JP2019218852A - Door guide mechanism for hung door - Google Patents

Abstract

To provide a door guide mechanism for hung doors for which installation work is easy and which is versatile.SOLUTION: The door guide mechanism for hung doors comprises a first door guide part 10 and a second door guide part 50. The first door guide part 10 includes: a pressure plate 21 that is pressed on a surface 110a on the side, of the lower end of a door frame 110 that forms an opening edge face 110b of a hung door 120, on which the door 120 is slid to be opened and closed; and a first guide roller 33 that is disposed opposite the pressure plate 21 so that the door 120 is slidable. The pressure plate 21 is fixed to the surface 110a, or parts of the first door guide part 10 other than the pressure plate 21 are fixed to a floor F. The second door guide part 50 includes a second guide roller 73. The position of the second guide roller 73 is adjustable in the slide direction of the door 120, and the second guide roller 73 is connected firmly to the first door guide part 10 so as to be detachable. The second guide roller 73 is disposed so as to clamp the lower end of the door 120 together with the first guide roller 33 in an area in which a margin section 120a is disposed and guide the door 120 in the slide direction.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a door guide mechanism of a hanging door that guides the lower end side of the hanging door along a sliding direction.

  2. Description of the Related Art Conventionally, a door of a hanging type door such as an automatic door device guides a lower end side of the door along a sliding direction by a guide rail provided on a floor surface.

  However, it may be difficult to install the guide rail depending on the installation location of the door. For example, in a factory or a hospital where the floor is finished, large-scale repair work on the floor is not preferred due to problems of hygiene and impediment to traffic.

  Therefore, in places where it is difficult to install guide rails on the floor surface, the door guide mechanism of the hanging type door, which guides the lower end of the door with rollers, should be installed more easily than the guide rail. Can be applied because it is possible.

As a door guide mechanism of a hanging type door in which the lower end of the door is guided by a roller, for example, as shown in FIG. 7 and FIG. There is something that guides you so as to sandwich it.
Further, as a door guide mechanism of a hanging type door in which a lower end portion of a door is guided by a roller, as described in FIGS. There is a roller that is guided by a roller disposed in a gap by using a gap and a roller disposed with a door interposed between the roller and the roller.

Japanese Utility Model Publication No. 8-3656

However, the door guide mechanism of the hanging type door described in FIGS. 7 and 8 of Patent Document 1 needs to fix each roller sandwiching the door to the side pillar, and furthermore, each roller is fixed to the side pillar. Therefore, there is a problem that it is difficult to adjust the position of the roller in the sliding direction of the door, and the installation work is complicated.
Further, in the door guide mechanism of the hanging door described in FIGS. 1 to 3 of Patent Document 1, a roller must be installed in a narrow space between the side pillar and the door, and the size of the roller is limited. Therefore, there is a problem that the versatility is poor.

  The present invention has been made in view of the above, and an object of the present invention is to provide a door guide mechanism for a hanging door that is easy to install and has versatility.

  In order to solve the above-mentioned problems and achieve the object, a guide mechanism for a hanging door according to claim 1 of the present invention comprises a lower end of a door frame forming an opening edge surface of an entrance opening of the hanging door. A plate-shaped abutment plate portion abutted against a surface on which a door of the portion is slid for opening and closing, and the door is slidably movable between the abutment plate portion and the abutment plate portion. A first guide roller having a first guide roller disposed opposite thereto, wherein the butting plate portion is fixed to the surface, or a portion other than the butting plate portion is fixed to the floor surface; The position of the door in the sliding direction is adjustable and detachably connected to the first door guide portion, and the lower end of the door is located in the area where the remaining portion of the door is disposed. One guidero A second door guide portion having a second guide roller disposed so as to be sandwiched and guided in the sliding direction, wherein the first door guide portion includes the butting plate portion A first plate body, and a direction perpendicular to a sliding direction of the door, wherein a distance between the abutting plate and the first guide roller including the first guide roller is included in the first plate body. And a slide plate portion fixedly slidably adjustable with the slide plate portion, the exposed portion of the first guide roller being fixed through a rotation shaft of the first guide roller erected on the slide plate portion. And the first guide roller minimizes the gap between the slide plate and the abutting plate in the range of movement of the slide plate in the sliding direction. The rear wall forming the end in the sliding direction is disposed close to the end edge surface of the first plate body, and the first guide roller is moved in the sliding direction. In the case where the rear wall is disposed with the largest gap between the abutting plate portion and the rear wall, the slide is arranged such that the gap is larger than in the state where the rear wall is disposed closer to the end edge surface. It is characterized by having a cover whose width in the direction is adjusted in consideration of the amount of sliding movement.

  Further, in the guide mechanism for a hanging door according to claim 2 of the present invention, in the above invention, the abutting plate portion has a resin plate fixed to a surface on which the door is slid. It is characterized by.

  The guide mechanism for a hanging door according to claim 3 of the present invention, in the above invention, wherein the abutting plate portion is provided on both sides of the door in the sliding direction of the door from a surface on a side facing the door. Characterized in that a downwardly inclined surface is formed toward a surface which is abutted against a lower end portion of the device.

  Further, in the guide mechanism for a hanging door according to claim 1 of the present invention, in the above invention, the first door guide section includes a first plate main body section including the butting plate section, A slide plate that includes one guide roller and is fixed to the first plate body so that the distance between the abutting plate portion and the first guide roller can be adjusted in a direction perpendicular to the sliding direction of the door. And a part.

  Further, in the guide mechanism for a hanging door according to claim 4 of the present invention, in the above invention, the second door guide portion includes a portion which is connected and fixed to the first door guide portion. And a detachable plate portion including the second guide roller and detachably fixed to the second plate body portion, wherein the second plate body portion includes the door. A connecting and fixing portion which is directed in the sliding direction of the first door guide portion and serves as a portion which is connected and fixed to the first door guide portion. An L-shaped plate member having a removable plate fixing portion, wherein the removable plate portion can be fixed to both surfaces of the second plate main body portion, and the removable plate portion is Two steps By changing the surface to be secured to over preparative main body in front and back, characterized by forming the guide function of the door relative to the opening and closing of the left and right different directions of the door.

The guide mechanism for a hanging door according to claim 1 of the present invention fixes the butting plate portion abutted on the door frame to the door frame, or a portion other than the butting plate portion on the floor. The second door guide section is connected and fixed to the first door guide section fixed to a surface so that the position in the sliding direction of the door can be adjusted, and the second door guide section can be detachably attached. For this reason, the guide mechanism for the hanging door according to claim 1 of the present invention may be configured such that only the first door guide portion is fixed to the installation location, and the first door guide portion is provided with the second door guide portion. Can be connected and fixed so that the position of the door in the sliding direction can be adjusted.
Further, in the guide mechanism of the hanging door according to claim 1 of the present invention, the second guide roller may move the lower end of the door in the area where the remaining portion of the door is disposed by the first guide. It is arranged so as to be sandwiched by rollers and guided in the sliding direction. For this reason, in the guide mechanism of the hanging door according to claim 1 of the present invention, the space in which the second guide roller is disposed secures the space of the remaining portion of the door in the sliding direction of the door. In the direction orthogonal to the sliding direction of the door, there is no interference, so that a large space can be secured in the sliding direction of the door and in the direction orthogonal thereto, so that the size of the second guide roller can be reduced. The range of application can be expanded, and consequently various standardized rollers can be used.
Therefore, the guide mechanism of the hanging door according to claim 1 of the present invention is easy to install and versatile.

  In the guide mechanism for a hanging door according to claim 2 of the present invention, the butting plate portion is in contact with the door because the resin plate is fixed to the surface on the side where the door is slid. As a result, it is possible to reduce the frictional resistance generated when the door is moved, and as a result, it is possible to prevent the door from being damaged and the noise from being caused when the door is slid.

In the guide mechanism for a hanging door according to claim 3 of the present invention, the abutting plate portion protrudes from both surfaces in the sliding direction of the door toward the lower end of the door frame from surfaces facing the door. A downwardly inclined surface is formed toward the surface to be applied.
For this reason, the guide mechanism of the hanging type door according to claim 3 of the present invention is such that when the door is slid and comes into contact from both ends of the abutment plate portion, the thickness is the largest due to the inclined surface. Since the contact is made from the tip end side which is adjusted to be small, the impact generated when the door is slid and comes into contact with the abutting plate portion is reduced, and as a result, the damage to the door and the door are reduced. Noise during sliding movement can be prevented.

The guide mechanism of the hanging door according to claim 1 of the present invention, wherein the first door guide section includes a first plate body section including the abutting plate section, and the first guide roller. A slide plate portion fixed to the first plate body so as to adjust the distance between the abutment plate portion and the first guide roller in a direction orthogonal to the sliding direction of the door;
For this reason, the guide mechanism of the hanging door according to claim 1 of the present invention slides the slide plate portion in a direction orthogonal to the sliding direction of the door, so that the abutting plate portion and the first door slide. Since the distance between the first guide roller and the second guide roller can be adjusted in a direction orthogonal to the sliding direction of the door as a result, the distance between the first guide roller and the second guide roller can be adjusted. The distance between the first guide roller and the second guide roller can be easily adjusted to an optimum distance for holding the door.

The guide mechanism for a hanging door according to claim 4 of the present invention, wherein the second door guide portion includes a second plate body portion including a portion connected and fixed to the first door guide portion; A removable plate portion that is detachably fixed to the second plate body portion including a second guide roller, wherein the second plate body portion is oriented in the sliding direction of the door, A connection fixing portion that is a portion that is connected and fixed to the first door guide portion, and a detachable plate fixing portion that is oriented in a direction perpendicular to the sliding direction of the door and that fixes the detachable plate portion. An L-shaped plate member having an outer shape, wherein the detachable plate portion is fixable to both surfaces of the second plate body portion, and the detachable plate portion is fixed to the second plate body portion. Surface By changing the front and back, and has a guide function of the door relative to the opening and closing of the left and right different directions of the door.
For this reason, the guide mechanism of the hanging type door according to claim 4 of the present invention can be used as a guide mechanism of the door for opening and closing the door in left and right different directions.

FIG. 1 is a schematic view of an automatic door device incorporating a door guide mechanism of a hanging door according to an embodiment of the present invention. FIG. 2 is a view of a portion around the door guide mechanism of the hanging type door of the automatic door device shown in FIG. 1 as viewed from the side of the door facing the door frame. FIG. FIG. 7B is a diagram illustrating a state in which the door is being fully opened while being left, and FIG. 7B is a diagram illustrating a state in which the door is fully opened except for a part left behind. FIG. 3 is a perspective view of a door guide mechanism of the hanging door. FIG. 4 is a top view of a part around the door guide mechanism of the hanging door of the automatic door device shown in FIG. It is the figure shown by the dashed-dotted line. FIG. 5 is an exploded perspective view of the door guide mechanism of the hanging door in a state where the second door guide is detached from the first door guide. FIG. 6 is a perspective view of a hanging door in a state where the second door guide is detached from the first door guide and the covers of the first door guide and the second door guide are removed. It is an exploded perspective view of a door guide mechanism. FIG. 7 is an enlarged perspective view of a portion around the first guide roller of the first door guide portion with the cover removed. FIG. 8 is an exploded perspective view of the second door guide. FIG. 9A is an exploded perspective view of the second door guide portion in a state where the second plate body portion of the second door guide portion shown in FIG. 8 is turned over, and FIG. It is a perspective view of the 2nd door guide part shown to a). FIG. 10 is a view of the door guide mechanism of the hanging type door shown in FIG. 9 as viewed from above, and the door frame of the automatic door device is shown in cross section corresponding to FIG. 4, and the door is shown by a dashed line. FIG.

  Hereinafter, preferred embodiments of a guide mechanism for a hanging door according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is a schematic view of an automatic door device 100 in which a door guide mechanism 1 for a hanging door according to an embodiment of the present invention is incorporated. FIG. 2 is a view of the peripheral portion of the door guide mechanism 1 of the hanging type door of the automatic door device 100 shown in FIG. 1 as viewed from the surface of the door 120 facing the door frame 110, and FIG. FIG. 5B is a diagram illustrating a state in which the door 120 is being fully opened while leaving a part left behind, and FIG. 4B is a diagram illustrating a state where the door 120 is fully opened leaving a part left behind. FIG. 3 is a perspective view of the door guide mechanism 1 of the hanging door. FIG. 4 is a view in which the vicinity of the door guide mechanism 1 of the hanging door of the automatic door device 100 shown in FIG. 1 is viewed from above the door guide mechanism 1 of the hanging door. FIG. 3 is a diagram showing the door 120 by a dashed line. FIG. 5 is an exploded perspective view of the door guide mechanism 1 of the hanging door in a state where the second door guide unit 50 is detached from the first door guide unit 10. FIG. 6 shows a state in which the second door guide section 50 is detached from the first door guide section 10 and the covers 40 and 80 of the first door guide section 10 and the second door guide section 50 are removed. It is an exploded perspective view of the door guide mechanism 1 of the hanging type door in a state. FIG. 7 is an enlarged perspective view of a portion around the first guide roller 33 of the first door guide unit 10 with the cover 40 removed. FIG. 8 is an exploded perspective view of the second door guide unit 50. FIG. FIG. 9A is an exploded perspective view of the second door guide unit 50 in a state where the second plate body unit 60 of the second door guide unit 50 shown in FIG. 8 is turned upside down, and FIG. FIG. 3 is a perspective view of a second door guide unit 50 shown in FIG. FIG. 10 is a top view of the door guide mechanism 1 of the hanging type door shown in FIG. 9. FIG. 10 is a sectional view of the door frame 110 of the automatic door device 100 corresponding to FIG. It is the figure shown with the dashed line.
The door guide mechanism 1 of the hanging type door according to the embodiment of the present invention is incorporated in the automatic door device 100.
Hereinafter, the details of the door guide mechanism 1 of the hanging door will be described while describing the entire configuration of the automatic door device 100.

  The automatic door device 100 is a so-called hanging type door, and as shown in FIG. A sensor (not shown) for detecting a person or an object approaching the door 120, a door hanging unit 130 for hanging the door 120, a driving mechanism 140 for driving the door 120 to open and close, and connecting the door 120 and the driving mechanism 140 And a control unit 160 that controls the drive mechanism 140 based on a signal output from a sensor.

  The door frame 110 is made of, for example, an aluminum material, and is sold in various shapes by a plurality of manufacturers.

An inspection cover (not shown) is detachably attached to the front portion of the door frame 110.
The inspection cover makes it possible to easily maintain each mechanism disposed inside the door frame 110 by using an opening opened by removing the inspection cover from the door frame 110.

The sensor detects a person or an object approaching the door and outputs a signal necessary for controlling the opening and closing of the door to the control unit.
This sensor is mounted, for example, on the front part of an automatic door device.

  The door suspending unit 130 is a part that suspends the door 120 including a rail 131 serving as a guide part of the door roller 151 provided on the connecting tool 150.

  The connection tool 150 is a part that connects the door 120 and the drive belt 144 so that the door 120 can be opened and closed using the rotational drive of the door 120 drive belt 144.

The door 150 is mounted on the rail 131 of the door hanging unit 130 by mounting a door roller 151 provided so as to be disposed above the door 120 while being connected to the upper end surface of the door 120. The door 120 is suspended by the door suspension unit 130.
That is, the door 120 moves while being guided in the sliding direction D1 by the door roller 151 provided at the upper end being guided by the rail 131.

  As shown in FIG. 1, the driving mechanism 140 is disposed at a position where a driving motor 141, a driving pulley 142 connected to the driving motor 141, and a sliding direction for opening and closing the driving pulley 142 and the door 120 are provided. The driven pulley 143 includes a driven pulley 142 and a driven belt 144 spanned over the driven pulley 143.

  The door guide mechanism 1 of the hanging door includes a first door guide section 10 fixed to the door frame 110, and a second door guide section 50 detachably connected and fixed to the first door guide section 10. And

First, the first door guide unit 10 will be described.
The first door guide portion 10 abuts against a surface 110a on the side where the door 120 at the lower end of the door frame 110 that forms the opening edge surface 110b of the entrance opening 111 of the automatic door device 100 is slid for opening and closing. And a first guide roller 33 disposed opposite to the abutting plate 21 so as to slide the door 120 between the abutting plate 21 and the abutting plate 21.

  More specifically, the first door guide section 10 includes a first plate main body section 20 including a butting plate section 21 and constituting a main body section of the first door guide section 10, and a first guide roller. A slide plate portion fixed to the first plate body portion 20 including the abutment plate 33 so as to adjust the distance between the plate portion 21 and the first guide roller 33 in a direction D2 orthogonal to the slide direction D1 of the door 120. 30 and a cover 40 that covers a part of the first guide roller 33 in an exposed state.

The first plate body 20 is a belt-shaped member made of stainless steel, and has an L-shaped cross section bent so that the abutting plate 21 rises substantially at a right angle.
The first plate main body 20 is configured such that a portion other than the abutting plate portion 21 has a surface opposite to the surface of the door 120 facing the abutting plate portion 21 below the door 120 along the floor surface F. It is a portion extending beyond (hereinafter, referred to as a floor extending plate portion 22).

The butting plate portion 21 is fixed to a surface 110a on the side where the door 120 at the lower end of the door frame 110 is slid for opening and closing.
For this reason, the butting plate portion 21 is formed with a fixing member insertion hole 21a through which a fixing member (not shown) such as a bolt for fixing to the door frame 110 is inserted.

In addition, the abutting plate portion 21 has, at both ends in the sliding direction D <b> 1 of the door 120, an inclined surface 21 c having a downward slope from the surface facing the door 120 to the surface abutting against the door frame 110. Is formed.
When the door 120 is slid and moved to contact from both ends of the abutting plate portion 21, the inclined surface 21c is contacted from the tip end side where the thickness is adjusted to be the smallest by the inclined surface 21c. A function of suppressing an impact generated when the sliding member 120 is slid and brought into contact with the butting plate portion 21 is provided.

In this embodiment, the abutting plate portion 21 has a resin plate 21b fixed to a surface facing the door 120. That is, the butting plate portion 21 is configured by the plate portion made of stainless steel of the first plate main body portion 20 and the resin plate 21b.
Since the resin plate 21b is fixed to the surface facing the door 120 in this manner, the resin plate 21b contacts the door 120 as compared with the case where the stainless steel portion of the abutment plate portion 21 contacts the door 120. Since the door 120 becomes slippery when it is performed, the frictional resistance with the door 120 can be reduced.
Further, since the resin plate 21b is softer than the material generally used for the door 120, the door 120 can be prevented from being damaged even when it comes into contact with the door 120.

In the resin plate 21b, the above-described inclined surfaces 21c are formed at both ends of the door 120 in the sliding direction D1.
In this embodiment, the example in which the resin plate 21b is fixed to the surface of the butting plate portion 21 facing the door 120 is exemplified. However, the present invention is not limited to this, and the resin plate 21b may not be fixed. Good. When the resin plate 21b is not fixed, only the first plate body 20 constitutes the abutting plate 21 and forms a surface facing the door 120. For example, the first plate body 20 The inclined surface 21c may be formed on 20 itself.

2, the height of the butting plate portion 21 is adjusted to a size that does not interfere with the key 121 provided at the lower end portion of the door 120.
For this reason, the door guide mechanism 1 of the hanging type door can prevent the butting plate portion 21 from being damaged by contact with the key 121 of the door 120.

  The floor extending plate portion 22 includes a second door guide fixing portion 23 that adjusts the position of the second door guide portion 50 in the sliding direction D1 of the door 120 and detachably connects and fixes the second door guide portion 50, and a slide plate. And a slide plate fixing portion 24 for fixing the portion 30 so as to be able to slide.

The second door guide fixing portion 23 is provided at an end on the side where the butting plate portion 21 is bent and rises in a substantially right angle direction.
The second door guide fixing portion 23 has a surface on the floor surface F side, and a connection fixing portion 61 described later of the second door guide portion 50 is inserted between the second door guide fixing portion 23 and the floor surface F along the sliding direction D1 of the door 120. It has a step portion 23a formed in a step shape so as to form a possible space.

The width of the step portion 23a in the direction D2 orthogonal to the sliding direction D1 of the door is substantially equal to the width of the connection fixing portion 61.
In the step portion 23a, a step with respect to a portion installed on the floor F is substantially the thickness of the connection fixing portion 61.
Further, in the step portion 23a, a plurality of screwing member insertion holes 23b for fixing the connection fixing portion 61 with screwing members SB such as screws and bolts are formed at intervals along the sliding direction D1 of the door 120. ing.

The slide plate fixing portion 24 is provided at an end of the floor surface extending plate portion 22 opposite to the second door guide fixing portion 23.
The slide plate fixing portion 24 includes a guide slit 24a for guiding a guide protrusion 31c, which will be described later, of the slide plate portion 30 in the sliding direction D2, and a pair of fixing bolts for screwing a nut for fixing the slide plate portion 30. Parts 24b, 24b, and a bolt support part 24c that supports a bolt 26 that slides the slide plate unit 30 by abutting against a rotating shaft 32 of the slide plate unit 30 described later.

The guide slit 24 a is a slit formed to extend along the sliding direction D <b> 2 of the slide plate 30 at the center position in the width direction of the floor extension plate 22.
The width of the guide slit 24a is adjusted to a width slightly larger than a later-described guide protrusion 31c of the slide plate portion 30.

  The pair of fixing bolt portions 24b, 24b is a portion that protrudes from both ends in the width direction of the floor extending plate portion 22 and is inserted into a pair of bolt insertion slits 31b (described later) of the slide plate portion 30.

The bolt support portion 24c has a bolt screw insertion hole 24dd into which the bolt 26 can be screwed into a cut and raised piece 24d formed by cutting and raising the end of the floor surface extending plate portion 22 into a piece. I have.
The bolt support portion 24c is provided at the center of the floor extension plate portion 22 in the width direction on the extension end side of the floor extension plate portion 22 as compared with the guide slit 24a.

  The slide plate portion 30 is made of stainless steel, and is a portion fixed to the floor surface extension plate portion 22 at a predetermined position where the slide plate portion 30 is overlaid on the upper surface of the floor surface extension plate portion 22 and slid, and , A rotation shaft 32 of the first guide roller 33.

  The slide plate main body 31 is formed such that the cut-and-raised piece 24d of the bolt support portion 24c can enter the end portion on the bolt support portion 24c side in the sliding direction D2 in a state of being overlapped on the upper surface of the floor extension plate portion 22. It has a notch 31a, a pair of bolt insertion slits 31b, 31b through which the pair of fixing bolts 24b, 24b are inserted, and a guide projection 31c.

  The cutout portion 31a has a cut length from the end of the slide plate body 31 corresponding to the moving range of the slide plate portion 30 in the slide direction D2, and has a width slightly larger than the width of the piece 24d. Has been adjusted.

  The length of the pair of bolt insertion slits 31b, 31b in the sliding direction D2 of the slide plate portion 30 corresponds to the moving range of the slide plate portion 30 in the slide direction D2, and the width is larger than the outer diameter of the fixing bolt portion 24b. Adjusted to a slightly larger width.

  The guide protruding piece 31c is a portion protruding downward from the center in the width direction of the end of the slide plate body 31, and is fitted in the guide slit 24a and slides in a direction D2 orthogonal to the sliding direction D1 of the door 120. It guides the plate body 31.

The rotating shaft 32 is erected around the notch 31 a of the slide plate body 31 in the cutting direction.
The rotating shaft 32 has a screwing member screw insertion hole 32a into which a screwing member SB such as a screw or a bolt for fixing the cover 40 is screwed.

The first guide roller 33 is made of, for example, urethane, and a commercially available roller can be used.
By using a soft material such as a urethane material for the first guide roller 33, it is possible to absorb the sound caused by the step S (see FIG. 2) between the vertical frame and the lower frame of the door 120.
The first guide roller 33 is not limited to a urethane material, and may use another material.
The first guide roller 33 is attached to the rotating shaft 32 via a bearing 33a.

The cover 40 is made of stainless steel, and covers the first guide roller 33 and a peripheral portion thereof in a state where a portion of the first guide roller 33 that contacts the door 120 is exposed.
The cover 40 has a ceiling wall 41, a pair of side walls 42, 42, and a rear wall 43, and has a front surface facing the door 120 and a bottom surface facing the floor extension plate portion 22. .

In the cover 40, a screw member insertion hole 41 a into which the screw member SB is inserted is formed in the ceiling wall 41, and the ceiling wall 41 is fixed to the upper end surface of the rotating shaft 32. .
When the cover 40 is fixed to the rotation shaft 32, the lower end portion formed by the rear wall 43 and the pair of side walls 42, 42 is in a state along the edge of the floor extension plate portion 22.

  Since the cover 40 is fixed to the slide plate unit 30 via the rotation shaft 32, the cover 40 is slid with the slide plate unit 30 to keep the exposed portion of the first guide roller 33 constant. The first guide roller 33 and its peripheral portion are covered.

In such a cover 40, the width of the slide plate portion 30 in the slide direction D2 is adjusted to a width in consideration of the amount of movement in the slide direction.
For this reason, when the first guide roller 33 is disposed at a position where the gap between the first guide roller 33 and the abutting plate portion 21 is minimized in the direction D2 orthogonal to the sliding direction D1 of the door 120, the rear wall 43 of the cover 40 is on the floor. It is closest to the end edge surface of the extension plate portion 22.
On the other hand, when the first guide roller 33 is arranged at the position where the gap between the first guide roller 33 and the abutting plate portion 21 is maximized in the direction D2 orthogonal to the sliding direction D1 of the door 120, the end of the rear wall 43 of the cover is placed on the floor. The gap is larger than that of the surface extending plate portion 22 closest to the edge of the end portion.

In this embodiment, a screw member insertion hole 25 is formed in a section between the second door guide fixing portion 23 and the slide plate fixing portion 24 of the floor surface extending plate portion 22.
The screw member insertion hole 25 can be used when the first plate body 20 is fixed to the floor F instead of the butting plate 21 fixed to the door frame 110.
As described above, when the first plate body 20 is fixed to the floor surface F via the screwing member insertion holes 25, the butting plate portion 21 functions only as a portion to be abutted without being fixed to the door frame 110. I do.

Next, the second door guide unit 50 will be described.
The second door guide section 50 is connected and fixed to the first door guide section 10 so that the position of the door 120 in the sliding direction D1 can be adjusted and detachably attached, and the remaining portion 120a of the door 120 is disposed. A second guide roller 73 is disposed so as to sandwich the lower end of the door 120 with the first guide roller 33 in the area and to guide the door 120 in the sliding direction D1.

  More specifically, the second door guide section 50 includes a second plate body section 60 including a portion fixed to the first door guide section 10 and a second guide roller 73 including a second guide roller 73. It has a detachable plate body 71 that is detachably connected and fixed to the plate body 60, and a cover 80 that covers a part of the second guide roller 73 in an exposed state.

The second plate main body 60 is a plate-shaped member made of stainless steel and having an L-shaped outer shape with a bent portion bent at a right angle as shown in FIG.
The second plate main body 60 is oriented in the sliding direction D1 of the door 120, and is orthogonal to the sliding direction D1 of the door 120 and the connecting and fixing portion 61 which is a portion connected and fixed to the first door guide 10. And a detachable plate fixing portion 62 to which the detachable plate portion 70 is fixed in the direction D2.

The connection fixing portion 61 is inserted into the step portion 23a of the first door guide portion 10 and uses a portion extending in the sliding direction D1 to detachably attach to the first guide roller 33 using the plate fixing portion 62. Is adjusted in the sliding direction D1 so as to be connected and fixed to the first door guide portion 10.
More specifically, the connection fixing portion 61 is formed with a plurality of screwing member screw insertion holes 61a at intervals along the sliding direction D1 of the door 120.
For this reason, the connection fixing portion 61 selectively overlaps the plurality of screw member insertion holes 61a with the plurality of screw member insertion holes 23b formed in the step portion 23a, and By fixing by SB, the distance between the detachable plate fixing portion 62 in the sliding direction D1 of the door 120 with respect to the first guide roller 33 is adjusted and fixed to the first door guide portion.

  The detachable plate fixing portion 62 includes a pair of positioning holes 62a into which positioning protrusions 71b, which will be described later, of the detachable plate portion 70 are inserted, and a pair of fixing members for fixing the detachable plate portion 70 with screws or bolts. And a screw member insertion hole 62b.

  The removable plate portion 70 is made of stainless steel, and is mounted on the surface of the removable plate fixing portion 62 and fixed to the second plate body portion 60. 73 of the rotation shaft 72.

The removable plate main body 71 has a pair of screwing member insertion slits 71a, 71a, and positioning projections 71b.
The pair of screw member insertion slits 71a are portions through which screw members inserted into the pair of screw member insertion holes 62b of the second plate main body 71 are inserted.

  The positioning projection 71b is a portion protruding downward from the center in the width direction of the end of the detachable plate main body 71, is fitted into the positioning hole 62a, and has a pair of screwing member screw insertion holes 62b, 62b. These holes serve as references for positioning and fixing the detachable plate main body 71 to the second plate main body 60 at three points.

The rotation shaft 72 is erected on the detachable plate main body 71.
The rotating shaft 72 has a screwing member screw insertion hole 72a into which a screwing member such as a screw or a bolt for fixing the cover 80 is screwed.
The second guide roller 73 is made of, for example, urethane, and a commercially available roller can be used.
By using a soft material such as a urethane material for the second guide roller 73, it is possible to absorb the sound caused by the step S (see FIG. 2) between the vertical frame and the lower frame of the door 120.
The second guide roller 73 is not limited to a urethane material, and may use another material.
The second guide roller 73 is attached to the rotating shaft 72 via a bearing 73a.

  As shown in FIG. 6, such a detachable plate portion 70 has a positioning hole 62a and a pair of screw member insertion holes 62b with respect to the detachable plate fixing portion 62 of the second plate main body 60. , 62b are positioned and fixed at three points.

As shown in FIG. 9, the detachable plate portion 70 is formed so as to penetrate from the front surface to the back surface of the second plate body 60 even when the second plate body 60 is turned upside down. The positioning hole 62a and the pair of screw member insertion holes 62b, 62b can be positioned and fixed at three points.
As shown in FIG. 10, the second door guide section 50 to which the detachable plate section 70 is fixed with the second plate main body section 60 turned upside down is provided with a step 23 a of the first door guide section 10. The connection fixing portion 61 is inserted and fixed from the entrance on the opposite side to the fixing member.
For this reason, the guide mechanism 1 of the hanging door has a guide function for the door 120 which is opened and closed in directions different from the left and right directions shown in FIG.

In this embodiment, the removable plate unit 70 is the same as the slide plate unit 30 to share parts.
That is, the detachable plate main body 71, which is different from the slide plate section 30 in the configuration of the detachable plate section 70, corresponds to the slide plate main body 31 of the slide plate section 30.
More specifically, the pair of screw member insertion slits 71a, 71a correspond to the pair of bolt insertion slits 31b, 31b, and the positioning projection 71b corresponds to the guide projection 31c.

The cover 80 is made of stainless steel, and covers the second guide roller 73 and its peripheral portion in a state where a portion of the second guide roller 73 that comes into contact with the door 120 is exposed.
The cover 80 has a ceiling wall 81, a pair of side walls 82, 82, and a rear wall 83, and a front surface facing the door 120 and a bottom surface facing the second plate body 60 are open. .

The cover 80 has a screw member insertion hole 81 a through which a screw member is inserted into the ceiling wall 81, and the ceiling wall 81 is fixed to the upper end surface of the rotating shaft 72.
When the cover 80 is fixed to the rotating shaft 72, the rear wall 83 and the lower ends of the pair of side walls 82 are aligned with the outer peripheral surface of the second plate main body 60.
In this embodiment, the parts of the cover 80 of the second door guide unit 50 are shared by using the same cover as the cover 40 of the first door guide unit 10.

As shown in FIGS. 4 and 10, the door guide mechanism 1 of the hanging type door has a structure in which the abutment plate portion 21 is formed by the door 120 at the lower end of the door frame 110 forming the opening edge surface of the entrance opening 111. By fixing the second guide roller 73 to the surface 110a that is slid for opening and closing, the second guide roller 73 is arranged in an area where the remaining portion 120a of the door 120 is arranged.
More specifically, the abutment plate portion 21 is fixed to a surface 110a on the side on which the door 120 at the corner of the opening edge surface 110b of the door frame 110 slides.
Then, the second guide roller 73 can be arranged near the opening edge surface 110b. From this state, the second door guide unit is configured to extend the interval in the sliding direction D1 of the detachable plate fixing unit 62 with respect to the first guide roller 33 within a range hidden by the remaining portion 120a of the door 120. By fixing the 50 to the first door guide section 10, the position of the second guide roller 73 in the sliding direction D1 can be adjusted.
For this reason, when the door 120 is fully opened except for the remaining portion 120 a, the second guide roller 73 does not obstruct a person passing through the entrance opening 111 of the automatic door device 100.
In addition, in the area where the remaining portion 120a of the door 120 is arranged, a space for the remaining portion 120a of the door 120 can be secured in the sliding direction D1 of the door 120, and the direction D2 perpendicular to the sliding direction D1 of the door 120 can be secured. In this case, it is difficult to dispose the interfering object, so that a large space can be secured.

Further, as shown in FIGS. 4 and 10, the door guide mechanism 1 of the hanging type door has a first guide roller 33 and a second guide roller 73 in a direction D2 orthogonal to the sliding direction D1 of the door 120. The interval is adjusted so that the door 120 can be clamped.
The distance between the first guide roller 33 and the second guide roller 73 can be easily adjusted by sliding the slide plate 30 of the first door guide 10.
Note that the second guide roller 73 is arranged at a position closer to the door 120 than the butting plate portion 21.
For this reason, the second guide roller 73 comes into contact with the door 120 with higher priority than the slide plate unit 30.

  The control unit 160 accommodates a microcomputer in a box, and is connected to the above-described sensor and the drive motor 141 of the drive mechanism 140 by an electric wire (not shown).

  When receiving a signal indicating that a person or an object approaching the door 120 has been detected from the sensor, the control unit 160 controls the driving of the drive motor 141 so as to open the door 120.

  Further, after controlling to open the door 120, the control unit 160 receives a signal indicating that a person or an object passing through the door is not detected by a safety light switch (not shown), and then drives the motor to close the door 120. 141 is driven and controlled.

In such an automatic door device 100, when the door 120 is opened and closed, a door roller 151 provided at an upper end of the door 120 is guided by a rail 131, and a lower end of the door 120 is a door guide mechanism 1 of a hanging door. Guided by
More specifically, as shown in FIG. 4, the lower end of the door 120 is slid while being held between the first guide roller 33 and the second guide roller 73.
Further, the automatic door device 100 is fully opened in a state where the door 120 is left behind in consideration of safety, and the second guide roller 73 interferes with the entrance opening 111 when the door 120 is fully opened. Without being left behind, the door 120 is hidden behind the remaining portion 120a.
For this reason, the door guide mechanism 1 of the hanging door does not obstruct a person passing through the entrance opening 111.

The door guide mechanism 1 of the hanging type door according to the embodiment of the present invention fixes the abutting plate portion 21 abutted on the door frame 110 to the door frame 110, or a portion other than the abutting plate portion 21. With respect to the first door guide section 10 fixed to the floor F, the second door guide section 50 is connected and fixed so that the position of the door 120 in the sliding direction D1 can be adjusted and detachably. For this reason, the guide mechanism 1 for the hanging door according to the embodiment of the present invention only needs to fix the first door guide portion 10 to the installation place. Of the door 120 can be connected and fixed so that the position of the door 120 in the sliding direction D1 can be adjusted.
Further, the guide mechanism 1 of the hanging door according to the embodiment of the present invention is configured such that the second guide roller 73 moves the lower end of the door 120 to the first guide in an area where the remaining portion 120 a of the door 120 is arranged. It is arranged so as to be held between the rollers 33 and guided in the sliding direction D1. For this reason, in the guide mechanism 1 of the hanging type door according to the embodiment of the present invention, the space in which the second guide roller 73 is disposed reduces the space of the remaining portion 120a of the door 120 in the sliding direction D1 of the door 120. Since no obstacle is arranged in the direction D2 perpendicular to the sliding direction D1 of the door 120, a large space can be secured in the sliding direction D1 of the door 120 and the direction D2 perpendicular thereto. The applicable range of the size of the second guide roller 73 can be expanded, and as a result, rollers of various standard products can be used.
Therefore, the guide mechanism of the hanging door according to the embodiment of the present invention is easy to install and versatile.

  Further, in the door guide mechanism 1 of the hanging type door according to the embodiment of the present invention, the abutting plate portion 21 has the resin plate 21b fixed to the surface on which the door 120 slides. The frictional resistance generated when the door 120 is brought into contact with the door 120 can be reduced, and as a result, it is possible to prevent the door 120 from being damaged and noise generated when the door 120 is slid.

Further, the door guide mechanism 1 of the hanging type door according to the embodiment of the present invention has a structure in which the abutting plate portion 21 is provided at both ends in the sliding direction D1 of the door 120 from the side of the door frame 110 from the side facing the door 120. An inclined surface 21c having a downwardly inclined shape is formed toward the surface on the side abutted on the lower end.
For this reason, the guide mechanism 1 of the hanging door according to the embodiment of the present invention has the largest thickness due to the inclined surface 21c when the door 120 is slid and comes into contact from both ends of the butting plate portion 21. Since the contact is made from the tip end side adjusted to be small, the impact generated when the door 120 is slid and comes into contact with the abutting plate portion 21 is suppressed to be small, and as a result, the door 120 is damaged and the door 120 is damaged. Noise during sliding movement can be prevented.

Further, the door guide mechanism 1 of the hanging type door according to the embodiment of the present invention includes the first plate body 20 including the abutting plate 21 in the first door guide 10, and the first guide roller 33. The slide plate portion 30 is fixed to the first plate body portion 20 so as to adjust the distance between the plate portion 21 and the first guide roller 33 in a direction D2 perpendicular to the slide direction D1 of the door 120. And
For this reason, the guide mechanism 1 of the hanging type door according to the embodiment of the present invention slides the slide plate 30 in the direction D2 orthogonal to the slide direction D1 of the door 120, so that the abutment plate 21 and the abutting plate 21 are moved. The distance between the first guide roller 33 and the second guide roller 73 can be adjusted in the direction D2 perpendicular to the sliding direction D1 of the door 120 as a result. Therefore, the distance between the first guide roller 33 and the second guide roller 73 can be easily adjusted to the optimum distance for holding the door 120.

Further, the door guide mechanism 1 of the hanging type door according to the embodiment of the present invention includes a second plate body including a portion where the second door guide 50 is connected and fixed to the first door guide 10. 60, and a detachable plate portion 70 including the second guide roller 73 and detachably fixed to the second plate body portion 60, wherein the second plate body portion 60 slides the door 120. The connection fixing portion 61 which is directed in the direction D1 and is a portion which is connected and fixed to the first guide portion 10 and the detachable plate portion 70 which is directed in a direction D2 orthogonal to the sliding direction D1 of the door 120 is fixed. An L-shaped plate-like member having a detachable plate fixing portion 62, wherein the detachable plate portion 70 is fixable to both surfaces of the second plate body portion 60, and the detachable plate portion 70 By changing the surface to be secured to the second plate body 60 in the front and back, and has a guide function of the door 120 relative to the opening and closing of the left and right directions different door 120.
For this reason, the guide mechanism 1 of the hanging type door according to the embodiment of the present invention can be used as a guide mechanism of the door 120 for opening and closing the door 120 in left and right different directions.

  The door guide mechanism 1 of the hanging door according to the embodiment of the present invention has been exemplified as being incorporated in the automatic door device 100. However, the present invention is not limited to this. It may be incorporated.

  As described above, the invention made by the inventor has been specifically described based on the above-described embodiment of the invention. However, the present invention is not limited to the above-described embodiment of the invention, and does not depart from the gist of the invention. Can be variously changed.

DESCRIPTION OF SYMBOLS 1 Door guide mechanism of suspension type door 10 First door guide part 20 First plate body part 21 Butt plate part 21a Fixing member insertion hole 21b Resin plate 21c Inclined surface 22 Floor extension plate part 23 Second Door guide fixing portion 23a Step portion 23b Screw member insertion hole 24 Slide plate fixing portion 24a Guide slit 24b Fixing bolt portion 24c Bolt support portion 24d Cut-and-raised piece 24dd Bolt screw insertion hole 25 Screw member insertion hole 26 Bolt 30 Slide plate portion 31 Slide plate body 31a Notch portion 31b Bolt insertion slit 31c Guide protrusion 32 Rotation shaft 32a Screw member screw insertion hole 33 First guide roller 33a Bearing 40 Cover 41 Ceiling wall 41a Screw member insertion hole 42 Side wall 43 Rear wall 50 Second door guide Part 60 Second plate body part 61 Connection fixing part 61a Screw member screw insertion hole 62 Removable plate fixing part 62a Positioning hole 62b Screw member screw insertion hole 70 Detachable plate part 71 Removable plate body 71a Screw member insertion Slit 71b Positioning protruding piece 72 Rotating shaft 72a Screw member screw insertion hole 73 Second guide roller 73a Bearing 80 Cover 81 Ceiling wall 81a Screw member insertion hole 82 Side wall 83 Rear wall 100 Automatic door device 110 Door frame 110a Surface 110b Opening End surface 111 Entrance opening 120 Door 120a Remaining portion 121 Key 130 Door hanging portion 131 Rail 140 Drive mechanism 141 Drive motor 142 Drive pulley 143 Follower pulley 144 Drive belt 150 Connector 151 Door pulley 160 Control unit S Step F Floor surface SB Screw Wood

Claims (4)

A plate-shaped abutting plate portion which abuts against a surface on the side where the door at the lower end of the door frame which forms the opening edge surface of the entrance opening of the hanging type door is slid for opening and closing; A first guide roller disposed so as to be slidably movable between the door and the abutting plate portion, wherein the abutting plate portion is fixed to the surface, or A first door guide part in which parts other than the plate part are fixed to the floor surface,
The position of the door in the sliding direction is adjustable and detachably connected to the first door guide portion, and the lower end of the door is fixed to the first door guide in an area where the remaining portion of the door is disposed. A second door guide portion having a second guide roller disposed so as to be nipped with the guide roller and guided in the sliding direction,
Has,
The first door guide section,
A first plate body portion including the butting plate portion, and the first plate body portion including the first guide roller, the distance between the butting plate portion and the first guide roller being the door. A slide plate portion fixed to be slidable in a direction orthogonal to the slide direction of
Has,
The first guide roller is fixed to the slide plate in a state where the exposed portion of the first guide roller is fixed through a rotation shaft of the first guide roller erected on the slide plate portion, and the first guide When the roller is disposed with the clearance between the slide plate and the abutting plate portion being the smallest in the range of movement of the slide plate in the sliding direction, the rear wall forming the end in the sliding direction is the first plate body portion. When the first guide roller is disposed so as to maximize the gap with the abutting plate portion in the range of movement in the sliding direction, the rear wall is disposed at the end portion. A cover in which the width in the sliding direction is adjusted in consideration of the amount of sliding movement so that the gap is larger than the state in which the gap is arranged close to the edge surface. Guide mechanism for hanging doors. The butting plate portion,
The guide mechanism according to claim 1, wherein a resin plate is fixed to a surface on a side where the door is slid. The butting plate portion,
At both ends in the sliding direction of the door, an inclined surface is formed which is inclined downward from a surface facing the door to a surface abutting against a lower end of the door frame. 3. The guide mechanism for a hanging door according to 1 or 2. The second door guide section,
A second plate body portion including a portion connected and fixed to the first door guide portion; and a detachable plate portion detachably fixed to the second plate body portion including the second guide roller. When,
Has,
The second plate body,
A connection fixing portion that is oriented in the sliding direction of the door and is a portion that is coupled and fixed to the first door guide portion, and the detachable plate portion that is oriented in a direction orthogonal to the sliding direction of the door and is fixed. L-shaped plate-shaped member having a detachable plate fixing portion,
The detachable plate portion is configured to be fixable to both surfaces of the second plate body portion, and the detachable plate portion is fixed to the second plate body portion by changing the front and back surfaces, The guide mechanism for a hanging door according to claim 1, wherein the door guide function is provided for opening and closing the door in left and right directions different from each other.

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