CN102163888A - ceiling fan motor - Google Patents
ceiling fan motor Download PDFInfo
- Publication number
- CN102163888A CN102163888A CN 201110115271 CN201110115271A CN102163888A CN 102163888 A CN102163888 A CN 102163888A CN 201110115271 CN201110115271 CN 201110115271 CN 201110115271 A CN201110115271 A CN 201110115271A CN 102163888 A CN102163888 A CN 102163888A
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- China
- Prior art keywords
- motor
- bearing
- lower bearing
- chamber
- metal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The invention relates to a ceiling fan motor, which comprises a motor upper shell (3), a motor lower shell (6), a motor shaft (1), an upper bearing (2), a lower bearing (7), a motor stator (4) and a motor rotor (5) matched outside the motor stator; an upper bearing chamber (31) is arranged in the center of the motor upper shell (3), and the upper bearing (2) is positioned in the upper bearing chamber (31) and sleeved on the motor shaft (1); a lower bearing chamber (61) is arranged at the center of the lower motor shell (6), and the lower bearing (7) is arranged in the lower bearing chamber and sleeved on the motor shaft (1); the motor rotor (5) is arranged in the inner circles of the motor upper shell (3) and the motor lower shell (6); characterized by further comprising a wave-shaped spring washer (8), wherein the wave-shaped spring washer (8) is arranged in the lower bearing chamber (61) and is positioned at the bottom of the lower bearing (7); the upper bearing (2) is in clearance fit with the upper bearing chamber (31), and the lower bearing (7) is in clearance fit with the lower bearing chamber (61). The motor rotor positioning device keeps the correct positions of the upper bearing, the lower bearing and the motor rotor, improves the radial and axial positioning precision of the upper bearing and the lower bearing, improves the rotating precision, reduces vibration and prevents bearing noise caused by resonance.
Description
Technical field
The present invention relates to a kind of ceiling fan motor.
Background technology
The present ceiling-fan motor that uses, its motor bearings and bearing chamber are interference fit, this structure is installed difficulty in process of production, and be prone to phenomenons such as dragging the dead and damage of bearings in checkpost, cause motor powered bad, the noise that bearing produces is big, influences motor overall quality and life-span.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and a kind of bad and problem such as equipment difficulty etc. of production process mesolow crawl that can effectively solve is provided, reduce phenomenons such as occurring dragging the dead and damage of bearings in checkpost in the assembling process, a kind of ceiling-fan motor of minimizing bearing noise.
In order to achieve the above object, the present invention is achieved in that it is a kind of ceiling-fan motor, comprises motor upper casing, motor lower casing, motor shaft, upper bearing (metal), lower bearing, motor stator and is engaged in the outer rotor of motor stator; Be provided with the upper bearing (metal) chamber at the center of described motor upper casing, described upper bearing (metal) is arranged in the upper bearing (metal) chamber and is sleeved on the described motor shaft; Center at described motor lower casing is provided with lower bearing room, and described lower bearing is located in the lower bearing room and is sleeved on the described motor shaft; Described rotor is located in the interior circle of described motor upper casing and motor lower casing; It is characterized in that also comprising the wave mode spring washer, the wave mode spring washer is located in the described lower bearing room and is positioned at the bottom of described lower bearing; Described upper bearing (metal) and upper bearing (metal) chamber matched in clearance, described lower bearing and lower bearing room's matched in clearance.
The interior round interference fit of described rotor and described motor upper casing and motor lower casing.
Highly be 1.2～1.4mm under the described wave mode spring washer operating state, highly about 3～5mm under the operating state not.
The present invention's advantage compared with prior art is, can effectively solve problems such as the bad and equipment difficulty of production process mesolow crawl, reduces phenomenons such as occurring dragging the dead and damage of bearings in checkpost in the assembling process, and the motor overall quality is good, long service life.It keeps the tram of upper and lower bearing and rotor, has improved the radial and axial positioning accuracy of upper and lower bearing, improves the precision of rotation, reduces vibration and prevents to resonate and the bearing noise that causes.
Description of drawings
Fig. 1 is ceiling-fan motor bearing pre-tightened explosion views of the present invention;
Fig. 2 is a wavy spring packing ring front view of the present invention;
Fig. 3 is the vertical view of Fig. 2.
Embodiment
Below in conjunction with drawings and Examples the present invention is done further detailed description:
As shown in Figures 1 to 3, it is a kind of ceiling-fan motor, comprises motor upper casing 3, motor lower casing 6, motor shaft 1, upper bearing (metal) 2, lower bearing 7, motor stator 4 and is engaged in the outer rotor 5 of motor stator; Be provided with upper bearing (metal) chamber 31 at the center of described motor upper casing 3, described upper bearing (metal) 2 is arranged in upper bearing (metal) chamber 31 and is sleeved on the described motor shaft 1; Be provided with lower bearing room 61 at the center of described motor lower casing 6, described lower bearing 7 is located in the lower bearing room and is sleeved on the described motor shaft 1; Described rotor 5 is located in the interior circle of described motor upper casing 3 and motor lower casing 6; Characteristics of the present invention are also to comprise wave mode spring washer 8, and wave mode spring washer 8 is located in the described lower bearing room 61 and is positioned at the bottom of described lower bearing 7; Described upper bearing (metal) 2 and upper bearing (metal) chamber 31 matched in clearance, described lower bearing 7 and lower bearing room's 61 matched in clearance, the radial and axial positioning accuracy of upper and lower two bearings is improved in the tram that helps keeping upper bearing (metal) 2, lower bearing 7 and rotor 5 like this.
In the present embodiment, the interior round interference fit of described rotor 5 and described motor upper casing 3 and motor lower casing 6 to guarantee motor in assembling process, is unlikely to because excessive motor upper casing 3, the motor lower casing 6 of causing of pretightning force is difficult to assembling.
Highly be about 1.3mm, not highly about 4mm under the operating state under described wave mode spring washer 8 operating states.
Claims (3)
1. a ceiling-fan motor comprises motor upper casing (3), motor lower casing (6), motor shaft (1), upper bearing (metal) (2), lower bearing (7), motor stator (4) and is engaged in the outer rotor (5) of motor stator; Be provided with upper bearing (metal) chamber (31) at the center of described motor upper casing (3), described upper bearing (metal) (2) is arranged in upper bearing (metal) chamber (31) and is sleeved on the described motor shaft (1); Be provided with lower bearing room (61) at the center of described motor lower casing (6), described lower bearing (7) is located in the lower bearing room and is sleeved on the described motor shaft (1); Described rotor (5) is located in the interior circle of described motor upper casing (3) and motor lower casing (6); It is characterized in that also comprising wave mode spring washer (8), wave mode spring washer (8) is located in the described lower bearing room (61) and is positioned at the bottom of described lower bearing (7); Described upper bearing (metal) (2) and upper bearing (metal) chamber (31) matched in clearance, described lower bearing (7) and lower bearing room (61) matched in clearance.
2. require described ceiling-fan motor according to right 1, it is characterized in that the interior round interference fit of described rotor (5) and described motor upper casing (3) and motor lower casing (6).
3. require described ceiling-fan motor according to right 1, it is characterized in that under described wave mode spring washer (8) operating state highly being 1.2～1.4mm, not highly about 3～5mm under the operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101152718A CN102163888B (en) | 2011-05-05 | 2011-05-05 | ceiling fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101152718A CN102163888B (en) | 2011-05-05 | 2011-05-05 | ceiling fan motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102163888A true CN102163888A (en) | 2011-08-24 |
| CN102163888B CN102163888B (en) | 2012-11-07 |
Family
ID=44464923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101152718A Active CN102163888B (en) | 2011-05-05 | 2011-05-05 | ceiling fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102163888B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683622A (en) * | 2013-12-06 | 2014-03-26 | 宁波沪江电机有限公司 | Ceiling fan motor |
| CN113644779A (en) * | 2021-07-15 | 2021-11-12 | 浙江零跑科技股份有限公司 | New forms of energy car damping vibration isolation noise reduction device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2248261Y (en) * | 1995-03-22 | 1997-02-26 | 殷惠明 | Hanging fan |
| CN2551789Y (en) * | 2002-05-08 | 2003-05-21 | 陈家德 | Stable revolution multi-rotor ceiling fan structure |
| CN201038880Y (en) * | 2007-04-30 | 2008-03-19 | 张鸣元 | External rotor motor |
| US20080169732A1 (en) * | 2007-01-11 | 2008-07-17 | Chung-Min Chang | Integrated stator and rotor for a dc brushless ceiling fan motor |
| US20080284423A1 (en) * | 2007-05-18 | 2008-11-20 | Air Cool Industrial Co., Ltd. | Detecting device for a motor of a ceiling fan |
| WO2009090662A2 (en) * | 2008-01-18 | 2009-07-23 | Crompton Greaves Limited | A bldc motor driven ceiling fan |
-
2011
- 2011-05-05 CN CN2011101152718A patent/CN102163888B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2248261Y (en) * | 1995-03-22 | 1997-02-26 | 殷惠明 | Hanging fan |
| CN2551789Y (en) * | 2002-05-08 | 2003-05-21 | 陈家德 | Stable revolution multi-rotor ceiling fan structure |
| US20080169732A1 (en) * | 2007-01-11 | 2008-07-17 | Chung-Min Chang | Integrated stator and rotor for a dc brushless ceiling fan motor |
| CN201038880Y (en) * | 2007-04-30 | 2008-03-19 | 张鸣元 | External rotor motor |
| US20080284423A1 (en) * | 2007-05-18 | 2008-11-20 | Air Cool Industrial Co., Ltd. | Detecting device for a motor of a ceiling fan |
| WO2009090662A2 (en) * | 2008-01-18 | 2009-07-23 | Crompton Greaves Limited | A bldc motor driven ceiling fan |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683622A (en) * | 2013-12-06 | 2014-03-26 | 宁波沪江电机有限公司 | Ceiling fan motor |
| CN103683622B (en) * | 2013-12-06 | 2016-02-24 | 宁波沪江电机有限公司 | A kind of ceiling-fan motor |
| CN113644779A (en) * | 2021-07-15 | 2021-11-12 | 浙江零跑科技股份有限公司 | New forms of energy car damping vibration isolation noise reduction device |
| CN113644779B (en) * | 2021-07-15 | 2022-07-19 | 浙江零跑科技股份有限公司 | New forms of energy car damping vibration isolation noise reduction device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102163888B (en) | 2012-11-07 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Midea Group |