CN220376961U

CN220376961U - Ventilation assembly and clothes treatment device

Info

Publication number: CN220376961U
Application number: CN202321436272.7U
Authority: CN
Inventors: 马德荣; 巫志远; 牟秋启
Original assignee: Wuxi Little Swan Electric Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2024-01-23
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a ventilation assembly and a clothes treatment device, wherein the ventilation assembly comprises a wind shield, an air duct shell and a switching device, wherein the wind shield is provided with a first air outlet part, a second air outlet part and a third air outlet part; an air inlet cavity and an air outlet cavity are defined between the air duct shell and the wind shield, the air outlet cavity comprises a first air duct communicated with the first air outlet part and the air inlet cavity, a second air duct communicated with the second air outlet part and the air inlet cavity, and a third air duct communicated with the third air outlet part and the air inlet cavity, and the third air duct is positioned between the first air duct and the second air duct; the switching device is arranged on the air duct shell and used for opening and closing the inlet of the third air duct to control the on-off of the air flow between the third air duct and the air inlet cavity, the ventilation assembly is used for limiting a plurality of independent air ducts, and the air flow is provided with different running paths through the switching device, so that the clothes treatment device can be switched between different ventilation modes, and the flow speed and the flow quantity of the air flow which is introduced into the clothes treatment cavity and the distribution of the air flow in the clothes treatment cavity are better adjusted.

Description

Ventilation assembly and clothes treatment device

Technical Field

The utility model relates to the technical field of clothes treatment devices, in particular to a ventilation assembly and a clothes treatment device.

Background

In the prior art, the clothes treatment device is only provided with a strip-shaped fixed air duct for introducing dry air flow into the clothes treatment cavity, and because the shape of an air inlet channel of the clothes treatment device is fixed, the clothes treatment device can only adjust the flow speed and the flow rate of the air flow introduced into the clothes treatment cavity through a fan, the flow speed and the flow rate control process of the dry air flow in the clothes treatment cavity are complex, the direction of the dry air flow entering the clothes treatment cavity and the air inlet position are fixed, dead angles possibly exist in the clothes treatment process, the uniformity of the dry clothes is poor, the effect of the clothes treatment device on clothes treatment is influenced, the use experience of a user is influenced, and the improvement space exists.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the utility model provides the ventilation assembly, which defines a plurality of independent air channels, and the air flow has different running paths through the switching device, so that the clothes treatment device can switch between different ventilation modes, and the flow speed and the flow quantity of the air flow introduced into the clothes treatment cavity and the distribution of the air flow in the clothes treatment cavity are better adjusted.

The utility model also provides a clothes treatment device with the ventilation assembly.

A ventilation assembly according to an embodiment of the present utility model includes: the wind shield is provided with a first wind outlet part, a second wind outlet part and a third wind outlet part; an air inlet cavity and an air outlet cavity are defined between the air duct shell and the wind shield, the air outlet cavity comprises a first air duct communicated with the first air outlet part and the air inlet cavity, a second air duct communicated with the second air outlet part and the air inlet cavity, and a third air duct communicated with the third air outlet part and the air inlet cavity, and the third air duct is positioned between the first air duct and the second air duct; and the switching device is arranged on the air duct shell and used for opening and closing the inlet of the third air duct so as to control the on-off of the air flow between the third air duct and the air inlet cavity.

According to the ventilation assembly provided by the embodiment of the utility model, the ventilation assembly defines a plurality of independent air channels, and the air flow has different running paths through the switching device, so that the clothes treatment device can be switched between different ventilation modes, and the flow speed and the flow quantity of the air flow entering the clothes treatment cavity and the distribution of the air flow in the clothes treatment cavity are better adjusted.

In addition, the ventilation assembly according to the embodiment of the utility model can also have the following additional technical characteristics:

according to some embodiments of the utility model, the air inlet cavity and the air outlet cavity are arranged in a first direction, and the first air duct, the third air duct and the second air duct are arranged side by side in a second direction intersecting the first direction.

According to some embodiments of the utility model, the air duct housing comprises: a housing; two partitions arranged in the housing at intervals, each of the partitions being connected to the bottom wall of the housing; the third air duct is located between the two separating pieces, the first air duct is located between one of the separating pieces and the side wall of the housing, and the second air duct is located between the other separating piece and the side wall of the housing.

According to some embodiments of the utility model, a first end of each of the dividers in the length direction is connected to a side wall of the housing, an inlet of the third air duct is located between a second end of two of the dividers in the length direction, an inlet of the first air duct is located between a second end of one of the dividers in the length direction and a side wall of the housing, and an inlet of the second air duct is located between the other of the dividers and a side wall of the housing.

According to some embodiments of the utility model, the air inlet cavity is used for installing a wind wheel, a volute tongue is arranged on the side wall of the housing, the volute tongue is located between the wind wheel and the air outlet cavity, and at least one part of the two separating pieces extend towards each other along the direction of approaching the volute tongue.

According to some embodiments of the utility model, the wind shield has a first air outlet region corresponding to the first air duct position, a second air outlet region corresponding to the second air duct position, and a third air outlet region corresponding to the third air duct position, wherein the first air outlet portion is arranged in the first air outlet region, the second air outlet portion is arranged in the second air outlet region, and the third air outlet portion is arranged in the third air outlet region.

According to some embodiments of the utility model, the wind deflector further has a fourth air outlet region, the fourth air outlet region corresponds to a part of the air inlet cavity near the air outlet cavity, and the fourth air outlet region is provided with a fourth air outlet part communicated with the air inlet cavity.

According to some embodiments of the utility model, the wind deflector further has an air outlet forming an inlet of the air inlet chamber.

According to some embodiments of the utility model, the switching device comprises a rotatable wind shield for opening and closing the inlet of the third air duct.

According to some embodiments of the utility model, the bottom wall of the air duct case is provided with a fixed shaft perpendicular thereto, and the wind shielding member is provided to the fixed shaft and configured to rotate around the fixed shaft under the driving of the air flow.

According to some embodiments of the utility model, the wind shielding member includes a plurality of wind shielding sheets, the wind shielding sheets are arranged at intervals in a circumferential direction of the fixed shaft, and at least two wind shielding sheets are disposed opposite to each other on both sides of the fixed shaft.

According to some embodiments of the utility model, the projection shape of at least two wind shields on the plane of the inlet of the third air duct is the same as the shape of the inlet of the third air duct.

According to some embodiments of the utility model, the wind shield forms a helical blade.

According to some embodiments of the utility model, the fixed shaft is disposed in a middle of an inlet of the third air duct.

According to some embodiments of the utility model, the air duct housing is provided with a rotating shaft parallel to the bottom wall thereof, and the wind shielding member is arranged on the rotating shaft and rotates along with the rotating shaft.

According to some embodiments of the utility model, the switching device further comprises a driving motor connected to the rotating shaft for driving the rotating shaft to rotate.

According to some embodiments of the utility model, the inlet of the first air duct and the inlet of the second air duct are in a normally open state.

A laundry treating apparatus according to an embodiment of a second aspect of the present utility model includes a ventilation assembly according to an embodiment of the above-described first aspect of the present utility model.

According to some embodiments of the utility model, the laundry treating apparatus further comprises: the clothes treating barrel is provided with a clothes treating cavity, a first air inlet part and a second air inlet part which are communicated with the clothes treating cavity, a first air passing cavity and a second air passing cavity are defined between the wind shield and the bottom wall of the clothes treating barrel, and the first air passing cavity surrounds the outer side of the second air passing cavity; the first air inlet part is communicated with the first air outlet part and the second air outlet part through the first air passing cavity, and the second air inlet part is communicated with the third air outlet part through the second air passing cavity.

According to some embodiments of the utility model, an air guide is disposed in the laundry treating tub, and the air guide is used for communicating the laundry treating chamber with the first air inlet portion or the second air inlet portion.

Drawings

Fig. 1 is an exploded view of a laundry treating apparatus according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a laundry treating apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a ventilation assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a wind deflector according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a laundry treating tub according to an embodiment of the present utility model;

FIG. 6 is a partial structural schematic view of a laundry treating assembly according to an embodiment of the present utility model;

fig. 7 is a schematic structural view of a laundry treating tub according to an embodiment of the present utility model;

fig. 8 is a partial structural schematic view of a laundry treating apparatus according to an embodiment of the present utility model;

FIG. 9 is a schematic structural view of a ventilation assembly according to an embodiment of the present utility model;

FIG. 10 is a schematic structural view of a ventilation assembly according to an embodiment of the present utility model;

FIG. 11 is a schematic structural view of a ventilation assembly according to an embodiment of the present utility model;

fig. 12 is a schematic structural view of a ventilation assembly according to an embodiment of the present utility model.

Reference numerals:

the laundry treating apparatus 1000, the air duct housing assembly 100,

the air duct case 10, the second casing 1, the first casing 2, the partition 21, the first partition plate 211, the second partition plate 212, the reinforcing rib 213, the first partition section 214, the second partition section 215, the reinforcing cavity 217, the sound deadening hole 22, the volute tongue 23,

A first air duct 021, a second air duct 022, a third air duct 023, an air inlet cavity 024,

switching device 3, wind shield 31, wind shield 311, fixed shaft 321, rotating shaft 32, driving motor 33,

the wind shield 4, the first air outlet area 41, the first air outlet part 041, the second air outlet area 42, the second air outlet area 042, the third air outlet area 43, the third air outlet part 043, the fourth air outlet area 44, the fourth air outlet part 044, the air passing opening 45, the first air outlet hole 411, the second air outlet hole 421,

the clothes treating assembly 200, the annular sealing structure 5, the outer sealing ring 51, the first air passing cavity 051, the inner sealing ring 52, the second air passing cavity 052, the clothes treating barrel 6, the clothes treating cavity 061, the first air inlet region 062, the first air inlet region 0621, the second air inlet region 063, the second air inlet region 0631, the air guiding piece 7, the ventilation cavity 071, the first ventilation section 0711, the second ventilation section 0712, the ventilation hole 72, the body 73, the air passing piece 74 and the wind wheel 300.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The ventilation assembly according to the embodiment of the utility model can be used for a clothes treatment device, wherein the clothes treatment device can be a clothes dryer, and the clothes treatment device enables clothes to be dried by introducing dry air flow into the inner cavity of the clothes treatment barrel. Specifically, the clothes treating apparatus includes a clothes treating tub defining a clothes treating chamber in which clothes to be treated are placed, and in which the clothes are treated, and in the course of treating the clothes, dry air flow is required to be introduced into the clothes treating chamber through an air duct defined by a ventilation assembly located at a rear side of the clothes treating chamber, so that the clothes are dried by the dry air flow.

The traditional clothes treatment device only has a fixed wind channel of bar shape and is used for letting in dry air current to the clothes treatment intracavity, because the air inlet channel shape of clothes treatment device is fixed, clothes treatment device can only adjust the velocity of flow and the flow of the air current that lets in the clothes treatment intracavity through the fan, the velocity of flow of dry air current in the clothes treatment intracavity, flow control process is complicated, and the direction and the air inlet position that dry air current got into the clothes treatment intracavity are all fixed, the clothes treatment process probably has the dead angle, the dry clothing homogeneity is poor, influence clothes treatment device's effect to the clothing, influence user's use experience.

Therefore, the embodiment of the utility model designs a ventilation assembly with a plurality of different air channels for introducing dry air flow into different positions in the clothes treatment cavity 061, and whether one air channel is introduced with air flow can be controlled by the switching device 3, so that the air flow can have different running paths by controlling the switching device 3, the clothes treatment device 1000 can switch between different ventilation modes, and the flow speed and the flow rate of the air flow are changed in the switching process, so that the flow speed and the flow rate of the air flow introduced into the clothes treatment cavity 061 and the distribution of the air flow in the clothes treatment cavity 061 can be better adjusted.

A ventilation assembly according to an embodiment of the present utility model is described below with reference to fig. 1-12.

A ventilation assembly according to an embodiment of the present utility model may include: a wind deflector 4, an air duct housing 10 and a switching device 3.

Wherein, air inlet chamber 024 and air outlet chamber are injectd between wind channel shell 10 and the deep bead 4, the air outlet chamber includes first wind channel 021, second wind channel 022 and third wind channel 023, third wind channel 023 is located between first wind channel 021 and the second wind channel 022, wherein, mutually independent between first wind channel 021 and the second wind channel 022, the downstream end in the air current flow direction does not communicate, the air current flow direction is unanimous in the wind channel, the air current hedging in two wind channels of first wind channel 021 and second wind channel 022 has been avoided, the amount of wind loss that causes in the air current hedging process has been avoided.

The wind shield 4 has a first air outlet 041, a second air outlet 042 and a third air outlet 043, the third air outlet 043 is also located between the first air outlet 041 and the second air outlet 042, wherein the first air duct 021 corresponds to the first air outlet 041, the first air duct 021 communicates with the first air outlet 041 and the air inlet 024, the second air duct 022 corresponds to the second air outlet 042, the second air duct 022 communicates with the second air outlet 042 and the air inlet 024, the third air duct 023 corresponds to the third air outlet 043, and the third air duct 023 communicates with the third air outlet 043 and the air inlet 024.

That is, the air flow entering the ventilation assembly first enters the air inlet cavity 024 and is split at the inlets of the first air duct 021, the second air duct 022 and the third air duct 023, one part passes through the first air duct 021 and flows out through the first air outlet portion 041, the other part passes through the second air duct 022 and flows out through the second air outlet portion 042, the other part passes through the third air duct 023 and flows out through the third air outlet portion 043, and the first air outlet portion 041, the second air outlet portion 042 and the third air outlet portion 043 can be correspondingly communicated with the air inlets at different positions in the clothes treating cavity 061, and the flow speed, the flow rate and the flow rate of the air flow in the clothes treating cavity 061 can be controlled by controlling the flow speed and the flow rate of the air flow in the first air duct 021, the second air duct 022 and the third air duct 023.

Further, the switching device 3 is disposed on the air duct housing 10, and is used for opening and closing the inlet of the third air duct 023 to control the on-off of the air flow between the third air duct 023 and the air inlet cavity 024.

When the switching device 3 opens the inlet of the third air duct 023 to control the third air duct 023 to be communicated with the air inlet cavity 024, air flow in the air inlet cavity 024 can simultaneously flow to the clothes treating cavity 061 through the first air duct 021, the second air duct 022 and the third air duct 023, the overall flow and the flow speed in the air duct are controlled by the wind wheel 300, and air inlets in the clothes treating cavity 061, which correspond to the first air outlet 041, the second air outlet 042 and the third air outlet 043, are all air-inlet to the clothes treating cavity 061, and air outlets are all arranged in all directions in the clothes treating cavity 061, so that the clothes drying effect is uniform.

When the switching device 3 closes the inlet of the third air duct 023 to control the third air duct 023 to be disconnected from the air inlet cavity 024, the air flow in the air inlet cavity 024 can only flow to the clothes treating cavity 061 through the first air duct 021 and the second air duct 022, the whole flow in the air duct is unchanged, the air flow speed in the first air duct 021 and the air flow in the second air duct 022 are increased, the flow is increased, in addition, the clothes treating cavity 061 only has the air inlet corresponding to the first air outlet 041 and the second air outlet 042 for air inlet, the air flow speed in the space corresponding to the first air outlet 041 in the clothes treating cavity 061 is fast, the air quantity distribution is more, and the clothes drying speed in the part is faster.

Under the condition that the rotation speed of the wind wheel is constant, namely the total air flow is unchanged, when the switching device 3 opens the inlet of the third air duct 023, the three air ducts in the clothes treatment device 1000 can provide airflow for circulation, the flow speed of the airflow is relatively slow, when the switching device 3 closes the inlet of the third air duct 023, the flow speed of the airflow is relatively fast, that is, the switching device 3 opens and closes the inlet of the third air duct 023, so that the airflow has different running paths, the clothes treatment device 1000 can be switched between different ventilation modes, and the flow speed of the airflow are changed in the switching process, so that the purposes of better adjusting the flow speed and the flow speed of the airflow introduced into the clothes treatment cavity 061 are achieved.

Through first wind channel 021, second wind channel 022 and third wind channel 023 can carry the different positions in the clothing processing chamber 061 with the air current, the distribution of the air current in the controllable clothing processing chamber 061 of control third wind channel 023 and the direction that the air current flows in clothing processing chamber 061, switching device 3 provides the condition for clothing processing apparatus 1000 realizes multiple different ventilation modes and switches between different ventilation modes, clothing processing apparatus 1000 can switch different ventilation modes according to the clothes-drying state of difference, has improved clothing processing apparatus 1000 and has handled the effect to the clothing, has improved user's use experience.

According to the ventilation assembly of the embodiment of the utility model, the ventilation assembly defines a plurality of independent air channels, and the air flow has different running paths through the switching device 3, so that the clothes treating apparatus 1000 can switch between different ventilation modes, and the flow speed and flow rate of the air flow introduced into the clothes treating cavity 061 and the distribution of the air flow in the clothes treating cavity 061 are better adjusted.

As shown in fig. 3, the air inlet chamber 024 and the air outlet chamber are arranged in a first direction, and the first air duct 021, the third air duct 023 and the second air duct 022 are arranged side by side in a second direction intersecting the first direction. That is, the first, third and second air ducts 021, 023 and 022 extend in the first direction, and the first, third and second air ducts 021, 023 and 022 are provided in this order in the second direction, and the air flow in the air intake chamber 024 flows in the first direction and is split at the inlet of the air duct. When the inlet of the third air duct 023 is closed by the switching device 3, part of the air flow flowing in the first direction is blocked by the switching device 3, flows in the second direction, and flows into the clothes treating cavity 061 through the first air duct 021 and the second air duct 022 respectively at the inlet of the first air duct 021 and the second air duct 022.

Referring to fig. 3, the duct case 10 includes: a casing and two partitions 21, the two partitions 21 being arranged in the casing at intervals and each partition 21 being connected to a bottom wall of the casing, the partitions 21 extending in a first direction, and the two partitions 21 being arranged at intervals in a second direction, wherein a third air duct 023 is located between the two partitions 21, a first air duct 021 is located between one of the partitions 21 and a side wall of the casing, and a second air duct 022 is located between the other of the partitions 21 and a side wall of the casing.

One of the separators 21 and the side wall of the housing define a first air duct 021, the other separator 21 and the side wall of the housing define a second air duct 022, and the two separators 21 define a third air duct 023. That is, the partition 21 divides a complete air duct defined by the casing into a plurality of air ducts, the plurality of air ducts respectively correspond to different positions on the plane of the bottom wall of the casing, the air flow can be conveyed to different positions in the clothes treating cavity 061 through the first air duct 021, the second air duct 022 and the third air duct 023, the distribution of the air flow in the clothes treating cavity 061 and the flowing direction of the air flow in the clothes treating cavity 061 can be controlled by controlling the on-off of the third air duct 023, the conditions are provided for the clothes treating device 1000 to realize a plurality of different ventilation modes and switch between the different ventilation modes, the clothes treating device 1000 can switch different ventilation modes according to different clothes drying states, the effect of the clothes treating device 1000 on clothes treating is improved, and the use experience of a user is improved.

The separator 21 can separate the third air duct 023 from the first air duct 021 and the second air duct 022, so that the first air duct 021, the second air duct 022 and the third air duct 023 are mutually independent, when the switching device 3 is prevented from closing the inlet of the third air duct 023, air flow enters the third air duct 023 through a gap between the air ducts, the separator 21 is provided with a reinforcing part, the reinforcing part can improve the structural strength of the separator 21, the separator 21 is ensured to have enough strength to resist the pressure caused by the separator 21 in the air flow process, and the separator 21 is ensured to have enough stability and reliability under any working condition.

Referring to fig. 3, a first end of each of the partitions 21 in the length direction is connected to a sidewall of the casing, whereby a space defined by the casing is divided into three independent and juxtaposed chambers by two partitions 21, and is correspondingly formed as an air duct, an inlet of a first air duct 021 is located between a second end of one of the partitions 21 in the length direction and the sidewall of the casing, an inlet of a second air duct 022 is located between a second end of the other partition 21 in the length direction and the sidewall of the casing, an inlet of a third air duct 023 is located between the second ends of the two partitions 21 in the length direction, and the two partitions 21 are capable of dividing an air flow flowing into the laundry treating chamber 061 from the air inlet chamber 024 into three portions, and the air flow is divided and flows into one end of the partition 21 in the length direction from the second end of the partition 21 in the length direction under the guide of the partition 21, respectively.

As shown in fig. 3, the air intake chamber 024 is used for installing the wind wheel 300, and the wind wheel 300 can provide power for the airflow flowing, so that the airflow can continuously enter the first air duct 021, the second air duct 022 and the third air duct 023 from the air intake chamber 024, and flow into the clothes treating chamber 061 from the ventilation assembly. The side wall of the housing is provided with a volute tongue 23, and the volute tongue 23 is positioned between the wind wheel 300 and the wind outlet cavity so as to improve the air flow effect in the air duct. At least a portion of the two separators 21 extend in a direction toward each other in a direction toward the volute tongue 23 to reduce wind resistance in the air duct and to avoid loss of air volume during the passage of air flow through the air duct.

In connection with the embodiment shown in fig. 1 and 4, the wind deflector 4 has a first wind outlet region 41 corresponding to the position of the first wind channel 021, a second wind outlet region 42 corresponding to the position of the second wind channel 022, and a third wind outlet region 43 corresponding to the position of the third wind channel 023, the first wind outlet portion 041 is provided in the first wind outlet region 41, the second wind outlet portion 042 is provided in the second wind outlet region 42, the third wind outlet portion 043 is provided in the third wind outlet region 43, the air flow flowing through the first wind channel 021 flows into the laundry treating chamber 061 through the first wind outlet portion 041 located in the first wind outlet region 41, the air flow flowing through the second wind channel 022 flows into the laundry treating chamber 061 through the second wind outlet portion 042 located in the second wind outlet region 42, and the air flow flowing through the third wind channel 023 flows into the laundry treating chamber 061 through the third wind outlet portion 043 located in the third wind outlet region 43.

Further, the wind guard 4 further has a fourth air outlet area 44, the fourth air outlet area 44 corresponds to a part of the air inlet cavity 024 near the air outlet cavity, the fourth air outlet area 44 is provided with a fourth air outlet portion 044 communicated with the air inlet cavity 024, and part of the air flow in the air inlet cavity 024 can directly flow into the clothes treating cavity 061 through the fourth air outlet portion 044 located in the fourth air outlet area 44, and the part of the air flow does not pass through the air outlet cavity.

That is, a part of the air flow in the air intake chamber 024 directly flows into the laundry treating chamber 061 through the fourth air outlet 044 located in the fourth air outlet area 44, and the rest of the air flow passes through the inlets of the first air duct 021, the second air duct 022 and the third air duct 023 and is split at the inlets of the first air duct 021, the second air duct 022 and the third air duct 023, and flows into the laundry treating chamber 061 through the first air duct 021, the second air duct 022 and the third air duct 023, respectively, wherein the air flow flowing through the first air duct 021 flows into the laundry treating chamber 061 through the first air outlet 041 located in the first air outlet area 41, and the air flow flowing through the second air duct 022 flows into the laundry treating chamber 061 through the second air outlet 042 located in the second air outlet area 42, and the air flow flowing through the third air duct 023 flows into the laundry treating chamber 061 through the third air outlet 043 located in the third air outlet area 43.

Because the switching device 3 is disposed at the inlet of the third air duct 023, the switching device 3 can only control the on-off of the air flow between the third air outlet 043 and the air inlet 024 corresponding to the third air duct 023, and the first air outlet 041, the second air outlet 042 and the fourth air outlet 044 keep the normal-open state with the air inlet 024.

Referring to fig. 1 and 4, the wind deflector 4 further has an air outlet 45, and the air outlet 45 forms an inlet of the air inlet chamber 024. Thus, the air flow flows from the air outlet 45 to the air outlet in the ventilation assembly under the driving of the wind wheel 300 arranged in the air inlet cavity 024, and the wind wheel 300 and the switching device 3 jointly control the flow speed, flow quantity and distribution of the air flow in the clothes treatment cavity 061.

In connection with the embodiment shown in fig. 9-12, the switching device 3 comprises a rotatable wind shielding member 31 for opening and closing the inlet of the third wind channel 023, the switching device 3 closes the inlet of the third wind channel 023 when the wind shielding member 31 is located at a position completely shielding the inlet of the third wind channel 023, and the switching device 3 opens the inlet of the third wind channel 023 when the wind shielding member 31 is located at a position parallel to the flow direction of the air flow, in some embodiments, the wind shielding member 31 may be controlled to be located between a position parallel to the flow direction of the air flow and a position completely shielding the inlet of the third wind channel 023 to control the flow rate of the air flow into the third wind channel 023 by controlling the size of the inlet of the third wind channel 023.

As shown in fig. 11 and 12, the bottom wall of the duct case 10 is provided with a fixed shaft 321 perpendicular thereto, and the wind shielding member 31 is provided to the fixed shaft 321 and is configured to rotate about the fixed shaft 321 under the driving of an air flow.

The wind shielding member 31 is adapted to rotate from a position completely shielding the inlet of the third air passage 023 to a position parallel to the flow direction of the air flow during the half-turn of the wind shielding member 31 around the fixed shaft 321 under the driving of the air flow, during which the air flow through the third air passage 023 is gradually increased, and further, the wind shielding member 31 is rotated from a position parallel to the flow direction of the air flow back to a position completely shielding the inlet of the third air passage 023, during which the air flow through the third air passage 023 is gradually decreased. The switching device 3 closes the inlet of the third air duct 023 when the wind shielding member 31 is located at a position completely shielding the inlet of the third air duct 023, and the switching device 3 opens the inlet of the third air duct 023 when the wind shielding member 31 is located at a position parallel to the flow direction of the air flow.

The wind shielding member 31 is adapted to rotate from a position completely shielding the inlet of the third air duct 023 to a position parallel to the air flow direction during one rotation of the wind shielding member 31 around the fixed shaft 321 under the driving of the air flow, wherein the wind shielding member 31 is inclined toward the first air duct 021 in the air flow direction and gradually decreases in inclination angle with the air flow direction, at this time, the wind shielding member 31 guides the air flow toward the first air duct 021 and gradually opens the inlet of the third air duct 023, and during this process, the air volume is concentrated in the first air outlet area 41 and the third air outlet area 43.

Further, the wind shielding member 31 is rotated from a position parallel to the airflow direction to a position completely shielding the inlet of the third air duct 023, in which the wind shielding member 31 is inclined toward the second air duct 022 in the airflow direction and gradually increases in inclination angle with the airflow direction, at this time, the wind shielding member 31 guides the airflow toward the second air duct 022 and gradually closes the inlet of the third air duct 023, and in which the air volume is concentrated in the second air outlet area 42 and the third air outlet area 43.

In summary, the air volume changes of the first air outlet area 41, the second air outlet area 42 and the third air outlet area 43 can be adjusted by the rotation of the wind shielding member 31, so as to change the air volume changes of different areas in the clothes treating cavity 061, meet different clothes drying requirements, and improve the uniformity of clothes drying.

Referring to fig. 11 and 12, the wind shielding member 31 includes a plurality of wind shielding pieces 311, the wind shielding pieces 311 are spaced apart in a circumferential direction of the fixed shaft 321 so that the wind shielding member 31 can be rotated by the air flow, and the wind shielding pieces 311 can close the inlet of the third air duct 023 or guide the air flow flowing to the air duct during rotation of the wind shielding member 31, respectively or simultaneously.

In some embodiments, at least two of the plurality of windshields 311 are disposed opposite to each other on both sides of the fixed shaft 321, such that the wind shield 31 is rotatable at the inlet of the third air duct 023, and the two windshields 311 disposed opposite to each other can close the inlet of the third air duct 023 when edges of the two windshields 311 disposed opposite to each other respectively abut against both side walls at the inlet of the third air duct 023.

As shown in fig. 11 and 12, the projection shape of at least two wind shielding plates 311 on the plane where the inlet of the third wind channel 023 is located is the same as the inlet shape of the third wind channel 023, so as to ensure that the two wind shielding plates 311 can completely block the third wind channel 023.

Referring to fig. 11 and 12, the wind shielding plate 311 forms a spiral blade, and the spiral blade can rotate under the driving of the air flow, in the rotating process, the wind shielding plate 311 at different positions can guide the air flow to different air outlet areas, and continuously adjust the air volume changes of the first air outlet area 41, the second air outlet area 42 and the third air outlet area 43, so as to change the air volume changes of different areas in the clothes treatment cavity 061, meet different clothes drying requirements, and improve the uniformity of clothes drying.

Referring to fig. 11 and 12, a fixed shaft 321 is provided at a middle portion of an inlet of the third air duct 023 to enable the wind shielding sheet 311 to stably rotate and open and close the inlet of the third air duct 023, ensuring that any one wind shielding sheet 311 can smoothly pass between the fixed shaft 321 and a side wall of the third air duct 023.

[ scheme II ]

As shown in fig. 9 and 10, the air duct case 10 is provided with a rotating shaft 32 parallel to the bottom wall thereof, the wind shielding member 31 is provided on the rotating shaft 32 and rotates along with the rotating shaft 32, the wind shielding member 31 can rotate to a position to completely shield the inlet of the third air duct 023 under the control of the rotating shaft 32, at this time, the switching device 3 closes the inlet of the third air duct 023, the air flow does not pass through the third air duct 023, and the third air outlet 043 does not convey the air flow into the laundry treating chamber 061. Under the control of the rotating shaft 32, the wind shielding member 31 can rotate to a position parallel to the airflow flowing direction, at this time, the switching device 3 opens the inlet of the third air duct 023, part of the airflow passes through the third air duct 023, and the third air outlet 043 conveys the airflow into the laundry treating chamber 061.

Further, under the control of the rotation shaft 32, the wind shielding member 31 can be rotated between a position parallel to the flow direction of the air flow and a position where the inlet of the third air duct 023 is completely shielded, the inlet of the third air duct 023 is partially opened, and the flow rate of the air flow entering the third air duct 023 is controlled by controlling the size of the inlet of the third air duct 023.

Referring to fig. 9 and 10, the switching device 3 further includes a driving motor 33, the driving motor 33 is connected to the rotating shaft 32, and is used for driving the rotating shaft 32 to rotate, and the laundry treating device 1000 can control the rotation of the rotating shaft 32 by controlling the operation of the driving motor 33, and control the rotating shaft 32 to be kept stationary at a preset position, so as to control the position of the wind shielding member 31, and control the flow of the air current in the ventilation assembly.

As shown in fig. 9 to 12, the inlet of the first air duct 021 and the inlet of the second air duct 022 are in a normally open state, so that no matter the inlet of the third air duct 023 is opened or closed, air flows circulate in the first air duct 021 and the second air duct 022.

Thus, when the inlet of the third air duct 023 is closed, a part of the air flow in the air intake chamber 024 is adapted to enter the first air duct 021 through the inlet of the first air duct 021 kept in a normally open state, to be input into the clothes treating chamber 061 through the first air outlet 041, another part of the air flow is adapted to enter the second air duct 022 through the inlet of the second air duct 022 kept in a normally open state, to be input into the clothes treating chamber 061 through the second air outlet 042, and another part of the air flow is adapted to be input into the clothes treating chamber 061 through the fourth air outlet 044 corresponding to the air intake chamber 024.

Further, when the inlet of the third air duct 023 is opened, a part of the air flow in the air intake chamber 024 is adapted to enter the first air duct 021 through the inlet of the first air duct 021 kept in a normally open state, to be input into the clothes treating chamber 061 through the first air outlet 041, another part of the air flow is adapted to enter the second air duct 022 through the inlet of the second air duct 022 kept in a normally open state, to be input into the clothes treating chamber 061 through the second air outlet 042, another part of the air flow is adapted to be input into the clothes treating chamber 061 through the fourth air outlet 044 corresponding to the air intake chamber 024, and still another part of the air flow enters the third air duct 023 through the inlet of the opened third air duct 023, to be input into the clothes treating chamber 061 through the third air outlet 043.

A laundry treating apparatus 1000 according to another embodiment of the present utility model includes the ventilation assembly described in the above embodiment. According to the laundry treating apparatus 1000 of the embodiment of the present utility model, by adopting the ventilation assembly as described above, the laundry treating effect of the laundry treating apparatus 1000 is improved.

Referring to the embodiment shown in fig. 1 to 8, the laundry treating apparatus 1000 further includes: the laundry treatment tub 6, the laundry treatment tub 6 has a laundry treatment chamber 061, a first air inlet portion 0621 and a second air inlet portion 0631 communicating with the laundry treatment chamber 061, in some embodiments, the air inlet positions and the air inlet directions of the first air inlet portion 0621 and the second air inlet portion 0631 are different, so as to control the distribution of the air flow in the laundry treatment chamber 061 through the control of the air inlet volumes and the air speeds of the first air inlet portion 0621 and the second air inlet portion 0631.

Further, a first air passing cavity 051 and a second air passing cavity 052 are defined between the wind deflector 4 and the bottom wall of the clothes treatment tub 6, the first air passing cavity 051 is surrounded on the outer side of the second air passing cavity 052, in some embodiments, an annular sealing structure 5 is arranged between the wind deflector 4 and the bottom wall of the clothes treatment tub 6, the annular sealing structure comprises an outer sealing ring 51 and an inner sealing ring 52, a first air passing cavity 051 is defined between the outer sealing ring 51 and the inner sealing ring 52, the inner sealing ring 52 defines a second air passing cavity 052, wherein the first air inlet 0621 is communicated with the first air outlet 041 and the second air outlet 042 through the first air passing cavity 051, and the fourth air outlet 044 is also communicated with the first air inlet 0621 through the first air passing cavity 051, so that the first air duct 021, the second air inlet 022 and the air inlet 024 are communicated with the first air passing cavity 051, and the first air inlet 022 are always opened and closed regardless of whether the switching device 3 controls the first air duct to open or closed. The first air inlet 0621 always inputs air flow into the laundry treating chamber 061.

The second air inlet portion 0631 is communicated with the third air outlet portion 043 through the second air passing cavity 052, therefore, the switching device 3 controls the air flow on-off between the third air passage 023 and the air inlet cavity 024, and further controls the air flow on-off between the second air passing cavity 052 and the second air inlet portion 0631 and the air inlet cavity 024, when the switching device 3 closes the inlet of the third air passage 023, the second air inlet portion 0631 is not communicated with the air inlet cavity 024, the second air inlet portion 0631 does not pass through the air flow, the clothes treating device 1000 only conveys the air flow into the clothes treating cavity 061 through the first air inlet portion 0621, when the switching device 3 opens the inlet of the third air passage 023, the second air inlet portion 0631 is communicated with the air inlet cavity 024, and the clothes treating device 1000 simultaneously conveys the air flow into the clothes treating cavity 061 through the first air inlet portion 0621 and the second air inlet portion 0631.

Referring to fig. 5, 6 and 8, the air guide member 7 is disposed in the laundry treatment tub 6, and the air guide member 7 is used for communicating the laundry treatment cavity 061 and the first air inlet portion 0621 or the second air inlet portion 0631, and can guide a part of air flow through the air guide member 7, so that the part of air flow is led into the laundry treatment cavity 061 from other directions, so that the air flow in the laundry treatment cavity 061 is uniformly distributed, a drying dead angle in the laundry treatment cavity 061 is avoided, uniformity of a laundry treatment process is ensured, time of laundry treatment is reduced, and use experience of a user is improved.

One specific embodiment of a laundry treating apparatus 1000 is described below with reference to fig. 1-10.

The laundry treating apparatus 1000 of the embodiment of the present utility model includes: a ventilation assembly, a wind wheel 300, and a laundry treating assembly 200.

The laundry treating assembly 200 comprises a laundry treating tub 6 and two air guides 7, wherein the laundry treating tub 6 defines a laundry treating chamber 061, the air guides 7 and a tub wall of the laundry treating tub 6 define a ventilation chamber 071, a bottom wall of the laundry treating tub 6 has a first air inlet region 062 and a second air inlet region 063, and the first air inlet region 062 surrounds an outer side of the second air inlet region 063.

In some embodiments, as shown in fig. 5 and 6, the first air inlet region 062 is provided with a first air inlet part 0621, the first air inlet part 0621 includes a plurality of first air inlet holes, the plurality of first air inlet holes being arranged at intervals in a circumferential direction and/or a radial direction of the first air inlet region 062, so as to ensure uniform air inlet of the first air inlet part 0621, ensure uniformity of laundry treatment,

The second air inlet region 063 is provided with two second air inlet portions 0631, two air guide members 7 and two second air inlet portions 0631 are corresponding in position, and the portion of the first air inlet region 062 opposite to the air guide members 74 is of a non-porous structure, so that air flow entering the clothes treating cavity 061 through the second air inlet portions 0631 is prevented from entering the ventilating cavity 071, and the air flow in the clothes treating cavity 061 is more controllable.

In other embodiments, as shown in fig. 7 and 8, the second air inlet region 063 is provided with a second air inlet portion 0631, the second air inlet portion 0631 includes a plurality of second air inlet holes, and the plurality of second air inlet holes are arranged at intervals in a circumferential direction and/or a radial direction of the second air inlet region 063, so as to ensure that air inlet of the second air inlet portion 0631 is uniform, ensure uniformity of clothes treatment, and the first air inlet region 062 is provided with two first air inlet portions 0621, and two air guiding members 7 and two first air inlet portions 0621 are located correspondingly.

The air guide 7 includes: the body 73 and the air passing member 74, the body 73 is arranged on the side wall of the clothes processing barrel 6 and defines a first ventilation section 0711 with the side wall of the clothes processing barrel 6, the air passing member 74 is connected with the body 73 and is arranged on the bottom wall of the clothes processing barrel 6, a second ventilation section 0712 communicated with the second air inlet 0631 is defined between the air passing member 74 and the bottom wall of the clothes processing barrel 6, a plurality of ventilation holes 72 are arranged on the body 73, the first ventilation section 0711 and the second ventilation section 0712 jointly form a ventilation cavity 071, and the ventilation cavity 071 is communicated with the second air inlet 0631.

The body 73 is formed in a long shape and extends along the axial direction of the laundry treating tub 6, and one end of the body 73 is connected with the air passing member 74 in a circular arc transition manner so that the air flow in the second ventilation section 0712 defined between the air passing member 74 and the bottom wall of the laundry treating tub 6 can enter the first ventilation section 0711 defined between the body 73 and the side wall of the laundry treating tub 6.

The ventilation assembly comprises an air duct shell assembly 100 and a wind deflector 4, an annular sealing structure is arranged between the wind deflector 4 and the bottom wall of the clothes treatment barrel 6, the annular sealing structure 5 comprises an outer sealing ring 51 and an inner sealing ring 52, a first air passing cavity 051 is defined between the outer sealing ring 51, the inner sealing ring 52 and the bottom wall of the clothes treatment barrel 6, and a second air passing cavity 052 is defined between the inner sealing ring 52, the wind deflector 4 and the bottom wall of the clothes treatment barrel 6.

The air duct shell assembly 100 is arranged on one side of the wind deflector 4 facing away from the clothes treating barrel 6 and is defined with the wind deflector 4 into an air inlet cavity 024, a first air duct 021, a second air duct 022 and a third air duct 023, the air inlet cavity 024 is communicated with an inlet of the first air duct 021, an inlet of the second air duct 022, an inlet of the third air duct 023 and an outlet of the clothes treating cavity 061, and a wind wheel 300 is arranged in the air inlet cavity 024.

The wind deflector 4 has a first air outlet region 41, a second air outlet region 42, a third air outlet region 43, and a fourth air outlet region 44, the first air duct 021 corresponds to the first air outlet region 41, the second air outlet region 42 corresponds to the second air duct 022, the third air outlet region 43 corresponds to the third air duct 023, the fourth air outlet region 44 corresponds to the air inlet chamber 024, the first air outlet region 41 is provided with a first air outlet portion 041, the second air outlet region 42 is provided with a second air outlet portion 042, the third air outlet region 43 is provided with a third air outlet portion 043, and the fourth air outlet region 44 is provided with a fourth air outlet portion 044. The first air outlet 041, the second air outlet 042 and the fourth air outlet 044 are provided with a first air outlet 411, and the third air outlet 043 is provided with a second air outlet 421.

The sum of the opening areas of all the first air outlet holes 411 is smaller than the sum of the opening areas of all the second air outlet holes 421, so that the strength of the periphery of the wind deflector 4 is prevented from being influenced by the opening of the first air outlet holes 411, and the strength and the reliability of the wind deflector 4 are ensured. In addition, the sum of the opening areas of the first air outlet holes 411 is smaller than the sum of the opening areas of all the second air outlet holes 421, so that the flow area of the first air outlet portion 041 is smaller than the flow area of the second air outlet portion 042, which is beneficial to improving the air quantity of the second air inlet portion 0631 and improving the air flow velocity of the first air inlet portion 0621, thereby better controlling the distribution of the air flow in the clothes treating cavity 061 and the direction of blowing.

Referring to fig. 1 and 4, the opening area of the single first air outlet 411 is smaller than that of the single second air outlet 421, so as to avoid the influence of the opening of the first air outlet 411 on the strength of the outer periphery of the wind deflector 4, and ensure the strength and reliability of the wind deflector 4.

The first air outlet holes 411 and the second air outlet holes 421 include a plurality of first air outlet holes 411 and a plurality of second air outlet holes 421 are arranged along the circumference and/or the radial direction of the second air outlet area 42 at intervals, and the plurality of second air outlet holes 421 are arranged along the circumference and/or the radial direction of a circumference at intervals, so that the first air outlet holes 411 and the second air outlet holes 421 can be uniformly distributed, the air volume in the clothes treating cavity 061 is ensured to be uniform, and the uniformity of clothes treating of the clothes treating device 1000 is ensured. The first air outlet hole 411 and the second air outlet hole 421 form a long hole extending along the circumferential direction so as to be convenient to open, the opening of the first air outlet hole 411 and the second air outlet hole 421 is prevented from affecting the strength of the wind screen 4, and the strength of the wind screen 4 is ensured while the first air outlet hole 411 and the second air outlet hole 421 can be opened to be larger.

The first air outlet 041 is communicated with the first air duct 021 and the first air passing cavity 051, the second air outlet 042 is communicated with the second air duct 022 and the first air passing cavity 051, the fourth air outlet 044 is communicated with the air inlet cavity 024 and the first air passing cavity 051, and the third air outlet 043 is communicated with the third air duct 023 and the second air passing cavity 052. Thus, the air flow in the first air duct 021, the second air duct 022 and part of the air intake cavity 024 enters the clothes treating cavity 061 from the first air intake 0621 through the first air passing cavity 051, the air flow in the third air duct 023 enters the clothes treating cavity 061 from the second air intake 0631 through the second air passing cavity 052, in some embodiments, the first air intake 0621 communicates with the ventilation cavity 071 of the air guiding member 7, in other embodiments, the second air intake 0631 communicates with the ventilation cavity 071 of the air guiding member 7, and the ventilation cavity 071 communicates with the clothes treating cavity 061 through the ventilation hole 72 opened in the air guiding member 7.

Specifically, the drying air flow carries moisture in the clothes after passing through the clothes processing cavity 061, the air flow is discharged out of the clothes processing cavity 061 through an outlet of the clothes processing cavity 061, enters an air inlet cavity 024 defined by the air duct shell assembly 100 under the driving of the wind wheel 300 after being dried, the drying air flow in the air inlet cavity 024 is split at inlets of the first air duct 021, the second air duct 022 and the third air duct 023, one part of the drying air flow sequentially passes through the first air duct 021, the first air outlet 041, the first air passing cavity 051 and the first air inlet 0621 to enter the clothes processing cavity 061, the other part of the drying air flow sequentially passes through the second air duct 022, the second air outlet 042, the first air passing cavity 051 and the first air inlet 0621 to enter the clothes processing cavity 061, and the other part of the drying air flow in the air inlet cavity 024 sequentially passes through the fourth air outlet 044, the first air passing cavity 051 and the first air inlet 0621 to enter the clothes processing cavity 061. The air flow of the part flows into the clothes treating cavity 061 from the bottom wall of the clothes treating cavity 061, and the other part flows into the clothes treating cavity 061 from the side wall of the clothes treating cavity 061 through the third air duct 023, the third air outlet 043, the second air passing cavity 052, the second air inlet 0631, the second air passing section 0712 and the first air passing section 0711 in sequence.

Since the air flow flowing from the bottom wall of the clothes treating tub 6 into the clothes treating cavity 061 is also provided in the clothes treating cavity 061, the drying effect of the clothes treating apparatus 1000 on the clothes is more uniform, the clothes treating effect of the clothes treating apparatus 1000 is improved, the time of clothes treating is reduced, and the user experience is improved.

In some embodiments, the air guide 7 may be formed as a lifting rib in the laundry treating tub 6, playing a certain stirring role on laundry while achieving air guide, ensuring uniformity of laundry treatment.

The duct housing assembly 100 includes a duct housing 10 and a switching device 3, the duct housing 10 includes a first housing 2, a second housing 1 and two separators 21, the separators 21 are disposed in the first housing 2 and connected to a bottom wall and a side wall of the first housing 2, the two separators 21 are arranged at intervals, a second duct 022 is defined between the two separators 21, a first duct 021 is defined between the separators 21 and the side wall of the first housing 2, and since one duct is defined between each of the two separators 21 and one side wall of the duct housing 10, the first duct 021 includes two air outlet chambers 0211.

The separator 21 includes: the first division plate 211, the second division plate 212 and a plurality of reinforcing ribs 213, each of the first division plate 211 and the second division plate 212 is connected with the bottom wall of the first housing 2, the plurality of reinforcing ribs 213 are arranged between the first division plate 211 and the second division plate 212 and are arranged at intervals in the length direction of the division member 21, so that the strength of the first division plate 211 and the second division plate 212 is enhanced by the reinforcing ribs 213, the first division plate 211 or the second division plate 212 is prevented from being cracked and deformed, a cavity is formed between the first division plate 211 and the second division plate 212, a plurality of reinforcing cavities 217 are formed by the separation of the reinforcing ribs 213, the structural strength of the division member 21 is improved by the division member 21, the reliability and the stability of the division member 21 are ensured, and the reinforcing cavities 217 can reduce the weight of the division member 21, and the arrangement of the division member 21 is prevented from affecting the weight of the laundry treatment device 1000.

The separator 21 includes: a first partition 214 and a second partition 215, the first partition 214 is parallel to and spaced from the side wall of the first housing 2 near the inlet of the first air duct 021 to avoid the arrangement of the partition 21 affecting the windage of the first air duct 021 and the second air duct 022, avoid the loss in the air flow process, and the second partition 215 is connected between one end of the first partition 214 and the side wall of the first housing 2

The second casing 1 is sleeved outside the first casing 2 to protect the structures inside the first casing 2 and the laundry treating apparatus 1000, and to isolate noise, reduce vibration, and the like.

The switching device 3 is used for opening and closing the inlet of the second air duct 022 to control the on-off of the air flow between the second air duct 022 and the air inlet cavity 024, the clothes treating apparatus 1000 can control the air flow or the flow velocity in the first air duct 021 and the second air duct 022 by controlling the switching device 3, and then the air flow velocity flowing into the clothes treating cavity 061 through the first air inlet hole or the vent hole 72, the distribution of the air flow and the direction of the air flow in the clothes treating cavity 061 are better controlled, so that the clothes treating apparatus 1000 can have various different ventilation modes and can be switched among the various different ventilation modes, and the clothes treating process is more uniform.

In some embodiments, the switching device 3 includes a wind shielding member 31, a rotating shaft 32, and a driving motor 33, the rotating shaft 32 is parallel to the bottom wall of the air duct housing 10, the wind shielding member 31 is disposed on the rotating shaft 32 and rotates along with the rotating shaft 32, the driving motor 33 is connected with the rotating shaft 32 and is used for driving the rotating shaft 32 to rotate, and the laundry treating device 1000 can control the rotating shaft 32 to rotate by controlling the operation of the driving motor 33, and control the rotating shaft 32 to keep static at a preset position, thereby controlling the position of the wind shielding member 31 and controlling the airflow in the ventilation assembly.

The wind shielding member 31 can be rotated to a position to completely shield the inlet of the third air duct 023 by the driving of the driving motor 33, and at this time, the switching device 3 closes the inlet of the third air duct 023, the air flow does not pass through the third air duct 023, and the third air outlet 043 does not deliver the air flow into the laundry treating chamber 061. Further, the wind shielding member 31 can be rotated to a position parallel to the air flow direction, and at this time, the switching device 3 opens the inlet of the third air duct 023, and part of the air flow passes through the third air duct 023 and the third air outlet 043 delivers the air flow into the laundry treating chamber 061.

Under the control of the driving motor 33, the wind shielding member 31 can also be rotated between a position parallel to the flow direction of the air flow and a position where the inlet of the third air duct 023 is completely shielded, the inlet of the third air duct 023 is partially opened, and the flow rate of the air flow into the third air duct 023 is controlled by controlling the size of the inlet of the third air duct 023.

In other embodiments, the switching device 3 includes a wind shielding member 31 and a fixed shaft 321, the fixed shaft 321 is disposed in the middle of the inlet of the third air duct 023, the wind shielding member 31 includes two wind shielding plates 311, the two wind shielding plates 311 are disposed opposite to each other on two sides of the fixed shaft 321, the projection shape of the plane where the inlet of the third air duct 023 is located of the two wind shielding plates 311 is the same as the inlet shape of the third air duct 023, the wind shielding plates 311 form a spiral blade, the spiral blade can rotate around the fixed shaft 321 under the driving of the air flow, in the rotating process, the wind shielding plates 311 at different positions can guide the air flow to different air outlet areas, and continuously adjust the air volume changes of the first air outlet area 41, the second air outlet area 42 and the third air outlet area 43, so as to change the air volume changes of different areas in the clothes treating cavity 061, thereby meeting different clothes drying requirements and improving the uniformity of clothes drying.

Specifically, the wind shielding member 31 is adapted to rotate from a position completely shielding the inlet of the third air passage 023 to a position parallel to the flow direction of the air flow during the half-turn of the wind shielding member 31 around the fixed shaft 321 under the driving of the air flow, during which the air flow through the third air passage 023 is gradually increased, and further, the wind shielding member 31 is rotated from a position parallel to the flow direction of the air flow back to a position completely shielding the inlet of the third air passage 023, during which the air flow through the third air passage 023 is gradually decreased. The switching device 3 closes the inlet of the third air duct 023 when the wind shielding member 31 is located at a position completely shielding the inlet of the third air duct 023, and the switching device 3 opens the inlet of the third air duct 023 when the wind shielding member 31 is located at a position parallel to the flow direction of the air flow.

Other constructions of the laundry treating apparatus 1000 are well known in the art and are well known to those skilled in the art, and thus, the other constructions of the laundry treating apparatus 1000 will not be described in detail herein.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A ventilation assembly, comprising:

the wind shield is provided with a first wind outlet part, a second wind outlet part and a third wind outlet part;

an air inlet cavity and an air outlet cavity are defined between the air duct shell and the wind shield, the air outlet cavity comprises a first air duct communicated with the first air outlet part and the air inlet cavity, a second air duct communicated with the second air outlet part and the air inlet cavity, and a third air duct communicated with the third air outlet part and the air inlet cavity, and the third air duct is positioned between the first air duct and the second air duct;

and the switching device is arranged on the air duct shell and used for opening and closing the inlet of the third air duct so as to control the on-off of the air flow between the third air duct and the air inlet cavity.

2. The ventilation assembly of claim 1, wherein the air intake cavity and the air outlet cavity are arranged in a first direction, and the first air duct, the third air duct, and the second air duct are arranged side-by-side in a second direction that intersects the first direction.

3. The ventilation assembly of claim 1, wherein the duct housing comprises:

a housing;

two partitions arranged in the housing at intervals, each of the partitions being connected to the bottom wall of the housing;

the third air duct is located between the two separating pieces, the first air duct is located between one of the separating pieces and the side wall of the housing, and the second air duct is located between the other separating piece and the side wall of the housing.

4. A ventilation assembly according to claim 3, wherein a first lengthwise end of each of the dividers is connected to a side wall of the enclosure, an inlet of the third duct is located between a second lengthwise end of both of the dividers, an inlet of the first duct is located between a second lengthwise end of one of the dividers and a side wall of the enclosure, and an inlet of the second duct is located between the other of the dividers and a side wall of the enclosure.

5. A ventilation assembly according to claim 3, wherein the air inlet chamber is for mounting a wind wheel, the side wall of the housing is provided with a volute tongue and the volute tongue is located between the wind wheel and the air outlet chamber, at least a portion of the two dividers extending in a direction towards each other in a direction towards the volute tongue.

6. The ventilation assembly of claim 1, wherein the wind deflector has a first air outlet region corresponding to the first air duct location, a second air outlet region corresponding to the second air duct location, and a third air outlet region corresponding to the third air duct location, the first air outlet portion being disposed in the first air outlet region, the second air outlet portion being disposed in the second air outlet region, and the third air outlet portion being disposed in the third air outlet region.

7. The ventilation assembly of claim 6, wherein the wind deflector further has a fourth air outlet region corresponding to a portion of the air inlet chamber proximate the air outlet chamber, the fourth air outlet region having a fourth air outlet in communication with the air inlet chamber.

8. The vent assembly of claim 6, wherein the air deflector further has an air vent that forms an inlet to the air intake cavity.

9. A ventilation assembly according to any one of claims 1 to 8, wherein the switching means comprises a rotatable windscreen for opening and closing the inlet of the third duct.

10. The ventilation assembly of claim 9, wherein the bottom wall of the air duct housing is provided with a fixed shaft perpendicular thereto, and the wind shield is provided to the fixed shaft and is configured to rotate about the fixed shaft under the driving of an air flow.

11. The ventilation assembly of claim 10, wherein the wind shield comprises a plurality of wind shields spaced circumferentially about the fixed shaft, at least two of the wind shields being disposed opposite each other on either side of the fixed shaft.

12. The ventilation assembly of claim 11, wherein a projected shape of at least two of the windshields in a plane of an inlet of the third air duct is the same as the inlet shape of the third air duct.

13. The vent assembly of claim 11, wherein the wind shield forms a helical blade.

14. The ventilation assembly of claim 10, wherein the stationary shaft is disposed in a middle portion of an inlet of the third air duct.

15. The ventilation assembly of claim 9, wherein the air duct housing is provided with a rotating shaft parallel to a bottom wall thereof, and the wind shielding member is provided to the rotating shaft and rotates with the rotating shaft.

16. The vent assembly of claim 15, wherein the switching device further comprises a drive motor coupled to the shaft for driving the shaft in rotation.

17. The ventilation assembly of any of claims 1-8, wherein the inlet of the first air duct and the inlet of the second air duct are in a normally open state.

18. A laundry treatment apparatus comprising a ventilation assembly according to any one of claims 1 to 17.

19. The laundry treatment apparatus of claim 18, further comprising:

the clothes treating barrel is provided with a clothes treating cavity, a first air inlet part and a second air inlet part which are communicated with the clothes treating cavity, a first air passing cavity and a second air passing cavity are defined between the wind shield and the bottom wall of the clothes treating barrel, and the first air passing cavity surrounds the outer side of the second air passing cavity;

the first air inlet part is communicated with the first air outlet part and the second air outlet part through the first air passing cavity, and the second air inlet part is communicated with the third air outlet part through the second air passing cavity.

20. The laundry treatment apparatus of claim 19, wherein an air guide is provided in the laundry treatment tub, the air guide being adapted to communicate the laundry treatment chamber with the first air inlet or the second air inlet.