JP3138907B2 - Interlocking folding door folding hinge - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art FIGS.
(A) As shown in the schematic diagram of (B), a plurality of door pairs a, b,
c, these door pairs a, b, and c are connected by a folding hinge f so that the pair of doors d and e can be folded with their back surfaces facing each other. a and b and b and c are pivotally connected to a common traveling body g # via a center hinge (not shown). Further, outer doors d and e of the left and right side door pairs a and c are respectively pivotally connected to the traveling bodies h and h via known side hinges (not shown), and the traveling bodies g, g, h, and h is guided by the guide rails j and k attached to the upper and lower opening edges of the door attachment body i such as furniture so as to be able to travel freely, whereby a plurality of door pairs a, b and c are formed. The opening l of the door mounting body i can be opened and closed in an integrated manner.

In such an interlocking folding door, each pair of doors a, b, and c is attached to each of the traveling bodies g and h via both center and side hinges (not shown). h is engaged with the guide rails j and k,
Since this is practically impossible or extremely difficult work, only the traveling bodies g and h are engaged with the guide rails j and k in advance, and in this state, each door pair a, b, and c is Attached directly to the traveling bodies g and h, or each door pair a,
The doors d, e of b, c are connected to the traveling bodies g, h engaged with the guide rails j, k via hinges (not shown) previously attached to the doors d, e. b and c are attached.

However, according to the above-described method of mounting the pair of doors, the doors d and e are mounted in a state where the respective door pairs a, b and c pivotally connected to each other by the folding hinge f are supported. Therefore, the workability of attaching to the traveling bodies g and h is poor, and the work itself is very troublesome and troublesome and inefficient. In addition, there is a danger particularly in a large and heavy door. Will be.

Therefore, the doors d, d of the door pairs a, b, c are attached to the traveling bodies g, h which have been engaged with the guide rails j, k in advance.
A folding hinge has been proposed in which the doors d and e are connected in a foldable manner after pivotally attaching e.

The folding hinge is:
As shown in FIGS. 9 to 12, a pair of washers m and n, which are separate bodies, and a pair of hinge bodies o pivotally connected to each other by a shaft pin SP so as to be foldable at opposite ends.
p, and the pair of washers m and n are previously set to the respective doors d and e.
Is fixed to the back surface of the opposite end portion with a screw or the like (not shown), and a pair of hinge bodies o, p are fixed to the washers m, n by fixing and adjusting screws q ‥‥‥, so that each door pair a, Each of the washers m and n of b and c is pivotally attached so as to be freely foldable.

[0007]

However, when the above-mentioned various folding hinges are used, a fixing / adjusting screw q is temporarily screwed to the washers m and n in advance, and the fixing / adjusting screw q is attached to the hinge body o. , P are inserted into the screw insertion hole r having a keyhole shape, the doors d and e are shifted in the lateral width direction, and then the fixing and adjusting screws q are screwed on to fold the doors d and e. It can be freely attached. In the state where the doors d and e are attached, the fixing and adjusting screw q is loosened, and then the doors d and e are shifted in the lateral width direction. Further, the doors d and e are moved in the front-rear direction (plate thickness direction). The doors d and e must be removed by moving and separating the washers m and n and the hinge bodies o and p.

As described above, to attach and detach the doors d and e,
Screwing operation of the fixing and adjusting screw q by a tool and FIG.
Since the operation of moving the door in the direction of the arrow s @ t shown in FIG. 12 is necessary, the workability is poor, and the work itself is troublesome and troublesome, and is inefficient.

The present invention has been made in view of the above-mentioned problems of the prior art, and is constructed integrally with a pair of separate washers at the opposite ends so as to be freely foldable and pivotable. In order to make the pair of hinge bodies freely detachable from each other, a slide plate and a push button that urges the spring force in the pushing direction are arranged on each of the washers, so that a pair of each A pair of hinge bodies are slid on a pair of washers in a state where the doors are fixed to the back surface of the side end portion, and the side end portions of each door are faced, or the side surface of the door is faced. By inserting the pair of doors into the plate, the pair of doors can be pivoted easily and quickly, and by simply inserting the push button against the spring force, the pivoting of the pair of doors can be performed. Simple, quick solution And possible way, the mounting of the door pairs for running body described above, upon removal, to try to improve the workability, it is its purpose.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is a folding hinge of an interlocking folding door comprising a plurality of door pairs and connecting the doors of the respective door pairs in a freely foldable manner. A pair of hinge bodies pivotally attached to each other at opposite ends, doors of each door pair, washers respectively attached to the back surface of the opposite side end, and a door inside each washer. A pair of hinge bodies that are screw-fixed so as to be movable and adjustable in the lateral width direction, wherein the pair of hinge bodies are on the back side, and a pair of upper and lower side surfaces of a concave groove formed in the length direction are provided. An engaging groove is formed to be long in the lateral width direction of the door, and a locking hole into which a push button is engaged is formed in the insertion front wall of the groove in a direction perpendicular to the groove. On the other hand, the pair of slide plates have upper and lower side walls. At the rear end of the door, a pair of engaging ridges are formed so as to be long in the width direction of the door, and are formed so as to be able to be inserted into and removed from each of the engaging grooves, and the push button is provided in the slide plate. Is slidably accommodated in the thickness direction of the door by a predetermined stroke, and a biasing spring is provided in a direction in which the push button is engaged with the locking hole so as to be freely disengaged. It seeks to provide a featured interlocking folding door hinge.

[0011]

The two doors are fixed on the back surface at the side ends to be pivotally attached to the upper and lower portions with set screws in the upper and lower portions, respectively, with the cup-shaped washers embedded therein, and the two doors are fixed to the side ends. The parts are held in a straight line at appropriate intervals with the parts facing each other, and a pair of separately integrated hinge bodies are moved in the direction of one washer from between the two doors, and a pair of upper and lower A pair of engaging concave grooves on one hinge body are fitted and inserted from the front end opening into the joint ridge, and are inserted by a predetermined stroke. The free end opening edge of the push button and the free end opening edge of the hinge body abut against the free end opening edge of the main body, respectively, and are inclined in the same direction,
Alternatively, the push button is pushed into the washer against the spring force by sliding against each other due to the pushing force due to the curved shape. As a result, the hinge body is further inserted into the slide plate, and when the insertion end is reached, the locking hole formed in the hinge body matches the push button, and the push button is pushed out by the spring force. Thus, the one hinge main body is prevented from coming off with respect to the one washer by being locked by the locking hole. Thereby, the one door and the one hinge main body are connected and fixed.

Then, by pushing the slide plate of the other washer into the other hinge body, the other hinge body and the other door are moved via the washer, the slide plate and the push button in the same manner as described above. As a result, the pair of doors are pivotally attached so as to be freely foldable.

[0013] Further, the pair of doors are held in a parallel state at an appropriate interval with their back surfaces facing each other, and the pair of hinge bodies are folded toward the slide plate of the pair of washers from between the two doors in a folded state. By pushing it in,
In the same manner as described above, the pair of doors can be pivotally attached so as to be freely foldable at a time.

As described above, with the pair of doors pivotally attached, the push button is pushed into the washer against the spring force, and in this state a force is applied to the hinge body in the pull-out direction. And, the push button comes off the locking hole,
The lock between the hinge body and the slide plate is released, and the pair of doors can be released from the pivotally attached state.

[0015]

FIG. 1 is a sectional view showing a state in which one hinge of a pair of hinge bodies and one door of a pair of doors are fixed, and FIG. FIG. 2 is a cross-sectional view, FIG. 3 is a rear view showing a state in which a pair of doors are pivoted, FIG. 4 is a plan view showing a state in which a pair of doors are pivoted, and FIG. This will be described in detail with reference to FIG. 5 which is a cross-sectional view taken along the line A of FIG. 5 and FIG.

As shown in FIGS. 1 to 5, a pair of hinge bodies 1, 2 and a pair of washers 3, 4 are provided.
, A pair of push buttons 7 and 8 attached to the slide plates 5 and 6, and a pair of springs 9 and 10 for pressing and moving the push buttons in one direction. ing.

The pair of hinge bodies 1 and 2 are formed to be long in the width direction of the pair of doors 11 and 12 (the left and right directions in FIGS. 1 to 4), and from opposite ends thereof, as clearly shown in FIG. Bracket 1 projecting vertically
3, 14 are pivotally connected by a pin 15 so that the upper surface in the drawing can be folded inward from the horizontal position on the straight line shown in FIGS. .

The above-mentioned pair of hinge bodies 1 and 2 are provided with a concave groove 16 at the center in the width direction on the back surface (the lower surface in FIG. 1).
5 is elongated in the length direction, and is open and recessed at a free end as shown in FIG. 5. A pair of engaging grooves 17 is provided on both left and right side surfaces at the bottom of the groove 16. 17 are engraved so as to face each other long in the length direction.

Further, an insertion hole 20 in which a tool such as a screwdriver for screwing a fixing screw 19 to be described later can be used is provided in the front wall 18 for inserting the concave groove 16 in the pair of hinge bodies 1 and 2. , A flat rectangular locking hole 21 in which the pair of push buttons 7 and 8 are removably fitted.
Are provided so as to communicate with the groove 16 at a certain interval in the longitudinal direction.

At the opening edge of the free end of the above-mentioned groove 16, an inclined surface 16 a curved to the lower side in FIGS. 1 and 2 is provided.
As described later in detail, the push buttons 7 and 8 are easily pushed in so that the push buttons 7 and 8 can be inserted into the concave groove 16 and the periphery of the opening edge of the locking hole 21 is substantially planar. By forming a concave portion 21a by cutting in an arc shape, and by pushing in the push buttons 7, 8 by this,
These are easily pushed into the slide plates 5 and 6.

The pair of washers 3 and 4 are formed in a substantially cup shape, are embedded in recesses 11a and 12a formed on the back surfaces of the ends of the pair of doors 11 and 12, and are fixed by screws 22 ‥‥‥. The pair of doors 11 and 12 are attached.

As shown in FIG. 5, the pair of slide plates 5, 6 have bottom walls 5a, 6a and upper and lower side walls 5a, 6a.
b, 5b, 6b, 6b to form a substantially U-shaped cross section, and the concave grooves 16, 16 in the pair of hinge bodies 1, 2 described above.
The pair of hinge bodies are formed so as to be slidably fitted in the width direction of the pair of doors 11 and 12 at the rear ends of the upper and lower side walls 5b, 5b, 6b and 6b. A pair of concave grooves 17 for engagement in 1 and 2
A pair of engaging ridges 5c, 5
c, 6c, 6c are symmetrically protruded so as to be slidably engageable in the width direction of the doors 11, 12.

The pair of slide plates 5 and 6 described above
Are on the upper and lower side walls 5b, 5b, 6b, 6b,
A pair of guide slots 24 vertically extending in the recesses 3a, 4a of the pair of washers 3, 4 are inserted into a pair of guide slots 23, 23 which penetrate the doors 11, 12 in the width direction. Is inserted so as to be movable by a predetermined stroke in the width direction of the doors 11 and 12, and the bottom walls 5a and 6a of the slide plates 5 and 6 are arranged.
The recesses 3 of the washers 3, 4 are movable by the fixing screws 19 inserted in the mounting long holes 25 formed in the doors 11, 12 in the width direction so as to be movable in the above-mentioned directions.
a, 4a.

The pair of push buttons 7 and 8 are formed in a substantially rectangular column shape, and the pair of slide plates 5 and 6 are formed.
Are slidably fitted in rectangular guide holes 26 penetrating through the bottom walls 5a, 6a, and the push buttons 7, 8 and the bottom walls 3b, 4b of the washers 3, 4 described above. By the ridges 9 and 10 interposed between the pair of slide plates 5 and 6, the slide plates 5 and 6 are urged to be pushed outward from inside, that is, inward of the pair of doors 11 and 12.

Further, the pair of push buttons 7, 8
Is formed with a guide hole 27 that is long in the length direction and penetrates in the vertical direction, and the guide hole 27 is provided with upper and lower side walls 5b, 5b, 6b, 6b of the pair of slide plates 5, 6.
A guide pin 28 is inserted between the guide pins. As a result, the pair of push buttons 7 and 8 usually
The tips 7a and 8a are provided with the pair of hinge bodies 1,
The doors 11, 2 from the rear ends of the pair of slide plates 5, 6 by a predetermined size that can be engaged with the locking holes 21
In a state of protruding inward from the inner side 12, it is held against the spring force.

Further, the pair of push buttons 7, 8
The tips 7a and 8a are bent in an arc shape, and as shown in FIG. 6, when the pair of hinge bodies 1 and 2 and the pair of slide plates 5 and 6 are pushed toward each other, the concave grooves are formed. The opening edge of the free end such as the inclined surface 16a of 16 and the tips 7a and 8a of the arc surface slide by the pushing force, and the pair of push buttons 7 and 8 are retracted against the spring force. Accordingly, the engagement and locking of the pair of hinge bodies 1 and 2 and the pair of slide plates 5 and 6 are performed quickly and easily. Then, as shown in FIG. 2, the pair of locking holes 21, 21 and the pair of push buttons 7, 8 are fitted and locked, and the pair of , 8 are pushed into the pair of washers 3, 4 against the spring force, and in this state, a pair of hinge bodies 1, 2 is provided with a pair of doors 11, 12 with a pulling-out force in opposite directions. The locked state between the locking holes 21, 21 and the push buttons 7, 8 is easily released.

[0027]

Since the present invention is constructed as described above, a pair of washers are respectively fixed to the back surfaces of the side end portions of the pair of doors, and the back surfaces of the doors face each other. In this state, a pair of hinge bodies that are integral with each other are pushed in from both doors to engage with a pair of slide plates fixed to a pair of washers, and a pair of slides are inserted into locking holes in the pair of hinge bodies. Lock the push button on the plate or, for a pair of hinge bodies,
By pushing in a pair of slide plates from both sides, a pair of doors can be pivotally connected by locking a pair of hinge buttons and a pair of front push buttons. After releasing the lock with the locking hole by pushing the push button of the above, the pair of doors can be released by pulling out the pair of slide plates with respect to the pair of hinge bodies. Release and
It can be performed easily, quickly and with good workability without using any tools.

Further, since the locking between the locking holes in the pair of hinge bodies and the pair of push buttons is ensured only by the spring force, the door is not loosened like a screw, and the door is pivotally mounted. The state can be further stabilized, and the reliability is improved. Therefore, by employing the folding hinge of the present invention, it is possible to increase the efficiency of the work of attaching the door pair to the traveling body in the interlocking folding door.

[Brief description of the drawings]

FIG. 1 is a cross-sectional plan view showing a state before one door is attached in an embodiment of a folding hinge of an interlocking folding door according to the present invention.

FIG. 2 is a cross-sectional plan view in a use state of the embodiment.

FIG. 3 is a partial rear view in a use state of the embodiment.

FIG. 4 is a partial plan view of the embodiment in use.

FIG. 5 is a sectional view taken along line AA in FIG. 2;

FIG. 6 is a cross-sectional plan view showing an example of a door mounted state of the embodiment.

FIG. 7 is a schematic front view of the interlocking folding door in a closed state.

8A and 8B show the same interlocking folding door, wherein FIG. 8A is a schematic plan view in a closed state, and FIG. 8B is a schematic plan view in an open state.

FIG. 9 is a rear view showing a folding hinge of a conventional interlocking folding door in a used state.

FIG. 10 is a sectional view taken along line BB of FIG. 9;

FIG. 11 is a rear view showing a use state of another conventional example of a folding hinge of an interlocking folding door.

FIG. 12 is a sectional view taken along line CC of FIG. 11;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hinge main body 2 Hinge main body 3 Washer 4 Washer 5 Slide plate 5b Side wall 5c Engagement ridge 6 Slide plate 6b Side wall 6c Engagement ridge 7 Push button 8 Push button 9 Trigger 10 Trigger 11 Door 12 Door 16 Concave groove 17 Joint groove 18 Insert front wall 21 Lock hole

Claims (1)

(57) [Claims] 1. A folding hinge for an interlocking folding door having a plurality of door pairs and connecting the doors of the respective door pairs in a foldable manner, wherein the pair of hinge bodies are pivotally hinged at opposite ends. And each washer, which is attached to the rear surface of the opposite end of the door at the door of each door pair, and within each washer, each slide plate screw-fixed so as to be movable and adjustable in the width direction of the door. The pair of hinge bodies are provided on the rear surface side thereof, and a pair of engaging concave grooves are formed on both upper and lower side surfaces of the concave groove formed in the longitudinal direction so as to be long in the lateral width direction of the door. At the same time, a locking hole for engaging with a push button is provided in the front wall of the insertion of the concave groove at right angles to the concave groove, while the pair of slide plates are provided on the upper and lower side walls. At the end, a pair of engaging ridges are long in the width direction of the door, The push button is housed in the slide plate so as to be freely slidable by a predetermined stroke in the thickness direction of the door. A folding hinge for an interlocking folding door, wherein a biasing spring is provided in a direction in which the push button is engaged with the locking hole so as to be detachable.