CN207652198U - A kind of food processor of good heat dissipation effect - Google Patents

Abstract

The utility model discloses a kind of food processor of good heat dissipation effect,It include the engine base with motor,The stirring cup being connect with engine base,Crushing knife in stirring cup,The motor shaft upper end of motor is connect with crushing knife,Engine base is equipped with air inlet and air outlet,Engine base limits and air inlet,The heat dissipation wind channel of air outlet connection,The motor cylinder for accommodating motor is equipped in heat dissipation wind channel,The motor cylinder includes stack shell,Cover positioned at the cylinder base of stack shell bottom and at the top of stack shell,The cover is equipped with power supply perforative first axis hole in arbor upper end,The cylinder base is set on engine base and is connected to air outlet,Motor cylinder top is equipped with the communication port being connected to heat dissipation wind channel,The motor shaft lower end is equipped with fan,Fan flows to air outlet after making the air-flow in heat dissipation wind channel enter motor cylinder from top to bottom in the motor operation course.Technical solution according to the present utility model can improve the radiating efficiency of motor, and then increase the service life of motor.

Description

A kind of food processor of good heat dissipation effect

Technical field

The utility model belongs to field of food processing machines more particularly to a kind of food processor of good heat dissipation effect.

Background technology

Existing food processor, such as cooking machine, juice extractor generally include engine base and processing section, electricity are equipped in engine base Machine, to drive processing section to be processed food, and will necessarily persistent fever in the motor course of work, it is therefore desirable to it is right Motor radiates, but the cooling system of existing motor is excessively open so that the pressure difference that electric motor fan exhausting is formed is too small, right The wind speed for the cooling wind that motor radiates is smaller, it is bringing in this way the result is that：1, motor temperature rise is excessively high, influences electrical machinery life； 2 or in order to which motor temperature rise, service life are qualified, expanded motor model or the motor class of insulation is improved, motor cost is caused to increase. It can be seen that the motor radiating effect of existing food processor is very undesirable.

Utility model content

The purpose of this utility model is to provide a kind of food processor of good heat dissipation effect.

In order to solve the above-mentioned technical problem, the utility model provides a kind of food processor of good heat dissipation effect, including tool The engine base for having motor, the stirring cup being connect with engine base, the crushing knife in stirring cup, the motor shaft upper end of motor and crushing knife Connection, engine base are equipped with air inlet and air outlet, and engine base limits the heat dissipation wind channel being connected to air inlet and outlet, radiation air The motor cylinder for accommodating motor is equipped in road, the motor cylinder includes stack shell, positioned at the cylinder base of stack shell bottom and positioned at stack shell The cover at top, the cover be equipped with power supply perforative first axis hole in arbor upper end, the cylinder base be set to engine base on and with go out Air port is connected to, and motor cylinder top is equipped with the communication port being connected to heat dissipation wind channel, and the motor shaft lower end is equipped with fan, described Fan flows to air outlet after making the air-flow in heat dissipation wind channel enter motor cylinder from top to bottom in motor operation course.

Further, the cover covers at the top of stack shell, and the stack shell lateral wall is equipped with limited step, the limit Step is abutted against with cover bottom.

Further, the stack shell lateral wall protrudes outward forms the first guide part, the cover lateral wall opposite sides Protrusion forms the second guide part outward, and second guide part covers on first guide part.

Further, the communication port is located on cover.

Further, the communication port is set to the both ends of cover side wall.

Further, the engine base includes casing and the bottom cover positioned at bottom of shell, and the cylinder base is integrally formed with bottom cover.

Further, the cylinder base is equipped with opening and support base, and the support base is connected with opening, and the motor lower end is set In on support base.

Further, the support base center is equipped with the second axis hole, after the motor shaft lower end passes through the second axis hole It is connect with fan, the fan is located at the lower section of the opening.

Further, the opening upwards extend to form wind-guiding surrounding edge, and the wind-guiding surrounding edge is located at the periphery of motor lower end, The wind-guiding surrounding edge and support base and between form the gap flowed through for air-flow.

Further, the wind-guiding surrounding edge is arranged obliquely upward.

The utility model has the beneficial effects that：

1, motor cylinder includes stack shell, the cover positioned at the cylinder base of stack shell bottom and at the top of stack shell, and cover, which is equipped with, to be supplied Perforative first axis hole in motor shaft upper end, cylinder base are set on engine base and are connected to air outlet, and motor cylinder top is equipped with and radiation air The communication port of road connection, motor shaft lower end are equipped with fan, and fan makes the air-flow in heat dissipation wind channel from upper in motor operation course And air outlet is flowed to after lower entrance motor cylinder, so set, motor cylinder wraps up entire motor in it so that motor generated makes an uproar Sound is isolated, and can play complete machine Noise Reduction, simultaneously because the top of motor cylinder is equipped with cover so that the top of motor cylinder Portion is non-open type, and incoming air area greatly reduces compared with prior art, in this way under conditions of intake is certain, in motor cylinder The flowing velocity of air-flow effectively promoted, the heat being conducive in fast speed belt leakage of electricity machine barrel, and then improve the heat dissipation of motor Efficiency.

2, cover covers at the top of stack shell, and stack shell lateral wall is equipped with limited step, and limited step offsets with cover bottom It connects, in this way by the position-limiting action of limited step, cover can quickly be covered to the top of stack shell, be conducive to the assembly of cover.

3, stack shell lateral wall protrudes outward forms the first guide part, and cover lateral wall opposite sides protrudes formation second outward Guide part, the second guide part cover on the first guide part, and the second guide part is matched with the first guide part, in the assembly of cover Play installation guiding role in journey, further improve the efficiency of assembling of cover, and the first guide part from stack shell lateral wall toward Outer protrusion formation, the second guide part is protruded outward by cover lateral wall opposite sides to be formed, and is easy to be molded, processing cost is low.

4, communication port is located on cover, and in motor operation course, fan makes the air-flow in heat dissipation wind channel from top to bottom Entered after motor cylinder by communication port and flow to air outlet, reduce the incoming air area of motor cylinder in this way, in the certain item of intake Under part, the flowing velocity of the air-flow in motor cylinder is effectively promoted, the heat being conducive in fast speed belt leakage of electricity machine barrel, and then is improved The radiating efficiency of motor.

5, communication port is set to the both ends of cover side wall, and in this way in motor operation course, fan makes in heat dissipation wind channel Air-flow symmetrically enters in motor cylinder from the two side of cover, since air-flow is symmetrically to enter, can ensure to enter electricity The flow direction of air-flow in machine barrel is more smooth, accelerates the flowing velocity of air-flow to a certain extent, is conducive to fast speed belt leakage of electricity machine barrel Interior heat, and then improve the radiating efficiency of motor.

6, engine base includes casing and the bottom cover positioned at bottom of shell, and cylinder base is integrally formed with bottom cover, is conducive to modularization in this way Design, modularization assembling and modularization repair.

7, cylinder base is equipped with opening and support base, and support base is connected with opening, and motor lower end is placed on support base, support base energy Vibrations enough to play supporting role well to motor lower end, that motor operation course can be effectively prevent to generate are conducive to motor and use The raising in service life and lasting normal work, and then radiate to a certain extent conducive to fan normal operation.

8, support base center is equipped with the second axis hole, and motor shaft lower end is connect after passing through the second axis hole with fan, fan Positioned at the lower section of opening, in motor operation course, after fan makes the air-flow in heat dissipation wind channel enter motor cylinder from top to bottom Air outlet is flowed to by opening, fan is located at the lower section of opening conducive to the discharge of motor cylinder interior air-flow, is conducive to quickly take away in this way Heat in motor cylinder, and then improve the radiating efficiency of motor.

9, opening upwards extend to form wind-guiding surrounding edge, and wind-guiding surrounding edge is located at the periphery of motor lower end, wind-guiding surrounding edge and support Seat and between form the gap flowed through for air-flow, the air-flow in motor cylinder flows through gap and connects under the guiding role for being oriented to surrounding edge It and flows to air outlet, be oriented to surrounding edge and play preferable air-flow guiding role, be conducive to the discharge of motor cylinder interior air-flow, be conducive to quick Take away the heat in motor cylinder.

10, wind-guiding surrounding edge is arranged obliquely upward, forms closing-in structure in this way so that the negative pressure value formed in the unit interval compared with Height, and then ensure the speed of the air-flow of opening flowing, convection effects are good, are conducive to motor radiating.

Description of the drawings

Attached drawing is used for providing further understanding technical solutions of the utility model, and a part for constitution instruction, With for explaining the technical solution of the utility model, do not constituted to the utility model technology together with the embodiments of the present invention The limitation of scheme.

Fig. 1 is the structural schematic diagram of the utility model embodiment one；

Fig. 2 is the structural schematic diagram of spiral case and circulation bend in the utility model embodiment one；

Fig. 3 is base inner structural schematic diagram in the utility model embodiment two；

Fig. 4 is the structural schematic diagram of spiral case and circulation bend in the utility model embodiment two；

Fig. 5 is the structural schematic diagram of motor cylinder and bottom cover in the utility model embodiment three；

Fig. 6 is the sectional view of Fig. 5；

Fig. 7 is the explosive view of motor cylinder in Fig. 5；

Fig. 8 is the structural schematic diagram of spiral case in the utility model embodiment four；

Fig. 9 is base inner structural schematic diagram in the utility model embodiment five；

Figure 10 is the structural schematic diagram of spiral case in Fig. 9, noise-reducing structure and the bend that circulates；

Figure 11 is the noise reduction datagram of noise-reducing structure in the utility model embodiment five；

Figure 12 is the noise reduction datagram of the food processor of the utility model embodiment five.

Specific implementation mode

The embodiments of the present invention are described in detail below in conjunction with attached drawing.It should be noted that not rushing In the case of prominent, the feature in the embodiments of the present invention and embodiment mutually can be combined arbitrarily.

The structure of the food processor of the utility model is as shown in Figures 1 to 10, which includes engine base 1 and stir Cup 2 is mixed, motor 3 and wiring board are equipped in engine base 1（It is not shown in figure）, stirring cup 2 includes cup set on 1 top of engine base, stirring cup 2 Lid 4 and cup body 5, cup body 5 is glass and carries handle, and cup lid 4 and cup body 5 surround to form comminuting space, and powder is equipped in cup body 5 7 upper end of motor shaft of broken knife 6, motor 3 is connect with crushing knife 6, is connected between the two by shaft coupling, and shaft coupling includes upper shaft coupling Device（It is not shown in figure）And lower coupler（It is not shown in figure）, upper coupling connect with the cutter shaft of crushing knife 6, lower coupler and electricity 7 upper end of arbor connects, and after stirring cup 2 is placed on engine base 1 in place, upper coupling and lower coupler are connected so that motor 3 The crushing knife 6 can be driven to be rotated with crashing food in comminuting space.

Engine base 1 is equipped with air inlet 8 and air outlet 9, and air outlet 9 is located at 1 lower section side of engine base, and engine base 1 is limited and entered the wind The heat dissipation wind channels 10 of 8 connection of mouth, 7 lower end of motor shaft are equipped with fan 11, and 1 bottom of engine base is equipped with the spiral case being connected to heat dissipation wind channel 10 12, spiral case 12 is located at the periphery of fan 11, and during motor 3 is run, fan 11 sucks external wind from air inlet 8 to be dissipated In the passage of heat 10, and the air-flow in heat dissipation wind channel 10 is driven to flow to air outlet 9 from spiral case 12, so realize engine base 1 in motor 3 with And the heat dissipation of wiring board, circulation bend 13 is equipped between spiral case 12 and air outlet 9 so that the air-flow in engine base 1 is via spiral case Before 12 flow to air outlet 9, it is necessary to first pass through the circulation bend 13, often carry motor 3 in air-flow secretly and fan 11 generates Noise, and during noise is propagated in the bend 13 that circulates, can interfere, can mutually weaken in the bend 13 that circulates A part of noise, to play the role of noise reduction.

Embodiment one：

As depicted in figs. 1 and 2, the food processor of the present embodiment includes engine base 1 and stirring cup 2, and motor is equipped in engine base 1 3 and wiring board（It is not shown in figure）, for stirring cup 2 set on 1 top of engine base, stirring cup 2 includes cup lid 4 and cup body 5, and cup body 5 is glass Glass cup simultaneously carries handle, and cup lid 4 and cup body 5 surround to form comminuting space, and crushing knife 6, the motor shaft 7 of motor 3 are equipped in cup body 5 Upper end is connect with crushing knife 6, is connected between the two by shaft coupling, and shaft coupling includes upper coupling（It is not shown in figure）And the second line of a couplet Axis device（It is not shown in figure）, upper coupling connect with the cutter shaft of crushing knife 6, and lower coupler is connect with 7 upper end of motor shaft, works as stirring After cup 2 is placed on engine base 1 in place, upper coupling and lower coupler are connected so that motor 3 can drive the crushing knife 6 in powder Rotation is with crashing food in broken space.

Engine base 1 is equipped with air inlet 8 and air outlet 9, which includes casing 27 and the bottom cover 28 positioned at 27 bottom of casing, Casing 27 and bottom cover 28 surround to form heat dissipation wind channel 10, and air inlet 8 and air outlet 9 are set on bottom cover 28, and and heat dissipation wind channel 10 connections, the interior motor cylinder 18 being equipped with for accommodating motor 3 of heat dissipation wind channel 10, motor cylinder 18 is open type, the motor shaft of motor 3 7 lower ends are equipped with fan 11, and 1 bottom of engine base is equipped with the spiral case 12 being connected to heat dissipation wind channel 10, and spiral case 12 is set on bottom cover 28 and position In the bottom of motor cylinder 18, heat dissipation wind channel 10 is connected to by motor cylinder 18 with spiral case 12, and spiral case 12 is located at the periphery of fan 11, in electricity During machine 3 is run, fan 11 sucks external wind from air inlet 8 in heat dissipation channel 10, and drives in heat dissipation wind channel 10 Air-flow flow to air outlet 9 through motor cylinder 18 and spiral case 12 successively, so realize engine base 1 in motor 3 and wiring board heat dissipation, Circulation bend 13 is equipped between spiral case 12 and air outlet 9 so that air-flow in engine base 1 via spiral case 12 flow to air outlet 9 it Before, it is necessary to first to pass through the circulation bend 13, often carry the noise that motor 3 and fan 11 generate in air-flow secretly, and noise exists During being propagated in circulation bend 13, it can be interfered in the bend 13 that circulates, can mutually weaken a part of noise, to Play the role of noise reduction,

The arc length of bend 13 of circulating is L1, and the arc length of spiral case 12 is L2, and L1/L2=0.7 in the present embodiment can obviously carry Noise reduction is risen, and the arc length L1 for the bend 13 that will not cause to circulate is excessive and increase cost and be limited to the limited space of engine base And it is difficult to dispose.There is circulation bend 13 first connection end 14 to be connected to end 15 with second, and the first connection end 14 is connect with spiral case 12, Second connection end 15 is connect with air outlet 9, and spiral case 12 includes spiral case substrate 37 and extends outwardly from the inner end of spiral case substrate 37 Extension board 38, between spiral case substrate 37 and extension board 38 formed a notch, the notch formed outlet air end 36, outlet air end 36 with First connection end 14 connects.During motor 3 is run, external wind is sucked heat dissipation channel 10 by fan 11 from air inlet 8 It is interior, and drive the air-flow in heat dissipation wind channel 10 to enter 18 pairs of motors 3 of motor cylinder and radiate, then air-flow enters spiral case 12 and passes through Outlet air end 36 circulate bend 13 first connection end 14, due to first connection end 14 and second be connected to end 15 between circulation The presence of bend 13, therefore air-flow can be made to be interfered during flowing to the second connection end 15 by the first connection end 14, A part of noise being mingled in air-flow can mutually be weakened in this way, to play the role of noise reduction, motor 3 in the present embodiment No-load speed is 20000r/min, and noise is smaller when motor 3 is run.

It should be understood that the value of L1/L2 can also be 0.5 or 0.8 or 1.3 or 1.5 or 1.7 or 2, as long as meeting 0.5 ≤ L1/L2≤2, the bigger noise reduction of the value of L1/L2 is more apparent within this range.

It should be understood that air inlet 8 can be set on casing 27, air inlet purpose can also be realized, and be avoided that air inlet It is interfered with the outlet air at air outlet 9.

Embodiment two：

The difference between this embodiment and the first embodiment lies in circulation bend is variable cross-section bend, it, should in conjunction with shown in Fig. 3 and Fig. 4 Circulation bend 13 is variable cross-section bend, and variable cross-section bend can weaken acoustic reactance and carry out noise reduction, and can weaken the sound intensity of noise, sound It is one kind of noise energy parameter by force, is conducive to noise reduction in this way, and to be additionally favorable for noise continuous anti-in bend for variable cross-section bend It penetrates, to reinforce interfering for noise, more conducively weakens noise, improve user experience, the radial section of the circulation bend 13 End 15 is connected to by the variation once changed from small to big again from large to small from the first connection end 14 to the second, and first is connected at end 14 The radial section that radial section size is connected to second at end 15 is equal in magnitude and minimum, and the first connection end 14 is connected to end with second The radial section of the circulation bend 13 in 15 centre positions is maximum, and the radial section for the bend 13 that circulates so was gradually increased by minimum before this It adds to maximum and minimum is gradually decrease to by maximum again, be arranged such so that noise can pass through in circulation bend 13 once first to be released The decaying regathered is put, noise is more conducively weakened, noise reduction becomes apparent.

First connection end 14 is connect with 12 rounding off of spiral case, and acclivitous guide surface is equipped at the first connection end 14 16 so that expand suddenly in the section at the first connection end 14 so that the mutation of acoustic impedance occurs at this for the sound wave of certain frequencies, To achieve the purpose that noise elimination, the second connection end 15 are connect with 9 rounding off of air outlet, it is equipped with and dips down at the second connection end 15 Oblique guide surface 16 so that the section sudden contraction at the second connection end 15 so that the sound wave of certain frequencies generation sound at this The mutation of impedance is equipped with acclivitous guide surface 16 to achieve the purpose that noise elimination moreover, first is connected at end 14, will The guide surface 16 that tilts down is equipped at second connection end 15, such expansion and one shrink, conducive to noise carry out release and Decaying is collected, the energy jump of noise can be reduced, reach noise reduction purpose.

Exhaust bend 17 is equipped between second connection end 15 and air outlet 9, the radial section of exhaust bend 17 gradually increases, And connect with circulation 13 rounding off of bend, exhaust bend 17 is connected between circulation bend and air outlet 9 in this way, it can be right The air-flow that bend 13 flows out that circulates carries out noise reduction process again, to collect and discharge again decaying to the noise sound intensity, The energy jump of noise is reduced, reaches noise reduction purpose, and since the radial section of exhaust bend 17 gradually increases, be also conducive to make an uproar Sound constantly reflects in exhaust bend to reinforce interfering for noise, therefore can reach the effect for weakening noise.

3 rotating speed of motor is higher, and the noise of generation is bigger, and the no-load speed of motor 3 is 25000r/min in the present embodiment, this In no-load speed refer to motor idle running rotating speed.Due to being equipped with circulation bend 13 between spiral case 12 and air outlet 9, ensure to dissipate The air-flow of hot-flow flue 10 has to, by the bend 13 that circulates, and L1/L2=1, increase before flowing to air outlet 9 via spiral case 12 The circulation path of air-flow weakens the noise of air-flow entrainment, it is thus possible to meet the no-load speed of the present embodiment motor 3 significantly For 25000r/min so that food processor can achieve the effect that high speed crushes, and then food can reach the standard of broken wall, Easily it is absorbed by the body.Circulation bend 13 has been substantially increased the circulation path of air-flow, and circulation bend 13 is arc, is conducive to reduce steam whistle The radian measure beta of noise, the circulation bend 13 is 135 °, can ensure to obtain during noise is propagated in the bend 13 that circulates effectively Weaken, the radian for the bend 13 that theoretically circulates is the bigger the better, and is more conducive to noise reduction in this way, but it can be limited by engine base size System.

It should be understood that the radian measure beta of circulation bend 13 can also be 60 ° or 80 ° or 100 ° or 120 ° or 150 ° or 170 ° Or 180 °, as long as being not less than 60 °, can ensure effectively to be weakened during noise is propagated in the bend 13 that circulates, The bigger noise reduction of radian of circulation bend 13 is more apparent, but its size can be limited by engine base size.

It should be understood that the radial section of circulation bend 13 at least only passes through once from the first connection end to the second connection end The variation changed from small to big not only is easy to be molded in this way, but also can realize the purpose of variable cross-section, and then meets noise reduction requirement.

The present embodiment other structures and advantageous effect are identical as embodiment one, and details are not described herein.

Embodiment three：

Difference lies in the structures of motor cylinder 18 for the present embodiment and embodiment one and embodiment two：In conjunction with Fig. 5 to Fig. 7 institutes Show, cylinder base 20 of the motor cylinder 18 including stack shell 19, positioned at 19 bottom of stack shell and the cover 21 positioned at 19 top of stack shell, on cover 21 Equipped with power supply perforative first axis hole 22 in 7 upper end of arbor, 7 upper end of motor shaft is connect after passing through the first axis hole 22 with crushing knife 6, this The no-load speed of motor 3 is 30000r/min in embodiment, and 3 upper end of motor is equipped with electric machine support, and electric machine support is placed in stack shell 19 19 top of stack shell is simultaneously fixed in top positioned at 21 lower section of cover, cover 21 and electric machine support by fastener.Cylinder base 20 is set to machine It is connected on seat 1 and with air outlet 9, is connected between the two by spiral case 12,18 top of motor cylinder is equipped with and is connected to heat dissipation wind channel 10 Communication port 23, after fan 11 in 3 operational process of motor is so that the air-flow in heat dissipation wind channel 10 enters motor cylinder 18 from top to bottom Air outlet 9 is flowed to, so set, motor cylinder 18 wraps up entire motor 3 in it so that the noise that motor 3 generates has been isolated Come, complete machine Noise Reduction can be played, simultaneously because the top of motor cylinder 18 is equipped with cover 21 so that the top of motor cylinder 18 is Non- open type, compared with prior art incoming air area greatly reduce, in this way under conditions of intake is certain, in motor cylinder 18 The flowing velocity of air-flow is effectively promoted, the heat being conducive in fast speed belt leakage of electricity machine barrel 18, and then improves the heat dissipation of motor Efficiency, though it is preferable if the heat dissipation effect of motor when motor 3 is run with no-load speed for 30000r/min standards, and will not produce Raw excessive noise.

In the present embodiment, cover 21 covers at the top of stack shell 19, and 19 lateral wall of stack shell is equipped with limited step 24, limit Step 24 is abutted against with 21 bottom of cover, in this way by the position-limiting action of limited step 24, can quickly be covered at cover 21 The top of stack shell 19 is conducive to the assembly of cover 21.19 lateral wall of stack shell protrudes outward forms the first guide part 25,21 outside of cover Wall opposite sides is protruded outward forms the second guide part 26, and the first guide part 25 is bulge-structure, and the second guide part 26 is recess Structure so that the second guide part 26 can cover on the first guide part 25, and the second guide part 26 is matched with the first guide part 25, Installation guiding role is played in the assembling process of cover 21, further improves the efficiency of assembling of cover, and the first guide part 25 are protruded by 19 lateral wall of stack shell and are formed outward, and the second guide part is protruded outward by 21 lateral wall opposite sides of cover to be formed, easily In molding, processing cost is low.

Communication port 23 is located on cover 21, and in motor operation course, fan 11 makes the air-flow in heat dissipation wind channel 10 certainly It is upper and it is lower motor cylinder 18 is entered by communication port 23 after flow to air outlet 9, reduce the incoming air area of motor cylinder 18 in this way, into Under conditions of air quantity is certain, the flowing velocity of the air-flow in motor cylinder 18 is effectively promoted, and is conducive in fast speed belt leakage of electricity machine barrel Heat, and then improve the radiating efficiency of motor, specifically, communication port 23 is set to the both ends of 21 side wall of cover, in this way in electricity In machine operational process, flow direction shown in arrow, fan 11 make the air-flow in heat dissipation wind channel 10 from cover 21 referring to figure 5 and figure 6 Two side symmetrically enters in motor cylinder 18, since air-flow is symmetrically to enter, can ensure to enter in motor cylinder 18 The flow direction of air-flow is more smooth, accelerates the flowing velocity of air-flow to a certain extent, the heat being conducive in fast speed belt leakage of electricity machine barrel 18 Amount, and then improve the radiating efficiency of motor 3.Engine base 1 includes casing 27 and the bottom cover 28 positioned at 27 bottom of casing, 27 He of casing Bottom cover 28 surrounds to form heat dissipation wind channel 10, and cylinder base 20 is set on bottom cover 28 and is integrally formed with bottom cover 28, is conducive to modularization in this way Design, modularization assembling and modularization repair, air inlet 8 and air outlet 9 are respectively positioned on bottom cover 28, and positioned at the outer of cylinder base 20 It encloses.

Cylinder base 20 is equipped with opening 29 and support base 30, is connected by connection strap 31 between support base 30 and opening 29, connects 31 one end of item is connect with support base 30, and the other end is connect with 29 edges of opening, and 3 lower end of motor is placed on support base 30, support base 30 centers are equipped with the second axis hole 32, and 7 lower end of motor shaft is connect after passing through the second axis hole 32 with fan 11, and support base 30 can Supporting role well is played to 3 lower end of motor, the vibrations that 3 operational process of motor can be effectively prevent to generate are conducive to motor 3 and use The raising in service life and lasting normal work, and then radiate to a certain extent conducive to fan 11 normal operation, fan 11, which is located at, to be opened The lower section of mouth 29, in 3 operational process of motor, fan 11 is so that the air-flow in heat dissipation wind channel 10 enters motor cylinder 18 from top to bottom Air outlet 9 is flowed to by opening 29 afterwards, fan 11 is located at the lower section of opening 29 conducive to the discharge of 18 interior air-flow of motor cylinder, in this way profit Heat in fast speed belt leakage of electricity machine barrel 18, and then improve the radiating efficiency of motor 3.Opening 29, which upwardly extends, to be formed wind-guiding and encloses Side 33, wind-guiding surrounding edge 33 be located at the periphery of 3 lower end of motor, wind-guiding surrounding edge 33 and support base 30 and between formed and flowed through for air-flow Gap 34, the air-flow in motor cylinder 18 flow through gap 34 and then flow to air outlet 9, lead under the guiding role of wind-guiding surrounding edge 33 Wind surrounding edge 33 plays preferable air-flow guiding role, is conducive to the discharge of 18 interior air-flow of motor cylinder, is conducive to fast speed belt leakage of electricity machine barrel Heat in 18, wind-guiding surrounding edge 33 are arranged obliquely upward, form closing-in structure in this way so that the negative pressure value formed in the unit interval It is higher, and then ensure the speed of the air-flow flowed at opening 29, convection effects are good, are conducive to motor 3 and radiate.

It should be understood that cylinder base 20 can also be with 28 split type connection of bottom cover.

The present embodiment other structures and advantageous effect are same as the previously described embodiments, and details are not described herein.

Example IV：

Difference lies in the structures of spiral case with embodiment three for the present embodiment, and in conjunction with shown in Fig. 8, spiral case 12 is helical form, is prolonged It stretches plate 38 to extend spirally outward from the inner end of spiral case substrate 37, the air-flow flowed out from spiral case outlet air end 36 can be in extension board 38 Guiding role under smoothly flow out, be conducive to the quick flowing of air-flow in this way, and then be conducive to rapid cooling, and spiral helicine spiral case energy Steam whistle noise that is enough quickly to export air-flow, while being generated conducive to reduction fan.

The no-load speed of motor is 35000r/min in the present embodiment, due to the setting of above-mentioned spiral case 12 so that fan produces Noise is smaller when raw air-flow is exported through spiral case 12 rapidly, and quickly export can accelerate the heat dissipation of motor to air-flow.In spiral case 12 The heart is equipped with the through-hole 35 that 7 lower end of power supply arbor passes through, and 7 lower end of motor shaft is connect after passing through through-hole 35 with fan 11, spiral case 12 Radius is R1, and the radius of fan 11 is R2, R1/R2 1.1, meets 1.02≤R1/R2≤1.15, is arranged such so that spiral case The 12 Negative Pressure Difference biggers formed, exhausting wind speed bigger improve exhausting effect, and then improve the stream of 10 interior air-flow of heat dissipation wind channel Dynamic speed, is conducive to rapid cooling.Through-hole 35 forms the air intake of spiral case 12 and the inner end positioned at spiral case 12, outlet air end 36 are located at snail The outer end of shell 12, outlet air end 36 are not to be arranged in the same direction with air outlet 9, are connected between the two by the bend 13 that circulates, to increase gas The circulation path of stream.

It should be understood that the value of R1/R2 can also be 1.02 or 1.05 or 1.08 or 1.11 or 1.13 or 1.15, as long as Meet 1.02≤R1/R2≤1.15, the smaller suction pressure of value of R1/R2 is bigger, and the speed of air-flow is higher.

The present embodiment other structures and advantageous effect are identical as embodiment three, and details are not described herein.

Embodiment five：

Difference lies in noise-reducing structures for the present embodiment and example IV, in conjunction with shown in Fig. 9 and Figure 10, the fan of the present embodiment 11 periphery be equipped with noise-reducing structure 39, noise-reducing structure 39 be arranged between outlet air end 36 and air outlet 9, fan 11 by external wind from into It is sucked in heat dissipation wind channel 10 at air port 8, and the air-flow in heat dissipation wind channel 10 is driven to enter spiral case 12, and through 39 noise reduction of noise-reducing structure After flow to air outlet 9, from spiral case 12 flow out air-flow speed it is still higher, can also have steam whistle noise, noise-reducing structure 39 The sound wave of air-flow can constantly be absorbed by being arranged, and effectively reduce steam whistle noise, good muffling effect.

In the present embodiment, cylinder base 20 includes cylinder base bottom wall and cylinder base side wall 41, and noise-reducing structure 39 is located at cylinder base side wall 41 In enclose, such air-flow after 39 noise reduction of noise-reducing structure by cylinder base side wall 41 reflect and be oriented to air outlet 9, noise-reducing structure 39 is adopted With porous plate noise elimination noise reduction structure, effectively to reduce by 36 injection noise of outlet air end of spiral case 12.

The noise-reducing structure 39 includes the first acoustical panel, and extension board 38 is equipped with the first bloop 42, and extension board 38 forms the One acoustical panel, the first acoustical panel with the first bloop 42 can absorb the noise being mingled in air-flow, noise be greatly reduced, this prolongs It is arc to stretch plate 38, and the setting of arc to interfere between air-flow, can mutually weaken a part of noise in this way, be more advantageous to The promotion of noise reduction dynamics.

To further increase erasure effect, noise-reducing structure 39 further includes the second acoustical panel 43 and the first noise reduction region 44, and Two acoustical panels 43 are arranged in the first acoustical panel i.e. periphery of extension board 38, and the second acoustical panel 43 is equipped with the second bloop 45, the Gap between one acoustical panel, that is, extension board 38 and the second acoustical panel 43 forms the first noise reduction region 44, carries the second bloop 45 The second acoustical panel 43 and the first acoustical panel and the second acoustical panel between gap formed the first noise reduction region 44 all have Absorb noise function so that air-flow after 38 noise reduction of the first acoustical panel, that is, extension board again successively through 43 He of the second acoustical panel First noise reduction region 44 carries out noise reduction process, which is arc, and the setting of arc makes mutually dry between air-flow It relates to, can mutually weaken a part of noise in this way, be more advantageous to the promotion of noise reduction dynamics.

Further to walk raising erasure effect, noise-reducing structure 39 further includes third acoustical panel 46 and the second noise reduction region 47, and Three acoustical panels 46 are arranged in the periphery of the second acoustical panel 43, and third acoustical panel 46 is equipped with third bloop 48, the second acoustical panel Gap between 43 and third acoustical panel 46 forms the second noise reduction region 47, the third acoustical panel 46 with third bloop 48 with And the second noise reduction region 47 that the second gap between acoustical panel and third acoustical panel is formed all has the function of absorbing noise, makes It obtains air-flow and is carrying out noise reduction through third acoustical panel 46 and the second noise reduction region 47 successively again after 44 noise reduction of the first noise reduction region Processing, the third acoustical panel 46 are arc, and the setting of arc to interfere between air-flow, can mutually weaken a part in this way Noise is more advantageous to the promotion of noise reduction dynamics, and cylinder base side wall 41 is solid sound panel, is last one of noise reduction of noise-reducing structure 39 Structure, it can completely separate the noise source finally propagated.

In order to have noise reduction step by step to improve erasure effect, the aperture of the second bloop 45 is less than the hole of the first bloop 42 Diameter, the aperture of third bloop 48 are not more than the aperture of the second bloop 45, and aperture is smaller, and lower noise is bigger, and such first Acoustical panel, that is, extension board 38 carries out primary noise reduction, the noise-reducing structure after the first acoustical panel, that is, extension board 38 carry out it is secondary or even Advanced noise reduction, such good muffling effect, 48 aperture of third bloop in the present embodiment are equal to the aperture of the second bloop 45, First noise reduction region 44 is less than the second noise reduction region 47 so that the noise reduction dynamics in the second noise reduction region 47 is more than the first noise reduction region 44 noise reduction dynamics should be depending on concrete structure as specific size to improve erasure effect.Here, the first acoustical panel is formed Level-one noise-reducing structure, the second acoustical panel and the first noise reduction region form two level noise-reducing structure, third acoustical panel and the second noise reduction area Domain forms three-level noise-reducing structure, and referring to Figure 11, noise disappears level-one noise-reducing structure, two level noise-reducing structure and three-level noise-reducing structure It is reduced gradually under sound effect, is reduced to 5 decibels by original 30 decibels, erasure effect is splendid, the sky of the motor 3 of the present embodiment Idling speed is 40000r/min, and the noise of generation is small.

The spiral case 12 of the present embodiment extends spirally to form circulation coaming plate 49, circulation coaming plate 49 and 38 round and smooth mistake of extension board outward Connection is crossed, circulates and forms aforementioned circulation bend 13 between coaming plate 49 and volute outer wall, volute outer wall and circulation 49 inner wall of coaming plate point Not She You first reflection muscle 50 and second reflect muscle 51, first reflection muscle 50 and second reflect muscle 51 play sound wave reinforce reflection, The effect of interference makes noise interfere weakening, reaches noise reduction purpose, and the first reflection muscle 50 and second reflects muscle 51 and staggeredly sets It sets, it is more reasonable to be arranged in this way, is more advantageous to the reflection and interference for reinforcing sound wave so that the dynamics bigger that noise mutually weakens, Noise reduction becomes apparent.

The food processor of the present embodiment has preferable noise reduction and heat dissipation effect, in food processor operational process In, the driving of motor 3 crushing knife 6 is rotated in comminuting space with crashing food, at the same time 3 driving fan 11 of motor rotation, Fan 11 sucks external wind from air inlet 8 in heat dissipation channel 10, and the air-flow in heat dissipation wind channel 10 is driven to pass through communication port 23 motors 3 entered in 18 pairs of the motor cylinder motor cylinder 18 from top to bottom radiate, and entire motor 3 is wrapped up it by motor cylinder 18 It is interior so that the noise that motor 3 generates is isolated, and complete machine Noise Reduction can be played, simultaneously because the top of motor cylinder 18 Equipped with cover 21 so that the top of motor cylinder 18 is non-open type, but is entered the wind by communication port 23, compared with prior art into Wind area greatly reduces, and in this way under conditions of intake is certain, the flowing velocity of the air-flow in motor cylinder 18 is effectively carried It rises, the heat being conducive in fast speed belt leakage of electricity machine barrel 18, and then improves the radiating efficiency of motor；Then the air-flow in motor cylinder 18 Enter spiral case 12 by the opening 29 of cylinder base 20, since spiral case 12 is helical form, can air-flow quickly be imported into outlet air end 36, it is conducive to the raising of air flow rate with rapid cooling, while being additionally favorable for reducing the steam whistle noise that fan generates；Then air-flow Noise-reducing structure 39 can be flowed through, noise-reducing structure 39 is porous plate noise elimination noise reduction structure, and air-flow is successively through the first acoustical panel, the first noise reduction Region, the second acoustical panel, the second noise reduction region and third acoustical panel carry out gradual noise reduction processing, and noise-reducing structure 39 is high-speed flow Noise reduction area has used dissipative muffler design principle, is constantly absorbed to the sound wave of air-flow, and gradually decays or sound wave is transferred to people The insensitive frequency range close to ultrasonic wave of ear carrys out noise reduction, since the frequency range that dissipative muffler is eliminated the noise is wider, to all The noise of frequency has the effect of noise reduction, and sound deadening capacity is big；The air-flow handled by 39 noise reduction of noise-reducing structure can circulate curved Road 13, circulation bend 13 are variable cross-section bend, on the one hand can play the role of release to noise source sound intensity energy and weaken, the sound intensity is sound The parameter of sound energy, the sound intensity, which reduces noise, to become smaller, and on the other hand can reduce the speed of air-flow, and the speed of air-flow becomes smaller , not will produce additional siren noise and resonance noise, bend 13 two side of circulating in addition is additionally provided with the first reflection muscle 50 and the Two reflection muscle 51, the first reflection muscle 50 and second reflect muscle 51 and play the role of sound wave reinforcement reflection, interference, keep noise mutually dry It relates to and slackens, play Noise Reduction, circulation bend 13 is reactive muffler design, does not fill any sound-absorbing material inside it, mainly It is eliminated the noise by changing duct cross-section product to weaken acoustic reactance, it is primarily directed to the noise of low and medium frequency, and it is curved to circulate Road 13 can also be greatly lowered air velocity so that air-flow not will produce additional siren noise and resonance noise；Air-flow passes through Circulation bend 13 subsequently enter exhaust bend 17, exhaust bend 17 be also reactive muffler design, it be to the noise sound intensity again It is primary to collect and discharge decaying, the energy jump of noise is reduced, achievees the purpose that noise reduction, air-flow are finally dropped through being vented bend 17 The discharge of air outlet 9 is flowed to after making an uproar, referring to Figure 12, air-flow passes sequentially through noise-reducing structure 39, circulation bend 13 after the outflow of spiral case 12 With the noise reduction process in 17 3 noise reduction areas of exhaust bend, noise-reducing structure 39 forms high-speed flow noise reduction area, the circulation formation of bend 13 Intermediate frequency air-flow noise-reducing area, and be vented bend 17 and form reinforcement noise reduction area i.e. noise reduction area again so that the high frequency in air-flow and intermediate frequency Noise obtains effective noise reduction so that the noise that motor 3 and fan 11 itself generate is lowered to ideal minimum value, theoretically may be used 20 to 30 decibels of drop, and the structure of motor cylinder 18 and spiral case 12 can promote the flowing velocity of air-flow, accelerate food processor Complete machine heat dissipation, can also reach noise reduction purpose simultaneously.

It should be understood that message structure 39 further includes the 4th acoustical panel or even more acoustical panels, they are arranged in third The periphery of acoustical panel, and be arranged outward from interior successively, yet further to promote erasure effect.

The present embodiment other structures and advantageous effect are identical as example IV, and details are not described herein.

As described above, the only preferred embodiment of the utility model not is used for limiting the reality of the utility model Apply range, i.e., it is all according to equivalent changes and modifications made by the utility model, it is all that the utility model claims range is covered, Here it no longer illustrates one by one.

Claims (10)

1. a kind of food processor of good heat dissipation effect, include engine base with motor, the stirring cup that is connect with engine base, set on stirring The crushing knife in cup is mixed, the motor shaft upper end of motor is connect with crushing knife, and engine base is equipped with air inlet and air outlet, and engine base limits Go out the heat dissipation wind channel being connected to air inlet and outlet, the motor cylinder for accommodating motor is equipped in heat dissipation wind channel, feature exists In the motor cylinder includes stack shell, the cover positioned at the cylinder base of stack shell bottom and at the top of stack shell, and the cover, which is equipped with, to be supplied Perforative first axis hole in motor shaft upper end, the cylinder base are set on engine base and are connected to air outlet, and motor cylinder top is equipped with The communication port being connected to heat dissipation wind channel, the motor shaft lower end are equipped with fan, and fan to radiate in the motor operation course Air-flow in air duct flows to air outlet after entering motor cylinder from top to bottom.

2. food processor according to claim 1, which is characterized in that the cover covers at the top of stack shell, described Stack shell lateral wall is equipped with limited step, and the limited step is abutted against with cover bottom.

3. food processor according to claim 1, which is characterized in that the stack shell lateral wall protrudes formation first outward Guide part, the cover lateral wall opposite sides is protruded outward forms the second guide part, and second guide part covers at described On first guide part.

4. food processor according to claim 1, which is characterized in that the communication port is located on cover.

5. food processor according to claim 4, which is characterized in that the communication port is set to the both ends of cover side wall.

6. food processor according to claim 1, which is characterized in that the engine base include casing and be located at bottom of shell Bottom cover, the cylinder base and bottom cover are integrally formed.

7. food processor according to claim 1, which is characterized in that the cylinder base is equipped with opening and support base, described Support base is connected with opening, and the motor lower end is placed on support base.

8. food processor according to claim 7, which is characterized in that the support base center is equipped with the second axis Hole, the motor shaft lower end are connect after passing through the second axis hole with fan, and the fan is located at the lower section of the opening.

9. food processor according to claim 7, which is characterized in that the opening upwards extend to form wind-guiding surrounding edge, The wind-guiding surrounding edge be located at the periphery of motor lower end, the wind-guiding surrounding edge and support base and between form the sky that is flowed through for air-flow Gap.

10. food processor according to claim 9, which is characterized in that the wind-guiding surrounding edge is arranged obliquely upward.