JP6209342B2 - Wall panel mounting device - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a mounting device for a hollow wall panel, and more particularly to a wall panel mounting for mounting a hollow wall panel to a through angle fixed to a beam of a building with a stepped mounting bracket and a backing plate. It relates to the device.

  As a conventional wall panel mounting device 70, one end side portion of the stepped mounting bracket 72 is overlapped on the outside of the abutting plate 71 in contact with the wall panel 61, and this overlapped portion is connected to the wall panel with a bolt 73 and a flat nut 74. The vertical portion 62a of the through angle 62 having an L-shaped cross section is pressed against the abutting plate 61 side at the other end side portion of the stepped mounting bracket 72 by the tightening force of the bolt 73, so-called elastic pressure contact force, so-called It is known that the through angle 62 and the stepped mounting bracket 72 are clamped and fixed so that they can be displaced relative to each other only by “spring action” (see, for example, Patent Document 1).

JP 2007-146405 A

  However, in the wall panel mounting device 60 described in Patent Document 1, the upper end surface 72s of the stepped mounting bracket 72 is in contact with the inner corner 62b formed in the R shape of the through angle 62 as shown in FIG. In this case, since the relative displacement between the through angle 62 and the stepped mounting bracket 72 is hindered, for example, the bolt 73 that fastens the stepped mounting bracket 72 and the contact plate 71 in the event of an earthquake. There was a problem that the bolt 73 may break due to excessive shear stress.

  To solve such a problem, the vertical portion 62a of the through angle 62 is extended to separate the upper end surface 72s of the stepped attachment fitting 72 from the inner corner portion 62b of the through angle 62, whereby the step attachment fitting 72 is provided. However, there is a problem that the through angle 62 is enlarged in proportion to the length of the vertical portion 62 a of the through angle 62.

  Therefore, there is a technical problem to be solved in order to reduce the shear stress acting on the bolt due to the relative displacement of the stepped mounting bracket and the through angle during an earthquake without increasing the through angle. The present invention aims to solve this problem.

The present invention has been proposed to achieve the above object, and the invention according to claim 1 is characterized in that a hollow wall panel is stepped on an L-shaped through angle fixed to a beam of a building. A wall panel mounting device that is mounted by a mounting bracket and a backing plate, and the overlapped portion obtained by superimposing one end side portion of the stepped mounting bracket and the backing plate is fastened to the wall panel with a bolt, and the outer surface of the backing plate is walled Place the contact angle between the other end of the stepped mounting bracket and the backing plate with a spacer interposed between the other end of the stepped mounting bracket and the through angle. The gap between the other end face of the stepped mounting bracket and the inner corner of the through angle is provided , and the spacer bulges the opposing surface that faces the through angle of the stepped mounting bracket to the through angle. Angle formed to allow surface contact Providing wall panel mounting device is abutting portion.

  According to this configuration, the other end portion of the stepped mounting bracket is separated from the through angle by the amount of the spacer provided, and there is a gap between the other end side end surface of the stepped mounting bracket and the inner corner portion of the through angle. Even if an external force is applied so that the stepped mounting bracket and the through angle are displaced relative to each other due to an earthquake, the other end face of the stepped mounting bracket is inside the through angle. Without contacting the corner portion, the stepped mounting bracket can move within the gap between the other end side end surface of the stepped mounting bracket and the inner corner portion of the through angle.

The invention according to claim 2 provides the wall panel mounting device in which the angle press contact portion is provided integrally with the stepped mounting bracket in addition to the configuration of the invention according to claim 1.

  According to this configuration, the stepped mounting bracket is provided by integrating the stepped mounting bracket and the spacer as separate independent members by providing the angle pressure contact portion, which is a spacer, integrally with the stepped mounting bracket. Without impairing the assembly efficiency, a gap can be provided between the other end side end face of the stepped mounting bracket and the inner corner portion of the through angle.

  According to a third aspect of the present invention, in addition to the configuration of the second aspect of the invention, the wall panel mounting device in which the angle press contact portion is formed in a rectangular shape in a vertical view with respect to the facing surface of the stepped mounting bracket provide.

  According to this configuration, since the through angle is pressed toward the backing plate over the entire surface of the rectangular angle pressure contact portion, the through angle can be reliably held between the stepped mounting bracket and the backing plate.

  According to the first aspect of the present invention, even when an external force is applied so that the stepped mounting bracket and the through angle are relatively displaced due to an earthquake or the like, the stepped mounting bracket is attached to the inner corner portion of the through angle. Since the external force is released by moving in the gap between the other end of the stepped mounting bracket and the inner corner of the through angle without contact, the relative movement between the stepped mounting bracket and the through angle is limited. , Bolts are prevented from breaking due to excessive shear stress, and it is not necessary to secure the relative movement of the stepped mounting brackets by extending each side of the through angle, making the through angle smaller and lighter can do.

  In addition to the effect of the invention according to claim 1, the invention according to claim 2 has the other end side end surface of the stepped mounting bracket and the inner corner portion of the through angle without impairing the assembly efficiency of the stepped mounting bracket. A gap can be provided between the two.

  In the invention according to claim 3, in addition to the effect of the invention according to claim 2, the angle pressure contact portion presses the angle over a wide range toward the backing plate. The through angle can be securely clamped.

The perspective view which shows one Example of this invention and demonstrates the use condition of the attachment apparatus for wall panels. The partial cross section side view of FIG. The top view explaining the mounting apparatus for wall panels of FIG. The perspective view which shows the bolt fastening state of the attachment apparatus for wall panels. Assembly drawing of wall panel mounting bracket. A stepped mounting bracket is shown, (a) is a front view of the stepped mounting bracket, (b) is a bottom view of (a), and (c) is a side view of (a). FIG. 4A is a front view of the contact plate, FIG. 5B is a bottom view of FIG. 5A, FIG. 5C is a side view of FIG. The principal part and partial enlarged view of the mounting bracket for wall panels. Explanatory drawing which shows the positional relationship of the end surface of the stepped attachment metal fitting of the conventional wall panel attachment apparatus, and the inner corner part of a through angle, and a partial enlarged view.

The wall panel mounting device according to the present invention reduces the external force acting on the bolt by relatively shifting the stepped mounting bracket and the through angle during an earthquake or the like without increasing the through angle. In order to achieve this, a hollow wall panel is attached to a through angle with an L-shaped cross section fixed to a beam of a building with a stepped mounting bracket and a backing plate, and one end side portion of the stepped mounting bracket and a backing plate The overlapped part is fastened to the wall panel with bolts, the outer surface of the backing plate is placed in contact with the wall panel, and a spacer is interposed between the other end of the stepped mounting bracket and the through angle In this state, a through angle is clamped and fixed between the other end of the stepped mounting bracket and the backing plate, and a gap is formed between the other end of the stepped mounting bracket and the inner corner of the through angle. provided, the spacer, stepped mounting gold Was realized by the through-angle is the angle press-contact portion of the opposed surface was then be angled to face contact can be formed through it bulges facing.

  Hereinafter, a wall panel mounting apparatus according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a view of a state in which a wall panel mounting device 10 is used on an extrusion-molded cement board 1 as a hollow wall panel as viewed obliquely from below. A plurality of hollow portions are formed in the longitudinal direction inside the extruded cement plate 1. A plurality of extruded cement boards 1 are disposed adjacent to each other in the left-right direction.

  Further, as shown in FIG. 2, the lower extrusion cement board 1 is composed of an upper extrusion cement board 2 made of a base steel material and extending in the horizontal direction, that is, the vertical direction in FIG. 3 is placed. A plurality of extruded cement plates 1 and 2 are arranged adjacent to each other in the vertical direction.

  As described above, the vertically-molded cement plates 1 and 2 are arranged adjacent to each other in the vertical and horizontal directions to form a vertical panel structure on the outer wall of the building. Moreover, the code | symbol 4 in FIG. 2 shows a sealing material, and the code | symbol 5 shows a refractory material.

  As shown in FIG. 3, the through-angle 3 interposed between the lower extrusion cement board 1 and the upper extrusion cement board 2 is an H-shaped steel beam 6 fixed to the floor slab. It is connected and fixed via a piece angle 7 on the top.

  The lower-stage extruded cement board 1 is connected to a lower-stage through angle 8 fixed to the lower surface 7 s of the beam 7 via a wall panel mounting device 10.

  The through angle 8 on the lower side is formed in a substantially L-shaped cross section, and includes a horizontal portion 8a fixed to the lower surface 7s of the beam 7 and a vertical portion 8b suspended from one side end of the horizontal portion 8a. Yes. In addition, an inner corner portion 8c formed in a gentle R shape is provided at an orthogonal portion between the horizontal portion 8a and the vertical portion 8b of the through angle 8.

  As shown in FIGS. 4 and 5, the wall panel mounting device 10 includes a stepped mounting bracket 20 that contacts the inner surface 8bs of the vertical portion 8 b of the through angle 8, and one end side portion of the stepped mounting bracket 20, that is, A plate 30 that overlaps with a lower vertical portion 22 to be described later and abuts against the outer surface of the vertical portion 8b of the through angle 8 on the lower stage side, and a plate-like flat nut 40 disposed in the hollow portion of the extruded cement plate 1 And a bolt 50 for tightening which is screwed into the screw hole 30a of the flat nut 30. The bolt 50 fastens and fixes the overlapped portion of the stepped mounting bracket 20 and the contact plate 30 to the extruded cement plate 1.

  As shown in FIG. 6, the stepped mounting bracket 20 has a sloped stepped portion 21 at the center in the vertical direction L <b> 1, and a lower vertical portion 22 and an upper side on the lower end side and upper end side of the sloped stepped portion 21, respectively. The vertical part 23 is connected. The lower vertical portion 22 is formed with a bolt penetration long hole 24 extending in the vertical direction L1.

  As shown in FIG. 7, the backing plate 30 includes substantially U-shaped cutout portions 31, 31 on both the left and right sides of the center in the vertical direction L <b> 2. A bolt penetration long hole 33 extending in the vertical direction L2 is formed in the center of the lower portion 32 of the abutting plate 30.

  In this way, the overlapping portion of the lower vertical portion 22 of the stepped mounting bracket 20 and the lower portion 32 of the backing plate 30 is used as the bolt penetration long hole 24 of the stepped mounting bracket 20 and the bolt penetration length of the backing plate 30. By tightening the bolt 50 through the hole 24, the stepped mounting bracket 20 and the contact plate 30 are fastened and fixed to the extruded cement plate 1, and the upper vertical portion 23 of the stepped mounting bracket 20 is tightened by the tightening force of the bolt 50. Since the elastic pressure contact force (spring force) acts on the through angle 8 via the through angle 8, the through angle 8 is sandwiched and fixed between the stepped mounting bracket 20 and the contact plate 30.

Further, as shown in FIG. 6, protrusions 25 and 25 are formed on both sides of the stepped mounting bracket 20 in the left-right direction W1, respectively.
Protrusions 34 are provided on both sides of the lower portion 32 of the abutting plate 30 in the left-right direction W2. As shown in FIG. 7, the protrusions 25 and 25 of the stepped mounting bracket 20 are mounted inside the protrusions 34 and 34 of the backing plate 30.

As shown in FIG. 7, projecting pieces 35, 35 are provided on the upper edges of the notches 31, 31 of the backing plate 30. The projecting pieces 35 are formed by bending at a right angle on the stepped mounting bracket 20 side.
The slanted stepped portion 21 on the stepped mounting bracket 20 side hits the projecting pieces 35, 35, so that the rotation of the contact plate 30 is restricted, and the projections 34, 34 sandwich both sides of the stepped mounting bracket 20. By fitting, the movement of the entire stepped mounting bracket 20 is regulated.

In the vicinity of the lower side of the through hole 24 of the stepped mounting bracket 20, a circular protrusion 26 protrudes as shown in FIG. 6.
Further, as shown in FIG. 7A, a fitting hole 36 is opened in the vicinity of the center in the left-right direction W1 of the contact plate 30 corresponding to the protrusion 26. The fitting hole 36 has an arc shape corresponding to the protrusion 26, and the stepped mounting bracket 20 can be easily positioned with respect to the backing plate 30 simply by fitting the protrusion 26 into the fitting hole 36. be able to.

  As shown in FIG. 7, a bulging portion 37 extending in the vertical direction L2 is provided near the center of the upper side portion of the contact plate 30 in the left-right direction W2. The cross-sectional shape of the bulging portion 37 is formed to be curved in an arc shape, and the outer surface of the vertical portion 8b of the through angle 8 is in line contact with the arc-shaped protruding end portion of the bulging portion 37, that is, a point in a cross-sectional view. It comes to contact.

  As shown in FIG. 6, the upper vertical portion 23 of the stepped mounting bracket 20 faces the inner surface of the stepped mounting bracket 20, that is, the inner surface of the vertical portion 8 b of the through angle 8 of the stepped mounting bracket 20. An angle pressure contact portion 27 is provided as a spacer bulging by a predetermined thickness from 23s.

  The stepped mounting bracket 20 and the through angle 8 are separated from each other by the thickness of the angle pressure contact portion 27, and between the other end side end face 20 s of the stepped mounting bracket 20 and the inner corner portion 8 c of the through angle 8. The gap R is secured.

  As a result, as shown in FIG. 8, even when an external force is applied so that the stepped mounting bracket 20 and the through-angle 8 are relatively displaced in the vertical direction due to an earthquake or the like, the stepped mounting bracket 20. Can move upward in the gap R as indicated by the arrow in the figure, and therefore the relative movement between the through angle 8 and the stepped mounting bracket 20 is limited, and the bolt 40 is caused by excessive shear stress acting on the bolt 40. 40 can be avoided, and it is not necessary to extend each side of the through-angle 8, that is, the horizontal portion 9 a and the vertical portion 9 b in order to ensure relative movement between the through-angle 8 and the stepped mounting bracket 20. The through angle 8 can be reduced in size and weight.

  In addition, the angle pressure contact portion 27 bulges out the facing surface 23 s of the stepped mounting bracket 20 and protrudes integrally with the stepped mounting bracket 20.

  As a result, compared with the case where the stepped mounting bracket and the spacer are assembled as separate separate members, the end surface s on the other end side of the stepped mounting bracket 20 is obtained without degrading the mounting efficiency of the stepped mounting bracket 20. And a clearance R can be secured between the inner corner portion 8 c of the through-angle 8.

  The angle pressure contact portion 27 is formed in a rectangular shape in a vertical view with respect to the facing surface 23 s of the stepped mounting bracket 20.

  Thus, the stepped mounting bracket 20 and the contact plate 30 are used to press the vertical portion 8b of the angle 8 toward the bulging portion 36 of the contact plate 30 through the entire area of the rectangular angle pressure contact portion 27 over a wide range. The through angle 8 can be securely clamped.

  It should be noted that the present invention can be variously modified without departing from the spirit of the present invention, and naturally the present invention extends to the modified ones. For example, unlike the above embodiment, the stepped mounting bracket and the spacer may be provided as separate separate members.

  In the present invention, the form and structure of the spacer are not particularly limited. In short, the gap between the other end surface of the stepped mounting bracket and the inner corner portion of the through angle is secured, and the stepped mounting bracket is inserted through the angle. As long as it is relatively movable, it is included in the technical scope of the present invention. In the above-described embodiments, the present invention is applied to a structure that forms a vertically stretched panel structure, but it can also be applied to a structure that forms a horizontally stretched panel structure.

DESCRIPTION OF SYMBOLS 1 ... Wall panel attachment end surface (lower side) 2 ... Wall panel attachment end surface (upper side) 3 ... Through angle (upper side) 4 ... Sealing material 5 ... Refractory material 6・ ・ ・ Beam 7 ・ ・ ・ Piece angle 8 ・ ・ ・ Through angle (on the lower side) 8 a ・ ・ ・ Horizontal portion 8 b ・ ・ ・ Vertical portion 8 c ・ ・ ・ Inside corner portion 10 ・ ・ ・ Wall panel mounting device 20 .... Stepped mounting bracket 20s ... End face 21 on the other end ... Sloped step 22 ... Lower vertical part 23 ... Upper vertical part 24 ... Bolt penetration slot 25 ... Projection 26 ... Projection part 27 ... Angle pressure contact part 30 ... Stopper plate 31 ... Notch part 32 ... Lower side part 33 ... Long hole 34 for bolt penetration ... Projection 35 ...・ Projection piece 36 ... Mating hole 37 ... Swelling part 40 ... Flat nut 0 ... bolt clearance between the inner corner of the other end side end face and through the angle of R ... stepped mounting bracket

Claims (3)

A wall panel mounting device for mounting a hollow wall panel to a through angle with a L-shaped cross section fixed to a beam of a building by a stepped mounting bracket and a backing plate,
The overlapped portion where the one end side portion of the stepped mounting bracket and the pad plate are overlapped is fastened to the wall panel with a bolt, and the outer surface of the pad plate is placed in contact with the wall panel,
The through angle is clamped and fixed between the other end portion of the stepped mounting bracket and the abutting plate with a spacer interposed between the other end portion of the stepped mounting bracket and the through angle. And
A gap is provided between the other end surface of the stepped mounting bracket and the inner corner of the through angle ,
The wall panel mounting device according to claim 1, wherein the spacer is an angle press-contact portion formed so as to be able to come into surface contact with the through angle by bulging a facing surface facing the through angle of the stepped mounting bracket . The angle press-contact portion, the wall panel mounting system of claim 1, characterized in that you are provided integrally with the stepped mounting bracket. The wall panel mounting device according to claim 2, wherein the angle pressure contact portion is formed in a rectangular shape in a vertical view with respect to a facing surface of the stepped mounting bracket.

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