JP2002228048A - Hanging band for piping - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handing band for piping capable of being used in a piping position near a ceiling and preventing removal of a bolt and a nut. SOLUTION: The hanging band for piping is characterized by that a strip shaped band is formed in an annular shape, folding parts are formed on both ends of the band and through-holes are provided thereon respectively, a mounting part is provided so as to project on an approximately center part of the band and a through-hole is provided thereon, and a mechanism for tightening the band is provided on the folding part of the band.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension band for piping used to suspend a water pipe or a gas pipe from a ceiling or the like.

[0002]

2. Description of the Related Art FIG. 8 shows a general pipe suspension band widely used in the prior art.

[0003] Fig. 8 shows a pipe supporter of a type for supporting a pipe 8 by suspending it from a ceiling. In this type, the height is adjusted by a nut 2 to a suspension bolt 1 having a tip end fixed to a ceiling, and bands 5A and 5B (openable and closable by a hinge mechanism 4) are attached to legs 3A and 3B of a turnbuckle 3 suspended and fixed. Is fixed by bolts 6 and nuts 7 to support the pipe 8. The actual work is first divided into the work of attaching the suspension bolt 1 to the ceiling and the work of attaching the pipe 8 using a pipe support.

When installing the pipe, the nut 7 is loosened and removed from the bolt 6, and one of the suspension bands 5B is opened by the hinge mechanism 4 as shown by a dashed line, and the pipe 8 is opened.
Is disposed inside the suspension band 5A, the removed band 5B is returned, and the ends thereof are fixed with bolts 6 and nuts 7.

When holding the pipe 8, the band 5B is already open from the bolt 6 and the nut 7,
Is removed, it is rotated from the state shown by the imaginary line, and while holding the pipe 8, the circular hole at its end is inserted into the bolt 6, and then the nut 7 is attached and tightened. .

When the position of the pipe is close to the ceiling, a pipe support having a turnbuckle 3 as shown in FIG. 8 cannot be used. It is very difficult to tighten the nut 7 in the upper position.

In order to solve the above problem, a pipe support having a structure in which an attachment portion to the suspension bolt 1 is provided at the center of one side of the half-annular suspension bands 5A and 5B is disclosed in Japanese Utility Model Registration No. 3058296. JP-A-10-238660, 1
No. 1-182743, JP-T-2000-513084 and the like.

[0008]

Problems to be Solved by the Invention
FIG. 9 shows a pipe support shown in Japanese Utility Model Registration No. 96. This piping support is a half-ring annular suspension band 5.
A and 5B are integrally connected by a hinge mechanism 4, and an attachment portion to the suspension bolt 1 is provided at the center of the side of one suspension band 5A, so that a turnbuckle as shown in FIG. 8 is not interposed. It is a structure that can be attached to anchors, studs, etc. arranged near the ceiling.

In the above-mentioned pipe support, since the suspension bands 5A and 5B are tightened by the side of the pipe 8, if the width of the pipe 8 is not large enough to allow an operator's hand to be inserted in the side of the pipe 8, the pipe is not sufficiently wide. Work is difficult.

In the above-mentioned pipe support, the bolts 6 and the nuts 7 are separate and independent elements from the suspension bands 5A and 5B. Often, the bolt 6 may fall off due to the shaking.

In view of the above, it is a first object of the present invention to clarify a hanging band for piping that can be used at a piping position near a ceiling. A second object of the present invention is to
An object of the present invention is to provide a suspension band for piping in which bolts and nuts do not fall off.

[0012]

A suspension band for piping according to the present invention has the following structure. (1) A band-shaped band is formed in a ring shape, and bent portions are formed at both ends of the band to provide through holes respectively, and a mounting hole is provided at a substantially central portion of the band in a state where the mounting portion protrudes to form a through hole. A hanging band for piping, further comprising a band tightening mechanism provided at a bent portion of the band. (2) The pipe suspension band according to (1), wherein the band tightening mechanism includes a bolt and a nut. (3) A mechanism for preventing a bolt or a nut from falling off from a bent portion of the band is provided (1).
Suspension band for piping as described in [1].

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment shown in FIGS. 1 and 2 will be described. In this embodiment, a band 10 is formed in an annular shape, a mounting portion 12 having a through hole 11 for inserting a bolt or the like from a ceiling is provided at a top portion, and a bent portion 13 is provided at an open end of the band 10. In this configuration, through holes for bolts are provided respectively, and bolts 14 and nuts 15 are provided. Band 10
Is formed using, for example, stainless steel such as SUS430. The band 10 has elasticity as a whole,
When the pipe 20 is taken in, it must be widely opened.
It becomes 2.

At the time of actual piping, first, as shown in FIG.
, And the bolt 20 is connected to the anchor 21 attached to the ceiling. In addition, mounting part 1
The means for fixing 2 to the ceiling side is not limited to the configuration using anchor bolts as shown.

To attach the pipe 22, first, the nut 15 is loosened and removed from the bolt 14, and the end of the band 10 is opened. Next, the end of the band 10 is widely opened, the pipe 22 is pushed into the internal space of the band 10 from the opening, the band 10 in the open state is returned, and the bolt 14 and the nut 15 are tightened.

As described above, in the conventional type piping band, the bolt 14 and the nut 15 are separate and independent elements from the band 10, so that the nut 15 is
If removed, the bolt 14 may also fall out of the through hole of the bent portion 13 at the end of the band 10. Therefore, in such a configuration, the nut 15 is removed from the bolt 14, the band 10 is opened, the pipe 22 is provided, and the nut 1 is
The work of engaging and tightening the bolt 5 with the bolt 14 needs to be performed so that the bolt and nut do not fall off.

According to the third aspect of the present invention, a bolt / nut drop-off prevention mechanism is employed in connection with the band tightening mechanism in order to solve the above-mentioned inconvenience.

As an example of the falling-off prevention mechanism, for example, a structure is employed in which a bolt 14 is fixed to one of the bent portions 13 of the band 10 so that the bolt 15 does not fall off even if the nut 15 is removed. Specifically, a mode in which the head of the bolt 14 is crimped to the bent portion 13 of the band 10 (see FIG. 3A, this mode includes a mode in which the bolt 14 is strongly caulked so as not to run idle), a band A mode in which the bolts 14 from which the nuts 15 are removed by scissors the bent portions 13 of the bolts 10 with a head or the like of the bolts 14 and a pin engaging with the bolts 14 (see FIG. 3B) is used. A mode in which the nut 15 is welded or bonded to the bent portion of the band (see FIG. 3-C), a mode in which the nut 15 is welded or bonded to the bent portion 13 of the band 10 (see FIG. 3-D), Separately, a mode in which the bolt 14 is fixed with a thin-walled nut (see FIG. 3E) is adopted.

Further, as a band tightening mechanism which replaces the bolt 14 and the nut 15, Japanese Patent Application No.
The tightening mechanism of the pipe holding fitting proposed in 000-323557 can be applied.

In this embodiment, the tip end of the key rod 30 having the key 31 provided on the head is rotatably fixed to the circular hole 32 formed in the bent portion 12 at the end of the band 10. At the same time, a circular hole 33 for inserting the head of the key stick 30 into the other bent part 12 and a key hole 34 for inserting the protrusion of the key 31 provided on the head of the key stick 30 are provided. And a circular hole 33 through which the head of the key stick 30 is inserted.
, A reverse rotation preventing mechanism 40 for preventing the key 31 from rotating clockwise or counterclockwise is provided. As shown in FIG. 5, in connection with the reverse rotation preventing mechanism 40, a step-up mechanism 41 in which the step 35 of the key 31 slides.
Is provided, and a configuration is adopted in which the amount of tightening of the bent portion 12 of the band 10 is increased in accordance with the amount of rotation of the key rod 30.

FIG. 6 shows an embodiment in which a key 31 is formed by forming projecting portions in two directions on the head of the key stick 30.

In FIG. 7, instead of the locking step 40 and the lifting mechanism 41 shown in FIG.
2 is provided to prevent the key 31 from moving backward.

[0023]

According to the suspension band for piping according to the present invention, it can be used to perform piping close to below from the ceiling, and even if the nut is removed, the bolt does not fall off, so that it is easy to use. Also, since it is only necessary to form one band-like band into a ring and provide a bent part at the end and a mounting part at the center, it is compared with a structure that connects two bands by a hinge mechanism etc. However, there is an advantage that the manufacturing process is simple and the manufacturing can be performed at low cost.

[Brief description of the drawings]

FIG. 1 is a five-side view showing an embodiment of a suspension band for piping according to the present invention.

FIG. 2 is a partial cross-sectional view showing a use state.

FIG. 3 is a front view showing a band tightening mechanism.

FIG. 4 is a partial cross-sectional view showing another embodiment of the band tightening mechanism.

FIG. 5 is a perspective view of a main part showing another embodiment of a band tightening mechanism.

FIG. 6 is a perspective view of a main part showing another embodiment of a band tightening mechanism.

FIG. 7 is a perspective view of an essential part showing another embodiment of a band tightening mechanism.

FIG. 8 is a front view showing a conventional product.

FIG. 9 is a front view showing a conventional product.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10-Band 11-Hole 12-Mounting part 13-Bent part 14-Bolt 15-Nut 20-Bolt 21-Anchor 22-Piping 30-Key rod 31-Key 32-Circular hole 33-Circular hole 34-Key hole 35-step portion 40-locking step portion 41-raising mechanism 42-projection

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[Procedure amendment]

[Submission date] September 4, 2001 (2001.9.4)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

Claims (3)

[Claims] 1. A band-like band is formed in an annular shape, and bent portions are formed at both ends of the band to provide through holes respectively.
A hanging band for piping, wherein a through hole is provided by protruding a mounting portion at a substantially central portion of the band, and a band tightening mechanism is provided at a bent portion of the band. 2. The pipe suspension band according to claim 1, wherein the band fastening mechanism comprises a bolt and a nut. 3. The hanging band for a pipe according to claim 2, further comprising a mechanism for preventing the bolt or the nut from falling off from the bent portion of the band.