A cleaning machine

Abstract

The invention relates to a cleaning machine, which has a cleaning cavity inside the machine body, the cleaning cavity has a terminal water outlet mechanism for washing tableware, and the bottom of the cleaning cavity also has a residue collecting area, a water pumping mechanism is arranged in the machine body, and a residue collecting device is arranged in the cleaning cavity and located in the residue collecting area. By arranging the residue collecting device upstream of the terminal water outlet mechanism, and making the inlet end of the flow guide channel in the water pumping mechanism in fluid communication with the collecting cavity of the residue collecting device, the entire residue collecting device is located on the water flow path for supplying water to the terminal water outlet mechanism. Therefore, during the process of supplying water to the terminal water outlet mechanism, the source of water inlet of the water pumping mechanism is the collecting cavity of the residue collecting device, and the rapid flow of water will continuously form a negative pressure state in the collecting cavity, thereby avoiding food residue overflow and forming a residue effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of kitchen cleaning equipment, and particularly belongs to a cleaning machine. BACKGROUND

[0002] The cleaning machine is a relatively common kitchen cleaning equipment, and the appearance of the cleaning machine greatly reduces the labor intensity of kitchen work. The existing cleaning machine is usually provided with a pump structure inside the machine body, and the pump structure is used for pumping water to the end water outlet part such as a spray arm, so as to spread the cleaning water throughout the cleaning chamber of the cleaning machine.

[0003] For example, the applicant's prior application for a Chinese patent with the patent number CN201410848627.2 discloses an "open water pump and its application". In the open water pump, the lower part of the impeller is exposed to the outside of the shell in an open structure, and the upper part of the impeller is arranged in the shell and is closed at the upper end. The setting of the end cover is conducive to avoiding the formation of vortex between the upper end of the impeller and the top wall in the accommodating cavity, reducing energy loss, improving the work of fluid, thereby improving the water flow rate of the spray arm, and further improving the cleaning effect. Generally speaking, the cleaning machine is provided with a separate residue collecting basket in the cleaning chamber to collect residues.

[0004] Although the above-mentioned water pump achieves good results, the disturbance of the open water pump to the water flow in the cleaning machine causes part of the collected residues to overflow under the rotating action of the spray arm. In this way, not only will the cleaning water be repeatedly contaminated, but also the centralized treatment of the residues will be affected. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a cleaning machine which can collect residues in the residue collecting area while pumping water.

[0006] The technical solution adopted by the present application to solve the above technical problem is as follows: a cleaning machine, comprising:

[0007] a machine body, which has a cleaning chamber inside, and has an end water outlet mechanism for washing tableware in the cleaning chamber, and further has a residue collecting area at the bottom of the cleaning chamber;

[0008] a water pumping mechanism arranged in the machine body, which is used for pumping water in the cleaning chamber to the end water outlet mechanism, and has a flow guide channel inside for pumping water to the end water outlet mechanism;

[0009] The slag collecting device is arranged in the cleaning cavity and in the residue collecting area. The slag collecting device is arranged in the water flow path of the water supply mechanism of the terminal water outlet mechanism. The slag collecting device has an internal hollow collecting cavity. The collecting cavity is arranged upstream of the terminal water outlet mechanism along the flow direction of the fluid. The inlet end of the collecting cavity is in fluid communication with the residue collecting area of the cleaning cavity. The inlet end of the flow guide channel is in fluid communication with the outlet end of the collecting cavity.

[0010] To ensure that the slag collecting device can timely collect food residues in the cleaning cavity, preferably, the cleaning cavity has a downwardly recessed draining area, which is the residue collecting area. The housing of the slag collecting device is located in the draining area.

[0011] Specifically, the draining area is provided with a draining plate having an installation opening for embedding the housing.

[0012] There are various specific ways to realize water pumping. Preferably, the water pumping mechanism includes a valve body and a first driver. The power input end of the valve body has a piston member for pumping water from the inlet end to the outlet end of the valve body. The power output end of the first driver is drivingly connected with the piston member and intermittently acts on the piston member. In this way, the first driver and the piston member cooperate to realize water pumping. Since the two are intermittently driven, the water flow pumped by the valve body is intermittently supplied in a pulse mode. For the terminal water outlet mechanism, the pulse water supply mode can effectively increase the impact force of the water flow without changing the water path communication structure, thereby enhancing the washing effect. In addition, since the inlet end of the flow guide channel of the water pumping mechanism is in fluid communication with the outlet end of the collecting cavity, the pulse water outlet mode can intermittently suck water from the collecting cavity. In the repeated cycle of pumping and buffering, food residues in the collecting cavity will correspondingly gather at the outlet end of the collecting cavity when water is pumped, and will be dispersed around the outlet end of the collecting cavity during the buffering stage between two water pumping processes. In this way, food residues will be firmly locked in the collecting cavity of the slag collecting device at any stage, thereby avoiding residue leakage.

[0013] To avoid the misentry of residues into the terminal water outlet mechanism, the slag collecting device further includes a separation mechanism. The housing is internally hollow to form the collecting cavity. The separation mechanism is arranged in the collecting cavity and separates the collecting cavity to form an input chamber for collecting cleaning water with residues and an output chamber for supplying water to the flow guide channel. The output chamber is located downstream of the input chamber along the flow direction of the fluid. In this way, the two-chamber separation design enables the input chamber and the output chamber to not only realize continuous water flow but also enable food residues to be concentrated and stay in the input chamber. Once part of the food residues leaks, the output chamber can timely intercept the food residues to avoid the food residues from continuing to flow downstream and blocking the terminal water outlet mechanism.

[0014] In order to further avoid food residues from blocking the flow channel, specifically, the separation mechanism has a first valve plate and a second valve plate arranged in an up-down manner, wherein the first valve plate is arranged in the input chamber and can move up and down relative to the input chamber, and a water passage hole only allowing water to pass through is formed in the first valve plate; the second valve plate is arranged in the output chamber and can move up and down relative to the output chamber, and one of the first valve plate and the second valve plate can move up and down relative to the other to approach or move away from the other, so that the first valve plate and the second valve plate are attached to each other to block the water passage hole or are separated from each other to open the water passage hole. In this way, the two valve plates are designed in this form, and the water passage state can be switched by changing the positional relationship between the two valve plates. Since the output chamber can temporarily appear negative pressure in the water pumping state of the flow channel, the second valve plate can move away from the first valve plate to open the water passage hole in the first valve plate under the action of negative pressure, so as to realize the conduction of the waterway. In this way, in the water pumping state of the pump mechanism, the second water flow can continuously enter the output chamber after the first water flow, and finally realize the continuous delivery of water flow.

[0015] In order to ensure that the two valve plates can be separated from each other, preferably, the inner wall of the shell has a stop edge extending into the collection cavity in the circumferential direction, and the outer edges of the first valve plate and the second valve plate can abut on the upper and lower sides of the stop edge, respectively.

[0016] In order to maintain the negative pressure state in the output chamber, preferably, the outer edge of the second valve plate has a sealing groove at the top, and in the state that the second valve plate abuts on the stop edge, the lower side of the stop edge is located in the sealing groove.

[0017] Preferably, the inner wall of the output chamber is arranged to be inclined inward from top to bottom, and in the state that the second valve plate moves downward to separate from the stop edge, a gap is formed between the outer edge of the second valve plate and the inner wall of the output chamber for water flow to pass through. In this way, the inner wall of the output chamber is designed in this inclined form, and the water flow output by the gap between the outer edge of the second valve plate and the inner wall of the output chamber can be adaptively adjusted according to the size of the negative pressure. That is, once the output power of the water pumping mechanism increases, the suction force will naturally generate greater negative pressure in the output chamber, which will make the large particles of residues be dispersed, thereby greatly increasing the probability of food residues entering the end water outlet mechanism through each hole. At this time, the second valve plate will move downward to a deeper position under the action of greater negative pressure, so that the gap between the outer edge of the second valve plate and the inner wall of the output chamber is reduced, and thus the food residues can be intercepted to avoid blocking the flow channel when the negative pressure moment enters the end water outlet.

[0018] To ensure that the first valve plate and the second valve plate maintain a reasonable range of movement and can automatically return to the initial state, preferably, the separation mechanism further has a first elastic member and a second elastic member, which correspondingly act on the first valve plate and the second valve plate respectively, so that both have a tendency to abut against the stop edge.

[0019] To avoid the two valve plates from being offset after movement, affecting the sealing effect, preferably, the separation mechanism further comprises a support rod, which vertically extends and is arranged on the first valve plate and the second valve plate, and the upper and lower ends thereof are located in the input chamber and the output chamber respectively, and the first elastic member and the second elastic member are sleeved on the two ends of the support rod respectively, so as to be correspondingly located in the input chamber or the output chamber.

[0020] Specifically, the shell is cylindrical and vertically extends, and the upper end thereof has an opening, and the slag collecting device further comprises an upper cover capable of covering the opening of the shell, the upper end of the support rod is arranged on the upper cover, and the upper cover is further provided with a fastener for locking the support rod outside the collection cavity, and the two ends of the first elastic member abut against the inner wall of the upper cover and the first valve plate respectively.

[0021] Further, the lower end of the support rod has a laterally extending support side, which is located in the output chamber, and the two ends of the second elastic member abut against the second valve plate and the support side respectively.

[0022] To facilitate the residue to enter the collection cavity of the shell, preferably, the upper cover is provided with a slag collecting hole for the cleaning water with residue to enter the input chamber.

[0023] Better, the slag collecting hole is at least two, and each slag collecting hole is arranged around the support rod in the circumferential direction of the upper cover.

[0024] To achieve the supply of pulsed water flow and avoid the backflow of the water flow pumped by the piston member, preferably, the valve body is hollow to form a valve cavity, the valve body further has a water inlet channel and a water outlet channel, the water inlet channel, the valve cavity and the water outlet channel are sequentially arranged and fluidly connected in the flow direction of the water flow to form the flow guide channel, and the water inlet channel can have a first one-way valve for allowing the water flow to flow from the output chamber to the water inlet channel only.

[0025] To avoid the movement of the piston member from interfering with the generated pulsed water flow and improve the utilization rate of the first driver, preferably, the piston member is movably constrained on the valve body, and the water pumping end thereof is located in the valve cavity, and the movement direction of the piston member intersects with the flow direction of the water flow.

[0026] Specifically, the piston member vertically extends, the bottom wall of the valve body is provided with a through hole for the piston member to pass through, the lower end of the piston member extends out of the through hole to below the valve body, and the first driver is located below the valve body.

[0027] There are various ways to intermittently drive the piston member, preferably, the pump water mechanism further has a cam, and the output end of the first driver is in driving connection with the cam, so that the convex part of the outer edge of the cam intermittently acts on the lower end of the piston member.

[0028] In order to avoid excessive wear of the piston member and ensure the service life of the power element, preferably, the lower end of the piston member is provided with a transmission wheel, the rotation axis of the transmission wheel extends in the same direction as the cam, and the outer edge of the cam is in contact and abutment with the outer edge of the transmission wheel.

[0029] Specifically, the bottom of the piston member has two connecting seats extending downward, the two connecting seats are oppositely and spacedly arranged, and the transmission wheel is rotatably constrained between the two connecting seats through the rotating shaft penetrating the two connecting seats.

[0030] In order to ensure that the piston member can reset in time to perform the next action after performing an action, preferably, the valve cavity is further provided with a third elastic member, which acts on the piston member to make the piston member always have a downward moving tendency.

[0031] In order to ensure the delivery of the pulse water flow to the terminal water outlet mechanism, preferably, the pump water mechanism further has a water outlet seat, the water outlet seat has the water outlet channel inside, and the water outlet seat penetrates the bottom wall of the machine body and extends into the cleaning cavity, and the water inlet end of the terminal water outlet mechanism is in fluid communication with the water outlet seat.

[0032] There are various ways to realize the washing of tableware, preferably, the terminal water outlet mechanism at least includes a spray arm, the spray arm is rotatably constrained on the water outlet seat and the rotation axis thereof extends vertically, and the spray arm is provided with a spray opening in fluid communication with the flow guide channel.

[0033] In order to ensure that the water entering the flow guide channel is derived from the output chamber of the shell of the residue collecting device, preferably, the pump water mechanism further includes a water inlet seat, the water inlet seat has the water inlet channel inside, and the valve body is connected to the shell of the residue collecting device through the water inlet seat, and the side wall of the shell is provided with a flow guide opening at the corresponding position to communicate the water inlet channel and the output chamber of the shell.

[0034] Preferably, the flow guide opening is arranged at the lower end of the inner wall of the output chamber, the flow direction of the fluid in the flow guide opening is crossed with the flow direction of the fluid at the gap, and when the second valve plate is moved downward to the limit state, the outer edge of the second valve plate abuts against the inner wall of the output chamber and is located above the upper edge of the flow guide opening. As mentioned above, a gap is left between the outer edge of the second valve plate and the inner wall of the output chamber for the water flow, therefore, the flow guide opening is arranged on the inner wall of the output chamber, the flow direction of the water flow inside the flow guide opening is crossed with the flow direction of the water flow at the gap, when the flow guide opening pumps the previous water flow downstream under the action of water pumping, the next water flow will fill the vacancy of the previous water flow again under the action of negative pressure in the extreme time, and the siphon effect is generated at the flow guide opening, so that the whole water flow is more powerful and continuous, the power of the downstream water pumping mechanism is compensated, and better water supply effect can be achieved in the pulse environment. In the extreme case of excessive negative pressure, the abutment of the second valve plate and the inner wall of the output chamber will form a temporary seal, thereby disconnecting the water path, which can not only avoid water path overload, but also avoid residue leakage and block the water path.

[0035] Preferably, a residue blocking grid is arranged at the flow guide opening, the residue blocking grid has at least two grid plates, each of the grid plates is arranged in a spaced manner from top to bottom, and a spacing for water passing through is left between adjacent two grid plates.

[0036] In order to facilitate the discharge of cleaning water from the cleaning machine, preferably, a drain opening is arranged at the bottom of the draining section, the shell of the residue collecting device is arranged corresponding to the drain opening, and the cleaning machine further has a drain pump which is installed on the machine body and has a fluid communication between the inlet end and the drain opening.

[0037] Specifically, the drain pump has a pump shell and a second driver, the pump shell has a drain passage inside, and the power output end of the second driver has an impeller located in the drain passage to pump the water in the drain passage out of the machine body.

[0038] Preferably, the water inlet end of the pump shell has a drain cavity, and in the state that the pump shell is engaged at the drain opening, the output chamber of the shell is in fluid communication with the drain passage through the drain cavity.

[0039] In order to avoid the backflow of water in the cleaning cavity to the water pumping mechanism, preferably, a second one-way valve is further arranged in the water outlet seat, which is only used for water flow from the water outlet channel to the terminal water outlet mechanism.

[0040] Compared with the prior art, the advantage of the present application is that in the cleaning machine, the slag collecting device is arranged upstream of the terminal water outlet mechanism, and the inlet end of the flow guide channel in the water pumping mechanism is in fluid communication with the collecting cavity of the slag collecting device, so that the entire slag collecting device is located on the water flow path for supplying water to the terminal water outlet mechanism, and during the water supply process of the water pumping mechanism to the terminal water outlet mechanism, the water inlet source is the collecting cavity of the slag collecting device, and the rapid flow of water will continuously form a negative pressure state in the collecting cavity, thereby avoiding food residue overflow and forming slag. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 is a schematic diagram of the overall structure of the cleaning machine in the embodiment of the present application;

[0042] Figure 2 is Figure 1 is a schematic diagram of the cleaning machine after omitting part of the structure;

[0043] Figure 3 is Figure 2 is a schematic diagram of the cleaning machine after omitting part of the structure;

[0044] Figure 4 is Figure 3 is an exploded schematic diagram of part of the structure from another angle;

[0045] Figure 5 is Figure 2 is a schematic diagram of the cleaning machine from another angle after omitting part of the structure;

[0046] Figure 6 is Figure 5 is a sectional view from the first angle;

[0047] Figure 7 is a schematic diagram of the cooperation of the slag collecting device and the drainage pump;

[0048] Figure 8 is Figure 5 is a sectional view from the second angle;

[0049] Figure 9 is Figure 8 is an enlarged schematic diagram of position A in the middle;

[0050] Figure 10 is a sectional view of the overall structure of the slag collecting device;

[0051] Figure 11 is Figure 10 is a schematic diagram from another angle (water inlet state);

[0052] Figure 12 is Figure 10 is a schematic diagram from another angle (pressure relief state). DETAILED DESCRIPTION

[0053] The application will be further described in detail below with reference to the accompanying drawings.

[0054] As Figures 1 to 12 shown in a preferred embodiment of the application. In this embodiment, the cleaning machine comprises a machine body 1, a water pumping mechanism 3 and a residue collecting device 4. The cleaning machine here can be a fruit and vegetable cleaning machine or other types of cleaning equipment. Taking a dishwasher as an example, the machine body 1 has a cleaning cavity 10 inside, and the cleaning cavity 10 has an end water outlet mechanism 2 for washing dishes. There are various ways to achieve the washing of dishes in the cleaning cavity 10. The end water outlet mechanism 2 in this embodiment at least comprises a spray arm 21. Generally, the spray arm 21 is arranged to be rotatable relative to the cleaning cavity 10. This type of cleaning machine, such as a dishwasher, is more common, and will not be described here in detail. In addition to the spray arm 21, a middle layer spraying system or a top spraying system is often provided in the cleaning cavity 10 to ensure uniform washing of dishes in each position of the cleaning cavity 10, leaving no dead angle.

[0055] Referring to Figures 5 to 9 , the water pumping mechanism 3 in this embodiment is arranged in the machine body 1, which is used to pump water in the cleaning cavity 10 to the end water outlet mechanism 2, and the water pumping mechanism 3 has a flow guide channel 30 inside for pumping water to the end water outlet mechanism 2. Specifically, the water pumping mechanism 3 comprises a valve body 31 and a first driver 32. The power input end of the valve body 31 has a piston 33 for pumping water from the inlet end to the outlet end of the valve body 31. The power output end of the first driver 32 is drivingly connected with the piston 33 and intermittently acts on the piston 33. In this way, the piston 33 realizes the structure design of pumping water. The water flow output by the water pumping mechanism 3 is intermittent pulse water flow. For the end water outlet mechanism, the pulse water supply mode can effectively increase the impact force of the water flow itself without changing the waterway connection structure, thereby enhancing the washing effect.

[0056] In the embodiment, the valve body 31 is internally hollowed to form the valve cavity 3b, and the valve body 31 further has the water inlet channel 3a and the water outlet channel 3c, which are sequentially arranged and fluidly communicated with each other in the flow direction of the water flow to form the above-mentioned flow channel 30, and the water inlet channel 3a can have the first one-way valve 35 for allowing the water flow from the output chamber 402 to the water inlet channel 3a only. The above-mentioned piston member 33 is movably constrained on the valve body 31, and the water pumping end of the piston member 33 is located in the valve cavity 3b, and the moving direction of the piston member 33 intersects with the flow direction of the water flow. In the embodiment, the piston member 33 extends vertically, and a through hole is formed in the bottom wall of the valve body 31 for the piston member 33 to pass through, and the lower end of the piston member 33 extends out of the valve body 31 through the through hole, and the first driver 32 is located below the valve body 31. In order to realize intermittent driving, the water pumping mechanism 3 in the embodiment further has the cam 36, and the output end of the first driver 32 is drivingly connected with the cam 36, so that the convex portion of the outer edge of the cam 36 intermittently acts on the lower end of the piston member 33. In order to ensure smooth transmission, the lower end of the piston member 33 is provided with the transmission wheel 331, and the rotation axis of the transmission wheel 331 extends in the same direction as the cam 36, and the outer edge of the cam 36 is in contact and abutment with the outer edge of the transmission wheel 331. Specifically, the bottom of the above-mentioned piston member 33 has two downward extending connecting seats 332, which are oppositely and spacedly arranged, and the transmission wheel 331 is rotatably constrained between the two connecting seats 332 through the rotating shaft penetrating through the two connecting seats 332. Moreover, in order to ensure that the piston member 33 can be elastically reset, the above-mentioned valve cavity 3b is further provided with the third elastic member 333, which acts on the piston member 33, so that the piston member 33 always has a downward moving tendency.

[0057] In addition, in order to realize the water flow to be delivered into the cleaning cavity 10, the water pumping mechanism 3 in the embodiment further has the water outlet seat 34, which internally has the water outlet channel 3c, and the water outlet seat 34 is penetrated through the bottom wall of the machine body 1 and extends into the cleaning cavity 10, and the water inlet end of the terminal water outlet mechanism 2 is fluidly communicated with the water outlet seat 34, and the second one-way valve 39 is further arranged in the water outlet seat 34 for allowing the water flow to be delivered from the water outlet channel 3c to the terminal water outlet mechanism 2 only. For the terminal water outlet mechanism 2, the spray arm 21 is rotatably constrained on the water outlet seat 34 and the rotation axis thereof extends vertically, and the spray arm 21 is provided with the spray opening 22 which is fluidly communicated with the flow channel 30. Of course, in order to ensure that the water flow is input into the valve body 31, the above-mentioned water pumping mechanism 3 further includes the water inlet seat 37, which internally has the above-mentioned water inlet channel 3a.

[0058] Referring to Figures 1 to 5 and Figures 10 to 12In this embodiment, in order to achieve the collection of food residues, the bottom of the cleaning chamber 10 also has a residue collection area, and the residue collecting device 4 in the cleaning machine is arranged in the cleaning chamber 10 and located in the residue collection area. Specifically, the cleaning chamber 10 has a downwardly recessed draining area 1a, which is the residue collection area, and the shell 41 of the residue collecting device 4 is located in the draining area 1a. The opening of the draining area 1a is provided with a draining plate 11, and the draining plate 11 is provided with a mounting hole 12 for embedding the shell 41.

[0059] In order to make full use of the suction force generated by the water pumping mechanism 3 when supplying water to the terminal water outlet mechanism 2, so as to avoid the leakage of food residues collected by the residue collecting device 4, the residue collecting device 4 is arranged on the water flow path of the terminal water outlet mechanism 2. The residue collecting device 4 has an internal hollow collection cavity 40. Along the flow direction of the fluid, the collection cavity 40 is arranged upstream of the terminal water outlet mechanism 2, and the inlet end of the collection cavity 40 is in fluid communication with the residue collection area of the cleaning chamber 10. The inlet end of the flow guide channel 30 is in fluid communication with the outlet end of the collection cavity 40. The structure design of the residue collecting device 4, because the inlet end of the flow guide channel in the water pumping mechanism is in fluid communication with the outlet end of the collection cavity, the pulsed water outlet mode can intermittently suck water from the collection cavity. In the repeated cycle of pumping and buffering, the food residues in the collection cavity will also correspondingly gather at the outlet end of the collection cavity during the "water pumping" stage, and will also be dispersed near the outlet end of the collection cavity during the buffering stage between two water pumping stages. In this way, no matter in which stage, the food residues will be firmly locked in the collection cavity of the residue collecting device, thereby avoiding the leakage of residues.

[0060] Of course, there are many ways to achieve the collection of residues, and the pulse water supply mode also needs a special residue structure to cooperate. The residue collecting device 4 in the embodiment includes a separation mechanism 42, and the shell 41 is hollow to form a collection cavity 40. The separation mechanism 42 is arranged in the collection cavity 40 and separates the collection cavity 40 to form an input chamber 401 for collecting cleaning water with residues and an output chamber 402 for supplying water to the flow guide channel 30. Along the flow direction of the fluid, the output chamber 402 is located downstream of the input chamber 401. Specifically, the above-mentioned separation mechanism 42 has a first valve plate 421 and a second valve plate 422 arranged in an upper and lower manner. The first valve plate 421 is arranged in the input chamber 401 and can move up and down relative to the input chamber 401. A water passage hole 423 only for water passing through is formed in the first valve plate 421. The second valve plate 422 is arranged in the output chamber 402 and can move up and down relative to the output chamber 402. One of the first valve plate 421 and the second valve plate 422 can be close to or away from the other under the action of moving up and down by itself, so that the first valve plate 421 and the second valve plate 422 are mutually attached to block the water passage hole 423, or are mutually separated to open the water passage hole 423. In order to ensure that the first valve plate 421 and the second valve plate 422 can respectively realize their respective functions, the inner wall of the above-mentioned shell 41 has a stop edge 43 extending into the collection cavity 40 in the circumferential direction. The outer edge of the first valve plate 421 and the outer edge of the second valve plate 422 can abut on the upper and lower sides of the stop edge 43, respectively. The outer edge of the second valve plate 422 has a sealing groove 424 at the top. In the state that the second valve plate 422 abuts on the stop edge 43, the lower side of the stop edge 43 is located in the sealing groove 424. The design of the two chambers can not only realize the continuous delivery of the water flow, but also can concentrate the food residues in the input chamber. Once part of the food residues leaks, the output chamber can timely intercept to avoid the food residues continuing to be delivered downstream to block the end water outlet mechanism. The design of the two valve plates can switch different water passage states by changing the positional relationship of the two valve plates. Since the output chamber can appear negative pressure under the water pumping state of the flow guide channel, the second valve plate can open the water passage hole in the first valve plate by the negative pressure to realize the conduction of the water path. In this way, under the pulse water pumping state of the pump water mechanism, the second water flow can continuously enter the output chamber after the first water flow, and finally realize the continuous delivery of the water flow.

[0061] Referring to Figure 11The inner wall of the output chamber 402 in the embodiment is arranged to be inclined inward from top to bottom, and in the state that the second valve plate 422 is moved downward to be separated from the stop ridge 43, a gap 425 is formed between the outer edge of the second valve plate and the inner wall of the output chamber 402 for water flow. In this way, the design form of the inclined inner wall of the output chamber, the gap between the outer edge of the second valve plate and the inner wall of the output chamber can adaptively adjust the water flow output, that is, once the output power of the water pumping mechanism increases, the suction force will naturally generate greater negative pressure in the output chamber, which will make the large particles of residues be dispersed, thereby greatly increasing the probability of food residues entering the end water outlet mechanism through each hole. At this time, the second valve plate will move downward to a deeper position under the action of greater negative pressure, so that the gap between the outer edge of the second valve plate and the inner wall of the output chamber is reduced, so as to intercept the food residues and avoid the blockage of the flow channel when the food residues enter the end water outlet part in an instant.

[0062] In addition, the above-mentioned separation mechanism 42 also has a first elastic member 426 and a second elastic member 427, which correspondingly act on the first valve plate 421 and the second valve plate 422, respectively, so that both always have the tendency to abut against the stop ridge 43. Specifically, the above-mentioned separation mechanism 42 further includes a support rod 44 which vertically extends and is provided on the first valve plate 421 and the second valve plate 422, and the upper and lower ends thereof are located in the input chamber 401 and the output chamber 402, respectively. The first elastic member 426 and the second elastic member 427 are respectively sleeved on the two end portions of the support rod 44, so as to be correspondingly located in the input chamber 401 or the output chamber 402. In order to ensure the installation of the support rod 44 and the like, the above-mentioned shell 41 is cylindrical and vertically extends, and the upper end thereof has an opening. The residue collecting device 4 further includes an upper cover 45 which can cover the opening of the shell 41, the upper end of the support rod 44 is provided on the upper cover 45, and the upper cover 45 is provided with a fastener 46 outside the collection chamber 40 for locking the support rod 44. The two ends of the first elastic member 426 abut against the inner wall of the upper cover 45 and the first valve plate 421, respectively. The lower end of the support rod 44 has a laterally extending support side 441 which is located in the output chamber 402, and the two ends of the second elastic member 427 abut against the second valve plate 422 and the support side 441, respectively. Of course, in order to ensure that the residues can be collected into the collection chamber 40, the upper cover 45 is provided with residue collecting holes 451 for the cleaning water with residues to enter the input chamber 401. In the embodiment, the residue collecting holes 451 are at least two, and each residue collecting hole 451 is arranged around the support rod 44 in the circumferential direction of the upper cover 45.

[0063] In the present embodiment, the valve body 31 of the water pumping mechanism 3 is engaged with the housing 41 of the debris collecting device 4 through the water inlet seat 37, and the side wall of the housing 41 is provided with a flow guide opening 3d for connecting the water inlet channel 3a and the output chamber 402 of the housing 41 at a corresponding position. The flow guide opening 3d is provided at the lower end of the inner side wall of the output chamber 402, the flow direction of the fluid in the flow guide opening 3d intersects the flow direction of the fluid at the gap 425, and when the second valve plate 422 moves downward to the limit state, the outer edge of the second valve plate 422 abuts against the inner wall of the output chamber 402 and is located above the upper edge of the flow guide opening 3d. As mentioned above, there is a gap between the outer edge of the second valve plate and the inner wall of the output chamber for water flow, therefore, the position of the flow guide opening is designed on the inner wall of the output chamber, the flow direction of the water flow inside the flow guide opening intersects the flow direction of the water flow at the gap, when the flow guide opening pumps the previous wave of water downstream under the action of suction, the next wave of water will fill the gap of the previous wave again under the action of negative pressure in the extreme time, and the siphon effect is generated at the flow guide opening, so that the whole water flow is more powerful and continuous, and the power of the downstream water pumping mechanism is compensated, and better water supply effect can be achieved in the pulse environment. In addition, under extreme conditions such as excessive negative pressure, the abutment of the second valve plate and the inner wall of the output chamber will form a temporary seal, thereby disconnecting the water path, which can not only avoid water path overload, but also avoid debris leakage and block the water path. In addition, a debris blocking grid 38 is arranged at the flow guide opening 3d, the debris blocking grid 38 has at least two grid plates, each grid plate is arranged in a spaced manner from top to bottom, and a spacing for water to pass through is left between adjacent two grid plates.

[0064] Of course, in order to ensure that the cleaning water can be discharged out of the cleaning machine into the sewer after cleaning, a drain opening 1b is provided at the bottom of the draining area 1a, the housing 41 of the debris collecting device 4 is arranged corresponding to the drain opening 1b, and the cleaning machine further has a drain pump 13, which is installed on the machine body 1 and has a fluid communication between the inlet end and the drain opening 1b. The drain pump 13 in the present embodiment has a pump shell 131 and a second driver 132, the pump shell 131 has a drain channel inside, and the power output end of the second driver 132 has an impeller located in the drain channel to pump the water in the drain channel out of the machine body 1. Specifically, the water inlet end of the pump shell 131 has a drain cavity 130, and in the state that the pump shell 131 is engaged at the drain opening 1b, the output chamber 402 of the housing 41 is in fluid communication with the drain channel through the drain cavity 130.

[0065] In addition, in the present embodiment, the second valve plate 422 is further provided with a pressure relief hole 428 for the water in the output chamber 402 to flow reversely into the input chamber 401 under positive pressure. Referring to Figure 12Once the pump water mechanism 3, whether it is the first one-way valve 35 in the water inlet channel 3a is damaged, or the second one-way valve 39 in the water outlet channel 3c is damaged, the water flow will be reversed and flow into the input chamber 401 through the pressure relief hole 428 on the second valve plate 422, thereby reducing the water pressure inside the valve body 31 and avoiding pipeline damage.

[0066] The "fluid communication" referred to in the present application refers to the spatial positional relationship between two components or parts (hereinafter collectively referred to as first part, second part), i.e. the fluid (gas, liquid or mixture of the two) can flow or / and be transported from the first part to the second part along the flow path, which can be directly connected between the first part and the second part, or indirectly connected between the first part and the second part through at least one third party, which can be a fluid passage such as a pipe, channel, conduit, flow guide, hole, groove, etc., or a chamber allowing fluid flow or a combination thereof.

[0067] In addition, in the specification and claims of the present application, terms indicating directions, such as "front", "back", "up", "down", "left", "right", "side", "top", "bottom", etc. are used to describe various example structural parts and elements of the present application, but these terms are used herein only for the purpose of convenience of description and are determined based on the example orientation shown in the drawings. Since the disclosed embodiments of the present application can be arranged in different directions, these terms indicating directions are only for illustration and should not be considered as limitations, such as "up", "down" are not necessarily limited to the direction opposite or consistent with the direction of gravity.

Claims

1. A cleaning machine comprising: a machine body (1) having a cleaning cavity (10) inside, the cleaning cavity (10) having a terminal water outlet mechanism (2) for washing dishes inside, and the bottom of the cleaning cavity (10) further having a residue collection area; a pump water mechanism (3) arranged in the machine body (1) for pumping water in the cleaning cavity (10) to the terminal water outlet mechanism (2), and having a flow guide channel (30) inside for pumping water to the terminal water outlet mechanism (2); characterized in that it further comprises: a residue collecting device (4) arranged in the cleaning cavity (10) and located in the residue collection area, the residue collecting device (4) being arranged on the water flow path for supplying water to the terminal water outlet mechanism (2), the residue collecting device (4) having a hollow shell (41) forming a collection cavity (40) inside, the collection cavity (40) being arranged upstream of the terminal water outlet mechanism (2) along the flow direction of the fluid, and the inlet end of the collection cavity (40) being in fluid communication with the residue collection area of the cleaning cavity (10), and the inlet end of the flow guide channel (30) being in fluid communication with the outlet end of the collection cavity (40); the residue collecting device (4) further comprising a separation mechanism (42) arranged in the collection cavity (40) and separating the collection cavity (40) into an input chamber (401) for collecting washing water with residues and an output chamber (402) for supplying water to the flow guide channel (30), the output chamber (402) being located downstream of the input chamber (401) along the flow direction of the fluid; the separation mechanism (42) having a first valve plate (421) and a second valve plate (422) arranged in an up-down manner, wherein the first valve plate (421) is arranged in the input chamber (401) and can move up and down relative to the input chamber (401), and a water passage hole (423) is formed in the first valve plate (421) for water to pass through; the second valve plate (422) is arranged in the output chamber (402) and can move up and down relative to the output chamber (402), and one of the first valve plate (421) and the second valve plate (422) can move up and down relative to the other to approach or move away from the other, so that the first valve plate (421) and the second valve plate (422) are in close contact with each other to block the water passage hole (423), or are separated from each other to open the water passage hole (423).

2. The cleaning machine of claim 1, wherein: the cleaning cavity (10) has a downwardly recessed draining section (1a), which is the residue collection area, and the shell (41) of the residue collecting device (4) is located in the draining section (1a).

3. The cleaning machine of claim 2, wherein: a draining plate (11) is arranged at the opening of the draining section (1a), and the draining plate (11) has a mounting hole (12) for embedding the shell (41).

4. The cleaning machine of claim 3, wherein: The pump water mechanism (3) comprises a valve body (31) and a first driver (32), the power input end of the valve body (31) is provided with a piston (33) for pumping water from the water inlet end to the water outlet end of the valve body (31), and the power output end of the first driver (32) is drivingly connected with the piston (33) and intermittently acts on the piston (33).

5. The cleaning machine of claim 4, wherein: The inner wall of the shell (41) has a retaining edge (43) extending into the collecting cavity (40) in the circumferential direction, and the outer edges of the first valve plate (421) and the second valve plate (422) can abut against the upper and lower sides of the retaining edge (43) respectively.

6. The cleaning machine of claim 5, wherein: The outer edge of the second valve plate (422) has a sealing groove (424) at the top, and in the state that the second valve plate (422) abuts against the retaining edge (43), the lower side of the retaining edge (43) is located in the sealing groove (424).

7. The cleaning machine of claim 6, wherein: The inner wall of the output chamber (402) is arranged to be inclined inward from top to bottom, and in the state that the second valve plate (422) moves downward to be separated from the retaining edge (43), a gap (425) is left between the outer edge of the second valve plate (422) and the inner wall of the output chamber (402) to form a water flow passage.

8. The cleaning machine of claim 7, wherein: The separating mechanism (42) is further provided with a first elastic member (426) and a second elastic member (427), which correspondingly act on the first valve plate (421) and the second valve plate (422) respectively, so that the two always have a tendency to abut against the retaining edge (43).

9. The cleaning machine of claim 8, wherein: The separating mechanism (42) further comprises a support rod (44) vertically extending and penetrating through the first valve plate (421) and the second valve plate (422), and the upper and lower ends of the support rod (44) are located in the input chamber (401) and the output chamber (402) respectively, and the first elastic member (426) and the second elastic member (427) are sleeved on the two ends of the support rod (44) respectively, so as to be correspondingly located in the input chamber (401) or the output chamber (402).

10. The cleaning machine of claim 9, wherein: The shell (41) is in a cylindrical shape and vertically extends, and the upper end thereof is provided with an opening, the slag collecting device (4) further comprises an upper cover (45) capable of covering the opening of the shell (41), the upper end of the support rod (44) penetrates through the upper cover (45), and the upper cover (45) is further provided with a fastening member (46) for locking the support rod (44) when located outside the collecting cavity (40), and the two ends of the first elastic member (426) abut against the inner wall of the upper cover (45) and the first valve plate (421) respectively.

11. The cleaning machine of claim 10, wherein: The lower end of the support rod (44) has a laterally extending support side (441), and the support side (441) is located in the output chamber (402), and the two ends of the second elastic member (427) abut against the second valve plate (422) and the support side (441) respectively.

12. The cleaning machine of claim 11, wherein: The upper cover (45) is provided with a slag collecting hole (451) for allowing cleaning water with residues to enter the input chamber (401).

13. The cleaning machine of claim 12, wherein: The slag collecting holes (451) are at least two, and each of the slag collecting holes (451) is arranged around the supporting rod (44) in the circumferential direction of the upper cover (45).

14. The cleaning machine of claim 13, wherein: The valve body (31) is internally hollow to form a valve cavity (3b), and the valve body (31) further has a water inlet channel (3a) and a water outlet channel (3c), which are sequentially arranged in the flow direction of the water flow and are in fluid communication with each other to form the flow guide channel (30), and the water inlet channel (3a) can have a first one-way valve (35) for allowing the water flow to flow from the output chamber (402) to the water inlet channel (3a) only.

15. The cleaning machine of claim 14, wherein: The piston member (33) is movably constrained on the valve body (31), and the water pumping end of the piston member (33) is located in the valve cavity (3b), and the moving direction of the piston member (33) intersects the flow direction of the water flow.

16. The cleaning machine of claim 15, wherein: The piston member (33) vertically extends, the bottom wall of the valve body (31) is provided with a through hole through which the piston member (33) extends, the lower end of the piston member (33) extends below the valve body (31) from the through hole, and the first driver (32) is located below the valve body (31).

17. The cleaning machine of claim 16, wherein: The water pumping mechanism (3) further has a cam (36), and the output end of the first driver (32) is drivingly connected with the cam (36) so that the convex portions on the outer edge of the cam (36) intermittently act on the lower end of the piston member (33).

18. The cleaning machine of claim 17, wherein: The lower end of the piston member (33) is provided with a transmission wheel (331), the rotation axis of the transmission wheel (331) extends in the same direction as the cam (36), and the outer edge of the cam (36) is in contact and abutment with the outer edge of the transmission wheel (331).

19. The cleaning machine of claim 18, wherein: The bottom of the piston member (33) has two downwardly extending connecting seats (332) which are oppositely and spacedly arranged, and the transmission wheel (331) is rotatably constrained between the two connecting seats (332) through a rotating shaft penetrating the two connecting seats (332).

20. The cleaning machine of claim 19, wherein: The valve cavity (3b) is further provided with a third elastic member (333) which acts on the piston member (33) so that the piston member (33) always has a downward moving tendency.

21. The cleaning machine of claim 14, wherein: The water pumping mechanism (3) further has a water outlet seat (34) which has the water outlet channel (3c) inside, and the water outlet seat (34) penetrates the bottom wall of the machine body (1) and extends into the cleaning cavity (10), and the water inlet end of the terminal water outlet mechanism (2) is in fluid communication with the water outlet seat (34).

22. The cleaning machine of claim 21, wherein: The terminal water outlet mechanism (2) at least includes a spray arm (21) which is rotatably constrained on the water outlet seat (34) and has a vertical rotation axis, and the spray arm (21) is provided with a spray opening (22) which is in fluid communication with the flow guide channel (30).

23. The cleaning machine of claim 22, wherein: The water pumping mechanism (3) further comprises a water inlet seat (37) having the water inlet channel (3a) inside, and the valve body (31) is connected to the shell (41) of the slag collecting device (4) through the water inlet seat (37), and the side wall of the shell (41) is provided with a flow guide opening (3d) at a corresponding position for connecting the water inlet channel (3a) and the output chamber (402) of the shell (41).

24. The cleaning machine of claim 23, wherein: The flow guide opening (3d) is provided at the lower end of the inner side wall of the output chamber (402), the flow direction of the fluid in the flow guide opening (3d) is crossed with the flow direction of the fluid at the gap (425), and when the second valve plate (422) moves downward to the limit state, the outer edge of the second valve plate (422) abuts against the inner wall of the output chamber (402) and is located above the upper edge of the flow guide opening (3d).

25. The cleaning machine of claim 24, wherein: The flow guide opening (3d) is provided with a slag blocking grid (38) having at least two grid plates, each of which is arranged in a spaced manner from top to bottom, and a space for water passing through is left between adjacent two grid plates.

26. The cleaning machine of claim 21, wherein: The bottom of the draining area (1a) is provided with a drainage opening (1b), the shell (41) of the slag collecting device (4) is arranged corresponding to the drainage opening (1b), and the cleaning machine further has a drainage pump (13) installed on the machine body (1), and the inlet end of the drainage pump (13) is in fluid communication with the drainage opening (1b).

27. The cleaning machine of claim 26, wherein: The drainage pump (13) has a pump shell (131) and a second driver (132), the pump shell (131) has a drainage channel inside, and the power output end of the second driver (132) has an impeller located in the drainage channel to pump the water in the drainage channel out of the machine body (1).

28. The cleaning machine of claim 27, wherein: The water inlet end of the pump shell (131) has a drainage cavity (130), and in the state that the pump shell (131) is connected at the drainage opening (1b), the output chamber (402) of the shell (41) is in fluid communication with the drainage channel through the drainage cavity (130).

29. The rinser of claim 28, wherein: The water outlet seat (34) is further provided with a second one-way valve (39) for water flowing from the water outlet channel (3c) to the terminal water outlet mechanism (2).

30. The rinser of claim 29, wherein: The second valve plate (422) is further provided with a pressure relief hole (428) for water in the output chamber (402) to flow reversely into the input chamber (401) under positive pressure.

Images