CN207461956U - Pot and cooking apparatus in ceramic inserts metal - Google Patents
Pot and cooking apparatus in ceramic inserts metal Download PDFInfo
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- CN207461956U CN207461956U CN201720639864.7U CN201720639864U CN207461956U CN 207461956 U CN207461956 U CN 207461956U CN 201720639864 U CN201720639864 U CN 201720639864U CN 207461956 U CN207461956 U CN 207461956U
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Abstract
The utility model is related to household appliance technical fields, and in particular to 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-conducting layer (2) between ceramic layer (1) and metal layer (3) in the ceramic inserts metal, wherein, it is formed with antistick layer (4) on the inner surface of the ceramic layer (1).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, and effect is not glued with preferable.
Description
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 people’s lives level, 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
More crisp easily to fall rupture, there are security risks when applied to pressure cooker；Also, ceramic material would generally have some carboxyls
Wait hydrophilic radicals so that the contact angle of ceramic surface and water is generally less than 90 °, shows hydrophily, and ceramic pan is caused to cook
Viscous pot phenomenon is susceptible to when preparing food.
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, be easily broken, safety is poor and the defects of not viscous effect is poor at high temperature under high pressure, provide one kind
Pot and cooking apparatus in 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
Layer, wherein, it is formed with antistick layer on the inner surface of the ceramic layer.
Preferably, the water contact angle on the antistick layer surface is more than 90 °, more preferably 100 ° to 120 °.
Preferably, the antistick layer is polytetrafluoroethylene ethylene layer.
Preferably, the antistick layer is glaze layer.
Preferably, the antistick layer is polytetrafluoroethylene (PTFE) metal composite oxide layer；
It is highly preferred that in the material for forming polytetrafluoroethylene (PTFE) metal composite oxide layer, polytetrafluoroethylene (PTFE) and metal oxygen
The weight ratio of compound is 1：1-5.
Preferably, the heat-conducting layer is heat conductive elastomeric layer；
It is highly preferred that the heat conductive elastomeric layer is by the composition containing silica gel and/or elastomeric polymer and heat filling
It is formed, the elastomeric polymer is selected from least one of ethylene propylene diene rubber, silicon rubber and fluorine silicon resin, the heat filling
For metal-oxide powder.
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.
Preferably, 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 includes pottery described in the utility model
Pot in porcelain embedded with metal.
Preferably, the cooking apparatus is electric cooker or electric pressure cooking saucepan.
In ceramic inserts metal described in the utility model in pot, heat-conducting layer between ceramic layer and metal layer can be with
The heat transfer that metal layer is generated in time allows entire ceramic layer thermally equivalent to ceramic layer, can allow food fresher in this way
It is U.S. tasty；Moreover, because ceramic material brittleness is bigger, the safety wind when the ceramic layer with the presence of dark crackle is in pressure state
Danger, in pot outer wrapping metal layer, has ensured the safety of product, while assign the certain impact resistant of ceramic pan and fall well
Performance.
In addition, by forming antistick layer on the inner surface of ceramic layer, can the never viscous effect of solution it is poor the problem of.
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 Structural assignments schematic diagram in pot in ceramic inserts metal described in the utility model.
Reference sign
1 ceramic layer, 2 heat-conducting layer
3 metal layer, 4 antistick layer
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood to comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It between the endpoint value of a range 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 to illustrate 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 relative to each component in itself.
As illustrated in fig. 1 and 2, pot includes the ceramic layer 1 as internal layer, the metal as outer layer in the ceramic inserts metal
Layer 3 and the heat-conducting layer 2 between ceramic layer 1 and metal layer 3.
In the ceramic inserts metal in pot, antistick layer 4 is formed on the inner surface of the ceramic layer 1.It is described not glue
Layer 4 surface on water contact angle be more than 90 °, specifically, for example, can be 95 °, 100 °, 105 °, 110 °, 115 °, 120 °,
125 °, 130 °, 135 °, 140 °, 145 °, 150 °, 155 ° etc..In the preferred case, the water contact angle on 4 surface of antistick layer
It is 100 ° to 120 °.
In the utility model, the antistick layer 4 can be formed by the conventional material for being used to form antistick layer in this field,
As long as so that cookware has preferable not viscous effect in the ceramic inserts metal.
A kind of embodiment according to the present utility model, the antistick layer 4 for polytetrafluoroethylene ethylene layer namely antistick layer 4 by
Polytetrafluoroethylene (PTFE) is formed.The polytetrafluoroethylene ethylene layer can be formed, such as can pass through spraying according to the method for this field routine
Method formed.
Another embodiment according to the present utility model, the antistick layer 4 are glaze layer.The glaze layer can be by making pottery
Then the ceramic coated glaze of inner surface of enamel coating 1 carries out high temperature sintering so as to be formed.The glaze layer any surface finish, at the same it is fine and close
Degree is high, and case hardness is high, and wearability is good.The ceramic glaze can be the ceramic glaze of this field routine, for example, the ceramics
Glaze can the quartz containing 8-12 weight %, the feldspar of 15-30 weight %, the clay of 30-50 weight %, 10-20 weight %
Kaolin, the borax of 5-10 weight %, the aluminium oxide of 5-10 weight % and 1-5 weight % magnesia.
Another embodiment according to the present utility model, the antistick layer 4 are polytetrafluoroethylene (PTFE) metal composite oxide
Layer namely antistick layer 4 are formed by the compound of polytetrafluoroethylene (PTFE) and metal oxide.The polytetrafluoroethylene (PTFE) composition metal oxidation
Nitride layer can be formed by spraying the compound of polytetrafluoroethylene (PTFE) and metal oxide in the inner surface of ceramic layer 1.It is described poly-
On the one hand tetrafluoroethene metal composite oxide layer has the good non-stick nature that polytetrafluoroethylene (PTFE) provides, another aspect metal
The presence of oxide can assign polytetrafluoroethylene (PTFE) metal composite oxide layer good case hardness so that the polytetrafluoroethylene (PTFE)
Metal composite oxide layer not only has good non-stick nature, but also has preferable wearability, and service life is longer.
In the utility model, formed polytetrafluoroethylene (PTFE) metal composite oxide layer material in, polytetrafluoroethylene (PTFE) with
The weight ratio of metal oxide can be 1：1-5, preferably 1：1-3.The metal oxide for example can be titanium oxide, oxidation
Aluminium, magnesia, zinc oxide.
A kind of preferred embodiment according to the present utility model, the heat-conducting layer 2 are heat conductive elastomeric layer namely the heat conduction
Layer 2 is formed by heat conductive elastomeric material.Since the expansion coefficient difference of ceramic material and metal material is very big, the expansion of metal material
Coefficient is much larger than ceramic material, and ceramic layer is easily squeezed and ruptures in Thermal Cycling, by by ceramic layer and metal
Heat-conducting layer between layer is set as heat conductive elastomeric layer, the heat transfer that not only metal layer can be generated in time to ceramic layer,
It can further alleviate extruding of the metal layer high-temperature expansion to ceramic layer simultaneously, avoid the rupture of ceramic layer.
It is further preferred that the material for forming the heat conductive elastomeric layer is thermostable heat-conductive elastic material.A kind of specific
In embodiment, the thermostable heat-conductive elastic material is the combination containing silica gel and/or elastomeric polymer and heat filling
Object, silica gel and/or elastomeric polymer can assign excellent elasticity and machinability, and the heat filling can assign excellent
Thermal conductivity and temperature tolerance.In the preferred case, the thermostable heat-conductive elastic material is the combination containing silica gel and heat filling
Object.The elastomeric polymer for example can be at least one of ethylene propylene diene rubber (EPDM), silicon rubber and fluorine silicon resin.Institute
It for example can be metal oxide Al to state heat filling2O3, powders or the nitride Si such as MgO, BeO, ZnO3N4、AlN
Wait the metal-powders such as powders or silver, aluminium, copper, gold, iron, nickel, stainless steel, metal alloy.Contain organic high score described
In the composition of sub- polymer and heat filling, relative to the organic high molecular polymer of 100 parts by weight, the heat conduction is filled out
The content of material is 30-70 parts by weight, preferably 40-60 parts by weight.In another embodiment specific implementation mode, the heat conductive elastomeric layer
2 be 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, high temperature resistant is resistant to chemical etching, have plasticity, can well metal layer generate heat transfer to ceramic layer, and
And metal layer thermal expansion can be alleviated well and squeezed caused by ceramic layer.
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, such as can be by iron by the permeability magnetic material of this field routine
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, preferably Fe-C alloys, it is 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 ceramic layer 1 can be by the material shape for being used to prepare ceramic pot of this field routine
Into.In one embodiment, it can be prepared in accordance with the following methods as the ceramic pot of ceramic layer 1：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；The slurry is carried out aging 1-30 hours, is then granulated, obtains 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.
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 utility model will be described in detail by embodiment below.
Embodiment 1
The alumina powder of 75 parts by weight, the kaolin of 20 parts by weight, the talcum powder of 5 parts by weight and water are mixed, grinding
10 hours, it was 3.8 microns to be milled to grain size, obtained the slurry that water content is 30 weight %.By aging 10 hours of the slurry, then
Gained slurry is granulated, obtains the pellet that granularity D50 is 80 microns, the progress of gained pellet is dry-pressing formed, and will molding
Obtained green compact are sintered at 1400 DEG C, obtain aluminium oxide ceramics pot.10 parts by weight polytetrafluoroethylene (PTFE) will be contained, and (number is equal
Molecular weight is 10000) and the compound of 20 parts by weight of alumina is sprayed on the inner surface of aluminium oxide ceramics pot to be formed not
Adhesion coating, so as to obtain the aluminium oxide ceramics pot A1 with antistick layer.
Embodiment 2
Method according to embodiment prepares aluminium oxide ceramics pot, and then containing 10 parts by weight polytetrafluoroethylene (PTFE), (number is equal
Molecular weight is 10000) and the compound of 30 parts by weight of alumina is sprayed on the inner surface of aluminium oxide ceramics pot to be formed not
Adhesion coating, so as to obtain the aluminium oxide ceramics pot A2 with antistick layer.
Embodiment 3
Method according to embodiment prepares aluminium oxide ceramics pot, and then containing 10 parts by weight polytetrafluoroethylene (PTFE), (number is equal
Molecular weight is 10000) and the compound of 10 parts by weight of alumina is sprayed on the inner surface of aluminium oxide ceramics pot to be formed not
Adhesion coating, so as to obtain the aluminium oxide ceramics pot A3 with antistick layer.
Embodiment 4
Aluminium oxide ceramics pot with antistick layer is prepared according to the method for embodiment 1, the difference is that in spraying process
Material used is only polytetrafluoroethylene (PTFE), and does not contain aluminium oxide, so as to obtain the aluminium oxide ceramics pot A4 with antistick layer.
Embodiment 5
Method according to embodiment 1 prepares aluminium oxide ceramics pot, then by the quartz containing 8 parts by weight, 20 parts by weight
Feldspar, the clay of 40 parts by weight, the kaolin of 10 parts by weight, the borax of 7 parts by weight, the aluminium oxide of 10 parts by weight, 5 parts by weight
The ceramic glaze of magnesia be sprayed on the inner surface of aluminium oxide ceramics pot, be then sintered 4 hours at 1270 DEG C, so as to
Obtain the aluminium oxide ceramics pot A5 with antistick layer.
Comparative example 1
Method according to embodiment 1 prepares aluminium oxide ceramics pot, and without the subsequent process for forming antistick layer, obtains
To aluminium oxide ceramics pot D1.
Test case
(1) non-stick nature is detected
Method according to GB/T2421-1998 detects pot in the ceramic inserts metal prepared in above-described embodiment and comparative example
Non-stick, specific test process is as follows：Inner surface of pot body is gently wiped with the soft cloth for speckling with vegetable oil, is cleaned with warm water plus detergent
It is cleaned afterwards with clear water and wipes dry, then sample heated, measured with land surface pyrometer, inner surface of pot body temperature is at 150 DEG C, by one
It is put into pot after Fresh Egg broken shell, is not added with vegetable edible oil or other fat oils, treats that albumen solidifies substantially, with nonmetallic shovel nothing
Egg is taken out in damage, then wipes inner surface of pot body with soft cloth, and be carried out continuously three times.If inner surface of pot body can wipe
Only, then it is qualification, shows that non-stick is preferable；If inner surface of pot body is unable to wiped clean, unqualified, show that non-stick is poor
Or without non-stick.Test result is as follows shown in table 1 for pot in the ceramic inserts metal prepared in above-described embodiment and comparative example.
(2) test surfaces hardness
According to test pencil to coat side angle at 45 °, dynamics is subject to pencil and does not fracture (about 20N power is advisable), in table
It is pushed in level, to experimenter front with uniform pushing speed about 1cm/s, scrapes cut and be about 1cm, five are scratched in level
Road after the tip of pencil often scratches together, polish and detect each aluminium oxide ceramics pot with antistick layer with method again again
The hardness of antistick layer on body.It the results are shown in Table 1.
(3) scratch resistance is tested
With the washings that liquid detergent compound concentration is 5 weight %, 3M (7447C) scouring pad, heavy burden 2.5kgf swings
One way is 1 time, every 250 replacements scouring pad, checks whether coating comes off or whether expose base material (to expose after scraping every time
>=10 lines are termination test), and record abrasion resistance.It the results are shown in Table 1.
Table 1
| Non-stick | Antistick layer case hardness (HV) | Tablet abrasion resistance (secondary) | |
| Embodiment 1 | It is qualified | 4 | 4000 |
| Embodiment 2 | It is qualified | 5 | 6000 |
| Embodiment 3 | It is qualified | 3 | 3000 |
| Embodiment 4 | It is qualified | 2 | 2000 |
| Embodiment 5 | It is qualified | 6 | 7000 |
| Comparative example 1 | It is unqualified | - | - |
The cookware in ceramic inserts metal described in the utility model it can be seen from the data of above-described embodiment and comparative example
There is preferable not viscous effect；Moreover, when antistick layer is glaze layer or polytetrafluoroethylene (PTFE) metal composite oxide layer, antistick layer has
Higher case hardness, wearability are preferable.
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-conducting layer (2) as the metal layer of outer layer (3) and between ceramic layer (1) and metal layer (3), wherein, it is described
Antistick layer (4) is formed on the inner surface of ceramic layer (1).
2. pot in ceramic inserts metal according to claim 1, which is characterized in that the water on antistick layer (4) surface
Contact angle is more than 90 °, preferably 100 ° to 120 °.
3. pot in ceramic inserts metal according to claim 1 or 2, which is characterized in that the antistick layer (4) is polytetrafluoro
Pvdf layer.
4. pot in ceramic inserts metal according to claim 1 or 2, which is characterized in that the antistick layer (4) is glaze layer.
5. pot in ceramic inserts metal according to claim 1 or 2, which is characterized in that the antistick layer (4) is polytetrafluoro
Ethylene metal composite oxide layer.
6. pot in ceramic inserts metal according to claim 1 or 2, which is characterized in that the heat-conducting layer (2) is heat conduction bullet
Property layer.
7. 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.
8. pot in ceramic inserts metal according to claim 1 or 2, which is characterized in that the metal layer (3) is including at least
One layer of magnetic layer.
9. pot in ceramic inserts metal according to claim 8, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720639864.7U CN207461956U (en) | 2017-06-01 | 2017-06-01 | Pot and cooking apparatus in ceramic inserts metal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720639864.7U CN207461956U (en) | 2017-06-01 | 2017-06-01 | Pot and cooking apparatus in ceramic inserts metal |
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| Publication Number | Publication Date |
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| CN207461956U true CN207461956U (en) | 2018-06-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968700A (en) * | 2017-06-01 | 2018-12-11 | 佛山市顺德区美的电热电器制造有限公司 | Pot and cooking apparatus in ceramic inserts metal |
-
2017
- 2017-06-01 CN CN201720639864.7U patent/CN207461956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968700A (en) * | 2017-06-01 | 2018-12-11 | 佛山市顺德区美的电热电器制造有限公司 | Pot and cooking apparatus in ceramic inserts metal |
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