CN103532260A - Motor capable of preventing oil leakage and dust and fan - Google Patents
Motor capable of preventing oil leakage and dust and fan Download PDFInfo
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- CN103532260A CN103532260A CN201310487773.2A CN201310487773A CN103532260A CN 103532260 A CN103532260 A CN 103532260A CN 201310487773 A CN201310487773 A CN 201310487773A CN 103532260 A CN103532260 A CN 103532260A
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- rotating shaft
- fan
- leakage
- central siphon
- bearing
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Abstract
The invention provides a motor capable of preventing oil leakage and dust and a corresponding fan. The motor comprises a stator, a rotor, a bearing and a base, wherein a shaft pipe with an upward opening is arranged on the base, an inserting part projecting upwards is arranged at the top end of the wall of the shaft pipe, the rotor is provided with a rotating shaft, the rotating shaft and the bearing are arranged in the shaft pipe, the rotating shaft is inserted in the bearing, an annular indentation is arranged at the top of the rotating shaft, the stator is arranged outside the shaft pipe in a sleeving way and provided with an upper insulating frame, the upper insulating frame extends inwards to form an elastic cantilever, an indented part which is buckled with the inserting part on the shaft pipe of the base is arranged on the elastic cantilever, and a first projection which extends into the annular indentation of the rotating shaft and a second projection which is abutted with the upper edge of the bearing are also arranged on the elastic cantilever. A fan frame and fan blades of the fan are arranged on the rotor. The motor and the fan can effectively prevent oil leakage and dust and prevent the rotor from running out.
Description
Technical field
The fan that the present invention relates to a kind of electric machine structure and have this kind of motor, described motor and fan can have good oil-leakage-prevention, dust-proof effect, and can prevent that rotor from deviating from.
Background technology
The useful life of heat abstractor and electronic product is closely related, because electronic product is when operating, electric current in circuit can produce because of the impact of impedance unnecessary heat, if these heats can not effectively shed and be accumulated on the electronic building brick of electronic product inside, just electronic building brick likely damages because of the temperature constantly raising.Therefore, the quality of heat abstractor affects the running of electronic product.At present, the most frequently used heat abstractor of electronic product is that the endotherm section contact of heat pipe can be produced to hot electronic building brick, the radiating segment of heat pipe is connected to radiating fin, and with fan, radiating fin is dispelled the heat.
Generally speaking, fan is comprised of the flabellum that has the motor mechanism of base, bearing, rotor and stator and extend from rotor around, and its middle (center) bearing is arranged in the central siphon of base, and the rotating shaft of rotor is inserted in bearing, and stator sleeve is located on central siphon.Rotor is in rotation process, and the vibration likely producing because of high speed rotating departs from stator, thereby breaks down or damage other assembly of electronic installation inside.In prior art, fan arranges clasp in the central siphon of base conventionally, in order to fasten the rotating shaft of rotor.Yet under using for a long time, clasp easily comes off, make rotor depart from stator because of the vibration that high speed rotating produces.In addition, operator is also likely in when assembling neglected loading clasp, and causes fan when dispatching from the factory, to have flaw.
Summary of the invention
The present invention be for the rotor existing in current electric fan more easily deviate from, combination defective tightness between rotating shaft and bearing, easily there is the situation that leakage of oil and dust-proof effect are not good, a kind of motor is provided and there is the fan of this kind of motor, to address the above problem.
An object of the present invention is to provide a kind of oil-leakage-prevention dust-proof motor, be achieved through the following technical solutions:
A kind of oil-leakage-prevention dust-proof motor, comprise stator, rotor, bearing and base, wherein, base has the central siphon of opening upwards, the top of central siphon wall is provided with the insertion section to upper process, rotor has rotating shaft, rotating shaft and bearing are positioned at central siphon, rotating shaft is inserted in bearing, the top of rotating shaft is provided with annular recess, stator sleeve is located at outside central siphon, there is upper insulating frame, upper insulating frame is elasticity of extension cantilever to the inside, described elastic cantilever have with base central siphon on the depressed part that mutually fastens of insertion section, on elastic cantilever, also there is the first projection stretching in rotating shaft annular recess, and the second projection that is resisted against edge on bearing.
Further, described oil-leakage-prevention dust-proof motor also comprises and being arranged in central siphon bottom and between rotating shaft for reducing the friction plate of friction.
Further, described stator also comprises silicon steel sheet combination and lower insulating frame, and described silicon steel sheet combination is on this between insulating frame and this lower insulating frame.
Further, ringwise, the external diameter of described rotating shaft is greater than the internal diameter of described elastic cantilever to described elastic cantilever.
Another object of the present invention is to provide a kind of fan with above-mentioned oil-leakage-prevention dust-proof motor, is achieved through the following technical solutions:
A kind of oil-leakage-prevention dust-proof fan, comprise motor and fan frame, motor comprises stator, rotor, bearing and base, wherein, base has the central siphon of opening upwards, the top of central siphon wall is provided with the insertion section to upper process, rotor has rotating shaft, rotating shaft and bearing are positioned at central siphon, rotating shaft is inserted in bearing, the top of rotating shaft is provided with annular recess, stator sleeve is located at outside central siphon, there is upper insulating frame, upper insulating frame is elasticity of extension cantilever to the inside, described elastic cantilever have with base central siphon on the depressed part that mutually fastens of insertion section, on elastic cantilever, also there is the first projection stretching in rotating shaft annular recess, and the second projection that is resisted against edge on bearing, rotor is connected with fan frame, several flabellums extend from fan frame.
Further, described oil-leakage-prevention dust-proof fan also comprises and being arranged in central siphon bottom and between rotating shaft for reducing the friction plate of friction.
Further, in described oil-leakage-prevention dust-proof fan, stator also comprises silicon steel sheet combination and lower insulating frame, and described silicon steel sheet combination is on this between insulating frame and this lower insulating frame.
Further, in described oil-leakage-prevention dust-proof fan, ringwise, the external diameter of described rotating shaft is greater than the internal diameter of described elastic cantilever to elastic cantilever.
Motor of the present invention and fan, on the upper insulating frame of stator, set up elastic cantilever structure, when the rotating shaft of rotor is inserted in bearing, the elastic cantilever structure of upper insulating frame can stretch in the ring-shaped depression structure of rotating shaft, and then rotor and stator are snapped together, in case spline departs from stator.In addition, the elastic cantilever structure that stretches into the upper insulating frame in the ring-shaped depression of rotating shaft also can prevent that the lubricating oil between bearing and rotating shaft from oozing out, and prevents that extraneous dust from falling between bearing and rotating shaft.Moreover, because utilizing insulating frame on stator, the present invention fastens the rotating shaft of rotor, do not need to arrange clasp of the prior art, neglected loading clasp in the time of can avoiding assembling and cause product defect.
Accompanying drawing explanation
Fig. 1 is the cutaway view of embodiment of the present invention base;
Fig. 2 is the cutaway view of fan embodiment fan housing of the present invention and rotating shaft;
Fig. 3 is the schematic diagram of embodiment of the present invention stator;
Fig. 4 is the schematic diagram of insulating frame on embodiment of the present invention stator;
Fig. 5 is cutaway view after the assembling of fan embodiment of the present invention;
Fig. 6 is the structure for amplifying schematic diagram of local A in Fig. 5;
Wherein, 1 is that base, 10 is that central siphon, 11 is that insertion section, 2 is that fan housing, 3 is that rotating shaft, 30 is that annular recess, 4 is that flabellum, 5 is that stator, 50 is that upper insulating frame, 51 is that elastic cantilever, 52 is that depressed part, 53 is that the first projection, 54 is that the second projection, 55 is that lower insulating frame, 6 is that friction plate, 7 is bearing.
Execution mode specifically
Below in conjunction with accompanying drawing, oil-leakage-prevention dust-proof motor of the present invention and fan are illustrated without limitation, object is to understand better described technology contents for the public.
As Figure 1-4, it is the schematic diagram of each structure of oil-leakage-prevention dust-proof fan of the present invention, comprise motor and fan frame, motor comprises stator, rotor, bearing and base, wherein, base 1 has the central siphon 10 of opening upwards, the top of central siphon wall is provided with the insertion section 11 to upper process, rotor has rotating shaft 3, rotating shaft 3 and bearing 7 are positioned at central siphon 10, rotating shaft 3 is inserted in bearing 7, in central siphon 10 bottoms and between rotating shaft 3 for reducing the friction plate 6 of friction, the top of rotating shaft 3 is provided with annular recess 30, stator 5 is sheathed on outside central siphon 10, there is upper insulating frame 50, upper insulating frame 50 is elasticity of extension cantilever 51 to the inside, described elastic cantilever 51 have with base central siphon 10 on the depressed part 52 that mutually fastens of insertion section 11, on elastic cantilever 51, also there is the first projection 53 stretching in rotating shaft annular recess 30, and the second projection 54 that is resisted against edge on bearing 7, stator 5 can also comprise silicon steel sheet combination and lower insulating frame 55, rotor is connected with fan frame 2, several flabellums 4 extend from fan frame 2.As shown in Figure 5 and Figure 6, for the overall structure schematic diagram after oil-leakage-prevention dust-proof fan assembling of the present invention, elastic cantilever 51 structures on the upper insulating frame 50 of stator, when the rotating shaft 3 of rotor is inserted in bearing 7, elastic cantilever 51 structures of upper insulating frame 50 can stretch in ring-shaped depression 30 structures of rotating shaft 3, and then rotor and stator 5 are snapped together, in case spline departs from stator, in addition, stretch into and turn, elastic cantilever 51 structures of the upper insulating frame 50 in 3 ring-shaped depression 30 also can prevent that the lubricating oil between bearing 7 and rotating shaft 3 from oozing out, and prevent that extraneous dust from falling between bearing 7 and rotating shaft 3.
With reference to foregoing, easily understand oil-leakage-prevention dust-proof motor of the present invention, its basic structure also comprises stator, rotor, bearing and base, wherein, base 1 has the central siphon 10 of opening upwards, the top of central siphon wall is provided with the insertion section 11 to upper process, rotor has rotating shaft 3, rotating shaft 3 and bearing 7 are positioned at central siphon 10, rotating shaft 3 is inserted in bearing 7, in central siphon 10 bottoms and between rotating shaft 3 for reducing the friction plate 6 of friction, the top of rotating shaft 3 is provided with annular recess 30, stator 5 is sheathed on outside central siphon 10, there is upper insulating frame 50, upper insulating frame 50 is elasticity of extension cantilever 51 to the inside, described elastic cantilever 51 have with base central siphon 10 on the depressed part 52 that mutually fastens of insertion section 11, on elastic cantilever 51, also there is the first projection 53 stretching in rotating shaft annular recess 30, and the second projection 54 that is resisted against edge on bearing 7, stator 5 can also comprise silicon steel sheet combination and lower insulating frame 55.
It should be understood that; foregoing is not the restriction to described technical scheme; in fact; all improvement of described technical scheme being carried out with identical or approximate principle; comprise shape, the size of each several part, the improvement of material used; and the replacement of identity function element, all within the claimed technical scheme of the present invention.
Claims (8)
1. an oil-leakage-prevention dust-proof motor, comprise stator, rotor, bearing and base, it is characterized in that: base has the central siphon of opening upwards, the top of central siphon wall is provided with the insertion section to upper process, rotor has rotating shaft, rotating shaft and bearing are positioned at central siphon, rotating shaft is inserted in bearing, the top of rotating shaft is provided with annular recess, stator sleeve is located at outside central siphon, there is upper insulating frame, upper insulating frame is elasticity of extension cantilever to the inside, described elastic cantilever have with base central siphon on the depressed part that mutually fastens of insertion section, on elastic cantilever, also there is the first projection stretching in rotating shaft annular recess, and the second projection that is resisted against edge on bearing.
2. oil-leakage-prevention dust-proof motor according to claim 1, is characterized in that: described oil-leakage-prevention dust-proof motor also comprises and being arranged in central siphon bottom and between rotating shaft for reducing the friction plate of friction.
3. oil-leakage-prevention dust-proof motor according to claim 1 and 2, is characterized in that: described stator also comprises silicon steel sheet combination and lower insulating frame, and described silicon steel sheet combination is on this between insulating frame and this lower insulating frame.
4. oil-leakage-prevention dust-proof motor according to claim 1 and 2, is characterized in that: ringwise, the external diameter of described rotating shaft is greater than the internal diameter of described elastic cantilever to described elastic cantilever.
5. an oil-leakage-prevention dust-proof fan, comprise motor and fan frame, motor comprises stator, rotor, bearing and base, it is characterized in that: base has the central siphon of opening upwards, the top of central siphon wall is provided with the insertion section to upper process, rotor has rotating shaft, rotating shaft and bearing are positioned at central siphon, rotating shaft is inserted in bearing, the top of rotating shaft is provided with annular recess, stator sleeve is located at outside central siphon, there is upper insulating frame, upper insulating frame is elasticity of extension cantilever to the inside, described elastic cantilever have with base central siphon on the depressed part that mutually fastens of insertion section, on elastic cantilever, also there is the first projection stretching in rotating shaft annular recess, and the second projection that is resisted against edge on bearing, rotor is connected with fan frame, several flabellums extend from fan frame.
6. oil-leakage-prevention dust-proof fan according to claim 5, is characterized in that: described oil-leakage-prevention dust-proof fan also comprises and being arranged in central siphon bottom and between rotating shaft for reducing the friction plate of friction.
7. according to the oil-leakage-prevention dust-proof fan described in claim 5 or 6, it is characterized in that: in described oil-leakage-prevention dust-proof fan, stator also comprises silicon steel sheet combination and lower insulating frame, described silicon steel sheet combination is on this between insulating frame and this lower insulating frame.
8. according to the oil-leakage-prevention dust-proof fan described in claim 5 or 6, it is characterized in that: in described oil-leakage-prevention dust-proof fan, ringwise, the external diameter of described rotating shaft is greater than the internal diameter of described elastic cantilever to elastic cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310487773.2A CN103532260B (en) | 2013-10-16 | 2013-10-16 | Anti-leakage of oil dust-proof motor and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310487773.2A CN103532260B (en) | 2013-10-16 | 2013-10-16 | Anti-leakage of oil dust-proof motor and fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103532260A true CN103532260A (en) | 2014-01-22 |
| CN103532260B CN103532260B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310487773.2A Expired - Fee Related CN103532260B (en) | 2013-10-16 | 2013-10-16 | Anti-leakage of oil dust-proof motor and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103532260B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI645651B (en) * | 2017-05-16 | 2018-12-21 | 奇鋐科技股份有限公司 | Stator structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6376946B1 (en) * | 2001-08-23 | 2002-04-23 | Bill Lee | D.C. brushless air fan with an annular oil trough |
| CN202424323U (en) * | 2011-11-22 | 2012-09-05 | 黄瑞益 | Brushless motor fan |
| CN103187835A (en) * | 2008-06-24 | 2013-07-03 | 建准电机工业股份有限公司 | Motor facilitating assembling and positioning bearing |
| CN203441790U (en) * | 2013-07-31 | 2014-02-19 | 讯强电子(惠州)有限公司 | Fan and motor mechanism thereof |
| CN203504311U (en) * | 2013-10-16 | 2014-03-26 | 深圳市锦固鸿五金科技有限公司 | Oil-leak-prevention and dustproof motor and fan |
-
2013
- 2013-10-16 CN CN201310487773.2A patent/CN103532260B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6376946B1 (en) * | 2001-08-23 | 2002-04-23 | Bill Lee | D.C. brushless air fan with an annular oil trough |
| CN103187835A (en) * | 2008-06-24 | 2013-07-03 | 建准电机工业股份有限公司 | Motor facilitating assembling and positioning bearing |
| CN202424323U (en) * | 2011-11-22 | 2012-09-05 | 黄瑞益 | Brushless motor fan |
| CN203441790U (en) * | 2013-07-31 | 2014-02-19 | 讯强电子(惠州)有限公司 | Fan and motor mechanism thereof |
| CN203504311U (en) * | 2013-10-16 | 2014-03-26 | 深圳市锦固鸿五金科技有限公司 | Oil-leak-prevention and dustproof motor and fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103532260B (en) | 2016-06-08 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20171016 |