JP2000274587A - Connecting fitting of piping rack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save construction by reducing cutting work of end length of a piping rack. SOLUTION: A connecting fitting 1 of a piping rack capable of connecting one piping rack A and other piping rack A to each other correspondingly even when an interval between them is in any degree when the interval between the one piping rack A and the other piping rack A is within a specified range is furnished with an installing part 10 to be installed on a piping rack surface through installing holes 1a, 1a corresponding to connecting holes A10, A10 provided on an end part of the one piping rack and an adjusting part 11 continuously provided from the installing part and free to drill holes to be overlapped with the connecting holes A10, A10 of the other piping rack.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe rack connection fitting.

[0002]

2. Description of the Related Art A pipe rack of a large air conditioner or the like is cut into a standardized predetermined length, and a connection hole for connecting the pipe racks to each other at an end portion by using a connection bracket of the pipe rack. Are drilled in advance. However, when pipe racks are connected to each other using pipe rack connection fittings at the site, the pipe racks become too small or too small at corners, etc. An end scale is created for the mounting hole that has been drilled in advance.

[0003] Therefore, when an end rule occurs, the end of the piping rack is cut off at the site. Then, the connecting hole provided in the end portion in advance is also cut off, so that it is necessary to form a connecting hole in a portion which is a new end portion.

[0004]

By the way, there is a possibility that an end rule is frequently generated at each corner. In the work of cutting off the end rule and drilling a new connection hole at the site as described above, Since the operation is very troublesome, there is a problem that the operation time is increased and an extra piping rack is required, which increases the cost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and reduces the work of cutting off end pieces and reduces the frequency of use of cutting tools. The present invention is to provide a connecting bracket.

[0006]

According to the present invention, in order to solve the above problems, the distance between one piping rack and the other piping rack is within a predetermined range. A pipe rack connection fitting capable of connecting the two pipe racks in a corresponding manner regardless of the distance between the pipe racks, and a mounting bracket corresponding to a connection hole provided at an end of one of the pipe racks. It is characterized by comprising an attachment portion attached to the pipe rack surface through the hole, and a pierceable adjusting portion connected to the attachment portion and overlapping with a connection hole of another piping rack.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A connection fitting for a piping rack according to an embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 is a perspective view for explaining a pipe rack connection fitting for connecting pipe racks of the same width, and FIG. 2 is a perspective view for explaining a pipe rack connection fitting for connecting pipe racks of different widths.

In FIG. 1, A is a piping rack, and 1 is a fitting for the piping rack. The piping rack A has two main bodies A _{1 and} A ₁ made of a steel plate having a U-shaped cross section and the two main bodies A _{1 and} A _1.
1 a plurality of support members A ₂ for keeping parallel _the, ... configured to include a A _2. The piping rack A is cut into a standardized predetermined size. The main bodies A _1, A ₁ are held parallel to each other by supporting members A _2, ..., A ₂ arranged at appropriate intervals, with their U-shaped openings facing each other. Body A
The connection holes A ₁₀ and A ₁₀ for connecting the pipe racks A to each other using conventional connection fittings (not shown) are provided near both ends of the _first connection rack A.
₁₀ are pre-drilled. The connection fitting 1 is not limited to this, but is made of, for example, a steel plate having an L-shaped cross section.

In the vicinity of one end of the connection fitting 1, a main body A ₁
Connecting hole A _10, the mounting holes 1a corresponding to the A _10, made by mounting portion 10 provided with the 1a is formed on the other end portion side of the main body A ₁ to a position in anticipation of predetermined excess length from the end portion Connection hole A ₁₀ ,
Mounting hole 1b corresponding to A _10, 1b are bored, the mounting hole 1b, is 1b near zone is the adjusting unit 11.

The above-described connecting fitting 1 is used as follows. That, is cut to a predetermined length which is normalized, connecting holes A ₁₀ at both ends, ... preparative plurality of pipes racks A, A ₁₀ are bored, a ... A, to and across at standardized predetermined length A conventional connection fitting (not shown) in which the attachment portion 10 is formed.
The connection work is advanced while connecting and extending the piping rack A from a desired position to a desired position while using.

Then, when reaching the corner or the terminal end, a connection treatment is performed using a corner fitting (not shown) or an end fitting (not shown).
Is cut into a standardized predetermined length, and the connecting hole A
_10, ... so A ₁₀ is one that has been previously bored at both ends, it is hardly match the required length of the site, resulting in Hajaku.

That is, the connection holes A ₁₀ ,... A ₁₀ at the ends of the connected pipe rack A are attached to the mounting holes 1 a of the connection fitting 1.
When the connection fitting 1 is fixed by adjusting the positions of the connection holes 1b, 1b of the connection fitting 1
_It suffices that the position coincides with the position of ₁₀ ,..., A _10. However, if there is a slight deviation, the connecting fitting 1 has an adjusting portion 11 so that the connecting hole of a _10, ... in accordance with the position of a _10, adjusting unit 11 to the new attachment holes 1c, 1c and can be drilled by using a drill.

As described above, new mounting holes 1c and 1
In the connection fitting 1 in which c is perforated, the leading end of the connected piping rack A and the leading end of the other piping rack A are
Using screws B,... B and nuts C,.

That is, the connected piping racks A, A
The connecting fittings 1 and 1 are addressed from the outside. And
First, the connection holes A ₁₀ , A ₁₀ of the connected piping rack A are matched with the mounting holes 1 a, 1 a of the connection fitting 1, and the connection fittings ₁₀ of the connection fittings 1, 1 are fitted to the tip of the connected piping rack A.
Are attached, and screws B,... B and nuts C,. Then, the mounting hole 1 drilled in the adjusting portion 11
c and 1c inevitably correspond to the connection holes A ₁₀ and A ₁₀ of the other piping rack A. Then, the adjusting portions 11 of the connecting fittings 1 can be attached to the end of the other piping rack A using screws B,... B and nuts C,.

That is, in the connecting fitting 1, since the adjusting portion 11 is additionally provided, even if the mounting holes 1b, 1b formed in advance do not fit, the adjusting portion 11 is not provided. If the end of the pipe rack A is generated, a new mounting hole 1c, 1c is formed in the adjustment section 11 so that the pipe rack A connected without cutting the end of the pipe rack A is cut. And the other end of the piping rack A can be connected.

Next, referring to FIG. 2, a description will be given of another fitting of the piping rack. The pipe rack connection fitting shown in FIG. 2 connects pipe racks of different widths, whereas the connection fitting 1 shown in FIG. 1 described above connects pipe racks of the same width. is there.

In FIG. 2, A and E are piping racks, and 2 is a connecting bracket for the piping rack. The piping rack A is the same as the piping rack A shown in FIG. 1 described above. Therefore,
Detailed description of the piping rack A is omitted. Piping rack E
Are two steel plate-shaped main bodies E _{1 and} E ₁ ,
A plurality of support members E ₂ for keeping the body E _1, E ₁ of the present _parallel,
... configured to include a and E _2. Supporting material E for piping rack E
₂ is shorter than the support material A ₂ of the pipe rack A.
That is, the width of the piping rack E is smaller than the width of the piping rack A. The cross-sectional shape of the body E ₁ of the pipe rack E and body A ₁ of the pipe rack A are the same.

The piping rack E is cut into a predetermined standardized size. The main bodies E _{1 and} E ₁ have their U-shaped openings facing each other, and are kept parallel by supporting members E _2, ... E ₂ arranged at appropriate intervals. The near both ends of the body E _1, connection for connecting the the pipe rack A pipe rack E using conventional connecting fitting (not shown) holes E _10, E ₁₀ is previously bored .

The connection fitting 2 is not limited to this.
There are no, but for example, steel
Each part is bent at 90 degrees to form a substantially Z-shape
Has been established. In the vicinity of one end of the connection fitting 2, a book
Body E₁Connection hole E_Ten, E_TenMounting holes 2a, 2a corresponding to
Is formed in advance. Also,
The piece including the other end of the metal fitting 2 has a predetermined extra length from the end.
Body A at expected position ₁Connection hole A_Ten, A_TenCorresponding to
The mounting holes 2b, 2b are formed, and the mounting holes 2b, 2b,
The area around 2b is an adjusting unit 21.

The connection fitting 2 as described above is used as follows. That, is cut to a predetermined length which is normalized, connecting holes A ₁₀ at both ends, ... preparative plurality of pipes racks A, A ₁₀ are bored, a ... A, to and across at standardized predetermined length A conventional connection fitting (not shown) in which the attachment portion 10 is formed.
The connection work is advanced while connecting and extending the piping rack A from a desired position to a desired position while using.

Then, when reaching the corner or the end, a connecting process is performed using a corner fitting (not shown) or an end fitting (not shown).
Is cut into a standardized predetermined length, and the connecting hole A
_10, ... so A ₁₀ is one that has been previously bored at both ends, it is hardly match the required length of the site, resulting in Hajaku.

That is, the connection hole at the end of the pipe rack E
E_Ten, ... E_TenAlign the mounting holes 2a, 2a of the connection fitting 2 with
When the connection fitting 2 is fixed by the
b, 2b are the connection holes A of the other piping rack A_Ten,…
A_TenShould match the position of
In this case, the adjusting part 21 is
Provided, the other connected piping rack A
Connection hole A at the tip of_Ten, ... A _TenAdjust according to the position of
New mounting holes 2c, 2c are formed in the portion 21 using a drill or the like.
Can be drilled.

As described above, new mounting holes 2c and 2
In the connection fitting 2 in which c is drilled, the tip of the pipe rack A and the tip of the connected pipe rack A are connected with the tip of the pipe rack A using screws B,. Can be linked together.

That is, the connecting fittings 2 and 2 are respectively applied to the connected piping racks E and A from the outside. Then, first, connecting holes E _10, the mounting hole 2a of the connecting fitting 2 to E ₁₀ of the pipe rack E, 2a to match the, overlapping the mounting portion 20 of the connecting fitting 2, 2 to the distal end portion of the pipe rack E, Attach using screws B,... B and nuts C,. Then, the mounting holes 2c, 2c formed in the adjusting portion 21 are
Linked necessarily match the connecting hole A _10, A ₁₀ of the pipe rack A which has been. Then, the adjustment parts 21 and 21 of the connection fittings 2 and 2 can be attached to the end of the connected piping rack A using the screws B and the nuts C and.

That is, in the connecting fitting 2, since the adjusting portion 21 is additionally provided, even if the mounting holes 2b, 2b formed in advance do not fit, the adjusting portion 21 is not provided. If the end of the pipe rack E is generated within the adjustable range of the pipe rack E, a new mounting hole 1c, 1c is formed in the adjusting section 21 without cutting the end of the pipe rack A. And the other end of the connected piping rack A can be connected.

In the connection fitting 2 shown in FIG. 2, an adjusting part is provided on the side connected to the end of the pipe rack A, but the adjusting part is provided on the side connected to the end of the pipe rack E. May be provided.

Further, even when the above-described connecting fitting 1 or connecting fitting 2 is used, the end scale exceeds the adjustable range of the adjusting section 11 of the connecting fitting 1 or the adjustable range of the adjusting section 21 of the connecting fitting 2. In such a case, it goes without saying that the piping rack A and the piping rack E must be cut.

[0028]

According to the first aspect of the present invention, the position of the mounting hole in the adjusting portion can be set with a certain degree of freedom. It is possible to avoid a situation in which the rack must be cut, and to reduce the frequency of using a cutting tool.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a connection fitting of a piping rack according to an embodiment of the present invention.

FIG. 2 is a perspective view illustrating a connection fitting of a piping rack according to another embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF REFERENCE NUMERALS 1 Piping rack connecting bracket 1a Mounting hole 10 Mounting part 11 Adjusting part A Piping rack A ₁₀ Connecting hole 2 Piping rack connecting bracket 2a Mounting hole 20 Mounting part 21 Adjusting part E Piping rack E ₁₀ Connecting hole

Claims (1)

[Claims] 1. A connection between two piping racks that can connect both piping racks regardless of the distance between the one piping rack and the other piping rack if the distance is within a predetermined range. A mounting part attached to the surface of the piping rack through a mounting hole corresponding to a connection hole provided at an end of one of the piping racks, and another piping rack connected to the mounting part and connected to the mounting part; And a connecting part that can be pierced and overlaps the connecting hole of the pipe rack.