CN107287830A - The clutch and washing machine of washing machine - Google Patents

The clutch and washing machine of washing machine Download PDF

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Publication number
CN107287830A
CN107287830A CN201710401598.9A CN201710401598A CN107287830A CN 107287830 A CN107287830 A CN 107287830A CN 201710401598 A CN201710401598 A CN 201710401598A CN 107287830 A CN107287830 A CN 107287830A
Authority
CN
China
Prior art keywords
ring
clutch
washing machine
axle sleeve
wedge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710401598.9A
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Chinese (zh)
Other versions
CN107287830B (en
Inventor
闫甜甜
胡义明
吴迪
陈金涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Welling Motor Manufacturing Co Ltd
Midea Welling Motor Technology Shanghai Co Ltd
Original Assignee
Guangdong Welling Motor Manufacturing Co Ltd
Midea Welling Motor Technology Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Welling Motor Manufacturing Co Ltd, Midea Welling Motor Technology Shanghai Co Ltd filed Critical Guangdong Welling Motor Manufacturing Co Ltd
Priority to CN201710401598.9A priority Critical patent/CN107287830B/en
Publication of CN107287830A publication Critical patent/CN107287830A/en
Application granted granted Critical
Publication of CN107287830B publication Critical patent/CN107287830B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • D06F37/40Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

The present invention relates to washing machine field, disclose the clutch and washing machine of a kind of washing machine, clutch includes input shaft (11), is set in the outer input axle sleeve (12) of input shaft (11), is set in input axle sleeve (12) outside and can move axially to realize the clutch axle sleeve (5) of dehydration/washing change working, the ring (7) for supporting and driving clutch axle sleeve (5) axial movement, for installing ring (7) and the ring support (2) and driving lever (6) of screw pair being connected as with ring (7);Wherein, driving lever (6) and ring (7) are set to drive screw of the ring (7) in ring support (2) in the horizontal rotation in surface perpendicular to input shaft (11) axis direction by driving lever (6), so as to drive clutch axle sleeve (5) to move axially.The technical scheme that the present invention is provided simplifies the structure of clutch, reduces the cost of manufacture of washing machine.

Description

The clutch and washing machine of washing machine
Technical field
The present invention relates to washing machine field, more particularly to a kind of clutch of washing machine, further, the present invention is also related to And a kind of washing machine with the clutch.
Background technology
The important composition part washing machine transmission system (slow down clutch) of washing machine is used to realize washing for washing machine De- change working, it has transmission, deceleration, clutch, four big functions of brake.Tooth engagement clutch mode is the deceleration of existing washing machine One of main clutch mode of clutch.
Spiral clutch mode is a kind of common form of the engagement type clutch of existing tooth, realizes the knot of spiral clutch mode The general ring support by being fixed on installing component of structure, ring, clutch axle sleeve and ring drive device composition, ring support with Input shaft is coaxially disposed, and ring is generally concentric to be arranged on ring internal stent, and ring support and ring are provided with helicoid, driving Device drives ring around clutch central axis, drives ring to occur screw with ring support, drives clutch axle sleeve Move up and down to complete clutch action.
It is unstable that this clutch mode avoids common braking moment, and the FAQs such as clutch spring fracture, clutch is reliable Property it is high.But in order to avoid the too big stability to ensure clutch of lead angle of ring and ring support, generally require and dial Larger angle is turned over around central shaft, how to set ring drive device to turn into the difficult point of this clutch mode.Prior art Ring drive device is typically complex, and part is various, and some also need to set single motor to complete clutch action, There is detrimental effect to control cost, simplified assembly technology and guarantee stability in use;Axial dimension design is not compact enough, wave Take clutch axial space, washing capacity is reduced in the case of washing machine constancy of volume;Clutch tooth design is unreasonable, very Engagement difficult to get access, gearing noise is big;Part designs redundancy, causes the dual waste of space and material.
The content of the invention
There is provided one kind it can simplify clutch the invention aims to the drawbacks described above for overcoming prior art to exist Structure, reduce washing machine cost of manufacture technical scheme.
To achieve these goals, first aspect present invention provides a kind of clutch of washing machine, wherein, the clutch Mechanism includes input shaft, the input axle sleeve being set in outside the input shaft, is set in outside the input axle sleeve and can axially move The dynamic clutch axle sleeve to realize dehydration/washing change working, the ring for supporting and driving the clutch axle sleeve axial movement, For installing the ring and the ring support and driving lever of screw pair being connected as with the ring;Wherein, the driving lever and institute Ring is stated to be set to drive described dial in the horizontal rotation in surface perpendicular to the input shaft axis direction by the driving lever Screw of the ring in the ring support, so as to drive the clutch axle sleeve to move axially.
Preferably, guide finger is fixed with the ring, the bottom correspondence guide finger of the driving lever is fixed with slideway, The arcuate socket for wearing the guide finger is formed with the slideway;When the driving lever is perpendicular to the input shaft axis side To horizontal rotation in surface when, promote the guide finger to move by the slideway, so as to drive the ring in the ring Support inside spin is moved.
Preferably, the ring includes annular revolving body and is fixed on the linking arm of the annular revolving body side, described Guide finger is fixed on the end of the linking arm;It is formed with and dials on the end face of the direction ring support of the annular revolving body Ring wedge-shaped protrusion, the ring wedge-shaped protrusion is with the ring wedge-shaped protrusion plane parallel with the end face and positioned at described group The ring wedge-shaped protrusion for being used to be connected as screw pair with the ring support between ring wedge-shaped protrusion plane and the end face is oblique Face;The linking arm is bent over arms;And/or, the arcuate socket is the wide waist round hole of arc.
Preferably, the ring support is hollow revolving body, the top side wall correspondence linking arm of the ring support Offer linking arm and avoid mouth;
Being formed with the inside of the bottom of the ring support along the ring circumferential direction correspondence ring wedge-shaped protrusion plane can be with The ring chassis plane that the ring wedge-shaped protrusion plane fits;The correspondence ring wedge shape is convex on the ring chassis plane Rise and be formed with ring support wedge-shaped protrusion;The ring support wedge-shaped protrusion has the ring branch that can be fitted with the end face Frame wedge-shaped protrusion plane and between the ring support wedge-shaped protrusion plane and the ring chassis plane be used for The ring wedge-shaped protrusion inclined-plane is connected as the ring support wedge-shaped protrusion inclined-plane of screw pair.
Preferably, the circumferentially arcuate groove formation limited location post on the end face on the correspondence ring support;And/or, institute State the axial range that the difference in height between ring wedge-shaped protrusion plane and the end face is more than the clutch axle sleeve;And/or, The locating dowel for ring described in radial positioning is formed with the inwall of the ring support.
Preferably, the clutch also includes housing, driving lever pivot joint on the housing and can around parallel to The pivot pin in the input shaft axis direction is rotated in the horizontal plane.
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 is engaged 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 is engaged 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 is formed with alignment pin and mounting hole, and the side correspondence mounting hole of the dorsad described housing of first fluted disc is formed There is positioning boss;And/or, the side of the dorsad described housing of first fluted disc respectively along ring circumferential direction and be formed radially plus Strengthening tendons;And/or, the edge correspondence ring of first fluted disc is formed with ring and avoids mouth.
Preferably, the side of the direction of the clutch axle sleeve first fluted disc is described to subtract with lightening grooves are centrally formed with 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.
Preferably, the ring support is fixed on the bottom of first fluted disc, the direction described of the ring support The catching groove and ring rack positioning hole that one end of one fluted disc is corresponded on first fluted disc respectively are formed with buckle and ring support Alignment pin.
Preferably, the housing is the cylindrical housings that center bottom is 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 correspondence ring is formed with ring and avoids mouth.
Preferably, the clutch also includes the brake disc being fixedly connected with the input axle sleeve, and the driving lever can In the horizontal rotation in surface perpendicular to the input shaft axis direction to brake or unlock the brake disc.
Preferably, the driving lever is driven to perpendicular to the input shaft axis direction by the water discharge dragging device of washing machine Horizontal rotation in surface.
Second aspect of the present invention provides a kind of washing machine, including clutch, wherein, the clutch is the present invention the The clutch of washing machine described in one side.
The technical scheme that the present invention is provided has the advantages that:
The clutch that the present invention is provided directly drives ring by driving lever and moved, and the rotation of driving lever in the horizontal plane is turned The screw of ring in the vertical direction is turned to, so that drive clutch axle sleeve axial movement to realize dehydration/washing change working, Complicated, the big ring driving structure of space-consuming need not be separately provided, the structure and assembly technology of clutch is simplified, Reduce 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 clutch of the present invention;
Fig. 2 is a kind of explosive view of embodiment of clutch of the present invention;
Fig. 3 is that a kind of washing operating mode of embodiment of clutch of the present invention sets aside the assembling knot of ring support, ring and driving lever Structure schematic diagram;
Fig. 4 is the assembling knot that a kind of dehydration condition of embodiment of clutch of the present invention sets aside ring support, ring and driving lever Structure schematic diagram;
Fig. 5 is that a kind of clutch operating mode of embodiment of clutch of the present invention sets aside the top view of ring support, ring and driving lever;
Fig. 6 is the structural representation of the ring support of an embodiment of the present invention;
Fig. 7 is the polycrystalline substance schematic diagram of the ring of an embodiment of the present invention;
Fig. 8 is the polycrystalline substance schematic diagram of the housing of an embodiment of the present invention;
Fig. 9 is the polycrystalline substance schematic diagram of first fluted disc of an embodiment of the present invention;
Figure 10 is the top structure schematic diagram of first fluted disc of an embodiment of the present invention;
Figure 11 is the structural representation of the clutch axle sleeve of an embodiment of the present invention.
Label declaration in figure:1-housing;2-ring support;3-the first fluted disc;4-the second fluted disc;5-clutch axle sleeve; 6-driving lever;7-ring;8- pivot pin installing plates;9- pivot pin mounting holes;10- brake ribbons component avoids mouth;11-input shaft;12— Input axle sleeve;13-brake ribbon component;14-brake disc;15- end rings;16-bearing;22-pivot pin;23-brake pin; 24-torsion spring;26-clutch stage clip;100- stairstepping teeth;101-bearing mounting hole;102-positioning hole;103-screwed hole; 104-ring avoids mouth;201-ring support wedge-shaped protrusion inclined-plane;202-linking arm avoids mouth;203-ring support is positioned Pin;204-buckle;205-locating dowel;206-ring support wedge-shaped protrusion;207-ring chassis plane;208-ring branch Frame wedge-shaped protrusion plane;209-circumferentially arcuate groove;301-ring rack positioning hole;302-alignment pin;303-mounting hole; 304-ring avoids mouth;305-catching groove;306-reinforcement;307-positioning boss;501-lightening grooves;601-arcuate socket; 602-drive division;701-guide finger;702-linking arm;703-end face;704-ring wedge-shaped protrusion plane;705-ring Wedge-shaped protrusion;706-ring wedge-shaped protrusion inclined-plane;707-limited post.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.It should be evident that under The embodiment that face is described by reference to accompanying drawing is exemplary, is only used for explaining the present invention, and it is not intended that to the present invention's Limitation.
In the description of the embodiment of the present invention, 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 the description embodiment of the present invention with simplified, rather than indicate or imply that the device or element of meaning must be with specific sides Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " Etc. being only used for describing purpose, and it is not intended that indicating or implying relative importance or implicit indicate indicated technical characteristic Quantity.Thus, defining the similar characteristics such as " first ", " second " can express or implicitly include one or more This feature.
Refering to Fig. 1-Figure 11, first aspect of the embodiment of the present invention provides a kind of clutch of washing machine, the clutch Including input shaft 11, the input axle sleeve 12 being set in outside input shaft 11, to be set in the input axle sleeve 12 outer and can axially move The dynamic clutch axle sleeve 5 to realize dehydration/washing change working, group for supporting and driving the clutch axle sleeve 5 to move axially Ring 7, for installing the ring 7 and the ring support 2 and driving lever 6 of screw pair being connected as with the ring 7;Wherein, it is described Driving lever 6 and the ring 7 are set to by the driving lever 6 in the horizontal rotation in surface perpendicular to the axis direction of input shaft 11 To drive screw of the ring 7 in the ring support 2, so as to drive the clutch axle sleeve 5 to move axially.
Specifically, the impeller of the input shaft 11 and washing machine is relatively fixed, and can external drive source active force The lower impeller for driving washing machine rotates to wash clothing.
The input axle sleeve 12 and the interior bucket of washing machine are relatively fixed, when washing machine is in washing operating mode, the input Axle 11 is rotated and input axle sleeve 12 is not rotated, and washing machine inner tub does not turn;When washing machine is in dehydration condition, input axle sleeve 12 is led to Cross clutch axle sleeve 5 to be relatively fixed with input shaft 11, when input shaft 11 is rotated, input axle sleeve 12 rotates at the same speed with input shaft 11, Washing machine inner tub is rotated with impeller, for clothes to be dehydrated.
The embodiment of the present invention directly drives ring 7 by driving lever 6 and moved, and the rotation of driving lever 6 in the horizontal plane is converted into The screw of the in the vertical direction of ring 7, so as to drive the axial movement of clutch axle sleeve 5 to realize dehydration/washing change working, nothing Complicated, the big ring driving structure of space-consuming need to be separately provided, the structure and assembly technology of clutch is simplified, dropped The low cost of manufacture of washing machine.
In the clutch with mechanical brake, clutch also includes brake disc 14, and driving lever 6 is used as brake bar simultaneously Effect, for braking locking braking in the horizontal rotation in surface perpendicular to the axis direction of input shaft 11 in the presence of driver Disk 14, or brake disc 14 is released braking, simultaneously, the driving ring 7 of driving lever 6 is spinned motion in ring support 2, from And drive clutch axle sleeve 5 to move axially.Driving lever 6 is simultaneously as the brake bar and the drive rod of ring 7 of brake disc 14, Ke Yijin One step simplifies the structure of clutch.
In the preferred embodiment of the present invention, the driving lever 6 and the ring 7 can be set with described group in the following way When bar 6 is rotated in the horizontal plane, the ring 7 is driven to be spinned in ring support 2 motion.
Refering to Fig. 1-Fig. 4, guide finger 701, the bottom correspondence guide finger of the driving lever 6 are fixed with the ring 7 701 are fixed with the arcuate socket 601 being formed with slideway, the slideway for wearing the guide finger 701;When the driving lever 6 exists During perpendicular to the horizontal rotation in surface of the axis direction of input shaft 11, the guide finger 701 is promoted to move by the slideway, So as to drive the ring 7 to be moved in the inside spin of ring support 2, driven during 7 screw of ring on the axial direction of clutch axle sleeve 5 The lower mobile dehydration/washing change working for completing washing machine.Specifically, refering to Fig. 5, the pivot of the ring 7 is positioned at defeated On the axis for entering axle 11, and the pivot of the driving lever 6 is located at the pivot joint position of driving lever 6.It is apparent that the rotation of the driving lever 6 Turn center different with the pivot position of the ring 7, in addition, the radius of turn of the driving lever 6 be typically different from it is described The radius of turn of ring 7.Therefore, the rotation path of the driving lever 6 and the ring 7 is not consistent.The preferred embodiment of the present invention By the fixed guide pin 701 on ring 7, and in the bottom ground way of driving lever 6, the arc that pin 701 is located in slideway is directed to In shape hole 601, when driving lever 6 rotates, make it that ring 7 is spinned motion by the thrust of the side wall of arcuate socket 601.Due to driving lever 6 Rotate in the horizontal plane and in the vertical direction does not have displacement, and the in the vertical direction of ring 7 has displacement, therefore the spiral of ring 7 When motion rises, the length that guide finger 701 extend out to arcuate socket 601 is also bigger.Pass through setting for arcuate socket 601 and guide finger 701 The screw being converted into ring 7 in ring support 2 by driving lever 6 in the horizontal plane can be realized by putting.
Preferably, the arcuate socket 601 for example can be the wide waist round hole of arc.The guide finger 701 is cylinder, institute State guide finger 701 and form the pair that is slidably connected with the arcuate socket 601.
Refering to Fig. 3-Fig. 4, the ring support 2 and the ring 7 are connected as screw pair, refering to Fig. 7, and the ring 7 is wrapped Include annular revolving body and be fixed on the linking arm 702 of the annular revolving body side, the guide finger 701 is fixed on the connection On the side of the direction driving lever 6 of the end of arm 702, the end face 703 of the direction ring support 2 of the annular revolving body Ring wedge-shaped protrusion 705 is formed with, the ring wedge-shaped protrusion 705 has the ring wedge-shaped protrusion parallel with the end face 703 Plane 704 and being used for and the ring support 2 between the ring wedge-shaped protrusion plane 704 and the end face 703 It is connected as the ring wedge-shaped protrusion inclined-plane 706 of screw pair;The ring wedge-shaped protrusion inclined-plane 706 connects the ring wedge shape respectively Convex plane 704 and the end face 703.Axial distance between the ring wedge-shaped protrusion plane 704 and the end face 703 is For the axial range of ring 7, the axial range of the ring 7 is more than the axial range of clutch axle sleeve 5, so that, When clutch axle sleeve 5 is axially moved to after input axle sleeve 12 and input shaft 11 link together, ring 7 can continue to move down one section Distance, so as to keep axially spaced with clutch axle sleeve 5, it is to avoid when clutch axle sleeve 5 is rotated with input shaft 11 with ring 7 it Between rub, produce dehydration noise and abrasion.Wherein, the end face 703 is generally plane.
The linking arm 702 is preferably bent over arms, and the bent over arms has one or more bending parts, can improve linking arm Reduce axial height while 702 rigidity.
Refering to Fig. 6, the ring support 2 for example can be hollow revolving body;In order to realize that driving lever 6 drives the ring 7 The correspondence linking arm 702 offers linking arm and avoids mouth in the inside spin of ring support 2 motion, the ring support 2 202, for accommodating linking arm 702.Preferably, the linking arm avoids the side wall top that mouth 202 is opened in the ring support 2 Portion;Being formed with the inside of the bottom of the ring support 2 along the ring circumferential direction correspondence ring wedge-shaped protrusion plane 704 can be with institute State the ring chassis plane 207 that ring wedge-shaped protrusion plane 704 fits;Correspondence is described on the ring chassis plane 207 dials Ring wedge-shaped protrusion 705 is formed with ring support wedge-shaped protrusion 206;The ring support wedge-shaped protrusion 206 have can with it is described Ring support wedge-shaped protrusion plane 208 that end face 703 fits and positioned at the and of ring support wedge-shaped protrusion plane 208 Being used between the ring chassis plane 207 is connected as the ring support of screw pair with the ring wedge-shaped protrusion inclined-plane 706 Wedge-shaped protrusion inclined-plane 201.Specifically, refering to Fig. 3, when the driving lever 6 drives the screw of ring 7 to rise to extreme higher position When, the ring wedge-shaped protrusion plane 704 of the ring 7 is affixed with the ring support wedge-shaped protrusion plane 208 of the ring support 2 Close;Refering to Fig. 4, when the driving lever 6 drives the screw of ring 7 to drop to extreme lower position, the ring wedge of the ring 7 Shape convex plane 704 and the ring chassis plane 207 of the ring support 2 fit, the end face 703 of the ring 7 with it is described The ring support wedge-shaped protrusion plane 208 of ring support 2 fits, the ring wedge-shaped protrusion inclined-plane 706 of the ring 7 with it is described The ring support wedge-shaped protrusion inclined-plane 201 of ring support 2 fits.
Refering to Fig. 6, when driving lever 6 drives 7 screw of ring, in order to prevent guide finger 701 by the side of arcuate socket 601 Ring 7 occurs rollover and causes the unstable phenomenon of positioning during the thrust of wall, and circumference is formed with the inside of the low side of the ring support 2 Deep-slotted chip breaker 209, the circumferentially arcuate groove 209 refers to the arc of the side ring circumferential direction formation along in the low side of the ring support 2 Shape groove.Refering to Fig. 7, the circumferentially arcuate groove 209 on the end face 703 of the ring 7 on the correspondence ring support 2 forms limited location Post 707, when ring 7 is arranged in ring support 2, limited post 707 is contained in the circumferentially arcuate groove 209 all the time, is passed through The position-limiting action of the circumferentially arcuate groove 209 can prevent from turning on one's side or positioning shakiness so that the clutch action of clutch is more steady It is fixed.
Preferably, the circumferentially arcuate groove 209 is formed in the ring support wedge-shaped protrusion 206, as shown in fig. 6, can To be formed in the ring support wedge-shaped protrusion plane 208 of the ring support wedge-shaped protrusion 206, and relative to the ring support Wedge-shaped protrusion plane 208 is towards the sunken inside of ring support wedge-shaped protrusion 206.More specifically, the circumferentially arcuate groove 209 The axis of circle central axis and the ring support 2 coincide or substantially overlap.
In addition, in order to carry out being also formed with locating dowel on radial positioning, the inwall of the ring support 2 to the ring 7 205, ring circumferential direction distribution of the locating dowel 205 along the ring support 2 is preferably to divide equally to be distributed.It is highly preferred that described The axis direction of the length direction of locating dowel 205 and the ring 7 is parallel or substantially parallel.
Refering to Fig. 1, Fig. 2 and Fig. 8, in the preferred embodiment of the present invention, the clutch also includes housing 1, the brake Disk 14 is arranged in housing 1, and the driving lever 6 is articulated on the housing 1 and can be around parallel to the axis side of input shaft 11 To pivot pin 22 rotate in the horizontal plane.
Specifically, refering to Fig. 8, to improve structural compactness, the housing 1 can be cylindrical housings 1, the bottom of housing 1 Middle part is formed with bearing mounting hole 101, the indent of bearing mounting hole 101, and bearing 16 can directly be fitted in bearing installation when installing In hole 101 and bearing 16 outer ring bottom surface it is concordant with the lower surface 703 of housing 1, the bearing mounting hole 101 of indent setting can be further Compress clutch axial dimension.The inner ring of the bearing 16 is fixed with input axle sleeve 12.When washing machine is under dehydration condition When, 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 shaft The rotation of set 12, which is constituted, to be hindered.
Refering to Fig. 8, the side wall upper part of housing 1 offers brake ribbon component and avoids mouth 10, and the brake ribbon component is avoided The pivot pin installing plate 8 projected radially outward is formed with two side bodies 1 up and down of mouth 10, is formed up and down on two pivot pin installing plates 8 There is the pivot pin mounting hole 9 that vertical direction is connected.Refering to Fig. 1 and Fig. 2, the through hole that vertical direction runs through, pivot pin are formed with driving lever 6 22 are located in the through hole and pivot pin mounting hole 9, and torsion spring 24, one end and the housing limiting section of torsion spring 24 are set with outside pivot pin 22 Contact and spacing by housing limiting section, other end spiral-lock is on driving lever 6.The one end of driving lever 6 away from housing 1 is provided with drive division 602, Drive division 602 connects driver, and driver can be synchronous motor or water discharge dragging device.When being used as driving lever 6 with water discharge dragging device Driver when, water discharge dragging device simultaneously as draining, brake and clutch axle sleeve 5 driving source, further save cost.Dial Bar 6 is located in brake ribbon component close to one end of housing 1 and avoids the brake pin 23 and brake ribbon that mouth 10 is interior and passes through vertical direction One end of component 13 is pivotally connected, and the other end of brake ribbon component 13 bypasses brake disc 14 and is fixed on housing 1.
Refering to Fig. 8, the bottom margin of housing 1 correspondence brake ribbon component avoids mouth 10 and offers ring avoidance mouth 104, for holding The linking arm 702 of ring 7 is received, to cause the overall structure of clutch compacter.
Refering to Fig. 1-Fig. 2 and Fig. 9-Figure 11, in a preferred embodiment, the clutch axle sleeve 5 is realized in the following way Washing/dehydrating change working.In the preferred embodiment, the bottom of housing 1 is fixed with the first fluted disc 3, it is preferable that described One fluted disc 3 is coaxially fixed on the bottom outer face 703 of housing 1.First fluted disc 3 has the first clutch teeth portion, described defeated The bottom for entering axle 11 is coaxially fixed with the second fluted disc 4, and second fluted disc 4 has the second clutch teeth portion.
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 formed with splined hole, and the input axle sleeve 12 is located in In the Hua Jian holes, the clutch axle sleeve 5 is slidably connected by splined hole with the input axle sleeve 12;The setting in Hua Jian holes causes The clutch axle sleeve 5 can not be produced 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 is formed with the 3rd clutch that can be engaged with the first clutch teeth portion Teeth portion;The side of the second fluted disc of direction 4 of clutch axle sleeve 5 is formed with the 4th clutch tooth that can be engaged with the second clutch teeth portion Portion;
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 is engaged with the 3rd clutch teeth portion, the second clutch teeth portion and the 4th clutch toothed portion from;When washing machine is in During dehydration condition, the second clutch teeth portion is engaged with the 4th clutch teeth portion, the first clutch teeth portion and the 3rd clutch toothed portion from.
Refering to Figure 11, in one is preferable to carry out, clutch axle sleeve 5 is integrated moulding, the fluted disc of direction first of clutch axle sleeve 5 3 side is with lightening grooves 501 are centrally formed with, and lightening grooves 501 are arranged between spline part and the 3rd clutch teeth portion, on spline part End face can be higher than the 3rd clutch teeth portion upper surface, to ensure to obtain enough spline contact length compressible 3rd clutch tooth simultaneously Axial distance between portion and the 4th clutch teeth portion;Reduce the axial dimension of clutch.Lightening grooves 501 are used as clutch pressure simultaneously The mounting groove of spring 26, clutch stage clip 26 is arranged in lightening grooves 501, and upper end is contacted by end ring 15 with the inner ring of bearing 16. To be moved axially with the synergy of ring 7 driving clutch axle sleeve 5.
The clutch axle sleeve 5 that the present embodiment is provided 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, it is to avoid the rotation to input axle sleeve 12 constitutes obstruction. The outward flange position of first fluted disc 3 offers ring and avoids mouth 304, the linking arm 702 for accommodating ring 7, to cause clutch The more compact structure of mechanism.
Refering 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 some Individual positioning hole 102 and screwed hole 105, the side of the direction housing 1 of first fluted disc 3 correspond to the bottom of housing 1 respectively The positioning hole 102 and screwed hole 105 at end are formed with alignment pin 302 and mounting hole 303, during fixed first fluted disc 3, make described The alignment pin 302 of first fluted disc 3 is contained in the positioning hole 102 of the bottom of housing 1, and mounting hole 303 is with screwed hole 105 perpendicular Nogata is connected upwards, can attaching nut fixes the first fluted disc 3 again by the bolt of penetrating mounting holes 303 and screwed hole 105 In the bottom of housing 1.
Refering to Figure 10, the side correspondence mounting hole 303 of the dorsad housing 1 of the first fluted disc 3 is formed with positioning boss 307;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 can also be formed radially reinforcement 306 respectively in the side of the dorsad housing 1 of 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. 2, 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, the second clutch teeth portion, the 3rd clutch teeth portion and the 4th clutch teeth portion On tooth be stairstepping tooth 100.Specifically, each clutch teeth portion includes the tooth that several are evenly distributed, two adjacent teeths Between constitute teeth groove;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 perpendicular to input shaft Projection in the plane of 11 axis directions is sector, and the tooth is projected as platform in the plane perpendicular to the length direction of tooth Stepped, 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;Corresponding clutch teeth portion During engagement, the first straight-tooth of a part is embedded in the teeth groove of another part, and the second straight-tooth facewidth of two parts is equal, tooth top weight Close.By taking the first fluted disc 3 as an example, the length direction of tooth refers to the direction overlapped with the radial direction of the first fluted disc 3 on the first fluted disc 3. The application of stairstepping tooth 100, improves bonding strength and engagement reliability, can effectively reduce tooth surface abrasion and tooth damage, simultaneously 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.
Refering to Fig. 1 and Fig. 2, ring support 2 is fixed on the bottom of the first fluted disc 3.Specifically, it is formed with the first fluted disc 3 Axially penetrate through the catching groove 305 and ring rack positioning hole 301 of the first fluted disc 3, direction first fluted disc of the ring support 2 The catching groove 305 and ring rack positioning hole 301 that 3 one end is corresponded on first fluted disc 3 respectively are formed with buckle 204 and ring Support alignment pin 203.During the fixed ring support 2, buckle 204 is installed in the catching groove 305 of the first fluted disc 3, make ring Support alignment pin 203 is contained in ring rack positioning hole 301.
For the ease of understanding the embodiment of the present invention, the work of the clutch provided below one of which embodiment of the present invention Illustrated as principle:
1. during initial position:Driving lever 6 is located at installation site, ring wedge-shaped protrusion plane 704 and ring support wedge-shaped protrusion Plane 208 is overlapped, and ring 7 supports clutch axle sleeve 5 to be engaged with the first fluted disc 3 positioned at upper;Input axle sleeve 12 can not rotate, with The relatively-stationary interior bucket of input axle sleeve 12 is locked;Clutch stage clip 26 is in compressive state, and now washing machine is in washing state.
2. when washing machine sends dehydration instruction:Driving lever 6 turns over certain angle α, band under driver effect around pivot pin 22 Action-oriented pin 701 is slided in arcuate socket 601, and guide finger 701 drives ring 7 to turn over corresponding angle beta in ring support 2, From figure 5 it can be seen that driving lever 6, which only needs to rotate less angle [alpha], can realize the whole process driving to clutch fluted disc, its In, angle [alpha] refers to the angle that driving lever 6 needed for driving clutch tooth disk axial movement range is rotated;Period ring wedge shape is convex Play plane 704 and ring support wedge-shaped protrusion plane 208 departs from, ring support wedge-shaped protrusion inclined-plane 201 and ring wedge-shaped protrusion Inclined-plane 706 completes screw, and then ring wedge-shaped protrusion plane 704 is overlapped with ring chassis plane 207, under ring 7 is located at Position, is separated with clutch axle sleeve 5, and clutch axle sleeve 5 can with the second fluted disc 4 under the reset force effect of self gravitation and clutch stage clip 26 By engagement, interior bucket is transmitted system with impeller and is fixedly connected, and clutch completes washing to the conversion of dehydration;The now stroke of ring 7 More than the stroke of clutch axle sleeve 5, it is to avoid the abrasion under high speed dewatering operating mode between the two.
3. when being dehydrated completion:Driver is stopped, and driving lever 6 resets under the reset force effect of torsion spring 24, the band of driving lever 6 Dynamic ring 7 resets, so as to drive clutch axle sleeve 5 to move up, departs from the second fluted disc 4, then enters with the first fluted disc 3 and engages, interior bucket Locked, clutch returns to washing state;Clutch stage clip 26 is compressed simultaneously.
On the other hand the embodiment of the present invention provides a kind of washing machine, including clutch, wherein the clutch is this The clutch of washing machine described in inventive embodiments first aspect.The beneficial effect of washing machine provided in an embodiment of the present invention with The beneficial effect of above-mentioned clutch is similar, and here is omitted.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited thereto.At this In the range of the technology design of invention, a variety of simple variants can be carried out to technical scheme.Including each particular technique Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various possible combinations No longer separately illustrate.But these simple variants and combination should equally be considered as content disclosed in this invention, belong to the present invention Protection domain.

Claims (15)

1. a kind of clutch of washing machine, it is characterised in that the clutch include input shaft (11), be set in it is described defeated Enter the outer input axle sleeve (12) of axle (11), be set in the input axle sleeve (12) outside and can move axially and be dehydrated/wash to realize Wash the clutch axle sleeve (5) of change working, the ring (7) for supporting and driving the clutch axle sleeve (5) axial movement, for pacifying Fill the ring (7) and the ring support (2) and driving lever (6) of screw pair are connected as with the ring (7);Wherein, described group Bar (6) and the ring (7) are set to by the driving lever (6) in the horizontal plane perpendicular to the input shaft (11) axis direction It is interior to rotate to drive screw of the ring (7) in the ring support (2), so as to drive the clutch axle sleeve (5) Axial movement.
2. the clutch of washing machine according to claim 1, it is characterised in that be fixed with guiding on the ring (7) Sell (701), the bottom correspondence guide finger (701) of the driving lever (6), which is fixed with slideway, the slideway, to be formed with for wearing If the arcuate socket (601) of the guide finger (701);When the driving lever (6) is perpendicular to the input shaft (11) axis direction During horizontal rotation in surface, the guide finger (701) is promoted to move by the slideway, so as to drive the ring (7) described Ring support (2) inside spin is moved.
3. the clutch of washing machine according to claim 2, it is characterised in that the ring (7) includes annular and turned round Body and the linking arm (702) for being fixed on the annular revolving body side, the guide finger (701) are fixed on the linking arm (702) end;It is convex that ring wedge shape is formed with the end face (703) of the direction ring support (2) of the annular revolving body Rise (705), the ring wedge-shaped protrusion (705) have the ring wedge-shaped protrusion plane (704) parallel with the end face (703) with And being used between the ring wedge-shaped protrusion plane (704) and the end face (703) is connected with the ring support (2) For the ring wedge-shaped protrusion inclined-plane (706) of screw pair;The linking arm (702) is bent over arms;And/or, the arcuate socket (601) For the wide waist round hole of arc.
4. the clutch of washing machine according to claim 3, it is characterised in that the ring support (2) is middle backlash Swivel, the top side wall correspondence linking arm (702) of the ring support (2) offers linking arm and avoids mouth (202);
On the inside of the bottom of the ring support (2) energy is formed with along the ring circumferential direction correspondence ring wedge-shaped protrusion plane (704) Enough ring chassis planes (207) fitted with the ring wedge-shaped protrusion plane (704);The ring chassis plane (207) The upper correspondence ring wedge-shaped protrusion (705) is formed with ring support wedge-shaped protrusion (206);The ring support wedge-shaped protrusion (206) with the ring support wedge-shaped protrusion plane (208) that can be fitted with the end face (703) and positioned at described group Being used between ring support wedge-shaped protrusion plane (208) and the ring chassis plane (207) is oblique with the ring wedge-shaped protrusion Face (706) is connected as the ring support wedge-shaped protrusion inclined-plane (201) of screw pair.
5. the clutch of washing machine according to claim 4, it is characterised in that correspondence is described on the end face (703) Circumferentially arcuate groove (209) on ring support (2) is formed with limited post (707);And/or, the ring wedge-shaped protrusion plane (704) difference in height between the end face (703) is more than the axial range of the clutch axle sleeve (5);And/or, it is described The locating dowel (205) for ring described in radial positioning (7) is formed with the inwall of ring support (2).
6. the clutch of washing machine according to claim 1, it is characterised in that the clutch also includes housing (1), the driving lever (6) is articulated on the housing (1) and can be around the pivot pin parallel to the input shaft (11) axis direction (22) rotate in the horizontal plane.
7. the clutch of washing machine according to claim 6, it is characterised in that housing (1) bottom is fixed with One fluted disc (3), first fluted disc (3) has the first clutch teeth portion;The bottom of the input shaft (11) is coaxially fixed with the second tooth Disk (4), second fluted disc (4) has the second clutch teeth portion;The clutch axle sleeve (5) passes through splined hole and the input axle sleeve (12) it is slidably connected;The side of direction first fluted disc (3) of the clutch axle sleeve (5) be formed with can with described first from Close the 3rd clutch teeth portion of teeth portion engagement;The side of direction second fluted disc (4) of the clutch axle sleeve (5) is formed with can The 4th clutch teeth portion engaged with the second clutch teeth portion;
Wherein, when the washing machine is in washing operating mode, the first clutch teeth portion is engaged with the 3rd clutch teeth portion, described Second clutch teeth portion and the 4th clutch toothed portion from;When the washing machine is in dehydration condition, the second clutch teeth portion Engaged with the 4th clutch teeth portion, the first clutch teeth portion and the 3rd clutch toothed portion from.
8. the clutch of washing machine according to claim 7, it is characterised in that first fluted disc (3) towards institute The side for stating housing (1) corresponds to the positioning hole (102) and screwed hole (103) of the housing (1) bottom and is formed with alignment pin respectively (302) and mounting hole (303), the side correspondence mounting hole (303) of the dorsad described housing (1) of first fluted disc (3) It is formed with positioning boss (307);And/or, the side of the dorsad described housing (1) of first fluted disc (3) is respectively along ring Zhou Fang To be formed radially reinforcement (306);And/or, the edge correspondence ring of first fluted disc (3), which is formed with, to be dialled Ring avoids mouth (304).
9. the clutch of washing machine according to claim 7, it is characterised in that the clutch axle sleeve (5) towards institute The side of the first fluted disc (3) is stated with lightening grooves (501) are centrally formed with, the lightening grooves (501) are interior to be provided with clutch stage clip (26)。
10. the clutch of washing machine according to claim 7, it is characterised in that the first clutch teeth portion, described second Tooth in clutch teeth portion, the 3rd clutch teeth portion and the 4th clutch teeth portion is stairstepping tooth (100).
11. the clutch of washing machine according to claim 7, it is characterised in that the ring support (2) is fixed on institute The bottom of the first fluted disc (3) is stated, one end of direction first fluted disc (3) of the ring support (2) corresponds to described respectively Catching groove (305) and ring rack positioning hole (301) on one fluted disc (3) are formed with buckle (204) and ring support alignment pin (203)。
12. the clutch of washing machine according to claim 6, 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) the bottom margin correspondence ring (7) is formed with ring and avoids mouth (104).
13. the clutch of washing machine according to claim 1, it is characterised in that the clutch also includes and institute The brake disc (14) that input axle sleeve (12) is fixedly connected is stated, the driving lever (6) can be perpendicular to the input shaft (11) axis The horizontal rotation in surface in direction is to brake or unlock the brake disc (14).
14. the clutch of the washing machine according to any one in claim 1-13, it is characterised in that the driving lever (6) it is driven to by the water discharge dragging device of washing machine in the horizontal rotation in surface perpendicular to the input shaft (11) axis direction.
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.
CN201710401598.9A 2017-05-31 2017-05-31 Clutch mechanism of washing machine and washing machine Active CN107287830B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112571941A (en) * 2020-11-30 2021-03-30 浙江星淦科技有限公司 Gilt version change device convenient to it is tight to press from both sides
CN114575118A (en) * 2020-12-01 2022-06-03 合肥美的洗衣机有限公司 Transmission mechanism, clothes treatment device and control method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291556A (en) * 1979-05-04 1981-09-29 Whirlpool Corporation Automatic washer transmission shift mechanism
CN105316902A (en) * 2014-07-31 2016-02-10 青岛海尔洗衣机有限公司 Decelerating clutch casing of washing machine and washing machine
CN205474440U (en) * 2016-01-18 2016-08-17 安徽聚隆传动科技股份有限公司 Engagement type clutch of washing machine tooth
CN206145015U (en) * 2016-10-28 2017-05-03 奇精机械股份有限公司 Washing machine clutch of separation and reunion switching mechanism and applied this mechanism for washing machine
CN206799975U (en) * 2017-05-31 2017-12-26 广东威灵电机制造有限公司 The clutch and washing machine of washing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291556A (en) * 1979-05-04 1981-09-29 Whirlpool Corporation Automatic washer transmission shift mechanism
CN105316902A (en) * 2014-07-31 2016-02-10 青岛海尔洗衣机有限公司 Decelerating clutch casing of washing machine and washing machine
CN205474440U (en) * 2016-01-18 2016-08-17 安徽聚隆传动科技股份有限公司 Engagement type clutch of washing machine tooth
CN206145015U (en) * 2016-10-28 2017-05-03 奇精机械股份有限公司 Washing machine clutch of separation and reunion switching mechanism and applied this mechanism for washing machine
CN206799975U (en) * 2017-05-31 2017-12-26 广东威灵电机制造有限公司 The clutch and washing machine of washing machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112571941A (en) * 2020-11-30 2021-03-30 浙江星淦科技有限公司 Gilt version change device convenient to it is tight to press from both sides
CN112571941B (en) * 2020-11-30 2024-02-06 浙江星淦科技有限公司 Gilt version changing device convenient to press from both sides tightly
CN114575118A (en) * 2020-12-01 2022-06-03 合肥美的洗衣机有限公司 Transmission mechanism, clothes treatment device and control method
CN114575118B (en) * 2020-12-01 2023-09-15 合肥美的洗衣机有限公司 Transmission mechanism, clothes treatment device and control method

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