Novel clutch of full-automatic washing machine

Abstract

The utility model relates to a novel clutch of a full-automatic washing machine, which comprises a shell, a planetary gear assembly, an input shaft, an output shaft, a clutch shaft sleeve and a clutch fluted disc, a clutch sliding sleeve assembly is matched and meshed outside the clutch shaft sleeve, the shell is connected with a brake assembly, and the brake assembly comprises a supporting shaft, a push rod, a brake seat, a connecting block, a swing arm and a driving piece. The brake assembly and the swing arm limit the clutch sliding sleeve assembly to be located at the lowest lower limit position and be separated from the clutch fluted disc through the lever principle, the input shaft is driven to drive the planet wheel assembly to reach the speed reduction proportion, and the output shaft is driven to do circular motion. During dewatering, the driving piece drives the swing arm to lift up to drive the clutch sliding sleeve assembly to move upwards to be meshed with the clutch fluted disc, so that the input shaft, the clutch shaft sleeve, the clutch sliding sleeve assembly and the output shaft rotate synchronously, the driving piece is reasonable in structure, the swing arm is driven to swing to enable the clutch sliding sleeve assembly to move up and down simply in a labor-saving mode, and the defect that a shifting fork is damaged can be effectively overcome. And the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of washing machines, in particular to a new clutch for a fully automatic washing machine. Background Art

[0002] At present, the deceleration clutch of the pulsator-type fully automatic washing machine, when washing, the input shaft is driven by the motor, and as the motor rotates forward and backward frequently, the input shaft is connected to the planetary gear system arranged in the inner cavity of the brake wheel through the end gear shape, and the planetary gear frame is connected to the pulsator shaft, driving the pulsator to rotate forward and backward to achieve the washing condition. When the pulsator rotates forward and backward, it drives the washing to rotate in the same direction, and thus the dehydration barrel will rotate in the opposite direction with the inertia of the clothes. This type of deceleration clutch generally achieves the effect of braking (brake) by engaging the fork (swing arm) with the gear (side), but because the existing fork is overall long, when it is driven to rotate, its driving force requirement is relatively large. After long-term use, the fork will be deformed or broken, and the spring will fail easily, thereby reducing the service life of the clutch. Utility Model Content

[0003] The utility model aims to provide a new clutch for a fully automatic washing machine, which has the characteristics of reasonable structure, simple and labor-saving driving of the swing arm, and can effectively avoid the defect of damage to the shift fork, thereby extending the service life.

[0004] In order to solve the above technical problems, the utility model is solved by the following technical solutions: a new clutch for a fully automatic washing machine, comprising a shell, a planetary gear assembly is arranged in the shell, one end of the planetary gear assembly is provided with an input shaft convenient for connecting with a pulley, and the other end is provided with an output shaft convenient for connecting with a pulsator, a clutch sleeve is provided on the input shaft, a clutch toothed disk is connected between the clutch sleeve and the pulley, a clutch sleeve assembly is meshed with the outside of the clutch sleeve, a brake assembly for controlling the clutch sleeve assembly to engage or separate with the clutch toothed disk is connected to the shell, the brake assembly comprises a support shaft connected to the shell, a push rod is sleeved on the upper part of the support shaft, a brake seat is sleeved on the lower part of the support shaft, one end of the brake seat is fixedly connected to the middle part of the shell, a connecting block sleeved with the support shaft is provided between the push rod and the brake seat, a swing arm is hinged on the brake seat, one end of the swing arm is hinged to the clutch sleeve assembly, and a driving member for driving the swing arm to swing is formed between the other end and the connecting block.

[0005] Preferably, the clutch sleeve assembly includes an inner rotating gear ring meshing with the clutch sleeve and a limiting outer ring hinged to the swing arm, the inner rotating gear ring and the limiting outer ring are connected by a limiting pressure plate, and bosses are provided on both sides of the limiting outer ring.

[0006] Further preferably, the swing arm includes a top swing support block hinged to the brake seat, the front end of the top swing support block is connected to an arc-shaped ring arranged outside the limiting outer ring, and both ends of the arc-shaped ring are provided with connecting holes that cooperate with the boss.

[0007] Further preferably, the driving member includes an arc-shaped top groove opened at the rear end of the top swing support block, the front end of the connecting block is provided with an arc-shaped top head which cooperates with the arc-shaped top groove, and the rear end of the connecting block is provided with a square groove.

[0008] Further preferably, a block is provided in the middle of the push rod and is connected to the square groove, and a spring is provided between the push rod and the housing.

[0009] Further preferably, the planetary gear assembly includes a planetary gear set, a gear housing is provided outside the planetary gear set, the clutch sleeve and the gear box housing are connected and locked by screws, a tubular metal part is wrapped in the gear housing, a dehydration flange is connected to the output shaft, and the dehydration flange and the tubular metal part are fixedly connected by expansion and extrusion.

[0010] The utility model has the following beneficial effects: it comprises a shell, a planetary gear assembly is arranged in the shell, one end of the planetary gear assembly is provided with an input shaft convenient for connection with a pulley, and the other end is provided with an output shaft convenient for connection with a wave wheel, a clutch sleeve is arranged on the input shaft, a clutch toothed disk is connected between the clutch sleeve and the pulley, a clutch sleeve assembly is meshed with the outside of the clutch sleeve, a brake assembly for controlling the clutch sleeve assembly to engage or disengage with the clutch toothed disk is connected to the shell, the brake assembly comprises a support shaft connected to the shell, a push rod is sleeved on the upper part of the support shaft, a brake seat is sleeved on the lower part of the support shaft, one end of the brake seat is fixedly connected to the middle of the shell, a connecting block sleeved on the support shaft is arranged between the push rod and the brake seat, and a swing arm is hinged on the brake seat, One end of the swing arm is hinged to the clutch sleeve assembly, and a driving member for driving the swing arm to swing is formed between the other end and the connecting block. During washing, the brake assembly and the swing arm limit the clutch sleeve assembly to the lowest position at the lower limit and separate it from the clutch sprocket through the principle of leverage. The pulley drives the input shaft head gear ring to drive the planetary gear assembly to reach the speed reduction ratio, and drives the output shaft to make a circular motion. During dehydration, the driving member drives the swing arm to lift up and drives the clutch sleeve assembly to move up and engage with the clutch sprocket, so that the pulley drives the input shaft, the clutch sleeve, the clutch sleeve assembly and the output shaft to rotate synchronously. In this way, the driving member has a reasonable structure, and the swing arm is driven to swing, so that the clutch sleeve assembly can be moved up and down simply and labor-savingly, which can effectively avoid the defect of damage to the fork, thereby extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2It is a schematic diagram of the exploded structure of the utility model.

[0013] Figure 3 It is a cross-sectional view of the utility model.

[0014] Figure 4 It is a structural schematic diagram of the clutch sliding sleeve assembly of the utility model. DETAILED DESCRIPTION

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1-4 As shown, a new clutch for a fully automatic washing machine comprises a housing 1, wherein a planetary gear assembly is arranged in the housing 1, wherein an input shaft 2 for connection with a pulley is arranged at one end of the planetary gear assembly, and an output shaft 3 for connection with a pulsator is arranged at the other end, wherein a clutch sleeve 4 is arranged on the input shaft 2, a clutch toothed disc 5 is connected between the clutch sleeve 4 and the pulley, a clutch sleeve assembly is meshed with the outside of the clutch sleeve 4, a brake assembly for controlling the engagement or separation of the clutch sleeve assembly with the clutch toothed disc 5 is connected to the housing 1, wherein the brake assembly comprises a support shaft 6 connected to the housing 1, a push rod 7 is sleeved on the upper part of the support shaft 6, a brake seat 8 is sleeved on the lower part of the support shaft 6, one end of the brake seat 8 is fixedly connected to the middle part of the housing 1, a connecting block 9 sleeved on the support shaft 6 is arranged between the push rod 7 and the brake seat 8, and the brake seat 8 is hinged A swing arm 10 is connected, one end of the swing arm 10 is hinged to the clutch sleeve assembly, and a driving member for driving the swing arm 10 to swing is formed between the other end and the connecting block 9. During washing, the brake assembly and the swing arm 10 limit the clutch sleeve assembly to the lowest position at the lower limit and separate it from the clutch sprocket 5 through the principle of leverage, and the pulley drives the input shaft 2 head gear ring to drive the planetary gear assembly to reach the speed reduction ratio, and drives the output shaft 3 to do circular motion; during dehydration, the driving member drives the swing arm 10 to lift up and drive the clutch sleeve assembly to move up and engage with the clutch sprocket 5, so that the pulley drives the input shaft 2, the clutch sleeve 4, the clutch sleeve assembly and the output shaft 3 to rotate synchronously. In this way, the driving member has a reasonable structure, and driving the swing arm 10 to swing makes the clutch sleeve assembly move up and down simply and labor-saving, which can effectively avoid the defect of damage to the fork, thereby extending the service life.

[0017] In this embodiment, the clutch sleeve assembly includes an inner rotating gear ring 11 meshing with the clutch sleeve 4 and a limiting outer ring 12 hinged to the swing arm 10, the inner rotating gear ring 11 and the limiting outer ring 12 are connected by a limiting pressure plate 13, and bosses 14 are provided on both sides of the limiting outer ring 12. The swing arm 10 includes a top swing support block 101 hinged to the brake seat 8, and the front end of the top swing support block 101 is connected to an arc-shaped collar 102 arranged outside the limiting outer ring 12, and both ends of the arc-shaped collar 102 are provided with connecting holes 103 that cooperate with the bosses 14. The driving member includes an arc-shaped top groove 104 opened at the rear end of the top swing support block 101. The front end of the connecting block 9 is provided with an arc-shaped top head 105 which cooperates with the arc-shaped top groove 104, the rear end of the connecting block 9 is provided with a square groove 106, the middle part of the push rod 7 is provided with a square block 107 which cooperates with the square groove 106, and a spring is provided between the push rod 7 and the shell 1. When the push rod 7 drives the connecting block 9 to swing, the arc-shaped top head 105 pushes the arc-shaped ring 102 to move forward, and at the same time makes the top swing support block 101 rotate upward. When rotating, when the connecting hole 103 of the arc-shaped ring 102 is connected with the boss 14, the limiting outer ring 12, the inner rotating gear ring 11 and the limiting pressure plate 13 of the clutch sliding sleeve assembly are moved up together to engage with the clutch toothed disc 5, so that dehydration can be carried out.

[0018] In this embodiment, the planetary gear assembly includes a planetary gear set, and a gear housing is provided outside the planetary gear set. The clutch sleeve 4 is connected and locked to the gear box housing by screws. A tubular metal part is wrapped in the gear housing. A dehydration flange 15 is connected to the output shaft 3. The dehydration flange 15 is fixedly connected to the tubular metal part by expansion and extrusion. The rotation of the clutch sleeve also drives the dehydration flange 15 to rotate.

[0019] The working principle of the utility model is as follows: in the washing working state, the push rod 7 limits the clutch sleeve assembly to the lowest position at the lower limit through the connecting block 9 and the swing arm 10 through the lever principle, and is completely separated from the clutch gear plate 5, the pulley is locked on the input shaft 2, and the ring gear at the head of the input shaft 2 drives the planetary gear assembly to reach the speed reduction ratio, and drives the output shaft 3 to make a circular motion; when entering the dehydration state, the external parts apply an external force to drive the push rod 7 to rotate horizontally to a certain angle, and then the arc-shaped top head 105 of the connecting block 9 cooperates with the arc-shaped top groove 104 of the swing arm 10 to drive the clutch sleeve The assembly moves upward, so that the upper half of the inner rotating gear ring 11 meshes with the clutch sprocket 5, and the lower half of the gear ring meshes with the clutch shaft sleeve 4. When the input shaft 2 drives the clutch sprocket 5 to rotate, it also drives the clutch sleeve assembly to rotate through the gear structure. In the second step, when the clutch sleeve assembly moves upward, the vertical teeth of the inner ring of the clutch sleeve assembly are also tightly meshed with the upper vertical teeth of the clutch shaft sleeve 4. When the clutch sleeve rotates, it drives the clutch shaft sleeve 4 to rotate through the gear structure. The rotation of the clutch sleeve also drives the dehydration flange 15 to rotate, thereby achieving the power output rotation of the dehydration flange 15.

[0020] According to the concept of the present invention, there may be changes in the specific implementation method and application scope, and the content of this specification should not be understood as limiting the present invention.

Claims

1. A new clutch for a fully automatic washing machine, comprising a housing, a planetary gear assembly disposed in the housing, an input shaft for connection with a pulley disposed at one end of the planetary gear assembly, and an output shaft for connection with a pulsator disposed at the other end, a clutch sleeve disposed on the input shaft, a clutch toothed disc connected between the clutch sleeve and the pulley, characterized in that: The clutch sleeve is meshed with a clutch sleeve assembly on the outside, and a brake assembly for controlling the clutch sleeve assembly to engage or disengage with a clutch sprocket is connected to the housing. The brake assembly includes a support shaft connected to the housing, a push rod is sleeved on the upper part of the support shaft, a brake seat is sleeved on the lower part of the support shaft, one end of the brake seat is fixedly connected to the middle part of the housing, a connecting block sleeved on the support shaft is provided between the push rod and the brake seat, a swing arm is hinged on the brake seat, one end of the swing arm is hinged to the clutch sleeve assembly, and a driving member for driving the swing arm to swing is formed between the other end and the connecting block.

2. A new type of clutch for a fully automatic washing machine according to claim 1, characterized in that: The clutch sleeve assembly includes an inner rotating gear ring meshing with the clutch sleeve and a limiting outer ring hinged to the swing arm. The inner rotating gear ring and the limiting outer ring are connected by a limiting pressure plate, and bosses are provided on both sides of the limiting outer ring.

3. A new type of clutch for a fully automatic washing machine according to claim 2, characterized in that: The swing arm includes a top swing support block hinged to the brake seat, the front end of the top swing support block is connected to an arc-shaped collar arranged outside the limiting outer ring, and both ends of the arc-shaped collar are provided with connection holes that cooperate with the boss.

4. A new type of clutch for a fully automatic washing machine according to claim 3, characterized in that: The driving member includes an arc-shaped top groove opened at the rear end of the top swing support block, the front end of the connecting block is provided with an arc-shaped top head matched with the arc-shaped top groove, and the rear end of the connecting block is provided with a square groove.

5. A new type of clutch for a fully automatic washing machine according to claim 4, characterized in that: A square block which is matched and connected with the square groove is arranged in the middle of the push rod, and a spring is arranged between the push rod and the shell.

6. A new type of clutch for a fully automatic washing machine according to claim 1, characterized in that: The planetary gear assembly includes a planetary gear set, a gear housing is provided outside the planetary gear set, the clutch sleeve and the gear box housing are connected and locked by screws, a tubular metal part is wrapped in the gear housing, a dehydration flange is connected to the output shaft, and the dehydration flange and the tubular metal part are fixedly connected by expansion and extrusion.

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