CN109730551A - A kind of low noise food processor - Google Patents
A kind of low noise food processor Download PDFInfo
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- CN109730551A CN109730551A CN201810218286.9A CN201810218286A CN109730551A CN 109730551 A CN109730551 A CN 109730551A CN 201810218286 A CN201810218286 A CN 201810218286A CN 109730551 A CN109730551 A CN 109730551A
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Abstract
The invention discloses a kind of low noise food processor, including the base with motor and wiring board, the stirring cup being connect with base, crushing knife in stirring cup, base includes casing, top cover and bottom cover, bottom cover is equipped with air inlet and exhaust outlet, motor is located in casing, the motor shaft upper end of motor is connect with crushing knife, motor shaft lower end is equipped with exhaust fan, exhaust hood is equipped at exhaust outlet, exhaust hood includes bottom wall and side wall, the side wall of exhaust hood is equipped with vent, bottom cover is equipped with ventilating duct, ventilating duct includes the first annular wall being arranged from outside to inside and the second annular wall, the upper end of first annular wall covers at exhaust fan periphery, the lower end of first annular wall is connected to exhaust outlet, the upper port of second annular wall is closed, annular air-guiding aisle is formed between first annular wall and the second annular wall, wind deflector is equipped in annular air-guiding aisle.According to the technique and scheme of the present invention, it can be avoided the direct frontal impact table top of air-flow and cause noise.
Description
Technical field
The invention belongs to food processing field more particularly to a kind of low noise food processor.
Background technique
Existing food processor generally includes base and stirring cup, motor is equipped in base, to drive the powder in stirring cup
Broken knife is processed the food in stirring cup, and in the motor course of work will necessarily persistent fever, therefore existing food
Processing machine is generally equipped with radiator structure, is radiated by radiator structure realization to the cavity that base limits, but this
The outlet air of cooling mechanism is outlet air directly down, therefore air-flow is easy impact table top and generates biggish noise.
Summary of the invention
The purpose of the present invention is to provide a kind of low noise food processor.
In order to solve the above technical problem, the present invention provides a kind of low noise food processor, including with motor and line
The base of road plate, the stirring cup connecting with base, the crushing knife in stirring cup, base include casing, top cover and bottom cover, bottom
It is covered with air inlet and exhaust outlet, motor is located in casing, and the motor shaft upper end of motor is connect with crushing knife, and motor shaft lower end is set
There is exhaust fan, is equipped with exhaust hood at the exhaust outlet, the exhaust hood includes bottom wall and side wall, and the side wall of the exhaust hood is equipped with
Vent, the bottom cover are equipped with ventilating duct, and the ventilating duct includes the first annular wall being arranged from outside to inside and the second annular
Wall, the upper end of the first annular wall cover at exhaust fan periphery, and the lower end of the first annular wall is connected to exhaust outlet, described
The upper port of second annular wall is closed, and annular air-guiding aisle, the ring are formed between the first annular wall and the second annular wall
Wind deflector is equipped in shape air-guiding aisle.
Further, the lower end of second annular wall is lower than the lower end of first annular wall.
Further, the lower end of second annular wall is abutted with the bottom wall of exhaust hood.
Further, the motor shaft lower end is additionally provided with fan guard, and exhaust fan is provide in the inner by the fan guard, the wind
Fan cover bottom is equipped with ventilation hole, and the upper end of the first annular wall abuts with fan guard bottom and is located at ventilation hole periphery.
Further, the upper end of the first annular wall is equipped with sealing ring, and the sealing ring is close to the setting of fan guard bottom.
Further, described wind deflector one end is connected to first annular wall, and the other end is connected to the second annular wall.
Further, the wind deflector be curved slab and be it is multiple, multiple wind deflectors are uniformly distributed around the second annular wall.
Further, the vent be arc and be it is multiple, multiple vents are uniformly distributed in institute around exhaust hood center
It states on the side wall of exhaust hood, the vent distribution arrangement is consistent with wind deflector distribution arrangement.
Further, the wiring board is set to side in base vertically, and base is separated into air-inlet cavity and row by the wiring board
Wind chamber is equipped with communicating passage between the air-inlet cavity top and air draft chamber top, and the air inlet is connected to air-inlet cavity, the row
Air port is connected to air draft chamber, and when the motor works, external wind enters air-inlet cavity and enters air draft chamber by communicating passage.
Further, air inlet fan is equipped in the air-inlet cavity, the air inlet is fanned to be arranged close to air inlet.
The beneficial effects of the present invention are:
1, exhaust hood is equipped at exhaust outlet, exhaust hood includes bottom wall and side wall, and the side wall of exhaust hood is equipped with vent, sets on bottom cover
There is ventilating duct, ventilating duct includes the first annular wall being arranged from outside to inside and the second annular wall, and the upper end of first annular wall is provide with
In exhaust fan periphery, the lower end of first annular wall be connected to exhaust outlet, and the upper port of the second annular wall is closed, first annular wall with
Annular air-guiding aisle is formed between second annular wall, is equipped with wind deflector in annular air-guiding aisle, when motor work, exhaust fan row
Air-flow out is introduced into exhaust hood after annular air-guiding aisle guiding, then the vent discharge of the side wall from exhaust hood, due to the
The upper port of second ring wall is closed, therefore annular air-guiding aisle is the channel of intermediate closing surrounding wind-guiding, i.e., annular air-guiding aisle
Middle position not outlet air, considerably reduce the probability that air-flow is discharged from the sidewalls vertical of exhaust hood in this way, can guarantee absolutely
Most of air-flow avoids the direct frontal impact table top of air-flow and causes noise, and adopt from exhaust hood side wall side to discharge
It can be avoided airflow reflux anti-channeling with side air-out mode, accelerate airflow circulating in this way, can quickly radiate to base.
2, the lower end of the second annular wall be lower than first annular wall lower end, the lower end of such second annular wall with it is first annular
There is difference in height, the air-flow that can flow out ventilating duct is guided toward side, to guarantee that most air-flows side goes out between the lower end of wall
Wind and non-vertical outlet air, and then can be avoided the direct frontal impact table top of air-flow and cause noise, and can also effectively take away motor
The heat generated when high speed operation, improves heat dissipation effect.
3, the lower end of the second annular wall is abutted with the bottom wall of exhaust hood, on the one hand can guarantee the air-flow flowed out from ventilating duct
The overwhelming majority is guided by the second annular wall toward side, meanwhile, it is not in the air-flow between exhaust hood bottom wall and the second annular wall
Reflux runs helter-skelter and brings noise, is on the other hand conducive to improve the installation fixing of exhaust hood, so that exhaust hood is in use
Will not deformation occurs or dislocation, and then ensure that being normally carried out for side air-out.
4, motor shaft lower end is additionally provided with fan guard, and exhaust fan is provide in the inner by fan guard, and fan guard bottom is equipped with ventilation
The upper end in hole, first annular wall abuts with fan guard bottom and is located at ventilation hole periphery, so set, the air-flow of exhaust fan discharge
Can be completely into the annular air-guiding aisle of ventilating duct, and then exhaust hood is imported completely.
5, the upper end of first annular wall is equipped with sealing ring, and sealing ring is close to the setting of fan guard bottom, and the setting of sealing ring makes
The upper end for obtaining first annular wall is connected to fan guard sealed bottom, prevents the air-flow of exhaust fan discharge from the upper end of first annular wall
It is flowed out with the junction of fan guard bottom and can not import in exhaust hood and be discharged.
6, wind deflector one end is connected to first annular wall, and the wind deflector other end is connected to the second annular wall, i.e., first annular
Wall and the second annular wall are connected by wind deflector, wind deflector be curved slab and be it is multiple, multiple wind deflectors surround the second annular wall
It being uniformly distributed, air-flow derived from such ventilating duct is swirling eddy, and swirling eddy is conducive to from the side wall side of exhaust hood to discharge, and
And swirling eddy is conducive to improve the velocity of liquid assets of air-flow, accelerates the circulation of air-flow, radiates convenient for base.
7, vent be arc and be it is multiple, multiple vents are uniformly distributed in the side wall of exhaust hood around exhaust hood center
On, vent distribution arrangement is consistent with wind deflector distribution arrangement, and the air-flow for being convenient for exhaust fan to be discharged in this way is quickly after ventilating duct
It is discharged from the side wall of exhaust hood, has further speeded up Air flow velocity.
8, wiring board is set to side in base vertically, and base is separated into air-inlet cavity and air draft chamber, air-inlet cavity top by wiring board
Communicating passage is equipped between at the top of portion and air draft chamber, air inlet is connected to air-inlet cavity, and exhaust outlet is connected to air draft chamber, motor work
When, external wind enters air-inlet cavity and enters air draft chamber by communicating passage, and the air-flow in air draft chamber is oriented to through annular air-guiding aisle
After be introduced into exhaust hood, then the vent discharge of the side wall from exhaust hood, this cooling mechanism, cold wind and hot wind will not mix,
Good heat dissipation effect, and external wind first radiates to the relatively low wiring board of temperature, then to the relatively high motor of temperature into
Row heat dissipation, can meet the cooling requirements of wiring board and motor simultaneously.
9, air inlet fan is equipped in air-inlet cavity, air inlet is fanned to be arranged close to air inlet, can be improved intake, and then accelerate machine
The flowing velocity of seat interior air-flow, can quickly radiate to base.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of invention technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of base in Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of base in the embodiment of the present invention two；
Fig. 4 is the assembling structure schematic diagram of ventilating duct and bottom cover in the embodiment of the present invention two；
Fig. 5 is the main view of Fig. 4；
Fig. 6 is the assembling structure schematic diagram of motor and top cover in the embodiment of the present invention three；
Fig. 7 is the decomposition texture schematic diagram of Fig. 6.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the present invention can mutual any combination.
The structure of food processor of the invention is as shown in Figures 1 to 7, including base 1, the stirring cup connecting with base 1
2, which includes casing 11, top cover 12 and bottom cover 13, and top cover 12 and bottom cover 13 are respectively arranged on the top and bottom of casing 11,
Motor 14 and wiring board 15 are equipped in base 1, motor 14 and wiring board 15 are located in casing 11, and stirring cup 2 includes 21 He of cup body
Cup lid 22, the cup lid 22 and cup body 21 surround to form comminuting space, and 21 side of cup body is equipped with handle 211, are equipped with powder in cup body 21
The motor shaft upper end of broken knife 212, motor 14 is connect with crushing knife 212, is connected between the two by shaft coupling, shaft coupling includes upper
Shaft coupling and lower coupler, upper coupling are connect with the cutter shaft of crushing knife 212, and lower coupler is connect with motor shaft upper end, when stirring
It mixes after cup 2 is placed on base 1 in place, upper coupling and lower coupler are cooperatively connected, and motor 14 is enabled to drive the crushing knife 212
Rotation is in comminuting space with crashing food.Bottom cover 13 is equipped with air inlet 131 and exhaust outlet 132, is equipped with air draft at exhaust outlet 132
Cover 3, exhaust hood 3 cover at the lower section of exhaust outlet 132, and the side wall of exhaust hood 3 is equipped with vent 31, the motor shaft lower end of motor 14
Equipped with exhaust fan 4, bottom cover 13 is equipped with ventilating duct 5, and ventilating duct 5 is located at the lower section of motor 14 and is connected to exhaust outlet 132, in electricity
During machine 14 is run, the rotation of exhaust fan 4 generates downward air-flow, and the top of such exhaust fan 4 forms negative pressure, promotes the external world
Wind enters base 1 from air inlet 131, and external wind is introduced into the cavity at 15 place of wiring board to wiring board 15 after entering base 1
It radiates, the cavity where subsequently entering motor 14 radiates to motor 14, is finally discharged by exhaust fan 4, from exhaust fan 4
The heat that the air-flow of discharge drives motor 14 to generate when working flows downward, and is discharged by the drainage of ventilating duct 5 from exhaust hood 3,
So realize the heat dissipation of motor 14 and wiring board 15 in base 1.
Embodiment one:
As depicted in figs. 1 and 2, the food processor of the present embodiment includes base 1, the stirring cup connecting with base 12, the base 1
Including casing 11, top cover 12 and bottom cover 13, top cover 12 and bottom cover 13 are respectively arranged on the top and bottom of casing 11, set in base 1
There are motor 14 and wiring board 15, motor 14 and wiring board 15 are located in casing 11, and stirring cup 2 includes cup body 21 and cup lid 22, cup
Body 21 is glass and has handle 211, and cup lid 22 is plastic cup cover, and the cup lid 22 and cup body 21 surround to form comminuting space,
Crushing knife 212 is equipped in cup body 21, the motor shaft upper end of motor 14 is connect with crushing knife 212, is connected between the two by shaft coupling
It connects, shaft coupling includes upper coupling and lower coupler, and upper coupling is connect with the cutter shaft of crushing knife 212, lower coupler and motor
The connection of axis upper end, after stirring cup 2 is placed on base 1 in place, upper coupling and lower coupler are cooperatively connected, and enable motor 14
The crushing knife 212 is driven to rotate in comminuting space with crashing food.
In the present embodiment, bottom cover 13 is equipped with air inlet 131 and exhaust outlet 132, and air inlet 131 is located at 13 side of bottom cover,
Exhaust outlet 132 is located at the underface of motor 14, and exhaust hood 3 is equipped at exhaust outlet 132, and exhaust hood 3 includes bottom wall and side wall, air draft
3 bottom walls and the substantially vertical connection of 3 side wall of exhaust hood are covered, exhaust hood 3 covers at the lower section of exhaust outlet 132, and the side wall of exhaust hood 3 is set
There is vent 31, the motor shaft lower end of motor 14 is equipped with exhaust fan 4, and bottom cover 13 is equipped with ventilating duct 5, and ventilating duct 5 includes by outer
To the first annular wall 51 and the second annular wall 52 of interior setting, first annular wall 51 and the second annular wall 52 are straight-tube shape, energy
The air-flow that exhaust fan 4 is discharged is guided into discharge directly down, is conducive to the raising of the ventilation smoothness of base 1, first annular wall 51
Upper end cover at the periphery of exhaust fan 4, the lower end of first annular wall 51 is connected to exhaust outlet 132, the upper end of the second annular wall 52
Mouth closing, the lower end of the second annular wall 52 flushes with the lower end of first annular wall 51 and abuts with exhaust hood 3, the bottom of exhaust hood 3
Wall is equipped with the support base 32 upwardly extended, and support base 32 is abutted with the lower end of first annular wall 51, first annular wall 51 and second
Annular air-guiding aisle 53 is formed between annular wall 52, wind deflector 54 is equipped in annular air-guiding aisle 53, and one end of wind deflector 54 connects
It is connected in the second annular wall 52, there is spacing not contact between the other end of wind deflector 54 and first annular wall 51.
Motor 14, ventilating duct 5 and exhaust hood 3 constitute motor radiating air duct in this way, when motor 14 works, 4 row of exhaust fan
Air-flow out is introduced into exhaust hood 3 after annular air-guiding aisle 53 guiding, then 31 hole of air draft of the side wall from exhaust hood 3 is discharged,
Since the upper port of the second annular wall 52 is closed, annular air-guiding aisle 53 is the channel of intermediate closing surrounding wind-guiding, i.e. ring
The middle position not outlet air of shape air-guiding aisle 53, considerably reduce in this way air-flow be discharged from the sidewalls vertical of exhaust hood 3 it is general
Rate can guarantee that most air-flows from the side wall side of exhaust hood 3 to discharge, and then avoid the direct frontal impact table top of air-flow
Cause noise, and airflow reflux anti-channeling can be avoided using side air-out mode, accelerates airflow circulating in this way, it can be quickly to machine
Seat 1 radiates.
In the present embodiment, motor shaft lower end is additionally provided with fan guard 6, and exhaust fan 4 is provide in the inner by fan guard 6, fan
6 bottoms are covered equipped with ventilation hole 61, and the upper end of first annular wall 51 abuts with 6 bottom of fan guard and is located at 61 periphery of ventilation hole, such as
This setting, the air-flow that exhaust fan 4 is discharged can be arranged completely into the annular air-guiding aisle 53 of ventilating duct 5, and then by complete importing
Fan housing 3.The upper end of first annular wall 51 is equipped with sealing ring 7, and 7 lower end of sealing ring is equipped with groove, and the upper end of first annular wall 51 is stretched
Enter in groove, 7 upper end of sealing ring be close to 6 bottom of fan guard setting, sealing ring 7 setting so that the upper end of first annular wall 51 with
The connection of 6 sealed bottom of fan guard prevents upper end and fan guard 6 bottom of the air-flow of the discharge of exhaust fan 4 from first annular wall 51
It flows out and can not import in exhaust hood 3 and be discharged in junction.
In the present embodiment, wind deflector 54 be curved slab and be it is multiple, multiple wind deflectors 54 around the second annular wall 52
Even distribution, air-flow derived from such ventilating duct 54 are swirling eddy, and swirling eddy is conducive to 31 lateral row of vent from exhaust hood 3
Out, and swirling eddy is conducive to improve the velocity of liquid assets of air-flow, accelerates the circulation of air-flow, radiates convenient for base 1, accordingly,
Vent 31 be arc and be it is multiple, multiple vents 31 are uniformly distributed on the side wall of exhaust hood 3 around 3 center of exhaust hood,
31 distribution arrangement of vent is consistent with 54 distribution arrangement of wind deflector, i.e. array arrangement direction is consistent, is discharged in this way convenient for exhaust fan 4
Air-flow quickly after ventilating duct 5 from the side wall of exhaust hood 3 be discharged, further speeded up Air flow velocity.
In the present embodiment, wiring board 15 is set to side in base 1 vertically, and base 1 is separated into air-inlet cavity 8 by wiring board 15
With air draft chamber 9,8 top of air-inlet cavity and air draft chamber are equipped with communicating passage between 9 top, and air inlet 131 is connected to air-inlet cavity 8, is arranged
Air port 132 is connected to air draft chamber 9, and when motor 14 works, as shown by the arrows in Figure 2, the rotation of exhaust fan 4 generates downward air-flow,
The top of exhaust fan 4 forms negative pressure in this way, promotes external wind to enter base 1 from air inlet 131, after external wind enters base 1
Before this enter air-inlet cavity 8, radiate to wiring board 15, then by communicating passage enter air draft chamber 9 motor 14 is carried out it is scattered
Heat, under the action of exhaust fan 4, air-flow in air draft chamber 9 is introduced into exhaust hood 3 after annular air-guiding aisle 53 guiding, then from
The vent 31 of the side wall of exhaust hood 3 is discharged, and this cooling mechanism, cold wind and hot wind will not mix, good heat dissipation effect, and outer
Boundary's wind first radiates to the relatively low wiring board of temperature 15, then the motor 14 relatively high to temperature radiates, Neng Goutong
When meet the cooling requirements of wiring board 15 and motor 14.In order to improve intake, and then accelerate the flowing speed of 1 interior air-flow of base
Degree, quickly to radiate to base 1, the present embodiment is equipped with air inlet fan 81 in air-inlet cavity 8, and air inlet fan 81 is close to air inlet
131 settings.
It should be understood that bottom of cup is equipped with heating device, heating device can carry out heating to cup body and realize heat foods
Processing.
Embodiment two:
The difference between this embodiment and the first embodiment lies in the structure of ventilating duct and exhaust hood, in conjunction with shown in Fig. 3 to Fig. 5, the wind-guiding
The first annular wall 51 of cylinder 5 and the junction of bottom cover 13 have radian measure alpha, i.e., the lower end of first annular wall 51 and the connection of bottom cover 13
Place has radian measure alpha, wherein 5 °≤α≤35 °, α is 15 ° in the present embodiment, can draw the air-flow that ventilating duct 5 flows out toward side
It leads, and then avoids the direct frontal impact table top of most air-flows and cause noise and airflow reflux, so that the ventilation ten of base 1
Divide smooth.The lower end of the first annular wall 51 extends outward to form cylinder base 511, and cylinder base 511 is located at 132 top of exhaust outlet, and leads to
It crosses screw to be fixed on bottom cover 13, first annular wall 51 is installed on bottom cover 13 by cylinder base 511, and this mounting structure makes the
One annular wall 51 is removable together with ventilating duct 5, easy to repair, and cylinder base 511 extended outwardly by the lower end of first annular wall 51 and
At, so that mounting structure is relatively simple, it is at low cost.
In the present embodiment, the lower end of the second annular wall 52 is lower than the lower end of first annular wall 51, such second annular wall
There is height difference H, wherein 1mm≤H≤20mm between 52 lower end and the lower end of first annular wall 51, H is in the present embodiment
8mm, the air-flow that can flow out ventilating duct 5 are guided toward side, the non-vertical outlet air with the most air-flow side air-outs of guarantee, in turn
The heat generated when can be avoided the direct frontal impact table top of air-flow and cause noise, and can also effectively take away motor high speed operation
Amount, improves heat dissipation effect.The lower end of second annular wall 52 is abutted with the bottom wall of exhaust hood 3, on the one hand can be guaranteed from wind-guiding
The air-flow overwhelming majority of 5 outflow of cylinder are guided by the second annular wall 52 toward side, meanwhile, it is not in the bottom wall and the of exhaust hood 3
Airflow reflux between second ring wall 52 runs helter-skelter and brings noise, is on the other hand conducive to improve the installation fixing of exhaust hood 3, make
Exhaust hood 3 in use will not deformation occurs or dislocation, and then ensure that being normally carried out for side air-out.
54 one end of wind deflector of the present embodiment is connected to first annular wall 51, and 54 other end of wind deflector is connected to the second annular
Wall 52, i.e., first annular wall 51 and the second annular wall 52 are connected by wind deflector 54, and wind deflector 54 is helical curve panel, are arranged in this way
Helically formula is discharged the air-flow that fan 4 is discharged from ventilating duct 5, and the velocity of liquid assets of spiral air flow is higher, more accelerates air-flow
Circulation is convenient for 1 smooth ventilation of base.In this way, 4 high-speed rotation of exhaust fan generates downward gas during motor 14 is run
Stream, the heat that air-flow drives motor 14 to generate when working flow downward, and the air-flow that exhaust fan 4 is discharged passes through the annular of ventilating duct 5
The drainage of wind deflector 54 in air-guiding aisle 53 forms spiral air-flow, i.e., final air-flow helically lead from the annular of ventilating duct 5 by formula
Wind channel 53 is discharged, the heat generated when avoiding direct frontal impact bottom plate and cause noise, while taking away 14 high speed operation of motor
Amount, improves heat dissipation effect, so that the ventilation of base 1 is very smooth.
In the present embodiment, first annular wall 51 is taper, and first annular wall 51 is gradually increased from top to bottom, can will be led
The air-flow that air duct 5 flows out is guided toward side, and then is avoided the direct frontal impact table top of most air-flows and caused noise gentle
It flows back to, so that the ventilation of base 1 is very smooth.
In practical work process, the 81 starting work of air inlet fan, air inlet 131 is by sucking air-inlet cavity for external cold air
8, air-flow enters air-out chamber 9 by communicating passage after wiring board 15, and 4 high-speed rotation of exhaust fan passes through air-flow from top to bottom
It crosses after motor 14 heat that the air-flow arranged downwards to lower row drives motor 14 to generate when working to flow downward, is passing through ventilating duct 5
Annular air-guiding aisle 53 drainage, helically formula is discharged air-flow from ventilating duct 5, then the vent being equipped with by exhaust hood 3
The outside of 31 approximate horizontal discharge bottom covers 13, avoids direct frontal impact table top and causes noise.
In the present embodiment, the bottom wall of exhaust hood 3 is without above-mentioned support base, the bottom wall of exhaust hood 3 directly with the second annular wall
52 lower end abuts, and has angle beta between the bottom wall and side wall of exhaust hood 3, wherein 100 °≤β≤150 °, β in the present embodiment
It is 135 °, it can be ensured that the air-flow overwhelming majority that exhaust hood 3 is discharged is side air-out, avoids the directly front punching of most air-flows
It hits table top and causes noise and airflow reflux, so that the ventilation of base 1 is very smooth.
It should be understood that radian measure alpha is also possible to 5 ° or 10 ° or 20 ° or 22 ° or 25 ° or 27 ° or 30 ° or 32 ° or 35 °, only
Meet 5 °≤α≤35 °, within this range, the bigger annular air-guiding aisle of the value of radian measure alpha guides air-flow toward side
Effect is more obvious.
It should be understood that height difference H be also possible to 1mm or 3mm or 5mm or 7mm or 9mm or 11mm or 13mm or 15mm or
17mm or 19mm or 20mm, as long as meeting 1mm≤H≤20mm, within this range, the bigger annular of the value of height difference H is led
Air-flow is more obvious by wind channel toward the effect that side guides.
It should be understood that wind deflector is also possible to the curved slab of spherical plate or ellipsoid panel or non-helical formula, it is able to achieve
The wind effect of wind effect, certainly spiral curved slab is best, and wind-guiding speed is fast, and the effect that air-flow is guided toward side
It is good.
It should be understood that the lower end of first annular wall is overlapped with exhaust outlet, first annular wall and bottom cover are integrally formed, and are convenient for
The molding of first annular wall, and without the setting sealing ring between first annular wall and exhaust outlet.
It should be understood that angle beta is also possible to 100 ° or 110 ° or 120 ° or 130 ° or 140 ° or 150 °, as long as meeting
100 °≤β≤150 °, within this range, the effect of the air-flow side air-out of the bigger exhaust hood discharge of the value of angle beta is better.
The other structures and beneficial effect of the present embodiment are the same as example 1, and details are not described herein.
Embodiment three:
The difference of the present embodiment and embodiment one and embodiment two is the mounting structure of motor, should in conjunction with shown in Fig. 6 and Fig. 7
14 upper end of motor is equipped with electric machine support 141, and motor 14 is fixedly installed on the lower section of top cover 12, motor branch by electric machine support 141
There is spacing A, wherein 10mm≤A≤30mm between frame 141 and top cover 12, spacing A is formed 8 top of air-inlet cavity and air draft chamber 9
The communicating passage being connected between top, A is 18mm in the present embodiment, can effectively ensure that air-flow that air-inlet cavity 8 flows through from upper and
It is lower by motor to radiate to motor, bottom cover 13 is equipped with bracket, bracket be located at below motor 14 and under the motor 14
End abuts, so set, 14 top and bottom of motor to be supported to limit setting, can guarantee in whole working
Motor is not easy to shake, to improve electrical machinery life, while simplifying structure, avoids mounting structure excessively complicated, and when needs
When 1 internal component of base is repaired or replaced, being fixedly connected and not having between bottom cover 13 and casing 11 need to be only dismantled
Maintenance or replacement can be completed in motor 14 of dismantling, and bracket and above-mentioned ventilating duct 5 are integrally formed, i.e., the two is integrated, in this way
Ventilating duct 5 both plays the role of bracket, limit setting is carried out to 14 lower end of motor, to guarantee the motor in whole working
It is not easy to shake, to improve electrical machinery life, and plays the role of wind-guiding, and the upper end of the second annular wall 52 due to ventilating duct 5
Mouth closing, therefore annular air-guiding aisle 53 is the intermediate channel for closing surrounding wind-guiding, considerably reduces air-flow in this way and arranges vertically
Probability out, and then avoid the direct frontal impact table top of most air-flows and cause noise and airflow reflux, so that base 1
It divulges information very smooth.
In this embodiment, top cover 12 is equipped with power supply perforative 121 hole of axis in arbor upper end, and top cover is additionally provided with the company extended downwardly
Column 122 is connect, electric machine support 141 is fixedly installed on connecting column 122 so that motor 14 is fixedly installed on 12 lower section of top cover, that is, passes through
The connection of electric machine support 141 and connecting column 122 can be realized and motor 14 is quickly fixed at 12 lower section of top cover, fixed structure
Also very simple, motor 14 are covered with motor cover 142 outside, and 142 top and bottom of motor cover are open, and motor cover 142 is located at electricity
Electric machine support 141 is connected on connecting column 122 by the lower section of machine support 141, motor cover 142, i.e., motor cover 142 is covered from bottom to top
It is connect after being located at outside motor 14 with connecting column 122, electric machine support 141 is set between motor cover 142 and connecting column 122, to realize
Motor 14 is fixedly installed on 12 lower section of top cover, installation is more convenient, and the height of 142 lower port of motor cover is lower than 14 lower end of motor
Height, i.e. motor 14 is provide in the inner completely, obstructs to the noise of motor 14 by motor cover 142, is conducive to reduce complete machine
The noise of operation, and 142 lower port of motor cover is contraction mouth, conducive to the effect that raising obstructs 14 noise of motor, is effectively dropped
The noise of complete machine operation, improves the usage experience of user, the upper end of first annular wall 51 protrude into after motor cover 142 with fan guard
6 bottoms abut and are located at 61 periphery of ventilation hole, and between level between the upper end of first annular wall 51 and motor cover 142
Away from, to avoid same motor 14 resonance cause noise.
In the present embodiment, 142 upper port of motor cover is surrounded by mounting hole 143, and 141 edge of electric machine support is equipped with through-hole
144, screw 145 is threadedly coupled after passing through mounting hole 143, through-hole 144 from bottom to top with connecting column 122, so that motor branch
Frame 141 is clamped between connecting column 122 and motor cover 142, since the cooperation of screw 145 and screw thread is fixed, so that mounting structure
Stablize, caused separation problem will not be vibrated during high-speed cruising, axial tautness is ensure that, is further ensured that
The effect clamped, to ensure that complete machine even running during running at high speed.Shock absorbing ring 146 is equipped in through-hole 144,
Shock absorbing ring 146 is the big shape in intermediate small both ends, and upper end and the through-hole upper end of shock absorbing ring 146 fit closely, under shock absorbing ring 146
End is fitted closely with 144 lower end of through-hole, and shock absorbing ring 146 is made of elastic material, can ensure that damping effect with compressive deformation,
To ensure that complete machine even running during running at high speed.
It should be understood that spacing A be also possible to 10mm or 12mm or 14mm or 16mm or 20mm or 22mm or 24mm or
26mm or 28mm or 30mm, as long as meeting 10mm≤A≤30mm, within this range, the bigger air-inlet cavity of the value of spacing A and
The circulation of air-flow between air-out chamber is more smooth.
The other structures and beneficial effect of the present embodiment are same as the previously described embodiments, and details are not described herein.
As described above, only presently preferred embodiments of the present invention, practical range not for the purpose of limiting the invention, i.e.,
It is all according to equivalent changes and modifications made by the present invention, be all that scope of the invention as claimed is covered, no longer illustrate one by one here.
Claims (10)
1. a kind of low noise food processor, including with motor and wiring board base, connect with base stirring cup, be set to
Crushing knife in stirring cup, base include casing, top cover and bottom cover, and bottom cover is equipped with air inlet and exhaust outlet, and motor is located at casing
Interior, the motor shaft upper end of motor is connect with crushing knife, and motor shaft lower end is equipped with exhaust fan, which is characterized in that at the exhaust outlet
Equipped with exhaust hood, the exhaust hood includes bottom wall and side wall, and the side wall of the exhaust hood is equipped with vent, and the bottom cover is equipped with
Ventilating duct, the ventilating duct include the first annular wall being arranged from outside to inside and the second annular wall, the first annular wall it is upper
End shield is set to exhaust fan periphery, and the lower end of the first annular wall is connected to exhaust outlet, the upper port envelope of second annular wall
It closes, forms annular air-guiding aisle between the first annular wall and the second annular wall, be equipped with wind-guiding in the annular air-guiding aisle
Plate.
2. low noise food processor according to claim 1, which is characterized in that the lower end of second annular wall is lower than
The lower end of first annular wall.
3. low noise food processor according to claim 2, which is characterized in that the lower end of second annular wall and row
The bottom wall of fan housing abuts.
4. low noise food processor according to claim 1, which is characterized in that the motor shaft lower end is additionally provided with fan
Exhaust fan is provide in the inner by cover, the fan guard, and the fan guard bottom is equipped with ventilation hole, the upper end of the first annular wall
It is abutted with fan guard bottom and is located at ventilation hole periphery.
5. low noise food processor according to claim 4, which is characterized in that the upper end of the first annular wall is equipped with
Sealing ring, the sealing ring are close to the setting of fan guard bottom.
6. low noise food processor according to claim 1, which is characterized in that described wind deflector one end is connected to first
Annular wall, the other end are connected to the second annular wall.
7. low noise food processor according to claim 6, which is characterized in that the wind deflector is curved slab and is more
A, multiple wind deflectors are uniformly distributed around the second annular wall.
8. low noise food processor according to claim 7, which is characterized in that the vent is arc and is more
A, multiple vents are uniformly distributed on the side wall of the exhaust hood around exhaust hood center, the vent distribution arrangement with
Wind deflector distribution arrangement is consistent.
9. low noise food processor according to claim 1, which is characterized in that the wiring board is set in base vertically
Base is separated into air-inlet cavity and air draft chamber, is equipped between air draft chamber top at the top of the air-inlet cavity by side, the wiring board
Communicating passage, the air inlet are connected to air-inlet cavity, and the exhaust outlet is connected to air draft chamber, when the motor works, external wind
Enter air draft chamber into air-inlet cavity and by communicating passage.
10. low noise food processor according to claim 9, which is characterized in that air inlet fan is equipped in the air-inlet cavity,
The air inlet is fanned to be arranged close to air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218286.9A CN109730551B (en) | 2018-03-16 | 2018-03-16 | Low-noise food processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218286.9A CN109730551B (en) | 2018-03-16 | 2018-03-16 | Low-noise food processor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109730551A true CN109730551A (en) | 2019-05-10 |
| CN109730551B CN109730551B (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218286.9A Active CN109730551B (en) | 2018-03-16 | 2018-03-16 | Low-noise food processor |
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Cited By (1)
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| CN114732299A (en) * | 2022-04-01 | 2022-07-12 | 九阳股份有限公司 | Mute food processing machine |
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| CN109730551B (en) | 2022-03-18 |
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