CN101152056A - Inner pot of electric pressure pot - Google Patents
Inner pot of electric pressure pot Download PDFInfo
- Publication number
- CN101152056A CN101152056A CNA2007100070894A CN200710007089A CN101152056A CN 101152056 A CN101152056 A CN 101152056A CN A2007100070894 A CNA2007100070894 A CN A2007100070894A CN 200710007089 A CN200710007089 A CN 200710007089A CN 101152056 A CN101152056 A CN 101152056A
- Authority
- CN
- China
- Prior art keywords
- pot
- electric pressure
- outside
- interior pot
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S220/00—Receptacles
- Y10S220/912—Cookware, i.e. pots and pans
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The present invention relates to an inner cooker of Electric pressure cooker which is characterized in that the inner cooker comprises an inner part with container shape and made of non-metal material with the upper end provided with a hanging part composed of protrusion of groove; an outer part which is made of metal material and formed on the part outside the inner surface of the inner part to hang with the hanging part; and a magnet body part formed by magnet body and smelting-ejected on the outer surface of the outer part.
Description
Technical field
The present invention relates to the interior pot of pot of electric pressure, in more detail, the present invention relates to the interior pot of following pot of electric pressure, it can improve because the different material of the inside and outside use of interior pot constitutes and produces slit or tomography because of different thermal coefficient of expansions.
Background technology
Fig. 1 is the figure of an example that the interior pot cross section of existing pot of electric pressure is shown, and interior pot comprises: the inside 10 of container shapes, and it contains stone material, carbon material, beautiful material; Outside 20, the outside that it forms inner 10 is made of aluminium casting; And magnetic body 30, its carry out for internal pot that electricity is led heating and meltallizing in outside 20 outer surface.In addition, expose aerial outside 20 face and comprise the painting part 40 that is used for anti-oxidation.
In addition, interior pot for existing pot of electric pressure, in order to prevent to constitute outside 20 aluminaization, externally after 20 the casting process, carry out anodized (anodizing), to form oxide-film, but there are the following problems: during anodized, constitute inner 10 stone material or carbon material absorption oxygen, emit when cooking, this is quite harmful to human body; In addition, if carried out anodized before magnetic body 30 meltallizings, then the zygosity of the magnetic body 30 of outside 20 that is formed by aluminium and meltallizing descends, as if behind meltallizing, carrying out anodized, and the problem that then exists the magnetic body 30 behind the meltallizing to peel off.Because these reasons substitute anodized, externally 20 form painting part 40, in case oxidation.
Fig. 2 and Fig. 3 are the figure of an example of partial cross section that the interior pot of existing pot of electric pressure is shown, because the boundary face that is difficult to inner 10 and outside 20 forms painting part 40 exactly, can only partly be coated in inner 10.Under this situation, there are the following problems: as shown in Figure 2, when cooking or when forming painting part 40, the high temperature heating is arranged, then, between inner 10 and outside 20, produce slit (G), perhaps as shown in Figure 3 because of forming outside 20 material and forming inner 10 material coefficient of thermal expansion coefficient difference, produce tomography (S), the phenomenon that painting part 40 breakages takes place or peel off.And, peel off as if painting part 40 breakages or from outside 20, then outside 20 be exposed in the air, corrode.
Summary of the invention
The present invention is for addressing the above problem, and provides a kind of inside and outside coefficient of thermal expansion differences that can improve because of interior pot to cause producing between inside and outside the interior pot of the pot of electric pressure of slit or tomography.
And, the objective of the invention is to, provide a kind of and can improve because of causing being formed at that outside and inner coating breaks away from or the interior pot of the pot of electric pressure peeled off producing slit or tomography between interior pot inside and outside.
In addition, the objective of the invention is to, provide a kind of in the interior pot of the firm pot of electric pressure of inside and outside combination of pot.
In addition, the objective of the invention is to, the interior pot of the pot of electric pressure that the outside of pot in a kind of can the improvement corrodes because of oxidation is provided.
In order to achieve the above object, the invention provides a kind of interior pot of pot of electric pressure, it is characterized in that, the interior pot of described pot of electric pressure comprises: the inside of container shapes, and it is formed by nonmetallic materials, and the upper end has the card extension portion that is made of projection or groove; The outside, it is formed by metal material, and is formed at the part beyond the inner inner surface, so that block extension with card extension portion; And the magnetic body, it is formed by magnetic, meltallizing outer surface externally.By this structure, the inside and outside joint of pot in can strengthening, the inside and outside material coefficient of thermal expansion coefficient difference of improving because of pot in forming produces slit (gap) or tomography (step) between inside and outside.
And the interior pot of pot of electric pressure of the present invention is characterized in that, the interior pot of described pot of electric pressure comprises that also painting part, this painting part are coated on outside exposing on the face.
In addition, the interior pot of pot of electric pressure of the present invention is characterized in that, the described card extension portion's section of forming difference or slope, and possess one of them at least.
In addition, the interior pot of pot of electric pressure of the present invention is characterized in that, described inside is formed by in stone material, carbon material and the beautiful material any.
And the interior pot of pot of electric pressure of the present invention is characterized in that the outside is cast and formed by aluminium.
And the interior pot of pot of electric pressure of the present invention is characterized in that painting part is formed by polytetrafluoroethylene (PTFE) (teflon).
In addition, the invention provides a kind of manufacture method of interior pot of pot of electric pressure, it is characterized in that described manufacture method comprises the steps: first step, and nonmetallic materials are processed, be formed on the inside that the upper end is formed with the container shapes of projection or groove; Second step, metal material is gone up in casting to the other parts beyond the inner surface of inside, the outside that formation and projection or groove card are hung; And third step, outer surface meltallizing magnetic externally.By this structure, the inside and outside material coefficient of thermal expansion coefficient difference that can improve because of pot in forming produces slit (gap) or tomography (step) between inside and outside.
And the manufacture method of the interior pot of pot of electric pressure of the present invention is characterized in that, after third step, also has the 4th step, in described the 4th step, for preventing the metal material oxidation face that exposes of outside is applied.By such structure, can not can meltallizing magnetic be externally exerted an influence and applies interior pot.
And the manufacture method of the interior pot of pot of electric pressure of the present invention is characterized in that first step comprises: nonmetallic materials are processed, form the step of the inside of container shapes; And the upper end of inside processed, make inner upper end form the step on section difference or slope.
Description of drawings
Fig. 1 is the figure of an example that the interior pot cross section of existing pot of electric pressure is shown.
Fig. 2 is the figure of an example of part that the interior pot cross section of existing pot of electric pressure is shown.
Fig. 3 is the figure of another example of part that the interior pot cross section of existing pot of electric pressure is shown.
Fig. 4 is the figure of an example that the interior pot cross section of pot of electric pressure of the present invention is shown.
Fig. 5 is the figure of an example of part that the interior pot cross section of pot of electric pressure of the present invention is shown.
Fig. 6 is the figure of another example of part that the interior pot cross section of pot of electric pressure of the present invention is shown.
Fig. 7 is the figure of an example of manufacture method that the interior pot of pot of electric pressure of the present invention is shown.
The specific embodiment
Below, with reference to accompanying drawing, describe embodiments of the invention in detail.
The interior pot of pot of electric pressure of the present invention at first, is described.
Fig. 4 is the figure of an example that the interior pot cross section of pot of electric pressure of the present invention is shown, and that the interior pot of pot of electric pressure comprises is inner 100, outside 200, magnetic body 300 and painting part 400.
Inner 100 form container shapes, are formed by nonmetallic materials, and the upper end has the card extension portion 120 that is made of projection or groove.In the present embodiment, in order to improve heat insulating ability and efficiently to cook, nonmetallic materials are formed by in stone material, carbon material and the beautiful material any one, and the card extension portion 120 that is used for combining with outside 200 constitutes that to form section between inner 100 the inboard, upper end and the outside poor.Fig. 5 is the figure of an example of part that the interior pot cross section of pot of electric pressure of the present invention is shown, and card extension portion 120 forms by the upper face center grooving inner 100.Fig. 6 is the figure of another example of part that the interior pot cross section of pot of electric pressure of the present invention is shown, and card extension portion 120 tilts to form by making inner 100 upper surface.
Among Fig. 4, outside 200 are formed by metal material, and it is formed at the part beyond inner 100 the inner surface, so as with card extension portion 120 card extensions.In the present embodiment, metal material is made of aluminium, and the upper end of its covering inside 100 and inner 100 outer surface are so that block extension with card extension portion 120.
By card extension portion 120 and covering card extension portion 120 that is formed at inner 100 upper ends and the outside 200 that is formed at the outside of inside 100, the inside 100 of interior pot and outside 200 combinations securely.Thus, can improve following situation: forms, outside 200 form the coefficient of thermal expansion differences that is produced by nonmetallic materials because of inner 100 by metal material, inner 100 and outside 200 between generation slit or tomography.
Magnetic body 300 is formed by the material of band magnetic, and its meltallizing is 200 outer surface externally.In the present embodiment, magnetic body 300 is formed by stainless steel (Stainless Steel), with the outer surface of stainless steel meltallizing to outside 200.Thus, utilize the electric current that is applied to pot of electric pressure, electricity is carried out in inside lead heating.
Painting part 400 applies and forms by the face that exposes to outside 200.In the present embodiment, painting part 400 is formed by polytetrafluoroethylene (PTFE), and it is formed at the face that exposes that exposes aerial outside 200 inner surface and outer surface.Therefore, can prevent to cook or when being incubated, pot was inner 100 in rice etc. pasted, and prevented that the outside 200 that is formed by aluminium in the present embodiment from corroding.
The manufacture method of the interior pot of pot of electric pressure of the present invention then, is described.
Fig. 7 is the figure of an example that the interior pot manufacture method of pot of electric pressure of the present invention is shown, and the manufacture method of the interior pot of pot of electric pressure comprises first step (S1, S2), second step (S3), third step (S4) and the 4th step (S5).
(S1) is as follows for first step: nonmetallic materials are processed, be shaped to the inside 100 of container shapes, the upper end of this inside 100 is formed with projection or groove.In the present embodiment, any one nonmetallic materials in stone material, carbon material or the beautiful material are processed, be shaped to container shapes (S1).At this moment, the upper end of the inside 100 that is shaped to container shapes is processed, forming projection or groove, but in the present embodiment, the processing of inner 100 upper ends is, the upper surface grooving inner 100, make inboard around and produce section poor (S2) between the outer periphery.At this moment, the processing of inner 100 upper ends also can be in inner 100 upper surface in the central portion grooving, poor to form section.As other example of inner 100 upper ends processing, the processing of inner 100 upper ends can be adopted the mode of the upper surface inclination that makes inside 100.
(S2) is as follows for second step: metal material in the casting of the other parts beyond inner 100 the inner surface, the outside 200 that formation and projection or groove card are hung.In the present embodiment, metal material uses aluminium, utilizes aluminium that the other parts beyond inner 100 the inner surface are cast, and makes to cooperate with the projection or the groove that are formed at inner 100.
Groove by being formed at inner 100 upper ends and cover this groove and be formed at outside 200, the inside 100 of interior pot and outside 200 combinations securely in inner 100 outsides.Thus, can improve following situation: forms, outside 200 form the coefficient of thermal expansion differences that is produced by nonmetallic materials because of inner 100 by metal material, inner 100 and outside 200 between generation slit or tomography.
(S4) is as follows for third step: 200 outer surface meltallizing magnetic externally forms magnetic body 300.In the present embodiment, magnetic body 300 is formed by stainless steel, with the outer surface of stainless steel meltallizing to outside 200.Thus, outside 200 outer surface is led by electricity, and interior pot is heated to high temperature.
(S5) is as follows for the 4th step: 200 expose on the face and to form painting part 400 externally, and to prevent to form outside 200 metal material oxidation.In the present embodiment, in order to prevent to form outside 200 aluminaization, prevent that foreign matter from adhering to, and for outward appearance is beautiful, the part beyond inner 100 the inner surface is applied, form painting part 400, painting part 400 is formed by polytetrafluoroethylene (PTFE).
By said structure, the present invention has following effect: the inside that can improve because of interior pot is provided And the coefficient of thermal expansion differences of outside and produce the pot of electric pressure of slit or tomography between inside and outside Interior pot.
And the present invention has following effect: provide can improve because of interior pot inside and outside it Between produce slit or tomography and make and be formed at that outside and inner coating breaks away from or the pot of electric pressure peeled off Interior pot.
In addition, the present invention has following effect: provide the inside and outside combination of interior pot firmly The interior pot of pot of electric pressure.
In addition, the present invention has following effect: corrode because of oxidation the outside that can improve interior pot The interior pot of pot of electric pressure.
Claims (4)
1. the interior pot of a pot of electric pressure is characterized in that, the interior pot of described pot of electric pressure comprises:
The inside of container shapes, it is formed by nonmetallic materials, and the upper end has the card extension portion that is made of projection or groove;
The outside, it is formed by metal material, and is formed at the part beyond the inner inner surface, so that block extension with card extension portion; And
The magnetic body, it is formed by magnetic, meltallizing outer surface externally.
2. the interior pot of pot of electric pressure according to claim 1 is characterized in that, the interior pot of described pot of electric pressure comprises that also painting part, this painting part are coated on outside exposing on the face.
3. the interior pot of pot of electric pressure according to claim 1 and 2 is characterized in that, the card extension portion section of forming difference or slope, and the interior pot of pot of electric pressure possesses one of them at least.
4. the interior pot of pot of electric pressure according to claim 2 is characterized in that painting part is formed by polytetrafluoroethylene (PTFE).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060094109A KR100838470B1 (en) | 2006-09-27 | 2006-09-27 | Inner pot for a electrical high pressure rice pot |
| KR1020060094109 | 2006-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101152056A true CN101152056A (en) | 2008-04-02 |
| CN100482143C CN100482143C (en) | 2009-04-29 |
Family
ID=39254103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100070894A Expired - Fee Related CN100482143C (en) | 2006-09-27 | 2007-02-08 | Inner pot of electric pressure pot |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2008080097A (en) |
| KR (1) | KR100838470B1 (en) |
| CN (1) | CN100482143C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101241352B1 (en) | 2011-08-31 | 2013-03-11 | 주식회사 리홈 | Inner pot having double fringe |
| JP6045402B2 (en) * | 2013-03-06 | 2016-12-14 | 三菱電機株式会社 | rice cooker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040086900A (en) * | 2003-03-22 | 2004-10-13 | 엘지전자 주식회사 | an inner container of an electric rice cooker and the same manufacturing method |
| KR200333003Y1 (en) * | 2003-08-12 | 2003-11-12 | 배병화 | Inner Kettle for the Electronic Pressure Cooker |
-
2006
- 2006-09-27 KR KR1020060094109A patent/KR100838470B1/en active IP Right Grant
-
2007
- 2007-02-07 JP JP2007028420A patent/JP2008080097A/en not_active Withdrawn
- 2007-02-08 CN CNB2007100070894A patent/CN100482143C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100482143C (en) | 2009-04-29 |
| KR20080028609A (en) | 2008-04-01 |
| KR100838470B1 (en) | 2008-06-16 |
| JP2008080097A (en) | 2008-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20100208 |