KR200251733Y1 - An opening and shutting type automatic door - Google Patents

Abstract

The present invention relates to a sliding automatic door, and in particular, the opening and closing device is installed on the hinge shaft in which the sliding door is used, so that the automatic door can be achieved without additional doors or door frames, and thus the installation cost and installation time are increased. Opening and closing device of the swinging automatic door to achieve a reduced automatic door.

Opening and closing device of the automatic door opening and closing according to the present invention is a door that is hinged to a part of the building porch is opened and closed by the door; A sensor installed at a part of the entrance in which the door is installed so as to detect when a pedestrian approaches; In a swing-type automatic door including a drive device for driving the door opening and closing according to the signal input by the sensor, the drive motor for generating a driving force to enable the door to be rotated, and is connected to the drive motor A rotating shaft for transmitting a driving force, a driving force transmission gear installed on the rotary shaft to enable linear axial movement, and configured to be in contact with an upper surface of the driving force transmitting gear, the driving force being provided to abut on the upper surface of the driving force transmitting gear. A driving plate configured to transmit a rotational movement of a transmission gear to a door fixing shaft connected to the hinge shaft of the door, and when the pedestrian opens and closes the door manually, the driving plate slides with the driving force transmission gear to achieve manual opening and closing of the door; Interposed on the lower surface of the driving force transmission gear and the driving force transmission gear It characterized in that it comprises a plate spring to provide a test for the drive plate to be in close contact with, and a sensing unit which is installed on a portion of the drive plate to control the speed of the door by detecting the opening and closing degree of the door.

Description

{An opening and shutting type automatic door}

The present invention relates to a sliding automatic door, and in particular, the opening and closing device is installed on the hinge shaft in which the sliding door is used, so that the automatic door can be achieved without additional doors or door frames, and thus the installation cost and installation time are increased. Opening and closing device of the swinging automatic door to achieve a reduced automatic door.

In general, an automatic door is a device that can be opened and closed without a person pushing, pulling or opening the door is installed in the door, such as the entrance of the hospital or large building, and the door of frequent cargo.

The automatic door is configured to include a sensing unit for transmitting an electrical signal by detecting a person approaching, and a driving unit for opening and closing the door by driving the door by the signal detected by the sensing unit.

The driving unit is installed on a part of the sliding door is a sliding type automatic door driving unit for sliding the sliding door in one direction when the electrical signal sensed by the constant sensing unit is input, and the sliding door is installed on a part of the sliding door By rotating around the hinge axis, it can be classified as a drive type automatic door for opening and closing the door.

However, the automatic door according to the prior art has to be additionally installed in the case of sliding automatic doors, such as the rail and the driving device for sliding the door, so the structure of the door and the door frame should be changed, so when changing the existing door to automatic door, There is a problem that the door and door frame should be installed, there is a problem that is difficult to reduce the cost even during the initial installation.

In addition, in the case of a sliding automatic door, a cylinder-type driving device that generally rotates the door is installed between the door and the door frame, so that the installation structure for freely opening in the direction of opening to the front and the rear of the door is complicated. There is a problem that is difficult to reduce the installation time and installation cost.

In addition, the automatic door according to the prior art has a problem that the user can be damaged by the door that is automatically opened and closed due to the user's sub-circumference because the speed of opening the door is constant, it is difficult to open and close manually.

The present invention is devised to solve the above problems of the prior art, the drive device is installed on the hinge shaft of the swing door, the control device for controlling the opening speed of the automatic door is installed, the front door and the rear door can be rotated 180˚ The initial installation cost and time can be reduced, and the automatic door can be easily achieved by installing the drive door and sensor on the existing door, and the opening speed of the automatic door can be controlled. The purpose is to provide a sliding automatic door to open and close the door.

1 is a perspective view showing a sliding automatic door according to the present invention,

Figure 2 is a block diagram showing a driving device of the automatic door opening according to the present invention,

3 is an exploded perspective view showing a driving device of a sliding automatic door according to the present invention;

Figure 4 is a plan view showing a support plate of a sliding automatic door according to the present invention.

Figure 5 is a plan view showing a sensor plate of a sliding automatic door according to the present invention.

<Explanation of symbols on main parts of the drawings>

10: door 20: door frame

30 sensor 40 drive device

41: drive motor 42: base

43: axis of rotation 43a: groove

44: first ball bearing 45: ball bearing case

46: leaf spring 47: timing belt pulley

48: driving force transmission gear 49: friction material

51 drive plate 52 second ball bearing

53: Tension adjusting nut 54: Shaft fixing shaft

55: waterproof material 56: support plate

60: sensing unit 62: light emitting sensor

64: light receiving line 66: sensor plate

66a: sensor plate body 66b: hole

The opening automatic door according to the present invention for solving the above problems is a door that is hinged to a part of the building porch is opened and closed in a hinged manner; A sensor installed at a part of the entrance in which the door is installed so as to detect when a pedestrian approaches; In a swing-type automatic door including a drive device for driving the door opening and closing according to the signal input by the sensor, the drive motor for generating a driving force to enable the door to be rotated, and is connected to the drive motor A rotating shaft for transmitting a driving force, a driving force transmission gear installed on the rotary shaft to enable linear axial movement, and configured to be in contact with an upper surface of the driving force transmitting gear, the driving force being provided to abut on the upper surface of the driving force transmitting gear. A driving plate configured to transmit a rotational movement of a transmission gear to a door fixing shaft connected to the hinge shaft of the door, and when the pedestrian opens and closes the door manually, the driving plate slides with the driving force transmission gear to achieve manual opening and closing of the door; Interposed on the lower surface of the driving force transmission gear and the driving force transmission gear And a sensing unit installed on a portion of the driving plate to control the speed of the door by sensing the opening / closing degree of the door.

Hereinafter, with reference to the accompanying drawings, an embodiment of a sliding automatic door according to the present invention will be described in detail.

1 is a perspective view showing a sliding automatic door according to the present invention.

Opening and closing automatic door according to the present invention is the door frame 20 is installed on the porch of the building, the door 10 is hinged to a portion of the door frame 20, and the door is installed on the hinge shaft of the door 10 It includes a drive device 40 for rotating the movement and the sensor 30 is installed on a portion of the door frame 20 to determine whether the drive device 40 is driven and the driving direction to detect the approach of the pedestrian. It is configured by.

Figure 2 is a block diagram showing the drive mechanism of the automatic door swing according to the present invention, Figure 3 is an exploded perspective view showing the drive device of the automatic swing door according to the present invention.

The driving device 40 includes a case installed inside the building bottom, which is the lower end of the hinge shaft of the door 10, and a driving motor 41 for generating a driving force for rotating the door 10. The base 42 forms a bottom surface of the case and supports various devices, a rotation shaft 43 installed rotatably on a portion of the base 42, and the rotation shaft 43 is the base 42. A first ball bearing 44 and a bearing case 45 installed between the rotating shaft 43 and the base 42 so as to be rotatably supported at a portion thereof, and the rotating shaft to be positioned on an upper surface of the bearing case 45. The leaf spring 46 is installed on the 43 to induce tension so that the driving force of the drive motor 41 can be transmitted to the door through the rotation shaft 43, and to be located on the upper surface of the leaf spring 46 It is installed on the rotary shaft 43 to tie the driving force of the drive motor 41 A timing belt pulley 47 received by a belt, a driving force transmission gear 48 installed on the rotation shaft 43 so as to be positioned above the timing belt pulley 47, and transmitting a driving force of the driving motor 41; And a driving plate 51 slidably installed on an upper surface of the driving force transmission gear 48 and installed on the rotating shaft 43 so as to be idling by a second ball bearing 52, and an upper surface of the driving plate 51. It is configured to include a shaft for fixing the door (54).

The rotation shaft 43 has a plurality of long grooves 43a in the vertical direction so that the timing belt pulley 47 and the driving force transmission gear 48 can move in the axial direction and cannot be idle. It is fitted, the upper end is fastened by the tension adjustment nut 53 is installed so that the tension of the leaf spring 46 is adjusted.

The leaf spring 46 is interposed between the ball bearing cover and the timing belt pulley 47 and pushes the driving force transmission gear 48 upward with the timing belt pulley 47 to drive the driving force transmission gear 48. And the driving plate 51 to be in close contact with each other so that the driving force of the driving motor 41 can be transmitted to the rotational movement of the door 10 along the door fixing shaft 54.

The timing belt pulley 47 is installed to be connected by the timing belt together with the timing belt pulley 47 installed in the reducer so that the driving force generated in the drive motor 41 can be transmitted to the appropriate rotational speed for driving the door via the reducer. do.

The lower surface of the drive plate 51 is provided with a friction material 49 to increase the frictional force with the drive force transmission gear 48 to increase the power transmission efficiency.

In addition, between the driving plate 51 and the door fixing shaft 54, the tensions generated by the leaf spring 46 can be reduced by preventing the members installed on the rotating shaft 43 from flowing upward. And a tension adjusting nut 53 is installed.

In addition, a waterproof member 55 is installed between the tension adjusting nut 53 and the door fixing shaft 54 so that water flows into the driving device 40 to prevent malfunction or damage of the driving device 40. do.

Figure 4 is a plan view showing a support plate of a sliding automatic door according to the present invention.

A support plate 56 is installed between the driving plate 51 and the tension adjusting nut 53 to rotatably support the rotating shaft 43 so as to be installed at a portion of an inner wall of the case forming the outer portion of the driving device 40. Bar, the support plate 56 has an elastic member is interposed between the upper surface and the lower surface of the support plate 56 to generate elasticity in the axial direction on the hinge axis of the door (10).

The support plate 56 has a through hole 56a formed at the center thereof to allow the rotation shaft 43 to be rotatably supported, and a plurality of bearings 56b are installed at the edge of the through hole 56a. On the outside of the support plate 56, a plurality of fixing holes 56c are formed and fastened to the case.

For this reason, the door 10 is to reduce the inertia generated when the weight is relatively heavy so that the opening and closing of the door 10 is maintained at a constant speed, strong wind if the weight of the door 10 is relatively light This prevents the door 10 from being opened and closed, and also prevents the hinge axis from flowing in the left and right directions when the door 10 is driven to achieve a stable opening and closing of the door 10.

Figure 5 is a plan view showing a sensor plate of a sliding automatic door according to the present invention.

By controlling the rotational speed of the driving motor 41 by sensing the opening degree of the door 10, a part of the driving plate 51 is divided into a high speed, a medium speed, a low speed, and an ultra low speed to be opened and closed. The sensing unit 60 is installed to allow.

The sensing unit 60 includes a plurality of light emitting sensors 62 and a light receiving sensor 64 fixed to a portion of a case forming an outer portion of the driving device 40, and the light emitting sensor 62 and the light receiving sensor 64. The light emitted from the light emitting sensor 62 is selectively blocked by the sensor plate 66 and the sensor plate 66 fixed to a portion of the driving plate 51 so that a portion passes therebetween. It is configured to include a control unit for controlling the rotational speed of the drive motor 41 by determining the open state of the door (10).

The light emitting sensor 62 is a sensor that continuously emits light in one direction, and the light receiving sensor 64 detects an amount of light emitted from the light emitting sensor, converts it into an electrical signal, and sends a signal to the controller. As the sensor, the light emitting sensor 62 and the light receiving sensor 64 form a pair up and down, respectively, and each pair is provided in a straight line.

Since the sensor plate 66 is formed in a variety of lengths so that the arc-shaped hole 66b is gradually formed in the sensor plate main body 66a in which the planar shape is formed in a ring shape, the distance from the center of rotation is stepwise. The light emitted from the plurality of light emitting sensors 62 passes through the hole 66b to allow the controller to detect the degree of opening of the door according to the number detected by the light receiving sensor 64.

In addition, a portion of the sensor plate 66 is formed with a groove for sensing that the door is in a closed state. When the groove is positioned in the light emitting sensor 62 and the light receiving sensor 64, the controller detects the driving and drives the drive. The power of the motor 41 is cut off.

Looking at the operation of the automatic sliding door according to the present invention configured as described above are as follows.

First, when the pedestrian approaches the door, the sensor 30 detects this and transmits an electrical signal to the drive motor 41. The drive motor 41, in which the signal is input, is started to drive the timing belt. The timing belt pulley 47 connected by the above is driven.

Since the timing belt pulley 47 is installed on the rotation shaft 43, the leaf spring 46 and the driving force transmission gear 48 installed on the rotation shaft 43 are driven at the same time, so that the leaf spring ( As the driving plate 51 in close contact with 46 is rotated, the door 10 is opened by driving the door fixing shaft 54 integrally formed on the upper surface of the driving plate 51.

At this time, the sensor plate 66 is driven simultaneously with the driving plate 51 to pass between the light emitting sensor 62 and the light receiving sensor 64, and the plurality of holes 66b formed in the sensor plate 66. By the light emitted from the light emitting sensor 62 is selectively detected by the light receiving sensor 64, the degree of opening of the door 10 is converted into an electrical signal according to the number of light receiving sensor detected light is sent to the control unit After the rotation speed of the drive motor 41 is controlled by the control unit, the door 10 may achieve opening and closing of the stable door 10 whose speed is appropriately adjusted.

Opening automatic door according to the present invention is configured as described above the drive device is installed on the hinge shaft of the sliding door, the control device for controlling the opening speed of the automatic door is installed, the initial installation by making the automatic door can be rotated 180˚ front and rear of the door It can reduce cost and time, and can easily achieve automatic door by installing manual swing door and driving device and sensor on existing door, control the opening speed of automatic door, and open and close the door easily by manual. There is an advantage to that.

Claims (5)

A door hinged to a part of the building entrance and opened and closed in a hinged manner; A sensor installed at a part of the front door to detect when a pedestrian approaches; In a sliding automatic door comprising a drive device driven in accordance with the signal input by the sensor to open and close the door; The drive device includes a drive motor for generating a driving force to rotate the door; A rotating shaft connected to the driving motor to transmit a driving force; A driving force transmission gear installed on the rotation shaft to enable linear movement in the axial direction and transmitting a driving force upward; It is installed to abut on the upper surface of the drive force transmission gear to transmit the rotational movement of the drive force transmission gear by the friction force to the door fixing shaft connected to the hinge shaft of the door, when the pedestrian manually opens and closes the door the drive force transmission gear A driving plate sliding to achieve manual opening and closing of the door; A leaf spring interposed on a lower surface of the driving force transmission gear to provide a test for bringing the driving force transmission gear into close contact with the driving plate; A swing-type automatic door comprising a sensing unit installed at a part of the driving plate to detect the opening / closing degree of the door to control the speed of the door. The method of claim 1, The drive plate upper surface rotatably supports the rotating shaft and is fixed to a portion of the inner wall of the case forming the outer peripheral of the drive device, the opening and closing automatic door, characterized in that the support plate is installed on the upper and lower surfaces. The method of claim 1, The sensing unit includes a light emitting sensor and a light receiving sensor in which a plurality of pairs are installed in a straight line in a pair up and down, respectively, on a part of a case forming an outer portion of the driving device; A sensor plate fixed to a portion of the driving plate such that a portion passes between the light emitting sensor and the light receiving sensor; A sliding automatic door comprising a control unit which detects that light emitted from the light emitting sensor is selectively blocked by the sensor plate to determine whether the door is opened or closed and adjusts the rotational speed of the driving motor. The method of claim 2, The support plate is formed in the shape of a disc, the through-hole is formed in the center so that the rotating shaft can be rotatably supported, a plurality of bearings are installed on the edge of the through-hole, a plurality of fixing holes are formed on the outside A sliding automatic door, characterized in that fixed to the inner wall of the case forming the outer of the drive device. The method of claim 3, wherein The sensor plate includes a sensor plate main body whose planar shape is formed in a ring shape; The sensor plate main body is formed in an arc shape at a portion passing between the light emitting sensor and the light receiving sensor, the distance from the rotation center is made in stages, and the light emitted from the light emitting unit is spaced apart from each other to the degree of opening and closing of the door. A plurality of holes to selectively pass along; A sliding automatic door formed on a part of the sensor plate body, the groove including a groove to detect the closed state of the door.