CN109549473B - Spill-proof assembly for cooking utensil, cover assembly and cooking utensil - Google Patents
Spill-proof assembly for cooking utensil, cover assembly and cooking utensil Download PDFInfo
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- CN109549473B CN109549473B CN201710890394.6A CN201710890394A CN109549473B CN 109549473 B CN109549473 B CN 109549473B CN 201710890394 A CN201710890394 A CN 201710890394A CN 109549473 B CN109549473 B CN 109549473B
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- assembly
- mounting
- cover
- cooking appliance
- buckling
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- 238000010411 cooking Methods 0.000 title claims abstract description 91
- 230000008859 change Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 12
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 18
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 238000009835 boiling Methods 0.000 abstract description 9
- 241000209094 Oryza Species 0.000 description 10
- 235000007164 Oryza sativa Nutrition 0.000 description 10
- 235000009566 rice Nutrition 0.000 description 10
- 230000013011 mating Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 235000014347 soups Nutrition 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 235000021395 porridge Nutrition 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/56—Preventing boiling over, e.g. of milk
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
Abstract
The invention discloses an anti-overflow assembly for a cooking utensil, a cover body assembly and the cooking utensil, wherein the anti-overflow assembly comprises: the device comprises a mounting frame and a conducting strip assembly, wherein a mounting cavity is formed in the mounting frame; the conducting strip subassembly seals in the bottom of installation chamber, and the lower surface of installation chamber forms the detection face, and the capacitance value of conducting strip subassembly changes according to the change of the medium volume that the detection face contacted. According to the anti-overflow assembly for the cooking utensil, disclosed by the embodiment of the invention, the conductive sheet assembly is sealed in the mounting frame, so that the interference caused by the capacitance variation of the conductive sheet assembly when the cover body assembly leaks can be effectively prevented, therefore, the boiling condition in the cooking space can be accurately judged, the misjudgment is avoided, the heating condition in the cooker can be reasonably controlled, the liquid is effectively prevented from overflowing, and the anti-overflow effect of the anti-overflow assembly and the cooking effect of the cooking utensil are improved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an overflow-preventing assembly for a cooking appliance, a cover body assembly and the cooking appliance.
Background
Overflow of rice (porridge) in electric rice cooker is a pain point in electric rice cooker industry. The overflow is mainly generated when the rice cooker is used for cooking porridge or rice, rice grains are gelatinized, the viscosity of rice soup is high, a large number of bubbles are formed in the cooker body in the heating and boiling stage, and when the design of a steam valve cavity is unreasonable or the space of the cavity is small, a large number of rice soup can overflow from a steam port along with the bubbles through a steam channel.
In the related art, the electric cooker can directly detect the change of the electric level-liquid capacitance value by arranging the conducting strip assembly on the electric cooker, so that the rice cooking overflow prevention can be realized, however, as the conducting strip assembly senses the change of the capacitance value by depending on the detection liquid, when the cover body assembly of the electric cooker leaks air, capacitance can be formed between steam in the cover body and the conducting strip assembly, and misoperation occurs.
Disclosure of Invention
The inventor finds that most of reasons for misjudgment of the conducting strip assembly in the related art are that when the cover assembly of the electric cooker leaks air, capacitance may be formed between steam in the cover and the conducting strip assembly. The present application is an improvement made by the inventors based on the findings and knowledge of the above facts and problems.
Therefore, the invention provides an overflow prevention assembly for a cooking appliance, which can effectively prevent overflow and avoid misoperation.
The invention also provides a cover body assembly with the overflow-preventing assembly.
The invention further provides a cooking utensil with the cover body assembly.
An overflow prevention assembly for a cooking appliance according to an embodiment of the first aspect of the present invention includes: the mounting rack is internally provided with a mounting cavity and is an insulating piece; the conducting strip assembly is sealed at the bottom of the installation cavity, a detection surface is formed on the lower surface of the installation cavity, and the capacitance value of the conducting strip assembly changes according to the change of the medium quantity contacted with the detection surface.
According to the anti-overflow assembly for the cooking utensil, disclosed by the embodiment of the invention, the conductive sheet assembly is sealed in the mounting frame, so that the interference caused by the capacitance variation of the conductive sheet assembly when the cover body assembly leaks can be effectively prevented, therefore, the boiling condition in the cooking space can be accurately judged, the misjudgment is avoided, the heating condition in the cooker can be reasonably controlled, the liquid is effectively prevented from overflowing, and the anti-overflow effect of the anti-overflow assembly and the cooking effect of the cooking utensil are improved.
According to some embodiments of the invention, the mounting cavity is filled with a seal to seal the conductive sheet assembly within the mounting cavity.
According to some embodiments of the invention, the mounting comprises: the mounting frame body is provided with a mounting cavity formed on the mounting frame body, and the top of the mounting cavity is provided with an opening; the cover body is arranged on the mounting frame body and is in sealing connection with the opening.
Optionally, the cover body is connected with the mounting frame body through a buckle.
According to some embodiments of the invention, the conductive sheet assembly comprises: the bottom plate is stopped against the bottom wall of the mounting cavity; the side plate surrounds the periphery of the bottom plate and is abutted against the side wall of the mounting cavity; and the wiring terminals are respectively connected with the side plates and the controller of the cooking utensil.
Optionally, the cross-section of the mounting cavity gradually decreases in a top-to-bottom direction.
According to some embodiments of the invention, the side panels extend obliquely upward toward a direction away from a central axis of the bottom panel.
A cover assembly according to an embodiment of the second aspect of the present invention includes: an outer cover; the inner cover is connected with the outer cover, a mounting hole is formed in the inner cover, and the mounting hole is communicated with a cooking space of the cooking appliance; and according to the embodiment of the first aspect of the invention, the overflow preventing assembly is arranged on the inner cover, and the lower end of the mounting cavity extends into the mounting hole.
According to the cover body assembly provided by the embodiment of the invention, the liquid in the cooking space is convenient to contact with the detection surface of the overflow prevention assembly, so that the boiling condition of the liquid in the cooking space can be accurately judged according to the capacitance value change condition of the conducting strip assembly, misjudgment is avoided, the heating condition in the pot can be reasonably controlled, the overflow of the liquid is effectively prevented, and the overflow prevention effect of the overflow prevention assembly and the cooking effect of the cooking appliance are improved.
According to some embodiments of the invention, a second seal is provided between the outer cap and the inner cap to seal the mounting hole.
According to some further embodiments of the invention, the cap assembly further comprises: the buckling structure comprises a buckling part and a buckling groove part, one of the buckling part and the buckling groove part is arranged on the inner cover, the other of the buckling part and the buckling groove part is arranged on the mounting frame, and the buckling part is matched with the buckling groove part to fix the overflow-preventing assembly on the inner cover.
Specifically, be formed with the catching groove on the catching groove portion, the catching groove is followed the circumference of mounting hole extends and one end is opened and is formed the opening, be equipped with on the buckle portion and insert the strip, buckling structure is configured when rotatory along the first direction the mounting bracket insert the strip and pass through the opening stretches into in the catching groove.
According to some embodiments of the invention, the cap assembly further comprises: and the limiting structure is arranged on the mounting frame in an elastically deformable manner and positioned at the downstream of the other one of the buckling part and the buckling groove part, and is configured to generate elastic deformation when being in extrusion fit with one of the buckling part and the buckling groove part during rotation of the mounting frame and restore to the original shape when being out of fit with the one of the buckling part and the buckling groove part.
Specifically, the buckle portion with be equipped with the cooperation piece on the another in the catching groove portion, limit structure includes the elastic arm and ends and prop the piece, but elastic arm elastic deformation ground is established on the mounting bracket, it establishes to prop the piece on the elastic arm and towards keeping away from the direction of the central axis of mounting hole extends, the elastic arm is in it is ending to prop the piece with the cooperation piece is ending and is propped the time take place elastic deformation.
According to some embodiments of the invention, the cover assembly further comprises a steam valve, a steam channel is formed in the steam valve, the steam channel is provided with an air inlet and an air outlet, the air inlet is communicated with the cooking space of the cooking utensil, and the lower end of the mounting cavity extends into the steam channel.
Specifically, the lower end of the overflow prevention component is arranged opposite to the air inlet.
According to a third aspect of the present invention, a cooking appliance includes a cover assembly according to the second aspect of the present invention.
According to the cooking utensil of the third aspect of the embodiment of the invention, by arranging the cover body assembly according to the second aspect of the embodiment of the invention, the overall performance of the cooking utensil is improved.
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 foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a perspective view of an anti-spill assembly according to an embodiment of the invention;
FIG. 2 is a cross-sectional view of the spill guard assembly shown in FIG. 1;
FIG. 3 is a perspective view of an anti-spill assembly according to another embodiment of the present invention;
FIG. 4 is a schematic view of a cover assembly according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a perspective view of an inner cap of the cap assembly according to an embodiment of the present invention;
fig. 7 is an enlarged view of a portion a circled in fig. 6;
fig. 8 is a perspective view of an inner cap of a cap assembly according to another embodiment of the present invention.
Reference numerals:
the spill-resistant assembly 100,
the device comprises a mounting frame 1, a detection surface 11, a mounting cavity 12, a mounting frame body 13, a cover body 14, a first sealing member 15,
the conductive sheet assembly 2, the bottom plate 21, the side plates 22, the connection terminals 23, the through holes 231,
the cover assembly 1000 is configured to be positioned over the opening in the housing,
the outer cap 3, the inner cap 4, the mounting hole 41, the mounting boss 42, the second seal member 5,
the fastening portion 61, the fixing portion 611, the insertion strip 612, the fastening groove portion 62, the fastening groove 621, the fitting block 622, the second fitting surface 6221,
the limiting structure 7, the elastic arm 71, the stop block 72, the first mating surface 721,
a steam channel 8, an air inlet 81.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An overflow prevention assembly 100 for a cooking appliance according to an embodiment of the present invention is described below with reference to fig. 1 to 3 and 5. The cooking utensil can be an electric cooker, an electric pressure cooker and the like. A cooking space is defined in the cooking appliance.
As shown in fig. 1 and 2, a spill-proof assembly 100 for a cooking appliance according to an embodiment of the present invention includes: a mounting bracket 1 and a conductive sheet assembly 2.
Wherein, have the installation cavity 12 in the mounting bracket 1, mounting bracket 1 is the insulating part. Alternatively, the mounting 1 is a plastic piece, such as a PC plastic piece or the like. The conductive sheet assembly 2 is sealed at the bottom of the mounting cavity 12, and the lower surface of the mounting cavity 12 forms the detection surface 11. The capacitance value of the conductive sheet varies according to the variation in the amount of medium contacted by the lower surface (i.e., the detection surface 11) of the mounting cavity 12.
Specifically, the mounting bracket 1 is adapted to be coupled with the cover assembly 1000 of the cooking appliance to fix the overflow preventing assembly 100 to the cover assembly 1000. The cover assembly 1000 is provided with a passage communicating with the cooking space, and one end (e.g., a lower end in fig. 1) of the installation cavity 12 is extended into the passage. The conducting strip assembly 2 can be connected with a control device of the cooking utensil through a wire so as to transmit the detected capacitance change value to the control device, and the control device can judge the boiling condition of liquid in the cooking space according to the capacitance change condition of the conducting strip assembly 2, so that the heating power of the cooking utensil can be controlled according to the capacitance change quantity of the conducting strip assembly 2, and the liquid is effectively prevented from overflowing.
For example, a predetermined threshold value of the capacitance change value may be set, and when the change value of the capacitance value of the conductive sheet assembly 2 reaches the predetermined threshold value, it may be determined that the liquid in the cooking space is about to overflow, and at this time, a signal may be sent by the control device to reduce the heating power of the cooking appliance or directly stop heating, so as to prevent the liquid in the cooking space from overflowing.
Because the conducting strip assembly 2 is sealed in the installation cavity 12, the capacitance value of the conducting strip assembly 2 can only change according to the quantity of the medium (such as rice soup, steam, foam and the like) contacted with the lower surface of the installation frame 1, so that the interference to the capacitance change quantity of the conducting strip assembly 2 when the cover body assembly 1000 leaks air can be effectively avoided, misjudgment of a control device is effectively avoided, and the anti-overflow effect of the anti-overflow assembly 100 is improved.
According to the anti-overflow assembly 100 for the cooking utensil, disclosed by the embodiment of the invention, the conductive sheet assembly 2 is sealed in the mounting frame 1, so that the interference caused by the capacitance change amount of the conductive sheet assembly 2 when the cover body assembly 1000 leaks air can be effectively prevented, the boiling condition in the cooking space can be accurately judged, the misjudgment is avoided, the heating condition in the cooker can be reasonably controlled, the liquid overflow is effectively prevented, and the anti-overflow effect of the anti-overflow assembly 100 and the cooking effect of the cooking utensil are improved.
According to some embodiments of the present invention, the mounting cavity 12 is filled with a first seal 15 to seal the conductive sheet assembly 2 within the mounting cavity 12. Optionally, the first seal 15 is a resin. That is, the conductive sheet assembly 2 may be encapsulated in the mounting cavity 12 by a resin. For example, during the processing, the conductive sheet assembly 2 may be assembled to the bottom of the mounting cavity 12, and after the conductive wires are fixed on the conductive sheet assembly 2, the conductive sheet assembly 2 may be sealed by filling the tooling with resin. The process is simple, the sealing effect is good, the anti-overflow effect of the anti-overflow assembly 100 is effectively improved, and the cost is reduced.
According to further embodiments of the present invention, referring to fig. 3, the mounting 1 includes a mounting body 13 and a cover 14. The mounting cavity 12 is formed on the mounting frame body 13, the top of the mounting frame body is provided with an opening, and the cover 14 is arranged on the mounting frame body 13 and is in sealing connection with the opening. For example, a gasket may be provided between the cover 14 and the mounting bracket body 13 to ensure sealing of the open mouth. Thus, sealing of the mounting cavity 12 may be achieved by the cover 14, as may sealing of the conductive sheet assembly 2 within the mounting cavity 12.
It will be appreciated that in still other embodiments of the present invention, the cover 14 for sealing the mounting chamber 12 may be provided on the mounting frame body 13 while the first seal 15 is filled in the mounting chamber 12, whereby the sealing effect may be further ensured by double sealing.
Optionally, the cover 14 is connected to the mounting frame body 13 by a buckle. Simple structure and convenient processing.
According to some embodiments of the invention, the conductive sheet assembly 2 comprises: a bottom plate 21, side plates 22 and connection terminals 23. Wherein, bottom plate 21 ends on the diapire of installation cavity 12, and curb plate 22 encircles the periphery of bottom plate 21 and ends on the lateral wall of installation cavity 12, and binding post 23 links to each other with curb plate 22.
Referring to fig. 2, the bottom plate 21 may be formed in a circular plate-like structure, with the lower surface of the bottom plate 21 abutting against the bottom wall of the mounting chamber 12, that is, the lower surface of the bottom plate 21 abutting against the bottom wall of the mounting chamber 12. Thereby, the contact area between the bottom plate 21 and the mounting cavity 12 can be increased, so that the area of the detection surface 11 can be increased, the sensitivity of the conductive sheet assembly 2 can be improved, and real-time sensing can be realized.
The side plate 22 is formed in a ring shape, the side plate 22 is connected to the outer periphery of the bottom plate 21 and extends upward, and the side plate 22 abuts against the side wall of the installation cavity 12. For example, referring to fig. 2 and 5, the side plate 22 extends obliquely upward toward a direction away from the central axis of the bottom plate 21. The maximum radial dimension of the side plate 22 (e.g., the radial dimension of the upper end of the side plate 22 in fig. 2) is preferably greater than the radial dimension of the mounting cavity 12 where it mates with the side plate 22. Therefore, in the assembly process, the side plate 22 can be in stop fit with the side wall surface of the mounting cavity 12 after deformation, so that the displacement of the conducting strip assembly 2 is effectively prevented, the stability of the position of the conducting strip assembly 2 is improved, and the accuracy and the sensitivity of the detection of the conducting strip assembly 2 are improved.
Referring to fig. 2, the connection terminal 23 may be formed in a bar-shaped structure, one end (e.g., a lower end in fig. 2) of the connection terminal 23 is connected to the side plate 22, and the other end (e.g., an upper end in fig. 2) is formed with a penetration hole 231 penetrating through the thickness thereof, and a wire for electrically connecting the conductive sheet assembly 2 with the control device may be fixed in the penetration hole 231 to transmit a capacitance change of the conductive sheet assembly 2 to the control device.
Alternatively, the cross-section of the mounting cavity 12 gradually decreases in the top-to-bottom direction. For example, referring to fig. 2 and 5, the mounting cavity 12 may be formed in an inverted trapezoid shape. Thus, on the one hand, the conductive sheet assembly 2 can be conveniently assembled into the mounting cavity 12, and on the other hand, the liquid on the outer wall of the mounting cavity 12 can conveniently flow downwards, so that the liquid is prevented from being stuck on the mounting frame 1 to cause incorrect judgment.
According to the overflow prevention assembly 100 for the cooking utensil, disclosed by the embodiment of the invention, the boiling condition of liquid in a cooking space can be accurately judged, and misjudgment is avoided, so that the heating condition in a pot can be reasonably controlled, the overflow of the liquid is effectively prevented, and the overflow prevention effect of the overflow prevention assembly 100 and the cooking effect of the cooking utensil are improved.
A cover assembly 1000 for a cooking appliance according to an embodiment of the second aspect of the present invention is described below with reference to fig. 4 to 8.
Referring to fig. 4 to 8, a cover assembly 1000 for a cooking appliance according to a second aspect of the present invention includes: the outer cap 3, the inner cap 4 and the spill guard assembly 100 according to the above-described first aspect of the present invention.
Specifically, referring to fig. 5, the inner cap 4 is coupled to the outer cap 3, and the outer cap 3 is disposed outside the inner cap 4. The inner cover 4 is provided with a mounting hole 41, the mounting hole 41 is communicated with a cooking space of the cooking utensil, the overflow preventing assembly 100 is arranged on the inner cover 4, and the lower end of the mounting cavity 12 extends into the mounting hole 41.
Therefore, the liquid in the cooking space is convenient to contact with the detection surface 11 of the anti-overflow assembly 100, so that the boiling condition of the liquid in the cooking space can be accurately judged according to the capacitance value change condition of the conducting strip assembly 2, misjudgment is avoided, the heating condition in the pot can be reasonably controlled, the liquid is effectively prevented from overflowing, and the anti-overflow effect of the anti-overflow assembly 100 and the cooking effect of the cooking appliance are improved.
According to some embodiments of the present invention, a second seal 5 is provided between the outer cap 3 and the inner cap 4 to seal the mounting hole 41. Alternatively, the second seal 5 may be a sealing ring. The second sealing member 5 may be provided on the outer cap 3, the inner cap 4, or both the outer cap 3 and the inner cap 4.
For example, in one embodiment of the present invention, referring to fig. 8, the second seal 5 is provided on the upper surface of the inner cover 4. Specifically, the inner lid 4 is provided with a mounting boss 42, the mounting boss 42 surrounds the mounting hole 41, the mounting boss 42 is provided with a receiving groove adapted to receive the second seal member 5, and an upper surface of the second seal member 5 is adapted to abut against an inner surface of the outer lid 3. Thereby, the sealing of the mounting hole 41 can be realized through the cooperation of the outer cover 3 and the second sealing member 5, so that the sealing performance of the spill-proof assembly 100 can be further improved, and the spill-proof performance of the spill-proof assembly 100 can be improved.
According to some further embodiments of the invention, the cover assembly 1000 further comprises: the buckling structure comprises a buckling part 61 and a buckling groove part 62, one of the buckling part 61 and the buckling groove part 62 is arranged on the inner cover 4, the other of the buckling part 61 and the buckling groove part 62 is arranged on the mounting frame 1, and the buckling part 61 is matched with the buckling groove part 62 to fix the overflow preventing assembly 100 on the inner cover 4. Therefore, the spill-proof assembly 100 can be conveniently assembled on the inner cap 4, and the assembly efficiency is effectively improved compared with the technical scheme that the spill-proof assembly 100 is fixed on the inner cap 4 by screws in the related art.
Specifically, when the catching portion 61 is provided on the inner cover 4, the catching groove portion 62 is provided on the mount 1; when the catching portion 61 is provided on the mounting bracket 1, the catching groove portion 62 is provided on the inner cover 4. For example, referring to fig. 6 in combination with fig. 7, the fastening portion 61 is provided on the mount 1, and the fastening groove portion 62 is provided on the inner lid 4. The upper end of the mounting chamber 12 is provided with an outwardly extending annular flange, and the catch 61 may be provided on the upper surface of the annular flange. The catching groove portion 62 is provided adjacent to the mounting hole 41. Referring to fig. 3, when the mount 1 has the cover 14, the catching portion 61 may be provided on the outer peripheral wall of the cover 14.
Optionally, the buckling structure is a plurality of. For example, two, three, etc. The plurality of fastening structures are disposed at intervals along the circumferential direction of the mounting hole 41. Thus, the spill-resistant assembly 100 can be securely fixed to the cap assembly 1000.
According to an embodiment of the present invention, the fastening groove portion 62 is formed with a fastening groove 621, the fastening groove 621 extends along the circumferential direction of the mounting hole 41 and has one end opened to form an opening, the fastening portion 61 is provided with an insertion strip 612, and the fastening structure is configured such that the insertion strip 612 extends into the fastening groove 621 through the opening when the mounting bracket 1 is rotated in the first direction. Wherein the first direction may be a clockwise direction or a counter-clockwise direction.
For example, referring to fig. 7, the catching groove 62 is provided in the inner lid 4, and the catching groove 62 is formed in a substantially L-shape. Specifically, the catching groove part 62 includes a first section extending in the up-down direction and a second section extending in the horizontal direction, the second section being formed in a circular arc shape concentric with the mounting hole 41, the lower end of the first section being connected to the inner cap 4, the second section being connected to the first section. The lower surface of the second section and the upper surface of the inner cap 4 define therebetween a catching groove 621 having one end opened. The fastening part 61 includes a fixing part 611 provided on the mounting bracket 1, and the insertion strip 612 is connected to the fixing part 611, and the insertion strip 612 extends in a horizontal direction and may be formed in a circular arc shape to be adapted to the shape of the fastening groove 621.
Thus, during assembly, the spill guard assembly 100 may be first positioned within the mounting hole 41 such that the catch portion 61 is offset from the slot portion 62, and then the mounting bracket 1 is rotated in a first direction (e.g., clockwise) such that the mating strip 612 extends into the slot 621 through the opening. When the anti-overflow assembly 100 is disassembled, the mounting frame 1 can be rotated along the direction opposite to the first direction (for example, anticlockwise direction), so that the inserting and matching strip 612 is separated from the buckling groove 621, the assembly and disassembly of the anti-overflow assembly 100 are facilitated, the assembly efficiency of the anti-overflow assembly 100 is effectively improved, and the anti-overflow assembly is simple in structure and ingenious in design.
According to some embodiments of the invention, the cover assembly 1000 further comprises: and a stopper structure 7, the stopper structure 7 being elastically deformable on the mounting frame 1 and located downstream of the other of the catching part 61 and the catching groove part 62, the stopper structure 7 being configured to elastically deform in press-fit with the one of the catching part 61 and the catching groove part 62 when the mounting frame 1 is rotated and to return to an original shape when disengaged from the one of the catching part 61 and the catching groove part 62. Alternatively, the limiting structure 7 is integrally formed with the mounting frame 1.
Here, the term "downstream" in the present application refers to the rotational direction (i.e., downstream of the first direction) during the installation process, and correspondingly, the term "upstream" in the present application refers to the upstream of the rotational direction during the installation process.
Specifically, when the catch portion 61 is provided on the mount 1 and the catching groove portion 62 is provided on the inner cover 4, the limit structure 7 is provided downstream of the catch portion 61, and the limit structure 7 is configured to elastically deform in press-fit with the catching groove portion 62 when the mount 1 is rotated and to return to the original shape when the limit structure 7 is disengaged from the catching groove portion 62. When the catching groove part 62 is provided on the mounting frame 1 and the catching part 61 is provided on the inner cover 4, the limiting structure 7 is provided downstream of the catching groove part 62, and the limiting structure 7 is configured to elastically deform in press fit with the catching part 61 when the mounting frame 1 is rotated and to return to the original shape when the limiting structure 7 is disengaged from the catching part 61.
For example, in one embodiment of the present invention, referring to fig. 7, the fastening portion 61 is provided on the mounting bracket 1, and the fastening groove portion 62 is provided on the inner cover 4. In the process of assembling the anti-overflow assembly 100, when the mounting frame 1 is rotated along the first direction, the limiting structure 7 is extruded by the buckling groove part 62 to move towards the direction close to the mounting hole 41 to generate elastic deformation, when the inserting and matching strip 612 stretches into the buckling groove 621 and is assembled in place, the limiting structure 7 is separated from the buckling groove part 62, the limiting structure 7 is moved towards the direction far away from the mounting hole 41 to restore to the original shape because of no external force, and is stopped on the buckling groove part 62 to limit the mounting frame 1 to rotate in the direction opposite to the first direction, so that the positioning of the mounting frame 1 in the circumferential direction is realized, and the position of the anti-overflow assembly 100 is more stable.
In the process of disassembling the anti-overflow assembly 100, the limiting structure 7 can be manually deformed by applying an external force to the limiting structure 7 in the direction of the central axis of the mounting hole 41 so as to avoid the buckling groove part 62, then the mounting frame 1 is rotated in the direction opposite to the first direction, the limiting structure 7 is extruded by the buckling groove part 62 to deform in the rotating process, after the plugging strip 612 is completely separated from the buckling groove 621, the limiting structure 7 is separated from the buckling groove part 62, and the limiting structure 7 moves in the direction away from the mounting hole 41 and returns to the original shape due to no external force, so that the anti-overflow assembly 100 can be conveniently disassembled from the inner cover 4.
Specifically, the engagement block 622 is provided on the other of the fastening portion 61 and the fastening groove portion 62, the limit structure 7 includes an elastic arm 71 and a stopper block 72, the elastic arm 71 is provided on the mount 1 so as to be elastically deformable, the stopper block 72 is provided on the elastic arm 71 and extends in a direction away from the central axis of the mounting hole 41, and the elastic arm 71 is elastically deformed when the stopper block 72 and the engagement block 622 are stopped.
Referring to fig. 7, the elastic arm 71 extends in the up-down direction, the lower end of the elastic arm 71 is connected to the mounting bracket 1, the stopper 72 is provided at the upper end of the elastic arm 71, and the stopper 72 is substantially perpendicular to the elastic arm 71. The engaging block 622 is disposed on the upper surface of the buckling groove 62, and the engaging block 622 is located at one end of the buckling groove 62 adjacent to the limiting structure 7. When the mounting frame 1 is rotated, the abutting block 72 and the matching block 622 are in abutting matching to elastically deform the elastic arm 71.
Specifically, the side surface of the stopper block 72 away from the elastic arm 71 is provided with a first engagement surface 721 to be engaged with the engagement block 622, and the side surface of the engagement block 622 adjacent to the center axis of the mounting hole 41 is provided with a second engagement surface 6221 to be engaged with the first engagement surface 721, the first engagement surface 721 extending in a direction approaching the other of the click portion 61 and the click groove portion 62 in a direction away from the elastic arm 71. For example, the first mating surface 721 may be formed as a beveled or arcuate surface and the second mating surface 6221 may be adapted to the first mating surface 721 to facilitate a positive mating of the first mating surface 721 with the second mating surface 6221. Therefore, the resistance between the stop block 72 and the matching block 622 can be reduced, the disassembly and assembly difficulty of the anti-overflow assembly 100 can be reduced, and the disassembly and assembly efficiency can be improved.
Alternatively, the other of the catching part 61 and the catching groove part 62 is integrally formed with the mounting bracket 1, and the other of the catching part 61 and the catching groove part 62 is integrally formed with the inner cap 4. Thus, the processing process of the cover assembly 1000 can be simplified, and the processing cost can be reduced.
According to some embodiments of the present invention, the cover assembly 1000 further includes a steam valve having a steam passage 8 formed therein, the steam passage 8 having an air inlet 81 and an air outlet, the air inlet 81 communicating with the cooking space of the cooking appliance, and the lower end of the installation cavity 12 extending into the steam passage 8. The exhaust port may be in communication with the outside atmosphere. Steam in the cooking space may enter the steam channel 8 from the air inlet 81 and then be discharged from the air outlet. Thereby, communication between the mounting hole 41 and the cooking space can be conveniently achieved, and the structure of the cover assembly 1000 can be simplified.
Preferably, the lower end of the spill guard assembly 100 is disposed directly opposite the air inlet 81. That is, the detection surface 11 of the spill guard assembly 100 is disposed opposite the air inlet 81. For example, referring to fig. 5, the air inlet 81 extends in the up-down direction. When liquid passes through the air inlet 81 from bottom to top and enters the steam channel 8, steam and bubbles can directly impact the detection surface 11 of the anti-overflow assembly 100, so that the liquid in the cooking space can be conveniently contacted with the detection surface 11 of the anti-overflow assembly 100, the boiling condition of the liquid in the cooking space can be rapidly and accurately judged according to the capacitance value change condition of the conducting strip assembly 2, misjudgment is avoided, the heating condition in the pot can be reasonably controlled, liquid overflow is effectively prevented, and the anti-overflow effect of the anti-overflow assembly 100 and the cooking effect of the cooking appliance are improved.
The cooking appliance according to the embodiment of the third aspect of the present invention includes the cover assembly 1000 according to the above-described embodiment of the second aspect of the present invention.
Other constructions of cooking appliances, such as heating assemblies, etc., and operation thereof, according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
According to the cooking appliance according to the third aspect of the present invention, by providing the cover assembly 1000 according to the above-described second aspect of the present invention, the overall performance of the cooking appliance is improved.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. An overflow prevention assembly for a cooking appliance, comprising:
the mounting bracket, have the installation cavity in the mounting bracket, the mounting bracket is the insulating part, the mounting bracket includes: the mounting frame body is provided with a mounting cavity formed on the mounting frame body, and the top of the mounting cavity is provided with an opening; the cover body is arranged on the mounting frame body and is connected with the opening in a sealing way; and
the conducting strip assembly is sealed at the bottom of the installation cavity, a detection surface is formed on the lower surface of the installation cavity, the capacitance value of the conducting strip assembly changes according to the change of the medium quantity contacted by the detection surface, and a first sealing piece is filled in the installation cavity to seal the conducting strip assembly in the installation cavity;
the conductive sheet assembly includes:
the bottom plate is stopped against the bottom wall of the mounting cavity;
the side plate surrounds the periphery of the bottom plate and is abutted against the side wall of the mounting cavity;
and the wiring terminal is connected with the side plate.
2. The spill guard assembly for a cooking appliance as recited in claim 1, wherein the cover is coupled to the mounting bracket body by a snap fit.
3. The spill guard assembly for a cooking appliance as claimed in claim 1, wherein the cross section of the mounting cavity is gradually reduced in a top-to-bottom direction.
4. The spill guard assembly for a cooking appliance as recited in claim 1, wherein the side plate extends obliquely upward in a direction away from a central axis of the bottom plate.
5. A cover assembly for a cooking appliance, comprising:
an outer cover;
the inner cover is connected with the outer cover, a mounting hole is formed in the inner cover, and the mounting hole is communicated with a cooking space of the cooking appliance; and
the spill guard assembly of any one of claims 1-4, provided on the inner cap and having a lower end of the mounting cavity extending into the mounting aperture.
6. The cover assembly for a cooking appliance of claim 5, wherein a second seal is provided between the outer cover and the inner cover to seal the mounting hole.
7. The cover assembly for a cooking appliance of claim 5, further comprising:
the buckling structure comprises a buckling part and a buckling groove part, one of the buckling part and the buckling groove part is arranged on the inner cover, the other of the buckling part and the buckling groove part is arranged on the mounting frame, and the buckling part is matched with the buckling groove part to fix the overflow-preventing assembly on the inner cover.
8. The cover assembly for a cooking appliance according to claim 7, wherein the catching groove part is formed with a catching groove extending in a circumferential direction of the mounting hole and having one end opened to form an opening, the catching part is provided with a fitting bar, and the catching structure is configured such that the fitting bar is inserted into the catching groove through the opening when the mounting bracket is rotated in the first direction.
9. The cover assembly for a cooking appliance of claim 8, further comprising:
and the limiting structure is arranged on the mounting frame in an elastically deformable manner and positioned at the downstream of the other one of the buckling part and the buckling groove part, and is configured to generate elastic deformation when being in extrusion fit with one of the buckling part and the buckling groove part during rotation of the mounting frame and restore to the original shape when being out of fit with the one of the buckling part and the buckling groove part.
10. The cover assembly for a cooking appliance according to claim 9, wherein the other of the catching part and the catching groove part is provided with a fitting block,
the limiting structure comprises an elastic arm and a stopping block, the elastic arm is arranged on the mounting frame in an elastically deformable mode, the stopping block is arranged on the elastic arm and extends towards the direction away from the central axis of the mounting hole, and the elastic arm is elastically deformed when the stopping block and the matching block are stopped.
11. The cover assembly for a cooking appliance of claim 5, further comprising a steam valve having a steam passage formed therein, the steam passage having an air inlet and an air outlet, the air inlet being in communication with the cooking space of the cooking appliance, the lower end of the mounting cavity extending into the steam passage.
12. The cover assembly for a cooking appliance of claim 11, wherein a lower end of the spill-resistant assembly is disposed directly opposite the air inlet.
13. A cooking appliance comprising a cover assembly according to any one of claims 5-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890394.6A CN109549473B (en) | 2017-09-27 | 2017-09-27 | Spill-proof assembly for cooking utensil, cover assembly and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890394.6A CN109549473B (en) | 2017-09-27 | 2017-09-27 | Spill-proof assembly for cooking utensil, cover assembly and cooking utensil |
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| Publication Number | Publication Date |
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| CN109549473A CN109549473A (en) | 2019-04-02 |
| CN109549473B true CN109549473B (en) | 2024-03-01 |
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| CN201710890394.6A Active CN109549473B (en) | 2017-09-27 | 2017-09-27 | Spill-proof assembly for cooking utensil, cover assembly and cooking utensil |
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|---|---|
| CN109549473A (en) | 2019-04-02 |
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