CN104810981A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN104810981A CN104810981A CN201410036736.4A CN201410036736A CN104810981A CN 104810981 A CN104810981 A CN 104810981A CN 201410036736 A CN201410036736 A CN 201410036736A CN 104810981 A CN104810981 A CN 104810981A
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- CN
- China
- Prior art keywords
- motor
- stator
- face
- fixed
- rear end
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- 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
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
- H02K5/165—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor, relates to the field of motors, and provides a solution for the problem that a motor cools slowly, is noisy, and has a fan which is prone to dust accumulation in the prior art. The motor comprises a motor housing, and a stator and a rotor which are arranged in the motor housing. The end face of the outer edge of the stator and stator teeth are provided with ventilation holes which run through the stator. The motor housing is fixed by a rear end cover. A cavity is arranged between the rear end cover and the rear end face of the stator. A cooling fan is arranged in the cavity, the blades of the cooling fan are arc-shaped, and one end of each blade along the length direction is fixed to a base of the cooling fan. The front and rear ends of a rotating shaft of the motor are respectively provided with a damping bearing. The front end face of the motor housing is provided with an air outlet hole, and the rear end cover is provided with an air inlet hole. As the stator is provided with the run-through ventilation holes, heat generated during high-speed rotation of the motor can be rapidly output to the outside. The cooling fan at the rear end of the motor makes low noise when running at high speed, and the cooling fan is not prone to dust accumulation as the centrifugal force at the blades is large.
Description
Technical field
The present invention relates to technical field of motors, be specifically related to a kind of good heat dissipation effect, noise is little, the motor of fan not easily laying dust.
Background technology
Current motor, the especially motor of winding type rotor, the heat produced due to epitrochanterian winding energising cannot dissipate in time, can be accumulated in gradually on wire or permeability magnetic material, finally cause the local overheating problem of rotor, thus have impact on the useful life of motor.Although arrange fin on electric machine casing, even fan is set in end, the heat dispersal situations of rotor can be improved a little, be difficult to fundamentally solve rotor local problems of excessive heat.For addressing this problem, also to there is motor that is air-cooled and water-cooled, but the radiating mode of water-cooled is generally large-size machine just uses, ventilated machine is generally complete heat diffusion by radiator fan, its fan of general ventilated machine easily produces large howling when fast turn-around, its because of blade construction straight, be easy to accumulate on fan, cause machine shaft load to increase, rotating shaft flexibility declines.
Summary of the invention
In order to solve the defect that above-mentioned technology exists, the invention provides a kind of good heat dissipation effect, noise is little, the motor of fan not easily laying dust.
The present invention realizes the technical scheme that above-mentioned technique effect adopts:
A kind of motor, the stator comprising motor casing and be located in described motor casing and rotor, described motor casing is provided with dismountable rear end cap, wherein, be provided with a cavity between the rear end face of described rear end cap and described stator, be provided with radiator fan in this cavity, described radiator fan is fixed on the end of machine shaft, the blade of described radiator fan is arcuation, and described blade one end is along its length fixed on the base of described radiator fan.
Above-mentioned a kind of motor, the front end face of described motor casing is provided with the fore bearing room coaxial with described machine shaft, and described rear end cap is provided with the rear bearing room coaxial with described machine shaft.
Above-mentioned a kind of motor, described fore bearing indoor are provided with clutch shaft bearing, and the outer circumferential end face of described clutch shaft bearing is fixed on the inwall of described fore bearing room, and the outer wall of described fore bearing room is fixed with front shock absorbing ring.
Above-mentioned a kind of motor, described rear bearing indoor are provided with the second bearing, and the outer circumferential end face of described second bearing is fixed on the inwall of described rear bearing room, and the outer wall of described rear bearing room is fixed with rear shock absorbing ring.
Above-mentioned a kind of motor, the outer rim end face of described stator is provided with the ventilation hole of through stator with stator tooth.
Above-mentioned a kind of motor, described blade is the arc-shaped of the thin thick middle in two ends.
Above-mentioned a kind of motor, the front end face of described motor casing is provided with exhaust vent, and described rear end cap is provided with fresh air inlet.
Above-mentioned a kind of motor, also comprises a motor base, and described motor base is provided with former and later two bracing frames, and support frame as described above is fixed with described fore bearing room, described rear bearing room respectively.
Above-mentioned a kind of motor, described motor suspension is on the bracing frame of described motor base.
Beneficial effect of the present invention is: the present invention by arranging through ventilation hole on stator, the heat that motor is produced when running up can export the external world to rapidly, radiator fan noise when fast turn-around of motor rear end special construction is little, blade centrifugal force is everywhere large, the effect almost closed can be formed, not easily laying dust when fast turn-around.And the front and back end of machine shaft is all set in and has in the bearing chamber of cushioning effect, the suspension of motor body can be realized by this kind of mode, there is obvious cushioning effect.
Accompanying drawing explanation
Fig. 1 is motor cutaway view of the present invention;
Fig. 2 is the cross-sectional view of stator of the present invention;
Fig. 3 is the vertical view of radiator fan of the present invention;
Fig. 4 is the front view of radiator fan of the present invention;
Fig. 5 is the cut-away view of fore bearing room of the present invention.
In figure: shock absorbing ring before 1-motor casing, 2-stator, 3-motor base, 4-radiator fan, 5-rear end cap, 6-fore bearing room, 7-rear bearing room, 8-machine shaft, 11-exhaust vent, 21-stator tooth, 22-ventilation hole, 31-bracing frame, 41-blade, 42-axis hole, 43-base, 51-fresh air inlet, 61-, 62-clutch shaft bearing, 63-are anti-tripping, shock absorbing ring, 72-second bearing, 311-front air outlet, 312-rear air inlet after 71-.
Embodiment
For making to do further understanding to the present invention, referring to Figure of description and specific embodiment, the invention will be further described:
As shown in Figures 1 to 5, a kind of motor, comprise motor base 3, motor casing 1 and the stator 2 be located in described motor casing 1 and rotor, motor base 3 is provided with former and later two bracing frames 31.Motor casing 1 is provided with dismountable rear end cap 5, is provided with a cavity (not shown) between described rear end cap 5 and the rear end face of stator 2.Be provided with radiator fan 4 in this cavity, described radiator fan 4 is fixed on the end of machine shaft 7.The blade 41 of this radiator fan 4 is in arcuation, and blade 41 one end is along its length fixed on the base 43 of described radiator fan 4, and base 43 is provided with the strip gab (not shown) for ventilating air.
Particularly, in an embodiment of the present invention, the front end face of motor casing 1 is provided with the fore bearing room 6 coaxial with machine shaft 8, and rear end cap 5 is provided with the rear bearing room 7 coaxial with machine shaft 8.In fore bearing room 6, be provided with clutch shaft bearing 62, the outer circumferential end face of clutch shaft bearing 62 is fixed on the inwall of fore bearing room 6.The outer wall of fore bearing room 6 is fixed with front shock absorbing ring 61, the front end sleeve of machine shaft 8 is located in clutch shaft bearing 62.For preventing front shock absorbing ring 61 from getting loose, the outer wall of fore bearing room 6 is provided with outstanding anti-tripping 63, anti-tripping 63 and front shock absorbing ring 61 can be stung firmly on fore bearing room 6.For preventing, between clutch shaft bearing 62 and fore bearing room 6, relative sliding occurs, clutch shaft bearing 62 is hexagon bearing, namely the cross section of clutch shaft bearing 62 is hexagon, the inwall of fore bearing room 6 is also hexagonal structure, match with the outer circumferential end face of clutch shaft bearing 62 formation fixed structure, can prevent relative movement.The outer circumferential end face being provided with the second bearing 72, second bearing 72 in rear bearing room 7 is fixed on the inwall of rear bearing room 7.The outer wall of rear bearing room 7 is fixed with rear shock absorbing ring 71, the rear end of machine shaft 8 is set in the second bearing 72.Rear shock absorbing ring 71, second bearing 72 is consistent with aforesaid front shock absorbing ring 61, clutch shaft bearing 62 and fore bearing room 6 structure with the structure of rear bearing room 7.Front shock absorbing ring 61 and rear shock absorbing ring 71 are high temperature resistant and anti abrasive fluorine rubber ring.
In order to reach good air circulation effect, the outer rim end face of stator 2 is provided with the ventilation hole 22 of through stator 2 with stator tooth 21.In order to promptly realize motor internal-external heat exchange, the front end face of motor casing 1 is provided with exhaust vent 11, and rear end cap 5 is provided with fresh air inlet 51.Can extraneous air be sucked in motor under the negative pressure that fresh air inlet 51 is formed at radiator fan 4, then the large flow-rate gas stream that radiator fan 4 produces can be circulated to rapidly the front of motor by the ventilation hole 22 on stator 2 outer rim end face and stator tooth 21, and diffuses to outside by the exhaust vent 11 on motor front end face.The center of the base 43 of radiator fan 4 is provided with axis hole 42, and machine shaft 8 is also fixed with it through this axis hole 42, can synchronously drive radiator fan 4 to rotate when machine shaft 8 runs up.Especially, in the present invention, the arc shape of described blade 41 in the thin thick middle in two ends.The blade 41 of this structure can form the effect almost closed when fast turn-around, dust is not easily involved in.
In order to form good damping effect, motor is avoided directly to contact with the bottom of motor base 3, the height of the bracing frame 31 on machine base 3 is greater than the radius of motor casing 1, can by motor suspension on bracing frame 31 by bracing frame 31, anchor ear can be adopted to fix for fixed form or buckle is fixed, and is particularly banded on the rear shock absorbing ring 71 on fore bearing room 6 on front shock absorbing ring 61 and rear bearing room 7 with anchor ear.Air circulation is affected for preventing bracing frame 31, the bracing frame 31 of front end is provided with front air outlet 311, the bracing frame 31 of rear end is provided with rear air inlet 312, and outside air enters motor internal smoothly by rear air inlet 312, and is flowed out smoothly by front air outlet 311.The present invention is while selecting the bracing frame 31 of this kind of structure as most preferred embodiment, also have other preferred embodiments, particularly, this bracing frame 31 is between bipod, bipod is fixed on motor base 3 in " eight " word, and it can form good air circulation effect equally.
In sum, the present invention is by arranging through ventilation hole 22 on the stator 2, the heat that motor is produced when running up can export the external world to rapidly, radiator fan 4 noise when fast turn-around of motor rear end is little, blade 41 centrifugal force is everywhere large, the effect almost closed can be formed, not easily laying dust when fast turn-around.And the front and back end of machine shaft 8 is all set in and has in the bearing chamber of cushioning effect, the suspension of motor body can be realized by this kind of mode, there is obvious cushioning effect.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and specification; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention; these changes and improvements all fall in claimed scope of the present invention, and the protection range of application claims is defined by appending claims and equivalent thereof.
Claims (9)
1. a motor, the stator comprising motor casing and be located in described motor casing and rotor, described motor casing is provided with dismountable rear end cap, it is characterized in that, be provided with a cavity between the rear end face of described rear end cap and described stator, be provided with radiator fan in this cavity, described radiator fan is fixed on the end of machine shaft, the blade of described radiator fan is arcuation, and described blade one end is along its length fixed on the base of described radiator fan.
2. a kind of motor according to claim 1, is characterized in that, the front end face of described motor casing is provided with the fore bearing room coaxial with described machine shaft, and described rear end cap is provided with the rear bearing room coaxial with described machine shaft.
3. a kind of motor according to claim 2, is characterized in that, described fore bearing indoor are provided with clutch shaft bearing, and the outer circumferential end face of described clutch shaft bearing is fixed on the inwall of described fore bearing room, and the outer wall of described fore bearing room is fixed with front shock absorbing ring.
4. a kind of motor according to claim 2, is characterized in that, described rear bearing indoor are provided with the second bearing, and the outer circumferential end face of described second bearing is fixed on the inwall of described rear bearing room, and the outer wall of described rear bearing room is fixed with rear shock absorbing ring.
5. a kind of motor according to claim 1, is characterized in that, the outer rim end face of described stator is provided with the ventilation hole of through stator with stator tooth.
6. a kind of motor according to claim 1, is characterized in that, described blade is the arc-shaped of the thin thick middle in two ends.
7. a kind of motor according to claim 1, is characterized in that, the front end face of described motor casing is provided with exhaust vent, and described rear end cap is provided with fresh air inlet.
8. a kind of motor according to claim 1, is characterized in that, also comprises a motor base, and described motor base is provided with former and later two bracing frames, and support frame as described above is fixed with described fore bearing room, described rear bearing room respectively.
9. a kind of motor according to claim 8, is characterized in that, described motor suspension is on the bracing frame of described motor base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036736.4A CN104810981A (en) | 2014-01-25 | 2014-01-25 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036736.4A CN104810981A (en) | 2014-01-25 | 2014-01-25 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104810981A true CN104810981A (en) | 2015-07-29 |
Family
ID=53695569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410036736.4A Pending CN104810981A (en) | 2014-01-25 | 2014-01-25 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104810981A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471031A (en) * | 2017-10-14 | 2017-12-15 | 毛啸宇 | A kind of cabinet handle deburring device |
| CN108274326A (en) * | 2017-10-14 | 2018-07-13 | 毛啸宇 | A kind of sander grinding head driving mechanism |
| CN108448801A (en) * | 2018-05-23 | 2018-08-24 | 夏文斌 | A kind of New energy automobile motor heat dissipation drive end bearing bracket |
| CN110518745A (en) * | 2019-08-22 | 2019-11-29 | 横店集团英洛华电气有限公司 | Motor radiating structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236035Y (en) * | 1995-11-01 | 1996-09-25 | 程绍明 | Energy-saving fan special for oil gun |
| CN2921392Y (en) * | 2006-05-16 | 2007-07-11 | 保锐科技股份有限公司 | Axial-flow radiating fan |
| JP2007181311A (en) * | 2005-12-28 | 2007-07-12 | Hitachi Industrial Equipment Systems Co Ltd | Motor |
| CN101841211A (en) * | 2010-05-27 | 2010-09-22 | 溧阳福思宝高速机械有限公司 | High-speed motor with rotor cooling structure |
-
2014
- 2014-01-25 CN CN201410036736.4A patent/CN104810981A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236035Y (en) * | 1995-11-01 | 1996-09-25 | 程绍明 | Energy-saving fan special for oil gun |
| JP2007181311A (en) * | 2005-12-28 | 2007-07-12 | Hitachi Industrial Equipment Systems Co Ltd | Motor |
| CN2921392Y (en) * | 2006-05-16 | 2007-07-11 | 保锐科技股份有限公司 | Axial-flow radiating fan |
| CN101841211A (en) * | 2010-05-27 | 2010-09-22 | 溧阳福思宝高速机械有限公司 | High-speed motor with rotor cooling structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471031A (en) * | 2017-10-14 | 2017-12-15 | 毛啸宇 | A kind of cabinet handle deburring device |
| CN108274326A (en) * | 2017-10-14 | 2018-07-13 | 毛啸宇 | A kind of sander grinding head driving mechanism |
| CN108448801A (en) * | 2018-05-23 | 2018-08-24 | 夏文斌 | A kind of New energy automobile motor heat dissipation drive end bearing bracket |
| CN110518745A (en) * | 2019-08-22 | 2019-11-29 | 横店集团英洛华电气有限公司 | Motor radiating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |