KR101221459B1 - Tremor preventing device of washing machine - Google Patents

Abstract

Disclosed is an apparatus for preventing a shake of a washing machine. An anti-shake device of a washing machine according to the present invention includes: a door connected to a cabinet to open and close a door of a laundry, a door having a first anti-shake part, a tub installed inside the cabinet to prevent a leak, and a first anti-shake It is configured to include a gasket having a second anti-shake unit coupled with the unit to prevent the shaking of the door during washing.

Preferably, the first anti-shake portion is in the shape of a groove, and the second anti-shake portion is characterized in that the protrusion is formed extending to the first anti-shake portion.

According to the present invention, unlike the conventional invention, it is possible to reduce the vibration of the door and the gasket, thereby reducing the noise and the deformation of the gasket caused by the vibration of the door.

Door, gasket, vibration

Description

Anti-shake device of washing machine {TREMOR PREVENTING DEVICE OF WASHING MACHINE}

1 is a perspective view schematically showing the appearance of a drum washing machine according to the prior art.

Figure 2 is a perspective view schematically showing the appearance of the drum washing machine according to an embodiment of the present invention.

Figure 3 is a side cross-sectional view schematically showing a drum washing machine according to an embodiment of the present invention.

4 is a view schematically showing a door shaking device according to an embodiment of the present invention.

Description of the Related Art [0002]

20: door 25: first anti-shake unit

30: water supply 50: tub

55 drum 60 gasket

65: second anti-shake unit 90: drive motor

The present invention relates to a washing machine, and more particularly, to an anti-shake device of a washing machine that prevents shaking of a door.

The washing machine is mainly driven by an electric motor, and the washing, rinsing, and dehydration processes are carried out to remove contaminants from clothes using detergent and water. The components consist of a motor, a power unit, a machine that delivers energy to the laundry, a control unit to control the washing process, and a water supply and drainage system for entering and removing water.

Recently introduced washing machines include a pulsator type washing machine in which a drum is set in a vertical direction, a drum washing machine in which the drum is laid in a horizontal direction, and a dry washing machine including a drying function. The configuration and operation of the general drum washing machine are as follows.

1 is a perspective view schematically showing the appearance of a drum washing machine according to the prior art.

Referring to FIG. 1, a general drum washing machine is provided with a cabinet 1 that forms an exterior, and a tub 7 is installed to be suspended by a spring in the cabinet 1 and supported by a damper. The drum (9) is rotatably installed inside the tub (7) to become a space in which washing water and laundry are contained, and the lift (11) protrudes at regular intervals on the inner wall surface of the drum (9). Installed in a state. The lift 11 raises the laundry as the drum 9 is rotated and then falls off, thereby improving the washing force. The drum 9 has a plurality of dehydration holes are formed on the inner wall surface to allow the washing water to flow freely to the drum 9 and the tub 7 side, and to allow the washing water to escape from the laundry by centrifugal force during dehydration. On the other hand, the front of the drum (9) is opened and closed by a door (3) hinged to the cabinet (1). A transparent glass 4 protrudes toward the drum 9 inside the door 3, and a rubber gasket 5 is installed between the door 3 and the tub 7 so that the tub ( The water stored in 7) is prevented from leaking into the space between the tub 7 and the drum 9. At the rear of the tub 6, a driving motor is connected to the drum 9 to rotate the drum 9.

Looking at the operation of the conventional drum washing machine configured as described above are as follows.

In the state in which laundry is put into the drum 9, an appropriate amount of washing water is supplied into the tub 7 according to the quantity of laundry. Then, the driving motor is operated to lift the laundry as the drum (9) is rotated to a certain height, and then to fall to wash the laundry. When the washing stroke is completed as described above, the drain pump connected to the drain pipe is opened to drain the wash water, and then the motor is operated at high speed to wash the drum 9 by centrifugal force by rotating the drum 9 at high speed. Intermittent dehydration proceeds by allowing the water to escape, and the water supply valve is opened again to supply the wash water and at the same time the drum 9 rotates to rinse. At this time, the washing water freely flows to the drum 9 and the tub 7 by the dehydration hole on the inner wall surface of the drum 9, thereby enhancing the effect of washing and dehydration. In addition, since the gasket 5 installed in the tub 7 is installed in close contact with the door 3 when the door 3 is closed, the wash water is prevented from leaking.

However, the washing machine using the drum washing machine and the electric motor for rotating the drum 9 using the drive motor as described above generates vibration. The vibration is transmitted to the cabinet 1 and the door 3 so that the door 3 is shaken. The vibration of the door 3 causes the gasket 5 in close contact with the door 3 to generate noise. There is a problem in that water leakage occurs between the door 3 and the gasket 5. In addition, the tremor of the door 3 brings about a deformation of the gasket 5 so that the sealing effect is reduced, and thus a need for improving the door 3 is required.

The present invention has been made by the necessity as described above, and an object of the present invention is to provide an anti-shake device of a washing machine, which can reduce the noise caused by the shaking of the door.

In addition, an object of the present invention is to provide an anti-shake device of a washing machine that can reduce the deformation of the gasket and increase the leakage preventing effect of the gasket.

Anti-shake device of the washing machine according to the present invention:

The door is connected to the cabinet to open and close the door of the laundry and has a first anti-shake unit, and a tub provided inside the cabinet to prevent leakage and the tub is coupled to the first anti-shake unit when washing the door It is configured to include a gasket having a second anti-shake to prevent the shaking of.

Preferably, the first anti-shake unit is in the shape of a groove, and the second anti-shake unit is characterized in that the protrusion is formed to extend toward the first anti-shake unit.

Alternatively, the first anti-shake part is formed in a protrusion shape extending to the second anti-shake part, and the second anti-shake part is a groove shape.

Preferably, the first anti-shake unit and the second anti-shake unit are arranged at a predetermined angle apart in the circumferential direction and are characterized in that three.

Moreover, this invention provides the washing machine provided with the said anti-shake device.

Hereinafter, a preferred embodiment of a washing machine having an anti-shake device according to the present invention will be described with reference to the accompanying drawings.

For convenience of explanation, a description will be given taking an anti-shake device provided in a drum washing machine as an example. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary depending on the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

Figure 2 is a perspective view schematically showing the appearance of the drum washing machine according to an embodiment of the present invention, Figure 3 is a side cross-sectional view schematically showing a drum washing machine according to an embodiment of the present invention.

2 and 3, the drum washing machine according to the present invention, the cabinet 10 and the tub (50) to be supported by the damper while being installed to be suspended by a spring in the cabinet 10 and the inside of the cabinet 10; Is installed rotatably inside the tub 50, the drum 55 in which the wash water and laundry are contained, and the driving motor connected to the drum 55 in the rear of the tub 50 to rotate the drum (55) 90), a water supply unit 30 for supplying the wash water from the outside into the tub 50, and a drain 40 for discharging the wash water of the tub 50 to the outside after washing is provided.

In addition, the lift 53 is installed on the inner wall surface of the drum 55 at a predetermined interval. The lift 53 raises the laundry as the drum 55 rotates and then drops the laundry to improve the washing force. The drum 55 is formed with a plurality of dehydration holes on the inner wall surface to allow the washing water to flow freely to the drum 55 and the tub 50, and to allow the washing water to escape from the laundry by centrifugal force during dehydration.

In addition, the front and rear of the drum 55 is opened and closed by a door 20 hinged to the cabinet 10. A rubber gasket 60 is installed between the door 20 and the tub 50 to prevent leakage of water stored in the tub 50.

Meanwhile, an anti-shake device for reducing vibration of the door 20 and wear of the gasket 60 is provided in the washing machine, and the anti-shake device includes a first anti-shake part 25 and a second anti-shake part 65. It is configured to include. The first anti-shake unit 25 has a protrusion shape toward the gasket 60 in the door 20, and the second anti-shake unit 65 cuts a part of the gasket 60 so that the protrusion can be inserted. One groove shape. When the door 20 is closed, the first anti-shake unit 25 is inserted into the second anti-shake unit 65 to reduce the vibration of the door generated during the washing stroke.

4 is a view schematically showing a door shaking device according to an embodiment of the present invention.

Referring to FIG. 4, three first anti-shake units 25 and two second anti-shake units 65 are installed, and are spaced apart from each other by a predetermined angle in the circumferential direction to prevent the shaking of the door 20 and the gasket 60. To increase the leakage prevention effect. The projection of the first anti-shake unit 25 is inserted into the groove of the second anti-vibration unit 65 when the door 20 is closed, thereby reducing the transmission of the vibration of the door 20 to the gasket 60, Since the groove of the gasket 60 holds the door through the protrusion of the door 20, the door 20 is reduced from shaking.

Meanwhile, in the above preferred embodiment with reference to the accompanying drawings, a protrusion is formed in the first anti-vibration part and a groove is formed in the second anti-vibration part. On the contrary, a groove is formed in the first anti-vibration part, and the second vibration Protrusions may be formed in the prevention portion.

Looking at the operation of the drum washing machine according to the present invention configured as described above are as follows.

When the washing administration starts, the washing water is supplied from the outside in the state in which the laundry is contained in the drum 55, flows into the tub 50, and is supplied into the drum 55. Then, the driving motor 90 is operated so that the lift (53) as the drum 55 is rotated to lift the laundry to a certain height, and then fall to wash the laundry. When the washing is completed, the washing water in the drum 55 flows to the drain 40 installed in the lower portion of the drum 55 to be drained to the outside, and the drive motor 90 is operated at a high speed to speed up the drum 55 By rotating, the washing water is discharged from the laundry by centrifugal force so that intermittent dehydration proceeds.

The protrusion of the first anti-shake unit 25 is inserted into the groove of the second anti-vibration unit 65 during the washing process to reduce the vibration of the door 20 from being transmitted to the gasket 60. The groove of 60 fixes the protrusion of the door 20 to reduce the shaking of the door 20.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. In addition, in the above embodiment, a drum washing machine has been described as an example, but this is merely illustrative, and the present invention may be applied to other washing machines. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

As described above, the washing machine having the anti-shake device and the anti-shake device of the washing machine according to the present invention can reduce the noise caused by the shaking of the door, unlike the conventional invention, thereby eliminating consumer complaints. In addition, by reducing the deformation of the gasket to increase the life of the gasket, it is possible to effectively prevent leakage by increasing the sealing effect of the gasket.

Claims (6)

A door connected to the cabinet to open and close the laundry entrance and having a first anti-shake unit; A tub provided inside the cabinet; And A gasket made of a rubber material and installed on the tub to prevent leakage of water stored in the tub, and having a second anti-shake part coupled with the first anti-shake part to prevent shaking of the door during washing; , The first anti-shake part is a protrusion shape extending to the second anti-shake part, The second anti-shake unit, the anti-shake device of the washing machine, characterized in that the groove shape cut a portion of the gasket so that the first anti-shake unit can be inserted. delete delete The method of claim 1, The first anti-shake unit and the second anti-vibration unit of the washing machine anti-shake device, characterized in that arranged in the circumferential direction. The method of claim 1, The first anti-shake unit and the second anti-shake unit 3, characterized in that the anti-shake device of the washing machine. The washing machine provided with the anti-shake device of any one of Claims 1, 4, and 5 characterized by the above-mentioned.

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