JPH1136695A - Automatic door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To open an opening part for an opening body with simple constitution, without hindrance and to make as small as possible a storage space for the door when it is open while dead space formed by the locus of movement of such a door as an elevator when the opening is opened and closed is made as small as possible. SOLUTION: Flat doors 10, 11 opening and closing an opening 9 in the front of an opening element 1 are supported against first pivots 12, 13 at the upper end of one side and by second pivots 15, 17 displaced toward the guiding side from the upper end of the other side, in such a way that the doors 10, 11 are free to turn about the pivots. The first pivots 12, 13 are moved horizontally along the opening 9 by a drive mechanism P. The second pivots 14, 17 are guided in the longitudinal direction Y along the indoor side walls 2, 3 of the opening element 1 by a guide mechanism G.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic door which can be suitably used as a door of a small elevator, a garage, a toilet or the like which is installed in a detached house or a small apartment house.

[0002]

2. Description of the Related Art In recent years, for the purpose of effective use of land,
Three-story single-family homes are rapidly spreading. In such a house, it is necessary to consider the installation of a device that enables the elderly and the physically handicapped to go up and down the floor without going up and down the stairs, or to easily carry relatively heavy luggage on the third floor. Conventionally, a device for raising and lowering a wheelchair along stairs and a device for vertically raising and lowering a device provided with an invertible fence around a flat plate have been proposed.

[0003]

However, any of the conventional simple elevating devices is insufficient when it is considered that the device is mainly used by elderly people, physically handicapped people and children. The most suitable for such applications are small elevators simplified for ordinary homes,
In order to put such a small elevator into practical use, an automatic door for opening and closing an entrance, which is suitable for ordinary houses, is required. That is, as existing general doors, there are a sliding door, a swing door, a revolving door, and the like.
Because the door reciprocates linearly, space is required beside the doorway of the elevator to accommodate the open door.

[0004] The swing door pivots in either the indoor or outdoor direction with its mounting portion as a fulcrum. When installed in an elevator, the swing door is turned to the indoor side to turn the narrow elevator. Because it squeezes the room, it will inevitably rotate to the outside of the room, but the open door will hinder people coming and going in corridors, etc.In addition, within and around the movement locus of the door, You can't put things on it and it becomes dead space. Furthermore, since the revolving door is a form in which two doors are combined in an orthogonal state and is rotated about the intersection of the center of the door as a fulcrum, a circular space in plan view having a diameter equal to the width of the door is used. Is required, which is a large dead space.

Accordingly, the present invention is capable of opening and closing the opening with a simple configuration without any trouble, while minimizing the dead space due to the movement trajectory of the door when opening and closing the opening of the opening such as an elevator. In addition, an object of the present invention is to provide an automatic door which minimizes the space for housing the door when opened.

[0006]

In order to achieve the above-mentioned object, an automatic door according to the present invention is a flat door which opens and closes an opening at the front of an opening body, and has an upper end on one side. A door supported by the opening so as to be rotatable around each support shaft by a first support shaft and a second support shaft displaced from the upper end of the other side to the indoor side; And a guide mechanism for guiding the second support shaft in the front-rear direction along the indoor side wall of the opening.

In this automatic door, when the opening is opened from the state of being closed by the door, a first support shaft for rotatably supporting the upper end of one side of the flat door by the opening is provided by a driving mechanism. It is moved linearly in the horizontal direction. At this time, the second support shaft for rotatably supporting the upper end of the other side of the door by the opening is disposed at a position displaced from the support point of the upper end of the door toward the indoor side of the opening. Since the guide mechanism guides the door in the front-rear direction along the side wall in the room of the opening, the second support shaft receiving the moving force of the door by the first support shaft smoothly moves along the guide mechanism. Move backward.

As described above, the door is supported by the opening so as to be rotatable around the first support shaft and the second support shaft on both sides at the upper end, and one side thereof is along the opening. And the other side is linearly moved in the front-rear direction along the side wall in the room. As a result, the door enters the room of the opening body while rotating in the direction along the side wall from the opening, and is positioned parallel to the side wall to open the opening. As a result, the dead space generated in the room of the opening body due to the movement trajectory of the door is only a small, substantially triangular area at the corner on the side where the door moves in the room of the opening body.

In the above invention, there is provided a first suspension member for suspending the door by the first support shaft, and the driving mechanism comprises:
A driving device, a traveling belt that is driven by the driving device while supporting the first suspension member and travels, and a first guide member that guides the first suspension member in the left-right direction. Is preferred. Thus, the first suspension member that suspends the door with the first support shaft is moved by the traveling belt that travels by the driving device, and is guided in the front-rear direction by the first guide member that is disposed parallel to the wall surface of the door. ,
The first support shaft can be reliably and smoothly moved to a predetermined moving path with a simple configuration.

In the above invention, a second suspension member for suspending the door by the second support shaft is provided, and the guide mechanism includes a second guide member extending in the front-rear direction, and the second suspension member. And an upper moving body that moves while being guided by the second guide member. Thereby, the door that opens and closes with the driving force of the first support shaft that is supported by the driving mechanism while supporting the upper end of the one side,
The upper end of the other side portion is suspended by the second suspension member via the second support shaft, and the second suspension member is moved along the second guide member via the upper moving body. The two support shafts can also be reliably and smoothly moved to a predetermined movement path with a simple configuration.

Further, in the above invention, a lower moving body is provided at a lower end of one side of the door, and
It is preferable that a third guide member for guiding the lower moving body in the left-right direction is provided. This makes it possible to reliably prevent the door from swaying when the door is moved with a simple configuration, and to move the door stably.

[0012]

Preferred embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a plan view showing an automatic door according to a first embodiment of the present invention, FIG. 2 is a front view of a main part thereof, and FIG. 3 is a cut right side view thereof. In this embodiment, a small elevator 1 for a general house is illustrated as an opening for opening and closing an opening by an automatic door. In FIG. 1, the small elevator 1 is in the form of a box having a front opening with a right wall plate 2, a left wall plate 3, a back wall plate 4, a top plate 7 and a floor plate (FIG. 3) 8. As shown in FIG. 3, the top panel 7 has a decorative panel 7 b adhered to the lower surface of the top panel 7 a, and the floor panel 8 has a floor panel 8 b adhered to the upper surface of the base 8 a, and the floor panel 8 a A carpet 8c is laid.

An opening 9 at the front of the small elevator 1 of FIG.
Is opened and closed by a flat right door 10 and a left door 11,
The suspension support mechanisms S1 and S2 of both doors 10 and 11, the drive mechanism P, the guide mechanism G, and the like are all provided above the top plate 7. The two doors 10 and 11 are respectively provided with a first support shaft 1 provided at an upper end of one side portion near the center with respect to the opening 9.
2, 13, and second support shafts 14, 1 provided displaced inward from the upper end of the other side portion on the outside toward the inside of the room, that is, rearward.
7 are supported by an upper mechanism of the elevator 1 so as to be rotatable around the axis of each of the spindles 12, 13, 14, and 17.
The first support shafts 12 and 13 move along a straight line along the wall surfaces of the doors 10 and 11 with the opening 9 closed, that is, a straight line extending in the left-right direction X along the opening 9. Is to be moved.

Next, the driving mechanism P will be described. A front support plate 19 protruding upward is provided on the top plate 7.
The motor 20 as a drive source of the drive mechanism P is attached to the rear surface of the right end of the front support plate 19. At the left and right ends of the front surface of the front support plate 19, a drive pulley 21 which is rotationally driven by a motor 20 is provided.
And a driven pulley 22 are rotatably mounted, and a traveling belt 23 is wound around the pulleys 21 and 22. The traveling belt 23 is fed in either the R direction or the anti-R direction shown in FIG.

At the upper and lower portions of the running belt 23, right and left first hanging members 24 and 27 in the form of hangers are attached, respectively. That is,
As clearly shown in FIGS. 2 and 3, both first suspension members 24, 27 connect the traveling belt 23 with the mounting portions bent at right angles to their rear ends and the mounting plate portions 28, 28. By being sandwiched and connected and fixed to each other by a fixing screw 29, they are fixed to the traveling belt 23 in a suspended state. Further, both first suspension members 24 and 27 are formed with support plate portions 30 and 31 by bending the lower ends thereof rearward and forward, respectively.
The upper ends of the first support shafts 12, 13 having the upper ends of the doors 10, 11 fixed to the lower ends thereof are rotatably attached to the support plate portions 30, 31, respectively, so as to be rotatable about a vertical axis.

Accordingly, the upper ends of the two doors 10 and 11 are suspended from the upper and lower portions of the traveling belt 23 via the first support shafts 12 and 13 and the first suspension members 24 and 27, respectively. , And reciprocate integrally along the opening 9 in a direction away from or close to each other along the opening 9. The first support shafts 12 and 13 and the corresponding suspending members 24 and 27 form a first
The suspension mechanisms S1 and S2 are configured.

On the front support plate 19, right and left first guide members 32 and 33 each having a guide shaft for guiding each of the first suspension members 24 and 27 are provided with the opening 9 closed. Parallel to the walls of the doors 10, 11;
That is, they are mounted by the pair of fixing members 34 and 37 in a relationship along the left-right direction X and in a relationship of being positioned one above the other. These first guide members 32, 33
A fixing screw 4 is attached to the rear surface of each first suspending member 24, 27.
Linear guides 38, 39 of ball bearing type fixed at 0 are slidably mounted. Therefore, the first suspension members 24 and 27 move as the traveling belt 23 is transported by the linear guides 38 and 39 sliding on the first guide members 32 and 33. In addition,
The driving mechanism P for moving the hanging members 24 and 27 for rotatably supporting the doors 10 and 11 respectively in the left-right direction X includes:
It is composed of a traveling belt 23 and first guide members 32 and 33.

Next, a guide mechanism G for guiding the second support shafts 14 and 17 in the front-rear direction Y along both side wall plates 2 and 3 in the room of the elevator 1 will be described. Top plate 7
On the rear upper surface, a rear support plate 42 is fixed in an arrangement parallel to the front support plate 19, and a pair of second guide members 43, 44 shown in FIG. Are fixed to the right side wall plate 2 and the left side wall plate 3 of the elevator 1 in a parallel arrangement. These second guide members 4
As shown in FIG. 4, which is an enlarged cross-sectional view taken along the line IV-IV in FIG. 3, 3, 44 has a rectangular pipe shape, and an opening along the longitudinal direction is provided on the lower wall thereof. An upper moving body 47 in which four guide rollers 48 are rotatably mounted on an H-shaped support member in plan view is movably disposed inside. The guide mechanism G is constituted by the second guide members 43 and 44 and the upper moving bodies 47 and 47.

On the other hand, the second support shafts 14 and 17 are attached to the guide mechanism G in the following configuration.
That is, as clearly shown in FIG. 3, mounting members 49, 49 are provided on the other side of the doors 10, 11, that is, on the inner surfaces of the right side of the right door 10 and the left side of the left door 11, with corresponding second guides. The second support shafts 14 and 17 are attached to the attachment members 49 and 49, respectively, by lower portions thereof being rotatably inserted around the vertical axis so as to be rotatable around the vertical axis. ing. The upper portions of the second support shafts 14 and 17 are connected to the guide mechanism G via the right and left second suspension members 50 and 51. Each of these spindles 14,
17 and the corresponding hanging members 50 and 51 and the mounting member 4
9 and 49 form the second suspension mechanisms S2 and S2.

The second suspension members 50 and 51 include an upper member 52 attached to the upper moving body 47 in a suspended state,
A lower member 53 is fixed to a lower portion of the upper member 52, and the upper portions of the second support shafts 14 and 17 are inserted through end portions of the lower member 53 that protrude forward from the upper member 52. I have. Thus, the second support shafts 14 and 17 and the upper moving body 4
The reason for shifting the relative position with respect to the front and back of the upper moving body 47 is that the front support plate 19 is provided.
Cannot be moved right above the second support shafts 14 and 17. The left and right second suspension members 50,
As shown in FIG. 4, 51 is connected to each other by a guide bar 57 having both ends sandwiched and fixed between the upper member 52 and the lower member 53. As shown in FIG. 3, the second support shafts 14 and 1 are provided on both left and right sides of the top plate 7.
A slit-shaped guide hole 58 through which the second member 7 is inserted and a recess 54 for moving the lower member 53 of the second suspension members 14 and 17 are provided along the second guide members 43 and 44.

As shown in FIG. 3, a lower moving body 59 having four guide rollers 60 having the same configuration as the upper moving body 47 is provided at the lower end of the doors 10, 11 facing the first support shafts 12, 13. And a third guide member 61 that guides the lower moving body 59 in the left-right direction X is provided on the floor plate portion 8. The third guide member 61 has a rectangular pipe shape, and has an upper wall formed with a long hole along the longitudinal direction through which the support shaft of the lower moving body 59 is inserted, and connects the four guide rollers 60 to the upper wall. The lower moving body 59 is guided while rolling on the inner surface. Therefore, the doors 10 and 11 are connected to the lower moving body 5.
9 guides it in a state of being pulled downward, thereby effectively preventing lateral swaying in the moving direction. Door 1
Similarly, a lower moving body may be provided at the lower ends of the 0 and 11 opposite to the second support shafts 14 and 17, and a third guide member for guiding the lower moving body in the front-rear direction Y may be provided. .

Next, the opening and closing operation of the automatic door according to the first embodiment will be described with reference to FIG. As shown by a solid line in FIG. 5, when a person who gets on and off the elevator 1 presses an opening operation button (not shown) in a state where both doors 10 and 11 close the opening 9, the motor 20 of FIG. The driving belt 23 is rotated in the forward direction, and the traveling belt 23 is fed in the R direction in FIG. As the traveling belt 23 travels, the right first suspending member 24 suspended above the traveling belt 23 slides the linear guide 38 to the first guide member 32 and straightens rightward. The first suspension member 27 on the left side suspended below the traveling belt 23 linearly moves leftward while sliding the linear guide 39 against the first guide member 33. Go.

The first suspension members 24 and 27 are connected to the corresponding doors 10 and 1 via the first support shafts 12 and 13, respectively.
Since the upper end of one side of the door 1 is suspended, the doors 10 and 11
Is moved rightward and leftward with the movement of the first support shafts 12 and 13, respectively. First support shafts 12, 13
Are guided by the first guide members 32 and 33 and the linear guides 38 and 39 sliding on the first guide members 32 and 33, and are moved from the position A in FIG.
It moves linearly along the opening 9 to the position.

On the other hand, the second support shafts 14 and 17
11 is provided at a position displaced rearward from the upper end of the other side of the elevator 1 to the indoor side of the elevator 1, that is, the first support shaft 1
The moving force of the doors 10 and 11 suspended by the second and third members 2 and 13 to the right and left, respectively, is applied to the upper moving bodies 47 and 47 via the second suspending members 50 and 51 in FIG. It acts to move rearward along the guide members 43 and 44. These second suspension members 50, 51
Are the corresponding doors 1 via the second support shafts 14 and 17, respectively.
Since the upper ends of the other sides of the doors 0 and 11 are suspended, the other sides of the doors 10 and 11 are connected to the second support shafts 14 and 1 as shown in FIG.
7 are moved backward with the movement of 7, respectively. Second
The moving directions of the support shafts 14 and 17 are regulated by the second guide members 43 and 44 and the upper moving bodies 47 and 47 guided by the second guide members 43 and 44 and along the side wall plates 2 and 3 from the position C to the position D in FIG. Move linearly. When the second support shafts 14 and 17 reach the D position, the sensor (not shown) operates in a fully opened state, and the motor 20 is stopped by position control by an encoder (not shown) provided on the rotation shaft of the motor 20.

When the opening 9 is closed by the two doors 10, 11, the motor 20 rotates in the reverse direction and the traveling belt 23 moves in the direction indicated by the arrow R in FIG. Rotates in the opposite direction. When the first support shafts 12 and 13 reach the position A, a sensor (not shown) operates in a fully closed state.
The motor 20 is stopped by position control by an encoder (not shown) provided on the 0 rotation axis.

As a result, the doors 10 and 11 are connected to the first support shaft 1.
While rotating the shafts 2 and 13 and the second support shafts 14 and 17 around the respective axis centers, while rotating along the side wall plates 2 and 3 from the solid line position in FIG. It moves into the room of the elevator 1 and moves to the position indicated by the two-dot chain line parallel to the side walls 2, 3 via the position indicated by the broken line and the position indicated by the chain line. At this time, the dead space generated in the room of the elevator 1 due to the movement trajectory of the doors 10 and 11 is only a slight triangular area at both front sides of the room of the elevator 1, and the two doors 10 and 11 are opened in a double door. The dead space can be made much smaller than in a case where the door 10 is mounted in the form and rotated toward the indoor side of the elevator 1, and an installation space such as a door pocket for storing the doors 10 and 11 is not required.

In the automatic door of this embodiment, the opening 9 can be opened and closed by interlocking the two doors 10 and 11 with one motor 20. Is only one of the first support shafts 11 and 12, respectively. Here, when the doors 10 and 11 are opened, pressing forces in the left and right outdoor directions of the elevator 1 act on the second support shafts 14 and 17 on the driven side. 14 and 17 are closer to the indoor side than the first support shafts 11 and 12 (rearward).
Is converted to a direction along the second guide members 43 and 44. Here, both upper moving bodies 4
7 and 47 are connected by the guide bar 57,
Since the pressing force applied to the upper moving bodies 47 and 47 in the left and right directions is borne by the guide bar 57, the upper moving bodies 47
Accordingly, it is possible to prevent a large force from being applied to the left and right outward directions on the second guide members 43 and 44.

FIG. 6 is a cutaway right side view of a main part showing an automatic door according to a second embodiment of the present invention. In FIG.
3 are different from those in FIG. 3 in that a guide mechanism G in the front-rear direction Y is provided by four pipe-shaped second guide members 43 and 44 in FIG. Guide roller 4
8 is replaced by a second guide member 63 composed of a guide shaft and an upper movable body 64 composed of a ball bearing type linear guide that slides on the second guide member 63. It is. In this embodiment, the same operation and effect as those of the first embodiment can be obtained.

In the above embodiments, two doors 1
Although the case where the opening 9 is opened and closed at 0 and 11 has been described as an example, the present invention can of course be applied to the case where the opening is opened and closed with a single door. Further, the present invention can be applied to doors of doorways of small rooms, garages, toilets, etc., in addition to elevator doors. Further, the first guide members 32, 33 of FIG.
The guide mechanism using the linear guides 38 and 39 may be of the same roller type as the guide mechanism using the second guide members 43 and 44 and the guide roller 48 in FIG.

[0030]

As described above, according to the automatic door of the present invention, both sides of the upper end of the door are supported by the opening so as to be rotatable around the first support shaft and the second support shaft, respectively. The first support shaft is moved in the left-right direction along the opening by the drive mechanism, and the second support shaft is guided by the guide mechanism to move in the front-rear direction along the indoor side wall of the opening body. The opening can be opened by rotating the opening in the direction along the side wall from the opening and entering the room of the opening body and positioning the opening parallel to the side wall. Therefore, the dating space generated in the room of the opening body due to the movement trajectory of the door is only a small triangular area in the corner on the side where the door moves in the room of the opening body, and is compared with a normal swing door or a rotating door. The dead space can be made much smaller by doing so, and the door at the time of opening is hardly obstructed by being positioned parallel to the side wall in the room of the opening, so that the door pocket etc. necessary for the sliding door is separately Space for installation is not required.

[Brief description of the drawings]

FIG. 1 is a plan view showing an automatic door according to a first embodiment of the present invention.

FIG. 2 is a front view of a main part of the automatic door.

FIG. 3 is a cut right side view of the automatic door.

FIG. 4 is an enlarged sectional view taken along line IV-IV of FIG.

FIG. 5 is a schematic horizontal sectional view for explaining the operation of the automatic door.

FIG. 6 is a cut-away right side view of a main part showing an automatic door according to a second embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Small elevator (opening), 2, 3 ... Side wall, 9 ... Opening, 10, 11 ... Door, 12, 13 ... 1st support shaft, 14,
17 ... second support shaft, 20 ... motor (drive machine), 23 ... running belt, 24, 27 ... first hanging member, 32, 33 ...
1st guide member, 43, 44, 63 ... 2nd guide member, 4
7, 64: upper moving body, 50, 51: second hanging member, 59: lower moving body, 61: third guide member, P: drive mechanism, G: guide mechanism, X: left-right direction, Y: front-back direction .

Claims (4)

[Claims] 1. A flat door for opening and closing an opening on the front surface of an opening body, comprising: a first support shaft at an upper end of one side; and a second support shaft displaced from the upper end of the other side to the indoor side. A door supported by the opening so as to be rotatable around each support shaft, a drive mechanism for moving the first support shaft in the left-right direction along the opening, and the second support shaft as the opening body An automatic door provided with a guide mechanism for guiding the vehicle in the front-rear direction along the side wall in the room. 2. The apparatus according to claim 1, further comprising a first suspension member for suspending the door with the first support shaft, wherein the driving mechanism supports a driving device and the first suspension member. An automatic door having a traveling belt driven and driven by a driving device and a first guide member for guiding the first suspension member in the left-right direction. 3. The second guide member according to claim 1, further comprising a second suspension member that suspends the door with the second support shaft, wherein the guide mechanism includes a second guide member extending in a front-rear direction,
An automatic door having an upper moving body that supports the hanging member and moves while being guided by the second guide member. 4. A third moving body according to claim 1, wherein a lower moving body is provided at a lower end of one side of the door, and the lower moving body is guided to the opening body in the left-right direction. An automatic door provided with a guide member.