JPH11336435A - Folding door for doorway - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a folding door for a doorway that does not project much from an opening, can open and close the opening spatially advantageously, makes an appearance difference between the surface and the reverse unremarkable, and can be opened and closed smoothly and safely from either side of the door. SOLUTION: The folding door for a doorway opens and closes an opening 2 by two door panels 3a, 3b that fold and project toward one side of a doorway opening 2, and two door panels 3c, 3d that fold and project toward the other side of the opening 2 which are combined so as to operate symmetrically, interlocking with each other, separated by the opening 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door used in a house, for example.

[0002]

2. Description of the Related Art As shown in FIGS. 4 (a) and 4 (b), when a folding door 51 is opened, a projection amount P from an opening 52 is provided.
₁ is smaller than the protrusion amount _{P 2} in the case of a hinged door 53,
Therefore, there is an advantage that the opening 52 can be opened and closed advantageously in terms of space.

[0003]

However, in the conventional folding door 51 as described above, the side protruding when opened is often recognized as the front side and the opposite side is recognized as the back side. For example, as a door for storage rooms such as clothing,
Although it may be used with the side protruding at the time of opening outward, the doors of the entrance that are both visible on the back and front are only used in unit baths at best, and the room and the room It was rarely used as a doorway connecting a room or a doorway connecting a room and a corridor.

When the conventional folding door 51 is used as an entrance door, as shown in FIG. 4C, there is no problem when entering and exiting from the side that protrudes when opening, but FIG.
As shown in the figure, when entering or exiting from the side opposite to the side that protrudes when opening, in the process of opening the folding door 51, the hand H must be turned around to the back side of the door plate 51a. Also, when closing the open door, the hand H must be turned around the back side of the door plate 51a, and the opening / closing operation is troublesome. In addition, when the folding door 51 is opened, the hand H may be pinched between the door plates 51a and 51b constituting the folding door 51, and the user may feel painful.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional background, the present invention provides a folding door that has a small protrusion from an opening and can open and close the opening advantageously in terms of space. It is an object of the present invention to provide a folding door that does not cause the user to feel the opening and that can open and close smoothly and safely from either side of the opening.

[0006]

Means for Solving the Problems The above object is achieved by two door plates which are bent and protruded to one side of the opening and two door plates which are bent and protruded to the other side of the opening. The door opening / closing door is characterized in that the doors are combined so as to be operated symmetrically with each other across the opening.

[0007] That is, the folding door is projected in any direction sandwiching the opening, but the projection from the opening is small in any direction. Therefore, the opening is opened and closed advantageously in terms of space. be able to.

In addition, since the folding door has a structure in which it is bent and protruded to any side of the opening, the folding door is sandwiched between the openings without giving any appearance, back or front. Either side can be recognized as a table,
It can be adopted as an entrance door without discomfort. Therefore, the door can be widely used in various door openings such as a door connecting a room and a door connecting a room and a corridor, and an application range of a folding door can be expanded.

[0009] Moreover, no matter from which side
In the process of opening the door, the hand does not turn around to the back side of the door plate, but rather, the door opens in the direction that fits into the joint of the hand, and when closing, the hand is behind the door plate You don't have to do anything to get around. Therefore, the opening and closing operation can be performed smoothly from any side. In addition, the opening and closing operation can be performed safely without having to pinch a hand when opened.

[0010]

Next, embodiments of the present invention will be described with reference to the drawings.

In the embodiment shown in FIG. 1, 1 is a wall, 2
Is an entrance opening, and 3 is a folding door.

The folding door 3 opens and closes the entrance opening 2 in a single-opening manner. Two door plates 3a and 3b facing one side sandwiching the opening 2 and the other door sandwiching the opening 2 are provided. And two door plates 3c and 3d facing the side.

The two door plates 3a and 3b are connected to each other by a hinge 4 on the inner surface side, and are bent and protruded to the one side sandwiching the opening 2.
The other two door plates 3c and 3d are also connected by hinges 5 on the inner surface side, and are bent and protruded to the other side with the opening 2 interposed therebetween. These two door plates 3 a, 3 b, 3 c, and 3 d are attached to guide rails 6 of the opening 2 by guide rollers 7, 8.
And one side in the width direction is an opening 2
And the other side in the width direction is free, and the two door plates 3a, 3b and the other two door plates 3c, 3d sandwich the opening 2. , And operate symmetrically in response to the opening and closing of the opening 2. Note that the guide rails 6 may be provided above and below the opening 2, or may be provided only above the opening 2.

When the folding door 3 is closed, one of the two door plates 3a and 3b has its outer surface flush with or substantially flush with one surface of the wall 1. And the other two door plates 3c,
3d is provided so that its outer surface is flush or substantially flush with the other surface of the wall 1.

In order to open and close the folding door 3, the folding door 3 is opened.
Handles 9 and 10 are provided on both side plates 3a and 3c on the free side.

In the above folding door 3, the opening 2 is opened by a person in FIG.
When trying to pass in the direction shown in (a), the hand H is hung on the handle 9 in front of the closed folding door 3, and is pushed to the side while being pulled forward. This allows
The door plates 3a and 3b on the front side are bent toward the front side and protrude, and in conjunction with this operation, the door plates 3c and 3d on the other side are bent and protruded toward the other side and the entrance opening 2 is opened. And in the process of this opening, the handle 9 on which the hand H is hung,
The direction of the opening H is gradually changed to the side of the opening 2 to be opened, and the hand H holding the handle 9 is kept in a natural state without difficulty from beginning to end, and when the folding door 3 is completely opened, the hand H is held. There is no such thing as sandwiching. Also, as shown in FIG. 2B, the operation is the same as in the above case when the user intends to pass through the opening 2 from the side opposite to the above case. That is, the hand H is hung on the handle 10 in front of the closed folding door 3, and is pushed to the side while being pulled forward. As a result, the front door plates 3c and 3d bend and protrude to the front side, and in conjunction with this operation, the door plates 3a and 3b on the other side bend and protrude to the other side, and the entrance opening 2
Will be opened. In the course of this opening, the handle 10 on which the hand H is hung gradually turns to the side of the opening 2 to be opened, and the hand H holding the handle 10 is always natural. And the folding door 3
There is no such thing as pinching your hand when you open the. As described above, according to the folding door 3, it is possible to open the door 2 in the same manner from either side of the opening 2, and in the process of opening the hand H,
It can be kept in a natural state without difficulty. Moreover, there is no such thing as to pinch a hand when fully opened.

Further, since the folding door 3 has a structure in which the folding door 3 is installed in the access opening 2 and bends and protrudes to either side of the opening 2, the folding door 3 is provided. Is recognized as a front from any side sandwiching the opening 2, and the provision of this in the entrance opening 2 does not cause any discomfort.

In addition, when the folding door 3 is opened, only about half the width of the opening 2 protrudes on either side of the entrance opening 2 in the opened state, and the opening is advantageous in terms of space. The part 2 can be opened and closed.

In this embodiment, the surface of the folding door 3 is flush with or substantially flush with the surface of the wall 1 on any side of the opening 2 when the folding door 3 is closed. Therefore, on either side of the opening 2,
In terms of design, not only can the door 2 and the wall 1 have a sense of unity, but also such a folding door 3 can be made up of two door plates 3a, 3b and the other two door plates 3c, 3d. Can be easily formed in combination with

The folding door 3 shown in FIG. 3 has the folding door of the above embodiment as one unit, and is provided with two units.
It is a double-door folding door. The double-door type folding door 3 can be used effectively when the width of the opening 2 is wide, or when it is desired to make the protrusion when opened smaller. In other words, the entrance / exit folding door of the present invention is configured so that a folding door composed of a combination of two door plates sandwiching the opening and another two door plates constitutes one unit and has a structure including at least this one unit. Good. It is also possible to configure a movable partition with an access function when two or more units, for example, three units or five units are combined to partition a room into a plurality of rooms.

[0021]

As described above, since the entrance / exit folding door of the present invention has the above-described structure, the opening from the opening is small, and the opening / closing can be advantageously opened and closed. Not only can it be made, but it does not make the back, front, and outer appearance visible, and is recognized as a front from either side of the opening, so it can be used as an entrance door without discomfort, Can be expanded. In addition, the opening and closing operation can be performed smoothly and safely from either side of the opening.

[Brief description of the drawings]

FIG. 1 shows a folding door according to an embodiment. FIG. 1A is a cross-sectional plan view in a closed state, and FIG. 1B is a cross-sectional plan view in an opening process and an open state.

FIG. 2 (a) is a cross-sectional plan view showing a method of operating a folding door from one side sandwiching an opening, and FIG. 2 (b) is a method of operating a folding door from the other side sandwiching an opening. FIG.

FIG. 3 is a sectional plan view showing a folding door of another embodiment.

4 (a) and 4 (b) are cross-sectional plan views showing the amount of projection when the folding door and the hinged door are opened in each case, and FIG. FIG. 4D is a cross-sectional plan view illustrating a method of operating the folding door from one side, and FIG. 4D is a cross-sectional plan view illustrating a method of operating the folding door from the other side across the opening.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Wall 2 ... Opening 3 ... Folding door 3a ... Door plate 3b ... Door plate 3c ... Door plate 3d ... Door plate

Claims (1)

[Claims] 1. Two door plates that are bent and protruded to one side sandwiching an opening, and two door plates that are bent and protruded to the other side sandwiching the opening interlock with each other across the opening. Door folding doors, which are combined so that they are operated symmetrically.