WO2018228171A1 - 一种离合机构的拨杆组件、离合机构以及洗衣机驱动系统 - Google Patents

一种离合机构的拨杆组件、离合机构以及洗衣机驱动系统 Download PDF

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Publication number
WO2018228171A1
WO2018228171A1 PCT/CN2018/088607 CN2018088607W WO2018228171A1 WO 2018228171 A1 WO2018228171 A1 WO 2018228171A1 CN 2018088607 W CN2018088607 W CN 2018088607W WO 2018228171 A1 WO2018228171 A1 WO 2018228171A1
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WO
WIPO (PCT)
Prior art keywords
lever
assembly
ratchet
mounting
clutch
Prior art date
Application number
PCT/CN2018/088607
Other languages
English (en)
French (fr)
Inventor
刘晓辉
费亚德
巴妮萨
刘海荣
Original Assignee
常州新亚电机有限公司
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
Priority claimed from CN201710446054.4A external-priority patent/CN107034624B/zh
Priority claimed from CN201721350361.4U external-priority patent/CN207419078U/zh
Application filed by 常州新亚电机有限公司 filed Critical 常州新亚电机有限公司
Publication of WO2018228171A1 publication Critical patent/WO2018228171A1/zh

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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 

Definitions

  • the invention relates to the field of washing machines, in particular to a lever assembly of a clutch mechanism, and to a clutch mechanism for the use of the lever assembly, and a washing machine drive system for the clutch mechanism.
  • the main job of the washing machine is to drive the pulsator to rotate, stir the water flow and the clothes to rotate, to achieve the purpose of washing the clothes.
  • the power source of the common driving mechanism is a motor, and the output shaft of the motor transmits the torque when the motor rotates to the speed reducing device, and then the output shaft of the speed reducing device is connected with the pulsator, thereby driving the pulsator to rotate.
  • the speed of the ordinary motor is high.
  • the motor In order to get the proper output speed, in the actual application, the motor needs to be decelerated.
  • the common way is to make the motor transmit to the reducer and decelerate through the first pulley.
  • the stage gear reduction device is used to complete the deceleration of a certain speed ratio.
  • This structure is not only complicated but also takes up a lot of space.
  • the motor rotor Since the input gear shaft of the gear reduction mechanism is inserted into the shaft hole of the motor rotor, the motor rotor is used as the gear carrier of the gear reduction mechanism, and the gear reduction mechanism and the motor are effectively integrated into one body, thereby reducing the shaft of the washing machine driver.
  • the size of the washing machine makes the structure of the washing machine simple and compact, and takes up little space. Further, as disclosed in Chinese Patent Publication No.
  • a washing machine driving apparatus includes: a shaftless rotating body for providing rotational kinetic energy; and a shifting device mounted on the rotating body for rotating from the center of the rotating body Acquiring the rotational kinetic energy at the position, and outputting the power whose rotational speed is equal to or lower than the rotational speed of the rotating body; connecting the washing shaft and the dewatering bushing of the shifting device, and the equalizing or The power lower than the rotational speed of the rotating body is respectively supplied to the washing and dehydrating executing part of the washing machine; wherein the dewatering sleeve is sleeved and connected to the outside of the washing shaft, the washing machine driving device of the invention, which installs the shifting device to provide rotational kinetic energy
  • the rotating body thus compresses the volume of the entire driving device, and has a simple and compact structure, saves energy, and has low noise.
  • the Chinese invention patent publication CN103437126A which is hereby incorporated by reference by the same applicant, discloses a washing machine drive mechanism and a washing machine including an electric motor, a transmission assembly connected to the electric motor, a clutch assembly and a mounting housing, and the clutch assembly includes a clutch ring gear.
  • the mounting housing includes a stator mounting plate and a mounting plate, wherein the planetary gear is located in a wheel system cavity formed by fixed connection between the stator mounting plate and the mounting plate, and the clutch assembly is located at the stator mounting plate and the motor The motor cavity formed by the connection, wherein the clutch ring gear is axially slidably sleeved on the drive bushing to be engaged or disengaged from the rotor assembly, and is detached from the rotor assembly in a non-fixed state; the structure is simple and compact Small size.
  • the applicant's prior application has revolutionized the field of washing machine drive with respect to the volume occupation and compactness of the connection between the gear reduction mechanism and the motor in the prior art, however, the present application
  • These prior applications of the person are all installed in the motor by the shifting mechanism or the electromagnetic clutch mechanism. This requires a large installation space for the motor, which not only causes the motor to have large size, consumables, high manufacturing cost, but also the motor. Both design and manufacturing have high difficulty and are not suitable for use in the middle and low-end washing machines used by the majority of households.
  • the Chinese utility model patent with the authorization bulletin number CN2443980Y discloses a washing machine deceleration clutch directly driven by a brushless motor, which is directly coaxially mounted on the torque shaft sleeve of the clutch input shaft by a permanent magnet outer rotor brushless DC motor, and Fixed to the clutch housing, the brushless motor shaft is also the clutch transmission shaft; this technology eliminates the pulley drive, making the clutch more compact.
  • the technology adopts a permanent magnet outer rotor brushless DC motor, the motor cost is high, and the connection structure of the clutch and the rotor is complicated, and the clutch and the brake mechanism respectively adopt the independent structure of the lever and the brake arm, and the connection is adopted. It has many components, complicated connection, high cost and compact structure. It is also not suitable for the middle and low-end washing machines used by the majority of households.
  • the object of the present invention is to provide a lever assembly, a clutch mechanism and a washing machine drive system of the clutch mechanism, which are simple and compact in structure, convenient in control, low in manufacturing cost, and satisfy the requirement that the external traction motor layout is installed in the washing machine. Washing machine application requirements outside the drive system.
  • a lever assembly of a clutch mechanism includes a lever and a torsion spring
  • the lever includes a lever operating member and a lever body member respectively rotatably mounted on the mounting housing, wherein
  • the torsion spring is mounted between the lever operating member and the lever body member, the lever operating member and the lever body member are connected by a transmission; the lever operating member is connected to an external traction mechanism, and the dialing
  • the end of the rod body member is selectively coupled and disengaged with the clutch assembly of the clutch mechanism; a change in the direction of the transmission can be achieved by the transmission connection.
  • the lever operating member is provided with a transmission arm; the lever body member is fixed with a sliding shaft, wherein the transmission arm is in driving connection with the sliding shaft, and the sliding shaft and the mounting shell Body sliding connection.
  • the transmission arm has a shape of a flange or a boss.
  • the lever body member comprises a fixed connection or an integrally connected lever mounting portion and a lever body
  • the mounting housing is provided with a sliding slot, wherein the lever mounting portion is fixedly sleeved in the On the sliding shaft, one end of the sliding shaft is restrained in the sliding groove.
  • the mounting end of the lever operating member is provided with a torsion spring mounting shaft, the torsion spring is sleeved on the torsion spring mounting shaft, and the lever operating member is rotatably mounted through the torsion spring mounting shaft On the mounting housing.
  • the lever body member comprises a fixed connection or an integrally connected lever mounting portion and a lever body
  • the lever mounting portion is provided with a lever mounting shaft
  • the lever mounting portion is sleeved in the dialing
  • the lever body member is rotatably mounted on the mounting housing by the lever mounting shaft.
  • the chute is in the shape of a waist or a circle or an ellipse or a cross or a profile.
  • one end of the torsion spring is limited to the lever operating member, and the other end is limited to the lever mounting portion.
  • a clutch mechanism includes a clutch assembly and a lever assembly, wherein the lever assembly employs a lever assembly as described above.
  • the driving force is selectively transmitted to the clutch assembly through the lever assembly to realize switching between the driving shaft and the driving sleeve in a separated state and a locked state
  • the clutch assembly is provided with a clutch sleeve and a spring assembly.
  • the clutch shaft sleeve is disposed outside the input end of the drive shaft of the washing machine drive system, and is fixedly connected with the rotating body of the washing machine drive system;
  • the wrap spring assembly includes a wire spring and a ratchet sleeve that is sleeved outside the wire spring.
  • the wire spring is sleeved outside the input end of the clutch sleeve and the drive sleeve; wherein
  • the ratchet includes a first ratchet and a second ratchet coaxially sleeved outside the wire spring and having a ratchet taper direction inconsistent, wherein one end of the wire spring is limited to the first ratchet and the other end Restricted to the second ratchet;
  • the lever assembly includes a fork assembly sleeved on the outside of the ratchet and mounted on a mounting housing of the washing machine drive system, wherein the fork assembly is provided with a first ratchet engageable with the first ratchet And a second spine engageable with the second ratchet.
  • the fork assembly includes a fork dial that acquires the driving force and a fork bracket fixed on the stator mounting plate, wherein the first ratchet and the second ratchet are respectively opposite through the mounting shaft Rotatingly mounted on the fork frame; the first and second spines are slidably coupled to the end faces of the fork carousel, respectively.
  • an end surface of the fork dial is provided with a first sliding slot and a second sliding slot; the first ratchet boss and the second ratchet boss are respectively along the first slot slot side and the first slot The two chute slots slide.
  • a washing machine drive system includes a rotating body and a transmission device, the transmission device includes a speed reduction mechanism and a clutch mechanism, the speed reduction mechanism acquires rotational power of the rotating body, and selectively outputs rotational power to the washing machine through the clutch mechanism
  • the washing machine drive system includes a brake mechanism
  • the brake mechanism includes a brake band
  • the brake band is sleeved outside the drive bushing of the washing machine drive system, and one end of the brake band is mounted on the lever The other end of the operating member is fixed to the mounting housing.
  • the rotating body is a motor or a pulley
  • the speed reducing mechanism includes a gear reduction system, and a drive shaft respectively connected to the gear reduction system, a drive sleeve sleeved outside the drive shaft and rotatably connected thereto, The input end of the drive shaft is fixedly connected with the rotating body;
  • the mounting housing includes a stator mounting plate and a mounting plate, and the speed reducing mechanism is located in a cavity formed by fixed connection between the stator mounting plate and the mounting plate, and the lever operating member and the lever body member are respectively rotatably mounted on the
  • the stator is mounted on a disk.
  • the PSC motor described in the text of the present invention refers to a capacitor running motor; the wire spring and the torsion spring all refer to an elastic product made of an elastic material, which has elasticity and rigidity, and is generally made of a metal member, a wire spring, The name of the torsion spring does not have a limiting meaning.
  • the invention proposes a PSC motor with an outer rotor structure as a power input end of a washing machine drive system for removing a pulley, which greatly simplifies the transmission device, and is also advantageous for compact installation of the motor and the transmission device, and the PSC motor has low cost and a simple connection structure. It is very suitable for the middle and low-end washing machines in the home.
  • the present invention provides that the clutch assembly of the clutch mechanism is disposed at the input end of the drive shaft of the speed reduction mechanism fixedly coupled to the outer rotor assembly, thereby effectively reducing the installation height of the clutch assembly, and it is proposed to provide a lever jack inside the stator mounting plate.
  • the step surface of the clutch mechanism is inserted into the upper end opening of the stator mounting plate along the upper end opening of the stator mounting plate to selectively transmit the driving force to the spring assembly of the clutch assembly to realize the loosening or reset locking of the spring assembly.
  • the utility model further effectively reduces the installation width of the clutch assembly, greatly reduces the installation volume of the washing machine drive system of the invention, facilitates the compact structure, and reduces the consumption of the installation connector, which not only facilitates batch assembly, but also reduces manufacturing cost.
  • the invention realizes that the lever is disposed inside the mounting housing, which effectively avoids the problem that the invention may damage the lever during transportation or transportation, resulting in inaccurate operation of the lever, and further improves the overall product of the invention. Compact and beautiful.
  • the present invention provides that the ratchet wheel is disposed as a first ratchet and a second ratchet that are coaxially sleeved outside the wire spring and have a ratchet taper direction inconsistent, and are disposed outside the ratchet wheel and mounted on the mounting shell of the washing machine drive system.
  • a fork assembly wherein the fork assembly is provided with a first ratchet engageable with the first ratchet and a second ratchet engageable with the second ratchet; the present invention achieves double ratchet double ratchet engagement by providing a single fork assembly
  • the transmission clutch avoids the use of the complicated double lever in the prior art to realize the meshing transmission clutch of the double ratchet double spines.
  • the invention has the advantages of simple structure and convenient control, and the double-spindle double-spindle meshing transmission clutching mode realizes the holding The two ends of the spring assembly are loosened to further ensure the accuracy of the clutch state switching.
  • the present invention further provides a specific structure of the fork assembly, comprising a fork dial for obtaining the driving force of the lever assembly and a fork bracket fixed on the mounting housing, the first ratchet
  • the second ratchet and the second ratchet are respectively rotatably mounted on the fork frame through the mounting shaft; the first ratchet and the second ratchet are respectively slidably connected with the end faces of the fork dial, and the fork assembly has a simple structure, reliable control, and is convenient for installation and connection.
  • the invention proposes a simple and reliable mounting structure of the lever assembly, which effectively reduces the consumption of the mounting connector, and further proposes a limiting piece with a limiting surface and an adjusting screw, and the adjusting screw adjusts the torsion spring through the reverse rotation.
  • the torque is so large that the driving force of the clutch assembly of the present invention to the clutch assembly is effectively controlled, and the accuracy of switching the clutch state is further ensured.
  • the invention proposes to sleeve the brake band of the brake mechanism outside the drive bushing of the washing machine drive system, and at the same time, one end of the brake band is mounted on the mounting end of the lever of the clutch mechanism, and the other end is fixed on the mounting shell.
  • the single lever assembly of the clutch mechanism realizes simultaneous control of the clutch assembly and the brake mechanism, and avoids the complicated structure in the prior art that uses the lever and the brake arm and/or the brake torsion spring to separately control the clutch and the brake, and the structure of the present invention It is simple and compact, easy to control, and further reduces the manufacturing cost of the present invention.
  • the present invention proposes to provide a heat dissipating structure in the outer rotor casing, specifically a plurality of fan blades distributed circumferentially on the inner side of the bottom surface of the casing.
  • the present invention also proposes a heat dissipation structure optimization scheme in various aspects on the fan blade foundation. The heat dissipation effect of the outer rotor motor is effectively ensured, and the high heat dissipation effect of the outer rotor motor and the transmission device which is very compactly installed according to the present invention is ensured.
  • the invention proposes that the clutch shaft is sleeved outside the input end of the drive shaft of the washing machine drive system, and is fixedly connected with the outer rotor assembly of the washing machine drive system, so as to effectively reduce the installation height of the clutch assembly, and at the same time, the clutch sleeve and the outer sleeve are proposed.
  • the outer rotor housing of the rotor motor is arranged as an integral connection structure, which effectively reduces the number of connecting members, simplifies the process of mounting and connecting, and ensures the connection fastening of the clutch sleeve and the outer rotor motor.
  • the present invention proposes that the rotor core is fixedly disposed on the inner circumferential surface of the outer rotor casing through the rotor insert. Specifically, a plurality of circumferentially distributed first rotor chutes are disposed inside the rotor core, and the rotor inserts are plurality of The insert diagonal strips are respectively embedded in the first rotor chute, the outer circumference of the rotor core is spaced apart from the plurality of second rotor chutes, and the plurality of housing diagonal strips on the inner peripheral surface of the outer rotor shell are respectively embedded in the second rotor oblique In the groove, the rigidity of the rotor core is greatly enhanced, and the working efficiency of the outer rotor motor can be effectively improved.
  • the present invention proposes a simple and reliable lever assembly structure, which not only effectively reduces the consumption of the mounting connector, but also has a simple and compact structure, convenient control, and further reduces the manufacturing cost of the clutch mechanism, and the present invention will dial
  • the rod assembly is provided with a lever operating member and a lever body member having a transmission connection relationship, thereby realizing a change in the transmission direction, thereby satisfying the application requirements of the washing machine requiring the external traction motor layout to be installed outside the washing machine drive system.
  • FIG. 1 is a schematic perspective view showing a three-dimensional structure of a washing machine driving system according to an embodiment of the present invention
  • Figure 2 is a schematic view showing the structure of Figure 1 in another direction;
  • Figure 3 is a cross-sectional structural view of Figure 1;
  • Figure 4 is an enlarged view of the structure at A in Figure 3;
  • Figure 5 is an enlarged view of the structure of B in Figure 3;
  • Figure 6 is a schematic view showing the mounting structure of the lower lever assembly according to the embodiment of the present invention.
  • Figure 7 is a schematic view showing the structure of Figure 6 in another direction
  • Figure 8 is a schematic view showing the structure of Figure 6 in another direction
  • FIG. 9 is a schematic structural view of a lower lever assembly according to an embodiment of the present invention.
  • Figure 10 is a schematic view of the exploded structure of Figure 9.
  • Figure 11 is a schematic exploded view of the outer rotor assembly 110 of Figure 3;
  • Figure 12 is an enlarged schematic view showing the structure of C in Figure 11;
  • Figure 13 is a schematic structural view of the outer rotor housing 111 of Figure 11;
  • Figure 14 is a schematic structural view of an outer rotor housing 711 according to another embodiment of the present invention.
  • Figure 15 is a schematic view showing the structure of the inner stator assembly 120 of Figure 3;
  • Figure 16 is an enlarged schematic view showing the structure of D in Figure 11;
  • Figure 17 is an enlarged schematic view showing the structure of E in Figure 15;
  • Figure 18 is a schematic structural view of a clutch sleeve 311 according to a specific embodiment of the present invention.
  • Figure 19 is a schematic structural view of a wrap spring assembly 312 according to an embodiment of the present invention.
  • Figure 20 is a schematic structural view of a buck spring assembly 312" according to another embodiment of the present invention.
  • 21 is a schematic structural view of a fork assembly 630 according to another embodiment of the present invention.
  • Figure 22 is a schematic view of the exploded structure of Figure 21.
  • the embodiment of the invention discloses a lever assembly of a clutch mechanism, the lever assembly includes a lever and a torsion spring, and the lever includes a lever operating member and a lever body member respectively rotatably mounted on the mounting housing, wherein, the torsion spring is installed between the lever operating member and the lever body member, the lever operating member and the lever body member are connected by a transmission; the lever operating member is connected with an external traction mechanism, and the end portion of the lever body member is coupled with the clutch
  • the clutch assembly of the mechanism selectively mates and disconnects.
  • the embodiment of the invention also discloses a clutch mechanism comprising a lever assembly and a clutch assembly, wherein the lever assembly employs the lever assembly as described above.
  • the embodiment of the invention further discloses a washing machine drive system, comprising a rotating body and a transmission device.
  • the transmission device comprises a speed reduction mechanism and a clutch mechanism.
  • the speed reduction mechanism acquires the rotational power of the rotating body, and the rotating power is selectively output to the washing machine through the clutch mechanism.
  • the washing execution unit and the dewatering execution unit, wherein the clutch mechanism employs a clutch mechanism as described above.
  • a washing machine driving system includes a rotating body and a transmission device.
  • the transmission device includes a speed reducing mechanism 200, a clutch mechanism 300 and a mounting housing 400.
  • the speed reducing mechanism 200 acquires a rotation of the rotating body.
  • the driving force is selectively outputted to the washing and executing components of the washing machine by the clutch mechanism 300, and the driving system is fixedly mounted on the washing machine through the mounting housing 400.
  • the rotating body in the embodiment of the present invention is the PSC motor 100.
  • the PSC motor 100 includes an outer rotor assembly 110 and an inner stator assembly 120 located inside the outer rotor assembly 110.
  • the rotating body can also be other types of motors or pulleys; in particular, in this embodiment
  • the washing execution part of the washing machine is a pulsator, and the dehydration executing part of the washing machine is an inner barrel.
  • the outer rotor assembly 110 has an outer diameter ranging from 150 to 190 mm, an inner diameter ranging from 120 to 160 mm, and a height ranging from 55 to 75 mm.
  • the inner stator assembly 120 has an outer diameter in the range of 120-150 mm and an inner diameter in the range of 60-90 mm.
  • the outer rotor assembly 110 has an outer diameter of 168 mm, an inner diameter of 138 mm, and a height of 65 mm; the inner stator assembly 120 has an outer diameter of 137 mm and an inner diameter of 73 mm; and the embodiment uses a PSC motor as the removal.
  • the power input end of the washing machine drive system of the pulley greatly simplifies the transmission device, and also facilitates the compact installation of the outer rotor motor 100 and the transmission device. At the same time, the cost of the PSC motor is low, and the connection structure is simple, which is very suitable for the middle and low gears used by the majority of households. The field of washing machines.
  • the outer rotor assembly 110 includes an outer rotor housing 111 and a rotor core 112 .
  • the rotor core 112 is fixedly disposed on the inner circumference of the outer rotor housing 111 by the rotor insert 130 .
  • the rotor core 112 is formed by laminating a plurality of rotor cores, wherein the rotor core 112 has a plurality of spaced circumferential distributions.
  • the first rotor chute 141, the plurality of insert diagonal strips 131 of the rotor insert 130 are respectively embedded in the first rotor chute 141.
  • the number of the first rotor chutes 141 is 61
  • the outer circumference of the rotor core 112 is spaced apart from the plurality of second rotor chutes 142.
  • the second rotor chute 142 has a T-shaped cross-sectional shape, the number of which is 32
  • the outer rotor housing 111 A plurality of housing diagonal strips 116 on the circumferential surface are respectively embedded in the second rotor chute 142, so that the rigidity of the rotor core 112 is greatly enhanced, and the working efficiency of the motor is effectively improved; preferably, the rotor insert 130 and the outer portion
  • the rotor housing 111 is made of injection molded parts, When the outer rotor assembly 110 is manufactured, the rotor insert 130 is integrally molded on the rotor core 112 to obtain an assembly, and then the outer rotor housing 111 is integrally molded on the assembly, and finally the outer rotor assembly 110 is obtained;
  • the outer rotor assembly 110 provided by the method has
  • the inner stator assembly 120 includes a stator core 121, a stator insulation frame 123, and an electromagnetic coil 122.
  • the stator core 121 is formed by laminating a plurality of stator core sheets, wherein the electromagnetic coil 122
  • the stator insulation frame 123 and the insulating groove piece are insulatively disposed in the stator slot 124 of the stator core 121 to meet the insulation requirement; specifically, in the embodiment, the stator insulation frame 123 includes the stator.
  • stator insulating frame and the lower stator insulating frame of the upper and lower end faces of the iron core 121 wherein the stator insulating frame 123 can be spliced on the stator core 121, or can be integrally molded on the stator core 121, and can be selected according to actual needs.
  • the insulating slot is located within the stator slot 124.
  • the number of stator slots 124 is 48.
  • the outer rotor motor 100 of the present embodiment provides a preferred technical solution of the first rotor chute 141, the second rotor chute 142, and the stator slot 124, which can effectively improve the working efficiency of the motor and save manufacturing costs, and it should be noted that In other embodiments, the number of the first rotor chute 141, the second rotor chute 142, and the stator slot 124 may be specifically set according to actual needs of the motor.
  • the outer rotor housing 111 includes a housing having an inner space and an upper end opening, and the outer side has a housing step (shown in the figure, but The outer rotor assembly 111 is provided with a heat dissipation structure.
  • the heat dissipation structure includes a circumferentially spaced distribution on the inner side of the bottom surface of the housing 111.
  • a plurality of blades 112, specifically, in the present embodiment, the number of blades 112 is 10.
  • the heat dissipation structure further includes a heat dissipation hole 115 located at a bottom surface of the housing 111, and the heat dissipation hole 115 is located between the adjacent blades 112, wherein the heat dissipation hole 115 is disposed.
  • the side surface of the blade 112 is provided with a curved surface 112a; further preferably, the heat dissipation structure further includes a circumferentially spaced distribution on the circumferential surface of the housing 111.
  • Louvers 113 wherein both louvers 113 having curvature, particularly preferably, in the present embodiment, the radian angle 2-8 °.
  • the number of the heat dissipation windows 113 has ten; preferably, the outer circumferential surface of the casing 111 between the adjacent heat dissipation windows 113 is provided with a heat dissipation fin 114; the heat dissipation window 113 having a curvature and
  • the heat dissipating blades 114 can not only improve the mechanical mounting strength of the outer rotor casing 111, but also the heat dissipating windows 113 are spaced apart from the heat dissipating fins 114 located on the outer peripheral surface.
  • the outer rotor motor 100 of the present embodiment When the outer rotor motor 100 of the present embodiment is in operation, the outer rotor assembly 110 rotates circumferentially, and the inner stator assembly 120 generates heat, which requires heat dissipation in time, and the fan blades 112 and the heat dissipation holes 115 disposed on the outer rotor casing 111 are spaced apart. And the misaligned distribution, while the blade 112 adopts a design that extends integrally upward along the casing, and the curved surface 112a is disposed at the same time, so that the heat dissipation is strongly convected during the rotation of the outer rotor casing 111. Further, the embodiment is still in the shell.
  • the peripheral surface of the body 111 is arranged in a circumferentially spaced heat dissipation window 113, and the heat dissipation window 113 is provided with a curvature, and the heat dissipation is further strongly convected.
  • the specific heat dissipation path is: during the rotation of the outer rotor housing 111, the washing machine drive system
  • the surrounding heat-dissipating air sufficiently enters the inside of the rotor casing 111 along the heat-dissipating holes 115 of the bottom surface of the outer rotor casing 111 and the heat-dissipating windows 113 of the peripheral surface, and at the same time, by the rotation of the blades 112, the heat-dissipating air rapidly heats the heat generated by the inner stator assembly 120.
  • the axial movement is finally discharged along the upper end opening of the outer rotor housing 111, and the heat dissipation structure is very advantageous for air convection of the outer rotor motor 100. Ensure that the installation is very compact outer rotor 100 and the drive motor requires a high heat dissipation effect of the proposed embodiment of the present embodiment.
  • the rest is the same as the embodiment of the outer rotor housing 111 described above, except for the following: the present embodiment provides an outer rotor housing 711.
  • the heat dissipation structure includes a plurality of blades 712 distributed circumferentially on the inner side of the bottom surface of the outer rotor casing 711.
  • one side of the blade 712 is a curved surface 712a, and the other The side surface is a plane 712b with the bottom surface of the housing 711; preferably, the curved surface 712a is concave; more preferably, in the present embodiment, while improving the heat dissipation effect, in order to ensure the mechanical mounting strength of the outer rotor housing 711, the heat dissipation hole
  • the first heat dissipation hole 715a and the second heat dissipation hole 715b are disposed in a dislocation manner, and the first heat dissipation hole 715a and the second heat dissipation hole 715b are disposed.
  • the circumferential direction is set, and the fan blades 712 are circumferentially disposed, and the two are misaligned; the heat dissipation structure is very favorable for air convection of the outer rotor motor 100.
  • the outer rotor motor 100 proposed by the embodiment of the present invention has low manufacturing cost and high motor efficiency, and can be applied to other types of washing machine drive systems or other types of drive systems as needed, as a rotary power input mechanism, and the present invention does not. Make a limit.
  • the speed reduction mechanism 200 includes a gear reduction system, a drive shaft respectively connected to the gear reduction system, a drive sleeve sleeved outside the drive shaft and rotatably connected thereto, and the drive shaft input end is fixedly connected with the outer rotor assembly 110; preferably, please further Referring to FIG. 4, in the present embodiment, the gear reduction system uses a planetary gear train 210; specifically, in the present embodiment, the planetary gear train 210 includes a sun gear 211 that is sequentially meshed and coupled, a plurality of planetary gears 212, and The ring gear 213, the planet gears 212 are mounted on the planet carrier 215 via the planet shaft 214.
  • the number of the planet wheels 212 is four; the drive shaft includes an input shaft 220 that is coupled to the planetary gear train 210, respectively. And an output shaft 230, the driving sleeve includes an input sleeve 240 sleeved outside the input shaft 220 and rotatably connected thereto, and an output sleeve 250 sleeved outside the output shaft 230 and rotatably connected thereto, and the output sleeve is provided for processing 250 includes a fixedly coupled inner ring gear holder 251 and an output shaft sleeve body 252; wherein the sun gear 211 is fixedly mounted at one end of the input shaft 220, and the other end of the input shaft 220 and the outer rotor assembly 11
  • the outer rotor housing 111 of the 0 is fixedly connected.
  • the spline is fixedly connected and locked by a nut 260; one end of the output shaft 230 is fixedly connected to the carrier 21
  • the clutch mechanism 300 includes a clutch assembly 310 and a lever assembly 320.
  • the clutch assembly 310 is sleeved outside the input end of the input shaft 220 and the input end of the input sleeve 240, and is selectively coupled to the clutch assembly 310 by the lever assembly 320. Transmitting the driving force to realize switching between the input shaft 220 and the input sleeve 240 between the separated state and the locked state;
  • the mounting housing 400 includes a stator mounting plate 410 and a mounting plate 420.
  • the inner stator assembly 120 is fixedly mounted on the stator mounting plate 410 by fasteners, and the entire driving system is mounted on the washing machine through the mounting plate 420, and is slowed down.
  • the mechanism 200 is located in a cavity formed by the fixed connection between the stator mounting plate 410 and the mounting plate 420.
  • the stator mounting plate 410 and the mounting plate 420 are provided with a plurality of connecting holes for connecting and reinforcing ribs.
  • stator mounting plate 410 In order to install the layout requirements and the actual situation, it is a conventional choice of those skilled in the art to specifically set the stator mounting plate 410, the mounting plate 420, and its connecting holes and the shape and size of the reinforcing ribs.
  • the clutch assembly 310 is provided with a clutch sleeve 311 and a wrap spring assembly 312 .
  • the clutch sleeve 311 is disposed outside the input end of the input shaft 220 and is fixed to the outer rotor housing 111 .
  • the connection, the spring assembly 312 is sleeved on the outside of the input end of the clutch sleeve 311 and the input sleeve 240, which effectively reduces the installation height of the clutch assembly 310; preferably, please refer to FIG. 12 and FIG. 18 further, in this embodiment.
  • the outer rotor housing 111 and the clutch sleeve 311 are made of a metal material, and specifically, a metal die-casting member may be used, wherein the slot portion 111a is formed by injection molding at the inner bottom portion thereof for coupling with the clutch.
  • the pin teeth 311a of the sleeve 311 are fixedly fitted to ensure a stable connection between the two.
  • the corresponding structure disclosed in CN201710446058.2 can also be used.
  • the lever assembly 320 includes a lever 321 and a torsion spring 322 , and the lever 321 is respectively rotatably mounted on the lever A lever operating member 330 and a lever body member 340 on the stator mounting plate 410, wherein the torsion spring 322 is mounted between the lever operating member 330 and the lever body member 340, the lever operating member 330 and the lever body member 340 A transmission connection is used; the lever operating member 330 is coupled to an external traction mechanism (not shown), and the end of the lever body member 340 is selectively coupled and disengaged from the clutch assembly 310 to achieve clutching by the lever assembly 320.
  • the assembly 310 selectively transmits the driving force, and finally realizes switching between the input shaft 220 and the input sleeve 240 between the separated state and the locked state.
  • the mounting end of the lever operating member 330 is provided with a torsion spring mounting shaft 331, the torsion spring 322 is sleeved on the torsion spring mounting shaft 331, and the lever operating member 330 is mounted on the torsion spring mounting shaft 331 Mounted on the stator mounting plate 410 in a relatively rotatable manner; the lever body member 340 includes a fixed-connect or integrally-connected lever mounting portion 341 and a lever body 342.
  • the lever mounting portion 341 and the lever body 342 In another embodiment, a fixed connection structure may also be adopted; the lever mounting portion 341 is provided with a lever mounting shaft 343, and the lever mounting portion 341 is sleeved on the lever mounting shaft 343, and the lever mounting portion
  • the 341 is rotatably mounted on the stator mounting plate 410 by a lever mounting shaft 343; one end of the torsion spring 322 is limited to the lever operating member 330, and the other end is limited to the lever mounting portion 341, and specifically preferably
  • the lever mounting portion 341 is provided with a card slot 344, and one end of the torsion spring 322 is restrained in the card slot 344.
  • the lever operating member 330 is provided with a transmission arm 332.
  • the transmission arm 332 has a flange shape, specifically including an upper transmission arm 332a and a lower transmission arm. 332b, both of which adopt a flange shape.
  • the lever body member 340 is fixed with a sliding shaft 345, an upper transmission arm 332a and a lower transmission arm. The 332b is in contact with the sliding shaft 345, and the sliding shaft 345 is slidably connected to the stator mounting plate 410.
  • the stator mounting plate 410 is provided with a sliding slot 413, wherein the lever mounting portion 341 is fixedly sleeved on the sliding shaft At 345, one end of the sliding shaft 345 is restrained in the sliding groove 413; the end of the lever body 342 is selectively coupled and separated from the clutch assembly 310.
  • the chute 413 is in the shape of a waist or a circle or an ellipse or a cross or a profile. Specifically, in the present embodiment, the chute 413 has a waist shape.
  • the torsion spring mounting shaft 331 serves as a rotation fulcrum of the lever operating member 330, and the transmission arm 332 rotates around the torsion spring mounting shaft 331, thereby driving the sliding shaft 345 to slide.
  • the slot 413 slides while the lever body member 340 uses the lever mounting shaft 343 as a pivot point to rotate the lever body 342 in a direction opposite to the transmission arm 332, thereby finally implementing the end portion of the lever body 342 and the clutch assembly 310.
  • the stator mounting plate 410 has a stepped surface 411 inside, the stepped surface 411 is provided with a lever insertion hole 412, and the end of the lever body 342 is inserted into the upper end of the stator mounting plate 410.
  • the jack 412 selectively transmits the driving force to the wrap spring assembly 312 to realize the loosening or reset locking of the wrap spring assembly 312.
  • the upper end of the stator mounting plate 410 is provided in order to facilitate the mounting of the lever assembly 320.
  • the opening is provided with a mounting slit 414, and the lever operating member 330 and the lever mounting portion 341 are located above the mounting slit 414.
  • the lever 321 is provided with a first bend and a second bend connected to each other, wherein the output end of the lever 321 is after the second bend Inserted into the lever jack 412, and further specifically, preferably, in order to further reduce the mounting width of the lever 321, the lever 321 is further provided with a third bend at the opening of the upper end of the stator mounting plate 410; a preferred first bend is suggested.
  • the second bending and the third bending are set to 80-95 degree angle bending.
  • the embodiment adopts a 90 degree angle bending; the lever of the prior art clutch mechanism is open from the outside of the mounting housing.
  • the horizontal or inclined shape enters the inside of the casing and is connected with the ratchet wheel, the circumferential area is occupied large, the installation width is large, and the appearance is not beautiful.
  • the installation width of the clutch assembly 310 is simply and efficiently reduced by setting the above structure.
  • the degree of installation of the washing machine drive system of the invention is reduced, the structure is compact, and the consumption of the mounting connector is also reduced, which not only facilitates batch assembly, but also reduces manufacturing cost;
  • the embodiment provides that the lever 321 is disposed inside the mounting housing 400, which effectively avoids the problem that the shifting rod 321 may be damaged during the transportation or handling movement of the embodiment, and the operation of the lever 321 is inaccurate, and the implementation is made.
  • the overall product is more compact and beautiful;
  • the wrap spring assembly 312 includes a wire spring 313 and a ratchet 314 sleeved outside the wire spring 313.
  • the wire spring 313 is sleeved in the clutch.
  • the sleeve 311 and the input sleeve 240 are external to the input end.
  • one end of the wire spring 313 is restrained on the ratchet 314, and specifically, one end of the wire spring 313 is hung in the bayonet 315 of the ratchet 314.
  • the end of the lever body 342 is provided with a spine 323 engageable with the ratchet 314 through the spine. Engagement and disengagement of the 323 with the ratchet 314 (when the ratchet 323 is engaged with the ratchet 314, that is, the end of the lever body 342 is mated with the clutch assembly 310, when the ratchet 323 is disengaged from the ratchet 314, it is equivalent to dialing
  • the end of the rod body 342 is separated from the clutch assembly 310 to selectively transmit the driving force to the ratchet 314, thereby achieving the loosening or reset locking of the wire spring 313; specifically, in the present embodiment, the ratchet 314 is an injection molded part.
  • the spine 323 and the lever body 342 are integrally injection molded structures, which can effectively reduce the weight of the present invention.
  • the spine and ratchet structures disclosed in CN201710446058.2 can also be used. These technical solution combinations are not for those skilled in the art. Need to work creatively.
  • the torsion spring 322 Since the torsion spring 322 is installed between the lever operating member 330 and the lever mounting portion 341, the torsion spring 322 applies a torque to the lever body 342, and the torque forms a driving force.
  • the lever operating member 330 is coupled to an external traction mechanism (not shown), and due to the transmission coupling structure between the transmission arm 332 and the sliding shaft 345 in this embodiment, the lever operating member 330 receives the traction force thereof.
  • the transmission connection structure is transmitted to the lever body 342 to overcome the driving force formed by the torsion force; in the practical application of the embodiment, the torsion force forms a driving force in the washing operation condition, and the lever body 342 passes through the end portion thereof.
  • the ratchet 323 transmits a driving force to the ratchet 314 (at this time, the ratchet 323 is engaged with the ratchet 314), the wire spring 313 is released; in the dehydrating condition, the traction overcomes the torque, and the lever body 342 is no longer transmitted to the ratchet 314.
  • the driving force (at this time, the ratchet 323 and the ratchet 314 are in a disengaged state), the original loosened wire spring 313 is reset and locked; the external traction mechanism can usually be an external traction motor, and of course other can be used. Force mechanism.
  • the transmission device further includes a brake mechanism 500.
  • the brake mechanism 500 includes a brake band 510.
  • the brake band 510 is sleeved outside the inner ring gear holder 251, and one end of the brake band 510 is mounted on the lever operating member.
  • On the mounting end of the 330, the other end is fixed on the stator mounting plate 410.
  • the mounting end of the lever operating member 330 is further provided with a brake band mounting shaft 326, and the brake band 510 is sleeved at one end.
  • the present embodiment uses a single lever assembly 320 to achieve simultaneous control of the clutch assembly 310 and the brake mechanism 500, avoiding the use of the lever and the brake arm and/or the brake torsion spring respectively in the prior art.
  • the complex structure for controlling the clutch and the brake is simple and compact in structure, convenient in control, and further reduces the manufacturing cost.
  • the embodiment of the present invention proposes a simple and reliable lever assembly structure, which not only effectively reduces the consumption of the mounting connector, but also has a simple and compact structure, convenient control, and further reduces the production of the clutch mechanism.
  • the manufacturing cost, and the embodiment of the present invention sets the lever assembly to the lever operating member 330 and the lever body member 340 having the transmission connection relationship, and the transmission connection relationship utilizes the principle of the lever transmission.
  • the transmission arm 332 and the sliding portion are specifically used.
  • the transmission connection between the shafts 345 cooperates with the structure, so that the change of the transmission direction can be realized.
  • the external traction motor layout when the external traction motor layout is installed outside the washing machine drive system, the external traction motor applies traction force to the lever operating member 330, and the traction drive lever
  • the operating member 330 (including the transmission arm 332) rotates clockwise around the torsion spring mounting shaft 331 through the transmission coupling relationship of the transmission arm 332 and the sliding shaft 345, so that the lever body member 340 rotates counterclockwise around the lever mounting shaft 343, and finally
  • the ratchet 323 is separated from the ratchet 314 to meet the washing and dehydrating conditions of the washing machine.
  • the present embodiment satisfies the application requirements of the washing machine that requires the external traction motor layout to be installed outside the washing machine drive system.
  • the ratchet includes a first ratchet 610 and a second ratchet 620 that are coaxially sleeved outside the wire spring 313 and have a ratchet taper direction that is inconsistent, wherein one end of the wire spring 313 is restrained on the first ratchet 610 The other end is limited to the second ratchet 620. Specifically, one end of the wire spring 313 is hung in the bayonet 611 of the first ratchet 610, and the other end is hung on the bayonet of the second ratchet 620 (not shown).
  • the shift lever assembly 320 includes a shift fork assembly 630 that is disposed outside the first ratchet 610 and the second ratchet 620 and mounted on the stator mounting plate 410.
  • the shift fork assembly 630 is provided with the first ratchet 610. Engaging the first ratchet 633 and the second ratchet 634 engageable with the second ratchet 620;
  • the fork assembly 630 includes a fork dial 631 for obtaining a driving force and a dialing fixed on the stator mounting plate 410.
  • the fork frame 632 specifically, in the embodiment, in order to reduce the installation area and facilitate the installation connection, the fork frame 632 is fixedly mounted on the step surface 411 of the stator mounting plate 410 by the fork assembly screw fastener; the fastener The number of the fork assembly screw fasteners used in the present embodiment is three;
  • the first thorn 633 and the second thorn 634 are respectively rotatably fitted on the fork frame 632 through the first mounting shaft 635 and the second mounting shaft 636; the first thorn 633 and the second thorn 634 and the fork 631
  • the end faces are respectively slidably connected; preferably, the end surface of the fork dial 631 is provided with a first sliding groove 637 and a second sliding groove 638; the boss 633a of the first thorn 633 and the boss 634a of the second thorn 634 can be respectively
  • the first chute 637 slot side and the second chute 638 are both waist grooves; preferably, in the present embodiment, the slot 637 slot side 638 and the second slot 638 slot side slide;
  • the end of the lever 321 is provided with a lever sleeve, and the lever sleeve is located in the recess 631a of the fork dial 631.
  • the fork frame 632 is provided with a mounting surface 639 on which the fork turntable 631 is relatively rotatable; specifically, in the present embodiment, the lever sleeve and the fork frame Both the 632 and the fork 631 are injection molded to help reduce weight.
  • the torsion force applied by the torsion spring 322 to the lever 321 forms a driving force
  • the output end of the lever 321 is inserted into the lever jack 412
  • the fork dial 631 is driven by the lever sleeve, the fork dial
  • the 631 drives the first ratchet 633 and the second ratchet 634 to rotate on the mounting shafts 635, 636 by the sliding connection, respectively, and the engagement with the first ratchet 610 by the spinous portion 633b of the first spine 633 and the spinous portion 634b of the second spine 634
  • the engagement with the second ratchet 620 transmits a driving force to the first ratchet 610 and the second ratchet 620, respectively, which drive the rotary wire hung in the bayonet 611 of the first ratchet 610 and the bayonet of the second ratchet 620, respectively.
  • the two ends of the spring 313 are simultaneously loosened, and the clutch sleeve 311 and the input sleeve 240 are in a separated state.
  • the torsion force applied by the torsion spring 322 to the lever 321 is such that one end thereof is mounted on the mounting end of the lever 321 and the other
  • the brake band 510 which is mounted on the stator mounting plate 410 at one end, holds the output bushing 250 so that the output bushing 250 is in a tightly fixed state, and the outer rotor motor 100 transmits the rotational power to the planetary gear train 210 through the input shaft 220, by Engage Contact the sun gear 211, planetary gear 212, ring gear 213 and the carrier 215, and finally decelerate the rotational power to the pulsator output, to achieve the laundry washing function by repeating the movement of the pulsator.
  • the external traction motor starts to work to apply the traction force to the lever 321 .
  • the traction force overcomes the torsion force of the torsion spring 322, and the lever 321 drives the fork dial 631 to rotate, thereby driving the first ratchet 633 and the second ratchet.
  • the rotation of 634 causes the spinous portion 633b of the first spine 633 to disengage from the first ratchet 610 and the ratchet portion 634b of the second spine 634 to disengage from the second ratchet 620, and the lever 321 is no longer transmitted to the first ratchet 610 and the second ratchet 620.
  • the driving force is such that the original two ends of the loosened wire spring 313 are reset, that is, the wire spring 313 is in a locked state, and the clutch sleeve 311 and the input bushing 240 are in a one-way locked state, and at the same time, the traction force overcomes the twist
  • the torque of the spring 322 causes the brake band 510 to release the output bushing 250.
  • the outer rotor assembly 110 When the outer rotor motor 100 rotates in the locking direction of the wire spring 313, the outer rotor assembly 110, the input shaft 220, the planetary gear train 210 and the output bushing 250 are connected as In one piece, the outer rotor assembly 110 outputs the rotational power to the inner tub at a constant speed, and the inner bucket drives the pulsator to rotate at a high speed to realize the dehydration function of the laundry.
  • the brake working process of the present embodiment is the same as the above embodiment, and the description of the present embodiment will not be repeated.
  • the fork assembly 630 of the present embodiment can be applied to a clutch mechanism for a washing machine driving mechanism adopting other types or other working modes as needed, and the invention is not limited thereto.
  • the embodiment achieves the meshing transmission clutch of the double ratchet double spurs by providing the single fork assembly 630, and avoids the use of the complicated double lever in the prior art to realize the meshing transmission clutch of the double ratchet double thorns.
  • the embodiment has the advantages of simple structure and convenient control, and the double-spindle double-spindle engagement transmission clutching mode realizes loosening of both ends of the wrap spring assembly 312", which can further effectively ensure the accuracy of switching the clutch state.

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

Abstract

一种离合机构（300）的拨杆组件（320）、离合机构（300）以及洗衣机驱动系统，拨杆组件（320）包括拨杆（321）和扭簧（322），拨杆（321）包括分别可相对转动地安装在安装壳体（400）上的拨杆操纵件（330）和拨杆本体件（340），扭簧（322）安装在拨杆操纵件（330）和拨杆本体件（340）之间，拨杆操纵件（330）和拨杆本体件（340）采用传动连接；拨杆操纵件（330）和外部牵引机构连接，拨杆本体件（340）的端部与离合机构（300）的离合组件（310）选择性地配合连接和分离；本发明结构简单紧凑，控制方便，而且生产制造成本低，而且满足了要求外部牵引电机布局安装在洗衣机驱动系统外侧的洗衣机应用需求。

Description

一种离合机构的拨杆组件、离合机构以及洗衣机驱动系统
本申请同时要求于于2017年10月19日提交中国国家知识产权局专利局，申请号为201721350361.4、发明名称为“一种离合机构的拨杆组件、离合机构以及洗衣机驱动系统”的中国专利申请，以及2017年06月14日提交中国国家知识产权局专利局，申请号为201710446054.4、发明名称为“一种洗衣机驱动系统用离合机构以及洗衣机驱动系统”的中国专利申请优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及洗衣机领域，具体涉及一种离合机构的拨杆组件，本发明还涉及了该拨杆组件应用的离合机构，以及该离合机构应用的洗衣机驱动系统。
背景技术
洗衣机的主要工作是由驱动机构驱动波轮转动，搅动水流和衣物转动，达到洗涤衣物的目的。目前常用驱动机构的动力源为电机，由电机的输出轴将电机旋转时的力矩传递给减速装置，再将减速装置的输出轴与波轮相连，从而带动波轮转动。
普通电机的转速较高，为了得到合适的输出转速，在实际应用中，需要对电机进行减速，常用的方式有使电机传递到减速器通过一级皮带轮减速，在减速器里设置一级或多级齿轮减速装置来完成一定速比的减速。此结构不仅复杂，而且占用空间大。为了解决此技术问题，目前已有一些关于去除皮带轮，将电机与减速器进行直接连接，由于其电机本体与减速器仍然是相对独立的，电机本体与减速器均分别需要占用安装空间，结构不够紧凑，体积仍然较大。
因此，如何设计一种结构紧凑、占用空间小的洗衣机驱动机构，是本领域技术人员需要解决的技术问题。
为了解决上述技术问题，结合本申请人在本领域的多年开发经验，本申请人在先申请了多项专利，如公开号为CN102677427A公开了一种洗衣机驱动器，包括电机、洗涤轴、套装在所述洗涤轴上的脱水轴套和齿轮减速机构，所述洗涤轴同轴安装于所述电机的电机转子内部且与所述齿轮减速机构的输出齿轮固接，所述齿轮减速机构的输入齿轮轴插装于所述电机转子的轴孔内。由于将齿轮减速机构的输入齿轮轴插装在电机转子的轴孔内，使电机转子作为齿轮减速机构的齿轮架，有效地将齿轮减速机构和电机集成为一体，从而减小了洗衣机驱动器的轴向尺寸，使得该洗衣机驱动器的结构简单紧凑，占用空间小。又如授权公开号为CN103422326B的中国发明专利公开了一种洗衣 机驱动装置，其包括：用来提供转动动能的无转轴旋转体；安装在所述旋转体上的变速装置，用于从旋转体中心位置处获取转动动能，并输出其转速等于或低于所述旋转体转速的动力；连接所述变速装置的洗涤轴和脱水轴套，在所述变速装置输出动力的作用下将所述等于或低于所述旋转体转速的动力分别供应给洗衣机的洗涤和脱水执行部件；其中，脱水轴套套设于洗涤轴外部与其转动连接，该发明的洗衣机驱动装置，其将变速装置安装在提供转动动能的旋转体内，因此压缩了整个驱动装置的体积，并且结构简单、紧凑，节省能源，噪声小。
再如本申请人在先申请的公开号为CN103437126A的中国发明专利公开了一种洗衣机驱动机构以及洗衣机，包括电动机、与电动机连接的传动组件、离合组件和安装壳体，离合组件包括离合齿圈以及位于离合齿圈外部的电磁线圈机构；安装壳体包括定子安装盘和安装板，行星轮系位于定子安装盘和安装板固定连接形成的轮系腔体中，离合组件位于定子安装盘和电动机连接形成的电动机腔体中，其中，离合齿圈轴向滑动地套接在驱动轴套上与转子组件卡合连接或脱离，且其与转子组件脱离后处于非固定状态；达到结构简单、紧凑、体积小的目的。
综上所述，本申请人的这些在先申请相对于现有技术在齿轮减速机构与电机之间连接的体积占用和结构紧凑度上对于洗衣机驱动领域带来了变革式的突破，然而本申请人的这些在先申请均是采用将变速机构或电磁离合机构整体安装在电机内，这就需要电机预留较大安装空间，不仅会导致电机尺寸大、耗材多、制造成本高，而且电机在设计、制造方面均存在较高难度，不适合应用于广大家庭使用的中低档的洗衣机领域。
而授权公告号为CN2443980Y的中国实用新型专利公开了一种无刷电机直接驱动的洗衣机减速离合器，采用永磁外转子无刷直流电机直接同轴安装在离合器输入轴的传矩轴套上，并固定于离合器壳体上，无刷电机轴又是离合器传矩轴；该技术淘汰皮带轮传动，使得离合器更加小型化。但由于该技术采用永磁外转子无刷直流电机，电机成本高，而且采用的离合器与转子的连接结构繁琐，同时离合器和制动机构分别采用拨杆和制动臂的独立结构，采用的连接部件多，连接复杂，成本高，结构不够紧凑，同样不太适合应用于广大家庭使用的中低档的洗衣机领域。
因此，需要寻求一种洗衣机驱动系统，在既满足结构简单紧凑，占用空间小的条件下，同时成本低，连接部件少，制造工艺简单。
发明内容
有鉴于此，本发明的目的在于提出一种离合机构的拨杆组件、离合机构以及洗衣机驱动系统，结构简单紧凑，控制方便，而且生产制造成本低，而且满足了要求外部牵引电机布局安装在洗衣机驱动系统外侧的洗衣机应用需 求。
本发明采用的技术方案如下：
一种离合机构的拨杆组件，所述拨杆组件包括拨杆和扭簧，所述拨杆包括分别可相对转动地安装在安装壳体上的拨杆操纵件和拨杆本体件，其中，所述扭簧安装在所述拨杆操纵件和拨杆本体件之间，所述拨杆操纵件和拨杆本体件采用传动连接；所述拨杆操纵件和外部牵引机构连接，所述拨杆本体件的端部与所述离合机构的离合组件选择性地配合连接和分离；通过所述传动连接可以实现传动方向的改变。
优选地，所述拨杆操纵件设有传动臂；所述拨杆本体件固设有滑动轴，其中，所述传动臂与所述滑动轴接触传动连接，所述滑动轴与所述安装壳体滑动连接。
优选地，所述传动臂的形状呈凸缘或凸台形状。
优选地，所述拨杆本体件包括固定连接或一体连接的拨杆安装部和拨杆本体，所述安装壳体上设有滑槽，其中，所述拨杆安装部固定套接在所述滑动轴上，所述滑动轴一端被限位在所述滑槽内。
优选地，所述拨杆操纵件的安装端设有扭簧安装轴，所述扭簧套接在扭簧安装轴上，所述拨杆操纵件通过所述扭簧安装轴可相对转动地安装在所述安装壳体上。
优选地，所述拨杆本体件包括固定连接或一体连接的拨杆安装部和拨杆本体，所述拨杆安装部设有拨杆安装轴，所述拨杆安装部套接在所述拨杆安装轴上，所述拨杆本体件通过所述拨杆安装轴可相对转动地安装在所述安装壳体上。
优选地，所述滑槽呈腰型或圆型或椭圆型或十字型或异型形状。
优选地，所述扭簧一端被限位在所述拨杆操纵件上，另一端被限位在所述拨杆安装部上。
优选地，一种离合机构，所述离合机构包括离合组件和拨杆组件，其中，所述拨杆组件采用如上所述的拨杆组件。
优选地，通过拨杆组件向所述离合组件选择性传输驱动力，实现驱动轴和驱动轴套在分离状态与锁定状态间的切换，所述离合组件设有离合轴套和抱簧组件，所述离合轴套设在洗衣机驱动系统的驱动轴输入端外部，且与洗衣机驱动系统的旋转体固定连接；所述抱簧组件包括旋丝弹簧和套接在所述旋丝弹簧外部的棘轮，所述旋丝弹簧套接在所述离合轴套和驱动轴套输入端的外部；其中，
所述棘轮包括同轴套接在所述旋丝弹簧外部且棘轮锥度方向不一致的第一棘轮和第二棘轮，其中，所述旋丝弹簧一端被限位在所述第一棘轮上，另一端被限位在所述第二棘轮上；
所述拨杆组件包括套设在所述棘轮外部并安装在洗衣机驱动系统的安装 壳体上的拨叉组件，其中，所述拨叉组件设有可与所述第一棘轮啮合的第一棘刺和可与所述第二棘轮啮合的第二棘刺。
优选地，所述拨叉组件包括获取所述驱动力的拨叉转盘和固装在所述定子安装盘上的拨叉架，其中，所述第一棘刺和第二棘刺分别通过安装轴可相对旋转地安装在所述拨叉架上；所述第一棘刺和第二棘刺与所述拨叉转盘的端面分别滑动连接。
优选地，所述拨叉转盘的端面设有第一滑槽和第二滑槽；所述第一棘刺的凸台和第二棘刺的凸台可分别沿所述第一滑槽槽边和第二滑槽槽边滑动。
优选地，一种洗衣机驱动系统，包括旋转体和传动装置，所述传动装置包括减速机构和离合机构，所述减速机构获取旋转体的旋转动力，通过离合机构将旋转动力选择性地输出到洗衣机的洗涤执行部件和脱水执行部件，其中，所述离合机构采用如上所述的离合机构。
优选地，所述洗衣机驱动系统包括刹车机构，所述刹车机构包括刹车带，所述刹车带套接在所述洗衣机驱动系统的驱动轴套外部，且所述刹车带一端安装在所述拨杆操纵件的安装端上，另一端固装在所述安装壳体上。
优选地，所述旋转体为电机或皮带轮；所述减速机构包括齿轮减速系，和所述齿轮减速系分别连接的驱动轴、套设在驱动轴外部且与其转动连接的驱动轴套，所述驱动轴输入端与旋转体固定连接；
所述安装壳体包括定子安装盘和安装板，所述减速机构位于定子安装盘和安装板固定连接形成的腔体中，所述拨杆操纵件和拨杆本体件分别可相对转动地安装在所述定子安装盘上。
本发明文本中所述PSC电机是指电容运转电动机；所述旋丝弹簧、扭簧均是指由弹性材料制成的弹性制品，具有弹性和刚性，一般采用金属件制成，旋丝弹簧、扭簧的名称不具有限定含义。
1、本发明提出采用外转子结构的PSC电机作为去除皮带轮的洗衣机驱动系统的动力输入端，大大简化了传动装置，也利于电机与传动装置安装紧凑化，同时PSC电机成本低，连接结构简单，非常适合应用于广大家庭使用的中低档的洗衣机领域。
2、本发明提出将离合机构的离合组件设置在与外转子组件固定连接的减速机构的驱动轴输入端，有效降低了离合组件的安装高度，同时提出在定子安装盘内部设置具有拨杆插孔的台阶面，将离合机构的拨杆输出端沿定子安装盘的上端开口插入拨杆插孔内向离合组件的抱簧组件选择性传输驱动力，实现抱簧组件的松开或复位锁紧，不仅进一步有效降低了离合组件的安装宽度，极大程度降低了本发明洗衣机驱动系统的安装体积，利于结构紧凑，而且也减少了安装连接件的耗用，不仅便于批量组装，且降低了生产制造成本；同时本发明实现了将拨杆设置在安装壳体内部，有效避免了本发明在运输或搬运移动过程可能对拨杆造成损坏，造成拨杆工作不精确的问题，而且使得 本发明整体产品更加紧凑和美观。
3、本发明提出将棘轮设置为同轴套接在旋丝弹簧外部且棘轮锥度方向不一致的第一棘轮和第二棘轮，同时设置套设在棘轮外部并安装在洗衣机驱动系统的安装壳体上的拨叉组件，其中，拨叉组件设有可与第一棘轮啮合的第一棘刺和可与第二棘轮啮合的第二棘刺；本发明通过设置单一拨叉组件实现了双棘轮双棘刺的啮合传动离合，避免了现有技术中的采用复杂的双拨杆来实现双棘轮双棘刺的啮合传动离合，本发明结构简单，控制方便，而且采用双棘轮双棘刺的啮合传动离合方式实现了对抱簧组件的两端松开，可进一步有效确保离合状态切换的精确度。
4、在上述第3点的基础上，本发明进一步提出拨叉组件的具体结构，包括获取拨杆组件的驱动力的拨叉转盘和固装在安装壳体上的拨叉架，第一棘刺和第二棘刺分别通过安装轴可相对旋转地安装在拨叉架上；第一棘刺和第二棘刺与拨叉转盘的端面分别滑动连接，拨叉组件结构简单，控制可靠，而且便于安装连接。
5、本发明提出了简单可靠的拨杆组件的安装结构，有效减少安装连接件的耗用，而且进一步提出具有限位面的限位片的和调节螺钉，调节螺钉通过顺逆向旋转调节扭簧的扭力大小，从而有效控制了本发明拨杆组件对离合组件传输的驱动力，进一步确保离合状态切换的精确度。
6、本发明提出将刹车机构的刹车带套接在洗衣机驱动系统的驱动轴套外部，同时将刹车带一端安装在离合机构的拨杆的安装端上，另一端固装在安装壳体上，采用离合机构的单一拨杆组件实现了同时对离合组件和刹车机构的控制，避免了现有技术中采用拨杆和刹车臂和/刹车扭簧来分别控制离合和刹车的复杂结构，本发明结构简单紧凑，控制方便，而且进一步降低了本发明的生产制造成本。
7、本发明提出了在外转子壳体设置散热结构，具体为位于壳体底面内侧上呈周向间隔状分布的若干扇叶，本发明在扇叶基础上还提出多个方面的散热结构优选方案，有效保证了外转子电机的散热效果，确保满足本发明提出的安装非常紧凑的外转子电机与传动装置对散热效果的高要求。
8、本发明提出将离合轴套设在洗衣机驱动系统的驱动轴输入端外部，且与洗衣机驱动系统的外转子组件固定连接，以有效降低离合组件的安装高度，同时提出将离合轴套和外转子电机的外转子壳体设置为一体式连接结构，有效减少了连接件的数量，简化安装连接的工序，且保证了离合轴套和外转子电机的连接紧固性。
9、本发明提出将转子铁芯通过转子嵌件固定设置在外转子壳体内周面，具体地，在转子铁芯内部设置多个间隔周向分布的第一转子斜槽，转子嵌件的多个嵌件斜条分别嵌入该第一转子斜槽内，转子铁芯外周面间隔设置多个第二转子斜槽，外转子壳体内周面上的多个壳体斜条分别嵌入该第二转子斜 槽内，如此，转子铁芯的刚性强度得到大大加强，可以有效提高外转子电机的工作效率。
10、本发明在提出了一种简单可靠的拨杆组件结构，不仅有效减少安装连接件的耗用，结构简单紧凑，控制方便，而且进一步降低了离合机构的生产制造成本，而且本发明将拨杆组件设置成具有传动连接关系的拨杆操纵件和拨杆本体件，因而可实现传动方向的改变，进而满足了要求外部牵引电机布局安装在洗衣机驱动系统外侧的洗衣机应用需求。
附图说明
附图1是本发明具体实施方式下的洗衣机驱动系统立体结构示意图；
附图2是图1在另一种方向时的结构示意图；
附图3是图1的剖视结构图；
附图4是图3中A处结构放大图；
附图5是图3中B处结构放大图；
附图6是本发明具体实施方式下拨杆组件的安装结构示意图；
附图7是图6在另一种方向时的结构示意图；
附图8是图6在另一种方向时的结构示意图；
附图9是本发明具体实施方式下拨杆组件的结构示意图；
附图10是图9的爆炸结构示意图。
附图11是图3中的外转子组件110的爆炸结构示意图；
附图12是图11中C处结构放大示意图；
附图13是图11中的外转子壳体111的结构示意图；
附图14是本发明另一种具体实施方式下外转子壳体711的结构示意图；
附图15是图3中的内定子组件120的结构示意图；
附图16是图11中D处结构放大示意图；
附图17是图15中E处结构放大示意图；
附图18是本发明一种具体实施方式下离合轴套311的结构示意图；
附图19是本发明一种具体实施方式下的抱簧组件312的结构示意图；
附图20是本发明另一种具体实施方式下抱簧组件312″的结构示意图；
附图21是本发明另一种具体实施方式下拨叉组件630的结构示意图；
附图22是图21的爆炸结构示意图。
具体实施方式
本发明实施例公开了一种离合机构的拨杆组件，拨杆组件包括拨杆和扭簧，拨杆包括分别可相对转动地安装在安装壳体上的拨杆操纵件和拨杆本体件，其中，扭簧安装在拨杆操纵件和拨杆本体件之间，拨杆操纵件和拨杆本体件采用传动连接；拨杆操纵件和外部牵引机构连接，拨杆本体件的端部与 离合机构的离合组件选择性地配合连接和分离。
本发明实施例还公开了一种离合机构，离合机构包括拨杆组件和离合组件，其中，拨杆组件采用如上所述的拨杆组件。
本发明实施例还公开了一种洗衣机驱动系统，包括旋转体和传动装置，传动装置包括减速机构和离合机构，减速机构获取旋转体的旋转动力，通过离合机构将旋转动力选择性地输出到洗衣机的洗涤执行部件和脱水执行部件，其中，离合机构采用如上所述的离合机构。
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明中记载的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
请参见图1、图2、图3所示的一种洗衣机驱动系统，包括旋转体和传动装置，传动装置包括减速机构200、离合机构300和安装壳体400，减速机构200获取旋转体的旋转动力，通过离合机构300将旋转动力选择性地输出到洗衣机的洗涤执行部件和脱水执行部件，驱动系统通过安装壳体400固定安装在洗衣机上，本发明实施例中的旋转体为PSC电机100，PSC电机100包括外转子组件110和位于外转子组件110内部的内定子组件120，当然地，在其他实施方式中，旋转体也可以为其他类型的电机或皮带轮；具体地，在本实施方式中，洗衣机的洗涤执行部件为波轮，洗衣机的脱水执行部件为内桶。
优选地，在本实施方式中，外转子组件110的外径范围为150-190mm，内径范围为120-160mm，高度范围为55-75mm。优选地，内定子组件120的外径范围为120-150mm，内径范围为60-90mm。具体优选地，在本实施方式中，外转子组件110的外径为168mm，内径为138mm，高度为65mm；内定子组件120的外径为137mm，内径为73mm；本实施方式采用PSC电机作为去除皮带轮的洗衣机驱动系统的动力输入端，大大简化了传动装置，也利于外转子电机100与传动装置安装紧凑化，同时PSC电机的成本低，连接结构简单，非常适合应用于广大家庭使用的中低档的洗衣机领域。
优选地，请参见图11所示，在本实施方式中，外转子组件110包括外转子壳体111、转子铁芯112，转子铁芯112通过转子嵌件130固定设置在外转子壳体111内周面，具体优选地，请进一步参见图16所示，在本实施方式中，转子铁芯112由若干转子铁芯冲片叠压而成，其中，转子铁芯112内部具有多个间隔周向分布的第一转子斜槽141，转子嵌件130的多个嵌件斜条131分别嵌入该第一转子斜槽141内，具体优选地，在本实施方式中，第一转子斜槽141的数量为61个，转子铁芯112外周面间隔设有多个第二转子斜槽142，具体优选地，第二转子斜槽142的截面形状呈T型形状，数量为32个，外转子壳体111内周面上的多个壳体斜条116分别嵌入该第二转子斜槽142内，如此，转子铁芯112的刚性强度得到大大加强，有效提高电机工作效率；优 选地，转子嵌件130和外转子壳体111均采用注塑件，具体在加工制造外转子组件110时，先在转子铁芯112上一体注塑转子嵌件130得到组合件，然后在该组合件上一体注塑外转子壳体111，最终得到外转子组件110；本实施方式提供的外转子组件110的刚性强度好，有利于提高电机效率，同时加工方便，制造成本低。
请参见图15和图17所示，内定子组件120包括定子铁芯121、定子绝缘架123以及电磁线圈122，定子铁芯121由若干定子铁芯冲片叠压而成，其中，电磁线圈122通过定子绝缘架123、绝缘槽片(图未示出)绝缘地设置在定子铁芯121的定子槽124内，以满足绝缘要求；具体地，在本实施方式中，定子绝缘架123包括位于定子铁芯121上下端面的上定子绝缘架和下定子绝缘架，其中，定子绝缘架123可拼接在定子铁芯121上，也可以整体注塑在定子铁芯121上，具体可以根据实际需求进行选择，绝缘槽片位于定子槽124内。优选地，在在本实施方式中，定子槽124的数量为48个。
本实施方式的外转子电机100提供了第一转子斜槽141、第二转子斜槽142以及定子槽124的优选技术方案，可以有效提高电机工作效率，以及节省制造成本，需要说明的是，在其他实施方式中，可以根据电机实际需求进行具体设置第一转子斜槽141、第二转子斜槽142以及定子槽124的数量。
优选地，请进一步参见图12和图13所示，在本实施方式中，外转子壳体111包括一具有内部空间且上端开口的壳体，外侧面具有壳体台阶(图已示出，但未标记)，便于设置外转子组件110的磁钢；外转子壳体111设有散热结构，优选地，在本实施方式中，散热结构包括位于壳体111底面内侧上呈周向间隔状分布的若干扇叶112，具体地，在本实施方式中，扇叶112的数量为10个，在其他实施方式中，本领域技术人员可以根据实际需要来选择扇叶112的数量；优选地，扇叶112从壳体111底面向上一体延伸；优选地，在本实施方式中，散热结构还包括位于壳体111底面的散热孔115，散热孔115位于相邻扇叶112之间，其中，散热孔115与扇叶112呈错位分布；优选地，在本实施方式中，扇叶112的侧面设有曲面112a；进一步优选地，散热结构还包括位于壳体111周面呈周向间隔状分布的若干散热窗113，其中，散热窗113的两侧具有弧度，具体优选地，在本实施方式中，弧度的角度为2-8°。具体地，在本实施方式中，散热窗113的数量具有10个；优选地，位于相邻散热窗113之间的壳体111外周面上设有加强散热叶片114；具有弧度的散热窗113与加强散热叶片114不仅均能提高外转子壳体111的机械安装强度，同时散热窗113与位于外周面的散热叶片114的间隔设置，在外转子组件110旋转过程中，利于空气对流，提高散热效果。
当本实施方式的外转子电机100工作时，外转子组件110进行周向旋转，同时内定子组件120会产生热量需要及时散热，外转子壳体111上设置的扇叶112和散热孔115呈间隔且错位式分布，同时扇叶112采用沿壳体向上一 体延伸的设计，同时设置了曲面112a，使得在外转子壳体111旋转的过程中，散热得到强劲对流，进一步地，本实施方式还在壳体111周面呈周向间隔状分布的散热窗113，同时将散热窗113设置有弧度，散热得到进一步的强劲对流，其具体散热路径为：在外转子壳体111旋转的过程中，洗衣机驱动系统周围的散热空气沿外转子壳体111底面的散热孔115和周面的散热窗113充分进入转子壳体111内部，同时通过扇叶112的旋转，散热空气快速将内定子组件120产生的热量沿轴向运动最终沿外转子壳体111的上端开口排出，本散热结构非常有利于外转子电机100的空气对流，确保满足本实施方式提出的安装非常紧凑的外转子电机100与传动装置对散热效果的高要求。
优选地，请参见图14所示，在本发明另一实施方式中，其余均与上述外转子壳体111的实施方式相同，区别仅在于以下：本实施方式提出一种外转子壳体711，设有散热结构，散热结构包括位于外转子壳体711底面内侧上呈周向间隔状分布的若干扇叶712，优选地，在本实施方式中，扇叶712的一侧面为曲面712a，另一侧面为与壳体711底面的平面712b；优选地，曲面712a呈凹状；更优选地，在本实施方式中，在提高散热效果的同时，为了保证外转子壳体711的机械安装强度，散热孔715包括第一散热孔715a和第二散热孔715b，第一散热孔715a和第二散热孔715b与扇叶712的延伸边均呈错位分布，由于第一散热孔715a、第二散热孔715b为周向设置，而扇叶712为周向设置，同时两者之间为错位式分布；本散热结构非常有利于外转子电机100的空气对流。
当然地，本发明实施例提出的外转子电机100具有制造成本低，电机效率高，完全可以根据需要应用于其他类型的洗衣机驱动系统或其他类型的驱动系统，作为旋转动力输入机构，本发明不做限定。
减速机构200包括齿轮减速系，和齿轮减速系分别连接的驱动轴、套设在驱动轴外部且与其转动连接的驱动轴套，驱动轴输入端与外转子组件110固定连接；优选地，请进一步参见图4所示，在本实施方式中，齿轮减速系采用行星轮系210；具体优选地，在本实施方式中，行星轮系210包括依次啮合连接的太阳轮211、若干行星轮212和内齿圈213，行星轮212通过行星轴214安装在行星架215上，具体地，在本实施方式中，行星轮212的数量为4个；驱动轴包括分别与行星轮系210连接的输入轴220和输出轴230，驱动轴套包括套设在输入轴220外部且与其转动连接的输入轴套240和套设在输出轴230外部且与其转动连接的输出轴套250，为了便于加工，输出轴套250包括固定连接的内齿圈保持架251和输出轴套体252；其中，太阳轮211固定安装在输入轴220一端，输入轴220另一端与外转子组件110的外转子壳体111固定连接，具体地，在本实施方式中，采用花键的固定连接方式，并用螺母260锁紧；输出轴230一端与行星架215固定连接，另一端与波轮固定连接；
在本实施方式中，离合机构300包括离合组件310和拨杆组件320，离合 组件310套接在输入轴220输入端和输入轴套240输入端外部，通过拨杆组件320向离合组件310选择性传输驱动力，实现输入轴220和输入轴套240在分离状态与锁定状态间的切换；
在本实施方式中，安装壳体400包括定子安装盘410和安装板420，内定子组件120通过紧固件固定安装在定子安装盘410上，整个驱动系统通过安装板420安装在洗衣机上，减速机构200位于定子安装盘410和安装板420固定连接形成的腔体中；具体地，在本实施方式中，定子安装盘410和安装板420上设有若干用于连接的连接孔以及加强筋，同时为了安装布局需要以及实际情况需要，来具体设置定子安装盘410、安装板420、及其连接孔以及加强筋的形状和大小，这些都是本领域技术人员的常规选择。
请进一步参见图5所示，在本实施方式中，离合组件310设有离合轴套311和抱簧组件312，离合轴套311设在输入轴220输入端外部，且与外转子壳体111固定连接，抱簧组件312套接在离合轴套311和输入轴套240输入端的外部，有效降低了离合组件310的安装高度；优选地，请进一步结合参见图12和图18所示，在本实施方式中，为了确保强度，外转子壳体111、离合轴套311均采用金属材质制成，具体可以采用金属压铸件，其中，通过在其内侧底部注塑制成插槽部111a，用于与离合轴套311的插齿311a固定配合，确保两者之间的固定连接稳固性。当然地，也可以采用CN201710446058.2公开的相应结构。
请进一步参见图6、图7、图8、图9和图10所示，在本实施方式中，拨杆组件320包括拨杆321和扭簧322，拨杆321包括分别可相对转动地安装在定子安装盘410上的拨杆操纵件330和拨杆本体件340，其中，扭簧322安装在拨杆操纵件330和拨杆本体件340之间，拨杆操纵件330和拨杆本体件340采用传动连接；拨杆操纵件330和外部牵引机构(图未示出)连接，拨杆本体件340的端部与离合组件310选择性地配合连接和分离，进而实现通过拨杆组件320向离合组件310选择性传输驱动力，最终实现输入轴220和输入轴套240在分离状态与锁定状态间的切换。
优选地，在本实施方式中，拨杆操纵件330的安装端设有扭簧安装轴331，扭簧322套接在扭簧安装轴331上，拨杆操纵件330通过扭簧安装轴331可相对转动地安装在定子安装盘410上；拨杆本体件340包括固定连接或一体连接的拨杆安装部341和拨杆本体342，在本实施方式中，拨杆安装部341和拨杆本体342为一体注塑件，在其他实施方式中，也可以采用固定连接结构；拨杆安装部341设有拨杆安装轴343，拨杆安装部341套接在拨杆安装轴343上，拨杆安装部341通过拨杆安装轴343可相对转动地安装在定子安装盘410上；扭簧322一端被限位在拨杆操纵件330上，另一端被限位在拨杆安装部341上，具体优选地，在本实施方式中，拨杆安装部341设有卡槽344，扭簧322一端被限位在卡槽344内。
优选地，在本实施方式中，拨杆操纵件330设有传动臂332，具体优选地，在本实施方式中，传动臂332的形状呈凸缘形状，具体包括上传动臂332a和下传动臂332b，均采用凸缘形状，当然在其他实施方式中，也可以采用其他合适的传动臂形状，如凸台形状；拨杆本体件340固设有滑动轴345，上传动臂332a和下传动臂332b与滑动轴345分别接触传动连接，滑动轴345与定子安装盘410滑动连接；进一步具体优选地，定子安装盘410上设有滑槽413，其中，拨杆安装部341固定套接在滑动轴345上，滑动轴345一端被限位在滑槽413内；拨杆本体342的端部与离合组件310选择性地配合连接和分离。优选地，滑槽413呈腰型或圆型或椭圆型或十字型或异型形状，具体优选地，在本实施方式中，滑槽413呈腰型形状。
在实际工作过程中，当拨杆操纵件330收到牵引力时，扭簧安装轴331作为拨杆操纵件330的旋转支点，传动臂332围绕扭簧安装轴331转动，进而驱动滑动轴345在滑槽413内滑动，而同时拨杆本体件340以拨杆安装轴343作为旋转支点，使得拨杆本体342以与传动臂332相反的方向转动，最终实现拨杆本体342的端部与离合组件310选择性地配合连接和分离。
优选地，在本实施方式中，定子安装盘410内部具有台阶面411，台阶面411上设有拨杆插孔412，且拨杆本体342的端部沿定子安装盘410的上端开口插入拨杆插孔412内向抱簧组件312选择性传输驱动力，实现抱簧组件312的松开或复位锁紧，具体地，在本实施方式中，为了便于安装拨杆组件320，定子安装盘410的上端开口设有安装豁口414，拨杆操纵件330和拨杆安装部341位于安装豁口414的上方。
优选地，为了减少拨杆321的安装宽度，在本实施方式中，拨杆321设有相互连接的第一折弯和第二折弯，其中，拨杆321的输出端经第二折弯后插入拨杆插孔412内，进一步具体优选地，为了进一步减少拨杆321的安装宽度，拨杆321还设有位于定子安装盘410上端开口处的第三折弯；建议优选的第一折弯、第二折弯和第三折弯设置为80-95度角折弯，具体地，本实施方式均采用90度角折弯；相对于现有技术离合机构的拨杆均是从安装壳体外侧开口横向或倾斜状进入壳体内部与棘轮连接，周向面积占用大，安装宽度大，且不美观，本实施方式通过提出上述结构的设置即简单高效地降低了离合组件310的安装宽度，极大程度降低了本发明洗衣机驱动系统的安装体积，利于结构紧凑，而且也减少了安装连接件的耗用，不仅便于批量组装，且降低了生产制造成本；同时本实施方式实现了将拨杆321设置在安装壳体400内部，有效避免了本实施方式在运输或搬运移动过程可能对拨杆321造成损坏，造成拨杆321工作不精确的问题，而且使得本实施例整体产品更加紧凑和美观；
优选地，请进一步参见图5和图19所示，在本实施方式中，抱簧组件312包括旋丝弹簧313和套接在旋丝弹簧313外部的棘轮314，旋丝弹簧313套接 在离合轴套311和输入轴套240输入端的外部。具体地，在本实施方式中，旋丝弹簧313一端被限位在棘轮314上，具体是将旋丝弹簧313一端挂设在棘轮314的卡口315内。进一步优选地，请结合参见图6、图7、图8、图9和图10所示，在本实施方式中，拨杆本体342的端部设有可与棘轮314啮合的棘刺323，通过棘刺323与棘轮314的啮合和脱离(当棘刺323与棘轮314的啮合时，即相当于拨杆本体342的端部与离合组件310配合连接，当棘刺323与棘轮314的脱离时，即相当于拨杆本体342的端部与离合组件310分离)实现向棘轮314选择性传输驱动力，进而实现旋丝弹簧313的松开或复位锁紧；具体地，在本实施方式中，棘轮314采用注塑件，棘刺323与拨杆本体342为一体注塑结构，可以采可有效减轻本发明的重量，当然地，也可以采用CN201710446058.2公开的棘刺和棘轮结构，这些技术方案组合对于本领域的技术人员不需要付出创造性劳动。
在此简单介绍本实施方式的工作过程：由于本实施例扭簧322安装在拨杆操纵件330与拨杆安装部341之间，扭簧322向拨杆本体342施加扭力，该扭力形成驱动力；拨杆操纵件330和外部牵引机构(图未示出)连接，又由于本实施例中传动臂332与滑动轴345之间的传动连接配合结构，拨杆操纵件330将其收到的牵引力通过该传动连接配合结构向拨杆本体342传递，以克服扭力形成的驱动力；在本实施方式实际应用中，在洗涤工况时，扭力形成驱动力，拨杆本体342通过位于其端部的棘刺323向棘轮314传输驱动力(此时，棘刺323与棘轮314处于啮合状态)，旋丝弹簧313被松开；在脱水工况时，牵引力克服扭力，拨杆本体342不再向棘轮314传输驱动力(此时，棘刺323与棘轮314处于脱离状态)，原松开的旋丝弹簧313复位锁紧；外部牵引机构通常可以选用外部牵引电机，当然也可以采用其他动力机构。
优选地，在本实施方式中，传动装置还包括刹车机构500，刹车机构500包括刹车带510，刹车带510套接在内齿圈保持架251外部，且刹车带510一端安装在拨杆操纵件330的安装端上，另一端固装在定子安装盘410上；具体优选地，在本实施方式中，拨杆操纵件330的安装端还设有刹车带安装轴326，刹车带510一端套接在刹车带安装轴326上，本实施方式采用单一拨杆组件320实现了同时对离合组件310和刹车机构500的控制，避免了现有技术中采用拨杆和刹车臂和/刹车扭簧来分别控制离合和刹车的复杂结构，本实施方式结构简单紧凑，控制方便，而且进一步降低了生产制造成本。
本发明实施例在提出了CN201710446058.2的基础上提出了一种简单可靠的拨杆组件结构，不仅有效减少安装连接件的耗用，结构简单紧凑，控制方便，而且进一步降低了离合机构的生产制造成本，而且本发明实施例将拨杆组件设置成具有传动连接关系的拨杆操纵件330和拨杆本体件340，传动连接关系利用杠杆传动原理，本实施方式具体是采用传动臂332与滑动轴345之间的传动连接配合结构，因而可实现传动方向的改变，具体地，当外部牵引 电机布局安装在洗衣机驱动系统外侧时，外部牵引电机向拨杆操纵件330施加牵引力，牵引力驱动拨杆操纵件330(包括传动臂332)围绕扭簧安装轴331顺时针转动，通过传动臂332与滑动轴345的传动配合连接关系，使得拨杆本体件340围绕拨杆安装轴343逆时针转动，最终实现棘刺323与棘轮314分离，从而满足洗衣机洗涤和脱水工况的切换，进而本实施新型实施例满足了要求外部牵引电机布局安装在洗衣机驱动系统外侧的洗衣机应用需求。
优选地，请参见图20、图21和图22所示，在本发明另一实施方式中，其余均与上述实施方式相同，区别仅在于以下：
在本实施方式中，棘轮包括同轴套接在旋丝弹簧313外部且棘轮锥度方向不一致的第一棘轮610和第二棘轮620，其中，旋丝弹簧313一端被限位在第一棘轮610上，另一端被限位在第二棘轮620上，具体是将旋丝弹簧313一端挂设在第一棘轮610的卡口611内，另一端挂设在第二棘轮620的卡口(图未示出)内；拨杆组件320包括套设在第一棘轮610和第二棘轮620外部并安装在定子安装盘410上的拨叉组件630，其中，拨叉组件630设有可与第一棘轮610啮合的第一棘刺633和可与第二棘轮620啮合的第二棘刺634；
为了利于拨叉组件630结构简单，控制可靠，而且便于安装连接，优选地，在本实施方式中，拨叉组件630包括获取驱动力的拨叉转盘631和固装在定子安装盘410上的拨叉架632，具体地，在本实施方式中，为了减少安装面积以及便于安装连接，拨叉架632通过拨叉组件螺钉紧固件固定安装在定子安装盘410的台阶面411上；紧固件的数量可以根据实际需要进行选择，本实施方式采用的拨叉组件螺钉紧固件数量是3个；
其中，第一棘刺633和第二棘刺634分别通过第一安装轴635和第二安装轴636可相对旋转地套装在拨叉架632上；第一棘刺633和第二棘刺634与拨叉转盘631的端面分别滑动连接；优选地，拨叉转盘631的端面设有第一滑槽637和第二滑槽638；第一棘刺633的凸台633a和第二棘刺634的凸台634a可分别沿第一滑槽637槽边和第二滑槽638槽边滑动；优选地，在本实施方式中，第一滑槽637槽边和第二滑槽638均为腰型槽；优选地，在本实施方式中，拨杆321端部设有拨杆套，拨杆套位于拨叉转盘631的凹槽631a内。优选地，在本实施方式中，拨叉架632设有安装台面639，拨叉转盘631可相对转动地位于该安装台面上；具体优选地，在本实施方式中，拨杆套、拨叉架632和拨叉转盘631均采用注塑件，利于减轻重量。
本具有拨叉组件630的洗衣机驱动系统的实施方式应用于洗衣机时的工作过程如下：
当洗衣机在洗涤工况时，扭簧322向拨杆321施加的扭力形成驱动力，拨杆321的输出端通过插入拨杆插孔412内，通过拨杆套驱动拨叉转盘631，拨叉转盘631通过滑动连接驱动第一棘刺633和第二棘刺634分别在安装轴635、636上转动，进而通过第一棘刺633的棘刺部633b与第一棘轮610的啮合以 及第二棘刺634的棘刺部634b与第二棘轮620的啮合分别向第一棘轮610和第二棘轮620传输驱动力，该驱动力分别驱动挂设在第一棘轮610的卡口611内和第二棘轮620的卡口内的旋丝弹簧313两端同时被松开，离合轴套311和输入轴套240处于分离状态，与此同时，扭簧322向拨杆321施加的扭力使得其一端安装在拨杆321的安装端上且另一端安装在定子安装盘410上的刹车带510抱紧输出轴套250，使得输出轴套250处于抱紧固定状态，外转子电机100通过输入轴220将旋转动力传输至行星轮系210，通过依次啮合连接的太阳轮211、行星轮212、内齿圈213和行星架215，最终将旋转动力减速输出到波轮，通过波轮的反复运动实现对洗涤物的洗涤功能。
当洗衣机在脱水工况时，外部牵引电机启动工作向拨杆321施加牵引力，此时牵引力克服扭簧322的扭力，拨杆321带动拨叉转盘631转动，进而带动第一棘刺633和第二棘刺634转动，使得第一棘刺633的棘刺部633b与第一棘轮610脱离以及第二棘刺634的棘刺部634b与第二棘轮620脱离，拨杆321不再向第一棘轮610和第二棘轮620传输驱动力，使得原两端松开的旋丝弹簧313复位，即旋丝弹簧313处于锁紧状态，离合轴套311和输入轴套240处于单向锁定状态，与此同时，由于牵引力克服了扭簧322的扭力使得刹车带510松开输出轴套250，当外转子电机100往旋丝弹簧313锁定方向转动时，外转子组件110、输入轴220、行星轮系210和输出轴套250连接为一体，外转子组件110将旋转动力等速输出到内桶，内桶带动波轮一同高速旋转实现对洗涤物的脱水功能。
本实施方式的刹车工作过程同上述实施方式，本实施方式不再重复描述。当然地，本实施方式中的拨叉组件630可以根据需要应用于采用其他类型或其他工作方式的洗衣机驱动机构用离合机构中，本发明不做限定。
通过以上可看出，本实施方式通过设置单一拨叉组件630实现了双棘轮双棘刺的啮合传动离合，避免了现有技术中的采用复杂的双拨杆来实现双棘轮双棘刺的啮合传动离合，本实施方式结构简单，控制方便，而且采用双棘轮双棘刺的啮合传动离合方式实现了对抱簧组件312″的两端松开，可进一步有效确保离合状态切换的精确度。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也 可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (13)

  1. 一种离合机构的拨杆组件，所述拨杆组件包括拨杆和扭簧，其特征在于，所述拨杆包括分别可相对转动地安装在安装壳体上的拨杆操纵件和拨杆本体件，其中，所述扭簧安装在所述拨杆操纵件和拨杆本体件之间，所述拨杆操纵件和拨杆本体件采用传动连接；所述拨杆操纵件和外部牵引机构连接，所述拨杆本体件的端部与所述离合机构的离合组件选择性地配合连接和分离。
  2. 如权利要求1所述的离合机构的拨杆组件，其特征在于，所述拨杆操纵件设有传动臂；所述拨杆本体件固设有滑动轴，其中，所述传动臂与所述滑动轴接触传动连接，所述滑动轴与所述安装壳体滑动连接。
  3. 如权利要求2所述的离合机构的拨杆组件，其特征在于，所述拨杆本体件包括固定连接或一体连接的拨杆安装部和拨杆本体，所述安装壳体上设有滑槽，其中，所述拨杆安装部固定套接在所述滑动轴上，所述滑动轴一端被限位在所述滑槽内。
  4. 如权利要求1所述的离合机构的拨杆组件，其特征在于，所述拨杆操纵件的安装端设有扭簧安装轴，所述扭簧套接在扭簧安装轴上，所述拨杆操纵件通过所述扭簧安装轴可相对转动地安装在所述安装壳体上。
  5. 如权利要求1所述的离合机构的拨杆组件，其特征在于，所述拨杆本体件包括固定连接或一体连接的拨杆安装部和拨杆本体，所述拨杆安装部设有拨杆安装轴，所述拨杆安装部套接在所述拨杆安装轴上，所述拨杆本体件通过所述拨杆安装轴可相对转动地安装在所述安装壳体上。
  6. 如权利要求2所述的离合机构的拨杆组件，其特征在于，所述滑槽呈腰型或圆型或椭圆型或十字型或异型形状。
  7. 一种离合机构，所述离合机构包括离合组件和拨杆组件，其特征在于，所述拨杆组件采用如权利要求1-6之一所述的拨杆组件。
  8. 如权利要求7所述的离合机构，其特征在于，通过拨杆组件向所述离合组件选择性传输驱动力，实现驱动轴和驱动轴套在分离状态与锁定状态间的切换，所述离合组件设有离合轴套和抱簧组件，所述离合轴套设在洗衣机驱动系统的驱动轴输入端外部，且与洗衣机驱动系统的旋转体固定连接；所述抱簧组件包括旋丝弹簧和套接在所述旋丝弹簧外部的棘轮，所述旋丝弹簧套接在所述离合轴套和驱动轴套输入端的外部；其中，
    所述棘轮包括同轴套接在所述旋丝弹簧外部且棘轮锥度方向不一致的第一棘轮和第二棘轮，其中，所述旋丝弹簧一端被限位在所述第一棘轮上，另一端被限位在所述第二棘轮上；
    所述拨杆组件包括套设在所述棘轮外部并安装在洗衣机驱动系统的安装壳体上的拨叉组件，其中，所述拨叉组件设有可与所述第一棘轮啮合的第一 棘刺和可与所述第二棘轮啮合的第二棘刺。
  9. 如权利要求8所述的离合机构，其特征在于，所述拨叉组件包括获取所述驱动力的拨叉转盘和固装在所述定子安装盘上的拨叉架，其中，所述第一棘刺和第二棘刺分别通过安装轴可相对旋转地安装在所述拨叉架上；所述第一棘刺和第二棘刺与所述拨叉转盘的端面分别滑动连接。
  10. 如权利要求9所述的离合机构，其特征在于，所述拨叉转盘的端面设有第一滑槽和第二滑槽；所述第一棘刺的凸台和第二棘刺的凸台可分别沿所述第一滑槽槽边和第二滑槽槽边滑动。
  11. 一种洗衣机驱动系统，包括旋转体和传动装置，所述传动装置包括减速机构和离合机构，所述减速机构获取旋转体的旋转动力，通过离合机构将旋转动力选择性地输出到洗衣机的洗涤执行部件和脱水执行部件，其特征在于，所述离合机构采用如权利要求7-10之一所述的离合机构。
  12. 如权利要求11所述的洗衣机驱动系统，其特征在于，所述洗衣机驱动系统包括刹车机构，所述刹车机构包括刹车带，所述刹车带套接在所述洗衣机驱动系统的驱动轴套外部，且所述刹车带一端安装在所述拨杆操纵件的安装端上，另一端固装在所述安装壳体上。
  13. 如权利要求11所述的洗衣机驱动系统，其特征在于，所述旋转体为电机或皮带轮；所述减速机构包括齿轮减速系，和所述齿轮减速系分别连接的驱动轴、套设在驱动轴外部且与其转动连接的驱动轴套，所述驱动轴输入端与旋转体固定连接；
    所述安装壳体包括定子安装盘和安装板，所述减速机构位于定子安装盘和安装板固定连接形成的腔体中，所述拨杆操纵件和拨杆本体件分别可相对转动地安装在所述定子安装盘上。
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