JPH1088901A - Device for opening and closing door through remote control - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve trouble with pet lovers and to enable the door of a room or the like to be easily opened and closed through remote control even from a bed without the need for approaching windows, when the aged, the sick, or the disabled desire to open or close the door. SOLUTION: This device has, on a machine frame 4 secured to the face of a door, a screw-equipped operating rod 5 driven by a remotely controllable geared motor 6 and a feed nut 7 fitted around the screw-equipped operating rod 5, a prop 8 is secured to the nut 7, and a hook bar 9 with a hook 9a at its end is coupled parallel to the prop 8. By providing the hook bar 9 with a hook operating device 10, the hook 9a at the hook end can be locked to and unlocked from a loop 9b provided on a stile 3, and an electronic control unit 12 provided on the machine frame 4 is operated by a remote control device 13 to operate the geared motor 6 and the hook operating device 10 to rotate the screw-equipped operating rod 5 back and forth to move the nut 7, thereby opening and closing a door 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for remotely opening and closing a door.

[0002]

2. Description of the Related Art A sliding door is generally opened and closed by hand operation. However, because of the weight, when a small animal such as a domestic cat goes outside, the cat cannot open and close by itself. Therefore, in ordinary households, whenever a cat wants to go outside, a person stands and opens and closes each time. But the frequency is relatively high,
Moreover, there were nights in and out, and opening and closing the door was very troublesome for the owner.

[0003] There has not yet been an instrument for eliminating such annoyance. Therefore, a device that can easily open and close the door by remote control even while sitting is desired.

[0004]

SUMMARY OF THE INVENTION The present invention provides a device which can meet such a demand and has a simple structure, and is not limited to solving the inconvenience of pet lovers. An object of the present invention is to provide a device which can be easily opened and closed by a remote control operation even from a bed when a sick person or a physically handicapped wants to open and close a door of his / her room or the like, without having to approach each window.

[0005]

SUMMARY OF THE INVENTION On a machine frame 4 fixed to the surface of a door, a threaded operating rod 5 driven by a remotely operable geared motor 6 and a threaded operating rod 5 are provided. A hook rod 9 having a feed nut 7 to be screwed in, a rod 8 fixed to the nut 7, and a hook 9a at a tip parallel to the rod 8;
And a hook actuating device 10 is provided on the hook bar 9 so that the hook 9a at the tip of the hook and the hook 9b provided on the vertical frame 3 can be disengaged.
By operating the electronic control device 12 provided on the machine frame 4 to operate the geared motor 6 and the hook operating device 10, the nut 7 is rotated by forward and reverse rotation of the threaded operating rod 5.
To open and close the door 2. Further, the electronic control unit 12 is separated from the machine frame 4 and is installed at a position different from the door, so that the drive unit can be made compact.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 1 denotes a remote door opening and closing device (hereinafter simply referred to as an opening and closing device) according to the present invention. The opening and closing device 1 is a device that is attached to the upper left corner of the door 2 (sliding door in the figure) and opens the left door to the right. 1 'indicated by a virtual line is a device for opening the right door to the left (either left or right is selectively used). Hereinafter, the left device will be described. The door 2 is retracted from the vertical frame 3 by transmitting a radio wave from the remote controller 13 (FIG. 2A) to drive the geared motor 6 of the opening / closing device 1 and rotating the threaded operating rod 5. Let open.

The details of the switching device 1 will be described below with reference to FIG. FIG. 2A is a front view of the opening / closing device 1, in which the door is closed, FIG. 2B is the same open state, and FIG. 3 is the open state in FIG. Hook stick 9
Indicates a state in which is stored. FIG. 4 is a view taken in the direction of the arrow A in FIG. 2 (a), and FIG. 5 is a view showing a hook device, in which a hook 9a in FIG. 2 (a) is viewed from below. In FIG. 2A, reference numeral 4 denotes a machine frame of the opening / closing device 1, which is fixed to the upper left corner of the door 2 with a screw or an adhesive.

FIG. 2A shows a state in which the door 2 is closed.
Is in contact with the vertical frame 3. The machine frame 4 includes a mounting board 4a to be mounted on the inner side surface of the door 2, and a pair of left and right support plates 4b, 4b rising perpendicular to the mounting board 4a. As a matter of course, in the finished product, the machine frame 4 is covered by a cover plate (not shown).

Reference numeral 5 denotes a threaded operating rod, and a pair of support plates 4b,
4b, the vicinity of both ends is rotatably supported. One end of the threaded operating rod 5 is connected to the output shaft of the geared motor 6. Although not shown, the geared motor 6 and other driving power sources may be general household power sources or batteries. A feed nut 7 is screwed into the screw 5a of the threaded operating rod 5. An extension rod 8 is fixed to the upper portion of the feed nut 7. A support rod 8 'is fixed to the feed nut 7 on the opposite side of the rod 8, and a hook rod 9 parallel to the rod 8 is connected to a rear end of the feed nut 7 via a connecting portion 11. Hook rod 9 as shown in FIG.
Has a hook 9a at one end thereof, which is engaged with a hook 9b fixed to the vertical frame 3 side. That is, when the door 2 is closed, the hook operating device 10 provided with a solenoid or the like provided on the substrate 4a is operated to lower the hook rod 9 to lock the hook 9a to the hook 9b (arrow a in FIG. 4). Except when the door 2 is closed, the hook 9a at the tip of the hook bar 9 and the hook 9b are released. The other end of the hook bar 9 is integrally connected to an end of the extension bar 8 at a connecting portion 11.

A remote controller 13 is provided on a substrate 4a of the machine frame 4.
A control device 12 for receiving a signal from (FIG. 2A) and controlling ON / OFF of the geared motor 6 or the hook operating device 10 and the like and a wiring (not shown) are provided. 14
a and 14b are limit switches provided on the substrate 4a.
When the contact provided on the feed nut 7 comes into contact with this, the motor 6 stops. The distance L to be opened (see FIG. 2B) is determined by the distance between the limit switches 14a and 14b. The control device 12 can be separated from the machine frame 4 and installed at a position different from the door, for example, at a wall. This makes it possible to make the drive unit more compact.

Reference numeral 15 denotes a hook switch attached to the support plate 4a, and reference numeral 16 denotes a switch operating piece attached to the feed nut 7. When the door is closed, the switch operating piece 16
When the contact is made, the solenoid in the hook operating device 10 is excited via the hook switch 15. Then, the hook 9a is engaged with the hook 9b by pulling the hook bar.

(Operation) Opening the door: a) An instruction is given by operating the remote controller 13. The geared motor 6 is started via the control device 12. At this time, the hook operating device 10 is left as it is, and the hook 9a is connected to the hook 9b.
And free. b) When the threaded operating rod 5 is rotated at a fixed position by the activation of the gear motor 6, the feed nut 7 screwed with the screw of the operating rod 5 moves to the left in FIG. At this time, since the tip of the staying rod 8 hits the vertical frame 3 and the staying rod 8 cannot move, when the feed nut 7 moves to the left, the opening and closing device 1 is opened.
The door 2 is pushed back in the direction opposite to the moving direction of the feed nut 7 and is opened (FIG. 2B). Thus, the door 2 closed as shown in FIG. 2A moves to the position of the limit switch 14a as shown in FIG. 2B and is opened by the distance L, and the geared motor 6 stops. Small animals such as cats can enter and exit from the gap L. Alternatively, indoor ventilation can be performed. c) When the state shown in FIG. 2B is reached, the geared motor 6 rotates in the reverse direction while the hook operating device 10 remains, and the feed nut 7
To the right side of FIG. 2 (b). Then, the extension rod 8 and the hook rod 9 move rightward together with the feed nut 7. The feed nut 7 moves to and stops at the position of the limit switch 14b, and the extension rod 8 and the hook rod 9 are retracted as shown in FIG. Therefore, there is no obstacle between the door 2 and the vertical frame 3. In this case, if there is no need to store, it may be left as it is.

2. Closing the door: a) When closing the door 2 from the state of FIG. 3, the remote controller 13 instructs the controller 12 to close. Then, the geared motor 6 is started, and the feed nut 7 is moved leftward in FIG. Then, the stay rod 8 and the hook rod 9 move to the left and stop at the limit switch 14a. At this time, the switch operating piece 16 contacts the switch 15 and the hook operating device 10
The built-in solenoid is excited, the hook bar 9 is lowered, and the hook 9a at the tip is hooked on the hook 9b. b) When the hook rod 9 is pulled down and the hook 9a is engaged with the hook 9b, the geared motor 6 is started by the control device 12, and the threaded operating rod 5 is rotated in the opposite direction to the release, and the feed nut is turned. 7 is moved in the opposite direction (right) from the release. Then, the hook bar 9 juxtaposed with the stay bar 8 is connected to the vertical frame 3 via the hook 9a.
The door 2 is pulled in the closing direction (left) and closed. Then, it stops at the position of the limit switch 14b (FIG. 2A). c) When the door 2 is closed, the hook operating device 10 is released and the hook 9a is disengaged to be free.

3. Normal time: hook 9a and hook 9
Since the engagement with b is released, the door 2 can be freely opened and closed manually. As can be seen from the above description of operation, the position of the threaded operating rod 5 to which the extension rod 8 and the hook rod 9 are attached is fixed, and when opened, it is opened by the extension of the extension rod 8, and when closed, the hook is used. The rod 9 is integrated with the vertical frame 3 and the door 2 is
It is designed to be closed by pulling to the side.

(Application Example) The above-mentioned example was developed for the purpose of making a gap for entering and exiting small animals by remote control. However, the present invention is not limited to a sliding door, but a push-up type, a one-sided type or a double door type door. Alternatively, the present invention can be applied to the opening and closing of windows at high places such as a factory, and is not limited to a sliding door type. If you want to open and close the right door in FIG.
By configuring the opening / closing device 1 'differently, it is possible to easily cope with it.

[0016]

According to the first aspect of the present invention, the door can be opened to a desired width by remote control, and the door can be easily opened and closed when desired by not only small animals but also the elderly, sick or disabled persons. it can. The electronic control unit 12 allows the stay rod 8 and the hook rod 9 to be pulled back toward the door 2 and stored at all times, so that it is convenient without getting in and out. Also, a battery can be provided on the substrate 4a as a power source, or can be obtained from a household power source, which is convenient.

[Brief description of the drawings]

FIG. 1 is a front view of a state in which a door with an opening / closing device is closed.

2A is a closed state of the opening / closing device, and FIG.

FIG. 3 shows a state where a door is opened and a stay rod is stored.

FIG. 4 is a view taken in the direction of arrow A in FIG.

5 is an explanatory view of the operation of the hook rod 9 and the hook operating device 10, and is a view of the hook 9a in FIG. 2 (a) viewed from below.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Opening / closing device 2 Door 3 Vertical frame 4 Machine frame 4a Substrate 4b Support plate 5 Threaded operating rod 6 Geared motor 7 Nut 8 Extension rod 8 'Supporting rod 9 Hook rod 9a Hook 9b Hooking tool 10 Hook operating device 11 Connecting part 12 Control device 13 Remote control device 14a, 14b Limit switch 15 Switch 16 Switch operating piece

Claims (2)

[Claims] 1. A threaded operating rod (5) driven by a remotely controllable geared motor (6) on a machine frame (4) fixed to a surface of a door, and the threaded operating rod. Feed nut screwed into (5)
(7), a hook rod (8) is fixed to the nut (7), and a hook rod (9a) is provided at the tip in parallel with the rod (8).
(9) are connected via a support rod (8 '), a hook operating device (10) is provided on the hook rod (9), and a hook (9a) at the tip of the hook and a hook ( 9b) and the electronic control unit (12) provided on the machine frame (4) by the remote control unit (13)
To operate the geared motor (6) and the hook operating device (10). The nut (7) is moved by rotating the threaded operating rod (5) in the forward and reverse directions, thereby moving the door (2). A remote opening and closing device for a door, characterized by opening and closing a door. 2. The remote door opening and closing device according to claim 1, wherein the electronic control unit is separated from the machine frame.