阅读说明：本技术 一种可快速生成蒸汽的洗碗机 (Dish washer capable of quickly generating steam ) 是由 朱泽春 李刚灵 吴清劭 杨夫健 于 2019-06-24 设计创作，主要内容包括：本发明提供了一种可快速生成蒸汽的洗碗机,包括内胆和加热器,所述内胆的底部形成有循环水槽,所述循环水槽内设有纵向的隔离壁,所述隔离壁内围成蒸发腔,所述隔离壁外形成聚水腔,所述蒸发腔内安装所述加热器,所述蒸发腔上设有连通所述内胆的蒸汽出口,所述隔离壁上设有连通所述蒸发腔与所述聚水腔的缺口,所述聚水腔内设有下水口,所述下水口下方设置有水杯,所述水杯通过所述下水口连通所述循环水槽,所述循环水槽的上方安装有过滤网,所述隔离壁位于所述过滤网与所述循环水槽的底壁之间,所述隔离壁与所述过滤网及所述循环水槽的底壁形成所述蒸发腔。所述洗碗机结构简单、可以快速生成蒸汽,洗涤、消毒效果理想,不易产生水垢。(The invention provides a dish washer capable of quickly generating steam, which comprises an inner container and a heater, wherein a circulating water tank is formed at the bottom of the inner container, a longitudinal separation wall is arranged in the circulating water tank, an evaporation cavity is enclosed in the separation wall, a water collecting cavity is formed outside the separation wall, the heater is arranged in the evaporation cavity, a steam outlet communicated with the inner container is arranged on the evaporation cavity, the separation wall is provided with a gap for communicating the evaporation cavity with the water collection cavity, a drainage port is arranged in the water collection cavity, a water cup is arranged below the water outlet and is communicated with the circulating water tank through the water outlet, the evaporation device is characterized in that a filter screen is installed above the circulating water tank, the partition wall is located between the filter screen and the bottom wall of the circulating water tank, and the partition wall, the filter screen and the bottom wall of the circulating water tank form the evaporation cavity. The dishwasher has simple structure, can quickly generate steam, has ideal washing and sterilizing effects and is not easy to generate scale.)

1. A dishwasher capable of quickly generating steam comprises an inner container and a heater, wherein a circulating water tank is formed at the bottom of the inner container, it is characterized in that a longitudinal separation wall is arranged in the circulating water tank, an evaporation cavity is enclosed in the separation wall, the outside of the partition wall forms a water collecting cavity, the heater is arranged in the evaporation cavity, a steam outlet communicated with the inner container is arranged on the evaporation cavity, the separation wall is provided with a gap for communicating the evaporation cavity with the water collection cavity, a drainage port is arranged in the water collection cavity, a water cup is arranged below the water outlet and is communicated with the circulating water tank through the water outlet, a circulating water port and a water outlet are arranged in the water cup, a filter screen is arranged above the circulating water tank, the separation wall is located between the filter screen and the bottom wall of the circulating water tank, and the separation wall, the filter screen and the bottom wall of the circulating water tank form the evaporation cavity.

2. The dishwasher of claim 1, wherein a mounting hole is formed on a bottom wall of the evaporation cavity, the heater is mounted in the mounting hole, a sealing ring is arranged between the heater and a wall of the mounting hole, and the sealing ring is arranged to protrude out of the bottom wall of the circulating water tank to form the separation wall.

3. The dishwasher of claim 2, wherein the gasket includes a gasket sidewall surrounding the heater and a gasket bottom wall supporting the heater, the gasket sidewall including a raised portion projecting above the upper surface of the heater, the raised portion defining the evaporation chamber therein.

4. The dishwasher of claim 1, wherein the dividing wall comprises an annular rib disposed on a bottom wall of the circulation water tank, the annular rib enclosing the evaporation chamber therein.

5. The dishwasher of claim 4, wherein the annular rib extends upwards from the upper wall surface of the bottom wall of the circulating water tank, and is covered with a top wall, and the top wall or the side wall of the annular rib is provided with the steam outlet communicated with the inner container.

6. The dishwasher of claim 1, wherein the partition wall includes an annular rib extending from a lower end surface of the filter screen toward the heater, the annular rib enclosing the evaporation chamber therein.

7. The dishwasher of claim 6, wherein the heater is arranged on the bottom wall of the circulating water tank, and the projection of the heater on the plane of the filter screen is positioned in the projection area of the annular convex rib on the plane of the filter screen.

8. The dishwasher of any one of claims 1 to 7, wherein the dishwasher has a circulating washing water level higher than the filter screen and an evaporation water level lower than the filter screen and higher than the heater.

9. The dishwasher of claim 8, wherein the notch is provided adjacent to a side of the drain opening, and a bottom surface of the evaporation chamber is provided to be gradually inclined downward toward the side of the drain opening.

10. The dishwasher according to any one of claims 1 to 7, wherein the heater is a heat generating plate, and the ratio of the projection area of the evaporation cavity on the circulating water tank to the area of the heat generating plate is 1: 1-2: 1.

Technical Field

The invention relates to the field of kitchen appliances, in particular to a dish washing machine.

Background

The washing process of the existing dish washing machine is usually realized by adopting a spray arm to spray in a rotating way, the spray arm is driven by a circulating water pump, and water flow sprayed by the spray arm flushes pollutants on tableware so as to achieve the aim of cleaning. The temperature of the water flow, the pressure of the water flow, the arrangement of the spray holes and the washing method all affect the final cleaning effect.

In order to remove the pollutants on the tableware to the maximum extent possible, most dishwashers use heating elements to heat the water to about 70 ℃ to enhance the decontamination effect, but part of the pollutants remained on the tableware are stubborn, and the tableware cannot be washed clean by high-temperature water. Some dish washers are also provided with a separate steam generator to generate high-temperature steam for raising the temperature of the washing cavity to about 100 ℃ so as to soften oil stains on the tableware and achieve the effects of improving washing and disinfection; but structure is complicated like this, greatly increased dish washer's cost, and steam generator directly utilizes unfiltered water to produce the incrustation scale easily simultaneously, inconvenient clearance, and steam passes through the nozzle and produces in addition, is difficult to produce a large amount of steam fast, and washing, disinfection effect are unsatisfactory.

Disclosure of Invention

The invention aims to provide a dish washing machine which can quickly generate steam, has ideal washing and disinfecting effects and is not easy to generate scale.

In order to solve the technical problems, the invention adopts the following technical scheme:

a dishwasher capable of quickly generating steam comprises an inner container and a heater, wherein a circulating water tank is formed at the bottom of the inner container, a longitudinal separation wall is arranged in the circulating water tank, an evaporation cavity is enclosed in the separation wall, a water collecting cavity is formed outside the separation wall, the heater is arranged in the evaporation cavity, a steam outlet communicated with the inner container is arranged on the evaporation cavity, the separation wall is provided with a gap for communicating the evaporation cavity with the water collection cavity, a drainage port is arranged in the water collection cavity, a water cup is arranged below the water outlet and is communicated with the circulating water tank through the water outlet, a circulating water port and a water outlet are arranged in the water cup, a filter screen is arranged above the circulating water tank, the separation wall is located between the filter screen and the bottom wall of the circulating water tank, and the separation wall, the filter screen and the bottom wall of the circulating water tank form the evaporation cavity.

Preferably, the partition wall comprises an annular convex rib arranged on the bottom wall of the circulating water tank, and the evaporation cavity is enclosed by the annular convex rib.

Preferably, the annular convex rib extends upwards from the upper wall surface of the bottom wall of the circulating water tank, a top wall covers the annular convex rib, and the top wall or the side wall of the annular convex rib is provided with the steam outlet communicated with the inner container.

Preferably, the bottom wall of the evaporation cavity is provided with a mounting hole, the heater is mounted in the mounting hole, a sealing ring is arranged between the heater and the hole wall of the mounting hole, and the sealing ring protrudes out of the bottom wall of the circulating water tank to form the partition wall.

Preferably, the sealing ring comprises a sealing ring side wall wrapped outside the heater and a sealing ring bottom wall used for supporting the heater, the sealing ring side wall comprises a protruding portion protruding out of the upper surface of the heater, and the protruding portion is surrounded into the evaporation cavity.

Preferably, the partition wall includes an annular rib extending from a lower end surface of the filter screen toward the heater, and the evaporation cavity is enclosed by the annular rib.

Preferably, the heater is arranged on the bottom wall of the circulating water tank, and the projection of the heater on the plane where the filter screen is located in the projection area of the annular convex rib on the plane where the filter screen is located.

Preferably, the dishwasher has a circulation washing water level and an evaporation water level, the circulation washing water level is higher than the filter screen, the evaporation water level is lower than the filter screen, and the evaporation water level is higher than the heater.

Preferably, the notch is arranged close to one side of the lower water gap, and the bottom surface of the evaporation cavity is gradually inclined downwards towards one side of the lower water gap.

Preferably, the heater is a heating plate, and the ratio of the projection area of the evaporation cavity in the circulating water tank to the area of the heating plate is 1: 1-2: 1.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the circulating water tank at the bottom of the inner container is divided into the water collecting cavity and the evaporating cavity by the partition wall, so that when the water level in the inner container is not higher than the partition wall, the water in the evaporating cavity and the water in the evaporating cavity are subjected to slower heat conduction through the gap, the heat generated by the heater is favorably concentrated in the evaporating cavity, the steam is rapidly generated in the small space of the evaporating cavity, and the phenomenon that the excessive heat generated by the heater is brought away by the large-area contact of the water in the water collecting cavity and the water in the evaporating cavity is avoided. When the dish washer is in a steam cleaning or disinfection stage, the water level in the inner container is not higher than the partition wall, the heater is heated, and the water in the evaporation cavity is heated to quickly generate steam; in a short time, a large amount of steam enters the inner container through the steam outlet, and can fully soften or disinfect the oil stains on the tableware placed in the inner container, thereby producing ideal washing and disinfecting effects; when the dishwasher is in a normal spraying and cleaning stage, the water level in the circulating water tank is higher than the partition wall, so that the water in the water collecting cavity and the water in the evaporation cavity are communicated, and when the heater is used for heating, the water in the whole circulating water tank is uniformly heated, so that the heated water enters the circulating pump through the water outlet and the circulating water outlet, and the circulating spraying and cleaning are carried out. In addition, this dish washer is through introducing the filter screen in circulation tank top for the water that gets into the evaporation chamber is through filtering, can prevent to produce the incrustation scale in evaporation intracavity portion heating, eliminates the potential safety hazard, and does not adopt solitary steam generator, machine simple structure, cost reduction.

2. The separating wall comprises an annular convex rib arranged on the bottom wall of the circulating water tank, an evaporation cavity is enclosed in the annular convex rib, the evaporation cavity is formed by utilizing the structure of the circulating water tank, the structure is simple, and the forming is convenient; in an embodiment, the annular convex rib extends upwards, the top wall covers the annular convex rib to form a closed evaporation cavity, heat loss is reduced, and steam generation efficiency is improved.

3. In the dishwasher, the bottom of the inner container is provided with the circulating water tank, so that when water enters the inner container, the water is accumulated in the circulating water tank because the circulating water tank is positioned at the bottom; the bottom wall of the circulating water tank is provided with a mounting hole, and the heater is mounted in the mounting hole so as to heat the water in the circulating water tank; a sealing ring is formed between the heater and the wall of the mounting hole, so that water leakage at the mounting hole can be prevented, the sealing performance of the liner is improved, a heat insulation effect can be generated, and the heater is placed to be directly contacted with the liner, so that the liner is damaged at high temperature; in addition, the heater adopts the sealing washer to seal, and not adopt to beat the glued structure and seal for under the good condition of leakproofness of guaranteeing the heater, make the heater can dismantle, the maintenance is simple, the recycle of being convenient for.

4. The side wall of the sealing ring protrudes out of the upper surface of the heater, an evaporation cavity is formed in the protruding part, the upper surface of the heater forms the bottom surface of the evaporation cavity, and the protruding part separates the evaporation cavity from the circulating water tank, so that when the water level in the liner is not higher than the side wall of the sealing ring, slow heat conduction is carried out between water in the evaporation cavity and other water in the circulating water tank, heat generated by the heater is favorably concentrated in the water in the evaporation cavity, steam is generated quickly, and excessive heat generated by the heater is prevented from being brought away by the fact that the other water in the circulating water tank is in large-area contact with the water in the evaporation cavity; the heater supports on the sealing washer diapire, plays thermal-insulated effect for the heat of heater is concentrated more, also avoids the heat transfer of heater to lead to the inner bag bottom to take place high temperature deformation damage simultaneously.

5. Be equipped with the protruding muscle of annular that extends towards the heater on the lower terminal surface through the filter screen, form the evaporation chamber in the protruding muscle of annular, the protruding muscle of annular separates the evaporation chamber from the circulating water tank, make the water of evaporation intracavity carry out slower heat-conduction with the water that gathers water the intracavity, be favorable to concentrating on the evaporation intracavity with the heat that the heater produced, so that produce steam fast, the water of avoiding gathering water the intracavity contacts the heat of taking away too much heater production with the water large tracts of land in evaporation chamber, when dish washer is in the steam softening or disinfection stage, the heating plate heats, the water that makes the evaporation chamber is heated fast, the evaporation produces steam, the greasy dirt on the tableware in the inner bag softens, reach and improve the washing effect, sterile effect.

6. The projection of the heater on the plane of the filter screen is located in the projection area of the annular convex rib on the plane of the filter screen, so that the cross-sectional area of an evaporation cavity formed by the annular convex rib is larger than the area of the upper surface of the heater, and the whole upper surface of the heater can be fully utilized to heat water in the evaporation cavity and quickly generate steam. In addition, the evaporation cavity formed by the annular convex ribs is large in size so as to ensure that a large amount of steam can be generated for steam softening and disinfection.

7. The circulating washing water level is set to be higher than the filter screen, and the evaporation water level is set to be lower than the filter screen, so that the water level in the inner container of the dish washing machine is higher than the partition wall when the dish washing machine is in a normal spraying and cleaning stage, and the water in the water containing groove and the evaporation cavity are communicated, and thus when the heater is heated, the water in the whole inner container is heated more uniformly so as to be convenient for spraying and cleaning; when the dish washer is in a steam softening or disinfecting stage, because the water level in the inner container is not higher than the separation wall, the heating plate is heated at the moment, so that water in the evaporation cavity is quickly heated and evaporated to generate steam, the steam enters the inner container of the dish washer to soften oil stains on tableware in the inner container, and the effects of improving the washing effect and disinfecting are achieved; in addition, the evaporation water level is set to be higher than the heater, so that dry burning in the evaporation process is prevented.

8. The separation wall is provided with a notch for communicating the evaporation cavity with the water collection cavity, the notch is arranged close to one side of the lower water opening, and the path is shortened, so that water in the evaporation cavity can quickly flow into the lower water opening through the notch during water drainage and is finally discharged from the water outlet of the water cup, and accumulated water in the evaporation cavity is avoided; the bottom surface of the evaporation cavity is an inclined plane which is gradually inclined downwards along the direction towards the notch, so that the water in the evaporation cavity is further conveniently discharged, and the accumulated water is avoided.

9. The ratio of the projection area of the evaporation cavity in the circulating water tank to the area of the heating disc is set to be 1: 1-2: 1, so that the heating disc is located in the evaporation cavity, water in a small space of the evaporation cavity is fully heated, steam is rapidly generated, and a large amount of steam can be generated for steam softening and disinfection; when the ratio is more than 2:1 or less than 1:1, the heat utilization rate and the space utilization rate of the heating plate are not ideal.

Drawings

FIG. 1 is a schematic view of a dishwasher according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a lower liner assembly according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a lower liner assembly (without a filter screen) according to a first embodiment of the present invention;

fig. 4 is an exploded schematic view of a lower liner assembly according to a first embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a lower liner assembly according to a first embodiment of the present invention;

FIG. 6 is an enlarged view of the structure of part A of FIG. 5;

fig. 7 is a schematic perspective view of an annular rib according to a first embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of an annular rib according to a first embodiment of the present invention;

fig. 9 is an exploded schematic view of a lower liner assembly according to a second embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view of a lower liner assembly according to a second embodiment of the present invention;

FIG. 11 is an enlarged view of the structure of part B of FIG. 10;

fig. 12 is a schematic structural view of a lower liner assembly according to a second embodiment of the present invention;

fig. 13 is an exploded schematic view of a lower liner assembly according to a third embodiment of the present invention;

fig. 14 is a schematic cross-sectional view of the lower liner in the third embodiment of the present invention;

FIG. 15 is an enlarged view of the structure of section C of FIG. 14;

fig. 16 is a schematic structural view of a lower liner assembly in the third embodiment of the present invention;

fig. 17 is an exploded schematic view of a lower liner assembly according to a fourth embodiment of the present invention;

fig. 18 is a schematic structural view of a lower liner assembly according to a fourth embodiment of the present invention;

FIG. 19 is a schematic cross-sectional view of a lower liner assembly according to a fourth embodiment of the present invention;

FIG. 20 is an enlarged schematic view of the D-section of FIG. 19;

FIG. 21 is a schematic view of an assembly structure of a filter screen and an annular rib according to a fourth embodiment of the present invention;

fig. 22 is a schematic cross-sectional view of a filter screen and an annular rib according to a fourth embodiment of the present invention.

The reference names are as follows:

1. the water heater comprises a lower inner container, 11 parts of a circulating water tank, 111 parts of an evaporation cavity, 112 parts of a water collecting cavity, 113 parts of a water discharging port, 12 parts of a water cup, 121 parts of a water discharging port, 122 parts of a circulating water port, 13 parts of a separation wall, 131 parts of an annular convex rib, 132 parts of a top wall, 133 parts of a bulge, 134 parts of a steam outlet, 14 parts of an installation through hole, 15 parts of a step hole, 16 parts of a notch, 17 parts of a screw column, 2 parts of a heating plate, 21 parts of a fixing lug, 3 parts of a sealing ring, 31 parts of a sealing ring bottom wall, 32 parts of a groove, 4 parts of a filtering net, 5 parts of.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples.