KR100392394B1 - Apparatus for filtering alien substance and naps in drum-type washing machine - Google Patents

Abstract

The present invention discloses a foreign matter filtering device of a drum washing machine. The present invention is installed in the drum washing machine main body is fixed to the wash water, the rotating tank is rotatably installed in the fixing tank, and protruding through the rotating tub formed in the rotating tub to draw the laundry and the wash water with the rotation of the rotating tank A lifting lifter and a foreign matter filtering device installed on the lifter to collect foreign matters are used to filter foreign matters separated from the laundry during the laundry administration by using the foreign substance filtering device, thereby preventing the foreign matters from sticking to the laundry again. Have In addition, since the foreign matter filtering device filters out the foreign matter remaining in the wash water, there is an effect of washing the laundry cleanly.

Description

Drum washing machine with foreign material filtering device {Apparatus for filtering alien substance and naps in drum-type washing machine}

The present invention relates to a drum washing machine, and more particularly, to a filtering device for filtering laundry to improve foreign matters generated from laundry during washing.

In general, the drum washing machine has the advantage of less damage by twisting the laundry in the same effect as tapping with a laundry bat in the manner of tapping the laundry using a drop generated by the rotation of the rotary tub 21 provided in a drum shape. It is a washing machine. It is also automatically washed, rinsed and dehydrated according to the entered program.

The drum washing machine main body 10 is provided with a cylindrical fixing tank 20, one side of which the washing water is stored, and a door for opening and closing the opening 20a of the fixing tank 20 on the front of the main body 10 ( 40) is installed.

In addition, a plurality of suspension gas springs 11 are installed on the upper side of the fixing tank 20 so that the fixing tank 20 is elastically supported inside the main body 10, and vibrations during washing are provided below the fixing tank 20. A shock absorber 12 that buffers and supports the fixing tank 20 to be absorbed is installed.

A cylindrical rotating tub 21 is installed inside the fixing tub 20 to perform washing and dewatering strokes. The rotating tub 21 is driven by a driving motor 13 installed at the bottom of the main body 10. It is driven, a pulley (not shown) for rotating the rotating tub 21 is installed at the rear of the rotating tub 21, the pulley is connected via the drive motor 13 and the belt (14).

The rotating tank 21 is formed with a plurality of dehydration holes (21a) on the wall surface freely inflow and outflow of the wash water to the inside, when the dewatering the wash water is discharged through the dehydration hole (21a).

In addition, the inner surface of the rotary tub 21 is provided with a lifter 22 protruding a predetermined height to raise and drop the wash water when the rotary tub 21 rotates so that the laundry is washed by falling.

However, such a drum washing machine does not provide a structure for filtering foreign matters separated from the laundry during the laundry administration, so that the separated foreign matters remain in the wash water, and when washing is completed, the laundry power decreases by being attached to the laundry again. .

In addition, since the foreign matter is attached to the laundry, the user doubts the reliability of the washing power, and there was an uncomfortable problem of separating the foreign matter.

Therefore, the present invention is to solve the above problems, an object of the present invention is to provide a foreign matter filtering device of the drum washing machine that can be washed clean by improving the washing power by filtering foreign matters generated from the laundry during washing.

1 is a perspective view showing a drum washing machine

Figure 2 is a perspective view of a rotating tub of the drum washing machine to which the present invention is applied

Figure 3 is an exploded perspective view of the lifter of the drum washing machine to which the present invention is applied

Figure 4 is an operating state of the filtering device according to the present invention

Explanation of symbols on the main parts of the drawings

10: main body 20: fixing tank

21: rotating tank 22: lifter

30: foreign material filtering device 31: frame

33: removable part

In order to achieve the above object, the fixing tank is installed inside the main body to store the wash water, the rotating tub rotatably installed in the fixing tank, protrudes in the rotating tub and the communication hole is formed, the laundry and washing with the rotation of the rotating tub It is achieved by a drum washing machine characterized by having a lifter for lifting water and a foreign matter trapping device installed on the lifter to collect foreign substances.

In addition, the lifter has an insertion hole of a predetermined length on the upper surface of the lifter for attachment and detachment of the foreign matter trapping device, and the foreign matter trapping device is detachable to the upper side of the frame supporting the strainer of the foreign matter trapping device to be detachable to the insertion hole of the lifter. It is achieved by a drum washing machine characterized by having a part.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the foreign matter trapping device 30 of the drum washing machine according to the present invention.

Drum washing machine according to the present invention, as shown in Figure 1, the washing water is stored in the interior of the main body 10 is provided with a cylindrical fixing tank 20 of which one side is opened, the fixing tank 20 The cylindrical rotating tub 21 is provided so that rotational movement is possible.

On the upper side of the fixing tank 20, a plurality of string gas springs 11 are installed so that the fixing tank 20 is elastically supported inside the main body, and the fixing tank 20 absorbs vibrations during washing in the lower portion of the fixing tank 20. A shock absorber 12 that buffers and supports 20 is installed.

An upper side of the fixing tank 20 is provided with a water supply device composed of a water supply valve 18a and a plurality of water supply pipes 18 so as to supply wash water into the fixing tank 20, and the water supply device is provided inside the fixing tank. When the wash water is supplied, a detergent dissolving device 19 is installed to dissolve and supply the detergent.

In addition, a drainage pipe 15 is installed at the lower side of the fixing tank 20 so as to allow the drainage of the wash water in a row and dehydration process, and a drain pump 16 for forcibly draining the wash water is installed at the end of the drainage pipe 15. do.

The rotating tub 21 is rotatably spaced in a cylindrical shape in the fixed tub 20 is driven by a drive motor 13 installed at the bottom of the main body 10, the rear of the rotating tub 21 is rotated A pulley (not shown) for rotating the jaw 21 is installed, the pulley (not shown) is connected via the drive motor 13 and the belt (14).

In addition, a plurality of dewatering holes 21a are formed on the wall of the rotary tub 21 to freely flow the wash water between the fixed tub 20 and the rotary tub 21 during washing.

A plurality of lifters 22 protruding inwardly are installed on the inner circumferential surface of the rotary tub 21, and the lifter 22 pulls up and drops laundry when the rotary tub 21 is rotated. In this case, in the present invention, the lifter 22 may be installed at intervals of 120 °, and it may be installed at intervals of less or more than that.

The lifter 22 constitutes a structure for collecting and filtering foreign matter, which is a characteristic element of the present invention, and the foreign matter refers to dust or lint on laundry.

On the other hand, the front of the main body 10 is provided with a door 40 coupled to the hinge 17 for opening and closing the opening (20a) of the fixing tank 20, even in the state in which the door 40 is closed inside the rotating tank (21) It is composed of a disk-shaped transparent member (40a) made of a glass material so that you can see.

2 is a perspective view of a rotating tub 21 in which a lifter 22 is installed according to the present invention.

The lifter 22 has a triangular shape protruding inwardly from the inner side of the rotating tub 21 by a predetermined height, and a plurality of communication holes 22a are formed on both sides so that the wash water passes through the lifter 22. do.

And, Figure 3 is a perspective view in which the foreign matter trapping device 30 is installed on the lifter 22 provided in the rotating tank 21 according to the present invention.

The lifter 22 constitutes a plurality of hooks 22b on the lower surface of the lifter 22 to be fixed to the rotary tub 21, and rotates the hook insertion groove 21b to which the hook 22b is fixed. 21) is formed on the inner side.

On the upper side surface of the lifter 22 protruding the predetermined height is formed an opening insertion opening 22c for receiving the foreign matter filtering device 30 for collecting and filtering foreign matter.

Therefore, the foreign material filtering device 30 is detachable through the insertion hole 22c.

The foreign material filtering device 30 is composed of a fine net 32, a frame 31 for supporting it up, down, left, and right, and a detachable part 33 provided at an upper side of the frame 31. In addition, the foreign material filtering device 30 further includes a semi-circular receiving groove 34 provided on the other end of the frame 31.

The detachable portion 33 provided at an upper side of the frame 31 constituting the foreign matter trapping device 30 flows by the rotation of the rotating tub 21 after the filtering device 30 is inserted into the insertion port 22c. Or it is made of a resilient plastic material to prevent separation and easy detachment, it is composed of a pressing portion (33a) and the hook (33b).

4 is an operating state diagram in which the foreign matter filtering device 30 is accommodated in the insertion hole 22c provided in the lifter 22.

First, the semicircular accommodating groove 34 formed at the upper end of the frame 31 of the foreign substance trapping device 30 is first hooked to the engaging jaw 22d of the insertion hole 22c, and the detachable device is mounted on the other end of the filtering device 30. When the pressing device 33a of the part 33 is pushed into the insertion hole 22c of the lifter 22, the hook 33b of the detachable part 33 is engaged with the latching jaw 22d. At the same time as the foreign matter filtering device 30 is fixed.

In addition, when the foreign material filtering device 30 is removed from the lifter 22, the hook 33b of the detachable part 33 having elastic force is pulled out by pulling the pressing part 33a of the detachable part 33 outward. (22) Since the gap between the insertion opening 22c and the locking jaw 22d is widened, the strainer 30 can be easily separated.

Looking at the action of the foreign material filtering device 30 of the drum washing machine according to the present invention configured as described above are as follows.

After the laundry and the washing water are put into the rotating tub 21, when the rotating tub 21 is rotated by receiving the rotational force from the driving motor 13, the laundry inside the rotating tub 21 is rolled or rolled. Washing is performed by repeating the lifting and dropping by the lifter 22. During the dehydration stroke, the laundry is dehydrated by the centrifugal force generated by the high speed rotation of the rotating tub 21, and the dewatering hole of the wall of the rotary tub 21 ( 21a) through the fixing tank 20 is drained to the outside.

At this time, the filtering device 30 accommodated in the insertion port 22c of the lifter 22 collects the foreign matter in the wash water as the washing water flows through the lifter 22 while rotating integrally with the rotary tank 21. And filter out.

Therefore, the foreign matter caught in the net 32 of the foreign matter trapping device 30 is not tangled out easily and almost all foreign matters of the wash water are collected during washing and rinsing.

Although the above has been shown and described in the preferred embodiment of the present invention, the present invention is not limited to the above-described embodiment, and the present invention is not limited to the scope of the claims, which is common in the art to which the present invention pertains. Anyone with knowledge will be able to implement various variations.

As described above, the foreign matter filtering device of the drum washing machine according to the present invention has an effect of preventing foreign matters from adhering to the laundry because the foreign matter separated from the laundry during the washing administration is filtered using a strainer.

In addition, the foreign matter filtering device to filter the foreign matter remaining in the wash water has the effect of washing the laundry clean.

Claims (6)

Fixing tank installed inside the main body to store the wash water, rotatable tank rotatably installed in the fixing tank, provided to protrude on the inner surface of the rotating tank to pull up the laundry and wash water and a plurality of communication for the distribution of the wash water A drum washing machine, comprising: a lifter having a ball formed therein, and a foreign matter filtering device detachably inserted into the lifter for collecting foreign matter. The drum washing machine according to claim 1, wherein the lifter has an insertion hole configured to open the predetermined length in the upper side of the lifter for accommodating the foreign matter trapping device therein and constitute a locking step. The drum washing machine according to claim 1, wherein the foreign material filtering device comprises a filtering net for filtering foreign substances and a frame supporting the filtering net. The drum washing machine according to claim 3, wherein the foreign material filtering device has a detachable part for detachable from the lifter insertion hole on one side of the frame. The drum washing machine according to claim 3, wherein the foreign material filtering device has a receiving groove accommodating the latching jaw of the lifter insertion hole on one side of the frame. The drum washing machine according to claim 1, wherein the foreign material filtering device has a receiving groove for receiving a locking jaw of the insertion hole on one side of the frame supporting the strainer.