CN109247840B

CN109247840B - Cooking utensil

Info

Publication number: CN109247840B
Application number: CN201710571848.3A
Authority: CN
Inventors: 周忠宝; 潘典国; 刘小力; 何柏锋; 陈炜杰
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2017-07-13
Filing date: 2017-07-13
Publication date: 2023-11-24
Anticipated expiration: 2037-07-13
Also published as: CN109247840A

Abstract

The present invention provides a cooking appliance, comprising: the inner pot is positioned below the cover body and is used for bearing water and materials; the output end of the air inlet pipe is communicated with the inner pot and is used for conveying air flow to the inner pot, so that the materials and water relatively move under the action of the air flow to clean the materials. According to the cooking utensil provided by the invention, materials such as rice and water are placed in the inner pot, high-pressure airflow is conveyed into the inner pot through the air inlet pipe, and the materials and the water can roll, rub and rotate under the action of the airflow, namely, the purpose of automatic cleaning is realized by utilizing pneumatic stirring, so that a stirring device in the prior art and related structures for driving the stirring device to retract and release are eliminated, and the structure of the cooking utensil is greatly simplified.

Description

Cooking utensil

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a cooking utensil.

Background

At present, many intelligent cooking appliances have the function of automatically washing rice, and some rice and water are placed in an inner pot, and the rice is washed by stirring through a stirring device arranged on an upper cover. However, since only the stirring device is used in the cleaning process, the stirring device needs to be collected after the cleaning process is completed, so that the influence on the subsequent cooking process is avoided, and the structure is complex.

Disclosure of Invention

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

In order to achieve the above object, the present invention provides a cooking appliance comprising: a cover body; the inner pot is positioned below the cover body and is used for bearing water and materials; the input end of the air inlet pipe can be connected to an air source, the output end of the air inlet pipe is communicated with the inner pot and used for conveying air flow to the inner pot, so that materials and water can move relatively under the action of the air flow to clean the materials.

According to the cooking utensil provided by the invention, materials such as rice and water are placed in the inner pot, high-pressure airflow is conveyed into the inner pot through the air inlet pipe, and the materials and the water can roll, rub and rotate under the action of the airflow, namely, the purpose of automatic cleaning is realized by utilizing pneumatic stirring, so that a stirring device in the prior art and related structures for driving the stirring device to retract and release are eliminated, and the structure of the cooking utensil is greatly simplified.

In addition, the cooking appliance in the technical scheme provided by the invention can also have the following additional technical characteristics:

in the above technical solution, the cooking appliance further includes: the driving device is connected with the output end of the air inlet pipe and can drive the output end of the air inlet pipe to move to the bottom of the inner pot, so that the air flow can be conveyed to the bottom of the inner pot.

In the above technical solution, the cooking appliance further includes: the spray head component is fixedly connected with the output end of the air inlet pipe and is used for spraying air flow output by the air inlet pipe to the bottom of the inner pot, and the spray head component is fixedly connected with the driving device so as to drive the output end of the air inlet pipe to move up and down in the inner pot.

The cooking utensil also comprises a driving device and a spray head assembly, wherein the driving device can drive the spray head assembly to move up and down in the inner pot, and the output end of the air inlet pipe is fixedly connected with the spray head assembly, so that the spray head assembly can move up and down in the inner pot, and when the spray head assembly moves down, air flow can be conveyed to the bottom of the inner pot, so that air bubbles can rise to further promote rolling of materials and water, and the cleaning effect is improved; the spray head component enlarges the spray range of the air flow, thereby improving the cleaning effect.

It should be explained that in this solution, the driving device is connected to the nozzle assembly, the nozzle assembly is connected to the output end of the air intake pipe, and the driving device is connected to the output end of the air intake pipe through the nozzle assembly, so as to drive the driving device to move up and down; of course, the cooking utensil also does not need to comprise a spray head assembly, and the driving device is directly connected with the output end of the air inlet pipe so as to drive the air inlet pipe to move up and down.

In the above technical solution, the spray head assembly includes: the shell is provided with a first limiting space in a surrounding mode, a first connecting hole is formed in the top of the shell, and an injection hole is further formed in the shell;

wherein, the output of intake pipe fixed connection to first connecting hole department.

The spray head assembly comprises a shell, wherein a first connecting hole is formed in the top of the shell and used for being connected with an air inlet pipe; meanwhile, the shell is also provided with an injection hole, and the injection hole is communicated with the first connecting hole through the first limiting space, so that the air inlet pipe can supply air to the inner pot.

In the above technical solution, the spray head assembly further includes: the piston is arranged in the shell, a connecting column and a through hole communicated with the first connecting hole are arranged on the piston, the connecting column penetrates through the top of the shell and is fixedly connected with the driving device, and the piston can move up and down in the first limiting space so as to open or close the injection hole.

The piston is further arranged in the shell, and the connecting column is arranged on the piston, penetrates through the top of the shell and is fixedly connected with the driving device, so that the spray head assembly can move up and down under the driving of the driving device; the piston is provided with a through hole communicated with the first connecting hole, so that the input of the air inlet pipe and the air flow can circulate in the first limiting space without being blocked by the piston; the piston can move up and down in the first limiting space to open or close the spray hole, so that when the piston closes the spray hole, the situation that foreign matters cannot enter the shell is avoided, and when the piston opens the spray hole, air flow can flow out through the spray hole and supply air to the inner pot.

In the technical scheme, the injection hole is arranged at the upper part of the side wall of the shell, an elastic piece is arranged between the bottom of the piston and the inner bottom wall of the shell, and the elastic piece is in a compression state; the piston opens the injection hole when the elastic piece is compressed downwards, and closes the injection hole when the elastic piece is reset.

The jet holes are arranged at the upper part of the side wall of the shell, so that a plurality of jet holes are conveniently formed along the circumferential direction of the shell, the air outlet rate is improved, and the air outlet uniformity is improved; an elastic piece is further arranged between the bottom of the piston and the inner bottom wall of the shell, the elastic piece is in a compression state, when the piston downwards compresses the elastic piece, the piston moves to the lower portion of the first limiting space, the spray hole is opened, the air inlet pipe can feed air to the inner pot, when the elastic piece is reset, the piston moves upwards in the first limiting space until the piston is propped against the top of the shell, the spray hole is closed at the moment, and the stability of the piston for closing the spray hole is improved by the elastic piece. Preferably, the elastic member is a spring.

Of course, the elastic member is not required, and the reaction force of the inner pot drives the housing to move upwards relative to the piston (i.e. the piston moves downwards relative to the housing) to open the injection hole when the spray head assembly moves to the bottom of the inner pot, and the elastic force of the spring or the gravity of the housing (i.e. the spring is not required to be arranged at this time) is used for driving the piston to move upwards relative to the housing to close the injection hole.

It should be noted that the up-and-down movement of the piston in the first limit space is relative, namely: the piston can be fixed by the shell, or the shell and the piston move simultaneously.

In the above technical solution, the cooking appliance further includes: the input end of the water pumping pipe is fixedly connected with the spray head assembly and communicated with the inner pot so as to move up and down in the inner pot along with the spray head assembly, and the water pumping pipe is used for pumping water in the inner pot.

The cooking utensil also comprises a water pumping pipe, and water in the inner pot can be automatically pumped out after the cleaning is finished, so that the cooking utensil has the functions of automatically pumping water on the basis of having the functions of automatically supplying air and automatically cleaning, and the degree of automation of the cooking utensil is further improved; further, the input end of the water pumping pipe is fixedly connected with the spray head assembly, and then the input end of the water pumping pipe can also move up and down along with the spray head assembly in the inner pot, so that the input end of the water pumping pipe can extend to the bottom of the inner pot, and water in the inner pot can be efficiently and thoroughly pumped out. The power for pumping the water by the water pumping pipe can be a water pump, an air pump, a positive pressure pump and a negative pressure pump.

In the above technical scheme, the bottom of shell is equipped with the second connecting hole, the input of drinking-water pipe runs through the top fixed connection of shell is in second connecting hole department.

The second connecting hole is positioned at the bottom of the shell and can be communicated with the inner pot, so that the water in the inner pot can be pumped out by the water pumping pipe.

In the above technical scheme, the bottom of shell still is equipped with the bottom, the bottom with the shell encloses and establishes out the spacing space of second, offered a plurality of water holes on the bottom, a plurality of water holes are followed the circumference equipartition of bottom.

A second limiting space is formed by surrounding the bottom cover and the outer shell, and a water pumping hole is formed in the bottom cover and is communicated with the second connecting hole through the second limiting space, so that water in the inner pot can enter the water pumping pipe through the water pumping hole, the second limiting space and the second connecting hole in sequence and then is discharged; the number of the water pumping holes is multiple, and the multiple water pumping holes are uniformly distributed along the circumference of the bottom cover, so that water at each part in the inner pot can be uniformly and rapidly pumped out, and the water pumping rate is further improved.

In any one of the above technical solutions, the housing includes an upper cover and a middle cover, the upper cover is provided with the injection hole and the first connection hole, and the middle cover is covered with the bottom of the upper cover and encloses the first limit space; and/or, the air inlet pipe is a flexible pipe which can stretch out and draw back, a first connecting bulge protruding out of the shell is arranged at the first connecting hole, and the output end of the air inlet pipe is fixed on the first connecting bulge.

The shell comprises an upper cover and a middle cover, namely the shell consists of two parts, so that the piston, the elastic piece and other parts can be conveniently installed, and the maintenance and the replacement of the internal structure of the shell are also convenient.

The air inlet pipe is a flexible pipe which can stretch, such as a corrugated pipe, the output end of the air inlet pipe can move up and down in the inner pot by utilizing the elastic stretch of the air inlet pipe, and the input end of the air inlet pipe can be fixed, so that the stability of the connection between the air inlet pipe and an air source is improved; the first connecting hole is provided with the first connecting bulge protruding out of the shell, and the first connecting bulge is of a hollow structure, so that the length of the air inlet pipe is shortened to a certain extent on one hand, and on the other hand, the air inlet pipe is sleeved on the first connecting bulge due to the fact that the air inlet pipe is a hose, and sealing connection between the air inlet pipe and the first connecting bulge can be achieved, and the air inlet pipe is convenient and reliable.

Further, the water pumping pipe is a flexible pipe which can stretch out and draw back, a second connecting protrusion protruding out of the shell is arranged at the second connecting hole, and the input end of the water pumping pipe is fixed on the second connecting protrusion.

The water suction pipe is a flexible pipe which can stretch, such as a corrugated pipe, the input end of the water suction pipe can move up and down in the inner pot by utilizing the elastic stretch of the water suction pipe, and the output end of the water suction pipe can be fixed, so that the stability of structural connection of the water suction pipe and a water suction pump and the like is improved; the second connecting hole department is equipped with the protruding in the bellied second of shell and connects the arch, and the bellied hollow structure that is of second is connected, has shortened the length of drinking-water pipe on the one hand to a certain extent, and on the other hand because the drinking-water pipe is the hose, establishes the water pipe cover on the bellied second of second connection, can realize drinking-water pipe and the bellied sealing connection of second connection, convenient and reliable.

In the above technical solution, the cooking appliance further includes: the output end of the water inlet pipe is communicated with the inner pot and is used for supplying water to the inner pot.

The cooking utensil still includes the inlet tube, can enough carry the washing water to interior pot, can carry the cooking water to interior pot again, like this, cooking utensil has increased the function of automatic water supply again on the basis that has automatic air feed, self-cleaning, automatic drainage function to cooking utensil's degree of automation has further been improved. Of course, the water inlet pipe is not required, and the user can manually add water.

In the above technical solution, the spray head assembly further includes: the output end of the water inlet pipe is communicated with the shell, a third connecting hole is formed in the bottom of the shell, and the nozzle is arranged at the third connecting hole and is communicated with the third connecting hole and used for spraying water to the inner pot; and/or the water inlet pipe is multiplexed with the air inlet pipe to form an air inlet water inlet pipe.

The output end of the water inlet pipe is communicated with the shell, so that water can be sent to the inner pot through the spray hole, and the spray head assembly is preferably positioned at the bottom of the inner pot, so that water can be conveyed to the bottom of the inner pot, the situations of water spray and material splashing can be avoided, the situation of hanging materials such as rice and the like is avoided, and the working noise of the cooking utensil is reduced; and the spray head component also comprises a spray nozzle, the spray nozzle can be communicated with the water inlet pipe through a third connecting hole at the bottom of the shell, and the spray outlet of the spray nozzle is communicated with the inner pot, and the driving device ensures that the spray nozzle component can be positioned at the upper part of the inner pot in the cooking process, so that the spray head component can spray water into the inner pot in the cooking process to realize the function of breaking bubbles and preventing overflow, and thus, the cooking appliance has the function of automatically supplying air, automatically cleaning, automatically draining water and automatically supplying water, and the function of automatically preventing overflow is increased, thereby further improving the degree of automation of the cooking appliance. Further, for the technical scheme that the piston is arranged in the shell, when the piston closes the spray hole, water flow input by the water inlet pipe forms water pressure in the first limiting space, so that the spray nozzle can spray water, and when the piston closes the spray hole, the water flow can flow out through the spray hole to convey cleaning water or cooking water to the inner pot; and because the elastic piece in the shell can improve the stability of the piston for sealing the spray hole, the use reliability of the nozzle during the anti-overflow bubble breaking is further improved. Preferably, the nozzle is an atomising nozzle.

The water inlet pipe and the air inlet pipe are multiplexed to form an air inlet water inlet pipe, namely the water inlet pipe and the air inlet pipe are combined into a whole, so that an air source can be communicated to convey air flow to the inner pot, and a water source can be communicated to convey water to the inner pot, thereby omitting a pipeline and further simplifying the structure of the cooking utensil.

Further, the input end of the air inlet water inlet pipe is communicated with the air supply pipe and the water supply pipe through a three-way joint, and a one-way check valve is arranged in the three-way joint and used for sealing the water supply port when the air supply pipe supplies air and sealing the air supply port when the water supply pipe supplies water. Specifically, the one-way check valve comprises two shielding pieces and an elastic piece, wherein the two shielding pieces are respectively positioned at the water supply port and the air supply port and respectively close the water supply port and the air supply port, the elastic piece is positioned between the two shielding pieces and is in a compressed state, the water supply port is opened by utilizing the pressure of water flow and the air supply port is sealed, and the air supply port is opened by utilizing the pressure of air flow and the water supply port is sealed.

In any of the above technical solutions, the cooking appliance further includes: and the output end of the feeding pipe can be communicated with the inner pot and is used for conveying the materials to the inner pot.

The cooking utensil still includes the conveying pipe, can inwards pot autoloading, like this, cooking utensil has increased the function of autoloading again on having the basis of automatic air feed, self-cleaning, automatic water feed, automatic anti-overflow, automatic pumping function to cooking utensil's degree of automation has further been improved. Of course, rice and other materials can also be manually put into the inner pot by a user.

In the technical scheme, an installation box is arranged on the cover body of the cooking appliance, a feed inlet and a discharge opening are respectively arranged at the upper part and the lower part of the installation box, and the output end of the feed pipe is connected to the feed inlet; the driving device is arranged on the mounting box, the spray head assembly is arranged at the discharge opening, and the discharge opening can be closed or opened when the spray head assembly moves up and down.

The upper part and the lower part of the mounting box are respectively provided with a feed inlet and a discharge outlet, the output end of the feed pipe is connected to the feed inlet, so that materials conveyed by the feed pipe firstly enter the mounting box and then enter the inner pot through the discharge outlet at the bottom of the mounting box under the action of gravity, thus not only shortening the length of the feed pipe, but also reducing the requirement on a feed power source to a certain extent; further, the driving device is arranged on the mounting box, the nozzle assembly is arranged at the discharge opening, the driving device is at least partially positioned in the mounting box, and the air inlet pipe and the water suction pipe are also required to be inserted into the mounting box to be connected with the nozzle assembly, so that a plurality of structures are positioned in the mounting box, the space of the mounting box is reasonably utilized, and other space of the cover body is prevented from being additionally occupied, so that the structure of the cover body part is simplified; and the nozzle assembly can close or open the discharge opening when moving up and down, namely the nozzle assembly also serves as a discharge valve for mounting the box, so that one discharge valve component is reduced, and the structure of the cover body part is further simplified.

Meanwhile, when the spray head assembly moves downwards, the discharge opening is opened, the feeding pipe can feed materials to the inner pot, and meanwhile, the output end of the air inlet pipe is positioned at the bottom of the inner pot, so that water and air can be fed to the inner pot to finish the cleaning process; after the cleaning is finished, the input end of the water suction pipe is also positioned at the bottom of the inner pot, so that the cleaning sewage in the inner pot can be rapidly and thoroughly pumped out; then the inlet pipe of admitting air carries the culinary art water to interior pot again, and the shower nozzle subassembly can upward movement, seals the discharge opening to avoid the steam of culinary art in-process to get into the mounting box, and in time spray water in the culinary art in order to realize anti-overflow function.

In the technical scheme, a sealing element is arranged between the spray head assembly and the discharge opening; and/or the discharge opening is provided with a limiting step surface, the spray head assembly is provided with a limiting protrusion matched with the limiting step surface, and the limiting protrusion is positioned below the limiting step surface.

And a sealing piece is further arranged between the nozzle assembly and the discharge opening, so that the sealing performance of the nozzle assembly when the discharge opening is sealed is further improved. Preferably, the seal is a sealing rubber ring.

The discharge opening is provided with a step surface, a limit bulge is arranged on (a shell of) the spray head assembly, and the limit bulge is positioned below the step surface, so that the spray head assembly is propped against the limit step surface when moving upwards, and the discharge opening is closed; when the spray head component moves downwards, the spray head component is separated from the limiting step surface, so that the discharge opening is opened; meanwhile, the limiting step surface is matched with the limiting protrusion, so that the axial sealing and the radial sealing are realized, and the sealing reliability of the anti-overflow spraying device on the discharge opening is improved.

In the above technical scheme, a first sleeve is fixedly arranged in the installation box, and the first sleeve surrounds the driving device and the air inlet pipe so as to limit the material to strike the driving device and the part of the air inlet pipe, which is positioned in the installation box, during feeding; and/or, still be equipped with the second sleeve in the mounting box, the second sleeve with shower nozzle subassembly fixed connection is in order to follow shower nozzle subassembly up-and-down motion, just the second sleeve surrounds drive arrangement with the intake pipe is in order to restrict during the pay-off the material striking drive arrangement with the intake pipe is located the part in the interior pot.

The first sleeve is fixedly arranged in the mounting box, namely, the first sleeve is fixed in the mounting box and cannot move, the driving device and the air inlet pipe are surrounded by the first sleeve, when the material conveying pipe conveys materials into the mounting box, the materials can only flow in the space between the first sleeve and the inner wall surface of the mounting box, and cannot strike the parts of the driving device and the air inlet pipe, which are located in the mounting box, so that the driving device and the parts of the air inlet pipe, which are located in the mounting box, are well protected.

Still be equipped with the second sleeve in the mounting box, second sleeve and shower nozzle subassembly fixed connection, so can follow shower nozzle subassembly up-and-down motion, and second sleeve also encircles drive arrangement and intake pipe, then when the material was got into interior pot through the discharge opening of mounting box, the material only can flow in the space between the inner wall surface of second sleeve and interior pot, and can not strike drive arrangement and intake pipe and be located the part of interior pot to the part that is located interior pot to drive arrangement and intake pipe has played better guard action.

In the above technical scheme, when being equipped with first sleeve and second sleeve in the installation box simultaneously, the second sleeve is located the telescopic inboard of first, the telescopic lower extreme of first is equipped with first support along, the telescopic upper end of second be equipped with first support along matched with second support along, when shower nozzle subassembly downwardly moving to extreme position, the second supports along supporting on the first support along.

When the first sleeve and the second sleeve are simultaneously arranged in the mounting box, the second sleeve is positioned at the inner side of the first sleeve, so that the size is relatively small, and the second sleeve can conveniently pass through the discharge opening smoothly; further, the lower end of the first sleeve is provided with a first supporting edge, and the upper end of the second sleeve is provided with a second supporting edge, so that when the spray head assembly moves downwards to the limit position, the second supporting edge is supported on the first supporting edge, a certain limiting effect is achieved on the movement amplitude of the spray head assembly, a certain supporting effect is achieved on the spray head assembly, and materials in an inner pot are prevented from being crushed.

In any of the above aspects, the driving device includes: a driving member; and the transmission assembly is connected with the output shaft of the driving piece and the spray head assembly and is used for driving the spray head assembly to move up and down.

In the technical scheme, the transmission assembly comprises a transmission piece and a linkage piece, wherein the transmission piece is connected with an output shaft of the driving piece, and the linkage piece is connected with the transmission piece and the spray head assembly; the transmission piece is rod-shaped and extends along the vertical direction, an external thread is arranged on the outer wall surface of the transmission piece, the linkage piece is cylindrical, an internal thread matched with the external thread is arranged on the inner wall surface of the linkage piece, and the bottom of the linkage piece is fixedly connected with the spray head assembly; when the output shaft rotates, the transmission part drives the linkage part to move up and down along the vertical direction, so that the linkage part drives the spray head assembly to move up and down along the vertical direction.

The driving device comprises a driving piece (such as a motor) and a transmission component, wherein the driving piece provides a power source, and the transmission component converts the power of the driving piece into the power for the up-and-down motion of the spray head component so as to realize the up-and-down motion of the spray head component.

Specifically, the transmission assembly comprises a transmission member and a linkage member. The transmission part is in a rod shape and is fixedly connected with an output shaft of the driving part (such as a motor), and external threads are arranged on the outer wall surface of the transmission part; the inner wall surface of the linkage piece is provided with an internal thread matched with the external thread, and the bottom of the linkage piece is fixedly connected with the spray head component; when the output shaft of the driving piece rotates, the transmission piece synchronously rotates, and the linkage piece is meshed with the transmission piece in a threaded manner, so that the linkage piece moves up and down along the transmission piece, and then the spray head assembly is driven to move up and down along the vertical direction.

More specifically, for the foregoing spray head assembly including a housing, a nozzle, a piston, and an elastic member, the bottom of the linkage is fixedly connected to a connecting post on the piston; further, the cylindrical linkage member is flush with the bottom of the second sleeve and connected into an integral structure, and the nozzle assembly abuts against the bottom of the second sleeve when moving downwards to the limit position.

Of course, the transmission assembly is not limited to the above-mentioned mode of up-and-down movement by the screw engagement, but may be other modes, such as gear-rack engagement, etc., and may also convert the rotation of the driving member into linear movement, which is not shown here.

In any of the above solutions, when the showerhead assembly moves downward to a limit position, a distance between a bottom of the showerhead assembly and an inner bottom wall of the inner pan is in a range of 0mm to 50 mm.

When the spray head assembly moves downwards to the limit position, the distance between the bottom of the spray head assembly and the inner bottom wall of the inner pot can be 0, namely the bottom of the spray head assembly directly contacts the inner bottom wall of the inner pot, and the shell of the spray head assembly can move upwards relative to the piston under the reaction force of the inner pot, so that the piston opens the spray hole to realize the functions of air and water supply; of course, the distance between the bottom of the spray head assembly and the inner pot can be properly enlarged to be within 50mm, and as materials and water are necessarily present at the bottom of the inner pot, the materials and the water can apply a certain acting force to the shell of the spray head assembly, so that the shell and the piston are driven to perform relative movement, and the spray hole is opened.

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 steamer, an electric stewpot 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 schematic top view of a portion of a cooking appliance according to some embodiments of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1 from A-A to a first state;

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

FIG. 4 is a schematic view of the structure of FIG. 2 in a second state;

FIG. 5 is an enlarged schematic view of the portion D of FIG. 4;

FIG. 6 is an enlarged schematic view of the portion E of FIG. 4;

fig. 7 is a schematic sectional view of the structure in the direction B-B in fig. 1.

Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 7 is:

10 cover body, 20 inner pot, 30 air inlet pipe, 40 three-way joint, 41 air pipe, 42 water pipe, 50 spray head component, 51 upper cover, 511 spray hole, 512 first connecting hole, 513 first connecting bulge, 514 limit bulge, 52 middle cover, 521 second connecting hole, 522 second connecting bulge, 523 third connecting hole, 53 nozzle, 54 bottom cover, 541 water pumping hole, 55 piston, 551 connecting column, 552 through hole, 56 spring, 60 driving device, 61 driving piece, 62 driving piece, 63 linkage piece, 70 water pumping pipe, 80 feed pipe, 90 mounting box, 91 feed inlet, 92 discharge opening, 93 first sleeve, 931 first supporting edge, 94 second sleeve, 941 second supporting edge, 95 sealing piece;

The curved arrow in fig. 3 indicates the flow direction of the water flow;

the upward curved arrow in fig. 5 indicates the flow direction of the water flow at the time of pumping;

the curved arrows to the left and right in fig. 5 represent the flow direction of the water flow and air flow when intake air is taken in;

the downward curved arrow in fig. 6 indicates the flow direction of the material.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and 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 application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.

A cooking appliance according to some embodiments of the present application is described below with reference to fig. 1 to 7.

As shown in fig. 1 to 7, the cooking appliance provided by the present application includes: the cover body 10, the inner pot 20 and the air inlet pipe.

Specifically, the inner pot 20 is located below the cover 10 and is used for bearing water and materials; the input of intake pipe can be connected to the air supply, and the output of intake pipe is linked together with interior pot 20 for carry the air current to interior pot 20, make material and water take place relative motion under the effect of air current, in order to wash the material.

According to the cooking utensil provided by the invention, materials such as rice and water are placed in the inner pot 20, and high-pressure airflow is conveyed into the inner pot 20 through the air inlet pipe, so that the materials and the water can roll, rub, rotate and the like under the action of the airflow, namely, the purpose of automatic cleaning is realized by utilizing pneumatic stirring, and therefore, a stirring device in the prior art and related structures for driving the stirring device to retract and release are eliminated, and the structure of the cooking utensil is greatly simplified.

Further, the cooking appliance further comprises a driving device 60, wherein the driving device 60 is connected with the output end of the air inlet pipe, and can drive the output end of the air inlet pipe to move to the bottom of the inner pot, so that air flow can be conveyed to the bottom of the inner pot 20.

Further, the cooking appliance further includes: the nozzle assembly 50 is fixedly connected with the output end of the air inlet pipe and is used for spraying the air flow output by the air inlet pipe to the bottom of the inner pot, and the nozzle assembly 50 is fixedly connected with the driving device so as to drive the output end of the air inlet pipe to move up and down in the inner pot, as shown in fig. 2 to 7.

The cooking utensil further comprises a driving device 60 and a spray head assembly 50, wherein the driving device 60 can drive the spray head assembly 50 to move up and down in the inner pot 20, and as the output end of the air inlet pipe is fixedly connected with the spray head assembly 50, the air inlet pipe can move up and down in the inner pot 20 along with the spray head assembly 50, when the air inlet pipe moves down, air flow can be conveyed to the bottom of the inner pot 20, so that the rising of air bubbles can further promote the rolling of materials and water, and the cleaning effect is improved; the spray head assembly 50 expands the spray range of the air flow, thereby improving the cleaning effect.

The cooking utensil still includes shower nozzle subassembly 50, and shower nozzle subassembly 50 is linked together with intake pipe and interior pot 20, has guaranteed that the intake pipe can supply water to shower nozzle subassembly 50, makes shower nozzle subassembly 50 can spray water to interior pot 20 to realize broken bubble anti-overflow function, like this, cooking utensil has increased the anti-overflow function again on having the basis of automatic function of supplying air, self-cleaning, automatic water supply, thereby has further improved cooking utensil's degree of automation.

It should be explained that, in this embodiment, the driving device is connected to the nozzle assembly 50, the nozzle assembly 50 is connected to the output end of the air inlet pipe, and the driving device is connected to the output end of the air inlet pipe through the nozzle assembly 50, so as to drive the driving device to move up and down; of course, the cooking appliance may not include the nozzle assembly 50, and the driving device is directly connected to the output end of the air inlet pipe, so as to drive the air inlet pipe to move up and down.

Further, the showerhead assembly 50 includes: the shell encloses a first limit space, a first connecting hole 512 is formed in the top of the shell, and an injection hole 511 is further formed in the shell; wherein, the output end of the air inlet pipe is fixedly connected to the first connecting hole 512.

The spray head assembly comprises a shell, wherein a first connecting hole 512 is formed in the top of the shell and is used for connecting an air inlet pipe; meanwhile, the shell is also provided with an injection hole 511, and the injection hole 511 is communicated with the first connecting hole 512 through the first limiting space, so that the air inlet pipe can supply air to the inner pot.

Further, the showerhead assembly 50 further includes: the piston is disposed in the housing, the piston 55 is provided with a connection column 551 and a through hole 552 communicated with the first connection hole 512, the connection column 551 penetrates the top of the housing and is fixedly connected with the driving device 60, as shown in fig. 3 and 5, and the piston 55 can move up and down in the first limiting space to open or close the injection hole 511.

The piston 55 is also arranged in the shell, the connecting column 551 is arranged on the piston 55, the connecting column 551 penetrates through the top of the shell and is fixedly connected with the driving device 60, and the spray head assembly 50 can move up and down under the driving of the driving device 60 is ensured; the piston 55 is provided with the through hole 552 communicated with the first connecting hole 512, so that the air flow input by the air inlet pipe can circulate in the first limiting space without being blocked by the piston 55; the piston 55 can move up and down in the first limiting space to open or close the injection hole 511, so that foreign substances are prevented from entering the housing when the injection hole 511 is closed, and water or air flow can flow out through the injection hole 511 to feed air to the inner pot 20 when the injection hole 511 is opened.

Preferably, the injection hole 511 is provided at an upper portion of a side wall of the housing, and an elastic member is further provided between a bottom of the piston 55 and an inner bottom wall of the housing, and is in a compressed state, as shown in fig. 3 and 5; wherein the injection hole 511 is opened when the piston 55 downwardly compresses the elastic member as shown in fig. 4 and 5, and the injection hole 511 is closed when the elastic member is restored as shown in fig. 2 and 3 by the piston 55.

The injection holes 511 are provided at the upper portion of the sidewall of the housing, so that a plurality of injection holes 511 are conveniently opened along the circumferential direction of the housing to improve the gas outlet rate and the uniformity of the gas outlet; an elastic piece is further arranged between the bottom of the piston 55 and the inner bottom wall of the shell, the elastic piece is in a compressed state, when the piston 55 compresses the elastic piece downwards, the piston 55 moves to the lower part of the first limiting space, the injection hole 511 is opened, the air inlet pipe can feed air to the inner pot 20, when the elastic piece resets, the piston 55 moves upwards in the first limiting space until the piston is propped against the top of the shell, the injection hole 511 is closed at the moment, and the stability of the piston 55 for closing the injection hole 511 is improved by the elastic piece.

Of course, it is also possible to dispense with the elastic member, and to use the reaction force of the inner pot 20 to drive the housing to move upward relative to the piston 55 (i.e., the piston 55 moves downward relative to the housing) to open the injection hole 511 when the shower head assembly 50 moves to the bottom of the inner pot 20, and to use the elastic force of the spring 56 or the gravity of the housing (i.e., the spring 56 is not required) to drive the piston 55 to move upward relative to the housing to close the injection hole 511.

It should be noted that the up-and-down movement of the piston 55 in the first limit space is relative, that is: the piston 55 may be fixed by the housing, or the housing and the piston 55 may move simultaneously.

Further, the cooking appliance further includes: the water pumping pipe 70, the input end of the water pumping pipe 70 is fixedly connected with the showerhead assembly 50 and communicates with the inner pan 20 to follow the up-and-down movement of the showerhead assembly 50 in the inner pan 20 for pumping out water in the inner pan 20, as shown in fig. 2 to 6.

The cooking appliance further comprises a water pumping pipe 70 which can automatically pump water in the inner pot 20 after the cleaning is finished, so that the cooking appliance has the functions of automatically pumping water on the basis of having the functions of automatically feeding air and automatically cleaning, and the degree of automation of the cooking appliance is further improved; further, the input end of the water pumping pipe 70 is fixedly connected with the nozzle assembly 50, so that the input end of the water pumping pipe 70 can also move up and down in the inner pot 20 along with the nozzle assembly 50, so that the input end of the water pumping pipe 70 can extend to the bottom of the inner pot 20, and water in the inner pot 20 can be pumped out efficiently and thoroughly. The pumping force of the pumping pipe 70 may be a water pump, an air pump, a positive pressure pump, or a negative pressure pump.

Specifically, the bottom of the housing is provided with a second connection hole 521, and the input end of the pumping pipe 70 is fixedly connected to the second connection hole 521 through the top of the housing.

The second connection hole 521 is located at the bottom of the housing and can be communicated with the inner pot, so that the water pumping pipe 70 can pump out water in the inner pot.

Preferably, a bottom cover 54 is further disposed below the housing, a second limiting space is defined between the bottom cover 54 and the housing, and a plurality of water pumping holes 541 are formed in the bottom cover 54, as shown in fig. 3 and 5, and the plurality of water pumping holes 541 are uniformly distributed along the circumferential direction of the bottom cover 54.

A bottom cover 54 is arranged below the outer shell, a second limiting space is surrounded by the bottom cover 54 and the outer shell, a water pumping hole 541 is formed in the bottom cover 54, the water pumping hole 541 is communicated with a second connecting hole 521 through the second limiting space, and water in the inner pot 20 can enter the water pumping pipe 70 through the water pumping hole 541, the second limiting space and the second connecting hole 521 in sequence and then is discharged; the number of the pumping holes 541 is plural, and the pumping holes 541 are uniformly distributed along the circumferential direction of the bottom cover 54, so that water at various portions in the inner tub 20 can be uniformly and rapidly pumped out, thereby further improving the pumping rate.

Further, the housing includes an upper cover 51 and a middle cover 52, the upper cover 51 is provided with an injection hole 511 and a first connection hole 512, the middle cover 52 is covered with the bottom of the upper cover 51, and encloses a first limiting space, and the middle cover 52 is provided with a second connection hole 521, as shown in fig. 3 and 5.

The housing comprises an upper cover 51 and a middle cover 52, i.e. the housing is composed of two parts, which facilitates the installation of the piston 55, the elastic member, etc., and also facilitates the maintenance and replacement of the internal structure of the housing.

Preferably, the air inlet pipe is a flexible pipe, a first connecting protrusion 513 protruding out of the housing is provided at the first connecting hole 512, and an output end of the air inlet pipe is fixed to the first connecting protrusion 513, as shown in fig. 3 and 5.

The air inlet pipe is a flexible pipe such as a corrugated pipe, the output end of the air inlet pipe can move up and down in the inner pot 20 by utilizing the elastic expansion of the air inlet pipe, and the input end of the air inlet pipe can be fixed, so that the stability of the air inlet pipe in connection with an air source and a water source is improved; the first connecting hole 512 is provided with the first connecting protrusion 513 protruding out of the outer shell, the first connecting protrusion 513 is of a hollow structure, on one hand, the length of the air inlet pipe is shortened to a certain extent, on the other hand, the air inlet pipe is sleeved on the first connecting protrusion 513 due to the fact that the air inlet pipe is a hose, and therefore sealing connection between the air inlet pipe and the first connecting protrusion 513 can be achieved, and convenience and reliability are achieved.

Preferably, the pumping pipe 70 is a flexible pipe, a second connection protrusion 522 protruding from the housing is provided at the second connection hole 521, and an input end of the pumping pipe 70 is fixed to the second connection protrusion 522, as shown in fig. 3 and 5.

The water pumping pipe 70 is a flexible pipe, such as a corrugated pipe, and the input end of the water pumping pipe can move up and down in the inner pot 20 by utilizing the elastic expansion of the water pumping pipe, and the output end of the water pumping pipe can be fixed, so that the stability of structural connection of the water pumping pipe 70 and a water pump and the like is improved; the second connecting hole 521 is provided with a second connecting protrusion 522 protruding from the casing, and the second connecting protrusion 522 is of a hollow structure, so that on one hand, the length of the water pumping pipe 70 is shortened to a certain extent, and on the other hand, the water pumping pipe 70 is sleeved on the second connecting protrusion 522 because the water pumping pipe 70 is a hose, and the sealing connection between the water pumping pipe 70 and the second connecting protrusion 522 can be realized, so that convenience and reliability are realized.

Further, the cooking appliance further includes: the output end of the water inlet pipe is communicated with the inner pot 20 and is used for supplying water to the inner pot 20.

The cooking utensil still includes the inlet tube, can enough carry the washing water to interior pot 20, can carry the cooking water to interior pot 20 again, like this, cooking utensil has increased the function of automatic water supply again on the basis that has automatic air feed, self-cleaning, automatic drainage function to cooking utensil's degree of automation has further been improved. Of course, the water inlet pipe is not required, and the user can manually add water.

Further, the showerhead assembly further comprises: the nozzle 53, as shown in fig. 3 and 5, the output end of the water inlet pipe is communicated with the housing, the bottom of the housing is provided with a third connection hole 523, and the nozzle 53 is installed at the third connection hole 523 and is communicated with the third connection hole 523 for spraying water to the inner pot 20.

The output end of the water inlet pipe is communicated with the shell, so that water can be sent to the inner pot 20 through the spray hole 511, and the spray head assembly is preferably positioned at the bottom of the inner pot 20 at the moment, so that water can be also conveyed to the bottom of the inner pot 20, the situations of water spray and material splashing can be avoided, the situation of hanging materials such as rice and the like is avoided, and the working noise of the cooking utensil is reduced; and the spray head assembly further comprises a spray nozzle 53, the spray nozzle 53 can be communicated with the water inlet pipe through a third connecting hole 523 at the bottom of the shell, and the spray outlet of the spray nozzle is communicated with the inner pot 20, and the driving device ensures that the spray nozzle can be positioned at the upper part of the inner pot 20 in the cooking process, so that the spray head assembly can spray water into the inner pot 20 in the cooking process to realize the foam breaking and overflow preventing functions, and thus, the cooking utensil has the functions of automatic air supply, automatic cleaning, automatic water drainage and automatic water supply, and the automatic overflow preventing function is added on the basis of the cooking utensil, thereby further improving the automation degree of the cooking utensil.

Further, for the embodiment in which the piston 55 is disposed in the housing, when the piston 55 closes the injection hole 511, the water flow inputted from the water inlet pipe forms the water pressure in the first limit space, so that the nozzle 53 can spray water, and when the piston 55 closes the injection hole 511, the water flow can flow out through the injection hole 511 to deliver the cleaning water or the cooking water to the inner pot 20; and the elastic piece in the shell can improve the stability of the piston 55 for sealing the injection hole 511, so that the use reliability of the nozzle 53 in the process of anti-overflow and bubble breaking is improved. Preferably, the nozzle 53 is an atomizing nozzle 53.

Preferably, the inlet pipe is multiplexed with the inlet pipe to form an inlet pipe 30, as shown in fig. 1 to 6.

The water inlet pipe and the air inlet pipe are multiplexed to form the air inlet water inlet pipe 30, namely the water inlet pipe and the air inlet pipe are combined into a whole, so that an air source can be communicated to convey air flow to the inner pot 20, and a water source can be communicated to convey water to the inner pot 20, thereby omitting a pipeline and further simplifying the structure of the cooking utensil.

Further, the input end of the air inlet water inlet pipe 30 is communicated with the air supply pipe 41 and the water supply pipe 42 through a three-way joint 40, and as shown in fig. 1, a one-way check valve is arranged in the three-way joint 40 and is used for sealing the water supply port when the air supply pipe 41 supplies air and sealing the air supply port when the water supply pipe 42 supplies water.

Specifically, the one-way check valve comprises two shielding pieces and an elastic piece, wherein the two shielding pieces are respectively positioned at the water supply port and the air supply port and respectively close the water supply port and the air supply port, the elastic piece is positioned between the two shielding pieces and is in a compressed state, the water supply port is opened by utilizing the pressure of water flow and the air supply port is sealed, and the air supply port is opened by utilizing the pressure of air flow and the water supply port is sealed.

Further, the cooking appliance further includes: the feed tube 80, the output end of the feed tube 80 can be in communication with the inner pan 20 for delivering material to the inner pan 20 as shown in fig. 1, 2, 4 and 7.

The cooking appliance further includes a feeding pipe 80 capable of automatically feeding the inner pot 20, so that the cooking appliance has the functions of automatic feeding on the basis of automatic air feeding, automatic cleaning, automatic water feeding, automatic overflow prevention and automatic water pumping, thereby further improving the degree of automation of the cooking appliance. Of course, rice and other materials may also be manually placed into the inner pot 20 by the user.

Further, a mounting box 90 is provided on the cover body 10 of the cooking appliance, and a feed port 91 and a discharge port 92 are provided at the upper and lower parts of the mounting box 90, respectively, and an output end of the feed pipe 80 is connected to the feed port 91, as shown in fig. 2, 4 and 7; the driving device 60 is mounted on the mounting box 90, and the head assembly 50 is disposed at the discharge opening 92 and is capable of closing or opening the discharge opening 92 when it moves up and down, as shown in fig. 2, 4 and 7.

The cover body 10 of the cooking utensil is provided with the mounting box 90, the upper part and the lower part of the mounting box 90 are respectively provided with the feed inlet 91 and the discharge outlet 92, the output end of the feed pipe 80 is connected to the feed inlet 91, so that materials conveyed by the feed pipe 80 firstly enter the mounting box 90 and then enter the inner pot 20 through the discharge outlet 92 at the bottom of the mounting box 90 under the action of gravity, thus not only shortening the length of the feed pipe 80, but also reducing the requirement on a feed power source to a certain extent; further, the driving device 60 is mounted on the mounting box 90, and the nozzle assembly 50 is disposed at the discharge opening 92, so that the driving device 60 is at least partially located in the mounting box 90, and the air inlet pipe 30 and the water suction pipe 70 are also required to be inserted into the mounting box 90 to be connected with the nozzle assembly 50, so that a plurality of structures are located in the mounting box 90, the space of the mounting box 90 is reasonably utilized, other space of the cover 10 is avoided, and the structure of part of the cover 10 is simplified; and the nozzle assembly 50 can close or open the discharge opening 92 when moving up and down, i.e., the nozzle assembly 50 also serves as a discharge valve for the mounting box 90, thus reducing one discharge valve part, thus further simplifying the structure of the cover 10.

Meanwhile, when the spray head assembly 50 moves downwards, the discharge opening 92 is opened, the feeding pipe 80 can feed the material to the inner pot 20, and meanwhile, the output end of the air inlet water inlet pipe 30 is positioned at the bottom of the inner pot 20, so that water and air can be fed to the inner pot 20, and the cleaning process is completed; after the cleaning is finished, the input end of the water pumping pipe 70 is also positioned at the bottom of the inner pot 20, so that the cleaning sewage in the inner pot 20 can be rapidly and thoroughly pumped out; the inlet pipe 30 then feeds cooking water to the inner pot 20 again, and the nozzle assembly 50 moves upward to close the discharge opening 92, thereby preventing steam from entering the mounting box 90 during cooking and spraying water in time during cooking to realize an overflow prevention function.

Preferably, a seal 95 is also provided between the spray head assembly 50 and the discharge opening 92, as shown in FIG. 3.

A seal 95 is also provided between the nozzle assembly 50 and the discharge opening 92 to further improve the sealing of the nozzle assembly 50 when the discharge opening 92 is closed. Preferably, the seal 95 is a sealing rubber ring.

Preferably, the discharge opening 92 is provided with a limiting step surface, the spray head assembly 50 is provided with a limiting protrusion 514 matched with the limiting step surface, and the limiting protrusion 514 is located below the limiting step surface, as shown in fig. 3 and 5.

The discharge opening 92 is provided with a step surface, the (shell of the) nozzle assembly 50 is provided with a limit protrusion 514, and the limit protrusion 514 is positioned below the step surface, so that when the nozzle assembly 50 moves upwards, the limit protrusion abuts against the limit step surface to realize the closing of the discharge opening 92; when the spray head assembly 50 moves downwards, the spray head assembly is separated from the limiting step surface, so that the discharge opening 92 is opened; and meanwhile, the limiting step surface is matched with the limiting protrusion 514, so that the axial sealing and the radial sealing are realized, and the sealing reliability of the anti-overflow spraying device on the discharge opening 92 is improved.

Further, a first sleeve 93 is fixedly provided in the mounting box 90, and the first sleeve 93 surrounds the driving device 60 and the air inlet water inlet pipe 30 to limit the material from striking the driving device 60 and the air inlet water inlet pipe 30 at the part in the mounting box 90 during feeding, as shown in fig. 2, 3, 4 and 7.

The first sleeve 93 is fixedly arranged in the mounting box 90, that is, the first sleeve 93 is fixed in the mounting box 90 and cannot move, the first sleeve 93 surrounds the driving device 60 and the air inlet water inlet pipe 30, when the material conveying pipe 80 conveys materials into the mounting box 90, the materials can only flow in the space between the first sleeve 93 and the inner wall surface of the mounting box 90 and cannot strike the driving device 60 and the part of the air inlet water inlet pipe 30 located in the mounting box 90, so that the part of the driving device 60 and the air inlet water inlet pipe 30 located in the mounting box 90 is well protected.

Further, a second sleeve 94 is provided in the mounting box 90, the second sleeve 94 is fixedly connected with the nozzle assembly 50 to follow the upward and downward movement of the nozzle assembly 50, and the second sleeve 94 surrounds the driving device 60 and the air inlet pipe 30 to limit the material from striking the driving device 60 and the air inlet pipe 30 in the inner pot 20 during feeding, as shown in fig. 2, 4, 5, 6 and 7.

The second sleeve 94 is further arranged in the mounting box 90, and the second sleeve 94 is fixedly connected with the spray head assembly 50, so that the spray head assembly 50 can move up and down, and the second sleeve 94 also surrounds the driving device 60 and the air inlet pipe 30, so that when materials enter the inner pot 20 through the discharge opening 92 of the mounting box 90, the materials can only flow in the space between the second sleeve 94 and the inner wall surface of the inner pot 20, but cannot strike the parts of the driving device 60 and the air inlet pipe 30, which are positioned in the inner pot 20, and therefore a better protection effect is achieved on the parts of the driving device 60 and the air inlet pipe 30, which are positioned in the inner pot 20.

Further, the second sleeve 94 is located inside the first sleeve 93, a first supporting edge 931 is provided at a lower end of the first sleeve 93, a second supporting edge 941 is provided at an upper end of the second sleeve 94 to be matched with the first supporting edge 931, and the second supporting edge 941 is supported on the first supporting edge 931 when the showerhead assembly 50 moves downward to a limit position, as shown in fig. 6.

When the first sleeve 93 and the second sleeve 94 are simultaneously disposed in the mounting box 90, the second sleeve 94 is located inside the first sleeve 93, so that the size is relatively small, and the second sleeve can conveniently pass through the discharge opening 92 smoothly; further, the lower end of the first sleeve 93 is provided with a first supporting edge 931, and the upper end of the second sleeve 94 is provided with a second supporting edge 941, so that when the sprinkler assembly 50 moves downwards to a limit position, the second supporting edge 941 is supported on the first supporting edge 931, and therefore, a certain limiting effect is achieved on the movement range of the sprinkler assembly 50, a certain supporting effect is achieved on the sprinkler assembly 50, and materials in the inner pot 20 are prevented from being crushed.

In any of the above embodiments, the driving device 60 includes: the driving member 61 and the transmission assembly are connected with the output shaft of the driving member 61 and the spray head assembly 50, and are used for driving the spray head assembly 50 to move up and down.

Specifically, the transmission assembly includes a transmission member 62 and a linkage member 63, the transmission member 62 is connected to the output shaft of the driving member 61, and the linkage member is connected to the transmission member 62 and the head assembly 50; as shown in fig. 2 to 7, the transmission member 62 is rod-shaped and extends in the vertical direction, an external thread is provided on the outer wall surface of the transmission member 62, the linkage member 63 is tubular, an internal thread adapted to the external thread is provided on the inner wall surface of the linkage member 63, and the bottom of the linkage member 63 is fixedly connected with the nozzle assembly 50; when the output shaft rotates, the driving member 62 drives the linkage member 63 to move up and down along the vertical direction, so that the linkage member 63 drives the spray head assembly 50 to move up and down along the vertical direction.

The driving device 60 includes a driving member 61 (such as a motor) and a transmission assembly, wherein the driving member 61 provides a power source, and the transmission assembly converts the power of the driving member 61 into the power for the up-and-down movement of the showerhead assembly 50, thereby realizing the up-and-down movement of the showerhead assembly 50.

Specifically, the transmission assembly includes a transmission member 62 and a linkage member 63. The transmission member 62 is rod-shaped, is fixedly connected with an output shaft of the driving member 61 (such as a motor), and is provided with external threads on the outer wall surface thereof; the linkage member 63 is cylindrical, an inner wall surface of the linkage member is provided with an inner thread matched with the outer thread, and the bottom of the linkage member is fixedly connected with the nozzle assembly 50; when the output shaft of the driving member 61 rotates, the driving member 62 rotates synchronously, and the interlocking member 63 moves up and down along the driving member 62 due to the threaded engagement of the interlocking member 63 and the driving member 62, thereby driving the spray head assembly 50 to move up and down along the vertical direction.

More specifically, for the foregoing embodiments in which the showerhead assembly 50 includes a housing, a nozzle 53, a piston 55, and an elastic member, the bottom of the linkage 63 is fixedly connected to the connection post 551 on the piston 55; further, the tubular linkage 63 is flush with the bottom of the second sleeve 94, and is connected to the second sleeve 94 as an integral structure, and the nozzle assembly 50 abuts against the bottom of the second sleeve 94 when moving downward to the limit position.

In any of the above embodiments, when the showerhead assembly 50 moves downward to the extreme position, the distance between the bottom of the showerhead assembly 50 and the inner bottom wall of the inner pot 20 is in the range of 0mm to 50 mm.

When the spray head assembly 50 moves downward to the limit position, the distance between the bottom of the spray head assembly 50 and the inner bottom wall of the inner pot 20 may be 0, i.e., the bottom of the spray head assembly 50 directly contacts the inner bottom wall of the inner pot 20, and the outer shell of the spray head assembly 50 may move upward relative to the piston 55 under the reaction force of the inner pot 20, so that the piston 55 opens the spray hole 511 to realize the air and water supplying function; of course, the distance between the bottom of the spray head assembly 50 and the inner pot 20 can be properly enlarged to 50mm, and since the bottom of the inner pot 20 must have material and water, the material and water can apply a certain force to the housing of the spray head assembly 50, so as to drive the housing and the piston 55 to move relatively to open the spray hole 511.

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

The working principle of the cooking appliance provided by the application is described in detail below with reference to a specific embodiment.

The cooking appliance is an automatic electric cooker, and is provided with an inner pot 20, a cover body 10 is arranged above the inner pot 20, the cover body 10 is provided with a rice feeding pipe (namely a feeding pipe 80), and the rice feeding pipe is connected with a Mi Cang part through a pot body part pipeline; the cover body 10 is provided with a mounting box 90, and the side wall of the mounting box 90 is provided with a through hole (namely a feeding hole) which is connected with a rice feeding pipe and is used for feeding rice; a motor is arranged in the mounting box 90 of the cover body 10 and is used for driving the rice washing anti-overflow assembly (namely the spray head assembly 50) to stretch and retract, a screw rod (namely the transmission piece 62) is arranged on the motor rotating shaft of the cover body 10, a connecting sleeve (namely the linkage piece 63) is arranged in the mounting box 90 of the cover body 10, the connecting sleeve is provided with threads, the threads are meshed with the screw rod, and when the motor rotates forwards or reversely, the connecting sleeve is respectively driven to move upwards or downwards; the rice washing anti-overflow component (namely the spray head component 50) is connected to the lower part of the connecting sleeve, the rice washing anti-overflow component can move up and down along with the connecting sleeve, when the rice washing anti-overflow component moves down to the second position, the functions of water inlet and air blowing can be realized, so that the air blowing and rice washing are realized, when the rice washing anti-overflow component moves up to the first position, the rice cooker starts to cook, the rice washing anti-overflow component seals the through hole (namely the discharge opening 92) at the bottom of the mounting box 90 to prevent steam from entering, and at the moment, the piston 55 in the rice washing anti-overflow component moves up to seal the through hole on the side wall of the shell of the rice washing anti-overflow component, so that the spraying anti-overflow function is realized.

The rice washing anti-overflow assembly consists of an upper cover 51, a middle cover 52 and a lower cover (namely a bottom cover 54), wherein the upper cover 51 is provided with a water inlet protrusion (namely a first connecting protrusion 513), and is connected with a one-way check 3 pipe (namely three-way joint vomit provided with a one-way check valve) through a hose (namely an air inlet water inlet pipe 30), one end of the one-way check 3 pipe is connected with a water delivery pipe 42, and the other end is connected with a water delivery pipe 41, so that rice washing can be realized by respectively water inlet and air inlet through one pipe; the side wall of the upper cover 51 is provided with a through hole for water and air blowing during rice washing, and the middle cover 52 is provided with a spray head; when the piston 55 is positioned at the first position, the elasticity of the spring 56 plays a role in pushing the whole assembly to move downwards relative to the piston 55, and the side wall of the piston 55 seals the through hole (namely the spray hole 511) on the side wall of the upper cover 51, so that water inlet pipe water cannot flow out from the side wall of the upper cover 51 to form water pressure when the rice washing overflow prevention assembly is overflowed, and water mist is sprayed from a spray hole at the lower end to prevent the rice washing overflow; when the rice washing overflow preventing assembly is in the second position, the whole assembly is downward against the bottom of the pot, and is acted by the reaction force of the pot body, the whole assembly moves upwards to the second position relative to the piston 55, at the moment, the through hole on the side wall of the upper cover 51 is opened, and the piston 55 is provided with a through hole in the middle part; the rice washing overflow prevention assembly is also provided with a lower cover, the lower cover is provided with a through hole (i.e. a water pumping hole 541) for pumping water, the middle cover 52 is also provided with a protrusion (i.e. a second connecting protrusion 522) for connecting a drain pipe, the drain pipe (i.e. the water pumping pipe 70) is a hose extending upwards to the upper cover 51, and the drain pipe is connected with a water pump for draining water; when the rice washing overflow prevention assembly is positioned at the second position, the water pump works to pump rice washing water in the pot into the drain pipe through the through hole of the lower cover, so that the rice washing water is discharged out of the pot; when the rice washing assembly descends to a rice washing state, the distance between the rice washing assembly and the bottom of the inner pot 20 is 0-50 mm.

The specific working process is as follows:

the motor works, the screw pushes the sleeve to drive the rice washing anti-overflow component to go deep into the pot (the second position), as shown in fig. 4; the fan in the pot body works to blow rice into the inner pot 20 through the rice inlet pipe, as shown in fig. 6; when the electromagnetic valve works, the water inlet pipe is used for water inlet, enters the rice washing anti-overflow assembly at the bottom through the hose and enters the inner pot 20 through the through hole (namely the spray hole 511), as shown in fig. 5; the air pump works, the water inlet pipe is changed into an air inlet pipe, the air inlet pipe enters the bottom rice washing anti-overflow component through the hose, air is blown into the inner pot 20 through the through hole (namely the injection hole 511), as shown in fig. 5, air bubbles are formed in the inner pot 20, the air bubbles are lifted by buoyancy, rice grains are driven to roll in water, and the effect of air rice washing is achieved; after the rice washing is completed, the water suction pump works, and the rice washing water is pumped out through the through hole (namely the water suction hole 541) of the lower cover of the rice washing overflow prevention component at the bottom, as shown in fig. 5; the steps 3 to 5 can be repeated for a plurality of times according to the purity of the rice; after rice washing is completed, the electromagnetic valve works, and the water inlet pipe is used for water inlet for cooking; the motor rotates reversely to drive the rice washing anti-overflow component to rise to the first position, as shown in figure 2; when the temperature control device detects that the rice is about to overflow, the electromagnetic valve works, quantitative water is injected, and water mist is formed to break bubbles and prevent overflow through the spray head, as shown in figure 3.

In summary, according to the cooking utensil provided by the invention, rice and other materials and water are placed in the inner pot, and high-pressure airflow is conveyed into the inner pot through the air inlet pipe, so that the materials and the water can roll, rub, rotate and the like under the action of the airflow, namely, the purpose of automatic cleaning is realized by utilizing pneumatic stirring, and therefore, a stirring device in the prior art and related structures for driving the stirring device to retract and release are eliminated, and the structure of the cooking utensil is greatly simplified.

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 cooking appliance, comprising:

a cover body;

the inner pot is positioned below the cover body and is used for bearing water and materials;

the input end of the air inlet pipe can be connected to an air source, and the output end of the air inlet pipe is communicated with the inner pot and is used for conveying air flow to the inner pot, so that the materials and water relatively move under the action of the air flow to clean the materials;

The driving device is connected with the output end of the air inlet pipe and can drive the output end of the air inlet pipe to move to the bottom of the inner pot, so that the air flow can be conveyed to the bottom of the inner pot;

the spray head component is fixedly connected with the output end of the air inlet pipe and is used for spraying air flow output by the air inlet pipe to the bottom of the inner pot, and the spray head component is fixedly connected with the driving device so as to drive the output end of the air inlet pipe to move up and down in the inner pot;

the spray head assembly includes:

the shell is provided with a first limiting space in a surrounding mode, a first connecting hole is formed in the top of the shell, and an injection hole is further formed in the shell;

wherein the output end of the air inlet pipe is fixedly connected to the first connecting hole;

the input end of the water pumping pipe is fixedly connected with the spray head assembly and communicated with the inner pot so as to move up and down in the inner pot along with the spray head assembly, and the water pumping pipe is used for pumping water in the inner pot;

the bottom of the shell is provided with a second connecting hole, and the input end of the water pumping pipe penetrates through the top of the shell and is fixedly connected to the second connecting hole;

The input end of the water inlet pipe can be connected to a water source, and the output end of the water inlet pipe is communicated with the inner pot and is used for supplying water to the inner pot;

the showerhead assembly further includes:

the output end of the water inlet pipe is communicated with the shell, a third connecting hole is formed in the bottom of the shell, and the nozzle is arranged at the third connecting hole and is communicated with the third connecting hole and used for spraying water to the inner pot; and/or

The water inlet pipe is multiplexed with the air inlet pipe to form an air inlet water inlet pipe.

2. The cooking appliance of claim 1, wherein the showerhead assembly further comprises:

the piston is arranged in the shell, a connecting column and a through hole communicated with the first connecting hole are formed in the piston, the connecting column penetrates through the top of the shell and is fixedly connected with the driving device, and the piston can move up and down in the first limiting space so as to open or close the injection hole.

3. The cooking appliance of claim 2, wherein the cooking appliance further comprises a handle,

the injection hole is arranged at the upper part of the side wall of the shell, an elastic piece is arranged between the bottom of the piston and the inner bottom wall of the shell, and the elastic piece is in a compression state;

The piston opens the injection hole when the elastic piece is compressed downwards, and closes the injection hole when the elastic piece is reset.

4. A cooking appliance according to any one of claim 1 to 3, wherein,

the lower part of shell still is equipped with the bottom, the bottom with the shell encloses and establishes out the spacing space of second, offered a plurality of water holes on the bottom, a plurality of water holes is followed the circumference equipartition of bottom.

5. A cooking appliance according to any one of claim 1 to 3, wherein,

the shell comprises an upper cover and a middle cover, the upper cover is provided with the injection hole and the first connecting hole, the middle cover is covered with the bottom of the upper cover, and the first limiting space is enclosed; and/or

The air inlet pipe is a flexible pipe which can stretch out and draw back, a first connecting protrusion protruding out of the shell is arranged at the first connecting hole, and the output end of the air inlet pipe is fixed on the first connecting protrusion.

6. A cooking appliance according to any one of claims 1 to 3, further comprising:

and the output end of the feeding pipe can be communicated with the inner pot and is used for conveying the materials to the inner pot.

7. The cooking appliance of claim 6, wherein the cooking appliance further comprises a handle,

the cover body is provided with an installation box, the upper part and the lower part of the installation box are respectively provided with a feed inlet and a discharge outlet, and the output end of the feed pipe is connected to the feed inlet;

the driving device is arranged on the mounting box, and the spray head assembly is arranged at the discharge opening and is matched with the shape of the discharge opening so as to close or open the discharge opening.

8. The cooking appliance of claim 7, wherein the cooking appliance further comprises a handle,

a sealing element is arranged between the spray head assembly and the discharge opening; and/or

The discharge opening is provided with a limiting step surface, the spray head assembly is provided with a limiting protrusion matched with the limiting step surface, and the limiting protrusion is located below the limiting step surface.

9. The cooking appliance of claim 7, wherein the cooking appliance further comprises a handle,

a first sleeve is fixedly arranged in the mounting box and surrounds the driving device and the air inlet pipe so as to limit the material to strike the parts of the driving device and the air inlet pipe, which are positioned in the mounting box, during feeding; and/or

Still be equipped with the second sleeve in the mounting box, the second sleeve with shower nozzle subassembly fixed connection is in order to follow shower nozzle subassembly up-and-down motion, just the second sleeve surrounds drive arrangement with the intake pipe is in order to restrict during the pay-off the material striking drive arrangement with the intake pipe is located part in the interior pot.

10. The cooking appliance of claim 9, wherein the cooking appliance further comprises a handle,

when being equipped with first sleeve and second sleeve in the installation box simultaneously, the second sleeve is located the telescopic inboard of first, the telescopic lower extreme of first is equipped with first support along, the telescopic upper end of second be equipped with first support along matched with second support along, when shower nozzle subassembly moves down to extreme position, the second supports along supporting on the first support along.

11. A cooking appliance according to any one of claims 1 to 3, wherein the driving means comprises:

a driving member; and

and the transmission assembly is connected with the output shaft of the driving piece and the spray head assembly and is used for driving the spray head assembly to move up and down.

12. The cooking appliance of claim 11, wherein the cooking appliance further comprises a handle,

the transmission component comprises a transmission piece and a linkage piece, wherein the transmission piece is connected with an output shaft of the driving piece, and the linkage piece is connected with the transmission piece and the spray head component;

the transmission piece is rod-shaped and extends along the vertical direction, an external thread is arranged on the outer wall surface of the transmission piece, the linkage piece is cylindrical, an internal thread matched with the external thread is arranged on the inner wall surface of the linkage piece, and the bottom of the linkage piece is fixedly connected with the spray head assembly;

When the output shaft rotates, the transmission part drives the linkage part to move up and down along the vertical direction, so that the linkage part drives the spray head assembly to move up and down along the vertical direction.

13. A cooking appliance according to any one of claim 1 to 3, wherein,

when the showerhead assembly moves downward to an extreme position, a distance between a bottom of the showerhead assembly and an inner bottom wall of the inner pan is in a range of 0mm to 50 mm.