JP3205640U - Drop-off prevention structure and drop-off prevention bracket - Google Patents

Abstract

[PROBLEMS] To provide a ceiling structure having a field edge receiving hanger C hung by holding a field edge receiver A by a holding vertical plate part 04 raised through a hanger vertical plate part 01 and a bottom plate part 03. , To prevent the field guard from falling off the hanger. A wire rod is bent at a frame flange portion 1 formed of an elastic wire material, which can surround and hold a hanger vertical plate portion 01 and a holding vertical plate portion 04, and a partial opening portion 2 of the frame flange portion. The lock receiving portion 5 formed in this manner and the lock receiving portion 31 that can be attached and detached to the lock receiving portion are provided as a drop-off preventing metal fitting D. The plate portion 04 is sandwiched and attached to a predetermined location. [Selection] Figure 3

Description

  The present invention is attached to a ceiling hanger-hanging hanger and used for the above-mentioned structure that prevents the hanger and the hanger from being dropped due to an earthquake or the like. This relates to a drop-off prevention fitting.

  The structure that is often used as the framework of lightweight steel frame ceiling foundation is the suspension bolt B that is connected to the beam by combining the ceiling edge with the field edge on which the ceiling plate is mounted and the field edge receiver A orthogonally The field edge receiver A is mounted on the suspended field edge hanger C.

  The field edge receiver A is a U-shaped long member having a side opening, and the field edge receiver hanger C has a hanging hook shape. Specifically, it is formed on the upper end of the hanger vertical plate portion 01 having an appropriate height. A mounting horizontal plate portion 02 is provided, a bolt hole is formed in the mounting horizontal plate portion 02, a holding vertical plate portion 04 raised through a bottom plate portion 03 is provided in a lower portion of the hanger vertical plate portion 01, and further hugging. An open end plate portion 05 is provided in which the upper end of the holding vertical plate portion 04 is separated from the hanger vertical plate portion 01.

  The above-mentioned field edge receiving hanger C is mounted with the suspension bolt B on the mounting lateral plate part 02, and the field edge receiver A is inserted between the open end plate part 05 and the hanger vertical plate part 01 so as to hold the field edge receiver A. It is what.

  By the way, the connection between the field edge receiver A and the field edge hanger C is a structure in which the field edge receiver is simply held from below, so that when the field edge receiver A is lifted by an external force received during construction or an external force due to an earthquake or the like. The connection is disconnected, and the field edge and the field edge and the ceiling connected to the field edge receiver fall and are dangerous. Various countermeasures have been proposed for this purpose.

  In Patent Document 1 (Japanese Patent Application Laid-Open No. 7-207809), a hanger vertical plate portion is cut and raised in advance, and a locking piece is provided, and after holding the edge receiver, the locking piece is engaged with the open end plate portion. A structure is disclosed that stops and prevents the field receiver from slipping upward.

  Patent Document 2 (Japanese Patent Laid-Open No. 2007-23737) includes a straddle portion in a U-shaped lower opening that spans a field receiver and a sandwich plate portion that extends the front and rear surfaces of the straddle portion. There is disclosed a structure in which a reinforcing metal fitting is used and bolted through a sandwiching plate portion of the reinforcing metal fitting and a hanger vertical plate portion or a holding vertical plate portion of a field edge receiving hanger.

  Further, in Patent Document 3 (Japanese Patent Application Laid-Open No. 2007-177400), there is provided a restriction portion extending forward of the holding vertical plate portion in a U-shape corresponding to the front opening corresponding to the field edge receiver. Further, a reinforcing metal fitting for screwing to a field edge hanger is disclosed.

  Patent Document 4 (Japanese Patent Application Laid-Open No. 2013-57216) discloses means for installing a retaining bolt between the hanger vertical plate portion and the holding vertical plate portion.

JP-A-7-207809. JP 2007-23737 A. JP 2007-177400 A. JP2013-57216A.

  As means for preventing the field edge receiver A from coming off the field edge receiving hanger C, a cut and raised locking piece is provided on the hanger itself or a retaining bolt is incorporated as in the field edge receiving hanger C described in Patent Documents 1 and 4. As the structure, a field-hanging hanger equipped with the structure must be employed, and it can be employed only for a new ceiling, and the manufacture of the hanger itself is complicated.

  Moreover, when adopting another member as shown in Patent Documents 2 and 3, it can be adopted regardless of the existing construction, but it is necessary to fix screws at a plurality of places, and there is a problem in workability. .

  Therefore, the present invention proposes a novel ceiling field edge dropout prevention structure and dropout prevention metal fittings that are excellent in workability and can be used regardless of the newly installed ceiling field edge hanging hanger. .

  The structure for preventing the falling of a ceiling ledge according to claim 1 of the present invention comprises a field rim hanger and a drop-off prevention fitting that is detachably attached to the field ledge hanger. The drop-off prevention metal fitting according to the invention described in Item 4 is used for the structure.

  The field edge receiving hanger of the present invention is formed by a hanger vertical plate portion, a bottom plate portion, and a holding vertical plate portion suspended from a ceiling beam in a U-shaped upper opening, and holds the field edge receiver. An open end plate portion having the upper end of the holding vertical plate portion opened outward is provided. Further, the drop-off prevention metal fitting of the present invention is formed of an elastic wire, and surrounds the hanger vertical plate portion and the holding vertical plate portion so as to be sandwiched between the frame flange portion and a part of the frame flange portion. A lock receiving portion formed by bending the lock receiving portion, and a lock hook portion provided on the lock receiving portion so as to be detachably lockable are provided. The drop-off prevention structure is formed by attaching the metal fitting to the hanger by sandwiching the hanger vertical plate portion and the holding vertical plate portion at the frame collar portion of the drop-off prevention metal fitting.

  Thus, the field edge receiver is held by the U-shaped portion of the upper opening formed by the hanger vertical plate portion, the bottom plate portion, and the holding vertical plate portion of the field edge reception hanger suspended from the beam. While holding the edge holder, open the opening part of the drop-off prevention metal fitting, position the frame collar part of the metal fitting above the field edge receiver, and lock the locking collar part to the latch receiving part, When the hanger vertical plate portion and the holding vertical plate portion are sandwiched and attached by the frame collar portion, the metal fitting itself is prevented from moving upward by the open end plate portion, and the edge holder is pulled out upward and dropped off. It is a thing to prevent.

  Further, the drop-off prevention structure and the drop-off prevention metal fitting according to the invention of claim 2 and claim 5 are provided with an operation hook part extending from the lock receiving part and the lock hook part to the outside of the frame hook part surrounding range, The drop-off prevention metal fitting can be attached or detached by simple manual work by using the operation collar directly or by using an appropriate operation tool (for example, a metal thin tube or the like extrapolated to the operation collar).

  In addition, in the above-described field edge hanger, the hanger vertical plate portion at a position facing the upper portion of the holding vertical plate portion (below the open end plate portion) is provided. In addition, one side of the frame collar portion of the drop-off prevention metal fitting is accommodated, and a concave portion is provided that serves as a resistance to pulling out the field edge holder, so that the fitting of the metal fitting is stable and the upward movement of the metal fitting itself is reliably prevented.

  Further, the drop-off prevention metal fitting according to the invention of claim 6 is formed with a frame collar portion in a rectangular frame, a corner portion of the rectangular frame as an opening portion, and a latch receiving portion at an end portion of the opening portion, The side portion of the opening is appropriately extended to form a locking collar portion that is locked to the locking receiving portion. Since the shape is simply formed, its manufacture is easy and long. By adopting the operating collar, it is possible to easily attach and detach by hand.

  Further, the drop-off prevention metal fitting according to claim 7 is formed by forming a frame flange portion into a rectangular frame and providing a shallow flange portion on the outer periphery of a corner facing the opening portion in the rectangular frame. Can be easily opened and closed with light force.

  The configuration of the present invention is as described above, and the metal fitting formed of an elastic wire is attached to the field edge hanger without screwing to prevent the field edge receiver from falling off. By attaching the inventive bracket to the existing field edge hanger, it is possible to prevent the field edge holder from falling off.

An embodiment of the drop-off prevention metal fitting of the present invention is shown in (a) is a perspective view when opened (b) is a perspective view when closed. The same embodiment is shown in (a) is a plan view (b) is a front view. FIG. 2 is an explanatory perspective view of the drop-off prevention structure (A) before mounting the metal fitting (B), and (C) in the open state after mounting the metal fitting. The other example of the drop-off prevention metal fitting of this invention is shown, (a) is a top view (b) is a front view.

  Next, an embodiment of the present invention will be described. In the present invention, a field edge receiver A, which is arranged in a grid pattern with respect to a field edge (not shown) on which a ceiling plate is mounted and is connected to the field edge, is suspended by a suspension bolt B connected to a ceiling beam. In the ceiling structure that is supported by being suspended by the edge receiving hanger C, it is a structure that prevents the field receiving edge A from dropping off from the field edge receiving hanger C, and with the field edge receiving hanger C and the drop-off prevention metal fitting D. It is composed.

  The edge receiving hanger C is provided with a mounting horizontal plate portion 02 at the upper end of the hanger vertical plate portion 01 having an appropriate height, a bolt hole is formed in the mounting horizontal plate portion 02, and a bottom plate is formed at a lower portion of the hanger vertical plate portion 01. A holding vertical plate portion 04 raised through the portion 03 is provided, and an open end plate portion 05 is provided so that the upper end of the holding vertical plate portion 04 is separated from the hanger vertical plate portion 01. Further, in the hanger vertical plate portion 01, a concave portion 06 is provided at a position facing the boundary between the holding vertical plate portion 04 and the open end plate portion 05 to narrow the facing interval across the hanger vertical plate portion 01.

  The drop-off prevention metal fitting D is formed by bending an elastic wire (steel wire such as a piano wire), and a frame hook 1 and an opening 2 in which a part of the frame hook 1 is separated and opened, It is provided with operating rods 3 and 4 that extend outward from the opening 2, a latch receiving portion 5 that is provided adjacent to the opening 2, and a ringing portion 6 that is provided at a predetermined location. .

  The frame collar portion 1 is formed in a rectangular frame and includes end side portions 11 and 12 and side side portions 13 and 14, and has a size that can surround the hanger vertical plate portion 01 and the holding vertical plate portion 04, In addition, when the opening 2 is closed, the side portions 13 and 14 are sized so that the boundary portion between the holding vertical plate portion 01 and the open end plate portion 05 and the opposing concave portion 06 can be pinched.

  The opening 2 is provided at the corner between the end side 11 and the side 13. Further, one of the operation collars 3 is formed by extending the side part 13, and a portion corresponding to the opening 2 is a locking collar 31. The other operating rod section 4 is extended through a latch receiving section 5 formed by curving the end portion of the end portion 11 facing the opening 2 in the shape of "".

  Further, the turning portion 6 is provided on the outer periphery of a portion where the end side portion 12 and the side side portions 13 and 14 which are corner portions facing the opening portion 2 are connected.

  Thus, the side edge receptacle A, which is a U-shaped long member having a side opening, is inserted between the open end plate portion 05 and the hanger vertical plate portion 01, and the hanger vertical plate portion 01, the bottom plate portion 03, and the holding vertical portion. It is held by the U-shaped portion of the upper opening formed by the plate portion 04 (FIG. 3A).

  In a state in which the field edge hanger C is holding the field edge receiver A, the operating collars 3 and 4 of the drop-off prevention metal fitting D are moved in the opening direction to widen the opening 2 and the frame collar 1 of the metal fitting D. Is positioned above the field receiver A, and the side portions 13 and 14 are positioned at the concave portion 06 facing the boundary portion between the holding vertical plate portion 01 and the open end plate portion 05 (FIG. 3B).

  Then, the operation levers 3 and 4 are twisted to move the opening 2 in the closing direction, and the locking hook 3 at the position corresponding to the boundary between the operation hook 3 and the side portion 13 is moved to the lock receiving portion 5. Lock (Fig. 3C). By this locking, the metal fitting D is attached to the field edge hanger C. In the above mounting, the side portions 13 and 14 strongly hold the concave portion 06 provided in the hanger vertical plate portion 01 and the boundary portion between the holding vertical plate portion 04 and the open end plate portion 05, thereby preventing the falling off. The metal fitting D itself is securely attached to the hanger C.

  Accordingly, the installation of the drop-off prevention metal fitting D prevents the field edge receiver A from falling off the field edge reception hanger C. The attachment of the drop-off prevention metal fitting D is easily performed by hand, and other existing Even on the ceiling, the fall guard can be prevented from falling off by using the fall prevention bracket of the present invention against the existing hanger receiving hanger.

  Further, the present invention may employ a drop-off prevention fitting D1 as illustrated in FIG. Like the drop-off prevention fitting D of the above-described embodiment, the drop-off prevention fitting D1 includes a frame flange portion 1 having end sides 11 and 12 and side sides 13 and 14 and formed into a rectangular frame. 11 and an opening 2 at the corner between the side part 13, the side part 13 is extended, and a short operation hook part 3 a is provided via a locking hook part 31. The end portion is bent into an “L” shape to form the latch receiving portion 5, and the latch receiving portion 5 is extended to include the operation collar portion 4 a.

  Thus, the drop-off prevention metal fitting D1 is operated by a tool such as pliers or a metal thin tube because the operation hooks 3a and 4a are short for directly operating the operation hooks 3a and 4a by hand. Is positioned at a predetermined position of the field receiving hanger C, and the locking collar 31 is locked and mounted on the locking receiving part 5, and when the metal fitting D1 is mounted, the field receiving A is connected to the field receiving hanger C. It will prevent it from falling off.

A Field edge receiver B Suspension bolt C Field edge hanger 01 Hanger vertical plate portion 02 Mounting horizontal plate portion 03 Bottom plate portion 04 Holding vertical plate portion 05 Open end plate portion 06 Recess D, D1 Drop-off prevention metal fitting 1 Frame collar portion 11, 12 End side portions 13 and 14 Side side portion 2 Opening portions 3, 3 a, 4, 4 a Operation rod portion 31 Locking rod portion 5 Locking receiving portion 6 Turn portion

Claims (7)

  The hanger vertical plate part, the bottom plate part, and the holding vertical plate part suspended from the ceiling beam are formed in a U-shaped upper opening to hold the edge holder, and the upper end of the holding vertical plate part is on the outside A ceiling ledge receiver drop-off prevention structure comprising a field ledge hanger with an open end plate portion and a drop-off prevention metal fitting that is detachably attached to the field edge hanger. Formed with wire rods, a frame collar portion that can be sandwiched by surrounding the hanger vertical plate portion and the holding vertical plate portion, and a part of the frame collar portion are opened, and the wire rod is curved at the opening location. And a latch hook portion provided in the latch receptacle portion so as to be detachably latchable, and a hanger vertical plate portion and a holding vertical plate portion at the frame hook portion of the drop-off prevention metal fitting. A structure for preventing the falling edge of the ceiling ledge, characterized by being sandwiched.   The structure for preventing a ceiling field edge dropout according to claim 1, further comprising an operation hook part extending from the lock receiving part and the lock hook part to outside the frame hook part surrounding range.   The hanger vertical plate portion at a position facing the upper portion of the holding vertical plate portion in the field edge receiving hanger is provided with a recess that serves as a resistance to falling out of the field edge receiving portion while accommodating one side of the frame collar portion of the drop-off prevention metal fitting. The structure for preventing the falling of the ceiling edge receiver according to 1 or 2.   The hanger vertical plate part, the bottom plate part, and the holding vertical plate part suspended from the ceiling beam are formed in a U-shaped upper opening to hold the edge holder, and the upper end of the holding vertical plate part is on the outside A drop-preventing metal fitting formed of an elastic wire attached to a field receiving hanger having an open end plate portion, and a frame collar portion that can be sandwiched by surrounding the hanger vertical plate portion and the holding vertical plate portion A part of the frame collar part is opened, and a latch receiving part formed by bending a wire rod is provided at the opening, and a latch collar part provided in the latch receiving part so as to be attachable / detachable. A drop-off prevention fitting for the ceiling edge holder.   5. The drop-off prevention fitting for the ceiling edge receiver according to claim 4, further comprising an operation hook part extending from the lock receiving part and the lock hook part to outside the frame hook part surrounding range.   The frame collar portion is formed in a rectangular frame, the corner of the rectangular frame is an opening location, a latch receiving portion is provided at the edge of the opening location, and the side portion of the opening location is appropriately extended to The metal fitting for preventing falling off of the ceiling edge receiver according to claim 4 or 5, wherein a locking collar portion for locking to the receiving portion is formed.   7. The bracket for falling off the ceiling edge holder according to claim 5 or 6, wherein the frame flange portion is formed in a rectangular frame, and a shallow flange portion is provided on the outer periphery of the corner facing the opening portion in the rectangular frame.

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