KR200438741Y1 - A plug for air conditioner piping fitting - Google Patents

Abstract

This design makes the construction and management of air conditioner installation piping very simple, and the connection and individual replacement of the landfill pipe and external piping is easy, which greatly reduces the piping and management costs, and ensures safety without the risk of leakage or corrosion caused by welding. It relates to an air conditioner installation piping plug.

The present invention for realizing this is to connect an external pipe connected to an indoor unit or an outdoor unit to a well-known multi-pipe simultaneous connection 5 which is fixed to a joint box and equipped with a plurality of pipe joint sockets connected to a plurality of buried pipes. A base fixed to the multi-pipe simultaneous connection port and having respective connection passages for mounting connection of an external pipe of a high / low pressure refrigerant pipe; It is formed of a fastening portion coupled to each connection passage of the base to prevent the rotation and one side of the mounting portion and formed of an outer fastening portion formed with a thread on the outer circumferential surface and the other side of the mounting portion and coupled to the pipe joint socket of the multi-pipe simultaneous connection port. An insert socket for connecting a high / low pressure refrigerant pipe, the nipple part being integrally formed and an inner passage formed therein; And a flange nut coupled to the external fastening portion of the insert socket and connected to the external pipe.

Description

Plug for air conditioner installation piping {A PLUG FOR AIR CONDITIONER PIPING FITTING}

1 is a view showing the configuration of the prior art and its installation state

Figure 2 is an exploded perspective view showing the configuration of an embodiment according to the present invention

3 is a perspective view of the combination of FIG.

4 is a cross-sectional view of FIG.

5 is a cross-sectional view of the mounting state of FIG.

6 is a block diagram of another embodiment according to the present invention

7 is a configuration diagram of another embodiment according to the present invention

8 is an installation state according to the present invention

9 is an installation state according to the present invention

10 is an installation state of the present invention

* Description of symbols for the main parts of the drawings.

1: plug for air conditioner installation and piping of the present invention

a: high pressure refrigerant pipe b: low pressure refrigerant pipe 2: buried pipe

3: External piping 5: Multi-pipe simultaneous port 7: Joint box

10: base 11,12: connecting passage 13: insulation

30: insert socket 31: external fastening part 33: mounting part

35: nipple part 37: locking flange 50: flannel nut

51: nut part 53: inclined part 55: outlet

71: O-ring 73: funnel packing 6: U-shaped tube

This design makes the construction and management of air conditioner installation piping very simple, and the connection and individual replacement of the landfill pipe and external piping is easy, which greatly reduces the piping and management costs, and ensures safety without the risk of leakage or corrosion caused by welding. It relates to an air conditioner installation piping plug.

In general, a separate air conditioner using a phase change circulation cycle of a refrigerant is separated into an indoor unit including an evaporator and a blower fan and placed in an indoor unit, and an outdoor unit including an compressor and a condenser and placed in an outdoor unit. The refrigerant passage pipe and a signal cable are installed to circulate the indoor unit and the outdoor unit, and a drain pipe is drawn out from the indoor unit to the outside.

The refrigerant passage pipe is a gaseous refrigerant is compressed to a gas state of high temperature and high pressure by a compressor in the outdoor unit and then heat exchanged by a heat radiating fan and condensing action through the expansion valve in a high temperature liquid phase to be pressure-strengthened and sent to the indoor unit A high pressure refrigerant tube made of copper pipe through which the high pressure refrigerant passes, and the high pressure refrigerant tube flows into the evaporator of the indoor unit to vaporize and absorbs the surrounding heat, and the cold air formed at this time is a blower fan located adjacent to the evaporator. It consists of two tubes of the low pressure refrigerant pipe made of copper pipe discharged to the room by the low pressure refrigerant gas vaporized in the evaporator to the outdoor unit again.

In such refrigerant pipes and drainage pipes, wall pipes are usually constructed as landfill pipes when wall concrete is poured, and connection with external pipes connected to indoor units and outdoor units and exposed to the outside is made in joint boxes installed on the walls.

The connection between the buried pipe and the external pipe made of copper pipes was often difficult because the welding joint method was used to bring the welding equipment to the site.

Therefore, the present applicant is continuously researching and developing a technology for connecting such an air pipe, and a number of technologies other than Patent Registration No. 0511249 are pre-registered.

One of the techniques by the present applicant, as shown in Figure 1, by using a multi-pipe simultaneous connection 5, a plurality of buried pipes (2), such as high pressure refrigerant pipe (a), low pressure refrigerant pipe (b), drain pipe and the outside The pipe 3 can be connected by a fastening method rather than welding to facilitate pipe connection.

However, the prior art has a difficulty in repairing and replacing the pipes individually by using the molded pipe connector 4 in which the external pipe connection part is integrally coupled to the plurality of pipes.

In addition, condensation may occur on the outer surface of the connection port due to the refrigerant in the pipe, causing mold contamination in the joint box 7.

In addition, in the case of the wall-mounted air conditioner, the pipe is refracted. In the related art, the elbow is welded to the pipe, which not only wastes the parts cost and workmanship, but also causes leakage or corrosion of the pipe due to the weld. There was a problem of protruding to damage the appearance.

The present invention has been devised to solve the above problems,

It is an object of the present invention to provide a plug for an air conditioner installation pipe, which makes the construction and management of an air conditioner installation pipe very easy, and allows the connection and individual replacement of a landfill pipe and an external pipe to be easily performed.

Another object of the present invention is to prevent external surface condensation and to keep the pipe connection clean. As the insert socket is deflected, the wall-mounted air conditioner pipe can be easily made without protruding to the outside, thereby reducing the cost of parts and labor, thereby reducing the piping cost. It provides a plug for air conditioner installation pipes that significantly reduces and eliminates welding to secure airtight leakage and corrosion risk.

Plug for air conditioning installation piping according to the present invention to achieve the above object,

In connecting the external pipe connected to the indoor unit or the outdoor unit to a well-known multi-pipe simultaneous connection 5 which is fixed to the joint box and is equipped with a plurality of pipe joint sockets connected to a plurality of buried pipes,

A base fixed to the multi-pipe simultaneous connection port and having respective connection passages for mounting connection of an external pipe of a high / low pressure refrigerant pipe;

It is formed of a fastening portion coupled to each connection passage of the base to prevent the rotation and one side of the mounting portion and formed of an outer fastening portion formed with a thread on the outer circumferential surface and the other side of the mounting portion and coupled to the pipe joint socket of the multi-pipe simultaneous connection port. An insert socket for connecting a high / low pressure refrigerant pipe, the nipple part being integrally formed and an inner passage formed therein; And

And a flange nut coupled to the external fastening portion of the insert socket and connected to the external pipe.

Hereinafter, with reference to the accompanying drawings an embodiment of the plug for the air conditioning installation pipe of the present invention will be described in more detail.

Figure 2 is an exploded perspective view showing the configuration of an embodiment according to the present invention, Figure 3 is a combined perspective view of Figure 2, Figure 4 is a sectional view of Figure 3, Figure 5 is a sectional view of the mounting state of FIG.

As shown in Figure 2 to 5, the air conditioner installation pipe plug 1 according to the present invention is fixed to the joint box (7) and a plurality of pipe joint socket (5a) connected to the plurality of buried pipe (2) In connecting the external pipe 3 connected to the indoor unit or the outdoor unit to the well-known multi-pipe simultaneous connection 5 to which the (5b) is mounted, the high / low pressure refrigerant pipe (a) is fixed to the multi-pipe simultaneous connection 5. (b) a base 10 in which respective connection passages 11 and 12 are formed for mounting connection of the external pipe 3, and coupled to prevent the rotation of the connection passages 11 and 12 of the base; Is formed on one side of the fitting portion 33 and the fitting portion 33 and the external fastening portion 31 and the other side of the fitting portion 33 is formed on the outer circumferential surface of the thread 31a is formed of the A high / low pressure refrigerant pipe (a) (b) having an inner passage 32 formed integrally with a nipple portion 35 coupled to the pipe joint sockets 5a and 5b. Gyeolyong coupled to the socket insert 30 and the outer fastening portion 31 of the insert socket 30 and is composed of a flare nut 50 which is connected to the external pipe (3).

Here, the base 10 is a circular guide inlet (11b) (12b) formed in each of the connecting passage (11, 12) is formed in the hexagonal portion (11a) (12a) for the rotation stop and the hexagonal portion rearward Is preferred.

In addition, the base 10 is coated with a heat insulating material 13 to prevent condensation on the outer surface.

The insert socket 30 has an outer circumferential surface of the fitting portion 33 in a hexagonal shape corresponding to the connecting passages 11 and 12, and is formed between the fitting portion 33 and the nipple portion 35 in the base 10. It is preferable that the engaging flange 37 is formed.

On the other hand, in order to bend the pipe like a wall-mounted air conditioner, the insert socket (30a) is the outer fastening portion 31 is bent at a predetermined angle as shown in Figure 6 and the thread 31a is a deflection portion Can only be formed.

The refractive angle θ is preferably formed to about 70 degrees.

In addition, if the depth of the joint box (7) is not possible to use the fastening tool, disassemble the plug for the installation pipe into a bundle and fasten and assemble the flan nut (50) connected to the indoor or outdoor unit connection pipe, 5) will be recombined.

In order to fasten the flange nut 50, the insert socket 30 should be fixed. The base 10, which is integrally coupled with the insert socket, is disassembled from the multi-port simultaneous connection part which is fixed to the insert socket 30 to hold the insert socket 30. You should be able to.

To this end, as shown in FIG. 7, the insert socket 30 has a hexagonal fitting portion 33 further extended to form a predetermined length exposed to the outside of the base 10.

Therefore, the flannel 50 can be fastened with the other hand while holding the exposed hexagonal fitting part 33a using one wrench with one hand.

The nipple portion 35 of the insert socket 30 is preferably formed with a groove 35a for mounting the O-ring 71 at one or more places in order to maintain airtightness.

The coupling structure between the nipple part 35 and the pipe joint sockets 5a and 5b of the multi-pipe simultaneous connection is made in a one-touch manner.

In addition, the flannel 50 has a nut portion 51 having a screw therein and a pipe outlet 55 having an inner diameter smaller than that of the nut portion 51, and between the nut portion 51 and the outlet 55. And an inclined portion 53 to which the front end of the insert socket 30 is coupled, and the funnel-type packing 73 may be provided to the inclined portion 53.

It looks at the assembly and action state of the air conditioner installation pipe plug 1 according to the present invention having such a configuration.

In connecting the connection pipe of the indoor unit or the outdoor unit to the multi-pipe simultaneous connection port 5, when the insert socket 30 is positioned in accordance with the pipe joint sockets 5a and 5b, the high-pressure refrigerant pipe After the socket joint is made, the base 10 is bolted to the body of the conduit pipe 5.

During wall construction, the gas-filled nipple 8 is connected to the inlet of the high-pressure refrigerant pipe of the indoor joint box 7 and the pressure gauge 9 is coupled to the inlet of the low-pressure refrigerant pipe by using the flannel 50 (see FIG. 8). The outdoor side is connected to the high pressure refrigerant tube a and the low pressure refrigerant tube b through the U-shaped tube 6 (see FIG. 9).

In addition, gas is charged through the gas filling nipple (8) and the pressure gauge (9) is monitored to monitor the damage to the buried pipe that may be caused by concrete pouring.

When the air conditioner is connected after the completion of the building, the air conditioner installation piping is extremely simply completed by disassembling only the flannel 50 and inserting each of the pipes 3 and 3 on the indoor unit and the outdoor unit into the flan nut.

The outer pipe (3) forms an extended tip (3a) corresponding to the inclined portion (53) of the flannel on one side end and pushes the outer pipe (3) to the outlet 55 to draw out the expanded tip (3a) Since the flannel 50 is fastened to the insert socket 30 in the state where the flap nut is inclined by the inclined portion 53, a firm coupling without fear of separation occurs.

The present invention is very easy to install and manage the air conditioner installation pipe and the connection of the indoor unit or outdoor unit connection pipe is made easily without the cumbersome welding work, and the indoor and outdoor high and low pressure refrigerant connection pipe using the flannel 50 The separate combinations simplify the individual repair and replacement of pipes.

In addition, the heat insulating material 13 is coated on the base to prevent condensation.

In addition, since the insert socket 30a is deflected, a pipe connection is immediately made to a wall-mounted air conditioner pipe without cumbersome steps, such as elbow welding, thereby dramatically reducing parts costs and workmanship, thereby reducing piping cost and leak-tightness because there is no welding part. And the corrosion occurrence factor is excluded to ensure safety, and the pipe does not protrude to the outside to prevent damage.

In the above, preferred embodiments of the present invention have been described with reference to the accompanying drawings. Here, the terms or words used in the present specification and claims should not be construed as being limited to ordinary or dictionary meanings, but should be construed as meanings and concepts corresponding to the technical spirit of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical ideas of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

As described in detail above, the air conditioner installation pipe plug according to the present invention has an excellent effect that the construction and management of the air conditioner installation pipe is very easy, and the connection and individual replacement of the external pipe is easily done.

In addition, the pipe connection is kept clean by preventing condensation, and the wall-mounted air conditioner pipe is easily made without protruding from the insert socket due to the refraction of the insert socket. Safety against leakage and corrosion risks is ensured.

Claims (8)

An external pipe connected to the indoor unit or the outdoor unit to a well-known multi-pipe simultaneous connection 5 to which a plurality of pipe joint sockets 5a and 5b fixed to the joint box 7 and connected to a plurality of buried pipes 2 are mounted ( In connecting 3), A base 10 fixed to the multi-pipe simultaneous connection 5 and having respective connection passages 11 and 12 for mounting connection of the high / low pressure refrigerant pipes (a) and (b) external pipes (3); An external fastening portion 31 formed with a fitting portion 33 coupled to each connection passage 11 and 12 of the base to one side of the fitting portion 33 and a thread 31a formed on an outer circumferential surface thereof. ) And the nipple portion 35 formed on the other side of the fitting portion 33 and coupled to the pipe joint sockets 5a and 5b of the multi-pipe simultaneous connection are integrally formed and the inner passage 32 is formed. Low pressure refrigerant pipe (a) (b) insert socket 30 for connecting; And A plug for air conditioner installation piping, comprising: a flannel (50) coupled to an external fastening portion (31) of the insert socket (30) and connected to an external pipe (3). The method of claim 1, The base 10 is composed of hexagonal portions (11a) (12a) for each of the connecting passages (11) and (12) for rotation prevention and circular guide inlets (11b) (12b) formed to the rear of the hexagonal portion. Plug for air conditioner installation piping characterized by the above-mentioned. The method according to claim 1 or 2, The base 10 is a plug for air conditioner installation piping, characterized in that the outer surface is coated with a heat insulating material (13) to prevent condensation. The method according to claim 1 or 2, The insert socket 30 has an outer circumferential surface of the fitting portion 33 in a hexagonal shape corresponding to the connecting passages 11 and 12, and is formed between the fitting portion 33 and the nipple portion 35 in the base 10. Plug for air conditioning installation piping, characterized in that the engaging flange 37 is formed. The method according to claim 1 or 2, The insert socket (30a) is the plug for the air conditioner installation piping, characterized in that the external fastening portion 31 is bent at a predetermined angle and the thread (31a) is formed only in the bend portion. The method of claim 4, wherein The insert socket 30 is a plug for air conditioner installation piping, characterized in that the hexagonal formed fitting portion 33 is further extended to form a predetermined length exposed to the outside of the base (10). The method of claim 4, wherein Plug in the air conditioner installation piping, characterized in that the nipple portion 35 of the insert socket 30 is formed with a groove (35a) for mounting the O-ring (71) at one or more places. The method of claim 1, The flannel 50 is connected between a nut part 51 having a screw formed therein and a pipe outlet 55 having an inner diameter smaller than that of the nut part 51, and the nut part 51 and the outlet 55. And formed with an inclined portion 53 to which the tip of the insert socket 30 is coupled, Plug for air conditioner installation piping, characterized in that the inclined portion 53 is provided with a funnel-type packing (73).

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