CN209992871U

CN209992871U - Temperature control device and cooking appliance using same

Info

Publication number: CN209992871U
Application number: CN201920971060.6U
Authority: CN
Inventors: 李一峰; 丁德新; 赖小春
Original assignee: Bear Electrical Appliance Co Ltd
Current assignee: Bear Electrical Appliance Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-01-24
Anticipated expiration: 2029-06-25

Abstract

The utility model belongs to the technical field of cooking equipment, in particular to a temperature control device and a cooking appliance using the same, which comprises a driving component, a transmission component and an adjustable temperature controller, wherein the adjustable temperature controller comprises a temperature sensing element and a rotatable adjusting shaft, the driving component comprises a driving shaft and a driving structure, the transmission component comprises a transmission shaft and a transmission structure, the driving structure comprises a plurality of first convex parts which are arranged at the periphery of the driving shaft at intervals, the first convex parts extend towards the outer side of the driving shaft, the transmission structure comprises a plurality of second convex parts which are arranged at the periphery of the transmission shaft at intervals, the second convex parts extend towards the outer side of the driving shaft, the plurality of first convex parts and the plurality of second convex parts are engaged in a staggered way, an included angle is arranged between the driving shaft and the transmission shaft, the driving shaft drives the first convex parts to rotate synchronously so as to drive the adjusting shaft to rotate synchronously through the second convex, the structure is simple, the compatibility is good, and the assembly is convenient.

Description

Temperature control device and cooking appliance using same

Technical Field

The utility model belongs to the technical field of cooking equipment, specifically be a temperature control device and use its cooking device.

Background

In order to meet the cooking requirements of different food materials and formulas, a temperature control device is required to be arranged to adjust the temperature during cooking, a common temperature adjustment mode is to adopt a mechanical adjustable temperature controller to adjust and control the temperature, the mechanical adjustable temperature controller is required to be arranged at the center of a heating container or close to the center, for example, the mechanical adjustable temperature controller is arranged at the center of the bottom of a baking tray, but the heating container such as the baking tray is large in size, a knob for controlling the adjustable temperature controller is generally arranged on the side part of a shell, the distance between the knob and the adjustable temperature controller is far, a transmission assembly is required to be arranged to connect the knob and the adjustable temperature controller, and particularly, the transmission assembly is difficult to design under the condition that the knob and an adjusting shaft of the adjustable temperature controller are non-coaxial or non-.

Chinese patent CN107450654B discloses a transmission structure applied to a cooking device with an inclined knob, which adopts a universal joint transmission mechanism and a gear transmission mechanism to realize the connection between the inclined knob and an adjustable temperature controller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a temperature control device that drive shaft adjustable temperature controller regulating spindle slope set up relatively, its simple structure, it is compatible good, the assembly of being convenient for.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a temperature control device comprises a driving component, a transmission component and an adjustable temperature controller, wherein the adjustable temperature controller comprises a temperature sensing element and a rotatable adjusting shaft, the driving assembly comprises a driving shaft and a driving structure, the transmission assembly comprises a transmission shaft and a transmission structure, the driving structure comprises a plurality of first convex parts arranged on the periphery of the driving shaft at intervals, the first convex parts extend towards the outer side of the driving shaft, the transmission structure comprises a plurality of second convex parts arranged on the periphery of the transmission shaft at intervals, the second convex parts extend towards the outer side of the driving shaft, the plurality of first convex parts and the plurality of second convex parts are engaged in a staggered way, an included angle is arranged between the driving shaft and the transmission shaft, the driving shaft drives the first convex part to synchronously rotate so as to drive the transmission shaft to drive the adjusting shaft to synchronously rotate through the second convex part.

Compared with the prior art, the utility model provides a temperature control device is equipped with a plurality of first convex parts and a plurality of second convex parts of crisscross interlock, when adjusting the control by temperature change scope of adjustable temperature controller, only needs to rotate the drive shaft and drives first convex part and rotate in step, alright order about the second convex part and rotate to the regulating spindle that drives the adjustable temperature controller of transmission shaft intercommunication rotates, in order to realize the regulation of control by temperature change scope. In addition, in order to ensure the temperature sensing effect of the temperature controller, the existing temperature controller is usually arranged at the center of the bottom side of the baking tray, the installation position of the temperature controller is generally unchanged for different products, but the position of the knob can be changed according to different product shapes, so that the position relation between the temperature controller adjusting shaft and the knob is different for different products, the temperature control device with the non-adjustable matching angle between the transmission shaft and the drive shaft cannot be compatible with the products, and the temperature control device provided by the utility model can adjust the included angle between the drive shaft and the transmission shaft according to the position of the product knob because the first convex part and the second convex part both extend to enough length, for example, the included angle is obtuse, thereby adapting products with various knobs and adjustable temperature controller adjusting shafts which are not coaxial, the utility model discloses a transmission mode simple structure, the spare part that needs is less, is favorable to the assembly, and its structural control precision is high, and the operation does not have the jamming and feels.

As a first arrangement manner of the first and second protrusions, the first protrusion is disposed perpendicular to the axis of the driving shaft so that the first protrusion is located on the sidewall of the driving shaft and forms a scattering structure, the second protrusion is disposed perpendicular to the axis of the driving shaft so that the second protrusion is located on the sidewall of the driving shaft and forms a scattering structure, and the first and second protrusions are disposed in a scattering structure extending in the lateral direction, so that the lengths of the driving assembly and the driving assembly can be shortened to save a space required for assembly, thereby adapting to a cooking appliance having a specific internal structural layout.

As a second arrangement manner of the first and second protrusions, the first protrusion is disposed parallel to the axis of the driving shaft so that the first protrusion is located at the end of the driving shaft, and the second protrusion is disposed parallel to the axis of the driving shaft so that the second protrusion is located at the end of the driving shaft, and the first and second protrusions are disposed in a vertically extending structure, so that the widths of the driving assembly and the driving assembly can be reduced, and a space required for assembly can be saved, thereby adapting to a cooking appliance with a specific internal structural layout.

Furthermore, the number of the first convex parts and the number of the second convex parts are the same; and/or, adjacent two contained angle between the first convex part is equal with adjacent two contained angle between the second convex part, and the suitability between drive structure and the transmission structure can be guaranteed in the aforesaid setting, makes the transmission effect between drive structure and the transmission structure, improves temperature control device's control precision.

Furthermore, the first convex part and/or the second convex part are of columnar structures, the cross section of each columnar structure in the direction perpendicular to the axis of the columnar structure is circular, polygonal, elliptical or irregular, the first convex part and the second convex part are arranged into columnar structures, the contact range between the first convex part and the second convex part can be enlarged, the driving structure and the transmission structure can be smoothly meshed when the driving shaft rotates, and the control accuracy of the driving shaft and the transmission structure is guaranteed.

Furthermore, first convex part with drive shaft formula injection structure as an organic whole, the second convex part with transmission shaft formula injection structure as an organic whole, the shaping mode process of above-mentioned first convex part and second convex part is simple, and the production is made conveniently, adopts the integral type structure can avoid appearing the fit error between first convex part and the drive shaft, between second convex part and the transmission shaft, therefore the above-mentioned setting can improve the transmission precision between first convex part and drive shaft, second convex part and the transmission shaft.

Furthermore, the transmission shaft comprises a first shaft section and a second shaft section, the first shaft section is connected with the transmission structure, the second shaft section comprises an assembly hole formed along the axis of the second shaft section, the adjusting shaft is at least partially inserted into the assembly hole during assembly, and the adjusting shaft can stretch out and draw back inside and outside relative to the second shaft section. As mentioned above, the existing thermostat is usually installed at the center of the bottom side of the baking tray, the position relationship between the thermostat adjusting shaft and the knob is different for different products, the adoption of the thermostat with non-adjustable length will not be compatible with the above products, when the temperature control device provided by the utility model is assembled, the adjustable temperature controller is firstly installed, then the second shaft section and the adjusting shaft are connected, then the first shaft section is pulled to one side close to the driving shaft, because the second shaft section and the adjusting shaft can move relatively, the second shaft section can adjust the depth of the adjusting shaft inserted into the assembling hole according to the position of the driving structure while pulling the first shaft section, thereby adjust its length according to the overall arrangement of product temperature controller and knob to combine the variable mode of setting of angle between transmission shaft and the drive shaft, the culinary art electrical apparatus of various sizes of better adaptation improves temperature control device's compatibility.

Further, the driving structure is a first crown gear, the first crown gear is coaxially connected with the driving shaft, and the first convex part is gear teeth on the first crown gear. The transmission structure is a second crown gear, the second crown gear is coaxially connected with the transmission shaft, the second convex part is gear teeth on the second crown gear, the design and production difficulty of the temperature control device can be reduced by directly adopting the crown gear, the crown gear on the market can be directly purchased according to the parameters of the product, and non-standard parts do not need to be additionally designed.

The utility model also provides an use above-mentioned temperature control device's cooking device, it includes base, overware and foretell temperature control device, temperature control device locates in the base, the base outside is equipped with the connection the knob of drive shaft, overware detachably installs the base upside, adjustable temperature controller still includes the temperature sensing piece, works as the overware is installed when on the base, the temperature sensing piece with the bottom contact of overware. Because the utility model provides a cooking device has adopted foretell temperature control device, utilizes the characteristics that its suitability is good, and when product research and development, the multiplicable selection that more knobs set up the position to and increase more control panel structural design's layout mode, reduce the degree of difficulty of product design, including temperature control device simple structure's characteristics, can reduce the manufacturing cost and the material cost of product.

Furthermore, one end, close to the driving shaft, of the transmission shaft is provided with a positioning hole extending inwards along the axis of the transmission shaft, the base is provided with a cylindrical positioning seat corresponding to the positioning hole, the transmission shaft is rotatably sleeved outside the positioning seat through the positioning hole, and the positioning hole and the positioning seat are arranged to facilitate positioning and installation of the transmission shaft.

Furthermore, the temperature sensing piece can move up and down relative to the base, an elastic floating piece is arranged between the temperature sensing piece and the base, when the baking tray is installed on the base, the elastic floating piece drives the temperature sensing piece to upwards abut against the bottom of the baking tray, the temperature sensing piece is matched with the bottom of the baking tray in an up-and-down floating mode, the temperature sensing piece is in close contact with the bottom of the baking tray, and the temperature control accuracy of the adjustable temperature controller is improved.

Further, still be provided with the movable shell on the base, the movable shell card is established on the base the movable shell orientation be provided with the spacing groove on one side of overware, the peripheral ring of transmission shaft is equipped with the bellying, the second convex part is located on the bellying, work as the both ends of transmission shaft respectively with the drive shaft with the regulating shaft is connected the back, and part the second convex part is arranged in the spacing inslot, so that the lateral part of bellying with the inside wall looks butt of spacing groove sets up detachable movable shell and is convenient for temperature control device's routine maintenance to the assembly position of second convex part can be injectd to the cooperation mode between spacing groove and the bellying, appears the skew when preventing it from rotating.

Drawings

FIG. 1 is a perspective view of a temperature control device;

FIG. 2 is a cross-sectional view of a temperature control device;

FIG. 3 is a schematic view of the adjustment shaft engaging the drive shaft;

FIG. 4 is a schematic view of a driving structure and a transmission structure of the second embodiment;

FIG. 5 is a schematic structural diagram of the cooking appliance;

fig. 6 is a section M-M in fig. 5.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

The first embodiment is as follows:

referring to fig. 1 and 2, the present embodiment provides a temperature control device, including a driving assembly 10, a transmission assembly 20 and an adjustable temperature controller 30, where the adjustable temperature controller 30 includes a temperature sensing sheet 31, a temperature sensing element and a rotatable adjusting shaft 32, the temperature sensing sheet 31 is used for contacting a heating container, such as a baking tray, to improve the heat transfer efficiency between the adjustable temperature controller 30 and the heating container, so as to make the temperature sensing more accurate, and the material of the temperature sensing sheet 31 is preferably aluminum; the temperature sensing element is used for sensing the change of ambient temperature, for example, a bimetallic disc is used as the temperature sensing element; the temperature control range of the adjustable temperature controller 30 can be adjusted by rotating the adjusting shaft 32.

Referring to fig. 1 and 2, the driving assembly 10 includes a driving shaft 11 and a driving structure 12, the transmission assembly 20 includes a transmission shaft 21 and a transmission structure 22, an included angle α is formed between the driving shaft 11 and the transmission shaft 21, one end of the transmission shaft 21 is connected to the adjusting shaft 32, and the other end of the transmission shaft is matched with the driving structure 12 through the transmission structure 22.

Referring to fig. 1 and 2, the driving structure 12 includes a plurality of first protrusions 121 spaced apart from each other on the outer periphery of the driving shaft 11, and the first protrusions 121 are disposed perpendicular to the axis of the driving shaft 11, such that the first protrusions 121 are located on the side wall of the driving shaft 11 and form a scattering structure, and as a specific embodiment, the first protrusions 121 and the driving shaft 11 are a unitary structure, for example, formed by integral injection molding; or the drive structure 12 is a separate component; the driving shaft 11 further includes a first mounting ring 122 sleeved on the outer periphery thereof, and the first protrusion 121 is annularly disposed on the outer periphery of the first mounting ring 122.

Referring to fig. 1 and 2, the transmission structure 22 includes a plurality of second protrusions 221 spaced at intervals on the outer periphery of the transmission shaft 21, and the second protrusions 221 are disposed perpendicular to the axis of the transmission shaft 21, so that the second protrusions 221 are located on the side wall of the transmission shaft 21 and form a scattering structure, and as a specific embodiment, the second protrusions 221 and the transmission shaft 21 are an integral structure, for example, formed by integral injection molding; or the transmission structure 22 is a separate component; the transmission shaft 21 further includes a second mounting ring 222 sleeved on the outer periphery of the transmission shaft, the second protrusion 221 is annularly disposed on the outer periphery of the second mounting ring 222, and the second mounting ring 222 protrudes outward beyond the side wall of the transmission shaft 21 to form a protrusion.

Providing the first and

second protrusions

121 and 221 in a laterally extending scattering structure can shorten the length of the driving assembly 10 and the transmission assembly 20 to save space required for assembly, thereby adapting to a cooking appliance of a specific internal structural layout. The first convex part 121 and the second convex part 221 are simple in molding mode and process, convenient to produce and manufacture, and capable of avoiding matching errors between the first convex part 121 and the driving shaft 11 and between the second convex part 221 and the transmission shaft 21 by adopting an integrated structure, so that the arrangement can improve the transmission accuracy between the first convex part 121 and the driving shaft 11 and between the second convex part 221 and the transmission shaft 21.

Referring to fig. 1 and 2, the plurality of first protrusions 121 and the plurality of second protrusions 221 are engaged with each other in a staggered manner, so that two adjacent first protrusions 121 are engaged with a corresponding second protrusion 221, and rotating the driving shaft 11 drives the first protrusions 121 to rotate synchronously, so that the second protrusions 221 drive the transmission shaft 21 to drive the adjustment shaft 32 to rotate synchronously.

Compared with the prior art, the utility model provides a temperature control device is equipped with a plurality of first convex parts 121 and a plurality of second convex part 221 of crisscross complex, when adjusting the temperature control scope of adjustable temperature controller 30, only needs to rotate drive shaft 11 and drives first convex part 121 and rotate in step, alright order about second convex part 221 and rotate to drive transmission shaft 21 and communicate the adjusting spindle 32 rotation of adjustable temperature controller 30, in order to realize the regulation of temperature control scope. In addition, in order to ensure the temperature sensing effect of the temperature controller, the existing temperature controller is usually arranged in the center of the bottom side of the baking tray, the installation position of the temperature controller is generally unchanged for different products, but the position of the knob may be changed according to different product shapes, therefore, the position relationship between the temperature controller adjusting shaft and the knob is different for different products, the temperature controller with the non-adjustable matching angle between the transmission shaft and the drive shaft cannot be compatible with the products, and the temperature controller provided by the utility model can adjust the included angle between the drive shaft 11 and the transmission shaft 21 within a wider included angle range, for example, the included angle is an obtuse angle, according to the position of the product knob, thereby adapting products with various knobs and the adjustable temperature controller 30 adjusting shaft 32 not coaxial, for example, can use the product at the relative regulating spindle 32 slope of knob, compare with current universal joint formula drive mechanism and gear drive mechanism complex transmission, the utility model discloses a transmission simple structure, the spare part that needs is less, is favorable to the assembly, and its structural control precision is high, and the operation does not have the jamming and feels. And compare with the mode that adopts between two bevel gears among the transmission technology to change direction of drive, the utility model discloses an adaptability is stronger, and drive shaft 11 can change according to the demand adaptability of product angle with transmission shaft 21 in certain angle range, and the mode of meshing between the traditional bevel gear if need change the contained angle between two axles, then must revise bevel gear's parameter again, relatively speaking the utility model discloses it is more practical.

Referring to fig. 1 and 2, the number of the first protrusions 121 and the second protrusions 221 is the same; adjacent two contained angle between the first convex part 121 and adjacent two contained angle between the second convex part 221 equals, and the suitability between drive structure 12 and the transmission structure 22 can be guaranteed in above-mentioned setting, makes the transmission effect between drive structure 12 and the transmission structure 22, improves temperature control device's control precision.

Referring to fig. 1 and 2, the first protrusion 121 and the second protrusion 221 are cylindrical structures, and the cross section of the cylindrical structures perpendicular to the axial direction of the first protrusion 121 and the second protrusion 221 is circular, polygonal, elliptical or irregular, so that the contact range between the first protrusion 121 and the second protrusion 221 can be increased by arranging the cylindrical structures to ensure that the driving structure 12 and the transmission structure 22 can be smoothly engaged when the driving shaft 11 rotates, and the control accuracy of the driving structure 12 and the transmission structure 22 is ensured.

Referring to fig. 1 and 2, an included angle α between the driving shaft 11 and the transmission shaft 21 is greater than or equal to 90 degrees, and the setting mode of the above-mentioned angle can be applied to a cooking appliance in which a knob is obliquely arranged relative to an adjusting shaft 32 of an adjustable temperature controller 30, so that the difficulty of the layout of parts during the design of the cooking appliance can be reduced, more design ideas and schemes are provided, and the limitation during the design is reduced.

Referring to fig. 1 to 3 and 6, the transmission shaft 21 includes a first shaft section 211 and a second shaft section 212, the first shaft section 211 is connected to the transmission structure 22, the second shaft section 212 includes an assembly hole 210 formed along an axis thereof, the adjustment shaft 32 is at least partially inserted into the assembly hole 210 during assembly, and the adjustment shaft 32 is capable of extending and retracting inside and outside relative to the second shaft section 212. As mentioned above, the existing thermostat 30 is usually disposed at the center of the bottom side of the baking tray, for different products, the position relationship between the thermostat adjusting shaft 32 and the knob is different, and the temperature control device with non-adjustable length is not compatible with the above products, however, when the temperature control device provided by the present invention is assembled, the adjustable thermostat 30 is installed first, then the second shaft section 212 and the adjusting shaft 32 are connected, and then the first shaft section 211 is pulled to one side close to the driving shaft 11, because the second shaft section 212 and the adjusting shaft 32 can move relatively, while pulling the first shaft section 211, the second shaft section 212 can adjust the depth of the adjusting shaft 32 inserted into the assembling hole 120 according to the position of the driving structure 12, thereby adjusting the length of the product thermostat 30 and the knob according to the layout, and combining the setting mode of variable angle between the driving shaft 21 and the driving shaft 11, better adapting to the cooking appliances with various sizes, the compatibility of the temperature control device is improved. Specifically, the lengths of the assembly hole 120 and the adjusting shaft 32 are set to be long enough according to the structure position of the product, so that the adjusting shaft 32 is ensured to have enough length to be adjusted, and after the first shaft section 211 is pulled in place, the adjusting shaft 32 is still located in the assembly hole 210, and the adjusting shaft 32 is ensured not to be loosened from the assembly hole 210 in the assembly process. Preferably, the fitting hole 210 and the adjusting shaft 32 are configured to be matched in a D-shaped structure.

Example two:

referring to fig. 4, the present embodiment is different from the first embodiment in the arrangement of the driving structure 12 and the transmission structure 22, the first protrusion 121 of the present embodiment is arranged parallel to the axis of the driving shaft 11, such that the first protrusion 121 is located at the end of the driving shaft 11, the second protrusion 221 is arranged parallel to the axis of the transmission shaft 21, such that the second protrusion 221 is located at the end of the transmission shaft 21, and the first protrusion 121 and the second protrusion 221 are arranged in a vertically extending structure, so that the widths of the driving assembly 10 and the transmission assembly 20 can be reduced, and the space required for assembly can be saved, thereby adapting to the cooking appliance with a specific internal structure layout.

Preferably, the driving structure 12 is a first crown gear 120, the first crown gear 120 is coaxially connected with the driving shaft 11, and the first convex portion 121 is a gear tooth on the first crown gear 120. The transmission structure 22 is a second crown gear 220, the second crown gear 220 is coaxially connected with the transmission shaft 21, the second convex part 221 is a gear tooth on the second crown gear 220, the design and production difficulty of the temperature control device can be reduced by directly adopting the crown gear, and the crown gear on the market can be directly purchased according to the parameters of the product without additionally designing a non-standard part.

Other technical features of the present embodiment are the same as those of the first embodiment, and will not be described in detail herein.

Example three:

referring to fig. 1 to 6, the present embodiment provides a cooking appliance applying the temperature control device 100 of the first embodiment or the second embodiment, which includes a base 41, a baking tray 42 and the temperature control device 100, wherein the temperature control device 100 is disposed in the base 41, a knob 43 connected to the driving shaft 11 is disposed outside the base 41, the baking tray 42 is detachably mounted on the upper side of the base 41, and when the baking tray 42 is mounted on the base 41, the temperature sensing piece 31 contacts with the bottom of the baking tray 42. Because the utility model provides a cooking device has adopted foretell temperature control device 100, utilizes the characteristics that its suitability is good, and when the product research and development, multiplicable more knobs 43 set up the selection of position to and increase more control panel structural design's layout mode, reduce the degree of difficulty of product design, including the characteristics of temperature control device 100 simple structure, can reduce the manufacturing cost and the material cost of product.

Referring to fig. 6, one end of the transmission shaft 21, which is located near the driving shaft 11, is provided with a positioning hole 213 extending inward along the axis thereof, the base 41 is provided with a cylindrical positioning seat 411 corresponding to the positioning hole 213, the transmission shaft 21 is rotatably sleeved outside the positioning seat 411 through the positioning hole 213, and the positioning hole 213 and the positioning seat 411 are provided to facilitate positioning and installation of the transmission shaft 21. As a specific implementation manner, the positioning hole 213 penetrates through the first shaft section 211 along the axis of the transmission shaft 21, so that the first shaft section 211 forms a hollow structure, and the hollow structure is arranged in a manner that facilitates processing and reduces processing difficulty. During assembly, the adjustable temperature controller 30 is installed firstly, then the second shaft section 212 and the adjusting shaft 32 are connected, then the first shaft section 211 is pulled to one side close to the driving shaft 11, the first shaft section 211 is sleeved on the positioning seat 411 through the positioning hole 213, and the installation of the transmission shaft 21 is realized.

Referring to fig. 6, the temperature sensing piece 31 can move up and down relative to the base 41, an elastic floating member 44 is disposed between the temperature sensing piece 31 and the base 41, the elastic floating member 44 is preferably a spring, when the baking tray 42 is mounted on the base 41, the elastic floating member 44 drives the temperature sensing piece 31 to abut against the bottom of the baking tray 42, and the temperature sensing piece 31 is adapted to the bottom of the baking tray 42 in an up-and-down floating manner, so that the temperature sensing piece 31 and the baking tray 42 are in close contact, thereby improving the temperature control accuracy of the adjustable temperature controller 30.

Referring to fig. 6, a movable shell 412 is further disposed on the base 41, the movable shell 412 is clamped on the base 41, a limiting groove 413 is disposed on a side of the movable shell 412 facing the baking tray 42, when two ends of the transmission shaft 21 are respectively connected to the driving shaft 11 and the adjusting shaft 32, a part of the second protrusion 221 is disposed in the limiting groove 413, so that a side portion of the second mounting ring 222 is abutted against an inner side wall of the limiting groove 413, the removable movable shell 412 is disposed to facilitate daily maintenance of the temperature control device 100, and an assembly position of the second protrusion 221 can be defined by a matching manner between the limiting groove 413 and the second mounting ring 222, so as to prevent the second protrusion 221 from deviating during rotation.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The temperature control device comprises a driving assembly, a transmission assembly and an adjustable temperature controller, wherein the adjustable temperature controller comprises a temperature sensing element and a rotatable adjusting shaft, the driving assembly comprises a driving shaft and a driving structure, and the transmission assembly comprises a transmission shaft and a transmission structure;

the method is characterized in that: the drive structure includes that the interval is located a plurality of first convex parts of drive shaft periphery, first convex part to the outside of drive shaft extends, transmission structure includes that the interval is located a plurality of second convex parts of drive shaft periphery, the second convex part to the outside of drive shaft extends, a plurality of first convex parts with the crisscross interlock of a plurality of second convex parts, the drive shaft with be equipped with the contained angle between the drive shaft, the drive shaft drives first convex part synchronous rotation, with pass through the second convex part drives the drive shaft orders about the regulating spindle synchronous rotation.

2. The temperature control device according to claim 1, characterized in that:

the first convex part is arranged perpendicular to the axis of the driving shaft, so that the first convex part is positioned on the side wall of the driving shaft and forms a scattering structure, and the second convex part is arranged perpendicular to the axis of the transmission shaft, so that the second convex part is positioned on the side wall of the transmission shaft and forms a scattering structure;

alternatively, the first protrusion is disposed parallel to an axis of the driving shaft such that the first protrusion is located at an end of the driving shaft, and the second protrusion is disposed parallel to an axis of the transmission shaft such that the second protrusion is located at an end of the transmission shaft.

3. The temperature control device according to claim 1, characterized in that: the first convex part and/or the second convex part are of columnar structures.

4. The temperature control device according to claim 1, characterized in that: the first convex part and the driving shaft are of an integrated injection molding structure;

and/or the second convex part and the transmission shaft are in an integral injection molding structure.

5. The temperature control device according to claim 1, characterized in that: the transmission shaft comprises a first shaft section and a second shaft section, and the first shaft section is connected with the transmission structure; the second shaft section comprises an assembling hole formed along the axis of the second shaft section, the adjusting shaft is at least partially inserted into the assembling hole during assembling, and the adjusting shaft can stretch out and draw back inwards and outwards relative to the second shaft section.

6. The temperature control device according to claim 1, characterized in that: the driving structure is a first crown gear, the first crown gear is coaxially connected with the driving shaft, and the first convex part is gear teeth on the first crown gear;

the transmission structure is a second crown gear, the second crown gear is coaxially connected with the transmission shaft, and the second convex part is gear teeth on the second crown gear.

7. Cooking appliance, its characterized in that: the adjustable temperature controller comprises a base, a baking tray and the temperature control device according to any one of claims 1 to 6, wherein the temperature control device is arranged in the base, a knob connected with the driving shaft is arranged outside the base, the baking tray is detachably arranged on the upper side of the base, and the adjustable temperature controller further comprises a temperature sensing piece which is in contact with the bottom of the baking tray when the baking tray is arranged on the base.

8. The cooking appliance according to claim 7, wherein: the transmission shaft is located one end that is close to the drive shaft and is equipped with along its axis inwards extending's locating hole, the base corresponds the locating hole is equipped with cylindric positioning seat, the transmission shaft passes through the locating hole rotationally the cover joint is in the outside of positioning seat.

9. The cooking appliance according to claim 7, wherein: the temperature sensing piece can move up and down relative to the base, an elastic floating piece is arranged between the temperature sensing piece and the base, and when the baking tray is installed on the base, the elastic floating piece drives the temperature sensing piece to upwards abut against the bottom of the baking tray.

10. The cooking appliance according to any one of claims 7 to 9, wherein: still be provided with the movable shell on the base, the movable shell card is established on the base the movable shell orientation be provided with the spacing groove on one side of overware, the peripheral ring of transmission shaft is equipped with the bellying, the second convex part is located on the bellying, work as the both ends of transmission shaft respectively with the drive shaft with the regulating shaft is connected the back, and the part the second convex part is arranged in the spacing inslot, make the lateral part of bellying with the inside wall looks butt of spacing groove.