JP5886579B2 - Folding plate roof bracket - Google Patents

Description

  The present invention relates to a hanging bracket for a folded plate roof.

  A tight plate roof is formed by attaching a tight frame on the horizontal member and fixing the folded plate material to the tight frame (see, for example, Patent Document 1). Conventionally, when a suspended object such as a ceiling is attached below the folded plate roof, a suspended metal fitting 100 is fixed to the folded plate roof 103 as shown in FIG. Be suspended.

  As shown in FIG. 9, this type of hanging metal fitting 100 is mainly composed of a thin plate metal material. The upper end of the hanging metal fitting 100 is bent, and a suspension bolt 104 for hanging the object to be suspended is attached to the lower end. As shown in FIG. 10, the hanging metal fitting 100 is attached such that the bent upper end 101 is wound around the joint fixing portion 102 of the folded plate roof 103.

JP 2008-16374 A

  By the way, the upper end 101 of the suspension metal fitting 100 is only fixed by being wound around the joint fixing portion 102 of the folded plate roof 103. Therefore, in this structure, when the suspended object swings due to an earthquake or the like, the resistance to the swing in the longitudinal direction (direction along the vertical surface of the suspension fitting 100) of the joint fixing portion 102 is appropriate. However, there was almost no resistance against shaking in a direction orthogonal to the vertical plane of the hanging metal fitting 100. Therefore, in the structure using the conventional hanging metal fitting 100, the object to be suspended may swing greatly when an earthquake or the like occurs.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a folded roof roof bracket that can reduce the swing of the suspended object as much as possible even when an earthquake or the like occurs. Is to provide.

The folded plate roof hanging metal fitting of the present invention is folded by locking the locked portions provided on both sides of the valley portion of the folded plate material to the locking portions provided on the inclined surface of the convex portion of the tight frame. It is a hanging metal fitting used to suspend a suspended object from the folded plate roof, in which a sheet roof is formed, and is disposed below a valley portion of the folded sheet material, and is a suspended body for suspending the suspended object And a pair of side surfaces erected at both ends of the lower surface portion in a direction parallel to the longitudinal direction of the folded plate material, and in the short direction of the folded plate material at the pair of side surface portions. on both sides in the direction parallel, wherein the engaging portions respectively engaging in the engaged portion of both sides of the valley of the folding plate is provided.

The hanging metal fitting the folding plate for a roof, the first bracket and the second bracket is coupled detachably to the first bracket, to be engaged portion of one side of the valley folding plate It is preferable that a first engagement portion to be engaged is provided, and a second engagement portion to be engaged with a locked portion on the other side of the valley portion of the folded plate member is provided in the second metal fitting. .

  According to the hanging member for folded plate roof of the present invention, even when an earthquake or the like occurs, the swing of the suspended object can be reduced as much as possible.

It is a perspective view of the hanging bracket for folded-plate roofs of this embodiment. It is a front view of the state which attached the hanging bracket for folded-plate roofs of this embodiment to the folded-plate roof. It is a figure of the 1st metal fitting of this embodiment, (a) is a top view, (b) is a front view, (c) is a side view. It is a figure of the 2nd metal fitting of this embodiment, (a) is a top view, (b) is a front view, (c) is a side view. It is sectional drawing of the folded-plate roof which attaches the hanging metal fittings for folded-plate roof of this embodiment. It is the perspective view which fractured | ruptured partially the tight frame of the said folded-plate roof. It is a perspective view of the folded-plate material of the said folded-plate roof. It is a perspective view which shows the attachment structure of the to-be-suspended thing of this embodiment. It is a perspective view of the hanging metal fitting of a prior art example. It is a reference figure of the attachment state of the conventional hanging metal fitting.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  As shown in FIGS. 2 and 5, the folded plate roof suspension metal fitting of the present embodiment (hereinafter referred to as the suspension metal fitting 5) is provided on the engaging portion 24 provided on the inclined surface 23 of the convex portion 21 of the tight frame 2. The folding plate material 3 is attached to the folded plate roof 1 formed by locking the locked portions 41 provided on both sides of the valley portion 31 of the folded plate material 3.

  The tight frame 2 is placed on a horizontal member (not shown) such as a purlin and fixes the folded plate member 3. The tight frame 2 is formed by bending a metal plate such as a strip steel plate. As shown in FIG. 6, the tight frame 2 includes a convex portion 21 having a reverse U-shape when viewed from the front, and a fixing portion 22 extending from the lower ends on both sides of the convex portion 21 in the longitudinal direction. ing. In the tight frame 2 of the present embodiment, the fixing portion 22 is placed on the horizontal member, and in this state, the horizontal member and the fixing portion 22 are fixed by welding or the like.

  The convex portion 21 includes a substantially horizontal plate-like top portion 25 and leg portions 26 extending obliquely outwardly from both end portions of the top portion 25. Each leg portion 26 is inclined, and a locking portion 24 is provided on the inclined surface 23 thereof. The locking portion 24 protrudes obliquely downward from the inclined surface 23 of the leg portion 26. The locking part 24 is formed by cutting and raising a part of the leg part 26, for example. The locking part 24 of the present embodiment is provided below the first locking part 241 provided above the center of the leg part 26 in the vertical direction and below the center of the leg part 26 in the vertical direction. A second locking portion 242.

  A plurality of tight frames 2 are arranged adjacent to each other in a substantially straight line along the longitudinal direction of the horizontal member, and a plurality of tight frames 2 are arranged side by side in a direction perpendicular to the longitudinal direction. The tight frames 2 separated in the direction orthogonal to the longitudinal direction of the horizontal member are arranged so as to be substantially parallel to each other. Thereby, the convex part 21 of the tight frame 2 is arranged on the substantially same straight line in a direction parallel to the longitudinal direction of the horizontal member, and is substantially separated in a direction perpendicular to the longitudinal direction of the horizontal member. Line up on the same straight line. The direction in which the tight frames 2 are arranged side by side (that is, the direction perpendicular to the longitudinal direction of the horizontal member) is the roof gradient direction.

  Regarding the tight frame 2, a plurality of tight frames 2 may be arranged in a straight line, and the convex portions 21 may be arranged in parallel, or one tight frame 2 having the plurality of convex portions 21 may be arranged.

  In addition, the horizontal member can be a main building or a beam (including a small beam) of the building. The horizontal member is constituted by, for example, an H-shaped rope, a C-shaped rope, a lip groove rope, or the like.

  The folded plate material 3 is formed by bending a metal plate such as a coated steel plate or a galvanized steel plate. The folded plate material 3 is formed long in the roof gradient direction (flow direction). As shown in FIG. 7, the folded plate member 3 is formed in a substantially U-shaped cross section, and is formed from a flat valley portion 31 and both side end portions (both end portions in a direction perpendicular to the roof gradient direction). Each of the half halves 33 and 37 protrudes obliquely upward. A pair of step portions 32 is formed in the valley portion 31 over substantially the entire length in the longitudinal direction of the folded plate material 3 by bending.

  One peak half 33 (the right side in FIG. 7) has an inclined portion 34 that protrudes obliquely upward from one side end of the valley portion 31 outward (on the opposite side to the valley portion 31), and this inclination. A top portion 35 that protrudes substantially horizontally from the upper end of the portion 34 toward the outer side (opposite to the valley portion 31), and a substantially inverted U-shaped cross section that protrudes upward from the end portion of the top portion 35. Part 36.

  The other half half body 37 (left side in FIG. 7) has an inclined portion 38 that protrudes obliquely upward from one side end of the valley portion 31 outward (on the opposite side to the valley portion 31), and this inclination. A top portion 39 projecting substantially horizontally from the upper end of the portion 38 toward the outer side (opposite to the valley portion 31), and a cross-section substantially L-shaped fitting projecting upward from the end portion of the top portion 39 And a joint portion 40.

  The inclined portions 34 and 38 of the mountain half bodies 33 and 37 have locked portions 41 and 41, respectively. The locked portions 41 and 41 are formed by bending a part of the inclined portions 34 and 38 in a step shape so as to protrude to the back surface side. The locked portion 41 is formed below the first locked portion 401 formed above the vertical center of the inclined portions 34 and 38 and below the vertical center of the inclined portions 34 and 38. The second locked portion 402 is provided. The locked portion 41 is formed over the entire length of the folded plate material 3 in the longitudinal direction.

  The folded plate roof 1 is laid as follows, for example.

  The installer first fixes a plurality of tight frames 2 on the horizontal member of the building. At this time, the fixing portion 22 of the tight frame 2 is placed on the horizontal member, and the fixing portion 22 is joined by welding or the like. The installer places a plurality of tight frames 2 side by side in the longitudinal direction of the horizontal member, and arranges the tight frames 2 side by side over substantially the entire length of the horizontal member (the direction perpendicular to the roof gradient direction). In this way, the installer sequentially attaches the tight frame 2 on the plurality of horizontal members.

  Next, the installer constructs one folded plate material 3 on the plurality of tight frames 2 separated in the roof gradient direction. At this time, it arrange | positions so that the folded-plate material 3 may be covered on the tight frame 2 from an upper side, and the trough part 31 of the folded-plate material 3 is located between the convex parts 21 which the said tight frame 2 adjoins.

  Next, one peak half half 33 of the folded plate member 3 is connected to one convex portion 21 adjacent thereto, and the other peak half half 37 of the folded plate member 3 and the other convex portion adjacent thereto are connected. 21 (see FIG. 5). At this time, the first locked portion 401 provided in the peak portion halves 33 and 37 is locked to the tip (lower end) of the first locking portion 241 provided in the convex portion 21. Further, the second locked portion 402 provided in the mountain half halves 33 and 37 is locked to the tip (lower end) of the second locking portion 242 provided in the convex portion 21.

  As a result, the half halves 33 and 37 on both sides of the folded plate material 3 are held by the tight frame 2. At this time, the top portions 35 and 39 of the peak half halves 33 and 37 of the folded plate member 3 are arranged above the top portion 25 of the convex portion 21.

  Next, the installer arranges another adjacent folded plate material 3 in the same manner. At this time, it arrange | positions so that the fitting part 40 of the other adjacent folding plate material 3 may be covered with the to-be-fitted part 36 of the folding plate material 3 already arrange | positioned. The installer then fixes the fitting portion 40 and the fitting portion 36 of the folded plate material 3 that overlap in a direction perpendicular to the roof gradient direction.

  The tight frame 2 according to the present embodiment is not provided with a hanging element, but the hanging frame may be attached to the tight frame 2. In this case, the fitting portion 40 and the fitted portion 36 are fastened together with the suspension.

  Thereafter, the folded plate material 3 is fixed in the same manner in a direction perpendicular to the roof gradient direction. This operation is repeated over the entire surface of the roof, whereby the folded plate roof 1 having an angular cross section is formed.

  Note that the folded plate material 3 does not have to be joined by brazing, and may be fixed by, for example, bolting or a fitting method.

  In order to suspend the article to be suspended 9 from the folded plate roof 1, a hanging metal fitting 5 is attached to the folded plate roof 1 having such a configuration.

  As shown in FIG. 2, the hanging metal fitting 5 is attached to the folded plate roof 1 by being locked to the locked portions 41 located on both sides of the valley portion 31 of the folded plate material 3 while being sandwiched from both sides. It is done. The hanger 5 includes a hanger main body 50 constituted by the first metal hanger 6 and the second metal hanger 7, engaging portions 51 provided at both ends in the longitudinal direction of the hanger main body 50, and the hanger main body 50. And suspension body attaching portions 69 and 79 to which the suspension body 8 for suspending the suspended object 9 is attached.

  The engaging portion 51 is provided on each of the first metal fitting 6 and the second metal fitting 7. Hereinafter, the engaging portion 51 provided on the first metal fitting 6 is referred to as a first engaging portion 67, and the engaging portion 51 provided on the second metal fitting 7 is referred to as a second engaging portion 77.

  As shown in FIG. 1, the hanger body 50 has a substantially U-shaped cross-section with an upper opening, and is formed by bending a metal plate. The hanger body 50 is divided into a first metal fitting 6 and a second metal fitting 7, and is configured by detachably connecting the first metal fitting 6 and the second metal fitting 7.

  As shown in FIG. 3, the first metal fitting 6 includes a lower surface portion 61 having a rectangular shape in plan view and side surface portions 62 erected from both ends of the lower surface portion 61 in the width direction. The 1st metal fitting 6 has the 1st connection part 63 connected to the 2nd metal fitting 7 in one edge part of a longitudinal direction. The first connection portion 63 has a pair of connection pieces 64 that protrude outward from the longitudinal end portion of the side surface portion 62. The connecting piece 64 has a fastener insertion hole 65 formed therein. The lower surface portion 61 is provided with a suspended body attaching portion 69 to which the suspended body 8 is attached. The suspended body attaching portion 69 of this embodiment includes a through hole 691 penetrating in the vertical direction and a nut 692 fixed to the upper surface of the lower surface portion 61 so as to communicate with the through hole 691.

  The first metal fitting 6 is provided with a first engagement portion 67 at the other end in the longitudinal direction. The first engaging portion 67 is locked to the second locked portion 402 of the mountain half 33 on one side of the folded plate material 3. The first engaging portion 67 is provided at the upper end of the first abutting portion 66 and the first abutting portion 66 that abuts on the base end portion 42 of the inclined portion 34 of the mountain half 33 of the folded plate material 3. The first locking claw 68 is provided. The first abutting portion 66 is inclined along the base end portion 42 of the inclined portion 34 of the folded plate material 3. The first engaging portion 67 is configured by the end portions of the pair of side surface portions 62 that are separated from each other, and thereby has a certain width.

  As shown in FIG. 4, the second metal fitting 7 includes a lower surface portion 71 having a rectangular shape in plan view, and side surface portions 72 erected from both ends of the lower surface portion 71 in the width direction. The second metal fitting 7 has a second connection portion 73 connected to the first connection portion 63 of the first metal fitting 6 at one end in the longitudinal direction. The second connection portion 73 has a pair of connection pieces 74 that protrude outward from the longitudinal end portion of the side surface portion 72. The connecting piece 74 has a fixing tool insertion hole 75 formed therein. The lower surface portion 71 is provided with a suspended body attaching portion 79 to which the suspended body 8 is attached. In the same manner as the first metal fitting 6, the suspended body attaching portion 79 of the present embodiment includes a through hole 791 penetrating in the vertical direction and a nut 792 fixed to the upper surface of the lower surface portion 71 so as to communicate with the through hole 791. I have.

  The second metal fitting 7 is provided with a second engaging portion 77 at the other end in the longitudinal direction. The second engaging portion 77 is locked to the second locked portion 402 of the mountain half half 37 on the other side of the folded plate material 3. The second engagement portion 77 is provided on the upper end of the second contact portion 76 and the second contact portion 76 that contacts the base end portion 42 of the inclined portion 38 of the peak half half 37 of the folded plate member 3. The second locking claw 78 is provided. The second contact portion 76 is inclined so as to follow the base end portion 42 of the inclined portion 34 of the folded plate material 3. The second engaging portion 77 is constituted by the end portions of the pair of side surface portions 72 that are separated from each other, and thereby has a certain width.

  The suspension metal fitting 5 having such a configuration is configured so that both the fixing tool insertion holes 65, the connection piece 64 of the first metal fitting 6 and the connection piece 74 of the second metal fitting 7 are in contact with or opposed to each other. The first metal fitting 6 and the second metal fitting 7 are connected by inserting a bolt into 75 and screwing the nut. The hanging metal fitting 5 has a dimension L1 between the first locking claw 68 and the second locking claw 78 facing each other so that the protruding tip to the surface side of the locked portion 41 on both sides of the folded plate member 3 has a length L1. It is formed so as to be approximately the same as the dimension L2 between the back surfaces (or slightly shorter than that).

  The hanging metal fitting 5 has a dimension L1 between the first locking claw 68 and the second locking claw 78 facing the screw L of bolts and nuts inserted into the fastener insertion holes 65 and 75. It can be adjusted according to the condition. In other words, the bolts and nuts constitute length adjusting means having a dimension L1 between the opposed portions between the first locking claw 68 and the second locking claw 78.

  In order to attach the hanging metal fitting 5 to the folded plate roof 1 having the above-described configuration, construction is performed as follows.

  First, the installer grips the first metal fitting 6, and uses the first engaging claw 68 of the first engaging portion 67 to connect the second inclined portion 34 of the one half portion 33 of the folded plate member 3. It is held in a state where it is hooked on the locked portion 402. Thereafter, the installer grips the second metal fitting 7 and holds the second engaging claw 78 of the second engaging portion 77 of the inclined portion 38 of the other mountain half 37 of the folded plate member 3. The connection piece 74 of the second metal fitting 7 is opposed to the connection piece 64 of the first metal fitting 6 by being hooked on the second locked portion 402. Thereafter, a bolt (fixing tool) is inserted into the fixing tool insertion holes 65 and 75 to connect the first metal fitting 6 and the second metal fitting 7.

  Thereafter, the suspension body 8 is attached to any suspension body attachment portion 69 (79) of the suspension fitting 5. The suspension body 8 of the present embodiment is composed of suspension bolts 81 and is attached by screwing onto the suspension body attachment portion 69 (79) of the suspension metal fitting 5 from below. As shown in FIG. 8, the suspended object 9 is attached to the suspension bolt 81.

  The suspended article 9 includes, for example, a ceiling material 91, an air conditioner, duct piping, a wiring duct, and the like. In addition, as the thing 9 to be suspended, any one of these may be sufficient and what combined several types may be sufficient. Hereinafter, the case where the ceiling material 91 is used as the suspended article 9 will be described.

  As shown in FIG. 8, the ceiling material 91 includes a ceiling surface plate 92, a plurality of field edges 93 arranged in parallel to each other on the upper surface of the ceiling surface plate 92, and the length of the field edge 93 on the upper surface of the field edge 93. A field edge receiver 94 is provided in a direction perpendicular to the direction. The field edge 93 and the field edge receiver 94 are made of, for example, channel steel (so-called channel), and are fixed to each other.

  As shown in FIG. 8, an inverted L-shaped hanger 95 is attached to the field edge receiver 94. The hanger 95 includes a fixing portion 96 provided at the lower portion and fixing the hanger 95 to the field edge receiver 94, and a connecting portion 97 provided at the upper portion and coupled to the lower end portion of the suspension body 8.

  The ceiling material 91 has a brace material 98 for preventing the ceiling face plate 92 from shaking. The brace material 98 is composed of a reinforcing member that is long in one direction. The end portion of the brace material 98 located on the upper side is fixed to the upper end portion of the suspension bolt 81 (just below the suspension fitting 5), and the end portion located on the lower side is fixed to the field edge receiver 94. The brace member 98 is made of, for example, groove steel (so-called channel) or equilateral angle steel (so-called angle).

  In such a structure on the ceiling, when an earthquake or the like occurs and the ceiling face plate 92 swings in the horizontal direction, the horizontal swing is restricted by the field edge receiver 94, the brace material 98, and the suspension bolt 81. At this time, the force of this vibration is transmitted to the suspension fitting 5 via the suspension bolt 81.

  The hanging bracket 5 of the present embodiment is firmly attached by engaging portions 51 so as to be sandwiched from both outer sides by the engaged portions 41 and 41 on both sides of the valley portion 31 of the folded plate material 3. . For this reason, it is possible to prevent the suspension fitting 100 itself from swinging like the conventional suspension fitting 100, and therefore, the swing of the ceiling member 91 can be restricted.

  Moreover, since the 1st metal fitting 6 and the 2nd metal fitting 7 are connected so that attachment and detachment of the suspension metal fitting 5 of this embodiment are detachable, a construction worker attaches a pair of engaging parts 51 and 51 to both sides of the folded plate material 3. It becomes easy to attach to the to-be-latched part 41 so as to be latched from the outside.

  Moreover, the hanging metal fitting 5 of the present embodiment is such that the first contact portion 66 of the first metal fitting 6 and the base end portion 42 of the one half half 33 of the folded plate material 3 are in contact, and the second metal fitting. 7 and the base end portion 42 of the other half half 37 of the folded plate member 3 are in contact with each other, so that they are more stably and firmly attached.

  Further, in the hanging metal fitting 5 of the present embodiment, the locked portions 24 provided on both sides of the valley portion 31 of the folded plate member 3 are provided on the locking portions 24 provided on the inclined surface 23 of the convex portion 21 of the tight frame 2. In the folded-plate roof 1 formed by latching, it can attach using this to-be-latched part 41. FIG. For this reason, the hanging metal fitting 5 of this embodiment can also be easily installed on the existing folded plate roof 1 as a retrofit.

  In addition, although the nuts 692 and 792 are previously welded to the suspension body attaching portions 69 and 79 of this embodiment, the nuts 692 and 792 may not be welded. Also, the hanging body 8 may not be fixed using a nut.

  Moreover, although the 1st metal fitting 6 and the 2nd metal fitting 7 were connected with the volt | bolt and the nut, the 1st metal fitting and the 2nd metal fitting in this invention, The connecting means is not limited to bolts and nuts. For example, a through hole may be provided in the connection piece of the first metal fitting, a female screw hole may be provided in the connection piece of the second metal fitting, and both may be coupled by a bolt. Further, the first metal fitting and the second metal fitting may be connected by caulking or may be connected by welding.

  Moreover, what connected the 1st metal fitting and the 2nd metal fitting through another member between the 1st metal fitting and the 2nd metal fitting may be sufficient. Further, the hanging bracket may be constituted by one member, and the folded plate roof or a part of the hanging bracket may be elastically deformed and attached.

DESCRIPTION OF SYMBOLS 1 Folded plate roof 2 Tight frame 21 Convex part 22 Fixing part 23 Inclined surface 24 Locking part 241 1st locking part 242 2nd locking part 3 Folded plate material 31 Valley part 33 Mountain part half body 34 Inclined part 37 Mountain Part half body 38 Inclined portion 41 Locked portion 401 First locked portion 402 Second locked portion 5 Suspension bracket 50 Suspension tool body 51 Engagement portion 6 First bracket 67 First engagement portion 69 Suspended body mounting portion 7 Second fitting 77 Second engaging portion 8 Suspended body 81 Suspended bolt 9 Suspended object 91 Ceiling material

Claims (2)

Folded plate roof is formed by locking the locked portions provided on both sides of the valley of the folded plate material to the locked portions provided on the inclined surface of the convex portion of the tight frame. A hanging bracket used to suspend a suspended object,
A lower surface portion disposed below a valley portion of the folded plate material, and provided with a suspension for suspending the suspended object;
A pair of side surface portions erected on both ends of the lower surface portion in a direction parallel to the longitudinal direction of the folded plate material;
With
On both sides in a direction parallel to the lateral direction of the folding plate in the pair of side portions, a pair of engaging portions respectively engaging in the engaged portion of both sides of the valley of the folding plate is provided Folding plate roof hanging metal fittings. The hanging gold member has a first fitting and the second fitting are connected detachably,
The first fitting is provided with a first engagement portion that engages with a locked portion on one side of the valley portion of the folded plate material,
The folded metal roof hanging metal fitting according to claim 1, wherein the second metal fitting is provided with a second engaging portion that engages with a locked portion on the other side of the valley portion of the folded plate material. .

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