CN202721533U - Novel end cover and external rotor motor applying same - Google Patents
Novel end cover and external rotor motor applying same Download PDFInfo
- Publication number
- CN202721533U CN202721533U CN 201220313652 CN201220313652U CN202721533U CN 202721533 U CN202721533 U CN 202721533U CN 201220313652 CN201220313652 CN 201220313652 CN 201220313652 U CN201220313652 U CN 201220313652U CN 202721533 U CN202721533 U CN 202721533U
- Authority
- CN
- China
- Prior art keywords
- stiffener
- end cap
- external rotor
- reinforcements
- cap body
- 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.)
- Expired - Lifetime
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Classifications
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- 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
-
- 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
- H02K5/15—Mounting arrangements for bearing-shields or end plates
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses an external rotor motor, which comprises end covers, an external rotor, a stator assembly and a rotating shaft, wherein the rotating shaft is connected with the stator assembly, the external rotor is nested outside the stator assembly, the end covers are installed on two ends of the external rotor, and the rotating shaft is supported on a bearing of the end covers. The end cover comprises an end cover body, a bearing seat projects downward from the end cover body, and a plurality of first reinforcing ribs project outward from the end part of the bearing seat and the end cover body; tail parts of the first reinforcing ribs are connected through a first reinforcing plate, and a first radiating channel is formed between two adjacent first reinforcing ribs; a second reinforcing rib projects outward from the first reinforcing rib, tail parts of the second reinforcing ribs are connected through a second reinforcing plate, and a second radiating channel is formed between two adjacent second reinforcing ribs. The external rotor motor has the beneficial effects of simple structure, simple and easy assembly, light weight of the end cover, low cost, high rotating speed of the motor, high efficiency, good ventilation effect and low temperature rise.
Description
Technical field:
The utility model relates to the external rotor electric machine of a kind of novel end cover and application thereof.
Background technology:
The end cap of external rotor electric machine is installed on the external rotor usually, and rotate with external rotor, and there is following problem in traditional end cap for outer rotor: 1) the end cap weight ratio is heavier, increase rotor weight, affect the rotating speed of motor, thereby affect electric efficiency, the end cap cost is high simultaneously; 2) end cap is installed difficulty, and efficiency of assembling is low; 3) the end cap performance of ventilating is poor, and mounted motor rear motor radiating effect is poor, and electric machine temperature rise is high.
Summary of the invention:
A purpose of the present utility model provides a kind of novel end cover, and it is lightweight, and cost is low, and result of ventilating heat dissipation is good.
The utility model is to be achieved by following technical scheme.
A kind of novel end cover, comprise the end cap body, the end cap body protrudes bearing pedestal downwards, in the bearing pedestal end, outwardly some the first reinforcements of end cap body, the afterbody of the first reinforcement is connected by the first stiffener, outwards outstanding the second reinforcement of the first stiffener, and the afterbody of the second reinforcement connects by the second stiffener, form the first heat dissipation channel between adjacent two the first reinforcements, form the second heat dissipation channel between adjacent two the second reinforcements.
The first stiffener described above is annular, and the second stiffener also is annular, and the internal diameter of the first stiffener is less than the internal diameter of the second stiffener.
Some the first reinforcements described above are distributed on the end cap body outside, are radiated entends, and some the second reinforcements are distributed on the first stiffener outside, are radiated entends.
Described above protrudes some dowels at the bearing pedestal outer side surface, and dowel connects the first reinforcement and bearing pedestal.
Lid body end face described above protrudes some end face reinforcements.
The second stiffener end face described above protrudes some projections, and projection is provided with groove.
The utility model motor stretching end cover is compared with prior art had a beneficial effect: 1) the utility model end cap is lightweight, and cost is low, and result of ventilating heat dissipation is good; 2) protrude some dowels at the bearing pedestal outer side surface, dowel connects the first reinforcement and bearing pedestal, reasonable in design, fastener shaft bearing.
Another purpose of the present utility model provides a kind of external rotor electric machine, and it adopts novel end cover, and is simple in structure, assembles simple and easyly, and motor ventilation is effective, and temperature rise is low, and motor speed is high, improves electric efficiency.
The utility model is to be achieved by following technical scheme.
A kind of external rotor electric machine, comprise end cap, external rotor, stator module and rotating shaft, rotating shaft and stator module connect, external rotor is nested in outside the stator module, end cap is installed in the external rotor two ends, shaft support is on the bearing of end cap, described end cap comprises the end cap body, the end cap body protrudes bearing pedestal downwards, in the bearing pedestal end, outwardly some the first reinforcements of end cap body, the afterbody of the first reinforcement is connected by the first stiffener, form the first heat dissipation channel between adjacent two the first reinforcements, outwards outstanding the second reinforcement of the first stiffener, the afterbody of the second reinforcement connects by the second stiffener, forms the second heat dissipation channel between adjacent two the second reinforcements.
The first stiffener described above is annular, and the second stiffener also is annular, and the internal diameter of the first stiffener is less than the internal diameter of the second stiffener.
Some the first reinforcements described above are distributed on the end cap body outside, are radiated entends, and some the second reinforcements are distributed on the first stiffener outside, are radiated entends.
The second stiffener end face described above protrudes some projections, and projection is provided with groove, and compressing tablet embeds in the groove and is pressed on the external rotor end face, and screw embeds in the external rotor by compressing tablet end cap is locked on the external rotor.
The utility model motor is compared with prior art had a beneficial effect and is: 1) the utility model external rotor electric machine adopts lightweight end cap, and end cap is installed on the external rotor, and is simple in structure, assemble simple and easyly, motor ventilation is effective, and temperature rise is low, motor speed is improved, thereby improve electric efficiency; 2) the second stiffener end face protrudes some projections, and projection is provided with groove, and compressing tablet embeds in the groove and is pressed on the external rotor end face, and screw embeds in the external rotor by compressing tablet end cap is locked on the external rotor, and is simple to operate, installs simple and easy.
Description of drawings:
Fig. 1 is the stereogram of the utility model end cap;
Fig. 2 is the stereogram of another angle of the utility model end cap;
Fig. 3 is the utility model motor stereogram;
Fig. 4 is the utility model motor cutaway view;
Fig. 5 is the A-A partial enlarged drawing among Fig. 4.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as depicted in figs. 1 and 2, the utility model is a kind of novel end cover, comprise end cap body 11, end cap body 11 protrudes bearing pedestal 12 downwards, in bearing pedestal 12 ends, end cap body 11 outwardly some the first reinforcements 13, the afterbody of the first reinforcement 13 is connected by the first stiffener 14, the first stiffener 14 outwards outstanding the second reinforcements 16, the afterbody of the second reinforcement 16 connects by the second stiffener 17, form the first heat dissipation channel 15 between adjacent two the first reinforcements 13, form the second heat dissipation channel 18 between adjacent two the second reinforcements 16.
Embodiment two: the basis at embodiment one increases following technical characterictic: the first stiffener 14 is annular, and the second stiffener 17 also is annular, and the internal diameter of the first stiffener 14 is less than the internal diameter of the second stiffener 17.
Embodiment three: the basis at embodiment two increases following technical characterictic: some the first reinforcements 13 are distributed on end cap body 1 outside, are radiated entends, and some the second reinforcements 16 are distributed on the first stiffener 14 outsides, are radiated entends.
Embodiment four: the basis at embodiment one or embodiment two or embodiment three increases following technical characterictic: protrude some dowels 19 at bearing pedestal 12 outer side surfaces, dowel 19 connects the first reinforcement 13 and bearing pedestal 12.
Embodiment five: the basis at embodiment one or embodiment two or embodiment three increases following technical characterictic: end cap body 11 end faces protrude some end face reinforcements 110.
Embodiment six: the basis at embodiment one or embodiment two or embodiment three increases following technical characterictic: the second stiffener 17 end faces protrude some projections 170, and projection 170 is provided with groove 171.
The technical characterictic independent assortment of the increase that embodiment two, embodiment three, embodiment four, embodiment five and embodiment six mention is combined into new technical scheme with the technical scheme of embodiment one.
Embodiment seven: extremely shown in Figure 5 such as Fig. 1, the utility model is a kind of external rotor electric machine, comprise end cap 1, external rotor 2, stator module 3 and rotating shaft 4, rotating shaft 4 connects with stator module 3, external rotor 2 is nested in outside the stator module 3, end cap 1 is installed in external rotor 2 two ends, rotating shaft 4 is bearing on the bearing 5 of end cap 1, described end cap 1 comprises end cap body 11, end cap body 11 protrudes bearing pedestal 12 downwards, in bearing pedestal 12 ends, end cap body 11 outwardly some the first reinforcements 13, the afterbody of the first reinforcement 13 is connected by the first stiffener 14, forms the first heat dissipation channel 15, the first stiffeners 14 outwards outstanding the second reinforcements 16 between adjacent two the first reinforcements 13, the afterbody of the second reinforcement 16 connects by the second stiffener 17, forms the second heat dissipation channel 18 between adjacent two the second reinforcements 16.
Embodiment eight: the basis at embodiment seven increases following technical characterictic: the first stiffener 14 is annular, and the second stiffener 17 also is annular, and the internal diameter of the first stiffener 14 is less than the internal diameter of the second stiffener 17.
Embodiment nine: the basis at embodiment eight increases following technical characterictic: some the first reinforcements 13 are distributed on end cap body 1 outside, are radiated entends, and some the second reinforcements 16 are distributed on the first stiffener 14 outsides, are radiated entends.
Embodiment ten: the basis at embodiment seven or embodiment eight or embodiment nine increases following technical characterictic: the second stiffener 17 end faces protrude some projections 170, projection 170 is provided with groove 171, compressing tablet 6 embeds 171 li of grooves and also is pressed on external rotor 2 end faces, and screw 7 embeds 2 li of external rotors by compressing tablet 6 end cap 1 is locked on the external rotor 2.
Because the application is mechanical field, the apparent association of ability those of ordinary skill obtains: the technical characterictic independent assortment of the increase that embodiment eight, embodiment nine and embodiment ten mention is combined into new technical scheme with the technical scheme of embodiment seven.
The utility model electric motor end cap 1 is lightweight, and cost is low, and on the external rotor 2 of installation, motor speed improves, thereby electric efficiency is high, and end cap 1 is provided with the first heat dissipation channel 15 and the second heat dissipation channel 18, makes motor ventilation effective, and temperature rise is low.
Claims (10)
1. novel end cover, comprise end cap body (11), end cap body (11) protrudes bearing pedestal (12) downwards, it is characterized in that: in bearing pedestal (12) end, outwardly some the first reinforcements of end cap body (11) (13), the afterbody of the first reinforcement (13) is connected by the first stiffener (14), the first stiffener (14) is outstanding the second reinforcement (16) outwards, the afterbody of the second reinforcement (16) connects by the second stiffener (17), form the first heat dissipation channel (15) between adjacent two the first reinforcements (13), form the second heat dissipation channel (18) between adjacent two the second reinforcements (16).
2. a kind of novel end cover according to claim 1, it is characterized in that: the first stiffener (14) is annular, and the second stiffener (17) also is annular, and the internal diameter of the first stiffener (14) is less than the internal diameter of the second stiffener (17).
3. a kind of novel end cover according to claim 2, it is characterized in that: some the first reinforcements (13) are distributed on end cap body (1) outside, be radiated entends, some the second reinforcements (16) are distributed on the first stiffener (14) outside, are radiated entends.
4. according to claim 1 and 2 or 3 described a kind of novel end covers, it is characterized in that: protrude some dowels (19) at bearing pedestal (12) outer side surface, dowel (19) connects the first reinforcement (13) and bearing pedestal (12).
5. according to claim 1 and 2 or 3 described a kind of novel end covers, it is characterized in that: end cap body (11) end face protrudes some end face reinforcements (110).
6. according to claim 1 and 2 or 3 described a kind of novel end covers, it is characterized in that: the second stiffener (17) end face protrudes some projections (170), and projection (170) is provided with groove (171).
7. an application rights requires the external rotor electric machine of 1 described novel end cover, comprise end cap (1), external rotor (2), stator module (3) and rotating shaft (4), rotating shaft (4) connects with stator module (3), external rotor (2) is nested in outside the stator module (3), end cap (1) is installed in external rotor (2) two ends, rotating shaft (4) is bearing on the bearing (5) of end cap (1), described end cap (1) comprises end cap body (11), end cap body (11) protrudes bearing pedestal (12) downwards, it is characterized in that: in bearing pedestal (12) end, outwardly some the first reinforcements of end cap body (11) (13), the afterbody of the first reinforcement (13) is connected by the first stiffener (14), form the first heat dissipation channel (15) between adjacent two the first reinforcements (13), the first stiffener (14) is outstanding the second reinforcement (16) outwards, the afterbody of the second reinforcement (16) connects by the second stiffener (17), forms the second heat dissipation channel (18) between adjacent two the second reinforcements (16).
8. motor according to claim 7, it is characterized in that: the first stiffener (14) is annular, and the second stiffener (17) also is annular, and the internal diameter of the first stiffener (14) is less than the internal diameter of the second stiffener (17).
9. motor according to claim 8 is characterized in that: some the first reinforcements (13) are distributed on end cap body (1) outside, are radiated entends, and some the second reinforcements (16) are distributed on the first stiffener (14) outside, are radiated entends.
10. according to claim 7 or 8 or 9 described motors, it is characterized in that: the second stiffener (17) end face protrudes some projections (170), projection (170) is provided with groove (171), it is inner and be pressed on external rotor (2) end face that compressing tablet (6) embeds groove (171), and screw (7) is locked at end cap (1) on the external rotor (2) by compressing tablet (6) embedding external rotor (2) is inner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313652 CN202721533U (en) | 2012-06-29 | 2012-06-29 | Novel end cover and external rotor motor applying same |
| PCT/CN2013/073172 WO2014000479A1 (en) | 2012-06-29 | 2013-03-26 | Novel end cover and which for use in external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313652 CN202721533U (en) | 2012-06-29 | 2012-06-29 | Novel end cover and external rotor motor applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202721533U true CN202721533U (en) | 2013-02-06 |
Family
ID=47623337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220313652 Expired - Lifetime CN202721533U (en) | 2012-06-29 | 2012-06-29 | Novel end cover and external rotor motor applying same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202721533U (en) |
| WO (1) | WO2014000479A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014000479A1 (en) * | 2012-06-29 | 2014-01-03 | 中山大洋电机股份有限公司 | Novel end cover and which for use in external rotor motor |
| CN105449888A (en) * | 2015-12-25 | 2016-03-30 | 广州亿航智能技术有限公司 | Brushless direct-current motor |
| CN110556965A (en) * | 2019-09-27 | 2019-12-10 | 珠海格力电器股份有限公司 | Rotor shell structure, outer rotor motor and washing machine with same |
| CN111446802A (en) * | 2020-01-21 | 2020-07-24 | 追创科技(苏州)有限公司 | High heat dissipation motor and dust catcher |
| EP4007128A4 (en) * | 2020-09-15 | 2022-11-30 | Foshan Welling Washer Motor Manufacturing Co., Ltd. | Motor and washing machine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958720A (en) * | 2016-06-14 | 2016-09-21 | 湖州永盛机械铸造有限公司 | Novel shockproof motor end cover |
| FR3065592B1 (en) * | 2017-04-20 | 2021-07-23 | Valeo Equip Electr Moteur | ROTATING ELECTRIC MACHINE EQUIPPED WITH A BEARING CONFIGURATION TO IMPROVE COOLING |
| TWI659594B (en) * | 2018-02-09 | 2019-05-11 | 建準電機工業股份有限公司 | Bearing positioning structure and motor including the same |
| WO2019208126A1 (en) * | 2018-04-25 | 2019-10-31 | パナソニックＩｐマネジメント株式会社 | Motor |
| FR3108000B1 (en) * | 2020-03-09 | 2023-05-12 | Valeo Equipemenst Electriques Moteur | Plastic flange fitted with reinforcing walls for a rotating electrical machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10313273B9 (en) * | 2003-03-24 | 2016-10-20 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Electric motor with high IP protection |
| CN201383724Y (en) * | 2009-03-25 | 2010-01-13 | 中山大洋电机股份有限公司 | Motor end cover and applied outer rotor and outer rotor motor thereof |
| CN202153682U (en) * | 2011-08-16 | 2012-02-29 | 重庆神驰机电有限公司 | Motor end cap |
| CN202231522U (en) * | 2011-09-07 | 2012-05-23 | 东莞市特仕电机科技有限公司 | Motor rear cover |
| CN202721533U (en) * | 2012-06-29 | 2013-02-06 | 中山大洋电机股份有限公司 | Novel end cover and external rotor motor applying same |
-
2012
- 2012-06-29 CN CN 201220313652 patent/CN202721533U/en not_active Expired - Lifetime
-
2013
- 2013-03-26 WO PCT/CN2013/073172 patent/WO2014000479A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014000479A1 (en) * | 2012-06-29 | 2014-01-03 | 中山大洋电机股份有限公司 | Novel end cover and which for use in external rotor motor |
| CN105449888A (en) * | 2015-12-25 | 2016-03-30 | 广州亿航智能技术有限公司 | Brushless direct-current motor |
| CN110556965A (en) * | 2019-09-27 | 2019-12-10 | 珠海格力电器股份有限公司 | Rotor shell structure, outer rotor motor and washing machine with same |
| CN111446802A (en) * | 2020-01-21 | 2020-07-24 | 追创科技(苏州)有限公司 | High heat dissipation motor and dust catcher |
| EP4007128A4 (en) * | 2020-09-15 | 2022-11-30 | Foshan Welling Washer Motor Manufacturing Co., Ltd. | Motor and washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014000479A1 (en) | 2014-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |