JPH0725425Y2 - Folding door structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to the structure of a folding door used as a room partition or the like.

[Conventional technology]

Conventionally, when a door is provided as an indoor partition, there has been an attempt to reduce the space required for opening and closing by forming the door body with a folding door. That is,
As shown in FIG. 12, a pair of door bodies 42, 43 formed to have substantially the same width are provided inside the opening frame 41, and the side ends on the center side of these door bodies 42, 43 are connected with each other by a connecting tool (not shown). Connect). One side of one door body 42 is rotatably connected to the opening frame 41. A runner 44 is provided on the upper end of the other door body 43, and the runner 44 is slidably engaged with an upper rail 45 provided on an upper frame 41a of the opening frame 41. A guide 46 is provided at the lower end of the door body 43, and the guide 46 is slidably engaged with a lower rail 47 provided on the floor (see FIG. 13). And, in the closed state, as shown in FIG.
42 and 43 are arranged in a row, and in the open state, one door body 4
The other side 2 is rotated to the outside of the opening frame 41, and is folded with one door body 42 in contact with the other door body 43.

[Problems to be solved by the device]

However, in this structure, as shown in FIG. 15, when the pair of door bodies 42, 43 are in the open state, the door bodies 42, 43 are opened by the opening frame.
There was a problem that it greatly protruded from 41 and was an obstacle.
Also, when opening and closing, if the amount of protrusion is large, the operability is poor. Further, since the guide 46 is provided at the lower end of the other door body 43 and the guide 46 is slid in the lower rail 47, dust is likely to be accumulated in the lower rail 47, and the operation of the door body 43 can be performed smoothly. There was a problem of not having.

Therefore, the object of the present invention is to improve the operability by suppressing the protrusion from the opening frame of the door body, prevent malfunction due to accumulation of dust, and smoothly open and close the door body. The purpose is to provide a folding door structure.

[Means for solving the title change]

The folding door structure of this invention is installed in the opening frame, and one side is rotatably connected to one side of the opening frame and one side is rotated to the other side of the one door body. In the structure of the folding door, which is composed of the other door body movably connected, extends in the closed state of the other door body to close the opening frame, and is folded together with the one door body to one side of the opening frame in the open state. , The upper and lower end surfaces of one side of the door body are connected to the opening frame rotatably around the vertical axis by the upper support and the lower support, and the width of the other door body is smaller than the width of the one door body. And a runner is provided in the center portion in the width direction and the thickness direction of the upper end surface of the other door body, and the runner is movably engaged with a rail provided in the upper frame of the opening frame. It is a thing.

[Action]

According to the configuration of the present invention, the width of one door body is formed to be narrower than the width of the other door body. Therefore, when the pair of door bodies is opened and folded, a part of the other door body has an opening frame. By projecting inward, the amount of projection of the opening frame to the outside can be reduced. Therefore, the door body is not obstructed when opening and closing, and can be easily operated. In addition, the upper and lower end surfaces of one side of the door body are connected to the opening frame by an upper support and a lower support so as to be rotatable about the vertical axis, and the other door body is connected to the opening frame by a runner. Since it is hung on the rails of the frame, it is not necessary to provide a lower rail for opening and closing the pair of door bodies on the floor. Therefore, it is possible to prevent the malfunction of the door body caused by the accumulation of dust in the rail. Further, since the runner is hung on the rail by providing the runner at the center portion in the width direction and the thickness direction on the upper end surface of the other door body, the other door body is hung in a well-balanced manner and the runner runs smoothly along the rail. it can.

〔Example〕

An embodiment of the present invention will be described with reference to FIGS. 1 to 11.

The opening frame 1 is composed of a pair of vertical frames 1a and an upper frame 1b connecting the upper ends of the vertical frames 1a, and is fixed to the opening of the wall. Door stops 1c (see FIG. 2) are fixed to the inner peripheral surfaces of the vertical frame 1a and the upper frame 1b. A blind member 1d is vertically provided on the front portion of the upper frame 1b in a state where a gap is provided between the door stop 1c. Then, in the gap, the runner 7 (fourth
A rail 4 for sliding (see the figure) is provided.

As shown in FIG. 1, the door body 2 has one side rotatably suspended on a vertical frame 1a on one side of the opening frame 1. Door body 2
As shown in FIG. 3, the suspension is carried out by an upper support tool 5, which comprises a pivot hinge or the like projecting from the inner peripheral surface of the upper and lower parts of the opening frame 1.
The lower support 6 is used.

The upper support 5 includes a tubular body 5a, a pivot 5b provided in the tubular body 5a, and a spring 5e installed in the tubular body 5a and pushing up the pivot 5b upward. Protrusion 5d at the bottom of pivot 5b
The protrusion 5d projects from a slide groove (not shown) formed in the cylindrical body 5a and moves up and down in the slide groove. The upper part of the pivot 5b is inserted into the insertion hole 1b 'formed in the upper frame 1b, and the lower part is formed in the upper end surface of the door body 2 through the insertion hole.
It is inserted through 2a. In the normal state, the upper end of the pivot 5b is inserted into the insertion hole 1b 'of the upper frame 1b, and the upper portion of the pivot 5b is removed from the insertion hole 1b' by pushing down the protrusion 5d, so that one door body 2 is attached or detached. Will be possible. In addition,
The pivot 5b has a reinforcing plate 5c embedded in a recess 2c formed in the upper end surface of the one door body 2, and is fixed to the one door body 2 together with the reinforcing plate 5c.

The lower support 6 is composed of a horizontal member 6a and a pivot 6b standing on the horizontal member 6a. In this lower support 6, the horizontal member 6a is fixed to the vertical frame 1a of the opening frame 1, the upper end of the pivot 6b is inserted into the insertion hole 2b provided in the lower end surface of the door body 2, and the door body 2 is rotated. Supports freely. The lower support 6
When providing the, the recess 2d is formed in the lower surface of the door body 2,
The reinforcing plate 6c is clamped in the recess 2d and fixed to the door body 2.

As shown in FIG. 1, the other door body 3 is formed so that its width dimension is about twice the width dimension of the one door body 2.
A runner 7 is rotatably fixed to the center portion in the width direction and the thickness direction of the upper end surface of the other door body 3, and the runner 7 is engaged with a rail 4 provided in the opening frame 1 and slides. .

The rail 4 is installed with the opening of the lip channel steel arranged below, and the inner surfaces of both lips are covered by the runner 7.
Runs. As shown in FIG. 5, a stopper 8 is provided inside the rail 4 to stop the sliding runner 7 and prevent the other door body 3 from coming into contact with the one door body 2. . A side plate 4a at the end of the rail 4 is detachably formed, and the runner 7 is housed in the rail 4 with the side plate 4a removed. Further, a wood grain sheet material 4b (see FIG. 6) is attached to the outer surface of the rail 4.

As shown in FIG. 7, the connecting portion between the one and the other door bodies 2 and 3 has a connecting member 9 including gears provided at the upper and lower ends thereof.
Are linked by. Notches 2e and 3a are formed on the upper end surfaces of the door bodies 2 and 3, and gear receivers 9c are fixed to the respective gear receivers 9c by screws. Are fixed, and gears 9a are rotatably provided on the gear case 9b. These gears 9a mesh with each other and rotate as the door bodies 2 and 3 rotate.

As shown in FIGS. 8 and 9, elastic members 10 made of mohair or the like are provided at both ends of one door body 2.
The elastic material 10 closes a gap formed between the elastic body 10 and the other door body 3 and a gap formed between the elastic body 10 and the opening frame 1 to prevent fingers from being caught and the appearance from being impaired.

The operation according to this embodiment will be described. As shown in FIG. 10, the other door body 3 of the door bodies 2 and 3 in the closed state.
When pulling the handle on the side of the opening frame 1 of the other, the other door body 3
The side end on the side of the opening frame 1 protrudes toward you, and the other side end moves to the back side of the opening frame 1. At this time, the runner 7 provided on the other door body 3 slides in the rail 4. In addition, the one door body 2 is rotated at the side end on the other door body 3 side toward the inner side of the opening frame 1 in response to the operation of the other door body 3. When the other door body 3 is fully opened, the one and the other door bodies 2, 3 are folded and housed on one side of the opening frame 1 (see FIG. 11).

According to the configuration of this embodiment, the width of the one door body 2 is formed to be half the width of the other door body 3, so that the door bodies 2, 3 are opened and folded when the pair of door bodies 2, 3 are opened. It is possible to reduce the amount of protrusion of the opening frame 1 to the outside.
Therefore, it becomes easy to open and close the door bodies 2 and 3. Further, since the pair of door bodies 2 and 3 are hung on the vertical frame 1a of the opening frame 1 via the upper support 5 and the lower support 6 formed of pivots, the door bodies 2 and 3 can be easily attached and detached. Moreover, since it is not necessary to support the lower surfaces of the door bodies 2 and 3 with a guide or the like, a slide rail for sliding the door bodies 2 and 3 becomes unnecessary. Therefore, the door bodies 2, 3 caused by clogging of the slide rails with dust, etc.
Can be prevented from malfunctioning. Further, since the runner 7 is provided at the center position in the width direction and the thickness direction on the upper end face of the other door body 3 and is hung on the rail 4, the other door body 3 is hung in a well-balanced manner, and the runner 7 is hung on the rail 4.
It runs smoothly along the door and the doors 2 and 3 can be opened and closed smoothly. Further, since the stopper 8 is provided in the rail 4 provided on the upper frame 1b of the opening frame 1, even when the door bodies 2 and 4 are folded, they do not come into contact with each other, and it is possible to prevent scratches. it can. Further, since the connecting portions of the door bodies 2 and 3 are processed into a curved shape, it is difficult for a finger to be caught, and safety can be improved. In addition, since the elastic material 10 is provided in the gap between the connecting portion and the gap with the opening frame 1, it is more difficult for a finger to be caught and the appearance can be improved.

In the above embodiment, the width ratio of the one and the other door bodies 2 and 3 is set to 1: 2, but other width ratios may be used. However, 1: 1 is excluded.

Further, in the above-described embodiment, the gear 9a is used as the connecting member 9 that rotatably connects the pair of door bodies 2 and 3, but a link or a hinge may be used.

[Effect of device]

According to the structure of the folding door of the present invention, the width of one door body is formed to be narrower than the width of the other door body, so that when the pair of door bodies is opened and folded, a part of the other door body is opened. It is possible to project inside the opening frame and reduce the amount of projection outside the opening frame. Therefore, the door body is not obstructed when opening and closing, and can be easily operated. In addition, the upper and lower end surfaces of one side of the door body are connected to the opening frame by an upper support and a lower support so as to be rotatable about the vertical axis, and the other door body is connected to the opening frame by a runner. Since it is hung on the rails of the frame, it is not necessary to provide a lower rail for opening and closing the pair of door bodies on the floor. Therefore, it is possible to prevent the malfunction of the door body caused by the accumulation of dust in the rail. Further, since the runner is hung on the rail by providing the runner at the center portion in the width direction and the thickness direction on the upper end surface of the other door body, the other door body is hung in a well-balanced manner and the runner runs smoothly along the rail. However, the effect that the door body can be opened and closed smoothly can be obtained.

[Brief description of drawings]

FIG. 1 is a front view of a folding door according to an embodiment of the present invention, FIG. 2 is a partial sectional view of one of the door bodies, and FIG. 3 is a partial disassembly of a connecting portion of the one door body with an opening frame. Perspective view, 4th
FIG. 5 is a partial sectional view of the other door body, FIG. 5 is a perspective view of a rail, FIG. 6 is a partial detailed view thereof, FIG. 7 is a detailed view of a connecting portion of one and the other door body, and FIG. FIG. 9 is a partial cross-sectional view of a connecting portion between the opening frame and one door body, FIG. 9 is a partial plan view of an adjacent portion of one and the other door bodies, FIG.
FIG. 11 is a sectional view showing the opening / closing operation of the door body, FIG. 12 is a front view of a conventional folding door, and FIG. 13 is a partial vertical sectional view thereof.
14 and 15 are horizontal sectional views showing the opening / closing operation. DESCRIPTION OF SYMBOLS 1 ... Opening frame, 2 ... One door main body, 3 ... The other door main body, 4 ... Rail, 5 ... Upper support tool, 6 ... Lower support tool, 7
… Lanna

Claims (1)

[Scope of utility model registration request] 1. A door main body installed in an opening frame and rotatably connected to one side of the opening frame, and one side rotatably connected to the other side of the one door main body. A structure of a folding door that is composed of the other door body connected to the other door body, extends in the closed state of the other door body to close the opening frame, and is folded together with the one door body to one side of the opening frame in the open state. In the above, the upper and lower end surfaces on one side of the one door body are connected to the opening frame by an upper support and a lower support so as to be rotatable about a vertical axis, and the width of the other door body is set to one of the one. The runner is formed to be wider than the width of the door body, and a runner is provided in the widthwise and thickness central portions of the upper end surface of the other door body so that the runner can travel on a rail provided on the upper frame of the opening frame. Folding door structure characterized by being engaged.