JP2011102470A - Support structure of folding door, and door tail-side panel upper support fitting used for the support structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a support structure configured to suspend both a door tail-side panel and a door head-side panel constituting a folding door only at upper portions thereof. <P>SOLUTION: The support structure of the folding door includes: a door tail-side panel upper support means 20 which suspends an upper end portion close to a right vertical frame of the door tail-side panel 4 so as to be rotatable relative to an upper frame; a door tail-side panel lower support means 30 which rotatably supports a lower end portion close to the right vertical frame of the door tail-side panel 4 on a floor surface; and a door head-side panel support means 40 (Fig.5) which movably suspends the door head-side panel from the upper frame. Since the whole load of the folding door is supported at the same height position on the door tail side and the door head side, no distortion is caused, and opening and closing of the door can be also smoothed. An upper frame-side fitting 22 of the door tail-side panel upper support means is fixed by a screw 25 inserted to the upper frame-side fitting through a holding piece 24 extending over rail collar portions in a state in which it is housed in a rail on the lower surface of the upper frame, and a projection 27 projecting downwardly between the rail collar portions prevents the longitudinal vibration of the door. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a support structure for a folding door (also referred to as a folding door) used as an indoor closet, partition, etc., and further to a door-side panel upper support fitting used in this support structure.

  The folding door includes a door butt side panel that is rotatably supported on one side of the opening frame, and a door tip side panel that is rotatably connected to the other side of the door butt side panel via a connecting means. When the door end side panel is extended substantially flush with the door edge side panel, the other side of the door edge side panel is in close contact with the other side of the opening frame to close the opening. When the front panel is pulled (or pushed), the panels are folded while rotating with respect to each other via the connecting means to open the opening.

  In such a folding door, as a support structure for pivotally supporting the door butt side panel on one side of the opening frame, in Patent Document 1, an upper pivot provided at the upper end of one side of the door butt side panel is disclosed. Is inserted into the insertion hole formed in the upper frame of the opening frame, and the lower pivot fixed to the floor is inserted into the insertion hole formed in the lower end on one side of the door-side panel, and the upper pivot and the lower pivot are rotated. The structure which rotates the door butt side panel as an axis | shaft is employ | adopted. The door-end side panel is suspended by allowing a runner provided rotatably in the thickness direction and the center in the width direction of the upper end portion thereof to run in a rail provided on the upper frame of the opening frame. Has a configuration that does not require a lower rail.

Japanese Utility Model Publication 07-25425

  According to the support structure adopted in Patent Document 1, the floor-side lower pivot inserted into the insertion hole at the lower end of the door bottom panel supports substantially the entire load, and the upper end of the door end panel. The runner of the part will support substantially the entire load. That is, the load of the folding door is supported at two points substantially on the diagonal line, and the balance of the load cannot be maintained, and there is a possibility that the panel is distorted.

  In addition, when opening and closing this folding door, the door end side panel in which the load is supported on the upper end one side and the door end side panel in which the load is supported on the lower end other side rotate with each other, Resistance occurred in the rotation, which hindered smooth opening and closing.

  Therefore, the problem to be solved by the present invention is to solve the problems of the above prior art by adopting a load support structure in which both the door bottom side panel and the door end side panel constituting the folding door are suspended only at the upper end. It is to solve the problem and to provide a door support panel upper support fitting used in the support structure.

  In order to solve this problem, the present invention according to claim 1 is a folding door in which a door-end side panel and a door-end side panel are rotatably connected via connecting means. It is a folding door support structure that supports the front panel, and the upper end on the one end of the door bottom panel is immovable and rotatable with respect to the upper frame attached to the opening where the folding door is installed. A door-end side panel and a door-end side panel having a door-end side panel upper support means for suspending and a door-end side panel upper support means for movably hanging the door-end side panel with respect to the upper frame. The upper panel side support means includes an upper frame side bracket that is housed and fixed in a rail attached to the lower surface of the upper frame, and the door bottom side. Panel side bracket fixed to the panel, and fixed to the panel side bracket and protruding upward And having a shaft portion which is rotatably connected to the frame side bracket.

  The present invention according to claim 2 is a folding door in which a door-end side panel and a door-end side panel are rotatably connected via a connecting means, and an upper frame attached to an opening in which the folding door is installed. The upper end of the door butt side panel is suspended and pivotably supported at the top end of the door end side panel, and is housed and fixed in a rail attached to the lower surface of the upper frame. It has an upper frame side metal fitting, a panel side metal fitting fixed to the door butt side panel, and a shaft portion fixed to the panel side metal fitting and protruding upward and rotatably connected to the upper frame side metal fitting. It is characterized by that.

  According to a third aspect of the present invention, in the door butt side panel upper support bracket according to the second aspect, the upper frame side bracket is provided with a protrusion protruding downward from between the rail flanges while being accommodated and fixed in the rail. And the width of the projection is formed substantially the same as the interval between the rail flanges, thereby preventing the door-side panel from swinging in the front-rear direction.

  According to the present invention, both the door bottom side panel and the door end side panel constituting the folding door are suspended from the upper frame attached to the opening where the folding door is installed by the respective upper support means. Therefore, the entire load of the folding door is supported at the same height position, and there is an effect that no distortion is generated.

  In addition, the door-side panel is immovable in the front-rear and left-right directions with respect to the upper frame and is fixed so as to be rotatable about the shaft portion, so that the folding door can be opened and closed smoothly. .

  In addition, a protrusion having substantially the same width as the interval between the rail flanges is formed to project downward from the upper frame side metal fitting, and the protrusion is moved downward from between the rail collar parts while the upper frame side metal fitting is received and fixed in the rail. By projecting, the effect of preventing the door-side panel from swinging in the front-rear direction can be obtained.

It is the front view (a) which shows the folding door installed in the opening part to which this invention was applied in a closed state, and the enlarged plan view (b) of this folding door. It is a disassembled perspective view which shows attachment of the door bottom side panel of this folding door. It is a see-through | perspective top view which shows the upper part support structure with respect to the door bottom side panel of this folding door. It is the accommodation state figure in the opening frame side mouth end part of the door butt side panel of this folding door. It is a perspective top view which shows the upper support structure with respect to the door-end side panel of this folding door. It is the accommodation state figure with respect to the opening frame of the door-end side panel of this folding door. It is a front view which shows the other folding door structure which can apply this invention in a closed state.

  FIG. 1 shows a folding door 1 to which the support structure of the present invention is applied. The folding door 1 is installed on an opening frame 3 configured as a three-way frame composed of an upper frame 3a and left and right vertical frames 3b and 3c on the floor surface 2, and a door bottom panel 4 having a rectangular shape in plan view. The door-end side panel 5 is rotatably connected by a connecting member 6. The door bottom panel 4 is suspended from the upper frame 3a at the upper end of the right vertical frame 3b by the support structure described later, and the door end panel 5 is attached to the upper frame 3a at the upper end of the left vertical frame 3c. Suspended. A handle 7 for opening / closing operation is attached to an arbitrary position on the left vertical frame 3 c side of the door-end side panel 5.

  The connecting member 6 is provided at the top and bottom ends of the end members 7, 7 fixed to the end of the door end side panel 4 and the door end side panel 5 over the entire length in the height direction. It is formed with rotating parts 8 and 8 such as gears, and the door bottom side panel 4 and the door end side panel 5 can freely rotate by freely rotating while the rotating parts 8 and 8 mesh with each other. It is linked to. By using such a connecting member 6, a gap is generated between the door-end side panel 4 and the door-end side panel 5, so this gap and the connecting member 6 (particularly, the rotating portions 8 and 8 at the upper and lower ends). In order to conceal the sheet, a sheet-like gap concealing material 9 is provided. According to this connecting member 6, the door-end side panel 5 can open the folding door 1 by pulling it toward the front side of FIG. 1 (a) / lower side of FIG. 1 (b), and does not open in the opposite direction. The folding door structure. The end materials 7 and 7 and the gap concealing material 9 constituting the connecting member 6 can be formed of a metal member such as aluminum or a molded resin. In addition, the structure of the connection member 6 shown in the figure is an example, and any other structure may be adopted as long as the door bottom side panel 4 and the door end side panel 5 are rotatably connected.

  As an example, the door-end side panel 4 has a height of 1965 mm, a thickness of 27 mm, and a width of 221.5 mm, and the door-end side panel 5 has the same height and thickness as the door-end side panel 4 and has a width of 455.5 mm. These are rotatably connected by the connecting member 6 with a gap of 20 mm in width, and the dimensions of the folding door 1 in the closed state are 1965 mm in height, 27 mm in thickness, and 697 mm in width. Both the door-end side panel 4 and the door-end side panel 5 can be a flash structure panel.

  The upper frame 3a is formed with a groove 3d opened on the lower surface over the entire length (width direction), and the rail 10 is attached to the groove 3d.

  The folding door 1 has a support structure in which the upper end portion on the right vertical frame 3b side of the door-end side panel 4 is pivotably suspended from the upper frame 3a (FIGS. 2 to 4). A door bottom panel lower support means 30 (FIGS. 2 and 4) for rotatably supporting the lower end of the door bottom panel 4 on the right vertical frame 3b side on the floor surface 2; The door end side panel support means 40 (FIG. 5, FIG. 6) which suspends to the upper frame 3a movably.

  The door butt side panel upper part support means 20 is demonstrated with reference to FIGS. The door-side panel upper support means 20 is provided on the lower surface of the upper frame 3a at a position directly above the panel-side bracket 21 and a panel-side bracket 21 attached to the upper end of the door-side panel 4 on the right vertical frame 3b side. And an upper frame side metal fitting 22 attached thereto. The panel side metal fitting 21 is fitted and accommodated in the fitting hole 11 formed from the upper end 4a of the door-end side panel 4 to the end of the right vertical frame 3b, and is fixed by screws 23.

  The upper frame side metal fitting 22 is formed in a substantially rectangular shape that is narrower than the inner width of the rail 10 attached to the groove 3d on the lower surface of the upper frame 3a and wider than the interval between the rail flanges 10a. Protrusions 27, 27 having substantially the same width as that between the rail flanges 10a are bent at both ends downward. The upper frame side metal fitting 22 is housed inside the rail 10 and is fixed with screws 25 via the holding metal fitting 24 in a state where the pair of protrusions 27 and 27 protrude downward from between the rail flange portions 10a. Since the holding metal fitting 24 is arranged so as to straddle the rail 10, the screw 25 is placed below the screw hole of the holding metal fitting 24 and the screw hole of the upper frame side metal fitting 22 (both not shown). The upper frame side metal fitting 22 is fixed to the upper frame 3a and the rail 10 so as not to move in the panel width direction (left and right direction when viewed from the opening).

  The panel side metal fitting 21 and the upper frame side metal fitting 22 are connected to each other by a shaft portion 26 so as to be rotatable. The shaft portion 26 is formed in a substantially cylindrical shape having a smaller diameter than the through hole (not shown) of the upper frame side metal fitting, and has a shaft head 26a having a larger diameter than the through hole. It is located on the upper surface side of the frame side metal fitting 22 and is accommodated in the rail 10, extends downward through the through-hole, and the lower end is caulked and fixed to the internal elevating member 28 of the panel side metal fitting 21. In this manner, the door-end side panel 4 is suspended by the upper frame 3a at the upper end of the right vertical frame 3b by the door-end side panel upper support means 20, and is rotatable about the shaft portion 26 as a rotation axis. It is.

  Since the upper frame side metal fitting 22 is fixed in a state in which the protrusions 27 and 27 are fitted to the rail flange 10a, the upper frame side metal fitting 22 also moves in the panel thickness direction (front and rear direction when viewed from the opening) with respect to the upper frame 3a. There is nothing to do. Therefore, the door bottom side panel 4 connected to the upper frame side metal fitting 22 via the shaft portion 26 and the panel side metal fitting 21 is prevented from swinging in the panel thickness direction, so that the folding door 1 can be opened and closed smoothly. To do.

  The elevating member 28 in the panel side metal fitting 21 that is caulked and fixed to the lower end of the shaft portion 26 is configured to be able to slightly move up and down in the panel side metal fitting 21 via an adjustment screw 29. The height adjustment of the door bottom side panel 4 suspended by 3a is enabled.

  The configuration of the door butt side panel upper support means 20 is not limited to the present embodiment, and the upper end of the door butt side panel 4 on the right vertical frame 3b side is immovable and pivotable with respect to the upper frame 3a. Anything that can be freely suspended is acceptable.

  The door bottom panel lower support means 30 will be described with reference to FIGS. 2 and 4 in particular. The door bottom panel lower support means 30 has a pivot metal fitting 33 having a protrusion 32 inserted into an insertion hole 31 formed at the lower end of the door bottom panel 4 on the right vertical frame 3b side. The pivot metal fitting 33 is mounted on the horizontal piece 34a of the fixing piece 34 so as to be movable in the length direction (panel width direction). The fixing piece 34 is formed in a substantially L shape from the horizontal piece 34a and the vertical piece 34b. The projecting portion 32 is provided so as to protrude above the movable metal fitting 35.

  In the fixing bracket 34, the horizontal piece 34a is placed and fixed on the floor surface 2, and the vertical piece 34b is fixed along the inner surface of the right vertical frame 3b. The vertical piece 34b is provided with a screw insertion hole 34c, and a screw (not shown) is inserted into the vertical piece 34b from the inside to be fixed to the right vertical frame 3b. A notch 36 is formed at the front end side of the horizontal piece 34a, and a bolt 37 inserted at an arbitrary position in the notch 36 is screwed into a bolt hole (not shown) of the fixing metal horizontal piece 34a. The moving piece 35 can be fixed to the fixing bracket 34 at a desired position. Thus, by making the movable piece 35 movable on the horizontal piece 34a of the fixing bracket 34, the position adjustment in the width direction of the door bottom panel 4 can be performed. The protrusion 32 in the door bottom panel lower support means 30 is aligned with the shaft portion 26 in the door bottom panel upper support means 20 in the vertical direction, and the rotation axis of the door bottom panel 4 when the folding door 1 is opened and closed. It becomes.

  The door end side panel support means 40 will be described with reference to FIGS. 5 and 6 in particular. This door end side panel support means 40 has a door pulley 41 that can travel along the rail 10 fitted in the rail fitting groove 3d on the lower surface of the upper frame 3a. A shaft portion 42 fixed to a predetermined position of the upper end 5a of the door-end side panel 5 protrudes upward, and the door pulley 41 is attached to the shaft portion 42 via an adjustment nut 43 so as to be movable in the axial direction. Is accommodated in a door-to-door case 44. The door roller 41 includes a pair of front and rear traveling rollers 46 and 46 that are rotatable about a horizontal axis 45, and a pair of front and rear guide rollers 47 that are rotatable about a vertical axis (not shown). 47. The running rollers 46 and 46 are accommodated in the rail 10 while being placed on the rail flange 10a, and the guide rollers 47 and 47 are positioned between the rail flanges 10a.

  By the door-end side panel support means 40 having the above configuration, the door-end side panel 5 is suspended so as to be movable with respect to the upper frame 3a. The guide roller 44 has substantially the same outer diameter as that between the flange portions 10a of the rail 10, and by rotating the guide roller 44 between the rail flange portions 10a, the left and right sides of the door roller 41 (front and rear direction when viewed from the opening portion). The swing of the folding door 1 is smoothly opened and closed.

  The position where the lower end of the shaft part 42 is fixed to the upper end 5a of the door-end side panel 5 is the center position C of the connecting means 6 that rotatably connects the door-end side panel 4 and the door-end side panel 5 (see FIG. 1 (b)) to the center of the shaft portion 26 of the door-end side panel upper support means 20 and from the connecting means center position C to the shaft portion 42 of the door-end side panel support means 40. Is set to be substantially equal to the horizontal distance W2 (FIG. 5). Thereby, when the door-end side panel 5 is pulled and the folding door 1 is fully opened, the wide door-end side panel 5 protrudes toward the front side by substantially the same width as the door-end side panel 4, and the remaining width portion. Is folded in a state of projecting to the opposite side of the opening, and the projecting length before and after the opening can be reduced.

  In addition, the structure of the door-end side panel support means 40 is not limited to a present Example, What is necessary is just to suspend the door-end side panel 5 movably with respect to the upper frame 3a. Providing the guide roller 44 is preferable for smoothing the opening and closing of the folding door 1 by suppressing the swing in the front-rear direction when the door-end side panel 5 is opened and closed, but is not essential in the present invention, and the guide roller 44 is omitted. Embodiments are also within the scope of the present invention.

  The construction method of the folding door 1 by this Example is demonstrated. First, the pivot metal fitting 33 of the door bottom panel lower support means 30 is installed. That is, the horizontal piece 34a of the fixing piece 34 of the pivot metal fitting 33 is fixed to the floor 2 with screws (not shown), and the vertical pieces 34b are passed through the screws (not shown) from the inside into the screw insertion holes 34c of the vertical pieces 34b. A screw is fixed to the inner bottom end of the right vertical frame 3b. And after adjusting the position of the moving piece 35, the volt | bolt 37 is tightened and it fixes to the horizontal piece 34a.

  Next, the upper frame side metal fitting 22 is installed in the rail 10 fitted in the rail fitting groove 3d on the lower surface of the upper frame 3a. That is, the upper frame side metal fitting 22 is inserted into the rail 10 so as to hang over the rail flange portion 10a, and the protrusions 27 and 27 are fitted between the rail flange portions 10a and protrude downward. Then, the upper frame side metal fitting 22 is screwed into the rail 10 (and the upper frame) by screwing a screw 25 from below through the holding metal fitting 24 arranged so as to straddle the lower part between the rail flanges 10a. 3a) with respect to the rail 10 or the upper frame 3a extending direction (left and right direction when viewed from the opening) and the rail width direction (front and rear direction when viewed from the opening) are substantially immovable.

  Thus, after installing the pivot metal fitting 33 of the door bottom panel lower support means and the upper frame side metal fitting 22 of the door bottom panel upper support means 20, the door bottom panel 4 and the door edge side panel 5 are connected. The folding door 1 connected by the member 6 is installed in the opening. First, the door-end side panel 5 is attached to the rail 10 of the upper frame 3a via the door-end side panel support means 40. That is, the door pulley 41 is attached to a predetermined position of the upper wooden mouth 5a of the door-end side panel 5 via the shaft portion 42, the wooden door provided with the handle 7 is directed to the left vertical frame 3c side, and the door pulley 41 is placed in the rail 10. Install. Thereby, the door-end side panel 5 is supported in the state suspended by the upper frame 3a via the door-end side panel support means 40.

  Next, the panel-side metal fitting 21 of the door-side panel upper support means 20 is fitted into the fitting hole 11 formed in the upper vertical corner 3b of the door-side panel 4 on the right vertical frame 3b side. Fix it. The upper frame side metal fitting 22 of the door bottom side panel upper support means 20 is already installed on the upper frame 3a side as described above, and the panel side metal fitting 21 is integrated with the upper frame side metal fitting 22 through the shaft portion 26. Therefore, the door-side panel 4 suspended from the upper frame 3a may be moved closer to the right vertical frame 3b, and the panel-side metal fitting 21 may be fitted into the fitting hole 11 and fixed with screws. As a result, the door butt side panel 4 is suspended from the upper frame 3 a via the door butt side panel upper support means 20.

  Next, the protrusion 32 of the pivot metal fitting 33 of the door bottom panel lower support means that has already been installed is inserted into the insertion hole 31 formed at the lower end of the door bottom panel 4. As described above, the shaft portion 26 of the door-side panel upper support means 20 has a smaller diameter than a through hole (not shown) formed in the upper frame side metal member 22 and moves up and down with respect to the surface of the upper frame side metal member 22. Therefore, if the protrusion 32 is inserted into the insertion hole 31 while lifting the door-end side panel 4 upward, the work can be performed easily.

  Then, as necessary, the vertical position of the door-side panel 4 is adjusted by an adjustment screw 29 provided on the panel-side metal fitting 21 of the door-side panel upper support means 20, and the door-end side panel upper support means 40 is adjusted. The height of the folding door 1 is adjusted by adjusting the vertical position of the door-end side panel 5 with the adjusting nut 43 screwed to the shaft portion 42.

  The shaft portion 26 of the door-side panel upper support means 20 and the protrusion 32 of the pivot metal fitting 33 of the door-side panel lower support means 30 are substantially aligned in the vertical direction to serve as the rotational axis of the door-side panel 4. If the projection 32 and the shaft portion 26 are not aligned in the vertical direction when the projection 32 of the pivot metal fitting 33 is inserted into the insertion hole 31, the screw 25 is loosened to loosen the door bottom panel. After the upper frame side metal fitting 22 of the upper support means 20 is moved along the rail 10 and the shaft portion 26 is aligned with the protrusion 32, the screw 25 may be tightened again and fixed.

  FIG. 7 shows another folding door configuration to which the support structure according to the present invention can be applied. The folding door 12 has substantially the same configuration as the folding door 1 described above, but the specific configuration of the connecting means for rotatably connecting the door-end side panel 4 and the door-end side panel 5 is different. . That is, in this folding door structure, between the door-end side panel 4 and the door-end side panel 5, a resin molded product, a wooden material such as MDF / gathered material, a metal material such as aluminum, or other appropriate material is used as a column or A pair of left and right poles 13, 13 formed in a cylindrical shape are disposed, and lid members 14, 14 having a substantially gourd shape are attached to the upper and lower ends thereof. At the opposite end of the door end side panel 4 and the door end side panel 5, the end members 15, 15 made of a metal material such as a resin molded product or aluminum are attached. The side panel 4 and the door end side panel 5 are rotatable with respect to the poles 13 and 13, respectively. According to such a connection configuration, the folding door 12 (FIG. 1A) can be opened and closed in both the front and rear directions. Refer to Japanese Patent Application No. 2007-332437 for details of such a connection configuration.

  As an example, the door-end side panel 4 has a height of 1965 mm, a thickness of 33 mm, and a width of 310 mm. The door-end side panel 5 has the same height and thickness as the door-end side panel 4 and has a width of 608 mm. The poles 13 and 13 having a width of 82 mm and the lid members 14 and 14 are rotatably connected to each other. The dimensions of the folding door 12 in the closed state are a height of 1965 mm, a thickness of 33 mm, and a width of 1000 mm.

  The support structure of the folding door 12, that is, the door butt side panel upper support means 20 for pivotally suspending the upper end of the door butt side panel 4 on the right vertical frame 3b side to the upper frame 3a, the door butt side panel 4 Door bottom side panel lower support means 30 that rotatably supports the lower end of the right vertical frame 3b side on the floor surface 2 and the door end side that movably suspends the door end side panel 5 to the upper frame 3a. Since the panel support means 40 can be the same as described above, and its operation and construction method are also the same, so the description thereof is omitted.

  Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various embodiments can be taken within the scope of the invention defined by the description of the scope of claims. . The dimensions of the folding door and its constituent members are arbitrary and are not limited to the dimensions already described. Generally, the folding doors 1 and 12 as a whole have a height of 1600 to 2400 mm, a width of 400 to 1200 mm, and a thickness of 24 to 40 mm, and the door bottom side panel 4 and the door end side panel 5 have the height and thickness as folding door dimensions. The width of the door bottom panel 4 is 150 to 410 mm, and the width of the door tip side panel 5 is 250 to 700 mm. The connecting member 6, the pole 13, and the lid member 14 that are freely connected have the same height as the folding door dimensions and a width of 10 to 90 mm.

  The folding door may have a structure that can be opened and closed in only one direction when viewed from the opening (FIG. 1), or a structure that can be opened and closed in both the front and rear directions (FIG. 7). Depending on whether a single-open structure or a double-open structure is used, an appropriate connection means is used as a connecting means for rotatably connecting the door-end side panel 4 and the door-end side panel 5 to each other. In the case of the double opening structure, the connecting means as shown in FIG. 7 can be used, but is not limited to this. For example, instead of using the poles 13 and 13, the panels 4 and 5 face each other. The mouth end surface may be formed in a convex curved surface shape, or may be used as a single pole having a cross-sectional shape (substantially the same shape as the lid member 14) in which two poles 13 and 13 are connected. .

DESCRIPTION OF SYMBOLS 1 Folding door 2 Floor surface 3 Opening frame 3a Upper frame 3b Right vertical frame 3c Left vertical frame 3d Rail fitting groove 4 Door bottom side panel 4a Upper lip 5 Door tip side panel 5a Upper lip 6 Connecting member 7 Knot material 8 Rotation Part (gear)
9 Gap concealment material 10 Rail 10a Hook 11 Fitting hole 12 Folding door 13 Pole 14 Lid member 15 Wood end material 20 Door bottom side panel upper support means 21 Panel side metal fitting 22 Upper frame side metal fitting 23 Fixing screw 24 Clamping metal fitting 25 Screw 26 Shaft portion 26a Shaft head 27 Protrusion 28 Elevating member 29 Adjusting screw 30 Door bottom side panel lower support means 31 Insertion hole 32 Protrusion portion 33 Pivot fitting 34 Fixing fitting 34a Horizontal piece 34b Vertical piece 34c Screw insertion hole 35 Moving fitting 36 Notch 37 Bolt 40 Door end side panel support means 41 Door wheel 42 Shaft portion 43 Adjustment nut 44 Door wheel case 45 Horizontal shaft 46 Traveling roller 47 Guide roller

Claims (3)

A folding door in which a door-end side panel and a door-end side panel are rotatably connected via a connecting means, and is a folding door support structure that supports the door-end side panel and the door-end side panel. A door-side panel upper support means for suspending the upper end of the door end side panel from the upper end of the door-end side panel so that it cannot move and rotate with respect to the upper frame attached to the opening where the door is installed. The door-end side panel upper support means for suspending the door-end side panel movably, and both the door-end side panel and the door-end side panel are suspended on the upper frame. The door-side panel upper support means is fixed to the upper frame-side bracket that is housed and fixed in the rail attached to the lower surface of the upper frame, the panel-side bracket that is fixed to the door-side panel, and the panel-side bracket. Projecting upward and pivotally connected to the upper frame side bracket. Door of the support structure folded, wherein. In a folding door in which a door-end side panel and a door-end side panel are rotatably connected via a connecting means, one of the door-end side panels with respect to an upper frame attached to an opening where the folding door is installed. A door-side panel upper support bracket that suspends the upper end of the mouth end in an unmovable and pivotable manner, and the upper frame-side bracket that is housed and fixed in a rail attached to the lower surface of the upper frame; A door-side panel comprising: a panel-side bracket fixed to the panel; and a shaft portion that is fixed to the panel-side bracket and protrudes upward and is rotatably connected to the upper frame-side bracket. Upper support bracket. The upper frame side metal fitting has a protrusion protruding downward from between the rail flanges in a state of being accommodated and fixed in the rail, and the width of the protrusion is formed substantially the same as the interval between the rail flanges. The door support panel upper support fitting according to claim 2, wherein the door support panel is prevented from swinging in the front-rear direction.

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