CN210066252U

CN210066252U - Electromagnetic clutch integrated motor

Info

Publication number: CN210066252U
Application number: CN201920569431.8U
Authority: CN
Inventors: 陈祥; 叶乾杰; 杜荣法; 王延刚
Original assignee: Wolong Electric (ji'nan) Motor Co Ltd; Wolong Electric Drive Group Co Ltd
Current assignee: Wolong Electric (ji'nan) Motor Co Ltd; Wolong Electric Drive Group Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-02-14
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses an electromagnetic clutch integral type motor relates to the washing machine field. The traditional clutch motor has the advantages of large number of parts, low integration level among all the parts, poor reliability and high manufacturing cost. The utility model discloses a motor element, separation and reunion subassembly and drive assembly, drive assembly includes the input shaft cover, the speed reduction drive system, dehydration axle and washing axle, separation and reunion subassembly includes the circular telegram coil, go up the separation and reunion cover, separation and reunion cover and the separation and reunion resetting means who takes reset spring down, separation and reunion cover shifts up under the circular telegram coil circular telegram back separation and reunion resetting means drives, separation and reunion cover passes through the terminal surface tooth meshing with last separation and reunion cover down, reset spring compresses, during the circular telegram coil outage, under reset spring's resilience, separation and reunion cover moves down and separates from each other with. The electromagnetic clutch function is conveniently realized, a belt pulley device commonly used by a common motor-clutch and a brake mechanism of a conventional speed reduction clutch are omitted, the integration degree is high, and the design and manufacturing cost of the whole machine can be effectively reduced.

Description

Electromagnetic clutch integrated motor

Technical Field

The utility model relates to a washing machine and motor field especially relate to an electromagnetic clutch integral type motor.

Background

At present, with the improvement of living standard of people, the washing machine is popularized and used. When the washing machine washes and dehydrates clothes, the traditional impeller washing machine mainly utilizes a motor to drive a speed reducer and a clutch component, so as to drive an impeller to rotate to wash the clothes and drive a dehydration barrel to rotate to dehydrate the clothes. The power and transmission system of the existing washing machine generally adopts a traditional split structure of a motor, a belt pulley and a speed reduction clutch, so that the occupied space is large and the structure is not compact; and the clutch unit among the traditional speed reduction clutch is mostly square wire spring, ratchet, pawl, brake lever etc. chooses this kind of clutch unit that the cover has square wire spring for use, and the life-span is short, the durability is poor, separation and reunion work is unreliable, if through long-time washing, among the dehydration process, often because of reasons such as the too big square wire spring rupture that causes of clutch starting torque, all can influence washing machine's life.

In the continuous development of the technology, new speed reduction clutches and motor-reducer-clutch integrated motors are also developed. Most of the technical innovations are limited to specific modifications on the traditional speed reduction clutch, such as the statement in CN 104878564B, the inventor only makes innovations on the clutch part and the clutch operating part, and although partial innovations are made in the form of an integrated motor, except for the clutch part, only the simple function superposition of the motor and the speed reduction clutch is made, and no substantial improvement is made on the speed reduction transmission chain of the important part; as stated in CN 104631031B, the creativity of the pen worker on the clutch part is high, but the application of the split bearing is firstly high in cost, secondly, the sliding of the inner ring of the split bearing can cause the failure probability of the bearing to increase, and the pen worker does not make outstanding improvement on the traditional planetary gear transmission; the planetary gear transmission has the advantages of the planetary gear transmission, the transmission is stable, the traditional ratio is large, but the cost of the whole machine is inevitably increased due to the combination of the sun wheel and the brake wheel; for example, in CN 107287829 a, the brake assembly includes a brake disc and other devices, so the number of parts is large and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model and the technical task who provides are perfect and improve prior art scheme, provide an electromagnetic clutch integral type motor to promote integration level, reduce cost is the purpose. Therefore, the utility model adopts the following technical scheme.

An electromagnetic clutch integrated motor comprises a motor component, a clutch component, a transmission component and a shell, the motor component comprises a rotor and a stator which are provided with an input shaft, the transmission component comprises an input shaft sleeve, a speed reduction transmission system, a dewatering shaft and a washing shaft, the clutch component is arranged in the inner cavity of the motor component and comprises an electrified coil arranged on the stator, an upper clutch sleeve, a lower clutch sleeve and a clutch reset device, the lower clutch sleeve can be connected on the input shaft in a vertically sliding way, the upper end of the input shaft is meshed with the speed reduction transmission system, the upper clutch sleeve is tightly matched with the input shaft sleeve, the input shaft sleeve is rotatably connected with the outer sleeve to the input shaft, the input shaft sleeve is connected with a speed reduction transmission system, the speed reduction transmission system is connected with a washing shaft and a dewatering shaft, and the dewatering shaft is rotatably connected with the washing shaft in a sleeved mode; separation and reunion resetting means's lower extreme and lower separation and reunion cover be connected, the upper end is connected and is fixed in stator cavity up end, the last elasticity piece that resets that is equipped with of separation and reunion resetting means, separation and reunion cover shifts up under messenger's separation and reunion resetting means drives after the circular telegram coil circular telegram, separation and reunion cover passes through the terminal surface tooth meshing with last separation and reunion cover down, at this moment, the compression of elasticity piece that resets, when the circular telegram coil outage, under the resilience force of elasticity piece that resets, separation and reunion cover moves down and breaks away from.

When the washing machine is in a washing state, the electrified coil is not electrified, the power of the rotor is transmitted to the input shaft through the spline, the input shaft passes through the speed reduction transmission system, the power is output after being reduced from high-speed operation to low-speed operation and is transmitted to the washing shaft, and at the moment, the dewatering shaft does not move because the input shaft sleeve does not operate;

during the dehydration state, circular telegram coil circular telegram, separation and reunion cover shifts up under driving through separation and reunion resetting means, goes up separation and reunion cover terminal surface tooth and the meshing of separation and reunion cover terminal surface tooth down, and the power transmission of rotor divides two parts: 1. the power of the rotor is transmitted to the lower clutch sleeve through the input shaft, the lower clutch sleeve is transmitted to the input shaft sleeve through the engagement with the upper clutch sleeve to drive the whole speed reduction transmission system to run at a high speed, and meanwhile, the dehydration shaft is fixedly connected with the speed reduction transmission system, so that the dehydration shaft rotates in a unidirectional high speed under a dehydration state; 2. the power of the rotor is transmitted to the washing shaft through the input shaft and rotates at high speed in the same direction as the dewatering shaft;

the control mode of the direct current brushless motor is changed, when the dehydration is about to be finished, the rotating speed of the rotor is reduced, the upper clutch sleeve and the lower clutch sleeve are separated at the same time, and the dehydration barrel is braked by depending on the load;

the common belt pulley device of a common motor-clutch and the brake mechanism of a conventional speed reduction clutch are omitted, the operation and control performance is good, the reliability and the transmission efficiency are high, the integration degree is high, the overall structure is more compact, and the design and manufacturing cost of the whole machine can be effectively reduced.

As a further improvement and supplement to the above technical solution, the present invention further comprises the following additional technical features.

As a preferable technical means:

the clutch reset device comprises a guide shaft, a shifting plate and the elastic reset piece, when the electrified coil is electrified, the shifting plate is sucked to move upwards, one end of the shifting plate is inserted into a lateral annular groove formed in the outer side surface of the lower clutch sleeve, the other end of the shifting plate is provided with a vertical through hole, the guide shaft is vertically arranged in the through hole, the guide shaft is in sliding fit with the through hole, and the upper end of the guide shaft is connected and fixed to the upper end surface of the inner cavity of the stator; the elastic reset piece is a reset spring, is sleeved on the guide shaft and is positioned between the shifting plate and the upper end surface of the stator inner cavity. The plate is attracted by the electrified coil to move upwards to drive the lower clutch sleeve to move upwards to realize the engagement with the end surface of the upper clutch sleeve, and during power failure, under the resilience action of the reset spring, the plate moves downwards to enable the lower clutch sleeve to be disengaged from the engagement with the upper clutch sleeve, so that the clutch function is conveniently realized.

The upper end of the guide shaft is screwed in a threaded hole on the upper end surface of the stator inner cavity through threads and is locked through a locking nut. The connection between the guide shaft and the stator is fixed, the connection is firm, and the disassembly and the maintenance are convenient.

The lower end of the reset spring is fixed on the shifting plate, and the upper end of the reset spring is not fixed. For the condition that both ends are fixed, the precision requirement that can effectively reduce separation and reunion resetting means is fixed to one end, neither is fixed for both ends, and after the outage, reset spring can not reciprocate to cluster in upper and lower surplus space.

And the lower clutch sleeve and the input shaft form sliding fit through splines. Circumferential rotation can be effectively prevented from occurring.

The upper clutch sleeve is tightly matched with the input shaft sleeve through a spline. Through spline tight fit, go up the transmission of power between separation and reunion cover and the input shaft cover reliable and stable, structural stability is high, can not take place the circumference slip.

The input shaft is connected with the rotor through a spline and is fastened through a locknut. The transmission of force between the rotor and the input shaft is stable and reliable, the structural stability is high, and the high-speed rotation can be adapted.

The reduction transmission system is a two-stage reduction transmission chain and comprises a duplicate gear, the duplicate gear comprises a small gear and a large gear, the small gear is located on the upper portion of the duplicate gear, the large gear is located on the lower portion of the duplicate gear and larger than the small gear in diameter, the small gear is meshed with an output gear located on the lower portion of a washing shaft, the output gear is connected with the washing shaft through a spline, the large gear is meshed with shaft end teeth on the upper portion of an input shaft, and a mandrel of the duplicate gear is connected with a dewatering shaft and the input shaft sleeve through an. The power transmission connection of the input shaft sleeve, the speed reduction transmission system and the washing shaft is realized, and a secondary speed reduction transmission structure is effectively realized.

The upper end of the input shaft sleeve is provided with a tray matched with the lower star frame, the tray is connected with the lower star frame in a riveting manner, and the lower star frame is tightly matched with the mandrel; the upper planet carrier and the dewatering shaft are of an integrated structure. The pressure riveting connection, firm in connection prevents vertical breaking away from, goes up the body structure of planet frame and dehydration axle, makes the sound construction reliable, can bear the great torque when the high-speed start-up of dehydration axle is rotatory.

The spline at the connection part of the rotor and the input shaft is in integrated plastic package; the upper clutch sleeve and the lower clutch sleeve are both formed by one-time injection molding. The integrated plastic package and one-time injection molding have firm structure and convenient manufacture.

The input shaft sleeve is rotatably connected with the input shaft through an oil bearing; the dewatering shaft and the washing shaft are rotatably connected through an oil bearing. Simple structure, low cost and good lubrication.

And the upper end and the lower end of the input shaft sleeve and the upper end and the lower end of the dewatering shaft are both provided with bearing shoulders, and the bearing shoulders and the oil-retaining bearing are in interference fit. The embedded assembly of the oil-retaining bearing is convenient to realize.

The casing include the casing and with the lower casing of the lower extreme of last casing being connected, the intracavity top of last casing be equipped with the bearing room, first antifriction bearing is equipped with to the bearing room internal pressure, the lower extreme inboard of lower casing be connected with the upper end outside interference fit of stator, the upper end centre bore of stator in the pressure equipment second antifriction bearing, dehydration hub connection in first antifriction bearing's centre bore and upwards pass the casing, input hub connection in second antifriction bearing's centre bore. The shell structure can effectively protect internal parts, rotatable connection between the shell and the transmission assembly is achieved through the first rolling bearing, rotatable connection between the stator and the transmission assembly is achieved through the second rolling bearing, and reliability is good.

The connection part of the upper shell and the lower shell is provided with a connection structure which is detachably connected with the relevant structure of the washing machine. Conveniently realize being connected fixedly with washing machine, convenient to detach maintains.

The upper end of the upper shell on the dewatering shaft is provided with a dewatering shaft seal, and the upper end of the dewatering shaft is provided with a flange plate to be connected with the inner drum of the washing machine; the upper part of the washing shaft is positioned above the flange plate and is provided with a washing shaft seal, and the upper end of the washing shaft is connected with a wave wheel of the washing machine. The connection with the inner barrel of the washing machine and the impeller of the washing machine is convenient to realize, and the connection sealing performance is good.

The clutch reset devices are 2-4 in number and are uniformly distributed in a surrounding manner. The balance is good when the clutch acts.

Has the advantages that: the common belt pulley device of a common motor-clutch and the brake mechanism of a conventional speed reduction clutch are omitted, the operation and control performance is good, the reliability and the transmission efficiency are high, the integration degree is high, the overall structure is more compact, and the design and manufacturing cost of the whole machine can be effectively reduced.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a schematic diagram of the position of the electrical coil on the stator.

In the figure: 1-locknut; 2-an input shaft; 3-a rotor; 4-a stator; 5-a second rolling bearing; 6-lower shell; 7-an upper shell; 8-a first rolling bearing; 9-dehydration shaft sealing; 10-a flange plate; 11-washing the shaft seal; 12-oil-impregnated bearings; 13-washing shaft, 14-dewatering shaft and 15-duplicate gear; 16-input shaft sleeve; 17-a lock nut; 18-a guide shaft; 19-a return spring; 20-pulling a plate; 21-upper clutch sleeve; 22-lower clutch sleeve; 23-lower planet carrier; 24-an output gear; 25-a mandrel; 26-an electrified coil; 1401-upper planet carrier.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, an electromagnetic clutch integrated motor comprises a motor assembly, a clutch assembly, a transmission assembly and a housing, wherein the motor assembly comprises a rotor 3 and a stator 4 which are provided with an input shaft 2, the transmission assembly comprises an input shaft sleeve 16, a speed reduction transmission system, a dewatering shaft 14 and a washing shaft 13, the clutch assembly is arranged in an inner cavity of the motor assembly, the washing machine comprises an electrified coil 26, an upper clutch sleeve 21, a lower clutch sleeve 22 and a clutch resetting device which are arranged on a stator 4, wherein the lower clutch sleeve 22 can be connected to an input shaft 2 in a vertically sliding manner, the upper end of the input shaft 2 is meshed with a speed reduction transmission system, the upper clutch sleeve 21 is tightly matched with an input shaft sleeve 16, the input shaft sleeve 16 is rotatably connected with the input shaft 2 in a sleeved manner, the input shaft sleeve 16 is connected with the speed reduction transmission system, the speed reduction transmission system is connected with a washing shaft 13 and a dewatering shaft 14, and the dewatering shaft 14 is rotatably connected with the washing shaft 13 in a sleeved manner; separation and reunion resetting means's lower extreme is connected with lower separation and reunion cover 22, the upper end is connected and is fixed in 4 inner chamber up end of stator, be equipped with the elasticity piece that resets on the separation and reunion resetting means, separation and reunion cover 22 moves upward under messenger's separation and reunion resetting means drives after the circular telegram coil 26 circular telegram, separation and reunion cover 22 passes through the terminal surface tooth meshing with last separation and reunion cover 21 down, at this moment, the compression of elasticity piece that resets, when circular telegram coil 26 outage, under the resilience force of elasticity piece that resets, separation and reunion cover 22 moves down and breaks away from and the.

In order to realize the clutch function, the clutch resetting device comprises a guide shaft 18, a shifting plate 20 and an elastic resetting piece, when an electrified coil 26 is electrified, the shifting plate 20 is sucked and moved upwards, one end of the shifting plate 20 is inserted into a lateral annular groove formed in the outer side surface of a lower clutch sleeve 22, a vertical through hole is formed in the other end of the shifting plate 20, the guide shaft 18 is vertically arranged in the through hole, the guide shaft 18 is in sliding fit with the through hole, and the upper end of the guide shaft 18 is fixedly connected to the upper end surface of an inner cavity of the stator 4; the elastic reset element is a reset spring 19 which is sleeved on the guide shaft 18 and is positioned between the shifting plate 20 and the upper end surface of the inner cavity of the stator 4. The plate 20 is attracted to move upwards through the electrified coil 26, the lower clutch sleeve 22 is driven to move upwards to realize the end surface meshing with the upper clutch sleeve 21, and the plate 20 moves downwards under the resilience action of the reset spring 19 during power failure, so that the lower clutch sleeve 22 is separated from the meshing with the upper clutch sleeve 21, and the clutch function is conveniently realized.

In order to realize the connection and fixation between the guide shaft 18 and the stator 4, the upper end of the guide shaft 18 is screwed in a threaded hole on the upper end surface of the inner cavity of the stator 4 through threads and is locked through a locking nut 17. The connection and fixation between the guide shaft 18 and the stator 4 are realized, the connection and fixation are firm, and the disassembly and the maintenance are convenient.

In order to make the return spring 19 have good stability, the lower end of the return spring 19 is fixed on the dial plate 20, and the upper end is not fixed. For the condition that both ends are fixed, the precision requirement that can effectively reduce separation and reunion resetting means is fixed to one end, neither is fixed for both ends, and after the outage, reset spring 19 can not reciprocate to cluster in upper and lower surplus space, and stability is good.

To prevent circumferential rotation, a slip fit is provided between the lower clutch sleeve 22 and the input shaft 2 by splines. Circumferential rotation can be effectively prevented from occurring.

In order to stably and reliably transmit force, the upper clutch sleeve 21 is tightly matched with the input shaft sleeve 16 through splines. Through spline tight fit, the transmission of power between upper clutch sleeve 21 and input shaft sleeve 16 is reliable and stable, and structural stability is high, can not take place the circumference slip.

In order to realize structural stability at the time of high-speed rotation, the input shaft 2 is connected with the rotor 3 through a spline and fastened by the locknut 1. The transmission of force between the rotor 3 and the input shaft 2 is stable and reliable, the structural stability is high, and the high-speed rotation can be adapted.

In order to effectively realize speed reduction transmission, the speed reduction transmission system is a two-stage speed reduction transmission chain and comprises a duplicate gear 15, wherein the duplicate gear 15 comprises a small gear positioned at the upper part and a large gear positioned at the lower part and having a diameter larger than that of the small gear, the small gear is meshed with an output gear 24 positioned at the lower part of a washing shaft 13, the output gear 24 is connected with the washing shaft 13 through a spline, the large gear is meshed with shaft end teeth at the upper part of an input shaft 2, and a mandrel 25 of the duplicate gear 15 is respectively connected with a dewatering shaft 14 and an input shaft sleeve 16 through an upper planet carrier 1401. The power transmission connection of the input shaft sleeve 16, the speed reduction transmission system and the washing shaft 13 is realized, and a two-stage speed reduction transmission structure is effectively realized.

In order to adapt to larger torque in high-speed rotation, the upper end of the input shaft sleeve 16 is provided with a tray matched with the lower star frame 23, the tray is connected with the lower star frame 23 in a press riveting mode, and the lower star frame 23 is tightly matched with the mandrel 25; the upper planetary frame 1401 and the dewatering shaft 14 are integrated. The riveting connection is firm in connection, vertical separation and lateral throwing are prevented, and the integral structure of the upper planet frame 1401 and the dewatering shaft 14 enables the structure to be firm and reliable and can bear large torque when the dewatering shaft 14 is started to rotate at high speed.

In order to obtain better cost performance, a spline at the joint of the rotor 3 and the input shaft 2 is in integrated plastic package; the upper clutch sleeve 21 and the lower clutch sleeve 22 are both formed by one-time injection molding. The integrated plastic package and one-time injection molding have the advantages of firm structure, convenient manufacture and high cost performance.

In order to realize stable and reliable low-cost rotary connection, the input shaft sleeve 16 and the input shaft 2 are rotatably connected through an oil-retaining bearing 12; the dewatering shaft 14 and the washing shaft 13 are rotatably connected through an oil bearing 12. Simple structure, stability and reliability, low cost and good lubrication.

In order to realize the embedded installation of the oil-retaining bearing 12, bearing shoulders are arranged at the upper end and the lower end of the input shaft sleeve 16 and the upper end and the lower end of the dewatering shaft 14, and the bearing shoulders are in interference fit with the oil-retaining bearing 12. The embedded installation of the oil-retaining bearing 12 is convenient to realize.

In order to protect the internal parts and realize the stable rotatable connection of the transmission assembly, the shell comprises an upper shell 7 and a lower shell 6 connected with the lower end of the upper shell 7, the top in the cavity of the upper shell 7 is provided with a bearing chamber, a first rolling bearing 8 is arranged in the bearing chamber in a pressing mode, the inner side of the lower end of the lower shell 6 is connected with the outer side of the upper end of a stator 4 in an interference fit mode, a second rolling bearing 5 is arranged in the central hole of the upper end of the stator 4 in a pressing mode, a dehydration shaft 14 is connected in the central hole of the first rolling bearing 8 and upwards penetrates through the upper shell 7, and an input shaft sleeve 16. The shell structure can effectively protect internal parts, the rotatable connection between the shell and the transmission assembly is realized through the first rolling bearing 8, the rotatable connection between the stator 4 and the transmission assembly is realized through the second rolling bearing 5, and the reliability is good.

In order to realize the fixed connection with the washing machine and facilitate the disassembly and maintenance, a connecting structure which is detachably connected with the relevant structure of the washing machine is arranged at the connecting part of the upper shell 7 and the lower shell 6. Conveniently realize being connected fixedly with washing machine, convenient to detach maintains.

In order to realize the connection with the impeller and the inner cylinder of the washing machine, a dewatering shaft seal 9 is arranged on the upper end of the upper shell 7 on the dewatering shaft 14, and a flange plate 10 is arranged on the upper end of the dewatering shaft 14 to be connected with the inner cylinder of the washing machine; the upper part of the washing shaft 13 is positioned above the flange plate 10 and is provided with a washing shaft seal 11, and the upper end of the washing shaft 13 is connected with a wave wheel of the washing machine. The connection with the inner barrel of the washing machine and the impeller of the washing machine is convenient to realize, and the connection sealing performance is good.

In the washing state, the energizing coil 26 is not energized, the power of the rotor 3 is transmitted to the input shaft 2 through the spline, the power of the input shaft 2 is converted into low-speed operation after two-stage speed reduction through the speed reduction transmission system, and is output and transmitted to the washing shaft 24, and at this time, the dewatering shaft 14 does not operate because the input shaft sleeve 16 does not operate.

During the dehydration state, circular telegram coil 26 circular telegram moves up through separation and reunion cover 22 under the separation and reunion resetting means drives, goes up separation and reunion cover 21 terminal surface tooth and the meshing of separation and reunion cover terminal surface tooth down, and the power transmission of rotor 3 divides two parts: 1. the power of the rotor 3 is transmitted to the lower clutch sleeve 22 through the input shaft 2, the lower clutch sleeve 22 is transmitted to the input shaft sleeve 16 through the engagement with the upper clutch sleeve 21, the whole speed reduction transmission system is driven to run at a high speed, and meanwhile, the dehydration shaft 14 is fixedly connected with the speed reduction transmission system, so that the dehydration shaft 14 rotates at a unidirectional high speed in a dehydration state; 2. the power of the rotor 3 is transmitted to the washing shaft 24 through the input shaft 2 and rotates with the dewatering shaft 14 at the same direction and high speed;

the control mode of the direct current brushless motor is changed, when the dehydration is about to be completed, the rotating speed of the rotor 3 is reduced, the upper clutch sleeve 21 is separated from the lower clutch sleeve 22, and the dehydration barrel is braked by depending on the load.

In this example, 2 sets of clutch resetting devices are adopted and are symmetrically arranged.

The electromagnetic clutch integrated motor shown in fig. 1-2 is a specific embodiment of the present invention, and embodies the outstanding substantial features and significant improvements of the present invention, and can be modified in the aspects of shape, structure, etc. according to the practical needs of use, all within the scope of protection of the present solution.

Claims

1. The utility model provides an electromagnetic clutch integral type motor, includes motor element, clutch module, drive assembly and casing, motor element including rotor (3), stator (4) of establishing input shaft (2), drive assembly include input shaft cover (16), speed reduction drive system, dehydration axle (14), washing axle (13), its characterized in that: the clutch assembly is arranged in an inner cavity of the motor assembly and comprises an electrified coil (26), an upper clutch sleeve (21), a lower clutch sleeve (22) and a clutch resetting device, wherein the electrified coil (26), the upper clutch sleeve (21), the lower clutch sleeve (22) and the clutch resetting device are arranged on a stator (4), the lower clutch sleeve (22) can be connected to an input shaft (2) in a vertically sliding mode, the upper end of the input shaft (2) is in meshed connection with a speed reduction transmission system, the upper clutch sleeve (21) is tightly matched with an input shaft sleeve (16), the input shaft sleeve (16) is rotatably connected with and sleeved on the input shaft (2), the input shaft sleeve (16) is connected with the speed reduction transmission system, the speed reduction transmission system is connected with a washing shaft (13) and a dewatering shaft (14), and the dewatering shaft (14) is rotatably connected with and; separation and reunion resetting means's lower extreme and lower separation and reunion cover (22) be connected, the upper end is connected and is fixed in stator (4) inner chamber up end, be equipped with the elasticity piece that resets on the separation and reunion resetting means, make separation and reunion resetting means drive down separation and reunion cover (22) after circular telegram coil (26) circular telegram and move up, separation and reunion cover (22) and last separation and reunion cover (21) pass through the terminal surface tooth meshing down, at this moment, the compression of elasticity piece that resets, when circular telegram coil (26) cut off the power supply, under the resilience force of elasticity piece that resets, separation and reunion cover (22) move down and break away from the terminal surface.

2. An electromagnetic clutch integrated motor according to claim 1, wherein: the clutch resetting device comprises a guide shaft (18), a shifting plate (20) and the elastic resetting piece, when an electrified coil (26) is electrified, the shifting plate (20) is sucked and moved upwards, one end of the shifting plate (20) is inserted into a lateral annular groove formed in the outer side surface of the lower clutch sleeve (22), a vertical through hole is formed in the other end of the shifting plate, the guide shaft (18) is vertically arranged in the through hole, the guide shaft (18) is in sliding fit with the through hole, and the upper end of the guide shaft (18) is fixedly connected to the upper end surface of the inner cavity of the stator (4); the elastic reset piece is a reset spring (19) which is sleeved on the guide shaft (18) and is positioned between the shifting plate (20) and the upper end surface of the inner cavity of the stator (4).

3. An electromagnetic clutch integrated motor according to claim 2, wherein: the upper end of the guide shaft (18) is screwed in a threaded hole on the upper end surface of the inner cavity of the stator (4) through threads and is locked through a locking nut (17).

4. An electromagnetic clutch integrated motor according to claim 2, wherein: the lower end of the return spring (19) is fixed on the shifting plate (20), and the upper end is not fixed.

5. An electromagnetic clutch integrated motor according to claim 1, wherein: the lower clutch sleeve (22) and the input shaft (2) form sliding fit through splines.

6. An electromagnetic clutch integrated motor according to claim 1, wherein: the upper clutch sleeve (21) is tightly matched with the input shaft sleeve (16) through a spline.

7. An electromagnetic clutch integrated motor according to claim 1, wherein: the input shaft (2) is connected with the rotor (3) through a spline and is fastened through the locknut (1).

8. An electromagnetic clutch integrated motor according to claim 1, wherein: the reduction transmission system is a two-stage reduction transmission chain and comprises a duplicate gear (15), the duplicate gear (15) comprises a small gear located at the upper part and a large gear located at the lower part and having a diameter larger than that of the small gear, the small gear is meshed with an output gear (24) at the lower part of a washing shaft (13), the output gear (24) is connected with the washing shaft (13) through a spline, the large gear is meshed with shaft end teeth at the upper part of an input shaft (2), and a mandrel (25) of the duplicate gear (15) is respectively connected with a dewatering shaft (14) and an input shaft sleeve (16) through an upper planet carrier (1401) and a lower planet carrier (23).

9. An electromagnetic clutch integrated motor in accordance with claim 8, wherein: the upper end of the input shaft sleeve (16) is provided with a tray matched with the lower star frame (23), the tray is connected with the lower star frame (23) in a riveting mode, and the lower star frame (23) is tightly matched with the mandrel (25); the upper planet carrier (1401) and the dewatering shaft (14) are of an integrated structure.

10. An electromagnetic clutch integrated motor according to claim 1, wherein: the spline at the joint of the rotor (3) and the input shaft (2) is in integrated plastic package; the upper clutch sleeve (21) and the lower clutch sleeve (22) are both formed by one-time injection molding.

11. An electromagnetic clutch integrated motor according to claim 1, wherein: the input shaft sleeve (16) is rotatably connected with the input shaft (2) through an oil-retaining bearing (12); the dewatering shaft (14) and the washing shaft (13) are rotatably connected through an oil bearing (12).

12. An electromagnetic clutch integrated motor in accordance with claim 11, wherein: and bearing shoulders are arranged at the upper end and the lower end of the input shaft sleeve (16) and the upper end and the lower end of the dewatering shaft (14), and the bearing shoulders are in interference fit with the oil-retaining bearing (12).

13. An electromagnetic clutch integrated motor according to claim 1, wherein: the casing include casing (7) and lower casing (6) of being connected with the lower extreme of last casing (7), the intracavity top of last casing (7) be equipped with the bearing room, first antifriction bearing (8) are equipped with to the indoor pressure of bearing, the lower extreme inboard of lower casing (6) be connected with the upper end outside interference fit of stator (4), the upper end centre bore of stator (4) in the pressure equipment second antifriction bearing (5), dehydration axle (14) connect in the centre bore of first antifriction bearing (8) and upwards pass casing (7), input axle sleeve (16) connect in the centre bore of second antifriction bearing (5).

14. An electromagnetic clutch integrated motor in accordance with claim 13, wherein: the connecting part of the upper shell (7) and the lower shell (6) is provided with a connecting structure which is detachably connected with the relevant structure of the washing machine.

15. An electromagnetic clutch integrated motor in accordance with claim 13, wherein: a dewatering shaft seal (9) is arranged on the upper end of the upper shell (7) on the dewatering shaft (14), and a flange plate (10) is arranged on the upper end of the dewatering shaft (14) to be connected with the inner drum of the washing machine; the upper part of the washing shaft (13) is positioned above the flange plate (10) and is provided with a washing shaft seal (11), and the upper end of the washing shaft (13) is connected with a wave wheel of the washing machine.

16. An electromagnetic clutch integrated motor according to claim 2, wherein: the clutch reset devices are 2-4 in number and are uniformly distributed in a surrounding manner.