CN107960913B - Material cleaning device and cooking utensil - Google Patents
Material cleaning device and cooking utensil Download PDFInfo
- Publication number
- CN107960913B CN107960913B CN201610916233.5A CN201610916233A CN107960913B CN 107960913 B CN107960913 B CN 107960913B CN 201610916233 A CN201610916233 A CN 201610916233A CN 107960913 B CN107960913 B CN 107960913B
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- axial flow
- flow fan
- fan blade
- cavity
- air
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- 238000004140 cleaning Methods 0.000 title claims abstract description 126
- 239000000463 material Substances 0.000 title claims abstract description 125
- 238000010411 cooking Methods 0.000 title claims abstract description 42
- 238000003756 stirring Methods 0.000 claims abstract description 82
- 238000007599 discharging Methods 0.000 claims description 21
- 230000000694 effects Effects 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000007789 sealing Methods 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 239000010865 sewage Substances 0.000 description 6
- 241001075561 Fioria Species 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 240000007594 Oryza sativa Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 244000068988 Glycine max Species 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 240000004922 Vigna radiata Species 0.000 description 2
- 235000010721 Vigna radiata var radiata Nutrition 0.000 description 2
- 235000011469 Vigna radiata var sublobata Nutrition 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J44/00—Multi-purpose machines for preparing food with several driving units
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
Abstract
The application provides a material cleaning device and a cooking utensil, comprising a cleaning cavity, an axial flow fan blade and a stirring piece, wherein the cleaning cavity is provided with an air inlet and an air outlet; the axial flow fan blade is arranged in the cleaning cavity, the central line of the axial flow fan blade longitudinally extends, the axial flow fan blade is driven by the air flow entering from the air inlet to rotate by taking the central line of the axial flow fan blade as the center, and when the axial flow fan blade rotates, the air flow driven by the axial flow fan blade flows from top to bottom; the stirring piece is positioned below the axial flow fan blades and connected with the axial flow fan blades, and the stirring piece is driven by the axial flow fan blades to stir the materials in the cleaning cavity; the material belt cleaning device that this scheme provided can avoid vibration and noise problem that motor drive exists, and thereby need not to set up the bearing seal structure in this scheme and can avoid the bearing seal position problem of leaking, in addition, this scheme utilizes axial fan blade driven air current from the top down to flow, can utilize the air current to strengthen like this and lie in the stirring of the material of wasing the cavity bottom.
Description
Technical Field
The application relates to the field of kitchen appliances, in particular to a material cleaning device and a cooking appliance.
Background
The existing cleaning device such as rice washer needs to stir the material in the process of executing the cleaning work, in the prior art, all adopts the structure of stirring rotation driven by a motor as a stirring power device, but such structure has the problem of difficulty in shaft sealing, water leakage phenomenon is easy to occur in the product operation process, vibration noise is large when the motor is operated, and the comfort requirement of daily use of small household appliances is difficult to meet.
Disclosure of Invention
In order to solve at least one of the above problems, an object of the present application is to provide a material cleaning device.
Another object of the present application is to provide a cooking appliance having the above material washing apparatus.
To achieve the above object, an embodiment of a first aspect of the present application provides a material cleaning apparatus, including: the cleaning cavity is provided with an air inlet and an air outlet; the axial flow fan blade is arranged in the cleaning cavity, the central line of the axial flow fan blade longitudinally extends, the axial flow fan blade is driven by the air flow entering from the air inlet to rotate by taking the central line of the axial flow fan blade as the center, and when the axial flow fan blade rotates, the air flow driven by the axial flow fan blade flows from top to bottom; the stirring piece is positioned below the axial flow fan blades and connected with the axial flow fan blades, and the stirring piece is driven by the axial flow fan blades to stir materials in the cleaning cavity.
According to the material cleaning device provided by the application, the center line of the axial flow fan blade is longitudinally arranged, the axial flow fan blade is utilized to conduct axial wind guiding, so that the air flow driven by the axial flow fan blade flows downwards from top to bottom, the stirring of the material positioned at the bottom of the cleaning cavity is enhanced by utilizing the air flow, the cleaning effect is further improved, in addition, the axial flow fan blade is driven by wind power to rotate so as to stir the material driving the stirring piece, compared with the structure driven by a motor in the prior art, the driving mode in the scheme is small in vibration, the running noise of the whole machine can be reduced, the using comfort of the product is improved, and the rotating part such as the axial flow fan blade and the stirring piece in the scheme can be integrally positioned in the cleaning cavity and does not need to extend out of the cleaning cavity to be connected with the motor, so that the dynamic sealing problem of the rotating shaft part of the rotating piece is not needed, the design and assembly difficulty of the product is reduced, and meanwhile the water leakage problem at the shaft sealing position can be avoided.
In addition, the material cleaning device provided in the above embodiment of the present application may further have the following additional technical features:
in the above technical solution, the blades of the axial flow fan blade have a windward side and a leeward side, and the air flow entering from the air inlet can be directly injected onto the windward side to drive the axial flow fan blade to rotate; the leeward surface of the axial flow fan blade is inclined relative to the central line of the axial flow fan blade, and the leeward surface is approximately towards one side where the stirring piece is located.
In this scheme, set up the blade of axial fan leaf and incline to the central line of axial fan leaf, and set up leeward side face to oblique below, when the air current impact is acted on the windward side, the effort drive axial fan leaf of air current to windward side takes place to rotate, and on the leeward side, the axial fan leaf is rotatory in-process, leeward side towards oblique below can carry out the water conservancy diversion to the air current, thereby realize the static or less air current of kinetic energy of drive and flow downwards in order to form the stirring that is located the material of wasing the cavity bottom, thereby realize driving the air current to the material stirring when effectively guaranteeing the product energy efficiency, further promote the cleaning performance.
More specifically, the blades of the axial flow fan blade may be designed to have a substantially uniform thickness, and the blades are arranged obliquely with respect to the center line of the axial flow fan blade so that the leeward surface of the blades is inclined with respect to the center line of the axial flow fan blade and faces obliquely downward, and the windward surface of the blades is inclined with respect to the center line of the axial flow fan blade and faces obliquely upward; of course, the present solution is not limited thereto, and the blades of the axial flow fan may be configured to have a non-uniform thickness, and the thickness of the blades may be controlled such that the back surface of the blades is inclined with respect to the center line of the axial flow fan and faces obliquely downward, and the windward surface of the blades may be configured to be inclined or parallel with respect to the center line of the axial flow fan as required.
In any of the above-mentioned embodiments, preferably, the windward side of the axial flow fan blade is inclined with respect to a center line of the axial flow fan blade, and the windward side faces obliquely upward.
In the scheme, the blades of the axial flow fan blades are inclined relative to the central line of the axial flow fan blades, and the windward side is arranged to face obliquely upwards, so that when the airflow impact acts on the windward side, the axial flow fan blades can be driven to rotate by utilizing the impact action of the airflow, and the downward flow resistance is formed on the airflow oppositely towards the windward side, so that the impact action duration of the airflow on the windward side can be prolonged, the energy loss caused by the airflow directly guided to the lower side of the axial flow fan blades is avoided, and the wind energy utilization rate is improved.
More specifically, the blades of the axial flow fan blade may be designed to have a substantially uniform thickness, and the blades may be arranged so as to be inclined with respect to the center line of the axial flow fan blade, such that the windward surface of the blades is inclined with respect to the center line of the axial flow fan blade and directed obliquely upward, and the leeward surface of the blades is inclined with respect to the center line of the axial flow fan blade and directed obliquely downward; of course, the present solution is not limited thereto, and the blades of the axial flow fan may be configured to have a non-uniform thickness, and the thickness of the blades may be controlled so that the windward surface of the blades is inclined with respect to the center line of the axial flow fan and is inclined upward, and the leeward surface of the blades may be configured to be inclined at any angle with respect to the center line of the axial flow fan as required.
In one embodiment of the present application, preferably, an included angle a between a center line of the air inlet and a perpendicular line of the center line of the axial flow fan blade and an included angle B between a parallel line of the center line of the axial flow fan blade and the windward side satisfy: a is more than or equal to B.
In the scheme, the design is such that the air flow entering along the air inlet can act on the windward side approximately along the direction vertical to the windward side or along the direction obliquely downwards, so that the wind pressure on the windward side can be improved, and the purpose of improving the driving efficiency of the wind energy to the axial fan blade is achieved.
In one embodiment of the present application, preferably, a center line of the air inlet is perpendicular to a center line space of the axial flow fan blade.
In the scheme, the center line of the air inlet is arranged to be vertical to the center line space of the axial flow fan blade, namely, the center line of the air inlet is horizontally arranged relative to the structure longitudinally arranged relative to the center line of the axial flow fan blade, so that pipelines connected with the air inlet in a product can be conveniently arranged, and the compactness of the space layout of internal components of the product is improved.
In any of the above technical solutions, preferably, the windward surface is a convex cambered surface; and/or the lee surface is a concave cambered surface.
In the scheme, the arc-shaped surface with the outwards-protruding windward surface is arranged, so that the effect of effectively dispersing impact stress on the windward surface can be achieved when airflow impacts the windward surface, and the risk of deformation of blades of the axial flow fan blades is reduced; the leeward surface is provided with the concave arc surface, so that the leeward surface can play a role in gathering wind when the axial flow fan blades rotate, and the air flow is gathered and concentrated and then guided downwards to be used for assisting in stirring materials. Of course, the present solution is not limited to this, and the blades of the axial flow fan blade may be configured in a straight shape according to the requirement.
In any of the above solutions, preferably, the material cleaning device further includes: and the baffle is used for limiting an air flow channel between any two adjacent blades of the axial flow fan blade and shielding the upper side of the air flow channel.
In this scheme, set up the baffle and shelter from in the upside of air flow channel, like this, in the kinetic energy of air current converts axial fan blade pivoted mechanical energy's in-process, utilize the baffle to block the effect and can increase the impact action duration of air current on the blade windward side, avoid the air current to follow the energy loss that the tip direct outflow air flow channel of air flow channel caused to the realization improves the purpose of wind energy utilization ratio.
In any of the above embodiments, preferably, any two adjacent blades of the axial flow fan blade are connected to the baffle, so that the baffle seals the upper end of the air flow channel.
In this scheme, set up the baffle and form with arbitrary adjacent two blades on the axial fan blade and be connected, make the one end of air flow channel seal, thereby make baffle and arbitrary adjacent two blades can construct the independent cavity relatively, can avoid the problem of scurrying wind between a plurality of cavities like this, when the opening of a certain cavity is just to the air inlet, the air current that gets into from the air inlet can concentrate on the blade that constructs this cavity, promote the actuating effect of wind-force to the axial fan blade, on the other hand, when wind-force acted on the axial fan blade, partial air current is upwards directed to the baffle face on make the baffle by wind-force lifting to a certain extent, simultaneously, the baffle can provide ascending pulling force to axial fan blade and stirring spare, with this friction force that reduces axial fan blade and stirring spare supported position relatively, reduce the rotatory friction loss of axial fan blade and stirring spare, improve the energy efficiency of product.
In any of the above technical solutions, preferably, the baffle is an arc-shaped plate, and a plate surface with a concave shape on the baffle faces downward.
In this scheme, owing to blow the air current on baffle surface and take place to break away from with the baffle in baffle face water conservancy diversion back, here, set up the face that is interior concavity on the baffle and face down, can utilize the air current of backward flow to strengthen the stirring effect to the material to a certain extent like this, improve stirring cleaning action.
In any of the foregoing solutions, preferably, the cleaning chamber includes: the top of the cavity body is provided with a mounting port; the box cover is arranged at the mounting opening, wherein the axial flow fan blades and the stirring piece are hung on the box cover.
In this scheme, through making axial fan leaf and stirring piece hang on the lid, this can furthest reduce the material and pile up the regional barrier that washs the cavity bottom promptly, so can correspondingly reduce the attachable surface of wet material to reduce the material and remain when discharging the material outward, avoid the material to receive the barrier to stop and remain in wasing the problem that brings product sanitation potential hazard in the cavity, promote product cleanliness and travelling comfort.
In any of the above embodiments, preferably, the air outlet is located on the lid.
In the scheme, the axial flow fan blade is arranged to drive the airflow to flow downwards to assist the stirring process, and the exhaust port is arranged on the box cover, so that the airflow direction is opposite to the direction of the exhaust port, and the aim that the airflow drives clean water or materials to splash on the box cover can be avoided.
In any of the above solutions, preferably, the material cleaning device further includes: the material discharging cavity door is arranged on the bottom wall of the cleaning cavity body and is provided with a material discharging hole for discharging materials, and the material discharging cavity door can be covered with the material discharging hole to seal the material discharging hole or separated from the material discharging hole to enable the material discharging hole to be opened.
In this scheme, set up the bin outlet on the diapire of wasing the cavity, like this, the material in wasing the cavity when bin outlet door and bin outlet department separation can rely on gravity to realize discharging by falling down naturally, practices thrift the drive energy consumption.
In any of the above solutions, preferably, a ratio of a total flow area of the exhaust port to a total flow area of the intake port is not less than 0.3; and/or the aperture of the air inlet is not less than 9mm.
In the scheme, the ratio of the total flow area of the exhaust port to the total flow area of the air inlet is not less than 0.3, so that the problem that the flow area of the exhaust port is too small relative to the flow area of the air inlet to cause high pressure in the cavity can be avoided, and the use safety of the product is ensured; the width value of the widest part of the air inlet is not less than 9mm, so that the problem that the air inlet is blocked by wet materials can be avoided, and the reliability of an air inlet pipeline connected with the air inlet is ensured.
An embodiment of the second aspect of the present application provides a cooking appliance, comprising: the material cleaning device in any one of the above technical schemes; the cooking main body is provided with a cooking cavity, and the cleaning cavity of the material cleaning device can be communicated with the cooking cavity so that materials in the cleaning cavity enter the cooking cavity to cook.
The cooking appliance provided by the embodiment of the second aspect of the present application has all the above advantages due to the material cleaning device described in any one of the above technical solutions, and will not be described herein.
In the above technical solution, the cooking main body includes: and the cleaning cavity is arranged on the upper cover.
In this scheme, material belt cleaning device's cleaning cavity sets up on cooking main part to cover, be convenient for make the feed opening of cleaning cavity open time with cooking utensil's cooking cavity intercommunication to make the interior material of cleaning cavity get into cooking cavity smoothly and cook, make the structure compacter reasonable.
Preferably, the cleaning cavity of the material cleaning device and the upper cover are of an integrated structure, so that the assembly efficiency of a product can be improved, and the reliability of assembly and matching precision and sealing connection among an air inlet pipeline, an air exhaust pipeline, a water inlet pipeline, a sewage pipeline and the cleaning cavity can be further ensured, thereby being beneficial to ensuring the use reliability of the product.
Optionally, the cooking appliance is an electric cooker, an electric pressure cooker, an electric stewpot or an electric steamer.
Additional aspects and advantages of the application will be set forth in part in the description which follows, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application 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 cross-sectional view of a material cleaning apparatus and an upper lid assembly according to one embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a material cleaning apparatus according to an embodiment of the present application with a discharge chamber door removed;
FIG. 3 is a schematic view of a rotary member and a cover according to an embodiment of the present application;
FIG. 4 is a schematic view showing the structure of a box cover according to an embodiment of the present application;
FIG. 5 is a schematic view of an axial flow fan blade according to an embodiment of the present application at a first view angle;
FIG. 6 is a schematic view of an axial flow fan blade according to an embodiment of the present application at a second view angle;
FIG. 7 is a schematic view of an axial flow fan blade according to an embodiment of the present application at a third view angle;
FIG. 8 is a schematic view of a stirring element according to an embodiment of the present application;
FIG. 9 is a schematic view of the structure of the upper cover according to one embodiment of the present application;
FIG. 10 is a schematic cross-sectional view of an upper cover according to one embodiment of the present application;
FIG. 11 is a schematic view of a material cleaning apparatus and upper cover assembly according to an embodiment of the present application in a first state;
fig. 12 is a schematic view showing a structure of the material washing apparatus and the upper cover assembly in a second state according to an embodiment of the present application.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 12 is:
100 material cleaning device, 10 chamber bodies, 11 lid, 111 exhaust hole, 112 cantilever axle, 113 locating part, 12 bin outlet, 13 air inlet, 14 water inlet, 15 sewage mouth, 20 row material chamber door, 31 axial fan blade, 311 locating key, 312 fan blade pivot, 313 blades, 3131 windward side, 3132 leeward side, 314 baffle, 32 stirring piece, 321 stirring pivot, 322 stirring rod, 323 keyway, 40 sealing ring, 51 fly leaf, 52 driving motor, 53 first actuation portion, 54 second actuation portion, 200 upper cover.
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 material cleaning device 100 and a cooking appliance according to some embodiments of the present application are described below with reference to fig. 1 to 12.
As shown in fig. 1 to 12, the material cleaning device 100 provided in this embodiment includes a cleaning cavity, an axial flow fan 31, and a stirring member 32.
Specifically, the cleaning cavity is provided with an air inlet 13 and an air outlet, as shown in fig. 1 to 4, the air outlet preferably comprises a plurality of air outlet holes 111, which can meet the requirement of the air outlet flow area and simultaneously avoid the problem that the material is blown out from the air outlet due to the oversized air outlet opening, and of course, the air outlet can be designed to be a set hole according to actual requirements; the axial flow fan 31 is disposed in the cleaning cavity, the center line of the axial flow fan 31 extends longitudinally, as shown in fig. 3, the axial flow fan 31 is driven by the air flow Q1 entering from the air inlet 13 to rotate around the center line of the axial flow fan 31, and when the axial flow fan 31 rotates, the air flow Q2 driven by the axial flow fan 31 flows from top to bottom; the stirring piece 32 is located below the axial flow fan blades 31 and is connected with the axial flow fan blades 31, and the stirring piece 32 is driven by the axial flow fan blades 31 to stir materials in the cleaning cavity.
According to the material cleaning device 100 provided by the application, the center line of the axial flow fan blade 31 is longitudinally arranged, the axial flow fan blade 31 is utilized to conduct axial wind guiding, the air flow driven by the axial flow fan blade 31 flows downwards from top to bottom, so that the stirring of the material positioned at the bottom of the cleaning cavity can be enhanced by utilizing the air flow, the cleaning effect is further improved, in addition, the axial flow fan blade 31 is driven by wind power to rotate so as to stir the material driving the stirring piece 32, compared with the structure driven by a motor in the prior art, the driving mode in the scheme has small vibration, the running noise of the whole machine can be reduced, the using comfort of the product is improved, and the rotating part such as the axial flow fan blade 31 and the stirring piece 32 in the scheme can be integrally positioned in the cleaning cavity and are not required to extend out of the cleaning cavity to be connected with the motor, so that the problem of dynamic sealing of the rotating shaft part of the rotating piece is not required, the design and assembly difficulty of the product is reduced, and the problem of the position of the shaft seal can be avoided.
In one embodiment of the present application, as shown in fig. 3 and 5, the blades 313 of the axial flow fan 31 have a uniform thickness structure, and have a windward side 3131 and a leeward side 3132, and the airflow Q1 entering from the air inlet 13 can be directly incident on the windward side 3131 to drive the axial flow fan 31 to rotate; the blades 313 of the axial flow fan 31 are inclined with respect to the center line of the axial flow fan 31, the windward surface 3131 is inclined upward, and the leeward surface 3132 is inclined downward.
In this scheme, the blades 313 of the axial flow fan 31 are inclined relative to the center line of the axial flow fan 31, and the windward surface 3131 is inclined upward, and the leeward surface 3132 is inclined downward, so, as shown in fig. 3, when the airflow Q1 shown in the figure impacts the windward surface 3131, besides the airflow impact can be utilized to drive the axial flow fan 31 to rotate, the windward surface 3131 facing obliquely upward forms downward flow resistance to the airflow, so that the impact action duration of the airflow on the windward surface 3131 can be increased, the energy loss caused by the airflow being directly guided to the lower part of the axial flow fan 31 is avoided, and the wind energy utilization rate is improved; in addition, on the leeward side 3132, in the rotation process of the axial flow fan blades 31, the leeward side 3132 facing obliquely downward can conduct downward diversion on the air flow, so that the air which is static or small in kinetic energy is driven to form the air flow Q2 flowing downwards, the air flow Q2 forms the effect of stirring the materials located at the bottom of the cleaning cavity, and therefore the effect of stirring the materials by the air flow is driven while the energy efficiency of the product is effectively guaranteed, and the cleaning effect is further improved.
In addition, the windward side 3131 of the present application may face obliquely downward, and after the airflow blows to the windward side 3131, the airflow may push the axial flow fan blades 31 to rotate, and meanwhile, the airflow is guided (e.g. reflected) by the windward side 3131 to flow downward, so that the airflow may play a role in assisting in stirring materials.
In one embodiment of the present application, the windward side 3131 has a convex cambered surface, so that when the airflow Q1 impacts the windward side 3131, the impact stress on the windward side 3131 can be effectively dispersed, and the risk of deformation of the blades 313 of the axial flow fan blade 31 is reduced. Of course, the present embodiment is not limited thereto, and the blades 313 of the axial flow fan blades 31 may be formed in a straight shape and the windward side 3131 may be formed in a plane as required.
In one embodiment of the present application, the leeward surface 3132 is a concave arc surface, so that the leeward surface 3132 can play a role of wind gathering when the axial flow fan blades 31 rotate, so as to gather and concentrate the airflow Q2 and guide the airflow downwards for assisting in stirring the materials. Of course, the present embodiment is not limited thereto, and the blades 313 of the axial flow fan blades 31 may be formed in a straight shape and the leeward surface 3132 may be formed in a flat surface, as required.
In one embodiment of the present application, as shown in fig. 7, an included angle a between the center line of the air inlet and the perpendicular line of the center line of the axial flow fan 31 (it can be understood that an included angle between the air flow Q11 entering along the air inlet and the perpendicular line of the center line of the axial flow fan 31) and an included angle B between the parallel line of the center line of the axial flow fan 31 and the windward side 3131 satisfy: a is more than or equal to B.
In this scheme, the design makes the air current Q11 that gets into along the air inlet can be roughly along perpendicular to windward side 3131 direction or along the decurrent direction effect on windward side 3131 to this can be favorable to improving the wind pressure on windward side 3131, reaches the purpose that improves the driving efficiency of wind energy to axial fan blade 31.
In one embodiment of the present application, as shown in fig. 7, the center line of the air inlet 13 is perpendicular to the center line space of the axial flow fan 31 (it is understood that the air flow Q1 entering along the air inlet 13 is perpendicular to the center line space of the axial flow fan 31). Of course, those skilled in the art will appreciate that this approach is merely a preferred embodiment of the application and that the relative vertical relationship of the two may deviate during practice.
In this scheme, the center line of the air inlet 13 is set to be spatially perpendicular to the center line of the axial flow fan 31, as shown in fig. 7, when the blades 313 of the axial flow fan 31 are inclined relative to the center line of the axial flow fan 31, the air flow entering from the air inlet 13 and the windward side 3131 can be made to enter in a direction of more than or equal to 90 degrees, that is, the included angle between the air flow Q1 and the windward side 3131 at a certain moment can be an angle θ shown in fig. 7, which is more than or equal to 90 degrees, for the structure of uniform thickness of the blades 313 of the axial flow fan 31, the air flow guided by the leeward side 3132 flows downwards when the axial flow fan 31 rotates, thereby realizing that the air flow is driven to stir the materials while effectively ensuring the energy efficiency of the product, further improving the cleaning effect.
In one embodiment of the present application, as shown in fig. 1, 2, 5 to 7, the material cleaning apparatus 100 further includes: a baffle 314, the air flow path is defined between any two adjacent blades 313 of the axial flow fan 31, and the baffle 314 is blocked on the upper side of the air flow path.
In this scheme, set up baffle 314 and shelter from in the upside of air flow channel, like this, in the kinetic energy of air current converts the in-process of axial fan blade 31 pivoted mechanical energy, utilize the baffle 314's effect of blocking can increase the impact action duration of air current on blade 313 windward side 3131, avoid the air current to follow the energy loss that the tip direct outflow air flow channel of air flow channel caused to the realization improves the purpose of wind energy utilization ratio.
Further, as shown in fig. 1, 2 and 5 to 7, any two adjacent blades 313 of the axial flow fan 31 are connected to the baffle 314, so that the baffle 314 closes the upper end of the air flow channel, and it is further preferable that the baffle 314 and the axial flow fan 31 are in an injection-molded integrated structure.
In this scheme, the baffle 314 is connected with any two adjacent blades 313 on the axial flow fan 31, so that one end of the air flow channel is closed, and therefore, the baffle 314 and any two adjacent blades 313 can form a relatively independent chamber, and thus, the problem of wind channeling between a plurality of chambers can be avoided, when the opening of a certain chamber is opposite to the air inlet 13, the air flow entering from the air inlet 13 can intensively act on the blades 313 forming the chamber, so as to improve the driving effect of wind force on the axial flow fan 31, on the other hand, when the wind force acts on the axial flow fan 31, part of the air flow is guided upwards to the baffle 314 plate surface to enable the baffle 314 to be lifted by wind force to a certain extent, and meanwhile, the baffle 314 can provide upward pulling force for the axial flow fan 31 and the stirring piece 32, so that the friction force of the supported parts of the axial flow fan 31 and the stirring piece 32 is relatively reduced, the rotation friction loss of the axial flow fan 31 and the stirring piece 32 is reduced, and the energy efficiency of the product is improved.
Preferably, as shown in fig. 2, fig. 5 to fig. 7, the baffle 314 is an arc-shaped plate, and the concave plate surface on the baffle 314 faces downward.
In this scheme, because the air current that blows to baffle 314 surface takes place to break away from with baffle 314 in baffle 314's outer edge department after baffle 314 face water conservancy diversion, here, set up the face that is interior concave on the baffle 314 and face down, can utilize the air current of backward flow to strengthen the stirring effect to the material like this to a certain extent, improve stirring cleaning action.
In one embodiment of the present application, preferably, as shown in fig. 2, the distance W between the outer edge of the axial flow fan blade 31 and the inner surface of the cleaning cavity is greater than the particle size of the material to be cleaned, and further preferably, the outer edge of the baffle 314 is arranged to be flush with the outer edge of the axial flow fan blade 31, specifically, the material can be a substance suitable for cooking and eating such as rice, mung bean, soybean, etc., and the distance between the outer edge of the axial flow fan blade 31 and/or the outer edge of the baffle 314 and the inner surface of the cleaning cavity is not less than the particle size of the material to be cleaned, so that the problem that the material is jammed between the outer edge of the axial flow fan blade 31 and/or the outer edge of the baffle 314 and the inner surface of the cleaning cavity can be avoided, and the reliability of the product is ensured.
In one embodiment of the present application, preferably, as shown in fig. 2, the distance W between the outer edge of the axial flow fan blade 31 and the inner surface of the cleaning cavity is not less than 1.5mm, and further preferably, the outer edge of the baffle 314 is flush with the outer edge of the axial flow fan blade 31, so that the problem that the axial flow fan blade 31 is blocked due to the material being blocked between the outer edge of the axial flow fan blade 31 and/or the outer edge of the baffle 314 and the inner surface of the cleaning cavity can be avoided, and the reliability of the product is ensured.
In one implementation of the application, as shown in fig. 1 and 2, the cleaning chamber includes: a chamber body 10 and a lid 11. Specifically, the top of the chamber body 10 is provided with a mounting port; the box cover 11 is arranged at the mounting opening in a covering manner, wherein the axial flow fan blades 31 and the stirring piece 32 are hung on the box cover 11. Further preferably, the box cover 11 is detachably connected with the cavity body 10 to facilitate disassembly and cleaning, and of course, the box cover 11 can also be a cavity wall with an integral structure with the cleaning cavity body, as shown in fig. 1 to 4, the material cleaning device 100 further comprises a sealing ring 40, and the box cover 11 is in sealing connection with the cleaning cavity body through the sealing ring 40.
In this scheme, through making axial fan blade 31 and stirring piece 32 hang on lid 11, this can furthest reduce the material and pile up the regional barrier that is washs the cavity bottom, so can correspondingly reduce the attachable surface of wet material to reduce the material and remain when discharging outward the material, avoid the material to receive the barrier to stop and remain and carry out the problem that brings product sanitation potential hazard in wasing the cavity, promote product cleanliness and travelling comfort.
More specifically, as shown in fig. 4, the material cleaning device 100 further includes a cantilever shaft 112, the cantilever shaft 112 is disposed on the lid 11 and extends downward, preferably, the cantilever shaft 112 and the lid 11 are in an integral injection molding structure, the axial flow fan blade 31 is provided with a fan blade rotating shaft 312 and a through hole penetrating the fan blade rotating shaft 312, the stirring member 32 is provided with a stirring rotating shaft 321 and a through hole penetrating the stirring rotating shaft 321, the cantilever shaft 112 penetrates the through hole of the fan blade rotating shaft 312 and the through hole of the stirring rotating shaft 321, the axial flow fan blade 31 and the stirring member 32 are sleeved on the cantilever shaft 112, thereby realizing the assembly of relatively suspending the axial flow fan blade 31 and the stirring member 32 on the lid 11, in addition, as shown in fig. 5 to 8, one of the stirring rotating shaft 321 of the stirring member 32 and the fan blade rotating shaft 312 of the axial flow fan blade 31 is provided with a positioning key 311, and the other one of the stirring shaft is provided with a key groove 323, and the other of the two is matched with the positioning key 311 to transmit torque, so as to realize the rotation of the stirring member 32 by the fan blade 31; the cantilever shaft 112 is provided with a limiting piece 113, the axial flow fan blade 31 and the stirring piece 32 are sleeved on the cantilever shaft 112 and are limited between the top wall of the cleaning cavity and the limiting piece 113, specifically, the limiting piece 113 can be a screw, the free end of the cantilever shaft 112 is provided with a threaded hole, and the screw is driven into the threaded hole to limit the axial flow fan blade 31 and the stirring piece 32 between the nut and the box cover 11.
Still further, as shown in fig. 8, a plurality of stirring bars 322 are provided on the stirring shaft 321 of the stirring member 32, at least two stirring bars 322 of the plurality of stirring bars 322 have different lengths, and at least two stirring bars 322 of the plurality of stirring bars 322 are not parallel.
In one embodiment of the present application, as shown in fig. 1 to 4, the exhaust port is located on the cover 11.
In this scheme, because the axial flow fan blades 31 are arranged to drive the air flow to flow downwards to assist the stirring process, the air flow direction can be opposite to the direction of the air outlet by arranging the air outlet on the box cover 11, so that the aim of the air flow to drive clean water or materials to splash on the box cover 11 can be avoided.
In one embodiment of the present application, as shown in fig. 1 and 2, the material cleaning apparatus 100 further includes a discharge cavity door 20, specifically, a discharge port 12 for discharging material is disposed on a bottom wall of the cleaning cavity, and the discharge cavity door 20 can be covered with the discharge port 12 to seal the discharge port 12, or separated from the discharge port 12 to open the discharge port 12.
In this scheme, set up bin outlet 12 on the diapire of wasing the cavity, like this, the material in the washing cavity can rely on gravity to realize discharging naturally when bin outlet door 20 and bin outlet 12 department separation, practices thrift the drive energy consumption.
Still further, the material cleaning apparatus 100 further includes a driving device connected to the discharge cavity door 20, for driving the discharge cavity door 20 to move relative to the cleaning cavity, so that the discharge cavity door 20 covers or separates from the discharge port 12. More specifically, as shown in fig. 11 and 12, the driving device includes a driving motor 52 and a movable plate 51, an output shaft of the driving motor 52 is connected to the movable plate 51, the discharge cavity door 20 is disposed on the movable plate 51, when the output shaft rotates, the movable plate 51 swings about the output shaft, so that the discharge cavity door 20 located on the movable plate 51 translates in a plane perpendicular to a center line of the discharge port 12, wherein a lower area of the discharge port 12 is located on a movement track of the discharge cavity door 20, as shown in fig. 11, when the discharge cavity door 20 moves to a lower position of the discharge port 12, the discharge cavity door 20 can be closed with the discharge port 12 to seal the discharge port 12, as shown in fig. 12, and when the discharge cavity door 20 leaves the lower position of the discharge port 12, the discharge cavity door 20 can be separated from the discharge port 12 to open the discharge port 12.
More preferably, as shown in fig. 11 and 12, the discharge chamber door 20 is provided with a first engaging portion 53, the discharge opening 12 of the cleaning chamber is provided with a second engaging portion 54, and the first engaging portion 53 is configured to form a connection and engagement with the first engaging portion 53 in a magnetic attraction manner when the discharge chamber door 20 moves to a position below the discharge opening 12, so that the discharge chamber door 20 effectively clings to the discharge opening 12, thereby enhancing the sealing effect of the discharge chamber door 20 on the discharge opening 12, and when the discharge chamber door 20 moves away from the position below the discharge opening 12, the first engaging portion 53 tangentially disengages the magnetic attraction of the second engaging portion 54 so that the discharge chamber door 20 can be separated from the discharge opening 12.
Alternatively, one of the first engaging portion 53 and the second engaging portion 54 is a magnet, and the other is a metal body such as an iron block capable of magnetically attracting with the magnet.
More specifically, the material may be rice, mung bean, soybean and other materials suitable for cooking and eating, the product is mainly used for cleaning the material entering the cleaning cavity, specifically, as shown in fig. 9 and 10, the cleaning cavity is further provided with a water inlet 14 and a sewage outlet 15, when the discharge cavity door 20 is at a sealed position to the discharge outlet 12, the material is input into the cleaning cavity, clean water is input into the cleaning cavity through the water inlet 14, after that, air can be supplied into the cleaning cavity through the air inlet 13, the axial flow fan blade 31 is driven by wind force to rotate so as to drive the stirring piece 32 to stir and clean the material in the cleaning cavity, the cleaning effect is improved, after the cleaning is finished, sewage is discharged from the sewage outlet 15, then the discharge cavity door 20 is controlled to leave the discharge outlet 12 so as to open the discharge outlet 12, the discharged material enters the inner pot of the cooking appliance for cooking requirement, and thus the cooking appliance integrates material cleaning and cooking functions.
In one embodiment of the present application, the ratio of the total flow area of the exhaust port to the total flow area of the intake port 13 is not less than 0.3.
In the scheme, the ratio of the total flow area of the exhaust port to the total flow area of the air inlet 13 is not less than 0.3, so that the problem that the flow area of the exhaust port is too small relative to the flow area of the air inlet 13 to cause high pressure in the cavity can be avoided, and the use safety of the product is ensured.
In one embodiment of the present application, the aperture of the air inlet 13 is not less than 9mm.
In the scheme, the width value of the widest part of the air inlet 13 is not less than 9mm, so that the problem that the air inlet 13 is blocked by wet materials can be avoided, and the reliability of an air inlet pipeline connected with the air inlet 13 is ensured.
The cooking utensil provided in this embodiment includes the material cleaning device 100 and the cooking main body described in any of the above embodiments, where the cooking main body includes a cover body and a pot body, the cover body can be covered with the pot body to enclose a cooking cavity, and the cleaning cavity of the material cleaning device 100 is disposed on the upper cover 200 of the cover body, so that the cleaning cavity is communicated with the cooking cavity when the discharge port 12 of the cleaning cavity is opened, and the material in the cleaning cavity enters the cooking cavity to cook.
Preferably, the cleaning cavity of the material cleaning device 100 and the upper cover 200 are of an integrated structure, so that not only can the assembly efficiency of the product be improved, but also the assembly and matching precision and the sealing connection reliability between the air inlet pipeline, the air exhaust pipeline, the water inlet pipeline and the sewage pipeline and the cleaning cavity can be further ensured, and the use reliability of the product can be ensured.
Optionally, the cooking appliance is an electric cooker, an electric pressure cooker, an electric stewpot or an electric steamer.
In summary, according to the material cleaning device provided by the application, the axial flow fan is driven by wind power to rotate so as to stir the material driving the stirring piece, compared with a structure driven by a motor in the prior art, the driving mode in the scheme has small vibration, the running noise of the whole machine can be reduced, the use comfort of the product is improved, and secondly, the rotating part such as the axial flow fan and the stirring piece can be integrally positioned in the cleaning cavity, and does not need to extend out of the cleaning cavity to be connected with the motor, so that the dynamic sealing problem of the rotating shaft part of the rotating piece is not needed, the design and assembly difficulty of the product are reduced, meanwhile, the water leakage problem of the shaft seal position can be avoided, and in addition, the central line of the axial flow fan is longitudinally arranged, and the axial flow fan is used for axially guiding the air flow driven by the axial flow fan to flow downwards from top, so that the stirring of the material positioned at the bottom of the cleaning cavity can be enhanced by the air flow, and the cleaning effect is further improved.
In the present disclosure, the terms "first," "second," and "second" 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 application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or unit referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present application.
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 application. 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 application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (16)
1. A material cleaning device, comprising:
the cleaning cavity is provided with an air inlet and an air outlet;
the axial flow fan blade is arranged in the cleaning cavity, the central line of the axial flow fan blade longitudinally extends, the axial flow fan blade is driven by the air flow entering from the air inlet to rotate by taking the central line of the axial flow fan blade as the center, and when the axial flow fan blade rotates, the air flow driven by the axial flow fan blade flows downwards from top to stir the material positioned at the bottom of the cleaning cavity;
the stirring piece is positioned below the axial flow fan blades and connected with the axial flow fan blades, and the stirring piece is driven by the axial flow fan blades to stir materials in the cleaning cavity.
2. The material cleaning apparatus according to claim 1, wherein,
the blades of the axial flow fan blades are provided with a windward side and a leeward side, and air flow entering from the air inlet can be directly irradiated onto the windward side to drive the axial flow fan blades to rotate;
the leeward surface of the axial flow fan blade is inclined relative to the central line of the axial flow fan blade, and faces obliquely downwards.
3. The material cleaning apparatus according to claim 2, wherein,
the windward side of the axial flow fan blade is inclined relative to the central line of the axial flow fan blade, and the windward side faces obliquely upwards.
4. The material cleaning apparatus according to claim 3, wherein,
the included angle A between the central line of the air inlet and the perpendicular line of the central line of the axial flow fan blade and the included angle B between the parallel line of the central line of the axial flow fan blade and the windward side satisfy the following conditions: a is more than or equal to B.
5. The material cleaning apparatus according to claim 3, wherein,
the center line of the air inlet is vertical to the center line space of the axial flow fan blade.
6. The material cleaning apparatus according to any one of claims 2 to 5, wherein,
the windward surface is a convex cambered surface; and/or the lee surface is a concave cambered surface.
7. The material cleaning apparatus of any one of claims 1 to 5, further comprising:
and the baffle is used for limiting an air flow channel between any two adjacent blades of the axial flow fan blade and shielding the upper side of the air flow channel.
8. The material cleaning apparatus according to claim 7, wherein,
any two adjacent blades of the axial flow fan blade are connected with the baffle plate, so that the baffle plate seals the upper end of the air flow channel.
9. The material cleaning apparatus according to claim 7, wherein,
the baffle is an arc-shaped plate, and the plate surface with the concave shape on the baffle faces downwards.
10. The material cleaning apparatus of any one of claims 1 to 5, wherein the cleaning chamber comprises:
the top of the cavity body is provided with a mounting port;
the box cover is arranged at the mounting opening, wherein the axial flow fan blades and the stirring piece are hung on the box cover.
11. The material cleaning apparatus according to claim 10, wherein,
the exhaust port is positioned on the box cover.
12. The material cleaning apparatus of any one of claims 1 to 5, further comprising:
the material discharging cavity door is arranged on the bottom wall of the cleaning cavity body and is provided with a material discharging hole for discharging materials, and the material discharging cavity door can be covered with the material discharging hole to seal the material discharging hole or separated from the material discharging hole to enable the material discharging hole to be opened.
13. The material cleaning apparatus according to any one of claims 1 to 5, wherein,
the ratio of the total flow area of the exhaust port to the total flow area of the intake port is not less than 0.3; and/or the aperture of the air inlet is not less than 9mm.
14. A cooking appliance, comprising:
the material cleaning apparatus as claimed in any one of claims 1 to 13;
the cooking main body is provided with a cooking cavity, and the cleaning cavity of the material cleaning device can be communicated with the cooking cavity so that materials in the cleaning cavity enter the cooking cavity to cook.
15. The cooking appliance of claim 14, wherein the cooking body comprises:
and the cleaning cavity is arranged on the upper cover.
16. The cooking appliance of claim 14 or 15, wherein the cooking appliance comprises a cooking chamber,
the cooking utensil is an electric cooker, an electric pressure cooker, an electric stewpot or an electric steamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916233.5A CN107960913B (en) | 2016-10-20 | 2016-10-20 | Material cleaning device and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916233.5A CN107960913B (en) | 2016-10-20 | 2016-10-20 | Material cleaning device and cooking utensil |
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| CN107960913A CN107960913A (en) | 2018-04-27 |
| CN107960913B true CN107960913B (en) | 2023-12-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110604489B (en) * | 2018-06-15 | 2022-05-03 | 九阳股份有限公司 | Automatic material cleaning device |
| CN114378041A (en) * | 2022-02-11 | 2022-04-22 | 陈惠玲 | Novel washing equipment and washing method for powdery material and slurry |
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| KR940014240U (en) * | 1992-12-29 | 1994-07-16 | 삼성전자 주식회사 | Semi-residue prevention device of semi-joint of fully automatic cooker |
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