KR20030097569A - Door operating equipment - Google Patents

Abstract

The present invention relates to an apparatus for automatically opening and closing a door of a sliding opening / closing method, comprising: a fixing rail having a rail part provided along an opening and closing direction of an upper side of a door, and a magnet fixing groove formed along a sliding guide surface of the rail part; A movable slider coupled to an upper part of the door and capable of reciprocating sliding along a rail of the fixed rail, wherein a magnet fixing groove is formed on a sliding surface in contact with the sliding guide surface of the fixed rail; At least one permanent magnet fixedly coupled to the magnet fixing groove of the fixed rail and the magnet fixing groove of the movable slider so that the same poles face each other; And a pair of drive pulleys rotatably installed at both upper end regions of the fixed rail, a drive belt coupled to the pair of drive pulleys, a forward and reverse drive motor for forward and reverse rotation of one of the drive pulleys, and one end coupled to the drive belt. And a driving unit having a connecting member coupled to the movable slider at the other end thereof. According to this, the door can be easily opened and closed with a small power, and in particular, it is possible to reduce the space in the upper and both door frames in which the small and light forward / reverse drive motors are built, so that the interior walls of apartments, houses, malls or high-rise buildings The thickness can be reduced.

Description

DOOR OPERATING EQUIPMENT}

The present invention relates to a door automatic opening and closing device, and more particularly, to automatically open and close the door of the sliding opening and closing method installed in the interior living room or porch of the apartment or multi-family house, the front door of the mall, or the entrance of the high-rise building. Relates to a device.

A device that automatically opens or closes a sliding door or sliding door generally includes a configuration in which a sensor detects an approach of a human body or other object, and a stationary motor driving the door opens or closes the door based on a detection signal of the sensor. Have 5 is a partial cutaway perspective view of a door in which the conventional door automatic opening and closing device is installed. As can be seen in this figure, the door 111 is opened and closed to move left and right along the plate direction in the state that the upper edge is accommodated in the upper door frame 110 installed on the ceiling of the room, both door frame 115 Its restraint movement is limited.

The conventional door automatic opening and closing device 120 is installed in the upper door frame (110). In the lower region of the upper door frame 110, the movement guide rails 121 are provided in the horizontal direction, and pulleys 123a and 123b are provided in the upper both corner regions thereof. The pair of pulleys (123a, 123b) is coupled to the electric belt 125, the pulley (123b) of one side is coupled to the drive shaft of the forward and reverse drive motor (130). A coupling member 127 is coupled to the transmission belt 125, and a door hanger 113 fixed to an upper edge of the door 111 is fixedly coupled to the coupling member 127.

Meanwhile, reference numeral 140, which is not described in the drawings, is a control unit for controlling the driving of the forward / reverse drive motor 130 based on a detection signal from a sensor not shown, and 135 is a limiting excessive opening / closing movement of the door 113. It's a stopper.

In this configuration, the control unit 140 applying the detection signal from the detection sensor rotates the pulley 123b in the direction of opening the door 111 by driving the forward and backward drive motor 130. Then, when the detection signal from the detection sensor is no longer applied, the control unit 140 drives the forward and backward driving motor 130 in the reverse direction to automatically close the door 111.

By the way, in the conventional door automatic opening and closing device 120, a large power is required to open and close the large and heavy door 111, thereby inevitably the upper portion for the built-in large capacity forward and reverse drive motor 130 and Since the interior spaces of both side door frames 110 and 115 must be formed wide, there is a problem that the interior space of an apartment or a multi-family house is reduced.

Particularly, in the construction of a building, when the upper and both door frames 110 and 115 for the automatic door opening and closing device 120 are provided in the interior wall, the thickness of the interior wall is inevitably increased. Recently built buildings have a thickness of 13 cm, which is applied to install the automatic door opening and closing device (120), thereby, a consumer who prefers a small flats or houses with a large indoor space recently It becomes their complaint.

Since the conventional automatic door opening and closing device must also be provided with a large capacity forward and backward drive motor 130, the installation cost of the automatic door opening and closing device 120 increases, while the power consumption is large, maintenance costs There is a growing problem.

Therefore, the object of the present invention, in view of the conventional problems, the door can be easily opened and closed with a small power by reducing the load of the door by the repulsive force of the magnet, thereby reducing the installation cost and power consumption It is to provide an automatic opening and closing device.

Another object of the present invention is to adopt a small-capacity power generating unit, that is, a driving motor to reduce the mounting space in the upper and both door frames, to reduce the thickness of the interior wall during new construction of the building, etc. It is to provide an automatic door opening and closing device that can reduce the cost of construction while at the same time forming the interior space of an apartment or a house or a mall or a high-rise building as wide as possible.

1 is a front view of an automatic door installed with an automatic door opening and closing device according to the present invention;

Figure 2 is an enlarged exploded perspective view of Figure 1, showing the door automatic opening and closing device in more detail,

3 is a side view taken along line III-III of FIG. 2;

Figure 4 is a partially enlarged cross-sectional view of Figure 2, showing a state in which the guide roller of the present invention is installed, and

Figure 5 is a perspective view of the state of the conventional door opening and closing device open the cover.

<Description of the symbols for the main parts of the drawings>

1: Automatic door opening and closing device 3: Upper door frame

6: door 10: fixed rail

12: magnet fixing groove 14: roller guide

20: movable slider 30: moving roller

33: connecting member 40: driving part

41: drive pulley 45: forward and reverse drive motor

50: emergency power supply 60: guide roller

70, 73: permanent magnet 80: stopper

The object is, according to the present invention, in the device for automatically opening and closing the sliding door, having a rail portion provided along the opening and closing direction of the door on the upper side of the door, the magnet fixing groove along the sliding guide surface of the rail portion A fixed rail which is formed; A movable slider coupled to an upper portion of the door and capable of reciprocating sliding along a rail portion of the fixed rail, and having a magnet fixing groove formed on a sliding surface in contact with the sliding guide surface of the fixed rail; At least one permanent magnet fixedly coupled to the magnet fixing groove of the fixed rail and the magnet fixing groove of the movable slider so that the same poles face each other; And a pair of drive pulleys rotatably installed at both upper end regions of the fixed rail, a drive belt coupled to the pair of drive pulleys, a forward and reverse drive motor for forward and reverse rotation of one of the drive pulleys, and one end thereof. It is achieved by a door automatic opening and closing device configured to include a drive unit coupled to the drive belt and the other end having a connection member coupled to the movable slider.

Here, when the plurality of permanent magnets are continuously disposed on at least one side of the magnet fixing groove of the fixed rail and the magnet fixing groove of the movable slider, the load of the door coupled to the movable slider can be greatly reduced, so that the movable slider More smooth sliding movement can be achieved.

And, the forward and reverse drive motor is driven by the supply power from the outside; When the power supply from the outside is cut off, it is preferable to further comprise an emergency power supply for supplying emergency power to the forward and reverse drive motor.

The automatic door opening and closing device further includes a movement guide part recessed along a longitudinal direction on the lower surface of the door; And installed on the bottom facing the lower surface of the door in the standing direction so as to receive the movement guide portion, the opening and closing movement of the door may further include a guide roller for guiding.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention;

1 is a front view of an automatic door installed with an automatic door opening and closing device according to the present invention. As can be seen from this figure, the automatic door opening and closing device 1 is an upper door frame for accommodating an upper edge of the door 6. It is provided in (3) similarly as described with reference to FIG. 5 of the prior art. The upper door frame 3 has a front cover 4 to openly block its front surface. And, both sides of the upper door frame (3) is provided with both side door frames to limit the opening and closing movement of the door (6) to prevent separation.

FIG. 2 is a partially enlarged exploded perspective view of FIG. 1, which illustrates the present automatic door opening and closing device, and FIG. 3 is a side view taken along line III-III of FIG. 2. As can be seen from these drawings, the automatic door opening and closing device 1 of the present invention is a fixed rail 10 provided in a horizontal direction, a movable slider 20 which can slide along the fixed rail 10, and a movable slider ( 20 is provided with a drive unit 40 for sliding movement. Here, the emergency power supply unit 50 and the guide roller 60 for guiding the sliding movement of the door 6 is further included.

The fixed rail 10 includes a fixed plate portion 19 fixedly coupled to the inner wall surface of the upper door frame 3, a rail portion 11 and a roller guide provided in parallel with the fixed plate portion 19 in a direction orthogonal to each other. The part 14 is provided. The rail part 11 is provided horizontally in the opening / closing movement direction of the door 6 in the upper door frame 3, and the roller guide part 14 is provided in parallel with the upper side of the rail part 11. As shown in FIG. The roller guide part 14 is provided with a guide protrusion 15 along its longitudinal direction, and the moving roller 30 of the movable slider 20 to be described later in detail is coupled.

The rail portion 11 has a plurality of magnet fixing grooves 12 recessed in its sliding guide surface. The plurality of magnet fixing grooves 12 are provided along the longitudinal direction of the sliding guide surface, and the permanent magnet 70 is fixedly installed in the magnet fixing groove 12. The permanent magnet 70 may have a thickness of 0.5 cm, a width of 1.5 cm, and a length of 2 cm, for example, and the ND permanent magnet 70 of this size may be continuously disposed in the magnet fixing groove 12. Although it may be, considering the economical aspect, it is preferable to provide a space of about 0.5 cm. The magnet fixing groove 12 is blocked by the stainless plate member 13 coupled to the upper portion thereof, whereby the external separation of the magnets 70 can be prevented.

The stopper 80 is also coupled to the fixed rail 10 laterally at both ends of the rail 10 in the longitudinal direction of the rail portion 11. These stoppers 80 are in contact with both side surfaces of the movable slider 20, as will be described later in detail, whereby excessive opening and closing movement of the movable slider 20 is limited.

On the other hand, the movable slider 20 can be configured by properly bending the rectangular plate-like body, the center portion is bent relative to the plate surface to surround the rail portion 11 and the roller guide portion 14 in the front of the fixed rail (10). It is recessed. The lower edge of the movable slider 20 is coupled to the upper part of the door 6 via a separate connecting member 33. On the upper edge of the movable slider 20, moving rollers 30 are provided on both inner surfaces thereof. These moving rollers 30 mesh with the guide protrusions 15 of the roller guides 14 of the fixed rail 10, and are movable in the upper surface thereof.

On the inner surface of the bent center portion of the movable slider 20, a magnet mounting table 25 having a sliding surface corresponding to the sliding guide surface of the fixed rail 10 is coupled. The magnet mounting table 25 and the movable slider 20 can be simply fixedly coupled by welding or a plurality of rivets. A magnet fixing groove is formed in the sliding surface of the magnet mounting table 25 along its longitudinal direction. A plurality of ND permanent magnets 73 are accommodated in the magnet fixing groove. Here, in the magnet fixing groove on the side of the movable slider 20, it is important that the poles of the permanent magnets 73 accommodated therein are arranged such that the poles such as the permanent magnets 70 installed on the fixed rail 10 face each other. Do.

In addition, it is preferable to permanently place the permanent magnet 73 in the magnet fixing groove on the movable slider 20 along its longitudinal direction, which is a constant distance like the magnet fixing groove 12 of the fixed rail 10. By placing the permanent magnets 73 in order to solve the problem that the shaking phenomenon occurs in the portion where the magnetic force does not reach the movement of the movable slider (20). As described above, the magnet 73 is continuously disposed in the magnet fixing groove on the movable slider 20 side, and the magnet 70 is disposed at regular intervals on the fixed rail 10 side. Magnets can be continuously arranged on the side) and arranged at regular intervals on the movable slider 20 side. It is a matter of course that the magnets can be continuously arranged on both sides.

The magnet fixing groove on the movable slider 20 side is also blocked by the stainless plate member 13, similarly to the magnet fixing groove 12 on the fixed rail 10 side. As a result, the magnets accommodated therein are fixed to the outside.

On the other hand, the driving unit 40 is a driving pulley (41) and idle pulleys (42) which are respectively installed in the upper end areas of the fixed rail (10), the driving belt coupled to these driving pulleys (41) and idle pulleys (42). 43) and a forward and reverse drive motor 45 for rotating the drive pulley 41 in the forward and reverse directions. The drive unit 40 further includes a coupling member 49 whose upper portion is coupled to the drive belt 43 in a hinge shape and the lower portion is coupled to an upper edge of the movable slider 20. Here, the forward and reverse drive motor 45 rotates the drive pulley 41 in the forward and reverse directions by the power supplied from the outside.

An emergency power supply unit 50 is provided below the stationary drive motor 45. The emergency power supply unit 50 can be simply configured to include a battery pack or the like used for a rechargeable battery or a power tool. When the power supply from the external power supply unit (not shown) is interrupted, the power supply to the forward / reverse drive motor 45 is applied. It serves to supply. The forward / reverse drive motor 45 rotates the drive pulley in the forward / backward direction based on the detection signal of the human body detection sensor (not shown). Here, it is of course possible to further include a control unit 51 for controlling the operation of the forward and backward drive motor 45 by applying a detection signal from the human body sensor.

On the other hand, the lower surface of the door 6 coupled to the movable slider 20, as can be seen in Figure 4, the movement guide portion recessed inward along the longitudinal direction is formed. And the guide roller 60 of a standing direction is provided in the floor which opposes the lower surface of the door 6. As shown in FIG. The guide roller 60 is accommodated in the movement guide 61 of the door 6, whereby the door 6 can perform a smooth opening and closing movement by the guide of the guide roller 60.

In the present automatic door opening and closing device 1 having such a configuration, the movable slider 10 is driven by the repulsive force of the permanent magnets 70 and 73 installed on the fixed rail 10 and the movable slider 20 so that the same poles face each other. The sliding surface of the fixed rail (10) to maintain the (floating) state with respect to the sliding guide surface. Therefore, since the large and heavy doors 6 are also disposed in a floating state that can be slid smoothly, they can be easily opened and closed using a small forward / reverse drive motor 45.

This small capacity forward and backward drive motor 45 can be purchased at a relatively low price, and can also reduce power consumption. The forward / reverse drive motor 45 having a small capacity can also be reduced in size and weight, thereby reducing the mounting space in the upper door frame 3. As a result, the interior space of an apartment or a single house can be formed more widely. On the other hand, the thickness of the interior wall is also reduced, which is very advantageous.

Meanwhile, in the above-described and illustrated embodiments, only the example in which the automatic door opening and closing device 1 is installed indoors has been described. However, the same operation as described above is widely applied to windows of buildings or other sliding doors or windows. And of course it can provide an effect.

As described above, according to the present invention, it is possible to reduce the power for opening and closing the door by using a permanent magnet to reduce the installation cost and power consumption by adopting a small capacity forward and reverse drive motor, in particular, to reduce the capacity By adopting a miniaturized, lightweight forward / reverse drive motor, the space in the upper and both side door frames where the forward / reverse drive motor is built can be greatly reduced, and the thickness of the interior wall can be reduced from 13 cm to about 5 cm in new construction work. As a whole, an automatic door opening and closing device is provided that can form not only an apartment or a house but also an indoor space of a mall or a high rise building as much as possible.

Claims (4)

In the device for automatically opening and closing the door 6 of the sliding opening and closing method, The upper side of the door 6 has a rail portion 11 provided along the opening and closing direction of the door 6, the fixed magnet 12 is formed along the sliding guide surface of the rail portion 11 Rail 10; It is coupled to the upper portion of the door 6 is capable of reciprocating sliding along the rail portion 11 of the fixed rail 10, the magnet fixing groove is formed on the sliding surface in contact with the sliding guide surface of the fixed rail 10 Movable slider 20; At least one permanent magnet (70, 73) fixed to the magnet fixing groove (12) of the fixed rail (10) and the magnet fixing groove of the movable slider (20) so that the same poles face each other; And A pair of drive pulleys 41 rotatably installed at both upper end regions of the fixed rail 10, a drive belt 43 coupled to the pair of drive pulleys 41, and either one of the drive pulleys ( 41 and a drive unit 40 having a forward and reverse drive motor 45 for forward and reverse rotation, and a connection member 49 having one end coupled to the drive belt 43 and the other end coupled to the movable slider 20. Automatic door opening and closing device configured. The method of claim 1, The door is characterized in that the plurality of permanent magnets (70, 73) are continuously disposed on at least one side of the magnet fixing groove 12 of the fixed rail 10 and the magnet fixing groove of the movable slider (20). Automatic switchgear. The method according to claim 1 or 2, The forward and reverse drive motor 45 is driven by a supply power from the outside; When the external power supply is cut off, the automatic door opening and closing device further comprising an emergency power supply unit 50 for supplying emergency power to the forward and reverse drive motor (45). The method of claim 3, A movement guide 61 recessed in a longitudinal direction on a lower surface of the door 6; And It is further provided with a guide roller 60 which is installed in the standing direction so as to be accommodated in the movement guide portion 61 on the bottom facing the lower surface of the door 6 to guide the opening and closing movement of the door (6). Automatic door opening and closing device characterized in that.