CN201789359U - External rotor electric machine with waterproof structure - Google Patents
External rotor electric machine with waterproof structure Download PDFInfo
- Publication number
- CN201789359U CN201789359U CN2010205374130U CN201020537413U CN201789359U CN 201789359 U CN201789359 U CN 201789359U CN 2010205374130 U CN2010205374130 U CN 2010205374130U CN 201020537413 U CN201020537413 U CN 201020537413U CN 201789359 U CN201789359 U CN 201789359U
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- Prior art keywords
- external rotor
- annular boss
- water
- base
- water fender
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- Expired - Lifetime
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Abstract
The utility model discloses an external rotor electric machine with waterproof structure, which comprises a supporting seat (1) and an external rotor shell (2). The supporting seat (1) comprises an upright post (11) and a base (12); the external rotor shell (2) can be rotatablely connected on the supporting seat (1); a plurality of annular lug bosses (13) are formed in the upper end surface of the base (12); notches are formed between adjacent annular lug bosses (13); a waterproof ring (3) is arranged at the end part of the external rotor shell (2); the waterproof ring (3) comprises a bottom panel (32) and a plurality of water eliminators (31) protruding from the bottom panel (32); and the water eliminators (31) are embedded into the notches (14) on the base (12). The technical scheme is simple in structure, convenient to dismount and solves the water penetration and drainage problems of electrical motor, along with good drainage effect.
Description
Technical field:
The utility model relates to a kind of external rotor electric machine with waterproof construction.
Background technology:
The external rotor electric machine of traditional band waterproof construction generally adopts gasket structure or single drip ring structure, and seal washer loses waterproof action through easily displacement distortion behind the motor rotation; And single drip ring structure, more for a long time, draining is untimely at motor groove ponding, and easily expiring drip ring enters motor internal, causes burn-down of electric motor, and water resistance is poor.
Summary of the invention:
The purpose of this utility model provides a kind of external rotor electric machine with waterproof construction, and it solves external rotor electric machine waterproof, drainage problem, and is simple in structure, easy to assembly, good water-proof effect.
The purpose of this utility model is to be achieved by following technical scheme.
A kind of external rotor electric machine with waterproof construction comprises supporting base and external rotor casing, and supporting base comprises column and base, and the external rotor casing is rotatably connected on supporting base, and some annular boss are protruded in the base upper surface, constitute groove between the adjacent annular boss; The end of external rotor casing is equipped with a water proof ring, and water proof ring comprises bottom panel and protrude some water fenders from bottom panel that water fender embeds the groove on the base.
Above-mentioned described some annular boss are respectively first annular boss, second annular boss and the 3rd annular boss, some water fenders are respectively first water fender, second water fender, and first water fender is embedded into first annular boss and second and encircles the groove the inside that boss surrounds; Second water fender is embedded into the groove the inside that second annular boss and the 3rd annular boss surround.
Above-mentioned described first annular boss, second annular boss and the 3rd annular boss height from outside increase successively toward interior.
Above-mentioned described water fender is toward outer incline.
The above-mentioned described osculum that has on bottom panel, osculum is between first water fender, second water fender.
On above-mentioned described first annular boss draining breach is set.
The outer race of above-mentioned described column is equipped with stator module, and the inwall of external rotor casing is equipped with permanent magnet, and external rotor casing and rotating shaft are installed and linked together, rotating shaft by Bearing Installation on column.
Above-mentioned described base is installed in an end of control box, and the control box the inside is equipped with wiring board, and wiring board connects electronic element.
The utility model beneficial effect compared with prior art is: 1) some annular boss are protruded in the base upper surface of external rotor electric machine, constitute groove between the adjacent annular boss; The end of external rotor casing is equipped with a water proof ring, and water proof ring comprises bottom panel and protrude some water fenders from bottom panel that water fender embeds the groove on the base, this effective realization external rotor electric machine waterproof simple in structure, draining, simple in structure, easy for installation, good water-proof effect; 2) first annular boss, second annular boss and the 3rd annular boss height from outside increase successively toward interior, form a plurality of waterproof barriers, good water-proof effect; 3) on first annular boss draining breach is set, solves motor ponding more for a long time, expired the problem that drip ring causes burn-down of electric motor; 4) water fender on the water proof ring has osculum toward outer incline on bottom panel, and osculum is more effectively discharged ponding between first water fender, second water fender.
Description of drawings:
Fig. 1 is the utility model exploded view.
Fig. 2 is the utility model hoisting structure figure.
Fig. 3 is the A-A partial enlarged drawing of Fig. 2.
Fig. 4 is the utility model formal dress structure chart.
Fig. 5 is the B-B partial enlarged drawing of Fig. 4.
Fig. 6 is the stereogram of the utility model supporting base.
Fig. 7 is the front view of the utility model water proof ring.
Fig. 8 is the C-C profile of Fig. 7.
Embodiment:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as Fig. 1, and Fig. 2, Fig. 3, Fig. 6, Fig. 7, shown in Figure 8, be in a kind of external rotor electric machine of lifting state with waterproof construction, comprise supporting base 1 and external rotor casing 2, supporting base 1 comprises column 11 and base 12, and external rotor casing 2 is rotatably connected on supporting base 1, the outer race of column 11 is equipped with stator module 9, the inwall of external rotor casing 2 is equipped with permanent magnet 4, and external rotor casing 2 is installed with rotating shaft 5 and linked together, and rotating shaft 5 is installed on the column 11 by bearing 6; Base 12 is installed in an end of control box 7, and control box 7 the insides are equipped with wiring board 8, and wiring board 8 connects electronic element, and some annular boss 13 are protruded in base 12 upper surfaces, constitutes groove 14 between the adjacent annular boss 13; The end of external rotor casing 2 is equipped with a water proof ring 3, and water proof ring 3 comprises bottom panel 32 and protrudes some water fenders 31 from bottom panel 32, the groove 14 that water fender 31 embeds on the base 12; Some annular boss 13 are respectively first annular boss 131, second annular boss 132 and the 3rd annular boss 133, some water fenders 31 are respectively first water fender 311, second water fender, 312, the first water fenders 311 are embedded into first annular boss 131 and second and encircle groove 14 the insides that boss 132 surrounds; Second water fender 312 is embedded into groove 14 the insides that second annular boss 132 and the 3rd annular boss 133 surround; First annular boss 131, second annular boss 132 and the 3rd annular boss 133 height are from outer past interiorly increase successively; Water fender 31 is past outer inclines; Have osculum 33 on bottom panel 32, osculum 33 is between first water fender 311, second water fender 312.
Operation principle: generally speaking, some annular boss 13 are protruded in motor base 12 upper surfaces, constitute groove 14 between the adjacent annular boss 13; The end of external rotor casing 2 is equipped with a water proof ring 3, and the water fender of water proof ring 3 31 embeds grooves 14, the first annular boss 131, second annular boss 132 and the 3rd annular boss 133 height from outer past interiorly increase successively, and water is difficult to enter motor internal; Even water has been infiltrated in groove 14 the insides, when machine operation, permanent magnet 4 rotates with external rotor casing 2, the water proof ring 3 that is installed in the end of external rotor casing 2 also rotates together, water proof ring 3 rotates the centrifugal force that produces, and will enter groove 14 current and be thrown to first water fender 311, because water fender 31 is past outer inclines, water is past dirty along the inwall of first baffle plate 311, discharges motors by the osculum of opening on bottom panel 32 33.
Embodiment two: as Fig. 1, and Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, be in a kind of external rotor electric machine of formal dress state with waterproof construction, comprise supporting base 1 and external rotor casing 2, supporting base 1 comprises column 11 and base 12, and external rotor casing 2 is rotatably connected on supporting base 1, the outer race of column 11 is equipped with stator module 9, the inwall of external rotor casing 2 is equipped with permanent magnet 4, and external rotor casing 2 is installed with rotating shaft 5 and linked together, and rotating shaft 5 is installed on the column 11 by bearing 6; Base 12 is installed in an end of control box 7, and control box 7 the insides are equipped with wiring board 8, and wiring board 8 connects electronic element, and some annular boss 13 are protruded in base 12 upper surfaces, constitutes groove 14 between the adjacent annular boss 13; The end of external rotor casing 2 is equipped with a water proof ring 3, and water proof ring 3 comprises bottom panel 32 and protrudes some water fenders 31 from bottom panel 32, the groove 14 that water fender 31 embeds on the base 12; Some annular boss 13 are respectively first annular boss 131, second annular boss 132 and the 3rd annular boss 133, some water fenders 31 are respectively first water fender 311, second water fender, 312, the first water fenders 311 are embedded into first annular boss 131 and second and encircle groove 14 the insides that boss 132 surrounds; Second water fender 312 is embedded into groove 14 the insides that second annular boss 132 and the 3rd annular boss 133 surround; First annular boss 131, second annular boss 132 and the 3rd annular boss 133 height are from outer past interiorly increase successively; On first annular boss 131 draining breach 1311 is set; Protrude some annular boss 13 by base 12 upper surfaces, constitute groove 14 between the adjacent annular boss 13, annular boss 13 height increase toward interior successively from outer, and anti-sealing enters motor internal, passes through draining breach 1311 discharge waters of annular boss 131 simultaneously.
Operation principle: generally speaking, some annular boss 13 are protruded in motor base 12 upper surfaces, constitute groove 14 between the adjacent annular boss 13; The end of external rotor casing 2 is equipped with a water proof ring 3, and the water fender of water proof ring 3 31 embeds grooves 14, the first annular boss 131, second annular boss 132 and the 3rd annular boss 133 height from outer past interiorly increase successively, and water is difficult to enter motor internal; Even water has been infiltrated in groove 14 the insides, when machine operation, permanent magnet 4 rotates with external rotor casing 2, the water proof ring 3 that is installed in the end of external rotor casing 2 also rotates together, water proof ring 3 rotates the centrifugal force that produces, to enter groove 14 current and get rid of outward, pass through draining breach 1311 discharge waters of annular boss 131 simultaneously.
Claims (8)
1. external rotor electric machine with waterproof construction, comprise supporting base (1) and external rotor casing (2), supporting base (1) comprises column (11) and base (12), external rotor casing (2) is rotatably connected on supporting base (1), it is characterized in that: some annular boss (13) are protruded in base (12) upper surface, constitute groove (14) between the adjacent annular boss (13); The end of external rotor casing (2) is equipped with a water proof ring (3), and water proof ring (3) comprises bottom panel (32) and protrude some water fenders (31) from bottom panel (32) that water fender (31) embeds the groove (14) on the base (12).
2. a kind of external rotor electric machine according to claim 1 with waterproof construction, it is characterized in that: some annular boss (13) are respectively first annular boss (131), second annular boss (132) and the 3rd annular boss (133), some water fenders (31) are respectively first water fender (311), second water fender (312), and first water fender (311) is embedded into first annular boss (131) and second and encircles groove (14) the inside that boss (132) surrounds; Second water fender (312) is embedded into groove (14) the inside that second annular boss (132) and the 3rd annular boss (133) surround.
3. 1 or 2 described a kind of external rotor electric machines with waterproof construction as requested is characterized in that: first annular boss (131), second annular boss (132) and the 3rd annular boss (133) height are from outer past interiorly increase successively.
4. 1 or 2 described a kind of external rotor electric machines with waterproof construction as requested is characterized in that: water fender (31) is toward outer incline.
5. 1 or 2 described a kind of external rotor electric machines with waterproof construction as requested, it is characterized in that: have osculum (33) on bottom panel (32), osculum (33) is positioned between first water fender (311), second water fender (312).
6. a kind of external rotor electric machine with waterproof construction according to claim 1 and 2 is characterized in that: draining breach (1311) is set on first annular boss (131).
7. a kind of external rotor electric machine according to claim 3 with waterproof construction, it is characterized in that: the outer race of column (11) is equipped with stator module (9), the inwall of external rotor casing (2) is equipped with permanent magnet (4), external rotor casing (2) is installed with rotating shaft (5) and is linked together, and rotating shaft (5) is installed on the column (11) by bearing (6).
8. a kind of external rotor electric machine with waterproof construction according to claim 7 is characterized in that: base (12) is installed in an end of control box (7), and control box (7) the inside is equipped with wiring board (8), and wiring board (8) connects electronic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205374130U CN201789359U (en) | 2010-09-14 | 2010-09-14 | External rotor electric machine with waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205374130U CN201789359U (en) | 2010-09-14 | 2010-09-14 | External rotor electric machine with waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201789359U true CN201789359U (en) | 2011-04-06 |
Family
ID=43821309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205374130U Expired - Lifetime CN201789359U (en) | 2010-09-14 | 2010-09-14 | External rotor electric machine with waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201789359U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950585A (en) * | 2011-08-09 | 2013-03-06 | 株式会社牧田 | Hitting tool |
| CN102983647A (en) * | 2012-11-14 | 2013-03-20 | 江苏富丽华通用设备有限公司 | External rotor electric machine |
| WO2017067125A1 (en) * | 2015-10-22 | 2017-04-27 | 中山大洋电机股份有限公司 | Waterproof structure for external rotor motor |
| CN107947431A (en) * | 2017-12-29 | 2018-04-20 | 杭州微光电子股份有限公司 | Waterproof structure for motor and outer rotor blower fan |
| WO2018166144A1 (en) * | 2017-03-16 | 2018-09-20 | 中山大洋电机股份有限公司 | Waterproof structure of external rotor electric motor |
| CN109038916A (en) * | 2018-08-13 | 2018-12-18 | 珠海格力电器股份有限公司 | Motor end cover, motor and fan |
| CN111516860A (en) * | 2020-04-30 | 2020-08-11 | 中国直升机设计研究所 | Helicopter flight control system transmission mechanism with waterproof sealing function |
-
2010
- 2010-09-14 CN CN2010205374130U patent/CN201789359U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950585A (en) * | 2011-08-09 | 2013-03-06 | 株式会社牧田 | Hitting tool |
| CN102950585B (en) * | 2011-08-09 | 2015-04-01 | 株式会社牧田 | Hitting tool |
| CN102983647A (en) * | 2012-11-14 | 2013-03-20 | 江苏富丽华通用设备有限公司 | External rotor electric machine |
| WO2017067125A1 (en) * | 2015-10-22 | 2017-04-27 | 中山大洋电机股份有限公司 | Waterproof structure for external rotor motor |
| WO2018166144A1 (en) * | 2017-03-16 | 2018-09-20 | 中山大洋电机股份有限公司 | Waterproof structure of external rotor electric motor |
| CN107947431A (en) * | 2017-12-29 | 2018-04-20 | 杭州微光电子股份有限公司 | Waterproof structure for motor and outer rotor blower fan |
| CN109038916A (en) * | 2018-08-13 | 2018-12-18 | 珠海格力电器股份有限公司 | Motor end cover, motor and fan |
| CN111516860A (en) * | 2020-04-30 | 2020-08-11 | 中国直升机设计研究所 | Helicopter flight control system transmission mechanism with waterproof sealing function |
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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 |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |