JPH0932412A - Wire type window regulator device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the workability, cost performance, and fabricability by reducing the number of parts. SOLUTION: A window regulator device is provided with a drum 17 which is fitted to a base member 25 and to which the forward/reverse rotation power is given by a driving mechanism 27, a wire 7 which is delivered from the drum 17 and arranged along a guide rail 3, and a carrier plate 5 which is connected to the wire 7 and vertically moved along the guide rail 3 through the traction by the wire 7. A case part 29 to surround the outer circumferential surface and the upper surface of the drum 17, a first fitting part to fit the driving mechanism 27, a second fitting part 33 to be fitted on a fixed body side, and a plurality of foldable holding parts 35 to temporarily support the lower surface side of the drum 17 are integrated with the base member 25 to reduce the number of parts.

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 device suitable for automobiles.

[0002]

2. Description of the Related Art Generally, there is a wire type window regulator for raising and lowering a window panel of an automobile.

An outline of the wire type window regulator is that the output shaft of the drive mechanism mounted on the base plate is
A drum to which rotational power for forward rotation and reverse rotation is applied is mounted, and a wire is fed from the drum and the wire is arranged along a guide rail. The wire arranged along the guide rail has a structure in which a carrier plate for raising and lowering a window panel, which is guided by the guide rail and moves up and down, is connected.

[0004]

As described above, the drum is mounted on the output shaft of the drive mechanism, and the drum is surrounded by the case portion. The case portion is attached to the base plate and has a shape different from that of the base plate.

Therefore, a process for separately processing the case portion and an assembling process for assembling the base plate are required, which is not desirable in terms of workability, assembling property and cost. In addition, when assembling the drive unit, it is necessary to manage each of the four points of the base plate, the drum, and the case unit in addition to the drive mechanism.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a wire type window regulator device which is excellent in terms of workability, assembling property and cost by making it possible to manage the parts of the drive unit at two points.

[0007]

In order to achieve the above object, the present invention provides a drum which is mounted on a base member and which is given a rotational power for forward and reverse rotation by a drive mechanism, and a guide rail which is extended from the drum. And a carrier plate that is connected to the wire and that moves up and down along the guide rail when pulled by the wire. The base member surrounds the outer peripheral surface and the upper surface of the drum. A case portion, a first mounting portion for mounting the drive mechanism, a second mounting portion for mounting on the fixed body side, and a plurality of bendable holding portions for temporarily supporting the lower surface side of the drum are integrally formed. is there.

Therefore, according to the wire type window regulator device, the drum can be temporarily supported by setting the drum in the case portion and bending the holding portion, and the components can be managed at two points of the drive mechanism and the base member. Get better.

On the other hand, after the second mounting portion of the base member on which the drum is temporarily supported is fixed to the fixed body side, the drive mechanism coupled so as to be conductively connected to the drum is fixed to the first mounting portion. Installation is completed quickly.

[0010]

DETAILED DESCRIPTION OF THE INVENTION Hereinafter, an embodiment of the present invention will be specifically described with reference to the drawings of FIGS.

In FIG. 1, reference numeral 1 denotes a wire type window regulator device which is assembled in the inner space of a door (not shown).

The window regulator device 1 includes a guide rail 3, a carrier plate 5 that can move up and down along the guide rail 3, a wire 7 that moves the carrier plate 5 up and down, and a drive unit 9 that pulls and controls the wire 7. It is composed of.

The guide rail 3 rises from both sides of the rail body, and has left and right rail portions 11 and 1 formed in a curl shape.
1 has a long shape in the up-down direction and has semi-arcuate guide portions 13 and 14 for guiding the wire 7 at both upper and lower ends.
Are provided respectively, and can be attached to an inner panel (not shown) of a door serving as a fixed body via a bracket 15.

The wire 7 is, for example, fed out from the outer peripheral surface of a drum 17 to be described later at the time of forward rotation, passes from the upper guide portion 13 between the rail portions 11 and 11, and the lower guide portion. The wiring is wound around the drum 17 via 14. Therefore, when the drum 17 is reversed, the wire 7 extending from the drum 17 toward the lower guide portion 14 side is the feeding side, and the wire 7 extending from the upper guide portion 13 toward the drum 17 side is the winding side, and the drum 17 Rail part 11 and rail part 1 by forward or reverse rotation
The wire 7 between 1 can move upward or downward as indicated by an arrow.

The carrier plate 5 includes rail portions 11 and left and right mounting portions 21 to which the window panel 19 is attached.
And a wire locking and holding portion 23 that is coupled to the wire 7 arranged between the rail portion 11 and the rail portion 11, and is vertically slidably assembled to the rail portion 11 of the guide rail 3.

The drive unit 9 has a base member 25, a drive mechanism 27 such as a drive motor, and a drum 17. The base portion 17 is made of metal as shown in FIG.
Case part 29 surrounding the outer peripheral surface and the upper surface of 7, and the drive mechanism 2
7 has a first mounting part 31 for mounting 7, a second mounting part 33 for mounting on the guide rail 3, and a plurality of foldable holding parts 35, and has a case part 29, first and second mounting parts 3.
1, 33 and the holding portion 35 are integrally press-molded.

The case portion 29 rises up integrally from the base member 25, an opening 37 is provided on the outer peripheral wall for feeding the wire 7 out of the drum 17, and a drum 17 is provided on the ceiling.
There are provided cylindrical drum supporting portions 39 for respectively supporting the.

The first mounting portion 31 has a shape extending in a crank shape in cross section from the case portion 29, and the deceleration portion 41 of the drive mechanism 27 is mounted to the tip portion thereof by a mounting screw 43.

The speed reducing unit 41 is composed of a worm and a worm wheel (neither of which is shown), and the speed reducing unit 41 is attached to an output shaft 45 of a rectangular tube shape provided on the worm wheel.
Protruding on the upper surface of. A ring-shaped locking wall 46, which will be described later, is provided outside the output shaft 45 on the upper surface side of the speed reducing portion 41.

The second mounting portion 33 has a shape in which a pair of left and right portions are extended from the case portion 29 on the side opposite to the first mounting portion 31 in a crank shape in section, and the tip end portion of the guide rail 3 is formed. It is integrally fixed to the rail body by means such as caulking.

The base side of the second mounting portion 33 is attached to a part of the speed reducing portion 41 of the drive mechanism 27 by a mounting screw 43, and has a shape which also serves as a mounting member for mounting a part of the speed reducing portion 41. There is.

The holding portion 35 includes the first and second mounting portions 31,
The cut-and-raised tongues formed by the notches formed on the base side of 33 are formed at intervals of about 120 degrees.
It is provided in the place.

Before assembly, the holding portion 35 is extended downward from the outer peripheral wall 39a of the case portion 39, and is bent inward by approximately 90 degrees, so that the lower surface side of the drum 17 is fixed. The condition of temporary support is obtained.
Further, at this time, the tip 35a of the holding portion 35 is arranged to closely surround the outer peripheral surface of the locking wall 46,
The positioning is performed when the drive mechanism 27 is attached to the base member 25.

As shown in FIG. 3, the drum 17 is provided with a fitting concave portion 47 for fitting with the drum supporting portion 39 of the case portion 29 on the upper surface side, and an output shaft 45 of the speed reducing portion 41 on the lower surface side. A rectangular cylindrical shaft hole 49 is provided to be integrally engaged with the shaft hole 49.

The outer peripheral surface of the drum 17 serves as a feeding surface for feeding the wire 7 and a winding surface for winding the wire 7. The feeding surface and the winding surface are alternately switched during forward rotation and reverse rotation. It is like this.

According to the window regulator device 1 thus constructed, after the drum 17 is set in the case portion 29, each holding portion 35 is bent inward by approximately 90 degrees, so that the drum 17 can be temporarily supported. Become so.
Therefore, the component management of the drive unit 9 can be performed by the two components of the base member 25 and the drive mechanism 27.

Next, the second mounting portion 33 is attached to the guide rail 3
By attaching the base member 25 together with the drum 17 that is temporarily supported in the case portion 29, the work of attaching the case portion 29 becomes unnecessary. Next, connect both end portions of the wire 7 extended from the upper and lower guide portions 13 and 14,
It is wound around the outer peripheral surface of the drum 17 and locked. Subsequently, with the output shaft 45 of the drive mechanism 27 aligned with the shaft hole 49 of the drum 17, the deceleration portion 41 of the drive mechanism 27 is attached to the first attachment portion 31 to easily complete the attachment work. Like

4 to 12 show an embodiment in which the base member 25 is attached to a door panel which is a fixed body. The same parts as those in the above embodiment will be described with the same reference numerals.

The window regulator device 1 of this embodiment includes a guide rail 3, a carrier plate 5 which can move up and down along the guide rail 3, a wire 7 for moving the carrier plate 5 up and down, and a drive for pulling and controlling the wire 7. It is composed of a part 9 and a part 9.

The guide rail 3 rises from both sides of the rail main body, and has left and right rail portions 11 and 1 formed in a curl shape.
1 has a long shape in the up-down direction and is provided with guide portions 13 and 14 for guiding the wire 7 at both upper and lower ends, and is attached to an inner panel (not shown) of a door via a bracket 15. Will be available.

The wire 7 is fed from the outer peripheral surface of the drum 17, for example, at the time of forward rotation, passes from the upper guide portion 13 between the rail portions 11 and 11 and passes through the lower guide portion 14. The cable is wound around the drum 17 via the cable. Therefore, when the drum 17 is reversed,
The wire 7 extending from the drum 17 to the lower guide member 14 side serves as the payout side. Further, the wire 7 extending from the upper guide portion 13 toward the drum 17 side is the winding side, and the upper and lower guides 13 and 14 to the plug locking portion 55, which will be described later, provided on the base member 25 are the outer parts. It penetrates through the tubes 51, 51.

As shown in FIG. 7, the outer tubes 51, 51 have extension springs 5 for absorbing the looseness of the wire 7.
2 is provided inside, and the peripheral groove 54 of the plug 53 is engaged with the plug locking portion 55.

The carrier plate 5 includes left and right mounting portions 21 and 21 to which the window panel 19 is mounted, and a wire locking and holding portion 23 that is coupled to the rail 7 and the wire 7 routed between the rails 11. Has a guide rail 3
The rail portion 11 is assembled so as to be slidable up and down.

The drive unit 9 has a base member 25, a drive mechanism 27 such as a drive motor, and a drum 17. The base part 25 is made of metal, and has a plug locking part 55 for locking the plug 53 of the outer tube 51 and a drive mechanism 27.
The first mounting portion 57 for mounting and the second mounting portion for mounting on the vehicle body side
The mounting portion 59 and the plurality of bendable holding portions 61, and the plug locking portion 55, the first and second mounting portions 57, 5
9. The holding portion 61 is integrally press-molded.

The first mounting portion 57 is formed in a flat shape,
A cylindrical drum support portion 63 that fits into the fitting recess 47 provided on the upper surface side of the drum 17 is provided on the central plane portion 57a at substantially the center, while it is bendable along the outer peripheral surface of the drum 17. The holding portion 61 is vertically provided at three places.

The holding portion 63 is bent inward by approximately 90 degrees to temporarily support the lower surface side of the drum 17. Thus, the case portion 65 that surrounds the upper surface and the outer peripheral surface of the drum 17 is formed by the three holding portions 61 and the central flat surface portion 57a of the first mounting portion 57.

The drive mechanism 2 is attached to the first mounting portion 57.
The speed reducer 41 of No. 7 is attached by an attaching screw 67.

The speed reducing portion 41 is composed of a worm and a worm wheel (neither of which is shown), and an output shaft 45 in the shape of a rectangular tube provided on the worm wheel projects from the upper surface of the speed reducing portion 41.

The second mounting portion 59 has a shape in which it extends downward from the first mounting portion 57 and is then bent outwardly in a short shape. A screw or the like is attached to the door inner panel or the like on the fixed body side. It becomes possible to be attached integrally by the means of.

As shown in FIG. 6, the plug locking portion 55 projects from the flat end portion of the first mounting portion 57, and has a vertically long engagement groove 71 opened downward on the locking surface 69 side. ing.

The locking surface 69 is formed by the upper and lower guide portions 13, 14
The engaging groove 71 has a length substantially corresponding to the vertical dimension of the outer peripheral surface of the drum 17, while being formed in an arc shape having a distance to the radius. The peripheral groove 54 of the plug 53 is slidably engaged with the engaging groove 71, so that the engaging groove 7
The opening No. 1 is closed after the assembly of the plug 53 is completed, and is prevented from falling off.

As described above, the drum 17 is provided with the fitting recess 47 on the upper surface side, and on the lower surface side, the rectangular cylindrical shaft hole 49 which is integrally engaged with the output shaft 45 of the speed reducing unit 41. .

For example, when the upper half of the outer peripheral surface of the drum 17 is the feeding surface for feeding the wire 7, the lower half is the wire 7.
Is a winding surface for winding, and the feeding surface and the winding surface are alternately switched during forward rotation and reverse rotation.

Therefore, according to this embodiment, by the first and second mounting portions 57 and 59 and the holding portion 61,
In addition to the same actions and effects as those of the first embodiment, the following actions and effects are obtained.

That is, as shown in FIG. 11, the outer tube 51 is in a substantially S-shape when it is mounted on an actual vehicle. When the wire 7 is excessively wound during the restraint of full opening and full closing, the outer tube 51 approaches a straight line state as shown in FIG. 12, and the plug 53 receives a load in the form of being lifted in the X direction.

At the same time, since the outer tube 51 is straight, the extension spring 52 is in close contact with the outer tube 51, and the maximum stroke amount of the extension spring 52 is exceeded, so that a load in the Y direction is generated on the plug 53. The loads in the X and Y directions have a deformation effect on the base member 25,
At this time, as shown in FIG. 12, the combined force F in the X and Y directions causes the plug 53 to be in a substantially linear state with the wire 7 fed from the outer peripheral surface of the drum 17 in the locking groove 71 as shown in FIGS. 9 and 10. Therefore, the load applied to the base member 25 is reduced and the deformation of the base member 25 can be reliably suppressed.

[0047]

As described above, according to the present invention, the base member has the first mounting portion for mounting the drive mechanism, the second mounting portion for mounting on the fixed body, and the case surrounding the drum. Since the part and the holding part for temporarily supporting the drum are integrally provided,
Since the number of parts is reduced, it is extremely excellent in terms of workability, cost, and assembling, including man-hours for managing parts.

[Brief description of drawings]

FIG. 1 is a schematic side view of a wire window regulator device according to the present invention.

FIG. 2 is a perspective view of a base member and a drive mechanism.

FIG. 3 is a cross-sectional view in which a drum is temporarily supported in a case portion.

FIG. 4 is a schematic side view similar to FIG. 1 showing a second embodiment.

FIG. 5 is an explanatory diagram for temporarily supporting the drum on the case portion of the base member.

FIG. 6 is an explanatory diagram for mounting a speed reduction unit of a drive mechanism on a base member on which a drum is temporarily supported.

FIG. 7 is a sectional view of the plug.

FIG. 8 is an explanatory view showing a moving relationship between a wire of a drum and a plug.

FIG. 9 is an explanatory diagram showing a movement relationship between a wire of a drum and a plug.

FIG. 10 is an explanatory diagram showing a movement relationship between a wire of a drum and a plug.

FIG. 11 is an operation diagram of the outer tube.

FIG. 12 is an operation diagram of the outer tube.

[Explanation of symbols]

 3 Guide Rail 5 Carrier Plate 7 Wire 17 Drum 25 Base Member 27 Drive Mechanism 29 Case Part 31 First Mounting Part 33 Second Mounting Part 35 Holding Part

Claims (1)

[Claims] 1. A drum mounted on a base member, to which a driving mechanism applies rotational power for forward rotation and reverse rotation, a wire fed from the drum and installed along a guide rail, and a wire connected to the wire. With a carrier plate that moves up and down along the guide rail by towing by,
A case portion surrounding the outer peripheral surface and the upper surface of the drum, a first mounting portion for mounting the drive mechanism, a second mounting portion for mounting on the fixed body side, and a lower surface side of the drum temporarily supported on the base member. A wire-type window regulator device characterized in that a plurality of bendable holding parts are integrally formed.