JPH0743393Y2 - Partition device lock structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a lock structure in a partition device in which a plurality of panels are foldably connected by a hinge body.

[Prior Art] Conventionally, as a partition device such as a folding door and an opening / closing wall, a partition device in which a plurality of panels are foldably connected by a hinge body has been known. This conventional partitioning device extends the panel in parallel with the rail to bring it into a fully closed state. The locking means in this case is the panel 2 or the hinge body 1 as shown in FIG.
The roller 56 that can move up and down is projected above the
Only the spring 56 is elastically biased upward by the spring, and when the panel 56 is closed, the roller 56 is elastically elastically locked in the upper rail 3b and locked.

[Problems to be Solved by the Invention] However, in the conventional example as described above, the roller 56 is certainly inserted into the upper rail 3b and locked in the closed state, but when an external force is applied, The roller that was elastically locked may come off from the upper rail 3b, which was not sufficient as a locking device.

Therefore, the inventor of the present invention considered a locking device having a structure in which the drop rod is dropped into the lower rail, and considered to secure the lock in the closed state by dropping the drop rod into the lower rail. The drop rod must be moved up and down by operating the operating portion, but the operating portion was provided only on the front side. However, in a partition device such as a double-folding door or an opening / closing wall, when lock operation is required from both the front side and the back side (when a drop rod operation unit is required on both front and back sides), and on the front side and the back side, respectively. There is a case that only one of them needs to be locked, and there is a problem that multiple types such as one with the operation part on only one side and one on both sides must be prepared accordingly. It was

The present invention has been devised in view of the above-mentioned conventional problems, and its purpose is to provide a reliable lock and to provide operation parts for operating a drop rod on both front and back sides. In this case, it is possible to select it on the site to install it on only one side, and when using the other operation part, it is possible to move vertically up and down along the opening between the lip pieces, and when removing it, a partition that does not hinder the appearance To provide a locking structure for the device.

[Means for Solving the Problems] In the lock structure of the partition device of the present invention, a plurality of panels 2 are foldably connected by pivotally supporting adjacent panels 2 by vertically extending hinges 1. The panel 2 is attached so that it can move along the rails 3, and the hinge body 1
A drop rod 4 that can be projected downward from the lower end of the hinge 3 can be fitted into a rail 3 and an operating portion 5 for vertically moving the drop rod 4 is provided on the front side and the back side of the hinge body 1 at a substantially central portion in the vertical direction. In the partition device provided in each,
The hinge body 1 is formed in a U-shape with a lip in cross section in which lip pieces 7 are provided on both sides of the opening 8, and a pivotally supported portion 16 protruding from the side end surface of the panel 2 adjacent to the tip of the lip piece 7 is provided.
The central vertical piece 27 is provided on the side opposite to the side where the lip piece 7 of the hinge body 1 is provided, as well as the pivotal support portion 9 for rotatably pivoting.
A vertical hole 28 is provided in the central vertical piece 27 through the vertical hole 28.
One operation part 5 is provided on the front side and the other operation part 5'is provided on the back side, and the other operation part 5'is provided so as to project from the opening 8 between the lip pieces 7 and is removable. By adopting such a configuration, the above-mentioned object of the present invention is achieved.

[Operation] Then, by providing the operating portion 5 for operating the drop rod 4 in the substantially central portion in the vertical direction of the hinge body 1, the drop rod 4 can be fitted into the rail 3 to be locked or unlocked. Yes, the lock is not released unless external force is applied, and the lock can be surely performed. Further, by providing the operating portion 5 for operating the drop rod 4 on the front side and the back side of the hinge body 1, the operating portions 5 are provided on both sides. When necessary, it can be handled as it is, and when an operating portion is required on only one side, the other operating portion 5 is detached and used.

[Embodiment] The present invention will be described in detail below based on an embodiment shown in the accompanying drawings.

1 to 6 show one embodiment of the present invention.
A plurality of panels 2 are foldably connected via a hinge body 1. The hinge body 1 is formed by a vertically long extruded product having a U-shape in cross section with a lip, and is formed by metal or synthetic resin. Pivot portions 9 are provided on both edges of the opening 8 of the vertically long hinge body 1 (that is, the tips of the lip pieces 7 at both ends of the opening 8). On the side end surface of the panel 3, a pivotally supported portion 16 is provided so as to project outward from one end portion in the front-rear direction. A plurality of pivotally supported portions 16 projecting outward from one end in the front-rear direction of the side end faces of the panels 2 adjacent to the pivotal support portions 9 on both sides of the hinge body 1 are rotatably supported. The panel 2 of is foldably connected. In the embodiment shown in FIG. 1, an example of a bifold door in which two panels 2 are rotatably connected by a hinge body 1 is shown as a partition device. Hinge body 1 of two panels 2
The runner 10 and the pivot 11 project from the upper surface and the lower end of the end opposite to the one where the runner is pivoted.
Is fitted into the upper rail 3b that constitutes the rail 3, and the pivot 11 is fitted into the lower rail 3a. These runners 10 and pivots 11 are freely movable with respect to the upper and lower rails 3b and 3a, but a stopper 12 is provided at a portion near either one of the longitudinal ends of the upper rail 3b and the lower rail 3a. Is detachably attached with a screw tool or the like, and for this stopper 12, one runner 10 and one pivot 11
However, neither of them can run on the upper rail 3b and the lower rail 3a. Therefore, the runner 10 and the pivot 11 that cannot run on this side are pivotally supported with respect to the rail 3 of the folding door. Then, the other runner 10 and the pivot 11 run on the upper and lower rails 3b and 3a, so that the panels 2 are folded or spread via the hinge body 1 to open and close the two-fold door which is a partition device. It is supposed to do.

In the figure, 13 is a drop rod case, which is fitted on both sides with recesses 14
The fitting recesses 14 on both sides are fitted in the pivotal support portions 9 on both sides of the opening 8 of the hinge body 1 having a U-shape in section with a lip and fixed by screws 15. The pivotally supported portion 16 is cut out at the portion where the drop rod case 13 is fitted and attached so as not to interfere with the attachment of the drop rod case 13. The drop rod 4 is fitted in a vertical groove 17 in the drop rod case 13 so as to project downward, and a connector 19 is vertically slidably inserted into a vertical slide hole 18 provided in the drop rod case 13. The tool 19 is inserted into the hole 20 in the upper portion of the drop rod 4, and further inserted into the hole 22 provided at the lower end of the connecting means 21 such as a steel tape to be fixed. Here, the head of the connecting tool 19 is a lower operation part 6 provided at the lower part of the hinge body 1 for operating the drop rod 4 up and down, and the lower operation part 6 is a notch at the lower end of the pivotally supported part 16. Located between the parts 23, the lower operation part 6
By moving up and down, the drop rod 4 can be operated up and down. In the vertical groove 17, there is provided a leaf spring 24 whose central portion in the up-down direction is bent along the side wall. The leaf spring 24 is raised to the side of the upper end of the dropping rod 4 so as to project laterally. When the stopper portion 25 is located above the bent portion 26 of the leaf spring 24, the bent portion 26 prevents the locking portion 25 from dropping downward and is in a raised state.

The central vertical piece on the side opposite to the side where the lip piece 7 of the hinge body 1 is provided
A vertically long hole 28 is provided at a substantially central portion in the vertical direction of 27.
One operation part 5 is arranged on the front side of the central vertical piece 27 and the other operation part 5'is arranged on the back side through the vertically elongated hole 28, and the operation part 5'on the back side is provided with an opening 8 between the lip pieces 7. It is arranged so as to project from and is removable. That is, the operation unit 5
One of the operation parts 5 (front side in the drawing) is configured by providing a knob 30 on the front surface side of the slide pedestal 29, and a projection 31 is provided on the back surface side of the slide pedestal 2. The protrusion 31 is fitted in the vertically elongated hole 28 so as to be vertically slidable. In the embodiment shown in FIG. 3, an upper projecting piece 32 is provided on the upper part of the projecting portion 31, and a hole 33 in the upper part of the connecting means 21 such as a steel tape located in the hinge body 1 is formed on the projecting portion 31. Fitting and hooking on the upper projecting piece 32, further inserting the locking tool 36 into the lower part of the hole 33, fitting it in the recess 34 at the lower part of the projecting part 31, and locking the locking groove part 35 provided on the inner wall of the recessed part 34. 36 locking claw 37
And the contact part 38 of the locking device 36 is brought into contact with the surface of the connecting means 21 such as a steel tape, thereby connecting the connecting means 21 and the operating portion 5, and the protrusion 31 is vertically long. It is designed so that it does not come out of the hole 28. A vertical recess 39 is formed on the back surface of the slide pedestal 29 and opens backward and upward. Inside the vertical recess 39, a leaf spring 24 is arranged along the side wall. In the center part of the direction
Is provided. A locking projection 40 is provided on the surface of the central vertical piece 29 of the hinge body 1. Then, when the operation portion 5 is slid upward, the vertical recess 39 is opened from the upper opening of the vertical recess 39.
The locking projection 40 is inserted therein, and the locking projection 40 is positioned below the protruding portion 26 of the leaf spring 24, and is stopped at the position where the operation portion 5 slides up. At this time, the drop rod 4 is pulled up via the connecting means 21. Further, when the operating portion 5 is slid downward, the protruding portion 26 rides over the locking projection 40 and descends, so that the slide pedestal 29 of the operating portion 5 is located below the locking projection 40. Locking ridge 40
Is exposed to the outside. In this case, the drop rod 4 is moved downward and fitted into the lower rail 3b. Therefore, when the locking protrusion 40 is exposed,
The locked state is confirmed, and the unlocked state is confirmed when the locking projection 40 is not exposed. A connection piece 41 provided on the other operation section 5 ', which is the other operation section 5, is inserted from between the pivotally supported portions 16, and the connection piece 41 is inserted into the hole 42 of the protrusion 31. 41
When the knob 30 is attached to the slide pedestal 29 with the screw tool 43 at the front end of the slide pedestal 29, the tip end of the is attached simultaneously with the screw tool 43. In this case, the operation portion 5 projects on the front surface side, and on the back surface side from between the pivotally supported portions 16, that is, the lip piece 7 of the hinge body 1.
The operating portion 5'projects from the opening 8 between them, and the operating portion 5'can be smoothly moved up and down along the opening 8 between the lip pieces 7. In the present embodiment, the back side operation unit 5'can be removed by removing the screw tool 43 when the back side operation unit 5'is not used. In this way, even if the operation portion 5'on the back side is removed, the opening 8 between the lip pieces 7 is only exposed, which does not hinder the appearance, and the appearance on the back side of the hinge body 1 can be maintained in a good appearance. It is possible. Also, knob 30
When not used, the pedestal cover 44 as shown by the broken line in FIG. 3 can be attached instead of the knob 30. Here, even when the knob 30 is not used, it is difficult to operate in an emergency, but the drop rod 4 can be operated by operating the slide base 29.

Then, with the double-folding door, which is a partition device, closed, the operating unit 5 or the lower operating unit 6 is operated to fit the drop rod 5 into the lower rail 3a for locking. Then, in order to release the lock, the operating portion 5 or the lower operating portion 6 is operated to pull up the drop rod 5 from the lower rail 3a.

In the embodiment shown in the accompanying drawings, a vertically movable roller 56 is projected upward from the upper end portion of the hinge body 1, and the roller 56 is elastically biased upward by a spring so that the roller 56 is closed when the panel 2 is closed. It is also used to elastically elastically lock the upper rail 3b. When this roller 56 that is elastically locked is also used, the roller 56 may be elastically locked to the upper rail 3b in a state where the drop rod 4 is pulled up when temporarily locking temporarily. .

In the accompanying drawings, 57 is a vertical frame of the opening, 58 is a horizontal frame, and the upper rail 3b is attached to the horizontal frame 58.

7 to 9 show another embodiment of the present invention. In this embodiment, a bolt 46 is provided so as to project from the knob receiver 45, and the bolt 46 is inserted into the hole 33 in the upper portion of the connecting means 21,
Further, a hole 47 penetrating from the protrusion 31 to the surface side of the slide pedestal 29.
Then, it is inserted into the hole 48 of the knob 30 and tightened with a nut 49 to be attached. A cap 50 for concealing the nut 49 is attached to the surface side of the knob 30. One end portion side of the knob receiver 45 is gradually thinned toward the tip, and this thinned portion slightly protrudes from between the pivotally supported portions 16, where the rear end portion of the operation portion 5'on the back side is the screw tool 51.
It is detachably attached by. In this embodiment, when the back side operation section 5'is not necessary, only the back side operation section 5'can be removed by simply removing the screw tool 51.

FIG. 10 shows still another embodiment of the present invention. In this embodiment, the protrusion 31 protruding from the back surface of the slide pedestal 29 is used.
Slide vertically into the vertically long hole 28, and
31 is fitted into a hole 33 in the upper part of the connecting means 21 made of steel tape and attached, and further, a connecting piece 41 provided in the operation portion 5'on the back side is inserted from between the pivotally supported portions 16, and this connecting piece 41
Is inserted into the recess 52 on the back surface of the slide pedestal 29, the connecting pieces 53b of the pair of L-shaped support plates 53 are inserted into the recess 52 along both sides of the connecting piece 41, and the piece 53a is inserted. The central vertical piece 27 is applied to the back side near the edge of the vertically elongated hole 28, and in this state, the slide base 29, the two support plates 53, and the connection piece 41 are connected by the screw tool 54 inserted from the side of the slide base 29. Is. Where slide base 2
9. The two support plates 53 are connected at two or more locations (two locations in the attached drawings), but the slide pedestal 29, the two support plates 53 and the connection pieces 41 are connected at fewer locations than the above connection (in the attached drawings, It is connected at one place). That is, in FIG. 10, the connection piece 41 is connected to one screw tool 54.
Is fixed, but only the notch groove 55 part is fitted in the other screw tool 54, and by removing the fixing screw tool 54 and pulling out the connecting piece 41, The operation portion 5'can be removed. At this time, since the two support plates 53 and the slide pedestal 29 are fixed by another screw tool 54, the two support plates 53 will not come off when the connecting piece 41 is removed.

In each of the above-described embodiments, an example of a double-folding door is shown as the partition device, but two or more panels 2 are connected to the hinge body 1.
It may be an opening / closing wall that is foldably connected to the rail 3 and can travel on the rail 3.

[Advantage of the Invention] According to the present invention, as described above, the drop bar that can be projected downward from the lower end of the hinge body can be fitted into the rail, and the operation part for vertically moving the drop bar is hinged. In the one provided on the front side and the back side of the substantially central portion in the vertical direction of the body, the hinge body is formed in a U shape with a lip section in which lip pieces are provided on both sides of the opening, respectively.
At the tip of the lip piece, there is provided a pivotal support portion that rotatably pivots a pivotally supported portion provided on the side end surface of the panel adjacent to the panel, and a central vertical piece on the opposite side of the hinge body on which the lip piece is provided. Is provided with a vertically elongated hole, and one operation portion is provided on the front side of the central vertical piece and the other operation portion is provided on the back side through the vertically elongated hole,
Since the other operating portion is arranged so as to project from the opening between the lip pieces and is removable, the operating portion for operating the dropping rod is provided at the substantially central portion in the vertical direction of the hinge body so that the dropping rod can be railed. It can be locked by inserting it into the lock or unlocking it, and it can be locked securely without unlocking unless external force is applied, and the operating part that operates the drop rod on the front side and the back side of the hinge body By providing the operation unit on both sides, it can be used as it is, and when the operation unit is required on only one side, the other operation unit can be removed and used. One type of partition device can handle various types of usage. Further, even when the other operation portion is removed, the opening between the lip pieces is only exposed so that the appearance is not hindered, and the appearance on the back side of the hinge body can be maintained in a good appearance.

[Brief description of drawings]

1 is an exploded perspective view of the present invention, FIG. 2 is an exploded perspective view of the same as above, and FIG. 3 is an exploded perspective view of an embodiment of the present invention.
(A), (b), (c), (d), and (e) are cross-sectional views, perspective views, plan views, longitudinal sectional views, front views, and FIG. 6 and 6 are perspective views showing a state in which the operating portion is lowered, FIG. 7 is an exploded perspective view of another embodiment of the present invention, and FIGS. 8 (a) (b) (c) (d). Is a front view, a plan sectional view, a vertical sectional view and a rear view of the operating portion on the back side of the same operating portion. FIG. 9 is a perspective view showing another embodiment of the leaf spring of the same, FIG. 10 (a). (B) is an exploded perspective view and a sectional view of still another embodiment of the present invention, and FIG. 11 is a perspective view of a conventional example, wherein 1 is a hinge body, 2 is a panel, 3 is a rail, and 4 is a rail.
Is a drop rod, and 5 is an operation unit.

Claims (1)

[Scope of utility model registration request] 1. A lower end portion of a hinge body, wherein adjacent panels are rotatably supported by a vertically long hinge body to foldably connect a plurality of panels and the panels are movably mounted along a rail. In the partition device in which the drop rod that can be freely projected downward from the bottom is freely fitted into the rail, and the operation unit for vertically moving the drop rod is provided on the front side and the back side of the hinge body in the substantially vertical center, respectively, The hinge body is formed in a U-shape with a lip section in which lip pieces are provided on both sides of the opening, respectively, and a pivotally supported portion projecting from a side end surface of a panel adjacent to the tip of the lip piece is rotatably pivoted. A vertically extending hole is provided in the central vertical piece on the side opposite to the side where the lip piece of the hinge body is provided, and a one-side operation portion is provided on the front side of the central vertical piece through the vertically long hole.
A lock structure for a partitioning device, wherein the other operating portion is provided on the back side, and the other operating portion is provided so as to project from the opening between the lip pieces and is removable.