JPS6225687A - Drive for automatic door - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] 【Technical field】

The present invention moves the embankment forward, backward, left and right using power from a motor, etc.
This invention relates to an automatic door drive device that can automatically open and close the door.

[Background technology]

Traditional self 9! I] All of the doors were sliding doors that could only be opened and closed by moving left and right, and there were no doors that could be moved forward, backward, left or right. In addition, various types of machine tools have been developed that move in two axes, but the mechanisms used in these machine tools are complex and large-scale, and are not suitable for automatic doors, etc. There was no applicable small, simple, and space-saving structure.

[Purpose of the invention]

The present invention has been made in view of the above-mentioned technical background, and its purpose is to provide a door that is simple in construction, capable of moving forward and backward and left and right using power, and that allows the door to be moved in the front and back directions and in the left and right directions. To enable a door to be automatically opened and closed even in the case of a flush sliding door that is closed in the above state.

[Disclosure of the invention]

The automatic door drive device of the present invention includes a left and right feeding unit 7 mounted on the upper part of the furniture body 7, which is movable in the front and rear directions by power.
A pair of left and right feed rollers 3.4 is provided at the tip of the left and right feed unit 10, and the held portion 2 provided at the upper end of the door 1 over almost the entire width of the door 1 is moved between the left and right feed rollers 3.4. These left and right feed rollers 3.
4 is made rotatable by power, so that the door 1 can be moved back and forth by the back and forth movement of the left and right feed unit 10, and the door 1 can be opened and closed left and right by the rotation of the left and right feed rollers 3.4. The above object has been achieved by this. That is, even when the door 1 is closed flush with the surface of the member next to it (pond door or wall), the left and right feed unit 1
By protruding 0 to the force, the left and right feed rollers 3.4
It is possible to move the gripped door 51 forward and place it in a sliding position with the horizontal member, and then rotate the left and right feed rollers 3.4 to move the door 1 left and right, automatically. The door 1 can be opened and closed by moving it forward, backward, left and right. Moreover, since the left and right feed rows 23.4 only need to grip a part of the door 1, the device can be made smaller than the width of the door 1, and a simple and compact door driving device can be constructed. It does not take up installation space. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The one shown in Fig. 3 is one in which the door 1 of large furniture can be opened and closed automatically. A groove 5 is bored in the upper end surface of the door 1 over the entire width of the door 1, and a thin wall surface on the back side of the groove 5 serves as a held portion 2. Furthermore, a pair of removable handles 11G are provided on the lower surface of the door 1. The door 1 is placed in front of the furniture main body 7 which is opened from the front, and a left-right feeding unit 10 that is movable in the front-back direction is disposed at the top of the furniture main body 7. From the left-right feeding unit 10, the furniture is Fixed arm 11 toward the front of main body 7
is made to protrude, and a rotatable left and right rubber feed roller 3 is attached to the bottom surface of the tip of the fixed arm 11, and this left and right feed roller 3 is rotatably delivered into a groove 5 on the top surface of the door 1. ing. Furthermore, a rotating arm 12 that is rotatable in a horizontal plane extends obliquely from the left-right feed unit 10 toward the left-right feed row 23, and the other end is attached to the bottom surface of the tip of the rotating arm 12. A rubber left and right feed roller 4 is rotatably attached, and this left and right feed roller 4 is pressed against the held part 2 by a spring 13 attached to a rotating arm 12, and both left and right feed rollers 3.4 The held object g2 is held between the two. A motor 14 and a gear train 15 are included in the left and right feed unit 10, and a final gear 15a and a left and right feed roller 4
An annular body 17 such as a rubber belt or chain is connected to the gear 16, and by rotating the motor 14 in the forward or reverse direction, the left and right feed rows 24 are rotated, and the left and right feed rows 23.4 are held in place. The door 1 is opened and closed to the left and right by moving the held part 2 held therein. Next, P9 for moving the left-right feeding unit 10 in the front-back direction. vl will be explained. Left/right feed) 1
0 is restricted by an idle rail 18 so that it can only move in the front-back direction, and a band-shaped protrusion 19 projects rearward from the rear end of the left-right feed unit 10. This projecting piece 19 is held between a roller 21 and an auxiliary roller 22 for forward and backward feeding of the forward and backward feeding unit 20, and is connected to a motor 23 which is housed inside the forward and backward feeding unit 20.
When the front and back feed rollers 21 are rotated, the protruding piece 19 is sent back and forth, and the left and right feed unit 10 moves back and forth, and the door 1 held by the left and right feed rollers 3.4 also moves back and forth. Furthermore, a rail 9 is provided at the lower front of the furniture body 7, with two parallel rail grooves 8a and 8b bored in the upper surface, and the length of the rail 9 is equal to the width of the door 1. The foot 6 at the lower end of the door 1 is removably delivered within the rail groove 8a inside the rail 9, and the weight of the door 1 is supported by the rail 9. Moreover, this rail 9 is movable back and forth, and the rail 9 is moved back and forth via a connecting rod 25 by a lower roller 24 that rotates in conjunction with the front and back feed roller 21!
Therefore, when the door 10 is moved back and forth, the rail 9 is also moved back and forth, so that the door 1 can be moved back and forth. The driver was held straight and was forced to move forward and backward for 9 hours. Next, the operation when opening and closing the door 1 will be explained according to the circuit diagram shown in FIG. When the door 1 is closed, the door 1 moves backward to tightly close the front opening of the main body 7 of the house 11, as shown in FIG. In this state, when the [Open j button is pressed, the switch So closes, current flows to the relay Ry+, the relay RY+ is held by itself, and the unit 2 to be sent after the
The circuit of the motor 23 of 0 is closed and the motor 23 rotates in the 1@ forward direction, causing )j<1 to protrude in the rectangular direction as shown in FIG. 5 (11). When the door 1 protrudes, the limit switch L2 operates, the self-holding of the relay R1'+ is released, and the motor 23 is stopped. At the same time, current flows through relay 'R)'2, so the left 6
The circuit of the motor 14 of 10 is closed, the motor 14 rotates in the direction of opening the screen 7, and the door 1 is moved laterally and opened as shown in FIG. 5(c). At this time, car 6 at door 1 is rail fil! 8a and moves into the outer rail groove 8b of the adjacent rail 9. door 1
When fully opened, limit switch L1. operates to cut off the current to relay Ry2, stop motor 14, and end the operation with door 1 open. When the "close" button is pressed, the switch Sc closes, current flows through the relay Ry), the relay RV3 is self-held, and the circuit of the motor 14 is closed, and the motor 14 closes the door. 1. The door 1 is rotated in the closing direction, and the door 1 is moved laterally to the front of the closed position. 1 when door 1 reaches the front of the closed position
7 Mitswitch L is operated, the self-holding of relay RYy is released, and motor 14 is stopped. At the same time, relay R
Since current flows through +'4, the circuit of the motor 23 of the forward/backward feed unit 20 is closed, the motor 23 rotates in the backward direction of the door 1, and the door 1 is moved backward and closed. When the door 1 is completely closed, the limit switch L is operated to cut off the current to the relay R5'4, the motor 23 is stopped, and the operation is completed with the door 1 closed.

【Effect of the invention】

As described above, the present invention includes a left and right feeding unit that is movable in the front and back directions by power at the top of the furniture body, and a pair of left and right feeding rollers at the tip of the left and right feeding unit.
A held portion provided over almost the entire width of the door at the upper end of the door is held between the left and right feed rollers, at least one of these left and right feed rollers is rotatable by power, and the door is moved by the back and forth movement of the left and right feed unit. The door can be moved back and forth, and the door can be opened and closed left and right by rotating the left and right feed Qa-ra.
Even when the door is closed flush with the surface of the member next to it (another door or wall), by protruding the left and right feed unit toward the moeka, the door gripped by the left and right feed rollers can be moved forward and sideways. It can be positioned in a sliding manner with the member of , and then the left and right feed rollers are rotated to move the door left and right. This has the effect of being able to move the door left and right immediately in a jJ manner and perform rFRll. However, since the left-right feed coke only needs to grip a part of the door, the device can be made smaller than the width of the door, making it possible to configure a simple and compact door drive device, saving installation space. It has the advantage of not being taken.

[Brief explanation of drawings]

FIG. 1 is a plan view showing one embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of the same, FIG. 3 is an overall perspective view of the same, FIG. 4 is a circuit diagram of the same, and FIG. )(c) is an explanatory view of the same operation as above, in which 1 is a door, 2 is a held part, 3.4 is a pair of left and right feed rollers, 7 is a furniture body, and 10 is a left and right feed unit.

Claims (1)

[Claims] (1) A left-right feed unit that can be moved back and forth by power is installed at the top of the furniture body, and a pair of left-right feed rollers is provided at the tip of the left-right feed unit, so that the left and right feed rollers are installed at the top end of the door over almost the entire width of the door. The held part provided in the left and right feed rollers is held between the left and right feed rollers, and at least one of these left and right feed rollers is rotatable by power, so that the door can be moved back and forth by the back and forth movement of the left and right feed unit, and the left and right feed rollers are rotated. An automatic door drive device characterized in that the door can be opened and closed left and right by rotation of a roller.