JPH0953758A - Piping band installing device of piping tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a piping metal hanger so as to take up a piping pipe by one hand and fix the piping pipe by the other hand. SOLUTION: A bolt head holding means 26 which consists of a pair of projection parts and for receiving a bolt 30 head is arranged on one opposing fixing piece 24 of a hanging band 20, and a bolt shaft holding means 15 for elastically holding a bolt shaft by a cushion piece material is arranged on the installing part 12 of a turn buckle 10, and thereby, a piping hang metal fitting A is constituted. A hang band 20 is hung on the turn buckle 10 by a means so that slip-off of a bolt 30 is held by the bolt shaft holding means 15. In case where a piping pipe C is taken up by one hand of a lone worker and a nut 31 is fastened by one hand operation per piping metal hanger A, a simple piping is carried out by rotation stop action of a bolt head holding means 26.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping band mounting device for a piping tool used for piping in a building.

[0002]

2. Description of the Related Art In the case of building piping, a plumbing tool for supporting and fixing a piping pipe is, for example, a semicircular pair divided, and a hanging band which is openably and closably connected by a hinge, a standing band integrally formed in an arc shape, and the like. The piping band is to be used by being attached to a mounting base such as a turnbuckle anchored to the slab surface or a battledore anchored to the wall surface. The mounting is generally a projecting projection at one end of the piping band. The mounting portion of the mounting base is inserted between the pair of opposed fixing pieces, and bolts are inserted into bolt loose fitting holes provided in these and the bolts are fastened with nuts.

[0003]

However, in this case, however,
In order to facilitate the insertion of the bolt in the inserted state of the mounting portion and improve the workability, the bolt loose fitting hole provided in the facing fixing piece of the above piping bolt and the mounting portion of the mounting base is more than the shaft diameter of the bolt. Since it is assumed that it is due to a large diameter through hole,
When screwing the nut onto the tip of the bolt, it is difficult for the nut screwing device to operate because the tip of the bolt swings and the tip is not fixed. When tightening the nut, the bolt rotates as the nut rotates and the nut It has a problem that it is difficult to tighten, and further, the bolt inserted into the loose bolt fitting hole in the state where the above-mentioned mounting part is inserted falls off before the nut is screwed and the piping bolt is removed from the mounting base. It is easy to cause the result of coming off,
For example, by inserting a bolt, the piping band is temporarily attached to each mounting base in advance, and the hanging band is closed to arrange the piping pipe, or the standing band holding the piping pipe is positioned. If the nuts are screwed on and tightened in order, a single worker can efficiently perform the piping work. In this case, the worker must screw on the nuts and tighten the nuts. Since it is not possible to press the bolts on the parts other than the object to be worn, there is a problem that a single worker cannot eventually perform the above-described piping work due to the bolt falling off and the pipe band coming off. ing.

The present invention has been made in view of such circumstances, and the problem to be solved is to maintain the easiness of insertion of a bolt by using the above-mentioned bolt loose fitting hole.
First, it provides a piping band mounting device for piping tools that facilitates threaded mounting and tightening of nuts and contributes to efficient piping work, and secondly, in addition to this, further installs bolts before mounting nuts It is an object of the present invention to provide a piping band attaching device for a piping tool that prevents the pipe band from coming off and coming off due to it and contributes to efficient piping work by an independent operator.

[0005]

According to the first aspect of the present invention, in the present invention, for example, press working is performed in the vicinity of the bolt loose fitting hole of one of the opposing fixing pieces in the latter of the mounting base and the piping band. Or by bonding, welding, etc.
The bolt head holding means is formed by a pair of projecting portions for receiving the bolt head which sandwiches the bolt loose fitting hole, forms a rotation preventing means and a positioning holding means for the bolt, and has a bolt head holding means for fulfilling its function. According to the second problem, in addition to this, a bolt that is inserted into the bolt loose fitting hole is temporarily held by either the mounting base or the piping band, for example, elastically, hooked, or frictionally held. Yes, using a bolt retaining means,
According to the first aspect of the present invention, the mounting portion of the mounting base body is inserted between the pair of opposed fixing pieces according to the first aspect of the present invention. Then, in the piping tool in which the bolts are inserted into the loose fitting holes provided in them and fastened with the nuts by the nuts, the piping band is attached to the mounting base. Bolt head having a pair of projecting portions for receiving a bolt head arranged so as to partially project toward the front surface side of the bolt fixing hole in the vicinity of the bolt loose fitting hole. A piping band mounting device for a piping tool, characterized in that it comprises a holding means.
The bolt head holding means according to claim 1 is formed by a press-molding protrusion formed by pressing so that the facing fixing piece is partially protruded from the back surface toward the front surface side. According to a second aspect of the present invention, there is provided a band attachment device, wherein the attachment part of the attachment base according to the first or second aspect is provided with a bolt shaft holding means for temporarily holding and holding a bolt through which the bolt loose fitting hole is inserted. 5. A piping band attaching device for a piping tool, which is additionally provided.
According to the above-mentioned second problem, a bolt shaft holding means for temporarily holding and holding a bolt through which the bolt loose fitting hole is inserted is added to both or one of the opposing fixing pieces of the pair of piping bands according to claim 1 or 2. A pipe band mounting device for a pipe fitting, characterized in that the mounting base according to any one of claims 1 to 4 is a turnbuckle, A piping band mounting device for a piping tool, wherein the band is a hanging band that can be opened and closed by a hinge for hanging the band on the turnbuckle, and these are means for solving the above problems as the gist of the invention.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail below with reference to the drawings showing an embodiment. In FIGS. 1 to 6, A denotes a pipe fitting, and in this embodiment, a slab is provided via a suspension bolt 1. A pipe hanging metal fitting 10 for suspending and supporting the pipe C on B is a mounting base thereof, and in the present example, a turnbuckle is fixed to the hanging bolt 1 by a rotating nut 11, and 20 is the same. In the present embodiment, the turnbuckle 1 is a suspension band in which a pair of semicircular pipe receiving portions 21 in this example are openably and closably connected by a hinge 23 at the lower end side.
0 and the hanging band 20 are formed by inserting the mounting portions 12 of the turnbuckle 10, which is also a pair of facing hanging parts in this example, between the facing fixed pieces 24 forming a pair of facing hanging pieces of the hanging band 20. The hanging band 20 is hung and fixed to the turnbuckle 10 by inserting the bolt 30 into the bolt loose fitting holes 14 and 25 provided in the above and tightening it with the nut 31.

At this time, the facing fixing piece 24 is arranged in the vicinity of the bolt loose fitting hole 25 of one of the facing fixing pieces 24 of the pair of suspension bands 20 so as to partially project toward the surface side thereof. The bolt head holding means 26 is provided for receiving the bolt head, and includes a pair of projecting portions 27 sandwiching at least the bolt loose fitting hole 25.
The opposed fixing piece 24 is formed by a press-molding projection part partially formed by pressing from the back surface to the front surface side, and in this example, the bolt is attached to the mounting portion 12 of the turnbuckle 10 which is the mounting base. A bolt shaft holding means 15 for temporarily holding and holding the bolt 30 inserted through the loose fitting hole 14 is provided, which contributes to efficient piping work, and further enables an independent operator to perform efficient piping work. It is as a contribution.

That is, in this example, the bolt head holding means 26 of the suspension band 20 has the pipe receiving portion 21 which one of the pipe receiving portions 21 of the suspension band 20 has at the time of press molding.
By simultaneously performing press working toward the front surface side on the opposing fixed pieces 24 that stand upright, a pair of opposed press projecting portions 27 that partially protrude toward the front surface side are provided. The protruding portion 27 of the press work is
The position is set to the bolt loose fitting hole 2 in the facing fixing piece 24.
5 are sandwiched between them, and they are located on both sides in the vicinity of the outer peripheral side thereof, and at the positions, strips are formed in the vertical direction, respectively, and the upper and lower ends are integrated with the facing fixing piece 24, and the opposite fixing pieces 2 are broken to form the facing fixing piece 2.
4 projecting parallel to the surface side in the form of a raised bridge, the inner spacing between the pair is approximately matched with the outer dimension of the parallel side of the hexagonal head of the bolt 30, and this is received so that it can be inserted and removed. The length of the opposite side of each protruding portion 27 is approximately matched with the length of one side of the hexagonal head of the bolt 30. This allows the hanging band 20 to be attached to the turnbuckle 10 when the hanging band 20 is attached. Facing fixed piece 24
When the mounting portion 12 of the turnbuckle 10 is inserted between them and the bolt 30 is inserted into each of the bolt loose fitting holes 14 and 25, the bolt 30 is inserted from the facing fixing piece 24 side provided with the bolt head holding means 26. By forming the bolt head between the projecting portions 27, the bolt head holding means 26 receives the bolt head and presses the bolt head by hand against the opposing fixing piece 24 side, The bolt head is prevented from rotating and the bolt 30 is positioned and retained so as to fulfill its function. When the nut 31 is screwed and mounted by the other hand, the bolt 30 is prevented from swinging as much as possible. , To facilitate this and tighten the nut 31,
The rotation of the bolt 30 due to the rotation of No. 1 is prevented, and this can be performed easily and surely.

Further, in this embodiment, the bolt shaft holding means 15 of the turnbuckle 10 is the mounting portion 1 of the turnbuckle 10.
By reducing the diameter of the bolt loose fitting hole 14 between the pair of opposed hanging portions 13 forming two, the bolt loose fitting hole 14
It is formed by interposing a cushioning piece member through which a through hole 16 for the bolt 30 that elastically and temporarily holds the inserted bolt 30 is provided. Among the foamed synthetic resins, a thick wall made of foamed polyethylene is used to reduce the diameter of the bolt loose fitting hole 14, and the shaft diameter of the bolt 30 is slightly smaller than the shaft diameter of 8 mm, for example, 7 mm. It is assumed that a disc-shaped member having a through hole 16 is used to intervene by elastically press-fitting and holding it between the pair of opposed hanging parts 13, whereby the hanging band 20 When attaching to the turnbuckle 10, bolt shaft holding means 15
Serves as a bolt retaining means for temporarily retaining and holding the bolt 30 inserted through the bolt loose fitting hole 14 by the bolt shaft elastically and preventing the bolt 30 from falling off. At this time, the above-mentioned bolt head is also provided. In combination with the holding means 26, in the piping suspension fitting A of this example, a single operator can carry out the piping of the piping pipe C by sequentially holding the piping pipe C with one hand and operating it with one hand. Is done.

This will be described with reference to the procedure of piping using the piping suspension fitting A of this example. The piping is installed by the individual operator on the slab B via the suspension bolts 1, and the turnbuckle 10 is installed in each step. Installation process of the suspension band 20 by cantilever suspension of each suspension band 20 to the turnbuckle 10, nut tightening process of sequentially securing each suspension band 20 of the pipe pipe C holding nut 31 and supporting and fixing the pipe pipe. That is, the step of installing the turnbuckle 10 is performed by suspending and fixing the turnbuckle 10 with the rotating nut 11 to the suspension bolt 1 having a predetermined interval, and installing the turnbuckle 10 on the slab B at a predetermined interval in advance. Is a process,
The installation process of the hanging band 20 depends on each turnbuckle 10
The opposing fixing piece 24 on the side where the bolt head holding means 26 is provided is brought into contact with one side of the mounting portion 12 of, and the bolt 30 is inserted from the bolt loose fitting hole 25 on the opposite fixing piece 24 side in the open state of the turnbuckle 10. , Through the bolt shaft holding means 15 through the pair of opposed hanging parts 13 forming the mounting part 12 of the turnbuckle 10, and suspending each of the open hanging bands 20 in a cantilever manner in advance on each turnbuckle 10. In the nut tightening step, an independent operator then holds the piping pipe C with one hand and closes the hanging band 20 with the other hand at each position of the piping hanging metal fitting A, and then the piping pipe C. And the tip of the bolt 30 is inserted into the bolt loose fitting hole 25 of the other facing fixing piece 24 of the suspension band 20.
A nut 31, which is, for example, a wing nut, is screwed and attached to the tip, and is rotated and tightened to sequentially attach the nut 31 to the suspension band 20 that is preliminarily cantilevered and installed on the turnbuckle 10. It is a step of fastening and completing the piping of the piping pipe C.

At this time, in the pipe hanger A of this example,
In the installation process of the suspension band 20, the bolt shaft holding means 15
However, the bolt shaft is elastically held to prevent the bolt shaft from slipping out, and especially when the suspension band 20 is opened, the turnbuckle 10
By suspending the bolt 30 in a cantilevered manner in a state of being displaced to the outer side of one side of the mounting portion 12, the bolt 30 is pulled out and suspended by the bolt 30 despite the load being displaced to the bolt head side. The band 20 is prevented from falling off and the waiting state of the nut tightening process is maintained, and in the nut tightening process, the bolt head holding means 26 holds the bolt 30 in position and holds it. Motion to facilitate screwing of the nut 31 and prevent rotation of the bolt 30,
In this example, the bolt shaft holding means 15 further positions and holds the bolt 30 so as to eliminate the rocking of the bolt while tightening the nut 31 easily and securely. By using the cushioning piece member as the shaft holding means 15, the tightening strength of the nut 31 in the nut tightening step can be sufficiently secured as if a spring washer is interposed, and the looseness Leading to the elimination of possibilities.

FIGS. 7 to 10 show another example of the bolt shaft holding means 15 in the pipe suspending fitting A having both the bolt head holding means 26 and the bolt shaft holding means 15. 7, a bolt shaft holding means 15 is formed of a pair of foamed polyethylene cushioning piece members having the same structure, and a pair of opposed hanging parts 13 that form a mounting part 12
FIG. 8 shows an example in which the cushioning piece member of the bolt shaft holding means 15 has a through hole 16 which can be expanded by a radial cutout 17, 9 shows an example in which the bolt shaft is elastically held by the elastic property. FIG. 9 shows that the bolt shaft holding means 15 is a spring washer-shaped spring metal member having elasticity in the width direction and the through hole 16 is formed. Is configured to have a diameter smaller than that of the bolt loose fitting hole 14, and the bolt shaft is retained by a hook of the male screw.
In FIG. 10, the cushioning piece member of the bolt shaft holding means 15 is made of a friction material such as rubber, and the through hole 16
Is an example in which the bolt shaft is made to have a diameter equal to or slightly larger than that of the bolt shaft so as to frictionally hold the bolt shaft, and these can have the same effect as the piping by the process similar to the above.

Since the remainder does not change, the same reference numerals are given and the description thereof is omitted.

In the figure, 2 is a hole-in anchor for installing the suspension bolt 1, and 22 is a reinforcing rib of the pipe receiving portion 21.

Although the illustrated example is as described above, the bolt head holding means is formed by a pair of upper and lower projections that sandwich the bolt loose fitting hole, or a pair of diagonally projecting portions, or a pair of protrusions that sandwich the bolt loose fitting hole. In addition to the parts, a third or more independent or continuous protrusions are arranged, the protrusions are formed in the shape of raised points or a plurality of raised points, and the protruding portions are formed in different shapes. The member is retrofitted to the facing fixing piece by a fixing means such as adhesion or welding, and when it is a press-molding protruding portion, this is formed by a cut-and-raised piece, and the bolt shaft holding means is the above-mentioned mounting base. In place of the pair of piping bands, one or both of the opposing fixing pieces may be configured as bolt shaft holding means for temporarily holding and holding the bolts through which the bolt loose fitting holes are inserted. Front side or Arranged on the surface side, or be provided with disposed on the front and back both between the pair, the bolt shaft holding means,
When using a piece member or cushioning piece member, use foamed or non-foamed synthetic resin or synthetic rubber or metal, and hold the bolt shaft of the bolt shaft holding means elastically or frictionally. , Hooks or combinations of these, and the pipe fittings to be the pipe fittings by the base plate of the mounting base and the standing band of the piping band or the remaining piping fittings, including the bolt head holding One or both of the means and the bolt shaft holding means are used, and when both of them are used, positioning of the standing band holding the piping pipe is performed by a single operator and piping is performed. There are various embodiments of the present invention, such as a process similar to or similar to the above, and the embodiments and aspects of the present invention including them are included. , Unless contrary to the gist of the invention, its shape, material, structure, size, number, mutual relationship, the addition or the like can variously changed, falls short of limited to those described above.

[0016]

Since the present invention is configured as described above,
According to the first aspect of the present invention, the bolt head holding means serves as a rotation preventing means and a positioning holding means for the bolt, and by fulfilling its function, the bolt loose fitting hole is used to ensure the ease of inserting the bolt, while the bolt is shaken. The problem that it is difficult to screw in the nut because it moves and the tip is not fixed and the problem that it is difficult to tighten the nut because the bolt rotates with the rotation of the nut are solved, and the nut is screwed in. It is possible to provide a pipe band attaching device for a pipe tool that facilitates the operation, can tighten the nuts easily and surely and firmly, and has a simple structure, low cost, and contributes to efficient pipe work.

According to the present invention, in addition to the above, the bolt head holding means is formed by a press-molding protrusion formed by press working. Therefore, this can be formed and installed at the same time when the pipe band is press-molded. Can be of low cost.

In addition to the above, claims 3 and 4 are:
Since the mounting base or the piping band is additionally provided with a bolt shaft holding means, it is possible to reliably prevent the bolt from falling off and the piping band from coming off due to this. A pipe band attachment device for a pipe tool that is suitable for screwing and fastening a nut with one hand and contributes to efficient pipe work by a single operator.

According to claim 5, in addition to the above, the pipe fitting is a pipe hanging metal fitting made of a turnbuckle and a hanging band. It is possible to allow a person to perform piping work.

[Brief description of drawings]

[Figure 1] Front view showing the installation state of the piping suspension fittings

[Fig.2] Enlarged front view of the piping hanger

[Fig. 3] Enlarged side view of the piping hanger

[Fig. 4] Enlarged exploded perspective view of the piping hanger

FIG. 5 is a perspective view showing an installation state of a suspension band.

FIG. 6 is a partially enlarged perspective view of a bolt head holding means.

FIG. 7 is a partially enlarged front view showing another example.

FIG. 8 is a partially enlarged perspective view showing another example.

FIG. 9 is a partially enlarged exploded perspective view showing another example.

FIG. 10 is a partially enlarged perspective view showing another example.

[Explanation of symbols]

 A Piping suspension fitting B Slab C Piping pipe 10 Turnbuckle 12 Mounting part 14 Bolt loose fitting hole 15 Bolt shaft holding means 20 Suspension band 23 Hinge 24 Opposing fixing piece 25 Bolt loose fitting hole 26 Bolt head holding means 27 Projection portion 30 Bolt 31 nut

Claims (5)

[Claims] 1. A pipe band is attached to the above-mentioned mounting base by inserting a mounting portion of the mounting base between a pair of opposed fixing pieces and inserting bolts into bolt loose fitting holes provided in these and tightening them with nuts. In such a piping tool, a bolt head receiving member is provided in the vicinity of a bolt loose fitting hole of one of the pair of facing fixing pieces of the piping band so that the facing fixing piece is partially projected toward the surface side thereof. A piping band attaching device for a piping tool, comprising: a bolt head holding means composed of a pair of projecting portions sandwiching a bolt loose fitting hole. 2. The bolt head holding means according to claim 1, wherein the bolt head holding means is formed by a press-molding protrusion formed by press working so as to partially project the facing fixing piece from the back surface toward the front surface side. Piping band attachment device for piping equipment. 3. The mounting portion of the mounting base according to claim 1 or 2,
A piping band attaching device for a piping tool, further comprising a bolt shaft holding means for temporarily holding and holding a bolt through which the bolt loose fitting hole is inserted. 4. A bolt shaft holding means for temporarily holding and holding a bolt through which the bolt loose fitting hole is inserted, is additionally provided to both or one of the pair of opposing fixing pieces of the pair of piping bands according to claim 1 or 2. Piping band mounting device for characteristic piping tools. 5. A piping band for a piping tool, wherein the mounting base according to any one of claims 1 to 4 is a turnbuckle, and the piping band is a hanging band that can be hingedly opened and closed to be suspended and mounted on the turnbuckle. Mounting device.