CN217090315U

CN217090315U - Cooking equipment

Info

Publication number: CN217090315U
Application number: CN202220121002.6U
Authority: CN
Inventors: 邓锡闯; 李丰; 陈堪鑫
Original assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Electric Manufacturing Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Electric Manufacturing Co Ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-02
Anticipated expiration: 2032-01-17

Abstract

The utility model provides a cooking equipment, includes the door body and sets up the knob device on the door body, and the knob device includes knob shell and at least part sets up the display screen in the knob shell, and the knob shell rotates relative display screen under the exogenic action. The utility model discloses with a knob device of display screen and knob shell combination, the space that makes control panel occupy is few for the product has more adjustment spaces in appearance, can satisfy the multiple design demand of product in a flexible way, and then the design of suitable in some special cooking electrical apparatus outward appearance. Be equipped with accommodation space in the knob shell, the knob device still includes digital screen, encoder subassembly, and display screen, digital screen, encoder subassembly all are located accommodation space, the inside space of make full use of knob shell, and the part is connected compactly each other, reduces the thickness of whole knob device, is favorable to the slimming of knob device and whole cooking equipment.

Description

Cooking equipment

Technical Field

The utility model relates to a household appliance specifically is a cooking equipment.

Background

Traditional cooking device, like microwave oven, steam ager etc. generally includes control panel, is equipped with knob, button and display screen on the control panel, selects function or culinary art time and shows on the display screen through rotatory knob, on the one hand because knob and display screen are separately independent setting for the space that control panel occupy is great, is not very applicable to the design of some special cooking device outward appearances.

On the other hand, the conventional knob is large in overall thickness and is not beneficial to thinning of the knob. In addition, the waterproof effect of knob is relatively poor, and water flows easily on the PCB board (circuit board), leads to the PCB board to receive damp damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cooking equipment, with display screen and knob shell combination into a knob device, the space that makes control panel occupy is few for the product has more adjustment spaces in appearance, can satisfy the multiple design demand of product in a flexible way, and then is suitable for the design at some special cooking electrical apparatus outward appearance, in order to overcome the weak point among the prior art.

The knob device comprises a knob shell and a display screen at least partially arranged in the knob shell, and the knob shell rotates relative to the display screen under the action of external force. The display screen and the knob shell are combined into the knob device, so that the occupied space of the control panel is small, more adjusting spaces are reserved on the appearance of the product, various design requirements of the product can be flexibly met, and the knob device is suitable for the design of the appearance of some special cooking appliances.

Cooking equipment still includes and is equipped with accommodation space with the articulated box of door body in the knob shell, and the knob device is still including being located the encoder subassembly of accommodation space, and the encoder subassembly includes the circuit board, connects the regulation part in circuit board towards box one side, and regulation part and knob shell projection in vertical direction have at least partial the overlapping. The adjusting part is connected on one side of the circuit board facing the box body, and the adjusting part and the projection of the knob shell in the vertical direction are at least partially overlapped, so that the space inside the knob shell can be fully utilized, the thickness of the whole knob device is reduced, and the thinning of the knob device and the whole cooking equipment is facilitated.

The knob shell comprises a knob shell bottom wall; the knob device also comprises a door handle fixed on the door body, a movable gap is arranged between the bottom wall of the knob shell and the door handle, the bottom wall of the knob shell is provided with a flow guide wall extending towards the rear side of the knob shell, and a liquid discharge path for discharging liquid out of the knob device is formed among the bottom wall of the knob shell, the flow guide wall and the door handle; the water conservancy diversion wall is located knob shell diapire and is close to one side of the door body, and the circuit board is located knob shell diapire the place ahead and keeps away from the door body to make circuit board and liquid discharge route be the spaced apart setting in the knob device.

The door handle and the knob shell are arranged on the same component, so that a separate door handle is not required to be arranged, parts and installation procedures are saved, the production efficiency is improved, and the door body is more concise and attractive when being opened; in addition, in order to facilitate the rotation of knob shell, be equipped with the clearance between knob shell and the door handle, when liquid in the food or the water droplet on the user hand when dripping the clearance carelessly, the water droplet can be along knob shell bottom wall face and outside the water conservancy diversion wall outflow whirl device, and because the circuit board is located the front side of knob shell diapire, the flow path of water droplet is located the rear side of knob shell diapire, and the water droplet can not flow on the circuit board, can effectually prevent that the circuit board from weing and damaging.

The door handle comprises a door handle bottom wall and a door handle side wall extending towards the front of the door handle bottom wall, and the projections of the door handle side wall and the adjusting part in the vertical direction are at least partially overlapped, so that the whole thickness of the knob device can be reduced to a certain extent.

The diversion wall part is positioned in the movable gap or the liquid discharge path, one end of the diversion wall is contacted with the bottom wall of the door handle, or a gap is arranged between the diversion wall and the bottom wall of the door handle. Because the flow guide wall is approximately contacted with the door handle, most of liquid dropping into the movable gap flows onto the flow guide wall and flows downwards along the arc-shaped surface of the flow guide wall, the water guide effect of the flow guide wall is improved, and water drops in the movable gap are prevented from flowing everywhere.

The door handle also comprises a holding part protruding out of the top of the door body, so that a user can conveniently pull the door handle to open the door body.

The knob device further comprises a digital screen, the display screen, the digital screen, the circuit board and the adjusting portion are sequentially connected, and the display screen, the digital screen, the circuit board and the adjusting portion which are fixedly connected together are all located in the accommodating space of the knob shell. The display screen, the digital screen, the circuit board and the adjusting part are all located in the accommodating space of the knob shell, the space inside the knob shell is fully utilized, the components are connected compactly, the thickness of the whole knob device is reduced, and the thinning of the knob device and the whole cooking equipment is facilitated.

Be equipped with knob shell opening on the knob shell diapire, knob shell diapire rear end face is equipped with the draw-in groove, the terminal surface is equipped with the spacing groove before the knob shell diapire, the knob device still includes the fixed plate, its border is spacing in the draw-in groove in the fixed plate assembling process, adjusting part inserts in the knob shell opening with fixed plate fixed connection, knob shell diapire presss from both sides and establishes between regulation portion and fixed plate, and the regulation portion border is spacing in the spacing groove, be equipped with the angle modulation structure of regulation knob shell rotation angle between knob shell opening and the regulation portion. In the rotation process of the knob shell, the opening of the knob shell and the limiting groove respectively form relative rotation with the adjusting part, and the fixing plate and the clamping groove form relative rotation.

The fixing plate is inserted into the clamping groove of the knob shell in a clamping mode, the fixing plate can limit the knob shell in the vertical and horizontal directions, and the adjusting part and the fixing plate can limit the knob shell in the front-back direction; the adjusting part is partially inserted into the opening of the knob shell, and the whole thickness of the knob device can be reduced to a certain extent.

The angle adjusting structure comprises a plurality of concave-convex surfaces which are arranged on the inner wall surface of an opening of the knob shell and are in a circumferential array, a flange which is inserted into the opening of the knob shell is arranged on the adjusting structure, the angle adjusting structure of the rotating angle further comprises marbles which are arranged on the flange, and the marbles are in contact with the concave-convex surfaces in the rotating process of the knob shell.

The fixed plate is positioned between the door handle and the knob shell, and the door handle is fixedly connected with the fixed plate so that the knob shell is rotatably arranged on the door handle; the door handle is fixed on the front side of the door body through a fastener, or the door handle and the door body are integrally formed.

The utility model has the advantages of as follows:

the display screen and the knob shell are combined into the knob device, so that the occupied space of the control panel is small, more adjusting spaces are reserved on the appearance of the product, various design requirements of the product can be flexibly met, and the knob device is suitable for the design of the appearance of some special cooking appliances.

Display screen, digital screen, encoder subassembly all are located accommodation space, the inside space of make full use of knob shell, and the part is connected compactly each other, reduces the thickness of whole knob device, are favorable to the slimming of knob device and whole cooking equipment.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a cooking device according to an embodiment of the present invention.

Fig. 2 is a schematic view of an assembly and disassembly structure of the knob device according to an embodiment of the present invention.

Fig. 3 is another schematic view of an assembly and disassembly structure of a knob device according to an embodiment of the present invention.

Fig. 4 is a schematic view illustrating an assembled and disassembled structure of the knob device and the door body according to an embodiment of the present invention.

Fig. 5 is a schematic view of another orientation of an assembly and disassembly structure of the knob device and the door body according to an embodiment of the present invention.

Fig. 6 is an assembly and disassembly schematic view of the display screen, the digital screen, the circuit board, and the adjusting portion according to an embodiment of the present invention.

Fig. 7 is another schematic view of an assembly and disassembly structure of an adjusting portion, a knob housing, a fixing plate, and a door handle according to an embodiment of the present invention.

Fig. 8 is a schematic view of an assembly cross-sectional structure of the knob device and the door body according to an embodiment of the present invention.

Fig. 9 is an enlarged view of fig. 8 at a.

Fig. 10 is a schematic view of a three-dimensional cross-sectional structure of a knob device assembled with a door body according to an embodiment of the present invention.

Fig. 11 is an enlarged view of fig. 10 at B.

Fig. 12 is a schematic view of an assembled and disassembled three-dimensional cross-sectional structure of a knob device according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-12, the door comprises a door body 1 and a knob device 2 arranged on the door body 1, wherein the knob device 2 comprises a knob housing 3 and a display screen 4 at least partially arranged in the knob housing 3, and the knob housing 3 rotates relative to the display screen 4 under the action of external force. The display screen 4 and the knob shell 3 are combined into the knob device 2, the occupied space of the control panel of the cooking equipment is small, more adjusting spaces are formed in the appearance of a product, and various design requirements of the product can be flexibly met.

Referring to fig. 9 and 11, the cooking apparatus further includes a box body 5 hinged to the door body 1, an accommodating space 3.1 is provided in the knob housing 3, the knob device 2 further includes an encoder assembly 6 located in the accommodating space 3.1, the encoder assembly 6 includes a circuit board 7 and an adjusting portion 8 connected to one side of the circuit board 7 facing the box body 5, and at least a portion of projections of the adjusting portion 8 and the knob housing 3 in the vertical direction overlap each other.

The adjusting part 8 is connected to one side of the circuit board 7 facing the box body 5, and the projections of the adjusting part 8 and the knob shell 3 in the vertical direction are at least partially overlapped, so that the space inside the knob shell 3 can be fully utilized, the thickness of the whole knob device 2 is reduced, and the thinning of the knob device 2 and the whole cooking equipment is facilitated (the whole thickness of the product is specifically reduced).

Referring to fig. 2 and 3, the knob housing 3 includes a knob housing bottom wall 3.2 and a knob housing side wall 3.3 extending from the knob housing bottom wall 3.2 in the front-rear direction and enclosing a receiving space 3.1.

The knob device 2 further comprises a door handle 9 fixed on the door body 1, and a rotating fit structure is arranged between the knob shell 3 and the door handle 9, so that the knob shell 3 is rotatably arranged on the front side of the door handle 9 through the rotating fit structure; a movable gap 10 is arranged between the bottom wall 3.2 of the knob shell and the door handle 9, the bottom wall 3.2 of the knob shell is provided with a flow guide wall 3.4 extending towards the rear side of the knob shell, and a liquid discharge path for discharging liquid out of the knob device 2 is formed among the bottom wall 3.2 of the knob shell, the flow guide wall 3.4 and the door handle 9; the flow guide wall 3.4 is located on one side of the bottom wall 3.2 of the knob shell close to the door body 1, and the circuit board 7 is located in front of the bottom wall 3.2 of the knob shell and far away from the door body 1, so that the circuit board 7 and the liquid discharge path are arranged in the knob device 2 in a spaced manner.

The door handle 9 and the knob shell 3 are arranged on the same knob device 2, and the door body 1 of the cooking equipment does not need to be provided with a separate door handle, so that parts and installation procedures are saved, the production efficiency is improved, and the door body 1 is more concise and attractive in vision of a user; in addition, in order to facilitate the rotation of the knob housing 3, a movable gap 10 is provided between the knob housing bottom wall 3.2 and the door handle 9, when liquid in food or water drops on the hand of a user accidentally drop into the movable gap 10, the water drops flow out of the knob device 2 through the movable gap 10 along the wall surface of the knob housing bottom wall 3.2 and the flow guide wall 3.4, and because the circuit board 7 is located at the front side of the knob housing bottom wall 3.2, the liquid discharge path (flow path of the water drops) is located at the rear side of the knob housing bottom wall 3.2, the circuit board 7 and the liquid discharge path (flow path of the water drops) are arranged in the knob device 2 in a spaced manner, the water drops cannot flow onto the circuit board 7, and the circuit board 7 can be effectively prevented from being damaged by damp.

The door handle 9 comprises a door handle bottom wall 9.1 and a door handle side wall 9.2 extending to the front of the door handle bottom wall 9.1, and the projections of the door handle side wall 9.2 and the adjusting part 8 in the vertical direction are at least partially overlapped, so that the whole thickness of the knob device 2 can be reduced to a certain extent.

The diversion wall 3.4 is partially positioned in the movable gap 10 or the liquid discharge path, one end of the diversion wall 3.4 is contacted with the bottom wall 9.1 of the door handle, or a gap is arranged between the diversion wall 3.4 and the bottom wall 9.1 of the door handle.

Because one end of the flow guide wall 3.4 is approximately contacted with the bottom wall 9.1 of the door handle, most of liquid dropping into the movable gap 10 flows onto the flow guide wall 3.4 and flows downwards along the arc-shaped surface of the flow guide wall 3.4, the water guide effect of the flow guide wall 3.4 is improved, and water drops in the movable gap 10 are prevented from flowing around.

In the present exemplary embodiment, the flow-guiding wall 3.4 is annular on the bottom wall 3.2 of the knob housing.

The door handle 9 also includes a grip portion 9.3 projecting out of the top of the door body 1. When opening the door 1, the user only has to toggle the grip 9.3.

The knob device 2 further comprises a digital screen 11, the display screen 4, the digital screen 11, the circuit board 7 and the adjusting portion 8 are sequentially connected, and the display screen 4, the digital screen 11, the circuit board 7 and the adjusting portion 8 which are fixedly connected together are all located in the accommodating space 3.1 of the knob shell 3.

Referring to fig. 6, the display screen 4 is connected with the digital screen 11 by a buckle, a first positioning post 11.1 and a first screw bolt 11.2 are arranged on one side of the digital screen 11 facing the circuit board 7, the circuit board 7 is provided with a first positioning hole 7.1 corresponding to the first positioning post 11.1, the circuit board 7 is provided with a first screw hole 7.2 corresponding to the first screw bolt 11.2, after the first screw bolt 11.2 of the digital screen 11 passes through the circuit board 7 and is inserted into the first screw hole 7.2, the first screw bolt 11.2 is connected with a screw of the adjusting part 8, in this embodiment, the adjusting part 8 is provided with a second screw hole 8.3 for inserting the screw, and the second screw hole 8.3 is arranged corresponding to the first screw hole 7.2; the circuit board 7 is clamped between the adjusting part 8 and the digital screen 11, and the display screen 4, the digital screen 11, the circuit board 7 and the adjusting part 8 which are fixedly connected together are all positioned in the accommodating space 3.1 of the knob shell 3.

Referring to fig. 5, in the embodiment, a plurality of hooks 4.1 are uniformly distributed around the display screen 4, each hook 4.1 is provided with a fastening hole, and a plurality of fasteners 11.3 are arranged on the digital screen 11 corresponding to the plurality of hooks 4.1. The display screen 4 is assembled with the digital screen 11, and the buckle 11.3 is buckled with the buckle hole of the hook 4.1.

A circular knob shell opening 3.5 is formed in the bottom wall 3.2 of the knob shell, a first wall 3.6 extending towards the box body 5 is arranged on the periphery of the knob shell opening 3.5, the first wall 3.6 is circular, a circular guide wall 3.4 is positioned on the periphery of the first wall 3.6, the guide wall 3.4 and the first wall 3.6 are concentrically arranged (the diameter of the guide wall 3.4 is larger than that of the first wall 3.6), and a clamping groove 3.7 is formed between the guide wall 3.4 and the first wall 3.6; the knob device 2 further comprises a fixing plate 12, and during assembly of the fixing plate 12, the edge of the fixing plate 12 is clamped in the clamping groove 3.7 of the knob housing 3.

In this embodiment, the opening 3.5 of the knob housing is provided with a second wall 3.10 which has an opposite extending direction to the first wall 3.6, the second wall 3.10 is annular, one side of the second wall 3.10 is provided with an annular step surface 3.12, the adjusting portion 8 is provided with a convex ring (edge of the adjusting portion 8) corresponding to the annular step surface 3.12, the edge of the adjusting portion 8 abuts against the annular step surface 3.12 in the assembling process, the second wall 3.10 and the annular step surface 3.12 form a limiting groove 3.11, the edge of the adjusting portion 8 is limited in the limiting groove 3.11 in the assembling process, the second wall 3.10 covers the convex ring, and the diameter of the second wall 3.10 is larger than that of the convex ring.

Regulating part 8 is equipped with 8.1 towards the flange that box 5 extends, and 8.1 of regulating part 8 have at least partly to be located knob shell opening 3.5, through screw fixed connection between regulating part 8 and the fixed plate 12, in this embodiment, still be equipped with third screw 8.2 on the regulating part 8, and fixed plate 12 corresponds third screw 8.2 and is equipped with fourth screw 12.1, and the screw alternates fourth screw 12.1, third screw 8.2. The bottom wall 3.2 of the knob shell is clamped between the adjusting part 8 and the fixing plate 12, and the adjusting part 8 and the fixing plate 12 limit the bottom wall 3.2 of the knob shell. Be equipped with marble 8.4 on the flange 8.1, the concave-convex face 3.8 that knob shell opening 3.5 inner wall was equipped with a plurality of circumference array, marble 8.4 and concave-convex face 3.8 cooperation for adjust and fixed knob shell 3's rotation angle.

The edge of the fixing plate 12 is clamped and inserted into the clamping groove 3.7 of the knob shell 3, the fixing plate 12 can limit the knob shell 3 in the vertical and horizontal directions, and the adjusting part 8 and the fixing plate 12 can limit the knob shell 3 in the front and back directions; the rib 8.1 penetrates through the knob housing opening 3.5, which also reduces the overall thickness of the knob device 2 to a certain extent.

Referring to fig. 7, in the rotation of the knob housing 3, the slot 3.7 rotates along the edge of the fixing plate 12, and a rotation matching structure is arranged between the knob housing 3 and the door handle 9 formed by the slot 3.7 and the edge of the fixing plate 12.

The fixing plate 12 is located between the door handle 9 and the knob housing 3, one side of the fixing plate 12 facing the door body 1 or the cabinet 5 is provided with a second positioning column 12.2 and a second stud 12.3, the door handle 9 is provided with a second positioning hole 9.4 corresponding to the second positioning column 12.2, the door handle 9 is provided with a fifth screw hole 9.5 corresponding to the second stud 12.3, and the fixing plate 12 is fixedly connected with the door handle 9 through a screw.

In this embodiment, the fixing plate 12 is assembled with the door handle 9, the second positioning column 12.2 is inserted into the second positioning hole 9.4, the second stud 12.3 is inserted into the fifth screw hole 9.5, and the screw is inserted into the fifth screw hole 9.5 and the second stud 12.3.

The door handle 9 is integrally formed with the door body 1, or the door handles, 9 are fixed on the front side of the door body 1 through fasteners.

In this embodiment, the door handle 9 is provided with a third stud 9.6 on a side facing the door body 1 or the cabinet 5, a sixth screw hole 1.1 is provided on the front side of the door body 1 corresponding to the third stud 9.6, the door handle 9 is fixed on the front side of the door body 1, the third stud 9.6 is inserted into the sixth screw hole 1.1, and the screw is inserted into the sixth screw hole 1.1 and the third stud 9.6.

Referring to fig. 7, the circuit board 7 is provided with an electric wire 7.3, the adjusting portion 8 is provided with a first wire passing hole 8.5, the fixing plate 12 is provided with a second wire passing hole 12.4, the door handle 9 is provided with a third wire passing hole 9.7, and the electric wire 7.3 passes through the first wire passing hole 8.5, the knob housing opening 3.5, the second wire passing hole 12.4 and the third wire passing hole 9.7.

Referring to fig. 12, in the present embodiment, a photo interrupter 13 is provided on the circuit board 7, and the photo interrupter 13 includes a light emitting element and a light receiving element packaged on the same photo interrupter housing. The photoelectric interrupter casing is equipped with slot 13.1 corresponding to the position between light-emitting component and the light-receiving component, and knob shell diapire 3.2 is equipped with slot 13.1 correspondingly and is equipped with the shielding portion 3.9 that a plurality of is the interval and sets up, and shielding portion 3.9 rotates along with knob shell 3 and imbeds in slot 13.1 to shelter from light-emitting component's transmission signal.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cooking equipment, includes door body (1) and knob device (2) of setting on door body (1), its characterized in that: the knob device (2) comprises a knob shell (3) and a display screen (4) at least partially arranged in the knob shell (3), and the knob shell (3) rotates relative to the display screen (4) under the action of external force.

2. The cooking apparatus of claim 1, wherein: still include with door body (1) articulated box (5), be equipped with accommodation space (3.1) in knob shell (3), knob device (2) still including being located encoder subassembly (6) in accommodation space (3.1), encoder subassembly (6) include circuit board (7), connect circuit board (7) towards regulating part (8) of box (5) one side, just regulating part (8) with knob shell (3) projection in vertical direction has at least partial overlapping.

3. The cooking apparatus of claim 2, wherein: the knob housing (3) comprises a knob housing bottom wall (3.2); the knob device (2) further comprises a door handle (9) fixed on the door body (1), a movable gap (10) is arranged between the knob shell bottom wall (3.2) and the door handle (9), the knob shell bottom wall (3.2) is provided with a flow guide wall (3.4) extending towards the rear side of the knob shell bottom wall, and a liquid discharge path for discharging liquid out of the knob device (2) is formed among the knob shell bottom wall (3.2), the flow guide wall (3.4) and the door handle (9); the flow guide wall (3.4) is located on one side, close to the door body (1), of the bottom wall (3.2) of the knob shell, and the circuit board (7) is located in front of the bottom wall (3.2) of the knob shell and far away from the door body (1) so that the circuit board (7) and a liquid discharge path are arranged in the knob device (2) in an interval mode.

4. The cooking apparatus of claim 3, wherein: the door handle (9) comprises a door handle bottom wall (9.1) and a door handle side wall (9.2) extending towards the front of the door handle bottom wall (9.1), and the projection of the door handle side wall (9.2) and the adjusting part (8) in the vertical direction at least partially overlaps.

5. The cooking apparatus according to claim 4, wherein: the flow guide wall (3.4) is located at least partially in the movement gap (10) or in the liquid discharge path, one end of the flow guide wall (3.4) being in contact with the door handle bottom wall (9.1), or a gap being provided between the flow guide wall (3.4) and the door handle bottom wall (9.1).

6. The cooking apparatus of claim 5, wherein: the door handle (9) also comprises a holding part (9.3) protruding out of the top of the door body (1).

7. The cooking apparatus of claim 6, wherein: knob device (2) still include digital screen (11), display screen (4) digital screen (11) circuit board (7) with regulating part (8) link to each other in proper order, just display screen (4) digital screen (11) circuit board (7) with regulating part (8) all are located knob shell (3) in accommodation space (3.1).

8. The cooking apparatus of claim 7, wherein: a knob shell opening (3.5) is arranged on the bottom wall (3.2) of the knob shell, a clamping groove (3.7) is arranged on the rear end face of the bottom wall (3.2) of the knob shell, the front end face of the bottom wall (3.2) of the knob shell is provided with a limit groove (3.11), the knob device (2) also comprises a fixing plate (12), the edge of the fixing plate (12) is limited in the clamping groove (3.7) in the assembling process, the adjusting part (8) is partially inserted into the opening (3.5) of the knob shell and is fixedly connected with the fixing plate (12), the bottom wall (3.2) of the knob shell is clamped between the adjusting part (8) and the fixing plate (12), and the edge of the adjusting part (8) is limited in the limiting groove (3.11), and an angle adjusting structure for adjusting the rotating angle of the knob shell (3) is arranged between the knob shell opening (3.5) and the adjusting part (8).

9. The cooking apparatus of claim 8, wherein: the angle adjusting structure comprises a plurality of concave-convex surfaces (3.8) which are arranged on the inner wall surface of the opening (3.5) of the knob shell and are in a circumferential array, a flange (8.1) which is inserted into the opening (3.5) of the knob shell is arranged on the adjusting part (8), the angle adjusting structure further comprises marbles (8.4) which are arranged on the flange (8.1), and the marbles (8.4) are in contact with the concave-convex surfaces (3.8) in the rotating process of the knob shell (3).

10. The cooking apparatus of claim 9, wherein: the fixing plate (12) is positioned between the door handle (9) and the knob shell (3), and the door handle (9) is fixedly connected with the fixing plate (12) so that the knob shell (3) is rotatably arranged on the door handle (9); the door handle (9) is fixed on the front side of the door body (1) through a fastener, or the door handle (9) and the door body (1) are integrally formed.