire W2 can be advanced and retracted in the outer tube W2T in which both end positions are determined in this way.

  The drum housing 60 is fixed to a door panel (not shown) of the vehicle. When the driving drum 70 rotates forward and backward by the driving force of the motor in the motor unit 80, one of the driving wire W1 and the driving wire W2 increases the winding amount around the driving drum 70, and the other is fed out from the driving drum 70. Thus, the slider base 30 moves along the guide rail 20 by the relationship between pulling and relaxation of the drive wire W1 and the drive wire W2. As the slider base 30 moves, the window glass (not shown) moves up and down.

  Details of the guide rail 20 and the wire guide member 50 in the wire type window regulator 10 having the above basic configuration will be described with reference to FIG. As shown in FIGS. 3 and 6, the guide rail 20 has a hat-shaped cross section, and connects the vehicle longitudinal direction rail portions 21 and 22 on the vehicle inner side and the vehicle outer side, and the vehicle longitudinal direction rail portions 21 and 22. The front-rear position restricting rail part (vertical wall part) 23 and a hook-like rail part 24 extending outward from the end of the vehicle front-rear direction rail part 22 opposite to the front-rear position restricting rail part 23 are provided. The hook-shaped rail portion 24 has an inclined portion (longitudinal wall portion) 24a that is inclined with respect to both the vehicle front-rear direction and the vehicle width direction, and increases the distance from the front-rear position restriction rail portion 23 as the distance from the vehicle front-rear direction rail portion 22 increases. The front-rear direction rail part 24b which is parallel to the vehicle front-rear direction rail part 21 is provided.

  In the guide rail 20, a slit 25 is formed at the lower end portion of the vehicle longitudinal direction rail portion 22 so that the lower end portion is opened and extends upward. The upper end portion of the slit 25 constitutes a semicircular portion 25a.

  The wire guide member 50 is made of a molded product of a synthetic resin material, and includes an insertion portion (groove) 51 into which the above guide rail 20 is inserted, a support portion 52 of a metal bolt (fixing member) 90, and an outer tube W2T. A tube insertion cylinder 53 for inserting the tip, a wire guide groove 54 extending in a front arc shape on the same plane as the surface including the axis of the tube insertion cylinder 53 (outer tube W2T), and a lower end of the slider base 30 A restriction portion (surface) 55 to be regulated and a detachment prevention claw 56 that temporarily holds the drive wire W2 before the drive wire W2 is fitted (engaged) in the wire guide groove 54 are provided. The tube insertion cylinder portion 53 is formed with a slit 53a for inserting the drive wire W2.

  The insertion part 51 inserts the hook-shaped rail part 24 of the guide rail 20, and includes an inclined part 51a having an inclination corresponding to the inclination of the inclined part 24a and a front-rear direction part 51b corresponding to the front-rear direction rail part 24b. A plurality of contact ribs (ribs) 51c that linearly contact the inserted guide rail 20 are formed on the inner surface of the guide rail 20 so as to extend in the vertical direction (insertion direction of the guide rail 20). The plurality of contact ribs 51c elastically pinch and hold the hook-shaped rail portion 24 (inclined portion 24a, front-rear direction rail portion 24b) of the guide rail 20 inserted into the insertion portion 51 from the front and back surfaces.

  The support portion 52 includes a bottomed groove 52b in which a lower end portion and a surface of the guide rail 20 on the vehicle longitudinal direction rail portion 22 side are opened, and an upper end portion is closed by a closing portion 52a (FIG. 5). That is, as shown in FIG. 6, the bottomed groove 52b has a vehicle front-rear direction wall 52b1 facing (parallel to) the vehicle front-rear direction rail part 22 of the guide rail 20 inserted into the insertion part 51, and the vehicle front-rear direction. A vehicle width direction wall 52b2 extending inward of the vehicle from both front and rear ends of the wall 52b1. And between the front-end | tip parts (end part on the opposite side of the vehicle front-back direction wall 52b1) of this pair of vehicle width direction wall 52b2 is open | released, In this open part, the guide rail 20 inserted in the insertion part 51 is opened. The vehicle longitudinal direction rail part 22 is located. The vehicle inner end surface of the vehicle width direction wall 52b2 is in contact with the vehicle front-rear direction rail portion 22, and the vehicle inner surface of the vehicle front-rear direction rail portion 22 is exposed. Further, among the pair of vehicle width direction walls 52b2, the vehicle width direction wall 52b2 located on the side of the front / rear position restriction rail portion 23 of the guide rail 20 extends in the vertical direction and is a reinforcing rib that contacts the front / rear position restriction rail portion 23. 52e is formed.

  As shown in FIGS. 4 and 5, the vehicle front-rear direction wall 52b1 is formed with a retaining elastic arm 52c by a pair of slits 52b3 whose lower ends are opened. A retaining collar portion 52c1 (FIG. 5) is formed to protrude inward of the bottomed groove 52b. Further, the support portion 52 is provided with a reinforcing rib 52d (FIGS. 3, 4, and 5) that projects below the retaining elastic arm 52c and connects the vehicle front-rear direction wall 52b1 and the inclined portion 51a. Yes.

  The metal bolt 90 has a fastening head 91 and a male screw portion 92. The fastening head 91 has a square (rectangular) shape in plan view, and a male threaded portion 92 projects from the center of one side surface. A distance D (FIG. 6) between the pair of vehicle width direction walls 52b2 of the support portion 52 corresponds to the front-rear direction width d (FIGS. 3 and 6) of the fastening head 91 of the metal bolt 90, and the blocking portion 52a. The distance H (FIG. 5) between the inner surface 52a1 (FIG. 5) and the retaining collar 52c1 of the retaining elastic arm 52c corresponds to the vertical width h (FIGS. 3 and 5) of the fastening head 91.

  The fastening head 91 of the metal bolt 90 is inserted into the bottomed groove 52b from below in a state where the guide rail 20 is inserted into the insertion portion 51 of the wire guide member 50. At the time of this insertion, the male screw portion 92 of the metal bolt 90 is fitted into the slit 25 at the lower end portion of the guide rail 20, and the fastening head 91 is fitted into the bottomed groove 52b while bending the retaining elastic arm 52c. In the completed state, the retaining collar 52c1 engages with the lower end of the fastening head 91 to prevent the metal bolt 90 from falling off. At this time, the male screw portion 92 extends along the semicircular portion 25 a of the slit 25. In this state where the fastening head 91 of the metal bolt 90 is inserted into the bottomed groove 52 b, the vehicle inner surface of the fastening head 91 is the vehicle longitudinal rail of the guide rail 20 inserted into the insertion portion 51. It contacts the surface of the portion 22 outside the vehicle (FIGS. 5 and 6). A chamfer 91a is provided at the edge of the inner surface of the fastening head 91, and ribs 52ar and 52br located in the chamfer 91a are formed in the closing portion 52a and the bottomed groove 52b. ing. The chamfer 91a and the ribs 52ar and 52br are for holding the metal bolt 90 in a stable state in the bottomed groove 52b and are not compressed.

  In the above wire type window regulator 10, the wire guide member 50 supports the metal bolt (fixing member) 90, the guide rail 20 has the metal bolt 90 inserted through the slit 25, and the metal bolt 90 has the guide rail 20. The wire guide member 50 is fixed to the door panel of the vehicle. That is, in a state where the guide rail 20 is inserted into the insertion portion 51 of the wire guide member 50 and the metal bolt 90 is supported on the support portion 52, the guide rail 20 and the wire guide member 50 are as shown in FIGS. It is fixed to a vehicle door panel (inner panel) 100 by a metal bolt 90 and a nut 93 together. Specifically, the male screw portion 92 of the metal bolt 90 is inserted into a fastening hole 101 formed in the door panel 100 of the vehicle, and a nut 93 is screwed into the male screw portion 92 protruding from the fastening hole 101 so that the guide rail 20 is It is fixed to the door panel 100 of the vehicle. Since the guide rail 20 and the wire guide member 50 are fixed to the door panel 100 of the vehicle via the metal bolt 90, even if a load acts on the guide rail 20, there is little possibility that the wire guide member 50 is deformed. .

  In this fixed state, the fastening head 91 of the metal bolt 90, the vehicle front-rear direction rail portion 22 of the guide rail 20, and the door panel 100 of the vehicle are in contact with each other in sequence (metal touch), and no compression force is applied to the wire guide member 50. At this time, the inner surface 52a1 of the closing portion 52a of the wire guide member 50 and the upper end portion of the fastening head 91, and the semicircular portion 25a of the slit 25 and the male screw portion 92 are in contact with each other, and the wire guide member 50 moves downward. prevent. In particular, when the slider base 30 reaches the descending end and a downward force is applied to the wire guide member 50 via the restricting portion (surface) 55, the wire guide member 50 is prevented from moving downward.

  Further, when the nut 93 is tightened, the rotational force applied to the wire guide member 50 via the male screw portion 92 and the fastening head 91 is mainly the contact between the reinforcing rib 52e and the front-rear position restriction rail portion 23 of the guide rail 20. And the contact rib 51c and the contact portion between the inclined portion 24a of the guide rail 20 and the rotation of the wire guide member 50 is reliably prevented. In the above embodiment, the fastening head 91 of the metal bolt 90 has a rectangular shape, but may have another non-circular shape or a circular shape.

  The above-described wire type window regulator 10 has the retaining elastic arm 52c that the wire guide member 50 engages with the fastening head 91 of the nut 93 inserted into the insertion portion 51 to prevent the nut 93 from being inserted. Can be removed from the wire guide member 50, and the assembling work is facilitated.

  In the wire type window regulator 10 described above, the operation of inserting the guide rail 20 into the insertion portion 51 of the wire guide member 50 and the operation of mounting the metal bolt 90 (inserted into the bottomed groove 52b and the slit 25) are independent. Therefore, assembly work is easy.

  In the above embodiment, the present invention is applied to the wire guide member 50 at the lower end of the wire type window regulator 10, but the present invention can also be applied to the wire guide member at the upper end.

DESCRIPTION OF SYMBOLS 10 Wire type window regulator 20 Guide rail 21 22 Vehicle front-back direction rail part 23 Front-back position control rail part (vertical wall part)
24 Hook-shaped rail part 24a Inclined part (vertical wall part)
24b Rail portion 25 in the front-rear direction Slit 25a Semi-circular portion 30 Slider base (glass carrier)
40 Pulley bracket 42 Guide pulley 44 Pulley support shaft 50 Wire guide member 51 Insertion part (groove)
51a Inclined portion 51b Front-rear direction portion 51c Contact rib (rib)
52 Supporting part 52a Closure part 52b Bottomed groove
52b1 Vehicle front-rear direction wall 52b2 Vehicle width direction wall 52c Stopping elastic arm (elastic locking member)
52e Reinforcement rib (rib)
53 Tube insertion tube portion 54 Wire guide groove 55 Restriction portion (surface)
56 Detachment prevention claw 60 Drum housing 70 Drive drum 80 Motor unit (wire drive mechanism)
90 Metal bolt (fixing member)
91 Fastening head 91a Chamfer 92 Male thread part 93 Nut 100 Vehicle door panel (inner panel)
W1 Drive wire W1T Outer tube W2 Drive wire W2T Outer tube

Claims (6)

A wire type window regulator fixed to a door panel of a vehicle,
A guide rail that guides the slider base to which the window glass is fixed so as to freely move up and down;
A wire drive mechanism for moving the slider base up and down along the guide rail via a drive wire;
A wire guide member provided on at least one of the upper end portion and the lower end portion of the guide rail, around which the drive wire is wound, and for changing the routing direction of the drive wire;
Have
The wire guide member has an insertion part into which one end of the guide rail is inserted,
The insertion portion has a plurality of ribs that linearly contact the inserted guide rail, extending in the insertion direction of the guide rail.
This is a wire type window regulator. The wire guide member supports a fixing member,
The guide rail is inserted through the fixing member,
The fixing member fixes the guide rail and the wire guide member to a door panel of the vehicle.
The wire type window regulator according to claim 1. The guide rail, the vehicle door panel, and the fixing member are metal, and the fixing member is supported by the wire guide member and abuts on one end of the guide rail, and the guide rail and the vehicle door panel Abut,
The wire type window regulator according to claim 2. The guide rail is in contact with the front and back surfaces of the guide rail sandwiched between the vehicle door panel and the fixing member.
The wire type window regulator according to claim 3. The guide rail includes a pair of vertical wall portions that are spaced apart in the vehicle longitudinal direction and extend in the vehicle width direction, the wire guide member includes a support portion that supports the fixing member, and the support portion includes: Abutting against the pair of vertical wall portions of the guide rail,
The wire type window regulator according to any one of claims 2 to 4, wherein the wire type window regulator is provided. The wire guide member has an elastic locking member that prevents the fixing member supported by the wire guide member from coming off.
The wire type window regulator according to any one of claims 2 to 5, wherein the wire type window regulator is provided.

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