KR101169274B1 - Sump assembly for a dish washer - Google Patents

Abstract

The present invention relates to a sump assembly of a dishwasher, which prevents the washing water from leaking at a mounted portion by preventing deformation of the heater mounting portion for mounting a heater, thereby improving washing efficiency. To this end, the present invention, the sump housing for storing the wash water; An impeller housing coupled to the sump housing to accommodate an impeller for pumping the washing water; A filter housing provided at an upper portion of the impeller housing and accommodating a filter for filtering the washing water therein; A heater mounting part provided in the sump housing and equipped with a heater for heating the washing water; In addition, provided at a portion adjacent to the heater mounting portion, to provide a sump assembly of the dishwasher including one or more reinforcing ribs for preventing deformation of the heater mounting portion.

By the above configuration, the washing water can be prevented from leaking at the site where the heater is mounted, thereby improving the washing efficiency.

Dishwasher, Sump Assembly, Reinforcement Rib

Description

Sump assembly for a dish washer}

1 is a block diagram showing a schematic configuration of a conventional dish washer;

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

3 is a top view showing the internal configuration of the sump assembly of the dishwasher of FIG.

Figure 4 is a side view showing a heater mounting portion of a conventional sump assembly;

5 is a side view showing a sump housing of a sump assembly according to an embodiment of the present invention;

6 is a perspective view showing a sump housing of a sump assembly according to an embodiment of the present invention;

7 is a partial cross-sectional view of the sump housing showing a form in which a reinforcing rib is formed in the sump housing according to an embodiment of the present invention.

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

1: Tub 2: Upper Connector

3: lower connector 4: upper injection arm

5: lower injection arm 6: upper rack

7: lower rack 9: outlet pipe

10: sump assembly 20: sump housing

30: heater mounting portion 60: impeller housing

70: dirt chamber housing 80: filter housing

200: sump housing 210: wash water receiving portion

220: drain chamber 300: heater mounting portion

310: heater mounting hole 330: side wall

910: upper reinforcing rib 930: lower reinforcing rib

The present invention relates to a dishwasher, and more particularly, to a sump assembly of a dishwasher having an improved structure to improve washing performance.

A general dish washer is a device that sprays and washes dishes and washes and dries and / or sterilizes the dishes.

Hereinafter, a conventional dishwasher will be described with reference to the accompanying drawings.

1 is a configuration diagram showing a schematic configuration of a conventional dishwasher, FIG. 2 is an exploded perspective view showing a sump assembly of the dishwasher of FIG. 1, FIG. 3 is a top view illustrating an internal configuration of the sump assembly of the dishwasher of FIG. Figure 4 is a side view showing a heater mounting portion of a conventional sump assembly.

A schematic configuration of a conventional dish washing machine will be described with reference to FIG. 1.

The dishwasher is provided with upper and lower injection arms 4 and 5, upper and lower racks 6 and 7, and a sump assembly 10 inside the tub 1.

The sump assembly 10 is connected to upper and lower connecting pipes 2 and 3 for pumping the washing water and drain hoses 9 for draining the washing water, and 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. In addition, a separate injection hole is formed in the lower injection arm so as to drop food waste blocking the filter of the sump assembly.

2, the sump assembly will be described in detail.

The conventional 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 heater mounting portion 30 (see FIG. 4) of the sump housing 20 is equipped with a heater 29 for heating the washing water stored in the washing water receiving portion 21 in the washing water receiving portion 21. .

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. In addition, a flow path control device 25 is installed outside the washing water container, and a flow path control valve 26 is axially coupled to the flow path control device. In addition, the drain chambers 22 are equipped with drain pumps 51 and 52, and the drain pumps 51 and 52 include 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 which crushes the food wastes by being rotated to the shaft of the washing motor 41 is axially coupled, and a predetermined amount of the food wastes can be filtered on the upper side of the disposer 45. The screen 46 with the mesh is arranged.

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. do. The recovery hole 82 is in communication with the sump housing 20.

Referring to Figure 3, it will be described with respect to the oil chamber housing.

The oil chamber housing 70 includes a washing water inlet 72 formed to introduce the washing water pumped from the impeller 42, main passages 73a and 73b and a sampling passage 74 connected to the washing water inlet; A dirt chamber 75 or the like connected to the sampling flow path 74 is formed. At this time, the drainage portion 75a of the waste chamber is provided with an opening / closing valve so as to discharge the washing water and food waste of the waste chamber 75 to the drainage chamber 22 (see FIG. 2) during the drainage stroke.

In addition, a flow path control valve 26 is rotatably seated on the washing water inlet 72 of the dirt chamber housing 70 so as to open and close the main flow path, and the flow path control valve 26 is a flow path installed in the sump housing 20. It is axially coupled to the switching device 25 (see FIG. 2). At this time, the opening and closing rib 26a is formed at the edge of the flow path control valve 26 to open and close the main flow path.

Referring to Figure 4, when describing the heater mounting portion of the conventional sump assembly as follows.

The heater mounting portion 30 is mounted with a heater 29 for heating the washing water, it is provided on one side of the sump housing (20).

As shown, the heater mounting portion 30 is configured to include a heater mounting hole 31 formed in the transverse direction and a side wall 32 provided around the heater mounting hole 31. In addition, the heater 29 is configured such that a portion to be mounted to the heater mounting portion 30 corresponds to the shape of the heater mounting hole 31 and is fitted to the heater mounting portion 30.

Referring to the operation of the dishwasher configured as described above are as follows.

The dishwasher washes the dishes while sequentially or selectively performing pre-washing, main washing, rinsing, heating rinsing and drying. A drain stroke is performed between each of these strokes. Hereinafter, the main washing and draining operations will be described.

When the main washing stroke is started, the impeller 42 is rotated as the washing motor 41 is rotated. Such an impeller pumps the washing water (including detergent) of the sump housing 20 to the washing water inlet 72 (see FIG. 3) of the impeller housing 60 as shown in FIG. 4.

At this time, as the flow path control device 25 is rotated, the flow path control valve 26 simultaneously opens the two main flow paths 73a and 73b, or selectively opens although not shown. Thus, some of the washing water of the washing water inlet 72 is introduced into the upper and / or injection arms (4, 6) through the main flow path (73a, 73b), the remainder through the sampling flow path (74) Flows into (75).

At this time, the flow path control valve 26 is open at the same time or alternately open the two main flow paths (73a, 73b) so that the washing water is supplied to both the upper and lower injection arms.

At the same time, a part of the washing water always flows into the sampling flow path 74 regardless of which main flow path the flow path control valve 26 opens.

The washing water of the sampling flow path 74 directly flows into the waste chamber 75, and the washing water overflows through the filter 81 (see FIG. 2) located above the waste chamber 75. At this time, the filter 81 filters out foreign substances contained in the washing water.

The filtered washing water and the washing water separated from the upper and lower spray arms 5 and 6 flow into the sump housing 20 again through the recovery hole 82 of the cover 80.

This filtered wash water seems to be partially filtered in a short time, but almost all wash water is filtered out during the main washing process.

After this wash stroke is completed, the drain stroke begins.

When the drain stroke is started, the drain pumps 51 and 52 are operated. At this time, the washing water and food waste of the sump housing 20 flows into the drain pumps 51 and 52 by the suction force of the drain pump. At the same time, the washing water and food waste in the dirt chamber 75 are also introduced into the drain pumps 51 and 52 through the drain portion 75a as shown in FIG. 5B. The washing water and food waste introduced into the drain pumps 51 and 52 are drained to the outside through the drain hose 9 (see FIG. 1).

However, the sump assembly of the conventional dishwasher has the following problems.

First, when mounting a heater for heating the washing water stored in the washing water receiving unit to the heater mounting portion, the heater mounting portion is deformed, there is a gap between the heater mounting portion and the heater mounted thereon, there is a problem that the wash water stored in the washing water receiving portion leaks .

Second, due to the leakage occurs in the heater mounting portion, as a result, there was a problem that the cleaning performance is degraded and adversely affect the durability of the surrounding parts.

Third, since the wash water mixed with the dirt by the leakage is left to the outside, the dirt present in the wash water is decaying over time, there is a problem that odor occurs. In addition, there was a problem that it is inconvenient to remove the dirt when the residue remains outside the sump assembly.

The present invention is to solve the above-mentioned conventional problems, an object of the present invention is to provide a sump assembly of the dishwasher to prevent the leakage of the washing water stored in the washing water receiving unit to prevent deformation of the heater mounting portion.

Another object of the present invention is to provide a sump assembly of a dishwasher which prevents leakage of the washing water by the heater mounting unit, thereby improving washing performance and durability of the product.

Still another object of the present invention is to provide a sump assembly of a dishwasher that is comfortable and clean by preventing the washing water from being discharged to the outside of the sump assembly.

In order to achieve the above object, the present invention, the sump housing for storing the wash water; An impeller housing coupled to the sump housing to accommodate an impeller for pumping the washing water; A heater mounting part provided in the sump housing and equipped with a heater for heating the washing water; And, provided adjacent to the heater mounting portion, to provide a sump assembly of the dishwasher comprising one or more reinforcing ribs for preventing deformation of the heater mounting portion.

And, it is preferable that the heater is detachably coupled to the heater mounting portion. In addition, the reinforcing rib is made of a part surface of the sump housing is bent, it is more preferably formed integrally with the sump housing.

On the other hand, it is preferable that the reinforcing rib is provided inside the sump housing, and the sump housing protrudes upward.

The heater mounting portion may extend longer than the bottom surface of the sump housing, and a plate-shaped reinforcing rib may be coupled to the bottom extension portion of the heater mounting portion and the bottom surface of the sump housing, and arranged laterally.

In addition, the reinforcing rib is preferably formed integrally with the heater mounting portion and the sump housing.

On the other hand, the reinforcing ribs are preferably provided at the upper and lower portions of the heater mounting portion, respectively.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, preferred embodiments of the present invention in which the object of the present invention can be specifically realized will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

5 is a side view showing a sump housing of the sump assembly according to the present embodiment, FIG. 6 is a perspective view showing a sump housing of the sump assembly according to the present embodiment, and FIG. 7 is a form in which a reinforcing rib is formed in the sump housing according to the present embodiment. It is a partial sectional drawing of the sump housing shown.

The basic configuration of the sump assembly according to the present embodiment is the same as in the prior art. That is, the sump housing 20 for storing the washing water; An impeller housing (60) coupled to the sump housing (20) for receiving an impeller for pumping the washing 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 (5, 6); A filter housing (80) provided at an upper portion of the impeller housing (60) and accommodating a filter (81) for filtering the washing water therein; The sump housing 20 is configured to include a heater mounting part 300 on which a heater 29 for heating the washing water is mounted.

However, in the present exemplary embodiment, the heater mounting part 300 is provided at a portion adjacent to the heater mounting part 300, and further includes one or more reinforcing ribs 910 and 930 for preventing deformation of the heater mounting part 300.

Since the sump housing 20, the impeller housing 60, the dirt chamber housing 70, and the filter housing 80, which are the components of the present exemplary embodiment, have the same basic construction as the related art, a description thereof will be omitted.

The heater mounting unit 300 is equipped with a heater 29 for heating the washing water, is provided on one side of the sump housing 20 as in the prior art. In addition, the heater mounting part 300 is configured to include a heater mounting hole 310 formed in the transverse direction and a side wall 330 formed outside the heater mounting hole 310.

On the other hand, the heater 29 is detachably coupled to the heater mounting portion 300, the portion in which the heater 29 is mounted to the heater mounting portion 300 in a shape corresponding to the heater mounting hole 310. It is configured to be fitted to the heater mounting portion 300.

The reinforcing ribs 910 and 930 are components for preventing deformation of the heater mounting unit 300 on which the heater 29 is mounted. In particular, the reinforcing ribs 910 and 930 minimize deformation of the heater mounting hole 310 into which the heater 29 is inserted. It is configured to.

The term 'rib' refers to a skeleton attached to reinforce a thin plate or thin part in a mechanical part, and is generally made of a separate member. However, in the present specification, a rib is formed integrally with another member as well as a separate member. The term 'rib' is used to include the term 'rib'.

The conventional heater mounting portion 300 is simply composed of a heater mounting hole 310 that can be inserted into the heater 29, the deformation easily occurs when inserting the heater 29, and consequently wash water through the gap caused by the deformation Had a problem of leaking.

In this embodiment, reinforcing ribs 910 and 930 are provided at a portion adjacent to the heater mounting part 300 in order to solve various problems caused by the deformation of the heater mounting part 300.

The reinforcing ribs 910 and 930 are configured to be adjacent to the heater mounting part 300 to prevent deformation of the heater mounting part 300. In this embodiment, the reinforcing ribs 910 and 930 are illustrated in the upper and lower portions of the heater mounting part 300, respectively.

Hereinafter, the upper reinforcing rib 910 positioned at the upper portion and the lower reinforcing rib 930 positioned at the lower portion will be described.

In the present embodiment, the upper reinforcing rib 910 configured at the upper portion is formed by bending a part of the sump housing 200 as shown in FIG. 6 and is integrally formed with the sump housing 200. In other words, the reinforcing rib 910 is formed by bending a part of the sump housing 200 without making a separate reinforcing rib and coupling it to the heater mounting unit 300.

By integrally formed in the sump housing 200 as in this embodiment, it is possible to simplify the production process of the sump assembly and to relatively reduce the production cost. Of course, it is also possible to manufacture a separate reinforcing rib, to be coupled to the adjacent portion to the heater mounting portion 300.

On the other hand, the upper reinforcing rib 910 is provided on the inside of the sump housing 200, as shown in Figure 6, it is made of a curved upward.

In the present embodiment, the lower reinforcement ribs 930 provided in the lower portion are formed in a plate shape, and the extension part 331 of the side wall extending longer than the bottom surface of the sump housing 200 and the sump housing 20 are provided. Are coupled to the bottom surface of each. In addition, the lower reinforcing rib 930 is made of one or more, it is disposed at a predetermined interval in the transverse direction.

The lower reinforcing rib 930 may be manufactured separately and coupled to the sump assembly by welding, or the like, together with the sump housing 200 and the heater mounting part 300 by injection molding or the like. It is preferable to form the furnace in terms of simplification of production process and cost reduction.

Meanwhile, in this embodiment, the profile of the lower reinforcement rib 930 is formed in a smooth streamline shape, but the shape of the lower reinforcement rib 930 is not limited thereto.

In this embodiment, the reinforcing ribs 910 and 930 are provided on the upper and lower portions, respectively, and the shape of the reinforcing ribs 930 positioned on the upper and lower portions is configured differently. However, the present invention is provided to be adjacent to the heater mounting portion 300 to prevent deformation of the heater mounting portion 300, regardless of the position of the reinforcing ribs 910, 930, reinforcing ribs provided on the upper and lower 910 and 930 may freely adopt any of the above-described forms of reinforcing ribs.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them.

Therefore, the above-described embodiments should be regarded as illustrative rather than restrictive, and thus, the present invention is not limited to the above description and may be modified within the scope of the appended claims and their equivalents.

The sump assembly of the dishwasher according to the present invention having the above configuration has the following effects.

First, by preventing deformation of the heater mounting portion by the reinforcing ribs provided adjacent to the heater mounting portion, there is an advantage of preventing leakage of the washing water.

Second, by preventing the leakage of the wash water through the heater mounting portion through the reinforcing rib, it is possible to improve the cleaning performance and durability of the product.

Third, by preventing the washing water discharged to the outside of the sump assembly, there is an advantage that the dishwasher can be used comfortably and cleanly.

Claims (7)

Sump housings for storing wash water; An impeller housing coupled to the sump housing to accommodate an impeller for pumping the washing water; A heater mounting part provided in the sump housing and equipped with a heater for heating the washing water; And, The sump assembly of the dishwasher is provided adjacent to the heater mounting portion, and comprises one or more reinforcing ribs for preventing deformation of the heater mounting portion. The method of claim 1, The heater, The sump assembly of the dishwasher, characterized in that detachably coupled to the heater mounting portion. The method of claim 1, The reinforcing rib is formed by bending a part of the surface of the sump housing, and the sump assembly of the dishwasher, wherein the sump housing is integrally formed. The method of claim 3, The reinforcing rib, It is provided inside the sump housing, the sump assembly of the dishwasher, characterized in that the sump housing protrudes upward. The method of claim 1, The heater mounting portion extends longer than the bottom surface of the sump housing, the plate-shaped reinforcing ribs are coupled to the lower extension portion of the heater mounting portion and the bottom surface of the sump housing, characterized in that arranged in the transverse direction Sump assembly. The method of claim 5, The reinforcing rib is sump assembly of the dishwasher, characterized in that formed integrally with the heater mounting portion and the sump housing. The method of claim 1, The reinforcing rib, The sump assembly of the dishwasher, characterized in that provided in the upper and lower portions of the heater mounting portion.

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