CN108964370A - A kind of axial support structure and its application method of motor press fitting impeller - Google Patents
A kind of axial support structure and its application method of motor press fitting impeller Download PDFInfo
- Publication number
- CN108964370A CN108964370A CN201810917205.4A CN201810917205A CN108964370A CN 108964370 A CN108964370 A CN 108964370A CN 201810917205 A CN201810917205 A CN 201810917205A CN 108964370 A CN108964370 A CN 108964370A
- Authority
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- China
- Prior art keywords
- motor
- impeller
- protrusion
- flange
- motor shaft
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention discloses a kind of axial support structure of motor press fitting impeller, including motor assembly, the bottom of motor assembly is equipped with rear end cap, motor shaft is provided at the axle center of motor assembly, the surface of motor shaft is provided with rotor coil, the one end on motor shaft surface is nested with the first ball bearing, the other end on motor shaft surface is nested with the second ball bearing, the ladder table top that second ball bearings open up inside rear end cap, the bottom of rear end cap is provided with flange in the bottom lid, the bottom cover of flange in the bottom lid is flat configuration, protrusion is provided at the axle center on bottom cover surface, the shape of protrusion is cylindrical, the axle center of protrusion is identical with the axle center of motor shaft, the surrounding of protrusion is provided with the concave ring for being easy to make bottom cover to generate plastic deformation when being pressed impeller.By the design of flange bottom cover, increase support of the impeller piling in the process to shaft end is a kind of good innovation scheme, is very promising for marketing. to effectively avoid the damage block of motor internal bearings.
Description
Technical field
The present invention relates to technical field of motors, are pressed the axial support structure of impeller more particularly to a kind of motor and its make
Use method.
Background technique
Motor is a kind of equipment for converting electrical current into mechanical energy.It is to use the power on coil to generate rotating excitation field and act on
Electro-magnetic motor force rotation torque is formed in rotor.Motor is by using power supply difference to be divided into dc motor and ac motor, electricity
Motor in Force system is largely alternating current generator, can be synchronous motor either asynchronous machine.Motor is mainly by fixed
Son is formed with rotor, and the direction of electrified wire movement under force in magnetic field has with current direction and magnetic induction line (magnetic direction) direction
It closes.Electric motor operation principle is effect of the magnetic field to electric current stress, makes motor rotation.
Air blower can axially generate certain pressure during being pressed impeller, for using the motor of ball bearing
For, this axial pressure will cause ball abrasion inside ball bearing, in this way after press fitting impeller is installed, motor
A series of problems, such as actual operation middle (center) bearing can generate noise, or even the service life of bearing is influenced, there is deficiency,
It is not able to satisfy the demand of social development.
In conclusion in view of the drawbacks of the prior art, it is accordingly required in particular to a kind of axial support structure of motor press fitting impeller and
Its application method, so as to solve the deficiencies in the prior art.
Summary of the invention
Aiming at the problems existing in the prior art, the normal use of motor is influenced, the present invention proposes a kind of motor press fitting leaf
The axial support structure and its application method of wheel, it is novel in design, it is right during increase impeller piling by the design of flange bottom cover
The support of shaft end, to effectively avoid the damage block of motor internal bearings, practical performance is excellent, has solved the defect of the prior art.
To achieve the goals above, technical scheme is as follows:
A kind of axial support structure of motor press fitting impeller, including motor assembly, the bottom of motor assembly are equipped with rear end
It covers, is provided with motor shaft at the axle center of motor assembly, the surface of motor shaft is provided with rotor coil, and the one end on motor shaft surface is embedding
It is cased with the first ball bearing, the other end on motor shaft surface is nested with the second ball bearing, and the second ball bearings are in rear end
The internal ladder table top opened up of lid, the bottom of rear end cap are provided with flange in the bottom lid, and the bottom cover of flange in the bottom lid is flat configuration,
Protrusion is provided at the axle center on bottom cover surface, raised shape is cylindrical, and raised axle center is identical with the axle center of motor shaft, convex
The surrounding risen is provided with the concave ring for being easy to make bottom cover to generate plastic deformation when being pressed impeller.
Further, the motor shaft, the first ball bearing, the axle center of the second ball bearing are identical.
Further, the spacing between protrusion of the present invention and motor shaft is 1-3mm.
Further, one end of motor assembly of the present invention is connected with top flange lid, motor assembly by shock absorbing ring
The other end pass through washer connect flange in the bottom lid.
Further, the bottom of protrusion of the present invention is provided with embedded groove, embedded groove connecting tooling.
Further, the diameter of protrusion of the present invention is less than the diameter of motor shaft.
Further, the diameter of concave ring of the present invention is 15-20mm, and the axle center of concave ring is set as protrusion.
A kind of application method of the axial support structure of motor press fitting impeller, first by the top flange at motor assembly both ends
Lid and bottom portion blind flange is completed, and installs impeller additional on the surface of top flange lid, impeller is adjusted to equilbrium position, makes impeller
Stability of rotation installs tooling additional on the surface of flange in the bottom lid, and tooling is installed on the embedded groove of raised bottom, passes through power mechanism pressure
Impeller is filled, motor shaft generates downward axial compressive force during being pressed impeller, and the bottom cover surface design of flange in the bottom lid has convex
It rises, raised surrounding is provided with the concave ring for being easy to make bottom cover to generate plastic deformation when being pressed impeller, during being pressed impeller
Bottom cover can generate plastics flange deformation, and protrusion is made to synchronize upward jack-up, and protrusion jacks up be supported directly upon motor shaft upwards, be pressed leaf
The axial compressive force that wheel generates is transferred to protrusion, effectively makes first ball bearing on motor shaft surface, the lubrication groove of the second ball bearing
Balance is kept between foreign steamer, prevents the first ball bearing, the second ball bearing since external pressure causes internal precision component to damage
It is bad, noise and service life are had an impact, impeller press-assembling is preferably completed.
The beneficial effects of the present invention are: novel in design, structure is simple, reaches maximum technical effect with the smallest improvement,
By the design of flange bottom cover, increase support of the impeller piling in the process to shaft end, to effectively avoid motor internal bearings
Block is damaged, practical performance is excellent, improves the packaging efficiency of motor, and practical performance is excellent, is a kind of good innovation scheme, there is very much market
Promotion prospect.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is installation process structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram on flange chassis of the present invention；
Fig. 3 is that electric machine structure of the present invention splits structure chart；
100- motor assembly in figure, 110- shock absorbing ring, 120- washer, 130- top flange lid, 140- flange in the bottom lid,
150- rotor coil, 160- motor shaft, the first ball bearing of 170-, the second ball bearing of 180-, 190- bottom cover, 200- protrusion,
210- concave ring, 220- tooling.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to the axial support structure of Fig. 1, Fig. 2, Fig. 3, a kind of motor press fitting impeller, including motor assembly 100, motor is total
Rear end cap is installed at 100 bottom, motor shaft 160 is provided at the axle center of motor assembly 100, the surface of motor shaft 160 is set
Be equipped with rotor coil 150, the one end on 160 surface of motor shaft is nested with the first ball bearing 170,160 surface of motor shaft it is another
End is nested with the second ball bearing 180, and the second ball axis 180 holds the ladder table top for being supported in and opening up inside rear end cap, rear end cap
Bottom be provided with flange in the bottom lid 140, the bottom cover 190 of flange in the bottom lid 140 is flat configuration, the axle center on 190 surface of bottom cover
Place is provided with protrusion 200, and the shape of protrusion 200 is cylindrical, and the axle center of protrusion 200 is identical with the axle center of motor shaft 160, protrusion
200 surrounding is provided with the concave ring 210 for being easy to make bottom cover 190 to generate plastic deformation when being pressed impeller.
In addition, motor shaft 160, the first ball bearing 170, the axle center of the second ball bearing 180 are identical.Protrusion 200 and electricity
Spacing between arbor 160 is 1-3mm.One end of motor assembly 100 is connected with top flange lid 130 by shock absorbing ring 110, electricity
The other end of machine assembly 100 connects flange in the bottom lid 140 by washer 120.The bottom of protrusion 200 is provided with embedded groove, is embedded in
Slot connecting tooling 220.The diameter of protrusion 200 is less than the diameter of motor shaft 160.The diameter of concave ring 210 is 15-20mm, concave ring 210
Axle center be set as protrusion 200.
A kind of application method of the axial support structure of motor press fitting impeller, first by the top flange at motor assembly both ends
Lid and bottom portion blind flange is completed, and installs impeller additional on the surface of top flange lid, impeller is adjusted to equilbrium position, makes impeller
Stability of rotation installs tooling additional on the surface of flange in the bottom lid, and tooling is installed on the embedded groove of raised bottom, passes through power mechanism pressure
Impeller is filled, motor shaft generates downward axial compressive force during being pressed impeller, and the bottom cover surface design of flange in the bottom lid has convex
It rises, raised surrounding is provided with the concave ring for being easy to make bottom cover to generate plastic deformation when being pressed impeller, during being pressed impeller
Bottom cover can generate plastics flange deformation, and protrusion is made to synchronize upward jack-up, and protrusion jacks up be supported directly upon motor shaft upwards, be pressed leaf
The axial compressive force that wheel generates is transferred to protrusion, and first ball bearing on motor shaft surface, the second ball bearing is effectively made to keep flat
Weighing apparatus prevents the first ball bearing, causes breakage inside the second ball bearing, preferably completes impeller press-assembling.
The present invention is to increase support of the impeller piling in the process to shaft end, to keep away by the design of change blind flange bottom end
Exempt from motor internal bearings to be damaged, the design of flange in the bottom lid has small protrusion, and deformation occurs for plastics flange during press fitting, bottom
End convex design directly supports above shaft, plays good supporting role, while in order to reduce the pressure in deformation process,
Bottom cover surface is provided with concave ring, and circle stepped design (similar deformation spring) makes blind flange will not be to itself in deformation process
It damages, while reducing the power in deformation process, be that just bottom end support protrusion can be made to connect with less power during being pressed
Contact shaft end.
The beneficial effects of the present invention are: novel in design, structure is simple, reaches maximum technical effect with the smallest improvement,
By the design of flange bottom cover, increase support of the impeller piling in the process to shaft end, to effectively avoid motor internal bearings
Block is damaged, practical performance is excellent, improves the packaging efficiency of motor, and practical performance is excellent, is a kind of good innovation scheme, there is very much market
Promotion prospect.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, the present invention also has each without departing from the spirit and scope of the present invention
Kind changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by
Appended claims and its equivalent define.
Claims (8)
1. a kind of axial support structure of motor press fitting impeller, including motor assembly, it is characterised in that: pacify the bottom of motor assembly
Equipped with rear end cap, motor shaft is provided at the axle center of motor assembly, the surface of motor shaft is provided with rotor coil, motor shaft surface
One end be nested with the first ball bearing, the other end on motor shaft surface is nested with the second ball bearing, the second ball bearing branch
The ladder table top opened up inside rear end cap is supportted, the bottom of rear end cap is provided with flange in the bottom lid, and the bottom cover of flange in the bottom lid is
Flat configuration is provided with protrusion at the axle center on bottom cover surface, and raised shape is cylindrical, the axis in raised axle center and motor shaft
The heart is identical, and raised surrounding is provided with the concave ring for being easy to make bottom cover to generate plastic deformation when being pressed impeller.
2. a kind of axial support structure of motor press fitting impeller according to claim 1, it is characterised in that: the motor
Axis, the first ball bearing, the axle center of the second ball bearing are identical.
3. the axial support structure of a kind of motor press fitting impeller according to claim 1, it is characterised in that: the protrusion and
Spacing between motor shaft is 1-3mm.
4. a kind of axial support structure of motor press fitting impeller according to claim 1, it is characterised in that: the motor is total
At one end top flange lid is connected with by shock absorbing ring, the other end of motor assembly passes through washer and connects flange in the bottom lid.
5. a kind of axial support structure of motor press fitting impeller according to claim 1, it is characterised in that: the protrusion
Bottom is provided with embedded groove, embedded groove connecting tooling.
6. a kind of axial support structure of motor press fitting impeller according to claim 1, it is characterised in that: the protrusion
Diameter is less than the diameter of motor shaft.
7. the axial support structure of a kind of motor press fitting impeller according to claim 1, it is characterised in that: the diameter of concave ring is
15-20mm, the axle center of concave ring are set as protrusion.
8. a kind of application method of the axial support structure of motor press fitting impeller, it is characterised in that: first by motor assembly both ends
Top flange lid and bottom portion blind flange be completed, top flange lid surface install additional impeller, impeller is adjusted to balance position
It sets, makes the stability of rotation of impeller, install tooling additional on the surface of flange in the bottom lid, tooling is installed on the embedded groove of raised bottom, leads to
Power mechanism press fitting impeller is crossed, motor shaft generates downward axial compressive force, the bottom cover of flange in the bottom lid during being pressed impeller
Surface design has protrusion, and raised surrounding is provided with the concave ring for being easy to make bottom cover to generate plastic deformation when being pressed impeller, is pressing
Bottom cover can generate plastics flange deformation during dress impeller, and protrusion is made to synchronize upward jack-up, and protrusion jacks up be supported directly upon upwards
Motor shaft, the axial compressive force that press fitting impeller generates are transferred to protrusion, effectively make the first ball bearing, second rolling on motor shaft surface
Balance is kept between the lubrication groove foreign steamer of pearl bearing, is prevented in the first ball bearing, the second ball bearing from being caused due to external pressure
The damage of portion's precise part, has an impact noise and service life, while preferably completing impeller press-assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917205.4A CN108964370B (en) | 2018-08-13 | 2018-08-13 | Axial supporting structure for press-fitting impeller of motor and application method of axial supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917205.4A CN108964370B (en) | 2018-08-13 | 2018-08-13 | Axial supporting structure for press-fitting impeller of motor and application method of axial supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108964370A true CN108964370A (en) | 2018-12-07 |
| CN108964370B CN108964370B (en) | 2024-03-19 |
Family
ID=64470089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917205.4A Active CN108964370B (en) | 2018-08-13 | 2018-08-13 | Axial supporting structure for press-fitting impeller of motor and application method of axial supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108964370B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1671613A (en) * | 2002-05-22 | 2005-09-21 | 海尼肯技术服务有限公司 | Anti-drip means with improved operating means and beverage container provided with a dispensing valve |
| DE102005062866A1 (en) * | 2005-12-29 | 2007-07-05 | Robert Bosch Gmbh | Electric machine e.g. electric motor, for shifting moving part in motor vehicle, has bearing designed as roller bearing and resting against distance sleeve over axial contact surface that is axially supported at deformation area of housing |
| CN101459360A (en) * | 2007-12-13 | 2009-06-17 | 阿斯莫株式会社 | Burstenloser motor und herstellungsverfahren desselben |
| WO2011044110A2 (en) * | 2009-10-06 | 2011-04-14 | Mohawk Innovative Technology, Inc. | High speed machining center |
| KR101448968B1 (en) * | 2014-06-30 | 2014-10-14 | 주식회사 현대특수철강공업 | The moving car support auto assembling apparatus of reinforced structure of moving car for greenhouse |
| CN106685172A (en) * | 2017-02-10 | 2017-05-17 | 浙江大东吴汽车电机有限公司 | Three-phase permanent magnet external rotor motor and method for assembling stator and rotor |
| CN206894390U (en) * | 2017-07-15 | 2018-01-16 | 嘉兴市汉鼎五金制造有限公司 | A kind of connecting bracket for servomotor drive end bearing bracket |
| CN208707484U (en) * | 2018-08-13 | 2019-04-05 | 豪圣挚达（上海）电气有限责任公司 | A kind of axial support structure of motor press fitting impeller |
-
2018
- 2018-08-13 CN CN201810917205.4A patent/CN108964370B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1671613A (en) * | 2002-05-22 | 2005-09-21 | 海尼肯技术服务有限公司 | Anti-drip means with improved operating means and beverage container provided with a dispensing valve |
| DE102005062866A1 (en) * | 2005-12-29 | 2007-07-05 | Robert Bosch Gmbh | Electric machine e.g. electric motor, for shifting moving part in motor vehicle, has bearing designed as roller bearing and resting against distance sleeve over axial contact surface that is axially supported at deformation area of housing |
| CN101459360A (en) * | 2007-12-13 | 2009-06-17 | 阿斯莫株式会社 | Burstenloser motor und herstellungsverfahren desselben |
| WO2011044110A2 (en) * | 2009-10-06 | 2011-04-14 | Mohawk Innovative Technology, Inc. | High speed machining center |
| KR101448968B1 (en) * | 2014-06-30 | 2014-10-14 | 주식회사 현대특수철강공업 | The moving car support auto assembling apparatus of reinforced structure of moving car for greenhouse |
| CN106685172A (en) * | 2017-02-10 | 2017-05-17 | 浙江大东吴汽车电机有限公司 | Three-phase permanent magnet external rotor motor and method for assembling stator and rotor |
| CN206894390U (en) * | 2017-07-15 | 2018-01-16 | 嘉兴市汉鼎五金制造有限公司 | A kind of connecting bracket for servomotor drive end bearing bracket |
| CN208707484U (en) * | 2018-08-13 | 2019-04-05 | 豪圣挚达（上海）电气有限责任公司 | A kind of axial support structure of motor press fitting impeller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108964370B (en) | 2024-03-19 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 200000 Room 202, floor 2, building 6, No. 488, Taoqiao Road, Huinan Town, Pudong New Area, Shanghai Applicant after: Xiaosheng electric machinery (Shanghai) Co.,Ltd. Address before: Floors 1-2, Building 1, No. 2300 Xuanhuang Road, Huinan Town, Pudong New Area, Shanghai, 200000 Applicant before: HAOSHENGZHIDA (SHANGHAI) ELECTRIC CO.,LTD. |
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