CN212408763U - Household electrical appliance - Google Patents

Abstract

The utility model provides a household appliance, include: the device comprises a shell (10), wherein a control device (20) is arranged in the shell (10), and a knob assembly (30) matched with the control device (20) is arranged outside the shell (10); the knob assembly (30) comprises a knob (301) matched with the shell (10), at least the upper surface of the peripheral wall (3017) of the knob (301) is an inclined surface, and the inclined surface gradually inclines towards the inside of the knob (301) from one end close to the shell (10) to one end far away from the shell (10). The utility model discloses a domestic appliance has avoided water stain the inside that gets into the casing through the assembly gap between the surface of knob and casing and the domestic appliance inner circuit's that leads to short circuit or explode quick-witted scheduling problem.

Description

Household electrical appliance

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a household appliance.

Background

The household appliance is a common household appliance, can quickly heat food, is safe and convenient to use, becomes an indispensable part of daily life of people, and improves the life quality of people. The household appliances commonly used at present comprise an induction cooker, an electric ceramic stove, an electric kettle, an electric rice cooker, a pressure cooker, a cooking machine, a frying and baking machine, an electric chafing dish and the like.

The existing household appliances generally have a plurality of operation modes in the cooking process, such as cooking, frying, keeping warm, turning on/off, and the like. Different work modes correspond different functional modules and heating power in the domestic appliance, and based on the work mode of domestic appliance is more, the operating panel of domestic appliance generally is provided with the knob at present, and the start and the stop of various functional module work are through the rotation control of this knob. The housing of the household appliance is provided with a coding switch, the rotation shaft of which is usually connected to a knob located outside the housing by passing directly through the housing of the household appliance.

However, in the using process, water stain easily enters the inside of the shell through an assembly gap between the knob and the outer surface of the shell, and the problems of short circuit or explosion of an internal circuit of the household appliance and the like are caused, so that the normal use of the household appliance is influenced, and the service life of the household appliance is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one problem mentioned in the background art, the utility model provides a domestic appliance can avoid water stain the inside of getting into the casing through the assembly gap between the surface of knob and casing and the domestic appliance inner circuit's that leads to short circuit or explode quick-witted scheduling problem to guarantee domestic appliance's normal use, extension domestic appliance's life.

In order to achieve the purpose, the utility model provides a household appliance, which comprises a shell, wherein a control device is arranged in the shell, and a knob component matched with the control device is arranged outside the shell; the knob subassembly include with casing complex knob, just at least the upper surface of the periphery wall of knob is the inclined plane, the inclined plane is from being close to the one end of casing is kept away from the one end of casing gradually to the knob is interior to slope.

The utility model provides a household appliance, the at least upper surface through the periphery wall of knob is the inclined plane, and this inclined plane is from the one end that is close to the casing to the one end of keeping away from the casing to the knob leanin gradually. Like this, after water stain falls on the knob along the casing, because the one side slope of casing is kept away from to the at least upper surface orientation of periphery wall of knob, water stain can flow along the direction of the slope outer wall orientation of knob keeping away from the casing, and can not get into the assembly gap between casing and the knob, thereby avoided outside water stain through this assembly gap get into the inside of casing, and then avoided arousing the short circuit or the machine scheduling problem of exploding of domestic appliance inner circuit, domestic appliance's normal use has been guaranteed, domestic appliance's life has been prolonged.

In the household appliance, optionally, the outer peripheral wall of the knob is a conical surface, a large end of the conical surface is close to the housing, and a small end of the conical surface is far away from the housing. The peripheral wall through the knob is the conical surface, can further guarantee that the knob rotates the in-process water stain and flow along the slope outer wall orientation of knob and keep away from the direction of casing, avoids water stain entering the assembly gap between casing and the knob.

In the household appliance described above, optionally, the knob assembly further includes: the knob cover is positioned on the end face of one end, far away from the shell, of the knob when the knob assembly is installed on the shell;

the knob cover and the knob are provided with a gap, a waterproof assembly is arranged between the knob and the knob cover, and the waterproof assembly is used for preventing liquid entering from the gap from entering the shell.

Like this, the rotation function of knob subassembly can be undertaken with the function of pressing by knob and knob lid respectively, and when needs realized rotation function, can drive the knob lid through rotatory knob and rotate, and then the knob lid can drive the rotation axis and rotate, when needs realized pressing the function, can drive the rotation axis motion through pressing the knob lid. Also, the waterproof assembly disposed between the knob and the knob cover may prevent liquid entering from a gap between the knob cover and the knob from entering the housing.

In the household appliance, optionally, the knob cover includes a main body portion and an extension portion connected to the main body portion, one end of the extension portion extends into the knob, and at least a portion of the main body portion is exposed outside the knob; and the extension part is provided with a first waterproof wall extending towards the inner wall of the knob.

Like this, after water stain gets into the gap between knob and the knob lid along the outer wall of knob, first bulkhead can play the effect that blocks water stain, prevents that water stain entering casing.

In the household appliance, optionally, an inner wall of the knob facing the knob cover has a first inner wall and a second inner wall connected to the first inner wall, and the first inner wall and the second inner wall form a convex surface or a concave surface; and the projection of the connection point of the first inner wall and the second inner wall towards the extension part is positioned between the first waterproof wall and the main body part.

Therefore, when water stain enters the first inner wall of the knob along the outer wall of the knob and flows to the connecting point of the first inner wall and the second inner wall, water flow can drop downwards at the connecting point, and therefore the water flow is prevented from continuing to flow towards the direction of the shell along the inner wall of the knob.

In the household appliance, optionally, the inner wall of the knob is provided with a second waterproof wall extending towards the extending part; the first bulkhead is positioned between the second bulkhead and the main body portion.

Therefore, after the water flow falls from the connecting point of the first inner wall and the second inner wall and enters the space formed between the main body part and the first waterproof wall below, the second waterproof wall can play a role in blocking the water flow, and the water flow is prevented from flowing towards the direction of the shell.

In the household appliance, optionally, the second waterproof wall is connected to the second inner wall; and the first waterproof wall and the second waterproof wall at least partially overlap in the axial direction of the knob. Like this when the knob lid is pressed the back and remove the in-process towards the knob, realize spacing towards the removal in the knob through the second bulkhead to the blockking of first bulkhead, avoid the knob lid to stretch into too much in the knob.

In the household appliance described above, optionally, the knob assembly further includes: along the flexible elastic component of knob subassembly axial, the one end of elastic component with the inner wall of knob lid links to each other, the other end of elastic component the knob links to each other, the knob lid passes through the elastic component is in scalable setting in the knob, in order to trigger controlling means.

In this way, the control device can be used to confirm the cooking process after it has been triggered. That is, the movement of the knob cover within the knob enables the triggering of the control means to enable confirmation during the cooking process.

In the household appliance, optionally, the knob cover is rotatably connected with the knob, and a mark is arranged on an outer end face of the knob cover. In the process of rotating the knob, the knob cover is fixed, so that the mark on the knob cover does not rotate, the mark is ensured to be at a fixed position, and a user can conveniently check the mark.

In the household appliance, optionally, a control panel is disposed on a side of the housing facing the knob assembly, the control panel has an annular groove, and at least a portion of the knob assembly is located in the annular groove.

In the household appliance, optionally, a mounting groove for accommodating the control panel is formed in the housing, and a sealing ring is arranged between the bottom wall of the mounting groove and the end surface of the control panel. The sealing washer can prevent that water stain from getting into the effect of casing from the assembly gap between casing and the control panel.

The structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

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

Fig. 1 is a schematic structural diagram of a household appliance according to an embodiment of the present invention;

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

FIG. 3 is an enlarged partial schematic view of the household appliance shown in FIG. 2;

FIG. 4 is another enlarged partial schematic view of the household appliance shown in FIG. 2;

fig. 5 is a schematic structural diagram of a household appliance according to an embodiment of the present invention;

fig. 6 is a partially enlarged schematic view of the household appliance shown in fig. 5;

fig. 7 is a schematic structural diagram of a household appliance according to an embodiment of the present invention;

fig. 8 is a partially enlarged schematic view of the household appliance shown in fig. 7;

fig. 9 is another partially enlarged schematic view of the household appliance shown in fig. 7.

Description of reference numerals:

100-household appliances;

10-a housing;

101-a control panel;

1011-annular groove;

102-a mounting groove;

103-sealing ring;

20-a control device;

201-control body;

202-axis of rotation;

30-a knob assembly;

301-a knob;

3011-a first inner wall;

3012-a second inner wall;

3013-a second bulkhead;

3014-big end;

3015-small end;

3016-a connection point;

3016 a-proxels;

3017-an outer peripheral wall;

302-knob cover;

3021-a main body portion;

3022-an extension;

3023-a first bulkhead;

3024-a connecting part;

3025-a receptacle;

303-gap;

40-an elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through an intermediary, a connection between two elements, or an interactive relationship between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Fig. 1 is a schematic structural diagram of a household appliance provided in an embodiment of the present invention. Fig. 2 is another schematic structural diagram of the household appliance according to the embodiment of the present invention. Fig. 3 is a partially enlarged schematic view of the household appliance shown in fig. 2. Fig. 4 is another partially enlarged schematic view of the household appliance shown in fig. 2. Fig. 5 is a schematic structural diagram of a household appliance according to an embodiment of the present invention. Fig. 6 is a partially enlarged schematic view of the household appliance shown in fig. 5. Fig. 7 is a schematic structural diagram of a household appliance according to an embodiment of the present invention. Fig. 8 is a partially enlarged schematic view of the household appliance shown in fig. 7. Fig. 9 is another partially enlarged schematic view of the household appliance shown in fig. 7.

The embodiment of the utility model provides a household appliance, generally be provided with the knob on the outside operating panel of present household appliance, the start-up and the stop of various functional module work of household appliance are through the rotation control of this knob, household appliance's the inside coding switch that is provided with of casing, set up the slotted hole that can supply the rotation axis to pass and be used for the recess of holding part knob on the operating panel, the rotation axis of coding switch directly passes the casing and is connected with the knob that is located the casing outside, consequently, can have the assembly gap between casing and knob, outside water stain can get into the inside of casing through this assembly gap, arouse the short circuit of household appliance inner circuit or explode quick-witted scheduling problem, thereby influence household appliance's normal use, reduce household appliance's life.

In order to solve the above technical problem, referring to fig. 1 to 9, an embodiment of the present invention provides a household appliance 100, where the household appliance 100 may be a kitchen appliance such as an electric ceramic oven, an electromagnetic oven, an electric rice cooker, an electric kettle, a health preserving pot, a pressure cooker, a cooking machine, a frying and baking machine, and an electric chafing dish, and the embodiment of the present invention is not limited to the specific type of the household appliance 100, and is not limited to the above example.

In the embodiment of the present invention, the household electrical appliance 100 is taken as an electric ceramic stove for illustration. As shown in fig. 1 and 2, the household appliance 100 may include a housing 10, a control device 20 disposed in the housing 10, and a knob assembly 30 disposed outside the housing 10 and engaged with the control device 20.

As shown in FIG. 3, a side of the housing 10 facing the knob assembly 30 is provided with a control panel 101, the control panel 101 has an annular groove 1011, and at least a portion of the knob assembly 30 is located in the annular groove 1011.

Referring to fig. 5 and 6, the knob assembly 30 may include a knob 301 engaged with the housing 10, and at least an upper surface of the outer circumferential wall 3017 of the knob 301 is an inclined surface that gradually inclines inward of the knob 301 from an end close to the housing 10 to an end far from the housing 10. Like this, after water stain drops to knob 1 along casing 10 on, because the at least upper surface of periphery wall 3017 of knob 301 inclines towards the one side of keeping away from casing 10, water stain can flow along the slope outer wall of knob 301 towards the direction of keeping away from casing 10, and can not get into the assembly gap between casing 10 and the knob 301, thereby avoided outside water stain to get into the inside of casing 10 through this assembly gap, and then avoided arousing domestic appliance 100 inner circuit's short circuit or explode quick-witted scheduling problem, domestic appliance 100's normal use has been guaranteed, domestic appliance 100's life has been prolonged.

In one possible implementation, as shown in fig. 6, the peripheral wall 3017 of the knob 301 may be tapered with a large end 3014 of the taper being close to the housing 10 and a small end 3015 of the taper being far from the housing 10. That is, the entire surface of the peripheral wall 3017 of the knob 301 may be an inclined surface. The outer peripheral wall 3017 of the knob 301 is an inclined surface, so that water stains can be further guaranteed to flow along the inclined outer wall of the knob 301 towards the direction far away from the shell 10 in the rotating process of the knob 301, and the water stains are prevented from entering an assembly gap between the shell 10 and the knob 301.

In the present embodiment, the knob assembly 30 further includes: the knob cover 302, when the knob assembly 30 is mounted on the housing 10, the knob cover 302 is located on an end surface of the knob 301 away from the housing 10, and a gap 303 is provided between the knob cover 302 and the knob 301, and a waterproof assembly (for example, a first waterproof wall 3023 or/and a second waterproof wall 3013 in fig. 8) may be provided between the knob 301 and the knob cover 302, and the waterproof assembly may function to prevent liquid entering from the gap 303 from entering into the housing 10. Like this, the rotation function and the function of pressing of knob subassembly 30 can be undertaken by knob 301 and knob lid 302 respectively, and when needs realized rotation function, can drive knob lid 302 through rotatory knob 301 and rotate, and then knob lid 302 can drive rotation axis 202 and rotate, when needs realized pressing the function, can drive rotation axis 202 through pressing knob lid 302 and move.

With continued reference to fig. 6, the knob cover 302 may include a main body portion 3021 and an extension portion 3022 connected to the main body portion 3021, wherein one end of the extension portion 3022 extends into the knob 301, and at least a portion of the main body portion 3021 is exposed outside the knob 301. Also, the extension portion 3022 may be provided with a first waterproof wall 3023 (see fig. 8 and 9) extending toward the inner wall of the knob 301.

It should be noted that the first waterproof wall 3023 may serve as a waterproof component between the knob 301 and the knob cover 302, and the first waterproof wall 3023 has a ring-shaped structure. Thus, after water stain enters the gap 303 between the knob 301 and the knob cover 302 along the outer wall of the knob 301, the first waterproof wall 3023 may block the water stain to prevent the water stain from entering the housing 10.

As an optional embodiment, the casing 10 may further have a mounting groove 102 for accommodating the control panel 101, and a sealing ring 103 is disposed between a bottom wall of the mounting groove 102 and an end surface of the control panel 101, wherein the sealing ring 103 may prevent water from entering the casing 10 from an assembly gap between the casing 10 and the control panel 101.

As shown in fig. 6, the knob cover 302 may have a connecting portion 3024 thereon, which is engaged with the rotating shaft 202, wherein the engaging manner between the connecting portion 3024 on the knob cover 302 and the rotating shaft 202 in the control device 20 includes, but is not limited to, the following two possible implementations:

further, the connection portion 3024 may have a socket 3025 for receiving one end of the rotation shaft 202, and one end of the connection portion 3024 extends toward the inside of the housing 10. In this way, the rotation shaft 202 may be inserted into the connection portion 3024 to achieve a fitting connection between the knob 30 and the control device 20.

Another possible implementation is: one end of the rotary shaft 202 is opened with a socket 3025 to be inserted into the connection portion 3024, so that the connection portion 3024 can be inserted into the rotary shaft 202 to achieve a fit connection between the knob 30 and the control device 20.

By inserting the rotary shaft 202 into the connecting portion 3024, or inserting the connecting portion 3024 into the rotary shaft 202, the knob 30 and the rotary shaft 202 on the control device 20 can be synchronously rotated, the assembly of the rotary shaft 202 and the connecting portion 3024 is simple and stable, and the synchronous movement is stable, reliable and labor-saving.

As an alternative embodiment, the cross-sectional profile of the insertion hole of the rotary shaft 202 or the insertion hole 3025 of the connection portion 3024 may be D-shaped, and the cross-sectional profile of the connection portion 3024 or the rotary shaft 202 is adapted to the cross-sectional profile of the insertion hole of the rotary shaft 202 or the insertion hole 3025 of the connection portion 3024, so that the insertion hole can circumferentially limit the connection portion 3024 or the rotary shaft 202. When the rotary shaft 202 is inserted into the jack 3025 of the connection portion 3024 or one end of the connection portion 3024 is inserted into the jack of the rotary shaft 202, the cross-sectional profile of the connection portion 3024 or the rotary shaft 202 is matched with the cross-sectional profile of the jack of the rotary shaft 202 or the jack 3025 of the connection portion 3024 to realize circumferential limit, the structure is simple, the assembly is convenient, and the effect of synchronous rotation is better.

In the present embodiment, as shown in fig. 7 to 9, when the knob assembly 30 is connected to the control device 20 in the housing 10, in order to prevent water stain from entering the inside of the housing 10 from the assembling gap between the control panel 101 and the knob 301, the inner wall of the knob 301 facing the knob cover 302 has a first inner wall 3011 and a second inner wall 3012 connected to the first inner wall 3011, and the first inner wall 3011 and the second inner wall 3012 form a convex surface or a concave surface.

For example, the first inner wall 3011 and the second inner wall 3012 may form a convex surface as shown in fig. 9, or the first inner wall 3011 and the second inner wall 3012 may form a concave surface (not shown in the figure).

As shown in fig. 9, a projection (i.e., a projection point 3016a) of a connection point 3016 of the first inner wall 3011 and the second inner wall 3012 toward the extension portion 3022 is located between the first waterproof wall 3023 and the main body portion 3021.

Thus, when water stain enters the first inner wall 3011 of the knob 301 along the outer wall of the knob 301 and flows to the connection point 3016 between the first inner wall 3011 and the second inner wall 3012, the connection point 3016 is a water cut-off point due to factors such as gravity, and water flow drops downward at the connection point 3016, so that the water flow is prevented from continuing to flow along the inner wall of the knob 301 toward the housing 10.

Referring to fig. 8, the inner wall of the knob 301 may have a second waterproof wall 3013 extending toward the extension portion 3022, and in this case, the waterproof assembly may include a first waterproof wall 3023 and a second waterproof wall 3013, that is, the first waterproof wall 3023 and the second waterproof wall 3013 serve as the waterproof assembly between the knob 301 and the knob cover 302. The first waterproof wall 3023 is located between the second waterproof wall 3013 and the main body 3021. Thus, when water drops from the connection point 3016 between the first inner wall 3011 and the second inner wall 3012 and enters the space formed between the lower main body 3021 and the first waterproof wall 3023, the second waterproof wall 3013 can block the water flow and prevent the water flow from flowing toward the housing 10.

In addition, in the present embodiment, the second waterproof wall 3013 may be connected to the second inner wall 3012, and the first waterproof wall 3023 and the second waterproof wall 3013 may at least partially overlap in the axial direction of the knob 301. Therefore, when the knob cover 302 is pressed and moves towards the inside of the knob 301, the movement of the knob cover 302 towards the inside of the knob 301 is limited by blocking the first waterproof wall 3023 by the second waterproof wall 3013, and the knob cover 302 is prevented from extending into the knob 301 too much.

In this embodiment, referring to fig. 4, the household appliance 100 may further include: and an elastic member 40 extending and contracting in the axial direction of the knob assembly 30, wherein one end of the elastic member 40 abuts against the inner wall of the knob cover 302, and the other end of the elastic member 40 is connected to the knob 301.

The knob cover 302 is telescopically arranged within the knob 301 by the elastic member 40, and the knob cover 302 moves towards the knob 301 and triggers the control device 20 when pressed. The control means 20 can be used to confirm the cooking process after being triggered. That is, in this embodiment, the movement of the knob cover 302 within the knob 301 effects the triggering of the control device 20 to effect confirmation of the cooking process.

The control device 20 includes a control body 201 and a rotation shaft 202 rotatably connected to the control body 201, wherein the rotation shaft 202 is inserted through the housing 10 and engaged with the knob assembly 30. The rotating shaft 202 is rotatably connected with the control body 201, and the rotating shaft 202 can move on the control body 201 towards the control body 201. When the knob cover 302 is pressed, the rotation shaft 202 can be triggered by the rotation shaft 202 when the knob cover 302 drives the rotation shaft 202 to move towards the control body 201, and when the pressing force on the knob cover 302 is removed, the elastic member 40 can drive the knob cover 302 and the rotation shaft 202 to move away from the housing 10, so that the knob cover 302 is reset to the position before pressing.

In addition, in the present embodiment, by providing the elastic member 40, the elastic member 40 may apply an elastic force to the knob cover 302 so that the knob cover 302 may be mounted in the knob 301.

Of course, in some other examples, when the knob cover 302 is separately disposed from the knob 301, and the knob cover 302 is rotatably connected between the knobs 301, that is, the knob cover 302 can rotate around the knob 301, so that when the knob 301 rotates, the knob cover 302 can remain stationary, that is, the knob cover 302 can not stretch or contract, and at the same time, the knob cover 302 can not rotate along with the knob of the knob 301, and the position of the knob cover 302 during the knob process of the knob 301 is fixed, so that a mark, such as "OK" or "OK", can be provided on the outer end surface of the knob cover 302. In the process of rotating the knob 301, the knob cover 302 is not moved, so that the mark on the knob cover 302 does not rotate, the mark is ensured to be at a fixed position, and a user can conveniently check the mark.

It should be noted that, when the knob cover 302 does not rotate along with the knob 301, the rotating shaft 202 is engaged with the knob 301, so that the rotating shaft 202 is driven to rotate when the knob 301 rotates.

In this embodiment, different materials, different colors, or different processes may be used between the knob cover 302 and the knob 301, and the knob cover 302 may have a decoration effect, so that the knob cover 302 and the knob 301 may be distinguished, and the knob assembly 30 composed of the knob cover 302 and the knob 301 has more design styles, so that the appearance of the knob assembly 30 is more beautiful.

The embodiment of the utility model provides a household appliance, include: the casing is equipped with the controlling means in the casing, the casing be equipped with outward with controlling means complex knob subassembly, the knob subassembly include with casing complex knob, and the at least upper surface of periphery wall of knob is the inclined plane, the inclined plane from the one end of being close to the casing to the one end of keeping away from the casing gradually to the knob leanin. Through the aforesaid setting, after water stain falls on the knob along the casing, because the one side slope of casing is kept away from to the at least upper surface orientation of periphery wall of knob, water stain can flow along the direction of the slope outer wall orientation of knob keeping away from the casing, and can not get into the assembly gap between casing and the knob, thereby avoided outside water stain the inside that gets into the casing through this assembly gap, and then avoided arousing the short circuit or the machine scheduling problem of exploding of domestic appliance inner circuit, domestic appliance's normal use has been guaranteed, domestic appliance's life has been prolonged.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (11)

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

the device comprises a shell (10), wherein a control device (20) is arranged in the shell (10), and a knob assembly (30) matched with the control device (20) is arranged outside the shell (10);

the knob assembly (30) comprises a knob (301) matched with the shell (10), at least the upper surface of the peripheral wall (3017) of the knob (301) is an inclined surface, and the inclined surface gradually inclines towards the inside of the knob (301) from one end close to the shell (10) to one end far away from the shell (10).

2. The household appliance according to claim 1, wherein the peripheral wall (3017) of the knob (301) is tapered, and a large end (3014) of the tapered surface is close to the housing (10) and a small end (3015) of the tapered surface is far from the housing (10).

3. The household appliance according to claim 1, wherein the knob assembly (30) further comprises: a knob cover (302), wherein when the knob assembly (30) is installed on the shell (10), the knob cover (302) is positioned on one end face of the knob (301) far away from the shell (10);

a gap (303) is formed between the knob cover (302) and the knob (301), and a waterproof assembly is arranged between the knob (301) and the knob cover (302) and used for preventing liquid entering from the gap (303) from entering the shell (10).

4. The household appliance according to claim 3, wherein the knob cover (302) comprises a main body part (3021) and an extension part (3022) connected with the main body part (3021), one end of the extension part (3022) extends into the knob (301), and at least part of the main body part (3021) is exposed outside the knob (301);

and a first waterproof wall (3023) extending towards the inner wall of the knob (301) is arranged on the extending part (3022).

5. The household appliance according to claim 4, wherein the inner wall of the knob (301) facing the knob cover (302) has a first inner wall (3011) and a second inner wall (3012) connected to the first inner wall (3011), and the first inner wall (3011) and the second inner wall (3012) form a convex surface or a concave surface;

and the projection of the connection point (3016) of the first inner wall (3011) and the second inner wall (3012) towards the extension part (3022) is positioned between the first waterproof wall (3023) and the main body part (3021).

6. The household appliance according to claim 5, wherein the knob (301) has on its inner wall a second watertight wall (3013) extending towards the extension (3022);

the first bulkhead (3023) is located between the second bulkhead (3013) and the main body portion (3021).

7. An electric household appliance as in claim 6, characterized in that the second watertight wall (3013) is associated with the second inner wall (3012);

and the first waterproof wall (3023) and the second waterproof wall (3013) at least partially overlap in an axial direction of the knob (301).

8. The household appliance according to any of claims 3 to 7, wherein the knob assembly (30) further comprises: along the flexible elastic component (40) of the axial of knob subassembly (30), the one end of elastic component (40) with the inner wall of knob lid (302) links to each other, the other end of elastic component (40) knob (301) link to each other, knob lid (302) through elastic component (40) is in the scalable setting in knob (301), in order to trigger controlling means (20).

9. The household appliance according to any of the claims 3 to 7, wherein the knob cover (302) is rotatably connected with the knob (301), and the outer end surface of the knob cover (302) is provided with a mark.

10. An electric household appliance as in any one of the above claims 1 to 7, characterized in that the housing (10) is provided with a control panel (101) on a side facing the knob assembly (30), the control panel (101) having an annular groove (1011), at least a portion of the knob assembly (30) being located in the annular groove (1011).

11. The household appliance according to claim 10, wherein a mounting groove (102) for accommodating the control panel (101) is formed in the housing (10), and a sealing ring (103) is disposed between a bottom wall of the mounting groove (102) and an end surface of the control panel (101).

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