JPH0914599A - Piping unit - Google Patents

Abstract

PURPOSE: To facilitate piping construction work by surrounding a peripheral surface of pipes with a heat insulator, providing an outer side case coating an outside surface of the heat insulator and having pipe protrusion holes protruded in both end parts of the pipe, and providing connectors mounted in an end part of the pipe protruded from the outer side case. CONSTITUTION: A piping unit A comprises a pipe 1, heat insulator 2 surrounding a peripheral surface of the pipe 1, outer side case 3 coating an outside surface of the heat insulator 2 having pipe protruding holes 4 protruded in both end parts of the pipe 1 and a connector 5 mounted in an end part 1a of the pipe 1 retarded from the outer side case 3. The piping unit A can be assembled to be formed while performing quality control in a plant or the like. In a construction site, by connecting the common end parts 1a of the pipe 1 of a plurality of the carried-in piping units A through the connector 5, piping construction work can be easily executed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping unit.

[0002]

2. Description of the Related Art Conventionally, for example, a heating device has a heating portion and a heat radiating portion provided in the middle of a circulation passage having a circulation pump, and the heating portion heats a heat medium flowing in the circulation passage. The heat of the heated heat medium is radiated to the outside by the heat radiating portion.

At this time, the circulation flow passage is formed of a forward passage pipe and a return passage pipe, which are arranged along the corners of the floor surface and the ceiling surface, and the outer peripheral surface of the pipe is provided with a heat insulating material. It is covered by.

[0004]

However, in the above-mentioned piping work, the piping of a predetermined length is connected and the heat insulating material is covered at the site, and the piping work requires time and effort.

In particular, when carrying out piping work in a suspended state along the ceiling wall, the suspending work by the suspending tool has become complicated.

For this reason, the work of changing the pattern of the piping has become complicated.

Further, since the heat insulating material is attached on the spot, it is difficult to secure a good heat insulating effect over the entire length of the pipe.

[0008]

Therefore, in the present invention, a pipe, a heat insulator surrounding the outer peripheral surface of the pipe, a pipe covering the outer surface of the heat insulator and projecting both ends of the pipe. An outer case having a projecting hole and a connector attached to an end of a pipe projecting from the outer case are provided to provide a piping unit having a heat insulating function, a pipe supporting function, and a prefabricated function. is there.

Further, the heat insulating body is formed of a lower forming body having a groove portion for arranging a pipe and an upper forming body which is placed on the upper surface of the lower forming body so as to close the groove portion. It is also characterized in that a plurality of mounting holes for mounting the hanging device are formed in the side edge portion, and that the outer case is formed in a flat box shape.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1A shows a piping unit according to the present invention. The piping unit A includes the piping 1,1 and a heat insulating body 2 surrounding the outer peripheral surface of the piping 1,1 and the heat insulating body. 2, an outer case 3 that covers the outer side surface of the pipe 1 and has pipe projecting holes 4 and 4 that project both ends of the pipes 1 and 1, and ends 1a and 1a of the pipes 1 and 1 that project from the outer case 3. And connecting bodies 5, 5, 5, 5 attached to the.

As shown in FIGS. 1 to 3, for the pipe 1, for example, a pipe made of a synthetic resin such as vinyl chloride can be used. In this embodiment, there are two pipes for the return route and the forward route. I am using 1,1.

As shown in FIGS. 1 to 3, the heat insulating body 2 is formed of a rectangular plate-shaped lower forming body 6 extending in the front-rear direction, the same width in the front-rear direction, left-right direction, and the same width as the lower forming body 6. It is formed from an upper forming body 7 having a thickness approximately half that of the lower forming body 6. In the lower forming body 6, two pipes 6a capable of arranging two pipes 1 and 1 in a fitted state, It is formed by extending 6a in the front-back direction.

Here, the heat insulator 2 is formed of a foamed synthetic resin having a heat insulating property such as urethane foam, polystyrene foam, and polyethylene foam. The size of the groove 6a is preferably formed so as to absorb expansion / contraction deformation due to temperature change of the pipe 1.

As shown in FIGS. 1 to 6, the outer case 3 has a pair of upper and lower case forming bodies 8 and 8 formed in the same shape, and a pair of left and right side case forming bodies 9 formed in the same shape. , 9 and a pair of front and rear case forming bodies 10 and 10 formed in the same shape and a reinforcing frame body 11, and the front and rear width is formed shorter than the front and rear length of the pipe 1. .

The upper and lower case forming bodies 8 are shown in FIGS.
As shown in FIG. 6, from a rectangular plate-shaped forming body 8a extending in the front-rear direction, and right and left side edges 8b and 8b integrally formed in an orthogonal state along the left and right side edges of the forming body 8a. The left and right sides of the formed body 9a are formed with a large number of mounting holes 12 for mounting the suspending tool at intervals in the front-rear direction, and the suspending tool 21 is inserted through the mounting hole 12. In addition, a long hole extending in the front-rear direction is formed so that the mounting position can be adjusted in the front-rear direction.

As shown in FIGS. 4 to 6, the left and right case forming bodies 9 are formed along a rectangular plate-shaped forming body 9a extending in the front-rear direction and the upper and lower side edges of the forming body 9a. And the upper and lower side edge portions 9b and 9b integrally formed in an orthogonal state outwardly, and the upper and lower side edge portions 9b and 9b are vertically aligned with the mounting holes 12 at intervals. Many mounting holes
13 are formed, and each mounting hole 13 is formed in the same oblong shape as the mounting hole 12.

As shown in FIGS. 4 to 6, the front and rear case forming bodies 10 have the same left and right width as the upper and lower case forming bodies 8 and the vertical width of the left and right side case forming bodies 9. Formed body main body 10a having the same vertical width, rectangular frame-shaped peripheral portion 10b integrally formed in an orthogonal state along the upper, lower, left, and right side edges of the formed body body 10a, and formed on the left and right side portions of the formed body body 10a. It is formed from the reinforcing and guiding ring bodies 10c, 10c integrally formed along the peripheral edges of the pipe projecting holes 4, 4 formed as described above.
The front and rear widths of 10b and the reinforcing and guiding ring bodies 10c, 10c are the same.

Here, the sum of the front-rear width of the peripheral edge portion 10c and the front-rear width of the upper and lower case forming bodies 8 is formed to be equal to the front-rear width of the left and right side case forming bodies 9, and the left and right side case forming bodies 9 are formed. , 9 by screwing the upper and lower case forming bodies 8 and 8 and the front and rear case forming bodies 10 and 10 through screw holes 14 formed in the forming bodies 8, 9 and 10, respectively. The case 3 can be assembled in an internally sealed state, and the forming bodies 8, 9, 10 are formed in the same shape in the upper, lower, left, right, and front, respectively, so that the case assembling work can be performed easily. The formed bodies 8, 9 and 10 can be replaced freely. Further, it is preferable that the formed bodies 8, 9 and 10 forming the outer case 3 are made of a thin metal plate having a thickness of 0.5 to 1 mm, for example, to ensure a certain rigidity and reduce the weight.

As shown in FIGS. 2, 4 and 5, the reinforcing frame body 11 is connected to the frame body body 11a which is substantially U-shaped in a front view, and the frame body body 11a across the upper end thereof. The horizontal frame forming body 11b is formed into a rectangular frame shape in a front view, and the frame body main body 11a and the horizontal frame forming body 11b are each formed into an L-shaped cross section, and the upper and lower / left and right side case forming bodies 8 are formed. , 8, 9, 9 are provided in the middle part so that the rigidity of the outer case 3 can be secured.

As shown in FIGS. 2, 4, and 6, the connecting body 5 is formed of a flanged tubular portion 15, a flange portion 16 and a ring-shaped packing 17, and the flanged tubular portion 15 is formed. The inner peripheral surface of the base has a stepped recess 15a into which the end 1a of the pipe 1 can be fitted.

The flange portion 16 is formed with a cylindrical portion insertion hole 16a and a bolt insertion hole 16b for inserting the connecting bolt 18. 19 is a nut and 20 is a washer.

Next, the procedure for assembling the piping unit A constructed as described above will be described.

The left and right case forming bodies 9, 9 are set upright with screws on the left and right side edge portions of the lower case forming body 8. At this time, the mounting holes 12 and 12 formed in the lower case forming body 8 and the mounting holes 13 and 13 formed in the left and right side case forming bodies 9 and 9 are aligned vertically.

The frame body 11a of the reinforcing frame 11 is attached to the central portion of the lower case forming body 8 with screws.

On the lower case forming body 8, the frame body 11
Place the two underformers 6, 6 with a sandwiched between them.

The pipes 1 and 1 are placed in the grooves 6a and 6a respectively formed in the lower forming bodies 6 and 6 in a fitted state, and the upper forming bodies 7 and 7 are placed on the upper surfaces of the lower forming bodies 6 and 6. Then, the pipes 1 and 1 are closed.

The front and rear case forming bodies 10 and 10 are fitted to the front and rear ends of the left and right side case forming bodies 9 and 9 and fixed with screws. At this time, the ends 1a, 1a of the pipes 1, 1 are projected from the pipe projecting holes 4, 4 formed in the front and rear case forming bodies 10, 10.

The upper case forming body 8 is laterally bridged between the left and right side case forming bodies 9, 9 to close the upper surface of the heat insulating body 2 and fasten it with a screw.

While the adhesive is applied to the end portion 1a of the pipe 1, the flanged tubular portion 15 is inserted into the tubular portion insertion hole 16a of the flange portion 16, and in the same state, the flanged tubular portion 15 is attached to the end portion 1a. Stepped recess in part 15
Insert and connect 15a.

Piping unit A assembled as described above
1 can be easily mounted on the hanging tool 21 hanging from the ceiling wall through the mounting holes 12 and 13, as shown in FIG. 21a is a suspension rod and 21b is a nut.

In the piping units A and A, the front end surfaces of the flanged cylindrical portions 15 and 15 are brought into face-to-face contact with each other through the ring-shaped packing 17, and the bolt insertion holes 16b of the flange portions 16 facing each other. , 16b are matched with each other, and the connecting bolts 18 are inserted into the matched bolt insertion holes 16b, 16b, and the nuts 19 are screwed, whereby the connection can be easily performed.

FIG. 7 shows another usage form of the piping unit A. The piping units A and A are mounted on the suspending tool 21 in a vertically stacked state, and the upper piping unit A is further installed.
Place the pipe mounts 25, 25 on the same place, and place the pipes 26, 26, 26 on the same placement mounts 25, 25 so that many pipes can be compactly and centrally arranged. ing.

FIG. 8 shows another usage form of the piping unit A. A piping mounting bracket 30 having a U-shaped cross section is formed by extending in the left-right width direction. Bolt insertion holes 31 and 31 corresponding to the mounting holes 12 and 12 are formed on the side portions, and the pipe mounting bracket 30 is mounted on the upper surface of the upper case forming body 8 by the mounting bolts 32 using the mounting holes 12 and 12. It is possible. 33 is a pipe insertion ring.

FIG. 9 shows a piping unit A as a second embodiment. The piping unit A has the same basic structure as the piping unit A as the first embodiment. The pipes 1, 1 and the heat insulating body 2 and the outer case 3 are formed by bending them in an L shape in a plan view.

In this way, it can be suitably used for a corner portion at a piping site.

FIG. 10 shows a piping unit A as a third embodiment. The piping unit A has the same basic structure as the piping unit A as the first embodiment. The pipes 1, 1, the heat insulator 2, and the outer case 3,
It is formed in a T shape in a plan view.

In this way, the ends 1a, 1a of the pipes 1, 1 are
It can be connected in three directions.

As with the piping unit of the third embodiment described above, the ends of the pipes 1 and 1 are formed in a cross shape in plan view.
It is also possible to connect 1a, 1a in four directions, or to form a hand shape and connect the ends 1a, 1a of the pipes 1, 1 in five directions, if necessary. It can be formed to be connectable in multiple directions.

FIG. 11 shows a piping unit A as a fourth embodiment. The piping unit A has the same basic structure as the piping unit A as the first embodiment. The base ends of the small-diameter branch pipes 35, 35 are connected to the middle of the pipes 1, 1, and the tips of the small-diameter branch pipes 35, 35 are connected to the connecting tools 36, 36 attached to the front and rear parts of the left-side case forming body 9. Each connection tool 36,36 is connected to the other small-diameter connection piping 37,37.
The tip connection parts 37a, 37a can be attached and detached with one touch,
By connecting the tip connection parts 37a, 37a, the built-in valve body (not shown) opens and communicates with the small diameter branch pipes 35, 35, while the small diameter connection pipes 37, 37 are removed to close the valve body. Then, the tip ends of the small-diameter branch pipes 35, 35 are closed.

In this way, the connecting members 36, 3 are connected as necessary.
The small diameter connecting pipes 37, 37 are connected to 6 so that the fluid flowing in the pipes 1, 1 can be taken out.

The connecting portion 36 may be attached to any of the upper, lower, left and right, front and rear case forming bodies 8, 8, 9, 9, 10, 10 and may be set at any desired position.

FIG. 12 shows a piping unit A used in the fifth embodiment. The piping unit A has the same basic structure as the piping unit A used in the first embodiment. However, by bending one pipe 1 in the pipe unit A, both ends of the front case forming body 10 from the pipe projecting holes 4 and 4 can be bent.
An opening / closing valve 38 is attached to the middle of the pipe 1 by projecting 1a, 1a, and the opening / closing valve 38 can be opened / closed by an opening / closing lever 39 attached to a left side case forming body 39.

In this way, the forward path side pipe 1 and the return path side pipe 1 are simply connected by the above-mentioned piping unit A, and the opening / closing operation can be performed easily from the outside by the opening / closing lever 39. I am trying.

The mounting positions of the opening / closing valve 38 and the opening / closing lever 39 are not limited to the above positions, but can be set arbitrarily as needed.

[0046]

According to the present invention, the following effects can be obtained.

In the present invention as set forth in claim 1, the piping unit includes: a pipe; and a heat insulator surrounding an outer peripheral surface of the pipe.
In order to cover the outer surface of the heat insulating body and to have an outer case having a pipe projecting hole projecting both ends of the pipe, and a connection body attached to the end of the pipe projecting from the outer case, It is possible to easily assemble and form such a piping unit while reliably performing quality control in a factory or the like.

By connecting the ends of the pipes of the plurality of pipe units that have been carried in at the site through the connecting body, the pipe work can be performed easily.

According to the second aspect of the present invention, the heat insulating body is formed of a lower forming body having a groove portion for arranging the pipe, and an upper forming body which is superposed on the upper surface of the lower forming body to close the groove portion. Therefore, after arranging the pipe in the groove portion of the lower forming body, by superposing the upper forming body on the upper surface of the lower forming body and closing the groove portion, the outer peripheral surface of the pipe can be reliably and easily attached. By surrounding the pipe, the heat insulating effect of the pipe can be well ensured.

According to the third aspect of the present invention, since a plurality of mounting holes for mounting the suspending tool are formed in the left and right side edges of the outer case, the piping unit is arranged along the ceiling wall. Is to attach each piping unit to the hanging tool that is hung at a predetermined location on the ceiling wall through the mounting holes,
By connecting the pipes of the pipe unit via the connection body, the pipe work can be performed easily.

According to the present invention as set forth in claim 4, since the outer case is formed in a flat box shape, the piping units can be stacked one on top of the other, and the piping work to be integrated can be easily constructed. It can be done compactly.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of a piping unit according to the present invention.

FIG. 2 is a sectional side view of the piping unit.

FIG. 3 is a sectional front view of the piping unit.

FIG. 4 is a partially cutaway perspective view of an outer case.

FIG. 5 is an exploded perspective view of the outer case.

FIG. 6 is an explanatory cross-sectional side view of the outer case and the connection body.

FIG. 7 is an explanatory view of another usage pattern of the piping unit.

FIG. 8 is an explanatory view of another usage pattern of the piping unit.

FIG. 9 is a perspective view of a piping unit as a second embodiment.

FIG. 10 is a perspective view of a piping unit as a third embodiment.

FIG. 11 is a perspective view of a piping unit as a fourth embodiment.

FIG. 12 is a perspective view of a piping unit as a fifth embodiment.

[Explanation of symbols]

 A Piping unit 1 Piping 2 Insulator 3 Outer case 5 Connection

Claims (4)

[Claims] 1. An outer case having a pipe, a heat insulator surrounding an outer peripheral surface of the pipe, an outer surface of the heat insulator, and a pipe projecting hole projecting both end portions of the pipe, and the same outer side. A piping unit having a connecting body attached to the end of the pipe protruding from the case. 2. The heat insulator is formed of a lower forming body having a groove portion for arranging a pipe, and an upper forming body which is superposed on the upper surface of the lower forming body to close the groove portion. The piping unit according to Item 1. 3. The piping unit according to claim 1, wherein a plurality of mounting holes for mounting a hanging tool are formed on the left and right side edges of the outer case. 4. The piping unit according to claim 1, wherein the outer case is formed in a flat box shape.