KR20110045761A - Dish washer - Google Patents

Abstract

PURPOSE: A dishwasher is provided to prevent noise due to repetitive collisions of a disposer and foreign materials. CONSTITUTION: A dishwasher comprises a sump housing(20), an impeller(42), a disposer(45), a washing motor(41), a pocket(100). The sump housing stores water. The impeller pumps water in the sump housing. The disposer is located under the impeller. The washing motor is installed under the sump housing. The washing motor supplies torque to the impeller and the disposer. When the disposer rotates, the pocket collects foreign materials, which collides with the disposer.

Description

Dishwasher {DISH WASHER}

The present invention relates to a dishwasher, and more particularly, to a dishwasher having a means for preventing foreign matter from being introduced into the sump of the lower part of the dishwasher.

In general, the dishwasher is a home appliance that removes food waste from the dishes by the water pressure of the washing water sprayed from the upper nozzle and the lower nozzle mounted in the washing tank.

The dishwasher according to the related art has a washing tank having a hexahedral space formed inside a main body with an open front surface, a door installed to be opened and closed on the front of the main body, a dish rack slidingly inserted into the washing tank, and the dish rack A nozzle rotatably installed at a lower side of the nozzle to spray washing water through a spray hole, a sump installed at a lower portion of the washing tank, and a sump collecting the washing water in the sump, and a disposer for finely cutting food waste inside the sump, A washing pump installed at one side to pump and supplying washing water to a nozzle side installed at an end of the injection passage, a motor for transmitting driving power to the washing motor, a heater installed at the inside of the sump, and heating the washing water inside the sump; Steam flow path and air flow installed in the door to discharge the steam generated when drying the dishes to the outside It consists of a steam exhaust including a fan.

By the way, the disposer serves to crush the foreign matter such as food waste while rotating in the sump by receiving a rotational driving force by the motor, but when the foreign material is a material that is not ground by the disposer, such as plastic There was a problem that repeatedly hit the rotating disposer and therefore a severe noise.

The present invention is to solve the above problems, to provide a means for preventing the generation of noise while repeatedly hitting the foreign matter in the disposer in the sump, specifically to collect the foreign matter in the sump of the dishwasher Means are provided to prevent foreign matter from colliding with the rotating disposer.

The present invention for the above object, the sump housing for storing the wash water; An impeller pumping the washing water in the sump housing; A disposer positioned below the impeller; A washing motor provided under the sump housing to provide rotational force to the impeller and the disposer; And a foreign matter collecting pocket for collecting the foreign matter hit by the disposer as the disposer rotates.

This configuration prevents foreign matter from being received in the collecting pocket and repeatedly hitting the disposer.

The foreign matter collecting pocket is mounted on a bottom surface of the sump housing, and a first side surface of the foreign matter collecting pocket is formed with an inlet through which foreign substances hit by the disposer are introduced, and a second side facing the first side. The present invention provides a dishwasher having a plurality of openings through which washing water can flow.

A fastening hole is formed on an upper surface of the foreign matter collecting pocket, and a cylindrical fastening member protruding vertically to mount the foreign matter collecting pocket is formed on a bottom surface of the sump housing, and radially on an outer circumferential surface of the fastening member. Protruding guide protrusions are formed. In addition, a guide groove inserted into the guide protrusion is formed at a corner of the second side surface of the foreign matter collecting pocket.

The apparatus may further include a collecting extension part extending from an edge of the first side surface of the foreign matter collecting pocket and formed at an inclined angle with the second side surface.

In another aspect, the present invention, the sump housing for storing the wash water; An impeller pumping the washing water in the sump housing; And a foreign matter collecting pocket provided inside the sump housing to collect foreign substances.

The present invention has the effect of preventing the noise generated while the disposer and the foreign matter repeatedly hit by having a structure that the foreign matter inside the sump is collected inside the collecting pocket and is not separated.

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

1 is a schematic longitudinal cross-sectional view of a dishwasher according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the sump assembly. 1 to 2, the dishwasher of the present invention includes an upper / lower injection arm 4, 5, an upper / lower rack 6, 7, a sump assembly 10, and the like inside the tub 1. Is installed. The sump assembly 10 is connected with upper and lower connecting pipes 2 and 3 for pumping the washing water and drain hoses 9 for draining the washing water, and the upper and lower connecting pipes 2 and 3 are connected to the upper and lower connecting pipes 2 and 3. Lower injection arms 4 and 5 are connected. An upper rack 6 is installed above the upper injection arm 4, and a lower rack 7 is installed above the lower injection arm 5. The upper and lower injection arms 4 and 5 are rotatably installed on the upper side of the sump assembly 10. At this time, each injection arm is formed with a spray hole so as to spray the washing water to the rack.

2, the sump assembly will be described in detail. The sump assembly 10 includes a sump housing 20 for storing washing water; An impeller housing (60) coupled to the sump housing (20) for receiving 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 washing water to the injection arms 4 and 5; It is provided on the upper of the impeller housing 70, it is configured to include a filter housing 80 for receiving a filter for filtering the washing water therein.

The sump housing 20 is equipped with drain pumps 51 and 52 for draining the washing water, and a washing motor 41 for driving the impeller 42 is mounted below the sump housing 20. On the other hand, the washing water receiving portion 21 of the sump housing 20 is equipped with a heater 29 for heating the stored washing water.

The sump housing 20 has a washing water accommodating portion 21 which is a space capable of substantially accommodating the washing water, and a drain chamber 22 is formed so as to be partitioned from the accommodating portion. These 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 to pump the washing water. At this time, the disposer 45 is coupled to the shaft of the washing motor 41 to crush the food waste while rotating, and a predetermined mesh is disposed on the upper side of the disposer 45 so as to filter the large food waste. The branch screen 46 is disposed.

A dirt chamber 75 or the like 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 a predetermined length below the dirt chamber 75 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. The recovery hole 82 is in communication with the sump housing 20.

As described above, the sump housing 20 is provided with a disposer 45 coupled to the shaft of the cleaning motor 41 to crush the foreign matter, in particular food waste, while rotating. However, when the foreign matter is a plastic-like material that cannot be broken by the disposer 45, it causes noise and continues to hit the disposer repeatedly in the sump housing. The present invention provides a foreign matter collecting pocket 100 that can collect the foreign matter in order to prevent this.

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

Referring to Figure 3, the bottom surface of the sump housing 20 is formed with a cylindrical fastening member 150 protruding vertically for mounting the foreign matter collecting pocket 100. On the outer circumferential surface of the fastening member, a guide protrusion 155 is formed in the radial direction along the longitudinal direction of the fastening member. In addition, the fastening member 150 has a fastening groove 151 formed therein for fastening the foreign matter collecting pocket, and preferably, the screw 160 is inserted into the fastening groove to fasten the foreign matter collecting pocket 100. Mounted on the floor.

4 shows a disposer mounted on a sump housing and a foreign matter collecting pocket. The disposer 45 is coupled to an axis of the washing motor 41 so that the disposer also rotates when the washing motor rotates. do. When the disposer 45 is rotated in the clockwise direction as seen in the figure, when the foreign matter hits the wing 45a of the disposer, the foreign matter is blown to the right as seen in the figure, and the right side of the disposer Foreign matter enters into the foreign matter collecting pocket 100 located in the. Foreign matter trapped inside the collecting pocket 100 will no longer come out of the outside so that it will no longer hit the disposer and thus the foreign material hits the disposer will be no noise.

5 to 6, the foreign matter trapping pocket 100 according to the exemplary embodiment of the present invention has an inlet formed so that foreign matter is introduced into one side of a substantially hexahedral shape or side, which is called a first side. The first side is a side facing the arrow A in FIG. 5, and provides a passage through which foreign matters hit the disposer 45.

In addition, the second side surface 120 facing the first side surface of the foreign matter collecting pocket 100 is provided with a plurality of openings 121 through which washing water flows, and the upper surface 110 of the foreign matter collecting pocket 100. The fastening hole 111 for mounting on the sump housing and the opening 113 for flowing the washing water is formed. A screw is inserted into the fastening hole 111, and a screw is inserted into a fastening member (FIGS. 3 and 150) formed at the lower part of the sump housing so that the foreign matter collecting pocket 100 is mounted to the sump housing.

In addition, the guide groove (100a) is inserted into the guide protrusion (Fig. 3, 155) is formed in the corner of the second side 120 of the foreign matter collecting pocket, when the foreign matter collecting pocket is fastened to the sump housing The projection is guided by the guide groove. In addition, seating protrusions 180 and 190 are formed at the bottom of the sump housing so that the foreign matter collecting pocket is mounted at the correct position, and the side of the foreign matter collecting pocket is mounted while contacting the mounting protrusion.

The foreign matter collecting pocket 100 is preferably disposed on a passage through which foreign matters hit the disposer 45 is bounced and moved. In addition, the extension extending from the edge of the first side surface of the foreign matter collecting pocket, the collection extension 130 is inclined at a predetermined angle with the second side 120 is formed. After the foreign material hit by the disposer 45 is thrown into the inside of the foreign matter collecting pocket 100 through the inlet, the foreign substance is prevented from coming back out of the foreign matter collecting pocket 100 by the collecting extension 130. do.

In addition, the openings 113 and 121 formed on the upper surface or the side surface of the foreign matter collecting pocket are freely formed to flow through the washing water, but the foreign matter introduced into the foreign matter collecting pocket is formed to have an appropriate size so that foreign substances cannot pass. Do not leave.

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

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

Figure 3 is a state in which the foreign matter collecting pocket is mounted to the 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,

6 is a plan view of the foreign matter collecting pocket of FIG.

Claims (13)

Sump housings for storing wash water; An impeller pumping the washing water in the sump housing; A disposer positioned below the impeller; A washing motor provided under the sump housing to provide rotational force to the impeller and the disposer; And And a foreign matter collecting pocket for collecting the foreign matter hit by the disposer as the disposer rotates. The method of claim 1, The foreign matter collecting pocket is mounted on the bottom surface of the sump housing. The method of claim 2, The first side surface of the foreign matter collecting pocket is formed, the inlet for introducing the foreign matter hit the disposer is formed, the second side facing the first side is formed with a plurality of openings through which the washing water flows. Dishwasher. The method of claim 2, A fastening hole is formed on an upper surface of the foreign matter collecting pocket, and a bottom surface of the sump housing is formed with a cylindrical fastening member protruding vertically to mount the foreign matter collecting pocket. The method of claim 4, wherein The outer circumferential surface of the fastening member dishwasher, characterized in that the guide projection is formed in a radial direction. The method of claim 5, And a guide groove formed at the second side edge of the foreign matter collecting pocket and inserted into the guide protrusion. The method of claim 3, wherein And a collecting extension extending from an edge of the first side surface of the foreign matter collecting pocket and formed at an inclined angle with the second side surface. Sump housings for storing wash water; An impeller pumping the washing water in the sump housing; And And a foreign matter collecting pocket provided inside the sump housing to collect foreign substances. The method of claim 8, The foreign matter collecting pocket is mounted on the bottom surface of the sump housing. The method of claim 9, The dishwasher of claim 1, wherein an inlet through which foreign matter flows is formed on the first side surface of the foreign matter collecting pocket, and a plurality of openings through which the washing water flows are formed on the second side surface facing the first side surface. The method of claim 9, A fastening hole is formed on an upper surface of the foreign matter collecting pocket, and a bottom surface of the sump housing is formed in a cylindrical fastening member protruding vertically to fasten the foreign matter collecting pocket. The method of claim 11, The outer peripheral surface of the fastening member is formed with a radially projecting guide projection, the second side edge of the foreign matter collecting pocket is formed in the dishwasher, characterized in that the guide groove is inserted into the guide projection is formed. 13. The method of claim 12, And a collecting extension extending from an edge of the first side surface of the foreign matter collecting pocket and formed at an inclined angle with the second side surface.

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