JP5192426B2 - Mounting bracket and mounting structure - Google Patents

Description

  The present invention relates to a mounting bracket and a mounting structure for mounting a building panel to a base material such as a ruler angle fixed to at least one of a structural member and a secondary member.

  Conventionally, when a plurality of hollow wall panels (for example, extrusion-molded cement board) are installed vertically on a beam of a building or the like, first, a threading ruler is first placed on the upper part of the floor slab side beam member via a piece ruler angle. Mount the angle horizontally. Then, an extrusion-molded cement board is placed on the horizontal part of the through-ruler angle, and the vertical part of the through-ruler angle is sandwiched between the lower part of the Z clip, which is a stepped mounting bracket. It is welded to the vertical part of the angle, and the upper part of the Z clip is fixed to the extruded cement board with bolts. However, in this case, in order to prevent the Z clip from falling off due to the rotation, it is necessary to perform the work of welding the Z clip to the ruler angle through the Z clip.

  Various attempts have been made to solve the above problems. For example, as described in Japanese Patent Application Laid-Open No. 2003-96915, there is known a Z-clip rotation prevention metal fitting that includes a ruler angle holding portion that holds a through-ruler angle and a Z clip holding portion that holds a Z clip. ing. According to this anti-rotation metal fitting, the work of welding to the ruler angle through the Z clip can be omitted, and the construction time can be shortened.

JP 2003-96915 A

  However, in the invention of Patent Document 1 described above, when the wall panel is built, it is necessary to align the Z clip temporarily fixed to the wall panel and the anti-rotation fitting attached to the through ruler angle. Therefore, it is difficult to shorten the construction time. In addition, since there is a need to handle two types of parts, that is, a Z clip and an anti-rotation bracket, parts management is complicated and workability cannot be improved.

  This invention is made | formed in order to solve such a technical subject, Comprising: It aims at providing the attachment metal fitting and attachment structure which can aim at the improvement of workability.

  The mounting bracket according to the present invention is a mounting bracket for mounting a building panel on a base material mounted on at least one of a structural member and a secondary member, and includes a stepped bracket fixed to the panel, and a stepped A metal fitting holding portion that holds the base material in cooperation with the metal fitting, and the stepped metal fitting includes a contact piece that comes into contact with the panel, an insertion piece that is inserted into the inside of the metal fitting holding portion, and the contact piece and the difference piece. The metal fitting holding part has a housing part that receives the insertion piece and a detachment restricting part that restricts the detachment of the stepped metal part.

  In the mounting bracket according to the present invention, the insertion piece of the stepped bracket is inserted into the bracket holding portion, and the stepped bracket is regulated by the detachment regulating portion, so the stepped bracket and the bracket holding portion are integrated. Is done. For this reason, a stepped metal fitting and a metal fitting holding part can be handled as one part. Therefore, by fixing the contact piece of the stepped metal fitting to the panel, the stepped metal fitting and the metal holding part can cooperate to sandwich the base material, and the panel can be easily attached. It becomes possible to plan.

  In the mounting bracket according to the present invention, the housing portion includes a main body portion facing the insertion piece, and a pair of side plate portions extending along side edges on both sides of the insertion piece, and the pair of side plate portions. Each of these is preferably formed with a notch into which the base material is inserted.

  If it does in this way, a main-body part and a side-plate part will regulate the position of an insertion piece, and can prevent rotation and a position shift of an insertion piece. When an external force such as a typhoon or earthquake acts on the panel, the insertion piece abuts against the bracket holding part to prevent the rotational displacement of the stepped bracket fixed to the panel from moving outward or in the panel surface. can do. Moreover, since a notch is formed, the base material inserted in the inside can be clamped.

  In the mounting bracket according to the present invention, the detachment restricting portion projects from the main body portion or the side plate portion to the contact piece side and interferes with one surface of the step connecting portion, and protrudes inward from the pair of side plate portions to connect the step. It is preferable to have a pair of protrusions that interfere with the other surface of the part.

  In this case, the claw portion protruding from the main body portion or the side plate portion interferes with one surface of the step connecting portion, and the protrusion provided on the side plate portion interferes with the other surface of the step connecting portion, whereby the stepped bracket And the metal holding part are integrated. Therefore, the stepped metal fitting and the metal fitting holding portion can be handled as one part, and the parts management becomes easy and the workability is easily improved.

  In the mounting bracket according to the present invention, the abutting piece is fastened and fixed to the panel by the fastening member, and the insertion piece is regulated by the detachment regulating portion with a predetermined play in the tightening direction of the fastening member. As the piece is fastened and fixed to the panel, it is preferable that the inserting piece comes into contact with the base material inserted into the notch and presses the base material against the side wall forming the notch.

  In this case, since the insertion piece has a predetermined play in the tightening direction of the fastening member, it can move within the play range. For this reason, when inserting the base material into the cutout, the base material can be easily inserted into the cutout without interfering with the insertion of the base material due to interference. Also, as the abutting piece is fastened and fixed to the panel, the insertion piece abuts against the base material and presses the base material against the side wall that forms the notch, so that the base material is It can be securely clamped.

  In the mounting bracket according to the present invention, it is preferable that the insertion piece is regulated by the separation regulating portion with a predetermined play in the insertion direction.

  If it does in this way, it can construct while adjusting a construction error within a predetermined play range, and construction efficiency can be raised. Further, for example, the panel can be moved and displaced within this play range against the deformation of the panel due to a typhoon or an earthquake, and the thermal deformation of the panel due to solar radiation, so that the panel can be prevented from being damaged.

  In the mounting bracket according to the present invention, it is preferable that an anti-slip portion is provided on at least one of the portion of the insertion piece that contacts the base material and the side wall that forms the notch.

  In this way, the base material can be securely sandwiched, and the occurrence of misalignment of the base material can be suppressed.

  In the mounting bracket according to the present invention, the thickness of the base material is L1, and the distance from the flat surface in contact with the panel in the housing portion to the side wall near the panel among the side walls forming the notch is L2, and the contact piece It is preferable that the relational expression (L1 + L2)> L3 is satisfied, where L3 is the distance from the contact surface that is in contact with the panel to the plane that is in contact with the base material in the insertion piece.

  If it does in this way, a base material can be pinched reliably by cooperation with a stepped metal fitting and a metal fitting holding part.

  The mounting structure according to the present invention is a mounting structure in which a building panel is mounted on a base material using the mounting bracket described above, and the stepped bracket and the bracket holding portion are brought into contact with the panel, The contact piece is fixed to the panel, and the base material is inserted into the notch, and is pressed against the side wall forming the notch by the insert piece.

  In the mounting structure according to the present invention, the panel is attached to the base material using a mounting bracket that integrally connects the stepped bracket and the bracket holding portion, so that parts management becomes easier and the construction efficiency is improved compared to the conventional case. can do. As a result, it becomes easy to improve workability.

  According to the present invention, it is possible to provide a mounting bracket and a mounting structure capable of improving workability.

It is a perspective view which shows the attachment metal fitting which concerns on this embodiment. It is a perspective view which shows the attachment metal fitting which concerns on this embodiment. It is a perspective view which shows a stepped metal fitting. It is a perspective view which shows a metal fitting holding part. It is a perspective view which shows a metal fitting holding part. It is sectional drawing which shows the positional relationship of the stepped metal fitting and metal fitting holding | maintenance part in the assembled state. It is sectional drawing which shows the positional relationship of the stepped metal fitting and metal fitting holding | maintenance part in the assembled state. It is sectional drawing which shows the positional relationship of the stepped metal fitting and metal fitting holding | maintenance part in the assembled state. It is a figure which shows the dimensional relationship between a mounting bracket and a ruler angle. It is a figure which shows the operation | work which attaches a building panel to a ruler angle using an attachment metal fitting. It is sectional drawing which shows the attachment structure in the case of attaching a building panel to H-section steel using an attachment metal fitting.

  Embodiments of a mounting bracket and its mounting structure according to the present invention will be described below with reference to the drawings. In the description, the same components are denoted by the same reference numerals, and redundant description is omitted.

  1 and 2 are perspective views showing a mounting bracket according to this embodiment. The mounting bracket 1 is for mounting a building panel to a ruler angle (base material). A bracket holding portion 3 formed in a substantially box shape, one end is inserted into the bracket holding portion 3 and the other end is A long stepped metal fitting 2 protruding from the metal fitting holding portion 3 is provided.

  FIG. 3 is a perspective view showing a stepped metal fitting. As shown in FIG. 3, the stepped metal fitting 2 is formed into a lightning bolt by bending a single metal flat plate. The stepped metal fitting 2 includes an abutment piece 21 that abuts against the panel when attached to the building panel, an insertion piece 22 inserted into the metal fitting holding portion 3, and the abutment piece 21 and the insertion piece 22. And a step connecting portion 23 for connecting the two.

  The contact piece 21 and the insertion piece 22 are parallel to each other. A through hole 24 for inserting a bolt is formed in the center of the contact piece 21. The through hole 24 is processed into a vertically long elliptical shape along the length direction of the stepped metal fitting 2. The step connecting portion 23 is inclined at a predetermined angle.

  4 and 5 are perspective views showing the metal fitting holding part. The metal fitting holding part 3 includes a housing part 4 that receives the insertion piece 22 of the stepped metal fitting 2. The casing 4 is formed by punching a single metal flat plate into a predetermined shape and then bending the flat plate into a C-shaped cross section. Specifically, the housing 4 includes a main body 41 that faces the insertion piece 22, a pair of side plates 42 and 43 that extend orthogonally from both ends of the main body 41 to the main body 41, and the side plate 42. , 43 and a pair of panel abutting portions 44, 45 extending perpendicularly to the side plate portions 42, 43.

  The panel abutting portions 44 and 45 are portions that abut against the panel when the mounting bracket 1 is attached to the building panel, and the tip portion is bent into a V shape in order to increase its rigidity. The side plates 42 and 43 are formed with notches 46 and 47 for inserting ruler angles. The notches 46 and 47 extend upward from the lower ends of the side plate portions 42 and 43.

  Of the side walls forming the notches 46 and 47, the first side walls 46a and 47a close to the panel contact portions 44 and 45 are provided with a non-slip portion S processed into a saw shape. On the other hand, the anti-slip | skid part is not provided in 2nd side wall 46b, 47b facing 1st side wall 46a, 47a. Further, in order to facilitate the insertion of the ruler angle into the notches 46 and 47, the tip portions of the first side walls 46a and 47a are formed in a tapered shape so as to widen the distance between the second side walls 46b and 47b.

  The side plate portions 42 and 43 are provided with a pair of protrusions (detachment restricting portions) 5 and 6 protruding inward. The pair of protrusions 5 and 6 are disposed at the same position and face each other. Further, the metal fitting holding part 3 is provided with two claw parts 7 and 8 that project from the main body part 41 to the contact piece 21 side (upward). The claw portions 7 and 8 are inclined inside the housing portion 4.

  6-8 is sectional drawing which shows the positional relationship of the stepped metal fitting and metal fitting holding | maintenance part in the assembled state. As shown in FIG. 6A, the stepped metal fitting 2 is regulated by the protrusion 6 and the claw portion 8 with a predetermined play in the vertical direction (insertion direction of the insertion piece 22). Specifically, when the stepped metal fitting 2 is lifted upward, the upper surface 23a of the step connection portion 23 interferes with the claw portion 8 (solid line portion). On the other hand, when the stepped metal fitting 2 is pushed downward, the lower surface 23b of the step connecting portion 23 interferes with the protruding portion 6 (two-dot chain line portion).

  As shown in FIG. 6B, the stepped metal fitting 2 is regulated by the protrusion 6 and the main body (detachment restricting portion) 41 with a predetermined play in the left-right direction (bolt tightening direction). That is, when the stepped metal fitting 2 is moved to the right side, the insertion piece 22 interferes with the inner wall surface of the main body 41 (solid line portion). On the other hand, when the stepped metal fitting 2 is moved to the left side, the insertion piece 22 interferes with the protrusion 6 (two-dot chain line portion).

  Further, as shown in FIG. 7A, in a state where no external force is received, the step connecting portion 23 of the stepped metal fitting 2 comes into contact with the protruding portion 6 due to its own weight, and the lower surface 23 b interferes with the protruding portion 6. . At this time, since the stepped metal fitting 2 moves so as to rotate in the direction indicated by the arrow (the out-of-plane direction) with the protrusion 6 as a fulcrum, the lower end portion of the insertion piece 22 comes into contact with the inner wall surface of the main body portion 41. The movement of the rotation is blocked by the main body 41 (FIG. 7B).

  In the above description, it is assumed that the lower surface 23 b of the step connecting portion 23 interferes with the protrusion 6, but the lower surface 23 b may interfere with the upper end surfaces of the panel contact portions 44 and 45. Specifically, as shown in FIG. 8A, when the protrusion 6 is disposed closer to the notch 47 than in FIGS. 6 and 7, the lower surface 23 b of the step connection portion 23 is connected to the protrusion 6. Prior to contact, the upper end surface 45a of the panel contact portion 45 is first contacted.

  At this time, the stepped metal fitting 2 moves so as to rotate in the direction indicated by the arrow (out-of-plane direction) with the contact point with the upper end surface 45a as a fulcrum, and the lower end portion of the insertion piece 22 is the inner wall surface of the main body portion 41. And the movement of rotation is blocked by the main body 41 (FIG. 8B).

  In the mounting bracket 1 configured in this manner, the stepped bracket 2 is provided so as to be movable within a predetermined range in the vertical direction and the horizontal direction and cannot be removed from the bracket holding portion 3. 2 and the metal fitting holding part 3 are integrated.

  9 is a diagram showing the dimensional relationship between the mounting bracket and the ruler angle. As shown in FIG. 9, the thickness of the ruler angle 10 is L1, the distance from the contact surface 45b that contacts the panel in the panel contact portion 45 to the side wall of the first side wall 47a is L2, and the panel of the contact piece 21 When the distance from the abutting surface 21a that abuts to the flat surface 22a that abuts the ruler angle 10 on the insertion piece 22 is L3, the relational expression (L1 + L2)> L3 is satisfied.

  Hereinafter, with reference to FIG. 10, the operation | work which attaches a building panel to a ruler angle using the attachment metal fitting 1 is demonstrated.

  As shown in FIG. 10A, first, the contact piece 21 of the mounting bracket 1 is brought into contact with the panel 9, a port is inserted into the through hole 24, and the mounting bracket 1 is temporarily fixed to the panel 9 by bolting. To do. Next, the L-shaped ruler angle 10 is inserted into the notch 47. At this time, since the stepped metal fitting 2 is held by the metal fitting holding part 3 with a predetermined play, the insertion piece 22 and the ruler angle 10 do not interfere with each other. As a result, the ruler angle 10 can be smoothly inserted into the cutout 47.

  Subsequently, the contact piece 21 is fastened and fixed to the panel 9 at the port. At this time, the panel 9 is drawn by tightening the bolt, and the panel 9 comes into contact with the contact surface 45 b of the panel contact portion 45. Then, the insertion piece 22 approaches the panel 9, the flat surface 22a of the insertion piece 22 contacts the ruler angle 10 inserted into the notch 47, and the ruler angle 10 is pressed against the first side wall 47a (FIG. 10 (b)). Thus, the ruler angle 10 is firmly clamped by the cooperation of the stepped metal fitting 2 and the metal fitting holding portion 3.

  According to the mounting bracket 1 according to the present embodiment, the stepped bracket 2 has its insertion piece 22 inserted into the bracket holder 3 and is regulated by the projections 5 and 6 and the claw portions 7 and 8. The stepped metal fitting 2 and the metal fitting holding part 3 are integrated. For this reason, the stepped metal fitting 2 and the metal fitting holding part 3 can be handled as a single component, which facilitates component management and can improve workability.

  Moreover, since the insertion piece 22 has a predetermined play in the horizontal direction and the vertical direction, it can move within the play range. Therefore, when the ruler angle 10 is inserted into the notches 46 and 47, the ruler angle 10 can be easily inserted into the notches 46 and 47 without causing interference between the insertion piece 22 and the ruler angle 10. . Further, as the abutting piece 21 is fastened and fixed to the panel 9, the insertion piece 22 abuts against the ruler angle 10 and presses the ruler angle 10 against the first side walls 46 a and 47 a forming the notches 46 and 47. The ruler angle 10 can be securely clamped in cooperation with the metal fitting holder 3.

  Furthermore, since the insertion piece 22 has a predetermined play in the vertical direction, it is possible to perform construction while adjusting a construction error within a predetermined play range, and the construction efficiency can be improved. Further, for example, the panel 9 can be moved and displaced within this play range against deformation of the panel 9 due to typhoon or earthquake, and thermal deformation of the panel 9 due to solar radiation, so that the effect of preventing damage to the panel 9 is brought about.

  Further, since the first side walls 46a and 47a forming the notches 46 and 47 are provided with the anti-slip portions S, the ruler angle 10 can be securely held, and the ruler angle 10 is displaced. Can be reliably suppressed.

  The embodiments described above are examples of the mounting bracket and the mounting structure according to the present invention, and the mounting bracket and the mounting structure according to the present invention are not limited to those described in the embodiment. The mounting bracket and its mounting structure according to the present invention may be modified from the mounting bracket and its mounting structure according to the embodiment or applied to others so as not to change the gist described in each claim. Good.

  For example, in the above-described embodiment, the example of the ruler angle is described as the base material, but the base material is not limited to the ruler angle, and may be H-shaped steel or the like. For example, as shown in FIG. 11, when attaching the panel 12 to the stud 11 made of H-shaped steel, the flange portions 11 a and 11 b of the stud 11 are sandwiched and fixed to the panel 12 using the two mounting brackets 1. In the above embodiment, the stepped metal fitting is formed by bending a flat plate, but may be rib-reinforced. Furthermore, in said embodiment, although a panel is an extrusion molding cement board, it can be used also for a lightweight cellular concrete panel.

  In the above embodiment, the anti-slip portion S is processed in a saw shape. However, for example, a rubber material may be attached to the first side walls 46a and 47a. Moreover, you may provide the anti-slip | skid part S in the plane 22a contact | abutted with the ruler angle 10 in the insertion piece 22. FIG.

DESCRIPTION OF SYMBOLS 1 ... Mounting bracket, 2 ... Stepped bracket, 3 ... Bracket holding part, 4 ... Housing | casing part, 5,6 ... Projection part (detachment | restriction control part), 7,8 ... Nail | claw part (detachment | restriction control part), 9,12 Panel, 10 Ruler angle (base material), 11 Spacer (base material), 21 Contact piece, 22 Insertion piece, 23 Step connecting portion, 23a Upper surface, 23b Lower surface, 41 Main body (Separation control part), 42, 43 ... side plate part, 46, 47 ... notch, S ... anti-slip part,

Claims (8)

A mounting bracket for attaching a building panel to a base material attached to at least one of a structural member and a secondary member,
A stepped metal fitting fixed to the panel;
A metal fitting holding part for holding the base material in cooperation with the stepped metal fitting,
The stepped metal fitting has a contact piece that contacts the panel, an insertion piece that is inserted into the metal fitting holding portion, and a step connecting portion that connects the contact piece and the insertion piece,
The metal fitting holding part includes a housing part that receives the insertion piece, and a detachment restricting part that restricts detachment of the stepped metal part. The housing portion has a main body portion facing the insertion piece, and a pair of side plate portions extending along side edges on both sides of the insertion piece,
The mounting bracket according to claim 1, wherein a cutout into which the base material is inserted is formed in each of the pair of side plate portions.   The detachment restricting portion protrudes from the main body portion or the side plate portion to the contact piece side and interferes with one surface of the step connecting portion, and protrudes inward from the pair of side plate portions to protrude to the step connecting portion. The mounting bracket according to claim 1, further comprising a pair of protrusions that interfere with the other surface. The contact piece is fastened and fixed to the panel by a fastening member,
The insertion piece is regulated by the separation regulating portion with a predetermined play in the tightening direction of the fastening member,
As the abutting piece is fastened and fixed to the panel, the insertion piece comes into contact with the base material inserted into the notch, and presses the base material against the side wall forming the notch. The mounting bracket according to any one of claims 1 to 3, wherein the mounting bracket is characterized by the following.   The mounting bracket according to any one of claims 1 to 4, wherein the insertion piece is regulated by the separation regulating portion with a predetermined play in the insertion direction.   The mounting bracket according to claim 4 or 5, wherein an anti-slip portion is provided on at least one of a portion of the insertion piece that contacts the base material and a side wall that forms the notch. . The thickness of the base material is L1,
L2 is a distance from a plane in contact with the panel in the housing part to a side wall close to the panel among the side walls forming the notch,
When the distance from the contact surface that contacts the panel of the contact piece to the plane that contacts the base material in the insertion piece is L3,
The mounting bracket according to any one of claims 2 to 6, wherein a relational expression (L1 + L2)> L3 is satisfied. A mounting structure for mounting a building panel to a base material using the mounting bracket according to claim 1,
The stepped metal fitting and the metal fitting holding part are in contact with the panel,
The contact piece of the stepped metal fitting is fixed to the panel,
The mounting structure, wherein the base material is inserted into the notch and pressed against a side wall forming the notch by the insertion piece.

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