JP2014020186A - Earthquake-proof ceiling fitting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make dust and the like hardly adhere and preventing a suspended ceiling from falling due to breakage or destruction thereof while motion against shaking of the suspended ceiling is not obstructed, in an earthquake proof ceiling fitting structure provided with the suspended ceiling suspended and supported by a ceiling slab at a position at a spacing from a wall.SOLUTION: An earthquake proof ceiling fitting structure includes at least a first suspended ceiling 20A and a second suspended ceiling 20B arranged at a position lower than that of the first suspended ceiling 20A. Each of the first suspended ceiling 20A and a second suspended ceiling 20B has: a ceiling joist corbel 22 fixed to suspension bolts 12 via support metal fittings 24, and the suspension bolts 12 being attached at proper intervals to a ceiling slab 11 in advance; ceiling joist materials 23 fixed in a direction orthogonal to the ceiling joist corbel 22; and a ceiling material 21 attached to undersides of the ceiling joist materials 23. Blocking means 50 is provided between the first suspended ceiling 20A and the second suspended ceiling 20B.

Description

  The present invention relates to a seismic ceiling mounting structure including suspended ceilings having different heights.

  In recent years, in order to prevent a ceiling base material or a ceiling material from vibrating due to an earthquake, etc., to collide with the side wall and fall off, the earthquake resistance provided with a suspended ceiling supported on the ceiling at a position spaced from the side wall. A ceiling mounting structure may be used.

  For example, in Patent Document 1, a ceiling base material that is suspended and supported by a suspension member at a distance from a side wall, a ceiling plate that is supported by the ceiling base material, and a ceiling base material that is fixed to and opposed to the side wall. A ceiling structure is disclosed that includes a parting material that covers the end of the ceiling base material and the end of the ceiling plate, and a blindfold member that protrudes from the side wall above the gap between the side wall and the parting material. .

  Further, in Patent Document 2, the main ceiling foundation is provided in a suspended state so as to be positioned away from the wall, and the ceiling peripheral side foundation is provided in the peripheral portion of the main ceiling foundation, independently of the main ceiling foundation. It is fixed to the wall so that it is located on the upper or lower side of the base, and the main ceiling board is attached to the main ceiling base. There is disclosed a structure in which a heat insulating material and a curtain are provided in a gap between a main ceiling board and a ceiling peripheral board, and are attached so as to partially overlap each other at a certain interval in the direction.

JP 2008-95353 A JP 2005-133440 A

  However, the ceiling structure described in Patent Document 1 has a problem in that a gap exists between the parting material and the blindfold member, and this gap becomes a passage for air, and dust and the like are easily attached.

  In this regard, if a heat insulating material and a curtain are provided in the gap between the main ceiling board and the ceiling peripheral board as in the structure described in Patent Document 2, the gap can be closed. However, in the structure described in Patent Document 2, when a large earthquake occurs and shakes in the lateral direction, the heat insulating material and the curtain prevent the original movement of the main ceiling foundation and the main ceiling board from shaking, and the main ceiling board Could fall due to damage or destruction.

  Therefore, the present invention provides a seismic ceiling mounting structure provided with a suspended ceiling that is suspended and supported on the ceiling at a position spaced from the side wall. It is an object to prevent the suspended ceiling from falling due to breakage or destruction without being obstructed.

  The present invention has been made to solve the above-described problems, and is characterized by the following.

(Claim 1)
The invention described in claim 1 is characterized by the following points.

  That is, the earthquake-resistant ceiling mounting structure according to claim 1 includes at least a first suspended ceiling and a second suspended ceiling disposed at a position lower than the first suspended ceiling, wherein the first suspended ceiling is provided. The suspended ceiling and the second suspended ceiling are fixed in a direction perpendicular to the field edge receiving material, and a field edge receiving material fixed to a suspension bolt, which is attached to the ceiling slab in advance at appropriate intervals, via a support bracket. And a ceiling member attached to the lower surface of the field edge member, and a closing means is provided between the first suspended ceiling and the second suspended ceiling. .

(Claim 2)
The invention described in claim 2 has the following features in addition to the features of the invention described in claim 1 described above.

  That is, of the first suspended ceiling and the second suspended ceiling, one suspended ceiling is joined to a side wall by fixing the field receiving member with a fixing bracket, and the other suspended ceiling is Further, it is characterized in that it is arranged with a gap with respect to the side wall.

(Claim 3)
The invention described in claim 3 is characterized by the following points in addition to the characteristics of the invention described in claim 1.

  In other words, the first suspended ceiling and the second suspended ceiling constitute a descending ceiling.

(Claim 4)
The invention according to claim 4 is characterized by the following points in addition to the features of the invention according to any one of claims 1 to 3.

  That is, the closing means is fixed downward to a closing means fixing portion provided near the edge of the first suspended ceiling, and slides on the parting material fixed to the edge of the second suspended ceiling. It is characterized by contact in a movable manner.

(Claim 5)
The invention according to claim 5 is characterized by the following points in addition to the features of the invention according to any one of claims 1 to 4.

  That is, the ceiling material is formed of an aluminum spandrel.

  The present invention is as described above, and the first suspended ceiling and the second suspended ceiling are provided so as to be separate and different in height, so even when an earthquake occurs and shakes in the lateral direction, By providing a gap between the first suspended ceiling and the second suspended ceiling, it is difficult to collide with each other, and the suspended ceiling can be prevented from falling due to breakage or destruction.

  Moreover, since the ceiling material is provided in the 1st suspended ceiling and the 2nd suspended ceiling, a sense of unity is born and the design property is good.

  Further, since the closing means is provided between the first suspended ceiling and the second suspended ceiling, the gap can be closed by the closing means, and the aesthetic appearance is not impaired.

  Further, by providing the closing means, airtightness can be maintained between the first suspended ceiling and the second suspended ceiling, and dust and the like can be made difficult to adhere by reducing the passage of air. it can.

  Note that one suspended ceiling of the first suspended ceiling and the second suspended ceiling may be joined to the side wall by fixing the edge receiving material with a fixing bracket. If comprised in this way, since a suspended ceiling is integrated with a side wall, it can fix firmly. At this time, the other suspended ceiling may be arranged with a gap with respect to the side wall. If comprised in this way, the other suspended ceiling arrange | positions by providing a clearance from a side wall, and it is difficult for the other suspended ceiling to collide with a side wall, and it can prevent the suspended ceiling falling by breakage and destruction.

  The closing means is fixed downward to a closing means fixing portion provided in the vicinity of an edge of the first suspended ceiling, and slides against a parting material fixed to the edge of the second suspended ceiling. You may make it contact so that movement is possible. If comprised in this way, since the closing means is fixed only to the first suspended ceiling and is not fixed to the second suspended ceiling, the closing means may hinder the movement of the second suspended ceiling. Absent.

  Moreover, you may comprise the said ceiling material with an aluminum spandrel. If comprised in this way, it can form with the same material as a parting material and a ceiling material, and can provide the design with a sense of unity.

It is a side view of the earthquake-proof ceiling mounting structure which concerns on 1st Embodiment. It is a top view of the earthquake-proof ceiling mounting structure which concerns on 1st Embodiment. It is AA sectional drawing in FIG. FIG. 3 is a partially enlarged view of the AA cross-sectional view in FIG. 2. It is BB sectional drawing in FIG. FIG. 3 is a partially enlarged view of a BB cross-sectional view in FIG. 2. It is a perspective view of a blocking material. It is a side view of the earthquake-proof ceiling mounting structure which concerns on 2nd Embodiment. It is a side view of the earthquake-proof ceiling mounting structure which concerns on 3rd Embodiment. It is the external view which looked at the earthquake-resistant ceiling mounting structure which concerns on 3rd Embodiment from diagonally downward. It is CC sectional drawing in FIG. It is a partially expanded view of CC sectional drawing in FIG. It is DD sectional drawing in FIG. It is a partially expanded view of DD sectional drawing in FIG.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the seismic ceiling mounting structure according to the present embodiment includes a first suspended ceiling 20A and a second suspended ceiling 20B arranged at a position lower than the first suspended ceiling 20A. I have.

  The first suspended ceiling 20 </ b> A and the second suspended ceiling 20 </ b> B include a field edge receiving member 22 fixed to a suspension bolt 12 that is attached to the ceiling slab 11 at an appropriate interval in advance via a support bracket 24, and the field A field edge material 23 fixed in a direction perpendicular to the edge receiving material 22 and a ceiling material 21 attached to the lower surface of the field edge material 23 are provided.

  As shown in FIGS. 3 and 4, the support bracket 24 has an upper end fixed to the suspension bolt 12, and a holding portion having a substantially U-shaped cross section that opens upward is formed at the lower portion of the support bracket 24. 24a is formed. And it is formed so that the field edge receiving material 22 may be supported by engaging the field edge receiving material 22 inside the holding part 24a having a substantially U-shaped cross section.

  The field edge receiving material 22 is a long material formed by processing a steel plate or a stainless steel plate into a U shape. As shown in FIG. 4, a field edge holder 25 for holding the field edge material 23 at a predetermined interval in the longitudinal direction is attached to the field edge receiving material 22. The field edge receiving material 22 suspends and supports the field edge material 23 from above via the field edge material holder 25.

  The field edge material holder 25 is a U-shaped member attached so as to cover the field edge receiving material 22 from above, and both sides of the lower part have a notch shape as shown in FIG. By providing this notch shape on both lower sides of the field edge material holder 25, a claw-like engaging portion 25a protruding upward is formed.

  The field material 23 is a long material formed by processing a steel plate or a stainless steel plate. As shown in FIG. 4, the field material 23 opens upward, and the opening edge is bent at the opening. Thus, the engagement hook 23a is formed. The engagement edge 23 a engages with the engagement portion 25 a of the above-described field edge material holder 25, so that the field edge material 23 is fixed to the lower portion of the field edge receiving material 22.

  The ceiling material 21 is fixed to the lower part of the field edge material 23 so as to cover the lower surfaces of the suspended ceilings 20A and 20B. In this embodiment, an extrusion mold material made of aluminum is used.

  Here, as shown in FIG. 3, the first suspended ceiling 20 </ b> A is joined to the side wall 10 by the field edge receiving member 22 being fixed by an L-shaped fixing bracket 26, and is integrated with the side wall 10. At this time, a surrounding edge member 27 is attached to the gap between the ceiling member 21 and the side wall 10 to fill the gap between the ceiling member 21 and the side wall 10 and to prevent the end of the ceiling member 21 from being exposed. It is covered.

  The second suspended ceiling 20B is disposed with a gap with respect to the side wall 10 as shown in FIG. A suspended ceiling parting material 30 as shown in FIGS. 4 and 6 is fixed to a side edge of the second suspended ceiling 20B. The suspended ceiling parting material 30 includes a back plate portion 31 that forms a substantially vertical surface so as to cover the side surface of the second suspended ceiling 20B, and a first extension that extends horizontally from the upper end of the back plate portion 31. An extension part 32, a second extension part 33 extending substantially parallel to the first extension part 32 below the first extension part 32, and further below the second extension part 33 And a third extending portion 34 extending substantially in parallel with the second extending portion 33. The suspended ceiling parting material 30 uses an extruded mold member made of aluminum in the present embodiment.

  As shown in FIGS. 4 and 6, the first extension portion 32 is disposed above the upper surface of the second suspended ceiling 20B so as to overlap a part of the upper surface of the second suspended ceiling 20B. It covers the edge of the second suspended ceiling 20B. The upper surface of the first extending portion 32 forms a horizontal surface, and a closing material 50 described later is slidable.

  As shown in FIGS. 4 and 6, the second extension portion 33 is fixed to the lower surface of the field edge material 23 with a screw 39 while being inserted between the field edge material 23 and the ceiling material 21. is there. In this manner, the second extending portion 33 is fixed to the field material 23, whereby the suspended ceiling parting material 30 is fixed to the second suspended ceiling 20B.

  The third extending portion 34 is formed to have a smaller protruding amount than the first extending portion 32 and the second extending portion 33, and has an end portion refracted into an upward L-shape. As shown in FIGS. 4 and 6, the third extending portion 34 is disposed below the lower surface of the ceiling material 21 so as to overlap a part of the lower surface of the ceiling material 21. Covers the edges. Thereby, the edge part of the ceiling material 21 is arrange | positioned between the 2nd extension part 33 and the 3rd extension part 34, and cannot be visually recognized from the outside. As shown in FIGS. 4 and 6, on the inner surface of the back plate portion 31, a pair of projecting pieces 35 and a back plate portion projecting from the lower surface of the first extending portion 32 and the upper surface of the second extending portion 33. An insertion groove is provided on the inner surface of 31, and a joint material 38 for connecting the suspended ceiling parting materials 30 extending in the longitudinal direction is inserted into the insertion groove.

  The first suspended ceiling 20 </ b> A is disposed above the above-described suspended ceiling parting material 30, and a closing material holder 40 is provided immediately above the first extending portion 32 of the suspended ceiling parting material 30. Yes. The closing material holder 40 is fixed to the lower surface of the first suspended ceiling 20 </ b> A by screws 44.

  The closing material holder 40 is a long member having a substantially L-shaped cross section, a horizontal portion 41 that contacts the lower surface of the first suspended ceiling 20A, and a hanging portion that extends downward from the end of the horizontal portion 41. 42. A holding groove 43 that opens downward is formed at the lower end of the hanging part 42.

  By the way, in the earthquake-resistant ceiling mounting structure according to the present embodiment, since two types of suspended ceilings having different heights are provided, even when an earthquake occurs and shakes in the lateral direction, the first suspended ceiling 20A and Since there is a gap between the second suspended ceiling 20B and there is also a gap between the first suspended ceiling 20A and the suspended ceiling parting material 30, the first suspended ceiling 20A is the second suspended ceiling 20A. It is difficult to collide with the suspended ceiling 20B or the suspended ceiling parting material 30, and the problem that the suspended ceilings 20A and 20B fall is less likely to occur.

  Moreover, in this embodiment, as shown in FIGS. 3 and 5, the gaps S1 and S3 between the side wall 10 and the suspended ceiling parting material 30 support the suspended ceiling parting material 30 and the second suspended ceiling 20B. It is wider than the gaps S2 and S4 between the support bracket 24 and the support bracket 24. As a result, even if a large earthquake occurs and the second suspended ceiling 20B shakes in the lateral direction, the suspended ceiling parting material 30 does not easily collide with the side wall 10 and prevents the suspended ceilings 20A and 20B from falling due to breakage or destruction. be able to. Note that the dimensions of the gaps S1 and S3 are not limited to being wider than the gaps S2 and S4, and may be the same dimensions as the gaps S2 and S4.

  In the present embodiment, a closing material 50 as a closing means is provided between the first suspended ceiling 20A and the second suspended ceiling 20B. By providing this closing material 50, it is difficult to adhere dust or the like by keeping airtightness between the first suspended ceiling 20A and the suspended ceiling parting material 30 and reducing the passage of air.

  As shown in FIG. 7, the closing material 50 includes a flexible sheet portion 52 formed of vinyl chloride or the like, and a fitting portion 51 provided at one end edge of the sheet portion 52. By inserting the engaging portion 51 into the holding groove 43 of the closing material holder 40 and engaging it, the fitting portion 51 is attached downward near the tip of the closing material holder 40 (in the vicinity of the edge of the first suspended ceiling 20A). As shown in FIGS. 4 and 6, the contact surface between the holding groove 43 and the fitting portion 51 is formed with a check claw shape that meshes with each other in the retaining direction, and is attached to the closing material holder 40. The closing material 50 is formed so as not to easily fall off.

  Here, as shown in FIGS. 3 and 5, the end of the closing material holder 40 is located on the upper surface of the first extending portion 32 of the suspended ceiling parting material 30, and the sheet portion 52 of the closing material 50 The length is set longer than the distance between the lower end of the hanging part 42 of the closing material holder 40 and the upper surface of the first extension part 32 of the suspended ceiling parting material 30. For this reason, when the closing material 50 is fixed downward near the front end of the closing material holder 40, the sheet portion 52 of the closing material 50 is bent into an L shape so as to be placed on the upper surface of the first extension portion 32 of the suspended ceiling parting material 30. Thus, the space between the closing material holder 40 and the suspended ceiling parting material 30 is almost completely closed by the sheet portion 52 of the closing material 50. At this time, the sheet portion 52 of the closing material 50 is not fixed to the suspended ceiling parting material 30, and can slide on the suspended ceiling parting material 30 on the upper surface of the first extension part 32 of the suspended ceiling parting material 30. If the vibration such as an earthquake occurs in this state, the sheet portion 52 of the closing material 50 moves while sliding on the upper surface of the first extension portion 32 of the suspended ceiling parting material 30. . Moreover, since the shape of the seat portion 52 can be changed in accordance with the shape of the contact surface, the state where the space between the first suspended ceiling 20A and the suspended ceiling parting material 30 is closed is maintained regardless of the direction of shaking. can do.

  As described above, according to the present embodiment, since the first suspended ceiling 20A and the second suspended ceiling 20B are provided as separate bodies and different in height, an earthquake occurs and the horizontal direction Even if it sways, it is difficult to collide with each other because the gap is provided between the first suspended ceiling 20A and the second suspended ceiling 20B, and the suspended ceilings 20A and 20B are prevented from falling due to breakage or destruction. be able to.

  Further, since the ceiling material 21 is provided on the first suspended ceiling 20A and the second suspended ceiling 20B, a sense of unity is born and the design is good.

  Moreover, since the closing material 50 is provided between the first suspended ceiling 20A and the second suspended ceiling 20B, the gap can be closed with the closing material 50, and the aesthetic appearance is not impaired.

  Further, by providing the closing material 50, airtightness can be maintained between the first suspended ceiling 20A and the second suspended ceiling 20B, and dust and the like are less likely to adhere by reducing the passage of air. can do.

  In addition, the first suspended ceiling 20A is joined to the side wall 10 by fixing the field edge receiving member 22 with the fixing bracket 26, and the first suspended ceiling 20A is integrated with the side wall 10, so that the first suspended ceiling 20A is firmly Can be fixed.

  In addition, since the second suspended ceiling 20B is disposed with a gap with respect to the side wall 10, the second suspended ceiling 20B is difficult to collide with the side wall 10, and the suspended ceiling 20A, 20B is damaged or broken. Falling can be prevented.

  Further, the closing material 50 is fixed downward to a closing material holder 40 provided in the vicinity of the edge of the first suspended ceiling 20A, and the suspended ceiling parting material fixed to the edge of the second suspended ceiling 20B. 30 is slidably contacted. For this reason, since the closing material 50 is fixed only to the first suspended ceiling 20A and is not fixed to the second suspended ceiling 20B, the closing material 50 prevents the movement of the second suspended ceiling 20B. There is no.

  Moreover, since the ceiling material 21 is comprised with the aluminum spandrel, it can form with the same material as the suspension ceiling parting material 30 and the ceiling material 21, and can provide the design with a sense of unity.

  As described above, the first embodiment has both functionality and design.

(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIG. The feature point of this embodiment is that the height of the suspended ceiling fixed to the side wall 10 is set lower than the height of the suspended ceiling not fixed to the side wall 10.

  That is, in the above-described first embodiment, the higher suspended ceiling (first suspended ceiling 20A) is fixed to the side wall 10 with the fixture, but not limited thereto, as shown in FIG. The lower suspended ceiling (second suspended ceiling 20 </ b> B) may be fixed to the side wall 10 with a fixing bracket. In this case, the first suspended ceiling 20 </ b> A is arranged with a gap with respect to the side wall 10.

  Even when such a structure is employed, the same effects as those of the first embodiment can be obtained.

(Third embodiment)
A third embodiment of the present invention will be described with reference to FIGS. The feature point of this embodiment is that the first suspended ceiling 20A and the second suspended ceiling 20B constitute a descending ceiling.

  Since the basic configuration of the present embodiment is not different from that of the first embodiment, only the differences will be described while avoiding overlapping descriptions when describing the present embodiment.

  As shown in FIG. 9, the second suspended ceiling 20 </ b> B according to the present embodiment has a substantially vertical rising at the other end separated from the side wall 10, and a falling wall is formed by this rising. Specifically, as shown in FIG. 11 and FIG. 13, the ceiling material 21 rises substantially vertically at the other end portion of the second suspended ceiling 20 </ b> B via the protruding corner peripheral material 28, and the vertical wall surface (Down wall) is formed.

  In addition, the edge of the ceiling member 21 is not exposed by covering with the protruding corner peripheral member 28.

  A suspended ceiling parting material 30 is fixed to the upper end portion of the descending wall. As shown in FIGS. 12 and 14, the suspended ceiling parting material 30 is used by rotating the suspended ceiling parting material 30 used in the first and second embodiments by 90 degrees, and the back plate portion 31 is provided. It is attached to the first suspended ceiling 20A so as to form an upper surface.

  Also in the present embodiment, a closing material holder 40 is provided in the vicinity of the edge of the first suspended ceiling 20A. By attaching the closing material 50 to the closing material holder 40, the first suspended ceiling 20A and A closing material 50 is provided between the second suspended ceiling 20B. And like 1st Embodiment, the sheet | seat part 52 of the closing material 50 will be bent in L shape, and will be in the state mounted on the upper surface of the 1st extension part 32 of the suspended ceiling parting material 30, and a suspended ceiling parting material The upper surface of 30 is slidably in contact.

  According to the above configuration, the first suspended ceiling 20 </ b> A and the second suspended ceiling 20 </ b> B can form a descending ceiling. Even in such a descending ceiling structure, the same effects as those of the first embodiment can be obtained. Can be obtained.

  The suspended ceiling parting material 30 can be used in the structure of the first embodiment, the structure of the second embodiment, or the third embodiment by simply changing the direction. There is no need to prepare what you need. That is, the number of members can be reduced, and the manufacturing cost can be reduced.

DESCRIPTION OF SYMBOLS 10 Side wall 11 Ceiling slab 12 Hanging bolt 20A 1st suspended ceiling 20B 2nd suspended ceiling 21 Ceiling material 22 Field edge receiving material 23 Field edge material 23a Engagement hook 24 Support metal fitting 24a Holding part 25 Field edge material holder 25a Engagement Joint part 26 Fixing bracket 27 Around edge material 28 Around edge edge material 30 Hanging ceiling parting material 31 Back plate part 32 First extension part 33 Second extension part 34 Third extension part 35 Projection piece 38 Joint material 39 Screw 40 Closing material holder 41 Horizontal portion 42 Suspended portion 43 Holding groove (closing means fixing portion)
44 Screw 50 Closing material (closing means)
51 Insertion part 52 Sheet part 60 Side wall parting material

Claims (5)

Comprising at least a first suspended ceiling and a second suspended ceiling disposed at a position lower than the first suspended ceiling;
The first suspended ceiling and the second suspended ceiling are orthogonal to the field edge receiving material, and a field edge receiving material fixed to a suspension bolt, which is attached to the ceiling slab in advance at appropriate intervals, via a support metal fitting. A field material fixed in a direction to be fixed, and a ceiling material attached to the lower surface of the field material,
A seismic ceiling mounting structure, wherein a closing means is provided between the first suspended ceiling and the second suspended ceiling. Of the first suspended ceiling and the second suspended ceiling, one suspended ceiling is joined to the side wall by fixing the edge receiving material with a fixing bracket,
The earthquake-resistant ceiling mounting structure according to claim 1, wherein the other suspended ceiling is disposed with a gap with respect to the side wall.   The earthquake-resistant ceiling mounting structure according to claim 1, wherein a descending ceiling is constituted by the first suspended ceiling and the second suspended ceiling.   The closing means is fixed downward to a closing means fixing portion provided in the vicinity of an edge of the first suspended ceiling, and is slidable with respect to a parting material fixed to the edge of the second suspended ceiling. The earthquake-resistant ceiling mounting structure according to any one of claims 1 to 3, wherein the earthquake-proof ceiling mounting structure is in contact with.   The earthquake-resistant ceiling mounting structure according to any one of claims 1 to 4, wherein the ceiling material is made of an aluminum spandrel.

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