CN109423851B

CN109423851B - Washing machine

Info

Publication number: CN109423851B
Application number: CN201710787342.6A
Authority: CN
Inventors: 严书林; 余德涛; 管学伟
Original assignee: Wuxi Little Swan Electric Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2017-09-04
Filing date: 2017-09-04
Publication date: 2021-04-13
Anticipated expiration: 2037-09-04
Also published as: CN109423851A

Abstract

The present invention provides a washing machine, including: the clutch is arranged on the outer barrel, and the clutch is connected with the inner barrel; a water outlet is formed in the outer barrel and connected with a water drain pipe; the clutch is arranged below the outer barrel and penetrates through the outer barrel to be connected with the inner barrel, a drainage channel communicated with the inner barrel is limited between the inner barrel and the outer barrel, and the drainage channel is communicated with the drainage pipe; the first control valve is arranged at the upstream of the communication part of the drainage channel and the drainage pipe and is used for controlling the connection and disconnection between the drainage channel and the drainage pipe; the second control valve is arranged at the downstream of the communication part of the drainage channel and the drainage pipe and is used for controlling the on-off of the drainage pipe. The washing machine provided by the invention can realize no water between the inner barrel and the outer barrel in the washing process by utilizing the matching of the two control valves, thereby realizing the purpose of water saving, and can realize the communication between the inner barrel and the outer barrel, thereby effectively scouring the outer wall of the inner barrel and the inner wall of the outer barrel, and improving the cleanliness of the washing machine.

Description

Washing machine

Technical Field

The invention relates to the field of household appliances, in particular to a washing machine.

Background

At present, some existing washing machines take an inner barrel as a dewatering barrel and an outer barrel as a water barrel, the inner barrel and the outer barrel are communicated, and only water in the inner barrel is used for washing, so that water waste is caused; in some washing machines, the inner tub is used as a water containing tub, so that the inner tub and the outer tub are separated, and no water exists between the inner tub and the outer tub in the washing process, so that the purpose of saving water is achieved, but the outer wall of the inner tub and the inner wall of the outer tub cannot be effectively washed, and dirt is easily left between the inner tub and the outer tub.

Disclosure of Invention

In order to solve at least one of the above technical problems, an object of the present invention is to provide a washing machine.

In order to achieve the above object, the present invention provides a washing machine comprising: the inner barrel is a water storage barrel; the outer barrel is sleeved outside the inner barrel, a water outlet is formed in the outer barrel, and the water outlet is connected with a water drain pipe; the clutch is arranged below the outer barrel and penetrates through the outer barrel to be connected with the inner barrel, a drainage channel communicated with the inner barrel is limited between the inner barrel and the outer barrel, and the drainage channel is communicated with the drainage pipe; the first control valve is arranged at the upstream of the communication part of the drainage channel and the drainage pipe and is used for controlling the connection and disconnection between the drainage channel and the drainage pipe; and the second control valve is arranged at the downstream of the communication part of the drainage channel and the drainage pipe and is used for controlling the on-off of the drainage pipe.

According to the washing machine provided by the invention, through the arrangement of the two control valves, the water can not only be removed between the inner barrel and the outer barrel in the washing process by utilizing the matching of the two control valves, so that the purpose of water saving is realized, but also the communication between the inner barrel and the outer barrel can be realized, so that the outer wall of the inner barrel and the inner wall of the outer barrel are effectively washed, and the cleanliness of the washing machine is improved; and the user can select the water-saving mode with the inner and outer barrels separated for washing and also can select the common mode with the inner and outer barrels communicated for washing, so that the user can conveniently and reasonably select the water-saving mode according to different types, different qualities or other washing requirements of clothes, and the use comfort of the user is improved.

Specifically, the inner barrel is a water storage barrel, namely the inner barrel can be used for storing water, the whole side wall of the inner barrel is compact and nonporous, or only the upper part of the side wall is provided with a plurality of dewatering holes, so that the water in the inner barrel can not flow into the outer barrel in the washing process; the outer barrel is sleeved on the outer side of the inner barrel, a water outlet is formed in the outer barrel and is connected with a drain pipe, so that water in the outer barrel can be discharged through the drain pipe, the water outlet is preferably positioned at the position close to the edge of the bottom of the outer barrel, gravity drainage is facilitated, and the drain pipe extends outwards for drainage; the clutch is arranged below the outer barrel and penetrates through the outer barrel to be connected with the inner barrel, so that the clutch can drive the inner barrel and a wave wheel or a stirrer in the inner barrel to rotate, and a dewatering function and a washing function are realized; a drainage channel is defined between the inner barrel and the outer barrel, and two ends of the drainage channel are respectively communicated with the inner barrel and the drainage pipe, so that water in the inner barrel can be discharged through the drainage pipe; the first control valve is arranged at the upstream of the communication part of the drainage channel and the drainage pipe, so that the drainage channel can be selectively communicated with the drainage pipe; the second control valve is arranged at the downstream of the communication part of the drainage channel and the drainage pipe, so that the drainage pipe can be selectively communicated, and the water in the inner barrel can enter the outer barrel through the drainage channel, the drainage pipe and the drainage port, thereby realizing the selective communication between the inner barrel and the outer barrel. The specific working principle is as follows:

the scheme for isolating the inner barrel from the outer barrel comprises the following steps: the first control valve and the second control valve are closed, so that the inner barrel is isolated from the outer barrel, the washing machine starts to feed water, water is stored in the inner barrel and the water discharge channel, the water feeding is stopped when the required water amount is reached, and the water can be saved by about 30 percent because the inner barrel is isolated from the outer barrel; after washing is finished, the first control valve and the second control valve are opened, and water in the inner barrel and the water discharge channel is discharged through the water discharge pipe; and after the water drainage is finished, the water enters a dehydration process, and the water in the inner barrel is thrown upwards and enters the outer barrel, enters a water drainage pipe through a water drainage port and is finally discharged.

The inner barrel and the outer barrel are communicated: the first control valve is opened, the second control valve is closed, water starts to enter, water is stored in the inner barrel, the water discharge channel, the water discharge pipe and the outer barrel, the water levels of the inner barrel and the outer barrel are basically kept level, when the required water amount is reached, the water stops entering the washing process, and residual dirt between the inner barrel and the outer barrel can be cleaned due to the fact that water exists between the inner barrel and the outer barrel; after washing is finished, the first control valve and the second control valve are opened, and water in the inner barrel and water in the outer barrel are discharged from the water discharge pipe; and after the water drainage is finished, the water enters a dehydration process, and the water in the inner barrel is thrown upwards and enters the outer barrel, enters a water drainage pipe through a water outlet of the outer barrel and is finally discharged.

In addition, the washing machine in the above technical solution provided by the present invention may further have the following additional technical features:

in the above technical solution, the clutch includes a dewatering shaft, the dewatering shaft passes through the outer tub and is fixedly connected with the inner tub, a baffle assembly surrounding the dewatering shaft is further disposed in a bottom gap between the inner tub and the outer tub, and the baffle assembly and the dewatering shaft define the drainage channel between the inner tub and the outer tub.

The clutch comprises a dewatering shaft which penetrates through the outer barrel and is fixedly connected with the inner barrel, so that the inner barrel can be driven to integrally rotate, water is upwards thrown out into the outer barrel under the action of centrifugal force, and the dewatering function is realized; still be equipped with the baffle subassembly in the bottom clearance between interior bucket and the outer bucket, the baffle subassembly encircles the dehydration axle to with the dehydration axle inject drainage channel in the bottom clearance between interior bucket and outer bucket, therefore drainage channel's volume is less relatively, can not save too much water, so be favorable to using water wisely, and the water in the interior bucket of being convenient for is automatic discharge downwards under the effect of gravity.

In the technical scheme, the inner barrel comprises a barrel body and a connecting disc connected to the bottom of the barrel body, a water outlet hole is formed in the connecting disc, the dewatering shaft is fixedly connected with the connecting disc, the upper end of the baffle plate assembly is fixedly connected with the connecting disc, and the lower end of the baffle plate assembly is fixedly connected with a bottom plate of the outer barrel.

The inner barrel comprises a barrel body and a connecting disc, and a water outlet hole is formed in the connecting disc, so that water in the inner barrel can be automatically discharged under the action of gravity; the dewatering shaft is fixedly connected with the connecting disc to drive the connecting disc to rotate, and further drive the inner barrel to rotate to realize the dewatering function; the upper end of the baffle plate assembly is fixedly connected with the connecting disc, and the lower end of the baffle plate assembly is fixedly connected with the outer barrel bottom plate, so that the stability of the baffle plate assembly is ensured, and the stability of the drainage channel is further ensured.

Of course, the connecting disc is also provided with a through hole, the clutch also comprises a washing shaft, and the washing shaft passes through the through hole and is fixedly connected with the impeller or the stirrer in the inner barrel so as to drive the impeller or the stirrer to rotate and realize the washing function.

In the above technical scheme, the baffle assembly comprises an annular baffle and a sealing assembly in sealing connection with the annular baffle, the annular baffle is located below the connecting disc and is fixedly connected with the connecting disc, and the sealing assembly is located on the outer side of the annular baffle and is fixedly connected with a bottom plate of the outer barrel.

The baffle plate assembly comprises an annular baffle plate and a sealing assembly, the annular baffle plate is positioned below the connecting disc and fixedly connected with the connecting disc, the sealing assembly is positioned outside the annular baffle plate and fixedly connected with a bottom plate of the outer barrel, so that an annular space is defined in a bottom gap between the inner barrel and the outer barrel, a dewatering shaft of the clutch penetrates through the middle part of the annular space, and a gap between the outer wall surface of the dewatering shaft and the inner wall surface of the baffle plate assembly is a drainage channel, so that the water contained in the drainage channel is very limited; and the sealing assembly is connected with the annular baffle in a sealing manner, so that the sealing performance of the drainage channel is effectively ensured, the condition of water leakage of the drainage channel is effectively avoided, and the sealing structure is simple and reliable.

In the above technical solution, the sealing assembly includes an oil seal and a drainage transition piece, the oil seal is disposed outside the annular baffle and supported on the drainage transition piece, and the drainage transition piece is rigidly connected to a bottom plate of the outer tub.

The sealing assembly comprises an oil seal and a drainage transition piece, the oil seal is sleeved on the outer side of the annular baffle plate and plays an effective sealing role on the annular baffle plate, so that the annular baffle plate or the drainage shaft fixedly connected with the connecting disc can rotate in the oil seal without water leakage; the drainage transition piece plays the effect of supporting the oil blanket, guarantees the oil blanket and can not warp or the circumstances such as aversion at will to guaranteed the sealing reliability of oil blanket, it specifically can be through fasteners such as screw and outer bucket bottom plate rigid connection.

Preferably, the longitudinal section of the oil seal is in a step shape and sequentially comprises an upper side wall, a horizontal supporting wall and a lower side wall, the uppermost upper side wall is tightly attached to the outer wall surface of the annular baffle, the middle horizontal supporting wall is pressed at the upper end of the drainage transition piece, and the lowermost lower side wall is tightly attached to the outer wall surface of the drainage transition piece, so that the stability and the reliability of the oil seal are effectively guaranteed.

In the above technical scheme, the clutch includes a drainage shaft sleeved outside the dewatering shaft, and the side wall of the drainage shaft forms the annular baffle.

In the above technical scheme, the drainage shaft further comprises an annular top plate connected with the upper end of the annular baffle, a drainage hole communicated with the water outlet hole is formed in the annular top plate, and the annular top plate is fixedly connected with the connecting disc.

The clutch includes the drainage axle, and the drainage axle sleeve is established in the outside of dehydration axle, and its lateral wall has formed the annular baffle, therefore has injectd drainage channel between the drainage axle of clutch, seal assembly and the dehydration axle, promptly: the structure of the clutch is matched with the sealing assembly to form a drainage channel, so that the structure is simple and easy to realize.

Furthermore, the drainage shaft also comprises an annular top plate, the upper part of the annular space is sealed and covered by the annular top plate, and the annular top plate is communicated with a water outlet hole on the connecting disc of the inner barrel through a water outlet hole formed in the annular top plate, so that water in the inner barrel downwards passes through the water outlet hole and then enters the drainage channel, and the drainage of the water in the inner barrel is facilitated.

Of course, the drainage shaft, the dewatering shaft and the washing shaft are all in inner barrel sealing connection so as to ensure the sealing performance of the drainage channel.

In any of the above technical solutions, the drain channel downwardly penetrates through a bottom plate of the outer tub and is connected to the drain pipe through a connection pipe.

In the above technical solution, the first control valve is disposed on the connection pipe.

The drain channel runs through the outer barrel bottom plate downwards and is connected to the drain pipe through the connecting pipeline, namely: the drainage channel is indirectly communicated with the drainage pipe through the connecting pipeline, so that the position requirements on the drainage channel and the drainage pipe and the shape requirements on the drainage channel are reduced, the drainage channel and the drainage pipe are conveniently and reasonably arranged according to the specific structure of a product, and the product layout is favorably optimized.

Furthermore, as the drainage channel is communicated with the drainage pipe through the connecting pipeline, the connecting part of the connecting pipe and the drainage pipe is the communicating part of the drainage channel and the drainage pipe, and the connecting pipeline and the drainage channel are both positioned at the upstream of the communicating part of the drainage channel and the drainage pipe; because the drainage channel is basically positioned in the gap between the outer barrel and the inner barrel, the shape is irregular, and the space is relatively limited, the first control valve is arranged on the connecting pipeline below the bottom plate of the outer barrel, the structure is simpler, the assembly is more convenient, and the control is more accurate.

In any one of the above technical solutions, the washing machine further includes: a water level sensor for detecting a water level in the inner tub.

In the above technical scheme, the water level sensor is communicated with the drainage channel, and can determine the water level height in the inner barrel according to water pressure or air pressure.

The washing machine also comprises a water level sensor, the water level sensor is used for detecting the water level in the inner barrel, so that the washing machine can reasonably control the working process of the washing machine according to the water level information in the inner barrel, and automatic control is realized. Such as: in the water inlet process, when the water level sensor detects that the water level reaches the required water level, the washing machine stops water inlet and enters the washing process; in the draining process, when the water level sensor detects the water pressure of the empty barrel, the washing machine stops draining and enters the dewatering process.

Specifically, water level sensor is linked together with drainage channel, can come the water level height in the interior bucket through detecting water pressure, also can come the water level height in the interior bucket through atmospheric pressure, and the principle is simple, detects the accuracy, and of course other types of water level sensor also can be adopted, no longer lists one by one here.

Preferably, to the technical scheme that among the above-mentioned technical scheme drainage channel passes through connecting tube and links to each other with the drain pipe, level sensor installs on connecting tube, and the assembly is more convenient, detects also more accurately.

In any of the above technical solutions, the first control valve and the second control valve are solenoid valves, and the solenoid valves are electrically connected with a controller of the washing machine.

The first control valve and the second control valve are electromagnetic valves, and can be automatically opened or closed through the electric connection with the controller, so that the automation degree of the product is further improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a partial sectional view schematically illustrating a washing machine according to some embodiments of the present invention;

FIG. 2 is a schematic top view of a portion of a washing machine according to some embodiments of the present invention;

FIG. 3 is a schematic diagram of a first state of a washing machine according to some embodiments of the present invention in a first mode;

FIG. 4 is a schematic diagram of a second state of the washing machine in a first mode according to some embodiments of the present invention;

FIG. 5 is a schematic diagram of a washing machine according to some embodiments of the present invention in a first state in a second mode;

fig. 6 is a schematic structural view illustrating a first state of a washing machine in a second mode according to some embodiments of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:

10 inner barrel, 11 wave wheel, 20 outer barrel, 21 water outlet, 22 water outlet pipe, 23 bottom plate, 30 clutch, 31 water outlet shaft, 32 washing shaft, 33 water outlet shaft, 331 annular baffle plate, 332 annular top plate, 333 water outlet hole, 40 water outlet channel, 50 connecting pipeline, 60 first control valve, 70 second control valve, 80 sealing component, 81 oil seal, 811 upper side wall, 812 horizontal supporting wall, 813 lower side wall, 82 water outlet transition piece and 90 water level sensor;

wherein the arrows in fig. 1, 4 and 6 indicate the flow direction of the water.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A washing machine according to some embodiments of the present invention will be described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, the present invention provides a washing machine, including: an inner tub 10, an outer tub 20, a clutch 30, a first control valve 60, and a second control valve 70.

Specifically, the inner barrel 10 is a water storage barrel; the outer barrel 20 is sleeved outside the inner barrel 10, a water outlet 21 is arranged on the outer barrel 20, and the water outlet 21 is connected with a drain pipe 22; the clutch 30 is installed below the outer tub 20 and connected with the inner tub 10 through the outer tub 20, and a drain passage 40 communicated with the inner tub 10 is defined between the outer tub 20 and the inner tub 10, the drain passage 40 being communicated with the drain pipe 22, as shown in fig. 2; the first control valve 60 is provided upstream of a communication portion of the drain passage 40 and the drain pipe 22, as shown in fig. 3 to 6, for controlling on/off between the drain passage 40 and the drain pipe 22; the second control valve 70 is provided downstream of a communication portion of the drain passage 40 and the drain pipe 22, as shown in fig. 3 to 6, for controlling the opening and closing of the drain pipe 22.

According to the washing machine provided by the invention, through arranging the two control valves, the water is not available between the inner barrel 10 and the outer barrel 20 in the washing process by utilizing the matching of the two control valves, as shown in figure 3, so that the purpose of water saving is realized, and the communication between the inner barrel 10 and the outer barrel 20 is realized, as shown in figure 5, so that the outer wall of the inner barrel 10 and the inner wall of the outer barrel 20 are effectively washed, and the cleanliness of the washing machine is improved; and the user can select the water-saving mode of the inner and outer barrels 20 for washing, and also can select the common mode of the inner and outer barrels 20 for washing, so that the user can select the mode reasonably according to different types, qualities or other washing requirements of clothes, thereby improving the use comfort of the user.

Specifically, the inner tub 10 is a water storage tub, that is, the inner tub 10 can be used for storing water, and the whole sidewall thereof is dense and non-porous, or only some dewatering holes are formed at the upper part of the sidewall, so as to ensure that water in the inner tub 10 does not flow into the outer tub 20 during the washing process; the outer barrel 20 is sleeved outside the inner barrel 10, a water outlet 21 is formed in the outer barrel 20, the water outlet 21 is connected with a water drainage pipe 22, water in the outer barrel 20 can be drained through the water drainage pipe 22, the water outlet 21 is preferably located at the position close to the edge of the bottom of the outer barrel 20, gravity drainage is facilitated, and the water drainage pipe 22 extends outwards for drainage; the clutch 30 is installed below the outer tub 20 and connected with the inner tub 10 by penetrating through the outer tub 20, ensuring that the clutch 30 can drive the inner tub 10 and the pulsator 11 or agitator in the inner tub 10 to rotate, thereby realizing the dehydration function and the washing function; a drainage channel 40 is defined between the inner barrel 10 and the outer barrel 20, and two ends of the drainage channel 40 are respectively communicated with the inner barrel 10 and the drainage pipe 22, so that water in the inner barrel 10 can be discharged through the drainage pipe 22; the first control valve 60 is provided upstream of a portion where the drain passage 40 communicates with the drain pipe 22, ensuring that the drain passage 40 can selectively communicate with the drain pipe 22; the second control valve 70 is disposed downstream of a communication portion of the drain passage 40 and the drain pipe 22, and ensures that the drain pipe 22 can be selectively conducted and that water in the inner tub 10 can enter the outer tub 20 through the drain passage 40, the drain pipe 22 and the drain opening 21, thereby achieving selective communication between the inner tub 10 and the outer tub 20. The specific working principle is as follows:

inner and outer barrel 20 isolation scheme: the first control valve 60 and the second control valve 70 are closed to isolate the inner tub 10 from the outer tub 20, the washing machine starts to feed water, and the water is stored in the inner tub 10 and the drain passage 40, as shown in fig. 3, the water feeding is stopped to enter the washing process when the required water amount is reached, and about 30% of water can be saved because the inner tub 10 is isolated from the outer tub 20; after washing is completed, the first control valve 60 and the second control valve 70 are opened, and water in the inner tub 10 and the drain passage 40 is drained through the drain pipe 22, as shown in fig. 4; after the drainage is finished, the water enters the dewatering process, the water in the inner barrel 10 is thrown upwards and enters the outer barrel 20, enters the drain pipe 22 through the drain port 21 and is finally discharged.

Inner and outer barrel 20 intercommunication scheme: the first control valve 60 is opened and the second control valve 70 is closed to start water inflow, water is stored in the inner tub 10, the drain passage 40, the drain pipe 22 and the outer tub 20, and the water levels of the inner and outer tubs 20 are substantially leveled, as shown in fig. 5, when the required water amount is reached, the inflow of water is stopped to enter the washing process, and since water exists between the inner and outer tubs 20, residual dirt between the inner and outer tubs 20 can be cleaned; when the washing is finished, the first control valve 60 and the second control valve 70 are opened, and both the water in the inner tub 10 and the water in the outer tub 20 are discharged through the drain pipe 22, as shown in fig. 6; after the water is drained, the water enters the dewatering process, and the water in the inner barrel 10 is thrown upwards and enters the outer barrel 20, enters the drain pipe 22 through the drain port 21 of the outer barrel 20 and is finally discharged.

Further, the clutch 30 includes a dewatering shaft 31, the dewatering shaft 31 penetrates through the outer tub 20 and is fixedly connected with the inner tub 10, a baffle assembly surrounding the dewatering shaft 31 is further disposed in a bottom gap between the outer tub 20 and the inner tub 10, and a drainage channel 40 is defined between the outer tub 20 and the inner tub 10 by the baffle assembly and the dewatering shaft 31, as shown in fig. 1.

The clutch 30 includes a dewatering shaft 31, the dewatering shaft 31 passes through the outer tub 20 and is fixedly connected with the inner tub 10, so that the inner tub 10 can be driven to integrally rotate, water is thrown upwards into the outer tub 20 under the action of centrifugal force, and a dewatering function is realized; the bottom clearance between the inner barrel 10 and the outer barrel 20 is also provided with a baffle plate assembly, the baffle plate assembly surrounds the dewatering shaft 31, and the dewatering shaft 31 defines the drainage channel 40 in the bottom clearance between the inner barrel 10 and the outer barrel 20, so that the volume of the drainage channel 40 is relatively small, excessive water cannot be stored, water is saved, and water in the inner barrel 10 can be discharged downwards automatically under the action of gravity.

Further, the inner barrel 10 comprises a barrel body and a connecting disc connected to the bottom of the barrel body, a water outlet hole is formed in the connecting disc, the dewatering shaft 31 is fixedly connected with the connecting disc, the upper end of the baffle plate assembly is fixedly connected with the connecting disc, and the lower end of the baffle plate assembly is fixedly connected with the bottom plate 23 of the outer barrel 20, as shown in fig. 1.

The inner barrel 10 comprises a barrel body and a connecting disc, and a water outlet hole is formed in the connecting disc, so that water in the inner barrel 10 can be automatically discharged under the action of gravity; the dewatering shaft 31 is fixedly connected with the connecting disc to drive the connecting disc to rotate, and further drive the inner barrel 10 to rotate to realize the dewatering function; the upper end of the baffle plate assembly is fixedly connected with the connecting disc, and the lower end of the baffle plate assembly is fixedly connected with the bottom plate 23 of the outer barrel 20, so that the stability of the baffle plate assembly is ensured, and the stability of the drainage channel 40 is further ensured.

Certainly, the connecting disc is further provided with a through hole, the clutch 30 further comprises a washing shaft 32, and the washing shaft 32 penetrates through the through hole to be fixedly connected with the pulsator 11 or the stirrer in the inner barrel 10 so as to drive the pulsator 11 or the stirrer to rotate, thereby realizing the washing function.

Specifically, as shown in fig. 1, the baffle assembly includes an annular baffle 331 and a sealing assembly 80 hermetically connected to the annular baffle 331, the annular baffle 331 is located below the connecting disc and fixedly connected to the connecting disc, and the sealing assembly 80 is located outside the annular baffle 331 and fixedly connected to the bottom plate 23 of the outer tub 20.

The baffle assembly comprises an annular baffle 331 and a sealing assembly 80, the annular baffle 331 is positioned below the connecting disc and fixedly connected with the connecting disc, the sealing assembly 80 is positioned outside the annular baffle 331 and fixedly connected with a bottom plate 23 of the outer barrel 20, so that an annular space is enclosed in a bottom gap between the inner barrel 10 and the outer barrel 20, the dewatering shaft 31 of the clutch 30 penetrates through the middle part of the annular space, and a gap between the outer wall surface of the dewatering shaft and the inner wall surface of the baffle assembly is the drainage channel 40, so that the water contained in the drainage channel 40 is very limited; and the sealing component 80 is connected with the annular baffle 331 in a sealing way, so that the sealing performance of the drainage channel 40 is effectively ensured, the condition that the drainage channel 40 leaks water is effectively avoided, and the sealing structure is simple and reliable.

Wherein, the sealing assembly 80 comprises an oil seal 81 and a drainage transition piece 82, as shown in fig. 1, the oil seal 81 is sleeved outside the annular baffle 331 and supported on the drainage transition piece 82, and the drainage transition piece 82 is rigidly connected with the bottom plate 23 of the outer tub 20.

The sealing assembly 80 comprises an oil seal 81 and a drainage transition piece 82, wherein the oil seal 81 is sleeved outside the annular baffle 331 and plays an effective sealing role for the annular baffle 331, so that the annular baffle 331 or the drainage shaft 33 fixedly connected with the connecting disc can rotate in the oil seal 81 without water leakage; the drainage transition piece 82 plays a role in supporting the oil seal 81, and ensures that the oil seal 81 cannot deform or shift randomly, so that the sealing reliability of the oil seal 81 is ensured, and the drainage transition piece can be rigidly connected with the bottom plate 23 of the outer barrel 20 through fasteners such as screws; and the oil seal 81, the drainage transition piece 82 and the bottom plate 23 of the outer tub 20 are connected together, so that the same clutch 30 can be adopted by different machine types, thereby improving the universality of the clutch 30.

Preferably, the longitudinal section of the oil seal 81 is stepped and includes an upper side wall 811, a horizontal support wall 812 and a lower side wall 813 in sequence, as shown in fig. 1, the uppermost upper side wall 811 closely fits the outer wall surface of the annular baffle 331, the middle horizontal support wall 812 is pressed against the upper end of the drainage transition piece 82, and the lowermost lower side wall 813 closely fits the outer wall surface of the drainage transition piece 82, thereby effectively ensuring the stability and reliability of the oil seal 81.

Preferably, the clutch 30 includes a drainage shaft 33 disposed outside the dewatering shaft 31, and a ring-shaped baffle 331 is formed on a side wall of the drainage shaft 33, as shown in fig. 1.

Further, the drainage shaft 33 further includes an annular top plate 332 connected to the upper end of the annular baffle 331, as shown in fig. 1, a drainage hole 333 communicated with the drainage hole is formed in the annular top plate 332, and the annular top plate 332 is fixedly connected to the connecting disc.

The clutch 30 includes a drain shaft 33, the drain shaft 33 is disposed outside the dehydrating shaft 31, and a ring-shaped baffle 331 is formed on a sidewall thereof, so that the drain passage 40 is defined between the drain shaft 33 of the clutch 30, the sealing assembly 80 and the dehydrating shaft 31, that is: the drainage channel 40 can be formed by matching the structure of the clutch 30 and the sealing assembly 80, and the structure is simple and easy to realize.

Further, the drainage shaft 33 further includes an annular top plate 332, the annular top plate 332 covers the upper portion of the annular space and is communicated with the water outlet hole on the connecting disc of the inner tub 10 through the water outlet hole 333 formed thereon, so that water in the inner tub 10 passes through the water outlet hole 333 downwards to enter the drainage channel 40, which is beneficial to draining water in the inner tub 10.

Of course, the drain shaft 33, the dehydrating shaft 31, and the washing shaft 32 are all hermetically connected to the inner tub 10 to ensure the sealing property of the drain passage 40.

Further, the drain passage 40 downwardly penetrates the bottom plate 23 of the outer tub 20 and is connected to the drain pipe 22 through the connection pipe 50, as shown in fig. 1.

Wherein the first control valve 60 is provided on the connection pipe 50, as shown in fig. 3 to 6.

The drain passage 40 downwardly penetrates the bottom plate 23 of the outer tub 20 and is connected to the drain pipe 22 through a connection pipe 50, that is: the drainage channel 40 is indirectly communicated with the drainage pipe 22 through the connecting pipeline 50, so that the position requirements of the drainage channel 40 and the drainage pipe 22 and the shape requirements of the drainage channel 40 are reduced, the drainage channel 40 and the drainage pipe 22 are conveniently and reasonably arranged according to the specific structure of a product, and the optimization of the product layout is facilitated.

Further, since the drainage channel 40 is communicated with the drainage pipe 22 through the connecting pipe 50, the connecting portion of the connecting pipe and the drainage pipe 22 is the communicating portion of the drainage channel 40 and the drainage pipe 22, and therefore the connecting pipe 50 and the drainage channel 40 are both located upstream of the communicating portion of the drainage channel 40 and the drainage pipe 22; since the drainage channel 40 is substantially located in the gap between the outer tub 20 and the inner tub 10, the shape is irregular, and the space is relatively limited, the first control valve 60 is disposed on the connection pipe 50 under the bottom plate 23 of the outer tub 20, the structure is simpler, the assembly is more convenient, and the control is more accurate.

Further, the washing machine further includes: the water level sensor 90, as shown in fig. 3 to 6, detects the water level in the inner tub 10.

Wherein, the water level sensor 90 is communicated with the drain passage 40, and can determine the water level in the inner tub 10 according to the water pressure or air pressure.

The washing machine further comprises a water level sensor 90, the water level sensor 90 is used for detecting the water level in the inner barrel 10, the washing machine can conveniently and reasonably control the working process of the washing machine according to the water level information in the inner barrel 10, and automatic control is achieved. Such as: in the water inlet process, when the water level sensor 90 detects that the required water level is reached, the washing machine stops water inlet and enters the washing process; in the draining process, when the water level sensor 90 detects the water pressure of the empty tub, the washing machine stops draining and enters the dehydrating process.

Specifically, the water level sensor 90 is in communication with the drainage channel 40, and can determine the water level in the inner tub 10 by detecting water pressure or air pressure, and the principle is simple, and the detection is accurate, and of course, other types of water level sensors 90 may be adopted, which are not listed here.

Preferably, for the embodiment in which the drain passage 40 is connected to the drain pipe 22 through the connection pipe 50 as in the above-described embodiment, the water level sensor 90 is mounted on the connection pipe 50, as shown in fig. 3 to 6, so that the assembly is more convenient and the detection is more accurate.

Preferably, the first and

second control valves

60 and 70 are solenoid valves, which are electrically connected with a controller of the washing machine.

The first control valve 60 and the second control valve 70 are both solenoid valves, and can be automatically opened or closed through electrical connection with a controller, so that the automation degree of the product is further improved.

The structure and the working principle of the washing machine provided by the present application are described in detail below by taking a pulsator washing machine as an example.

20 in the third drawing shows a tub; in the third diagram, 10 is as follows: the inner barrel is a sealed inner barrel without holes; in the third diagram, 11 is as follows: an impeller; in the third diagram, 30 is as follows: a motor clutch; in the third diagram 90 is shown as: the water level sensor can detect water pressure or air pressure to judge the height of the water level and is arranged at the drainage channel of the clutch; 60 in diagram three is shown as: a drain valve 1 (i.e., a first control valve) by which opening and closing of the drain passage can be controlled; in the second diagram 30 is shown as: the clutch, 23 in the second figure is shown as: a base plate; in the third diagram 70, a drain valve 2 (i.e. a second control valve) is shown, which is used for controlling the water communication in the inner and outer tub.

In the first diagram 32 are shown: washing the shaft; in the first diagram 33 is shown: the drainage shaft is provided with a drainage hole; in the first diagram 31 are shown: the dewatering shaft, the dewatering shaft and the drainage shaft are rigidly connected with the inner barrel and sealed; in the first diagram 81 are shown: the oil seal and the drainage shaft can rotate in the oil seal, and water leakage is avoided; shown at 82 in diagram one are: a drainage transition piece; in the first diagram, 23 is as follows: a base plate; the oil seal shown at 81 in the first illustration is matched with the drainage transition piece shown at 82 in the first illustration, and the drainage transition piece is used for supporting the oil seal; the drainage transition piece shown at 82 in the first illustration is rigidly connected to the bottom plate shown at 23 in the first illustration. The oil seal, the drainage transition piece and the bottom plate form a bottom plate sealing assembly, a drainage channel is formed by the bottom plate sealing assembly, the clutch shown as 30 in the second drawing and the drainage shaft shown as 33 in the third drawing, and the oil seal, the drainage transition piece and the bottom plate are connected together, so that the universal clutch with different capacity sections can be used.

The water-saving scheme is as follows:

and (3) washing process:

the water discharge valves 1, 2 are closed to start water inflow, and water is stored in the inner tub and the bottom plate water discharge passage, as shown in fig. 3. When the water level sensor detects that the required water level is reached, water feeding is stopped, washing is started, and the impeller starts to stir.

And (3) a drainage process:

the drain valves 1 and 2 are opened, and drain water in the directions of the four arrows shown in the figure, and the water is discharged into the outer tub from the bottom plate drain channel and discharged from the outer tub drain port, and as shown in fig. 4, when the water level sensor detects the water pressure of the empty tub, the water starts to drain and the dewatering is performed.

And (3) dehydrating:

during dewatering, the motor drives the dewatering shaft, the drainage shaft and the inner barrel on the clutch to rotate, and water is thrown out of the inner barrel from the upper part of the inner barrel.

The inner and outer barrel intercommunication scheme is implemented as follows: (can realize washing the inner barrel and the outer barrel, cleaning the barrel wall)

And (3) washing process:

the drain valve 1 is opened and the drain valve 2 is closed to start water inflow, and water is stored in the inner tub, the outer tub, and the bottom plate drain passage, as shown in fig. 5. When the water level sensor detects that the required water level is reached, the water inlet is stopped, the washing is started, and the impeller starts to stir

And (3) a drainage process:

the drain valves 1 and 2 are opened, and drain water in the directions of the six arrows shown in the figure, and the water is discharged into the outer tub from the bottom plate drain channel and discharged from the outer tub drain port, and as shown in fig. 6, when the water level sensor detects the water pressure of the empty tub, the water starts to be drained and the dewatering is performed.

And (3) dehydrating:

Therefore, the impeller type washing machine achieves the purposes of saving water and flushing the wall of the barrel by realizing the communication between the inner barrel and the outer barrel in the washing process when the inner barrel and the outer barrel of the impeller type washing machine are not used with water in the washing process; the speed reduction clutch is reasonably arranged, so that the washing machine can automatically realize washing actions such as washing, draining, dewatering and the like, and the reliability of the washing machine is improved.

In summary, the washing machine provided by the invention has the advantages that by arranging the two control valves, the cooperation of the two control valves can realize that no water exists between the inner barrel and the outer barrel in the washing process, so that the purpose of water saving is realized, and the communication between the inner barrel and the outer barrel can be realized, so that the outer wall of the inner barrel and the inner wall of the outer barrel are effectively washed, and the cleanliness of the washing machine is improved; and the user can select the water-saving mode with the inner and outer barrels separated for washing and also can select the common mode with the inner and outer barrels communicated for washing, so that the user can conveniently and reasonably select the water-saving mode according to different types, different qualities or other washing requirements of clothes, and the use comfort of the user is improved.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A washing machine, characterized by comprising:

the inner barrel (10), the said inner barrel (10) is a water storage barrel;

the outer barrel (20) is sleeved on the outer side of the inner barrel (10), a water outlet (21) is formed in the outer barrel (20), and the water outlet (21) is connected with a water drain pipe (22);

a clutch (30) installed below the outer tub (20) and connected to the inner tub (10) through the outer tub (20), and a drain passage (40) communicated with the inner tub (10) is defined between the inner tub (10) and the outer tub (20), the drain passage (40) being communicated with the drain pipe (22);

a first control valve (60) which is arranged at the upstream of the communication part of the drainage channel (40) and the drainage pipe (22) and is used for controlling the connection and disconnection between the drainage channel (40) and the drainage pipe (22);

a second control valve (70) which is arranged at the downstream of the communication part of the drainage channel (40) and the drainage pipe (22) and is used for controlling the on-off of the drainage pipe (22);

the clutch (30) comprises a dewatering shaft (31), and a baffle plate assembly surrounding the dewatering shaft (31) is further arranged in a bottom gap between the inner barrel (10) and the outer barrel (20);

the inner barrel (10) comprises a barrel body and a connecting disc connected to the bottom of the barrel body, and the upper end of the baffle plate assembly is fixedly connected with the connecting disc;

the baffle plate assembly comprises an annular baffle plate (331) and a sealing assembly (80) connected with the annular baffle plate (331) in a sealing mode, the sealing assembly (80) comprises an oil seal (81), and the oil seal (81) is sleeved on the outer side of the annular baffle plate (331);

the clutch (30) comprises a drainage shaft (33) sleeved outside the dewatering shaft (31), and the side wall of the drainage shaft (33) forms the annular baffle (331);

the drainage shaft (33) further comprises an annular top plate (332) connected with the upper end of the annular baffle plate (331), and the annular top plate (332) is fixedly connected with the connecting disc.

2. The washing machine as claimed in claim 1,

the dewatering shaft (31) penetrates through the outer barrel (20) to be fixedly connected with the inner barrel (10), and the baffle plate assembly and the dewatering shaft (31) define the drainage channel (40) between the inner barrel (10) and the outer barrel (20).

3. A washing machine according to claim 2,

the water outlet hole is formed in the connecting disc, the dewatering shaft (31) is fixedly connected with the connecting disc, and the lower end of the baffle plate assembly is fixedly connected with the bottom plate (23) of the outer barrel (20).

4. A washing machine according to claim 3,

the annular baffle (331) is located below the connecting disc and fixedly connected with the connecting disc, and the sealing assembly (80) is located outside the annular baffle (331) and fixedly connected with a bottom plate (23) of the outer barrel (20).

5. A washing machine according to claim 4,

the sealing assembly (80) further comprises a drainage transition piece (82), the oil seal (81) is supported on the drainage transition piece (82), and the drainage transition piece (82) is rigidly connected with the bottom plate (23) of the outer barrel (20).

6. A washing machine according to claim 3,

and a water discharge hole (333) communicated with the water outlet hole is formed in the annular top plate (332).

7. A washing machine according to any one of claims 1 to 6,

the drain passage (40) downwardly penetrates a bottom plate (23) of the outer tub (20) and is connected to the drain pipe (22) through a connection pipe (50).

8. A washing machine according to claim 7,

the first control valve (60) is provided on the connection pipe (50).

9. The washing machine as claimed in any one of claims 1 to 6, further comprising:

a water level sensor (90) for detecting a water level in the inner tub (10).

10. The washing machine as claimed in claim 9,

the water level sensor (90) is communicated with the drainage channel (40) and can determine the water level height in the inner barrel (10) according to water pressure or air pressure.

11. A washing machine according to any one of claims 1 to 6,

the first control valve (60) and the second control valve (70) are solenoid valves electrically connected with a controller of the washing machine.