JP3150922U - Drain-up piping for air conditioning indoor units - Google Patents

Abstract

[PROBLEMS] To construct a drain-up pipe used for guiding a drain generated in an air-conditioning indoor unit installed indoors to the outside of a room, and to easily suspend a hose joint with a simple structure. Improve sexiness. SOLUTION: A hose joint 4 for connecting a drain pipe 2a of an air conditioning indoor unit 2 and a drain horizontal running pipe 3 for guiding the drain discharged from the drain pipe to the outside of the room, and for suspending the air conditioning indoor unit on a ceiling portion. The drain-up piping 1 of an air-conditioning indoor unit provided with the suspension part 6 and the suspension part 5 which suspends a hose coupling. The suspension part may be a suspension bolt, and the suspension part may be screwed with the suspension bolt. The hose joint has a hose portion 4a having heat insulating properties and elasticity, and is deformed according to the distance between the drain pipe and the drain side running pipe and the obstacle interposed between the drain pipe and the drain side running pipe. Can be possible. [Selection] Figure 1

Description

  The present invention relates to a drain-up pipe for an air conditioning indoor unit that is used when the drain generated by an air conditioning indoor unit installed indoors is led to the outside of the room.

  Conventionally, as shown in FIG. 3, in order to guide the drain generated in the air conditioning indoor unit 51 installed on the indoor ceiling or the like to the outside, a drain pump (not shown) is provided to the air conditioning indoor unit 51 supported by the suspension bolt 56. The drain pipe 51 a protruding from the air conditioning indoor unit 51 and the drain side running pipe 53 are connected by a hose joint 52. At that time, in order to maintain the hose portion 52a of the hose joint 52 in a stable state, the hose portion 52a is supported by the suspension metal fitting 54 via the suspension bolt 55 fixed to the concrete ceiling.

  As specific drain piping installation work, as shown in FIG. 4, first, in step S1, the drain horizontal pipe 53 is laid, and in step S2, the drain horizontal pipe 53 is subjected to a water flow test. After confirming that there is no, in step S3, the drain transverse tube 53 is kept warm.

  In step S4, the air conditioning indoor unit 51 is installed on the ceiling, and in step S5, the drain pipe 51a of the air conditioning indoor unit 51 and the existing drain lateral running pipe 53 are connected via the hose joint 52.

  Thereafter, in step S6, a motor (not shown) of the air conditioning indoor unit 51 is operated using a temporary power source or the like (not shown), and a water passage test of the drain pipe 51a is performed. After confirming that there is no leakage, in step S7, the drain pipe 51a around the air-conditioning indoor unit 51 is dew-proofed. Finally, in step S8, a light iron ceiling foundation is attached, and in step S9, a ceiling board is pasted to complete the arrangement of the air conditioning indoor unit 51 and the ceiling work.

  In the drain pipe installation work, a work procedure for supporting the hose part 52a with the suspension fitting 54 via the suspension bolt 55 will be described with reference to FIG. First, in step S5a, a position for installing the lifting metal fitting 54 for draining up is selected. In step S5b, a hole is drilled in the ceiling portion. In step S5c, a suspension bolt of all screws is placed in the hole. 55 is inserted and fixed, and the suspension fitting 54 is attached to the suspension bolt 55 in step S5d. Finally, in step S5e, the hose portion 52a is suspended by the suspension fitting 54 and the operation is completed. In addition, when there is a deck such as an iron plate on the ceiling, the suspension bolt 55 is fixed to the deck by welding, or the suspension bolt 55 is fixed to the suspension bolt 55 via a bracket or the like attached to the deck. The hose portion 52a can also be suspended by the suspension fitting 54.

  However, in the above-described conventional drain piping installation work, when the ceiling is made of concrete, when fixing the suspension bolt to the concrete, it is necessary to drill a hole in the concrete and fix the suspension bolt. There was a problem that it took time and effort. On the other hand, even when a deck is provided on the ceiling, it is necessary to weld a suspension bolt to the deck or to provide a bracket or the like.

  Therefore, the present invention has been made in view of the above-described problems in the prior art, and can easily hose a hose joint with a simple structure, thereby improving the workability of piping work. It aims at providing the drain up piping of an air-conditioning indoor unit.

  In order to achieve the above object, the present invention provides a drain-up pipe for an air-conditioning indoor unit, comprising a drain pipe for the air-conditioning indoor unit, and a drain horizontal running pipe for guiding the drain discharged from the drain pipe to the outside. A hose joint to be connected, and a suspension part that is attached to a suspension part for suspending the air conditioning indoor unit on a ceiling part and that suspends the hose joint are provided.

  And according to the drain up pipe concerning this invention, in order to suspend a hose joint by the suspension part attached to the suspension part for suspending an air-conditioning indoor unit to a ceiling part, in order to fix a suspension part to a ceiling The hose joint can be easily suspended with a simple structure, and the workability of the piping work is improved.

  In the drain-up piping of the air conditioning indoor unit, the suspension part can be a suspension bolt, and the suspension part can be configured to be screwed with the suspension bolt. Thereby, the position of a suspension part can be adjusted easily and workability | operativity of piping construction can be improved more.

  In the drain-up piping of the air conditioning indoor unit, the hose joint has a hose portion having heat insulating properties and elasticity, and a distance between the drain pipe and the drain horizontal running pipe, and the drain pipe and the drain horizontal pipe. It can be made deformable in accordance with an obstacle interposed between the running tube. Since the hose joint has a heat insulating property, it is not necessary to separately provide a heat insulating material, and since it has elasticity, it can be easily connected to a drain transverse pipe. Moreover, although the distance between a drain pipe and a drain horizontal running pipe changes with construction sites, it deform | transforms according to the distance and can connect a drain pipe and a drain horizontal running pipe. Moreover, even if there is an obstacle between the drain pipe and the drain side running pipe, the hose joint can be attached while avoiding the obstacle.

  As described above, according to the present invention, it is possible to provide a drain-up pipe for an air-conditioning indoor unit that can easily hose a hose joint with a simple structure and can improve the workability of piping work. it can.

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

  FIG. 1 shows an embodiment of a drain-up pipe according to the present invention. The drain-up pipe 1 is used to guide the drain pipe 2a of the air conditioning indoor unit 2 and the drain discharged from the drain pipe 2a to the outside. The hose joint 4 is connected to the drain horizontal running pipe 3 and a suspension portion 6 (full screw suspension bolt) for suspending the air conditioning indoor unit 2 to the ceiling portion (not shown), and the hose joint 4 is suspended. And a suspension part 5.

  The hose joint 4 includes a hose portion 4a and attachment portions 4b and 4c at both ends thereof. The hose part 4a and the attachment parts 4b and 4c are made of soft vinyl chloride or the like, and the hose part 4a has heat insulation and elasticity, and is deformed even when suspended by the suspension part 5 to block the pipe line. The strength is not to. The hose portion 4a is bent due to its flexibility and does not depend on the distance or position between the drain pipe 2a and the drain horizontal pipe 3, and becomes an obstacle between the drain pipe and the drain horizontal pipe. Even if there is a hose, the hose joint 4 can be attached while avoiding an obstacle. The attachment portions 4b and 4c are formed in an elbow shape or a cylindrical shape, and are configured to be insertable into the drain pipe 2a and the drain horizontal running pipe 3 of the air conditioning indoor unit 2 so as to surround them. The tightening portions 4d and 4e are provided with a band or the like, and after attaching the attachment portions 4b and 4c to the drain pipe 2a and the drain horizontal running pipe 3, respectively, the attachment portions 4b and 4c are tightened from the outside to thereby attach the attachment portions 4b 4c is provided to prevent the drain from the drain pipe 2a and the like, and to prevent leakage of the drains of the mounting portions 4b and 4c.

  The suspension part 5 is provided to support the hose part 4a of the hose joint 4 in a suspended state. As shown in FIG. 2, the suspension part 5 is entirely made of plastic and has a U-shaped hose holding part 5a and a belt. A plate-like lid portion 5b and a female screw portion 5c are provided. The tip of the hose holding portion 5a is formed as a locking portion 5d, and a locking hole 5e is formed in the lid portion 5b. The hose part 4a can be surrounded and hung by the hose holding part 5a. The female screw portion 5c has a thread corresponding to the screw of the hanging portion 6, and by screwing with the hanging portion 6, the position of the holding portion 5 with respect to the hanging portion 6 can be easily finely adjusted. Even if the drain flows through the portion 4a and the load increases, it does not slide off from the hanging portion 6.

  Next, an example of a drain-up piping installation method for an air conditioning indoor unit having the above configuration will be described with reference to FIG.

  As a specific piping installation work, as shown in FIG. 4A, the work is performed in the same order of steps as in steps S1 to S9. However, in the present invention, as shown in FIG. Compared with the process of (b), the process of supporting the hose part 4a can be simplified.

  In step S15a, the attachment position of the suspension part 5 to the suspension part 6 is selected, and the suspension part 5 is fixed to the suspension part 6 in step S15b. Finally, in step S15c, the hose part 4a is suspended by the suspension part 5, and the operation is finished.

  Here, when the hose part 4a is suspended by the suspension part 5, as shown in FIG. 2 (a), the female thread part so that the thread of the suspension part 5 and the screw of the suspension part 6 are screwed together. When 5c is fixed to the suspension part 6, and then the hose part 4a is suspended by the hose holding part 5a and the lid part 5b is pushed down with a finger, the engagement of the lid part 5b is performed as shown in FIG. The stop hole 5e is locked to the locking portion 5d of the hose holding portion 5a, and the hose portion 4a can be suspended by the suspension portion 5.

  In this way, in the present invention, as shown in FIG. 4 (c), a hole is easily formed in the ceiling, and the process of inserting and fixing the suspension bolts of all screws in the hole is easily performed. The hose part 4a can be supported.

  Moreover, when the hose part 4a of the hose joint 4 is suspended by the suspension part 5, the suspension part 5 is selected such that the suspended part of the hose part 4a is deformed and the pipeline is not blocked. It is preferable to install them. Specifically, by suspending the hose joint 4 at a position away from the mounting portion 4b to some extent by the suspending portion 5, the risk that the hose joint is deformed and the pipe line is blocked is reduced, and the drain is stably discharged. Can be led to the drain horizontal pipe.

It is the schematic which shows one Embodiment of the drain up piping concerning this invention. It is a perspective view for demonstrating an example of the holding part of the drain up piping of FIG. 1, and its usage. It is the schematic which shows an example of the conventional drain up piping. It is the flowchart which compared the installation and ceiling construction method of the air-conditioning indoor unit concerning the past and this invention.

DESCRIPTION OF SYMBOLS 1 Drain up piping 2 Air conditioning indoor unit 2a Drain pipe 3 Drain side running pipe 4 Hose joint 4a Hose part 4b, 4c Mounting part 4d, 4e Fastening part 5 Suspension part 5a Hose holding part 5b Cover part 5c Female thread part 5d Locking Part 5e Locking hole 6 Hanging part

Claims (3)

A hose coupling for connecting a drain pipe of an air conditioning indoor unit and a drain lateral pipe for guiding the drain discharged from the drain pipe to the outside;
A drain-up pipe for an air-conditioning indoor unit, comprising: a suspension unit that is attached to a suspension unit for suspending the air-conditioning indoor unit on a ceiling unit and that suspends the hose joint.   The drain-up pipe of an air conditioning indoor unit according to claim 1, wherein the suspension part is a suspension bolt, and the suspension part is screwed with the suspension bolt.   The hose joint has a hose portion having heat insulating properties and elasticity, and a distance between the drain pipe and the drain transverse pipe, and an obstacle interposed between the drain pipe and the drain transverse pipe. The drain-up pipe for an air conditioning indoor unit according to claim 1 or 2, wherein the drain-up pipe can be deformed according to the conditions.

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