JP2525668Y2 - Electric curtain equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric curtain device, and more particularly to an electric curtain device which can be opened and closed for a specially shaped window having a curved surface, such as a rear window for an automobile.

[0002]

2. Description of the Related Art Conventionally, a rear window of a sedan type vehicle has a substantially trapezoidal shape in design and is provided with an inclined and curved window, so that a curtain for such a window can be simultaneously opened and closed both vertically and vertically. Is required. Further, in such a case, since there is a difference in dimensions between the upper part and the lower part, it is necessary to make the moving amounts different in each case so that the opening and closing are performed simultaneously. For example, Japanese Unexamined Utility Model Publication No. Sho 59-148686. Discloses an example in which two motors are arranged for that purpose.

[0003]

However, arranging drive motors for moving the upper end and the lower end of the curtain, as in the above-described conventional example, requires space and complicates the structure. , And costly things.

An object of the present invention is to pay attention to such a conventional problem, and to provide an electric motor suitable for a trapezoidal window such as a rear window for a vehicle, which is more reliable at a lower cost, ensures reliable operation, and requires less space for mounting. An object of the present invention is to provide a curtain device.

[0005]

In order to achieve this object, the present invention separates two sets of runners, including a top runner, which are disposed along the upper and lower portions of a substantially trapezoidal window. The upper rail and the lower rail having two parallel grooves for guiding, and the sprockets provided at both ends of the upper rail and the lower rail.
An endless belt which is guided through parallel grooves of the strip and in which the two top runners are respectively fixed in the individual grooves, and a rotation transmission for connecting between sprockets provided at the same side end of the upper rail and the lower rail. Means, and one drive motor for rotating the rotation transmitting means forward and reverse, and by changing the number of teeth of the sprockets driven via the rotation transmitting means,
The two top runners are moved at different speeds in opposite directions via the belt, and the curtain can be simultaneously opened and closed right and left through the top runners.

[0006]

According to the present invention, the upper and lower sprockets can be simultaneously rotated by one drive motor via the rotation transmitting means, and the upper and lower endless belts can be moved at different speeds due to the difference in the number of sprocket teeth. Two top runners attached to different positions of the endless belt that move along the two parallel grooves allow simultaneous opening and closing of the left and right curtains by simultaneous movement in different directions, and are trapezoidal like a rear window of a car. Further, an electric curtain device suitable for a curved window curtain can be provided.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.

FIG. 1 shows a portion surrounded by a dashed line in FIG. FIG. 2A schematically shows the overall configuration in that area, and FIG. 3 schematically shows the configuration of a portion relating to the lower rail so as to be easily understood. FIG. It is a side view of the up-down connection drive part K shown to 2 (A). 1 and 2, 1 is an upper rail, 2 is a lower rail, and these rails 1 and 2 are shown.
Guide means for opening and closing the curtain 3 to the left and right are provided as described later, and driving means for simultaneously moving the curtain 3 along the upper and lower rails 1 and 2 along one side surface of the rear window 4 are provided. Provided.

First, for the sake of easy understanding, an outline of the overall configuration will be described with reference to FIGS. 2A, 2B and 3. FIG. As shown in these figures, the upper rail 1 and the lower rail 2 are provided with sprockets 5A, 5B and 6A, 6B at both ends thereof, respectively.
Endless timing belts 7 and 8 between A and 6B
Is stretched. The sprockets 5A and 6A are connected by a flexible shaft 9 as shown in FIG.
Are driven simultaneously. However, since the moving distance of the curtain 3 which is opened and closed from the center to both sides is different between the upper rail 1 and the lower rail 2, the upper and lower ends always coincide when the opening and closing are completed. The diameter and the number of teeth are set between the sprockets 5A and 6A so as to come to the position.

The top runner to which the upper and lower ends of the curtain 3 are attached is moved by the timing belts 7 and 8 along the upper rail 1 and the lower rail 2 as described above, and is shown in FIGS. The details of the configuration related to the lower rail 2 according to (E) will be described.

In FIG. 3, reference numerals 12 and 13 denote top runners for guiding the curtain 3 when the curtain 3 is opened and closed, reference numeral 14 denotes a free runner that follows the top runner 12 when the curtain 3 expands and contracts, and reference numeral 15 denotes a free runner that also follows the top runner 13. is there. Further, a belt 16 is attached to the timing belt 8 in order to prevent the timing belt 8 from sliding on the inner surface of the rail 2, and the guide roller 16A of the belt 16 rolls along the rail surface 2A or 2B. It is a guide member.

Subsequently, the cross sections at R1 and R2 in FIG. 3 are shown as (A) and (B) in FIG. 4, and the cross sections at R3 and R4 are shown as (C) and (D) in FIG. A cross section at R5 is shown as (E) in FIG. As shown in FIGS. 4A to 4D, both the top runners 12, 13 and the free runners 14, 15 are provided with two vertical rails provided on the upper rail 2 (hereinafter referred to as frame rails). Rollers that roll while being held by 20A and 20B (hereinafter referred to as curtain rollers)
21. 22A is the top runner 1
Hook holes for curtain hooks drilled in 2, 13;
B is a hook hole for a curtain hook formed in the free runners 14 and 15, and 12A and 13A are guide rollers for the top runner.

FIGS. 5A and 5B show the construction of the curtain driving section of the curtain device of the present invention, and FIG. 5A is an enlarged view of a portion indicated by an arrow E in FIG. FIG. 5B is a cross-sectional view taken along the line II of FIG. FIG.
In (A), 30 is a magnet clutch for the motor 10, and in (B), 31 is a cord hole for motor wiring. In these figures, FIG.
3A shows the curtain 3 in the expanded state, whereas the curtain 3 is shown in a contracted state, and accordingly, the plurality of free runners 14 and the top runner 1 are shown.
3 is gathered at one end of the lower rail 2.

FIG. 6A is an enlarged view of a portion indicated by an arrow F in FIG. 2B, that is, the upper curtain rail 1 and its driving part (B) are taken along the line II-II of FIG. It is sectional drawing. In these figures, 1A and 1B correspond to the rail surfaces 2A and 2B of the lower rail 2, and 100A and 100B correspond to the frame rails 20A and 20B of the lower rail 2. Further, the top runner and the free runner are the same as those of the lower rail 2, and thus the description thereof is omitted.

In the electric curtain device constructed as described above, for example, when the curtain 3 is extended, that is, closed from both sides, the motor 10 is driven to rotate the sprocket 6A clockwise as viewed from above as shown in FIG. At the same time, the timing belt 8 is moved in the direction of the solid arrow C to bring the top runners 12 and 13 into contact with each other at the center of the lower rail 2.
By rotating the upper sprocket 5A via the flexible shaft 9 (see FIG. 2B), the belt 7 is moved in the same direction along the upper rail 1, whereby the curtain 3 can be closed at the same time vertically. In this case,
The outer ends of both the left and right curtains 3 are removably attached by, for example, an adhesive tape (for example, magic tape (trade name)) (not shown) provided on both sides of the rear window 4. When the curtain 3 is retracted to both sides and opened, it is only necessary to rotate the motor 10 in the opposite direction and move the timing belt 8 in the direction of arrow O in FIG.
Thereby, the free runner 14 and the top runner 13 can be brought into the state shown in FIG. 5B, and the upper rail 1 can be brought into the state shown in FIG. 6B.

[0016]

As described above, according to the present invention, two sets of runners including a top runner and arranged along the upper and lower portions of a substantially trapezoidal window are guided to another set. Upper and lower rails having parallel parallel grooves and sprockets provided at both ends of the upper and lower rails are guided through the two parallel grooves, respectively. An endless belt to which each is fixed, a rotation transmitting means for connecting between sprockets provided at the same side end of the upper rail and the lower rail, and one drive motor for rotating the rotation transmitting means forward and reverse. Have,
By changing the number of teeth between the sprockets driven via the rotation transmission means, the two top runners are moved at different speeds in opposite directions via the belt, and the curtain is simultaneously moved left and right via the top runners. Since the door can be opened and closed, the curtain can be simultaneously opened and closed along curtain rails provided above and below the window by one drive motor. In addition, even if the vertical dimensions are different, such as the rear window of a car, and the window itself is curved, the moving speed at the time of opening and closing can be changed so that quick and orderly opening and closing can be performed. It can be provided at a low cost as a curtain device driven by electric power.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which the present invention is mounted on a vehicle.

FIG. 2 is an explanatory diagram showing the electric curtain device of the present invention by a top view (A) of an overall configuration example and a side view (B) of a K portion in FIG.

FIG. 3 is an explanatory view schematically showing a configuration related to a lower rail according to the present invention;

FIG. 4 is a sectional view taken along line R1-R5 in FIG.
It is a state diagram of each runner each shown as (E).

FIG. 5 is a detailed view showing the configuration of the drive unit of the present invention by a cross-sectional view (A) and an arrow view (B) viewed from the line II in (A).

FIG. 6 is a detailed view showing the configuration of the drive connecting portion of the upper rail according to the present invention by a cross-sectional view (A) and an arrow view (B) taken along line II-II of (A).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Upper rail 1A, 1B rail surface 2 Lower rail 2A, 2B rail surface 3 Curtain 4 Rear window 5A, 5B, 6A, 6B Sprocket 7,8 Timing belt 9 Flexible shaft 10 Motor 11 Gear train 12,13 Top runner 14,15 Free runner 16 Belt guide member 20A, 20B Frame rail 21 Curtain roller 100A, 100B Frame rail

Claims (1)

(57) [Scope of request for utility model registration] An upper rail and a lower rail disposed along upper and lower portions of a substantially trapezoidal window and having two parallel grooves for guiding two sets of runners including a top runner to another set. Guided between the sprockets provided at both ends of the upper rail and the lower rail via the two parallel grooves, respectively.
An endless belt to which the two top runners are respectively fixed in the respective grooves; a rotation transmitting means for connecting between sprockets provided at the same side end of the upper rail and the lower rail; And a single drive motor for rotating the two top runners at different speeds in opposite directions via the belt by changing the number of teeth of the sprockets driven via the rotation transmitting means. The electric curtain device wherein the curtain can be opened and closed simultaneously to the left and right via the top runner.