CN209966105U

CN209966105U - Cooking utensil

Info

Publication number: CN209966105U
Application number: CN201920612895.2U
Authority: CN
Inventors: 吴飞; 蔡何意
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-21
Anticipated expiration: 2029-04-29

Abstract

The utility model provides a cooking utensil, include: the tool body is provided with an installation part; a control panel assembly disposed at the mounting part; the intermediate piece is clamped between the appliance body and the control board assembly, and a positioning structure is arranged between the intermediate piece and the appliance body. The technical scheme of this application has effectively solved the not good problem of fixing a position of panel decoration among the correlation technique.

Description

Cooking utensil

Technical Field

The utility model relates to a small household electrical appliances technical field particularly, relates to a cooking utensil.

Background

A cooking appliance generally includes an appliance body and an operation panel provided on the appliance body. Wherein, the operation panel of one part of the cooking utensil is arranged on the pot body, and the operation panel of the other part of the cooking utensil is arranged on the pot cover.

In the related art, for the structure in which the operation panel is disposed on the pot body, the panel decoration is assembled on the pot body by a snap. However, the panel garnish is not positioned well during assembly, which easily results in unstable assembly or low production efficiency.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a cooking appliance to solve the problem of poor positioning of panel decoration in the related art.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: the tool body is provided with an installation part; a control panel assembly disposed at the mounting part; the intermediate piece is clamped between the appliance body and the control board assembly, and a positioning structure is arranged between the intermediate piece and the appliance body.

Use the technical scheme of the utility model, assemble installation department with the middleware earlier, because be provided with location structure between middleware and the utensil body, location structure can cooperate and inject its position with the middleware for the middleware can not break away from the utensil body, and then is convenient for subsequent control panel assembly's assembly. Consequently, the problem of the good location of panel decoration has effectively been solved to the technical scheme of this application.

Further, the positioning structure comprises a first positioning piece arranged on the appliance body and a second positioning piece arranged on the intermediate piece, and the first positioning piece can limit the position of the second positioning piece. The positioning of the intermediate piece on the appliance body is realized through the matching between the first positioning piece and the second positioning piece.

Furthermore, one of the first positioning piece and the second positioning piece is a positioning column, and the other of the first positioning piece and the second positioning piece is a sleeve capable of being sleeved on the positioning column. The positioning column and the sleeve are convenient to process and high in matching stability.

Furthermore, cooking utensil still includes the fastener, is provided with the through-hole that corresponds with the reference column on the control panel subassembly, is provided with the screw on the reference column, and the fastener passes the through-hole and is connected with the screw in order to fix the control panel subassembly on the reference column. The above structure simplifies the structure between the control board assembly and the appliance body.

Further, the utensil body includes pot body main part and is located the base of pot body main part below, and the installation department includes the first installation department that is located pot body main part and the second installation department that is located the base. The first positioning member is disposed in the first mounting portion, so that the intermediate member is supported by the first positioning member. The intermediate member includes framework and the inserted sheet of setting in the framework bottom, and the inserted sheet is inserted and is established the inboard at the second installation department. The structure prevents a large fit clearance from occurring between the intermediate member and the base.

Furthermore, the positioning structures are multiple and are positioned at the upper part of the frame body. The structure has better positioning effect, and the middleware is not easy to separate from the appliance body.

Further, the control panel subassembly includes the lamp plate and is located the key frame in the outside of lamp plate, and partial key frame and partial middleware superpose the setting. The structure facilitates the key frame to be pressed on the middle piece.

Furthermore, a clamping structure is arranged between the control board assembly and the appliance body. The clamping structure is convenient for the control board component and the appliance body to be connected together.

Furthermore, the clamping structure comprises a clamping hook arranged on the control panel assembly and a bayonet arranged on the installation part, an avoiding notch is arranged on the intermediate piece, and the clamping hook penetrates through the avoiding notch to be matched with the bayonet so as to connect the control panel assembly with the appliance body. The structure facilitates the connection between the control board assembly and the appliance body.

Further, the control panel subassembly includes the lamp plate and is located the key frame in the outside of lamp plate, and the border department of key frame is formed with the crimping border, has first step face on the medial surface at crimping border, has the second step face on the middleware lateral surface, first step face and the cooperation of second step face butt. The first step surface presses the second step surface so that the control panel assembly tightly presses the intermediate member against the appliance body.

Furthermore, a convex rib is arranged on the edge of the intermediate piece, an annular groove matched with the convex rib is arranged on the mounting part, and the convex rib is inserted into the annular groove. The convex rib is fixed in the annular groove under the condition that the control panel assembly extrudes the intermediate piece, so that the intermediate piece is convenient to fix.

Furthermore, the cooking appliance is an electric pressure cooker, the positioning structure comprises a first positioning piece arranged on the appliance body and a second positioning piece arranged on the middle piece, and the first positioning piece can limit the position of the second positioning piece; one of the first positioning piece and the second positioning piece is a positioning column, and the other one is a sleeve which can be sleeved on the positioning column; the cooking utensil also comprises a fastening piece, a through hole corresponding to the positioning column is arranged on the control board assembly, a screw hole is arranged on the positioning column, and the fastening piece penetrates through the through hole and is connected with the screw hole so as to fix the control board assembly on the positioning column; the device body comprises a pot body and a base positioned below the pot body, the mounting part comprises a first mounting part positioned on the pot body and a second mounting part positioned on the base, the first positioning part is arranged in the first mounting part, the middle part comprises a frame body and an inserting piece arranged at the bottom of the frame body, and the inserting piece is inserted into the inner side of the second mounting part; the second positioning pieces are multiple and are positioned at the upper part of the frame body; the control panel assembly comprises a lamp panel and a key frame positioned on the outer side of the lamp panel, and part of the key frame and part of the middleware are arranged in an overlapping mode; a clamping structure is arranged between the control board assembly and the appliance body; the clamping structure comprises a clamping hook arranged on the control panel assembly and a clamping opening arranged on the mounting part, an avoiding notch is arranged on the intermediate piece, and the clamping hook penetrates through the avoiding notch to be matched with the clamping opening so as to connect the control panel assembly with the appliance body; the control panel assembly comprises a lamp panel and a key frame positioned on the outer side of the lamp panel, a compression joint edge is formed at the edge of the key frame, a first step surface is arranged on the inner side surface of the compression joint edge, a second step surface is arranged on the outer side surface of the intermediate piece, and the first step surface is in butt fit with the second step surface; the edge of the intermediate piece is provided with a convex rib, the installation part is provided with an annular groove matched with the convex rib, and the convex rib is inserted into the annular groove.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic cross-sectional view of an embodiment of a cooking appliance according to the present invention;

fig. 2 shows an enlarged schematic view at a of the cooking appliance of fig. 1;

fig. 3 shows an enlarged schematic view at B of the cooking appliance of fig. 1;

fig. 4 is an exploded view of the cooking appliance; and

fig. 5 shows a perspective view of an intermediate member of the cooking appliance of fig. 4.

Wherein the figures include the following reference numerals:

10. an appliance body; 11. an installation part; 111. a first mounting portion; 112. a second mounting portion; 12. a pan body; 13. an inner pot; 14. a base; 15. a bayonet; 20. a control board assembly; 21. a lamp panel; 22. a key frame; 221. crimping the edges; 222. a first step surface; 223. a through hole; 23. a hook; 30. a middleware; 31. a second step surface; 32. a rib is protruded; 34. a frame body; 35. inserting sheets; 36. avoiding the notch; 40. a positioning structure; 41. a positioning column; 42. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 3, the present embodiment provides a cooking appliance including: appliance body 10, control panel assembly 20 and intermediate piece 30. The fixture body 10 is provided with a mounting portion 11. The control board assembly 20 is provided at the mounting portion 11. The intermediate member 30 is sandwiched between the appliance body 10 and the control board assembly. A positioning structure 40 is provided between the intermediate member 30 and the appliance body 10.

By applying the technical scheme of the embodiment, the middle piece 30 is assembled on the mounting part 11, and the positioning structure 40 is arranged between the middle piece 30 and the appliance body 10, so that the positioning structure 40 can be matched with the middle piece 30 and limit the position of the middle piece 30, the middle piece 30 cannot be separated from the appliance body 10, and further, the subsequent assembly of the control board assembly is facilitated. Therefore, the technical scheme of this embodiment has effectively solved the not good problem of location of panel decoration.

As shown in fig. 2, 4 and 5, the positioning structure 40 includes a first positioning member provided on the appliance body 10 and a second positioning member provided on the intermediate member 30, the first positioning member being capable of defining a position of the second positioning member. Thus, the intermediate member 30 is assembled to the mounting portion 11, and the first positioning member and the second positioning member can be mutually limited, so that the intermediate member 30 can be supported on the first positioning member through the second positioning member.

As shown in fig. 2 and 5, the first positioning element is a positioning column 41, and the second positioning element is a sleeve 42 capable of being sleeved on the positioning column 41. In the present embodiment, the positioning column 41 is provided for easy processing and easy molding on the device body 10. The sleeve 42 is convenient to process and cooperate with the positioning column 41, and the cooperation stability is high.

In other embodiments not shown in the drawings, the second positioning element is a positioning column, and the first positioning element is a sleeve capable of being sleeved on the positioning column. In this way, the cooperation of the locating post and the sleeve can also serve to define the position of each other, facilitating the mounting of the support intermediate piece to the appliance body. Of course, the positioning structure may be the matching of the positioning block and the sleeve, the matching of the positioning protrusion and the positioning groove, or the matching between two positioning ribs. The positioning structure is not limited to the above-described structural form as long as it can function to define the positions of each other so that the intermediate member is supported on the appliance body.

As shown in fig. 2, the cooking utensil further includes a fastening member, a through hole 223 corresponding to the positioning column 41 is formed on the control panel assembly 20, a screw hole is formed on the positioning column 41, and the fastening member passes through the through hole 223 and is connected with the screw hole to fix the control panel assembly 20 on the positioning column 41. In this embodiment, on one hand, the positioning column 41 can cooperate with the sleeve 42 to perform a positioning function, and on the other hand, the positioning column 41 serves as a connecting member, so that a screw hole is conveniently formed on the positioning column 41, and the control panel assembly 20 is conveniently fixed on the positioning column 41. This reduces the number of connections between control panel assembly 20 and appliance body 10, simplifies the structure between control panel assembly 20 and appliance body 10, and improves the assembly efficiency of control panel assembly 20 with appliance body 10. Furthermore, the cooking utensil is simple in structure and convenient to position, so that assembly is simple, and production efficiency is improved. The fasteners of this embodiment are preferably screws.

In this embodiment, a reinforcing rib is disposed between the positioning column 41 and the mounting portion 11, and the reinforcing rib can increase the connection strength between the positioning column 41 and the mounting portion 11.

As shown in fig. 5, the number of the second positioning members is three, and the second positioning members are located at the upper portion of the frame 34. The three positioning structures 40 enable the frame 34 to be positioned at a certain position, have a good positioning effect, and make the intermediate piece 30 not easily separated from the appliance body 10. In other embodiments not shown in the figures, the number of positioning structures is not limited to three, and may be two or four or more.

As shown in fig. 4, in the present embodiment, the axes of the three positioning columns 41 are at the same horizontal position. The positioning posts 41 are thus regularly arranged for ease of forming on the mounting portion 11.

As shown in fig. 1, 3 and 4, the utensil body 10 includes a pan body 12 and a base 14 located below the pan body 12. The appliance body 10 further includes an inner pot 13 located within the pot body 12. The mounting part 11 includes a first mounting part 111 on the pan body 12 and a second mounting part 112 on the base 14. Because the pan body 12 and the base 14 are two upper and lower parts, and the corresponding mounting part 11 is divided into two parts, the mounting part 11 is large enough, so that the size of the control panel assembly 20 can be increased, and the operation by a user is convenient. The first positioning member is disposed in the first mounting portion 111, so that the first positioning member supports the intermediate member 30. The middle part 30 comprises a frame 34 and a plug-in piece 35 arranged at the bottom of the frame 34, and the plug-in piece 35 is inserted inside the second mounting part 112. Like this, pot body 12 and base 14 divide into upper and lower two parts, easily produce fit clearance between intermediate member 30 and the base 14, and insert piece 35 can tightly support the inboard at second installation department 112, prevents to take place relative not hard up between intermediate member 30 and the base 14, and then avoids producing great fit clearance between intermediate member 30 and the base 14.

As shown in fig. 5, a connecting plate is provided between the sleeve 42 and the frame 34, and the sleeve 42 is fixed to the inner side of the frame 34 by the connecting plate, so that the sleeve 42 is easily connected, and the sleeve 42 and the frame 34 can be reliably connected.

As shown in fig. 1 and 4, the control panel assembly 20 includes a lamp panel 21 and a key frame 22 located outside the lamp panel 21, and a part of the key frame 22 is disposed to overlap with a part of the middle member 30. Thus, the key frame 22 can be pressed against the intermediate member 30, so that the intermediate member 30 can be fixed to the fixture body 10. In the present embodiment, the middle member 30 and the key frame 22 are partially overlapped with each other, and partially misaligned with each other, the overlapped portion is a portion of the key frame 22 contacting with a portion of the middle member 30, and a portion of the middle member 30 extending beyond the key frame 22 in the circumferential direction is misaligned with each other. So that the intermediate member 30 can function as the decorative device body 10.

As shown in fig. 4, in this embodiment, the installation portion 11 is provided with a containing cavity, the lamp panel 21 is installed in the containing cavity, the positioning column 41 is located on the upper side of the lamp panel 21, and the corresponding sleeve 42 is distributed on the upper portion of the intermediate member 30. Therefore, the contact force of the insert 35 at the bottom of the frame 34 inserted inside the second mounting part 112 can be balanced, so that the intermediate member 30 can be smoothly positioned at the mounting part 11 through the sleeve 42, and the intermediate member 30 is prevented from being stressed unevenly at the sleeve 42. Of course, the mounting position of the positioning post is not limited to the above-described setting position as long as the intermediate member can be positioned flatly at the mounting portion.

As shown in fig. 4, in order to connect the control panel assembly 20 and the appliance body 10, a snap structure is provided between the control panel assembly 20 and the appliance body 10.

As shown in fig. 4 and 5, the locking structure includes a hook 23 disposed on the control panel assembly 20 and a bayonet 15 disposed on the mounting portion 11, and the intermediate member 30 is provided with an escape notch 36. The hook 23 passes through the escape notch 36 and is matched with the bayonet 15 so as to connect the control panel assembly 20 with the appliance body 10. In this embodiment, the hook 23 and the bayonet 15 cooperate to facilitate connection between the control panel assembly 20 and the appliance body 10.

As shown in fig. 2, in the present embodiment, the control panel assembly 20 includes a lamp panel 21 and a key frame 22 located outside the lamp panel 21, a press-contact edge 221 is formed at an edge of the key frame 22, a first step surface 222 is provided on an inner side surface of the press-contact edge 221, and a second step surface 31 is provided on an outer side surface of the middle piece 30. The first step surface 222 is in abutting engagement with the second step surface 31. The first step surface 222 presses the second step surface 31 so that the control plate assembly 20 tightly presses the intermediate member 30 against the appliance body 10.

As shown in fig. 2, in the present embodiment, a rib 32 is provided on an edge of the intermediate member 30, an annular groove matched with the rib 32 is provided on the mounting portion 11, and the rib 32 is inserted into the annular groove. In the case where the control panel assembly 20 is pressed against the intermediate member 30, the ribs 32 are fixed in the annular grooves, thereby facilitating the fixing of the intermediate member 30.

In the present embodiment, the lamp panel 21 is mounted at the mounting portion 11, the intermediate member 30 is mounted on the fixture body 10, and the key frame 22 is fixed to the fixture body 10 by screws.

In this application, the utensil body includes pot body main part 12 and sets up the pot cover on pot body main part 12, and installation department 11 sets up on pot body main part 12, and intermediate member 30 is the decoration, and the material of decoration is PP. PP materials are thermoplastic resins made by the polymerization of propylene. The PP material can effectively save the manufacturing cost of the decoration.

Specifically, during the assembly, three sleeves and three reference columns 41 mutually support, reach the purpose to the decoration location, the decoration passes through protruding muscle 32 and the utensil body 10 cooperation of lateral wall all around, and the key frame 22 assembles in the outside of decoration, fixes the decoration on the utensil body 10 through the crimping border 221 of key frame 22 round.

The cooking appliance of the embodiment is an electric pressure cooker, and of course, in other embodiments not shown, the cooking appliance may also be an electric cooker, a low-pressure rice cooker, a soybean milk maker, a food processor, an electric stewpan, or the like.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooking appliance, comprising:

the tool comprises a tool body (10), wherein a mounting part (11) is arranged on the tool body (10);

a control board assembly (20) provided at the mounting part (11);

the intermediate piece (30) is clamped between the appliance body (10) and the control board assembly (20), and a positioning structure (40) is arranged between the intermediate piece (30) and the appliance body (10).

2. The cooking appliance according to claim 1, wherein the positioning structure (40) comprises a first positioning member provided on the appliance body (10) and a second positioning member provided on the intermediate member (30), the first positioning member being able to define the position of the second positioning member.

3. The cooking appliance according to claim 2, wherein one of the first positioning member and the second positioning member is a positioning column (41), and the other one is a sleeve (42) capable of being sleeved on the positioning column (41).

4. The cooking appliance according to claim 3, further comprising a fastening member, wherein the control board assembly (20) is provided with a through hole (223) corresponding to the positioning column (41), the positioning column (41) is provided with a screw hole, and the fastening member passes through the through hole (223) and is connected with the screw hole to fix the control board assembly (20) on the positioning column (41).

5. The cooking utensil of claim 2, wherein the utensil body (10) comprises a pot body (12) and a base (14) located below the pot body (12), the mounting portion (11) comprises a first mounting portion (111) located on the pot body (12) and a second mounting portion (112) located on the base (14), the first positioning member is arranged in the first mounting portion (111), the intermediate member (30) comprises a frame body (34) and an insert (35) arranged at the bottom of the frame body (34), and the insert (35) is inserted in the inner side of the second mounting portion (112).

6. The cooking appliance according to claim 5, wherein the second positioning member is plural and is located at an upper portion of the frame (34).

7. The cooking appliance according to claim 1, wherein the control panel assembly (20) comprises a lamp panel (21) and a key frame (22) located outside the lamp panel (21), wherein part of the key frame (22) is arranged to overlap part of the middle piece (30).

8. The cooking appliance according to claim 1, wherein a snap-fit arrangement is provided between the control plate assembly (20) and the appliance body (10).

9. The cooking appliance according to claim 8, wherein the clamping structure comprises a clamping hook (23) arranged on the control board assembly (20) and a bayonet (15) arranged on the mounting part (11), an avoiding notch (36) is arranged on the intermediate part (30), and the clamping hook (23) penetrates through the avoiding notch (36) to be matched with the bayonet (15) so as to connect the control board assembly (20) with the appliance body (10).

10. The cooking appliance according to claim 1, wherein the control board assembly (20) comprises a lamp panel (21) and a key frame (22) located outside the lamp panel (21), a crimping edge (221) is formed at an edge of the key frame (22), a first step surface (222) is arranged on an inner side surface of the crimping edge (221), a second step surface (31) is arranged on an outer side surface of the middle piece (30), and the first step surface (222) is in butt fit with the second step surface (31).

11. The cooking appliance according to claim 1, wherein a rib (32) is provided on an edge of the intermediate member (30), and an annular groove which is matched with the rib (32) is provided on the mounting portion (11), and the rib (32) is inserted into the annular groove.

12. The cooking appliance according to claim 1, wherein the cooking appliance is an electric pressure cooker, and the positioning structure (40) comprises a first positioning member provided on the appliance body (10) and a second positioning member provided on the intermediate member (30), the first positioning member being capable of defining the position of the second positioning member; one of the first positioning piece and the second positioning piece is a positioning column (41), and the other one is a sleeve (42) capable of being sleeved on the positioning column (41); the cooking utensil further comprises a fastening piece, a through hole (223) corresponding to the positioning column (41) is formed in the control board assembly (20), a screw hole is formed in the positioning column (41), and the fastening piece penetrates through the through hole (223) and is connected with the screw hole so as to fix the control board assembly (20) on the positioning column (41); the utensil body (10) comprises a pot body (12) and a base (14) located below the pot body (12), the mounting part (11) comprises a first mounting part (111) located on the pot body (12) and a second mounting part (112) located on the base (14), the first positioning part is arranged in the first mounting part (111), the intermediate part (30) comprises a frame body (34) and an inserting piece (35) arranged at the bottom of the frame body (34), and the inserting piece (35) is inserted into the inner side of the second mounting part (112); the second positioning pieces are multiple and are positioned at the upper part of the frame body (34); the control panel assembly (20) comprises a lamp panel (21) and a key frame (22) located on the outer side of the lamp panel (21), and part of the key frame (22) and part of the middleware (30) are arranged in an overlapping mode; a clamping structure is arranged between the control board assembly (20) and the appliance body (10); the clamping structure comprises a clamping hook (23) arranged on the control panel assembly (20) and a bayonet (15) arranged on the mounting part (11), an avoiding notch (36) is arranged on the middle piece (30), and the clamping hook (23) penetrates through the avoiding notch (36) to be matched with the bayonet (15) so that the control panel assembly (20) is connected with the appliance body (10); the control panel assembly (20) comprises a lamp panel (21) and a key frame (22) located on the outer side of the lamp panel (21), a crimping edge (221) is formed at the edge of the key frame (22), a first step surface (222) is arranged on the inner side surface of the crimping edge (221), a second step surface (31) is arranged on the outer side surface of the intermediate piece (30), and the first step surface (222) is in butt fit with the second step surface (31); be provided with protruding muscle (32) on the border of middleware (30), be provided with on installation department (11) with protruding muscle (32) complex annular groove, protruding muscle (32) insert extremely in the annular groove.