KR101597555B1 - Dish washer - Google Patents

Abstract

The present invention provides a washing machine comprising: a sump housing for storing wash water; An impeller for pumping the wash water inside the sump housing; A disposer located below the impeller; A washing motor provided below the sump housing to provide rotational force to the impeller and the disposer; And a foreign matter collecting pocket for collecting foreign matter struck by the disposer as the disposer rotates. According to the present invention, foreign matter is contained in the collecting pocket and repeatedly prevented from colliding with the disposer, thereby reducing the noise.

Dishwasher, disposer, foreign matter collection pocket, sump housing

Description

DISHWASHER {DISH WASHER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher, and more particularly, to a dishwasher having a means for blocking foreign matter from entering the inside of a sump at a lower portion of a dishwasher to prevent noise from being generated.

Generally, a dishwasher is a household appliance that removes garbage from the dishes by the water pressure of the washing water sprayed from the upper nozzle and the lower nozzle mounted inside the washing tub.

The dishwasher according to the related art includes a washing tub having a hexahedral space formed inside a main body having an opened front face, a door provided on the front face of the main body so as to be openable and closable, a dish rack slidably inserted into the washing tub, A sump which is installed at a lower portion of the washing tub to collect wash water, a disposer which boils garbage to the inside of the sump, A pump for pumping and supplying washing water to a nozzle side provided at an end of the injection path, a motor for transmitting a driving force to the washing motor, a heater installed inside the sump for heating wash water in the sump, A steam flow path provided in the door to allow steam generated during drying of the dishware to be discharged to the outside, And a steam discharging device including a fan.

However, when the disposer rotates inside the sump after receiving the rotational driving force by the motor, the disposer grinds foreign matter such as food waste and shreds the foreign matter. However, when the foreign substance is a material that is not ground by a disposer such as plastic The rotating disposer repeatedly bumps into the disposer, thus causing severe noise.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems and provides a means for preventing noise from being generated by repeatedly colliding with a disposer within a sump. More specifically, Means for preventing the foreign object from colliding with the rotating disposer.

For this purpose, the present invention provides a sump housing for storing wash water; An impeller for pumping the wash water inside the sump housing; A disposer located below the impeller; A washing motor provided below the sump housing to provide rotational force to the impeller and the disposer; And a foreign matter collecting pocket for collecting foreign matter struck by the disposer as the disposer rotates.

According to the above configuration, foreign matter is prevented from being received in the collecting pocket and repeatedly colliding with the disposer.

The foreign matter collecting pocket is mounted on a bottom surface of the sump housing, an inlet port through which the foreign matter striking the disposer flows is formed on a first side surface of the foreign matter collecting pocket, a second side surface facing the first side surface, There is provided a dishwasher in which a plurality of openings through which wash water can flow are formed.

A cylindrical fastening member protruding vertically for mounting the foreign matter collecting pocket is formed on the bottom surface of the sump housing, and a cylindrical fastening member is formed on the outer circumferential surface of the fastening member in a radial direction A protruded guide projection is formed. The second side edge of the foreign matter collecting pocket is formed with a guide groove inserted and guided by the guide protrusion.

And a collecting extension portion extending from an edge of the first side surface of the foreign matter collecting pocket and formed at an oblique angle with the second side surface.

The present invention also provides a washing machine comprising: a sump housing for storing wash water; An impeller for pumping the wash water inside the sump housing; And a foreign matter collecting pocket provided inside the sump housing for collecting foreign matter.

According to the present invention, due to the structure in which the foreign substances inside the sump are collected and not collected in the collection pocket, the noise generated by repetitive collision of the foreign substance with the disposer is prevented.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a schematic vertical sectional view of a dishwasher according to an embodiment of the present invention, and Fig. 2 is an exploded perspective view of a sump assembly. 1 and 2, a dishwasher according to the present invention includes upper and lower dust arms 4 and 5, upper and lower racks 6 and 7, and a sump assembly 10, Respectively. The upper and lower connection pipes 2 and 3 for pumping washing water and a drain hose 9 for draining washing water are connected to the sump assembly 10, / Lower sandstone (4,5) are connected. An upper rack 6 is provided on the upper side of the upper jet mill 4 and a lower rack 7 is provided on the upper side of the lower jet mill 5. The upper / lower dispersing rocks (4, 5) are rotatably installed on the upper side of the sump assembly (10). At this time, a jetting hole is formed in each of the spraying mats so that washing water can be sprayed to the rack.

Referring to FIG. 2, the sump assembly will be described in detail. The sump assembly (10) includes a sump housing (20) for storing wash water; An impeller housing (60) coupled to the sump housing (20) to receive an impeller (42) for pumping the wash water; A dirt chamber housing 70 provided in the sump housing 20 and having a flow path for guiding the pumped wash water to the spraying arms 4 and 5; And a filter housing (80) provided on the impeller housing (70) to receive the filter for filtering the washing water.

Drain pumps 51 and 52 for draining washing water are mounted on the sump housing 20 and a washing motor 41 for driving the impeller 42 is mounted on the lower portion of the sump housing 20. Meanwhile, a heater 29 for heating the wash water stored in the wash water receiving portion 21 of the sump housing 20 is mounted.

The sump housing 20 is provided with a washing water receiving portion 21 which is a space capable of receiving washing water substantially and a drainage chamber 22 is formed so as to be partitioned from the receiving portion. The drain pumps 51 and 52 are composed of a drain motor 51 and a drain fan 52.

The impeller housing 60 includes an impeller 42 connected to the shaft of the washing motor 41 and pumping the washing water. At this time, a disposer 45, which is coupled to the shaft of the washing motor 41 and rotates while finishing the food waste, is provided. On the upper side of the disposer 45, a predetermined mesh A screen 46 is disposed.

A dirt chamber 75 is formed in the dirt chamber housing 70 and a drain 75a is formed in the dirt chamber 75 to communicate with the drain chamber 22. At this time, the drain portion 75a protrudes to the lower side of the dirt chamber 75 by a predetermined length and is inserted into the drain chamber 22. The filter housing 80 is provided with a filter 81 for filtering the washing water so as to correspond to the dirt chamber 75 of the filter housing 60. A plurality of recovery holes 82 are formed outside the filter 81 And this recovery hole 82 communicates with the sump housing 20. [

As described above, a disposer 45 is provided inside the sump housing 20 in order to engage with the shaft of the cleaning motor 41 and rotate to crush foreign matter, particularly food waste. However, when the foreign substance is a plastic material that can not be broken by the disposer 45, it becomes a cause of noise and repeatedly strikes the disposer repeatedly inside the sump housing. The present invention provides a foreign matter collecting pocket (100) capable of collecting foreign matter in order to prevent this.

FIG. 3 is a perspective view of a foreign substance collecting pocket 100 mounted on a sump housing according to an embodiment of the present invention, FIG. 4 is a perspective view of a disposer and foreign substance collecting pocket mounted on a sump housing, FIG. 6 is a plan view of a foreign matter collecting pocket of FIG. 5; FIG.

Referring to FIG. 3, a cylindrical fastening member 150 is formed on the bottom surface of the sump housing 20 so as to vertically protrude to mount the foreign matter collecting pocket 100. A guide protrusion (155) protruding in the radial direction is formed on the outer peripheral surface of the fastening member along the longitudinal direction of the fastening member. The fastening member 150 is formed with a fastening groove 151 for fastening a foreign substance collecting pocket therein. Preferably, the screw 160 is inserted into the fastening groove so that the foreign substance collecting pocket 100 is inserted into the sump housing Mounted on the floor.

4, there is shown a disposer and a foreign matter collecting pocket mounted on the sump housing. The disposer 45 is coupled to an axis of the washing motor 41. When the washing motor rotates, the disposer rotates do. In the case where the disposer 45 rotates in the clockwise direction as viewed in the drawing, when foreign matter strikes one blade 45a of the disposer, the foreign matter is impacted to the right as seen in the drawing. At this time, The foreign matter is collected in the foreign matter collecting pocket 100 located at the bottom of the housing. The foreign matter that has entered the foreign matter collecting pocket 100 is no longer exposed to the outside, so that the foreign matter does not hit the disposer any more, and therefore, the noise caused by the foreign matter hitting the disposer is lost.

5 to 6, the foreign matter collecting pocket 100 according to an embodiment of the present invention has an approximately hexahedron shape or an inlet port formed on one side surface of the side surface, which is referred to as a first side. The first side is a surface facing the arrow A in Fig. 5, and provides a passage through which foreign matter striking the disposer 45 flows.

A plurality of openings 121 through which the washing water can flow may be formed on the second side surface 120 facing the first side surface of the foreign matter collecting pocket 100 and the upper surface 110 of the foreign matter collecting pocket 100 may be formed, A fastening hole 111 for mounting the sump housing and an opening 113 for flowing wash water are formed. Screws are inserted into the fastening holes 111, and the screws are inserted into fastening members (FIGS. 3 and 150) formed at the lower portion of the sump housing so that the foreign matter collecting pockets 100 are attached to the sump housing.

In addition, the edge of the second side surface 120 of the foreign matter collecting pocket is formed with a guide groove 100a which is inserted and guided by the guide protrusion (FIGS. 3 and 155). When the foreign matter collecting pocket is fastened to the sump housing, The projection is guided by the guide groove. In order to mount the foreign matter collecting pocket at the correct position on the bottom of the sump housing, the seating projections 180 and 190 are formed so that the side surface of the foreign matter collecting pocket contacts the seating projections.

Preferably, the foreign matter collecting pocket 100 is disposed on a passage through which the foreign object hit by the disposer 45 is repelled. A collecting extension 130 extending from a corner of the first side surface of the foreign matter collecting pocket and inclined at a predetermined angle with the second side surface 120 is formed. It is possible to prevent foreign matter from being returned to the outside of the foreign matter collecting pocket 100 by the collecting extension part 130 after the foreign matter hit by the disposer 45 is repelled and enters the inside of the foreign matter collecting pocket 100 through the inlet port do.

The openings 113 and 121 formed in the upper surface or the side surface of the foreign matter collecting pocket are formed to have an appropriate size through which wash water flows and free from foreign substances to pass therethrough so that the foreign matter introduced into the foreign matter collecting pocket Do not leave.

1 is a schematic longitudinal sectional view of a dishwasher according to an embodiment of the present invention,

FIG. 2 is an exploded perspective view of the sump assembly of the dishwasher of FIG. 1,

3 is a view showing a state in which a foreign matter collecting pocket is mounted on a sump housing according to an embodiment of the present invention,

4 is a perspective view of a disposer and a foreign matter collecting pocket mounted on the sump housing,

5 is a perspective view of a foreign matter collecting pocket according to an embodiment of the present invention,

Fig. 6 is a plan view of the foreign matter collecting pocket of Fig. 5;

Claims (13)

A sump housing for storing wash water; An impeller for pumping the wash water inside the sump housing; A disposer located below the impeller; A washing motor provided below the sump housing to provide rotational force to the impeller and the disposer; And And a foreign matter collecting pocket mounted on a bottom surface of the sump housing for collecting foreign matter struck by the disposer as the disposer rotates, Wherein a fastening hole is formed on an upper surface of the foreign matter collecting pocket and a cylindrical fastening member is formed on a bottom surface of the sump housing to vertically protrude for mounting the foreign matter collecting pocket. delete The method according to claim 1, An inlet port through which the foreign matter striking the disposer flows is formed on the first side surface of the foreign matter collecting pocket and a plurality of openings through which the wash water flows can be formed on the second side surface facing the first side surface Dishwasher. The method according to claim 1, Wherein the bottom surface of the sump housing is provided with a seating protrusion for guiding a mounting position of the foreign matter collecting pocket, and when the foreign matter collecting pocket is mounted on the bottom surface of the sump housing, the side surface of the foreign matter collecting pocket is in contact with the seating projection Features a dishwasher. The method according to claim 1, And a guide protrusion protruding in a radial direction is formed on an outer circumferential surface of the fastening member. 6. The method of claim 5, Wherein the second side edge of the foreign matter collecting pocket is formed with a guide groove inserted and guided by the guide protrusion. The method of claim 3, Further comprising a collecting extension extending from an edge of the first side of the foreign matter collecting pocket and formed at an oblique angle with the second side. A sump housing for storing wash water; An impeller for pumping the wash water inside the sump housing; And And a foreign matter collecting pocket mounted on a bottom surface of the sump housing and disposed inside the sump housing to collect foreign matter, Wherein a fastening hole is formed on an upper surface of the foreign matter collecting pocket, and a cylindrical fastening member is formed on a bottom surface of the sump housing to vertically protrude to fasten the foreign matter collecting pocket. delete 9. The method of claim 8, Wherein an inlet port through which foreign substances are introduced is formed in the first side surface of the foreign matter collecting pocket and a plurality of openings through which the washing water flows can be formed on the second side surface facing the first side surface. 9. The method of claim 8, Wherein the bottom surface of the sump housing is provided with a seating protrusion for guiding a mounting position of the foreign matter collecting pocket, and when the foreign matter collecting pocket is mounted on the bottom surface of the sump housing, the side surface of the foreign matter collecting pocket is in contact with the seating projection Features a dishwasher. 9. The method of claim 8, Wherein a guide protrusion protruding in a radial direction is formed on an outer circumferential surface of the fastening member and a guide groove inserted and guided in the guide protrusion is formed on a second side edge of the foreign matter collecting pocket. 13. The method of claim 12, Further comprising a collecting extension extending from an edge of the first side of the foreign matter collecting pocket and formed at an oblique angle with the second side.

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