CN203238461U - Electromagnetic clutch device of washing machine driving device - Google Patents

Abstract

The utility model discloses an electromagnetic clutch device of a washing machine driving device. The electromagnetic clutch device comprises an electromagnetic coil mechanism and a clutch gear ring, wherein the electromagnetic coil mechanism is fixedly arranged in a shell assembly of the washing machine driving device, and the clutch gear ring is arranged in the electromagnetic coil mechanism and can be movably sleeved on an inner gear ring in the washing machine driving device. The clutch gear ring is provided with a first limiting location which moves upwards along the inner gear ring and a second limiting location which moves downwards along the inner gear ring, the clutch gear ring is separated from a latch of a driving rack in the washing machine driving device, at the first limiting location, and the clutch gear ring is meshed with the latch of the driving rack in the washing machine driving device, at the second limiting location. The electromagnetic clutch device of the washing machine driving device is simple in structure, convenient to install and use, high in working reliability, low in energy consumption, and capable of saving clothes washing cost, reducing the size of a motor and making the structure of the motor be more compact.

Description

The electromagnetic clutch device of drive unit of washing machine

Technical field

The utility model relates to the washing machine technical field, is specifically related to the electromagnetic clutch device in a kind of drive unit of washing machine.

Background technology

In drive unit of washing machine, in order to obtain suitable output speed, in actual applications, need to carry out variable-speed processing to the power source of drive unit of washing machine, the normal mode that adopts makes motor be delivered to decelerator at present, by the one-level pulley decelerates, the deceleration that one or more levels mechanical reduction gear is finished a constant-speed ratio is set in decelerator.This structure is not only complicated, and it is large to take up room.In order to solve this technical problem, have at present some about removing belt pulley, motor directly is connected with decelerator, because its motor body and speed changer remain relatively independent, motor body and speed changer need to take installing space respectively, and structure is compact not, and volume is still larger.

Therefore, how designing a kind of compact conformation, the little mechanical reduction gear that takes up room, is the present technical issues that need to address of those skilled in the art; And the parts of this mechanical reduction gear of structure become the at first technical issues that need to address of those skilled in the art.

Summary of the invention

The purpose of this utility model is exactly in order to solve above-mentioned problems of the prior art, a kind of electromagnetic clutch device of drive unit of washing machine is provided, it is simple in structure, installation and use is convenient, functional reliability is high, and energy consumption is low, saves the laundry cost, can reduce motor volume, make electric machine structure compacter.

For realizing above-mentioned purpose of the present utility model, the electromagnetic clutch device of drive unit of washing machine of the present utility model comprises: the interior solenoid mechanism of housing unit that is packed in drive unit of washing machine; Be arranged at the in-house clutch gear ring of solenoid; Wherein, described clutch gear ring is sleeved on the ring gear in the drive unit of washing machine movably; Wherein, described clutch gear ring has along the first spacing position of moving on the ring gear and the second spacing position of moving down along ring gear; Wherein, described clutch gear ring separates with bogie latch in the drive unit of washing machine in the described first spacing position; Wherein, the bogie latch engagement of described clutch gear ring in the described second spacing position and drive unit of washing machine.

Wherein, described solenoid mechanism comprises: be packed in the coil retainer in the described housing unit; Be installed on the coil holder in the coil retainer; Be set around the solenoid on the coil holder.

Wherein, described clutch gear ring comprises: the upper end connecting portion; The lower end connecting portion that is connected with the upper end connecting portion; Wherein, described upper end connecting portion inwall is provided with the internal spline that is slidingly connected with described ring gear, and its outer wall is installed with the magnetic conduction iron hoop; Wherein, the bottom of described lower end connecting portion is provided with the teeth groove that is connected with a joggle with described latch.

Preferably, be formed in one structure or split type fixing mechanism of described upper end connecting portion and described lower end connecting portion.

Wherein, described drive unit of washing machine comprises: the rotary body that is used to provide rotational kinetic energy; Be installed in the deceleration device of described rotary body inside; The wash shaft and the dehydration axle sleeve that connect described deceleration device; Wherein, the dehydration axle sleeve is sheathed on the wash shaft outside and is rotationally connected with it.

Preferably, described rotary body is rotor or belt pulley.Natch, described rotary body can for adopting other rotary part that is in transmission connection, for example be gear or sprocket wheel also.

Preferably, described rotary body comprises: the bogie with described latch; Be positioned at the cavity within the described bogie.

Preferably, described deceleration device is installed in the described cavity, and comprises: the eccentric bushing that connects described bogie and rotate around the bogie axis; Be set in the spur gear that described eccentric bushing is outside and be rotationally connected with it; Connect the ring gear of described dehydration axle sleeve or wash shaft, be mounted with described spur gear in it; Described spur gear is connected to the jockey of described wash shaft or dehydration axle sleeve.When rotary body was rotor, described bogie was rotor rack; When rotary body was belt pulley, described bogie was the belt wheel carrier.More specifically, described rotor rack and belt wheel carrier can be integral types, also can be knockdown.

Preferably, described jockey is slide block structure, and it comprises: pass the crosshead shoe of described wash shaft or dehydration axle sleeve, the upper end of its lower surface and described spur gear is slidingly connected; With the positioning sliding block that the upper end of crosshead shoe is slidingly connected, its center and described wash shaft or dehydration axle sleeve are connected.

Perhaps, described jockey comprises the terminal pad body, and described terminal pad body and described spur gear are that axis hole pin plug-in is slidingly connected.Particularly, the set-up mode that described axis hole pin plug-in is slidingly connected is: described axis hole is distributed on the terminal pad body, connects bearing pin and is arranged on the spur gear, axis hole and be connected bearing pin and carry out the plug-in mounting realization and be slidingly connected; Also can be: described axis hole be distributed on the spur gear, connects bearing pin and is arranged on the terminal pad body, axis hole and be connected bearing pin and carry out the plug-in mounting realization and be slidingly connected; Can also be: described axis hole be distributed in respectively on terminal pad body and the spur gear, carries out plug-in mounting with axis hole respectively by the connection bearing pin and realizes being slidingly connected; It is a plurality of that described axis hole and the quantity that is connected bearing pin can be, and specifically can be chosen in 4-12, most preferably, is 6-8.

Preferably, described eccentric bushing comprises: be connected with described bogie and around the second body of described bogie axis rotation; With the first body that the second body upper end is fixedly connected with, it rotates around described bogie eccentric axis; Wherein, described spur gear rotates the outside that is installed on described the first body.

Compared with prior art, the electromagnetic clutch device of drive unit of washing machine of the present utility model has following advantage:

1) the utility model electromagnetic clutch device is simple in structure, and installation and use is convenient, and functional reliability is high;

When 2) electromagnetic coil structure of the present utility model was switched on, the latch of clutch gear ring and bogie was connected with a joggle, and washing machine enters dehydration condition; During the electromagnetic coil structure outage, the clutch gear ring separates with the latch of bogie, and washing machine enters the washing operating mode, thereby reduces energy consumption, saves the laundry cost;

3) electromagnetic clutch device of the present utility model is placed in the housing unit, therefore reduces motor volume, makes electric machine structure compacter.

Below in conjunction with accompanying drawing the utility model is elaborated.

Description of drawings

Fig. 1 is the structural representation that includes drive unit of washing machine first embodiment of electromagnetic clutch device of the present utility model;

Fig. 2 is the explosive view of deceleration device among Fig. 1;

Fig. 3 is the structural representation of positioning sliding block among Fig. 1;

Fig. 4 is the structural representation of crosshead shoe among Fig. 1;

Fig. 5 is the structural representation of spur gear among Fig. 1;

Fig. 6 is the structural representation of eccentric bushing among Fig. 1;

Fig. 7 is the structural representation that includes drive unit of washing machine second embodiment of electromagnetic clutch device of the present utility model;

Fig. 8 is the explosive view of deceleration device among Fig. 7;

Fig. 9 is the structural representation of terminal pad among Fig. 7;

Figure 10 is the right side view of terminal pad shown in Figure 9;

Figure 11 is the structural representation of spur gear among Fig. 7;

Figure 12 is the structural representation of Fig. 1 and Fig. 7 rotor inserts;

Figure 13 is the explosive view of electromagnetic clutch device among Fig. 1 and Fig. 7, dehydration axle sleeve and ring gear part;

Figure 14 is the structural representation of ring gear among Fig. 1 and Fig. 7;

Figure 15 is the top view of the ring gear shown in Figure 14;

Figure 16 is the structural representation of clutch gear ring of the present utility model;

Figure 17 is the front view that includes the drive unit of washing machine of electromagnetic clutch device of the present utility model;

Figure 18 is the direction of rotation schematic diagram of part among Fig. 1 and Fig. 7.

Description of reference numerals: 1-housing unit; The 2-stator; The 3-internal rotor; The 4-eccentric bushing; The 5-wash shaft; The 6-spur gear; The 7-ring gear; The 8-jockey; The 9-clutch apparatus; The 11-housing; The 12-electric motor end cap; 13-motor bolt; The 14-mounting disc; The 20-axle sleeve that dewaters; The 31-bogie; The 32-inner chamber; The 33-latch; The 34-rotor; 35-rotor inserts; The 351-cylinder; The 352-base; 41-eccentric bushing body; 42-the first body; 43-the second body; The 44-through hole; 411-extension limit; 40-spur gear axis; 50-wash shaft axis; The 60-external tooth; 62-gear groove; The 61-connecting shaft hole; The 63-steel ring; The 71-upper connector; Connector under the 72-; 201-axle sleeve groove; The 711-external splines; The 712-tongue; The 721-internal tooth; 722-boss with holes; The 723-reinforcement; 81-terminal pad body; The 82-through hole; The 83-connecting axle; The 84-cylinder; The 85-crosshead shoe; The 86-positioning sliding block; 851-disk body; The 852-lower convex platform; The 853-convex platform; 861-slide block body; The 862-otic placode; The 863-groove; The 100-bearing; The 200-spring; 91-clutch gear ring; The 92-solenoid; The 93-coil holder; The 94-coil retainer; The 911-internal spline; 912-magnetic conduction iron hoop; The 913-teeth groove.

The specific embodiment

Core of the present utility model provides a kind of electromagnetic clutch device of drive unit of washing machine, and it is simple in structure, and installation and use is convenient, and functional reliability is high, and energy consumption is low, saves the laundry cost, can effectively reduce motor volume, makes electric machine structure compacter.

It is pointed out that it is to be arranged in figure and parts position each other defines with parts among Fig. 1 to Figure 18 that relate to upper and lower waited the noun of locality herein, just in order to explain the clear of technical scheme and conveniently.Should be appreciated that the noun of locality that this paper adopts should not limit the scope that present specification is asked for protection.

It is pointed out that function structure or member identical or that communicate indicates with identical mark in the drawings in each embodiment of the utility model.

Figure 17 shows that the front view of the drive unit of washing machine that includes electromagnetic clutch device of the present utility model, Fig. 1 and Fig. 7 are the cutaway view of two embodiment of the drive unit of washing machine that includes electromagnetic clutch device shown in Figure 17, such as Fig. 1, shown in Figure 7, the electromagnetic clutch device of drive unit of washing machine of the present utility model comprises: the interior solenoid mechanism of housing unit that is packed in drive unit of washing machine; Be arranged at the in-house clutch gear ring of solenoid; Wherein, the clutch gear ring is sleeved on the ring gear in the drive unit of washing machine movably; Wherein, the clutch gear ring has along the first spacing position of moving on the ring gear and the second spacing position of moving down along ring gear; Wherein, the clutch gear ring separates with bogie latch in the drive unit of washing machine in the first spacing position; Wherein, the bogie latch engagement of clutch gear ring in the second spacing position and drive unit of washing machine.

Wherein, drive unit of washing machine of the present utility model comprises: the rotor that is used to provide rotational kinetic energy; Be installed in the deceleration device on the described rotor, be used for obtaining rotational kinetic energy from the rotor center position, and export the power that its rotating speed is equal to or less than described rotor rotating speed; Connect wash shaft and the dehydration axle sleeve of described deceleration device, it is supplied to the described power that is equal to or less than described rotary body rotating speed respectively the corresponding execution unit of washing machine under the effect of described deceleration device outputting power; Wherein, the dehydration axle sleeve is sheathed on the wash shaft outside and is rotationally connected with it.

Preferably, described rotor can be the internal rotor of motor, also can be the outer rotor of motor or other the rotary body that rotational kinetic energy can be provided, such as belt pulley etc., for the ease of understanding, in embodiment of the present utility model, be that the situation of motor internal rotor is narrated to rotor only.But be interpreted as, those skilled in the art fully can be according to the described technical scheme of the utility model embodiment, with the motor internal rotor described in motor outer rotor or other rotary body corresponding substitute embodiment, and, when corresponding substitute, structure of the present utility model is carried out corresponding change also do not have novelty.

In the utility model, the internal rotor of motor is by providing rotational kinetic energy around the axis rotation that is positioned at self center, be provided with the deceleration device that the output speed with internal rotor slows down and processes in internal rotor inside, because deceleration device links to each other with internal rotor, therefore deceleration device at internal rotor in the process that axis rotates, obtained rotational kinetic energy, because the eccentric bushing that is connected with internal rotor in the deceleration device carries out eccentric rotary around the internal rotor axis, therefore other part that drives in the deceleration device also carries out eccentric rotary around the internal rotor axis, and is the power output that rotating speed is equal to or less than the internal rotor rotating speed with the power-conversion behind the eccentric rotary.Because deceleration device links to each other with wash shaft, and the impeller of an end of wash shaft and washing machine (or agitator, hereinafter herewith, repeat no more) ((not shown) links to each other, and the outer cover in wash shaft is provided with the dehydration axle sleeve 20 that is rotationally connected with it, the dehydration axle sleeve links to each other with the interior bucket (not shown) of washing machine, thereby under the effect of deceleration device outputting power, wash shaft is supplied to respectively corresponding execution unit with the dehydration axle sleeve with the described power that is equal to or less than the internal rotor rotating speed, and then makes the washing machine that electromagnetic clutch device of the present utility model is installed finish the function of laundry.

In the utility model, shown in Figure 17,1,7, in housing unit 1 positioned inside stator 2 is arranged, be useful on the internal rotor 3 that rotational kinetic energy is provided in stator 2 positioned inside.Internal rotor of the present utility model comprises bogie 31 and is located at the cavity 32 of bogie inside, so the rotating speed of internal rotor is the rotating speed of bogie, and the rotating shaft of bogie is its symmetry axis.Wherein, deceleration device is installed in the cavity of bogie inside, and it comprises: connect bogie 31 and around the eccentric bushing 4 of bogie axis rotation, its under the drive of bogie with the synchronized rotation of bogie; The spur gear 6 that is set in the eccentric bushing outside and is rotationally connected with its formation, it revolves round the sun around the bogie axis along with the rotation of eccentric bushing; The ring gear 7 that connects dehydration axle sleeve 20, be mounted with spur gear in it, so that spur gear during revolving round the sun with the engagement of the internal tooth of ring gear and produce rotation, and ring gear with the process of spur gear engagement in also rotate accordingly, and give the dehydration axle sleeve with transmission of power; Wherein, spur gear links to each other with wash shaft 5 by jockey, thereby transmission of power that its rotation is produced is to wash shaft.

And because washing machine needs different output speeds under different operating modes, therefore adopt electromagnetic clutch device of the present utility model to control the output speed of deceleration device, namely endwisely slip in order to be connected with a joggle with the latch of bogie or separate with latch along annular gear outer-wall by the clutch gear ring, and so that the rotating speed of deceleration device output is equal to or less than the rotating speed of bogie.

Concrete, the electromagnetic clutch device of drive unit of washing machine of the present utility model is mobile downward or upward along annular gear outer-wall by energising or the outage control clutch gear ring of solenoid, thereby realization clutch gear ring is connected with a joggle with the latch of bogie or separates, and then make the deceleration device in the drive unit of washing machine be in locked or duty, therefore make deceleration device realize slowing down or output at a high speed.

Wherein, solenoid of the present utility model mechanism comprises solenoid 92, coil holder 93 and coil retainer 94.Coil retainer is fixedly mounted in the mounting disc 14 in the housing unit, and coil holder is installed in the coil retainer, and the solenoid winding is on coil holder.

Wherein, clutch gear ring 91 of the present utility model comprises upper end connecting portion and lower end connecting portion, and the upper end connecting portion can be fixedly connected with for split type with the lower end connecting portion, also can be that integral type is fixedly connected with.For the ease of processing or installation, preferably, as shown in figure 16, the upper end connecting portion is tubular structure, its inwall is provided with internal spline 911, and its outer wall is established the magnetic conduction iron hoop 912 with its integrated injection molding, and the external splines 711 on internal spline 911 and the annular gear outer-wall is slidingly matched, and the magnetic conduction iron hoop matches with solenoid, can be away from solenoid under the magneticaction of solenoid; The bottom end face of lower end connecting portion is provided with a plurality of double wedges spaced apart, form teeth groove 913 between each adjacent double wedge, and this teeth groove 913 is complementary with the latch 33 of being located on bogie one end face, and preferably, the position is provided with some material reducing grooves to reduce manufacturing cost around the connecting portion of lower end.

When solenoid is switched on, under the effect of solenoid magnetic field repulsive force, the magnetic conduction iron hoop is moved downward so that away from solenoid, and the upper end connecting portion of magnetic conduction iron hoop and clutch gear ring is connected, thereby under the drive of magnetic conduction iron hoop, so that whole clutch gear ring 91 is along the annular gear outer-wall down sliding and arrive its second spacing position, the teeth groove of clutch this moment gear ring lower end connecting portion and the latch on the bogie are connected with a joggle, therefore, ring gear obtains the rotating speed identical with bogie, and makes the deceleration device in the drive unit of washing machine be in locking state; On the contrary, when solenoid cuts off the power supply, the clutch gear ring is under the effect of the restoring force that is installed on the ring gear upper spring, along the annular gear outer-wall upward sliding and arrive its first spacing position, the teeth groove of lower end connecting portion is separated with latch on the bogie, and then make the deceleration device in the drive unit of washing machine enter duty.

Have in the drive unit of washing machine of the utility model electromagnetic clutch device, deceleration device is connected to spur gear on the wash shaft by jockey, below in conjunction with different jockeys, the drive unit of washing machine with electromagnetic clutch device of the present utility model is elaborated.

Embodiment 1

As shown in Figure 1, 2, be the structural representation of slide block structure for jockey in the drive unit of washing machine that includes the utility model electromagnetic clutch device.

As shown in Figure 1, the motor of the present embodiment is inner rotor motor.Wherein, housing unit comprises: the tubular shell 11 of both ends open, the electric motor end cap 12 that is connected with housing 11 bottoms, the mounting disc 14 that is positioned at the housing top and is connected by motor bolt 13 with electric motor end cap 12, and housing 11, electric motor end cap 12 and mounting disc 14 surround an inner space that is used for settling other parts such as stator 2 and internal rotor 3.

The internal rotor of the present embodiment comprises bogie 31 and is located at the cavity 32 of bogie inside, and is provided with latch 33 at the top of bogie end face.Concrete, shown in Fig. 1,12, the bogie of the present embodiment comprises the rotor 34 and the rotor inserts 35 that is positioned at rotor of tubular, its rotor inserts comprises: the cylinder 351 of both ends open, its top are provided with upwardly extending latch 33; Be positioned at the base 352 of cylinder bottom, and a base plate through holes is offered at the center of base.Cylinder in the rotor inserts and base are configured for settling the cavity 32 of deceleration device jointly, and wash shaft is passed the center of described base plate through holes, have the rotating shaft identical with wash shaft when therefore bogie rotates, namely the rotation of bogie overlaps with the rotation of wash shaft.

In the present embodiment, as shown in Figure 2, be mounted with deceleration device in the cavity of internal rotor, this deceleration device comprises eccentric bushing 4, spur gear 6, ring gear 7 and jockey 8.

Wherein, the eccentric bushing in the deceleration device is fixedly connected with bogie 31, and eccentric bushing is around the rotating shaft rotation of bogie.As shown in Figure 6, this eccentric bushing comprises and the second body of bogie coaxial line rotation and the first body that rotates with bogie off-axis line, wherein the second body can be fixedly connected with for split type with the first body, also can be that integral type is fixedly connected with, for the ease of processing or installation, preferably, as shown in Figure 2, the second body is the second body 43, the first body comprises the eccentric connector 41 that is connected with the second body top and the first body 42 that is connected with the eccentric connector top, wherein, eccentric connector 41 has with respect to the first body 42 and extends laterally formed extension limit 411, and be provided with in the second body 43 be used to the eccentric bushing through hole that passes wash shaft, this eccentric bushing through hole extends upward and runs through eccentric connector and the first body.

When the processing eccentric bushing, the first body, eccentric connector and the second body can adopt integrated mode, perhaps adopting the mode such as welding to connect is integrated, and, adding man-hour, should make between the center line of the center line of the first body and the second body to have certain eccentric throw, this eccentric throw can be taken as the poor of the radius of spur gear and ring gear radius.

In the present embodiment, eccentric bushing 4 is fixedly connected with for ease of transmitting being rigidly connected of rotation torque with 31 of bogies, is adding man-hour, and eccentric bushing and bogie can adopt integral type to be connected, also can adopt split type being connected, as connecting by modes such as screw, welding.Preferred concrete mode is: the rotor 34 of tubular adopts metal material, eccentric bushing 4 adopts metal material, rotor 34, the eccentric bushing 4 of tubular are put into injection mold or die casting, directly through injection moulding or die cast rotor and eccentric bushing are installed on the rotor inserts 35; More preferably, the outside on the extension limit of eccentric connector 41 can be provided with several depressions (among Fig. 2 being 4) or chimb in the eccentric bushing 4, thereby the adhesion when increasing eccentric bushing 4 with bogie 31 injection mouldings or die casting is easy to rigidly fix the needs that are connected between eccentric bushing 4 and the bogie 31.

When bogie rotates, be connected in also thereupon coaxial, synchronized rotation of eccentric bushing in its rotor inserts base plate through holes by the second body, thereby drive with eccentric bushing in the spur gear that is rotationally connected of the first body 42 also rotate accordingly thereupon.

As shown in Figure 5, the spur gear 6 of the present embodiment comprise steel ring 63 and be positioned at the steel ring outside and with the external tooth 60 of its integrated injection molding, and the upper end of spur gear also is provided with a pair of radially relative gear groove 62.Wherein, the first body in steel ring and the eccentric bushing is rotationally connected, concrete mode is: the inner ring of the outer wall of the first body 42 and oiliness bearing 100 is connected in the interference mode, and the upper end on eccentric connector extension limit is connected with the bottom contact on oiliness bearing 100 extension limits, and the outer ring of oiliness bearing 100 is connected with the gap fiting mode contact with the inwall of spur gear; Perhaps, also can adopt the outer wall of the first body 42 is that gap fiting mode is connected with the inner ring of oiliness bearing 100, and the upper end on eccentric connector extension limit is connected with the bottom contact on oiliness bearing 100 extension limits, and the outer ring of oiliness bearing 100 is connected with the interference fit contact with the inwall of spur gear.

Natch, be connected for realizing that eccentric bushing 4 relatively rotates with spur gear, also can adopt following concrete mode: eccentric bushing 4 self structure are improved, as adopt powdered metallurgical material, so that eccentric bushing 4 itself possesses the function of oiliness bearing 100, avoid the independent use of oiliness bearing 100, thereby steel ring and eccentric bushing with the oiliness bearing function own are rotationally connected.

Preferably, can be provided with some material reducing grooves in the inside of the first body 42 to reduce manufacturing cost, also can in the material reducing groove, add simultaneously an amount of material that plays lubricating function, such as lubricating oil, oil cotton, increase the service life of eccentric bushing.

When eccentric bushing rotates, under driving, it carries out the revolution of identical direction of rotation with it with the spur gear that the first body on it is rotationally connected, and because the first body in the eccentric bushing and the centreline spacing of the second body have certain eccentric throw, and the rotation of the first body and bogie dead in line, therefore when spur gear revolves round the sun, be actually and carrying out eccentric rotation around the bogie axis.

Spur gear is in the revolution process, because therefore its external tooth and ring gear engagement can pass to ring gear with its rotary power.The ring gear of the present embodiment is metal or plastic fastening, more preferably, in order to save manufacturing cost, may be selected to be integrated injection molding spare, and this metal or plastic fastening comprise upper connector 71 and be arranged on its lower end and connected lower connector 72.As shown in figure 14, upper connector is housing, and its outer wall is provided with the external splines 711 along its axial distribution, and its inwall is provided with a plurality of tongues 712 along its axial distribution; And lower connector 72 is tubular structure, its top and upper connector are connected, wall is embedded with internal tooth 721 within it, and also is provided with a plurality of reinforcements 723 in the junction of itself and upper connector, and also is provided with a plurality of boss with holes 722 for settling spring 200 723 of adjacent reinforcements.

As shown in figure 13, a plurality of tongues in the upper connector are complementary with a plurality of axle sleeve grooves 201 that are located at dehydration axle sleeve outer wall, thereby ring gear and dehydration axle sleeve are connected to one, in addition, also can adopt metal connecting piece is realized being rigidly connected with the dehydration axle sleeve by laser weld or other modes, in the present embodiment, the internal tooth 721 that is positioned at lower connector 72 inwalls can adopt plastics to make, and also can adopt metal to make.

When spur gear when revolving round the sun (namely carrying out eccentric rotary around the bogie axis), its external tooth can mesh with the internal tooth of ring gear, thereby under the interaction force of gear teeth meshing, so that spur gear produces rotation, and the direction of rotation of this moment and the opposite direction of its revolution, simultaneously because there is the poor relation of tooth in the interior between cog of its external tooth and ring gear, therefore so that spur gear can produce speed difference when rotation and revolution, be the speed of the time rotational speed when being lower than revolution, thereby make the rotating speed of its output be lower than the rotating speed of bogie.Accordingly, owing to having interaction force between ring gear and spur gear, therefore so that ring gear also can rotate at the spur gear time rotational, just the direction of rotation of ring gear is opposite with the sense of rotation of spur gear at this moment, that is to say, this moment, the direction of rotation of ring gear was identical with the direction of rotation of bogie, and the rotating speed of ring gear also is lower than the rotating speed of bogie at this moment.

To sum up, spur gear the eccentric bushing of rotation and with comprehensive function power of its ring gear by gear teeth meshing under, revolve round the sun simultaneously and rotation, and the direction of its rotation and revolution opposite direction, the rotating speed of time rotational is lower than the rotating speed of bogie; And ring gear is also under the effect of respective action power, carries out opposite with the spur gear sense of rotation and is lower than rotatablely moving of bogie rotating speed.

When spur gear in low speed rotation process, its by slide block structure with transmission of power to wash shaft.The slide block structure of the present embodiment comprises: pass the crosshead shoe 85 of wash shaft, the upper end of its lower surface and spur gear is slidingly connected; With the positioning sliding block 86 that the upper end of crosshead shoe is slidingly connected, its center and wash shaft are connected.Wherein, as shown in Figure 4, crosshead shoe comprises: the disk body 851 of wash shaft is passed at the center; Be arranged at respectively disk body lower surface and radially relative a pair of lower convex platform 852; Be arranged at respectively disk body upper end and radially relative a pair of convex platform 853, its extended line becomes the space cross distribution with a pair of lower convex platform extended line.As shown in Figure 3, positioning sliding block comprises: tubular slide block body 861, and its center and wash shaft are connected; Be located at slide block body both sides and along its radially opposing a pair of otic placode 862 that stretches out, be respectively equipped with the groove 863 that is complementary with a pair of convex platform on it.Preferably, the upper end of spur gear is provided with radially relative a pair of gear groove, and its position with a pair of lower convex platform is corresponding.

Concrete, as shown in Figure 5, in the present embodiment, in a pair of gear groove 62 of spur gear upper end, settling respectively a pair of lower convex platform in the crosshead shoe 85, and a pair of lower convex platform can slide in a pair of gear groove corresponding with its position respectively; A pair of convex platform in the crosshead shoe 85 is placed in respectively a pair of groove 863 that is positioned at the positioning sliding block lower surface, and a pair of convex platform can slide in a pair of groove respectively; The slide block body center of positioning sliding block is fixedly connected with wash shaft, thus so that the central lines of the center line of positioning sliding block and wash shaft.

When spur gear low speed time rotational, a pair of gear groove 62 on it is synchronized, rotating Vortex thereupon, thereby drive a pair of lower convex platform 852 that is placed in a pair of gear groove rotates thereupon, the i.e. whole and then spur gear of crosshead shoe this moment rotation, under the effect of centrifugal force, a pair of lower convex platform on the crosshead shoe and a pair of convex platform radially slide in a pair of gear groove and a pair of groove 863 respectively, and the process of sliding is by the motion process of spur gear axis 40 directions towards wash shaft axis 50 directions.Because a pair of convex platform in the crosshead shoe slides and is placed in a pair of groove 863 of positioning sliding block, drive the groove rotation when therefore convex platform rotates, namely drive the positioning sliding block rotation, because center and the wash shaft of positioning sliding block are connected, thus when positioning sliding block rotates the drive wash shaft with its carry out with spur gear in the same way, synchronized rotatablely moving.

Can be found out by Fig. 2 and Figure 18, when spur gear rotates around the wash shaft eccentric axis, pass through slide block structure, the power that the spur gear time rotational can be produced around 40 rotations of spur gear axis, be converted into wash shaft around the power of wash shaft axis 50 (being the bogie axis) rotation, be about to spur gear and be converted into output with the wash shaft axis coaxle around the output of wash shaft eccentric axis rotation.

Electromagnetic clutch device of the present utility model is placed in the internal cavities of housing unit formation, and the clutch gear ring in the electromagnetic clutch device is set on the outer wall of ring gear in axial sliding, its by be located at bogie one end face on latch 33 be connected with a joggle or separate with latch, thereby so that deceleration device carries out the output of high speed or low speed, and then the output speed that makes washing machine with this electromagnetic clutch device regulate deceleration device according to the different needs of washing operating mode.

The below specifically narrates the course of work of washing machine in dehydration and washing operating mode situation with electromagnetic clutch device of the present utility model.

When washings is dewatered, the at this moment solenoid energising in the clutch apparatus, the magnetic conduction iron hoop 912 of solenoid and clutch gear ring arranged outside interacts and forms the magnetic circuit of a closure, this moment, the magnetic conduction iron hoop drove the clutch gear ring along annular gear outer-wall down sliding (in such as Fig. 1 downward direction) under the effect of electromagnetic repulsive force, and the clutch gear ring will be arranged on the spring-compressed in the ring gear in sliding process, and a plurality of teeth groove of being arranged on clutch gear ring lower end connecting portion and the latch of bogie one end are connected with a joggle togather, thereby so that clutch gear ring and bogie connect as one, and then dehydration axle sleeve and bogie are connected as one, and make the dehydration axle sleeve obtain the rotating speed identical with bogie.Because the rotary inertia of the interior bucket that is connected with the dehydration axle sleeve is greater than the rotary inertia of the impeller that is connected with wash shaft, so spur gear and ring gear in the deceleration device that is connected by wash shaft and impeller are in locking state, so that deceleration device is in locking state under the rotary inertia greatly at interior bucket, therefore whole deceleration device is along with bogie runs up together, and then drive the wash shaft be connected with it and also carry out High Rotation Speed in company with bogie, thereby the impeller high speed rotating that interior barrel of drive being connected with the axle sleeve that dewaters is connected with wash shaft is dewatered to washings.

When washings is washed, solenoid outage this moment, the closed magnetic circuit that forms between solenoid and the magnetic conduction iron hoop disappears, the clutch gear ring no longer is subject to the effect of electromagnetic force, therefore under the effect of spring restoring force, the clutch gear ring moves up along annular gear outer-wall, thereby a plurality of teeth groove that are arranged on clutch gear ring lower end connecting portion are separated with the latch of bogie one end, and then makes the transmission device in the deceleration device enter duty:

As shown in figure 18, when bogie (is the wash shaft axis 50 shown in Figure 18 along counter clockwise direction shown in Figure 180 around the bogie axis, for convenience, below all this axis is referred to as the wash shaft axis) during High Rotation Speed, drive and carry out High Rotation Speed with the speed identical with it around the wash shaft axis with its eccentric bushing that is connected 4 in the counterclockwise direction with it, and the High Rotation Speed of eccentric bushing drives spur gear carries out off-centre around the wash shaft axis high speed revolution, when spur gear in high speed revolution process, its external tooth is meshed with the internal tooth of ring gear and produces mutual active force, thereby so that spur gear carries out rotation around spur gear axis 40, and the opposite direction of the direction of spur gear rotation and eccentric bushing rotation, as shown in Figure 18, this moment, the direction of rotation of spur gear was clockwise, and its rotating speed is lower than the rotating speed of bogie.

Mesh and produce in the process of rotation at spur gear and ring gear, ring gear is rotated under its effect, because the internal tooth of ring gear and the outer between cog of spur gear exist tooth poor, therefore ring gear carries out low speed rotation, counter clockwise direction as shown in Figure 18 along the direction opposite with the spur gear direction of rotation.And be accompanied by the spur gear rotation, also have the slide block structure in the deceleration device.When spur gear to be lower than the bogie rotating speed when the spur gear axis carries out clockwise rotation, spur gear by establish with its on a pair of gear groove 62 transmission of power is placed in a pair of lower convex platform 852 in a pair of gear groove to slip, thereby so that crosshead shoe is along with spur gear carries out clockwise rotation, and then drive is carried out clockwise rotation by the positioning sliding block that a pair of convex platform on a pair of groove 863 and the crosshead shoe is slidingly connected, because center and the wash shaft of positioning sliding block are connected, carry out clockwise rotation thereby when positioning sliding block turns clockwise, drive wash shaft with it, shown in arrow the most inboard among Figure 18.

As shown in Figure 18, in the washing operating mode, when the bogie High Rotation Speed, transmission device by the present embodiment, can make the dehydration sleeve that is connected with ring gear and the impeller that is connected with wash shaft obtain the rightabout low-speed motion that is lower than the bogie rotating speed, need the difficult problem that sleeve is fixed and need to consume mass energy of dewatering when washing thereby solved in the prior art.

The present embodiment is by being placed in deceleration device internal rotor inside, thereby effectively utilized the inner space of internal rotor, reduced the volume of washing machine, be beneficial to the miniaturization production of washing machine, and, in the present embodiment, adopt slide block structure that spur gear is connected with wash shaft, thereby the off-centre around the wash shaft axis of spur gear is exported the output that is converted into the wash shaft axis coaxle, avoid deceleration device to produce in the course of the work unnecessary vibration.

Embodiment 2

Shown in Fig. 7,8, be the structural representation with employing terminal pad structure in the drive unit of washing machine of electromagnetic clutch device of the present utility model.

As shown in Figure 7, the motor of the present embodiment also is inner rotor motor.Wherein, in housing unit, be mounted with the internal rotor with cavity, and in the cavity of internal rotor, be mounted with deceleration device and electromagnetic clutch device, this deceleration device comprises eccentric bushing 4, spur gear 6, ring gear 7 and jockey 8, what in the present embodiment, jockey adopted is the terminal pad structure.

In the present embodiment, eccentric bushing in housing unit, clutch apparatus and the deceleration device, ring gear are all identical with embodiment 1, no longer repeat at this, the below only describes accordingly to the laundry drive unit that adopts the terminal pad structure and have an electromagnetic clutch device of the present utility model.

As shown in figure 11, the spur gear 6 in the present embodiment comprise steel ring 63 and be positioned at the steel ring outside and with the external tooth 60 of its integrated injection molding, and be useful on the connecting shaft hole 61 of settling a plurality of connecting axles 83 at the circumference uniform distribution of steel ring.Wherein, the first body in steel ring and the eccentric bushing is rotationally connected, and concrete connected mode is identical with embodiment 1, no longer repeats at this.

Terminal pad structure in the present embodiment comprises terminal pad and drives a plurality of connecting axles that terminal pad rotates with the terminal pad sliding-contact and by frictional force.Concrete, shown in Fig. 8,9,10, terminal pad has the terminal pad body 81 that is plate-like, its center is passed wash shaft and is connected with wash shaft, for strengthen with wash shaft between be connected, can set firmly a cylinder 84 at middle part, the upper end of terminal pad body, profile of tooth and wash shaft by the cylinder inner wall setting are connected.During fabrication, terminal pad body and cylinder are one-body molded, perhaps adopt the mode of welding to connect and are integrated.Even circumferential at the terminal pad body is distributed with a plurality of through holes 82, and an end of a plurality of connecting axles is placed in respectively in each through hole and with its sliding-contact.Concrete, an end of each connecting axle is placed in the through hole of terminal pad body, and slides along the inwall of through hole, and the other end fixed in position of each connecting axle is in a connecting shaft hole of spur gear.In the present embodiment, the through hole on the terminal pad body and the quantity of connecting axle are six, and the internal diameter of through hole is greater than the external diameter of connecting axle.When mounted, first the described other end of six connecting axles is distinguished fixed in position in six connecting shaft holes of spur gear, end with six connecting axles is placed in respectively in six through holes of terminal pad body again, the outer surface of guaranteeing simultaneously six connecting axles respectively and the inwall of six through holes corresponding with its position tangent.

Deceleration device in the present embodiment is to transmit by the rotary power of following motion with internal rotor.

When the solenoid in the electromagnetic clutch device is switched on, washing machine enters dewatering state: the magnetic conduction iron hoop 912 of solenoid and clutch gear ring arranged outside interacts and can form the magnetic circuit of a closure at this moment, this moment, the magnetic conduction iron hoop drove the clutch gear ring along annular gear outer-wall down sliding (in such as Fig. 1 downward direction) under the effect of electromagnetic repulsive force, and the clutch gear ring will be arranged on the spring-compressed in the ring gear in sliding process, and a plurality of teeth groove of being arranged on clutch gear ring lower end connecting portion and the latch of bogie one end are connected with a joggle togather, thereby so that clutch gear ring and bogie connect as one, and then dehydration axle sleeve and bogie are connected as one, and make the dehydration axle sleeve obtain the rotating speed identical with bogie.Because the rotary inertia of the interior bucket that is connected with the dehydration axle sleeve is greater than the rotary inertia of the impeller that is connected with wash shaft, so spur gear and ring gear in the deceleration device that is connected by wash shaft and impeller are in locking state, so that deceleration device is in locking state under the rotary inertia greatly at interior bucket, therefore whole deceleration device is along with bogie runs up together, and then drive the wash shaft be connected with it and also carry out High Rotation Speed in company with bogie, thereby the impeller high speed rotating that interior barrel of drive being connected with the axle sleeve that dewaters is connected with wash shaft is dewatered to washings.

When the solenoid in the clutch apparatus cuts off the power supply, washing machine enters the washing state: at this moment, the closed magnetic circuit that forms between solenoid and the magnetic conduction iron hoop clutch gear ring disappears, the clutch gear ring no longer is subject to the effect of electromagnetic attraction, therefore under the effect of spring restoring force, the clutch gear ring moves up along annular gear outer-wall, thereby a plurality of teeth groove that are arranged on clutch gear ring lower end connecting portion are separated with the latch of bogie one end, and then makes deceleration device enter following duty:

As shown in figure 18, when bogie (is the wash shaft axis 50 shown in Figure 18 along counter clockwise direction shown in Figure 180 around the bogie axis, for convenience, below all this axis is referred to as the wash shaft axis) during High Rotation Speed, drive and carry out High Rotation Speed with the speed identical with it around the wash shaft axis with its eccentric bushing that is connected 4 in the counterclockwise direction with it, and the High Rotation Speed of eccentric bushing drives spur gear carries out off-centre around the wash shaft axis high speed revolution, when spur gear in high speed revolution process, its external tooth is meshed with the internal tooth of ring gear and produces mutual active force, thereby so that spur gear carries out rotation around spur gear axis 40, and the opposite direction of the direction of spur gear rotation and eccentric bushing rotation, as shown in Figure 18, this moment, the direction of rotation of spur gear was clockwise, and its rotating speed is lower than the rotating speed of bogie.

Mesh and produce in the process of rotation at spur gear and ring gear, ring gear is rotated under its effect, because the internal tooth of ring gear and the outer between cog of spur gear exist tooth poor, therefore ring gear carries out low speed rotation, counter clockwise direction as shown in Figure 18 along the direction opposite with the spur gear direction of rotation.And be accompanied by the spur gear rotation, also has the terminal pad structure in the deceleration device, its rotation along with spur gear is rotated accordingly, and drive wash shaft carry out synchronized with spur gear, with the rotation of direction of rotation, and, make spur gear around the off-centre output that the rotation of wash shaft eccentric axis produces, be converted into along the output of wash shaft axis direction.

Concrete, spur gear is in the process of eccentric rotary, be packed in six connecting shaft holes of spur gear six connecting axles also with its synchronous rotary, because an end of six connecting axles is against on the inwall of six through holes of terminal pad body and moves in a circle on the wall within it, therefore six connecting axles jointly promote the terminal pad body and make the terminal pad body along with the rotation of spur gear synchronous rotary, and owing to cylinder and the wash shaft of terminal pad body upper end is connected, therefore when the terminal pad body rotates, can drive thereupon synchronous rotary of wash shaft, thereby the output that departs from the wash shaft axis direction that has produced when having realized the spur gear eccentric rotary is converted into and the output in the same way of wash shaft axis.

Other involved parts are all identical with structure among the embodiment 1 in the present embodiment, and operation principle is also identical, no longer repeats at this.

In the drive unit of washing machine with electromagnetic clutch device of the present utility model, for axial float or the displacement that prevents wash shaft, can install a plurality of jump rings and other identical functions parts additional in the suitable position of wash shaft or dehydration axle sleeve; For the ease of installing and load-bearing, can install in the suitable position of wash shaft pad and other identical functions parts additional; For normal delivery and the installation of satisfying drive connection of the present invention, can a plurality of oiliness bearings and a plurality of ball bearing be set at different parts, as between wash shaft and dehydration axle sleeve, a plurality of oiliness bearings being set, between ring gear and dehydration axle sleeve, between mounting disc and the dehydration axle sleeve and between electric motor end cap and the wash shaft a plurality of ball bearings are set, more specifically, described ball bearing can be deep groove ball bearing.Preferably, between the ball bearing between electric motor end cap and the wash shaft and wash shaft, can be provided for playing the lining of oiliness bearing function.In order to prevent that washings from entering in deceleration input block and deceleration output block and the motor along wash shaft, dehydrating shaft cover and mounting disc, between wash shaft and dehydration axle sleeve, little water seal is set, between dehydration axle sleeve and mounting disc, large water seal is set.Preferably, in order to realize the damping noise abatement when working, between each build-up member, install the beam that plastic material or elastomeric material are prepared from additional, and under the condition that satisfies installation strength or correlation function, housing unit is adopted casting aluminium material, or adopt plastics to be prepared from ring gear.

Because each part such as above-described jump ring, pad, oiliness bearing, ball bearing, lining, large water seal, little water seal and damping noise abatement part is those skilled in the art's customary means, any change of therefore structurally making for above part all is interpreted as not possessing novelty with respect to this patent.

Although above the utility model has been done detailed description; but the utility model is not limited to this; those skilled in the art can make amendment according to principle of the present utility model; therefore, all various modifications of carrying out according to principle of the present utility model all should be understood to fall into protection domain of the present utility model.

Claims (10)

1. the electromagnetic clutch device of a drive unit of washing machine is characterized in that, comprising:

Be packed in the interior solenoid mechanism of housing unit of drive unit of washing machine;

Be arranged at the in-house clutch gear ring of solenoid;

Wherein, described clutch gear ring is sleeved on the ring gear in the drive unit of washing machine movably;

Wherein, described clutch gear ring has along the first spacing position of moving on the ring gear and the second spacing position of moving down along ring gear;

Wherein, described clutch gear ring separates with bogie latch in the drive unit of washing machine in the described first spacing position;

Wherein, the bogie latch engagement of described clutch gear ring in the described second spacing position and drive unit of washing machine.

2. the electromagnetic clutch device of drive unit of washing machine according to claim 1 is characterized in that, described solenoid mechanism comprises:

Be packed in the coil retainer in the described housing unit;

Be installed on the coil holder in the coil retainer;

Be set around the solenoid on the coil holder.

3. the electromagnetic clutch device of drive unit of washing machine according to claim 1 and 2 is characterized in that, described clutch gear ring comprises:

The upper end connecting portion;

The lower end connecting portion that is connected with the upper end connecting portion;

Wherein, described upper end connecting portion inwall is provided with the internal spline that is slidingly connected with described ring gear, and its outer wall is installed with the magnetic conduction iron hoop;

Wherein, the bottom of described lower end connecting portion is provided with the teeth groove that is connected with a joggle with described latch.

4. the electromagnetic clutch device of drive unit of washing machine according to claim 3 is characterized in that, described upper end connecting portion and described lower end connecting portion be formed in one structure or split type fixing mechanism.

5. the electromagnetic clutch device of drive unit of washing machine according to claim 2 is characterized in that, described drive unit of washing machine comprises:

Be used to provide the rotary body of rotational kinetic energy;

Be installed in the deceleration device of described rotary body inside;

The wash shaft and the dehydration axle sleeve that connect described deceleration device;

Wherein, the dehydration axle sleeve is sheathed on the wash shaft outside and is rotationally connected with it.

6. the electromagnetic clutch device of drive unit of washing machine according to claim 5 is characterized in that, described rotary body comprises:

Bogie with described latch;

Be positioned at the cavity within the described bogie.

7. the electromagnetic clutch device of drive unit of washing machine according to claim 6 is characterized in that, described deceleration device is installed in the described cavity, and comprises:

The eccentric bushing that connects described bogie and rotate around the bogie axis;

Be set in the spur gear that described eccentric bushing is outside and be rotationally connected with it;

Connect the ring gear of described dehydration axle sleeve or wash shaft, be mounted with described spur gear in it;

Described spur gear is connected to the jockey of described wash shaft or dehydration axle sleeve.

8. the electromagnetic clutch device of drive unit of washing machine according to claim 7 is characterized in that, described jockey is slide block structure, and it comprises:

Pass the crosshead shoe of described wash shaft or dehydration axle sleeve, the upper end of its lower surface and described spur gear is slidingly connected;

With the positioning sliding block that the upper end of crosshead shoe is slidingly connected, its center and described wash shaft or dehydration axle sleeve are connected.

9. the electromagnetic clutch device of drive unit of washing machine according to claim 7 is characterized in that, described jockey comprises the terminal pad body, and described terminal pad body and described spur gear are that axis hole pin plug-in is slidingly connected.

10. according to claim 8 or the electromagnetic clutch device of 9 described drive unit of washing machine, it is characterized in that, described eccentric bushing comprises:

Be connected with described bogie and around the second body of described bogie axis rotation;

With the first body that the second body upper end is fixedly connected with, it rotates around described bogie eccentric axis;

Wherein, described spur gear rotates the outside that is installed on described the first body.

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