CN209695000U - DC brushless motor, pedestal and food processor - Google Patents

Abstract

A kind of DC brushless motor, pedestal and food processor, DC brushless motor include: rotor, and rotor includes output shaft；Around the stator of rotor；The bracket being fixedly connected with stator, stator is fixed on the inside of bracket, output shaft stretches out bracket, wherein, torque and DC brushless motor torque ratio in high revolving speed of the DC brushless motor in the slow-speed of revolution is greater than or equal to 0.7, wherein the slow-speed of revolution is less than 200r/min, high revolving speed is greater than 3000r/min, and torque of the DC brushless motor in the slow-speed of revolution is greater than or equal to 2.8N.m.Torque and DC brushless motor torque ratio in high revolving speed of the DC brushless motor of the utility model embodiment in the slow-speed of revolution is greater than or equal to 0.7, and torque of the DC brushless motor in the slow-speed of revolution is greater than or equal to 2.8N.m, so that DC brushless motor also can have biggish torque when slowly running, be conducive to the ability for improving food processor processing food.

Description

DC brushless motor, pedestal and food processor

Technical field

The utility model relates to household appliance technical field more particularly to a kind of DC brushless motors, pedestal and food processor.

Background technique

The food processors such as soy bean milk making machine, masticator, wall-breaking machine are as kitchen appliance, in food processor work, food The blade of processor keeps higher rotation speed cutting food, to realize the function of processing food.

In the related art, food processor includes motor, and the torque of motor increases with the increase of revolving speed, in this way, For motor in the slow-speed of revolution, the torque of motor is insufficient, so that the ability of food processor processing food is poor.

Utility model content

In view of this, the present invention provides a kind of DC brushless motor, a kind of pedestal and a kind of food processors.

The DC brushless motor of the application embodiment is used for the pedestal of food processor, the DC brushless motor packet It includes:

Rotor, including output shaft；

Around the stator of the rotor；

The bracket being fixedly connected with the stator, the stator are fixed on the inside of the bracket, and the output shaft stretches out The bracket, wherein torque of the DC brushless motor in the slow-speed of revolution and the DC brushless motor are in high revolving speed Torque ratio is greater than or equal to 0.7, wherein the slow-speed of revolution is less than 200r/min, and the high revolving speed is greater than 3000r/min, institute Torque of the DC brushless motor in the slow-speed of revolution is stated more than or equal to 2.8N.m.

In some embodiments, it is non-circular that the output shaft, which stretches out the section of the part of the bracket,.

In some embodiments, the bracket is formed with the multiple heat release holes being connected to the inside of the bracket.

In some embodiments, the bracket is formed with multiple trunnions of the circumferentially-spaced arrangement along the output shaft, The DC brushless motor is used to be fixed on the shell of the pedestal by trunnion suspension.

In some embodiments, the pedestal includes being contained in the shell and being located at the DC brushless motor side Circuit board, circuit board level setting.

The food processor of the utility model embodiment includes pedestal and the stirring of any of the above embodiment, stirring cup Can releasably it be arranged on the base.

In some embodiments, the height ratio of the pedestal and the stirring cup is less than 1/2.

In some embodiments, the shell includes bottom cover, wall and upper cover, and the wall is arranged on the bottom cover And the DC brushless motor is surrounded, the upper cover lid is located at the one end of the wall far from the bottom cover, and the upper cover is formed There is deep gouge, the bottom of the stirring cup is located in the deep gouge.

In some embodiments, the output shaft of the DC brushless motor protrudes into the deep gouge, the brush DC electricity First clutch is fixed on the output shaft of machine, the first clutch is located in the deep gouge；

The stirring cup includes food cup and mixing component, and the food cup is formed with accommodating space, the mixing component Including cutter shaft and the stirring blade being fixed on the cutter shaft, the stirring blade is located in the accommodating space, and the cutter shaft is separate One end of the stirring blade is fixed with second clutch, and the second clutch is located at outside the accommodating space, described first from Clutch is engaged with the second clutch so that stirring blade described in the driven by Brush-Less DC motor rotates.

In some embodiments, the top surface of the first clutch and the height of the bottom surface of the pedestal are less than or equal to 120mm。

In the DC brushless motor of the utility model embodiment, pedestal and food processor, DC brushless motor is low The torque ratio of torque and DC brushless motor in high revolving speed when revolving speed is greater than or equal to 0.7, and DC brushless motor Torque in the slow-speed of revolution is greater than or equal to 2.8N.m so that DC brushless motor also can have when slowly running it is biggish Torque is conducive to the ability for improving food processor processing food.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment It will be apparent and be readily appreciated that, in which:

Fig. 1 is the stereoscopic schematic diagram of the food processor of the utility model embodiment；

Fig. 2 is the floor map of the food processor of the utility model embodiment；

Fig. 3 is the stereoscopic schematic diagram of the pedestal of the utility model embodiment；

Fig. 4 is the floor map of the pedestal of the utility model embodiment；

Fig. 5 is schematic cross-section of the pedestal along the direction V-V of Fig. 4；

Fig. 6 is the stereoscopic schematic diagram of the DC brushless motor of the utility model embodiment；

Fig. 7 is the diagrammatic cross-section of the DC brushless motor of the utility model embodiment；

Fig. 8 is the diagrammatic cross-section of the stirring cup of the utility model embodiment.

Main element symbol description:

Food processor 300；

Pedestal 100, shell 10, bottom cover 11, wall 12, upper cover 13, deep gouge 131, drainage hole 132；

DC brushless motor 20, output shaft 21, stator 22, rotor 23, bracket 24, trunnion 241, heat release hole 242；

Coupler 30, first clutch 40, circuit board 50, display device 60, display element 61；

Stirring cup 200, food cup 210, accommodating space 211, cup body 212, cup lid 213, rim of a cup 214, bottom wall 215, side wall 216；

Mixing component 220, cutter shaft 221, stirring blade 222；

Second clutch 230, heating device 240.

Specific embodiment

The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific It limits.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model. In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

Referring to Fig. 1, the utility model discloses a kind of food processor 300, food processor 300 can for wall-breaking machine, Juice extractor, soy bean milk making machine, grinder, masticator, shredding machine, filament cutter, blender etc. have the machine of blade.At the food of Fig. 1 Reason device 300 is wall-breaking machine, only a kind of form of food processor 300, be should not be construed as a limitation of the present invention.

Referring to Figure 2 together, the food processor 300 of the utility model embodiment includes pedestal 100 and stirring cup 200.Pedestal 100 is used to support stirring cup 200.In other words, stirring cup 200 is arranged on pedestal 100.In present embodiment, stir Mixing cup 200 can be releasably arranged on pedestal 100.Stirring cup 200 is for holding food.For example, stirring cup 200 can be used for containing Put the foods such as vegetables, beans or meat.

In present embodiment, the height ratio of pedestal 100 and stirring cup 200 is less than 1/2.In other words, the height of pedestal 100 The ratio H1/H2 of the height H2 of H1 and stirring cup 200 is less than 1/2.Preferably, pedestal 100 and the height ratio of stirring cup 200 are , for example, H1/H2 is the ratios such as 1/5,1/4,1/3,1/2.

In this way, pedestal 100 is smaller relative to the height dimension of stirring cup 200, so that the ruler that food processor 300 is whole Very little is smaller, is conducive to the storage of food processor 300.

In the related art, the height ratio substantially 1 of the pedestal of food processor and stirring cup, that is to say, that pedestal Height is nearly equal with the height of stirring cup, so that the overall volume of food processor is larger, it is not easy to store, it reduces User experience.

It should be pointed out that the height H1 of pedestal 100 is the full-size in 100 short transverse of pedestal.In other words, pedestal 100 height H1 is pedestal 100 the distance between minimum point and highest point in the height direction.The height H2 of stirring cup 200 is Full-size in 200 short transverse of stirring cup.In other words, the height H2 of stirring cup 200 be stirring cup 200 in the height direction The distance between minimum point and highest point.

In present embodiment, the rounded rectangle in the cross section of pedestal 100.It should be pointed out that in other embodiments, It the cross section of pedestal 100 can the shapes such as oval, round, polygon, irregular shape.

Incorporated by reference to Fig. 3-Fig. 5, specifically, pedestal 100 includes shell 10 and DC brushless motor 20.DC brushless motor 20 It is arranged in shell 10.The power of DC brushless motor 20 is less than or equal to 1500W.Further, DC brushless motor 20 Power is 100-1500W.For example, the power of DC brushless motor 20 be 100W, 200W, 300W, 500W, 800W, 1000W, 1500W etc..Preferably, the power of DC brushless motor 20 is 500-1500W.

The height ratio of shell 10 and DC brushless motor 20 is less than or equal to 2.In other words, the height H3 of shell 10 and straight The ratio H3/H4 for flowing the height H4 of brushless motor 20 is less than or equal to 2.Preferably, the height of shell 10 and DC brushless motor 20 Degree is 1.1-2 for example, H3/H4 is 1.1,1.2,1.3,1.5,2 equal proportions than H3/H4.

It should be pointed out that the height H3 of shell 10 is the full-size of shell 10 in the height direction.I other words shell 10 height H3 is shell 10 the distance between minimum point and highest point in the height direction.Since DC brushless motor 20 is arranged In shell 10, in present embodiment, the height H3 of shell 10 is equal to the height H1, i.e. H3=H1 of pedestal 100.

In this way, the height ratio of shell 10 and DC brushless motor 20 is less than or equal to 2, so that the structure of pedestal 100 It is more compact, the height of pedestal 100 is advantageously reduced, pedestal 100 is more thinned, and is conducive to pedestal 100 and food processor 300 storages.

It is appreciated that when H3/H4 is 1.1-1.2, this i other words, the height of the height of shell 10 and DC brushless motor 20 It is nearly equal, so that shell 10 and the fit structure of DC brushless motor 20 are more compact.

In addition, when the power of DC brushless motor 20 is less than 1500W, so that the power of DC brushless motor 20 can To meet the requirement of stirring, cutting food.In present embodiment, can control according to demand DC brushless motor 20 with difference Power operation, in other words, the power adjustable of DC brushless motor 20.For example, when food processor 300 handle hardness compared with When soft substance, DC brushless motor 20 can control with low power run；When food processor 300 handles the higher object of hardness When matter, DC brushless motor 20 can control with high power operation.

Please refer to Fig. 3-Fig. 5, in present embodiment, shell 10 can be made of materials such as plastics and/or metals.Specifically Ground, shell 10 include bottom cover 11, wall 12 and upper cover 13, and wall 12 is arranged on bottom cover 11 and surrounds DC brushless motor 20. The lid of upper cover 13 is located at the one end of wall 12 far from bottom cover 11.In this way, shell 10 assembles to be formed by multiple element, be conducive in this way Shell 10 manufactures.

Bottom cover 11 can be adopted made of plastic.Wall 12 is substantially cylindrical in shape.Wall 12 can be made of metal material, example Such as, the material of wall 12 is aluminium alloy, and the radiating efficiency of wall 12 can be improved in this way.The lid of upper cover 13 is located on wall 12.Such as This, upper cover 13 can be used for supporting stirring cup 200.

In present embodiment, upper cover 13 is formed with deep gouge 131, and the bottom of stirring cup 200 is located in deep gouge 131.In this way, The setting of deep gouge 131 is stablely supported at stirring cup 200 more in upper cover 13.In present embodiment, deep gouge 131 Section be it is non-circular.For example, the section of deep gouge 131 can be the shapes such as round rectangle, trapezoidal.

Coupler 30 is provided in deep gouge 131, coupler 30 is used to convey electric energy to stirring cup 200.Upper cover 13 is formed with The drainage hole 132 being connected to deep gouge 131, drainage hole 132 are connected to the outside of pedestal 100.In this way, when having liquid in pedestal 100, Liquid can be discharged to outside pedestal 100 by drainage hole 132.

Further, the suspension of DC brushless motor 20 is fixed in upper cover 13.Between DC brushless motor 20 and bottom cover 11 It is formed with gap.In other words, DC brushless motor 20 is not contacted with bottom cover 11.In this way, upper cover 13 can reduce direct current without The vibration of brush motor 20, so as to reduce the noise of the generation of food processor 300.

In addition, DC brushless motor 20 is suspended in upper cover 13, the output shaft of DC brushless motor 20 can also be shortened 21, so that the height of DC brushless motor 20 reduces, to reduce the height of pedestal 100.

In present embodiment, the output shaft 21 of DC brushless motor 20 protrudes into deep gouge 131, the output of DC brushless motor 20 First clutch 40 is fixed on axis 21, first clutch 40 is located in deep gouge 131.Make DC brushless motor 20 can in this way To drive stirring cup 200 to work by first clutch 40.

In present embodiment, the top surface of first clutch 40 is less than or equal to the height H5 of the bottom surface of pedestal 100 120mm.For example, the height of the top surface of first clutch 40 and the bottom surface of pedestal 100 is 120mm, 110mm, 105mm, 100mm Equidimension.

Incorporated by reference to Fig. 6 and Fig. 7, in present embodiment, the power of DC brushless motor 20 is less than or equal to 1500W, direct current The radius R of brushless motor 20 is less than or equal to 50mm.Preferably, the radius R of DC brushless motor 20 is 40-50mm.For example, straight The radius R for flowing brushless motor 20 is 40mm, 42mm, 45mm, 50mm equidimension.

The DC brushless motor 20 of present embodiment is that the demand minimized according to pedestal 100 customizes, and is wanted meeting power While asking, the lateral dimension of DC brushless motor 20 is smaller, so that the size of pedestal 100 is smaller, it is small-sized to be conducive to pedestal 100 Change.

It should be pointed out that the radius of DC brushless motor 20 refers to that the battery core of envelope DC brushless motor 20 is lateral The radius of the smallest circle of size.

Further, the height H4 of DC brushless motor 20 is less than or equal to 60mm.Preferably, DC brushless motor 20 Height H4 is 40-60mm.For example, the height H4 of DC brushless motor 20 is 40mm, 42mm, 45mm, 60mm equidimension.One As DC brushless motor in, power is that the height of DC brushless motor 20 of 500-1500W is generally higher than 90mm.Therefore, originally 20 machine of DC brushless motor of embodiment can satisfy the needs of the miniaturization of pedestal 100, so that pedestal 100 is more frivolous.

As previously discussed, the height ratio H3/H4 of shell 10 and DC brushless motor 20 is less than or equal to 2.Therefore, Ke Yili Solution, when the height H4 of DC brushless motor 20 is 50mm, the height of shell 10 is less than or equal to 100mm.In other words, this implementation In mode, the height H3 of shell 10 is less than or equal to 100mm.

It should be pointed out that please referring to Fig. 5 and Fig. 7, motor 20 is including first bearing seat 25 and between first bearing seat 25 Every second bearing seat 26, first bearing seat 25 is provided with first bearing 27, and second bearing seat 26 is provided with second bearing 28, electricity The output shaft 21 of machine 20 passes through first bearing 27 and second bearing 28.The height H4 of motor 20 is the outer end face of first bearing seat 25 Size between the outer end face of second bearing seat 26.

In present embodiment, the power of DC brushless motor 20 is less than or equal to 1500W, the power of DC brushless motor 20 Density is greater than or equal to 0.8KW/kg.Preferably, the power density of DC brushless motor 20 is 0.8-1.2KW/kg.For example, straight The power density for flowing brushless motor 20 is 0.8KW/kg, 0.9KW/kg, 1KW/kg, 1.1KW/kg, 1.2KW/kg etc..

Power density refers to the quality of DC brushless motor 20 and the ratio of 20 output power of DC brushless motor.Generally Ground, in order to meet the power demand of DC brushless motor, the power of DC brushless motor is bigger, manufactures needed for DC brushless motor Material it is more so that the volume of DC brushless motor is bigger, the calorific value of DC brushless motor is also bigger.

In the related art, when the power of DC brushless motor is less than or equal to 1500W, the power of DC brushless motor is close Degree is 0.6-0.8KW/kg.In other words, under Same Efficieney, the required material of the DC brushless motor 20 of present embodiment is more It is few, to reduce the volume of DC brushless motor 20.

In present embodiment, the power density of DC brushless motor 20 is greater than or equal to 0.8KW/kg, so that brush DC The calorific value of motor 20 is less, meets temperature increase requirement.The power density of DC brushless motor 20 is in range above, pedestal 100 It can be omitted the radiators such as fan.In other words, one end of DC brushless motor 20 is not necessarily to install to radiator fan, so as to To reduce the height of pedestal 100, be conducive to the miniaturization of pedestal 100.

Further, the limit of temperature rise of DC brushless motor 20 is less than or equal to 120K.Temperature rise refers to brush DC The difference of motor 20 temperature and surrounding air.The temperature rise of DC brushless motor 20 indicates the sky in pedestal 100 in range above The difference of the temperature of temperature degree and DC brushless motor 20 is smaller, without installing radiator in shell 10, it is also ensured that The temperature of shell 10 will not scald user.

In present embodiment, torque of the DC brushless motor 20 in the slow-speed of revolution and DC brushless motor 20 are in high revolving speed When torque ratio be greater than or equal to 0.7.Preferably, torque and DC brushless motor of the DC brushless motor 20 in the slow-speed of revolution 20 torque ratio in high revolving speed is 0.7-0.9.For example, torque and brush DC of the DC brushless motor 20 in the slow-speed of revolution Torque ratio of the motor 20 in high revolving speed is 0.7,0.75,0.8,0.85,0.9 etc..

Wherein, the slow-speed of revolution is less than 200r/min.For example, the slow-speed of revolution is 80r/min, 90r/min, 100r/min, 120r/ Min, 150r/min, 180r/min etc..

High revolving speed be greater than 3000r/min, for example, high revolving speed be 3100r/min, 3500r/min, 4000r/min, 4500r/min, 5000r/min, 6500r/min etc..

Torque of the DC brushless motor 20 in the slow-speed of revolution is greater than or equal to 2.8N.m.Preferably, DC brushless motor 20 Torque range in the slow-speed of revolution is 2.8-3.2N.m.For example, torque of the DC brushless motor 20 in the slow-speed of revolution is The specific values such as 2.8N.m, 2.9N.m, 3.0N.m, 3.1N.m, 3.2N.m.

Generally, in alternating current generator, the torque of alternating current generator increases with the increase of revolving speed, in other words, exchange Torque of the torque of motor in the slow-speed of revolution is smaller.

As previously discussed, in present embodiment, DC brushless motor 20 by specific design, no matter DC brushless motor 20 in the slow-speed of revolution and be high revolving speed, and DC brushless motor 20 still can keep biggish torque work, so as to so that Good mixing effect can also be had to food in the slow-speed of revolution by obtaining DC brushless motor 20.

Fig. 6 and Fig. 7 is please referred to, specifically, DC brushless motor 20 includes stator 22, rotor 23 and bracket 24.Stator 22 Around rotor 23.Stator 22 is fixed on the inside of bracket 24, and is fixedly connected with bracket 24.Rotor 23 includes output shaft 21, defeated Shaft 21 stretches out bracket 24.

Bracket 24 is formed with multiple trunnions 241 of the circumferentially-spaced arrangement along the output shaft 21, DC brushless motor 20 For being fixed on shell 10 by the suspension of trunnion 241.In present embodiment, DC brushless motor 20 is hung by trunnion 241 It is fixed in upper cover 13.In present embodiment, the quantity of trunnion 241 is four.In other embodiments, the number of trunnion 241 Amount can be greater than one quantity for two, three, five etc..

In order to improve the radiating rate of stator 22 and rotor 23, connect preferably, bracket 24 is formed with the inside of bracket 24 Logical multiple heat release holes 242.It is appreciated that the heat that stator 22 and rotor 23 generate can be distributed by heat release hole 242 to straight It flows outside brushless motor 20.

In present embodiment, the section that output shaft 21 stretches out the part of bracket 24 is non-circular.In this way, output shaft 21 and outer When portion's element connects, output shaft 21 can drive outer member to rotate synchronously.Output shaft 21 stretches out the section of the part of bracket 24 The shapes such as example, rectangular, triangle.

Referring to Fig. 5, in present embodiment, pedestal 100 further includes circuit board 50, and circuit board 50 is contained in shell And it is located at 20 side of DC brushless motor, circuit board 50 is horizontally disposed.In this way, circuit board 50 is horizontally disposed can to make shell 10 Height it is lower, so as to reduce the height of pedestal 100.

Circuit board 50 can be used for controlling the work of DC brushless motor 20.For example, circuit board 50 can be used for controlling direct current The input voltage and/or input current of brushless motor 20 are to control the revolving speed of DC brushless motor 20.

In present embodiment, pedestal 100 further includes display device 60, and display device 60 is contained in shell 10, display dress 60 are set for showing the working condition of food processor 300.For example, display device 60 can show DC brushless motor 20 Power.Display device 60 includes display element 61, and display element 61 is, for example, display lamp and/or display screen.

5 and Fig. 8 is please referred to, stirring cup 200 includes food cup 210 and mixing component 220.The setting of mixing component 220 is being eaten On object cup 210.Specifically, food cup 210 is formed with accommodating space 211.Accommodating space 211 is for accommodating food.Food cup 210 Including cup body 212 and the cup lid 213 cooperated with cup body 212.Cup body 212 is formed with accommodating space 211, and has and accommodating space The rim of a cup 214 of 211 connections, cup lid 213, which can cover, to be located on cup body 212 and covers rim of a cup 214.

Cup body 212 includes bottom wall 215 and side wall 216, and side wall 216 connects bottom wall 215 and upwardly extends from bottom wall 215.Bottom Wall 215 can be made of metal material, can heat food cup 210 by bottom wall 215.Side wall 216 can use glass Equal transparent materials are made, in order to which user observes situation in cup body 212.Scale can be set on side wall 216, scale is used In the volume of measurement cup body 212.

Mixing component 220 includes cutter shaft 221 and the stirring blade 222 being fixed on cutter shaft 221.Stirring blade 222 is located at receiving In space 211, cutter shaft 221 is fixed with second clutch 230 far from one end of stirring blade 222.Second clutch 230 is located at receiving Outside space 211.First clutch 40 is engaged with second clutch 230 so that DC brushless motor 20 drives stirring blade 222 to rotate.

In this way, DC brushless motor 20 work when, DC brushless motor 20 can by first clutch 40 and second from The engagement driving cutter shaft 221 of clutch 230 rotates, to drive the rotation of stirring blade 222 to cut the food in stirring accommodating space 211 Object.

It should be pointed out that cutter shaft 221 can be an integral molding structure, can also be fixed by multiple molding elements of fission It is formed together.In present embodiment, stirring blade 222 can releasably be connect with cutter shaft 221.

In present embodiment, stirring cup 200 further includes heating device 240, is fixed on food cup 210 and is located at receiving sky Between outside 211.Heating device 240 is for heating food cup 210.In this way, heating device 240 passes through heating food, so as to add The food of hot food cup 210.Further, heating device 240 is fixed on bottom wall 215.Heating device 240 is, for example, that electromagnetism adds Thermal.It is appreciated that electromagnetic heater can produce the magnetic field of alternation, so that bottom wall 215 when electromagnetic heater work Vortex can be formed, so that bottom wall 215 can generate heat rapidly to heat the food in accommodating space 211.

To sum up, a kind of DC brushless motor 20 of embodiment of the utility model includes stator 22, rotor 23 and bracket 24.Stator 22 surrounds rotor 23.Stator 22 is fixed on the inside of bracket 24, and is fixedly connected with bracket 24.Rotor 23 includes defeated Shaft 21, output shaft 21 stretch out bracket 24.

Wherein, torque of the DC brushless motor 20 in the slow-speed of revolution and torque ratio of the DC brushless motor 20 in high revolving speed Value is greater than 0.7, wherein the slow-speed of revolution is less than 200r/min, and high revolving speed is greater than 3000r/min, and DC brushless motor 20 is in the slow-speed of revolution When torque be greater than or equal to 2.8N.m.

In the DC brushless motor 20 of the utility model embodiment, torque of the DC brushless motor 20 in the slow-speed of revolution with Torque ratio of the DC brushless motor 20 in high revolving speed is greater than 0.7, and torque of the DC brushless motor 20 in the slow-speed of revolution is greater than Or it is equal to 2.8N.m, so that DC brushless motor 20 also can have biggish torque when slowly running, and be conducive to mention High food processor 300 handles the ability of food.

In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation In book, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

While there has been shown and described that the embodiments of the present invention, those skilled in the art can manage Solution: a variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and objective, modify, Replacement and variant, the scope of the utility model are defined by the claims and their equivalents.

Claims (11)

1. a kind of DC brushless motor, the pedestal for food processor, which is characterized in that the DC brushless motor includes:

Rotor, including output shaft；

Around the stator of the rotor；

The bracket being fixedly connected with the stator, the stator are fixed on the inside of the bracket, described in the output shaft stretches out Bracket, wherein torque of the DC brushless motor in the slow-speed of revolution and torque of the DC brushless motor in high revolving speed Ratio is greater than or equal to 0.7, and the slow-speed of revolution is less than 200r/min, and the high revolving speed is greater than 3000r/min, the brush DC Torque of the motor in the slow-speed of revolution is greater than or equal to 2.8N.m.

2. DC brushless motor as described in claim 1, which is characterized in that the output shaft stretches out the part of the bracket Section is non-circular.

3. DC brushless motor as described in claim 1, which is characterized in that the bracket is formed with the inside with the bracket Multiple heat release holes of connection.

4. DC brushless motor as described in claim 1, which is characterized in that the bracket is formed with the week along the output shaft To the multiple trunnions being intervally arranged, the DC brushless motor is used to be fixed on the shell of the pedestal by trunnion suspension On.

5. a kind of pedestal of food processor, which is characterized in that including

Shell；With

DC brushless motor in the housing is set, and the DC brushless motor is that claim 1-4 is described in any item DC brushless motor.

6. the pedestal of food processor as claimed in claim 5, which is characterized in that the pedestal include be contained in the shell and Circuit board positioned at the DC brushless motor side, the circuit board level setting.

7. a kind of food processor characterized by comprising

The pedestal of the described in any item food processors of claim 5-6；With

Stirring cup on the base can be releasably set.

8. food processor as claimed in claim 7, which is characterized in that the height ratio of the pedestal and the stirring cup is less than Or it is equal to 1/2.

9. food processor as claimed in claim 7, which is characterized in that the shell includes bottom cover, wall and upper cover, described Wall is arranged on the bottom cover and surrounds the DC brushless motor, and the upper cover lid is located at the wall far from the bottom cover One end, the upper cover is formed with deep gouge, and the bottom of the stirring cup is located in the deep gouge.

10. food processor as claimed in claim 9, which is characterized in that the output shaft of the DC brushless motor protrudes into institute Deep gouge is stated, first clutch is fixed on the output shaft of the DC brushless motor, the first clutch is located at the deep gouge It is interior；

The stirring cup includes food cup and mixing component, and the food cup is formed with accommodating space, and the mixing component includes Cutter shaft and the stirring blade being fixed on the cutter shaft, the stirring blade are located in the accommodating space, and the cutter shaft is far from described One end of stirring blade is fixed with second clutch, and the second clutch is located at outside the accommodating space, the first clutch It is engaged with the second clutch so that stirring blade described in the driven by Brush-Less DC motor rotates.

11. food processor as claimed in claim 10, which is characterized in that the top surface of the first clutch and the pedestal Bottom surface height be less than or equal to 120mm.