JP2011244289A - Fixing metal fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing metal fitting which can fix something to a structure without hurting a building structure.SOLUTION: A fixing metal fitting 1 comprises: a body base 10 contacting one side of a structure 10; a support member 5 supported by the body base; a reaction plate 20 contacting the opposite side of the structure; a holding tool 30 to fasten the body base and the reaction plate. The reaction plate is composed of a flexible bend body 25 which forms an abutment surface 21 having a wider width in its inner surface than the projection surface of the direction orthogonal to the axis line of the longitudinal direction of the structure so that the abutment surface bends in the direction opposite to the structure and which bows forward and backward to the abutment surface, and of an abutment body 28 which is a plane surface provided on both the edges of the flexible bend body to comprise an attachment part to attach the holding tool 30, and which is positioned to face against a receiving guard body 18 which has in its inner surface a fastening part provided in the body base to receive and fasten the holding tool.

Description

The present invention mainly relates to a bracket for mounting a device to a structure, and more particularly to a mounting bracket for mounting a television receiving device to a self-supporting residential steel pipe column.

Conventionally, when a television receiver such as a television antenna is attached to a structure, for example, an attachment member for detachably attaching to the structure and a television integrally provided in the attachment portion In general, a mounting bracket made of an antenna support arm for mounting the antenna is used. Specifically, a main body base that abuts one side of the structure, an antenna support (antenna support arm) held by the main body base, a contact plate that abuts the opposite surface of the structure, a main body base and a contact plate There has been proposed an antenna mounting device including a fastening tool including a fastening bolt and a nut. In this embodiment, the mounting member includes the main body base, a contact plate that abuts against the opposite surface of the structure, and the fastening tool that tightens the main body base and the contact plate. In the antenna mounting device configured as described above, a vertical bone (hereinafter, referred to as a support) is sandwiched between the main body base and the contact plate, and is clamped and held using the fasteners. This completes the installation.

By the way, in order to prevent deformation of the cover plate constituting the antenna mounting device of the prior art when it is firmly tightened by the clamping tool, the shape thereof is a U-shaped cross section (see FIG. 1 of the prior art). In general, the strength is increased by forming a folded piece toward the column and providing a pair of folded pieces up and down. Then, a bent portion for being applied to the support column is formed at a substantially central portion of the turned-up folded piece. When the bent portion is applied to the support column and tightened by the clamping tool, Can be firmly tightened without deformation. Since the address plate is configured in this manner, a convex portion is formed on the contact plate between the tip of the folded piece and the opening end of the curve. In a state where the support plate is firmly clamped to the support column, the contact plate is in point contact so that the convex portion bites into the support column, and the back surface of the inclined portion is in line contact with the support column. It has been applied.
(For example, refer to Patent Document 1).

JP 2000-174308 A

However, by applying the above-described folding plate to the folding plate, it is possible to make the coating plate excellent in strength even if it is small, and in addition, it is configured to make point contact so that the convex portion bites into the support column. Although the mounting strength of the antenna mounting device can be increased by the above, on the other hand, the structure in which the convex portion bites into the support column damages the support column. For example, the support column is rusted or extended. There was a problem that said it would be lost. For this reason, despite the installation of self-supporting steel pipe columns for homes, there was a problem that the aesthetics of the steel were severely impaired.
Therefore, in this application, it was made to solve these problems.
An object of the present invention is to provide a mounting bracket that can be easily and inexpensively firmly attached to a structure.
Another object is to provide a mounting bracket that can be firmly attached to a structure without damaging the structure.

In order to solve the above problems, the invention of claim 1 is directed to a main body base that abuts on one side of a structure, a support member that is held by the main body base, a contact plate that abuts against the opposite surface of the structure, and a main body base. And a mounting bracket comprising a clamping device for tightening the contact plate,
The contact plate is formed on the inner surface with a contact surface having a width wider than a projection surface in a direction perpendicular to the longitudinal axis of the structure so that the contact surface is curved in a direction opposite to the structure. And a flexible curved body configured to bend back and forth with respect to the abutting surface, and a plane provided with mounting portions provided on both ends of the flexible curved body for mounting the clamping tool. And an attachment body disposed on the inner surface so as to face the receiving body provided with the fixing portion that is provided on the main body base and receives and fixes the holding tool.

According to a second aspect of the present invention, in the mounting bracket according to the first aspect, at least the attachment body includes a part of an upper end and a lower end of the flexible bending body from an upper end and a lower end of the attachment body. The folding piece provided so as to be continuously provided over the upper end and the lower end in the vicinity of the abutting body is integrally provided with the abutting surface in a direction protruding in a direction opposite to the structure. did.

According to a third aspect of the present invention, there is provided the mounting bracket according to any one of the first or second aspects, wherein the clamping tool includes a bolt body including at least a male screw portion and a male body provided in the bolt body. It consists of a nut body with a female thread part that is screwed into the thread part,
The mounting portion provided in the abutting body is a through hole formed in a size that allows the bolt body to be inserted and removed freely, and has a longitudinal direction in a direction perpendicular to the longitudinal axis of the structure. It formed so that it might become a long hole.

According to the first aspect of the present invention, the main body base that comes into contact with one side of the structure, the support member that is held by the main body base, the contact plate that comes into contact with the opposite surface of the structure, and the clamp that fastens the main body base and the contact plate A mounting bracket comprising:
The contact plate is formed on the inner surface with a contact surface having a width wider than a projection surface in a direction perpendicular to the longitudinal axis of the structure so that the contact surface is curved in a direction opposite to the structure. And a flexible curved body configured to bend back and forth with respect to the abutting surface, and a plane provided with mounting portions provided on both ends of the flexible curved body for mounting the clamping tool. And an abutting body disposed on the inner surface so as to face the receiving body provided with the fixing portion that is provided on the main body base and receives and fixes the holding tool,
When the clamping tool is tightened, the inner surface of the abutting surface can be brought into contact with the peripheral surface of the structure over a wider range. Even if a protruding stopper is not provided, the mounting bracket of the present invention can increase the holding force for the support column 2 with a simple and inexpensive configuration.

Preferably, as in the invention of claim 2, in the mounting bracket of claim 1, at least the attachment body includes an upper end and a lower end of the flexible bending body from an upper end and a lower end of the attachment body. A folding piece, which is a part of the lower end and is provided so as to extend continuously over the upper end and the lower end in the vicinity of the attachment body, is formed in a direction protruding in the direction opposite to the structure, By being configured to be integrated,
Since the folded side is folded back in the direction opposite to the column, at least the inner surface of the abutting surface has no protrusions that damage the surface of the structure as in the prior art. When attaching the mounting bracket of the present invention to the structure, the surface of the structure is not damaged.

Desirably, as in the invention of claim 3, in the mounting bracket according to claim 1 or 2, the clamping tool includes at least a bolt body having a male screw portion and the bolt. It consists of a nut body with an internal thread part that is screwed into an external thread part provided on the body,
The mounting portion provided in the abutting body is a through hole formed in a size that allows the bolt body to be inserted and removed freely, and has a longitudinal direction in a direction perpendicular to the longitudinal axis of the structure. By forming it as a long hole,
Even if the flexible bending body is bent by screwing the bolt body that is the clamping tool into the nut body that is the fixing portion and further tightening, the elongated hole that is the mounting portion is There is no hindrance to the tightening operation.

It is the perspective view decomposed | disassembled in order to demonstrate the attachment metal fitting of this invention. It is the schematic for demonstrating the procedure which attaches the mounting bracket of this invention to a structure (support), (a) is the figure which looked at the state before attachment from the top, (b) is the state after completion of attachment. It is the figure seen from. It is a partial cross section figure which shows the state of Fig.2 (a).

An embodiment of the mounting bracket of the present invention will be described below. FIG. 1 is a schematic view for explaining a mounting bracket of the present invention, and is a perspective view showing components disassembled. In FIG. 1, reference numeral 1 denotes a mounting bracket according to the present invention, which is used for mounting a device on a structure. For ease of the following explanation, For example, an antenna for receiving digital terrestrial broadcasting or satellite broadcasting is exemplified as equipment that needs to be attached to the structure, and examples of the structure to be attached include a self-supporting residential steel pipe pillar (described below) Let us show an example using a column. In addition, when the direction is indicated in the following description, unless otherwise specified, the installation direction of the mounting bracket 1 shown in FIG. 1 is used as a reference, the front side of the mounting bracket 1 is described as the front side or the front side, and the mounting bracket The back side of 1 is described as the back side or back side. That is, in the arrangement of the mounting bracket 1 in FIG. 1, the diagonally lower left side (front side in the figure) is the front side or the front side, and the diagonally upper right side is the rear side or the rear side.

The mounting bracket 1 of the present invention will be described with reference to FIG. The clamping device 30 according to the embodiment of the present invention includes a bolt body 33 having at least a male screw portion 33a and a nut body having a female screw portion screwed into the male screw portion 33a provided in the bolt body 33. Therefore, in the embodiment of the present invention, the clamping device 30 is configured to include a bolt body 33 and a nut body 15 as a fixing portion 13 formed on the main body base 10 described in detail later. Has been.

The mounting bracket 1 of the present invention will be described with reference to FIGS. The mounting bracket 1 according to the embodiment of the present invention includes at least a main body base 10 that comes into contact with one surface of a support column 2 that is a structure to be mounted, a support member 5 held on the main body base 10, and the opposite of the support column 2. The contact plate 20 is in contact with the surface, and includes a main body base 10, a bolt body 33 for tightening the contact plate 20, and a clamping tool 30 including a nut body 13.

The main body base 10 is obtained by molding a plate body made of a rigid metal material or the like that is formed in a rectangular shape as a whole. The main body base 10 is arranged along the longitudinal direction of the support column 2 in the vicinity of the substantially central portion of the plate body. Thus, the protrusion part 11 which comprises the inclined surfaces 11a and 11a is formed in the both sides so that it may become a cross-sectional substantially character shape toward the outer side of the direction opposite to the support | pillar 2. As shown in FIG. And the support member 5 formed in the L-shape is hold | maintained by well-known means, such as welding, in the outer-surface approximate center part of the said projection part 11. FIG. In this embodiment, an example in which the cross section is formed in a substantially square shape is shown, but the present invention is not particularly limited to this embodiment.

Further, flat surfaces 12 are provided on both sides of the protrusion 11 from the protrusion 11 outward. The flat surfaces 12 and 12 are each formed with a fixing portion 13 for fixing the bolt body 33 constituting the holding tool 30. In the embodiment of the present invention, the flat surface 12 includes A pair of fixing portions 13 and 13 arranged in the vertical direction, and fixing portions 13 and 13 arranged on the other plane 12 are provided. Further, it is a side provided from the upper end of the flat surface 12 to the upper end of the inclined surface 11 a constituting the protruding portion 11 and from the lower end of the flat surface 12 to the lower end of the inclined surface 11 a forming the protruding portion 11. Thus, a folded side 17 is formed which is folded back toward the outer side in the opposite direction to the support column 2, and the rigidity of the flat surface 12 and the inclined surface 11a is strengthened.
In the embodiment of the present invention, the fixing portion 13 is formed by fixing a nut body 15 having a female screw portion 13a formed therein to the front side of the flat surface 12, but the female screw portion 13a is provided on the flat surface 12. It may be formed. In the embodiment of the present invention, the flat surface 12 and the fixing portion 13 (nut body 13) constitute the receiving body 18 described in the claims.

Next, the contact plate 20 according to the embodiment of the present invention will be described in detail. As shown well in FIG. 1, the contact plate 20 has an abutting surface having a wider width on the inner surface (the surface facing the support column 2) than the projection surface in the direction perpendicular to the longitudinal axis of the support column 2. 21 is formed to include a curved portion 24 that is curved so that the contact surface 21 has a wider peripheral diameter corresponding to the peripheral surface of the support column 2, and A flexible bending body 25 configured to bend, and a flat surface 22 provided with a mounting portion 23 for mounting a bolt body 33 that is provided on both ends of the flexible bending body 25 and constitutes the holding tool 30. The contact body 28 is disposed so as to face the receiving body 18.

Further, in the embodiment of the present invention, the fixing portion 15 formed on the main body base 10 when the flat surface 22 and the receiving body 18 are disposed opposite to the flat surface 22 constituting the attachment body 28. A through hole 23 that penetrates the plane 22 is formed at a position that coincides with the axis of the nut body 13. And the through-hole 23 concerning embodiment of this invention is formed so that it may become a long hole which has a longitudinal direction in the direction orthogonal to the axis line of the longitudinal direction of the said support | pillar 2. The through hole 22 is a mounting portion for mounting the holding tool 30 according to the claims, and the flat body 22 and the mounting portion (through hole 23) constitute the abutting body 28 according to the claims. ing.

Further, the abutting body 28 in the embodiment of the present invention may be arranged so that the plane 22 is parallel to the horizontal axis, but preferably as shown in FIG. It is preferable to form it so as to face the direction opposite to the main body base 10 by an angle indicated by α in the figure from a position where 22 is arranged so as to be parallel to the horizontal axis.

In addition, the counter plate 20 includes an upper end portion 24a from the upper surface 22a of the curved portion 24 to the upper end portion 24a of the curved portion 24, and a lower end of the curved portion 24 to the lower end of the curved portion 24 from the flat surface 22. A folded side 27 which is folded back toward the outside in the direction opposite to the column 2 is formed across the portion 24a. The folded side 27 strengthens the rigidity of the plane 12 and also has a relative positional relationship at the connecting portion between the plane 22 and the curved portion 24, specifically, the axis of the upper end 22a of the plane 22; It is provided in order to keep the angle formed by the tangent line of the arm portion 24 constant.

The clamping device 30 according to the embodiment of the present invention includes a bolt body 33 having at least a male screw portion 33a and a nut body having a female screw portion screwed into the male screw portion 33a provided in the bolt body 30. Therefore, in the embodiment of the present invention, the clamping tool 30 is configured to include a bolt body 33 and a nut body 15 as the fixing portion 13 formed on the flat surface 12 of the main body base 10. Yes.

Now, the procedure for assembling the mounting bracket 1 according to the present invention will be described with reference to FIGS. In these drawings, FIG. 2 is a schematic diagram for explaining a procedure for attaching the mounting bracket 1 of the present invention to the support column 2. FIG. 2A is a view of the state before mounting, and FIG. It is the figure which looked at the state after completion from the top. FIG. 3 is a cross-sectional view showing the assembled state of FIG.

First, the inner surfaces of the inclined surfaces 11a and 11a of the main body base 10 are applied so as to contact the lower surface side (that is, the front surface side) of the support column 2 in the figure. In this state, the contact plate 20 is applied to the upper surface side (rear surface side) of the support column 5. At this time, the nut body 13 provided in the main body base 10 and the penetration formed in the contact plate 20 are used. The holes 23 are made to coincide with each other. When the respective positions are determined, the bolt body 33 is inserted into the through hole 23 from the back side of the contact plate 20, and further, the male base 33 a of the bolt body 33 is provided in the main body base 10. The nut body 13 is screwed into the female screw portion 13a. In this state, the inner surface of the contact surface 21 has a slight surface where the contact surface 21 comes into contact with the peripheral surface of the support column 2 as shown by the arrow in FIG. The surfaces where the inner surfaces of the inclined surfaces 11a, 11a of the base 10 are in contact with the peripheral surface of the support column 2 are in linear contact.

Next, when the bolt body 33 is fastened to the nut body 13, the contact plate 20 is securely assembled to the main body base 10. In this state, due to the presence of the flexible bending body 25 provided on the contact plate 20, the contact surface 21 is bent in the direction of the support column 2, and the inner surface of the contact surface 21 and the peripheral surface of the support column 2 are The contact surface is expanded (arrow R in the figure) and assembled. On the other hand, since the relative positional relationship at the connection portion between the plane 22 and the flexible bending body 25 does not change, even if the bolt body 33 is fastened to the nut body 13, the contact plate 20 is loosened from that state. There is no.

That is, according to the mounting bracket 1 of the embodiment of the present invention, the folded side 17 provided on the main body base 10 and the folded side 27 provided on the cover plate 20 are both opposite to the support column 2. Since the inner surface of the inclined surfaces 11a and 11a and the inner surface of the abutting surface 21 are completely free of projections that damage the surface of the support column 2, the mounting according to the present invention is performed. When the bracket 1 is attached, the surface of the column 2 is not damaged.
Further, in the embodiment of the present invention, by tightening the bolt body 33, the inner surface of the contact surface 21 can be brought into contact with the peripheral surface of the support column 2 over a wider range. The mounting bracket 1 of the present invention can increase the holding force for the support column 2 with a simple and inexpensive configuration without providing a protruding stopper as in the prior art on the abutting surface. is there.

Furthermore, in the embodiment of the present invention, the shape of the through hole 23 for inserting the bolt body 33 provided in the cover plate 20 has a longitudinal direction in a direction perpendicular to the longitudinal axis of the structure. Even when the bolt body 33 is fastened to the nut body 13 and the flexible bending body 25 is bent by being formed into a long hole, as shown well in FIG. The through hole 23 does not interfere with the tightening operation of the bolt body 33.

DESCRIPTION OF SYMBOLS 1 ... Mounting bracket, 2 ... Support | pillar (structure), 5 ... Support member, 10 ... Main body base, 11 ... Projection part, 11a ... Inclined surface, 12 ... Plane, 13 ... Nut body, 13a ... Female thread part, 15 ... Fixed part, 16 ..., 17 ... Folded side, 18 ... Receiving side, 20 ... Address plate, 21 ... Abutting surface, 22 ... Plane, 22a ... Upper end (lower end), 23 ... Through-hole, 24 ... Curved part, 24a ... upper end (lower end), 25 ... flexible curved body, 27 ... folded side, 28 ... abutting body, 30 ... clamping device, 33 ... bolt body, 33a ... male screw part.

Claims (3)

A mounting bracket comprising: a main body base that abuts one side of a structure; a support member held by the main body base; a contact plate that abuts the opposite surface of the structure; and a clamp that clamps the main body base and the contact plate ,
The contact plate is formed on the inner surface with a contact surface having a width wider than a projection surface in a direction perpendicular to the longitudinal axis of the structure so that the contact surface is curved in a direction opposite to the structure. And a flexible curved body configured to bend back and forth with respect to the abutting surface, and a plane provided with mounting portions provided on both ends of the flexible curved body for mounting the clamping tool. A mounting bracket comprising: an attachment body provided on an inner surface so as to be opposed to a receiving body provided on the main body base and having a fixing portion for receiving and fixing the holding tool.
At least the abutting body is provided so as to extend from the upper end and the lower end of the abutting body to the upper end and the lower end in the vicinity of the abutting body that are part of the upper end and the lower end of the flexible bending body. 2. The mounting bracket according to claim 1, wherein the folded piece is provided integrally with the abutting surface in a direction protruding in a direction opposite to the structure.
The clamping tool is composed of a bolt body having at least a male screw portion and a nut body having a female screw portion screwed into the male screw portion provided in the bolt body,
The mounting portion provided in the abutting body is a through hole formed in a size that allows the bolt body to be inserted and removed freely, and has a longitudinal direction in a direction perpendicular to the longitudinal axis of the structure. It is formed so that it may become a long hole, The mounting bracket as described in any one of Claim 1 or Claim 2 characterized by the above-mentioned.

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