Fruit and vegetable cleaning machine

Abstract

The present invention relates to a fruit and vegetable washing machine, comprising a box body and a water pump mechanism, a drainage port is provided on the bottom wall of the box body, a slag collecting basket is arranged at the drainage port, and a water storage box is provided, the water storage box is arranged on the bottom wall outside the box body and has a water outlet on the top, a water outlet corresponding to the water outlet is provided on the bottom wall of the box body, the side and / or bottom of the water storage box are connected to the drainage port from outside the box body, and the water pump mechanism is used to suck the water in the washing chamber into the water storage box through the drainage port and pump the water in the water storage box back into the washing chamber through the water port. The present invention uses the water storage box to make the water at the bottom of the washing chamber form an external circulation, and during the circulation process, negative pressure can be generated in the water storage box, and suction can be generated at the drainage port to realize self-priming slag collection, and the residue is firmly locked at the bottom of the slag collecting basket to avoid the residue from overflowing, thereby improving the slag collection effect; the return water area provided by the water storage box is smaller in volume than the existing drainage area, which can greatly reduce the water consumption for each washing and reduce the use cost.

Description

Technical Field

[0001] The invention relates to a fruit and vegetable cleaning machine. Background Art

[0002] Existing dishwashers, fruit and vegetable washing machines, etc. are devices that spray cold or hot water onto dishes, fruits and vegetables to remove dirt adhering to the dishes, fruits and vegetables, and the dishes, fruits and vegetables usually include a pump and a nozzle for spraying washing water.

[0003] Common dishwashers generally use a water pump to lift water and spray it onto the fruits and vegetables in the washing space to achieve the cleaning effect, or drive the washing basket to rotate and spray water from top to bottom into the washing basket to rinse the fruits and vegetables in the washing basket. Recently, there are also structures that use turbulent water flow to clean fruits and vegetables soaked in water.

[0004] For example, the Chinese patent application "A spray arm and a cleaning machine using the spray arm" with application number CN201710714387.0 provides a structure that can make the water flow turbulent. The turbulent water flow in the fruit and vegetable tank of the dishwasher is mainly generated by the jet of the fixed spray hole of the fixed spray arm, which can produce a good turbulent effect in the local area to improve the cleaning effect. However, for the cleaning of fruits and vegetables, there are often a lot of mud, sand, and residual leaves attached to the surface of fruits and vegetables, and the movement mode of pollutants such as fruit and vegetable debris is mainly with the flow. Since the drain outlet and the slag collection basket in the current cleaning machine are eccentrically arranged in the drainage area at the bottom of the sink, and the slag is only brought into the slag basket by the natural flow of water when collecting, the pollutants are easily deposited at the corners of the sink and difficult to clean.

[0005] In addition, the drain area serves as a water return area. Due to the installation method and position of the functional components at the bottom of the sink, the drain area is relatively large. In order to meet the required water level, a large amount of water is used for each washing. Summary of the invention

[0006] The first technical problem to be solved by the present invention is to provide a fruit and vegetable cleaning machine which improves the slag collection effect by negative pressure self-priming slag collection in view of the current status of the prior art.

[0007] The second technical problem to be solved by the present invention is to provide a fruit and vegetable washing machine which can effectively save the amount of water used for each washing according to the current status of the prior art.

[0008] The technical solution adopted by the present invention to solve at least one of the above-mentioned technical problems is: a fruit and vegetable washing machine, including a box body and a water pumping mechanism, the interior of the box body is hollow to form a washing chamber, the water pumping mechanism is arranged on the box body and is used to keep the water at the bottom of the washing chamber flowing, a drainage outlet is opened on the bottom wall of the box body, and a slag collecting basket is arranged at the drainage outlet, characterized in that: it also includes a water storage box, the water storage box is arranged on the bottom wall outside the box body and has a water outlet on the top, the bottom wall of the box body is opened with a water outlet arranged corresponding to the water outlet, the side and / or bottom of the water storage box are connected to the drainage outlet from outside the box body, and the water pumping mechanism is used to suck the water in the washing chamber into the water storage box through the drainage outlet and pump the water in the water storage box back into the washing chamber through the water outlet.

[0009] Preferably, a drain pipe connected to the drain port is provided on the outer bottom wall of the box body, and a valve capable of controlling the flow of the drain pipe is provided at the bottom of the drain pipe. At least the lower part of the debris collection basket is accommodated in the drain pipe, and the water storage box is connected to the upper part of the drain pipe. In the washing state, the drain pipe can be closed by the valve to prevent the water in the washing chamber from being lost; during the water pumping process, a certain negative pressure will be generated in the water storage box, thereby sucking water from the washing chamber into the drain pipe and then transporting it to the water storage box. The water is conducive to locking the residue at the bottom of the debris collection basket under the suction force generated by the negative pressure, thereby preventing the residue from overflowing and improving the debris collection effect.

[0010] As an improvement, the debris collection basket includes an outer basket and an inner basket. The top edge of the outer basket is supported on the bottom wall of the box at the outer edge of the drain outlet and a drain outlet is opened at the bottom. The inner basket is sleeved in the outer basket at intervals and has filtering holes on the bottom wall and / or side wall. The connection point with the water storage box on the drain pipe corresponds to the side wall of the outer basket. When water passes through the debris collection basket, the residue is locked and pressed at the bottom of the inner basket, and the water filtered by the inner basket first enters the drain pipe through the bottom of the outer basket, and then enters the water storage box from the drain pipe. Since there is no hole on the side wall of the outer basket, the connection point with the water storage box on the drain pipe corresponds to the side wall of the outer basket, which can prevent the residue in the inner basket from being input into the water storage box through the side under the impact of the water flow.

[0011] In order to facilitate the connection between the drain pipe and the water storage box, a liquid inlet is opened on the side wall of the water storage box, and a liquid outlet is opened on the side wall of the drain pipe. The liquid outlet is connected to the liquid inlet through a water conduit.

[0012] In the present invention, the water pump mechanism includes a spray arm, an impeller assembly and a motor. The spray arm is arranged at the bottom of the washing chamber and has a water inlet corresponding to the water outlet on the bottom wall. The impeller assembly is rotatably arranged in the water storage box and the upper part passes through the water inlet and extends into the spray arm. The motor is arranged at the bottom of the water storage box and the output shaft passes through the bottom wall of the water storage box and is connected to the impeller assembly. With such a structure, the rotation of the impeller assembly can generate a greater negative pressure in the water storage box to improve the self-priming slag collection effect.

[0013] Preferably, a vertically arranged and vertically penetrating guide sleeve is provided at the water outlet on the top of the water storage box, and the upper part of the impeller assembly is a centrifugal impeller extending into the spray arm, and the lower part is an axial flow impeller located in the guide sleeve. This structure is conducive to avoiding capacity loss during water transportation and improving the water pumping effect.

[0014] In the above schemes, the spray arm is provided with a flow channel extending along its inner circumference so that water forms a circulation at the bottom of the washing chamber, the spray arm is provided with a water collecting chamber near the first end, the water inlet is located at the bottom of the water collecting chamber, and the upper part of the impeller assembly is located in the water collecting chamber.

[0015] Preferably, the drain port is provided in the central part of the bottom wall of the box body, and correspondingly, the middle part of the spray arm is provided with an opening which is through from top to bottom and arranged corresponding to the drain port. Further preferably, the upper wall surface of the spray arm is provided with a guide area which is gradually recessed from the outer periphery of the opening toward the opening at the corresponding opening. The above structure can further prevent the accumulation of residues at the corners of the washing chamber and improve the residue collection effect.

[0016] Preferably, at least a portion of the bottom wall of the box body is concave to form a mounting cavity, the spray arm is arranged in the mounting cavity, and the upper edge of the spray arm is substantially flush with the bottom wall of the box body at the outer edge of the mounting cavity. This structure makes the bottom of the washing cavity easier to clean and more beautiful.

[0017] Compared with the prior art, the advantages of the present invention are: the present invention utilizes a water storage box to make the water at the bottom of the washing chamber form an external circulation. During the circulation process, negative pressure can be generated in the water storage box, and suction can be generated at the drain outlet to achieve self-priming debris collection, and the residue is firmly locked at the bottom of the debris collection basket to avoid the residue overflowing, thereby improving the debris collection effect; the return water area provided by the water storage box is smaller in size than the existing drainage area, which can greatly reduce the water consumption for each washing and reduce the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0019] Figure 2 A schematic structural diagram of another angle of an embodiment of the present invention;

[0020] Figure 3 is a cross-sectional view of an embodiment of the present invention;

[0021] Figure 4 It is an exploded view of some structures in an embodiment of the present invention. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below with reference to the accompanying drawings.

[0023] like Figures 1 to 4As shown, the fruit and vegetable washing machine of this embodiment includes a housing 1, a water pumping mechanism 2 and a water storage box 4. The interior of the housing 1 is hollow to form a washing chamber 11. The water pumping mechanism 2 is arranged on the housing 1 and is used to keep the water at the bottom of the washing chamber 11 flowing. A drainage port 12 is opened on the bottom wall of the housing 1, and a slag collecting basket 3 is arranged at the drainage port 12.

[0024] like Figure 3 As shown, the water storage box 4 of this embodiment is arranged on the outer bottom wall of the box body 1 and has a water outlet 41 on the top, and a water outlet 13 corresponding to the water outlet 41 is opened on the bottom wall of the box body 1. A drain pipe 14 connected to the drain port 12 is arranged on the outer bottom wall of the box body 1, and a valve 15 that can control the flow of the drain pipe 14 is arranged at the lower part of the drain pipe 14. The slag collecting basket 3 is accommodated in the upper part of the drain pipe 14. A liquid inlet 42 is opened on the side wall of the water storage box 4, and a liquid outlet 141 is opened on the side wall of the upper part of the drain pipe 14. The liquid outlet 141 is connected to the liquid inlet 42 through a water conduit 16. The water pumping mechanism 2 is used to suck the water in the washing chamber 11 into the water storage box 4 through the drain port 12 and pump the water in the water storage box 4 back into the washing chamber 11 through the water port 13.

[0025] In the washing state, the drain pipe 14 can be closed by means of the valve 15 to prevent the water in the washing chamber 11 from being lost; during the water pumping process, a certain negative pressure will be generated in the water storage box 4, thereby sucking water from the washing chamber 11 into the drain pipe 14 and then transporting it to the water storage box 4. The suction force generated by the negative pressure is conducive to locking the residue at the bottom of the residue collection basket 3, thereby preventing the residue from overflowing and improving the residue collection effect.

[0026] like Figure 3 , 4 As shown, the debris collection basket 3 of this example includes an outer basket 31 and an inner basket 32. The top edge of the outer basket 31 is supported on the bottom wall of the box body 1 at the outer edge of the drain outlet 12 and a water outlet 311 is opened at the bottom. The inner basket 32 ​​is sleeved in the outer basket 31 at intervals and filtering holes 321 are opened on the bottom wall and side wall. The liquid outlet 141 on the drain pipe 14 is arranged corresponding to the side wall of the outer basket 31. When water passes through the debris collection basket 3, the residue is locked and pressed at the bottom of the inner basket 32, and the water filtered by the inner basket 32 ​​first passes through the bottom of the outer basket 31 into the drain pipe 14, and then enters the water storage box 4 from the drain pipe 14. Since there is no hole on the side wall of the outer basket 31, the liquid outlet 141 is arranged corresponding to the side wall of the outer basket 31, which can prevent the residue in the inner basket 32 ​​from being input into the water storage box 4 through the side under the impact of the water flow.

[0027] In this embodiment, if Figure 3As shown, the water pump mechanism 2 includes a spray arm 21, an impeller assembly 22 and a motor 23. The spray arm 21 is arranged at the bottom of the washing chamber 11 and has a water inlet 211 arranged corresponding to the water outlet 13 on the bottom wall, and a water spray hole 212 on the top wall. The impeller assembly 22 is rotatably arranged in the water storage box 4 and the upper part passes through the water inlet 211 and extends into the spray arm 21. The motor 23 is arranged at the bottom of the water storage box 4 and the output shaft 231 passes through the bottom wall of the water storage box 4 and is connected to the impeller assembly 22. The rotation of the impeller assembly 22 can generate a greater negative pressure in the water storage box 4 to improve the self-priming slag collection effect. A guide sleeve 43 arranged vertically and through the top and bottom is provided at the water outlet 41 at the top of the water storage box 4. The upper part of the impeller assembly 22 is a centrifugal impeller 221 extending into the spray arm 21, and the lower part is an axial flow impeller 222 located in the guide sleeve 43. The spray arm 21 is provided with a flow channel extending along its inner circumference so that water forms a circulation at the bottom of the washing chamber 11. There are multiple water spray holes 212 arranged at intervals along the extension direction of the flow channel. Each water spray hole 212 gradually inclines along the flow direction of water in the flow channel from the water inlet end to the water outlet end, thereby cooperating with the flow channel to form a large circulation.

[0028] The spray arm 21 is provided with a water collecting chamber 213 near the first end 21a, the water inlet 211 is located at the bottom of the water collecting chamber 213, and the centrifugal impeller 221 is located in the water collecting chamber 213. The drain port 12 is provided at the central part of the bottom wall of the housing 1, and correspondingly, the middle part of the spray arm 21 is provided with an opening 214 which is through from top to bottom and arranged corresponding to the drain port 12. The upper wall surface of the spray arm 21 is provided with a guide area 215 which is gradually concave from the outer periphery of the opening 214 to the opening 214 at the corresponding opening 214, so as to further prevent the accumulation of residues at the corners of the washing chamber 11 and improve the residue collection effect.

[0029] In this embodiment, at least a portion of the bottom wall of the box body 1 is recessed to form an installation cavity 17, and a spray arm 21 is disposed in the installation cavity 17, and the upper edge of the spray arm 21 is substantially flush with the bottom wall of the box body 1 at the outer edge of the installation cavity 17. This structure makes the bottom of the washing cavity 11 easier to clean, more beautiful, and more water-saving.

Claims

1. A fruit and vegetable washing machine, comprising a housing (1) and a water pump mechanism (2), wherein the housing (1) is hollow inside to form a washing chamber (11), the water pump mechanism (2) is arranged on the housing (1) and is used to keep the water at the bottom of the washing chamber (11) flowing, a drainage port (12) is provided on the bottom wall of the housing (1), a slag collecting basket (3) is provided at the drainage port (12), and the characteristics are: The invention also comprises a water storage box (4), the water storage box (4) being arranged on the outer bottom wall of the box body (1) and having a water outlet (41) on the top, the bottom wall of the box body (1) being provided with a water outlet (13) arranged corresponding to the water outlet (41), the side and / or bottom of the water storage box (4) being connected to the drain outlet (12) from the outside of the box body (1), and the water pumping mechanism (2) being used to suck the water in the washing chamber (11) into the water storage box (4) through the drain outlet (12) and to pump the water in the water storage box (4) back into the washing chamber (11) through the water outlet (13).

2. The fruit and vegetable cleaning machine according to claim 1, characterized in that: A drainage pipe (14) connected to the drainage port (12) is arranged on the outer bottom wall of the box body (1), and a valve (15) capable of controlling the flow of water is arranged at the lower part of the drainage pipe (14). At least the lower part of the slag collecting basket (3) is accommodated in the drainage pipe (14), and the water storage box (4) is connected to the upper part of the drainage pipe (14).

3. The fruit and vegetable cleaning machine according to claim 2, characterized in that: The slag collecting basket (3) comprises an outer basket (31) and an inner basket (32); the top edge of the outer basket (31) is supported on the bottom wall of the box body (1) at the outer edge of the drain outlet (12) and a water drop outlet (311) is provided at the bottom; the inner basket (32) is sleeved in the outer basket (31) at intervals and a filter hole (321) is provided on the bottom wall and / or the side wall; and the connection point between the drain pipe (14) and the water storage box (4) is arranged corresponding to the side wall of the outer basket (31).

4. The fruit and vegetable cleaning machine according to claim 3, characterized in that: A liquid inlet (42) is formed on the side wall of the water storage box (4), and a liquid outlet (141) is formed on the side wall of the drainage pipe (14). The liquid outlet (141) is connected to the liquid inlet (42) via a water conduit (16).

5. The fruit and vegetable cleaning machine according to any one of claims 1 to 4, characterized in that: The water pump mechanism (2) comprises a spray arm (21), an impeller assembly (22) and a motor (23); the spray arm (21) is arranged at the bottom of the washing chamber (11) and has a water inlet (211) arranged corresponding to the water outlet (13) on the bottom wall; the impeller assembly (22) is rotatably arranged in the water storage box (4) and the upper part thereof passes through the water inlet (211) and extends into the spray arm (21); the motor (23) is arranged at the bottom of the water storage box (4) and the output shaft (231) passes through the bottom wall of the water storage box (4) and is connected to the impeller assembly (22).

6. The fruit and vegetable cleaning machine according to claim 5, characterized in that: A guide sleeve (43) arranged vertically and penetrating from top to bottom is provided at the water outlet (41) at the top of the water storage box (4); the upper portion of the impeller assembly (22) is a centrifugal impeller (221) extending into the spray arm (21), and the lower portion is an axial flow impeller (222) located in the guide sleeve (43).

7. The fruit and vegetable cleaning machine according to claim 5, characterized in that: The spray arm (21) is provided with a flow channel extending along its inner periphery so that water forms a circulation at the bottom of the washing chamber (11); the spray arm (21) is provided with a water collecting chamber (213) near the first end (21a); ​​the water inlet (211) is located at the bottom of the water collecting chamber (213); and the upper part of the impeller assembly (22) is located in the water collecting chamber (213).

8. The fruit and vegetable cleaning machine according to claim 5, characterized in that: The drainage port (12) is provided at the central portion of the bottom wall of the box body (1), and correspondingly, an opening (214) is provided in the middle portion of the spray arm (21) that passes through the top and bottom and is arranged corresponding to the drainage port (12).

9. The fruit and vegetable cleaning machine according to claim 8, characterized in that: The upper wall surface of the spray arm (21) is formed with a flow guide area (215) at the corresponding opening (214), the flow guide area being gradually recessed from the periphery of the opening (214) toward the opening (214).

10. The fruit and vegetable cleaning machine according to claim 5, characterized in that: At least a portion of the bottom wall of the box body (1) is recessed to form a mounting cavity (17), the spray arm (21) is arranged in the mounting cavity (17), and the upper edge of the spray arm (21) is substantially flush with the bottom wall of the box body (1) at the outer edge of the mounting cavity (17).

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