CN212834597U - Washing machine - Google Patents

Abstract

The utility model provides a washing machine belongs to clothing washing equipment technical field. The washing machine includes a housing having a feed opening formed in a front side of the housing; the drum is rotatably arranged in the shell and is of a non-porous structure used for containing washing water, and the front side surface of the drum is provided with a drum opening; and a door assembly rotatably coupled to a front side of the housing to open and close the inlet port, the door assembly in a closed state covering the nozzle, wherein the door assembly includes: an outer door for opening and closing the inlet; and the inner door is flexibly connected to the inner side of the outer door, can close the drum opening and rotates along with the drum. The washing machine avoids the spatial interconnection of the inner barrel and the outer barrel, solves the problem of secondary pollution caused by breeding and accumulation of mould dirt between the inner barrel and the outer barrel and at a door seal, and improves the health quality of clothes washing and protecting.

Description

Washing machine

Technical Field

The invention relates to the technical field of clothes washing equipment, in particular to a washing machine.

Background

Generally, a drum of a washing machine, which accommodates laundry, is rotatably disposed within an outer tub, which is used to provide water. The drum is formed with through holes, so that the water inside the outer tub flows into the drum through the through holes, and the washed matter moves with the rotation of the drum to eliminate dirt.

After long-term use, a large amount of dirt (water quality dirt, clothes impurities and the like) is accumulated between the inner and outer cylinder walls and at the positions of rubber door seams and the like, mould dirt cannot be completely removed by a washing brush, and the mould cannot be completely removed by an existing sterilization mode. High-temperature sterilization has certain limitation, and clothes made of materials such as wool, down feather, chemical fiber and the like are not suitable for high-temperature sterilization, so that the influence caused by secondary pollution in the cylinder is more serious.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the washing machine is provided, the roller is of a non-porous structure, the washing machine is provided with the inner door which is flexibly connected with the outer door relatively, the inner door can seal the opening of the roller, the space interconnection of the inner and outer rollers is further avoided, the problem of secondary pollution caused by breeding and accumulation of mould dirt between the inner and outer rollers and at the sealing position of the roller is solved, and the health quality of clothes washing and protecting is improved.

According to the present disclosure, there is provided a washing machine including a housing having a feed opening formed in a front side of the housing; the drum is rotatably arranged in the shell and is of a non-porous structure used for containing washing water, and the front side surface of the drum is provided with a drum opening; and a door assembly rotatably coupled to a front side of the housing to open and close the inlet port, the door assembly in a closed state covering the nozzle, wherein the door assembly includes: an outer door for opening and closing the inlet; and the inner door is flexibly connected to the inner side of the outer door, can close the drum opening and rotates along with the drum.

The washing machine adopts the door assembly consisting of the inner door and the outer door to seal the roller, and the inner door seals the roller to prevent washing water from overflowing the roller in the washing process; in the washing dehydration process, the outer door is fixed in position, the inner door can move along with the roller, the inner door and the outer door are flexibly connected, interference between the inner door and the outer door when the inner door moves is avoided, and reliability of the inner door in sealing the roller is guaranteed.

According to some embodiments of the present disclosure, the door assembly further comprises a pulling shaft fixedly connected to an inner side of the outer door and penetrating the inner door; the bearing and the bearing seat are sleeved on the traction shaft; and the rubber ring is connected between the bearing seat and the inner door.

According to some embodiments of the present disclosure, the door assembly further comprises a plurality of elastic members radially connected between the bearing housing and the inner door to spring the inner door.

According to some embodiments of the present disclosure, the inner door includes a circular portion and an edge portion, the edge portion is located on a periphery of the circular portion, and the edge portion and the circular portion are arranged at an included angle, and the elastic member is connected to the edge portion.

According to some embodiments of the present disclosure, the door assembly further comprises a limit baffle connected to an end of the pulling shaft away from the outer door and located inside the inner door for stopping an impact of the laundry to the inner door.

This washing machine sets up limit baffle and carries on spacingly to the clothing, prevents that the clothing from pushing up the inner door and open and lead to the not tight problem of sealing.

According to some embodiments of the present disclosure, the drum opening edge of the drum has an arc-shaped extension part which is bent toward the inner direction of the drum, and the limit baffle is located in the extension part in the axial direction.

The washing machine is provided with the arc-shaped extension part at the cylinder opening of the drum, so that clothes can be prevented from being damaged at the cylinder opening in the washing process.

According to some embodiments of the present disclosure, magnetic gaskets are fixedly attached to opposite surfaces of the inner door and the drum, respectively.

According to some embodiments of the present disclosure, the drum further comprises a main shaft connected to the bottom wall of the drum for driving the drum to rotate, the main shaft having a hollow channel; the sealing element is sleeved on the main shaft and fixed relative to the shell, and a water inlet cavity communicated with the hollow channel is formed in the sealing element; one end of the water inlet pipe is connected with the sealing piece so that water flows into the roller from the water inlet pipe, the water inlet cavity and the hollow channel when water enters; and the drain valve is arranged at the lifting rib of the roller, and the drain valve in an open state can be communicated with the inside and the outside of the roller so as to discharge the washing water in the roller.

According to some embodiments of the present disclosure, the drum further comprises an outer drum covered outside the drum, and the seal is formed by extending a bottom wall of the outer drum backward.

According to some embodiments of the present disclosure, the seal is connected to the main shaft by at least two bearings, a space between adjacent bearings forming the intake chamber.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of a washing machine according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of A of FIG. 1;

FIG. 3 is a front view of a washing machine according to an embodiment of the present disclosure;

fig. 4 and 5 are partial views of a washing machine according to an embodiment of the present disclosure;

FIG. 6 is a front view of a washing machine according to another embodiment of the present disclosure;

FIG. 7 is a partial view of a washing machine according to another embodiment of the present disclosure;

in the above figures: 1. a housing; 11. a front side; 12. a rear side; 13. a top plate; 2. a door assembly; 21. an outer door; 211. a movable cavity; 22. an inner door; 221. a circular ring part; 222. an edge portion; 23. a traction shaft; 24. a traction motor; 241. a traction motor wire; 242. a spring; 25. a magnetic gasket; 26. a bearing seat; 27. a rubber ring; 28. an elastic member; 29. a limit baffle; 3. a detergent box; 41. a water supply pipe; 42. a water inlet pipe; 44. heating a tube; 43. a drain pipe; 45. a water supply valve; 5. a drum; 51. positioning holes; 52. a front end cover; 521. a cylinder mouth; 522. an extension portion; 6. an outer cylinder; 7. a motor; 8. a bearing; 9. a main shaft; 91. a hollow channel; 92. an aperture; 10. a seal member; 101. a water inlet cavity; 20. a vent valve; 30. lifting the ribs; 40. a drain valve; 50. switching the motor; 60. positioning a traction motor; 601. and a positioning column.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

Referring to fig. 1, a housing 1 forms a main appearance of a washing machine according to an embodiment of the present invention, and the housing 1 may include a front side 11, a left side, a right side, a rear side 12, and a top plate 13 for covering an upper side of the housing 1; an inlet for putting in laundry is formed in the front side surface 11.

A door assembly 2 for opening and closing the inlet is connected to the front side 11, and the door assembly 2 is rotatable with respect to the housing 1. The door assembly 2 is rotated in a direction away from the housing 1, the input port is opened, laundry can be put in through the input port, and the door assembly 2 is rotated in a direction close to the housing 1, and the input port is closed.

The washing machine further comprises a detergent box 3, wherein the detergent box 3 is used for storing additives such as washing agent, clothes softener or bleaching agent, and the detergent box 3 can be drawn into or out of the shell 1. The detergent box 3 is connected to a water supply pipe 41, and the other end of the water supply pipe 41 is connected to an external water source such as a tap to allow the external water source to flow into the water supply pipe 41, and the water supply pipe 41 is further connected to a water supply valve 45 for limiting water supply. If the water supply valve 45 is opened and water is supplied through the water supply pipe 41, the additives in the detergent box 3 are mixed with the water and flow into the drum 5 (described later). The water supply valve 45 is provided with a flow meter which can control the water inflow.

The washing machine may further include an outer tub 6, the outer tub 6 being hung on the top plate 13 by a spring and supported by a damper located at a lower side, whereby vibration of the outer tub 6 is buffered by the spring and the damper. The specific structure is the prior art and is not detailed here.

The drum 5 is rotatably disposed in the outer tub 6, and the washing machine of the present embodiment is a front-in type washing machine in which the drum 5 rotates about a horizontal axis, and the side to which laundry is put is a front side and the side opposite thereto is a rear side; in addition, for convenience of description, a wall of the drum 5 at the rear side is referred to as a bottom wall.

The wall of the roller 5 is arranged without holes, and the front end surface of the roller 5 is rotatably sealed with the door component 2, so that the water in the roller 5 can not flow into the outer barrel 6, and the roller 5 has the double functions of a washing barrel and a water containing barrel.

The structure of the imperforate roller 5 is adopted, so that the spatial interconnection between the roller 5 and the outer cylinder 6 is avoided, the problem of secondary pollution caused by the breeding and accumulation of mould dirt between the roller 5 and the outer cylinder 6 is solved, and the healthy quality of clothes washing and protecting is improved; in addition, no washing water exists between the roller 5 and the outer cylinder 6, so that the water consumption can be saved by about 20%.

The drum 5 is driven to rotate by a motor 7, the motor 7 is connected to the rear side of the outer tub 6, the drum 5 is connected to the motor 7 through a main shaft 9, and the motor 7 can control the rotation direction and the rotation speed of the drum 5. The main shaft 9 is connected with the outer cylinder 6 through the bearing 8, so that abrasion between the main shaft 9 and the outer cylinder 6 can be reduced. The main shaft 9 has a hollow passage 91 therein, and the hollow passage 91 communicates with the inside of the drum 5.

The washing machine of the present disclosure may include a water inlet pipe 42, one end of the water inlet pipe 42 being communicated with the detergent box 3, and the other end being communicated with the hollow passage 91 of the main shaft 9. When water is supplied, the additive in the detergent box 3 is mixed with water and then flows into the drum 5 through the water inlet pipe 42 and the hollow passage 91.

Referring to fig. 4 and 7, arrows indicate the flowing direction of water when water enters, the washing machine may include a sealing member 10 sleeved on a main shaft 9, the sealing member 10 is fixed relative to the housing 1, the main shaft 9 is connected to the sealing member 10 in a rotating and sealing manner, a water inlet cavity 101 is formed inside the sealing member 10, meanwhile, a hole 92 communicated with the hollow channel 91 is radially formed in the main shaft 9, and the water inlet pipe 42 is connected to the water inlet cavity 101 of the sealing member 10. When water is supplied, the additive in the detergent box 3 is mixed with water and then flows into the drum 5 through the water inlet pipe 42, the water inlet chamber 101, the hole 92 and the hollow passage 91.

The axis of the hollow channel 91 is collinear with the axis of the spindle 9, and the axis of the hole 92 is perpendicular to the axis of the hollow channel 91; a plurality of holes 92 may be evenly distributed on the main shaft 9 to facilitate the fluency of the water intake.

In some embodiments of the washing machine of the present disclosure, the sealing member 10 is connected to the main shaft 9 through the bearing 8, the bearing 8 has two, and a gap between the two bearings 8 forms the water inlet chamber 101, where the bearing 8 may be a sealing bearing to achieve sealing between the water inlet chamber 101 and the bearing 8.

With continued reference to fig. 4, the sealing member 10 may be a separate component disposed on the spindle 9 between the outer cylinder 6 and the motor 7, and the sealing member 10 is made of plastic material, so as to avoid the problem of metal corrosion and reduce the weight. The sealing element 10 may be fixedly connected to the outer cylinder 6 by means of screws or may be fixedly connected to a motor base, so that the sealing element 10 may remain stationary while the drum 5 rotates.

Alternatively, referring specifically to fig. 7, the sealing member 10 is a part of the outer cylinder 6, specifically, the center of the bottom wall of the outer cylinder 6 extends backwards to form the sealing member 10, and the sealing member 10 and the main shaft 9 are connected by the bearing 8, so that the bearing 8 is required to be arranged at the connection position of the sealing member 10 and the outer cylinder 6 with the main shaft 9 respectively when the sealing member 10 is a single component, and the use of the bearing 8 can be saved when the sealing member 10 is a part of the outer cylinder 6.

The washing machine disclosed by the invention realizes water inlet by utilizing the main shaft 9 of the original washing machine, can be realized by only arranging the hollow channel 91 and the sealing element 10 on the main shaft 9 of the original washing machine, avoids great change on the structure of the washing machine, and has the advantages of simple structure and lower cost.

In some embodiments of the washing machine of the present disclosure, a vent valve 20 is further disposed on the rear wall of the drum 5, the vent valve 20 is disposed near the spindle 9, and when the air pressure in the drum 5 reaches a certain value, the vent valve 20 is opened, so that the washing water can smoothly enter the drum 5.

Referring to fig. 3, the washing machine further includes a lifting rib 30 provided in the drum 5 to continuously lift the falling and beating laundry so as to wash the laundry.

The lifting rib 30 is internally provided with a drain valve 40, when the drain valve 40 is opened, water in the roller 5 can flow into the outer cylinder 6 from the drain valve 40, and when the drain valve 40 is closed, the roller 5 is isolated from the outer cylinder 6. Thus, the drain valve 40 is provided at the lifting rib 30, thereby draining the drum 5. The water draining valve can be arranged at the position of the through hole on the lifting rib and the roller.

A switching motor 50 for controlling the opening or closing of the drain valve 40 is fixedly connected to the outer tub 6 corresponding to the position of the drain valve 40.

The outer tub 6 is communicated with a drain pipe 43, and water in the outer tub 6 can be drained to the outside of the washing machine. The drain pipe 43 is also connected with a drain pump, and can quickly drain the water in the drain pipe 43.

The washing machine of the present disclosure does not occupy the space of the drum 5 by disposing the drain valve 40 in the lifting rib 30, and can achieve the purposes of compact structure of the drum 5 and maximized volume of the drum 5. In addition, the lifting rib 30 can be detached, and cleaning operation is facilitated.

Specifically, the lifting ribs 30 provided in the drum 5 are provided in plurality and are uniformly distributed along the circumference of the drum 5, and each lifting rib 30 is connected with a drain valve 40. When draining, one of the lifting ribs 30 is located at the lowest position, which may facilitate the complete drainage of the washing water in the drum 5.

The drum 5 is stationary at the front stage of water discharge, and rotates at a low speed at the rear stage of water discharge, and rotates at a high speed during water discharge. Each lifting rib 30 of the roller 5 is correspondingly provided with a drain valve 40, when water enters, the drain valve 40 in the lifting rib 30 at the lowest point is closed, the drain valves 40 in the other lifting ribs 30 are opened to be communicated with the outside to realize air pressure balance, the water enters completely, the drain valve 40 at the lowest point is closed, and the roller 5 rotates to start washing; during drainage, the drain valves 40 in the lifting ribs 30 are all opened, the drain valves 40 at the lower ends drain water, the drain valves 40 at the upper portions are used for balancing air pressure, dewatering is started after the drainage is finished, and the drain valves 40 reset after the dewatering is finished.

According to the washing machine of an embodiment of the present disclosure, referring to fig. 5, a positioning hole 51 is formed on the bottom wall of the drum 5, a positioning traction motor 60 is fixedly connected to the outer drum 6, the positioning traction motor 60 is connected to a positioning column 601 through a spring, the positioning column 601 is released, when the positioning column 601 enters the positioning hole 51, the position of the drum 5 is kept fixed, and it is ensured that one of the lifting ribs 30 can be located at the lowest position.

When drainage is required, the rotation speed of the drum 5 is reduced; the rear positioning traction motor 60 releases the positioning column 601, the positioning column 601 enters the positioning hole 51 under the action of a spring, the positioning traction motor 60 is positioned, the drain valve 40 is opened for draining, after the drainage setting time is in place, the positioning traction motor 60 pulls the positioning column 601 out of the positioning hole 51, the motor 7 is started for dewatering, after dewatering is completed, a positioning action is performed once, and the drain valve 40 is reset and closed for waiting for next washing.

According to the washing machine of another embodiment of the present disclosure, a control system may be employed to control the position of the drum 5 at the time of draining so that one of the lifting ribs 30 may be at the lowest position.

It should be noted that the present invention is not limited to the positioning manner of the position when the drum 5 drains water.

In some embodiments of the present disclosure, the water supply pipe 41 is further provided with a heating pipe 44, and the heating pipe 44 is operable to heat the washing water of the drum 5 through the water supply pipe 41. It should be noted that the heating pipe 44 may also be disposed on the water inlet pipe 42, and still achieve the purpose of heating the washing water.

The washing machine of the present disclosure also provides a structural solution of the door assembly 2, which is described in detail below with reference to the accompanying drawings.

As an embodiment of the door assembly 2 of the washing machine of the present disclosure, referring to fig. 1, the door assembly 2 includes an outer door 21 and an inner door 22, wherein the inner door 22 is connected to an inner side of the outer door 21, the outer door 21 is hinged to the housing 1, an opening or closing of the opening of the housing 1 can be achieved by horizontally rotating the outer door 21, and the inner door 22 moves along with the outer door 21 during the movement of the outer door 21.

When the door assembly 2 is in the closed state, the inner door 22 is in sealing abutment with the front end surface of the drum 5 to cover the drum 5, and the washing water is prevented from entering the outer tub 6 from the front end of the drum 5 during washing.

Since the drum 5 needs to be rotated during washing, the inner door 22 is provided in a rotatable manner with respect to the outer door 21 in one embodiment, and the inner door 22 is rotated along with the drum 5 in a hermetically coupled state.

The outer door 21 is provided with a traction shaft 23 extending towards the inner door 22, the inner door 22 is sleeved on the traction shaft 23 through a bearing, and when the roller 5 rotates, the inner door 22 is driven to rotate around the traction shaft 23.

Because the drum 5 can rotate at a high speed during dehydration, in order to avoid the influence on the inner door 22 during high-speed rotation, the inner door 22 is arranged in the washing machine disclosed by the invention to be capable of telescopic motion, namely, the inner door 22 can move back and forth relative to the outer door 21, when the washing machine is used for dehydration, the inner door 22 retracts towards the direction of the outer door 21, the inner door 22 is separated from the drum 5, the input opening at the front end of the drum 5 is opened, the drum 5 rotates at a high speed without influencing the inner door 22, in addition, water flow in the drum 5 can also enter the outer drum 6 from the input opening at the front end of the drum 5 to be discharged, and the dehydration efficiency is accelerated.

In order to realize the telescopic movement of the inner door 22 relative to the outer door 21, the outer door 21 and the inner door 22 have a relative movement space. Specifically, the inner side of the outer door 21 is provided with a movable cavity 211, the front end of the traction shaft 23 is located in the movable cavity and can move back and forth in the movable cavity 211, and the traction shaft 23 drives the inner door 22 to perform telescopic motion.

In one embodiment, the traction shaft 23 is provided with a driving force by a traction motor 24 to perform the movement. The traction motor 24 is fixedly connected to the outer door 21, and a traction motor wire 241 of the traction motor 24 is connected to the traction shaft 23 through a spring 242, that is, the front end of the spring 242 is connected to the traction motor wire 241, and the rear end is connected to the traction shaft 23. When the traction motor 24 is not operated, the traction shaft 23 pushes the traction shaft 23 to extend towards the rear side under the action of the spring 242, and therefore, the inner door 22 is pushed to abut against the front end of the roller 5; when the traction motor 24 is operated, the traction motor wire 241 is pulled so that the inner door 22 follows the traction shaft 23 to move toward the outer door 21, and the inner door 22 is separated from the drum 5.

In order to minimize the size of the door assembly 2 in the axial direction, the traction motor 24 is disposed in the radial direction of the outer door with respect to the movable chamber 211, a shaft is disposed in the movable chamber 211, and the traction motor line 241 changes its extending direction around the shaft to be in the same direction as the axis of the traction shaft.

Referring to fig. 2, the inner door 22 and the drum 5 are provided with magnetic gaskets 25, so that the inner door 22 can be attracted to the drum 5, and the tightness and reliability of the connection of the inner door 22 on the drum 5 are ensured.

The inner door 22 is connected with the traction shaft 23 through a bearing, so that abrasion can be reduced, the inner ring of the bearing is fixed on the rigid traction shaft 23, the position of the bearing is fixed, the motion precision of the bearing is ensured, and the vibration and noise of the bearing in the rotation process are reduced.

More specifically, the outer diameter of the inner door 22 is not greater than the minimum inner diameter of the outer door 21, so that the smoothness of the entrance of the inner door 22 into and out of the housing 1 can be ensured.

According to the washing machine disclosed by the invention, the inner door 22 is linked with the outer door 21, the inner door 22 and the outer door 21 act together when the door is opened or closed, and the inner door 22 is tightly attached to the roller 5 under the action of the spring 242 and the magnetic sealing gasket 25 when the whole machine is in a power-off state and a washing state, so that the roller 5 forms a closed space; when dewatering, the traction motor pulls the inner door 22 to retract, so that the inner door 22 is separated from the roller 5, the influence of high rotating speed on the inner door 22 is avoided, and meanwhile, the dewatering effect is also improved due to the fact that the front end of the roller 5 is opened. In addition, this washing machine's door subassembly 2 has avoided current washing machine door to seal the department and has multiplied the mould easily, pile up the dirt and influence pleasing to the eye and the problem of secondary pollution washings, has and uses and experiences good, the good advantage of washing effect.

As another embodiment of the door assembly 2 of the washing machine of the present disclosure, referring to fig. 6, the door assembly 2 includes an outer door 21 and an inner door 22, wherein the inner door 22 is connected to the inner side of the outer door 21, the outer door 21 is hinged to the housing 1, the opening or closing of the opening on the housing 1 can be achieved by horizontally rotating the outer door 21, and the inner door 22 moves along with the outer door 21 during the movement of the outer door 21.

When the door assembly 2 is in the closed state, the inner door 22 is in sealing abutment with the front end surface of the drum 5 to cover the drum 5, and the washing water is prevented from entering the outer tub 6 from the front end of the drum 5 during washing.

Since the drum 5 needs to be rotated during washing, in one embodiment, the inner door 22 is provided in a rotatable manner with respect to the outer door 21, and the inner door 22 is rotatable along with the drum 5 in a closed state of the door assembly 2. The outer door 21 is provided with a traction shaft 23 extending towards the inner door 22, the inner door 22 is sleeved on the traction shaft 23, and when the roller 5 rotates, the inner door 22 is driven to rotate around the traction shaft 23.

Magnetic gaskets 25 are fixedly connected to two opposite surfaces of the inner door 22 and the roller 5 respectively, and when the inner door 22 is close to the inside of the roller 5, the inner door 22 and the roller 5 are in sealing contact under the action of the magnetic gaskets 25.

This washing machine relies on interior door 22 among the door subassembly 2 to cover drum 5, and outer door 21 need not play sealed effect, consequently, can omit the door seal among the current washing machine, and then can avoid current door seal easily to pile up dirty, breed the secondary pollution washings that the mould leads to and influence pleasing to the eye problem.

Since the drum 5 vibrates when rotating, in order to prevent the outer door 21 from being affected by the relative displacement between the inner door 22 and the drawing shaft 23, the inner door 22 and the drawing shaft 23 are flexibly connected in the washing machine.

Specifically, a bearing 8 is sleeved on the traction shaft 23, and a bearing seat 26 is connected to the outer side of the bearing 8; the inner door 22 is annular, the inner ring of the inner door 22 is hermetically connected with the bearing seat 26 through a rubber ring 27, namely the outer diameter of the rubber ring 27 is connected with the inner door 22, and the inner diameter of the rubber ring 27 is connected with the bearing seat 26; the rubber ring 27 is used for realizing flexible connection between the inner door 22 and the bearing seat 26, so that the interference between the inner door 22 and the rigid traction shaft 23 when the roller 5 rotates is avoided, and the problem that the traction shaft 23 limits the movement of the inner door 22 to cause the dislocation between the inner door 22 and the roller 5 to cause water leakage of the roller 5 is also avoided.

In some embodiments of the washing machine of the present disclosure, the rubber ring 27 has a structure with a corrugated layer, and the corrugated layer enables the rubber ring 27 to have a larger deformation movement range, so as to effectively prevent the rubber ring 27 from being damaged when the inner door 22 and the traction shaft 23 are relatively displaced.

Because the inner door 22 is flexibly connected with the traction shaft 23, the problem that the center of the inner door 22 is deviated under the action of self weight exists, therefore, the door assembly 2 of the washing machine further comprises a plurality of elastic members 28, for example, the elastic members 28 can be springs, the elastic members 28 are radially connected between the bearing seat 26 and the inner door 22, namely, one end of each elastic member 28 is connected with the bearing seat 26, the other end of each elastic member 28 is connected with the inner door 22, the inner door 22 is supported through the elastic members 28, and meanwhile, the elastic members 28 avoid rigid connection between the inner door 22 and the traction shaft 23.

More specifically, the inner door 22 includes a circular ring portion 221 and an edge portion 222, the edge portion 222 is located on the periphery of the circular ring portion 221, the edge portion 222 and the circular ring portion 221 are arranged at an included angle, one end of the elastic member 28 connected to the inner door 22 is connected to the edge portion 222, and the elastic member 28 is located in the same normal plane of the bearing 8.

In the washing process, the condition that the laundry is too much exists, the too much laundry can generate larger impact pressure on the inner door 22, the inner door 22 is flexibly connected with the traction shaft 23, the deformation of the inner door 22 can cause the problem that the sealing roller 5 is not tight, in order to avoid the too much pressure of the laundry on the inner door 22, the door assembly 2 of the washing machine further comprises a limit baffle 29, one end, far away from the outer door 21, of the traction shaft 23 penetrates through the inner door 22 and extends out of the inner door 22, and the limit baffle 29 is connected to the end of the traction shaft 23, namely, the inner door 22 is positioned between the outer door 21 and the limit baffle 29.

When the door assembly 2 is in the closed state, the limit baffle 29 is located inside the drum 5, which can limit the position of the laundry in the drum 5 and prevent the laundry from directly contacting the inner door 22 to generate pressure.

In some embodiments of the washing machine of the present disclosure, the front end of the drum 5 has a front cover 52, the center of the front cover 52 is provided with a through opening 521, and the inner door 22 is hermetically connected with the front surface of the front cover 52;

the front end cover 52 has an inner ring provided with an arc-shaped extension 522 bent toward the inner direction of the drum 5, which can prevent the clothes from being damaged in the washing process, and the limit baffle 29 is located in the extension 522 in the axial direction, which can prevent the limit baffle 29 from scratching the clothes.

In addition, the outer diameter of the limit stop 29 is larger than the inner diameter of the inner door 22, so that when the door assembly 2 is opened, the limit stop 29 moves outward along with the outer door 21, thereby pushing the inner door 22 open, so that the inner door 22 is separated from the drum 5.

The working principle of the door assembly 2 is as follows: 1. after the laundry is put in, the outer door 21 is closed, and the inner door 22 moves close to the drum 5 following the outer door 21. When the inner door 22 reaches a certain distance from the drum 5, the inner door 22 is in sealing contact with the drum 5 due to the attraction of the magnetic packing 25, and the outer door 21 is fixed to the housing 1 by the door lock. 2. When the user starts the washing machine, the water inlet valve 45 feeds water into the detergent box 3, the water mixed with the detergent enters the drum 5 through the water inlet pipe 42 and the hollow channel 91 of the main shaft 9, and the washing process starts. 3. After the washing process is finished, the outer door 21 is opened, the limit baffle 29 moves along with the outer door 21 and contacts with the inner door 22, and the inner door 22 is opened and moves along with the outer door 21 under the pulling force of the elastic piece 28 and the acting force of the limit baffle 29 on the inner door 22.

The washing machine of the embodiment is designed to have the drum 5 of a non-porous structure, the drum 5 is used as a water containing barrel, and the space between the drum 5 and the outer barrel 6 is isolated during washing, so that the problem of secondary pollution caused by space interconnection between the inner barrel 6 and the outer barrel 6 is solved.

The washing machine of the embodiment adopts the door assembly 2 consisting of the inner door 21 and the outer door 21 to seal the roller 5, and the inner door 22 seals the roller 5 to prevent washing water from overflowing the roller 5 in the washing process; in the washing and dewatering process, the outer door 21 is fixed in position, the inner door 22 can move along with the roller 5, the inner door 21 and the outer door 21 are flexibly connected, interference between the inner door 21 and the outer door 21 when the inner door 22 moves is prevented, and reliability of the inner door 22 for sealing the roller 5 is guaranteed.

The washing machine of the embodiment is provided with the limit baffle 29 to limit clothes, so that the problem of poor sealing caused by that the clothes jack the inner door 22 is solved.

The washing machine of the present embodiment has the arc-shaped extension 522 at the mouth of the drum 5, so as to prevent the laundry from being damaged at the mouth during the washing process.

In the washing machine of the embodiment, the bearing 8 is arranged between the traction shaft 23 of the outer door 21 and the inner door 22, the inner ring of the bearing 8 is fixed on the rigid traction shaft 23, the position of the bearing 8 is fixed in the washing and dewatering process, the movement precision of the bearing 8 is ensured, and the vibration and noise of the bearing 8 in the washing and dewatering process are also reduced.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A washing machine, characterized by comprising:

a housing having an inlet port formed in a front side surface of the housing;

the drum is rotatably arranged in the shell and is of a non-porous structure used for containing washing water, and the front side surface of the drum is provided with a drum opening; and

a door assembly rotatably coupled to a front side of the housing to open and close the inlet opening, the door assembly in a closed state covering the nozzle, wherein the door assembly includes:

an outer door for opening and closing the inlet; and

and the inner door is flexibly connected to the inner side of the outer door, can close the drum opening and rotates along with the drum.

2. The washing machine as claimed in claim 1, wherein the door assembly further comprises:

the traction shaft is fixedly connected to one side of the outer door close to the inner side and penetrates through the inner door;

the bearing and the bearing seat are sleeved on the traction shaft; and

and the rubber ring is connected between the bearing seat and the inner door.

3. The washing machine as claimed in claim 2, wherein the door assembly further comprises:

and a plurality of elastic members radially connected between the bearing housing and the inner door to spring the inner door.

4. A washing machine as claimed in claim 3 wherein the inner door includes a circular portion and an edge portion at a periphery of the circular portion at an angle thereto, the resilient member being connected to the edge portion.

5. The washing machine as claimed in claim 2, wherein the door assembly further comprises:

and the limiting baffle is connected to one end, far away from the outer door, of the traction shaft and is positioned on the inner side of the inner door, and is used for stopping the impact of the washings on the inner door.

6. A washing machine as claimed in claim 5 wherein the rim of the mouth of the drum has an arcuate extension which curves inwardly of the drum, the limit stop being located within the extension in the axial direction.

7. The washing machine as claimed in claim 1, wherein magnetic gaskets are fixedly attached to opposite surfaces of the inner door and the drum, respectively.

8. The washing machine as claimed in claim 1, further comprising:

the main shaft is connected with the bottom wall of the roller and used for driving the roller to rotate, and the main shaft is provided with a hollow channel;

the sealing element is sleeved on the main shaft and fixed relative to the shell, and a water inlet cavity communicated with the hollow channel is formed in the sealing element;

one end of the water inlet pipe is connected with the sealing piece so that water flows into the roller from the water inlet pipe, the water inlet cavity and the hollow channel when water enters;

and the drain valve is arranged at the lifting rib of the roller, and the drain valve in an open state can be communicated with the inside and the outside of the roller so as to discharge the washing water in the roller.

9. The washing machine as claimed in claim 8, further comprising:

the outer cylinder is covered on the outer side of the roller, and the sealing element is formed by extending the bottom wall of the outer cylinder backwards.

10. A washing machine as claimed in claim 8 wherein the seal is connected to the main shaft by at least two bearings, the spacing between adjacent bearings forming the inlet chamber.

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