KR0136087Y1 - The pressure removal apparatus with a washing machine - Google Patents

Abstract

The present invention relates to a drum washing machine in which a washing tank is disposed in a transverse direction to perform a washing function, in particular, an outer tank, a washing tank, a door, a motor mounted on the lower side of the outer tank, and cold water and hot water inside the outer tank. In the drum washing machine consisting of a cold water supply valve and a hot water supply valve for supplying water, and a drain pump for draining the water used for washing, preventing the pressure rise of the outer tank and allowing the foam to flow out. A vent hole drilled in the upper portion, a connection hose having one end connected to the vent hole, and the other end of the connection hose connected to each other so that the foam flows out through the vent hole and prevents an increase in pressure of the outer tub; The U-shaped bubbles are generally discharged to the outside and at the same time to communicate with the outer tank to prevent the pressure rise of the outer tank, generally U-shaped It is formed in a shape, and the upper part of the connecting pipe hanger protrudes so as to be hooked to the hook protruding from the washing machine body, one side of the first through-hole protrudes in a transverse direction so that the other end of the connecting hose is connected to the inside, the first cylinder The present invention relates to a drum washing machine having a pressure removing device made of a drain hose connection pipe formed with a partition so that bubbles discharged through pores do not flow back to the drain pump side. Not only can this be done, but the internal pressure of the tank can be prevented from rising, preventing malfunction of the equipment.

Description

Drum Washing Machine with Pressure Relief

The present invention relates to a drum washing machine in which the washing tank is disposed in the transverse direction to perform the washing function, and in particular, the washing machine malfunctions by preventing the internal pressure increase of the outer tank from being discharged and at the same time, the foam generated in the outer tank is discharged to the outside. The present invention relates to a drum washing machine having a pressure removing device that can improve the reliability of the product by preventing the damage.

In general, a drum washing machine is a washing machine widely used in Europe, etc., and a washing tank in which laundry is loaded is arranged in a transverse direction.

That is, a general drum washing machine, as shown in FIG. 1, includes an outer tub called a normal tub, a washing tub 4 installed laterally inside the outer tub 3 to accommodate laundry, and the washing tub ( 4) the door (6) for opening and closing the outer tub (3) to store or withdraw the laundry into the interior, and generates power to wash the laundry after closing the outer tub (3) by the door (6) And a motor (8) mounted on the lower side of the outer tank (3), a cold water supply valve (10) and a hot water supply valve (12) for supplying cold water and hot water into the outer tank (3), and used for washing. Drain pump 14 for draining the waste water, a detergent container 16 for storing the detergent to be supplied into the outer tank (3), and the detergent container so that the detergent of the detergent container 16 is introduced into the outer tank (3) 16 and detergent input hose 18 connected to the outer tub 3, and an operation unit for controlling the washing operation (1) 7) and so on.

In such a general drum washing machine, when the laundry is put into the washing tank 4 and the door 3 is closed, and the operation unit 17 is operated, the cold water supply valve 10 and hot water An appropriate amount of washing water is supplied to the outer tub 3 through a water supply valve 12 to perform washing.

However, such a drum washing machine washes the laundry by rotating the washing tank 4 while the outer tank 3 is closed by the door 6, thereby washing the laundry. Will increase the internal pressure.

In addition, when the internal pressure of the outer tank 3 rises, parts such as a pressure switch for detecting a water level may malfunction, and of course, washing may not be performed smoothly, and excessive foam is generated inside the outer tank 3. If there is a fear that the foam will flow back into the detergent container through the detergent injection hose (18).

That is, the conventional drum type washing machine is not provided with a separate device for reducing the pressure of the outer tank, the malfunction of the outer tank frequently occurs during washing, as well as foam may flow back into the detergent container, etc. There were various problems.

The present invention has been made in view of the above-described problems, and the object of the present invention is to prevent the pressure rise inside the tub during washing and to allow the foam to be discharged to the outside, thereby preventing the backflow of the foam into the detergent container, thereby increasing the reliability of the product. To provide a drum washing machine having a pressure removing device that can further improve.

In order to achieve the above object, a drum washing machine equipped with a pressure removing device according to the present invention includes an outer tub, a washing tub installed laterally inside the outer tub and storing laundry, and storing the laundry into the washing tub or A door that opens and closes the outer tank to draw out, generates a power to wash the laundry after closing the outer tank by the door, and supplies cold water and hot water to the inside of the outer tank, and generates a power to wash the laundry. Drum washing machine comprising a cold water supply valve and a hot water supply valve, a drain pump for draining water used for washing, and first and second drain hoses for guiding the wash water drained by the drain pump to the outside. To; A ventilation hole drilled in the upper part of the outer tank to prevent the pressure rise of the outer tank and at the same time the bubble flows out of the outer tank; A connection hose having one end connected to the ventilation hole to guide the flow of the foam so that the foam passing through the ventilation hole flows out of the outer tub and to prevent the pressure rise of the outer tub; The other end of the connection hose is connected to form a generally U-shaped, so that the bubble guided to the connection hose is discharged to the outside of the outer tub and at the same time communicates the atmosphere and the outer tub to prevent the pressure rise of the outer tub, The connecting pipe hook portion protrudes so as to be hooked to the hook protruding from the washing machine body on the upper side, and the first vent hole protrudes in a horizontal direction so that the other end of the connection hose is connected to one side thereof, and is discharged through the first vent hole inside. Characterized in that it consists of a drain hose connection pipe formed with a partition so that the foam does not flow back to the drain pump side.

According to the drum washing machine equipped with the pressure removing device according to the present invention, it is possible to prevent bubbles from flowing back into the detergent container by discharging the bubbles generated in the outer tank at the time of washing, as well as the internal pressure rise of the outer tank. This prevents malfunction of the equipment.

1 is a perspective view schematically showing the configuration of a general drum washing machine.

Figure 2 is a perspective view schematically showing the main part of the drum washing machine equipped with a pressure relief device applied to the present invention.

Figure 3 is a cross-sectional view and side view of the drain hose connection pipe applied to the present invention.

Figure 4 is a state diagram showing a state in which the drain hose connection pipe is applied to the present invention is installed.

Figure 5 is a perspective view showing a part of the drain hose connection pipe applied to the present invention.

* Explanation of symbols for main parts of the drawings

3: outer tank 3A: ventilator

4: washing tank 6: door

8: motor 10: cold water supply valve

12: hot water supply valve 14: drainage pump

16: detergent container 18: detergent injection hose

20A: First drain hose 20B: Second drain hose

23: drain hose connector 23A: the first vent

23B: partition 23C: second vent

23D: connector hanger 24: connection hose

Hereinafter, with reference to the accompanying drawings an embodiment of a drum washing machine having a pressure removing device according to the present invention will be described in detail.

Figure 2 is a perspective view schematically showing the main part of the drum washing machine equipped with a pressure relief device applied to the present invention, Figure 3 is a cross-sectional view and side view of the drain hose connection pipe applied to the present invention, Figure 4 5 is a state diagram showing a state in which the drain hose connecting pipe is applied to the present invention is installed, part 5 is a perspective view showing a part of the drain hose connecting pipe applied to the present invention, the same function as the first part is the same reference numeral And omit the description.

2 to 5, a vent hole 3A is formed in the upper portion of the outer tub 3 so as to prevent the pressure rise of the outer tub 3 during washing and to foam bubbles.

In addition, one end of the connection hose 24 is connected to the vent hole 3A to guide the flow of bubbles flowing out through the vent hole 3A and to prevent the pressure rise of the outer tub 3. .

In addition, (23) is connected to the other end of the connection hose 24 to allow the bubble guided to the connection hose 24 to be discharged to the outside and at the same time communicate the atmosphere and the outer tank (3) the outer tank (3) Drain hose connecting pipe to prevent the pressure rise of the U-shaped generally.

In addition, the drain hose connecting pipe 23 is preferably fixed to a position higher than the central axis of rotation of the outer tub (3).

In addition, the drain hose connecting pipe 23 is projected on the hook hook portion (23D) protrudes so as to be hooked to the hook (not shown) protruding from the washing machine body, the other side is connected to the other end of the connection hose 24 The first vent hole 23A protrudes in the direction, and a partition 23B is formed therein so that bubbles discharged through the first vent hole 23A do not flow back to the drain pump 14 side.

Further, a first drain hose 20A connected to the drain pump 14 is connected to one end of the drain hose connecting pipe 23, and a second drain hose 20B connected to the atmosphere is connected to the other end.

In addition, the drain hose connecting pipe 23 has a second vent hole 23C in communication with the atmosphere so that the interior of the drain hose connecting pipe 23 does not become a vacuum when water is filled in the second drain hose 20B. ) Is formed.

That is, the drain hose connecting pipe 23 is formed with a first vent hole 23A, a second vent hole 23C, a partition 23B, and a connector tube part 23D, and the first vent hole. The other end of the connecting hose 24 through which bubbles guide outflow is connected to 23A.

Therefore, the foam flowing out through the vent hole 3A of the outer tub 3 is guided to the connection hose 24 and flows into the first vent hole 23A, and the first vent hole 23A is opened. The bubbles that pass through are discharged to the outside through the second drain hose 20B without being flowed back into the first drain hose 20A by the partition 23B.

Next, the operation and effect of the drum washing machine equipped with the pressure relief device according to the present invention configured as described above.

First, when the laundry is put into the washing tank 4 and the door 3 is closed and the outer tank 3 is closed, and the operation unit 17 is operated, the cold water supply valve 10 and the hot water supply valve 12 are operated. The appropriate amount of washing water is supplied to the outer tub 3 through) to perform the washing.

When washing in this way, a large amount of foam is generated inside the outer tub 3, and the foam is connected to the connection hose 24 through the vent hole 3A drilled on the upper tub 3. And the foam flowing out of the connection hose 24 flows into the drain hose connecting pipe 23.

In addition, the foam discharged to the drain hose connecting pipe 23 is guided to the first drain hose 20A by a partition 23B formed in the drain hose connecting pipe 23 to provide the drain pump 14. It is easily guided to the second drain hose 20B and discharged to the outside without being flowed back.

In addition, even if a part of the second drain hose 20B is blocked, the inside of the drain hose connecting pipe 23 is in communication with the atmosphere by the second vent hole 23C, so that the inside thereof becomes a vacuum state. Bubbles are more easily discharged to the outside.

On the other hand, the outer tank (3) is in communication with the atmosphere by the connecting hose 24, the drain hose connecting pipe 23 and the second drain hose (20B), there is no increase in the pressure therein due to the pressure rise Malfunctions of the device are prevented.

As described above, according to the drum washing machine equipped with the pressure removing device according to the present invention, the foam generated in the outer tub during washing can be easily discharged to the outside, and the malfunction of the apparatus is prevented by preventing the inner pressure rise of the outer tub. There is a very practical effect that can be prevented in advance.

Claims (2)

The outer tub 3, the washing tub 4 installed in the transverse direction inside the outer tub 3 to store laundry, and the outer tub 3 for storing or withdrawing laundry into the washing tub 4; A door (6) for opening and closing, a motor (8) mounted on the lower side of the outer tub (3) by generating power to wash the laundry after closing the outer tub (3) by the door (6); Cold water supply valve 10 and hot water supply valve 12 for supplying cold water and hot water into the outer tank 3, a drain pump 14 for draining the water used for washing, and the drain pump 14 In the drum washing machine consisting of the first and second drain hose (20A) (20B) for guiding the wash water drained by the) to the outside; A ventilation hole (3A) perforated in the upper portion of the outer tub (3) so as to prevent the pressure rise of the outer tub (3) and at the same time the bubble flows out of the outer tub (30); One end is connected to the vent hole 3A to guide the flow of the foam so that the bubble passing through the vent hole 3A flows out of the outer tank 3 and prevent the pressure rise of the outer tank 3. Connected hose 24; The other end of the connection hose 24 is connected to allow the bubble guided by the connection hose 24 to be discharged to the outside of the outer tub 3, and at the same time to communicate the atmosphere and the outer tub 3 to the outer tub 3 In order to prevent the pressure rise of the generally formed in a U-shape, the upper portion of the connecting pipe hook portion 23D protrudes so as to be hooked to the hook protruding from the washing machine body, the other end of the connection hose 24 is connected to A first hose 23A protrudes in the horizontal direction, and a drain hose connection formed with a partition 23B therein so that bubbles discharged through the first vent 23A do not flow back to the drain pump 14. Drum washing machine having a pressure removing device, characterized in that consisting of a tube (23). The drain hose connecting pipe (23) is characterized in that the second vent hole (23C) in communication with the atmosphere is formed so that the interior of the drain hose connecting pipe (23) does not become a vacuum state. Drum washing machine with a pressure relief device.