Dish-washing machine water path and dish-washing machine

Abstract

The dish-washing machine waterway comprises a water cup, a drainage pump, a respirator and a tail end drainage pipe, the water cup is located at the bottom of an inner container of the dish-washing machine, a hollow drainage part is integrally formed outside the water cup, an inner cavity of the drainage part is communicated with the water cup, an impeller of the drainage pump is arranged in the inner cavity of the drainage part, and a sewage drainage opening is formed in the drainage part; a drainage cavity is formed in the respirator, a first drainage cavity water inlet, a second drainage cavity water inlet and a drainage cavity water outlet which are communicated with the drainage cavity are formed in the respirator, the first drainage cavity water inlet is communicated with the sewage drainage port, and the drainage cavity water outlet is connected with a tail end drainage pipe; a residual water outlet is formed in the lower part of the drainage part and is positioned at the lowest part of the inner cavity of the water cup and the inner cavity of the drainage part; the device further comprises a first self-priming pump. Zero residual water can be achieved, the self-suction water inlet function is achieved, the multiple sprayers are further arranged inside, layered washing can be achieved, water and energy are saved, and the cleaning effect is good.

Description

Technical Field

[0001] The present invention relates to a washing device, and more particularly to a water circuit of a dishwasher, and also to a dishwasher having the water circuit. Background Art

[0002] A dishwasher usually has a water inlet, a drainage and an internal circulation spraying water channel, through which water can be inlet, drain and circulated inside the dishwasher. Among them, when draining water, the current dishwasher only drains water through a drainage pump installed at the bottom of the water cup, which easily produces residual water at the bottom of the inner tank, causing the inside of the dishwasher to easily breed and produce odors, etc., affecting the use effect of the dishwasher. Summary of the invention

[0003] The object of the present invention is to overcome the above-mentioned deficiencies of the prior art and to provide a dishwasher water circuit and a dishwasher, which can avoid residual water at the bottom of the inner tank of the dishwasher.

[0004] In order to achieve the above object, the present invention adopts the following technical solution:

[0005] A dishwasher water circuit comprises a water cup, a drainage pump, a respirator and a terminal drainage pipe, wherein the water cup is located at the bottom of an inner tank of the dishwasher, a hollow drainage part is integrally formed on the outside of the water cup, an inner cavity of the drainage part is communicated with the water cup, an impeller of the drainage pump is arranged in the inner cavity of the drainage part, and a sewage drainage outlet is provided in the drainage part; a drainage cavity is arranged in the respirator, and a drainage cavity water inlet 1, a drainage cavity water inlet 2 and a drainage cavity water outlet communicating with the drainage cavity are arranged, the drainage cavity water inlet 1 is communicated with the sewage drainage outlet, and the drainage cavity water outlet is connected to the terminal drainage pipe; a residual water drainage outlet is provided at the lower part of the drainage part, and the residual water drainage outlet is located at the lowest point of the inner cavity of the water cup and the inner cavity of the drainage part; and a first self-priming pump is also included, a water inlet end of the first self-priming pump is connected to the residual water drainage outlet, and a water outlet end of the first self-priming pump is connected to the drainage cavity water inlet 2.

[0006] The present invention is further configured such that the drainage pump is a centrifugal pump, and the drainage part serves as a pump casing.

[0007] The present invention is further configured such that a water inlet chamber is provided in the respirator, and a water inlet chamber water inlet and a water inlet chamber water outlet connected to the water inlet chamber are provided, and a second self-priming pump is also included, the water inlet end of the second self-priming pump is connected to a water inlet valve, and the water outlet end of the second self-priming pump is connected to the water inlet of the water inlet chamber.

[0008] The present invention is further configured such that a flow meter is provided in the water inlet chamber of the respirator, and the flow meter is used to detect the flow rate flowing through the water inlet chamber of the respirator.

[0009] The present invention is further configured such that a water inlet chamber is provided inside the respirator, and a water inlet and a water outlet communicating with the water inlet chamber are provided, and a water softener is also included, wherein the water inlet end of the water softener is connected to the water inlet outlet of the water inlet chamber, and the water outlet end of the water softener is connected to a water cup.

[0010] The present invention is further configured to further include a spray arm water pipe and a plurality of sprayers, wherein the sprayers are installed on the spray arm water pipe, and the sprayers are divided into three layers: upper, middle and lower.

[0011] The present invention is further configured to include a spray arm water pipe and a plurality of sprinklers, wherein the sprinklers are installed on the spray arm water pipe, and two water channels are arranged in the spray arm water pipe; and further comprising a water diverter valve, wherein the water diverter valve includes two water outlets, and the two water outlets are respectively connected to the two water channels of the spray arm water pipe, and the water diverter valve can control the two water outlets to be opened simultaneously or one of them to be opened selectively.

[0012] The present invention is further configured to further include a washing pump, wherein the water inlet end of the washing pump is connected to the water cup, and the water outlet end of the washing pump is connected to the water diversion valve for supplying water to the water diversion valve.

[0013] The present invention is further configured such that a heater is provided in the flow channel of the washing pump so as to heat the water flowing through the washing pump.

[0014] The present invention further provides a dishwasher, comprising a dishwasher body and the dishwasher water circuit as described above, through which the dishwasher water inlet, drain and washing water circulation spraying can be realized.

[0015] In summary, the present invention has the following beneficial effects:

[0016] By installing a water cup in the inner tank of the dishwasher, the water in the water cup can be discharged into the drainage cavity of the respirator through a drainage pump, thereby draining the sewage in the inner tank.

[0017] By arranging a residual water drain outlet at the bottom of the inner tank of the dishwasher, the residual water drain outlet is located at the lowest point of the water cup and the inner cavity of the drainage part, so that the residual water in the inner tank can be discharged; and a first self-priming pump is connected to the residual water drain outlet. After the drainage is completed, the first self-priming pump can supplement the drainage of the dishwasher, and the residual water in the water cup at the bottom of the inner tank can be actively sucked into the first self-priming pump, and then sent from the water outlet of the first self-priming pump into the respirator drainage cavity, so that the residual water at the bottom of the inner tank of the dishwasher can be discharged.

[0018] The second self-priming pump can add a self-priming function to the water inlet circuit, so that the water inlet circuit of the dishwasher can be used for a water source without water pressure, such as an external water tank, so that the dishwasher can be used normally without being connected to a tap water pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of a dishwasher water circuit in this embodiment. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of a dishwasher water circuit in this embodiment. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the structure of a dishwasher water circuit in this embodiment. Figure 3 ;

[0022] Figure 4 The structure of the water inlet channel in this embodiment is shown in FIG. Figure 1 ;

[0023] Figure 5 The structure of the water inlet channel in this embodiment is shown in FIG. Figure 2 .

[0024] Figure numerals: water cup 10; drainage part 11; sewage drain outlet 12; residual water drain outlet 13; drainage pump 20; drainage conduit 21; respirator 30; drainage chamber water inlet 1 31; drainage chamber water outlet 32; water inlet chamber water inlet 33; water inlet chamber water outlet 34; drainage chamber water inlet 2 35; first self-priming pump 40; first water conduit 41; second water conduit 42; terminal drain pipe 50; washing pump 60; first washing water pipe 61; second washing water pipe 62; water diversion valve 70; spray arm water pipe 80; sprinkler 90; water softener 100; third water conduit 1001; second self-priming pump 110; fourth water conduit 1101; fifth water conduit 1102; water inlet valve 1103. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] This embodiment discloses a dishwasher water circuit, which is suitable for a dishwasher so as to achieve drainage and water supply inside the dishwasher.

[0027] Reference Figure 1-Figure 5 As shown, the dishwasher water circuit in this embodiment includes a water cup 10, a drain pump 20, a breather 30, a first self-priming pump 40, a terminal drain pipe 50, a washing pump 60, a water diversion valve 70, a spray arm water pipe 80, a sprayer 90, a water softener 100 and a second self-priming pump 110. The water cup 10 is located at the bottom of the inner tank of the dishwasher and is integrally formed with the inner tank of the dishwasher, so as to receive the accumulated water in the inner tank of the dishwasher.

[0028] In this embodiment, the water cup 10, the drainage pump 20, the respirator 30, the terminal drainage pipe 50 and other components constitute the drainage waterway of the dishwasher, which is used to drain the inner tank of the dishwasher.

[0029] The respirator 30 is provided with a drainage cavity, and is provided with a drainage cavity water inlet 1 31, a drainage cavity water inlet 2 35 and a drainage cavity water outlet 32 ​​connected to the drainage cavity. Water to be discharged can be input into the drainage cavity from the drainage cavity water inlet 1 31 and the drainage cavity water inlet 2 35, and then output from the drainage cavity water outlet 32.

[0030] A hollow drain portion 11 is integrally formed on the outside of the water cup 10, and the inner cavity of the drain portion 11 is connected to the water cup 10, so that the water in the water cup 10 can flow into the inner cavity of the drain portion 11. The impeller of the drain pump 20 is arranged in the inner cavity of the drain portion 11, and the drain portion 11 is provided with a sewage drain port 12. The drain cavity water inlet 31 is connected to the sewage drain port 12 through the drain conduit 21, and the drain cavity water outlet 32 ​​is connected to the terminal drain pipe 50.

[0031] Specifically, the drainage pump 20 is a centrifugal pump, the impeller is a centrifugal impeller, the drainage part 11 serves as a pump housing, and the sewage drainage port 12 is located at the periphery of the impeller of the drainage pump 20 .

[0032] Under the centrifugal action of the drainage pump 20 , the sewage in the water cup 10 can discharge the water in the drainage part 11 and the water cup 10 , discharge into the drainage conduit 21 from the drainage port 12 , and then flow through the drainage cavity of the respirator 30 , and finally be discharged from the terminal drainage pipe 50 .

[0033] Furthermore, in order to discharge the residual water at the bottom of the inner tank, the first self-priming pump 40 can be used in conjunction with the above-mentioned drainage waterway to actively discharge the residual water in the inner tank.

[0034] Reference Figure 2 , Figure 5 As shown, a residual water drain port 13 is opened at the lower part of the drain portion 11 , and the residual water drain port 13 is located at the lowest point of the inner cavity of the water cup 10 and the inner cavity of the drain portion 11 , so that the water in the water cup 10 and the drain portion 11 can automatically flow downward to the residual water drain port 13 .

[0035] The drainage water circuit of the dishwasher also includes a first self-priming pump 40, the water inlet end of the first self-priming pump 40 is connected to the residual water drain port 13 through a first water conduit 41, and the water outlet end of the first self-priming pump 40 is connected to the water inlet port 2 35 of the drainage chamber through a second water conduit 42. After the drainage is completed, the first self-priming pump 40 can supplement the drainage of the dishwasher, and the residual water in the water cup 10 at the bottom of the inner tank can be actively sucked into the first self-priming pump 40, and then sent from the water outlet end of the first self-priming pump 40 to the drainage chamber of the respirator 30, so as to discharge the residual water at the bottom of the inner tank of the dishwasher. Preferably, the first self-priming pump 40 can adopt a self-priming diaphragm pump, or a pump in the form of a pump that can achieve active self-priming drainage.

[0036] In this embodiment, the water cup 10, the respirator 30, the water softener 100 and the second self-priming pump 110 constitute a water inlet circuit of the dishwasher, which is used to fill the inner tank of the dishwasher with water.

[0037] The respirator 30 is provided with a water inlet chamber, and is provided with a water inlet chamber water inlet 33 and a water inlet chamber water outlet 34 communicating with the water inlet chamber. Water to be input can be input from the water inlet chamber water inlet 33 and then output from the water inlet chamber water outlet 34. A flow meter is provided in the water inlet chamber of the respirator 30, and the flow rate flowing through the water inlet chamber of the respirator 30 can be detected by the flow meter.

[0038] The water input into the dishwasher can be softened by the water softener 100. The water inlet end of the water softener 100 is connected to the water outlet 34 of the water inlet chamber of the respirator 30. The water outlet end of the water softener 100 is connected to the water cup 10 through the third water conduit 1001. The water input into the dishwasher can flow through the water softener to achieve softening.

[0039] The second self-priming pump 110 can add a self-priming function to the water inlet circuit, so that the water inlet circuit of the dishwasher can be suitable for a water source without water pressure, such as an external water tank, so that the dishwasher can be used normally without being connected to a tap water pipe.

[0040] Specifically, the water inlet end of the second self-priming pump 110 is connected to the water inlet valve 1103 through the fourth water conduit 1101, and the on-off control of the water inlet pipeline can be realized through the water inlet valve 1103. In addition, the water outlet end of the second self-priming pump 110 is connected to the water inlet 33 of the water inlet cavity through the fifth water conduit 1102, so that the input clean water can flow through the water inlet cavity of the respirator 30 to realize water inlet.

[0041] In this embodiment, the water cup 10, the water diverter valve 70, the spray arm water pipe 80, the sprayer 90 and the washing pump 60 constitute the internal water circuit of the dishwasher, which is used for spray washing of the inner tank of the dishwasher and circulation of washing water.

[0042] Reference Figure 1 , Figure 3As shown, the spray arm water pipe 80 and the sprayer 90 are installed in the inner tank of the dishwasher, located above the water cup 10. The spray arm water pipe 80 is generally fixedly installed on the inner wall or bottom of the inner tank, and extends to the middle position of the inner tank to install the sprayer 90. The sprayer 90 is a rotating spray arm that can realize rotating spraying.

[0043] Each sprayer 90 is installed on the spray arm water pipe 80. The sprayers 90 are divided into three layers: upper, middle and lower. There is one sprayer 90 on the upper layer, and two sprayers 90 on the middle and lower layers. A total of five sprayers 90 can fully and effectively spray the inside of the dishwasher, have a high spray coverage area, and can improve the effect of spray washing.

[0044] Two water channels are arranged in the spray arm water pipe 80, and the two water channels can respectively supply water to different sprayers 90. Generally, the sprayers 90 of the upper and middle layers are one channel, and the sprayers 90 of the lower layer are also one channel.

[0045] The water diverter valve 70 is installed at the bottom of the inner tank of the dishwasher. The water diverter valve 70 includes two water outlets, which are respectively connected to two water paths of the spray arm water pipe 80. The water diverter valve 70 can control the two water outlets to be opened at the same time or one of them to be opened selectively.

[0046] The water diverter valve 70 has three states. The first state is that both water outlets are open at the same time, the second state is that the first water outlet is open and the second water outlet is closed, and the third state is that the first water outlet is closed and the second water outlet is open, thereby being able to control the three-layer sprinkler 90 to have three different spraying states.

[0047] The washing pump 60 can circulate and pump the washing water in the inner tank of the dishwasher, and can pump the water pressure in the water cup 10 to the sprayer 90 to spray the inside of the inner tank.

[0048] The water inlet of the washing pump 60 is connected to the water cup 10 through the second washing water pipe 62, and the water outlet of the washing pump 60 is connected to the water diversion valve 70 through the first washing water pipe 61, and can supply water to the water diversion valve 70. The washing pump 60 can pump water into the water diversion valve 70, and then the water is sent to the sprayer 90 through the diversion control of the water diversion valve 70 to achieve layered spraying.

[0049] Furthermore, in order to heat the washing water, a heater may be provided in the flow channel of the washing pump 60 , and the heater generates heat to heat the water flowing through the washing pump 60 .

[0050] This embodiment also discloses a dishwasher, including a dishwasher body and a dishwasher water path as in the above embodiment, through which the dishwasher can realize water intake, drainage and washing water circulation spraying.

[0051] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A dishwasher water circuit, characterized in that: The invention comprises a water cup (10), a drainage pump (20), a respirator (30) and a terminal drainage pipe (50), wherein the water cup (10) is located at the bottom of the inner tank of the dishwasher, and a hollow drainage portion (11) is integrally formed on the outside of the water cup (10), the inner cavity of the drainage portion (11) is connected to the water cup (10), the impeller of the drainage pump (20) is arranged in the inner cavity of the drainage portion (11), and the drainage portion (11) is provided with a sewage drainage port (12); the respirator (30) is provided with a drainage cavity, and is provided with a drainage cavity water inlet first (31) and a drainage cavity water inlet second (32) connected to the drainage cavity. The invention relates to a water-discharging device for discharging water from a water cup (10) to a water-discharging chamber (11); the water-discharging chamber has a first water inlet (31) connected to a sewage outlet (12), and the water-discharging chamber outlet (32) is connected to a terminal drain pipe (50); a residual water outlet (13) is provided at the lower part of the drainage portion (11), and the residual water outlet (13) is located at the lowest point of the inner cavity of the water cup (10) and the inner cavity of the drainage portion (11); and the device also includes a first self-priming pump (40), the water inlet end of the first self-priming pump (40) is connected to the residual water outlet (13), and the water outlet end of the first self-priming pump (40) is connected to the second water inlet (35) of the drainage chamber.

2. The dishwasher water circuit according to claim 1, characterized in that: The drainage pump (20) is a centrifugal pump, and the drainage part (11) serves as a pump casing.

3. The dishwasher water circuit according to claim 1, characterized in that: The respirator (30) is provided with a water inlet chamber, and is provided with a water inlet chamber water inlet (33) and a water inlet chamber water outlet (34) communicating with the water inlet chamber, and further comprises a second self-priming pump (110), wherein the water inlet end of the second self-priming pump (110) is connected to a water inlet valve (1103), and the water outlet end of the second self-priming pump (110) is connected to the water inlet chamber water inlet (33).

4. The dishwasher water circuit according to claim 3, characterized in that: A flow meter is arranged in the water inlet chamber of the respirator (30), and the flow meter is used to detect the flow rate flowing through the water inlet chamber of the respirator (30).

5. The dishwasher water circuit according to claim 1, characterized in that: The respirator (30) is provided with a water inlet chamber, a water inlet port (33) and a water inlet port (34) communicating with the water inlet chamber, and also includes a water softener (100), wherein the water inlet end of the water softener (100) is connected to the water inlet port (34), and the water outlet end of the water softener (100) is connected to the water cup (10).

6. The dishwasher water circuit according to claim 1, characterized in that: It also comprises a spray arm water pipe (80) and a plurality of sprayers (90), wherein the sprayers (90) are installed on the spray arm water pipe (80), and the sprayers (90) are divided into three layers: upper, middle and lower layers.

7. The dishwasher water circuit according to claim 1, characterized in that: It also includes a spray arm water pipe (80) and a plurality of sprayers (90), wherein the sprayers (90) are installed on the spray arm water pipe (80), and wherein two water paths are arranged in the spray arm water pipe (80); and it also includes a water diversion valve (70), wherein the water diversion valve (70) includes two water outlets, wherein the two water outlets are respectively connected to the two water paths of the spray arm water pipe (80), and the water diversion valve (70) can control the two water outlets to be opened simultaneously or to be opened selectively.

8. The dishwasher water circuit according to claim 7, characterized in that: It also comprises a washing pump (60), the water inlet end of the washing pump (60) being connected to the water cup (10), and the water outlet end of the washing pump (60) being connected to the water diversion valve (70) for supplying water to the water diversion valve (70).

9. The dishwasher water circuit according to claim 8, characterized in that: A heater is provided in the flow channel of the washing pump (60) and is capable of heating the water flowing through the washing pump (60).

10. A dishwasher, characterized in that: It comprises the dishwasher water circuit as described in any one of claims 1-9.

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