KR100600669B1 - Air Conditioner - Google Patents

Abstract

An object of the present invention is to provide an air conditioner that can easily and reliably attach a drain hose to a drain pipe, while maintaining sufficient sealability of the drain hose and the drain pipe.

In the air conditioner which has the drain pan 11 built in the indoor unit, and attaches the drain hose 13 to the drain pipe 12 which protruded outward of this drain pan 11, The vicinity of the said drain pipe 12 A screw hole 15 for fixing the attachment screw 32 to the drain hose 13, and the drain hose 13 is attached to the drain pipe 12 using the attachment hole 31, and the attachment hole 31 is It has a fixed part for inserting the screw part 32b of the attachment screw 32, and the fastening part which fits the drain hose 13 to the outside.

Drain pan, Drain hose, Mounting screw, Drain pipe, Mounting hole, Thread

Description

Air Conditioner {Air Conditioner}

1 is a side cross-sectional view of a wall-mounted indoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a perspective view of the periphery of the drain pipe of the drain pan of FIG.

3 is an exploded perspective view showing the drain hose and the fitting.

<Explanation of symbols for the main parts of the drawings>

1: body case

7: heat exchanger

9: cross flow fan (blower)

10: indoor unit

11: drain pan

12: drain pipe

13: drain hose

15: screw hole

21: Attachment part

22: hose part

24: fixed part

25: sealing part

26: ring shape groove

31: attachment hole

32: attachment screw

33: ring part (fastening part)

34: Soring Department

35: seam

The present invention relates to an air conditioner for attaching a drain hose to a drain pipe of a drain pan.

Generally, a heat exchanger, a blower, etc. are accommodated inside the wall-mounted indoor unit of an air conditioner, for example, and the drain pan is arrange | positioned under the heat exchanger. This drain pan is formed to be thin and long horizontally, and the drain pipe which protrudes outward is provided in the bottom part of the both ends of the longitudinal direction, respectively. A flexible drain hose is attached to one of these drain pipes, and a blocking tap is attached to the other drain pipe (see Patent Document 1, for example).

[Patent Document 1]

Japanese Patent Laid-Open No. 2001-65906

By the way, the two drain pipes are provided so that the drain hose and the blocking nipple can be replaced when the indoor unit is installed so that the direction in which the drain hose is drawn out can be arbitrarily selected depending on the attachment state of the indoor unit to the room. For this reason, it is necessary to make attachment of the drain hose to a drain pipe easy and reliable.

Moreover, the sealing property of a drain hose and a drain pipe is an important subject, and it is calculated | required that a leak does not arise even if an air conditioner is used for a long time.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described conventional problem, and to maintain the sealability of the drain hose and the drain pipe sufficiently, and to easily and reliably attach the drain hose to the drain pipe. It is to provide an air conditioner which can be performed.

In order to achieve the above object, the invention according to claim 1 has a drain pan built in an indoor unit, and in an air conditioner in which a drain hose is attached to a drain pipe protruding outward of the drain pan,
A screw hole for fixing the attachment screw in the vicinity of the drain pipe,
The drain hose is attached to the drain pipe using the attachment screw and the attachment port,
The attachment port is formed by integrally forming a soring portion through which the threaded portion of the attachment screw is inserted, and a portion of the ring portion fitted with a joint and fitted into a ring-shaped groove provided on an outer circumference of the drain hose with an elastic member.

EMBODIMENT OF THE INVENTION Hereinafter, one Embodiment of this invention is described based on drawing.

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1 is a side sectional view of a wall-mounted indoor unit of an air conditioner. This wall-mounted indoor unit 10 includes a main body case 1, a front panel 3 and a ceiling panel 5 attached to the main body case 1. The front panel 3 has a front inlet 4, and the ceiling panel 5 has an upper surface inlet 6.

The main body case 1 is formed in a horizontal length using a synthetic resin as a material, and a cross flow fan (blower) 9 is provided at an approximately center position in the main body case 1 and extends in the longitudinal direction. A heat exchanger 7 is disposed between the cross flow fan 9, the front inlet port 4, and the upper surface inlet port 6.

This heat exchanger 7 consists of three blocks, and is formed in the roughly "u" shape and the "へ" shape so that the cross flow fan 9 may be enclosed, and is elongate in the direction orthogonal to a paper surface.

Under the heat exchanger 7, a drain pan 11 for picking up water that is condensed and dropped by the heat exchanger 7 is provided, and the drain pan 11 is made of synthetic resin and is horizontally thin. It is formed long and is fixed to the main body case 1. Cylindrical drain pipes 12 protruding rearward and downward are respectively provided in two lower end portions of the drain pan 11.

Fig. 2 is a perspective view of the periphery of one of the drain pans viewed from the rear.

In FIG. 2, the code | symbol 12 has shown the right drain pipe from the front of an indoor unit among the waste pipes mentioned above. Ribs 14 are provided on the outer circumference of the drain pipe 12, and the drain hose 13 is inserted to the position of the ribs 14. The drain pipe 12 selects one of the left and right drain pipes and attaches the drain hose 13. When the drain hose 13 is attached to the right drain pipe 12, the drain pipe 12 is connected to the left drain pipe not shown. Occlusion taps (not shown) are attached. This block is made of rubber and its outer periphery is tightly attached to the inner periphery of the drain pipe.

Moreover, the screw hole part 15 is provided in this drain pipe 12 vicinity. This screw hole part 15 is provided with a screw fixing hole in the center of a cylindrical boss, and protrudes below the rear inclination of the drain pan 11 by the same angle as the drain pipe 12. As shown in FIG.

In addition, in this embodiment, although it demonstrates in the right side part of the drain pan 11, the left side part of the drain pan 11 is the same structure.

3 is an exploded perspective view showing the drain hose and the fitting.

In Fig. 3, the drain hose 13 has an attachment portion 21 for attaching to the drain pipe 12, a hose portion 22 for passing drain water through the inside thereof, and a view of the drain hose 13. It consists of a connection part (not shown) for connecting with the extension drain hose connected to the other end side which is not shown. In addition, the attachment portion 21 is inserted into the fixing portion 24 fixed to the drain pipe 12 (refer to FIG. 2) and the fixing portion 24, and is in contact with the outer circumference of the drain pipe 12 to seal the contact portion. It consists of the sealing part 25. The fixing portion 24 is formed in a cylindrical shape using polypropylene as a material, and a ring-shaped groove 26 is formed on the outer circumference near the end of the drain pan 11 side, and the end of the hose portion 22 side is formed. It is formed in the shape of diameter reduction in steps.

The hose part 22 is made of polypropylene as a flexible material, and a heat insulating material is bonded to the outer circumference of the hose part 22 to form a plain shape.

The said sealing part 25 is comprised from materials, such as soft EPM rubber, is inserted in the inside of the fixing part 24, and is fixed firmly without using an adhesive agent. The inner diameter of the sealing portion 25 is fitted to the outer circumference of the drain pipe 12 in a watertight manner. The outer periphery of the sealing portion 25 is formed with a ring-shaped recess 27 that is wider than the groove of the ring-shaped groove 26 at a position corresponding to the ring-shaped groove 26 of the fixing portion 24. .

In Fig. 2 and Fig. 3, reference numeral 31 denotes an attachment port used for attaching the drain hose 13 to the drain pipe 12, and reference numeral 32 denotes an attachment screw. The attachment port 31 is produced by processing a flexible linear elastic member in a round shape, and has two ring portions 33 and 34 in large and small sizes. The diameter of the large ring portion (fastening portion) 33 is made slightly smaller than the diameter of the bottom portion of the ring-shaped groove 26, so as to dig when the large ring portion 33 is fitted to the ring-shaped groove 26 to the outside. . The diameter of the souring portion (fixed portion) 34 is slightly larger than the diameter of the screw portion 32b of the attachment screw 32 and smaller than the diameter of the head portion 32a. In addition, a seam 35 is provided in the large ring portion 33, and the large ring portion 33 can be inserted into the expansion ring-shaped groove 26 by the seam 35 so that attachment and detachment to the ring-shaped groove 26 is easy. Is letting go.

In the drain pan 11 and the drain hose 13 comprised as mentioned above, when attaching the drain hose 13 to the drain pan 11, the ring ring part 33 is fitted in the ring-shaped groove 26. . Next, the drain hose 13 is inserted into the drain pipe 12, and one end of the drain hose 13 is inserted until it contacts the rib 14 of the drain pipe 12. The attachment screw 32 is inserted into the soring portion 34 to fix the screw hole portion 15 by aligning the positions of the souring portion 34 and the screw hole portion 15.

Since the drain hose 13 is fixed to the drain pipe 12 in this way, the drain hose 13 is firmly and easily fixed to the drain pan 11. In addition, the attachment port 31 is made of an elastic member, and the attachment port 31 is pressed against the drain pipe 12 via the sealing portion 25 from the outer circumference of the attachment portion 21, so that the attachment portion 21 is provided. In close contact with the drain pipe 12, the sealing property of the drain hose 13 and the drain pipe 12 is sufficiently exhibited.

In addition, since the drain hose 13 can be attached to or detached from the drain pipe 12 by attaching and removing the attachment screw 32, the drain hose 13 can be easily carried out even if the drain hose 13 is replaced with the left and right drain pipes 12 (usually drained at the factory). The hose 13 is connected to the right side drain pipe 12].

As mentioned above, although this invention was demonstrated based on one Example, this invention is not limited to this.

In the present embodiment, the fittings 31 are formed in a round shape, but the fittings may be made into an eight-character shape having two ring portions.

In the present embodiment, the wall-mounted indoor unit is described, but other types of air conditioners such as a ceiling embedded type and a floor mounted type may be used.

The air conditioner of the present invention connects the drain hose to the drain pipe using an attachment hole, and the attachment hole has a fastening portion fitted to the drain hose and a fixing portion fixed to the drain pan by inserting a screw portion of the attachment screw. The hose can be securely and easily fixed to the drain pipe.

Moreover, since the attachment port uses an elastic member, the fastening part of the attachment port can press the drain hose and the drain pipe, and the sealing property of the drain hose and the drain pipe can be kept favorable.

Claims (4)

In the air conditioner which has a drain pan built in the indoor unit, and attaches a drain hose to the drain pipe which protruded outward of this drain pan, A screw hole for fixing the attachment screw in the vicinity of the drain pipe, The drain hose is attached to the drain pipe using the attachment screw and the attachment port, The attachment port is formed by integrally forming a soring portion for inserting the threaded portion of the attachment screw, and a portion of the ring portion fitted with a joint and fitted in a ring-shaped groove provided on an outer circumference of the drain hose with an elastic member. Conditioner. delete delete delete

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