CN206986534U - The clutch and washing machine of washing machine - Google Patents

Abstract

Washing machine field is the utility model is related to, discloses the clutch and washing machine of a kind of washing machine, the clutch includes：Driving lever (6), shifting fork device, input shaft (11), input axle sleeve (12) and clutch axle sleeve (5)；Driving lever (6) and shifting fork device are arranged to doing lever motion in the vertical plane parallel to input shaft (11) axis direction perpendicular to the horizontal rotation in surface of input shaft (11) axis direction come shift fork device by driving lever (6), so as to drive clutch axle sleeve (5) axial movement to realize the synchronized rotation of input axle sleeve (12) and input shaft (11) under the differential speed rotation or dehydration condition of the input axle sleeve (12) and input shaft (11) under washing operating mode.Technical scheme provided by the utility model simplifies the structure of clutch, reduces the axial dimension of clutch, and the washing capacity of washing machine is added under conditions of washing machine constancy of volume.

Description

The clutch and washing machine of washing machine

Technical field

Washing machine field is the utility model is related to, more particularly to a kind of clutch of washing machine, further, this practicality It is new to further relate to a kind of washing machine with the clutch.

Background technology

The important composition part washing machine transmission system (i.e. speed-reducing clutch) of washing machine is used for the elution for realizing washing machine Change working, it has transmission, deceleration, clutch, four big functions of brake.The clutch mode of the speed-reducing clutch of existing washing machine Mainly have and embrace two kinds of spring clutch mode and tooth engagement clutch mode.

Traditional spring clutch mode of embracing holds and unscrewed torque transmissioning shaft tightly and cover by click link gear drive side silk spring Realize that elution washes, typically realize brake and the positive and negative rotation stopping function of interior bucket by brake ribbon and unilateral bearing.This friction clutch side Formula can not be applied to high-capacity washing machine, complicated, fitment stability is poor, clutch work is unreliable, and driving torque be present It is small, braking moment is unstable, washing braking when have the defects of noise, brake spring easy fracture.

Traditional tooth engagement clutch mode slides up and down by clutch driving clutch axle sleeve drives clutch tooth engagement or de- Conversion and interior bucket rotation stopping function are eluted to realize, brake ribbon and unilateral bearing can be cancelled, overcomes and embraces a spring clutch, brake ribbon Most of shortcomings that application with unilateral bearing is brought, suitable for large capacity and high torque washing machine.

Lever shift fork clutch is a kind of common clutch form of tooth engaged clutch, typically by being fixed on installation The first fluted disc on support, the second fluted disc being fixed in driving source, the clutch being connected to by spline slide in input axle sleeve The drive mechanism of axle sleeve, the shifting fork device being rotatably connected with mounting bracket and shifting fork device is formed.Pass through driving machine during clutch Structure drives shifting fork device parallel to the upward perpendicular internal rotation of clutch shaft, so as to drive clutch axle sleeve to move up and down, Complete the engagement with first, second fluted disc clutch tooth or separate to realize elution conversion.

Existing lever tooth engages clutch, and the clutch driving mechanism structure that in general is used for activation lever is more multiple Miscellaneous, part is various, and some also need to set single motor or guiding mechanism to complete clutch action；Axial dimension designs It is not compact enough, clutch axial space is wasted, washing capacity is reduced in the case of washing machine constancy of volume；When shift fork assembles Contact position is unadjustable, to ensure clutch reliability, requires higher to the manufacture between mechanism building block and assembly precision, Add cost；Clutch tooth design is unreasonable, hardly enters engagement, gearing noise is big；Part designs redundancy, causes space With the dual waste of material.

Utility model content

The purpose of this utility model is to overcome drawbacks described above existing for prior art, there is provided one kind can increase laundry The washing capacity of machine, simplify the structure of clutch, reduce the skill scheme of washing machine cost.

To achieve these goals, the utility model first aspect provides a kind of clutch of washing machine, the clutch Mechanism includes：Driving lever, shifting fork device, input shaft, input axle sleeve and clutch axle sleeve；

Wherein, the driving lever and the shifting fork device are arranged to by the driving lever perpendicular to the input shaft axis side To horizontal rotation in surface drive the shifting fork device to make lever in the vertical plane parallel to the input shaft axis direction Motion, so as to drive the clutch axle sleeve axial movement to realize the input axle sleeve and the input shaft washed under operating mode The synchronized rotation of the input axle sleeve and the input shaft under differential speed rotation or dehydration condition.

Preferably, the clutch also includes the brake disc being fixedly connected with the input axle sleeve, and the driving lever is hanging down Directly in the horizontal rotation in surface in the input shaft axis direction to brake or drive the shifting fork device when unlocking the brake disc Lever motion is done in the vertical plane parallel to the input shaft axis direction, so as to drive the clutch axle sleeve to move axially； And/or

One end of the shifting fork device contacts with the driving lever, and the other end contacts with the clutch axle sleeve, described will dial Rotation of the bar in the horizontal plane perpendicular to the input shaft axis direction is converted into parallel to the input shaft axis direction Vertical plane in lever motion, so as to drive the clutch axle sleeve to move axially.

Preferably, the side of the close shifting fork device of the driving lever is oriented to formed with clutch spigot surface, the clutch Face directly contacts horizontal by slanted angle and with the shifting fork device, so that the driving lever passes through when rotating in the horizontal plane The clutch spigot surface drives the shifting fork device to do lever motion in the vertical plane perpendicular to the horizontal plane.

Preferably, the shifting fork device includes shift fork and the regulating part on the shift fork, one end of the shift fork Directly contacted positioned at the lower section of the clutch spigot surface and by the regulating part with the clutch spigot surface；The shift fork it is another One end is located at the lower section of the clutch axle sleeve and contacted with the clutch axle sleeve to drive the clutch axle sleeve to move axially.

Preferably, the shift fork includes actuating arm, clutch plate and the linking arm for connecting the actuating arm and the clutch plate； The clutch plate is located at the lower section of the clutch axle sleeve and corresponds to the stopper slot in the clutch axle sleeve formed with lug boss；It is described The regulating part is installed on actuating arm；The linking arm is bent over arms；The linking arm and the actuating arm and it is described from The connecting portion of Moving plate is with arc transition.

Preferably, the regulating part includes adjusting screw and nut, and one end of the shift fork offers screwed hole, the tune Section screw is screwed in the screwed hole, and the nut is screwed in the adjusting screw to position the adjusting screw；And/or institute It is sheet metal component to state shift fork.

Preferably, it is described formed with mounting groove on one end end face of the direction of the adjusting screw clutch spigot surface The spheroid (802) for contacting the clutch spigot surface is fixed with mounting groove.

Preferably, the clutch also includes housing, and the brake disc is arranged in the housing；The driving lever pivot joint It can be rotated on the housing and in the horizontal plane around the pivot pin parallel to the input shaft axis direction；The shifting fork device It is articulated on fixed support on the housing and can be around the shifting fork pin perpendicular to the input shaft axis direction vertical Lever motion is done in face.

Preferably, the housing is cylindrical housings of the center bottom formed with bearing mounting hole；Installed in the bearing The bottom cycle surface of bearing in mounting hole is concordant with the bottom end face of the housing, the inner ring of the bearing and the input Axle sleeve is fixedly connected；And/or the housing bottom edge corresponds to the shifting fork device and avoids mouth formed with shifting fork device.

Preferably, the support is fixed on the position of the close shifting fork device avoidance mouth of the housing, and the branch The pivot pin is corresponded on frame and offers pivot pin positioning hole；And/or the support is sheet metal component.

Preferably, the housing bottom is fixed with the first fluted disc, and first fluted disc has the first clutch teeth portion；The input The bottom of axle is coaxially fixed with the second fluted disc, and second fluted disc has the second clutch teeth portion；The clutch axle sleeve passes through splined hole It is slidably connected with the input axle sleeve；The side of direction first fluted disc of the clutch axle sleeve is formed with can be with described 3rd clutch teeth portion of one clutch teeth portion engagement；The side of direction second fluted disc of the clutch axle sleeve is formed with can be with 4th clutch teeth portion of the second clutch teeth portion engagement；

Wherein, when the washing machine is in washing operating mode, the first clutch teeth portion engages with the 3rd clutch teeth portion, The second clutch teeth portion and the 4th clutch toothed portion from；When the washing machine is in dehydration condition, second clutch Teeth portion engages with the 4th clutch teeth portion, the first clutch teeth portion and the 3rd clutch toothed portion from.

Preferably, the side of the direction housing of first fluted disc correspond to respectively the housing bottom positioning hole and Screwed hole corresponds to the mounting hole and formed formed with alignment pin and mounting hole, the side of the housing backwards of first fluted disc There is positioning boss；And/or first fluted disc backwards to the housing side respectively along ring circumferential direction and be formed radially plus Strengthening tendons；And/or the outward flange position of first fluted disc corresponds to the shifting fork device and avoids mouth formed with shifting fork device.

Preferably, the side of the direction of the clutch axle sleeve first fluted disc is same is centrally formed with lightening grooves, described to subtract Clutch stage clip is installed in Baking soda.

Preferably, the first clutch teeth portion, the second clutch teeth portion, the 3rd clutch teeth portion and the described 4th Tooth in clutch teeth portion is stairstepping tooth, to improve the joggled strength of tooth and reduce the gearing noise of tooth.

The utility model second aspect provides a kind of washing machine, including clutch, and the clutch is that this practicality is new The clutch of washing machine described in type first aspect.

Technical scheme provided by the utility model has the advantages that：

Clutch provided by the utility model is by driving lever rotation in the horizontal plane come shift fork device vertical Lever motion in face, clutch axle sleeve axial movement is driven to realize washing machine when shifting fork device does lever motion in vertical plane Dehydration/washing change working, by the way that the lever motion be converted in vertical plane in horizontal plane can be reduced into clutch The axial dimension of structure, the washing capacity of washing machine is added under conditions of the constancy of volume of washing machine；In addition, directly by logical Driving lever shift fork device in the case of often as brake arm, without being separately provided baroque shifting fork device drive mechanism, The structure of clutch is simplified, reduces the cost of manufacture of washing machine.

Brief description of the drawings

Fig. 1 is a kind of washing operating mode front view of embodiment of the utility model clutch；

Fig. 2 is a kind of washing operating mode right view of embodiment of the utility model clutch；

Fig. 3 is a kind of washing operating mode explosive view of embodiment of the utility model clutch；

Fig. 4 is a kind of dehydration condition rearview of embodiment of the utility model clutch；

Fig. 5 is a kind of support schematic diagram of embodiment of the utility model；

Fig. 6 is a kind of clutch axle sleeve schematic diagram of embodiment of the utility model；

Fig. 7 is a kind of housing bottom schematic diagram of embodiment of the utility model；

Fig. 8 is a kind of shifting fork device exploded perspective view of embodiment of the utility model；

Fig. 9 is a kind of schematical top view of the first fluted disc of embodiment of the utility model；

Figure 10 is a kind of bottom schematic view of the first fluted disc of embodiment of the utility model.

Label declaration in figure：1-housing；2-support；3-the first fluted disc；4-the second fluted disc；5-clutch axle sleeve；6— Driving lever；7-shift fork；8-adjusting screw；9-nut；11-input shaft；12-input axle sleeve；13-brake ribbon component；14— Brake disc；15-end ring；16-bearing；21-shifting fork pin；22-pivot pin；23-brake pin；24-the first torsion spring；25— Second torsion spring；26-clutch stage clip；101-bearing mounting hole；102-positioning hole；103-screwed hole；104-shifting fork device is kept away Allow mouth；201-pivot pin positioning hole；301-the first clutch teeth portion；302-alignment pin；303-mounting hole；304-shifting fork device Avoid mouth；305-positioning boss；306-reinforcement；401-the second clutch teeth portion；501-the three clutch teeth portion；502-the Four clutch teeth portion；503-lightening grooves；601-clutch spigot surface；602-drive division；701-actuating arm；702-linking arm； 703-clutch plate；704-otic placode；705-screwed hole；706-lug boss；801-screw body；802-steel ball.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Obviously Ground, the embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the utility model, and it is not intended that right Limitation of the present utility model.

In the description of the utility model embodiment, it is to be understood that term " on ", " under ", "left", "right" " top ", The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just Described in description the utility model embodiment and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second " etc. is only used for describing purpose, and it is not intended that instruction or imply relative importance or it is implicit indicate it is indicated Technical characteristic quantity.Thus, can be expressed or implicitly include by defining the similar characteristics such as " first ", " second " by one Or more this feature.

Fig. 1-Figure 10 is referred to, the utility model embodiment first aspect provides a kind of clutch of washing machine, described Clutch includes：Driving lever 6, shifting fork device, input shaft 11, input axle sleeve 12 and clutch axle sleeve 5；

Wherein, the driving lever 6 and the shifting fork device are arranged to by the driving lever 6 perpendicular to the axle of input shaft 11 The horizontal rotation in surface in line direction drives the shifting fork device in the vertical plane parallel to the axis direction of input shaft 11 Lever motion is done, to drive the clutch axle sleeve 5 to move axially by the shifting fork device and described in realizing under washing operating mode The input axle sleeve 12 and the input shaft 11 under the differential speed rotation or dehydration condition of input axle sleeve 12 and the input shaft 11 Synchronized rotation.

Specifically, the input shaft 11 is used for the impeller for being fixedly connected with washing machine, and can be in the effect of external drive source Impeller is driven to rotate to wash clothing under power.

The input axle sleeve 12 is set in outside the input shaft 11, and is relatively fixed with the interior bucket of washing machine, works as laundry When machine is in washing operating mode, the input shaft 11 rotates and input axle sleeve 12 does not rotate, and washing machine inner tub does not turn；At washing machine When dehydration condition, input axle sleeve 12 rotates at the same speed with input shaft 11, and washing machine inner tub rotates with impeller, for clothes to be taken off Water.

Driving lever 6 be generally used in the presence of driver the horizontal rotation in surface perpendicular to the axis direction of input shaft 11 with Locking braking disk 14 is braked, or releases brake disc 14 and rotates.

Clutch axle sleeve 5 is set in outside input axle sleeve 12, and can be moved axially to realize the dehydration of washing machine/washing operating mode Conversion.

Shifting fork device contacts with clutch axle sleeve 5, for driving clutch axle sleeve 5 to move axially.

The present embodiment by by driving lever 6 horizontal plane be converted into lever motion of the shifting fork device in vertical plane come Driving clutch axle sleeve 5 moves axially the dehydration/washing change working for realizing washing machine, reduces the axial dimension of clutch, The washing capacity of washing machine is added under conditions of washing machine constancy of volume；In addition, directly by being used as braking under normal circumstances The shift fork device of driving lever 6 of arm, without being separately provided baroque shifting fork device drive mechanism, simplifies clutch Structure, reduce the cost of manufacture of washing machine.

Refering to Fig. 1 and Fig. 4, in the clutch with mechanical brake, clutch also includes and the input axle sleeve 12 brake discs 14 being fixedly connected, the driving lever 6 can be in the horizontal rotation in surface perpendicular to the axis direction of input shaft 11 To brake or unlock the brake disc 14, while also realize the driving effect to shifting fork device.

Specifically, the week of the brake disc 14 is provided with brake ribbon component 13, the driving lever 6 and brake ribbon group to the periphery Part 13 is connected, and the driving lever 6 has drive division 602, and the drive division 602 of the driving lever 6 is driven to described by driver Driving lever 6 rotates in the horizontal plane, to cause the brake ribbon component 13 holds brake disc 14 tightly to realize braking disc 14, or makes Obtain the brake ribbon component 13 and loosen the realization of the brake disc 14 unblock brake disc 14.Wherein, the braking of the brake disc 14 or Unblock is realized by the different rotation directions of driving lever 6 in the horizontal plane.

In order to drive the shifting fork device to drive clutch axle sleeve 5 axially to move up and down, one end of the shifting fork device Contacted with the driving lever 6, the other end contacts with the clutch axle sleeve 5, by the driving lever 6 perpendicular to the input shaft 11 The lever being converted into the vertical plane parallel to the axis direction of input shaft 11 fortune in the horizontal plane of axis direction Dynamic, the shifting fork device drives the clutch axle sleeve 5 to move axially when doing lever motion in vertical plane.

Preferably, the lever fortune that the driving lever 6 may be configured as following structure to drive the shifting fork device in vertical plane It is dynamic.

Refering to Fig. 3 and Fig. 4, the driving lever 6 close to the side of the shifting fork device formed with clutch spigot surface 601, it is described Clutch spigot surface 601 directly contacts horizontal by slanted angle and with the shifting fork device, forms planar contact pair or curved surface pair.When When the driving lever 6 rotates in the horizontal plane, shifting fork device directly contacts with clutch spigot surface 601 all the time, due to clutch spigot surface 601 horizontal by slanted angle, therefore the shifting fork device can be driven to do lever motion in vertical plane.This set profit With driving lever 6 brake or unlock brake disc 14 when linkage driving shifting fork device, simplify clutch structure.Preferably, the clutch Angle between spigot surface 601 and horizontal plane is no more than 45 °.

According to a kind of embodiment of the present utility model, the clutch of stating also includes housing 1, and the brake disc 14 is installed In the housing 1；The driving lever 6 is articulated on the housing 1 and can be around parallel to the axis direction of input shaft 11 Pivot pin 22 rotates in the horizontal plane；The shifting fork device is articulated on the support 2 being fixed on the housing 1 and can be around vertical Lever motion is done in vertical plane in the shifting fork pin 21 of the axis direction of input shaft 11.

Specifically, refering to Fig. 7.To improve structural compactness, the housing 1 can be cylindrical housings 1, the bottom of housing 1 Middle part can directly be fitted in bearing installation formed with bearing mounting hole 101, the indent of bearing mounting hole 101, bearing 16 when installing Hole 101 is interior and the outer ring bottom surface of bearing 16 is concordant with the lower surface of housing 1, and the bearing mounting hole 101 that indent is set can be pressed further Contracting clutch axial dimension.The inner ring of the bearing 16 is fixed with input axle sleeve 12.When washing machine is under dehydration condition, Input shaft 11 drives input axle sleeve 12 to rotate by clutch axle sleeve 5.The setting of bearing 16 can avoid housing 1 to input axle sleeve 12 rotation, which is formed, to be hindered.

With continued reference to Fig. 7, the side wall upper part of housing 1 offers brake ribbon component and avoids mouth, and the brake ribbon component is kept away Allow up and down on two side bodies 1 formed with the pivot pin installing plate projected radially outward of mouth, on upper and lower two pivot pins installing plate formed with The pivot pin mounting hole of vertical direction connection.Refering to Fig. 3 and Fig. 4, the through hole that runs through on driving lever 6 formed with vertical direction, pivot pin 22 It is located in the through hole and pivot pin mounting hole, and the first torsion spring 24 is set with outside pivot pin 22, one end and the housing 1 of the first torsion spring 24 Limiting section contact is simultaneously spacing by the limiting section of housing 1, and other end spiral-lock is on driving lever 6.The one end of driving lever 6 away from housing 1, which is provided with, drives Dynamic portion 602, drive division 602 connect driver, and driver can be synchronous motor or water discharge dragging device.Driving lever 6 is close to housing 1 One end is located in one end pivot that brake ribbon component avoids brake pin 23 and brake ribbon component 13 intraoral and by vertical direction Connection, the other end of brake ribbon component 13 are fixed on housing 1 around brake disc 14.

With continued reference to Fig. 7, the bottom margin of housing 1 corresponds to brake ribbon component avoidance mouth and offers shifting fork device avoidance mouth 104, For accommodating the linking arm 702 of shifting fork device, to cause the integrated model of clutch compacter.The shifting fork device avoids mouth The through hole for mounting bracket 2 is offered on the housing 1 of 104 left and right sides.

Refering to Fig. 4 and Fig. 5, support 2 is metal plate punching part, logical in the both sides corresponding housing 1 of support 2 positioned at the lower section of driving lever 6 Hole is shaped as circular arc formed with otic placode 704, otic placode 704, is adapted with the shape with housing 1, is offered on otic placode 704 The otic placode through hole that can be connected with through hole, support 2 can be by the connectors of the through hole on otic placode through hole and housing 1 for example Spiral and nut 9 are fixed on housing 1.The perforate for wearing shifting fork pin 21 is also formed with support 2.In addition, on support 2 also Formed with pivot pin positioning hole 201, pivot pin positioning hole 201 passes from below through pivot pin 22 and is connected on the housing 1 during installation, increases Positioning precision.

Refering to Fig. 1-Fig. 4 and Fig. 8, shifting fork device includes shift fork 7 and the regulating part on shift fork 7, the shift fork 7 One end is located at the lower section of the clutch spigot surface 601 and directly contacted with the clutch spigot surface 601 by the regulating part；Institute The other end for stating shift fork 7 is located at the lower section of the clutch axle sleeve 5 and can contacted with the clutch axle sleeve 5 to drive the clutch Axle sleeve 5 moves axially the dehydration/washing change working for realizing washing machine.Formed with for wearing on part between the both ends of shift fork 7 If the pin-and-hole of shifting fork pin 21.In clutch 601 shift fork 7 of spigot surface, shift fork 7 makees lever by fulcrum of pin-and-hole on vertical plane Motion.Regulating part is used for the initial makeup location for adjusting shift fork 7.

Specifically, adjusting screw 8 and nut 9 can for example be included refering to Fig. 8, regulating part, one end of the shift fork 7 opens up There is screwed hole 705, the adjusting screw 8 is screwed in the screwed hole 705, and the nut 9 is screwed in the adjusting screw 8.Adjust After saving the installation nut 9 of screw 8, it is connected by screwed hole 705 with shift fork 7, the head of adjusting screw 8 and clutch spigot surface 601 are straight Contact；The initial makeup location of shift fork 7 is adjusted by adjusting the length of fit of adjusting screw 8, passes through locking nut 9 Make positioning reliable.

With continued reference to Fig. 8, according to a kind of embodiment of the present utility model, adjusting screw 8 includes screw body 801 and spheroid 802, the one end of screw body 801 is provided with polished rod portion, can be matched somebody with somebody on the upper surface in polished rod portion formed with mounting groove, spheroid 802 with interference Close ground to be fixed in mounting groove, adjusting screw 8 is adjusted during assembling makes spheroid 802 abut against with clutch spigot surface 601；The ball Body 802 is made of high-strength, high-anti-friction material, such as spheroid 802 can be steel ball 802.The setting of spheroid 802 adds The reliability of clutch and life-span.

With continued reference to Fig. 8, the shift fork 7 is formed using plate stamping, reduces manufacturing cost.Drive is integrally formed with shift fork 7 Swing arm 701, linking arm 702 and clutch plate 703, each part stamp out reinforcement, increase structure stiffness.Linking arm 702 is with driving The connecting portion of swing arm 701 and clutch plate 703 reduces stress concentration with arc transition.The making steel plate thickness of shift fork 7 according to Specific embodiment stiffness requires to carry out preferred, the lightweight structure on the premise of stiffness is ensured.

Refering to Fig. 1, Fig. 4 and Fig. 8, actuating arm 701 is arranged on the lower section of clutch spigot surface 601, which is provided with screwed hole 705, Adjusting screw 8 is arranged in screwed hole 705, and regulation screw-in length makes screw head and clutch spigot surface 601 inconsistent；Clutch plate 703 are arranged on the lower section of clutch axle sleeve 5, are the semicircular arc thin-wall construction of a side opening, it corresponds to clutch away from the end of actuating arm 701 Stopper slot on axle sleeve 5 is symmetrically arranged with lug boss 706, and clutch axle sleeve 5 is arranged in the neutral of clutch plate 703, and is supported on convex Rise at portion 706, the line of two lug bosses 706 substantially overlaps with a radial diameter of clutch axle sleeve 5；Linking arm 702 connect from Moving plate 703 and actuating arm 701, it can be straight-arm or bending arm, not limit the bending part number of linking arm 702, it is therefore intended that increase is dialled Avoid interfering with other parts setting up and down when reducing axial height and clutch action while pitching 7 stiffness；Dial Otic placode 704 is additionally provided with fork 7, otic placode 704 is provided with pin-and-hole, and shift fork 7 is pivotably pacified by the shifting fork pin 21 being located in pin-and-hole On support 2；The second torsion spring 25 is set with shifting fork pin 21, the one end of the second torsion spring 25 contacts with the limiting section of support 2, the other end Spiral-lock is on the actuating arm 701 of the shift fork 7；The twisting force of second torsion spring 25 makes the head of adjusting screw 8 be led all the time with clutch To the reliable contacts of face 601.

Refering to Fig. 3, in a preferred embodiment, the clutch axle sleeve 5 realizes washing/dehydrating operating mode in the following way Conversion.In the preferred embodiment, the bottom of housing 1 is fixed with the first fluted disc 3.Preferably, first fluted disc 3 is coaxially solid It is scheduled on the bottom outer face of housing 1, first fluted disc 3 has the first clutch teeth portion 301, the bottom of the input shaft 11 The second fluted disc 4 coaxially is fixed with, second fluted disc 4 has the second clutch teeth portion 401.

First fluted disc 3 and the second fluted disc 4 are coaxially disposed, and axially spaced, and clutch axle sleeve 5 is located at the first fluted disc 3 and the In axially spaced-apart between two fluted discs 4；The middle part of the clutch axle sleeve 5 is located in formed with splined hole, the input axle sleeve 12 In the Hua Jian holes, the clutch axle sleeve 5 is slidably connected by splined hole and the input axle sleeve 12；The setting in Hua Jian holes causes The clutch axle sleeve 5 can not produce relative to the input axle sleeve 12 in the plane perpendicular to the axis direction of input axle sleeve 12 Rotation, can only be slided relative to axis direction of the input axle sleeve 12 along input axle sleeve 12.

The side of the first fluted disc of direction 3 of clutch axle sleeve 5 formed with can be engaged with the first clutch teeth portion 301 the 3rd from Close teeth portion 501；The side of the second fluted disc of direction 4 of clutch axle sleeve 5 is formed with can be engaged with the second clutch teeth portion 401 the 4th Clutch teeth portion 502；

Clutch axle sleeve 5 moves axially the dehydration/washing change working for realizing washing machine.When washing machine is in washing operating mode When, the first clutch teeth portion 301 is engaged with the 3rd clutch teeth portion 501, and the second clutch teeth portion 401 is divided with the 4th clutch teeth portion 502 From；When washing machine is in dehydration condition, the second clutch teeth portion 401 engages with the 4th clutch teeth portion 502, the first clutch teeth portion 301 separate with the 3rd clutch teeth portion 501.

Refering to Fig. 6, in one is preferable to carry out, clutch axle sleeve 5 is integrated moulding, the first fluted disc of direction 3 of clutch axle sleeve 5 Side with being centrally formed with lightening grooves 503, lightening grooves 503 are arranged between spline part and the 3rd clutch teeth portion 501, spline part Upper surface can be higher than the upper surface of the 3rd clutch teeth portion 501, to ensure to obtain enough spline contact length while the compressible 3rd Axial distance between the clutch teeth portion 502 of clutch teeth portion 501 and the 4th；Reduce the axial dimension of clutch.Lightening grooves 503 are same The mounting groove of Shi Zuowei clutches stage clip 26, clutch stage clip 26 are arranged in lightening grooves 503, and upper end passes through end ring 15 and axle Hold the contact of 16 inner rings.To be moved axially with shifting fork device synergy driving clutch axle sleeve 5.

The clutch axle sleeve 5 that the present embodiment provides carries out strength check and light-weight design when making according to design requirement, Optimize moulding wall thickness dimension, it is ensured that reduce design redundancy on the premise of performance requirement is met.

Refering to Fig. 9, the first fluted disc 3 is preferably integrated injection molding part, and its middle part is formed with the axle for wearing input axle sleeve 12 Hole, the inner peripheral surface and the outer peripheral face of input axle sleeve 12 of axis hole are radially spaced, and are avoided the rotation to input axle sleeve 12 from forming and are hindered. The outward flange position of first fluted disc 3 offers shifting fork device and avoids mouth 304, for accommodating the linking arm 702 of shift fork 7, to cause The more compact structure of clutch.

With continued reference to Fig. 9, the first fluted disc 3 can be fixed on the bottom of housing 1 in the following way, and the bottom of housing 1 offers Several positioning holes 102 and screwed hole 103, the side of the direction housing 1 of first fluted disc 3 correspond to the housing respectively The positioning hole 102 and screwed hole 103 of 1 bottom when fixing first fluted disc 3, make formed with alignment pin 302 and mounting hole 303 The alignment pin 302 of first fluted disc 3 is contained in the positioning hole 102 of the bottom of housing 1, mounting hole 303 and screwed hole 103 In the vertical direction connects, can by the bolt of penetrating mounting holes 303 and screwed hole 103 again attaching nut 9 by the first fluted disc 3 It is fixed on the bottom of housing 1.

Refering to Figure 10, the first fluted disc 3 corresponds to mounting hole 303 formed with positioning boss 305 backwards to the side of housing 1；With In the structural strength and installation strength that improve the first fluted disc 3；In order to improve or further improve the overall structure of the first fluted disc 3 Intensity, along ring circumferential direction and reinforcement 306 can also be formed radially respectively backwards to the side of housing 1 in the first fluted disc 3.First Fluted disc 3 rationally sets wall thickness when making, to improve part strength and stock utilization.

Refering to Fig. 1-Fig. 4, the second fluted disc 4 is preferably integrated injection molding part, is fixedly connected with input shaft 11, the second fluted disc 4 can (not shown) over pulleys carried is wholely set, for parallel drive clutch；Or it is integrally disposed upon rotor moulding Upper (not shown), for tandem drive clutch.

In a preferred embodiment, the first clutch teeth portion 301, the second clutch teeth portion 401, the 3rd clutch teeth portion 501 and Tooth in four clutch teeth portion 502 is stairstepping tooth.Specifically, each clutch teeth portion includes the tooth that several are evenly distributed, Teeth groove is formed between two adjacent teeths；The tooth is made up of the first straight-tooth and the second straight-tooth, and the first straight-tooth and the second straight-tooth are hanging down It is directly sector in the projection in the plane of the axis direction of input shaft 11, the tooth is in the plane perpendicular to the length direction of tooth Be projected as step, wherein first step is formed by the projection of the first straight-tooth, and second step is formed by the projection of the second straight-tooth；Relatively When answering the engagement of clutch teeth portion, the first straight-tooth of a part is embedded in the teeth groove of another part, the second straight-tooth facewidth phase of two parts Deng tooth top coincidence.By taking the first fluted disc 3 as an example, the length direction of tooth refers to the radial direction weight with the first fluted disc 3 on the first fluted disc 3 The direction of conjunction.The application of stairstepping tooth, bonding strength and engagement reliability are improved, can effectively reduce tooth surface abrasion and tooth damage Wound, while reduce gearing noise.

Preferably, the circumferentially upper minimum widith of the first straight-tooth is 1-2mm, is highly 1.5-2.5mm, in the second straight-tooth circumference most Small width is 2-5mm, is highly 1.5-3.5mm, and the circumferentially upper minimum widith of teeth groove is equal with the first straight-tooth width engaged.

When installing clutch, because part is various, the accumulated tolerance of processing and assembling can cause the deviation of clutch position So as to which after causing the installation of shift fork 7, teeth portion does not have at a fully engaged or Assembly Interference occurs with upper fluted disc in clutch axle sleeve 5, makes Clutch is unreliable or product fraction defective increases.Usually require to improve the processing and assembling of each parts to improve product reliability Precision, so as to cause the increase of cost.First ensure the tooth of clutch axle sleeve 5 and first using the clutch of the present embodiment, during assembling Disk 3 engages in place, secondly adjusts lug boss 706 and is just contacted with the stopper slot of clutch axle sleeve 5, then adjusts adjusting screw 8 to make steel ball 802 just contact with clutch spigot surface 601, last fastening screw nut 9, and clutch structure is locked in most preferably assembling point.This assembling Mode can substantially reduce the accuracy of manufacture of shift fork 7, so as to reduce manufacturing cost.

The operation principle of the clutch provided below the utility model one of which embodiment illustrates：

1. during initial position：In the presence of the first torsion spring 24, driving lever 6 drives brake ribbon component 13 to hold brake disc 14 tightly, Because brake disc 14 is fixedly connected with input axle sleeve 12, and input axle sleeve 12 and the interior bucket of washing machine are relatively fixed, brake disc 14 Interior bucket will be driven to be in braking state when being held tightly；Simultaneously shifting fork device in the presence of the second torsion spring 25, the one end of steel ball 802 with All the time reliable contacts, the lug boss 706 of the other end hold out against clutch axle sleeve 5 to clutch spigot surface 601, make the 3rd of clutch axle sleeve 5 from The the first clutch teeth portion 301 for closing the fluted disc 3 of teeth portion 501 and first is in engagement, and interior bucket is locked；Clutch stage clip 26 is in pressure Contracting state, now only input shaft 11 rotates in the presence of driving source, drives the impeller of washing machine to rotate, and washing machine is in washing State.

2. when washing machine sends dehydration instruction：Driving lever 6 turns over certain angle under driver effect around pivot pin 22, brakes Band component 13 loosens brake disc 14, and interior bucket braking state releases；At the same time, clutch spigot surface 601 also turns over certain angle around axle Degree, now the position of the contact point of steel ball and clutch spigot surface 601 in the axial direction is there occurs change (moving up), so as to pass through shift fork Pin 21 drives the opposite direction of lug boss 706 movement (moving down) of the other end, and shift fork 7 is initially separated with clutch axle sleeve 5；Clutch axle sleeve 5 Moved down under the effect of the reset force of self gravitation and clutch stage clip 26, the 3rd clutch teeth portion 501 departs from the first clutch teeth portion 301 Engagement, then for the 4th clutch teeth portion 502 with the second clutch teeth portion 401 into engaging, input shaft 11 is relatively solid with input axle sleeve 12 Fixed, the interior bucket being fixed in input axle sleeve 12 is fixedly connected with the impeller transmission system of input shaft 11, and clutch completes washing To the conversion of dehydration；Now the stroke of 7 lug boss of shift fork 706 is more than the stroke of clutch axle sleeve 5, lug boss 706 and the spacing emaciated face of gear ring From avoiding abrasion between the two under high speed dewatering operating mode.

3. when being dehydrated completion：Driver is stopped, and driving lever 6 resets under the reset force effect of the first torsion spring 24, band Dynamic brake ribbon component 13 contacts with brake disc 14, and clutch starts brake；Shift fork 7 drives clutch spigot surface 601 to reset, and pushes away Dynamic steel ball moves down, and drives lug boss 706 to move up by shifting fork pin 21, so as to drive clutch axle sleeve 5 to move up, the 4th clutch teeth portion 502 are disengaged from the second clutch teeth portion 401, and then the 3rd clutch teeth portion 501 enters with the first clutch teeth portion 301 and engaged, defeated Enter axle sleeve 12 and interior bucket is locked, clutch returns to washing state；The second torsion spring 25 and clutch stage clip 26 are compressed simultaneously.

The utility model embodiment is by adopting the above-described technical solution, have the positive effect that：Brake arm is made simultaneously For clutch actuating arm, simplify clutch structure；Using adjustable shifting fork device, reduce parts required precision and to improve clutch reliable Property；Axial dimension is compact to design, increases washing of drum type washing machine capacity；Shift fork 7 and support 2 use metal plate punching part, reduce and axially account for Use space；Clutch tooth form is rationally designed, gearing noise is reduced and improves clutch reliability.Light-weight design vital part, reduce Manufacturing cost.

On the other hand the utility model embodiment provides a kind of washing machine, including clutch, wherein the clutch For the clutch of the washing machine described in the utility model embodiment first aspect.The washing machine that the utility model embodiment provides Beneficial effect and the beneficial effect of above-mentioned clutch it is similar, here is omitted.

Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model. It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute Disclosure, belong to the scope of protection of the utility model.

Claims (15)

1. a kind of clutch of washing machine, it is characterised in that the clutch includes：Driving lever (6), shifting fork device, input Axle (11), input axle sleeve (12) and clutch axle sleeve (5)；

Wherein, the driving lever (6) and the shifting fork device are arranged to by the driving lever (6) perpendicular to the input shaft (11) The horizontal rotation in surface of axis direction drives the shifting fork device parallel to the vertical of the input shaft (11) axis direction Lever motion is done in face, so as to drive the clutch axle sleeve (5) axial movement to realize the input axle sleeve under washing operating mode (12) input axle sleeve (12) and the input shaft (11) and under the differential speed rotation or dehydration condition of the input shaft (11) Synchronized rotation.

2. the clutch of washing machine according to claim 1, it is characterised in that the clutch also include with it is described The brake disc (14) that input axle sleeve (12) is fixedly connected, the driving lever (6) is perpendicular to the input shaft (11) axis direction Horizontal rotation in surface drives the shifting fork device parallel to the input shaft to brake or unlock during the brake disc (14) (11) lever motion is done in the vertical plane of axis direction, so as to drive the clutch axle sleeve (5) to move axially；And/or

One end of the shifting fork device contacts with the driving lever (6), and the other end contacts with the clutch axle sleeve (5), by described in Rotation of the driving lever (6) in the horizontal plane perpendicular to the input shaft (11) axis direction is converted into parallel to the input shaft (11) lever motion in the vertical plane of axis direction, so as to drive the clutch axle sleeve (5) to move axially.

3. the clutch of washing machine according to claim 2, it is characterised in that the driving lever (6) is dialled close to described The side of fork device formed with clutch spigot surface (601), the clutch spigot surface (601) horizontal by slanted angle and with institute State shifting fork device directly to contact, so as to drive by the clutch spigot surface (601) when the driving lever (6) rotates in the horizontal plane The shifting fork device does lever motion in the vertical plane perpendicular to the horizontal plane.

4. the clutch of washing machine according to claim 3, it is characterised in that the shifting fork device includes shift fork (7) With the regulating part on the shift fork (7), one end of the shift fork (7) is located at the lower section of the clutch spigot surface (601) And directly contacted with the clutch spigot surface (601) by the regulating part；The other end of the shift fork (7) is located at the clutch The lower section of axle sleeve (5) simultaneously contacts to drive the clutch axle sleeve (5) to move axially with the clutch axle sleeve (5).

5. the clutch of washing machine according to claim 4, it is characterised in that the shift fork (7) includes actuating arm (701), clutch plate (703) and the linking arm (702) of the connection actuating arm (701) and the clutch plate (703)；It is described driven Disk (703) is located at the lower section of the clutch axle sleeve (5) and corresponds to the stopper slot on the clutch axle sleeve (5) formed with lug boss (706)；The regulating part is installed on the actuating arm (701)；The linking arm (702) is bent over arms；The linking arm (702) with the connecting portion of the actuating arm (701) and the clutch plate (703) with arc transition.

6. the clutch of washing machine according to claim 4, it is characterised in that the regulating part includes adjusting screw (8) and nut (9), one end of the shift fork (7) offer screwed hole (705), and the adjusting screw (8) is screwed in the screwed hole (705) in, the nut (9) is screwed in the adjusting screw (8) to position the adjusting screw (8)；And/or the shift fork For sheet metal component.

7. the clutch of washing machine according to claim 6, it is characterised in that the adjusting screw (8) towards institute State on one end end face of clutch spigot surface (601) formed with mounting groove, be fixed with the mounting groove for contacting the clutch The spheroid (802) of spigot surface (601).

8. the clutch of washing machine according to claim 2, it is characterised in that the clutch also includes housing (1), the brake disc (14) is arranged in the housing (1)；The driving lever (6) is articulated on the housing (1) and can be around Rotated in the horizontal plane parallel to the pivot pin (22) of the input shaft (11) axis direction；The shifting fork device, which is articulated in, to be fixed on And can be around the shifting fork pin (21) perpendicular to the input shaft (11) axis direction perpendicular on support (2) on the housing (1) Lever motion is done in facing directly.

9. the clutch of washing machine according to claim 8, it is characterised in that the housing (1) is center bottom shape Into the cylindrical housings (1) for having bearing mounting hole (101)；The bottom of bearing (16) in the bearing mounting hole (101) Hold cycle surface concordant with the bottom end face of the housing (1), the inner ring and the input axle sleeve (12) of the bearing (16) are solid Fixed connection；And/or housing (1) bottom margin corresponds to the shifting fork device and avoids mouth (104) formed with shifting fork device.

10. the clutch of washing machine according to claim 9, it is characterised in that the support (2) is fixed on the shell The close shifting fork device of body (1) avoids the position of mouth (104), and the pivot pin (22) is corresponded on the support (2) and is opened up There is pivot pin positioning hole (201)；And/or the support (2) is sheet metal component.

11. the clutch of the washing machine according to any one in claim 8-10, it is characterised in that the housing (1) bottom is fixed with the first fluted disc (3), and first fluted disc (3) has the first clutch teeth portion (301)；The input shaft (11) Bottom is coaxially fixed with the second fluted disc (4), and second fluted disc (4) has the second clutch teeth portion (401)；The clutch axle sleeve (5) It is slidably connected by splined hole and the input axle sleeve (12)；The one of direction first fluted disc (3) of the clutch axle sleeve (5) Side is formed with the 3rd clutch teeth portion (501) that can be engaged with the first clutch teeth portion (301)；The clutch axle sleeve (5) Towards the side of second fluted disc (4) formed with the 4th clutch teeth portion that can be engaged with the second clutch teeth portion (401) (502)；

Wherein, when the washing machine is in washing operating mode, the first clutch teeth portion (301) and the 3rd clutch teeth portion (501) engage, the second clutch teeth portion (401) separates with the 4th clutch teeth portion (502)；The washing machine is in dehydration During operating mode, the second clutch teeth portion (401) is engaged with the 4th clutch teeth portion (502), the first clutch teeth portion (301) Separated with the 3rd clutch teeth portion (501).

12. the clutch of washing machine according to claim 11, it is characterised in that the direction of first fluted disc (3) The side of the housing (1) correspond to respectively the housing (1) bottom positioning hole (102) and screwed hole (103) formed with positioning (302) and mounting hole (303) are sold, first fluted disc (3) corresponds to the mounting hole backwards to the side of the housing (1) (303) formed with positioning boss (305)；And/or the side of the housing (1) backwards of first fluted disc (3) is respectively along ring Circumferential direction and reinforcement (306) has been formed radially it；And/or the outward flange position of first fluted disc (3) corresponds to the shift fork dress Put and avoid mouth (304) formed with shifting fork device.

13. the clutch of washing machine according to claim 11, it is characterised in that the direction of the clutch axle sleeve (5) The side of first fluted disc (3) is provided with clutch stage clip with lightening grooves (503) are centrally formed with the lightening grooves (503) (26)。

14. the clutch of washing machine according to claim 11, it is characterised in that the first clutch teeth portion (301), institute The tooth stated on the second clutch teeth portion (401), the 3rd clutch teeth portion (501) and the 4th clutch teeth portion (502) is Stairstepping tooth, to improve the joggled strength of tooth and reduce the gearing noise of tooth.

15. a kind of washing machine, including clutch, it is characterised in that the clutch is to appoint according in claim 1-14 The clutch of washing machine described in meaning one.