Clutch type power dual output system and washing machine thereof

Abstract

A clutch type power dual output system and a washing machine thereof, the clutch type power dual output system comprising a driving component; a first rotating component sleeved on a power output shaft and always forming a transmission fit; a second rotating component having a static position state and a moving position state; and a clutch type transmission mechanism in transmission connection with the driving component and arranged between the first rotating component and the second rotating component. The washing machine comprises a washing machine barrel and the clutch type power dual output system described above; wherein the first rotating component is a pulsator, the second rotating component is a dehydration basket, and the pulsator is located in the dehydration basket. The clutch type power dual output system provided by the application has the functions of transmission engagement, transmission separation and transmission switching, adopts many shared components, effectively reduces the cost of components, and is simpler in structure and production and assembly process.

Description

Technical Field

[0001] This invention relates to a clutch-type dual-output power system and its washing machine. Background Technology

[0002] A washing machine is a cleaning appliance that uses electrical energy to generate mechanical action to wash clothes.

[0003] Top-loading washing machines are another type of washing machine. An electric motor drives a pulsator to rotate, causing clothes to tumble continuously in the water. They come in single-tub, double-tub, and twin-tub configurations. Their structure is relatively simple, easy to maintain, and has a high washing efficiency, but they are more abrasive to clothes and use more water. Nowadays, with technological advancements, newer, computer-controlled washing machines with large or concave pulsators have emerged. Their advantages include less tangling of clothes, more even washing, and lower damage to garments.

[0004] Based on the inventor's disassembly, analysis, and use of existing products, some defects in existing products have been summarized. For example, in pulsator washing machines, the washing and spin-drying functions often require two sets of power systems to control the operation of the pulsator and the spin-drying tub respectively. However, this leads to a significant increase in cost and a more complex structure, occupying a large amount of internal space. In addition, it also results in a larger overall size of the washing machine, occupying a large amount of indoor space, which is very unfriendly to small apartments, rental properties, etc. Summary of the Invention

[0005] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a clutch-type dual-output power system and its washing machine.

[0006] The technical solution of this invention to solve its technical problem is: a clutch-type dual-output power system, comprising:

[0007] A drive component, which has a power output shaft;

[0008] The first rotating component is sleeved on the power output shaft and always forms a transmission engagement;

[0009] The second rotating component has a stationary position and a moving position.

[0010] A clutch-type transmission mechanism is connected to the drive component and is disposed between the first rotating component and the second rotating component;

[0011] The clutch-type transmission mechanism enables the second rotating component to switch from a stationary position to a moving position, thereby engaging the second rotating component with the first rotating component and causing the second rotating component to rotate; or, the clutch-type transmission mechanism enables the second rotating component to switch from a moving position to a stationary position, thereby disengaging the second rotating component from the first rotating component and causing the second rotating component to come to rest.

[0012] A further provision of the above technical solution is that the first rotating component and the second rotating component are arranged along the same rotation center axis.

[0013] A further provision of the above technical solution is that the first rotating component forms a transmission connection with the power output shaft through a transmission shaft sleeve.

[0014] A further configuration of the above technical solution is that the clutch-type transmission mechanism includes a power input component that forms a power engagement or disengagement with the transmission shaft sleeve, a clutch switching component mounted on the power input component, and a clutch implementation component that cooperates with the clutch switching component and acts on the second rotating component.

[0015] The second rotating component has a high surface and a low surface, and the clutch switching assembly can abut against either the high surface or the low surface;

[0016] When the power input component moves and causes the clutch switching component to move from the high plane to the low plane, the clutch switching component pushes the second rotating component upward, thereby engaging the second rotating component with the first rotating component so that the second rotating component rotates.

[0017] When the power input component moves and causes the clutch switching component to move from the low plane to the high plane, the second rotating component falls downward, thereby separating the power of the second rotating component from that of the first rotating component, so that the second rotating component comes to rest.

[0018] Preferably, the high-level surface and the low-level surface are transitioned by an inclined surface.

[0019] Preferably, the clutch switching component is a roller.

[0020] A further configuration of the above technical solution is that the power input component includes a sun gear and a plurality of planetary gears meshing with the sun gear;

[0021] One of the planetary gears is a double gear comprising a first gear segment and a second gear segment;

[0022] The outer circumference of the transmission shaft sleeve is provided with transmission teeth. The first gear segment can mesh with the transmission teeth to form a transmission engagement, and the second gear segment meshes with the sun gear to form a transmission engagement.

[0023] Preferably, the sun gear is sleeved outside the transmission shaft sleeve and forms a clearance fit with the transmission shaft sleeve.

[0024] Preferably, there are three planetary gears evenly distributed on the outer periphery of the sun gear.

[0025] Preferably, the first gear segment and the second gear segment have the same gear module, and the second gear segment has the same gear module as the other planetary gears.

[0026] A further provision of the above technical solution is that the first gear segment includes a toothed engagement section and a non-toothed separation section. The toothed engagement section can mesh with the transmission convex tooth to form a transmission engagement, while the non-toothed separation section cannot mesh with the transmission convex tooth.

[0027] A further configuration of the above technical solution is that the first rotating component is located above the second rotating component, the first rotating component has a transmission groove, and the second rotating component has a protruding transmission rib. The transmission rib can extend into the transmission groove so that the first rotating component and the second rotating component abut against each other and form a transmission engagement.

[0028] Preferably, the transmission shaft sleeve is integrally formed with the first rotating component.

[0029] The present invention also provides a washing machine, including a washing machine tub and the aforementioned clutch-type dual-output power system; wherein the first rotating component is an impeller, the second rotating component is a spin-dry basket, and the impeller is located inside the spin-dry basket.

[0030] A further provision of the above technical solution is that the washing machine tub also includes a limiting and anti-rotation mechanism that acts on the clutch-type transmission mechanism.

[0031] A further provision of the above technical solution is that the limiting anti-rotation mechanism includes an anti-rotation rib provided on the washing machine tub and a stop bar provided on the clutch-type transmission mechanism. The anti-rotation rib can abut against the stop bar and form an interference fit, so as to cause the clutch-type transmission mechanism to switch from power disengagement to power engagement when the motor reverses.

[0032] A further provision of the above technical solution is that the washing machine drum is provided with a first limiting rib, and the spin-dry basket is provided with a second limiting rib that can abut against the first limiting rib.

[0033] When this invention applies a special clutch-type dual-output power system to a washing machine, its working principle is as follows:

[0034] Washing mode: The drive unit starts and directly drives the impeller assembly to rotate through the cooperation of the drive shaft sleeve and the output shaft. At this time, the transmission teeth on the drive shaft sleeve are aligned with the non-toothed separation section in the gear mechanism, that is, there is no transmission relationship between the two. At the same time, the drive unit performs forward and reverse rotation at a certain angle according to the program, so as to agitate and wash the clothes and water through the impeller assembly.

[0035] Spin-dry mode: The drive unit starts and directly drives the impeller assembly to rotate through the cooperation of the drive shaft sleeve and the output shaft. At this time, the transmission convex teeth on the drive shaft sleeve are aligned with the tooth engagement section in the gear mechanism and form a transmission engagement. That is, the impeller assembly transmits power to the spin-dry basket through the clutch-type transmission mechanism. Therefore, the spin-dry basket can rotate with the impeller assembly to spin out the water from the clothes.

[0036] The beneficial effects of this invention are as follows:

[0037] First, a novel clutch-type dual-output power system is provided, in which a single system combines the functions of transmission engagement, transmission disengagement, and transmission switching. It adopts many common components, effectively reducing component costs. On the other hand, the structure and production assembly process are further simplified.

[0038] Second, a clutch-type dual-output power system is applied in the single-tub pulsator washing machine, which has both washing and spin-drying functions. The running time and direction of the drive components are programmed and controlled to automatically switch between washing and spin-drying.

[0039] Third, due to its high degree of functional integration, this invention makes the overall size of the machine smaller, thus producing a more mini and lightweight washing machine.

[0040] Fourth, no one is needed to pick up or put down clothes; washing and spin-drying are completed in one step, making it more convenient to use. Attached Figure Description

[0041] Figure 1 This is an assembly diagram of a clutch-type transmission mechanism.

[0042] Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the middle.

[0043] Figure 3 This is a top view of the washing machine in this invention.

[0044] Figure 4 yes Figure 3 Sectional view along the AA direction.

[0045] Figure 5 yes Figure 3 Sectional view along the BB direction.

[0046] Figure 6 This is an exploded schematic diagram of the washing machine in this invention.

[0047] Figure 7 This is a structural schematic diagram of the first rotating component (impeller).

[0048] Figure 8 This is a schematic diagram of the structure of the second rotating component (dehydration basket).

[0049] Figure 9 This is a structural schematic diagram of the second rotating component (dehydration basket) from another angle.

[0050] Figure 10 This is a structural diagram of the washing machine drum.

[0051] Figure 11 This is a split schematic diagram of the power input component in this invention.

[0052] Figure 12 This is a schematic diagram of the washing machine's appearance.

[0053] Figure 13 It is a cross-sectional view of the first rotating component and the second rotating component in transmission engagement.

[0054] Figure 14 This is a cross-sectional view of the first rotating component and the second rotating component when they are separated by transmission.

[0055] Figure 15 This is a schematic diagram showing the fit between the retaining strip and the anti-rotation rib.

[0056] In the diagram: 1. Drive component; 2. Power output shaft; 3. First rotating component; 4. Second rotating component; 5. Clutch transmission mechanism; 6. Rotation center shaft; 7. Transmission shaft sleeve; 8. High surface; 9. Low surface; 10. Inclined surface; 11. Roller; 12. Sun gear; 13. Planetary gear; 14. First gear segment; 15. Second gear segment; 16. Double gear; 17. Transmission convex tooth; 18. Tooth-shaped engagement section; 19. Non-tooth-shaped separation section; 20. Transmission groove; 21. Transmission rib; 22. Washing machine tub; 23. Anti-rotation rib; 24. Stop bar; 25. First limiting rib; 26. Second limiting rib. Detailed Implementation

[0057] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0058] Example 1

[0059] Reference Figures 1 to 14The technical solution of the present invention to solve its technical problem is: a clutch-type dual-output power system, including: a drive component 1, which is connected to a power source (such as mains power), and has a power output shaft 2 for providing a power source for the entire system.

[0060] The first rotating component 3 is sleeved on the power output shaft 2 and always forms a transmission engagement; it can be understood that once the drive component 1 is turned on, the first rotating component 3 will always rotate together with the drive component 1.

[0061] The second rotating component 4 has a stationary position and a moving position. The position mentioned here is relative to the environment in which it is installed. For example, when applied in a washing machine, the reference object for the so-called stationary position and moving position is the washing machine casing.

[0062] The clutch-type transmission mechanism 5 is connected to the drive component 1 and is disposed between the first rotating component 3 and the second rotating component 4.

[0063] The clutch-type transmission mechanism 5 has two main functions. First, it enables the second rotating component 4 to switch between a stationary position and a moving position. More specifically, under the action of the clutch-type transmission mechanism 5, the second rotating component 4 can switch from a stationary position to a moving position, thereby engaging the second rotating component 4 with the first rotating component 3 to cause the second rotating component 4 to rotate; or, under the action of the clutch-type transmission mechanism 5, the second rotating component 4 can switch from a moving position to a stationary position, thereby disengaging the second rotating component 4 from the first rotating component 3 to keep the second rotating component 4 stationary. Second, it enables the second rotating component 4 to continuously remain in either the stationary or moving position.

[0064] Another key feature of this invention is that the first rotating component 3 and the second rotating component 4 are arranged along the same rotational central axis 6. This coaxial structure simplifies, improves the efficiency, and enhances the reliability of the transmission structure between the first rotating component 3 and the second rotating component 4.

[0065] In this embodiment, the first rotating component 3 is connected to the power output shaft 2 via a transmission sleeve 7. Preferably, the transmission sleeve 7 and the first rotating component 3 are integrally formed, which simplifies the forming process and improves the overall strength between them. Alternatively, the transmission sleeve 7 can be formed separately and then assembled onto the first rotating component 3. The specific assembly and fixing method can be screwing, snap-fitting, etc., and is not specifically limited here.

[0066] Example 2

[0067] Based on the structure of Embodiment 1, and referring to... Figures 1-6 , Figure 11 This embodiment provides a preferred clutch-type transmission mechanism 5, specifically: the clutch-type transmission mechanism 5 includes a power input component that forms a power engagement or disengagement with the transmission shaft sleeve 7, a clutch switching component installed on the power input component, and a clutch implementation component that cooperates with the clutch switching component and acts on the second rotating component 4.

[0068] More specifically, the second rotating component 4 has a high surface 8 and a low surface 9, and the clutch switching assembly can abut against either the high surface 8 or the low surface 9. Its working mechanism is as follows: when the power input assembly moves and causes the clutch switching assembly to move from the high surface 8 to the low surface 9, the clutch switching assembly lifts the second rotating component 4 upwards, thereby engaging the second rotating component 4 with the first rotating component 3, causing the second rotating component 4 to rotate; when the power input assembly moves and causes the clutch switching assembly to move from the low surface 9 to the high surface 8, the second rotating component 4 falls downwards, thereby disengaging the second rotating component 4 from the first rotating component 3, causing the second rotating component 4 to come to rest.

[0069] Preferably, the high surface 8 and the low surface 9 are transitioned by an inclined surface 10, so that the switching operation is smoother, the jerking between the first rotating component 3 and the second rotating component 4 is reduced, and the impact on the components is reduced.

[0070] A portion of the section where the transmission tooth 17 engages with the toothed engagement section 18 is a transition section, allowing the washing machine to switch between washing and spin-drying functional states. The inclined surface 10 corresponds to this transition section.

[0071] In this invention, the clutch switching assembly can be a top block or other components with a contact and lifting function. Preferably, the clutch switching assembly is a roller 11, which has the following advantages: Firstly, the clutch switching assembly is subjected to unstable forces, so the roller 11 can better cope with forces from multiple angles and effectively unload them, greatly reducing the chance of damage and deformation; secondly, the vertical height of the roller 11 remains consistent when it rolls, so its lifting effect is not affected; furthermore, when the roller 11 contacts other components, it is a rolling friction fit, so it is not easy to cause damage to the contact components, thus playing a protective role.

[0072] In the above-described preferred configuration, the power input component comprises a sun gear 12 and several planetary gears 13 meshing with the sun gear 12; one of the planetary gears 13 is a double gear 16 comprising a first gear segment 14 and a second gear segment 15; the outer circumference of the transmission sleeve 7 is provided with transmission teeth 17, the first gear segment 14 meshing with the transmission teeth 17 to form a transmission engagement, and the second gear segment 15 meshing with the sun gear to form a transmission engagement. Upon startup, power is transmitted from the transmission teeth 17 of the transmission sleeve 7 to the first gear segment 14, and then the second gear segment 15 rotates along with the first gear segment 14 and drives the other planetary gears 13 through the sun gear, thus enabling the transmission sleeve 7 to drive the entire planetary gear 13 system.

[0073] In some cases, the required structure is such that the sun gear 12 is sleeved outside the transmission shaft sleeve 7 and forms a clearance fit with the transmission shaft sleeve 7, so that the transmission shaft sleeve 7 and the sun gear 12 only serve a positioning and installation function and do not have a transmission relationship.

[0074] Preferably, there are three planetary gears 13 evenly distributed on the outer periphery of the sun gear 12, forming a triangular distribution, which makes the force more balanced and the planetary gears 13 run very smoothly.

[0075] Preferably, the first gear segment 14 and the second gear segment 15 have the same gear module, and the second gear segment 15 has the same gear module as the other planetary gears 13. This ensures that the working conditions of each part of the planetary gear 13 with the first gear segment 14 and the second gear segment 15 remain consistent, increasing stability; on the other hand, it also ensures the smooth operation of the entire planetary gear 13 system.

[0076] Example 3

[0077] Another key function and technical point of this invention is: (referring to...) Figure 1 , Figure 2 , Figure 11The first gear segment 14 includes a toothed engagement section 18 and a non-toothed separation section 19. The toothed engagement section 18 can mesh with the transmission convex tooth 17 to form a transmission engagement, while the non-toothed separation section 19 cannot mesh with the transmission convex tooth 17 to maintain a specific position and function. In specific applications: when the first rotating component is aligned with the toothed engagement section 18, the first rotating component is electrically engaged with the power input component, causing the power input component to rotate and, through the clutch switching component, driving a change in the position of the second rotating component; when the first rotating component is aligned with the non-toothed separation section 19, the first rotating component is electrically disengaged from the power input component, causing the power input component to stop rotating and keeping the position of the second rotating component unchanged.

[0078] Example 4

[0079] The preferred structure of the transmission part when the first rotating component 3 and the second rotating component 4 are engaged in power is as follows: (Refer to...) Figures 7-8 , Figures 13-14 The first rotating component 3 is located above the second rotating component 4. The first rotating component 3 has a transmission groove 20, and the second rotating component 4 has a protruding transmission rib 21. The transmission rib 21 can extend into the transmission groove 20 so that the first rotating component 3 and the second rotating component 4 abut against each other and form a transmission engagement. When the first rotating component 3 rotates, it can drive the second rotating component 4 to rotate through the engagement of the transmission rib 21 and the transmission groove 20; conversely, if the transmission rib 21 and the transmission groove 20 are not engaged, the first rotating component 3 rotates alone, and the second rotating component 4 remains stationary.

[0080] Preferably, the transmission shaft sleeve 7 is integrally formed with the first rotating component 3, which has higher strength and better reliability during use.

[0081] Example 5

[0082] The present invention also provides a washing machine, as shown in the figure. Figure 12 It includes a washing machine tub 22 and the aforementioned clutch-type dual-output power system; wherein, the first rotating component 3 is an impeller, the second rotating component 4 is a spin-dry basket, and the impeller is located inside the spin-dry basket.

[0083] During the use of the washing machine, the internal rotating components—the pulsator and the spin-dry basket—exhibit centrifugal force. Therefore, when the drive component 1 reverses direction, both the pulsator and the spin-dry basket (including the centrifugal transmission mechanism) experience a certain degree of lag. Furthermore, due to inertia, they will rotate an additional distance along the original rotation direction. Because of these factors, the transmission cam 17 cannot re-mesh with the tooth engagement section 18 of the double gear 16 according to the preset trajectory, leading to malfunction.

[0084] To address the aforementioned deficiencies, the following measures are taken: the washing machine tub 22 also includes a limiting and anti-rotation mechanism that acts on the clutch-type transmission mechanism 5. Through the setting of the limiting and anti-rotation mechanism, once reversal begins, the limiting and anti-rotation mechanism can immediately contact and interfere with the clutch-type transmission mechanism 5, causing the planetary gear 13 to remain stationary while the sun gear 12 continues to rotate under the drive of the motor, forming a static and dynamic motion relationship. This ensures that the originally disengaged transmission convex tooth 17 and the tooth engagement section 18 of the double gear 16 can mesh more quickly and reliably.

[0085] Preferred, refer to Figure 10 , Figure 11 , Figure 15 The limiting anti-rotation mechanism includes an anti-rotation rib 23 provided on the washing machine tub 22 and a stop bar 24 provided on the clutch-type transmission mechanism 5. The anti-rotation rib 23 can abut against the stop bar 24 and form an interference fit so as to cause the clutch-type transmission mechanism 5 to switch from power separation to power engagement when the motor reverses.

[0086] Of course, the limit and anti-rotation mechanism can also be other structural forms, which are not specifically limited here.

[0087] Another potential drawback of this invention is that when the clutch-type transmission mechanism 5 is in the disengaged state, the spin-dry basket lacks a limit. In the washing mode, the rotation and tumbling of the impeller and water flow will cause the position of the spin-dry basket to become unstable. In other words, the spin-dry basket will drift with the current and will more or less touch other parts, or its position will become unstable, which will lead to the spin-dry basket being unable to be used normally.

[0088] To address the aforementioned shortcomings of the dehydration basket, this embodiment provides the following solution: (Refer to...) Figure 9 , Figure 10 The washing machine tub 22 is further provided with a first limiting rib 25, and the spin-dry basket is further provided with a second limiting rib 26 that can abut against the first limiting rib 25. In use, through the contact and cooperation of the first limiting rib 25 and the second limiting rib 26, the washing machine tub 22 can play a certain limiting role on the spin-dry basket, so as to keep the spin-dry basket in a relatively stable position during the washing mode, ensuring the normal use of its subsequent functions.

[0089] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the present invention. Any simple modifications, alterations, or equivalent structural changes made to the above embodiments based on the technical essence of the invention shall still fall within the protection scope of the present invention.

Claims

1. A clutch-type dual-output power system, characterized in that, include: A drive component (1) having a power output shaft (2); The first rotating component (3) is sleeved on the power output shaft (2) and always forms a transmission engagement; The second rotating component (4) has a stationary position state and a moving position state; A clutch-type transmission mechanism (5) is connected to the drive component (1) and is disposed between the first rotating component (3) and the second rotating component (4); Under the action of the clutch-type transmission mechanism (5), the second rotating component (4) can switch from the stationary position to the moving position, so that the second rotating component (4) is powered to engage with the first rotating component (3) so that the second rotating component (4) rotates. Alternatively, under the action of the clutch-type transmission mechanism (5), the second rotating component (4) can be switched from the moving position state to the stationary position state, so that the second rotating component (4) is separated from the first rotating component (3) and the second rotating component (4) is stationary; The first rotating component (3) is connected to the power output shaft (2) via a transmission shaft sleeve (7); The clutch-type transmission mechanism (5) includes a power input component that forms a power engagement or disengagement with the transmission sleeve (7), a clutch switching component mounted on the power input component, and a clutch implementation component that cooperates with the clutch switching component and acts on the second rotating component (4); the power input component includes a sun gear (12) and a plurality of planetary gears (13) that mesh with the sun gear (12), wherein one of the planetary gears (13) is a double gear (16) including a first gear segment (14) and a second gear segment (15), and the outer periphery of the transmission sleeve (7) is provided with a transmission tooth (17), wherein the first gear segment (14) can mesh with the transmission tooth (17) and form a connection. The second gear segment (15) meshes with the sun gear (12) to form a transmission engagement; the first gear segment (14) includes a toothed engagement section (18) and a non-toothed separation section (19). The toothed engagement section (18) can mesh with the transmission convex tooth (17) to form a transmission engagement, while the non-toothed separation section (19) cannot mesh with the transmission convex tooth (17); the second rotating component (4) has a high surface (8) and a low surface (9). The clutch switching component is a roller (11) that can abut against either the high surface (8) or the low surface (9). The high surface (8) and the low surface (9) are connected by an inclined surface (10).

2. The clutch-type dual-output power system according to claim 1, characterized in that: The first rotating component (3) and the second rotating component (4) are arranged along the same rotation center axis (6).

3. The clutch-type dual-output power system according to claim 1, characterized in that: When the power input component moves and causes the clutch switching component to move from the high surface (8) to the low surface (9), the clutch switching component pushes the second rotating component (4) upward, so that the second rotating component (4) is powered to engage with the first rotating component (3), so that the second rotating component (4) rotates. When the power input component moves and causes the clutch switching component to move from the low plane (9) to the high plane (8), the second rotating component (4) falls downward, thereby separating the power of the second rotating component (4) from the first rotating component (3) so that the second rotating component (4) comes to rest.

4. The clutch-type dual-output power system according to claim 3, characterized in that: The high-level surface (8) and the low-level surface (9) are connected by an inclined surface (10).

5. The clutch-type dual-output power system according to claim 1, characterized in that: The sun gear (12) is sleeved on the outside of the transmission shaft sleeve (7) and forms a clearance fit with the transmission shaft sleeve (7).

6. The clutch-type dual-output power system according to claim 5, characterized in that: The planetary gears (13) are three in number and are evenly distributed on the outer periphery of the sun gear (12).

7. The clutch-type dual-output power system according to claim 5, characterized in that: The first gear segment (14) and the second gear segment (15) have the same gear module, and the second gear segment (15) has the same gear module as the other planetary gears (13).

8. The clutch-type dual-output power system according to claim 1 or 2, characterized in that: The first rotating component (3) is located above the second rotating component (4). The first rotating component (3) has a transmission groove (20), and the second rotating component (4) has a transmission rib (21) protruding. The transmission rib (21) can extend into the transmission groove (20) so that the first rotating component (3) and the second rotating component (4) abut against each other and form a transmission engagement.

9. The clutch-type dual-output power system according to claim 1, characterized in that: The transmission shaft sleeve (7) is integrally formed with the first rotating component (3).

10. A washing machine, comprising a washing machine tub (22), characterized in that: It also includes a clutch-type dual-output power system as described in any one of claims 1-9; wherein the first rotating component (3) is a pulsator, the second rotating component (4) is a dehydration basket, and the pulsator is located inside the dehydration basket.

11. The washing machine according to claim 10, characterized in that: The washing machine tub (22) also includes a limiting and anti-rotation mechanism that acts on the clutch-type transmission mechanism (5).

12. The washing machine according to claim 11, characterized in that: The limiting anti-rotation mechanism includes an anti-rotation rib (23) provided on the washing machine tub (22) and a stop bar (24) provided on the clutch transmission mechanism (5). The anti-rotation rib (23) can abut against the stop bar (24) and form an interference fit so that when the motor reverses, the clutch transmission mechanism (5) can switch from power separation to power engagement.

13. The washing machine according to claim 10, characterized in that: The washing machine tub (22) is also provided with a first limiting rib (25), and the spin-dry basket is also provided with a second limiting rib (26) that can abut against the first limiting rib (25).

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