KR101716192B1 - Washing machine - Google Patents

Abstract

The washing machine according to the present invention is characterized in that the washing machine comprises an outer tank in which washing water is contained, an inner tank rotatably disposed in the outer tank and having a drain hole formed on the bottom surface thereof, And a filter cap disposed in the pulsator for collecting foreign matters such as seams contained in the washing water flowing into the pumping passage, wherein the filter cap is disposed in the pulsator, The centrifugal force induced at the time causes the wash water to circulate between the inner tank and the outer tank, and also provides an advantage that foreign substances such as seams contained in the wash water can be effectively removed.

Description

[0001] Washing machine [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laundry processing apparatus, and more particularly, to a laundry processing apparatus in which washing water in an inner tank is filtered while passing through a filter cap provided in a pulsator, and is pumped to the outer tank by a rotational force of a pulsator.

Generally, a laundry processing apparatus separates contaminants from clothing, bedding, and the like (hereinafter referred to as "laundry") by using physical action such as chemical decomposition of water and detergent and friction between water and laundry A washing machine, a drying device for dehydrating and drying the wet laundry, a refresher for preventing laundry allergy by spraying heated steam to the laundry, and a refresher for washing the laundry easily, Device.

Meanwhile, the washing machine, which is a kind of laundry processing equipment, is divided into an agitator type, a drum type, and a pulsator type according to its structure and washing method. Such a washing machine usually performs a washing process while sequentially performing a washing process, a rinsing process, and a dewatering process, and it is possible to perform only a predetermined process in the above-described processes according to a user's selection, Washing is done by the washing method.

However, the conventional washing machine can not effectively remove foreign matters such as seams contained in the washing water, and thus the washing is not cleaned. In the case where the drain pump malfunctions due to a large amount of foreign substances contained in the washing water drained And the pumping flow path is clogged by the accumulation of foreign matter.

An object of the present invention is to provide a laundry processing device in which foreign substances such as seams contained in the washing water are collected while pumping wash water in the inner tank into the outer tank using the rotational force of the pulsator.

The laundry processing apparatus of the present invention is characterized in that the laundry processing apparatus of the present invention comprises an outer tank containing washing water, an inner tank rotatably disposed in the outer tank and having a drain hole formed on the bottom surface thereof, And a filter cap disposed on the pulsator and collecting foreign matters such as seams contained in the washing water flowing into the pumping passage, .

The pulsator may include an outer pulsator having a hole through which the filter cap is mounted at a center of the pulsator, a pumping passage formed between the outer pulsator and the outer pulsator, And an inner pulsator formed with an outflow hole through which wash water is discharged.

The filter cap may be detachably coupled to the outer pulsator. The filter cap may include a body, a cover disposed at an upper portion of the body, a cover having a plurality of inflow holes formed therein for introducing wash water, . ≪ / RTI > Here, the cover may be hooked to the main body.

The outer pulsator may include a plurality of laundry blades protruded to form a rotating water flow. The inner pulsator may include a plurality of laundry blades formed in a shape corresponding to the outer pulsator, Outflow holes may be formed between adjacent laundry wings of the inner pulsator.

The pear setter includes an inner pulsator having a plurality of laundry blades formed to protrude to form a rotating water flow and having an outflow hole formed between the adjacent laundry blades and a hole through which the filter cap is mounted And a flow guide which forms a flow path between the adjacent laundry wings so that the washing water passed through the filter cap is guided to the outflow hole. The flow path guide may include a plurality of flow paths formed radially from the edge of the hole, and the flow path guide and the flow path guide may be hooked.

INDUSTRIAL APPLICABILITY The laundry processing apparatus of the present invention has an effect that the washing water can be circulated smoothly between the inner tank and the outer tank by the centrifugal force generated when the pulsator rotates.

In addition, the laundry processing apparatus of the present invention has an effect of improving the filtering efficiency because the washing water is continuously filtered by the pumping channel.

Further, the laundry processing apparatus of the present invention has an effect that the washing water can be filtered evenly by filtering the washing water while circulating the washing water through the pumping path between the inner tank and the outer tank.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

1 is a side sectional view of a laundry processing apparatus 1 according to an embodiment of the present invention.

1, the laundry processing apparatus 1 includes a cabinet 11 having an upper opening and an upper opening, a laundry (hereinafter referred to as a "foam") 11 disposed at an upper opening of the cabinet 11, A door 13 for opening and closing the swinging and entering port and a cabinet cover 12 for holding the swinging door 12 in the cabinet 11 by means of the supporting member 17 and being buffered by the damper 18 22), and an inner tank (15) rotatably disposed inside the outer tank (22) and receiving the bag. A plurality of water holes (not shown) are formed on the side surface of the inner tank 15 so that the washing water can circulate between the outer tank 22 and the inner tank 15, And an outer cover 14 having a hole h formed therein.

The bottom of the inner tank 15 is provided with a pulsator 100 forming a rotating water flow and a filter cap 50 (see FIG. 1), in which the washing water passes through the center of the pulsator 100, ).

On the lower side of the outer tank 22, a motor 60 for generating a rotational force for rotating the inner tank 15 and / or the pulsator 100 is disposed. The inner tank 15 and the pulsator 100 are coupled to a rotating shaft 61 rotated by a motor 60 so that the rotational force generated by the motor 60 by the power switching means such as a clutch (15) and / or pulsator (100).

The cabinet cover 12 is provided with a control panel 24 for receiving a command from the user for the overall operation of the laundry processing apparatus 1. A cabinet cover 12 is provided inside the cabinet cover 12 with a detergent A detergent box housing 34 for housing the detergent box 34 in such a manner that the detergent box 34 can be drawn out and the washing water introduced from the water supply hose 19 is supplied into the inner tank 15 via the detergent box 34 36 are disposed. The detergent box housing 36 may be provided with a distribution hole 36h for distributing the wash water introduced from the water supply hose 18 to the detergent box 34. [ On the other hand, the drain hose 42 and the drain pump 44 may be provided to drain the washing water from the outer tub 22.

2 is a perspective view illustrating pulsator 100 according to an embodiment of the present invention. 3 is a plan view showing the inner bottom 15a shown in Fig. 4 is a cross-sectional view showing a state where the pulsator 100 and the filter cap 50 are mounted to explain the pumping passage 160 formed by the pulsator 100. As shown in Fig. 5 is an enlarged partial view of the pumping passage 160 shown in FIG.

1 and 2, the pulsator 100 is disposed at a lower portion of the inner tub 15 and is rotated by the rotating shaft 61 to form a rotating water stream. The washing water in the inner tub 15 is discharged from the inner tub 15a The pumping passage 160 is guided to be pumped to the outer tank 22 through the drain hole 15h formed in the outer tank 22a.

In more detail, the pulsator 100 according to an embodiment of the present invention includes an outer pulsator 120 having a hole through which a filter cap 50 is mounted at a central portion thereof, and an outer pulsator 120 disposed inside the outer pulsator 120 And an inner pulsator 110 forming a pumping passage 160 between the outer pulsator 120 and the outer pulsator 120 and having an outflow hole 113 through which the washing water passed through the pumping passage 160 is formed.

On the other hand, the outer pulsator 120 and the inner pulsator 110 are formed in corresponding shapes and are fastened to the rotating shaft 61 in a superimposed state. The outer pulsator 120 includes a plurality of laundry wings 121 protruded to form a rotating water flow and the inner pulsator 110 includes a plurality of laundry wings 111 formed corresponding to the outer pulsator 120, .

The inner pulsator 110 is made of a plastic injection material, and the outer pulsator 120 is made of a metal material. The inner pulsator 110, which is not shown to the user, is formed of a conventional plastic injection molding, and the outer pulsator 120, which is visible to the user, is made of a metal material, It is effective.

Since the washing water having passed through the filter cap 50 will be guided between the washing blades 111 by the projected shape of the washing blades 111 of the interpluser 110, 111). ≪ / RTI >

4, the washing water flowing out through the outlet hole 113 of the inner pulsator 110 is drained to the outer tub 22 through the inner tub bottom 15a forming the bottom of the inner tub 15, (15h) is formed. In the present embodiment, a plurality of drain holes 15h are formed along the circumferential direction corresponding to the number of the outflow holes 113 formed in the inner pulsator 110, but the scope of the present invention is not limited thereto.

4 and 5, the filter cap 50 is detachably attached to the center of the outer pulsator 110 and includes a main body 52 and a plurality of And a lint filter 53 disposed in the main body 52 and having a mesh structure for filtering the lint contained in the wash water.

Hereinafter, a process of collecting the foreign substances contained in the washing water will be described.

When a user applies power to the laundry processing apparatus 1 and selects a suitable washing method according to the type of laundry, the control unit (not shown) controls the weight of the laundry to detect the weight of the laundry, do.

At this time, the washing water filled in the inner tank 15 flows into the pulsator 100 through the inflow hole 52h formed in the cover 51, and the inflowing washing water flows through the outer pulsator 120 and the inner pulsator 110 through the pumping passage 160 formed in the inner space of the inner puller 110 and passes through the outflow hole 113 formed in the inner pulsator 110 and then through the drain hole 15h formed in the inner tank bottom 15a, 22).

At this time, the wash water is drained from the inner tank 15 to the outer tank 22 continuously along the pumping passage 160 by the centrifugal force generated by rotating the pulsator 100, And then flows into the inner tank 15 again. Accordingly, since the wash water is continuously circulated between the inner tank 15 and the outer tank 22 and is filtered, foreign matter such as seams contained in the wash water is effectively removed.

If a certain amount of foreign matter is collected in the filter cap 50, the user removes the filter cap 50 from the pulsator 100 and removes foreign matter collected by the lint filter 53, Can be cleaned.

At this time, it is preferable that the filter cap 50 is detachably coupled to the pulsator 100 so that the user can easily detach the filter cap 50 from the pulsator 100.

The cover 51 and the main body 52 can also be hooked together to easily separate the cover 51 from the main body 52 of the filter cap 50 as shown in Figs.

In order to prevent the impurities contained in the washing water flowing between the outer pulsator 120 and the inner pulsator 110 from being caught between the pulsator 100 and the rotating shaft 61, It is preferable to seal the gap between the pulsator 100 and the rotary shaft 61 or to reduce the gap between the pulsator 100 and the rotary shaft 61 as much as possible.

6 is a perspective view illustrating pulsator 200 according to another embodiment of the present invention. 7 is a perspective view of the flow guide 130 shown in FIG. 6 along the line A-A. 8 is an enlarged view of a portion B in Fig. This will be described below with reference to Figs. Hereinafter, description of the same or similar components as those of the above-described embodiment will be omitted.

The pulsator 200 according to another embodiment of the present invention includes a plurality of laundry blades 111 which are rotatably disposed in the inner tub 15 and are formed to protrude to form a rotating water flow, A filter cap 50 is detachably mounted on the upper side of the inner pulsator 110 and a filter cap 50 is attached to the upper surface of the inner pulsator 110, And a flow guide 130 for forming a pumping passage between the plurality of washers 111 so that the wash water that has passed through the holes is guided to the outflow hole 113.

That is, the pulsator 200 according to the present embodiment is different from the pulsator 100 in the above-described embodiment in that a pumping channel is formed using the flow guide 130 instead of the outer pulsator 120 have.

The flow guide 130 includes a hole through which the filter cap 50 is mounted and includes a plurality of flow paths 131 extending radially from the edge of the hole. The flow path portion 131 is coupled between the laundry blades 111 of the inner pulsator 110 so as to induce the washing water passing through the filter cap 50 to flow to the outflow hole 113 along the inclined surface do.

At this time, the flow guide 130 can be hooked to the inner pulsator 110. A hook 132 is formed on the leading end side of the flow path portion 131 of the flow path guide 130 and a coupling hole 114 is formed in the inner pulsator 110 for fastening the hook 132. However, But can be hooked in various ways.

On the other hand, the washing water having passed through the filter cap 50 is guided by the flow guide 130 and guided to the outflow hole 113 formed between the laundry blades 111 of the inner pulsator 110, And is pumped to the outer tub 22 through the inner tub bottom 15a.

The pulsator 200 according to the present embodiment forms a pumping passage using the flow guide 130 instead of the outer pulsator 120, unlike the pulsator 100 according to the embodiment of the present invention described above . At this time, since the flow path guide only forms the flow path without the laundry blade, unlike the outer pulsator 120, the flow path guide is simple in structure and easy to manufacture, and the material can be saved.

In addition, the product can be diversified by selectively adopting the pulsator 100, 200 according to the above-described two embodiments at the production stage of the product. That is, in the case of producing two products of different models, the inner pulsator 110 is commonly used, while the one model adopts the inner pulsator 110 and the outer pulsator 120, One model can be produced by adopting the inner pulsator 110 and the flow guide 130, thereby improving the productivity due to the use of parts and diversifying models.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. That is, the scope of the present invention is defined by the appended claims rather than the detailed description, and all changes or modifications derived from the meaning and range of the claims and the equivalents thereof are included in the scope of the present invention. Should be interpreted as being.

1 is a side cross-sectional view of a laundry processing apparatus according to an embodiment of the present invention.

2 is a perspective view showing a pulsator according to an embodiment of the present invention.

3 is a plan view showing the inner bottom of the tread shown in FIG.

Fig. 4 is a cross-sectional view showing a state where a pulsator and a filter cap are mounted to explain a pumping passage formed by a pulsator.

5 is an enlarged partial view of the pumping passage shown in Fig.

6 is a perspective view showing a pulsator according to another embodiment of the present invention.

FIG. 7 is a perspective view of the flow guide shown in FIG. 6 cut along the line A-A.

8 is an enlarged view of a portion B in Fig.

Description of the Related Art

1: laundry processing device 50: filter cap

51: main body 52: cover

53: lint filter 100, 200: pulsator

110: inner pulsator 111: wing portion

113: Spillway

120: outer pulsator 121: wing portion

130: channel guide 131:

Claims (11)

The wash tank contains the outer tank; An inner tank rotatably disposed in the outer tank and having a drain hole formed on a bottom surface thereof; A pulsator arranged rotatably in the inner tank to form a rotating water flow, and a pump for forming a pumping passage so that the wash water in the inner tank is drained to the outer tank through the drain hole; And And a filter cap disposed in the pulsator for collecting foreign matters such as seams contained in the washing water flowing into the pumping channel, The pearl- An inner pulsator having a plurality of laundry wings formed to protrude to form a rotating water flow, wherein an outflow hole is formed between adjacent laundry wings; And And a flow guide detachably coupled to the inner pulsator at an upper side of the inner pulsator, The flow- And a plurality of flow paths extending radially from the edges of the holes and each being disposed between the adjacent laundry wings, Wherein each of the flow- And a flow path for guiding the wash water passed through the filter cap to the outflow hole is formed between the upper surface of the inner pulsator and the upper surface of the inner pulsator. delete delete The method according to claim 1, Wherein the inner pulsator and the flow guide are hook-coupled. delete delete delete delete delete delete delete

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