CN86203399U

CN86203399U - Electric ceramic pot and ceramic body with automatic warm keeping feature

Info

Publication number: CN86203399U
Application number: CN 86203399
Authority: CN
Inventors: 吴忠
Original assignee: Individual
Current assignee: Individual
Priority date: 1986-05-26
Filing date: 1986-05-26
Publication date: 1987-05-27

Abstract

The utility model relates to an electric ceramic pot and ceramic body with an automatic warm keeping feature and the ceramic material of the pot body. The upper surface of the bottom surface of the pot body is plane, and the lower surface forms an internally convex shape; the thickness of the middle region of the bottom surface is less than 1.5 millimetres or equals to 1.5 millimetres; the thickness gradually increases outward from the middle region, and the thickness of the wall gradually increases upward from the base. The utility model also relates to a compensating plate which is matched with the ceramic inner pot body. The ceramic pot has smooth surface and is atoxic and harmless to human bodies, and the food cooked by the utility model can keep natural scent.

Description

Electric ceramic pot and ceramic body with automatic warm keeping feature

The utility model relates to ceramic automatic heat-preservation-type rice cooker, the ceramic material of pot body of electric cooker and pot body.

Common automatic heat-preservation-type rice cooker is mainly by outer boiler body (electric cooker shell), interior pot body (pot core), and electric hot plate and automatic temperature regulator are assembled, and its outer boiler body and interior pot body are all made with metal material.Interior pot body is made by metals such as aluminium or stainless steels usually, cooks food with it, because some metal ingredient pollutes, health is had harmful effect, and this problem is just causing the worried of people and paying close attention to.

The purpose of this utility model provides a kind of ceramic automatic heat-preservation-type rice cooker, the new ceramics of electric cooker pot body, the ceramic material of pot body, and with of the present utility model in the compensating plate that is used of pot body.

The upper surface of pot body bottom surface is the plane in the pottery of the present utility model, and lower surface is interior convex, the thinner thickness of bottom surface central region, and the outside thickness of central region is cumulative thus, and wall thickness increases gradually from bottom to up.As shown in Figure 1, the radius of a ball R of the lower surface of its bottom surface is 650 millimeters, and in the middle part radius was about 25 millimeters zone, wall thickness was less than or equal to 1.5 millimeters, and 1.2～1.5 millimeters better, and central region is outside thus, and wall thickness is increased to 3～5 millimeters gradually.From bottom to up, its wall thickness is increased to 5.5～7 millimeters by about 3～5 millimeters.Middle part, interior pot body bottom surface is thinner, thereby good thermal conduction, is convenient to electric cooker and regulates temperature automatically.In case of necessity, can assemble suitable compensating plate of the present utility model, as shown in Figure 2 the contacting between the top of the automatic temperature regulator in interior pot body lower surface and room, electric hot plate center, make electric cooker in intensification and insulating process, can control pot temperature accurately and effectively.Compensating plate can be hat, be stamped to form by sheet metal such as aluminium flake or aluminum alloy sheet, its thickness can be about 0.03 millimeter to 0.4 millimeter, selects about 0.1 millimeter usually for use, 0.2 millimeter or 0.3 millimeter, its area is slightly larger than the upper surface on the contact top of automatic temperature regulator.

Ceramic raw material of the present utility model comprises: flower mud, eastern mud, yellow mud, western mud, white clay, stone carclazyte, iron carclazyte, fine sand, grog, black substance slurry, brown slurry and yellow slurry.The feedstock composition of earthenware pot of the present utility model comprise following feedstock composition I and (or) compositions II, the content of each component is all represented with weight percentage.The composition I consist of white clay 60～80% and fine sand 20～40%; That preferentially selects for use consists of white clay about 70% and fine sand about 30%.Compositions II consist of colored mud 48～52%, eastern mud 28～32%, white clay 13～17% and yellow mud 3～7%; Preferentially select for use to consist of colored mud about 50%, eastern mud is about 30%, white clay about 15% and yellow mud about 5%.When composition I and compositions II used jointly, the composition I body bottom that is used to stew accounted for 1/3 of pot height degree; The compositions II body top that is used to stew accounts for 2/3 of pot height degree.The feedstock composition of porcelain of the present utility model pot body comprises stone carclazyte (or iron carclazyte) 60～80% and fine sand 20～40%, and that preferentially selects for use consists of stone carclazyte (or iron carclazyte) about 70% and fine sand about 30%.

Flower mud is the high temperature resistant colloid earth of Greater, Guangxi province Qiezhou a kind of betel nut disc flower look.East mud is a kind of coloring agent matter earth of spending in vain of east, Guangxi province Qinzhou City, is purplish red behind about 1100 ℃ of high temperature sinterings.Yellow mud is the common yellow earth that extensively distributes in China, as Greater, Guangxi province Qiezhou yellow mud.West mud is a kind of purplish red clay in western part, Guangxi province Qinzhou City.White clay comprises the red light soil in Guangxi province Chi Guang county, the Lingshan soil of Lingshan County, and the crow man soil in black local, the white clay on ground such as the extra large tail mud in Hai Wei township and Nanning is a kind of fire-resistant white colloid earth material, sintering character is good, is white in color behind about 1150～1200 ℃ of sintering.The stone carclazyte is a kind of white china clay of the red Jiang Xiang of Guangxi province.The iron carclazyte is a kind of white china clay of Guangxi province Beihai.Fine sand is the sand of a kind of screening commonly used in the conventional ceramic industry.Grog is a kind of common commercially available fire clay raw material.Various slurries are the slurries that prevent seepage that are used for general earthenware inside.

The moulding process of ceramic pot body of the present utility model comprises batch mixing, grinds, and divides hydraulic pressure bar (preparation mud bar), scrapes type (one-step method or two step method), and die mould is coated with slurry, sintering, operations such as the demoulding.One-step method is meant and adopts a kind of feedstock composition (a kind of mud bar) that when scraping type two step method is meant and successively adopts two kinds of feedstock compositions (two kinds of mud bars) respectively when scraping type.

Pot body can be used for commercially available common metal type automatic heat-preservation-type rice cooker in the pottery of the present utility model, as the body of stewing in the metal of replacing commercially available electric cooker with it, can cooperate the compensating plate of selecting for use the utility model to provide.Use when stewing body in ceramic automatic heat-preservation-type rice cooker of the present utility model or the pottery, as be placed with in stewing and use when stewing body in the aluminum with rice and the water measured, though it is slightly long that the water in the ceramic pot body is heated to the required times of 100 ℃ of required time ratio aluminium pots, it is identical that meal is boiled the used time.Because the temperature retention time of pot body can be kept 30～40 minutes in the new ceramics of the present utility model, and the temperature retention time of general aluminium pot is 15～20 minutes, so the insulation power consumption of ceramic pot body is saved about half than the insulation power consumption of aluminium pot.

Ceramic pot body any surface finish of the present utility model, high temperature-resistant acid-resistant alkalescence is good, does not have the harmful effect of harmful metallic element to human body, and nontoxic to human body, the food of hotting plate is not perishable, burns ripe food and can keep its natural fragrance.

Description of drawings

Interior pot body schematic diagram of Fig. 1 electric cooker

The interior pot body of Fig. 2 electric cooker and the mated condition schematic diagram of compensating plate

1. interior pot body

2. compensating plate

Following example can further specify the utility model, but the scope of asking for protection of the present utility model is not limited to listed example (percentage is weight percentage in the example).

Example 1

After the potter's clay raw material of white clay about 70% and fine sand about 30% and water temperature closed, put into ball mill, ground about 12 hours, with air compressor compound is pressed in the fine and closely woven cloth bag again, make mud-water separation under pressure, and pug is pressed into mud bar (mud bar I), 3.2 kilograms of this mud treaties are put into pot mould bottom, the radius of a ball R of convex bottom surface is about 650 millimeters in pot mould, scrape type with the type cutter of smearing then, making the upper surface of pot prefabricated component bottom surface is the plane, and lower surface is interior convex, in the middle part radius is about 25 millimeters zone, wall thickness is about 1.3 millimeters, central region is outside thus, and wall thickness is increased to about 5 millimeters gradually, and its limit wall thickness is increased to about 7 millimeters by about 5 millimeters.The body prefabricated component of will stewing when half-dried takes out, and is placed on the gypsum R base plate that radius of a ball R is about 650 millimeters, puts a pressing plate die mould in pot body prefabricated component, after drying pressing plate is taken out.After fine finishining and applying the black substance slurry, pot body prefabricated component is placed on the refractory material R base plate of the same radius of a ball, together put into kiln then, sintering is 24 hours under 1100 ℃ of high temperature, removes the R base plate after the taking-up, makes earthenware pot thus.Through hotting plate test, water is done and is not split, and as interior pot body of automatic pot temperature formula electric cooker, serviceability is good.

Example 2

It is standby that method makes mud bar I as described in Example 1.Adopt the method for example 1, will spend mud about 50%, eastern mud is about 30%, and the potter's clay raw material of white clay about 15% and yellow mud about 5% mixes with water, and through grinding, it is standby to be pressed into mud bar II behind minute water that pressurizes.

Mud bar I is put into pot mould bottom for about 1 kilogram, scrape type with the type cutter of smearing then, making the bottom surface is that example 1 described going up equalled spill down, but it is high by 1/3 that it highly is about pot, and then with mud bar II about 1.2 kilograms put into pot mould, scrape type with the type cutter of smearing again, can make pot body prefabricated component of example 1 described shape, all the other operations are as described in the example 1.Pot body in making, serviceability is good.

Comparative Examples

Adopt the common emerging pottery feedstock composition in the prior art: eastern mud is about 50%, and western mud is about 40%, grog about 10%.Technical process and operating procedure are as described in the example 1.Pot body breaks during sintering.

Claims

1, a kind of automatic heat-preservation-type rice cooker, this electric cooker mainly is assembled by outer boiler body, interior pot body, electric hot plate and automatic temperature regulator, be characterised in that, in pot body and (or) outer boiler body made by new ceramics, upper surface of pot body bottom surface is the plane in it, lower surface is interior convex, the thinner thickness of bottom surface central region, the outside thickness of central region is cumulative thus, and from bottom to up, wall thickness increases gradually.

2, the described automatic heat-preservation-type rice cooker of claim 1 is characterised in that, middle part, pot body bottom surface radius is about in 25 millimeters the zone in it, and wall thickness is less than or equal to 1.5 millimeters.

3, the described automatic heat-preservation-type rice cooker of claim 2 is characterised in that, middle part, pot body bottom surface radius is about that wall thickness is about 1.2～1.5 millimeters in 25 millimeters the zone in it.

4, the described automatic heat-preservation-type rice cooker of claim 3, be characterised in that, radius of a ball R of the interior convex lower surface of the bottom surface of pot body is 650 millimeters in it, bottom surface middle part radius is about in 25 millimeters the zone, wall thickness is about 1.2～1.5 millimeters, central region is outside thus, and wall thickness increases to 5.5～7 millimeters gradually.

5, the described automatic heat-preservation-type rice cooker of arbitrary claim in the claim 1 to 4 is characterised in that, the feedstock composition of its earthenware pot comprise following feedstock composition I and (or) feedstock composition II (weight percentage):

Composition I white clay 60～80% and fine sand 20～40%,

Compositions II flower mud 48～52%, eastern mud 28～32%, white clay 13～17% and yellow mud 3～7%.

6, the described automatic heat-preservation-type rice cooker of claim 5 is characterised in that, the feedstock composition of its earthenware pot comprise following feedstock composition I and (or) feedstock composition II (weight percentage):

Composition I white clay about 70% and fine sand are about 30%,

Compositions II flower mud is about 50%, and eastern mud is about 30%, white clay about 15% and yellow mud about 5%.

7, the described automatic heat-preservation-type rice cooker of claim 6 is characterised in that, the feedstock composition of its earthenware pot comprises composition I and compositions II, and the composition I body bottom that is used to stew accounts for 1/3 of pot height degree, compositions II be used to the to stew remainder of body.

8, the described automatic pot temperature of arbitrary claim formula electric cooker in the claim 1 to 4 is characterised in that, the raw material of its porcelain pot body comprises stone carclazyte (or iron carclazyte) 60～80% and fine sand 20～40%(weight percentage).

9, the described automatic heat-preservation-type rice cooker of arbitrary claim in the claim 1 to 4, be characterised in that, lower surface middle part in pottery at the bottom of pot body contacts between the top with automatic temperature regulator, the configuration compensating plate, and the thickness of this compensating plate is about 0.03～0.4 millimeter.

10, the described automatic heat-preservation-type rice cooker of claim 9 is characterised in that, compensating plate is aluminium flake or aluminum alloy sheet, and its thickness is about 0.1 millimeter, 0.2 millimeter or 0.3 millimeter.