CN105274783B - A kind of arrangement of clutch and speed-reducing clutch of speed-reducing clutch - Google Patents
A kind of arrangement of clutch and speed-reducing clutch of speed-reducing clutch Download PDFInfo
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- CN105274783B CN105274783B CN201410306302.1A CN201410306302A CN105274783B CN 105274783 B CN105274783 B CN 105274783B CN 201410306302 A CN201410306302 A CN 201410306302A CN 105274783 B CN105274783 B CN 105274783B
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Abstract
The present invention relates to a kind of arrangement of clutch of speed-reducing clutch and speed-reducing clutch, the arrangement of clutch includes driving motor, driving wheel, yoke bar and clutch axle sleeve, driving wheel constitutes the supporting surface of support yoke bar one end, the other end of yoke bar is contacted with clutch axle sleeve limit, the supporting surface that driving wheel is constituted is equipped with a difference in height, driving wheel, through difference in height control yoke bar movement, is moved up and down in drive motor shaft rotary course with driving clutch axle sleeve to generate；The lower spline tooth that the upper and lower ends of clutch axle sleeve are respectively equipped with the upper spline tooth engaged with upper fixed disk and engage with lower dehydration plate, in at upper and lower two spline tooth at least one at be equipped with provide engagement cushion effect damping device, the left/right side of the upper spline tooth be inclined-plane, lower spline tooth right/left side be inclined-plane.By the way that the tooth top of spline tooth is set as inclined-plane, so that clutch axle sleeve steady along inclined-plane, quick can slide into the matching spline tooth socket being arranged on upper mounted plate or lower dewatering plate in spline tooth engagement process.
Description
Technical field
The present invention relates to a kind of clutch of a kind of speed-reducing clutch in washing machine field more particularly to speed-reducing clutch dresses
It sets.
Background technique
The speed-reducing clutch of existing washing machine is mounted side by side with single-phase asynchronous motor, is driven by belt pulley and belt.It should
The low efficiency of class speed-reducing clutch, noise is big, and practicability is poor, and running part failure rate is higher, thus related technical staff
Propose the technical solution of motor and clutch coaxial.
Such as application No. is the Chinese patent of CN201120257375.8, a kind of bionic hand rubbing of washing machine frequency conversion speed-down clutches
Device comprising matching holds shell and input shaft, and lower case is equipped with DC. brushless electric machine stator, the end connection of input shaft
There is DC brushless motor outer rotor, DC. brushless electric machine stator is located in the inner cavity of DC brushless motor outer rotor, and input shaft is matched
Equipped with the slip clutch mechanism being made of axle sleeve, clutch shaft, clutch slider and reset spring；Axle sleeve is sleeved on input shaft, from
Sympodium is located above axle sleeve turning set on input shaft, and axle sleeve and clutch shaft are formed with periphery spline, what clutch slider was formed with
The periphery spline slide that inner circumferential is oriented to spline and axle sleeve and clutch shaft is matched, and the annulus that reset spring is press-fitted to clutch slider is convex
On platform, and clutch slider is connected with clutch control mechanism.
Existing clutch axle sleeve is cooperatively to control it with clutch spring by shift fork to move up and down, and shift fork is to pass through rotation
Pin is directly installed on the lower case of speed-reducing clutch, to realize the control to clutch axle sleeve.Mostly in the prior art is using driving
Motor is drawn by the one end of rope to shift fork, and other end control clutch axle sleeve or clutch slider move up and down, still
The method rate of precision that above-mentioned control clutch axle sleeve moves up and down is low, high failure rate, and occupied space is larger.
Meanwhile spline tooth is respectively set in the upper and lower ends of existing clutch axle sleeve, to be engaged with upper fixed disk and lower dehydration
Matching spline tooth on disk is meshed engagement, to realize the switching of the washing state dewatering state of speed-reducing clutch.But in flower
In key teeth engagement process, the case where there are spline tooth and matching spline tooth mutual dislocations so that spline between cog can not quickly, it is accurate
Engagement, cause the clutch transmission of speed-reducing clutch unstable.
Given this present invention is proposed.
Summary of the invention
It is an object of the present invention to overcome the deficiencies of the prior art and provide a kind of arrangement of clutch, with realize clutch transmission it is smooth,
The purpose of stable drive.
In order to realize the purpose, it the present invention adopts the following technical scheme: a kind of arrangement of clutch of speed-reducing clutch, including drives
Dynamic motor 1, driving wheel 2, yoke bar 3 and clutch axle sleeve 14, driving wheel 2 are directly installed in drive motor shaft, 2 circumference of driving wheel
Equipped with supporting surface, supporting surface has difference in height in the axial direction, and yoke bar 3 is lever construction, and middle part is equipped with fixed pivot, yoke bar 3
Head is shift fork 6, controls moving up and down for clutch axle sleeve 14 together with reset spring 41, and 3 tail portion of yoke bar is driving end 7, is driven
Moved end 7 is equipped with sliding contact surface and supports on the support surface, and driving motor 1 drives driving wheel 2 to rotate, and 3 tail portion of yoke bar drives end 7
Sliding contact surface opposite sliding, tail portion drive 7 height change of end on the support surface, drive shift fork club head shift fork 6 highly to become
Change, head shift fork 6 and reset spring 41 act on drive moving up and down for clutch axle sleeve 14 together；Above and below the clutch axle sleeve 14
The lower spline tooth 49 that both ends are respectively equipped with the upper spline tooth 48 engaged with upper fixed disk and engage with lower dehydration plate, the upper flower
The left/right side of key teeth 48 be inclined-plane, lower spline tooth 49 right/left side be inclined-plane.
Further, the inclined-plane inclined direction of upper spline tooth 48 and the inclined-plane inclined direction of lower spline tooth 49 are reversed；
Preferably, the degree of the bevel inclination angle α, α of upper spline tooth 48 and lower spline tooth 49 are 0 to 10 degree；
It is further preferred that the inclined-plane upper and lower ends of upper spline tooth 48 and lower spline tooth 49 are respectively equipped with circular arc chamfering.
Further, all inclined-planes in top of the upper spline tooth 48 and lower spline tooth 49.
Further, the left/right side at 48 top of upper spline tooth is inclined-plane, right/left side is plane；The lower spline tooth 49
The right/left side at top is inclined-plane, left/right side is plane.
Further, the driving motor 1 is fixedly mounted on the shell 13 of speed-reducing clutch；Preferably, the drive
Dynamic motor 1 is fixedly mounted in the inner space in mounting cup 35, and the mounting cup 35 is fixedly mounted on the side wall of shell 13
On, the motor shaft vertical of driving motor 1 is pierced by the upper surface of mounting cup 35, and the traversing through end of motor shaft is equipped with common with motor shaft
The driving wheel 2 of rotation.
Further, the driving wheel 2 includes a cylindrical body, and cylindrical body at least partly periphery extends radially outward
The protrusion 5 of an arc is formed, an axial surface of protrusion 5 is supporting surface, and the supporting surface includes along the circumferential direction suitable
Inclined First Transition face 8, highest supporting surface 9 and the second transition face 10 with 8 reversed dip of First Transition face of secondary connection.
Further, the end face at 3 tail portion of yoke bar driving end 7 is an arc groove 11, and 3 tail portion of yoke bar drives end
The support face contact of one top surface of 7 arc grooves 11 or bottom surface and driving wheel 2, the contact surface include along the circumferential direction being sequentially connected with
Inclined third transition face 19, highest contact surface 20 and the 4th transition face 21 with 19 reversed dip of third transition face.
Another object of the present invention is to provide a kind of speed-reducing clutch, including slide up and down clutch axle sleeve, lower dehydration
Disk and upper fixed disk, as above any clutch axle sleeve 14 is mounted in the input axle sleeve 16 of speed-reducing clutch, clutch axle sleeve
14 opposite input axle sleeves 16 are slided up and down to engage connection with upper fixed disk or lower dehydration plate respectively, realize washing and dehydration condition
Conversion；Upper fixed disk/lower dehydration plate is equipped with the upper matching spline tooth 50/ being meshed with the lower spline tooth 49 of upper spline tooth 48/
Lower matching spline tooth 51, the right/left side of the upper matching spline tooth 50 be inclined-plane, lower matching spline tooth 51 left/right side be
Inclined-plane.
Further, the upper fixed disk is constituted by one of speed-reducing clutch shell 13, or is slowed down by being fixedly mounted on
Fixation bracket 12 on clutch is constituted；The lower dehydration plate is made of a part of speed-reducing clutch rotor 17, or
It is made of the dehydration axle sleeve 32 being fixedly mounted on rotor 17；Preferably, the upper fixed disk is by fixing 12 structure of bracket
At fixed bracket is fixedly mounted on the lower surface of shell 13, and the lower surface of fixed bracket 12 is equipped with upper matching spline tooth 50；It is described
Lower dehydration plate is made of dehydration axle sleeve 32, and dehydration axle sleeve 32 is connected through spline to be connected with rotor 17, make to be dehydrated axle sleeve 32 with turn
Son 17 rotates jointly, and the upper surface of the dehydration axle sleeve 32 is equipped with lower matching spline tooth 51.
Further, the inclined-plane inclined direction of the upper matching spline tooth 50 and the inclined-plane inclined direction of upper spline tooth 48 are in the same direction
Setting；The inclined-plane inclined direction and the inclined-plane inclined direction of lower spline tooth 49 of the lower matching spline tooth 51 are arranged in the same direction；It is preferred that
, the bevel inclination angle of the upper matching spline tooth 50 is equal with the bevel inclination angle of upper spline tooth 48；The lower cooperation
The bevel inclination angle of spline tooth 51 is equal with the bevel inclination angle of lower spline tooth 49.
Further, speed-reducing clutch is there are the following two kinds working condition,
First operating condition, the non-highest supporting surface of driving wheel are in contact with the non-highest contact surface of shift fork, and shift fork drives clutch
Axle sleeve upward sliding, clutch axle sleeve are meshed with upper fixed disk, and speed-reducing clutch is in washing operating condition；
Second operating condition, the highest supporting surface of driving wheel are in contact with the highest contact surface of shift fork, and shift fork drives clutch axle sleeve
Slide downward, clutch axle sleeve are meshed with lower dehydration plate, and speed-reducing clutch is in dehydration condition.
Further, the driving wheel is mounted in the rotary shaft of driving motor, the shift fork can relative rotation installation
On the shell, the driving wheel periphery constitute for shift fork first end support contact supporting surface, the second end of shift fork with
Clutch axle sleeve limits contact, and the supporting surface of the driving wheel is equipped with a difference in height, drive shift fork to rotate after rotating driving wheel,
It stirs clutch axle sleeve to slide up and down, realizes the switching between the washing state of speed-reducing clutch and dewatering state, reach washing machine
The purpose of washing and dehydration condition conversion.
After technical solutions according to the invention, bring it is following the utility model has the advantages that
1, by the way that the tooth top of spline tooth is set as inclined-plane, so that clutch axle sleeve can be in control structure during tooth engagement
Under the action of, in the tooth socket for sliding into the matching spline tooth being arranged on upper mounted plate or lower dewatering plate steady along inclined-plane, quick, with
Realize fixed engagement.
2, the present invention drives shift fork using driving wheel, and the length of shift fork shortens, and structure is more compact, occupied space
It is smaller.
3, driving wheel supporting surface of the present invention is contacted with shift fork drives shift fork, and reliable for operation, failure rate is low.
4, the movement of shift fork can be realized in the rotation that the present invention only controls driving wheel, and structure is simple.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 and Fig. 2: speed-reducing clutch structural schematic diagram of the present invention；
Fig. 3 and Fig. 4: speed-reducing clutch assembly structure diagram of the present invention；
Fig. 5: speed-reducing clutch clutch part structural schematic diagram of the present invention；
Fig. 6: speed-reducing clutch clutch part explosive view of the present invention；
Fig. 7: driving wheel structure schematic diagram of the present invention；
Fig. 8: the partial structure diagram of speed-reducing clutch of the present invention；
Fig. 9: the cross-sectional configuration schematic diagram of clutch axle sleeve of the present invention；
Wherein: 1, driving motor, 2, driving wheel, 3, yoke bar, 4, cylindrical body, 5, protrusion, 6, shift fork, 7, driving
End, 8, First Transition face, 9, highest supporting surface, the 10, second transition face, 11, arc groove, 12, fixed bracket, 13, shell, 14,
Clutch axle sleeve, 15, input shaft, 16, input axle sleeve, 17, rotor, 18, stator, 19, third transition face, 20, highest contact surface,
21, the 4th transition face, 30, output shaft, 31, output sleeve, 32, dehydration axle sleeve, 34, shock-absorbing sleeve, 35, mounting cup, 36, deceleration
Case, 37, upper housing, 38, lower case, 39, mounting plate, 40, reduction torsion spring, 41, reset spring, 42, dismountable side wall, 43,
Reinforcing rib, 44, mounting hole, 45, positioning flange, 46, installation flange, 47, boss, 48, upper spline tooth, 49, lower spline tooth, 50,
Upper matching spline tooth, 51, lower matching spline tooth.
Specific embodiment
As shown in Figure 1 to 9, invention describes a kind of speed-reducing clutch of washing machine, the speed-reducing clutch includes:
It is fastened and connected upper housing 37 together and lower case 38 constitutes shell 13, the shell 13 is mounted on the installation of speed-reducing clutch
On plate 39, the mounting plate 39 is connected with outer barrel of washing machine bottom.The speed-reducing clutch further include: be pierced by upper housing 37
The output shaft 30 and output sleeve 31 of upper surface, the output sleeve 31 can be set in the relative rotation on output shaft 30.It is defeated
Shaft 30 is impeller shafts, is connected with the impeller of washing machine, output sleeve 31 is connected with the interior bucket of washing machine.The output shaft
30 or reduction gearbox 36 of the lower end through being arranged inside shell 13 of output sleeve 31 be connected with input shaft 15 or input axle sleeve 16.Institute
13 lower part of shell for stating speed-reducing clutch is equipped with the external rotor electric machine being made of rotor 17 and stator 18, the external rotor electric machine
It is fixedly mounted on shell 13.What the input shaft 15 was fixedly connected by being dehydrated axle sleeve 32 with 17 phase of rotor of motor；It is defeated
Enter be set with outside axis 15 can relative rotation input axle sleeve 16, be set in input axle sleeve 16 can axially slide relative, can not phase
To the clutch axle sleeve 14 to rotate in a circumferential direction.Under the action of clutch driving unit, drive clutch axle sleeve 14 slides up and down and dehydrating shaft
Set 32 or rotor 17 are meshed or are detached from, so that input axle sleeve 16 is rotated jointly with input shaft 15 or do not rotated, to realize
Switching of the washing machine between dewatering state and washing state.
As shown in Figure 2 and Figure 9, in the present invention, it is provided with internal spline on 14 inner wall of clutch axle sleeve, with 16 outer wall of input axle sleeve
On the external splines that sets constitute the spline connection that can be axially slid relative, opposite can not rotate in a circumferential direction.The clutch axle sleeve 14
Both ends are respectively equipped with spline tooth, and clutch axle sleeve 14 moves down in the axial direction of input axle sleeve 16 under the driving of clutch driving unit
Dynamic, the spline tooth of 14 lower end of clutch axle sleeve and the rotor 17 of motor or the spline tooth being dehydrated on axle sleeve 32 are nibbled when being moved to lowest part
It closes, it is at this time dewatering state that input shaft 15 and input axle sleeve 16 rotate simultaneously；When clutch axle sleeve 14 is moved to topmost, upper end
Spline tooth and shell 13 or fixed bracket 12 on spline tooth engagement, input axle sleeve 16 is circumferentially fixed, cannot rotate, at this time
To wash state.
The clutch driving unit, including driving motor 1, driving wheel 2 and yoke bar 3.Yoke bar 3 is lever construction,
Middle part is equipped with fixed pivot, and head is shift fork 6, driving end 7 of the tail support on driving wheel 2.14 excircle of clutch axle sleeve is set
There is a boss 47, reset spring 41 is equipped between the upper surface and shell 13 of boss 47, is made with providing to glide to clutch axle sleeve 14
Firmly；The lower surface of boss 47 is in contact with the head shift fork 6 of yoke bar 3, and yoke bar 3 can be changed the offer of clutch axle sleeve 14 upper
Hold in the palm active force.Driving wheel 2 is rotated under the drive of driving motor 1, in 2 rotary course of driving wheel, drives yoke bar 3
Tail portion driving end 7 moves up and down, and so that the head shift fork 6 of yoke bar 3 is generated displacement, moves up or down clutch axle sleeve 14.
The yoke bar 3 is mounted on shell 13 through reduction torsion spring 40, to provide reset response power for yoke bar 3；Preferably, it resets
The reset response power of torsional spring 40 and the reset response power of reset spring 41 are to the direction of motion of yoke bar on the contrary, reduction torsion spring 40
Reset response power provides pop-up active force to clutch axle sleeve 14.
Embodiment one
As shown in Fig. 3 to Fig. 7, as shown in Figure 2-5, a kind of speed-reducing clutch clutch driving unit described in the present embodiment, packet
Driving motor 1, driving wheel 2 and yoke bar 3 are included, driving wheel 1 is mounted on the output shaft of driving motor 1, and 2 circumference of driving wheel is equipped with
Supporting surface, supporting surface have difference in height in the axial direction, and yoke bar 3 is lever construction, and middle part is equipped with fixed pivot, 3 head of yoke bar
For shift fork 6, shift fork 6 is located at the lower section of clutch axle sleeve 14, moving up and down for clutch axle sleeve 14, shift fork is controlled together with reset spring
3 tail portion of bar is driving end 7, and driving end 7 is equipped with sliding contact surface and supporting surface is slidably matched；Driving motor 1 drives driving wheel 2
Rotation, opposite sliding, tail portion drive 7 height change of end to drive shift fork club head on the support surface at the driving end 7 of yoke bar tail portion
6 height change of shift fork, head shift fork 6 and reset spring act on together drives clutch axle sleeve 14 to move up and down.Driving wheel 2 is directly pacified
On the motor shaft of driving motor 1,2 axis of driving wheel is parallel with 14 axis of clutch axle sleeve, and driving wheel 2 is axial static, circumferential
Rotation, yoke bar 3 is circumferential static, when driving wheel 2 circumferentially rotates, is supported on the driving of 3 tail portion of yoke bar of 2 supporting surface of driving wheel
The height at end 7 changes with the variation of clutch axle sleeve axial height when supporting surface rotates, and 3 tail portion of yoke bar drives 7 height of end
Variation drives the height corresponding change of 3 head shift fork 6 of yoke bar, to drive moving up and down for clutch axle sleeve 14.This kind of clutch
Driving device structure is simple, drives high reliablity, and easy for installation, modular integrated degree is high.
The driving motor is stepper motor, gives a pulse signal, and drive motor shaft turns over 180 °, 3 tail portion of yoke bar
It drives end 7 to be moved to extreme lower position by extreme higher position, or extreme higher position is moved to by extreme lower position, driving motor turns over again
180 °, 3 tail portion of yoke bar drives end 7 to be moved to extreme higher position by extreme lower position, or is moved to extreme lower position by extreme higher position.
Clutch axle sleeve 14 moves up and down under the driving of shift fork 6 and reset spring along input axle sleeve 16, is moved to lowest part
When 14 lower end of clutch axle sleeve spline tooth and dehydration axle sleeve 32 or rotor 17 on spline tooth engagement, input shaft 15 and input
Axle sleeve 16 rotates in same direction at the same speed, drives dehydrating shaft and impeller shafts to rotate in same direction at the same speed, is at this time dewatering state, and clutch axle sleeve 14 is moved
When moving topmost, spline tooth and the spline tooth engagement on shell 13 or fixed bracket 12 of upper end, input axle sleeve 16 is circumferentially
It is not able to rotate, the rotation of input shaft 15 drives impeller shafts and dehydrating shaft to rotate backward through reduction gearbox 36, and formation is double dynamical to wash, or de-
Water axis does not turn impeller shafts rotation, forms general full automatic and washes, and is at this time washing depending on the setting of the train inside reduction gearbox 36
State.
Driving wheel 2 described in the present embodiment includes a cylindrical body 4, and at least partly periphery of cylindrical body 4 is radially
The protrusion 5 of an arc is extended to form, an axial surface of protrusion 5 is supporting surface, and the supporting surface includes circumferentially square
To sequentially connected inclined First Transition face 8, highest supporting surface 9 and the second transition face with 8 reversed dip of First Transition face
10。
The end face at 3 tail portion of yoke bar driving end 7 is an arc groove, and the arc groove is corresponding with the cylindrical body of driving wheel
Cooperation.When driving wheel 2 rotates, a side at supporting surface and shift fork tail portion driving end is opposite to be slided, and operational process is more flat
Surely, the impact to connector is reduced.
One side at 3 tail portion of yoke bar driving end and the support face contact of driving wheel 2, which includes along circle
The sequentially connected inclined third transition face 19 of circumferential direction, highest contact surface 20 and with 19 reversed dip of third transition face the 4th
Transition face 21.The highest supporting surface 9 and highest contact surface 20 are face contact when contacting, and can avoid causing to damage to contact site
It is bad, improve the service life of components.
Alternatively, the part-circular periphery face of the end of the driving wheel 2 extends radially outward to form protrusion 5,
His periphery is the periphery of cylindrical body 4, and the 1/3~2/3 of the whole circumference face of the end of the preferably described driving wheel 2 is radially
Protrusion 5 is extended outward to form, other peripheries are the periphery of cylindrical body, and the driving wheel 2 turns to the drive of yoke bar 3
When the contact surface of moved end and the supporting surface on protrusion 5 are detached from, to limit is not played in yoke bar up and down direction, at this time
Yoke bar sets back by reset spring.
Can be preferred, 1/2 periphery of such as end of the driving wheel 2 extends radially outward to form protrusion 5, separately
Outer 1/2 periphery is the periphery of cylindrical body 2.Or 1/3 periphery of the end of the driving wheel extends radially outward
Protrusion is formed, in addition 2/3 periphery is the periphery of cylindrical body.Or 2/3 periphery edge of the end of the driving wheel
It extends radially outwardly to form protrusion, in addition 1/3 periphery is the periphery of cylindrical body.
Alternatively, the whole circumference face of the end of the driving wheel extends radially outward to form protrusion, it is described
Protrusion includes a highest supporting surface and minimum supporting surface, the highest supporting surface and minimum supporting surface circumferencial direction interval
180 °, angled transition between highest supporting surface and minimum supporting surface.In the case of this kind, the reset spring of yoke bar acts as always
With.
Yoke bar 3 is lever construction, and middle part is equipped with fixed pivot, and the middle part of yoke bar 3 is mounted on a fixed bracket 12,
Revolute pair is constituted, the fixed bracket 12 is fixed on shell 13 or the fixed bracket 12 is wholely set with shell 13.It is excellent
It selects fixed bracket 12 to be fixed on shell 13, is only needed after fixed bracket 12 breaks down with the hinged place of yoke bar 3 in this way
Fixed bracket 12 is replaced, is not had to 13 integral replacing of shell.
The first mounting hole is equipped in the middle part of the yoke bar 3, the fixed bracket corresponding position is equipped with the second mounting hole, installation
Hole fits through that a rotating dog is hinged, forms the fixed pivot of yoke bar 3, is additionally provided on the rotating dog and provides for yoke bar
The torsional spring of reset response power, the torsional spring are the reset spring of yoke bar, and the preferably described fixed pivot, which is located in the middle part of yoke bar 3, to be leaned on
Nearly driving 7 side of end.Drive the movement of the smaller stroke in end 7 that the movement of the larger stroke in head just can be obtained in this way.
The axial upper surface of the protrusion 5 of the driving wheel 2 is supporting surface, the tail portion driving end 7 of the yoke bar 3
Lower surface is the contact surface with support face contact, and the supporting surface includes tilting First Transition face 8,9 and of highest supporting surface upwards
The second transition face 10 obliquely, the contact surface include third transition face 19 obliquely, highest contact surface 20 and obliquely
The 4th transition face 21.
When the rotation of driving wheel 2 drives clutch axle sleeve 14 to be in the second position, highest supporting surface 9 is by the tail of yoke bar 3
The driving end 7 in portion jacks up upwards, and the head shift fork 6 of yoke bar moves down, and disappears to the axial position-limiting action of clutch axle sleeve 14,
Clutch axle sleeve 14 is moved down in the effect of reset spring and gravity.Driving wheel rotate 180 degree, the rotation of driving wheel 2 drive from
When sympodium set 14 is in first position, reset spring is in compressive state, and the tail portion driving end of yoke bar is in free state, or
The minimum supporting surface of person and highest contact face contact, and under the action of itself torsional spring, tail portion driving end 7 moves down shift fork, head
Shift fork moves up, and the head shift fork 6 of yoke bar 3 jacks up clutch axle sleeve 14.
The axial lower surface of the protrusion 5 of the driving wheel 2 is supporting surface, the tail portion driving end 7 of the yoke bar 3
Upper surface is the contact surface with support face contact, and the supporting surface includes tilting down First Transition face 8,9 and of highest supporting surface
The second transition face 10 obliquely, the contact surface include third transition face 19 obliquely, highest contact surface 20 and obliquely
The 4th transition face 21.
The rotation of driving wheel 2, highest supporting surface 9 press downwards the tail portion driving end 7 of yoke bar 3, the head of yoke bar 3
Shift fork moves up, and clutch axle sleeve 14 is jacked up, and driving wheel 2 rotates 180 degree, and the tail portion driving end 7 of yoke bar 3 only has arc groove
Cooperate with driving wheel, the tail portion driving end 7 of axial direction upper shift fork bar is in free state or minimum supporting surface connects with highest
Contacting surface contact, under the action of itself torsional spring, tail portion driving end 7 moves up yoke bar 3, and head moves down, clutch axle sleeve
14 move down in the effect of reset spring and gravity.
Embodiment two
As shown in Fig. 6, Fig. 8 and Fig. 9, in the present embodiment, the upper and lower ends of the clutch axle sleeve 14 be respectively equipped with it is upper solid
The upper spline tooth 48 of price fixing engagement and the lower spline tooth 49 engaged with lower dehydration plate.For ease of description, by clutch axle sleeve with motor
The direction that rotor 17 rotates is defined as, clockwise.The tooth crest tooth form of the upper spline tooth 48 is along clockwise direction
The inclined-plane ramped up；The tooth crest tooth form of lower spline tooth 49 is the inclined-plane for tilting decline along clockwise direction.To make.Make
Clutch axle sleeve 14 when upper spline tooth 48 and upper matching spline tooth 50 and lower spline tooth 49 and lower matching spline tooth 51 engage more
Smooth, smoother is meshed.
In the present embodiment, the lower dehydration plate by it is being separately provided on 17 top surface of rotor of motor or with the one of rotor 17
A part of setting is constituted, which is equipped with the lower matching spline tooth 51 being meshed with lower spline tooth 49；Preferably, institute
The lower dehydration plate stated is made of dehydration axle sleeve 32, is dehydrated at the upper surface of axle sleeve 32 and is equipped with lower matching spline tooth 51.Described is de-
Water axle sleeve 32 is mounted on the lower end that the upper surface of rotor 17 and rotor are sleeved on input shaft 15 together.It is dehydrated the inner wall of axle sleeve 32
It is equipped with the internal spline being meshed with input shaft 15, makes to be dehydrated that axle sleeve 32 is fixed, non-rotatable be mounted on input shaft 15.
It is dehydrated axle sleeve 32 and the rotor 17 of motor constitutes dismountable, not relatively turnable company of fixation relatively through nut fastening together
It connects.
In the present embodiment, it is that the upper fixed disk is separately provided by 13 bottom surface of shell or be wholely set with shell 13 one
Part is constituted, which is equipped with the upper matching spline tooth 50 being meshed with upper spline tooth 48；Preferably, the upper fixation
Disk is constituted by fixing bracket 12, and the fixation bracket 12 is fixedly mounted at the lower surface of shell 13, under fixed bracket 12
Surface is equipped with upper matching spline tooth 50.The fixation bracket 12 is annular in shape, is equipped with upper matching spline tooth 50 close to peripheral part, leans on
Nearly inner peripheral portion is equipped with the plane installed for 41 upper end of reset spring or groove.
As shown in figure 9, in the present embodiment, the tooth crest inclined-plane inclined direction of the upper spline tooth 48 and lower spline tooth
49 tooth crest inclined-plane inclined direction is reversed.The tooth crest bevel inclination angle of upper spline tooth 48 is α, and α is 0 to 10 degree.
The tooth crest inclined-plane upper and lower ends of upper spline tooth 48 are respectively equipped with circular arc chamfering；Preferably, the circular arc of the lower end chamfer in inclined-plane half
Diameter is less than the arc radius of higher-end chamfering；It is further preferred that the arc radius of the circular arc chamfering at height both ends is in
0.5mm preferably to engage between upper spline tooth 48 and upper matching spline tooth 50, while also avoiding the formation of point between 3mm
Sharp corner angle be easy to cause damage.
Likewise, the tooth crest bevel inclination angle of lower spline tooth 49 is β, β is 0 to 10 degree.The tooth top of upper spline tooth 48
Inclined-plane upper and lower ends in portion are respectively equipped with circular arc chamfering；Preferably, the arc radius of inclined-plane higher-end chamfering is less than lower end chamfer
Arc radius；It is further preferred that the arc radius of the circular arc chamfering at height both ends is 0.5mm to 3mm, so as to lower spline tooth
It is preferably engaged between 49 and lower matching spline tooth 51, while also avoiding the formation of sharp corners and be easy to causeing damage (not in attached drawing
In indicate).
In the present embodiment, the fixation bracket 12 is equipped with the upper matching spline tooth 50 being meshed with upper spline tooth 48, takes off
Water axle sleeve 32 is equipped with the lower matching spline tooth 51 being meshed with lower spline tooth 49.The tooth crest tooth form of upper matching spline tooth 50 is
The setting identical as the tooth crest inclined-plane of upper spline tooth 48 of inclined-plane, the tilt angle on the inclined-plane and direction；Lower matching spline tooth 51
Tooth crest tooth form be inclined-plane, the setting identical as the tooth crest inclined-plane of lower spline tooth 49 of the tilt angle on the inclined-plane and direction.
To which during ensure that spline tooth and matching spline tooth engagement, tooth top is contacted with face, to increase contact area, really
Protect the steady reliability of spline tooth engaged transmission；Meanwhile during tooth engagement, spline tooth be diagonally contact surface slide-in match
In the tooth socket for closing spline tooth, the flatness of between cog engaged transmission is further improved.
It is also possible that being a part of inclined-plane by the tooth crest tooth form of upper spline tooth 48 and/or lower spline tooth 49, a part of flat
Face, it is matching, the tooth crest tooth form of upper matching spline tooth 50 and/or lower matching spline tooth 51 is also set as a part of oblique
Face, a part of plane.The tooth crest of upper spline tooth 48 sets gradually inclined-plane and plane, upper matching spline tooth 50 along clockwise direction
Tooth crest set gradually plane and inclined-plane along clockwise direction.Lower spline tooth 48 presses the direction opposite with above-mentioned upper spline tooth 48
Inclined-plane and plane are set gradually, lower matching spline tooth 51 sets gradually plane by the direction opposite with above-mentioned upper matching spline tooth 50
The inclined-plane and.To guarantee the effect of skew force during tooth engagement, guarantee the smooth and reliability of clutch process；By upper
Setting is stated, the facewidth of spline tooth, the intensity for improving spline tooth, the torsional strenght that ensure that spline tooth after engagement are increased.
In the present embodiment, if the direction of rotation of rotor changes, change the direction of rotation of clutch axle sleeve, it is corresponding to change
The tooth crest inclined-plane inclined direction for becoming upper spline tooth and lower spline, when so that clutch axle sleeve being engaged with upper fixed disk or lower dehydration plate
More smooth, smoother is meshed and (indicates not in the drawings).
Embodiment three
As shown in Figure 8 and Figure 9, in the present embodiment, the upper and lower ends of a kind of clutch axle sleeve, the clutch axle sleeve 14 are set respectively
The lower spline tooth 49 for having the upper spline tooth 48 engaged with upper fixed disk and being engaged with lower dehydration plate, at upper and lower two tooth engagement in extremely
Buffer layer is equipped at few one.
In the present embodiment, the buffer layer is made of the shock-absorbing sleeve 34 that 14 lateral wall of clutch axle sleeve is arranged.Described subtracts
Shake set 34 protrudes lower spline tooth and/or the gullet base setting of upper spline tooth, the shock-absorbing sleeve 34 are made of elastic material；It is excellent
Choosing, the shock-absorbing sleeve 34 by can the rubber sleeve of elastic telescopic deformation constitute.
In the present embodiment, during carrying out tooth engagement with lower dehydration plate due to clutch axle sleeve 14, there can be a period of time
The process aligned；During this may the time it is shorter, may also the time it is longer, can so that yoke bar is in this period
One section of displacement can be produced, shift fork has been detached from clutch axle sleeve at this time.It is engaged in clutch axle sleeve 14 with lower dehydration plate
In the process, the supporting force that clutch axle sleeve 14 only will receive the active force of reset spring 41, lose shift fork 6, makes clutch axle sleeve
14 quickly touch downwards lower dehydration plate, are easy to generate abnormal sound, spline tooth is caused to rupture.
Therefore, as shown in figure 9, in the present invention, the lower end of shock-absorbing sleeve 34 is arranged beyond the gullet base of lower spline tooth 49,
When engaging clutch axle sleeve 14 with lower dehydration plate, shock-absorbing sleeve 34 is in contact prior to the tooth socket of lower spline tooth 49 with lower dehydration plate, subtracts
Abnormal sound is engaged less.The lower end of the shock-absorbing sleeve 34 is H, the H beyond height compared with the gullet base of lower spline tooth 49
Not less than 0.5mm, it is not more than 3mm, to guarantee that shock-absorbing sleeve 34 is in contact prior to the tooth socket of lower spline tooth 49 with lower dehydration plate；Simultaneously
Shock-absorbing sleeve is avoided to be sandwiched into spline tooth socket after too big, damping deforms beyond height.
Likewise, the upper end of shock-absorbing sleeve 34 can be arranged beyond the gullet base of upper spline tooth 48, make clutch axle sleeve
14 with upper fixed disk when engaging, and shock-absorbing sleeve 34 is in contact with upper fixed disk prior to the tooth socket of upper spline tooth 48 and (infuses not in the drawings
It is bright).
It can include: the tooth socket of the upper spline tooth 48 beyond clutch axle sleeve 14 by the shock-absorbing sleeve 34 in the present embodiment
Second shock-absorbing sleeve of the gullet base setting of the first shock-absorbing sleeve of bottom setting and the lower spline tooth 49 beyond clutch axle sleeve 14.It is excellent
Choosing, first shock-absorbing sleeve is wholely set with the second shock-absorbing sleeve, and is fixedly mounted at the lateral wall of clutch axle sleeve 14 (not
It indicates in the accompanying drawings).
In the present embodiment, setting that can also be relatively independent by first shock-absorbing sleeve and the second shock-absorbing sleeve, first subtracts
Shake set is fixedly mounted on clutch axle sleeve 14 and is equipped at the lateral wall of 48 one end of upper spline tooth, and the second shock-absorbing sleeve is fixedly mounted on clutch
Axle sleeve 14 is equipped at the lateral wall of lower 49 one end of spline tooth and (indicates not in the drawings).By distinguishing at the both ends of clutch axle sleeve
First shock-absorbing sleeve and the second shock-absorbing sleeve are set, so that the shock-absorbing sleeve of upper/lower terminal difference wear condition can be replaced independently, to reach
Save the purpose of production, maintenance cost；Further, only buffer layer need to be set in the upper and lower ends portion of clutch axle sleeve, so that it may reach
To clutch axle sleeve damping, the effect of anticollision.
By installing the buffer layer beyond the setting of spline tooth gullet base additional in clutch axle sleeve, during avoiding tooth engagement
Impact stresses, improve the reliability of arrangement of clutch.
In the present embodiment, upper fixed disk is equipped with the upper matching spline tooth 50 being meshed with upper spline tooth, the upper cooperation
The radial width of spline tooth 50 is greater than the radial width of upper spline tooth 48.Preferably, the upper matching spline tooth 50 is radially-wide
Degree is equal to the radial width of upper spline tooth 48 and the sum of the thickness of shock-absorbing sleeve 34, makes the tooth top of matching spline tooth 48 can be with damping
34 contact limit of set, makes buffer layer 34 prior to the peak contact of the gullet base of upper spline tooth 48 and upper matching spline tooth 50, delays
Rush the active force that clutch axle sleeve 14 is collided during clutch transmission.
Likewise, lower dehydration plate is equipped with the lower matching spline tooth 51 being meshed with lower spline tooth 49, the lower cooperation flower
The radial width of key teeth 51 be greater than lower spline tooth 49 radial width, make buffer layer 34 prior to lower spline tooth 49 gullet base with
The peak contact of lower matching spline tooth 51.Preferably, the radial width of the lower matching spline tooth 51 is equal to lower spline tooth 49
The sum of the thickness of radial width and shock-absorbing sleeve 34 enables the tooth top of lower matching spline tooth 51 that can contact limit with shock-absorbing sleeve 34.
Example IV
As shown in Figures 1 to 4, a kind of clutch driving mounting structure is described in the present embodiment, the clutch drives packet
Driving motor 1, driving wheel 2 and shift fork 3 are included, driving wheel 2 is mounted on the output shaft of driving motor 1, and driving motor 1 is fixedly mounted
On the shell 13 of speed-reducing clutch.Preferably, the driving motor 1 is mounted in mounting cup 35, the mounting cup 35
It is fixed on shell 13.
As shown in Figures 2 and 3, the mounting cup 35 for the hollow cover that driving motor 1 accommodates by constituting, mounting cup 35
Side be installation side wall, the installation side wall is equipped with the installation flange 46 that outwardly protrudes, the warp of installation flange 46
Bolt is removably attachable on shell 13.
As shown in Figure 3 and Figure 4, the installation side wall of mounting cup 35 and installation flange 46 match in 13 sidewall shape of shell
The cambered surface of conjunction contacts the side wall fitting of mounting cup 35 and shell, avoid being formed between shell 13 and mounting cup 35 gap, hair
Raw clamping sundries phenomenon.
In the present embodiment, the left and right sides for installing side wall extends outwardly to form an installation flange 46 respectively, installs flange
The mounting hole 44 for bolt installation is respectively equipped on 46.
In the present embodiment, the outer wall of mounting cup 35 is protruded above equipped with a plurality of reinforcing rib extended at installation flange, to mention
The structural strength of height installation flange, improves the firm degree of installation of mounting cup.As shown in Figure 3 and Figure 4, it is preferred that mounting cup 35
The installation side wall left side or the right mounting cup side wall be mounting cup 35 left side wall or right side wall, the left side wall or right side wall
It is equipped with a plurality of reinforcing rib 43, the reinforcing rib 43 protrudes the outside setting of left side wall or right side wall, and each reinforcing rib distinguishes water
It is flat to extend at the installation flange 46 of respective side.
The lower part of the installation side wall of mounting cup 35 is equipped with the positioning flange 45 protruded to 13 direction of shell, and the positioning is turned over
The lower surface fitting of side 45 and shell 13 contacts, and makes 35 location and installation of mounting cup on shell 13, realizes mounting cup 35 and outer
The quick positioning of relative position between shell 13.Meanwhile each setting one respectively on the top of installation flange 46 and positioning flange 45
Mounting hole 44 is oppositely arranged positioning flange 45 with mounting hole 44, to improve the fixation reliability of mounting cup 35.The present embodiment
In, by the equally spaced horizontal arrangement of each reinforcing rib 43 at the middle part of mounting cup 35；Preferably, each reinforcing rib 43 is set to positioning flange
Between 46 and the mounting hole 44 on installation 45 top of flange.
The output shaft of the driving motor 1 passes vertically through the upper side or downside setting of mounting cup 35, and output shaft is worn
Outlet is equipped with the driving wheel 2 rotated jointly with output shaft.Preferably, the downside of mounting cup 35 or upper side are by dismountable
Side wall 42 is constituted, and dismountable side wall 42 is removably connected with mounting cup 35 through buckle, so that the inside of mounting cup 35 is empty
Between it is openable, in order to internal drive motor 1 maintenance, replacement.It is further preferred that driving wheel 2 and dismountable side wall 42
Two opposite different lateral positions of mounting cup 35 are respectively arranged on, to improve the convenience of speed-reducing clutch maintenance.
The foregoing is merely the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art and
Speech, without departing from the principles of the present invention, can also make various deformation and improvement, this also should be considered as protection of the invention
Range.
Claims (12)
1. a kind of arrangement of clutch of speed-reducing clutch, including driving motor (1), driving wheel (2), yoke bar (3) and clutch axle sleeve
(14), it is characterised in that: driving wheel (2) includes a supporting surface with difference in height；The driving wheel (2) includes a cylinder sheet
Body, cylindrical body at least partly periphery extend radially outward the protrusion (5) to form an arc, protrusion (5) axial direction
One surface is supporting surface, and the supporting surface includes along the circumferential direction sequentially connected inclined First Transition face (8), highest branch
Support face (9) and the second transition face (10) with First Transition face (8) reversed dip；One end of yoke bar (3) is supported on driving wheel
(2) on supporting surface, the other end of yoke bar (3) is contacted with clutch axle sleeve (14) limit；Driving wheel is rotated with drive motor shaft
In the process, control yoke bar is mobile, and clutch axle sleeve (14) is driven to move up and down；The upper and lower ends of the clutch axle sleeve (14) are distinguished
Equipped with the upper spline tooth (48) engaged with upper fixed disk and the lower spline tooth (49) engaged with lower dehydration plate, the upper spline tooth
(48) tooth crest tooth form is the tooth crest tooth form of the inclined-plane of up- wards inclination, lower spline tooth (49) along clockwise direction for along up time
Needle direction declines inclined inclined-plane.
2. a kind of arrangement of clutch of speed-reducing clutch according to claim 1, it is characterised in that: the rotor of speed-reducing clutch
Clutch axle sleeve (14) are driven to be rotated in a clockwise direction through lower dehydration plate.
3. a kind of arrangement of clutch of speed-reducing clutch according to claim 2, it is characterised in that: the tooth of upper spline tooth (48)
The inclination angle alpha of top bevel, the degree of α are 0 to 10 degree；The inclination angle beta on the tooth crest inclined-plane of lower spline tooth (49), β's
Degree is 0 to 10 degree.
4. a kind of arrangement of clutch of speed-reducing clutch according to claim 3, it is characterised in that: upper spline tooth (48) and under
The inclined-plane upper and lower ends of spline tooth (49) are respectively equipped with circular arc chamfering.
5. a kind of arrangement of clutch of speed-reducing clutch according to claim 3, it is characterised in that: the upper spline tooth (48)
And/or tooth crest tooth form a part of lower spline tooth (49) is inclined-plane, a part is plane.
6. the arrangement of clutch of speed-reducing clutch according to claim 1, it is characterised in that: the driving motor (1) is solid
Dingan County is on the shell (13) of speed-reducing clutch.
7. the arrangement of clutch of speed-reducing clutch according to claim 6, it is characterised in that: the driving motor (1) is solid
In the inner space in mounting cup (35), the mounting cup (35) is fixedly mounted on the side wall of shell (13) for Dingan County,
The motor shaft vertical of driving motor (1) is pierced by the upper surface of mounting cup (35), and the motor shaft vertical of driving motor (1) passes through installation
The top surface or bottom surface setting, the output end of motor shaft for covering (35) are equipped with the driving wheel (2) rotated jointly with motor shaft.
8. a kind of arrangement of clutch of speed-reducing clutch according to claim 1, it is characterised in that: yoke bar (3) tail
It is an arc groove (11) that portion, which drives the end face of end (7), a top of yoke bar (3) tail portion driving end (7) arc groove (11)
The support face contact in face or bottom surface and driving wheel (2), the contact surface include along the circumferential direction sequentially connected inclined third mistake
Cross face (19), highest contact surface (20) and the 4th transition face (21) with third transition face (19) reversed dip.
9. a kind of speed-reducing clutch, including clutch axle sleeve, lower dehydration plate and the upper fixed disk slided up and down, it is characterised in that: such as
The clutch axle sleeve (14) of the arrangement of clutch of any speed-reducing clutch of claim 1 to 8 is mounted on the input of speed-reducing clutch
On axle sleeve (16), clutch axle sleeve (14) is slided up and down with respect to input axle sleeve (16) to engage respectively with upper fixed disk or lower dehydration plate
The conversion of washing with dehydration condition is realized in connection；Upper fixed disk/lower dehydration plate is equipped with and upper spline tooth (48)/lower spline tooth
(49) upper matching spline tooth (the 50)/lower matching spline tooth (51) being meshed, the tooth crest of the upper matching spline tooth (50)
Tooth form be along clockwise direction the inclined-plane of up- wards inclination, lower matching spline tooth (51) tooth crest tooth form be along clockwise direction under
Inclined inclined-plane drops.
10. speed-reducing clutch according to claim 9, it is characterised in that: the upper fixed disk by speed-reducing clutch outside
A part of shell (13) is constituted, or the fixation bracket (12) by being fixedly mounted on speed-reducing clutch is constituted；The lower dehydration
Disk is made of a part of speed-reducing clutch rotor (17), or the dehydration axle sleeve by being fixedly mounted on rotor (17)
(32) it constitutes.
11. speed-reducing clutch according to claim 10, it is characterised in that: the upper fixed disk is by fixing bracket (12)
It constitutes, fixed bracket is fixedly mounted on the lower surface of shell (13), and the lower surface of fixed bracket (12) is equipped with upper matching spline tooth
(50)；The lower dehydration plate is made of dehydration axle sleeve (32), the fixed installation that dehydration axle sleeve (32) is rotated jointly with rotor (17)
On rotor (17), the upper surface of dehydration axle sleeve (32) is equipped with lower matching spline tooth (51).
12. according to any speed-reducing clutch of claim 9 to 11, it is characterised in that: the upper matching spline tooth (50)
Tooth crest bevel inclination angle it is equal with the tooth crest bevel inclination angle of upper spline tooth (48)；The lower matching spline tooth
(51) tooth crest bevel inclination angle is equal with the tooth crest bevel inclination angle of lower spline tooth (49).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306302.1A CN105274783B (en) | 2014-06-30 | 2014-06-30 | A kind of arrangement of clutch and speed-reducing clutch of speed-reducing clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306302.1A CN105274783B (en) | 2014-06-30 | 2014-06-30 | A kind of arrangement of clutch and speed-reducing clutch of speed-reducing clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105274783A CN105274783A (en) | 2016-01-27 |
| CN105274783B true CN105274783B (en) | 2019-04-19 |
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| CN201410306302.1A Active CN105274783B (en) | 2014-06-30 | 2014-06-30 | A kind of arrangement of clutch and speed-reducing clutch of speed-reducing clutch |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108723191B (en) * | 2017-04-17 | 2023-10-24 | 麦格纳技术与模具系统（天津）有限公司 | Breaking key in flanging die |
| JP2019127983A (en) * | 2018-01-24 | 2019-08-01 | 日本電産サンキョー株式会社 | Clutch device and washing machine |
| CN113957668A (en) * | 2020-07-20 | 2022-01-21 | 青岛海尔洗衣机有限公司 | Speed reduction clutch device of washing machine, washing machine and control method of washing machine |
| CN113957667B (en) * | 2020-07-20 | 2023-06-23 | 青岛海尔洗衣机有限公司 | Speed reduction clutch device of washing machine and washing machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191126122A (en) * | 1911-11-22 | 1912-06-27 | Arthur Hammer | Improvements in Ironing Machines. |
| JP3600098B2 (en) * | 1999-12-14 | 2004-12-08 | 三洋電機株式会社 | Washing machine |
| CN201924194U (en) * | 2011-01-04 | 2011-08-10 | 江苏联动轴承有限公司 | Speed-reducing clutch with large capacity for full automatic agitator type washing machine |
| CN202157204U (en) * | 2011-07-20 | 2012-03-07 | 宁波普尔机电制造有限公司 | Bionic hand rubbing variable frequency speed reducing clutch for washing machine |
| CN103321018B (en) * | 2012-03-22 | 2017-08-04 | 安徽聚隆传动科技股份有限公司 | A kind of washing machine direct-drive |
| CN103321019B (en) * | 2012-03-22 | 2017-07-14 | 安徽聚隆传动科技股份有限公司 | A kind of two-power washing machine direct-drive |
| CN103321017B (en) * | 2012-03-22 | 2017-07-14 | 安徽聚隆传动科技股份有限公司 | A kind of two-power washing machine direct-drive |
| CN203559272U (en) * | 2013-08-29 | 2014-04-23 | 海尔集团公司 | Clutch shaft sleeve for deceleration clutch device of motor |
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