JP5394146B2 - Ceiling structure - Google Patents

Description

The present invention relates to a ceiling structure.

  In buildings with large ceiling areas, such as public halls and gymnasiums, there is a risk of an accident where the ceiling falls during an earthquake that exceeds the design conditions. This occurs when the ceiling surface vibrates separately from the building and collides with the building.

  Therefore, it has been proposed to prevent the ceiling from falling by incorporating a damping device between the ceiling and the wall or reinforcing the ceiling structure with a reinforcing frame or a reinforcing material (for example, Patent Document 1 and Patent Document 2). ing.

JP 2008-255735 A Utility Model Registration No. 3133329

  However, the above-described prior art has a problem that the cost is increased for providing the reinforcing frame and the reinforcing material, and the workability is lowered.

The present invention has been made in consideration of the above problems, in the structure simple, and an object thereof is to provide a ceiling structure that fall prevention effect in the low cost is obtained.

The ceiling structure of the present invention includes a suspension bolt hanging from the ceiling, a support member attached to a lower part of the suspension bolt and supporting a field edge receiver, a field edge attached to the lower part of the field edge receiver by an attachment member , In the ceiling structure provided with the suspension bolt and the ceiling fall prevention band that connects the field edge or the field edge receiver, the ceiling fall prevention band is inserted and locked to the band part and the band part. A lock portion that prevents the bolt from being loosened and a suspension bolt fixing portion that fixes the suspension bolt , and the support member includes an upper piece through which the suspension bolt is inserted, and a hook portion that hooks the edge receiver The suspension bolt fixing portion is a suspension bolt insertion hole, and the peripheral portion of the suspension bolt insertion hole is thicker than the band portion, and the upper piece and the suspension bolt insertion hole are in front. With inserting the hanger bolts, characterized in that clamped the peripheral portion and the upper piece by upper and lower nuts screwed into the hanger bolts.

  Thereby, at the time of use, a band is fixed to a suspension bolt with a suspension bolt fixing part, a band part is wound around a field edge, and the band part is locked to a lock part. As a result, even if the field edge is detached from the field edge receiver, the field edge is held by the suspension bolt via the band. Further, when the suspension bolt and the field receiver are connected, the field receiver is held by the suspension bolt through the band even if the field receiver is detached from the support member.

According to the ceiling structure of the present invention, a simple ceiling fall prevention structure is obtained by using a band, is easy to implemented, mass production is easily obtained.

It is a front view of the ceiling structure which shows Example 1 of this invention. It is a side view of the principal part of a ceiling structure same as the above. It is a top view of a fall prevention band same as the above. It is a side view of a fall prevention band same as the above. It is a side view of the principal part of the ceiling structure which shows Example 2 of this invention.

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention. In each embodiment, by adopting a different novel ceiling fall prevention band to conventional, have ceiling structure in the prior art is obtained, it describes ceiling structure of it.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  1 to 4 show a first embodiment of the present invention. As shown in FIG. 1, the ceiling structure of the present invention has a suspension bolt 2 suspended from a ceiling slab 1 which is the ceiling of a building frame. A hanger 3 as a support member is attached to the lower end of the frame, a field edge receiver 4 is supported by the hanger 3, and a field edge 6 is attached to the lower part of the field edge receiver 4 by a clip 5 as an attachment member. (Not shown) is supported.

  The hanger 3 integrally includes a horizontal upper piece 3A through which the suspension bolt 2 is inserted and a hook portion 3B for hooking the field edge receiver 4. Further, with the suspension bolt 2 inserted through the upper piece 3A, nuts 7 and 7A are screwed onto the suspension bolt 2 above and below the upper piece 3A, and the upper piece 3A is sandwiched between the nut nuts 7 and 7A. I am doing so.

  The clip 5 integrally includes an upper suspension portion 5A that is hooked on the field edge receiver 4 and a lower engagement portion 5B that is engaged with the field edge 6.

  Hereinafter, the band 11 used for the ceiling structure of the present invention will be described. As shown in FIGS. 3 and 4, the band 11 is made of synthetic resin or the like, and integrally includes a band-shaped band portion 12 having flexibility and a lock portion 13 provided at one end of the band portion 12. The tip 12A of the portion 12 is sharply formed so as to be easily inserted. Further, the lock portion 13 is provided with an insertion locking hole 14, and the lock portion 13 has a band portion 12 inserted through the insertion locking hole 14 in the previous period to be locked in the insertion locking hole 14, and on the loose side. It locks so as not to return. In this case, a locking tooth row (not shown) for locking to the insertion locking hole 14 is provided on both sides of the band portion 12 in the width direction, or the insertion locking hole 14 is provided on one side surface in the thickness direction of the band portion 12. It is possible to provide a locking tooth row (not shown) for locking to the door so as not to return to the loose side. Further, a suspension bolt insertion hole 15 serving as a suspension bolt fixing portion is provided on the lock portion 13 side of the band portion 12, and a peripheral portion 16 of the insertion hole 15 is thicker than the band portion 12, It is formed in a ring shape larger than the width, and acts as a washer for the nut 7.

Next, a method for using the band 11 will be described. The upper nut 7 is screwed into the lower end of the suspension bolt 2, the lower end of the suspension bolt 2 is inserted into the insertion hole 15 below the nut 7, and the lower end is inserted into the upper piece 3A below this, The nut 7A is screwed, and the peripheral portion 16 of the band portion 12 and the upper piece 3A are sandwiched between the nuts 7 and 7A. Thereby, the band 11 is fixed to the suspension bolt 2. Thereafter, according to a standard method, the field edge receiver 4 is attached to and supported by the hanger 3, and the field edge 6 is attached under the field edge receiver 4 by the clip 5.

  Thereafter, the band portion 12 is hung on the field edge 6, the tip 12 </ b> A is inserted into the insertion locking hole 14, the tip 12 </ b> A is pulled to tighten the ring of the band portion 12, and the field edge 6 is fixed to the suspension bolt 2 by the band 11. To do.

As described above, in this embodiment, the suspension bolt 2 that hangs down from the ceiling slab 1 that is the ceiling, the hanger 3 that is attached to the lower portion of the suspension bolt 2 and supports the field receiver 4, and the lower portion of the field receiver 4 In the ceiling structure provided with the field edge 6 attached by the clip 5 as the attachment member and the ceiling fall prevention band 11 for connecting the suspension bolt 2 and the field edge 6, the ceiling fall prevention band 11 has a band portion 12. When provided with a locking portion 13 to prevent return of the band portion 12 in the insertion and engaged side loosen the band portion 12, and a bolt insertion hole 15 hanging serving hanger bolt fixing part fixed to the hanger bolts 2, hanger 3 includes an upper piece 3A through which the suspension bolt 2 is inserted and a hook portion 3B through which the field receiver 4 is hooked, and the suspension bolt fixing portion is a suspension bolt insertion hole 15 for suspension bolts. The peripheral portion 16 of the through hole is thicker than the band portion 12, the suspension bolt 2 is inserted into the upper piece 3 </ b> A and the suspension bolt insertion hole 15, and the peripheral portion 16 is formed by the upper and lower nuts 7, 7 </ b> A screwed to the suspension bolt 2. In order to sandwich the upper piece 3 </ b> A, the band 11 is fixed to the suspension bolt 2 by the insertion hole 15 , the band portion 12 is wound around the field edge 6, and the band portion 12 is locked to the lock portion 13. Thereby, even if the field edge 6 comes off from the field edge receiver 4, the field edge 6 is held by the suspension bolt 2 via the band 11, and the fall of the ceiling surface can be prevented. Further, since the peripheral portion 16 of the insertion hole 15 is thicker and wider than the other portions, the strength of the insertion hole 15 can be improved. Further, the peripheral portion 16 is compressed in between the upper piece 3A and the nut 7, as with washers achieve the locking effect of the nut 7.

FIG. 5 shows a second embodiment of the present invention, in which the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. In this example, the band 11 is fixed to the suspension bolt 2 by the insertion hole 15 , the band portion 12 is wound around the field edge receiver 4, and the band portion 12 is locked to the lock portion 13, whereby the suspension bolt 2 and the field edge are secured. The receiver 4 is connected by the band 11, and the field receiver 4 can be prevented from being detached from the hanger 3, and the same operations and effects as in the first embodiment can be achieved.

In addition, this invention is not limited to the said Example, A various deformation | transformation implementation is possible. For example, a band portion may be wound around the field edge receiver and the field edge at the intersection between the field edge receiver and the field edge, and both the field edge receiver and the field edge may be connected to the suspension bolt. Further, although the band is wound on the upper piece, the band may be wound under the upper piece and fixed to the upper piece with the lower nut.

1 Ceiling slab (ceiling)
2 Hanging bolt 3 Hanger (supporting member)
3A upper piece
3B Hook 4 Field edge 5 Clip (Mounting member)
6 Field edge 7 Nut 7A Nut 11 Band 12 Band part 13 Lock part 14 Insertion locking hole 15 Insertion hole for suspension bolt
16 Peripheral part of insertion hole for suspension bolt

Claims (1)

Wherein the hanger bolt hanging down from the ceiling, a support member for supporting the field edge receiving attached to a lower portion of the hanger rod, and ceiling joists mounted by a mounting member at the bottom of receiving the field edge, a front Symbol hanger rod ceiling joist Alternatively, in the ceiling structure including a ceiling fall prevention band that connects the field edge receiver, the ceiling fall prevention band is inserted and locked to the band portion and the band portion so that the band portion does not return to the loose side. A lock portion to be fixed to the suspension bolt, and a suspension bolt fixing portion to be fixed to the suspension bolt , and the support member integrally includes an upper piece through which the suspension bolt is inserted and a hook portion to hook the field receiver. The suspension bolt fixing portion is a suspension bolt insertion hole, and a peripheral portion of the suspension bolt insertion hole is thicker than the band portion, and the suspension bolt is inserted into the upper piece and the suspension bolt insertion hole. With a ceiling structure, characterized in that sandwiched the said peripheral portion upper piece by upper and lower nuts screwed into the hanger bolts.

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