CN109245400A - Intermediate support, fixed bracket, coaxial birotor motor and broken wall cooking machine - Google Patents
Intermediate support, fixed bracket, coaxial birotor motor and broken wall cooking machine Download PDFInfo
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- CN109245400A CN109245400A CN201811141906.XA CN201811141906A CN109245400A CN 109245400 A CN109245400 A CN 109245400A CN 201811141906 A CN201811141906 A CN 201811141906A CN 109245400 A CN109245400 A CN 109245400A
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- motor
- shaft
- rotor
- coaxial
- intermediate support
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/0716—Parts or details, e.g. mixing tools, whipping tools for machines with tools driven from the lower side
- A47J43/0722—Mixing, whipping or cutting tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/08—Driving mechanisms
- A47J43/085—Driving mechanisms for machines with tools driven from the lower side
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Power Engineering (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The present invention relates to fields of home appliance technology, and in particular to a kind of intermediate support, fixed bracket, coaxial birotor motor and broken wall cooking machine.Intermediate support (16) includes the ring support ontology (165) with inner passage, support plate (166) are formed on the inner peripheral surface of inner passage, support plate has the centre bore being coaxially set with inner passage, the one side of support plate is formed with around the centre bore and the first circumferential wall (168) for extending towards one end of inner passage, first circumferential wall and support plate are formed as first bearing installation room (162), the another side of support plate is formed with around centre bore and the second circumferential wall (167) for extending towards the other end of inner passage, second circumferential wall and support plate are formed as second bearing installation room (161).The intermediate support can be used for fixing coaxial double-rotor machine, so that broken wall cooking function uses coaxial birotor motor as driving device, reduce noise, improve the service life of broken wall cooking machine.
Description
Technical field
The present invention relates to fields of home appliance technology, more particularly to a kind of intermediate support, fixed bracket, coaxial birotor
Motor and broken wall cooking machine.
Background technique
Broken wall cooking machine is a kind of multifunctional food processor, has both soy bean milk making machine, juice extractor, cooking machine and grinder etc.
Product function.The working principle of broken wall cooking machine is cutting tip high speed rotation and cutting food under the drive of driving motor,
Food is broken into crushing, discharges the plant biochemistry element of food therein.Broken wall cooking machine is frequently with series excited machine as power drive
Device, but there are power densities low, low efficiency, the service life is short, noise is big and the born disadvantage such as Carbon dust pollution.It is above-mentioned in order to solve
Problem, broken wall cooking machine can use New Type of Direct-current Machine, although broken wall cooking machine can be made towards efficient, miniaturization, Gao Gong
The directions such as rate density are developed, and still, the crushing effect in order to guarantee food is good, it is desirable that the New Type of Direct-current Machine is with higher
Rotation speed, the defect that lead to that there are still noises big, service life is short.
Summary of the invention
The purpose of the invention is to overcome broken wall cooking machine of the existing technology to cause using New Type of Direct-current Machine
The problem that there are still noises is big, service life is short, provide a kind of intermediate support, fixed bracket, coaxial birotor motor and
Broken wall cooking machine, the intermediate support can be used in fixing coaxial double-rotor machine, so that broken wall cooking function is using coaxial double
Rotor electric machine is as driving device, to reduce noise, improves the service life of broken wall cooking machine.
To achieve the goals above, one aspect of the present invention provides a kind of intermediate support of coaxial birotor motor, it is described in
Between bracket include the ring support ontology with inner passage, be formed with and extend radially inwardly on the inner peripheral surface of the inner passage
Support plate, the support plate has the centre bore that is coaxially set with the inner passage, the one side shape of the support plate
At having around the centre bore and the first circumferential wall for extending towards one end of the inner passage, the described first circumferential wall and institute
It states support plate and is formed as first bearing installation room, the opposite another side of the support plate is formed with around the centre bore and court
The circumferential wall of second extended to the other end of the inner passage, the described second circumferential wall and the support plate are formed as the second axis
Hold installation room.
Preferably, one end of the ring support ontology is formed with the first seam allowance portion, the cross section in first seam allowance portion
It is set as radially inwardly extending step surface, the other end of the ring support ontology is formed with the second seam allowance portion, and described
The cross section in two seam allowance portions is set as radially inwardly extending step surface.
Preferably, end face of the end face of the ring support ontology lower than the described first circumferential wall, the ring support
The other end of ontology is higher than the end face of the described second circumferential wall.
Preferably, the outer peripheral surface of the ring support ontology is circumferentially formed with the mounting portion that multiple groups have mounting hole, often
The group mounting portion includes two axially spaced apart mounting portions.
Preferably, the part between mounting portion described in every group of the ring support ontology is arranged in hollow out.
Second invention of the invention provides a kind of fixation bracket of coaxial birotor motor, and the fixed bracket includes first
End cap frame, second end cover frame and the intermediate support, the second end cover frame are formed with 3rd bearing peace with a central hole
Room is filled, the second end cover frame is connected to the side of the intermediate support and accommodates to form first between the intermediate support
Chamber, the first end cover frame are formed with fourth bearing installation with a central hole room, and the first end cover frame is connected in described
Between bracket the other side to form the second accommodating chamber between the intermediate support.
Preferably, first accommodating chamber along the centre hole axis to height be less than second accommodating chamber in described
The height of heart hole axial direction.
Third aspect present invention provides a kind of coaxial birotor motor, and the coaxial birotor motor includes the first electricity
The fixation bracket of machine, the second motor and the coaxial birotor motor, the first motor are set in the first receiving cavity
And including the first rotor, the first rotor includes first rotating shaft, and second motor is arranged in second accommodating chamber simultaneously
Including the second rotor, second rotor includes the second shaft, and second shaft is set as hollow structure and sequentially passes through setting
Indoor bearing and setting are installed in the indoor bearing of fourth bearing installation in the second bearing and are pierced by the first end cover
Frame, the first rotating shaft and second shaft, which are coaxially disposed and sequentially pass through setting, installs indoor axis in the 3rd bearing
It holds, be located at the indoor bearing of first bearing installation and the second shaft and be pierced by second shaft.
Preferably, the coaxial birotor motor includes at least one of following form:
Form one: the ratio between folded thick and described bitrochanteric folded thickness of the first rotor are as follows: 0.4-0.8；
Form two: second shaft and the first rotating shaft interval are arranged, and the internal diameter of second shaft is than described the
The big 0.6-3mm of the outer diameter of one shaft；
Form three: the permanent magnet of the first rotor is set as rare-earth permanent magnet material, and the bitrochanteric permanent magnet is set
For rare-earth permanent magnet material；
Form four: the first motor includes the first stator, and second motor includes the second stator, first stator
Stator core cross section shape it is identical as the shape of cross section of stator core of second stator.
Fourth aspect present invention additionally provides a kind of broken wall cooking machine, and the broken wall cooking machine includes pedestal and is connected to institute
The crushing container above pedestal is stated, the coaxial birotor motor is provided in the pedestal, is equipped in the crushing container
First main crushed piece and the second secondary crushed piece, one end of second shaft passes through the bottom wall of the crushing container and end connects
It is connected to the first main crushed piece, one end end for being pierced by second shaft and be located in the crushing container of the first rotating shaft
It is connected with the second secondary crushed piece.
Through the above scheme, the present invention provides a kind of intermediate support, fixed bracket, coaxial birotor motor and broken wall material
Reason machine, the intermediate support can be used in fixing coaxial double-rotor machine, so that broken wall cooking function is using coaxial birotor electricity
Machine is as driving device, to reduce the noise of broken wall cooking machine；Moreover, the intermediate support enables to the of first motor
One shaft and the second shaft of the second motor are coaxially rotated always, improve the service life of broken wall cooking machine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coaxial birotor motor provided by the invention；
Fig. 2 is the cross-sectional view of coaxial birotor motor shown in FIG. 1；
Fig. 3 is the structural schematic diagram of intermediate support provided by the invention；
Fig. 4 is the cross-sectional view of intermediate support shown in Fig. 3；
Fig. 5 is the structural schematic diagram of broken wall cooking machine provided by the invention.
Description of symbols
1, coaxial birotor motor；11, the first stator；12, the first rotor；121, first rotating shaft；13, the second stator；14,
Second rotor；141, the second shaft；15, first end cover frame；151, fourth bearing installs room；16, intermediate support；161, the second axis
Hold installation room；162, first bearing installs room；163, the second seam allowance portion；164, the first seam allowance portion；165, ring support ontology；
166, support plate；167, the second circumferential wall；168, the first circumferential wall；169, mounting portion；17, second end cover frame；171, third axis
Hold installation room；18, fan blade；10, broken wall cooking machine；2, crushing container；3, pedestal；4, the first main crushed piece；5, the second secondary crushing
Part.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of intermediate supports of coaxial birotor motor, and as shown in Figs. 1-5, the intermediate support 16 wraps
The ring support ontology 165 with inner passage is included, is formed with the branch extended radially inwardly on the inner peripheral surface of the inner passage
Fagging 166, the support plate 166 have the centre bore being coaxially set with the inner passage, the side of the support plate 166
Face is formed with around the centre bore and the first circumferential wall 168 for extending towards one end of the inner passage, and described first week
Be formed as first bearing installation room 162 to wall 168 and the support plate 166, the opposite another side of the support plate 166 is formed
There are the second circumferential wall 167 for surrounding the centre bore and extending towards the other end of the inner passage, the described second circumferential wall
167 are formed as second bearing installation room 161 with the support plate 166.
Through the above scheme, the present invention provides a kind of intermediate support, fixed bracket, coaxial birotor motor and broken wall material
Reason machine, the intermediate support 16 can be used in fixing coaxial double-rotor machine, so that broken wall cooking function uses coaxial birotor
Motor is as driving device, to reduce the noise of broken wall cooking machine；Moreover, intermediate branch can also be improved by above structure
The first bearing installation room of frame 16 and the concentricity of second bearing installation room, ensure that the first rotating shaft and the second electricity of first motor
Second shaft of machine is coaxially rotated always, improves the service life of broken wall cooking machine.
It carries out positioning and fixing support for the ease of the stator to motor, the both ends of ring support ontology 165 can be correspondingly
Seam allowance portion is set.For example, as in Figure 2-4, one end of the ring support ontology 165 is formed with the first seam allowance portion 164, described
The cross section in the first seam allowance portion 164 is set as radially inwardly extending step surface, the other end of the ring support ontology 165
It is formed with the second seam allowance portion 163, the cross section in second seam allowance portion 163 is set as radially inwardly extending step surface.Tool
Body, as in Figure 2-4, the step surface in first seam allowance portion 164 can be used for the first stator 11 of backstop first motor
Circumferential end surfaces, in one end of ring support ontology 165 extends along the lower section of Fig. 2 from the step surface in the first seam allowance portion 164
Outer circumference surface of the periphery for the first stator 11 of backstop first motor；Second seam allowance portion 163 also uses and the first seam allowance
The similar set-up mode in portion 164, details are not described herein.
Further, an end face of the ring support ontology 165 is lower than the end face of the described first circumferential wall 168, described
The other end of ring support ontology 165 is higher than the end face of the described second circumferential wall 167, is conducive to pacify in rotor and first bearing
Reserve redundant space between dress room or between rotor and second bearing installation room to accommodate the fixed frame for fixed rotor,
Meet the installation requirements of motor, moreover it is possible to guarantee the intensity of motor, it is solid and reliable.
For the ease of intermediate support, fixed first motor and the second motor, raising packaging efficiency, annular are propped up more stablely
The both ends of frame ontology 165 are formed with two groups of mounting portions 169 being fixedly connected respectively with first end cover frame and second end cover frame.
For example, as shown in Figs. 1-5, the outer peripheral surface of the ring support ontology 165 is circumferentially formed with the installation that multiple groups have mounting hole
Portion 169, mounting portion 169 described in every group include two axially spaced apart mounting portions 169.Wherein, mounting portion 169 can
Mounting hole and the, as connector, to sequentially pass through the mounting portion 169 adjacent with first end cover frame using bolt or rivet
The mounting hole opened up in the cover frame of one end is fixedly connected, moreover, it is also possible to be passed through and second end cover frame using above-mentioned connector
The mounting hole opened up on the mounting hole and second end cover frame of adjacent mounting portion 169 is fixedly connected, solid and reliable, convenient fast
It is prompt.
In order to reduce production cost, and mitigate the main screw lift of motor, on the basis for the support strength for guaranteeing intermediate support
On, ring support ontology 165 appropriate can be set as engraved structure.For example, as shown in figures 1 and 3, the ring support ontology
165 part between mounting portion 169 described in every group is arranged in hollow out.In addition, guaranteeing ring support ontology 165 and interior
Under the premise of bonding strength between portion channel, support plate 166 may be set to be engraved structure, to reduce cost and loss of weight.
It is understood that the both ends of ring support ontology 165 can also be spaced the multiple notches of setting, guaranteeing the positioning work to stator
Under the premise of with fixing intensity, the end of one end equipped with upper seam allowance portion of ring support ontology 165 can be set by this
End face extends to the notch of the step surface in seam allowance portion, and certainly, one end equipped with lower seam allowance portion of ring support ontology 165 can also
The notch of this structure is correspondingly arranged, to reduce cost and loss of weight.
Second aspect of the present invention provides a kind of fixation bracket of coaxial birotor motor, as depicted in figs. 1 and 2, described
Fixed bracket includes first end cover frame 15, second end cover frame 17 and the intermediate support 16, the formation of second end cover frame 17
Have a 3rd bearing with a central hole installation room 171, the second end cover frame 17 be connected to the side of the intermediate support 16 with
The first accommodating chamber is formed between the intermediate support 16, the first end cover frame 15 is formed with fourth bearing with a central hole
Room 151 is installed, the first end cover frame 15 is connected to the other side of the intermediate support 16 between the intermediate support 16
Form the second accommodating chamber.
Through the above scheme, fixed bracket provided by the invention is using the intermediate support for being capable of fixing coaxial birotor motor
16, so that the first rotating shaft of first motor and the second shaft of the second motor can be under the fixed functions of the intermediate support 16
It remains coaxial rotating, improves the service life of broken wall cooking machine.
According to the present invention, the first motor of coaxial birotor motor and the second motor can difference according to actual needs set
It is set to different height, for example, as shown in Fig. 2, when the folded thickness of the stator stack thickness and rotor of the first motor of the coaxial birotor motor
When being respectively smaller than the stator stack thickness and rotor folded thick of the second motor, correspondingly, first accommodating chamber along the centre hole axis to
Height be less than second accommodating chamber along the centre hole axis to height, wherein the first accommodating chamber for accommodate first electricity
Support bracket fastened inner space is not only rationally utilized for accommodating the second motor in machine, the second accommodating chamber, moreover it is possible to coaxial meeting
Reduce support bracket fastened whole occupied space under the premise of the installation requirements of double-rotor machine.
Third aspect present invention provides a kind of coaxial birotor motor, as depicted in figs. 1 and 2, the coaxial birotor
Motor 1 includes the fixation bracket of first motor, the second motor and the coaxial birotor motor 1, and the first motor is located at
In first accommodating chamber and including the first rotor 12, the first rotor 12 includes first rotating shaft 121, and second motor is set
It sets in second accommodating chamber and including the second rotor 14, second rotor 14 includes the second shaft 141, and described second turn
Axis 141 is set as hollow structure and sequentially passes through the bearing being arranged in second bearing installation room 161 and be arranged in the 4th axis
It holds the bearing in installation room 151 and is pierced by the first end cover frame 15, the first rotating shaft 121 and second shaft 141 are same
Axis is arranged and sequentially passes through the bearing being arranged in 3rd bearing installation room 171, is located in first bearing installation room 162
Bearing and the second shaft 141 and it is pierced by second shaft 141.
Through the above scheme, coaxial birotor motor provided by the invention is used and is capable of fixing in coaxial birotor motor
Between bracket 16 be used as medial support structures, enable first motor first rotating shaft and the second motor the second shaft in this
Between bracket 16 fixed function under remain coaxial rotating, improve the service life of broken wall cooking machine.
According to the present invention, coaxial birotor motor can be used in various small household appliances, for example, broken wall cooking machine,
If at this point, first motor is being met broken wall cooking machine as main drive and the second motor as assistant drive device
Starting torque and broken wall power under the premise of, the second stator stack thickness and the second rotor that can suitably reduce the second motor are folded
It is thick, that is, the first stator stack thickness and the first rotor fold thickness and be respectively smaller than the second stator stack thickness and the folded thickness of the second rotor.For example, described
Folded thick and second rotor 14 the ratio between the folded thickness of the first rotor 12 are as follows: 0.4-0.8；In addition, the first stator stack thickness and second
The ratio between stator stack thickness can be set to 0.4-0.8, under the premise of meeting the starting torque and broken wall power of motor, subtract as much as possible
The axial length of small machine, to solve the problems, such as because motor axial length brought by birotor increases.
It, can be by improving the power density of motor come real in order to further decrease the axial length of coaxial birotor motor
Existing, for example, permanent magnet can be using magnetic strongest rare-earth permanent magnet, specifically, the permanent magnet of the first rotor 12 is set as
The permanent magnet of rare-earth permanent magnet material, second rotor 14 is set as rare-earth permanent magnet material；Preferably, the rare-earth permanent magnet
Material can use neodymium iron boron.
In order to avoid coaxial birotor motor is interfered because contacting between first rotating shaft and the second shaft when in use,
Unnecessary loss and frictional resistance are even caused, first rotating shaft and the second shaft are using interval setting.For example, such as Fig. 2
Shown, second shaft 141 is arranged with the first rotating shaft 121 interval, and the internal diameter of second shaft 141 is than described first
The big 0.6-3mm of the outer diameter of shaft 121.It is understood that in order to can safely and smoothly be transported in guarantee coaxial birotor motor
Under the premise of row, moreover it is possible to effectively reduce the axial length of motor, first rotating shaft and the second shaft can use the axis of different size
It holds, specifically, the internal diameter outer diameter of bearing and height in addition to installing in first rotating shaft can be respectively smaller than in the second shaft and install
Bearing internal diameter, outer diameter and height, correspondingly, the diameter of the first circumferential wall 168 less than the second circumferential wall 169 diameter, no
Only meet the installation requirements of coaxial birotor motor, moreover it is possible to which first bearing installs room and second bearing installs room two by shortening
The sum of height between person, to reduce the axial height of motor.
In order to reduce the manufacture difficulty of coaxial birotor motor, production efficiency is improved, the first stator and the second stator can be with
It is set as the identical structure of cross-sectional shape.For example, the first motor includes the first stator 11, second motor includes second
Stator 13, the shape of the cross section of the stator core of first stator 11 are transversal with the stator core of second stator 13
The shape in face is identical.
Fourth aspect present invention additionally provides a kind of broken wall cooking machine, as shown in figure 5, the broken wall cooking machine 10 includes bottom
Seat 3 and the crushing container 2 for being connected to 3 top of the pedestal are provided with according to claim 8 or 9 in the pedestal 3
Coaxial birotor motor 1 is equipped with the first main crushed piece 4 and the second secondary crushed piece 5, second shaft in the crushing container 2
141 one end passes through the bottom wall of the crushing container 2 and end is connected with the first main crushed piece 4, the first rotating shaft 121
It is pierced by second shaft 141 and one end end being located in the crushing container 2 is connected with the second secondary crushed piece 5.
Through the above scheme, the present invention provides broken wall cooking machine can by revolving speed and turn to can independently control
The double blade of system carries out comminution process, wherein the first main crushed piece 4 is mounted on the second shaft of folded thick higher second motor
End, in order to which the second motor can drive the first main crushed piece 4 to run at high speed as main drive, the second secondary crushed piece 5
It is mounted on the end of the first rotating shaft of folded thick lower first motor, in order to which first motor can drive as assistant drive device
Second 5 low-speed running of secondary crushed piece, the main crushed piece 5 of auxiliary first carry out comminution process, convenient and efficient, without driving the first main powder
Aster and the second secondary crushed piece run at high speed simultaneously, reduce energy consumption.
According to the present invention, the coaxial birotor motor 1 that broken wall cooking machine can be cooperated using the pole slot of 4 magnetic pole, 6 winding slot
As driving device, for example, the coaxial birotor motor 1 can be specially coaxial birotor brshless DC motor, rotor core
On the quantity of permanent magnet and the quantity of permanent magnet mounting groove be 4, number of stator teeth be 6, permanent magnet can use rare earth
Permanent magnet material, to improve the power density of motor, at this point, defeated in the peak torque and maximum for similarly meeting broken wall cooking machine
Out under the precondition of power, the outer diameter of single rotor brshless DC motor is about 0.8 times of the outer diameter of series excited machine, still, fixed
The folded thick stator stack thickness for there was only series excited machine respectively of the folded thick and rotor of son and rotor fold thick half or so, greatly reduce electricity
Although space shared by machine, therefore, coaxial birotor brshless DC motor provided by the invention are brushless by two single rotors
Direct current generator, which is overlapped, to be assembled, but for series excited machine, the axial height of coaxial birotor direct current generator
Variation is less, high with the matching degree of the accommodation space of the pedestal of existing broken wall cooking machine, can be directly applied for existing broken
The installation specification of the pedestal of wall cooking machine, convenient for putting into production and using.Moreover, according to the working characteristics of broken wall cooking machine,
When starting, since the resistance of blade is larger, biggish starting torque is needed, and in order to which limiting starting current cannot be excessive, then it needs
Correspondingly to increase stator stack thickness and the folded thickness of rotor；And when the revolving speed of broken wall cooking machine rises to broken wall revolving speed, food is
The more crushing beaten, therefore the resistance of blade correspondingly reduces, torque needed for motor also just reduces therewith, then lesser
The power requirement that stator stack thickness and rotor fold thickness when can meet broken wall.At this point, broken wall cooking machine of the invention is double using twin shaft
It is coaxial double when driving the torque of the second motor of the first main crushed piece to be greater than required starting torque when blade carries out broken wall
Rotor electric machine can normally start, and without driving the first motor of the second secondary crushed piece also while having biggish torque, realize
Quick start, reduces energy consumption；Moreover, under identical crushing effect, for series excited machine, coaxial birotor electricity
The rotation speed of itself can be greatly lowered in machine, to improve the reliability of motor, extend the service life of motor, drop
The low noise of broken wall cooking machine.Further, as shown in Fig. 2, one end away from the described second secondary crushed piece of first rotating shaft
End the blower being made of multiple fan blades 18 is installed, which is placed in support bracket fastened outside, by rationally utilize first
Driving force provided by motor carries out cooling processing to complete machine, optimizes the heat dissipation effect of broken wall cooking machine.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this
It, can be with various simple variants of the technical solution of the present invention are made, in order to avoid unnecessary in the range of the technology design of invention
It repeats, the invention will not be further described in various possible combinations.But these simple variants and combination equally should be considered as
Content disclosed in this invention, all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of intermediate support of coaxial birotor motor, which is characterized in that the intermediate support (16) includes having internal lead to
The ring support ontology (165) in road is formed with the support plate (166) extended radially inwardly on the inner peripheral surface of the inner passage,
The support plate (166) has the centre bore being coaxially set with the inner passage, the one side shape of the support plate (166)
At having around the centre bore and towards the first circumferential wall (168) of one end of inner passage extension, described first is circumferential
Wall (168) and the support plate (166) are formed as first bearing installation room (162), the opposite other side of the support plate (166)
Face is formed with around the centre bore and the second circumferential wall (167) for extending towards the other end of the inner passage, and described the
Two circumferential walls (167) and the support plate (166) are formed as second bearing installation room (161).
2. the intermediate support of coaxial birotor motor according to claim 1, which is characterized in that the ring support ontology
(165) one end is formed with the first seam allowance portion (164), and the cross section in first seam allowance portion (164) is set as radially inward
The step surface of extension, the other end of the ring support ontology (165) are formed with the second seam allowance portion (163), second seam allowance
The cross section in portion (163) is set as radially inwardly extending step surface.
3. the intermediate support of coaxial birotor motor according to claim 2, which is characterized in that the ring support ontology
(165) end face of the end face lower than the described first circumferential wall (168), the other end height of the ring support ontology (165)
In the end face of the described second circumferential wall (167).
4. the intermediate support of coaxial birotor motor according to claim 3, which is characterized in that the ring support ontology
(165) outer peripheral surface is circumferentially formed with the mounting portion (169) that multiple groups have mounting hole, and mounting portion described in every group (169) includes
The mounting portion (169) of axially spaced apart two.
5. the intermediate support of coaxial birotor motor according to claim 4, which is characterized in that the ring support ontology
(165) the part between mounting portion (169) described in every group is arranged in hollow out.
6. a kind of fixation bracket of coaxial birotor motor, which is characterized in that the fixed bracket include first end cover frame (15),
Second end cover frame (17) and according to claim 1 intermediate support described in any one of -5 (16), the second end cover frame
(17) it is formed with 3rd bearing installation room (171) with a central hole, the second end cover frame (17) is connected to the intermediate branch
To form the first accommodating chamber between the intermediate support (16), the first end cover frame (15) is formed with tool for the side of frame (16)
There is fourth bearing installation room (151) of centre bore, the first end cover frame (15) is connected to the another of the intermediate support (16)
Side is to form the second accommodating chamber between the intermediate support (16).
7. the fixation bracket of coaxial birotor motor according to claim 6, which is characterized in that first accommodating chamber edge
The centre hole axis to height be less than second accommodating chamber along the centre hole axis to height.
8. a kind of coaxial birotor motor, which is characterized in that the coaxial birotor motor (1) includes first motor, the second electricity
The fixation bracket of machine and the coaxial birotor motor (1) according to claim 6 or 7, the first motor are located at described
In first accommodating chamber and including the first rotor (12), the first rotor (12) includes first rotating shaft (121), second motor
In second accommodating chamber and including the second rotor (14), second rotor (14) includes the second shaft (141), institute for setting
State the second shaft (141) be set as hollow structure and sequentially pass through setting the second bearing installation room (161) in bearing and
Be arranged fourth bearing installation room (151) in bearing and be pierced by the first end cover frame (15), the first rotating shaft (121) with
Second shaft (141) is coaxially disposed and sequentially passes through the bearing being arranged in 3rd bearing installation room (171), is located at
Bearing in first bearing installation room (162) and the second shaft (141) and it is pierced by second shaft (141).
9. coaxial birotor motor according to claim 8, which is characterized in that the coaxial birotor motor (1) includes
At least one of following form:
Form one: folded thick and second rotor (14) the ratio between the folded thickness of the first rotor (12) are as follows: 0.4-0.8；
Form two: second shaft (141) and the first rotating shaft (121) interval be arranged, second shaft (141) it is interior
Diameter is 0.6-3mm bigger than the outer diameter of the first rotating shaft (121)；
Form three: the permanent magnet of the first rotor (12) is set as rare-earth permanent magnet material, the permanent magnetism of second rotor (14)
Body is set as rare-earth permanent magnet material；
Form four: the first motor includes the first stator (11), and second motor includes the second stator (13), and described first
The shape phase of the shape of the cross section of the stator core of stator (11) and the cross section of the stator core of second stator (13)
Together.
10. a kind of broken wall cooking machine, which is characterized in that the broken wall cooking machine (10) includes pedestal (3) and is connected to the bottom
Crushing container (2) above seat (3) is provided with the coaxial birotor according to claim 8 or 9 in the pedestal (3)
Motor (1) is equipped with the first main crushed piece (4) and the second pair crushed piece (5), second shaft in the crushing container (2)
(141) one end passes through the bottom wall of the crushing container (2) and end is connected with the first main crushed piece (4), and described first turn
One end end for being pierced by second shaft (141) and being located in the crushing container (2) of axis (121) is connected with the second secondary powder
Aster (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141906.XA CN109245400A (en) | 2018-09-28 | 2018-09-28 | Intermediate support, fixed bracket, coaxial birotor motor and broken wall cooking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141906.XA CN109245400A (en) | 2018-09-28 | 2018-09-28 | Intermediate support, fixed bracket, coaxial birotor motor and broken wall cooking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109245400A true CN109245400A (en) | 2019-01-18 |
Family
ID=65054025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811141906.XA Pending CN109245400A (en) | 2018-09-28 | 2018-09-28 | Intermediate support, fixed bracket, coaxial birotor motor and broken wall cooking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109245400A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912365A (en) * | 2019-11-29 | 2020-03-24 | 广东美的制冷设备有限公司 | Motor, fan and air conditioner |
| WO2021036690A1 (en) * | 2019-08-23 | 2021-03-04 | 广东美的生活电器制造有限公司 | Food processing device |
| WO2021057001A1 (en) * | 2019-09-27 | 2021-04-01 | 美的威灵电机技术（上海）有限公司 | Air conditioner outdoor unit and air conditioning apparatus |
| WO2022042783A1 (en) * | 2020-08-26 | 2022-03-03 | Schaeffler Technologies AG & Co. KG | Electric machine arrangement |
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| WO2022042783A1 (en) * | 2020-08-26 | 2022-03-03 | Schaeffler Technologies AG & Co. KG | Electric machine arrangement |
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