JPH0453756Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to an electric curtain opening/closing device for opening and closing a double curtain consisting of an outer curtain and an inner curtain by incorporating one motor into a single drive device. It is something.

[Conventional technology]

Conventionally, in order to electrically open and close double curtains hung on a pair of curtain rails, as shown in FIG. 3, an outer curtain 32a made of a thin lace curtain usually incorporates an outer curtain motor 31a. The inner curtain 32b, which is made of a relatively thick drape curtain, is opened and closed separately by a drive device incorporating a motor 31b for the inner curtain. That is, a pair of curtain rails 33
The outer curtain driven pulleys 34a, 35a and the inner curtain driven pulleys 34b, 35b are attached to both ends of the curtains a, 33b, and the outer curtain drive box 36a and the inner curtain drive box 36b are operated, respectively, not shown. An IC circuit board 37a for the outer curtain and an IC circuit board 37b for the inner curtain are housed for electric opening/closing operation by a switch, and reduction gears 38a, 38b are attached to the respective output shafts of the motor 31a for the outer curtain and the motor 31b for the inner curtain. The outer curtain drive pulley 39a and the inner curtain drive pulley 39b are connected and housed through the drive pulley 39a for the outer curtain and the drive pulley 39b for the inner curtain. An endless wire 40a is hung on the outer curtain drive pulley 39a and the outer curtain driven pulleys 34a, 35a, and an endless wire 40b is similarly hung on the inner curtain drive pulley 39b and the inner curtain driven pulleys 34b, 35b. . Each endless wire 40a, 4
Leading curtain runners 41a and 41b with opening/closing ends for curtains are attached to predetermined positions of 0b, and as the endless wires 40a and 40b move,
The opening and closing ends of the curtain move on the respective curtain rails 33a and 33b, and the outer curtain 32
A and the inner curtain 32b were being opened and closed.
That is, the outer curtain 32a was opened and closed by driving the outer curtain motor 31a, and the inner curtain 32b was opened and closed by driving the inner curtain motor 31b.

[Problem that the invention attempts to solve]

As mentioned above, conventionally, in order to electrically open and close a double curtain consisting of an outer curtain and an inner curtain, two power sources, an outer curtain motor and an inner curtain motor, were used to open and close the double curtain. In addition, installation work and wiring work are complicated, expensive equipment costs are required, and the appearance is also degraded.

Furthermore, the drive pulley is directly connected to the motor's drive shaft via a reduction gear, so if you open or close the curtain manually without knowing that it is an electric curtain, you may damage the curtain or place an abnormal load on the motor. This resulted in drawbacks such as the drive system going out of order and the curtains not opening or closing completely or even breaking.

In order to solve the above problems, the present invention is capable of opening and closing double curtains, an outer curtain and an inner curtain, using a power source of one motor through a bevel gear and two electromagnetic clutches. The object of the present invention is to provide a double-curtain electric opening/closing device which is small in size, allows curtains to be opened and closed reliably, simplifies installation work and wiring work, and reduces equipment costs.

[Means for solving problems]

In order to solve the above-mentioned problems and achieve the object of the invention, the present invention connects the drive shaft of one motor and the connecting shaft with mutually interlocking bevel gears, and connects the connecting shaft to which one of the bevel gears is attached. The shaft and two drive output shafts are connected via two electromagnetic clutches, and the inner and outer double curtains respectively arranged on a pair of curtain rails are individually moved to the two drive output shafts. The configuration is such that a power transmission means is provided for each.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings. FIG. 1 is a schematic front view of a double curtain electric opening/closing device according to the present invention, and FIG. 2 is a schematic side view of the driving device.

In FIG. 2, 1 is a motor in which a reduction gear 2 is attached to a drive shaft 3, a bevel gear 4a is provided at the end of the drive shaft 3, and a connecting shaft 5 is connected to the bevel gear 4a in a direction perpendicular to the drive shaft 3. They are connected via an engaging bevel gear 4b. A drive output shaft 8,
9 is connected. Drive pulleys 10 and 11 are attached to one end of the two drive output shafts 8 and 9, respectively, and each electromagnetic clutch 6 and 7 is attached to the other end of the coupling shaft 5.
The drive output shafts 8 and 9 are separated from each other to cut off power transmission. Drive output shaft 8
An endless rope 12 for the outer curtain is hung from a drive pulley 10 attached to the right end of the drive pulley 10, and an electromagnetic clutch 6 for the outer curtain is disposed at the left end. In addition, a drive pulley 11 attached to the left end of the drive output shaft 9 has an endless rope 1 for an inner curtain.
3 is hung, and an electromagnetic clutch 7 for the inner curtain is provided at the right end. Each electromagnetic clutch 6,
Lead wires 6a and 7a are led out from 7 to be connected to an IC circuit board 15 for automatically controlling an electric opening/closing device that connects and disconnects the electromagnetic clutches 6 and 7 housed in the drive box 14.

As shown in FIG. 1, each drive pulley 10, 11
and each driven pulley 16a, 16b, 17a, 17b
Endless ropes 12 for outer curtains 18 respectively.
and an endless rope 13 for the inner curtain 19, and lead curtain runners 20, 21 with curtain opening/closing ends 18a, 19a hung at predetermined portions of each endless rope 12, 13 are respectively attached. As the ropes 12 and 13 move, the curtain opening/closing ends 18a and 19a move on the curtain rails 22 and 23, respectively, to open and close the outer curtain 18 and the inner curtain 19. The drive pulleys 10, 11, the endless ropes 12, 13, and the driven pulleys 16a, 16b, 17a, 17b constitute a power transmission means.

The IC circuit board 15 includes a control circuit for connecting and separating the electromagnetic clutches 6 and 7 and supplying signals for transmitting or interrupting the drive of the motor 1 to the drive pulleys 10 and 11. Commands to the circuit are given by the operation switch 24.

Next, the operation of the double curtain electric opening/closing device according to the present invention configured as described above will be explained. First, when the operation button for closing the outer curtain of the operation switch 24 is pressed, an operation signal is input to the IC circuit board 15, the motor 1 is started, the electromagnetic clutch 6 is connected, and the motor 1 is driven by the drive pulley for the outer curtain 18. 10, and the outer curtain 18 is fully closed. When the outer curtain is fully closed, the motor 1 is automatically stopped by a signal from a rotation detection device (not shown) of the motor 1, and conduction to the electromagnetic clutch 6 for the outer curtain 18 is automatically cut off. , the electromagnetic clutch 6 is disengaged and the transmission of power from the motor 1 to the drive pulley 10 for the outer curtain 18 is interrupted. Further, when the outer curtain opening operation button of the operation switch 24 is pressed, the outer curtain 18 moves in the opposite direction, and the full opening operation is performed in the same manner as described above. Similarly, the opening/closing operation of the inner curtain 19 is performed by pressing the inner curtain open (or close) operation button of the operation switch 24.
starts, the electromagnetic clutch 7 for the inner curtain 19 conducts and connects, and power is transmitted from the motor 1 to the drive pulley 11 for the inner curtain 19.
The inner curtain 19 is fully opened (or fully closed).

When the curtain is fully opened (or fully closed) and when the operation switch 24 stops power supply to the motor 1 to stop driving the motor 1, the conduction of current to the electromagnetic clutches 6 and 7 is cut off, and the electromagnetic clutches 6 and 7 are in a separated state, and each drive pulley 10, 11 and bevel gear 4b are free, and each curtain 1 can be easily moved by hand.
8 and 19 can be opened and closed without applying any load to the motor 1.

Although the above embodiments have been shown as examples, the present invention is not limited thereto, and it goes without saying that the design can be changed as appropriate without departing from the gist of the present invention.

[Effect of idea]

Since the present invention is configured as described above, it has the following effects.

That is, a double curtain consisting of an outer curtain and an inner curtain is opened and closed by a single drive device comprising a power source of one motor, two drive pulleys connected through a bevel gear and two electromagnetic clutches. Because of this structure, it is possible to reduce the size of the device, and the opening and closing operations can be performed reliably over a long period of time without slipping.
Moreover, unlike conventional methods, the installation location for the drive unit is only one, so it does not require a large space, and the installation and wiring work is simplified.In addition, equipment costs are low, maintenance is easy, and curtain equipment The appearance of the curtain has also been improved, and since the clutch is placed on the drive shaft that transmits the motor drive to the pulley, it has many benefits as a curtain opening/closing device. It has the following.

[Brief explanation of the drawing]

FIG. 1 is a schematic front view of a double curtain electric opening/closing device showing an embodiment of the present invention, FIG. 2 is a side view of the driving device, and FIG. 3 is a schematic front view of a conventional double curtain electric opening/closing device. It is a diagram. 1...Motor, 4a, 4b...Bevel gear, 5
... Connection shaft, 6 ... Electromagnetic clutch for outer curtain, 7 ... Electromagnetic clutch for inner curtain, 8 ...
Outer curtain drive output shaft, 9...Inner curtain drive output shaft, 10...Outer curtain drive pulley, 11...Inner curtain drive pulley, 12...
... Endless rope for outside curtain, 13 ... Endless rope for inside curtain.

Claims (1)

[Claims for Utility Model Registration] (1) A drive shaft of one motor and a connecting shaft are connected by a bevel gear that meshes with each other, and the connecting shaft to which one of the bevel gears is attached and two drive output shafts are connected. are connected via two electromagnetic clutches, and each of the two drive output shafts is provided with a power transmission means for individually moving the inner and outer double curtains respectively arranged on a pair of curtain rails. A double curtain electric opening/closing device featuring: (2) The power transmission means includes driven pulleys attached to the ends of the pair of curtain rails, drive pulleys attached to the two drive output shafts, and a drive pulley between the drive pulley and the driven pulley. The double curtain electric opening/closing device according to claim 1, which is characterized by comprising a hanging endless rope.