JPH0726828A - Suspended folding door device - Google Patents

Abstract

PURPOSE:To open and close a door body easily even if it is greatly heavy by hinging a folding door to a suspending unit suspended to a guide rail in a transversely movable manner, and mounting both doors so as to be back to back in the case they are opened at right angles. CONSTITUTION:A suspended unit 3 of a vertically suspended door body bearing frame 16 is suspended to a guide rail 1 in a transversely movable manner. The ends of door bodies 12a and 12b forming a folding door 5 are mounted to both sides of the bearing frame 16 of the suspended unit 3 with a hinge in an openable manner. In the case of a folding posture S2, both door bodies 12a and 12b are back to back, so that they can move transversely in such a state. The lower part of the folding door 5 is borne on a steady rest unit 4 of the suspended unit 3 with inverted construction. According to the constitution, a mirror, etc., are mounted to the rear of the folding door 5 to use it effectively and, at the same time, a heavy folding door can be also opened and closed easily.

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 as a means for opening and closing an opening of furniture or a built-in storage space, or as a room partition, that is, a folding body in which two door bodies are foldably connected. The present invention relates to a hanging folding door device in which an upper part of a door is movably suspended.

[0002]

2. Description of the Related Art A conventional folding door device of this type is an expansion and closing device in which the inner sides of two door bodies are arranged in such a manner that both door bodies are substantially flush with each other in parallel with a hanging guide rail. It can be opened and closed by hinges so that it can be opened and closed between the posture and the folded open posture in which the back surfaces of both door bodies are adjacent to each other, and the upper part of the outer side of each door body can be moved to the hanging guide rail. It was hinged to the suspended suspension unit so that it could be opened and closed with a hinge.

In such a conventional hanging folding door device, when the folding doors are opened, the back surfaces of the respective door bodies face each other so that they cannot be seen from the outside. It is not possible to attach and use parts such as mirrors and accessory holders on the back side of. In addition, when opening and closing the folding door, it is necessary to constantly move the two door bodies in an interlocking opening / closing motion, which causes a large load at the time of opening / closing, and it is difficult to open / close particularly when a large and heavy door body is used. .

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, the features of which will be described with reference numerals of embodiments described later in parentheses. As shown, the hanging folding door apparatus of the present invention includes a hanging guide rail (1), a hanging unit (3), and two door bodies (12a, 12a).
b) and the suspension unit (3) is movable in a position parallel to the suspension guide rail (1).
The main body (6) hung from (1) and the inner sides of the two main door bodies (12a, 12b) are hung from the front side of the main body (6) by the main body (12a, 12b). The extended and closed position (S1) parallel to the guide rail (1) and continuous in a substantially flush manner.
(a, 12b) surface is adjacent to each other
(S2) and a hinge part (7) pivotably attached to the (S2).

The main body (6) is provided with two horizontal shaft wheels (10a, 10b) which are axially supported at both ends in the moving direction and which are fitted to the supporting rail portion (8) of the hanging guide rail (1). , Providing two vertical shaft rollers (11a, 11b) fitted to the steady rest rail part (9) of the hanging guide rail (1) near the respective horizontal shaft wheels (10a, 10b). In addition, the two main units (12a, 12b) are in parallel with the hanging guide rails (1) and are in a substantially flush continuous folding closed position (S1). Click mechanism for positioning (25
~ 29) can be added.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 to 3, 1 is a hanging guide rail, 2 is a lower steady rest guide rail, and 3 is a lower steady rest guide rail. Is a hanging unit, 4 is a lower steady rest unit, and 5 is a folding door. The suspension unit 3 includes a main body 6 suspended from the guide rail 1 so as to be movable in a posture parallel to the suspension guide rail 1, and a hinge portion 7 pivotally mounting a folding door 5 on the front side of the main body 6. It consists of

The hanging guide rail 1 has a supporting rail portion 8 whose front side is open, and a steady rail portion 9 which is below the supporting rail portion 7 and whose lower side is open. The main body 6 has two horizontal shaft wheels 10a and 10b which are axially supported at both ends in the moving direction and which are fitted to the supporting rail part 8 of the hanging guide rail 1, and below the respective horizontal shaft wheels 10a and 10b. Two vertical shaft rollers 1 that fit into the steady rest rail portion 9 of the hanging guide rail 1 at the position
1a and 11b.

The folding door 5 is composed of two door bodies 12a and 12b, and the hinge portion 7 of the suspension unit 3 is a door body 12.
Two hinges 13a, 13b pivotally attached to the upper part of the inner side of a
And two hinges 1 that pivotally attach the upper part of the inner side of the door body 12a.
4a, 14b, and each of these hinges 13a-1
One of the attachment pieces 15 of 4b is attached to a side surface of a vertical door body supporting frame 16 having an upper end fixed to the central back surface side of the body 6, and the other attachment piece 17 of each hinge 13a to 14b is attached to each door. The main body 12a, 12b is embedded and fixed on the back surface near the inner side.

The hinges 13a to 14b shown in the figure are those in which both attachment pieces 15 and 17 are connected via a link mechanism, and those which are commercially available as slide hinges are generally used, but other hinges such as flat hinges are used. You can also use hinges. In this case, the other attachment piece of the flat hinge in which one attachment piece is fixed to the inner end surfaces of the respective door bodies 12a and 12b adjacent to each other is positioned so that the other attachment piece is located between the inner end surfaces of the two door bodies 12a and 12b adjacent to each other. It can be fixed to both side surfaces of the mounting plate portion projecting from 6, or the other mounting piece of the flat hinge can be bent and extended in an L shape and fixed to the surface of the main body 6. Of course, the door bodies 12a, 12
When b is small and lightweight, it is possible to pivotally attach the inner sides of the door main bodies 12a and 12b to the main body 6 by one hinge.

As shown in FIG. 1, two door main bodies 12a and 12b, whose inner sides are pivotally attached to the front center of the main body 6 by a hinge portion 7, have two door main bodies 12a and 12b as hanging guides. It is swingable between a deployment closed posture S1 which is parallel to the rail 1 and is substantially flush with the rail 1, and a folding open posture S2 in which the surfaces of the two door bodies 12a and 12b are adjacent to each other and face each other. In the example shown in FIG. 1, two folding doors 5 are configured to open and close the opening of the storage space, and one or both of the door bodies 12a and 12b of each folding door 5 are hinged. The part 7 can be used to pull it toward you to open it. Since the folding door 5 having the door bodies 12a and 12b opened can be moved laterally along the guide rail 1, by moving each folding door 5 in the folding open posture S1 and moving it to the end of the opening. The opening can be opened wide. When closing the opening, each folding door 5 may be moved back to a predetermined position and returned, and each of the door main bodies 12a and 12b may be closed using the hinge portion 7 to set the folding door 5 in the expanded and closed posture S1. .

The lower steady rest guide rail 2 and the lower steady rest unit 4 may be used together when necessary, such as when the folding door 5 is large and heavy. The lower steady rest guide rail 2 of this embodiment has a groove-shaped cross-sectional shape with an open upper side, and a lower steady rest unit 4 is provided.
Is a main body 19 provided with two vertical shaft rollers 18a and 18b fitted to the guide rail 2 and hinged to a lower part of an inner side of each of the main door bodies 12a and 12b so as to be openable and closable. . This hinge part 20 is the same as the hinge part 7 in the suspension unit 3,
The door main body supporting frame 21 protruding from 9 and two hinges 22a, 22b and 23a, 23b are used.

When the folding door 5 is expanded and closed to the closed position S1 and the opening is closed, the folding door 5 must be positioned at a predetermined position in the lengthwise direction of the hanging guide rail 1 as shown in FIG. A gap is created between the other folding door 5 and the side wall of the opening, or the free end portion (outer side) of the door body 12a or 12b overlaps with another adjacent folding door 5 or the side wall of the opening. Become. Therefore, in order to easily avoid such a situation, a click mechanism that positions the hanging unit 3 at a predetermined position in the length direction of the hanging guide rail 1 when the folding door 5 is in the unfolded and closed posture S1. It is desirable to provide it.

FIG. 5 shows an example of the above-mentioned click mechanism, in which a locking plate 26 having a locking hole 25 is provided below the beam member 24 arranged on the rear side of the hanging guide rail 1. Mounted horizontally, the main body 6 of the suspension unit 3 is attached to the suspension unit 3
Is located at a predetermined position in the lengthwise direction of the hanging guide rail 1, a spring ball unit 29 including a sphere 27 that fits upward in the locking hole 25 and a spring 28 that urges the sphere 27 to project upward. Is installed. The locking plate 26 may be continuous over the entire length of the hanging guide rail 1, or the locking plate 26 may be continuously provided integrally with the hanging guide rail 1. Of course, when the lower steady rest unit 4 is also used, a similar click mechanism can be provided in parallel with the lower steady rest unit 4.

[0014]

As described above, according to the hanging folding door apparatus of the present invention, when the folding door is in the folding open position, the two door bodies constituting the folding door have their back surfaces mutually facing each other. Because they are folded in a state of facing each other,
Even though it is a folding door, the back side of the door body can be used for mounting parts such as mirrors and accessory holders. In addition, since the two door bodies that form the folding door can be opened and closed separately, the load at the time of opening and closing is small, and even if a large and heavy door body is used, the opening and closing operation can be performed easily.

In particular, as shown in the embodiments, a click mechanism for positioning the hanging unit at a predetermined position when the two door main bodies are in the folding closed position in which the two door bodies are parallel to the hanging guide rail and substantially flush and continuous with each other. When it is installed side by side, when the folding door is expanded and closed and the opening is closed, there is a gap between the folding door and the side wall of the adjacent folding door or the free end of the door body (outer side). It is possible to easily and easily avoid that the side) overlaps another folding door or the side wall of the opening adjacent to each other.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a usage state of a folding door device according to the present invention, and FIG. 1B is a plan view showing a hanging portion of the folding door device, in which a hanging guide rail is omitted.

FIG. 2 is a vertical sectional side view showing a folding door suspension portion and a lower steady rest portion.

FIG. 3 is a rear view of FIG. 2.

FIG. 4 is a schematic plan view showing a state in which the two sets of folding doors shown in FIG. 1A are in a deployed and closed posture.

FIG. 5 is a vertical cross-sectional side view showing a folding door suspension portion showing an embodiment incorporating a click mechanism.

[Explanation of symbols]

 1 Hanging guide rail 2 Lower steady rest guide rail 3 Hanging unit 4 Lower rest rest unit 5 Folding door 6 Main body 7 Hinge part 8 Supporting rail part 9 Steady rest rail part 10a Horizontal shaft wheel 10b Horizontal shaft wheel 11a Vertical Axis Roller 11b Vertical Axis Roller 12a Door Main Body 12b Door Main Body 13a Hinges (Slide Hinges) 13b Hinges (Slide Hinges) 14a Hinges (Slide Hinges) 14b Hinges (Slide Hinges) 16 Door Main Body Support Frame 25 Locking Holes (Click) Mechanism) 27 sphere (click mechanism) 28 spring (click mechanism)

Claims (3)

[Claims] 1. A suspension guide rail (1) and a suspension unit.
The suspension unit (3) consists of (3) and two door bodies (12a, 12b). The suspension unit (3) is movably mounted on the guide rail (1) in a posture parallel to the suspension guide rail (1). The suspended body (6) and the two door bodies on the front side of this body (6)
The inner sides of (12a, 12b) are arranged in a closed and closed position (S1) in which the two door bodies (12a, 12b) are parallel to the hanging guide rail (1) and are substantially flush with each other. 12a, 12b) has a hinge part (7) pivotably attached to a folding open position (S2) adjacent to each other and facing each other. 2. A main body (6) comprises two horizontal shaft wheels (10a, 10b) which are axially supported at both ends in the moving direction and which are fitted to the supporting rail portion (8) of the hanging guide rail (1). And a guide rail for suspension at a position near each of these horizontal axis wheels (10a, 10b).
The hanging folding door device according to claim 1, further comprising two vertical shaft rollers (11a, 11b) fitted to the steady rest rail portion (9). 3. A double-door main body (12a, 12b) is a hanging guide rail.
The click mechanism (25 to 29) for positioning the suspension unit (3) at a predetermined position when it is in the folded closed position (S1) parallel to (1) and substantially continuous with the same is additionally provided. Or the hanging folding door device described in 2.