JP2007039910A - Folding door device - Google Patents

Abstract

A folding door device is provided that prevents the ceiling from being damaged when the height of the folding door is substantially the same as the height of the ceiling of a storage unit.
An upper end of a folding door 5 in which edge portions of door units 3 and 3 are connected by a hinge 4 is connected to one end of an upper guide rail 6 via a fixed pivot 7 and the folding door is connected. 5 is inserted into the shaft hole 10 on the floor F side, and the upper end of the other end of the folding door 5 is slidably supported on the upper guide rail 6 via the slide pivot 8. Each of the fixed-side and slide-side pivots 7 and 8 includes a folding door-side mounting bracket 11 and a guide rail-side mounting unit 12 that can be connected to and disconnected from each other.
[Selection] Figure 3

Description

  The present invention relates to a folding door device that opens and closes an opening of a storage unit such as furniture or a closet.

  As a conventional folding door device, publicly known documents such as patent gazettes cannot be specifically mentioned. However, in this type of general folding door device, when folding doors are built into an opening of a storage unit, folding doors are used. After inserting the lower spindle projecting on the bottom surface of the folding door from the tilted state into the shaft hole provided on the floor surface, stand the folding door as it is, and use the spring from the top surface of the folding door Insert the upper support shaft that protrudes and urges into the shaft hole provided at one end of the upper guide rail, and support the slider supported by the upper end of the other end of the folding door slidably on the upper guide rail. Yes.

  According to the folding door apparatus as described above, when the height of the folding door is substantially the same as the ceiling height of the storage unit, the upper support shaft protrudes from the upper surface of one end of the folding door. There was a risk of damaging the ceiling by the protruding upper support shaft when it was built.

  An object of the present invention is to provide a folding door device that prevents the ceiling from being damaged when the height of the folding door is substantially the same as the ceiling height of the storage portion as described above.

  Means for solving the above problems will be described with reference numerals in the embodiments described later. The invention according to claim 1 is that the doors 3 and 3 are folded with the edge portions of the doors 3 and 3 connected by a hinge 4. The upper end of one end of the door 5 is connected to one end of the upper guide rail 6 via a fixed pivot 7, and the support shaft 9 protruding from the lower surface on the one end side of the folding door 5 is inserted into the shaft hole 10 on the floor F side. The folding door device is a folding door device in which the upper end of the other end side of the folding door 5 is slidably supported by the upper guide rail 6 via the slide side pivot 8. The folding door side mounting bracket 11 and the guide rail side mounting unit 12 are connected to and disconnected from each other, and the folding door side mounting bracket 11 pivotally attaches a horizontal piece 15 to a mounting substrate 13 mounted on the upper surface of the door unit 3. , Downward from one end of this horizontal piece 15 The guide rail side mounting unit 12 is held in the box-shaped main body 18 and the box-shaped main body 18 so as to be movable up and down, and at the same time, the upper surface of the box-shaped main body 18 by a spring 19 at all times. The support rod 20 urged so as to protrude from the required length from the upper side, the slider 21 fixed to the upper end of the support rod 20 and slidably attached to the upper guide rail 6, and the upper surface of the box-shaped main body 18 are inserted. It is composed of an unlockable lock mechanism 22 that locks the connecting piece 16 of the folded folding door side mounting bracket 11 and connects it to the box-shaped main body 18, and the fixed side pivot 7 attaches the slider 21 so that it cannot slide. It is characterized by.

  In the folding door device according to claim 1, the lock mechanism 22 forms the locked portion 16 a in the coupling portion piece 16 of the folding door side mounting bracket 11, while the coupling portion is connected to the box-shaped main body 18. An insertion path 26 for inserting the piece 16 from above is provided. In the box-shaped main body 18, a taper guide 27 and a locking portion 28 are formed at one end, and an operation portion 29 is formed at the other end. A locking lever 30 is pivotally attached, and a spring 32 is provided to urge the locking lever 30 so that one end of the locking lever 30 always enters the insertion path. The connecting piece 16 is inserted into the insertion path 26. After the lower end of the locking lever 30 is pressed against the taper guide 27 of the locking lever 30, the locking lever 30 tilts against the spring 32 and the locking portion 28 temporarily retracts from the insertion path 26. Then, it enters again and locks to the locked portion 16a of the connecting piece 16, thereby connecting Lock the piece 16, is withdrawn from the insertion path 26 the one end portion by pressing the operation portion 29 of the other end portion of the engaging lever 30 is characterized in that so as to unlock.

  The effect of the invention by the above solution will be described with reference numerals of embodiments described later. According to the folding door device of the invention according to claim 1, the height of the folding door 5 is the ceiling surface of the storage unit 1. Even when the height of S is substantially the same, when the folding door 5 is built, the ceiling may be damaged by a support shaft protruding from the upper surface of one end of the folding door, like a conventional folding door device. Absent. That is, after the folding door side mounting bracket 11 and the guide rail side mounting unit 12 of each pivot 7, 8 are separated from each other and the folding door side mounting bracket 11 is mounted on the upper surface of the end of the folding door 5, the guide rail side The mounting unit 12 can be connected to the folding door side mounting bracket 11 from a position lower than that, and the support rod 20 having the slider 21 fixed to the upper end thereof is bent by pushing it down against the spring 19. Since it can be positioned lower than the horizontal piece 15 of the door-side mounting bracket 11, even after the guide rail-side mounting unit 12 is connected to the folding door-side mounting bracket 11, the support rods in the guide rail-side mounting unit 12 are supported. The slider 21 fixed to the upper end of 20 does not hit the ceiling surface S of the storage part 1 and does not hit the upper guide rail 6, and therefore the folding door 5. There is no damage the ceiling or the like at the time like an anchor. Further, since the fixed side pivot 7 and the slide side pivot 8 have the same configuration, if one kind of pivot is manufactured, it can be used for both the fixed side pivot 7 and the slide side pivot 8. However, the fixed pivot 7 only needs to be fixed so that the slider 21 does not slide along the upper guide rail 6.

  According to the folding door device of the invention according to claim 2, the lock mechanism 22 is configured such that the connecting piece 16 is inserted into the insertion path 26 and the lower end thereof is pressed against the taper guide 27 of the locking lever 30. After the locking lever 30 tilts against the spring 32 and the locking portion 28 temporarily retracts from the insertion path 26, the locking lever 30 enters again and locks to the locked portion 16a of the connecting piece 16; Thereby, the connecting part piece 16 is locked, and by pushing the operating part 29 at the other end part of the locking lever 30, one end part is withdrawn from the insertion path 26 and unlocked. The connecting / disconnecting operation of the folding door side mounting bracket 11 and the guide rail side mounting unit 12 can be performed easily and easily, and the structure is compact, and it does not take a place and is easy to mount.

  A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a folding door device 2 according to the present invention as viewed from the outside of a storage unit 1, and FIG. FIG. 3 is an enlarged cross-sectional view showing a state in which the folding door 5 is closed, and FIG. 3 is a cross-sectional view similar to FIG. 2 and shows a state in which the folding door 5 is partially opened. 4 is an enlarged sectional view taken along line YY in FIG.

  In these drawings, reference numeral 1 denotes a storage unit such as a walk-in closet, which is formed by a ceiling surface S, a floor surface F, left and right side walls W, W, and a back side wall (not shown). Reference numeral 2 denotes a folding door device that opens and closes the front opening of the storage unit 1, and the folding door device 2 has an upper end on one end side of the folding door 5 in which the edge portions of the two door units 3 are connected by a hinge 4. The guide rail 6 is connected to one end portion of the folding door 5 via the fixed pivot 7, and the support shaft 9 protruding from the lower surface on the one end side of the folding door 5 is inserted into the shaft hole 10 on the floor surface F side. The upper side portion is slidably supported on the upper guide rail 6 via the slide side pivot 8. Side frames H, H are built on the left and right sides of the front opening of the storage unit 1.

  The structure of the folding door device 2 will be described in more detail. The fixed side pivot 7 and the slide side pivot 8 have the same structure, and the pivots 7 and 8 are connected to each other as shown in FIGS. It consists of a folding door side mounting bracket 11 and a guide rail side mounting unit 12 that can be separated. As can be seen from FIG. 5 and FIG. 10 (b), the folding door side mounting bracket 11 has a horizontal part 15 pivotally attached to a mounting substrate 13 which is attached to the upper surface of the door unit 3 with a screw a by means of pins 17. The connecting piece 16 is connected to one end vertically downward from one end of the piece 15, and the mounting plate piece 14 attached to the inner side surface of the door unit 3 with the screw a is vertically downward from one end of the mounting substrate 13. Coupled together. In FIG. 5, b shows a screw insertion hole.

  As can be seen from FIGS. 5 and 6, the guide rail side mounting unit 12 is held in a box-shaped main body 18 and freely movable in the box-shaped main body 18 (the lifting stroke is indicated by M). A support rod 20 urged by the compression coil spring 19 to project a required length N from the upper surface of the box-shaped main body 18, and is fixed to the upper end portion of the support rod 20 and is slidably attached to the upper guide rail 6. And a lock mechanism 22 that locks and connects the connecting piece 16 of the folding door side mounting bracket 11 inserted into the inside of the box-shaped main body 18 from the upper surface side of the box-shaped main body 18.

  As shown in FIGS. 5 and 6, the support rail 20 of the guide rail side mounting unit 12 is supported so as to be movable up and down along a lifting guide path 23 in the box-shaped main body 18 and is box-shaped by a stopper pin 24. The protrusion length N from the upper surface of the main body 18 and the lower limit position are limited. The stopper pin 24 slides along the guide groove 25 and restricts the protruding length N and the lower limit position of the lifting stroke M at the upper and lower end positions.

  The slider 21 fixed to the upper end of the support rod 20 is integrally formed of a synthetic resin material having excellent wear resistance, and as shown in FIG. The protrusions 21a and 21a are engaged with the engaging grooves 6a and 6a of the upper guide rail 6 (see (a) of FIG. 11) so as to slide along the upper guide rail 6. It has become.

  The locking mechanism 22 will be described with reference to FIGS. 5 and 6. First, the connecting piece 16 of the folding door side mounting bracket 11 is engaged with a recessed cutout portion at the left and right ends. The portions 16a and 16a are formed, and the locking step portions 16b and 16b are formed on the locked portions 16a and 16a, respectively. An insertion path 26 is provided on the front side of the box-shaped main body 18 so that the connecting piece 16 can be inserted and removed from above. A taper guide is provided at one end of the box-shaped main body 18. 27 and the locking portion 28 are formed on both ends and the operation portion 29 is formed at the other end so as to protrude from the front surface of the box-shaped main body 18. A coil spring 32 that is worn and biased so that one end of each locking lever 30 always enters the insertion path 26 is interposed between one end of each locking lever 30 and the box-shaped main body 18. Disguise. Both the locking levers 30 and 30 are integrally connected to each other by a connecting plate portion 29, and the connecting plate portion 29 forms an operation portion.

  In the lock mechanism 22 configured as described above, the connecting piece 16 of the folding door side mounting bracket 11 is moved from the state shown in FIGS. 5 and 6A to the box-shaped main body 18 of the guide rail side mounting unit 12. When inserted into the insertion path 26, as shown in FIGS. 6 (b) and 6 (c), the locking step 16b of the connecting piece 16 is locked to the upper surface of the box-shaped main body 18 and its position is regulated. At the same time, the lower end portion of the connecting piece 16 is pressed against the taper guide 27 of the locking lever 30 by the insertion operation of the connecting piece 16, whereby the locking lever 30 is pivoted against the urging force of the coil spring 32. 6 is tilted as shown by the phantom line in FIG. 6 (b), and the locking portion 28 temporarily retreats from the insertion path 26, and then enters again to enter FIG. 6 (b). And (c), it latches to the lower end of the to-be-latched part 16a of the connection part piece 16, and, thereby, the connection part piece 1 Lock the results in connecting the the door-side mounting member 11 folded over the connecting piece 16 guide rail-side mounting unit 12. In this connected state, the support rod 20 having the slider 21 fixed to the upper end portion can be positioned below the horizontal piece 15 of the folding door side mounting bracket 11 by pushing it down against the spring 19. .

  Further, when the lock is released from the state where the connecting piece 16 is locked as shown in FIGS. 6B and 6C, the operation portion 29 of the locking lever 30 is moved to the arrow shown in FIG. By pushing in the direction indicated by P, the locking lever 30 tilts, and as shown by the phantom line in FIG. 6, one end of the locking lever 30 is withdrawn from the insertion path 26 and unlocked. The connecting piece 16 can be separated from the box-shaped main body 18 by pulling the connecting piece 16 upward from the insertion path 26.

  3 and 4, reference numeral 33 denotes a lower bearing fitting, which is screwed to the side plate H and a horizontal plate portion 33 a screwed to the floor surface F side as shown in FIG. 11B. A shaft hole 10 for inserting the support shaft 9 protruding from the lower surface on one end side of the folding door 5 (door unit 3) is provided in a required portion of the horizontal plate portion 33a.

  Next, the installation work of the folding door apparatus 2 comprised as mentioned above is demonstrated.

  First, as shown in FIG. 7A, the upper guide rail 6 is attached to the ceiling surface S side of the front opening of the storage unit 1 with screws 35, and as shown in FIG. 8B, the storage unit The lower bearing fitting 33 is attached with screws 35 across the lower surface portion of the front opening portion of 1 and the lower end portion of the inner side surface of the side frame H.

  Prior to the installation of the folding door 5, the folding door side mounting bracket 11 and the guide rail side mounting unit 12 constituting the pivots 7 and 8 on the fixed side and the sliding side are brought into the state shown in FIG. They are separated from each other, and the folding door side mounting bracket 11 is attached to the upper surfaces of both ends of the folding door 5 as shown in FIG.

  As shown in FIGS. 5 and 10 (b), when mounting the folding door side mounting bracket 11, the mounting board extends over the upper end surface of each door unit 3 and the inner side surface (side surface on the storage unit 1 side). 13 and the mounting plate piece 14 are abutted and fixed by screws a, and a horizontal part 15 pivotally attached to the mounting board 13 and a connecting part piece 16 vertically coupled downward from one end thereof are: As shown in FIG. 10 (b), it is positioned on the inner surface side of each door unit 3.

  Then, as shown in FIGS. 8 (a) and 8 (b), with the folding door 5 tilted, the bottom surface of one end of the folding door 5 (one of the single doors 3 of the two single doors 3 and 3). The support shaft 9 protruding from the lower surface of the one end side is inserted into the shaft hole 10 of the lower bearing fitting 33. Thereafter, the folding door 5 is raised from a tilted state, and as shown in FIG. 9 (a), the folding door 5 is attached to the upper end of the folding door 5 and protrudes downward. The guide rail side mounting unit 16 is inserted into the connecting piece 16 while the box-shaped main body 18 of the guide rail side mounting unit 12 is brought closer to the connecting piece 16 from below and the insertion path 26 of the box-shaped main body 18 is inserted into the connecting piece 16. Twelve sliders 21 are fitted into the guide rail. As a result, the folding door side mounting bracket 11 and the guide rail side mounting unit 12 constituting the stationary side pivot 7 are connected to each other to assemble the stationary side pivot 7, and one end side of the folding door 5 through the stationary side pivot 7. The upper part is connected to one end of the upper guide rail 6.

  Since the guide rail side mounting unit 12 of the fixed side pivot 7 needs to be fixed so that the slider 21 does not slide at one end of the upper guide rail 6, FIG. 7 (a) and FIG. 9. A stopper 34 is attached to one end of the upper guide rail 6 as shown in (a) and (b). Further, in order to fit the slider 21 of the guide rail side mounting unit 12 into the guide rail, the engagement protrusion 21a is engaged with the upper guide rail 6 by utilizing the elasticity of the slider 21 itself formed of synthetic resin. What is necessary is just to push into the groove 6a.

  As described above, the folding door side mounting bracket 11 of the fixed side pivot 7 and the guide rail side mounting unit 12 are assembled, and the upper end of the folding door 5 is connected to the one end portion of the upper guide rail 6 via the fixed side pivot 7. 9 (b), the folding door side mounting bracket 11 and the guide rail side mounting unit 12 of the slide side pivot 8 attached to the upper part on the other end side of the folding door 5 are fixed to each other as shown in FIG. Assembling is performed in the same manner as the side pivot 7, and the upper part on the other end side of the folding door 5 is slidably supported on the other end part of the upper guide rail 6 through the slide side pivot 8.

  FIG. 2 is a plan view of the folding door device 2 installed as described above in a state in which the folding door 5 is closed, and FIG. 3 is a state in which the folding door 5 of the folding door device 2 is partially opened. It is a top view. FIG. 4 is a longitudinal sectional view in a state in which the folding door 5 is closed.

  As described above, in the folding door device 2 according to the present invention, each of the fixed-side and sliding-side pivots 7 and 8 includes the folding door-side mounting bracket 11 and the guide rail side mounting unit 12 that can be connected and disconnected. The folding door side mounting bracket 11 includes a horizontal piece 15 pivotally attached to a mounting substrate 13 attached to the upper surface of the door unit 3 and a connecting piece 16 coupled downward from one end of the horizontal piece 15. The guide rail side mounting unit 12 is held in the box-shaped main body 18 and the box-shaped main body 18 so as to be movable up and down, and is always urged by a spring 19 so as to protrude from the upper surface of the box-shaped main body 18 to a required length. Lock the support rod 20, the slider 21 fixed to the upper end of the support rod 20 and attached to the upper guide rail 6, and the connecting piece 16 of the folding door side mounting bracket 11 inserted from the upper surface side of the box-shaped main body 18. Shi Since the lock mechanism 22 that can be unlocked is connected to the box-shaped main body 18, as can be seen from FIG. 4, the height of the folding door 5 is substantially the same as the height of the ceiling surface S of the storage unit 1. Even when the folding door 5 is installed, the ceiling is not damaged by the support shaft protruding from the upper surface of the one end portion of the folding door, unlike the conventional folding door device.

  That is, after the folding door side mounting bracket 11 and the guide rail side mounting unit 12 of each pivot 7, 8 are separated from each other and the folding door side mounting bracket 11 is mounted on the upper surface of the end of the folding door 5, the guide rail side The mounting unit 12 can be connected to the folding door side mounting bracket 11 from below, and the support rod 20 having the slider 21 fixed to the upper end thereof is pushed down against the spring 19 so that the folding door side mounting bracket is mounted. 11 even after connecting the guide rail side mounting unit 12 to the folding door side mounting bracket 11, the upper end of the support rod 20 in the guide rail side mounting unit 12 The slider 21 fixed to the top does not hit the ceiling surface S of the storage unit 1 and does not hit the upper guide rail 6. There is no hurt and the like.

  Further, since the fixed side pivot 7 and the slide side pivot 8 have the same configuration, if one kind of pivot is manufactured, it can be used for both the fixed side pivot 7 and the slide side pivot 8. However, the fixed pivot 7 only needs to be fixed so that the slider 21 does not slide along the upper guide rail 6.

  Moreover, in this folding door device, the locking mechanism 22 for connecting the folding door side mounting bracket 11 and the guide rail side mounting unit 12 inserts the connecting piece 16 into the insertion path 26, and the lower end thereof is By pressing against the taper guide 27 of the locking lever 30, the locking lever 30 tilts against the spring 32 and the locking portion 28 temporarily retreats from the insertion path 26, and then reenters to enter the connecting portion. The locking portion 16a of the piece 16 is locked, whereby the connecting portion piece 16 is locked, and the operation portion 29 at the other end of the locking lever 30 is pushed, so that one end thereof is removed from the insertion path 26. Because it is designed to be released and unlocked, the folding door side mounting bracket 11 and the guide rail side mounting unit 12 can be easily connected and disconnected, and the structure is compact and does not take up space. Easy to install .

It is the front view which looked at the folding door apparatus which concerns on this invention from the outer side of the accommodating part. It is the XX expanded sectional view of FIG. 1, and shows the state which the folding door closed. It is sectional drawing similar to FIG. 2, and shows the state in which the folding door partly opened. It is the YY line expanded sectional view of FIG. It is a perspective view in the state which cut | disconnected the folding door side mounting bracket and guide rail side mounting unit of each pivot of a fixed side and a slide side. (a) is a partially sectional side view with the folding door side mounting bracket and guide rail side mounting unit separated, and (b) is a state where the folding door side mounting bracket and guide rail side mounting unit are connected. (C) is a ZZ line sectional view of (b). (a) is a perspective view showing a state where an upper guide rail is attached, and (b) is a perspective view showing a state where a lower bearing fitting is attached. (a) is a perspective view of a state in which a folding door is installed, and (b) is a perspective view of a state in which a support shaft protruding from the lower surface on one end side of the folding door is inserted into a shaft hole on the floor surface side. (a) is a perspective view showing the attachment point of the fixed side pivot, (b) is a perspective view showing the attachment point of the slide side pivot. FIG. 5 is a perspective view of a state in which the guide rail side mounting unit is suspended from an upper guide rail, and FIG. 5B is a perspective view of a state in which folding door side mounting brackets are respectively attached to both ends of the folding door. (a) is a side view which shows the attachment state of each pivot of a fixed side and a slide side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Storage part 2 Folding door apparatus 3 Door unit 4 Hinge 5 Folding door 6 Guide rail 7 Fixed side pivot 8 Slide side pivot 9 Support shaft 10 Shaft hole 11 Folding door side mounting bracket 12 Guide rail side mounting unit 13 Mounting board 15 Horizontal part Piece 16 Connecting piece 18 Box-shaped main body 19 Spring 20 Support rod 21 Slider 22 Lock mechanism 26 Insertion path 27 Taper guide 28 Locking portion 29 Operation portion 30 Locking lever 32 Spring

Claims (2)

Connect the upper end of the folding door, where the edges of the door unit are hinged, to one end of the upper guide rail via a fixed pivot, and connect the support shaft protruding from the lower surface of the folding door to the floor. A folding door device that is inserted into a shaft hole on the surface side, and the upper end of the other end of the folding door is slidably supported on the upper guide rail via a sliding pivot,
Each pivot on the fixed side and slide side consists of a folding door side mounting bracket and a guide rail side mounting unit that can be connected and disconnected from each other.
The folding door side mounting bracket consists of a horizontal part piece pivotally attached to a mounting board attached to the upper surface of the door unit, and a connecting part piece coupled downward from one end of the horizontal part. The box-shaped main body, a support rod that is held in the box-shaped main body so as to be movable up and down, and is always urged by a spring so as to protrude the required length from the upper surface of the box-shaped main body, and is fixed to the upper end of the support rod , A slider that can be slidably mounted on the upper guide rail, and a lock mechanism that can be unlocked by locking the connecting piece of the folding door side mounting bracket inserted from the upper surface side of the box-shaped body and connecting it to the box-shaped body. It is a folding door device in which the slider is attached so that it cannot slide on the fixed pivot. While the locking mechanism forms the locked portion in the connecting piece of the folding door side mounting bracket, the box-shaped main body is provided with an insertion path for inserting the connecting piece from above, and in the box-shaped main body, A locking lever having a taper guide and a locking part at one end and an operation part at the other end is pivotally attached, and the one end of the locking lever is always urged to enter the insertion path. The locking lever is tilted against the spring by inserting the connecting piece into the insertion path and pressing the lower end of the connecting piece against the taper guide of the locking lever. After the locking part has temporarily withdrawn from the insertion path, it enters again and locks to the locked part of the connecting part piece, thereby locking the connecting part piece, and the operation part at the other end of the locking lever. The folding door device according to claim 1, wherein one end of the folding door is released from the insertion path by pushing to release the lock.

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