CN115710801A - Laundry appliance - Google Patents

Abstract

The invention relates to the technical field of clothes washing, and particularly provides a washing device, aiming at solving the problems that after clothes are washed, the existing washing device has residual water in a cylinder assembly, so that bacteria are easy to breed and secondary washing of a user is influenced. When the blocking mechanism blocks the air inlet pipeline and the air outlet pipeline from the outside, the ventilation port is communicated with the barrel assembly, and when the blocking mechanism blocks the ventilation port from the outside, the air inlet pipeline and the air outlet pipeline are communicated with the outside. The air drying device realizes air drying of the cylinder assembly, and avoids breeding bacteria and secondary washing of users.

Description

Laundry appliance

Technical Field

The invention relates to the technical field of clothes washing, and particularly provides a clothes washing device.

Background

Laundry devices are laundry treatment devices capable of washing, rinsing, dehydrating and/or drying laundry, some of which also have air washing, disinfecting, sterilizing, flavoring and other functions, and are of various types, such as the most common drum washing machines, pulsator washing machines and washing and drying machines.

Taking a roller washing machine as an example, the current roller washing machine includes urceolus and inner tube, when washing, pour into a certain amount of water into in the urceolus earlier, then the inner tube drives the clothing upset, realize the washing to the clothing, it imitates the principle design that the stick hammer hits the clothing, after washing the clothing, urceolus and the window pad of being connected with the urceolus are moist, have residual water on its inner wall promptly, long-time use breeds the bacterium very easily, if only open door glass, make urceolus and window pad natural drying its effect very limited, and the window pad contains the fold position, be unfavorable for the effluvium of steam very much, when user's secondary uses roller washing machine, bacterium and dirty in urceolus inner wall and the window pad cause secondary pollution to the clothing very easily, seriously influence its washing effect, make user experience not good. The washing-drying all-in-one machine is at least additionally provided with a drying system on the basis of the traditional drum washing machine, so that the drum washing machine has a drying function, and air washing can be realized on part of machine types, however, although the drying system can dry the residual water in the outer barrel and the window pad in a drying mode after washing clothes, the drying system of the washing-drying all-in-one machine adopts an internal circulation mode, so that water vapor still circulates between the drying air duct and the outer barrel, and the dehumidification of the washing-drying all-in-one machine mainly depends on a dehumidifying device of the drying system to dehumidify, so that if the residual water in the outer barrel and the window pad is further removed after the drying program is finished, the drying system is required to keep running, the energy consumption of the washing machine can be seriously increased, and the energy conservation is very unfavorable.

Therefore, there is a need in the art for a new laundry device to solve the above problems.

Disclosure of Invention

The invention aims to solve the technical problems that after clothes are washed, residual water exists in a barrel assembly of the existing washing equipment, so that bacteria are easy to breed and secondary washing of a user is affected.

The invention provides a laundry device, which comprises a drum assembly, a valve assembly and a fan, wherein the valve assembly comprises a blocking mechanism and a valve shell provided with an air inlet cavity and an air outlet cavity which are independently arranged, the air inlet cavity is communicated with an air inlet pipeline for communicating the outside with the drum assembly, the air outlet cavity is communicated with an air outlet pipeline for communicating the outside with the drum assembly, the fan is arranged to be capable of introducing air into the drum assembly from the air inlet pipeline, the air inlet cavity and/or the air outlet cavity is/are provided with an air vent communicated with the outside,

when the air inlet pipeline and the air outlet pipeline are isolated from the outside by the isolating mechanism, the ventilation port is communicated with the cylinder assembly,

when the blocking mechanism blocks the ventilation port from the cylinder assembly, the air inlet pipeline and the air outlet pipeline are communicated with the outside.

In the preferable technical scheme of the laundry equipment, the ventilation port is arranged on the air outlet cavity, the fan is communicated with the air inlet of the air inlet cavity, the air outlet of the air inlet cavity is communicated with the barrel assembly through the air inlet pipeline,

the blocking mechanism is arranged to block the ventilation port so as to communicate the air inlet and the air outlet of the air outlet cavity and communicate the air inlet and the air outlet of the air inlet cavity,

the blocking mechanism is also arranged to block the air outlet of the air outlet cavity so that the air inlet of the air outlet cavity is communicated with the ventilation port and the air inlet and the air outlet of the air inlet cavity are blocked.

In the preferable technical scheme of the laundry device, the air inlet and the air outlet of the air outlet cavity are located on opposite sides of the valve casing, the air outlet of the air outlet cavity and the air outlet of the air inlet cavity are located on the same side of the valve casing, and the ventilation port and the air inlet and the air outlet of the air outlet cavity are located on adjacent sides adapted to the valve casing.

In the preferable technical scheme of the laundry device, the blocking mechanism comprises a rotating motor, a first blocking plate and a second blocking plate, the first blocking plate is located in the air outlet cavity, the second blocking plate is located in the air inlet cavity, an output shaft of the rotating motor is connected with a transmission shaft, the first blocking plate and the second blocking plate are both arranged on the transmission shaft, and the rotating motor can drive the transmission shaft to rotate so that the first blocking plate and the second blocking plate rotate together.

In a preferred technical scheme of the laundry device, a first sealing structure and a second sealing structure are respectively arranged on two plate surfaces of the first barrier plate, and the first barrier plate can seal the air outlet of the air outlet cavity through the first sealing structure and seal the ventilation opening through the second sealing structure.

In a preferred technical solution of the above laundry device, the blocking mechanism includes a first rotating motor, a first blocking plate, and an opening and closing valve, the first blocking plate is disposed in the air outlet chamber, an output shaft of the first rotating motor is connected to the first blocking plate to drive the first blocking plate to rotate, and the opening and closing valve is disposed in the air inlet chamber or the air inlet pipeline.

In the preferable technical scheme of the laundry device, two plate surfaces of the first barrier plate are respectively provided with a first sealing structure and a second sealing structure, and the first barrier plate can seal the air outlet of the air outlet cavity through the first sealing structure and seal the ventilation opening through the second sealing structure.

In a preferred embodiment of the laundry device, the opening/closing valve includes a second rotary motor and a second blocking plate, the second blocking plate is disposed in the air inlet chamber or the air inlet pipeline, and an output shaft of the second rotary motor is connected to the second blocking plate to drive the second blocking plate to rotate.

In a preferred embodiment of the laundry machine, the on-off valve is an electromagnetic valve.

In a preferred technical scheme of the laundry device, the drum assembly comprises an outer drum and a window gasket which are connected, the air inlet pipeline is communicated with the window gasket, and the air outlet pipeline is communicated with the outer drum.

Under the condition of adopting the technical scheme, the air drying device can start the fan when the barrel assembly is dried, so that the outside air enters the barrel assembly from the air inlet pipeline, and then the air is discharged through the air outlet pipeline, so that the humid air in the barrel assembly is taken out of the barrel assembly, thereby realizing the air drying of the barrel assembly, avoiding the bacteria growing in the barrel assembly and influencing the secondary washing of a user, and when clothes are required to be washed, the air inlet pipeline and the air outlet pipeline can be separated from the outside, avoiding the outside dirt from entering the barrel assembly, and at the moment, the ventilation port can realize the function of balancing the air pressure inside and outside the barrel assembly, avoiding the pressure imbalance of the barrel assembly and prolonging the service life of the washing equipment.

Further, can drive the transmission shaft through rotating the motor and rotate and then realize the rotation of first baffler and second baffler to realize the separation in the time of air inlet pipeline and air outlet pipeline and the external world, through such setting, can reduce the space that the separation mechanism needs to occupy as far as possible, more be favorable to laundry device overall space structure's overall arrangement design, and simple structure easily makes.

Furthermore, the air outlet of the air outlet cavity and the air vent are separated in the air outlet cavity, and the separation structure in the air inlet structure and the separation structure in the air outlet structure are independently arranged, so that the independent control of the air outlet part and the air inlet part can be realized, and more flexibility is provided for the design of the laundry equipment.

Further, first seal structure and second seal structure on the first baffler board can realize that the air outlet in wind chamber switches the sealed when separation with ventilative mouthful, prevent gas leakage, improve laundry equipment's leakproofness, and then improve laundry equipment's security.

Further, the air inlet pipeline communicates with the window pad, goes out air pipeline and urceolus intercommunication for outside air can be followed the window pad and got into, air-dries the window pad earlier, then air-dries the urceolus again, and the moist air is discharged via going out the air pipeline at last, makes urceolus and window pad can be air-dried by the while, avoids causing secondary pollution when the user carries out the secondary to the clothing and washs, influences user's use and experiences.

Drawings

The preferred embodiments of the present invention will be described with reference to the accompanying drawings in conjunction with a drum washing machine, wherein:

fig. 1 is an overall structural view of a drum washing machine of the present invention;

FIG. 2 is a first schematic structural view of a first embodiment of a blower and valve assembly of the drum washing machine of the present invention;

FIG. 3 is a second structural schematic diagram of the first embodiment of the blower and valve assembly of the drum washing machine of the present invention;

FIG. 4 is a third schematic structural view of the first embodiment of the blower and valve assembly of the drum washing machine of the present invention;

FIG. 5 is a fourth schematic structural view of the first embodiment of the blower and valve assembly of the drum washing machine of the present invention;

FIG. 6 isbase:Sub>A cross-sectional view A-A of FIG. 5 (in the fresh air state);

FIG. 7 isbase:Sub>A sectional view A-A of FIG. 5 (inbase:Sub>A washing state);

fig. 8 is a schematic structural view of a second embodiment of the blower and valve assembly of the drum washing machine according to the present invention.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, although the present invention has been described in conjunction with a drum washing machine, it is apparent that the technical principles of the present invention are also applicable to a washing and drying machine, or a multiple laundry treating apparatus, and the adjustment or modification of the application objects do not constitute a limitation of the present invention, and should be limited within the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "middle", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "communicating" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.

Based on the problems that after clothes are washed, the existing drum washing machine has residual water in the drum assembly, so that bacteria are easy to breed and secondary washing of a user is affected, the invention provides a drum washing machine, and aims to realize air drying of the drum assembly, avoid bacteria breeding in the drum assembly and avoid secondary washing of the user from being affected.

Specifically, as shown in fig. 1, the drum washing machine of the present invention includes a box 1 and a drum assembly disposed in the box 1, the drum assembly includes an inner drum 2, an outer drum 3 and a window pad 4, the inner drum 2 is rotatably disposed in the outer drum 3, the window pad 4 connects an opening of the outer drum 3 with a laundry input opening of the box 1, the inner drum 2 can be directly driven to rotate by a direct drive motor, and the inner drum 2 can also be driven to rotate by a belt driven by the motor. The tub 3 serves to receive wash water, the tub 2 serves to turn laundry, and the window gasket 4 ensures sealing between the tub 3 and the cabinet 1.

It should be noted that, the conventional washing procedure of the drum washing machine includes a washing process, a rinsing process, a dewatering process and a draining process, in some drum washing machines, the washing procedure may omit the dewatering process, and such adjustment or change of the conventional washing procedure of the drum washing machine does not limit the present invention, and should be limited within the protection scope of the present invention, wherein, the washing process may generate a great amount of foam due to the existence of detergent/washing powder, and after the draining process is finished, the inner surface of the outer tub 3 and the inner surface of the window mat 4 may have residual water.

As shown in fig. 1 to 8, the drum washing machine of the present invention further includes a valve assembly and a blower 5, the valve assembly includes a blocking mechanism and a valve housing 6 having an air inlet chamber 61 and an air outlet chamber 62 which are independently arranged from each other, the air inlet chamber 61 is communicated with an air inlet pipe 7 for communicating the outside with the drum assembly, the air outlet chamber 62 is communicated with an air outlet pipe 8 for communicating the outside with the drum assembly, the blower 5 is arranged to be able to introduce air into the drum assembly from the air inlet pipe 7, as shown in fig. 1, the air inlet pipe 7 is preferably communicated with the window gasket 4, the air outlet pipe 8 is preferably communicated with the outer drum 3, the blower 5 may be arranged on the air inlet pipe 7 or the air outlet pipe 8, and of course, the blower 5 may be arranged at the air inlet 61a or the air outlet 61b of the air inlet chamber 61 or at the air inlet 62a or the air outlet 62b of the air outlet chamber 62, as long as the drum washing machine air dries the inside of the drum assembly. The air inlet cavity 61 is communicated with an air inlet pipeline 7 for communicating the outside with the barrel assembly, the outside can be directly communicated with an air inlet 61a of the air inlet cavity 61, then an air outlet 61b of the air inlet cavity 61 is communicated with the barrel assembly through the air inlet pipeline 7, or the air inlet pipeline 7 is provided with two sections, one section is communicated with the air inlet 61a of the air inlet cavity 61, and the other section is communicated with the air outlet 61b of the air inlet cavity 61 and the barrel assembly. Similarly, the air outlet cavity 62 is communicated with an air outlet pipeline 8 for communicating the outside with the barrel assembly, the air outlet 62b of the air outlet cavity 62 can be directly communicated with the outside, then the barrel assembly is communicated with the air inlet 62a of the air outlet cavity 62 through the air outlet pipeline 8, or the air outlet pipeline 8 has two sections, one section of the air outlet pipeline is communicated with the air inlet 62a of the air outlet cavity 62, and the other section of the air outlet pipeline 8 is communicated with the outside through the air outlet 62b of the air outlet cavity 62.

In the above, as shown in fig. 4 to 8, the ventilating opening 9 communicating with the outside is provided on the air inlet chamber 61 and/or the air outlet chamber 62 (in the case of providing the ventilating opening 9 on the air outlet chamber 62 shown in the figure), when the drum washing machine performs the washing process and the blocking mechanism blocks the air inlet duct 7 and the air outlet duct 8 from the outside, the ventilating opening 9 communicates with the drum assembly, in such a way, the balance of the air pressure inside and outside the drum assembly can be achieved through the ventilating opening 9, the unbalance of the air pressure inside and outside the drum assembly can be avoided, and the air inlet duct 7 and the air outlet duct 8 are blocked from the outside (it should be noted that, in the present invention, the air inlet duct 7 and the air outlet duct 8 are both blocked from the outside to mean that the drum assembly can communicate with the outside only through the ventilating opening 9), it can be ensured that the foam in the drum assembly can not overflow to the outside, and at the same time, in order to ensure that the foam can not overflow from the ventilating opening 9 to the outside, the ventilation port 9 can be communicated with a ventilation pipeline with a plurality of bending sections or other foam overflow preventing structures, so that foam overflow of the ventilation port 9 is avoided, when the roller washing machine executes a washing program and fresh air is needed to air-dry the barrel assembly or clothes in the barrel assembly need to be deodorized and the ventilation port 9 is blocked by the blocking mechanism, the air inlet pipeline 7 and the air outlet pipeline 8 are communicated with the outside, in such a way, outside air can be introduced into the barrel assembly through the air inlet pipeline 7 and then is discharged to the outside through the air outlet pipeline 8, and the ventilation port 9 is closed to avoid air outlet at the ventilation port 9, in a preferred situation, the front panel of the box body 1 is provided with an opening communicated with the outside, the air outlet pipeline 8 is communicated with the opening, and a user can feel air outlet at the opening, close ventilative mouthful 9 and can guarantee that the opening has sufficient amount of wind, guarantee that the user can look over whether normal operating of new trend function, improve user's intuitional experience. In the invention, the air inlet cavity 61 can be independently provided with the air vent 9, the air outlet cavity 62 can be independently provided with the air vent 9, and the air inlet cavity 61 and the air outlet cavity 62 can be both provided with the air vent 9. For example, in a possible case, as shown in fig. 2 to 8, the blower 5 is disposed at the air inlet 61a of the air inlet chamber 61, that is, after the blower 5 is started, its fan blades introduce outside air into the casing of the blower 5 and then feed the air into the air inlet 61a of the air inlet chamber 61, and then feed the air into the barrel assembly via the air outlet 61b of the air inlet chamber 61, and the air in the barrel assembly enters the air outlet chamber 62 through the air inlet 62a of the air outlet chamber 62 (the above process omits the description of the air inlet pipe 7 and the air outlet pipe 8), at this time, the vent 9 can be disposed on the air outlet chamber 62, and the blocking mechanism can selectively close one of the air outlet 62b and the vent 9 of the air outlet chamber 62, that is, close the air outlet 62b of the air outlet chamber 62 and open the vent 9, or close the vent 9 and open the air outlet 62b of the air outlet chamber 62, so as the drum washing machine performs a washing procedure, the blocking mechanism closes the air inlet 62b of the air outlet chamber 62, blocks the air inlet 61b of the air outlet chamber 61 and opens the vent 9, and prevents bubbles from overflowing when the drum washing machine performs a washing procedure, the drum is opened, and the air outlet 62 is blocked. For example, in another possible case, the fan 5 is disposed at the outlet 62b of the outlet chamber 62, the vent port 9 can be disposed on the inlet chamber 61, the blocking mechanism can selectively close one of the inlet 61a and the vent port 9 of the inlet chamber 61, i.e., close the inlet 61a of the inlet chamber 61 and open the vent port 9 or close the vent port 9 and open the inlet 61a of the inlet chamber 61, when the drum washing machine performs a washing process, the blocking mechanism closes the inlet 61a of the inlet chamber 61, blocks the outlet chamber 62 and opens the vent port 9 to balance the air pressure and prevent foam from overflowing, when the drum washing machine completes washing and needs to air dry or deodorize the drum assembly, the blocking mechanism opens the inlet 61a of the inlet chamber 61, leads the air outlet chamber 62 and closes the vent port 9, the fan 5 starts to introduce the external air from the inlet 61a of the inlet chamber 61 into the inlet chamber 61, and then feeds the air into the inlet chamber 61b of the inlet chamber 61 via the outlet 61b of the inlet chamber 61, the air in the assembly further enters the outlet chamber 62 via the inlet 62a duct 62, and finally discharges the air from the outlet duct 62 to the outlet 62 of the fan 5 to the cabinet 8 (the above-described process). In the present invention, the fan 5 is preferably a centrifugal fan.

It should be noted that the vent 9 is used for balancing the internal and external air pressures of the drum assembly, and the air inlet 61a and the air outlet 61b of the air inlet chamber 61 and the air inlet 62a and the air outlet 62b of the air outlet chamber 62 are all used for introducing and sending out fresh air, the aperture of the vent 9 is generally smaller than the tube diameter of the air inlet pipe 7, the tube diameter of the air outlet pipe 8, the aperture of the air inlet 61a and the air outlet 61b of the air inlet chamber 61 and the aperture of the air inlet 62a and the air outlet 62b of the air outlet chamber 62, for example, the vent 9 may be set to 0.5 to 1cm, the tube diameter of the air inlet pipe 7, the tube diameter of the air outlet pipe 8, the aperture of the air inlet 61a and the air outlet 61b of the air inlet chamber 61 and the aperture of the air inlet 62a and the air outlet 62b of the air outlet chamber 62 may be set to 4 to 8cm, that the tube diameters of the air inlet pipe 7, the air outlet pipe 8, the aperture of the air inlet 61a and the air outlet 61b of the air inlet chamber 62a and the air outlet 62b of the air outlet chamber 62 may be set to 4 to 8cm, thus the drum assembly can be used for performing a laundry machine, and a laundry machine can perform a laundry process when the laundry machine is required for balancing the drum assembly, and laundry machine. Of course, the specific numerical ranges of the aperture of the ventilation opening 9, the aperture of the air inlet pipeline 7, the aperture of the air outlet pipeline 8, the apertures of the air inlet 61a and the air outlet 61b of the air inlet cavity 61, and the apertures of the air inlet 62a and the air outlet 62b of the air outlet cavity 62 are only exemplary and do not limit the present invention.

As shown in fig. 2 to 8, the technical solution of the present invention will be further explained by taking a preferred case that the ventilation opening 9 is disposed on the air outlet chamber 62, the fan 5 is communicated with the air inlet 61a of the air inlet chamber 61, and the air outlet 61b of the air inlet chamber 61 is communicated with the cartridge assembly through the air inlet pipeline 7.

Specifically, in this case, the blocking mechanism is provided to be able to block the air vent 9 so that the inlet port 62a and the outlet port 62b of the air outlet chamber 62 communicate and the inlet port 61a and the outlet port 61b of the air inlet chamber 61 communicate, and the blocking mechanism is also provided to be able to block the outlet port 62b of the air outlet chamber 62 so that the inlet port 62a of the air outlet chamber 62 communicates with the air vent 9 and the inlet port 61a and the outlet port 61b of the air inlet chamber 61 block.

Preferably, as shown in fig. 2 to 8, the inlet 62a and the outlet 62b of the outlet chamber 62 are located on opposite sides of the valve housing 6, the outlet 62b of the outlet chamber 62 is located on the same side of the valve housing 6 as the outlet 61b of the inlet chamber 61, and the vent opening 9 and the inlet 62a and the outlet 62b of the outlet chamber 62 are located on adjacent sides adapted to the valve housing 6.

In the present invention, a person skilled in the art can flexibly set the positions of the air inlet 61a of the air inlet cavity 61, the air outlet 61b of the air inlet cavity 61, the air inlet 62a of the air outlet cavity 62, the air outlet 62b of the air outlet cavity 62, and the vent 9 on the valve housing 6, the blocking mechanism can adopt a set of blocking structures to realize the selective blocking of the air inlet pipeline 7 and the air outlet pipeline 8 from the outside and the opening and closing of the vent 9, and the blocking mechanism can also adopt two sets of blocking structures to realize the selective blocking of the air inlet pipeline 7 and the air outlet pipeline 8 from the outside and the opening and closing of the vent 9.

In a preferred case, as shown in fig. 2 to 7, the blocking mechanism includes a rotating motor 10, a first blocking plate 11 and a second blocking plate 12, the first blocking plate 11 is located in the air outlet chamber 62, the second blocking plate 12 is located in the air inlet chamber 61, an output shaft of the rotating motor 10 is connected with a transmission shaft, the first blocking plate 11 and the second blocking plate 12 are both disposed on the transmission shaft, and the rotating motor 10 can drive the transmission shaft to rotate so that the first blocking plate 11 and the second blocking plate 12 rotate together. When the drum washing machine executes a washing program, the rotating motor 10 drives the transmission shaft to rotate so as to enable the first barrier plate 11 and the second barrier plate 12 to rotate together, the first barrier plate 11 covers the air outlet 62b of the air outlet cavity 62, the second barrier plate 12 covers the air outlet 61b of the air inlet cavity 61, and meanwhile, the first barrier plate 11 enables the ventilation port 9 to be opened (see fig. 7), so that ventilation of the barrel assembly is realized, and the air pressure balance between the inside and the outside of the barrel assembly is ensured. When the drum washing machine executes a washing program and needs to air-dry the drum assembly or a user does not take clothes and needs to remove odor from the clothes, the rotating motor 10 drives the transmission shaft to rotate so that the first barrier plate 11 and the second barrier plate 12 rotate together, the first barrier plate 11 covers the ventilation opening 9, the first barrier plate 11 and the second barrier plate 12 enable the air inlet and the air outlet of the air inlet cavity 61 and the air inlet and the air outlet of the air outlet cavity 62 to be communicated (see fig. 6), and after the fan 5 is started, outside air can enter the drum assembly through the air inlet pipeline 7 and can be discharged to the outside through the air outlet pipeline 8, so that the drum assembly can be air-dried or the clothes can be deodorized.

In the above, as shown in fig. 6 and 7, it is preferable that the first blocking plate 11 is provided with a first sealing structure 13 and a second sealing structure 14 on two plate surfaces, the first blocking plate 11 can seal the air outlet 62b of the air outlet cavity 62 through the first sealing structure 13 and seal the air vent 9 through the second sealing structure 14, that is, the first blocking plate 11 rotates and seals the air outlet 62b of the air outlet cavity 62 through the first sealing structure 13 when the drum washing machine performs a washing procedure (see fig. 7), the first blocking plate 11 rotates and seals the air vent 9 through the second sealing structure 14 when the drum washing machine performs a fresh air procedure (see fig. 6), according to the orientation in fig. 6 and 7, the first blocking plate 11 is in a horizontal position and seals the air vent 9 b of the air outlet cavity 62 when the first blocking plate 11 is in a vertical position, the first sealing structure 13 and the second sealing structure 14 may be sealing rings or sealing gaskets, or other structures capable of achieving sealing, and those skilled in the art can flexibly set the specific sealing structures of the first blocking plate 13 and the second sealing structure 14 in practical application, and the air vent 9 b can be sealed through the specific sealing structures of the air vent 9 and the second sealing structure 14.

In another preferable case, as shown in fig. 8, the blocking mechanism includes a first rotary electric motor 10a, a first blocking plate provided in the air outlet chamber 62, an output shaft of the first rotary electric motor 10a connected to the first blocking plate to drive the first blocking plate to rotate, and an open/close valve provided in the air inlet chamber 61 or the air inlet duct 7. The first rotating motor 10a may be directly connected to the first barrier plate through an output shaft thereof, or indirectly connected to the first barrier plate through a transmission shaft. Taking the example that the output shaft of the first rotating motor 10a is connected with the first blocking plate through the first transmission shaft, when the drum washing machine executes a washing program, the first rotating motor 10a drives the first transmission shaft to rotate so as to rotate the first blocking plate, the first blocking plate covers the air outlet 62b of the air outlet cavity 62, the air inlet cavity 61 or the air inlet pipeline 7 is closed by the opening and closing valve, and the ventilation port 9 is opened by the first blocking plate, so that ventilation of the barrel assembly is realized, and the balance of the internal and external air pressures is ensured. When the drum washing machine executes a washing program and needs to air-dry the drum assembly or a user does not take clothes and needs to remove odor from the clothes, the first rotating motor 10a drives the first transmission shaft to rotate so as to enable the first blocking plate to rotate, the first blocking plate covers the ventilation opening 9, meanwhile, the first blocking plate and the opening and closing valve enable the ventilation opening of the air inlet cavity 61 and the ventilation opening of the air outlet cavity 62 to be communicated, and after the fan 5 is started, external air can enter the drum assembly through the air inlet pipeline 7 and be discharged to the outside through the air outlet pipeline 8, so that the drum assembly is air-dried or the clothes are deodorized. In this embodiment, the on-off valve may be an electromagnetic valve, and of course, the on-off valve may also adopt a structure in which a rotating motor and a baffle plate are matched, for example, the on-off valve includes a second rotating motor 10b and a second baffle plate, the second rotating motor 10b is independent from the first rotating motor 10a, the second baffle plate is disposed in the air inlet chamber 61 or the air inlet pipe 7, an output shaft of the second rotating motor 10b is connected with the second baffle plate to drive the second baffle plate to rotate, wherein the second rotating motor 10b may be directly connected with the second baffle plate through an output shaft thereof, or indirectly connected with the second baffle plate through a transmission shaft, for example, the output shaft of the second rotating motor 10b is connected with the second baffle plate through a second transmission shaft, the second rotating motor 10b may be disposed on the air inlet chamber 61 or the air inlet pipe 7, when the drum washing machine performs a washing procedure, the second rotating motor 10b drives the second transmission shaft to rotate the second baffle plate, the second baffle plate blocks the air inlet chamber 61 or the air inlet pipe 7, when the drum washing machine performs a washing procedure, and the drum washing procedure needs to dry or deodorize the laundry, and the laundry, the second rotating drum washing machine performs a washing procedure to remove the laundry, and the laundry.

In the foregoing, similarly to the foregoing, it is preferable that the two plate surfaces of the first barrier plate are respectively provided with a first sealing structure and a second sealing structure, the first barrier plate can seal the air outlet 62b of the air outlet cavity 62 by the first sealing structure and seal the air vent 9 by the second sealing structure, that is, when the drum washing machine executes a washing program, the first barrier plate rotates and seals the air outlet 62b of the air outlet cavity 62 by the first sealing structure, when the drum washing machine executes a fresh air program, the first barrier plate rotates and seals the air vent 9 by the second sealing structure, according to the orientation in the figure, the first barrier plate is in the horizontal position and seals the air vent 9, and when the first barrier plate is in the vertical position, the air outlet 62b of the air outlet cavity 62 is sealed, the first sealing structure and the second sealing structure may be sealing rings, or sealing gaskets, or other structures capable of realizing sealing, and a person skilled in the art can flexibly set the specific sealing structures of the first sealing structure and the second sealing structure in practical application, as long as the sealing structures of the air vent 9 and the air outlet 62b of the air vent cavity 62 are respectively realized by the first sealing structures and the second sealing structures.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (10)

1. A laundry appliance, characterized in that the laundry appliance comprises a drum assembly, a valve assembly and a fan, the valve assembly comprises a blocking mechanism and a valve shell provided with an air inlet cavity and an air outlet cavity which are arranged independently, the air inlet cavity is communicated with an air inlet pipeline for communicating the outside with the drum assembly, the air outlet cavity is communicated with an air outlet pipeline for communicating the outside with the drum assembly, the fan is arranged to be capable of leading air into the drum assembly from the air inlet pipeline, the air inlet cavity and/or the air outlet cavity is provided with an air vent communicated with the outside,

when the air inlet pipeline and the air outlet pipeline are isolated from the outside by the isolation mechanism, the ventilation port is communicated with the cylinder assembly,

when the air vent and the cylinder assembly are blocked by the blocking mechanism, the air inlet pipeline and the air outlet pipeline are communicated with the outside.

2. The laundry appliance of claim 1, wherein the vent opening is disposed in the air outlet chamber, the blower is in communication with an air inlet of the air inlet chamber, an air outlet of the air inlet chamber is in communication with the cartridge assembly via the air inlet conduit,

the blocking mechanism is arranged to block the ventilation port so as to communicate the air inlet and the air outlet of the air outlet cavity and communicate the air inlet and the air outlet of the air inlet cavity,

the blocking mechanism is also arranged to block the air outlet of the air outlet cavity so as to communicate the air inlet of the air outlet cavity with the ventilation port and block the air inlet and the air outlet of the air inlet cavity.

3. A laundry appliance as claimed in claim 2, wherein the air inlet and outlet openings of the air outlet chamber are located on opposite sides of the valve housing, the air outlet opening of the air outlet chamber is located on the same side of the valve housing as the air outlet opening of the air inlet chamber, and the ventilation opening is located on an adjacent side of the valve housing to the air inlet and outlet openings of the air outlet chamber.

4. The laundry appliance of claim 3, wherein the blocking mechanism includes a rotating motor, a first blocking plate and a second blocking plate, the first blocking plate is located in the air outlet cavity, the second blocking plate is located in the air inlet cavity, an output shaft of the rotating motor is connected to a transmission shaft, the first blocking plate and the second blocking plate are both disposed on the transmission shaft, and the rotating motor can drive the transmission shaft to rotate so that the first blocking plate and the second blocking plate rotate together.

5. The laundry appliance according to claim 4, wherein the first barrier plate has a first sealing structure and a second sealing structure respectively disposed on two plate surfaces thereof, and the first barrier plate is capable of sealing the air outlet of the air outlet chamber by the first sealing structure and sealing the air vent by the second sealing structure.

6. A laundry appliance according to claim 3, wherein the blocking mechanism comprises a first rotary motor, a first blocking plate provided in the air outlet chamber, an output shaft of the first rotary motor being connected to the first blocking plate to drive the first blocking plate to rotate, and an open/close valve provided in the air inlet chamber or the air inlet duct.

7. The laundry appliance according to claim 6, wherein the first barrier plate has a first sealing structure and a second sealing structure respectively disposed on two plate surfaces thereof, and the first barrier plate is capable of sealing the air outlet of the air outlet chamber by the first sealing structure and sealing the air vent by the second sealing structure.

8. The laundry apparatus according to claim 6, wherein the opening and closing valve includes a second rotary motor and a second blocking plate, the second blocking plate is disposed in the air inlet chamber or the air inlet duct, and an output shaft of the second rotary motor is connected to the second blocking plate to drive the second blocking plate to rotate.

9. A laundry appliance according to claim 6, wherein the on-off valve is a solenoid valve.

10. A laundry appliance as claimed in any one of claims 1 to 9, wherein the cartridge assembly comprises an outer cartridge and a window pad connected, the air inlet conduit communicating with the window pad and the air outlet conduit communicating with the outer cartridge.

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