CN103855842A - Rotating shaft combination module of motor and manufacturing method of module - Google Patents
Rotating shaft combination module of motor and manufacturing method of module Download PDFInfo
- Publication number
- CN103855842A CN103855842A CN201310053273.8A CN201310053273A CN103855842A CN 103855842 A CN103855842 A CN 103855842A CN 201310053273 A CN201310053273 A CN 201310053273A CN 103855842 A CN103855842 A CN 103855842A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- bearing
- coupling unit
- shaft coupling
- shell
- 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.)
- Pending
Links
Images
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
- H02K7/003—Couplings; Details of shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
- F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- 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
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
-
- 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
- H02K7/08—Structural association with bearings
- H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Abstract
The invention provides a rotating shaft combination module of a motor and a manufacturing method of the module. The rotating shaft combination module of the motor comprises a housing used for the installation of a stator and a rotor, bearings installed on the housing and a rotating shaft, of the rotor, being coupled to the bearings. The outer rings of the bearings are forcibly embedded into the housing, and the inner rings of the bearings are loosely embedded into the rotating shaft.
Description
Technical field
The present invention relates to rotating shaft coupling unit and the manufacture method thereof of motor.
Background technology
Use the shell of aluminium (Al) material in the structure of motor (Motor) time, once carry out High Rotation Speed, produce more heat at bearing place.
Textural, rotating shaft is become to force chimeric (Strong system is chimeric) with design bearing, shell is become to become flexible chimeric (Slow is chimeric) with design bearing.Under this condition, be subject to adding thermal expansion and adiabatic contraction once use motor constantly, because the shell of aluminium (Al) material is different with the thermal coefficient of expansion of the bearing outer ring of steel (Steel) material, so in having passed through dilation process repeatedly, between bearing and shell bonding part destroyed.
Thus, in the time making motor rotation, there is the phenomenon that bearing outer ring also dallies together, therefore, both the efficiency of motor was exerted an influence, also have the problem that makes the motor lost of life because of the fault of bearing outer ring.
Patent documentation 1: Korean Patent discloses No. 1997-0029546
Summary of the invention
One object of the present invention is to provide a kind of rotating shaft coupling unit and manufacture method thereof of the motor with firm combined structure.
Another object of the present invention is rotating shaft coupling unit and the manufacture method thereof of the motor of the phenomenon that a kind of idle running that prevents bearing is provided.
The rotating shaft coupling unit of the motor of one embodiment of the invention comprises: for the shell of stator and rotor is installed; Be installed on the bearing of described shell; The rotating shaft of the described rotor of being combined with described bearing, the outer ring of described bearing and described shell are forced chimeric, the inner ring of described bearing and described rotating shaft are become flexible chimeric, the rotating shaft coupling unit of this motor can also comprise cement, and this cement is coated between the inner ring of described bearing and described rotating shaft and the described inner ring of described bearing and described rotating shaft are interfixed.
In addition, in the rotating shaft coupling unit of the motor of an embodiment, described bearing can be made up of ball bearing.
In addition, in the rotating shaft coupling unit of the motor of an embodiment, can also comprise elastic component, this elastic component is positioned at the inside of described shell and along axially the described inner ring of described bearing being applied to precompression.
In addition, in the rotating shaft coupling unit of the motor of an embodiment, described elastic component is made up of helical spring, and described elastic component can be installed on the outer peripheral face of described rotating shaft.
In addition, in the rotating shaft coupling unit of the motor of an embodiment, be formed with for the chimeric combined hole of described bearing on described shell, the external diameter of described bearing forms greatlyr than the diameter of the combined hole of described shell.
In addition, in the rotating shaft coupling unit of the motor of an embodiment, the internal diameter of described bearing can form greatlyr than the diameter of described rotating shaft.
In addition, in the rotating shaft coupling unit of the motor of an embodiment, described bearing and described rotating shaft can be formed by identical material.
In addition, in the rotating shaft coupling unit of the motor of an embodiment, the material of manufacturing described bearing and described rotating shaft comprises steel (steel).
In addition, in the rotating shaft coupling unit of the motor of an embodiment, the material of manufacturing described shell comprises aluminium or synthetic resin.
On the other hand, the manufacture method of the rotating shaft coupling unit of the motor of one embodiment of the invention can comprise: bearing fixing step, by bearing is forced to be embedded in the shell for stator and rotor are installed, this bearing is fixed; Rotating shaft integrating step, is chimericly combined the rotating shaft of described rotor by loosening with described bearing; Rotating shaft fixing step, is coated in cement between described bearing and described rotating shaft and the inner ring of described bearing and described rotating shaft is fixed.
In addition, in the manufacture method of the rotating shaft coupling unit of the motor of an embodiment, can also comprise precompressed step, this precompressed step, before described rotating shaft fixing step, is further arranged on elastic component the inside of described shell and described bearing is applied to precompression.
In addition, in the manufacture method of the rotating shaft coupling unit of the motor of an embodiment, described elastic component can be arranged to the inner ring of described bearing to apply precompression.
In addition, in the manufacture method of the rotating shaft coupling unit of the motor of an embodiment, described elastic component can be made up of helical spring, and described elastic component is installed on the outer peripheral face of described rotating shaft.
In addition, in the manufacture method of the rotating shaft coupling unit of the motor of an embodiment, can on described shell, be formed with for the chimeric combined hole of described bearing, the external diameter of described bearing forms greatlyr than the diameter of the combined hole of described shell.
In addition, in the manufacture method of the rotating shaft coupling unit of the motor of an embodiment, the internal diameter of described bearing can form greatlyr than the diameter of described rotating shaft.
In addition, in the manufacture method of the rotating shaft coupling unit of the motor of an embodiment, described bearing and described rotating shaft can be formed by identical material.
In addition, in the manufacture method of the rotating shaft coupling unit of the motor of an embodiment, the material of manufacturing described bearing and described rotating shaft comprises steel (steel).
In addition, in the manufacture method of the rotating shaft coupling unit of the motor of an embodiment, the material of manufacturing described shell comprises aluminium or synthetic resin.
The present invention has firm combined structure and can prevent that the junction surface between bearing and shell from cracking (Crack).
In addition, thus, the sky rotation (phenomenon of idle running) of bearing can be prevented, the efficiency of motor can be improved.In addition, can extend the life-span of motor.
Brief description of the drawings
Fig. 1 is the schematic diagram that represents the rotating shaft coupling unit of the motor of embodiments of the invention.
Fig. 2 is the cutaway view that represents the major part of the rotating shaft coupling unit of the motor of embodiments of the invention.
Fig. 3 is the precedence diagram that represents the manufacture method of the rotating shaft coupling unit of the motor of embodiments of the invention.
Description of reference numerals
10 shells; 11 resettlement sections; 12 combined holes; 15 main bodys; 16 covers; 20 stators; 21 stator cores; 22 coils; 30 rotors; 31 rotating shafts; 32 rotor cores; 33 magnets; 50,60 bearings; 51,61 inner rings; 52,62 balls; 53,63 outer rings; 70,80 cements; 90 elastic components.
Embodiment
By the following detailed description according to accompanying drawing and preferred embodiment and further object clearly of the present invention, outstanding advantage and feature.In this manual, it should be noted that this point: in the time of the inscape mark Reference numeral to each figure, as long as same inscape, even if be illustrated in different figure, also mark as much as possible same Reference numeral.In addition, the terms such as " simultaneously ", " another side ", " the 1st ", " the 2nd " are used for distinguishing an inscape and other inscapes, and inscape is not limited by described term.Below, in the time that explanation is of the present invention, omitted for the detailed description that likely makes the unclear known technology of purport of the present invention.
Below, with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.
Fig. 1 is the cutaway view that represents the rotating shaft coupling unit of the motor of embodiments of the invention.
During with reference to figure 1, the rotating shaft coupling unit of the motor of embodiments of the invention comprises shell 10, bearing (bearing) 50,60 and rotating shaft 31.In addition, the rotating shaft coupling unit of the motor of embodiments of the invention also comprises elastic component 90.
Fig. 2 is the cutaway view that represents the major part of the rotating shaft coupling unit of the motor of embodiments of the invention.
Below, see figures.1.and.2, the rotating shaft coupling unit of the motor as embodiments of the invention is illustrated in greater detail.
First,, with reference to figure 1 and Fig. 2, shell 10 is formed for the housing (body) of the motor (motor) that stator 20 and rotor 30 are set.
At this, shell 10 can be formed as tubular, and this tubular is formed with in inside can housing stator 20 and the resettlement section 11 of rotor 30.Now, shell 10 can comprise main body 15 and cover the cover 16 of the upper lateral part of main body 15, and the upper lateral part opening of described main body 15 is also formed with resettlement section 11 in inner side.
In addition, the top and the bottom of shell 10 are formed with respectively the combined hole 12 for bearing 50,60 combinations.
On the other hand, stator 20 can comprise stator core (stator core) 21 and the coil 22 that is wound in described stator core 21, and described stator core is installed along the medial surface of shell 10, but the formation of the stator 20 of embodiments of the invention may not be defined in this.Now, the stator core 21 that is wound with coil 22 can be formed with accepting hole (not shown), and this accepting hole makes rotor 30 can be positioned at the central portion of stator core 21.
In addition, rotor 30 can comprise rotor core (rotor core) 32, is installed on the magnet (magnet) 33 of rotor core 32 and runs through the central part of rotor core 32 and the rotating shaft 31 that carries out combination, but the formation of rotor of the present invention 30 may not be defined in this.At this, rotor 30 is positioned at the central portion of stator 20, when the coil 22 of stator 20 is applied in voltage and produces electromagnetic force, thereby can make the rotor 30 that magnet 33 is installed rotate.
Bearing 50,60 is provided with multiple, is installed on respectively the top and the bottom of shell 10.At this, bearing 50,60 comprises outer ring 53,63 and by inner ring 51,61, described outer ring 53,63 is incorporated into the combined hole 12 of shell 10, and described inner ring 51,61 is formed with the hole for rotating shaft 31 combinations of rotor 30.Now, bearing 50,60 is made up of ball bearing 50,60, between outer ring 53,63 and inner ring 51,61, disposes multiple balls (ball) 52,62.
In addition, the combined hole 12 of shell 10 can be forced to be embedded in the outer ring 53,63 of bearing 50,60, and rotating shaft 31 is by the loosening inner ring 51,61 that is embedded in.
At this, the external diameter of the outer ring 53,63 of bearing 50,60 can form greatlyr than the diameter of the combined hole of shell 10 12.Now, for example, the external diameter of the outer ring 53,63 of bearing 50,60 can form than large 6～12 μ m of the combined hole of shell 10 12.
In addition, the internal diameter of the inner ring 51,61 of bearing 50,60 can form greatlyr than the diameter of rotating shaft 31.Now, for example, the internal diameter of the inner ring 51,61 of bearing 50,60 can form than large 10～30 μ m of the diameter of rotating shaft 31.
In addition, can between the inner ring of bearing 50,60 51,61 and rotating shaft 31, apply cement 70,80 so that the inner ring of bearing 50,60 51,61 and rotating shaft 31 are interfixed.Now, the two ends up and down of the inner peripheral surface on the inner ring 51,61 of bearing 50,60 are formed with to the outstanding protuberance of rotating shaft 31 directions, and the cement 70,80 that this protuberance can make to be coated between inner ring 51,61 and the rotating shaft 31 of bearing 50,60 does not depart from.
Thus, by by bearing 50,60 to force chimeric mode to be incorporated into shell 10, even in the situation that bearing 50,60 and shell 10 are made up of mutually different material, in the time of rotating shaft 31 High Rotation Speed, no matter the thermal expansion difference between bearing 50,60 and shell 10 how, also can prevent the phenomenon of bearing 50,60 idle running.
In addition, bearing 50,60 and rotating shaft 31 can be formed by identical material, and shell 10 can be formed by the material different with rotating shaft 31 from bearing 50,60.In addition, the material of manufacturing bearing 50,60 and rotating shaft 31 comprises steel (steel), and the material of manufacturing shell 10 comprises aluminium or synthetic resin.
Thus, in the time of rotating shaft 31 High Rotation Speed, bearing 50,60 places produce heat and make rotating shaft 31 and bearing 50,60 that thermal expansion occur, because rotating shaft 31 is formed by identical material or similar material with bearing 50,60, so there is no larger thermal expansion difference.Thereby, can prevent the phenomenon that bearing 50,60 dallies because of the thermal expansion difference between rotating shaft 31 and bearing 50,60.
In addition, elastic component 90 is made up of helical spring, is installed on the outer peripheral face of rotating shaft 31.Now, helical spring can be arranged to apply precompression to the inner ring of bearing 50,60 51,61 compressedly.
In addition, one end of elastic component 90 can be positioned at the one side relative with elastic component 90 of the inner ring 51,61 of bearing 50,60, and the other end can be positioned at the one side relative with elastic component 90 of rotor 30.Now, the other end of elastic component 90 can be positioned at the one side of the rotor core 32 that rotor 30 comprises.At this, elastic component 90 is provided with more than one, and can be arranged to can be to being installed on any above precompression that applies in multiple bearings 50,60 of top and the bottom of shell 10.
At this, with reference to figure 2, while utilizing the elastic force of elastic component 90 to apply precompression to the inner ring 51,61 of bearing 50,60, inner ring 51,61 moves preset distance to the direction that is applied with precompression.Now, be configured in the upper surface of ball 52,62 between inner ring 51,61 and outer ring 53,63 and inner ring 51,61 and contacts side surfaces lower surface and contacts side surfaces with outer ring 53,63.Thus, can prevent the phenomenon that ball 52,62 dallies between inner ring 51,61 and outer ring 53,63.
Fig. 3 is the precedence diagram that represents the manufacture method of the rotating shaft coupling unit of the motor of embodiments of the invention.
The manufacture method of the rotating shaft coupling unit of the motor of embodiments of the invention comprises bearing fixing step (S110), rotating shaft integrating step (S120) and rotating shaft fixing step (S130).In addition, the manufacture method of the rotating shaft coupling unit of the motor of embodiments of the invention can also comprise precompressed step.
At this, the manufacture method of the rotating shaft coupling unit of the motor of embodiments of the invention relates to the manufacture method of the rotating shaft coupling unit of the motor to embodiments of the invention, omits repeat specification.
The manufacture method of the rotating shaft coupling unit below with reference to Fig. 1 to Fig. 3 to the motor as embodiments of the invention illustrates in greater detail.
In bearing fixing step (S110), by forcing chimeric bearing 50,60 to be fixed on to the shell 10 for rotor 30 and stator 20 are installed.
In addition, bearing 50,60 can be made up of ball bearing, is provided with multiple.At this, ball bearing can comprise outer ring 53,63 and inner ring 51,61, and described outer ring 53,63 is incorporated into the combined hole 12 of shell 10, and described inner ring 51,61 is formed with the hole for rotating shaft 31 combinations of rotor 30.Now, bearing 50,60 can configure multiple balls 52,62 between outer ring 53,63 and inner ring 51,61.
In addition, shell 10 can be formed as tubular, and this tubular is formed with in inside can housing stator 20 and the resettlement section 11 of rotor 30.At this, the top and the bottom of shell 10 are formed with respectively the combined hole 12 for bearing 50,60 combinations.Now, multiple bearings 50,60 can be installed on respectively to the top and the bottom of shell 10.
In addition, shell 10 can comprise main body 15 and cover the cover 16 of the upper lateral part of main body 15, and the upper lateral part opening of this main body 15 is also formed with resettlement section 11 in inner side.
In addition, be formed with respectively the combined hole 12 for bearing 50,60 combinations in the top and the bottom of shell 10.Now, multiple bearings 50,60 are installed on respectively to the top and the bottom of shell 10.At this, the superposed bearing 50 in multiple bearings 50,60 can be installed on the cover 16 of shell 10, and the bearing that is positioned at bottom 60 in multiple bearings 50,60 can be installed on the main body 15 of shell 10.
At this, the external diameter of the outer ring 53,63 of bearing 50,60 can form greatlyr than the diameter of the combined hole of shell 10 12.Now, for example, the external diameter of the outer ring 53,63 of bearing 50,60 can form than large 6～12 μ m of the combined hole of shell 10 12.
In rotating shaft integrating step (S120), chimeric the rotating shaft of rotor 30 31 is incorporated into bearing 50,60 by loosening.Now, rotating shaft 31 inserts the hole of the inner ring 51,61 that is formed on bearing 50,60 and rotating shaft 31 is incorporated into bearing 50,60.At this, the internal diameter of the inner ring 51,61 of bearing 50,60 can form greatlyr than the diameter of rotating shaft 31.Now, for example, the internal diameter of the inner ring 51,61 of bearing 50,60 can form than large 10～30 μ m of the diameter of rotating shaft 31.
In rotating shaft fixing step (S130), cement 70,80 is coated in and is inserted between the rotating shaft 31 of bearing 50,60 and the inner ring 51,61 of bearing 50,60, the inner ring 51,61 of rotating shaft 31 and bearing 50,60 is interfixed.Now, the two ends up and down of the inner peripheral surface on the inner ring 51,61 of bearing 50,60 are formed with to the outstanding protuberance of rotating shaft 31 directions, and the cement 70,80 that protuberance can make to be coated between inner ring 51,61 and the rotating shaft 31 of bearing 50,60 does not depart from.
In precompressed step, by before fixing rotating shaft 31, elastic component 90 is being arranged on to the inside of shell 10, to bearing 50,60 is applied to precompression through rotating shaft fixing step (S130).
In addition, the inner ring 51,61 that elastic component 90 can arrange matched bearings 50,60 applies precompression.At this, elastic component 90 can be arranged to precompression is along axially applying and applying towards bearing 50,60 set directions.
In addition, elastic component 90 is made up of helical spring, can be installed on the outer peripheral face of rotating shaft 31.
In addition, one end of elastic component 90 can be positioned at the one side relative with elastic component 90 of the inner ring 51,61 of bearing 50,60, and the other end can be positioned at the one side relative with elastic component 90 of rotor 30.Now, the other end of elastic component 90 can be positioned at the one side of the rotor core 32 that rotor 30 comprises.
At this, with reference to figure 2, while utilizing the elastic force of elastic component 90 to apply precompression to the inner ring 51,61 of bearing 50,60, inner ring 51,61 moves preset distance to the direction that is applied with precompression.Now, be configured in the upper surface of ball 52,62 between inner ring 51,61 and outer ring 53,63 and inner ring 51,61 and contacts side surfaces lower surface and contacts side surfaces with outer ring 53,63.Thus, can prevent the phenomenon that ball 52,62 dallies between inner ring 51,61 and outer ring 53,63.
At this, elastic component 90 is provided with more than one, and can be arranged to can be to being installed on any the above precompression that applies in multiple bearings 50,60 of top and the bottom of shell 10.
Now, be provided with one at elastic component 90, and in the situation of being only arranged to contact with the bearing 50 on top that is arranged on shell 10, first, after fixing by cement 80 with rotating shaft 31 bearing 60 of main body 15 that is arranged on the bottom that is positioned at shell 10, the inner ring 51 that this elastic component 90 is set to the bearing 50 of the cover 16 to being arranged on the top that is positioned at shell 10 applies precompression.In addition, the bearing 50 that is arranged on the cover 16 on the top that is positioned at shell 10 can be fixed by cement 70 with rotating shaft 31.Now, at this, when elastic component 90 is arranged to the state after compression or contraction, can utilize the elastic force of elastic component 90 to apply precompression to bearing 50.Now, the upper lateral part of elastic component 90 can directly apply precompression to the inner ring 51 of the bearing 50 that is arranged on cover 16.In addition, the following side of elastic component 90 applies to rotor core 32 power that downward side direction is pressed, and the downward side direction of rotating shaft 31 that is fixed with rotor core 32 moves, thereby can apply precompression to the inner ring 61 of the bearing 60 that is arranged at main body 15.Thus, can utilize an elastic component 90 to be arranged on shell 10 top and the bottom multiple bearings 50,60 inner ring 51,61 the two apply precompression simultaneously.
In addition, bearing 50,60 and rotating shaft 31 can be formed by identical material, and shell 10 can be formed by the material different with rotating shaft 31 from bearing 50,60.In addition, bearing 50,60 and rotating shaft 31 can be made up of steel (steel), and shell 10 can be made up of aluminium or synthetic resin.
Thus, in the time of rotating shaft 31 High Rotation Speed, produce heat and make rotating shaft 31 and bearing 50,60 that thermal expansion occur at bearing 50,60 places, because rotating shaft 31 is formed by identical material or similar material with bearing 50,60, therefore there is no larger thermal expansion difference.Thereby, can prevent the phenomenon that bearing 50,60 dallies because of the thermal expansion difference between rotating shaft 31 and bearing 50,60.
Above, based on specific embodiment, the present invention is explained, but this is for specifically describing the present invention, the present invention is not limited thereto, as long as having the personnel of common knowledge of this area, it is apparent can in the design of technology of the present invention, being out of shape, improveing.
Simple distortion of the present invention and change all belong to the field of the invention, utilize appending claims to make concrete protection range of the present invention clearer and more definite.
Claims (18)
1. a rotating shaft coupling unit for motor, the rotating shaft coupling unit of this motor comprises: shell; Be installed on the bearing of described shell; The rotating shaft of being combined with described bearing, wherein,
The outer ring of described bearing and described shell are forced chimeric, and the inner ring of described bearing and described rotating shaft are become flexible chimeric,
The rotating shaft coupling unit of this motor also comprises cement, and this cement is coated between the inner ring of described bearing and described rotating shaft and the described inner ring of described bearing and described rotating shaft are interfixed.
2. the rotating shaft coupling unit of motor according to claim 1, wherein, described bearing is made up of ball bearing.
3. the rotating shaft coupling unit of motor according to claim 1, wherein, the rotating shaft coupling unit of this motor also comprises elastic component, this elastic component is positioned at the inside of described shell and along axially the described inner ring of described bearing being applied to precompression.
4. the rotating shaft coupling unit of motor according to claim 3, wherein, described elastic component is made up of helical spring, and described elastic component is installed on the outer peripheral face of described rotating shaft.
5. the rotating shaft coupling unit of motor according to claim 1, wherein, is formed with on described shell for the chimeric combined hole of described bearing, and the external diameter of described bearing forms greatlyr than the diameter of the combined hole of described shell.
6. the rotating shaft coupling unit of motor according to claim 1, wherein, the internal diameter of described bearing forms greatlyr than the diameter of described rotating shaft.
7. the rotating shaft coupling unit of motor according to claim 1, wherein, described bearing and described rotating shaft are formed by identical material.
8. the rotating shaft coupling unit of motor according to claim 1, wherein, the material of manufacturing described bearing and described rotating shaft comprises steel.
9. the rotating shaft coupling unit of motor according to claim 1, wherein, the material of manufacturing described shell comprises aluminium or synthetic resin.
10. a manufacture method for the rotating shaft coupling unit of motor, wherein,
The manufacture method of this rotating shaft coupling unit comprises: bearing fixing step, by bearing is forced to be embedded in shell, this bearing is fixed;
Rotating shaft integrating step, is chimericly combined rotating shaft by loosening with described bearing;
Rotating shaft fixing step, is coated in cement between described bearing and described rotating shaft and the inner ring of described bearing and described rotating shaft is fixed.
The manufacture method of the rotating shaft coupling unit of 11. motor according to claim 10, wherein, the manufacture method of the rotating shaft coupling unit of this motor also comprises precompressed step, this precompressed step, before described rotating shaft fixing step, is further arranged on elastic component the inside of described shell and described bearing is applied to precompression.
The manufacture method of the rotating shaft coupling unit of 12. motor according to claim 11, wherein, described elastic component applies precompression to the inner ring of described bearing.
The manufacture method of the rotating shaft coupling unit of 13. motor according to claim 11, wherein, described elastic component is made up of helical spring, and described elastic component is installed on the outer peripheral face of described rotating shaft.
The manufacture method of the rotating shaft coupling unit of 14. motor according to claim 10 wherein, is formed with for the chimeric combined hole of described bearing on described shell, and the external diameter of described bearing forms greatlyr than the diameter of the combined hole of described shell.
The manufacture method of the rotating shaft coupling unit of 15. motor according to claim 10, wherein, the internal diameter of described bearing forms greatlyr than the diameter of described rotating shaft.
The manufacture method of the rotating shaft coupling unit of 16. motor according to claim 10, wherein, described bearing and described rotating shaft are formed by identical material.
The manufacture method of the rotating shaft coupling unit of 17. motor according to claim 10, wherein, the material of manufacturing described bearing and described rotating shaft comprises steel.
The rotating shaft coupling unit of 18. motor according to claim 10, wherein, the material of manufacturing described shell comprises aluminium or synthetic resin.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0137135 | 2012-11-29 | ||
| KR1020120137135A KR20140070902A (en) | 2012-11-29 | 2012-11-29 | Shaft combination module of motor ane the manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103855842A true CN103855842A (en) | 2014-06-11 |
Family
ID=50863156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310053273.8A Pending CN103855842A (en) | 2012-11-29 | 2013-02-19 | Rotating shaft combination module of motor and manufacturing method of module |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2014108045A (en) |
| KR (1) | KR20140070902A (en) |
| CN (1) | CN103855842A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200483257Y1 (en) * | 2016-10-20 | 2017-04-19 | 홍승환 | Apparatus for plating process |
| KR102019991B1 (en) | 2018-11-23 | 2019-09-09 | 엘지전자 주식회사 | Motor |
| JP2021057996A (en) * | 2019-09-30 | 2021-04-08 | 日本電産株式会社 | Motor unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07222391A (en) * | 1994-01-31 | 1995-08-18 | Sankyo Seiki Mfg Co Ltd | Fixing structure of bearing for motor |
| JPH10143989A (en) * | 1996-11-13 | 1998-05-29 | Hitachi Media Electron:Kk | Motor |
| CN1497538A (en) * | 2002-10-07 | 2004-05-19 | 三星电子株式会社 | Head drum assembly of tape recorder |
| CN101192776A (en) * | 2006-11-27 | 2008-06-04 | 东元电机股份有限公司 | Motor stator fixing method, compressor using this method and its bearing base |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100465165B1 (en) * | 2002-10-07 | 2005-01-13 | 삼성전자주식회사 | A head drum assembly of tape recorder |
-
2012
- 2012-11-29 KR KR1020120137135A patent/KR20140070902A/en not_active Application Discontinuation
-
2013
- 2013-01-28 JP JP2013013175A patent/JP2014108045A/en active Pending
- 2013-02-19 CN CN201310053273.8A patent/CN103855842A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07222391A (en) * | 1994-01-31 | 1995-08-18 | Sankyo Seiki Mfg Co Ltd | Fixing structure of bearing for motor |
| JPH10143989A (en) * | 1996-11-13 | 1998-05-29 | Hitachi Media Electron:Kk | Motor |
| CN1497538A (en) * | 2002-10-07 | 2004-05-19 | 三星电子株式会社 | Head drum assembly of tape recorder |
| CN101192776A (en) * | 2006-11-27 | 2008-06-04 | 东元电机股份有限公司 | Motor stator fixing method, compressor using this method and its bearing base |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014108045A (en) | 2014-06-09 |
| KR20140070902A (en) | 2014-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2852033B1 (en) | Electric motor assembly and manufacturing method thereof | |
| US9356480B2 (en) | Electric motor having rotor structure for avoiding defect due to strain generated by temperature change, and production method thereof | |
| JP6274475B2 (en) | Rotor, rotating electric machine, and method of manufacturing rotor | |
| EP2947438B1 (en) | Electric motor | |
| US20150097462A1 (en) | Laminated core and method for manufacturing the same | |
| CN208424040U (en) | Motor | |
| CN105391204A (en) | Permanent magnet for a rotor of an electric machine, application thereof, rotor and electric machine | |
| CN103109443A (en) | Rotor for an electrical machine | |
| US20110133579A1 (en) | Rotor assembly wire support | |
| CN103855842A (en) | Rotating shaft combination module of motor and manufacturing method of module | |
| EP3128649B1 (en) | Motor and compressor | |
| CN103312069A (en) | Fixed structure and fixing method of motor permanent magnets and motor comprising motor permanent magnet fixed structure | |
| CN109565206A (en) | Rotating electric machine | |
| CN108343671A (en) | A kind of magnetic axis bearing assembly preparation process | |
| CN107836074A (en) | Detector magnet-wheel for the magnetic-type of motor | |
| CN104518584B (en) | Permanent magnetic electric machine rotor iron core | |
| JP6664268B2 (en) | Rotor, rotating electric machine, and method for manufacturing rotor | |
| KR20230149798A (en) | Stator and Motor having the same | |
| US20160065014A1 (en) | Permanent magnet for a rotor of an electric machine | |
| CN109322907A (en) | The assemble method of bearing assembly, motor and bearing assembly | |
| CN201142609Y (en) | Insulation bearing sleeve for electric motor | |
| CN202475065U (en) | Motor rotor structure and motor with same | |
| KR20140143356A (en) | Rotor including segmented yoke | |
| CN201584832U (en) | Self-starting permanent magnet motor rotor structure | |
| CN209730960U (en) | A kind of insulation shaft for motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140611 |