JPH0528124B2 - - Google Patents

Description

[Detailed Description of the Invention] "Object of the Invention" a. Field of Industrial Use The present invention relates to an automatic lifting device for blinds, curtains, etc. b. Prior art Blinds and curtains are not manually rolled up and hung with strings. In this way, the tied strings are tied and the tied strings are released to allow the blinds and curtains to hang down, but there is no automatic lifting and lowering device that mechanically performs these operations.

c Problems to be solved by the invention Decimal blinds and short curtains can be raised and lowered manually, but workers are required, and raising and lowering a large number of blinds and horizontally long curtains requires a large number of workers. Since it requires a worker and is almost impossible to raise and lower at the same time, it is not possible to create a solemn performance in religious ceremonies.

"Structure of the Invention" a Means for Solving the Problems A bobbin that is driven and rotated by a DC motor is mounted on a frame, and a switch pressing rod is mounted horizontally on the frame below the bobbin so that it can freely slide back and forth and up and down. A limit switch that is activated by being pressed by a switch press rod is attached to the frame, a string is wound around the bobbin, the release side is brought into contact with the switch press rod, and the end of the string is pulled up to the desired length and placed in place. By attaching it to the wall to form a U-shaped loose part, and suspending blinds, curtains, etc. from the relaxed part, raising and lowering was automated.

b. Effects and Examples When the DC motor is rotated in the normal direction, the bobbin rotates, and the U-shaped slack portion formed on the release side of the string expands, causing the bamboo blinds, curtains, etc. to hang down. When the DC motor is reversed, the bobbin rotates in the opposite direction, the loosened part contracts, and the blinds, curtains, etc. are rolled up.

Embodiments of the present invention will be described below based on the drawings. As shown in FIGS. 1 and 2, a frame 1,
A DC motor 2 is installed on top of the DC motor 2.
A pulley shaft 3a is mounted below the pulley shaft 3a, and a belt 4 is hung over the pulley 3 and the drive shaft 2a of the DC motor 2, and a pinion gear 5 is fitted near the end of the pulley shaft 3a. A bobbin 6 is rotatably mounted below the pulley shaft 3 a across the frames 1 , 1 , and a gear 6 b is fixed to one of the flanges 6 a of the bobbin 6 to mesh with the pinion gear 5 . ,7
wind it. Horizontally long holes 8, 8 are bored in the frames 1, 1 below the pivot position of the bobbin 6, and a first switch press rod 9 is horizontally suspended between the horizontally long holes 8, 8. A limit switch 10 that closes the circuit when pressed is fixed to the frame 1. Further, vertical holes 11, 11 are formed in the frames 1, 1 below the horizontal position of the first switch pressing rod 9.
A second switch pressing rod 12 is horizontally placed between the vertical holes 11, 11, and a limit switch 13 is fixed to the frame 1, which is pressed by the second switch pressing rod 12 to close the circuit. The free sides of the two strings 7, 7 wound around the bobbin 6 are rubbed against the first switch press rod 9 and the second switch press rod 12, and then suspended, and furthermore, a board on which the frames 1, 1 are erected. 1
The thread guides 14, 14 are inserted into the thread guides 14, 14 so as to be movable up and down, and the hanging strings 7, 7 are inserted thereinto, and the movable balls 15, 15 are respectively inserted into the strings 7 at a position directly below the thread guide 14 so as to be movable up and down. A fixed ball 17 is fixed to the string 7 below the ball 15 at a position approximately equal to the length of the ring 16, and buffer springs 18 and 18 are loosely inserted between the movable ball 15 and the fixed ball 17, respectively, to form a U-shape. It is constructed by suspending the mount 16 by two strings 7, 7 that hang down in a shape. As another embodiment of the present invention, as shown in FIGS. 3 and 4, a frame 1,
L-shaped elongated holes 19, 19 are bored below the pivot position of the bobbin 6, which is horizontally suspended across the length of the bobbin 1.
9 and 19, and when the switch press rod 20 is pressed by the thread path 14 that moves upward by the pressure of the movable ball 15, it moves upward, actuating the limit switch 10, and driving the DC motor. 2 stops rotating, and when the string 7 hangs down and the limit switch 16 extends, the string 7 relaxes and the load applied to the switch press rod 20 is released, causing contact between the switch press rod 20 and the limit switch 13. is released and becomes inoperable, and the rotation of the DC motor 2 is stopped. In addition, in order to raise and lower a large number of robots 16 at the same time, as shown in FIG.
Two connectors 22, 22 are attached to the elevating unit 21 housed inside, and the connectors 22, 22 provided on the adjacent towers 16, 16 are connected, respectively, and the connector 22 provided on the end tower 16 is connected. A controller 23 is connected to the controller 23, and each lifting unit 21 is controlled simultaneously by the operation of the controller 23, so that all the lifts 16 are raised and lowered at the same time. Although not shown, the DC motor 2 is an AC motor.
Direct current from 100V power supply via transformer and rectifier
The voltage is set to 12V, and a central OFF switch is connected between the rectifier and the DC motor 2 to rotate the DC motor 2 in forward and reverse directions. In addition, as another example, as shown in FIG.
One of the strings 7 is suspended from pulleys 25, 25 provided at both ends of the mounting plate 24, and the string 7 is suspended from the end of the mount 16, and both strings 7, 7 are used to hold the mount 16. Both ends are suspended stably. Although not shown, it is also possible to install a sensor at a suitable location on the frame 1, and when a human figure is detected, the bobbin 6 rotates to wind up the shaft 16 so that a person can pass through.

``Effects of the Invention'' Since the present invention is constructed as described above, when the DC motor 2 rotates in the normal direction, the bobbin 6 rotates, and the strings 7, 7 hang down to smoothly hang the ring 16 suspended in the form of a scroll. When the hanging is completed, the length of the U-shaped slack part of the strings 7, 7 is made slightly larger than the hanging length of the rope 16, so the strings 7, 7 are relaxed and the first
The contact between the switch press rod 9 or the switch press rod 20 and the limit switch 10 is released, and the rotation of the DC motor 2 is stopped. When the DC motor 2 is reversed by operating the central OFF switch, the hanging strings 7, 7 are wound around the bobbin 6, gradually winding up the thread 16, and the fixed ball 17 fixed to the string 7 pulls the spring 18. The movable ball 15 pushes up the thread path 14 through the movable ball 15, and the thread path 14 pushes up the second switch pressing rod 12 or the switch pressing rod 20.
In order to push up and press the operating piece of the limit switch 13, the rotation of the DC motor 2 is surely stopped.
The shrine 16 is wound into a scroll. When a large number of towers 16, curtains, etc. are arranged in a row in the horizontal direction, if the DC motor 2 of the lifting unit 21 attached to each tower is rotated in forward and reverse directions by the operation of the controller 23, many Because the curtains and curtains can be raised and lowered all at once, it is possible to skillfully create a solemn atmosphere in places such as religious ceremonies. In addition, by changing the attachment position of the ends of the strings 7, 7, the length of the loosened part can be set arbitrarily, so the winding mechanism 16 can be stopped at any desired winding position. The length of the string 7 can be adjusted. Further, as another application example of the present invention, instead of displaying men's and women's clothing, clothes hung on hangers can be automatically raised and lowered to stimulate the desire to purchase.

As described above, the present invention is an excellent and useful invention that has a strong and durable structure, is reliable in operation, and is easy to manufacture.

[Brief explanation of the drawing]

FIG. 1 is a partially sectional front view showing an embodiment of the present invention, FIG. 2 is a left side view of the same, FIG. 3 is a partially sectional front view showing another embodiment, and FIG. 4 is a left side view of the same, and FIG. 5
The figure is a front view showing an embodiment in which a continuous train can be raised and lowered at once, and FIG. 6 is a cutaway front view of a main part showing another embodiment used for a horizontally long train. 1... Frame, 2... DC motor, 6... Bobbin, 7... String, 8... Horizontal oblong hole, 9... First switch pressing rod, 10, 13... Limit switch,
11...Vertical elongated hole, 12...Second switch pressing rod,
14... Thread path, 16... Master, 19... L-shaped long hole, 20... Switch press rod.

Claims (1)

[Claims] 1. A bobbin that is driven and rotated by a motor is mounted on a frame, and a switch pressure rod is horizontally mounted on the frame below the bobbin so as to be able to slide back and forth and up and down, and a limit switch that is activated by being pressed by the switch pressure rod is attached to the frame. Then, wind the string around the bobbin, bring the release side into contact with the switch pressing rod, hang it below the frame to the desired length, and then pull up the end of the string and fix it in place to form a U-shaped slack part. A blind made by suspending a blind, a curtain, etc. at the relaxed part,
Automatic lifting device for curtains, etc.