KR100792522B1 - Washing machine - Google Patents

Abstract

A washing machine is provided to reduce the number of processes and a fabrication cost by integrally forming a siphon preventive unit and a condensing duct. A washing machine comprises a body, a washing tub, a drain member, a drying unit, a condensing duct, and a siphon preventive unit(5). The siphon preventive unit is integrally connected to the condensing duct. Hanging units(61,62) are formed at one part of the drain member or the condensing duct, and hanging protrusions(41,42) are formed at the other part of the drain member of the condensing duct. The siphon preventive unit has a housing(50), a check ball(51), a connection part(52), a partition wall(54), and a plurality of through holes(40,55). The housing is connected to the drain member. The check ball is movably installed in the housing. The connection part is formed in the housing to allow for air flow between the condensing duct and the housing. The partition wall divides a check ball receiving unit. The check ball passes or blocks air flow between the connection part and the check ball receiving unit according to pressure of an inner drain hose. The through holes are formed at the partition wall.

Description

Washing machine

1 is a side cross-sectional view of a washing machine according to an embodiment of the present invention.

Figure 2 is a perspective view of the coupling portion of the condensation duct, siphon prevention portion and drain hose connector according to an embodiment of the present invention.

Figure 3 is a cross-sectional view of the coupling portion of the siphon prevention portion and the drain hose connector according to an embodiment of the present invention.

Figure 4 is a cross-sectional perspective view of the coupling portion of the condensation duct and the siphon prevention portion according to an embodiment of the present invention.

5 is a perspective view for explaining a method of assembling the siphon preventing portion and the drain hose connector according to an embodiment of the present invention.

* Description of symbols on the main parts of the drawings *

4: drain hose connector, 40: first through hole,

41: first projection, 42: second projection,

5: siphon protector, 50: housing,

51: check ball, 52: communication unit,

53: check ball receiving portion, 54: compartment wall,

55: second through hole, 56: sealing,

6: condensation duct, 61: first jamming part,

62: second catching section, 63: third through-hole.

The present invention relates to a washing machine including a configuration in which a siphon prevention portion for preventing the drained washing water from flowing back into the washing tank through the drain hose and a condensation duct for removing moisture contained in the hot air discharged from the water tank during the drying administration. .

The conventional drum washing machine includes a pump for pumping the washing water of the washing tank and the tank to the outside, a drain hose for draining the wash water pumped by the pump to the outside, and a drain hose connector connecting the drain hoses to each other. .

In addition, a drying device may be installed to dry the laundry is completed. The drying apparatus typically includes a drying duct installed on an outer circumferential surface of the tank so as to communicate with the tank, and a blowing fan and a heater disposed inside the air duct. In addition, a condensation duct may be installed to remove the moisture from the air, which has become hot and humid through the laundry, to create dry air.

One end of the condensation duct is connected to the outer surface of the water tank, the other end is connected to the drying duct. The condensation duct is provided with a condensate supply pipe for supplying condensate to condense moisture in the air to remove moisture.

Meanwhile, in such a drum washing machine, a siphon phenomenon may occur in which the washing water inside the water tank is continuously drained when the pump is stopped and additionally supplied through the water supply hose while draining the washing water inside the water tank.

In addition, even when the outside of the drain hose is submerged in water, a siphon phenomenon may occur in which external water flows back into the tank.

Look at the operation of the drum washing machine according to the conventional configuration. When the washing stroke is completed and the drainage stroke is started, the washing water in the tank is discharged through the drain hose by the operation of the pump. At this time, the siphon phenomenon may occur in the process of draining the wash water, in order to prevent this, air is supplied by the siphon prevention hose to reduce the pressure inside the hose.

In addition, when the washing is completed through the washing stroke and the dehydration stroke performed by the rotation of the washing tub may be a drying stroke to dry the laundry by the drying apparatus. In other words, when the blower and heater installed in the drying duct are operated, the low temperature dry air passing through the condensation nozzle passes through the heater to be changed to high temperature dry air, and then is sent to the water tank to pass through the laundry contained in the washing tank to change to high temperature and humid air. do.

The hot and humid air continues to pass through the condensation nozzles and then turns back to cold dry air, which continues the air cycle for a period of time to dry the laundry.

At this time, the condensation duct and the siphon prevention hose are composed of separate components, and are separately assembled in the inner frame or the water tank, thereby lowering productivity and increasing material costs.

The present invention has been made to solve the above-mentioned problems of the prior art, the condensation duct and the siphon prevention unit is configured to solve the problems of productivity and material cost increase caused by separately assembled in the inner frame and the water tank, respectively. It is about.

The present invention has been made to solve the above-mentioned problems of the prior art, the condensation duct and the siphon prevention unit is configured to solve the problems of productivity and material cost increase caused by separately assembled in the inner frame and the water tank, respectively. It is about.

The configuration of the present invention for solving the above technical problem, the main body, a washing tank disposed inside the main body, a drain member for draining the washing water of the washing tank to the outside, and drying to dry the laundry disposed inside the main body Apparatus, a condensation duct for removing the moisture discharged during operation of the drying device, and one side is coupled to the condensation duct and the other side is coupled to the drain member to prevent the siphon phenomenon in the wash water drainage process do.

In addition, the siphon prevention portion includes a configuration configured integrally with the condensation duct.

In addition, the siphon prevention portion and the condensation duct includes a configuration in communication with each other.

In addition, one side of the drain member or the condensation duct is provided with a locking portion, the other side includes a configuration provided with a locking projection.

In addition, the siphon prevention portion, the communication unit is configured to communicate with the housing, coupled to the drain member, the check ball movable in the housing, and the condensation duct and the air inside the housing constituting the appearance; And a partition wall for partitioning a check ball accommodation portion for accommodating the check ball, wherein the partition wall has a hole for opening and closing the air communication between the communication portion and the check ball accommodation portion according to the pressure in the drain hose. It includes this prepared configuration.

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

1 is a side cross-sectional view of a drum washing machine according to an embodiment of the present invention. Figure 2 is a perspective view of the coupling portion of the condensation duct, siphon prevention portion and drain hose connector according to an embodiment of the present invention.

As shown in Fig. 1 and Fig. 2, the present embodiment includes a washing tank 1 containing washing water, a washing tank 2 rotatably disposed inside the tank 1, and a drum washing machine including a drying apparatus. A drain hose connector 4 for connecting the drain hoses 3 to each other, a siphon prevention part 5 connected to the drain hose connector 4 to prevent a siphon action, and the water tank 1 during a drying operation It includes a condensation duct (6) for removing the moisture contained in the hot air discharged from the, the siphon preventing portion 5 and the condensation duct (6) is a drum washing machine in communication with each other.

First, the general structure of the drying apparatus will be described in order to examine the condensation duct 6.

As shown in Figure 1, the drying device is installed to dry the laundry is completed, the drying duct 7 is usually installed on the outer peripheral surface of the water tank 1 so as to communicate with the water tank 1, and this drying duct ( 7) a blowing fan 8 and a heater arranged inside.

In addition, a condensation duct 6 is installed to remove moisture from the air that has become hot and humid through the laundry to make dry air. One end of the condensation duct 6 is connected to the outer surface of the water tank 1, and the other end is connected to the drying duct 7.

The condensation duct 6 is provided with a condensate supply pipe for supplying condensate to condense moisture in the air to remove moisture.

Hereinafter, the drain hose connector 4 will be described in detail with reference to FIGS. 3 to 5.

Figure 3 is a cross-sectional view of the coupling portion of the siphon prevention portion and the drain hose connector according to an embodiment of the present invention. Figure 4 is a cross-sectional perspective view of the coupling portion of the condensation duct and the siphon prevention portion according to an embodiment of the present invention. 5 is a perspective view for explaining a method of assembling the siphon preventing portion and the drain hose connector according to an embodiment of the present invention.

The drain hose connector 4 of the present embodiment is configured in the form of an elbow bent at approximately 90 degrees, and the drain hose 3 may be coupled to both ends. The bent portion may be coupled to the siphon prevention portion 5, the first through-hole 40 is provided that can communicate with the siphon prevention portion (5). The first through hole 40 may be opened and closed by the check ball 51 to be described below.

The siphon prevention part 5 is demonstrated in detail below.

The siphon prevention part 5 includes a housing 50 having a coupling hole coupled to the drain hose connector 4 while forming an appearance, a check ball 51 movable inside the housing, and the housing 50. The partition wall 54 is provided to partition the communication part 52 provided therein and communicates the air inside the housing 50 with the condensation duct 6 and the check ball accommodating part 53 for accommodating the check ball 51. And the check ball 51 blocks the air communication between the communication part 52 and the check ball accommodation part 53 according to the pressure in the drain hose 3. Two through holes 55 are provided.

The housing 50 has a cylinder shape in which a coupling hole to which the drain hose connector 4 is coupled is provided at one side, and the sealing hole is sealed to maintain the airtightness between the drain hose connector 4 and the housing 50 around the coupling hole. 56 is inserted. In this embodiment, the housing 50 is integrally formed with the condensation duct 6.

As shown in FIG. 4, a third through hole 63 is provided at the coupling portion of the communication portion 52 and the condensation duct 6, and the air inside the condensation duct and the communication portion may communicate with each other.

However, an embodiment in which a through hole is provided in the housing 50 so that the communication unit 52 and the communication unit 52 communicate with each other without communicating the communication unit 52 and the condensation duct 6 with each other is also possible.

The partition wall 54 bisects the inside of the housing 50, and one side forms a communication part 52 communicating with the air in the condensation duct 6, and the other side is a space in which the check ball 51 is movable. The check ball receiving portion 53 is formed.

The partition wall 54 is provided with a second through hole 55 that can be opened and closed by the check ball 51 according to the pressure in the drain hose 3.

Instead of the check ball 51 of the siphon prevention part 5, a blocking plate may be provided in the partition wall 54 to prevent the siphon phenomenon by opening or closing the blocking plate according to the pressure in the drain hose.

Hereinafter, the locking projection and the locking portion will be described in detail.

The first catching protrusion 41 and the second catching protrusion 42 are provided on the surface of the drain hose connector 4, and the first catching portion 61 and the second catching portion () are provided on the surface of the condensation duct 6. 62).

The first locking portion 61 is composed of two protrusions protruding at a predetermined distance from the surface of the condensation duct 6, and the drain hose connector 4 is positioned between the two protrusions.

The drain hose connector 4 is inserted into the siphon prevention part 5 and then rotated in a counterclockwise direction. At this time, the first locking projection 41 and the first locking portion 61 are brought into contact with each other by rotation, and the drain hose connector 4 does not fall out of the siphon prevention portion 5 due to the mutual frictional force.

On the other hand, the second locking projection 42 is provided on the surface of the drain hose connector 4 in a predetermined angle range, the second locking portion 62 is the drain hose connector 4 is the siphon prevention portion (5) Being inserted into the second catching protrusion 42.

In addition, as the drain hose connector 4 is rotated, the second catching part 62 is elastically deformed, and the drain hose connector 4 is rotated by a predetermined angle so that a section having the second catching protrusion 42 is formed. When passed, the second catching protrusion 42 is elastically restored to its original form, so that the rotation is prevented by the second catching protrusion 42 even if the drain hose connector 4 acts in the opposite direction. It is shut off to show a firm bond.

Hereinafter, the assembly process of the embodiment according to the present invention will be described in detail with reference to FIGS.

First, the check ball 51 is inserted into the check ball accommodating portion 53, the seal 56 is engaged with the groove around the coupling hole, and then the drain hose connector 4 is inserted into the coupling hole and counterclockwise. Rotate Accordingly, the first catching protrusion 41 on the surface of the drain hose connector 4 is caught by the first catching portion 61 on the surface of the condensation duct 6 and is fixed so as not to be pulled out.

On the other hand, the second locking portion 62 is elastically deformed according to the rotation, and after the section in which the second locking protrusion 42 is formed is restored to its original state, even if the rotational force is applied clockwise, the second locking protrusion 42 is applied. Is caught by the second locking portion 62 to prevent rotation.

By such a configuration, a firm coupling force is exerted, and a separate bolt coupling means is unnecessary, thereby improving productivity and reducing material costs.

Hereinafter, the effect of the embodiment of the present invention will be described in detail with reference to FIGS.

The contaminated wash water is drained to the outside through the drain hose 3 during the drainage stroke. At this time, the water pressure inside the drain hose 3 is increased, and accordingly, the water pressure inside the check ball accommodating part 53 communicated with the inside of the drain hose 3 by the first through hole 40 is also increased. 51 moves toward the partition wall 54, and the air of the check ball accommodation portion 53 is discharged to the condensation duct 6 through the second through hole 55 and the communication portion 52.

Subsequently, as the check ball 51 closes the second through hole 55, the washing water is discharged to the outside along the drain hose 3 without being discharged to the condensation duct 6.

On the other hand, in the case of a pause in the drainage row or when the outside of the drain hose is immersed in water, the check ball 51 is removed because the washing water staying in the drain hose connector 4 does not push the check ball 51. It is located between the first through hole 40 and the second through hole 55.

Accordingly, since the air in the condensation duct 6 is supplied into the drain hose 3 through the second through hole 55 and the communication part 52, the siphon phenomenon does not occur. Therefore, the washing water in the drain hose 3 can be prevented from continuously draining or refluxing.

According to the configuration of the present invention described above, the condensation duct and the siphon prevention portion do not need to be produced as separate components or separately assembled, so that the labor can be reduced, thereby improving productivity and reducing costs.

Claims (5)

With the body, A washing tank disposed inside the main body, A drain member for draining the washing water of the washing tank to the outside; A drying apparatus disposed inside the main body to dry laundry; A condensation duct for removing moisture discharged during operation of the drying apparatus; One side is coupled to the condensation duct and the other side is coupled to the drain member includes a siphon prevention unit for preventing the siphon phenomenon in the washing water drainage process, washer. The method of claim 1, The siphon prevention unit is configured integrally with the condensation duct, washer. The method of claim 2, The siphon preventing portion and the condensation duct is in communication with each other, washer. The method of claim 3, One side of the drain member or the condensation duct is provided with a locking portion, the other side is provided with a locking projection, washer. The method according to any one of claims 1 to 4, The siphon prevention unit, A housing coupled to the drain member while constructing an appearance; A check ball movable within the housing, A partition wall provided inside the housing to define a communication part for communicating the condensation duct and air in the housing and a check ball accommodation part for receiving the check ball, The partition wall is provided with a through hole so that the check ball opens and closes the air communication between the communication part and the check ball accommodation part according to the pressure in the drain hose. washer.

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