CN108797025B

CN108797025B - Washing machine

Info

Publication number: CN108797025B
Application number: CN201711006298.7A
Authority: CN
Inventors: 徐文冰; 许升
Original assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd
Priority date: 2017-04-28
Filing date: 2017-10-25
Publication date: 2022-03-18
Anticipated expiration: 2037-10-25
Also published as: CN108797025A

Abstract

The invention relates to a washing machine.A door cover is arranged on a shell of the washing machine, an inner cylinder outer cover which can stretch towards the inner cylinder direction is arranged on the inner side of the door cover, a water outlet which is communicated with the inner part of the inner cylinder is arranged at the position of a cylinder opening of the inner cylinder, and the inner cylinder outer cover can stretch under the action of a driving mechanism to block or open the water outlet so as to discharge water contained in the inner cylinder from the water outlet. Through the arrangement, the outer cover of the inner cylinder can generate telescopic displacement along the axial direction of the inner cylinder relative to the door cover, and is correspondingly attached to or separated from the opening of the inner cylinder in the telescopic process of the door cover, so that the water outlet is blocked, and the water stored in the inner cylinder is used for normal washing of the washing machine; or opening the water outlet and discharging the washing water in the inner cylinder. Meanwhile, the washing water is only contained in the inner barrel in the washing process of the washing machine, so that the pollution of the washing water to the outer wall of the inner barrel is avoided, and the washing cleanliness of the washing machine is improved. In addition, the outer cylinder is not needed to be sleeved outside the inner cylinder, the volume of the inner cylinder is increased, and the washing capacity of the washing machine is improved.

Description

Washing machine

Technical Field

The invention belongs to the technical field of washing machines, particularly relates to a washing machine which is only provided with a rotatable inner barrel capable of containing water, and particularly relates to a door cover structure of the washing machine.

Background

In the prior art, a drum washing machine generally comprises an inner drum and an outer drum which are mutually sleeved, wherein the outer drum is sealed and used for containing water, and the inner drum is used for containing clothes and beating and washing the clothes by rotating the inner drum; meanwhile, the inner barrel is provided with dehydration holes, so that water in the outer barrel flows into the inner barrel through the dehydration holes to soak the clothes in the inner barrel, the water in the inner barrel flows out of the outer barrel through the dehydration holes, and moisture on the clothes in the inner barrel is discharged to the outer barrel through the dehydration holes when the inner barrel rotates at a high speed, so that the aim of washing the clothes is fulfilled.

However, because the inner cylinder and the outer cylinder are mutually sleeved, dirt is easily accumulated between the inner cylinder and the outer cylinder in the use process of the washing machine; meanwhile, because the inner drum and the outer drum are mutually sleeved, a user cannot clean the outer wall of the inner drum and the inner wall of the outer drum, so that bacteria in the washing machine are increased, and the washing efficiency of the washing machine and the cleanliness of washed clothes are reduced.

Meanwhile, in the existing washing machine, the outer cylinder is sleeved outside the inner cylinder, and clothes are beaten and washed through the rotation of the inner cylinder in the washing process of the washing machine, so that the washing capacity of the washing machine is based on the inner cylinder, the utilization rate of the internal space of the washing machine is low, and the washing capacity of the washing machine cannot be expanded on the existing basis.

In view of this, how to provide a washing machine, so as to integrate the inner and outer drums, and make the inner drum be a sealed container, which can not only contain water and clothes, but also rotate to beat the clothes for washing; meanwhile, because the washing machine is not provided with the outer cylinder or the outer cylinder and the washing machine shell are integrally arranged, the inner cylinder of the washing machine can be expanded to expand the washing capacity of the washing machine, and the development hotspot is generated.

However, since the inner tub is not only used for containing washing water, but also rotated to beat and clean clothes in the tub, how to provide a drainage structure suitable for the above washing machine becomes a problem to be solved urgently.

The present application is particularly proposed in view of the above technical drawbacks.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a washing machine, so that the aim of discharging the contained water in the inner barrel from a water outlet arranged at the opening of the inner barrel in a controllable manner is fulfilled, the problem of how to discharge the water flow separated from clothes in the inner barrel is solved, and the aims of sealing the opening of the rotatable inner barrel, preventing the water from entering the inner barrel during the normal working process of the washing machine from leaking and discharging the washing water in the inner barrel through the water outlet during the dewatering of the washing machine are fulfilled; meanwhile, the inner drum and the outer drum of the drum washing machine are combined into a whole, so that the aim of expanding the washing capacity of the washing machine is fulfilled.

In order to solve the technical problems and achieve the technical effects, the basic design idea of the technical scheme adopted by the invention is as follows:

a door cover is arranged on a shell of a washing machine, an inner barrel outer cover which can stretch towards the inner barrel direction is arranged on the inner side of the door cover, a water outlet communicated with the inside of the inner barrel is arranged at the position of a barrel opening of the inner barrel, and the inner barrel outer cover can stretch under the action of a driving mechanism to block or open the water outlet so that water contained in the inner barrel is discharged from the water outlet.

Further, the inner cylinder is a conical cylinder with the diameter gradually narrowing from the cylinder opening of the inner cylinder to the cylinder bottom direction, and a plurality of water outlets are formed in the periphery of the cylinder opening of the inner cylinder; the outer cover of the inner cylinder is arranged corresponding to the outer wall of the opening of the inner cylinder, so that when the outer cover of the inner cylinder extends and moves towards the direction of the inner cylinder, the outer cover of the inner cylinder is correspondingly attached to the outer wall of the opening of the inner cylinder provided with the water outlet, and the water outlet is sealed;

preferably, the water outlets are arranged at equal angular intervals on the outer periphery of the cylindrical opening of the inner cylinder.

Furthermore, the opening of the inner cylinder is a conical structure with the diameter gradually reduced from the front part to the rear part of the washing machine, the middle opening of the conical structure forms a clothes throwing opening of the inner cylinder, and the periphery of the conical structure is connected with the side wall of the inner cylinder; the water outlet is arranged on the cone and penetrates through the cone;

preferably, the water outlets are symmetrically distributed at the periphery of the conical structure at equal intervals relative to the center.

Further, the center of the inner side of the door cover is connected with an inner cylinder outer cover through a driving mechanism, the inner cylinder outer cover and the inner cylinder are coaxially arranged, and the inner cylinder outer cover comprises a sealing part in limit contact with a cylinder opening of the inner cylinder and an installation part for connecting the sealing part with the driving mechanism;

preferably, the sealing part is a conical plate, the inner wall of the conical plate is correspondingly attached to the outer wall of the conical structure forming the opening of the inner cylinder, and when the sealing part is buckled at the opening of the inner cylinder, the sealing part blocks the water outlet formed in the opening of the inner cylinder.

Furthermore, the driving mechanism is a wax motor, the wax motor is arranged in the center of the inner side of the door cover, the output end of the wax motor extends along the axial direction of the inner cylinder and is connected with the outer cover of the inner cylinder, so that the output end of the wax motor which can move in a telescopic way drives the outer cover of the inner cylinder to move in a telescopic way towards the opening of the inner cylinder, and the water outlet is blocked or opened by the outer cover of the inner cylinder.

Further, the driving mechanism comprises an electromagnet arranged on the door cover, the outer cover of the inner cylinder is provided with a magnet, the magnet and the electromagnet are arranged correspondingly, and the electromagnet is changed to be in an on-off state, so that the magnetic driving force generated by the electromagnet drives the outer cover of the inner cylinder to stretch and move, and the water outlet is blocked or opened by the outer cover of the inner cylinder;

preferably, the electromagnet can apply repulsion force towards the inner cylinder direction to the inner cylinder outer cover so as to push the inner cylinder outer cover to be attached to the opening of the inner cylinder, so that a water outlet arranged at the opening of the inner cylinder is blocked by the inner cylinder outer cover; the electromagnet can also apply a suction force to the outer cover of the inner cylinder in the opposite direction of the inner cylinder so as to pull the outer cover of the inner cylinder to be separated from the opening of the inner cylinder and open the water outlet arranged at the opening of the inner cylinder.

Further, the door cover is also provided with an inner cylinder inner cover, the inner cylinder inner cover is connected with the door cover through an elastic mechanism, and an elastic force is applied to the inner cylinder inner cover after the door cover is closed to drive the inner cylinder inner cover to be buckled at the clothes throwing-in opening of the inner cylinder opening, so that the clothes throwing-in opening of the inner cylinder opening is buckled by the inner cylinder inner cover in a sealing way.

Furthermore, the inner cylinder outer cover and the inner cylinder inner cover are sequentially arranged on the inner side of the door cover through a rotating shaft, one end of the rotating shaft is fixed with the door cover, and the other end of the rotating shaft is rotatably hinged with the center of the inner cylinder inner cover after penetrating through the inner cylinder outer cover, so that the inner cylinder inner cover can rotate together with the inner cylinder after being tightly buckled at the opening of the inner cylinder.

Further, the center of the bottom of the inner cylinder is arranged on the inner cylinder supporting piece through a rotating shaft, so that the inner cylinder can rotate around the shaft of the inner cylinder under the action of a driving motor arranged at the end part of the rotating shaft; the rotating shaft is hollow, one end of the hollow part is communicated with the inner barrel of the washing machine, and the other end of the hollow part is communicated with the water inlet pipe of the washing machine, so that water can enter the inner barrel of the washing machine from the hollow rotating shaft.

Furthermore, the rotating shaft is composed of three layers of sleeves which are sequentially sleeved from inside to outside, a water inlet hole communicated with a water inlet pipe of the washing machine and forming the inner cylinder is formed in the inner layer sleeve, a flow passage between the inner layer sleeve and the middle layer sleeve forms an air inlet hole of the inner cylinder, and a flow passage between the middle layer sleeve and the outer layer sleeve forms an air outlet hole of the inner cylinder.

Compared with the washing machine in the prior art, the washing machine of the invention has the following beneficial effects:

the drainage port is arranged at the opening of the inner barrel, and the outer cover of the inner barrel, which corresponds to the drainage port and can be stretched and moved, is arranged on the inner side of the door cover, so that the outer cover of the inner barrel can be stretched and moved along the axial direction of the inner barrel relative to the door cover, and is correspondingly attached to or separated from the opening of the inner barrel in the stretching process of the door cover, and the blockage of the drainage port and the water storage in the inner barrel are realized for normal washing of the washing machine; or opening the water outlet and discharging the washing water in the inner cylinder. Therefore, the effects of sealing the inner cylinder in the rotation process of the inner cylinder and normally discharging the water contained in the inner cylinder when the drain valve is opened during water drainage are realized, and the aim of normally draining the water of the washing machine with double effects of rotation of the inner cylinder and water containing is fulfilled; meanwhile, the inner cover of the inner cylinder can realize corresponding actions of opening or closing a water outlet arranged at the opening of the inner cylinder under the action of the driving mechanism, so that the driving mechanism acts to realize the purpose of automatically controlling the water storage or discharge of the inner cylinder of the washing machine; in addition, the outer cylinder is not needed to be sleeved outside the inner cylinder, the volume of the inner cylinder is increased, and the washing capacity of the washing machine is improved.

In order to make the design concept of the technical scheme of the invention clearer and facilitate further understanding of the beneficial effects brought by the technical scheme, the following detailed description of some specific embodiments of the invention is made with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic structural view of a washing machine in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a door of a washing machine according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the door of the washing machine shown in FIG. 2, taken along line D-D, according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure of the rotating shaft in the embodiment of the invention.

The figure is marked with: 1. the device comprises an inner cylinder, 2, a shell, 3, an inner cylinder support, 4, a door cover, 5, an inner cylinder outer cover, 6, an inner cylinder inner cover, 7, a water outlet, 8, a rotating shaft, 9, a wax motor, 10, a rotating shaft, 11, an inner layer sleeve, 12, a middle layer sleeve, 13, an outer layer sleeve, 14, a water inlet, 15, an air inlet, 16, an air outlet, 17, a sealing part, 18, an installation part, 101, an inner cylinder opening, 102, an inner cylinder bottom, 103 and an inner cylinder side wall.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1 to 4, the embodiment describes a washing machine, the washing machine includes a housing 2, an inner cylinder 1 is arranged in the housing 2, an axis of the inner cylinder 1 extends horizontally or inclines downwards from front to back, an inner cylinder opening 101 is arranged at the front end of the inner cylinder 1 in an opening way, and an inner cylinder bottom 102 is arranged at the rear end in a sealing way; the wall of the inner cylinder 1 is not provided with a through hole, so that the inner part of the inner cylinder 1 forms a sealed container only the front part of which is provided with a clothes throwing opening. Meanwhile, the front end of the washing machine shell 2 is provided with a door cover 4 which can be opened outwards, so as to seal the inner cylinder opening 101 after the door cover 4 is closed, and to throw clothes into the inner cylinder 1 from a clothes throwing opening arranged on the inner cylinder opening 101 after the door cover 4 is opened. The rear end of the inner barrel 1 is arranged in the washing machine shell 2 through the inner barrel supporting piece 3, the inner barrel supporting piece 3 and the rear end of the inner barrel 1 are coaxially arranged, the upper end and the lower end of the inner barrel supporting piece 3 are respectively bent towards the barrel mouth direction of the front end of the inner barrel 1, the bent parts at least extend to the middle part of the inner barrel 1, and the upper bent parts and the lower bent parts are respectively connected with the washing machine shell 2 through the damping hanging spring and the damping supporting rod, so that the aim that the inner barrel supporting piece 3 can be arranged in the washing machine shell 2 in a vibrating mode is fulfilled; meanwhile, a rotating shaft 10 extending axially backward is installed at the center of the inner cylinder bottom 102, the rotating shaft 10 passes through the inner cylinder support 3 and is coaxially disposed with and engaged with a motor shaft of a driving motor of the washing machine to drive the inner cylinder 1 to rotate, and both the inner cylinder 1 and the driving motor are fixedly installed on the inner cylinder support 3. Preferably, the inner cylinder bottom 102 and the driving motor are respectively disposed at two sides of the inner cylinder support 3, the driving motor is fixedly connected to the inner cylinder support 3, a motor shaft of the driving motor passes through the inner cylinder support 3 via a bearing and is coaxially and fixedly connected to the inner cylinder bottom 102, and a driving motor shaft can rotate relative to the inner cylinder support 3, so as to achieve the purpose that the inner cylinder 1 and the driving motor are mounted on the inner cylinder support 3, and the inner cylinder 1 can rotate independently under the action of the driving motor to wash the internal clothes.

In the embodiment, a door cover 4 is installed on a washing machine shell 2, an inner cylinder outer cover 5 which can stretch towards the direction of an inner cylinder 1 is installed on the inner side of the door cover 4, a water outlet 7 which is communicated with the inside of the inner cylinder 1 is arranged at a position of an inner cylinder opening 101, and the inner cylinder outer cover 5 generates stretching movement under the action of a driving mechanism so as to block or open the water outlet 7, so that water contained in the inner cylinder 1 is discharged from the water outlet 7.

The drainage port is arranged at the opening of the inner barrel, and the outer cover of the inner barrel, which corresponds to the drainage port and can be stretched and moved, is arranged on the inner side of the door cover, so that the outer cover of the inner barrel can be stretched and moved along the axial direction of the inner barrel relative to the door cover, and is correspondingly attached to or separated from the opening of the inner barrel in the stretching process of the door cover, and the blockage of the drainage port and the water storage in the inner barrel are realized for normal washing of the washing machine; or opening the water outlet and discharging the washing water in the inner cylinder.

In this embodiment, the front end and the rear end of the inner cylinder 1 are respectively composed of an inner cylinder opening 101 and an inner cylinder bottom 102, the inner cylinder opening 101 is connected with the inner cylinder bottom 102 through an inner cylinder side wall 103, the inner cylinder opening 101 is provided with an opening forming a clothes input opening in the middle, and the inner cylinder bottom 102 covers the end part of the inner cylinder, so that the inner cylinder 1 forms a sealed container only provided with an opening at the inner cylinder opening 101; the inner cylinder 1 is a conical cylinder with the diameter gradually narrowing from the cylinder opening 101 of the inner cylinder to the cylinder bottom 102, and a plurality of water outlets 7 are arranged on the periphery of the cylinder opening 101 of the inner cylinder; the inner cylinder outer cover 5 is arranged corresponding to the outer wall of the inner cylinder opening 101, so that when the inner cylinder outer cover 5 extends and moves towards the direction of the inner cylinder 1, the inner cylinder outer cover 5 is correspondingly attached to the outer wall of the inner cylinder opening 101 provided with the water outlet 7, and the water outlet 7 is blocked and sealed by the inner cylinder outer cover 5.

Through setting up the inner tube into the toper section of thick bamboo that one end diameter is big, one end diameter is little to set up the outlet in the big mouth end of inner tube, make the inner tube at rotatory in-process, rivers in the inner tube can laminate to the inner tube section of thick bamboo wall under the centrifugal force effect and flow to the big mouth end of inner tube, realize that the inner tube dewaters the purpose of everywhere rivers of inner tube from the big mouth end outlet outflow inner tube of opening under the centrifugal force effect.

The water flow flowing to the opening of the inner cylinder is completely discharged, so that the aim of completely discharging all the water contained in the inner cylinder of the washing machine is fulfilled; in the embodiment, a plurality of water outlets 7 are arranged at the inner cylinder opening 101, and the water outlets 7 are arranged at the periphery of the inner cylinder opening 101 at equal intervals and angles so as to discharge water flow at each part of the inner cylinder opening 101; preferably, each water outlet 7 is arranged at the periphery of the cylindrical opening 101 of the inner cylinder, so that each water outlet 7 is arranged at the position where the cylindrical diameter of the inner cylinder is maximum, and the water outlets 7 are positioned at the position where water flows are converged in the rotation process of the inner cylinder, thereby achieving the purpose of improving the drainage efficiency of the washing machine.

In this embodiment, the opening 101 of the inner cylinder is a tapered structure with a diameter gradually reduced from the front to the rear of the washing machine, the middle opening of the tapered structure forms a laundry feeding opening of the inner cylinder, and the periphery of the tapered structure is connected with the side wall 103 of the inner cylinder; the water outlet 7 is arranged on the conical structure and penetrates through the conical structure; preferably, the water outlets 7 are symmetrically distributed on the periphery of the conical structure at equal intervals relative to the center; preferably, each water outlet 7 is arranged at the connecting part of the inner cylinder opening 101 and the inner cylinder side wall 103, so that the water outlet 7 is arranged at the position with the largest diameter of the inner cylinder 1, water flows to the water outlet in the rotation process of the inner cylinder and is converged, and the using effect of discharging the water contained in the inner cylinder is realized.

In this embodiment, the center of the inner side of the door cover 4 is connected with the inner cylinder outer cover 5 through the driving mechanism, the inner cylinder outer cover 5 is coaxially arranged with the inner cylinder 1, and the inner cylinder outer cover 5 comprises a sealing part 17 in limit contact with the inner cylinder opening 101 and an installation part 18 for connecting the sealing part 17 with the driving mechanism.

In this embodiment, the sealing part 18 is a tapered plate, the inner wall of the tapered plate is correspondingly attached to the outer wall of the tapered structure forming the inner cylinder opening 101, so that when the sealing part 18 is fastened to the inner cylinder opening 101, the sealing part 18 blocks the water outlet 7 arranged at the inner cylinder opening 101; preferably, the diameter of the large opening end of the conical plate forming the sealing part 18 of the inner cylinder outer cover is greater than or equal to the diameter of the outer periphery of the inner cylinder opening 101, the diameter of the small opening end of the conical plate is less than or equal to the diameter of the inner periphery of the inner cylinder opening 101, and the taper of the inner wall of the conical plate is equal to that of the outer wall of the conical structure, so that when the inner cylinder outer cover 5 is buckled on the outer side of the inner cylinder opening, the inner cylinder outer cover 5 completely covers and is in contact with the inner cylinder opening 101 in an attaching manner, and the purpose of sealing a water outlet arranged on the inner cylinder opening is achieved.

In this embodiment, the mounting portion of the outer cover 5 of the inner cylinder is a vertically arranged disc plate, the outer periphery of the disc plate and the inner periphery of the tapered plate forming the sealing portion 17 are arranged in the same size and are correspondingly and hermetically connected, and the center of the disc mounting portion 18 is connected with the driving mechanism, so that the sealing portion 17 is driven by the mounting portion 18 to move telescopically along the axis of the inner cylinder under the action of the driving mechanism. Preferably, the sealing portion 17 and the mounting portion 18 are integrally formed, and each portion of the inner and outer covers 5 is integrally formed, so as to improve the structural strength of the inner and outer covers.

In this embodiment, the driving mechanism is a wax motor 9, the wax motor 9 is installed in the center of the inner side of the door cover 4, the output end of the wax motor 9 extends axially along the inner cylinder 1 and is connected with the outer cover 5 of the inner cylinder, so that the output end of the wax motor 9, which can move in a telescopic manner, drives the outer cover 5 of the inner cylinder to move in a telescopic manner towards the inner cylinder opening 101, and the water outlet 7 is blocked or opened by the outer cover 5 of the inner cylinder. The telescopic direction of the output end of the wax motor 9 is parallel to the axis of the inner cylinder 1, so that the outer cover 5 of the inner cylinder moves along the axis of the inner cylinder 1 under the driving of the wax motor 9.

The wax motor is arranged on the door cover, and the telescopic end of the wax motor is fixedly connected with the outer cover of the inner barrel, so that the wax motor drives the outer cover of the inner barrel to generate displacement far away from or close to the opening of the inner barrel, the purpose of blocking, sealing or far away from and opening the water outlet arranged at the opening of the inner barrel is realized, and the double effects of water storage and washing in the inner barrel and water discharge in the inner barrel are further achieved.

In the embodiment, when the washing machine is in a washing state, a clothes feeding opening formed in the inner cylinder opening 101 is sealed by the inner cylinder inner cover 6, the wax motor 9 pushes the inner cylinder outer cover 5 to move towards the direction close to the inner cylinder opening 101, the inner cylinder outer cover 5 is in contact with the inner cylinder opening 101 in a fit manner, the inner cylinder outer cover 5 blocks the water outlet 7, water inlet in the inner cylinder 1 is contained in the inner cylinder 1, the inner cylinder rotates, and clothes are washed by utilizing water stored in the inner cylinder; when the washing machine is in a drainage state, the wax motor 9 pulls the inner cylinder outer cover 5 to move towards the direction away from the inner cylinder opening 101, the inner cylinder outer cover 5 is separated from the inner cylinder opening 101, a drainage opening 7 arranged at the inner cylinder opening 101 is opened, the inner cylinder 1 rotates, and water contained in the inner cylinder 1 flows towards the drainage opening 7 by utilizing the centrifugal force in the rotation process of the inner cylinder 1 and is drained from the opened drainage opening 7.

Example two

As shown in fig. 1, in this embodiment, the door cover 4 is further provided with an inner drum inner cover 6, the inner drum inner cover 6 is connected to the door cover 4 through an elastic mechanism, so that the elastic mechanism applies an elastic force to the inner drum inner cover 6 after the door cover 4 is closed, and drives the inner drum inner cover 6 to be fastened at the clothes throwing-in opening of the inner drum nozzle 101, so that the clothes throwing-in opening of the inner drum nozzle 101 is hermetically fastened by the inner drum inner cover 6, thereby realizing inner sealing of the inner drum, allowing water to be fed for containing, and driving the inner drum to rotate to utilize the water to wash clothes.

In this embodiment, the inner cylinder outer cover 5 and the inner cylinder inner cover 6 are sequentially installed on the inner side of the door cover 4 through the rotating shaft 8, one end of the rotating shaft 8 is fixed with the center of the inner side of the door cover, and after the rotating shaft 8 penetrates through the inner cylinder outer cover 5, the other end is rotatably hinged with the center of the inner cylinder inner cover 6, so that the inner cylinder inner cover 6 is hermetically buckled on the inner cylinder opening 101 and can rotate together with the inner cylinder 1.

In the embodiment, the end part of the rotating shaft 8 is fixedly connected with the door cover 4 through a spring, the inner cover of the inner cylinder is in contact with the outer side wall of the opening 101 of the inner cylinder after the door cover 4 is buckled, and the spring is in a compressed state; the spring in a compressed state exerts an elastic force on the rotating shaft 8, and the elastic force is transmitted by the rotating shaft 8 to push the inner cylinder inner cover 6 to move towards the inner cylinder opening 101, so that the inner cylinder inner cover 6 is correspondingly and tightly attached to the inner cylinder opening 101, and the purpose of sealing and attaching the inner cylinder inner cover 6 to the inner cylinder opening 101 is realized; meanwhile, the inner cylinder inner cover 6 covers the clothes throwing-in opening arranged on the inner cylinder opening 101, so that the clothes throwing-in opening is sealed when the inner cylinder inner cover 6 is tightly attached to the outer wall of the inner cylinder opening 101. Preferably, the inner cylinder inner cover 6 is coaxially arranged with the inner cylinder opening 101, and the diameter of the outer periphery of the inner cylinder inner cover 6 is larger than that of a clothes throwing opening arranged on the inner cylinder opening 101.

EXAMPLE III

As shown in fig. 1 and 4, in the present embodiment, the center of the inner cylinder bottom 102 is installed on the inner cylinder support 3 through the rotating shaft 10, so that the inner cylinder 1 can rotate around the axis of the inner cylinder 1 under the action of the driving motor installed at the end of the rotating shaft 10; the rotating shaft 10 is hollow, one end of the hollow part is communicated with the inner cylinder 1 of the washing machine, and the other end of the hollow part is communicated with the water inlet pipe of the washing machine, so that water can enter the inner cylinder 1 of the washing machine from the hollow part of the rotating shaft 10.

In this embodiment, the rotating shaft 10 is composed of three layers of sleeves sleeved from inside to outside in sequence, a water inlet 14 communicated with a water inlet pipe of the washing machine and forming an inner cylinder is formed inside the inner sleeve 11, a flow passage between the inner sleeve 11 and the middle sleeve 12 forms an air inlet 15 of the inner cylinder, and a flow passage between the middle sleeve 12 and the outer sleeve 13 forms an air outlet 16 of the inner cylinder.

The rotating shaft at the rear part of the inner barrel is provided with the three layers of sleeves, so that the rotating shaft at the center of the rear part of the washing machine integrates the triple functions of water inlet, air inlet and air outlet, the structure of the washing machine is more compact, and the internal part is more reasonably optimized.

Example four

The present embodiment is different from the first embodiment in that: the driving mechanism comprises an electromagnet arranged on the door cover, the outer cover of the inner cylinder is provided with a magnet, the magnet and the electromagnet are arranged correspondingly, and the magnetic driving force generated by the electromagnet drives the outer cover of the inner cylinder to stretch and move by changing the power-on and power-off states of the electromagnet, so that the water outlet is blocked or opened by the outer cover of the inner cylinder (not shown in the attached drawing).

In the embodiment, the electromagnet can apply repulsion force towards the inner cylinder direction to the inner cylinder outer cover so as to push the inner cylinder outer cover to be attached to the opening of the inner cylinder, so that a water outlet arranged at the opening of the inner cylinder is blocked by the inner cylinder outer cover; the electromagnet can also apply a suction force to the outer cover of the inner cylinder in the opposite direction of the inner cylinder so as to pull the outer cover of the inner cylinder to be separated from the opening of the inner cylinder and open the water outlet arranged at the opening of the inner cylinder.

The electromagnet is arranged on the door cover of the washing machine to apply magnetic driving acting force with changeable directions to the inner cylinder outer cover, so that the inner cylinder outer cover moves away from or close to the cylinder opening of the inner cylinder, the purpose of telescopic displacement of the inner cylinder outer cover along the axial direction of the inner cylinder is achieved, and the effect of correspondingly opening or closing the water outlet arranged at the cylinder opening of the inner cylinder can be achieved.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A washing machine characterized by: the washing machine shell is provided with a door cover, the inner side of the door cover is provided with an inner cylinder outer cover which can stretch towards the inner cylinder direction, the opening of the inner cylinder is provided with a water outlet communicated with the inside of the inner cylinder, and the inner cylinder outer cover can stretch under the action of a driving mechanism to block or open the water outlet so that water contained in the inner cylinder is discharged from the water outlet.

2. The washing machine as claimed in claim 1, wherein the inner tub is a tapered tub having a diameter gradually narrowing from a tub opening of the inner tub toward a bottom of the inner tub, and a plurality of drain ports are formed at an outer circumference of the tub opening of the inner tub; the inner cylinder outer cover is arranged corresponding to the outer wall of the opening of the inner cylinder, so that when the inner cylinder outer cover extends and moves towards the inner cylinder direction, the inner cylinder outer cover is correspondingly attached to the outer wall of the opening of the inner cylinder with the water outlet, and the water outlet is sealed.

3. The washing machine as claimed in claim 2, wherein the water discharge ports are arranged at equal angular intervals on the outer peripheral portion of the cylindrical opening of the inner cylinder.

4. The washing machine as claimed in claim 2, wherein the opening of the inner tub is provided in a tapered structure having a diameter gradually reduced from the front to the rear of the washing machine, the opening of the middle portion of the tapered structure forms a laundry input opening of the inner tub, and the outer circumference of the tapered structure is connected to the sidewall of the inner tub; the water outlet is arranged on the cone and penetrates through the cone.

5. A washing machine as claimed in claim 4 wherein the outlets are symmetrically spaced about the centre at the periphery of the cone.

6. A washing machine as claimed in any one of claims 1 to 5 wherein the centre of the inner side of the door is connected to an outer cover of the inner drum via a drive mechanism, the outer cover of the inner drum being arranged coaxially with the inner drum, the outer cover of the inner drum including a sealing portion in locating contact with the mouth of the inner drum and a mounting portion connecting the sealing portion to the drive mechanism.

7. The washing machine as claimed in claim 6, wherein the sealing part is a tapered plate, and an inner wall of the tapered plate is correspondingly attached to an outer wall of a tapered structure forming the opening of the inner cylinder, so that when the sealing part is fastened at the opening of the inner cylinder, the sealing part blocks a water outlet arranged at the opening of the inner cylinder.

8. A washing machine as claimed in any one of claims 1 to 5 wherein the drive means is a wax motor mounted centrally on the inside of the door, the output of the wax motor extending axially of the inner drum and being connected to the outer cover of the inner drum such that the telescopically movable output of the wax motor causes the outer cover of the inner drum to telescopically move towards the mouth of the inner drum to allow the outlet to be blocked or unblocked by the outer cover of the inner drum.

9. A washing machine as claimed in any one of claims 1 to 5 wherein the drive mechanism includes an electromagnet mounted on the door, and a magnet is provided on the outer cover of the inner drum, the magnet being arranged in correspondence with the electromagnet such that the magnetic drive force generated by the electromagnet drives the outer cover of the inner drum to move telescopically by changing the on/off state of the electromagnet, thereby causing the water outlet to be blocked or unblocked by the outer cover of the inner drum.

10. The washing machine as claimed in claim 9, wherein the electromagnet is capable of applying a repulsive force to the inner drum outer cover to push the inner drum outer cover to be attached to the opening of the inner drum, so that the water outlet provided at the opening of the inner drum is blocked by the inner drum outer cover; the electromagnet can also apply a suction force to the outer cover of the inner cylinder in the opposite direction of the inner cylinder so as to pull the outer cover of the inner cylinder to be separated from the opening of the inner cylinder and open the water outlet arranged at the opening of the inner cylinder.

11. The washing machine as claimed in any one of claims 1 to 5, wherein the door further comprises an inner cover, the inner cover is connected to the door via a resilient mechanism, so that when the door is closed, a resilient force is applied to the inner cover to drive the inner cover to be locked to the opening of the inner tub opening, so that the opening of the inner tub opening is sealed and locked by the inner cover.

12. The washing machine as claimed in claim 11, wherein the outer cover of the inner tub and the inner cover of the inner tub are sequentially installed inside the door cover through a rotation shaft, one end of the rotation shaft is fixed to the door cover, and the other end of the rotation shaft is rotatably hinged to the center of the inner cover of the inner tub after passing through the outer cover of the inner tub, so that the inner cover of the inner tub is hermetically fastened to the mouth of the inner tub and then can rotate together with the inner tub.

13. A washing machine as claimed in any one of claims 1 to 5 wherein the centre of the base of the inner drum is mounted via a shaft to a support for the inner drum so that the inner drum can be rotated about the axis of the inner drum by a drive motor mounted at the end of the shaft; the rotating shaft is hollow, one end of the hollow part is communicated with the inner barrel of the washing machine, and the other end of the hollow part is communicated with the water inlet pipe of the washing machine, so that water can enter the inner barrel of the washing machine from the hollow rotating shaft.

14. The washing machine as claimed in claim 13, wherein the rotary shaft is formed of three layers of sleeves sequentially fitted from inside to outside, the inner layer of sleeves is formed with an inlet hole communicating with an inlet pipe of the washing machine and forming the inner cylinder, the flow passage between the inner layer of sleeves and the middle layer of sleeves forms an inlet hole of the inner cylinder, and the flow passage between the middle layer of sleeves and the outer layer of sleeves forms an outlet hole of the inner cylinder.