CN211093849U - Dish washing machine - Google Patents

Abstract

The utility model discloses a dish washer, which comprises a washing chamber used for washing tableware; the water collecting tank is arranged at the bottom of the washing chamber, is provided with a groove part and is used for collecting washing water, and the side wall of the groove part is provided with a through hole; a water inlet of the circulating pump is communicated with the through hole of the water collecting tank; and the heater is arranged in the groove part of the water collecting tank, and at least part of the heater is arranged close to the through hole. Above-mentioned dish washer through set up the heater in the concave part of water catch bowl, the water inlet setting that the heater is close to the circulating pump has improved the heating efficiency of washing water, need not to increase the pump casing volume of circulating pump, and the pump casing is long-pending little, has reduced dish washer's occupation space.

Description

dishwasher

technical field

The utility model relates to the technical field of household appliances, in particular to a dishwasher.

Background technique

In the prior art drawer dishwasher, a sump is arranged at the lower part of the washing chamber to collect water for washing dishes, and then the collected water is circulated by a circulation pump. Existing dishwashers usually use a circulating pump integrated with a heater to heat the washing water, so as to improve the cleaning and decontamination effect. However, when the number of cutlery sets is large, the power requirement of the heater becomes larger. Due to the influence of the size of the heating pipe of the heater, the integrated circulating pump has to increase the pump casing of the circulating pump in order to achieve the heating purpose, thereby increasing the circulation rate. The space of the pump is occupied, resulting in a larger space for the dishwasher.

Utility model content

Based on this, the technical problem to be solved by the present invention is to provide a dishwasher with small occupied space and good cleaning effect.

For realizing above-mentioned utility model purpose, the utility model adopts following technical scheme to realize:

A dishwasher comprising:

Washing room for washing dishes;

a water collecting tank, arranged at the bottom of the washing chamber, the water collecting tank has a groove part for collecting washing water, and a through hole is provided on the side wall of the groove part;

a circulating pump, the water inlet of the circulating pump is communicated with the through hole of the water collecting tank;

The heater is arranged in the groove portion of the water collecting tank, and at least part of the heater is arranged close to the through hole.

Further, the dishwasher also includes:

a flow guiding device is arranged in the groove part of the water collecting tank; a cavity is formed between the flow guiding device and the peripheral wall of the groove part, and the cavity is communicated with the water inlet of the circulating pump; the heating The device is arranged in the cavity around the peripheral wall of the groove portion; a plurality of guide holes are arranged on the side of the guide device away from the through hole.

Further, the diversion device includes a coarse filter with the cavity between the coarse filter and the peripheral wall of the water collecting tank; a coarse filter hole is provided on the side of the coarse filter away from the through hole, The coarse filter holes form the guide holes.

Further, the flow guiding device further includes a fine filter, the fine filter has an open upper portion and an open lower portion; the coarse filter passes through the open upper portion of the fine filter and is arranged on the fine filter There is the cavity between the fine filter and the inner wall of the sump; a fine filter is arranged on the side of the fine filter away from the through hole, and the mesh of the fine filter forms the diversion hole.

Further, the flow guiding device comprises a fine filter, the fine filter has an open upper portion and an open lower portion; the cavity is formed between the fine filter and the inner wall of the sump; the fine filter is far away from A fine filter screen is arranged on one side of the through hole, and the mesh holes of the fine filter screen form the diversion hole; a coarse filter is also arranged in the water collecting tank, and the coarse filter passes through the The open upper part of the fine filter is arranged in the fine filter.

Further, the coarse filter has a cylindrical shape with a grid, and the grid forms the coarse filter holes.

Further, a flat filter is also included, the flat filter covers the groove part of the water collecting tank and is arranged around the coarse filter.

Further, a drain port is provided on the water collecting tank, and a drain pump is provided at the drain port.

Further, the heater includes a heating pipe, and the heating pipe is fixed to the water collecting tank.

Further, it also includes a spraying device arranged in the washing chamber, the water inlet of the circulating pump is connected with the water collecting tank, and the water outlet of the circulating pump is connected with the spraying device.

Compared with the prior art, the advantages and positive effects of the present utility model are:

In the above-mentioned dishwasher, by arranging a heater in the groove portion of the sump, and the heater is arranged close to the water inlet of the circulating pump, the heating efficiency of the washing water is improved, and the volume of the pump casing of the circulating pump does not need to be increased, and the volume of the pump casing is small, The space occupied by the dishwasher is reduced.

Other features and advantages of the present invention will become more apparent after reading the specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic structural diagram of a water collecting tank, a filter and a circulating pump in Embodiment 1 of the dishwasher of the present invention;

Fig. 2 is the exploded view of Fig. 1;

Fig. 3 is the partial sectional view of Fig. 1;

4 is a schematic structural diagram of a heater in Embodiment 1 of the present invention;

5 is a schematic diagram of the flow path of washing water in Embodiment 1 of the present utility model;

6 is a schematic structural diagram of a water collecting tank, a filter and a circulating pump in Embodiment 2 of the dishwasher of the present invention;

Description of reference numbers:

Sump 100; Drain 110; Cavity 120;

Circulating pump 200; water inlet 210; water outlet 220; heating part 230;

heater 300; horizontal section 310; first vertical section 320; second vertical section 330; heater 300';

Fine filter 410; Coarse filter 420, 420'; Flat filter 430;

pressure switch 500;

Fixture 600;

Circulation pipe joint 700.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

It should be noted that, in the description of the present invention, the terms "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or The terminology of the positional relationship is based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood To limit the utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

1-5, it is the first embodiment of the dishwasher of the present invention.

The dishwasher includes a washing chamber, a sump 100, a circulation pump 200, a drain pump, and a spray device disposed in the washing chamber. The drawings in this embodiment only show parts such as the water collecting tank 100 and the circulating pump 200 , and the remaining parts are the existing structures and will not be described in detail. The washing room is used for washing dishes. The sump 100 is disposed at the bottom of the washing chamber for collecting washing water used in the washing process. The sump 100 may be formed by a depression at the bottom of the washing chamber, or may be fixed at the bottom of the washing chamber as a separate part. In this embodiment, the water collecting tank includes a water collecting tank body, the middle of the water collecting tank body is recessed to form a groove portion, the groove portion is cylindrical, and the water collecting tank body is connected to the bottom of the washing chamber. A through hole is provided on the side wall of the groove portion of the water collection tank, which is used to communicate with the water inlet 210 of the circulating pump 200, and the water outlet 220 of the circulating pump 200 is connected with the spray device arranged in the washing room, and the spray device is used for the dishes in the washing room. Do a spray rinse. The circulation pump 200 transports the collected wash water from the sump 100 to the spray device to circulate the water. The water collecting tank 100 is provided with a drain port 110, and the drain pump communicates with the drain port 110 for discharging the washing water when washing is completed. Wherein, a heating component (not shown) may be provided in the circulation pump 200 for heating the washing water, so as to improve the cleaning effect. A heater 300 is also disposed in the groove portion of the water collecting tank 100 , wherein at least part of the heater is disposed close to the through hole, that is, close to the water inlet 210 of the circulating pump 200 . The heater 300 heats the washing water. Since the water flow velocity at the water inlet 210 of the circulating pump is relatively large, when the heater 300 is set here, the water flowing through the heater per unit time can be increased to improve the heating efficiency of the washing water. , thereby improving the cleaning effect. The heater can be located in whole or in part close to the water inlet of the circulating pump.

The above-mentioned dishwasher, by arranging the heater 300 in the groove portion of the sump, and the heater 300 is arranged close to the water inlet 210 of the circulating pump, the heating efficiency of the washing water is improved, and there is no need to increase the volume of the pump casing of the circulating pump 200, The small size of the pump housing reduces the space occupied by the dishwasher.

In order to further improve the heating efficiency of the heater, a diversion device is also provided in the water collecting tank 100 , and a cavity 120 is formed between the guiding device and the inner wall of the water collecting tank 100 , and the cavity 120 is communicated with the water inlet of the circulating pump 200 . The heater 300 is disposed in the cavity 120 around the peripheral wall of the groove portion. The side of the flow guiding device away from the through hole is provided with a plurality of flow guiding holes for flow guiding. When there is no diversion device, when the washing water enters the groove of the water collecting tank, it will flow directly from the middle of the water collecting tank 100 through the through hole into the circulating pump 200, and the washing water will only be heated by a part of the heater located at the through hole. , the heating efficiency is low. As shown in FIG. 5 , when the diversion device is installed, the washing water changes the direction of water flow through the diversion effect of the diversion device, and diverts the washing water to the side away from the water inlet 210 of the circulating pump, which can fully cooperate with the heater 300 Contact, further improve the heating efficiency of the heater and improve the washing effect.

In this embodiment, as shown in FIG. 5 , the flow guiding device includes a coarse filter 420 and a fine filter 410 . The fine filter 410 has an open upper portion and an open lower portion. The coarse filter 420 passes through the open upper portion of the fine filter 410 and is provided inside the fine filter 410 . The cavity 120 is formed between the fine filter 410 and the inner wall of the sump 100 . A fine filter screen is provided on the side of the fine filter 410 away from the through hole, and the mesh holes of the fine filter screen form the guide hole. The lower part of the fine filter 410 is used to communicate with the drain port. Preferably, the coarse filter 420 is detachably mounted on the open top of the fine filter 410 . The coarse filter 420 is capable of filtering out larger size residues and the fine filter 410 is capable of filtering smaller size residues. In this embodiment, coarse filter holes are provided on the peripheral wall of the coarse filter 420 , the coarse filter 420 and the fine filter 410 play a filtering role at the same time, and the fine filter 410 plays a guiding role. In another embodiment, coarse filter holes may also be provided on the side of the coarse filter 420 away from the through holes, and the coarse filter holes also form the guide holes. That is, the coarse filter 420 and the fine filter 410 simultaneously perform filtering and diversion functions.

In this embodiment, the coarse filter 420 is in the shape of a cylinder with grids forming the coarse filter holes, through which the larger-sized residues are filtered out. In other embodiments, the coarse filter 420 may also include a coarse filter screen and a frame for maintaining the cylindrical shape of the coarse filter screen, and the mesh holes of the coarse filter screen form the coarse filter holes.

A flat filter 430 is further provided in the water collection tank. The flat filter 430 includes a flat filter screen, which is configured to cover the groove portion of the water collection tank 100 and is arranged around the coarse filter. The size of its pores is larger than that of the fine filter 410 and smaller than that of the coarse filter 420 . The flat filter can divide the flow to a large extent and can solve the problem that only the coarse filter and the fine filter have a slow filtration speed and are easy to block.

After the washing water in the washing chamber is collected into the sump 100, part of the washing water enters the coarse filter 420, and is filtered by the coarse filter 420 and the fine filter 410 in turn and enters the space between the fine filter 410 and the inner wall of the sump 100. In the cavity 120; part of the washing water enters the cavity 120 after being filtered by the plane filter 430. The coarse filter 420 and/or the fine filter 410 serve as a filtering structure and a flow guiding device at the same time, and there is no need to set up a guiding structure separately, and the structure is simple, and the guiding device guides the water flow to the heater 300 away from the water inlet of the circulating pump, The heating efficiency of the heater is improved; at the same time, the fine filter 410 and the coarse filter 420 also play a protective role for the heater 300 to prevent residues from accumulating on the heater 300 .

Specifically, as shown in FIG. 4 , the heater 300 includes an integrated heating tube, and the heating tube is inserted into the cavity 120 of the water collecting tank along the vertical direction and fixed. The heating pipe includes a horizontal section 310 , a first vertical section 320 and a second vertical section 330 . The horizontal section 310 is disposed in the cavity 120, is configured to surround the surrounding inner wall of the groove portion of the water collecting tank 100, and is disposed horizontally. In the present embodiment, the horizontal section 310 is arc-shaped and surrounds between the fine filter 410 and the inner wall of the water collecting tank 100 . The upper end of the first vertical section 320 is connected with the first end of the horizontal section 310 ; the upper end of the second vertical section 330 is connected with the second end of the horizontal section 310 . The first vertical section 320 and the second vertical section 330 are fixed to the water collecting tank 100 by a fixing member 600 . The lower ends of the first vertical section 320 and the second vertical section 330 are terminals. An insertion part is provided at the lower part of the water collecting tank 100. During installation, the heater 300 is installed from top to bottom, and the first vertical section 320 and the second vertical section 330 are vertically inserted into the insertion part and extend out of the water collecting tank. It is fixed by the fixing member 600, and the installation and disassembly operations are simple and convenient. In another embodiment, all the heating pipes may be arranged horizontally, and the heating pipes are horizontally inserted into the water collecting tank 100 to be fixed.

The dishwasher also includes a pressure switch 500 for checking the water pressure in the entire water circuit. The pressure switch 500 is connected to the heater 300. When the water is short of water, the pressure switch 500 does not act and the heater 300 is disconnected, so as to prevent the water pressure from being too small and dry burning without water and avoid danger. When the water pressure in the water circuit reaches the preset value, the pressure switch 500 is activated and the heater 300 is activated. The installation position of the pressure switch 500 may be set on the pump casing of the circulating pump 200 or other positions in the water circuit. Preferably, the pressure switch 500 is arranged on the waterway between the water outlet 220 of the circulating pump and the water outlet of the spray device, so as to facilitate the detection of water pressure. In this embodiment, the circulating pump is arranged on one side of the water collecting tank, the water outlet of the circulating pump is arranged upward, and the water collecting tank 100 is provided with a through hole for installing the circulating pipe joint 700 .

The working process of the above-mentioned dishwasher is as follows: the water supplied to the washing chamber is collected in the sump 100, and after the water collected in the sump 100 is heated by the heater 300, it is transported to the sprayer through the circulation pump 200 and the circulation pipe. A shower device is used to spray washing water on the tableware through the spray device to wash the tableware. Thereby, the residue on the dishes is separated from the dishes and collected in the sump 100 together with the water. The residues in the washing water in the sump 100 are filtered out by the filter, and the filtered water is sent to the spraying device again through the circulating pump 200 for washing dishes. After the washing is completed, the residue may be collected in the coarse filter 420, and the washing water is discharged to the outside of the dishwasher through a drain pump and a drain pipe.

Embodiment 2

In this embodiment, as shown in FIG. 6 , the flow guiding device includes a coarse filter 420', and the cavity 120 is provided between the coarse filter 420' and the peripheral wall of the water collecting tank. A coarse filter hole is provided on the side of the coarse filter 420' away from the through hole, and the coarse filter hole forms the guide hole. In this embodiment, the heating pipe 300' is arranged horizontally, and the heating pipe 300' is horizontally inserted into the water collecting tank 100 to be fixed.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, for those of ordinary skill in the art, it is still possible to implement the foregoing implementations. The technical solutions described in the examples are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed by the present invention.

Claims (10)

1. A dishwasher, characterized in that, comprising: Washing room for washing dishes; a water collecting tank, arranged at the bottom of the washing chamber, the water collecting tank has a groove part for collecting washing water, and a through hole is provided on the side wall of the groove part; a circulating pump, the water inlet of the circulating pump is communicated with the through hole of the water collecting tank; The heater is arranged in the groove portion of the water collecting tank, and at least part of the heater is arranged close to the through hole. 2. The dishwasher of claim 1, wherein the dishwasher further comprises: a flow guiding device is arranged in the groove part of the water collecting tank; a cavity is formed between the flow guiding device and the peripheral wall of the groove part, and the cavity is communicated with the water inlet of the circulating pump; the heating The device is arranged in the cavity around the peripheral wall of the groove portion; a plurality of guide holes are arranged on the side of the guide device away from the through hole. 3 . The dishwasher according to claim 2 , wherein the flow guiding device comprises a coarse filter, and the cavity is formed between the coarse filter and the peripheral wall of the sump; the coarse filter is far away from the A coarse filter hole is provided on one side of the through hole, and the coarse filter hole forms the guide hole. 4 . The dishwasher of claim 3 , wherein the flow guiding device further comprises a fine filter, the fine filter has an open upper portion and an open lower portion; the coarse filter passes through the fine filter. 5 . The open upper part of the filter is arranged in the fine filter; the cavity is provided between the fine filter and the inner wall of the sump; the fine filter is provided with a fine filter on the side away from the through hole. A filter screen, the mesh holes of the fine filter screen form the guide holes. 5 . The dishwasher of claim 2 , wherein the flow guiding device comprises a fine filter, the fine filter has an open upper portion and an open lower portion; the fine filter is connected to the inner wall of the sump. 6 . There is the cavity between; the fine filter is provided with a fine filter on the side away from the through hole, and the mesh of the fine filter forms the diversion hole; the water collecting tank is also provided with There is a coarse filter, which passes through the open upper portion of the fine filter and is provided in the fine filter. 6. The dishwasher according to any one of claims 3-5, wherein the coarse filter is in a cylindrical shape having a grid, and the grid forms the coarse filter holes. 7. The dishwasher according to any one of claims 3-5, characterized in that, further comprising a flat filter, the flat filter covers the groove part of the water collecting tank, and is arranged on the rough surface. around the filter. 8 . The dishwasher according to claim 1 , wherein a drain port is provided on the water collecting tank, and a drain pump is provided at the drain port. 9 . 9 . The dishwasher of claim 1 , wherein the heater comprises a heating pipe, and the heating pipe is fixed to the sump. 10 . 10 . The dishwasher according to claim 1 , further comprising a spray device disposed in the washing chamber, the water inlet of the circulating pump is communicated with the water collecting tank, and the outlet of the circulating pump The nozzle is connected with the spray device.

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