KR20070107952A - A washing machine - Google Patents

Abstract

A washing machine is provided to reduce water consumption by reusing a part of water and to reinforce strength of a dehydration tub by installing an embedded member in the dehydration tub. A washing machine comprises a dehydration tub(12), an embedded member(30), and a fixing member(33). The embedded member is installed in the dehydration tub. The fixing member is installed at an endostyle surface of the dehydration tub to fix the embedded member. The fixing member is formed along a lower endostyle surface of the dehydration tub. The fixing unit is extended from the endostyle surface of the dehydration tub to the upwards. The fixing unit is separated at predetermined distance from the endostyle surface of the dehydration tub to allow the embedded member to be fitted between the endostyle surface of the dehydration tub and an upper extension unit.

Description

Washing machine {A washing machine}

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

FIG. 2 is an enlarged view of portion A of FIG. 1.

3 is an exploded perspective view of the fixing tank and the dehydration tank according to the present invention.

4 is an exploded perspective view of the dehydration tank according to the present invention.

5 is a cross-sectional view taken along line BB ′ of FIG. 1.

Figure 6 is a side cross-sectional view showing that the washing water is discharged to the outside in the washing machine according to the present invention.

Figure 7 is a side cross-sectional view showing that the rinsing water is circulated in the washing machine according to the present invention.

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

9: fixed bath 12: dehydration tank

30: internal member 31: inserting portion

33: fixing member 60: flange shaft

66: wash water guide 90: drainage

103: guide pipe

The present invention relates to a washing machine, and more particularly, to reduce the amount of washing water used by circulating rinsing water used during rinsing during the washing process, while reinforcing the strength of the dehydrating tank and making the configuration inside the dehydrating tank beautiful. It is about.

A washing machine is a household appliance that washes contaminated laundry using detergent and washing water. The operation method of the washing machine is a washing process of washing various contaminants in laundry by mixing detergent and washing water, and rinsing to wash the laundry. Process and dehydration process to remove the water seeping into the laundry.

Looking at the structure of the washing machine, the main body to form the exterior, the fixed tank is installed inside the main body, the rotating shaft for driving the dehydration tank and the dewatering tank installed in the interior of the fixed tank, and the rotating motor for imparting a driving force to the rotating shaft, One side of the fixing tank is provided with a discharge device for discharging the wash water to the outside.

At this time, the dehydration tank is generally made of plastic material, and there is a possibility that the inside of the dehydration tank may be damaged when a hard object is introduced into it and collides with the inner wall of the dehydration tank. There is a problem that lack of consideration for the aesthetics of consumers because it is composed of crude colors.

In addition, in the conventional washing machine, since dehydration holes are formed over the entire outer circumferential surface of the dehydration tank, water is accumulated in both the dehydration hole and the fixed tank when the wash water flows in. In general, the entire washing process takes place in the dehydration tank. In this case, there is a problem that the wash water accommodated between the fixed tank and the dehydration tank becomes unnecessary, and the wash water is wasted as much as that portion.

In addition, the rinsing process of the laundry is generally performed 3 to 5 times. When the rinsing process is completed every time, the used rinsing water is discharged to the outside, and the new rinsing water is rinsed again and rinsing each time. Since the process of using and discarding the water was repeated, the consumption of the rinsing water was inevitably increased, resulting in a large burden on water consumption.

An object of the present invention is to provide a washing machine that can reinforce the strength of the dehydration tank and at the same time enhance the consumer's aesthetics of the dehydration tank internal structure.

In addition, another object of the present invention is to provide a washing machine that can prevent the waste of water by reducing the amount of washing and the amount of rinsing water unnecessary during the washing and rinsing process.

The present invention for achieving the above object, the dehydration tank; An interior member installed on the inner surface of the dehydration tank; The washing machine comprises a fixing member provided on the inner circumferential surface of the dehydration tank so that the built-in member can be fixed.

Here, the fixing member is formed along the inner peripheral surface of the dehydration tank lower,

The fixing member extends upward from the inner circumferential surface of the dehydration tank, and the fixing member is spaced apart from the inner circumferential surface of the dehydration tank by a predetermined distance so that the internal member can be fitted between the inner circumferential surface of the dehydration tank and the upper extension part. .

In addition, the dehydration tank is made of a plastic material, the interior member is characterized in that consisting of stainless steel material.

The fixing member may include a first protrusion and a first recess, and the first protrusion and the first recess may be alternately disposed, and an insertion portion may be formed at a lower end of the interior member, and the insertion portion may have a second insertion portion. And a second protrusion and a second recess, wherein the second protrusion and the second recess are alternately arranged, wherein the second protrusion is fitted in contact with the first protrusion, and the second recess is fitted with the second protrusion. It is characterized in that the fitting is in contact with the first recess.

And, the washing machine according to the present invention, the dehydration hole formed on the upper outer peripheral surface of the dehydration tank; Fixed tank for receiving the dehydration tank; A washing water guide tube disposed between the dehydration tank and the fixing tank to guide water stored in the dehydration tank to the outside of the dehydration tank and the fixing tank; It further comprises a drainage device connected to the wash water guide tube and installed in the bottom of the fixing tank, the drainage device comprises a discharge unit for discharging the water to the outside, and a circulation unit for returning the water back to the fixed tank It is done.

In addition, the flange shaft is installed between the lower portion of the dehydration tank and the wash water guide tube and the dehydration hole formed; It is characterized in that it further comprises a sealing member provided between the flange shaft and the wash water guide tube to prevent leakage.

The discharge unit may include a first drain port for guiding discharge of the water contained in the drainage device to the outside of the washing machine, and a drain valve for controlling the movement of the water toward the first drain port.

The circulation unit may include a circulation pump and a second drain hole through which water moved by the circulation pump is discharged, and the guide pipe for guiding the movement of water to the fixing tank is coupled to the second drain hole.

The drainage apparatus may include a first inlet connected to the wash water guide tube and a second inlet communicating with a natural drain formed on a lower surface of the fixing tank, wherein the second inlet communicates with the first drain. It features.

Hereinafter, with reference to the accompanying drawings will be described for the preferred embodiment of the present invention.

As shown in FIG. 1, the washing machine according to the present invention includes a main body 1, an upper cover 3 installed on an upper portion of the main body, and a cover door 6 foldably installed on the upper cover. Form the appearance.

The main body is provided with a fixing tank (9), a dehydration tank (12) rotatably installed in the fixing tank (9), the lower portion of the dehydration tank is provided with a rotating shaft (15), one end of the rotating shaft The first rotational pulley 18 is installed in the portion.

A rotating motor 21 is installed below the fixing tank 9, and a second rotating pulley 24 is installed at one end of the motor shaft of the rotating motor, and the second rotating pulley 24 is a belt 27. The second rotary pulley 24 is rotated when the rotary motor 21 is driven by the first rotary pulley 18, and the rotational movement is controlled by the belt 27. The rotary shaft 15 is rotated so that the dehydration tank 12 is rotated while being transmitted to the first rotation pulley 18.

Here, the dehydration tank 12 is preferably made of a plastic material, the interior member 30 for reinforcing the strength of the dehydration tank 12 is installed in the dehydration tank 12, which is the dehydration tank The inner circumferential surface of (12) is brought into surface contact.

In addition, a fixing member 33 is provided at a lower portion of the dehydration tank 12 to fix the lower portion of the built-in member 30, and the fixing member 33 defines a lower inner circumferential surface of the dehydration tank 12. Therefore, in this case, the fixing member 33 is extended in a shape protruding upward from the inner peripheral surface of the dehydration tank 12 by a predetermined length, the fixing member so that the lower portion of the interior member 30 can be inserted (33) is preferably spaced apart from the inner peripheral surface of the dehydration tank 12 by a predetermined interval.

In addition, a lower dehydration tank 10 is provided below the fixing member 33 to be joined to the dehydration tank 12.

The upper part of the dehydration tank 12 is provided with a balance 36 to fix the shape of the dehydration tank 12 and to form a posture balance when rotating, the inner cross section of the balance 36 is of an annular shape filled with water It is formed in the shape of a tube and is installed around the inlet of the dehydration tank (12).

At this time, the upper portion of the dehydration tank 12, the upper portion of the interior member 30, the lower portion of the balance 36 is preferably coupled to the screw fixed.

In addition, a first dehydration hole 12a and a second dehydration hole 30a are formed at an upper portion of the dehydration tank 12 and the interior member 30, respectively, which is washed into the dehydration tank 12. Considering that the water level of the water or the rinsing water is formed at the lower portions of the first and second dehydration holes 12a and 30a, the washing water or the rinsing water does not flow into the fixing tank 9 during the washing or rinsing process. To do this.

However, most of the water flows to the lower part of the dewatering tank 12 when the dewatering tank 12 is rotated at a high speed during operation of the dewatering course. After passing through the two dehydration holes (12a, 30a), the fixed tank (9), after passing through the natural drain (9b) formed in the lower portion of the fixed tank (9) after flowing into the drainage device (90) It is discharged to the outside.

Meanwhile, a flange shaft 60 having a dehydration hole (not shown) is installed below the dehydration tank 12, and a washing water guide tube 66 is installed below the flange shaft 60. An inlet 66a through which water is introduced into the guide tube 66 is installed close to the flange shaft 60, and an inlet rib 66b extending upward is formed around the inlet 66a.

Meanwhile, a sealing member 69 (see FIG. 2) is provided between the flange shaft 60 and the inlet port 66a of the wash water guide tube 66 to prevent water leakage. The lower portion of the flange shaft 60 is provided. A support rib 60c (see FIG. 2) is formed to support the sealing member 69.

At this time, the flange shaft 60 is screwed to the lower surface of the dehydration tank 12 to be rotated in accordance with the rotation of the dehydration tank 12.

However, since the wash water guide tube 66 is fixedly coupled to the lower surface of the fixing tank 9, the wash water guide tube 66 is fixed without rotation.

Therefore, the wash water guide tube should be spaced apart from the Fancy Shaft 60 so as not to interfere with the movement of the flange shaft 60, and if the two are spaced apart, passing through the flange shaft 60 Since a leak problem such as washing water occurs, the sealing member 69 is provided to fill the space.

On the other hand, the washing water guide pipe 66 is provided with a drain port 66c, the drain hole (66c) passes through the lower portion of the fixing tank (9), in that state is installed in the lower portion of the fixing tank (9) Connected to the device 90.

The drainage device 90 includes a first inlet 90a connected to the drain 66c of the wash water guide tube, and a second inlet 90b connected to the natural drain 9b. 90a) or a discharge part 91 for discharging the wash water introduced through the second inlet 90b to the outside of the washing machine, and a circulation part 92 for returning part of the wash water back to the fixing tank 9. ).

The discharge portion 91 is provided with a first drain port 91a formed at the lower portion of the drainage device, and a drain valve 91b for controlling the movement of the wash water to the drain port, and the first drain port 91a. By the drain pipe 100 is connected, the contaminated wash water is taken out of the drain pipe 100 to the outside.

On the other hand, the circulation part 92 has a circulation pump (92a) for pumping the washing water to be raised to the fixing tank (9), and the second drain port (92b) for discharging the washing water received by the circulation pump Is provided, and the guide pipe 103 is connected to the second drain (92b), the guide pipe is connected to the upper portion of the fixing tank (9).

The upper part of the fixing tank (9) is provided with a pipe fixing member (40) for fixing the guide pipe (103), one end of the pipe fixing member (40) is guided from the guide pipe (103) An outlet tube 40a for discharging the wash water back into the fixing tank 9 is formed.

As shown in FIG. 2, the rotation shaft 15 penetrates through the center of the flange shaft 60, and a discharge hole 60b is formed around the rotation shaft 15 through which washing water is discharged.

In addition, a locking jaw (60a) is formed on the upper surface of the flange shaft 60, the locking jaw (60a) is to install an annular first leakage preventing member 61 for preventing the leakage of the wash water. The first leakage preventing member 61 is to prevent leakage of the coupling portion when the flange shaft 60 and the lower dewatering tank 10 are coupled to each other.

That is, the center of the flange shaft 60 protrudes convexly upward, so that when the flange shaft 60 is installed in the lower dewatering tank 10, the center of the flange shaft 60 is inserted into the lower dewatering tank 10. In this case, the first leakage preventing member 61 is installed to prevent leakage toward the circumference of the center of the flange shaft 60, and the fixing of the first leakage preventing member 61 is fixed. In order to form the locking step (60a).

In addition, the support rib 60c of the lower surface of the flange shaft 60 is bent at an end thereof and extends in the rim direction of the flange shaft 60. The side end surface of the sealing member 69 is " Since it is formed in the shape of "c", the inner surface of the sealing member 69 is to be caught on the end of the support rib (60c).

In addition, the outer circumferential surface of the sealing member 69 is in contact with the inlet rib 66b of the wash water guide tube 66 while the sealing member 69 is caught by the support rib 60c. Prevent the wash water located on the 66b) from leaking outside.

Since the sealing member 60 is made of a material having high strength such as silicon, which is not damaged even by the frictional force caused by rotation, and the lubricant is coated on the outer circumferential surface thereof, the flange shaft 60 is in contact with the wash water guide tube. The rotation with 60) does not cause problems such as damage caused by friction and water leakage.

As shown in Figure 3, the flange shaft 60 is installed on the lower surface of the lower dewatering tank 10, the screw hole (60d) is formed in the edge portion of the flange shaft 60, the screw hole Since the installation screw 62 is provided to be installed at 60d, the mounting screw 62 is coupled to the lower surface of the lower dewatering tank 10 after passing through the mounting screw 62 or the screw hole 60d.

As described above, the sealing member 69 and the wash water guide tube 66 are installed below the flange shaft 60, and the wash water guide tube 66 is the fixing tank 9. It is coupled to be fixed to the bottom of the.

At this time, the drain port 66c of the wash water guide tube 66 extends to the lower surface of the wash water guide tube 66 and passes through the through hole 9c formed on the lower surface of the fixing tank 9 to allow the drainage device ( It is connected to the first inlet 90a of 90.

On the other hand, the natural drain (9b) is connected to the second inlet (90b), the residual water in the fixing tank (9) passed through the natural drain (9b) flows into the drain device (90) Allow it to be discharged to the outside.

In addition, the second inlet (90b) is in direct communication with the first drain (91a) of the drainage device, the first drain (91a) is connected to the drain pipe 100, the second drain (92b) ) Is connected to the guide pipe 103.

Accordingly, the water remaining in the fixing tank 9 is drained to the natural drain 9b, moves to the second inlet 90b, and then passes through the first drain 91a to pass through the drain pipe 100. It is discharged to the outside of the washing machine under the guidance of.

Meanwhile, the rotating shaft 15 penetrates through the fixing tank 9, the washing water guide tube 66, the flange shaft 60, and the lower dewatering tank 10 to wash laundry rod 13 and It is combined with the washing blade (14).

In this case, a second leakage preventing member 70 is installed below the washing water guide tube 66 to prevent leakage by surrounding a portion through which the rotating shaft 15 passes.

As shown in FIG. 4, a first dehydration hole 12a is formed at an upper portion of the dehydration tank 9, and a fixing member 33 is formed at a lower inner surface thereof, wherein the fixing member 33 is dewatered. It is arranged continuously along the inner circumferential surface of the tank 9.

The fixing member 33 has a first recess 33a and a first protrusion 33b, and the first recess 33a and the first protrusion 33b are alternately installed. The first protrusion 33b is spaced apart from the inner wall of the dehydration tank 12 by a predetermined interval, and the interior member 30 is inserted into and fixed to the spaced apart portion.

The interior member 30 is formed of a stainless steel cylinder, the upper portion of the interior member 30 is formed with a second dehydration hole (30a) is provided to communicate with the first dehydration hole (12a).

And the lower portion of the inner member 30 is formed with a gear tooth-shaped insertion portion 31, the insertion portion 31 is to process the lower end of the inner member 30 by a press or the like, which is the second li It consists of the set part 31a and the 2nd protrusion part 31b, and these are formed alternately, respectively.

On the other hand, the lower dehydration tank 10 is coupled to the lower portion of the dehydration tank 12, in this case, it is preferable that the combination is made through a seaming process.

However, it may be considered that the dehydration tank 12 and the lower dehydration tank 10 are integrally formed.

As described above, the balance 36 is installed around the inlet of the dehydration tank 12 and the built-in member 30, in which each of them is coupled by a coupling screw 16.

5 is a cross-sectional view of the portion B-B 'of FIG. 1, the dehydration tank 12 is disposed at the outermost side, the interior member 30 is provided inside the dehydration tank 12, The fixing member 33 is provided inside the interior member 30.

At this time, the first protrusion 33b of the fixing member 33 is coupled with the second protrusion 31b of the internal member 30, and the first recess 33a of the fixing member 33 is It is coupled to the second recess 31a of the built-in member 30.

Therefore, since the built-in member 30 is fixed to the inner wall of the dehydration tank 12 by such a combination, there is no need for a separate fixing device such as a screw.

Hereinafter, the operation of the washing machine according to the present invention will be described.

As disclosed in FIG. 1, in order to wash the laundry, only the washing water is accommodated in the dehydration tank 12, and a part of the washing water entering the dehydration tank 12 descends through a drain hole formed in the flange shaft 60. The water guide pipe 66 and the inside of the drainage 90 is filled.

At this time, since the drain valve 91b blocks the second outlet 91a and the circulation pump 92a is also not operated, the wash water does not flow out of the drainage device 90 to the outside.

Thereafter, after the washing process is completed, the contaminated washing water should be discharged to the outside. In this case, as the drain valve 91b is moved backward, the second outlet 91a is opened, as shown in FIG. Accordingly, the washing water is discharged to the second discharge port 91a while being guided by the discharge pipe 100 to exit to the outside.

In performing the rinsing process after the washing process, in order to circulate the rinsing water, as shown in FIG. 7, the drain valve 91b is advanced to close the second outlet 91a again.

In addition, the circulation pump 92a operates to discharge the rinsing water to the first discharge port 92b to move to the guide pipe 103, and the rinsing water subjected to the rising pressure by the circulation pump 92a. After the movement along the guide pipe 103 is dropped through the pipe holding member 40 and the outlet pipe 40a back into the dehydration tank 12.

Then, when the dehydration tank 12 is rotated, most of the water permeated to the laundry moves to the lower portion of the dehydration tank 12 to receive the guide of the wash water guide tube 66 and the drainage device ( Go to 90).

When the drain valve 91b is retracted and the first drain hole 91a is opened, the drain valve 91b is discharged to the outside of the washing machine under the guidance of the imaginary drain pipe 100.

On the other hand, when the dewatering tank 12 rotates, a portion of the dewatered water moves to the upper portion of the dewatering tank 12 by centrifugal force and passes through the first and second dehydrating holes 12a and 30a. 9) It will fall inside.

The water dropped into the fixing tank (9) is moved to the natural drain (9b) to the second inlet (90b) and the first drain (91a) after receiving the guide of the drain pipe 100 It is discharged out of the washing machine.

By the present invention as described above, by supplementing the strength of the dehydration tank by installing a separate interior member in the dehydration tank, the interior member made of a metal member such as stainless steel can be seen from the outside to induce aesthetics to consumers There is an advantage.

In particular, when a sharp metal member or the like enters the inside of the dewatering tank and rotates, scratches may be formed in the dewatering tank, but such defects may be prevented from occurring by the internal member.

In addition, it is possible to save the amount of wash water and rinsing water corresponding to the difference between the fixed tank capacity and the dewatering tank capacity by being accommodated only in the dehydration tank and not in the fixed bath.

In addition, since a separate circulating pump is provided in the drainage device and the guide pipe is connected to the drainage device, the rinsing process can be performed while circulating the rinsing water, so that the rinsing water can be saved. There is an effect that can at least prevent the economic loss to use.

Claims (9)

A dehydration tank; An interior member installed on the inner surface of the dehydration tank; Washing machine comprising a fixing member provided on the inner peripheral surface of the dehydration tank so that the built-in member can be fixed. The method of claim 1, The fixing member is formed along the inner peripheral surface of the lower dehydration tank, The fixing member extends upwardly from the inner circumferential surface of the dehydration tank, and the fixing member is spaced apart from the inner circumferential surface of the dehydration tank by a predetermined distance so that the internal member can be fitted between the inner circumferential surface of the dehydration tank and the upper extension part. washer. The method of claim 1, The dewatering tank is made of a plastic material, the interior member is a washing machine, characterized in that made of stainless steel. The method of claim 2, The fixing member includes a first protrusion and a first recess, and the first protrusion and the first recess are alternately arranged. An insertion part is formed at a lower end of the interior member, and the insertion part includes a second protrusion part and a second recess part, and the second protrusion part and the second recess part are alternately arranged. And the second protrusion is fitted in contact with the first protrusion, and the second recess is fitted in contact with the first recess. The method of claim 1, A dehydration hole formed on an upper outer circumferential surface of the dehydration tank; A fixed tank accommodating the dehydration tank; A washing water guide tube disposed between the dehydration tank and the fixing tank to guide water stored in the dehydration tank to the outside of the dehydration tank and the fixing tank; It further comprises a drainage device connected to the wash water guide tube and installed in the lower fixing tank, The drainage device is a washing machine, characterized in that it comprises a discharge portion for discharging the water to the outside, and a circulation portion for returning the water back to the fixed tank. The method of claim 5, A flange shaft installed between a lower portion of the dehydration tank and the wash water guide tube and having a dewatering hole; Washing machine further comprises a sealing member provided between the flange shaft and the wash water guide tube to prevent leakage. The method of claim 5, The discharge unit comprises a first drain port for guiding to discharge the water contained in the drain to the outside of the washing machine, and a drain valve for controlling the movement of the water toward the first drain port. The method of claim 5, The circulation unit includes a circulation pump and a second drain hole through which water moved by the circulation pump is discharged. Washing machine, characterized in that the guide pipe for guiding the movement of the water to the fixing tank is coupled to the second drain. The method of claim 7, wherein The drainage device includes a first inlet connected to the wash water guide tube and a second inlet communicating with a natural drain formed on a lower surface of the fixing tank, wherein the second inlet communicates with the first drain. Washing machine.

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