KR200208944Y1 - Washing machine - Google Patents

Abstract

The present invention relates to a washing machine, the purpose is to improve the housing to compactly configure the washing machine and to reduce vibration more easily.

According to the washing machine according to the present invention, the washing water is freshly washed in the laundry room 11 of the housing 10 formed through the partition wall 13 without a separate water tank, so that the washing and rinsing strokes are performed smoothly, thereby improving the overall washing machine structure. It can be compact, and there is no need for a suspension tank as well as a conventional water tank, thereby reducing manufacturing costs due to component deletion.

In addition, since the driving motor 31 for driving the rotating tub 20 and the rotary blades 22 is fully supported by the fixing plate 32a and the plurality of shock absorbing springs 32c, vibrations generated during driving are more easily reduced. This has the advantage of preventing noise and product damage.

Description

Washing machine

The present invention relates to a washing machine, and more particularly, to a washing machine having a housing in which a rotating tub is rotatably disposed and a driving device for driving the rotating tub is disposed at the bottom thereof.

In general, a washing machine is pre-programmed with washing, rinsing, drainage, and dehydration strokes in the microcomputer of the control unit, and is configured to allow the user to selectively control the washing machine. do.

As shown in FIG. 1, a conventional washing machine having such a function is provided with a water tank 2 in which water for washing is stored in a housing 1 forming an exterior, and is rotatably installed in the water tank 2. It consists of the rotating tank 3 provided with the pulsator 4, the drive part 6 for driving the rotating tank 3, the pulsator 4, etc. FIG.

The water tank 2 is installed through the suspension device 5 inside the housing 1. The suspension device 5 has a supporting rod 5a and a buffer spring 5b. The upper end of the support bar 5a is fixedly coupled to the inner upper end of the housing 1, and the lower end thereof is fixed to the outer lower end of the water tank 2 and fitted into the case 5c in which the shock absorbing spring 5b is embedded. Accordingly, while supporting the weight of the water tank 2 by the buffer spring (5b) coupled to the lower end of the support rod (5a) of the suspension device (5), the vertical vibration of the suspension and rinsing and dehydration process is alleviated. .

In addition, the rotating tank 3 rotatably disposed in the water tank 2 is formed in a cylindrical shape with an upper portion open, and a dewatering hole 3a is perforated over the entire wall surface, so that laundry is contained and washing and dehydration are performed. .

In addition, the driving unit 6 is mounted below the water tank 2, and the clutch 6b rotates the pulsator 4 and the rotating tank 3 through the rotation shaft 6c by receiving the motor 6a and its power. And the like. Accordingly, power is transmitted to the pulsator 4 only by the clutch 6b during the washing and rinsing stroke, and power is transmitted such that the pulsator 4 and the rotating tub 3 rotate simultaneously during the dehydration stroke. Unexplained reference numeral '7' is a drain hose having one end coupled to communicate with the lower part of the water tank 2 and the other end extending outside the housing 1 to discharge the wash water.

In the conventional washing machine configured as described above, a washing stroke, a draining stroke, and a dehydrating stroke are performed according to a command of a programmed control unit (not shown).

That is, when laundry and detergent are put into the rotating tank 3 and a control unit (not shown) is operated, the washing water is supplied and stored in the water tank 2 and power is applied to the motor 6a.

Therefore, during the washing and rinsing stroke, the pulsator 4 is reversely rotated by receiving the power of the motor 6a through the clutch 6b, so that the washing water flow is formed in the rotary tub 3 to perform the washing and rinsing stroke.

After the end of this stroke, the wash water stored in the water tank 2 is discharged to the outside of the housing 1 through the drain hose (7). And the rotating tank 3 and the pulsator 4 rotate at high speed in one direction, and dehydration stroke is performed.

However, such a conventional washing machine is composed of a plurality of parts, such as a water tank (2) for storing fresh water in the housing (1) and a separate suspension device (5) for buffering it, and the structure is complicated and manufacturing costs There is this rising problem.

That is, the rotary tub 3 is rotatably embedded therein, and the cylindrical tub 2 for temporarily storing the wash water during the washing stroke is installed in the housing 1 so that the overall size is larger than the washing capacity. You lose.

In addition, a suspension device 5 composed of a plurality of supporting rods 5a and a buffering spring 5b for buffering and supporting the water tank 2 is required, and the overall structure is complicated, and such a large number of components increase the manufacturing cost. Cause.

The present invention is to solve this problem, the main purpose of the present invention is to install the rotating tub rotatably and at the same time to improve the housing to store the wash water fresh water to make the overall structure compact and to simplify the components It is to provide a washing machine that can further reduce the cost.

And a further object of the present invention is to provide a washing machine that can more easily reduce the vibration generated in the drive unit to prevent noise and product damage generated during the operation of the washing machine.

1 is a cross-sectional view showing the overall structure of a conventional washing machine.

2 is a cross-sectional view showing the overall structure of a washing machine according to the present invention.

Figure 3 is an extract showing the machine room structure of the washing machine according to the present invention.

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

10..Housing 11..Laundry

12. Machine room 13. Block wall

20. Rotating tank 30. Driving means

31. Drive motor 32. Support device

32a.Retaining plate 32b.Buffer member

32c .. Shock spring 32d .. Vibration resistant tube

The present invention for achieving this purpose,

The laundry room and the machine room in which the washing water is stored are partitioned up and down by partition walls, the rotating bath is installed in the laundry room of the housing so that the rotating blade is disposed at the bottom, and the housing for driving the rotating bath and the rotating wing. And a support device for buffering and supporting the drive motor.

In addition, the bottom plate of the machine room is mounted,

The support device is characterized in that it comprises a fixed plate to which the drive motor is fixed, and a plurality of buffer members for supporting the fixed plate spaced apart from the base plate.

In addition, the shock absorbing member is a configuration characterized in that the upper end is fixed to the lower portion of the fixing plate and the lower end is fixed to the upper base plate, and the dustproof tube provided with an elastic material to surround the outer circumference of the buffer spring.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings. Briefly explaining the accompanying drawings, Figure 2 shows the overall structure of the washing machine according to the present invention, Figure 3 is an extract showing the machine room structure of the washing machine according to the present invention.

Washing machine according to the present invention, as shown in Figure 2, the rectangular cylindrical housing 10 forming the outer body, the rotating tub 20 is rotatably disposed in the upper space in the housing 10, the rotating tub ( A driving means 30 for driving 20).

The housing 10 is injection molded from a plastic material and is provided in a rectangular tube with an upper portion and an lower portion open. A lower plate 14 is mounted at a lower portion thereof, and a lid 15a and a control panel (not shown) for inserting or extracting laundry at an upper portion thereof. C) is equipped with an upper cover 15.

In addition, the inner space of the housing 10 is installed so that the rotating tub 20 is rotatably mounted, the laundry room 11 in which the wash water is stored in fresh water during the washing and rinsing stroke, and the machine room 12 in which the driving means 30 is installed. It is divided up and down by). To this end, the housing 10 is provided with a partition wall 13 having a plate shape in a horizontal direction to partition the inner space up and down, the partition wall 13 is preferably configured integrally during the injection molding of the housing 10. Therefore, the washing water is stored in the upper space of the housing 10 without a water tank so that washing and rinsing administration can be performed smoothly.

The rotating tub 20 is provided in a cylindrical shape in which the dehydration hole 21 is drilled, and is installed in the laundry chamber 11 of the housing 10 so as to be rotatable. And the inner blade of the rotating tub 20 is radially rotated blades 22 formed with a plurality of wings (22a) is installed to enable reverse rotation to form a water stream. In addition, a balancer 23 filled with saline in the circumferential direction is provided at the innermost upper end of the rotating tub 20, which is used to prevent vibrations and vibrations that are transmitted to the rotating tub 20 side during washing and rinsing of the washing machine. It performs the function of buffering through the wave, and during the dehydration stroke in which the rotating tub 20 rotates at a high speed, a centrifugal force that pulls the salt water of the balancer 23 relatively to the action that the rotating tub 20 is outward. By attenuating by using this, the balance of the rotating tank 20 is maintained.

Referring to FIG. 3, the drive means 30 is installed in the machine room 12 of the housing 10, and the drive means is provided such that the shaft 31a protrudes so as to be coupled to the center of the rotating tub 20 and the rotary blade 22. The motor 31 and the support device 32 for fixedly installing the drive motor 31 are provided.

At this time, the drive motor 31 is a direct connection with a clutch built-in shaft so as to rotate the rotating blades 22 only during the washing and rinsing stroke, and to rotate the rotating tub 20 and the rotating blades 22 at the same time at the same time during the dehydration stroke. It is preferable to comprise a type motor. Reference numeral '31b' is a sealing member inserted into the center of the partition wall 13 through which the shaft 31a penetrates to prevent washing water leakage.

The support device 32 is for firmly installing the drive motor 31 as described above, and is spaced apart from the base plate 14 by the fixed plate 32a on which the drive motor 31 is fixed and the fixed plate 32a. It is provided with a plurality of shock absorbing members 32b.

The fixing plate 32a is disposed to be spaced apart from the bottom plate via the buffer member 32b, and the bracket 31c of the drive motor 31 is firmly fixed to the center of the fixing plate 32a through a screw 31d.

The buffer member 32b is for buffering and supporting the fixed plate 32a on which the driving motor 31 is installed. The upper end is fixed to the lower side of the fixed plate 32a, and the lower end is coupled to the upper side of the base plate 14 so as to space them apart. It includes a spring (32c), and an elastic vibration-proof tube (32d) surrounding the outside of the shock absorbing spring (32c). At this time, the shock absorbing spring (32c) is preferably composed of a coil spring having a predetermined spring constant to absorb and support the vibration generated when the drive motor 31 is driven, the dust-proof tube (32d) is a buffer It is preferable that the spring 32c is constituted by a tube made of rubber material which is fitted with a margin.

Accordingly, the driving motor 31 is installed in the machine room 12 of the housing 10 via the fixing plate 32a and the shock absorbing member 32b, and the rotating tank installed in the laundry room 11 of the housing 10. 20 and the rotor blade 22 are directly connected to the shaft 31a of the driving motor 31, which is buffered and supported.

In addition, the machine room 12 of the housing 10 is provided with a drain hose 16 for discharging the wash water stored in the laundry room 12 to the outside during the drainage and dehydration stroke. One end of the drain hose 16 communicates with the bottom of the laundry room 11 through the partition wall 13, and the other end extends outside the housing 10, and a drain valve 17 is provided in the middle thereof.

Next will be described the operation and effect of the washing machine according to the present invention configured as described above.

First, when laundry is put into the rotating tub 20 and the washing machine is operated by operating the control panel, the washing water is supplied into the rotating tub 20. At this time, the detergent in the detergent dissolving apparatus (not shown) is also supplied with the wash water, and the washing water supplied to the rotating tub 20 is discharged through the dehydration hole 21 to wash the laundry room, which is the upper space of the housing 10 ( 11) is stored.

When an appropriate amount of washing water is stored in the laundry room 11, the rotary blade 22 directly connected to the drive shaft 31a is rotated forward and backward to form a washing water stream, thereby washing the laundry.

After this stroke is completed, the drain valve 17 is opened and the wash water stored in the laundry room 11 is discharged to the outside of the housing 10 through the drain hose 16.

In the dehydration stroke, the power of the driving motor 31 is simultaneously transmitted to the rotating tub 20 and the rotary vane 22. Accordingly, the rotating tub 20 is rotated at a high speed in one direction while maintaining a balance through the balancer 23, so that laundry is dehydrated.

On the other hand, the vibration generated by driving the drive motor 31 during washing and rinsing and dehydration stroke is reduced by the buffer member 32b for buffering and supporting it. That is, the driving motor 31 fixed to the fixed plate 32a is buffered and supported by the plurality of shock absorbing springs 32c, so that the vibration generated during operation is absorbed and removed by the elastic restoring force of the shock absorbing spring 32c, thereby operating noise as a whole. And vibration are significantly reduced.

As described above in detail, according to the washing machine according to the present invention, the washing water is freshly washed in the laundry room on the upper portion of the housing formed through the partition wall without a separate tank, so that the washing and rinsing administration is performed smoothly, thereby making the overall washing machine structure more compact. It is possible to, as well as the conventional water tank and also do not need a suspension device can be reduced manufacturing costs due to parts deletion.

In addition, since the driving motor for driving the rotating tub and the rotor blades is fully supported by the fixing plate and the plurality of shock absorbing springs, vibration generated during driving is more easily reduced, thereby preventing noise and product damage.

Claims (3)

A housing 10 in which the laundry room 11 and the machine room 12 in which the washing water is stored are partitioned vertically by the partition wall 13; Rotation tank 20 is installed in the laundry room 11 of the housing 10 to enable a rotational movement and the rotary blade 22 is disposed at the bottom thereof, A drive motor 31 installed in the machine room 12 of the housing 10 to drive the rotary tub 20 and the rotary blades 22; Washing machine characterized in that it comprises a support device 32 for buffering the drive motor (31). The method of claim 1, The lower plate 14 is mounted to the lower portion of the machine room 12, The support device 32 includes a fixed plate 32a to which the drive motor 31 is fixed, and a plurality of shock absorbing members 32b to support the fixed plate 32a to be spaced apart from the bottom plate 14. Washing machine. The method of claim 2, The shock absorbing member 32b has an upper end fixed to the fixing plate 32a and a lower end fixed to the bottom plate 14, and a dustproof material provided with an elastic material to surround the outer circumference of the shock absorbing spring 32c. Washing machine comprising a tube (32d).