CN1664393A - Bistable electromagnetic clutch - Google Patents

Bistable electromagnetic clutch Download PDF

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Publication number
CN1664393A
CN1664393A CN 200510009833 CN200510009833A CN1664393A CN 1664393 A CN1664393 A CN 1664393A CN 200510009833 CN200510009833 CN 200510009833 CN 200510009833 A CN200510009833 A CN 200510009833A CN 1664393 A CN1664393 A CN 1664393A
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China
Prior art keywords
hollow
tooth sector
pole
annular leading
leading pole
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CN 200510009833
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CN1321279C (en
Inventor
陆永平
李勇
邹继斌
刘彦彬
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Foshan Welling Washer Motor Manufacturing Co Ltd
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Individual
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  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

The invention relates to double stable state electromagnet clutch that belongs to clutch technology field. The invention could finish the clutch action accurately and quickly, and has the advantage of high efficiency, energy conservation, small volume, simple structure, low cost, low noise and not easy to be damaged.

Description

Bistable electromagnetic clutch
Technical field:
What the present invention relates to is the Clutch Technology field, specifically is a kind of bistable electromagnetic clutch.
Background technique:
What existing full-automatic impeller type washing machine adopted is that induction motor drives belt pulley and gear reduction.Its outstanding shortcoming is that noise is big, and efficient is low, and is difficult for realizing the washing of speed change multi-mode.For this reason, all be devoted to the research and development that a new generation directly drives automatic washing machine both at home and abroad, its main flow trend is to adopt brushless direct current motor directly to drive, and is equipped with corresponding dehydration washing switched system, develops so-called " quiet washing machine ".This washing machine has two key technologies, and the one, the direct speed-variable motor system of Qu Donging, the 2nd, finish the clutch system that washing-dewatering state switches.The deficiency that existing overrun adds the mechanical hatching gate structure is: agent structure adopts free wheel device to add the backguy motor, is not suitable for direct drive motor, complex structure, cost height, the problem that noise is big, precision is low.
Summary of the invention:
The purpose of this invention is to provide a kind of bistable electromagnetic clutch.The present invention can solve existing clutch configuration complexity, cost height, precision is low, noise is big, flimsy problem.It is made up of stationary housing 1, driven hollow rotating shaft 2, active turntable shaft 3, the moving rotor 4 of hollow clutch; Have cylindrical cavity 1-5 in the stationary housing 1, on the round wall of cylindrical cavity 1-5, stud with a circle E font conducting magnet core 1-1, be provided with coil 1-2 among the E font conducting magnet core 1-1, it is the fixed sectors gear 1-3 in axle center that the upper bottom surface of the cylindrical cavity 1-5 of stationary housing 1 is inlaid with axis hole 1-4; Have spline 2-1 on the outer round surface bottom of driven hollow rotating shaft 2, the channel opening direction of spline 2-1 and the shaft axis of driven hollow rotating shaft 2 are parallel to each other; Initiatively the upper-end surface of the rotating disk 3-2 of turntable shaft 3 is inlaid with initiatively tooth sector 3-1, and initiatively the axle center of tooth sector 3-1 coincides with the axle center of active turntable shaft 3; The axis hole 2-2 of driven hollow rotating shaft 2 and the rotating shaft 3-3 of active turntable shaft 3 are rotationally connected, the spline 2-1 that spline 4-6-1 on moving rotor 4 internal circular surfaces of hollow clutch is socketed in driven hollow rotating shaft 2 goes up and makes its axial sliding fit to connect, the axis hole 1-4 of stationary housing 1 and the top periphery of driven hollow rotating shaft 2 are rotationally connected, and the moving rotor 4 of hollow clutch is among the cylindrical cavity 1-5 of stationary housing 1.The present invention can accurately finish clutch action fast, have energy-efficient, volume is small and exquisite, simple in structure, low cost of manufacture, easy care, noise are little, the advantage that should not damage.It can be used for the automatic washing machine that the 5th generation directly drove.
Description of drawings:
Overall structure schematic representation when Fig. 1 is the top of the moving rotor 4 of the hollow core clutch of the present invention cylindrical cavity 1-5 that is in stationary housing 1, overall structure schematic representation when Fig. 2 is the bottom of the moving rotor 4 of the hollow core clutch of the present invention cylindrical cavity 1-5 that is in stationary housing 1, Fig. 3 is the A-A sectional view of Fig. 1, and Fig. 4 is the B-B sectional view of Fig. 2.
Embodiment:
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 present embodiment is described, it is made up of stationary housing 1, driven hollow rotating shaft 2, active turntable shaft 3, the moving rotor 4 of hollow clutch; Have cylindrical cavity 1-5 in the stationary housing 1, on the round wall of cylindrical cavity 1-5, stud with a circle E font conducting magnet core 1-1, the truncation surface of E font conducting magnet core 1-1 is the E font, its opening direction is inside, be provided with coil 1-2 among the E font conducting magnet core 1-1, it is the fixed sectors gear 1-3 in axle center that the upper bottom surface of the cylindrical cavity 1-5 of stationary housing 1 is inlaid with axis hole 1-4; Have spline 2-1 on the outer round surface bottom of driven hollow rotating shaft 2, the channel opening direction of spline 2-1 and the shaft axis of driven hollow rotating shaft 2 are parallel to each other; Initiatively the upper-end surface of the rotating disk 3-2 of turntable shaft 3 is inlaid with initiatively tooth sector 3-1, and initiatively the axle center of tooth sector 3-1 coincides with the axle center of active turntable shaft 3; The axis hole 2-2 of driven hollow rotating shaft 2 and the rotating shaft 3-3 of active turntable shaft 3 are rotationally connected, the spline 2-1 that spline 4-6-1 on moving rotor 4 internal circular surfaces of hollow clutch is socketed in driven hollow rotating shaft 2 goes up and makes its axial sliding fit to connect, the axis hole 1-4 of stationary housing 1 and the top periphery of driven hollow rotating shaft 2 are rotationally connected, and the moving rotor 4 of hollow clutch is among the cylindrical cavity 1-5 of stationary housing 1.Coil 1-2 in the stationary housing 1 is a dc coil.The moving rotor 4 of described hollow clutch is made up of the first annular leading pole 4-1, the second annular leading pole 4-2, last tooth sector 4-3, following tooth sector 4-4, annular permanent magnet 4-5, hollow moving rotor 4-6; The truncation surface of the first annular leading pole 4-1 is the L type, and the shape of the second annular leading pole 4-2 is identical with the shape inversion symmetry of the first annular leading pole 4-1; The upper-end surface edge of hollow moving rotor 4-6 is inlaid with tooth sector 4-3, the lower end surface edge of hollow moving rotor 4-6 is inlaid with down tooth sector 4-4, and the axle center of last tooth sector 4-3, the axle center of following tooth sector 4-4 and the axle center of hollow moving rotor 4-6 coincide; The channel opening direction of spline 4-6-1 and the shaft axis of hollow moving rotor 4-6 are parallel to each other; Have a ring recess 4-6-2 on the periphery of hollow moving rotor 4-6, the upper-end surface 4-6-3 of groove 4-6-2 connects the upper-end surface 4-1-1 of the first annular leading pole 4-1, the lower end surface of the first annular leading pole 4-1 connects the upper-end surface of annular permanent magnet 4-5, the upper-end surface of the second annular leading pole 4-2 connects the lower end surface of annular permanent magnet 4-5, the lower end surface 4-6-4 of the lower end surface 4-2-1 connecting groove 4-6-2 of the second annular leading pole 4-2; The periphery width of the periphery width of the first annular leading pole 4-1, the second annular leading pole 4-2 equates mutually that with the width of three magnetic pole strengths in E font conducting magnet core 1-1 inboard the outside disc of the first annular leading pole 4-1 equates mutually with the spacing of the outside disc of the second annular leading pole 4-2 and the spacing between inboard three magnetic pole strengths of E font conducting magnet core 1-1.When the moving rotor 4 of hollow clutch is in the top of cylindrical cavity 1-5 of stationary housing 1, the last tooth sector 4-3 of the moving rotor 4 of the fixed sectors gear 1-3 of its stationary housing 1 and hollow clutch is connected with a joggle, the active tooth sector 3-1 of its active turntable shaft 3 separates with the following tooth sector 4-4 of the moving rotor 4 of hollow clutch and is connected, and two magnetic pole strengths in inboard middle and upper part of the periphery of the periphery of its first annular leading pole 4-1, the second annular leading pole 4-2 and E font conducting magnet core 1-1 align; When the moving rotor 4 of hollow clutch is in the bottom of cylindrical cavity 1-5 of stationary housing 1, the following tooth sector 4-4 of the active tooth sector 3-1 of its active turntable shaft 3 and the moving rotor 4 of hollow clutch is connected with a joggle, the fixed sectors gear 1-3 of its stationary housing 1 separates with the last tooth sector 4-3 of the moving rotor 4 of hollow clutch and is connected, and two magnetic pole strengths in inboard middle and lower part of the periphery of the periphery of its first annular leading pole 4-1, the second annular leading pole 4-2 and E font conducting magnet core 1-1 align.Between the periphery of the inner headed face of E font conducting magnet core 1-1 and the periphery of the first annular leading pole 4-1, the second annular leading pole 4-2 air gap g is arranged; Air gap g is 0.5mm~1mm.The profile of tooth of the last tooth sector 4-3 of the profile of tooth of the active tooth sector 3-1 of the profile of tooth of the fixed sectors gear 1-3 of stationary housing 1, active turntable shaft 3, the moving rotor 4 of hollow clutch, the profile of tooth of following tooth sector 4-4 all are rectangle.The number of teeth of the last tooth sector 4-3 of the number of teeth of the active tooth sector 3-1 of the number of teeth of the fixed sectors gear 1-3 of stationary housing 1, active turntable shaft 3, the moving rotor 4 of hollow clutch, the number of teeth of following tooth sector 4-4 are the number of pole-pairs of drive motor or the integral multiple of number of pole-pairs.Working principle: owing to have annular permanent magnet 4-5 to exist in the moving rotor 4 of hollow clutch, to make the position of the moving rotor 4 of hollow clutch that two kinds of steady states be arranged, be a kind ofly to be: the moving rotor 4 of hollow clutch is in the top of the cylindrical cavity 1-5 of stationary housing 1, and the two poles of the earth up and down of annular permanent magnet 4-5 form magnetic loop by two magnetic pole strengths in inboard middle and upper part of the first annular leading pole 4-1, the second annular leading pole 4-2, E font conducting magnet core 1-1; Initiatively the active tooth sector 3-1 of turntable shaft 3 separates with the following tooth sector 4-4 of the moving rotor 4 of hollow clutch, the fixed sectors gear 1-3 engagement of the last tooth sector 4-3 of the moving rotor 4 of hollow clutch and stationary housing 1 makes the moving rotor 4 of hollow clutch maintain static moving with driven hollow rotating shaft 2.Another kind is: the moving rotor 4 of hollow clutch is in the bottom of the cylindrical cavity 1-5 of stationary housing 1, and the two poles of the earth up and down of annular permanent magnet 4-5 form magnetic loop by two magnetic pole strengths in inboard middle and lower part of the first annular leading pole 4-1, the second annular leading pole 4-2, E font conducting magnet core 1-1; The initiatively following tooth sector 4-4 engagement of the moving rotor 4 of the active tooth sector 3-1 of turntable shaft 3 and hollow clutch, the last tooth sector 4-3 of the moving rotor 4 of hollow clutch separates with the fixed sectors gear 1-3 of stationary housing 1, and initiatively turntable shaft 3 drives driven hollow rotating shaft 2 and rotates by active tooth sector 3-1, following tooth sector 4-4, the moving rotor 4 of hollow clutch, spline 4-6-1, spline 2-1.When being connected with direct current (d.c.) among the coil 1-2 among the E font conducting magnet core 1-1, will produce the opposing magnetic field, change the separated state that the aforementioned stable state makes it to control by the direction of conversion direct current (d.c.) this clutch.

Claims (10)

1, bistable electromagnetic clutch is characterized in that it is by stationary housing (1), driven hollow rotating shaft (2), initiatively turntable shaft (3), the moving rotor (4) of hollow clutch are formed; Have cylindrical cavity (1-5) in the stationary housing (1), on the round wall of cylindrical cavity (1-5), stud with a circle E font conducting magnet core (1-1), be provided with coil (1-2) in the E font conducting magnet core (1-1), it is the fixed sectors gear (1-3) in axle center that the upper bottom surface of the cylindrical cavity (1-5) of stationary housing (1) is inlaid with axis hole (1-4); Have spline (2-1) on the outer round surface bottom of driven hollow rotating shaft (2), the shaft axis of the channel opening direction of spline (2-1) and driven hollow rotating shaft (2) is parallel to each other; Initiatively the upper-end surface of the rotating disk (3-2) of turntable shaft (3) is inlaid with initiatively tooth sector (3-1), and initiatively the axle center of tooth sector (3-1) coincides with the axle center of active turntable shaft (3); The axis hole (2-2) of driven hollow rotating shaft (2) is rotationally connected with the rotating shaft (3-3) of active turntable shaft (3), hollow clutch is moved the spline (2-1) that spline (4-6-1) on rotor (4) internal circular surfaces is socketed in driven hollow rotating shaft (2) and is gone up and make its axial sliding fit to connect, the axis hole (1-4) of stationary housing (1) and the top periphery of driven hollow rotating shaft (2) are rotationally connected, and hollow clutch is moved in the cylindrical cavity (1-5) that rotor (4) is in stationary housing (1).
2, bistable electromagnetic clutch according to claim 1, it is characterized in that hollow clutch move rotor (4) by the first annular leading pole (4-1), the second annular leading pole (4-2), go up tooth sector (4-3), tooth sector (4-4), annular permanent magnet (4-5), hollow moving rotor (4-6) are formed down; The truncation surface of the first annular leading pole (4-1) is the L type, and the shape of the second annular leading pole (4-2) is identical with the shape inversion symmetry of the first annular leading pole (4-1); The upper-end surface edge of hollow moving rotor (4-6) is inlaid with tooth sector (4-3), the lower end surface edge of hollow moving rotor (4-6) is inlaid with down tooth sector (4-4), and the axle center of last tooth sector (4-3), the axle center of following tooth sector (4-4) and the axle center of hollow moving rotor (4-6) coincide; The shaft axis of the channel opening direction of spline (4-6-1) and hollow moving rotor (4-6) is parallel to each other; Have a ring recess (4-6-2) on the periphery of hollow moving rotor (4-6), the upper-end surface (4-6-3) of groove (4-6-2) connects the upper-end surface (4-1-1) of the first annular leading pole (4-1), the lower end surface of the first annular leading pole (4-1) connects the upper-end surface of annular permanent magnet (4-5), the upper-end surface of the second annular leading pole (4-2) connects the lower end surface of annular permanent magnet (4-5), the lower end surface (4-6-4) of lower end surface (4-2-1) connecting groove (4-6-2) of the second annular leading pole (4-2); The periphery width of the periphery width of the first annular leading pole (4-1), the second annular leading pole (4-2) equates mutually that with the width of three magnetic pole strengths in E font conducting magnet core (1-1) inboard the outside disc of the first annular leading pole (4-1) equates mutually with the spacing of the outside disc of the second annular leading pole (4-2) and the spacing between inboard three magnetic pole strengths of E font conducting magnet core (1-1).
3, bistable electromagnetic clutch according to claim 1 is characterized in that the coil (1-2) in the stationary housing (1) is a dc coil.
4, bistable electromagnetic clutch according to claim 1 and 2, when it is characterized in that hollow clutch is moved rotor (4) and is in the top of cylindrical cavity (1-5) of stationary housing (1), the fixed sectors gear (1-3) of its stationary housing (1) is connected with a joggle with the last tooth sector (4-3) of the moving rotor (4) of hollow clutch, the active tooth sector (3-1) of its active turntable shaft (3) separates with the following tooth sector (4-4) of the moving rotor (4) of hollow clutch and is connected the periphery of its first annular leading pole (4-1), two magnetic pole strengths in the inboard middle and upper part of the periphery of the second annular leading pole (4-2) and E font conducting magnet core (1-1) align; When the moving rotor (4) of hollow clutch is in the bottom of cylindrical cavity (1-5) of stationary housing (1), the active tooth sector (3-1) of its active turntable shaft (3) is connected with a joggle with the following tooth sector (4-4) of the moving rotor (4) of hollow clutch, the fixed sectors gear (1-3) of its stationary housing (1) separates with the last tooth sector (4-3) of the moving rotor (4) of hollow clutch and is connected, and two magnetic pole strengths in inboard middle and lower part of the periphery of the periphery of its first annular leading pole (4-1), the second annular leading pole (4-2) and E font conducting magnet core (1-1) align.
5, bistable electromagnetic clutch according to claim 1 and 2 is characterized in that between the periphery of periphery, the second annular leading pole (4-2) of the inner headed face of E font conducting magnet core (1-1) and the first annular leading pole (4-1) air gap (g) being arranged.
6, bistable electromagnetic clutch according to claim 5 is characterized in that air gap (g) is 0.5mm~1mm.
7, bistable electromagnetic clutch according to claim 1 is characterized in that the profile of tooth of the fixed sectors gear (1-3) of stationary housing (1), initiatively the profile of tooth of the active tooth sector (3-1) of turntable shaft (3) all is a rectangle.
8, bistable electromagnetic clutch according to claim 2 is characterized in that the profile of tooth of the last tooth sector (4-3) of rotor (4) is moved in hollow clutch, the profile of tooth of tooth sector (4-4) all is a rectangle down.
9, bistable electromagnetic clutch according to claim 1 is characterized in that the number of teeth of the fixed sectors gear (1-3) of stationary housing (1), initiatively the number of teeth of the active tooth sector (3-1) of turntable shaft (3) is the number of pole-pairs of drive motor or the integral multiple of number of pole-pairs.
10, bistable electromagnetic clutch according to claim 2 is characterized in that the number of teeth of the last tooth sector (4-3) of rotor (4) is moved in hollow clutch, the number of teeth of tooth sector (4-4) is the number of pole-pairs of drive motor or the integral multiple of number of pole-pairs down.
CNB2005100098335A 2005-03-18 2005-03-18 Bistable electromagnetic clutch Active CN1321279C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100098335A CN1321279C (en) 2005-03-18 2005-03-18 Bistable electromagnetic clutch

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Application Number Priority Date Filing Date Title
CNB2005100098335A CN1321279C (en) 2005-03-18 2005-03-18 Bistable electromagnetic clutch

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CN1664393A true CN1664393A (en) 2005-09-07
CN1321279C CN1321279C (en) 2007-06-13

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606644A (en) * 2012-03-30 2012-07-25 王兆宇 Oppositely-arranged iron cores and manufacture method thereof
CN102606275A (en) * 2012-03-30 2012-07-25 王兆宇 Electromagnetic fan clutch with opposite iron cores
CN103148120A (en) * 2013-03-22 2013-06-12 哈尔滨工业大学 High efficiency bistable electromagnetic clutch
CN103486153A (en) * 2012-06-07 2014-01-01 株式会社捷太格特 Driving force transmission apparatus
US9534642B2 (en) 2012-03-30 2017-01-03 Zhaoyu Wang Opposed iron core, manufacturing method thereof, and electromagnetic fan clutch using opposite iron core
CN109149905A (en) * 2018-08-13 2019-01-04 安徽金石拓机械有限公司 A kind of overload protector
WO2019061417A1 (en) * 2017-09-30 2019-04-04 深圳市艾莱茵科技有限公司 Electromagnetic clutch and gearbox

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US10113260B2 (en) * 2015-07-27 2018-10-30 Whirlpool Corporation Laundry treating appliance

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US5802915A (en) * 1996-05-23 1998-09-08 Eaton Corporation Transmission shifting mechanism with ball ramp actuator
JP2002210288A (en) * 2001-01-12 2002-07-30 Hitachi Ltd Fully automatic washing machine
KR100393802B1 (en) * 2001-06-27 2003-08-02 엘지전자 주식회사 Repulsion clutch apparatus for washing machine
JP3669297B2 (en) * 2001-07-11 2005-07-06 松下電器産業株式会社 Washing machine
CN2658196Y (en) * 2003-09-27 2004-11-24 王国华 Clutch special for washer

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606644A (en) * 2012-03-30 2012-07-25 王兆宇 Oppositely-arranged iron cores and manufacture method thereof
CN102606275A (en) * 2012-03-30 2012-07-25 王兆宇 Electromagnetic fan clutch with opposite iron cores
CN102606644B (en) * 2012-03-30 2014-12-03 王兆宇 Oppositely-arranged iron cores and manufacture method thereof
CN102606275B (en) * 2012-03-30 2014-12-03 王兆宇 Electromagnetic fan clutch with opposite iron cores
US9534642B2 (en) 2012-03-30 2017-01-03 Zhaoyu Wang Opposed iron core, manufacturing method thereof, and electromagnetic fan clutch using opposite iron core
CN103486153A (en) * 2012-06-07 2014-01-01 株式会社捷太格特 Driving force transmission apparatus
CN103486153B (en) * 2012-06-07 2017-05-31 株式会社捷太格特 Driving force transmission equipment
CN103148120A (en) * 2013-03-22 2013-06-12 哈尔滨工业大学 High efficiency bistable electromagnetic clutch
CN103148120B (en) * 2013-03-22 2015-09-09 哈尔滨工业大学 A kind of high efficiency bistable electromagnetic clutch
WO2019061417A1 (en) * 2017-09-30 2019-04-04 深圳市艾莱茵科技有限公司 Electromagnetic clutch and gearbox
CN109149905A (en) * 2018-08-13 2019-01-04 安徽金石拓机械有限公司 A kind of overload protector

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