JP6983375B2 - Door guide mechanism for hanging doors - Google Patents

Description

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

Conventionally, the door of a hanging door such as an automatic door device is adapted to guide the lower end side of the door along the sliding direction by a guide rail provided on the floor surface.

However, it may be difficult to install the guide rail depending on the installation location of the door. For example, in factories or hospitals where the floor surface is finished, large-scale renovation work on the floor surface is not preferred due to problems of hygiene and traffic obstruction.

Therefore, in places where it is difficult to install a guide rail on the floor, a door guide mechanism for a suspended door that guides the lower end of the door with a roller should be installed more easily than a guide rail. Because it can be applied, it is preferred.

As a door guide mechanism for a suspended door in which the lower end of the door is guided by a roller, for example, as described in FIGS. 7 and 8 of Patent Document 1, the door is provided with two rollers. There is something that guides you by sandwiching it.
Further, as a door guide mechanism for a suspended door in which the lower end of the door is guided by a roller, as described in FIGS. 1 to 3 of Patent Document 1, between the side pillar and the door. Some are guided by a roller arranged in the gap using the gap and a roller arranged with a door sandwiched between the rollers.

Jitsufuku No. 8-3656

However, in the door guide mechanism of the hanging door described in FIGS. 7 and 8 of Patent Document 1, it is necessary to fix each roller sandwiching the door to the side pillar, and each roller is fixed to the side pillar. Therefore, it is difficult to adjust the position of the roller in the sliding direction of the door, and there is a problem that the installation work becomes complicated.
Further, in the door guide mechanism of the hanging door described in FIGS. 1 to 3 of Patent Document 1, the 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 it is inferior in versatility.

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, which is easy to install and has versatility.

In order to solve the above-mentioned problems and achieve the object, the guide mechanism of the hanging door according to claim 1 of the present invention is the lower end of the door frame forming the opening edge surface of the entrance opening of the hanging door. The door can be slidably moved to the abutting plate portion between the plate-shaped abutting plate portion abutted on the surface on the side where the door of the portion is slid to open and close and the abutting plate portion. With a first door guide portion having a first guide roller arranged to face each other, the abutting plate portion is fixed to the surface, or a portion other than the abutting plate portion is fixed to the floor surface. The lower end portion of the door is attached to the first door guide portion in a region where the position of the door in the sliding direction can be adjusted and is detachably connected and fixed, and the leftover portion of the door is arranged. It has a second door guide portion having a second guide roller arranged to be sandwiched and guided in the sliding direction with one guide roller, the first guide roller and the second guide. The roller is characterized in that at least one of them is made of a flexible material.

Further, in the guide mechanism of the hanging door according to claim 2 of the present invention, in the above invention, the resin plate is fixed to the surface of the abutting plate portion on the side where the door is slid and moved. It is characterized by.

Further, in the above-mentioned invention, the guide mechanism of the hanging door according to claim 3 of the present invention is a door frame from a surface on which the abutting plate portion faces both ends of the door in the sliding direction facing the door. It is characterized in that a downwardly inclined inclined surface is formed toward the surface on the side abutted against the lower end portion of the door.

Further, in the suspension type door guide mechanism according to claim 1 of the present invention, in the above invention, the first door guide portion includes the first plate main body portion including the abutting plate portion, and the first plate main body portion. A slide plate including one guide roller and fixed to the first plate main body so that the distance between the abutting plate portion and the first guide roller can be adjusted by sliding in a direction orthogonal to the sliding direction of the door. It is characterized by having a part and.

Further, the guide mechanism for the hanging door according to claim 4 of the present invention includes a portion in which the second door guide portion is connected and fixed to the first door guide portion in the above invention. The plate main body is provided with a detachable plate portion that is detachably fixed to the second plate main body including the second guide roller, and the second plate main body is the door. A connecting and fixing portion that is directed in the sliding direction of the door and is a portion that is connected and fixed to the first door guide portion, and a detachable plate portion that is directed in a direction orthogonal to the sliding direction of the door and is fixed to the removable plate portion. It is an outer L-shaped plate-shaped member having a removable plate fixing portion, the removable plate portion can be fixed to both sides of the second plate main body portion, and the removable plate portion is the first. By changing the surface fixed to the second plate main body on the front and back, the door can be guided to open and close in different directions on the left and right sides of the door.

In the guide mechanism of the hanging door according to claim 1 of the present invention, the abutting plate portion abutted against the door frame is fixed to the door frame, or a portion other than the abutting plate portion is floored. The second door guide portion is connected and fixed to the first door guide portion fixed to the surface so that the position of the door in the sliding direction can be adjusted and detachably attached. Therefore, in the guide mechanism for the hanging door according to claim 1 of the present invention, only the first door guide portion needs to be fixed at the installation location, and the second door guide portion is attached to the first door guide portion. The door guide portion of the door can be connected and fixed so that the position of the door in the sliding direction can be adjusted.
Further, in the suspension type door guide mechanism according to claim 1 of the present invention, the second guide roller guides the lower end portion of the door to the first guide in the area where the leftover portion of the door is arranged. It is arranged so as to be sandwiched between the rollers and guided in the sliding direction. Therefore, in the guide mechanism of the hanging door according to the first aspect of the present invention, the space in which the second guide roller is arranged secures the space of the left portion of the door in the sliding direction of the door. Since no interfering object is arranged in the direction orthogonal to the sliding direction of the door, a wide space can be secured in the sliding direction of the door and the direction orthogonal to the sliding direction of the door. The scope of application can be expanded, and as a result, rollers of various standard products can be used.
Therefore, the guide mechanism for the hanging door according to claim 1 of the present invention is easy to install and has versatility.
Further, in the guide mechanism of the hanging door according to claim 1 of the present invention, in addition to the above effects, at least one of the first guide roller and the second guide roller has flexibility. By being formed of a material, it is possible to absorb the sound due to the influence of the step between the vertical frame and the lower frame of the door.

The guide mechanism for the hanging door according to claim 2 of the present invention is in contact with the abutting plate portion because the resin plate is fixed to the surface on the side where the door is slid and moved. The frictional resistance generated at the time can be suppressed to a small value, and as a result, damage to the door and noise when the door is slid and moved can be prevented.

In the guide mechanism of the hanging door according to claim 3 of the present invention, the abutting plate portion protrudes from the surface facing the door at both ends of the door in the sliding direction to the lower end portion of the door frame. A downwardly inclined inclined surface is formed toward the surface to be hit.
Therefore, the guide mechanism of the hanging door according to claim 3 of the present invention has the largest thickness due to the inclined surface when the door is slid and moved and is brought into contact with both ends of the abutting plate portion. Since the contact is made from the slightly adjusted tip side, the impact generated when the door is slid and comes into contact with the abutting plate portion is suppressed to a small value, and as a result, the door is damaged and the door is damaged. It is possible to prevent noise when the slide is moved.

The guide mechanism for a hanging door according to claim 1 of the present invention includes the first plate main body portion in which the first door guide portion includes the abutting plate portion, and the first guide roller. The first plate main body portion has a slide plate portion in which the distance between the abutting plate portion and the first guide roller is fixed so as to be slidably adjustable in a direction orthogonal to the sliding direction of the door.
Therefore, the guide mechanism for 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 to slide the sliding plate portion with the abutting plate portion and the first. As a result, 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. , The distance between the first guide roller and the second guide roller can be easily adjusted to the optimum distance for sandwiching the door.

The guide mechanism for a hanging door according to claim 4 of the present invention includes a second plate main body portion including a portion in which the second door guide portion is connected and fixed to the first door guide portion, and the said. It has a detachable plate portion that includes a second guide roller and is detachably fixed to the second plate body portion, and the second plate body portion is directed in the sliding direction of the door. A connection fixing portion that is a portion to be connected and fixed to the first door guide portion, and a detachable plate fixing portion that is directed in a direction orthogonal to the sliding direction of the door and to which the detachable plate portion is fixed. It is a plate-shaped member having an outer L-shape, and the removable plate portion can be fixed to both sides of the second plate main body portion, and the removable plate portion is fixed to the second plate main body portion. By changing the front and back surfaces of the door, the door can be guided to open and close in different directions on the left and right sides.
Therefore, the hanging door guide mechanism according to claim 4 of the present invention can be used as the door guide mechanism for opening and closing the door in different directions on the left and right.

FIG. 1 is a schematic view of an automatic door device incorporating a door guide mechanism for a hanging door according to an embodiment of the present invention. 2A and 2B are views of the peripheral portion of the door guide mechanism of the suspended door of the automatic door device shown in FIG. 1 as viewed from the surface of the door on the side facing the door frame, and FIG. 2A is a view showing the portion left behind by the door. It is a figure which showed the state in the middle of opening fully with leaving, and (b) is the figure which showed the state which the door was fully opened leaving the leftover part. FIG. 3 is a perspective view of the door guide mechanism of the hanging door. FIG. 4 is a view of the door guide mechanism of the hanging door in the peripheral portion of the door guide mechanism of the hanging door of the automatic door device shown in FIG. 1 as viewed from above. It is a figure shown by a one-dot chain 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 portion is separated from the first door guide portion. FIG. 6 shows a hanging door in a state where the second door guide portion is separated from the first door guide portion and the covers of the first door guide portion and the second door guide portion 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 from which the cover has been removed. FIG. 8 is an exploded perspective view of the second door guide portion. 9 is an exploded perspective view of the second door guide portion in a state where (a) is the state where the second plate main body portion of the second door guide portion shown in FIG. 8 is turned upside down, and FIG. 9 (b) is (b). It is a perspective view of the 2nd door guide part shown in a). FIG. 10 is a view of the door guide mechanism of the hanging door shown in FIG. 9 as viewed from above. 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. It is a figure.

Hereinafter, preferred embodiments of the hanging door guide mechanism 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 incorporating a door guide mechanism 1 for a hanging door according to an embodiment of the present invention. 2A and 2B are views of the peripheral portion of the door guide mechanism 1 of the hanging door of the automatic door device 100 shown in FIG. 1 as viewed from the surface of the door 120 on the side facing the door frame 110, and FIG. 2A is a view of the door 120. Is a diagram showing a state in which the door 120 is in the process of being fully opened leaving a leftover portion, and (b) is a diagram showing a state in which the door 120 is fully opened leaving a leftover portion. FIG. 3 is a perspective view of the door guide mechanism 1 of the hanging door. FIG. 4 is a view of the door guide mechanism 1 of the hanging door with the peripheral portion of the door guide mechanism 1 of the hanging door of the automatic door device 100 shown in FIG. 1 viewed from above, and the door frame 110 in cross section. It is the figure which showed the door 120 by the alternate long and short dash 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 portion 50 is separated from the first door guide portion 10. FIG. 6 shows a state in which the second door guide portion 50 is separated from the first door guide portion 10, and the covers 40 and 80 of the first door guide portion 10 and the second door guide portion 50 are removed. It is an exploded perspective view of the door guide mechanism 1 of the hanging type door of a state. FIG. 7 is an enlarged perspective view of a portion around the first guide roller 33 of the first door guide portion 10 with the cover 40 removed. FIG. 8 is an exploded perspective view of the second door guide portion 50. 9 is an exploded perspective view of the second door guide portion 50 in a state where the second plate main body portion 60 of the second door guide portion 50 shown in FIG. 8 is turned upside down in FIG. 9 (a). Is a perspective view of the second door guide portion 50 shown in (a). FIG. 10 is a view of the door guide mechanism 1 of the hanging door shown in FIG. 9 as viewed from above. Corresponding to FIG. 4, the door frame 110 of the automatic door device 100 is shown in cross section, and the door 120 is one point. It is a figure shown by a chain line.
The door guide mechanism 1 of the hanging 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 explaining the overall configuration of the automatic door device 100.

The automatic door device 100 is a so-called hanging door. A sensor (not shown) that detects a person or an object approaching the door 120, a door suspension unit 130 that suspends the door 120, a drive mechanism 140 that opens and closes the door 120, and the door 120 and the drive mechanism 140 are connected. It has a connecting tool 150, a door guide mechanism 1 for a hanging door, and a control unit 160 for controlling a drive mechanism 140 based on a signal output from a sensor.

The door frame 110 is made of, for example, an aluminum material, and various shapes are commercially available from a plurality of manufacturers.

An inspection cover (not shown) is detachably attached to the door frame 110 at the front portion of the door frame 110.
The inspection cover can be easily maintained for each mechanism arranged inside the door frame 110 by utilizing the 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 opening / closing control of the door to the control unit.
This sensor is attached, for example, to the front portion of an automatic door device.

The door suspension portion 130 is a portion for suspending the door 120 including a rail 131 which is a guide portion of the door roller 151 provided in the connector 150.

The connector 150 is a portion that connects the door 120 and the drive belt 144 so that the door 120 can be opened and closed by rotating the drive belt 144.

The connecting tool 150 is provided by mounting a door roller 151 provided so as to be arranged at an upper position of the door 120 in a state of being connected to the upper end surface of the door 120 on the rail 131 of the door suspension portion 130. The 120 is designed to be suspended by the door suspension portion 130.
That is, the door 120 moves while being guided in the slide direction D1 by guiding the door roller 151 provided at the upper end portion by the rail 131.

As shown in FIG. 1, the drive mechanism 140 is arranged at a position separated from each other in the slide direction for opening and closing the drive motor 141, the drive pulley 142 connected to the drive motor 141, and the drive pulley 142 and the door 120. It has a driven pulley 143, a drive pulley 142, and a drive belt 144 spanned over the driven pulley 143.

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

First, the first door guide unit 10 will be described.
The first door guide portion 10 abuts against the surface 110a on the side where the door 120 at the lower end of the door frame 110 forming the opening edge surface 110b of the entrance opening 111 of the automatic door device 100 is slid to open and close. It has a plate-shaped abutting plate portion 21 to be formed, and a first guide roller 33 arranged so as to face the abutting plate portion 21 so that the door 120 can be slidably moved between the abutting plate portion 21.

More specifically, the first door guide portion 10 includes a first plate main body portion 20 including the abutting plate portion 21 and constituting the main body portion of the first door guide portion 10, and a first guide roller. A slide plate portion including 33 that abuts against the first plate main body portion 20 and is fixed so that the distance between the plate portion 21 and the first guide roller 33 can be slidably adjusted in the direction D2 orthogonal to the slide direction D1 of the door 120. It has 30 and a cover 40 that covers a part of the first guide roller 33 in an exposed state.

The first plate main body portion 20 is a strip-shaped member made of a stainless steel material, and has an L-shaped cross section bent so that the abutting plate portion 21 stands up at a substantially right angle.
In the first plate main body portion 20, 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 that extends beyond (hereinafter referred to as a floor extending plate portion 22).

The abutting plate portion 21 is fixed to the surface 110a on the side where the door 120 at the lower end of the door frame 110 is slid to open and close.
Therefore, the abutting 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.

Further, the abutting plate portion 21 has inclined surfaces 21c having a downward inclination toward both ends of the door 120 in the sliding direction D1 from the surface facing the door 120 toward the surface abutting the door frame 110. It is formed.
When the door 120 is slid and is brought into contact with both ends of the abutting plate portion 21, the inclined surface 21c is brought into contact with the tip portion side whose thickness is adjusted to be the smallest by the inclined surface 21c. It has a function of suppressing the impact generated when the 120 is slid and is brought into contact with the abutting plate portion 21.

In this embodiment, the resin plate 21b is fixed to the surface of the abutting plate portion 21 on the side facing the door 120. That is, the abutting plate portion 21 is composed of a plate portion made of a stainless steel material of the first plate main body portion 20 and a resin plate 21b.
By fixing the resin plate 21b to the surface facing the door 120 in this way, the portion of the abutting plate portion 21 made of stainless steel comes into contact with the door 120 as compared with the case where the portion made of stainless steel is in contact with the door 120. Since the door 120 becomes slippery when the door 120 is used, the frictional resistance with the door 120 can be suppressed to a small value.
Further, since the resin plate 21b is softer than the material generally used for the door 120, it is possible to prevent the door 120 from being damaged even when it comes into contact with the door 120.

The resin plate 21b has the above-mentioned inclined surfaces 21c formed at both ends of the door 120 in the sliding direction D1.
In this embodiment, the resin plate 21b is fixed to the surface of the abutting plate portion 21 facing the door 120, but 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 main body 20 constitutes the abutting plate 21 to form a surface facing the door 120. For example, the first plate main body 20 The inclined surface 21c may be formed on the 20 itself.

Further, as shown in FIG. 2, the height of the abutting plate portion 21 is adjusted so as not to interfere with the key 121 provided at the lower end portion of the door 120.
Therefore, the door guide mechanism 1 of the hanging door can prevent the abutting plate portion 21 from coming into contact with the key 121 of the door 120 and being damaged.

The floor extending plate portion 22 has a second door guide fixing portion 23 that can adjust the position of the second door guide portion 50 in the slide direction D1 of the door 120 and is detachably connected and fixed, and a slide plate. It has a slide plate fixing portion 24 for fixing the portion 30 so that the slide can be adjusted.

The second door guide fixing portion 23 is provided at an end portion on the side where the abutting plate portion 21 is bent and rises in a substantially right angle direction.
In the second door guide fixing portion 23, the surface on the floor surface F side is inserted between the floor surface F and the connecting fixing portion 61 described later of the second door guide portion 50 along the sliding direction D1 of the door 120. It has a stepped portion 23a formed in a stepped manner 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 the width of the connecting and fixing portion 61.
Further, in the step portion 23a, the step with respect to the portion installed on the floor surface F is substantially the thickness of the connecting fixing portion 61.
Further, the step portion 23a is formed with a plurality of screw member insertion holes 23b for fixing the connecting fixing portion 61 by screwing members SB such as screws and bolts at intervals along the sliding direction D1 of the door 120. ing.

The slide plate fixing portion 24 is provided at an end portion of the floor extending plate portion 22 opposite to the second door guide fixing portion 23.
The slide plate fixing portion 24 is a pair of fixing bolts for screwing a guide slit 24a for guiding the guide protrusion 31c described later of the slide plate portion 30 in the slide direction D2 and a nut for fixing the slide plate portion 30. It has portions 24b and 24b, and a bolt support portion 24c that supports a bolt 26 that abuts against a rotating shaft 32 of the slide plate portion 30 and slides the slide plate portion 30 to move.

The guide slit 24a is a slit formed so as to extend along the slide direction D2 of the slide plate portion 30 at the center position in the width direction of the floor surface extending plate portion 22.
The width of the guide slit 24a is adjusted to be slightly larger than that of the guide protrusion 31c described later of the slide plate portion 30.

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

The bolt support portion 24c is formed with a bolt screw insertion hole 24dd in which the bolt 26 can be screwed into the cut-up piece 24d formed by cutting up the end portion of the floor extending plate portion 22 in a piece shape. There is.
The bolt support portion 24c is provided at the center position in the width direction of the floor surface extending plate portion 22 on the extending end portion side of the floor surface extending plate portion 22 as compared with the guide slit 24a.

The slide plate portion 30 is made of a stainless steel material, and is a portion that is overlapped with the upper surface of the floor surface extending plate portion 22 and is fixed to the floor surface extending plate portion 22 at a predetermined position by sliding and moving. , And a rotating shaft 32 of the first guide roller 33.

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

The notch portion 31a has a notch length from the end of the slide plate main body 31 corresponding to the range of movement of the slide plate portion 30 in the slide direction D2, and the width is slightly larger than the width of the cut-up piece 24d. It has been adjusted.

The length of the pair of bolt insertion slits 31b and 31b in the slide direction D2 of the slide plate portion 30 corresponds to the range of movement 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 projecting piece 31c is a portion that protrudes downward from the center position in the width direction of the end portion of the slide plate main body 31, is fitted in the guide slit 24a, and slides in the direction D2 orthogonal to the slide direction D1 of the door 120. It guides the plate body 31.

The rotating shaft 32 is erected around the notch portion 31a of the slide plate main body 31 at the back end portion in the notch direction.
The rotating shaft 32 is formed with a screwing member screwing hole 32a into which a screwing member SB such as a screw or a bolt for fixing the cover 40 is screwed into the upper end surface.

The first guide roller 33 is made of urethane, for example, and a commercially available one can be used.
By using a soft material such as urethane material for the first guide roller 33, it is possible to absorb the sound due to the influence of 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 the urethane material, and other materials may be used.
The first guide roller 33 is attached to the rotating shaft 32 with a bearing 33a interposed therebetween.

The cover 40 is made of a stainless steel material and covers the first guide roller 33 and its peripheral portion in a state where the portion of the first guide roller 33 in contact with 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 an opening on the front surface facing the door 120 side and a bottom surface facing the floor extending plate portion 22. ..

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

Since the cover 40 is fixed to the slide plate portion 30 via the rotating shaft 32, the cover 40 is slid and moved together with the slide plate portion 30 so that the exposed portion of the first guide roller 33 is kept constant. It covers the first guide roller 33 and its peripheral portion.

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.
Therefore, when the first guide roller 33 is arranged at a position where the gap with the abutting plate portion 21 is minimized in the direction D2 orthogonal to the slide direction D1 of the door 120, the rear wall 43 of the cover 40 is the floor surface. It is closest to the end edge surface of the extending plate portion 22.
On the other hand, when the first guide roller 33 is arranged at a position where the gap with the abutting plate portion 21 is maximized in the direction D2 orthogonal to the slide direction D1 of the door 120, the end portion of the rear wall 43 of the cover is the floor. The gap is enlarged as compared with the state in which the end surface of the surface extending plate portion 22 is closest to the edge surface.

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

Next, the second door guide portion 50 will be described.
The position of the door 120 in the slide direction D1 of the door 120 can be adjusted, the second door guide portion 50 is detachably connected and fixed to the first door guide portion 10, and the leftover portion 120a of the door 120 is arranged. It has a second guide roller 73 arranged so as to sandwich the lower end of the door 120 with the first guide roller 33 in the region and guide it in the slide direction D1.

More specifically, the second door guide portion 50 includes a second plate main body portion 60 including a portion fixed to the first door guide portion 10, and a second guide roller 73. It has a removable plate main body 71 that is detachably connected and fixed to the plate main 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 made of a stainless steel material, and as shown in FIG. 8, is an outer L-shaped plate-shaped member in which the bent portion is bent at a right angle.
The second plate main body 60 is directed to the sliding direction D1 of the door 120, and is orthogonal to the connecting fixing portion 61, which is a portion connected and fixed to the first door guide portion 10, and the sliding direction D1 of the door 120. It has a removable plate fixing portion 62 that is directed to the direction D2 and to which the removable plate portion 70 is fixed.

The connecting fixing portion 61 is inserted into the step portion 23a of the first door guide portion 10, and the portion extending in the slide direction D1 is used to attach / detach the plate fixing portion 62 to the first guide roller 33. The distance in the slide direction D1 is adjusted so that the door guide portion 10 is connected and fixed to the first door guide portion 10.
More specifically, the connecting fixing portion 61 is formed with a plurality of screwing member screwing holes 61a at intervals along the sliding direction D1 of the door 120.
Therefore, in the connecting fixing portion 61, the plurality of screwing member screwing holes 61a are selectively superposed on the plurality of screwing member insertion holes 23b formed in the stepped portion 23a, and the screwing member is screwed into the stepped portion 23a. By fixing by SB, the detachable plate fixing portion 62 is fixed to the first door guide portion by adjusting the distance of the door 120 in the slide direction D1 with respect to the first guide roller 33.

The detachable plate fixing portion 62 is a pair of a positioning hole 62a into which a positioning protrusion 71b described later is inserted and a pair of detachable plate portions 70 for fixing the detachable plate portion 70 with screw members such as screws and bolts. It has screwing members screw insertion holes 62b and 62b.

The removable plate portion 70 is made of a stainless steel material, and is a portion that is overlapped with the surface of the removable plate fixing portion 62 and fixed to the second plate main body portion 60, and the removable plate main body 71 and the second guide roller. It has a rotation shaft 72 of 73.

The removable plate main body 71 has a pair of screw member insertion slits 71a and 71a, and a positioning protrusion 71b.
The pair of screw member insertion slits 71a is a portion through which the screw member to be screwed into the pair of screw member screw insertion holes 62b, 62b of the second plate main body 71 is inserted.

The positioning protrusion 71b is a portion of the end of the removable plate body 71 that protrudes downward from the center position in the width direction, and is fitted into the positioning hole 62a to form a pair of screw member screw insertion holes 62b, 62b. It is a reference hole for positioning and fixing the plate main body 71, which can be attached and detached at three points in combination with the second plate main body portion 60.

The rotating shaft 72 is erected on the removable plate main body 71.
The rotating shaft 72 is formed with a screwing member screwing hole 72a into which a screwing member such as a screw or a bolt for fixing the cover 80 is screwed into the upper end surface.
The second guide roller 73 is made of urethane, for example, and a commercially available one can be used.
By using a soft material such as urethane material for the second guide roller 73, it is possible to absorb the sound due to the influence of 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 the urethane material, and other materials may be used.
The second guide roller 73 is attached to the rotating shaft 72 with the bearing 73a interposed therebetween.

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

As shown in FIG. 9, the removable plate portion 70 is formed to penetrate from the front surface to the back surface of the second plate main body 60 even when the second plate main body 60 is turned upside down. The positioning hole 62a and the pair of screwing member screwing holes 62b and 62b can be positioned and fixed at three points in total.
As shown in FIG. 10, the second door guide portion 50 to which the detachable plate portion 70 is fixed with the second plate main body portion 60 turned upside down is the step portion 23a of the first door guide portion 10. The connecting fixing portion 61 is inserted and fixed from the entrance on the opposite side.
Therefore, the guide mechanism 1 of the hanging door has a guide function with respect to the door 120 which is opened and closed in a direction different from that shown in FIG.

In this embodiment, the detachable plate portion 70 is the same as the slide plate portion 30, and the parts are shared.
That is, the removable plate main body 71, which uses a different expression from the slide plate portion 30 in the constituent portion of the removable plate portion 70, corresponds to the slide plate main body 31 of the slide plate portion 30.
More specifically, the pair of screw member insertion slits 71a and 71a correspond to the pair of bolt insertion slits 31b and 31b, and the positioning protrusion 71b corresponds to the guide protrusion 31c.

The cover 80 is made of stainless steel and covers the second guide roller 73 and its peripheral portion in a state where the portion of the second guide roller 73 in 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 has an opening on the front surface facing the door 120 side and a bottom surface facing the second plate main body 60. ..

Further, the cover 80 is formed with a screwing member insertion hole 81a through which the screwing 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.
The cover 80 is fixed to the rotating shaft 72, and the rear wall 83 and the lower ends of the pair of side walls 82 and 82 are in a state along the outer peripheral surface of the second plate main body 60.
In this embodiment, the cover 80 of the second door guide portion 50 is the same as the cover 40 of the first door guide portion 10 to share parts.

In the door guide mechanism 1 of such a hanging door, as shown in FIGS. 4 and 10, the door 120 at the lower end of the door frame 110 forming the opening edge surface of the entrance opening 111 with the abutting plate portion 21 By fixing to the surface 110a on the side to be slid to open and close, the second guide roller 73 is arranged in the area where the unremaining portion 120a of the door 120 is arranged.
More specifically, the abutting plate portion 21 is fixed to the surface 110a on the side where the door 120 at the corner of the open end edge surface 110b of the door frame 110 is slid.
Then, the second guide roller 73 can be arranged in the vicinity of the open end edge surface 110b. From this state, the second door guide portion so as to increase the distance between the detachable plate fixing portion 62 in the slide direction D1 with respect to the first guide roller 33 within the range hidden by the leftover portion 120a of the door 120. By fixing the 50 to the first door guide portion 10, the position of the second guide roller 73 in the slide direction D1 can be adjusted.
Therefore, when the door 120 is fully opened leaving the leftover portion 120a, the second guide roller 73 does not interfere with a person passing through the entrance opening 111 of the automatic door device 100.
Moreover, in the area where the leftover portion 120a of the door 120 is arranged, the space of the leftover portion 120a of the door 120 can be secured in the sliding direction D1 of the door 120, and the direction D2 orthogonal to the sliding direction D1 of the door 120. Since it is difficult to arrange objects that interfere with each other, a large space can be secured.

Further, as shown in FIGS. 4 and 10, the door guide mechanism 1 of the hanging door is in a direction D2 orthogonal to the slide direction D1 of the door 120 of the first guide roller 33 and the second guide roller 73. The spacing is adjusted to allow the door 120 to be pinched.
The distance between the first guide roller 33 and the second guide roller 73 can be easily adjusted by sliding the slide plate portion 30 of the first door guide portion 10.
The second guide roller 73 is arranged at a position closer to the door 120 than the abutting plate portion 21.
Therefore, the second guide roller 73 comes into contact with the door 120 in preference to the slide plate portion 30.

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

When the control unit 160 receives a signal from the sensor to the effect that a person or an object approaching the door 120 is detected, the control unit 160 drives and controls the drive motor 141 so as to open the door 120.

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

In such an automatic door device 100, when the door 120 is opened and closed, the door roller 151 provided at the upper end portion of the door 120 is guided by the rail 131, and the lower end portion of the door 120 is the door guide mechanism 1 of the hanging door. Guided by.
More specifically, as shown in FIG. 4, the lower end portion of the door 120 is slid and moved while being sandwiched between the first guide roller 33 and the second guide roller 73.
Further, in the automatic door device 100, the door 120 is fully opened with the leftover portion 120a left in consideration of safety, so that the second guide roller 73 interferes with the inlet opening 111 in the fully opened state of the door 120. Instead, it is hidden behind the leftover portion 120a of the door 120.
Therefore, the door guide mechanism 1 of the hanging door does not interfere with the person passing through the entrance opening 111.

In the door guide mechanism 1 of the hanging door according to the embodiment of the present invention, the abutting plate portion 21 abutted against the door frame 110 is fixed to the door frame 110, or a portion other than the abutting plate portion 21 is fixed. The second door guide portion 50 is connected and fixed to the first door guide portion 10 fixed to the floor surface F so that the position of the door 120 in the sliding direction D1 can be adjusted and detachably connected. Therefore, in the hanging door guide mechanism 1 according to the embodiment of the present invention, only the first door guide portion 10 needs to be fixed to the installation location, and moreover, the second door guide portion 10 is attached to the first door guide portion 10. The door guide portion 50 of the door 120 can be connected and fixed in an adjustable position in the sliding direction D1 of the door 120.
Further, in the suspension type door guide mechanism 1 according to the embodiment of the present invention, the second guide roller 73 guides the lower end portion of the door 120 in the area where the unremaining portion 120a of the door 120 is arranged. It is arranged so as to be sandwiched between the roller 33 and guided in the slide direction D1. Therefore, in the guide mechanism 1 of the hanging door according to the embodiment of the present invention, the space where the second guide roller 73 is arranged is the space of the leftover portion 120a of the door 120 in the slide direction D1 of the door 120. Since it can be secured and no interference is arranged in the direction D2 orthogonal to the sliding direction D1 of the door 120, a wide space can be secured in the sliding direction D1 of the door 120 and the direction D2 orthogonal to the sliding direction D1. The applicable range of the dimensions 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 for the hanging door according to the embodiment of the present invention is easy to install and has versatility.

Further, in the door guide mechanism 1 of the hanging door according to the embodiment of the present invention, since the abutting plate portion 21 is fixed to the surface on the side where the door 120 is slid and moved, the resin plate 21b is fixed to the door. The frictional resistance generated when the door 120 is in contact with the 120 can be suppressed to a small value, and as a result, damage to the door 120 and noise when the door 120 is slid and moved can be prevented.

Further, in the door guide mechanism 1 of the hanging door according to the embodiment of the present invention, the abutting plate portion 21 of the door frame 110 is located at both ends of the door 120 in the sliding direction D1 from the surface facing the door 120. A downwardly inclined inclined surface 21c is formed toward the surface on the side abutted against the lower end portion.
Therefore, 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 moved and is brought into contact with both ends of the abutting plate portion 21. Since the contact is made from the slightly adjusted tip side, the impact generated when the door 120 is slid and comes into contact with the abutting plate portion 21 is suppressed to a small value, and as a result, the door 120 is damaged and the door 120 is damaged. It is possible to prevent noise when the slide is moved.

Further, in the door guide mechanism 1 of the hanging door according to the embodiment of the present invention, the first door guide portion 10 includes the abutting plate portion 21 and the first plate main body portion 20 and the first guide roller 33. The slide plate portion 30 is fixed to the first plate main body portion 20 so that the distance between the plate portion 21 and the first guide roller 33 can be slidably adjusted in the direction D2 orthogonal to the slide direction D1 of the door 120. And have.
Therefore, the guide mechanism 1 of the hanging door according to the embodiment of the present invention slides the slide plate portion 30 in the direction D2 orthogonal to the slide direction D1 of the door 120, thereby moving the slide plate portion 21 and the abutt plate portion 21 and the second. The distance from one guide roller 33 can be adjusted, and as a result, the distance between the first guide roller 33 and the second guide roller 73 is adjusted in the direction D2 orthogonal to the slide direction D1 of the door 120. Therefore, the distance between the first guide roller 33 and the second guide roller 73 can be easily adjusted to the optimum distance for sandwiching the door 120.

Further, in the door guide mechanism 1 of the hanging door according to the embodiment of the present invention, the second plate main body portion including the portion where the second door guide portion 50 is connected and fixed to the first door guide portion 10. It has a detachable plate portion 70 which includes the second guide roller 73 and is detachably fixed to the second plate main body portion 60, and the second plate main body portion 60 slides the door 120. The detachable plate portion 70 is fixed to the connecting fixing portion 61 which is directed to the direction D1 and is a portion to be connected and fixed to the first guide portion 10 and to the direction D2 orthogonal to the sliding direction D1 of the door 120. It is a plate-shaped member having an outer L-shaped shape having a removable plate fixing portion 62, and the removable plate portion 70 can be fixed to both sides of the second plate main body portion 60, and the removable plate portion 70 is By changing the surface fixed to the second plate main body 60 on the front and back, the door 120 has a guide function for opening and closing in different directions on the left and right sides of the door 120.
Therefore, the hanging door guide mechanism 1 according to the embodiment of the present invention can be used as a guide mechanism for the door 120 for opening and closing in different directions on the left and right sides of the door 120.

The door guide mechanism 1 of the hanging door according to the embodiment of the present invention exemplifies the one incorporated in the automatic door device 100, but the present invention is not limited to this, and if it is a hanging door, for example, it may be a manual door. It may be incorporated.

Although the invention made by the present inventor has been specifically described above based on the above-mentioned examples of the invention, the present invention is not limited to the above-mentioned examples of the invention and does not deviate from the gist thereof. Can be changed in various ways.

1 Door guide mechanism for hanging doors 10 First door guide part 20 First plate main body part 21 Butt plate part 21a Fixing member insertion hole 21b Resin plate 21c Inclined surface 22 Floor surface extending plate part 23 Second Door guide fixing part 23a Step part 23b Screwing member insertion hole 24 Slide plate fixing part 24a Guide slit 24b Fixing bolt part 24c Bolt support part 24d Cut and raised piece 24dd Bolt screw insertion hole 25 Screwing member insertion hole 26 Bolt 30 Slide plate part 31 Slide plate body 31a Notch part 31b Bolt insertion slit 31c Guide protrusion 32 Rotating shaft 32a Screwing member screw insertion hole 33 First guide roller 33a Bearing 40 cover 41 Ceiling wall 41a Screwing member insertion hole 42 Side wall 43 Rear wall 50 Second door guide part 60 Second plate body part 61 Connecting fixing part 61a Screwing member screwing hole 62 Detachable plate fixing part 62a Positioning hole 62b Screwing member screwing hole 70 Detachable plate part 71 Detachable plate body 71a Screwing member insertion slit 71b Positioning protrusion 72 Rotating shaft 72a Screwing member screwing hole 73 Second guide roller 73a Bearing 80 Cover 81 Ceiling wall 81a Screwing member insertion hole 82 Side wall 83 Rear wall 100 Automatic Door device 110 Door frame 110a Face 110b Open end Edge face 111 Entrance opening 120 Door 120a Leftover part 121 Key 130 Door suspension 131 Rail 140 Drive mechanism 141 Drive motor 142 Drive pulley 143 Driven pulley 144 Drive belt 150 Connection tool 151 160 Control unit S Step F Floor surface SB Screwing member

Claims (4)

A plate-shaped abutment plate portion in which the door at the lower end of the door frame forming the opening edge surface of the entrance opening of the hanging door is abutted against the surface on the side to be slid to open and close, and the abutment It has a first guide roller that is arranged to face the abutting plate portion so that the door can be slidably moved between the plate portion and the abutting plate portion, and the abutting plate portion is fixed to the surface or the abutting plate portion is fixed to the surface. The first door guide part where the part other than the plate part is fixed to the floor surface,
The lower end portion of the door is attached to the first door guide portion in a region where the position of the door in the sliding direction can be adjusted and is detachably connected and fixed, and the leftover portion of the door is arranged. A second door guide section having a second guide roller arranged to be sandwiched between the guide rollers and guided in the sliding direction.
Have,
A guide mechanism for a suspended door, wherein the first guide roller and the second guide roller are formed of at least one of flexible materials. The abutt plate portion is
The guide mechanism for a hanging door according to claim 1, wherein the resin plate is fixed to the surface on the side where the door is slid. The abutt plate portion is
The claim is characterized in that a downwardly inclined inclined surface is formed at both ends of the door in the sliding direction from a surface facing the door toward a surface abutting against the lower end of the door frame. The guide mechanism for the hanging door according to 1 or 2. The second door guide portion is
A second plate main body including a portion 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 main body. When,
Have,
The second plate body is
The detachable plate portion is fixed by being directed in the sliding direction of the door and facing the direction orthogonal to the sliding direction of the door and the connecting fixing portion which is a portion to be connected and fixed to the first door guide portion. It is a plate-shaped member having an outer L-shaped shape having a removable plate fixing portion.
The detachable plate portion can be fixed to both sides of the second plate main body portion, and the surface of the removable plate portion fixed to the second plate main body portion can be changed on the front and back sides. The guide mechanism for a hanging door according to claim 1, 2 or 3, wherein the door has a guide function for opening and closing the door in different directions.

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