CN212746662U

CN212746662U - Air outlet structure and household appliance

Info

Publication number: CN212746662U
Application number: CN202021161684.0U
Authority: CN
Inventors: 刘建刚
Original assignee: Midea Intelligent Lighting and Controls Technology Co Ltd
Current assignee: Midea Intelligent Lighting and Controls Technology Co Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-19
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to a household electrical appliances field, concretely relates to air-out structure and domestic appliance, include: the baffle plate component comprises a baffle plate, the baffle plate is provided with a vent hole, and the baffle plate is rotatably arranged at an air outlet of the household appliance; the air deflector assembly comprises an air deflector which is rotatably arranged on the outer side of the baffle; the baffle plate and the air guide plate are matched to realize different air outlet modes. Under no wind sense mode, the baffle is in the second position and forms to shelter from the air outlet, and the wind that flows through the baffle ventilation hole like this is broken up to realized no wind sense's effect, improved the comfort level of use.

Description

Air outlet structure and household appliance

Technical Field

The utility model relates to a household electrical appliances field, concretely relates to air-out structure and domestic appliance.

Background

Along with the improvement of living standard of people, people also have higher and higher requirements on the use comfort level of products, and the bathroom heater product is taken as a frequently-used electric appliance product, and the use comfort level of people needs to be considered.

The warming bathroom heater product has the advantages that the heat is concentrated, the skin close to the bulb part has burning sensation in the using process, the part far away from the bulb feels cold, the light is strong and glaring, the using comfort degree is very poor, and the product is basically eliminated at present.

Most of the commercial air-warming bath heaters cannot adjust the air speed, the air speed is usually high to ensure the air supply distance and the thermal efficiency of a Positive Temperature Coefficient (PTC) heater, and strong wind directly blows on wet skin during bathing to give people a cold feeling. In addition, a small number of products have the function of adjusting the wind speed, but according to the working principle of the PTC, the wind speed is reduced while the power of the PTC is reduced, the heating effect is greatly reduced, and the experience of the constant-speed and speed-adjusting bathroom heater products for people is not good.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve the above technical problems in the related art at least to some extent. Therefore, the utility model provides an air-out structure and domestic appliance can break up, spread the wind in air outlet department to realized the effect of no wind sense, increased the comfort level of using.

In order to achieve the above object, the utility model discloses a first aspect provides an air-out structure, include:

the baffle plate component comprises a baffle plate, the baffle plate is provided with a vent hole, and the baffle plate is rotatably arranged at an air outlet of the household appliance;

the air deflector assembly comprises an air deflector which is rotatably arranged on the outer side of the baffle;

the baffle plate and the air guide plate are matched to realize different air outlet modes.

The second aspect of the utility model provides a household appliance, which comprises a shell and the air outlet structure,

an air outlet is formed in the shell, and the air deflector is rotatably arranged at the air outlet.

Additionally, according to the utility model discloses above-mentioned air-out structure can also have following additional technical characterstic:

according to the utility model discloses an embodiment still includes: the baffle plate is provided with a first position and a second position, and the air deflector is provided with a third position and a fourth position;

in the first position, the baffle surface is parallel to the air outlet path, and in the second position, the baffle surface is perpendicular to the air outlet path; in the third position, the air deflector guides the outlet air; and at the fourth position, the air deflector shields the air outlet so as to close the air outlet.

According to an embodiment of the present invention, the air-out mode includes a no-wind-sense mode, a direct-blowing mode, and a closed mode;

the air deflector is arranged at the third position, the baffle is arranged at the first position, and the household appliance realizes a direct blowing mode;

the air deflector is arranged at the third position, the baffle is arranged at the second position, and the household appliance realizes a no-wind-sense mode;

the air deflector is arranged at the fourth position, the baffle is arranged at the second position, and the household appliance realizes a closing mode.

According to an embodiment of the present invention, the baffle plate assembly further comprises:

the first driving assembly is used for driving the baffle to rotate;

the two opposite ends of the baffle are respectively provided with a first connecting piece and a second connecting piece; the first connecting piece is used for being rotatably connected with the household appliance, and the second connecting piece is used for being fixedly connected with the first driving assembly.

According to the utility model discloses an embodiment, the aviation baffle has drive end and driven end, the aviation baffle subassembly still includes:

the transmission assembly is connected with the driving end of the air deflector;

the second driving assembly drives the air deflector to move through the transmission assembly;

the driven end is bent towards the inner side close to the air deflector relative to the driving end, and the air deflector can completely close the air outlet under the driving of the second driving assembly.

According to the utility model discloses an embodiment, transmission assembly includes:

one end of the driving crank is fixed to the driving end, and the other end of the driving crank is driven by the second driving assembly to rotate.

According to an embodiment of the present invention, the transmission assembly further comprises:

one end of the driven crank is fixed at the driven end, and the other end of the driven crank is used for being rotatably connected with the household appliance;

and the driving crank and the driven crank are coaxially arranged along the length direction of the air deflector.

According to an embodiment of the present invention, the air deflector has a windward side, and the windward side is a convex curved surface.

According to an embodiment of the present invention, the household appliance is selected from a heater, an air conditioner or a fan.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the baffle is arranged at the air outlet to form shielding, so that the air flowing out through the vent holes of the baffle is scattered and diffused, the effect of no wind sense is realized, and the use comfort level is improved;

2. the windward side of the air deflector is a convex curved surface, according to the coanda effect, air flowing through the convex curved surface of the air deflector deviates from the original straight air outlet path and flows along the convex curved surface of the air deflector, and finally is blown out from the bottom end of the air deflector, so that the purposes of increasing the air outlet area and improving the use comfort of users are achieved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is an exploded view of some components of a household appliance in some embodiments of the present invention;

fig. 2 is a cross-sectional view of the household appliance in some embodiments of the present invention, in which the hot air feeling mode is turned on, and the direction indicated by the arrow is the air flowing direction;

fig. 3 is a cross-sectional view of the household appliance in the non-wind sensing mode according to some embodiments of the present invention, wherein the direction indicated by the arrow is the air flowing direction;

fig. 4 is an assembled side view of an air deflection plate and drive assembly of some embodiments of the present invention 1;

fig. 5 is a side view of an assembly of the air deflection plate and the drive assembly of some embodiments of the present invention 2;

fig. 6 is a state diagram of the air deflector in the third position according to another embodiment of the present invention, wherein the direction indicated by the arrow is the air flowing direction.

The reference numbers are as follows:

the household appliance comprises a household appliance 100, a ceiling keel 200, a housing 10, a first air duct 101, a fan assembly 11, an air wheel 110, an air wheel motor 111, a volute 112, a second air duct 113, an air duct switching baffle 12, an air guide cover 13, a heating body 14, a panel assembly 15, an air outlet 150, a screw column 151, a panel side wall clamping position 152, a baffle 16, an air vent 160, a first connecting piece 161, a second connecting piece 162, a reinforcing rib 163, an air guide plate assembly 17, an air guide plate 170, a driving end 1701, a driven end 1702, a windward side 1703, a leeward side 1704, a second driving assembly 171, a motor shaft 1710, a driving crank 172, a third connecting piece 1720, a driven crank 173, a fourth connecting piece 1730, a first driving assembly 18, a motor shaft 180 of a non-wind-sensing stepping motor, a motor support 19, a first mounting piece 190 and a second mounting piece 191.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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

For convenience of description, spatially relative terms, such as "bottom," "front," "upper," "oblique," "lower," "top," "inner," "horizontal," "outer," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. This spatially relative relationship is intended to encompass different orientations of the mechanism in use or operation in addition to the orientation depicted in the figures. For example, if the mechanism in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below.

Referring to fig. 1 to 3, some embodiments of the present invention provide a household appliance 100, specifically, the household appliance 100 in this embodiment may be a hot air type heater, and the air outlet mode of the heater may include a no-wind-feeling mode, a direct blowing mode and a closing mode, and of course, other types of household appliances 100 may also be used, such as an air conditioner, a fan, etc., this embodiment is not limited herein, and the household appliance 100 includes: the air conditioner comprises a shell 10, an air outlet structure (which will be described in detail below), a fan assembly 11, an air duct switching baffle 12, a hollow air guiding cover 13 and a heating element 14, wherein the fan assembly 11, the air duct switching baffle 12, the hollow air guiding cover 13 and the heating element 14 are all installed in the shell 10, and the heating element 14 can be a PTC heater.

Referring to fig. 2 to 3, a first air duct 101 extending in a vertical direction is formed in the housing 10, a second air duct 113 extending in a horizontal direction is defined in the fan assembly 11, the fan assembly 11 is configured to supply air into the first air duct 101 through the second air duct 113, the first air duct 101 is connected to the second air duct 113 by the air duct switching baffle 12, and the air duct switching baffle 12 extends in an inclined manner toward an air supply direction close to the second air duct 113. It should be noted that the fan assembly 11 flows out the airflow in the horizontal direction through the first air duct 101, and the airflow in the horizontal direction collides with the obliquely arranged air duct switching baffle 12, so that the airflow in the horizontal direction is changed into the airflow in the vertical direction, and the airflow in the vertical direction flows into the first air duct 101 extending in the vertical direction, thereby completing the switching of the airflow from the second air duct 113 to the first air duct 101.

In addition, the fan assembly 11 includes a wind wheel 110, a wind wheel motor 111 for driving the wind wheel 110 to rotate, and a volute 112, a second air duct 113 is defined in the volute 112, the wind wheel motor 111 drives the wind wheel 110 to rotate, an air flow is generated, and the air flow flowing out via the volute 112 flows into the first air duct 101 via the air duct switching baffle 12.

Further, a panel assembly 15 is installed at the bottom of the casing 10, an air outlet 150 communicated with the first air duct 101 is formed in the panel assembly 15, an opening at one end of the air guiding cover 13 is communicated with the air outlet 150 of the first air duct 101, and an opening at one end of the air guiding cover 13 is smaller than an opening at the other end of the air guiding cover 13. Specifically, the air guiding cover 13 is a hollow structure with a wide top and a narrow bottom, wherein a small opening end of the air guiding cover 13 is disposed near the air outlet 150 and is communicated with the air outlet 150, a heating element 14 is disposed between a large opening end of the air guiding cover 13 and a bottom end of the air channel switching baffle 12, the inner wall of the air guiding cover 13 and part of the inner wall of the housing 10 define a first air channel 101, and the heating element 14 is located at an air inlet of the first air channel 101, specifically, after the air flow in the horizontal direction changes the flow direction through the air channel switching baffle 12, the air flow flows into the hollow structure of the air guiding cover 13 through the heating element 14 at the air inlet of the first air channel 101, and then flows out through.

It should be noted that the air outlet structure includes a baffle assembly (which will be described in detail below) and an air guiding plate assembly 17, the baffle assembly includes a baffle 16 having a vent 160, the air guiding plate assembly 17 includes an air guiding plate 170, the baffle 16 is rotatably disposed at the air outlet 150, the air guiding plate 170 is rotatably disposed at an outer side of the baffle 16, and the baffle 16 and the air guiding plate 170 can be mutually matched to realize different air outlet modes of the household appliance 100.

It should be noted that the baffle 16 and the air deflector 170 can rotate at different angles, so that the baffle 16 and the air deflector 170 can rotate to different positions to cooperate with each other to realize different air outlet modes of the household appliance 100. Specifically, in the present embodiment, only the baffle 16 is in the first position and the second position, and the air guiding plate 170 is in the third position and the fourth position, which are matched to achieve different air outlet modes, as an example, it is mentioned that, in the present embodiment, this is not limited thereto, the baffle 16 may have a plurality of position states when rotating to different angles, and accordingly, the air guiding plate 170 may also have a plurality of position states when rotating to different angles, so that the baffle 16 and the air guiding plate 170 may also be matched to achieve a plurality of air outlet modes, and the present embodiment is not described herein in detail.

2-3, in the first position, the surface of the baffle 16 is parallel to the air outlet path, and in the second position, the surface of the baffle 16 is perpendicular to the air outlet path; in the third position, the air deflector 170 guides the outlet air; in the fourth position, the air deflector 170 shields the air outlet 150 to close the air outlet 150. Specifically, when the air deflector 170 is in the third position and the baffle 16 is in the first position, the household appliance 100 realizes the direct blowing mode, at this time, the air outlet 150 is fully opened, and the air generated by the fan assembly 11 directly flows out from the air outlet 150.

When the air deflector 170 is in the third position and the baffle 16 is in the second position, the household appliance 100 implements the no-wind mode, which is to be noted that the no-wind mode is not a mode in which the wind outlet 150 completely has no wind flowing out, but a mode in which the wind flows out, but the wind is softer than direct blowing. In the no-wind mode, the air outlet 150 is blocked by the baffle 16, and the wind generated by the fan assembly 11 can only flow out from the ventilation holes 160 on the baffle 16, i.e. the wind is scattered at the ventilation holes 160 of the baffle 16, so that the no-wind effect is realized, and the use comfort is improved.

When the air deflector 170 is at the fourth position and the baffle 16 is at the second position, at this time, the air outlet 150 is completely sealed by the air deflector 170, the baffle 16 also shields the air outlet 150, and the household appliance 100 realizes the closing mode.

In some embodiments of the present invention, with reference to fig. 1, the baffle assembly further includes a first driving assembly 18 for driving the baffle 16 to rotate, the opposite ends of the baffle 16 are respectively provided with a first connecting member 161 and a second connecting member 162, wherein the first connecting member 161 and the second connecting member 162 are disposed along the length direction of the baffle 16, the first connecting member 161 is used for rotatably connecting with the panel assembly 15, the second connecting member 162 is used for fixedly connecting with the first driving assembly 18, specifically, the first driving assembly 18 can be a non-wind-sensing stepping motor, the second connecting member 162 can be a clamping groove, one end of the baffle 16 can be fixed on the motor shaft 180 of the non-wind-sensing stepping motor through the clamping groove, the first connecting member 161 can be a rotating shaft, and the other end of the baffle 16 can be rotatably connected with the panel assembly 15 through the rotating shaft. It should be noted that the first connecting member 161 may also be a rotating shaft hole, the rotating shaft may extend from the panel assembly 15, and the two may also be rotatably connected, and in addition, the second connecting member 162 and the first driving assembly 18 may also be fixed by other matching structures, which is not limited herein, and those skilled in the art may flexibly select the connecting member according to needs.

It should be noted that a ring of ribs 163 is provided around the edge of the baffle 16 to increase the strength of the baffle.

Further, in some embodiments of the present invention, with continued reference to fig. 1 and with reference to fig. 4-5, the air guiding plate assembly 17 further comprises a transmission assembly (described in detail below) and a second driving assembly 171, wherein the air guiding plate 170 has a driving end 1701 and a driven end 1702, the transmission assembly is connected to the driving end 1701 of the air guiding plate 170, the second driving assembly 171 drives the air guiding plate 170 to move through the transmission assembly, wherein the driven end 1702 is bent toward the inner side close to the air guiding plate 170 relative to the driving end 1701, and the air guiding plate 170 can open or completely close the air outlet 150 under the driving of the second driving assembly 171.

It should be noted that the air deflector 170 is located outside the baffle 16, and the rotation of the air deflector 170 and the rotation of the baffle 16 can be controlled independently, and the movement of the two does not interfere with each other.

Further, with continuing reference to fig. 1 and with further reference to fig. 4-5, the transmission assembly includes: at least one driving crank 172 and at least one driven crank 173, wherein the driving crank 172 and the driven crank 173 are coaxially arranged along the length direction of the air deflector 170. Wherein one end of the driving crank 172 is fixed to the driving end 1701, the other end of the driving crank 172 is rotated under the second driving assembly 171, one end of the driven crank 173 is fixed to the driven end 1702, and the other end of the driven crank 173 is used for rotatably connecting with the panel assembly 15. Specifically, the driving crank 172 is provided with a third connecting member 1720 for connecting with the second driving assembly 171, and the driven crank 173 is provided with a fourth connecting member 1730 for connecting with the panel assembly 15, in this embodiment, the third connecting member 1720 may be a slot, and the fourth connecting member 1730 may be a rotating shaft. Accordingly, along the length direction of the panel assembly 15, a structure, such as a rotating shaft sleeve or a rotating shaft hole, which is matched with the fourth connecting member 1730, is disposed on the panel assembly 15, which is not described herein again.

It should be noted that the air deflector 170 is disposed at the air outlet 150, and when the air outlet 150 is opened, the air deflector 170 is located outside the panel assembly 15; when the air outlet 150 is closed, the air deflector 170 is attached to the outer surface of the panel assembly 15, and does not occupy the inner space of the household electrical appliance 100, in addition, in the present embodiment, the driven end 1702 of the air deflector 170 is pre-deformed, so that the driven end 1702 of the air deflector 170 is bent towards the inner side close to the air deflector 170 relative to the driving end 1701, so that the formed air deflector 170 is a non-linear air deflector 170, compared with the conventional linear air deflector 170, a distance difference exists between a plane of a terminal end of the driven end 1702 and a plane of a driving end 1701, that is, a distance between the driven end 1702 and the panel assembly 15 is smaller than a distance between the driving end 1701 and the panel assembly 15, when the air deflector 170 is driven by the second driving assembly 171 to move, when the air outlet 150 needs to be closed, the driven end 1702 and the panel assembly 15 first come into contact, at this time, the driving end 1701 and the panel assembly 15 have a certain gap, the, until the driving end 1701 contacts the panel assembly 15, a certain pre-pressure is generated between the driven end 1702 and the panel assembly 15, the phenomenon that the driven end sags under the action of gravity to cause a gap between the driven end 1702 and the panel assembly 15 is avoided, and the air outlet 150 is completely closed.

It should be noted that, with reference to fig. 1, the second driving assembly 171 may be a wind direction adjusting stepping motor, the driving crank 172 is fixedly connected to the motor shaft 1710 of the wind direction adjusting stepping motor through a slot on the driving crank, the first driving assembly 18 and the second driving assembly 171 may be fixed on the same motor bracket 19, the motor bracket 19 is fixedly installed on the panel assembly 15, specifically, a screw column 151 for fixing the motor bracket 19 may be disposed on the panel assembly 15, and the motor bracket 19 may be fixed on the screw column 151 of the panel assembly 15 by a screw.

In other embodiments of the present invention, as shown in fig. 6, the air deflector 170 has a windward side 1703 and a leeward side 1704 opposite to the windward side 1703, wherein one end of the driving crank 172 and the driven crank 173 is fixed on the windward side 1703, and the leeward side 1704 is a plane, the windward side 1703 is a convex curved surface, the air deflector 170 is at the third position, the air deflector 170 guides the outlet air, specifically, according to the coanda effect, the air flowing through the convex curved surface of the air deflector 170 can deviate from the original straight outlet air path and flow along the convex curved surface of the air deflector 170, and finally, the air is blown out from the bottom end of the air deflector 170, thereby increasing the outlet air area and improving the comfort level of users.

Accordingly, the motor bracket 19 is provided with a first mounting part 190 and a second mounting part 191 for fixedly mounting the first driving component 18 and the second driving component 171, specifically, the first mounting part 190 and the second mounting part 191 may be selected from screw posts, and the first driving component 18 and the second driving component 171 are respectively fixed on the first mounting part 190 and the second mounting part 191 through screws.

It is worth mentioning that, with continued reference to fig. 1, panel side wall position clips 152 are arranged around the edge of the panel assembly 15, when the household appliance 100 is installed, the casing 10 can be placed at the upper end of the ceiling keel 200, the wiring of the household appliance 100 is completed according to the wiring diagram of the household appliance 100, and then the panel assembly 15 is clamped on the ceiling keel 200 through the panel side wall position clips 152 after the panel assembly 15 and the casing 10 are well aligned.

It should be noted that, with reference to fig. 2, after the household electrical appliance 100 is powered on, the air outlet mode is selected, when the direct blowing mode is selected, first the air deflector 170 is driven by the second driving component 171 to rotate to the vertical position, then the baffle 16 is driven by the first driving component 18 to rotate to the vertical position, at this time, the air deflector 170 and the baffle 16 open the air outlet 150, the baffle 16 rotates to be substantially parallel to the air outlet direction, then the wind wheel 110 starts to rotate under the driving of the wind wheel motor 111 to blow air, meanwhile, the heating element 14 is powered on to work, the air is blown to the heating element 14 through the volute 112 and the air channel switching baffle 12 under the action of the wind wheel 110, and is heated by the heating element 14 and then directly blown out downwards through the air guide cover 13 at high speed, so as to quickly preheat the.

When the temperature sensor in the household appliance 100 reaches the set temperature, or reaches the set time, or is manually operated by a user, the no-wind-sense mode is started, the baffle 16 is driven by the first driving component 18 to rotate to the horizontal position (refer to fig. 3 continuously), at this time, air is blown to the heating element 14 through the volute 112 and the air channel switching baffle 12 under the action of the wind wheel 110, and is heated by the heating element 14 and then blown downwards through the wind guide cover 13, the air passes through the baffle 16, and is scattered and diffused through the vent holes 160 arranged on the baffle 16, so that the wind speed of the wind blown to the human body is reduced, and the no-wind-sense function is realized. Because the rotating speed of the wind wheel 110 is not reduced under the function, the air quantity flowing through the heating body 14 cannot be obviously reduced, and according to the working principle of the heating body 14, the heating power of the heating body 14 cannot be obviously reduced, so that enough heating quantity is ensured, the heating quantity is also ensured while no wind sense is realized, and the use comfort level of a user is improved.

When the air outlet is not needed, the air outlet mode can be selected from a closing mode, at this time, the fan assembly 11 stops working, the air deflector 170 rotates to the fourth position, and the air outlet 150 is completely shielded, so that the closing mode is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an air-out structure which characterized in that includes:

2. The air outlet structure of claim 1, wherein the baffle has a first position and a second position, and the air deflector has a third position and a fourth position;

3. The air outlet structure of claim 2, wherein the air outlet mode includes a no-wind-sensation mode, a direct blowing mode and a closing mode;

4. The air outlet structure of claim 1, wherein the baffle assembly further comprises:

the first driving assembly is used for driving the baffle to rotate;

5. The air outlet structure of claim 1, wherein the air guiding plate has a driving end and a driven end, and the air guiding plate assembly further comprises:

6. The air outlet structure of claim 5, wherein the transmission assembly comprises:

7. The air outlet structure of claim 6, wherein the transmission assembly further comprises:

8. The air outlet structure of claim 1, wherein the air deflector has a windward surface, and the windward surface is a convex curved surface.

9. An electric household appliance, characterized by comprising a casing and the air outlet structure of any one of claims 1 to 8, wherein the casing is provided with an air outlet, and the air deflector is rotatably arranged at the air outlet.

10. The household appliance according to claim 9, wherein the household appliance is selected from a warmer, an air conditioner, or a fan.