WO2017039214A1

WO2017039214A1 - Laundry processing machine

Info

Publication number: WO2017039214A1
Application number: PCT/KR2016/009344
Authority: WO
Inventors: 김진웅; 김성룡; 김영민; 곽병현; 서현석
Original assignee: 엘지전자 주식회사
Priority date: 2015-09-04
Filing date: 2016-08-23
Publication date: 2017-03-09
Also published as: KR20170028740A; EP3138946A1; CN106498658A; US20170067198A1; EP3138946B1; KR102488373B1

Abstract

Provided is a laundry processing machine which sprinkles washing water in a tub over laundry in a drum without a motor, thereby being capable of sufficiently soaking the laundry. To this end, the laundry processing machine by an embodiment of the present invention, comprises: a tub for receiving washing water; a drum for receiving laundry, the drum being rotatably arranged in the tub; and a lifter for lifting and tumbling the laundry by the rotational force of the drum, the lifter being arranged in the drum, wherein a drum hole is formed on the drum, the drum hole communicating with the inner space of the lifter, and a lifter hole is formed on the lifter, the lifter hole sprinkling washing water, which is introduced to the inner space from the tub through the drum hole, over the laundry in a predetermined rotational position of the drum.

Description

Laundry treatment equipment

The present invention relates to a laundry treatment apparatus, and more particularly, to a laundry treatment apparatus for performing a laundry by lifting and dropping laundry.

In general, a washing machine is classified into a top load washing machine which performs washing using a rotating water stream of washing water, and a drum washing machine which washes laundry by dropping the laundry.

That is, the top load washing machine is arranged such that the inner tank, which is a washing tank, rotates about a vertical direction with respect to the ground, and generates water flow while the pulsator provided on the bottom surface of the inner tank rotates, and the water flow and the laundry are rubbed or the Whereas the pulsator impacts the laundry to be washed, the drum washing machine is arranged such that the inner tub, which is the washing tub, rotates about the ground in a horizontal direction, and the laundry is rubbed against the inner wall of the inner tub while the tub is rotated. To be washed in the process of falling or falling.

The drum washing machine is provided with a lifter for lifting and dropping the laundry at the time of rotation of the inner screw drum. The lifters are spaced apart from each other in the circumferential direction of the drum in the circumferential direction of the drum, and are simultaneously rotated together with the drum.

The lifter protrudes to a predetermined height inside the drum, the protruding height being a height at which the laundry can be lifted when the drum rotates at high speed without lifting the laundry when the drum rotates at low speed. Is formed. That is, the lifter lifts and drops the laundry contained in the drum using the rotational force of the drum only when the drum rotates at a predetermined speed.

On the other hand, the drum is rotatably disposed in the tub that is the reservoir, washing water that collects on the bottom surface of the tub is so high as to flow into the bottom surface of the drum, so that the laundry contained in the drum is wet You lose.

However, when the amount of laundry in the drum is large, only the laundry disposed close to the bottom surface of the drum is wetted, so that all the laundry contained in the drum is sufficiently wetted so that the drum washing machine is laundered in the tub. A motor must be installed to raise the water to the top of the drum and sprinkle it into the laundry.

The problem to be solved by the present invention is to provide a laundry treatment apparatus capable of sufficiently wet the laundry by spraying the laundry in the tub with the laundry in the drum.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a laundry treatment machine according to an embodiment of the present invention, a tub in which the wash water is accommodated, a drum rotatably disposed in the tub and the laundry is accommodated, and the rotational force of the drum disposed in the drum And a lifter for lifting and dropping the laundry, wherein the drum includes a drum hole communicating with the inner space of the lifter, and the lifter includes washing water introduced into the inner space through the drum hole. Lifter holes are formed to spray the laundry at a predetermined rotation position of the drum.

Specific details of other embodiments are included in the detailed description and drawings.

In the laundry treatment machine according to the embodiment of the present invention, since the motor for raising the washing water in the tub to the upper side of the drum can be eliminated, the price is low, the weight is light, the electricity is saved, and the noise is reduced. There is.

The effects of the present invention are not limited to the above mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view showing a laundry treatment machine according to a first embodiment of the present invention,

2 is a cross-sectional view showing a drum and a lifter and a tub shown in FIG.

3 is a view showing the outside and the lifter of the drum shown in FIG.

4 is a front perspective view showing the lifter shown in FIG. 1;

5 is a sectional view showing the lifter shown in FIG. 4;

6 is a rear perspective view of the lifter shown in FIG. 1;

7 is a view showing a lifter of a laundry treatment machine according to a second embodiment of the present invention;

8 is a view showing a lifter of a laundry treatment machine according to a third embodiment of the present invention;

9 is a front perspective view showing a lifter of a laundry treatment machine according to a fourth embodiment of the present invention;

10 is a rear perspective view showing a lifter of a laundry treatment machine according to a fourth embodiment of the present invention;

11 is a bottom view showing a lifter of a laundry treatment machine according to a fourth embodiment of the present invention.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art to which the present invention pertains. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, a laundry treatment apparatus according to an embodiment of the present invention will be described with reference to the drawings.

Laundry processing apparatus according to an embodiment of the present invention includes all devices for processing the fabric. Specifically, it includes a washing machine for removing contamination of the laundry by using the washing water, and a combined washing machine having both a washing function and a drying function.

1 is a perspective view showing a laundry treatment machine according to a first embodiment of the present invention.

Referring to FIG. 1, the laundry treatment apparatus according to the first embodiment of the present invention may include a cabinet 2 and a control panel 4 installed in the cabinet 2.

The cabinet 2 may be a case forming an exterior of the laundry treatment machine. The cabinet 2 may be formed with a portal entrance 3 for entering the interior of the carriage 2. A tub (not shown in FIG. 2) in which the washing water is contained may be installed in the cabinet 2.

Inside the tub can be installed rotatably the drum 40 is contained. Inside the cabinet 2, a motor (not shown) for rotating the drum 40 may be installed.

The cabinet 2 may be configured by bending one member a plurality of times, or may be configured by combining a plurality of members. The cabinet 2 has a base fan (not shown), a cabinet body 8 installed in the base fan and having a space for accommodating the tub, and disposed in front of the cabinet body 8. It may include a cabinet cover 10 is formed, and the top cover 12 disposed on the cabinet body (8).

The cabinet body 8 may be composed of one member and may be composed of a plurality of members. The cabinet body 8 may include a left cover disposed on the upper left side of the base fan, a right cover disposed on the upper right side of the base fan, and a rear cover disposed on the rear portion of the base fan. The cabinet 2 may be various combinations of a plurality of members, and various modifications are also possible.

The cabinet 2 may be provided with a door 14 that opens and closes the portal entrance 3. The door 14 is rotatably connected to the cabinet 2 to open and close the gun door 3, and is slidably arranged on the cabinet 2 to open and close the gun door 3. The door 14 is connected to the cabinet 2 by a hinge mechanism, and rotates around the hinge mechanism to open and close the gun entrance 3.

The control panel 4 may include an operation unit for operating the laundry treatment machine. The control panel 4 may include a display unit for displaying information of the laundry treatment machine. The control panel 4 can include the operation part and the display part together. The control panel 4 may be installed in the cabinet 2. The control panel 4 may be disposed above the cabinet cover 10. The control panel 4 may be located above the front of the cabinet 2 and may constitute part of the exterior of the laundry treatment machine.

The control panel 4 may include a control panel body 20. The control panel body 20 may form an appearance of the control panel 4. The control panel body 20 may be positioned above the cabinet cover 10, and the control panel body 20 may include an operation unit that can be operated by a user, and a display unit that may display various information of a laundry treatment device to the outside. Can be located.

The control panel 4 may include a rotary knob 50 that the user can hold and manipulate by hand. The rotary knob 50 may be installed to select various courses of the laundry treatment apparatus, and the user may select various courses of the laundry treatment apparatus by holding and rotating the rotary knob 50. An opening 22 having a larger size than the rotary knob 50 may be formed in the control panel body 20. The rotary knob 50 may be disposed so that the front part is located in front of the opening 22.

The control panel 4 may include a knob deco 56 positioned around the rotary knob 50. The knob deco 56 may be located between the outer circumference of the rotary knob 50 and the opening 22. The knob deco 56 may enhance the appearance around the rotary knob 50, and may have the same color on the outer surface of the control panel body 20.

The control panel 4 may further include a window 82 disposed to surround the outer circumference of the rotary knob 50. The laundry treatment machine may further include a light source for irradiating light to the window 82, the light irradiated to the window 82 may pass through the window 82, and the user may receive the light irradiated to the window 82. Various information of the laundry treatment apparatus can be recognized by looking at the shape and the position of the light. A portion of the window 82 may be exposed to the outside through the knob deco 56 and the opening 22, and light may be irradiated through the portion exposed to the outside.

The lifter 45 may be installed inside the drum 40. The lifter 45 may be installed in plurality, spaced apart at equal intervals along the inner circumferential surface of the drum 40. The lifter 45 may be rotated together with the drum 40 at the time of rotation of the drum 40. The lifter 45 may lift and drop the laundry accommodated in the drum 40 by using the rotational force of the drum 40 to allow the laundry to be washed. The lifter 45 may not lift laundry contained in the drum 40 when the drum 40 rotates at a low speed, and lifts and drops laundry contained in the drum 40 when the drum 40 rotates at a high speed. You can.

FIG. 2 is a cross-sectional view showing the drum and the lifter shown in FIG. 1 and the tub, and FIG. 3 is a view showing the outside and the lifter of the drum shown in FIG.

2 and 3, the drum 40 may be provided with a drum hole 41 for guiding the wash water contained in the tub 30 to the inner space of the lifter 45. The drum holes 41 are formed to be spaced apart from each other at equal intervals along the rotation axis direction (hereinafter, axial direction) of the drum 40. The drum hole 41 is preferably formed to communicate with the inner space of the lifter 45 so that the wash water accommodated in the tub 30 can flow into the inner space of the lifter 45 through the drum hole 41. The number of the drum holes 41 is not limited to three, and may be formed at one or more positions corresponding to the inner space of the lifter 45.

The drum 40 may further include a scoop 42 on one side of the drum hole 41. The scoop 42 may be formed such that the outer side of the drum 40 is concave and the inner side of the drum 40 is convex. The scoop 42 is preferably formed at one side of the drum hole 41 to guide the wash water in the tub 40 to the drum hole 41 only when the drum 40 rotates in one direction. Here, one direction in which the drum 40 is rotated means clockwise. When the drum 40 is rotated in the clockwise direction, the scoop 42 is preferably disposed in the clockwise direction than the drum hole 41. That is, only when the drum 40 rotates in the clockwise direction, the scoop 42 guides the washing water in the tough 30 to the drum hole 41 and flows into the inner space of the lifter 45 through the drum hole 41. To be possible.

And, the lifter 45 is formed with a lifter hole (45a) for spraying the laundry water introduced into the inner space in the tub 30 through the drum hole 41 to the laundry at a predetermined rotational position of the drum (40). . That is, the washing water introduced into the inner space of the lifter 45 through the drum hole 41 at the position A of FIG. 2 is discharged through the lifter hole 45a at the position B of FIG. 2 so as to be sprinkled from the upper side of the laundry. do. In order to allow the washing water introduced into the inner space of the lifter 45 to be sprayed to the upper side of the laundry, the lifter hole 45a is formed in a direction perpendicular to the tangent of the drum 40. A position of FIG. 2 is a position where the lifter 45 passes through the bottom surface of the tub 30, and means the position where the washing water is accumulated in the tub 30.

The lifter 45 is provided with three pieces, and is arranged one by one at intervals of 120 degrees in the circumferential direction on the inner circumferential surface of the drum 40. That is, in FIG. 2, the A position and the B position are 120 degrees apart. In the present embodiment, the washing water introduced into the inner space of the lifter 45 through the drum hole 41 at the A position is discharged through the lifter hole 45a at the B position where the drum 40 is rotated 120 degrees. Can be sprinkled with me and laundry. Of course, the lifter 45 is not necessarily limited to being provided with three.

4 is a front perspective view showing the lifter shown in FIG. 1, and FIG. 5 is a sectional view showing the lifter shown in FIG. 4.

4 and 5, the lifter 45 is formed long in the axial direction. The lifter 45 has a round face 46 most protruding into the drum 40 and a first inclined face 47 disposed on one side of the round face 46 in a one-direction rotational direction (clockwise) of the drum 40. And a second inclined surface 48 disposed on the other side of the round surface 46 in the other direction of rotation of the drum 40, the round surface 46, the first inclined surface 47, and the second inclined surface 48. And a front surface 49 extending at the front end of the rear surface 46, and a rear surface (not shown) extending from the rear ends of the round surface 46, the first inclined surface 47, and the second inclined surface 48.

The round surface 46 is formed as a convex curved surface toward the center of the drum 40, the first inclined surface 47 and the second inclined surface 48 is inclined at a predetermined angle with respect to the inner surface of the drum 40, It is formed flat throughout. The inner angle a between the first inclined surface 47 and the inner surface of the drum 40 is formed at a first angle, and the inner angle b between the second inclined surface 48 and the inner surface of the drum 40 is It is formed at a second angle greater than the first angle. In the present embodiment, the first angle is formed at 48 degrees.

One end of the first inclined surface 47 and the second inclined surface 48 may extend from the round surface 46, and the other end may be coupled to the drum 40.

And the lifter hole 45a is formed in the round surface 46 and the 1st inclined surface 47, and is not formed in the 2nd inclined surface 48. As shown in FIG. The lifter holes 45a are formed in plural, spaced apart at equal intervals over the entire first inclined surface 47, and correspond to the lifter holes 45a formed in the first inclined surface 47 on a part of the round surface 46. Is formed. A plurality of lifter holes 45a are arranged in one row on the round surface 46, and a plurality of lifter holes 45a are arranged in a plurality of rows on the first inclined surface 47.

In this embodiment, the hole ratio of the lifter 45 has 0.8. The hole ratio is a lifter hole 45a of the linear length L from the center of the lifter hole 45a disposed closest to the center of the drum 40 as shown in FIG. 5 to the end of the first inclined surface 47. The length occupied by) is divided by the remaining length.

6 is a rear perspective view illustrating the lifter shown in FIG. 1.

2 and 6, the fastening structure for mounting the lifter 45 to the drum 40 is formed on the rear surface of the lifter 45 and the drum 40. The fastening structure includes a first sliding hole 43a, a second sliding hole 43b, and a fastening hole 44 formed in the drum 40, a sliding protrusion 45b and a fastening part 45c formed in the lifter 45. It includes.

The first sliding hole 43a and the second sliding hole 43b are formed to be spaced apart from the drum hole 41 to one side, and the fastening hole 44 is formed to be spaced apart from the drum hole 41 to the other side.

The first sliding hole 43a is formed long in the axial direction, and a width in the direction orthogonal to the axial direction is wider than the second sliding hole 43b. The second sliding hole 43b extends from the first sliding hole 43a and is elongated in the axial direction, and the width of the second sliding hole 43b is smaller than that of the first sliding hole 43a.

The sliding protrusion 45b is formed long in the axial direction. The sliding protrusion 45b is formed at one side in the lifter 45, and more specifically, is formed at the first inclined surface 47. The fastening part 45c is formed on the other side in the lifter 45, and more specifically, is formed on the second inclined surface 48.

The sliding protrusion 45b is inserted into the first sliding hole 43a formed in the drum 40, and then slides from the first sliding hole 43a to the second sliding hole 43b to be coupled to the drum 40. When the sliding protrusion 45b is positioned in the second sliding hole 43b and coupled to the drum 40, the first sliding hole 43a communicates with the inner space of the lifter 45. Therefore, when the drum 40 rotates in one direction, the wash water in the tub 30 flows into the inner space of the lifter 45 through the drum hole 41 and also lifts through the first sliding hole 43a. It can be introduced into the interior space of 45).

The sliding protrusion 45b has a length and width corresponding to the length and width of the second sliding hole 43b so that the sliding protrusion 45b may be in close contact with the second sliding hole 43b and coupled to the drum 40. Preferably formed.

The fastening part 45c is inserted into a screw, which is a fastening member, and coupled to the drum 40. That is, the screw is penetrated through the fastening hole 44 on the outside of the drum 40 and then inserted into and fastened to the fastening part 45c, so that the other side of the lifter 45 is coupled to the drum 40.

As described above, the lifter 45 is slidably coupled to the drum 40 through the sliding protrusion 45b on only one side of the drum 40 in one direction of rotation, and the drum 40 on the other side through the fastening portion 45c. When the drum 40 rotates in one direction, the wash water in the tub 30 flows into the inner space of the lifter 45 through the drum hole 41 and the first sliding hole 43a. The washing water introduced into the inner space does not escape through the other side of the lifter 45, so that the washing water introduced into the liter 45 is rotated through the lifter hole 45a at a position where the drum 40 is rotated to a predetermined position. Allow to be sprinkled with laundry.

The sliding protrusion 45b is coupled to the second sliding hole 43b to couple one side of the lifter 45 to the drum 40 first, and then the screw is inserted into the fastening hole 44 and the fastening part 45c to lift the lifter. By engaging the other side of 45, the process of attaching the lifter 45 to the drum 40 can be completed.

The lifter 45 is open to the surface in contact with the inner surface of the drum (40). A plurality of dividing walls 45d for dividing the inner space into a plurality of are formed inside the lifter 45. The partition wall 45d may extend from the first inclined surface 47, the rounded surface 46, and the second inclined surface 48. In the dividing wall 45d, a recess 45e in which a part of the side facing the inner surface of the drum 40 is recessed is formed. The depression 45e is disposed at a position corresponding to the drum hole 41 and the scoop 42 formed in the drum 40. The wash water moved to the inner space of the lifter 45 through the drum hole 41 may move in the axial direction within the lifter 45 through the recess 45e. A portion of the dividing wall 45d extending from the second inclined surface 48 may extend from the fastening portion 45c.

7 is a view showing a lifter of a laundry treatment machine according to a second embodiment of the present invention. Here, the same reference numerals are given to the same components as those in the above-described first embodiment, and detailed description thereof will be omitted, and only different points will be described.

Referring to Figure 7, it can be seen that the lifter 145 of the laundry treatment machine according to the second embodiment of the present invention is different from the lifter 45 of the first embodiment described above. That is, in the above-described first embodiment, the lifter holes 45a are formed in plural spaced apart at equal intervals over the entire first inclined surface 47, and the first inclined surface 47 is formed on a part of the rounded surface 46. The lifter hole 45a is formed to correspond to the formed lifter hole 45a. However, in the second embodiment, the lifter hole 45a is plurally spaced at equal intervals over the entire first inclined surface 47, but is the same as the first embodiment. The plurality of round faces 46 are spaced at equal intervals and formed in plural, different from the first embodiment. In the second embodiment, the plurality of lifter holes 45a formed in the round surface 46 are arranged in three rows.

8 is a view showing a lifter of a laundry treatment machine according to a third embodiment of the present invention. Here, the same reference numerals are given to the same components as those in the above-described first embodiment, and detailed description thereof will be omitted, and only different points will be described.

Referring to FIG. 8, it can be seen that the lifter 245 of the laundry treatment machine according to the third embodiment of the present invention is different from the lifter 45 of the first embodiment. That is, in the above-described first embodiment, the lifter holes 45a are formed in plural spaced apart at equal intervals over the entire first inclined surface 47, and the first inclined surface 47 is formed on a part of the rounded surface 46. The lifter hole 45a is formed to correspond to the formed lifter hole 45a. However, in the third embodiment, the lifter hole 45a is plurally spaced at equal intervals over the entire first inclined surface 47, but is the same as the first embodiment. , Which is not formed on the round face 46 is different from the first embodiment.

In the lifter 245 of the third embodiment, the first inclined surface 47 on which the lifter holes 45a are formed is formed asymmetrically back and forth with respect to the center in the axial direction, so that the lifter when the drum 40 rotates in one direction. 245 may be moved to a predetermined position with the wash water in the inner space.

9 is a front perspective view showing a lifter of a laundry treatment machine according to a fourth embodiment of the present invention, FIG. 10 is a rear perspective view showing a lifter of a laundry treatment machine according to a fourth embodiment of the present invention, and FIG. The bottom view which shows the lifter of the laundry processing apparatus which concerns on 4th Example. Here, the same reference numerals are given to the same components as those in the above-described first embodiment, and detailed description thereof will be omitted, and only different points will be described.

9 to 11, it can be seen that the lifter 345 of the laundry treatment machine according to the fourth embodiment of the present invention is different from the lifter 45 of the first embodiment described above. That is, although the lifter 45 of the first embodiment described above has the lifter hole 45a formed on the rounded surface 46 and the first inclined surface 47, the lifter 345 of the fourth embodiment has the lifter hole 45a. It is formed only in this round face 46. The plurality of lifter holes 45a formed in the lifter 345 of the fourth embodiment are arranged in one row on the round surface 46.

In addition, the first sliding hole 43a and the second sliding hole 43b are formed to be spaced apart from the drum hole 41 to one side in the drum 40 of the first embodiment, and the fastening hole 44 is formed in the drum hole. Although it is formed to be spaced apart from the other side 41, the first sliding hole 43a and the second sliding hole 43b are formed to be spaced apart from the drum hole 41 in the drum 40 of the fourth embodiment. The same as the first embodiment, except that the third sliding hole 44a and the fourth sliding hole 44b are formed to be spaced apart from the drum hole 41 to the other side. Here, the third sliding hole 44a has the same structure and function as the first sliding hole 43a, and the fourth sliding hole 44b has the same structure and function as the second sliding hole 43b.

In addition, although the sliding protrusion 45b is formed only on the first inclined surface 47 and the fastening portion 45c is formed on the second inclined surface 48, the lifter 45 of the first embodiment described above is provided in the fourth embodiment. In the first inclined surface 47 and the second inclined surface 48, the sliding

projections

45b and 45f are formed. That is, the sliding

protrusions

45b and 45f are slid from the first sliding hole 43a to the second sliding hole 43b to be coupled to the first sliding protrusion 45b and the fourth sliding hole in the third sliding hole 44a. And a second sliding protrusion 44f that is slid into the hole 44b.

When the first sliding protrusion 45b is located in the second sliding hole 43b, the first sliding hole 43a is opened so that the washing water in the tub 30 when the drum 40 rotates in one direction may be a drum hole ( 41 and the first sliding hole 43a to be introduced into the inner space of the lifter 345.

On the other hand, a shielding wall 45g is further formed on one side of the second sliding protrusion 45f. The shielding wall 45g shields the third sliding hole 44a when the second sliding protrusion 45f is positioned in the fourth sliding hole 44b so that the lifter 345 when the drum 40 is rotated in one direction. Wash water contained in the inner space of the) to prevent the escape through the third sliding hole (44a).

In addition, a fastening hole 44 having a configuration corresponding to the fastening hole 44 of the first embodiment may be further formed in the drum 40 of the fourth embodiment. One fastening hole 44 may be formed at a portion corresponding to the front portion of the lifter 345, and one may be formed at a portion corresponding to the rear portion of the lifter 345.

The lifter 345 may further include a fastening part 45c having a configuration corresponding to the fastening part 45c of the first embodiment. The fastening part 45c may be coupled to the drum 40 through a screw which is a fastening member similarly to the first embodiment. That is, the lifter 345 may be firmly coupled to the drum 40 by the fastening member penetrating the fastening hole 44 from the outside of the drum 40 is inserted into the fastening portion 45c and fastened.

As described above, in the laundry treatment apparatus according to the embodiment of the present invention, after washing water in the tub 30 flows into the inner space of the

lifters

45, 145, 245 and 345 through the drum hole 41, the predetermined rotational position of the drum 40. Since it is sprinkled with laundry through the lifter hole 45a, the motor for lifting the washing water in the tub 30 to the upper side of the drum 40 can be eliminated, so that the price is low, the weight is light, and the electricity is reduced. It is saved and noise is reduced.

Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is indicated by the scope of the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalent concept are included in the scope of the present invention. Should be interpreted.

Claims

Tub for washing water;

A drum rotatably disposed in the tub and containing laundry; And

A lifter disposed in the drum and lifting and dropping the laundry by the rotational force of the drum;

The drum is provided with a drum hole communicating with the inner space of the lifter, the lifter is to spray the laundry water introduced into the inner space in the tub through the drum hole, the laundry at a predetermined rotational position of the drum Laundry treatment equipment is formed a lifter hole.
The method according to claim 1,

The drum is a laundry treatment device is formed on one side of the drum hole is further formed with a scoop for guiding the washing water in the tub to the drum hole.
The method according to claim 2,

The scoop has a laundry processing apparatus in which the outer side of the drum is concave and the inner side of the drum is convex.
The method according to claim 2,

The scoop is laundry treatment device for guiding the washing water to the drum hole when the drum rotates in one direction.
The method according to claim 1,

The lifter hole laundry processing machine is formed in a direction perpendicular to the tangent of the drum.
The method according to claim 1,

The lifter is disposed on the other side of the round surface that protrudes most into the drum, the first inclined surface disposed on one side of the round surface in one direction of rotation of the drum, and the round surface in the other direction of rotation of the drum. Including a second inclined surface,

And the lifter hole is formed on the round surface and the first inclined surface.
The method according to claim 6,

The lifter hole, the laundry treatment apparatus is formed in a plurality of spaced at equal intervals throughout the first inclined surface, and formed to correspond to the lifter hole formed in the first inclined surface on a portion of the round surface.
The method according to claim 6,

The lifter hole, the laundry treatment apparatus is formed in plurality on the whole of the round surface and the first inclined surface spaced apart at equal intervals.
The method according to claim 1,

The lifter is disposed on the other side of the round surface that protrudes most into the drum, the first inclined surface disposed on one side of the round surface in one direction of rotation of the drum, and the round surface in the other direction of rotation of the drum. Including a second inclined surface,

The lifter hole laundry processing device is formed on the first inclined surface.
The method according to claim 9,

The lifter hole, the laundry treatment apparatus is formed in plurality on the whole of the first inclined surface spaced apart at equal intervals.
The method according to claim 9,

The first inclined surface is laundry laundry machine formed asymmetrically around the axial center.
The method according to claim 1,

The lifter is disposed on the other side of the round surface that protrudes most into the drum, the first inclined surface disposed on one side of the round surface in one direction of rotation of the drum, and the round surface in the other direction of rotation of the drum. Including a second inclined surface,

The lifter hole laundry processing device is formed on the round surface.
The method according to claim 1,

The lifter is disposed on the other side of the round surface that protrudes most into the drum, the first inclined surface disposed on one side of the round surface in one direction of rotation of the drum, and the round surface in the other direction of rotation of the drum. Including a second inclined surface,

The first inclined surface is laundry formed with an inner angle between the inner surface of the drum at a first angle, the second inclined surface laundry is formed with a second angle greater than the first angle between the inner surface of the drum Processing equipment.
The method according to claim 1,

In the drum,

A first sliding hole communicating with the inner space of the lifter and a second sliding hole extending from the first sliding hole and having a smaller width in a direction orthogonal to the axial direction than the first sliding hole are spaced apart from one side of the drum hole. Become more formed,

The fastening hole is further formed spaced apart from the drum hole to the other side,

The lifter,

Sliding protrusion is further formed by sliding from the first sliding hole to the second sliding hole,

The laundry treatment machine further comprises a fastening part to which the fastening member penetrating the fastening hole is inserted and fastened.
The method according to claim 1,

In the drum,

A first sliding hole communicating with the inner space of the lifter and a second sliding hole extending from the first sliding hole and having a smaller width in a direction orthogonal to the axial direction than the first sliding hole are spaced apart from one side of the drum hole. Become more formed,

A third sliding hole and a fourth sliding hole extending from the third sliding hole and having a smaller width in a direction orthogonal to the axial direction than the third sliding hole, are further spaced apart from the drum hole to the other side;

The lifter,

A first sliding protrusion is formed by sliding from the first sliding hole to the second sliding hole,

The laundry further includes a second sliding protrusion which is slid from the third sliding hole to the fourth sliding hole and a shielding wall that shields the third sliding hole when the second sliding protrusion is positioned in the fourth sliding hole. Processing equipment.
The method according to claim 15,

Fastening holes are further formed in the drum,

And a fastening part to which the fastening member penetrating the fastening hole is inserted into the lifter and is fastened.