CN210446687U - Cooking utensil - Google Patents

Abstract

The utility model discloses a cooking utensil, include: the pot body, pot cover and sealing member, the sealing member includes: the pot cover of the cooking utensil is in a closed cover state, the extending length of the contact area of the second sealing part and the inner pot in the height direction of the inner pot is S3, and S3 is not more than 10 mm. When the atmospheric pressure of culinary art chamber was more than or equal to atmospheric pressure, atmospheric pressure outwards extrudeed the second sealing, and the laminating of second sealing is on the internal perisporium of pot in, prescribes a limit to the sealed cooperation region of second sealing and interior pot in above-mentioned within range, not only can guarantee the stability of pot in the second sealing is sealed, can also prevent the too big pot phenomenon of inhaling that leads to of cooperation region of second sealing and interior pot, can provide convenience for the user uncaps.

Description

Cooking utensil

Technical Field

The utility model relates to a cooking utensil technical field particularly, relates to a cooking utensil.

Background

In the vacuum pressure cooking utensil in the related art, when the sealing element is used, a sealed cavity is formed between two lip edges of the sealing element and the inner pot, so that the sealing element and the inner pot are tightly sucked in the cover opening process, and the inner pot cannot be opened due to the phenomenon that the upper cover lifts the upper cover.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem to a certain extent at least.

Therefore, the utility model provides a cooking utensil, pot in the upper cover can not mention when this cooking utensil uncaps, and it is convenient to uncap.

According to the utility model discloses cooking utensil, include: the pot body, pot cover and sealing member, the pot body is including interior pot, the pot cover is switchably located between the state of uncapping and the state of closing the lid the pot body, the sealing member includes: installation department, first sealing and second sealing, first sealing with the installation department links to each other, first sealing ends the pot edge upper surface of cooking utensil' S interior pot, the second sealing with the installation department and/or first sealing links to each other, the second sealing is used for ending the internal perisporium of interior pot, wherein, the pot cover is in under closing the lid state, the second sealing with the contact area of interior pot is in the ascending extension length of direction of height of interior pot is S3, and S3 is not more than 10 mm.

According to the utility model discloses a cooking utensil, when the atmospheric pressure of culinary art chamber is more than or equal to atmospheric pressure, atmospheric pressure extrusion second sealing is laminated the second sealing on the internal perisporium of pot in, prescribes a limit to the sealed cooperation region of second sealing and interior pot in above-mentioned within range, not only can guarantee the stability of pot in the second sealing is sealed, can also prevent the too big pot phenomenon of inhaling that leads to of cooperation region of second sealing and interior pot, can uncap for the user and provide convenience.

According to an embodiment of the utility model, 2mm is less than or equal to S3 and is less than or equal to 5 mm.

According to an embodiment of the invention, the extension of the longitudinal section of the first sealing part is greater than or equal to the extension of the longitudinal section of the second sealing part.

According to an embodiment of the present invention, the extension length of the longitudinal section of the second sealing portion is S2, and S2 is 5mm or more and 20mm or less.

According to an embodiment of the invention, the thickness of the first sealing portion is less than or equal to the thickness of the second sealing portion.

According to an embodiment of the present invention, the thickness of the first sealing portion is 0.5mm-2mm, and the thickness of the second sealing portion is 1mm-3 mm.

According to the utility model discloses an embodiment, the second sealing forms the ring cooking utensil' S pot lid is in under the state of uncapping, the internal diameter of interior pot is more than or equal to the external diameter of second sealing, just the internal diameter of interior pot with the difference of the external diameter of second sealing is S4, and S4 is ≤ 2 mm.

According to an embodiment of the utility model, 0.3mm is less than or equal to S4 is less than or equal to 1 mm.

According to the utility model discloses an embodiment, first sealing is in cooking utensil' S pot lid is by the switching in-process pressurized so that of state of uncapping to the state of closing the lid first sealing end to the pot of interior pot is along the upper surface and is made the second sealing end to the internal perisporium of interior pot, the compression of first sealing is S5, and 1mm is less than or equal to S5 and is less than or equal to 20 mm.

According to an embodiment of the utility model, 3mm is less than or equal to S5 is less than or equal to 6 mm.

According to the utility model discloses an embodiment, the second seal is including being close to the first seal section that the installation department set up and keeping away from the second seal section that the installation department set up, the orientation of first seal section the roughness on one side of interior pot is greater than the orientation of second seal section the roughness on one side of the interior pot.

According to the utility model discloses an embodiment, the orientation of second sealing portion the surface of interior pot one side is formed with the recess, the recess is located first seal segment with between the second seal segment.

According to an embodiment of the invention, the second sealing portion forms an annular ring, the groove forming an annular groove extending in a circumferential direction of the second sealing portion.

According to the utility model discloses an embodiment, the anti deformability of second seal segment is less than the anti deformability of first seal segment.

According to an embodiment of the present invention, the thickness of the first seal section is greater than the thickness of the second seal section.

According to an embodiment of the invention, the thickness of the second sealing section gradually decreases in a direction away from the first sealing section.

According to an embodiment of the invention, the second seal section forms a ring, the outer diameter of the second seal section gradually decreasing in a direction away from the first seal section.

According to the utility model discloses an embodiment, first seal segment forms annular, just the orientation of first seal segment the surface of interior pot one side is formed with a plurality of archs, and is a plurality of the arch is followed first seal segment's circumference is spaced apart to be set up.

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 schematic structural view of a cooking appliance according to an embodiment of the present invention;

fig. 2 is a schematic view of a sealing fit of a sealing member of a cooking appliance according to an embodiment of the present invention;

FIG. 3 is an enlarged view at S4 of FIG. 1;

fig. 4 is a schematic structural view of a seal according to an embodiment of the present invention;

fig. 5 is a front view of a seal according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a seal according to a first embodiment of the invention;

FIG. 7 is an enlarged view at B in FIG. 6;

fig. 8 is a cross-sectional view of a seal according to a second embodiment of the invention;

FIG. 9 is an enlarged view at C of FIG. 8;

fig. 10 is a cross-sectional view of a seal according to a third embodiment of the invention;

FIG. 11 is an enlarged view at D of FIG. 10;

figure 12 is a cross-sectional view of a seal according to a fourth embodiment of the invention;

FIG. 13 is an enlarged view at E of FIG. 12;

figure 14 is a cross-sectional view of a seal according to embodiment five of the present invention;

fig. 15 is an enlarged view at F in fig. 14.

Reference numerals:

100: a cooking appliance;

10: a pan body; 11: an inner pot;

20: a pot cover; 21: a cover body; 22: a cover plate;

30: a seal member; 31: an installation part; 311: sealing the convex ribs; 312: mounting grooves; 32: a first seal portion;

321: a connecting portion; 322: a sealing edge; 33: a second seal portion; 331: a first seal section;

332: a second seal section; 333: a groove; 334: and (4) protruding.

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 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 drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A cooking appliance 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 15.

As shown in fig. 1, 2 and 3, according to an embodiment of the present invention, the cooking appliance 100 may be a vacuum cooking appliance, and the cooking appliance 100 includes: the pot comprises a pot body 10, a pot cover 20, an inner pot 11 and a sealing element 30, wherein the pot body 10 comprises the inner pot 11, the pot cover 20 is movably arranged on the pot body 10 between an opening position and a closing position, and the inner pot 11 is arranged in the pot body 10. The pot cover 20 comprises a cover body 21 and a cover plate 22, the cover body 21 is movably connected to the pot body 10, the cover plate 22 is connected to one side, facing the pot body 10, of the cover body 21, a sealing element 30 is installed on the pot cover 20 and arranged around the cover plate 22, when the pot cover 20 is located at a closed position, the pot cover 20 covers the inner pot 11 and seals an opening of the inner pot 11, and the sealing element 30 is clamped between the pot cover 20 and the pot body 10 and used for sealing a gap between the pot cover 20 and the inner pot 11.

The sealing member 30 of the cooking appliance 100 according to the embodiment of the present invention is described with reference to the accompanying drawings.

As shown in fig. 4 to 7, the sealing member 30 of the cooking appliance 100 according to the embodiment of the present invention includes: a mounting portion 31, a first seal portion 32, and a second seal portion 33.

Specifically, the mounting portion 31 is adapted to be connected to the lid 20 for mounting the sealing member 30 on the lid 20, and the mounting portion 31 is shaped like the general shape of the sealing member 30, for example, if the sealing ring 30 is annular, the mounting portion 31 is formed in an annular shape disposed around the lid plate 22, and if the sealing ring 30 is elliptical, the mounting portion 31 is formed in an elliptical annular shape disposed around the lid plate 22.

The first sealing portion 32 is connected to the mounting portion 31, the first sealing portion 32 may be disposed around the mounting portion 31, if the mounting portion 31 is formed in a ring shape, the first sealing portion 32 extends outward in a radial direction of the mounting portion 31, the first sealing portion 32 is used for stopping against an upper surface of a rim of the inner pot 11 of the cooking utensil 100, and the first sealing portion 32 is used for sealing between the lid 20 of the cooking utensil 100 and the upper surface of the rim of the inner pot 11. The second sealing portion 33 is connected to the mounting portion 31 or the first sealing portion 32 for abutting against the inner circumferential wall of the inner pot 11, for example, the mounting portion 31 is formed in a ring shape, the second sealing portion 33 is disposed around the mounting portion 31 and extends in the axial direction of the mounting portion 31, a surface of the second sealing portion 33 facing the side of the inner pot 11 is in sealing engagement with the inner circumferential wall of the inner pot 11 when the pot cover 20 is in the closed position, and the second sealing portion 33 is used for sealing between the pot cover 20 and the inner circumferential wall of the inner pot 11.

Further, when the cooking cavity of the cooking appliance 100 is equal to or greater than the atmospheric pressure, a side surface of the second sealing portion 33 facing the inner wall of the inner pot 11 is adapted to abut against the inner circumferential wall of the inner pot 11 and a contact area of the second sealing portion 33 with the inner pot 11 has a dimension S3 in an extending direction of a longitudinal section of the second sealing portion 33.

When the second sealing part 33 is in sealing fit with the inner pot 11 in a state that the air pressure of the cooking cavity is equal to or greater than the atmospheric pressure, the area of the part of the surface of the second sealing part 33 facing the side of the inner pot 11 and the inner peripheral wall of the inner pot 11 are in sealing contact is formed into a cylindrical structure, the size of the cylindrical sealing contact area in the axial direction of the second sealing part 33 is S3, and S3 is less than or equal to 10 mm.

Therefore, according to the utility model discloses cooking utensil's sealing member 30, interior pot 11 is under ordinary pressure or malleation state, atmospheric pressure extrusion second sealing 33, the laminating of second sealing 33 is on the internal perisporium of interior pot 11, stability is great, inject second sealing 33 and the sealed cooperation region of interior pot 11 in above-mentioned within range, not only can guarantee the stability of pot 11 in the second sealing 33 is sealed, can also prevent the too big pot phenomenon of inhaling that leads to of second sealing 33 and interior pot 11's cooperation region, can open the lid for the user and provide convenience.

According to the utility model discloses cooking utensil 100 through the sealing member 30 that adopts above-mentioned structure, not only can guarantee cooking utensil 100's seal, can also prevent that cooking utensil 100 from taking place to inhale pot phenomenon when uncapping, provides convenience for the user uncaps.

Further, S3 is larger than or equal to 2mm and smaller than or equal to 5mm, that is, the size of the contact area of the second sealing part 33 and the inner pot 11 in the extending direction of the longitudinal section of the second sealing part 33 is between 2mm and 5mm, on the premise that the second sealing part 33 seals the inner pot 11, the sealing element 30 can be further conveniently separated from the inner pot 11, and the pot sucking phenomenon can be prevented.

According to an embodiment of the present invention, the extension of the longitudinal section of the first sealing part 32 is greater than or equal to the extension of the longitudinal section of the second sealing part 33, i.e. the distance S1 between the side of the first sealing part 32 remote from the mounting part 31 and the surface of the side of the second sealing part 33 facing the inner pot 11 is greater than or equal to the distance S2 between the end of the second sealing part 33 remote from the mounting part 31 and the first sealing part 32. When the inner pot 11 generates normal pressure or positive pressure, the surface of one side of the second sealing part 33 facing the inner pot 11 is tightly attached to the inner peripheral wall of the inner pot 11 to realize the sealing of the cooking cavity, and when negative pressure is formed in the inner pot 11, the lower surface of the first sealing part 32 is attached to the pot edge of the inner pot 11 to realize the sealing of the cooking cavity.

According to the utility model discloses cooking utensil 100's sealing member 30, when pot 11 negative pressure in first sealing portion 32 can promote, the cooperation stability on first sealing portion 32 and interior pot 11 pot edge, promote sealed effect, the interference amount when second sealing portion 33 can effective control second sealing portion 33 and the interior perisporium sealing fit of interior pot 11, not only can guarantee the seal in culinary art chamber, can also prevent that the interference amount from leading to taking place between sealing member 30 and the interior pot 11 and inhale a pot phenomenon too greatly, it provides convenience to uncap for the user.

As shown in FIG. 7, according to an embodiment of the present invention, the longitudinal section of the second sealing portion 33 has an extension length S2, S2 is 5mm or more and 20mm or less. That is to say, the extension of the second sealing portion 33 in the height direction of the cooking cavity is between 5mm and 20mm, the second sealing portion 33 in the above size range has good tightness and strong stability, which not only can prevent the stability of the inner pot 11 sealed by the second sealing portion 33 from being affected by the too short extension of the longitudinal section of the second sealing portion 33, but also can prevent the sealing cavity formed by the second sealing portion 33, the first sealing portion 32 and the inner pot 11 due to the matching of the pot edge of the inner pot 11 and the second sealing portion 33 and the sealing member 30 from being adsorbed on the inner pot 11 due to the too long extension of the longitudinal section of the second sealing portion 33.

As shown in FIG. 7, according to an embodiment of the present invention, the thickness of the first sealing portion 32 is less than or equal to the thickness of the second sealing portion 33, wherein the thickness of the first sealing portion 32 is W1, W1 is 0.5mm or more and 2mm or less, the thickness of the second sealing portion 33 is W2, and W2 is 1mm or more and 3mm or less.

Generally, the lid 20 covers the pot body 10, when the pressure in the cooking cavity is lower than the atmospheric pressure, the first sealing portion 32 is attached to the inner pot 11, and the attaching effect of the first sealing portion 32 to the inner pot 11 is affected by the excessive thickness. When the atmospheric pressure of culinary art chamber is greater than atmospheric pressure, second sealing 33 is used for the inner wall of sealed interior pot 11, and the pressure of culinary art chamber is big more, and pot cover 20 can produce ascending displacement more, can guarantee through the thickness that increases second sealing 33 that second sealing 33 can bear certain pressure after can not turning up, is favorable to promoting the sealed effect of sealing member 30.

According to an embodiment of the present invention, the second sealing portion 33 forms a ring shape, and when the lid 20 of the cooking utensil 100 is in the open state, the inner diameter of the inner pot 11 is greater than or equal to the outer diameter of the second sealing portion 33, and the difference between the inner diameter of the inner pot 11 and the outer diameter of the second sealing portion 33 is S4, S4 is less than or equal to 2 mm.

As shown in fig. 3, when the air pressure in the cooking cavity of the cooking appliance 100 is equal to or less than the atmospheric pressure, the gap between the surface of the portion of the second sealing part 33 close to the first sealing part 32 on the side facing the inner pot 11 and the inner circumferential wall of the inner pot 11 is S4, and S4 is less than or equal to 2 mm. That is, when the air pressure in the cooking cavity is equal to or less than the atmospheric pressure, the surface of the second sealing portion 33 facing the side of the inner pot 11 is spaced apart from the inner circumferential wall of the inner pot 11, the gap between the surface of the second sealing portion 33 facing the side of the inner pot 11 and the inner circumferential wall of the inner pot 11 is less than 2mm, and the second sealing portion 33 is deformed toward the inner pot 11, when the deformation reaches 2mm, the surface of the second sealing part 33 facing the inner pot 11 is in sealing fit with the inner circumferential wall of the inner pot 11, the pot 11 in can providing convenience for the sealed cooperation of second sealing 33, prevent that second sealing 33 from influencing the leakproofness of second sealing 33 and interior pot 11 to the clearance between the inside perisporium of pot 11 and the lateral surface of pot 11 in towards too big, can also prevent that second sealing 33 from laminating all the time and leading to the sealing member 30 to take place to inhale the pot phenomenon on the inside perisporium of pot 11 in.

Further, S4 is greater than or equal to 0.3mm and less than or equal to 1mm, that is, the gap between the side surface of the second sealing portion 33 facing the inner pot 11 and the inner peripheral wall of the inner pot 11 is greater than or equal to 0.3mm and less than 1mm, when the second sealing portion 33 deforms towards the inner pot 11, when the deformation amount reaches 1mm, the side surface of the second sealing portion 33 facing the inner pot 11 is in sealing fit with the inner peripheral wall of the inner pot 11, which can provide convenience for the inner pot 11 in sealing fit with the second sealing portion 33, and can prevent the pot suction phenomenon of the sealing element 30 caused by the second sealing portion 33 always fitting on the inner peripheral wall of the inner pot 11.

As shown in fig. 3, according to an embodiment of the present invention, the first sealing portion 32 is pressed in the process of switching the lid 20 of the cooking utensil from the open lid state to the closed lid state, so that the first sealing portion 32 abuts against the upper surface of the rim of the inner pot 11 and the second sealing portion 33 abuts against the inner peripheral wall of the inner pot 11, the compression amount of the first sealing portion 32 is S5, and S5 is not less than 1mm and not more than 20 mm.

The first sealing part 32 and the second sealing part 33 are arranged in a crossed manner, in a state that the sealing element 30 is not stressed, the shape of the outer contour of the cross-sectional shape of the second sealing part 33 is the same as the shape of the opening of the inner pot 11, and the outer contour of the cross-sectional shape of the second sealing part 33 is slightly smaller than the opening of the inner pot 11, when the sealing element 30 is fitted between the pot body 10 and the pot cover 20, the second sealing part 33 can smoothly extend into the inner pot 11, when the pot cover 20 is fitted with the upper surface of the pot edge of the inner pot 11 to press the first sealing part 32, the first sealing part 32 is stressed to cause the second sealing part 33 to generate corresponding deformation, and after the deformation of the second sealing part 33, one side surface facing the inner wall of the inner pot 11 abuts against the inner wall of the inner pot 11 to complete sealing.

The compression amount of the first sealing part 32 is S5, that is, the side of the first sealing part 32 far from the mounting part 31 is inclined downwards, in the height direction of the cooking cavity, the two sides of the first sealing part 32 are arranged at intervals, the distance between the two sides of the first sealing part 32 in the height direction of the cooking cavity is S5, and because the two sides are approximately flush when the first sealing part 32 is attached to the upper wall surface of the pot rim of the inner pot 11, the deformation amount generated by the side of the first sealing part 32 far from the mounting part 31 relative to the side of the first sealing part near the mounting part 31 in the compression process of the first sealing part 32 is S5, wherein 1mm is not less than S5 and not more than 20 mm; specifically, S5 is more than or equal to 3mm and less than or equal to 6 mm.

In the deformation process of the compression amount of the first sealing part 32 in the size range, the first sealing part 32 can be better attached to the upper surface of the pot edge of the inner pot 11, and the second sealing part 33 can be driven to be attached to the inner wall of the inner pot 11 under the stress, so that the sealing effect of the sealing element 30 is improved.

As shown in fig. 10 and 11, the second sealing portion 33 is formed in an annular shape and includes a first sealing section 331 disposed close to the mounting portion 31 and a second sealing section 332 disposed far from the mounting portion 31, and taking the sealing member 31 of an annular structure as an example, in an axial direction of the mounting portion 31, the second sealing portion 33 includes a first sealing section 331 and a second sealing section 332, the first sealing section is connected to the mounting portion 31 or the first sealing portion 32 and extends along a circumferential direction of the first sealing portion 32, and the second sealing section is connected to an end of the first sealing section far from the first sealing portion 32.

Further, the surface roughness of the first sealing section 331 facing the inner pan 11 is greater than the surface roughness of the second sealing section 332 facing the inner pan side, the surface roughness of a portion of the second sealing portion 33 facing the inner pan 11 side surface adjacent to the mounting portion 31 or the first sealing portion 32 is greater, and the surface roughness of a portion of the second sealing portion 33 facing the inner pan 11 side surface away from the mounting portion 31 or the first sealing portion 32 is smaller.

When the lid 20 is in the closed position, a side surface of the second sealing portion 33 facing the inner pot 11 is engaged with the inner circumferential wall of the inner pot 11, when the pressure inside the inner pot 11 is high, the second sealing portion 33 is deformed toward the inner wall of the inner pot 11 under the action of the air pressure, and a side surface of the second sealing portion 33 facing the inner wall of the inner pot 11 is abutted against the inner circumferential wall of the inner pot 11, so that the second sealing portion 33 and the inner circumferential wall of the inner pot 11 have a good sealing effect due to the small surface roughness of the second sealing section 332.

After the cooking utensil 100 finishes cooking food, the pressure in the inner pot 11 is reduced to normal pressure, the acting force of the air pressure on the second sealing part 33 is eliminated, the deformation of the second sealing part 33 is recovered, the acting force between one side surface of the inner wall of the inner pot 11 and the inner peripheral wall of the inner pot 11 of the second sealing part 33 is eliminated, because the surface roughness of the first sealing section 331 is large, air can enter the inner pot 11 through the gap between the first sealing section 331 and the inner peripheral wall of the inner pot 11, the sealing element 30 is prevented from being adsorbed on the upper surface of the pot edge of the inner pot 11, and convenience is provided for separating the sealing element 30 from the inner pot 11.

According to the utility model discloses a sealing member 30 of cooking utensil 100, through setting up the first seal segment 331 and the second seal segment 332 that roughness is different, not only can guarantee the leakproofness of pot 11 in the sealing member 30 is sealed, can prevent moreover that sealing member 30 from pasting to establish on the pot edge of pot 11 in, when pot lid 20 is opened, interior pot 11 breaks away from with sealing member 30 easily, and then pot 11 is mentioned in preventing when opening pot lid 20.

As shown in fig. 11, according to an embodiment of the present invention, a surface of the second sealing portion 33 facing the inner wall side of the inner pan 11 is formed with a groove 333, and the groove 333 is located between the first sealing section 331 and the second sealing section 332.

Through the groove 333 between the first sealing section 331 and the second sealing section 332, when the pressure in the inner pot 11 increases and presses the second sealing section to generate deformation towards the inner pot 11, the second sealing section 332 presses the groove 333, which is beneficial to improving the stability and the tightness of the matching of the second annular sealing part and the inner peripheral wall of the inner pot 11, and the groove 333 has the advantages of simple structure, easy manufacture and lower production cost.

Further, the second sealing portion 33 is formed in a ring shape, the groove 333 is formed as an annular groove extending along the circumferential direction of the second sealing portion 33, and the groove 333 is formed as an annular groove, so that the uniformity and stability of radial deformation of the first sealing section 331 can be improved, the same deformation amount of the second sealing section 332 in the circumferential direction can be ensured, and the effect of sealing the second sealing portion 33 and the inner pot 11 due to radial deformation of only a local part of the second sealing section 332 can be prevented.

According to the utility model discloses a some embodiments, the anti deformability of second seal segment 332 is less than the anti deformability of first seal segment 331, and after the atress, because the anti deformability of second seal segment 332 is less, the deformation of production is great, can promote the sealed effect of second seal segment 332 and interior pot 11 inner wall.

According to the utility model discloses an embodiment, the thickness of first seal segment 331 is greater than the thickness of second seal segment 332, and on the one hand, through the thickness that reduces second seal segment 332, produce for second annular seal portion and warp and provide convenience, be favorable to promoting second seal segment 332 and interior pot 11 complex leakproofness. On the other hand, the thickness of the second sealing section 332 is smaller, the inner peripheral wall of the first sealing section 331 is flush with the inner peripheral wall of the second sealing section 332, and when the side surface of the first sealing section 331 facing the inner pan 11 abuts against the inner peripheral wall of the inner pan 11 under the condition that the second sealing section 332 is not subjected to an external force, the side surface of the second sealing section 332 facing the inner pan 11 is spaced from the inner peripheral wall of the inner pan 11, and the separation of the sealing element 30 from the inner pan 11 is facilitated due to the fact that the surface roughness of the first sealing section 331 is larger and the adsorption between the inner pan 11 is smaller.

As shown in fig. 12 and 13, according to an embodiment of the present invention, the thickness of the second sealing section 332 is gradually reduced in the direction away from the first sealing section 331, and similarly, by gradually reducing the thickness of the second sealing section 332, not only the effect of the second sealing section 332 for sealing the inner pot 11 can be improved, but also when the second sealing section 332 is not stressed, a side surface of the second sealing section 332 facing the inner pot 11 is spaced apart from the inner peripheral wall of the inner pot 11, so as to prevent the inner pot 11 from being lifted when the lid 20 is opened.

As shown in fig. 13, according to an embodiment of the present invention, the second sealing section 332 is similar to the sealing member 30, and is formed in a ring shape, the outer diameter of the second sealing section 332 is gradually decreased in the direction away from the first sealing section 331, that is, the distance between one side surface of the second sealing section 332 facing the inner pot 11 and the inner peripheral wall of the inner pot 11 is gradually increased, when the second sealing section 332 is not subjected to external force and the first sealing section 331 is not tightly attached to the inner peripheral wall of the inner pot 11, the second sealing portion 33 is easily separated from the inner peripheral wall of the inner pot 11, and further, the cover opening of the lid 20 is facilitated, and the inner pot 11 is prevented from being lifted by the lid 20.

As shown in fig. 14 and 15, according to an embodiment of the present invention, the first sealing section 331 is formed in a ring shape, and a plurality of protrusions 334 are formed on a side surface of the first sealing section 331 facing the inner pot 11, the protrusions 334 protruding outward in a radial direction of the first sealing section 331 may be formed in a hemispherical structure, and the plurality of protrusions 334 are spaced apart from each other in a circumferential direction of the first sealing section 331.

By providing the protrusions 334 on the side surface of the first sealing section 331 facing the inner pan 11, a gap is formed between the adjacent protrusions 334, when the side surface of the first sealing section 331 facing the inner pan 11 abuts on the inner peripheral wall of the inner pan 11, air can enter the inner pan 11 through the gap between the adjacent protrusions 334, thereby improving the surface roughness of the first sealing section 331 facing the side of the inner pan 11, and further providing convenience for the separation of the sealing element 30 from the inner pan 11.

In this embodiment, the mounting portion 31 is formed in a ring shape, a sealing rib 311 extending along a circumferential direction of the mounting portion 31 is provided on an inner circumferential wall of the mounting portion 31, the sealing rib 311 protrudes inward along the inner circumferential wall of the mounting portion 31, and the sealing rib 311 is used for sealing between the mounting portion 31 and the lid 20. By providing the sealing rib 311 on the mounting portion 31, the stability and the sealing performance of the sealing member 30 mounted on the lid 20 can be improved, and the steam in the inner pot 11 can be prevented from leaking through the gap between the mounting portion 31 and the lid 20.

As shown in fig. 7, according to an embodiment of the present invention, one end of the mounting portion 31 is connected to the first sealing portion 32, the second sealing portion 33 is connected to the first sealing portion 32, the mounting portion 31 and the first sealing portion 32 are both formed in a ring shape, the inner side of the ring-shaped first sealing portion 32 protrudes from the inner peripheral wall of the mounting portion 31, that is, the lower end of the mounting portion 31 is connected to the upper surface of the first sealing portion 31, the inner diameter of the ring-shaped first sealing portion 32 is smaller than the inner diameter of the ring-shaped mounting portion 31, and the inner peripheral edge of the first sealing portion 32 protrudes inward to improve the sealing effect between the inner side of the mounting portion 31 and the pot cover 20.

Wherein, the one end of installing part 31 far away from first sealing 32 defines opening and defines mounting groove 312 towards first sealing 32, and specifically speaking, installing part 31 forms the annular, and the one end of installing part 31 far away from first sealing 32 is formed with the turn-ups of outwards buckling, and the turn-ups bends towards first sealing 32 and defines mounting groove 312. Through set up mounting groove 312 on installation department 31, can provide convenience for the assembly of sealing member 30, not only can promote assembly efficiency, can also promote assembly stability and the seal of sealing member 30 installation on pot cover 20.

As shown in fig. 7, according to an embodiment of the present invention, the installation portion 31, the first sealing portion 32 and the second sealing portion 33 are integrally formed, that is, the sealing portion, the first sealing portion 32 and the second sealing portion 33 are formed by one-step manufacturing process, the integrally formed sealing member 30 can improve the structural stability and reliability of the sealing member 30, not only can improve the connection stability between the installation portion 31, the first sealing portion 32 and the second sealing portion 33, but also can simplify the connection structure and connection process between the installation portion 31, the first sealing portion 32 and the second sealing portion 33, and improve the assembly efficiency of the sealing member 30.

The sealing element 30 is made of silica gel, the hardness of the silica gel is 40-80, preferably 55-70, and the elasticity of the silica gel sealing element 30 with the hardness is moderate, so that the first sealing part 32 and the second sealing part 33 can be well attached to the inner pot 11 in a cover closing state, and the second sealing part 33 can be driven to be attached to the inner wall of the inner pot 11 when the first sealing part 32 is compressed.

As shown in fig. 11, in the present embodiment, the first seal portion 32 includes: a connecting portion 321 and a sealing rim 322, the connecting portion 321 being connected to the mounting portion 31 and disposed around the mounting portion 31, the connecting portion 321 and the sealing rim 322 each being formed in a ring shape, an upper surface of the ring-shaped connecting portion 321 being connected to a lower end of the mounting portion 31, an inner side of the ring-shaped sealing rim 322 being connected to an outer side of the ring-shaped connecting portion 321, and the second sealing portion 33 being connected to a bottom of the connecting portion 321.

As shown in fig. 8 and 9, the sealing edge 322 is gradually inclined downwards in a direction away from the mounting portion 31, when the sealing member 30 is fitted on the inner pot 11, the first sealing portion 32 covers the pot edge of the inner pot 11, the outer circumferential edge of the sealing edge 322 is inclined downwards, so that the outer circumferential edge of the sealing edge 322 is firstly abutted on the pot edge of the inner pot 11, and the sealing edge 322 is clamped between the pot cover 20 and the pot edge of the inner pot 11 under the action of the pot cover 20.

Other constructions and operations of the cooking appliance 100 according to the embodiments 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 is to 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (18)

1. A cooking appliance, comprising:

a pan body including an inner pan;

the pot cover is arranged on the pot body in a switchable manner between an opening state and a closing state;

a seal, the seal comprising:

a mounting part mounted to the pot cover;

the first sealing part is connected with the mounting part and used for stopping the upper surface of the pot edge of the inner pot;

a second sealing part connected with the mounting part and/or the first sealing part, the second sealing part being used for stopping the inner circumferential wall of the inner pan,

when the cooker cover is in a closed state, the extension length of the contact area of the second sealing part and the inner cooker in the height direction of the inner cooker is S3, and S3 is not more than 10 mm.

2. The cooking appliance of claim 1, wherein 2mm ≦ S3 ≦ 5 mm.

3. The cooking appliance of claim 1, wherein an extension of a longitudinal section of the first sealing portion is greater than or equal to an extension of a longitudinal section of the second sealing portion.

4. The cooking appliance according to claim 1, wherein the second sealing part has a longitudinal section extending in length S2, 5mm ≦ S2 ≦ 20 mm.

5. The cooking appliance of claim 1, wherein a thickness of the first sealing portion is less than or equal to a thickness of the second sealing portion.

6. The cooking appliance according to claim 1, wherein the first sealing portion has a thickness of 0.5mm to 2mm and the second sealing portion has a thickness of 1mm to 3 mm.

7. The cooking appliance according to claim 1, wherein the second sealing portion is formed in a ring shape, an inner diameter of the inner pot is greater than or equal to an outer diameter of the second sealing portion in a state that the lid is opened, and a difference between the inner diameter of the inner pot and the outer diameter of the second sealing portion is S4, S4 ≦ 2 mm.

8. The cooking appliance of claim 7, wherein 0.3mm ≦ S4 ≦ 1 mm.

9. The cooking appliance according to claim 1, wherein the first sealing portion is pressed during the switching process of the lid from the open state to the closed state so that the first sealing portion abuts against the upper surface of the rim of the inner pot and the second sealing portion abuts against the inner peripheral wall of the inner pot, and the compression amount of the first sealing portion is S5, and S5 is not less than 1mm and not more than 20 mm.

10. The cooking appliance of claim 9, wherein 3mm ≦ S5 ≦ 6 mm.

11. The cooking appliance of claim 1, wherein the second sealing portion includes a first sealing section disposed proximate to the mounting portion and a second sealing section disposed distal from the mounting portion, a surface roughness of the first sealing section toward the inner pan side being greater than a surface roughness of the second sealing section toward the inner pan side.

12. The cooking appliance of claim 11, wherein a surface of the second sealing portion facing the inner pan is formed with a groove between the first sealing section and the second sealing section.

13. The cooking appliance of claim 12, wherein the second sealing portion forms an annular shape, the groove forming an annular groove extending along a circumference of the second sealing portion.

14. The cooking appliance of claim 11, wherein the second sealing section has a deformation resistance less than a deformation resistance of the first sealing section.

15. The cooking appliance of claim 11, wherein the first sealing section has a thickness greater than a thickness of the second sealing section.

16. The cooking appliance of claim 11, wherein the thickness of the second sealing section tapers in a direction away from the first sealing section.

17. The cooking appliance of claim 11, wherein the second seal segment forms an annular shape, the second seal segment having an outer diameter that gradually decreases in a direction away from the first seal segment.

18. The cooking appliance of claim 11, wherein the first sealing section is formed in a ring shape, and a surface of the first sealing section facing the inner pan is formed with a plurality of protrusions, the plurality of protrusions being spaced apart along a circumference of the first sealing section.

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