CN220252468U

CN220252468U - Knob mechanism and cooking utensil with same

Info

Publication number: CN220252468U
Application number: CN202322337941.1U
Authority: CN
Inventors: 闻继望; 吴江水; 龙华昌
Original assignee: Zhejiang Biyi Electric Appliance Co Ltd
Current assignee: Zhejiang Biyi Electric Appliance Co Ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2023-12-26
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a knob mechanism, which at least comprises a PCB, a first light guide assembly and a fixed seat, wherein a plurality of first indicator lamps are arranged at the front end of the PCB; the first light guide component is arranged at the front end of the PCB and guides light to the plurality of first indicator lamps, a groove corresponding to the plurality of first indicator lamps is formed in the first light guide component, and a scale film is arranged on the groove; the fixing seat is fixed on the first light guide component, a cavity is formed between the inner part of the fixing seat and the groove, and a pointer is arranged in the cavity. Wherein, be equipped with the transparent cover plate that communicates this cavity and can observe scale film and pointer on this fixing base, this fixing base and transparent cover plate integrated into one piece. Therefore, the transparent cover plate and the fixing seat are integrally formed, the effects of dust prevention, insect prevention and water vapor entry prevention can be achieved, and meanwhile, the whole structure is attractive and tidy. In addition, the utility model also provides a cooking utensil with the knob mechanism.

Description

Knob mechanism and cooking utensil with same

Technical Field

The utility model relates to the technical field of air fryers, in particular to a knob mechanism and a cooking appliance with the same.

Background

The air fryer is a novel household appliance for frying food by utilizing a high-speed and high-temperature air circulation technology, and compared with the traditional electric fryer, the food made of the novel household appliance can reduce 80% of grease, is easy to clean in daily use, is safe and economical, and is favored by people.

In order to facilitate control, the existing air fryer is provided with a knob mechanism on the machine body, and the working time, cooking temperature and the like of the air fryer can be adjusted by rotating the knob. In order to facilitate the observation of the pointer graduation in the knob mechanism, a transparent plate is required to be arranged on the fixed seat of the knob. In current knob mechanism, through buckle structure in order to realize connecting between its transparent plate and the fixing base, the junction between the two produces the clearance easily to lead to dust, mosquito, vapor etc. to get into and shelter from the pointer scale through this clearance easily, it is comparatively troublesome.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the knob mechanism and the cooking utensil with the knob mechanism, and the transparent cover plate and the fixed seat are integrally formed, so that the effects of dust prevention, insect prevention and water vapor entry prevention can be achieved, and meanwhile, the whole structure is more attractive and tidy.

The utility model adopts the technical proposal for solving the problems that:

a knob mechanism comprising at least:

the front end of the PCB is provided with a plurality of first indicator lamps;

the first light guide assembly is arranged at the front end of the PCB and guides light to the plurality of first indicator lamps; grooves corresponding to the plurality of first indicator lamps are formed in the first light guide assembly, and scale films are arranged on the grooves;

the fixed seat is fixed on the first light guide assembly, a cavity is formed between the inside of the fixed seat and the groove, and a pointer is arranged in the cavity;

the fixed seat is provided with a transparent cover plate which is communicated with the cavity and can observe the scale film and the pointer, and the fixed seat and the transparent cover plate are integrally formed.

Further, the first light guide assembly includes the setting is in the first shading support of PCB board front end and lid closes the first light guide plate of first shading support front end, wherein:

a plurality of corresponding first shading grooves are formed in the first shading support corresponding to the plurality of first indicator lamps;

the first light guide plate is provided with the groove.

Further, the pointer fixing device also comprises a fixing support connected with the pointer, wherein the front end of the fixing support is provided with a convex rib, and a clamping groove sleeved outside the convex rib is formed in the fixing seat.

Further, the rear end of the fixed support is provided with a convex column, and the convex column penetrates through the first light guide assembly and is clamped on the PCB.

Further, still include knob and timer, wherein:

the fixing seat is provided with a first through hole communicated with the fixing bracket, and the convex column is internally provided with a second through hole;

the timer is fixed at the rear end of the PCB;

the knob comprises a knob body positioned at the outer side of the fixed seat and a rotating shaft connected with the knob body, and the rotating shaft sequentially penetrates through the first through hole, the second through hole and the timer.

Further, the fixing support is provided with a clamping hole which is communicated with the second through hole and is matched with the appearance of the rotating shaft, and when the knob body is rotated, the fixing support and the pointer can be simultaneously driven to rotate.

Further, the LED display device further comprises a second light guide assembly, wherein a plurality of second indicator lamps are arranged at the front end of the PCB, and the second light guide assembly is arranged at the front end of the PCB and guides light to a plurality of second indicator lamps.

Further, the second light guide assembly comprises a second shading support arranged at the front end of the PCB and a second light guide plate covered at the front end of the second shading support, and a plurality of corresponding second shading grooves are formed in the positions, corresponding to the plurality of first indicator lamps, on the second shading support.

Further, a through groove for embedding the second light guide plate is formed in the fixing seat.

In addition, the utility model also provides a cooking utensil comprising the knob mechanism.

In summary, the knob mechanism and the cooking utensil with the knob mechanism have the following beneficial effects:

(1) According to the knob mechanism, the transparent cover plate and the fixing seat are integrally formed, so that the effects of dust prevention, insect prevention and water vapor entering prevention can be achieved, and meanwhile, the whole structure is attractive and tidy.

(2) According to the knob mechanism, the convex ribs are arranged at the front end of the fixed support, the clamping grooves sleeved on the outer sides of the convex ribs are arranged in the fixed seat, the clamping grooves are matched with the convex ribs, and a continuous bending channel is formed between the clamping grooves and the convex ribs, so that dust, mosquitoes, water vapor and the like are prevented from entering the cavity, and the blocking of the pointer and the scale film is avoided.

Drawings

FIG. 1 is a schematic view of a knob mechanism according to the present utility model;

FIG. 2 is an exploded view of the knob mechanism of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is a schematic cross-sectional view of a knob mechanism according to the present utility model;

FIG. 5 is a schematic diagram of the configuration of the air fryer of the present utility model.

Wherein the reference numerals have the following meanings:

1. a knob mechanism; 11. a PCB board; 111. a first indicator light; 112. a second indicator light;

113. a temperature control piece; 12. a shading bracket; 121. a first light shielding bracket; 1211. a first light shielding groove;

1212. a limit groove; 1213. a buckle; 122. a second light shielding bracket; 1221. a second light shielding groove;

131. a first light guide plate; 1311. a groove; 1312. a limiting block; 1313. limiting protruding points; 132. a second light guide plate; 14. a scale film; 141. a limit groove; 15. a fixing seat; 151. a transparent cover plate; 152. a clamping groove; 153. a through groove; 154. a limiting hole; 161. a pointer; 162. a fixed bracket; 1621. convex ribs; 1622. a convex column; 16221. a clamping hook; 1623. a clamping hole; 17. a knob; 171. a knob body; 172. a rotating shaft; 18. a timer; 19. a key; 2. a fuselage.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, 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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Example 1

Referring to fig. 1-4, the utility model discloses a knob mechanism 1, which comprises a timer 18, a PCB 11, a first light guide assembly, a fixing seat 15 and a knob 17, which are sequentially arranged from back to front, wherein the front end of the PCB 11 is provided with a plurality of first indicator lamps 111 along the circumferential direction, the first light guide assembly is arranged at the front end of the PCB 11 and guides light to the plurality of first indicator lamps 111, the first light guide assembly is provided with a groove 1311 which corresponds to the plurality of first indicator lamps 111 and is also annular, and the groove 1311 is stuck with a scale film 14; the fixing base 15 is fixed on the first light guiding component, and a cavity is formed between the inner portion of the fixing base 15 and the groove 1311, and the pointer 161 is disposed in the cavity. The fixing base 15 is provided with a transparent cover plate 151 which is communicated with the cavity and can observe the scale film 14 and the pointer 161, and the fixing base 15 and the transparent cover plate 151 are integrally formed.

Therefore, the transparent cover plate 151 and the fixing seat 15 are integrally formed, so that the effects of dust prevention, insect prevention and water vapor entry prevention can be achieved, and meanwhile, the whole structure is attractive and tidy.

In this embodiment, a limiting bump 1313 is disposed on the groove 1311, and a limiting groove 141 is disposed on the scale film 14, so that the accurate adhesion position of the scale film 14 can be ensured by aligning the limiting groove 141 with the limiting bump 1313 and adhering the scale film 14.

Specifically, the first light guiding assembly includes a first light shielding bracket 121 disposed at the front end of the PCB 11, and a first light guiding plate 131 covering the front end of the first light shielding bracket 121, where a plurality of corresponding first light shielding slots 1211 are disposed on the first light shielding bracket 121 corresponding to the plurality of first indicator lamps 111, so as to prevent the light emitted by the first indicator lamps 111 from affecting each other; the front end of the first light guide plate 131 is provided with the groove 1311. Further, a mounting post is disposed at the rear end of the first light guide plate 131, a plurality of limiting blocks 1312 are disposed on the side wall of the mounting post in a ring manner, a mounting groove is disposed on the first light shielding bracket 121, and a limiting groove 1212 matched with the plurality of limiting blocks 1312 is disposed on the side wall of the mounting groove in a ring manner. Accordingly, the first light guide assembly can be assembled by inserting the mounting posts into the mounting grooves and respectively clamping the plurality of limiting blocks 1312 into the plurality of limiting grooves 1212.

In this embodiment, after the assembly of the first light guide assembly is completed, the first light guide assembly is placed at the front end of the PCB 11, the timer 18 is placed at the rear end of the PCB 11, and then the assembly of the first light guide assembly, the PCB 11 and the timer 18 can be achieved by sequentially passing through the first light guide assembly, the PCB 11 and the timer 18 through bolts and locking the three through nuts.

Referring again to fig. 2-4, a mounting bracket 162 is also included that is coupled to the pointer 161. Preferably, the fixing bracket 162 is integrally formed with the pointer 161. The front end of the fixing bracket 162 is convexly provided with a circular rib 1621, and the inside of the fixing seat 15 is provided with a clamping groove 152 sleeved outside the rib 1621 and also in a circular shape. Therefore, the clamping groove 152 and the convex rib 1621 are matched with each other to form a continuous bending channel therebetween, so that dust, mosquitoes, water vapor and the like can be prevented from entering the cavity, and the shielding of the pointer 161 and the scale film 14 is avoided.

Further, a protrusion 1622 is disposed at the rear end of the fixing bracket 162, a hook 16221 is disposed at the end of the protrusion 1622, and the protrusion 1622 passes through the first light guide assembly and is clamped on the PCB 11 via the hook 16221, thereby restricting the movement of the fixing bracket 162 along the front-rear direction.

In addition, the fixing base 15 is further provided with a plurality of limiting holes 154, and the first light shielding bracket 121 is provided with a plurality of buckles 1213. Therefore, the fixing base 15 can be fixed on the first light guiding component by respectively clamping the limiting holes 154 with the buckles 1213.

Referring to fig. 1 to 4, the knob 17 includes a knob body 171 located at the outer side of the fixed seat 15 and a rotating shaft 172 connected to the knob body 171, the fixed seat 15 is provided with a first through hole for communicating with the fixed bracket 162, the boss 1622 of the fixed bracket 162 is provided with a second through hole, and the rotating shaft 172 sequentially passes through the first through hole and the second through hole and is connected to the timer. Further, the fixing bracket 162 is further provided with a clamping hole 1623 which is communicated with the second through hole and is matched with the shape of the rotating shaft 172; preferably, the detent 1623 is approximately rectangular in shape.

Therefore, when the knob body 171 is rotated, the fixing bracket 162 and the pointer 161 can be simultaneously driven to rotate, so that the cooking time can be controlled.

In the present embodiment, a spring is disposed inside the rotating shaft 172, and the spring abuts against the extending post of the timer 18. Thus, when the knob 17 is turned, the extension pole of the timer 18 is driven to rotate to realize timing.

In addition, the knob mechanism further comprises a second light guide assembly, wherein a plurality of second indicator lamps 112 positioned at the top of the first indicator lamps 111 are arranged at the front end of the PCB 11 along the circumferential direction, and the second light guide assembly is arranged at the front end of the PCB 11 and guides light to the plurality of second indicator lamps 112. Specifically, the second light guiding assembly includes a second light shielding bracket 122 disposed at the front end of the PCB 11, and a second light guiding plate 132 covered on the front end of the second light shielding bracket 122. Preferably, the second light shielding bracket 122 is integrally formed with the first light shielding bracket 121 to form the light shielding bracket 12. A plurality of corresponding second shading grooves 1221 are arranged on the second shading support 122 corresponding to the positions of the plurality of first indicator lamps 111, so that the light emitted by the second indicator lamps 112 is prevented from being influenced mutually; the fixing base 15 is provided with a through groove 153 into which the second light guide plate 132 can be inserted.

In addition, two buttons 19 are further disposed on two sides of the fixing base 15, and corresponding temperature control elements 113 are disposed on two sides of the PCB 11. Thus, when the key 19 is pressed, the temperature control 113 can be triggered to realize the adjustment control of the cooking temperature.

Example two

In addition, the utility model also provides a cooking appliance which is an air fryer, and the air fryer comprises a machine body 2 and a knob mechanism 1 as shown in the embodiment I, which is arranged on the machine body 2. The machine body 2 is provided with temperature scales corresponding to a plurality of second indicator lamps 112. When the key 19 on the fixing seat 15 is pressed, the temperature can be adjusted, and meanwhile, the second indicator lamp 112 on the PCB 11 emits light so as to display the current temperature value, so that the user can see the temperature at a glance.

In summary, the knob mechanism 1 and the cooking appliance with the knob mechanism have the following beneficial effects:

the knob mechanism 1 of the utility model can play the roles of dust prevention, insect prevention and water vapor entry prevention by integrally forming the transparent cover plate 151 and the fixed seat 15, and meanwhile, the whole structure is more attractive and tidy.

In the knob mechanism 1 of the present utility model, the protruding rib 1621 is provided at the front end of the fixing bracket 162, and the fixing seat 15 is provided with the clamping groove 152 sleeved outside the protruding rib 1621, and the clamping groove 152 and the protruding rib 1621 are mutually matched to form a continuous bending channel therebetween, so as to prevent dust, mosquito, water vapor, etc. from entering the cavity, and avoid shielding the pointer 161 and the scale film 14.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A knob mechanism comprising at least:

the front end of the PCB is provided with a plurality of first indicator lamps;

2. The knob mechanism according to claim 1, wherein the first light guide assembly comprises a first light shielding bracket provided at a front end of the PCB board and a first light guide plate covered at the front end of the first light shielding bracket, wherein:

the first light guide plate is provided with the groove.

3. The knob mechanism according to claim 1 or 2, further comprising a fixing bracket connected with the pointer, wherein a convex rib is arranged at the front end of the fixing bracket, and a clamping groove sleeved outside the convex rib is arranged in the fixing seat.

4. The knob mechanism according to claim 3, wherein the rear end of the fixing bracket is provided with a convex column, and the convex column passes through the first light guide assembly and is clamped on the PCB.

5. The knob mechanism according to claim 4, further comprising a knob and a timer, wherein:

the timer is fixed at the rear end of the PCB;

6. The knob mechanism according to claim 5, wherein the fixing bracket is provided with a clamping hole which is communicated with the second through hole and is matched with the appearance of the rotating shaft, and when the knob body is rotated, the fixing bracket and the pointer are simultaneously driven to rotate.

7. The knob mechanism according to claim 1, further comprising a second light guide assembly, wherein a plurality of second indicator lamps are arranged at the front end of the PCB, and the second light guide assembly is arranged at the front end of the PCB and guides light to the plurality of second indicator lamps.

8. The knob mechanism according to claim 7, wherein the second light guide assembly comprises a second light shielding bracket arranged at the front end of the PCB board and a second light guide plate covered at the front end of the second light shielding bracket, and a plurality of corresponding second light shielding grooves are arranged on the second light shielding bracket corresponding to the plurality of first indication lamps.

9. The knob mechanism according to claim 8, wherein the fixing base is provided with a through groove into which the second light guide plate is inserted.

10. A cooking appliance comprising a knob mechanism according to any one of claims 1-9.