CN115434575A

CN115434575A - Household electrical appliance

Info

Publication number: CN115434575A
Application number: CN202110612423.9A
Authority: CN
Inventors: 张永忠; 李国保; 李小兵; 林奇
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-12-06
Anticipated expiration: 2041-06-02
Also published as: CN115434575B

Abstract

The application discloses a household appliance. The household appliance comprises a door body and a switch assembly. The door body is provided with a handle, and the switch assembly comprises a driving mechanism and a cover plate. The driving mechanism is connected with the cover plate and used for driving the cover plate to move to a first preset position or a second preset position, the cover plate covers the handle under the condition that the cover plate is located at the first preset position, and the cover plate exposes the handle under the condition that the cover plate is located at the second preset position. According to the household appliance, the switch assembly is provided with the hidden handle, so that the cover plate can cover the handle under the condition that the household appliance is not powered on, and the appearance of the whole household appliance is smooth and attractive; under the condition that domestic appliance worked, the apron can shelter from the handle, can not directly open the door body, has the guard action, has promoted the security that domestic appliance used.

Description

Household electrical appliance

Technical Field

The application relates to the field of household appliances, in particular to a household appliance.

Background

In the related art, the household appliance can open the door through the handle arranged on the door, so that children can easily operate the door by mistake to open the door of the household appliance accidentally, and if the door is opened in the working process of the household appliance, hot gas or steam in the cavity of the household appliance can be sprayed out by opening the door, thereby causing personal injury accidents.

Disclosure of Invention

The application provides a household appliance.

The household appliance comprises a door body and a switch assembly, wherein the door body is provided with a handle, and the switch assembly comprises a driving mechanism and a cover plate. The driving mechanism is connected with the cover plate and used for driving the cover plate to move to a first preset position or a second preset position, the cover plate covers the handle under the condition that the cover plate is located at the first preset position, and the cover plate is exposed out of the handle under the condition that the cover plate is located at the second preset position.

In the household appliance in the embodiment of the application, the switch assembly is provided with the hidden handle, so that the cover plate can shield the handle under the condition that the household appliance is not powered on, and the whole household appliance is smooth and attractive in appearance; under the condition that domestic appliance worked, the apron can shelter from the handle, can not directly open the door body, has the guard action, has promoted the security that domestic appliance used.

In some embodiments, the switch assembly further includes a transmission mechanism, the transmission mechanism connects the driving mechanism and the cover plate, and the driving mechanism is configured to drive the cover plate to move to the first preset position or the second preset position through the transmission mechanism.

In some embodiments, the door body is provided with a trigger switch, the trigger switch is connected to the driving mechanism, and the trigger switch is used for controlling the driving mechanism to drive the cover plate to move to the first preset position when the door body is closed in place.

In some embodiments, the household appliance is provided with an on-off key, the on-off key is connected with the driving mechanism, and the on-off key is used for controlling the driving mechanism to drive the cover plate to move to the second preset position or to move to the first preset position when being operated.

In some embodiments, the switch assembly further comprises a position sensor, and the driving mechanism stops operating when the position sensor is triggered during the process that the cover plate moves from the first preset position to the second preset position or from the second preset position to the first preset position.

In some embodiments, the transmission mechanism includes a screw rod, a nut, a sliding assembly and a drawbar assembly, the nut is disposed on the screw rod, the screw rod is connected to the driving mechanism, the sliding assembly is connected to the drawbar assembly, the drawbar assembly is connected to the cover plate, the driving mechanism is configured to drive the screw rod to rotate, and the nut can move on the screw rod along the length direction of the screw rod under the condition that the screw rod rotates to drive the sliding assembly to slide, so as to drive the drawbar assembly and the cover plate to move.

In some embodiments, the sliding assembly includes a coupling assembly coupled to the nut, a fixing assembly disposed on the mounting plate to support the coupling assembly, and a mounting plate.

In some embodiments, the connecting assembly includes a first connecting member, a second connecting member, and an elastic member, the first connecting member is connected to the nut, the second connecting member is slidably connected to the first connecting member, the elastic member is disposed on the second connecting member and abuts between the fixing assembly and the first connecting member, and the second connecting member is mounted on the fixing assembly.

In some embodiments, the driving mechanism includes a motor, and a gear assembly connected to the motor, the gear assembly being connected to the worm, and the motor being configured to rotate the worm by driving the gear assembly.

In some embodiments, the switch assembly includes a guide assembly including a rail and a slide, the slide being slidable on the rail, one of the slide and the rail being coupled to the cover.

In some embodiments, the household appliance includes a cavity, and the cover plate is flush with a surface of the cavity or a surface of the door body.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a home appliance according to an embodiment of the present application;

fig. 2 is another schematic structural diagram of the household appliance according to the embodiment of the present application;

fig. 3 is a further structural schematic diagram of the household appliance of the embodiment of the present application;

FIG. 4 is an exploded schematic view of a switch assembly of an embodiment of the present application;

FIG. 5 is an enlarged schematic view at V of FIG. 4;

fig. 6 is a schematic diagram of a switch assembly according to an embodiment of the present application.

The main characteristic reference numbers:

the household appliance comprises a household appliance 100, a door body 10, a handle 11, a switch assembly 20, a driving mechanism 21, a motor 211, a connecting motor 211, a gear assembly 212, a transmission mechanism 22, a screw rod 221, a nut 222, a sliding assembly 223, a connecting assembly 2231, a first connecting piece 2231a, a second connecting piece 2231b, an elastic piece 2231c, a fixed assembly 2232, a mounting plate 2233, a tow bar assembly 224, a cover plate 23, a position sensor 24, a guide assembly 25, a guide rail 251, a slide bar 252, a fixed plate 26, a cavity 30 and a switch key 40.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the embodiments of the present application, and are not construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the convenience of describing the embodiments of the present application and for simplifying the description. The features defined as "first", "second" may explicitly or implicitly include one or more of the features described. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above-mentioned terms in the embodiments of the present application are understood according to specific situations.

In embodiments of the present application, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the application. To simplify the disclosure of embodiments of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Embodiments of the present application may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. Embodiments of the present application provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1, 2 and 3 together, a household appliance 100 according to an embodiment of the present invention includes a door 10 and a switch assembly 20. The door body 10 is provided with a handle 11, the switch assembly 20 comprises a driving mechanism 21 and a cover plate 23, the driving mechanism 21 is connected with the cover plate 23, the driving mechanism 21 is used for driving the cover plate 23 to move to a first preset position L1 or a second preset position L2, the cover plate 23 covers the handle 11 under the condition that the cover plate 23 is located at the first preset position L1, and the cover plate 23 exposes the handle 11 under the condition that the cover plate 23 is located at the second preset position L2.

In the household appliance 100 of the embodiment of the application, the switch assembly 20 is provided with the hidden handle 11, so that the cover plate 23 can shield the handle 11 when the household appliance 100 is not powered on, and the whole household appliance 100 is smooth and attractive in appearance; under the condition that the household appliance 100 works, the cover plate 23 can shield the handle 11 and cannot directly open the door body 10, so that the protective effect is achieved, and the use safety of the household appliance 100 is improved.

The household appliance 100 may include, but is not limited to, a microwave oven, a steam box, a dishwasher, a micro-steaming and baking all-in-one machine, a microwave rice cooker, and the like.

The household appliance 100 in the embodiment of the present application is illustrated by taking a steam box as an example, and the household appliance 100 is illustrated by taking a steam box as an example for convenience of describing the implementation of the present application, which should not be construed as limiting the scope of the present application.

Specifically, in some embodiments, the steam box includes a door 10, a switch assembly 20 and a cavity 30, the switch assembly 20 may be disposed on the door 10, and the switch assembly 20 may also be disposed on the cavity 30, which is not limited herein.

The door 10 is connected to the cavity 30. The cavity 30 has a cooking cavity therein, and the front side of the cooking cavity has an opening. In some embodiments, the door 10 is rotatably coupled to a front portion of the cavity 30, and the door 10 is coupled to the cavity 30 to open and close the opening. That is, the cavity 30 has an opening whose front side is opened, and the door 10 is used to open and close a cooking cavity for placing food to be cooked. The door body 10 can be provided with a handle 11, so that the handle 11 can be operated conveniently, and the door body 10 can be opened and closed conveniently.

In some embodiments, the switch assembly 20 further includes a transmission mechanism 22, the transmission mechanism 22 connects the driving mechanism 21 and the cover plate 23, and the driving mechanism 21 is configured to drive the cover plate 23 to move to the first preset position L1 or the second preset position L2 through the transmission mechanism 22.

Referring to fig. 4, the driving mechanism 21 can drive the transmission mechanism 22 to move so as to drive the cover plate 23, and when the cover plate 23 is located at the first preset position L1, the cover plate 23 covers the handle 11, so that a user cannot directly open the door 10 through the handle 11, which has a protection effect and improves the safety of the household appliance 100. When the cover plate 23 is located at the second preset position L2, the handle 11 is exposed from the cover plate 23, so that a user can operate the opening and closing of the door 10 conveniently.

It should be noted that the handle 11 may be a recessed handle (as shown in fig. 3), the recessed handle may be embedded into the top of the door 10, and the recessed handle may be integrally formed with the door 10, so as to reduce the process and save the cost. Simultaneously, the groove type handle is flat and attractive in appearance and high in practicability.

Referring to fig. 1 and fig. 2 again, in some embodiments, the household appliance 100 is provided with an on-off switch 40, the on-off switch 40 is connected to the driving mechanism 21, and the on-off switch 40 is used for controlling the driving mechanism 21 to drive the cover plate 23 to move to the second preset position L2 or to move to the first preset position L1 when being operated.

In one embodiment, the switch key 40 may be a virtual key or a physical key. The switch key 40 has a child-lock function, the switch key 40 may be disposed on the door body 10, and the switch key 40 may also be disposed on the cavity 30, which is not limited herein.

In one embodiment, if the switch 40 is a virtual key, and the switch 40 is connected to the driving mechanism 21, the user may touch the switch 40 to move the cover 23 from the first preset position L1 to the second preset position L2, or move the cover 23 from the second preset position L2 to the first preset position L1.

In another embodiment, if the switch 40 is a physical button, and the switch 40 is connected to the driving mechanism 21, the user can press the switch 40 to move the cover 23 from the first preset position L1 to the second preset position L2, or can move the cover 23 from the second preset position L2 to the first preset position L1. That is, the user may change the position of the cover plate 23 using the switch key 40 such that the cover plate 23 shields the handle 11 or exposes the handle 11.

The door 10 can be pulled away by using the handle after the cover plate 23 is exposed out of the handle 11 by using the on-off key 40. After the door body 10 is closed, the cover plate 23 shields the handle 11 by using the switch key 40, so that the appearance is smooth and attractive.

In some embodiments, the door 10 is provided with a trigger switch, the trigger switch is connected to the driving mechanism 21, and the trigger switch is configured to control the driving mechanism 21 to drive the transmission mechanism 22 to drive the cover plate 23 to move to the first preset position L1 when the door 10 is closed in place.

Specifically, the trigger switch may be disposed on the door 10, and the trigger switch may be a mechanical structure or a sensor. The trigger switch can determine whether the door body 10 is closed in place through mechanical compression, sensor sensing judgment and the like. Under the condition that the door body 10 is closed in place, the driving mechanism 21 can be controlled to drive the transmission mechanism 22 to drive the cover plate 23 to move to the first preset position L1, that is, the cover plate 23 can be moved to shield the handle 11. Thus, when the door 10 is closed in place, the handle 11 can be automatically shielded, and the user does not need to press a key to close the door. The trigger switch is convenient and quick, and can provide better use feeling for users.

Referring to fig. 4, 5 and 6, in some embodiments, the switch assembly 20 further includes a position sensor 24, and the driving mechanism 21 stops operating when the position sensor 24 is triggered during the cover 23 moves from the first predetermined position L1 to the second predetermined position L2 or from the second predetermined position L2 to the first predetermined position L1.

In one embodiment, the position sensor 24 may be a micro switch, the transmission mechanism 22 is driven by the driving mechanism 21 to move the cover plate 23, and the transmission mechanism 22 is driven by the driving mechanism 21 to move so that the cover plate can move to the first preset position L1 or the second preset position L2.

The transmission mechanism 22 can be in contact with the microswitch, and the drive mechanism 21 is controlled to stop running under the condition that the transmission mechanism 22 is in contact with the microswitch. In this way, the transmission mechanism 22 can stop moving, and the cover plate 23 can stay at the preset position, i.e. the first preset position L1 or the second preset position L2.

The position sensor 24 may be a distance sensor, and in case the distance between a certain structure of the transmission 22 and the distance sensor is within a threshold value, the driving mechanism 21 may be controlled to stop running.

In one example, the transmission mechanism 22 includes a positioning bracket that follows the transmission mechanism 22 when the driving mechanism 21 is operated.

Specifically, in the process that the cover plate 23 moves from the first preset position L1 to the second preset position L2, the positioning bracket also moves, and in the case that the distance between the positioning bracket and the distance sensor is within the threshold value, it can be considered that the cover plate 23 has reached the second preset position L2 or is about to reach the second preset position L2, and at this time, the driving mechanism 21 stops operating.

It is worth mentioning that the position sensor 24 may be triggered by the actuator 22, by a component connected to the cover 23, or by the cover 23 itself, which is not limited herein. The position sensor 24 is triggered by the transmission 22, and the position sensor 24 is triggered by the transmission 22 for convenience of description of the application, and should not be construed as limiting the scope of the application.

Referring again to fig. 4 and 5, in some embodiments, the driving mechanism 21 includes a motor 211 and a gear assembly 212 connected to the motor 211, the gear assembly 212 is connected to the screw 221, and the motor 211 is configured to rotate the gear assembly 212 to rotate the screw 221.

Specifically, the motor 211 includes a driving motor that can convert electric energy into mechanical energy, and the driving motor is a power source of the switch assembly 20. The driving motor is connected with the gear assembly 212, the gear assembly 212 may include a plurality of gears, the plurality of gears include a driving gear and a driven gear, the driving gear is engaged with the driven gear, the motor 211 may drive the driving gear to rotate, and the driving gear drives the driven gear, thereby further driving the screw 221 to rotate through the driven gear. It is understood that in other embodiments, more gear sets may be employed by the gear assembly 212 and not limited to 2 gears. Of course, in some embodiments, the gear assembly 212 may also drive the screw 221 by using other transmission methods, such as a worm gear and worm drive, which is not limited herein.

In some embodiments, the motor 211 may include a motor bracket for mounting and supporting the motor such that the motor can be stably supported.

Referring to fig. 5 again, in some embodiments, the transmission mechanism 22 includes a screw 221, a nut 222, a sliding component 223, and a drawbar component 224, the nut 222 is disposed on the screw 221, the screw 221 is connected to the driving mechanism 21, the sliding component 223 is connected to the drawbar component 224, the drawbar component 224 is connected to the cover plate 23, the driving mechanism 21 is configured to drive the screw 221 to rotate, and the nut 222 can move on the screw 221 along the length direction of the screw 221 under the condition that the screw 221 rotates to drive the sliding component 223 to slide, thereby driving the drawbar component 224 and the cover plate 23 to move.

Specifically, the transmission mechanism 22 may be made of a metal material, wherein the screw 221 is connected to the gear assembly 212, the gear assembly 212 drives the screw 221 to rotate, the screw 221 is provided with threads, the nut 222 is disposed on the screw 221, the nut 222 is also provided with threads, and the threads are matched with the threads on the screw 221. The nut 222 can move along the length direction of the screw 221 by a screw thread, and the screw 221 is connected with the sliding assembly 223 by a connection method such as welding, bonding, and engaging. Therefore, when the nut 222 moves along the longitudinal direction of the screw 221, the sliding member 223 also moves along the longitudinal direction of the screw 221. In one embodiment, a buckle is provided on the sliding assembly 223, and the drawbar assembly 224 can be buckled on the sliding assembly 223 through the buckle, so that the drawbar assembly 224 can also move along the length direction of the screw rod 221 under the driving of the sliding assembly 223. The cover plate 23 can be screwed with the drawbar assembly 224, and the drawbar assembly 224 can drive the cover plate 23 to move to the first preset position L1 or the second preset position L2.

It is worth mentioning that the tow bar assembly 224 comprises a tow bar that can snap onto the slide assembly 223.

Referring again to fig. 5, in some embodiments, the sliding assembly 223 includes a connecting assembly 2231, a fixing assembly 2232, and a mounting plate 2233, the connecting assembly 2231 is connected to the nut 222, and the fixing assembly 2232 is disposed on the mounting plate 2233 to support the connecting assembly 2231.

Specifically, the sliding assembly 223 may include a plurality of fixed assemblies 2232, and in one embodiment, the sliding assembly 223 includes four fixed assemblies 2232, and the four fixed assemblies 2232 respectively fix the connecting assemblies 2231 such that the connecting assemblies 2231 are fixed on the mounting plate 2233. The connecting assembly 2231 can be fixed on the fixing assembly 2232 by means of clamping, and the connecting assembly 2231 and the fixing assembly 2232 can be arranged in an I shape, so that the sliding assembly 223 can be ensured to move more stably.

The fixing member 2232 may be disposed on the mounting plate 2233 by adhesion, welding, or the like, which is not limited herein.

The fixing member 2232 may correspond to a snap with a groove, so that the connecting member 2231 may be snapped into the fixing member 2232, and the connecting member 2231 and the fixing member 2232 connected by a snap-fit manner are convenient to detach and replace.

In some embodiments, the connecting assembly 2231 includes a first connecting member 2231a, a second connecting member 2231b, and an elastic member 2231c, wherein the first connecting member 2231a is connected to the nut 222, the second connecting member 2231b is slidably connected to the first connecting member 2231a, the elastic member 2231c is disposed on the second connecting member 2231b and supported between the fixing assembly 2232 and the first connecting member 2231a, and the second connecting member 2231b is mounted on the fixing assembly 2232.

Specifically, the first connecting member 2231a may be fixedly connected to the nut 222 by welding, bonding, or the like, a hole structure is formed on the first connecting member 2231a, and the second connecting member 2231b may be inserted into the first connecting member 2231a through the hole structure. In one embodiment, the connecting assembly 2231 includes two first connecting members 2231a and two second connecting members 2231b, wherein one first connecting member 2231a and one second connecting member 2231b are included as one group, and the other first connecting member 2231a and the other second connecting member 2231b are included as another group, which are disposed at both ends of the nut 222, respectively, so that the structure of the connecting assembly 2231 can be more stable. The connecting assembly 2231 further includes two elastic assemblies 2231c, the two elastic assemblies 2231c are respectively disposed on the two second connecting members 2231b in a penetrating manner, and two ends of the two second connecting members 2231b are respectively provided with a supporting structure, which can prevent the elastic assemblies 2231c from popping out when being compressed. In one embodiment, the connecting assembly 2231 may include four elastic structures 2231c, and two elastic structures 2231c are respectively disposed on the second connecting member 2231b and located at two ends of the first connecting member 2231 a. The elastic component 2231c can avoid the rigid connection of the connecting component 2231, so that the sliding component 223 has a buffering effect during the movement process, and the moving speed of the cover plate 23 is gradually reduced during the process of moving the cover plate 23 to the static state, thereby avoiding the collision between the cover plate 23 and the cavity 30.

Referring to fig. 4 and 6, in some embodiments, the switch assembly 20 includes a guide assembly 25, the guide assembly 25 includes a guide rail 251 and a slide bar 252, the slide bar 252 can slide on the guide rail 251, the slide bar 252 and one of the cover plates 23 of the guide rail 251.

Specifically, the cover plate 23 may connect the slide bar 252 and one of the guide rails 251 through the actuator 22.

In some embodiments, the household appliance 100 comprises a fixing plate 26, and the switch assembly 20 may be mounted on the fixing plate 26, wherein the driving mechanism 21 and the position sensor 24 may be fixedly mounted on the fixing plate 26 by screws and nuts, and the guide rail 251 may also be fixedly mounted on the fixing plate 26 by screws and nuts. The slide bar 252 is matched with the guide rail 251, the slide bar 252 can move on the guide rail 251 at a certain distance, and the slide bar 252 is connected with the towing bar assembly 224 through a connecting structure, so that the towing bar assembly 224 can drive the slide bar 252 to slide on the guide rail 251, that is, the slide bar 252 is connected with the transmission mechanism 22. In another embodiment, the slide bar 252 is disposed on the fixing plate 26, and the guide rail 251 is connected to the drawbar assembly 224 through a connection structure, so that the drawbar assembly 224 can drive the guide rail 251 to slide on the slide bar 252, that is, the guide rail 251 is connected to the transmission mechanism 22.

In some embodiments, the household appliance 100 includes a cavity 30, and the cover plate 23 is flush with the surface of the cavity 30 or the surface of the door 10.

In some embodiments, the fixing plate 26 may be disposed on the cavity 30, or may be disposed in the cavity 30, which is not limited herein. It is worth mentioning that the cover plate 23 is flush with the surface of the cavity 30, so that the appearance of the household appliance is smooth and beautiful.

In one embodiment, the cover plate 23 may be disposed on the top surface of the cavity 30, and the cover plate 23 is flush with the top surface of the cavity 30.

In another embodiment, the cavity 30 includes side surfaces, the cover plate 23 may be disposed on either side surface, and the cover plate 23 is flush with the side surfaces of the cavity 30.

In yet another embodiment, the door body 10 may be a push-pull door body, and the cover panel 23 may be disposed on a surface of the door body 10 and flush with the surface of the door body.

In some embodiments, the home appliance 100 further includes a controller and a receiver, and a user can communicate with the home appliance 100 using an electronic device, and the user can control the switch 40 using the electronic device. The home appliance 100 may receive the operation parameter information using at least one of: bluetooth subassembly, WIFI subassembly, mobile communication subassembly, USB interface, TYPE-C interface. The electronic device includes, but is not limited to, a smart phone, a tablet computer, a personal computer, a wearable smart device, and other electronic devices with communication functions. The user can arbitrarily select the electronic device to be communicatively connected to the home appliance 100. The electronic device may be in communication connection with the household appliance 100 through bluetooth, wireless lan, or the like. Thus, the user experience can be improved, and the household appliance 100 can be used more conveniently and quickly.

The controller can receive the wireless signal and control the switch key 40 according to the instruction of the user on the electronic device, so that the electronic device can be used to control the cover plate 23. It should be noted that the controller may be a single chip integrated with a processor, a memory, a communication module, and the like. The controller may be a Central Processing Unit (CPU), other general purpose controller, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like 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 application. In this specification, schematic representations of the above terms do not necessarily refer 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.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application and that variations, modifications, substitutions and alterations in the above embodiments may be made by those of ordinary skill in the art within the scope of the present application.

Claims

1. A household appliance, characterized in that it comprises:

the door body is provided with a handle;

the switch assembly, the switch assembly includes actuating mechanism and apron, actuating mechanism connects the apron, actuating mechanism is used for the drive the apron moves to first default position or second default position the apron is in under the condition of first default position, the apron shelters from the handle the apron is in under the condition of second default position, the apron exposes the handle.

2. The household appliance according to claim 1, wherein the switch assembly further comprises a transmission mechanism, the transmission mechanism is connected with the driving mechanism and the cover plate, and the driving mechanism is used for driving the cover plate to move to the first preset position or the second preset position through the transmission mechanism.

3. The household appliance according to claim 1, wherein the door body is provided with a trigger switch, the trigger switch is connected with the driving mechanism, and the trigger switch is used for controlling the driving mechanism to drive the cover plate to move to the first preset position when the door body is closed in place.

4. The household appliance according to claim 1, wherein the household appliance is provided with an on-off key, the on-off key is connected with the driving mechanism, and the on-off key is used for controlling the driving mechanism to drive the cover plate to move to the second preset position or to the first preset position when being operated.

5. The household appliance according to claim 1, wherein the switch assembly further comprises a position sensor, and the driving mechanism stops operating when the position sensor is triggered during the movement of the cover plate from the first preset position to the second preset position or from the second preset position to the first preset position.

6. The household appliance according to claim 2, wherein the transmission mechanism comprises a screw rod, a nut, a sliding assembly and a towing bar assembly, the nut is arranged on the screw rod, the screw rod is connected with the driving mechanism, the sliding assembly is connected with the towing bar assembly, the towing bar assembly is connected with the cover plate, the driving mechanism is used for driving the screw rod to rotate, and the nut can move on the screw rod along the length direction of the screw rod under the condition that the screw rod rotates so as to drive the sliding assembly to slide and further drive the towing bar assembly and the cover plate to move.

7. The household appliance of claim 6, wherein the sliding assembly comprises a connecting assembly, a fixing assembly and a mounting plate, wherein the connecting assembly is connected with the nut, and the fixing assembly is arranged on the mounting plate and supports the connecting assembly.

8. The household appliance according to claim 7, wherein the connecting assembly comprises a first connecting member, a second connecting member and an elastic member, the first connecting member is connected with the nut, the second connecting member is slidably connected with the first connecting member, the elastic member is arranged on the second connecting member in a penetrating manner and is abutted between the fixing assembly and the first connecting member, and the second connecting member is arranged on the fixing assembly.

9. The household appliance according to claim 6, wherein the driving mechanism comprises a motor and a gear assembly connected with the motor, the gear assembly is connected with the screw, and the motor is used for driving the gear assembly to rotate so as to drive the screw to rotate.

10. The household appliance of claim 1, wherein the switch assembly comprises a guide assembly including a rail and a slide, the slide being slidable on the rail, one of the slide and the rail being connected to the cover.

11. The household appliance according to claim 1, wherein the household appliance comprises a cavity, and the cover plate is flush with a surface of the cavity or a surface of the door body.