CN207444814U - Pot and cooking apparatus in ceramic inserts metal - Google Patents

Abstract

The utility model is related to household appliance technical fields, disclose pot and cooking apparatus in ceramic inserts metal.Pot includes the ceramic layer (1) as internal layer, the metal layer (3) as outer layer and the heat conductive elastomeric layer (2) between ceramic layer (1) and metal layer (3) in the ceramic inserts metal, wherein, the sidewall thickness of the ceramic layer (1) is more than bottom thickness.According to pot in ceramic inserts metal described in the utility model, extruding of the metal layer high-temperature expansion to ceramic layer can be alleviated, avoid the rupture of ceramic layer, and with certain impact resistant drop performance；Moreover, the sidewall thickness D by making ceramic layer 1₁More than bottom thickness D₂And the thickness of R curved surfaces, pot in the ceramic inserts metal can be made to obtain preferably heat preservation and thermal storage performance.

Description

Pot and cooking apparatus in ceramic inserts metal

Technical field

The utility model is related to household appliance technical fields, and in particular to pot and cooking apparatus in ceramic inserts metal.

Background technology

It is higher and higher recently as the living standard of the people, it is higher and higher to the cookware material requirements of health environment-friendly, it is right Metal material cookware gets rusty and increasingly worries the problems such as poisoning, and due to the superior function of ceramic material, health environment-friendly, chemically-resistant is rotten Erosion, with food Long Term Contact during there is no metallic element dissolve out risk, also have the function of that certain far infrared penetrates, protect The tasty of food is demonstrate,proved, cookware field is applied to and is increasingly taken seriously, but ceramic material does not have electromagnetic heating function, than It is more crisp easily to fall rupture, and there are security risks applied to pressure cooker for ceramic pan.

Utility model content

The purpose of this utility model is to overcome do not have existing for the existing ceramic cooker being made of ceramic materials Electromagnetic heating function is easily broken and security is poor at high temperature under high pressure and heat preservation, the defects of thermal storage performance is bad, is provided Pot and cooking apparatus in a kind of ceramic inserts metal.

To achieve these goals, on the one hand the utility model provides pot in a kind of ceramic inserts metal, the ceramic inserts Pot includes the ceramic layer as internal layer, the metal layer as outer layer and the heat conduction between ceramic layer and metal layer in metal Elastic layer, wherein, the sidewall thickness of the ceramic layer is more than bottom thickness.

Preferably, the sidewall thickness of the ceramic layer is more than the thickness of the transition junction between bottom and side wall.

Preferably, the sidewall thickness of the ceramic layer is incremented by successively from top to bottom.

It is highly preferred that trend incremented by successively meets below equation to the sidewall thickness of the ceramic layer from top to bottom：

D=kH+d₀

Wherein, D be thickness of the ceramic layer in corresponding height, unit mm；

H be ceramic layer height, unit mm；

K is constant, the choosing value in the range of 0.01 to 0.1；

d₀Highly it is being thickness at 0 for ceramic layer, unit mm.

Preferably, thickness d of the ceramic layer at height is 0₀For 3-8mm, the bottom thickness D of the ceramic layer₂For 3- 8mm。

Preferably, the metal layer is single layer structure or multilayered structure.

Preferably, the metal layer includes at least one layer of magnetic layer.

It is highly preferred that the magnetic layer is iron layer or ferrous alloy layer.

It is highly preferred that the metal layer further includes the aluminium layer being formed on the outer surface of the magnetic layer.

The utility model second aspect provides a kind of cooking apparatus, and the cooking apparatus is included on provided by the utility model State pot in ceramic inserts metal.

Preferably, the cooking apparatus is electric cooker or electric pressure cooking saucepan.

In ceramic inserts metal described in the utility model in pot, the heat conductive elastomeric layer between ceramic layer and metal layer The heat transfer that metal layer can be generated in time allows entire ceramic layer thermally equivalent to ceramic layer, can so allow food It is more tasty, while alleviate extruding of the metal layer high-temperature expansion to ceramic layer, avoid the rupture of ceramic layer；Moreover, because pottery Ceramic material brittleness is bigger, the security risk when the ceramic layer with the presence of dark crackle is in pressure state, in pot outer wrapping gold Belong to layer, ensured the security of product well, while assigned ceramic pan certain impact resistant drop performance.

Moreover, the heating position of coil panel is concentrated mainly on bottom, the thinner heat conduction of ceramic layer in the process of electromagnetic heating Effect is better, can promptly heat food, while the thicker heat preservation heat accumulation effect of ceramic layer is better, thus the side by making ceramic layer Wall thickness is more than bottom thickness, can preferably keep the temperature and heat accumulation, extends the fresh keeping time of food.

Description of the drawings

Fig. 1 is the structure diagram of pot in ceramic inserts metal described in the utility model.

Fig. 2 is the layer structure arrangement schematic diagram in pot in ceramic inserts metal described in the utility model.

Fig. 3 is the structure diagram of ceramic layer in pot in ceramic inserts metal described in the utility model.

Reference sign

1 ceramic layer, 2 heat conductive elastomeric layer

3 metal layers

Specific embodiment

The endpoint of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or Value should be understood to comprising the value close to these scopes or value.For numberical range, between the endpoint value of each scope, respectively It between the endpoint value of a scope and individual point value and can be individually combined with each other between point value and obtain one or more New numberical range, these numberical ranges should be considered as specific open herein.

In the utility model in the case where not making explanation on the contrary, the noun of locality such as " upper and lower " used typically refers to join It examines shown in the drawings upper and lower；" inside and outside " refers to the inside and outside of the profile compared with each component in itself.

As illustrated in fig. 1 and 2, pot includes the ceramic layer 1 as internal layer, makees in ceramic inserts metal described in the utility model Heat conductive elastomeric layer 2 for the metal layer 3 of outer layer and between ceramic layer 1 and metal layer 3.

In the utility model, as shown in figure 3, the sidewall thickness D of the ceramic layer 1₁More than bottom thickness D₂。

In the preferred case, the sidewall thickness of the ceramic layer 1 be more than between bottom and side wall transition junction (namely R curved surfaces) thickness.

In a preferred embodiment, the sidewall thickness of the ceramic layer 1 is incremented by successively from top to bottom.It is highly preferred that Trend incremented by successively meets below equation to the sidewall thickness of the ceramic layer 1 from top to bottom：

D=kH+d₀

Wherein, D is thickness of the ceramic layer 1 in corresponding height, the value of unit mm, D 3mm to 10mm scope it It is interior, preferably within the scope of 3mm to 10mm；

H be ceramic layer (1) height, unit mm；

K is constant, the choosing value in the range of 0.01 to 0.1, the choosing value preferably in the range of 0.02 to 0.08, more preferably The choosing value in the range of 0.03 to 0.07, the choosing value further preferably in the range of 0.04 to 0.06；

d₀Highly it is being thickness at 0 for ceramic layer 1, unit mm." highly for 0 at " refers to the side wall and R of ceramic layer 1 The position of curved surface junction.

According to above-mentioned preferred embodiment, pot can obtain preferably heat preservation and heat accumulation in the ceramic inserts metal Energy.

It is further preferred that thickness d of the ceramic layer (1) at height is 0₀For 3-8mm, more preferably 4-5mm；Institute State the bottom thickness D of ceramic layer (1)₂For 3-8mm, more preferably 4-5mm.

In the utility model, the metal layer 3 can be single layer structure, or multilayered structure.In preferable case Under, the metal layer 3 is multilayered structure.

A kind of preferred embodiment according to the present utility model, the metal layer 3 include at least one layer of magnetic layer.It is excellent at this It selects in embodiment, the magnetic layer can assign the function of pot electromagnetic heating in the ceramic inserts metal.

In the utility model, the magnetic layer can be formed by the permeability magnetic material of this field routine, such as can be by iron Metal, nickel metal, ferrous alloy and other permeability alloys materials are formed.The ferrous alloy for example can be Fe-C alloys, At least one of Fe-Ni alloy/C, Fe-Al alloy, Fe-Si alloys and Fe-Mn alloys are preferably Fe-C alloys, specific real Such as 304 stainless steels, 430 stainless steels.In a preferred embodiment, the magnetic layer (is formed for iron layer by ferrous metal Magnetic layer) or ferrous alloy layer (magnetic layer formed by ferrous alloy).

Metal layer 3 in the ceramic inserts metal in pot can be one layer of magnetic layer or magnetic layer and other The multilayered structure that metal layer is combined with each other.Under preferable case, the metal layer 3 in the ceramic inserts metal in pot is to include leading The multilayered structure of magnetosphere and other metal layers.Other described metal layers can be led by aluminium, zinc, copper, stainless steel, metal alloy etc. are non- Magnetic material is formed.Since aluminium has excellent resistance to corrosion, and in Surface Creation layer oxide film, guarantor is played well Shield acts on, while aluminum metal price is relatively relatively inexpensive, and therefore, in a preferred embodiment, the metal layer 3 includes magnetic layer The outside of the magnetic layer is wrapped in the aluminium layer namely aluminium layer being formed on the outer surface of the magnetic layer.

In the utility model, the heat conductive elastomeric layer 2 can be by the thermostable heat-conductive elastic material shape of this field routine Into.In a preferred embodiment, the thermostable heat-conductive elastic material is containing silica gel and/or elastomeric polymer and leads The composition of hot filler, silica gel and/or elastomeric polymer can assign excellent elasticity and machinability, and the heat filling can To assign excellent thermal conductivity and temperature tolerance.In the preferred case, the thermostable heat-conductive elastic material is containing silica gel and leads The composition of hot filler.The elastomeric polymer for example can be in ethylene propylene diene rubber (EPDM), silicon rubber and fluorine silicon resin At least one.The heat filling for example can be metal oxide Al₂O₃, MgO, BeO, ZnO, etc. powders or nitrogen Compound Si₃N₄, the metal-powders such as powders or silver, aluminium, copper, gold, iron, nickel, stainless steel, metal alloy such as AlN.Described In composition containing organic high molecular polymer and heat filling, it polymerize compared with the organic polymer of 100 parts by weight Object, the content of the heat filling is 30-70 parts by weight, is preferably 40-60 parts by weight.In another preferred embodiment, The thermostable heat-conductive elastic material is graphite.Since graphite has good heat conductivility, thermal conductivity factor reaches as high as 1900W/m²K, and fusing point is up to 3850 DEG C, heatproof is high, and resistant to chemical etching, plasticity is good, can be well the heat of metal layer Amount passes to ceramic layer, and can alleviate extruding of the metal material thermal expansion to ceramic material well.

In the utility model, the ceramic layer 1 can be by the material shape for being used to prepare ceramic pot of this field routine Into.In one embodiment, the ceramic pot as ceramic layer 1 can be prepared in accordance with the following methods：By 70-90 weight The alumina powder, the kaolin of 3-20 parts by weight, the talcum powder of 0.5-5 parts by weight and water of part mix and grind to be starched Material；By the slurry carry out aging 1-30 it is small when, be then granulated, obtain the pellet that granularity D50 is 80-150 μm；By gained pellet It carries out dry-pressing formed, and is sintered obtained green compact are molded at 1400-1700 DEG C, so as to which ceramic pot be made.

In a kind of specific embodiment, as shown in Figs. 1-3, pot includes ceramic layer 1, heat conduction in the ceramic inserts metal Elastic layer 2 and metal layer 3, the ceramic layer 1 are internal layer, and the metal layer 3 is outer layer, and heat conductive elastomeric layer 2 is located at 1 He of ceramic layer Between metal layer 3；The metal layer 3 is multilayered structure, iron layer including one layer as magnetic layer be formed in iron layer outer surface On aluminium layer；Wherein, the sidewall thickness D of ceramic layer 1₁More than bottom thickness D₂And the thickness of R curved surfaces.Preferably institute In the ceramic inserts metal stated in pot, the presence of the iron layer as magnetic layer assigns pot electromagnetism in the ceramic inserts metal and adds The function of heat；Heat conductive elastomeric layer 2 between ceramic layer 1 and metal layer 3 can in time the heat transfer that metal layer 3 generates to Ceramic layer 1, allows entire 1 thermally equivalent of ceramic layer, while can alleviate extruding of 3 high-temperature expansion of metal layer to ceramic layer 1, avoids The rupture of ceramic layer 1；In pot outer wrapping metal layer 3, the security of product has been ensured well, while it is certain to assign ceramic pan Impact resistant drop performance；In addition, the sidewall thickness D by making ceramic layer 1₁More than bottom thickness D₂And the thickness of R curved surfaces, Pot in the ceramic inserts metal can be made to obtain preferably heat preservation and thermal storage performance.

The utility model additionally provides a kind of cooking apparatus, and the cooking apparatus includes ceramics provided by the utility model and inlays Pot in engaged column.Preferably, the cooking apparatus is electric cooker or electric pressure cooking saucepan, and pot is as electric meal in the ceramic inserts metal Stew the interior pot with electric pressure cooking saucepan.

The preferred embodiment of the utility model described in detail above, still, the utility model is not limited to this.At this In the range of the technology design of utility model, a variety of simple variants can be carried out to the technical solution of the utility model, including each Technical characteristic is combined with any other suitable method, these simple variants and combination should equally be considered as the utility model Disclosure of that belongs to the scope of protection of the utility model.

Claims (10)

1. pot in a kind of ceramic inserts metal, which is characterized in that pot includes the ceramic layer as internal layer in the ceramic inserts metal (1), the heat conductive elastomeric layer (2) as the metal layer (3) of outer layer and between ceramic layer (1) and metal layer (3), wherein, The sidewall thickness of the ceramic layer (1) is more than bottom thickness.

2. pot in ceramic inserts metal according to claim 1, which is characterized in that the sidewall thickness of the ceramic layer (1) More than the thickness of the transition junction between bottom and side wall.

3. pot in ceramic inserts metal according to claim 1 or 2, which is characterized in that the side thickness of the ceramic layer (1) Degree is incremented by successively from top to bottom.

4. pot in ceramic inserts metal according to claim 3, which is characterized in that the sidewall thickness of the ceramic layer (1) Trend incremented by successively meets below equation from top to bottom：

D=kH+d₀

Wherein, D be thickness of the ceramic layer (1) in corresponding height, unit mm；

H be ceramic layer (1) height, unit mm；

K is constant, the choosing value in the range of 0.01 to 0.1；

d₀In height it is thickness at 0 for ceramic layer (1), unit mm.

5. pot in ceramic inserts metal according to claim 3, which is characterized in that the ceramic layer (1) is at height is 0 Thickness d₀For 3-8mm, the bottom thickness D of the ceramic layer (1)₂For 3-8mm.

6. pot in ceramic inserts metal according to claim 1 or 2, which is characterized in that the metal layer (3) is individual layer knot Structure or multilayered structure.

7. pot in ceramic inserts metal according to claim 1 or 2, which is characterized in that the metal layer (3) is included at least One layer of magnetic layer.

8. pot in ceramic inserts metal according to claim 7, which is characterized in that the magnetic layer closes for iron layer or iron-based Layer gold.

9. pot in ceramic inserts metal according to claim 7, which is characterized in that the metal layer (3) further includes to be formed Aluminium layer on the outer surface of the magnetic layer.

10. a kind of cooking apparatus, which is characterized in that the cooking apparatus includes the pottery described in any one in claim 1-9 Pot in porcelain embedded with metal.