JP2002206371A - Wire type window regulator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire type window regulator having excellent assembling workability of a drive wire and a window glass. SOLUTION: A wire end is provided on a vertical portion of the drive wire lifting or lowering the window glass. The wire end is provided with an annular section having a fixed hole at the center section and a wire delivery hold section having the drive wire inside and extended upward and downward around the annular section. The upper and lower portions of the wire delivery hold section are formed into a longitudinally and laterally symmetrical shape, and the wire end and the window glass are fixed via the fixed hole in this wire type window regulator.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire type window regulator, and more particularly, to a connection structure between a driving wire and a window glass.

[0002]

2. Description of the Related Art A wire-type window regulator is provided with a wire guide member disposed above and below a vehicle door, regardless of whether the windowpane is lifted or lowered within the vehicle door, and a drive wire provided at an intermediate portion. A forward / reverse winding driving device that winds up one side and unwinds the other side is disposed, and a vertical portion of the driving wire extending between the upper and lower wire guide members is fixed to the window glass side.

Conventionally, a structure for fixing a driving wire to a window glass is such that after the driving wire is fixed to a carrier plate, the carrier plate is fixed directly to the window glass or to a glass channel fixed to a lower end portion of the window glass. Was normal. The carrier plate generally has an insertion groove for an end body of the drive wire. However, these conventional structures have problems such as the generation of abnormal noise due to the slack between the end body of the drive wire and the carrier plate, the poor orientation of the carrier plate, and the large number of parts. Was.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a wire-type window regulator which is free from abnormal noise, has excellent assemblability, and has a small number of parts.

[0005]

SUMMARY OF THE INVENTION The present invention comprises at least a pair of wire guide members provided at an upper position and a lower position in a vehicle door; a vertical portion extending between the upper and lower wire guide members. In a wire-type window regulator having a drive wire fixed to the window glass side; and a forward / reverse winding drive device that winds the drive wire on one side and unwinds the other on the other side, a wire end fixed on a vertical portion of the drive wire is provided. The wire end is provided with an annular portion having a fixing hole at the center, and a wire feeding and holding portion having a driving wire therein and extending vertically around the annular portion, and the wire end is fixed through the fixing hole. , Fixed to the window glass side.

It is preferable that the wire end has a shape symmetrical in the front-rear and left-right directions with respect to the upper and lower wire feeding and holding portions in order to improve the assemblability. Such a wire end
For example, it can be made of a synthetic resin material or a cast metal material. In the case of a synthetic resin material, the drive wire is insert-molded in the wire feeding and holding portion, and in the case of a cast metal material, the driving wire is cast and fixed in the wire feeding and holding portion. When the drive wire in the wire end is a non-cut drive wire connected to the upper and lower wire fixing tubular portions, the drive wire can be reliably prevented from coming off. Further, when the non-cutting driving wire in the wire end is embedded at least once in the annular portion, the strength around the fixing hole can be increased.

[0007] The wire end can be made of a pressed metal material or a forged metal material. In this aspect, the wire feeding and holding portion is formed by a caulked tubular portion for caulking and fixing the drive wire.

The wire-type window regulator according to the present invention is not only a single wire type in which only a pair of wire guide members are provided vertically, but also a pair of wire guide members provided in front and back, a vertical portion of a drive wire and a wire end. Can also be applied to the double wire type provided with each pair.

Before and after the wire end and the glass channel are connected to each other through the fixing hole, a temporary holding / locking portion for preventing the glass channel from dropping on the wire end is provided on one of the wire end and the glass channel. It is desirable to form.

[0010]

1 to 5 show a first embodiment in which a wire type window regulator according to the present invention is applied to a single wire type. As shown in FIG.
A guide pulley (wire guide member) 12 is rotatably supported by a shaft 11 on an upper bracket 10 fixed above the vehicle door (panel), and a shaft 21 is mounted on a lower bracket 20 fixed below. A guide pulley (wire guide member) 22 is rotatably supported. The upper bracket 10 and the lower bracket 20 are usually fixed to an inner panel of a vehicle door.

In the vehicle door, the upper bracket 10
And in front of the lower bracket 20 and substantially at the center in the height direction of both brackets, the winding device bracket 3
0 is fixed. On the winding device bracket 30, a winding drum 31 of a forward / reverse winding driving device is rotatably supported. As is well known, the take-up drum 31 is rotationally driven forward and reverse by an electric drive unit or a manual handle.

The above-described guide pulley 12 and guide pulley 2
A drive wire 32 is wound between the winding drum 2 and the winding drum 31. When the drive wire 32 is viewed around the winding drum 31, both ends of the drive wire 32 wound around the winding drum 31 are connected to the guide pulley 1 of the upper bracket 10.
2 and the guide pulley 22 of the lower bracket 20, and are guided in directions approaching each other between the guide pulley 12 and the guide pulley 22 to form a vertical portion 32 a. The wire end 40 is fixed to the drive wire 32 at a vertical portion 32a.
A drive wire 32 is provided between the take-up device bracket 30 and the upper bracket 10 and the lower bracket 20, respectively.
Are fixed at both ends of the outer cable 33 into which the outer cable 33 is slidably inserted.

The wire end 40 is, as shown in FIG.
An annular portion 42 having a central fixing hole 41 and a wire fixing tubular portion (wire feeding and holding portion) 43 extending substantially vertically vertically from the annular portion 42 are provided. Inside, a drive wire 32 guided by the guide pulley 12 and a cut end 32c of the drive wire 32 guided by the guide pulley 22 are respectively fixed. The wire end 40 has a shape that is symmetrical in the front-rear and left-right directions with respect to the upper and lower wire fixing tubular portions 43. The wire end 40 can be made of a synthetic resin material or a cast metal material.
The drive wire 32 is insert-molded therein, and a metal material is cast-molded. According to insert molding of a synthetic resin material or casting of a metal, such a symmetrical shape can be easily formed. For example, a knot or end metal can be attached to the cut end 32c to make it difficult to come off.

On the other hand, a glass channel 51 having a glass insertion groove 52 is fixed to a lower end portion of a window glass 50 which is guided up and down by a vehicle door, and a wire end 40 is fixed to the glass channel 51. Fixing holes 53 are formed.

When assembling the wire-type window regulator having the above-described structure, the upper bracket 1 is installed in the vehicle door.
0, the lower bracket 20 and the winding device bracket 30 are fixed, and these guide pulleys 12 and guide pulleys 2 are fixed.
2. The drive wire 32 having the wire end 40 is wound between the winding drums 31. A window glass 50 having a lower end portion inserted into the insertion groove 52 and fixed to the glass channel 51.
Is inserted between the inner panel and the outer panel of the vehicle door. Then, the position of the fixing hole 41 of the wire end 40 and the fixing hole 53 of the glass channel 51 are aligned, and the fixing screw 54 is inserted into and fixed to both fixing holes.
2 and the window glass 50 can be combined. Since the drive wire 32 is inserted and fixed inside the wire fixing cylindrical portion 43, the above-mentioned wire end 40 does not generate abnormal noise due to loosening of the wire end, and has a symmetrical shape in front and rear and left and right. There is no directionality when fixing to the channel 51, and the fixing workability is good. Before and after the window glass 50
For example, the door sash can be extended downward and guided.

A take-up drum 31 is provided via a guide pulley 12
The drive wire 32 leading to the winding drum 31 via the guide pulley 22 and the drive wire 32 leading to the winding drum 31 are usually cut off at the winding drum 31 and connected to the winding drum 31 at the end thereof. It has a retaining projection.
A pair of drive wires 32 are provided via the retaining projections.
When the winding drum 31 is rotated in the normal or reverse direction, the driving wire 32 is wound on one side and fed out on the other side. Such a winding structure and procedure of the drive wire 32 are well known.

In the above-described embodiment, the wire end 40 serves to connect the pair of drive wires 32 which have been divided. However, a mode in which a series of drive wires 32 are embedded in the wire end 40 and fixed is also possible. . FIG. 3 shows an embodiment in which the drive wire 32 embedded in the upper and lower wire fixing tubular portions 43 of the wire end 40 by insert molding of a resin material or casting of a metal material is passed through the annular portion 42 as a non-cutting wire 32. It is. FIG. 4 further embeds the non-cutting wire 32 around the annular portion 42 by turning it around.
This is an embodiment in which the area around the fixing hole 41 is strengthened.

Further, the wire end may be formed from a press-formed product of a metal plate material. FIG. 5 shows that the fixing hole 41 ′ and the annular portion 42 ′ are pressed by a metal plate material.
This is an embodiment of a wire end 40 'in which a caulked cylindrical portion (wire feeding and holding portion) 43' for caulking and fixing the drive wire 32 is formed above and below an annular portion 42 '. Also in this embodiment, the driving wire 32 is of a non-cutting type, and
It can be held inside 2 '(around the fixing hole 41').
Although the wire end 40 of this embodiment is not strictly symmetrical in front, rear, left and right, it can be treated as a substantially symmetric shape. Alternatively, since at least symmetry in the front-back direction is ensured, only the front and back sides need to be distinguished.

The wire end may be made of a forged metal. In the case of forging, a caulked tubular portion (wire feeding and holding portion) is formed by drilling, and after inserting an end of the drive wire into the tubular portion, the caulked portion is integrated with the drive wire. According to forging, the symmetry in front, rear, left and right can be easily obtained.

FIGS. 6 and 7 show an embodiment in which the present invention is applied to a double-wire type wire regulator.
A guide pulley 12 is provided on the upper bracket 10 which is horizontally long.
In addition, a guide bracket 14 is rotatably supported by a shaft 13 at a rear portion of the lower bracket 2.
In addition to the guide pulley 22, the shaft 2
3, a guide pulley 24 is rotatably supported. The drive wire 32 wound (routed) between the guide pulleys 12, 14, 22, 24 and the winding drum 31
A pair of vertical portions 3 parallel to each other between the guide pulleys 12 and 22, and between the guide pulleys 14 and 24, respectively.
2a are formed, and the pair of vertical portions 32a are wound so as to move in the same direction.

In this embodiment, a pair of glass channels 51 are fixed to the lower end of the window glass 50 so as to correspond to the pair of vertical portions 32a of the drive wire 32. The wire ends 40 are fixed at the same height. Further, as is apparent from FIG.
Temporary holding projections (temporary holding and locking portions) 44 extending in the left-right direction from the annular portion 42 are formed, and a pair of temporary holding arms (temporary holding members) corresponding to the pair of temporary holding projections 44 are formed in the glass channel 51. A stop portion 55 is formed so as to protrude. The temporary holding arm 55 forms a temporary holding recess 56 that receives the temporary holding projection 44 from below.

In this embodiment, in addition to the functions and effects of the first embodiment, the window glass 50 (glass channel 51)
When fixing to the drive wire 32 (wire end 40)
The window glass 50 can be temporarily placed on the wire end 40 by fitting the temporary holding projection 44 of the wire end 40 into the temporary holding recess 56 of the window glass 50. If the heavy window glass 50 can be temporarily placed on the wire end 40, the workability of joining the wire end 40 (drive wire 32) and the glass channel 51 (window glass 50) can be further improved.

In the above embodiment, the guide pulleys 12, 14, 22, and 24 are illustrated as guide members for the drive wire 32. However, other types of guide members, for example, a non-rotation type guide having a groove for guiding the wire. Members can also be used. Although the wire end 40 and the window glass 50 are fixed via the glass channel 51, the wire end 40 may be fixed directly to the window glass 50.

[0024]

According to the present invention, there is no slack between the end of the drive wire and the wire end, so that there is no abnormal noise, and the number of parts is small, so that the assemblability is excellent. In addition, by making the wire end symmetrical in the front-rear and left-right directions and eliminating its directivity, the assembling workability can be further improved.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a wire type window regulator according to the present invention.

FIG. 2 is an exploded perspective view of a main part of the wire-type window regulator of FIG.

FIG. 3 is a perspective view showing another embodiment of a wire end used in the wire type window regulator of FIG. 1;

FIG. 4 is a perspective view showing still another embodiment of the wire end.

FIG. 5 is a perspective view showing another embodiment of the wire end.

FIG. 6 is a front view showing a second embodiment of the wire-type window regulator according to the present invention.

FIG. 7 is an exploded perspective view of a main part of the wire type window regulator of FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Upper bracket 12 14 22 24 Guide pulley 20 Lower bracket 30 Winding device bracket 31 Winding drum 32 Drive wire 32a Vertical portion 32c Cutting end 33 Outer cable 40 40 'Wire end 41 41' Fixing hole 42 42 'Annular portion 43 Wire fixing cylindrical part (wire feeding holding part) 43 'Wire caulking cylindrical part (wire feeding holding part) 44 Temporary holding projection (temporary holding locking part) 50 Window glass 51 Glass channel 52 Glass insertion groove 53 Fixing hole 54 Fixing screw 55 Temporary holding arm (temporary holding and locking part) 56 Temporary holding recess

Claims (9)

[Claims] An at least one pair of wire guide members provided at an upper position and a lower position in a vehicle door; a vertical portion extending between the upper and lower wire guide members, and the upper and lower portions are provided on a window glass side. A wire wind regulator having a fixed drive wire; and a forward / reverse winding drive device for winding the drive wire on one side and unwinding the other on the other side, comprising a wire end fixed to a vertical portion of the drive wire; The wire end includes an annular portion having a fixing hole in the center, and a wire feeding holding portion having the driving wire therein and extending vertically around the annular portion, and the window glass is provided through the fixing hole. A wire-type window regulator fixed to the side. 2. The wire-type window regulator according to claim 1, wherein the wire end has a symmetrical shape with respect to the upper and lower wire feeding and holding portions. 3. The wire type window regulator according to claim 1, wherein the wire end is made of a synthetic resin material, and the drive wire is insert-molded in the wire feeding and holding portion. 4. The wire type window regulator according to claim 1, wherein the wire end is made of a cast metal material, and the drive wire is cast and fixed in the wire feeding and holding portion. 5. The wire-type window regulator according to claim 3, wherein the drive wire in the wire end is a non-cut drive wire connected to the upper and lower wire fixing tubular portions. 6. The wire-type window regulator according to claim 5, wherein the non-cutting driving wire in the wire end is embedded at least once in the annular portion. 7. The wire type window regulator according to claim 1, wherein the wire end is made of a pressed or forged metal material, and the wire feeding and holding portion is formed by a caulked cylindrical portion for caulking and fixing the drive wire. Wire-type window regulator. 8. The wire-type window regulator according to claim 1, wherein a pair of wire guide members is provided in front and back, and a pair of drive wires in a vertical direction and a pair of wire ends are provided. Wire type window regulator. 9. The wire-type window regulator according to claim 1, wherein the wire end and the glass channel are connected to one and the other of the wire end and the glass channel via the fixing hole. A wire type window regulator in which a temporary holding / locking portion for preventing a glass channel from falling to a wire end is formed before.