CN209262110U - Drain motor system, clutch and its input component - Google Patents

Abstract

A kind of input component of clutch, the input component is pivotable, its receive input torque and can be transmitted in the case where the output with clutch engages torque to clutch output, which is characterized in that the input component includes: at least one perforation；With at least one cantilever, each to be arranged in respective perforations, the cantilever extends substantially along identical circumferential direction, and the end of each cantilever is provided with pawl, for with the click-fit on output, so that the cantilever and detent mechanism on input component can suitably be bent in engagement process to promote to cooperate.Thus input component and output can easily and reliably realize engagement.Additionally provide a kind of clutch including the input component and the drain motor system including the clutch.

Description

Drain motor system, clutch and its input component

Technical field

The utility model relates to a kind of input component for clutch, the clutch including the input component, and packet Include the drain motor system of the clutch.

Background technique

Electric machine assembly is as the basic product of power is provided, in factory automation, family life automation, office automation Etc. multiple fields be widely applied.For example, electric machine assembly can be used in the drain motor system of washing machine drainage system, institute It states drain motor system and Drain Valve of Washing Machine is opened and/or kept under the action of electric machine assembly.

The quality of the control section of washing machine drainage system is extremely important to the quality of washing machine.Pass through market survey and visitor Family is fed back, and most washing machines, which complains event, on existing market (is also known as drawn by the drain motor of drainage system Device) bad cause；Drain motor broad categories on the market at present, structure is complicated；And each transmission control part is distributed in not With installation base surface on and control and transmission components it is more, cost is high, while because part is more, i.e., machine driving controls Point is more, causes part transmission interaction time point easily to change, in turn results in the failure of drain motor.Specifically, existing It there is problems in some drain motor systems.

Clutch system in the drain motor system of the prior art uses two parts completions of trip(ping) lever and check rod or more Function, which uses the different centres of gyration, and its direction of rotation is opposite；Two part poor fits are easily caused to cause Drain motor failure, and cost of parts is higher, manual assembly higher cost.

On the other hand, the pawl of identical quantity is set on castle wheel in the prior art and the non-return wheel of clutch with angle； When castle wheel is static, the effect of trip(ping) lever driving lever makes axially to be bonded the non-return wheel of clutch, castle wheel and the non-return wheel of clutch from castle wheel Pawl there is the possibility mutually pushed up, it is very big to answer back to power, and castle wheel is made to be difficult that the non-return wheel rotation of clutch, or delay is driven to revolve Turn.

On the other hand, stabilizer in the prior art is assembled by rubber damping block and injection structure part；It is because of material And the limitation of structure, after the increasing of drain motor stress, there are part abrasion for rubber damping block seriously, and damping deficiency etc. is asked Topic, leads to the drain motor lost of life.

On the other hand, control system nuclear structure: aluminium circle gear, magnet steel wheel is replied；The structure has transmission response speed Fastly, high-efficient, and there is almost negligible mechanical electromagnetic moment of friction, i.e., cogging torque is minimum close negligible；Again because of it Design feature and function need, higher to components required precision itself, because of structure and the limit of working ability in existing technology System easily breaks down so that the structure becomes the weak spot of entire drain motor system.

On the other hand, aluminium coil structures in the prior art are complicated, are provided with a boss, boss in main body " cup " type bottom A through-hole is arranged in center, and 3 apertures are arranged in main body " cup " type structural base, and flushing technology process is complicated, more Process.Aluminium circle gear injection molding body is arranged on bottom boss, and mould structure is complicated, is easily lost and not easy to repair.

Utility model content

In order to solve above-mentioned the problems of the prior art, the utility model is proposed.

A kind of drain motor system is provided in first aspect the utility model, comprising:

Motor, for exporting driving torque；

Transmission mechanism, comprising:

Clutch non-return mechanism, including the non-return component of pivotable clutch, for controlling the clutch of clutch non-return mechanism；It can pivot The input component turned receives the driving force from motor and pivotable output, input component will be come from when engaging with input component Driving torque be further transferred to downstream, wherein the non-return component of clutch simultaneously engages with output separating input component with output Non-return structure on part prevents output from reversely rotating；

Planetary gear train, including rim gear wheel, planetary gear and sun gear, wherein the driving torque quilt from clutch non-return mechanism It is transmitted to planetary gear；

Output wheel is connected to by traction object and exports tractive force, and wherein output wheel passes through one or more transition wheel transmissions It is connected to the sun gear of planetary gear train, so that being transmitted to output wheel from the rotate driving power that planetary gear train exports；And

Tooth engagement on the outside of stabilizer, with the rim gear wheel of planetary gear train, and there is retainer, and

Reply control system, comprising:

Input gear, for receiving driving force from motor；

Linkage part, including magnet steel wheel are connected to input gear and rotate and rotate with input gear；And induction pieces, It is rotated in the case where magnet steel wheel rotation by magnet steel wheel and generates magnetic fields and rotate；And

Reseting wheel, including braking parts, and can be pivoted between initial position and application position, wherein reseting wheel is elastic Component is towards initial position bias, and reseting wheel is connected to induction pieces, rotates when induction pieces receive the driving force from motor When will overcome the biasing force of elastic component and reseting wheel moved into application position, and since linkage part does not turn in induction pieces Dynamic and magnet steel wheel by the torsion of electromagnetic action transmitting is maintained at application position in the state of persistently rotate, wherein in the braking Distance braking portion engages the corresponding retainer on stabilizer, and stabilizer is prevented to rotate, thus the locking balance in motor operating Wheel be able to rotate it not, and in motor stalls reseting wheel be biased return initial position stabilizer is turned It is dynamic.

The utility model provides a kind of reliable and stable drain motor system as a result, passes through mechanical structure controlling party Formula realize drain motor system from traction, in place after holding and power-off after controlled reset movement, avoid using The complex way of electric contact or sensor.Further, the drain motor system of the utility model reduces transmission series, improves biography Efficiency of movement reduces the loss of transmission system, reduces energy consumption；Reduce parts machining mold difficulty and cost；Improve production effect Rate and Improving The Quality of Products.

Preferably, the drain motor system includes shell, and the output wheel is led by being connected to its traction rope output Gravitation, the shell include traction rope outlet, and the traction rope passes through traction rope outlet and extends to drain motor exterior.Electricity It is longitudinal axis that machine rotor, which rotates axis around,.That is, the output shaft of motor extends along a longitudinal axis.Perpendicular to motor In the plane of output shaft, using the line of traction rope outlet and the motor centre of gyration as Y-axis, to be returned perpendicular to Y-axis and by motor The line for turning center is that X-axis constructs coordinate system.Preferably, the output wheel, planetary gear train and linkage part are along motor output shaft Axial direction projection on this plane be located at first quartile in the coordinate system and fourth quadrant and the second quadrant. Such layout further reduced the size of system so that system is more compact.It is such layout so that motor output shaft, The space limited between output wheel and planetary gear train can be used to accommodate the clutch arm of the non-return component of clutch, to allow to show There is the structure that must use two parts in technology, is adjusted to only the structure of a part to be needed just to be able to satisfy drain motor Functional requirement.

In second aspect, the utility model provides a kind of non-return component of clutch, and the clutch for drain motor system stops Inverse mechanism, drain motor system include motor, clutch non-return mechanism, center tooth train and output wheel, and clutch non-return mechanism is in the future It is inputted from the torque of motor and output wheel is transmitted to by center tooth train, the clutch non-return mechanism includes pivotable input component And output, single-piece that the non-return component of clutch is formed as one and include:

Axis hole, for being installed to pivot for the non-return component of clutch is pivotable；

Clutch arm extends from axis hole, for realizing the clutch between input component and output；

Non-return arm angularly extends from axis hole in the side of clutch arm relative to clutch arm, for cooperating with output To prevent output from inverting；And

Driving lever, the other side of clutch arm relative to clutch arm angularly from axis hole extend, for on output wheel Driving lever cooperation, stirs the non-return component of clutch by the rotation of output wheel,

Wherein the non-return component of clutch can move pivotally between initial position and final position, wherein in initial position, from It closes arm and makes that input component and output engage and non-return arm is separated with output, clutch arm makes input component and defeated in final position Part separates out, and non-return arm engages output, prevents output from inverting.

The trip(ping) lever and check rod that separation arrangement controls respectively in the prior art are integrated by the above-mentioned non-return component of clutch, And the transformation that clutch and non-return two kinds of functions are realized by individually pivoting, there is the transmission accuracy of the non-return component of clutch and efficiency Significant increase, drain motor failure caused by avoiding because of part matching problem.The structure also simplifies existing draining electricity The assembling process of machine and meets the needs of automatic assembling；Cost of labor is thereby reduced, product competitiveness is improved.

Preferably, clutch arm successively includes along the circumferential direction the first contact towards non-return arm in the end far from axis hole Face, inclined-plane and the second contact surface, wherein the first contact surface is in axial direction higher than the second contact surface, inclined-plane is connected to the first contact Between face and the second contact surface.The structure can guarantee the quick "Off" of castle wheel and the non-return wheel of clutch and smoothly " close ".

Preferably, the angle of inclined-plane and the second contact surface is between 120 ° to 160 °.Preferably, inclined-plane and the second contact surface Angle be 140 °.The angle is further ensured that the fluency of clutch conversion.

Preferably, the non-return component of clutch is installed on substrate, and arcuate socket, arcuate socket are provided at clutch arm end position It is arranged with axis hole with center, for cooperating with the pin on substrate.The structure can be used in guiding and limiting the non-return component of clutch Movement, so that clutch system operation is more stable.

Preferably, arcuate socket pair angle in 15 ° to 25 ° ranges.Preferably, arcuate socket pair angle be 18 °.It is excellent Selection of land is measured since arcuate socket is near one end of driving lever, and clutch arm is substantially at an angle with driving lever, which exists Between 60 ° to 120 °.Preferably, clutch arm and driving lever angulation are 97 °.Preferably, from arcuate socket near the one of driving lever End starts to measure, and non-return arm and clutch arm are substantially at an angle, and the angular range is between 30 ° to 50 °.Preferably, clutch arm It is 39 ° with non-return arm angulation.

Preferably, the non-return component of clutch is installed on substrate, on bottom side of the non-return component of clutch towards substrate, arcuate socket Radially inner side and outside be respectively arranged with convex ribs, convex ribs extend along circumferential direction.This construction reduce the frictions of itself and substrate Power is conducive to the stability for controlling drain motor noise and the clutch structure.

Preferably, the driving lever of the non-return component of the clutch is the form of trapezoidal column with rounded corners.This configuration avoids because of note Caused deformation problems in modeling process and loading process, and then improve the service life of drain motor.

In the third aspect, a kind of drain motor system is additionally provided, comprising: motor, clutch non-return mechanism, center tooth train And the torque from motor is inputted and is transmitted to output wheel, the clutch by center tooth train by output wheel, clutch non-return mechanism Non-return mechanism includes pivotable input component and output, and the clutch non-return mechanism includes that clutch described in aforementioned paragraphs stops Inverse component.

In fourth aspect, the utility model provides a kind of input component of clutch, the input component be it is pivotable, It receives input torque and can transmit the output of torque to clutch in the case where the output with clutch engages Part, the input component include:

At least one perforation；With

At least one cantilever, each to be arranged in respective perforations, the cantilever extends substantially along identical circumferential direction, often The end of a cantilever is provided with pawl, for the click-fit on output, thus cantilever and detent mechanism on input component It can suitably bend in engagement process to promote to cooperate.

When input component attempts to engage close to output, output pawl may be pushed up at the top of the elastic pawl of input component Any position, but because input component pawl be elastic construction, frictional resistance is small, drain motor be powered when input component band dynamic elasticity Pawl rotation, slides into output pawl most deep, easily and reliably realizes engagement.

Preferably, the number of pawls on input component is less than the number of pawls on output.Thus elastic spine is better assured The elasticity of pawl.

Preferably, the pawl of input component is the right angled triangle form gradually thickeied towards end, wherein the circumferential direction of pawl End face is perpendicular to bottom surface.This structure can ensure pawl more reliably with match pawl engagement.

Preferably, cantilever pair angle between 90 degree to 120 degree.Preferably, the radially inward edge institute of cantilever is diagonal Degree is 94 °, and radially outward edge institute is 109 ° to angle.Preferably, the width of cantilever is gradually increased from end to root.Thus it hangs The intensity of arm roots is enhanced, and increases the reliability of whole system.Preferably, the radially outward edge eccentric setting of cantilever with Increase the width of root.Preferably, cantilever root width value is between the 1/5 to 1/3 of cantilever arc length.

Preferably, the ratio of pawl width value and cantilever root width value is between 1/2 to 1.Preferably, which is 3/ 5。

A kind of clutch is additionally provided, the clutch includes the input component as described in aforementioned any one, and It can be with input component engagement and isolated output.A kind of drain motor system is additionally provided, the drain motor system includes institute The clutch stated.

At the 5th aspect, the utility model provides a kind of stabilizer, and the stabilizer is integrally formed and includes:

Main body, center is equipped with through-hole, for being pivotally mounted to pivot；

Two elastic arms, diameter are oppositely disposed at body end；And

Two damping blocks, are connected respectively to the end of elastic arm,

It wherein in axial direction observes, main body, elastic arm and damping block form substantially " S " shape moulding.

This integrally formed stabilizer simplifies structure, enhances the reliability of system.

Preferably, stabilizer is integrated injection structure.Preferably, the main body is cylindric.

Preferably, the first angle is formed on the inside of elastic arm and damping block, with the second angle of formation on the outside of damping block, the first folder Angle is set as between 1/2 to the 3/4 of the second angle.Preferably, the first angle is set as the 3/5 of the second angle.

Preferably, damping block upper surface is provided with convex ribs.The convex ribs are able to suppress resistance when damping block upwarps deformation The friction that the entire upper surface of Buddhist nun's block and shell generate, this friction will lead to abrasion and resistance is excessive that drain motor is caused to fail.

Preferably, main body setting elastic arm position at below be provided with integrally formed convex block, be used for and control be The brake component of system matches, with brake compensation wheel.

Preferably, it is integrally formed with gear in main body, is engaged for other gears.

At the 6th aspect, the utility model provides a kind of transmission system, and the transmission system includes:

Stabilizer as described in the preceding paragraph, wherein the lower section setting at the position of the main body setting elastic arm of stabilizer There is integrally formed convex block, and be integrally formed with gear in main body, for the gear engagement in drain motor system, and at least puts down The elastic arm and damping block of weighing apparatus wheel are arranged in from the ring that shell protrudes inwardly from；And

Control system, including brake component, when motor operating, brake component stretches out, and engages with the convex block of stabilizer flat to brake Weighing apparatus wheel, when motor stops, brake component is retracted, and stabilizer is disengaged and discharged with convex block,

To which when motor operates, stabilizer is braked and locks the gear engaged, when motor shuts down, put down Weighing apparatus wheel is released, and discharges the gear engaged, and leads to the rotation of stabilizer with the rotation of stabilizer meshed gears, from And damping block and elastic arm open due to the effect of centrifugal force, and are pushed in the case where rotation speed is sufficiently fast by centrifugation It is pressed onto ring inner surface and rubs with it, realize the buffer function rotated to gear.

At the 7th aspect, the utility model provides a kind of linkage part, and the linkage part includes:

Pivot,

Aluminium circle gear, including aluminium circle and injection made gear, wherein injection made gear is integrated, and center has through-hole, is used for Aluminium circle gear is pivotally mounted on pivot, aluminium circle is " cup " type, including flat bottom and the cylinder extended from bottom Shape wall, bottom centre position are provided with through-hole, and wherein the outside of aluminium circle bottom is arranged in the gear parts of injection made gear, are molded tooth Another part of wheel extends through through-hole to the inside of aluminium circle bottom, and protrusion covers in aluminium circle bottom inside face, thus will Injection made gear is embedded into the through-hole of aluminium circle；And

Magnet steel wheel includes the magnet ring made of magnet and the injection molding body for being embedded in magnet ring center, and injection molding body center has logical Hole, for magnet steel wheel to be pivotally mounted to the pivot,

Wherein magnet steel wheel and aluminium circle gear are installed to be close to each other on pivot, so that the rotation of magnet steel wheel passes through electromagnetism Effect causes aluminium circle gear to rotate in the same direction with magnet steel wheel.

Such aluminium circle gear, since bottom surface is plane without pit, flushing technology process is simple, and size is more easily-controllable System.And aluminium circle gear mold insert injection mold summary, to reduce the manufacturing cost and drain motor quality of components Risk.

Preferably, the through-hole of aluminium circle bottom is non-circular.The structure for the through-hole being arranged in this way has the function of rotation stop, i.e., anti- The only opposite operating between injection molding body and aluminium circle.

Preferably, the injection molding body side of magnet steel wheel and magnet ring one end flush, and the side injection molding body end face middle section is in " recessed " type, the injection made gear at least partly accommodating aluminium circle gear extend to the intracorporal described another part of aluminium circle cup.The knot Structure more efficiently utilizes space, reduces the gap between aluminium circle cup body and magnet steel wheel.

Preferably, the through-hole both ends of the injection molding body of magnet steel wheel are provided with counterbore.Such arrangement can reduce drain motor The event for causing magnet ring operating to have some setbacks after generating wear debris after long-play and drain motor being caused to reply control system Barrier rate.

Preferably, magnet steel wheel is contained in the aluminium circle of aluminium circle gear, and the diameter of magnet steel wheel is slightly less than the internal diameter of aluminium circle, thus The fixed interval (FI) of very little can be formed between magnet steel wheel and aluminium circle gear in radial direction.

Preferably, the end of the injection made gear of aluminium circle gear extended in aluminium circle has protrusion, in assembled state Under against magnet steel wheel concave portion upper surface so that the upper surface of magnet steel wheel will not be with the bottom of the aluminium circle of aluminium circle gear Inner face is in contact.The structure makes the axial gap between aluminium circle cup body and magnet steel wheel more stable.

In eighth aspect, the utility model provides a kind of aluminium circle gear, including aluminium circle and injection made gear, wherein being molded tooth Wheel is integrated, and center has through-hole, and for aluminium circle gear to be pivotally mounted to pivot, aluminium circle is " cup " type, packet The cylindrical wall for including flat bottom and extending from bottom, bottom centre position are provided with through-hole, wherein the gear of injection made gear The outside of aluminium circle bottom is arranged in part, and another part of injection made gear extends through through-hole to the inside of aluminium circle bottom, and prominent It is covered in aluminium circle bottom inside face out, thus injection made gear is embedded into the through-hole of aluminium circle.

The feature of the first of the utility model to eighth aspect is equally applicable to other aspects or the feature with other aspects It combines.

Detailed description of the invention

It, hereinafter will be to the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing simply introduced.Wherein, attached drawing is used only for showing some embodiments of the utility model, rather than will be originally practical new The whole embodiments limited to this of type.In the accompanying drawings:

Fig. 1 and 2 shows the drain motor system of exemplary embodiment according to the present utility model respectively with different angle External view；

Fig. 3 shows the schematic diagram eliminated after cap according to the drain motor system of an exemplary embodiment；

Fig. 4 shows the decomposition view of the drain motor system according to an exemplary embodiment；

Fig. 5 shows the exploded view of the drain motor system according to an exemplary embodiment；

Fig. 6 shows internal cross section view when drain motor system is drawn；

Fig. 7 shows internal cross section view when drain motor system is kept；

Fig. 8 shows the exploded view of the reply control system of the drain motor system according to an exemplary embodiment；

Fig. 9 shows the schematic layout pattern of drain motor system；

Figure 10 shows the schematic illustration of the non-return component of clutch of embodiment according to the present utility model；

Figure 11 shows the schematic figure from bottom side of the non-return component of clutch of embodiment according to the present utility model Show；

Figure 12 shows the top view of the non-return component of clutch of Figure 10 and 11；

Figure 13 shows the three-dimensional view viewed from above of castle wheel and the non-return wheel of clutch；

Figure 14 shows the three-dimensional view of castle wheel and the non-return wheel of clutch observed from below；

Figure 15 shows the top view of castle wheel；

Figure 16 shows the three-dimensional view of stabilizer according to the present utility model；

Figure 17 shows the top views of stabilizer according to the present utility model；

Figure 18 shows the decomposition view of linkage part, and wherein the gear of aluminium circle gear is not shown；And

Figure 19 shows the cross-sectional view of linkage part.

Specific embodiment

In order to enable the purposes, technical schemes and advantages of the technical solution of the utility model are clearer, it hereinafter will knot The attached drawing for closing the utility model specific embodiment, is clearly and completely described the technical solution of the utility model embodiment. Identical appended drawing reference represents identical component in attached drawing.It should be noted that described embodiment is the utility model A part of the embodiment, instead of all the embodiments.Based on described the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the model of the utility model protection It encloses.

Unless otherwise defined, the technical term or scientific term used herein is should be in the utility model fields The ordinary meaning that personage with general technical ability is understood.Make in the utility model patent application specification and claims " first ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish Different component parts.Equally, the similar word such as "one" or " one " also not necessarily indicates quantity limitation." comprising " or The similar word such as "comprising" mean to occur element or object before the word cover the element for appearing in the word presented hereinafter or Person's object and its equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is simultaneously non-limiting It in physics or mechanical connection, but may include electrical connection, it is either direct or indirect."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, and after the absolute position for being described object changes, then this is opposite Positional relationship may also correspondingly change.

Referring to attached drawing 1-4, wherein Fig. 1 and 2 respectively with different angle show one according to the present utility model it is exemplary The external view of the drain motor system of embodiment, Fig. 3 show the drain motor system and eliminate the signal after cap 110 Figure, Fig. 4 show the decomposition view of the drain motor system.

From attached drawing as can be seen that drain motor system includes mainly including drain motor system shell 100, Traction Drive machine Structure 200 replys control system 300, synchronous motor system 400.

Drain motor system shell 100 is formed by the shell 120 and cap 110 being engaged with each other, synchronous with carrying to accommodate Electric system 400, traction drive mechanism 200 and reply control system 300, and protection is provided for it.

Synchronous motor system 400 is the traction drive mechanism 200 of drain motor system and the power for replying control system 300 Source, and support traction drive mechanism 200 and reply control system 300.

Traction drive mechanism 200 be drain motor system executing agency, under the drive of synchronous motor system 400 into Action is made, such as drives and keep external loading by traction rope 280, such as the valve of Drain Valve of Washing Machine.Work as synchronous motor When system 400 stops power output, traction drive mechanism 200 is replied by means of the power from external loading.

The control mechanism that control system 300 is drain motor system is replied, is used to control leading for traction drive mechanism 200 Draw and replys.

The exploded view of the traction drive mechanism 200 according to a specific embodiment is shown in detail in Fig. 5, and Fig. 6 and Fig. 7 show respectively Internal cross section view when having gone out motor traction and when motor is kept.Traction drive mechanism 200 include the non-return component 210 of clutch, Castle wheel 220, the non-return wheel 240 of pressure spring 230, clutch, planetary wheeling assembly 250 (including planet internal-gear 251, planetary gear 252, row Star spread out of gear 253), stabilizer 290, traction transition wheel 260, output wheel 270, traction rope 280.

The course of work of traction drive mechanism 200 is as follows.

Before traction, the non-return component 210 of clutch is in initial position, the lower convex platform and the non-return component 210 of clutch of castle wheel 220 A face contact.Due to the limitation of drain motor system shell 100, so that pressure spring 230 is compressed (as shown in Figure 6).In pressure spring Under the action of 230, castle wheel 220 is engaged with the non-return wheel 240 of clutch.

After electrical power, rotor assembly rotation replys control system 300 and works, so that replying the reset of control system 300 Wheel 380 rotates to the position for blocking stabilizer 290, rotate stabilizer 290 can not.In this way, the planet engaged with stabilizer 290 Internal gear 251 can not rotate.Meanwhile with electrical power, traction drive mechanism 200 also starts to act, and rotor drives castle wheel 220 rotations.At this point, the non-return component 210 of clutch in initial position engages castle wheel 220 with the non-return wheel 240 of clutch, and Planet internal-gear 251 is in static since it is engaged in static stabilizer 290, the transmission path of rotor torque are as follows: Non-return wheel 240 → planetary gear, the 252 → planet of 220 → clutch of castle wheel spreads out of gear 253 → traction 260 → output wheel of transition wheel 270, finally, output wheel 270 rotates, and the traction rope 280 by being fixed to the output wheel 270 is with dynamic load.

After output wheel 270 rotates to certain position, 270 driving lever of output wheel is collided with non-return 210 driving lever of component of clutch, is dialled The dynamic non-return component 210 of clutch rotates the non-return component 210 of clutch.Due to the rotation of the non-return component 210 of clutch, with castle wheel 220 contact surface from the face A through inclined-plane to the transition of the face B, so that the axial gap of castle wheel 220 and the non-return wheel 240 of clutch is gradually It increases.The final non-return component 210 of clutch turns to the second position (such as having rotated about 18 °), and pressure spring 230 is released (such as Fig. 7 institute Show) so that castle wheel 220 is no longer engaged with the non-return wheel 240 of clutch, movement transmitting is interrupted, and output wheel 270 shuts down. Meanwhile the non-return component 210 of clutch in the second position hooks the non-return wheel 240 of clutch by its hook, in this way, the non-return wheel of clutch 240, planet internal-gear 251, planetary gear 252 can not rotate, therefore output wheel 270 can not be supported and retract, drain motor system In hold mode.

It after motor power-off, replys control system 300 and resets, the reseting wheel 380 for replying control system 300 discharges stabilizer 290, stabilizer 290 and planet internal-gear 251 are rotated, therefore motor cannot keep load.It is defeated under the action of load Wheel 270 is driven out, and the driving lever of output wheel 270 rotates the non-return component 210 of clutch towards first position at this time, thus castle wheel 220 with non-return 210 contact surface of component of clutch by B towards the transition of the face A, pressure spring 230 is again because axial gap diminution is compressed.Clutch Non-return component 210 is rotated back to first position, and complete machine reply terminates.

The exploded view of the reply control system 300 according to a specific embodiment is shown in detail in Fig. 8.Reply control system 300 include non-return claw 310, non-return claw gear 320, and magnet steel axle tooth 340, magnet steel wheel 360, aluminium circle gear 370, is replied at torsional spring 350 Transition wheel 330, tension spring 390, reseting wheel 380.

Rotor assembly axis tooth is engaged with non-return claw gear 320, and non-return claw 310 is located at the lower section of non-return claw gear 320, and non-return Blade tooth wheel 320 is slidably connected.Non-return claw gear 320 is engaged with magnet steel axle tooth 340, and magnet steel wheel 360 passes through torsional spring 350 and magnet steel axis Tooth 340 is driven.Magnet steel wheel 360 is located inside aluminium circle gear 370, and the two upper surface cooperation contact, surrounding does not contact.Aluminium circle gear 370 engage with transition wheel 330 is replied, and the axis tooth for replying transition wheel 330 is engaged with reseting wheel 380.390 one end of tension spring and reseting wheel Hook connection on 380, the other end are connect with shell 120.Reseting wheel 380 is by sector gear and is integrally formed at sector gear one The braking parts of side are constituted.The braking parts can be aligned with the convex block of stabilizer and be matched, thus when braking parts and bump contact, It can prevent the rotation of stabilizer.

Torsional spring 350 is connected between magnet steel axle tooth 340 and magnet steel wheel 360.The rotation of rotary driving part directly or Connect driving magnet steel axle tooth rotation.Under the action of torsional spring 350 and magnet steel axle tooth 340, magnet steel wheel 360 is also rotated.Work as motor When stalling, torsional spring 350 can be buffered to still realizing in the magnet steel wheel of rotation 360.

In above-described embodiment, the magnet steel wheel 360 and aluminium circle gear 370 for replying control system constitute magnetic linkage part.? In other embodiments, linkage part initiative part and follower may include permanent magnetism-permanent magnetism, permanent magnetism-magnetic hysteresis, permanent magnetism-electromagnetism, electricity Magnetic-electromagnetism, magnetic inductive several types.In view of the drain control unit small volume for washing machine, therefore using similar In permanent magnetism-permanent magnetism host-guest architecture of permanent magnet clutch, the host-guest architecture of permanent magnetism-magnetic hysteresis host-guest architecture or magnetic inductive can To save electrical excitation, structure is simpler.It is highly preferred that due to control torque actually required and little, using magnetic inductive Host-guest architecture realize transmission and clutch, structure can be made more to simplify, required space is smaller.

The aluminium circle gear of embodiment according to the present utility model is also referred to as induction pieces.Induction pieces and magnet steel wheel 360 are respective It is connected to same pivot, and can be with the pivot coaxial rotating.The pivot can be made of metal material (for example, iron).Magnetic Steel wheel is made of permanent magnet material, and induction pieces can be made of copper or aluminium.When magnet steel wheel high speed rotation, induction pieces cut magnetic The magnetic line of force of steel wheel 360 generates vortex, is vortexed the induced magnetic field of generation and the permanent magnetism field interactions of magnet steel wheel 360, then produces Raw interaction force, the active force drive induction pieces to be rotated with direction identical with 360 direction of rotation of magnet steel wheel.

Optionally, magnet steel axle tooth is directly connected to magnet steel wheel, by rotary driving part rotation directly or driving magnet steel Axis tooth spiral turns, so that magnet steel wheel be driven to rotate.

The course of work for replying control system 300 is as follows.

After electrical power, rotor drives non-return claw gear 320, drives magnet steel by magnet steel axle tooth 340, torsional spring 350 360 rotation of wheel, to generate magnetic field swirling force, to drive aluminium circle gear 370, aluminium circle gear 370 is via reply 330 band of transition wheel Dynamic reseting wheel 380 rotates, so that reseting wheel 380 blocks the stabilizer 290 of traction drive mechanism 200, so that traction drive mechanism 200 can carry out drawing-in motion as previously described.It is fixed on the sector of the pinion gear rotation driving reseting wheel on aluminium circle gear 370 Gear rotates it under the reset force effect for overcoming elasticity recovery part, so that the bump contact of braking parts and stabilizer, prevents The rotation of stabilizer.

After motor power-off, rotor stops rotating, and magnet steel axle tooth 340 also stops operating.The magnet steel wheel driven by magnet steel axle tooth 360 are also in halted state therewith.Since magnetic field swirling force disappears, so that replying the reseting wheel 380 of control system 300 by tension spring 390 power return back to initial position.Simultaneously because the braking parts of reseting wheel 380 relieve the constraint of the convex block to stabilizer 290, balance Wheel 290 can rotate freely, so that the rim gear wheel of planetary gear train is in rotatable state.So that traction drive mechanism 200 under the action of the reset force of spool itself, the buffering of output wheel, output transition wheel and planetary gear construction in stabilizer Under rotate smoothly, make traction drive mechanism back to original state, valve also therefore Quick-return to closed state.

Similarly, it when unexpected power-off, can be automatically reverted to just according to the drain control unit of the utility model embodiment Beginning state, valve can also be with quick closedowns.

Since system parts quantity is more, structure is complicated, by proposing a kind of overall compact cloth to systematic research Office.Shell includes traction rope outlet, and traction rope passes through traction rope outlet and extends to drain motor exterior.As shown in figure 9, Perpendicular in the plane of motor output shaft, using the line of traction rope outlet and the motor centre of gyration as Y-axis, with perpendicular to Y-axis simultaneously Line by the motor centre of gyration is that X-axis constructs coordinate system, the output wheel, planetary gear train and linkage part (magnet steel wheel and Aluminium circle gear) along motor output shaft axial direction projection on this plane be located at first quartile in the coordinate system and Fourth quadrant and the second quadrant.Such layout will be so that two parts (trip(ping) lever and non-return must will be used in the prior art Bar) structure, be adjusted to only the structure of a part to be needed just to be able to satisfy the functional requirement of drain motor；Both reduce zero in this way Number of packages amount, reduces costs, and greatly improves transmission accuracy because reducing transmission number of packages.

Figure 10 shows the schematic illustration of the non-return component 210 of clutch of embodiment according to the present utility model.Figure 11 shows The schematic illustration from bottom side of the non-return component 210 of clutch of embodiment is gone out.

As shown in Figure 10, the non-return component 210 of clutch includes axis hole 2101, for the non-return component 210 of clutch is pivotable It is installed to pivot.The non-return component 210 of clutch includes extending from axis hole 2101: clutch arm is stopped for realizing castle wheel and clutch Clutch between inverse wheel；Non-return arm is prevented for engaging the non-return wheel of clutch when the non-return wheel of castle wheel and clutch is in discrete state The only non-return wheel reversion of clutch；And driving lever 2106, for dialling when output wheel 270 turns to an angle and on output wheel 270 Bar cooperation, stirs the non-return component 210 of clutch, realizes clutch system from being joined to separation and non-return transformation.

Clutch arm successively includes along the circumferential direction the first contact surface A towards non-return arm in the end far from axis hole 2101, Inclined-plane and the second contact surface B.First contact surface A is in axial direction higher than the second contact surface B, and inclined-plane is connected to the first contact surface A And second between contact surface B.Inclined-plane 2102 and the angle of the second contact surface B are 140 °.It is preferred that the angular range at 120 ° extremely Between 160 °.Non-return arm outwardly and upwardly extends to a height from axis hole 2101, and end has grab 2105, the height So that grab and the non-return wheel of clutch are in same level (axial position) when the second contact surface B supports non-return wheel.Driving lever is band The trapezoidal column form of fillet this configuration avoids because of deformation problems caused by injection moulding process and loading process, and then improves The service life of drain motor.Arcuate socket 2107, arcuate socket are provided at the clutch arm end position of the non-return component 210 of clutch 2107 are arranged with axis hole 2101 with center.Pin on arcuate socket 2107 and substrate cooperates.In embodiment, such as Figure 12, arcuate socket 2107 pair angle be 18 °, that is to say, that the clutch pivotable angle of non-return component 210 be 18 °.

As previously mentioned, clutch arm, non-return arm and driving lever all extend from axis hole 2101.And as shown in figure 12, clutch arm with dial Bar generally angle [alpha], the angle is 97 ° in the present embodiment.It is preferred that the angle c is between 60 ° to 120 °.Non-return arm is set Set in the other side of clutch arm, and with clutch arm generally angle beta, in the present embodiment the angle be 39 °.It is preferred that the angle beta Range is between 30 ° to 50 °.Angle [alpha] and β are measured since arcuate socket 2107 is near one end of driving lever.

As previously mentioned, in the assembled state, clutch arm reaches the lower section of castle wheel, clutch non-return component when motor just starts 210 are in initial position, contact support castle wheel in the initial position the first contact surface A, and overcome the elastic force of pressure spring 230 will Castle wheel 220 is pushed the non-return wheel 240 of clutch to and is engaged with the non-return wheel of clutch.Thereafter, as the rotation of output wheel 270 leads to its driving lever The non-return component 210 of clutch is stirred to disengaged position, the first contact surface A is rotated away from castle wheel 220, and castle wheel 220 is via inclined-plane 2102 slide on the second contact surface B, and are supported by the second contact surface B, since the second contact surface B is lower than the first contact surface A, from Wheel 220 and the non-return wheel 240 of clutch are closed under the action of pressure spring 230 from separated from each other, to be disengaged.Meanwhile clutch stops Non-return arm on inverse component 210 is pivoted close to the non-return wheel 240 of clutch, and the grab 2105 of non-return arm end and clutch are non-return Non-return structure cooperation on wheel prevents the non-return wheel rotation of clutch.

On non-return 210 bottom side of component of clutch, the radially inner side of arcuate socket 2107 and outside are respectively arranged with convex ribs 2108, Convex ribs extend along circumferential direction.Convex ribs reduce the frictional force of clutch non-return component 210 and substrate as a result, are conducive to control row The stability of hydroelectric machine noise and the clutch structure.

Figure 13 shows the three-dimensional view viewed from above of castle wheel 220 and the non-return wheel 240 of clutch.Figure 14 show from Close the three-dimensional view of wheel 220 and the non-return wheel 240 of clutch observed from below.Figure 15 shows the top view of castle wheel 220.

Castle wheel 220 includes two cantilevers 2202 perforated and be arranged in perforation, and the cantilever is substantially along identical week Extend to direction.The end of each cantilever 2202 is provided with pawl 2204.Pawl 2204 is the right angle gradually thickeied towards end Triangular form, wherein the circumferential end faces of pawl are perpendicular to bottom surface, that is to say, that circumferential end faces are in substantially parallel relationship to axial direction.

Cantilever pair angle between 90 degree to 120 degree, in the present embodiment cantilever radially inward edge institute to angle a About 94 °, radially outward edge is about 109 ° to angle b.The width of cantilever is gradually increased from end to root.In the present embodiment In, the radially outward edge eccentric setting of cantilever 2202 is to increase the width of root, to reinforce the intensity of the cantilever beam root.Cantilever Root width d value is between the 1/5 to 1/3 of cantilever arc length；The ratio of pawl width c value and cantilever root width d value 1/2 to Between 1, preferred ratio 3/5.

There are six pawls for the setting of clutch 240 bottoms of non-return wheel, are along the circumferential direction angularly distributed.The non-return wheel 240 of clutch Pawl is set as straight flange on one side, for being meshed with the straight flange of the pawl end of castle wheel 220.

In operation, when castle wheel 220 is static, traction rope by load pulling force pull out, at this time the driving lever of output wheel 270 with from The driving lever phase separation for closing bar 210 rotates counterclockwise trip(ping) lever 210, makes the axially non-return wheel 240 of fitting clutch of castle wheel 220.Cause Castle wheel position is indefinite, and any of the pawl of the non-return wheel 240 of clutch may be pushed up at the top of two elastic pawls of castle wheel 220 Position, but because the pawl of castle wheel 220 is cantilever type elastic structure, can appropriate deflection deformation, frictional resistance is small.In draining electricity After castle wheel 220 rotates when machine is powered, two elastic pawls of castle wheel rotate, and along the pawl of the non-return wheel 240 of clutch, slide into The most deep of the pawl of the non-return wheel 240 of clutch, so that the pawl of the non-return wheel 240 of clutch is meshed with the pawl of castle wheel 220, from It closes non-return wheel 240 and is driven by castle wheel 220 and rotated.

Figure 16 shows the three-dimensional view of stabilizer according to the present utility model；Figure 17 shows according to the present utility model The top view of stabilizer.

Stabilizer 290 is integrated injection structure.Stabilizer includes cylindrical body, is provided on body axis logical Hole, for being pivotally mounted to pivot.Main body upper end diameter is oppositely disposed there are two elastic arm 2902.Elastic arm 2902 end is connected respectively to damping block 2904.From in top view, main body, elastic arm 2902 and the formation of damping block 2094 Substantially " S " shape moulding.Angle γ is formed on the inside of elastic arm 2902 and damping block, forms angle η with outside, γ setting is about η's Between 1/2~3/4, preferably 3/5, to guarantee the good elasticity of elastic arm.2904 upper surface of damping block is provided with convex ribs 2906, The entire upper surface of damping block and shell generate friction when for inhibiting damping block to upwarp deformation, and unstable wear and resistance are excessive Drain motor is caused to fail.Convex block 2908 is provided with below at the position of main body setting elastic arm, convex block 2908 and reply are controlled Brake component on the reseting wheel 380 of system processed matches.Gear is also integrally formed in main body, for the ring tooth with planetary gear train Take turns the tooth engagement on outer ring.Under assembled state, at least elastic arm 2902 of stabilizer 290 and the setting of damping block 2904 is from shell In inwardly projecting ring.

As previously mentioned, when motor operating when, stabilizer 290 by reseting wheel 380 braking without being able to rotate, further make The rim gear wheel for obtaining planetary gear train is not able to rotate.When motor shuts down, reseting wheel 380 resets under the action of the spring, release Stabilizer 290, and then discharge rim gear wheel.Drain motor system 200 is output wheel, defeated under the action of the reset force of spool itself Transition wheel and planetary gear construction rotate smoothly under the buffering of stabilizer out, and drain motor system is made to return to original state, Valve also therefore Quick-return to closed state.During this, buffering is realized in the following manner.Stabilizer 290 is with planet The rim gear wheel of gear train rotates together.Under the action of the centrifugal force, damping block 2904 drives elastic arm 2902.If stabilizer 290 Revolving speed it is excessive, then damping block 2904 will under the action of the centrifugal force against from shell protrude inwardly from loop surface friction, control The rotation speed of stabilizer 290, and then buffering is realized for whole system.

Figure 18 shows the decomposition view of linkage part, and wherein the gear of aluminium circle gear is not shown；Figure 19 shows linkage The cross-sectional view of component.

In one embodiment, the induction pieces of linkage part are aluminium circle gear 370.Aluminium circle gear 370 includes aluminium circle 3702 With injection made gear 3704.Aluminium circle 3702 is " cup " type, including flat bottom, and the cylindrical wall extended from bottom.In bottom Heart position is provided with through-hole.3702 flushing technology process of aluminium circle is simple as a result, and size is easier to control, and process capability is guaranteed. Injection made gear 3704 is integrated, and center has through-hole, for being pivotally mounted to pivot.The gear of injection made gear 3704 The outside of 3702 bottom of aluminium circle is arranged in part, and another part of injection made gear 3704 extends through through-hole to 3702 bottom of aluminium circle Inside, and protrusion cover in 3702 bottom inside face of aluminium circle.That is, injection made gear 3704 is embedded into aluminium circle 3702 Through-hole, wherein the gear parts of injection made gear 3702 and the another part clamp aluminium circle.Through-hole is non-circular, therefore is had only The effect turned prevents the opposite operating between injection made gear 3704 and aluminium circle 3702, thus reduce the manufactures of components at Sheet and drain motor quality risk.

Magnet steel wheel 360 includes magnet ring 3602 and the injection molding body 3604 for being embedded in magnet ring center, and 3604 center of injection molding body has Through-hole.3604 side of injection molding body and 3602 one end flush of magnet ring, and the 3604 end face middle section of side injection molding body is in " recessed " type, The intracorporal described another part of aluminium circle cup is extended at least partly accommodating injection made gear 3704.The through-hole two of injection molding body 3604 End is provided with counterbore, is generated with to reduce drain motor after long-play cause after wear debris magnet ring operate have some setbacks and Drain motor is caused to reply the failure rate of control system.

In the assembled state, magnet steel wheel 360 is contained in the aluminium circle 3702 of aluminium circle gear 370.Aluminium circle gear 370 and magnet steel Wheel 360 is respectively connected on same pivot, and can pivot with respect to this.The pivot can use metal material (for example, iron) It is made.The diameter of magnet steel wheel 360 is slightly less than the internal diameter of aluminium circle 3702, thus can be in radial direction in magnet steel wheel 360 and aluminium circle The fixed interval (FI) of very little is formed between gear 370.The end tool of the injection made gear 3704 of aluminium circle gear 370 extended in aluminium circle There is protrusion, in the assembled state against the upper surface of the concave portion of magnet steel wheel 360, so that the upper surface of magnet steel wheel 360 It will not be in contact with the inner face of the bottom of the aluminium circle 3702 of aluminium circle gear.Magnet steel wheel and aluminium circle gear 370 are set as a result, It will not be in contact and rub substantially when rotation.Magnet ring 3602 is made of permanent magnet material.When 360 high speed rotation of magnet steel wheel, The aluminium circle of aluminium circle gear, to generate vortex, is vortexed the induced magnetic field of generation with the magnetic line of force of radially fixed gap cutting magnet steel wheel With the permanent magnetism field interactions of magnet steel wheel, interaction force is then generated, which drives aluminium circle gear to revolve with magnet steel wheel Turn the identical direction in direction to be rotated.

Preferably, two transmission transition wheels are set between the pinion gear of induction pieces and the sector gear of reseting wheel, this two A transmission transition wheel can play the role of deceleration, to control the velocity of rotation of reseting wheel.

Embodiment according to the present utility model, transmission parts may include one or more transition gears or gear set, example Such as, output transition wheel, transmission transition wheel etc..Optionally, these transition gears (group) are used as reduction gearing (group).It is practical according to this The drain control unit of new embodiment can not also include transmission parts.

In a preferred embodiment, the pawl of castle wheel be right angled triangle form, however this it is not necessary to, pawl It can be any form appropriate, as long as it can engage and be driven with the corresponding pawl in the non-return wheel of clutch.

Traction device according to the present utility model is effectively combined drain motor mechanical structure mode with drain valve；Control Part uses mechanical gear structure, and being acted on when reply by valve body inner spring can be achieved Quick-return, effectively solution sealing performance Poor problem；Valve couples rotatable manner movement with motor, can also linear fashion movement；Pure mechanical gear structure, oncontacting Point structure is avoided and is failed caused by contact carbonization problem, it is only necessary to control synchronous motor, drain valve can be completed Draining, water stopping function, do not need extra control mode.

The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention It encloses, the protection scope of the utility model is determined by the attached claims.

The demonstration for the drain motor system that the utility model is proposed is described in detail above in reference to preferred embodiment Property embodiment, however it will be appreciated by those skilled in the art that under the premise of without departing substantially from the utility model theory, it can be right Above-mentioned specific embodiment makes a variety of modifications and remodeling, and can to the utility model proposes various technical characteristics, structure into Row multiple combinations, and without departing from the protection scope of the utility model.

Claims (12)

1. a kind of input component of clutch, the input component be it is pivotable, receive input torque and with clutch Can be transmitted in the case where the output engagement of structure torque to clutch output, which is characterized in that the input component includes:

At least one perforation；With

At least one cantilever, each to be arranged in respective perforations, the cantilever extends substantially along identical circumferential direction, each outstanding The end of arm is provided with pawl, for the click-fit on output, so that the cantilever and detent mechanism on input component are being matched It can suitably bend during conjunction to promote to cooperate.

2. the input component of clutch as described in claim 1, which is characterized in that the number of pawls on input component is less than or equal to Number of pawls on output.

3. the input component of clutch as described in claim 1, which is characterized in that the pawl of input component be towards end gradually The right angled triangle form of thickening, wherein the circumferential end faces of pawl are perpendicular to bottom surface.

4. the input component of clutch as claimed any one in claims 1 to 3, which is characterized in that cantilever pair angle Between 90 degree to 120 degree.

5. the input component of clutch as claimed in claim 4, which is characterized in that the radially inward edge of cantilever is to angle 94 °, radially outward edge institute is 109 ° to angle.

6. the input component of clutch as claimed any one in claims 1 to 3, which is characterized in that the width of cantilever is from end Portion is gradually increased to root.

7. the input component of clutch as claimed in claim 6, which is characterized in that the radially outward edge eccentric setting of cantilever with Increase the width of root.

8. the input component of clutch as claimed any one in claims 1 to 3, which is characterized in that cantilever root width value Between the 1/5 to 1/3 of cantilever arc length.

9. the input component of clutch as claimed any one in claims 1 to 3, which is characterized in that pawl width value and outstanding The ratio of arm roots width value is between 1/2 to 1.

10. the input component of clutch as claimed in claim 9, which is characterized in that the ratio is 3/5.

11. a kind of clutch, which is characterized in that the clutch includes such as any one of preceding claims 1 to 10 institute The input component stated, the engagement of He Keyu input component and isolated output.

12. a kind of drain motor system, which is characterized in that the drain motor system includes clutch as claimed in claim 11 Mechanism.