Fruit and vegetable cleaning machine and cleaning method

Abstract

The fruit and vegetable cleaning machine comprises a water tank, a fruit and vegetable tank, a fruit and vegetable basket and a water and gas inlet system, a water outlet is formed in the bottom of the water tank, the fruit and vegetable tank is detachably arranged in the water tank, the fruit and vegetable basket is detachably arranged in the fruit and vegetable tank, and the water and gas inlet system is used for inputting washing water or gas into the fruit and vegetable tank; the fruit and vegetable tank is enclosed by a bottom wall and a side wall to form a washing area with a top opening, the side wall of the fruit and vegetable basket is arranged close to the inner side wall of the fruit and vegetable tank when the fruit and vegetable basket is arranged in the fruit and vegetable tank, and the bottom wall of the fruit and vegetable basket is provided with an input hole for fluid to enter the fruit and vegetable basket from bottom to top; the bottom wall of the fruit and vegetable tank is provided with an inlet and a switch assembly capable of opening or closing the inlet, the water and air inlet system is arranged on the outer bottom wall of the water tank and can penetrate through the bottom wall of the water tank in an up-down moving mode, and the water and air inlet system moves up and down along with the water and air inlet system to be matched with the switch assembly so as to form a water inlet state, an air inlet state and a water drainage state respectively.

Description

Technical Field

[0001] The present invention relates to the technical field of dishwashers, in particular to the technical field of fruit and vegetable cleaning, and specifically to a fruit and vegetable cleaning machine and a cleaning method. Background Art

[0002] At present, most users have two sinks in their kitchens. If a sink-type dishwasher is installed, one of the sinks is used as a normal sink and the other is used as a washing sink for the dishwasher. The washing sink is equipped with a spray system and cannot be used as a normal sink. For users with smaller kitchens, they may only have one large sink, which cannot meet the installation conditions of an automatic washing machine.

[0003] The applicant's prior application CN202010900533.0 "A washing basket and a sink with the washing basket" discloses a structure that can be used as a dishwasher or as an ordinary sink. The washing basket includes a washing basket body with a washing chamber, the washing basket body has a flow channel extending from the bottom to the side, and the inner wall of the washing basket body is provided with a spray hole for spraying water in the flow channel. The bottom of the washing basket body is provided with a concave circular water-drawing area, which is connected to the flow channel, and the water-drawing area is provided with an impeller for pumping water from the bottom of the washing basket body into the flow channel. When in use, the impeller rotates to draw water from the bottom of the washing basket into the flow channel on the side of the washing basket, and further sprays the fruits, vegetables or dishes in the washing basket through the spray hole; the washing basket and the sink are easy to integrate, and the washing basket is placed in the sink and covered with a cover, and it can be used as an automatic washing machine. When it is not needed as a washing machine, the washing basket is taken out of the sink and the cover is taken out at the same time, and it can be used as an ordinary sink.

[0004] The above structure is very convenient for switching between a dishwasher and an ordinary sink. However, when used as a dishwasher, a cleaning basket with a special structure needs to be equipped, and a driving mechanism with a complex structure needs to be installed at the bottom of the sink. The overall structure is complex and the production cost is high. At the same time, when using the cleaning basket, since the water flow system in the cleaning basket is independent of the sink, it is difficult to filter and collect slag, and there is a problem of inconvenience in slag discharge. Summary of the invention

[0005] The first technical problem to be solved by the present invention is to provide a fruit and vegetable washing machine which integrates a water inlet and air inlet system for washing fruits and vegetables without changing the existing drainage system, thereby simplifying the overall structure, facilitating operation, and facilitating switching between automatic fruit and vegetable washing function and ordinary sink function.

[0006] The second technical problem to be solved by the present invention is to provide a cleaning method of the above-mentioned fruit and vegetable cleaning machine in view of the current status of the prior art.

[0007] The technical solution adopted by the present invention to solve at least one of the above technical problems is:

[0008] A fruit and vegetable washing machine comprises a water tank, a fruit and vegetable tank, a fruit and vegetable basket and a water and air inlet system, wherein a drain port which can be opened or closed is arranged at the bottom of the water tank, the fruit and vegetable tank is detachably arranged in the water tank, the fruit and vegetable basket is detachably arranged in the fruit and vegetable tank, and the water and air inlet system is used to input washing water or gas into the fruit and vegetable tank;

[0009] The fruit and vegetable groove is enclosed by the bottom wall and the side wall to form a washing area with an open top. When the fruit and vegetable basket is placed in the fruit and vegetable groove, the side wall of the fruit and vegetable basket is arranged close to the inner side wall of the fruit and vegetable groove. The bottom wall of the fruit and vegetable basket is provided with an input hole for fluid to enter the fruit and vegetable basket from bottom to top. A fluid buffer zone is formed between the bottom wall of the fruit and vegetable basket and the inner bottom wall of the fruit and vegetable groove, which can be laterally dispersed to multiple input holes under the obstruction of the bottom wall of the fruit and vegetable basket.

[0010] The bottom wall of the fruit and vegetable trough is provided with an inlet and a switch assembly capable of opening or closing the inlet. The water and air inlet system is arranged on the outer bottom wall of the trough and can be moved up and down through the bottom wall of the trough. The water and air inlet system cooperates with the switch assembly as it moves up and down to form a water inlet state, an air intake state, and a drainage state, respectively.

[0011] The fruit and vegetable washing machine integrates the water inlet and air inlet systems for washing fruits and vegetables without changing the existing drainage system, thereby simplifying the overall structure, facilitating operation, and facilitating switching between the automatic washing function of fruits and vegetables and the ordinary sink function.

[0012] Preferably, the switch assembly comprises:

[0013] A water inlet jacket is arranged in the fruit and vegetable groove and has a lower port surrounding the inlet, and a side portion of the water inlet jacket is provided with an opening for fluid to pass through;

[0014] A first sealing cover is disposed in the water inlet jacket so as to be movable up and down, and is used to close the inlet when moved downward and to open the inlet when moved upward;

[0015] A first elastic member is disposed in the water inlet jacket, so that the first sealing cover always maintains a tendency to move downward to close the inlet;

[0016] A second cover, wherein a flow port for fluid to pass through is provided in the central portion of the first cover, and a support frame extending upward from the periphery of the flow port and capable of passing through the top wall of the water inlet jacket is provided on the upper surface of the first cover, and the second cover is disposed in the support frame so as to be movable up and down, and is used to close the flow port when it moves downward, and is used to open the flow port when it moves upward;

[0017] A second elastic member is disposed in the support frame, so that the second cover always maintains a tendency to move downward to close the flow port;

[0018] The water inlet and air inlet system partially passes through the bottom wall of the fruit and vegetable slot to drive the first cover and the second cover to move up and down. The switch assembly is convenient to cooperate with the water inlet and air inlet system to realize fluid input into the fruit and vegetable slot, thereby controlling different cleaning states.

[0019] Preferably, the water inlet sleeve includes a top wall and a support rod extending downward from the edge of the top wall, the lower end of the support rod is constrained on the inner bottom wall of the fruit and vegetable groove and arranged near the periphery of the inlet, and the opening is formed between adjacent support rods. This structure makes the assembly between the water inlet sleeve and the fruit and vegetable groove compact and convenient for water inlet and outlet.

[0020] Preferably, the outer edge of the first cover cooperates with the inner side wall of the support rod in a vertical guiding manner, and the lower surface of the first cover is provided with a first boss that can be stuck in the inlet to close the inlet. This structure facilitates better reliability after the inlet is closed.

[0021] Preferably, the first elastic member is a spring sleeved on the outer periphery of the support frame, the upper end of the first elastic member abuts against the inner top wall of the water inlet jacket, and the lower end abuts against the upper surface of the first cover. This structure facilitates the installation of the first elastic member.

[0022] Preferably, the support frame includes a vertically extending support rib and a cross-shaped top rib located on the top of the support rib, the outer edge of the second cover cooperates with the inner side of the support rib in a vertical guide, and the lower surface of the second cover is provided with a second boss that can be clamped in the flow port to close the flow port. This structure facilitates better reliability after the flow port is closed.

[0023] Preferably, the second elastic member is a spring disposed on the second cover, the upper end of the second elastic member abuts against the top rib, and the lower end abuts against the upper surface of the second cover. This structure facilitates the installation of the second elastic member.

[0024] Preferably, the water and air inlet system comprises an outer sleeve, an inner sleeve and a driving member, the bottom wall of the water tank is provided with an assembly port corresponding to the inlet of the fruit and vegetable tank, the outer sleeve can be telescopically arranged through the assembly port, the outer sleeve moves upward to push the first cover upward, and moves downward to cover the edge of the assembly port, the inner sleeve can be telescopically sleeved in the outer sleeve, the inner sleeve moves upward to push the second cover upward, and moves downward to cooperate with the outer sleeve to close the assembly port, and the driving member is used to drive the outer sleeve and the inner sleeve to move up and down. With the above structure, it is convenient to switch the water inlet and air inlet states by cooperating with the switch assembly through the up and down movement of the outer sleeve and the inner sleeve.

[0025] Preferably, the inner sleeve is hollow inside to form a flow channel, the top of the inner sleeve has a cover for closing the assembly port, the inner sleeve side wall below the cover is provided with a notch for fluid to pass through, and the lower end of the inner sleeve is a fluid input end. This structure facilitates fluid input through the inner sleeve, is compact, and is easy to operate.

[0026] Preferably, a fluid input channel is provided under the water tank, which can surround the outer sleeve and the inner sleeve and cooperate with the guide, and the side wall of the fluid input channel is provided with gas input ports and washing water input ports arranged at intervals up and down, and the bottom of the outer sleeve and the inner sleeve is provided with a control structure that can connect or close the input end of the inner sleeve with the gas input port and the washing water input port respectively. This structure is convenient for installing the inner sleeve and the outer sleeve, and is convenient for realizing the opening and closing switching of the gas input port and the washing water input port during the upward and downward movement of the two.

[0027] Preferably, the lower edge of the outer sleeve is provided with a first baffle extending radially and capable of guiding and cooperating with the inner wall of the fluid input channel. Correspondingly, the lower edge of the inner sleeve is provided with a second baffle located below the first baffle. The lower edge of the inner sleeve is also connected to a third baffle capable of horizontally partitioning the fluid input channel through a connecting rib. The third baffle is located below the second baffle and forms a fluid input area with the second baffle. The fluid input area is aligned with the inner side wall of the fluid input channel, the gas input port, and the washing water input port respectively as the outer sleeve and the inner sleeve move up and down. The above structure is adopted to facilitate the control of whether the gas and washing water are input or not.

[0028] Preferably, when the side opening of the fluid input area is aligned with the washing water input port, the first cover closes the inlet, the second cover opens the flow port, and the washing water input port, the fluid input area, the flow guide channel of the inner sleeve, the notch, the water inlet sleeve, and the opening form a water inlet channel. Preferably, when the side opening of the fluid input area is aligned with the gas input port, the first cover closes the inlet, the second cover opens the flow port, the washing water input port corresponds to the first partition and the second partition and is thus closed, and the gas input port, the fluid input area, the flow guide channel of the inner sleeve, the notch, the water inlet sleeve, and the opening form an air inlet channel. Preferably, when the side opening of the fluid input area is located above the gas input port and the washing water input port and is aligned with the inner side wall of the fluid input channel, the fluid input area is closed, the first cover opens the inlet, and the fluid buffer, the inlet, and the drain port form a drain channel. Preferably, the side opening of the fluid input area is located below the gas input port and the washing water input port and is aligned with the inner wall of the fluid input channel. The fluid input area is closed, the first cover closes the inlet, and the second cover closes the flow port, so that the fruit and vegetable trough forms an independent trough body; the top wall of the inner sleeve closes the assembly port so that the trough maintains a flat structure of the bottom wall.

[0029] The above-mentioned states can be controlled by adjusting the driving stroke of the driving member on the inner sleeve, which is convenient for operation.

[0030] In order to facilitate installation and assembly, the driving member is arranged below the fluid input channel, and the output end of the driving member is connected to the lower surface of the third partition plate through a driving rod.

[0031] Preferably, the water tank is a transversely extending rectangular structure, the drain port is arranged near the first width edge of the water tank, the water inlet and air inlet system is arranged near the second width edge of the water tank, the inner side wall of the water tank is provided with transversely extending supporting ribs, and the top edge of the fruit and vegetable tank is provided with a supporting edge that can be slidably placed on the supporting ribs. The above structure facilitates switching between the automatic fruit and vegetable washing and independent washing tank functions, meeting more needs of consumers.

[0032] A cleaning method of a fruit and vegetable cleaning machine, using the above-mentioned fruit and vegetable cleaning machine, comprises the following steps:

[0033] (1) Install the fruit and vegetable basket in the fruit and vegetable trough, and place the fruit and vegetable trough in the water tank so that the switch assembly at the bottom of the fruit and vegetable trough corresponds to the air and water inlet system at the bottom of the water tank;

[0034] (2) operating the air and water inlet system to input washing water into the fruit and vegetable tank. After being dispersed in the fluid buffer zone, the washing water evenly flows from bottom to top through the input hole into the fruit and vegetable basket until the water inlet is completed;

[0035] (3) operating the air and water inlet system to input gas into the fruit and vegetable tank. After being dispersed in the fluid buffer zone, the gas evenly passes through the input hole from bottom to top and enters the fruit and vegetable basket, continuously forming bubbles in the fruit and vegetable basket, thereby performing bubble turbulent cleaning on the fruits and vegetables until the washing is completed;

[0036] (4) Continue to operate the air and water inlet system, cut off the air and water inlet passage, and only use the air and water inlet system to drive the switch assembly to open the inlet at the bottom of the fruit and vegetable tank, so that the washing water in the fruit and vegetable tank and the fruit and vegetable basket can enter the water tank and be discharged through the drain outlet of the water tank;

[0037] (5) Finally, operate the air and water inlet system to close the inlet of the fruit and vegetable trough by the switch assembly at the bottom of the fruit and vegetable trough. At this time, take out the fruit and vegetable trough or move it to the required position in the water trough for use as an independent cleaning trough.

[0038] Compared with the prior art, the advantages of the present invention are as follows: without changing the overall structure of the sink, the present invention is equipped with a fruit and vegetable trough and a fruit and vegetable basket in the large sink, and the fruit and vegetable trough is very convenient to take out and put in, and the fruit and vegetable trough can also be moved horizontally in the large sink to be used as an independent cleaning trough; when automatic fruit and vegetable cleaning is required, the fruit and vegetable trough is connected to the water and air inlet system, and the up and down movement of the water and air inlet system is controlled to cooperate with the switch component at the bottom of the fruit and vegetable trough to realize the switching of water inlet, air intake, drainage, and closure, thereby switching between the automatic fruit and vegetable cleaning function and the ordinary sink function. The structure is simple and the operation is convenient, which meets more needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0040] Figure 2 for Figure 1 Cross-sectional view (water inlet state);

[0041] Figure 3 for Figure 2 A magnified view of part A;

[0042] Figure 4 This is an intake state diagram of an embodiment of the present invention;

[0043] Figure 5 This is a drainage state diagram of an embodiment of the present invention;

[0044] Figure 6 This is a diagram showing the state of the embodiment of the present invention being used as a water tank. DETAILED DESCRIPTION

[0045] The present invention is further described in detail below with reference to the accompanying drawings.

[0046] like Figures 1 to 6As shown, the fruit and vegetable washing machine of this embodiment includes a water tank 1, a fruit and vegetable tank 2, a fruit and vegetable basket 3 and a water and air inlet system 4. A drain port 11 that can be opened or closed is provided at the bottom of the water tank 1. The fruit and vegetable tank 2 is detachably provided in the water tank 1. The fruit and vegetable basket 3 is detachably provided in the fruit and vegetable tank 2. The water and air inlet system 4 is used to input washing water or gas into the fruit and vegetable tank 2.

[0047] The fruit and vegetable trough 2 is enclosed by the bottom wall and the side wall to form a washing area 21 with an open top. When the fruit and vegetable basket 3 is placed in the fruit and vegetable trough 2, the side wall of the fruit and vegetable basket 3 is arranged close to the inner side wall of the fruit and vegetable trough 2. The bottom wall of the fruit and vegetable basket 3 is provided with an input hole 31 for fluid to enter the fruit and vegetable basket 3 from bottom to top. A fluid buffer zone 22 is formed between the bottom wall of the fruit and vegetable basket 3 and the inner bottom wall of the fruit and vegetable trough 2, which can be laterally dispersed to multiple input holes 31 under the obstruction of the bottom wall of the fruit and vegetable basket 3. The bottom wall of the fruit and vegetable trough 2 is provided with an inlet 23 and a switch assembly 5 that can open or close the inlet 23. The water inlet and air inlet system 4 is arranged on the outer bottom wall of the water trough 1 and can move up and down through the bottom wall of the water trough 1. The water inlet and air inlet system 4 cooperates with the switch assembly 5 as it moves up and down to form a water inlet state, an air inlet state, and a drainage state, respectively.

[0048] The above structure integrates the water inlet and air inlet systems for fruit and vegetable washing without changing the existing drainage system, thereby simplifying the overall structure, facilitating operation, and facilitating switching between the automatic fruit and vegetable washing function and the ordinary sink function.

[0049] The switch assembly 5 of this embodiment includes:

[0050] The water inlet jacket 51 is disposed in the fruit and vegetable groove 2 and has a lower port surrounding the inlet 23. The side of the water inlet jacket 51 is provided with an opening 511 for fluid to pass through;

[0051] The first cover 52 is disposed in the water inlet jacket 51 and can move up and down, and is used to close the inlet 23 by moving downward, and is used to open the inlet 23 by moving upward;

[0052] The first elastic member 53 is disposed in the water inlet jacket 51, so that the first cover 52 always keeps the tendency to move downward to close the inlet 23;

[0053] The second cover 54 is provided with a flow port 521 for fluid to pass through at the central part of the first cover 52. The upper surface of the first cover 52 is provided with a support frame 522 extending upward from the outer periphery of the flow port 521 and being able to pass through the top wall of the water inlet jacket 51. The second cover 54 is arranged in the support frame 522 so as to be able to move up and down, and is used to close the flow port 521 by moving downward, and is used to open the flow port 521 by moving upward;

[0054] The second elastic member 55 is disposed in the support frame 522 to keep the second cover 54 moving downward to close the flow port 521 . The top wall of the water inlet jacket 51 is provided with a clearance port 514 for the support frame 522 to pass through.

[0055] Part of the water and air inlet system 4 passes through the bottom wall of the fruit and vegetable groove 2 to drive the first cover 52 and the second cover 54 to move up and down. The switch assembly 5 is convenient to cooperate with the water and air inlet system 4 to realize the fluid input into the fruit and vegetable groove 2, thereby controlling different cleaning states.

[0056] The water inlet sleeve 51 includes a top wall 512 and a support rod 513 extending downward from the edge of the top wall 512. The lower end of the support rod 513 is constrained on the inner bottom wall of the fruit and vegetable groove 2 and arranged near the periphery of the inlet 23. An opening 511 is formed between adjacent support rods 513. This structure allows the water inlet sleeve 51 and the fruit and vegetable groove 2 to be compactly assembled and convenient for water inlet and outlet.

[0057] The outer edge of the first cover 52 is guided and matched with the inner side wall of the support rod 513, and the lower surface of the first cover 52 is provided with a first boss 523 that can be stuck in the inlet 23 to close the inlet 23. This structure facilitates better reliability after the inlet 23 is closed.

[0058] The first elastic member 53 is a spring sleeved on the outer periphery of the support frame 522. The upper end of the first elastic member 53 abuts against the inner top wall of the water inlet jacket 51, and the lower end abuts against the upper surface of the first cover 52. This structure facilitates the installation of the first elastic member.

[0059] The support frame 522 includes a vertically extending support rib and a cross-shaped top rib located at the top of the support rib. The outer edge of the second cover 54 cooperates with the inner side of the support rib in a vertical guide manner. The lower surface of the second cover 54 is provided with a second boss 541 that can be inserted into the flow port 521 to close the flow port 521. This structure facilitates better reliability after the flow port 521 is closed.

[0060] The second elastic member 55 is a spring disposed on the second cover 54. The upper end of the second elastic member 55 abuts against the top rib, and the lower end abuts against the upper surface of the second cover 54. This structure facilitates the installation of the second elastic member.

[0061] In this embodiment, the water and air inlet system 4 includes an outer sleeve 41, an inner sleeve 42 and a driving member 43. The bottom wall of the water tank 1 is provided with an assembly port 12 arranged corresponding to the inlet 23 of the fruit and vegetable tank 2. The outer sleeve 41 can be arranged to be telescopically arranged through the assembly port 12 up and down. The outer sleeve 41 moves upward to push the first cover 52 to move up and moves downward to cover the edge of the assembly port 12. The inner sleeve 42 can be telescopically sleeved in the outer sleeve 41 up and down. The inner sleeve 42 moves upward to push the second cover 54 to move up and move downward to cooperate with the outer sleeve 41 to close the assembly port 12. The driving member 43 is used to drive the outer sleeve 41 and the inner sleeve 42 to move up and down. With the above structure, it is convenient to switch the water inlet and air inlet states through the up and down movement of the outer sleeve and the inner sleeve in cooperation with the switch assembly.

[0062] The inner sleeve 42 is hollow inside to form a flow channel 421. The top of the inner sleeve 42 is provided with a cover 422 for closing the assembly port 12. A notch 423 is provided on the side wall of the inner sleeve 42 below the cover 422 for fluid to pass through. The lower end of the inner sleeve 42 is a fluid input end. This structure facilitates fluid input through the inner sleeve, is compact in structure, and is easy to operate.

[0063] A fluid input channel 44 is provided under the water tank 1, which can surround the outer sleeve 41 and the inner sleeve 42 and cooperate with the guide. The side wall of the fluid input channel 44 is provided with a gas input port 441 and a washing water input port 442 arranged at intervals up and down. The bottom of the outer sleeve 41 and the inner sleeve 42 is provided with a control structure (including the following first baffle, second baffle, and third baffle) that can connect or close the input end of the inner sleeve 42 with the gas input port 441 and the washing water input port 442 respectively. This structure is convenient for installing the inner sleeve and the outer sleeve, and is convenient for realizing the opening and closing switching of the gas input port and the washing water input port during the up and down movement of the two.

[0064] The lower edge of the outer sleeve 41 is provided with a first partition 401 extending radially and capable of guiding and cooperating with the inner wall of the fluid input channel. Correspondingly, the lower edge of the inner sleeve 42 is provided with a second partition 402 located below the first partition 401. The lower edge of the inner sleeve 42 is also connected to a third partition 403 capable of horizontally partitioning the fluid input channel through a connecting rib. The third partition 403 is located below the second partition 402 and forms a fluid input area 400 between the third partition 403 and the second partition 402. The fluid input area 400 is aligned with the inner side wall of the fluid input channel 44, the gas input port 441, and the washing water input port 442 respectively as the outer sleeve 41 and the inner sleeve 42 move up and down. The above structure is adopted to facilitate the control of whether the gas and washing water are input or not.

[0065] When the side opening of the fluid input area 400 is aligned with the washing water input port 442, the first cover 52 closes the inlet 23, the second cover 54 opens the flow port 521, and a water inlet channel is formed among the washing water input port 442, the fluid input area 400, the flow guide channel 421 of the inner sleeve 42, the notch 423, the water inlet jacket 51, and the opening 511. When the side opening of the fluid input area 400 is aligned with the gas input port 441, the first cover 52 closes the inlet 23, the second cover 54 opens the flow port 521, the washing water input port 442 corresponds to the first partition 401 and the second partition 402 and is thus closed, and an air inlet channel is formed among the gas input port 441, the fluid input area 400, the flow guide channel 421 of the inner sleeve 42, the notch 423, the water inlet jacket 51, and the opening 511. When the side opening of the fluid input area 400 is located above the gas input port 441 and the washing water input port 442 and aligned with the inner side wall of the fluid input channel 44, the fluid input area 400 is closed, the first cover 52 opens the inlet 23, and a drainage channel is formed between the fluid buffer 22, the inlet 23, and the drainage port 11. When the side opening of the fluid input area 400 is located below the gas input port 441 and the washing water input port 442 and aligned with the inner side wall of the fluid input channel 44, the fluid input area 400 is closed, the first cover 52 closes the inlet 23, and the second cover 54 closes the flow port 521, so that the fruit and vegetable tank forms an independent tank body; the top wall of the inner sleeve 42 closes the assembly port 12 so that the tank 1 maintains a flat bottom wall structure.

[0066] The above-mentioned states can be controlled by adjusting the driving stroke of the driving member 43 on the inner sleeve 42, which is convenient for operation.

[0067] In order to facilitate installation and assembly, the driving member 43 is arranged below the fluid input channel 44 , and the output end of the driving member 43 is connected to the lower surface of the third partition plate 403 through the driving rod 45 .

[0068] The water tank 1 of this embodiment is a transversely extending rectangular structure, the drain port 11 is arranged near the first width edge of the water tank 1, the water inlet and air inlet system 4 is arranged near the second width edge of the water tank 1, the inner wall of the water tank 1 is provided with a transversely extending supporting rib 13, and the top edge of the fruit and vegetable tank 2 is provided with a supporting edge 24 that can be slidably placed on the supporting rib 13. The above structure is adopted to facilitate switching between the automatic fruit and vegetable washing and independent washing tank functions, meeting more needs of consumers.

[0069] The cleaning method of the fruit and vegetable cleaning machine of this embodiment comprises the following steps:

[0070] (1) Install the fruit and vegetable basket 3 in the fruit and vegetable trough 2, and place the fruit and vegetable trough 2 in the water tank 1, so that the switch assembly 5 at the bottom of the fruit and vegetable trough 2 corresponds to the air and water inlet system 4 at the bottom of the water tank 1;

[0071] (2) The air and water inlet system 4 is operated to input washing water into the fruit and vegetable tank 2. After the washing water is dispersed in the fluid buffer 22, it evenly passes through the input hole from bottom to top and enters the fruit and vegetable basket 3 until the water inlet is completed;

[0072] (3) The air and water inlet system 4 is operated to input gas into the fruit and vegetable tank 2. After being dispersed in the fluid buffer zone 22, the gas evenly passes through the input hole from bottom to top and enters the fruit and vegetable basket 3. Bubbles are continuously formed in the fruit and vegetable basket 3, and then the fruits and vegetables are cleaned by bubble turbulence until the cleaning is completed;

[0073] (4) The air and water inlet system 4 continues to operate, the water and air inlet passage is cut off, and the inlet 23 at the bottom of the fruit and vegetable trough 2 is opened only by the air and water inlet system driving switch assembly 5, so that the washing water in the fruit and vegetable trough 2 and the fruit and vegetable basket 3 enters the water trough 1 and is discharged through the drain port 11 of the water trough 1;

[0074] (5) Finally, operate the air and water inlet system 4 to close the inlet 23 of the fruit and vegetable trough 2 by the switch assembly 5 at the bottom of the fruit and vegetable trough 2. At this time, take out the fruit and vegetable trough 2 or move it to a desired position in the water trough 1 to be used as an independent cleaning trough.

[0075] Without changing the overall structure of the sink, this embodiment is equipped with a fruit and vegetable trough 2 and a fruit and vegetable basket 3 in the large sink 1. The fruit and vegetable trough 2 is very convenient to take out and put in, and the fruit and vegetable trough 2 can also be moved horizontally in the large sink 1 to be used as an independent cleaning trough. When automatic fruit and vegetable cleaning is required, the fruit and vegetable trough 2 is connected to the water and air inlet system 4, and the up and down movement of the water and air inlet system 4 is controlled to cooperate with the switch component 5 at the bottom of the fruit and vegetable trough 2 to achieve water inlet, air intake, drainage, and closed state switching, thereby switching between the automatic fruit and vegetable cleaning function and the ordinary sink function. The structure is simple and the operation is convenient, which meets more needs of users.

[0076] In the specification and claims of the present invention, terms indicating directions, such as "front", "rear", "up", "down", "left", "right", "side", "top", "bottom", etc., are used to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used as explanations and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

Claims

1. A fruit and vegetable washing machine, comprising a water tank, a fruit and vegetable tank, a fruit and vegetable basket and a water inlet and air inlet system, wherein a drain port that can be opened or closed is provided at the bottom of the water tank, the fruit and vegetable tank is detachably arranged in the water tank, the fruit and vegetable basket is detachably arranged in the fruit and vegetable tank, and the water inlet and air inlet system is used to input washing water or gas into the fruit and vegetable tank, characterized in that: The fruit and vegetable groove is enclosed by the bottom wall and the side wall to form a washing area with an open top. When the fruit and vegetable basket is placed in the fruit and vegetable groove, the side wall of the fruit and vegetable basket is arranged close to the inner side wall of the fruit and vegetable groove. The bottom wall of the fruit and vegetable basket is provided with an input hole for fluid to enter the fruit and vegetable basket from bottom to top. A fluid buffer zone is formed between the bottom wall of the fruit and vegetable basket and the inner bottom wall of the fruit and vegetable groove, which can be laterally dispersed to multiple input holes under the obstruction of the bottom wall of the fruit and vegetable basket. The bottom wall of the fruit and vegetable trough is provided with an inlet and a switch assembly capable of opening or closing the inlet. The water and air inlet system is arranged on the outer bottom wall of the trough and can be moved up and down through the bottom wall of the trough. The water and air inlet system cooperates with the switch assembly as it moves up and down to form a water inlet state, an air intake state, and a drainage state, respectively.

2. The fruit and vegetable cleaning machine according to claim 1, characterized in that: The switch assembly comprises A water inlet jacket is arranged in the fruit and vegetable groove and has a lower port surrounding the inlet, and a side portion of the water inlet jacket is provided with an opening for fluid to pass through; A first sealing cover is disposed in the water inlet jacket so as to be movable up and down, and is used to close the inlet when moved downward and to open the inlet when moved upward; A first elastic member is disposed in the water inlet jacket, so that the first sealing cover always maintains a tendency to move downward to close the inlet; A second cover, wherein a flow port for fluid to pass through is provided in the central portion of the first cover, and a support frame extending upward from the periphery of the flow port and capable of passing through the top wall of the water inlet jacket is provided on the upper surface of the first cover, and the second cover is disposed in the support frame so as to be movable up and down, and is used to close the flow port when it moves downward, and is used to open the flow port when it moves upward; A second elastic member is disposed in the support frame, so that the second cover always keeps a tendency to move downward to close the flow port; Part of the water and air inlet system passes through the bottom wall of the fruit and vegetable groove and is used to drive the first cover and the second cover to move up and down.

3. The fruit and vegetable cleaning machine according to claim 2, characterized in that: The water inlet sleeve includes a top wall and a support rod extending downward from the edge of the top wall. The lower end of the support rod is constrained on the inner bottom wall of the fruit and vegetable groove and arranged near the periphery of the inlet, and the opening is formed between adjacent support rods.

4. The fruit and vegetable cleaning machine according to claim 3, characterized in that: The outer edge of the first cover cooperates with the inner side wall of the support rod in a vertical guiding manner, and the lower surface of the first cover is convexly provided with a first boss which can be clamped in the inlet to close the inlet.

5. The fruit and vegetable cleaning machine according to claim 3, characterized in that: The first elastic member is a spring sleeved on the outer periphery of the support frame, the upper end of the first elastic member abuts against the inner top wall of the water inlet jacket, and the lower end abuts against the upper surface of the first cover.

6. The fruit and vegetable cleaning machine according to claim 2, characterized in that: The support frame includes a vertically extending support rib and a cross-shaped top rib located on the top of the support rib. The outer edge of the second cover cooperates with the inner side of the support rib in an up and down guide manner. The lower surface of the second cover is convexly provided with a second boss that can be clamped in the flow port to close the flow port.

7. The fruit and vegetable cleaning machine according to claim 6, characterized in that: The second elastic member is a spring arranged on the second cover, the upper end of the second elastic member abuts against the top rib, and the lower end abuts against the upper surface of the second cover.

8. The fruit and vegetable cleaning machine according to claim 2, characterized in that: The water and air inlet system includes an outer sleeve, an inner sleeve and a driving member. The bottom wall of the water tank is provided with an assembly port corresponding to the inlet arrangement of the fruit and vegetable tank. The outer sleeve can be telescopically arranged up and down through the assembly port. The outer sleeve moves upward to push the first cover upward and moves downward to cover the edge of the assembly port. The inner sleeve can be telescopically sleeved in the outer sleeve up and down. The inner sleeve moves upward to push the second cover upward and moves downward to cooperate with the outer sleeve to close the assembly port. The driving member is used to drive the outer sleeve and the inner sleeve to move up and down.

9. The fruit and vegetable cleaning machine according to claim 8, characterized in that: The inner sleeve is hollow inside to form a flow guide channel. The top of the inner sleeve is provided with a cover for closing the assembly port. The side wall of the inner sleeve below the cover is provided with a notch for fluid to pass through. The lower end of the inner sleeve is a fluid input end.

10. The fruit and vegetable cleaning machine according to claim 9, characterized in that: A fluid input channel is provided under the water tank, which can surround the outer sleeve and the inner sleeve and cooperate with the guide therein. The side wall of the fluid input channel is provided with a gas input port and a washing water input port which are arranged at intervals up and down. The bottom of the outer sleeve and the inner sleeve is provided with a control structure which can connect or close the input end of the inner sleeve with the gas input port and the washing water input port respectively.

11. The fruit and vegetable cleaning machine according to claim 10, characterized in that: The lower edge of the outer sleeve is provided with a first partition extending radially and capable of cooperating with the inner wall guide of the fluid input channel. Correspondingly, the lower edge of the inner sleeve is provided with a second partition located below the first partition. The lower edge of the inner sleeve is also connected to a third partition capable of transversely partitioning the fluid input channel through connecting ribs. The third partition is located below the second partition and forms a fluid input area between the third partition and the second partition. The fluid input area is aligned with the inner side wall of the fluid input channel, the gas input port and the washing water input port respectively as the outer sleeve and the inner sleeve move up and down.

12. The fruit and vegetable cleaning machine according to claim 11, characterized in that: When the side opening of the fluid input area is aligned with the washing water input port, the first cover closes the inlet and the second cover opens the flow port, and a water inlet channel is formed among the washing water input port, the fluid input area, the guide channel of the inner sleeve, the notch, the water inlet sleeve and the opening.

13. The fruit and vegetable cleaning machine according to claim 11, characterized in that: When the side opening of the fluid input area is aligned with the gas input port, the first cover closes the inlet, the second cover opens the flow port, the washing water input port corresponds to the space between the first partition and the second partition and is thus closed, and an air inlet channel is formed between the gas input port, the fluid input area, the guide channel of the inner sleeve, the notch, the water inlet sleeve, and the opening.

14. The fruit and vegetable cleaning machine according to claim 11, characterized in that: When the side opening of the fluid input area is located above the gas input port and the washing water input port and is aligned with the inner wall of the fluid input channel, the fluid input area is closed, the first cover opens the inlet, and a drainage channel is formed between the fluid buffer zone, the inlet, and the drain port.

15. The fruit and vegetable cleaning machine according to claim 11, characterized in that: The side opening of the fluid input area is located below the gas input port and the washing water input port and is aligned with the inner wall of the fluid input channel. The fluid input area is closed, the first cover closes the inlet, and the second cover closes the flow port, so that the fruit and vegetable trough forms an independent trough body; the top wall of the inner sleeve closes the assembly port so that the trough maintains a flat structure of the bottom wall.

16. The fruit and vegetable cleaning machine according to claim 11, characterized in that: The driving member is arranged below the fluid input channel, and the output end of the driving member is connected to the lower surface of the third partition plate through a driving rod.

17. The fruit and vegetable cleaning machine according to any one of claims 1 to 16, characterized in that: The water trough is a laterally extending rectangular structure, the drain outlet is arranged near the first width edge of the water trough, the water inlet and air inlet system is arranged near the second width edge of the water trough, the inner side wall of the water trough is provided with laterally extending supporting ribs, and the top edge of the fruit and vegetable trough is provided with a supporting edge that can be slidably placed on the supporting ribs.

18. A cleaning method for a fruit and vegetable cleaning machine, characterized in that: The fruit and vegetable cleaning machine according to any one of claims 1 to 17 comprises the following steps (1) Install the fruit and vegetable basket in the fruit and vegetable trough, and place the fruit and vegetable trough in the water tank so that the switch assembly at the bottom of the fruit and vegetable trough corresponds to the air and water inlet system at the bottom of the water tank; (2) operating the air and water inlet system to input washing water into the fruit and vegetable tank. After being dispersed in the fluid buffer zone, the washing water evenly flows from bottom to top through the input hole into the fruit and vegetable basket until the water inlet is completed; (3) operating the air and water inlet system to input gas into the fruit and vegetable tank. After being dispersed in the fluid buffer zone, the gas evenly passes through the input hole from bottom to top and enters the fruit and vegetable basket, continuously forming bubbles in the fruit and vegetable basket, thereby performing bubble turbulent cleaning on the fruits and vegetables until the washing is completed; (4) Continue to operate the air and water inlet system, cut off the air and water inlet passage, and only use the air and water inlet system to drive the switch assembly to open the inlet at the bottom of the fruit and vegetable tank, so that the washing water in the fruit and vegetable tank and the fruit and vegetable basket can enter the water tank and be discharged through the drain outlet of the water tank; (5) Finally, operate the air and water inlet system to close the inlet of the fruit and vegetable trough by the switch assembly at the bottom of the fruit and vegetable trough. At this time, take out the fruit and vegetable trough or move it to the required position in the water trough for use as an independent cleaning trough.

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