CN108567347B

CN108567347B - Material cleaning device and cooking utensil

Info

Publication number: CN108567347B
Application number: CN201710134709.4A
Authority: CN
Inventors: 潘典国; 陈炜杰; 何柏锋; 周忠宝; 康远宁; 周亚; 瞿月红
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2017-03-08
Filing date: 2017-03-08
Publication date: 2023-07-18
Anticipated expiration: 2037-03-08
Also published as: CN108567347A

Abstract

The invention provides a material cleaning device and a cooking utensil, wherein the material cleaning device comprises: the cleaning device comprises a cleaning cavity and a spray head, wherein the bottom of the cleaning cavity is provided with a discharge opening, and a detachable discharge valve is arranged at the discharge opening; the shower nozzle sets up in wasing the cavity to can be connected to the water source, and can follow vertical direction reciprocating rectilinear motion or revolve round the central axis of wasing the cavity in wasing the cavity and make revolution motion, be used for spraying water to the circumference inner wall of wasing the cavity. According to the material cleaning device provided by the invention, the cleaning cavity is internally provided with the spray head, so that water can be sprayed to the circumferential inner wall of the cleaning cavity, and the material adhered to the inner wall of the cleaning cavity can be washed away; and because the shower nozzle can be in the washing cavity along vertical direction reciprocal rectilinear motion or revolution, therefore can wash away of all-round no dead angle to the internal wall surface of washing cavity to guaranteed that the material in the washing cavity can all be discharged, effectively solved the problem of material wall built-up, and think about ingenious, reasonable in design easily realizes.

Description

Material cleaning device and cooking utensil

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a material cleaning device and a cooking appliance comprising the same.

Background

At present, an intelligent cooking appliance is like an automatic electric cooker, after finishing washing rice, the rice is generally substituted into an inner pot by utilizing the gravity of water and rice, so that a large number of rice grains can be standing on the inner wall of the rice washer and cannot be removed, and external force is required to be added. Therefore, some products adopt vertical air channels for discharging rice, a plurality of blowing openings are added around the rice washing bin, and rice adhered on the inner wall of the rice washing device is blown down by utilizing wind power, but the structure is complex and difficult to realize, the added blowing openings greatly disperse the original wind power, and in addition, even a plurality of blowing openings are added, the problem of dead angles still exists.

Disclosure of Invention

In order to solve at least one of the above problems, an object of the present invention is to provide a material cleaning device.

Another object of the present invention is to provide a cooking appliance including the above material washing apparatus.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a material cleaning apparatus for a cooking appliance, including: the cleaning device comprises a cleaning cavity, wherein a discharge opening is formed in the bottom of the cleaning cavity, and a detachable discharge valve is arranged at the discharge opening; the spray head is arranged in the cleaning cavity, can be connected to a water source, can reciprocate in the cleaning cavity along the vertical direction in a linear mode or revolve around the central axis of the cleaning cavity, and is used for spraying water to the circumferential inner wall of the cleaning cavity.

According to the material cleaning device provided by the technical scheme of the first aspect of the invention, the bottom of the cleaning cavity is provided with the discharge opening, so that most materials can be discharged through the discharge opening under the action of gravity; the cleaning cavity is also internally provided with a spray head which can be connected to a water source (such as a water tank or a tap water pipe, etc.), so that water can be sprayed to the circumferential inner wall of the cleaning cavity, and materials stuck on the inner wall of the cleaning cavity can be washed away, so that the materials are separated from the inner wall surface of the cleaning cavity and discharged through a discharge opening at the bottom; the spray head can reciprocate in the cleaning cavity along the vertical direction in a linear mode or revolve around the central axis of the cleaning cavity, so that the position of the spray head in the cleaning cavity can be changed, the spray head is enabled to spray water to the circumferential inner wall of the cleaning cavity, the inner wall surface of the cleaning cavity is further flushed in an all-around mode without dead angles, the fact that materials in the cleaning cavity can be completely discharged is guaranteed, the problem of material hanging is effectively solved, and the spray head is ingenious in conception, reasonable in design and easy to realize; and the discharge valve is detachable, so that the maintenance and the replacement are convenient.

The spray head can revolve around the central axis of the cleaning cavity, namely, the spray head and the central axis of the cleaning cavity have a certain distance, and the spray head rotates around the central axis of the cleaning cavity, so that the spray head can spray water to the circumferential inner wall of the cleaning cavity, the distance between the spray head and the inner side wall of the cleaning cavity is shortened, and the scouring effect on materials is improved; the term "revolution" as used herein refers to the "rotation" of the head itself, namely: the shower nozzle itself also can rotate around its central axis to guarantee to wash the circumference inner wall water spray of cavity, certainly, when the circumference of shower nozzle can all spray water, it need not the rotation also can realize the circumference inner wall water spray to wasing the cavity.

In addition, the material cleaning device in the technical scheme provided by the invention can also have the following additional technical characteristics:

in the above technical scheme, the material cleaning device further includes: the input end of the water inlet pipe is connected to a water source, and the output end of the water inlet pipe extends into the cleaning cavity and is connected to the spray head; the output end of the water inlet pipe can reciprocate in a straight line along a vertical direction or revolve around the central axis of the cleaning cavity, so that the spray head is driven to reciprocate in the cleaning cavity along the vertical direction or revolve around the central axis of the cleaning cavity.

The water inlet pipe is connected to a water source, so that automatic water supply of the material cleaning device is realized, and the automation degree of the product is further improved; the output end of the water inlet pipe is connected with the spray head, and the output end of the water inlet pipe can reciprocate in a straight line along the vertical direction or revolve around the central axis of the cleaning cavity, so that the spray head can be driven to reciprocate in a straight line along the vertical direction or revolve around the central axis of the cleaning cavity simultaneously by controlling the movement of the water inlet pipe, and the spray head is quite convenient.

Specifically, for the technical scheme that the output end of the water inlet pipe reciprocates in the vertical direction, the whole water inlet pipe can reciprocate in the vertical direction, and the water inlet pipe can be inserted from the center of the top of the cleaning cavity and also can be inserted from the side part of the cleaning cavity and other parts; for the technical scheme that the output end of the cleaning inlet pipe makes revolution motion around the central axis of the cleaning cavity, the water inlet pipe is only required to be inserted from the top center of the cleaning cavity, then the water inlet pipe is obliquely arranged, and when the water inlet pipe rotates by taking the insertion point as a fulcrum, the output end of the water inlet pipe revolves around the central axis of the cleaning cavity in the cleaning cavity.

In the above technical scheme, the material cleaning device further includes: the first driving assembly comprises a first driving piece and a first transmission assembly connected with the first driving piece, and the first transmission assembly is connected with the water inlet pipe so as to drive the output end of the water inlet pipe to reciprocate in a straight line along the vertical direction or revolve around the central axis of the cleaning cavity.

In the above technical solution, when the spray head reciprocates in the cleaning cavity in a straight line along a vertical direction, the first transmission assembly includes: the first gear is connected with the output shaft of the first driving piece; and the first rack sliding block is meshed with the first gear, fixedly connected with the water inlet pipe and extends along the vertical direction so as to drive the whole water inlet pipe to reciprocate in the vertical direction.

The first driving component is used for driving the water inlet pipe to move, so that the automation degree of the product is further improved; when the first driving component drives the water inlet pipe to reciprocate in the vertical direction, the water inlet pipe drives the spray head to move up and down in the vertical direction, so that water flow sprayed out of the spray head forms a three-dimensional flushing effect, and the spray head is ensured to flush the inner wall surface of the cleaning cavity in an all-dimensional manner without dead angles.

Specifically, the first drive assembly includes first driving piece and first drive assembly, and first drive assembly includes first gear and first rack slider, and first gear links to each other with the output shaft of first driving piece (like the motor), rotates along with the rotation of motor shaft, and first rack slider meshes with first gear to extend along vertical direction, then when first gear rotates, drives first rack slider along vertical direction up-and-down motion, and then realizes the up-and-down motion of inlet tube. Of course, the transmission assembly is not limited to the rack and pinion configuration, but may take other forms, which are not specifically described herein.

Of course, the first driving component can also be other components to drive the output end of the water inlet pipe to make revolution motion in the cleaning cavity.

In any of the above technical solutions, a pipe seal is provided between the water inlet pipe and the cleaning cavity.

A corrugated pipe or a similar pipeline sealing piece is arranged between the water inlet pipe and the cleaning cavity, and the pipeline sealing piece has certain toughness so as to ensure good sealing of the cleaning cavity; but also has certain elasticity, and can locally generate proper elastic deformation so as to ensure that the cleaning pipe can move.

In the above technical scheme, be equipped with the inlet port on the washing cavity, pipeline sealing spare include the support and with the elastic expansion piece that the support links to each other, wherein, the edge of support be equipped with inlet port looks adaptation so that the support joint is in the draw-in groove in the inlet port, the middle part of support still is equipped with and is used for dodging the clearance space of inlet tube, the inlet tube passes the clearance space cup joints in the elastic expansion piece.

In the above technical solution, the elastic expansion piece is a bellows.

The pipeline sealing piece comprises a bracket and an elastic telescopic piece, the bracket is clamped in the water inlet hole, and the edge of the bracket is provided with a clamping groove, so that the groove wall of the clamping groove has an effective sealing effect on the water inlet hole, and the sealing function of the pipeline sealing piece is realized; the middle part of the bracket is also provided with a clearance space, so that the water inlet pipe is prevented from interfering with the bracket when moving; the water inlet pipe passes through the clearance space and is sleeved in the elastic telescopic piece, and the elastic telescopic piece can stretch and deform, so that the water inlet pipe can move.

The elastic expansion piece is a corrugated pipe, and the corrugated pipe has a good expansion deformation function, can be expanded and deformed along the central axis of the corrugated pipe, and ensures that the water inlet pipe can move linearly; but also can bend, stretch and deform, thereby ensuring that the water inlet pipe can rotate or swing.

In any of the above technical solutions, the material cleaning device further includes: the input end of the air inlet pipe is connected with an air source, and the output end of the air inlet pipe stretches into the cleaning cavity and is used for inputting air flow to the lower part of the cleaning cavity so as to drive materials and water in the cleaning cavity to roll.

The material cleaning device also comprises an air inlet pipe, the air inlet pipe is connected with an air source (such as a fan, an air pump and the like) and can supply air to the lower part of the cleaning cavity, so that air bubbles formed by air flow supplied by the air inlet pipe can drive materials and water to roll, the stirring effect is achieved, and the purpose of automatic cleaning is achieved; and the structure of the material cleaning device is simplified, and unnecessary stirring parts are not required to be arranged for cleaning.

In the above technical scheme, the output end of the air inlet pipe is connected with the upper end of the discharge valve, and the output end of the air inlet pipe can reciprocate along the vertical direction so as to drive the discharge valve to reciprocate along the vertical direction, so that the discharge valve can be opened or closed.

The output of intake pipe links to each other with the upper end of discharge valve, and the intake pipe can follow vertical direction reciprocating motion, then can drive the relative washing cavity of discharge valve along vertical direction reciprocating motion simultaneously through the motion of control intake pipe, and then realizes opening or closing of discharge opening, specifically can be the discharge opening that closes when the discharge valve risees, opens the discharge opening when descending, also can be the discharge opening that opens when rising, closes the discharge opening when descending, and is very convenient.

In the technical scheme, the upper part of the discharge valve is arched to form a sealing cover, a through hole is formed in the sealing cover, and the output end of the air inlet pipe is inserted into the sealing cover.

The upper part of the discharge valve arches to form a sealing cover, the output end of the air inlet pipe is inserted into the sealing cover, so that air flow output by the air inlet pipe can be blown out only by passing through the sealing cover and then contacting materials and water, the length of the air inlet pipe is prolonged, the air flow can be blown out from the lower part of the cleaning cavity, and the air flow can effectively drive the materials and water in the cleaning cavity to roll, so that an effective stirring effect is achieved; the size of the through hole is obviously smaller than that of the air inlet pipe, so that compared with the air inlet pipe, the pressure and the speed of the air flow blown out of the through hole are obviously increased, and the stirring efficiency of the air flow can be further improved; meanwhile, the size of the sealing cover is relatively large, so that the position of the through hole can be correspondingly adjusted to change the flow direction of the air flow, and the material and the water are better stirred.

In the above technical scheme, the number of the through holes is a plurality of, and the through holes are distributed along the circumferential direction of the sealing cover.

The quantity of through-holes is a plurality of, and a plurality of through-holes are along the circumference dispersion setting of sealed cowling, then a sealed cowling can blow out the air current of a plurality of directions, and then carries out abundant stirring to the material and the water that washs each position of cavity, on guaranteeing the basis of cleaning effect, has simplified the structure of product, has reduced manufacturing cost.

In any of the above technical solutions, the material cleaning device further includes: the second driving assembly is positioned outside the cleaning cavity, the first driving assembly comprises a driving piece and a transmission assembly connected with the driving piece, and the transmission assembly is fixedly connected with the water inlet pipe so as to drive the whole water inlet pipe to reciprocate vertically and reversely.

In the above technical solution, the second transmission assembly includes: the second gear is connected with the output shaft of the second driving piece; and the second rack sliding block is meshed with the second gear, fixedly connected with the air inlet pipe and extends along the vertical direction so as to drive the air inlet pipe to reciprocate along the vertical direction.

The second driving component is used for driving the air inlet pipe to move, so that the automation degree of the product is further improved; when the second driving component drives the air inlet pipe to move up and down, the air inlet pipe drives the discharge valve to move up and down, and then the discharge opening is opened or closed.

Specifically, the second driving assembly comprises a second driving piece and a second transmission assembly, the second transmission assembly comprises a second gear and a second rack sliding block, the second gear is connected with an output shaft of the second driving piece (such as a motor), the second gear is meshed with the second gear along with rotation of a motor shaft and extends in the vertical direction, and when the second gear rotates, the second rack sliding block is driven to move up and down in the vertical direction, so that up-and-down movement of the air inlet pipe is realized. Of course, the transmission assembly is not limited to the structure of the rack and pinion slider, but can be in other forms, which are not listed here.

In any of the above technical solutions, a pipe sealing member is provided between the air inlet pipe and the cleaning cavity; and/or when the cleaning cavity is connected with a water source through the water inlet pipe, the air inlet pipe is arranged in parallel with the water inlet pipe, and the air inlet pipe is positioned below the water inlet pipe.

A corrugated pipe or a similar pipeline sealing piece is arranged between the air inlet pipe and the cleaning cavity, and the pipeline sealing piece has certain toughness so as to ensure good sealing of the cleaning cavity; but also has certain elasticity, and can locally generate proper elastic deformation so as to ensure that the cleaning pipe can move.

Preferably, the cleaning cavity is provided with an air inlet hole, the pipeline sealing piece comprises a support and an elastic telescopic piece connected with the support, wherein the edge of the support is provided with a clamping groove which is matched with the air inlet hole so that the support is clamped in the air inlet hole, the middle of the support is also provided with a clearance space for avoiding the air inlet pipe, and the air inlet pipe penetrates through the clearance space and is sleeved in the elastic telescopic piece.

In the above technical solution, the elastic expansion piece is a bellows.

The pipeline sealing piece comprises a bracket and an elastic expansion piece, the bracket is clamped in the air inlet hole, and the edge of the bracket is provided with a clamping groove, so that the groove wall of the clamping groove has an effective sealing effect on the air inlet hole, and the sealing function of the pipeline sealing piece is realized; the middle part of the bracket is also provided with a clearance space, so that the air inlet pipe is prevented from interfering with the bracket when moving; the air inlet pipe penetrates through the clearance space and is sleeved in the elastic telescopic piece, and the elastic telescopic piece can stretch and deform, so that the air inlet pipe can move.

The elastic expansion piece is a corrugated pipe, and the corrugated pipe has a good expansion deformation function, can be expanded and deformed along the central axis of the corrugated pipe, and ensures that the air inlet pipe can perform linear motion; but also can bend, stretch and deform, thereby ensuring that the air inlet pipe can rotate or swing.

The air inlet pipe and the water inlet pipe are arranged in parallel, so that the air inlet pipe can be ensured not to interfere with the air inlet pipe when the water inlet pipe moves up and down as long as the distance between the air inlet pipe and the water inlet pipe is enough, the structure is reasonable, and the use is reliable; and because the two positions and the structure are relatively close, a relatively large pipeline sealing piece can be utilized to seal the connection part of the two parts and the cleaning cavity, thereby simplifying the structure of the product and reducing the assembly difficulty of the product; the air inlet pipe is positioned below the water inlet pipe, namely the water inlet pipe is arranged on the water inlet pipe, so that the position of a spray head connected with the water inlet pipe is not too low, and the spray head is ensured to be capable of flushing all materials on the inner wall surface of the cleaning cavity; the air inlet pipe is arranged below the cleaning cavity, so that the air flow conveyed by the cleaning cavity can reach the bottom of the cleaning cavity, and the air flow can play an effective stirring role.

In any of the above technical solutions, the spray head is a rotary spray head, an impact spray head or a centrifugal spray head.

The rotary spray head, namely the spray head can rotate under the impact of water flow or the drive of other components, can realize 360-degree circumferential water spraying through rotation, and the number and the direction of water spraying ports are not particularly limited; the impact type spray head, namely the spray head cannot rotate, but water flow can be sprayed in the circumferential direction when impacting the spray head, so that 360-degree circumferential water spraying of the spray head is realized, and the spray head is required to be provided with a baffle capable of enabling 360-degree circumferential water spraying and a water spraying port capable of enabling 360-degree circumferential water spraying; the centrifugal spray head forms 360-degree circumferential water spray by utilizing centrifugal throwing of water flow.

Of course, the spray head may also be a structure similar to a shower head, so long as the purpose of the present invention can be achieved by spraying water circumferentially, and the technical solutions are not listed here, and as these technical solutions do not deviate from the design ideas and the spirit of the present invention, those skilled in the art should understand that these technical solutions are all within the protection scope of the present invention.

In any of the above solutions, the water inlet pipe is inserted into the cleaning cavity from a top center or a side of the cleaning cavity.

The water inlet pipe can be inserted from the center of the top of the cleaning cavity, so that the water inlet pipe can conveniently reciprocate in a straight line along the vertical direction, and an oversized pipe hole is not required to be formed in the cleaning cavity, so that the connection structure between the water inlet pipe and the cleaning cavity is simpler; of course, the water inlet pipe can be inserted from the side part of the cleaning cavity, so that the height of the cooking utensil is reduced, the volume of the product is further reduced, and the appearance of the product is optimized.

In any of the above technical solutions, the material cleaning device further includes: the sealing piece is arranged between the discharge valve and the discharge opening and is used for sealing a gap between the discharge valve and the discharge opening; and/or, a sealing cover, wherein the upper end of the cleaning cavity is opened, and the sealing cover is covered at the opening end of the cleaning cavity; and/or a drain pipe, wherein the input end of the drain pipe extends into the bottom of the cleaning cavity and is used for discharging water in the cleaning cavity.

And a sealing element is arranged between the discharge valve and the discharge opening, so that the discharge valve can effectively seal the discharge opening. Preferably, the seal is a sealing silicone.

The upper end of the cleaning cavity is opened, so that the assembly, the overhaul and the replacement of the internal structure of the cleaning cavity are facilitated. Of course, the sealing cover may be replaced by an upper cover of the cooking appliance.

The arrangement of the drain pipe is convenient for automatically discharging sewage in the cleaning cavity, so that the automation degree of the product is further improved.

The technical scheme of the second aspect of the invention provides a cooking appliance, which comprises: a cooking body having a cooking chamber; and a material cleaning device according to any one of the first aspect, wherein the discharge opening of the cleaning chamber is communicated with the cooking chamber, for cleaning the material fed into the cleaning chamber, and feeding the cleaned material into the cooking chamber.

The cooking appliance provided by the second aspect of the present invention includes the material cleaning device according to any one of the first aspect, so that the cooking appliance has all the advantages of any one of the above technical aspects, and will not be described herein.

In the above technical solution, the cooking body includes: the cover body is covered with the pot body to enclose the cooking cavity; wherein, the material belt cleaning device sets up on the lid.

The material cleaning device is arranged on the cover body, so that the material in the cleaning cavity smoothly enters the cooking cavity to cook when the discharge opening of the cleaning cavity is opened, and the structure is more compact and reasonable.

Further, the first driving component is arranged on the cover body, and a first rack sliding groove matched with the first rack sliding block is further formed in the cover body, so that the first rack sliding block can accurately conduct linear motion along the vertical direction.

Further, the second driving component is also arranged on the cover body, and a second rack sliding groove matched with the second rack sliding block is further formed in the cover body, so that the second rack sliding block can accurately perform linear motion along the vertical direction.

In any of the above technical solutions, the cooking appliance is an electric cooker.

Of course, the electric cooker is not limited to the electric cooker, and can be an electric pressure cooker, an electric stewpot, an electric steamer and the like.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a partially exploded view of a cooking appliance according to some embodiments of the present invention;

FIG. 2 is an assembled schematic view of the structure shown in FIG. 1;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

FIG. 4 is a schematic cross-sectional view of the structure shown in FIG. 2;

FIG. 5 is a schematic perspective view of a spray head according to a first embodiment of the present invention;

FIG. 6 is an exploded view of the sprinkler head of FIG. 5;

FIG. 7 is a schematic cross-sectional view of the sprinkler head of FIG. 5;

FIG. 8 is a schematic perspective view of a spray head according to a second embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of the sprinkler head of FIG. 8;

FIG. 10 is a schematic view showing an exploded structure of a spray head according to a third embodiment of the present invention;

fig. 11 is a schematic cross-sectional view of the spray head of fig. 10 after assembly.

Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 11 is:

the material cleaning device comprises a material cleaning device body, a cleaning cavity body, a sealing cover 11, a discharge valve 20, a through hole 21, a sealing silica gel 22, a spray nozzle 30, a spray nozzle 31, a spray nozzle bracket 32, a rotor 321, an arc opening 322, an arc baffle 33, a spray nozzle 34, a round hole 341, an inner core 35, a small hole 351, a grooving 352, a water inlet pipe 40, a first driving component 50, a first motor 51, a first gear 52, a first rack sliding block 53, a pipeline sealing element 60, a bracket 61, a clamping groove 611, an elastic telescopic element 62, a first air inlet pipe 70, a second driving component 80, a second motor 81, a second gear 82, a second rack sliding block 83, a drain pipe 90, a cover 2, a first rack sliding groove 210 and a second rack sliding groove 220;

Wherein the arrows in fig. 7 and 9 represent the flow direction of water.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.

A material washing apparatus and a cooking appliance according to some embodiments of the present invention are described below with reference to fig. 1 to 11.

As shown in fig. 1 to 4, a material cleaning device 1 according to an embodiment of a first aspect of the present invention is provided for a cooking appliance, and includes: cleaning chamber 10 and spray head 30.

Specifically, the bottom of the cleaning cavity 10 is provided with a discharge opening, and a detachable discharge valve 20 is arranged at the discharge opening; the shower head 30 is provided in the cleaning chamber 10, and can be connected to a water source, and can reciprocate in a straight line in a vertical direction in the cleaning chamber 10 or revolve around a central axis of the cleaning chamber 10 for spraying water to a circumferential inner wall of the cleaning chamber 10.

The material cleaning device 1 provided by the embodiment of the first aspect of the invention is provided with the discharge opening at the bottom of the cleaning cavity 10, so that most of the material can be discharged through the discharge opening under the action of gravity; the cleaning cavity 10 is also internally provided with a spray head 30, and the spray head 30 can be connected to a water source (such as a water tank or a tap water pipe, etc.), so that water can be sprayed to the circumferential inner wall of the cleaning cavity 10, and materials adhered to the inner wall of the cleaning cavity 10 can be washed away, so that the materials are separated from the inner wall surface of the cleaning cavity 10 and discharged through a discharge opening at the bottom; the spray head 30 can reciprocate in the cleaning cavity 10 in a straight line along the vertical direction or revolve around the central axis of the cleaning cavity 10, so that the position of the spray head 30 in the cleaning cavity 10 can be changed, the spray head 30 can spray water to the circumferential inner wall of the cleaning cavity, and further the inner wall surface of the cleaning cavity 10 is flushed in an omnibearing manner without dead angles, so that the materials in the cleaning cavity 10 can be completely discharged, the problem of material hanging is effectively solved, and the spray head is ingenious in conception, reasonable in design and easy to realize; and the discharge valve 20 is detachable, so that maintenance and replacement are facilitated.

It should be noted that, the nozzle 30 can perform revolution motion around the central axis of the cleaning cavity 10, which means that the nozzle 30 has a certain distance from the central axis of the cleaning cavity 10, and the nozzle 30 rotates around the central axis of the cleaning cavity 10, so that the nozzle 30 can spray water to the circumferential inner wall of the cleaning cavity 10, and the distance between the nozzle 30 and the inner side wall of the cleaning cavity 10 is shortened, thereby improving the scouring effect on materials; the "revolution" herein is relative to the "rotation" of the head 30 itself, that is: the spray head 30 itself can also rotate around its central axis to ensure that water can be sprayed to the circumferential inner wall of the cleaning chamber 10, and of course, when the spray head 30 can spray water in the circumferential direction, it can spray water to the circumferential inner wall of the cleaning chamber 10 without rotating.

In some embodiments of the invention, further, the material cleaning device 1 further comprises: a water inlet pipe 40, the input end of which is connected to a water source, and the output end of which extends into the cleaning chamber 10 and is connected to the spray head 30, as shown in fig. 1 to 4; the output end of the water inlet pipe 40 can reciprocate in a straight line along a vertical direction or revolve around the central axis of the cleaning cavity 10, so as to drive the spray head 30 to reciprocate in a straight line along a vertical direction in the cleaning cavity 10 or revolve around the central axis of the cleaning cavity 10.

In the above embodiment, the water inlet pipe 40 is connected to a water source, so that automatic water supply of the material cleaning device 1 is realized, and the automation degree of the product is further improved; the output end of the water inlet pipe 40 is connected with the spray head 30, and the output end of the water inlet pipe 40 can reciprocate in a straight line along the vertical direction or revolve around the central axis of the cleaning cavity 10, so that the spray head 30 can be driven to reciprocate in the vertical direction in the cleaning cavity 10 or revolve around the central axis of the cleaning cavity 10 by controlling the movement of the water inlet pipe 40.

Specifically, for the technical scheme that the output end of the water inlet pipe 40 reciprocates in the vertical direction, only the whole water inlet pipe 40 can reciprocate in the vertical direction, and the water inlet pipe 40 can be inserted from the center of the top of the cleaning cavity 10 or from the side part of the cleaning cavity 10; for the technical scheme that the output end of the cleaning inlet pipe revolves around the central axis of the cleaning cavity 10, only the water inlet pipe 40 is needed to be inserted from the top center of the cleaning cavity 10, and then the water inlet pipe 40 is obliquely arranged, so that when the water inlet pipe 40 rotates around the insertion point as a fulcrum, the output end of the water inlet pipe 40 revolves around the central axis of the cleaning cavity 10 in the cleaning cavity 10.

Further, the material cleaning apparatus 1 further includes: the first driving assembly 50 includes a first driving member and a first transmission assembly connected to the first driving member, and the first transmission assembly is connected to the water inlet pipe 40 to drive the output end of the water inlet pipe 40 to reciprocate in a straight line along a vertical direction or revolve around the central axis of the cleaning chamber 10.

Specifically, as shown in fig. 1 to 3, when the spray head reciprocates in a straight line in a vertical direction within the cleaning chamber, the first transmission assembly includes: a first gear 52 and a first rack slider 53; the first gear 52 is connected to the output shaft of the first drive member; the first rack slider 53 is meshed with the first gear 52, fixedly connected with the water inlet pipe 40, and extends in the vertical direction to drive the water inlet pipe 40 to reciprocate in the vertical direction.

The first driving component 50 is used for driving the water inlet pipe 40 to move, so that the automation degree of the product is further improved; when the first driving component 50 drives the water inlet pipe 40 to reciprocate in a straight line along the vertical direction, the water inlet pipe 40 drives the spray head 30 to move up and down along the vertical direction, so that water flow sprayed out of the spray head 30 forms a three-dimensional flushing effect, and the spray head 30 can flush the inner wall surface of the cleaning cavity 10 in an all-around dead angle-free manner.

Specifically, the first driving assembly 50 includes a first driving member and a first transmission assembly, the first transmission assembly includes a first gear 52 and a first rack slider 53, the first gear 52 is connected to an output shaft of the first driving member (specifically, the first motor 51), the first rack slider 53 is meshed with the first gear 52 and extends in a vertical direction along with rotation of a motor shaft, and when the first gear 52 rotates, the first rack slider 53 is driven to move up and down in the vertical direction, so as to realize up and down movement of the water inlet pipe 40. Of course, the transmission assembly is not limited to the rack and pinion configuration, but may take other forms, which are not specifically described herein.

The first rack slider 53 is provided with a non-circular mounting hole, as shown in fig. 3, the input end of the water inlet pipe 40 is matched with the shape of the mounting hole, so that the relative rotation between the water inlet pipe 40 and the first rack slider 53 can be avoided, and the stability of the water inlet pipe 40 and the first rack slider 53 is improved.

Of course, the first driving component 50 may be other components to drive the output end of the water inlet pipe 40 to make revolution motion around the central axis of the cleaning cavity 10 in the cleaning cavity 10.

Further, a pipe seal 60 is provided between the water inlet pipe 40 and the wash chamber 10, as shown in fig. 1 and 4.

Specifically, the cleaning cavity 10 is provided with a water inlet hole, the pipeline sealing member comprises a support 61 and an elastic telescopic member 62 connected with the support 61, wherein the edge of the support 61 is provided with a clamping groove 611 which is matched with the water inlet hole so that the support 61 is clamped in the water inlet hole, the middle part of the support 61 is also provided with a clearance space for avoiding the water inlet pipe 40, and the water inlet pipe 40 passes through the clearance space and is sleeved in the elastic telescopic member 62.

Preferably, the elastic telescoping member 62 is a bellows.

A bellows or similar pipe seal 60 is arranged between the inlet pipe 40 and the cleaning chamber 10, the pipe seal 60 having a certain toughness to ensure a good seal against the cleaning chamber 10; but also has certain elasticity, and can locally generate proper elastic deformation so as to ensure that the cleaning pipe can move.

The pipeline sealing piece comprises a bracket 61 and an elastic telescopic piece 62, wherein the bracket 61 is clamped in the water inlet hole, and the edge of the bracket is provided with a clamping groove 611, so that the groove wall of the clamping groove 611 has an effective sealing effect on the water inlet hole, and the sealing function of the pipeline sealing piece is realized; the middle part of the bracket 61 is also provided with a clearance space, so that the water inlet pipe 40 is ensured not to interfere with the bracket 61 when moving; the water inlet pipe 40 passes through the clearance space and is sleeved in the elastic telescopic piece 62, and the elastic telescopic piece 62 can be subjected to telescopic deformation, so that the water inlet pipe 40 can move.

The elastic expansion piece 62 is a corrugated pipe, and the corrugated pipe has a good expansion deformation function, and can not only expand and deform along the central axis of the corrugated pipe, but also ensure that the water inlet pipe 40 can move linearly; but also can bend, stretch and deform, thereby ensuring that the water inlet pipe 40 can rotate or swing.

In some embodiments of the present invention, as shown in fig. 1 to 4, further, the material cleaning apparatus 1 further includes: the input end of the air inlet pipe 70 is connected with an air source, and the output end of the air inlet pipe extends into the cleaning cavity 10 and is used for inputting air flow into the lower part of the cleaning cavity 10 so as to drive materials and water in the cleaning cavity 10 to roll.

Further, the output end of the air inlet pipe 70 is connected to the upper end of the discharge valve 20, as shown in fig. 1 and 4, and the output end of the air inlet pipe 70 can reciprocate in the vertical direction to drive the discharge valve 20 to reciprocate in the vertical direction, so that the discharge valve 20 opens or closes the discharge opening.

Further, the upper portion of the discharge valve 20 is arched to form a sealing cover, and a through hole 21 is formed in the sealing cover, and as shown in fig. 1, the output end of the air inlet pipe 70 is inserted into the sealing cover.

Preferably, the number of the through holes 21 is plural, and the plural through holes 21 are arranged dispersedly in the circumferential direction of the seal cover, as shown in fig. 1.

In the above embodiment, the material cleaning device 1 further includes an air inlet pipe 70, where the air inlet pipe 70 is connected with an air source (such as a fan, an air pump, etc.), and can supply air to the lower portion of the cleaning cavity 10, so that air bubbles formed by air flow supplied by the air inlet pipe 70 can drive the material and water to roll, playing a role of stirring, and achieving the purpose of automatic cleaning; and the structure of the material cleaning device 1 is simplified, and unnecessary stirring components are not required to be arranged for cleaning.

The output end of the air inlet pipe 70 is connected with the upper end of the discharge valve 20, and the air inlet pipe 70 can reciprocate along the vertical direction, so that the discharge valve 20 can be driven to reciprocate along the vertical direction relative to the cleaning cavity 10 by controlling the movement of the air inlet pipe 70, and then the discharge opening is opened or closed, specifically, the discharge opening can be closed when the discharge valve 20 ascends, the discharge opening can be opened when the discharge valve descends, the discharge opening can also be opened when the discharge valve ascends, and the discharge opening is closed when the discharge valve descends, so that the cleaning device is quite convenient.

The upper part of the discharge valve 20 arches to form a sealed cover, the output end of the air inlet pipe 70 is inserted into the sealed cover, so that the air flow output by the air inlet pipe 70 needs to pass through the sealed cover and then pass through the through hole 21 on the sealed cover to be blown out, and then contact materials and water, the length of the air inlet pipe 70 is prolonged, the air flow is ensured to be blown out from the lower part of the cleaning cavity 10, the air flow can effectively drive the materials and water in the cleaning cavity 10 to roll, and an effective stirring effect is further achieved; the size of the through hole 21 is obviously smaller than that of the air inlet pipe 70, so that compared with the air inlet pipe 70, the pressure and the speed of the air flow blown out by the air vent are obviously increased, and the stirring efficiency of the air flow can be further improved; meanwhile, the size of the sealing cover is relatively large, so that the position of the through hole 21 can be correspondingly adjusted to change the flow direction of the air flow, so that the material and the water are better stirred.

The quantity of through-holes 21 is a plurality of, and a plurality of through-holes 21 are along the circumference dispersion setting of sealed cowling, then a sealed cowling can blow out the air current of a plurality of directions, and then carries out abundant stirring to the material and the water of wasing each position of cavity 10, on guaranteeing the cleaning performance's basis, has simplified the structure of product, has reduced manufacturing cost.

Further, the material cleaning apparatus 1 further includes: the second driving assembly 80 is located outside the cleaning cavity 10, and the first driving assembly 50 comprises a driving member and a transmission assembly connected with the driving member, wherein the transmission assembly is fixedly connected with the water inlet pipe 40 so as to drive the water inlet pipe 40 to integrally reciprocate along the vertical reverse direction.

Specifically, the second transmission assembly includes: a second gear 82 and a second rack slider 83; the second gear 82 is connected to the output shaft of the second drive member; the second rack slider 83 is engaged with the second gear 82, fixedly connected to the air inlet pipe 70, and extended in the vertical direction to drive the air inlet pipe 70 to reciprocate in the vertical direction, as shown in fig. 1 to 4.

Further, a duct seal 60 is provided between the air inlet duct 70 and the wash chamber 10, as shown in fig. 1 and 4.

Preferably, the air inlet pipe 70 is arranged in parallel with the water inlet pipe 40, and the air inlet pipe 70 is located below the water inlet pipe 40, as shown in fig. 4.

In the above embodiment, the second driving assembly 80 drives the air inlet pipe 70 to move, so that the automation degree of the product is further improved; when the second driving assembly 80 drives the air inlet pipe 70 to move up and down, the air inlet pipe 70 drives the discharge valve 20 to move up and down, so as to open or close the discharge opening.

Specifically, the second driving assembly 80 includes a second driving member and a second transmission assembly, the second transmission assembly includes a second gear 82 and a second rack slider 83, the second gear 82 is connected to an output shaft of the second driving member (specifically, the second motor 81), the second rack slider 83 is meshed with the second gear 82 and extends in a vertical direction along with rotation of the motor shaft, and when the second gear 82 rotates, the second rack slider 83 is driven to move up and down in the vertical direction, so as to realize up and down movement of the air inlet pipe 70. Of course, the transmission assembly is not limited to the structure of the rack and pinion slider, but can be in other forms, which are not listed here.

The second rack slider 83 is provided with a non-circular mounting hole, as shown in fig. 3, the input end of the air inlet pipe 70 is matched with the shape of the mounting hole, so that the air inlet pipe 70 and the second rack slider 83 can be prevented from rotating relatively, and the stability of the air inlet pipe 70 and the second rack slider 83 in cooperation is improved.

A bellows or similar pipe seal 60 is arranged between the air inlet pipe 70 and the cleaning chamber 10, the pipe seal 60 has a certain toughness to ensure good sealing of the cleaning chamber 10; but also has certain elasticity, and can locally generate proper elastic deformation so as to ensure that the cleaning pipe can move.

Preferably, the cleaning cavity 10 is provided with an air inlet hole, the pipeline sealing piece 60 comprises a bracket and an elastic telescopic piece connected with the bracket, wherein the edge of the bracket is provided with a clamping groove which is matched with the air inlet hole so as to enable the bracket to be clamped in the air inlet hole, the middle part of the bracket is also provided with a clearance space for avoiding an air inlet pipe, and the air inlet pipe penetrates through the clearance space and is sleeved in the elastic telescopic piece.

Preferably, the elastic expansion member is a bellows.

The pipeline sealing piece 60 comprises a bracket and an elastic telescopic piece, the bracket is clamped in the air inlet hole, and the edge of the bracket is provided with a clamping groove, so that the groove wall of the clamping groove has an effective sealing effect on the air inlet hole, and the sealing function of the pipeline sealing piece 60 is realized; the middle part of the bracket is also provided with a clearance space, so that the air inlet pipe is prevented from interfering with the bracket when moving; the air inlet pipe penetrates through the clearance space and is sleeved in the elastic telescopic piece, and the elastic telescopic piece can stretch and deform, so that the air inlet pipe can move.

The air inlet pipe 70 and the water inlet pipe 40 are arranged in parallel, so that the air inlet pipe 40 can be ensured not to interfere with the air inlet pipe 70 when the water inlet pipe 70 moves up and down as long as the distance between the air inlet pipe 70 and the water inlet pipe 40 is enough, the structure is reasonable, and the use is reliable; and because the two positions and the structure are relatively close, the connecting part of the two and the cleaning cavity 10 can be sealed by using a relatively large pipeline sealing piece 60, so that the product structure is simplified, and the assembly difficulty of the product is reduced; the air inlet pipe 70 is positioned below the water inlet pipe 40, namely the water inlet pipe 40 is arranged on the upper side, so that the position of the spray head 30 connected with the air inlet pipe is not too low, and the spray head 30 is ensured to be capable of flushing all materials on the inner wall surface of the cleaning cavity 10; the air inlet pipe 70 is arranged below, so that the air flow conveyed by the air inlet pipe can reach the bottom of the cleaning cavity 10, and the air flow plays an effective stirring role.

Preferably, the water inlet and the air inlet are communicated with each other to form a large gap, and as shown in fig. 1, the pipeline sealing member for sealing the water inlet and the air inlet is also integrated.

In any of the above embodiments, as shown in fig. 5 to 11, the spray head 30 is a rotary spray head 30, an impact spray head 30, or a centrifugal spray head 30.

The rotary spray head 30, namely the spray head 30 can rotate under the impact of water flow or driven by other components, the circumferential 360-degree water spray can be realized through rotation, and the number and the direction of water spray ports are not particularly limited; the impact type spray head 30, that is, the spray head 30 itself does not rotate, but the water flow can be sputtered in the circumferential direction when impacting the spray head 30, thereby realizing 360-degree circumferential water spraying of the spray head 30, so that the spray head 30 is required to have a baffle plate capable of enabling 360-degree circumferential water spraying and a water spraying port capable of opening in the 360-degree circumferential direction; the centrifugal spray head 30 forms 360-degree circumferential water spray by centrifugal throwing of water flow.

In one embodiment of the present invention, as shown in fig. 5 to 7, the spray head 30 is a rotary spray head 30, which is composed of a spray head support 31 and a rotor 32, wherein the rotor 32 is hollow, has a rib 321 with an inclined surface inside, has an arc-shaped opening 322 on the side surface, and the rotor 32 is mounted on the spray head support 31, but can rotate around a central axis; the nozzle holder 31 has a through hole 21, one end of the through hole 21 is connected with a water source, and the other end is connected with the rotor 32.

The principle is as follows: the water enters the rotor 32 through the spray head support 31, impacts the rib 321 with the inclined surface in the rotor 32, the rotor 32 rotates by the transverse component force, and simultaneously the water is sprayed outwards from holes on two sides of the rotor 32, so that the water is sprayed outwards while rotating from the rotor 32, uniformly falls down in 360 degrees, covers the cleaning cavity 10 in a rain shape, and performs all-dimensional dead-angle-free flushing on the cleaning cavity 10.

In a second embodiment of the present invention, as shown in fig. 8 and 9, the spray head 30 is an impact spray head 30, which is composed of a spray head holder 31 and an arc baffle 33, and the arc baffle 33 is a 360 ° rotating body.

The principle is as follows: the water enters through the spray head bracket 31 and impacts the arc-shaped baffle 33 of the spray head 30, the water is ejected obliquely upwards, uniformly falls down at 360 degrees, covers the cleaning cavity 10 in a rain shape, and performs all-round dead-angle-free flushing on the cleaning cavity 10.

In a third embodiment of the present invention, as shown in fig. 10 and 11, the spray head 30 is a centrifugal spray head 30, which is mainly composed of a spray head 34 and an inner core 35, wherein the spray head 34 and the inner core 35 are hollow, and the inner core 35 can be embedded or screwed on the spray head 34 through threads, or can be fastened by other fastening methods; the sprinkler head 34 and the inner core 35 are both round shaft-shaped, the end part of the sprinkler head 34 is provided with a round hole 341, the inner core 35 is provided with more than two small holes 351, and the end part is provided with a cutting groove 352.

The principle is as follows: after the water source is connected, water enters through the inner core 35, is ejected through the side holes of the inner core 35, impacts and turns to the inner wall of the water spray head 34, and is ejected from the round hole 341 at the end part of the water spray head 34 to form a cone shape after turning again through the end part cutting groove 352, so that the water can uniformly impact at 360 degrees, is rain-packed to cover the inner pot, effectively breaks bubbles and cools the whole liquid level of the inner pot, is high in efficiency, and meanwhile, has small water demand, and is easy to control the rice-water ratio.

For common tap water, the water pressure is 3.5-7 kgf, the pore diameter of the round hole 341 at the end part of the water spray head 34 is 0.5-1.5 mm, and the good atomization effect can be achieved, so that natural particles with the diameter of about 0.01-0.15 mm are formed.

Of course, the shower head 30 may be configured like a shower head, so long as the purpose of the present invention can be achieved by spraying water circumferentially, and it is not necessary to list the purpose of the present invention, and since these embodiments do not deviate from the design concept and the spirit of the present invention, those skilled in the art will understand that these embodiments are all within the scope of the present invention.

In any of the above embodiments, the water inlet pipe 40 is inserted into the washing chamber 10 from the top center or side of the washing chamber 10.

The water inlet pipe 40 can be inserted from the center of the top of the cleaning cavity 10, so that the water inlet pipe is convenient for the water inlet pipe to reciprocate in a straight line along the vertical direction, and the cleaning cavity 10 is not required to be provided with an oversized pipe hole, so that the connection structure between the water inlet pipe and the cleaning cavity 10 is simpler; of course, the water inlet pipe 40 can also be inserted from the side of the cleaning cavity 10, as shown in fig. 4, which is beneficial to reducing the height of the cooking appliance, further reducing the volume of the product and optimizing the appearance of the product.

In any of the above embodiments, the material cleaning apparatus 1 further includes: and a sealing member provided between the discharge valve 20 and the discharge port for sealing a gap between the discharge valve 20 and the discharge port, as shown in fig. 4.

In any of the above embodiments, the material cleaning apparatus 1 further includes: the upper end of the cleaning chamber 10 is opened by a sealing cover 11, and the sealing cover 11 is arranged at the opening end of the cleaning chamber 10 as shown in fig. 1 and 4.

In any of the above embodiments, the material cleaning apparatus 1 further includes: a drain pipe 90, an input end of the drain pipe 90 extends into the bottom of the washing chamber 10 for draining water in the washing chamber 10, as shown in fig. 1.

The provision of a seal between the discharge valve 20 and the discharge opening ensures an effective seal of the discharge valve 20 to the discharge opening. Preferably, the seal is a sealing silicone 22.

The upper end of the cleaning cavity 10 is open, so that the assembly, the maintenance and the replacement of the internal structure of the cleaning cavity 10 are facilitated. Of course, the sealing cover 11 may be replaced by an upper cover of the cooking appliance.

The arrangement of the drain pipe 90 facilitates automatic discharge of the sewage in the cleaning chamber 10, thereby further improving the degree of automation of the product.

As shown in fig. 1 to 4, a cooking appliance according to an embodiment of a second aspect of the present invention includes: a cooking body and a material cleaning device 1 as in any one of the embodiments of the first aspect. Wherein the cooking cavity is provided with a cooking cavity; the discharge opening of the cleaning chamber 10 of the material cleaning device 1 is communicated with the cooking chamber for cleaning the material fed into the cleaning chamber 10 and feeding the cleaned material into the cooking chamber.

The cooking appliance according to the second embodiment of the present invention, which includes the material cleaning device 1 according to any one of the first embodiment, has all the advantages of any one of the foregoing embodiments, and will not be described herein.

In the above embodiment, the cooking body includes: the cooker comprises a cooker body and a cover body 2, wherein the cover body 2 is covered with the cooker body to enclose a cooking cavity; wherein the material cleaning device 1 is arranged on the cover body 2 as shown in fig. 1, 2 and 4.

The material cleaning device 1 is arranged on the cover body 2, so that the material cleaning device is convenient to clean and communicate with the cooking cavity when the discharge opening of the cavity 10 is opened, and materials in the cavity 10 can smoothly enter the cooking cavity to be cooked, and the structure is more compact and reasonable.

Further, the first driving assembly 50 is disposed on the cover 2, and the cover 2 is further provided with a first rack sliding groove 210 adapted to the first rack slider 53, as shown in fig. 1 and 3, so as to ensure that the first rack slider 53 accurately moves linearly in the vertical direction.

Further, the second driving assembly 80 is also disposed on the cover 2, and the cover 2 is further provided with a second rack sliding groove 220 adapted to the second rack sliding block 83, as shown in fig. 1 and 3, so as to ensure that the second rack sliding block 83 accurately moves linearly along the vertical direction.

In any of the above embodiments, the cooking appliance is an electric cooker.

The following describes the specific structure and operation of the material cleaning device 1 and the cooking appliance according to the present application in detail with reference to an embodiment.

The cooking utensil is a full-automatic electric cooker, and the first motor 51, the second motor 81 and the rice washing box (i.e. the washing cavity 10) are fixed on the upper cover; the first rack slider 53 and the second rack slider 83 are respectively slidable up and down in the first rack sliding groove 210 and the second rack sliding groove 220 of the upper cover; one end of the water inlet pipe 40 is connected with the rotary spray head 30, and the other end is fixed on the first rack sliding block 53 and can move up and down along with the first rack sliding block 53; one end of the air inlet pipe 70 is fixed with a movable sealing member, and the other end is fixed on the second rack sliding block 83, so that the air inlet pipe 70 and the movable sealing member can move up and down along with the second rack sliding block 83.

The working principle of the scheme is as follows:

after the rice washing is completed, the rice washing water flows out from the water drain pipe 90, and the rice remains in the rice washing box; the movable sealing member (namely the discharge valve 20) moves downwards under the action of the second motor 81, the rice washing box is opened, part of rice directly falls into the inner pot, and part of rice remains in the rice washing box; after the rice washing box is opened, the water inlet pipe 40 starts to feed water, the rotary spray head 30 rotates outwards under the action of water pressure, and meanwhile, the rotary spray head 30 moves downwards under the action of the first motor 51, so that the water flow forms a three-dimensional scouring effect; the rice is flushed into the inner pot under the action of water pressure, and the rice discharging action is completed once; under the action of the first motor 51 and the second motor 81, the movable sealing member and the rotary sprayer 30 move upwards to reset, so as to prepare for the next round of rice washing and rice discharging.

In summary, according to the material cleaning device provided by the invention, the bottom of the cleaning cavity is provided with the discharge opening, so that most of materials can be discharged through the discharge opening under the action of gravity; the cleaning cavity is also internally provided with a spray head which can be connected to a water source (such as a water tank or a tap water pipe, etc.), so that water can be sprayed to the circumferential inner wall of the cleaning cavity, and materials stuck on the inner wall of the cleaning cavity can be washed away, so that the materials are separated from the inner wall surface of the cleaning cavity and discharged through a discharge opening at the bottom; and because the shower nozzle can be in the washing cavity along vertical direction reciprocal rectilinear motion or revolve around the central axis of washing cavity, therefore can change the position of shower nozzle in the washing cavity, guaranteed that the shower nozzle can spray water to the circumference inner wall of washing cavity, and then to the washing of the inner wall face of washing cavity all-round no dead angle to guaranteed that the material in the washing cavity can all be discharged, effectively solved the problem of material wall built-up, and think about ingenious, reasonable in design easily realizes.

In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A material cleaning device for a cooking appliance, comprising:

the cleaning device comprises a cleaning cavity, wherein a discharge opening is formed in the bottom of the cleaning cavity, and a detachable discharge valve is arranged at the discharge opening;

the spray head is arranged in the cleaning cavity, can be connected to a water source, can reciprocate in a straight line in the vertical direction in the cleaning cavity or revolve around the central axis of the cleaning cavity, and is used for spraying water to the circumferential inner wall of the cleaning cavity;

the input end of the water inlet pipe is connected to a water source, and the output end of the water inlet pipe extends into the cleaning cavity and is connected to the spray head;

the output end of the water inlet pipe can reciprocate in a straight line along a vertical direction or revolve around the central axis of the cleaning cavity so as to drive the spray head to reciprocate in the cleaning cavity along the vertical direction or revolve around the central axis of the cleaning cavity;

a pipeline sealing piece is arranged between the water inlet pipe and the cleaning cavity;

the cleaning cavity is provided with a water inlet hole, the pipeline sealing piece comprises a support and an elastic telescopic piece connected with the support, wherein the edge of the support is provided with a clamping groove which is matched with the water inlet hole so that the support is clamped in the water inlet hole, the middle of the support is also provided with a clearance space for avoiding the water inlet pipe, and the water inlet pipe penetrates through the clearance space and is sleeved in the elastic telescopic piece.

2. The material cleaning apparatus of claim 1, further comprising:

the first driving assembly comprises a first driving piece and a first transmission assembly connected with the first driving piece, and the first transmission assembly is connected with the water inlet pipe so as to drive the output end of the water inlet pipe to reciprocate in a straight line along the vertical direction or revolve around the central axis of the cleaning cavity.

3. The material cleaning apparatus according to claim 2, wherein,

when the spray head reciprocates in the cleaning cavity along the vertical direction in a straight line, the first transmission assembly comprises:

the first gear is connected with the output shaft of the first driving piece; and

and the first rack sliding block is meshed with the first gear, fixedly connected with the water inlet pipe and extends along the vertical direction so as to drive the whole water inlet pipe to reciprocate in the vertical direction.

4. The material cleaning apparatus according to claim 1, wherein,

the elastic expansion piece is a corrugated pipe.

5. A material cleaning apparatus according to any one of claims 1 to 3, further comprising:

the input end of the air inlet pipe is connected with an air source, and the output end of the air inlet pipe stretches into the cleaning cavity and is used for inputting air flow to the lower part of the cleaning cavity so as to drive materials and water in the cleaning cavity to roll.

6. The material cleaning apparatus according to claim 5, wherein,

the output end of the air inlet pipe is connected with the upper end of the discharge valve, and the output end of the air inlet pipe can reciprocate along the vertical direction so as to drive the discharge valve to reciprocate along the vertical direction, so that the discharge valve can open or close the discharge opening.

7. The material cleaning apparatus according to claim 6, wherein,

the upper part of the discharge valve arches to form a sealing cover, a through hole is formed in the sealing cover, and the output end of the air inlet pipe is inserted into the sealing cover.

8. The material cleaning apparatus according to claim 7, wherein,

the number of the through holes is multiple, and the through holes are distributed along the circumferential direction of the sealing cover.

9. The material cleaning apparatus of claim 6, further comprising:

the second driving assembly comprises a second driving piece and a second transmission assembly connected with the second driving piece, and the second transmission assembly is fixedly connected with the air inlet pipe so as to drive the whole air inlet pipe to reciprocate along the vertical direction.

10. The material cleaning apparatus of claim 9, wherein the second transmission assembly comprises:

The second gear is connected with the output shaft of the second driving piece; and

and the second rack sliding block is meshed with the second gear, fixedly connected with the air inlet pipe and extends along the vertical direction so as to drive the air inlet pipe to reciprocate along the vertical direction.

11. The material cleaning apparatus according to claim 5, wherein,

a pipeline sealing piece is arranged between the air inlet pipe and the cleaning cavity; and/or

When the cleaning cavity is connected with a water source through the water inlet pipe, the air inlet pipe is arranged in parallel with the water inlet pipe, and the air inlet pipe is positioned below the water inlet pipe.

12. A material cleaning apparatus as claimed in any one of claims 1 to 3, wherein,

the spray head is a rotary spray head, an impact spray head or a centrifugal spray head.

13. A material cleaning apparatus as claimed in any one of claims 1 to 3, wherein,

the water inlet pipe is inserted into the cleaning cavity from the top center or the side part of the cleaning cavity.

14. A cooking appliance, comprising:

a cooking body having a cooking chamber; and

a material cleaning apparatus as claimed in any one of claims 1 to 13, wherein the discharge opening of the cleaning chamber communicates with the cooking chamber for cleaning material fed into the cleaning chamber and feeding cleaned material into the cooking chamber.

15. The cooking appliance of claim 14, wherein the cooking body comprises:

the cover body is covered with the pot body to enclose the cooking cavity;

wherein, the material belt cleaning device sets up on the lid.

16. The cooking appliance of claim 14 or 15, wherein the cooking appliance comprises a cooking chamber,

the cooking utensil is an electric cooker.