CN1387813A - Thermos pot and its producing method - Google Patents
Thermos pot and its producing method Download PDFInfo
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- CN1387813A CN1387813A CN02103201A CN02103201A CN1387813A CN 1387813 A CN1387813 A CN 1387813A CN 02103201 A CN02103201 A CN 02103201A CN 02103201 A CN02103201 A CN 02103201A CN 1387813 A CN1387813 A CN 1387813A
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- mentioned
- heat
- pot
- storing material
- protuberance
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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
- A47J27/12—Multiple-unit cooking vessels
- A47J27/13—Tier cooking-vessels
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Cookers (AREA)
- Thermally Insulated Containers For Foods (AREA)
Abstract
To provide a blazer capable of easily increasing the efficiency of heat transmission to food in an inner pot and easily connecting the inner pot to an outer pot in the state of inserting a thermal storage medium between the inner pot and the outer pot. A projection part 12b is formed on the bottom surface of the outer pot 12, and the inner pot 11 and the outer pot 12 are joined to each other in the state of housing the heat storage material 13 in the projection part 12b.
Description
Technical field
The present invention relates to a kind of fireless cooker and manufacture method thereof, particularly behind the food heating cooking, just need not heat the fireless cooker and the manufacture method thereof that can continue insulation again to food.
Background technology
So far, proposed behind the food heating cooking, just need not heat the fireless cooker that can continue insulation again to food.
One of them scheme as shown in Figure 6, by the real fireless cooker of opening clear 59-133133 number record of Japanese patent gazette.Fig. 6 is the exploded perspective view (Fig. 6 (A)) and the skiagraph (Fig. 6 (B)) of this fireless cooker.
As shown in Figure 6, this fireless cooker is by the interior pot 1 that the round-ended cylinder shape is arranged with flange part 1a and have the outer pot 2 of round-ended cylinder shape to constitute, and interior pot 1 is configured in the inboard of outer pot 2.The upper end 2a of flange part 1a and outer pot 2 engages with welding and other method to form, and pot 1 and outer pot 2 are bonded together in making thus.
In the peripheral sides of interior pot 1 and outer pot 2, enclose and formed space 3 between the side, between the bottom surface of the bottom surface of interior pot 1 and outer pot 2, formed space 3a.
If adopt fireless cooker shown in Figure 6, owing to be closed in space 3 and the 3a, thereby can utilize this to add hot-air the food of pot 1 inside in being contained in is incubated by the warmed-up air of thermal source.
Fig. 7 is the embodiment as another kind of fireless cooker, is the fireless cooker sectional drawing of being opened flat 9-206201 number record by the Japanese patent gazette spy.
This fireless cooker is made of interior pot 6, outer pot 7 and heat-storing material 9.
In pot 6 top be opening, and form on the bottom surface from below see the recess 6a that is concavity.In pot 6 form by a metallic plate.What outer pot 7 was made the top opening has a round-ended cylinder shape.In pot 6 and outer pot 7 heat-storing material 9 is housed under the state in pot 6 the recess 6a, by both sides' upper end joint, be bonded with each other and be in the same place.Because the external diameter that the internal diameter of outer pot 7 is set for than interior pot 6 is big, thereby under the state of interior pot 6 and outer pot 7 joints, between interior pot 6 and outer pot 7, form the space 8 of ring-type.
Because interior pot 6 is with a forming sheet metal, thereby the recess 6a of interior pot 6 bottom surface can be processed to form by deep-draw.
Between the bottom of the inner peripheral surface of outer pot 7 and the heat-storing material 9 and all be to be welded between heat-storing material 9 and the recess 6a by solder.And the upper end of interior pot 6 is through after the bending machining, is welded on the upper end of outer pot 7 by solder.
Summary of the invention
But, in fireless cooker shown in Figure 6, owing between the bottom of interior pot 1 bottom and outer pot 2, formed space 3a, thereby the heat of being supplied with by thermal source is with the bottom heating of outer pot 2, these heats make the air of 3a inside, space become high temperature, then, by the bottom of the warmed-up air of this high temperature with pot 1 in the heat transferred; At last, with food in the interior pot 1 and moisture heating.Promptly, owing between the bottom of the bottom of interior pot 1 and outer pot 2, form space 3a, thereby the food in the pot 1 in just being difficult to be directly passed to by the heat that thermal source is supplied with.
Therefore, owing to be suppressed lowlyer to the heating-up temperature of food, the coefficient of heat conduction when also just having to make heating reduces.
Like this, fireless cooker shown in Figure 6 just has such problem, promptly, not only needs the long heating cooking time, and is difficult to directly heat with the food of the internal pot of high temperature 1 inside.
In fireless cooker shown in Figure 7, moisture can enter in the folded part 6b through the interior pot 6 of deep-draw processing, in other words, because food dreg is filled in easily, extremely difficultly clean folded part 6b, thereby fireless cooker shown in Figure 7 has problem aspect health.
Because interior pot 6 is the inside that integral body is inserted in outer pot 7, thereby the welding of (being the top of recess 6a) bottom of interior pot 6 and outer pot 7 bottom surfaces is carried out with regard to difficulty extremely, therefore, in pot 6 and 7 of outer pots be engaged in upper end separately, but only with this part welding, the bond strength of interior pot 6 and outer pot 7 is just not really abundant.
The present invention makes for the problem that solves above-mentioned prior art existence.Its objective is provides a kind of fireless cooker and manufacture method thereof, and this fireless cooker can improve the heat conduction efficiency of the food in the internal pot, and heat-storing material is clipped under the state between pot and the outer pot, can easily make in pot and outer pot be bonded with each other.
In order to achieve the above object, the present invention provides a kind of fireless cooker in technical scheme 1, it has interior pot, be arranged on above-mentioned in the pot outside outer pot and be arranged on above-mentioned in heat-storing material between pot and the above-mentioned outer pot; Pot is made of the cylindric pot that the end is arranged with first internal diameter and first degree of depth in above-mentioned; Above-mentioned outer pot is by the outer pot body, outstanding protuberance constitutes towards the below from the bottom of above-mentioned outer pot body; The upper end of the upper end of above-mentioned outer pot body and above-mentioned interior pot is bonded with each other; Above-mentioned outer pot body has than also big second internal diameter of above-mentioned first internal diameter and second degree of depth also darker than above-mentioned first degree of depth; Above-mentioned protuberance has three internal diameter and first height also littler than above-mentioned second internal diameter; Above-mentioned heat-storing material is made has discoideus with the 3rd internal diameter equal outer diameters; Above-mentioned heat-storing material is under the state in being accommodated in above-mentioned protuberance, be configured to be sandwiched in above-mentioned between the bottom surface of pot and the above-mentioned protuberance.
If adopt the described fireless cooker of the technical program, then pass to interior pot through outer pot and heat-storing material from the heat of thermal source, internally the food in the pot heats.Because will from a part of heat savings of thermal source in heat-storing material, utilize the heat of this part savings, to once being incubated through warmed-up food.
Like this, then different if adopt the described fireless cooker of the technical program with fireless cooker in the past shown in Figure 6, because the food in the pot in will almost being directly passed to from the heat of thermal source, thereby can improve heat transference efficiency.
In the described fireless cooker of the technical program, because heat-storing material is contained in the protuberance of outer pot, thereby can easily position and can be stably with its maintenance to heat-storing material.
If adopt the described fireless cooker of the technical program, since can with heat-storing material with outer pot is combined after the outer peripheral face bottom of interior pot engages with interior pot, thereby different with the fireless cooker before shown in Figure 7, it is bonded with each other interior pot and outer pot with sufficient joint strength.
For example, as technical scheme 2 described fireless cookers, the external diameter of above-mentioned the 3rd internal diameter and above-mentioned heat-storing material can be set at also littler than above-mentioned first internal diameter.
Perhaps, as technical scheme 3 described fireless cookers, the external diameter of above-mentioned the 3rd internal diameter and above-mentioned heat-storing material can be set at above-mentioned first internal diameter and equate.
As technical scheme 4 described fireless cookers, also can have bond layer, so that above-mentioned heat-storing material is bonded on the bottom surface and above-mentioned protuberance of above-mentioned interior pot.
Like this, owing to be provided with bond layer, thereby can be heat-storing material is navigated on the face of the bottom of a pan, and it is engaged with interior pot infalliblely.And, can improve the bond strength between heat-storing material and interior pot and the protuberance.
As technical scheme 5 described fireless cookers, be on above-mentioned protuberance, to form protuberance, on the bottom surface of above-mentioned heat-storing material, form recess with the raised part tabling.
Because protuberance and recess combination when heat-storing material being configured in protuberance inside, can easily being located the relative protuberance of heat-storing material, and can improve the confining force of heat-storing material with respect to protuberance.
As technical scheme 6 described fireless cookers, also can have the member of the dual end and second heat-storing material, the former is the bottom surface that is covered with above-mentioned outer pot, engages with the outer rim of above-mentioned outer pot body; The latter sandwiches between member of the above-mentioned dual end and above-mentioned protuberance bottom surface.
Like this, owing to can increase the amount of stored heat of this fireless cooker by second heat-storing material is set, so can improve the insulating efficiency of fireless cooker.
Because second heat-storing material keeps by member of the dual end, and this member of dual end is the parts that separate with interior pot and outer pot, thereby can easily second heat-storing material be appended on the above-mentioned fireless cooker.
As technical scheme 7 described fireless cookers, be formation protuberance on member of the above-mentioned dual end, on the bottom surface of above-mentioned second heat-storing material, form recess with the raised part tabling.
Because protuberance and recess combination, thereby can easily member of the dual relatively end of second heat-storing material be located, and can improve the confining force of second heat-storing material with respect to member of the dual end.
As technical scheme 8 described fireless cookers, also can have second adhesive linkage, so that above-mentioned second heat-storing material is bonded on the bottom surface of above-mentioned two-fold end member and above-mentioned protuberance.
Like this, by second adhesive linkage is set, second heat-storing material can be navigated on the bottom surface of outer peripheral face of protuberance and it is engaged with member of the dual end infalliblely.And, can improve the engaging force between second heat-storing material and member of the dual end and the protuberance.
As above-mentioned bond layer and above-mentioned second bond layer, as described in technical scheme 9, can choose the composition of one or two or more kinds from following object, these materials are aluminium, aluminium alloy, tetrafluoride aluminium potassium or their coccoid, silver, copper, beryllium oxide, steel, soft solder, aluminium oxide, polyimides, polybenzimidazoles, silicon, sex change silicon, epoxy resin, phenolic resins, novolaks, acid anhydrides, nitrile, the N-methyl pyrrolidone, quartz glass, vycol, soda-lime glass, barium titanate, ferrite, carbon element copper, ジ ェ ラ Le ミ Application, brass and their derivative.
The present invention provides a kind of manufacture method of fireless cooker in technical scheme 10, be used for manufacturing technology scheme 4 described fireless cookers, has following operation: by above-mentioned bond layer with above-mentioned heat-storing material be bonded in above-mentioned in the pot the periphery bottom surface on first operation; Pot in above-mentioned is put into the inside of above-mentioned outer pot, above-mentioned heat-storing material is bonded in second operation on the inside of above-mentioned protuberance by above-mentioned bond layer; The 3rd operation that the upper end of pot in above-mentioned is engaged with the upper end of above-mentioned outer pot.
The present invention provides a kind of manufacture method of fireless cooker in technical scheme 11, be used for manufacturing technology scheme 8 described fireless cookers, has following operation: by above-mentioned bond layer with above-mentioned heat-storing material be bonded in above-mentioned in the pot the periphery bottom surface on first operation; Pot in above-mentioned is put into the inside of above-mentioned outer pot, above-mentioned heat-storing material is bonded in second operation on the inside of above-mentioned protuberance by above-mentioned bond layer; The 3rd operation that the upper end of pot in above-mentioned is engaged with the upper end of above-mentioned outer pot; Above-mentioned second heat-storing material is bonded in the 4th operation on the bottom surface of above-mentioned protuberance by above-mentioned second bond layer; By above-mentioned second adhesive linkage member of the above-mentioned dual end is bonded in the 5th operation on above-mentioned second heat-storing material.
As described in technical scheme 12, in above-mentioned first and second operations, preferably apply 0.5 * 10
3Kg/cm
2～1.0 * 10
3Kg/cm
2The pressure of scope makes above-mentioned heat-storing material bonding.
Making by bond layer under the mutually bonding occasion of heat-storing material and interior pot and protuberance, if pressure is acted on the bond layer, then can increase bonding force, and can shorten the time of bond layer curing.In order to determine the suitable pressure limit that acts on the bond layer, the inventor has carried out all experiments, and the result proves 0.5 * 10
3Kg/cm
2～1.0 * 10
3Kg/cm
2Pressure limit be suitable scope.
As described in technical scheme 13, in the above-mentioned the 4th and the 5th operation, preferably apply 0.5 * 10
3Kg/cm
2～1.0 * 10
3Kg/cm
2The pressure of scope makes above-mentioned second heat-storing material bonding.
Making by second bond layer under the mutually bonding occasion of second heat-storing material and outer pot and member of the dual end, if pressure is acted on second bond layer, then can increase bonding force, and can shorten the time that second bond layer solidifies.In order to determine the suitable pressure limit that acts on second bond layer, the inventor has carried out all experiments, and the result proves 0.5 * 10
3Kg/cm
2～1.0 * 10
3Kg/cm
2Pressure limit be suitable scope.
As described in technical scheme 14, in above-mentioned first and second operations, be preferably in 400 degree～500 Celsius and spend under the temperature of scopes, make above-mentioned heat-storing material bonding.
Making by bond layer under the mutually bonding occasion of heat-storing material and interior pot and protuberance,, then can shorten the time of bond layer curing if bond layer is heated.For the suitable temperature scope of determining bond layer is heated, the inventor has carried out all experiments, and the result proves that the temperature range of 400 degree～500 degree Celsius is suitable.
As described in technical scheme 15, in the above-mentioned the 4th and the 5th operation, be preferably in 400 degree～500 Celsius and spend under the temperature of scopes, make above-mentioned second heat-storing material bonding.
Making by second bond layer under the mutually bonding occasion of second heat-storing material and outer pot and member of the dual end,, then can shorten the time that second bond layer solidifies if second bond layer is heated.In order to determine the suitable temperature scope to heating at second bond layer, the inventor has carried out all experiments, and the result proves that the temperature range of 400 degree～500 degree Celsius is suitable.
As mentioned above, if adopt fireless cooker of the present invention, owing to pass to interior pot from the heat of thermal source behind outer pot and heat-storing material, internally the food in the pot heats; To put aside in heat-storing material from the part in the heat of thermal source, thereby can heated food be incubated by the heat of this savings.Like this, if adopt fireless cooker of the present invention, since different with the fireless cooker before shown in Figure 6, be the food in the pot in the heat from thermal source is almost directly passed to, thereby can improve heat transference efficiency.
In fireless cooker of the present invention, because heat-storing material is housed in the protuberance of outer pot, thereby can easily position heat-storing material, and can stably keep.
If adopt fireless cooker of the present invention, because outer pot is engaged with interior pot, thereby different with the fireless cooker before shown in Figure 7, pot is bonded with each other with outer pot in making with sufficient joint strength.
Owing to be provided with the member of the dual end and second heat-storing material, the heat of fireless cooker savings of the present invention increased, thereby can improve the insulating efficiency of fireless cooker.
Because second heat-storing material keeps by member of the dual end, and this member of dual end is the parts that separate with interior pot and outer pot, thereby for the fireless cooker that has only 1 heat-storing material, can easily add this second heat-storing material.
Because at the protuberance of outer pot or on member of the dual end, protuberance is set respectively, with these protuberances accordingly, recess is set respectively at heat-storing material or on second heat-storing material, thereby can be easily carry out location, and can be easily carry out fixing with respect to protuberance or member of the dual end to heat-storing material or to second heat-storing material with respect to protuberance or member of the dual end to heat-storing material or to second heat-storing material.
Description of drawings
Fig. 1 is the skiagraph of the fireless cooker of first embodiment of the invention.
Fig. 2 is the partial enlarged drawing of the fireless cooker bottom of first embodiment of the invention.
Fig. 3 is the skiagraph of the fireless cooker of second embodiment of the invention.
Fig. 4 is the partial enlarged drawing of the fireless cooker bottom of second embodiment of the invention.
Fig. 5 is the exploded oblique view of the fireless cooker of third embodiment of the invention.
Fig. 6 is the exploded perspective view (Fig. 6 (A)) and the skiagraph (Fig. 6 (B)) of former fireless cooker.
Fig. 7 is the skiagraph of another fireless cooker in the past.
The specific embodiment
Fig. 1 is the skiagraph of the fireless cooker of first embodiment of the invention.In addition, unless stated otherwise, in the described below embodiment wall thickness of material is not considered.
Pot 11 in the fireless cooker 10 of present embodiment has; In the outside of interior pot 11, with the outer pot 12 of interior pot 11 concentric arrangement; Heat-storing material 13 in being configured between pot 11 and the outer pot 12; At diametric two ends of outer pot 12, be installed in a pair of handle 14 on the outer pot 12.
Interior pot 11 and outer pot 12 all are to make with the bigger material of the coefficients of heat conduction such as stainless steel, and same heat-storing material 13 also is to be made by the bigger material of the coefficients of heat conduction such as aluminium alloy.And no matter handle 14 is to be made by coefficient of heat conduction materials with smaller such as synthetic resin.
In pot 11 constitute by the round-ended cylinder shape pot that has with the first internal diameter R1 and first depth D 1.
Outer pot 12 constitutes by outer pot body 12a with from the outstanding downwards protuberance 12b in the bottom of outer pot body 12a.
Outer pot body 12a has than the first internal diameter R
1The second also big internal diameter R2 and than first depth D 1 also dark second depth D 2.
And protuberance 12b has three internal diameter R3 and first height H 1 also littler than the 1 one internal diameter R1.
In pot 11 making be to bend to crank-like at its position of upper end below slightly, and its upper end 12c bending laterally.Outer pot body 12a is also 11 the same with interior pot, bend to crank-like at its position of upper end below slightly.Interior pot 11 and outer pot 12 are the 12c inside, upper end that the upper end of outer pot body 12a is inserted into the bending of interior pot 11, are bonded with each other together by welding more as required.
In form the upper end 12c of bending on the pot 11 the border circular areas area to set the area that is occupied than the lid on the crooked position of pot 11 in being placed on (not having expression among the figure) for big approximately 1.5 times.
Heat-storing material 13 is made circular plate shape, and it has and the 3rd internal diameter R3 equal outer diameters and the height H 2 represented with following formula.
H2＝H1+(D2-D1)
Heat-storing material 13 be under the state that is housed in the protuberance 12b, sandwich between the periphery bottom surface and protuberance 12b of interior pot 11.
With welding method heat-storing material 13 is fixed on the interior pot 11.The method of welding can be selected solder, arc welding or the gas welding of being undertaken by solder for use.
In the fireless cooker 10 of present embodiment, the heat of being supplied with by thermal source (among the figure do not have expression) pot 11 through the bottom surface of the protuberance 12b of outer pot 12 and heat-storing material 13 and passing in heats the food in the interior pot 11.Pot is 11 o'clock in heat transferred, is just put aside 13 li of heat-storing materials by the part in the heat of thermal source supply.Utilize the heat of these savings that the food in the interior pot 11 that had heated is incubated.
And the fireless cooker 10 of making according to present embodiment is different with the fireless cooker before shown in Figure 6, the food in the heat of being supplied with by thermal source almost directly passes in the pot 11.Like this, just can improve heat transference efficiency.
In addition, in the fireless cooker 10 of present embodiment,, and can stably be kept because heat-storing material 13 is to be housed in the protuberance 12b of outer pot 12, thereby can easily carry out the location of heat-storing material 13.
Owing to outer pot 12 is engaged with interior pot 11, thereby it is different with the fireless cooker before shown in Figure 7, pot 11 and outer pot 12 are bonded with each other in making with sufficient joint strength.
In the fireless cooker 10 of present embodiment, the external diameter of the 3rd internal diameter R3 and heat-storing material 13 is set for also littler than the 1st internal diameter R1, still, also can set the external diameter of the 3rd internal diameter R3 and heat-storing material 13 with the 1st internal diameter R1 for and equate.
Heat-storing material 13 can be mutually bonding by the inner surface of the bottom surface of bonding agent and interior pot 11 and protuberance 12b.
Fig. 2 is expression by bond layer 16, makes the local amplification profile diagram under the mutually bonding occasion of inner surface of heat-storing material 13 and interior pots 11 bottom surface and protuberance 12b.
As shown in Figure 2,, just can make heat-storing material 13 mutually bonding earlier, then make it mutually bonding with protuberance 12b with interior pot 11 by bond layer 16 is set.Like this, can not only carry out location to heat-storing material 13, and can reliably it be engaged with interior pot 11 with respect to interior pot 11.
Can also improve the engaging force between heat-storing material 13 and interior pot 11 and the protuberance 12b.
Even the bonding agent that forms bond layer 16 is between heat-storing material 13 and the interior pot 11 or spill between heat-storing material 13 and protuberance 12b, owing in the space in bonding agent escapes between pot 11 and the outer pot 12, thereby the quality or the performance of fireless cooker 10 do not had any harmful effect.
The composition of bond layer 16 can be selected the composition of one or two or more kinds from the following stated material; These materials are aluminium, aluminium alloy, tetrafluoride aluminium potassium or their coccoid, silver, copper, beryllium oxide, steel, soft solder, aluminium oxide, polyimides, polybenzimidazoles, silicon, modification silicon, epoxy resin, phenolic resins, novolaks, acid anhydrides, nitrile, N-methyl pyrrolidone, quartz glass, vycol, soda-lime glass, barium titanate, ferrite, carbon element copper, ジ ェ ラ Le ミ Application, brass and their derivative.
Below, the manufacture method of the fireless cooker 10 of present embodiment is described.
The peristome of pot 11 makes bottom-up down in making earlier.
Then, the adhesive applicating of Al alloy powder is on the outer peripheral face of interior pot 11 bottoms, bonding with one heart with interior pot 11 with discoideus heat-storing material 13.
At this moment, bonding plane is cleaned, the organic matter residue is removed fully with plasma isoreactivity gas.This is that bonding plane can produce the cause in many spaces (bubble) because if insufficient clean.In advance that bonding plane is fully clean similarly in the following description.The inner surface of interior pot 11 is protected, makes its not subject to damage.
Then, the adhesive applicating of Al alloy powder on the inner peripheral surface of outer pot 12 bottoms, is embedded in the interior pot 11 of bonding heat-storing material 13 among the outer pot 12.At this moment insert at leisure, heat-storing material 13 be embedded in the protuberance 12b of outer pot 12 bottoms, and make the upper end of outer pot 12 be inserted in the upper end 12c of bending of pot 11.
After confirming that heat-storing material 13 has been embedded in the protuberance 12b, to push from the top to the outer peripheral face of outer pot 12 bottoms, the pressure of pushing can be set in 0.5 * 10
3Kg/cm
2～1.0 * 10
3Kg/cm
2In the scope.This numerical value is the optimum scope that the inventor obtains from experiment.
For example, if the about 20cm of external diameter of outer pot 12 then pushes outer pot 12 with about 200 tons～400 tons weight.
Thus, gas can not enter in the bonding plane of heat-storing material 13 and interior pot 11 bottom surfaces, can not enter in the bonding plane of heat-storing material 13 and outer pot 12 bottom surfaces yet, and not make fireless cooker 10 distortion, can make heat-storing material 13 and interior pot 11 and protuberance 12b all bonding on.
Then, under 400 ℃～500 ℃ high temperature,, it closely is bonded between heat-storing material 13 and the interior pot 11 and between heat-storing material 13 and the protuberance 12b with the bonding agent heating and melting.
After this, with welding outer pot 12 upper ends in the upper end 12c of the bending of pot 11 in being inserted in are engaged.The degree of the complete driving fit in the both sides of pot 11 and outer pot 12 upper end in this welding need not proceed to.The degree that the space 15 of formation can slightly be communicated with ambient atmosphere between pot 11 and the outer pot 12 in preferably being bonded in advance.
Fig. 3 is the skiagraph of the fireless cooker 20 of second embodiment of the invention.
The fireless cooker 20 of present embodiment is on the basis of fireless cooker 10 structures of first embodiment shown in Figure 1, also be provided with member of the dual end 21 and the 2nd heat-storing material 22, the former is the whole bottom surface that is covered with outer pot 12, engages in the outer rim of peripheral region with outer pot body 12a; The latter sandwiches between the bottom surface of member of the dual end 21 and protuberance 12b.
Member of the dual end 21 is truncated conical shape of making the top opening.
In the present embodiment, the structure of fireless cooker 20 and the structure of the fireless cooker 10 of first embodiment shown in Figure 1 compare, have following 2 different.
One, the external diameter R3 of heat-storing material 13 is set for roughly and equate with the internal diameter R1 of interior pot 11.
Two, the depth D 2 of outer pot 12 is set for about equally with the depth D 1 of interior pot 11, and the height H 2 of heat-storing material 13 set for roughly equate with the height H 1 of protuberance 12b.
Except these 2, the fireless cooker 20 of present embodiment has the structure identical with the fireless cooker 10 of first embodiment shown in Figure 1.
If adopt the fireless cooker 20 of present embodiment,, improve insulating efficiency owing on the basis of heat-storing material 13, be provided with second heat-storing material 22 again, thereby can increase the amount of stored heat of fireless cooker 20.
Because second heat-storing material 22 is to keep with member of the dual end 21, and member of the dual end 21 is the parts that separate with interior pot 11 and outer pot 12, thereby for the fireless cooker 10 of first embodiment, this second heat-storing material 22 of affix easily.
Heat-storing material 13 can use identical size dimension with second heat-storing material 22.Like this, identical by they are made size dimension, just can prevent the increase of parts number, and can improve the manufacturing efficient of fireless cooker 20.
Can make second heat-storing material 22 mutually bonding by bonding agent with the bottom surface of member of the dual end 21 and protuberance 12b.
Fig. 4 is expression by bond layer 24, makes the local amplification profile diagram under the mutually bonding occasion in bottom surface of second heat-storing material 22 and member of the dual end 21 and protuberance 12b.
As shown in Figure 4, heat-storing material 13 also is by bond layer 16 and mutually bonding with the periphery bottom surface and the protuberance 12b of interior pot 11.
Like this, the heat-storing material 13 and second heat-storing material 22 is fixing owing to be by bond layer 16,24, thereby can improve heat-storing material 13 and second heat-storing material 22 and the engaging force between the member on every side.
Even the bonding agent that forms bond layer 24 is from spilling between the periphery bottom surface of second heat-storing material 22 and protuberance 12b or between second heat-storing material 22 and member of the dual end 21, bonding agent also only drains in the space between outer pot 12 and the member of the dual end 21, thereby can not influence the quality and the performance of fireless cooker 20.
The composition of bond layer 24 can be got the composition identical with the composition of bond layer 16.
Be an example of the size of present embodiment fireless cooker 20 below.
The internal diameter R1=230mm of interior pot 11
The depth D 1=115mm of interior pot 11
Internal diameter=the 250mm of interior pot 11 peristomes
The internal diameter R2=250mm of outer pot 12
The depth D 2=115mm of outer pot 12
The height H 1=4mm of protuberance 12b
External diameter=230mm of protuberance 12b
The internal diameter R3=229.5mm of heat-storing material 13
The height H 2=4mm of heat-storing material 13
Internal diameter=the 230mm of second heat-storing material 22
Height=the 4mm of second heat-storing material 22
Height=the 20mm of member of the dual end 21
External diameter=the 250mm of member of the dual end 21
External diameter=the 230mm of the bottom of member of the dual end 21
Wall thickness=the 0.5mm of interior pot 11, outer pot 12 and member of the dual end 21
Below, the manufacture method of the fireless cooker 20 of present embodiment is described.
At first make the fireless cooker 10 of first embodiment according to above-mentioned manufacture method.
After this, make the bottom-up of outer pot 12, the adhesive applicating of tetrafluoride aluminium potassium powder is on the outer peripheral face of the protuberance 12b of outer pot 12, mutually bonding with the bottom surface of protuberance 12b with second heat-storing material 22, make it concentric with outer pot 12.At this moment, clean bonding plane, organic residue is removed fully with plasma isoreactivity gas.
On the other hand, with adhesive applicating to the surface of second heat-storing material 22.
After this, member of the dual end 21 is pressed on second heat-storing material 22, makes member of the dual end 22 mutually bonding, and the front end of member of the dual end 21 is welded on the outer rim of outer pot body 12a at once with second heat-storing material 22.
Fig. 5 is the exploded oblique view of the fireless cooker 30 of third embodiment of the invention.The fireless cooker 30 of present embodiment is the variation of the fireless cooker 20 of second embodiment shown in Figure 3.
In the fireless cooker 30 of present embodiment, central authorities form cylindric protuberance 31 in interior all bottom surface of the protuberance 12b of interior pot 11, with this protuberance 31 accordingly, form through hole 32 in the central authorities of heat-storing material 13.Through hole 32 has the external diameter identical with the external diameter of protuberance 31, therefore can protuberance 31 and through hole 32 is chimeric.
Equally, also form cylindric protuberance 33, in interior all bottom surface of member of the dual end 21 central authorities with this protuberance 33 accordingly, form through hole 34 in the central authorities of second heat-storing material 22.Through hole 34 has the external diameter identical with the external diameter of protuberance 33, therefore can protuberance 33 and through hole 34 is chimeric.
Like this, by making protuberance 31 and recess 32 combinations, heat-storing material 13 is being configured under the occasion of protuberance 12b inside, the location that can easily carry out with respect to protuberance 12b just to heat-storing material 13, and can be easily carry out fixing with respect to protuberance 12b to heat-storing material 13.
Equally, by protuberance 33 combination, just can be easily second heat-storing material 22 be carried out location with respect to member of the dual end 21, and can easily carry out fixing with respect to member of the dual end 21 to second heat-storing material 22 with recess 34.
The shape of protuberance 31,33 is not limited in drum, can make polygon-shaped other arbitrary cross-section shapes that waits.
And protuberance 31,33 also needn't necessarily be arranged on the central authorities of protuberance 12b or two-fold end member 21, also can be arranged on the central authorities position in addition.
The manufacture method of the fireless cooker 30 of present embodiment is identical with the fireless cooker 20 of second embodiment.Just added and made the chimeric operation of protuberance 31 and recess 32 and make the chimeric operation of protuberance 33 and recess 34.
Claims (15)
1. fireless cooker, have interior pot, be arranged on above-mentioned in the pot outside outer pot and be arranged on above-mentioned in heat-storing material between pot and the above-mentioned outer pot; It is characterized in that above-mentioned interior pot is made of the cylindric pot that the end is arranged with first internal diameter and first degree of depth; Above-mentioned outer pot is by the outer pot body, outstanding protuberance constitutes towards the below from the bottom of above-mentioned outer pot body; The upper end of the upper end of above-mentioned outer pot body and above-mentioned interior pot is bonded with each other; Above-mentioned outer pot body has than also big second internal diameter of above-mentioned first internal diameter and second degree of depth also darker than above-mentioned first degree of depth; Above-mentioned protuberance has three internal diameter and first height also littler than above-mentioned second internal diameter; Above-mentioned heat-storing material is made has discoideus with above-mentioned the 3 three internal diameter equal outer diameters; Above-mentioned heat-storing material is under the state in being accommodated in above-mentioned protuberance, be configured to be sandwiched in above-mentioned between the bottom surface of pot and the above-mentioned protuberance.
2. fireless cooker as claimed in claim 1 is characterized in that, the external diameter of above-mentioned the 3rd internal diameter and above-mentioned heat-storing material is littler than above-mentioned first internal diameter.
3. fireless cooker as claimed in claim 1 is characterized in that, the external diameter of above-mentioned the 3rd internal diameter and above-mentioned heat-storing material equates with above-mentioned first internal diameter.
4. as each described fireless cooker in the claim 1～3, it is characterized in that also having bond layer, so that above-mentioned heat-storing material is bonded on the bottom surface and above-mentioned protuberance of above-mentioned interior pot.
5. as each described fireless cooker in the claim 1～4, it is characterized in that, on above-mentioned protuberance, form protuberance, on the bottom surface of above-mentioned heat-storing material, form recess with the raised part tabling.
6. as each described fireless cooker in the claim 1～5, it is characterized in that also having the member of the dual end and second heat-storing material, the former is the bottom surface that is covered with above-mentioned outer pot, engages with the outer rim of above-mentioned outer pot body; The latter sandwiches between member of the above-mentioned dual end and above-mentioned protuberance bottom surface.
7. fireless cooker as claimed in claim 6 is characterized in that, formation protuberance on member of the above-mentioned dual end forms the recess with the raised part tabling on the bottom surface of above-mentioned second heat-storing material.
8. as claim 6 or 7 described fireless cookers, it is characterized in that also having second bond layer, so that above-mentioned second heat-storing material is bonded on the bottom surface of member of the above-mentioned dual end and above-mentioned protuberance.
9. as claim 4 or 8 described fireless cookers, it is characterized in that above-mentioned bond layer and above-mentioned second bond layer are by aluminium, aluminium alloy, tetrafluoride aluminium potassium or their coccoid, silver, copper, beryllium oxide, steel, soft solder, aluminium oxide, polyimides, polybenzimidazoles, silicon, sex change silicon, epoxy resin, phenolic resins, novolaks, acid anhydrides, nitrile, the N-methyl pyrrolidone, quartz glass, vycol, soda-lime glass, barium titanate, ferrite, carbon element copper, ジ ェ ラ Le ミ Application, the composition of one or two or more kinds in brass and their derivative constitutes.
10. the manufacture method of a fireless cooker is used to make aforesaid right requirement 4 described fireless cookers, it is characterized in that having following operation: by above-mentioned bond layer with above-mentioned heat-storing material be bonded in above-mentioned in the pot the periphery bottom surface on first operation; Pot in above-mentioned is put into the inside of above-mentioned outer pot, above-mentioned heat-storing material is bonded in second operation on the inside of above-mentioned protuberance by above-mentioned bond layer; The 3rd operation that the upper end of pot in above-mentioned is engaged with the upper end of above-mentioned outer pot.
11. the manufacture method of a fireless cooker is used to make aforesaid right requirement 8 described fireless cookers, it is characterized in that having following operation:: by above-mentioned bond layer with above-mentioned heat-storing material be bonded in above-mentioned in the pot the periphery bottom surface on first operation; Pot in above-mentioned is put into the inside of above-mentioned outer pot, above-mentioned heat-storing material is bonded in second operation on the inside of above-mentioned protuberance by above-mentioned bond layer; The 3rd operation that the upper end of pot in above-mentioned is engaged with the upper end of above-mentioned outer pot; Above-mentioned second heat-storing material is bonded in the 4th operation on the bottom surface of above-mentioned protuberance by above-mentioned second bond layer; By above-mentioned second bond layer member of the above-mentioned dual end is bonded in the 5th operation on above-mentioned second heat-storing material.
12. the manufacture method as claim 10 or 11 described fireless cookers is characterized in that, in above-mentioned first and second operations, applies 0.5 * 10
3Kg/cm
2～1.0 * 10
3Kg/cm
2The pressure of scope makes above-mentioned heat-storing material bonding.
13. the manufacture method of fireless cooker as claimed in claim 11 is characterized in that, in the above-mentioned the 4th and the 5th operation, applies 0.5 * 10
3Kg/cm
2～1.0 * 10
3Kg/cm
2The pressure of scope makes above-mentioned second heat-storing material bonding.
14. the manufacture method as claim 10 or 11 described fireless cookers is characterized in that, in above-mentioned first and second operations, makes above-mentioned heat-storing material bonding under the temperature of 400 degree～500 degree scopes Celsius.
15. the manufacture method of fireless cooker as claimed in claim 11 is characterized in that, in the above-mentioned the 4th and the 5th operation, makes above-mentioned second heat-storing material bonding under the temperature of 400 degree～500 degree scopes Celsius.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001155191A JP4558979B2 (en) | 2001-05-24 | 2001-05-24 | Hot pot |
| JP155191/01 | 2001-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1387813A true CN1387813A (en) | 2003-01-01 |
Family
ID=18999427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02103201A Pending CN1387813A (en) | 2001-05-24 | 2002-01-30 | Thermos pot and its producing method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4558979B2 (en) |
| KR (1) | KR100827341B1 (en) |
| CN (1) | CN1387813A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108652414A (en) * | 2017-03-31 | 2018-10-16 | 佛山市顺德区美的电热电器制造有限公司 | Cookware and cooking apparatus with cookware |
| CN108652454A (en) * | 2017-03-31 | 2018-10-16 | 佛山市顺德区美的电热电器制造有限公司 | Cookware and cooking apparatus with cookware |
| CN108991912A (en) * | 2018-09-29 | 2018-12-14 | 宁波百飞特厨具有限公司 | Slaughterhouse |
| WO2022081027A1 (en) * | 2020-10-14 | 2022-04-21 | Picoaga Boluarte Eduardo Raul | Smokeless portable double grill for gas cooking |
| CN115474828A (en) * | 2022-09-30 | 2022-12-16 | 武汉苏泊尔炊具有限公司 | Magnetic conductive material for cookware, preparation method thereof and cookware comprising magnetic conductive material |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101334557B1 (en) * | 2012-03-13 | 2013-11-28 | 문인철 | Cookware |
| KR101651079B1 (en) | 2016-01-21 | 2016-08-25 | (주)성우금속 | Duplication Pot |
| KR101651078B1 (en) | 2016-01-21 | 2016-08-25 | (주)성우금속 | Duplication Pot |
| KR102136334B1 (en) * | 2019-01-23 | 2020-07-21 | 한상혁 | Cooking utensils with a multi-structure base |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09206201A (en) * | 1996-02-05 | 1997-08-12 | Nippon Sanso Kk | Manufacture of heat storage pan |
| JPH09215587A (en) * | 1996-02-09 | 1997-08-19 | Nippon Sanso Kk | Adiabatic cooking container |
| JPH09215604A (en) * | 1996-02-09 | 1997-08-19 | Nippon Sanso Kk | Heat storing pot and insulated cooking container |
| KR200162744Y1 (en) * | 1997-12-11 | 1999-12-15 | 조필휘 | Convection pot provided with porous ceramics |
| DE69938454T8 (en) * | 1998-01-29 | 2009-09-03 | Clad Metals Llc | METHOD FOR CONNECTING DIFFERENT METALLIC MATERIALS |
| KR200203452Y1 (en) * | 1998-02-25 | 2000-12-01 | 김고정 | Double pot with steam discharge hole composed of bottom |
| KR20000016979U (en) * | 1999-02-11 | 2000-09-25 | 박종도 | A wall duplicution of pots |
| KR20010028517A (en) * | 1999-09-21 | 2001-04-06 | 박종도 | A Oilcore Roaster and a method thereof |
-
2001
- 2001-05-24 JP JP2001155191A patent/JP4558979B2/en not_active Expired - Fee Related
-
2002
- 2002-01-03 KR KR1020020000175A patent/KR100827341B1/en not_active IP Right Cessation
- 2002-01-30 CN CN02103201A patent/CN1387813A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108652414A (en) * | 2017-03-31 | 2018-10-16 | 佛山市顺德区美的电热电器制造有限公司 | Cookware and cooking apparatus with cookware |
| CN108652454A (en) * | 2017-03-31 | 2018-10-16 | 佛山市顺德区美的电热电器制造有限公司 | Cookware and cooking apparatus with cookware |
| CN108652414B (en) * | 2017-03-31 | 2020-11-20 | 佛山市顺德区美的电热电器制造有限公司 | Pan and cooking utensil with pan |
| CN108991912A (en) * | 2018-09-29 | 2018-12-14 | 宁波百飞特厨具有限公司 | Slaughterhouse |
| WO2022081027A1 (en) * | 2020-10-14 | 2022-04-21 | Picoaga Boluarte Eduardo Raul | Smokeless portable double grill for gas cooking |
| CN115474828A (en) * | 2022-09-30 | 2022-12-16 | 武汉苏泊尔炊具有限公司 | Magnetic conductive material for cookware, preparation method thereof and cookware comprising magnetic conductive material |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4558979B2 (en) | 2010-10-06 |
| KR100827341B1 (en) | 2008-05-06 |
| KR20020090097A (en) | 2002-11-30 |
| JP2002345627A (en) | 2002-12-03 |
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