CN107022874A - A kind of washing machine clutch for clutch control method and speed-reducing clutch - Google Patents
A kind of washing machine clutch for clutch control method and speed-reducing clutch Download PDFInfo
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- CN107022874A CN107022874A CN201610071498.XA CN201610071498A CN107022874A CN 107022874 A CN107022874 A CN 107022874A CN 201610071498 A CN201610071498 A CN 201610071498A CN 107022874 A CN107022874 A CN 107022874A
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- ratchet
- clutch
- washing machine
- wheel
- spring
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies 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)
Abstract
The invention provides a kind of washing machine clutch for clutch control method and speed-reducing clutch, described washing machine includes clutch, clutch includes clutch and embraces spring, upper ratchet, bottom ratchet wheel, first ratchet and the second ratchet, described bottom ratchet wheel is identical with the rotation direction that spring is embraced in clutch after installing, upper ratchet embraces the oppositely oriented of spring after installing with clutch, the first described ratchet engages with bottom ratchet wheel, when second ratchet engages with upper ratchet, clutch is embraced spring and unclamped, realize washing, first ratchet is separated with bottom ratchet wheel, when second ratchet is separated with upper ratchet, clutch is embraced spring and tightened up, realize dehydration；Described clutch for clutch control method includes：Washing machine performs washing/rinsing program, and the first ratchet of control starts to engage with bottom ratchet wheel to be started to engage progress prior to the second ratchet and upper ratchet.The washing machine clutch for clutch control method combination washing machine course of work of the present invention and the action relationships of clutch, make clutch more stablize.
Description
Technical field
The present invention relates to washing machine technology field, in particular it relates to a kind of washing machine clutch for clutch control method and deceleration clutch
Device.
Background technology
Clutch structure belongs to decelerating clutch of washing machine core, clutch realized under not stopped status washing machine from
Washing and the mutual conversion of dewatering state rely primarily on clutch.Clutch includes pawl arm, brake arm, ratchet and spine
Pawl.Generally we are using single ratchet, the clutch structure of ratchet, and pawl arm is fastenedly connected with ratchet, and ratchet is connected with ratchet driving,
Ratchet embraces spring drive connection with clutch.
There are 2 circle collars single ratchet, clutch armful spring one end of the clutch structure of ratchet, and the other end has radial direction the end of a thread, is embedded in spine
In the radial slot of wheel.In washing, the ratchet in pawl arm blocks ratchet, and clutch is embraced spring and is released, during dehydration, in pawl arm
Ratchet disengages ratchet, and clutch embraces spring and holds braking wheel cap and torque transmissioning shaft set tightly.Such a clutch structure be applied to have unilateral bearing from
Clutch, such as without unilateral bearing, in washing, due to the transfer of interior bucket, to ensure that ratchet can effectively block ratchet, it is ensured that clutch is embraced
The releasing orientation of spring, need to use more effective clutch structure.
And be that a kind of effectively solution Inner barrels of transfers when not using unilateral bearing show using the clutch structure of double ratchet wheels ratchet
Method as causing to damage to clutch structure.The clutch structure of existing double ratchet wheels ratchet, two ratchets are typically all to block simultaneously
Conjunction and simultaneously separation, this mode, in washing machine normal work, will not produce any problem, still, if there is clutch knot
The action of structure is not fully finished, when motor is just started working, and is likely to result in the damage of clutch.
In view of this, it is special to propose the present invention.
The content of the invention
In order to solve the above problems, the first goal of the invention of the invention is to provide a kind of washing machine clutch for clutch control method, tool
Body, employ following technical scheme：
A kind of washing machine clutch for clutch control method, described washing machine includes clutch, clutch include clutch embrace spring,
Upper ratchet, bottom ratchet wheel, the first ratchet and the second ratchet, described bottom ratchet wheel are identical with the rotation direction that spring is embraced in clutch after installing, upper spine
Wheel embraces the oppositely oriented of spring after installing with clutch, and the first described ratchet engages with bottom ratchet wheel, and the second ratchet engages with upper ratchet
When, clutch is embraced spring and unclamped, and realizes washing, the first ratchet is separated with bottom ratchet wheel, when the second ratchet is separated with upper ratchet, and spring is embraced in clutch
Tighten up, realize dehydration；Described clutch for clutch control method includes：
Washing machine performs washing/rinsing program, control the first ratchet and bottom ratchet wheel start to engage prior to the second ratchet with it is upper
Ratchet, which starts engaging, to be carried out.
Further, washing machine performs washing/rinsing program, and the first ratchet is into depth in the tooth of bottom ratchet wheel more than 1/5
During tooth depth, it is preferable that during more than 1/3 tooth depth, the second ratchet starts to engage with upper ratchet.
Further, described clutch for clutch control method also includes：
Washing machine performs dehydration procedure, and the second ratchet of control is initially separated with upper ratchet to be opened prior to the first ratchet and bottom ratchet wheel
Begin to separate and carry out.
Further, washing machine performs dehydration procedure, when tooth top of second ratchet away from upper ratchet is more than 0.5mm, first
Ratchet is initially separated with bottom ratchet wheel.
The second goal of the invention of the present invention is to provide a kind of decelerating clutch of washing machine, specifically, using following technology
Scheme：
A kind of decelerating clutch of washing machine, described clutch includes clutch and embraces spring, upper ratchet, bottom ratchet wheel and ratchet
Arm, upper ratchet and bottom ratchet wheel are respectively sleeved at clutch and embrace the two ends of spring and linked with it, and the first ratchet and the are set in pawl arm
Two ratchets, the first ratchet correspondence bottom ratchet wheel, the upper ratchet of the second ratchet correspondence；The first described ratchet engages with bottom ratchet wheel, and second
When ratchet engages with upper ratchet, clutch is embraced spring and unclamped, and realizes washing, and the first ratchet is separated with bottom ratchet wheel, the second ratchet and upper spine
During wheel separation, clutch is embraced spring and tightened up, and realizes dehydration；Relative angle between the first described ratchet and the second ratchet is met：Wash
Clothing machine performs washing/rinsing program, and the first ratchet starts to engage and starts to engage with upper ratchet prior to the second ratchet with bottom ratchet wheel；Wash
Clothing machine performs dehydration procedure, and the second ratchet is initially separated with upper ratchet and is initially separated prior to the first ratchet and bottom ratchet wheel.
Further, the first described ratchet has the first acting surface offseted in engaging with bottom ratchet wheel, the second ratchet
With the second acting surface offseted in engaging with upper ratchet；Angle between the first described acting surface and the second acting surface is
135 °~165 °.
Further, described pawl arm includes connecting portion and arm body, and connecting portion is fixedly mounted in rotating shaft and with one
Rise and rotate, the free end end of arm body sets the first ratchet, and the middle part of arm body sets the second ratchet.
Further, the first described ratchet is fixedly installed on arm body, described the second ratchet for elastic construction or
It can be moved relative to arm body.
Further, the second described ratchet is spindle rotationally arranged on arm body, the direction of the second pawl rotation and dehydration
When on pawl wheel it is in opposite direction.
Further, in addition to deceleration train and housing；Described deceleration train is arranged in housing, close to upper on housing
One end of ratchet sets bearing block；Detent mechanism is additionally provided with described pawl arm, the outer peripheral surface of bearing block is localization machine
The locating surface of structure, when detent mechanism is contacted with the outer peripheral surface of bearing block, can limit pawl arm and further move.
The washing machine clutch for clutch control method of the present invention, in washing/rinsing, the first ratchet of control starts to engage with bottom ratchet wheel
Start to engage progress prior to the second ratchet and upper ratchet, so, the first ratchet first realizes combination with bottom ratchet wheel, due to bottom ratchet wheel peace
Identical with the rotation direction that spring is embraced in clutch after dress, now, clutch is embraced spring and partially opened when bottom ratchet wheel is rotated, if now motor is opened
When dynamic, you can realize washing/rinsing, clutch will not be caused to damage.
Similarly, in dehydration, the second ratchet is first separated with upper ratchet, and clutch embraces spring also in open mode, if now electric
When machine starts, spring is embraced in clutch will not follow axis of rotation, even if the first ratchet is not separated with bottom ratchet wheel, will not also occur " beating tooth "
Phenomenon, will not cause to damage to clutch.
Therefore, the action of the washing machine clutch for clutch control method combination washing machine course of work and clutch of the invention is closed
System, makes clutch more stablize.
The setting of the first ratchet and the second ratchet of the decelerating clutch of washing machine of the present invention can be met to be turned in pawl arm
During dynamic, the first ratchet " first enters to go out afterwards ", it is ensured that the resistance to overturning of clutch.
Brief description of the drawings
The structural representation of Fig. 1 decelerating clutch of washing machine of the present invention；
The partial sectional view of Fig. 2 decelerating clutch of washing machine of the present invention；
The front view of Fig. 3 pawl arms of the present invention；
The left view of Fig. 4 pawl arms of the present invention；
The rearview of Fig. 5 pawl arms of the present invention；
The right view of Fig. 6 pawl arms of the present invention；
The sectional view in B-B faces in Fig. 6 of Fig. 7 present invention；
The sectional view of Fig. 8 decelerating clutch of washing machine of the present invention；
The explosive view of the clutch of the washing machine of Fig. 9 present invention；
The structural representation of Figure 10 decelerating clutch of washing machine brake bands of the present invention.
Label declaration in accompanying drawing：100- belt pulley 200- pawl arm 201- linking arms the first ratchets of 202- 203-
Two ratchet 204- installation axle 205- locating piece 206- connecting portion 207- arm body 208- fixing holes the second detent mechanisms of 209-
210- location divisions 211- fixing nut 212- packing ring 213- back-moving spring 300- housing 301- bearing block 400- brake arms
401- the first connecting shaft 402- the second connecting shaft 500- rotating shaft 600- resetting-mechanism 700- upper end cover 800- water seals 900-
Spring 1300- torque transmissioning shaft sets are embraced in ratchet 1200- clutches on output sleeve 1000- output shaft 1101- bottom ratchet wheels 1102-
1400- input shafts 1500- braking wheel cap 1600- bearing 1700- braked wheel 1800- brake bands 1801- band bodies 1802- the
One kink 1803- the first mounting hole 1804- reinforcements 1805- the first solder joint the second solder joints of 1806- 1807- the 3rd is welded
The solder joints of the 5th the 6th solder joint 1812- of solder joint 1811- of point 1808- the second kink 1809- the second mounting hole 1810- the 4th.
Embodiment
A kind of washing machine clutch for clutch control method and speed-reducing clutch to the present invention are described in detail below in conjunction with the accompanying drawings：
A kind of washing machine clutch for clutch control method, described washing machine includes clutch, clutch include clutch embrace spring,
Upper ratchet, bottom ratchet wheel, the first ratchet and the second ratchet, described bottom ratchet wheel are identical with the rotation direction that spring is embraced in clutch after installing, upper spine
Wheel embraces the oppositely oriented of spring after installing with clutch, and the first described ratchet engages with bottom ratchet wheel, and the second ratchet engages with upper ratchet
When, clutch is embraced spring and unclamped, and realizes washing, the first ratchet is separated with bottom ratchet wheel, when the second ratchet is separated with upper ratchet, and spring is embraced in clutch
Tighten up, realize dehydration；Described clutch for clutch control method includes：
Washing machine performs washing/rinsing program, control the first ratchet and bottom ratchet wheel start to engage prior to the second ratchet with it is upper
Ratchet, which starts engaging, to be carried out.
The washing machine clutch for clutch control method of the present invention, in washing/rinsing, the first ratchet of control starts to engage with bottom ratchet wheel
Start to engage progress prior to the second ratchet and upper ratchet, so, the first ratchet first realizes combination with bottom ratchet wheel, due to bottom ratchet wheel peace
Identical with the rotation direction that spring is embraced in clutch after dress, now, clutch is embraced spring and partially opened when bottom ratchet wheel is rotated, if now motor is opened
When dynamic, you can realize washing/rinsing, clutch will not be caused to damage.
Further, washing machine performs washing/rinsing program, and the first ratchet is into depth in the tooth of bottom ratchet wheel more than 1/5
During tooth depth, the second ratchet starts to engage with upper ratchet.Preferably, the first ratchet enter bottom ratchet wheel tooth in depth more than 1/3 tooth
When deep, the second ratchet starts to engage with upper ratchet.So, it is ensured that the first ratchet completes to engage prior to the second ratchet, when first
Ratchet is completed after engaging, even if electric motor starting, can also realize washing/rinsing, and clutch will not be caused to damage.
A kind of washing machine clutch for clutch control method of the present invention also includes：Washing machine performs dehydration procedure, controls the second ratchet
It is initially separated with upper ratchet and is initially separated progress prior to the first ratchet and bottom ratchet wheel.
Similarly, the second ratchet is first separated with upper ratchet, clutch embrace spring also in open mode, if now electric motor starting when,
Spring is embraced in clutch will not follow axis of rotation, even if the first ratchet is not separated with bottom ratchet wheel, will not also occur " beating tooth " phenomenon, will not
Clutch is caused to damage.
Further, washing machine performs dehydration procedure, when tooth top of second ratchet away from upper ratchet is more than 0.5mm, first
Ratchet is initially separated with bottom ratchet wheel.So, it is ensured that the second ratchet completes to separate prior to the first ratchet, when the second ratchet completes to divide
From rear, even if the first ratchet outstanding split, if electric motor starting, clutch will not be caused to damage.
Therefore, the action of the washing machine clutch for clutch control method combination washing machine course of work and clutch of the invention is closed
System, makes clutch more stablize.
As can be seen from figures 8 and 9, invention also provides a kind of decelerating clutch of washing machine, described clutch bag
Include clutch and embrace spring 1200, upper ratchet 1102, bottom ratchet wheel 1101 and pawl arm 200, upper ratchet 1102 and bottom ratchet wheel 1101 cover respectively
It is located at clutch to embrace the two ends of spring 1200 and link with it, the first ratchet 202 and the second ratchet 203, first is set in pawl arm 200
The correspondence bottom ratchet wheel 1101 of ratchet 202, the upper ratchet 1102 of the second ratchet 203 correspondence；The first described ratchet 202 and bottom ratchet wheel 1101
Engaging, when the second ratchet 203 engages with upper ratchet 1102, clutch is embraced spring 1200 and unclamped, and realizes washing, the first ratchet 202 is with
Ratchet 1101 is separated, when the second ratchet 203 is separated with upper ratchet 1102, and clutch is embraced spring 1200 and tightened up, and realizes dehydration；Described
Relative angle between one ratchet 202 and the second ratchet 203 is met：Washing machine performs washing/rinsing program, the first ratchet 202
Start to engage with bottom ratchet wheel 1101 and start to engage with upper ratchet 1102 prior to the second ratchet 203；Washing machine performs dehydration procedure, the
Two ratchets 203 are initially separated with upper ratchet 1102 and are initially separated prior to the first ratchet 202 and bottom ratchet wheel 1101.
The decelerating clutch of washing machine of the present invention, by the way that the first ratchet 202 and the second ratchet 203 are set into suitable angle
Degree so that：In washing/rinsing, control the first ratchet 202 and bottom ratchet wheel 1101 start to engage prior to the second ratchet 203 with it is upper
Ratchet 1102, which starts engaging, to be carried out, so, and the first ratchet 202 first realizes combination with bottom ratchet wheel 1101, because bottom ratchet wheel 1101 is pacified
Identical with the rotation direction that spring 1200 is embraced in clutch after dress, now, clutch is embraced spring 1200 and partially opened when bottom ratchet wheel 1101 is rotated,
If now during electric motor starting, you can realize washing/rinsing, clutch will not be caused to damage；Similarly, in dehydration, second
Ratchet 203 is first separated with upper ratchet 1102, clutch embrace spring also in open mode, if now electric motor starting when, will not be to clutch
Mechanism causes to damage.
In order to which the first ratchet 202 and the second ratchet 203 realized in pawl arm 200 are engaged according to sequencing, institute
The first ratchet 202 stated has the first acting surface offseted in engaging with bottom ratchet wheel 1101, and the second ratchet 203 has in engaging
When the second acting surface for offseting with upper ratchet 1102；Angle between the first described acting surface and the second acting surface is 135 °~
165°。
As shown in Fig. 3, Fig. 4 and Fig. 5, described pawl arm 200 includes connecting portion 206 and arm body 207, and connecting portion 206 is consolidated
Dingan County is in rotating shaft 500 and rotates therewith, and the free end end of arm body 207 sets the first ratchet 202, the middle part of arm body
Second ratchet 203 is set.There is the fixing hole 208 that rotating shaft 500 is fixedly mounted on the connecting portion 206 of the present invention.
As a kind of preferred embodiment of the present invention, the first described ratchet 202 is fixedly installed on arm body 200, institute
The second ratchet 203 stated is elastic construction or can moved relative to arm body.
To ensure that mould molding effect and control ratchet cut the depth of ratchet, it is designed as elastic claw and is engaged with fixed claw
Pattern.Two ratchets incision ratchet 1/3~3/4 in an initial condition must be ensured, it is preferable that at 1/2~3/4, in dewatering state
Under, when traction electric machine opens brake arm 400, two ratchets need to disengage ratchet, and when brake arm 400 opens rated travel, ratchet is needed
Disengage ratchet distance >=1.5mm, it is preferable that >=2mm.
The first ratchet 202 of the present invention is fixedly installed, and the second described ratchet 203 is rotatably set；Described ratchet
Second detent mechanism is set, and the second detent mechanism is set close to the second ratchet 203, for limiting turning for the second ratchet on arm 200
Dynamic angle.Second detent mechanism limits the second ratchet 203 and can only rotated toward the direction, it is ensured that the monolithic stability of clutch
Property.
Second ratchet 203 is rotatably arranged in installation axle 204, and installation axle 204 is integrally formed with arm body 207, is installed
Back-moving spring 213 is arranged with axle 204, the one end of back-moving spring 213, which is stopped, to be against on arm body 207, the other end, which stops, is against the second ratchet
203 so that the second ratchet 203 resets, it is ensured that normally engaged.
Specifically, reinforcing rib structure, reinforcing rib structure are extended in the side in the pawl arm 200 close to bearing block 301
There is locating surface at the second ratchet 203.
As shown in Figure 1, Figure 2, shown in Fig. 8 and Fig. 9, in the washing condition, brake arm 400 is in original state, pawl arm 200
First ratchet 202 engages with bottom ratchet wheel 1101, and the second ratchet 203 engages with upper ratchet 1102, promotes clutch to embrace spring 1200 and unclamps
Wheel cap 1500 and torque transmissioning shaft set 1300 are braked, motor belt motor driven input shaft 1400 moves 1000 turns of output shaft through deceleration train deceleration strip
It is dynamic, realize the effect of washing/rinsing；Under dewatering state, traction electric machine pulls open brake arm 400, and pawl arm 200 is accordingly beaten
Open, the second ratchet 203 is separated with upper ratchet 1102, the first ratchet 202 is separated with bottom ratchet wheel 1101, clutch embraces spring 1200 and holds system tightly
Driving wheel lid 1500 and torque transmissioning shaft set 1300, meanwhile, the take-off the brake wheel 1700 of brake band 1800 makes output shaft 1000 and output sleeve
900, as an entirety, are realized with high speed single direction rotation and are dehydrated.
Embodiment one
As shown in figure 1, a kind of decelerating clutch of washing machine, including deceleration train, housing 300 and clutch；Described
Clutch is click clutch mode, including ratchet and pawl arm 200, be provided for engaging with ratchet in pawl arm 200/
The ratchet of washing/dehydrating is realized in separation；Described deceleration train is arranged in housing 300, close to one end of ratchet on housing 300
Bearing block 301 is set；Detent mechanism is additionally provided with described pawl arm 200, the outer peripheral surface of bearing block 301 is detent mechanism
Locating surface, when detent mechanism is contacted with the outer peripheral surface of bearing block 301, can limit pawl arm 200 further motion.
Detent mechanism is provided with the speed-reducing clutch of the present embodiment, pawl arm 200, detent mechanism is with the shell for train of slowing down
The outer peripheral surface of the bearing block 301 of the end of body 300 is locating surface, because the requirement on machining accuracy of bearing block 301 is higher, in bearing
301 parameters of seat easily facilitate the design of detent mechanism under conditions of determining, it is ensured that pawl arm 200 can be positioned effectively, it is to avoid ratchet
On arm 200 ratchet pawl arm 200 open and reseting procedure in produce skew, so that it is guaranteed that the clutch effect of clutch.
The washing machine that the positioning method of the pawl arm 200 of the present invention is suitable for existing use click clutch mode subtracts
Speed clutch, including single ratchet wheel pawl type and double ratchet wheels pawl type.The present embodiment is with the clutch of double ratchet wheels pawl type below
It is further elaborated exemplified by mechanism, but the present embodiment is not limited in the clutch of the double ratchet wheels pawl type.
As shown in Fig. 8, Fig. 9 and Fig. 2, clutch includes clutch and embraces spring 1200, upper ratchet 1102, bottom ratchet wheel 1101 and spine
Pawl arm 200, upper ratchet 1102 and bottom ratchet wheel 1101 are respectively sleeved at clutch and embrace the two ends of spring 1200 and linked with it, pawl arm
Set on 200 in first ratchet 202 and the second ratchet 203, the first ratchet 202 correspondence bottom ratchet wheel 1101, the second ratchet 203 correspondence
Ratchet 1102；The first described ratchet 202 engages with bottom ratchet wheel 1101, when the second ratchet 203 engages with upper ratchet 1102, clutch
Embrace spring 1200 to unclamp, realize washing, the first ratchet 202 is separated with bottom ratchet wheel 1101, and the second ratchet 203 is separated with upper ratchet 1102
When, clutch is embraced spring 1200 and tightened up, and realizes dehydration；Described detent mechanism is used for the first ratchet 202 and engages bottom ratchet wheel 1101, second
Pawl arm 200 is limited after the upper ratchet 1102 of the engaging of ratchet 203 further to move.
The speed-reducing clutch of the present embodiment uses the clutch mode of double ratchet wheels ratchet, and bottom ratchet wheel is engaged in the first ratchet 202
1101st, after the upper ratchet 1102 of the second ratchet 203 engaging, detent mechanism is in contact with the outer peripheral surface of bearing block 301, defines spine
The further motion of pawl arm 200, on the one hand, can ensure that the first ratchet 202 and bottom ratchet wheel 1101, the second ratchet 203 and upper ratchet
The stability of 1102 engagings, on the other hand, can avoid the further motion of pawl arm 200, extruding is produced to hook tooth or ratchet
Damage.
It follows that the set-up mode of detent mechanism determines that can click smoothly engage and separate, therefore, such as
Shown in Fig. 3, Fig. 4 and Fig. 5, described pawl arm 200 includes connecting portion 206 and arm body 207, and connecting portion 206, which is fixedly mounted on, to be turned
On axle 500 and rotate therewith, the free end end of arm body 207 sets the first ratchet 202, and the middle part of arm body sets the second spine
Pawl 203, described detent mechanism is arranged between the first ratchet 202 and the second ratchet 203.
Detent mechanism is arranged between the first ratchet 202 and the second ratchet 203 by the present embodiment, is engaged by click
What position relationship afterwards was determined, because the first ratchet 202 engaging bottom ratchet wheel 1101, the upper ratchet 1102 of the second ratchet 203 engaging
Afterwards, the part in pawl arm 200 between first ratchet 202 and the second ratchet 203 is in the state of concentric with two ratchets,
The part and the distance between ratchet edge are most short, because ratchet is coaxially disposed with bearing block 301, so in pawl arm 200
The distance between part between one ratchet 202 and the second ratchet 203 and bearing block 301 are also most short.Therefore, the present embodiment will
Detent mechanism is arranged between the first ratchet 202 and the second ratchet 203, it is easier to contacted with the outer peripheral surface of bearing block 301, real
Now position.
There is the fixing hole 208 that rotating shaft 500 is fixedly mounted on the connecting portion 206 of the present embodiment.
Specifically, described detent mechanism includes linking arm 201 and locating piece 205, linking arm 201 and pawl arm 200
Arm body 207 is integrally formed, and linking arm 201 is arranged on the arm body 207 of pawl arm 200 close to the side of housing 300, locating piece
205 are arranged on the one end extended on linking arm 201 to housing 300, and the inner surface of the protrusion linking arm 201 of locating piece 205 is set；
Described locating piece 205 has the locating surface contacted with the outer peripheral surface of bearing block.The decelerating clutch of washing machine of the present embodiment
Only detent mechanism is to protrusion at housing 300, and realization contacts positioning with bearing block 301, can save the material of pawl arm 200, drops
Low cost.
Further, described linking arm 201 extends one by the arm body inside side walls of pawl arm 200 towards housing side
Protrusion plane is formed, and the upper surface of protrusion plane sets multiple reinforcements, the free end of reinforcement connection protrusion plane and ratchet
The arm body outside side wall of arm.So, on the basis for ensureing the bulk strength of detent mechanism, material is reduced, reduction is manufactured into
This.
Further, described detent mechanism also includes elastic buffering pad, and elastic buffering pad is arranged on the positioning of locating piece
On face.Because detent mechanism is when being positioned, locating piece generally has outer peripheral surface of certain speed impacts in bearing block,
Therefore, in positioning contact in an instant, the reverse impulse force by the outer peripheral surface of bearing block is larger, easily causes locating piece to be rolled over
It is disconnected.The present invention can effectively slow down the outer peripheral surface for the bearing block that detent mechanism is subject to when being positioned by elastic buffering pad
Impulse force, it is to avoid between locating piece and linking arm be broken, on the one hand ensure that the validity of positioning, on the other hand extend positioning
The service life of mechanism.
Further, described locating piece 205 has an arc surface, the outer peripheral surface that the arc surface can be with bearing block 301
Fit.So, it is ensured that the locating piece 205 of detent mechanism is fitted tight ness rating with the outer peripheral surface of bearing block 301, it is ensured that positioning
Stability.
Further, the central angle corresponding to the arc surface of the locating piece 205 is 20 °~40 °, it is ensured that locating piece 205
Locating surface area size, it is ensured that the stability of positioning.
Yet further, the width of described locating piece 205 is the 1/3~2/3 of the outer ring width of bearing block 301, preferably
Ground, is 1/2~2/3, further ensures that the size of the locating surface area of locating piece 205, it is ensured that the stability of positioning.
As a kind of preferred embodiment of the present embodiment, described detent mechanism and the outer peripheral surface with bearing block 301
During contact, described ratchet is deep into depth in the tooth of ratchet and met：The tooth of 1/3 ratchet is high~3/4 ratchet tooth it is high.So,
On the one hand, deeply the tooth height of at least 1/3 ratchet can ensure that the validity and stability of engaging, on the other hand, deeply less than 3/4 spine
The tooth of wheel is high, it is ensured that pawl ratchet is smoothly detached, simultaneously, it is to avoid major injury tooth is extruded between ratchet and ratchet, it is ensured that make
Use the life-span.
As shown in fig. 6, first ratchet 202 of the present embodiment is fixedly installed, the second described ratchet 203 is rotatably set
Put；Second detent mechanism 209 is set in described pawl arm 200, and the second detent mechanism 209 is set close to the second ratchet 203, used
In the rotational angle for limiting the second ratchet 203.Second detent mechanism 209, which limits the second ratchet 203, to be turned toward the direction
It is dynamic, it is ensured that the resistance to overturning of clutch.Corresponding, have and the second detent mechanism on the second described ratchet 203
209 location divisions 210 being engaged.
As shown in fig. 7, the second ratchet 203 is rotatably arranged in installation axle 204, one end of installation axle 204 is fixed on
On arm body 207, the other end of installation axle 204 installs fixing nut 211 with the axial movement of spacing second ratchet 203.Installation axle
204 or pawl arm 200 on be arranged with back-moving spring 213, the one end of back-moving spring 213, which is stopped, to be against on arm body 207, the other end stop to
In the second ratchet 203 so that the second ratchet 203 resets, it is ensured that normally engaged.Specifically, it is close in the pawl arm 200
Reinforcing rib structure is extended in the side of bearing block 301, and reinforcing rib structure has locating surface at the second ratchet 203.
The pawl arm 200 of the present embodiment is positioned on the outer peripheral surface of bearing block 301 of housing 300, due to bearing block 301
Processed for precision drawing, excircle dimension precision is higher, and locating surface can ensure pawl arm well in two ratchet centre positions
200 can effectively position, it is to avoid in pawl arm 200 two detent positions pawl arm 200 open and reseting procedure in produce skew, from
And ensure the clutch effect of clutch.
Embodiment two
As shown in figure 3, fixing hole of the locating surface of the detent mechanism of the pawl arm 200 of the present embodiment apart from pawl arm 200
208 base plane height L1 are 13mm.As shown in figure 4, the locating surface of the detent mechanism of pawl arm 200 is solid with pawl arm 200
Determine the arc surface centered on H1 is at 57mm under the center line in hole 208, arc radius R1 is 20.8mm, and both sides angle α is
27.6 °, and be that vertical line is symmetrical at 57mm around H1 under the center line of fixing hole 208 of pawl arm 200, both sides air line distance H2 is
11.4mm, thickness L2 are 5mm.
Embodiment three
As shown in Figure 10, a kind of decelerating clutch of washing machine brake band, including band body 1801, band body 1801 is flat-shaped
Structure, at least one end with body 1801 is arranged on brake arm 400, described one end being connected with body 1801 with brake arm 400
With the kink reversely bent, kink and with forming mounting hole between body, the free end of kink and with being welded between body
It is into a single integrated structure.
The decelerating clutch of washing machine brake band of the present embodiment, by with body 1801 and the connection end of brake arm 400 by present
Riveting method is changed to welding, it is not necessary to consider the setting of the riveted holes of riveting, can shortened belt body 1801 end to a certain extent
Connecting length, can the length of reinforcement 1804 on longthening belt body, avoid producing flexural deformation in brake band roll forming, and in system
Swing arm 400 opens the tonicity for ensureing brake band when brake band disengages braked wheel.
During using riveting method, due to riveted holes open up position and size suffers from certain requirement, just can guarantee that
The tightness of connection, therefore, during using riveting, connecting length is relatively large.The present embodiment is changed to welding, by that will bend
Portion and heated with body 1801, reheating welding press connects as one it, it is to avoid riveted holes, connecting length is shorter.
In addition, welding manner is more simple, it is more easy to realize.
Further, described kink and between body 1801 have at least three solder joints.On the one hand, it is ensured that connection
Intensity, still further aspect, it is possible to decrease technology difficulty.
Band body width at the mounting hole of the present embodiment is narrowed, and the free end of kink is identical with body width, described
Kink and with having three solder joints between body, two solder joints are arranged on kink with mutually being existed together with body width, and are symmetrical arranged
In band body center line both sides, another solder joint is arranged on band body width and narrows place.Band body 1801 at mounting hole narrow be in order to
Realize that brake band is arranged on brake arm 400, save installing space.
The brake band of the present embodiment is applicable to one end and is fixed on housing 300, and the other end is connected on brake arm 400
Decelerating clutch of washing machine, is equally applicable to the decelerating clutch of washing machine that two ends are connected on brake arm 400.
A kind of decelerating clutch of washing machine brake band as shown in Fig. 8, Fig. 9 and Figure 10, it is adaptable to which two ends are connected to
Decelerating clutch of washing machine on brake arm 400, the described two ends of band body 1801 are separately mounted on brake arm 400, with body
Two ends have the kink reversely bent respectively, and two ends kink forms mounting hole between band body respectively, two ends kink
Free end and with integrally welded structure between body.
Further, described one end with body is the first kink 1802, and correspondence has the first mounting hole 1803；It is another
Hold as the second kink 1808, correspondence has the second mounting hole 1809；The first described mounting hole 1803 is arranged on brake arm 400
On distal end, the length of the first kink 1802 is longer than the second kink 1808.The present embodiment is arranged on braking according to brake band
Design feature on arm 400, the difference that the length of the first kink 1802 and the length of the second kink 1808 are set, so as to
In connection.Further, because the first mounting hole 1803 is arranged on the distal end on brake arm 400, so the first kink 1802
Length is longer than the second kink 1808.
Specifically, the first mounting hole 1803 is arranged on the first connecting shaft 401, and the second mounting hole 1809 is arranged on second and connected
Connect, 402, the second connection, 402 are arranged on the inner side of the first connecting shaft 401.
Specifically, the first described kink 1802 and between body 1801 have the first solder joint 1805, the second solder joint
1806 and the 3rd solder joint 1807, the first solder joint 1805 is set close to the first mounting hole 1803；Described second kink 1808 with
There is the 4th solder joint 1812, the 5th solder joint 1810 and the 6th solder joint 1811 between band body 1801, the 4th solder joint 1812 is close to second
Mounting hole 1809 is set；The distance between the first described solder joint 1805 and the first mounting hole 1803 be equal to the 4th solder joint 1812 with
The distance between second mounting hole 1809.So, to ensure the connection tightness near mounting hole.
Further, the distance between the second described solder joint 1806 and the 3rd solder joint 1807 be equal to the 5th solder joint 1810 with
The distance between 6th solder joint 1811.So, to ensure the connection tightness of kink end.
Specifically, the kink and the diameter with solder joint between body are not less than 4mm.So, with ensure welding intensity.
As a kind of preferred embodiment of the present embodiment, reinforcement 1804, reinforcement 1804 are set on described band body
Set along the center line with body, the length of reinforcement 1804 is not less than the 85% of tape body length.The brake band of the present embodiment is adopted
With the mode of welding, the length of junction is shortened, the length of reinforcement 1804 can be lengthened as far as possible, in brake band rolling
Avoid producing flexural deformation during shaping, and the tonicity for ensureing brake band when brake band disengages braked wheel is opened in brake arm 400.
The brake band of the present embodiment is using being welded to connect, compared to riveting, saves space, the reinforcement of brake band
1804 length can be lengthened accordingly, so as to ensure brake band rigidity, avoid producing flexural deformation in brake band roll forming, and
Brake arm opens the tonicity for ensureing brake band when brake band disengages braked wheel.
Described above is only presently preferred embodiments of the present invention, not makees any formal limitation to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompting make it is a little change or be modified to
The equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modification, equivalent variations and modification that above example is made, in the range of still falling within the present invention program.
Claims (10)
1. a kind of washing machine clutch for clutch control method, described washing machine includes clutch, clutch include clutch embrace spring, on
Ratchet, bottom ratchet wheel, the first ratchet and the second ratchet, described bottom ratchet wheel are identical with the rotation direction that spring is embraced in clutch after installing, upper ratchet
The oppositely oriented of spring is embraced with clutch after installation, the first described ratchet engages with bottom ratchet wheel, when the second ratchet engages with upper ratchet,
Clutch is embraced spring and unclamped, and realizes washing, the first ratchet is separated with bottom ratchet wheel, when the second ratchet is separated with upper ratchet, and clutch is embraced spring and received
Tightly, dehydration is realized；Characterized in that, described clutch for clutch control method includes：
Washing machine performs washing/rinsing program, and the first ratchet of control starts to engage prior to the second ratchet and upper ratchet with bottom ratchet wheel
Start engaging to carry out.
2. a kind of washing machine clutch for clutch control method according to claim 1, it is characterised in that washing machine performs washing/drift
Washing procedure, the first ratchet enter bottom ratchet wheel tooth in depth more than 1/5 tooth depth when, it is preferable that during more than 1/3 tooth depth, the second spine
Pawl starts to engage with upper ratchet.
3. a kind of washing machine clutch for clutch control method according to claim 1 or 2, it is characterised in that also include：
Washing machine performs dehydration procedure, and control the second ratchet and upper ratchet are initially separated to be started point prior to the first ratchet and bottom ratchet wheel
From progress.
4. a kind of washing machine clutch for clutch control method according to claim 3, it is characterised in that washing machine performs dehydration journey
Sequence, when tooth top of second ratchet away from upper ratchet is more than 0.5mm, the first ratchet is initially separated with bottom ratchet wheel.
5. a kind of decelerating clutch of washing machine using the clutch for clutch control method as described in claim 1-4 any one, described
Clutch includes clutch and embraces spring, upper ratchet, bottom ratchet wheel and pawl arm, and upper ratchet and bottom ratchet wheel are respectively sleeved at clutch and embrace spring
Two ends are simultaneously linked with it, and the first ratchet and the second ratchet, the first ratchet correspondence bottom ratchet wheel, the second ratchet correspondence are set in pawl arm
Upper ratchet；The first described ratchet engages with bottom ratchet wheel, when the second ratchet engages with upper ratchet, and clutch is embraced spring and unclamped, and realization is washed
Wash, the first ratchet is separated with bottom ratchet wheel, when the second ratchet is separated with upper ratchet, clutch is embraced spring and tightened up, and realizes dehydration；
Characterized in that, the relative angle between the first described ratchet and the second ratchet is met：Washing machine performs washing/rinsing
Program, the first ratchet starts to engage and starts to engage with upper ratchet prior to the second ratchet with bottom ratchet wheel；Washing machine performs dehydration procedure,
Second ratchet is initially separated with upper ratchet and is initially separated prior to the first ratchet and bottom ratchet wheel.
6. a kind of decelerating clutch of washing machine according to claim 5, it is characterised in that the first described ratchet has
The first acting surface offseted during engaging with bottom ratchet wheel, the second ratchet has the second acting surface offseted in engaging with upper ratchet,
Angle between the first described acting surface and the second acting surface is 135 °~165 °.
7. a kind of decelerating clutch of washing machine according to claim 5 or 6, it is characterised in that described pawl arm includes
Connecting portion and arm body, connecting portion are fixedly mounted in rotating shaft and rotated therewith, and the free end end of arm body sets the first spine
Pawl, the middle part of arm body sets the second ratchet.
8. a kind of decelerating clutch of washing machine according to claim 7, it is characterised in that the first described ratchet is fixed and set
Put on arm body, the second described ratchet is elastic construction or can moved relative to arm body.
9. a kind of decelerating clutch of washing machine according to claim 8, it is characterised in that the second described ratchet is rotatable
Be arranged on arm body, upper pawl wheel is in opposite direction when the direction of the second pawl rotation and dehydration.
10. a kind of decelerating clutch of washing machine according to claim 5 or 6, it is characterised in that also including deceleration train and
Housing；Described deceleration train is arranged in housing, and bearing block is set close to one end of upper ratchet on housing；Described pawl arm
On be additionally provided with detent mechanism, the outer peripheral surface of bearing block is the outer ring of the locating surface of detent mechanism, detent mechanism and bearing block
When surface is contacted, pawl arm can be limited and further moved.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071498.XA CN107022874B (en) | 2016-02-01 | 2016-02-01 | Clutch control method for washing machine and speed reduction clutch |
| PCT/CN2017/071905 WO2017133488A1 (en) | 2016-02-01 | 2017-01-20 | Clutch control method and speed reduction clutch for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071498.XA CN107022874B (en) | 2016-02-01 | 2016-02-01 | Clutch control method for washing machine and speed reduction clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107022874A true CN107022874A (en) | 2017-08-08 |
| CN107022874B CN107022874B (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071498.XA Active CN107022874B (en) | 2016-02-01 | 2016-02-01 | Clutch control method for washing machine and speed reduction clutch |
Country Status (1)
| Country | Link |
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| CN (1) | CN107022874B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118827A (en) * | 2018-10-31 | 2020-05-08 | 无锡小天鹅电器有限公司 | Brake for drum washing machine and drum washing machine |
| CN111336191A (en) * | 2019-11-29 | 2020-06-26 | 无锡小天鹅电器有限公司 | Clutch assembly and washing machine with same |
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| CN2155384Y (en) * | 1993-06-07 | 1994-02-09 | 赖吉洪 | Inner and outer shaft engaging and disengaging gear for fully-automatic washing machine |
| JP2001129290A (en) * | 1999-11-04 | 2001-05-15 | Matsushita Electric Ind Co Ltd | Washing machine |
| US20030034054A1 (en) * | 2000-09-19 | 2003-02-20 | Joon-Yeop Lee | Washing machine and its washing method |
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| CN2736399Y (en) * | 2004-09-24 | 2005-10-26 | 肇庆市自动化仪表二厂有限公司 | Engaging and disengaging gear for clutch of fully-automatic biomimetic hand-rubbing type washing machine |
| CN200985442Y (en) * | 2006-03-08 | 2007-12-05 | 肇庆华尔车辆检测设备有限公司 | Holding spring type clutching device |
| CN203768672U (en) * | 2014-03-20 | 2014-08-13 | 浙江三星机电股份有限公司 | Washing machine speed reducing clutch |
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| CN2155384Y (en) * | 1993-06-07 | 1994-02-09 | 赖吉洪 | Inner and outer shaft engaging and disengaging gear for fully-automatic washing machine |
| JP2001129290A (en) * | 1999-11-04 | 2001-05-15 | Matsushita Electric Ind Co Ltd | Washing machine |
| US20030034054A1 (en) * | 2000-09-19 | 2003-02-20 | Joon-Yeop Lee | Washing machine and its washing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118827A (en) * | 2018-10-31 | 2020-05-08 | 无锡小天鹅电器有限公司 | Brake for drum washing machine and drum washing machine |
| CN111336191A (en) * | 2019-11-29 | 2020-06-26 | 无锡小天鹅电器有限公司 | Clutch assembly and washing machine with same |
| CN111336191B (en) * | 2019-11-29 | 2021-10-26 | 无锡小天鹅电器有限公司 | Clutch assembly and washing machine with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107022874B (en) | 2023-04-07 |
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