CN110960076A

CN110960076A - Cooking utensil and pot lid that is used for cooking utensil

Info

Publication number: CN110960076A
Application number: CN201811138743.XA
Authority: CN
Inventors: 杨长胜; 陈炜杰; 何柏锋
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2020-04-07
Anticipated expiration: 2038-09-28
Also published as: CN110960076B

Abstract

The invention discloses a cooking appliance and a pot cover for the same, the pot cover comprises: a pot cover body; the signal input seat is suitable for being connected with a main control board of the cooking appliance and comprises a mounting seat connected with the cooker cover body and an electrode plate arranged on the mounting seat, and the electrode plate is electrically connected with an external power supply; the ultrasonic vibrator device is mounted on the pot cover body and is provided with an electrode part connected with the electrode plate. The ultrasonic vibrator device for the pot cover of the cooking appliance has the advantages of simple electric connection structure with the main control board, simplicity and easiness in installation and convenience in disassembly and assembly.

Description

Cooking utensil and pot lid that is used for cooking utensil

Technical Field

The invention relates to the technical field of cooking appliances, in particular to a cooking appliance and a pot cover for the cooking appliance.

Background

In the related art, the ultrasonic transducer is directly connected with the anode, the cathode and the grounding wire of the electric control plate through the power supply so as to realize signal transmission, the connecting structure is complex, the ultrasonic transducer cannot be disassembled, or the disassembling steps are complex, so that the cleaning of the ultrasonic transducer is inconvenient.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide a pot cover for a cooking appliance, in which an electrical connection structure between an ultrasonic vibrator device and a main control board is simple.

Another object of the present invention is to provide a cooking appliance with the above-mentioned lid.

A pot cover for a cooking appliance according to an embodiment of the present invention includes: a pot cover body; the signal input seat is suitable for being connected with a main control board of the cooking appliance and comprises a mounting seat connected with the cooker cover body and an electrode plate arranged on the mounting seat, and the electrode plate is connected with an external power supply; the ultrasonic vibrator device is mounted on the pot cover body and is provided with an electrode part connected with the electrode plate.

The ultrasonic vibrator device for the pot cover of the cooking appliance has the advantages of simple electric connection structure with the main control board, simplicity and easiness in installation and convenience in disassembly and assembly.

In addition, the pot cover for the cooking appliance according to the above embodiment of the present invention may further have the following additional technical features:

according to the pot cover for the cooking utensil, the mounting seat is provided with the mounting groove with the downward opening, the electrode piece extends into the mounting groove, and the electrode part is arranged at the upper part of the ultrasonic vibrator device and extends into the mounting groove.

Further, the electrode plate comprises a positive plate, a negative plate and a grounding plate, one of the positive plate, the negative plate and the grounding plate is a strip-shaped body which extends into the mounting groove along the axial direction of the mounting seat, and the other two of the positive plate, the negative plate and the grounding plate are an inner annular body and an outer annular body which are nested with each other and surround the strip-shaped body.

Further, the roof of mounting groove is equipped with first mounting hole, a plurality of second mounting hole and a plurality of third mounting hole, the bar body wears to establish in the first mounting hole, the last week of interior annular body is equipped with a plurality of one-to-one along inserting and establishing a plurality of interior installation foot in the second mounting hole, the last week of outer annular body is equipped with a plurality of one-to-one along inserting and establishing a plurality of outer installation foot in the third mounting hole, wherein, the earth terminal of earth conductor, the positive terminal of anodal wire, the negative terminal of negative pole wire that the main control board is connected respectively with the upper portion of bar body, one of them the upper portion of interior installation foot and one of them the upper portion of outer installation foot link to each other.

Optionally, at least one second mounting hole department is equipped with upwards the protrusion the upper surface of mount pad just is used for right interior installation foot carries out the second locating surface of radial positioning, at least one third mounting hole department is equipped with upwards the protrusion the upper surface of mount pad just is used for right outer installation foot carries out the third locating surface of radial positioning.

According to some embodiments of the invention, in another one or more of the inner mounting feet, at least one of the inner mounting feet has a gap to form two anti-falling feet which can be bent to stop at the upper side of the mounting seat; in another or a plurality of the outer mounting feet, at least one outer mounting foot is provided with a gap to form two anti-falling supporting feet, and the two anti-falling supporting feet can be bent to stop at the upper side of the mounting seat.

In some embodiments of the present invention, the top wall of the mounting groove is further provided with a first positioning groove and a second positioning groove, the upper peripheral edge of the inner annular body is provided with a first positioning rib protruding inwards and fitting in the first positioning groove, and the upper peripheral edge of the outer annular body is provided with a second positioning rib protruding inwards and fitting in the second positioning groove.

According to some embodiments of the invention, the lid body comprises: an outer cover assembly; locate the inboard inner cup subassembly of enclosing cover subassembly, signal input seat is established the enclosing cover subassembly with between the inner cup subassembly, be equipped with on the inner cup subassembly with the hole of dodging that the mounting groove position corresponds, the ultrasonic vibrator device passes the hole of dodging stretches into the mounting groove.

Further, the mount includes: a connection portion connected with the inner cap assembly; the installation department, the installation department with connecting portion link to each other, the mounting groove is located the installation department, the electrode slice with the installation department links to each other.

The pot cover according to a further embodiment of the present invention further comprises: the connecting seat is arranged between the connecting part and the inner cover component to connect the connecting part and the inner cover component.

Furthermore, the connecting seat is supported by the inner cover assembly and is connected with the inner cover assembly through a fastener, the connecting seat is provided with a positioning part, and the connecting part is provided with a positioning matching part matched with the positioning part.

Furthermore, the positioning matching part is a boss arranged at the edge of the connecting part, the boss is provided with a positioning hole which is communicated up and down, the positioning part is a positioning column, the peripheral surface of the positioning column is provided with a supporting table board, the upper part of the positioning column is inserted into the positioning hole, and the lower end surface of the boss is supported on the supporting table board.

In some embodiments of the invention, the connecting portion is further provided with a connecting hole located between the boss and the mounting portion, the connecting seat is provided with a connecting column, an inner hole corresponding to the connecting hole is formed in the connecting column, the lower surface of the connecting portion is supported on the connecting column, and a fastener is inserted into the connecting hole and the inner hole to connect the connecting portion and the connecting seat.

According to some embodiments of the invention, the pot cover further comprises: the sliding arm is used for driving the inner cover assembly to rotate, and the mounting seat is mounted below the sliding arm.

According to some embodiments of the invention, the ultrasonic vibrator device comprises: a body having a ground wire, a positive wire, and a negative wire; the power input seat is connected with the body, the electrode part comprises a positive electrode part, a negative electrode part and a grounding part, the positive electrode part, the negative electrode part and the grounding part are respectively conducting strips arranged on the power input seat, the positive electrode part is connected with the positive electrode wiring, the negative electrode part is connected with the negative electrode wiring, the grounding part is connected with the grounding wire, and the power input seat is connected with the signal input seat in an inserting mode.

Further, the body includes: the base is provided with a mounting hole; the ultrasonic transducer penetrates through the mounting hole, and the grounding wire, the positive wiring and the negative wiring are all electrically connected with the ultrasonic transducer; the amplitude transformer is arranged at one axial end of the ultrasonic transducer; the support, the support cover is established ultrasonic transducer's the axial other end and with the base links to each other, the support is equipped with the through wires hole, power input seat with the support links to each other.

The cooking appliance according to the embodiment of the invention comprises the pot cover for the cooking appliance according to the embodiment of the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a sectional view of an ultrasonic vibrator device according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at circle A;

fig. 3 is an exploded view of an ultrasonic vibrator device according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a power supply input socket of an ultrasonic vibrator device according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a pot cover according to an embodiment of the present invention, wherein the ultrasonic vibrator device is not included;

FIG. 6 is an enlarged schematic view of FIG. 5 at circle B;

fig. 7 is an exploded view of a pot cover according to an embodiment of the present invention, in which an ultrasonic vibrator device is not included;

fig. 8 is an exploded view of a signal input holder and a connection holder of the pot cover according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a pot lid according to an embodiment of the present invention, wherein the outer lid assembly is not included;

FIG. 10 is an enlarged schematic view of FIG. 9 at circle C;

fig. 11 is a schematic view of a connection structure of an ultrasonic vibrator device and a signal input seat of a pot cover according to an embodiment of the present invention;

fig. 12 is an enlarged structural view at circle D in fig. 11.

Reference numerals:

a pan cover 100;

a pot cover body 10; an outer cover assembly 11; an inner cap assembly 12; relief holes 121; a cover plate assembly 13;

a signal input socket 20; a mounting base 21; a mounting groove 211; a first mounting hole 212; a second mounting hole 213; a third mounting hole 214; a second positioning surface 215; a third locating surface 216; a first positioning groove 217; a positive electrode sheet 22; a negative electrode tab 23; inner mounting feet 231; the first positioning ribs 232; a ground plate 24; an outer mounting leg 241; the second positioning ribs 242; anti-drop legs 25; a connecting portion 26; a positioning fitting portion 261; positioning holes 262; a connection hole 263; a mounting portion 27;

an ultrasonic vibrator device 30; a body 31; a base 311; mounting holes 312; an ultrasonic transducer 313; a horn 314; a bracket 315; a threading hole 316; a water retaining edge 317; a limit foot 318; a seal 319; a power input socket 32; a wire-receiving cavity 321; a top cover 322; a socket 323; the accommodating groove 324; a partition 325; a side wall 326; a recess 327; a flange 328; a notch 329; a drain port 330; a positive electrode portion 33; a negative electrode part 34; a ground portion 35;

a connecting seat 40; a positioning portion 41; a support table 411; a connecting post 42; an inner bore 421;

a fastener 50;

a slide arm 60.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

A cooking appliance according to an embodiment of the present invention, a pot cover 100 for a cooking appliance according to an embodiment of the present invention, and an ultrasonic vibrator device 30 according to an embodiment of the present invention will be described below with reference to fig. 1 to 12.

Referring to fig. 1 to 4, an ultrasonic vibrator device 30 according to an embodiment of the present invention may include: a body 31 and a power input socket 32.

Specifically, the body 31 may have a threading hole 316, the power input socket 32 may be connected to the body 31, and the power input socket 32 may cover the threading hole 316. The power input socket 32 may be formed with a wire receiving cavity 321 in cooperation with the body 31, and the power input socket 32 may be provided with an electrode portion.

Therefore, the terminal of the body 31 can be led out from the threading hole 316 and extend to the wire accommodating cavity 321, so that the terminal can be electrically connected with the electrode part, the electrical connection of the body 31 is realized, and the ultrasonic vibrator device 30 can be connected with a driving power supply. The power input socket 32 may be used for power input, signal transmission, and the like.

In the related art, the power line of the ultrasonic transducer is open, and the power source is exposed, which easily causes water to enter the electrode, for example, in a cooking utensil comprising the ultrasonic transducer, the cooking utensil often needs to be cleaned, and during cleaning, water easily wets the power line to cause short circuit fault, serious even safety accident, and high risk. And the connection of the power cord is tedious, and the power installation is inconvenient.

In the present invention, as shown in fig. 1 and 2, the terminal of the body 31 is located in the wire accommodating cavity 321, the power input seat 32 is matched with the body 31 to shield the terminal, so that the terminal is not exposed, the wiring of the ultrasonic vibrator device 30 is a dark line, which reduces the risk of short circuit failure and even safety accident caused by water immersion into the electrode, so that the ultrasonic vibrator device 30 can work normally, and is safer and more reliable.

In addition, the ultrasonic vibrator device 30 can be connected with an external power supply through the power input seat 32, the wiring terminal is integrated in the power input seat 32, the whole body is formed into a component, the connection with the output end of the external power supply is convenient, the connection with the external power supply is not needed, the power input connection structure of the ultrasonic vibrator device 30 is simple, the installation is convenient and fast, and the connection is reliable. Alternatively, in some embodiments, the power input socket 32 may be detachably coupled to an external power source to facilitate the assembly and disassembly of the ultrasound transducer assembly 30, for cleaning or maintenance operations, and the like.

The ultrasonic vibrator device 30 according to the embodiment of the present invention has the power input socket 32, has a simple structure, can shield the terminal, and reduces the risk of short circuit and even safety accidents of the ultrasonic vibrator device 30 due to water inflow, so that the ultrasonic vibrator device 30 can work normally, and is safer and more reliable.

The cooking appliance according to the embodiment of the present invention includes the ultrasonic vibrator device 30 according to the embodiment of the present invention. Because the ultrasonic vibrator device 30 according to the embodiment of the present invention has the above-mentioned beneficial technical effects, the cooking appliance according to the embodiment of the present invention has a simple structure, can shield the terminal, and reduce the risk of short circuit and even safety accident of the ultrasonic vibrator device 30 due to water inflow, so that the ultrasonic vibrator device 30 can work normally, and is safer and more reliable.

In some embodiments of the present invention, as shown in fig. 2, the terminals may include a ground wire, a positive terminal and a negative terminal, and the power input socket 32 may be matched with the body 31 to shield the ground wire, the positive terminal and the negative terminal, so that the ground wire, the positive terminal and the negative terminal are not exposed, and the operation is safer. The electrode portion may include a positive electrode portion 33, a negative electrode portion 34, and a ground portion 35, wherein the positive electrode portion 33 may be electrically connected to a positive electrode wire, the negative electrode portion 34 may be electrically connected to a negative electrode wire, and the ground portion 35 may be electrically connected to a negative electrode wire.

Further, as shown in fig. 2, the power input socket 32 may include: top cover 322 and side walls 326. Wherein, the top cover 322 can be provided with a socket 323, and at least one of the grounding part 35, the positive part 33 and the negative part 34 can be arranged in the wire containing cavity 321 to reduce the risk of water inflow. And the grounding portion 35, the positive portion 33 or the negative portion 34 positioned in the wire accommodating cavity 321 may correspond to the position of the socket 323 so as to be coupled with an output structure of an external power supply, thereby simplifying a connection structure.

Optionally, in the present invention, the insertion holes 323 of the top cover 322 include at least one. When there is one insertion opening 323, one of the ground portion 35, the positive electrode portion 33, and the negative electrode portion 34 may be provided in the wire housing 321 corresponding to the position of the insertion opening 323. When there are two insertion holes 323, two of the ground portion 35, the positive electrode portion 33, and the negative electrode portion 34 may be provided in the wire housing 321 in one-to-one correspondence with the positions of the two insertion holes 323. When there are three insertion holes 323, the ground portion 35, the positive electrode portion 33, and the negative electrode portion 34 may be provided in the wire housing 321 in one-to-one correspondence with the positions of the three insertion holes 323.

According to a further embodiment of the present invention, as shown in fig. 2 and 4, the middle portion of the top cover 322 may be provided with an insertion opening 323, any one of the grounding portion 35, the positive portion 33 and the negative portion 34 may be provided in the wire accommodating cavity 321, and a projection of the grounding portion 35, the positive portion 33 or the negative portion 34 provided in the wire accommodating cavity 321 along the axial direction of the power input socket 32 may overlap with a projection of the insertion opening 323 located in the middle portion of the top cover 322 along the axial direction of the power input socket 32, where the projection may be partially overlapped or completely overlapped. After the external power supply extends into the wire accommodating cavity 321 from the middle socket 323, the external power supply can be inserted in the axial direction and directly connected with the grounding part 35, the positive electrode part 33 or the negative electrode part 34, so that the connection is more convenient and quicker.

In addition, as shown in fig. 2 and 4, the side gusset 326 can be attached to the perimeter of the top cover 322 and the body 31 can be attached to the side gusset 326. Therefore, the side wall 326 and the top cover 322 are matched to form a groove 327 which is opened towards the body 31, the body 31 can cover the groove 327 to form the line accommodating cavity 321, the line accommodating cavity 321 is simple in structure, and the water retaining effect is good.

It should be noted that the shape of the side wall 326 is not limited in the present invention. In some embodiments, the side wall 326 may extend axially. In other embodiments, the side wall 326 may not extend completely axially. For example, in the embodiment shown in fig. 2, the side wall 326 includes a straight cylinder section and a conical cylinder section, the straight cylinder section extends along the axial direction (i.e. the up-down direction in fig. 2), and the conical cylinder section extends obliquely relative to the axial direction along the direction close to the top cover 322 and towards the axial direction, so that the radial dimension of the top cover 322 can be smaller than that of the body 31, and the power input socket 32 is more suitable for the external connection structure (e.g. the signal input socket 20).

In some embodiments of the present invention, as shown in fig. 2 and 4, the top cover 322 may be provided with an accommodation groove 324 opened away from the body 31, any one of the ground portion 35, the positive electrode portion 33, and the negative electrode portion 34 may be provided in the accommodation groove 324, and a groove wall of the accommodation groove 324 may be provided with a wire hole. The ground wire, the positive wire, or the negative wire led out from the wire passing hole 316 may pass through the wire hole to be connected to the ground portion 35, the positive portion 33, or the negative portion 34 located within the accommodation groove 324.

It should be noted that, the shape, size and position of the wire hole are not limited in the present invention, and the wire hole may be disposed on the sidewall of the receiving groove 324 or on the bottom wall of the receiving groove 324. And the structure of the wire outlet hole is not shown in the drawings for the sake of simplicity of the structure, but it will be understood by those skilled in the art that the wire hole is provided on the groove wall of the receiving groove 324 for passing the wire according to the above description.

Further, as shown in fig. 4, the receiving groove 324 may be an annular groove extending in the circumferential direction of the power input socket 32, and a groove wall of the receiving groove 324 may protrude inward of the wire receiving cavity 321. Any two of the ground portion 35, the positive electrode portion 33, and the negative electrode portion 34 may be disposed in the accommodation groove 324, and the other may be connected to the inner side wall of the groove wall of the accommodation groove 324, that is, connected to the side wall of the accommodation groove 324 close to the axis, and be located in the space surrounded by the inner side wall of the accommodation groove 324. Thus, any two of the ground portion 35, the positive portion 33, and the negative portion 34 can be provided at a distance from each other, preventing occurrence of a short-circuit fault.

For example, in the embodiment shown in fig. 2, the housing groove 324 is an annular groove formed by the top cover 322 being recessed toward the wire housing cavity 321, the negative electrode part 34 is provided in the housing groove 324 and connected to a groove wall of the housing groove 324, the positive electrode part 33 is located in the wire housing cavity 321, and the positive electrode part 35 is connected to an inner side wall of the housing groove 324. The positive electrode portion 33 and the negative electrode portion 34 may be spaced apart from each other to prevent the electrical connection structure from being short-circuited.

Of course, in other embodiments, the component located in the receiving groove 324 may be the positive electrode portion 33 or the ground electrode portion 35, and the component located in the space surrounded by the inner side wall of the receiving groove 324 may be the negative electrode portion 34 or the ground electrode portion 35, so long as the requirement that the component located in the receiving groove 324 and the component located in the space surrounded by the inner side wall of the receiving groove 324 are different and spaced apart is satisfied.

According to some embodiments of the present invention, as shown in fig. 2, the wall of the accommodating groove 324 may be provided with a partition 325 extending toward the body 31, and the ground wire, the positive wiring and the negative wiring may be led out from the same threading hole 316 to reduce the number of the openings of the body 31, so that the body 31 has a simpler structure, which is beneficial to improving the sealing performance of the body 31. Then, the ground wire, the positive wire, and the negative wire may extend from both sides of the separator 325 to the ground portion 35, the positive portion 33, and the negative portion 34, respectively. Thus, the separator 325 may separate the ground line, the positive electrode wire, and the negative electrode wire, preventing the occurrence of a short-circuit fault. Preferably, the positive electrode connection wire and the negative electrode connection wire may extend from different sides of the separator 325, respectively, for greater safety and reliability.

In addition, as shown in fig. 2, in the radial direction of the power input socket 32, the threading hole 316 may be located outside the partition 325, so that the routing distance is longer, the short circuit prevention effect is better, the partition 325 may be spaced apart from the body 31, so that the ground wire, the positive wire, or the negative wire may pass through the gap between the partition 325 and the body 31.

In some embodiments of the present invention, as shown in fig. 2, any one of the ground portion 35, the positive portion 33 and the negative portion 34 may be connected to the side wall 326, and the ground portion 35, the positive portion 33 or the negative portion 34 connected to the side wall 326 may protrude out of the outer circumferential surface of the side wall 326 so as to be connected to an output terminal of an external power supply, so that the structural design is more reasonable. Preferably, the grounding portion 35 may be connected to the side wall 326 and protrude from the outer circumferential surface of the side wall 316, and the positive electrode portion 33 and the negative electrode portion 34 may be located inside the side wall 326 to prevent a person from touching the positive electrode portion 33 or the negative electrode portion 34 to get an electric shock.

In one embodiment, as shown in fig. 2, the grounding portion 35, the positive electrode portion 33 and the negative electrode portion 34 may be respectively located outside the side wall 326, in the receiving groove 324 and in a space surrounded by inner side walls of the receiving groove 324, so that the three portions may be separated from each other to prevent a short circuit fault.

In the present invention, in order to facilitate the attachment/detachment of the ultrasonic transducer device 30 to/from the output terminal of the external power supply, at least one of the positive electrode portion 33, the negative electrode portion 34, and the ground portion 35 may be connected to the output terminal of the external power supply in a contact-proof manner. For example, in the specific embodiment shown in fig. 12, the output end of the external power source is the signal input socket 20, the signal input socket 20 includes the positive electrode tab 22, the negative electrode tab 23 and the ground tab 24, and at least one of the positive electrode tab 22 and the positive electrode portion 33, the negative electrode tab 23 and the negative electrode portion 34, and the ground tab 24 and the ground portion 35 may abut against each other.

Further, to improve the abutting effect, the ground portion 35, the positive electrode portion 33, and the negative electrode portion 34 may be configured as cantilever-type elastic pieces, or may be bent in a semicircular ring. One end of the cantilever-type elastic sheet can be connected with the power input seat 32 by means of fastening, bonding or riveting, etc. to form a fixed end, and the other end of the cantilever-type elastic sheet is a free end. When the cantilever type elastic sheet is extruded, the free end of the cantilever type elastic sheet can deform along the extrusion direction, and the deformed cantilever type elastic sheet has the elastic force of the original state, so that the cantilever type elastic sheet can be more attached to the output end of an external power supply, and the condition of improper installation is prevented. The semicircular ring can move inwards along the radial direction of the power input seat 32 when stressed, and the deformed semicircular ring has elastic force of the original state, so that the semicircular ring can be tightly attached to the output end of an external power supply, and the stopping effect is improved.

It should be noted that, the grounding portion 35, the positive electrode portion 33, and the negative electrode portion 34 may all be cantilever-type elastic sheets, or may all be semicircular rings, or one of them may be a cantilever-type elastic sheet, the other two may be semicircular rings, or one of them may be a semicircular ring, and the other two may be cantilever-type elastic sheets, which are all within the protection scope of the present invention.

According to some embodiments of the present invention, as shown in fig. 2 and 3, the threading hole 316 may be disposed on the top surface of the body 31, the water blocking edge 317 may be disposed along the periphery of the threading hole 316, and the water blocking edge 317 may protrude from the top surface of the body 31, so as to prevent the body 31 from stopping working when water enters the thread accommodating cavity 321 and enters the body 31 through the threading hole 316.

In the embodiment of the ground wire, the positive wiring and the negative wiring are sealed to be inserted in the threading hole 316, the water blocking edge 317 can increase the matching area of the ground wire, the positive wiring and the negative wiring with the threading hole 316, for example, the interference fit area or the adhesive area can be increased, which is beneficial to improving the connection reliability and the sealing effect.

The lower portion of the power input socket 32 may be provided with a drain port 330 communicating with the wire receiving cavity 321, so that water entering the wire receiving cavity 321 can be drained through the drain port 330, thereby preventing water from being excessively accumulated in the wire receiving cavity 321 and entering the body 31 above the water blocking edge 317, or submerging the ground portion 35, the positive electrode portion 33, or the negative electrode portion 34.

In the present invention, the power input socket 32 and the body 31 can be connected by at least one of clamping, riveting, welding, bonding, or screwing. For example, in some embodiments, as shown in fig. 3 and 4, the outer peripheral surface of the power input socket 32 may be provided with an outwardly protruding flange 328, the flange 328 may be provided with a notch 329, the body 31 may be provided with limiting feet 318, the limiting feet 318 and the notches 329 correspond one-to-one, and each limiting foot 318 is inserted into the corresponding notch 329. The connection between the body 31 and the power input socket 32 can be realized by the cooperation of the limiting pin 318 and the notch 329.

Here, the notch 329 may be one, two or more, and the corresponding limiting pin 318 may also be one, two or more, so long as the requirement that the body 31 is connected with the power input socket 32 by the one-to-one corresponding insertion of the limiting pin 318 and the notch 329 is satisfied.

Optionally, the limiting leg 318 and the edge of the notch 329 can be welded together to make the connection more firm.

Alternatively, as shown in fig. 3, the upper end of each limiting pin 318 may have two protrusions, and after the limiting pin 318 is inserted into the notch 329, the two protrusions may be bent to stop the edge of the notch 329, so as to prevent the limiting pin 318 from coming out of the notch 329, which may also make the connection between the body 31 and the power input socket 32 more secure, and make the body 31 and the power input socket 32 detachable, so that the detachment is more convenient.

In some embodiments of the present invention, as shown in fig. 1, the body 31 may include: base 311, ultrasonic transducer 313, horn 314, and mount 315. The base 311 may be provided with a mounting hole 312, and the ultrasonic transducer 313 may be disposed through the mounting hole 312, so as to implement connection between the ultrasonic transducer 313 and the base 311. The terminal may be electrically connected to the ultrasonic transducer 313, so that the ultrasonic transducer 313 may be connected to a driving power source or perform signal transmission.

As shown in fig. 1 and 11, the horn 314 may be disposed at one axial end of the ultrasonic transducer 313, the ultrasonic transducer 313 may convert electrical energy power into mechanical power, that is, generate ultrasonic waves, and transmit the ultrasonic waves to the horn 314, and the horn 314 may change (generally increase) the amplitude of the ultrasonic waves, and emit the ultrasonic waves from the lower portion of the horn 314, thereby improving the vibration velocity ratio, reducing the resonance impedance, effectively reducing the heat generation of the ultrasonic transducer 313, and improving the service life of the ultrasonic transducer 313.

It should be noted that, as shown in fig. 1, the upper portion of the horn 314 may be connected to the lower portion of the ultrasonic transducer 313, for example, by a screw structure, a connector, etc., so that the horn 314 and the ultrasonic transducer 313 may be detachable, so as to facilitate replacement of the horn 314 or cleaning according to cooking requirements. The horn 314 may be integrally formed with the ultrasonic transducer 313, for example, as shown in fig. 11, the ultrasonic transducer 313 includes an upper end block, a lower end block, and an electrode pad and a piezoelectric ceramic provided between the upper end block and the lower end block, and the horn 314 and the lower end block of the ultrasonic transducer 313 are formed as an integral body, which may make the structure of the ultrasonic transducer apparatus 30 simpler and the assembly more convenient.

As shown in fig. 1 and 11, a bracket 315 may be housed at the other axial end of the ultrasonic transducer 313, and the bracket 315 may be connected to the base 311 to protect the structure of the ultrasonic transducer 313 while reducing the risk of water entering the ultrasonic transducer 313. The threading holes 316 may be provided in the bracket 315, and optionally the terminals may be interference fit with the threading holes 316 or sealed with glue to prevent water from entering the bracket 315 through the threading holes 316. The power input socket 32 can be connected to the bracket 315 for convenient connection.

Further, a sealing member 319 may be disposed at a connection position of the bracket 315 and the base 311, and the sealing member 319 may improve sealing performance, so as to further reduce a risk of water entering the ultrasonic transducer 313.

In addition, in the present invention, the structure of the bracket 315 may be adjusted according to the structural requirements. In the embodiment shown in fig. 1 and 2, the upper portion of the ultrasonic transducer 313 and the top wall of the bracket 315 may be spaced apart by a predetermined distance without interference, the top wall of the bracket 315 may be extended to be a flat plate, and the threading hole 316 may be disposed at any position of the top wall; in the embodiment shown in fig. 11 and 12, the upper portion of the ultrasonic transducer 313 is raised above the top wall of the bracket 315, the top wall of the bracket 315 forms an avoidance slot opening downward to avoid the ultrasonic transducer 313, and the threading hole 316 may be located outside the avoidance slot.

In the cooking appliance including the ultrasonic vibrator device 30, the ultrasonic vibrator device 30 may be connected to a lid 100 of the cooking appliance, and the body 31 may be extended downward out of the lid 100 so that the body 31 may be extended into a cooking cavity of the cooking appliance, for example, the lower portion of the horn 314 may be extended into the cooking cavity so as to emit ultrasonic waves into the cooking cavity. The power input seat 32 can be arranged inside the pot cover 100, so that the appearance of the pot cover 100 is cleaner and tidier, and the power input seat 32 is prevented from being exposed to cause electric shock or damage.

In addition, the base 311 may be connected to the cover assembly 13 of the pot cover 100, or the base 311 may be integrally formed with the cover assembly 13, so as to simplify the structure of the pot cover 100 and reduce the production cost. Therefore, the mounting hole 312 can be arranged on the cover plate assembly 13, and the mounting hole 312 can penetrate through the cover plate assembly 13 along the thickness direction of the cover plate assembly 13, so that the ultrasonic vibrator device 30 can be mounted on the cover plate assembly 13, the amplitude transformer 314 can extend into the cooking cavity, and the structural design is more reasonable. Further, in the embodiment where the cover plate assembly 13 is detachable, the ultrasonic transducer device 30 may be detached together with the cover plate assembly 13, so as to reduce the detaching frequency of the connection between the ultrasonic transducer device 30 and the cover plate assembly 13 and improve the sealing performance.

In other embodiments, the base 311 may be connected to the inner lid assembly 12 of the pot lid 100 of the cooking appliance, or the base 311 may be integrally formed with the inner lid assembly 12, in which case, the mounting hole 312 may be provided on the inner lid assembly 12 of the pot lid 100 of the cooking appliance, and the mounting hole 312 may penetrate the inner lid assembly 12 in the thickness direction of the inner lid assembly 12. Alternatively, in an embodiment in which the cover plate assembly 13 is detachable, when the cover plate assembly 13 is detached, the ultrasonic transducer device 30 does not need to be detached, so that the frequency of detaching and attaching the electrical connection structure of the ultrasonic transducer device 30 can be reduced, and the connection reliability of the electrical connection structure can be improved.

In the related art, the ultrasonic transducer is directly connected with the anode, the cathode and the grounding wire of the electric control plate through the power supply so as to realize power supply connection or signal transmission, the connection structure is complex, the ultrasonic transducer cannot be disassembled, or the disassembly steps are complex, and the cleaning of the ultrasonic transducer is inconvenient. In view of the above problems, the present invention provides a pot cover 100 for a cooking appliance.

As shown in fig. 5 to 8, a pot cover 100 for a cooking appliance according to an embodiment of the present invention may include: a pot cover body 10, a signal input seat 20 and an ultrasonic vibrator device 30 according to the embodiment of the invention.

Specifically, the signal input socket 20 may be connected to a main control board (sometimes referred to as an electronic control board) of the cooking appliance, and the signal input socket 20 includes: the mounting seat 21 and the electrode plate, the electrode plate can be arranged on the mounting seat 21, the mounting seat 21 can be connected with the pot cover body 10, so as to fix the signal input seat 20. The ultrasonic vibrator device 30 may also be mounted to the pot cover body 10, and the electrode part of the ultrasonic vibrator device 30 may be connected to the electrode pad.

Therefore, the signal input socket 20 can be used as a signal output terminal of the main control board, and an output signal terminal of the main control board is integrated on the signal input socket 20 to electrically connect the ultrasonic vibrator device 30 with the main control board. The main control board may serve as an external power source or be connected to the external power source, and the signal input socket 20 may be formed as an output terminal of the external power source, to provide a driving power source for the ultrasonic vibrator device 30, and to control an operating state of the ultrasonic vibrator device 30. The ultrasonic vibrator device 30 is not directly connected to the main control board, but is electrically connected to the ultrasonic vibrator device 30 through the signal input socket 20, and thus the ultrasonic vibrator device is simple in structure and easy to install. The signal input seat 20 and the ultrasonic vibrator device 30 which are integrally arranged are more convenient to disassemble, and the ultrasonic vibrator device 30 is convenient to disassemble, assemble or clean.

Optionally, in the present invention, the material or surface of the electrode plate may be treated to be conductive, for example, in some embodiments, the electrode plate may be a copper nickel-plated material, so as to improve the conductive performance of the electrode plate, reduce the connection resistance, reduce the heat generation at the electrical connection, and be safer and more reliable.

In the embodiment in which the ultrasonic vibrator device 30 includes the body 31 and the power input pad 32, as shown in fig. 11 and 12, the body 31 may have a positive electrode wire, a negative electrode wire, and a ground wire, and the electrode portion may include a positive electrode portion 33, a negative electrode portion 34, and a ground portion 35, wherein the positive electrode portion 33 may be connected to the positive electrode wire, the negative electrode portion 34 may be connected to the negative electrode wire, and the ground portion 35 may be connected to the ground wire. The positive electrode portion 33, the negative electrode portion 34, and the ground portion 35 may be conductive sheets provided on the power input socket 32, respectively, and the power input socket 32 and the signal input socket 20 may be connected by plugging. Therefore, in the process of plugging the power input socket 32 and the signal input socket 20, the electrode plates are abutted against the electrode parts formed by the conductive sheets, so that the electric connection can be realized, the connection mode of the power input socket 32 and the signal input socket 20 is simple, the installation is simple, and the detachment of the power input socket 32 and the signal input socket 20 is convenient.

The pot cover 100 for the cooking appliance according to the embodiment of the present invention has the signal input seat 20, the electrode pads connected to the main control board are integrally provided, and the ultrasonic vibrator device 30 and the main control board are electrically connected with each other in a simple structure, and are easily installed and disassembled.

The cooking appliance according to the embodiment of the present invention includes the pot cover 100 for the cooking appliance according to the embodiment of the present invention. Since the pot cover 100 for the cooking appliance according to the embodiment of the present invention has the above-mentioned beneficial technical effects, the electric connection structure between the ultrasonic vibrator device 30 and the main control board of the cooking appliance according to the embodiment of the present invention is simple, easy to install, and convenient to detach and install.

According to a further embodiment of the present invention, as shown in fig. 6, the mounting seat 21 of the signal input seat 20 may be provided with a mounting groove 211 opened downward, and the electrode pad may be inserted into the mounting groove 211. As shown in fig. 12, an electrode portion provided at the upper portion of the ultrasonic vibrator device 30 may be extended into the mounting groove 211 to be connected to the electrode pad. The mounting groove 211 may protect the structure of the electrode pad and prevent the electrode pad from being damaged. And the junction of electrode portion and electrode slice is located mounting groove 211, under the shielding effect of mount pad 21, can reduce the risk that the water logging went into the electric connection department, prevents that electric connection structure from taking place short circuit fault, safe and reliable more.

According to some embodiments of the present invention, as shown in fig. 6 and 8, the electrode tabs may include a positive tab 22, a negative tab 23, and a ground tab 24, and in embodiments where the electrode portion includes a positive portion 33, a negative portion 34, and a ground portion 35, the positive tab 22 may be connected to the positive portion 33, the negative tab 23 may be connected to the negative portion 34, and the ground tab 24 may be connected to the ground portion 35. One of the positive electrode tab 22, the negative electrode tab 23 and the ground tab 24 may be a strip-shaped body, and the strip-shaped body may extend into the mounting groove 211 of the mounting seat 21 along the axial direction of the mounting seat 21. Here, the "bar" may be broadly understood, that is, a dimension extending in an axial direction of the mounting seat 21 is larger than a dimension extending in a radial direction, and a radial cross section of the bar may be circular, rectangular, oval, triangular, polygonal, or the like. And the radial cross-sectional area of the strip in the axial direction of the mount 21 may not be equal everywhere, for example, in the example shown in fig. 6-8, the strip is formed as a stepped bar, while in other embodiments the strip may be formed as a tapered bar.

With continued reference to fig. 6 and 8, the other two of the positive electrode tab 22, the negative electrode tab 23, and the ground tab 24 may be inner and outer annular bodies, respectively, nested within one another and disposed around the strip-shaped body. Alternatively, the strip-shaped body, the inner annular body and the outer annular body may be coaxially arranged, so that the structure of the signal input seat 20 is more concise and beautiful. When the signal input seat 20 is matched with the power input seat 32, the signal input seat 20 does not need to be aligned in the circumferential direction, and the signal input seat 20 and the power input seat 32 are assembled more conveniently and quickly.

Further, as shown in fig. 8 and 12, the lower peripheral edge of the inner annular body may have a flange, the flange may extend in a direction away from the axis in the radial direction of the inner annular body, the lower peripheral edge of the outer annular body may also have a flange, and the flange may extend in a direction away from the axis in the radial direction of the outer annular body. Therefore, the electric connection area between the inner annular body and the outer annular body and the power input seat 32 can be increased, the reduction of the connection resistance is facilitated, and the electric connection structure is more reliable.

In a further embodiment of the present invention, as shown in fig. 6, 8 and 10, the top wall of the mounting groove 211 is provided with a first mounting hole 212, a second mounting hole 213 and a third mounting hole 214. The bar-shaped body can be arranged in the first mounting hole 212 in a penetrating manner, optionally, the bar-shaped body can be in interference fit with the first mounting hole 212, in threaded connection, in adhesion or in clamping connection and the like, so that the connection between the bar-shaped body and the mounting base 21 is realized. The last week of interior annular body is followed can be equipped with interior installation foot 231, and interior installation foot 231 can insert and establish in second mounting hole 213 to realize being connected of interior annular body and mount pad 21, and the last week of outer annular body is followed can be equipped with outer installation foot 241, and outer installation foot 241 can insert and establish in third mounting hole 214, in order to realize being connected of outer annular body and mount pad 21. The inner mounting leg 231 and the second mounting hole 213, and the outer mounting leg 241 and the third mounting hole 214 can be connected in interference fit, riveting, clamping, bonding and other manners, and the connection structure is simple and firm.

It should be noted that the numbers of the second mounting holes 213, the third mounting holes 214, the inner mounting feet 231 and the outer mounting feet 241 can be flexibly set according to actual requirements. The second mounting holes 213 and the inner mounting legs 231 may be one, two, three, or more, respectively, and the third mounting holes 214 and the outer mounting legs 241 may be one, two, three, or more, respectively. When the second mounting holes 213, the third mounting holes 214, the inner mounting legs 231, and the outer mounting legs 241 are all plural, the plural inner mounting legs 231 may be inserted into the plural second mounting holes 213 in a one-to-one correspondence, and the plural outer mounting legs 241 may be inserted into the plural third mounting holes 214 in a one-to-one correspondence.

In addition, the ground terminal of the ground lead connected with the main control board, the positive terminal of the positive lead and the negative terminal of the negative lead can be respectively connected with the upper part of the strip-shaped body, the upper part of one of the inner mounting feet 231 and the upper part of one of the outer mounting feet 241, and the connection mode can be welding, riveting, clamping or inserting and the like.

As shown in fig. 8 and 10, in another or another plurality of inner mounting legs 231 not connected to the ground terminal of the ground wire of the main control board, the positive terminal of the positive wire, or the negative terminal of the negative wire, at least one inner mounting leg 231 may have a cutout to form two separation preventing legs 25. When the inner mounting leg 231 is inserted into the second mounting hole 213, the two anti-falling legs 25 can be bent to stop the upper side of the mounting seat 21, so as to prevent the inner mounting leg 231 from falling out of the second mounting hole 213, and the inner annular body is more reliably connected with the mounting seat 21.

As shown in fig. 10, in another or another plurality of outer mounting legs 241 not connected to the ground terminal of the ground wire of the main control board, the positive terminal of the positive wire or the negative terminal of the negative wire, at least one outer mounting leg 241 may also have a gap to form two anti-falling legs 25. When the outer mounting leg 241 is inserted into the third mounting hole 214, the two anti-dropping legs 25 can be bent to stop the upper side of the mounting seat 21, so as to prevent the outer mounting leg 241 from dropping out from the third mounting hole 214, and the outer ring body is more reliably connected with the mounting seat 21.

It should be noted that, the anti-falling legs 25 of the inner annular body and the outer annular body shown in fig. 10 are both in an unfolded state, and when the two connected anti-falling legs 25 are folded, the two anti-falling legs 25 may be folded in the same direction or in different directions.

Alternatively, as shown in fig. 6, 8 and 10, at least one second mounting hole 213 may be provided with a second positioning surface 215, and the second positioning surface 215 protrudes upward from the upper surface of the mounting seat 21, so that the second positioning surface 215 may stop against one side surface of the inner mounting leg 231 in the radial direction to radially position the inner mounting leg 231, and simultaneously, the structure of the inner mounting leg 231 may be supported to prevent the inner mounting leg 231 from being damaged at the connection position with the ground terminal of the ground lead of the main control board, the positive terminal of the positive lead, or the negative terminal of the negative lead.

At least one third mounting hole 214 may be provided with a third positioning surface 216, and the third positioning surface 216 may protrude upward from the upper surface of the mounting seat 21, so that the third positioning surface 216 may stop with a radial side surface of the outer mounting leg 241 to radially position the outer mounting leg 241 and support the structure of the outer mounting leg 241.

According to some embodiments of the present invention, as shown in fig. 6, the top wall of the mounting groove 211 may be further provided with a first positioning groove 217 and a second positioning groove. As shown in fig. 8, the upper peripheral edge of the inner annular body may be provided with first positioning ribs 232, the first positioning ribs 232 projecting radially inwardly with respect to the inner annular body, and the upper peripheral edge of the outer annular body may be provided with second positioning ribs 242, the second positioning ribs 242 projecting radially inwardly with respect to the outer annular body. When interior annular body and outer annular body install respectively in mount pad 21, first location muscle 232 can cooperate in first constant head tank 217, and second location muscle 242 can cooperate in the second constant head tank. Thereby, it is possible to restrict the axial length of the inner and outer annular bodies protruding into the mounting groove 211, while restricting the radial and circumferential positions of the inner and outer annular bodies with respect to the mount base 21, preventing the inner and outer annular bodies from rotating freely.

Optionally, the top wall of the mounting groove 211 may be further provided with a first annular groove communicated with the first positioning groove 217 and a second annular groove communicated with the second positioning groove, respectively, an upper peripheral edge of the inner annular body may be inserted into the first annular groove, and an upper peripheral edge of the outer annular body may be inserted into the second annular groove, so as to further achieve radial limiting of the inner annular body and the outer annular body relative to the mounting seat 21.

In some embodiments of the present invention, as shown in fig. 7 and 9, the pot lid body 10 may include an outer lid assembly 11 and an inner lid assembly 12, the inner lid assembly 12 may be disposed inside the outer lid assembly 11, and as shown in fig. 6, the signal input seat 20 may be disposed between the outer lid assembly 11 and the inner lid assembly 12 to facilitate fixing of the signal input seat 20. The inner lid assembly 12 may be provided with a relief hole 121 corresponding to the position of the mounting groove 211, as shown in fig. 9, the ultrasonic vibrator device 30 may pass through the relief hole 121 to extend into the mounting groove 211, so that a ground wire, a positive electrode wire, and a negative electrode wire connected to the ultrasonic vibrator device 30 are connected to the signal input socket 20.

Optionally, in some embodiments, as shown in fig. 6 and 7, the pot cover 100 may further include a sliding arm 60, the inner lid assembly 12 of the pot cover 100 may be driven by the sliding arm 60 to rotate to open or close the pot body of the cooking appliance, the mounting seat 21 of the signal input seat 20 may be disposed below the sliding arm 60, and the sliding arm 60 may shield a connection between the mounting seat 21 and an external power source, so as to further prevent electric shock and improve safety performance.

Further, as shown in fig. 8, the mounting seat 21 may include a connecting portion 26 and a mounting portion 27, wherein the connecting portion 26 may be connected with the inner lid assembly 12 to achieve the fixing of the mounting seat 21. Installation department 27 can link to each other with connecting portion 26, and installation department 27 can be located to mounting groove 211 to electrode slice links to each other with installation department 27, structural design is reasonable.

In the present invention, the connection portion 26 of the mounting seat 21 and the inner lid assembly 12 may be directly connected or indirectly connected. For example, in the embodiment shown in fig. 7-10, the pot lid 100 further comprises the connection seat 40, and the connection seat 40 can be disposed between the connection portion 26 and the inner lid assembly 12 to connect the connection portion 26 and the inner lid assembly 12, which is advantageous for simplifying the structure of the inner lid assembly 12.

Further, as shown in fig. 7 and 10, the connection holder 40 may be supported by the inner lid assembly 12, and the connection holder 40 may be connected to the inner lid assembly 12 by a fastener 50, which is firmly and reliably connected and easy to assemble. The connection holder 40 may be provided with a positioning part 41, and the connection part 26 may be provided with a positioning engagement part 261 engaged with the positioning part 41, so that the connection holder 40 can position the mounting holder 21.

Still further, as shown in fig. 8 and 10, the positioning matching portion 261 may be a boss disposed at the edge of the connecting portion 26, the boss may be provided with a positioning hole 262 penetrating up and down, the positioning portion 41 may be a positioning column, and the outer circumferential surface of the positioning column may be provided with a supporting table 411. The upper portion of the positioning post can be inserted into the positioning hole 262, and the lower end surface of the boss can be supported on the supporting table 411 to limit the downward position of the boss.

Alternatively, as shown in fig. 10, the positioning post may have a threaded hole, and after the positioning post is inserted into the positioning hole 262, the fastener 50 may be installed in the threaded hole, and the fastener 50 may abut against the upper end surface of the boss to limit the upward position of the boss.

Alternatively, as shown in fig. 8 and 10, the positioning column may be a cross rib, the cross rib may be inserted into the positioning hole 262, and the cross rib may not rotate in the positioning hole 262 to limit the circumferential position of the mounting seat 21 relative to the connecting seat 40.

In order to further improve the connection reliability between the connection part 26 and the connection seat 40, as shown in fig. 7 and 8, the connection part 26 may further have a connection hole 263, the connection hole 263 is located between the boss and the mounting part 27, the connection seat 40 may have a connection post 42, and an inner hole 421 corresponding to the connection hole 263 may be provided in the connection post 42. The lower surface of the connecting portion 26 may be supported to the connecting column 42, and the fastener 50 may be inserted through the connecting hole 263 and the inner hole 421. Therefore, the connecting part 26 and the connecting seat 40 can be realized, the connecting part 26 and the connecting seat 40 are connected through two positions, the connection is firmer and more reliable, the circumferential positions of the connecting part 26 and the connecting seat 40 can be fixed, and the connecting part 26 is prevented from rotating in a horizontal plane relative to the connecting seat 40.

A pot cover 100 and an ultrasonic vibrator device 30 for a cooking appliance according to an embodiment of the present invention will be described with reference to fig. 1 to 12. It is to be understood that the following description is illustrative only and is not to be taken in a limiting sense.

As shown in fig. 1 to 4, the power input socket 32 of the ultrasonic transducer device 30 includes a top cover 322 and side walls 326. Wherein, the middle part of the top cover 322 is provided with a socket 323, and the periphery of the socket 323 is provided with a holding groove 324 protruding towards the inside of the wire holding cavity 321. The positive electrode portion 33 is located in the wire receiving cavity 321 and connected to the inner side wall of the receiving groove 324, and the positive electrode portion 33 extends along the radial direction of the power input socket 32 to correspond to the position of the insertion opening 323. The negative electrode part 34 is positioned in the receiving groove 324 and connected to the groove wall of the receiving groove 324. The ground portion 35 is connected to the outer peripheral surface of the side wall 326. The positive electrode 33, the negative electrode 34, and the ground portion 35 are spaced apart from each other to prevent a short-circuit failure, and when the ultrasonic transducer device 30 is not connected to the signal input socket 20, the positive electrode 33 and the negative electrode 34 are not exposed, and only the ground portion 35 is exposed to prevent an electric shock. The positive electrode portion 33 and the negative electrode portion 34 are both cantilever-type elastic pieces, and the ground portion 35 is a semicircular ring.

As shown in fig. 5 to 8, the signal input seat 20 of the pot cover 100 includes a mounting seat 21, the mounting seat 21 is formed with a mounting groove 211 with a downward opening, the positive plate 22 is a strip-shaped body and is connected with a bottom groove wall of the mounting groove 211, the negative plate 23 is an inner ring-shaped body, the ground plate 24 is an outer ring-shaped body, the outer ring-shaped body is sleeved outside the inner ring-shaped body, and the strip-shaped body, the inner ring-shaped body and the outer ring-shaped body are coaxially arranged.

When the ultrasonic vibrator device 30 is mounted on the lid 100, the power input socket 32 is connected to the signal input socket 20 by insertion. Specifically, as shown in fig. 12, the mounting seat 21 can be sleeved outside the power input seat 32, so that the grounding strip 24 can be sleeved outside the side wall 326, and the grounding strip 24 can press the grounding portion 35 of the semicircular ring structure, so that the grounding portion 35 deforms along the radial direction of the power input seat 32, thereby improving the abutting effect between the grounding strip 24 and the grounding portion 35.

Meanwhile, the negative electrode sheet 23 may extend into the accommodating groove 324 and abut against the negative electrode portion 34 located in the accommodating groove 324, and the negative electrode portion 34 is deformed toward the main body 31 under the abutting action of the negative electrode sheet 23, so as to improve the abutting action of the negative electrode sheet 23 and the negative electrode portion 34. Meanwhile, the positive plate 22 extends into the socket 323 and abuts against the positive part 33 located in the wire accommodating cavity 321, and the positive part 33 deforms towards the direction close to the body 31 under the abutting action of the positive plate 22, so that the abutting action of the positive plate 22 and the positive part 33 is improved, and the electric connection is more sufficient and reliable.

Therefore, the connection between the signal input socket 20 and the power input socket 32 is completed, and the ultrasonic vibrator device 30 can be connected with the main control board through the matching of the signal input socket 20 and the power input socket 32, so that the ultrasonic vibrator device 30 can normally work. In addition, the joint of the positive plate 22 and the positive part 33, the joint of the negative plate 23 and the negative part 34, and the joint of the grounding plate 24 and the grounding part 35 are not exposed, so that the risk of short circuit fault and even safety accident caused by water inflow of the electric connection structure is prevented, and the safety and reliability are improved.

In the process of plugging the signal input socket 20 and the power input socket 32, the signal input socket 20 can rotate freely relative to the power input socket 32 in the circumferential direction, alignment is not needed, the positive plate 22 can be aligned with the positive part 33, the negative plate 23 can be aligned with the negative part 34, and the grounding plate 24 can be aligned with the grounding part 35 when the mounting socket 21 and the power input socket 32 are mounted at any angle in the circumferential direction, and the situation that plugging is difficult does not exist. The signal input seat 20 and the power input seat 32 are convenient to plug, when the ultrasonic vibrator device needs to be disassembled, only the signal input seat 20 or the power input seat 32 needs to be pulled out, the disassembly and the assembly are convenient and quick, and the ultrasonic vibrator device 30 is convenient to clean and maintain.

Other constructions and operations of the cooking appliance, the pot cover 100 and the ultrasonic vibrator device 30 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the terms "embodiment," "particular embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A lid for a cooking appliance, comprising:

a pot cover body;

the signal input seat is suitable for being connected with a main control board of the cooking appliance and comprises a mounting seat connected with the cooker cover body and an electrode plate arranged on the mounting seat, and the electrode plate is connected with an external power supply;

the ultrasonic vibrator device is mounted on the pot cover body and is provided with an electrode part connected with the electrode plate.

2. The pot cover for the cooking utensil as claimed in claim 1, wherein the mounting seat is provided with a mounting groove with a downward opening, the electrode piece extends into the mounting groove, and the electrode part is provided at an upper part of the ultrasonic vibrator device and extends into the mounting groove.

3. The pot cover for the cooking utensil according to claim 2, wherein the electrode pieces comprise a positive electrode piece, a negative electrode piece and a ground piece, one of the positive electrode piece, the negative electrode piece and the ground piece is a strip-shaped body extending into the mounting groove along the axial direction of the mounting seat, and the other two of the positive electrode piece, the negative electrode piece and the ground piece are an inner annular body and an outer annular body which are nested with each other and surround the strip-shaped body.

4. The pot cover for the cooking utensil according to claim 3, wherein the top wall of the mounting groove is provided with a first mounting hole, a plurality of second mounting holes and a plurality of third mounting holes, the bar-shaped body is inserted into the first mounting hole, the upper peripheral edge of the inner annular body is provided with a plurality of inner mounting feet which are inserted into the plurality of second mounting holes in a one-to-one correspondence manner, the upper peripheral edge of the outer annular body is provided with a plurality of outer mounting feet which are inserted into the plurality of third mounting holes in a one-to-one correspondence manner,

the grounding terminal of the grounding wire, the positive terminal of the positive wire and the negative terminal of the negative wire which are connected with the main control board are respectively connected with the upper part of the strip-shaped body, the upper part of one of the inner mounting feet and the upper part of one of the outer mounting feet.

5. The cover for a cooking utensil of claim 4, wherein at least one of the second mounting holes is provided with a second positioning surface protruding upward from the upper surface of the mounting seat and used for radially positioning the inner mounting foot, and at least one of the third mounting holes is provided with a third positioning surface protruding upward from the upper surface of the mounting seat and used for radially positioning the outer mounting foot.

6. The cover for a cooking utensil of claim 4 wherein in another one or more of the inner mounting feet, at least one of the inner mounting feet has a cutout to form two anti-slip feet that can be bent to stop against the upper side of the mounting seat;

in another or a plurality of the outer mounting feet, at least one outer mounting foot is provided with a gap to form two anti-falling supporting feet, and the two anti-falling supporting feet can be bent to stop at the upper side of the mounting seat.

7. The lid for a cooking utensil of claim 4, wherein the top wall of the mounting groove is further provided with a first positioning groove and a second positioning groove, the upper peripheral edge of the inner annular body is provided with a first positioning rib protruding inwards and fitting into the first positioning groove, and the upper peripheral edge of the outer annular body is provided with a second positioning rib protruding inwards and fitting into the second positioning groove.

8. The lid for a cooking appliance according to claim 2, wherein the lid body comprises:

an outer cover assembly;

locate the inboard inner cup subassembly of enclosing cover subassembly, signal input seat is established the enclosing cover subassembly with between the inner cup subassembly, be equipped with on the inner cup subassembly with the hole of dodging that the mounting groove position corresponds, the ultrasonic vibrator device passes the hole of dodging stretches into the mounting groove.

9. The pot cover for a cooking appliance according to claim 8, wherein the mounting seat comprises:

a connection portion connected with the inner cap assembly;

the installation department, the installation department with connecting portion link to each other, the mounting groove is located the installation department, the electrode slice with the installation department links to each other.

10. The cover for a cooking appliance according to claim 9, further comprising:

the connecting seat is arranged between the connecting part and the inner cover component to connect the connecting part and the inner cover component.

11. The cover for a cooking appliance according to claim 10, wherein the connecting seat is supported by the inner lid assembly and connected to the inner lid assembly by a fastener, the connecting seat is provided with a positioning portion, and the connecting portion is provided with a positioning engagement portion engaged with the positioning portion.

12. The cover according to claim 11, wherein the positioning engagement portion is a boss disposed at the edge of the connection portion, the boss has a positioning hole extending therethrough, the positioning portion is a positioning post, a supporting platform is disposed on the outer circumferential surface of the positioning post, the upper portion of the positioning post is inserted into the positioning hole, and the lower end surface of the boss is supported on the supporting platform.

13. The cover for a cooking utensil of claim 12, wherein the connecting portion further has a connecting hole between the boss and the mounting portion, the connecting base has a connecting post, an inner hole corresponding to the connecting hole is provided in the connecting post, a lower surface of the connecting portion is supported on the connecting post and a fastener is inserted through the connecting hole and the inner hole to connect the connecting portion and the connecting base.

14. The cover for a cooking appliance according to claim 8, further comprising:

the sliding arm is used for driving the inner cover assembly to rotate, and the mounting seat is mounted below the sliding arm.

15. The pot cover for a cooking appliance according to any one of claims 1 to 14, wherein the ultrasonic vibrator device comprises:

a body having a ground wire, a positive wire, and a negative wire;

the power input seat is connected with the body, the electrode part comprises a positive electrode part, a negative electrode part and a grounding part, the positive electrode part, the negative electrode part and the grounding part are respectively conducting strips arranged on the power input seat, the positive electrode part is connected with the positive electrode wiring, the negative electrode part is connected with the negative electrode wiring, the grounding part is connected with the grounding wire, and the power input seat is connected with the signal input seat in an inserting mode.

16. The cover for a cooking appliance of claim 15, wherein the body comprises:

the base is provided with a mounting hole;

the ultrasonic transducer penetrates through the mounting hole, and the grounding wire, the positive wiring and the negative wiring are all electrically connected with the ultrasonic transducer;

the amplitude transformer is arranged at one axial end of the ultrasonic transducer;

the support, the support cover is established ultrasonic transducer's the axial other end and with the base links to each other, the support is equipped with the through wires hole, power input seat with the support links to each other.

17. A cooking appliance, characterized in that it comprises a lid for a cooking appliance according to any one of claims 1 to 16.