CN106235909A - For the crushing knife tool of agitator and the agitator with it - Google Patents

Abstract

The invention discloses a kind of crushing knife tool for agitator and have its agitator, the described crushing knife tool for agitator includes: connecting portion；Multiple cutting portions, the plurality of cutting portion be arranged to along described connecting portion circumferentially around described connecting portion, the plurality of cutting portion is all connected with described connecting portion and extends towards the direction away from described connecting portion, in the circumference along described connecting portion, the both sides of described cutting portion form blade and the knife back respectively, described blade is used for cutting, and the edge of the described knife back is formed with chamfering.The crushing knife tool for agitator according to embodiments of the present invention, noise is low and energy consumption is little, noise-reduction energy-saving.

Description

For the crushing knife tool of agitator and the agitator with it

Technical field

The present invention relates to field of household appliances, particularly to a kind of crushing knife tool for agitator and the agitator with it.

Background technology

Along with household electrical appliance more and more welcomed by the peoples such as the raising of people's living standard, agitators, but, these The household electrical appliance grinding class all also exist the problem that noise is the biggest, cause bad Consumer's Experience, and these are in certain journey The popularization and application of the household electrical appliance such as agitator are limited on degree.

Summary of the invention

It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention One purpose is to propose a kind of crushing knife tool for agitator, and noise is low and energy consumption is little, noise-reduction energy-saving.

The crushing knife tool for agitator according to embodiments of the present invention, including: connecting portion；Multiple cutting portions are described many Individual cutting portion be arranged to along described connecting portion circumferentially around described connecting portion, the plurality of cutting portion all with described connecting portion phase Lian Bingchao extends away from the direction of described connecting portion, and in the circumference along described connecting portion, the both sides of described cutting portion are formed respectively Blade and the knife back, described blade is used for cutting, and the edge of the described knife back is formed with chamfering.

The crushing knife tool for agitator according to embodiments of the present invention, arranges chamfering on the knife back, revolves at crushing knife tool During Zhuaning, liquid flows through the cutting portion of crushing knife tool and is, material will be cut by blade, and in liquid flow process Chamfering on the knife back will make liquid successfully to circulate, and reduces the resistance during liquid communication, reduces eddy current, turbulent flow Deng, less energy loss, energy-conserving and environment-protective, it is additionally, since liquid communication smooth and easy, it is possible to reduce when liquid and cutting portion relative motion The noise produced.

It addition, the crushing knife tool for agitator according to the above embodiment of the present invention, it is also possible to have following additional Technical characteristic:

In some embodiments of the invention, the lower edge of the blade of described cutting portion is formed with chamfering, and described cutting portion The upper edge of the knife back be formed with chamfering.

In some embodiments of the invention, the chamfering described knife back formed is in the range of 5 ° to 60 °.

In some embodiments of the invention, at the water respectively of the plurality of cutting portion along the direction away from described connecting portion Put down extension, be inclined upwardly and downward-sloping.

Further, the plurality of cutting portion includes: the first cutting portion, along away from described on the direction of described connecting portion First cutting portion is horizontal-extending；Second cutting portion, at described second cutting portion along the direction away from described connecting portion to updip Tiltedly extend；3rd cutting portion, downwardly extends at described 3rd cutting portion along the direction away from described connecting portion, and the described 3rd Cutting portion is the most relative with described second cutting portion, described first cutting portion, described second cutting portion and described 3rd cutting Portion is one or more, and the combination of described second cutting portion and described 3rd cutting portion and described first cutting portion are in cincture Interlaced arrangement on the direction of described connecting portion.

The invention allows for a kind of agitator, including: pedestal；Crushing chamber, described crushing chamber is removably mounted on institute State on pedestal；Bowl cover assembly, described bowl cover assembly covers on described crushing chamber, and described bowl cover assembly includes bowl cover and measuring cup, institute Stating and be formed with centre bore on bowl cover, described measuring cup is arranged on described bowl cover and covers described centre bore, and described measuring cup is at least Part cooperation limits air-flow between the inner side of described centre bore, and the inner peripheral surface of described measuring cup and described centre bore and leads to Road, described gas channel connects inside and outside described bowl cover；Crushing knife tool, described crushing knife tool is rotatably provided in described powder Broken intracavity, is previously described for the crushing knife tool of agitator according to described crushing knife tool.

In some embodiments of the invention, described measuring cup includes: cup, and the top seal of described cup and lower end open Open, and the lower end of described cup is inserted in described centre bore；Annular canister, described annular canister is circumferentially positioned at outside described cup Side, the last week of described annular canister is along being connected with the upper end of described cup, and the next week of described annular canister is along being against described bowl cover On upper surface, the next week of described annular canister is along being formed with breach.

Further, the upper surface of described bowl cover being formed with overflow launder, the next week of described annular canister is along being against described overflowing On the bottom surface of chute.

In some embodiments of the invention, described bowl cover assembly also include multiple projection, described projection be located at described in Between inner peripheral surface and the described measuring cup of central hole, described projection includes spaced apart multiple, and multiple described projection is in described amount Limit the gas channel of roundabout extension between cup and the inner peripheral surface of described centre bore, and described gas channel connects described bowl cover Inside and outside.

Further, the plurality of projection is arranged to the spaced apart multilamellar of axis direction along described centre bore, and often Layer all includes the circumferentially spaced multiple projections along described centre bore, between having between two projections adjacent in every layer Gap between gap, and neighbouring two-layer interlocks.

In some embodiments of the invention, described pedestal includes: base, and described base has the first air vent and Two air vents；Radiator fan, it is interior and relative with described first air vent that described radiator fan is located at described toroidal membrane；Motor, Described motor is connected with described radiator fan for driving described radiator fan to rotate.

Further, described pedestal also includes that wind scooper, described wind scooper are inner side and described first air vent phase up and down To annular, described second air vent is positioned at outside described wind scooper, and described radiator fan is located at the inner side of described wind scooper.

Advantageously, described base is provided with upwardly extending toroidal membrane, described first air vent be positioned at described annular every The inner side of plate, described second air vent is positioned at the outside of described toroidal membrane, and described motor is located at the upper end of described toroidal membrane, Described wind scooper is located at inside described toroidal membrane.

Advantageously, described radiator fan includes: newel, and newel is vertically extending；Flabellum, described flabellum and institute The outer peripheral face stating newel is connected and extending, around described radially towards the direction away from described newel along described newel On the direction of newel, described flabellum tilts relative to the axis of described newel, and described flabellum includes around described newel Multiple in divergent shape are arranged at interval, and multiple described flabellums are identical relative to the incline direction of the axis of described newel, wherein, Described fan blade structure becomes the side being gradually increased in the side away from described newel up towards the angle of inclination with the axis of newel Tabular to distortion.

Further, described radiator fan includes: plate body；Blade, described blade is located on described plate body, described blade One end extends to the edge of described plate body adjacent to the center of described plate body and the other end, described blade on direction from inside to outside Along the circumferential spiral extension of described plate body, it is circumferentially spaced multiple that described blade includes along described plate body；Cover plate, described Cover plate covers on multiple described blades, described cover plate and described plate body between the upper and lower every layout, and described cover plate on be formed with The central through hole that the center of multiple described blades is corresponding, and described central through hole is relative with described first air vent.

Accompanying drawing explanation

Fig. 1 is the sectional view of the agitator of one embodiment of the invention.

Fig. 2 is the schematic diagram of the base of the agitator of one embodiment of the invention.

Fig. 3 is the upward view of Fig. 2.

Fig. 4 is the sectional view of Fig. 2.

Fig. 5 is the schematic diagram of the radiator fan for agitator of one embodiment of the invention.

Fig. 6 is the front view of Fig. 5.

Fig. 7 is the sectional view of Fig. 6 middle section D-D.

Fig. 8 is the top view of Fig. 5.

Fig. 9 is the sectional view of the agitator of another embodiment of the present invention.

Figure 10 is the schematic diagram of the radiator fan of the agitator of the embodiment of the present invention shown in Fig. 9.

Figure 11 is the close-up schematic view of Fig. 1 centre circle C.

Figure 12 is the schematic diagram of the wind scooper of the agitator of one embodiment of the invention.

Figure 13 is the sectional view of the wind scooper of the agitator of one embodiment of the invention.

Figure 14 is the schematic diagram of the bowl cover of the agitator of one embodiment of the invention.

Figure 15 is the sectional view of the bowl cover of the agitator of one embodiment of the invention.

Figure 16 is the measuring cup schematic diagram in one direction of the agitator of one embodiment of the invention.

Figure 17 is the measuring cup of the agitator of one embodiment of the invention schematic diagram on other direction.

Figure 18 is the schematic diagram of the crushing knife tool of the agitator of one embodiment of the invention.

Figure 19 is the top view of Figure 18.

Figure 20 is the sectional view of Figure 19 middle section E-E.

Reference: agitator 100,

Pedestal 1, radiator fan 11, newel 111, the top 111A of newel 111, the bottom 111B of newel 111, outward Cylinder 1111, inner core 1112, reinforcement 1113, flabellum 112, plate body 114, blade 115, cover plate 116, connection post 117, base 12, First air vent 1201, the second air vent 1202, toroidal membrane 121, annular boss 122, motor 13, wind scooper 14, base plate 141, side plate 142,

The outer peripheral face 1101 on newel 111 top, central through hole 1102, the axis A of newel 111, newel 111 bottom Radius r1, the length dimension r2 of flabellum 112, flabellum 112 is relative to the angle of inclination B of the axis A of newel 111, newel The axial dimension L1 on 111 tops, the axial dimension L2 of newel 111 bottom,

Crushing chamber 2,

Bowl cover assembly 3, bowl cover 31, overflow launder 3101, centre bore 3102, measuring cup 32, cup 321, annular canister 322, breach 3201, projection 33, gap 3301,

Crushing knife tool 4, connecting portion 41, cutting portion 42, blade 4201, the knife back 4202, the first cutting portion 421, the second cutting Portion 422, the 3rd cutting portion 423.

Detailed description of the invention

Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.

Such as Fig. 1 to Figure 10, agitator 100 according to embodiments of the present invention, wherein, agitator 100 can be blender, squeezing The household electrical appliance such as juice machine, cooking machine, wall-breaking machine, soy bean milk making machine.

Agitator 100 includes: base 12, radiator fan 11 and motor 13.Wherein it is formed with radiation air in agitator 100 Road, this heat dissipation wind channel is for dispelling the heat to the electric elements in agitator 100.

Specifically, radiator fan 11 is located on base 12, and radiator fan 11 is used for driving air-flow to pass through heat dissipation wind channel and dissipates Heat, say, that or, radiator fan 11 is for driving air-flow to enter heat dissipation wind channel from the entrance of heat dissipation wind channel, and air-flow is at radiation air Discharge from the outlet of heat dissipation wind channel after heat exchange in road, thus realize heat radiation.Motor 13 is connected scattered for driving with radiator fan 11 Hot-air fan rotates.

Rotation by radiator fan 11 so that air-flow is circulated by the first air vent 1201 and the second air vent 1202, Thus realize heat radiation by airflow.

The structure of the radiator fan 11 of several different embodiments of the present invention is described with reference to the accompanying drawings.

Such as Fig. 5 to Fig. 8, the radiator fan 11 for agitator 100 according to embodiments of the present invention, including newel 111 With flabellum 112.

Specifically, newel 111 is vertically extending.Flabellum 112 is connected with the outer peripheral face of newel 111 and in edge Stem 111 radially towards away from newel 111 direction extend, around newel 111 direction on flabellum 112 relative in The axis A of stem 111 is obliquely installed, and flabellum 112 includes arranging multiple and multiple in divergent shape around newel 111 interval The flabellum 112 incline direction relative to the axis A of central shaft 111 is identical.

In conjunction with aforesaid agitator 100, the first air vent 1201 can be air outlet, accordingly, and the second air vent 1202 For air inlet, the top of the newel 111 of radiator fan 11 deviates from the first air vent 1201.

The present invention's in some examples, the outer peripheral face 1101 of the top 111A of newel 111 is in footpath from top to bottom The curve form being gradually reduced to size, flabellum 112 is located at the bottom 111B of newel 111, and dispels the heat 112 adjacent to newel The upper subordinate edge of 111.The radiator fan 11 for agitator 100 according to embodiments of the present invention, the top of newel 111 is formed For guide face structure from top to bottom, during airflow, air-flow will flow to flabellum 112 institute along guide face structure The position at place, after air-flow flow to flabellum 112 gently, the flow direction of air-flow is less with the change of the driving direction of flabellum 112, makes The flowing that levelling of bringing about the desired sensation is slow, thus decrease the sudden change of airflow direction, and then reduce or avoid owing to airflow direction sudden change is produced Raw noise, parts can facilitate the circulation of air-flow, and may also operate as reducing the effect of noise.

The outer peripheral face on newel 111 top in the present invention can shape in the conical surface.Preferably, in conjunction with Fig. 5 to Fig. 7, The most curved curve form of outer peripheral face on newel 111 top.It is to say, the periphery on newel 111 top Face radial dimension from top to bottom is gradually increased and shape in curved surface, realizes the guiding to air-flow by smooth arc-shaped curved surface, enters One step ground reduces the turbulent flow of air-flow, reduces noise, but also can reduce the energy loss during airflow, improves the energy Utilization rate, energy-conserving and environment-protective.

Further, the outer peripheral face on newel 111 top is the arc-shaped curved surface of evagination.

Advantageously, the outer peripheral face of newel 111 bottom is the vertically extending face of cylinder, newel 111 bottom Radius r1 and flabellum 112 along the ratio of newel 111 length dimension r2 radially in the range of 0.5 to 2.Facilitate the stream of air-flow Dynamic, but also improve the stability of radiator fan 11.

Preferably, the radius size of newel 111 bottom and the ratio substantially 1 of the length dimension of flabellum 112, such as, The radius (the axis A of the free end of flabellum 112 to newel 111) of radiator fan 11 is 59.2 millimeters, and the footpath of newel 111 To a size of 32.78 millimeters.

Such as Fig. 6, in some embodiments of the invention, flabellum 112 away from newel 111 side up towards with newel The tabular of the direction distortion that the angle of inclination of the axis A of 111 is gradually increased.In other words, flabellum 112 is in side from inside to outside The tabular upwards distorted.Therefore, flabellum angle of inclination everywhere is different, now, during airflow, by distortion Flabellum 112, little by little guides the direction of air-flow to the axis direction along newel 111, so, realizes further air-flow The guiding in direction and buffering, the turbulent phenomenon of reduction air-flow, thus noise-reduction energy-saving.

Such as Fig. 6, in some embodiments of the invention, along flabellum 112 on the direction of newel 111 relative in The angle of inclination B of the axis A of stem 111 is in the range of 30 ° to 60 °.Thus avoid newel 111 flabellum 112 inclination angle Spend the problem causing greatly airflow direction to suddenly change, reduce turbulent flow and the phenomenon of eddy current further, and the driving to air-flow The impact of effect is less.

The flabellum 112 in the present invention angle of inclination relative to the axis A of newel 111 can be the scope of 30 ° to 60 ° In, such as 30 °, 45 °, 60 ° etc., certain flabellum 112 angle of inclination relative to the axis A of newel 111 might be less that 30 ° Or more than 60 °, such as, the flabellum 112 angle of inclination relative to the axis A of newel 111 is arranged to 20 °, 75 ° etc..

Such as Fig. 6, in some embodiments of the invention, the axial dimension L1 on newel 111 top and newel 111 bottom The ratio of axial dimension L2 in the range of 0.5 to 2.Good drainage can be played in the top making newel 111, And with the size of reasonable design flabellum, thus the drainage effect of radiator fan 11 can be improved.

Preferably, the ratio of the axial dimension L1 on newel 111 top and the axial dimension L2 of newel 111 bottom is substantially Being 1, such as, the circumferential size of newel 111 is 19 millimeters, and the axial dimension L2 of newel 111 bottom is 10 millimeters.

Such as Fig. 7, in some embodiments of the invention, newel 111 includes: urceolus 1111 and inner core 1112.Urceolus 1111 in the vertically extending and tubulose of hollow, and the top of urceolus 1111 is in being gradually increased at radial dimension from top to bottom Shape；Inner core 1112 is in the vertically extending and tubulose of hollow, and inner core 1112 is located at inside urceolus 1111 and and urceolus 1111 is spaced apart, and inner core 1112 is used for connecting motor 13, and the last week of inner core 1112 is connected along edge last week with urceolus 1111.Pass through Urceolus 1111 and inner core 1112 are set, certain cushioning effect can be played, and due between urceolus 1111 and inner core 1112 Spaced apart, inner core 1112 may be used for connecting motor 13 easily, thus improves the stability being connected with motor 13, and outward The consumption of material can be reduced in interval between cylinder 1111 and inner core 1112, saves material and convenient heat radiation.

Such as Fig. 7, according to one embodiment of present invention in, be provided with reinforcement 1113 between urceolus 1111 and inner core 1112, Reinforcement 1113 is connected with the inner peripheral surface of urceolus 1111 and the outer peripheral face of inner core 1112 respectively.By arranging reinforcement 1113, can To improve the intensity of attachment structure between inner/outer tube, thus improve the structural strength of flabellum 112.

In an embodiment of the invention, radiator fan 11 is formed in one or flabellum 112 and newel 111 company of welding Connect.The radiator fan 11 formed by one-body molded or welding, has higher structural strength, to improve the knot of radiator fan 11 Structure intensity and stability, reduce maintenance cost, furthermore it is also possible to simplify the processing technology of radiator fan 11, improves radiation air The make efficiency of fan 11.

Radiator fan passes through low noise axial flow fan airflow design, and flabellum curve, through hydrodynamics optimization, improves Aerodynamic noise.

It addition, combine Fig. 9 and Figure 10, present invention also offers the another form of radiator fan 11 for agitator, Described radiator fan 11 includes plate body 114, blade 115 and cover plate 116.

Specifically, described blade 115 is located on described plate body 114, and one end of described blade 115 is adjacent to described plate body The center of 114, the other end of described blade 115 extends to the edge of described plate body 114, described leaf on direction from inside to outside Sheet 115 is along the circumferential spiral extension of described plate body 114, and it is circumferentially spaced that described blade 115 includes along described plate body 114 Multiple.Described cover plate 116 covers on multiple described blades 115, described cover plate 116 and described plate body 114 between the upper and lower every layout, and The central through hole 1102 corresponding with the center of multiple described blades 115 it is formed with on described cover plate 116.

It is to say, multiple blades 115 are arranged between cover plate 116 and plate body 114, plate body 114 and cover plate 116 are in every phase All limiting runner between two adjacent blades 115, in radiator fan 11 rotary course, blade 115 rotates and will take offence Stream is along flow passage, thus realizes airflow to facilitate heat radiation.

Furthermore it is preferred that combine Fig. 2,3,4,9 and 10, the first air vent 1201 can be air outlet, accordingly, second Air vent 1202 is air inlet, and central through hole 1102 can be to be arranged to the form opposing with the first air vent 1201.

Further, such as Figure 10, the center of described plate body 114 is formed with the connection post 117 for connecting motor, multiple Described blade 115 is arranged around described connection post 117, and multiple described blade 115 is spaced apart with described connection post 117.Pass through Connecting post 117 can facilitate radiator fan 11 to connect motor, and is separated with being connected post 117 by blade 115, can facilitate air-flow Circulation.

Such as Figure 10, advantageously, on described blade 115, the one end at neighbouring described plate body 114 center is in showing out described plate body especially The shape that the height of 114 is gradually reduced.Thus promote the circulation of air-flow further.

Relative to former straight leaf centrifugal fan, the present invention is Two-dimensional Surfaces blade after optimizing, and adds upper cover plate simultaneously, makes fan flow Amount is bigger, and noise is lower.Agitator the first uses Two-dimensional Surfaces blade, more quiet under equal air quantity, both ensure that agitator Motor radiating, improves the noise of agitator the most greatly, improves the experience of agitator.

The quantity of blade 115 is in the range of 5 to 15, and preferably blade 115 is 10, and the peripheral level of radiator fan is 23.23 millimeters, radial diameter be 55 millimeters, wherein a diameter of 33.7 millimeters of the central through hole on cover plate.

Agitator 100 according to embodiments of the present invention, owing to have employed the aforesaid radiator fan of the present invention 11, can play Reduce the noise of agitator 100, but also energy consumption can be reduced.

Present invention employs the aerofoil fan of low noise, and flabellum has been carried out rational airflow design, flabellum curve Through the optimization of fluid Li Xu, improve and start noise.

Such as Figure 11 to Figure 13, in the agitator 100 of some embodiments of the present invention, agitator 100 also includes wind scooper 14, described wind scooper 14 is located in toroidal membrane 121, and described wind scooper 14 is relative with the first air vent about 1201 in inner side Annular, radiator fan 11 is located at the inner side of described wind scooper 14 relative with the first air vent 1201.

By arranging wind scooper 14, it is possible to achieve the guiding to air-flow, air-flow can be made more intensively to dispel the heat, carry High cooling efficiency.

Such as Figure 12 and Figure 13, in some embodiments of the invention, described wind scooper 14 includes: base plate 141 and side plate 142.Described base plate 141 is in horizontally disposed annular.Described side plate 142 in vertically extending annular slab, described side The next week of plate 142 is along being connected with the inner edge of described base plate 141, and the most described side plate 142 is arc.By setting Put wind scooper 14 can air-flow be guided, improve the effect of heat radiation.It addition, can be easily by wind-guiding by base plate 141 Cover 14 is arranged on base 12, can be answered air-flow by side plate 142, is possible not only to improve stablizing of wind scooper 14 Property, but also can preferably guide air current flow.

Such as Figure 13, in some embodiments of the invention, the most described side plate 142 arc in middle part indent, And radiator fan 11 is arranged below the position of interior recess of described side plate 142.The side plate 142 of the arc guiding function to air-flow Good, it is possible to reduce turbulent flow or eddy current, thus improve the flow efficiency of air-flow, improve radiating effect, thus play energy-conservation purpose.

In conjunction with Fig. 4 and Figure 11, in some embodiments of the invention, base 12 is provided with annular boss 122, and first ventilates Hole 1201 is positioned at the inner side of annular boss 122, and the next week of described wind scooper 14 is along being connected with annular boss 122.Thus improve and lead The stability of fan housing 14, and it is supplied to the good placement space of radiator fan 11, it is possible not only to improve the heat radiation of radiator fan Effect, but also radiating effect can be improved.

It addition, in a concrete example of the present invention, base 12 is provided with upwardly extending toroidal membrane 121, first Air vent 1201 is positioned at the inner side of toroidal membrane 121, and the second air vent 1202 is positioned at the outside of toroidal membrane 121.Radiator fan 11 inner sides being located at toroidal membrane 121 are the most relative with the first air vent 1201, and motor 13 is located at the upper end of toroidal membrane 121, leads Fan housing 14 is arranged inside toroidal membrane 121.Rotation by radiator fan 11 so that air-flow is by the first air vent 1201 and the Two air vents 1202 circulate, thus realize heat radiation by airflow.

Such as Fig. 1, in some embodiments of the invention in agitator 100, include pedestal 1, crushing chamber 2, bowl cover assembly 3.Specifically, described crushing chamber 2 is removably mounted on described pedestal 1；Described bowl cover assembly 3 covers at described crushing chamber 2 On.

Preferably, the pedestal 1 in the present invention includes aforesaid base 12, radiator fan 11 and motor 13.Specifically, Pedestal 1 includes base 12, radiator fan 11 and motor 13.

Specifically, base 12 has the first air vent 1201 and the second air vent 1202, and base 12 be provided with to The toroidal membrane 121 of upper extension, the first air vent 1201 is positioned at the inner side of toroidal membrane 121, and the second air vent 1202 is positioned at ring The outside of shape dividing plate 121；Radiator fan 11 is located at the inner side of toroidal membrane 121 relative with the first air vent 1201, motor 13 Being connected for driving radiator fan to rotate with radiator fan 11, motor 13 is located at the upper end of toroidal membrane 121.

The bowl cover assembly 3 of some embodiments of the invention is described with reference to the accompanying drawings.

In conjunction with Fig. 1 and Figure 14 to 17, the bowl cover assembly 3 for agitator 100 according to embodiments of the present invention, including cup Lid 31 and measuring cup 32.It is formed with centre bore 3102 on described bowl cover 31.Described measuring cup 32 is arranged on described bowl cover 31 and covers Described centre bore 3102.

In conjunction with Fig. 1 and Figure 14 to 17, in some embodiments of the invention, at least some of cooperation of described measuring cup 32 In the inner side of described centre bore 3102, described bowl cover assembly 3 also includes that multiple projection 33, described projection 33 are located at described centre bore Between inner peripheral surface and the described measuring cup 32 of 3102, described projection 33 includes spaced apart multiple, and multiple described projection 33 exists The gas channel of roundabout extension, and described gas channel is limited between described measuring cup 32 and the inner peripheral surface of described centre bore 3102 Connect inside and outside described bowl cover 31.

Bowl cover assembly 3 according to embodiments of the present invention, by arranging multiple projection 33, forms roundabout gas channel, gas Stream circulation ratio is shallower, reduces the noise during airflow, and roundabout gas channel has been isolated inside agitator Partial noise, air-flow is in the process of circulation, also due to roundabout passage makes noise dribble, therefore, the present invention's Bowl cover assembly 3 can be effectively reduced the noise of agitator.

Such as Figure 15, in some embodiments of the invention, the plurality of projection 33 is arranged to along described centre bore 3102 The spaced apart multilamellar of axis direction, and every layer of circumferentially spaced multiple projection all included along described centre bore 3102 33, the gap 3301 having between two projections 33 adjacent in every layer between gap 3301, and neighbouring two-layer interlocks. So form roundabout gas channel not only by multiple boss 33, and due to airflow during, through less Gap after enter between adjacent two-layer projection 33, flow area changes, in air-flow flow area change procedure, Noise will dissipate further, thus improves noise reduction and noise reduction further.

Such as Figure 15, in some embodiments of the invention, circumferentially extending in along described centre bore 3102 of described projection 33 Strip.Simple in construction, convenient formation.

Such as Figure 14 and Figure 15, in some embodiments of the invention, described projection 33 is formed at described centre bore 3102 On inner peripheral surface, described projection 33 is one-body molded with described bowl cover 31.Projection 33 is one-body molded with bowl cover 31, improve bowl cover group The shaping efficiency of part 3, reduces the technology difficulty of agitator, improves assembling and the production efficiency of agitator.

It addition, the projection 33 in the present invention can also be formed on measuring cup 32 equally, or it is respectively provided with on measuring cup and bowl cover Projection 33.It addition, projection 33 can be one-body molded with measuring cup or bowl cover, it is also possible to projection 33 is welded on measuring cup or bowl cover.

Low noise bowl cover assembly devises special labyrinth structure, and in cup, acoustic energy is through labyrinth structure break-in reflection folding During penetrating decay, while guaranteeing breathability, reduce the purpose of noise, labyrinth structure can be 1 to 10 layer it Between decision design (such as 2 layers labyrinth).

In conjunction with Fig. 1 and Figure 14 to 17, in some embodiments of the invention, the bottom of described measuring cup 32 coordinates described The inner side of centre bore 3102, limits gas channel, described cup between described measuring cup 32 and the inner peripheral surface of described centre bore 3102 The periphery covering 31 tops is against on described bowl cover 31, and the periphery of described measuring cup 32 is provided with the circumferentially-spaced layout along described measuring cup 32 Multiple breach 3201, limit space between described breach 3201 with described bowl cover 31 to connect described gas channel and described The outside of bowl cover 31.The circulation of air-flow can be realized by breach 3201.

And multiple breach 3201 is set and can play the effect of diffusing air current, thus avoid air-flow by breach 3201 Transition concentrate and cause the problem that noise is big, thus create a further reduction noise.

Such as Figure 16 and Figure 17, in some embodiments of the invention, described measuring cup 32 includes: cup 321 and annular canister 322, in the top seal of described cup 321 and open at its lower end, and the described centre bore 3102 of lower end insertion of described cup 321, Described annular canister 322 is circumferentially positioned at the outside of described cup 321, last week of described annular canister 322 along with described cup 321 Upper end is connected, and the next week of described annular canister 322 is along being against on the upper surface of described bowl cover 31, and described breach 3201 is formed at institute State edge next week of annular canister 322.Such that it is able to close described centre bore 3102 by cup 321, then by annular canister 322 Support measuring cup, is additionally, since annular canister 322 and separates with cup 321, therefore, it can conveniently take off measuring cup by annular canister 322.

In conjunction with Figure 14 and Figure 16, in some embodiments of the invention, the upper surface of described bowl cover 31 is formed with overflow Groove 3101, the next week of described annular canister 322 is along being against on the bottom surface of described overflow launder 3101.During agitator uses, stir Mixing the liquid in device and may leave over above bowl cover 31 by gas channel, therefore, being provided with overflow launder 3101 can be square The liquid that will pass through gas channel overflow retains, and owing to the next week of annular canister 322 is along being provided with breach 3201, therefore, overflows The liquid flowing to overflow launder 3101 can be refluxed by breach 3201, it is to avoid waste and liquid spill.

It addition, combine aforesaid embodiment, it is also possible to arrange projection between the inner peripheral surface of measuring cup 32 and centre bore 3102 33, it is preferable that projection 33 is arranged between the inner peripheral surface of cup 321 and centre bore 3102.

The low noise realized by little measuring cup 40, in cup, acoustic energy is divided through the multiple little opening at little measuring cup edge Dissipating decay, these little openings, can reduce as the passage of excessive effluent recycling while guaranteeing ventilative backwater simultaneously The purpose of noise.

It addition, the agitator 100 of the present invention also includes crushing knife tool 4, wherein, crushing knife tool 4 is rotatably provided in pulverizing Intracavity.Describe the crushing knife tool 4 of the embodiment of the present invention with reference to the accompanying drawings in detail.

Such as Figure 18 to 20, the crushing knife tool 4 for agitator 100 according to embodiments of the present invention, including: connecting portion 41 He Multiple cutting portions 42.

Specifically, the plurality of cutting portion 42 be arranged to along described connecting portion 41 circumferentially around described connecting portion 41, The plurality of cutting portion 42 is all connected with described connecting portion 41 and extends, along described company towards the direction away from described connecting portion 41 The both sides of the upper described cutting portion 42 of circumference (clockwise direction with reference in Fig. 9) meeting portion 41 form blade 4201 and the knife back respectively 4202, described blade 4201 is used for cutting, and the edge of the described knife back 4202 is formed with chamfering.

According to embodiments of the present invention for agitator 100 crushing knife tool 4, the knife back 4202 arranges chamfering, pulverize In cutter 4 rotary course, when liquid flows through the cutting portion 42 of crushing knife tool 4, material will be cut by blade 4201, Er Qie In liquid flow process, the chamfering on the knife back 4202 will make liquid can successfully circulate, during reducing liquid communication Resistance, reduces eddy current, turbulent flow etc., less energy loss, energy-conserving and environment-protective, is additionally, since liquid communication smooth and easy, it is possible to reduce liquid With the noise produced during cutting portion 42 relative motion.

Such as Figure 20, in some embodiments of the invention, the lower edge of the blade 4201 of described cutting portion 42 is formed with chamfering, And the upper edge of the knife back 4202 of described cutting portion 42 is formed with chamfering.It is of course also possible at the blade 4201 times of cutting portion 42 Along forming chamfering；Or it is formed with chamfering on the lower edge of the knife back 4202 of cutting portion 42.So can form optimum following Ring, facilitates logistics to deliver on blade 4201 and is cut, but also so that liquid flow range is big, improves the efficiency pulverized.

Preferably, in some embodiments of the invention, the chamfering described knife back 4202 formed is the scope of 5 ° to 60 ° In.Preferably, the chamfering described knife back 4202 formed is 30 °.Therefore, it can play drainage well, it is simple to cutting And noise reduction.

It addition, the angle of the chamfering of the knife back 4202 refers to: the plane formed after chamfering is relative to the angle on the surface of the knife back.

Such as Figure 18, in some embodiments of the invention, cut the plurality of along the direction away from described connecting portion 41 Cut that portion 42 is the most horizontal-extending, be inclined upwardly and downward-sloping.By the difference of incline direction, it is achieved omnibearing cutting, and And in working angles, the cutting portion 42 of different incline directions can carry out drain to material, thus improves efficiency and the effect of cutting Really.

Further, such as Figure 18, the plurality of cutting portion 42 includes: first cutting portion the 421, second cutting portion 422 and Three cutting portions 423.Horizontal-extending at described first cutting portion 421 along the direction away from described connecting portion 41；Along away from institute State described second cutting portion 422 on the direction of connecting portion 41 to be inclined upwardly extension；Along the direction away from described connecting portion 41 Described 3rd cutting portion 423 downwardly extends, and described 3rd cutting portion 423 is relative with described second cutting portion about 422,

Preferably, described first cutting portion 421, described second cutting portion 422 and described 3rd cutting portion 423 are one Individual or multiple, and the combination of described second cutting portion 422 and described 3rd cutting portion 423 and described first cutting portion 421 are at ring Interlaced arrangement on the direction of described connecting portion 41.

Thus, formed one cutting circulation, material through the first cutting portion 421 time, the flow direction of logistics may Changing, then material will be through the second cutting portion 422 and described 3rd cutting portion 423, and the most no matter how logistics flows Logical, all can realize the effective cutting to material, improve cutting and the efficiency pulverized.

Through fluid noise analysis optimization, blade is carried out back face chamfer design, weakened blade and rotate the cavitation caused And cause noise, simultaneously do not increase blade processing cost.It is excellent that low noise blade has carried out curved surface radian at the back side of blade Changing, improve air pocket noise, it is mainly characterized by rear side of blade adding fall resistance lead angle, the excursion of this lead angle at 5 °～ Between 60 ° preferably (such as 30 °).

In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three Individual etc., unless otherwise expressly limited specifically.

In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc. Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.

In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel Close and combination.

Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, revises, replaces and modification.

Claims (15)

1. the crushing knife tool for agitator, it is characterised in that including:

Connecting portion；

Multiple cutting portions, the plurality of cutting portion be arranged to along described connecting portion circumferentially around described connecting portion, the plurality of Cutting portion is all connected with described connecting portion and extends towards the direction away from described connecting portion, institute in the circumference along described connecting portion The both sides stating cutting portion form blade and the knife back respectively, and described blade is used for cutting, and the edge of the described knife back is formed with chamfering.

Crushing knife tool for agitator the most according to claim 1, it is characterised in that under the blade of described cutting portion Along being formed with chamfering, and the upper edge of the knife back of described cutting portion is formed with chamfering.

Crushing knife tool for agitator the most according to claim 1 and 2, it is characterised in that formed on the described knife back Chamfering is in the range of 5 ° to 60 °.

Crushing knife tool for agitator the most according to claim 1 and 2, it is characterised in that along away from described connection On the direction in portion, the plurality of cutting portion is the most horizontal-extending, be inclined upwardly and downward-sloping.

Crushing knife tool for agitator the most according to claim 4, it is characterised in that the plurality of cutting portion includes:

First cutting portion, horizontal-extending at described first cutting portion along the direction away from described connecting portion；

Second cutting portion, is being inclined upwardly extension along described second cutting portion along direction away from described connecting portion；

3rd cutting portion, downwardly extends at described 3rd cutting portion along the direction away from described connecting portion, and the described 3rd cuts Portion of cutting is the most relative with described second cutting portion,

Described first cutting portion, described second cutting portion and described 3rd cutting portion are one or more, and described second Combination and described first cutting portion interlaced arrangement on the direction around described connecting portion of cutting portion and described 3rd cutting portion.

6. an agitator, it is characterised in that including:

Pedestal；

Crushing chamber, described crushing chamber is removably mounted on described pedestal；

Bowl cover assembly, described bowl cover assembly covers on described crushing chamber, and described bowl cover assembly includes bowl cover and measuring cup, described bowl cover On be formed with centre bore, described measuring cup is arranged on described bowl cover and covers described centre bore, described measuring cup at least some of Coordinate and limit gas channel between the inner side of described centre bore, and the inner peripheral surface of described measuring cup and described centre bore, described Gas channel connects inside and outside described bowl cover；

Crushing knife tool, described crushing knife tool is rotatably provided in described crushing chamber, and described crushing knife tool is according to claim The crushing knife tool for agitator according to any one of 1-5.

Agitator the most according to claim 6, it is characterised in that described measuring cup includes:

The lower end of cup, the top seal of described cup and open at its lower end, and described cup is inserted in described centre bore；

Annular canister, described annular canister is circumferentially positioned at the outside of described cup, last week of described annular canister along with described cup Upper end is connected, and the next week of described annular canister is along being against on the upper surface of described bowl cover, and the next week of described annular canister is along being formed Breach.

Agitator the most according to claim 7, it is characterised in that be formed with overflow launder, institute on the upper surface of described bowl cover State the next week of annular canister along being against on the bottom surface of described overflow launder.

9. according to the agitator according to any one of claim 6-8, it is characterised in that described bowl cover assembly also includes multiple convex Block, described projection is located between the inner peripheral surface of described centre bore and described measuring cup, and described projection includes spaced apart multiple, and Multiple described projections limit the gas channel of roundabout extension between the inner peripheral surface of described measuring cup and described centre bore, and described Gas channel connects inside and outside described bowl cover.

Agitator the most according to claim 9, it is characterised in that the plurality of projection is arranged to along described centre bore The spaced apart multilamellar of axis direction, and every layer all include the circumferentially spaced multiple projections along described centre bore, every layer In there is the gap between gap, and neighbouring two-layer between adjacent two projections and interlock.

11. agitators according to claim 6, it is characterised in that described pedestal includes:

Base, described base has the first air vent and the second air vent；

Radiator fan, described radiator fan is relative with described first air vent；

Motor, described motor is connected with described radiator fan for driving described radiator fan to rotate.

12. agitators according to claim 11, it is characterised in that described pedestal also includes wind scooper, described wind scooper In inner side with described first air vent annular opposing upper and lower, described second air vent is positioned at outside described wind scooper, described scattered Hot-air fan is located at the inner side of described wind scooper.

13. agitators according to claim 12, it is characterised in that described base be provided with upwardly extending annular every Plate, described first air vent is positioned at the inner side of described toroidal membrane, and described second air vent is positioned at the outside of described toroidal membrane, Described motor is located at the upper end of described toroidal membrane, and described wind scooper is located at inside described toroidal membrane.

14. agitators according to claim 11, it is characterised in that described radiator fan includes:

Newel, newel is vertically extending；

Flabellum, described flabellum be connected with the outer peripheral face of described newel and along described newel radially towards away from described newel Direction extend, on the direction around described newel, described flabellum tilts relative to the axis of described newel, and described Flabellum includes arranging multiple in divergent shape around described newel interval, and multiple described flabellums are relative to the axle of described newel The incline direction of line is identical,

Wherein, described fan blade structure becomes in the side away from described newel up towards the angle of inclination with the axis of newel gradually The tabular of the direction distortion increased.

15. agitators according to claim 11, it is characterised in that described radiator fan includes:

Plate body；

Blade, described blade is located on described plate body, and one end of described blade extends adjacent to the center of described plate body and the other end To the edge of described plate body, on direction from inside to outside, described blade is along the circumferential spiral extension of described plate body, described blade Circumferentially spaced multiple including along described plate body；

Cover plate, described cover plate covers on multiple described blades, and described cover plate and described plate body are between the upper and lower every layout, and described cover plate The central through hole corresponding with the center of multiple described blades it is formed with on, and described central through hole and described first air vent phase Right.