CN223041294U - Cooking utensils - Google Patents

Abstract

The utility model provides a cooking utensil which comprises a heating base, a liner and a blowing component, wherein the heating base comprises a shell, a heat preservation cover arranged in the shell and a heating component at least partially arranged in the heat preservation cover, an air inlet communicated with the outside is formed in the shell, the liner is arranged in the heat preservation cover and can be in contact with the heating component, a ventilation gap is formed between the side wall of the liner and the side wall of the liner, the blowing component is arranged between the bottom wall of the heat preservation cover and the bottom wall of the shell, an inlet of the blowing component is communicated with the air inlet, and an outlet of the blowing component is communicated with the ventilation gap through the air outlet so as to realize three-dimensional heating of the liner and simultaneously facilitate reducing the temperature rise of the shell.

Description

Cooking utensil

Technical Field

The utility model relates to the field of small household appliances, in particular to a cooking appliance.

Background

In the existing cooking utensil, such as an electric stew pot, the electric stew pot comprises a heating base, a pot body and an inner container, wherein the inner container is positioned in the pot body and is placed on the heating base, so that food materials in the inner container are heated. The inner bag material is ceramic generally, and the pottery can make the food material keep original juice and flavor, but because ceramic material's thermal conductivity is low, causes the unable effectual food material of heating to the inner bag of heating device that heats the base production, causes great part heat to diffuse to the periphery through heating device bottom, causes great part heat extravagant, causes heating device's heating efficiency low, and cooking time is long.

In addition, the diffused heat can cause the temperature of the pot body to rise, which is easy to cause a certain risk.

Disclosure of utility model

In view of the foregoing, it is necessary to provide a cooking appliance to reduce heat waste and improve heating efficiency.

The utility model provides a cooking utensil which comprises a heating base, a liner and a blowing component, wherein the heating base comprises a shell, a heat preservation cover arranged in the shell and a heating component at least partially arranged in the heat preservation cover, an air inlet communicated with the outside is formed in the shell, the liner is arranged in the heat preservation cover and can be in contact with the heating component, a ventilation gap is formed between the side wall of the liner and the side wall of the liner, the blowing component is arranged between the bottom wall of the heat preservation cover and the bottom wall of the shell, an inlet of the blowing component is communicated with the air inlet, and an outlet of the blowing component is communicated with the ventilation gap through the air outlet.

According to the cooking utensil, the heating assembly is used for directly heating the contact part of the inner container and the heating assembly, through the arrangement of the blowing assembly, hot air in the shell enters the heat preservation cover through the blowing assembly and upwards drives heat radiated by the periphery of the heating assembly, so that hot air is formed in the ventilation gap and the side wall of the inner container is heated, the inner container is uniformly heated, three-dimensional heating is realized, the utilization rate of heat generated by the heating assembly can be improved, the heat waste is reduced, the heating efficiency is improved, and the cooking duration is shortened. In addition, because the inlet of the blowing component is positioned in the shell, negative pressure is generated in the shell, so that the outside air with lower temperature enters the shell, and the temperature rise of the shell is reduced.

In one embodiment, the air outlet on the heat-retaining cover is at least partially located below the heating assembly.

By the arrangement, wind entering the heat preservation cover from the air outlet can fully contact with the heating component and quickly heat up, then flows to the periphery, and the temperature of hot wind contacting with the side wall of the liner is guaranteed to be higher.

In one embodiment, the air inlet is formed in the bottom wall of the housing.

So set up, the during operation of subassembly of blowing can inhale cooking utensil through the air intake with the cold air of the bottom of shell and the lateral part of shell in, guarantee that the bottom of shell and the lateral part of shell can both maintain a lower temperature, reduce the temperature rise of other components in the shell.

In one embodiment, the air blowing component comprises a bracket and a fan arranged on the bracket, the bracket is arranged on the shell and/or the heat insulation cover, an inlet of the fan is communicated with the air inlet, and an outlet of the fan is communicated with the air outlet.

The arrangement is simple in structure, low in cost and free from occupying too much space inside the shell or the heat preservation cover.

In one embodiment, the air blowing assembly further comprises an air guide pipe with an air guide channel, one end of the air guide pipe is connected to the outlet of the fan, and the other end of the air guide pipe is connected to the air outlet of the heat insulation cover, so that the outlet of the fan is communicated with the air outlet through the air guide channel.

So set up, the guide duct can play the effect of water conservancy diversion to the wind that the subassembly was blown out of blowing, and the guide duct makes the wind that flows from the export of fan all can flow into in the heat preservation cover through the wind-guiding passageway and the air outlet of guide duct, improves gas utilization ratio.

In one embodiment, the cooking appliance further comprises an air guiding structure along the flow direction of the air passing through the air outlet, wherein the air guiding structure is arranged on the heat insulation cover or the heating assembly.

The air guide structure can play a role in guiding air in the heat preservation cover, so that the air at the bottom of the heat preservation cover can uniformly flow upwards along the periphery of the inner container, the inner container is ensured to be heated uniformly, and the heating efficiency is improved.

In one embodiment, the air guiding structure comprises a plurality of air guiding ribs, and the air guiding ribs are arranged at intervals along the circumference of the heat insulation cover and/or the air outlet.

The arrangement makes the hot air in the heat preservation cover flow along the extending direction of the air guide rib and evenly distributed on the periphery of the inner container.

In one embodiment, the air guide rib is spiral and is arranged at the joint of the bottom wall of the heat insulation cover and the side wall of the heat insulation cover.

The arrangement ensures that the wind flowing through the wind guide ribs can gradually flow upwards in a spiral shape along the circumferential direction of the inner container, and ensures that the circumferential direction of the hot wind outside the inner container is uniform and the whole body of the hot wind flows upwards.

In one embodiment, the liner is made of a ceramic material.

So set up, can make the food keep original juice and flavor, improve the culinary art effect.

In one embodiment, the heating assembly is disposed in a liftable manner relative to the bottom wall of the insulating cover.

So set up, can guarantee that the diapire of not unidimensional inner bag can all laminate with heating element.

Drawings

Fig. 1 is a schematic cross-sectional structure of a cooking appliance according to an embodiment of the present utility model;

FIG. 2 is an exploded cross-sectional schematic view of the cooking appliance of FIG. 1;

FIG. 3 is an airflow chart of the cooking appliance of FIG. 1;

Fig. 4 is a schematic structural diagram of the heat insulation cover and the air guiding structure in a top view of fig. 1.

The heating device comprises the following components of 10, a heating base, 11, a shell, 111, an air inlet, 12, a heating component, 13, a reset piece, 20, a heat insulation cover, 21, an air outlet, 30, an inner container, 40, a blowing component, 41, a bracket, 42, a fan, 43, an air guide pipe, 431, an air guide channel, 50, an air guide structure, 51 and an air guide rib.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that when an element is referred to as being "mounted to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

In the existing cooking utensil, such as an electric stew pot, the electric stew pot comprises a heating base, a pot body and an inner container, wherein the inner container is positioned in the pot body and is placed on the heating base, so that food materials in the inner container are heated. The inner bag material is ceramic generally, and the pottery can make the food material keep original juice and flavor, but because ceramic material's thermal conductivity is low, causes the unable effectual food material of heating to the inner bag of heating device that heats the base production, causes great part heat to diffuse to the periphery through heating device bottom, causes great part heat extravagant, causes heating device's heating efficiency low, and cooking time is long. In addition, the diffused heat can cause the temperature of the pot body to rise, which is easy to cause a certain risk.

In order to solve the above problems, as shown in fig. 1 to 4, the present application provides a cooking appliance to reduce heat waste and improve heating efficiency.

As shown in fig. 1 and 3, specifically, the cooking appliance comprises a heating base 10, a heat insulation cover 20, an inner container 30 and a blowing component 40, wherein the heating base 10 comprises a shell 11 and a heating component 12 positioned in the shell 11, an air inlet 111 is formed in the shell 11, the heat insulation cover 20 is arranged in the shell 11, the heating component 12 is at least partially positioned in the heat insulation cover 20, an air outlet 21 is formed in the bottom wall of the heat insulation cover 20, the inner container 30 is arranged in the heat insulation cover 20 and can be in contact with the heating component 12, a ventilation gap is formed between the side wall of the inner container 30 and the side wall of the heat insulation cover 20, the blowing component 40 is positioned between the bottom wall of the heat insulation cover 20 and the bottom wall of the shell 11, an inlet of the blowing component 40 is communicated with the air inlet 111, and an outlet of the blowing component 40 is communicated with the ventilation gap through the air outlet 21.

In the cooking appliance provided by the embodiment of the utility model, the heating component 12 is used for directly heating the portion of the liner 30 contacted with the heating component 12, for example, the bottom wall of the liner 30, and through the arrangement of the blowing component 40, the hot air in the shell 11 enters the heat insulation cover 20 through the blowing component, and the heat radiated by the periphery of the heating component 12 is driven upwards, so that hot air is formed in the ventilation gap. The hot air in the ventilation gap can heat the side wall of the inner container 30, so that the inner container is heated uniformly, and three-dimensional heating of the inner container 30 is realized. And the utilization rate of heat generated by the heating component can be improved, and the heat waste is reduced, so that the heating efficiency is improved, and the cooking time is shortened. In addition, because the inlet of the blowing component 40 is positioned in the shell 11, negative pressure is formed at the inlet of the blowing component 40 when the cooker is in operation, so that air in the shell 11 is sucked into the blowing component 40, and air which is communicated with the outside and has lower temperature can enter the shell 11, thereby being beneficial to reducing the temperature rise of the shell, further avoiding the temperature rise of other elements in the shell 11, avoiding causing risks and ensuring the use safety of the cooker.

In one embodiment, the liner 30 is made of a ceramic material. The inner container 30 made of ceramic material can keep the original taste and flavor of food materials, and the heating assembly 12 and the blowing assembly 40 are matched, so that the food materials in the inner container 30 can be effectively heated by the heat generated by the heating assembly 12, and the cooking effect is improved. Of course, in other embodiments, the liner 30 may be made of other materials such as stainless steel and aluminum alloy, and the embodiment of the present utility model is not limited herein.

As shown in fig. 1, the heating assembly 12 is disposed in a liftable manner relative to the bottom wall of the insulating cover 20. When the liner 30 is arranged in the heat preservation cover 20, the liner 30 can downwards press the heating assembly 12, so that the heating assembly 12 descends relative to the bottom wall of the heat preservation cover 20, the bottom walls of the liner 30 with different sizes can be guaranteed to be attached to the heating assembly 12, the problem that the normal use of the cooking utensil is affected due to the fact that the bottom wall of the liner 30 cannot be attached to the heating assembly 12 due to the size error of the liner 30 is avoided, and meanwhile, the application range of the cooking utensil can be expanded.

Further, the heating base 10 further includes a restoring member 13, such as a spring, or the like, provided between the heating element 12 and the bottom wall of the heat retaining cover 20, or between the heating element 12 and the bottom wall of the housing 11. When the liner 30 is placed in the heat preservation cover 20, the heating assembly 12 descends relative to the bottom wall of the heat preservation cover 20, the reset piece 13 is compressed, and force towards the liner 30 can be applied to the heating assembly 12, so that the bottom wall of the liner 30 can be tightly attached to the heating assembly 12. After the liner 30 is taken out, the heating assembly 12 can be lifted and reset relative to the bottom wall of the heat preservation cover 20 under the action of the resetting piece 13.

As shown in fig. 3 to 4, the air outlet 21 on the heat insulation cover 20 is at least partially located below the heating component 12, so that the air entering the heat insulation cover 20 from the air outlet 21 can contact with the heating component 12, which is beneficial to taking away the heat at the side and bottom of the heating component 12 and then flowing to the surrounding, thereby ensuring that the temperature of the hot air contacting with the side wall of the liner 30 is higher. Specifically, the air outlet 21 may be disposed at the center of the bottom wall of the heat insulation cover 20, or may be disposed eccentrically, so long as it is ensured that the air outlet 21 and the air blowing component 40 do not interfere with other elements in the housing 11 and the heat insulation cover 20, which is not particularly limited herein.

As shown in fig. 1 to 2, in one embodiment, the air inlet 111 is formed on the bottom wall of the housing 11. When the air blowing component 40 works, cold air at the bottom of the shell 11 and at the side part of the shell 11 can be sucked into the cooking utensil through the air inlet 111, so that the bottom of the shell 11 and the side part of the shell 11 can be maintained at a lower temperature, the temperature rise of other elements in the shell 11 is further reduced, and the use safety of the cooking utensil is ensured. In addition, the air inlet 111 is formed in the bottom wall of the housing 11, so that the air inlet 111 is not exposed, and the overall appearance of the housing 11 is ensured to be regular. Of course, in other embodiments, the air inlet 111 may be formed on a side wall of the housing 11 or at other positions, so long as the external air can be sucked into the cooking apparatus through the air inlet 111, which is not particularly limited herein.

As shown in fig. 2 to 3, in one embodiment, the blower assembly 40 includes a bracket 41 and a fan 42 provided to the bracket 41, the bracket 41 is provided to the housing 11, an inlet of the fan 42 communicates with the air inlet 111, and an outlet of the fan 42 communicates with the air outlet 21. The bracket 41 is used for supporting the fan 42 and fixing the fan 42 with the housing 11, and when the fan 42 rotates, the outside air can be driven to flow along the directions of the air inlet 111, the inlet of the fan 42, the outlet of the fan 42 and the air outlet 21. The bracket 41 and the fan 42 are simple in structure, low in cost, and do not occupy excessive space inside the housing 11. Of course, in other embodiments, the blower assembly 40 may be configured to drive external air into the heat insulation cover 20, such as a blower, a centrifugal fan, etc., which is not limited in this embodiment.

In other embodiments, the bracket 41 may also be provided on the thermal cover 20. Or the bracket 41 is simultaneously provided on the heat-retaining cover 20 or the housing 11, so long as the bracket 41 is ensured to be stably fixed at the corresponding position.

As shown in fig. 2 to 3, the blowing assembly 40 further includes an air guide duct 43 having an air guide channel 431, one end of the air guide duct 43 is connected to the outlet of the fan 42, and the other end of the air guide duct 43 is connected to the air outlet 21 of the heat insulation cover 20, so as to communicate the outlet of the fan 42 with the air outlet 21 through the air guide channel 431. The air guide pipe 43 can guide the air blown by the air blowing assembly 40, so that the air flowing out from the outlet of the fan 42 can flow into the heat insulation cover 20 through the air guide channel 431 of the air guide pipe 43 and the air outlet 21, and the air utilization rate is improved.

Specifically, the inner diameter of the air guide channel 431 may be gradually reduced along the flow direction of the air in the air guide channel 431 to increase the flow rate of the air flowing into the heat preservation cover 20, further improving the heating efficiency. Of course, the inner diameter of the air guiding channel 431 may also gradually increase or remain unchanged along the air flow direction in the air guiding channel 431, and the embodiment of the present utility model is not limited herein.

As shown in fig. 2 to 4, the cooking appliance further includes an air guiding structure 50 along the flow direction of the wind passing through the air outlet 21, and the air guiding structure 50 is provided to the heat insulation cover 20 or the heating assembly 12. In other embodiments, the air guiding structure 50 may be provided on both the thermal cover 20 and the heating assembly 12. The wind guiding structure 50 can play a role in guiding wind in the heat preservation cover 20, so that wind at the bottom of the heat preservation cover 20 can uniformly flow upwards along the periphery of the liner 30, the liner 30 is further ensured to be heated uniformly, and the heating efficiency is improved.

As shown in fig. 2 and 4, in one embodiment, the air guiding structure 50 includes a plurality of air guiding ribs 51, and the air guiding ribs 51 are disposed at intervals along the circumferential direction of the heat insulation cover 20 or the air outlet 21. The plurality of air guide ribs 51 enable the hot air in the heat insulation cover 20 to flow along the extending direction of the air guide ribs 51 and be uniformly distributed on the periphery of the liner 30.

Specifically, the wind-guiding rib 51 may be spiral and is disposed at the junction of the bottom wall of the heat-preserving cover 20 and the side wall of the heat-preserving cover 20. Referring to fig. 4, the heat-insulating cover 20 is seen from top to bottom, and the air guide ribs 51 extend spirally rightward from the bottom wall of the heat-insulating cover 20 to the side wall of the heat-insulating cover 20. In this way, the wind flowing through the wind guide ribs 51 can gradually flow upwards in a spiral shape along the circumferential direction of the inner container 30, so that the uniform circumferential direction of the hot wind outside the inner container 30 and the upward flow of the whole body are ensured.

In other embodiments, the air guide rib 51 may be left spiral, and the air guide rib 51 may be an integral spiral structure, and of course, the air guide structure 50 may also include a flow guide structure disposed at a bottom wall of the heat insulation cover 20, a side wall of the heat insulation cover 20, a bottom wall of the heating element 12, or an outer side wall of the heating element 12, so long as the flow guide function can be performed on the hot air in the heat insulation cover 20, so that the hot air can be uniformly distributed on the outer periphery of the liner 30 and flow upwards.

As shown in fig. 1, the cooking appliance may be an electric stew pot, a stewing cup, or the like, which heats the inner container 30 through the heating assembly 12 in the heating base 10.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A cooking appliance, comprising:

The heating base (10) comprises a shell (11), a heat preservation cover (20) arranged in the shell (11) and a heating assembly (12) at least partially arranged in the heat preservation cover (20), wherein an air inlet (111) communicated with the outside is formed in the shell (11), and an air outlet (21) is formed in the bottom wall of the heat preservation cover (20);

A liner (30) arranged in the heat-preserving cover (20) and capable of contacting with the heating component (12), wherein a ventilation gap is arranged between the side wall of the liner (30) and the side wall of the heat-preserving cover (20), and

The air blowing component (40) is positioned between the bottom wall of the heat preservation cover (20) and the bottom wall of the shell (11), an inlet of the air blowing component (40) is communicated with the air inlet (111), and an outlet of the air blowing component (40) is communicated with the ventilation gap through the air outlet (21).

2. Cooking appliance according to claim 1, characterized in that the air outlet (21) on the insulating cover (20) is at least partially located below the heating assembly (12).

3. Cooking appliance according to claim 1, characterized in that the air inlet (111) is open on the bottom wall of the housing (11).

4. Cooking appliance according to claim 1, wherein the blowing assembly (40) comprises a bracket (41) and a fan (42) arranged on the bracket (41), the bracket (41) is arranged on the shell (11) and/or the heat preservation cover (20), an inlet of the fan (42) is communicated with the air inlet (111), and an outlet of the fan (42) is communicated with the air outlet (21).

5. The cooking appliance according to claim 4, wherein the air blowing assembly (40) further comprises an air guide pipe (43) having an air guide channel (431), one end of the air guide pipe (43) is connected to the outlet of the fan (42), and the other end of the air guide pipe (43) is connected to the air outlet (21) of the heat insulation cover (20) so as to communicate the outlet of the fan (42) with the air outlet (21) through the air guide channel (431).

6. Cooking appliance according to claim 1, characterized in that the cooking appliance further comprises an air guiding structure (50) along the flow direction of the air through the air outlet (21), the air guiding structure (50) being provided to the heat retaining cover (20) and/or the heating assembly (12).

7. The cooking appliance according to claim 6, wherein the air guiding structure (50) comprises a plurality of air guiding ribs (51), and the air guiding ribs (51) are arranged at intervals along the circumference of the heat insulation cover (20) or the air outlet (21).

8. Cooking appliance according to claim 7, characterized in that the air guide rib (51) is spiral and is arranged at the junction of the bottom wall of the heat-preserving cover (20) and the side wall of the heat-preserving cover (20).

9. Cooking appliance according to claim 1, characterized in that the inner container (30) is made of ceramic material.

10. Cooking appliance according to claim 1, wherein the heating assembly (12) is arranged liftable with respect to the bottom wall of the insulating cover (20).