CN107752740B - Sealing ring on cover plate assembly, upper cover assembly and electric appliance - Google Patents
Sealing ring on cover plate assembly, upper cover assembly and electric appliance Download PDFInfo
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- CN107752740B CN107752740B CN201610682490.7A CN201610682490A CN107752740B CN 107752740 B CN107752740 B CN 107752740B CN 201610682490 A CN201610682490 A CN 201610682490A CN 107752740 B CN107752740 B CN 107752740B
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- plate assembly
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- 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
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to a sealing ring on a cover plate assembly, the cover plate assembly, an upper cover assembly and an electric appliance, wherein the sealing ring comprises an installation part and a sealing part which are integrally connected, the longitudinal section of the installation part is 'gamma' -shaped and is hermetically installed on one side surface of the cover plate assembly, and the sealing part extends out from one side surface of the cover plate assembly along the direction deviating from the cover plate assembly; when the cover plate component is buckled on the cooking vessel, the sealing part is abutted on the open edge of the cooking vessel, one side surface of the sealing part in the cooking vessel is a diversion cambered surface, and one end of the diversion cambered surface, which is far away from the cover plate component, is positioned right below or outside one end of the diversion cambered surface, which is close to the cover plate component. When the sealing part is abutted on the open edge of the cooking utensil, one side surface of the sealing part in the cooking utensil is a water diversion cambered surface, so that condensed water is convenient to slide off from the sealing ring, the sealing ring is kept in a water-free state, and the phenomenon of water accumulation in the cover plate assembly caused by steam condensation in the cooking process can be avoided; and the soup or rice which splashes on the cambered surface of the water diversion can be conveniently cleaned.
Description
Technical Field
The invention relates to the technical field of small household appliances, in particular to a sealing ring on a cover plate assembly, the cover plate assembly, an upper cover assembly and an electric appliance.
Background
In products such as current electric pressure cooker, electric rice cooker, because the structural design's of sealing washer problem leads to the comdenstion water that the in-process of cooking or condensation in-process produced to condense in the sealing washer easily, and the user uncaps back condensate water landing in the rice cooker shell cover, influences customer's experience effect, and is more serious, can arouse user's complaint because of the problem that water produced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sealing ring on a cover plate assembly, the cover plate assembly, an upper cover assembly and an electric appliance aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: the sealing ring on the cover plate assembly comprises an installation part and a sealing part which are integrally connected, wherein the longitudinal section of the installation part is of a 'gamma' -shape and is hermetically installed on one side surface of the cover plate assembly, and the sealing part extends out from one side surface of the cover plate assembly along the direction deviating from the cover plate assembly; when the cover plate component is buckled on the cooking vessel, the sealing part is abutted on the open edge of the cooking vessel, one side surface of the sealing part, which is positioned in the cooking vessel, is a diversion cambered surface, and one end, which is far away from the cover plate component, of the diversion cambered surface is positioned right below or outside one end, which is close to the cover plate component, of the diversion cambered surface.
The beneficial effects of the invention are as follows: when the sealing part is abutted on the open edge of the cooking utensil, one side surface of the sealing part in the cooking utensil is a water diversion cambered surface, so that condensed water can slide off the sealing ring conveniently, the sealing ring is kept in a water-free state, and the phenomenon of water accumulation in the sealing ring caused by steam condensation in the cooking process can be avoided; on the other hand, the soup or rice which splashes on the cambered surface of the water diversion can be conveniently cleaned.
On the basis of the technical scheme, the invention can be improved as follows.
Further, in the arc formed by the same longitudinal section of the diversion cambered surface, the included angle between any two point connecting lines and the downward direction of the central axis of the sealing ring is more than or equal to 0 degree and less than or equal to 90 degrees.
The beneficial effects of adopting the further scheme are as follows: the problem of poor sealing or water diversion effect caused by overlarge bending radian of the water diversion cambered surface can be avoided by limiting the included angle between any two points and the central axis of the sealing ring in the downward direction in the arc formed by any one longitudinal section of the water diversion cambered surface.
Further, the diversion cambered surface is formed by the fact that the sealing ring is recessed towards the direction away from the central axis of the sealing ring.
The beneficial effects of adopting the further scheme are as follows: by setting the diversion cambered surface to be concave, compared with the diversion cambered surface formed by the bulge, the diversion effect and the sealing effect are better.
Further, an included angle between a tangent line of any point on the diversion cambered surface and the downward direction of the central axis of the sealing ring is more than or equal to 0 degrees and less than or equal to 90 degrees.
The beneficial effects of adopting the further scheme are as follows: the included angle between the tangent line of any point on the diversion cambered surface and the downward direction of the central axis of the sealing ring is limited, so that the problem of poor sealing or diversion effect caused by overlarge radian of the diversion cambered surface is avoided.
Further, the inside of the sealing part is provided with evenly arranged gaps.
The beneficial effects of adopting the further scheme are as follows: through setting up the inside space that evenly arranges of sealing part, its aim at produces the pre-compaction of low stress large deformation when the sealing washer butt seals on cooking utensil open border, makes sealing washer sealing interface and cooking utensil open border's sealing contact inseparabler, and sealing washer durability improves.
Further, the gap is in an annular structure arranged around the central axis of the sealing ring.
The beneficial effects of adopting the further scheme are as follows: the gap of the annular structure enables the pre-pressing generated when the sealing ring is abutted on the open edge of the cooking utensil to be larger, and is more beneficial to the sealing contact between the sealing interface of the sealing ring and the open edge of the cooking utensil.
Further, the sealing part comprises a connecting section, a water diversion section and a pressure bearing section which are sequentially connected, and the mounting part is connected with the connecting section; the water diversion section, the connecting section and the pressure bearing section are all arranged in an annular mode around the central axis of the sealing ring, and the water diversion section, the connecting section and the pressure bearing section enclose a gap of the annular structure;
one end of the water diversion section is abutted on the cover plate assembly, and the other end of the water diversion section is abutted on the open edge of the cooking vessel; the diversion cambered surface is a side surface of the diversion section, which is close to the central axis of the sealing ring; the connecting section seals and shields the connecting part of the mounting part and the cover plate component.
The beneficial effects of adopting the further scheme are as follows: through the arrangement of the water diversion section, the connecting section and the pressure-bearing section, two ends of the water diversion section are respectively abutted against one side surface of the cover plate assembly and the edge of the open end of the cooking utensil, and on one hand, the sealing ring is not easy to deform in other directions except the vertical direction when being abutted against the open edge of the cooking utensil for extrusion sealing; on the other hand, due to the arrangement of the diversion cambered surface structure of the diversion section, condensed water generated by steam condensation in the cooking utensil slides into the cooking utensil along the diversion cambered surface structure of the diversion section, so that the phenomenon of water accumulation on the sealing ring or the cover plate is avoided.
Further, the connecting section comprises a sealing connecting section and a buffer section, one end of the sealing connecting section is connected with one end of the water diversion section, the other end of the sealing connecting section is connected with one end of the buffer section, the other end of the buffer section is connected with one end of the pressure-bearing section, and the other end of the pressure-bearing section is connected with the other end of the water diversion section;
the mounting part is connected to the sealing connection section, and the sealing connection section seals and shields the joint of the mounting part and the cover plate assembly; and a gap is reserved between the buffer section and the cover plate component.
The beneficial effects of adopting the further scheme are as follows: through setting up seal connection section and buffer section, can be with the junction seal of installation department and apron subassembly shielding on the one hand, on the other hand also provides certain buffering space when receiving the extrusion for the sealing washer, avoids the too big and make apron subassembly be difficult to the lock of pressure of sealing washer.
Further, a side surface of the sealing connection section, which is close to the cover plate assembly, is a cambered surface protruding towards the joint of the mounting part and the cover plate assembly, a side surface of the buffering section, which is close to the cover plate assembly, is a buffering inclined surface, and an included angle between the buffering inclined surface and the cover plate assembly is larger than 0 degrees.
The beneficial effects of adopting the further scheme are as follows: by arranging the sealing connecting section to be close to one side face of the cover plate assembly to be an arc face, the sealing effect of the connecting part of the mounting part and the cover plate assembly is better.
Further, the ratio of the area of the hollow longitudinal section in the sealing portion to the area of the solid longitudinal section in the sealing portion is 1 to 8.
The beneficial effects of adopting the further scheme are as follows: because the air is filled in the gap, the air in the gap plays a role in heat insulation, the temperatures of the water diversion inclined plane of the sealing part and the outer side face of the water diversion inclined plane are relatively close, and the problem that more condensed water is easy to generate on the water diversion inclined plane due to large internal and external temperature difference caused by low temperature of the outer side face of the water diversion inclined plane due to heat transfer with the outside can be avoided by reasonably setting the ratio of the longitudinal section area of the gap of the sealing part to the longitudinal section area of the solid part of the sealing part.
Further, the hardness of the solid portion in the seal portion is 30A to 75A.
The beneficial effects of adopting the further scheme are as follows: since the thickness of the solid part of the sealing part is inversely proportional to the hardness thereof, the higher the hardness is, the smaller the deformation amount of the solid part is, which is unfavorable for sealing; and under the same hardness, the thickness of the steel plate is thinned, so that the deformation amount of the steel plate can be increased; in this embodiment, the hardness of the solid portion of the sealing portion is reasonably defined, so that the deformation amount of the sealing portion can be reasonably controlled by the change of the thickness of the solid portion of the sealing portion.
The utility model provides a apron subassembly, includes apron body, annular structure's clamp plate and sealing washer as above, the clamp plate crimping be in on the circumference edge of apron body and with form an annular gap between the apron body, the installation department sealing crimping is in annular gap is interior and be located the interior ring side of clamp plate, sealing portion follows annular gap is followed deviating from apron subassembly's direction extends and with annular gap seals and shelters from.
The beneficial effects of the invention are as follows: when the sealing part of the sealing ring is arranged to be abutted on the edge of the opening of the cooking vessel, one side surface of the sealing part in the cooking vessel is a water diversion cambered surface, so that condensed water can conveniently slide out of the sealing ring, the sealing ring is kept in a non-water state, and the phenomenon of water accumulation in the sealing ring caused by steam condensation in the cooking process can be avoided.
An upper cover assembly comprises a cover body and the cover plate assembly, wherein the other side surface of the cover plate assembly is connected to the cover body.
The beneficial effects of the invention are as follows: when the sealing ring is arranged to be abutted on the open edge of the cooking utensil, one side surface of the sealing ring, which is positioned in the cooking utensil, is a water diversion cambered surface, so that condensed water can conveniently slide out of the sealing ring, the sealing ring is kept in a non-water state, and the phenomenon of water accumulation in the upper cover assembly caused by steam condensation in the cooking process can be avoided.
An appliance comprising a cooking vessel and a cover assembly as described above, the cover assembly being mounted at an open end of the cooking vessel; when the upper cover component is buckled on the cooking vessel, the sealing part is in sealing and pressing connection with the opening edge of the cooking vessel.
The beneficial effects of the invention are as follows: the electric appliance has the advantages of compact structure, good sealing effect, no water accumulation phenomenon of the upper cover component, and good customer experience effect.
Drawings
FIG. 1 is a schematic cross-sectional view of a connection relationship between a seal ring and a cover plate assembly, between the cover plate and an inner pan according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a seal ring according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of the portion B in fig. 3.
In the drawings, the list of components represented by the various numbers is as follows:
1. a cover plate assembly; 11. a pressing plate; 12. a cover plate body; 13. an annular gap; 2. a seal ring; 21. a mounting part; 22. a sealing part; 221. a water diversion section; 222. sealing the connecting section; 223. a buffer section; 224. a pressure-bearing section; 225. a diversion cambered surface; 226. a buffer inclined plane; 227. a void; 3. a cooking vessel; 31. an open edge.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
As shown in fig. 1 to 4, a seal ring on a cover plate assembly of the present embodiment includes an integrally connected mounting portion 21 and a sealing portion 22, wherein a longitudinal section of the mounting portion 21 is of a 'f' shape and is mounted on one side surface of the cover plate assembly 1 in a sealing manner, and the sealing portion 22 extends from one side surface of the cover plate assembly 1 in a direction away from the cover plate assembly 1; when the cover plate assembly 1 is buckled on the cooking vessel 3, the sealing part 22 is abutted on the open edge 31 of the cooking vessel 3, one side surface of the sealing part 22, which is positioned in the cooking vessel 3, is a diversion cambered surface 225, one end, which is far away from the cover plate assembly 1, of the diversion cambered surface 225 is positioned right below or outside one end, which is close to the cover plate assembly 1, of the diversion cambered surface 225, namely, the vertical distance between one end, which is far away from the cover plate assembly 1, of the diversion cambered surface 225 and the central axis of the sealing ring 2 is greater than or equal to the vertical distance between one end, which is close to the cover plate assembly 1, of the diversion cambered surface 225 and the central axis of the sealing ring 2. In the embodiment, when the sealing part is abutted on the open edge of the cooking vessel, one side surface of the sealing part in the cooking vessel is a water diversion cambered surface, so that condensed water can slide off the sealing ring conveniently, the sealing ring is kept in a water-free state, and the phenomenon of water accumulation in the cover plate assembly caused by steam condensation in the cooking process can be avoided; on the other hand, the soup or rice which splashes on the cambered surface of the water diversion can be conveniently cleaned.
The mounting portion 21 of the present embodiment may be a continuous ring-shaped connecting ring, or may be a discontinuous ring-shaped connecting strip integrally connected to the sealing portion 21.
As shown in fig. 4, in the arc formed by the same longitudinal section of the diversion cambered surface 225 in this embodiment, the included angle between the connecting line of any two points and the downward direction of the central axis of the sealing ring 2 is θ, θ is greater than or equal to 0 ° and less than or equal to 90 °, θ is selected from 10 ° to 60 °, and further is selected from 30 °, 40 °, 45 °, 50 ° and 55 °.
As shown in fig. 1 to 4, the diversion cambered surface 225 in this embodiment is formed by recessing the sealing ring 2 in a direction away from the central axis of the sealing ring 2, and has better diversion effect and sealing effect than the diversion cambered surface formed by protrusion.
As shown in fig. 4, an included angle between a tangent line at any point on the diversion cambered surface 225 and a downward direction of a central axis of the sealing ring 2 in this embodiment is α, where α is greater than or equal to 0 ° and less than or equal to 90 °, and α is selected from 10 ° to 60 °, and further selected from 30 °, 40 °, 45 °, 50 ° and 55 °. The included angle between the tangent line of any point on the diversion cambered surface and the downward direction of the central axis of the sealing ring is limited, so that the problem of poor sealing or diversion effect caused by overlarge radian of the diversion cambered surface is avoided.
As shown in fig. 1 to 4, the sealing portion 22 of the present embodiment is provided with voids 227 uniformly arranged therein. The space 227 may be a plurality of cavities arranged at intervals, or may be a cavity with an annular structure. The gap of this embodiment is preferably a cavity in an annular configuration arranged around the central axis of the seal ring, i.e. the entire seal is hollow. Through setting up the inside space that evenly arranges of sealing part, its aim at produces the pre-compaction of low stress large deformation when the sealing washer butt seals on cooking utensil open border, makes sealing washer sealing interface and cooking utensil open border's sealing contact inseparabler, and sealing washer durability improves.
As shown in fig. 1 to 4, the ratio of the area of the longitudinal section of the void 227 in the sealing portion 22 to the area of the longitudinal section of the solid portion in the sealing portion 22 in this embodiment is 1 to 8, and the ratio of the area of the longitudinal section of the void in the sealing portion 22 to the area of the longitudinal section of the solid portion in the sealing portion 22 is more preferably 2, 3, 4, 5, 6 or 7. The solid portion of the seal portion in this embodiment is the portion of the seal portion except for the void. Because the air is filled in the gap, the air in the gap plays a role in heat insulation, the temperatures of the water diversion inclined plane of the sealing part and the outer side face of the water diversion inclined plane are relatively close, and the problem that more condensed water is easy to generate on the water diversion inclined plane due to large internal and external temperature difference caused by low temperature of the outer side face of the water diversion inclined plane due to heat transfer with the outside can be avoided by reasonably setting the ratio of the longitudinal section area of the gap of the sealing part to the longitudinal section area of the solid part of the sealing part.
The hardness of the solid portion in the sealing portion 22 in this embodiment is 30A to 75A, and the hardness of the solid portion in the sealing portion 22 may preferably be 35A, 40A, 45A, 50A, 55A, 60A, 65A or 70A. Since the thickness of the solid part of the sealing part is inversely proportional to the hardness thereof, the higher the hardness is, the smaller the deformation amount of the solid part is, which is unfavorable for sealing; and under the same hardness, the thickness of the steel plate is thinned, so that the deformation amount of the steel plate can be increased; in this embodiment, the hardness of the solid portion of the sealing portion is reasonably defined, so that the deformation amount of the sealing portion can be reasonably controlled by the change of the thickness of the solid portion of the sealing portion.
As shown in fig. 2 and 4, the sealing part 22 of the present embodiment includes a connection section, a water diversion section 221 and a bearing section 224 which are sequentially connected, and the installation part 21 is connected with the connection section; the water diversion section 221, the connecting section and the pressure-bearing section 224 are all arranged in an annular shape around the central axis of the sealing ring 2, and the water diversion section 221, the connecting section and the pressure-bearing section 224 enclose a gap of the annular structure;
one end of the water diversion section 221 is abutted against the cover plate assembly 1, and the other end of the water diversion section is abutted against the open edge 31 of the cooking vessel 3; the diversion section 221 of this embodiment is an arc structure, and the diversion cambered surface 225 is a side surface of the diversion section 221, which is close to the central axis of the sealing ring 2. The connecting section seals and shields the joint of the mounting part 21 and the cover plate assembly 1, so as to avoid water accumulation inside the cover plate assembly caused by water vapor entering the cover plate assembly.
According to the embodiment, two ends of the water diversion section are respectively abutted against one side surface of the cover plate assembly and the open edge of the cooking vessel, and on one hand, deformation in other directions except the extrusion direction is not easy to generate when the sealing ring is abutted against the open edge of the cooking vessel for extrusion sealing; on the other hand, due to the arrangement of the diversion cambered surface of the diversion section, condensed water generated by steam condensation in the cooking utensil slides into the cooking utensil along the diversion cambered surface of the diversion section, so that the phenomenon of water accumulation on the sealing ring or the cover plate is avoided. Because the open part of the cooking utensil is provided with a circle of outer edge, the outer edge is connected with the side wall of the cooking utensil through an arc surface, and the water diversion section is preferably abutted on the arc surface, so that water vapor is condensed and then directly dripped into the cooking utensil along the arc surface.
As shown in fig. 1 to 4, the connection section of the present embodiment includes a sealing connection section 222 and a buffer section 223, wherein one end of the sealing connection section 222 is connected to one end of the water diversion section 221, the other end of the sealing connection section is connected to one end of the buffer section 223, the other end of the buffer section 223 is connected to one end of the pressure-bearing section 224, and the other end of the pressure-bearing section 224 is connected to the other end of the water diversion section 221;
the mounting part 21 is connected to the sealing connection section 222, and the sealing connection section 222 seals and shields the connection part of the mounting part 21 and the cover plate assembly 1;
the buffer section 223 and the cover plate component 1 are provided with a gap, so that a certain buffer space is provided when the sealing ring is extruded, and the cover plate component is prevented from being buckled easily due to overlarge pressure of the sealing ring.
The side surface of the sealing connection section 222, which is close to the cover plate assembly 1, is a cambered surface protruding towards the joint of the mounting part 21 and the cover plate assembly 1, the side surface of the buffer section 223, which is close to the cover plate assembly 1, is a buffer inclined surface 226, and the included angle between the buffer inclined surface 226 and the cover plate assembly 1 is larger than 0 degree; the outer side surface of the sealing connecting section is set to be an arc surface, so that the sealing effect of the mounting groove is better.
As shown in fig. 4, the diversion section 221 of the present embodiment is of an arc structure, the pressure-bearing section 224 and the buffer section 223 are both of a flat plate structure, and in order to optimize the sealing effect and the diversion effect, the angle relationship between them is as follows, the included angle between the pressure-bearing section 224 and the diversion section 221 is greater than or equal to 90 ° and less than 180 °, the included angle between the pressure-bearing section 224 and the buffer section 223 is greater than 0 ° and less than 90 °, the included angle between the buffer section 223 and the sealing connection section 222 is greater than 90 ° and less than 180 °, and the included angle between the sealing connection section 222 and the diversion section 221 is greater than 0 ° and less than 90 °. When the sealing ring with the angle relation is used for sealing, the prepressing with low stress and large deformation can be generated, so that the sealing ring is in closer contact with one end of the cooking utensil, and the durability of the sealing ring is obviously improved.
Example 2
As shown in fig. 1 and 2, the cover plate assembly 1 of the present embodiment includes a cover plate body 12, a pressing plate 11 with an annular structure, and a sealing ring 2 as described in embodiment 1, where the pressing plate 11 is crimped on a circumferential edge of the cover plate body 12 and forms an annular gap 13 with the cover plate body 12, the mounting portion 21 is hermetically crimped in the annular gap 13 and located on an inner ring side of the pressing plate 11, and the mounting portion 21 with a "r" shape longitudinal section is crimped in the annular gap 13, so that the mounting portion 21 is more firmly clamped with the pressing plate 11; the seal 22 extends from the annular gap 13 in a direction away from the cover plate assembly 1 and sealingly shields the annular gap 13. When the sealing ring is abutted to the open edge of the cooking vessel, one side surface of the sealing ring, which is positioned in the cooking vessel, is a water diversion cambered surface, so that condensed water can conveniently slide out of the sealing ring, the sealing ring is kept in a non-water state, and the phenomenon of water accumulation inside the sealing ring caused by steam condensation in the cooking process can be avoided.
Example 3
The present embodiment provides an upper cover assembly comprising a cover body and a cover plate assembly 1 as described in embodiment 2, the other side of the cover plate assembly 1 being attached to the cover body. The upper cover assembly of this embodiment is sealed effectual, and the comdenstion water of being convenient for is followed the sealing washer roll-off, makes the sealing washer keep anhydrous state, can make in the culinary art in-process avoid leading to the phenomenon of sealing washer inside ponding because of steam condensation.
Example 4
An electric appliance of the present embodiment, as shown in fig. 1, includes a cooking vessel 3 and an upper cover assembly as described in embodiment 3, the upper cover assembly being mounted at an open end of the cooking vessel 3; when the upper cover assembly is buckled on the cooking vessel 3, the sealing part 22 is in sealing and pressing connection with the opening edge 31 of the cooking vessel 3. The electric appliance of this embodiment compact structure, sealed effectual, its sealing washer does not have ponding phenomenon, and customer experience is effectual.
The electric appliance of the embodiment is an electric cooker, an electric pressure cooker, a soymilk machine, an electric baking pan, a soup stewing pan or a soymilk machine.
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, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (11)
1. The sealing ring on the cover plate assembly is characterized by comprising an installation part and a sealing part which are integrally connected, wherein the longitudinal section of the installation part is in a 'gamma' -shape and is arranged on one side surface of the cover plate assembly in a sealing way, and the sealing part extends out from one side surface of the cover plate assembly along the direction deviating from the cover plate assembly; when the cover plate component is buckled on the cooking vessel, the sealing part is abutted on the opening edge of the cooking vessel, one side surface of the sealing part, which is positioned in the cooking vessel, is a diversion cambered surface, and one end, which is far away from the cover plate component, of the diversion cambered surface is positioned right below or outside one end, which is close to the cover plate component, of the diversion cambered surface; the inside of the sealing part is provided with uniformly arranged gaps; the gap is in an annular structure arranged around the central axis of the sealing ring;
the sealing part comprises a connecting section, a water diversion section and a pressure bearing section which are sequentially connected, and the mounting part is connected with the connecting section; the water diversion section, the connecting section and the pressure bearing section are all arranged in an annular mode around the central axis of the sealing ring, and the water diversion section, the connecting section and the pressure bearing section enclose a gap of the annular structure; one end of the water diversion section is abutted on the cover plate assembly, and the other end of the water diversion section is abutted on the open edge of the cooking vessel; the diversion cambered surface is a side surface of the diversion section, which is close to the central axis of the sealing ring; the connecting section seals and shields the connecting part of the mounting part and the cover plate assembly;
the connecting section comprises a sealing connecting section and a buffer section, one end of the sealing connecting section is connected with one end of the water diversion section, the other end of the sealing connecting section is connected with one end of the buffer section, the other end of the buffer section is connected with one end of the pressure-bearing section, and the other end of the pressure-bearing section is connected with the other end of the water diversion section.
2. The sealing ring on the cover plate assembly according to claim 1, wherein an included angle between any two connecting lines and the downward direction of the central axis of the sealing ring in an arc line formed by the same longitudinal section of the diversion cambered surface is more than or equal to 0 degrees and less than or equal to 90 degrees.
3. The gasket of claim 1 wherein said diverting arcuate surface is formed by recessing said gasket in a direction away from a central axis of said gasket.
4. The sealing ring on the cover plate assembly according to claim 1, wherein an included angle between a tangent line of any point on the diversion cambered surface and a downward direction of a central axis of the sealing ring is more than or equal to 0 degrees and less than or equal to 90 degrees.
5. The gasket of claim 1, wherein the mounting portion is connected to the sealing connection segment, the sealing connection segment sealing and concealing the connection of the mounting portion to the cover assembly; and a gap is reserved between the buffer section and the cover plate component.
6. The gasket of claim 5, wherein a side of the sealing connection section adjacent to the cover plate assembly is a cambered surface protruding toward a connection portion between the mounting portion and the cover plate assembly, a side of the buffer section adjacent to the cover plate assembly is a buffer inclined surface, and an included angle between the buffer inclined surface and the cover plate assembly is greater than 0 °.
7. A sealing ring for a closure assembly according to any one of claims 1 to 5, wherein the ratio of the area of the longitudinal section of the hollow in the sealing portion to the area of the longitudinal section of the solid portion in the sealing portion is 1 to 8.
8. A sealing ring for a closure assembly according to any one of claims 1 to 5, wherein the solid portion of the sealing portion has a hardness of 30 to 75A.
9. A cover plate assembly comprising a cover plate body, a pressing plate of annular structure and a sealing ring as claimed in any one of claims 1 to 8, wherein the pressing plate is pressed against the circumferential edge of the cover plate body and forms an annular gap with the cover plate body, the mounting part is pressed in the annular gap in a sealing way and is positioned on the inner ring side of the pressing plate, and the sealing part extends from the annular gap in a direction away from the cover plate assembly and seals and shields the annular gap.
10. An upper cover assembly comprising a cover body and the cover assembly of claim 9, the other side of the cover assembly being attached to the cover body.
11. An appliance comprising a cooking vessel and the upper lid assembly of claim 10 mounted at an open end of the cooking vessel; when the upper cover component is buckled on the cooking vessel, the sealing part is in sealing and pressing connection with the opening edge of the cooking vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682490.7A CN107752740B (en) | 2016-08-17 | 2016-08-17 | Sealing ring on cover plate assembly, upper cover assembly and electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682490.7A CN107752740B (en) | 2016-08-17 | 2016-08-17 | Sealing ring on cover plate assembly, upper cover assembly and electric appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107752740A CN107752740A (en) | 2018-03-06 |
| CN107752740B true CN107752740B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610682490.7A Active CN107752740B (en) | 2016-08-17 | 2016-08-17 | Sealing ring on cover plate assembly, upper cover assembly and electric appliance |
Country Status (1)
| Country | Link |
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| CN (1) | CN107752740B (en) |
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| CN201894561U (en) * | 2010-09-21 | 2011-07-13 | 广东伊立浦电器股份有限公司 | Electrical heating cooker |
| CN204635968U (en) * | 2015-05-26 | 2015-09-16 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus |
| CN204970817U (en) * | 2015-08-18 | 2016-01-20 | 广东美的厨房电器制造有限公司 | Steam cooking apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201346141Y (en) * | 2009-01-14 | 2009-11-18 | 松下电化住宅设备机器(杭州)有限公司 | Pot washer and electric rice cooker using same |
| CN203400021U (en) * | 2013-07-23 | 2014-01-22 | 美的集团股份有限公司 | Pot cover |
| CN204765121U (en) * | 2015-06-19 | 2015-11-18 | 佛山市顺德区美的电热电器制造有限公司 | Interior pot mouthful structure and contain interior pot and electric rice cooker of this pot of mouth structure |
| CN204743801U (en) * | 2015-07-09 | 2015-11-11 | 佛山市顺德区美的电热电器制造有限公司 | Sealing member, upper cover and cooking utensil |
| CN205125905U (en) * | 2015-11-17 | 2016-04-06 | 佛山市顺德区美的电热电器制造有限公司 | Seal structure of electricity rice cooker upper cover and interior pot |
| CN205433295U (en) * | 2016-01-25 | 2016-08-10 | 九阳股份有限公司 | Sealed reliable fried dish machine |
| CN206137888U (en) * | 2016-08-17 | 2017-05-03 | 佛山市顺德区美的电热电器制造有限公司 | Sealing washer on apron subassembly, apron subassembly, upper cover subassembly and electrical apparatus |
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2016
- 2016-08-17 CN CN201610682490.7A patent/CN107752740B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201894561U (en) * | 2010-09-21 | 2011-07-13 | 广东伊立浦电器股份有限公司 | Electrical heating cooker |
| CN204635968U (en) * | 2015-05-26 | 2015-09-16 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus |
| CN204970817U (en) * | 2015-08-18 | 2016-01-20 | 广东美的厨房电器制造有限公司 | Steam cooking apparatus |
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| Publication number | Publication date |
|---|---|
| CN107752740A (en) | 2018-03-06 |
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