KR20040069135A - A lift of drum type washing machine - Google Patents

Abstract

PURPOSE: A lift of a drum washing machine is provided to improve washing efficiency of the laundry by injecting water forcibly with collecting washing water in an opening unit installed in the lifting member and pouring washing water at a time in placing the lift in the upper part of the drum. CONSTITUTION: A drum washing machine includes a tub(60) storing washing water; a drum(70) rotated and arranged in the tub with containing the laundry, and composed of water holes(74); and a lift(80) lifting the laundry in rotating the drum. The lift is composed of a lifting member(82) installed in the inner periphery of the drum and composed of a drain hole(82a) draining water from the water hole of the drum into the drum, and an opening unit(90) installed in the lifting member for collecting water in the lifting member and pouring water in placing the lifting member in the upper part of the drum.

Description

A lift of drum type washing machine

The present invention relates to a lifter of a drum washing machine, and more particularly, to a lift of a drum washing machine capable of pouring washing water at the top of the drum at a time.

In general, a drum washing machine is a device for cleaning a laundry through washing, rinsing, and dehydration to remove contamination from clothes, bedding, and the like contained in the drum by using a detergent or washing water contained in the tub.

1 is a partially cutaway perspective view of a drum washing machine according to the prior art, FIG. 2 is an internal configuration diagram of the drum washing machine according to the prior art, and FIG. 3 is a cross-sectional view illustrating the inside of the drum washing machine according to the prior art.

1 to 3, the conventional drum washing machine has a casing (2) formed with an entrance hole (1) and the casing (2) to form an appearance and the laundry (m) to enter and exit the front, and the casing (2) A door (4) rotatably mounted on the front surface of the door (4) to open and close the access hole (1), a tub (6) supported bufferably in the casing (2), and into the tub (6) In the water supply device 10 for supplying detergent or washing water (w), the drainage device (12) for draining the washing water (w) in the tub (6) outside the casing (2), and in the tub (6) A drum 20 rotatably disposed to receive the laundry object m, a motor 30 for rotating the drum 20, and a lift for lifting the laundry object M contained in the drum 20; 40).

The tub 6 has an access hole 7 formed at the rear of the access hole 1 of the casing 2 so that the object to be dried (m) enters and exits the drum 20.

The drum 20 has an access hole 21 formed behind the entrance hole 1 of the casing 2 so that the dry object m can enter and exit, and a lower portion thereof is disposed in the wash water in the tub 6. It is arranged to be locked, a plurality of hand 22 is formed on the periphery and the back so that the wash water (w) in the tub (6) can enter and exit.

The lift 40 is mounted to protrude on the inner circumference of the drum 20 so that the laundry m placed on the inner lower portion of the drum 20 may be lifted to the inner upper portion of the drum 20 and dropped by its own weight. And a lifting member disposed long in the front-rear direction.

In addition, the lifting member 40 is formed with an empty space communicating with a part of the hand 22 of the drum 20, washing water (w) introduced through the hand 22 of the drum 20 is drained A drain hole 44 is formed to be.

Reference numeral 48 is a gasket disposed between the entrance hole 1 of the casing 2 and the entrance hole 7 of the tub 6.

Looking at the operation of the prior art configured as described above are as follows.

First, when the laundry (m) is introduced into the drum 20 and the door 4 is closed and the drum washing machine is operated, the water supply device 10 is supplied to the inner lower portion of the tub 6. Washed water (w) in which the detergent is dissolved is accumulated, and a lower portion of the drum (20) is immersed in the wash water (w) in which the detergent is dissolved, and the laundry (m) in the drum (20) is the drum ( Detergent introduced through the hand 22 of 20 is soaked in the dissolved wash water (w).

In addition, the inside of the lift 40 may contain the washing water w in which the detergent introduced through the hand 22 of the drum 20 is dissolved.

Then, when the motor 30 is driven so that the drum 20 is rotated, the laundry (m) accommodated inside the drum 20 is lifted up by the lift 40 and dropped while washing and washing water ( When the stain is dropped by the action of the w), the lift 40 is moved from the inner bottom to the inner top of the drum 20 to discharge the laundry water dissolved in the detergent through the hand 44 to wash the laundry ( increase the washing performance of w).

After the washing stroke is completed, the contaminated washing water in the tub 6 is drained to the outside of the washing machine through the drainage device 12.

On the other hand, the washing machine is a rinsing stroke is performed several times to rinse the remaining foam in the laundry (m), the clean water is not supplied to the detergent through the water supply device 10 is to be contained in the tub (6) When the motor 30 is driven and the drum 20 is rotated, the laundry m received inside the drum 20 is lifted up by the lift 40 and then rinsed off as the foam is rinsed. The lift 40 discharges clean wash water through the hand 44 to increase rinsing performance.

Contaminated water, including foam, is then drained out of the washing machine through the drainage device 12.

After several rinsing cycles as described above, the washing machine is dewatered to drain the laundry (m).

That is, when the motor 30 rotates the drum 20 at a high speed, the water in the laundry m is collected at the tub 6 through the hand 22 of the drum 20 while being centrifugally dehydrated. The drainage device 12 is drained to the outside of the washing machine.

However, since the lifter 40 of the drum washing machine according to the related art is drained little by little since the washing water introduced into the drum 20 reaches the middle height of the drum 20, the water jetting force is weak and great for improving the washing power of the laundry (w). There is a problem that does not help.

The present invention has been made to solve the above problems of the prior art, and an object thereof is to provide a lifter of a drum washing machine that can increase the washing power of the laundry.

1 is a partially cutaway perspective view of a drum washing machine according to the prior art,

2 is an internal configuration of a drum washing machine according to the prior art,

3 is a cross-sectional view of the interior of the drum washing machine according to the prior art,

4 is an internal configuration of a drum washing machine according to an embodiment of the present invention;

5 is a cross-sectional view of the inside of the drum washing machine according to an embodiment of the present invention;

6 is a partially cutaway perspective view of the drum washing machine in one embodiment when the lift is at the inner median height of the drum, FIG.

7 is a partially cutaway perspective view of the drum washing machine according to one embodiment of the invention when the lift is at the inner upper height of the drum.

<Explanation of symbols on main parts of the drawings>

52: casing 53: entrance hall

54: door 60: tub

61: access hole 62: water supply device

64: drainage 70: drum

72: entrance hall 74: handmade

78: motor 78a: axis of rotation

80: lift 82: lifting member

82a: drain hole 90; Switchgear

91: edge 92: center portion

95: first rubber plate 96: second rubber plate

100: pressure member

Lift of the drum washing machine according to the present invention for solving the above problems is a tub in which the wash water is contained, the drum is disposed rotatably inside the tub, the laundry is received, the hand is formed, and avoided when the drum rotates A drum washing machine comprising a lift for lifting laundry, the lift comprising: a lifting member mounted to an inner circumference of the drum and having a drain hole formed so that the washing water introduced through the drum's hand can be drained into the drum; And an opening / closing means installed in the lifting member so that the washing water flowing into the lifting member can be collected and spilled when the lifting member is positioned on the inner upper portion of the drum.

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

Figure 4 is an internal configuration of one embodiment of a drum washing machine according to the present invention, Figure 5 is a cross-sectional view of the interior of the embodiment of the drum washing machine according to the present invention.

4 and 5, in the drum washing machine according to the present embodiment, an entrance hole 53 is formed on the front surface of the casing 52 to allow the laundry m to enter and exit, and the entrance hole 53 is provided. The door 54 for opening / closing () is rotatably mounted.

The tub 60 is bufferably supported by the spring 56 or the damper 58 inside the casing 52.

The tub 60 is to contain the washing water (w) for washing the laundry (m), the water supply device 62 is connected to the upper one side, the drainage device 64 is connected to the lower one side.

The water supply device 62 supplies washing water w in which detergent is dissolved during the washing stroke to the inside of the tub 60, and supplies clean washing water w to the inside of the tub 60 during the rinsing stroke. The water supply valve 62a is connected to an external hose to regulate the wash water supplied, the water supply hose 62b is used to supply the wash water that has passed through the water supply valve 62a, and the water supply hose 62b. It consists of a detergent container 62c installed in the casing 52 to mix the guided wash water with detergent.

The drainage device (64) drains the washing water (w) from which the laundry to be washed (m) to the outside of the casing (52), and a drain hose for draining the washing water drained from the tub (60) to the outside. And a pump 64b or a drain valve (not shown) for pumping or intermitting the wash water drained to the drain hose 64a.

On the other hand, the tub 60 is formed with an access hole 61 to allow the laundry (m) to enter the rear of the access hole 53 of the casing 52, the inside of the washing water (w) lower The drum 70 to which is loaded is rotatably positioned, and on the rear thereof, a motor 78 having a rotating shaft 78a disposed horizontally or close to horizontal to support / rotate the drum 70 is mounted.

The drum 70 has a tubular shape lying sideways to accommodate the laundry (m) therein, and the access hole (m) to enter the laundry (m) behind the access hole 53 of the casing (52). 72) is formed.

In addition, the drum 70 is wash water (w) or clean washing water (w) in which detergent is dissolved during the washing or rinsing stroke is introduced into the drum 70 soaked in the laundry (m), dehydration stroke A plurality of manual holes 74 are formed on the circumferential surface and the rear surface of the washing water w separated from the laundry to be washed (m).

Then, the drum 70 is mounted with a lift 80 for lifting the laundry (w) so that the received laundry (m) is raised to the upper inside and fall by the weight.

The lift 80 is mounted in a plurality spaced apart in the circumferential direction of the drum (70).

Then, the lift 80 is mounted on the inner circumference of the drum 70 and the drain hole 82a so that the washing water introduced through the hand 74 of the drum 70 can be drained to the inside of the drum 70. A lifting member 82 formed thereon; Opening and closing means installed in the lifting member 80 to collect the washing water flowing into the lifting member 82 and to pour out at a time when the lifting member 82 is located inside the drum 60 ( 90).

The lifting member 82 is mounted to protrude on the inner circumference of the drum 70 by using a fastening means such as a hook, is disposed long in the front-rear direction, and communicates with a part of the hand 74 of the drum 70 therein. The space portion is formed.

The opening and closing means 90 is composed of a rubber valve whose edge 91 is fixed to the inner wall surface of the lifting member 82 and the central portion 92 is opened by opening.

The rubber valve has a central portion 92 protruding in the '∧' shape toward the inner circumference of the drum (70).

6 is a partially cutaway perspective view when the lift of one embodiment of the drum washing machine according to the invention is at the inner median height of the drum, and FIG. 7 is a view of the lift of one embodiment of the drum washing machine according to the present invention at the inner upper height of the drum. Some cutaway perspective view.

6 and 7, the rubber plate 90 has one end fixed to an inner surface of the lifting member 82 and the other end of the first and second rubber plates positioned at the inner center of the lifting member 82. Preferably, the first and second rubber plates 95 and 96 are in contact with each other so that the other ends thereof overlap each other.

One end of each of the first and second rubber plates 95 and 96 may be attached to the inner surface of the lifting member 82 with an adhesive (not shown) or thermally fused.

On the other hand, the lift 80 is a pressing member 100 which is located inside the lifting member 82 so as to press the other end of the first and second rubber plates (95, 96), which is the central portion of the rubber plate (90). It is configured to further include.

The pressing member 100 is made of a spherical weight body, it is preferable that a plurality is installed.

Reference numeral 110 is a gasket disposed between the entrance hole 53 of the casing 52 and the entrance hole 61 of the tub 60.

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

First, when the laundry (m) is introduced into the drum 70 and the door 54 is closed and the drum washing machine is operated, the water supply device 62 is supplied to the inner lower portion of the tub 60. Washed water (w) in which the detergent is dissolved is accumulated, and the lower portion of the drum (70) is immersed in the wash water (w) in which the detergent is dissolved.

At this time, the laundry (m) in the drum 70 is soaked in the washing water (w) in which detergent introduced through the hand 74 of the drum 70 is dissolved, and the inside of the lifting member 82 Is contained in the wash water (w) in which detergent introduced through a portion of the hand 72 of the drum 70 is dissolved.

Then, when the motor 78 is driven so that the drum 70 is rotated, the laundry m contained in the drum 70 is caught by the side of the lifting member 82 to the inner upper portion of the drum 70. After being lifted, it falls by its own weight, and the time when it is buried by the action of detergent and wash water drops.

On the other hand, the rubber plate (90) collects the washing water (w) dissolved in the detergent during the lifting of the laundry (m) as described above to the inside of the lifting member 82, the lifting member 82 is When it reaches the inner upper portion of the drum 70, the central portion 92 is opened by the weight of the pressing member 100 and the washing water w containing detergent, so that the washing water w containing the detergent is poured together. do.

In more detail, until the lifting member 82 reaches the inner upper portion of the drum 70, the weight of the washing water w including the detergent and the pressure member 100 are parallel to the rubber membrane 90. It does not open the central portion 92 of the rubber valve 90 because it acts in the direction, and when the lifting member 82 reaches the inner upper portion of the drum 70 and the washing water (w) containing detergent and pressurized The self weight of the member 100 acts in a direction orthogonal to the rubber valve 90 to open the central portion 92 of the rubber valve 90.

Washing water (w) containing detergent poured out at once by the opening of the central portion 92 of the rubber valve 90 is strongly sprayed through the drain hole (82a) of the lifting member 82, the laundry and the falling object drum The washing performance of the laundry (w) is improved while being strongly sprayed on the laundry (w) located in the lower inner side of (w).

On the other hand, the rubber plate 90, the center portion 92 is opened at the inner upper portion of the drum 70 is retracted by the elastic force and restored to its original state.

After the washing stroke is completed, the contaminated washing water in the tub 60 is drained to the outside of the washing machine through the drainage 64.

On the other hand, the washing machine is a rinsing stroke for rinsing the remaining foam in the laundry (m) several times, the clean washing water (w) is supplied through the water supply device 62 is to be contained in the tub 60, When the motor 78 is driven to rotate the drum 70, the washing object m contained inside the drum 70 is rinsed up by the lifting member 82, and the foam is rinsed while falling. At this time, the rubber valve 90 collects clean washing water w in the inside of the lifting member 82, such as a washing stroke, and then pours out at a time when the lifting member 82 reaches the inner upper portion of the drum 70. Improve the rinsing performance of the laundry (m).

The contaminated contaminated water is then drained out of the washing machine via the drain 64.

After several rinsing cycles as described above, the washing machine is dewatered to drain the laundry object m.

That is, when the motor 78 rotates the drum 70 at high speed, the water in the laundry m is collected in the tub 60 through the hand 74 of the drum 70 while being centrifugally dehydrated. The drainage device 64 is drained to the outside of the washing machine.

Lift of the drum washing machine according to the present invention is configured as described above, the opening and closing means installed in the lifting member collects the wash water and pours out at a time when the lift is located on the inner top of the drum, by the washing water is strongly sprayed There is an advantage that the cleaning power of the dry matter is improved.

In addition, the opening and closing means has an advantage that the edge is fixed to the inner wall surface of the lifting member and the rubber valve is opened in the center portion is simple in structure and less likely to malfunction.

In addition, the rubber valve has an advantage that the central portion protrudes toward the inner circumference of the drum, it is possible to more securely preserve the wash water until the lift reaches the inner upper portion of the drum.

In addition, the rubber plate membrane is composed of the first and second rubber plates, one end of which is fixed to the inner surface of the lifting member and the other end of which is located in the inner center of the lifting member, has the advantage of pouring the collected wash water within a short time.

In addition, the first and second rubber plates are in contact with the other end overlapping, there is an advantage that more precise control of the wash water.

In addition, the lift of the drum washing machine is configured to further include a pressing member located inside the lifting member so as to press the central portion of the rubber valve, there is an advantage that the opening operation of the rubber valve center portion can be made more smoothly have.

In addition, the pressing member is made of a spherical weight body is simple in structure and has the advantage of preventing the blockage of the central portion of the rubber plate by the pressing member.

Claims (7)

A drum washing machine including a tub in which washing water is contained, a drum rotatably disposed inside the tub and containing laundry, and a lift for lifting the laundry when the drum is rotated. The lift is mounted to the inner circumference of the drum and the lifting member is formed with a drain hole so that the washing water introduced through the hand of the drum can be drained into the drum; And an opening / closing means installed in the lifting member so that the washing water flowing into the lifting member can be collected and poured when the lifting member is positioned on the inner upper portion of the drum. The method of claim 1, The opening and closing means is a lifter of the drum washing machine, characterized in that the edge is fixed to the inner wall surface of the lifting member and the central portion is opened by opening the center. The method of claim 2, Lifting of the drum washing machine, characterized in that the central portion protrudes toward the inner circumference of the drum. The method of claim 2, The rubber plate membrane lift of the drum washing machine, characterized in that the one end is fixed to the inner surface of the lifting member and the other end is composed of the first and second rubber plates located in the inner center of the lifting member. The method of claim 4, wherein The first and second rubber plates are lifted of the drum washing machine, characterized in that the other end is in contact with each other. The method of claim 2, The lift of the drum washing machine, the lift of the drum washing machine, characterized in that it further comprises a pressing member located inside the lifting member to press the central portion of the rubber valve. The method of claim 6, The pressing member is a lift of a drum washing machine, characterized in that the weight of the spherical shape.