CN218910862U - Washing machine with automatic clutch between pulsator and inner tub - Google Patents

Abstract

The utility model discloses a washing machine with an automatic clutch between a pulsator and an inner barrel, which belongs to the technical field of washing machines and comprises an outer barrel, an inner barrel, a motor and a pulsator, wherein the inner barrel is positioned in the outer barrel and is provided with an inner barrel spline; the impeller is provided with impeller splines; a movable shaft is connected to the power output shaft of the motor in a driving way, penetrates through the outer barrel, stretches into the inner barrel and is connected with the impeller in a driving way; the movable shaft automatically moves axially on the power output shaft of the motor and drives the impeller spline and the inner barrel spline to separate from or mesh with each other when moving axially. The washing and drying can be realized by utilizing one motor, so that the integral structure of the washing machine is simplified, the production cost is reduced, the volume is reduced, portability of the washing machine is facilitated, and the function switching between the washing and drying can be realized by utilizing the automatic axial movement between the movable shaft and the pulsator, so that the operation of a user on the washing and drying is simplified, the user can conveniently wash and dry the clothes, and the use experience of the user is improved.

Description

Washing machine with automatic clutch between pulsator and inner tub

Technical Field

The utility model relates to the technical field of washing machines, in particular to a washing machine with an automatic clutch between a pulsator and an inner barrel.

Background

Chinese patent number 2022107368822 discloses an inner and outer tub assembly of a washing machine and the washing machine, which comprises an outer tub, an inner tub, a clutch bracket and a pulsator, wherein the outer tub penetrates through an output shaft of a motor to be connected with a shell of the motor; the inner barrel is arranged in the outer barrel, and the bottom of the inner barrel is movably connected with the output shaft of the motor; the clutch bracket is arranged in the inner barrel, moves axially along the output shaft of the motor and is used for being clamped with the bottom of the inner barrel; the impeller is arranged in the inner barrel and connected with the output shaft of the motor, and the impeller is connected with the side surface of the clutch bracket, which is away from the inner barrel. The inner barrel and the outer barrel of the washing machine are provided with water when washing, only the pulsator and the clutch support rotate, no water exists between the inner barrel and the outer barrel during dehydration, the pulsator is tightly held with the inner barrel through the clutch, and dehydration is realized together, but in the actual use process, because the dehydration can generate larger vibration, the clutch support can generate a vertical jumping phenomenon during dehydration, the clutch support cannot be well clamped with the bottom of the inner barrel only by the dead weight of the clutch support, and the pulsator and the inner barrel cannot rotate together. Therefore, further improvements are needed.

Disclosure of Invention

The utility model aims to provide a washing machine with an automatic clutch between a pulsator and an inner tub, which overcomes the defects in the prior art.

The washing machine with the automatic clutch of the pulsator and the inner barrel designed according to the purpose comprises an outer barrel, an inner barrel, a motor and the pulsator, wherein the inner barrel is positioned in the outer barrel and is provided with an inner barrel spline; the impeller is positioned in the inner barrel and provided with an impeller spline; the motor is fixedly arranged on the outer barrel, a power output shaft of the motor is in driving connection with a movable shaft, and the movable shaft penetrates through the outer barrel, then stretches into the inner barrel and is in driving connection with the impeller; the movable shaft automatically moves axially on the power output shaft of the motor, and drives the impeller spline and the inner barrel spline to separate from or mesh with each other when moving axially.

A bracket is fixedly arranged on the outer barrel, and an electromagnetic coil is arranged on the bracket; the motor is fixedly arranged on the bracket, and a power output shaft of the motor extends into the electromagnetic coil; the lower end of the movable shaft extends into the electromagnetic coil and is in driving connection with the power output shaft of the motor, and the movable shaft automatically moves up and down on the power output shaft of the motor through whether the electromagnetic coil is electrified or not.

The movable shaft is also sleeved with a bearing, and the movable shaft is rotated on the outer barrel or the bracket through the bearing.

The inner barrel spline is arranged on the inner bottom surface of the inner barrel; the impeller spline is arranged on the bottom surface of the impeller; the impeller spline is separated from or meshed with the inner barrel spline when the movable shaft moves up and down.

The movable shaft is provided with an elastic piece in a positioning sleeve manner, one end of the elastic piece elastically acts on the inner barrel, and the other end of the elastic piece elastically acts on the movable shaft.

When the electromagnetic coil is not electrified, the movable shaft moves upwards through the elastic acting force of the elastic piece and drives the impeller to be far away from the inner bottom surface of the outer barrel; the pulsator spline is separated from the inner barrel spline when the pulsator is far away from the inner bottom surface of the outer barrel.

The electromagnetic coil generates magnetic attraction force when being electrified and drives the movable shaft to move downwards against the elastic force of the elastic piece, and the movable shaft drives the pulsator to move towards the inner bottom surface of the outer barrel when moving downwards; the impeller spline is meshed with the inner barrel spline when the impeller moves towards the inner bottom surface of the outer barrel.

A connecting cavity is arranged at the center of the impeller, and assembly holes are respectively arranged at the centers of the connecting cavity, the outer barrel and the inner barrel; the assembly hole of the connecting cavity is also provided with a transverse assembly part; the upper end of the movable shaft passes through the assembly hole and is provided with a transverse driving piece and a fixing piece; the lateral driving member is fitted to the lateral fitting portion via the fixing member.

The connecting cavity is also provided with a pulsator cover, and the pulsator cover is provided with a plurality of groove parts; a plurality of convex ribs are arranged on the connecting cavity; the impeller cover is assembled and disassembled on the connecting cavity and is connected with the convex rib in a matched mode through the groove part.

The upper end of the outer barrel is provided with an upper opening, and the upper opening is fixedly provided with a split ring which is buckled with a barrel cover for disassembly and assembly.

A separation plate is arranged in the outer barrel, and an upper washing cavity and a lower assembly cavity are separated by the separation plate; the inner barrel is positioned in the upper washing cavity; the motor is positioned in the lower assembly cavity; the lower end of the outer barrel is also provided with a lower opening, and a base is fixedly arranged on the lower opening.

The inner wall and/or the bottom wall of the inner barrel are provided with a plurality of through holes; the inner wall and/or the bottom wall of the inner barrel are/is provided with a plurality of protruding ribs.

According to the utility model, through the improvement of the structure, the inner barrel spline and the impeller spline are respectively arranged on the inner barrel and the impeller, meanwhile, the movable shaft capable of automatically moving axially is connected to the power output shaft of the motor in a driving way, and the movable shaft can drive the impeller to move along the axial direction when moving axially, so that the impeller spline can be separated from or meshed with the inner barrel spline; when impeller spline and interior bucket spline are kept away from each other, the motor only drives the impeller and rotates to accomplish the laundry operation, when impeller spline and interior bucket spline intermesh, the motor then can drive impeller and interior bucket simultaneously and rotate, in order to accomplish the dry clothing operation, not only utilize a motor to realize washing and dry clothing, thereby simplify washing machine's overall structure, reduce manufacturing cost, reduce the volume, be favorable to washing machine's portability, moreover utilize automatic axial activity between loose axle and the impeller can realize the function switching between washing and the dry clothing, thereby simplify the user and to the operation of washing and drying clothing, let the user can conveniently wash clothes and dry clothing, improve user's use experience.

Drawings

Fig. 1 is a schematic diagram of an assembly structure according to an embodiment of the utility model.

Fig. 2 is an exploded view of an embodiment of the present utility model.

FIG. 3 is a schematic view of another exploded view of an embodiment of the present utility model.

Fig. 4 is a schematic diagram of an exploded structure of the motor, the bracket, the electromagnetic coil, the movable shaft, and the elastic member.

Fig. 5 is another view exploded view of the motor, the bracket, the solenoid, the movable shaft, and the elastic member.

Fig. 6 is an exploded view of the pulsator and the pulsator cover.

Fig. 7 is another view exploded structure of the pulsator and the pulsator cover.

Fig. 8 is a schematic structural view of the inner tub.

Fig. 9 is a schematic diagram of an assembled sectional structure of the inner tub spline and the pulsator spline separated from each other.

FIG. 10 is a schematic view of an assembled cross-sectional structure of the inter-engagement of the inner barrel spline and the pulsator spline.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1 to 10, the washing machine with the pulsator and the inner tub automatically clutch comprises an outer tub 1, an inner tub 2, a motor 3 and a pulsator 4, and is characterized in that: the inner barrel 2 is positioned in the outer barrel 1 and is provided with an inner barrel spline 5; the impeller 4 is positioned in the inner barrel 2 and is provided with an impeller spline 6; the motor 3 is fixedly arranged on the outer barrel 1, a power output shaft of the motor is in driving connection with a movable shaft 7, and the movable shaft 7 penetrates through the outer barrel 1, stretches into the inner barrel 2 and is in driving connection with the pulsator 4; the movable shaft 7 automatically moves axially on the power output shaft of the motor 3, and drives the impeller spline 6 and the inner barrel spline 5 to separate from or mesh with each other when moving axially.

The embodiment is provided with an inner barrel spline 5 and a pulsator spline 6 respectively on an inner barrel 2 and a pulsator 4, and a movable shaft 7 capable of automatically moving axially is connected to a power output shaft of a motor 3 in a driving way, and the movable shaft 7 can drive the pulsator 4 to move along the axial direction when moving axially, so that the pulsator spline 6 and the inner barrel spline 5 can be separated or meshed with each other; when impeller spline 6 and interior bucket spline 5 leave each other, motor 3 only drives impeller 4 and rotates, in order to accomplish the laundry operation, when impeller spline 6 and interior bucket spline 5 intermesh, motor 3 then can drive impeller 4 and interior bucket 2 simultaneously and rotate, in order to accomplish the dry clothing operation, not only utilize a motor 3 can realize washing and dry clothing, thereby simplify washing machine's overall structure, and low in production cost, reduce the volume, be favorable to washing machine's portability, moreover utilize the automatic axial activity between loose axle 7 and the impeller 4 can realize the function switch between washing and the dry clothing, thereby simplify the user to washing and the operation of dry clothing, let the user can conveniently carry out washing and dry clothing, improve user's use experience.

Specifically, a bracket 8 is fixedly arranged on the outer barrel 1, and an electromagnetic coil 9 is arranged on the bracket 8; the motor 3 is fixedly arranged on the bracket 8, and the power output shaft of the motor extends into the electromagnetic coil 9; the lower end of the movable shaft 7 extends into the electromagnetic coil 9 and is in driving connection with the power output shaft of the motor 3, and the movable shaft is automatically moved up and down on the power output shaft of the motor 3 by whether the electromagnetic coil 9 is electrified or not.

In this embodiment, the movable shaft 7 is made of metal, and the lower end of the movable shaft is provided with a non-circular connecting hole, and the movable shaft is sleeved on the power output shaft of the motor 3 in a vertically movable manner through the non-circular connecting hole, so that the power output by the motor 3 can drive the movable shaft 7 to rotate, and meanwhile, the movable shaft 7 can also vertically move on the power output shaft of the motor 3.

The movable shaft 7 is also sleeved with a bearing 10, and is rotated on the outer barrel 1 or the bracket 8 through the bearing 10.

The movable shaft 7 of the embodiment can rotate on the outer barrel 1 through the bearing 10, so that the rotation stability of the movable shaft 7 is improved, and the problem that the movable shaft 7 shakes during rotation is avoided.

The inner barrel spline 5 is arranged on the inner bottom surface of the inner barrel 2; the impeller spline 6 is arranged on the bottom surface of the impeller 4; the pulsator spline 6 is separated from or engaged with the inner tub spline 5 when the movable shaft 7 moves up and down.

The movable shaft 7 is sleeved with an elastic piece 11 in a positioning way, one end of the elastic piece 11 elastically acts on the inner barrel 2, and the other end elastically acts on the movable shaft 7.

In this embodiment, the elastic member 11 is a compression spring, and is positioned on the movable shaft 7, and the upper and lower positions of the movable shaft 7 are respectively provided with positioning pieces, the upper and lower positioning pieces are respectively positioned and acted on the inner barrel 2 and the pulsator 4, and the elastic member 11 is positioned between the upper and lower positioning pieces and can always generate elastic force to act between the inner barrel 2 and the pulsator 4, so that the pulsator 4 always moves elastically in a direction far away from the inner bottom surface of the outer barrel 1.

As shown in fig. 9, when the electromagnetic coil 9 is not electrified, the movable shaft 7 moves upwards by the elastic force of the elastic member 11 and drives the pulsator 4 to be far away from the inner bottom surface of the outer tub 1; the pulsator spline 6 is separated from the inner tub spline 5 when the pulsator 4 is away from the inner bottom surface of the outer tub 1.

As shown in fig. 10, the electromagnetic coil 9 generates magnetic attraction force when being electrified, and drives the movable shaft 7 to move downwards against the elastic force of the elastic piece 11, and the movable shaft 7 drives the pulsator 4 to move towards the inner bottom surface of the outer barrel 1 when moving downwards; the pulsator spline 6 is engaged with the inner tub spline 5 when the pulsator 4 moves toward the inner bottom surface of the outer tub 1.

A connecting cavity 12 is arranged at the center of the impeller 4, and assembly holes 13 are respectively arranged at the centers of the connecting cavity 12, the outer barrel 1 and the inner barrel 2; the assembly hole 13 of the connecting cavity 12 is also provided with a transverse assembly part 14; the upper end of the movable shaft 7 passes through the assembly hole 13 and is provided with a transverse driving piece 15 and a fixing piece 16; the lateral driving member 15 is fitted to the lateral fitting portion 14 via a fixing member 16.

In this embodiment, after the upper end of the movable shaft 7 passes through the assembly hole 13 of the connection cavity 12, the movable shaft 7 can act on the transverse assembly portion 14 through the transverse driving member 15, and meanwhile, the fixing effect of the fixing member 16 is utilized, so that the transverse driving member 15 can be fixed on the transverse assembly portion 14, and the movable shaft 7 and the pulsator 4 can be fixed into a whole, and can move up and down and rotate simultaneously.

The connecting cavity 12 is also provided with a pulsator cover 17, and the pulsator cover 17 is provided with a plurality of groove parts 18; a plurality of ribs 19 are arranged on the connecting cavity 12; the pulsator cover 17 is attached to the connecting chamber 12 and is connected to the ribs 19 through grooves 18.

The design is not only convenient for the assembly and daily maintenance of the movable shaft 7 and the impeller 4, but also ensures the driving stability among the motor 3, the movable shaft 7 and the impeller 4 because the movable shaft 7 and the impeller 4 are disassembled and assembled after the impeller cover 17 is disassembled by a user.

The upper end of the outer barrel 1 is provided with an upper opening 20, the upper opening 20 is fixedly provided with a split ring 21, and a barrel cover 22 is assembled and disassembled through the split ring 21 in a buckling way. The user can store laundry into the inner tub 2 by the disassembly and assembly of the tub cover 22, or drain or inject the washing water or the washing water.

In order to effectively utilize the inner space of the outer tub 1, a partition plate 23 is provided in the outer tub 1, and an upper washing chamber 24 and a lower assembly chamber 25 are partitioned by the partition plate 23; the inner tub 2 is located in the upper washing chamber 24; the motor 3 is positioned in the lower assembly cavity 25; the lower end of the outer barrel 1 is also provided with a lower opening 26, and a base 27 is fixedly arranged on the lower opening 26.

The design can facilitate the assembly and daily maintenance of the inner barrel 2 and the motor 3.

The inner wall and/or the bottom wall of the inner barrel 2 are provided with a plurality of through holes 28; the inner wall and/or the bottom wall of the inner tub 2 are provided with a number of ribs 29.

In this embodiment, the inner wall and the bottom wall of the inner tub 2 are provided with a plurality of through holes 28 for draining and drying clothes. The inner wall of the inner tub 2 is provided with a plurality of ribs 29 to improve the cleanliness of the laundry.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a washing machine of automatic separation and reunion of impeller and interior bucket, includes outer bucket (1), interior bucket (2), motor (3) and impeller (4), its characterized in that: the inner barrel (2) is positioned in the outer barrel (1) and is provided with an inner barrel spline (5); the impeller (4) is positioned in the inner barrel (2) and is provided with an impeller spline (6); the motor (3) is fixedly arranged on the outer barrel (1), a power output shaft of the motor is in driving connection with a movable shaft (7), and the movable shaft (7) penetrates through the outer barrel (1) and then stretches into the inner barrel (2) to be in driving connection with the impeller (4); the movable shaft (7) automatically moves axially on the power output shaft of the motor (3), and drives the impeller spline (6) and the inner barrel spline (5) to separate from or mesh with each other when moving axially.

2. The washing machine with automatic clutch between pulsator and inner tub as claimed in claim 1, wherein: a bracket (8) is fixedly arranged on the outer barrel (1), and an electromagnetic coil (9) is arranged on the bracket (8); the motor (3) is fixedly arranged on the bracket (8), and the power output shaft of the motor extends into the electromagnetic coil (9); the lower end of the movable shaft (7) stretches into the electromagnetic coil (9) and is in driving connection with the power output shaft of the motor (3), and the movable shaft is automatically moved up and down on the power output shaft of the motor (3) through whether the electromagnetic coil (9) is electrified or not.

3. The washing machine with automatic clutch of pulsator and inner tub as claimed in claim 2, wherein: the movable shaft (7) is also sleeved with a bearing (10), and the movable shaft is rotated on the outer barrel (1) or the bracket (8) through the bearing (10).

4. The washing machine with automatic clutch of pulsator and inner tub as claimed in claim 2, wherein: the inner barrel spline (5) is arranged on the inner bottom surface of the inner barrel (2); the impeller spline (6) is arranged on the bottom surface of the impeller (4); the impeller spline (6) is separated from or meshed with the inner barrel spline (5) when the movable shaft (7) moves up and down.

5. The washing machine with automatic clutch between pulsator and inner tub as claimed in claim 4, wherein: an elastic piece (11) is sleeved on the movable shaft (7) in a positioning way, one end of the elastic piece (11) elastically acts on the inner barrel (2), and the other end elastically acts on the movable shaft (7);

when the electromagnetic coil (9) is not electrified, the movable shaft (7) moves upwards through the elastic acting force of the elastic piece (11) and drives the pulsator (4) to be far away from the inner bottom surface of the outer barrel (1); the impeller spline (6) is separated from the inner barrel spline (5) when the impeller (4) is far away from the inner bottom surface of the outer barrel (1);

the electromagnetic coil (9) generates magnetic attraction force when being electrified and drives the movable shaft (7) to move downwards against the elastic force of the elastic piece (11), and the movable shaft (7) drives the impeller (4) to move towards the inner bottom surface of the outer barrel (1) when moving downwards; the impeller spline (6) is meshed with the inner barrel spline (5) when the impeller (4) moves towards the inner bottom surface of the outer barrel (1).

6. The washing machine with automatic clutch between pulsator and inner tub as claimed in claim 1, wherein: a connecting cavity (12) is arranged at the center of the impeller (4), and assembly holes (13) are respectively arranged at the centers of the connecting cavity (12), the outer barrel (1) and the inner barrel (2); the assembly hole (13) of the connecting cavity (12) is also provided with a transverse assembly part (14); the upper end of the movable shaft (7) passes through the assembly hole (13), and a transverse driving piece (15) and a fixing piece (16) are arranged on the movable shaft; the transverse driving member (15) is assembled on the transverse assembling portion (14) through the fixing member (16).

7. The washing machine with automatic clutch between pulsator and inner tub as claimed in claim 6, wherein: the connecting cavity (12) is also provided with a pulsator cover (17), and the pulsator cover (17) is provided with a plurality of groove parts (18); a plurality of ribs (19) are arranged on the connecting cavity (12); the impeller cover (17) is assembled and disassembled on the connecting cavity (12) and is connected with the convex rib (19) in a matched mode through the groove part (18).

8. The washing machine with automatic clutch between pulsator and inner tub as claimed in claim 1, wherein: the upper end of the outer barrel (1) is provided with an upper opening (20), an opening ring (21) is fixedly arranged on the upper opening (20), and a barrel cover (22) is assembled and disassembled through the opening ring (21) in a buckling mode.

9. The washing machine with automatic clutch between pulsator and inner tub as claimed in claim 8, wherein: a separation plate (23) is arranged in the outer barrel (1), and an upper washing cavity (24) and a lower assembly cavity (25) are separated by the separation plate (23); the inner barrel (2) is positioned in the upper washing cavity (24); the motor (3) is positioned in the lower assembly cavity (25); the lower end of the outer barrel (1) is also provided with a lower opening (26), and a base (27) is fixedly arranged on the lower opening (26).

10. The washing machine with automatic clutch between pulsator and inner tub as claimed in claim 1, wherein: the inner wall and/or the bottom wall of the inner barrel (2) are provided with a plurality of through holes (28); the inner wall and/or the bottom wall of the inner barrel (2) are/is provided with a plurality of ribs (29).

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