JP2595652Y2 - Folding door - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door which is provided in a bathroom, for example, and has a pair of doors connected to bendable at a central portion.

[0002]

2. Description of the Related Art As a conventional folding door of this type, for example, one disclosed in Japanese Utility Model Publication No. 3-56626 is known.
This folding door is used in a bathroom or the like, and is configured to be openable and closable between a closed position where a pair of doors are abutted so as to be arranged and an open position where both doors are folded so as to overlap each other. I have. The frames of both doors are made of extruded members, and the connecting vertical frames have open butted ends so that connecting metal fittings can be installed inside. The connection fitting is composed of a connection member that connects the two vertical frames so as to be freely bendable with each other, and a closing member attached to the connection member so as to cover the connection member. Both ends of the connecting member and abutting ends of the connecting vertical stiles on the bending axis side are rotatably engaged, and both connecting vertical stiles are bent around both ends of the connecting member as fulcrums. It has become. On the other hand, the closing member has an arcuate surface along the movement trajectory of the open side butt end of each connecting vertical stile, and can close the gap generated between the open side butting ends of the connecting vertical stairs at the closing position from the inside. It has become.

[0003] A mohair that is in sliding contact with the arc surface of the closing member is attached to the open end of each connecting vertical frame. This mohair prevents the connecting vertical stile due to the manufacturing distortion of the connecting vertical stile and the arc surface of the closing member from directly rubbing each other, and when both doors are bent (when the folding door is opened and closed), A certain resistance is applied to the closing member to prevent the closing member from leaning toward one door body side,
This enables smooth opening and closing of the folding door.

[0004]

In such a conventional folding door connection structure, a mohair is provided at the abutting end of the connecting vertical frame, so that a groove for attaching the mohair to each connecting vertical frame is provided. In addition to the necessity of formation, there is a problem that the number of assembling steps increases and the cost increases. Moreover, since mohair is easily deformed with time and abraded, there has been a problem that it is not possible to reliably prevent the arc surface of the closing member from being damaged due to the friction between the closing member and the butt end of the connecting vertical frame. .

The present invention has been made in view of such a problem, and has a simple structure and a connecting structure of a folding door which can surely prevent rubbing between each connecting vertical frame of a door body and a closing member. Its purpose is to provide.

[0006]

In order to achieve the above-mentioned object, the present invention provides a first door body and a second door body in a state in which connecting vertical stiles having U-shaped butting ends are abutted against each other. the a Orito linked freely bent, and a pair of folding shafts provided respectively on one of the joining end of the two joining stiles, the gap Ryotobira body between the butt ends of two joining stile Arrange to close
And an arc shape that allows both doors to be bent.
A closure member having an outer peripheral surface, a pair of bending shafts and a closure
A connecting member for connecting the members at the fore end and a closing member
By presence of the outer peripheral surface with a small gap, and a spacer fitted to butt end portion of each connecting stiles, spacers, estimated lateral
In direction, abuts against one of the inner side wall of the connecting stiles, abuts the other of the inner side wall and the outer circumferential surface of the closure member along
Characterized in that it extends to the vicinity of the butt end of the other inner sidewall I.

[0007]

The spacer fitted at an arbitrary position in the vertical direction within the abutting end of each connecting vertical frame is connected in the expected direction.
Abuts against one of the inner side walls of the vertical frame, by contact with the other of the inner side wall, and along the outer peripheral surface of the closure member extends to the vicinity of the butt end of the other of the inner side wall, each of the connecting vertical frame Is held in shape by the spacer from the inside.
For this reason, distortion of the connecting vertical frame due to manufacturing variations can be corrected by the spacer, and rubbing between each connecting vertical frame and the closing member can be reliably prevented.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a folding door connecting structure according to an embodiment of the present invention; As shown in the front view of FIG. 1, the cross-sectional view of FIG. 2, and the vertical cross-sectional view of FIG.
And a left door body (first door body) 3a and a right door body (second door body) 3b.
b is connected via a connection fitting (see FIG. 2) 4 so as to be able to bend in a butted state. The frame 2 is formed by forming an upper frame 2a, a lower frame 2b, and both side frames 2c, 2c made of an extrusion material (made of aluminum) into a frame, and is attached to an opening of a bathroom. Guide rails ( see FIG. 3 ) 2d, 2d extending in the longitudinal direction are formed on the lower surface of the upper frame 2a and the upper surface of the lower frame 2b, respectively . The left end of the upper frame 2a and the left end of the lower frame 2b , Left door 3a
A pair of shafts (not shown) for rotatably supporting the shaft are provided.

On the other hand, the left and right doors 3a, 3b are
1 and a lower frame 22, a vertical frame 23 and a connecting vertical frame 24 are framed, and a horizontal rail 2 is provided between the upper frame 21 and the lower frame 22.
5, and upper and lower panel bodies 5, 5 are fitted therein. The upper frame 21, the lower frame 22, the vertical frame 23, and the connecting vertical frame 24 are formed of an extruded material (made of aluminum) in which the mounting groove 26 of the panel body 5 is formed.
Are the interior and exterior (in this case, the interior A is a “bathroom” and the exterior B is a “dressing room”).
8 is made of an extruded material (made of aluminum) (see FIGS. 2 and 3). The left door 3a is a vertical frame 2.
A portion 3 is rotatably supported by a pair of shafts of the frame 2, and is rotated about 90 ° toward the room A side about this shaft. Further, a pair of sliders (see FIG. 3) 6, 6 are rotatably attached to upper and lower ends of a right end portion of the right door body 3b, respectively. Are slidably engaged with upper and lower guide rails 2d, 2d.

Thus, the folding door 1 is folded so that the left door 3a and the right door 3b are arranged side by side over the entire width of the frame 2, and the right door 3b is overlapped on the left door 3a. It is opened and closed with the door opening position. That is, the sliders 6, 6 of the right door body 3b are guided by the guide rails 2d, 2d to move to the left side by pulling the handle portion 27 of the horizontal rail 25 of the right door body 3b diagonally from the closed position. At the same time, the left door body 3a and the right door body 3b are bent at the connecting vertical frames 24, 24 so that the right door body 3b overlaps the left door body 3a.

As shown in FIGS. 2 and 3, each frame 21,
At the inner side in the finding direction of 22, 23, 24 and the horizontal rail 25, mounting grooves 26 of the panel body 5 are formed, and the panel body 5 is mounted in a single bead form by the beads 7 mounted from the outdoor B side. It is fixed to the groove 26. Each panel body 5 is made of a resin, glass, or the like that allows light to be diffusely reflected and transmitted. As shown in FIG. 3, the horizontal rail 25 is provided with mounting grooves 26, 26 at both upper and lower ends, a handle 27 for outdoor B at the upper middle, and a handle 28 for indoor A at the lower middle. Are formed respectively. An attachment portion 29 for attaching a towel hook is formed back-to-back with the handle portion 27 for the outdoor B, and the towel hook 8 can be set on the attachment portion 29 as an option.

As shown in FIGS. 2 and 4, the connecting vertical frames 24 of the left and right doors 3a and 3b have open butted ends, and the connecting fitting 4 is attached to this portion.
The connecting fitting 4 includes a closing member 31 provided between the butted ends of the connecting vertical frames 24, 24, and a pair of bending shafts 4 described later.
1d, 41d, and a fore-edge cover 32 fixed to both upper and lower ends of the closing member 31. Closing member 3
Reference numeral 1 denotes an extruded shape member whose longitudinal direction is substantially the same length as the connecting vertical frame 24, and whose cross section is formed in a substantially symmetrical donut shape so as to sandwich the screw hole 31a in the middle. I have. Outer peripheral surface 31b on the indoor A side of closing member 31
Is a circular arc surface along the movement locus of the butted end of the connecting vertical frame 24 on the indoor A side, and the connecting vertical frame 2 at the closed position is formed.
The gap formed between the butting ends on the room A side of the room 4 can be closed from the inside of the connecting vertical frame 24. The inner peripheral surface 31c of the closing member 31 is a space for accommodating the end of the connecting vertical frame 24 on the outdoor B side and the bending shaft 41d.

As shown in FIG. 5, the fore-edge cover 32 is formed by fitting a core 42 made of stainless steel or the like to a cover body 41 made of resin or the like. The cover main body 41 is formed in a substantially semicircular shape so as to conform to the small opening shape of the closing member 31, and a concave groove 41a in which the core material 42 is fitted is formed on the upper surface. The lower surface of the fore-edge cover 32 has a fitting portion 41b fitted in the hollow portion of the closing member 31.
And an anti-vibration projection 41c formed at an intermediate portion on the outdoor B side;
It is formed integrally with a pair of cylindrical bending shafts 41d, 41d protruding on both sides of the anti-vibration projection 41c. On the other hand, on the lower surface of the core member 42, each of the bending shafts 41 is provided.
A pair of shaft pins 43, 43 fitted to d are fixed and screwed into the concave grooves 41a of the cover main body 41, so that the rigidity of each bending shaft 41d can be maintained.

The fore-edge cover 32 thus configured is
The closing member 31 is screwed to the closing member 31 from above and below. That is, the fitting portion 41 of each fore edge cover 32
b is fitted into the hollow portion of the closing member 31 and the bending shaft 41
d is inserted into a bearing hole 24a, which will be described later, formed at the outdoor B side end of both connecting vertical frames 24, 24. In this state, a screw screwed into a screw hole 31a of the closing member 31,
The fore-edge cover 32 is attached to the closing member 31. In this state, both the bending shafts 41 d and 41 are
d, the two connecting vertical frames 24, 24 are connected,
The closing member 31 is supported by the fore-edge cover 32. The anti-vibration projection 41c of the fore-edge cover 32 is located between the bearing holes 24a of the connecting vertical frames 24, 24, and prevents the bearing holes 24a, 24a from interfering with each other when the folding door 1 is opened and closed.

As shown in FIG. 4, a bearing hole 24a into which the bending shaft 41d is inserted is formed at an end on the outdoor B side of each connecting vertical frame 24. A part of the bearing hole 24a is open, and both open edges are extended toward the room A side. This longer extension 24b is
It extends to the vicinity of the inner peripheral surface 31c of the closing member 31 to prevent the closing member 31 from moving toward the outdoor B when the folding door 1 is opened and closed. Further, the shorter extending portion 24c is provided with a protruding piece 31d of the closing member 31 extending toward the extending portion 24c.
In addition, when the folding door 1 is opened and closed, the closing member 31 is prevented from rotating with one of the left and right doors 3a and 3b.

On the other hand, spacers 10 are attached to the abutting ends of the connecting vertical frames 24 at the upper and lower intermediate positions (one place) or at the upper, middle and lower positions (three places). The spacer 10 is formed in a block shape from resin or the like, and is internally provided in the abutting end portion so as not to be pulled out by stoppers 24d, 24d protruding opposite to the abutting end portion of the connecting vertical frame 24. In this state, in the spacer 10, the room A side abuts against the butting end wall surface 24e on the indoor A side, the outdoor B side abuts on the butting end wall surface 24f on the outdoor B side, and the butting side is the butting end portion on the indoor A side. It extends along the outer peripheral surface 31b of the closing member 31 to near the abutting end of the wall surface 24e.

According to such a structure, the folding door 1 is moved to the position shown in FIG.
When the door is opened from the closed position shown in FIG. 4A to the open position shown in FIG. 4B, the left and right doors 3a and 3b are pivoted about the bending axis while the connection fitting 4 is maintained at the neutral position. Bend to overlap. At this time, the closing member 31 of the connecting metal fitting 24 faces the gap between the two connecting vertical frames 24, 24 from inside, so that a large gap does not occur in this portion. On the other hand, when the closing operation is performed from the door opening position of FIG. 4B to the closing position of FIG. 4A, the left and right door bodies 3a and 3b move the bending axes while the connecting metal fitting 4 holds the neutral position. Folds open to the center. In this case, since the spacers 10 attached to the butted ends of the connecting vertical stiles 24 hold the shape of each connecting vertical stile 24 from the inside, the manufacturing distortion of the connecting vertical stiles 24 is corrected. Then, the abutting end of each connecting vertical frame 24 and the outer peripheral surface of the closing member 31 do not interfere with each other, and the connecting vertical frame 24 and the closing member 31 rub against each other, that is, on the outer peripheral surface of the closing member 31. Scratches can be reliably prevented.

In this embodiment, the center folding door for the bathroom has been described, but it goes without saying that the present invention can be applied to other folding doors. Although the spacer is formed in a block shape, it may be formed in a long bar shape. further,
The spacer may be made of a resin having a substantially “I” cross section.
It may be .

[0019]

[Effect of the Invention] As described above, according to the folding door of the present invention, a spacer is attached to the butt end of each connecting vertical frame so that the shape can be maintained. Even if the distortion of etc. occurs, the butt end of each connecting vertical frame,
There is an effect that the friction between the connecting vertical frame and the closing member can be reliably prevented without interference with the closing member.

[Brief description of the drawings]

FIG. 1 is a front view of a folding door according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of the folding door of the embodiment.

FIG. 3 is an enlarged vertical sectional view of the folding door of the embodiment.

FIG. 4 is an enlarged cross-sectional view around a connecting portion of the folding door according to the embodiment.

FIG. 5 is a structural view of a connecting fitting of the folding door of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Folding door 3a Left door body 3b Right door body 4 Connection metal fitting 24 Connection vertical frame 24e Butt end wall surface 24f Butt end wall surface 31 Closure member 32 Edge cover 41 Cover body 41d Bending axis

Claims (1)

(57) [Scope of request for utility model registration] In a state in which 1. A butt coupling stiles each having a U-shaped butt end, a first door member and a second door member a Orito linked freely bent, the two respectively provided on one of the joining end of the connecting stile
Between the pair of bending shafts and the butted ends of the two connecting vertical frames, to close the gap between both doors.
And bend both doors.
A closing member having an arc-shaped outer peripheral surface, and a pair of bending shafts and the closing member at the fore end.
A connecting member connecting Te, and presence of the outer peripheral surface with a small gap of the closure member, and a spacer, wherein fitted to the butt end portion of each connecting stiles, wherein the spacer is in the expected direction, the coupling abuts against one of the inner side wall <br/> of stiles, that abuts the other of the inner side wall, and along the outer peripheral surface of the closure member extends to the vicinity of the butt end of the other of the inner side wall A characteristic Orito.