JPH1061308A - Window regulator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively prevent backlash of a window pane in its longitudinal and thickness directions by using a small number of part items. SOLUTION: This window regulator includes a guide rail 16 attached to a door, a sliding member 17 freely slidably guided by the guide rail 16, and a carrier plate 19 mounted on the sliding member 17 to hold a window pane. The sliding member 17 is provided with a first flexible sliding element 17c that slides on the inner bottom surfaces 16a, 16b of the guide rail 16 and a second flexible sliding element 17d that slides on one inside surface 16c of the guide rail 16, and energizing members 18a, 18b are provided for energizing the sliding elements 17c, 17d toward the surfaces 16b, 16c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window regulator capable of effectively preventing backlash of a window glass.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4A, for example, as a window regulator for an automobile, carrier rollers 4,..., Provided on a window glass 3 by guide rails 2, 2 provided on a door 1. 4 is guided vertically. (See Japanese Utility Model Publication No. 5-13615)

In the above window regulator, the upper ends of the X-shaped lift arm 5 and the synchronous arm 6 are connected to the window glass 3.
And the lower end of the synchronization arm 6 is slidably attached to the arm bracket 8 of the door 1.

[0004] The sector gear 9 at the lower end of the lift arm 5 is engaged with the pinion 10 and the pinion 10 is rotated manually or electrically, whereby the lift arm 5 is rotated about the fulcrum 11 and the window glass is rotated. 3 is raised and lowered. As shown in FIG. 4B, in order to prevent the window glass 3 from rattling in the front-rear direction and the thickness direction and generating abnormal noise, as shown in FIG.
And the outer diameter D1 of the carrier roller 4 are matched with each other, and the depth W2 of the guide rail 2 is
May be made equal, that is, the gap may be set to zero.

[0005]

However, since parts such as the guide rail 2 and the carrier roller 4 vary in dimensions W1, W2, D1, and D2 due to processing tolerance, it is difficult to reduce the processing tolerance. Although it is possible to reduce the sliding resistance, there is a problem that the sliding resistance is increased, and if the processing tolerance is widened, the sliding resistance can be reduced, but the rattling is increased.

For this reason, in the prior art shown in FIG. 4B, the carrier roller 4 is fixed to a shaft 12 fixed to the window glass 3, and a cushion material 13 is elastically deformed inside the carrier roller 4, and the carrier roller 4 is elastically deformed. Cushion material 13
Is provided so as to cover the cushion material 13.
The cap 14 is made to slide on the inner bottom surface of the guide rail 2 via the. According to this conventional technique, it is possible to prevent the window glass 3 from rattling in the thickness direction and generate abnormal noise, but it is not possible to prevent rattling in the front-back direction. Also,
Carrier roller 4, cushion material 13, and cap 14
The above three parts are required, and the parts cost increases.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problem, and has as its object to provide a window regulator which can effectively prevent back and forth of the window glass in the front-rear direction and the thickness direction with a small number of parts. Is what you do.

[0008]

To solve the above-mentioned problems, the present invention provides a guide rail attached to a door,
A sliding member slidably guided by the guide rail; and a carrier plate attached to the sliding member to hold the window glass, and the sliding member slides on the inner bottom surface of the guide rail. A first flexible slider;
A flexible second slider that slides on one inner surface of the guide rail is provided, and a biasing member that biases each slider in the direction of each surface is provided. And a window regulator.

According to the present invention, the first slider of the sliding member is urged and slid on the inner bottom surface of the guide rail by the urging member, so that the sliding member is located on the inner upper surface of the guide rail. Since it is pressed, the window glass does not rattle in the thickness direction. In addition, the sliding member is pressed against the other inner surface of the guide rail by urging the second slider of the sliding member against the one inner surface of the guide rail with the urging member to slide the sliding member. The window glass does not rattle in the front-back direction.

The urging member may be constituted by a metal bow spring plate. With this configuration, the durability of the biasing member is improved by the metal spring plate.

According to a third aspect of the present invention, the sliding member is made of a synthetic resin, and the first slider and the second slider are provided integrally with the sliding member. it can. According to this configuration, the respective sliders of the sliding member can be easily formed integrally with each other, and the cost of the parts can be reduced because the sliding member and the urging member may be composed of two parts. Further, the first slider is provided separately from the sliding member, and the hook-shaped leg of the first slider is engaged with the hook hole of the sliding member, so that the first slider is slid. The first slider is vertically movably hooked by the moving member, and the first slider holds the urging member of the first slider and the second slider so as not to come off. Configuration can be adopted. With this configuration, it is possible to use the first slider to hold not only the biasing member of the first slider but also the biasing member of the second slider so as not to come off.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. The parts having the same configuration and operation as those of the prior art in FIG. 4 are denoted by the same reference numerals, and detailed description is omitted.

As shown in FIG. 1, the guide rail 16 provided on the door 1 has a bottom surface 16a, a concave bottom surface 16b recessed at the center of the bottom surface 16a, and side surfaces 16c rising from both sides of the bottom surface 16a. , 16c and this side 1
Upper surface 16 bent inward from each end of 6c, 16c
d, 16d, the inner width between the side surfaces 16c, 16c of the guide rail 16 is W3, and the concave bottom surface 16
The depth between b and the upper surface 16d is W4, and the depth between the bottom surface 16a and the upper surface 16d is W5.

The synthetic resin sliding member 17 slidably guided by the guide rail 16 includes a mounting portion 17a for the carrier plate 19, and a pair of front and rear attached guide portions 17b rising from the mounting portion 17a. 1
7b, a flexible first slider 17c that curves upward from one guide portion 17b, and a flexible second slider 17d that curves laterally from one side surface of the holding portion 17a. Is formed. Guide portions 17b, 1 of the sliding member 17
The outer width of 7b is D3, and the thickness of the guide portions 17b, 17b is D5. A metal carrier plate 19 is fixed to the mounting portion 17a of the sliding member 17 with bolts, nuts, fitting claws, or the like.
The window glass 3 is fixed and held by bolts and nuts. Note that the sliding member 17 may be outsert to the carrier plate 19 and integrally fixed thereto.

The sliding member 17 and the guide rail 16
The dimensional relationship between the guide members 17b and 17
b is the outer width D3 of the side surface 16c, 16
c is set to be slightly smaller than the inner width W3, and a guide portion 17b on one side (left side in the figure) and a second slider 17 on the other side are set.
The outer width D6 of the top of d is the side surface 16 of the guide rail 16.
c, 16c are set to be equal to or slightly wider than the inner width W3.

Further, the guide portions 17b, 1 of the sliding member 17 are provided.
7b is set to be slightly smaller than the depth W5 of the bottom surface 16a and the top surface 16d of the guide rail 16, and the thickness D7 of the tops of the guide portions 17b, 17b and the first slider 17c is set to be equal to the guide rail. The depth W4 is set to be equal to or slightly greater than the depth W4 of the concave bottom surface 16b and the upper surface 16c of the sixteen.

A first bow-shaped spring plate 18a made of metal is interposed between a concave portion 17g on the upper surface of the mounting portion 17a of the sliding member 17 and a lower surface of the first slider 17c. Due to the spring plate 18a, the first slider 17c comes into contact with the inner concave bottom surface 16b of the guide rail 16 by spring force and slides. Also, the mounting portion 1 of the sliding member 17
A second spring plate 18b having the same shape as the first spring plate 18a is inserted into the slit 17e of the second spring 7a.
Due to the spring plate 18b, the second slider 17d comes into contact with one inner side surface 16c (the right side in the drawing) of the guide rail 16 by spring force and slides.

With the above construction, the first slider 17 of the sliding member 17 is usually provided on the inner concave bottom surface 16b of the guide rail 16.
c comes into contact with the spring force of the first spring plate 18a, and the lower surface of the guide portions 17b, 17b of the sliding member 17 is pressed against the inner upper surfaces 16d, 16d of the guide rail 16 by the reaction force. The window glass 3 does not rattle in the thickness direction. Further, the second slider 17d of the sliding member 17 comes into contact with one inner side surface 16c of the guide rail 16 by the spring force of the second spring plate 18b, and the guide portions 17b, 17b of the sliding member 17 are reacted by the reaction force. Is pressed against the other inner surface 16 c of the guide rail 16, so that the window glass 3 together with the sliding member 17 does not rattle in the front-rear direction.

Therefore, the first and second sliders 17c and 17d of the sliding member 17 can prevent the window glass 3 from rattling in the front-rear direction and the thickness direction at the same time, so that no noise is generated. In addition, the first and second flexible sliders 17 are provided.
Since only c and 17d are urged by the first and second spring plates 18a and 18b, the sliding resistance is small. Further, the first and second sliders 17c and 17d are integrally formed on the sliding member 17, and the first and second spring plates 18a and 18b can be of the same shape. 17 and the spring plates 18a and 18b, so that the cost of parts is reduced.

Further, since the sliding member 17 is made of a synthetic resin, the respective sliders 17c and 17d can be easily formed integrally, and the metal spring plates 18a and 18b have good durability. The rattling of the window glass 3 can be effectively prevented over a long period of time.

When a large load in the thickness direction acts on the sliding member 17 together with the window glass 3, the first slider 17c and the first spring plate 18a tend to bend greatly in the thickness direction. Guide portions 17b, 17 of moving member 17
Since the upper surface of b is brought into contact with the inner bottom surface 16a of the guide rail 16 and the stop is applied, further bending is prevented. Similarly, when a large load is applied in the front-rear direction, the second slider 17d and the second spring plate 18b tend to bend greatly in the front-rear direction.
Since one side of b and 17b abuts against one inner side 16c of the guide rail 16, a stop is applied, so that further bending is prevented.

As shown in FIGS. 2A and 2B, the first slider 17c is not integrally formed with the one guide portion 17b of the sliding member 17, but the first slider 17c having a separate π shape is formed separately. The first slider 17c is provided with a hook-shaped leg 17f, 1
Hook holes 17h, 17 with 7f drilled in mounting part 17a
h, the first slider 17c is hooked so as to be able to move up and down. The first spring plate 18a allows the separate first slider 17c to contact the inner bottom surface 16a of the guide rail 16 with spring force. It may be made to slide.

In this case, since the first slider 17c is hooked on the mounting portion 17a of the sliding member 17, the first slider 17c
The spring plate 18a is held by the first slider 17c so as not to come off, and the first slider 17c is horizontally elongated and extends above the slit 17e.
The second spring plate 18b of 7d is also held by using the first slider 17c so as not to come off.

FIG. 3 shows a modified example. As in FIG. 2, the hook-like legs 17f, 17f of the separate π-shaped first slider 17c are provided.
Hook hole 17h, 1 with 17f drilled in mounting part 17a
7h, the first slider 17c is hooked so as to be vertically movable. The other side surface of the mounting portion 17a is also provided with a second slider 17d 'curving sideways, while the first spring plate 18a and the pair of second spring plates 18 are provided.
b, 18b 'are integrally formed by punching, and the first spring plate 18a allows the separate first slider 17c to come into contact with the concave bottom surface 16b of the guide rail 16 by spring force and slide. I have. Also, the second spring plates 18b, 18
b 'allows the second sliders 17d, 17d' to contact the inner surfaces 16c, 16c of the guide rail 16 with spring force and slide.

[0025]

As is clear from the above description, the window regulator of the present invention provides a window glass by urging the first slider of the sliding member to slide on the inner bottom surface of the guide rail. Is prevented from rattling in the thickness direction and the second regulator of the sliding member is urged to slide on one inner surface of the guide rail, so that the window regulator does not rattle in the front-rear direction. In addition, the backlash of the window glass in the front-rear direction and the thickness direction can be prevented at the same time, and no abnormal noise is generated. In addition, since only the flexible slider is urged by the urging member, the sliding resistance is reduced.

Further, when the urging member is formed of a metal bow spring plate, the durability of the urging member is improved by the metal spring plate, and the window glass is formed over a long period of time. The rattling can be effectively prevented.

According to a third aspect of the present invention, when the first slider and the second slider are provided integrally with a synthetic resin sliding member, each sliding member of the sliding member is provided. The moving element can be easily formed integrally, and two parts of the sliding member and the urging member (the same urging member can be used) can be used. Further, according to claim 4, the first
The slider is provided separately from the sliding member, the hook-shaped leg of the first slider is engaged with the hook hole of the sliding member, and the first slider can be moved up and down by the sliding member. And the biasing member of the first slider and the biasing member of the second slider are held by the first slider so as not to come off. By using this, not only the urging member of the first slider but also the urging member of the second slider can be held so as not to come off.

[Brief description of the drawings]

FIG. 1 is a sliding member of a window regulator according to a first embodiment of the present invention, where (A) is a perspective view and (B) is a cross-sectional view.

FIG. 2 is a sliding member according to a second embodiment, in which (A) is a perspective view and (B) is a cross-sectional view.

FIG. 3 is a perspective view of a modification of the sliding member.

4A is a front view of a conventional automotive window regulator, and FIG. 4B is a sectional view of a guide rail and a carrier roller.

[Explanation of symbols]

 Reference Signs List 1 door 3 window glass 16 guide rail 16a inner bottom surface 16b inner concave bottom surface 16c inner side surface 16d inner upper surface 17 sliding member 17c first slider 17d second slider 18a, 18b spring plate 19 carrier plate

Claims (4)

[Claims] A guide rail attached to the door;
A sliding member slidably guided by the guide rail; and a carrier plate attached to the sliding member to hold the window glass, and the sliding member slides on the inner bottom surface of the guide rail. A first flexible slider;
A flexible second slider that slides on one inner surface of the guide rail is provided, and a biasing member that biases each slider in the direction of each surface is provided. And window regulator. 2. The window regulator according to claim 1, wherein the biasing member is a metal bow spring plate. 3. The sliding member according to claim 1, wherein the sliding member is made of a synthetic resin, and the first slider and the second slider are provided integrally with the sliding member. The described window regulator. 4. The first slider is provided separately from the sliding member, and a hook-shaped leg of the first slider is engaged with a hook hole of the sliding member. The first slider is hooked so as to be able to move up and down, and the biasing member of the first slider and the biasing member of the second slider are held by the first slider so as not to come off. The window regulator according to any one of claims 1 to 3.