JPH0886139A - Folding door device - Google Patents

Abstract

PURPOSE: To provide a folding door device which can be adjusted so as to prevent gaps from being concentrated to one position without being exposed to the outside, so that the appearance thereof can be enhanced. CONSTITUTION: Support members 11, 12 are attached to the opposite side parts of the upper and lower parts of one or more of folding doors 10 operably arranged in an opening 1 and each composed of a pair of door bodies 8 which are turnably coupled together at their inner end sides so as to be fordable, and are engaged with upper and lower guide rails attached to the upper and lower parts of the opening 1 so as to support the folding doors which are therefore freely movable and fordable in a horizontal direction. A gap adjusting mechanism 23 for limiting the movement of the support members 11, 12 on one end side with the use of regulating parts which can be projected in the longitudinal direction of the guide rails 4, 5 by an adjustable length, so as to adjust the gap S between one side part of the opening 1 and the folding doors 10, is provided on at least one end side of at least one of the guide rails 4, 5. With this arrangement, it is possible to enhance the appearance and the like of the folding doors 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding door apparatus which can be used as a door or a partition of a closet or the like, and more particularly to a folding door apparatus in which a folding door can be freely moved and folded in a horizontal direction within an opening. The present invention relates to a set-type free type folding door device.

[0002]

2. Description of the Related Art As shown in FIG. 12, one or more (two in the illustrated example) folding door devices of this kind are provided in an opening 1 as shown in FIG.
The folding door 10 is arranged. Each folding door 10 is configured such that the inner ends of the pair of doors 8 are rotatably connected to each other and can be folded so that the back sides are aligned as indicated by a virtual line. Guide rails (not shown) are provided above and below the opening 1, and each folding door 10 is supported by the guide rails via support bodies (not shown) provided on both sides of the upper and lower portions.

[0003] Therefore, in the inset type free type folding door apparatus configured as described above, the folding door 10 is used.
Is different from the outset type in which it is arranged outside the opening 1, the structure can be simplified and the cost can be reduced.
Unlike the pivot type in which one end of the folding door 10 is pivotally supported by a guide rail, the folding door 10 can be freely moved in the horizontal direction and folded.

[0004]

By the way, in the above folding door device, the folding door 10 can be easily incorporated in the opening 1 and the folding door 10 can be easily opened and closed in the opening 1. In order to do so, in the closed state, predetermined gaps S1 and S2 are secured between the side portion of the opening 1 and the folding door 10, and between a plurality of folding doors 10 when there are a plurality of folding doors. There is a need. However, because of the structure in which the folding door 10 can freely move in the horizontal direction, the gaps S1, S
There is a problem in that the two may gather in one place to form a large gap, and the appearance may be deteriorated. In addition, as one means for solving this problem, for example,
It is also possible to employ a door stop as described in Japanese Patent No. 82785, but since this door stop is mounted in a state where it is exposed on the side (vertical frame) of the opening, it is easily damaged and has a good appearance. There are problems such as bad and disturbing.

Therefore, an object of the present invention is to solve the above-mentioned problems and to adjust so that the gaps are not gathered at one place without being exposed to the outside, and the folding door device is improved in appearance and the like. To provide.

[0006]

In order to achieve the above object, the folding door device of the present invention is capable of rotating the guide rails provided at the upper and lower portions of the opening and the inner end sides of the pair of door bodies. One or a plurality of folding doors arranged to be openable and closable in the opening and provided on both sides of an upper portion and a lower portion of the folding door by engaging with the guide rails. A support body for freely moving and folding in a horizontal direction and at least one end side in at least one of the guide rails, and the above-mentioned end side of the guide rail by a regulating portion capable of adjusting the protrusion amount in the longitudinal direction. A gap adjusting mechanism that regulates the movement of the support and adjusts the gap between the side portion of the opening and the folding door is provided.

In the case of a single folding door, since the size of the gap gathering at one location is small, it is sufficient to dispose the gap adjusting mechanism only at one end of the guide rail (of course, it is arranged at both ends). If there are multiple folding doors,
Since the size of the gap gathering at one location increases, it is preferable to arrange the guide rails at both ends of the guide rail. The gap adjusting mechanism may be provided inside at least one of the upper and lower guide rails, but is preferably provided inside the upper guide rail where the inside of the guide rail is difficult to see.

[0008]

In the folding door apparatus of the present invention, the guide rail for guiding the support of the folding door has the regulating portion capable of adjusting the protrusion amount in the longitudinal direction of the guide rail. Since a gap adjusting mechanism for adjusting the gap between the side portion of the opening and the folding door is provided by restricting the movement of the support, the gap adjusting mechanism allows the gap between the side portion of the opening and the folding door to be adjusted. It is possible to secure a desired gap, and it is possible to adjust the gap so that it does not gather in one place without being exposed to the outside. Therefore, since the gap adjusting mechanism is not exposed to the outside, the appearance can be improved, as a matter of course.
The gap adjusting mechanism is not damaged or disturbed.

[0009]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 shows an embodiment in which the folding door apparatus of the present invention is applied to a closet door. In FIG. 1, reference numeral 1 denotes an opening of a storage room. As shown in FIGS. 2 to 3, the opening 1 is composed of vertical frames 2a on both left and right sides, and an upper frame 2b and a lower frame 2c that are bridged between upper end portions and lower end portions of these vertical frames 2a. It is partitioned by a rectangular frame 2.
Reference numeral 3 is a decorative casing provided on each of the upper frame 2b and the vertical frame 2a of the frame body 2.

An upper guide rail 4 and a lower guide rail 5 are provided to face each other along the longitudinal direction of the upper and lower portions of the opening 1, that is, the upper frame 2b and the lower frame 2c. These guide rails 4 and 5 are attached to attachment grooves 6 and 7 formed on the lower surface of the upper frame 2b and the upper surface of the lower frame 2c with screws or the like, and the upper guide rail 4 is in an attached state protruding from the lower surface of the upper frame 2b. The lower guide rail 5 is mounted on the same plane as the upper surface of the lower frame 2c. The guide rails 4 and 5 are made of extruded aluminum alloy, for example, but may be made of other metal or resin.

Further, in the opening 1, two folding doors 10 which can be folded by connecting the inner end sides of a pair of door bodies 8 to each other by a plurality of hinges 9 can be opened and closed. Supports 11, 1 for supporting the folding door 10 so as to freely move and fold horizontally in the upper and lower sides of each folding door 10 by engaging with the guide rails 4, 5 respectively.
2 are provided. This constitutes a so-called inset-type free type folding door device. Various materials and designs can be applied to the door body 8 forming the folding door 10. Further, the folding door 10 is provided with a handle 13, and the folding door 10 can be arbitrarily opened and closed between a closed state in which the folding doors 10 are aligned in a straight line on the opening plane and an open state in which the back sides are folded so that they are aligned with each other.

As shown in FIG. 4, an upper support 11 for supporting the upper portion of the folding door 10 includes an inner block 14 attached to a rear portion on the upper outer end side of the door body 8, and an upper portion of the inner block 14. Height adjustment bolt 15 provided on
And a roller holder 16 rotatably provided coaxially with the height adjusting bolt 15, and a pair of rollers 17 rotatably provided on both sides of the roller holder 16. The upper guide rail 4 has a shape capable of accommodating and engaging the roller 17 of the upper support 11 so as to be able to travel inside, that is, an inverted U-shaped cross section, and both lower edges 4 a are bent inward to form a slit 18. It is formed in a given shape. As shown in FIG. 2, the lower support 12 supporting the lower part of the folding door 10 is made of, for example, a resin sliding body 20 sliding along the groove 19 of the lower guide rail 5. The rod 21 at the lower end corresponding to 11
It is configured to be mounted via

At both ends inside the upper guide rail 4, as shown in FIGS.
Has a restricting portion 22 capable of adjusting the amount of protrusion in the longitudinal direction thereof, and by restricting the movement of the upper support 11 located on the end side by the restricting portion 22, the vertical frame 2a which is the side portion of the opening 1 and the folding door. 1
A gap adjusting mechanism 23 that adjusts a gap S between 0 and 0 is provided. The gap adjusting mechanism 23 has a main body 24 made of, for example, a resin and formed in a rectangular parallelepiped shape large enough to be accommodated inside the upper guide rail 4. The main body 24 is held in the upper guide rail 4. An engagement groove 25 is formed in a lower portion on both sides of the main body 24 so as to engage with both lower edge portions 4 a forming the slit 18 of the upper guide rail 4.

An opening 26 having a rectangular cross section is formed in the main body 24 so as to penetrate in the longitudinal direction of the upper guide rail 4, and the opening 26 is formed in a U-shaped cross section and is made of, for example, metal. The regulation portion 22 is accommodated so as to be slidable and retractable. In order to adjust the amount of protrusion of the restriction portion 22, an adjusting screw 27 having a dish-shaped head 27a at the lower end is rotatably attached to the main body 24 so as to vertically penetrate therethrough. The lifting piece 28 is screwed.
Projections 28a are formed on both sides of the lifting piece 28, and slanted oblong guide holes 29 are formed on both sides of the regulating section 22 having a U-shaped cross section so that the projections 28a of the lifting piece 28 engage with each other. Are formed.

Therefore, by rotating the adjusting screw 27 with a rotary tool such as a screwdriver, the protruding amount of the regulating portion 22 can be easily adjusted through the elevating piece 28 and the guide hole 29. The gap adjusting mechanism 23 configured as described above is configured such that the regulating portion 22 is connected to the upper guide rail 4.
It is attached to the end portion inside the upper guide rail 4 in a state of being positioned inside, and the rear end portion of the main body 24 is brought into contact with the vertical frame 2a. Further, the roller holder 16 of the upper support body 11 on the end side abuts on the restricting portion 22 to restrict further movement. By adjusting the amount of protrusion of the restricting portion 22, the vertical frame 2a comes close to the vertical frame 2a. The gap S between the folding door 10 and the closed door 10 can be adjusted.

In the folding door device thus constructed, the gap adjusting mechanism 23 is provided at both ends in the upper guide rail 4.
Is provided, the gap S between the left and right vertical frames 2a and the folding doors 10 adjacent to each vertical frame 2a can be adjusted. Then, by securing a predetermined gap S on both sides of the opening 1, it is possible to prevent a problem that the gap S gathers at one place and forms a large gap. Further, since the gap adjusting mechanism 23 is provided inside the upper guide rail 4 which is difficult to see and is not exposed to the outside, the appearance can be improved, and the gap adjusting mechanism 23 may be damaged or obstructed. Never do. As shown in FIG. 3, it is possible to cover the gaps S formed on both sides of the opening 1 by providing the projecting ridge portions 30 at the inner front edge portions of the both vertical frames 2a so as to face each other.

In the gap adjusting mechanism 23, the main body 2
Since the engaging grooves 25 that engage with the lower edge portions 4a on both sides forming the slits 18 of the upper guide rail 4 are formed in the lower portions on both sides of 4, the upper guide rail 4 can be reliably and easily mounted. Further, the gap adjusting mechanism 23 is moved up and down by an adjusting screw 27 having a head 27a at a lower end.
And since it is comprised so that the protrusion amount of the control part 22 can be adjusted via the inclined guide hole 29, the protrusion amount of the control part 22 can be adjusted easily by turning the adjustment screw 27 with a rotary tool.

8 to 11 show different modifications of the gap adjusting mechanism 23. First, in the gap adjusting mechanism 23 shown in FIG. 8, a screw shaft 32 having a gear 31 at one end is screwed to the back surface of the regulating portion 22 in order to adjust the amount of projection of the regulating portion 22. Further, the main body 24 has a crown gear 33 meshing with the gear 31 at an upper end, and a rotation shaft 34 having a head 34a at the lower end with which a rotating tool is engaged. In this case, the rotation of the rotary shaft 34 can be transmitted to the screw shaft 32 via the crown gear 33 and the gear 31, and the amount of protrusion of the restriction portion 22 can be adjusted by screw feeding.

The gap adjusting mechanism 23 shown in FIG.
An eccentric cam 35 is attached to the inside of the rotary shaft 4 via a rotary shaft 36, and a rotary tool is engaged with a head portion 36a at one end of the rotary shaft 36, for example, from a working hole formed on the storage chamber side of the upper guide rail, thereby eccentricity By rotating the cam 35, the amount of protrusion of the restriction portion 22 can be adjusted. The gap adjusting mechanism 23 shown in FIG. 10 is provided with an eccentric cam 37 rotatably provided in a main body 24 via a support shaft 38, and an adjusting screw 39 having the eccentric cam 37 vertically screwed to a lower portion of the main body 24. It is configured to be able to adjust the amount of protrusion of the restricting portion 22 by rotating by the up and down movement of.

The gap adjusting mechanism 23 shown in FIG. 11 is formed by screwing a regulating portion 22 composed of a screw or a bolt in the longitudinal direction of the upper guide rail 4 to the roller holder 16 of the upper support 11, and a vertical frame. The above-mentioned restricting portion 22 abutting on 2a
The gap S between the vertical frame 2a and the folding door 10 can be adjusted by adjusting the amount of projection of the folding door 10. In any of the modified examples, the same operational effects as those of the above-described embodiment can be obtained.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various design modifications can be made without departing from the scope of the present invention. Is. For example, in the above-described embodiment, the engagement grooves 25 are formed in the lower portions on both sides of the main body 24 of the gap adjusting mechanism 23 so as to be engaged with the lower edges 4 a forming the slits 18 of the upper guide rail 4. The main body 24 may be directly inserted into and engaged with the upper guide rail 4 from one end without using the engagement groove 25. Further, in the above embodiment, the gap adjusting mechanism 2 is provided inside the upper guide rail 4.
Although the case where 3 is provided is described, the gap adjusting mechanism 23
May be provided not inside the upper guide rail 4 but inside the lower guide rail 5, or may be provided inside both the upper and lower guide rails 4 and 5.

In the above-described embodiment, the regulating portion 22 of the gap adjusting mechanism 23 is configured to abut the roller holder 16 of the upper support 11, but the regulating portion 22 does not support the support bodies 11, 1.
2 anywhere, eg roller holder 16, roller 1
It may be in contact with any one of 7, rod 21, sliding body 20, and the like. Further, although the folding door device having the two folding doors 10 has been described in the above-described embodiment, the folding door device may have only one folding door 10 or three or more folding doors. . In the folding door device with one folding door 10, the size of the gap gathering at one place is small, so the gap adjusting mechanism 23 is provided only on one end side inside the guide rails 4, 5.
May be provided. Further, in the above embodiment, the case where the folding door device of the present invention is applied to a closet door is described. However, the folding door device of the present invention is also applicable to, for example, a partition or the like, in addition to the closet door. .

[0023]

In summary, according to the folding door apparatus of the present invention, inside the guide rail for guiding the support of the folding door,
The guide rail has a regulation portion capable of adjusting the protrusion amount, and the regulation portion regulates the movement of the support body on the end side to regulate the gap between the side portion of the opening and the folding door. Since a gap adjusting mechanism is provided, this gap adjusting mechanism can secure a desired gap between the side portion of the opening and the folding door, so that the gap is not gathered in one place without being exposed to the outside. Can be adjusted to improve the appearance.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a folding door device according to the present invention.

FIG. 2 is a schematic enlarged sectional view taken along line AA of FIG.

FIG. 3 is a schematic enlarged cross-sectional view taken along line BB of FIG.

FIG. 4 is a perspective view of an upper support provided on a folding door.

FIG. 5 is a sectional view showing a gap adjusting mechanism attached to an upper guide rail.

6 is an enlarged cross-sectional view taken along the line CC of FIG.

7 is a cross-sectional view taken along the line DD of FIG.

FIG. 8 is a side sectional view showing a modified example of the regulation mechanism.

FIG. 9 is a side sectional view showing a modification of the regulating mechanism.

FIG. 10 is a side sectional view showing a modification of the regulating mechanism.

FIG. 11 is a side view showing a modification of the regulating mechanism.

FIG. 12 is a schematic plan view for explaining a problem in the conventional folding door device.

[Explanation of symbols]

 1 Opening 4 Upper Guide Rail 5 Lower Guide Rail 8 Door 10 Folding Door 11 Upper Support 12 Lower Support 22 Restricting Part 23 Gap Adjusting Mechanism S Gap

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Shigehisa Nakano 2-1-1 Oshima, Koto-ku, Tokyo Tostem Co., Ltd.

Claims (1)

[Claims] 1. A guide rail provided at an upper portion and a lower portion of an opening and an inner end side of a pair of doors are rotatably connected to each other so as to be foldable, and the guide rail is arranged to be openable and closable in the opening. Or at least one of a plurality of folding doors, and support bodies that are provided on both sides of the upper and lower portions of the folding doors and that support the folding doors by freely moving and folding in the horizontal direction by engaging with the guide rails. Is provided at least on one end side inside the guide rail, and the movement of the support body on the end side is regulated by a regulation portion capable of adjusting the amount of protrusion in the longitudinal direction of the guide rail to regulate the side portion of the opening and the folding door. A folding door device comprising a gap adjusting mechanism for adjusting a gap between the folding door devices.