JPH0414629Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to an automobile window regulator device, and in particular to a weight balance device for preventing the weight of the window glass from affecting the lifting and lowering operation of the window glass. It is.

(Conventional Example) In an automobile window regulator device, a carrier plate fixed to the window glass is attached to a guide rail installed inside the door so as to be able to move up and down, and one end is fixed to the carrier plate. It consists of a pair of wires that face vertically and are wound in different directions around adjacent drums on the same axis of the drive unit, and the drums are connected to a manual handle. Alternatively, the window glass can be raised and lowered by rotating it forward and backward using a motor or the like.

When the window glass is raised or lowered, the weight of the window glass causes a difference in the operating force of the drive unit, so in order to eliminate this difference, an upward biasing force is applied to the window glass. This biasing force is applied by a spiral balance spring housed in the drum of the drive unit, which biases the drum in a direction to wind up the drive wire supporting the carrier plate. There is.

In order to reduce the operating force of the drive unit when manually raising and lowering the window glass, it is necessary to reduce the diameter of the drum around which the drive wire is wound. The balance spring for biasing the window glass upward cannot be accommodated in the drum, causing trouble in upward biasing of the window glass.

To solve this problem, there is a drive unit in which the drum for raising and lowering the wire and the balance spring for biasing the window glass upward are separated, and one example of this will be explained based on FIG. 1.

A drum 4, which is rotated by a handle 3, is pivotally connected to a support member 2 of a drive unit 1 disposed inside a door of an automobile by a shaft 5.
, one ends of drive wires 6 and 7 are wound in different winding directions. The other ends of the wires 6 and 7 are fixed to a carrier plate (not shown) fixed to a window glass, and stretched vertically.

The gear 8 fixed to the drum 4 has a gear 12 formed on the drum 11 of the weight balance device 9.
are meshing. The drum 11 is pivotally connected to the support member 2 by a shaft 13, with each end attached to the drum 11.
A balance spring 14 is installed inside the shaft 13 and the shaft 13, and the elasticity of the balance spring 14 causes the drums 11 and 4 to
are biased to rotate in the directions of the arrows, and the drive wire 6 is biased in a downward direction.

The middle portion of the wire 6 is wound around a pulley (not shown), and after changing direction, the lower end of the wire 6 is fixed to a carrier plate to urge the window glass upward. This eliminates the difference in operating force of the handle 3 when the window glass is raised and lowered.

However, if the drive section 1 is divided into the drum 4 and the weight balance device 9 as described above, and they are provided close to each other so as to engage with each other, the drive section 1 becomes large and difficult to use. When installed inside a door, there are problems such as interference with other parts inside the door.

(Purpose of the invention) The purpose of the invention is to make the weight balance device completely independent of the drive unit for lifting and lowering the window glass, so that it can be freely installed at any desired position inside the door away from the drive unit. It is an object of the present invention to provide a weight balance device for a wind regulator device for an automobile, which solves the above-mentioned problems by making it possible to do so.

(Structure of the invention) The present invention is a window regulator device in which a carrier plate fixed to a window glass is raised and lowered by appropriate means while being guided by a guide rail disposed inside the door. In,
This is a weight balance device that balances the weight of window glass, in which a winding drum is pivotally installed in a case that is fixed at a proper place in the door, and the winding drum is wound by a balance spring installed in the case. a flexible conduit having one end fixed to a case of the biasing device and the other end fixed to a guide rail; and a flexible conduit inserted into the conduit, It is characterized in that it includes a wire whose one end is wound and locked on the winding drum and whose other end is connected to the carrier plate.

(Effects of the invention) With the above-described configuration, the present invention allows the weight balance device to be completely independent of the drive unit for lifting and lowering the window glass, and to position it at a desired position inside the door away from the drive unit. As a result, the following specific effects can be achieved.

(1) Since there is no need to attach a weight balance device to the drive unit, the drive unit can be made smaller.

(2) Since the biasing device can be easily installed at any location inside the door, the layout inside the door becomes easier, and as a result, the door can be made smaller (thinner).
It can be made more compact and denser.

(3) When determining the configuration and components of the drive unit, such as the diameter of the winding drum, etc., unnecessary restrictions are no longer imposed as in the past, and the drive unit can be designed freely.

(4) It can be applied to wind regulator devices with different drive unit configurations and dimensions, and specifically, the same weight balance device can be used in different vehicle models, providing excellent versatility.

(Embodiments) Hereinafter, embodiments of the present invention shown in FIG. 2 and subsequent figures will be described.

In FIG. 2, guide portions 15a and 1 are provided on both sides.
The guide rail 15 having the guide portion 1 is disposed inside a door (not shown) of an automobile.
A carrier plate 18 is attached to a shaft 19 on sliders 16 and 17 which are slidably attached to sliders 5a and 15b.
It is pivoted by. The base of a window glass (not shown) is fixed to attachment holes 21 provided in the left and right arms 18a, 18b of the carrier plate 18.

As shown in FIG.
3 and the bases of a pair of locking members 24, 25 are pivotally connected. A flexible conduit 2 through which driving wires 26 and 27 are inserted is provided at the upper and lower portions of the guide rail 15.
The ends of the wires 9 and 31 are held by holders 32 and 33, and one end of the drive wires 26 and 27 is held by the locking members 24 and 25 as shown in FIG.
are respectively locked.

Support member 3 of the drive device 35 disposed inside the door
6, the other ends of the conduits 29, 31 are connected to the holder 3.
7,38. A drum 39 is pivotally attached to the support member 36 by a shaft 41.
The base of a manual handle 42 is fixed to the end of this shaft 41.

Around the drum 39 are driving wires 26, 2.
The other end of 7 is wound in different winding directions, and when the drive wires 26 and 27 are raised and lowered by rotating the drum 39 in the forward and reverse directions by operating the handle 42, the carrier plate 18 and the The window glass installed in the building is designed to move up and down.

In the upper part of the guide rail 15, there is a flexible conduit 4 through which a wire 43 is inserted, which is directed in a substantially vertical direction.
4 is held by a holder 32. The wire 43 is wound around the pulley 23,
Its locking side 43a is turned substantially upwardly.

At the upper part of the guide rail 15, the wire 43
A plurality of locking holes 4 are provided on a line along the locking side 43a of the
5 is drilled. The end of the wire 43
As shown in the figure, the hook 46a is fixed to the locking member 46 and is formed on the locking member 46.
One end of the wire 43 is locked to the guide rail 15 by inserting and locking it into the locking hole 45 at a proper location.

In FIGS. 2 and 4, a drum 49 housed in a case 48 of the biasing device 47 is connected to a shaft 51 formed integrally with the case 48 in the case 48.
It is pivoted to. On the circumferential surface of this drum 49,
A flexible conduit 44 whose end is secured to a case 48
A wire 43 inserted therein is locked after being wound.

A spiral balance spring 52 is housed in a recess 49a formed in the drum 49, and its inner end is fixed to the shaft 51 and its outer end is fixed to a suitable position on the inner circumference of the drum 49, respectively.

The case 48 is closed by attaching a cover 53 to the back side of the case 48.
The biasing device 47 is attached to a desired position within the door by a screw (not shown) inserted through a mounting hole 54 drilled in the door.

The drum 49 is biased by the elasticity of the balance spring 52 to rotate counterclockwise in FIG. 2, that is, in the direction in which the wire 43 is wound. It is designed to approximately balance the weight of the plate 18 and the window glass.

Thus, the guide pulley 23, wire 43, drum 49, balance spring 52, etc. form a weight balance device 50.

In the wind regulator device configured as described above, when the handle 42 is operated to move the wires 26 and 27 on the carrier plate 18 up and down, the carrier plate 18 and the window glass fixed thereto are moved. be raised and lowered.

When the window glass is raised or lowered, the window glass is urged upward by the urging device 47, so there is no difference in the operating force of the handle 42 when the window glass is raised or lowered, and the window glass is moved smoothly. be raised and lowered.

Since the biasing device 47 that biases the window glass upward is separated from the drive device 35, the drive device 3
By forming the outer diameter of the drum 39 of No. 5 to a desired small diameter, the operating force can be reduced, and the drive device 35 itself can be downsized.

Further, the biasing device 4 separated from the drive device 35
7 has a configuration in which the wire 43 is guided by a flexible conduit 44, and has a degree of freedom, such as front and rear, left and right inside the door,
It can be set in either the upper or lower position, allowing various parts to be appropriately placed inside the door.

The weight of the window glass fixed to the carrier plate 18 varies depending on the vehicle model. In the above embodiment, the end of the locking side 43a of the wire 43 is
When locking the locking member 46 in the locking hole 45 of the guide rail 15, the locking position can be selected, and the upward biasing force on the carrier plate 18 can be adjusted appropriately depending on the weight of the window glass. Therefore, it is possible to apply the same type of wind regulator device to different vehicle types, which is convenient.

Further, the wire 43 of the biasing device 47 is turned in substantially the opposite direction by the guide pulley 23 of the carrier plate 18 and is engaged with the carrier plate 18, so that the carrier plate 18 is urged upward. The elasticity of the biasing balance spring 52 can be reduced to approximately half, and there is an advantage that a spiral spring or the like with a small spring constant can be used.

Although an example has been described in which the end of the locking side 43a of the wire 43 is locked to the guide rail 15, it may also have a structure in which it is locked directly to the carrier plate 18, and even in that case, the above-mentioned locking Of course, a structure for selecting the position can be used.

As the carrier plate 18 descends from the upper limit position of the guide rail 15 to the lower limit position as shown in FIG. 2, the balance spring of the biasing device 47 tightens and the rotational force of the drum 49 increases. Therefore, there is a disadvantage that the biasing force from the biasing device 47 increases as the carrier plate 18 is positioned lower.

FIG. 6 shows another biasing device 5 that eliminates the above drawbacks.
6 is shown.

In FIG. 6, a shaft 59 is formed integrally with the case 57 in a trapezoidal recess 58 formed in the case 57. A trapezoidal drum 61, which gradually increases in size toward the end, is pivotally mounted.

The inner end of the balance spring 52 housed in the hole 61a of the drum 61 is fixed to the shaft 59, and the outer end thereof is fixed to the inner peripheral surface of the hole 61a.

The wire 43 is wound around the outer peripheral surface of the drum 61 from the small diameter part to the large diameter part, and then
The ends are fastened.

The starting point for winding the wire 43 around the drum 61 is on the small diameter side of the drum 61 when the carrier plate 18 is on the lower limit side of the guide rail 15, and when the carrier plate 18 is on the lower limit side of the guide rail 15. Sometimes, it is located on the large diameter side of the drum 61.

Therefore, even if the carrier plate 18 moves to the lower limit position and the rotational force of the drum 61 increases, the winding start part of the wire 43 will be located at the large diameter part of the drum 61. The tension of the wire 43, that is, the upward biasing force against the carrier plate 18 does not change and remains approximately constant.
The operating force of the handle 42 can be maintained constant when the window glass is raised and lowered.

The end of the wire of the biasing device that is engaged with the carrier plate is selectively locked at an appropriate position along the tension direction of the wire, so that the tension of the wire can be adjusted according to the weight of the window glass. Therefore, the same type of wind regulator device can be conveniently applied to window glasses of different vehicle types.

[Brief explanation of the drawing]

FIG. 1 is a front view showing an example of a drive unit in a conventional wind regulator device, FIG. 2 is a front view of a wind regulator device having an embodiment of the present invention, and FIG. 2, FIG. 4 is a sectional view taken along line B-B in FIG. 2, FIG. 5 is a sectional view taken along line C-C in FIG. 2, and FIG. 6 is a sectional view taken along line C-C in FIG. 2. It is a longitudinal cross-sectional view which shows another example. 15... Guide rail, 18... Carrier plate, 23... Guide pulley, 26, 27... Drive wire, 35... Drive device, 39... Drum of drive unit, 42... Handle, 43... Wire of biasing device, 45...locking hole, 46...locking member,
47... Biasing device, 49... Drum, 50... Weight balance device, 52... Balance spring,
56... energizing device, 61... drum.

Claims (1)

[Scope of utility model registration request] To balance the weight of the window glass in a wind regulator device in which a carrier plate fixed to the window glass is raised and lowered by appropriate means while being guided by a guide rail disposed inside the door. This is a weight balance device in which a winding drum is pivotally installed in a case that is fixed at a proper place in a door, and the winding drum is biased in the winding direction by a balance spring provided in the case. a flexible conduit having one end fixed to the case of the biasing device and the other end fixed to the guide rail; a flexible conduit inserted into the conduit and having one end attached to the winding drum 1. A weight balance device for a wind regulator device for an automobile, comprising a wire which is wound and locked and whose other end is connected to a carrier plate.