CN219846139U

CN219846139U - Pot cover and cooking utensil with heating function

Info

Publication number: CN219846139U
Application number: CN202320966502.4U
Authority: CN
Inventors: 朱泽春; 谢伟峰; 王超; 王红林
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2023-04-22
Filing date: 2023-04-22
Publication date: 2023-10-20
Anticipated expiration: 2033-04-22

Abstract

The utility model discloses a pot cover with a heating function and a cooking utensil, and belongs to the technical field of kitchen appliances. The pot cover comprises a lining cover, a heating unit and an inner cover assembly, wherein the inner cover assembly comprises a fixing ring and an inner cover arranged on the fixing ring, the heating unit is used for heating the inner cover, the inner cover comprises a first metal layer and a second metal layer, a heat transfer vessel formed by blowing a blowing medium between the first metal layer and the second metal layer along a preset path is arranged between the first metal layer and the second metal layer, the lining cover is provided with a movable buckle, the fixing ring is provided with a buckle position matched with the movable buckle, the inner cover is provided with a blowing inlet which is arranged in alignment with the movable buckle or the buckle position of the fixing ring in the circumferential direction, and the buckle position is positioned outside the sealing ring. The cooking appliance comprises a pot body with a cooking cavity and a pot cover as described above. The utility model is convenient for removing condensed water on the inner cover and cleaning the inner cover, thereby facilitating the disassembly and assembly of the inner cover by a user through disassembling and assembling the fixing ring.

Description

Pot cover and cooking utensil with heating function

Technical Field

The utility model belongs to the technical field of kitchen appliances, and particularly relates to a pot cover with a heating function and a cooking utensil.

Background

At present, a cover of an electric cooker, a pressure cooker and the like for a kitchen generally comprises an upper cover, a lining cover and an inner cover, wherein the temperature of the inner cover is relatively lower than that of a cooker body in the process of sealing cooking, and water vapor generated in the cooker body can be cooled when rising to the inner cover to condense on the lower surface of the inner cover to form condensed water. In the cooking process, part of condensed water flows back into the cooker body, so that the cooking taste of food in the cooker body is reduced, and the user experience is affected. After cooking, at the in-process of uncapping, to disjunctor formula rice cooker, the comdenstion water that condenses on the inner cover can slide to the receipts water circle of a kind of deep pot body and retrieve to locating the waste water on the body of deep pot in collecting the box through the album liquid hole on receipts water circle, the user need regularly dismantle waste water collection box empty waste water and wash waste water collection box, has increased user's washing burden, and the design of collection liquid hole and waste water collection box on receipts water circle has increased the design cost and the manufacturing cost of a kind of deep pot body. For the split rice cooker, after cooking, condensed water condensed on the inner cover can fall to a kitchen table or the ground and the like in the process of uncovering and removing the cover, so that the cleaning burden of a user is increased, and the user experience is reduced.

In the prior art, the heating device for heating the inner cover is additionally arranged on the lining cover to solve the technical problem of condensation water aggregation on the inner cover, however, the inner cover in the prior art is directly arranged on the lining cover, and the aggregation of the condensation water can be reduced to a certain extent after the inner cover is heated, but the inner cover is heated to transfer heat to the lining cover, so that the aging process of the lining cover is accelerated, and the service life of the lining cover is reduced. Under the condition of adopting materials with higher temperature resistance to manufacture the lining cover, the manufacturing cost of the lining cover is greatly increased.

Furthermore, the prior heating device is limited by the functional design that other parts such as an exhaust valve, a pressure limiting valve and the like are integrated on the pot cover, and only contacts with a small part of the area on the upper surface of the inner cover and transfers heat, so that the inner cover can only be heated in a local area, the heat transfer efficiency is low, the temperature of the lower surface of the inner cover is inconsistent due to uneven heating, thereby the removal effect of condensed water is not ideal, and the problem of condensed water aggregation still exists. By means of the technical scheme that the contact area between the heating device and the inner cover is increased and the heating power of the heating device is increased, the manufacturing cost and the energy consumption in the using process are increased.

In addition, current inner cup is direct installs in the lining lid through buckle structure, along with the promotion of inner cup temperature during the culinary art, and the temperature of buckle structure rather than linking to each other also rises thereupon, has accelerated buckle structure's ageing speed, and buckle structure often the temperature is higher when the culinary art is ended, and the comparison scalds one's hand, is inconvenient for the user to dismantle the washing to the inner cup in the shorter time after the culinary art is ended, has reduced user experience. Even though the force is applied by the buckling structure by wearing the anti-scalding glove or other protective tools, after the inner cover is disassembled, the user holds the inner cover part in the process of cleaning the inner cover, and the high temperature of the inner cover brings great challenges to cleaning. In addition, the heat transfer structure of the existing inner cover is poor in design heat dissipation performance, and after cooking is finished, the inner cover needs a long time to cool to a temperature suitable for being held by a user, so that user experience is further reduced.

Disclosure of Invention

The utility model provides a pot cover with a heating function and a cooking utensil, which aim to solve at least one of the technical problems.

The technical scheme adopted by the utility model is as follows:

the pot cover with the heating function comprises a lining cover, a heating unit and an inner cover assembly, wherein the inner cover assembly comprises a fixed ring and an inner cover arranged on the fixed ring, the heating unit is positioned above the inner cover to heat the inner cover, the inner cover comprises a first metal layer and a second metal layer which are stacked up and down, a heat transfer vessel is arranged between the first metal layer and the second metal layer, one of the fixed ring and the lining cover is provided with a movable buckle, the other one of the fixed ring and the lining cover is provided with a buckling position matched with the movable buckle, and the fixed ring is detachably connected with the lining cover through the clamping fit of the movable buckle and the buckling position; the heat transfer vessel is formed by blowing a blowing medium injected between the first metal layer and the second metal layer along a preset path, and the inner cover is provided with a blowing inlet for the blowing medium to enter; the inflation inlet and the movable buckle or the buckle position arranged on the fixed ring are arranged in a counterpoint mode in the circumferential direction, the inner cover assembly further comprises a sealing ring, the sealing ring comprises a sealing body and a sealing lip fixedly connected with the sealing body, the sealing body is clamped and fixed between the inner cover and the fixed ring, and the buckle position is located outside the sealing ring.

The pot cover with the heating function has the following additional technical characteristics:

the pot cover is provided with a hinged side and a buckling side, wherein the hinged side is used for being hinged with a pot body of the cooking appliance, the buckling side is far away from the hinged side and is used for being buckled with the pot body, the setting position of the inflation inlet on the inner cover is far away from the hinged side and is close to the buckling side, and therefore the inflation inlet is located on the upper portion of the pot cover in a state that the pot cover is opened to the pot body.

The retainer plate is equipped with the concave station that is used for bearing the inner cup, the concave station is towards deviating from the direction of lining lid is sunken so that the position height of retainer plate's outer lane top surface is higher than the upper surface of inner cup, in order to form thermal-insulated clearance between inner cup with the lining lid.

The inner cover assembly further comprises a crimping piece, one side of the inner cover, provided with the inflation inlet, is clamped and fixed between the crimping piece and the fixing ring, and the projection of the crimping piece, facing the inner cover, covers the inflation inlet.

The inner cover is provided with an exhaust port;

the heat transfer pulse tube is arranged side by side with the exhaust port or around at least part of the exhaust port; and/or the vent and the inflation inlet are located on opposite sides of the heat transfer vessel.

The heat transfer pulse tube has a protrusion height at the first metal layer greater than a protrusion height at the second metal layer.

At least a partial region of the heat transfer vessel is in contact with the heating unit; and/or, the inner cover is provided with a butt joint part which is in butt joint with the heating unit, and the heat transfer vessel extends to the butt joint part.

The movable buckle is movably arranged on the lining cover and is provided with a locking position clamped with the buckling position and an unlocking position separated from the buckling position, the movable buckle comprises a positioning part fixedly connected with the lining cover, a clamping tongue and an operating part fixedly connected with the positioning part respectively, a movement space is reserved between the operating part and the lining cover, and the operating part moves under the action of external force to drive the movable buckle to move from the locking position to the unlocking position.

The pot cover further comprises an elastic reset piece, wherein the elastic reset piece is in butt joint with the positioning part and applies elastic force to the positioning part to drive the movable buckle to move from the unlocking position to the locking position.

The utility model also discloses a cooking utensil, which comprises a cooker body with a cooking cavity and a cooker cover for opening or closing the cooking cavity, wherein the cooker cover is provided with the heating function; the cooking utensil further comprises a rotating shaft, the pot cover is rotatably connected to the pot body through the rotating shaft, and the movable buckle and the buckle position are located at one side far away from the rotating shaft.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. compared with the technical scheme that the inner cover is directly arranged on the lining cover in the prior art, the inner cover is arranged on the fixing ring, the fixing ring is detachably connected with the lining cover in a clamping and fixing mode, and the clamping and assembling mode is convenient for a user to assemble and disassemble the inner cover assembly without tools in the process of assembling and disassembling the inner cover assembly, so that user experience is pleasant. In addition, the heat transfer vessel is arranged between the first metal layer and the second metal layer, so that the heat of the inner cover can be quickly transferred after being heated, the inner cover is ensured to be quickly and uniformly heated, the removal effect of condensed water is ensured, and the inner cover can be quickly cooled after cooking is finished.

In addition, compared with the scheme of arranging independent heat transfer pipeline components between the first metal layer and the second metal layer, the heat transfer vessel is higher in integration degree, higher in heat conduction efficiency and wider in laying range, so that the coverage area of the heat transfer vessel on the inner cover can be improved, the universe is improved, and the uniformity and consistency of heating of the inner cover can be further improved. Furthermore, the inflation inlet for forming the inflation medium for forming the heat transfer vessel is arranged in alignment with the movable buckle or buckle position arranged on the fixed ring in the circumferential direction, so that a prompting effect is provided for the assembly of the inner cover and the fixed ring, and the assembly efficiency of the inner cover and the fixed ring is improved.

In addition, compared with the technical scheme that the inner cover is directly arranged on the lining cover in the prior art, the fixing ring not only provides an installation position for the inner cover, but also increases the overall thickness of the detachable inner cover assembly, is convenient for a user to grasp in the cleaning process, is inconvenient to slip, and improves the cleaning efficiency. The inner cover assembly further comprises a sealing ring, the sealing ring comprises a sealing body and a sealing lip fixedly connected with the sealing body, the sealing body is clamped and fixed between the inner cover and the fixing ring, and the buckle is located outside the sealing ring. The inner cover and the inner container in the pot body can be sealed through the sealing ring, the buckling position is positioned in an area outside the sealing ring, and the sealing effect of the sealing ring cannot be influenced by the matching of the buckling position and the lining cover.

2. As a preferred embodiment of the present utility model, the lid has a hinge side for hinge-connecting with a pot body of the cooking appliance, and the inflation inlet is provided on the inner lid at a position apart from the hinge side such that the inflation inlet is located at an upper portion of the lid in a state in which the lid opens the pot body. The upper setting of inflation entry for under the state of opening the pot cover, the in-process that comdenstion water flows down can not flow into the inflation entry, reduced the sealed requirement to inflation entry department in the manufacturing process, not only reduced the cost, avoided the comdenstion water to get into between first metal level and the second metal level from inflation entry department moreover, guaranteed the heat transfer efficiency of heat transfer vessel, prolonged the life of inner cup.

3. As a preferred embodiment of the utility model, the heat transfer vessel is filled with a heat transfer medium. The uniformity of heating can be improved through the global flow of the heated heat conducting medium in the heat transfer vessel after heating, the problem of uneven heating caused by local heating is avoided, and the removal effect of condensed water is ensured.

4. As a preferred embodiment of the utility model, one side of the inner cover provided with the inflation inlet is clamped and fixed between the pressing part and the fixing ring, and the projection of the pressing part towards the inner cover covers the inflation inlet, and the pressing part is arranged to shield the inflation inlet, so that dirt is prevented from being hidden at the inflation inlet in the process of cleaning the inner cover assembly, and after shielding, the appearance uniformity of the upper surface of the inner cover can be ensured, and the appearance performance is improved. In addition, the existence of crimping piece can also play the effect of suggestion inner cup and retainer plate's circumference relative position in the equipment in-process of inner cover subassembly, helps promoting assembly efficiency.

5. As a preferred embodiment of the utility model, the heat transfer vessel and the exhaust port are arranged side by side or at least partially around the exhaust port, so that the exhaust port can avoid the inflation area of the first metal layer and the second metal layer, the sealing difficulty of the sealing piece arranged at the position of the exhaust port is reduced, the problem of air leakage at the exhaust port is avoided, the hot steam in the cooking cavity is prevented from entering the pot cover through the exhaust port, and the protection of the parts in the pot cover is facilitated.

6. As a preferred embodiment of the utility model, the air exhaust port and the inflation inlet are positioned at two opposite sides of the heat transfer vessel, so that inflatable space on the inner cover can be utilized to the greatest extent, and the coverage area of the heat transfer vessel is improved, thereby improving the heat transfer efficiency and the heat dissipation efficiency of the inner cover.

7. As a preferred embodiment of the utility model, the height of the heat transfer vessel protruding from the first metal layer is larger than that of the heat transfer vessel protruding from the second metal layer, so that the redundant space between the first metal layer and the lining cover can be used for placing the inner cover, the vertical distance between the heat transfer vessel and the heating unit is reduced, and the heating efficiency is improved. Further, the heat transfer vessel is only protruded from the first metal layer, so that the second metal layer has a flat or nearly flat lower surface, and a user can conveniently clean the lower surface of the inner cover.

8. As a preferred implementation mode of the utility model, the movable buckle is arranged on the lining cover, and the buckle position is arranged on the fixed ring, so that the redundant space between the lining cover and the upper cover can be fully utilized, the movable arrangement of the movable buckle is realized, the miniaturization of the pot cover is facilitated, meanwhile, the simplification of the structural design of the inner cover assembly is facilitated, and the cleaning and the assembly and disassembly of the inner cover assembly are facilitated.

9. The utility model also discloses a cooking utensil, the pot cover is rotationally connected to the pot body through the rotating shaft, and the movable buckle and the buckle position are positioned at one side far away from the rotating shaft, so that an operation space can be reserved for a user, and the inner cover assembly is convenient to detach and assemble. In addition, the integrated design of the pot cover and the pot body also provides an installation position for the pot cover, so that the pot cover can be integrated on the pot body after cooking is finished, and the requirements on the storage space and the storage position are saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a cross-sectional view of a lid according to one embodiment of the present utility model;

fig. 2 is an enlarged view of a portion a of fig. 1;

fig. 3 is an enlarged view of a portion B of fig. 1;

FIG. 4 is an exploded view of the inner cap assembly according to one embodiment of the present utility model;

FIG. 5 is a cross-sectional view of the inner cap according to one embodiment of the present utility model;

fig. 6 is an enlarged view of a portion C of fig. 5;

fig. 7 is a perspective view of one embodiment of the inner cap of the present utility model.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

1. the lining cover, 11, the movable buckle, 111, the positioning part, 112, the clamping tongue and 113, and the operating part;

2. inner cap, 21, first metal layer, 211, contact zone, 212, non-contact zone, 22, second metal layer, 221, flow guide surface, 23, heat transfer vessel, 24, first mounting hole, 25, inflation inlet, 26, exhaust port;

3. a sealing ring, 31, a sealing body and 32, a sealing lip;

4. the fixing ring, 41, the concave table, 42, the buckling position and 43, the second mounting hole;

5. a thermal insulation gap;

6. a heating unit;

7. a crimp member;

8. an upper cover;

9. an elastic reset piece.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present utility model and features in each embodiment may be combined with each other.

In addition, in the description of the present utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "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 utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, 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; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, 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. 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 utility model. 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.

As shown in fig. 1 to 7, the pot cover with the heating function comprises a lining cover 1, a heating unit and an inner cover assembly, wherein the inner cover assembly comprises a fixed ring 4 and an inner cover 2 arranged on the fixed ring 4, the heating unit is positioned above the inner cover 2 to heat the inner cover 2, the inner cover 2 comprises a first metal layer 21 and a second metal layer 22 which are stacked up and down, a heat transfer vessel 23 is arranged between the first metal layer 21 and the second metal layer 22, one of the fixed ring 4 and the lining cover 1 is provided with a movable buckle, the other one of the fixed ring 4 and the lining cover 1 is provided with a buckle position matched with the movable buckle, and the fixed ring 4 is detachably connected with the lining cover 1 through the clamping fit of the movable buckle and the buckle position; the heat transfer vessel 23 is formed by blowing a blowing medium injected between the first metal layer 21 and the second metal layer 22 along a predetermined path, and the inner lid 2 is provided with a blowing inlet 25 into which the blowing medium enters; the inflation inlet 25 is aligned with the movable buckle or the buckle position of the fixing ring 4 in the circumferential direction.

Compared with the technical scheme that the inner cover is directly arranged on the lining cover in the prior art, the inner cover 2 is arranged on the fixing ring 4, the fixing ring 4 is detachably connected with the lining cover 1 in a clamping and fixing mode, and a tool is not needed in the process of disassembling and assembling the inner cover assembly in a clamping and assembling mode, so that the inner cover assembly is convenient for a user to disassemble and assemble, and user experience is pleasant. In addition, the heat transfer vessel 23 is arranged between the first metal layer 21 and the second metal layer 22 of the inner cover 2, so that the heat of the inner cover 2 after being heated can be quickly transferred, the inner cover 2 is ensured to be quickly and uniformly heated, the removal effect of condensed water is ensured, the inner cover 2 can be quickly cooled after cooking is finished, and the waiting time of a user is shortened.

The contact area between the inner cover 2 and the fixed ring 4 is relatively small, the temperature of the fixed ring 4 is lower than the temperature of the inner cover 2 in the cooking process and the heating process of the inner cover 2, the inner cover 2 can realize rapid heat dissipation, the fixed ring 4 connected with the inner cover can be cooled down more rapidly, the aging speed of the lining cover 1 and the movable buckle and/or the buckle position is delayed, the inner cover assembly is disassembled and cleaned in a short time after the cooking process is finished by a user conveniently, and the user experience is pleasant.

In addition, compared with the technical scheme that the inner cover is directly arranged on the lining cover in the prior art, the design of the fixing ring 4 not only provides an installation position for the inner cover 2, but also increases the overall thickness of the detachable inner cover assembly, is convenient for a user to grasp in the cleaning process, is inconvenient to slip, and improves the cleaning efficiency.

Compared with the scheme of arranging independent heat transfer pipeline components between the first metal layer 21 and the second metal layer 22, the heat transfer vessel 23 is formed by bulging of the first metal layer 21 and the second metal layer 22, the integration degree is higher, the heat conduction efficiency is higher, the laying range is wider, and therefore the heating uniformity and consistency of the inner cover 2 can be further improved.

Specifically, in the second embodiment, the first metal layer 21 and the second metal layer 22 are hot-pressed and compounded into an inseparable composite structure by adopting a hot-pressing and compounding process, and the heat transfer vessel 23 is formed by performing inflation based on the first metal layer 21 and the second metal layer 22, that is, on the basis of the hot-pressing and compounding of the first metal layer 21 and the second metal layer 22, inflation medium is injected through the inflation inlet 25 arranged between the first metal layer 21 and the second metal layer 22, and the pressure generated by the inflation medium causes the area which is not hot-pressed and compounded on the preset path to expand to form an empty tube structure, thereby forming the heat transfer vessel 23.

The inflation medium may be inflated with a high pressure gas or a high pressure liquid, for example, with high pressure nitrogen gas injected between the first metal layer 21 and the second metal layer 22 through the inflation inlet, the high pressure nitrogen gas moving along a predetermined path to form the heat transfer vessel 23 between the first metal layer 21 and the second metal layer 22.

The inflation inlet 25 and the movable buckle or the buckle position arranged on the fixed ring 4 are aligned in the circumferential direction to provide a prompting function for assembling the inner cover 2 and the fixed ring 4, so that the assembly efficiency of the inner cover and the fixed ring is improved. The alignment arrangement in this embodiment means that the inflation inlet 25 and the movable buckle or the buckle position provided on the retainer ring 4 are located at the same radial position in the circumferential direction, and are close to each other.

The present utility model is not limited to the positions of the movable buckle and the buckle position, and as a preferred embodiment of the present utility model, as shown in fig. 1 and 3, a preferred embodiment of the present utility model is provided in which the lining cover 1 is provided with the movable buckle 11, and the fixing ring 4 is provided with the buckle position 42. Specifically, the movable buckle 11 is movably disposed on the lining cover 1 to have a locking position clamped with the buckling position 42 and an unlocking position separated from the buckling position 42, the movable buckle 11 includes a positioning portion 111 fixedly connected with the lining cover 1, and a clamping tongue 112 and an operating portion 113 respectively fixedly connected with the positioning portion 111, a movement space is provided between the operating portion 113 and the lining cover 1, and the operating portion 113 moves under the action of an external force to drive the movable buckle 11 to move from the locking position to the unlocking position.

In this embodiment, the movable buckle 11 is arranged on the liner cover 1, the buckling position 42 is arranged on the fixing ring, so that the redundant space between the liner cover 1 and the upper cover 8 of the pot cover can be fully utilized, the movable arrangement of the movable buckle 11 is realized, the miniaturization of the pot cover is facilitated, meanwhile, the simplification of the structural design of the inner cover assembly is facilitated, and the cleaning and the assembly and the disassembly of the inner cover assembly are facilitated.

Still further, the lid further includes an elastic restoring member 9, where the elastic restoring member 9 abuts against the positioning portion 111 and applies an elastic force to the positioning portion 111 to drive the movable buckle 11 to move from the unlocking position to the locking position. Reset of the movable buckle 11 is assisted by the elastic reset piece 9, so that the operation is convenient and labor-saving, the automation is high, and the user experience is improved.

As a preferred embodiment of the present utility model, the lid has a hinge side for hinge-connecting with a pot body of the cooking appliance, and a fastening side remote from the hinge side for fastening with the pot body, and the inflation inlet 25 is provided on the inner lid 2 at a position remote from the hinge side and close to the fastening side such that the inflation inlet 25 is located at an upper portion of the lid in a state where the lid is opened. The upper arrangement of the inflation inlet 25 prevents condensed water from flowing into the inflation inlet in the downward flowing process under the state of opening the pot cover, reduces the sealing requirement on the inflation inlet 25 in the processing and manufacturing process, reduces the cost, prevents the condensed water from entering between the first metal layer 21 and the second metal layer 22 from the inflation inlet 25, ensures the heat transfer efficiency of the heat transfer vessel 23, and prolongs the service life of the inner cover 2.

As a preferred embodiment of the utility model, the retainer ring 4 is provided with a recess 41 for carrying the inner lid 2, the recess 41 being lowered in a direction away from the lining lid 1 such that the top surface of the outer ring of the retainer ring 4 is positioned higher than the upper surface of the inner lid 2 to form an insulating gap 5 between the inner lid 2 and the lining lid 1. As shown in fig. 2, it is clearly shown that the top surface of the retainer ring 4 is located at a height different from the upper surface of the inner cap 2 by a height H. The heat insulation gap 5 prevents the inner cover 2 from being in direct contact with the lining cover 1, thereby avoiding contact heat transfer between the inner cover 2 and the lining cover 1, reducing the temperature rise of the lining cover 1, delaying the aging speed of the lining cover 1, prolonging the service life of the pot cover, and reducing the requirement on the temperature resistance of the lining cover 1, thereby reducing the manufacturing cost of the lining cover 1.

In addition, the design of the concave table 41 can also play a role in radially limiting the inner cover 2 in the assembly process of the inner cover 2 and the fixing ring 4, thereby being beneficial to improving the assembly efficiency of the inner cover 2 and the fixing ring 4.

Furthermore, the heat insulation gap 5 can form an air heat exchange convection layer between the inner cover 2 and the lining cover 1, a certain heat preservation and energy storage effect is achieved, after the operation of the heating unit 6 is finished, the inner cover 2 can be further heated by utilizing the heat accumulation of the heat insulation gap 5, and the condensate water removal effect can be further improved while the energy consumption is reduced.

The connection mode of the fixing ring 4 and the inner cover 2 is not limited, and preferably, the fixing ring 4 and the inner cover 2 are detachably connected, and the specific form of the detachable connection of the fixing ring 4 and the inner cover 2 is not limited, and the connection mode comprises but is not limited to fastening piece connection through screws and the like, clamping fit, inserting limiting fit, magnetic attraction fit and the like. As shown in fig. 4, a specific example is given in which the inner cap 2 has a turned-out edge mounted on the recess table 41, in this example, a plurality of first mounting holes 24 are provided at intervals along the circumference of the turned-out edge, the recess table 41 is provided with second mounting holes 43 corresponding to the first mounting holes 24 one by one, and the inner cap 2 is connected to the fixing ring 4 by screws penetrating through the first mounting holes 24 and the second mounting holes 43.

As a preferred embodiment of the present utility model, the heat transfer vessel 23 is filled with a heat transfer medium. The uniformity of heating can be improved by the global flow of the heated heat conducting medium in the heat transfer vessel 23 after heating, the problem of uneven heating caused by local heating is avoided, and the removal effect of condensed water is ensured.

It should be noted that the present utility model is not limited to the form of the heat-conducting medium, and the following examples may be adopted:

example 1: the heat conducting medium is a gas mixed with the heat conducting medium. For example, the heat-conducting medium is air mixed with hydrogen or helium.

Example 2: the heat conducting medium is a liquid mixed with the heat conducting medium and can be evaporated into gas after being heated. Furthermore, the heat conducting medium in the embodiment can be heated and evaporated into gas and expand, and the expanded gas can quickly flow into the whole range of the heat transfer vessel 23 along the heat transfer vessel 23 due to the limitation of the heat transfer vessel 23, so that the inner cover 2 can be quickly and uniformly heated, and the heating efficiency is greatly improved. After the heating unit 6 is stopped, the gas filled in the heat transfer vessel 23 is re-condensed into liquid for recycling as the temperature decreases.

Preferably, as shown in fig. 1, 5 and 6, the heating unit 6 is in contact with a partial region of the first metal layer 21, and a side of the second metal layer 22 facing the first metal layer 21 is provided with a flow guiding surface 221, and a portion of the heating unit 6 in contact with the first metal layer 21 corresponds to a lower position of the second metal layer 22. This example has both made things convenient for heat conduction medium under the normal atmospheric temperature state can automatic reflux to collect to the position that corresponds with heating unit 6 to heating unit 6 can make its intensification vaporization fast in the cooking process of next time, realized the small tracts of land contact of heating unit 6 and first metal layer 21 again, avoided the temperature rise of the air heat transfer convection layer between inner cup 2 and the lining lid 1 that brings of large tracts of land contact, thereby reduced the temperature of lining lid 1, and the mode of small tracts of land contact can reduce the consumption moreover.

As a preferred example of the second embodiment, the inner cap assembly further includes a crimp member 7, and the side of the inner cap 2 provided with the inflation inlet 25 is clamped and fixed between the crimp member 7 and the retainer ring 4, and a projection of the crimp member 7 toward the inner cap 2 covers the inflation inlet 25. Through setting up crimping piece 7 and forming the shielding to blow up entry 25, avoid wasing the in-process of inner cup subassembly, at blow up entry 25 department and collect dirty and hold up dirty, and shelter from the back, can guarantee the regularity of inner cup 2 upper surface outward appearance, promote outward appearance performance. In addition, the existence of the crimping member 7 can also play a role in prompting the circumferential relative position of the inner cap 2 and the retainer ring 4 during the assembly process of the inner cap assembly, which contributes to the improvement of the assembly efficiency.

The inner cap 2 is provided with an exhaust port 26. The exhaust port is used for exhausting during cooking.

As a preferred example of the second embodiment, the heat transfer vessel 23 is arranged side by side with the air outlet 26 or at least partially around the air outlet 26, so that the air outlet 26 avoids the inflation area of the first metal layer 21 and the second metal layer 22, reduces the sealing difficulty of the sealing member arranged at the position of the air outlet 26, avoids the air leakage problem at the air outlet 26, and avoids the hot steam in the cooking cavity from entering the interior of the pot cover through the air outlet 26, thereby helping to protect the parts inside the pot cover.

As another preferred example of the second embodiment, the exhaust port 26 and the inflation inlet 25 are located on opposite sides of the heat transfer vessel 23. In this embodiment, the inflatable space on the inner cover 2 can be utilized to the greatest extent, so as to improve the coverage of the heat transfer vessel 23, thereby improving the heat transfer efficiency and heat dissipation efficiency of the inner cover 2, and in addition, the relative arrangement of the inflation inlet 25 and the exhaust port 26 can facilitate the planning of the preset path between the first metal layer 21 and the second metal layer 22, improve the inflation efficiency, and facilitate the formation of the heat transfer vessel 23.

As a preferred example of the second embodiment, the heat transfer vessel 23 has a greater protrusion height at the first metal layer 21 than at the second metal layer 22. The bulge height refers to the height of the expanded location compared to the unexpanded region during inflation. In this embodiment, the position of expansion is not limited, or the position of the protrusion of the heat transfer vessel 23 is not limited. As shown in fig. 4 to 6, a specific example is given in which the heat transfer pulse tube 23 is projected only from the first metal layer 21, but the present embodiment is not limited thereto, and the heat transfer pulse tube 23 may be projected both from the first metal layer 21 and from the second metal layer 22, except that the projected height of the heat transfer pulse tube 23 at the first metal layer 21 is larger than the projected height thereof at the second metal layer 22. Preferably, the heat transfer vessel 23 is only raised above the first metal layer 21, so that the second metal layer 22 is a flat or nearly flat smooth surface, thereby facilitating the cleaning of the second metal layer 22 by the user.

As a preferred embodiment of the present utility model, as shown in fig. 1, the upper surface of the inner cap 2 has a contact region 211 contacting the heating unit 6, and a non-contact region 212 connected to the contact region 211, and a vertical height between the contact region 211 and the liner cap 1 is higher than a vertical height between the non-contact region 212 and the liner cap 1. The vertical distance between the contact region 211 and the liner cap 1 is relatively large, thereby reducing heat radiation to the liner cap 1 from the region where the temperature rise rate is the fastest, and further reducing the temperature rise of the liner cap 1.

Preferably, at least a partial region of the heat transfer vessel 23 is in contact with the heating unit 6 in the contact region 211. And/or, the inner cover 2 is provided with a butt joint part which is in butt joint with the heating unit 6, and the heat transfer vessel 23 extends to the butt joint part so as to heat the heat transfer vessel 23. In this embodiment, the structural form of the abutting portion is not limited, and as a preferred mode, the abutting portion is recessed towards a direction away from the heating unit 6 to form a limiting cavity adapted to the heating unit 6, so that on one hand, in the installation process of the inner cover assembly, a prompt of an installation position and an in-place prompt are formed, on the other hand, the limiting effect on the heating unit 6 can be improved, and the heating unit 6 is prevented from being shifted in the use process.

As a preferred embodiment of the present utility model, as shown in fig. 1 to 4, the inner cap assembly further includes a sealing ring 3, the sealing ring 3 includes a sealing body 31 and a sealing lip 32 fixedly connected to the sealing body 31, and the sealing body 31 is clamped and fixed between the inner cap 2 and the fixing ring 4. Referring to fig. 3, the fastening portion 42 is located outside the seal ring 3. The inner cover and the inner container in the pot body can be sealed through the sealing ring 3, the buckling position 42 is positioned in an area outside the sealing ring 3, and the sealing effect of the sealing ring cannot be influenced by the matching of the buckling position and the lining cover. Compared with the technical scheme that the sealing ring 3 is sleeved on the inner cover 2 in the prior art, the sealing body 31 is clamped and fixed between the inner cover 2 and the fixing ring 4 to fix the sealing ring 3, namely, when the inner cover 2 and the fixing ring 4 are assembled, the sealing ring 3 can be installed and positioned, and the sealing ring is convenient and quick to use, and is beneficial to improving the assembly efficiency.

The utility model also discloses a cooking utensil, which comprises a cooker body with a cooking cavity and a cooker cover for opening or closing the cooking cavity, wherein the cooker cover is provided with the heating function; the cooking utensil further comprises a rotating shaft, the pot cover is rotatably connected to the pot body through the rotating shaft, and the movable buckle and the buckle position are located at one side far away from the rotating shaft. The pot cover is rotationally connected to the pot body through the rotating shaft, and the movable buckle and the buckling position are positioned on one side far away from the rotating shaft, so that an operation space can be reserved for a user, and the inner cover assembly is convenient to detach and assemble. In addition, the integrated design of the pot cover and the pot body also provides an installation position for the pot cover, so that the pot cover can be integrated on the pot body after cooking is finished, and the requirements on the storage space and the storage position are saved.

In addition, the design of the pot cover can reduce the heat transfer from the inner cover 2 to the lining cover 1, thereby reducing the requirement on the temperature resistance of the lining cover 1 and prolonging the service life of the lining cover 1. In addition, the inner cover 2 of the present utility model can be heated by the heating unit 6, thereby reducing or even eliminating the accumulation of condensed water on the lower surface of the inner cover 2, ensuring the cooking taste of food in the cooking cavity, and eliminating the waste water collection box on the cooker body, thereby facilitating the design of the cooker body.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a pot cover with heating function, includes lining lid, heating element and inner cup subassembly, its characterized in that, the inner cup subassembly include the retainer plate with install in the inner cup of retainer plate, heating element is located the top of inner cup is in order to heat the inner cup, the inner cup includes first metal level and the second metal level of upper and lower stack, be equipped with heat transfer vessel between first metal level and the second metal level, one of them is equipped with movable buckle, the other of retainer plate and the lining lid be equipped with the knot position of movable buckle adaptation, the retainer plate passes through movable buckle with the joint cooperation of knot position with lining lid detachably connects, heat transfer vessel is by the injection first metal level with the inflation medium between the second metal level is blown up along predetermineeing the route and is formed, the inner cup is equipped with the confession the inflation entry of inflation medium entering, the inflation entry with set up in the movable buckle of retainer plate or the knot position is located in the circumference direction and is located the counterpoint and is arranged, the inner cup is including the retainer plate is located between sealing ring and the sealing lip, sealing ring and the sealing lip are located to the retainer plate is located.

2. The pot cover with the heating function according to claim 1, wherein,

3. The pot cover with the heating function according to claim 1, wherein,

4. The pot cover with the heating function according to claim 1, wherein,

5. The pot cover with the heating function according to claim 1, wherein,

the inner cover is provided with an exhaust port;

6. The pot cover with the heating function according to claim 1, wherein,

7. The pot cover with the heating function according to claim 1, wherein,

8. The pot cover with the heating function according to claim 1, wherein,

9. The pot cover with the heating function according to claim 8, wherein,

10. A cooking appliance comprising a pot body having a cooking cavity, and a pot cover for opening or closing the cooking cavity, wherein the pot cover is a pot cover having a heating function as set forth in any one of claims 1 to 9; the cooking utensil further comprises a rotating shaft, the pot cover is rotatably connected to the pot body through the rotating shaft, and the movable buckle and the buckle position are located at one side far away from the rotating shaft.