JPH08284538A - Joint mechanism of interlocked folding door - Google Patents

Abstract

PURPOSE: To promote joint strength with a hinge of adjacent doors and execution efficiency of door mounting work and door mounting position adjusting work in a joint mechanism of interlocked folding doors. CONSTITUTION: In a joint mechanism of folding doors having a plurality of pairs of doors and connecting each pair of doors 11 and 12 to each other in a foldable manner, the doors 11 and 12 are clamped and fixed so as to make it possible to freely move and adjust widthwise of them with a pair of washers 1 and 2 respectively provided to the rears of the inside opposed ends of the doors 11 and 12 in a pair of doors and the outside symmetrical ends used for fixed and adjust screws 5 and 6 coated with the washers 1 and 2, and a pair of hinge main bodies 3 and 4 pivoted on the inside opposed ends each other in a foldable manner are provided. The washers 1 and 2 have interlocking sections 1d and 2d in each of the inside opposed ends, and interlocking projections interlocking in the direction of the thickness of the doors 11 and 12 are projected to the interlocking sections 1d and 2d of the washers 1 and 2 on the inside in the vicinity of each of the inside opposed ends in the hinge main bodies 3 and 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coupling mechanism for interlocking folding doors used for opening and closing a front opening of a storage space in furniture such as a wardrobe and a closet.

[0002]

2. Description of the Related Art The interlocking folding door is provided with a plurality of door pairs a, b, c as shown in the schematic front view of FIG. 6, and each of the door pairs a, b, c is a pair of doors d. , E are connected by a connecting mechanism f (hinge) so that they can be folded with their back surfaces facing each other, and further, the facing ends of two adjacent door pairs a and b, b and c are each door. They are connected by a common center hinge g so that they can be folded when the surfaces of d and e face each other.

Further, the outer doors d and e of the two door pairs a and c at the left and right ends are foldably connected by side hinges h, and the center hinges g ... The main body is engaged with guide rails j and k provided at both upper and lower opening edges of a door mounting body i such as furniture via vertical and horizontal rollers (not shown),
It is configured so that it can be integrally linked by being guided laterally along the guide rails j and k so that the opening of the door mounting body i can be opened and closed.

According to the interlocking folding door as described above, when the door is to be opened, the door is closed from the state shown in FIG. By applying a torque in the opening direction, the door pair a and the subsequent door pairs b and c are sequentially folded and slid in the lateral direction to open the door as shown in FIG. 7B, and vice versa. At the time of trying to close it,
By applying a torque in the closing direction to the door pair a from the door open position of (B) through the handle l, the door pairs c, b and a are successively closed in the order shown in FIG. 7 (A). Will be done.

Conventionally, as a connecting mechanism f for connecting the two doors d, e of each door pair a, b, c so as to be foldable, those shown in FIGS. 4 and 5 are known. . The connecting mechanism f is a pair of washers m, n for attaching the doors d, e of the door pair a ...
And the shaft pin p so that they can be freely folded at the opposite ends.
And a pair of hinge bodies r and s which are pivotally mounted on the washers m and n and are fixed to the doors d and e by fixing and adjusting screws q and q so as to be movable and adjustable in the lateral width direction.

[0006]

However, in the above connecting mechanism, the largest moment acts in the vicinity of the fixing and adjusting screw q when the folding door is opened and closed, and therefore the doors b and c are closed. Although the washers m, n and the hinge bodies r, s are fixed near the inner facing ends of the above by fastening the fixing and adjusting screws q, the washers m, n and the hinge bodies r, s are Each is only fastened by one fixing and adjusting screw q. Therefore, as the folding doors are repeatedly opened and closed, arrows t- in FIG. 5 are provided between the washers m and n and the outer symmetrical ends of the hinge bodies r and s.
Rattling in the direction indicated by u is likely to occur, and as a result,
There is concern about the strength of the fixing / adjusting screw q at the connecting portions of the doors, such as the loosening of the fixing / adjusting screw q, which makes the opening and closing operations of the folding door unsmooth.

In view of such problems of the above-mentioned prior art, the present invention provides a pair of washers attached to the inner facing ends of a pair of doors, with an engaging portion at the inner facing ends. And a pair of hinge bodies pivotally attached to each other at their inner facing end portions so as to be foldable, to form an engagement protrusion, and engage the engagement protrusion with the above-mentioned engagement portion. , By fixing the washer and the hinge body near the outer symmetrical end by fixing and adjusting screws, the connection strength at the connecting parts of the doors is improved, and the door is smooth without rattling. The purpose is to ensure the opening and closing operations and to improve the workability of the door mounting and the mounting position adjusting work.

[0008]

In order to achieve the above-mentioned object, the present invention provides a folding door connecting mechanism which includes a plurality of door pairs and which foldably connects the doors of each door pair. A pair of washers for attaching the doors of the pair of doors to the rear surfaces of the inner facing ends, and an outer symmetrical end of the pair of washers on the pair of washers are movable and adjustable in the lateral direction of the door by a fixing and adjusting screw. And a pair of hinge bodies pivotally attached to each other so as to be foldable at the inner facing ends thereof, the pair of washers being engaged with the respective inner facing ends. The pair of hinge main bodies are provided with engaging projections on the inner surfaces near the respective inner facing end portions and engageable with the engaging portions of the washers in the thickness direction of the door. Interlocking, characterized in that the parts are extended towards their respective outer symmetrical ends We are trying to provide a coupling mechanism of Lito.

[0009]

The pair of washers are fixed to the back surfaces of the inner facing ends of both doors in the pair of doors by the fixing screws. At this time, the pair of washers are long in the lateral width direction of both doors and are fixed so as to face each other. Next, in a pair of hinge bodies pivotally attached so as to be foldable at the inner facing ends, one of the hinge bodies is attached to one of the washers of the pair of washers from the outer symmetrical end side thereof. Of the washer and slide it in the length direction of the washer. As a result, the engaging protrusion of the hinge main body is engaged with the back surface of the engaging portion of the washer, and is fixed and adjusted by preliminarily screwing into the screw hole provided near the outer symmetrical end of the washer. The screw is received in a slot formed in the outer symmetrical end of the hinge body.

Further, by tightening the fixing and adjusting screw, the one washer and the one hinge main body are located at two positions in the length direction thereof, that is, the inner facing end side and the outer symmetrical end side. It will be fixed.

Next, the other washer fixed to the other door is
Inserting from the inner facing end side to the outer symmetrical end side of the other hinge body and sliding them in the lengthwise direction, the engaging portion of the washer engages with the surface of the engaging protruding portion of the hinge body. At the same time as the fitting, the fixing and adjusting screw that was preliminarily screwed into the washer is received in the slot formed at the outer symmetrical end of the hinge body, so by tightening the fixing and adjusting screw. , The washer and hinge body are
The two doors of the pair of doors are foldably connected to each other by being fixed at two places, the inner facing end and the outer symmetrical end in the length direction.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, according to the present invention, FIG. 1 is a plan view showing a partially closed state of a folding door, and FIG. 2 is a sectional view taken along the line AA in FIG. It will be described in detail below with reference to the embodiment of FIG. 3, which is an exploded perspective view of the embodiment.

As shown in the above figure, the connecting mechanism A according to the present invention comprises a pair of washers 1 and 2, a pair of hinge bodies 3 and 4, a pair of fixing and adjusting screws 5 and 6, and one piece. The pivot shaft 7 of FIG.

As shown in FIG. 3, the pair of washers 1 and 2 have front plate portions 1a and 2a, and side plate portions 1b, 1b, 2b and 2b, which are vertically arranged consecutively to the front plate portions 1a and 2a, and have a cross section. The fixed plate portions 1c, 1c, 2c, which are formed in a substantially U shape and are long in the uniaxial direction, and which are symmetrically bent in the up and down direction,
And 2c.

The front plate portions 1a, 2a have engaging portions 1d at their inner facing ends, which are engaged with later-described engagement projecting portions 3e, 4e of the pair of hinge bodies 3, 4. Two
d is formed, and screw holes 1e and 2e are formed in the vicinity of the outer symmetrical end portion on the opposite side of the engaging portions 1d and 2d, and fixing and adjusting screws 5 and 6 are screwed into the screw holes 1e and 2e, respectively. Has been done.

The pair of hinge bodies 3 and 4 are fitted onto the pair of washers 1 and 2 by the front plate portions 3a and 4a and the upper and lower side plate portions 3b, 3b, 4b and 4b. It is externally mountable and has a substantially U-shaped end face so as to be adjustable in movement in the length direction, and is formed long in the uniaxial direction.

The pair of hinge bodies 3 and 4 are provided at the inner facing ends thereof with the brackets 3c and 4c displaced in the vertical direction so as to be inclined and projected forward toward the front, and at the same time, to the front side. At the outer symmetric ends of the face plate portions 3a and 4a,
The long slots 3d and 4d are long in the longitudinal direction, and are formed so as to open at the outer symmetrical ends.

Further, the front plate portion 3 of the hinge bodies 3 and 4 described above.
a, 4a, the above-mentioned engaging projection 3 which is engageable with the above-mentioned engaging portions 1d, 2d on the inner side near the inner facing ends.
e, 4e are formed. These engaging protrusions 3e,
As shown in FIG. 2, the vertical plate portion 4e is bent at a right angle from the inner facing end portions of the front plate portions 3a, 4a to the inside.
f and 4f, and horizontal plate portions 3g and 4g that are bent at right angles from the ends of the vertical plate portions 3f and 4f to the outer symmetrical portion side, and the front surfaces of the horizontal plate portions 3g and 4g. And a distance t between the front plate portions 3a and 4a and the rear surfaces thereof are set to be substantially the same as the plate thickness t'of the engaging portions 1d and 2d of the washers 1 and 2 described above. When the engaging projections 3e, 4e are engaged with each other and the state as shown in FIG. 2 is obtained, rattling in the vertical direction is prevented in the figure.

The pair of hinge main bodies 3 and 4 formed in this way has the bracket 3 protruding from the inner facing ends.
c and 4c are pivotally attached by a pivot 7 such as a stepped pin shown in FIG. 3 so as to be openable and closable via sleeves 8 and 8 and washers 9 and 9. In FIG. 3, 10 is a front plate portion 1a of the pair of washers 1 and 2,
2a shows a non-slip portion engraved on the surface of 2a.

In order to connect the doors 11 and 12 by using the connecting mechanism A configured as described above, first, as shown in FIG. 1
It is fixed to the opposite positions of the inner facing end portions of Nos. 1 and 12 by fixing screws 13.

Next, of the pair of hinge bodies 3 and 4,
When one of the hinge bodies 3 is inserted from the inner facing end side of one of the washers 1 and is slid toward the outer symmetrical end side, the engaging protrusion 1 of the hinge body 3 is engaged with the engaging portion 1d of the washer 1.
As soon as e is engaged, the fixing and adjusting screw 5 is inserted into the slot 3d.
Is screwed in. By tightening the fixing and adjusting screw 5 in this state, the hinge body 3 is fixed to the washer 1 at the outer symmetrical end portion, so that the engagement portion 1d and the engagement protruding portion 3e are engaged with each other. The hinge main body 3 is firmly fixed to the washer 1 at two places in combination with the fixing of the inner facing end portion side by.

Next, the other washer 2 together with the door 12 is moved to the other hinge body 4 side, and the hinge body 4 is fitted into the washer 2 to engage the engaging projection 4e and the engaging portion. Two
d is engaged and the fixing and adjusting screw 6 is inserted into the slot 4d, so that the washer 2 is tightened by tightening the fixing and adjusting screw 6.
The hinge body 4 is fixed to the. As a result, the pair of doors 11 and 12 are connected so as to be freely rotatable for folding.

Further, by loosening the fixing and adjusting screws 5 and 6, the hinge bodies 3 and 4 are moved to the doors 11 and 1 with respect to the washers 1 and 2.
Since it is possible to adjust the movement in the lateral width direction of 2 (left-right direction in FIGS. 1 and 2) within the effective length of the long groove holes 3d and 4d, the doors 11 and 12 face each other inside in this manner. The gap B between the end faces can be adjusted to any size.

[0024]

Since the present invention is constructed as described above, the pair of washers fixed to the back surfaces of the inner facing end portions of the pair of doors and the pair of hinge bodies respectively have inner facing end portions. Near the portion and at two locations near the outer symmetrical end, that is, at both ends in the length direction, the engaging portion and the engaging protruding portion are firmly fixed by the engaging and fixing and adjusting screws, By this, the connection strength can be sufficiently improved,
Rattling is not caused, and the opening and closing operations of the folding door can be smoothly performed for a long period of time.

Further, the engaging portion and the engaging protruding portion can be easily engaged by the relative slide of the washer and the hinge body, and the fixing and adjusting screw is used when adjusting the mounting position of the door. Even if it is loosened, the engagement between the engaging portion and the engaging protruding portion does not come off, and the fixing and adjusting screws are 2 in total.
Since it is only a book, its workability is improved in terms of door mounting position adjustment and door mounting work, and since the structure is simple, it can be provided at low cost.

[Brief description of drawings]

FIG. 1 is a plan view of a door connecting state showing an embodiment of a connecting mechanism of an interlocking folding door according to the present invention.

FIG. 2 is a sectional view taken along the line AA in FIG.

FIG. 3 is an exploded perspective view of the embodiment.

FIG. 4 is a plan view showing a conventional folding door connecting mechanism in a door attached state.

5 is a sectional view taken along the line BB in FIG.

FIG. 6 is a schematic front view showing a closed state of an interlocking folding door.

FIG. 7 shows an interlocking folding door, (A) is a schematic plan view in a closed state, and (B) is a schematic plan view in an open state.

[Explanation of symbols]

 1 Washer 1d Engagement Part 2 Washer 2d Engagement Part 3 Hinge Body 4 Hinge Body 3e Engagement Projection Part 4e Engagement Projection Part 5 Fixing / Adjusting Screw 6 Fixing / Adjusting Screw 11 Door 12 Door

Claims (1)

[Claims] 1. A folding door connecting mechanism comprising a plurality of door pairs, the doors of each door pair being foldably connected to each other, wherein the doors of the door pair are attached to the back surfaces of the inner facing end portions, respectively. Of the washer and the pair of washers, the outer symmetrical ends are fixed in a stacking state so that the outer symmetrical ends can be moved and adjusted in the lateral direction of the door by the fixing and adjusting screws, and can be folded at the inner opposite ends. A pair of hinge bodies pivotally attached to each other, the pair of washers being provided with engaging portions at respective inner facing end portions, and the pair of hinge bodies being provided with respective inner facing end portions. Engaging projections, which are on the inner surface side near and can be engaged with the engaging parts of the washers in the thickness direction of the door, extend toward the respective outer symmetrical ends. The interlocking folding door connection mechanism.