JP2596098Y2 - 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 used for an interlocking folding door having a plurality of door pairs and for pivotally connecting the doors of the door pairs to each other.

[0002]

2. Description of the Related Art An interlocking folding door is used, for example, in a storage space for furniture such as a clothes wardrobe, a closet and the like to open and close a front opening thereof.
6A and 6B, a plurality of door pairs a, b, and c are provided, and each door pair a, b, and c includes two doors d,
d 'is hinged by a folding hinge e # so as to be freely foldable, and a so-called center hinge (not shown) is mounted on a common traveling body f # with two adjacent door pairs a, b, b and c. Has been pivoted through. Further, the outer doors d and d 'of the door pairs a and c at both left and right ends are respectively pivotally connected to the traveling bodies g and g by known side hinges (not shown). g
Are engaged with guide rails k and l provided along upper and lower opening edges i and j of a door mounting body h such as a cabinet, and are guided so as to be able to travel freely.
It is configured such that b and c can be opened and closed in an integrated manner.

In such an interlocking folding door, each pair of doors a, b, c is attached to each of the traveling bodies j, g via the center and the side hinge, and the respective traveling bodies f, g are connected.
To engage with the guide rails k and l, this is practically impossible work.
g is engaged with the guide rails k, l, and in this state, each door pair a, b, c is pivotally mounted directly on the traveling body f, g, or each door pair a, b, c Each door d ‥‥‥,
d '#, via a hinge (not shown) which is attached in advance, to the traveling bodies f, g engaged with the guide rails k, l, or the door pair a, b, c Is to be installed.

[0004]

However, according to the above-described method of mounting the pair of doors, each of the pair of doors a, b, c formed by pivotally connecting the doors d, d 'to each other by the folding hinge e is grasped. Since it is attached while holding it, the workability of attaching to the traveling bodies f and g is poor, and the work itself is very troublesome, time-consuming and inefficient, as well as particularly large and heavy. There is a danger in the door.

In view of the above-mentioned problems of the prior art, the present invention makes it possible to disengage a pair of hinge bodies formed integrally with a pair of mounting plates which are separate bodies. Therefore, by pivotally attaching a pair of detachable levers to each hinge body, a pair of mounting plates are fixed in advance to the rear end portions of the pair of doors, and the rear surfaces of the doors are opposed to each other. By inserting a pair of hinge bodies into each mounting plate from between the doors and rotating the detachable lever, the pair of doors can be pivoted easily and quickly, and the detachable lever can be turned in the opposite direction to the above. By pivoting and pulling out the pair of hinge bodies toward the front, the pivotal connection of the pair of doors can be easily and quickly released again, so that the door pair can be attached to the traveling body. Then, to try to improve its workability, it is its purpose.

According to a second aspect of the present invention, the pair of detachable levers according to the first aspect are rotated by a spring so that the engaging portions at the distal ends thereof are engaged with the engaging projections of the pair of mounting plates. By making the front end of the locking projection and the front end of the locking portion inclined from the inside of the front end to the outside of the front end, the pivoting operation of the pair of doors is made simpler and more reliable. Trying to.

[0007]

In order to achieve the above object, according to the present invention, a plurality of door pairs whose base ends are pivotally attached to a traveling body guided along a guide rail are provided. A folding hinge of an interlocking folding door which hinges the front ends of two doors of the door pair so as to be freely foldable, wherein a fitting portion to be engaged by a groove or the like is symmetrical in the longitudinal direction on both upper and lower surfaces. And a locking projection is formed on one side of the upper surface or the lower surface substantially at one side of the intermediate portion to be formed in the same shape. And a pair of mounting plates fixed to face each other upside down, and a pair of engaging ridges and the like which can be inserted from the front into the engaged portions of the pair of mounting plates on the outside. The fitting part is long facing in the front-back direction A pair of hinge bodies, which are provided side by side and are pivotally supported via a support shaft so as to be openable and closable, and a locking portion which is capable of locking with a locking projection of the mounting plate is formed outside each of the distal ends, and A pair of pivotally supported pivotally symmetrically on both upper and lower surfaces of the pair of hinge bodies so that their respective base ends protrude forward from the base ends of the pair of hinge bodies. And a folding hinge for an interlocking folding door, characterized in that the folding hinge is provided.

Further, according to the present invention, the base end has a plurality of door pairs pivotally attached to a traveling body guided along the guide rail, and the front ends of the two doors of the pair of doors are folded. This is a folding hinge of an interlocking folding door that hinges freely, and has a symmetrically recessed portion to be engaged by a groove or the like in the longitudinal direction of the upper and lower surfaces, and a substantially middle portion of an upper surface or a lower surface. A pair of mountings, which are formed in the same shape by protruding locking projections on the sides and are fixed on the back surfaces of both doors of the door pair in such a manner that they are horizontally opposed in the horizontal width direction of the doors and upside down. A plate and a pair of engaging ridges or the like, which can be inserted from the front with respect to the engaged portion of the pair of mounting plates, are provided on the outside of each of the pair of mounting plates so as to face each other long in the front-rear direction. A pivot that can be opened and closed freely via a pivot A pair of hinge bodies, and a locking portion capable of locking with the locking projection of the mounting plate is formed at the outer side of the distal end, and each base end is located forward of the base end of the pair of hinge bodies. A substantially middle portion is symmetrically and rotatably supported on both upper and lower surfaces of a pair of hinge bodies by a support shaft so as to protrude in a direction in which the locking portion locks with each locking projection. A pair of detachable levers that are rotationally biased by a spring, wherein the front ends of the locking projections on the pair of mounting plates and the front ends of the locking portions of the pair of detachable levers move from inside the front end to outside the front end. An object of the present invention is to provide a folding hinge for an interlocking folding door, wherein the folding hinge is formed by an inclined surface.

[0009]

According to the first aspect of the present invention, a pair of mounting plates are fixed to the upper and lower portions of the back surface at the ends of the two doors to be pivotally connected, which are long in the front-rear direction and vertically opposed, and are horizontally opposed. , The two doors are held at appropriate intervals with their back surfaces facing each other, and a pair of integrally formed hinge bodies are inserted from between the two doors toward a pair of mounting plates, and a pair of upper and lower The abutment strip is inserted into the pair of upper and lower concave grooves of the mounting plate from the front end opening, and at the insertion end, a pair of detachable levers are turned in a symmetrical direction, and each locking part is connected to a pair of mountings. The pair of hinge main bodies are locked to the locking projections protruding from the plates to prevent the pair of hinge bodies from coming out of the pair of mounting plates. As a result, the pair of doors are hinged so as to be freely foldable.

Further, according to the present invention, when each of the engaging projections of the pair of hinge bodies is inserted into the concave groove of the pair of mounting plates, the pair of hinges is biased by a spring. The inclined surface at the front end of the locking portion of the detachable lever abuts against the inclined surface at the front end of the engaging projection projecting from the mounting plate, but the two inclined surfaces slide due to the insertion force of the hinge body, and the distal end of the detachable lever, that is, The locking portion side is pressed and rotated inward against the spring force, whereby the hinge body is inserted into a predetermined position with respect to the pair of mounting plates, and the contact between the two inclined surfaces is released at the same time. The pair of attachment / detachment levers pivot outward and return outward due to the spring force, and their locking portions are locked by the locking projections of the mounting plate.

Accordingly, the locked state between the locking portion and the locking projection is held by the spring force, and the locked state is maintained unless the detachable lever is rotated against the spring force. Thus, the pair of mounting plates and the pair of hinges can be more reliably fixed. Further, the pair of mounting / removing levers are rotated by gripping the base ends thereof, and the locking portion is released from the locking portion, and then the hinge body is pulled out toward the user. Is released, and the hinges of the pair of doors can be released.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described with reference to the embodiments shown in FIGS. 1 and 2. First, a pair of separately formed mounting plates 1, 2 and a pair of integrally formed hinge bodies 3, 4 will be described. And a pair of detachable levers 5 and 6 attached to the hinge bodies 3 and 4.

The pair of mounting plates 1 and 2
Is formed in a prism shape that is long in the front-rear direction, and its upper surface 1a,
2a and lower surfaces 1b and 2b are engaged portions 1 by concave grooves or the like.
c, 2c, 1c, and 2c are open at the front end and the rear end, are long in the length direction, and are recessed at vertically symmetric positions. In the illustrated example, the upper surface 1a and the lower surface 2b have A locking projection 7 having a locking surface 7a standing rearward on one side of the substantially middle portion is integrally provided.

That is, the pair of mounting plates 1 and 2 are formed in the same shape, are turned upside down, and are attached to one end in the width direction of the two doors 8 and 9 to be pivoted. It is fixed to the upper and lower back surfaces at opposite positions by screws 10 and 10 ° so as to be long in the front-rear direction and horizontal. As a result, as described above, the locking projections 7 project from the upper surface 1a of one mounting plate 1 and the lower surface 2b of the other mounting plate 2.

On the other hand, as shown in FIG. 3, the pair of hinge bodies 3 and 4 have a substantially outwardly concave cross section, are formed long in the front-rear direction, and each opening is symmetrical outwardly. At the top and bottom of the rim, engagement portions 3a, 3b by engagement ridges
4a and 4b are the pair of mounting plates 1,
2, the engaged portions 1c, 1c, 2 formed by the pair of concave grooves
c, 2c, it is long in the front-rear direction and protrudes so as to be slidable in the front-rear direction. Here, it is obvious that the male-female relationship between the engagement portion and the engaged portion may be reversed from the illustrated example. The pair of hinge bodies 3, 4 are integrally supported by a vertical support shaft 11 with their base ends 3c, 4c vertically overlapped so as to be rotatable in the horizontal direction on a plane.

Further, the pair of detachable levers 5 and 6 are formed to be long in the front-rear direction by a band-shaped metal plate or the like, and the outer ends of the pair of detachable levers 5 and 6 are substantially perpendicular to the longitudinal direction of the detachable levers 5 and 6. An engaging portion 12 having an engaging surface 12a is integrally formed, and the pair of detachable levers 5 and 6 are formed in the same shape.

When the pair of detachable levers 5 and 6 are turned upside down, they are located on the pair of hinge bodies 3 and 4.
The intermediate portion is supported by a support shaft 13 in a state of being superposed on the upper surface of one hinge body 3 and the lower surface of the other hinge body 4, so as to be rotatable left and right on a plane, and The locking portions 12 are arranged so that the locking surfaces 12a of the locking portions 12 face outward.

In the pair of detachable levers 5, 6, the locking surfaces 12a, 12a of the locking portions 12, 12 are arranged so that the locking projections 7, 7 of the pair of mounting plates 1, 2 are engaged. The pair of hinge bodies 3 and 4 described above are arranged such that the locking portions 12 and 12 are directed forward so as to be able to lock with the stop surfaces 7a and 7a, and the base ends 5a and 6a are rotatable. Are protruded from the base ends 3c and 4c to the near side and are pivotally supported.

Here, the pair of detachable levers 5, 6 do not naturally rotate with respect to the pair of hinge bodies 3, 4 due to the opening and closing operations of the doors 8, 9 and can be manually operated. As a result, the locking portion 12 and the locking protrusion 7 are maintained in a locked state.

The above-mentioned pair of detachable levers 5, 6 are pivotally operated with their base ends 5a, 6a outward, so that the locking portions 12, 12 at the distal ends are pivoted inwardly. However, as shown in FIG. 4, the bases of the detachable levers 5 and 6 can also be bent and intersected in a substantially semi-crankshaft shape in a plane. By gripping the ends 5a, 6a from the outside with, for example, a thumb and an index finger, the locking portions 12, 12 at each end can be turned inward, and the operability of the detachable levers 5, 6 can be further improved. Can be better.

Further, in the present invention, springs 15 are respectively provided on the support shafts 14 of the pair of detachable levers 5 and 6, and one end 15 a of the spring 15 is attached to the detachable lever 5.
6, the other end 15b is locked to the pair of hinge bodies 3 and 4, respectively, whereby the detachable levers 5 and 6 are pivotally symmetrically pivoted outward by the springs 15. It is urged to rotate.

Further, the front ends of the locking projections 7 and 7 on the pair of mounting plates 1 and 2 and the tips of the locking portions 12 and 12 on the detachable levers 5 and 6 are located on the locking projections 7 and 7. Are inclined from the inside of the rear end to the outside of the front end, while the locking portions 12, 12 are formed by inclined surfaces 7b, 12b inclined from the inside of the front end to the outside of the front end. By inserting the pair of hinge bodies 3 and 4 into the pair of mounting plates 1 and 2, the two inclined surfaces 7 b and 12 b abut against each other and slide with each other, and the hinge bodies 3 and 4 are inserted by the insertion force. The detachable levers 5 and 6 are pivotally moved inward, and the inclined surfaces 7b and 12b are disengaged. At the same time, the detachable levers 5 and 6 are pivoted outward and returned. The stop projection 7 and the locking portion 12 are locked.

FIG. 2 is a plan view in which a part of the interlocking folding door device is cut away, and a plurality of door pairs 16 and 1 comprising two doors 8 and 9 are shown.
6 ‥‥‥, and each of the door pairs 16 and 16 ‥‥‥ are provided with an upper guide rail 17 provided along an opening edge of a front opening portion of a door mounting body (not shown) such as a cabinet, and a lower guide rail (not shown). The required number of side traveling bodies 18 and center traveling bodies 19 are hung freely along the
These traveling bodies include a pair of vertical rollers 18a, 18a,
19a, 19a and a pair of horizontal rollers 18b, 18b, 1
9b and 19b are provided.

The hanging sides of the doors 9 and 8 inside the adjacent door pairs 16 and 16 are located on the left and right sides of the center traveling body 19.
The door 8 is pivoted by the center hinges 20, 20 while the door 8 outside each door pair 16, 16 is
8 by a side hinge 21.

In order to use the folding hinge having the above configuration, it is needless to say that before the pair of doors 8 and 9 are attached to the side running body 18 and the center running body 19 by the side hinge 21 and the center hinge 20, respectively, FIG. As shown in the above, even after the doors 8 and 9 are attached, the door pair 16 can be freely folded simply by inserting the hinge bodies 3 and 4 between the doors 8 and 9 toward the pair of mounting plates 1 and 2. You will be able to pivot.

[0026]

Since the present invention is constructed as described above, according to the first aspect, a pair of mounting plates are horizontally fixed to the rear end portions of the pair of doors, respectively. With the rear surfaces of the doors facing each other, a pair of hinge bodies 3 and 4 that are integral with each other are inserted from between the two doors, inserted into a pair of mounting plates, and a locking portion by a detachable lever is mounted on the mounting plate. With a simple operation that only locks with the locking protrusion of the door, and releases the lock and pulls out the hinge body, the hinged pair of doors and their release can be easily and quickly performed with good workability. It becomes possible.

Further, according to the second aspect of the present invention, the doors can be pivotally connected to each other more easily by simply inserting each hinge body into each mounting plate without operating the detachable lever. In addition, since the locking of the locking portion with respect to the locking projection is secured by the spring force, the hinged state of the door can be further stabilized, and therefore, by adopting the folding hinge of the present invention, in the interlocking folding door, The operation of attaching the door pair to the traveling body can be performed simply and efficiently.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a folding hinge of an interlocking folding door according to the present invention in a state before attachment of the embodiment.

FIG. 2 is a plan view showing a use state of the embodiment with a part cut away.

FIG. 3 is a sectional view taken along line AA 'in FIG.

FIG. 4 is a plan view showing another embodiment of the folding hinge.

FIG. 5 is a schematic front view of the interlocking folding door in a closed state.

6A and 6B show the same interlocking folding door, wherein FIG. 6A is a schematic plan view in a closed state, and FIG. 6B is a schematic plan view in an open state.

DESCRIPTION OF SYMBOLS 1 Mounting plate 2 Mounting plate 1c Engagement part 2c Engagement part 3 Hinge body 4 Hinge body 3a Engagement part 3b Engagement part 4a Engagement part 4b Engagement part 5 Detachable lever 6 Detachable lever 7 Locking projection 7b Inclined surface 12b Inclined surface 8 Door 9 Door 11 Support shaft 14 Support shaft 12 Locking portion 15 Spring 16 Door pair 17 Guide rail 18 Running body 19 Running body

Claims (2)

(57) [Scope of request for utility model registration] A base end has a plurality of door pairs pivotally connected to a traveling body guided along a guide rail, and the front ends of two doors of the pair of doors are hinged so as to be freely foldable. A folding hinge of an interlocking folding door that has a symmetrically recessed engaging portion such as a concave groove in the front and rear longitudinal direction of both upper and lower surfaces, and is locked to one side of a substantially middle portion of an upper surface or a lower surface. A pair of mounting plates, each having a projection formed on the back surface of both doors of the door pair and being fixed horizontally and in opposite directions in the width direction of the door, respectively, On the outside, a pair of engaging portions, such as a pair of engaging ridges, which can be inserted from the front with respect to the engaged portion of the pair of mounting plates, are long and opposed to each other in the front-rear direction, and the base ends via a support shaft. A pair of hinges that are pivotally supported The main body, and a locking portion that can be locked to the locking projection of the mounting plate is formed on the outer side of the distal end, and each base end projects forward from the base end of the pair of hinge bodies. A folding hinge for an interlocking folding door, comprising a pair of detachable levers whose substantially middle portions are symmetrically and rotatably supported on upper and lower surfaces of a pair of hinge bodies by support shafts. 2. A base end having a plurality of door pairs pivotally attached to a traveling body guided along a guide rail, wherein the front ends of two doors of the pair of doors are hinged so as to be freely foldable. A folding hinge of an interlocking folding door that has a symmetrically recessed engaging portion such as a concave groove in the front and rear longitudinal direction of both upper and lower surfaces, and is locked to one side of a substantially middle portion of an upper surface or a lower surface. A pair of mounting plates, each having a projection formed on the back surface of both doors of the door pair and being fixed horizontally and in opposite directions in the width direction of the door, respectively, On the outside, a pair of engaging portions, such as a pair of engaging ridges, which can be inserted from the front with respect to the engaged portion of the pair of mounting plates, are long and opposed to each other in the front-rear direction, and the base ends via a support shaft. A pair of hinges that are pivotally supported The main body and a locking portion that can be locked with the locking projection of the mounting plate are formed on the outer sides of the distal ends, respectively, and each base end is substantially protruded forward from the base ends of the pair of hinge bodies. The intermediate portion is symmetrically and rotatably supported on the upper and lower surfaces of the pair of hinge bodies by a support shaft, and is rotated by a spring in a direction in which the locking portion locks with each of the locking projections. A pair of mounting levers that are urged, a front end of a locking projection on the pair of mounting plates, and a front end of a locking portion of the pair of mounting levers are inclined by a slope inclined from the inside of the tip to the outside of the front end. A folding hinge for an interlocking folding door, wherein the folding hinge is formed.