CN208782607U - Motor and air supply device - Google Patents
Motor and air supply device Download PDFInfo
- Publication number
- CN208782607U CN208782607U CN201821567575.1U CN201821567575U CN208782607U CN 208782607 U CN208782607 U CN 208782607U CN 201821567575 U CN201821567575 U CN 201821567575U CN 208782607 U CN208782607 U CN 208782607U
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- China
- Prior art keywords
- stator
- protruding portion
- core
- casing
- grooving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
- H02K1/2733—Annular magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
-
- 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
- H02K5/08—Insulating casings
-
- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Frames (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a kind of motor and air supply device.Motor has rotor, stator and casing.Rotor is around the central axis rotation extended up and down.Stator arrangement is in the radial outside of rotor.Casing is configured at the radial outside of stator and is cylindrical in shape.Stator has stator core and insulating part.Stator core includes cricoid core-back；And prominent and interval and multiple teeth for configuring in the circumferential from core-back to radially inner side.At least part of insulating part covering stator core.Casing has the grooving of radially perforation and upper axial end opening.The edge part of grooving has the circumferential width of the grooving with the grooving stage portion that broadens towards radial outside.Have either in core-back and insulating part from peripheral part to radial outside protruding portion outstanding.Protruding portion has the circumferential width of the protruding portion with the protruding portion stage portion that broadens towards radial outside.The inner peripheral surface of protruding portion stage portion is opposite with the outer peripheral surface of grooving stage portion.
Description
Technical field
The utility model relates to motor and air supply devices.
Background technique
The electric motor of the prior art is disclosed in Japanese Kokai 2007-318876.Japanese Kokai 2007-
The peripheral part of the stator core of electric motor disclosed in 318876 is fixed on the inner peripheral portion of casing.In the inner peripheral surface edge week of casing
To being provided with multiple chimeric recess portions.The outer peripheral surface of stator core is provided with the chimeric multiple chimeric protrusions of recess portion chimeric with this.
In the protruding end of chimeric protrusion face with protrusion side gap is formed between the inner peripheral surface of chimeric recess portion.Moreover, in stator core
In addition to be fitted into protrusion other than outer peripheral surface and the casing opposite with the outer peripheral surface inner peripheral surface between be formed with all surface side gaps.Energy
Enough prevent stator core from being pressed by casing to radially inner side by these gaps.Moreover, the inner circumferential shape of stator core can be prevented
Shape deformation.
The electric motor of the prior art as disclosed in Japanese Kokai 2007-318876 is in casing and stator core
Between be provided with gap, it is therefore possible to cause stator core that positional shift occurs radially.As a result, stator core with turn
Deviation is generated in gap between son.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of positioning accuracies that can be improved stator core
Motor and air supply device.
The illustrative motor of the utility model has rotor, stator and casing.Rotor is around the central axis extended up and down
Line rotation.Stator arrangement is in the radial outside of rotor.Casing is cylindrical in shape and is configured at the radial outside of stator.Stator has stator
Iron core and insulating part.Stator core have cricoid core-back and it is prominent from core-back to radially inner side and in the circumferential every
The standard width of a room in an old-style house every and configure multiple teeth.At least part of insulating part covering stator core.Casing has radially perforation and axis
To the grooving of upper end opening.The edge part of grooving has with the grooving that the circumferential width of the grooving broadens towards radial outside
Stage portion.Have either in core-back and insulating part from peripheral part to radial outside protruding portion outstanding.Protruding portion
With the protruding portion stage portion to broaden with the circumferential width towards radial outside and the protruding portion.The inner circumferential of protruding portion stage portion
Face is opposite with the outer peripheral surface of grooving stage portion.The radial outside of the outer peripheral surface of protruding portion towards casing exposes.
In the above-described embodiment, stator is made of multiple segmentation stators.Multiple segmentation stators circumferentially arrange.At least one
There is protruding portion either in the core-back and insulating part of a segmentation stator.
In the above-described embodiment, protruding portion is set to insulating part.
In the above-described embodiment, protruding portion has extension and interconnecting piece.Extension is set to the upper of core-back
Either in side and the downside of core-back, and extend to from the inner circumferential side of core-back the peripheral side of core-back.Even
The connection of the radial outside end of socket part and extension, and axially extend.Protruding portion stage portion is configured at interconnecting piece and and casing
Connection.
In the above-described embodiment, protruding portion is set to core-back.
In the above-described embodiment, protruding portion has the connection for connecting and axially extending with the outer peripheral surface of core-back
Portion.Protruding portion stage portion connect with interconnecting piece and connect with casing.
In the above-described embodiment, the quantity of protruding portion and the quantity of tooth are identical.
In the above-described embodiment, protruding portion is configured at the position being overlapped in the circumferential with tooth.
In the above-described embodiment, at least two protruding portions configure at equal intervals in the circumferential.
In the above-described embodiment, motor has the cap of the radially inner side for being configured at casing and the axial one end of stator
Portion.
The illustrative air supply device of the utility model has the motor of above structure.
In the above-described embodiment, air supply device has the shell and rib of tubular.The shell of tubular is configured at casing
Radial outside.Rib connects casing and shell.
In the above-described embodiment, rib is stator blade.
Illustrative motor and air supply device according to the present utility model, can be improved the positioning accuracy of stator core.
There is the detailed description of the preferred embodiments of the present invention below, referring to attached drawing, can be more clearly understood that this
Above-mentioned and other feature, element, step, the features and advantages of utility model.
Detailed description of the invention
Fig. 1 is the longitudinal section view of air supply device involved in the embodiments of the present invention.
Fig. 2 is the top view of air supply device involved in the embodiments of the present invention.
Fig. 3 is the perspective view of air supply device involved in the embodiments of the present invention.
Fig. 4 is the longitudinal section partial perspective view of air supply device involved in the embodiments of the present invention.
Fig. 5 is the exploded partial perspective view of air supply device involved in the embodiments of the present invention.
Fig. 6 is the partial cross sectional view of air supply device involved in the embodiments of the present invention.
Fig. 7 is the partial cross-section perspective view of air supply device involved in the embodiments of the present invention.
Fig. 8 is the perspective view of the segmentation stator of motor involved in the embodiments of the present invention.
Fig. 9 is the exploded perspective view of the segmentation stator of motor involved in the embodiments of the present invention.
Figure 10 is the partial cross sectional view of the motor of first variation involved in the embodiments of the present invention.
Figure 11 is the perspective view of the segmentation stator of the motor of first variation involved in the embodiments of the present invention.
Figure 12 is that the decomposition of the segmentation stator of the motor of first variation involved in the embodiments of the present invention is vertical
Body figure.
Figure 13 is the top view of the motor of air supply device involved in the embodiments of the present invention.
Figure 14 is the partly enlarged top view of motor involved in the embodiments of the present invention.
Figure 15 is the partial enlargement cross face figure of motor involved in the embodiments of the present invention.
Figure 16 is the partial perspective view of motor involved in the embodiments of the present invention.
Figure 17 is the perspective view in the cap portion of motor involved in the embodiments of the present invention.
Figure 18 is the side view in cap portion involved in the embodiments of the present invention.
Figure 19 is the side view of cap portion and stator involved in the embodiments of the present invention.
Figure 20 is the partial enlargement cross face figure of the motor of the second variation involved in the embodiments of the present invention.
Figure 21 is the perspective view in the cap portion of the motor of third variation involved in the embodiments of the present invention.
Specific embodiment
Hereinafter, being described in detail referring to illustrative embodiment of the attached drawing to the utility model.In the present specification,
The direction that the central axis of motor is extended be referred to as " axial direction ", by centered on the central axis of motor simultaneously and central axis
Vertical direction is referred to as " radial direction ", will be referred to as " circumferential direction " along the direction of the circular arc centered on the central axis of motor.Horse
The central axis reached is consistent with the central axis of air supply device.Also, in the present specification, for ease of description, by axial work
For up and down direction, shape using the up and down direction in Fig. 1 as the up and down direction of motor and air supply device and to each section and
Positional relationship is illustrated." upside " of motor and air supply device is " exhaust side ", and " downside " is " air inlet side ".In addition, should
The definition of up and down direction and the direction and positional relationship of non-limiting motor and air supply device when in use.Also, in this theory
In bright book, " longitudinal section " will be referred to as with axial parallel section, " cross section " will be referred to as with axially vertical section, it will be with axial direction
Vertical cutting end surface is referred to as " cross face ".Also, it " parallel " that uses in the present specification, " vertical " is not strictly anticipating
Indicate parallel, vertical in justice, comprising substantially parallel, substantially vertical.
Fig. 1 is the longitudinal section view of air supply device 1 involved in the embodiments of the present invention.Fig. 2 is the utility model
Embodiment involved in air supply device 1 top view.Fig. 3 is air supply device involved in the embodiments of the present invention
1 perspective view.
Air supply device 1 has shell 2, stator blade 3, impeller 4 and motor 5.
Shell 2 is configured at than impeller 4 and motor 5 at the position of radial outside.Shell 2 is and axially vertical section
Rounded tubular.
Stator blade 3 is configured between shell 2 and the aftermentioned casing 51 of motor 5.Stator blade 3 is by the inner peripheral surface of shell 2
The rib being connect with the outer peripheral surface of casing 51.In addition, in the present embodiment, shell 2, stator blade 3 and casing 51 are by same portion
Part is constituted, but can also be made of mutually independent single component.Moreover, multiple stator blades 3 are in the circumferential at predetermined intervals
Configuration, extends in the up-down direction respectively.The top of stator blade 3 relative to stator blade 3 lower part to before the direction of rotation of impeller 4
Square lateral bend.
Impeller 4 is configured at the downside of the radially inner side of shell 2 and motor 5.Impeller 4 is fixed on the aftermentioned axis 53 of motor 5.
Impeller 4 is by motor 5 around the central axis C1 rotation extended up and down.Impeller 4 has multiple leaves arranged at equal interval in the circumferential
Piece 41.
Motor 5 is configured at the upside of the radially inner side of shell 2 and impeller 4.Motor 5 is supported by stator blade 3 by shell 2.
Motor 5 rotates impeller 4 around central axis C1.Motor 5 has casing 51, bearing 52, axis 53, stator 54, rotor 55 and cap
Portion 56.
Casing 51 is cylindrical in shape and is configured at the radial outside of stator 54.Casing 51 is to upper and lower opening.Casing 51 is matched in upside
It is equipped with cap portion 56, is configured with bearing 52 in downside.Casing 51 has bearing cage 511, motor maintaining part 512 and grooving
513。
Bearing cage 511 is configured at the lower part of casing 51.Bearing 52 is maintained in the inner peripheral portion of bearing cage 511.
Bearing 52 is for example made of the ball bearing of lower a pair of of configuration above, but can also be made of sleeve bearing etc..It is kept in bearing
The bottom center in portion 511 is configured with the hole portion 51A along central axis C1 up and down.
Motor maintaining part 512 and grooving 513 are configured at the top of casing 51.It is protected in the inner peripheral portion of motor maintaining part 512
Hold motor 5.Grooving 513 radially penetrates through casing 51, and upper axial end is open.That is, grooving 513 radially penetrates through casing
51, and it is axial open at one end.The detailed construction of grooving 513 is described later.
Axis 53 is configured along central axis C1.Axis 53 is the columnar component extended up and down.Axis 53 is by upper and lower a pair of bearings 52
Bearing is that can rotate relative to casing 51 around central axis C1.
Stator 54 is configured at the radially inner side of casing 51.Stator 54 is configured at the radial outside of rotor 55.Stator 54 has
Stator core 541, insulating part 542 and coil 543.
Stator core 541 is in the ring-type centered on central axis C1.The appearance of the encirclement stator core 541 of insulating part 542
Face.Coil 543 is made of the conducting wire being wound in around stator core 541 across insulating part 542.Later to the detailed of stator 54
Fine texture is described.
Rotor 55 is configured at the radially inner side of stator 54.Rotor 55 is around the central axis C1 rotation extended up and down.Rotor 55
With magnet 551.The cylindrical shape of magnet 551, is fixed on the axis 53 being inserted into inside.Magnet 551 is configured at stator core
541 radially inner side, and it is opposite with stator core 541 radially.
Cap portion 56 is configured at the upper end side of the radially inner side of casing 51 and stator 54.That is, cap portion 56 is configured at casing 51
The axial one end of radially inner side and stator 54.The upper end of the opening of 56 sealing machine shell 51 of cap portion.Later to the detailed of cap portion 56
Fine texture is described.
In the air supply device 1 of above structure, when the coil 543 to motor 5 supplies driving current, in stator core
Radial magnetic flux is generated in 541.It plays a role by the magnetic field of the magnetic flux generation of stator 54 and by the magnetic field that magnet 551 generates,
Torque is generated in the circumferential direction of rotor 55.Rotor 55 and impeller 4 are rotated centered on central axis C1 using the torque.Such as figure
As shown in the R1 of direction of rotation in 2, impeller 4 rotates clockwise when air supply device 1 from upside.It is rotated in impeller 4
When, air-flow is generated by multiple blades 41.That is, can generate by air inlet side of downside in air supply device 1 and be row with upside
The air-flow of gas side is blown.The air of the inside of air supply device 1 is inhaled between shell 2 and casing 51 in the circumferential
It circulates between adjacent stator blade 3.
Fig. 4 is the longitudinal section partial perspective view of air supply device 1 involved in the embodiment of the technical program.Fig. 5 is this
The exploded partial perspective view of air supply device 1 involved in the embodiment of technical solution.Fig. 6 is the embodiment of the technical program
The partial cross sectional view of related air supply device 1.In addition, for ease of description, coil is omitted in Fig. 5 attached drawing below
543 description.
It has been observed that grooving 513 is configured at the top of casing 51.Grooving 513 is linearly to be extended up and down, and is radially penetrated through
Casing 51.Upper axial end upward side opening of the upper axial end of grooving 513 in casing 51.Such as six groovings 513 are in the circumferential
Arranged at equal intervals.Grooving 513 is constituted with quantity identical with aftermentioned protruding portion 5423.
The edge part 513a of grooving 513 has grooving stage portion 5131.Grooving stage portion 5131 is linearly along grooving 513
Extend up and down.The circumferential width of the grooving 513 of grooving stage portion 5131 broadens with towards radial outside.That is, grooving 513
The circumferential width of radial outer end is wider than the circumferential width of the radial inner end of grooving 513.
Fig. 7 is the partial cross-section perspective view of air supply device 1 involved in the embodiments of the present invention.Fig. 8 is this
The perspective view of the segmentation stator 54A of motor 5 involved in the embodiment of utility model.Fig. 9 is the embodiment party of the utility model
The exploded perspective view of the segmentation stator 54A of motor 5 involved in formula.
Stator core 541 is in the ring-type centered on central axis C1.Multiple are laminated in stator core 541 in the up-down direction
The electromagnetic steel plates such as silicon steel plate and constitute.Stator core 541 has core-back 5411 and multiple teeth 5412.Core-back 5411 is in
Ring-type centered on central axis C1.Multiple teeth 5412 are prominent from the inner peripheral surface of core-back 5411 towards radially inner side.It is more
A tooth 5412 in the circumferential interval and configure.
Insulating part 542 is configured at around stator core 541.Insulating part 542 covers at least one of stator core 541
Point.That is, the inner peripheral portion of tooth 5412 and the outer peripheral surface of the region opposite with rotor 55 and core-back 5411 reveal from insulating part 542
Out.Insulating part 542 is configured between stator core 541 and coil 543.Insulating part 542 is divided into and multiple teeth in the circumferential
5412 identical quantity, and it is configured at multiple teeth 5412 one by one.Insulating part 542 is, for example, the portion with insulating properties such as synthetic resin
Part.
Insulating part 542 has upper insulating part 5421 and lower insulating part 5422.Upper insulating part 5421 covers the upside of tooth 5412.
Lower insulating part 5422 covers the downside of tooth 5412.The upper-end contact of the lower end of upper insulating part 5421 and lower insulating part 5422.
Upper insulating part 5421 has protruding portion 5423.Protruding portion 5423 is from the peripheral part of upper insulating part 5421 to radial outside
It is prominent.Protruding portion 5423 is in generally cylindrical linearly to extend up and down.Protruding portion 5423 has protruding portion stage portion 5423a.
Protruding portion stage portion 5423a is along the linearly extension up and down of protruding portion 5423.In protruding portion stage portion 5423a,
The circumferential width of protruding portion 5423 broadens with towards radial outside.That is, the circumferential width of the radial outer end of protruding portion 5423
Circumferential width than the radial inner end of protruding portion 5423 is wide.In the present embodiment, protruding portion stage portion 5423a is in protruding portion
5423 radial outer end is along prominent with radial vertical direction.Can also make the circumferential width of protruding portion stage portion 5423a with
It gradually broadens towards radial outside.In this case, the inner peripheral surface of protruding portion stage portion 5423a is inclined surface.
In addition, the grooving 513 comprising grooving stage portion 5131 is all collecting bag stage portion containing protruding portion 5423a's inwardly
Protruding portion 5423.
If the stator 54 of motor 5 is fixed on casing 51, as shown in Fig. 6 and Fig. 7, protruding portion stage portion 5423a's
Inner peripheral surface is opposite with the outer peripheral surface of grooving stage portion 5131.The outer peripheral surface of protruding portion 5423 is exposed to the radial outside of casing 51.
According to the structure of above embodiment, protruding portion 5423 is stuck in grooving 513, and stator core 541 is not inside to diameter
Side displacement.That is, can be improved the positioning accuracy in the radial direction of stator core 541.Thus, it is possible to keep stator 54 and rotor 55 it
Between interval.
Stator 54 is for example made of six segmentation stator 54A.In addition, in the present embodiment, dividing the quantity of stator 54A
It is six, but is not limited to six, is also possible to other quantity.Six segmentation stator 54A are arranged in the circumferential.Segmentation is fixed
Sub- 54A is respectively provided with segmentation iron core 541A and insulating part 542.
Segmentation iron core 541A has segmentation iron core back 5411A and tooth 5412.Segmentation iron core back 5411A is in central axis
Substantially arc-shaped centered on line C1.Six segmentation iron core back 5411A are configured to and arranging in the circumferential with central axis
Cricoid core-back 5411 centered on line C1.Tooth 5412 is prominent from the inner peripheral portion of segmentation iron core back 5411A to radially inner side
Out.Six teeth 5412 in the circumferential interval and configure.
Insulating part 542 is configured at six segmentation iron core 541A one by one respectively.The upper insulating part 5421 of insulating part 542 has prominent
Portion 5423 out.In addition, be the structure that six segmentation stator 54A are respectively provided with protruding portion 5423 in the present embodiment, but only
Want at least one segmentation stator 54A that there is protruding portion 5423.
In the case where stator 54 is made of multiple segmentation stator 54A, the position of each segmentation stator 54A is easy in radial direction
It is upper to conjugate.Especially because being configured with magnet 551 in the inside of segmentation stator 54A, therefore it is easy to conjugate inwardly.It is logical
Above structure is crossed, can prevent segmentation stator 54A from conjugating to radially inner side.Thus, it is possible to keep being made of segmentation stator 54A
Interval between stator 54 and rotor 55.
Insulating part 542 is the component that synthetic resin etc. has insulating properties.Therefore, by the way that protruding portion is arranged in insulating part 542
5423, protruding portion 5423 easy to form.Further, it is possible to reduce the cost of motor 5.
Protruding portion 5423 has extension 5423b and interconnecting piece 5423c.
Extension 5423b is set to the upside of segmentation iron core back 5411A.Extension 5423b is from segmentation iron core back
The inner circumferential side of 5411A extends to the peripheral side of segmentation iron core back 5411A.
The upper end of interconnecting piece 5423c is connect with the radial outside end of extension 5423b.Interconnecting piece 5423c along axial direction with
It is linear to extend up and down, and in generally cylindrical.That is, the inner peripheral surface of the outer peripheral surface of segmentation iron core back 5411A and interconnecting piece 5423c
Relatively.Protruding portion stage portion 5423a is configured at interconnecting piece 5423c.Protruding portion stage portion 5423a is linear along interconnecting piece 5423c
Shape extends up and down.Protruding portion stage portion 5423a is connect with the grooving 513 of casing 51.
According to the structure of the protruding portion 5423, can be easy protruding portion 5423 being set to insulating part 542.Further, it is possible to
It is easy insulating part 542 being installed on stator 54.
The quantity of protruding portion 5423 is identical as the quantity of tooth 5412.That is, protruding portion 5423 is set to six points one by one respectively
Cut stator 54A.According to this structure, can be balanced and stator 54 be impartially fixed on casing 51.
The circumferential central portion of tooth 5412 from the inner peripheral portion of segmentation iron core back 5411A is prominent to radially inner side.Protruding portion
5423 protrude from the circumferential central portion of the peripheral part of upper insulating part 5421 to radial outside.That is, protruding portion 5423 is configured at
At the position being overlapped in circumferential direction with tooth 5412.For example, it is assumed that being set to the circumferential end of insulating part 542 in protruding portion 5423
In the case of, the center of gravity of each insulating part 542 is biased against circumferential side, not easy to install.But according to the structure of the embodiment, make
In the case where with so-called segmentation iron core 541A or expansion iron core, it is easy insulating part 542 being installed on stator core 541.As a result,
It can be improved workability involved in the assembling of motor 5.
Six protruding portions 5423 configure at equal intervals in the circumferential.In addition, the quantity of protruding portion 5423 is for example also possible to two
A, other quantities such as three.Whether any amount all configures at least two protruding portions 5423 at equal intervals in the circumferential.Root
According to the structure, compared with the case where protruding portion 5423 is biased against configuration, stator 54 balancedly can be fixed on casing 51.In addition,
In the case where dividing stator 54A, at least one protruding portion 5423 is preferably provided with one by one respectively in segmentation stator 54A.
Air supply device 1 has the motor 5 of above structure.Thus, in air supply device 1, it can suitably keep the motor 5
Stator 54 and rotor 55 between interval.
Moreover, air supply device 1 has the shell 2 of tubular and connects the casing 51 of motor 5 and the rib (stator blade 3) of shell 2.
Air supply device 1 can form air flow path between shell 2 and casing 51 as a result,.Protruding portion 5423 can be made to be exposed to sky
Current path, so as to further increase the cooling effect of stator 54.Also, due to the rib for connecting casing 51 with shell 2
It is stator blade 3, therefore the air-flow flowed in the air flow path between shell 2 and casing 51 can be rectified.
Figure 10 is that the partial cross-section of the motor 5 of first variation involved in the embodiments of the present invention is three-dimensional
Figure.Figure 11 is the perspective view of the segmentation stator 54A of the motor 5 of first variation involved in the embodiments of the present invention.
Figure 12 is the exploded perspective view of the segmentation stator 54A of the motor 5 of first variation involved in the embodiments of the present invention.
Stator 54 is for example made of six segmentation stator 54A.The segmentation iron core 541A for dividing stator 54A has segmentation iron core
Back 5411A and tooth 5412.
Protruding portion 5413 is set to segmentation iron core back 5411A.Protruding portion 5413 is from the periphery of segmentation iron core back 5411A
Portion is prominent to radial outside.Protruding portion 5413 has protruding portion stage portion 5413a.
Protruding portion stage portion 5413a is along the linearly extension up and down of protruding portion 5413.Protruding portion stage portion 5413a is prominent
The circumferential width in portion 5413 is with the structure to broaden towards radial outside.That is, the peripheral width of the radial outer end of protruding portion 5413
It spends wider than the circumferential width of the radial inner end of protruding portion 5413.
Protruding portion 5413 has interconnecting piece 5413b.Interconnecting piece 5413b is connect with the outer peripheral surface of segmentation iron core back 5411A.
Interconnecting piece 5413b is in generally cylindrical, and along axial direction linearly to extend up and down.Protruding portion stage portion 5413a and interconnecting piece 5413b
Connection.Protruding portion stage portion 5413a linearly extends up and down along interconnecting piece 5413b.Protruding portion stage portion 5413a and casing 51
Grooving 513 connect.
According to the structure of the protruding portion 5413, can be easy for protruding portion 5413 to be set to segmentation iron core back 5411A.
By the way that protruding portion 5423 is arranged in core-back 5411, the intensity of protruding portion 5413 can be improved, and can be into
The positioning accuracy of one step raising stator core 541.Also, stator core 541 can be made to be exposed to casing as protruding portion 5413
51 radial outside, so as to improve the cooling effect of stator 54.
Figure 13 is the top view of the motor 5 of air supply device 1 involved in the embodiments of the present invention.Figure 14 is this reality
The partly enlarged top view of motor 5 involved in novel embodiment.Figure 15 is involved by the embodiments of the present invention
And motor 5 partial enlargement cross face figure.Figure 16 is the sectional perspective of motor 5 involved in the embodiments of the present invention
Figure.Figure 17 is the perspective view in the cap portion 56 of motor 5 involved in the embodiments of the present invention.Figure 18 is the utility model
The side view in cap portion 56 involved in embodiment.Figure 19 is cap portion 56 involved in the embodiments of the present invention and determines
The side view of son 54.In addition, for ease of description, the lead drawn from stator 54 is omitted in the attached drawing other than Figure 13
57 description.
It has been observed that cap portion 56 is configured at the upper end side of the radially inner side of casing 51 and stator 54.Cap portion 56 is lower opening
And there is the substantially cylindric component of lid in upside.Cap portion 56 has protrusion 561.
Protrusion 561 is prominent from the peripheral part in cap portion 56 to radial outside.That is, cap portion 56 has from peripheral part to radial outside
Protrusion 561 outstanding.Present the generally cylindrical of lower extension in protrusion 561.Such as three protrusions 561 arranged at equal intervals in the circumferential.
Protrusion 561 is accommodated in grooving 513.
According to the structure of above embodiment, by being accommodated in protrusion 561 in grooving 513, it can prevent cap portion 56 from existing
Week moves up.That is, being able to carry out the positioning in cap portion 56.Moreover, stator 54 can be prevented in the axial direction by setting cap portion 56
It is mobile.That is, being able to carry out the positioning of stator 54.
As shown in figure 15, the circumferential exterior surface of protrusion 561 is contacted with the edge part 513a of grooving 513.According to this structure, energy
Enough improve the fixing intensity in cap portion 56 and casing 51.
As shown in figure 15, the edge part 523a of grooving 513 has the circumferential width of the grooving 513 with towards radial outside
And the grooving stage portion 5131 to broaden.The outer peripheral surface of protrusion 561 is located at the outer peripheral surface than grooving stage portion 5131 by radial outside
Position at.According to this structure, the inner peripheral portion in protrusion 561 firmly fixes cap portion 56 and casing 51.As a result, easily by cap
Portion 56 is embedded in casing 51.
The radial position of the outer peripheral surface of protrusion 561 is identical as the radial position of the outer peripheral surface of casing 51.According to this structure, energy
Enough flush the outer peripheral surface of protrusion 561 and the outer peripheral surface of casing 51.Thereby, it is possible to realize the miniaturization of motor 5.Also, due to
Protrusion 561 is prominent towards radial outside not than the periphery of casing 51, therefore can be avoided as between shell 2 and casing 51
Air flow path in flow air-flow obstruction.
As shown in figure 18, the circumferential width of protrusion 561 narrows with axially move closer to stator 54.That is, under protrusion 561
The circumferential width W1 at end is narrower than the circumferential width W2 of the upper end of protrusion 561.In addition, the circumferential width of grooving 513 and protrusion 561
The circumferential width W2 of upper end is roughly the same.According to this structure, it is easy for be inserted into grooving 513 protrusion 561.Also, it is forming
When cap portion 56, it can be easy to extract cap portion 56 from mold, be easy molding.
As shown in Figure 17 and Figure 18, cap portion 56 has cover 562 and canister portion 563.Cover 562 is in the upper end in cap portion 56
Portion radially broadens substantially disk-shaped.The downward lateral edge of the peripheral part of canister portion 563 from cover 562 is axially extending.Protrusion 561 is arranged
In the peripheral part of canister portion 563.Cap portion 56 is by that can be firmly fixed at the radially inner side of casing 51 with canister portion 563.
The axial position of the upper surface of protrusion 561 is identical as the axial position of the upper surface of cover 562.That is, protrusion 561
The axis of the axial end face of the side of the separate stator 54 of the axial position and cover 562 of the axial end face of side far from stator 54
It is identical to position.According to this structure, cap portion 56 can be prevented enlarged.Moreover, motor 5 can be prevented enlarged.
The lower surface of protrusion 561 is configured at the lower surface than canister portion 563 close to the side of stator 54.That is, protrusion 561 is leaned on
The axial end face of the side of nearly stator 54 is configured at the axial end face of the side of the close stator 54 than canister portion 563 by stator 54
Side.The lower end of protrusion 561 is more prominent towards downside than the lower surface of canister portion 563.
As shown in figure 19, the lower surface of protrusion 561 is contacted with the upper surface of stator 54.As a result, the lower surface of canister portion 563 every
Gap S1 it is opposite with the upper surface of stator 54.That is, the axial end face of the side of the close stator 54 of canister portion 563 is across gap S1
It is opposite with the axial end face of side of close canister portion 563 of stator 54.According to this structure, can from the canister portion 563 in cap portion 56 with
Gap S1 between stator 54 radiates.Also, it by setting gap S1, is leant out in the conducting wire of stator 54 to radial outside
In the case of, it can prevent conductor configurations between cap portion 56 and stator core 541.That is, being able to suppress cap portion 56 because conducting wire is in axis
Displacement occurs upwards and causes positional shift.
Canister portion 563 has opening portion 564.About 564 opening portion extends, and radially penetrates through canister portion 563.Opening portion 564
Lower axial end canister portion 563 lower axial end to lower opening.
As shown in figure 13, motor 5 has lead 57.In the present embodiment, lead 57 is, for example, three, but can also be with
It is one or other radicals.Lead 57 is drawn from the coil 543 of stator 54.Lead 57 is configured at the opening portion 564 in cap portion 56.Root
According to the structure, the lead 57 for being used to supply stator 54 driving current easily can be passed through into opening portion 564 and guided to cap
The outside in portion 56.
In addition, opening portion 564 is configured at the radially inner side of grooving 513.Opening portion 564 be configured in the circumferential with grooving
513 positions being overlapped.According to this structure, lead 57 easily can be passed through into opening portion 564 and grooving 513 and guided to cap
The outside in portion 56.
Casing 51 has grooving enlarged portion 514.Grooving enlarged portion 514 is configured in the axially open side of a grooving 513
At the position being overlapped in the circumferential with the grooving 513.Grooving enlarged portion 514 is linearly to be extended up and down, and radially penetrates through machine
Shell 51.Upper axial end upward side opening of the upper axial end of grooving enlarged portion 514 in casing 51.The circumferential direction of grooving enlarged portion 514
Width is wider than the circumferential width of grooving 513.The opening portion 564 in cap portion 56 is configured to be overlapped with grooving enlarged portion 514 in the circumferential
Position at.According to this structure, lead 57 easily can be passed through into opening portion 564 and grooving enlarged portion 514 and guided extremely
The outside in cap portion 56.Also, even if 5 high output of motor and cause lead 57 thicker or the multiple leads 57 of setting, also can
Arrangement lead 57 is easy by setting grooving enlarged portion 514.
In addition, as shown in figure 14, the circumferential width W3 of grooving enlarged portion 514 is narrower than the circumferential width W4 of opening portion 564.Root
According to the structure, it can prevent the multiple leads 57 drawn from opening portion 564 from spread in the circumferential without bunchy.Thus, it is possible to whole
Lead 57 is arranged together.
The edge part of circumferential side in the edge part of grooving enlarged portion 514 axially extended has rake 5141.
Rake 5141 is the structure to broaden with the circumferential width towards radial outside and grooving enlarged portion 514.That is, grooving enlarged portion
The circumferential width of 514 radial outer end is wider than the circumferential width of the radial inner end of grooving enlarged portion 514.According to this structure, can
Lead 57 is drawn from grooving enlarged portion 514 along rake 5141.In the case where being provided with more lead 57, as long as at least one
Root lead 57 is along rake 5141.
Air supply device 1 has the motor 5 of above structure.Thus, in air supply device 1, the motor 5 can be properly located
Cap portion 56.
Moreover, because air supply device 1 has the shell 2 of tubular and connects the casing 51 of motor 5 and the rib (stator blade of shell 2
Piece 3), therefore protrusion 561 can be made to expose to air flow path.Thus, it is possible to further increase the cooling effect of stator 54.
Stator blade 3 as connection casing 51 and the rib of shell 2 is configured at the attached of the rake 5141 of grooving enlarged portion 514
Closely.It according to this structure, can be by the lead 57 drawn along the rake 5141 of grooving enlarged portion 514 from casing 51 along stator blade
Piece 3 is guided to shell 2.The obstruction of the air-flow flowed in air flow path thereby, it is possible to prevent lead 57 from becoming.It is being provided with
In the case where more leads 57, as long as at least one lead 57, which along stator blade 3, is able to suppress, to be become in air flow path
The obstruction of the air-flow of flowing.
Figure 20 is the partial enlargement cross face of the motor 5 of the second variation involved in the embodiments of the present invention
Figure.
Motor 5 has bonding agent 58 between protrusion 561 and the edge part 513a of grooving 513 in the circumferential.That is, protrusion
561 circumferential exterior surface is opposite with the edge part 513a of grooving 513 across bonding agent 58.Bonding agent 58 is set to protrusion 561
Between the protrusion 561 of circumferential two sides and the edge part 513a of grooving 513.According to this structure, cap portion 56 and casing 51 be can be improved
Fixing intensity.
Figure 21 is the perspective view in the cap portion 56 of the motor 5 of third variation involved in the embodiments of the present invention.
Cap portion 56 has cover 562.Cover 562 is substantially disk-shaped in radially broadening in the upper end in cap portion 56.It is convex
Portion 561 is set to the peripheral part of cover 562.The upper end of protrusion 561 is connect with the peripheral part of cover 562.Protrusion 561 is from cover
562 peripheral part is prominent to radial outside, and extends than the lower surface of cover 562 towards downside.According to this structure, can make
56 lightweight of cap portion.Further, it is possible to inhibit the usage amount of material needed for forming cap portion 56.
More than, the embodiments of the present invention is illustrated, but the scope of the utility model is not limited to
This, is able to carry out various changes in the range of not departing from the purport of utility model to implement.Also, above embodiment and its
Variation being capable of suitably any combination.
The utility model can for example be used in motor and air supply device.
Claims (13)
1. a kind of motor, includes
Rotor, around the central axis rotation extended up and down；
Stator is configured at the radial outside of the rotor；And
The casing of tubular is configured at the radial outside of the stator,
The stator includes
Stator core is protruded with cricoid core-back and from the core-back to radially inner side and is separated in the circumferential
The multiple teeth for being spaced and configuring；And
Insulating part covers at least part of the stator core,
It is characterized in that,
The casing has the grooving of radially perforation and upper axial end opening,
The edge part of the grooving has with the grooving stage portion that the circumferential width of the grooving broadens towards radial outside,
Have either in the core-back and the insulating part from peripheral part to radial outside protruding portion outstanding,
The protruding portion has with the protruding portion stage portion that the circumferential width of the protruding portion broadens towards radial outside,
The inner peripheral surface of the protruding portion stage portion is opposite with the outer peripheral surface of the grooving stage portion,
The outer peripheral surface of the protruding portion is exposed to the radial outside of the casing.
2. motor according to claim 1, which is characterized in that
The stator is made of multiple segmentation stators,
Multiple segmentation stators circumferentially arrange,
There is the protruding portion either in the core-back of at least one segmentation stator and the insulating part.
3. motor according to claim 1 or 2, which is characterized in that
The protruding portion is set to the insulating part.
4. motor according to claim 3, which is characterized in that
The protruding portion includes
Extension, either is set in the upside of the core-back and the downside of the core-back, and from institute
The inner circumferential side for stating core-back extends to the peripheral side of the core-back；And
Interconnecting piece connect with the radial outside end of the extension, and axially extends,
The protruding portion stage portion is configured at the interconnecting piece and connect with the casing.
5. motor according to claim 1 or 2, which is characterized in that
The protruding portion is set to the core-back.
6. motor according to claim 5, which is characterized in that
The protruding portion has the interconnecting piece for connecting and axially extending with the outer peripheral surface of the core-back,
The protruding portion stage portion connect with the interconnecting piece and connect with the casing.
7. motor according to claim 1 or 2, which is characterized in that
The quantity of the protruding portion is identical as the quantity of the tooth.
8. motor according to claim 1 or 2, which is characterized in that
The protruding portion is configured at the position being overlapped in the circumferential with the tooth.
9. motor according to claim 1 or 2, which is characterized in that
At least two protruding portions configure at equal intervals in the circumferential.
10. motor according to claim 1 or 2, which is characterized in that
The motor has the cap portion of the radially inner side for being configured at the casing and the axial one end of the stator.
11. a kind of air supply device, which is characterized in that
The air supply device has motor described in any one of claims 1 to 10.
12. air supply device according to claim 11, which is characterized in that
The air supply device includes
The shell of tubular is configured at the radial outside of the casing；And
Rib connects the casing and the shell.
13. air supply device according to claim 12, which is characterized in that
The rib is stator blade.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017228687A JP2019103168A (en) | 2017-11-29 | 2017-11-29 | Motor and blower |
| JP2017-228687 | 2017-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208782607U true CN208782607U (en) | 2019-04-23 |
Family
ID=66162334
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811114700.8A Withdrawn CN109842231A (en) | 2017-11-29 | 2018-09-25 | Motor and air supply device |
| CN201821567575.1U Expired - Fee Related CN208782607U (en) | 2017-11-29 | 2018-09-25 | Motor and air supply device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811114700.8A Withdrawn CN109842231A (en) | 2017-11-29 | 2018-09-25 | Motor and air supply device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2019103168A (en) |
| CN (2) | CN109842231A (en) |
| DE (1) | DE102018220519A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102351793B1 (en) * | 2020-04-29 | 2022-01-17 | 엘지전자 주식회사 | Electric motor assembly and hair dryer having the same |
| KR102327895B1 (en) * | 2020-04-29 | 2021-11-17 | 엘지전자 주식회사 | Electric motor assembly and hair dryer having the same |
| KR102327896B1 (en) * | 2020-05-06 | 2021-11-17 | 엘지전자 주식회사 | Electric motor assembly and hair dryer having the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458525A (en) * | 1973-07-25 | 1976-12-15 | Lucas Electrical Ltd | Method of manufacturing stator assemblies for dynamo electric machines |
| JP4857910B2 (en) | 2006-05-24 | 2012-01-18 | 株式会社豊田自動織機 | Electric motor and electric compressor |
| CN201947085U (en) * | 2011-01-25 | 2011-08-24 | 江门市力丰电机有限公司 | Insulating sleeve of stator of electric motor |
| CN205544731U (en) * | 2015-05-29 | 2016-08-31 | 日本电产株式会社 | Air supply device and dust collector |
-
2017
- 2017-11-29 JP JP2017228687A patent/JP2019103168A/en active Pending
-
2018
- 2018-09-25 CN CN201811114700.8A patent/CN109842231A/en not_active Withdrawn
- 2018-09-25 CN CN201821567575.1U patent/CN208782607U/en not_active Expired - Fee Related
- 2018-11-28 DE DE102018220519.1A patent/DE102018220519A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018220519A1 (en) | 2019-05-29 |
| CN109842231A (en) | 2019-06-04 |
| JP2019103168A (en) | 2019-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 |