JP6163658B2 - Folding door - Google Patents

Description

  The present invention relates to a folding door.

  Since the opening of the building can be opened wide to obtain a feeling of opening, and the comfort and convenience of the building can be enhanced, for example, the number of cases in which folding doors are installed in a living room or the like is increasing.

  Conventionally, a folding door is formed using an aluminum mold, and a door frame composed of an upper frame, a lower frame, and a pair of vertical frames installed on the periphery of an opening of a building, and an upper fence formed using an aluminum mold. (Upper crosspiece), lower eaves (lower eaves), and a rectangular frame-shaped eaves made up of a pair of vertical eaves (vertical crosspieces), and a plurality of doors that hold a shoji such as a glass panel. (For example, refer to Patent Document 1 and Patent Document 2).

  The lower frame of the door frame is formed with a guide rail (guide rail) that is recessed downward and extends from one end to the other end along the longitudinal direction of the lower frame, that is, the width direction of the folding door. Is formed with a suspension rail extending from one end to the other end along the longitudinal direction of the upper frame.

  On the other hand, as shown in FIG. 4, the plurality of doors 1 are rotatably connected around the rotation axis O <b> 1 extending in the vertical direction T <b> 1 between the vertical rods 3, 4 of adjacent doors 1. At this time, when the folding door A (the plurality of doors 1) is folded and opened, the connecting portion S1 disposed outside the opening of the building is provided with a connecting rod 2 made of an aluminum-type material. By respectively connecting to the flange 2 so as to be rotatable, one vertical rod 3 of the door body 1 adjacent to this portion is rotatably connected.

  Further, an aluminum type mullion 5 is rotatably connected to the other vertical rod 4 of the door 1 such as the door end side in the same manner as the connecting rod 2. Further, when the folding door A is folded, the mullion 5 arranged on the opening of the building is projected downward from the lower end portion and engages with the guide rail of the lower frame 6 and is guided by the guide rail. A guide roller that moves in a moving manner, and a suspension wheel that protrudes upward from the upper end and engages with a suspension rail of the upper frame and is guided and moved by the suspension rail while supporting the suspension of the door body 1 are provided. . The suspension wheel is attached to the door 1 so as to be rotatable around a rotation axis extending in the vertical direction T1.

  Thereby, when the folding door A is folded, the vertical rod 4 and the mullion 5 of the door body 1 arranged on the opening of the building are guided by the suspension rail and the guide rail, respectively, and the upper frame and the lower frame of the door frame 7. The folding door A can be opened and closed by sliding along the longitudinal direction T2 of the frame 6.

  Further, the vertical rod 4 or the mullion 5 of the door body 1 on the door butt side of the folding door A is projected upward from the upper end portion thereof, and is suspended from the upper rail around the rotation axis in the vertical direction T1. A pivot (swivel axis) is provided so as to be freely rotatable.

  Further, the vertical rod 4 or the mullion 5 of the door 1 of the folding door A is provided with a stopper member that can be projected and lowered downward from the lower end portion by the operation of the operation lever, and this stopper member engages with the lower frame 6. Thus, the door body 1 and the mullion 5 can be fixed and the folding door A can be held in a closed state.

Japanese Patent Laid-Open No. 11-303494 JP 2006-188909 A

  However, in the said conventional folding door, the stopper member which fixes a door body and hold | maintains in the state which closed the folding door is provided individually. For this reason, it has been strongly desired to improve the design and reduce the cost by supplementing the function of the stopper member with another member (mechanism).

  In view of the above circumstances, the present invention provides a folding door that can improve design and reduce costs by supplementing the function of a conventional stopper member with another member (mechanism). Objective.

  In order to achieve the above object, the present invention provides the following means.

  The folding door of the present invention comprises a door frame and a plurality of doors that are supported by the door frame, and includes a door frame and a shoji, and a rotation axis that extends vertically between adjacent vertical walls of the door bodies. A folding door that is pivotably connected around, and a suspension rail extending in the longitudinal direction is provided on the upper frame of the door frame, and a guide rail extending in the extending direction is provided on the lower frame of the door frame. In addition, at least a part of the door body, or a mullion that is rotatably connected to the door body, protrudes upward from an upper end portion, engages with the suspension rail, and can move along the suspension rail. And a guide roller that protrudes downward from a lower end portion, engages with the guide rail, and is supported so as to be movable along the guide rail. Depending on the operation of the operating means, A first posture housed inside the door or the mullion of the door, and projecting downward from the lower end of the door or the mullion to engage with the guide rail and move along the guide rail Move in the vertical direction so that the second posture to be supported and the third posture that protrudes further downward than the second posture and is locked to the lower frame to restrict the movement of the door body or the mullion It is possible to be provided.

  In the folding door of the present invention, a protrusion is provided on the guide rail, and the guide roller in the third posture is in contact with the protrusion to restrict the movement of the door body or the mullion. It is desirable that

  In the folding door of the present invention, the guide roller is provided so as to be movable in the vertical direction by operating an operation lever or the like of the operation means, and a first posture that is housed inside the door body or the mullion, and the door body The position is freely movable to a second posture that supports the movable body along the guide rail, and a third posture that projects further downward than the second posture and is locked to the lower frame to restrict the movement of the door. Can be changed.

With this, the guide roller is set to the first posture, so that the door can be suspended and the door can be installed at a predetermined position of the opening of the building, and the folding door can be easily assembled. Can be improved.
Moreover, by setting the guide roller to the second posture, the door body can be supported so as to be movable along the guide rail, and can be opened and closed smoothly like a normal folding door.
Furthermore, by setting the guide roller to the third posture, the guide roller can be locked to the lower frame, and the folding door can be held in a closed state or an open state.

  Therefore, in the folding door of the present invention, the guide roller is configured to be movable in the vertical direction, instead of providing the stopper member individually and holding the folding door in a closed state or an open state as in the prior art. Thus, the function of the stopper member can be imparted to the guide roller, and the convenience can be improved. And since it is not necessary to provide a stopper member separately, it becomes possible to aim at the improvement of design property and cost reduction.

  Moreover, in the folding door of the present invention, by providing a protrusion on the guide rail of the lower frame, the guide roller in the third posture abuts on this protrusion so that the movement of the door or mullion can be regulated, With a simple configuration, the function of the stopper member can be imparted to the guide roller reliably and easily.

It is a perspective view which shows the folding door which concerns on one Embodiment of this invention, and is a figure which shows the state which closed the folding door. It is a perspective view which shows the folding door which concerns on one Embodiment of this invention, and is a figure which shows the state (folded state) which opened the folding door. It is a figure which shows the guide roller of the folding door which concerns on one Embodiment of this invention, (a) is a 1st attitude | position, (b) is a 2nd attitude | position, (c) shows the state which made the 3rd attitude | position. It is. It is the cross-sectional view which expanded the connection part of the door body which the conventional folding door adjoins.

  Hereinafter, a folding door according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4.

  First, as shown in FIGS. 1 and 2, for example, the folding door A of the present embodiment includes a door frame 7 installed on the inner periphery of an opening of a building, and a plurality of doors 7 supported by the door frame 7 so as to be opened and closed. A door 1, a connecting rod 2, and a mullion 5 are provided.

  The door frame 7 is formed in a rectangular frame shape by assembling an upper frame 8, a lower frame 6, and a pair of vertical frames 10 and 11 formed using an aluminum mold.

  The upper frame 8 includes a suspension rail 12 extending in the longitudinal direction (width direction of the folding door) T2 from one end to the other end. The lower frame 6 is formed with a guide rail (guide groove) 13 extending in the longitudinal direction T2 from one end to the other end.

  Each of the plurality of doors 1 is a rectangular frame-shaped casket made of an aluminum mold and made up of an upper casket (upper beam) 15, a lower casket (lower pier) 16, and a pair of vertical caskets (vertical beams) 3, 4. 20 is configured to hold a glass panel (paper shovel) 21. Moreover, these door bodies 1 are connected so that the door bodies 1 adjacent to each other can rotate around a rotation axis extending in the vertical direction T1.

  Furthermore, a suspension wheel 22 projects upward from the upper end of the mullion 5 that is connected to a part of the door 1 or the vertical shaft 4 of the door 1 so as to be rotatable around a rotation axis extending in the vertical direction T1. The suspension body 22 is engaged with the suspension rail 12 of the upper frame 8, so that the door body 1 and the mullion 5 are suspended and supported and disposed in the door frame 7. Further, the suspension wheel 22 is attached to the vertical shaft 4 or the mullion 5 so as to be rotatable around a rotation axis extending in the vertical direction T1, and the suspension body 22 is guided by the suspension rail 12 and travels. And the marion 5 can be slid smoothly.

  Further, as shown in FIGS. 1 to 3, some doors 1 or mullions 5 are provided with guide rollers 23 projecting downward from the lower end portions. The lower end side is supported by being inserted into and engaged with the guide rail 13, and the door body 1 is disposed in the door frame 7. Further, the guide roller 23 is guided by the guide rail 13 of the lower frame 6 and moves, whereby the door body 1 can be smoothly slid.

  In addition, the vertical frame 3 of the door 1 disposed adjacent to the vertical frames 10 and 11 is provided with a pivot (swivel axis) 24 that protrudes upward from the upper end portion. It is pivotally supported.

  On the other hand, in the folding door A of the present embodiment, as shown in FIG. 3, the guide roller 23 is accommodated inside the cage 20 or the mullion 5 of the door body 1 according to the operation of the operation lever 25 of the operation means. The first posture (FIG. 3 (a)) and the lower end of the door 1 or the mullion 5 project downward and engage with the guide rail 13, and the door 1 or the mullion 5 moves along the guide rail 13. A second posture (FIG. 3 (b)) that can be supported, and a third posture that protrudes further downward than the second posture and is locked to the lower frame 6 to restrict the movement of the door body 1 or the mullion 5 ( It is provided so as to be movable in the vertical direction T1, as shown in FIG.

  That is, the guide roller 23 can be adjusted stepwise and freely to the positions of the first posture, the second posture, and the third posture by the operation of the operation means.

  Further, in the present embodiment, a protrusion 26 that protrudes upward is provided at a predetermined position of the guide rail 13 of the lower frame 6. And it is comprised so that the movement of the door 1 or the mullion 5 may be controlled when the guide roller 23 of a 3rd attitude | position contacts this protrusion 26. FIG.

  And in the folding door A of this embodiment which consists of the said structure, by operating the operation lever 25, the guide roller 23 moves to the up-down direction T1, and is accommodated in the inside of the cage | basket 20 of the door 1 or the mullion 5 The first posture, the second posture that supports the door 1 and the mullion 5 so as to be movable along the guide rail 13, and further protrudes downward from the second posture, and is locked to the protrusion 26 of the lower frame 6. The position freely changes to the third posture that restricts the movement of the door body 1 and the marion 5.

  For this reason, first, when the door 1 or the mullion 5 is suspended and installed at a predetermined position of the opening of the building, the guide roller 23 is set to the first posture as shown in FIG. Compared with the case where the guide roller 23 is projected in advance, the installation work of the door body 1 and the mullion 5 and the assembly work of the folding door A can be easily performed.

  If the door 1 or the mullion 5 is suspended and installed at a predetermined position in the opening of the building to form the folding door A, the guide roller 23 is brought into the second posture as shown in FIG. The door 1 and the mullion 5 are supported so as to be movable along the guide rail 13. Thereby, opening / closing operation of the folding door A can be performed smoothly.

  Further, as shown in FIG. 3C, when the guide roller 23 is brought into the third posture with the folding door A closed (or opened), the guide roller 23 is locked to the protrusion 26 of the lower frame 6. The folding door A is held in that state.

  Therefore, in the folding door A of the present embodiment, for example, by operating the operation lever 25, the first posture in which the position of the guide roller 23 is accommodated inside the cage 20 or the mullion 5 of the door 1, and the door 1 and the mullion 5 movably supported along the guide rail 13, and project further downward than the second stance, and are locked to the lower frame 6 to restrict the movement of the door body 1 and the mullion 5. It can be freely changed to the third posture.

Thereby, when the door 1 or the mullion 5 is suspended and the predetermined position of the opening of the building is installed, the guide roller 23 is set to the first posture, so that the installation work of the door 1 or the mullion 5 and eventually the folding door Assembling work of A can be easily performed and workability can be improved.
In addition, by setting the guide roller 23 to the second posture, the door body 1 and the mullion 5 can be supported so as to be movable along the guide rail 13, and can be opened and closed smoothly like a normal folding door. become.
Furthermore, by setting the guide roller 23 to the third posture, the guide roller 23 can be locked to the lower frame 6, and the folding door A can be held in a closed state or an open state.

  Therefore, in the folding door A of the present embodiment, the guide roller 23 can be moved in the vertical direction T1 instead of providing the stopper member individually and holding the folding door in a closed state or an open state as in the prior art. With this configuration, the function of the stopper member can be imparted to the guide roller 23, and the convenience can be improved. Further, since the stopper member is not necessary, it is possible to improve the design and reduce the cost.

  Moreover, in the folding door A of this embodiment, the protrusion 26 is provided in the guide rail 13 of the lower frame 6, and the guide roller 23 of a 3rd attitude | position contact | abuts to this protrusion 26, and the movement of the door body 1 or the mullion 5 is carried out. Therefore, the function of the stopper member can be imparted to the guide roller 23 reliably and easily with a simple configuration.

  As mentioned above, although one embodiment of the folding door which concerns on this invention was described, this invention is not limited to said one Embodiment, In the range which does not deviate from the meaning, it can change suitably.

  For example, in the present embodiment, the folding door A is configured to include the connecting rod 2, but the vertical rods 3, 4 of the adjacent door bodies 1 may be directly connected to each other. Further, the mullion 5 may be eliminated and the door 1 may be provided with the guide roller 23 and the suspension wheel 22. Furthermore, it is not necessary to limit the number of doors 1 as in this embodiment.

DESCRIPTION OF SYMBOLS 1 Door body 2 Connecting rod 3 Vertical rod 4 Vertical rod 5 Marion 6 Lower frame 7 Door frame 8 Upper frame 10 Vertical frame 11 Vertical frame 12 Suspension rail 13 Guide rail 15 Upper rod 16 Lower rod 20 框 21 Glass panel (shoji)
22 Suspension wheel 23 Guide roller 24 Pivot 25 Operating means (operating lever)
26 Protrusion A Folding door S1 Linking portion T1 of adjacent door bodies Vertical direction T2 Longitudinal direction (width direction of the folding door)

Claims (2)

A door frame and a plurality of doors made of a saddle and a shoji and supported by the door frame are connected to each other so as to be rotatable around a rotation axis extending in the vertical direction. It ’s a folding door,
A suspension rail extending in the longitudinal direction is provided on the upper frame of the door frame,
A guide rail extending in the extending direction is provided on the lower frame of the door frame,
In addition, at least a part of the door body, or a mullion that is rotatably connected to the door body, protrudes upward from an upper end portion, engages with the suspension rail, and is movable along the suspension rail. A suspension wheel for supporting, and a guide roller that protrudes downward from a lower end portion, engages with the guide rail, and is supported so as to be movable along the guide rail;
The guide roller protrudes downward from the lower end of the door or the mullion to the guide rail in a first posture that is accommodated inside the door or the mullion according to the operation of the operation means. A second posture that engages and supports movement along the guide rail, and protrudes further downward than the second posture, and is locked to the lower frame to restrict movement of the door body or the mullion. The folding door is provided so as to be movable in the vertical direction so as to be in the third posture. In the folding door according to claim 1,
A protrusion is provided on the guide rail,
The folding door is configured such that the guide roller in the third posture abuts on the protrusion and restricts movement of the door body or the mullion.

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