CN207561729U - Cookware - Google Patents
Cookware Download PDFInfo
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- CN207561729U CN207561729U CN201720536648.XU CN201720536648U CN207561729U CN 207561729 U CN207561729 U CN 207561729U CN 201720536648 U CN201720536648 U CN 201720536648U CN 207561729 U CN207561729 U CN 207561729U
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- China
- Prior art keywords
- pot
- cookware
- hollow cavity
- inner casing
- porous foam
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Thermally Insulated Containers For Foods (AREA)
Abstract
The utility model provides a kind of cookware, including：Pot inner casing, pot shell, porous foam metal part and liquid phase-change working medium, wherein, pot shell is set on the outside of pot inner casing, and welds to form closed hollow cavity with pot inner casing, and hollow cavity is vacuum cavity；Porous foam metal part is located on the lateral wall of pot inner casing and/or the madial wall of pot shell, and has water conservancy diversion gap between adjacent porous foam metal part；Liquid phase-change working medium is located at the bottom position of hollow cavity, and can volatilize and condense along the hole in porous foam metal part；Wherein, the internal face of the pot inner casing is without non-sticking lining.Above-mentioned technical proposal, when being heated to cookware bottom, circulating vaporization that can be by liquid phase-change working medium and condensation, the heat of cookware bottom is conducted to cookware top, so that it is guaranteed that the uniformity of each spot temperature of entire cookware, final to realize that cookware surface has the non-sticky effect of good physics when cooking.
Description
Technical field
The utility model is related to household electrical appliance technical field, more particularly to a kind of cookware.
Background technology
Cookware in the relevant technologies sets to slow down that excessive food is heated the phenomenon that being burned on the inner wall of cookware
Non-sticking lining is equipped with, but combination force difference, the scratch resistance performance of this non-sticking lining are poor, service life is limited, therefore coating easily takes off
It falls and fails, while be also usually scraped off.
The cookware for losing non-sticking lining will appear the phenomenon that being burned, simultaneously because non-sticking lining be easily mixed into food and
It is taken in by human body, and then security risk is caused to the health of consumer.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this purpose,
One purpose of the utility model is to propose a kind of cookware, which has a non-sticky effect of good physics, and will not to
The health at family causes security risk.
Cookware according to the present utility model, including：Pot inner casing；Pot shell is set in the outside of the pot inner casing,
And weld to form closed hollow cavity with the pot inner casing, the hollow cavity is vacuum cavity；Porous foam metal part,
It is located on the lateral wall of the pot inner casing and/or the madial wall of the pot shell, and the adjacent porous foam metal part
Between have water conservancy diversion gap；With liquid phase-change working medium, positioned at the bottom position of the hollow cavity, and can be along described more
Hole volatilization and condensation in the foam metal part of hole；Wherein, the internal face of the pot inner casing is without non-sticking lining.
Preferably, multiple porous foam metal parts are radially distributed, in the adjacent porous foam metal part
Between form the water conservancy diversion gap.
The cookware that the utility model above-described embodiment provides is a kind of non-sticky using the uncoated physics of double-layer structure
Pot forms the hollow cavity of vacuum between the pot inner casing of cookware and pot shell, in hollow cavity at the position on top
Equipped with the porous foam metal part being radially distributed, it is bonded in such as porous foam metal part in the outside wall surface of pot inner casing, in
Injection has liquid phase-change working medium (such as water, ammonia or n-hexane) at the position of bottom in cavity body, in this way to cookware
Bottom is heated, (such as temperature after temperature of cookware bottom increases to certain temperature>100 DEG C), the bottom of close in hollow cavity
Liquid refrigerant at portion position can vaporize volatilization as gas, and along the water conservancy diversion gap between two neighboring porous foam metal part
The condensation end on close top in hollow cavity is transmitted to, at the same time being effectively conducted along with heat so that its openend of cookware
Position heated, and phase-change working substance after being cooled occurs condensation and is changed into liquid again, and liquid adsorption is in porous foam gold
Belong in the hole in part, and flow to the bottom of hollow cavity along porous foam metal part under the effect of gravity, be then heated again
Re-evaporation afterwards, the heating condensation process constantly move in circles, so that it is guaranteed that temperature of the entire each position of cookware after heating several minutes
Degree field is consistent (such as the temperature difference can be controlled at ± 4 DEG C) substantially, that is, ensures each spot temperature of entire cookware in a uniform distribution
State finally realizes that the cookware surface has the non-sticky effect of good physics when cooking；And above-mentioned cookware, does not need in pot
The not stickness paint such as surface spraying fluororesin of tool, thus effectively prevent because the wear-resisting property of non-sticky coating is poor, binding force not
It is enough preferable, the service life is shorter, easy to fall off and influence non-sticky effect and service life of the cookware when cooking, and effectively prevent non-sticky
After coating is absorbed by the body, security risk is caused to the health of user.
In addition, the cookware that the utility model above-described embodiment provides also has following additional technical feature：
In the above-mentioned technical solutions, it is preferable that the boiler port of the pot inner casing is turned over equipped with the first annular of outward bending
Side, the boiler port of the pot shell are equipped with the second annular flange of outward bending, the first annular flange and described second
Annular flange airtight connection, to form the closed hollow cavity between the pot inner casing and the pot shell.
Preferably, the first annular flange and the second annular flanging welded are integral.
By the sealed connection of first annular flange and the second annular flange, as will be on pot inner casing using welding procedure
The second annular flanging welded sealing on first annular flange and pot shell, it is ensured that it is fully sealed between weld seam and seamless, it is excellent
Selection of land carries out sanding and polishing to face of weld after welding, closed hollow cavity is formed between pot inner casing and pot shell.
In the above-mentioned technical solutions, it is preferable that offer connection at the upper position of the outer side surface of the pot shell
Mouthful, it is equipped at the connector and is used for the closed metal tube connected of the hollow cavity, the metal tube to the hollow cavity
Liquid phase-change working medium described in the bottom injection of body, and the air in the hollow cavity is made to pass through the metal tube and is discharged.
Connector (aperture of such as a diameter of 3mm or so) is opened up at position of the pot shell close to top, is inserted into
Welded seal is carried out with the metal tube (such as metal hollow copper pipe) of diameter, then by metal tube and the contact position of pot wall, realizes gold
Belong to pipe to connect with the closed of hollow cavity, with the bottom injection liquid phase-change working medium by the metal tube to hollow cavity, side by side
Except the air in hollow cavity, make to keep vacuum state in hollow cavity.
In the above-mentioned technical solutions, it is preferable that the vacuum degree in the hollow cavity is 10-3Pa~10-1Pa。
It is 10 to control the vacuum degree in hollow cavity-3Pa~10-1Pa, to reduce the phase transition temperature of liquid phase-change working medium, just
Circulating vaporization and condensation in liquid phase-change working medium, so as to be further ensured that the temperature uniformity of cookware bottom and top, so as to
Ensure the temperature uniformity at each position of entire cookware.Certainly, the vacuum degree in hollow cavity is not limited to above-mentioned concrete numerical value range,
It can be according to actual conditions designed, designed.
In the above-mentioned technical solutions, it is preferable that the pot inner casing and the pot shell use stainless steel plate or aluminium
The thickness range of alloy sheets punch forming, the stainless steel plate or the aluminium alloy plate is 0.6mm~2.5mm.
Using stainless steel plate or aluminium alloy plate punch forming pot inner casing and pot shell, the molding effect of cookware was both ensured
Fruit, and ensure the heat conductivility of cookware；Thickness range is used both to ensure for the stainless steel plate or aluminium alloy plate of 0.6mm~2.5mm
The intensity of cookware, and ensure the heat conductivility of cookware.
In the above-mentioned technical solutions, it is preferable that the width range of the hollow cavity is 1.5mm~4mm；Wherein, it is described
The gap that the width of hollow cavity is formed between the outer side surface of the pot inner casing and the interior sidewall surface of the pot shell
Width.
Preferably, the gap width between the interior sidewall surface of the outer side surface of pot inner casing and pot shell keeps basic one
It causes.
In the above-mentioned technical solutions, it is preferable that the thickness of the porous foam metal part and the width of the hollow cavity
It is adapted, the average pore size of the porous foam metal part is 0.2mm~0.4mm, and porosity is 70%~90%.
Certainly, the average pore size of above-mentioned porous foam metal part and porosity are not limited to above-mentioned specific limit value, can basis
Actual conditions are voluntarily selected；Preferably, the porous foam metal part uses porous foam copper or Porous foam aluminimun, cuts into item
Shape is made.
In the above-mentioned technical solutions, it is preferable that the porous foam metal part is porous foam copper piece or Porous foam aluminimun
Part.
In the above-mentioned technical solutions, it is preferable that the liquid phase-change working medium is water, ammonia or n-hexane.
Certainly, the porous foam metal part can also be other foam metal parts, and the liquid phase-change working medium can also
It is within the protection scope of the present utility model without departing from the design concept of the utility model for other liquid phase-change working medium.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of cookware described in the utility model one embodiment；
Fig. 2 is the A-A of cookware shown in Fig. 1 to schematic cross-sectional view；
Fig. 3 is the schematic process flow diagram of the production method of cookware described in the utility model one embodiment；
Fig. 4 is the schematic process flow diagram of the production method of cookware described in the utility model another embodiment.
Wherein, the correspondence in Fig. 1 and Fig. 2 between reference numeral and component names is：
10 pot inner casings, 101 first annular flange, 20 pot shells, 201 second annular flange, 30 hollow cavities, more than 40
Hole foam metal part, 50 water conservancy diversion gaps, 60 metal tubes.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation.
In the description of the present invention, it is to be appreciated that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instructions such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
In description the utility model and simplified description rather than instruction or imply that signified device or element must be with specific sides
Position, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple " are meant that at least two in the description of the present invention, example
Such as two, three etc., unless otherwise specifically defined.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection can communicate with one another；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of connection inside two elements or two elements.For those of ordinary skill in the art
For, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model unless specifically defined or limited otherwise, fisrt feature second feature it " on " or it
" under " can be in direct contact including the first and second features, it is not to be in direct contact but lead to that can also include the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " including
One feature is right over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward or only
Represent that fisrt feature level height is less than second feature.
Cookware in the relevant technologies sets to slow down that excessive food is heated the phenomenon that being burned on the inner wall of cookware
Non-sticking lining is equipped with, but combination force difference, the scratch resistance performance of this non-sticking lining are poor, service life is limited, therefore coating easily takes off
It falls and fails, while be also usually scraped off.
The cookware for losing non-sticking lining will appear the phenomenon that being burned, simultaneously because non-sticking lining be easily mixed into food and
It is taken in by human body, and then security risk is caused to the health of consumer.
1 to Fig. 4 description is according to the cookware of the utility model some embodiments offer and the system of the cookware with reference to the accompanying drawings
Make method.
As depicted in figs. 1 and 2, some embodiments of the utility model provides a kind of cookware, including：Pot inner casing 10,
Pot shell 20, porous foam metal part 40 and liquid phase-change working medium (not shown).
Wherein, pot shell 20 is set in the outside of pot inner casing 10, and with the welding of pot inner casing 10 formed it is closed in
Cavity body 30, hollow cavity 30 are vacuum cavity；Porous foam metal part 40 is located at the outer side surface and/or pot of pot inner casing 10
In the interior sidewall surface of body case 20, and there is water conservancy diversion gap 50 between two neighboring porous foam metal part 40；Liquid phase-change work
Matter is located at the bottom position of hollow cavity 30, and can volatilize and condense along the hole in porous foam metal part 40.
Preferably, as shown in Fig. 2, multiple porous foam metal parts 40 are radially distributed, in adjacent porous foam gold
Water conservancy diversion gap 50 is formed between category part 40.
The cookware that the utility model above-described embodiment provides is a kind of non-sticky using the uncoated physics of double-layer structure
Pot forms the hollow cavity 30 of vacuum between the pot inner casing 10 of cookware and pot shell 20, close to top in hollow cavity 30
Position at be equipped with the porous foam metal part 40 that is radially distributed, as porous foam metal part 40 is bonded in pot inner casing 10
Outside wall surface on, in hollow cavity 30 close to bottom position at injection have liquid phase-change working medium (such as water, ammonia or n-hexane
Deng), it is heated in this way to cookware bottom, (such as temperature after temperature of cookware bottom increases to certain temperature>100 DEG C),
Volatilization can be vaporized as gas close to the liquid refrigerant of bottom position in hollow cavity 30, and along two neighboring porous foam gold
Belong to the condensation end that the water conservancy diversion gap 50 between part 40 is transmitted to close top in hollow cavity 30, at the same time having along with heat
Effect conduction so that it is heated close to the position of its openend of cookware, and the phase-change working substance after being cooled occurs condensation and changes again
For liquid, in hole of the liquid adsorption in porous foam metal part 40, and under the effect of gravity along porous foam metal part 40
The bottom of hollow cavity 30 is flow to, re-evaporation after being then heated again, the heating condensation process constantly moves in circles, so that it is guaranteed that
Temperature field of the entire each position of cookware after heating several minutes is consistent (such as the temperature difference can be controlled at ± 4 DEG C) substantially, that is, protects
It demonstrate,proves each spot temperature of entire cookware to be evenly distributed state, finally realizes that the cookware surface has good physics not when cooking
It is stained with effect；And above-mentioned cookware, the internal face not needed in cookware sprays the not stickness paint such as fluororesin, thus effectively prevents
Because the wear-resisting property of non-sticky coating is poor, binding force is not ideal enough, the service life is shorter, it is easy to fall off due to influence when cookware is being cooked not
Effect and service life are stained with, and is effectively prevented after stickness paint is not absorbed by the body, causes safety hidden to the health of user
Suffer from.
The non-adhesion behavior of the cookware of the utility model is by the liquid phase-change working medium in double-layer structure and double-layer structure Lai real
Existing, the bottom wall of cookware and all wall temperatures are relatively uniform.Without non-sticking lining on the madial wall of cookware inner casing 10, therefore fundamentally shut out
The binding force of non-sticking lining and the cookware not enough obscission that occurs, non-sticking lining absolutely will not be entered in food and be consumed
Person absorbs, and avoids the security risk caused by the body of user.
Meanwhile the internal face of the cookware inner casing 10 of the utility model can also reduce the production hardly possible of cookware without non-sticking lining
Degree, simplifies the production process of cookware, and then improves the production efficiency of cookware, and significantly reduce the manufacture cost of cookware.
In one embodiment of the utility model, as shown in Figure 1, the boiler port of pot inner casing 10 is equipped with the of outward bending
One annular flange 101, the boiler port of pot shell 20 are equipped with the second annular flange 201 of outward bending, first annular flange 101
With the second annular 201 airtight connection of flange, to form closed hollow cavity 30 between pot inner casing 10 and pot shell 20.
Preferably, the annular flange 201 of first annular flange 101 and second is integrally welded.
It, such as will be in pot using welding procedure by the sealed connection of the annular flange 201 of first annular flange 101 and second
The second 201 welded seal of annular flange on first annular flange 101 and pot shell 20 on shell 10, it is ensured that between weld seam completely
Sealing and it is seamless, it is preferable that after welding to face of weld carry out sanding and polishing, between pot inner casing 10 and pot shell 20
Form closed hollow cavity 30.
Further, as shown in Figure 1, offering connector at the upper position of the outer side surface of pot shell 20, connection
It is equipped at mouthful and is used for the bottom injection liquid to hollow cavity 30 with the closed metal tube 60 connected of hollow cavity 30, metal tube 60
Phase-change working substance so that liquid phase-change working medium is deposited on the bottom of hollow cavity 30, and the air in hollow cavity 30 is made to pass through gold
Belong to pipe 60 to discharge.
Connector (aperture of such as a diameter of 3mm or so) is opened up at position of the pot shell 20 close to top, is then inserted
Enter the metal tube 60 (such as metal hollow copper pipe) of same diameter, then metal tube 60 and the contact position of pot wall be subjected to welded seal,
Realize that metal tube 60 is connected with the closed of hollow cavity 30, with the bottom injection liquid by the metal tube 60 to hollow cavity 30
Phase-change working substance, and the air in hollow cavity 30 is excluded, make to keep vacuum state in hollow cavity 30.
Preferably, the vacuum degree in hollow cavity 30 is 10-3Pa~10-1Pa。
It is 10 to control the vacuum degree in hollow cavity 30-3Pa~10-1Pa, to reduce the phase transition temperature of liquid phase-change working medium,
Circulating vaporization and condensation convenient for liquid phase-change working medium, so as to be further ensured that the temperature uniformity of cookware bottom and top, from
And ensure the temperature uniformity at each position of entire cookware.Certainly, the vacuum degree in hollow cavity 30 is not limited to above-mentioned concrete numerical value
Range, can be according to actual conditions designed, designed.
Preferably, pot inner casing 10 and pot shell 20 are using stainless steel plate or aluminium alloy plate punch forming, stainless steel
The thickness range of plate or aluminium alloy plate is 0.6mm~2.5mm.
Using stainless steel plate or aluminium alloy plate punch forming pot inner casing 10 and pot shell 20, the molding of cookware was both ensured
Effect, and ensure the heat conductivility of cookware；Thickness range is used both to be protected for the stainless steel plate or aluminium alloy plate of 0.6mm~2.5mm
The intensity of cookware is demonstrate,proved, and ensures the heat conductivility of cookware.
Preferably, as shown in Fig. 2, the width range of hollow cavity 30 is 1.5mm~4mm；Wherein, the width of hollow cavity 30
Spend the gap width formed between the outer side surface of pot inner casing 10 and the interior sidewall surface of pot shell 20.
Preferably, as shown in Figure 1, gap between the interior sidewall surface of the outer side surface of pot inner casing 10 and pot shell 20
Width keeps basically identical.
It is further preferred that the thickness of porous foam metal part 40 is adapted with the width of hollow cavity 30, porous foam
The average pore size of metalwork 40 is 0.2mm~0.4mm, and porosity is 70%~90%.
Certainly, the average pore size of above-mentioned porous foam metal part 40 and porosity are not limited to above-mentioned specific limit value, can root
It is voluntarily selected according to actual conditions；Preferably, porous foam metal part 40 uses porous foam copper or Porous foam aluminimun, cuts into item
Shape is made.
The cookware that the utility model above-described embodiment provides may be used following production method and be made, such as Fig. 3 and Fig. 4 institutes
Show, include the following steps：
Step S10 makes pot inner casing 10 and pot shell 20；
Step S20 sets porous foam metal on the lateral wall of pot inner casing 10 and/or the madial wall of pot shell 20
Part 40；
Pot shell 20 is set in the outside of pot inner casing 10, and is tightly connected and is formed with pot inner casing 10 by step S30
Hollow cavity 30；
Step S40, the injection liquid phase-change working substance into hollow cavity 30 so that liquid phase-change working medium is deposited on hollow cavity
30 bottom, and the vacuum degree in hollow cavity 30 is reduced to preset value.
A kind of uncoated physics non-stick cooker of double-layer structure can be produced using above-mentioned production method, to cookware bottom
Circulating vaporization that can be by the liquid refrigerant for being located at 30 bottom of hollow cavity when portion is heated and condensation, come pot effectively
The heat of tool bottom is conducted to cookware top, so that it is guaranteed that temperature field of the entire each position of cookware after heating several minutes is protected substantially
It holds unanimously, finally realizes that the cookware surface has the non-sticky effect of good physics when cooking, and the cookware will not be to user
Health cause security risk.
Further, as shown in figure 4, the step S40 is specifically included：
Step S402 offers connector, and at connector at the upper position of the outer side surface of pot shell 20
Airtight connection metal tube 60；
Step S404, by metal tube 60 into hollow cavity 30 injection liquid phase-change working substance, then to pot shell 20
Bottom heated so that liquid phase-change working medium vaporization volatilization, exclude hollow cavity 30 in air；
Step S406 using vacuum pump by metal tube 60, continues the vacuum degree in hollow cavity 30 being reduced to default
Value；
Step S408 under vacuum conditions seals the external port of metal tube 60.
Preferably, the preset value is 10-3Pa~10-1Pa。
During being vacuumized to hollow cavity 30, first pass through and cookware bottom is heated so that in cookware
The vaporization volatilization of operative liquid phase-change working substance, so as to by the air in the hollow cavity 30 of cookware and in porous foam metal part 40
It gradually excludes, makes to reach low-pressure state (such as 10 in hollow cavity 301Pa~102Pa)；Then metal tube 60 is passed through using vacuum pump
Continue the residual air in cookware hollow cavity 30 carrying out pumping process so that the low vacuum condition of pore interior further carries
It rises, ensures to reach near vacuum environment (such as 10 in the hollow cavity 30 of entire cookware-3Pa~10-1Pa), and in vacuum environment
Under, the outer end of the metal tube 60 on pot shell 20 is sealed, such as welded seal, so as to ensure the hollow cavity of entire cookware
Body 30 maintains near vacuum environment, such as 10-3Pa~10-1Pa, to reduce the phase transition temperature of liquid phase-change working medium, convenient for liquid phase
Become circulating vaporization and the condensation of working medium, it is entire so as to ensure so as to be further ensured that the temperature uniformity of cookware bottom and top
The temperature uniformity at each position of cookware.
Embodiment one：
Step S10 uses stainless sheet steel of the thickness for 1mm, the punch forming in mold 1 and mold 2, respectively as pot
The pot inner casing 10 of tool and pot shell 20, wherein, the annular flange of extension is respectively provided on pot inner casing 10 and pot shell 20,
And when pot inner casing 10 and the assembling of pot shell 20, the hollow cavity 30 of 2.5mm~3mm can be kept between the two；
Step S20, the trepanning knot that average pore size about 0.2mm~0.4mm, three-dimensional interconnected spatial network are formed
Structure and the porous foam copper mesh that porosity is 70~80%, thickness is about 3mm, cut into strip structure, with the side of array arrangement
Formula is bonded on the outer surface of pot inner casing 10, and there are certain water conservancy diversion gaps between each two strip porous metals copper mesh
50, and cookware bottom is caused to continue to keep cavity state；
Pot inner casing 10 is inserted in pot shell 20 and assembles by step S30, and to be bonded in 10 appearance of pot inner casing
Porous foam copper mesh on face can be fitted on the inner surface of pot shell 20, then by the annular flanging welded at the top of the two into one
Body, and sanding and polishing is carried out to face of weld；
Step S402 bores the small of a diameter of 3mm in pot shell 20 at top and the position of corresponding hollow cavity 30
Hole, and the metal hollow copper pipe with diameter is inserted into, then welded seal will be carried out at copper pipe and the contact position of pot wall；
Step S404, injected by metal hollow copper pipe to the inside of hollow cavity 30 appropriate liquid phase-change working medium (such as water or
Ammonia), and cookware bottom is heated, make the vaporization volatilization of operative liquid phase-change working substance, it will be in cookware hollow cavity 30 and more
Air in the foam copper mesh of hole gradually excludes, and reaches certain low-pressure state (about 101~102Pa), and by metal hollow copper
The seal of tube；
Step S406 using vacuum pump by metal hollow copper pipe, continues to be pumped into inside cookware hollow cavity 30 low true
Altitude (about 10-3Pa)；
The outer end of metal hollow copper pipe on pot shell 20 under vacuum conditions, is carried out welded seal by step S408,
Ensure to maintain near vacuum environment (about 10 in entire cookware hollow cavity 30-3Pa), so as to complete the equal hot pot of entire double-layer structure
The making of tool.
Embodiment two：
Step S10 uses aluminium alloy sheet of the thickness for 2mm, the punch forming in mold 1 and mold 2, respectively as pot
The pot inner casing 10 of tool and pot shell 20, wherein, the annular flange of extension is respectively provided on pot inner casing 10 and pot shell 20,
And when pot inner casing 10 and the assembling of pot shell 20, the hollow cavity 30 of 2.5mm~3mm can be kept between the two；
Step S20, the trepanning knot that average pore size about 0.3mm~0.4mm, three-dimensional interconnected spatial network are formed
Structure and the porous foam aluminium net that porosity is 70~90%, thickness is about 3mm, cut into strip structure, with the side of array arrangement
Formula is bonded on the outer surface of pot inner casing 10, and there are certain water conservancy diversion gaps between each two strip porous metals aluminium net
50, and cookware bottom is caused to continue to keep cavity state；
Pot inner casing 10 is inserted in pot shell 20 and assembles by step S30, and to be bonded in 10 appearance of pot inner casing
Porous foam aluminium net on face can be fitted on the inner surface of pot shell 20, then by the annular flanging welded at the top of the two into one
Body, and sanding and polishing is carried out to face of weld；
Step S402 bores the small of a diameter of 3mm in pot shell 20 at top and the position of corresponding hollow cavity 30
Hole, and the metal hollow aluminum pipe with diameter is inserted into, then welded seal will be carried out at aluminum pipe and the contact position of pot wall；
Step S404, injected by metal hollow aluminum pipe to the inside of hollow cavity 30 appropriate liquid phase-change working medium (as just oneself
Alkane), and cookware bottom is heated, make the vaporization volatilization of operative liquid phase-change working substance, it will be in cookware hollow cavity 30 and porous
Air in foam aluminium net gradually excludes, and reaches certain low-pressure state (about 101~102Pa), and by metal hollow aluminum pipe
Sealing；
Step S406 using vacuum pump by metal hollow pipe, continues the air of 30 internal residual of cookware hollow cavity
Pumping process is carried out, low vacuum environment (about 10 will be pumped into inside hollow cavity 30-2Pa)。
The outer end of metal hollow aluminum pipe on pot shell 20 under vacuum conditions, is carried out welded seal by step S408,
Ensure to maintain near vacuum environment (about 10 in entire cookware hollow cavity 30-2Pa), so as to complete the equal hot pot of entire double-layer structure
The making of tool.
In conclusion cookware provided by the utility model, is a kind of uncoated physics non-stick cooker using double-layer structure,
The hollow cavity of vacuum is formed between the pot inner casing of cookware and pot shell, is equipped at the position on top in hollow cavity
The porous foam metal part being radially distributed, injection has liquid phase-change working medium at the position of bottom in hollow cavity, this
Sample can be by the liquid refrigerant for being located at hollow cavity bottom when being heated to cookware bottom circulating vaporization and condensation,
Effectively the heat of cookware bottom is conducted to cookware top, so that it is guaranteed that temperature of the entire cookware each position after several minutes of heating
Degree field is consistent substantially, finally realizes that the cookware surface has the non-sticky effect of good physics, and the cookware when cooking
Security risk will not be caused to the health of user.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It is combined in an appropriate manner in any one or more embodiments or example.In addition, those skilled in the art can incite somebody to action
Different embodiments or examples described in this specification are engaged and are combined.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be construed as a limitation of the present invention, those of ordinary skill in the art are in the scope of the utility model
It is interior to make changes, modifications, substitutions and variations to the above described embodiments.
Claims (11)
1. a kind of cookware, which is characterized in that including：
Pot inner casing；
Pot shell is set in the outside of the pot inner casing, and welds to form closed hollow cavity with the pot inner casing,
The hollow cavity is vacuum cavity；
Liquid phase-change working medium, positioned at the bottom position of the hollow cavity；
Wherein, the internal face of the pot inner casing is without non-sticking lining.
2. cookware according to claim 1, which is characterized in that further include：Porous foam metal part is located in the pot
On the madial wall of the lateral wall of shell and/or the pot shell, and between water conservancy diversion between the adjacent porous foam metal part
Gap, the liquid phase-change working medium can volatilize and condense along the hole in the porous foam metal part.
3. cookware according to claim 1, which is characterized in that
The boiler port of the pot inner casing is equipped with the first annular flange of outward bending, the boiler port of the pot shell be equipped with to
The annular flange of the second of outer bending, the first annular flange and the described second annular flange airtight connection, in the pot
The closed hollow cavity is formed between inner casing and the pot shell.
4. cookware according to claim 3, which is characterized in that
The first annular flange and the second annular flanging welded are integral.
5. cookware according to claim 1, which is characterized in that
Offer connector at the upper position of the outer side surface of the pot shell, be equipped at the connector with it is described hollow
The metal tube of cavity airtight connection, the metal tube are used for liquid phase-change working medium described in the bottom injection of the hollow cavity,
And the air in the hollow cavity is made to pass through the metal tube and is discharged.
6. cookware according to claim 1, which is characterized in that
Vacuum degree in the hollow cavity is 10-3Pa~10-1Pa。
7. cookware according to any one of claim 1 to 6, which is characterized in that
The pot inner casing and the pot shell use stainless steel plate or aluminium alloy plate punch forming；The stainless steel plate or
The thickness range of the aluminium alloy plate is 0.6mm~2.5mm.
8. cookware according to any one of claim 1 to 6, which is characterized in that
The width range of the hollow cavity is 1.5mm~4mm；
Wherein, the width of the hollow cavity for the pot inner casing outer side surface and the pot shell interior sidewall surface it
Between the gap width that is formed.
9. cookware according to claim 2, which is characterized in that
The thickness of the porous foam metal part is adapted with the width of the hollow cavity, and the porous foam metal part is put down
Equal aperture is 0.2mm~0.4mm, and porosity is 70%~90%.
10. cookware according to claim 2, which is characterized in that
The porous foam metal part is porous foam copper piece or porous foam aluminum component.
11. cookware according to any one of claim 1 to 6, which is characterized in that
The liquid phase-change working medium is water, ammonia or n-hexane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/085203 WO2017198231A1 (en) | 2016-05-20 | 2017-05-19 | Cooking pot |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016204675299 | 2016-05-20 | ||
| CN201620467529 | 2016-05-20 |
Publications (1)
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|---|---|
| CN207561729U true CN207561729U (en) | 2018-07-03 |
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| CN201611086935.1A Active CN107397424B (en) | 2016-05-20 | 2016-11-30 | Uniform-temperature non-stick cooker |
| CN201621305781.6U Active CN206576736U (en) | 2016-05-20 | 2016-11-30 | A kind of samming tack-free pot |
| CN201621300866.5U Active CN206543119U (en) | 2016-05-20 | 2016-11-30 | A kind of samming pot of porous foam metal layer liquid-sucking core |
| CN201621305687.0U Active CN206543122U (en) | 2016-05-20 | 2016-11-30 | A kind of samming pot of double-decker |
| CN201611086800.5A Pending CN107397423A (en) | 2016-05-20 | 2016-11-30 | A kind of samming pot of double-decker |
| CN201621307819.3U Active CN206822494U (en) | 2016-05-20 | 2016-11-30 | Pan |
| CN201621309686.3U Active CN206979307U (en) | 2016-05-20 | 2016-12-01 | Pan |
| CN201621313344.9U Active CN206612540U (en) | 2016-05-20 | 2016-12-01 | A kind of samming pan |
| CN201720480388.9U Active CN207428918U (en) | 2016-05-20 | 2017-05-02 | Cookware, cookware component and kitchen appliance |
| CN201720536648.XU Active CN207561729U (en) | 2016-05-20 | 2017-05-12 | Cookware |
Family Applications Before (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086935.1A Active CN107397424B (en) | 2016-05-20 | 2016-11-30 | Uniform-temperature non-stick cooker |
| CN201621305781.6U Active CN206576736U (en) | 2016-05-20 | 2016-11-30 | A kind of samming tack-free pot |
| CN201621300866.5U Active CN206543119U (en) | 2016-05-20 | 2016-11-30 | A kind of samming pot of porous foam metal layer liquid-sucking core |
| CN201621305687.0U Active CN206543122U (en) | 2016-05-20 | 2016-11-30 | A kind of samming pot of double-decker |
| CN201611086800.5A Pending CN107397423A (en) | 2016-05-20 | 2016-11-30 | A kind of samming pot of double-decker |
| CN201621307819.3U Active CN206822494U (en) | 2016-05-20 | 2016-11-30 | Pan |
| CN201621309686.3U Active CN206979307U (en) | 2016-05-20 | 2016-12-01 | Pan |
| CN201621313344.9U Active CN206612540U (en) | 2016-05-20 | 2016-12-01 | A kind of samming pan |
| CN201720480388.9U Active CN207428918U (en) | 2016-05-20 | 2017-05-02 | Cookware, cookware component and kitchen appliance |
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| Country | Link |
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| CN (10) | CN107397424B (en) |
Cited By (1)
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| CN109363484A (en) * | 2018-11-02 | 2019-02-22 | 荆门它山之石电子科技有限公司 | A kind of glass boiler and electric cooker |
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| CN107397424B (en) * | 2016-05-20 | 2021-03-30 | 佛山市顺德区美的电热电器制造有限公司 | Uniform-temperature non-stick cooker |
| CN107951374A (en) * | 2017-12-29 | 2018-04-24 | 广东天际电器股份有限公司 | A kind of reticulate pattern samming non-stick ceramic pot and preparation method thereof |
| CN109044081B (en) * | 2018-09-28 | 2021-04-09 | 李子京 | Heating container and electric cooker |
| CN113118670B (en) * | 2019-12-31 | 2024-01-05 | 佛山市顺德区美的电热电器制造有限公司 | Cookware, cooking utensil and manufacturing method of cookware |
| CN113786047A (en) * | 2021-10-19 | 2021-12-14 | 东莞理工学院 | Double-layer portable cold and hot dining box device based on heat pipe technology |
| TWI789233B (en) * | 2022-02-08 | 2023-01-01 | 羽鈦有限公司 | Anti-stick titanium metal cookware and the manufacture of the same |
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| CN107397424B (en) * | 2016-05-20 | 2021-03-30 | 佛山市顺德区美的电热电器制造有限公司 | Uniform-temperature non-stick cooker |
-
2016
- 2016-11-30 CN CN201611086935.1A patent/CN107397424B/en active Active
- 2016-11-30 CN CN201621305781.6U patent/CN206576736U/en active Active
- 2016-11-30 CN CN201621300866.5U patent/CN206543119U/en active Active
- 2016-11-30 CN CN201621305687.0U patent/CN206543122U/en active Active
- 2016-11-30 CN CN201611086800.5A patent/CN107397423A/en active Pending
- 2016-11-30 CN CN201621307819.3U patent/CN206822494U/en active Active
- 2016-12-01 CN CN201621309686.3U patent/CN206979307U/en active Active
- 2016-12-01 CN CN201621313344.9U patent/CN206612540U/en active Active
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2017
- 2017-05-02 CN CN201720480388.9U patent/CN207428918U/en active Active
- 2017-05-12 CN CN201720536648.XU patent/CN207561729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363484A (en) * | 2018-11-02 | 2019-02-22 | 荆门它山之石电子科技有限公司 | A kind of glass boiler and electric cooker |
| CN109363484B (en) * | 2018-11-02 | 2021-02-09 | 荆门它山之石电子科技有限公司 | Glass pot and electric cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206543119U (en) | 2017-10-10 |
| CN206576736U (en) | 2017-10-24 |
| CN206822494U (en) | 2018-01-02 |
| CN107397424A (en) | 2017-11-28 |
| CN206979307U (en) | 2018-02-09 |
| CN107397424B (en) | 2021-03-30 |
| CN107397423A (en) | 2017-11-28 |
| CN207428918U (en) | 2018-06-01 |
| CN206543122U (en) | 2017-10-10 |
| CN206612540U (en) | 2017-11-07 |
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