A water-saving washing machine dual-clutch device

Abstract

The present invention discloses a dual clutch device for a water-saving washing machine, relates to the technical field of water-saving washing machines, overcomes the defect that the existing water-saving washing machines cannot drain water, comprises a pulsator shaft, a dehydration shaft and a drainage shaft, a sector-shaped tooth meshing pair is provided between the drainage shaft and the dehydration shaft, an upper clutch sleeve which can be meshed with and connected to a shell body as a whole and can also be separated is provided on the dehydration shaft, the pulsator shaft is connected to the input shaft through a reduction gear system arranged in a brake wheel, the upper part of the brake wheel is fixed as a whole with the drainage shaft, and the lower part is fixed as a whole with the clutch shaft, a rotatable intermediate shaft is provided between the clutch shaft and the input shaft, a lower clutch sleeve is provided on the clutch shaft and the intermediate shaft, the lower clutch sleeve is divided into an inner and outer part which can rotate with each other, and the inner and outer parts can slide on the intermediate shaft and the clutch shaft respectively, the present invention can easily open the drainage tray for drainage; improve the service life of the water-saving washing machine; and can automatically operate the washing machine for convenient control.

Description

Technical Field

[0001] The invention relates to the technical field of water-saving washing machines, and in particular to a clutch device of a water-saving washing machine. Background Art

[0002] The existing water-saving washing machine needs to discharge the sewage in the washing tub after washing. However, after washing, the clothes will entangle the impeller and the washing tub together. When draining, it is necessary to open the water sealing plate on the bottom of the washing tub. The water sealing plate is controlled to open by the drainage shaft connected to it. Since the input part needs to control the rotation of the impeller shaft connected to the impeller when controlling the drainage shaft, the required torque is large, and the impeller shaft is subject to great resistance from the impeller. In addition, the power controlling the drainage shaft and the impeller shaft is directly transmitted by the input end, and the power cannot be amplified by the reduction gear train, resulting in the inability to drain. It is necessary to take out the clothes first, which is not only troublesome, laborious, but also cannot realize automatic control. This is a technical problem that we urgently need to solve. Summary of the invention

[0003] The purpose of the present invention is to provide a dual clutch device for a water-saving washing machine, which amplifies the input torque through a reduction gear train to open the drain pan to overcome the above-mentioned defects.

[0004] According to the above purpose, the technical solution of the present invention is: a dual clutch device of a water-saving washing machine, comprising a impeller shaft connected to the impeller of the washing machine, a dehydration shaft placed outside the impeller shaft and connected to the flange of the water-saving washing barrel of the washing machine, a drainage shaft is arranged on the outside of the impeller shaft, the drainage shaft is connected to the drainage plate, an upper clutch sleeve is provided on the dehydration shaft, the upper clutch sleeve is configured to mesh the dehydration shaft with the shell body as a whole or separate, the upper part of the brake wheel is fixed as a whole with the drainage shaft, the lower part of the brake wheel is fixed as a whole with the clutch shaft, the clutch shaft is rotatably placed outside the input shaft, a rotatable intermediate shaft is provided between the clutch shaft and the input shaft, a lower clutch sleeve is provided on the clutch shaft and the intermediate shaft, and the lower clutch sleeve is configured to connect or disconnect the clutch shaft, the intermediate shaft and the input shaft.

[0005] Preferably, the impeller shaft is connected to the input shaft via a reduction gear train disposed in a brake wheel, and the drainage shaft is disposed between the impeller shaft and the dehydration shaft, and the drainage shaft can flexibly rotate relative to the impeller shaft.

[0006] Furthermore, the reduction gear system is provided with a planetary carrier and an inner gear ring, the planetary carrier is connected to the impeller shaft, the intermediate shaft is connected to the planetary carrier, the inner gear ring is fixedly mounted on the brake wheel and / or the clutch shaft, the inner gear ring is meshed with the planetary gear, the planetary gear is movably mounted on the planetary carrier, and the planetary gear is meshed with the input shaft gear located at the top end of the input shaft.

[0007] Preferably, a sector-shaped tooth meshing pair is provided between the drainage shaft and the dehydration shaft, and the sector-shaped tooth meshing pair is configured to mesh or separate the dehydration shaft and the drainage shaft through an upper clutch sleeve, and the meshing angle of the sector-shaped tooth meshing pair is 30-120 degrees.

[0008] Furthermore, the lower clutch sleeve is divided into two inner and outer parts that can rotate with each other, and the inner and outer parts can slide on the intermediate shaft and the clutch shaft respectively. The lower clutch sleeve can move to an upper position, a middle position or a lower position. When the lower clutch sleeve moves up to the upper position, the inner part of the lower clutch sleeve is engaged with the housing and disengaged from the input shaft, and the outer part of the lower clutch sleeve is disengaged from the housing. When the lower clutch sleeve is in the middle position, the inner part of the lower clutch sleeve is disengaged from the housing and the input shaft, and the outer part of the lower clutch sleeve is engaged with the housing. When the lower clutch sleeve moves down to the lower position, the inner and outer parts of the lower clutch sleeve are both disengaged from the housing, and the inner part of the lower clutch sleeve is engaged with the input shaft.

[0009] Preferably, the upper clutch sleeve is connected to the dehydration shaft through an axial sliding fit, and the upper clutch sleeve is connected to the housing through an end face clutch fit.

[0010] Furthermore, the lower clutch sleeve is connected to the clutch shaft, the intermediate shaft and the input shaft through an axial sliding fit, and the lower clutch sleeve is connected to the housing through an axial sliding fit.

[0011] Preferably, a washing method of a dual clutch device of a water-saving washing machine comprises an upper clutch sleeve matched with the dehydration shaft, and a lower clutch sleeve matched with the clutch shaft and the intermediate shaft. In the washing state, the inner parts of the upper clutch sleeve and the lower clutch sleeve move upward and engage with the shell body as a whole under the action of an external control component and are in the upper position. The dehydration shaft meshing with the upper clutch sleeve is also fixed. The power of the input shaft drives the impeller shaft to rotate to wash clothes after passing through the reduction gear train, thereby realizing the washing condition.

[0012] Furthermore, under the drainage condition, the upper clutch sleeve is in the upper position, the dehydration shaft is fixed, the lower clutch sleeve is also in the upper position, the inner part of the lower clutch sleeve is engaged with the shell as a whole, the intermediate shaft slidably connected to the inner part of the lower clutch sleeve is fixed, and the impeller shaft connected to the intermediate shaft through the planetary carrier is also fixed. The outer part of the lower clutch sleeve is disengaged from the shell, and the inner part of the lower clutch sleeve is disengaged from the input shaft. The rotational power of the input shaft is transmitted to the drainage shaft connected to the inner gear ring after passing through the reduction gear train, so that the drainage plate connected to the drainage shaft rotates, and the drainage holes on the drainage plate are connected to the drainage holes on the flange to realize the drainage condition.

[0013] Preferably, under the dehydration condition, the upper clutch sleeve and the lower clutch sleeve are moved downward to the lower position under the action of the external control component, the dehydration shaft is separated from the shell, and the dehydration shaft is meshed with the drainage shaft as a whole under the action of the fan-shaped tooth meshing pair, the clutch shaft, the intermediate shaft and the input shaft are connected as a whole, and the entire brake wheel rotates together for high-speed centrifugal dehydration; conversely, when switching from the dehydration state to the washing state, the drain outlet is closed to achieve the conversion of the working condition.

[0014] Compared with the prior art, the advantages and beneficial effects of the present invention are:

[0015] 1. The present invention eliminates the resistance of the clothes on the impeller by operating the upper clutch sleeve arranged on the dehydration shaft and the lower clutch sleeve arranged on the clutch shaft and the intermediate shaft in the upper, middle and lower gear positions, and easily opens the drain pan connected to the drain shaft to drain water;

[0016] 2. The product of the present invention can increase the rotation torque by reducing the speed of the reduction gear train, which can greatly improve the driving force on the drainage shaft, greatly improve the rotation flexibility of the drainage plate, and greatly increase the service life of the water-saving washing machine;

[0017] 3. The product of the present invention realizes the automatic rotation and drainage of the water-saving washing machine drain pan, and can automatically operate the washing machine for convenient control. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work:

[0019] Figure 1 It is a schematic diagram of the principle structure of an embodiment of the product of the present invention;

[0020] Figure 2 It is a perspective structural diagram of an embodiment of the product of the present invention;

[0021] Among them: 1. Input shaft; 2. Clutch shaft; 3. Brake wheel; 4. Dehydration shaft; 5. Drain shaft; 6. Impeller shaft; 7. Drain plate; 8. Flange; 9. Housing; 10. Upper clutch sleeve; 11. Planet carrier; 12. Inner gear ring; 13. Lower clutch sleeve; 14. Sector gear meshing pair; 15. Intermediate shaft. DETAILED DESCRIPTION

[0022] Combination Figure 1-Figure 2, is a schematic structural diagram of an embodiment of a dual clutch device for a water-saving washing machine of the present invention, which includes a pulsator shaft 6 connected to the pulsator of the washing machine, a dehydration shaft 4 disposed outside the pulsator shaft 6 and connected to the flange 8 of the water-saving washing barrel of the washing machine, a drainage shaft 5 disposed between the pulsator shaft 6 and the dehydration shaft 4 and rotatable and connected to a drainage plate 7 for drainage, a sector-shaped tooth meshing pair 14 is provided between the drainage shaft 5 and the dehydration shaft 4, the sector-shaped tooth meshing pair 14 is configured to mesh or separate the dehydration shaft 4 and the drainage shaft 5 through an upper clutch sleeve 10, the dehydration shaft 4 is provided with an upper clutch sleeve 10 that can be meshed and connected to the housing 9 as a whole and can also be separated, the pulsator shaft 6 is connected to the housing 9 through the pulsator shaft 6, and the dehydration shaft 4 is connected to the drainage plate 7 for drainage. The reduction gear system placed in the brake wheel 3 is connected to the input shaft 1, the upper part of the brake wheel 3 is fixed to the drainage shaft 5, the lower part of the brake wheel 3 is fixed to the clutch shaft 2, the clutch shaft 2 is rotatably placed outside the input shaft 1, a rotatable intermediate shaft 15 is provided between the clutch shaft 2 and the input shaft 1, a lower clutch sleeve 13 is provided on the clutch shaft 2 and the intermediate shaft 15, and the lower clutch sleeve 13 is configured to connect or disconnect the clutch shaft 2, the intermediate shaft 15, the housing 9, and the input shaft 1. The lower clutch sleeve 13 is divided into two inner and outer parts that can rotate with each other, and the inner and outer parts can be respectively on the intermediate shaft 15 and the clutch shaft 2 slide, when the lower clutch sleeve 13 moves up to the upper position, its inner part is meshed with the housing 9, disengaged from the input shaft 1, and its outer part is disengaged from the housing 9. When the lower clutch sleeve 13 is in the middle position, its inner part is disengaged from the housing 9 and the input shaft 1, and its outer part is meshed with the housing 9. When the lower clutch sleeve 13 moves down to the lower position, its inner and outer parts are disengaged from the housing 9, and its inner part is meshed with the input shaft 1; the meshing angle of the sector tooth meshing pair 14 is 30-120 degrees, preferably 45-90 degrees; the reduction gear system is provided with a planet carrier 11 and an inner gear ring 12, and the planet carrier 11 is connected to the impeller shaft 6, The intermediate shaft 15 is connected to the planetary carrier, the inner gear ring 12 is fixedly mounted on the brake wheel 3 and / or the clutch shaft 2, the inner gear ring 12 is meshed with the planetary gear, the planetary gear is movably mounted on the planetary carrier 11, and the planetary gear is meshed with the input shaft gear disposed at the top of the input shaft 1; the upper clutch sleeve 10 is connected to the dehydration shaft 4 by an axial sliding fit, and the upper clutch sleeve 10 is connected to the housing 9 by an end face clutch fit; the lower clutch sleeve 13 is connected to the clutch shaft 2, the intermediate shaft 15 and the input shaft 1 by an axial sliding fit, and the lower clutch sleeve 13 is connected to the housing 9 by an axial sliding fit.

[0023] In the washing state, the inner parts of the upper clutch sleeve 10 and the lower clutch sleeve 13 are moved upward and engaged with the shell 9 under the action of the external control components, and are in the upper position. The dehydration shaft 4 meshing with the upper clutch sleeve 10 is also fixed, and the brake wheel 3 and the drainage shaft 5 are also fixed. The power of the input shaft 1 passes through the reduction gear system and drives the impeller shaft 6 to rotate to wash clothes.

[0024] In the drainage state, the upper clutch sleeve 10 is in the upper position, the dehydration shaft 4 is fixed, the lower clutch sleeve 13 is also in the upper position, its inner part is engaged with the shell 9 as a whole, the impeller shaft 6 connected to the intermediate shaft 15 slidably connected to its inner part is fixed, its outer part is disengaged from the shell 9, and its inner part is disengaged from the input shaft 1. The rotational power of the input shaft 1 is transmitted to the drainage shaft 5 connected to the inner gear ring 12 after passing through the reduction gear train, and the increased torque corresponding to the gear train reduction ratio is obtained, so that the drainage plate 7 connected to the drainage shaft 5 rotates, and the drainage holes on the drainage plate 7 are connected to the drainage holes on the flange 8 to drain water.

[0025] In the dehydration state, the upper clutch sleeve 10 and the lower clutch sleeve 13 move downward to the lower position under the action of the external control component, the dehydration shaft 4 is released, the dehydration shaft 4 is separated from the shell 9, and the dehydration shaft 4 is meshed with the drainage shaft 5 as a whole under the action of the sector tooth meshing pair 14. The clutch shaft 2 and the intermediate shaft 15 are connected to the input shaft 1 as a whole, and the others rotate synchronously. The entire brake wheel 3 rotates together for high-speed centrifugal dehydration.

[0026] On the contrary, when switching from the dehydration state to the washing state, the drain outlet is closed, including the drain outlet of the washing machine and / or the drain hole on the drain pan 7 is closed in a way that the drain hole on the flange 8 is not connected, so that the washing tub can store water and realize the conversion of working conditions.

[0027] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the methods and core ideas of the present invention. It should be pointed out that for ordinary technicians in this field, several improvements and modifications can be made to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A dual clutch device for a water-saving washing machine, comprising a pulsator shaft (6) connected to a pulsator of the washing machine, a dehydration shaft (4) disposed outside the pulsator shaft (6) and connected to a flange (8) of a water-saving washing tub of the washing machine, a drainage shaft (5) disposed outside the pulsator shaft (6), the drainage shaft (5) being connected to a drainage pan (7), characterized in that: The dehydration shaft (4) is provided with an upper clutch sleeve (10), and the upper clutch sleeve (10) is configured to mesh the dehydration shaft (4) with the housing (9) to form a whole or separate the dehydration shaft (4); the upper part of the brake wheel (3) is fixed to the drainage shaft (5) as a whole, and the lower part of the brake wheel (3) is fixed to the clutch shaft (2) as a whole; the clutch shaft (2) is rotatably arranged outside the input shaft (1); a rotatable intermediate shaft (15) is provided between the clutch shaft (2) and the input shaft (1); the clutch shaft (2) and the intermediate shaft (15) are provided with a lower clutch sleeve (13); the lower clutch sleeve (13) is configured to connect or disconnect the clutch shaft (2), the intermediate shaft (15) and the input shaft (1); The impeller shaft (6) is connected to the input shaft (1) via a reduction gear train disposed in the brake wheel (3); the drainage shaft (5) is disposed between the impeller shaft (6) and the dehydration shaft (4); and the drainage shaft (5) is capable of movably rotating relative to the impeller shaft (6); A sector-shaped tooth meshing pair (14) is provided between the drainage shaft (5) and the dewatering shaft (4), and the sector-shaped tooth meshing pair (14) is configured to mesh or separate the dewatering shaft (4) and the drainage shaft (5) through an upper clutch sleeve (10), and the meshing angle of the sector-shaped tooth meshing pair (14) is 30-120 degrees; The lower clutch sleeve (13) is divided into two inner and outer parts which rotate with each other. The inner and outer parts slide on the intermediate shaft (15) and the clutch shaft (2) respectively. The lower clutch sleeve (13) can move to an upper position, a middle position or a lower position. When the lower clutch sleeve (13) moves up to the upper position, the inner part of the lower clutch sleeve (13) meshes with the housing (9) and is disengaged from the input shaft (1), and the outer part of the lower clutch sleeve (13) is disengaged from the housing (9). When the lower clutch sleeve (13) is in the middle position, the inner part of the lower clutch sleeve (13) is disengaged from the housing (9) and the input shaft (1), and the outer part of the lower clutch sleeve (13) is meshed with the housing (9). When the lower clutch sleeve (13) moves down to the lower position, the inner and outer parts of the lower clutch sleeve (13) are both disengaged from the housing (9), and the inner part of the lower clutch sleeve (13) is meshed with the input shaft (1).

2. The dual clutch device for a water-saving washing machine according to claim 1, characterized in that: The reduction gear system is provided with a planet carrier (11) and an inner gear ring (12), the planet carrier (11) is connected to the impeller shaft (6), the intermediate shaft (15) is connected to the planet carrier, the inner gear ring (12) is fixedly mounted on the brake wheel (3) and / or the clutch shaft (2), the inner gear ring (12) is meshed with the planetary gear, the planetary gear is movably mounted on the planet carrier (11), and the planetary gear is meshed with the input shaft gear disposed at the top of the input shaft (1).

3. The dual clutch device for a water-saving washing machine according to claim 1, characterized in that: The upper clutch sleeve (10) is connected to the dehydration shaft (4) by axial sliding fit, and the upper clutch sleeve (10) is connected to the housing by end face clutch fit.

4. The dual clutch device for a water-saving washing machine according to claim 1, characterized in that: The lower clutch sleeve (13) is connected to the clutch shaft (2), the intermediate shaft (15) and the input shaft (1) through axial sliding fit, and the lower clutch sleeve (13) is connected to the housing (9) through axial sliding fit.

5. A washing method for a water-saving washing machine with a dual clutch device, characterized in that: A dual clutch device for a water-saving washing machine as claimed in any one of claims 1 to 4, comprising an upper clutch sleeve (10) matched with a dehydration shaft (4), and a lower clutch sleeve (13) matched with a clutch shaft (2) and an intermediate shaft (15). In a washing state, the inner parts of the upper clutch sleeve (10) and the lower clutch sleeve (13) move upward under the action of an external control component to engage with a housing (9) as a whole and are in an upper position. The dehydration shaft (4) meshing with the upper clutch sleeve (10) is also fixed. The power of the input shaft (1) drives the impeller shaft (6) to rotate and wash clothes after passing through a reduction gear train, thereby realizing a washing condition.

6. A washing method for a water-saving washing machine with a dual clutch device according to claim 5, characterized in that: In the drainage condition, the upper clutch sleeve (10) is in the upper position, the dehydration shaft (4) is fixed, the lower clutch sleeve (13) is also in the upper position, the inner part of the lower clutch sleeve (13) is engaged with the housing (9) as a whole, the intermediate shaft (15) slidably connected to the inner part of the lower clutch sleeve (13) is fixed, the impeller shaft (6) connected to the intermediate shaft (15) through the planetary carrier (11) is also fixed, the outer part of the lower clutch sleeve (13) is separated from the housing (9), the inner part of the lower clutch sleeve (13) is separated from the input shaft (1), the rotational power of the input shaft (1) is transmitted to the drainage shaft (5) connected to the inner gear ring (12) after passing through the reduction gear train, so that the drainage plate (7) connected to the drainage shaft (5) rotates, and the drainage hole on the drainage plate (7) is connected to the drainage hole on the flange (8), so as to realize the drainage condition.

7. A washing method for a water-saving washing machine with a dual clutch device according to claim 5, characterized in that: In the dehydration working condition, the upper clutch sleeve (10) and the lower clutch sleeve (13) are moved downward to the lower position under the action of the external control component, the dehydration shaft (4) is separated from the housing (9), the dehydration shaft (4) is meshed with the drainage shaft (5) under the action of the sector tooth meshing pair (14), the clutch shaft (2), the intermediate shaft (15) and the input shaft (1) are connected as a whole, and the entire brake wheel (3) rotates together to perform high-speed centrifugal dehydration; conversely, when switching from the dehydration state to the washing state, the drainage port is closed to achieve the switching of the working condition.

Images