JPH07248093A - Branch device of piping cover - Google Patents

Abstract

PURPOSE:To make.one branch cover conformable to various dinfensions, and simplify the work from under by suspending a branch box having an opened lower surface from the lower part of a main piping cover, and mounting a branch cover expansible and contractible in the extending direction of a branch line. CONSTITUTION:A branch device 50 is formed of a branch box 51 suspended by a frame 31 and a branch cover 70 mounted on its side surface. When such a branch device 50 is used, suspending plates 53, 54 are suspended from and engaged with the vertical frame 32 of a frame 31 situated under a piping cover, and a side plate 55 is fixed to the suspending plates 53, 54 to constitute the branch box 51. The branch cover 70 is mounted on the side plate side surface of the branch box 51, and a nut is fastened to fix a fixed cover 71 to a movable cover 71 after the movable cover 72 is moved to regulate the dimension of the branch cover 70, whereby the branching of the piping cover is finished. Thus, workability is improved, and preparation of plural kinds of branch covers is dispensed with.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe cover branching device for protecting, for example, an air conditioning pipe arranged on the roof of a building from wind and rain, direct sunlight, salt damage and the like.

[0002]

2. Description of the Related Art A number of air conditioning pipes for connecting an outdoor unit and an indoor unit of an air conditioning facility are installed on the roof of a building. Conventionally, in order to protect such air-conditioning pipes arranged outdoors from wind and rain, direct sunlight, salt damage, etc., it has been practiced to collectively cover a plurality of pipes with a pipe cover and support them with a mounting base. Japanese Patent Publication No. 4-5877 describes a pipe cover used for such a purpose.

FIG. 4 is an exploded perspective view of the pipe cover described in the publication. The piping cover 1 includes a cover body 2 and a lid 3.
It is divided into and. The cover body 2 is composed of a pair of side walls 4 and 4 facing each other with a space and a plurality of pipe receiving members 5 hung between the lower portions of the side walls 4 and 4, and the lid 3 is a cover body. The two side walls 4, 4 are hung between the upper portions of the two side walls 4 and 4 and are joined by bolts.

When the pipe cover 1 is used to protect the pipes, as shown in FIG. 5, first, a mounting base 6 is erected on a floor surface 7 such as a roof, and the cover main body 2 is mounted on the mounting base 6. Place and fix with bolts 8. Then, the pipe 9 is installed on the pipe receiving member 5 located at the inner bottom of the cover body 2,
After installing the pipe 9, the lid 3 is closed, and the lid 3 is connected to the upper ends of the side walls 4 and 4 of the cover body 2 with the bolt 10. Thereby, the illustrated pipe protection structure is obtained.

Further, conventionally, such a piping cover 1
When branching, a branch box 12 whose upper surface is open by hanging it from the lower edge of the side wall 4 of the pipe cover 1 is attached to the lower portion of the pipe cover 1, and an opening 13 is provided on the side surface of the branch box 12. The branch cover 15 is connected to the opening 13. In this case, the branch cover 15 has a constant length and is replaced according to the size of the installation location.

[0006]

By the way, in the prior art, the size of the branch cover 15 cannot be adjusted, and it is necessary to prepare several kinds of branch covers 15 having different lengths and use them properly according to the size at the site. The workability was poor. Moreover, since the entire surface of the branch box 12 is blocked, the branch box 12 has to be removed one by one when any work is to be performed later. Further, since the branch box 12 is suspended on the side wall 4 of the piping cover 1, there is a problem that an excessive load is applied to the piping cover 1 itself.

In consideration of the above circumstances, the present invention makes it easy to adjust the dimensions, and it is not necessary to prepare a plurality of types of branch covers having different lengths, and for simple work, it is easy to remove the branch box. It is an object of the present invention to provide a branching device for a pipe cover that can be implemented in any of the above and can reduce the load applied to the pipe cover.

[0008]

According to a first aspect of the present invention, a branch box having an open lower surface is suspended from a lower portion of a main pipe cover that covers the main pipe, and a branch pipe extending from the main pipe is provided on a side surface of the branch box. And a branch cover that is expandable and contractible in the extending direction of the branch pipe is attached.

According to a second aspect of the present invention, in the pipe cover branching device according to the first aspect, a frame is installed between the mounting bases at the bottom of the main pipe cover that covers the main pipe, and the main pipe is placed on the upper surface. Is provided, and the branch box is suspended from the frame.

[0010]

According to the invention of claim 1, since the branch cover is configured to be expandable and contractible, one branch cover can cope with various sizes. Further, since the lower surface of the branch box is open, simple work can be performed from below without removing the branch boxes one by one.

According to the second aspect of the invention, since the branch box is hung on the frame supported between the mounting frames,
Prevent the pipe cover from being overloaded.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of a branching device of an embodiment, and FIG. 2 is a side view showing an assembled state of the device. In FIG. 2, reference numeral 30 is a main piping cover (hereinafter, simply referred to as “piping cover”), and 31 is a frame.

The frame 31 is, as shown in FIG.
It is in the form of a ladder consisting of vertical frames 32, 32 made of a pair of angle members and arranged in parallel at intervals, and a horizontal rail 33 as a pipe receiving member. The vertical frames 32 are arranged symmetrically with one side portion 32a of the angle member facing up and the other side portion 32b facing inward.

The frame 31 is fixed to the upper ends of the mounting bases 35 by fixing the longitudinal ends of the vertical frames 32, 32 to two.
It is erected between two mounting bases 35, 35. A main pipe (not shown) is placed on the frame 31, and the pipe cover 30 is covered so as to cover the main pipe. The piping cover 30 is joined by a joint 36 arranged on the mounting frame 35 or the frame 31.

As shown in FIG. 1, the branching device 50 includes a branching box 51 suspended from the frame 31 described above.
And a branch cover 70 attached to the side surface of the branch box 51. The branch box 51 has a rectangular shape in which the lower surface and the upper surface are opened in the assembled state, and is composed of four plates forming four wall surfaces. The pair of plates facing each other are hanging plates 53 and 54 that are hung on the vertical frames 32 of the frame 31 along the vertical frames 32, and the other pair of plates is fixed between the hanging plates 53 and 54. These are the side plates 55, 55 to be processed.

The hanging plates 53 and 54 are formed by bending a sheet metal so as to form a box with a shallow bottom, and standing edges 53 on four sides of a square plate.
a to 53d and 54a to 54d are provided. The rising edges 53a and 54a at the upper end are folded back to the outside in a U-shape so that the edges 20 on the lower side of the vertical frame 32.
It is a hook 56 that engages with 2b. Further, the standing edges 53b, 53d, 54b, 54d of the side portions are the same as the side plates 5
It is a flange 57 for mounting 5, and has a screw hole 58. Further, one suspension plate 54 is provided with an opening 59 cut out from the upper end, and a screwing hole 61 for fixing the branch cover 70 is formed around the opening 59. In addition, the side plate 55,
A screwing hole 62 for screwing is formed in the screwing hole 58 of the flange 57 of the hanging plates 53, 54. And
After suspending these suspension plates 53 and 54 on the vertical frame 32 of the frame 31, by fixing the side plate 55 to the flange 57, a square branch box 50 having four surfaces closed and upper and lower surfaces opened is constructed. It has become.

The branch cover 70 is divided into a fixed cover 71 and a movable cover 72, both of which are fitted so as to be slidable in the longitudinal direction so that they can be expanded and contracted. The fixed cover 71 has a U-shaped cross section including a top wall 71a and both side walls 71b, and the movable cover 72 has a top wall 72a as well.
And both side walls 72b have a U-shaped cross section. Since the movable cover 72 slides inside the fixed cover 71, it is slightly smaller. Fixed cover 71
Is screwed to the peripheral edge of the opening 59 of the hanging plate 54 by a flange 73 provided at the base end. The branch box 51 and the branch cover 70 cover the branch pipe from the main pipe.

Screw holes 76 are provided at the front end portions of both side walls 71b, 71b of the fixed cover 71 at intervals in the longitudinal direction.
Two side walls 72b, 72 of the movable cover 72 are provided.
An elongated hole 77 corresponding to the screw through hole 76 is provided in b. The elongated hole 77 is formed up to the limit of the longitudinal dimension of the movable cover 72. The long hole 77 and the screw hole 76 of the fixed cover 71 are welded to a plate piece 2
The bolts 78, 78 of the book are passed from the inside of the movable cover 72, and a nut 79 (see FIG. 2) is screwed into the tip of the bolt 78, so that the fixed cover 71 and the movable cover 72 are slidably connected. . The portions where the long holes 77 and the screw holes 76 are formed are reinforcing trapezoidal protrusions 71d and 72d.

In the case of using the branching device 50 having such a structure, the suspension plates 53 and 54 are first suspended and engaged with the vertical frame 32 of the frame 31 located under the pipe cover 30, and the suspension plates 53 are then suspended. , 54 are fixed to the side plates 55 to form the branch box 51. Next, the branch cover 70 is attached to the side surface of the branch box 51, the movable cover 72 is moved to adjust the dimensions of the branch cover 70, and then the nut 79 is tightened to fix the fixed cover 71 and the movable cover 72.
This completes the branching of the pipe cover.

The branch box 70 has a movable cover 72.
Although it is a one-stage slide type, the movable cover 72 has two
Two or more slides may be provided by providing one or more pieces. Further, a lid that can be appropriately removed or attached may be provided on the lower surface of the branch box 50. The shape of the branch box 51 and the shape of the branch cover 70 may be changed arbitrarily.

[0021]

As described above, according to the invention of claim 1, since the branch cover is configured to be expandable and contractible.
If one branch cover is prepared, various sizes can be accommodated. Therefore, there is no trouble of selecting and replacing the branch cover, and the workability is improved. Also,
There is no need to prepare multiple types of branch covers with different lengths, which makes parts management easier. Further, since the lower surface of the branch box remains open, it is possible to perform a simple operation without removing the branch boxes one by one.

According to the second aspect of the present invention, since the branch box is hung on the frame, it is possible to prevent an unnecessary load from being applied to the main piping cover, which reduces the strength of the main piping cover and makes it lightweight. be able to.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention.

FIG. 2 is a side view showing an assembled state of one embodiment of the present invention.

FIG. 3 is an exploded perspective view of a pipe cover facility to which an embodiment of the present invention is applied.

FIG. 4 is an exploded perspective view of a conventional pipe cover and a branching device.

FIG. 5 is a cross-sectional view of a main part of a pipe protection structure using a conventional pipe cover.

[Explanation of symbols]

 30 Main Piping Cover 31 Frame 35 Mounting Frame 50 Branching Device 51 Branching Box 70 Branching Cover

Claims (2)

[Claims] 1. A branch box having an open lower surface is hung below a main pipe cover that covers the main pipe, and a side face of the branch box covers the branch pipe from the main pipe and extends in the extending direction of the branch pipe. A branching device for a piping cover, which is equipped with a branching cover that can be expanded and contracted. 2. The pipe cover branching device according to claim 1, wherein a frame, which is installed between mounting frames and has the main pipe mounted on an upper surface, is provided at a bottom portion of the main pipe cover that covers the main pipe, A branching device for a pipe cover, characterized in that the branch box is hung on the frame.