CN1563742A

CN1563742A - Planetary gear train single input/double output reduction clutch

Info

Publication number: CN1563742A
Application number: CN 200410017835
Authority: CN
Inventors: 黄晓勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-04-19
Filing date: 2004-04-19
Publication date: 2005-01-12

Abstract

The decelerating clutch is composed of input and output axis, the dehydrating axis and the shell. On the stage 1 transmitting support bracket of the rotary arm, the stage 1 left and righ ttransmitting gears are sleeved on. On the stage II transmitting support bracket, the stage II left and right gears combine the connective gear, the stage I right gear is intermeshed with the stage two left gear, the stage two gear is intermeshed with the stage I right gear. The input and output axis rotate axially with the rotary arm. The rotary arm and the transmitting gears combine the planetary system.

Description

Planetary gear train list input dual output speed-reducing clutch

Technical field

The present invention relates to clutch, especially relate to a kind of planetary gear train list input dual output speed-reducing clutch in automatic washing machine field.

Background technique

What the new automatic double dynamical rotary drum washing machine of up-to-date release adopted on the Domestic market at present is from the single dual output speed-reducing clutch of importing of the parallel axes train of Korea S's import, the single input of parallel axes train dual output speed-reducing clutch only needs single input torque just can reach the purpose of dual output torque, thereby make interlock of impeller and dehydration barrel and switched in opposite, make washing clothes can not precipitate, twine, not easy to wear, wash totallyer.But it exist each member the machining accuracy height, the processing technology difficulty is big, cost is high, the gear ratio mobility scale is narrow, the degrees of freedom can regulate drive gap is little and the general assembly of speed-reducing clutch and debug shortcomings such as loaded down with trivial details, complexity.

Summary of the invention

The object of the present invention is to provide a kind of planetary gear train list input dual output speed-reducing clutch, its all most of die castings and mouldings of adopting of driving parts have that processing technology is simple, cost is low, the gear ratio mobility scale is wide, the degrees of freedom can regulate drive gap is bigger, can be by carrying out general assembly again behind the first assembling and setting individual components of driving parts, having simple advantage easy to assembly.

The object of the present invention is achieved like this: the present invention includes input shaft, output shaft, dehydrating shaft, brake arm, pawl arm, ratchet, belt pulley, the input shaft shell, core shell and the output shaft shell used as brake hub, belt pulley is by the left end of spline package at input shaft, motor is connected with belt pulley by belt, ratchet and Fang Si spring all are sleeved on the outer wall of input shaft shell, right-hand member at output shaft is fixed with impeller, right-hand member at dehydrating shaft is fixed with dehydration barrel, feature is that the right-hand member at input shaft is processed with the input shaft external gear, on the one-level transmission bracket of columnar spiral arm support body, be set with the one-level transmission left gear and the one-level transmission right gear that connect and constitute cluster gear by pin key, on the secondary transmission bracket, be set with the secondary transmission left gear and the secondary transmission right gear that connect and constitute cluster gear by pin key, input shaft external gear and the engagement of one-level transmission left gear, the left end of one-level transmission right gear and the engagement of secondary transmission left gear, the output shaft external gear is by the left end of screw at output shaft, and secondary transmission right gear and output shaft external gear mesh; Inwall at core shell is equipped with the ring gear that connects by spline, the right-hand member engagement of ring gear and one-level transmission right gear; The right-hand member of dehydrating shaft is connected with the spiral arm support body by spline and is fixed together.

The present invention includes input shaft, output shaft, dehydrating shaft, brake arm, pawl arm, ratchet, belt pulley, the input shaft shell, core shell and the output shaft shell used as brake hub, the spiral arm support body is installed in core shell, on the one-level transmission bracket of spiral arm support body, be set with the one-level transmission left gear and the one-level transmission right gear that connect and constitute cluster gear by pin key, on the secondary transmission bracket, be set with the secondary transmission left gear and the secondary transmission right gear that connect and constitute cluster gear by pin key, the ring gear that connects by spline be installed at the inwall of core shell.The present invention constitutes movement by input shaft, output shaft, dehydrating shaft, spiral arm support body, one-level transmission left gear, one-level transmission right gear, secondary transmission left gear, secondary transmission right gear, ring gear, input shaft shell, core shell and output shaft shell.Input shaft rotates under the drive of motor, and input shaft drives output shaft and rotates by the one-level transmission left gear on the spiral arm support body, one-level transmission right gear, secondary transmission left gear, secondary transmission right gear, and input shaft and output shaft are to rotate with one heart.Because of the ring gear that is positioned in the core shell can not rotate, thereby force the spiral arm support body to rotate around the input shaft axle center, so one-level transmission left gear, one-level transmission right gear, secondary transmission left gear, secondary transmission right gear that the spiral arm support body drives on the spiral arm support body rotate around the axle center, by spline rotation is passed to dehydrating shaft, drive dehydrating shaft through differential speed change and rotate, constitute Gear Planet Transmission.Motor is single input for movement, and output shaft drives the impeller rotation, and the spiral arm support body drives the dehydration barrel backward rotation, and the rotating speed of impeller is different with the rotating speed of dehydration barrel, thereby is single input dual output speed-reducing clutch.The present invention has compared following advantage with the single input of parallel axes train dual output speed-reducing clutch: 1, whole train of gearings has whole parts of one's own, do not get in touch with input shaft shell, core shell and output shaft shell generation transmission, all adopt die castings and moulding, do not need cutting, whole train of gearings and input shaft shell, core shell and output shaft shell form individual components mutual noninterference separately, processing technology is simple, and difficulty is little, and cost is low; 2, the gear ratio mobility scale is wide, can satisfy the requirement of speed-reducing clutch needs big speed ratio.3, because each part is dressed up individual components certainly, there is the degrees of freedom of can regulate drive gap bigger with input shaft and output shaft, therefore both the transmission noise can be reduced, the machining accuracy of input shaft, output shaft, input shaft shell, core shell and output shaft shell parts such as (dehydrating shafts) can be suitably allowed to reduce again; 4, each driving parts carries out general assembly after can first independent assembling and setting becoming parts again, reduces loaded down with trivial details assembly process and debugging method, and is not only convenient for assembly but also help regulating test.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 looks schematic representation for the left side of Fig. 1;

The core structure schematic representation of Fig. 3 for amplifying;

Fig. 4 is the planetary gear train structural representation that amplifies in the movement;

Fig. 5 is the left view of Fig. 4.

Embodiment

Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.

The present invention includes input shaft 2, output shaft 9, dehydrating shaft 10, brake arm 5, pawl arm 4, ratchet 11,12, belt pulley 1, input shaft shell 3, core shell 6 and the output shaft shell 8 used as brake hub, belt pulley 1 is by the left end of spline package at input shaft 2, motor is connected with belt pulley 1 by belt, ratchet 11,12 and Fang Si spring 13 all be sleeved on the outer wall of input shaft shell 3, right-hand member at output shaft 9 is fixed with impeller, right-hand member at dehydrating shaft 10 is fixed with dehydration barrel, right-hand member at input shaft 2 is processed with input shaft external gear 15, on the one-level transmission bracket 17 of columnar spiral arm support body 7, be set with the one-level transmission left gear 16 and the one-level transmission right gear 18 that connect and constitute cluster gear by pin key, on secondary transmission bracket 23, be set with the secondary transmission left gear 24 and the secondary transmission right gear 20 that connect and constitute cluster gear by pin key, input shaft external gear 15 and 16 engagements of one-level transmission left gear, the left end of one-level transmission right gear 18 and 24 engagements of secondary transmission left gear, output shaft external gear 21 is fixed on the left end of output shaft 9 by screw 22, secondary transmission right gear 20 and 21 engagements of output shaft external gear; Inwall at core shell 6 is equipped with the ring gear 19 that connects by spline, and ring gear 19 meshes with the right-hand member of one-level transmission right gear 18; The right-hand member of dehydrating shaft 10 is connected with spiral arm support body 7 by spline and is fixed together.

Being processed with one-level transmission bracket 17 and two covers that two covers are symmetric points with the axle center on spiral arm support body 7 is the secondary transmission bracket 23 of symmetric points with the axle center, on two cover one-level transmission bracket 17, all be set with one-level transmission left gear 16 and the one-level transmission right gear 18 that connects and constitute cluster gear by pin key, on two cover secondary transmission bracket 23, all be set with secondary transmission left gear 24 and the secondary transmission right gear 20 that connects and constitute cluster gear by pin key.

Motor slows down by belt pulley 1 with the output of n1 rotating speed, makes the rotating speed of input shaft 2 reach n2, and one-level transmission left gear 16 engagements of suit form one-level and slow down on the one-level transmission bracket 17 of input shaft external gear 15 and spiral arm support body 7; The left end of the one-level transmission right gear 18 on the spiral

arm support body

7 and 24 engagements of secondary transmission left gear form double reduction; Secondary transmission right gear 20 and 21 engagements of output shaft external gear form three grades of decelerations, make the rotating speed of output shaft 9 reach n3.Because the right-hand member of the one-level transmission right gear 18 of suit and ring gear 19 engagements on the one-level transmission bracket 17 of spiral arm support body 7, ring gear 19 is motionless in core shell 6 inwalls location by spline, then spiral arm support body 7 must make whole spiral arm support body 7 rotate together with the axle center of cluster gear around input shaft 2 along with the rotation of one-level transmission left gear 16 and one-level transmission right gear 18, and its rotating speed is n4.

Output shaft 9 is connected with impeller, and dehydrating shaft 10 connected dehydration barrels link together by spline and spiral arm support body 7, and output shaft 9 constitutes two moving with dehydrating shaft 10, and rotation speed n 3 is different with n4, and direction is opposite.

Working principle:

1, starts: opening power, motor drives input shaft 2 rotations by belt pulley 1, one-level transmission left gear 16 and one-level transmission right gear 18 on the one-level transmission bracket 17 of input shaft external gear 15 drive spiral arm support bodys 7 rotate together, one-level transmission right gear 18 drives secondary transmission left gear 24 and secondary transmission right gear 20 rotates simultaneously, secondary transmission right gear 20 drives output shaft external gear 21 again and rotates, and output shaft 9 is rotated; Because it is motionless that ring gear 19 is positioned core shell 6 inwalls, and the right-hand member of one-level transmission right gear 18 and ring gear 19 engagements, then ring gear 19 forces spiral arm support body 7 rotate around the axle center of input shaft 2, and the spiral arm support body 7 of rotation drives dehydrating shaft 11 backward rotation by spline.

2, clutch: washing machine microcomputerized control traction electric machine, after rinsing program is finished, traction electric machine pulling brake arm 5 rotates, open brake strap, make brake strap no longer hold core shell 6 tightly, when brake arm 5 rotates, drive pawl arm 4 and rotate, make to break away from ratchets 11 and 12 with the conjuncted ratchet 14 of pawl arm 4, the side's silk spring 13 that controlled by ratchet 12 sets back and holds input shaft shell 3 tightly, finishes clutch state.This moment, motor drove input shaft 2 together with 3 rotations of input shaft shell by belt pulley 1, made all high speed rotating of whole movement, finished dehydration procedure.

3, braking: close motor, the traction electric machine of washing machine also sets back, brake arm 5 is decontroled, brake strap is held core shell 6 again tightly under the effect of brake arm torsion spring, brake arm 5 sets back and drives pawl arm 4 rotations simultaneously, and conjuncted ratchet 14 blocks ratchet 11,12 and stirs its rotation on the pawl arm 4, the side's of opening silk spring 13, make whole speed-reducing clutch set back, stop operating.

Claims

1, a kind of planetary gear train list input dual output speed-reducing clutch, comprise input shaft (2), output shaft (9), dehydrating shaft (10), brake arm (5), pawl arm (4), ratchet (11,12), belt pulley (1), input shaft shell (3), core shell (6) and the output shaft shell (8) used as brake hub, belt pulley (1) is by the left end of spline package in input shaft (2), motor is connected with belt pulley (1) by belt, ratchet (11,12) and side silk spring (13) all be sleeved on the outer wall of input shaft shell (3), right-hand member at output shaft (9) is fixed with impeller, right-hand member at dehydrating shaft (10) is fixed with dehydration barrel, it is characterized in that: the right-hand member at input shaft (2) is processed with input shaft external gear (15), on the one-level transmission bracket (17) of columnar spiral arm support body (7), be set with the one-level transmission left gear (16) and the one-level transmission right gear (18) that connect and constitute cluster gear by pin key, on secondary transmission bracket (23), be set with the secondary transmission left gear (24) and the secondary transmission right gear (20) that connect and constitute cluster gear by pin key, input shaft external gear (15) and one-level transmission left gear (16) engagement, the left end of one-level transmission right gear (18) and secondary transmission left gear (24) engagement, output shaft external gear (21) is fixed on the left end of output shaft (9) by screw (22), secondary transmission right gear (20) and output shaft external gear (21) engagement; Inwall at core shell (6) is equipped with the ring gear (19) that connects by spline, and ring gear (19) meshes with the right-hand member of one-level transmission right gear (18); The right-hand member of dehydrating shaft (10) is connected with spiral arm support body (7) by spline and is fixed together.

2, planetary gear train list input dual output speed-reducing clutch as claimed in claim 1, it is characterized in that: being processed with one-level transmission bracket (17) and two covers that two covers are symmetric points with the axle center on spiral arm support body (7) is the secondary transmission bracket (23) of symmetric points with the axle center, on two cover one-level transmission bracket (17), all be set with one-level transmission left gear (16) and the one-level transmission right gear (18) that connects and constitute cluster gear by pin key, on two cover secondary transmission bracket (23), all be set with secondary transmission left gear (24) and the secondary transmission right gear (20) that connects and constitute cluster gear by pin key.