KR100610366B1 - Equipment opening and shutting automatic door - Google Patents

Abstract

The present invention relates to an apparatus for automatically opening and closing various doors.

The present invention is fixedly installed in the longitudinal direction in the upper portion of the plate for this purpose, the frame 10 is formed with a guide protrusion to move the roller; First, second, and third brackets fixed to the frame at predetermined intervals, the shafts being arranged on the brackets and rotated forward and backward by driving of one motor; First and second liners 30 and 31 respectively installed on an outer circumferential surface of the shaft and narrowed to each other when the shaft rotates forward and at the same time, respectively; The control unit 40 which is provided at one side of the frame and controls the operation of each component and the doors 70 and 71 provided at the lower end by the left and right movement of the first and second liners are opened and closed mutually, The provided second and third flanges are provided between the lower ends of the first and second liners and the upper ends of the doors, and the first and fourth flanges provided with rollers on one side are fixed to the upper ends of the doors.

According to the present invention configured as described above, when the shaft is rotated forward and backward by driving of a motor, various doors (for example, a screen screen door, a subway door, a general entrance, and a liner installed on the outer circumferential surface of the shaft move left and right). Door, etc.) to easily open and close, and structurally improve the precision and quality of the automatic door opener, eliminating the problem of delayed operation due to frequent failures when opening and closing the door, and also close the door When people get stuck, it detects this and prevents accidents of passengers, which greatly improves the reliability of the product so that consumers can plant a good image.

Liner, automatic door opener.

Description

Automatic door opening and closing device {EQUIPMENT OPENING AND SHUTTING AUTOMATIC DOOR}             

1 is a block diagram showing an automatic door opening and closing device applied to the present invention,

        (a) shows the door closed;

        (b) shows an open door.

FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1 (a). FIG.

Figure 3 is a block diagram of a liner applied to the automatic door opening and closing device of the present invention,

        (a) is a front sectional view of the liner,

        (b) is a plan sectional view of the liner,

        (c) is a side cross-sectional view of the liner,

Figure 4 illustrates a bearing provided inside the liner of the present invention,

        (a) shows a state in which the shaft rotates in the forward direction,

        (b) shows a state in which the shaft rotates in the reverse direction.

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

1: plate 10: frame

20 to 23: first to fourth flanges 30 and 31: first and second liners

41: motor 42: shaft

50 to 52: first to third bracket 64: switch

The present invention relates to an automatic door opening and closing device, and more particularly, when the shaft is rotated forward and backward by driving of a motor, various doors (for example, a screen screen (platform screen door), It is to make it easy to open and close subway (train) doors, general entrance doors, etc.), and structurally improves the precision and quality of automatic door openers and doors. In addition, it detects people's accidents when the door is closed and prevents accidents of passengers, which greatly improves the reliability of the product, allowing consumers to plant good images.

As is well known, the automatic door opening and closing device is generally a well-known technique, and conventionally consists of a technical configuration such as a belt type, a screw type, an air type, and the like.

The conventional technology is a simple structure or a complex configuration, the simple configuration of the technology has caused a problem that the automatic door opening and closing device does not operate correctly and smoothly, the complex configuration of the production cost The rise, the loss of productivity, and the inoperable condition after a long time caused a problem of being very complicated to replace and repair. As a result, frequent problems occurred when the door was opened and closed, resulting in a delayed operation of the subway.

The present invention has been made to solve the above problems of the prior art, and when the shaft is rotated forward and backward by the driving of the motor, the liner installed on the outer peripheral surface of the shaft moves from side to side, and various doors (for example, a screen door (platform) screen door), subway (train) door, general entrance door, etc.) easy to open and close, the second purpose is to structurally improve the precision and quality of automatic door opener This is to solve the problem of delayed operation due to frequent failures when opening and closing the door.The third purpose is to detect when a person gets stuck when the door is closed, and to prevent passenger safety accidents. It provides automatic door opening and closing device that greatly improves reliability and enables consumers to plant good images.

In order to achieve the above object, the present invention provides an automatic door opening and closing device, which is fixedly installed in a longitudinal direction on an upper portion of a plate, and has a guide protrusion formed to move a roller; First, second, and third brackets fixedly installed at predetermined intervals on the frame, and the shafts are installed in the brackets and rotated forward and backward by driving of one motor; First and second liners which are respectively installed on the outer circumferential surface of the shaft and narrowed to each other when the shaft rotates forward and to the left and right, respectively; Is provided on one side of the frame to control the operation of each component and the doors provided at the bottom by the left and right movement of the first and second liners are opened and closed mutually, the second and third flanges provided with a roller on one side The first and fourth flanges provided between the lower end of the first and second liners and the upper end of the door and provided with a roller on one side provide an automatic door opening and closing device, which is fixedly installed on the upper end of the door.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention for achieving this purpose are as follows.

Automatic door opening and closing device applied to the present invention is configured as shown in Figures 1 to 4.

In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

The following terms are terms set in consideration of functions in the present invention, which may vary depending on the intention or custom of the producer, and their definitions should be made based on the contents throughout the specification.

According to the present invention, when the shaft is rotated forward and backward by the driving of the motor, the first and second liners installed on the outer circumferential surface of the shaft move left and right, and various doors (for example, a screen screen, a subway (train) door, and a general entrance) Door, etc.) to easily open and close the specific technical configuration thereof is as follows.

First, the present invention is fixedly installed in the longitudinal direction on the upper portion of the plate 1, the frame 10 is provided with a guide protrusion 11 is formed so that the roller 25 to be described later to move.

In addition, the first and second brackets 50, 51, 52 are fixed to the frame 10 at fixed intervals, and the shafts are installed in the brackets and rotated forward and backward by driving of one motor 41 ( 42). At this time, between the motor 41 and the shaft 42 is provided with a coupling (41a) as a connecting means.

The present invention is also installed on the outer circumferential surface of the shaft 42, respectively, the first and second liners 30 which are narrowed to each other when the shaft 42 is reversely rotated when the shaft 42 is rotated forward, respectively. 31 is provided. In this case, the first and second liners 30 and 31 are provided with a plurality of housings 33 sequentially in different directions in the interior of the body 32, and bearings 34 in the respective housings 33. ) Is characterized in that it is provided.

And the present invention is provided with a control unit 40 is provided on one side of the frame 10 to control the operation of each component, the technical configuration of the control unit 40 is made by a general circuit, a detailed description thereof is omitted. Let's do it.

In addition, in the present invention, the doors 70 and 71 provided at the lower ends of the first and second liners 30 and 31 are moved to each other, and the rollers 25 are provided at one side thereof. The flanges 21 and 22 are provided between the lower ends of the first and second liners 30 and 31 and the upper ends of the doors 70 and 71, and the first and fourth flanges having rollers on one side ( 20 and 23 are configured to be fixed to the upper end of the door (70) (71).

In addition, the present invention is the first opening in the process of opening the door 70, 71 at a high speed, the projection 66 provided on the upper end of the first flange 20, the limit provided on the lower end of the first bracket 50 It is configured to open at a low speed at the moment of touching the switch (65).

In the process of closing the doors 70 and 71, the switch 64 is provided at the lower end of the second bracket 51 with a protrusion 30a protruding from one side of the first liner 30 after being closed at a high speed. It is configured to close at a low speed the moment you touch.

In addition, the present invention is provided at the center and both ends of the frame 10, respectively, the first and second cross switches 62 and 63 and the doors 70 and 71 for detecting that the doors 70 and 71 are closed. It is characterized in that the first and second open switch 60, 61 for detecting that the opening is provided.

On the other hand, the present invention may be variously modified and may take various forms in applying the above configuration.

And it is to be understood that the invention is not limited to the specific forms referred to in the above description, but rather includes all modifications, equivalents and substitutions within the spirit and scope of the invention as defined by the appended claims. It should be understood that.

Referring to the operation of the automatic door opening and closing device of the present invention configured as described above are as follows.

First, Figure 1 is a block diagram showing the automatic door opening and closing device applied to the present invention, (a) is a view showing the door 70, 71 is closed, (b) the door 70, 71 is open The state is shown. At this time, in the closed state, the protrusion 30a is positioned in a state of touching the switch 64.

In this state, when the motor 41 is driven by a signal from the control unit 40, the coupling 41a and the shaft 42 connected thereto are rotated forward. In this case, the shaft 42 formed long in the longitudinal direction may be the first. 2, 3 to support the brackets 50, 51, 52 can be easily rotated.

The first and second liners 30 and 31 are moved left and right by the forwardly rotating shaft 42. FIGS. 3A, 3B and 4A and 4B Using linear drive motor (linear drive motor) nuts for these first and second liners 30 and 31 is an indirect drive method that converts the rotational movement of a flat round shaft into a transverse movement. Positive drives) and this effect is achieved through rolling rings mounted on rolling bearings and a drive surface with a special shape.

As described above, when the first and second liners 30 and 31 are opened to the left and right by the forward rotation of the shaft 42, the doors 70 and 71 connected thereto are opened as shown in FIG. 1 (b). In this case, when the protrusion 30a is separated from the switch 64 in the process of opening the door 70, the control unit 40 recognizes. At this time, the door 70, 71 is opened at a high speed in the process of opening the first limit switch provided with a protrusion 66 provided on the upper end of the first flange 20 at the lower end of the first bracket (50) As soon as it passes through and touches 65, it is opened at a low speed by the operation of the control unit 40, which prevents the doors 70 and 71 from being closed while squeezing and making noise, while also preventing the mechanical device from impact. To protect.

As described above, when the doors 70 and 71 close the low speed, the door is opened as shown in FIG. In this state, the first and second open switches 60 and 61 are pressed.

When the doors 70 and 71 are closed by the reverse rotation of the shaft 42 in the above-described state, the doors are positioned as shown in FIG. 1 (a), in which the doors 70 and 71 are first closed. While closing at a high speed, the projection 30a protruding on one side of the first liner 30 is closed at a low speed as soon as the switch 64 provided at the lower end of the second bracket 51 is touched. This is to protect the person who enters and exits through the doors 70 and 71. When the doors 70 and 71 are closed at a high speed, a shock is caused to the person and a safety accident occurs. ) Protect people by closing the low speed before touching each other.

In addition, the present invention prevents the doors 70 and 71 from being narrowed further when a person is caught between the doors 70 and 71, which is described above even if the shaft 42 rotates as described above. (30) (31) to protect the person by moving from side to side while moving around.

On the other hand, when the door (70) 71 is closed again as shown in Figure 1 (a) as described above, the projection (30a) is in the state of touching the switch by pressing the switch 64, door 70 (71) ) Is in contact with the first and second cross switches 62 and 63.

The present invention is the door 70, 71 is opened and closed while the above operation is repeated, in this process structurally improve the precision and quality of the door (70, 71) automatic opening and closing door (70, 71) When opening and closing is to solve the problem that the delayed operation is followed by frequent failures as in the prior art, it is to detect this when people get stuck when the door (70) (71) is closed to prevent the safety accident of the passenger.

As described in detail above, in the present invention, when the shaft is rotated forward and backward by driving of a motor, various doors (eg, screen screen, subway (train) door, General entrance door, etc.) can be easily opened and closed, and structurally improves the precision and quality of the automatic door opener and solves the problem of delayed operation due to frequent failures when opening and closing the door. It is a very useful invention that detects people when they are closed and prevents passenger safety accidents, which greatly improves the reliability of the product so that consumers can plant a good image.

Claims (5)

In the automatic door opening and closing device for automatically opening and closing the door by rotating the shaft by the forward and reverse rotation of the motor, The frame 10 is fixedly installed in the longitudinal direction on the upper portion of the plate, the guide protrusion is formed so that the roller can move; First and second liners 30 and 31 respectively installed on an outer circumferential surface of the shaft and narrowed to each other when the shaft rotates forward and at the same time, respectively; And By the left and right movement of the first and second liners, the doors 70 and 71 provided at the bottom are opened and closed mutually, and the second and third flanges provided with the roller at one side of the first and second liners The door opening and closing device, characterized in that the first and fourth flanges provided between the top and the roller is provided on one side is fixed to the top of the door. According to claim 1, The door is initially opened at a high speed in the process of opening the door, and the protrusion 66 provided at the upper end of the first flange opens at a low speed as soon as the limit switch 65 provided at the lower end of the first bracket is touched. Door automatic switchgear. According to claim 1, The door is closed at a high speed in the process of closing the door at first, and the protrusion 30a protruding on one side of the first liner is closed at a low speed as soon as the switch 64 provided at the bottom of the second bracket is touched. Automatic door opening and closing device. According to claim 1, It is provided at the center and both ends of the frame, respectively, the first and second cross switches 62 and 63 for detecting the closing of the door and the first and second open switches 60 and 61 for detecting the opening of the door. Automatic door opening and closing device characterized in that. According to claim 1, The first and second liners are automatically provided with a plurality of housings (33) are sequentially installed in different directions in the interior of the body, each of the housings are provided with a bearing 34, automatic door opening and closing device.

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