JPH09137680A - Soundproofing device of folding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a soundproof device which is simple in structure and high in efficiency by providing a T-shaped seal material mounting groove in such a fashion that it may surround the outer periphery of each door unit of a folding door and fitting the seal material into the groove. SOLUTION: A sheet member is fitted inside a vertical frame 3 on both sides, an upper side horizontal frame 4 and a lower side horizontal frame 5, thereby forming a door unit 2. Each door unit 2 is movably suspended on an upper guide rail provided on a ceiling with a hanger 9 provided on the top of the upper side horizontal frame 4 in the center. A guide member, which is projected out on the bottom of a lower frame 7 fitted inside the lower side horizontal frame 5, is fitted in the lower part guide rail constructed on a floor 51 and the lateral sides of each adjacent door unit 2 are connected with a hinge, thereby forming a folding door 1. A T-shaped rail material mounting groove 30 is provided on the opposed sides of the vertical frame 3 of each door unit 2 and the lower part of the upper side horizontal frame 4 and the lower part of the lower frame 7, thereby fitting the seal material 31. This construction makes it possible to close the space between each door unit 2 and the clearance between the guide rail and the floor 52 surrounding each door unit 2 at every direction with the sealing material 31.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soundproof device for a folding door, which closes a gap between a door unit of a folding door, a guide rail, a floor, and each door unit when the folding door is closed.

[0002]

2. Description of the Related Art Conventionally, a folding door is composed of a plurality of door units, and adjacent door units are connected to each other by a hinge so as to be rotatable relative to each other, and a hanging member is provided on an upper portion of each door unit. Was guided by the guide rail and the door unit was suspended movably. In addition, when the folding door is closed, the door units are lined up in a row to form a single wall to partition the room. I was supposed to be. For this reason, there was a gap between the door unit, the guide rail, and the floor, and the room was not completely partitioned.

[0003]

In the conventional folding door described above, since each door unit is movably suspended on the guide rail, the space between the guide rail and the door unit and the space between the floor and the door unit are not blocked. Further, there is a gap between the door units even when the folding door is closed, and there is a problem that a sound leaks from one of the partitioned rooms to the other room and the sound becomes noise. The subject of the present application is a simple structure,
It is to provide an inexpensive soundproofing device.

[0004]

In order to solve the above problems, the present invention comprises a plurality of door units, each door unit being guided by a guide rail and movably suspended.
When the folding doors are closed, the door units are lined up in a row to form a single wall to separate the room, and when the folding doors are opened, the rooms are unfolded and stacked next to each other. At the time of closing, a sealing material is provided to close the gaps between the door units, between the guide rails and the door units, and between the floor and the door units. In addition, the vertical frame, the horizontal frame, and the lower frame of the door unit are provided with grooves along the longitudinal direction of each frame, and a sealing material is fitted in the grooves.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a soundproof device for a folding door according to the present invention will be described with reference to FIGS. The folding door 1 is composed of a plurality of door units 2. Each of the door units 2 is fitted with an upper lateral frame 4 and a lower lateral frame 5 between left and right vertical frames 3 and fastened with a screw, and is placed in the frame. The plate member 6 is fitted and configured. Inside the lower horizontal frame 5, a lower frame 7 is fitted in the lower horizontal frame 5 and is provided with a long hole 3 provided on a side surface of the vertical frame 3.
It is mounted so as to be adjustable in the vertical direction by a. At the upper part of the upper horizontal frame 4 and the lower part of the lower frame 7, there are provided seal material mounting portions 8 that project in the front-rear direction (the direction perpendicular to the paper surface of FIG. 1) and the left-right direction.

A suspending tool 9 is provided at the longitudinal center of the upper surface of the upper horizontal frame 4.
Is installed. In the hanging tool 9, as shown in FIG. 2, a plate-shaped guide body 12 mounted on an upper guide rail 11 laid on the ceiling of the room is fixed to the upper end of the hanging shaft 10,
The lower end of the suspension shaft 10 is fixed to a mounting member 13, and the mounting member 13 is fixed to the upper plate of the upper horizontal frame 4 by screws while sandwiching the upper wall of the upper horizontal frame 4 with a contact plate 14 fitted in the upper horizontal frame 4. ing. The plate-shaped guide body 12 of each suspender 9 is placed on a rolling element 38 that is rotatably held along the upper guide rail 11 in the upper guide rail 11, and each door unit 2 has an upper guide rail. Suspended at 11. A guide shaft 16 of the lower guide member 15 projects from the lower surface of the lower frame 7 at the longitudinal center of the lower frame 7, and a guide body 16a provided on the projecting lower end.
Is loosely fitted in the guide groove 18 of the lower guide rail 17 laid on the floor, and each door unit 2 is moved and rotated along the upper and lower guide rails 11 and 17 by the hanging tool 9 and the lower guide member 15. Is free.

Hinges 19 which alternately pivot the adjacent door units 2 and foldably connect the door units 2 adjacent to each other to the side portions of the adjacent door units 2 as shown in FIG. 3 when the folding door 1 is closed. A connecting member 22 described below is provided so as to be inside. This hinge 19 has a length in the rotation axis direction that is the door unit 2.
The length (between the lower surface 8a of the sealing material mounting portion 8 and the later-described plate material 32 upper surface 32a) substantially the same as the rotation axis direction (vertical direction) of the two hinge members 20 and two hinge members. A rotating portion 21 that is rotatably connected to the vertical frames 3 and 3 of the door unit 2 is provided at one end of each of the 20 and a connecting portion 23 that is connected to the other end by a removable connecting member 22.
Is provided.

The rotating portion 21 has a holding portion 24 in which one end portion of the hinge member 20 is formed in a hook shape and the tip thereof is formed in a cylindrical shape, and a fan-shaped inner surface of a bent portion facing the holding portion 24. The sliding surface portion 25 is provided over the entire length of the hinge member 20, and the sliding portion 2 having a semi-circular cross-sectional shape having a length corresponding to the hinge member 20 is provided on the side end of the vertical frame 3 of the door unit 2.
6 are integrally formed, and the holding portion 24 and the sliding surface portion 25 are formed.
The sliding unit 26 is inserted between the door unit 2 and the door unit 2 so as to be relatively rotatable. The connecting portion 23 provided at the other end of each hinge member 20 comprises a fitting portion 28 integrally formed with a groove 27 along the rotation axis direction (vertical direction) of the rotation portion 21, and the fitting portion 28 is rotated. A plurality of them are provided in the axial direction, and the intervals between these fitting portions 28 have a predetermined length equal to or longer than the length of the connecting member 22 (slightly longer than the length of the connecting member 22).

The connecting member 22 is formed in a U-shaped cross-section that can be fitted and removed from the two fitting portions 28 in a joined state in the direction of the rotation axis (up and down direction), and the tip end thereof is a hook shape into which the groove portion 27 is inserted. It is a protrusion 22a. Further, a screw is screwed on the upper portion of the connecting member 22 to form a stopper 29 (FIG. 7). A part of the lower surface of the rotating portion 21 of the hinge 19 is placed on an upper surface 32a of a plate material 32 described later, and its downward movement is restricted. Further, the hinge member 20 provided on one door unit 2 of the two adjacent door units 2 is provided with the engaging portion 33, and the hinge member 20 provided on the other door unit 2 is provided with the engaging portion 33. Engaging groove 34 with which
Is provided.

A T-shape is formed on a portion of the left and right vertical frames 3 of the door unit 2 which faces the sliding portion 26 in the thickness direction and the seal material mounting portions 8 on both sides of the upper horizontal frame 4 and the lower frame 7 in the thickness direction. Sealing material mounting grooves 30 are provided (FIGS. 2 to 5), and the sealing material mounting grooves 30 corresponding to the thickness direction respectively have sealing materials 31.
Are continuously mounted, and each sealing material 31 reaches from the upper end of one vertical frame 3 to the end of the upper horizontal frame 4, and the other vertical frame 3
Along the lower frame 7 to one of the vertical frames 3,
It is bent upward to the lower end of the sliding portion 26, and this bent portion is sandwiched between the end surface of the lower frame 7 and the plate member 32 and fixed by screws, and is provided so as to surround the upper, lower, left, and right outer peripheries of the door unit 2. . These seal members 31 are formed into a crank shape in cross section and one end portion of which is fit in the seal member mounting groove 30, and the other end portion (tip side) that closes the gap is thin so as to be easily bent and overlapped. It is formed into a fin piece. In addition, the seal member 31 has an upper horizontal frame 4 as shown by the two-dot chain line in FIG.
And the upper guide rail 11 and between the lower frame 7 and the lower guide rail 17 are provided so as to close the upper guide rail 11 on the side not connected by the hinge between the door units 2.
From the lower guide rail 17 to the lower guide rail 17, and the tips of the sealing materials 31 provided on the respective door units 2 are overlapped with each other, and on the side connected by the hinges 19 between the door units 2. The space between the hinge 19 and the upper guide rail 11 and the space between the hinge 19 and the lower rail 17 are closed.

The folding door 1 is folded in a zigzag shape when opened, and the door units 2 are stacked adjacent to each other. When the folding door 1 is closed, the door units 2 are arranged in a line to form a single wall. Partition the room. Since the sealing material 31 is made of rubber, when closed, the tips of the sealing material 31 between the door units 2 overlap to close the gap, and the guide rail 11 and the floor 5 are closed.
Since the tip of the sealing material 31 that closes the space between the door 1 and the door unit 2 contacts the guide rail 11 and the floor 51, it is difficult for sound to leak from one of the partitioned rooms to the other room, and the soundproof effect is high. Further, even when the folding door 1 is opened, even if the tip of the sealing material 31 is in contact with the guide rail 11 and the floor 51, there is no resistance when the folding door 1 is opened and closed.

[0012]

As described above, according to the present invention, the sealing material is provided on the outer periphery of each door unit, and the gaps between the door units and between the door units, the guide rails, and the floor are closed with the sealing material. It has a simple structure, is inexpensive, and has a high soundproofing effect.

[Brief description of the drawings]

FIG. 1 is a front view of a folding door closed state.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a plan view of the folding door in an open state.

5 is a V view of FIG. 1. FIG.

FIG. 6 is an explanatory diagram showing a state in which a gap is closed by a sealing material when the folding door is closed.

FIG. 7 is a perspective view of a hinge.

[Explanation of symbols]

1 Folding door 2 Door unit 3 Vertical frame 4 Upper horizontal frame 7 Lower frame 11 Upper guide rail 30 Seal material mounting groove 31
Seal material

Claims (2)

[Claims] 1. A room comprising a plurality of door units, each door unit being movably suspended by being guided by a guide rail, and when the folding doors are closed, the door units are arranged in a line to form a single wall-like room. For folding doors that are separated and opened to open and then stacked next to each other and folded, on the outer periphery of each door unit, between the door units when closed, between the guide rail and the door unit, and between the floor and the door unit. A soundproof device for a folding door, which is provided with a sealing material that closes the gap between the two. 2. The folding unit according to claim 1, wherein the vertical frame, the horizontal frame, and the lower frame of the door unit are provided with a groove along the longitudinal direction of each frame, and a sealing material is fitted in the groove. Door soundproofing device.