JPH06146710A - Window regulator - Google Patents

Abstract

PURPOSE:To reduce the number of part items for a window regulator, by a method wherein mechanisms each having specified functions for first and second wires are provided on upper and lower retainers mounted on a rail. CONSTITUTION:Through holes 46a, 47a, guide grooves 46b, 47b for guiding first and second wires 44, 45, and openings 46c 47c for preventing the dislocation of securing members 53, 55 and springs 58, 59 are respectively provided on upper and lower retainers 46, 47. The upper and lower retainers are mounted so as to plug the top and bottom edges of a rail. In this way, functions of adjusting tension in relation to the first and second wires 44, 45 and of guiding them are incorporated with the upper and lower retainers 46, 47, and the number of part items is reduced, and thus the labor cost for assembling can be sharply reduced.

Description

Detailed Description of the Invention

[0001]

[Object of the Invention]

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window regulator device for moving a window glass up and down to open and close a window formed in a door.

[0003]

2. Description of the Related Art Conventionally, as this type of window regulator device, the one disclosed in Japanese Utility Model Publication No. 3-33915 is known. This is a rail supported by the door, a movable body fixed to the window glass and slidably supported by the rail, a drum rotatably supported by the door, and one end wound around the drum to move the movable end. And the other end is provided with a tension adjusting function and is locked to the rail to become a fixed end, which is guided by a pulley held by the rail to change its direction and is stretched to a movable body. And a second wire. In this conventional device, by rotating the drum, the first and second wires are wound on the drum or sent out from the drum, and the movable body is moved to the rail by the traveling of the first and second wires. As a result, the window glass was moved up and down to open and close the window provided in the door.

[0004]

However, in the above-mentioned conventional device, the other ends of the first and second wires are locked (in the state where the tension adjusting function is provided) and the first and second wires are fixed. A part that gives a predetermined function such as a guide is separate from the rail.
The entire apparatus is established by making it SSY and mounting each of these parts on the rail. Therefore, the number of parts in the entire apparatus increases, which may complicate the structure and deteriorate the number of assembling steps.

Therefore, the present invention has its technical problem to reduce the number of parts of the entire apparatus and to provide a simple window regulator device.

[0006]

[Constitution of the invention]

[0007]

The technical means taken in the present invention to solve the above-mentioned technical problem is to integrate a portion mounted on a rail to give a predetermined function to the first and second wires. That is, it has the upper and lower retainers that constitute it.

[0008]

According to the above technical means, the entire apparatus is established after the upper and lower retainers are attached to the rails to give the first and second wires a predetermined function. Therefore, the number of parts of the entire device is reduced.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1, a door 2 is formed with a window 2, and a window glass 3 is fixed to the door 1 so as to open and close the window 2.
a and the roller 3a provided on the window glass 3 are supported by the guide rail 1a so as to move up and down while being guided by the guide rail 1a. Further, inside the door 1, a window regulator device 4 for moving the window glass 3 up and down is arranged.

As shown in FIGS. 1 to 5, the window regulator device 4 includes a rail 41, a movable body 42, a drum 43, a first wire 44, a second wire 45, an upper retainer 46, and a lower retainer. And 47.

The rail 41 is an elongated member having a substantially U-shaped cross section formed with flange portions 41a which are bent and extended inwardly on both sides. Has been formed. The rail 41 is fixed by bolts 49 via brackets 48 fixed at both ends in the longitudinal direction such that the longitudinal direction thereof is the vertical direction of the door. The movable body 42 is made of resin and is fixed to the lower end of the window glass 3 with a bracket portion 42a.
And the flange 41a in the cross section of the rail 41
A shoe portion 42 movably supported in a form engaged with the
and b are integrally formed. Chew part 4
A first groove portion 50 and a second groove portion 51 on which the first wire 44 and the second wire 45 are respectively stretched are formed in 2b. The first groove portion 50 and the second groove portion 51 have a circular shape and are arranged in the thickness direction of the shoe portion 42b (vertical direction in FIG. 5).
In the form of being polymerized with each other. As shown in FIG. 6, the movable body 42 is rotatably supported by a movable bracket 60 fixed to the lower end of the window glass 3 and the movable bracket 60 by a pin 61, and first and second groove portions 50, 51. It may be composed of a roller 62 formed with. In this case, the movable body 42 is supported on the rail 41 by engagement between the guide member 63 fixed to the movable bracket 60 and the flange portion 41a of the rail 41. The drum 43 is well known and has a winding portion around which the first wire 44 and the second wire 45 are wound. The drum 43 is connected to an output shaft of a known drive mechanism 52 including a motor 52a and a speed reduction mechanism 52b. The first wire 44 is connected to the shoe part 4
It is stretched freely above the shoe portion 42b in the cross-sectional shape of the rail 41 in a form stretched in the first groove portion 50 of 2b and changed in direction by 180 °, one end of which is connected to the drum 43 as is well known. It is fixed and wound, and the other end 43a is locked to an upper retainer 47, which will be described in detail later, via a locking tool 53. Also, the drum 43 of the first wire 44
Both ends of the portion guided from are inserted into the tube 54 fixed to the drive mechanism 52 and the upper retainer 46, respectively. The second wire 45 is stretched in the second groove portion 51 of the shoe portion 42b and is changed in direction by 180 °.
In the cross-sectional shape of No. 1, it is rotatably arranged below the shoe portion 42b, one end of which is fixed and wound around the drum 43 as is well known, and the other end 45a is described later via a locking tool 55. It is locked to the lower retainer 48 described in the above.
Both ends of the portion of the second wire 45 guided from the drum 43 are inserted into a tube 56 fixed to the drive mechanism 52 and the lower retainer 47, respectively.

In the above structure, when the drive mechanism 52 is operated to rotate the drum 43 clockwise in FIG. 1,
The first wire 44 is fed from the drum 43 and the second wire 45 is wound around the drum 43 so as to be wound.
At this time, the other ends 44a, 45a of the wires 44, 45 are in a state of being locked by the upper and lower retainers 46, 47 via the locking members 53, 55, respectively, and as a result, the wires 44, 4 are
The shoe portion 42b on which the cable 5 is stretched moves downward in FIG. As a result, the movable body 42 slides downward along the rails 41, the window glass 3 moves downward along the guide rails 1a and its posture is regulated by the guide rails 1a, and the windows 2 are opened. The lower limit of the movement of the windshield 3 is the stopper body 57 provided on the lower retainer 47.
It is set by the contact between the movable body 42 and the movable body 42. When the drive mechanism 52 is operated to rotate the drum 43 counterclockwise as shown in FIG. 1, the first wire 44 is wound around the drum 43 and the second wire 45 is rotated so as to be fed out from the drum 43. . As a result, the shoe portion 42b on which the wires 44 and 45 are stretched moves upward in FIG. 1, whereby the movable body 42 slides upward along the rail 41 and the window glass 3 moves to the guide rail 1a. Along with that, the posture is regulated by the guide rail a, and the posture is moved upward, and the window 2 is closed. The upper limit of movement of the window glass 3 is set by the contact between the window glass 3 and the door 1. When the window glass 2 moves up and down, the shoe portion 42b acts as a moving pulley by the above-described rotation of the first wire 44 and the second wire 45, so that the drum 43 is rotated by a light operating force. Therefore, the drive mechanism 52 (in particular, the motor 52
a) is miniaturized.

As shown in FIGS. 2 to 4, the upper retainer 46 is made of resin and has a through hole 46a and a guide groove 46.
b, the opening hole 46c and the opening notch 46d are integrally formed. The through hole 46a is formed so as to penetrate the upper retainer 46 in the length direction (vertical direction in FIG. 2), and the through hole 46a has a flange 4 at the upper end of the rail 41.
1a and the bracket 48 are inserted, the brim portion 41a penetrates the through hole 46a, and the tip thereof is caulked. As a result, the upper retainer 46 is attached to the upper end of the rail 41 so as to close the upper edge of the rail 41. The guide groove 46b is formed so as to dig the outer surface of the upper retainer 46, and the first wire 44 guided from the drum 43 to the shoe portion 42b is guided. Opening hole 46
b is formed by digging the upper retainer 46 in its thickness direction (left and right direction in FIG. 4), and the locking tool 53 is attached thereto. As a result, the other end 44a of the first wire 44 is locked to the upper retainer 46. This opening hole 4
A spring 58 is provided between the wall of 6b and the brim of the fastener 53.
Is provided, and the locking tool 53 is urged by the spring 58 to act as slackening (tension adjustment) of the first wire 44. The opening notch 46d is formed continuously with the guide groove 46b so as to dig the outer surface of the upper retainer 46, and the tube 54 is press-fitted and fixed. The lower retainer 47 is made of resin and has a through hole 47a, a guide groove 47b, an opening hole 47c, and an opening notch 47d that are integrally formed. The through hole 47a is formed so as to pass through the lower retainer 47 in the length direction (vertical direction in FIG. 2), and the flange portion 41a at the lower end of the rail 41 and the bracket 48 are inserted into the through hole 47a. Four
1a penetrates through hole 46a, and its tip is crimped.
As a result, the lower retainer 47 is attached to the lower end of the rail 41 so as to close the lower end edge of the rail 41. The guide groove 47b is formed so as to dig the outer surface of the lower retainer 47, and is formed from the drum 43 to the shoe portion 42.
The second wire 45 guided to b is guided.
The opening hole 47b is formed by digging the lower retainer 47 in its thickness direction (left-right direction in FIG. 4), and the locking tool 55 is formed.
Is installed. As a result, the other end 45a of the second wire 45 is locked to the lower retainer 47. A spring 59 is arranged between the wall of the opening hole 47b and the brim of the locking tool 55, and the locking tool 55 is biased by the spring 59 to loosen the second wire 45 ( It acts as a tension adjustment). The opening notch 47d is formed continuously with the guide groove 47b so as to dig the outer surface of the lower retainer 47, and the tube 56 is press-fitted and fixed. The brim 4 formed on both brackets 48
Reference numeral 8a is for preventing the locking tools 53, 55 and the springs 58, 59 mounted in the opening holes 46c, 47c from coming off, and is arranged so as to extend above the opening holes 46c, 47c.

As described above, the upper and lower retainers 46, 47
The portions 46b, 46c, 4 to which tension adjustment and guide functions related to the first and second wires 44, 45, respectively, are applied.
6d, 47b, 47c and 47d are integrally formed. Therefore, the number of parts of the entire apparatus is reduced and the number of mounting steps is significantly reduced. Also, each part 46b, 46c, 46
d, 47b, 47c, 47d are upper and lower retainers 46, 47
It is effectively arranged and does not increase in size. Yottte, movable body 42
The sliding range with respect to the rail 41 is not sacrificed.

As shown in FIGS. 6 and 7, a roller 64 may be used instead of the guide groove 47b of the lower retainer 47. This roller 64 moves from the drum 43 to the roller 62.
A guide groove 64a for guiding the second wire 44 guided to is formed and is rotatably supported by the bracket 48 by the pin 65. In this case, lower retainer 4
7 is attached to the bracket 48, and the opening hole 47c into which the locking tool 55 fixed to the other end of the second wire 44 is attached is formed by escaping the roller 64 and digging the outer surface of the lower retainer 47. A guide groove 47e for guiding the other end 44a of the second wire 44 to the opening hole 47c is formed by digging the outer surface of the lower retainer 47. Note that this structure can also be adopted for the upper retainer 46.

[0017]

According to the present invention, the entire device is established after the first and second wires are given a predetermined function by mounting the upper and lower retainers on the rails. Therefore, the number of parts of the entire device can be reduced, and the number of assembling steps can be significantly reduced.

[Brief description of drawings]

FIG. 1 is a plan view of a door equipped with a window regulator device according to the present invention.

FIG. 2 is a plan view of a window regulator device according to the present invention.

FIG. 3 is a top view of FIG.

4 is a vertical cross-sectional view of FIG.

5 is a cross-sectional view of FIG.

FIG. 6 is an enlarged plan view of a main part showing another embodiment.

FIG. 7 is a bottom view of FIG.

[Explanation of symbols]

 4 Wind Regulator Device 41 Rail 42 Movable Body 43 Drum 44 First Wire 45 Second Wire 46 Upper Retainer 47 Lower Retainer 46b, 47b Guide Grooves 46c, 47c Opening Hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuaki Suzuki 2-1-1 Asahi-cho, Kariya city, Aichi prefecture Aisin Seiki Co., Ltd. (72) Inventor Go Oe 2-chome, Asahi-cho, Kariya city, Aichi prefecture Address Aisin Seiki Co., Ltd.

Claims (3)

[Claims] 1. A rail fixed to a door side, a movable body fixed to a window glass side and slidably supported on the rail, a drum rotatably supported to the door side, and one end of the drum. In a window regulator device having a first end and a second wire wound around a drum to have a movable end and the other end having a fixed end, and the movable body, the first and second wires are attached to the rail. A window regulator device having upper and lower retainers integrally forming a portion that gives a desired function to the first and second wires. 2. The function is to lock the first and second wires with the other end as a fixed end and to perform the first and second wires.
2. The window regulator device according to claim 1, wherein the upper and lower retainers are integrally formed with opening holes for adjusting the tension of the wire. 3. The function is a function of guiding and changing the direction of the first and second wires, wherein guide grooves for giving the function to the upper and lower retainers are integrally formed. Wind Regulator Device.