CN208784366U - Cooking apparatus - Google Patents

Abstract

The utility model provides a kind of cooking apparatus, comprising: liner, liner are glass inner bag or ceramic liner, and the outer surface of the bottom wall of liner has the first arcwall face of indent, and liner is for placing on the heating；And heating device, upper surface are the second convex arcwall face；Wherein, the curvature of the first arcwall face is greater than the curvature of the second arcwall face.The utility model is by being designed as the bottom wall of liner with arcwall face, and the upper surface of heating device is also configured as with arcwall face, increase the contact area of liner and heating device, be conducive to liner thermally equivalent, in addition, since the upper surface of heating device can be thermally deformed during heating, bending degree will increase, and then it is greater than the curvature of the second arcwall face by the curvature of the first arcwall face of design, it can make heating device when heated, the inside gallbladder direction in its upper surface is further bent, and further increases the heating effect of liner.

Description

Cooking apparatus

Technical field

The utility model relates to kitchen appliance technical fields, in particular to a kind of cooking apparatus.

Background technique

In recent years, as the living standard of the people is higher and higher, also increasingly to the material requirements of the cookware of health environment-friendly Height, the problems such as metal material cookware is got rusty and is poisoned, increasingly worry that therefore, cookware made of glass material is increasingly by weight Depending on.Glass material heat resistance is high, and health environment-friendly, has lot of superiority energy, but the heating conduction of glass material is poor, in heat Heat is easily gathered in the bottom of glass cookware in disk heating process, and food materials in cookware is caused to boil not yet done and glass cookware bottom The problems such as being charred.In addition, there is also because glass cookware bottom temp it is excessively high, and make cooking apparatus internal component operating temperature Excessively high problem, brings security risk.

Utility model content

The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.

For this purpose, the one aspect of the utility model proposes a kind of cooking apparatus.

In view of this, one aspect according to the present utility model, provides a kind of cooking apparatus, comprising: liner, liner are Glass inner bag or ceramic liner, the outer surface of the bottom wall of liner have the first arcwall face of indent, and liner is for being placed on heating On device；And heating device, upper surface are the second convex arcwall face；Wherein, the curvature of the first arcwall face is greater than the second arc The curvature in shape face.

The utility model is also designed the upper surface of heating device by being designed as the bottom wall of liner with arcwall face To increase the contact area of liner and heating device with arcwall face, be conducive to liner thermally equivalent.In addition, due to heating The upper surface of device can be thermally deformed during heating, and curvature namely bending degree will increase, and then pass through design first The curvature of arcwall face is greater than the curvature of the second arcwall face, may make heating device when heated, the inside gallbladder place side in upper surface To further bending, reduce the gap between liner and heating device, to improve the heating effect of liner, and cooperates liner bottom The design of first arcwall face of wall can make the sufficiently rolling, convection current in boiling of the food materials such as the Rice & peanut milk inside liner, so that difference portion The mouthfeel of the rice of position is consistent, and rice flatness is good, and mouthfeel is more preferably.It, can be effective in the case where ignoring mismachining tolerance It prevents the upper surface of heating device to be designed directly to be bonded completely with the bottom wall of liner, and makes heating device in heating process In, gap enlargement between the two, heat aggregation, far from liner, are caused due to heated bending in upper surface, and lead to local temperature It is excessively high, extend cooking time, food materials are not yet done inside liner or appearance the problems such as liner at the bottom is charred.

It should be noted that the liner of the application, can separate with heating device, when in use, then it is placed on heating device On；Directly liner can also be placed on the heating, can be both fixedly connected between the two when assembling cooking apparatus, it can also It is detachably connected.Preferably, the inner surface of the bottom wall of liner has the bottom of arcwall face identical with its outer surface curvature or liner Incomplete Shepe is same everywhere for the thickness of wall.The curvature of the arcwall face of the application refers to the bending degree of arcwall face entirety, in the first arc The curvature of any point on any camber line in shape face is all larger than with any camber line and homogeneous in the vertical direction with any point The curvature of certain point on a certain camber line on corresponding second arcwall face.Preferably, the first arcwall face and the second arcwall face with The central point of the translation of one section of camber line or one section of camber line rotates or the first arcwall face and the second arcwall face are oval bent Face, the outer surface of approximate rugby.

In addition, can also be had following additional according to the cooking apparatus in above-mentioned technical proposal provided by the utility model Technical characteristic:

In the above-mentioned technical solutions, it is preferable that under the unheated state of heating device, the first arcwall face and the second arc The range of maximum spacing between face is 0.1mm to 3mm.

In the technical scheme, when liner is placed on heating device, under the unheated state of heating device, pass through The range for controlling the maximum spacing between the first arcwall face and the second arcwall face is 0.1mm to 3mm, is on the one hand avoided between the two Spacing is too small, is less than 0.1mm, and makes the upper surface of heating device when being thermally deformed, although the center of the first arcwall face Domain is closer to liner, but the circumferential amplitude far from liner of the first arcwall face becomes apparent from, to widen heating device and liner Between gap, cause liner heating effect be deteriorated, easily there is heat concentration phenomenon；On the other hand spacing between the two is avoided It is excessive, it is greater than 3mm, and the heat that heating device is generated can not efficiently be transmitted to liner in time, liner heating effect is poor, Spacing is excessive between the two easily leads to heat sharply, and local heating is excessively high, causes the wind such as the heated thawing of component presence around Danger.

In any of the above-described technical solution, it is preferable that the model of the maximum spacing between the first arcwall face and the second arcwall face It encloses for 0.15mm to 0.2mm.

In the technical scheme, it further limits under the unheated state of heating device, the first arcwall face and the second arc The range of maximum spacing between shape face is 0.15mm to 0.2mm, at this point, the heat that heating device generates can in time efficiently It is transmitted to liner, and after its upper surface is thermally deformed, it is whole closer to liner, reduce gap size between the two, further The problems such as heating effect for improving liner, the not yet done and bottom that avoids occurring cooking inside liner is charred.

In any of the above-described technical solution, it is preferable that the first arcwall face and the second arcwall face are spherical, the first arcwall face Radius less than the second arcwall face radius.

In the technical scheme, by the way that the first arcwall face is designed to that spherical, the second arcwall face are designed to spherical, this In spherical refer to a part of spherical outer surface, i.e. the first arcwall face and the second arcwall face are respectively with a camber line by respective Midtread rotate 180 ° formation, on the one hand facilitate production and processing, on the other hand by liner placement on the heating when, Be conducive to capturing position, so that being not in relative movement between the first arcwall face and the second arcwall face.By designing the first arc The radius in shape face is the radius less than the second arcwall face, so that the bending degree of the first arcwall face is greater than the bending of the second arcwall face Degree, convenient for the second arcwall face when being thermally deformed, the bending degree to the first arcwall face is close, to reduce between liner Gap, improve the heating effect of liner.Here, default liner is substantially cylindrical.But the horizontal cross-section of liner can also be in Ellipse, at this point, the aspherical face of the first arcwall face, but an oval curved surface.

In any of the above-described technical solution, it is preferable that the curvature of the first arcwall face and the curvature of the second arcwall face are positively correlated, It is further preferred that the radius of the radius of the first arcwall face and the second arcwall face is positively correlated.

In the technical scheme, pass through the size of the radius of the size and the second arcwall face of the radius of the first arcwall face of setting It is positively correlated, under the premise of radius of the radius of the first arcwall face of guarantee less than the second arcwall face, and guarantees that liner is heated equal Under the premise of even, convenient for configuring the liner of different sizes for different heating devices, meet the different culinary art demand of user.

In any of the above-described technical solution, it is preferable that the range of the radius of the first arcwall face is 400mm to 900mm；With/ Or second arcwall face radius range be 450mm to 950mm.

In the technical scheme, it is 400mm to 900mm by the range for the radius for designing the first arcwall face, is conducive to interior Rice & peanut milk abundant convection current, rolling during boiling inside gallbladder, advantageously ensures that rice is identical in the mouthfeel of different zones, really The flatness for protecting rice, improves the mouthfeel of rice.Range by designing the radius of the second arcwall face is 450mm to 950mm, is had It sufficiently being heated conducive to liner, it is ensured that the second arcwall face is understood during being thermally deformed closer to the first arcwall face, and Reduce its gap between liner.Specifically, the radius of the radius of the first arcwall face and the second arcwall face is positively correlated, example Such as, when the radius of the second arcwall face is 450mm, the radius of the first arcwall face is 400mm, and when the radius of the second arcwall face is When 700mm, the radius of the first arcwall face is 650mm.

In any of the above-described technical solution, it is preferable that when placing in the horizontal plane liner, on the basis of the horizontal plane Face, the range of the maximum spacing H between the first arcwall face and datum level are 0.1mm to 5mm.

In the technical scheme, when placing in the horizontal plane liner, by making the first arcwall face on liner bottom wall It is too small to the bending degree that between 5mm, can effectively avoid the first arcwall face in 0.1mm with the maximum spacing H of the horizontal plane, tend to Plane, and lead to liner uneven heating everywhere, especially in the case where the second arcwall face is thermally deformed, it can widen between liner Gap, cause local temperature excessively high, phenomena such as being charred；Also the bending degree that can effectively avoid the first arcwall face is excessive, And lead to that heating device difficulty of processing engaged therewith increases and the heat of the generation of heating device can not in time and efficiently The problems such as being transmitted to liner.

In any of the above-described technical solution, it is preferable that heating device includes the heat-conducting layer positioned at upper surface, the face of heat-conducting layer Product is greater than or equal to the area of the outer surface of the bottom wall of liner.

In the technical scheme, the upper surface of heating device is heat-conducting layer, i.e. heat-conducting layer has the second arcwall face, thermally conductive effect Fruit is good, can quickly and uniformly transfer heat on liner, improves the heating effect of liner.The area of heat-conducting layer is greater than or waits Area in the outer surface of the bottom wall of liner is conducive to be evenly heated liner, is especially greater than in the area of heat-conducting layer interior When the area of the outer surface of the bottom wall of gallbladder, the part that exceeds can bottom arc-shaped transition section or even liner to liner side wall into Row heating, improves the heating effect of liner.

In any of the above-described technical solution, it is preferable that heat-conducting layer is aluminum metal layer.

In the technical scheme, by setting aluminum metal layer for heat-conducting layer, aluminum metal layer here can be pure Aluminium, is also possible to aluminium alloy, and good heat conduction effect is conducive to liner thermally equivalent.

In any of the above-described technical solution, it is preferable that heating device includes heating tube, the projection of liner in the vertical direction Heating tube is completely covered, and the outer edge of the bottom wall of liner is greater than or equal to the spacing range of heating tube in the horizontal direction 6mm。

In the technical scheme, when heating tube is directed to glass inner bag or ceramic inner container heating, within the outside 6mm of heating tube And inwardly the region within 6mm is heat radiation concentration zones, and heat radiation is relatively uniform, therefore, by the outer of the bottom wall of liner Edge is designed at least 6mm of the horizontal space away from heating tube, on the one hand makes the heating effect of liner bottom wall more preferable and heated equal It is even, phenomena such as effectively avoiding liner at the bottom from being charred because of amount of localized heat aggregation, the problem that food materials are not yet done inside liner is avoided, Improve culinary art effect；On the other hand it also avoids the distributed areas of heating tube excessive, makes its concentrated radiation region beyond liner bottom wall And lead to wasted heat, waste of energy.In addition, since liner bottom wall is heated evenly, and then also effectively liner at the bottom is avoided to assemble Big calorimetric, and cause component temperature rise around excessively high, heat occur melts or damages, and improves the security performance of cooking apparatus.

In any of the above-described technical solution, it is preferable that liner includes bottom wall, side wall and changeover portion, and changeover portion is connected bottom wall And side wall, and the section of the centerline direction for crossing liner of changeover portion is arc-shaped, which is joined end to end by multi-section circular arc.

In the technical scheme, the structure of liner is specifically defined, including bottom wall, side wall and the mistake for being connected bottom wall and side wall Section is crossed, the section of the centerline direction for crossing liner of changeover portion is formed by multi-section circular arc head and the tail, on the one hand facilitates the production of liner Processing, it is conveniently stripped, on the other hand compared with the changeover portion only formed by one section of circular arc, the outer surface of liner bottom wall can be increased Area, and then increase the heating surface area of liner, the phenomenon that liner at the bottom is charred and internal food materials are not yet done is avoided the occurrence of, culinary art is improved Effect.

Furthermore it is preferred that cooking apparatus is electric cooker or electric pressure cooking saucepan.

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 shows the structural schematic diagram of the liner of one embodiment of the utility model；

Fig. 2 shows the elevational schematic views of the heating device of one embodiment of the utility model；

Fig. 3 shows the inverted structure schematic diagram of the heating device of one embodiment of the utility model.

Wherein, corresponding relationship of the Fig. 1 into Fig. 3 between appended drawing reference and component names are as follows:

12 liners, 122 first arcwall faces, 14 heating devices, 142 second arcwall faces.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

The cooking apparatus according to the utility model some embodiments is described referring to Fig. 1 to Fig. 3.

As shown in Figure 1 to Figure 3, the one aspect embodiment of the utility model provides a kind of cooking apparatus, comprising: liner 12, liner 12 is glass inner bag or ceramic liner, and the outer surface of the bottom wall of liner 12 has the first arcwall face 122 of indent, interior Gallbladder 12 is for being placed on heating device 14；With heating device 14, upper surface is the second convex arcwall face 142；Wherein, The curvature of one arcwall face 122 is greater than the curvature of the second arcwall face 142.

The utility model is by being designed as the bottom wall of liner 12 with arcwall face, and by the upper surface of heating device 14 It is designed as increasing the contact area of liner 12 Yu heating device 14 with arcwall face, is conducive to 12 thermally equivalent of liner.Separately Outside, since the upper surface of heating device 14 can be thermally deformed during heating, curvature namely bending degree be will increase, into And it is greater than the bending degree of the second arcwall face 142 by the bending degree of the first arcwall face 122 of design, it may make heating device 14 When heated, inside 12 direction of gallbladder in upper surface is further bent, and reduces the gap between liner 12 and heating device 14, To improve the heating effect of liner 12, and cooperate the design of the first arcwall face 122 of 12 bottom wall of liner, can make inside liner 12 The sufficiently rolling, convection current in boiling of the food materials such as Rice & peanut milk so that the mouthfeel of the rice of different parts is consistent, rice flatness It is good, and mouthfeel is more preferably.In the case where ignoring mismachining tolerance, can effectively prevent the upper surface of heating device 14 be designed directly to The bottom wall of liner 12 is bonded completely, and makes heating device 14 during heating, and upper surface is due to heated bending far from Gallbladder 12 causes gap enlargement between the two, heat aggregation, and causes local temperature excessively high, extension cooking time, inside liner 12 The appearance for the problems such as food materials are not yet done or 12 bottom of liner is charred.

It should be noted that the liner 12 of the application, can separate with heating device 14, when in use, then it is placed on heating On device 14；Directly liner 12 can also be placed on heating device 14, can both be fixed between the two when assembling cooking apparatus Connection, can also be detachably connected.Preferably, the inner surface of the bottom wall of liner 12 has arc identical with its outer surface curvature Incomplete Shepe is same everywhere for the thickness of the bottom wall of face or liner 12.The curvature of the arcwall face of the application refers to the curved of arcwall face entirety Qu Chengdu, the curvature of any point on any camber line of the first arcwall face 122 are all larger than with any camber line and any with this Put the curvature of certain point on a certain camber line on corresponding second arcwall face 142 in the vertical direction.Preferably, the first arc Shape face 122 and the second arcwall face 142 are rotated with one section of camber line translation or with the central point of one section of camber line or the first arc Face 122 and the second arcwall face 142 are oval curved surface, the outer surface of approximate rugby.

In one embodiment of the utility model, it is preferable that under the unheated state of heating device 14, the first arc The range of maximum spacing between face 122 and the second arcwall face 142 is 0.1mm to 3mm.

In this embodiment, when liner 12 is placed on heating device 14, under the unheated state of heating device 14, It is 0.1mm to 3mm by the range of the maximum spacing between the first arcwall face 122 of control and the second arcwall face 142, on the one hand keeps away It is too small to exempt from spacing between the two, is less than 0.1mm, and makes the upper surface of heating device 14 when being thermally deformed, although the first arc The central area in shape face 122 is closer to liner 12, but the circumferential amplitude far from liner 12 of the first arcwall face 122 becomes apparent from, from And the gap between heating device 14 and liner 12 has been widened, cause 12 heating effect of liner to be deteriorated, heat concentration easily occurs Phenomenon；On the other hand avoid between the two spacing it is excessive, be greater than 3mm, and make heating device 14 generate heat can not be timely It is efficiently transmitted to liner 12,12 heating effect of liner is poor, and spacing is excessive between the two easily leads to heat sharply, local heating It is excessively high, cause the risks such as the heated thawing of component presence around.

In one embodiment of the utility model, it is preferable that between the first arcwall face 122 and the second arcwall face 142 The range of maximum spacing is 0.15mm to 0.2mm.

In this embodiment, it further limits under the unheated state of heating device 14, the first arcwall face 122 and second The range of maximum spacing between arcwall face 142 be 0.15mm to 0.2mm, at this point, heating device 14 generate heat can and When be efficiently transmitted to liner 12, it is whole closer to liner 12 and after its upper surface is thermally deformed, reduce gap between the two Size further increases the heating effect of liner 12, and being charred, which occurs, in the not yet done and bottom that avoids occurring cooking inside liner 12 etc. asks Topic.

In one embodiment of the utility model, it is preferable that the first arcwall face 122 and the second arcwall face 142 are spherical shape Face, the radius of the radius of the first arcwall face 122 less than the second arcwall face 142.

In this embodiment, by the way that the first arcwall face 122 is designed to that spherical, the second arcwall face 142 are designed to spherical shape Face, spherical here refer to a part of spherical outer surface, i.e. the first arcwall face 122 and the second arcwall face 142 are respectively with one A camber line rotates 180 ° of formation by respective midtread, on the one hand facilitates production and processing, on the other hand places by liner 12 When on heating device 14, be conducive to capturing position, so that being not between the first arcwall face 122 and the second arcwall face 142 Relative movement.Radius by designing the first arcwall face 122 is the radius less than the second arcwall face 142, so that the first arcwall face 122 bending degree is greater than the bending degree of the second arcwall face 142, convenient for the second arcwall face 142 when being thermally deformed, to first The bending degree of arcwall face 122 is close, to reduce the gap between liner 12, improves the heating effect of liner 12.Here, It is substantially cylindrical to default liner 12.But the horizontal cross-section of liner 12 can also be oval, at this point, the first arcwall face 122 is non- Spherical, but an oval curved surface.

In one embodiment of the utility model, it is preferable that the curvature of the first arcwall face 122 and the second arcwall face 142 Curvature be positively correlated, it is further preferred that the radius of the radius of the first arcwall face 122 and the second arcwall face 142 positive correlation.

In this embodiment, pass through the radius of the size and the second arcwall face 142 of the radius of the first arcwall face 122 of setting Size is positively correlated, and under the premise of radius of the radius of the first arcwall face 122 of guarantee less than the second arcwall face 142, and is guaranteed Under the premise of liner 12 is heated evenly, convenient for configuring the liner 12 of different sizes for different heating devices 14, meet user Different culinary art demands.

In one embodiment of the utility model, it is preferable that the range of the radius of the first arcwall face 122 be 400mm extremely 900mm；And/or second arcwall face 142 radius range be 450mm to 950mm.

In this embodiment, it is 400mm to 900mm by the range for the radius for designing the first arcwall face 122, is conducive to interior Rice & peanut milk abundant convection current, rolling during boiling inside gallbladder 12, advantageously ensures that rice is identical in the mouthfeel of different zones, The flatness for ensuring rice improves the mouthfeel of rice.By design the second arcwall face 142 radius range be 450mm extremely 950mm is conducive to sufficiently heat liner 12, it is ensured that the second arcwall face 142, can be closer to during being thermally deformed First arcwall face 122, and reduce its gap between liner 12.Specifically, the radius and the second arc of the first arcwall face 122 The radius in shape face 142 is positively correlated, for example, the radius of the first arcwall face 122 is when the radius of the second arcwall face 142 is 450mm 400mm, and when the radius of the second arcwall face 142 is 700mm, the radius of the first arcwall face 122 is 650mm.

In one embodiment of the utility model, it is preferable that when placing in the horizontal plane liner 12, with the level Face is benchmark face, and the range of the maximum spacing H between the first arcwall face 122 and datum level is 0.1mm to 5mm.

In this embodiment, when placing in the horizontal plane liner 12, by making the first arc on 12 bottom wall of liner The maximum spacing H of face 122 and the horizontal plane is in 0.1mm to the bending degree that between 5mm, can effectively avoid the first arcwall face 122 It is too small, tend to plane, and lead to the uneven heating everywhere of liner 12, and especially in the case where the second arcwall face 142 is thermally deformed, meeting The gap between liner 12 is widened, causes local temperature excessively high, phenomena such as being charred；Also it can effectively avoid the first arcwall face 122 bending degree is excessive, and leads to the increase of 14 difficulty of processing of heating device and the generation of heating device 14 engaged therewith Heat the problems such as can not being transmitted to liner 12 in time and efficiently.

In one embodiment of the utility model, it is preferable that heating device 14 includes the heat-conducting layer positioned at upper surface, is led The area of thermosphere is greater than or equal to the area of the outer surface of the bottom wall of liner 12.

In this embodiment, the upper surface of heating device 14 is heat-conducting layer, i.e. heat-conducting layer has the second arcwall face 142, is led Thermal effect is good, can quickly and uniformly transfer heat on liner 12, improves the heating effect of liner 12.The area of heat-conducting layer More than or equal to the area of the outer surface of the bottom wall of liner 12, be conducive to be evenly heated liner 12, especially in heat-conducting layer Area be greater than liner 12 bottom wall outer surface area when, the part that exceeds can bottom arc-shaped transition section to liner 12, The side wall of even liner 12 is heated, and the heating effect of liner 12 is improved.

In one embodiment of the utility model, it is preferable that heat-conducting layer is aluminum metal layer.

In this embodiment, by setting aluminum metal layer for heat-conducting layer, aluminum metal layer here can be fine aluminium, It is also possible to aluminium alloy, good heat conduction effect is conducive to 12 thermally equivalent of liner.

In one embodiment of the utility model, it is preferable that heating device 14 includes heating tube, and liner 12 is in vertical side Heating tube, and the outer edge of the bottom wall of liner 12 and the spacing range of heating tube in the horizontal direction is completely covered in upward projection More than or equal to 6mm.

In this embodiment, when heating tube is heated for glass inner bag 12 or ceramic liner 12, the outside 6mm of heating tube it Region within interior and inside 6mm is heat radiation concentration zones, and heat radiation is relatively uniform, therefore, by the bottom wall of liner 12 Outer edge be designed at least 6mm of the horizontal space away from heating tube, on the one hand make the heating effect of 12 bottom wall of liner more preferable and Phenomena such as being heated evenly, 12 bottom of liner is effectively avoided to be charred because of amount of localized heat aggregation, avoids 12 inside food materials of liner Not yet done problem improves culinary art effect；On the other hand it also avoids the distributed areas of heating tube excessive, keeps its concentrated radiation region super Out 12 bottom wall of liner and lead to wasted heat, waste of energy.In addition, since 12 bottom wall of liner is heated evenly, and then also effectively keep away Exempt from the big calorimetric of 12 congregate of liner, and cause component temperature rise around excessively high, heat occur melts or damage, and improves cooking apparatus Security performance.

In one embodiment of the utility model, it is preferable that liner 12 includes bottom wall, side wall and changeover portion, changeover portion It is connected bottom wall and side wall, and the section of the centerline direction for crossing liner 12 of changeover portion is arc-shaped, the arc is by multi-section circular arc head Tail is connected.

In this embodiment, the structure of liner 12 is specifically defined, including bottom wall, side wall and the mistake for being connected bottom wall and side wall Section is crossed, the section of the centerline direction for crossing liner 12 of changeover portion is formed by multi-section circular arc head and the tail, on the one hand facilitates liner 12 Production and processing, it is conveniently stripped, on the other hand compared with the changeover portion only formed by one section of circular arc, the outer of 12 bottom wall of liner can be increased The area on surface, and then increase the heating surface area of liner 12, avoids the occurrence of that 12 bottom of liner is charred and internal food materials are not yet done shows As improving culinary art effect.

Furthermore it is preferred that cooking apparatus is electric cooker or electric pressure cooking saucepan.

In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, It can be and be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be Concrete meaning.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of cooking apparatus characterized by comprising

Liner, the liner are glass inner bag or ceramic liner, and the outer surface of the bottom wall of the liner has the first arc of indent Shape face, the liner is for placing on the heating；With

The heating device, upper surface are the second convex arcwall face；

Wherein, the curvature of first arcwall face is greater than the curvature of second arcwall face.

2. cooking apparatus according to claim 1, which is characterized in that

Maximum spacing under the unheated state of the heating device, between first arcwall face and second arcwall face Range be 0.1mm to 3mm.

3. cooking apparatus according to claim 2, which is characterized in that

The range of maximum spacing between first arcwall face and second arcwall face is 0.15mm to 0.2mm.

4. cooking apparatus according to any one of claim 1 to 3, which is characterized in that

First arcwall face and second arcwall face are spherical, and the radius of first arcwall face is less than second arc The radius in shape face.

5. cooking apparatus according to claim 4, which is characterized in that

The radius of the radius of first arcwall face and second arcwall face is positively correlated.

6. cooking apparatus according to claim 4, which is characterized in that

The range of the radius of first arcwall face is 400mm to 900mm；And/or

The range of the radius of second arcwall face is 450mm to 950mm.

7. cooking apparatus according to any one of claim 1 to 3, which is characterized in that

When the liner is placed in the horizontal plane, using the horizontal plane as benchmark face, first arcwall face and the benchmark The range of maximum spacing H between face is 0.1mm to 5mm.

8. cooking apparatus according to any one of claim 1 to 3, which is characterized in that

The heating device includes the heat-conducting layer positioned at upper surface, and the area of the heat-conducting layer is greater than or equal to the bottom of the liner The area of the outer surface of wall；And/or

The heat-conducting layer is aluminum metal layer.

9. cooking apparatus according to any one of claim 1 to 3, which is characterized in that

The heating device includes heating tube, and the heating tube, and institute is completely covered in the projection of the liner in the vertical direction The outer edge and the spacing range of the heating tube in the horizontal direction for stating the bottom wall of liner are greater than or equal to 6mm.

10. cooking apparatus according to any one of claim 1 to 3, which is characterized in that

The liner includes the bottom wall, side wall and changeover portion, and the changeover portion is connected the bottom wall and the side wall, and described The section of the centerline direction of the excessively described liner of changeover portion is arc-shaped, which is joined end to end by multi-section circular arc.