Rotating and pressing composite knob and electric baking tray with same
By designing a combined rotary and press knob, integrated control of knobs and buttons is achieved, solving the high cost problem caused by the separate control of traditional knobs and buttons, simplifying the structure and improving the safety and stability of operation.
Patent Information
- Application Number
- CN202423195126.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Traditional knobs and buttons are separate control structures that cannot be integrated into one unit, resulting in high product costs and unstable operation.
Design a rotary and press-sensitive composite knob that combines the knob and button to control different functions. The knob and button control the power supply and the start and stop of the synchronous motor respectively, eliminating the need for PCB board control.
It simplifies the product structure, reduces costs, and improves the safety and stability of machine operation.
Smart Images
Figure CN223728658U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of small household appliances, more particularly to a rotary and press composite knob and an electric baking tray with the composite knob. BACKGROUND
[0002] The knob is a kind of switch component widely used by people, and the knob is usually used to adjust temperature or control power on-off, and two knobs are designed when the knob controls two different working states (two function modes), and the button is generally used to control power on-off.The traditional knob and button are separate control structure, cannot be integrated, or control is carried out in the way of substrate, that is, the knob control mode is realized by matching PCB substrate, and the product cost is higher. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a rotary and press composite knob and an electric baking tray with the composite knob, which can simplify product structure, save cost and realize safe and stable mechanical operation.
[0004] In order to achieve the above purpose, the solution of the utility model is as follows:
[0005] A rotary and press composite knob is installed on the shell of product body, and the composite knob comprises a knob, a button, a key switch, a key switch fixing frame, an adjusting rod, the key switch fixing frame is fixed in the shell, the key switch is fixed in the key switch fixing frame, the knob is protruded on the outer side of the shell and can be rotationally limited on the shell, the button is located in the middle of the knob, the rear part of the button is connected with the key switch, one end of the adjusting rod is connected with the knob, and the other end is connected with a control shaft, and the rotating knob synchronously drives the control shaft.
[0006] Further, the other end of the adjusting rod is connected with the control shaft of a temperature controller, the rotating knob drives the adjusting rod and the control shaft of the temperature controller to synchronously rotate to realize temperature adjustment, the key switch is electrically connected with a synchronous motor, and the pressing and releasing of the button drive the key switch to control the start and stop of the motor.
[0007] Further, the front end of the button forms a pressing part, at least one reset spring is located in the middle of the knob and abuts against the back surface of the pressing part, and the button is pressed relative to the knob to extrude the reset spring.
[0008] Further, the shell of the product body is provided with an opening through which the knob passes, the back part of the knob extends backward and is provided with a hook that can be clamped on the back surface of the shell, and the hook is clamped on the outer side of the opening.
[0009] Further, the back part of the knob extends backward and is provided with a plurality of rear protrusions in the shell, the adjusting rod comprises hooking parts arranged at the two ends of a horizontal rod, the hooking part at one end is hookingly fixed on the rear protrusion of the knob, and the hooking part at the other end is hookingly fixed on the control shaft.
[0010] Further, the temperature controller and the button switch are directly connected to an alternating current power supply.
[0011] An electric baking tray comprises a baking tray arranged on a baking tray body, a composite knob as described above arranged on a housing of the baking tray body, and a temperature controller and a synchronous motor arranged in the baking tray body.
[0012] Further, the baking tray body is further provided with a heating pipe, a synchronous motor fixing frame, and a fixing piece, the heating pipe is arranged below the baking tray, the temperature controller is connected to the heating pipe through a wiring, the synchronous motor is fixed in the synchronous motor fixing frame, a transmission shaft of the synchronous motor is connected to the fixing piece and drives the fixing piece to rotate, and the fixing piece is limited at the bottom of the baking tray and drives the baking tray to rotate synchronously.
[0013] Further, a hollow part is formed in the middle of the baking tray, a placing tray is arranged in the hollow part, and the fixing piece is limited at the bottom of the placing tray and is driven by the synchronous motor to rotate.
[0014] Further, the placing tray is in a disc shape, a plurality of placing areas are formed in the middle and around the placing tray, and a placing dish is arranged on some of the placing areas.
[0015] With the above structure, the composite knob of the electric baking tray of the present application combines the knob and the button together on the product shell, the knob and the button control different functions respectively under the premise that a PCB control substrate is not needed, the outer knob controls the functions of power-on heating and power-off non-heating, the inner button controls the functions of synchronous motor motor working and non-working, the two can be used independently or controlled simultaneously, the product space utilization is improved, the product structure is simplified, the product cost is saved, and the mechanical operation is safe and stable. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 FIG. 1 is a perspective view of an electric baking tray of the present application;
[0017] Figure 2 FIG. 2 is an exploded view of the electric baking tray of the present application;
[0018] Figure 3 FIG. 3 is a sectional view of the electric baking tray of the present application;
[0019] Figure 4 FIG. 4 is an enlarged view of part A in FIG. 1. Figure 3 FIG. 5 is an enlarged view of part B in FIG. 1. DETAILED DESCRIPTION
[0020] In order to further explain the technical scheme of the present application, the present application will be described in detail below through specific embodiments.
[0021] In combination with 1 to Figure 4The utility model discloses a kind of rotation and press composite knobs, which can be installed on the shell of a product body, and in the present embodiment, it is installed on the shell 61 of the baking tray body 6 of an electric baking tray. The composite knob includes knob 1, button 2, key switch 3, key switch fixing frame 4, adjusting rod 5. Among them, the key switch fixing frame 4 is fixed in the shell 61, the key switch 3 is fixed in the key switch fixing frame 4, the knob 1 is convex on the outside of the shell 61 and can be rotationally limited on the shell 61, the button 2 is located in the middle of the knob 1, the rear part of the button 2 is connected to the key switch 3, one end of the adjusting rod 5 is connected to the knob 1, and the other end is connected to a control shaft 71. The rotating knob 1 can synchronously drive the control shaft 71, so as to directly control the control shaft 71 by rotating the knob 1, and realize the rotation adjustment effect.
[0022] In the present embodiment, the other end of the adjusting rod 5 is connected to the control shaft 71 of a temperature controller 7, and the rotating knob 1 drives the adjusting rod 5 and the control shaft 71 of the temperature controller 7 to rotate synchronously to realize temperature adjustment. The key switch 3 is electrically connected to a synchronous motor 81, and the pressing and releasing of the button 2 are connected to the key switch 3 to control the start and stop of the motor 81 (this is prior art, which will not be described in detail here).
[0023] Specifically, the middle part of the knob 1 is hollow, and the button 2 can be embedded therein. The two are combined on the shell 61, the control part on the shell is more concise, and different functions can be realized. The front end of the button 2 forms a pressing part 21, and at least one return spring 22 can be abutted on the back of the pressing part 21 in the middle part of the knob 1. In the present embodiment, two return springs 22 are provided. After the button 2 is pressed relative to the knob 1, the return spring 22 is extruded, and when the pressing is completed, the button 2 can be bounced back by the return force of the return spring, so that the pressing operation of the button 2 can be facilitated.
[0024] An opening 611 can be provided on the shell 61 of the product body, through which the knob 1 can pass. The back of the knob 1 can extend backward to form a clamping hook 11 which can be clamped on the back of the shell 61. The clamping hook 11 is clamped on the outside of the opening 611. The back of the knob 1 further extends backward to form a plurality of rear protrusions 12 which are located in the shell 61. The adjusting rod 5 includes a hooking part 52 at each end of a horizontal rod 51. One end of the hooking part 52 is hookingly fixed on the rear protrusion 12 of the knob 1, and the other end of the hooking part 52 is hookingly fixed on the control shaft 71.
[0025] The utility model discloses, temperature controller 7 and button switch 3 all directly pass through alternating current power supply, directly connect current voltage, such as 220-240V. Such setting, under the premise of not having PCB control base plate, two unification's control knob 2+ button 1 are directly through strong electric work, external knob 2 clockwise rotatable just energized heating, contrary to close power on ( power off not heating), internal press button 1 press to the bottom and be powered ( control synchronous motor motor work), press again and be powered off ( synchronous motor motor does not work), two can be used simultaneously, also can be used independently, relative to PCB board optimization on structure, and cost is lower.
[0026] The utility model discloses still disclose a kind of electric griddle, including being equipped with griddle 91 on griddle body 6, the shell 61 of griddle body 6 is equipped with above-mentioned composite knob, griddle body is equipped with temperature controller 7 and synchronous motor 81 inside.The adjustable temperature controller 7 is fixed in griddle body 6 inside and carries out temperature sensing, to adjust griddle temperature, synchronous motor is driven griddle rotation by motor.
[0027] Griddle body 6 is also equipped with heating pipe (not shown in drawing), synchronous motor fixing frame 82, fixed sheet 83, heating pipe is located below griddle 91, and temperature controller 7 is connected by wiring between heating pipe.Synchronous motor 81 is fixed in synchronous motor fixing frame 82, and the transmission shaft 811 of synchronous motor 81 is connected fixed sheet and drives fixed sheet 83 rotation, simultaneously, fixed sheet 83 can be positioned in the bottom of griddle and drive griddle synchronous rotation.In the embodiment, the middle part of griddle 91 forms vacancy 911, and a placing tray 92 is placed in vacancy 911, and fixed sheet 83 is positioned in the bottom of placing tray 92, and synchronous motor 81 drives placing tray 92 rotation.Placing tray 92 can form disc, and multiple placing areas 921 are formed in the middle part and the circumference of placing tray, and placing dish 93 is placed on part of placing areas 921.Heating pipe can be set or not set in vacancy 911 according to use demand through placing tray 92, when not setting heating pipe, food material that does not need high-temperature baking can be placed on placing area 921, and placing dish 93 can place seasoning, cheese or dip sauce according to use demand, satisfy the diversification demand of electric griddle.
[0028] With the above structure, the composite knob of the utility model is combined together with the knob and the button on the product shell, is more simple in operation structure and appearance, and under the premise of not needing the PCB control substrate, the knob and the button control different functions respectively, the outer knob controls the power-on heating and the power-off non-heating effect, the inner button controls the synchronous motor motor working and non-working effect, both can be independently used or simultaneously controlled, the product space utilization is improved, the product structure is simplified, the product cost is saved, and the mechanical operation is safe and stable. The above examples and drawings are not limited to the product form and style of the utility model, and any ordinary skilled person in the art makes appropriate changes or modifications, which should be considered as not departing from the patent category of the utility model.
Claims
1. A rotary and press combined knob installed on a housing of a product body, characterized in that: The composite knob comprises a knob, a button, a key switch, a key switch fixing frame, and an adjusting rod. The key switch fixing frame is fixed in the shell, the key switch is fixed in the key switch fixing frame, the knob is protruded on the outer side of the shell and can be rotationally limited on the shell, the button is located in the middle part of the knob, the rear part of the button is connected with the key switch, one end of the adjusting rod is connected with the knob, and the other end is connected with a control shaft. The knob is rotated to drive the control shaft synchronously.
2. The rotary and push combination knob of claim 1, wherein: The other end of the adjusting rod is connected with a control shaft of a temperature controller, the knob is rotated to drive the adjusting rod and the control shaft of the temperature controller to rotate synchronously to realize temperature adjustment. The key switch is electrically connected with a synchronous motor, and the button is pressed and released to drive the key switch to control the start and stop of the motor.
3. The rotary and push combination knob of claim 1, wherein: The front end of the button forms a pressing part, and the back surface of the pressing part is abutted with at least one reset spring located in the middle part of the knob. The button is pressed relative to the knob to extrude the reset spring.
4. The rotary and push combination knob of claim 1, wherein: The shell of the product body is provided with an opening through which the knob passes, and the back part of the knob extends backward to be provided with a hook which is clamped on the back surface of the shell.
5. The rotary and push combination knob as claimed in claim 1 or 4, wherein: The back part of the knob extends backward to be provided with a plurality of rear protrusions located in the shell. The adjusting rod comprises a cross rod provided with hooking parts at two ends. One of the hooking parts is hookingly fixed on the rear protrusion of the knob, and the other hooking part is hookingly fixed on the control shaft.
6. The rotary and push combination knob of claim 2, wherein: The temperature controller and the key switch are directly connected with alternating current power supply.
7. An electric griddle comprising a griddle provided on a griddle body, characterized by: The shell of the baking tray body is provided with the composite knob as claimed in any one of claims 1 to 6, and the baking tray body is provided with a temperature controller and a synchronous motor.
8. The electric griddle of claim 7, wherein: The baking tray body is further provided with a heating pipe, a synchronous motor fixing frame, and a fixing sheet. The heating pipe is located below the baking tray, the temperature controller is connected with the heating pipe through wiring, the synchronous motor is fixed in the synchronous motor fixing frame, the transmission shaft of the synchronous motor is connected with the fixing sheet to drive the fixing sheet to rotate, and the fixing sheet is limited on the bottom of the baking tray to drive the baking tray to rotate synchronously.
9. The electric griddle of claim 8, wherein: The middle part of the baking tray forms a vacancy, and a placing tray is arranged in the vacancy. The fixing sheet is limited on the bottom of the placing tray, and the synchronous motor drives the placing tray to rotate.
10. The electric griddle of claim 9, wherein: The placing tray is in the shape of a disc, and the middle part and the periphery of the placing tray are separated to form a plurality of placing areas. Some of the placing areas are provided with placing dishes.