JP3148665B2 - Piping support bracket - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe support fitting used for fixing a pipe to a building when the pipe is provided to a building.

[0002]

2. Description of the Related Art A pipe support fitting of this type sandwiches a mounting projection of a mounting fitting on the frame fixing side, and fastens a pair of opposed fastening pieces of a piping band from one side with a through bolt and a nut on the other side. The mounting band of the mounting bracket and a pair of opposing fastening pieces of the piping band pass through bolts for the fastening, for example, The through hole has a through hole corresponding to the number of through bolts having a diameter slightly larger than the shaft diameter of the through bolt.

[0003]

However, the fixing of the pipe to the skeleton by the pipe support bracket is generally carried out by holding a pipe, arranging a pipe band so as to fit the pipe, and forming a pair of opposed opposing bands. Tightening is performed by the through bolts and nuts, with the mounting piece of the mounting bracket interposed between the fastening pieces, thereby fixing the pipe to the frame via the pipe support bracket. In the piping,
In addition to supporting the piping band, it is necessary to perform a fastening operation using a through bolt and a nut.

[0004] For this reason, the piping work itself is complicated,
Depending on the situation, it cannot be done by a single worker, and the workability is poor such as multiple workers are engaged. In addition, it is inevitable that the bolts and nuts may be lost due to dropping during work, for example. Furthermore, workability often decreases.

The present invention has been made in view of the above circumstances, and a solution to the problem is to provide a pipe support fitting which can improve the workability of the pipe work as much as possible, is easy to use, and can simplify the work. To be.

[0006]

Means for Solving the Problems According to the present invention, according to the present invention, there is provided a through bolt, which is particularly complicated for an operator in a piping operation, after the positioning of a mounting projection of a mounting bracket and a fastening piece of a piping band. By focusing on the insertion into the through hole, if a through bolt is set in advance on the fastening piece, this through bolt can serve as a guide for the above-mentioned alignment, and the drop of the through bolt that tends to occur when the through bolt is inserted Can be prevented, which greatly contributes to the improvement of workability of piping work. Also, by setting this through bolt by plastic deformation of the fastening piece by pressing, the cost is prevented and the reliability of the set is reduced. Since the bolt can be secured, the bolt can be freely rotated by loosely fitting the bolt shaft into the circular through hole of one of the fastening pieces of the piping band, and the plastic deformation caused by the above-mentioned press is prevented. As means, the drop-off is prevented, and the through-bolt is rotatably and non-detachably supported on the one fastening piece. That is, the invention according to claim 1 is used for fixing a frame. The standing band is attached to the mounting foot by fixing the pair of fastening pieces facing each other of the standing band with a through bolt from one side and a nut on the other side, with the mounting protruding piece of the mounting foot interposed therebetween. The bolt shaft is loosely fitted into the circular through-hole of one of the fastening pieces of the pair of opposed bands, and plastic deformation is performed by pressing at a position near the outer periphery of the circular through-hole inside the fastening piece, so that the one of the two fastening pieces is pressed. A pipe support fitting in which a through-bolt is rotatably supported on a piece and is supported so as not to fall off, the fastening piece of the vertical band being fastened at one place to the mounting projection of the mounting foot. Equipped with anti-slip means between the foot and the fastening piece; The through-bolt is supported by one of the fastening pieces at one position of the fastening piece deviated from the anti-slip means, and the anti-slip means is directed inward to the pair of opposed fastening pieces. The upper and lower pairs of a small fitting protruded by press molding and a fitting hole for receiving and fitting the small fitting protruding piece, and the positional relationship between the small fitting protruding piece and the fitting hole is changed up and down to prevent slipping of the fitting. In addition to the above, the invention according to claim 2 is characterized in that the support of the through-bolt with respect to one of the fastening pieces is made as simple as possible, reliably and at low cost. In this case, the above-mentioned penetrating bolt is formed as a penetrating bolt having a circular support shaft having a smaller diameter than the screw diameter in the vicinity of the bolt head side. The circular shaft of the through bolt is located in the hole 2. The piping according to claim 1, wherein plastic deformation is performed by pressing a circular arc-shaped narrow groove close to an edge of the circular through-hole inside the fastening piece in a state of being pressed all around or partially. According to a third aspect of the present invention, in addition to the above, in order to facilitate the fastening work and further improve the workability of the piping work, the one fastening piece is formed by a press fitting. The pipe support fitting according to claim 1 or 2, further comprising a pair of opposing bolt head detent ribs bulged by forming the pipe support fitting, and the invention according to claim 4 is the same as above. In addition, in order to further improve the workability of piping work and to prevent the nut from falling,
The pipe support fitting according to claim 1, 2 or 3, wherein the other side nut is welded and fixed to the outer side of the fastening piece. This is a solution to the problem or other problems in addition to the problem.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below in more detail with reference to the drawings. In FIGS. 1 to 3, A is a pipe support fitting, and this pipe support fitting A is used for mounting feet 1 for fixing a frame. The vertical band 5 is mounted and fixed to the mounting foot 1 by sandwiching the mounting projection 3 and tightening the pair of fastening pieces 8 facing each other of the vertical band 5 with a through bolt 20 from one side and a nut 22 on the other side. The bolt shaft is loosely fitted in the circular through-hole 9 of one of the fastening pieces 8 of the pair of the opposing bands of the upright band 5 and a position near the outer periphery of the circular through-hole 9 inside the fastening piece 8. Is subjected to plastic deformation by means of a press, so that the through-bolt 20 is rotatable on the one fastening piece 8 and is supported so as not to fall off.

At this time, the fastening piece 8 of the vertical band 5 is
The mounting foot 1 is fastened to the mounting protruding piece 3 at one location, and is provided with anti-fall means between the mounting foot 1 and the fastening piece 8, and the one fastening piece 8 supports the through bolt 20. Is performed at one place of the fastening piece 8 which is deviated from the anti-slip means, and the anti-slip means is fitted to the pair of opposing fastening pieces 8 by press-forming inwardly toward the inside of the pair of fastening pieces 8, respectively. And a fitting hole 12 that receives and fits the fitting small protrusion 11 into a pair of upper and lower parts.

That is, in the pipe support A, the mounting foot 1
Is provided with a base 2 and a mounting projection 3 protruding from the base 2. The base 2 is further provided with fixing brackets (not shown) such as anchors and screws for fixing to the frame. A pair of fixing holes through which are inserted are formed as vertically long holes in the mounting protruding piece 3, and a plurality of, especially two through holes 9 through which the two through bolts 20 can be penetrated are respectively provided. Yes,
The upright band 5 has a pair of band portions 6 which are formed in a semicircular shape so as to be able to hold and support a pipe (not shown) in a holding shape in a circular shape and which can be freely opened and closed by connecting a hinge 7 at one end. , A pair of fastening pieces 8 projecting from the free end of the band portion 6 and projecting through the pair of fastening pieces 8 through circular through holes 9 juxtaposed in the projecting direction. The mounting feet 1 and the upright band 5 constitute a pipe support A which is particularly suitable for fixing and supporting the pipe in a side wall shape of the frame.

In the pipe support fitting A of the present embodiment, a through bolt 20 pivotally supported by one of the fastening pieces 8 of the upright band 5.
Is provided with a circular support shaft portion 21 having a diameter smaller than the screw diameter in the vicinity of the bolt head side to form a through bolt 20 formed by, for example, press molding. At this time, the support by the one fastening piece 8 is carried out by inserting the circular support shaft 21 of the through bolt 20 into the circular through hole 9.
The plastic deformation by press of the arc-shaped narrow groove 10 close to the edge of the circular through-hole 9 is performed on the inner side of the fastening piece 8 in the state where is positioned, and the entire circumference or a part thereof is applied.

That is, in the present embodiment, the plastic deformation by this press is performed by opening the upright band 5, inserting the through bolt 20 through the circular through hole 9 of one of the fastening pieces 8 from outside, and then fixing the bolt head. On the pedestal mold that has the receiving space,
The one fastening piece 8 is placed upside down to expose the inside,
With the bolt head released, this was performed by lowering the cylindrical punch die that receives the bolt shaft. At this time, in this example, the cylindrical punch die was attached to the tip of the cylindrical punch die. The core is provided with a pair of curved opposing ridges (curved blades) facing each other so as to form concentric circles. By lowering the punch die, the core becomes close to the edge of the circular through hole 9. In this example, the plastic deformation of the arc-shaped narrow groove 10 by pressing is performed, and in this example, the plastic deformation is performed by pressing a pair of curved opposing grooves which are arranged to face each other, particularly intermittently. .
5 mm or less, for example, a depth of about 0.1 to 0.3 mm, 1 mm
Hereinafter, for example, the width is set to about 0.3 to 0.7 mm and each length is set to 7 mm or less, for example, about 4 mm to 6 mm.
Is plastically deformed inward into the circular through-hole 9, for example, in a circular through-hole 9 through which a through-bolt 20 having a diameter of 7 mm, a screw diameter of 6 mm, and a circular support shaft portion 21 of 5.5 mm is inserted. The diameter is reduced, and the circular support shaft portion 21 is rotatably supported, and at the same time, it serves as a means for preventing the screw portion from being hooked.

In the present embodiment, the above-described through bolt 20
Is a single unit, and its support is carried out at one center in the protruding direction of one of the fastening pieces 8 in the middle, which is deviated from the anti-slip means,
By passing the small fitting piece 11 of the anti-slip means through the through hole 4 in the mounting stub 3 of the mounting foot 1, the fastening is performed by the anti-slip means while using a single penetrating bolt 20. The fastening piece 8 is prevented from falling.

In FIG. 3, reference numeral 13 denotes a bolt head of the through bolt 20 which is rotatably supported by the one fastening piece 8 to prevent the through bolt 20 from twisting around when the nut 22 is screwed and fastened. A pair of opposing bolt head detent ribs are formed by swelling by press-molding the one fastening piece 8 to facilitate the mounting operation and further improve the workability.

Therefore, in this embodiment, the upright band 5 is closed so that the through bolt 20 passes through the through hole 4 of the mounting projection 3 of the mounting foot 1, and the other fastening piece 8 is inserted into the circular through hole 9. A nut 22, which is a hexagonal nut in this example, is screwed into the tip of the through-bolt 20 and tightened, so that the upright band 5 holding the pipe is easily and securely fixed to the mounting bracket 1. can do.

FIGS. 4 to 6 show another example. In this example, the nut 22 on the other side is welded and fixed to the outside of the fastening piece 8. The penetrating bolt 20 is rotated and the nut 22 is rotated without providing a means for preventing rotation such as the retaining rib 13 on the penetrating bolt 20 side.
This is an example in which tightening is possible by screwing on a screw.

Since the remaining configuration and the method of mounting and fixing are basically the same as those of the above-described examples of FIGS.
The same reference numerals are given and the description is omitted.

Although the illustrated example is as described above, it is assumed that the through bolt has a thread along the entire length in the longitudinal direction of the shaft, and the supporting support for one of the fastening pieces is threaded at an intermediate position in the longitudinal direction of the shaft. When plastic deformation is performed by pressing a circular arc-shaped groove, it is necessary to cover the entire circumference of the circular through-hole, including mounting feet, mounting protrusions, standing bands, and tightening. The specific materials, shapes, structures, relations, additions, and the like of the pieces, the through bolts, the nuts, and the like are variously changed as long as they do not contradict the gist of each of the above-described inventions, and are different from the above examples. It can be.

[0018]

Since the present invention is configured as described above, according to the first aspect of the present invention, since the upright band has the through bolts for mounting and fixing the upright band, the mounting projection of the mounting foot and the upright band are provided. It is possible to eliminate the complexity of inserting the through bolts through these after the positioning of the fastening pieces, and to perform the above-mentioned alignment using the through bolts as a guide, and to prevent the through bolts from dropping and being lost, and to improve the piping work. The workability is improved as much as possible, the usability is good and the work can be simplified. In addition, the support of the through bolts is supported by plastic deformation by pressing against the fastening pieces, thereby preventing cost increase and supporting the support. In addition to the above, the invention according to claim 2 provides a pipe supporting metal fitting which can ensure the reliability of the through-bolt with respect to one of the fastening pieces as simply as possible and reliably and reliably. By low cost In addition to the above, the invention according to claim 3 facilitates the fastening work and further improves the workability of the piping work. In addition to this, it is possible to further improve the workability of the piping work and also to prevent the nut from falling.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a pipe support fitting in which a vertical band is half-opened.

FIG. 2 is a plan view showing a fixed state of a standing band.

FIG. 3 is a sectional view showing a fastening state of a fastening piece.

FIG. 4 is an exploded perspective view of a pipe support fitting in which a vertical band according to another example is half-opened.

FIG. 5 is a plan view showing a fixed state of a standing band.

FIG. 6 is a sectional view showing a fastening state of a fastening piece.

[Explanation of symbols]

 A Pipe support bracket 1 Mounting bracket 5 Vertical band 8 Fastening piece 9 Through hole 10 Arc-shaped narrow groove 20 Through bolt 21 Circular support shaft 22 Nut

Claims (4)

(57) [Claims] 1. A pair of opposed fastening pieces of a standing band are fastened by a through bolt from one side and a nut on the other side, sandwiching a mounting projection of the mounting foot for fixing the frame. The band is mounted and fixed, and a bolt shaft is loosely fitted into the circular through hole of one of the opposed fastening pieces of the above-mentioned vertical band, and plastic deformation is performed by pressing at a position near the outer periphery of the circular through hole inside the fastening piece. A pipe support fitting in which a through bolt is rotatably supported on one of the fastening pieces so that it can not be dropped off, and the fastening piece of the vertical band is attached to the mounting projection of the mounting foot. A fastening means is provided between the mounting foot and the fastening piece while being fastened at one place, and the support of the through bolt by one of the fastening pieces is supported at one location of the fastening piece deviated from the above-mentioned means. And the anti-slip means is connected to the pair of opposing The positional relationship between the fitting small protruding piece and the fitting hole is made up and down by a pair of fitting small protruding pieces protruding toward the inside by press molding toward the inside and the fitting holes for receiving and fitting them. A pipe support fitting characterized in that the fitting is changed to prevent the fitting from falling. 2. The penetrating bolt according to claim 1, wherein the penetrating bolt has a circular support shaft having a diameter smaller than a screw diameter near a bolt head side.
The pivotal support by the one fastening piece is performed by pressing an arc-shaped narrow groove near the edge of the circular through-hole inside the fastening piece with the circular support shaft of the through bolt positioned in the circular through-hole. 2. The pipe support fitting according to claim 1, wherein the pipe support is formed by performing plastic deformation all around or partially. 3. The pipe support fitting according to claim 1, wherein said one fastening piece includes a pair of opposed bolt head rotation preventing ribs bulged by pressing. . 4. The nut on the other side is welded and fixed to the outside of the fastening piece.
A pipe support fitting according to the above.