KR100579824B1 - Double sliding type autometic door - Google Patents

Abstract

The present invention relates to a double sliding automatic door which can expand the width of the entrance as much as possible, the height adjustment of the sliding door according to the installation space, the tension adjustment of the timing belt can be properly performed.

In the automatic door according to the present invention, the first and second sliding doors on both sides of the automatic door are slid in opposite directions with respect to the center by guide rails and timing belts, respectively, and overlap each other on both fixed doors, and the door hangers are fixed to the body. And the height is adjustable by the relative movement between the moving body is possible to adjust the height of the sliding door, the timing belt is formed to be able to adjust the tension by the pulley which can move left and right by the relative movement between the fixed body and the moving body. do.

Double sliding automatic door, sliding door, guide rail, timing belt, door hanger, pulley

Description

Double sliding automatic doors {DOUBLE SLIDING TYPE AUTOMETIC DOOR}

1 is a schematic view of a conventional automatic door.

2 is a front view of a double sliding automatic door according to an embodiment of the present invention.

Figure 3a is a partial perspective view of the closed state of the double sliding automatic door according to an embodiment of the present invention.

Figure 3b is a partial perspective view of the operating state of the double sliding automatic door according to an embodiment of the present invention.

Figure 3c is a partial perspective view of the open state of the double sliding automatic door according to an embodiment of the present invention.

Figure 4 is a partial cross-sectional view of a double sliding automatic door according to an embodiment of the present invention.

5 is a perspective view of a driven pulley in the double sliding automatic door according to an embodiment of the present invention.

Figure 6a is a perspective view of one side first door hanger in a double sliding automatic door according to an embodiment of the present invention.

Figure 6b is an exploded assembly view of one side first door hanger in a double sliding automatic door according to an embodiment of the present invention.

Figure 7 is a double sliding automatic door according to an embodiment of the present invention, the height adjustment operation of the one side of the first sliding door by the first side door hanger.

8A is a perspective view of one side second door hanger in a double sliding automatic door according to an exemplary embodiment of the present invention.

8B is an exploded assembly view of a second door hanger on one side of a double sliding automatic door according to an exemplary embodiment of the present invention.

9 is an exploded assembly view of one side of the third door hanger in the double sliding automatic door according to an embodiment of the present invention.

Figure 10a is a perspective view of one side of the fourth door hanger in the double sliding automatic door according to an embodiment of the present invention.

Figure 10b is an exploded view of the fourth sliding door hanger in a double sliding automatic door according to an embodiment of the present invention.

Figure 11 is a double sliding automatic door according to an embodiment of the present invention, the tension adjustment operation of one side second timing belt by one side fourth door hanger.

Explanation of symbols on the main parts of the drawings

1: double sliding automatic door

10: frame

20: drive motor

30: driving pulley

40: driven pulley

50: first timing belt

60: first guide rail

70, 70 ': first door hanger

80, 80 ': 2nd door hanger

90, 90 ': 1st sliding door

100: second guide rail

110, 110 ': 3rd door hanger

120, 120 ': 4th door hanger

130, 130 ': second timing belt

140, 140 ': 2nd sliding door

The present invention relates to a double sliding automatic door, and more particularly, to a double sliding automatic door that opens and closes the doorway while the first and second sliding doors on both sides are moved to the same side by a driving force generated from one driving source.

In general, automatic doors designed to be opened and closed automatically according to people's entrance and exit are installed at entrances of buildings such as government offices, department stores, malls, and the like.

As shown in FIG. 1, the conventional automatic door 200 includes a frame 210 fixed to an upper side of an entrance of a building, a driving motor 220 installed at one side of the frame 210, and a driving motor 220. Drive pulley 230 is fixed to the output shaft of the reducer 221 is connected, driven pulley 240 is installed at a predetermined interval away from the drive pulley 230, drive pulley 230 and driven pulley 240 Timing belt 250 for driving connection and the sliding door 270 sliding along the guide rail 260 by a door hanger 271 fixed to a predetermined portion of the timing belt 250 and fixed to the door frame frame And a fixed door 280 to which the sliding door 270 may overlap.

In the conventional automatic door 200 having the configuration as described above, the controller (not shown) operates the driving motor 220 according to a signal input through a sensor (not shown) that detects the approach of a person, As the driving force of the driving motor 220 is appropriately changed by the reducer 221 to rotate the driving pulley 230, the timing belt 250 installed on the driving pulley 230 and the driven pulley 240 rotates. do.

Since the door hanger 271 integrally coupled to the upper end of the sliding door 270 is fixed to the timing belt 250, the sliding door 270 is slid according to the rotation of the timing belt 250, and thus the upper side of the fixed door 280 is fixed. Overlapping the door will open and close the doorway.

However, the conventional automatic door 200 as described above has a problem that the passage space of the doorway is narrow because the sliding door 270 is opened and closed while the fixed door 280 is fixed to the door frame, for example, Installation height adjustment of the sliding door 270, tension adjustment of the timing belt 250, etc. according to the installation space can not be efficiently performed, there is a problem that its installation and maintenance is very inconvenient.

Accordingly, the present invention is based on the problem to provide a double sliding automatic door that can expand the passage space of the entrance and exit, the height adjustment of the sliding door according to the installation space, the tension adjustment of the timing belt, etc. can be properly performed.

The above-mentioned problem is that the first and second sliding doors on both sides slide in the same direction by the guide rail and the timing belt when the door is opened, so that the passage space can be expanded by overlapping each other on both fixed doors, and the door hanger is high. The height of the sliding door can be adjusted by being formed to be adjustable, and the pulley is fixed to the left and right to move, and thus the tension of the timing belt can be adjusted.

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

2 shows a front view of a double sliding automatic door 1 according to a preferred embodiment of the invention, and FIG. 3a shows a partial schematic view of a closed state of a double sliding automatic door 1 according to a preferred embodiment of the invention. 3b shows a partial schematic view of an operating state of a double sliding automatic door 1 according to a preferred embodiment of the present invention, and FIG. 3c shows an opening of a double sliding automatic door 1 according to a preferred embodiment of the present invention. 4 shows a partial schematic view of a state, and FIG. 4 shows a partial sectional view of a double sliding automatic door 1 according to a preferred embodiment of the invention.

As shown in Figures 2 to 4, the drive pulley 30 is fixed to the upper side of the entrance and driven by the reducer 21, which is interlocked with the drive motor 20 is installed on one side and the first timing belt ( The frame 10 and rotatably installed with a driven pulley 40 driven by the drive pulley 30 by the first and second guide rails 60 and 100 and a first timing belt Both side first door hangers 70; 70 'coupled to the upper and lower ends of 50) and movable in opposite directions along the first guide rail 60 by first guide wheels respectively provided on the rear side; Two second door hangers 80 and 80 'which are movable in opposite directions along the first guide rail 60 by second guide wheels provided on each side, and both first and second door hangers 70 and 80; 70 'and 80', respectively, fixed to each of the two first sliding doors 90 which are movable in opposite directions; 90 ') and both sides of which are provided with first pulleys 114 and 114' on the front side and movable in opposite directions along the second guide rail 100 by third guide wheels respectively provided on the rear side. The third door hangers 110 and 110 'and the second pulleys 124 and 124' are respectively provided at the front side and are respectively provided along the second guide rail 100 by the fourth guide wheels respectively provided at the rear side. Four fourth door hangers 120 and 120 ', which are movable in opposite directions, and first and second pulleys 114, 124; 114' and 124 'are respectively driven and connected to the first guide. It is fixed to the belt fasteners 63 and 63 'coupled to the lower end of the rail 60, and the lower one point is connected to the belt fasteners 83 and 83' coupled to the second door hangers 80 and 80 ', respectively. Fixed to both side second timing belts 130 and 130 ', and fixed to both side third and fourth door hangers 110, 120; 110' and 120 ', respectively, and both side first sliding doors 90; 90 ') each of the two second sliding doors 140 overlapping each other; 140 ').

Therefore, in the double sliding automatic door 1 according to the preferred embodiment of the present invention, when the driving pulley 30 is driven in the opening direction by the driving motor 20, the first timing belt 50 is rotated. Both first and second door hangers 70 and 70 'coupled to the upper and lower ends of the timing belt 50 move the first and second sliding doors 90 and 90' in opposite directions, respectively, and the first and second sliding doors 90 and 90 '. Each of the second door hangers 80 and 80 'coupled to the lower end of the second timing belts 130 and 130' at the same time. 130 and 130 'move both sides of the third door hangers 110 and 110' so that the first and second sliding doors 90 and 90 'are moved to the second and second sliding doors 140 and 140'. It is gradually overlapped and opened.

As described above, the double sliding automatic door 1 according to the preferred embodiment of the present invention, except that both side first door hangers 70 and 70 'are coupled to upper and lower ends of the first timing belt 50, respectively. , Since both sides have a symmetrical configuration and action with respect to the center, for simplicity, FIGS. 3A to 3C are shown for one side with respect to the center.

Here, the frame 10 is fixed above the entrance of the building, the drive motor 20, the reducer 21, the drive pulley 30, the driven pulley 40, the first and second on the frame 10 Components, such as guide rails 60 and 100, for opening and closing both side first and second sliding doors 90, 140; 90 ', 140' are provided.

The drive motor 20 is installed on one side of the frame 10, the drive motor 20 is to provide a driving force for opening and closing the first and second sliding doors 90, 140; 90 ', 140' of both sides. In addition, the speed of the drive pulley 30 fixed to the output shaft of the speed reducer 21 is appropriately changed through the speed reducer 21 connected to one side thereof, and the operation of the drive motor 20 and the speed reducer 21 is driven by a drive motor ( It is controlled by the controller 22 installed on one side of 20).

The driving pulley 30 is fixed to the output shaft of the reducer 21, and the driving pulley 30 provides the driving force of the driving motor 20 to the first timing belt 50 so that the first timing belt 50 rotates. As a result, both sides of the first sliding doors 90 (90 ') having their upper portions fixed to the first timing belt 50 are moved in the opening and closing direction.

A driven pulley 40 is rotatably installed on the other side of the frame 10, and the driven pulley 40 is an idle pulley that is connected to the driving pulley 30 by the first timing belt 50. , The fixed position on the other side of the frame 10 can be adjusted to be movable left and right so as to have a structure that can properly adjust the tension of the first timing belt 50, Figure 5 is such a driven pulley (40) ) Is a perspective view.

As shown in FIG. 5, the driven pulley 40 has a first bracket 41 fixed to the upper portion of the other side of the frame 10, and is fixedly movable to the left and right relative to the first bracket 41, and the pulley is A second bracket 42 rotatably fixed, a rotation shaft 43 rotatably supported by the first bracket 41 through the second bracket 42, and a rotation shaft within the second bracket 42; The moving piece 44 which is screwed to 43 and presses the 2nd bracket 42 according to the rotation of the rotating shaft 43, and moves to the left and right with respect to the 1st bracket, and the 2nd bracket 42 and the moving piece It is preferable to include an elastic member 45 which is installed between the 44 and absorbs the external force is applied to the second bracket 42 forcibly in accordance with the rotation of the rotary shaft 43, the driven pulley 40 In this configuration, the first bracket 41 is moved to the left and right by moving the second bracket 42 having the pulley fixed to the first bracket 41. Can be appropriately adjust the tension of the timing belt 50.

The drive pulley 30 and the driven pulley 40 are driven by the first timing belt 50, the first timing belt 50 is rotated in engagement with the rotation of the drive pulley 30 is fixed on both sides As the first door hangers 70; 70 'are moved to the left and right, both sides of the first sliding doors 90 and 90' are opened and closed.

A first guide rail 60 is fixed below the first timing belt 50 on the frame 10. The first guide rail 60 has both first and second door hangers 70, 80 and 70 to be described later. ', 80') to form a movement path of the first and second sliding doors (90; 90 ') on both sides, and protrudes more forward than the second guide rail (100; 100'), which will be described later, to open the doorway. It is preferable that both sides of the first sliding doors 90 and 90 'may overlap on the second sliding doors 140 and 140'.

Grooves 61 are formed at the lower ends of the first guide rails 60, and belt grooves 63 and 63 ′ are fixed to the grooves 61 so as to be movable. Are respectively fixed to the upper ends of the second timing belts 130 and 130 'on both sides of the first guide rail 60 to determine the maximum movement range of the second sliding doors 140 and 140'. It plays a role.

Both first door hangers 70; 70 'are coupled to upper and lower ends of the first timing belt 50, and upper ends of the first door hangers 70; 70' are fixed to the first timing belt 50. And the lower end is fixed to each of the upper portion of the upper side of the first sliding door (90; 90 '), thereby transmitting the left and right movement force of the timing belt 50 to both of the first sliding door (90; 90'), the back Both side first guide wheels 74; 74 ', which are movable along the first guide rail 60, are rotatably installed on the side thereof.

Both side first door hangers (70; 70 ') is preferably formed in a structure that allows the height adjustment of the first sliding door 90, Figure 6a shows a perspective view of one side first door hanger (70) 6B illustrates an exploded view of one side first door hanger 70, and FIG. 7 illustrates a height adjustment operation view of one side first sliding door 90 by one side first door hanger 70. The following description corresponds to one side first door hanger 70, but since the other side first door hanger 70 'has a symmetrical configuration with the one side first door hanger 70, the other side first door hanger ( 70 ') can be applied equally.

As shown in FIGS. 6A to 7, one side first door hanger 70 has a bracket 71a fixed to one side of the first sliding door 90 at a lower end thereof and is inclined in parallel to each other at an upper end thereof. Grooves 71b and 71c are formed and a first body 71 having a bending bracket 71d perpendicular to the grooves 71b and 71c is formed on one side thereof, and overlaps with an upper portion of the rear side of the first body 71. A second body 72 which is movably fixed and is formed with a bending bracket 72c parallel to the bending bracket 71d of the first body 71, and coupled to the second body 72 and having a first timing belt ( One side of the first guide wheel is fixed to the belt fastener 73 and the central shaft 74a is rotatably fixed through the one side groove (71b) of the second body (72) and the first body (71). (74), a fixing screw (75) fastened to the second body (72) through the other groove (71c) of the first body (71), and on the bending bracket (72c) of the second body (72). Height adjusting screw coupled to the bending bracket 71d of the first body 71 in a fixed state to adjust the relative movement amount between the first and second bodies 71 and 72 through both grooves 71b and 71c. (76).

Here, the first body 71 serves as a kind of bracket for fixing the lower end thereof on the first sliding door 90 so that the second body 72 is relatively movable on it. One side groove 71b and a fixing screw 75 into which a bracket 71a is formed on one side of the first sliding door 90 and on which the central axis 74a of the first guide wheel 74 is fitted. The other side groove 71c into which the fitting is inclined in parallel to each other, and on one side, a bending bracket through which the height adjusting screw 76 fixed to the bending bracket 72c of the second body 72 passes through and is screwed together 71d is formed perpendicular to both grooves 71b and 71c.

The second body 72 overlapping and fixed to the upper rear side of the first body 71 is a kind of plate that is relatively moved relative to the first body 71, and the center of one side of the first guide wheel 74 is located on the upper side. A through hole 72a for penetrating the shaft 74a is formed, and a screw hole 72b for fastening the end of the fixing screw 75 is formed at one lower side thereof, and a height adjusting screw 76 is positioned at one upper end thereof. A bending bracket 72c to be fixed is formed parallel to the bending bracket 71d of the first body 71.

In addition, in order to support relative movement between the first body 71 and the second body 72, both side grooves of the first body 71 are provided at both sides of the through hole 72a of the second body 72. The grooves 72d inclined in parallel to the 71b and 71c are formed, and the rear protrusions 71e slidable in the grooves 72d of the second body 72 are formed in the upper portion of the first body 71. desirable.

The other side of the second body 72 is coupled to the belt fastener 73, the belt fastener 73 is fixed to the first timing belt 50, the left and right movement force of the first timing belt 50, one side of the first door Transfer to the hanger 70 serves to enable the opening and closing of the first sliding door (90).

Belt fastener 73 is fixed plate (73a) is coupled to the other side of the second body 72, grooves (73c) are coupled to the fixed plate (73a) and extending from side to side on both sides of the upper side and the belt is coupled to the back side By including a fastener 73b in which the groove 73d is formed, and a fastening screw 73e for penetrating both grooves 73c of the fastener 73b to couple the fastener 73b to the fastening plate 73a so as to be movable left and right. , It is preferable to be fixed to the second body 72 to move left and right through the adjustment position of the fixing screw 73e with respect to both grooves 73c of the fastener 73b.

The central shaft 74a penetrates through the through-hole 72a of the second body 72 and the one side groove 71b of the first body 71, so that one side of the first door hanger 70 is located on the rear side of the first door hanger 70. The guide wheel 74 is rotatably fixed, and the first guide wheel 74 rotates the first sliding door 90 coupled to the first door hanger 70 while the first guide rail 60 rotates. By moving left and right along, the central axis 74a of the first guide wheel 74 on one side thereof corresponds to the shape of the through hole 72a of the second body 72 so as not to rotate on the second body 72. One side is side-cut, the other outer peripheral surface is formed with a screw portion, the end portion protruding through the through-hole 72a of the second body 72 and one groove 71b of the first body 71 in turn is fixed nut ( 74b), the first body 71 and the second body 72 is in close contact with each other.

A fixing screw 75 is fitted into the other groove 71c of the first body 71, and an end thereof is fastened to the screw hole 72b of the second body 72, and the fixing screw 75 is one side of the first guide wheel. Together with the 74 serves to secure the first body 71 and the second body 72 in close contact.

The bending bracket 72c of the second body 72 is coupled to the bending bracket 71d of the first body 71 in a state where the height adjusting screw 76 is fixed, and the height adjusting screw 76 is one groove. The first and second bodies 71 and 72 through the center axis 74a of the first guide wheel 74 fitted to the 71b and the other side groove 71c and the fixing screw 75 fitted thereto. It controls the relative movement between them.

The lower side of the second body 72 is supported on the lower surface of the first guide rail 60 to prevent the one side first guide wheel 74 from being separated from the first guide rail 60 (one side first auxiliary roller ( It is preferable that 77 is installed, and the second body 72 is formed with a through groove 72e for detaching the coupling mill of the central axis 77a of the first auxiliary roller 77 on one side and the first body 71. The opening 71f is formed to protrude the fixing member 77b for fixing the central axis 77a of the first auxiliary roller 77 on one side of the through groove 72e.

Through both side first door hangers 70 and 70 'as described above, the height or the left and right balance of both side first sliding doors 90 and 90' can be properly adjusted. ) Can be applied equally to each, so only the height adjustment operation of one side first sliding door 90 by one side first door hanger 70 will be described below with reference to FIG.

First, it is fastened to an end portion of the central axis 74a of one side first guide wheel 74 which sequentially passes through the through hole 72a of the second body 72 and one side groove 71b of the first body 71. The first body is properly loosened by a fixing nut 74b and a fixing screw 75 fitted into the other groove 71c of the first body 71 and the end of which is fastened to the screw hole 72b of the second body 72. After enabling relative movement between the 71 and the second body 72, the bending bracket 71d of the first body 71 is fixed to the bending bracket 72c of the second body 72. By appropriately rotating the height adjustment screw 76 coupled to the), the lower end of the first body relative to the second body 72 located at the height of the first guide rail 60 by the first guide wheel 74 on one side After the relative movement of the first body 71 fixed to the sliding door 90, finally tighten the fixing nut 74b and the fixing screw 75 between the first body 71 and the second body 72. No more on When is fixed so that the relative movement occurs.

 The relative movement between the first body 71 and the second body 72 is the central axis 74a of one side groove 71b and one side guide wheel 74 fitted therein, and the other side groove 71c and this. With respect to the second body 72 positioned at the height of the first guide rail 60 by the first guide wheel 74 on one side, through the fixing screw 75 fitted in the lower end thereof, the lower end of the first sliding door 90 The first body 71 fixed to the) is relatively moved along the height adjustment bolt (76) coupled in parallel to both grooves (71b, 71c).

In FIG. 7, the first body 71 is maximally moved relative to the second body 72, but in practice, the first body 71 is made to finely adjust the height or the left and right twist of the first sliding door 90. .

Opposite sides of both side first door hangers 70; 70 'are provided with both side second door hangers 80; 80', and both sides of the second door hangers 80; 80 'have lower ends at both sides of the first sliding door. Both side second guide wheels 84; 84 ', which are respectively fixed to the upper portion of the other side of the 90 and moveable along the first guide rail 60 on the rear side, are rotatably coupled, thereby allowing the belt fastener 83 83 ') has a symmetrical structure with both side first door hangers 70;

Both side door hangers 80 and 80 'are also preferably formed in a structure that enables height adjustment of both side sliding doors 90 and 90' like the first door hangers 70 and 70 '. 8A shows a perspective view of one side second door hanger 80, and FIG. 8B shows an exploded view of the one side second door hanger 80. The following description corresponds to the one side second door hanger 80, but since the other side second door hanger 80 'has a symmetrical configuration with the second side door hanger 80, the second side door hanger ( The same applies to 80 ').

As shown in FIGS. 8A and 8B, the second door hanger 80 on one side has a bracket 81a fixed to the other side of the first sliding door 90 at a lower end thereof, and grooves inclined in parallel to each other at the upper end thereof. The first body 81 is formed on one side thereof, and a bending bracket 81d perpendicular to the grooves 81b and 81c is formed on one side thereof. A second body 82 which is securely fixed and is formed with a bending bracket 82c parallel to the bending bracket 81d of the first body 81; and a second timing belt 130 coupled to the first body 81; Belt fastener 83 is fixed to the one side, and the second guide wheel 84, the central axis is rotatably fixed through one side groove (81b) of the second body 82 and the first body 81 and And a fixing screw 85 penetrating the other groove 81c of the first body 81 to the second body 82 and a bending bracket 82c of the second body 82. Height adjustment screw 86 coupled to the bending bracket 81d of the first body 81 to adjust the relative amount of movement between the first and second bodies 81 and 82 through both grooves 81b and 81c. ).

Here, the first body 81 is to act as a kind of bracket to the lower end is fixed on the first sliding door 90 so that the second body 82 is fixed to be movable relative thereto. A bracket 81a is formed on the other side of the first sliding door 90 and the groove 81b and the fixing screw 85 on which the central shaft 84a of the one side second guide wheel 84 is fitted. The other side groove 81c into which the fitting is inclined in parallel to each other, and one side of the bending bracket through which the height adjustment screw 76 fixed to the bending bracket 82c of the second body 82 passes through and is screwed together. 81d is formed perpendicular to both grooves 81b and 81c.

The second body 82 overlapping and fixed to the upper rear side of the first body 81 is a kind of plate that is relatively moved relative to the first body 81, and the center of the one side second guide wheel 84 is located on the upper side. A through hole 82a for penetrating the shaft 84a is formed, and a screw hole 82b for fastening the end of the fixing screw 85 is formed at one lower side thereof, and a height adjusting screw 76 is positioned at one upper end thereof. The bending bracket 82c to be fixed is formed parallel to the bending bracket 81d of the first body 81.

In addition, in order to support relative movement between the first body 81 and the second body 82, both side grooves of the first body 81 are provided at both sides of the through hole 82a of the second body 82. A groove 82d inclined in parallel to the 81b and 81c is formed, and the rear protrusion 81e slidable into the groove 82d of the second body 82 is formed on the upper portion of the first body 81. desirable.

The belt fastener 83 is coupled to the lower side of the first body 81, and the belt fastener 83 is coupled to the other side of the second body 72 as in the first door hanger 70 on one side, and thus the first timing belt 60. ) Is coupled to the lower portion of the first body 81 and fixed to a lower point of the second timing belt 130, thereby shifting the left and right movement force of the first sliding door 90 to the second timing belt 130. ), Thereby enabling left and right movement of the second sliding door 140.

The belt fastener 83 is preferably fixed to be moved up, down, left, and right with respect to the first body 81, and has a lower portion of the first body 81 to move up and down with respect to the first body 81. Grooves 81g are vertically formed parallel to each other.

The belt fastener 83 is coupled to the lower portion of the first body 81 by a first fixing screw 83b, one side of which is coupled through the lower groove 81g of the first body 81. Fixing plate 83a, a fastener 83c that is coupled to the other side of the fixing plate 83a, and has grooves 83d extending left and right on both upper sides, and a belt engaging groove 83e is formed on the rear side, and the fastener 83c. The lower groove of the first body 81 by including a second fixing screw (83f) for penetrating both sides of the groove (83c) of the c) so as to couple the fastener (83c) to the other side of the fixing plate (83a) It can be moved up and down by adjusting the fixing position of the first fixing screw 83b with respect to 81g, and by adjusting the fixing position of the second fixing screw 83f with respect to both grooves 83d of the fastener 83c. Can be.

The central shaft 84a penetrates through the through-hole 82a of the second body 82 and the one side groove 81b of the first body 81, so that one side of the second door hanger 80 is located on the rear side of the second door hanger 80. The guide wheel 84 is rotatably fixed, and the second guide wheel 84 on one side rotates the first first sliding door 90 coupled to the second door hanger 80 on the first guide rail 60. By moving left and right along the side, the central axis 84a of the second guide wheel 84 on one side corresponds to the shape of the through hole 82a of the second body 82 so as not to rotate on the second body 82. One side is side-cut, the remaining outer peripheral surface is formed with a screw portion, the end portion protruding through the through-hole 82a of the second body 82 and one groove 81b of the first body 81 in turn is fixed nut By being fixed by 84b, the first body 81 and the second body 82 are closely fixed.

A fixing screw 85 is fitted into the other groove 81c of the first body 81, and an end thereof is fastened to the screw hole 82b of the second body 82, and the fixing screw 85 is one side of the second guide wheel. Along with 84, the first body 81 and the second body 82 serve to closely adhere to each other.

The bending bracket 82c of the second body 82 is coupled to the bending bracket 81d of the first body 81 in a state where the height adjusting screw 86 is fixed, and the height adjusting screw 86 is one groove. The first and second bodies 81 and 82 through the center shaft 84a of the one side second guide wheel 84 fitted thereto and the other groove 81c and the fixing screw 85 fitted thereto. It controls the relative movement between them.

One side of the second auxiliary roller is supported on the lower surface of the first guide rail 60 in the lower portion of the second body 82 to prevent the one side second guide wheel 84 from being separated from the first guide rail 60 ( It is preferable that 87 is installed, and the second body 82 is formed with a through groove 82e for detaching the coupling mill of the central axis 87a of the second auxiliary roller 87 on one side and the first body 81. An opening 81f is formed in the through groove 82e so that the fixing member 87b for fixing the central axis 87a of the second auxiliary roller 87 on one side thereof may protrude.

It is also possible to properly adjust the height or left and right balance of the two first sliding doors 90 and 90 'through the two second door hangers 80 and 80' as described above, which is described above with the two first door hangers 70; 70 ') is similar to the height adjustment, the description thereof will be omitted for simplicity.

Both first and second sliding doors 90 and 90 'are fixed to lower ends of the first and second door hangers 70 and 80 and 70' and 80 ', respectively. Is installed in the door frame of the doorway to open and close the doorway, to be moved left and right by both side first and second door hangers (70, 80; 70 ', 80') that are moved left and right along the first guide rail (60). In addition, it can be adjusted appropriately.

The second guide rail 100 is fixed below the first guide rail 60 on the frame 10, and the second guide rail 100 includes both third and fourth door hangers 110, 120, and 110 to be described later. ', 120') to form a movement path of the two second sliding doors (140; 140 ') that are fixed and supported, and protrudes less forward than the first guide rail 60 to open both sides of the first sliding door ( 90; 90 'is preferably formed to overlap on both sides of the second sliding door 140;

Both side third door hangers 110 and 110 ′ are moved to the left and right along the second guide rail 100, and both side third door hangers 110 and 110 ′ are upper portions of one side of both side second sliding doors 140. It is to serve to open and close the two sliding doors (140; 140 ') on both sides while moving to the left and right along the second guide rail 100 in a fixed state with respect to the second guide rail 100, Figure 9 The exploded view of one side of the third door hanger 110 is shown. The following description corresponds to the third door hanger 110 on one side, but since the third door hanger 110 ′ has a symmetrical configuration with the third door hanger 110 on the other side, the third door hanger on the other side ( The same may be applied to 100 ').

As shown in FIG. 9, the one side third door hanger 110 is fixed body 111 fixed to one side upper portion of the second sliding door 140, and an extension body coupled to one side of the fixed body 111 ( 112 and one side of the third guide wheel 113, which is rotatably fixed to the rear side of the fixed body 111 and movable along the second guide rail 100, and the front side of the extended body 112. It is fixed so that it includes a first pulley 114 on one side for fixing the second timing belt (130).

Here, a bracket 111a for fixing to the upper side of the second sliding door 140 is formed at the lower end of the fixing body 111, and the central axis 113a of the third guide wheel 113 at the upper side thereof. Through holes 111b for fixing through are formed.

The extension body 112 coupled to one side of the fixed body 111 is a prerequisite for the left and right movement of the first sliding door 90 to the second timing belt 130 to one side second door hanger 80. One side first pulley 114 on which the second timing belt 130 is fixed so that the belt fastener 83 to be fixed is fixed to one point of the lower end of the second timing belt 130 is one side second door hanger 80. The through hole 112a is extended to pass through the through hole, and a through hole 112a for fixing the through hole of the central axis 114a of the first pulley 114 is formed.

The central axis 113a of the one side of the third guide wheel 113 that is rotatably fixed to the rear side of the fixed body 111 is side-cut so that one side is side-cut so that it cannot be rotated on the fixed body 111, A screw portion is formed on the outer circumferential surface thereof, and the end thereof is fastened by the fixing screw 113b through the through hole 111b of the fixing body 111 having a corresponding shape.

One side of the first pulley 114 is rotatably fixed to the front side of the extension body 112, one side is side-cut so that the central axis 114a is fixed so as not to be rotated on the extension body 112, A screw portion is formed on the outer circumferential surface thereof, and the end thereof is fastened by a fixing screw 114b through the through hole 112a of the extension body 112 having a corresponding shape.

The lower side of the fixing body 111 is supported on the lower surface of the second guide rail 100, one side of the third auxiliary roller 115 to prevent the one side of the third guide wheel 113 is separated from the second guide rail (100) It is preferable to be installed, for this purpose, the fixing body 111 is formed with a through groove 111c for leaving the coupling mill of the central axis 115a of the third auxiliary roller 115 on one side, and one side for fixing thereof. A screw portion is formed at an end of the central shaft 115a of the third auxiliary roller 115 to be fixed by the fixing nut 115b.

Opposite sides of both side third door hangers 110 and 110 'are respectively provided with both side fourth door hangers 120 and 120', and both side fourth door hangers 120 and 120 'are provided with both side second sliding doors 140; 140 ') while the upper part of the other side is fixed and moved along the second guide rails 100 to the left and right, respectively, the two side sliding doors 140 and 140' on both sides together with the third door hangers 110 and 110 '. 10A shows a perspective view of one side of the fourth door hanger 120, and FIG. 10B shows an exploded view of one side of the fourth door hanger 120. The following description corresponds to the one side fourth door hanger 120, but since the other fourth door hanger 120 'has a symmetrical configuration with the one side fourth door hanger 120, the other fourth door hanger ( The same may be applied to 120 ').

As shown in FIGS. 10A and 10B, the one side fourth door hanger 120 has a bracket 121a fixed to the other side of the second sliding door 140 at a lower end thereof, and a through hole 121b at one side upper portion thereof. Is formed and the groove 121c is formed on the other side and the fixed body 121 and the bending bracket 121d is formed on the other end, and overlaps the other side of the fixed body 121 is fixed to be movable left and right and the fixed body ( A through hole 122a communicating with the groove 121c of 121 is formed, and grooves 122b extending laterally on both sides are formed, and at one end thereof, parallel to the bending bracket 121d of the fixed body 121. The movable body 122 having the bending bracket 122c and the central shaft 123a are rotatably fixed to the rear side of the fixed body 121 by passing through the through hole 121b of the fixed body 121. The fourth guide wheel 123 and the central shaft 124a pass through the through hole 122a of the movable body 122. The second pulley 124 rotatably fixed to the front side of the movable body 122 and the grooves 122b of the movable body 122 are respectively fixed to the fixed body 121 to penetrate the movable body 122. ) Is passed through the fixing screw 125 and the bending bracket 122c of the movable body 122 so as to move left and right with respect to the fixed body 121 and the end thereof is bent bracket 121d of the fixed body 121. It is supported by the tension adjusting screw 126 for adjusting the left and right movement amount of the movable body 122 with respect to the fixed body 121.

Here, the fixed body 121 is to act as a kind of bracket that the lower end is fixed on the second sliding door 140 so that the movable body 122 is fixed to be movable on the left and right, one side at the bottom 2, a bracket 121a is formed on the other side of the sliding door 140, and a through hole 121b through which the central axis 123a of the fourth guide wheel 123 is formed is formed on one side and the other side thereof. A groove 121c is formed in which an end of the center shaft 124a of the second pulley 124 is fixed by the fixing nut 124b, and the tension is adjusted through the bending bracket 122c of the movable body 122 at the other end. A bending bracket 121d on which an end of the screw 126 is supported is formed.

The movable body 122, which is overlapped and fixed to the other side of the fixed body 121, is a kind of plate that is relatively moved relative to the fixed body 121, and the center axis 124a of the second pulley 124 is penetrated at the center thereof. And a through hole 122a communicating with the groove 121c of the fixing body 121 to be rotatably fixed, and grooves 122b for fixing screws 125 to be fixed on both sides thereof to be fixed on the fixing body 121. ) Is formed, and at one end, a bending bracket 122c is formed to be parallel to the bending bracket 121d of the fixed body 121, and the tension adjusting screw 126 is screwed through.

As the through hole 121b of the fixed body 121 is fixed to penetrate the central axis 123a, one side of the fourth guide wheel 123 is rotatably fixed to the rear side of the fixed body 121. The fourth guide wheel 123 rotates one side second sliding door 140 coupled to one side fourth door hanger 120 to the left and right along the second guide rail 100 while rotating. The central shaft 123a of the 123 is side cut to correspond to the shape of the through hole 121b so as not to rotate on the fixing body 121, and a thread part is formed on the remaining outer circumferential surface thereof, and the end of the fixing nut 123b is fixed. It is fixed by).

The central shaft 124a is penetrated and fixed to the through hole 122a of the movable body 122 so that one side second pulley 124 is rotatably fixed to the front side of the movable body 122, and one side second pulley 124 is driven by the second timing belt 130 together with one side first pulley 114 rotatably fixed to the front side of one side third door hanger 110, one side second pulley 124 The central shaft 124a of the side) is side-cut to correspond to the shape of the through hole 122a so as not to rotate on the moving body 122, and a threaded portion is formed on the remaining outer circumferential surface thereof, and an end thereof is fixed to the fixing nut 124b. Is fixed by.

A fixing screw 125 is inserted into the groove 122b of the moving body 122 to be fastened to the screw hole 121e of the fixing body 121. The fixing screw 125 is the fixing body 121 and the moving body 122. It serves to secure the close contact.

The tension adjustment screw 126 penetrates the bending bracket 122c of the movable body 122, and an end thereof is supported by the bending bracket 121d of the fixed body 121, and the tension adjusting screw 126 is the movable body 122. One side second pulley 124 fixed to the movable body 122 as the movable body 122 is moved left and right with respect to the fixed body 121 through the groove 122b of the center and the fixing screw 125 fitted thereto. The tension of the second timing belt 130 is adjusted by moving.

One side of the fourth auxiliary roller 127 is supported on the lower surface of the second guide rail 100 in the lower portion of the fixed body 121 to prevent the one side of the fourth guide wheel 123 from being separated from the second guide rail 100. It is preferable to be installed, the fixing body 121 is formed with a through groove 121f for leaving the coupling mill of the central shaft 127a of the fourth auxiliary roller 127 on one side, one side of the fourth for fixing A screw portion is formed at the end of the central shaft 127a of the auxiliary roller 127 and is fixed by the fixing nut 127b.

Both first and second pulleys 114, 124; 114 ′, 124 ′ are driven by two second timing belts 130; 130 ′, and both second timing belts 130; When an action force is applied according to opening and closing of the first and second sliding doors 90 and 90 'at the lower one point fixed by the belt fasteners 83 and 83' provided in the second door hangers 80 and 80 ', respectively. On both sides of the second sliding door 140 while moving left and right while maintaining its shape based on the upper one point fixed by both side belt fasteners 63 and 63 'coupled to the lower end of the first guide rail 60. ; 140 ') to open and close.

Here, the second timing belt (130; 130 ') on both sides of the lower one point is coupled to the two second door hangers (80; 80'), respectively, so that the belt fasteners at the time of movement of the first sliding door (90; 90 ') As it is pulled with respect to the upper end point fixed to (63; 63 '), the left and right movement ranges of the two sliding doors (140; 140') are moved to the left and right while maintaining their shape. Since it is limited by the distance between the belt fasteners 63 and 63 'and the second pulleys 114 and 114', the fixing position of the belt fasteners 63 and 63 'is appropriately moved on the lower end of the first guide rail 60. By doing so, it is possible to ultimately adjust the maximum movement range of the second sliding door 140 (140 ') on both sides.

In addition, both side second timing belts 130 and 130 'may be loosened by continuous opening and closing operations, which may cause a problem in opening and closing operation. In this case, the tension of both second timing belts 130 and 130' may be properly adjusted. You need to adjust it. 11 illustrates a tension adjustment operation of one side second timing belt 130 by one side fourth door hanger 120. The following description corresponds to the tension adjustment of one side second timing belt 130 by one side fourth door hanger 120, but the other fourth door hanger 120 'and one side fourth door hanger 120 Since the configuration is symmetrical, the same may be applied to the tension adjustment of the second timing belt 130 'by the other fourth door hanger 120'.

As shown in FIG. 9, when the tension of the second timing belt 130 is to be adjusted, first, the groove 122b of the movable body 122 is inserted into an end thereof, and the end thereof is screwed into the screw hole 121e of the fixed body 121. ), The fixing screw 125 is fastened appropriately, and the movable body 122 is movable left and right with respect to the fixed body 121, and then penetrates through the bending bracket 122c of the movable body 122. After the tension adjusting screw 126 whose end is supported by the bending bracket 121d of the fixed body 121 is appropriately turned, the movable body 122 is moved left and right with respect to the fixed body 121, and finally, the fixed screw 125 Tighten the fixed body 121 with respect to the movable body 122 is fixed so as not to move left and right anymore.

When the movable body 122 is moved to the left and right with respect to the fixed body 121, one side second pulley 124 fixed to the movable body 122 is also moved left and right together between the first and second pulleys 114 and 124. As the interval of the is adjusted, the tension of the second timing belt 130 for driving connecting the first and second pulleys (114, 124) can be adjusted.

Although shown in the figure as being adjusted to the maximum, in practice it is done to a degree of fine adjustment.

Both sides of the second and second sliding doors 140 and 140 'are fixed to lower ends of the third and fourth door hangers 110 and 120; and the second and second sliding doors 140 and 140'. Installed in the door frame of the doorway and moved along the second guide rail 100, opening and closing the doorway with both side first sliding doors 90; 90 ', in particular, when opening the doorway, both side first sliding doors 90 90 ') gradually overlaps on it.

Hereinafter, the opening operation of the double sliding automatic door (1) according to an embodiment of the present invention will be described in detail:

When the entrance and exit of the person is detected by a sensor (not shown) in the closed state, the drive motor 20 is installed on the upper side of one side on the frame 10 that is fixed above the entrance of the building controller 22 The rotation of the drive motor 20 is transmitted to the drive pulley 30 via the reducer 21, so that the drive pulley 30 rotates in the open direction, and thus the drive pulley ( 30 and the first timing belt 50 caught in the driven pulley 40 are rotated in the opening direction.

When the first timing belt 50 rotates in the opening direction, both first door hangers 70 and 70 ′ coupled to the first timing belt 50 are opposite to each other along the first guide rail 60. The first and second sliding doors 90 and 90 'coupled to the lower ends of the first and second door hangers 70 and 70' are also moved while being moved in opposite directions, and the first and second sliding doors 90 and 90 'are respectively moved. ) Are moved to each of the first sliding doors 90 and 90 'at the same time, and at the bottom of the second timing belts 130 and 130' by the belt fasteners 83 and 83 ', respectively. Both fixed second side door hangers (80; 80 ') are also integrally moved while the upper one point is fixed to both side belt fasteners (63; 63') coupled to the lower end of the first guide rail (60), respectively The timing belts 130 and 130 'are pulled in the open direction, and this force is driven by both of the second timing belts 130 and 130'. Both side second sliding doors 140 and 140 'coupled to the lower ends of the second and second door hangers 110 and 110' are transferred to the second door hangers 110 and 110 ', respectively. Are moved in the open direction, ie onto the fixed door, respectively.

In this case, both of the first sliding doors 90 and 90 'are moved at the same speed as the first timing belt 50, but the second and second sliding doors 140 and 140' are both first and second sliding doors 90 and 90. Since the speed transmitted by ') is divided into the upper and lower ends of the second timing belts 130 and 130' on both sides, the speed is moved at a speed corresponding to 1/2 of the speeds of the first and second sliding doors 90 and 90 '. Both sides of the first sliding doors 90 and 90 ′ which are moved along the first guide rail 60 as the doorway is opened are both second sliding doors 140 and 140 ′ which are moved along the second guide rail 100. Overlapping onto the door, the first and second sliding doors (90, 140; 90 ', 140') on both sides of the fixed door is superimposed upon full opening of the doorway.

When a person's entrance is no longer sensed by a sensor (not shown) in the state in which the entrance is open, the drive motor 20 installed on the upper side of one side of the frame 10 fixed above the entrance of the building is the controller. And rotation of the drive motor 20 is transmitted to the drive pulley 30 via the reduction gear 21, so that the drive pulley 30 rotates in the close direction. The first timing belt 50 caught by the driving pulley 30 and the driven pulley 40 is rotated in the closing direction.

When the first timing belt 50 rotates in the closing direction, the first door hangers 70 and 70 ′ coupled to the first timing belt 50 are angled in the closing direction along the first guide rail 60. The first and second sliding doors 90 and 90 'coupled to the lower ends of the first and second door hangers 70 and 70' are also moved in the closing direction, and both first and second sliding doors 90 and 90 'are moved. When it starts to move, both sides of the first sliding door (90; 90 ') is fixed to both sides of the second timing belt (130; 130') fixed by the belt fasteners (83; 83 ') Both door hangers 80; 80 'are also integrally moved, and the second timing belts 130; 130 fixed to the belt fasteners 63; 63' coupled to the lower end of the first guide rail 60, respectively. ') Is pulled in the closing direction, and this force is transmitted to both of the third door hangers 110 (110') connected to the second timing belt (130; 130 '). As a result, both side second sliding doors 140 and 140 'coupled to the lower ends of both side third door hangers 110 and 110' are also moved along the second guide rails 100 in the closing direction.

In this case as well, the two second sliding doors 140 and 140 'have the speeds transmitted by the first and second sliding doors 90 and 90' to both the upper and lower ends of the second timing belts 130 and 130 '. Since the two parts are moved at a speed corresponding to 1/2 of the speed of the first and second sliding doors 90 and 90 ', the two first and second sliding doors 90 and 90' are gradually overlapped in the overlapping state. 140 ') out of phase.

Therefore, the double sliding automatic door according to the present invention as described above is the entrance and exit as the first and second sliding doors on both sides of the sliding door in the same direction by the guide rail and the timing belt overlap each other on both sides of the fixed door when the door is opened. The passage space of the can be expanded, the height of the sliding door can be adjusted by the door hanger is formed to be adjustable height, the pulley is fixed to the left and right to move the tension belt timing is excellent, there is an excellent effect.

Claims (9)

The drive pulley is fixed to the upper side of the entrance and rotated by a reducer interlocked with the drive motor is installed on one side, and the driven pulley which is connected to the drive pulley by the first timing belt is rotatably installed on the other side and the first and the first 2 a frame on which the guide rail is installed; Two first door hangers coupled to upper and lower ends of the first timing belt and movable in opposite directions along the first guide rail by first guide wheels respectively provided on a rear surface thereof; Both side second door hangers movable in opposite directions along the first guide rail by second guide wheels respectively provided on the rear side; First and second sliding doors fixed to the first and second door hangers on both sides thereof and movable in opposite directions; Two side door hangers movable in opposite directions along the second guide rail by a third guide wheel respectively provided on the front side and respectively provided on the rear side; Second side door hangers each provided with a second pulley at a front side and movable in opposite directions along the second guide rail by a fourth guide wheel provided at a rear side thereof; The first and second pulleys are respectively connected to drive and the upper one point is fixed to the belt fasteners respectively coupled to the lower end of the first guide rail, the lower one point is the belt fastener respectively coupled to the second door hangers on both sides Second timing belts fixed to both sides; And Double sliding doors are fixed to the third and fourth door hangers on both sides and the second sliding doors on both sides of the first sliding doors overlap each other when the door is opened. The method of claim 1, The driven pulley is fixed to the frame so as to be movable left and right to adjust the tension of the first timing belt, and the first and second door hangers on both sides of the first body and the second body are moved by the relative movement of the first body and the second body. 1 is a double sliding automatic door that enables the height adjustment of the sliding door, the second pulley is fixed to the left and right on the frame to allow the tension adjustment of the second timing belt on both sides. The method of claim 1, wherein the first door hanger is A first body having a bracket fixed to one side of the first sliding door at a lower end thereof, a groove inclined parallel to each other at an upper end thereof, and a bending bracket perpendicular to the groove formed at one side thereof; A second body overlapping an upper portion of a rear side of the first body to be relatively movable and having a bending bracket parallel to the bending bracket of the first body; A belt fastener coupled to the second body and fixed to a first timing belt; A first guide wheel having a central axis rotatably fixed through one side groove of the second body and the first body; A fixing screw fastened to the second body through the other groove of the first body; And Double sliding including a height adjusting screw coupled to the bending bracket of the first body in a fixed position on the bending bracket of the second body to adjust the relative movement amount between the first and the second body through the two grooves automatic doors. The method of claim 3, wherein the belt fastener is Double sliding automatic door, characterized in that fixed to the left and right to move relative to the second body. The method of claim 1, wherein the second door hanger is A first body having a bracket fixed to the other side of the first sliding door at a lower end thereof, a groove inclined parallel to each other at an upper end thereof, and a bending bracket perpendicular to the groove formed at one side thereof; A second body overlapping with an upper portion of the rear side of the first body and fixed to be movable relative to the first body and having a bending bracket parallel to the bending bracket of the first body; A belt fastener coupled to the first body and fixed to the second timing belt; A second guide wheel having a central axis rotatably fixed through one side groove of the second body and the first body; A fixing screw fastened to the second body through the other groove of the first body; And And a height adjusting screw coupled to the bending bracket of the first body in a state of being fixed to the bending bracket of the second body to adjust a relative movement amount between the first and second bodies through the both grooves. Double sliding automatic door. The method of claim 5, wherein the belt fastener Double sliding automatic door, characterized in that fixed to be movable in the up, down, left and right relative to the first body. The method of claim 1, wherein the third door hanger is A fixed body having a lower end fixed to one side of the second sliding door; An extension body coupled to one side of the fixed body; A third guide wheel rotatably fixed to the rear side of the fixed body; And Double sliding automatic door, characterized in that it comprises a first pulley rotatably fixed to the front side of the elongated body and the angle is driven by the second timing belt. The method of claim 1, wherein the fourth door hanger is A lower end fixed to the other side of the second sliding door, a fixing hole having a through hole formed at an upper part thereof, a groove formed at the other side thereof, and a bending bracket formed at the other end thereof; Overlaid on the other side of the fixed body so as to be movable left and right, a through hole communicating with the groove of the fixed body is formed in the center and grooves extending from both sides are formed at one end thereof and parallel to the bending bracket of the fixed body at one end. A moving body in which one bending bracket is formed; A fourth guide wheel having a central axis rotatably fixed to the rear side of the fixed body through the through hole of the fixed body; A second pulley having a central axis penetrating the through hole of the movable body and rotatably fixed to the front side of the movable body, respectively; A fixing screw which penetrates the grooves of the movable body and is fixed to the fixed body to support the movable body so as to move left and right with respect to the fixed body; And And a tension adjusting screw penetrating the bending bracket of the movable body and having an end thereof supported by the bending bracket of the fixed body to adjust the left and right movement amount of the movable body with respect to the fixed body. The method of claim 1, The belt fastener coupled to the upper end of the second timing belt is fixed to the position movable on the lower end of the first guide rail is fixed double sliding automatic door, characterized in that for adjusting the maximum movement range of the sliding door.

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