KR20060060123A - A filth gathering structure of a dish washer - Google Patents

Abstract

The present invention relates to a dish washer, and more particularly, to a dirt collecting structure mounted on the tub bottom of the dish washer so that foreign substances falling to the bottom of the tub are not introduced into the sump.

The waste collection structure of the dish washing machine according to the present invention includes a tub having a washing tank therein; A sump mounted on a bottom of the tub to store washing water; An inner filter mounted inside the sump, the inner part of which protrudes from the bottom surface of the tub, and an inner filter having at least one locking plate formed on the inner circumferential surface of the foreign material; A middle filter accommodating the inner filter and filtering the washing water passing through the inner filter; The middle filter is accommodated therein, the outer filter for filtering the wash water passing through the middle filter; includes.

By the dirt collection structure of the dishwasher according to the present invention, foreign matters having a high specific gravity, such as beads or iron dull material generated in the dish washing process, are caught on the locking jaw formed inside the filter, thereby preventing the foreign matter from operating the drain pump. There is an effect that the problem does not occur.

Dirt collector, debris, filter

Description

A filth gathering structure of a dish washer}

1 is a perspective view showing a conventional general dishwasher equipped with a filter.

Figure 2 is a cross-sectional view showing a conventional filter structure mounted on the dishwasher.

3 is a cross-sectional view of the dishwasher equipped with a dust collecting device according to the spirit of the present invention.

4 is an exploded perspective view of a sump equipped with a dust collecting device according to the spirit of the present invention;

5 is a cross-sectional view showing the interior of an inner filter constituting the waste collection device.

6 is a cutaway perspective view of the inner filter;

<Description of the symbols for the main parts of the drawings>

100: dishwasher 110: tub 120: upper rack

130: lower rack 140: water guide 150: upper nozzle

160: lower nozzle 170: sump 180: washing pump

190: washing motor 200: dirt collection device 210: inner filter

220; Middle Filter 230: Outer Filter

The present invention relates to a dish washer, and more particularly, to a dirt collecting structure mounted on the tub bottom of the dish washer so that foreign substances falling to the bottom of the tub are not introduced into the sump.

In general, the dishwasher is a home appliance for cleaning the food residue on the surface of the dish by the high-pressure washing water sprayed from the spray nozzle. In detail, the dishwasher includes a tub in which a washing tank is formed and a sump mounted on the bottom of the tub to store washing water. Then, the washing water is moved to the spray nozzle by the pumping action of the washing pump mounted inside the sump, and the washing water moved to the spray nozzle is sprayed at high pressure through the spray hole formed at the dispensing nozzle end. In addition, the washing water sprayed at a high pressure hits the surface of the tableware, and dirt, such as food residues on the tableware, falls to the bottom of the tub.

On the other hand, the food waste dropped to the bottom of the tub is formed through the tub bottom, and is first filtered by a filter connected to the sump. And, the filter is made of at least two layers, so that the dirt is introduced into the injection nozzle to prevent the phenomenon of clogging the injection port.

Figure 1 is a perspective view showing a conventional general dishwasher equipped with a filter, Figure 2 is a cross-sectional view showing a conventional filter structure mounted on the dishwasher.                         

1 and 2, a conventional dishwasher 10 includes a tub 11 forming an appearance and a door 12 attached to a front surface of the tub 11 to open and close the tub 11. And a filter 20 mounted on the bottom of the tub 11 to filter food waste, a lower rack 14 accommodated inside the tub 11 and storing various dishes, and an upper side of the tub. The upper rack 13 accommodated in the tableware is included.

In addition, an upper nozzle 15 positioned below the upper rack 13 to spray washing water, a lower nozzle 16 positioned at a bottom of the tub 11 to spray washing water, and the tub 11 It is formed on the bottom of the sump 18, the wash water is stored.

On the other hand, the filter 20 mounted on the dishwasher 10 has an inner filter 23 in which a plurality of long holes 24 are arranged in a normal manner, and the inner filter 23 mounted outside the inner filter 23. 23. The outer filter 22 which filters the foreign matters that have escaped from the filter 23 again and the outer filter which filters the foreign matters of the minute size which has exited the middle filter 22 once again, are mounted on the outside of the middle filter 22. A filter 21 is included.

In detail, the size of the hole formed in the outer circumferential surface of the filter 20 has a fine size toward the outer filter.

In the dishwasher 20 configured as described above, the user stores the dishes in the upper rack 13 and / or lower rack 14, and then closes the door 12 to apply power. Then, the washing water stored in the sump 18 is sprayed to the surface of the dish through the upper nozzle 15 or the lower nozzle 16. In addition, the dirt on the surface of the dish is dropped with the washing water to the bottom surface of the tub (18). In addition, the washing water containing the dirt passes through the filter 20 mounted at the center of the tub 18. In addition, the washing water containing the dirt is filtered through the filter 20, food waste or other foreign matter is filtered.

However, in the conventional filter 20, the inter filter 23 has a cylindrical shape in which the long hole 24 is regularly drilled on the outer circumferential surface thereof, and the inside thereof is hollow. Therefore, the foreign matter that has passed through the long hole 24 is not filtered out and immediately exits to the middle filter 22. In addition, it is accumulated in the space between the inter filter 23 and the middle filter 22, so that the user can remove the foreign substances only when the filter 20 is separated.

In addition, foreign substances such as toothpicks or beads having a long shape are prevented from being caught by the inner filter 23, and are introduced into the sump 18. In addition, the foreign matter introduced into the sump 18 may block the inlet of the drain pump, thereby causing a problem that the operation of the drain pump is stopped.

The present invention has been proposed to solve the above problems, dishwasher for preventing the foreign matter from restraining the operation of the drain pump by preventing toothpicks, beads, or metal material from leaving the filter 20 Its purpose is to provide a waste collection structure.

Dirt collecting structure of the dishwasher according to the present invention for achieving the object as described above is a tub having a washing tank therein; A sump mounted on a bottom of the tub to store washing water; An inner filter mounted inside the sump, the inner part of which protrudes from the bottom surface of the tub, and an inner filter having at least one locking plate formed on the inner circumferential surface of the foreign material; A middle filter accommodating the inner filter and filtering the washing water passing through the inner filter; The middle filter is accommodated therein, the outer filter for filtering the wash water passing through the middle filter; includes.

By the above configuration, by preventing the foreign material of the elongated shape, such as toothpicks, or dull material of iron to pass through the filter, there is an effect of preventing the problem that the drain pump does not operate normally by the foreign matter.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other embodiments included within the scope of other inventive inventions or the scope of the present invention can be easily made by adding, changing, or deleting other elements. I can suggest.

3 is a cross-sectional view of the dishwasher equipped with a dust collecting device according to the spirit of the present invention.

Referring to FIG. 3, the dish washer 100 having the waste collection device according to the present invention has an outer shape, a tub 110 having a dish washing tank formed therein, and a washing tank formed on the front surface of the tub 110. Door 111 for opening and closing the sump, and the sump 170 is formed in the center of the bottom surface of the tub 110 to store the wash water.

In addition, the dust collecting device 200 is installed in the central portion of the bottom of the tub 110 to filter foreign matter, and the inside of the sump 170, the washing water stored in the sump 170 is pumped at a high pressure The washing pump 180 and the motor 190 is attached to the rear of the washing pump 180 to drive the washing pump 180.

In addition, the water guide 140 and the upper surface of the sump 170, which is a path for the washing water pumped from the washing pump 180 is moved, is formed on the bottom of the washing tank to the upper and lower washing water A lower nozzle 160 for spraying, an upper nozzle 150 attached to an upper portion of the water guide 140, extending vertically from the water guide 140, and positioned in a central portion of the washing tank; The top nozzle 155 is formed on the ceiling of the tub and sprays the washing water vertically downward.

In addition, the upper rack 120 is mounted on the upper side of the upper nozzle 150 so that the dishes are washed by the upper nozzle 150, and the lower nozzle 160 so that the dishes are washed by the lower nozzle 160. Lower rack 130 is mounted to the upper side of the) is included.

In detail, the upper rack 120 is supported by a rail (not shown) provided on the inner surface of the tub 110, and performs the front and rear movement.

Hereinafter will be described the operation of the dishwasher 100 according to the present invention.

First, the user opens the door 111 of the dishwasher 100 and pulls the upper rack 120 and / or lower rack 130 to the outside of the washing tank. In addition, dishes are stored in the racks 120 and 130. Then, the door 111 is closed and power is applied to the dishwasher.                     

On the other hand, when power is applied to the dishwasher 100 and a washing step is performed, washing water flows into the sump 170, and when the washing water inflow step is completed, the motor 190 operates. In addition, by rotating an impeller (not shown) provided in the washing pump 180 coupled to the motor 190, the washing water is pumped to the lower nozzle 160 and the water guide 140.

In addition, the wash water pumped to the water guide 140 is finally moved to the top nozzle 155, the upper nozzle 150 is injected into the washing tank. In addition, the dishes stored in the racks 120 and 130 are washed by the sprayed washing water.

Here, the top nozzle 155 sprays the washing water vertically downward, and the upper nozzle 150 sprays the washing water vertically upward, thereby washing the dishes stored in the upper rack 120.

In addition, the lower nozzle 160 is sprayed the washing water vertically upward, the dishes stored in the lower rack 130 is washed. In addition, by forming an injection hole in the bottom surface of the upper nozzle 150, the washing water is sprayed in both the up and down directions, it can be configured to simultaneously wash the upper side of the tableware accommodated in the lower rack (130).

In addition, when the washing step is completed, the dirty washing water collected in the sump 170 is filtered through the dirt collecting device 200, the foreign matter is filtered. In addition, the washing water filtered with foreign matter is discharged to the outside of the dishwasher 100 through a drain pump (not shown).                     

In addition, when the washing water is discharged to the outside, clean washing water is introduced into the sump 170 again through an inlet, and sprayed through the spray nozzles 150 and 160 in the same manner as the washing step. The dishware is rinsed by the sprayed clean water. Then, after the rinsing step is completed, the washing operation is completed by going through the drying step.

4 is an exploded perspective view of a sump equipped with a waste collecting device according to the spirit of the present invention, FIG. 5 is a cross-sectional view illustrating an inner filter constituting the waste collecting device, and FIG. 6 is a cutaway perspective view of the inner filter. .

4 to 6, the waste collection device 200 according to the present invention is seated inside the sump 170, and the foreign matter contained in the washing water dropped to the bottom surface of the tub 110 is the sump 170. To filter before it enters.

In detail, the waste collection device 200 includes an inner filter 210 having a predetermined size of drainage holes 211 arranged on an outer circumferential surface thereof, and a waste stopping plate 213 formed therein, and the inner filter 210. The middle filter 220 which is accommodated inside and passed through the inner filter 210 is filtered once more, and the foreign matter which is mounted on the outer circumference of the middle filter 220 and passed through the middle filter 220 is again present. An outer filter 230 to be filtered is included.

In detail, the outer filter 230 is equipped with a mesh (mesh) is formed in the outer circumferential surface. In addition, the drain hole formed in the middle filter 220 is smaller than the drain hole 211 formed in the outer circumferential surface of the inner filter 210. Therefore, the washing water is filtered three times while passing through the inner filter 210, the middle filter 220, and the outer filter 230.

More specifically, the bottom surface of the inner filter 210 includes a plurality of drain holes 212 and ribs 215 partitioning the drain holes 212. Therefore, the washing water is drained through the drain hole 212, the hair or long food waste is caught in the rib 215. In addition, a portion of the inner filter 210 protrudes a predetermined height from the bottom surface of the tub 110 as shown.

In addition, the inner circumferential surface of the inner filter 210 is formed by alternately forming a layer in the semicircular shape of the waste catching plate 213 are opposed to each other, and is bent upwards a predetermined height at the end of the waste catching plate 213. The bent portion 214 is formed. In addition, the dirt stopping plate 213 is formed to be inclined downward by a predetermined angle θ from a horizontal plane. Therefore, the washing water introduced into the inner filter 210 flows along the dirt stopping plate 213. In addition, foreign matters such as foreign matters having a high specific gravity or toothpicks may be accumulated at the bent portion 214, and thus may not escape to the middle filter 220 through the bottom surface of the inner filter 210.

By the waste collection apparatus 200 having the above configuration, the washing water falling on the bottom surface of the tub in the washing process is moved to the waste collection apparatus 200. In addition, the washing water flows through the drain hole 211 formed at the side surface of the inner filter 210 protruding a predetermined height from the bottom of the tub 110. Then, the introduced washing water is caught in the bent portion 214 while passing through the dirt stopping plate 213, the washing water is discharged through the side of the inner filter 210 portion accommodated in the sump (170). .

On the other hand, the washing water discharged through the outer circumferential surface of the inner filter 210 is passed through the middle filter 220, the foreign matter is secondarily filtered. Finally, foreign matter contained in the wash water is filtered through the mesh filter mounted on the side of the outer filter 230 in a third order. Therefore, since most of the foreign matter is filtered out of the washing water introduced into the sump 170, the phenomenon of blocking the inlet of the washing pump 180 or the drain pump is removed.

By the waste collection structure of the dish washing machine according to the present invention having the configuration as described above, foreign matters having a high specific gravity, such as beads or iron dull material generated in the dish washing process is caught on the locking jaw formed inside the filter, There is an effect that a problem that prevents the operation of this drain pump does not occur.

In addition, there is an effect that the user does not have to disassemble the filter to remove the above-mentioned foreign matters in the process of washing the filter.

Claims (5)

Tub having a washing tank therein; A sump mounted on a bottom of the tub to store washing water; An inner filter mounted inside the sump, the inner part of which protrudes from the bottom surface of the tub, and an inner filter having at least one locking plate formed on the inner circumferential surface of the foreign material; A middle filter accommodating the inner filter and filtering the washing water passing through the inner filter; The middle filter is accommodated therein, the outer filter for filtering the washing water passing through the middle filter; dirt collection structure of a dishwasher comprising a. The method of claim 1, And said stopping plate has a semicircular shape on an inner circumferential surface of said inner filter. The method of claim 1, The catch plate is a waste collection structure of the dishwasher includes a bent end is bent a predetermined height to the upper end. The method of claim 1, And the stopping plate is inclined downward by a predetermined angle in the direction of the central axis from the inner circumferential surface of the inner filter. The method of claim 1, The catch plate is a waste collection structure of the dishwasher, characterized in that formed in layers alternately at positions opposite to each other.

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