JP2932374B2 - Corner cover for piping - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner cover for piping for accommodating a bent portion of a pipe, for example, when a refrigerant pipe or the like connected to an individual outdoor unit on a building roof is bent at a predetermined angle. .

[0002]

2. Description of the Related Art In a building air conditioner, a large number of outdoor units are installed on a rooftop, and refrigerant tubes are connected between the indoor units on each floor and the corresponding outdoor units on the rooftop.

[0003] In the piping work of the refrigerant pipes, refrigerant pipes (two refrigerant pipes and one electric cable) from each indoor unit are joined together in a pipe duct penetrating the building in the height direction. Piping and wiring to the rooftop (hereinafter simply referred to as piping)
Then, as shown in FIG. 29, a large number of refrigerant pipes 2 extend from a rooftop outlet along a large refrigerant pipe rack 1 provided along the rooftop.
a, 2b and the electric cable 3 are collectively piped.
Then, a pair of refrigerant pipes 2a, 2b and one electric cable 3 are pulled out from the refrigerant pipe rack 1 to each of the outdoor units 4, 4,... The pipes are connected while floating above the floor.

The outer circumference of the refrigerant pipes 2a and 2b is covered with a heat insulating material. However, when the heat insulating material receives direct sunlight for a long time on the roof or absorbs moisture such as rain or snow, it deteriorates and the heat insulating effect is reduced. Therefore, it is necessary to directly protect the refrigerant pipes 2a and 2b from sunlight, rain, and the like even in a portion where the pipe is drawn out from the refrigerant pipe rack 1 and connected to the outdoor unit 4 as described above.

[0005] For this reason, conventionally, as shown in FIG. 29, a portion from a pair of refrigerant pipes 2a, 2b and an electric cable 3 drawn out from the refrigerant pipe rack 1 installed on the roof to connecting to the outdoor unit 4 is described. , A plurality of columns 5 are provided on a rooftop floor, and a pair of refrigerant pipes 2a, 2
b and the electric cable 3 are piped and fixed to the column 5 with a fixture (not shown) such as a U-bolt, and then the cover 6 is formed into a cylindrical shape so as to wind a thin metal plate 6a as shown in FIG.
Was covered by bending (referred to as racking). When the pair of refrigerant pipes 2a and 2b and the electric cable 3 are bent at a right angle or at a predetermined angle, the bent portion is covered with a previously prepared curved cylindrical cover (not shown). Both ends of the formed cylindrical cover are subjected to a racking process of winding a metal plate 6a in a cylindrical shape, and are connected to a pair of refrigerant pipes 2a, 2b and a straight portion of the electric cable 3.

[0006]

However, in order to attach the linear cover 6 by winding the metal plate 6a around a refrigerant pipe or the like by racking the metal plate around the curved cover at the construction site, a special processing technique is required. Is necessary, and it is necessary to rely on a specialized trader skilled in the processing, especially,
Attachment of the cover 6 by racking at a bent portion where a refrigerant pipe or the like is bent not at a straight line but at a right angle or at a predetermined angle is particularly required to be skillful, and therefore the cost is increased and the working time is increased. was there. Further, once the construction is performed, there is a problem that replacement and maintenance of the refrigerant pipes and the like are difficult.

The present invention solves these problems, and provides a pipe corner cover that can be easily attached even by a non-specialized trader, and that can easily replace and maintain a long object such as a refrigerant pipe. It is intended to be.

[0008]

In order to achieve the above object, a pipe corner cover according to a first aspect of the present invention is a pipe corner for accommodating a bent portion of a long object bent and piped in a predetermined angle direction. A cover having a rectangular flat plate shape,
A side plate having a second flat plate portion continuous at a predetermined angle; first and second sides matching the side portions of the first and second flat plate portions continuous at a predetermined angle; Third and fourth perpendicular to the second side and adjacent to the first and second sides, respectively;
, And fifth and sixth sides perpendicular to the third and fourth sides, respectively, and adjacent to the third and fourth sides, respectively, and a part of the square is the fifth side. And two flat plate-shaped lids, each of which is partially cut away by the sixth side, and the first and second sides of the lid and the predetermined first and second flat portions of the side plate. By providing an engaging means which vertically engages with the side part which is continuous at an angle, the two lids are respectively engaged with the engaging means so as to vertically close both sides of the side plate. The side plate and the two lids make it possible to configure a long object storage portion having openings through which the long object passes at both ends of the side plate, so as to cover the bent portion of the long object at the construction site. By engaging the two lids on both sides of the side plate with the engagement means, the side plate can be extremely easily formed without any special skill or skill. Can constitute a long article storage portion having an opening at both ends through which a long object of the side plates by said two lid.

According to a second aspect of the present invention, the engaging means is provided on the first and second flat plate portions of the side plate, the first and second flat plate portions projecting vertically from the first and second sides of the lid. Since a plurality of protrusions for clamping the side portion, the first and second flat plate portions of the side plate are clamped by the plurality of protrusions of the lid,
Very easy to assemble.

According to a third aspect of the present invention, the engaging means is provided on the first and second flat plate portions of the side plate, the first and second flat plate portions projecting vertically from the first and second sides of the lid. A plurality of protrusions for holding the side portion, a first engagement portion provided on at least one of the protrusions, and a plurality of protrusions provided on side portions of the first and second flat plate portions of the side plate. Since the second engaging portion engages with the first engaging portion, the side portions of the first and second flat plate portions of the side plate are sandwiched by the plurality of protrusions of the lid, and the first Since the engaging portion and the second engaging portion are engaged, it is possible to easily assemble.

According to a fourth aspect of the present invention, the first and second sides of the lid are provided so that the engagement means projects vertically from side portions of the first and second flat plate portions of the side plate. Since the plurality of projections for clamping the vicinity of the first plate, the first and second side plates of the side plate are clamped by the plurality of projections of the lid,
Very easy to assemble.

According to a fifth aspect of the present invention, the first and second sides of the lid are provided such that the engagement means projects vertically from side portions of the first and second flat plate portions of the side plate. A plurality of protruding pieces for holding the vicinity of the first protruding piece, a first engaging portion provided on at least one of the protruding pieces, and a plurality of protruding pieces provided near the first and second sides of the lid. Since the second engaging portion engages with the first engaging portion, the first and second flat plate portions of the side plate are sandwiched between the plurality of projecting pieces of the lid, so that it is extremely easy. Assembling can be performed, and the first engaging portion and the second engaging portion are engaged with each other.

According to a sixth aspect of the present invention, at least one of the fifth and sixth sides of the lid is provided with an edge plate perpendicular to the lid, so that the end of the corner cover has an opening. It becomes easier to connect the parts by sandwiching the parts with a cover connecting tool.

According to a seventh aspect of the present invention, the engaging means includes a projecting piece vertically projecting from the first and second sides of the lid and a slit provided in the projecting piece. And a cut-and-raised piece for holding the side portions of the first and second flat plate portions of the side plate with the protruding piece, so that the first plate of the side plate is located between the cut-and-raised piece and the protruding piece. By sandwiching the second flat plate portion, assembly can be performed very easily.

According to a further aspect of the present invention, the engaging means comprises a projecting piece vertically projecting from the first and second sides of the lid and a slit provided in the projecting piece. A cut-and-raised piece for holding the side portions of the first and second flat plate portions of the side plate with the protruding piece; and a first engaging portion provided on the cut-and-raised piece. And a second engaging portion that engages with the first engaging portion provided on the side portions of the first and second flat plate portions of the side plate. By holding the first and second flat plate portions of the side plate,
In addition to being extremely easy to assemble, the first and second engaging portions are engaged, so that it is possible to assemble more easily.

According to a ninth aspect of the present invention, the engaging means includes a projecting piece vertically projecting from a side of the first and second flat plate portions of the side plate, and a slit provided in the projecting piece. It is cut and raised parallel to the protruding piece, and is a cut and raised piece for holding the vicinity of the first and second sides of the lid with the protruding piece. By clamping, it can be assembled very easily.

According to a tenth aspect of the present invention, the engaging means includes:
A protruding piece projecting vertically from a side of the first and second flat plate portions of the side plate and a slit provided in the protruding piece are cut and raised in parallel with the protruding piece, and the first of the lid body is formed. A cut-and-raised piece for clamping the vicinity of the second side with the protruding piece, a first engagement portion provided on the cut-and-raised piece, and first and second sides of the lid. Since the second engaging portion engages with the first engaging portion provided in the vicinity, the lid can be very easily assembled by sandwiching the lid between the cut-and-raised piece and the protruding piece. Since the first and second engaging portions are engaged with each other, the assembling can be more easily performed.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of a pipe corner cover of the present invention used for storing a bent portion of a long object (a refrigerant pipe or the like) bent and piped in a perpendicular direction.

The pipe corner cover 100 is shown in FIG.
As shown in the figure, an L-shaped side plate 110 and this side plate 110
And two lids 120, 120 'attached to both sides of the cover.

The side plate 110 is formed by bending a rectangular flat plate made of, for example, metal at a right angle at the center thereof, and the first and second flat plate portions 111 and 112 of the rectangular flat plate are formed by bending lines 11.
3 is continuous in the right angle direction.

The lengths of the first and second flat plate portions 111 and 112 which are parallel to the bending line 113 (the right and left end sides in FIG. 1) 111a and 112a indicate that the first and second flat plate portions 111 and 112 are parallel to the bending line. Vertical upper and lower sides 111b, 111c, side 11
The lengths of 2b and 112c are set large.

The lid 120 has a substantially rectangular flat plate 120a made of, for example, metal. As shown in FIG.
The length of two orthogonally adjacent sides (first and second sides 121 and 122) of the flat plate 120a is set to the side 111b (11) of the first and second flat plate portions 111 and 112 of the side plate 110.
1c) and 112b (112c).

The flat plate 120a of the lid 120 has a third length that is smaller than the first and second sides 121 and 122 in the vertical direction from the respective ends of the first and second sides 121 and 122. , Fourth sides 123, 124, and further, fifth and sixth sides 125, 126 extending inward from the respective ends of the third and fourth sides 123, 124 respectively. For this reason, the flat plate 120a of the lid 120 is
A part of a square (a rectangle when the length of the first side 121 and the second side 122 is not the same) is part of the fifth and sixth sides 12.
5, 126 have a shape partially cut inward.

The first and second sides 121 and 122 of the flat plate 120a of the lid 120 are aligned with the upper sides 111b and 112b of the first and second flat plate portions 111 and 112 of the side plate 110. By engaging with the engagement means, the lid 1
20 can be attached so as to vertically cover one side surface above the side plate 110.

As shown in FIGS. 1 and 2, as the engagement means, a first side 12 of the flat plate 120 a is attached to the lid 120.
A plurality of, for example, three projecting pieces 130a, 130 along 1
b, 130c project vertically downward, and along the second side 122, three projecting pieces 131a, 131b, 131
c protrudes vertically downward.

That is, the lid 120 is made of a metal plate 120b punched into a shape as shown in FIG.
30b and 130c are formed by bending, but the central protruding piece 13 is formed.
0b is a bending line 132 slightly inside the first side 121
a, and the protruding pieces 130a, 130c on both sides thereof are bent at a bending line 132b slightly outside the first side 121, and a gap slightly smaller than the thickness of the side plate 110 as shown in FIG. It is stood alternately. For this reason, the central protruding piece 130b and the protruding pieces 130a,
30c, the side 1 of the first flat plate portion 111 of the side plate 110
11b side, the side 111b side is the central protruding piece 1
30b and the protrusions 130a, 130c on both sides thereof.

The three projecting pieces 131a, 1 on the second side 122
31b, 131c are also staggered in exactly the same manner, and the central projection 131b and the projections 131a, 131a,
31c, the side 1 of the second flat plate portion 112 of the side plate 110
The 12b side is also pinched. By being sandwiched in this manner, the lid 120 can be vertically attached to one side surface of the side plate 110.

The adjacent projections 130c and 130a of the first and second sides 121 and 122 may be integrally formed so as to be continuous at right angles. Note that these alternate projections are 2
Or four or more.

As shown in FIG. 1, three projecting pieces 130a,
130b, 130c and 131a, 131b, 131c
Is provided with a first engaging portion 133, and the first engaging portion 133 near the side edges 111b, 112b of the first and second flat plate portions 111, 112 of the side plate 110 is provided.
A second engaging portion 134 is provided at a position corresponding to the first engaging portion 133 so as to engage with the first engaging portion 133. When the second engaging portion 134 is engaged with the second engaging portion 134, the engagement between the side plate 110 and the lid 120 is more reliably achieved. Become. As shown in FIG. 5, the first engaging portion 133 may be embossed by press working, and the second engaging portion 134 may be a hole into which the emboss fits, as shown in FIG. 6, or as shown in FIG. Alternatively, this may be reversed.

As shown in FIG. 2, edge plates 135 and 136 projecting from the fifth and sixth sides 125 and 126 of the lid 120 in a direction perpendicular to the flat plate 120a may be provided. The edge plates may be integrated so as to be continuous at right angles. Another lower lid 120 ′ is an upper lid 120.
The same one is used upside down.

As described above, the two lids 120 and 120 'are engaged by the engaging means so as to vertically close both sides of the side plate 110, so that the side plate 110 and the two lids 120 and 120' are connected. The pipe corner cover 100 shown in FIG. 1 can be easily assembled. As shown in FIG. 8, a side plate 110 is provided on the corner cover 100.
A through which a long object (a pair of refrigerant pipes 2a, 2b and an electric cable 3) is bent and piped at right angles to both end sides of
1, a long object storage section B having A2 is configured. Therefore, the bent portion of the long object is connected to the side plate 110 and the lids 120, 1
The corner cover 100 can be easily assembled by engagement at the construction site so as to be covered with 20 '.

As shown in FIG. 9, the plurality of projecting pieces are connected to side edges 111b, 111c, 112b, 1
It may be provided on the 12c side to have a relationship opposite to that of FIG. The corner cover 100 provided at the bent portion of a long object is shown in FIG.
0, an end of the linear cover 50 supported by the support base 20 and covering the linear portion of the long object, and a cover connecting device 70.
Connected by

The linear cover 50 is supported by the support 20 as shown in FIGS. The support 20 is a support 21
It has. The support 21 is made of, for example, a lip channel steel as shown in FIG. And is fixed by an L-shaped bracket 25.

That is, in the upper surface 22 a of the base block 22, near the support hole 23, a vertical screw hole 24 is provided in an insert embedded in concrete. The bolt 27 is inserted into the bolt insertion hole 27 a of the horizontal plate portion 25 a of the L-shaped bracket 25, and is screwed into the screw hole 24 to fix the L-shaped bracket 25 to the upper surface 22 a of the basic block 22. A rhombic plate nut 29 is screwed to the tip of the bolt 28 inserted into the bolt insertion hole 28a of the vertical plate portion 25b of the L-shaped bracket 25. The strut 21 is inserted into the support hole 23 of the support base 20 such that both lip edges 21b and 21c of the side opening 21a of the channel steel are inserted between the vertical plate portion 25b of the L-shaped bracket 25 and the plate nut 29. When the bolt 28 is screwed into the screw hole 29 a of the plate nut 29 and rotated, the protruding corner portion 29 of the diamond-shaped plate nut 29 is inserted.
b and 29c abut against the side plates 21d and 21e of the column 21, respectively, so that the plate nut 29 cannot be rotated. When the bolt 28 is further rotated to tighten the plate nut 29, the vertical plate portion 25b of the L-shaped bracket 25 and the plate nut 29, the lip edges 21b and 21c of the support 21 are sandwiched and fixed. Therefore, the height of the support 21 can be adjusted by adjusting the insertion depth of the support 21 and tightening the plate nut 29 with the bolt 28.

At the upper end of the column 21, a cover receiver 40 is fixed by a support fitting 30. The support fitting 30 is L-shaped, and a bolt 32 is inserted into a bolt insertion hole 31 at the center of the vertical plate portion 30 a, and a plate nut 33 is screwed to the tip of the bolt 32. By tightening the plate nut 33 and holding the lip edges 21b and 21c between the vertical plate portion 30a and the plate nut 33 in exactly the same manner as in the case of the lower portion of the support column 21,
Is fixed to the upper end of the support 21. By selecting the mounting position of the support fitting 30, the mounting height of the support fitting 30 can be adjusted.

It is to be noted that the side pieces 34, 34 are provided on the left and right sides of the vertical plate portion 30a so as to be in contact with the outer surfaces of both side walls 21d, 21e of the column 21 so that the support fitting 30 does not move left and right.
Are protruded in the vertical direction.

At the center of the horizontal plate portion 30b of the support fitting 30, a bolt insertion hole 3 for fixing the cover receiver 40 is provided.
5 are provided (FIG. 14). The cover receiver 40 has both side edges 51, 51 of the opening surface of the cover 50 having a U-shaped cross section.
A pedestal 41 made of lip channel steel having a length slightly shorter than the distance between the pedestals, and receiving plates 4 fixed to both ends of the pedestal 41
2 and 42.

Each receiving plate 42 is bent in an L-shape, and its horizontal plate portion 42a is fixed to both ends of the bottom plate 41a of the gantry 41 by appropriate means such as welding, and its vertical plate portion 42b
Project outward from both ends of the bottom plate 41a. At the lower end of the boundary between the horizontal plate portion 41a and the vertical plate portion 42b, a horizontally long locking hole 43 is provided for inserting the locking portions 62 at both ends of the cover retainer 60 (see FIG. 4). See FIG. 15).

A bolt insertion hole 44 is provided at the center of the bottom plate 41a of the gantry 41, and the bolt insertion hole 44 of the gantry 41 and the bolt insertion hole 35 of the horizontal plate 30b of the support fitting 30 are aligned. The cover receiver 40 is fixed to the support bracket 30 by tightening the nut 46 to the inserted bolt 45.

The support stand 20 thus constructed is provided with a cover support 4 for the piping route between the refrigerant pipe rack and the outdoor unit.
0 is provided at a right angle. Along this path, the laying plate 48 is placed on the gantry 41 of the cover receiver 40, and along this laying plate 48, the pair of refrigerant pipes 2 a and 2 b drawn from the refrigerant pipe rack and the electric cable 3 are connected. I do. The laying plate 48 has a width slightly narrower than the interval between the both end portions 51 of the opening surface of the cover 50, and is formed of, for example, a mesh of synthetic resin.

The straight cover 50 comprises an upper plate 50a and both side plates 50.
The cover 50 is made of a metal plate having a U-shaped cross section with a lower surface opened by b and 50c. The cover 50 is covered on the pair of refrigerant pipes 2a and 2b and the electric cable 3 from the opening surface side, and both side edges 51 and 51 of the opening surface are covered. Between the end of the gantry 41 of the cover receiver 40 and the vertical plate portion 42b of the receiving plate 42.
Is placed on the horizontal plate portion 42a.

The width of the upper plate 50a of the linear cover 50 is determined by the third side 123 of the lid 120 of the corner cover 100 and the fourth side.
, The width of the side plates 50b and 50c of the straight cover 50 is the same as the length of the side plate 1 of the corner cover 100.
The length is set to be substantially the same as the length of the ten side edges 111a and 112a (see FIG. 2).

The cover retainer 60 has a U-shaped band-shaped portion 61 that is tightly covered along the outer periphery of the cover 50 from above.
And a bendable locking portion 62 narrower in width than the band portion 61 at both ends of the band portion 61. As shown in FIG. 15, a vertically long small hole 63 is formed so that the locking portion 62 can be easily bent.
Is provided. Further, an emboss 61a formed by pressing to increase the strength against deformation is provided at a corner of the belt-shaped portion 61 bent at 90 °.

The band 61 of the cover retainer 60 is covered from the outside of the cover 50, and the locking portions 62 at both ends of the band 61 are covered with the cover receiver 40 as shown in FIGS.
The band-shaped portion 61 is brought into close contact with the outer surface of the cover 50 by passing through the locking holes 43, 43 of the receiving plates 42, 42 at both ends of the holding plate 42, 42, and the locking portions 62, 62 inserted downward from the locking holes 43, 43. Are bent upward and locked. For this reason, the straight cover 50 is supported by the support base 20 in a state where upward and lateral movements are restricted.

As shown in FIGS. 17 and 18, the cover connecting device 70 has an outer frame 71 formed by bending a band-like metal plate into a U-shape.
Similarly, an inner frame 75 in which a strip-shaped metal plate is bent in a U-shape with a smaller size than the outer frame 71, and fastening means (bolts 79) for fastening the outer frame 71 and the inner frame 75 in a direction approaching each other.
And screw holes 76a, 76b, 76c).

The outer frame 71 is formed by bending a thin metal plate in a U shape so as to cover the outer surfaces of the upper plate 50a and the side plates 50b and 50c of the cover 50.
Bolt insertion holes 72a, 72b, 72c into which the screw portions 79a of the bolts 79 are inserted are provided at the center in the width direction below the side plates 71b, 71c.

The inner frame 75 is formed by bending a metal plate thicker than the outer frame 71 in a U-shape so as to cover the inner surfaces of the upper plate 50a, the side plates 50b, and 50c of the cover 50. At positions corresponding to the bolt insertion holes 72a, 72b, 72c of the upper plate 71, the upper plates 75a, the side plates 75b, 75
c are provided with screw holes 76a, 76b and 76c, respectively. In order to increase the axial length of the screw holes 76a, 76b, 76c, the screw holes 76a, 76b, 76c are inwardly press-formed into a circular protruding portion 7 having a cylindrical shape.
7a, 77b and 77c are formed.

The inner frame 75 is wider than the outer frame 71, and is exposed outward from both sides in the width direction of the outer frame 71.
A screw portion 79a of a bolt 79 inserted through a washer 78 into each of the bolt insertion holes 72a, 72b, 72c of the outer frame 71.
Of the end of the cover 5 between the outer frame 71 and the inner frame 75.
The inner frame 75 is screwed into the corresponding screw holes 76a, 76b, 76c of the inner frame 75 so as to have an interval of at least a thickness of 0, so that the inner frame 75 is located inside the outer frame 71, and both sides in the width direction are the outer frames. It is temporarily fixed in a state exposed from 71.

The outer frame 71 and the inner frame 7 temporarily fixed in this manner
As shown in FIG. 17, one end A of the pipe corner cover 100 composed of the side plate 110 and the two lids 120 and 120 'is located on one opening A1 side from one side in the width direction as shown in FIG.
1 'is inserted at the maximum length of the fifth side 125 of the lids 120, 120'. Also, the straight cover 50 from the opposite side
End 50 '.

At the center in the width direction of the outer frame 71 and the inner frame 75, there are screw portions 79a of three bolts 79.
By inserting until the end of the corner cover 100 and the end of the straight cover 50 come into contact with the screw portion 79a,
Both can be inserted at the same depth. The depth of the cover 50 can be finely adjusted by selecting the insertion depth within a range sandwiched by the outer frame 71 and the inner frame 75.

Since both sides in the width direction of the inner frame 75 are exposed inside the outer frame 71, the insides of the respective ends of the corner cover 100 and the straight cover 50 are exposed from the outer frame of the inner frame 75. If it is inserted so as to cover the part, the insertion operation becomes easier.

The length of the side plates 71b and 71c of the outer frame 71 in the vertical direction is made larger than the length of the side plates 75b and 75c of the inner frame 75 in the vertical direction. If the edges 73a and 73b bent at right angles are provided, the end A1 'of the corner cover 100 on one side of the opening A1 and the end 50' of the straight cover 50 are placed between the outer frame 71 and the inner frame 75. When inserting the side plate 5 of the straight cover 50
Ob, 50c and the end A1 'of the lid 120' on the lower side of the corner cover 100 are connected to the edges 73a, 73b.
, The insertion work is further facilitated.

As described above, one end A of the corner cover 100 adjacent to the opening A 1 between the outer frame 71 and the inner frame 75.
With the 1 ′ and the end 50 ′ of the straight cover 50 inserted, first, the bolt 79 inserted into the bolt insertion hole 72a of the upper plate 71a is rotated to move the upper plate 75a and the outer frame 71 of the inner frame 75 upward. Tighten the plate 71a so as to approach each other,
Directly between the upper plate 75a of the inner frame 75 and the upper plate 71a of the outer frame 71, the upper plate 50a of the cover 50 and the corner cover 1
00 is strongly clamped. Thereby, the bolt insertion holes 72b, 72c of the side plates 71b, 71c are formed.
Are moved upward in the bolt insertion holes 72b and 72c, and then the bolts are inserted into the bolt insertion holes 72b and 72c.
c and the side plates 75b and 75c of the inner frame 75 and the outer frame 7
While bending the side plates 75b, 75c inward so that the first side plates 71b, 71c approach each other, the bolt 79,
79, the side plates 50b, 50c of the straight cover 50 and the side plates 11 of the corner cover 100 are provided between the side plates 75b, 75c of the inner frame 75 and the side plates 71b, 71c of the outer frame 71.
The first flat plate portion 111 and the edge plates 135 and 136 of the lids 120 and 120 'are strongly clamped.

Similarly, a straight cover 50 is provided at the end A2 'on the other opening A2 side of the pipe corner cover 100.
Are connected by a connection device 70. In this way, as shown in FIG. 10, the ends of the straight covers 50, 50 are connected to the ends A1 ', A2 on the two openings A1, A2 side of the corner cover 100, respectively.

If edge plates 135 and 136 are provided on the fifth and sixth sides 125 and 126, the cover connecting device 70 can be easily inserted between the outer frame 71 and the inner frame 75. The plates 135 and 136 are also sandwiched between the inner frame 75 and the outer frame 71, so that the connection operation is further ensured.

In this way, the corner cover 1 for piping
00 can be used to cover long objects that are bent and piped at right angles. In the above embodiment, as shown in FIG. 19, a case in which a long object is bent in a horizontal direction at right angles has been described. However, in a case where a long object is bent upward in a right angle direction, a pipe corner is required. When the cover 100 is bent with the opening A2 facing upward as shown in FIG. 20 and bent at right angles downward, the opening A2 is turned downward as shown in FIG. The respective linear covers 50 are connected by a cover connecting device 70. Further, these various directions can be combined, and FIG. 22 shows an example using two corner covers 100, 100.

FIG. 23 shows a case where a long object is bent twice in a right angle direction at a short distance, and two corner covers 100, 100 are connected by a cover connecting device 70 for use. In addition, in FIG. 23, the code | symbol 1 shows the refrigerant | coolant tube rack which accommodated many refrigerant | coolant tubes and electric cables collectively, and the code | symbol 4 has shown the outdoor unit.

As shown in FIG. 23, an outlet cover 200 is attached to the outlet 1a of the refrigerant pipe rack 1, and the outlet cover 200 and the end of the straight cover 50 are connected by a cover connecting device 70.

Although FIGS. 2 and 3 show an example in which three protruding pieces are provided alternately on the two sides 121 and 122 of the lid 120, as shown in FIGS. Each of the projections 141 and 142 bent at right angles over the entire length is provided on the 122, and U-shaped slits 143 and 144 are provided from the projections 141 and 142 so that both ends reach inside from the bending lines 141a and 142a. The cut-and-raised piece 1 bent at right angles at parallel bending lines 145a and 146a inside the bending lines 141a and 142a.
45 and 146 may be provided. Cut and raised piece 145, 1
46 is provided with engagement portions 133 and 133. In addition, instead of the U-shaped slits 143 and 144, a U-shaped cut may be provided, and similarly, the cut-and-raised pieces 145 and 146 may be provided.

The protruding pieces and cut-and-raised pieces shown in FIGS. 24 to 26 may be provided on the side plate instead of the lid. In the above-described embodiment, the corner cover that covers the bent portion where the long object is bent and piped in the right angle direction has been described. .

That is, in this case, as shown in FIG. 27, the side plate 110 is bent at a predetermined angle along the bending line 113. Then, as shown in FIG. 28, the lid 120 (12
0 ′), the first and second sides 121 and 122 are at a predetermined angle, and the fifth and sixth sides 125 and 126 are also at a predetermined angle, and the lids 120 and 120 ′ are engaged with both sides of the side plate 110. Just do it.

In the above embodiment, the present invention has been described with reference to a pair of refrigerant pipes and one electric cable pipe connecting the refrigerant pipe rack to the outdoor unit. However, the present invention is not limited to this. It is needless to say that the present invention can be applied to a case where an arbitrary long object such as another arbitrary tubular body or linear body is piped or wired.

In addition, the case where the support base 20 is erected on the floor surface G of the roof has been exemplified. However, the present invention is not limited to this case. It is optional as long as it can be erected.

[0064]

As described above, the corner cover for piping according to the first aspect of the present invention has a side plate in which first and second flat plate portions having a rectangular flat shape are continuous at a predetermined angle, and the first and second side plates have the same shape.
First and second sides coinciding with sides continuous at a predetermined angle of the second flat plate, and adjacent to the first and second sides respectively perpendicular to the first and second sides; Third and fourth sides that match each other, and the third and fourth sides that are perpendicular to the third and fourth sides, respectively.
Having a fifth side and a sixth side respectively adjacent to the fourth side,
A part of the quadrangle is formed of two flat plate-like lids, each part of which is cut off by the fifth and sixth sides, and the first and second sides of the lid and the first and second sides of the side plate. An engaging means is provided for vertically engaging with a side part of the second flat plate part which is continuous at a predetermined angle, and the two lids are respectively engaged with the engaging means so as to vertically cover both sides of the side plate. By engaging, the side plate and the two lids can form a long object storage section having an opening through which a long object passes at both ends of the side plate. By engaging the two lids on both sides of the side plate with the engagement means so as to cover the portions, the side plate and the two lids can be extremely easily combined with the side plate without any special skill or skill. It is possible to constitute a long object storage section having an opening through which a long object passes on both end sides of the long object.

According to a second aspect of the present invention, the engaging means is provided on the first and second flat plate portions of the side plate, the first and second flat plate portions projecting vertically from the first and second sides of the lid. Since a plurality of protrusions for clamping the side portion, the first and second flat plate portions of the side plate are clamped by the plurality of protrusions of the lid,
Very easy to assemble.

According to a third aspect of the present invention, the engaging means is provided on the first and second flat plate portions of the side plate, the first and second flat plate portions projecting vertically from the first and second sides of the lid. A plurality of protrusions for holding the side portion, a first engagement portion provided on at least one of the protrusions, and a plurality of protrusions provided on side portions of the first and second flat plate portions of the side plate. Since the second engaging portion engages with the first engaging portion, the side portions of the first and second flat plate portions of the side plate are sandwiched by the plurality of protrusions of the lid, and the first Since the engaging portion and the second engaging portion are engaged, it is possible to easily assemble.

According to a fourth aspect of the present invention, the first and second sides of the lid are provided so that the engagement means projects vertically from side portions of the first and second flat plate portions of the side plate. Since the plurality of projections for clamping the vicinity of the first plate, the first and second side plates of the side plate are clamped by the plurality of projections of the lid,
Very easy to assemble.

According to a fifth aspect of the present invention, the first and second sides of the lid are provided such that the engagement means projects vertically from the side portions of the first and second flat plate portions of the side plate. A plurality of protruding pieces for holding the vicinity of the first protruding piece, a first engaging portion provided on at least one of the protruding pieces, and a plurality of protruding pieces provided near the first and second sides of the lid. Since the second engaging portion engages with the first engaging portion, the first and second flat plate portions of the side plate are sandwiched between the plurality of projecting pieces of the lid, so that it is extremely easy. Assembling can be performed, and the first engaging portion and the second engaging portion are engaged with each other.

According to a sixth aspect of the present invention, at least one of the fifth and sixth sides of the lid is provided with an edge plate perpendicular to the lid, so that the opening at the end of the corner cover is formed. It becomes easier to connect the parts by sandwiching the parts with a cover connecting tool.

According to a seventh aspect of the present invention, the engaging means comprises a projecting piece vertically projecting from the first and second sides of the lid and a slit provided in the projecting piece. And a cut-and-raised piece for holding the side portions of the first and second flat plate portions of the side plate with the protruding piece, so that the first plate of the side plate is located between the cut-and-raised piece and the protruding piece. By sandwiching the second flat plate portion, assembly can be performed very easily.

According to another aspect of the present invention, the engaging means comprises a projecting piece projecting vertically from the first and second sides of the lid and a slit provided in the projecting piece. A cut-and-raised piece for holding the side portions of the first and second flat plate portions of the side plate with the protruding piece; and a first engaging portion provided on the cut-and-raised piece. And a second engaging portion that engages with the first engaging portion provided on the side portions of the first and second flat plate portions of the side plate. By holding the first and second flat plate portions of the side plate,
In addition to being extremely easy to assemble, the first and second engaging portions are engaged, so that it is possible to assemble more easily.

According to a ninth aspect of the present invention, the engaging means includes a projecting piece vertically projecting from the side of the first and second flat plate portions of the side plate, and a slit provided in the projecting piece. It is cut and raised parallel to the protruding piece, and is a cut and raised piece for holding the vicinity of the first and second sides of the lid with the protruding piece. By clamping, it can be assembled very easily.

According to a tenth aspect, the engaging means includes:
A protruding piece projecting vertically from a side of the first and second flat plate portions of the side plate and a slit provided in the protruding piece are cut and raised in parallel with the protruding piece, and the first of the lid body is formed. A cut-and-raised piece for clamping the vicinity of the second side with the protruding piece, a first engagement portion provided on the cut-and-raised piece, and first and second sides of the lid. Since the second engaging portion engages with the first engaging portion provided in the vicinity, the lid can be very easily assembled by sandwiching the lid between the cut-and-raised piece and the protruding piece. Since the first and second engaging portions are engaged with each other, the assembling can be more easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view of an assembled state of an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the embodiment.

FIG. 3 is a plan view showing a state before processing the lid body of the embodiment.

FIG. 4 is an explanatory diagram of an engagement relationship between a lid and a side plate of the embodiment.

FIG. 5 is a sectional view of a main part of the lid according to the embodiment.

FIG. 6 is a sectional view of a main part showing an engagement relationship between the lid and the side plate of the embodiment.

FIG. 7 is a sectional view of a main part showing an engagement relationship between a lid and a side plate according to another embodiment of the present invention.

FIG. 8 is a plan view showing the relationship between the pipe corner cover of the present invention and a long object.

FIG. 9 is a perspective view showing a main part of another embodiment of the present invention.

FIG. 10 is a perspective view showing a use state of the pipe corner cover of the present invention.

FIG. 11 is a perspective view showing an attached state of a straight cover.

FIG. 12 is a front view showing an attached state of the straight cover of FIG. 11;

13 is a sectional view taken along line BB of FIG.

14 is an exploded perspective view of the support base 20 of FIG.

FIG. 15 is a perspective view showing a main part of the support structure of FIG. 11;

FIG. 16 is a perspective view showing a main part of the support structure of FIG. 11;

FIG. 17 is a perspective view showing a straight cover, a cover connecting device, and a corner cover for piping.

FIG. 18 is a cross-sectional view of the cover connecting device.

FIG. 19 is a perspective view showing a usage example of the pipe corner cover of the present invention.

FIG. 20 is a perspective view showing an example of use of the pipe corner cover of the present invention.

FIG. 21 is a perspective view showing an example of use of a corner cover for piping of the present invention.

FIG. 22 is a perspective view showing an example of use of the corner cover for piping of the present invention.

FIG. 23 is a perspective view showing a piping device using the piping corner cover of the present invention.

FIG. 24 is a perspective view showing a lid according to another embodiment of the present invention.

FIG. 25 is a plan view showing a state before processing the lid of the embodiment of FIG. 24;

FIG. 26 is an explanatory view of the engagement relationship between the lid and the side plate in the embodiment of FIG. 24;

FIG. 27 is a plan view showing a side plate according to still another embodiment of the present invention.

FIG. 28 is a plan view showing a lid according to still another embodiment of the present invention.

FIG. 29 is a schematic plan view showing a conventional piping device such as a refrigerant pipe.

FIG. 30 is an explanatory view showing a main part of a conventional piping device such as a refrigerant pipe.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Refrigerant pipe rack 2 Refrigerant pipe 3 Electric cable 4 Outdoor unit 10 Plumbing device 20 Support base 21 Support post 22 Base block 30 Support bracket 40 Cover receiving 41 Mounting base 42 Receiving plate 43 Locking hole 50 Cover 60 Cover pressing tool 62 Locking section 70 Cover connection device 71 Outer frame 72a, 72b, 72c Bolt insertion hole 75 Inner frame 76a, 76b, 76c Screw hole 79 Bolt 100 Piping corner cover 110 Side plate 111 First flat plate portion 112 Second flat plate portion 113 Bending line 120 Lid 120a Flat plate 121 First side 122 Second side 123 Third side 124 Fourth side 125 Fifth side 126 Sixth side 130a, 130b, 130c Projection 131a, 131b, 131c Projection 132a, 132b Bending line 133 First engaging portion 134 Second engaging portion 13 , 136 edge plate 141 projecting pieces 145, 146 bent portions A1, A2 openings B elongated object storage unit

──────────────────────────────────────────────────続 き Continuing on the front page (72) Yoshiaki Ueno 1-3-3 Chuo, Edogawa-ku, Tokyo Inside the Brest Industrial Research Institute, Inc. (72) Hiroshi Sakurai 1-3-3 Chuo, Edogawa-ku, Tokyo No. Brest Industrial Research Institute, Inc. (72) Hideo Muraoka, Inventor 1-3-3 Chuo, Edogawa-ku, Tokyo Inside Brest Industrial Research Institute, Inc. (58) Fields investigated (Int. Cl. ⁶ , DB name) F16L 57/00 F16L 3/08 F16L 59/22

Claims (10)

(57) [Claims] 1. A pipe corner cover for accommodating a bent portion of a long object bent and piped in a predetermined angle direction, comprising: a side plate in which first and second rectangular flat plate portions are continuous at a predetermined angle. A first and a second side corresponding to side portions of the first and second flat plate portions that are continuous at a predetermined angle, and the first and second sides perpendicular to the first and second sides, respectively. Third and fourth sides respectively adjacent to the second side, and fifth and sixth sides respectively perpendicular to the third and fourth sides and adjacent to the third and fourth sides, respectively. And two flat plate-shaped lids each having a part of a square partly cut off by fifth and sixth sides, and a first and a second side of the lid and An engaging means is provided which vertically engages with the side portions of the first and second flat plate portions which are continuous at a predetermined angle, so as to vertically close both sides of the side plate. By engaging the two lids with the engaging means, the side plate and the two lids constitute a long object storage portion having an opening through which a long object passes at both ends of the side plate. Corner cover for piping characterized by being made possible. 2. The apparatus according to claim 1, wherein said engaging means is for holding side portions of said first and second flat plate portions of said side plate, said side portions projecting vertically from first and second sides of said lid body. The pipe corner cover according to claim 1, wherein the pipe corner cover includes a plurality of protrusions. 3. The cover according to claim 1, wherein said engaging means is for holding side portions of said first and second flat plate portions of said side plate projecting vertically from first and second sides of said lid body. A plurality of protruding pieces, a first engaging portion provided on at least one of the protruding pieces, and a first engaging portion provided on side portions of first and second flat plate portions of the side plate 2. The piping corner cover according to claim 1, wherein the second corner is a second engaging portion that engages with the pipe. 4. The engagement means clamps the vicinity of first and second sides of the lid, which are vertically protruded from side portions of the first and second flat plate portions of the side plate. The pipe corner cover according to claim 1, wherein the pipe corner cover includes a plurality of projecting pieces. 5. The engagement means clamps the vicinity of first and second sides of the lid, which are vertically protruded from side portions of the first and second flat plate portions of the side plate. Protrusions, a first engagement portion provided on at least one of the protrusions, and a first engagement provided near first and second sides of the lid. 2. The corner cover for piping according to claim 1, wherein the corner cover is a second engaging portion that engages with the portion. 6. A corner cover for piping according to claim 1, wherein an edge plate perpendicular to the lid is projected on at least one of the fifth and sixth sides of the lid. . 7. The engaging means includes a projecting piece vertically projecting from the first and second sides of the lid, and a slit provided in the projecting piece cuts and raises the projecting piece in parallel with the projecting piece. 2. The piping corner cover according to claim 1, wherein the side plate is a cut-and-raised piece for clamping side portions of the first and second flat plate portions with the protruding piece. 8. The engaging means includes a projecting piece vertically projecting from the first and second sides of the lid, and a slit provided in the projecting piece cuts and raises the projecting piece in parallel with the projecting piece. A cut-and-raised piece for clamping the side portions of the first and second flat plate portions of the side plate with the protruding piece;
And a second engaging portion for engaging with the first engaging portion provided on the side of the first and second flat plate portions of the side plate. The corner cover for piping according to 1. 9. The projection means is provided in parallel with the projecting piece by means of a projecting piece projecting vertically from the side of the first and second flat plate portions of the side plate, and a slit provided in the projecting piece. 2. The pipe corner cover according to claim 1, wherein the cover is a cut-and-raised piece for holding the vicinity of the first and second sides of the lid with the protruding piece. 10. The apparatus according to claim 1, wherein said engaging means includes first and second side plates.
A protrusion protruding vertically from the side of the flat plate portion and a slit provided in the protrusion are cut and raised in parallel with the protrusion, and the vicinity of the first and second sides of the lid is A cut-and-raised piece for being sandwiched between the protruding pieces, a first engagement portion provided on the cut-and-raised piece, and a first engagement portion provided near first and second sides of the lid. 2. The pipe corner cover according to claim 1, wherein the second corner is a second engaging portion that engages with the engaging portion.