KR20110009916A - A laundry treatment machine - Google Patents

Abstract

PURPOSE: A laundry processing machine is provided to improve the reliability of a laundry processing operation by minimizing the deformation of a balancer generated from the rotation of an inner tub. CONSTITUTION: A laundry processing machine includes a cabinet(2), an outer tub(4), an inner tub(6), a balancer(12), and a reinforcing unit(60). The outer tub is arranged at the inner side of the cabinet and receives washing water. The inner tub is pivotally arranged inside the outer tub. The balancer is arranged at the upper side of the inner tub. The reinforcing unit is arranged at the outer side of the balancer, and the outer circumference of the reinforcing unit is formed into a grid shape.

Description

Laundry treatment machine {A laundry treatment machine}

The present invention relates to a laundry treatment apparatus, and more particularly, to a laundry treatment apparatus that can increase the strength of the balancer, prevent deformation of the balancer, thereby increasing stability and reliability.

Generally, a laundry treatment machine uses water, detergents, and mechanical action to remove dirt from clothes, bedding, etc. (hereinafter, referred to as 'fo'), and dry hot air and mechanical action heated by a heater. It is divided into a dryer for drying the wet cloth using a back, and a dry combined washing machine having a washing function and a drying function.

In addition, the washing machine has a top rod type washing machine in which a cloth entry hole through which a cloth is introduced and exits is formed on the upper surface of the cabinet, and washing is performed by a rotational flow generated when the washing tank is rotated, and a cloth entry hole is formed in the front of the cabinet and the drum is rotated. The washing machine may be classified into a drum washing machine in which washing is performed by a drop of cloth.

The conventional top load type washing machine includes an outer tub in which washing water is stored, an inner tub disposed inside the outer tub, and laundry is placed therein, and a motor device disposed below the inner tub to rotate the inner tub. The upper portion of the inner tank is equipped with a balancer (balancer) for reducing the vibration generated by the amount of eccentricity of the cloth.

The balancer has a ring shape, and a liquid balancer filled with a liquid such as brine is used therein.

However, the balance of the conventional top load type washing machine is formed in a ring shape, the bending occurs during the rotation of the inner tank, there is a problem that can cause vibration or shorten the life.

An object of the present invention is to provide a laundry treatment apparatus that can be improved in stability by the strength of the balancer.

Laundry processing apparatus according to the present invention is a cabinet, an inner tub disposed inside the cabinet, the wash tub is accommodated, an inner tub rotatably disposed inside the outer tub, a balancer disposed above the inner tub, It is disposed on the outside of the balancer, and includes a reinforcement portion formed so that the outer circumferential surface forms a lattice structure.

In the present invention, the outer circumferential surface of the reinforcement portion may have a plurality of ribs protruding to form a lattice structure.

In addition, in the present invention, the plurality of ribs include a circumferential rib formed to extend in the circumferential direction of the balancer, and a vertical rib formed to extend in the vertical direction perpendicular to the circumferential rib.

In addition, in the present invention, a plurality of circumferential ribs may be disposed to be spaced apart by a predetermined interval in the vertical direction, and a plurality of the vertical ribs may be disposed to be spaced apart by a predetermined interval in the circumferential direction.

In addition, in the present invention, the reinforcing portion may be disposed along the circumferential direction at the outer circumferential surface of the balancer.

In addition, in the present invention, the reinforcing portion may be disposed between the lower portion of the outer peripheral surface of the balancer and the inner wall surface of the inner tank.

In addition, in the present invention, the reinforcing portion may be coupled to the outer circumferential surface of the balancer.

In addition, in the present invention, the reinforcing portion may be formed in a ring shape to be coupled to the outer circumferential surface of the balancer.

In addition, in the present invention, the outer circumferential surface of the balancer has a stepped portion formed stepwise, the surface facing the balancer in the reinforcement portion may be formed in a shape corresponding to the stepped portion to be coupled to the balancer.

In addition, in the present invention, the reinforcing portion may be integrally formed on the outer circumferential surface of the balancer.

In addition, in the present invention, the balancer further comprises a plurality of partition walls disposed at predetermined intervals in the circumferential direction.

In addition, in the present invention, the plurality of partition walls are formed to protrude to a predetermined height from the upper and lower surfaces of the balancer.

In the laundry treatment machine according to the present invention, a reinforcing part having a lattice structure is disposed outside the balancer, thereby reinforcing the strength of the balancer by increasing the cross-sectional secondary moment of the balancer. Therefore, deformation such as bending of the balancer generated when the inner tank is rotated is minimized, so that stability and reliability can be increased.

Hereinafter, a top load type washing machine (hereinafter referred to as a "washing machine") as an embodiment of a laundry treatment machine according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a top load type washing machine according to a first embodiment of the present invention, Figure 2 is a longitudinal sectional view of the washing machine shown in FIG.

1 and 2, a washing machine according to a first embodiment of the present invention includes a case 1 forming an appearance and a leg assembly 10 coupled to a lower portion of the case 1.

The case 1 has an upper surface and a lower surface formed to be open, a cabinet 2 forming a side surface of a washing machine, a top cover 3 installed to cover an open upper surface of the cabinet 2, and the cabinet ( It includes a base (5) installed on the open lower surface of 2).

In the cabinet 2, an outer tub 4 in which water is accommodated, an inner tub 6 disposed inside the outer tub 4 and containing laundry, a motor 8 for driving the inner tub 6, and the like. And a water supply assembly for supplying water to the inside of the outer tub 4, and a drainage assembly 20 for draining the water in the outer tub 4 after washing or dehydration is completed.

In addition, the case 1 further includes a detergent supply unit 30 installed in the top cover 3 to temporarily store detergent. The detergent supply unit 30 is formed to supply a detergent into the inner tank 6 together with water supplied in connection with the water supply assembly.

The top cover 3 is provided with a cloth entrance hole 3a to put or take out the cloth. The top cover 3 is provided with a door 40 for opening and closing the gun access hole (3a). The door 40 may be made of at least a portion of glass (glass) so that the interior can be seen. That is, the door 40 includes a frame portion 40a and a glass portion 40b fitted to the frame portion 40a.

In addition, one side of the top cover 3 is equipped with a display panel 7 for inputting the operation of the washing machine or displaying the operating state of the washing machine.

The outer tub 4 is arranged to be suspended by a plurality of suspensions 15 on the inner top of the cabinet 2. One end of the suspension 15 may be coupled to an inner upper portion of the cabinet 2, and the other end thereof may be coupled to a lower portion of the outer tub 4.

At the bottom of the inner tank 6, a pulsator 9 for forming a rotational flow of water contained in the outer tank 4 is provided. The pulsator 9 is integrally formed with the inner tub 6, so that the inner tub 6 and the pulsator 9 may rotate together when the motor 8 rotates, and the pulsator 9 ) Is formed separately from the inner tank (6), it is possible to rotate separately when the motor (8).

On the upper side of the inner tank 6, a balancer 12 is installed to prevent the inner tank 6 from losing balance due to the deflection of the cloth. The balancer 12 may be a liquid balancer filled with a liquid such as brine.

On the upper side of the outer tub 4, a tub cover 14 for preventing separation of the cloth and scattering of water is provided.

The tub cover 14 is installed to cover an upper portion of the space between the outer tub 4 and the inner tub 6.

At the time of rotation of the inner tub 6, the wash water passing through the side wall of the inner tub 6 by centrifugal force rises toward the tub cover 14 along the space between the outer tub 4 and the inner tub 6 After hitting the tub cover 14, it is introduced into the inner tub 6.

The water supply assembly includes an external hose 11 for guiding water supplied from an external faucet, etc. to the washing machine, a water supply valve 12 connected to the external hose 11 to regulate water supply, and the water supply valve ( 12) and a water supply hose 13 connecting the detergent supply unit 30. The water supply valve 12 and the water supply hose 13 form a water supply flow path for supplying water.

The detergent supply unit 30 is disposed on the water supply passage. The detergent supply unit 30 includes a detergent box housing 31 installed in communication with the water supply hose 13, a detergent box 32 detachably attached to the detergent box housing 31, and the detergent box housing ( It is fixed to 31 and disposed on the upper surface of the detergent box 32 includes a detergent box cover for spraying water.

The detergent box housing 31 is installed in a detergent box installation part formed at one side of the top cover 3.

The detergent box 32 is coupled to the detergent box housing 31 so that a user can take it out of the detergent box housing 31 to inject detergent. The detergent box 32 may be coupled to the detergent box housing 31 so as to slide forward and backward. At least a part of the rear surface of the detergent box 32 may be opened, and detergent may be introduced into the detergent box housing 31 through the rear surface of the detergent box 32 when water is supplied.

The drainage assembly 20 includes a first drain hose 21 connected to a drain hole 26 formed on a lower surface of the outer tub 4, a drain pump housing 24 including a drain pump for pumping water, and the drainage. And a second drain hose 25 connected to the pump housing 24 to drain the water pumped by the drain pump to the outside of the cabinet 2. A drain motor for driving the drain pump is embedded in the drain pump housing 24.

The drainage assembly 20 may be disposed between the outer tub 4 and the base 5.

3 is an enlarged cross-sectional view of the portion A in Figure 2, Figure 4 is a perspective view showing a balancer reinforcing ring according to the first embodiment of the present invention, Figure 5 is a cross-sectional view seen in the direction A-A in FIG.

Referring to FIG. 3, a balancer 12 is installed in the upper portion of the inner tank 6 to prevent the inner tank 6 from being unbalanced or generated by vibration due to the deflection of the cloth. The balancer 12 may be filled with brine such as brine.

The balancer 12 is formed in a ring shape to correspond to the upper portion of the inner tank (6).

A plurality of baffles may be provided inside the balancer 12. The plurality of baffles (not shown) are disposed at predetermined intervals along the circumferential direction inside the balancer 12. The baffle (not shown) is formed to block the inside of the balancer 12 in the vertical direction, and a slit hole (not shown) is formed therein to allow the brine to pass through.

On the other hand, bending of the balancer 12 in the radial direction may occur during the rotation of the inner tank (6). Therefore, in order to reinforce the bending strength of the balancer 12, a plurality of partition walls are formed inside the balancer 12.

The plurality of partition walls include upper and lower partition walls 51 and 52 protruding from the upper and lower surfaces of the balancer 12 to predetermined heights, respectively.

The upper and lower partition walls 51 and 52 have a plate shape. The plurality of upper and lower partition walls 51 and 52 are disposed to be spaced apart at predetermined intervals in the circumferential direction of the balancer 12.

Meanwhile, referring to FIGS. 3 to 5, the washing machine further includes a reinforcing part 60 disposed outside the balancer 12 to reinforce the strength of the balancer 12.

The reinforcement part 60 may be formed in a ring shape to be coupled to a lower portion of the outer circumferential surface of the balancer 12.

The reinforcement part 60 may be disposed between the lower portion of the outer periphery of the balancer 12 and the inner upper portion of the inner tub 6.

In the present embodiment, the reinforcement portion 60 is described as an example that is fitted to the outer peripheral surface of the balancer 12 is coupled. However, the present invention is not limited thereto, and the reinforcement part 60 may be coupled to the balancer by a separate fastening member, and of course, may be coupled by an adhesive or the like.

The outer circumferential surface of the balancer 12 has a stepped portion 12a that is formed stepped, and the surface facing the balancer 12 in the reinforcement portion 60 has a shape corresponding to the stepped portion 12a.

The reinforcement part 60 may face the balancer 12 so as to be fitted after being fitted to the stepped part 12a and may have an 'L' shape.

That is, the reinforcement part 60 is formed along the outer circumferential surface of the balancer 12 in a circumferentially extending ring portion 60a, and is bent toward the balancer 12 from the ring portion 60a, thereby providing the balancer. It consists of the flange part 60b fitted to the step part 12a of (12).

The reinforcement part 60 is formed to have a lattice structure on the outer circumferential surface such that the cross-sectional coefficient is greater than the same mass, thereby reinforcing the strength of the balancer 12 by increasing the cross-sectional secondary moment of the balancer 12. .

A plurality of ribs protrude from the outer circumferential surface of the reinforcement part 60 to form a lattice structure.

The plurality of ribs includes a circumferential rib 60c formed along the circumferential direction of the balancer 12, and a vertical rib 60d extending vertically along the circumferential rib 60c.

The plurality of circumferential ribs 60c may be disposed to be spaced apart by a predetermined interval in the vertical direction. Here, the circumferential rib 60c is made of three and will be described by way of example.

The plurality of vertical ribs 60d may be disposed to be spaced apart by a predetermined interval in the circumferential direction.

As described above, the reinforcement portion 60 having a lattice structure is coupled to the balancer 12, so that the strength of the balancer 12 may be reinforced. Therefore, deformation such as bending of the balancer 12 generated when the inner tub 6 is rotated can be minimized.

In addition, there is an advantage that can be installed, without changing the structure of the balancer 12 separately.

6 is a perspective view illustrating a balancer according to a second embodiment of the present invention, and FIG. 7 is an enlarged perspective view of portion B of FIG. 6.

6 and 7, the washing machine according to the second embodiment of the present invention has a configuration and operation other than that in which the reinforcing portion 71 having a lattice structure is integrally formed on the outer circumferential surface of the balancer 70. As the first embodiment of the present invention may be implemented similarly or similarly, redundant description with the above-described first embodiment of the present invention may be omitted.

That is, the reinforcement part 71 may be injection molded integrally when the balancer 70 is formed under the outer circumferential surface of the balancer 70.

The reinforcement part 71 includes a plurality of ribs having a lattice structure, the plurality of ribs having a circumferential rib 71a formed along the circumferential direction of the balancer 70 and the circumferential rib 71a. It consists of an up and down rib 71b formed long in the vertical direction perpendicular to the.

Therefore, there is an advantage that the manufacturing is easy and the structure can be simplified.

In the laundry treatment machine according to the present invention, a reinforcing part having a lattice structure is disposed outside the balancer, thereby reinforcing the strength of the balancer by increasing the cross-sectional secondary moment of the balancer. Therefore, deformation such as bending of the balancer generated when the inner tank is rotated is minimized, so that stability and reliability can be increased.

1 is a perspective view of a top load type washing machine according to a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of the washing machine shown in FIG. 1.

3 is an enlarged cross-sectional view of portion A of FIG. 2.

4 is a perspective view showing a balancer reinforcing ring according to the first embodiment of the present invention.

FIG. 5 is a sectional view seen from the direction A-A in FIG. 4.

6 is a perspective view showing a balancer according to a second embodiment of the present invention.

FIG. 7 is an enlarged perspective view of portion B of FIG. 6.

BRIEF DESCRIPTION OF THE DRAWINGS Fig.

6: twelve 12,70: balancer

51: upper partition 52: lower partition

60, 71: reinforcement 60c: circumferential rib

60d: vertical rib

Claims (12)

Cabinets; An outer tub disposed inside the cabinet and configured to accommodate wash water; An inner tank rotatably disposed inside the outer tank; A balancer disposed above the inner tank; Laundromat disposed on the outside of the balancer, the laundry treatment device including a reinforcement formed to form a lattice structure of the outer circumference. The method according to claim 1, The outer circumferential surface of the reinforcing part is a laundry treatment device having a plurality of ribs protruding to form a lattice structure. The method according to claim 2, The plurality of ribs includes a circumferential rib formed long in the circumferential direction of the balancer, and a laundry processing apparatus including a vertical rib formed in the vertical direction extending perpendicular to the circumferential rib. The method according to claim 3, A plurality of the circumferential ribs are arranged to be spaced apart a predetermined interval in the vertical direction, The plurality of ribs are arranged in the circumferential direction spaced apart a predetermined interval laundry machine. The method according to claim 1, The reinforcement portion laundry treatment device disposed in the circumferential direction on the outer circumferential surface of the balancer. The method according to claim 1, The reinforcing part laundry machine is disposed between the lower outer peripheral surface of the balancer and the inner wall surface of the inner tank. The method according to claim 1, The reinforcement unit laundry processing device is coupled to the outer circumferential surface of the balancer. The method according to claim 1, The reinforcement portion laundry processing device consisting of a ring shape to be coupled to the outer circumferential surface of the balancer. The method according to claim 8, The outer circumferential surface of the balancer has a stepped portion formed stepped, The laundry treatment apparatus of the reinforcement part is formed in a shape corresponding to the stepped portion so that the surface facing the balancer is coupled to the balancer. The method according to claim 1, The reinforcement unit laundry processing device integrally formed on the outer circumferential surface of the balancer. The method according to claim 1, Washing machine further comprises a plurality of partitions disposed in the balancer spaced apart a predetermined interval in the circumferential direction. The method of claim 11, The plurality of partition walls are laundry processing apparatus formed to protrude to a predetermined height from the inside, the bottom of the balancer.

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