CN206371962U - A kind of low provided with motor at lower formula food processor of noise - Google Patents

A kind of low provided with motor at lower formula food processor of noise Download PDF

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Publication number
CN206371962U
CN206371962U CN201621078884.3U CN201621078884U CN206371962U CN 206371962 U CN206371962 U CN 206371962U CN 201621078884 U CN201621078884 U CN 201621078884U CN 206371962 U CN206371962 U CN 206371962U
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China
Prior art keywords
motor
food processor
fan blade
noise
lower formula
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CN201621078884.3U
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Chinese (zh)
Inventor
王旭宁
丁立夫
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Joyoung Co Ltd
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Joyoung Co Ltd
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Abstract

A kind of low provided with motor at lower formula food processor of noise, is related to a kind of food processor.At present, the fan blade of radiator fan is arranged radially, and the noise of fan blade influences very big to complete machine noise.The utility model includes support, the jar above support, the crushing knife located at jar bottom, the motor in support and the radiator fan being connected with motor, described radiator fan is centrifugal fan, it includes the fan blade of circular base plate and the multi-disc arc on chassis, and the direction of fan blade bending is opposite to the direction of rotation.In the technical program, the direction of fan blade bending is opposite to the direction of rotation, effectively reduces blast, reduces the resistance that wind flows in air channel, so as to reach the purpose of noise reduction.

Description

A kind of low provided with motor at lower formula food processor of noise
Technical field
The utility model is related to a kind of food processor, especially a kind of low provided with motor at lower formula food processor of noise.
Background technology
The motor of food processor, rotating speed is often higher, in order to reduce the temperature of motor, often in the output shaft one of motor End is provided with radiator fan, as shown in figure 1, the fan blade of radiator fan is arranged radially, the noise of fan blade influences on complete machine noise It is very big.Particularly more than broken wall cooking machine motor workload rotating speed 14000rpm, no-load speed 30000rpm or so, noise is more Greatly.
Utility model content
The technical problems to be solved in the utility model and propose technical assignment be to prior art carry out improve with Improve there is provided a kind of low provided with motor at lower formula food processor of noise, to reach the purpose of reduction noise.Therefore, this practicality is new Type takes following technical scheme.
A kind of low provided with motor at lower formula food processor of noise, including support, the jar above support, located at stirring The crushing knife of glass bottom, the motor in support and the radiator fan being connected with motor are mixed, described radiator fan is centrifugation Fan, it includes the fan blade of circular base plate and the multi-disc arc on chassis, and the direction of fan blade bending is opposite to the direction of rotation. In the technical program, the direction of fan blade bending is opposite to the direction of rotation, effectively reduces blast, the resistance for making wind be flowed in air channel Power reduces, so as to reach the purpose of noise reduction.
As further improving and supplementing to above-mentioned technical proposal, it is special that the utility model also includes following supplementary technology Levy.
Described fan blade is set in vortex shape.Windage can be further reduced, noise is further reduced.
The air inlet angle of described fan blade is α, wherein 15 °≤α≤45 °.The air inlet angle of fan blade is in air inlet Place, the angle of fan blade tangent line and motor shaft concentric circles tangent line.Air inlet angle is smaller, and noise is smaller, but air quantity is also reduced simultaneously, Influence motor radiating.Air inlet angle is bigger, and air quantity is bigger, and motor radiating effect is good, but noise is bigger.
The air outlet angle of described fan blade is β, wherein 15 °≤β≤45 °.The air outlet angle of fan blade is in air outlet Place, the angle of fan blade tangent line and motor shaft concentric circles tangent line.Air outlet angle is smaller, and noise is smaller, but air quantity is also reduced simultaneously, Influence motor radiating.Air outlet angle is bigger, and air quantity is bigger, and motor radiating effect is good, but noise is bigger.
The no-load speed of the motor is 20000rpm-40000 rpm.
The quantity of described fan blade is 5~8.Blade quantity is reduced, and advantageously reduces noise.
Described fan blade is highly 6~12mm.Highly low, windage is small, and the noise of fan blade is low.
Described fan blade, chassis are formed by high polymer material integrated injection molding.The material of fan blade can use PA6+15%GF, have Certain intensity and toughness.It is lower compared to metal material noise.
Described chassis to set fan blade face relative with motor, its middle part convexes to form connecting portion, and described connecting portion is opened up There is the connecting hole being connected with machine shaft.Connecting portion increases the bonding strength of radiator fan and motor, improves axiality, further Reduce noise.
Described support includes the base positioned at bottom, and support is provided with the fence and the built-in radiation air raised up The spiral case of fan, described motor is in fence, and the bottom surface of described base is provided with the fresh air inlet that is located at outside fence and positioned at enclosing Exhaust vent in column.Fence is set between air outlet and air inlet, prevents the direct air outlet of wind from entering air inlet.Support is provided with The fence raised up, support is integral type structure with fence, simple in construction, it is not necessary to consider the fit clearance of support and fence, Good reliability.
Beneficial effect:
1st, in the technical program, the direction of fan blade bending is opposite to the direction of rotation, effectively reduces blast, makes wind in air channel The resistance of interior flowing reduces, so as to reach the purpose of noise reduction.
2nd, fan blade is set in vortex shape, can further be reduced windage, further be reduced noise.
3rd, fan blade, chassis are formed by high polymer material integrated injection molding.Fan blade has certain intensity and toughness, compared to gold Belong to material noise lower.
4th, support is provided with the fence raised up, and support is integral type structure with fence, simple in construction, it is not necessary to consider machine The fit clearance of seat and fence, working stability, good reliability, and radiating effect is improved simultaneously.
Brief description of the drawings
Fig. 1 is existing cooling fan structure schematic diagram.
Fig. 2 is the utility model structural representation.
Fig. 3 is the first radiator fan main structure diagram of the utility model.
Fig. 4 is second of radiator fan main structure diagram of the utility model.
Fig. 5 is second of radiator fan side structure schematic view of the utility model.
Fig. 6 is the utility model base present invention looks up structural representation.
Fig. 7 is the utility model base dimensional structure diagram.
Fig. 8 is the utility model air flow schematic diagram.
Fig. 9 is the installation diagram of the utility model blower fan and motor.
In figure:1- supports;2- jars;3- crushing knifes;4- radiator fans;401- chassis;402- fan blades;403- connects Socket part;404- evagination arcwall faces;405- concave curved surfaces;5- bases;501- fences;502- spiral cases;503- fresh air inlets;504- Exhaust vent;6- motors;601- upper brackets;602- stator modules;603- rotor assembly;604- lower carriages.
Embodiment
The technical solution of the utility model is described in further detail below in conjunction with Figure of description.
Embodiment one:
As shown in Figure 2,3, the utility model includes support 1, the jar 2 located at the top of support 1, located at the bottom of jar 2 The crushing knife 3 in portion, the motor 6 in support 1 and the radiator fan 4 being connected with motor 6, radiator fan 4 are centrifugal fan, its The fan blade 402 of multi-disc arc including circular base plate 401 and on chassis 401, direction and direction of rotation that fan blade 402 is bent Conversely.
As shown in figure 3, the one side of fan blade 402 be evagination arcwall face 404, fan blade 402 another side be and evagination arcwall face 404 opposite faces are concave curved surface 405, when radiator fan 4 follows the motor 6 to rotate, and windward side is the outer convex of fan blade 402 Face 404.
When radiator fan 4 is to rotate counterclockwise, as shown in Fig. 2 the evagination arcwall face 404 of fan blade 402402 is counterclockwise The concave curved surface 405 of fan blade 402402 is ahead of on direction, hot-air is taken advantage of a situation from evagination arcwall face 404 and throws away, effectively subtract Small blast, reduces the resistance that wind flows in air channel, so as to reach the purpose of noise reduction.
When radiation air is based on rotating clockwise, in order to reduce noise, the shape of fan blade 402 and Fig. 2 shape of fan blade 402 On the contrary, rotating clockwise radiator fan 4, the evagination arcwall face 404 of fan blade 402402 is ahead of wind in the clockwise direction The concave curved surface 405 of leaf 402402, makes hot-air take advantage of a situation from evagination arcwall face 404 and throws away, effectively reduce blast, make wind in wind The resistance flowed in road reduces, so as to reach the purpose of noise reduction.
In the technical program, a piece of fan blade 402 can be all circular arc with full section, or be formed by connecting by circular arc, straight line.
Embodiment two:
As shown in figure 4, being repeated no more with embodiment something in common, difference is:
In order to further reduce noise, fan blade 402 is set in vortex shape, effectively reduces windage.
The air inlet angle of fan blade 402 is α, the air inlet angle [alpha] of fan blade 402:In air inlet, the tangent line of fan blade 402 with The angle of motor shaft concentric circles tangent line is the air inlet angle [alpha] of fan blade 402.In order to take into account radiating effect and noise, fan blade The span of 402 air inlet angle [alpha] is:15°≤α≤35°.When air inlet angle too small, though noise is small, air quantity simultaneously Also small, influence motor 6 radiates.When air inlet angle is excessive, though air quantity is big, the good heat dissipation effect of motor 6, noise is big.
The air outlet angle of fan blade 402 is β, the air outlet angle beta of fan blade 402:At air outlet, the tangent line of fan blade 402 with The angle of motor shaft concentric circles tangent line is the air outlet angle beta of fan blade 402.For the purposes of radiating effect and noise can be taken into account, The span of the air outlet angle beta of fan blade 402 is:15°≤β≤35°.When air outlet angle too small, though noise is small, simultaneously Air quantity is also small, and influence motor 6 radiates.When air outlet angle is excessive, though air quantity is big, the good heat dissipation effect of motor 6, noise is big.
The air outlet angle and air inlet angle of fan blade 402 determine that rotating speed is higher according to the rotating speed of motor 6;The diameter of fan blade 402 Bigger, angle is smaller, in the technical program, and air inlet angle [alpha] is 34.43 °;Air outlet angle beta is 32.15 °.
The no-load speed of motor 6 is 20000rpm-40000 rpm, and the motor 6 of the no-load speed can be broken wall cooking machine Motor etc..
It can be realized to further reduce noise by reducing the modes such as the quantity of fan blade 402, height, improvement material, The quantity of fan blade 402 is 7 in the present embodiment, and the height of fan blade 402 is 9mm, and fan blade 402, chassis 401 are by high polymer material one It is molded.The material of fan blade 402 can use PA6+15%GF, have certain intensity and toughness, compared to metal material noise more It is low.
As shown in figure 5, the bonding strength in order to improve radiator fan 4 and machine shaft, chassis 401 sets fan blade face and electricity Machine 6 is relative, and its middle part convexes to form connecting portion 403, and connecting portion 403 offers the connecting hole being connected with machine shaft.Connecting portion The bonding strength of 403 increase radiator fans 4 and motor 6, improves axiality, further reduces noise.The height of connecting portion 403 can With more than fan height, with the stationarity of further increase rotation.
One end of fan blade 402 is air intake, and the other end is outlet air end, and the air intake of fan blade 402 can be with the phase of connecting portion 403 Connect to increase intensity.
The air intake of fan blade 402 can also be separated with connecting portion 403, as shown in figure 4, to increase air inlet, increase intake, Radiating effect is improved while increase noise is avoided.
Embodiment three:
As shown in Figure 6,7, repeated no more with embodiment something in common, difference is:
Support 1 includes the base 5 positioned at bottom, dissipates effect to improve radiating, support 1 is provided with the fence raised up 501 and the spiral case 502 of the built-in radiator fan 4, motor 6 is in fence 501, and the bottom surface of base 5, which is provided with, is located at fence 501 Outer fresh air inlet 503 and the exhaust vent 504 in fence 501.Fence 501 is set between air outlet and air inlet, wind is prevented Direct air outlet enters air inlet.Support 1 is provided with the fence 501 raised up, and support 1 is integral type structure with fence 501, It is simple in construction, it is not necessary to consider the fit clearance of support 1 and fence 501, working stability, good reliability, and improve radiating effect simultaneously Really.
As shown in figure 8, when radiator fan 4 works, air enters electricity after the entrance of fresh air inlet 503 from the top of fence 501 In machine 6, the bottom of motor 6 then is flowed to from the top of motor 6, is thrown away by fan blade 402, accelerated by the spiral case 502 under base 5, It is thrown to from exhaust vent 504 outside support 1.
As shown in figure 9, motor 6 is connected for convenience, motor 6 includes upper bracket 601, stator module 602, rotor Component 603 and lower carriage 9, motor 604 are vertically provided in the fence 501 of base 5.
A kind of low provided with motor at lower formula food processor of noise shown in figure 1 above -9 is specific implementation of the present utility model Example, has embodied the utility model substantive distinguishing features and progress, can be opened according to actual use needs of the present utility model Under showing, carry out the equivalent modifications in terms of shape, structure to it, this programme protection domain row.

Claims (10)

1. a kind of low provided with motor at lower formula food processor of noise, including support(1), located at support(1)The jar of top (2), located at jar(2)The crushing knife of bottom(3), located at support(1)Interior motor(6)And and motor(6)Connected radiating Fan(4), it is characterised in that:Described radiator fan(4)For centrifugal fan, it includes circular base plate(401)With located at chassis (401)On multi-disc arc fan blade(402), fan blade(402)The direction of bending is opposite to the direction of rotation.
2. a kind of low provided with motor at lower formula food processor of noise according to claim 1, it is characterised in that:Described wind Leaf(402)Set in vortex shape.
3. a kind of low provided with motor at lower formula food processor of noise according to claim 2, it is characterised in that:Described wind Leaf(402)Air inlet angle be α, wherein 15 °≤α≤45 °.
4. a kind of low provided with motor at lower formula food processor of noise according to claim 2, it is characterised in that:Described wind Leaf(402)Air outlet angle be β, wherein 15 °≤β≤45 °.
5. a kind of low provided with motor at lower formula food processor of noise according to claim 1, it is characterised in that:The motor (6)No-load speed be 20000rpm-40000 rpm.
6. a kind of low provided with motor at lower formula food processor of noise according to claim 1, it is characterised in that:Described wind Leaf(402)Quantity be 5~8.
7. a kind of low provided with motor at lower formula food processor of noise according to claim 1, it is characterised in that:Described wind Leaf(402)Highly it is 6~12mm.
8. a kind of low provided with motor at lower formula food processor of noise according to claim 1, it is characterised in that:Described wind Leaf(402), chassis(401)Formed by high polymer material integrated injection molding.
9. a kind of low provided with motor at lower formula food processor of noise according to claim 8, it is characterised in that:Described bottom Disk(401)Set fan blade face and motor(6)Relatively, its middle part convexes to form connecting portion(403), described connecting portion(403)Open Provided with the connecting hole being connected with machine shaft.
10. a kind of low provided with motor at lower formula food processor of noise according to claim 1-9 any one, its feature exists In:Described support(1)Including the base positioned at bottom(5), support(1)Provided with the fence raised up(501)And it is built-in The radiator fan(4)Spiral case(502), described motor(6)Located at fence(501)Interior, described base(5)Bottom surface set Have positioned at fence(501)Outer fresh air inlet(503)And positioned at fence(501)Interior exhaust vent(504).
CN201621078884.3U 2016-09-26 2016-09-26 A kind of low provided with motor at lower formula food processor of noise Active CN206371962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621078884.3U CN206371962U (en) 2016-09-26 2016-09-26 A kind of low provided with motor at lower formula food processor of noise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621078884.3U CN206371962U (en) 2016-09-26 2016-09-26 A kind of low provided with motor at lower formula food processor of noise

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109744903A (en) * 2017-12-05 2019-05-14 九阳股份有限公司 A kind of food processor that noise reduces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109744903A (en) * 2017-12-05 2019-05-14 九阳股份有限公司 A kind of food processor that noise reduces

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