KR20050109399A - Drum front of drum type washing machine - Google Patents

Abstract

The drum front of the drum washing machine according to the present invention has a plurality of flat portions formed stepwise between the four entrance holes and the edges, and thus has high strength and minimizes deformation and damage.

Description

Drum front of drum type washing machine

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum front of a drum washing machine, and more particularly to a drum front of a drum washing machine in which a plurality of flat portions are formed stepped between a periphery of a gun entrance hole and a circumference.

In general, a washing machine is a device for cleaning cloths by washing, rinsing, dehydrating, etc. to remove dirts on clothes, bedding, etc. (hereinafter, called pores) using water and detergent.

The washing machine is largely classified into an agitator type, a pulsator type and a drum type washing machine.

The stirring type washing by rotating the laundry rod towered in the center of the washing tank to the left and right, t the vortex type is rotated by rotating the disk-shaped rotary blade formed on the lower side of the washing tank to wash by using the friction between the water flow and the cloth, the drum type The drum is rotatably arranged inside the tub, and water and detergent and cloth are put into the drum to wash the drum by rotating the drum.

The drum washing machine is mounted so that the tub and the drum are laid on its side, and a gun entry hole is formed at each front thereof.

The drum may be made of a single plastic injection molding, but the drum front and the drum front are coupled to the front end of the drum center in consideration of vibrations or collisions with a tub generated when the drum is rotated, and a drum entry hole is formed at the center thereof. And a drum bag that blocks the back of the drum center is a trend.

The drum front has an edge portion that surrounds the tip of the drum center and is coupled to the drum center, and a cylindrical bent portion protruding from the edge portion forms a pore access hole, and a flat portion is formed between the edge portion and the cylindrical bent portion. To prevent spills of fabric and wash water.

However, the drum front of the drum washing machine according to the prior art has only a flat plate between the edge portion and the cylindrical bent portion coupled to the drum center, there is a problem that there is a risk of breakage and deformation due to low strength.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide a drum front of a drum washing machine with high strength and minimizes the risk of deformation and breakage.

Another object of the present invention is to provide a drum front of the drum washing machine that is easy to enter and exit the fabric.

The drum front of the drum washing machine according to the present invention for solving the above problems and the first flat portion; An inclined portion extending obliquely forward from the first flat portion; A second flat portion extending flat from the inclined portion; A bent portion that is bent forward from the second flat plate portion and has a port entrance hole therein; It characterized in that it comprises a curled curled portion at the tip of the bent portion.

In addition, the drum front of the drum washing machine according to the present invention includes a first flat portion; A curved portion extending curvedly forward from the first flat portion; A second flat portion extending flat from the inclined portion; A bent portion that is bent forward from the second flat plate portion and has a port entrance hole therein; It characterized in that it comprises a curled curled portion at the tip of the bent portion.

In addition, the distance from the outer end of the first flat portion to the outer end of the second flat portion is characterized in that 2/3 times the distance from the outer end of the first flat portion to the inner end of the second flat portion.

The distance from the outer end of the first flat part to the outer end of the second flat part may be 1/2 times the distance from the outer end of the first flat part to the inner end of the second flat part.

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

1 is a cross-sectional view showing the inside of a drum washing machine equipped with a first embodiment of a drum front according to the present invention.

In the drum washing machine of the present invention, as shown in FIG. 1, the cabinet 4 is disposed above the base 2, and the top cover 6 is disposed on the upper surface of the cabinet 4. The cabinet cover 8 is disposed in front of the.

The cabinet cover 8 has a fabric access hole 9 formed therein to allow the fabric m to enter and exit, and a door 10 for opening and closing the fabric access hole 9 is rotatably connected.

In addition, a control panel 12 for operating the washing machine is disposed on the upper side of the cabinet cover 8 or the upper cover 6.

On the other hand, in the space formed by the base 2, the cabinet 4, the top cover 6 and the cabinet cover 8, a tub 14 for containing water mixed with detergent or clean water (hereinafter referred to as washing water). ) Is located.

The tub 14 is mounted on the damper 3 connected to the base 2 and connected to the spring 5 connected to both sides of the cabinet 4 so as to be suspended from the damper 3 and the spring 5. Is bufferably supported.

The tub 14 is a circular cylinder lying on its side, and an opening hole 16 is formed at the rear of the gun entrance hole 9, and a water supply port 18 for supplying the washing water w on one upper side thereof. Is formed, the lower side is formed with a drain 20 for draining the wash water (w).

In addition, the tub 14 is equipped with a gasket 22 which comes into close contact with the rear surface of the door 10 when the door 10 is closed, and prevents leakage of washing water w and separation of the fabric m.

One end of the gasket 22 is connected to the tub 14 so that the gasket 22 is positioned around the front of the opening hole 16 of the tub 14.

In addition, the back of the tub 14 is equipped with a motor 24 that is a driving means for rotating the drum 30 to be described later.

The motor 24 is composed of a stator 26 fixed to the back of the tub 14 and a rotor 28 surrounding the circumference and the back of the stator.

On the other hand, the drum 30 is a cylinder lying sideways, such as the tub 14 so that the lower portion is immersed in the wash water (w) in the tub 14, rotatably positioned inside the tub 14 do.

The spider 32 is fixed to the back of the drum 30.

A shaft 33 for connecting to the rotor 28 is fixed to the spider 32 to protrude rearward.

The spider 32 is composed of a shaft connecting portion 34 to which the shaft 33 is fixed, and a plurality of legs 35, 36, 37 protruding radially from the shaft connecting portion 34. Each of the legs 35, 36, 37 is fixed to the rear side of the drum 30 by fastening means such as a bolt.

The shaft 33 has a front end fixed to the shaft connecting portion 34 and passes through an opening formed in the rear surface of the tub 14 and is supported by a bearing installed in the opening hole, and a rear end thereof is supported by the motor 24. ) Is fixed to the rotor 28.

On the other hand, the drum 30 is mounted on the inner circumferential surface of the periphery of the lifter 40 for lifting and dropping the m (m), the cloth (m) is located behind the gun entry hole (9) of the cabinet cover (8) A cloth access hole 43 is formed to be allowed to enter and exit, and a plurality of through holes 41 and 45 are formed to allow washing water or air to enter and exit the circumferential portion or the back portion.

In addition, the drum 30 forms a circumference of the drum 30 and the drum center 42 in which the through hole 41 is formed, and the front and rear portions of the drum 30 are formed in the center. The drum front 44 is formed, and a drum bag 46 forming the rear portion of the drum 30 and the through hole 45 is formed.

Reference numeral 60 is a water supply valve connected to the external hose 58 to regulate the water supplied through the external hose 58, reference numeral 62 is a water supply hose for guiding water passing through the water supply valve 60, Reference numeral 64 is a detergent container installed so that detergent can be mixed with the water guided by the water supply hose 62, and reference numeral 66 denotes a water supply port 18 of the tub 14 for washing water passing through the detergent container 64. Water supply bellows pipe leading to).

Further, reference numeral 70 denotes a drainage bellows pipe connected to the drain port 20 of the tub 14 so that the washing water w in the tub 14 is drained, and reference numeral 72 denotes the drainage bellows pipe 70. A pump for pumping the wash water guided to the reference numeral 74 is a drain hose connected to the pump for draining the wash water pumped from the pump to the outside of the washing machine.

2 is a front view of a drum front first embodiment according to the present invention, and FIG. 3 is an enlarged sectional view of a drum front first embodiment according to the present invention.

As shown in FIGS. 2 and 3, the drum front 44 is formed in a circular shape in the center of the drum front 44.

The drum front 44 includes a first flat portion 51, an inclined portion 52 extending obliquely forward from the first flat portion 51, and a second flat portion extending from the inclined portion 52. A flat portion 53, a bent portion 54 that is bent forward from the second flat plate portion 53 and the fabric access hole 43 is formed inside, and a curled portion that is curled at the tip of the bent portion 54. It comprises 55.

The bent portion 54 protrudes in a cylindrical shape, and its rear end extends curvedly from the inner end of the second flat portion.

The curling portion 55 is dried outward from the tip of the bent portion 54, and then rolled backwards to not only damage the cloth m when the cloth m enters or exit, but also to the bent portion 54. Increase the strength of).

The drum front 44 further includes a second curled portion 56 which is bent forward from the outer end of the first flat portion 51 and then rolled to surround the tip of the drum center 42. do.

The drum front 44 has a distance l from the outer end of the first flat part 51 to the outer end of the second flat part 53 at the outer end of the first flat part 51. It is about 2/3 times the distance L to the inner end of the second flat part 53.

That is, the drum front 44 has the second flat portion 53 is formed relatively narrower than the first flat portion 51, thereby increasing the strength of the bent portion (54).

Looking at the operation of the present invention configured as described above are as follows.

First, when the door 10 is opened and the cloth m is introduced into the gun entry hole 43 of the drum front 44, the gun m passes through the gun entry hole 43 and the drum ( 30) is accommodated in the internal space.

Then, when the door 10 is closed and a command such as washing / rinsing / dehydration is input through the control panel 12, the washing machine is operated according to the input command.

When the washing machine is input the washing stroke, the water supply valve 60 is turned on to supply water, and the supplied water is mixed with the detergent while passing through the detergent container 64 and then contained in the inner lower portion of the tub 14. Through the through holes 41 and 45 of the drum 30, the drum 30 is introduced into the drum 30 and wetted in the cloth m.

The washing machine turns off the water supply valve 60 and turns on the motor 24 when water of a predetermined level (water level lower than the lower end of the cloth entry hole 43) is supplied to the inside of the tub 14. The spider 32 is rotated.

When the spider 32 is rotated, the drum 30 is rotated so that the foam m rises upwards and falls, and the dropped foam m falls by contamination of water and detergent.

When the washing is performed for a predetermined time, the washing machine turns off the motor 24 and turns on the drain pump 72 to drain the contaminated washing water to the outside. 72) is off.

When the rinsing stroke is input, the washing machine turns on / off the water supply valve, the motor, and the drain valve in the same manner as the washing stroke to rinse the remaining water on the fabric.

When the dehydration stroke is input, the washing machine drives the motor 24 at high speed.

The spider 32 and the drum 30 are rotated at high speed during the high speed driving of the motor 24, and the water m is attached to the inner surface of the drum 30 so that water is centrifugally dehydrated.

Then, the washing machine turns on the drain pump 72 with the high speed driving of the motor to drain the contaminated wash water to the outside, and turns off the drain pump 72 when all the contaminated wash water is drained.

On the other hand, in the drum washing machine, when the washing, rinsing, and dehydration of the drum (m) or the washing water (w) hits the rear surface of the drum front 42, the drum front 42 is the first flat surface. Since the part 51 and the second flat part 53 are formed stepped with the inclined part 52 interposed therebetween, and the strength thereof is high, the deformation and breakage are minimized during such a collision.

4 is a front view of a drum front second embodiment according to the present invention, and FIG. 5 is an enlarged sectional view of a drum front second embodiment according to the present invention.

As shown in FIGS. 4 and 5, the drum front 44 ′ according to the present embodiment has a distance l from the outer end of the first flat part 51 to the outer end of the second flat part 53. Is about 1/2 times the distance L from the outer end of the first flat part 51 to the inner end of the second flat part 53, and other configurations and actions other than the above distance difference are made in the present invention. Since the drum front 80 of the first embodiment is the same, the same reference numerals are used, and a detailed description thereof will be omitted.

In the drum front 80 as described above, the second flat portion 53 is formed wider than the first embodiment of the present invention, such that the connecting portion 56 and the bent portion 54, which are outer peripheries of the drum front 80, are formed. ), That is, the strength of the first flat plate portion 51, the inclined portion 52 and the second flat plate portion 53 side is higher.

6 is a front view of a drum front third embodiment according to the present invention, and FIG. 7 is an enlarged sectional view of a drum front third embodiment according to the present invention.

The drum front 44 ″ according to the present embodiment is formed at the first flat portion 51 between the first flat portion 51 and the second flat portion 53, as shown in FIGS. 6 and 7. A curved surface portion 52 'extending forwardly is formed, and other configurations and actions other than the curved surface portion 52' are the same as those of the first or second embodiment of the drum front according to the present invention. The code is used and the detailed description thereof is omitted.

The drum front 44 ″ is formed by the curved portion 52 ′ when the user inserts his or her hand to hold the fabric m at the boundary between the drum front 44 ″ and the drum center 42. Hand entry is facilitated and the fabric m slides along the curved portion 52 ', so that the fabric m is easily taken out.

The drum front of the drum washing machine according to the present invention configured as described above has a plurality of flat portions formed stepwise between the four entrance holes and the edges, and thus has a high strength to minimize deformation and damage.

In addition, the drum front of the drum washing machine according to the present invention is formed to be curved between the plurality of flat parts, there is an advantage that the hand is easy to insert and take out the fabric.

Further, in the drum front of the drum washing machine according to the present invention, the distance from the outer end of the first flat part to the outer end of the second flat part is about two times the distance from the outer end of the first flat part to the inner end of the second flat part. Since it is three times, there exists an advantage that the intensity | strength of the side of the bent part which forms a cloth entrance hole is high.

Further, in the drum front of the drum washing machine according to the present invention, the distance from the outer end of the first flat part to the outer end of the second flat part is about 1 / time of the distance from the outer end of the first flat part to the inner end of the second flat part. Since it is twice, there is an advantage that the strength between the outer circumference of the drum front and the bent portion is high.

1 is a cross-sectional view showing the inside of a drum washing machine equipped with a first embodiment of a drum front according to the present invention;

2 is a front view of a drum front first embodiment according to the present invention;

3 is an enlarged cross-sectional view of a drum front first embodiment according to the present invention;

4 is a front view of a drum front second embodiment according to the present invention;

5 is an enlarged cross-sectional view of a drum front second embodiment according to the present invention;

6 is a front view of a drum front third embodiment according to the present invention;

7 is an enlarged cross-sectional view of a drum front third embodiment according to the present invention.

<Explanation of symbols on main parts of the drawings>

14: Tub 30: Drum

40: lifter 41: through hole

42: drum center 43: artillery entrance hall

44,44 ′, 44 ″: Drum Front 45: Through

46: drum bag 51: first flat portion

52: slope portion 52 ': curved portion

53: second complimentary part 54: bend part

55: curl portion 56: second curl portion

Claims (4)

A first flat portion; An inclined portion extending obliquely forward from the first flat portion; A second flat portion extending flat from the inclined portion; A bent portion that is bent forward from the second flat plate portion and has a port entrance hole therein; Drum front of the drum washing machine, characterized in that it comprises a curled curled portion at the tip of the bent portion. A first flat portion; A curved portion extending curvedly forward from the first flat portion; A second flat portion extending flat from the inclined portion; A bent portion that is bent forward from the second flat plate portion and has a port entrance hole therein; Drum front of the drum washing machine, characterized in that it comprises a curled curled portion at the tip of the bent portion. The method according to claim 1 or 2, The distance from the outer end of the first flat part to the outer end of the second flat part is 2/3 times the distance from the outer end of the first flat part to the inner end of the second flat part. . The method according to claim 1 or 2, The distance from the outer end of the first flat part to the outer end of the second flat part is 1/2 times the distance from the outer end of the first flat part to the inner end of the second flat part. .