CN217696113U - Cooking utensil of top heating - Google Patents

Abstract

The utility model relates to a cooking utensil of top heating, including the pot body and cover establish with the pot cover of pot body top, the pot cover includes the enclosing cover and installs in the inboard inner cup of enclosing cover, be equipped with at least one heating device between inner cup and the enclosing cover, heating device with the inner cup contact is in order to heat the enclosing cover, heating device is facet heating device, interior covering is equipped with heat conduction structure, heat conduction structure overlay distribution in the inner cup, heat conduction medium has been held in the heat conduction structure, facet heating device pass through the elastic component butt in between inner cup and the enclosing cover, so that facet heating device and at least partial heat conduction structure's in close contact with to through heat conduction medium with the heat conduction inner cup. The utility model discloses an elastic component installs facet heating device to the pot cover in for facet heating device can with inner cup upper surface in close contact with when the inner cup is installed to the outer cover, with the stability of guaranteeing heat transfer process in culinary art process.

Description

Cooking utensil of top heating

Technical Field

The utility model relates to a kitchen appliances field, in particular to cooking utensil of top heating.

Background

At present, the pot lid of the electric rice cooker of kitchen use generally includes enclosing cover and inner cup, when sealed heating, the temperature of inner cup is lower for the temperature of the internal portion of pot, the vapor that the pot body produced constantly rises, cover the surface condensation formation comdenstion water including very easily when contacting the inner cup, the comdenstion water is internal at the culinary art process probably flows in the pot, reduce the taste of the internal food of pot, there is the scheme through setting up the heated board between inner cup and enclosing cover in the prior art, in order to improve the temperature of inner cup, but be equipped with certain interval between inner cup and the heated board in the current electric rice cooker usually, heat-conduction between inner cup and the heated board mainly relies on the radiation, its heat conduction efficiency is on the low side, can not improve the temperature of inner cup effectively, still there is the possibility of forming the comdenstion water.

To above-mentioned problem, the technical scheme that an inner cup heated has been proposed among the prior art, through at the heated board setting the inner cup with between the enclosing cover, the heated board is provided with heating device, and the lower surface of heated board with at least partly direct contact of the upper surface of inner cup promotes the heat transfer efficiency of inner cup, or in another kind of scheme, through the hot plate between inner cup and enclosing cover, the hot plate contacts with at least partial inner cup to design the rib in order to promote the area of contact of hot plate and inner cup on the hot plate and promote heat transfer efficiency.

In the technical scheme, an additional part needs to be additionally arranged in the mode of arranging the heating device on the heat insulation plate, and the heat received by a part of area on the inner cover is lower, so that the integral uniform heating of the inner cover cannot be realized, and the possibility of generating condensed water exists; in the heating scheme is realized to the hot plate, need the hot plate of great area to promote the contact area with the inner cup, and the design includes that the hot plate of rib structure can increase the manufacturing cost of electric rice cooker accessory, and it also needs the production of great powerful support in order to prevent the comdenstion water, and energy resource consumption is great.

Disclosure of Invention

In order to solve the problem, the utility model provides a cooking utensil of top heating, through including covering the heat conduction structure who holds heat-conducting medium, the inner cup is located to heat conduction structure overlay type, and transmit the heat to heat-conducting medium through the facet heating device with at least partial heat conduction structure contact, heat-conducting medium spreads to whole inner cup in heat conduction structure, in order to realize the bulk heating of inner cup, and facet heating device passes through the elastic component and installs to the enclosing cover, so that the inner cup keeps when installing in the enclosing cover with facet heating device's in close contact with, guarantee that thermal transmission process is not influenced.

The technical scheme of the utility model as follows:

the utility model provides a cooking utensil of top heating, includes the pot body and covers the pot cover of establishing with pot body top, the pot cover includes the enclosing cover and installs in the inboard inner cup of enclosing cover, be equipped with at least one heating device between inner cup and the enclosing cover, heating device with the inner cup contacts in order to heat the enclosing cover, heating device is facet heating device, cover in and be equipped with heat conduction structure, heat conduction structure distributes with covering in the inner cup, heat conduction medium has been held in the heat conduction structure, facet heating device pass through the elastic component butt in between inner cup and the enclosing cover, so that facet heating device and at least partial heat conduction structure's in close contact with to through heat conduction medium with heat conduction inner cup.

As an embodiment of the utility model, the auxiliary heating structure includes the source of generating heat and wraps up in the outside heat conduction shell in the source of generating heat, the heat conduction shell will generate heat the source through the elastic component and fix extremely the enclosing cover, the bottom downwardly extending of heat conduction shell to the upper surface of inner cup to through elastic force with inner cup looks butt.

As an embodiment of the utility model, the heat conduction shell is including spacing hole and the cooperation that is used for the fixed source that generates heat the mounting groove of elastic component, the lateral wall of mounting groove under the state that the inner cup is not installed with leave the deformation clearance between the top surface of enclosing cover.

As an embodiment of the utility model, the bottom of enclosing cover is equipped with the mounting hole, the heat conduction shell passes through the mounting hole is fixed to the enclosing cover, the both sides of heat conduction shell are equipped with spacing step, spacing step cooperation the mounting hole is with spacing the heat conduction shell.

As an embodiment of the present invention, the heat conducting structure includes a heating region corresponding to the contact with the facet heating device and a heat transfer vessel communicated to the heating region, and the heating region includes a contact surface located on the upper surface of the inner cover and a holding cavity for holding the heat conducting medium.

As an embodiment of the present invention, the contact surface is concavely disposed on the upper surface of the inner lid to form a positioning groove for limiting the lateral displacement of the facet heating device.

As an embodiment of the present invention, the heat conducting structure includes a heat transfer vessel, and at least a portion of the upper surface of the inner lid is in contact with the facet heating device to cooperate with the heat transfer vessel to form a heating region in corresponding contact with the facet heating device.

As an embodiment of the present invention, the heat transfer vessel is formed by blowing an injected blowing medium along a preset path, and an inlet of the preset path is sealed by crimping or laser welding.

As an embodiment of the present invention, the heat transfer medium is a gas or a liquid mixed with the heat transfer medium.

As an embodiment of the present invention, a heat insulation ring is further disposed between the facet heating device and the outer cover.

The technical effects of the utility model are as follows:

the utility model discloses a cover the heat conduction structure that sets up overlay type and distribute including, the inside heat-conducting medium that is equipped with of heat conduction structure, and be provided with facet heating device between inner cover and enclosing cover, facet heating device corresponds the contact with at least partial heat conduction structure, at cooking utensil's culinary art in-process, heat-conducting medium receives the heat of transmission on the facet heating device, and flow in heat conduction structure with heat diffusion to whole inner cup, realize wholly carrying out effective heating to the inner cup with the heating device of less power, can prevent that inner cup lower surface from generating the comdenstion water when practicing thrift electric energy, need not to add other additional structures simultaneously, the assembly is simple, the manufacturing cost of accessory has been reduced. Simultaneously the utility model provides a facet heating device passes through elastic component fixed mounting to enclosing cover to facet heating device can with inner cup upper surface in close contact with when making the inner cup install to the enclosing cover on, with the stability of guaranteeing to cook in-process heat transfer process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of the whole structure of the cooking utensil of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic view of the configuration of the inner lid portion containing the receiving cavity in cooperation with the facet heating device.

Figure 4 is a schematic view of the configuration of the inner lid portion in cooperation with the facet heating device.

Fig. 5 is a schematic view of the structure of the inner lid including the receiving cavity.

Reference numerals:

100. an outer cover; 101. mounting holes; 200. an inner cover; 300. a facet heating device; 301. a heat generating source; 302. a thermally conductive housing; 3021. a limiting hole; 3022. mounting grooves; 3033. a limiting step; 303. a heat insulating ring; 400. a heat conducting structure; 401. a heat transfer vessel; 402. a contact surface; 403. an accommodating cavity; 404. a blowing inlet; 500. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a cooking utensil of top heating, as shown in figure 1, including the pot body and the pot cover of lid establish with pot body top, the pot cover includes enclosing cover 100 and installs in enclosing cover 100 inboard inner cup 200, be equipped with at least one heating device between inner cup 200 and the enclosing cover 100, heating device with inner cup 200 contact is in order to heat inner cup 200, heating device is facet heating device 300, be equipped with heat conduction structure 400 on the inner cup 200, heat conduction structure 400 distributes coveredly in inner cup 200, the heat-conducting medium has been held in the heat conduction structure 400, heat conduction structure 400 at least partially with facet heating device 300 corresponds the contact to through heat conduction inner cup 200 of heat conduction with facet heating device 300 of heat conduction medium, facet heating device 300 installs to enclosing cover 100 through elastic component 500 simultaneously, under the effect of elastic component 400, when the inner cup 200 is installed to enclosing cover 100, facet heating device 300 butt is between 200 and enclosing cover 100 for the lower surface in close contact with facet heating device 300 of inner cup 200, the condition that the heat transfer process middle and small face heating device 300 can not appear breaking away from, guarantees the stability of heating process inner cup 200.

In the aforesaid, be provided with the heat conduction structure on the inner cup, heat conduction structure overlay type distributes in the inner cup, simultaneously through facet heating device and partial heat conduction structure contact, to inner cup transmission heat, the heat-conducting medium has been held in the heat conduction structure, heat diffusion to whole inner cup after the heat-conducting medium is heated, realize the even heating of inner cup, prevent the production of comdenstion water, and simultaneously, facet heating device is for prior art's heated board, subassembly such as hot plate are littleer, the assembling process is simpler, required output is lower, make the holistic power consumption of cooking utensil lower.

Specifically, as shown in fig. 2, the facet heating device 300 includes a heat source 301 and a heat conducting casing 302 wrapped outside the heat source 301, the heat conducting casing 302 fixes the heat source 301 to the outer cover 100 through an elastic member 500, the bottom of the heat conducting casing 302 extends downward to the upper surface of the inner cover 200 and abuts against the inner cover 200 through an elastic force, wherein the heat conducting casing 302 includes a limiting hole 3021 for fixing the heat source 301 and an installation groove 3022 matched with the elastic member 500, a deformation gap is left between the side wall of the installation groove 3022 and the top surface of the outer cover 100 in a state that the inner cover 200 is not installed, so that the heat conducting casing 302 can contract inward when the inner cover 200 is installed, and abuts against between the outer cover 100 and the inner cover 200 through the elastic force of the elastic member 500, so that the upper surface of the inner cover 200 is in close contact with the lower surface of the heat conducting casing 302, thereby achieving the limiting effect and ensuring the stability of the heat transfer process.

Further, as shown in fig. 2, the bottom of the outer cover is provided with a mounting hole 101, the heat conducting outer shell 302 is fixed to the outer cover through the mounting hole 101, the two sides of the heat conducting outer shell 302 are provided with limiting steps 3023, and the limiting steps 3023 are matched with the mounting hole 101 to limit the heat conducting outer shell 302, so that the installation reliability of the small face heating device 300 is further enhanced, the problem of displacement in the using process is avoided, and the stability of the heating function of the inner cover is ensured.

In the above, as shown in fig. 2, the outer cover 100 is generally made of a plastic material, and the heat conducting shell 302 is generally made of a heat conducting material in order to ensure that the heat of the heat generating source 301 can be transferred outwards, when the heat conducting shell 302 is installed on the outer cover 100 and the heat generating source 301 operates normally, the outer cover 100 may be deformed or even release toxic gas due to continuous heating, which affects the performance and cooking effect of the product, and therefore, a heat insulating ring 303 is further disposed between the outer cover 100 and the heat conducting shell 302 to insulate the heat of the facet heating device 300, thereby avoiding the influence of the heat on the outer cover 100 made of plastic.

In this embodiment, as shown in fig. 3, the heat conducting structure 400 includes a heating region correspondingly contacting with the facet heating device 300 and a heat transfer pulse tube 401 connected to the heating region, the heat transfer pulse tube 401 is made by blowing a preset path on the inner lid 200, a heat conducting medium is disposed in the heating region, and obtains heat through direct contact with the facet heating device 300 and transfers the heat to the heat conducting medium, and after obtaining the heat, the heat conducting medium transfers the heat to the whole inner lid 200 through the heat transfer pulse tube 401 communicating with the middle heating region, so as to achieve uniform heating of the inner lid 200, so that the temperature of the lower surface of the inner lid 200 is always maintained within a certain range, and the cooking effect of food materials is prevented from being damaged by the generated condensed water. Specifically, as shown in fig. 3, the heating region includes a contact surface 402 located on the upper surface of the inner lid 200 and an accommodating cavity 403 protruding from the lower surface of the inner lid 200, the accommodating cavity 403 is used for accommodating the heat conducting medium, the heat transfer vessel 401 is communicated with the accommodating cavity 403 so that the heat conducting medium can circulate in the inner lid 200, the contact surface 402 is used for correspondingly contacting with the lower surface of the facet heating device 300 to transfer heat to the accommodating cavity 403 below, and the heat conducting medium is rapidly dispersed to each position of the lower surface of the inner lid 200 along the heat transfer vessel 401 after receiving the heat, so as to increase the overall temperature of the inner lid 200.

In other embodiments of this embodiment, the contact surface may be further recessed in the upper surface of the inner lid to form a positioning groove for limiting the lateral displacement of the facet heating device, enhancing the positioning effect of the facet heating device, and having a certain fool-proof function.

In another embodiment of this embodiment, as shown in fig. 4, the heat conducting structure 400 includes a heat conducting vessel 401, the heat conducting vessel 401 is disposed on the lower surface of the inner lid 200 and protrudes toward the inner container, the facet heating device 300 is fixedly mounted on the outer lid 100, and one side of the heat conducting vessel extends toward the inner lid 200 to contact with the upper surface of the inner lid 200 when the inner lid 200 is mounted on the outer lid 100, in this embodiment, a region where the upper surface of the inner lid 200 contacts with the facet heating device 300 and a portion of the heat conducting vessel 401 disposed below the region are defined as a heating region, the heating region is used for directly contacting with the facet heating device 300, and most of the heat conducting medium is concentrated in the region, so that the heat conducting medium can obtain heat when the facet heating device 300 is operated, and as the heat conducting vessel 401 rapidly diffuses the heat to other regions of the inner lid, the temperature of the entire inner lid 200 can be ensured to be always stabilized within a certain range during cooking, thereby preventing water vapor from condensing on the lower surface of the inner lid and improving cooking effect of the cooking appliance.

The heat-conducting medium that lets in this embodiment is for being thoughtlessly having superconducting liquid of heat-conducting medium, is the liquid under the normal temperature, and the evaporation is gaseous state and inflation after being heated, owing to receive the restriction of heat transfer vessel, and the gas after the inflation can be followed heat transfer vessel and dispersed to each position of inner cup fast to the realization is to the quick even heating of inner cup, and after the culinary art was finished, facet heating device closed, and the inner cup temperature begins to descend, and the gas that is filled in the heat transfer vessel condenses for superconducting liquid again so that recycle.

It should be noted that the heat-conducting medium introduced in this embodiment may be a liquid or a gas mixed with the heat-conducting medium at normal temperature, and is not limited to the type of the heat-conducting medium, for example, in other embodiments of this embodiment, air mixed with hydrogen or helium may be used as the heat-conducting medium, but hydrogen is heated to cause a safety problem, helium is used at a high cost, and a superconducting liquid mixed with the heat-conducting medium is preferred as the heat-conducting medium in this embodiment due to the influence of heat-conducting performance, cost and safety.

In this embodiment, as shown in fig. 5, a blowing inlet 404 is formed in a side wall of the inner lid, in this embodiment, a blowing medium, such as a high-pressure liquid or a high-pressure gas, is introduced into the blowing inlet 404, and a preset path on the inner lid 200 is expanded into a pipeline by pressure generated by the blowing medium to form a heat transfer vessel 401, after the heat transfer vessel 401 is blown and a heat transfer medium is introduced, the blowing inlet 404 needs to be closed, in this embodiment, sealing is performed by die crimping or laser welding, further, in order to improve sealing performance, sealing may be performed at a heat transfer vessel near the blowing inlet by die crimping, and the blowing inlet 404 is sealed by laser welding.

In other embodiments of this embodiment, the heat conducting medium that holds the heat conducting medium that also can adopt ordinary pipeline, compare in the heat transfer vases that the inflation formed, the degree of difficulty that ordinary pipeline set up in the inner cup that itself thickness is thinner is great, and when guaranteeing that the pipeline of certain holding volume receives the thickness restriction, the outer wall of pipeline is generally thinner, has cracked hidden danger, and ordinary pipeline needs additionally to add the subassembly, and assembly cost is higher, therefore this embodiment regards the heat transfer vases as the preferred of heat conducting structure.

In other embodiments of the above embodiments, the heat conducting casing may also be processed to a certain extent, a certain gap is left between the inner cover and the outer cover, one side of the heat conducting casing of the facet heating device extends out of the mounting hole to be in contact with the inner cover correspondingly, so that the bottom of the heat conducting casing and the outer cover keep a certain distance, and a material for shielding heat transfer is coated on the side wall of the heat conducting casing to ensure that the outer cover is not affected by heat on the facet heating device, and the bottom wall of the heat conducting casing uses a normal heat conducting material to ensure heat transfer of the inner cover.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a cooking utensil of top heating, includes the pot body and covers the pot cover of establishing with pot body top, the pot cover includes the enclosing cover and installs in the inboard inner cup of enclosing cover, be equipped with at least one heating device between inner cup and the enclosing cover, heating device with the inner cup contact is in order to heat the inner cover, a serial communication port, heating device is facet heating device, the interior cover is equipped with heat conduction structure, heat conduction structure cover-type distribute in the inner cup, heat conduction medium has been held in the heat conduction structure, facet heating device pass through the elastic component butt in between inner cup and the enclosing cover, so that facet heating device and at least partial heat conduction structure's in close contact with to through heat conduction medium with heat conduction inner cup.

2. A top-heating cooking appliance as claimed in claim 1, wherein the facet heating device comprises a heat generating source and a heat conductive shell surrounding the heat generating source, the heat conductive shell fixing the heat generating source to the outer lid by means of elastic members, a bottom of the heat conductive shell extending downward to an upper surface of the inner lid and abutting against the inner lid by means of elastic force.

3. The top-heating cooking appliance of claim 2, wherein the heat-conducting casing includes a position-limiting hole for fixing the heat-generating source and a mounting groove fitted with the elastic member, and a deformation gap is left between a sidewall of the mounting groove and a top surface of the outer cover in a state where the inner cover is not mounted.

4. A top-heating cooking utensil as claimed in claim 2 wherein the bottom of the outer lid has mounting holes through which the heat conductive shell is secured to the outer lid, and the heat conductive shell has retaining steps on both sides that engage the mounting holes to retain the heat conductive shell.

5. A top-heating cooking appliance as claimed in claim 1 wherein the heat conducting structure comprises a heating zone in corresponding contact with the facet heating device and a heat transfer vessel communicating to the heating zone, the heating zone comprising a contact surface provided on the upper surface of the inner lid and a receiving chamber for receiving the heat conducting medium.

6. A top heating cooking appliance as claimed in claim 5, wherein the contact surface is recessed in the upper surface of the inner lid to form a detent for limiting side-to-side displacement of the facet heating apparatus.

7. A top-heating cooking appliance as claimed in claim 1 wherein the heat conducting structure comprises a heat transfer vessel, the inner cover upper surface being at least partially in contact with the facet heating device to cooperate with the heat transfer vessel to form a heating zone in corresponding contact with the facet heating device.

8. A top-heated cooking appliance as claimed in any one of claims 5 to 7, wherein the heat transfer vessel is formed by blowing an injected blowing medium along a predetermined path, the entrance of which is sealed by crimping or laser welding.

9. A top heating cooking appliance as claimed in claim 1, wherein the heat transfer medium is a gas or liquid mixed with a heat transfer medium.

10. A top heating cooking appliance as claimed in claim 1, wherein an insulating ring is provided between the facet heating apparatus and the outer lid.

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