JP5638888B2 - Window regulator and its assembly method - Google Patents

Description

  The present invention relates to a guide provided along the glass ascending / descending direction, a wire routed through a guide member and having a portion that moves forward / backward along the glass ascending / descending direction, and movably engaged with the guide. In addition, the present invention relates to a window regulator having a slider to which the glass is attached and to which the wire is connected, and a slack removing mechanism that is provided on the slider and biases the wire in a tensioning direction, and an assembling method thereof.

  A conventional window regulator will be described with reference to FIG. In the figure, the guide rail 1 is provided along the raising / lowering direction of the glass 2 (arrow direction in FIG. 11). The upper and lower portions of the guide rail 1 are attached to the vehicle body side (door inner panel).

  Two sliders 3 and 4 are slidably engaged with a rail portion 1 a provided on the guide rail 1. A slider plate 6 is provided on the two sliders 3 and 4. Furthermore, the lower part of the glass 2 and the slider plate 6 are fixed using screws 7, and the glass 2 can be moved up and down in the direction of the arrow along the guide rail 1.

  A motor 8 is provided on the upper portion of the guide rail 1, and a drum 9 is fixed to the output shaft of the motor 8. The drum 9 is covered with a cover 10 that is attached to the guide rail 1 with screws 41.

  An upper wire 11 and a lower wire 12 are wound around the circumferential surface of the drum 9. When the drum 9 is rotated in one direction, the upper wire 11 is drawn from the drum 9 and the upper wire 11 and the lower wire 12 are wound around the circumferential surface of the drum 9 so that the lower wire 12 is wound around the drum 9. ing.

  The upper wire 11 coming out of the drum 9 is routed downward along the rail portion 1 a and is connected to the slider plate 6. The lower wire 12 coming out of the drum 9 is routed downward along the rail portion 1a, and along the rail 1a via a lower pulley (guide member) 13 rotatably provided at the lower portion of the guide rail 1. It is routed upward and connected to the slider plate 6.

  Next, the operation of the above configuration will be described. By driving the motor 8, the drum 9 rotates. By rotation of the drum 9, one of the upper wire 11 and the lower wire 12 wound around the drum 9 is fed out of the drum 9, and the other wire is wound around the drum 9. As the upper wire 11 and the lower wire 12 move, the slider plate 6 moves along the guide rail 1 and the glass 2 is moved up and down.

  In such a window regulator, the upper wire 11 and the lower wire 12 are connected to the slider plate 6 via the slack removing mechanism 15 in order to take up the slack of the wire.

  Here, the slack eliminating mechanism 15 will be described.

  A guide groove 19 is formed in the slider plate 6 along the ascending / descending direction of the glass 2. Holes 19c19d into which the upper wire 11 and the lower wire 12 can be inserted are formed in the inner walls 19a and 19b intersecting the glass 2 ascending and descending direction of the guide groove 19.

  Wire end members 17 having the same configuration are attached to the distal ends of the upper wire 11 and the lower wire 12 inserted through the holes 19d and 19c from the outside and inserted into the guide groove 19, respectively. The wire end member 17 includes a cylindrical portion 17a and a collar portion 17b formed on the peripheral surface of the cylindrical portion 17a. Further, the upper wire 11 and the lower wire 12 do not sag by the spring (biasing means) 21 in which the intermediate portion winds the wire, the one end contacts the inner walls 19a and 19b of the guide groove 19 and the other end contacts the collar portion 17b. It is biased in the direction (see, for example, Patent Document 1).

JP-A-9-49369

  When the lower wire 12 is engaged with the lower pulley 13 in the assembly process of the window regulator having the above configuration, the lower wire 12 is manually pulled against the urging force of the spring 21 of the slack removing mechanism, and the lower wire 12 is slackened. It is hanging. Since the lower wire 12 is pulled manually, there is a problem that it is difficult to assemble.

  The present invention has been made in view of the above problems, and an object thereof is to provide a window regulator assembling method and a window regulator that can be easily assembled.

The invention according to claim 1, which solves the above-mentioned problem, is a wire having a guide rail provided along the glass ascending / descending direction and a portion that is routed through the guide member and that advances / retreats along the glass ascending / descending direction. A slider to which the glass is attached and the wire is connected, a wire end member provided on the slider and attached to an end of the wire, and the wire end. Assembling a window regulator comprising: a guide for guiding a member in the advancing / retreating direction of the wire; and a slack removing mechanism for urging the wire end member in a direction in which the wire is stretched , and a spring for biasing in the direction in which the wire is stretched in the method, is provided in the guide, or claw its distal end abuts on the wire end member of slack said wire It prohibits energization of the wire of the slack removing mechanism, slack of the wire by using a stopper means for holding the wire in a slack state, to perform the routing of the wires to the guide member It is the assembly method of the window regulator characterized.

  The invention according to claim 2 is the method of assembling the window regulator according to claim 1, wherein the biasing mechanism releases the urging force of the wire by releasing the stopper means.

According to a third aspect of the present invention, there is provided a guide rail provided along a glass ascending / descending direction, a wire routed through a guide member and having a portion that advances and retreats along the glass ascending / descending direction, and the guide rail. A slider to which the glass is attached and the wire is connected, a wire end member provided on the slider and attached to an end of the wire, and the wire end member is attached to the wire. In the window regulator having a guide for guiding in the advancing and retracting direction and a sag removing mechanism for urging the wire end member in the direction in which the wire is stretched, and urging in the direction in which the wire is stretched. , the tip portion is made of engageable claws on the wire end member of slack said wire, the biasing of the wire Sealed, a window regulator, characterized in that a stopper means for holding the wire in a slack state.

According to a fourth aspect of the present invention, the claw is formed in a recess formed on the two standing walls of the guide along the advance and retreat direction of the wire, and in the natural state, the distal end is outside the recess. Formed such that the tip end side is bent into the recess when pushed by the wire end member extending and moving in the direction of slackening the wire, and the tip end side returns to the natural state again when the wire end member passes. The window regulator according to claim 3 , wherein the window regulator is provided.

The invention according to claim 5 is the window regulator according to claim 4 , characterized in that a notch line is formed on the base end side of each claw when the claw is broken when the front end side is pushed.

According to the first and second aspects of the invention, the sag of the slack removing mechanism is prohibited, and the wire is slackened by using the stopper means that holds the wire in a slack state. By arranging the wires, it is not necessary to manually pull the wires, so that assembly is facilitated.

Claim 3 - According to the invention of 5, the slack removing mechanism, inhibits energization of the wire, by providing the stopper means for holding the wire in a slack state, not pull the wire manually Thus, since the wire can be routed to the guide member, assembly is facilitated.

It is sectional drawing in the cutting | disconnection line CC of FIG. 2, Comprising: It is a figure explaining the time of a window regulator assembly. It is a front view of the window regulator of an embodiment. FIG. 3 is a cross-sectional view taken along a cutting line BB in FIG. 2. FIG. 3 is a cross-sectional view taken along a cutting line CC in FIG. 2. It is sectional drawing in the cutting line DD of FIG. It is a figure explaining assembly of a slack removal mechanism. It is a figure explaining assembly of a slack removal mechanism. FIG. 6 is an enlarged perspective view of a portion E in FIG. 5. It is a figure explaining the state which the jig | tool engaged with the housing of other embodiment. FIG. 10 is a cross-sectional view taken along a cutting line EE in FIG. 9. It is a figure explaining the conventional window regulator.

  First, the window regulator according to the embodiment will be described with reference to FIGS. 2 is a front view of the window regulator of the embodiment, FIG. 3 is a cross-sectional view taken along a cutting line BB in FIG. 2, and FIG. 4 is a cross-sectional view taken along a cutting line CC in FIG.

  In FIG. 2, a guide rail 31 is provided along the ascending / descending direction of the glass 32 (the arrow direction in FIG. 2). The upper and lower portions of the guide rail 31 are attached to the vehicle body side (door inner panel).

  Two sliders 33 and 34 are slidably engaged with a rail portion 31 a provided on the guide rail 31. The two sliders 33 and 34 are provided with a metal slider plate 36. Furthermore, the lower part of the glass 32 and the slider plate 36 are fixed using screws 37, and the glass 32 can be moved up and down in the direction of the arrow along the guide rail 31.

  A motor 38 is provided above the guide rail 31, and a drum 39 is fixed to the output shaft of the motor 38. The drum 39 is covered with a cover 40 attached to the guide rail 31 with a screw.

  As shown in FIG. 3, a spiral groove 39 a is formed on the circumferential surface of the drum 39, and an upper wire 41 and a lower wire 42 are wound thereon. Then, when the drum 39 is rotated in one direction, the upper wire 41 and the lower wire 42 are wound around the circumferential surface of the drum 39 so that the upper wire 41 is unwound from the drum 39 and the lower wire 42 is wound around the drum 39. ing.

  Returning to FIG. 2, the upper wire 41 coming out of the drum 39 is routed downward along the rail portion 31 a and is connected to the slider plate 36 via a slack removing mechanism 45 described later. The lower wire 42 coming out of the drum 39 is routed downward along the rail portion 31a, and along the rail portion 31a via a lower pulley (guide member) 43 rotatably provided at the lower portion of the guide rail 31. It is routed upward and is connected to the slider plate 36 via a slack removing mechanism 45 described later.

  Here, the slack removing mechanism 45 will be described with reference to FIGS.

  A rectangular hole 36a is formed in the slider plate 36 along the ascending / descending direction of the glass 32, and a box-shaped housing 50 whose one surface is opened is attached to the hole 36a by an injection molding method or the like.

  The housing 50 includes wall portions 50a and 50b intersecting with the ascending / descending direction of the glass 32, and two wall portions 50e and 50f along the advancing / retreating direction of the wire 42 of the housing 50.

  Holes 50c and 50d are formed in the walls 50a and 50b. A bush 53 in which a hole into which the upper wire 41 and the lower wire 42 can be inserted is fitted into the holes 50c and 50d.

  In a space S1 surrounded by the wall portions 50a and 50b and the wall portions 50e and 50f of the housing 50, two bottomed cylindrical wire end members 52 each having an open surface are disposed. . These two wire end members 52 are arranged such that their open surfaces face each other. Further, a collar portion 52 a is formed on the peripheral surface of the wire end member 52 on the open surface side. Further, a hole 52 b is formed at the bottom of the wire end member 52. Therefore, the space S1 of the housing 50 in which the wire end member 52 is disposed functions as a guide for guiding the wire end member 52 of the wire end member 52 in the wire advance / retreat direction.

  The hole of the bush 53 is inserted from the outside of the housing 50, inserted into the housing 50, and further inserted into the hole 52 b of the wire end member 52, and into the distal ends of the upper wire 41 and the lower wire 42 that have entered the wire end member 52. The retaining member 55 is attached by a method such as caulking. The intermediate portion winds the wire, and the upper wire 41, one end portion is brought into contact with the wall portions 50 a and 50 b of the housing 50, and the other end portion is brought into contact with the collar portion 52 a of the wire end member 52. The lower wire 42 is biased in a direction that does not sag.

  Here, the operation of the above configuration will be described. By driving the motor 38, the drum 39 rotates. As the drum 39 rotates, one of the upper wire 41 and the lower wire 42 wound around the drum 39 is fed out of the drum 39, and the other wire is wound around the drum 39. As the upper wire 41 and the lower wire 42 move, the slider plate 36 moves along the guide rail 31 and the glass 32 is moved up and down.

  Next, with reference to FIGS. 1, 5, and 8, the stopper means that is provided in the slack removing mechanism 45 and prohibits the urging of the wire and holds the wire in a slack state will be described. 1 is a cross-sectional view taken along the line CC in FIG. 2 and shows a state when the window regulator is assembled, FIG. 5 is a cross-sectional view taken along the line DD in FIG. 1, and FIG. FIG.

  As shown in FIGS. 1 and 5, recesses 50 g and 50 h are formed in two wall portions 50 e and 50 f along the wire advance / retreat direction of the housing 50. In the space S2 formed by the recess 50g, claws 103 and 105 that can be engaged with the wire end member 52 of the upper wire 41 and the wire end member 52 of the lower wire 42 are formed. Similarly, in the space S3 formed by the recess 50h, claws 103 and 105 that can be engaged with the wire end member 52 of the upper wire 41 and the wire end member 52 of the lower wire 42 are formed.

  The shape of the pair of claws 103 formed in the concave portion 50g and the concave portion 50h is such that the rising portion 103a extends from the bottom surface of the concave portion 50g and the concave portion 50h in the direction intersecting the moving direction of the wire end member 52, and the rising portion 103a is folded. Bending, and the tip end side extends into the space S1 (outside of the recess 50g and the recess 50h) in which the wire end member 52 moves, and the tip ends extend in a direction approaching each other toward the wire end member 52 to be engaged. It consists of a joint part 103b. Therefore, the claw 103 has its tip portion abutted (engaged) with the collar portion 52a of the wire end member 52, prohibiting the bias of the upper wire 41 of the spring 57, and the stopper means 101 for holding the upper wire 41 in a slack state. It has become.

  Similarly, the shape of the pair of claws 105 formed in the concave portion 50g and the concave portion 50h includes a rising portion 105a extending from the bottom surface of the concave portion 50g and the concave portion 50h in a direction crossing the moving direction of the wire end member 52, and a rising portion. Engagement part which bends from 105a and extends into the space S1 in which the wire end member 52 moves from the recesses 50g and 50h and extends in a direction in which the tip parts approach each other toward the wire end member 52 to be engaged. 105b. Therefore, the claw 105 has its tip portion abutted (engaged) with the collar portion 52a of the wire end member 52, prohibiting the bias of the lower wire 42 of the spring 57, and the stopper means 101 for holding the lower wire 42 in a slack state. It has become.

  As shown in FIG. 8, a V-groove notch line 105 c is formed on the surface of the rising portion 105 a of the claw 105 that faces the open surface of the housing 50. The notch line 105c is provided so as to be located in the space S3 formed by the recess 50h. A notch line is also formed on the surface of the rising portion 103a of the claw 103 that faces the open surface of the housing 50. This notch line is also provided so as to be located in the space S2 formed by the recess 50g. And if the front end side of the nail | claw 103,105 is pushed toward the bottom direction from the opening of notch line 103c, 105c, it will fracture | rupture in the notch line 103c, 105c part.

  Next, a method for assembling the slack eliminating mechanism 45 will be described with reference to FIGS. 6 and 7 are diagrams for explaining assembly of the slack eliminating mechanism.

  First, in a state where no wire is assembled to the slack eliminating mechanism 45, as shown in FIG. 6, the tips of the claws 103 and 105 extend into the movement space of the wire end member 52, that is, into the guide.

  Next, as shown in FIG. 7, a spring 57 is arranged in the housing 50, a hole in the bush 53 from the outside of the housing 50, a lower wire 42 is passed through the spring 57, and a wire end member 52 is secured to the wire end. Install with 55. Then, the lower wire 42 is moved in a direction to sag against the urging force of the spring 57. At this time, the nail | claw 105 is pushed by the wire end member 52, and the front end side bends in the recessed parts 50g and 50h.

  Then, when the wire end member 52 passes, the tip end side returns again so as to be positioned in the guide. As shown in FIG. 5, the claw 105 comes into contact with the collar portion 52 a of the wire end member 52, and the spring The urging of the lower wire 42 of 57 is prohibited, and the lower wire 42 is held in a slack state. With the lower wire 42 bent, the lower wire 42 is engaged with the lower pulley 43, and the lower wire 42 is routed. The assembly on the upper wire 41 side is the same.

  When the assembly of the slack removing mechanism 45 is finished, the front ends of the claws 103 and 105 are pushed toward the bottom from the openings of the notch lines 103c and 105c, and are broken at the notch lines 103c and 105c. The side claws 103 and 105 are removed. Then, as shown in FIG. 4, the upper wire 41 and the lower wire 42 are urged in the tensioning direction by the urging force of the spring 57.

  According to such a configuration, the slack removing mechanism 45 is provided with the claws (stopper means) 103 and 105 that prohibit the urging of the wire and hold the wire in a slack state, so that the wire is not pulled manually. Thus, since the lower wire 42 can be routed to the lower pulley (guide member) 43, assembly is facilitated.

  The present invention is not limited to the above embodiment. In the above embodiment example, the biasing mechanism is provided with the stopper means for prohibiting the urging of the wire and holding the wire in a slack state. However, the jig 131 provided to be detachable from the housing 50 may be used. . FIG. 9 is a diagram for explaining a state in which the jig is engaged with the housing, and FIG. 10 is a cross-sectional view taken along a cutting line EE of FIG.

  In these drawings, the jig 131 pulls the upper wire 41 and the lower wire 42 against the urging force of the spring 57, and the gap between the wire end member 52 of the upper wire 41 and the wire end member 52 of the lower wire 42 is maintained. Then, the jig 131 is inserted between the wire end member 52 of the upper wire 41 and the wire end member 52 of the lower wire 42. Then, the wire end member 52 is held in a state where the upper wire 41 and the lower wire 42 are slack. Then, with the lower wire 42 bent, the lower wire 42 is engaged with the lower pulley 43, and the lower wire 42 is routed.

  When the assembly of the slack removing mechanism 45 is completed, the jig 131 is removed. Then, as shown in FIG. 4, the upper wire 41 and the lower wire 42 are urged in the tensioning direction by the urging force of the spring 57.

  Even in such a configuration, by using the jig 131, the lower wire 42 can be routed to the lower pulley (guide member) 43 without manually pulling the wire, so that assembly is facilitated.

  In the above embodiment, the resin housing 50 of the slack removing mechanism 45 is formed on the metal slider plate 36 by an injection molding method or the like. However, the slack removing mechanism housing and the slider plate are made of resin. You may form by integral molding.

  Further, in the above embodiment, the glass 32 is directly attached to the slider plate 36 using the screw 37, but it may be attached to the slider plate via a glass holder provided at the lower part of the glass.

45 Loosening mechanism 41 Upper wire 42 Lower wire 52 Cable end 57 Spring 101 Stopper means 103, 105 Claw

Claims (5)

A guide rail provided along the glass raising and lowering direction;
A wire that is routed through a guide member and has a portion that advances and retreats along the raising and lowering direction of the glass;
A slider that is movably engaged with the guide rail, the glass is attached, and the wire is connected;
A wire end member provided on the slider and attached to an end portion of the wire; a guide for guiding the wire end member in the advancing / retreating direction of the wire; and a spring for biasing the wire end member in a direction in which the wire is stretched becomes a slack removing mechanism for urging in a direction of tensioning the wire,
In a method of assembling a window regulator having
The guide is provided with a claw that abuts against the wire end member in a state where the wire is slack, provided on the guide, and prohibits the urging of the wire of the slack removing mechanism and holds the wire in a slack state. A method of assembling a window regulator, wherein the wire is slackened using stopper means to route the wire to the guide member.   The window regulator assembling method according to claim 1, wherein the biasing mechanism releases the urging force of the wire by releasing the stopper means. A guide rail provided along the glass raising and lowering direction;
A wire that is routed through a guide member and has a portion that advances and retreats along the raising and lowering direction of the glass;
A slider that is movably engaged with the guide rail, the glass is attached, and the wire is connected;
A wire end member provided on the slider and attached to an end portion of the wire; a guide for guiding the wire end member in the advancing / retreating direction of the wire; and a spring for biasing the wire end member in a direction in which the wire is stretched A slack removing mechanism that urges the wire in the direction in which the wire is stretched;
In a window regulator having
The slack removing mechanism comprises a claw capable of engaging with the wire end member with the wire slackened at the tip thereof, and stopper means for prohibiting urging of the wire and holding the wire in a slackened state A window regulator characterized by the provision of The claw is
Proximal end portions are respectively formed in recesses formed in two standing walls along the advance and retreat direction of the wire of the guide,
In the natural state, the tip side extends out of the recess,
When the wire end member that moves in the direction in which the wire is slackened is pushed, the tip end side is bent into the recess, and when the wire end member passes, the tip end side is again restored to the natural state. The window regulator according to claim 3. 5. The window regulator according to claim 4, wherein a notch line is formed on the base end side of each claw to break the claw when the front end is pushed.

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