JPH0979434A - Suspension band for pipeline - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the suspension band for a pipeline, which is so easy-to-use as to be capable of supporting (mounting) a pipeline with one hand, and also can firmly fix the pipeline. SOLUTION: In the suspension band for a pipeline in a configuration that the end of the suspension band is fixed by a bolt and a nut to the leg parts of a turnbuckle to be mounted to the lower end side of a suspension bolt the upper end of which is fixed to a ceiling slab, the leg parts of the turnbuckle are combined with one suspension band by a nut. In this case, the nut is fastened by a nut fixing means 7A such as hard locking, welding, bonding and the like, and concurrently the bolt is rotatably fixed to the end part of the other suspension band by a bolt fixing means 6A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping suspension band used for suspending piping for air conditioning and sanitary equipment, gas, water, etc. from a ceiling or the like.

[0002]

2. Description of the Related Art As a suspension band for piping, the structure shown in FIG. 6 is widely used. The prototype of this type is disclosed in Japanese Utility Model Publication No. 29-12480. In this type of suspension band for piping, the upper end of a suspension bolt 1 is fixed to an internal thread of an insert embedded in a ceiling slab, and a turnbuckle 3 is attached to the suspension bolt 1 via a nut 2 so as to be adjustable in height. The pipe 8 is fixed by tightening each end of the suspension bands 5A and 5B connected to both legs 3A and 3B of the turnbuckle 3 by the hinge mechanism 4 with bolts 6 and nuts 7. Various types of modifications of this configuration have been proposed or implemented.

In the actual work, the work of fixing the illustrated suspension band for piping to the insert embedded in the ceiling slab is performed in advance, and then the work of actually fixing the pipe 8 is performed. When fixing the pipe 8, the nut 7 is removed once, the side of the hanging band 5B is released, the pipe 8 is passed through the inside, and then the hanging band 5B is returned to the original position and tightened by the nut 7. .

[0004]

In the piping suspension band shown in FIG. 6, the bolt holes prepared at the ends of the legs 3A and 3B of the turnbuckle 3 and the suspension bands 5A and 5B are so-called stupid holes. Therefore, when the nut 7 is removed at the stage of attaching the pipe 8 and the hanging band 5B is released to the state shown by the imaginary line, the bolt 6 often comes off from the intermediate fitting 3. Therefore, it is necessary to temporarily fix the nut 7 removed to release the suspension band 5B to the bolt 6 again.

[0005] In this regard, the following configuration is known as a technique for improving workability. That is, Japanese Utility Model Application Laid-Open No.
In the technique disclosed in Japanese Patent Publication No. 5 (1993), a turnbuckle and a suspension band are riveted to each other with a fastening band. The technique disclosed in Japanese Utility Model Publication No. 56-35588 has a structure in which a turnbuckle and a suspension band are integrally formed, and a projection provided at the tip of the suspension band is hooked into a hole formed at the base of the suspension band. is there. 4-10759
In the technique disclosed in Japanese Patent Publication No. 2 (1993) -1995, a turnbuckle and a suspension band with a lower end released are integrally formed, and a bolt and nut are rotatably fixed to one of the lower end release portions of the suspension band, and a lower end release portion of the suspension band is formed. Is inserted into the notch provided on the other side and tightened. Shokai 63-4528
The technique disclosed in Japanese Patent Publication No. 1 is configured such that a turnbuckle is also used as a suspension band, and is screwed to a full-screw support rod screwed to the turnbuckle with a nut rotatably fixed to a tip of the suspension band. .

However, in the above techniques (1) to (4), if the water hammer phenomenon occurs in the supported pipe, the pipe may fall off, and the above technique does not improve workability.

According to the present invention, a hanging band for piping which can solve the above-mentioned poor workability, can be used to support (install) the piping with one hand, and can be firmly fixed, is clarified. The purpose is to do.

[0008]

According to the present invention, a suspension band for piping according to the present invention has a leg of a turnbuckle attached to the lower end of a suspension bolt whose upper end is fixed to a ceiling slab or the like. In the type of piping suspension band whose parts are fixed, the leg of the turnbuckle and the end of one of the suspension bands are connected with a nut, and this nut is fixed by firm caulking, welding, bonding, etc. 7A), the bolt is rotatably fixed to the end of the other suspension band by bolt fixing means (6A), and the turn is attached to the lower end of the suspension bolt whose upper end is fixed to a ceiling slab or the like. In a type of piping suspension band where the ends of the suspension band are fixed to the buckle legs with bolts and nuts,
While the leg of the turnbuckle and the end of one of the suspension bands are connected by a nut, the nut is rotatably fixed by a nut fixing means (7B) such as a gentle crimping stop and a collar, and at the same time, the other Bolt fixing means (6B) for fixing the bolts to the ends of the hanging band by firmly crimping, welding, bonding, etc.
Each is characterized in that it is fixed so that it cannot rotate.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the embodiment shown in FIG. 1, the upper end of a suspension bolt 1 is fixed to a female screw of an insert embedded in a ceiling slab, and a turnbuckle 3 is raised by a nut 2 on this suspension bolt 1. Of the suspension bands 5A and 5B, which are attached to both leg portions 3A and 3B of the turnbuckle 3 by a hinge mechanism 4 (which may be a hinge type, a combination type, or a lantern type). The pipe 8 is fixed by attaching the ends.

In the conventional suspension band shown in FIG. 6, both legs 3A and 3B of the turnbuckle 3 and the upper ends of the suspension bands 5A and 5B are fastened with ordinary bolts and nuts. Therefore, the above-mentioned inconvenience is caused.

Therefore, in the present invention 1, as shown in FIG.
The upper end of one suspension band 5A and both legs 3A and 3B of the turnbuckle 3 are connected by a nut 7, and the nut 7 is prevented from being rotated along with the rotation of the bolt by a method such as firm caulking, welding and bonding. To the other end of the suspension band 5B, and a bolt 6 is attached to the end of the other suspension band 5B.
A structure is adopted in which the nuts 7 are rotatably fixed by A, and the nuts 7 are not detached from the hanging bands 5A and 5B even when the nuts 7 are removed from the bolts 6 as shown in the drawing. Further, in the present invention 2, as shown in FIG. 5, the upper end of one suspension band 5A and one leg portion 3A or both leg portions 3A and 3B of the turnbuckle 3 are loosely caulked with a nut 7, a collar portion, etc. With the structure described above, the bolt 6 is rotatably fixed, and the bolt 6 is fixed to the end of the other suspension band 5B by means of bolt fixing means 6A such that it cannot be rotated by firm caulking, welding, bonding, etc., and the nut 7
Fix the bolt 6 so that it does not rotate even if it is rotated,
As shown in the drawing, even if the nut 7 is removed from the bolt 6, the structure does not drop from the suspension bands 5A and 5B.

The structure of the crimping stop portion of the nut 7 is shown in FIG. 2A. To prevent the nut 7 from being crimped,
It is so strong that it cannot rotate (invention 1) or is so gentle that the nut 7 can rotate freely (invention 2).

FIG. 2B shows a mode in which the nut 7 is fixed by welding. As shown in the figure, it can be rotated by spot welding to the end of the nut 7 (invention 2), and by welding between the leg 3B of the turnbuckle 3, the nut 7 can be rotated. It can be made non-rotatable (Invention 1).

FIG. 2C shows a mode (the present invention 1) in which the nut 7 is fixed with an adhesive.

The fixed state of the bolt 6 is shown in FIG. The bolt fixing means 6A shown in FIG. 3A is a ring-shaped or disc-shaped member made of rubber, a soft synthetic resin material, a foam synthetic resin material, or the like, so that the suspension band 5B is sandwiched between the bolt head and the head. The bolt 6 is inserted into the bolt 6 and is locked so that the bolt 6 is rotatable and cannot fall off (invention 1). Further, it may be fixed by being tightened with an annular metal material such as a spring washer (the present invention 2), and further, by crushing a part of the bolt to form a collar portion, it is rotatable. In addition, the structure (the present invention 2) that prevents the device from falling off may be used.

As shown in FIG. 3B, spot welding (Invention 2) may be used.

The bolt 6 can be fixed only if the nut 7 cannot rotate, and if the nut 7 can rotate, the bolt 6 can be fixed (invention 1). Become.

Therefore, according to the first and second aspects of the present invention, one of the bolt 6 and the nut 7 is in a fixed state and does not rotate together. Therefore, since it is not necessary to press both the bolt 6 and the nut 7 by hand when tightening, work with one hand is possible.

The embodiment shown in FIG. 4 shows an embodiment in which the turnbuckle 3 and the suspension band 5A are formed of a single plate material. The configuration of other parts is the same as that of the above-described embodiment. The embodiment shown in FIG. 5 is an embodiment in which the upper end of the suspension band 5A is caulked by the nut 7 to one leg portion 3A of the turnbuckle 3 and the other leg portion 3B is free.
The configuration of other parts is the same as that of the above-described embodiment.

[0020]

According to the piping suspension band of the present invention, as shown in FIG. 1 or 5, even when the bolt 6 and the nut 7 are released when the piping 8 is attached, the turnbuckle 3 is provided for each of them. Legs 3A and 3B or hanging band 5A
・ Does not fall off from the end of 5B. Therefore, the work of holding the bolts 6 and the nuts 7 and the temporary fixing work, which are required in the conventional work using the suspension band, are unnecessary, and the bolts and the nuts can be tightened with one hand, which is very convenient and remarkable. There is an advantage that the work efficiency can be improved, and since it can be firmly fixed, it is possible to prevent the pipe from dropping due to the water hammer phenomenon.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention 1. FIG.

FIG. 2 is an enlarged sectional view of a main part of the present invention.

3A is a sectional view showing a bolt fixing means of the invention 1 and B of the invention 2. FIG.

FIG. 4 is a front view showing another embodiment of the present invention 1.

FIG. 5 is a front view showing an embodiment of the present invention 2.

FIG. 6 is a front view showing a conventional product.

[Explanation of symbols]

 1-Suspension bolt 2-Nut 3-Turnbuckle 3A-Leg part 3B-Leg part 4-Hinge mechanism 5-Suspension band (whole) 5A-Suspension band 5B-Suspension band 6-Bolt 6A-Bolt fixing means (rotatable) ) 6B-Bolt fixing means (non-rotatable) 7-Nut 7A-Nut fixing means (non-rotatable) 7B-Nut fixing means (rotatable) 8-Piping

Claims (2)

[Claims] 1. A hanging band for pipes of the type in which the ends of the hanging band are fixed by bolts and nuts to the legs of a turnbuckle that is attached to the lower end of a hanging bolt whose upper end is fixed to a ceiling slab or the like. The leg of the buckle and the end of one suspension band are connected with a nut, and the nut is fixed by a nut fixing means (7A) such as firm caulking, welding, and adhesion, and the end of the other suspension band is also fixed. A suspending band for piping, characterized in that a bolt is rotatably fixed to the shaft by a bolt fixing means (6A). 2. A suspension band for pipes of the type in which the ends of the suspension band are fixed by bolts and nuts to the legs of a turnbuckle attached to the lower end of the suspension bolt whose upper end is fixed to a ceiling slab or the like. The leg of the buckle and the end of one of the suspension bands are connected by a nut, and the nut is rotatably fixed by a nut fixing means (7B) such as a gentle crimping stop and a collar.
A suspension band for piping, characterized in that a bolt is fixed to the other end of the suspension band by a bolt fixing means (6B) such as firm caulking, welding, and bonding so as not to rotate.