Water switch device for water-saving washing machine and washing machine thereof

Abstract

The invention discloses a water switch device for a water-saving washing machine and a washing machine thereof, and relates to the technical field of water-saving washing machines, and overcomes the defects of poor sealing effect and short service life of the existing device. The invention comprises an inner drum with water holding, washing and dehydrating functions, the inner drum is connected to the upper shaft sleeve of a reduction clutch through an inner drum flange, a drainage hole is provided on the inner drum flange, a water sealing component is provided on the drainage hole, an opening component which is linked to the water sealing component is provided on the reduction clutch, the opening component can be connected to a power component installed on the washing machine in an upward and downward manner, and the washing machine also comprises a impeller and an outer drum, the impeller is concentrically arranged in the inner drum, the inner drum is concentrically arranged in the outer drum, the lower side of the outer drum is connected to the mounting plate of the reduction clutch, and the impeller is connected to the impeller shaft of the reduction clutch. The washing water in the inner drum can be quickly discharged before dehydration, and the operation is simple and convenient, and the effect is good.

Description

Technical Field

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

[0002] In order to overcome the problems of water saving and preventing secondary pollution in fully automatic pulsator washing machines, the industry has developed a water-saving washing machine, that is, a hole-free washing drum washing machine. Its structure is that the lower part of the inner drum is designed as an integral whole, and there is a circle of water-spraying holes only near the balance ring of the drum wall, and there are no holes in other parts. During the washing process of this structure washing machine, there is water in the inner drum, and there is no water between the inner drum and the box body, which can solve the problems of water saving and preventing secondary pollution. However, the existing water switch device with inner drum has poor sealing effect and short service life. The dirty water in the inner drum must be discharged before dehydration. How to effectively discharge the water in the inner drum is a technical problem that we currently need to solve. Summary of the invention

[0003] The purpose of the present invention is to provide a water switch device for a water-saving washing machine to solve the above technical problems that occur in such water-saving washing machines currently on the market.

[0004] According to the above purpose, the technical solution of the present invention is: a water switch device for a water-saving washing machine, comprising an inner drum with water holding, washing and dehydration functions, the inner drum being connected to the upper sleeve of a deceleration clutch through an inner drum flange, and characterized in that: a drainage hole is provided on the inner drum flange, a water sealing component is provided on the drainage hole, an opening component which is linked to the water sealing component is provided on the deceleration clutch, and the opening component can be connected to a power component installed on the washing machine in a movable manner up and down.

[0005] The inner cylinder flange is provided with a guide hole, the water sealing component includes a rubber valve plug, a reset spring and an annular push plate, the rubber valve plug is installed on the annular push plate through the guide hole via a guide column, and the reset spring is arranged between the inner cylinder flange and the annular push plate.

[0006] Furthermore, there are a plurality of guide holes and drainage holes, which are evenly spaced and staggered on the circumference of the cross section of the inner cylinder flange relative to the axial centerline.

[0007] Furthermore, the diameter of the drainage hole is 10-50 mm, and the diameter of the guide hole is 5-10 mm.

[0008] The guide column and the rubber valve plug form a unit and are fastened together as a whole. The guide column and the guide hole are movably connected in a sliding fit. The outer diameter of the rubber valve plug is larger than the diameter of the drainage hole.

[0009] The opening component includes a hinge plate, a fork rod, a return spring and a linear shaft fixedly mounted on the deceleration clutch mounting plate. The fork rod is rotatably mounted on the hinge plate through a rotating shaft. A return spring is provided between one end of the fork rod and the mounting plate, and is connected to the power component through a pull rope, and the other end is connected to the linear shaft.

[0010] Furthermore, the other end of the shift fork rod is divided into two symmetrical branches, each branch is provided with a slide groove, and is slidably connected to the linear shaft through the slide groove.

[0011] Furthermore, a neck-shaped groove is provided at the sliding fit between the linear shaft and the sliding groove of the shift fork rod.

[0012] A linear bearing seat is symmetrically mounted on the mounting plate relative to the axis, and a linear shaft is axially movably mounted and connected in the linear bearing seat.

[0013] Furthermore, the linear bearing seat is sheathed with a top-sealed bellows, and the other end of the linear shaft is connected to the top of the bellows.

[0014] Furthermore, the distance between the top of the bellows and the bottom of the water sealing component is more than 3 mm, the axial movement distance of the linear shaft is 5-30 mm, and the axial movement distance of the water sealing component is 5-15 mm.

[0015] The power component is a two-speed traction motor with a washing conversion function.

[0016] The power component is a special traction motor.

[0017] The shift fork rod and the linear shaft are connected via a pin shaft.

[0018] A washing machine manufactured using the water switch device of the water-saving washing machine also includes a impeller and an outer drum, wherein the impeller is concentrically arranged in the inner drum, the inner drum is concentrically arranged in the outer drum, the lower side of the outer drum is connected to the mounting plate of the deceleration clutch, and the impeller is connected to the impeller shaft of the deceleration clutch.

[0019] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows: the product of the present invention provides a drainage hole on the inner drum flange and a water sealing component on the drainage hole. Before dehydration, a power component installed on the washing machine drives an opening component to lift the water sealing component upward to quickly discharge the washing water in the inner drum, and then closes the water sealing component for dehydration. The operation is simple and convenient, and the effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of a front view and cross-section structure of an embodiment of the product of the present invention in a normal state;

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of a normal state of an embodiment of the product of the present invention;

[0022] Figure 3 It is a schematic diagram of the front view and cross-section structure of the drainage state of an embodiment of the product of the present invention;

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the embodiment of the product of the present invention in the drainage state;

[0024] Figure 5 This is a schematic diagram of the connection state structure of the fork rod of the product of the present invention;

[0025] In the figure: 1. Outer cylinder; 2. Inner cylinder; 3. Impeller; 4. Impeller shaft; 5. Inner cylinder flange; 6. Guide hole; 7. Guide column; 8. Annular push plate; 9. Bellows; 10. Linear bearing seat; 11. Linear shaft; 12. Fork rod; 13. Return spring; 14. Drain hole; 15. Rubber valve plug; 16. Hinge plate; 17. Power component; 18. Rotating shaft; 19. Linear shaft; 20. Pull rope; 21. Mounting plate; 22. Upper bushing; 23. Slide groove. DETAILED DESCRIPTION

[0026] Combination Figure 1-Figure 5 , which is a schematic diagram of the principle structure of a water switch device of a water-saving washing machine of the present invention, comprises an inner drum 2 with water holding, washing and dehydrating functions, wherein the inner drum 2 is connected to an upper sleeve 22 of a deceleration clutch via an inner drum flange 5, and is characterized in that: a drainage hole 14 is provided on the inner drum flange 5, a water sealing component is provided on the drainage hole 14, an opening component which is linked to the water sealing component is provided on the deceleration clutch, and the opening component can be movably connected to a power component 17 installed on the washing machine up and down.

[0027] The inner cylinder flange 5 is provided with a guide hole 6, and the water sealing component includes a rubber valve plug 15, a reset spring 13 and an annular push plate 8. The rubber valve plug 15 is installed on the annular push plate 8 through the guide hole 6 via the guide column 7, and the reset spring 13 is arranged between the inner cylinder flange 5 and the annular push plate 8; there are a plurality of guide holes 6 and drainage holes 14, which are evenly spaced and staggered on the circumference of the cross section of the inner cylinder flange 5 relative to the axial center line; the diameter of the drainage hole 14 is 10-50mm, and the diameter of the guide hole 6 is 5-10mm; the guide column 7 and the rubber valve plug 15 form a unit and are fastened together as a whole, the guide column 7 and the guide hole 6 are movably slidably fitted and connected, and the outer diameter of the rubber valve plug 15 is larger than the diameter of the drainage hole 14.

[0028] The opening component includes a hinge plate 16 fixedly mounted on the deceleration clutch mounting plate 21, a fork lever 12, a return spring 13 and a linear shaft 11. The fork lever 12 is rotatably mounted on the hinge plate 16 through a rotating shaft 18, and a return spring 13 is arranged between one end of the fork lever and the mounting plate 21, and is connected to the power component 17 through a pull rope 20, and the other end is connected to the linear shaft 11; the other end of the fork lever 12 is divided into two symmetrical branches, each branch is provided with a slide groove 23, and is slidably connected to the linear shaft 11 through the slide groove 23; the linear shaft 11 and the slide groove 23 of the fork lever 12 are slidably matched with each other. A neck-shaped groove is provided at the sliding fit between the linear shaft 11 and the fork lever 12; A linear bearing seat 10 is symmetrically mounted on the mounting plate 21 relative to the axis, and a linear shaft 11 is axially movably mounted and connected inside the linear bearing seat 10; a top-sealed bellows 9 is sheathed on the outside of the linear bearing seat 10, and the other end of the linear shaft 11 is connected to the top of the bellows 9. When the linear shaft 11 moves axially, the bellows 9 can be extended and retracted within a certain range to play a sealing role; the bellows is a corrugated rubber tube; the distance between the top of the bellows 9 and the lower part of the water-sealing component is more than 3mm, the axial movement distance of the linear shaft 11 is 5-30mm, and the axial movement distance of the water-sealing component is 5-15mm.

[0029] The power component 17 may be a second-speed traction motor for washing conversion function;

[0030] A washing machine manufactured using the water switch device of the water-saving washing machine mentioned above also includes a impeller 3 and an outer drum 1, the impeller 3 is concentrically arranged in the inner drum 2, the inner drum 2 is concentrically arranged in the outer drum 1, the lower side of the outer drum 1 is connected to the mounting plate 21 of the deceleration clutch, and the impeller 3 is connected to the impeller shaft 4 of the deceleration clutch.

[0031] When washing is finished and draining, the traction motor of the second gear stroke starts to work. At this time, the working motor of the washing machine does not work. When the motor is in the first gear, it is in the disengaged state. When the second gear is in place, the fork rod 12 is pulled to rotate around the rotating shaft 18 through an angle, and the slide groove 23 at the other end of the fork rod 12 drives the linear shaft 11 to move up one end distance, and the annular push plate 8 is lifted. The annular push plate 8 drives the guide column 7 and the rubber valve plug 15 to rise. In this way, the rubber valve plug 15 is disengaged from the drainage hole 14, and the water is discharged from the drainage hole 14 into the outer drum 1 and discharged along the drainage pipe; after the water is drained, the traction motor loses power, and the annular push plate 8 drives the guide column 7 and the rubber valve plug 15 to rise. Plate 8 loses the upward thrust of linear axis 11, and drives guide column 7 and rubber valve plug 15 to reset quickly under the action of reset spring 13 and gravity. At this time, the traction motor only performs one-stage work, driving the clutch mechanism from washing state to dehydration state, but does not touch the drainage fork rod 12. In this way, there is at least 3mm between the bottom of inner drum 2 and outer drum 1. At this time, the working motor of the washing machine starts to work under the control of the program, driving impeller 3 to dehydrate together with inner drum 2 and clothes at high speed by centrifugal dehydration. Water rises along the wall of the inner drum and is thrown out from the water-throwing holes at the bottom of the balance ring to dry the clothes.

[0032] The annular push plate 8 can be directly installed on the top of the linear shaft 11, and the unit composed of the rubber valve plug 15 and the guide column 7 can be used as a unit alone, passing through the drainage hole 14 of the inner cylinder flange 5. In the washing and dehydration state, the annular push plate 8 moves down and separates from the rubber valve plug 15 and the guide column 7, and then it is in a sealed state. When the annular push plate 8 moves up, it pushes away the rubber valve plug 15 and the guide column 7, and enters the drainage state.

[0033] During operation, the washing machine is turned on and water is in the state of filling, the rubber valve plug 15 is in the closed state, the water in the inner drum 2, i.e., the washing tub, is kept, the water filling is finished, and the washing state is entered. After the washing is finished, the external force pushes the annular push plate 8 upward, the rubber valve plug 15 is in the open state, and the water is discharged from the drain hole 14. After the water is drained, the external force disappears, and under the action of the reset spring 13, the annular push plate 8 moves down and returns to the closed state, and then enters the dehydration process, and the water is thrown out from the upper water-throwing hole under the action of centrifugal force.

[0034] When the power component is a dedicated traction motor, the main clutch structure for washing and dehydration conversion remains the traditional clutch structure, including a common clutch with a single ratchet, a hand-rubbed clutch with double ratchets, and a dual-power clutch; the auxiliary clutch structure is a power structure specially added to realize the drainage function of the hole-free inner barrel washing machine. A crank linear moving structure is added to the mounting plate of the original clutch to realize the clutch function of the drainage structure of the hole-free inner barrel washing machine. The specific structure and principle are as follows: the rubber valve plug 15 is a normally closed structure under the action of the reset compression spring 13 and its own weight, and the water in the washing barrel is retained; when drainage is required, the dedicated power component works under the action of the washing machine program, driving the fork rod 12 to push the annular push plate 8 upward, the guide column 7 and the rubber valve plug 15 connected to the annular push plate 8 move upward, and the water is discharged from the drainage hole 14; when the external force disappears, under the action of the reset compression spring 13, the annular push plate 8 moves down and resets, and the rubber valve plug 15 resets and returns to a closed state.

[0035] The shift fork rod 12 and the linear shaft 11 may also be connected via a pin.

Claims

1. A water switch device for a water-saving washing machine, comprising an inner drum (2) having water holding, washing and dehydrating functions, wherein the inner drum (2) is connected to an upper sleeve (22) of a deceleration clutch via an inner drum flange (5), and characterized in that: The inner drum flange (5) is provided with a drainage hole (14), the drainage hole (14) is provided with a water sealing component, the deceleration clutch is provided with an opening component linked to the water sealing component, and the opening component can be movably connected to a power component (17) installed on the washing machine. The inner cylinder flange (5) is provided with a guide hole (6), the water sealing component comprises a rubber valve plug (15), a return spring (13) and an annular push plate (8), the rubber valve plug (15) passes through the guide hole (6) via a guide column (7) and is installed on the annular push plate (8), the return spring (13) is arranged between the inner cylinder flange (5) and the annular push plate (8); the opening component comprises a hinge plate (16) fixedly mounted on the deceleration clutch mounting plate (21), a shift fork rod (12), a return spring (13) and a return spring (13). The shift fork rod (12) is rotatably mounted on the hinge plate (16) via a rotating shaft (18), a return spring (13) is arranged between one end of the shift fork rod and the mounting plate (21), and the shift fork rod is connected to the power component (17) via a pull rope (20), and the other end is connected to the linear shaft (11); the other end of the shift fork rod (12) is divided into two symmetrical branches, each branch is provided with a slide groove (23), and is slidably connected to the linear shaft (11) via the slide groove (23); The power component (17) is a two-speed traction motor for washing conversion function; when washing is finished and drainage is started, the traction motor of the second-speed stroke starts to work. When the traction motor is in the second gear, the shift fork rod (12) is pulled to rotate around the rotating shaft (18) through an angle, and the slide groove (23) at the other end of the shift fork rod (12) drives the linear shaft (11) to move up a distance, and lifts the annular push plate (8). The annular push plate (8) drives the guide column (7) and the rubber valve plug (15) to rise, and the rubber valve plug (15) is separated from the drainage hole (14), and water is discharged from the drainage hole (14) into the outer cylinder (1) and discharged along the drainage pipe; after the water is drained, the traction motor loses power, and the annular push plate (8) loses the upward thrust of the linear shaft (11), driving the guide column (7) and the rubber valve plug (15) to quickly reset under the action of the reset spring (13) and gravity. At this time, the traction motor only performs the first-speed stroke, driving the clutch mechanism to change from the washing state to the dehydration state; A linear bearing seat (10) is symmetrically mounted on the mounting plate (21) relative to the axis, and a linear shaft (11) is axially movably mounted and connected inside the linear bearing seat (10); a top-sealed bellows (9) is sheathed outside the linear bearing seat (10), and the other end of the linear shaft (11) is connected to the top of the bellows (9).

2. The water switch device of the water-saving washing machine according to claim 1, characterized in that: There are a plurality of guide holes (6) and drainage holes (14), which are evenly spaced and staggered on the circumference of the cross section of the inner cylinder flange (5) relative to the axis center line.

3. The water switch device of the water-saving washing machine according to claim 2, characterized in that: The diameter of the drainage hole (14) is 10-50 mm, and the diameter of the guide hole (6) is 5-10 mm.

4. The water switch device of the water-saving washing machine according to claim 1, characterized in that: The guide column (7) and the rubber valve plug (15) form a unit and are tightly connected as a whole. The guide column (7) and the guide hole (6) are movably connected by sliding fit. The outer diameter of the rubber valve plug (15) is larger than the diameter of the drainage hole (14).

5. The water switch device of the water-saving washing machine according to claim 1, characterized in that: A neck-shaped groove is provided at the sliding fit position between the linear shaft (11) and the slide groove (23) of the shift fork rod (12).

6. The water switch device of the water-saving washing machine according to claim 1, characterized in that: The distance between the top of the bellows (9) and the bottom of the water sealing component is more than 3 mm, the axial movement distance of the linear shaft (11) is 5-30 mm, and the axial movement distance of the water sealing component is 5-15 mm.

7. The water switch device of the water-saving washing machine according to claim 1, characterized in that: The power component (17) is a dedicated traction motor.

8. The water switch device of the water-saving washing machine according to claim 1, characterized in that: The shift fork rod (12) and the linear shaft (11) are connected via a pin shaft.

9. A washing machine manufactured using the water switch device of a water-saving washing machine according to any one of claims 1 to 8, characterized in that: It also includes a impeller (3) and an outer cylinder (1), wherein the impeller (3) is concentrically arranged in the inner cylinder (2), and the inner cylinder (2) is concentrically arranged in the outer cylinder (1), the lower side of the outer cylinder (1) is connected to the mounting plate (21) of the deceleration clutch, and the impeller (3) is connected to the impeller shaft (4) of the deceleration clutch.

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