KR20130070805A - Pulsator for washing machine - Google Patents

Pulsator for washing machine Download PDF

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Publication number
KR20130070805A
KR20130070805A KR1020110138015A KR20110138015A KR20130070805A KR 20130070805 A KR20130070805 A KR 20130070805A KR 1020110138015 A KR1020110138015 A KR 1020110138015A KR 20110138015 A KR20110138015 A KR 20110138015A KR 20130070805 A KR20130070805 A KR 20130070805A
Authority
KR
South Korea
Prior art keywords
protrusion
washing machine
pulsator
main
main protrusion
Prior art date
Application number
KR1020110138015A
Other languages
Korean (ko)
Inventor
이영배
Original Assignee
동부대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 동부대우전자 주식회사 filed Critical 동부대우전자 주식회사
Priority to KR1020110138015A priority Critical patent/KR20130070805A/en
Publication of KR20130070805A publication Critical patent/KR20130070805A/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F13/00—Washing machines having receptacles, stationary for washing purposes, with agitators therein contacting the articles being washed 
    • D06F13/08—Washing machines having receptacles, stationary for washing purposes, with agitators therein contacting the articles being washed  wherein the agitator has a gyratory or orbital motion
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
    • D06F17/08—Driving arrangements for the impeller
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
    • D06F17/10—Impellers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/40—Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

Disclosed is a pulsator for a washing machine. The disclosed washing machine pulsator includes: a base portion, a rotating shaft portion positioned at the center of rotation of the base portion, a main protrusion portion projected from the base portion and hinged to the main protrusion portion, and hinged to the main protrusion portion and rotated according to the rotation direction of the main protrusion portion. Characterized in that the auxiliary projection having a direction change.

Description

Pulsator for washing machine {PULSATOR FOR WASHING MACHINE}

The present invention relates to a washing machine pulsator, and more particularly, to a washing machine pulsator that can improve the washing efficiency by forming a uniform water flow regardless of the rotation direction of the pulsator.

Generally, a washing machine is an apparatus for separating contaminants by applying energy such as an impact to laundry, and a drum type washing machine and a pulsator type washing machine are used according to the washing type.

In the drum type washing machine, washing is performed by an impact caused by friction or drop with the inner wall of the washing tank while the laundry put into the rotating tank rotates with water.

In the pulsator-based washing machine, the rotating tub rotates vertically from the ground while the pulsator in the rotating tub rotates to wash laundry by the water stream generated during the rotating pulsator.

The pulsator type washing machine includes a tub in which water required for washing is stored in the housing forming the exterior, a rotating tub rotatably installed in the tub and having a pulsator at the bottom thereof, and a driving unit for driving the rotating tub and the pulsator. do.

Background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 1999-0021443 (published on June 25, 1999, titled Invention: Pulsator of a washing machine).

As the pulsator of the washing machine rotates in the forward and reverse directions, water flows for washing the laundry are formed differently, and the washing efficiency of the laundry decreases. Therefore, there is a need to improve this.

The present invention was created by the necessity as described above, an object of the present invention is to provide a washing machine pulsator that can improve the washing efficiency by forming a uniform water flow irrespective of the rotation direction of the pulsator.

The pulsator for a washing machine according to the present invention includes: a base portion, a rotating shaft portion positioned at the center of rotation of the base portion, a main protrusion and a main protrusion connected to the rotating shaft portion protruding from the base portion and hinged to the rotation direction of the main protrusion. It includes an auxiliary protrusion that is rotated according to the direction.

In addition, a plurality of main projections are provided on the outer side of the rotation shaft portion is provided radially toward the edge of the base portion from the rotation shaft portion, it is preferable that the auxiliary projections connected to the main projection portion is provided in the same number as the number of the main projection portion.

In addition, the auxiliary protrusion is preferably provided between the edge of the base portion and the main protrusion, rotatably installed in the horizontal direction from above the base portion.

In addition, it is preferable that the base portion and the main projection portion further comprises a plurality of water holes through which the wash water and the air bubbles move.

In addition, the present invention preferably further includes a guide protrusion member which protrudes above the base portion where the main protrusion is not located to rotate the wash water and the laundry.

In the washing machine pulsator according to the present invention, since the rotation direction of the auxiliary protrusion is changed in accordance with the rotation direction of the pulsator to form a uniform water flow, it is possible to improve the washing efficiency and reduce the entanglement of the laundry.

1 is a perspective view schematically showing a pulsator for a washing machine according to an embodiment of the present invention.
2 is a perspective view schematically showing an auxiliary protrusion separated from the main protrusion according to an embodiment of the present invention.
Figure 3 is a plan view schematically showing a pulsator for a washing machine according to an embodiment of the present invention.
4 is a plan view schematically showing a state in which a washing machine pulsator according to an embodiment of the present invention is rotated in a clockwise direction.
5 is a plan view schematically illustrating a state in which a washing machine pulsator according to an embodiment of the present invention is rotated counterclockwise.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a washing machine pulsator according to the present invention. For convenience of explanation, a washing machine pulsator used in a home washing machine will be described 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 below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a perspective view schematically showing a pulsator for a washing machine according to an embodiment of the present invention, Figure 2 is a perspective view schematically showing an auxiliary projection separated from the main projection according to an embodiment of the present invention, Figure 3 is a plan view schematically showing a washing machine pulsator according to an embodiment of the present invention, Figure 4 is a plan view schematically showing a state in which the washing machine pulsator according to an embodiment of the present invention is rotated in a clockwise direction 5 is a plan view schematically illustrating a state in which a washing machine pulsator according to an embodiment of the present invention is rotated counterclockwise.

As shown in Figures 1 to 3, the washing machine pulsator 1 according to an embodiment of the present invention, the base portion 10, the rotating shaft portion 20 is located at the center of rotation of the base portion 10 ) And a main protrusion 30 hinged to the main protrusion part 30 and the main protrusion part 30 connected to the rotation shaft part 20, protruding from the base part 10, and the rotating direction of the main protrusion part 30 is changed. Auxiliary protrusion 40 is included.

The base part 10 is formed in various shapes within the technical idea of supporting the rotating shaft part 20 and the main protrusion part 30.

The base portion 10 may be deformed into various shapes, including a disk shape.

Base portion 10 according to an embodiment, a circular plate-shaped base body 11 and the edge formed along the circumference of the base body 11 integrally formed with the rotating shaft portion 20 and the main protrusion 30 ( 12).

The lower side of the base body 11, a rib-shaped rib member (not shown) can be installed in the longitudinal direction, the rib member is provided radially in the lower portion of the rotating shaft portion (20).

Since the rotating shaft portion 20 protruding upward from the rotation center of the base portion 10 is coupled to the shaft member that is rotated by the driving force of the motor, the washing machine pulsator 1 is rotated about the rotating shaft portion 20. .

The main protrusion part 30 protruding from the base part 10 and connected to the rotary shaft part 20 may be formed in various shapes within the technical concept of forming the same water flow by the rotation of the pulsator 1 for the washing machine.

The main protrusion part 30 and the base part 10 may be injection molded integrally, and various modifications may be performed, such as being separately molded and assembled.

The main protrusion 30 according to the exemplary embodiment is radially installed toward the rim 12 of the base 10 from the rotation shaft 20.

Since the cross-sectional area of the main protrusions 30 is formed in a curved shape, the main protrusions 30 reduce friction generated in contact with the wash water.

In addition, from one side of the main projection portion 30 connected to the rotation shaft portion 20, toward the other side of the main projection portion 30 provided closer to the edge 12 of the base portion 10, the cross-sectional area of the main projection portion 30 Gradually decreasing.

That is, the cross-section of the other side of the main protrusion 30 located far from the rotation shaft 20 is formed narrower than the cross-sectional area of one side of the main protrusion 30 which is in contact with the rotation shaft 20.

In addition, since the base portion 10 and the main protrusion portion 30 are provided with a plurality of water holes 16 and 32 through which the washing water and the air bubbles are moved, the washing efficiency is improved.

On the other hand, the guide protrusion member 14 protruding to the upper side of the base portion 10 in which the main protrusion part 30 is not located, protrudes to a height smaller than the protrusion height of the main protrusion part 30 to rotate the wash water and the laundry. To form a stream of water;

The guide protrusion member 14 protrudes radially about the rotating shaft part 20, and a plurality of guide protrusion members 14 are provided between the main protrusion part 30 and the neighboring main protrusion part 30.

Since the guide protrusion 14 protrudes in the shape of a protrusion along the base body 11, the washing water and the water flowing to rotate the base body 11 are formed to improve the washing efficiency.

Since the main protrusion part 30 and the guide protrusion member 14 are formed radially toward the same direction, the water flow of the same type is formed in accordance with the rotation of the pulsator 1 for the washing machine.

Since the auxiliary protrusion 40 is hinged to the other side of the main protrusion 30, the position of the auxiliary protrusion 40 is variable according to the rotational direction of the washing machine pulsator 1.

That is, the auxiliary protrusion part 40 may be formed in various shapes within the technical concept that the direction of rotation is changed according to the rotation direction of the main protrusion part 30.

The auxiliary protrusion 40 according to the exemplary embodiment is installed between the edge 12 of the base 10 and the main protrusion 30, and is rotatably installed in a horizontal direction from the upper side of the base 10. .

Since the round part 42 is formed on the outer side of the auxiliary protrusion 40 facing the edge 12 of the base part 10, when the water flow is formed by the auxiliary protrusion 40, the wash water and the auxiliary protrusion part 40 are formed. Decreases the frictional resistance between

A plurality of main protrusions 30 are provided on the outer side of the rotation shaft 20, the auxiliary protrusions 40 connected to the main protrusions 30 are provided in the same number as the number of the main protrusions 30.

Three main protrusions 30 according to an embodiment are installed on the outer side of the rotation shaft 20 at intervals of 120 degrees, and the number of auxiliary protrusions 40 connected thereto is also provided.

The number of the main protrusion 30 and the auxiliary protrusion 40 may be added or subtracted according to the use environment and size of the washing machine pulsator 1.

The auxiliary protrusion 40 and the main protrusion 30 are rotatably connected by the hinge 50.

Hinge 50 according to an embodiment, the support protrusion 52 protruding from the main protrusion 30, and the connecting piece protruding from the auxiliary protrusion (40) located above and below the support protrusion 52 ( 54 and a connecting pin 56 installed through the connecting piece 54 and the support protrusion 52.

The other end of the main protrusion 30 facing the auxiliary protrusion 40 is provided with a connection end 34, the connection end 34 is formed in a straight shape.

The side surface of the connecting piece 54 facing the connecting end 34 is provided with a connecting curved surface 55 of a round shape.

Therefore, when the auxiliary protrusion 40 is rotated around the connection pin 56, the angle at which the connection curved surface 55 is rotated in contact with the connection end 34 is limited.

On the other hand, a separate auxiliary projection 40 between the main projection 30 and the other main projection 30 can be improved to improve the washing efficiency, the shape of the main projection 30 and the auxiliary projection 40 spiral It may be formed in a shape.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating state of the washing machine pulsator (1) according to an embodiment of the present invention.

As shown in FIG. 4, when the washing machine pulsator 1 is rotated in the forward direction (reference to FIG. 4 clockwise), the auxiliary protrusion 40 is reversed with respect to the connecting pin 56 (the reference counterclockwise in FIG. 4). Direction).

At this time, since the connecting curved surface 55 of the auxiliary protrusion 40 is in contact with the connecting end 34 of the main protrusion 30, the auxiliary protrusion 40 is prevented from being rotated by more than a set angle.

The main protrusion part 30 and the guide protrusion member 14 rotate together with the base part 10 in the forward direction, thereby rotating the wash water and the laundry in the forward direction, and the auxiliary protrusion part 40 rotates by centrifugal force to wash the laundry and the laundry. Rotate forward.

In this case, since the auxiliary protrusion 40 is rotated at the other side of the main protrusion 30, the frictional resistance between the washing water and the auxiliary protrusion 40 generated when the washing machine pulsator 1 rotates may be reduced.

As shown in FIG. 5, when the washing machine pulsator 1 is rotated in the reverse direction (counterclockwise with reference to FIG. 5), the auxiliary protrusion 40 is in a forward direction with reference to the connecting pin 56 (FIG. 5 with reference clock). Direction).

The main protrusion part 30 and the guide protrusion member 14 rotate in the reverse direction together with the base part 10, thereby rotating the wash water and the laundry in the reverse direction, and the auxiliary protrusion part 40 rotates by centrifugal force while washing water and laundry. Rotate in the reverse direction.

According to the configuration as described above, the washing machine pulsator 1 according to the embodiment, the rotation direction of the auxiliary protrusion 40 is changed in accordance with the rotation direction of the pulsator to form a uniform water flow, washing efficiency At the same time it can reduce the kink of the laundry.

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, the washing machine pulsator used in a home washing machine has been described as an example, but this is merely exemplary, and the washing machine pulsator according to the present invention may be used in industrial and commercial washing machines.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

1: pulsator 10 for washing machine: base part
11: base body 12: frame
14: guide member 16: water pipe
20: rotating shaft portion 30: main protrusion
32: hole 34: connection end
40: auxiliary protrusion 42: round part
50: hinge portion 52: support protrusion
54: connecting piece 55: connecting surface
56: connecting pin

Claims (5)

A base portion;
A rotating shaft unit positioned at the center of rotation of the base unit;
A main protrusion protruding from the base and connected to the rotation shaft; And
The washing machine pulsator is hinged to the main protrusion, characterized in that it comprises an auxiliary protrusion for changing the direction of rotation in accordance with the rotation direction of the main protrusion.
The method of claim 1,
The main protrusion is provided in a plurality on the outer side of the rotating shaft portion is provided radially toward the edge of the base portion from the rotating shaft portion,
The auxiliary protrusion connected to the main protrusion, the washing machine pulsator, characterized in that installed in the same number as the number of the main protrusion.
The method of claim 1,
The auxiliary protrusion is installed between the edge of the base portion and the main protrusion, the washing machine pulsator, characterized in that rotatably installed in the horizontal direction from the upper side.
The method of claim 1,
The base portion and the main protrusion, washing machine pulsator, characterized in that it further comprises a plurality of water holes through which the water and air bubbles are moved.
The method of claim 1,
Washing machine pulsator further comprises a guide protrusion for rotating the washing water and the laundry is projected to the upper side of the base portion is not located.
KR1020110138015A 2011-12-20 2011-12-20 Pulsator for washing machine KR20130070805A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110138015A KR20130070805A (en) 2011-12-20 2011-12-20 Pulsator for washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110138015A KR20130070805A (en) 2011-12-20 2011-12-20 Pulsator for washing machine

Publications (1)

Publication Number Publication Date
KR20130070805A true KR20130070805A (en) 2013-06-28

Family

ID=48865453

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110138015A KR20130070805A (en) 2011-12-20 2011-12-20 Pulsator for washing machine

Country Status (1)

Country Link
KR (1) KR20130070805A (en)

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