Clutch transmission mechanism of double-drum washing machine

Abstract

The invention relates to the technical field of washing machines, and discloses a clutch transmission mechanism of a double-drum washing machine, which comprises two washing motors, two bearing seats and a water containing barrel, the tops of the two motors are fixedly connected to the bottom of the water containing barrel through bolts; the exteriors of the two bearing seats are fixedly connected to the interior of the water containing barrel through bolts, second internal spline tooth grooves are formed in the bottom ends of the interiors of the bearing seats, the output end of the motor is fixedly connected with a washing shaft, the exterior of the washing shaft is rotatably connected with a dewatering shaft, and the exterior of the dewatering shaft is slidably connected with a jaw. A first spline tooth groove and a third spline tooth groove are formed in the outer ring of the upper end of the jaw and the inner ring of the lower end of the jaw respectively. The washing shaft is directly driven by the motor, rotation of the washing shaft can be achieved when the jaw moves upwards, the dewatering shaft can be directly driven by the motor to rotate when the jaw moves downwards, direct drive of the motor is achieved, and the power transmission efficiency of the motor is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of washing machines, in particular to a clutch transmission mechanism of a double-cylinder washing machine. BACKGROUND

[0002] The clutch transmission mechanism of a washing machine mainly consists of a clutch, a pulley, a gear set, etc. Its function is to switch power transmission between washing and dehydration. When washing, the clutch is separated, the inner barrel does not rotate, and the impeller is driven to rotate through the gear set; when dehydrating, the clutch is combined, and the inner barrel is driven to rotate at high speed. The mechanism controls the clutch state through electromagnetism or machinery, ensures independent operation of the two functions, avoids power conflict, and is a key component for realizing the multi-functional operation of the washing machine. Its reliability affects the performance and service life of the machine.

[0003] The clutch transmission mechanism of the prior art requires the motor to transmit the power of the motor through the belt or gear set, washes through the separation of the clutch, and dehydrates through the combination of the clutch. However, whether it is washing or dehydration, the power needs to be first transmitted to the clutch, or the power needs to be transmitted to the belt or gear set. Therefore, it is not a motor direct drive, which reduces the transmission efficiency of the motor power. At the same time, the current washing machine adopts a structure of planetary gears and sun gears, which causes a complex structure, a large volume, and occupies space, and is not suitable for use in a table mini washing machine. At the same time, the complex structure increases the cost and improves the production cost. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a clutch transmission mechanism of a double-cylinder washing machine, which solves the problem that the clutch transmission mechanism of the prior art is generally not a motor direct drive, which reduces the transmission efficiency of the motor power, and at the same time, the structure is complex, the volume is large, it occupies space, and it increases the production cost.

[0005] In order to achieve the above object, the present application is realized by the following technical scheme: A clutch transmission mechanism of a double cylinder washing machine, comprising two washing motors, two bearing seats and a water containing barrel, the top of the two motors is fixedly connected to the bottom of the water containing barrel through bolts, the outside of the two bearing seats is fixedly connected to the inside of the water containing barrel through bolts, the inside bottom end of the bearing seat is provided with an internal spline slot two, the output end of the motor is fixedly connected with a washing shaft, the outside of the washing shaft is rotatably connected with a dewatering shaft, the outside of the dewatering shaft is slidably connected with a toothed insert, the upper end outer ring and the lower end inner ring of the toothed insert are respectively provided with a spline slot one and a spline slot three, the middle part of the toothed insert is provided with a spline slot five, the bottom of the bearing seat is provided with a connecting rod assembly, the bottom outer ring of the dewatering shaft is provided with a spline slot four, the middle end top of the toothed insert is fixedly connected with a tower spring, the outside of the dewatering shaft is rotatably connected with a spring seat, the top of the tower spring is fixedly connected to the bottom of the spring seat, and the outside bottom end of the washing shaft is fixedly connected with a spline flange.

[0006] Preferably, the connecting rod assembly comprises a shift fork, the bottom of the bearing seat is fixedly connected with a mounting column, the two sides of the shift fork are rotatably connected to the bottom ends of the two mounting columns, the side away from the toothed insert of the shift fork is fixedly connected with a push spring at the top, a fixed frame is fixedly connected between the two motors, the top of the fixed frame is fixedly connected with two motors, and the output end of the motor is fixedly connected with a driving wheel.

[0007] Preferably, the top of the dewatering shaft is fixedly connected with a dewatering barrel, the top of the washing shaft is fixedly connected with an impeller, and the impeller is rotatably connected to the bottom of the dewatering barrel.

[0008] Preferably, the top end outside of the bearing seat is fixedly connected with a water containing barrel, and the water containing barrel is fixedly connected to the inside.

[0009] Preferably, the spline slot one and the spline slot two are in meshing connection, and the spline slot three and the spline flange are in meshing connection.

[0010] Preferably, the spline slot five and the spline slot four are in meshing connection, and the spline slot five is slidably connected in the inside of the spline slot four.

[0011] Preferably, the outside top end of the driving wheel is provided as an inclined surface, and the side bottom of the shift fork close to the driving wheel is provided as a curved surface.

[0012] Preferably, the outside of the dewatering shaft is fixedly connected with two bearings, and the outside of the plurality of bearings is fixedly connected to the inside of the bearing seat.

[0013] Preferably, the yoke is arranged at the bottom of the tooth block away from the side of the motor, and the top of the push spring is fixedly connected to the outer bottom end of the bearing seat.

[0014] Preferably, the diameter of the spring seat is smaller than the middle diameter of the tooth block, and the bottom of the mounting column is fixedly connected to the top of the motor.

[0015] The present application provides a clutch transmission mechanism of a double-cylinder washing machine.

[0016] 1、The present application directly drives the washing shaft by the motor, and when the tooth block moves upward, the spline tooth groove II is engaged with the spline tooth groove I to prevent the dehydration shaft from rotating, and the washing shaft is driven to rotate by the motor, and when the tooth block moves downward, the spline tooth groove III at the bottom of the tooth block is engaged with the spline flange, and when the washing shaft is driven to rotate by the motor, the spline flange is driven to rotate, and then the tooth block is driven to rotate by the spline flange, and the dehydration shaft is driven to rotate by the tooth block, so that the motor is directly driven, and the transmission efficiency of the motor power is improved.

[0017] 2、The present application only needs to cooperate the clamping tooth groove on the tooth block and the dehydration shaft and the fixed shell to realize that the inner barrel does not rotate during washing, and the inner barrel is driven to rotate at high speed by the dehydration shaft during dehydration, so that the complicated structure such as the planetary gear and the sun gear is not needed, the space is reduced, the clutch transmission mechanism is compact and does not occupy space, and the mini washing machine on the table is suitable, the plastic is used instead of the traditional metal material, the production cost is reduced by simplifying the structure and replacing the material. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the clutch transmission mechanism of the present application;

[0019] Figure 2 It is a structure schematic view of the mounting shell of the present application;

[0020] Figure 3 It is a structure schematic view of the push spring of the present application;

[0021] Figure 4 It is a structure schematic view of the bearing of the present application;

[0022] Figure 5 It is a structure schematic view of the washing shaft of the present application;

[0023] Figure 6 It is a structure schematic view of the tooth block of the present application;

[0024] Figure 7Structure diagram of toothed bottom of the toothed insert of the present application;

[0025] Figure 8 Structure diagram of the internal fixed tooth of the present application;

[0026] Figure 9 Structure diagram of the dehydration shaft of the present application;

[0027] Figure 10 Structure diagram of the driving wheel of the present application;

[0028] Figure 11 Structure diagram of the shifting fork of the present application.

[0029] 1, motor; 2, toothed insert; 3, spline slot 1; 4, bearing seat; 5, spline slot 2; 6, washing shaft; 7, dehydration shaft; 8, spline slot 3; 9, shifting fork; 10, pushing spring; 11, fixed frame; 12, motor; 13, driving wheel; 14, spline slot 4; 15, dehydration bucket; 16, impeller; 17, water bucket; 18, bearing; 19, tower spring; 20, spring seat; 21, mounting column; 22, spline flange; 23, spline slot 5. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the specification of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0031] Please refer to the drawings in the specification of the present application Figure 1 - the drawings in the specification of the present application Figure 11The embodiment of the present application provides a kind of clutch transmission mechanism of double-barrel washing machine, including two washing motors 1, two bearing seats 4 and water tank 17, the top of two electric motors 1 is fixedly connected in the bottom of water tank 17 by bolt, the outside of two bearing seats 4 is fixedly connected in the inside of water tank 17 by bolt, bearing seat 4 can provide installation position, and can provide the condition of locking, the inside bottom end of bearing seat 4 is equipped with spline tooth slot two 5, the output end of motor 1 is fixedly connected with washing shaft 6, washing shaft 6 can transmit the power of spline tooth slot one 3, the outside of washing shaft 6 is rotatably connected with dehydration shaft 7, dehydration shaft 7 can realize the dehydration of washing machine after rotating, the outside of dehydration shaft 7 is slidably connected with toothed insert 2, the upper end outer ring and lower end inner ring of toothed insert 2 are equipped with spline tooth slot one 3 and spline tooth slot three 8 respectively, spline tooth slot five 23 is equipped in the middle of toothed insert 2, toothed insert 2 as the key component of clutch transmission mechanism, after moving upwards, can cooperate with spline tooth slot two 5 to lock dehydration shaft 7, so that washing shaft 6 does not rotate when rotating, and when spline tooth slot three 8 moves downwards, it can realize the simultaneous rotation of dehydration shaft 7 and washing shaft 6, so as to carry out the dehydration of clothes, the bottom of bearing seat 4 is provided with connecting rod assembly, and connecting rod assembly has the effect of controlling toothed insert 2 to move up and down, the bottom outer ring of dehydration shaft 7 is equipped with spline tooth slot four 14, spline tooth slot four 14 and spline tooth slot five 23 in toothed insert 2 are engaged after meshing, can realize the locking of dehydration shaft 7 or drive dehydration shaft 7 to rotate, the middle top of toothed insert 2 is fixedly connected with tower spring 19, the outside of dehydration shaft 7 is rotatably connected with spring seat 20, spring seat 20 provides the top mounting position of tower spring 19, and tower spring 19 can push toothed insert 2 to move downwards when there is no upward supporting force for toothed insert 2, the top of tower spring 19 is fixedly connected to the bottom of spring seat 20, the outside bottom end of washing shaft 6 is fixedly connected with spline flange 22, spline flange 22 can play the role of limiting when toothed insert 2 moves to the bottom, and can also drive toothed insert 2 to rotate after meshing with toothed insert 2, so as to drive dehydration shaft 7 to rotate, the top of dehydration shaft 7 is fixedly connected with dehydration tank 15, the top of washing shaft 6 is fixedly connected with pulsator 16, pulsator 16 is rotatably connected to the bottom of dehydration tank 15, the top end outside of bearing seat 4 is fixedly connected with water tank 17, water tank 17 is fixedly connected in the inside of motor 1, spline tooth slot one 3 and spline tooth slot two 5 are meshingly connected, spline tooth slot three 8 and spline flange 22 are meshingly connected, spline tooth slot five 23 and spline tooth slot four 14 are meshingly connected, spline tooth slot five 23 is slidably connected in the inside of spline tooth slot four 14, the outside of dehydration shaft 7 is fixedly connected with two bearings 18, bearings 18 can reduce friction, accelerate the rotation of dehydration shaft 7, the outside of multiple bearings 18 is fixedly connected in the inside of bearing seat 4.

[0032] The connecting rod assembly comprises a shift fork 9, the bottom of the bearing seat 4 is fixedly connected with a mounting column 21, the mounting column 21 can provide a position for mounting the shift fork 9, the two sides of the shift fork 9 are rotatably connected at the bottom ends of the two mounting columns 21, the top of the side of the shift fork 9 away from the toothed insert 2 is fixedly connected with a pushing spring 10, the pushing spring 10 cooperates with the shift fork 9 to enable the elastic force to be greater than that of the tower-shaped spring 19, the moment of the shift fork 9 is different and the gravity of the side of the shift fork 9 away from the toothed insert 2 is greater, thereby realizing that the shift fork 9 cooperates with the pushing spring 10 to compress the tower-shaped spring 19, the two electric motors 1 are fixedly connected with a fixed frame 11, the fixed frame 11 provides a mounting position, the top of the fixed frame 11 is fixedly connected with two electric machines 12, the electric machines 12 can provide power for shifting the shift fork 9, the output end of the electric machine 12 is fixedly connected with a drive wheel 13, the top end of the outside of the drive wheel 13 is provided as an inclined surface, the inclined surface of the drive wheel 13 can enable the drive wheel 13 to move from the thinnest side to the thickest side, the side of the shift fork 9 away from the toothed insert 2 can be pushed to the highest point, and at this time the side of the shift fork 9 close to the toothed insert 2 will move to the lowest end, the bottom of the side of the shift fork 9 close to the drive wheel 13 is provided as a curved surface, the side of the shift fork 9 away from the electric machine 12 is arranged at the bottom of the toothed insert 2, the top of the pushing spring 10 is fixedly connected at the bottom end of the outside of the bearing seat 4, the diameter of the spring seat 20 is smaller than the middle diameter of the toothed insert 2, the diameter of the spring seat 20 being smaller than the middle diameter of the toothed insert 2 can enable the toothed insert 2 to move upwards without movement interference between the toothed insert 2 and the spring seat 20, the bottom of the mounting column 21 is fixedly connected at the top of the electric motor 1, the bottom of the mounting column 21 being fixedly connected at the top of the electric motor 1 can keep the stability of the mounting column 21.

[0033] Working principle: when dehydrating, start the motor 12, the output end of the motor 12 rotates to drive the drive wheel 13 to rotate, when the drive wheel 13 rotates, because the top of the drive wheel 13 is inclined, when the bottom end of the drive wheel 13 contacts the bottom of the side of the fork 9 away from the toothed insert 2, the end of the fork 9 away from the toothed insert 2 will rotate upward, when the highest point of the top of the drive wheel 13 moves to the bottom of the side of the fork 9 away from the toothed insert 2, the end of the fork 9 away from the toothed insert 2 moves to the highest point, at this time the compression spring 10 is compressed, and the bottom of the toothed insert 2 is not supported, so it will move downward under the elastic force of the tower spring 19, at this time the spline tooth groove five 23 in the toothed insert 2 engages with the spline tooth groove four 14, and moves to the bottom of the spline tooth groove four 14, when the bottom end of the toothed insert 2 moves to the outside of the spline flange 22, the spline tooth groove three 8 in the toothed insert 2 will engage with the spline flange 22, and the spline tooth groove one 3 in the toothed insert 2 will disengage with the spline tooth groove two 5, at this time start the motor 1, the output end of the motor 1 rotates to drive the spline flange 22 to rotate, the spline flange 22 drives the toothed insert 2 to rotate, when the toothed insert 2 rotates, because of the limiting of the spline flange 22, the bottom of the toothed insert 2 will not contact the top of the side of the fork 9 close to the toothed insert 2, so as to avoid friction with the top of the fork 9 and reduce wear, and the toothed insert 2 drives the dehydration shaft 7 to rotate, the rotation of the dehydration shaft 7 and the washing shaft 6 drives the impeller 16 and the dehydration bucket 15 to rotate, so as to centrifugal dehydrate the clothes.

[0034] When washing clothes, start the motor 12 again, the output end of the motor 12 drives the drive wheel 13 to rotate and move out of the range of the bottom of the fork 9, at this time the fork 9 will move downward under the elastic force of the compression spring 10, so as to drive the side of the fork 9 close to the toothed insert 2 to move upward, at this time it can push the toothed insert 2 to move upward against the elastic force of the tower spring 19, so that the top teeth on the outside of the toothed insert 2 engage with the spline tooth groove two 5, because the bearing seat 4 is fixed, the toothed insert 2 will not rotate after engaging with the spline tooth groove two 5, and when the toothed insert 2 moves upward, the spline tooth groove five 23 in the toothed insert 2 can move to the top of the spline tooth groove four 14, because the toothed insert 2 will not rotate, after the spline tooth groove five 23 in the toothed insert 2 engages with the spline tooth groove four 14, the dehydration shaft 7 will be locked under the action of the toothed insert 2, so that the dehydration shaft 7 will not rotate slightly under the rotation of the washing shaft 6, at this time start the spline tooth groove one 3, the output end of the spline tooth groove one 3 drives the washing shaft 6 to rotate, the washing shaft 6 drives the impeller 16 to rotate, and at this time the dehydration bucket 15 will not rotate, so as to wash the clothes.

[0035] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A clutch transmission mechanism for a twin-tub washing machine, comprising two washing motors (1), two bearing seats (4) and a water tub (17), characterized in that: The tops of the two motors (1) are fixedly connected to the bottom of the water tub (17) by bolts, the exteriors of the two bearing seats (4) are fixedly connected to the interior of the water tub (17) by bolts, the interior bottoms of the bearing seats (4) are provided with two internal spline tooth grooves (5), the output end of the motor (1) is fixedly connected to a washing shaft (6), the exterior of the washing shaft (6) is rotatably connected to a dehydration shaft (7), the exterior of the dehydration shaft (7) is slidably connected to a tooth insert (2), the upper outer ring and the lower inner ring of the tooth insert (2) are respectively provided with one spline tooth groove. (3) and spline tooth groove three (8), the middle part of the tooth insert (2) is provided with a spline tooth groove five (23), the bottom of the bearing seat (4) is provided with a connecting rod assembly, the bottom outer ring of the dehydration shaft (7) is provided with a spline tooth groove four (14), the top of the middle end of the tooth insert (2) is fixedly connected with a tower spring (19), the external rotation of the dehydration shaft (7) is connected with a spring seat (20), the top of the tower spring (19) is fixedly connected to the bottom of the spring seat (20), and the external bottom end of the washing shaft (6) is fixedly connected with a spline flange (22).

2. The clutch transmission mechanism of a double-tub washing machine according to claim 1, characterized in that: The connecting rod assembly includes a shift fork (9), a mounting column (21) fixedly connected to the bottom of the bearing seat (4), two sides of the shift fork (9) are rotatably connected to the bottom ends of the two mounting columns (21), a push spring (10) is fixedly connected to the top of the shift fork (9) away from the tooth insert (2), a fixed frame (11) is fixedly connected between the two motors (1), two switching motors (12) are fixedly connected to the top of the fixed frame (11), and the output end of the motor (12) is fixedly connected to a driving wheel (13).

3. The clutch transmission mechanism of a double-tub washing machine according to claim 1, characterized in that: The top of the dehydration shaft (7) is fixedly connected to a dehydration barrel (15), the top of the washing shaft (6) is fixedly connected to a pulsator (16), and the pulsator (16) is rotatably connected to the bottom of the dehydration barrel (15).

4. The clutch transmission mechanism of a double-tub washing machine according to claim 1, characterized in that: A water tub (17) is fixedly connected to the outside of the top end of the bearing seat (4), and the water tub (17) is fixedly connected to the inside.

5. The clutch transmission mechanism of a double-tub washing machine according to claim 1, characterized in that: The spline tooth groove one (3) and the spline tooth groove two (5) are in meshing connection, and the spline tooth groove three (8) and the spline flange (22) are in meshing connection.

6. The clutch transmission mechanism of a twin-tub washing machine according to claim 1, characterized in that: The spline tooth groove five (23) is meshed with the spline tooth groove four (14), and the spline tooth groove five (23) is slidably connected to the inside of the spline tooth groove four (14).

7. The clutch transmission mechanism of a double-tub washing machine according to claim 2, characterized in that: The outer top end of the driving wheel (13) is configured as an inclined surface, and the bottom end of the shift fork (9) on one side close to the driving wheel (13) is configured as a curved surface.

8. The clutch transmission mechanism of a double-tub washing machine according to claim 1, characterized in that: The outside of the dehydration shaft (7) is fixedly connected to two bearings (18), and the outsides of the two bearings (18) are fixedly connected to the inside of the bearing seat (4).

9. The clutch transmission mechanism of a twin-tub washing machine according to claim 2, characterized in that: The side of the shift fork (9) away from the motor (12) is arranged at the bottom of the tooth (2), and the top of the push spring (10) is fixedly connected to the outer bottom end of the bearing seat (4).

10. The clutch transmission mechanism of a twin-tub washing machine according to claim 2, characterized in that: The diameter of the spring seat (20) is smaller than the middle diameter of the tooth insert (2), and the bottom of the mounting column (21) is fixedly connected to the top of the motor (1).

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