CN107661026B

CN107661026B - Frying and baking machine

Info

Publication number: CN107661026B
Application number: CN201710429051.XA
Authority: CN
Inventors: 杨建刚; 朱晓慧
Original assignee: SEB SA
Current assignee: SEB SA
Priority date: 2017-06-08
Filing date: 2017-06-08
Publication date: 2020-06-16
Anticipated expiration: 2037-06-08
Also published as: CN107661026A

Abstract

The invention provides a frying and baking machine, comprising: a housing assembly; the baking tray is arranged in the shell component in a lifting manner; the lifting mechanism is arranged between the shell component and the baking tray; the operating mechanism comprises a knob and a tooth-shaped transmission assembly, and the knob controls the lifting mechanism to lift through the tooth-shaped transmission assembly. The technical scheme of the invention effectively solves the problem that the height of the baking tray of the frying and baking machine is inconvenient to adjust in the prior art.

Description

Frying and baking machine

Technical Field

The invention relates to the technical field of electrical equipment for kitchens, in particular to a frying and baking machine.

Background

In order to adapt the frying and baking machine to food materials with different thicknesses, the height position of the baking tray of the frying and baking machine needs to be adjustable. In the prior art, in order to achieve the lifting operation of the baking tray of the frying and baking machine, a cushion block manner is usually adopted, that is, one hand of a user holds up the baking tray of the frying and baking machine, and the other hand adjusts the height of the cushion block to achieve the lifting operation of the baking tray. However, the above operation method has poor operability, and usually requires two hands of the user to cooperate with each other, which causes inconvenience in adjusting the height of the baking tray of the baking machine.

Disclosure of Invention

The invention mainly aims to provide a frying and baking machine, which solves the problem that in the prior art, the height of a baking tray of the frying and baking machine is inconvenient to adjust.

In order to achieve the above object, the present invention provides a frying and baking machine, comprising: a housing assembly; the baking tray is arranged in the shell component in a lifting manner; the lifting mechanism is arranged between the shell component and the baking tray; the operating mechanism comprises a knob and a tooth-shaped transmission assembly, and the knob controls the lifting mechanism to lift through the tooth-shaped transmission assembly.

Further, the knob is located outside the housing assembly.

Further, be provided with the loading board between overware and the elevating system, profile of tooth drive assembly includes: the rotatable gear is used for driving the gear to rotate by the knob; and one end of the rack is connected with the bearing plate to drive the lifting mechanism to act.

Furthermore, the rack is arranged along the vertical direction, the tooth-shaped transmission assembly further comprises a transmission rod, the transmission rod is connected with the rack, and the transmission rod is connected with the bearing plate; the number of the gears is two, the two gears are meshed, one gear is driven to rotate by the knob, and the other gear is meshed with the rack.

Further, the frying and roasting machine also comprises a gear box, and at least one part of the tooth-shaped transmission assembly is arranged in the gear box.

Further, the housing assembly includes: the operating mechanism is connected with the shell.

Further, be provided with a plurality of gear structures on the shell, a plurality of gear structures set up on the shell around the circumference interval of knob, operating device still include with the locking piece of gear structure locking or unblock, the locking piece sets up on the knob, withdraws from the back when the locking piece by in the gear structure, the knob can rotate.

Further, the shell assembly comprises a shell, and the operating mechanism further comprises a gear plate, wherein the gear plate is connected with the shell or integrally formed.

Further, be provided with a plurality of gear structures on the gear board, a plurality of gear structures set up around the circumference interval of knob, and the drive shaft of knob passes the gear board and is connected with profile of tooth transmission assembly drive, and operating device still includes: the locking piece is locked or unlocked with the gear structure and arranged on the knob, and when the locking piece is withdrawn from the gear structure, the knob can rotate.

Further, the gear structure is a locking groove provided on the housing or the gear plate.

Further, the locking member includes: the button is movably arranged on the knob; the elastic structure is used for resetting the button; and the locking rod is arranged on the button and extends out of one side of the gear structure.

Further, the knob includes: the knob body is provided with a button; the knob board is arranged at the opening end of the knob body and synchronously rotates with the knob body, a sliding groove is formed in the knob board, the locking rod penetrates through the sliding groove to be matched with the gear structure, and the knob board is provided with a driving shaft extending out towards one side of the tooth-shaped transmission assembly.

By applying the technical scheme of the invention, in the application, the lifting mechanism is arranged between the baking tray and the shell assembly and is used for adjusting the height position of the baking tray, and the tooth-shaped transmission assembly in the operating mechanism can control the lifting mechanism to lift. The user controls the action of the tooth-shaped transmission component through operating the knob, and then controls the lifting action of the lifting mechanism, so that the user can adjust the height of the baking tray in the shell component through operating the knob. Like this, compare with the mode that needs two hands of user cooperation to adjust the overware among the prior art, the machine of frying in shallow oil in this embodiment only needs user operation knob can realize the height position control to the overware, and then makes the user more simple and convenient, swift to the regulation of overware height position, has improved user experience.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, 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 is a schematic perspective view of a first embodiment of a grill according to the present invention;

FIG. 2 shows a top view of the grill of FIG. 1;

FIG. 3 shows a cross-sectional view A-A of the grill of FIG. 2;

FIG. 4 is a schematic diagram showing an exploded view of the grill of FIG. 1;

FIG. 5 is a perspective view of the shift lever plate of FIG. 4; and

fig. 6 is a perspective view showing a partial structure of the locking member in fig. 4.

Wherein the figures include the following reference numerals:

10. a housing assembly; 11. a housing; 12. a middle ring; 20. baking trays; 30. a lifting mechanism; 40. an operating mechanism; 41. a knob; 411. a knob body; 412. a knob plate; 413. a sliding groove; 414. a drive shaft; 42. a toothed transmission assembly; 421. a gear; 422. a rack; 423. a transmission rod; 43. a locking member; 431. a button; 432. an elastic structure; 433. a locking lever; 44. a gear plate; 441. a locking groove; 50. a carrier plate; 60. a gear box.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The invention provides a frying and baking machine, aiming at solving the problem that the height of a baking tray of the frying and baking machine is inconvenient to adjust in the prior art.

Example one

As shown in fig. 1 to 4, the frying and roasting machine includes a housing assembly 10, a roasting pan 20, a lifting mechanism 30 and an operating mechanism 40. Wherein, the baking tray 20 is arranged in the housing assembly 10 in a lifting manner. The lifting mechanism 30 is disposed between the grill pan 20 and the housing assembly 10. The operating mechanism 40 includes a knob 41 and a toothed transmission assembly 42, and the knob 41 controls the lifting mechanism 30 to lift through the toothed transmission assembly 42.

By applying the technical solution of the first embodiment, in the first embodiment, the lifting mechanism 30 is disposed between the baking tray 20 and the housing assembly 10 for adjusting the height position of the baking tray 20, and the tooth-shaped transmission assembly 42 in the operating mechanism 40 can control the lifting mechanism 30 to perform the lifting operation. The user can control the movement of the tooth-shaped transmission component by operating the knob 41, and further control the lifting movement of the lifting mechanism 30, so that the user can adjust the height of the baking tray 20 in the housing component 10 by operating the knob 41. Thus, compared with the mode that two hands of a user are matched to adjust the baking tray 20 in the prior art, the baking machine in the first embodiment can adjust the height position of the baking tray 20 only by operating the knob 41 by the user, so that the user can adjust the height position of the baking tray 20 more conveniently and quickly, and the user experience is improved.

As shown in fig. 1 to 3, in the frying and roasting machine according to the first embodiment, the knob 41 is located outside the housing assembly 10. The rotary operation of the knob 41 is more convenient for the user through the arrangement, so that when the user needs to lift and adjust the baking tray 20 of the frying and baking machine, the user can adjust the height of the baking tray in the shell assembly 10 only by operating the knob 41 positioned outside the shell assembly 10, the operation of the user is facilitated, and the use experience of the user is improved.

As shown in fig. 3 and 4, in the first embodiment of the frying and roasting machine, a carrying plate 50 is disposed between the roasting pan 20 and the lifting mechanism 30, and the tooth-shaped transmission assembly 42 includes a rotatable gear 421 and a rack 422 engaged with the gear 421. Wherein the knob 41 drives the gear 421 to rotate. One end of the rack 422 is connected to the carrier plate 50 to drive the elevating mechanism 30.

Specifically, when the user needs to lift and lower the baking tray 20 of the frying and baking machine, the user rotates the knob 41, and the knob 41 drives the gear 421 to rotate, so that the gear 421 drives the rack 422 engaged therewith to move. Thus, the rack 422 moves along the direction of the setting and drives the bearing plate 50 connected with one end to lift, and since the lifting mechanism 30 is installed together with the bearing plate 50 and moves along with the bearing plate 50, the user realizes the lifting movement of the lifting mechanism 30 by rotating the knob 41, thereby realizing the lifting operation of the baking tray 20 connected with the lifting mechanism 30.

Therefore, the height position of the baking tray 20 can be adjusted, the frying and baking machine can adapt to frying and baking processing of food materials with different thicknesses, the thickness is free, and the delicious degree of the food materials is improved. Meanwhile, the above structure enables the user to perform the lifting operation of the grill pan 20 by rotating the knob 41 with one hand.

As shown in fig. 4, in the first embodiment of the frying and roasting machine, the rack 422 is disposed along the vertical direction, the tooth-shaped transmission assembly 42 further includes a transmission rod 423, the transmission rod 423 is connected with the rack 422, and the transmission rod 423 is connected with the bearing plate 50; the number of the gears 421 is two, two gears 421 are engaged, one gear 421 is driven to rotate by the knob 41, and the other gear 421 is engaged with the rack 422. Specifically, the transmission rod 423 is disposed at a lower end of the rack gear 422. The multi-stage gear transmission is adopted, so that the operation process of the tooth-shaped transmission assembly 42 is more stable, the power transmission efficiency is higher, and meanwhile, the service life of the tooth-shaped transmission assembly 42 is prolonged. Meanwhile, the structure is simple and easy to operate.

Specifically, one of the two gears 421 serves as a driving wheel, and the other serves as a driven wheel. When a user needs to raise the height position of the baking tray 20 of the frying and baking machine, the user rotates the knob 41 in a certain direction (clockwise or counterclockwise), the knob 41 drives one gear 421 to rotate, the gear 421 drives the other gear 421 to rotate, the other gear 421 drives the rack 422 to move upwards, the transmission rod 423 on the rack 422 moves upwards and drives the bearing plate 50 to move upwards, and since the lifting mechanism 30 and the bearing plate 50 are installed together and move together with the bearing plate 50, the user realizes the lifting movement of the lifting mechanism 30 by rotating the knob 41, thereby realizing the lifting operation of the baking tray 20 connected with the lifting mechanism 30. Conversely, when the user desires to lower the height position of the grill pan 20 of the grill machine, the user rotates the knob 41 in the direction opposite to the above direction, and the user performs the lowering movement of the elevating mechanism 30 by rotating the knob 41, thereby performing the lowering operation of the grill pan 20 connected to the elevating mechanism 30.

As shown in fig. 4, in the frying and roasting machine of the first embodiment, the frying and roasting machine further includes a gear box 60, and at least a portion of the tooth-shaped transmission assembly 42 is disposed in the gear box 60. Preferably, the gear box 60 is made up of two gear covers, with the toothed transmission assembly 42 disposed between the two gear covers. The gear box 60 can protect the tooth-shaped transmission assembly 42 arranged in the gear box 60, and impurities and the like are prevented from entering the tooth-shaped transmission assembly 42 to influence the normal work of the tooth-shaped transmission assembly 42. A notch is provided at a moving position of the gear cover located at the inner side with respect to the rack 422, thereby ensuring that the driving lever 423 connected to the rack 422 can be assembled with the loading plate 50.

As shown in fig. 1 and 3, in the frying and roasting machine according to the first embodiment, the housing assembly 10 includes a casing 11 and a middle ring 12. Wherein the middle ring 12 is disposed on the housing 11, and the operating mechanism 40 is connected to the middle ring 12. The arrangement not only facilitates the operation of the operating mechanism 40 by the user, but also makes the structure of the frying and baking machine more compact and beautiful. Of course, the operating mechanism 40 may be mounted directly on the housing 11. Particularly for products that do not have the structure of the middle ring 12. Or the middle ring 12 may be considered as part of the housing 11.

Fig. 5 is a perspective view of the shift lever plate of fig. 4. As shown in fig. 2 to 5, in the frying and roasting machine of the first embodiment, the operating mechanism 40 further includes a gear plate 44, and the gear plate 44 is connected to the housing 11 or the middle ring 12. The connection between the two is shown.

The operating mechanism 40 further includes a lock member 43 that locks or unlocks with the shift position structure. Wherein, a plurality of gear structures are arranged on the gear plate 44, and are arranged at intervals around the circumference of the knob 41, and the driving shaft 414 of the knob 41 passes through the gear plate 44 and is in driving connection with the tooth-shaped transmission assembly 42 (a part of the gear box between the driving rod 423 and the gear plate 44 in fig. 4). The locking member 43 is provided on the knob 41, and the knob 41 can be rotated after the locking member 43 is withdrawn from the shift position structure.

Specifically, the shift lever plate 44 is provided with an avoidance hole for avoiding the drive shaft 414 of the knob 41. The locking piece 43 enables a self-locking positioning function of the knob 41. In the process of adjusting the grill pan 20 of the frying and roasting machine up and down by rotating the knob 41, after the grill pan 20 is adjusted to a proper height, the knob 41 is locked at the height position by the locking member 43. If the user needs to lift and lower the grill pan 20 of the frying and roasting machine, the locking member 43 needs to be unlocked first, and then the knob 41 needs to be rotated to adjust the grill pan 20 to another height position. Meanwhile, the multiple gear structure enables the user to achieve adjustment of different height positions of the grill pan 20 by operating the knob 41.

As shown in fig. 4 and 5, in the frying and roasting machine of the first embodiment, the shift structure is a locking groove 441 disposed on the shift plate 44. When the locking piece 43 is needed to lock the knob 41, the locking piece 43 is in stop fit with the locking groove 441 on the shift structure, so that the knob 41 is fixed at the shift position to lock the baking tray 20 at the height position, and the positioning operation of the baking tray 20 is realized. When the locking piece 43 needs to be unlocked, the locking piece 43 is disengaged from the locking groove 441 on the gear structure to realize the height position adjustment of the baking tray 20.

Preferably, the scale position of knob 41 and the position one-to-one setting of gear structure, promptly after every rotatory scale (angle) of knob 41, locking groove 441 homoenergetic realizes the locking with locking piece 43, and then realizes the regulation of the not co-altitude position of overware 20 to the processing operation of the edible material of adaptation multiple size type brings the cooking experience of the accurate location of overware 20 for the user.

As shown in fig. 4 and 6, in the frying and roasting machine according to the first embodiment, the locking member 43 includes a button 431, an elastic structure 432 and a locking rod 433. Wherein, the button 431 is movably arranged on the knob 41. The resilient structure 432 is used to perform a reset operation on the button 431. A lock lever 433 is provided on the button 431 and protrudes to the shift position structure side. Preferably, the resilient structure 432 is a spring. The spring is a standard component, and the processing cost of the frying and baking machine is reduced. The button 431 and the locking rod 433 are integrally formed.

Specifically, when the user adjusts the grill pan 20 of the frying and roasting machine up and down, the knob 41 needs to be unlocked first, i.e. the button 431 is pressed, the button 431 applies an elastic force to the elastic structure 432, so that the elastic structure 432 is compressed, the button 431 and the locking rod 433 move relative to the shift position structure, the locking rod 433 is disengaged from the shift position structure, and the knob 41 is unlocked. Thus, the user can rotate the knob 41 to lift the grill pan 20. When the user finishes the lifting adjustment of the baking tray 20 and makes the knob 41 located at a certain gear (the baking tray 20 is located at a certain height position), the button 431 is not pressed any more, the elastic structure 432 resets the button 431, and meanwhile, the locking rod 433 is in stop fit with the gear structure, so that the knob 41 is locked, and the baking tray 20 is also located at a certain height.

As shown in fig. 4, in the frying and baking machine according to the first embodiment, the knob 41 includes a knob body 411 and a knob plate 412. Wherein a button 431 is provided on the knob body 411. The knob plate 412 is disposed at an opening end of the knob body 411 and rotates synchronously with the knob body 411, a sliding groove 413 is disposed on the knob plate 412, the locking rod 433 penetrates through the sliding groove 413 to be matched with the gear structure, and the knob plate 412 has a driving shaft 414 extending out towards one side of the tooth-shaped transmission assembly 42. Thus, the above structure makes the structure of the knob 41 simpler, making the assembly of the locking piece 43 with the knob 41 easier. The knob 41 is connected to a gear 421 through the driving shaft 414, so that the gear 421 and the driving shaft 414 (the knob 41) rotate synchronously, thereby achieving the purpose that the user controls the operation of the toothed transmission assembly 42 by rotating the knob 41.

Example two

The difference between the frying and baking machine in the second embodiment and the first embodiment is: the gear structure is arranged at different positions.

Specifically, be provided with a plurality of gear structures on the shell, a plurality of gear structures set up on the shell around the circumference interval of knob, operating device still include with the locking piece of gear structure locking or unblock, the locking piece setting is on the knob, withdraws from the back when the locking piece by in the gear structure, the knob can rotate. That is, in this embodiment, the shift position structure is integrally formed with the housing.

Specifically, the locking piece can realize the self-locking positioning function of knob. In the process that a user rotates the knob to adjust the baking tray of the frying and baking machine in a lifting way, after the baking tray is adjusted to a proper height, the knob is locked at the height position through the locking piece. If the user needs to lift and adjust the baking tray of the frying and baking machine, the locking piece needs to be unlocked firstly, and then the knob is rotated to adjust the baking tray to another height position. Meanwhile, the multiple gear structures enable a user to adjust different height positions of the baking tray through the operation knob. Meanwhile, the gear structure is directly arranged on the shell, so that the frying and baking machine is simpler in structure and easy to process, and the processing cost of the frying and baking machine is reduced.

Preferably, the scale position of knob and the position one-to-one setting of gear structure, promptly after every rotatory scale (angle) of knob, the locking groove homoenergetic realizes the locking with the locking piece, and then realizes the not regulation of high position of overware to adapt to the processing operation of the edible material of multiple size type, bring the cooking of the accurate location of overware for the user and experience.

In the second frying and roasting machine of the embodiment, the shift structure is a locking groove arranged on the housing. When the locking piece is needed to lock the knob, the locking piece is matched with a locking groove in the gear structure in a stop mode, so that the knob is fixed at the gear position to lock the baking tray to the height position, and the baking tray is positioned. When the locking piece needs to be unlocked, the locking piece is disengaged from the locking groove on the gear structure so as to realize the height position adjustment of the baking tray.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

in the application, the lifting mechanism is arranged between the baking tray and the shell assembly and used for adjusting the height position of the baking tray, and the tooth-shaped transmission assembly in the operating mechanism can control the lifting mechanism to lift. The user controls the rotation of the tooth-shaped transmission component through the operation knob, and then controls the lifting action of the lifting mechanism, so that the user can adjust the height of the baking tray in the shell component through the operation knob. Like this, compare with the mode that needs two hands of user cooperation to adjust the overware among the prior art, the machine of frying in shallow oil in this embodiment only needs user operation knob can realize the height position control to the overware, and then makes the user more simple and convenient, swift to the regulation of overware height position, has improved user experience.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above 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 capable of operation in sequences other than those illustrated or described herein.

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 frying and baking machine is characterized by comprising:

a housing assembly (10);

the baking tray (20) is arranged in the shell component (10) in a lifting manner;

the lifting mechanism (30), the said lifting mechanism (30) is set up between said body assembly (10) and said bakeware (20);

the operating mechanism (40) comprises a knob (41) and a tooth-shaped transmission component (42), the knob (41) controls the lifting mechanism (30) to lift through the tooth-shaped transmission component (42), so that a user can adjust the height of the baking tray (20) in the shell component (10) by operating the knob (41);

a plurality of shift position structures, the operating mechanism (40) further comprises a locking piece (43) locked or unlocked with the shift position structures, the locking piece (43) is arranged on the knob (41), and the knob (41) can rotate after the locking piece (43) is withdrawn from the shift position structures;

the locking member (43) includes:

a button (431), wherein the button (431) is movably arranged on the knob (41);

a resilient structure (432) for resetting the button (431);

the locking rod (433), the said locking rod (433) is set up on the said button (431) and stretched out to one side of the said gear structure; when the button (431) is pressed, the button (431) applies elastic force to the elastic structure (432) so that the elastic structure (432) is compressed, the button (431) and the locking rod (433) move relative to the gear structure, the locking rod (433) is disengaged from the gear structure, and the knob (41) is unlocked; when the button (431) is not pressed any more, the elastic structure (432) performs the resetting operation on the button (431), and meanwhile, the locking rod (433) performs the stopping matching with the gear structure, so that the knob (41) is locked.

2. The grilling machine according to claim 1, characterized in that said knob (41) is located outside said housing assembly (10).

3. The frying and roasting machine according to claim 1 or 2, wherein a carrying plate (50) is provided between the roasting pan (20) and the lifting mechanism (30), and the toothed transmission assembly (42) comprises:

the rotatable gear (421), the knob (41) drives the gear (421) to rotate;

and the rack (422) is meshed with the gear (421), and one end of the rack (422) is connected with the bearing plate (50) to drive the lifting mechanism (30) to act.

4. The frying and roasting machine according to claim 3, wherein the rack (422) is arranged in a vertical direction, the toothed transmission assembly (42) further comprises a transmission rod (423), the transmission rod (423) is connected with the rack (422), and the transmission rod (423) is connected with the carrying plate (50); the number of the gears (421) is two, the two gears (421) are meshed, the knob (41) drives one gear (421) to rotate, and the other gear (421) is meshed with the rack (422).

5. The fry roaster of claim 1, further comprising a gear box (60), at least a portion of the toothed drive assembly (42) being disposed within the gear box (60).

6. The frying and roasting machine according to claim 1, wherein said housing assembly (10) comprises:

a housing (11), the operating mechanism (40) being connected to the housing (11).

7. The frying and roasting machine according to claim 6, wherein a plurality of said gear structures are provided on said housing (11), and said gear structures are provided on said housing (11) at intervals around a circumference of said knob (41).

8. The machine according to claim 1, wherein the housing assembly (10) comprises a housing (11), and the operating mechanism (40) further comprises a gear plate (44), the gear plate (44) being connected to or integrally formed with the housing (11).

9. The frying and roasting machine of claim 8, wherein said gear plate (44) is provided with a plurality of said gear structures, said plurality of said gear structures are arranged around the circumference of said knob (41) at intervals, and a driving shaft (414) of said knob (41) passes through said gear plate (44) and is drivingly connected with said toothed transmission assembly (42).

10. Frying and roasting machine according to claim 7 or 9, characterised in that the indexing structure is a locking groove (441) provided on the housing (11) or the indexing plate (44).

11. The grill of claim 7 or 9, wherein the knob (41) comprises:

a knob body (411), the button (431) being provided on the knob body (411);

the knob plate (412), the knob plate (412) set up the open end of knob body (411) and with knob body (411) synchronous revolution, be provided with on knob plate (412) and slide groove (413), locking lever (433) pass slide groove (413) with the gear structure cooperation, knob plate (412) have towards drive shaft (414) that tooth form transmission assembly (42) one side stretches out.