JP2002013340A - Top-railed sliding folding doors - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide top-railed sliding folding doors capable of reducing the offset load acting on a suspension structural part. SOLUTION: A center of a suspension supporting point of a running part 61 of a suspension member 6 is shifted to a folding-out side of a door body 2 with respect to a center in the depth direction of the door body 2 in an opened state, and an upper frame 3 is provided with a projecting part 34 engaging with and disengaging from a latch 9, and downwardly projected from a lower face of a bottom wall 32c of an upper rail part 32, at a position shifted to the opposite side in the folding-out direction of the door body 2 from the center of the suspension supporting point.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door mounted on a wall opening of a unit bath.

[0002]

2. Description of the Related Art FIG. 7 shows a structure of a conventional hanging folding door which is attached to a wall opening of a unit bath or the like. This hanging folding door has an upper rail c formed on an upper frame b of a frame attached to a peripheral edge of a wall opening.
Are suspended by a bracket d and a suspension wheel e. Further, a latch f is incorporated at the upper end of the door body a,
This is engaged with the slit g of the upper rail portion c, and the door body a
Is kept closed.

[0003]

By the way, in the case of a folding door, when the door is folded and opened, the door a is not connected to the bathroom A.
Folded out to the side. For this reason, the position of the center of gravity of the door a is greatly shifted to the bathroom A side than the hanging fulcrum of the hanging wheel e. Accordingly, the load balance between the two hanging wheels e is lost, and an unbalanced load acts on the hanging wheel e located on the side of the door a where the door a is bent out, and the wheel a is worn unilaterally. As a result, it may be difficult to smoothly open and close the door a.

[0004] It is an object of the present invention to provide a suspended folding door capable of reducing an unbalanced load acting on a suspended structure.

[0005]

As a means for solving the above-mentioned problems, the present invention relates to a fixture frame and a hinge which is freely opened and closed via a suspending member from an upper rail provided on an upper frame of the fixture frame. Wherein the center of the suspension fulcrum of the suspension member is displaced from the center in the expected direction of the closed door body toward the folding side of the door body. Provide Orito.

According to this configuration, the suspension fulcrum and the center of gravity of the door in the folded state approach each other by an amount corresponding to the shift of the suspension fulcrum toward the folding side of the door. Therefore, it is possible to reduce the unbalanced load acting on the suspension structure such as the suspension wheel when the door is opened, as compared with the related art.

In this case, the door is provided with a latch projecting from the upper end surface thereof, and the upper frame is provided with a projection for engaging and disengaging the latch. It is preferable to project from the lower surface of the upper rail portion at a position shifted to the opposite side of the folding direction of the upper rail.

According to this structure, the protrusion for engaging with the latch is provided at a position shifted from the center of the suspension fulcrum of the suspension member to the side opposite to the direction in which the door body is folded out. The protruding portion can be arranged at a less prominent position on the back side than the caulking portion. Moreover, the latch does not slidably contact the lower surface of the upper rail portion at all, and the lower surface of the upper rail portion, which is a visible portion of the upper frame, is not damaged.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a case where a hanging folding door according to an embodiment of the present invention is applied to a bathroom hanging folding door. The hanging folding door for a bathroom shown in the longitudinal sectional view of FIG. 1 and the transverse sectional view of FIG. 2 includes a frame 1 mounted on a wall opening of the bathroom, and a left door 2a and a right door 2b connected to a connecting member 21. The door 2 is connected and opened and closed in the horizontal direction through the door 2.

A pair of left and right hanging members 6 are attached to both upper ends of the door 2, and the door 2 is provided on the upper frame 3 of the frame 1 via the hanging members 6. Rail part 32
Suspended. Further, a pair of left and right support pins 7 corresponding to the suspension members 6 are attached to both lower end portions of the door body 2, and the lower ends of the support pins 7 are in the lower rail portions 42 of the lower frame 4 of the frame 1. Has been inserted.

Then, the suspension members 6 and the support pins 7 on one of the left and right sides of the door 2 are fixed to the frame 1, and the suspension members 6 and the support pins 7 on the other side are connected to the upper rail 32 and the lower rail. The door 2 is configured to be openable and closable by being guided and slid with the portion 42. In this case, the bathroom hanging folding doors are opened by the left and right doors 2a, 2b being folded toward the bathroom A side, and the left and right doors 2a, 2b are moved from the folded state toward the undressing room B side. It is closed by being deployed.

Hereinafter, each part will be described in detail. Frame 1
1 is made of a shape material such as aluminum, and is framed by an upper frame 3, a lower frame 4 and both vertical frames 5 as shown in FIGS. 1 and 2, and is attached to a wall opening of the bathroom A.

As shown in FIGS. 3 (a) and 3 (b), the upper frame 3 has a rectangular hollow mounting portion 31, an upper rail portion 32 provided below the undressing room B side, and a bathroom. A side wall 33 hanging down to the A side, a protrusion 34 hanging down from the lower surface of the upper rail portion 32, and an overhanging portion 35 projecting from the lower end of the upper rail portion 32 to the undressing room B side in a crank shape. .

The mounting portion 31 includes a top wall 31a, a bottom wall 31b,
A rectangular hollow is formed by the side walls 31c and 31d. The vertical frame 3 is attached to the wall opening via the attachment portion 31.

The upper rail portion 32 is connected to the bottom wall 3 of the mounting portion 31.
1b is formed integrally with the lower part of the undressing room B side. The upper rail portion 32 connects between a side wall 32a extending downward from a side wall 31d of the mounting portion 31, a side wall 32b hanging down from the bottom wall 31b of the mounting portion 31, and lower ends of the side walls 32a and 32b. Bottom wall 32c to be attached and the bottom wall 31 of the mounting portion 31
A part of b is formed in a dovetail shape having a C-shaped cross section.

That is, the side wall 32b has a slit 32d which is continuous in the longitudinal direction except for the upper and lower ends. In the vicinity of both ends in the longitudinal direction of the side wall 32b, a side wall 32b in the upper and lower portions of the slit 32d is cut out, and an attachment / detachment opening 32e is formed in which the vertical width of the slit 32d is increased. The attachment / detachment port 32e is connected to the traveling portion 61
Is a portion for attaching and detaching the inside of the upper rail portion 32.

The side wall 33 is formed by extending the side wall 31c of the mounting portion 31 downward. This side wall 33
Is suspended until its lower end reaches a height substantially equal to the bottom wall 32c of the upper rail portion 32. In addition, a work space is provided between the upper rail portion 32 and the side wall 32 b so that the hanging member 6 can be attached to and detached from the upper rail portion 32.

The protrusion 34 is formed on the side wall 3 of the upper rail 32.
It is formed by extending 2a downward. Further, the lower end of the projection 34 is suspended to a height at which the projection 34 can be engaged with and disengaged from the latch 9 described later. That is, the protrusion 34 is located at the center L1 of the suspension fulcrum of the traveling portion 61 of the suspension member 6 shown in FIG.
It is a condition that it is provided at a position shifted to the undressing room B side (opposite to the folding direction of the door body 2) and protruding below the lower surface of the bottom wall 32c of the upper rail portion 32.

Further, the lower end of the projection 34 is formed in a substantially circular cross section to reduce frictional resistance when the latch 9 slides, so that the latch 9 can be smoothly engaged and disengaged, and a scratch is formed. It is good to make it hard to stick.

The overhang portion 35 is formed to extend in a crank shape from the lower end of the upper rail portion 32 to the undressing room B side. An upper frame seal attachment portion 36 is provided on the vertical portion 35a, and an upper seal member 37 extending toward the door body 2 is attached as shown in FIG.

As shown in FIG. 1 and FIG. 5, the lower frame 4 has a horizontal portion 41a and a rising portion 41b facing the bathroom A side, and a pan connecting portion formed entirely in an L-shape. 41, a lower rail portion 42 which is continuous with the upper end and is located immediately below the closed door body 2, a lower frame parting portion 43 extending in a crank shape toward the undressing room B side, and a vertical portion of the lower frame parting portion 43. It is integrally formed with the lower frame seal mounting portion 44 formed in the portion 43a.

A lower seal member 45 extending toward the door 2 is mounted on the lower frame seal mounting portion 44. In addition, a guide slit 42a that is continuous in the longitudinal direction is formed on the upper surface of the lower rail portion 42, and the lower support pin 7 of the door body 2 is slidably engaged.

As shown in FIG. 2, each of the vertical frames 5 has a bathroom A side bent in a frame shape and is formed substantially in an L-shape as a whole. The part 51 extends at a right angle. A vertical seal member 52 extending toward the door body 2 is attached to the vertical frame seal attachment portion 51. Then, the above-mentioned upper seal member 3
7. The lower seal member 45 and the two vertical seal members 52 seal the space between the left and right doors 2a and 2b and the frame 1 over four circumferences.

Next, the door 2 will be described. As shown in FIGS. 1 and 2, each of the left and right doors 2 a and 2 b includes an upper frame 21, a lower frame 22, and a middle rail 2 made of aluminum.
3, a vertical frame 24 and a connecting vertical frame 25 are framed, and upper and lower panels 26 made of resin are fitted into the frame. A cantilever-shaped hanging member 6 is attached to the upper part of each of the vertical stiles 24, and a support pin 7 is attached to each of the lower parts of the both vertical stiles 24. 9 are protruded.

Each of the middle bars 23 has a pulling portion 23 on the undressing room B side.
a is integrally formed, and a towel rail 23b also serving as a handle is attached to the bathroom A side. Also, in each lower frame 22,
A ventilation gallery 22a with an opening / closing mechanism communicating between the indoor and the outside is formed. Further, the connecting vertical frame 25 of the right door 2b has a closing lock mechanism 2 capable of locking the door 2 from the bathroom side.
5a is incorporated.

As shown in FIG. 6, the latch 9 includes a latch case 91 fitted to the upper end of the connecting vertical frame 25, a latch body 92 housed therein, and a latch body 92 in a projecting direction. And a biasing spring 93. And
Head part 9 of latch body 92 urged by spring 93
The protrusion 4 protrudes and retracts from the protrusion opening 95 formed in the latch case 91, and the engagement and disengagement operation with the protrusion 34 of the upper frame 3 is performed. That is, when the door 2 is closed, it engages with the projection 34 of the upper frame 3 to maintain the closed state, and when the door 2 is opened, the projection 3
4 and is disengaged. The projecting height of the latch 9 is a height that does not contact the lower surface of the bottom wall 32c of the upper rail portion 32.

As shown in FIGS. 1 and 4, cantilever-shaped hanging members 6 are attached to both ends on the upper end side of the door body 2 and rotatably support a traveling portion 61 such as wheels. Support shaft 6
2 and a substantially L-shaped bracket 63 for attaching the support shaft 62
And a connector such as a pivot pin 66 for rotatably connecting the bracket 63 to the upper end of the door body 2.

The bracket 63 is composed of a horizontal portion 63a and a vertical portion 63b rising from the end of the bathroom A side. A support shaft 62 is mounted horizontally on the side of the undressing room B above the vertical portion 63b, and a traveling portion 61 such as a wheel is mounted on the tip of the support shaft 62. Then, the upper rail portion 3 is sandwiched between the side walls 32b of the upper rail portion 32.
2 and a vertical portion 6 of a bracket 63 on the outside.
3b is arranged.

The connecting member for rotatably connecting the bracket 63 to the upper end portion of the door body 2 includes a holder 64, a collar 65, and a pivot pin 66 as shown in FIGS.

The holder 64 is a cylindrical body or the like having a through hole 64 a at the axis thereof, and is fitted to the upper end of the vertical frame 24 on both sides of the door 2. At the lower end of the holder 64, a cutout portion 64b is formed by cutting out a part of the cylindrical body, and the mounting operation of the pivot pin 66 can be easily performed from the cutout portion 64b.

The collar 65 is provided with a through hole 64 a of the holder 64.
It is a cylindrical body inserted into the inside, and has a through hole 65a in the axial center part. The inner diameter of the through hole 65a is slightly larger than the outer diameter of the pivot pin 66, and the pivot pin 66 is rotatably inserted.

The pivot pin 66 is formed in a bolt shape or the like, and is inserted from the lower end side of the through hole 65a of the collar 65, and has its upper end joined to the horizontal portion 63a of the bracket 63 from the bottom side. . In addition, a bolt head-shaped locking portion 66a formed at the lower end of the pivot pin 66 is locked to the enlarged diameter surface 64c formed at the lower end side of the through hole 64a of the holder 64 with the washer 67 interposed. The pull-up of the pivot pin 66 is restricted.

Thus, the door body 2 is suspended by the upper rail portion 32 so as to be rotatable with respect to the suspension member 6, and the suspension member 6 can travel along the upper rail portion 32. Can be opened and closed. Since the suspension member 6 has a cantilever shape, the center L of the suspension fulcrum of the traveling portion 61 is set.
1 can be shifted to the side of the door body 2 (the bathroom A side) from the center L2 in the expected direction of the door body 2 in the deployed state. Therefore, the unbalanced load acting on the suspension member 6 and the upper rail portion 32 when the door 2 is opened can be reduced by the amount by which the suspension fulcrum is shifted to the side where the door 2 is folded out. Incidentally, in the case of the conventional suspension structure of FIG. 7, the center of the suspension fulcrum and
Since the center of the opened state of the door a in the expected direction is located on the vertical line (L3), the unbalanced load when the door a is folded out is larger than that of the present invention.

As shown in FIGS. 1 and 5, support pins 7 provided at both ends of the lower end of the door 2 are held by a holder 71 and a collar 72.

The holder 71 has substantially the same shape as the holder 64 of the above-mentioned bracket 63, and has a through hole 71a.
And a cylindrical body having a notch 71b. The holder 71 is attached to the lower end of the vertical frame 24 at both ends of the door body 2 in a direction opposite to the holder 64.

The collar 72 has a through hole 71a of the holder 71.
It has a through-hole 72a at the axial center.

The pivot pin 7 is formed in a bolt shape or the like.
A bolt-shaped engaging portion 7a inserted from the upper end side of the through hole 72a of the collar 72 and formed at the upper end thereof has an expanding portion formed at the upper end side of the through hole 71a of the holder 71 with the washer 73 interposed therebetween. Locked to the radial surface 71c, the pull-down of the support pin 7 is restricted.

A spring cap 74 is attached to the lower end of the support pin 7 exposed from the lower end surface of the door 2, and a spring 75 is provided between the spring cap 74 and the collar 72 to support the support pin 7. The pin 7 is urged downward. The spring stopper cap 74 of the support pin 7 is slidably and rotatably housed in the guide slit 42 a of the lower rail 42 of the lower frame 4.

As described above, the door body 2 is mounted on the frame 1 with the upper end portions thereof being supported by the two suspension members 6 and the lower end portions thereof being supported by the two support pins 7.
At this time, the suspension members 6 and the support pins 7 on one of the left and right sides of the door body 2 are fixed at a position where the door body 2 is expanded and closed, and the suspension members 6 and the support pins 7 on the other side are fixed. It is configured to be slidable. Therefore, block bodies 8a and 8b as shown in FIGS. 3 (a) and 3 (b) are used on the fixed side and the sliding side of the suspending member 6, and on the fixed side of the support pin 7, FIG. The block body 8c shown in FIG.

The block body 8a is provided with a taper 81 and a screw hole 82 in a part of a rectangular body.
The sliding side end (the right end in FIG. 3A) of the upper rail member 32 faces the mounting opening 32e of the upper rail member 32, and
3 is mounted by screws 83 and the like. At this time, the taper 81 is positioned at the center of the upper frame 3 and toward the upper rail 32, and as shown in FIG. 4, the vertical portion 63b of the bracket 63 of the suspension member 6 is connected to the block body 8a. It is possible to travel along the upper rail portion 32 without being hindered by the above, and to prevent the suspension member 6 from dropping out of the attachment / detachment port 32e.

The block body 8b is provided with a step 84 and a screw hole 85 in a part of a rectangular body.
The fixed side end (the left end in FIG. 3A) of the upper rail member 32 faces the attachment / detachment opening 32e of the upper rail member 32.
3 is attached to the inside of the housing 3 by screws 86 or the like. At this time, the step 84 is located at the center of the upper frame 3 and toward the upper rail 32. As a result, the vertical portion 63b of the bracket 63 of the suspension member 6 is locked to the step surface 87 of the block body 8b to restrict the travel of the suspension member 6 and prevent the suspension member 6 from dropping out of the attachment / detachment opening 32e. Have been.

As shown in FIG. 5, the block body 8c is provided with a housing hole 88 and a screw hole 89 in a part of a rectangular body. The block body 8c is fitted in the lower rail portion 42 and is fixed by screws 89a or the like. Fixed in position. Then, the spring stopper cap 74 of the fixed-side support pin 7 is stored in the storage hole 88 of the fixed block body 8c, and the sliding of the support pin 7 is regulated. The spring stopper cap 74 of the support pin 7 is rotatably inserted into the storage hole 88.

[0043]

As described above, according to the present invention, by shifting the suspension fulcrum of the door to the side where the door is folded out, when the door is opened, the hanging wheel, the bracket, the upper rail, etc. An unbalanced load acting on the suspension structure can be reduced.

Further, since the projection for engaging with the latch is provided at a position shifted from the center of the suspension fulcrum of the suspension member to the opposite side in the direction in which the door body is folded out, the upper frame is more visible than the visible portion. The protruding portion can be arranged at an inconspicuous position on the back side. Moreover, the latch does not slidably contact the lower surface of the upper rail portion at all, and the lower surface of the upper rail portion, which is a visible portion of the upper frame, is not damaged.

[Brief description of the drawings]

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

FIG. 2 is a cross-sectional view of the hanging folding door according to the embodiment of the present invention.

FIG. 3 is a front view (a) and a side view (b) of an upper frame.

FIG. 4 is an enlarged view of a suspension structure.

FIG. 5 is an enlarged view of a lower end support portion of the door body.

FIG. 6 is an enlarged view of an engagement state between a projection and a latch.

FIG. 7 is an enlarged view of a hanging structure of a conventional hanging folding door.

[Explanation of symbols]

1 frame body, 2 door bodies, 3 upper frames, 32 upper rails,
32d slit, 34 protrusion, 4 lower frame, 42 lower rail, 5 vertical frame, 6 hanging member, 61 running unit, 6
2 support shaft, 63 bracket, 64 holder, 66 shaft support pin, 7 support pin, 71 holder, 8a, 8b, 8c
Block, 9 latches

Claims (2)

[Claims] 1. A hanging folding door provided with a fitting frame and a door which is openably and closably suspended from an upper rail portion provided on an upper frame of the fitting frame via a hanging member, wherein a hanging fulcrum of the hanging member is provided. Wherein the center of the door is displaced from the center of the closed state of the door body in the expected direction to the side where the door body folds out. 2. The door body has a built-in latch protruding from an upper end surface thereof, and the upper frame is formed with a protrusion for engaging and disengaging the latch, and the protrusion is provided at a center of the suspension fulcrum. 2. The hanging folding door according to claim 1, wherein the folding door is formed so as to protrude from a lower surface of the upper rail portion at a position shifted to a side opposite to a folding direction of the door body.