KR20130115787A - Built-in structure for connecting pipes of air-conditioner - Google Patents

Abstract

PURPOSE: A buried pipe structure for an air conditioner is provided to enable a convenient connection work by manufacturing a buried pipe in a manufacturing plant. CONSTITUTION: A buried pipe structure for an air conditioner is composed as follows. A first box (120) is buried to be adjacent to an outdoor unit (110). A second box (140) is buried to be adjacent to an indoor unit (130). First and second connection units (10, 20) arranged on the first and second boxes are connected to both ends of a buried pipe (30). A first pipe (115) of the outdoor unit is connected to the first connection unit. A second pipe of the indoor unit is connected to the second connection unit.

Description

Buried pipe structure for air conditioner {BUILT-IN STRUCTURE FOR CONNECTING PIPES OF AIR-CONDITIONER}

According to the present invention, when the air conditioner is installed, the box is buried in a location close to the indoor unit of the building, and the box is buried in a location close to the outdoor unit in order to conveniently connect the piping and wiring between the indoor unit and the outdoor unit. The buried pipe structure for the air conditioner is installed. More specifically, by forming a vertical bellows at the end of the copper tube inside the box, it is possible to freely adjust the arrangement direction and the angle of the connector disposed at the end of the copper tube, The present invention relates to a buried pipe structure for an air conditioner that is very convenient to connect without welding.

Republic of Korea Patent No. 10-1089588 (registered November 29, 2011) is introduced "air conditioning pipe connection device".

The pipe connection device of the air conditioner is a connection device for connecting the pipes embedded in the wall concrete and the indoor and outdoor air, a joint box which is embedded in the wall concrete while the through hole for receiving the end of the embedded pipes; A gap holding member fixed to a fixing hole of the joint box to move the socket along the rail while keeping the buried pipe spaced apart from the inner surface of the joint box to maintain a constant gap between the buried pipe; A socket movably mounted along a rail of the gap maintaining member to connect a buried pipe to a pipe of an indoor / outdoor air; A fixing part for fixing the socket to the rail of the gap maintaining member with a fixing bolt and a fixing nut; And a sealing member mounted between the socket fixed to the fixing part and the pipe to prevent the leakage of the refrigerant gas.

However, the pipe connecting device of the air conditioner can not bend the buried pipe freely, a separate spacing member is required to fix the socket connected to the buried pipe, and is installed too deep when the insulation is constructed for the insulation of the structure There is a disadvantage that the piping work is difficult.

Accordingly, an object of the present invention is to form a vertical bellows at the end of the copper tube, it is possible to freely adjust the arrangement direction and the angle of the arrangement of the connector disposed on the end of the copper tube, to provide a buried pipe structure for air conditioning very convenient connection work will be.

An example of a buried pipe structure for an air conditioner according to the present invention for achieving the above object is a first box buried close to the outdoor unit, a second box buried close to the indoor unit, the first box disposed in the first box The connecting means and the second connecting means disposed in the second box are respectively connected to both ends of the buried pipe, the first connecting means is connected to the first pipe of the outdoor unit, and the second connecting means of the indoor unit is connected to the second connecting means. In the buried pipe structure for air conditioning,

The first connecting means is formed integrally with the first vertical bellows in the middle of the first copper tube, one end of the first copper tube is welded to the charge nipple, the first expansion tube is formed on the other end of the first copper tube It is characterized by.

In the second connecting means, a second vertical bellows is integrally formed in the middle of the second copper tube, one end of the second copper tube is welded to the bolt joint, and a second expansion tube is formed at the other end of the second copper tube. It is characterized by.

A shaft tube portion may be formed in place of the first expansion portion of the first connecting means and the second expansion portion of the second connecting means.

Another example of a buried pipe structure for an air conditioner according to the present invention is a first box is buried close to the outdoor unit, a second box is buried close to the indoor unit, the first connector of the buried pipe is disposed in the first box, buried In the pipe, the second connector is arranged in the second box, the first connector is connected to the first pipe of the outdoor unit, the second pipe of the indoor unit is connected to the second connector, the buried pipe structure for air conditioner,

The buried tube has a copper tube fitted to the protective tube, one end of the copper tube is welded to the first connector, the other end of the copper tube is welded to the second connector, and the first vertical bellows is integrally formed with the copper tube near the first connector. And a second vertical bellows is integrally formed with the copper tube in close proximity to the second connector.

Further, in the buried pipe structure for the air conditioner, the buried pipe is filled with nitrogen in the copper pipe in the factory, the stopper is fastened to the first connector so that nitrogen filled in the copper pipe does not leak, it is possible to check the nitrogen pressure charged in the copper pipe In order to be able to, in the state connected to the pressure gauge to the second connector, characterized in that transported to the construction site.

As a result, the buried pipe structure for air conditioner according to the present invention forms a vertical bellows at the end of the tube, whereby the arrangement direction and the placement angle of the connector disposed at the end of the copper tube can be freely adjusted, so that the connection work is very convenient. By manufacturing the buried pipe in the form of a finished product at the manufacturing plant, not at the construction site, there is an effect that no welding is required at the construction site.

1 is a schematic diagram showing a buried pipe structure for an air conditioner according to a first embodiment of the present invention
2 is a cross-sectional view showing the first connecting means of FIG.
3 is a cross-sectional view showing the second connecting means of FIG.
Figure 4 is a schematic diagram showing a buried pipe structure for an air conditioner according to a second embodiment of the present invention
FIG. 5 is an enlarged detailed view of the filling tube of FIG. 4. FIG.
6 is a schematic diagram showing a landfill tube filled with nitrogen

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, in the buried pipe structure for an air conditioner according to the first embodiment of the present invention, the first box 120 is embedded in proximity to the outdoor unit 110, and the second box 140 is located in proximity to the indoor unit 130. ) Is buried, and the first connecting means 10 disposed in the first box 120 and the second connecting means 20 disposed in the second box 140 are connected to both ends of the buried pipe 30, respectively. The first connecting means 10 is connected to the first pipe 115 of the outdoor unit 110, and the second connecting means 20 is connected to the second pipe 135 of the indoor unit 130.

Referring to FIG. 2, the first connecting means 10 has a first vertical bellows 12 integrally formed in the middle of the first copper tube 11, and one end of the first copper tube 11 is occupied. It is welded to the nipple 13, and the 1st expansion pipe part 14 is formed in the other end of the 1st copper pipe 11. As shown in FIG.

Alternatively, the first connecting means 10 may be formed on the other end of the first copper tube 11, instead of the first expansion tube 14, a shaft tube (not shown).

One end of the charge nipple 13 is welded to the first copper pipe 11, and a nipple fastening portion 13a is formed at the other end thereof, and a nut disposed at the end of the first pipe 115 at the nipple fastening portion 13a. 116 is fastened. Thereby, the charge nipple 13 and the 1st piping 115 are connected.

One end of the copper pipe 31 for the buried pipe 30 is fitted into the first expansion pipe portion 14, and the circumference of the first expansion pipe portion 14 and the copper pipe 31 is welded.

Referring to FIG. 3, the second connecting means 20 has a second vertical bellows 22 integrally formed in the middle of the second copper tube 21, and one end of the second copper tube 21 is bolted. It is welded to the joint 23, and the 2nd expansion pipe part 24 is formed in the other end of the 2nd copper pipe 21. As shown in FIG.

One end of the bolt joint 22 is welded to the second copper tube 21, and a bolt fastening part 22a is formed at the other end thereof, and a nut disposed at an end of the second pipe 135 at the bolt fastening part 22. (136) is concluded. Thereby, the bolt joint 23 and the 2nd piping 135 are connected.

Alternatively, the second connecting means 20 may be formed on the other end of the second copper tube 21, instead of the first expansion tube 24, a shaft tube (not shown).

The other end of the copper tube 31 for the buried tube 30 is fitted into the second expansion tube 24, and the circumference of the second expansion tube 24 and the copper tube 31 is welded.

The buried tube 30 is composed of a protective tube 33 made of plastic material, and a copper tube 31 introduced into the protective tube 33.

The outdoor unit 110, the indoor unit 130, and the first and second boxes 120 and 140 are well known, and thus detailed description thereof will be omitted.

The buried pipe structure for the air conditioner according to the first embodiment of the present invention configured as described above is the first connecting means 10 and the buried pipe 30 and the buried pipe 30 and the second connecting means in the factory, not the construction site ( 20) can be connected. That is, one end of the copper pipe 31 for the buried pipe 30 is inserted into the first expansion pipe 14 of the first connecting means 10, and the circumference of the first expansion pipe 14 and the copper pipe 31 is welded. The other end of the copper pipe 31 for the buried pipe 30 is fitted into the second expansion pipe 24 of the second connecting means 20, and the second expansion pipe 24 and the copper pipe for the buried pipe 30 31) Weld around the perimeter.

As such, the pipe connected to the first connecting means 10, the buried pipe 30, and the second connecting means 20 is transported to the construction site, and the buried pipe 30 is disposed at the buried position at the construction site. The first connecting means 10 is placed in the first box 120 and the second connecting means 20 is placed in the second box 140, respectively.

At this time, the first and second vertical bellows (12, 22) are formed in the first and second connecting means (10, 20), respectively, so that the first and second vertical bellows (12, 22) on the job site By bending according to the condition, the direction of the charge nipple 13 and the joint bolt 23 can be freely adjusted, so that the placement of the buried pipe is very convenient and the operator can make the first and second connection means. There is an advantage in that the nuts 116 and 136 of the first and second pipes 115 and 135 can be conveniently fastened to the charge nipple 13 and the joint bolt 23 of the 10 and 20.

Referring to FIG. 4, in the buried pipe structure for the air conditioner according to the second embodiment of the present invention, the first box 220 is buried close to the outdoor unit 210, and the second box 240 is close to the indoor unit 230. ) Is embedded, the first connector 260 of the buried pipe 250 is disposed in the first box 220, the buried pipe 250 is the second connector 270 is disposed in the second box 240 The first connector 260 is connected to the first pipe 215 of the outdoor unit 210, and the second connector 270 is connected to the second pipe 235 of the indoor unit 230.

The buried pipe 250 has a copper tube 252 fitted to the protective tube 251, one end of the copper tube 252 is welded to the first connector 260, the other end of the copper tube 252 is the second connector 270. Is welded, the first vertical bellows 253 is integrally formed in the copper tube in close proximity to the first connector 260, and the second vertical bellows 254 is integral in the copper tube in close proximity to the second connector 270. Is formed.

The buried pipe structure for the air conditioner according to the second embodiment of the present invention configured as described above except that the first and second vertical bellows 253 and 254 are integrally formed in proximity to both ends of the copper pipe 252, respectively. And, it is the same as the buried pipe structure for the air conditioner according to the first embodiment of the present invention.

Referring to FIG. 6, in the buried pipe structure for air conditioner according to the second embodiment of the present invention, the buried pipe 250 is filled with nitrogen in the copper pipe 252 at the factory, and filled with the copper pipe 252. The stopper 280 is fastened to the first connector 260 to prevent nitrogen from leaking, and is connected to the pressure gauge 290 at the second connector 270 to check the nitrogen pressure charged in the copper pipe 252. It is transported to the construction site.

As a result, in the buried pipe structure for air conditioners according to the second embodiment of the present invention, since the buried pipe 250 is buried in a state where nitrogen is filled in the copper pipe 252 of the buried pipe 250, the construction work site After the buried pipe 250 is buried in, the operation of filling the copper pipe 252 with nitrogen is not required.

10: first connecting means 12: first vertical bellows
20: second connecting means 20: second vertical bellows
30: buried pipe 110: outdoor unit
120: first box 130: indoor unit
140: second box

Claims (6)

The first box 120 is buried close to the outdoor unit 110, the second box 140 is buried close to the indoor unit 130, and the first connection means 10 disposed in the first box 120. And second connecting means 20 disposed at the second box 140 are connected to both ends of the buried pipe 30, respectively, and the first pipe 115 of the outdoor unit 110 is connected to the first connecting means 10. In the buried pipe structure for the air conditioner is connected to, and the second pipe 135 of the indoor unit 130 is connected to the second connecting means 20,
The first connecting means 10 has a first vertical bellows 12 formed integrally with the middle of the first copper tube 11, one end of the first copper tube 11 is welded to the charge nipple 13 And a first expansion pipe portion (14) is formed at the other end of the first copper pipe (11).
The first box 120 is buried close to the outdoor unit 110, the second box 140 is buried close to the indoor unit 130, and the first connection means 10 disposed in the first box 120. And second connecting means 20 disposed at the second box 140 are connected to both ends of the buried pipe 30, respectively, and the first pipe 115 of the outdoor unit 110 is connected to the first connecting means 10. In the buried pipe structure for the air conditioner is connected to, and the second pipe 135 of the indoor unit 130 is connected to the second connecting means 20,
The first connecting means 10 has a first vertical bellows 12 formed integrally with the middle of the first copper tube 11, one end of the first copper tube 11 is welded to the charge nipple 13 And a shaft pipe portion is formed at the other end of the first copper pipe (11).
The first box 120 is buried close to the outdoor unit 110, the second box 140 is buried close to the indoor unit 130, and the first connection means 10 disposed in the first box 120. And second connecting means 20 disposed at the second box 140 are connected to both ends of the buried pipe 30, respectively, and the first pipe 115 of the outdoor unit 110 is connected to the first connecting means 10. In the buried pipe structure for the air conditioner is connected to, and the second pipe 135 of the indoor unit 130 is connected to the second connecting means 20,
The second connecting means 20 has a second vertical bellows 22 formed integrally with the middle of the second copper tube 21, one end of the second copper tube 21 is welded to the bolt joint 23 And a second expansion pipe portion (24) is formed at the other end of the second copper pipe (21).
The first box 120 is buried close to the outdoor unit 110, the second box 140 is buried close to the indoor unit 130, and the first connection means 10 disposed in the first box 120. And second connecting means 20 disposed at the second box 140 are connected to both ends of the buried pipe 30, respectively, and the first pipe 115 of the outdoor unit 110 is connected to the first connecting means 10. In the buried pipe structure for the air conditioner is connected to, and the second pipe 135 of the indoor unit 130 is connected to the second connecting means 20,
The second connecting means 20 has a second vertical bellows 22 formed integrally with the middle of the second copper tube 21, one end of the second copper tube 21 is welded to the bolt joint 23 And a shaft pipe portion is formed at the other end of the second copper pipe (21).
The first box 220 is buried close to the outdoor unit 210, the second box 240 is buried close to the indoor unit 230, and the first connector 260 of the buried pipe 250 is placed in the first box. And disposed in the 220, the buried pipe 250 has a second connector 270 is disposed in the second box 240, the first connector 260 is connected to the first pipe 215 of the outdoor unit 210. In the buried pipe structure for air conditioner, the second pipe 235 of the indoor unit 230 is connected to the second connector 270,
The buried pipe 250 has a copper tube 252 fitted to the protective tube 251, one end of the copper tube 252 is welded to the first connector 260, the other end of the copper tube 252 is the second connector 270. Is welded, the first vertical bellows 253 is integrally formed in the copper tube in close proximity to the first connector 260, and the second vertical bellows 254 is integral in the copper tube in close proximity to the second connector 270. Landfill piping structure for an air conditioner, characterized in that formed by.
The method of claim 5, wherein
The buried pipe 250 is nitrogen filled in the copper pipe 252 in the factory, the stopper 280 is fastened to the first connector 260 so that nitrogen charged in the copper pipe 252 is not leaked, the copper pipe 252 In order to check the nitrogen pressure to be filled in, in the state connected to the pressure gauge 290 to the second connector 270, the buried pipe structure for air conditioner, characterized in that it is transported to the construction work site.

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