CN208114482U - Interior pot, electric cooker and electric pressure cooking saucepan - Google Patents

Abstract

The utility model discloses pot, electric cooker and electric pressure cooking saucepans in one kind.The interior pot is the revolving body with upper opening for being rotated around center axis thereof by pot wall and being formed, the pot wall include be located at the upper opening at and outwardly extending flange, the flange has protrusion relative to the pot wall, wherein, overall thickness T1 >=4mm of the flange, thickness T2 >=2mm of the protrusion.Interior pot according to the present utility model can improve the leakproofness and stability when culinary art.

Description

Interior pot, electric cooker and electric pressure cooking saucepan

Technical field

The utility model relates to cooking apparatus technical fields, more particularly to interior pot, electric cooker and electric pressure cooking saucepan.

Background technique

The interior pot of more commonly used cooking apparatus is due to the limitation of its shape in average family at present, so that when interior pot is placed on Do not have good locating effect when in cooking apparatus generally, so that stability is poor, the application expectation proposes a kind of with more Interior pot, electric cooker and the electric pressure cooking saucepan of good leakproofness and stability, at least to be partially solved issue noted above.

Utility model content

A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part It is further described.The utility model content part of the utility model is not meant to attempt to limit claimed The key feature and essential features of technical solution, do not mean that the protection for attempting to determine technical solution claimed more Range.

In order at least be partially solved the above problem, on the one hand the utility model discloses pot in one kind, the interior pot is The revolving body with upper opening for being rotated around center axis thereof by pot wall and being formed, the pot wall include being located at the top to open At mouthful and outwardly extending flange, the flange have protrusion relative to the pot wall, wherein the overall thickness T1 of the flange >=4mm, thickness T2 >=2mm of the protrusion.

On the one hand interior pot according to the present utility model can be enhanced by being arranged the overall thickness of flange in above range The intensity of flange, can increase the contact area of the lid of interior pot and cooking apparatus on the other hand, to enhance cooking apparatus Sealing performance.In addition, the program can improve the polarization of interior pot by being arranged the thickness of protrusion in above range Energy.

Preferably, the top of the pot wall is straight wall, and the lower part of the pot wall is arcwall, and the arcwall is connected to institute Straight wall is stated, the height H1 of the straight wall meets the following conditions：1/3 < H1/H < 0.65, wherein H is the height of the inner cavity of the interior pot Degree.

Preferably, the straight wall is parallel with the central axis of the interior pot or the α that has a certain degree.

Preferably, the value range of the angle [alpha] is 0 °≤α≤30 °.

Preferably, the value range of the angle [alpha] is 0 °≤α≤15 °.

Preferably, the interior pot bottom includes planar substrates, and the diameter D1 of the planar substrates meets：10mm≤D1≤ 0.5D, wherein D is the internal diameter of the upper opening.

Preferably, when the capacity Q of the interior pot meets：When 4 liters of Q≤6 liter <, the internal diameter D of the upper opening meets： 240mm≤D≤280mm。

A kind of electric cooker is also disclosed in the utility model comprising：Cooker body is provided with interior pot, the interior pot in the cooker body The revolving body with upper opening formed to be rotated by pot wall around center axis thereof, the pot wall include being located at the top Opening and outwardly extending flange, the flange have protrusion relative to the pot wall, wherein the overall thickness of the flange T1 >=4mm, thickness T2 >=2mm of the protrusion；Lid, the lid can be opened and closed to be set on the cooker body, and energy It is enough to constitute cooking space between the lid and the interior pot；And heating device, the heating device are arranged described interior The bottom of pot, for heating the interior pot.

Electric cooker according to the present utility model, by being arranged the overall thickness of the flange of interior pot in above range, on the one hand The intensity of flange can be enhanced, the contact area of the lid of interior pot and electric cooker can be increased on the other hand, to enhance electricity The sealing performance of rice cooker.In addition, the program can improve the positioning of interior pot by being arranged the thickness of protrusion in above range Performance.

Preferably, the size of the interior pot meets the following conditions：2 D/H≤3 <, wherein D is the interior of the upper opening Diameter, H are the height of the inner cavity of the interior pot.

Preferably, when the capacity Q of the interior pot meets Q≤4 liter, the size of the interior pot meets：2.1 < D/H < 2.8。

Preferably, the top of the pot wall is straight wall, and the lower part of the pot wall is arcwall, and the arcwall is connected to institute Straight wall is stated, the height H1 of the straight wall meets：0.45 < H1/H < 0.55.

Preferably, the top of the pot wall is straight wall, and the lower part of the pot wall is arcwall, and the arcwall is connected to institute Straight wall is stated, the height H1 of the straight wall meets the following conditions：1/3 < H1/H < 0.65.

Preferably, the junction of the arcwall and the straight wall sets transition circle corner, the interior table in the transition circle corner Radius surface R meets：R≤15mm.

Preferably, the straight wall is parallel with the central axis of the interior pot or the α that has a certain degree.

Preferably, the value range of the angle [alpha] is 0 °≤α≤30 °.

Preferably, the value range of the angle [alpha] is 0 °≤α≤15 °.

Preferably, the flange includes the turn-up portion formed by pot wall outward bending and the increasing on the downside of the turn-up portion Thick ring.

Preferably, the flange includes the first annular part being enclosed on the upper opening.

Preferably, the flange is made of the second annular element being connected on the upper opening.

Preferably, the pot wall with a thickness of T3, the height H2 of the flange meets：T3≤H2≤H1.

Preferably, the interior pot bottom includes planar substrates, and the diameter D1 of the planar substrates meets：10mm≤D1≤ 0.5D, wherein D is the internal diameter of the upper opening.

Preferably, when the capacity Q of the interior pot meets：When 4 liters of Q≤6 liter <, the internal diameter D of the upper opening meets： 240mm≤D≤280mm。

A kind of electric pressure cooking saucepan is also disclosed in the utility model comprising：Cooker body, is provided with interior pot in the cooker body, it is described in The revolving body with upper opening that pot is formed to be rotated by pot wall around center axis thereof, the pot wall include being located on described Portion's opening and outwardly extending flange, the flange have protrusion relative to the pot wall, wherein the total thickness of the flange T1 >=4mm, thickness T2 >=2mm of the protrusion are spent, also, is provided with cooker body fastening structure in the cooker body；Lid, it is described Lid engaging support mechanism is provided on lid, the lid is interlocked by the lid engaging support mechanism and the cooker body fastening structure And can be opened and closed to be set on the cooker body, when the cover cap closes in the cooker body, in the lid and described interior Cooking space is constituted between pot；And the bottom of the interior pot is arranged in heating device, the heating device, it is described for heating Interior pot.

Electric pressure cooking saucepan according to the present utility model, by being arranged the overall thickness of the flange of interior pot in above range, a side The intensity of flange can be enhanced in face, can increase the contact area of the lid of interior pot and electric pressure cooking saucepan on the other hand, to increase The sealing performance of forceful electric power pressure cooker.In addition, the program can improve interior pot by being arranged the thickness of protrusion in above range Positioning performance.

Preferably, the size of the interior pot meets the following conditions：2 D/H≤3 <, wherein D is the interior of the upper opening Diameter, H are the height of the inner cavity of the interior pot.

Preferably, when the capacity Q of the interior pot meets Q≤4 liter, the size of the interior pot meets：2.1 < D/H < 2.8。

Preferably, the top of the pot wall is straight wall, and the lower part of the pot wall is arcwall, and the arcwall is connected to institute Straight wall is stated, the height H1 of the straight wall meets：0.45 < H1/H < 0.55.

Preferably, the top of the pot wall is straight wall, and the lower part of the pot wall is arcwall, and the arcwall is connected to institute Straight wall is stated, the height H1 of the straight wall meets the following conditions：1/3 < H1/H < 0.65.

Preferably, the junction of the arcwall and the straight wall sets transition circle corner, the interior table in the transition circle corner Radius surface R meets：R≤15mm.

Preferably, the straight wall is parallel with the central axis of the interior pot or the α that has a certain degree.

Preferably, the value range of the angle [alpha] is 0 °≤α≤30 °.

Preferably, the value range of the angle [alpha] is 0 °≤α≤15 °.

Preferably, the flange includes the turn-up portion formed by pot wall outward bending and the increasing on the downside of the turn-up portion Thick ring.

Preferably, the flange includes the first annular part being enclosed on the upper opening.

Preferably, the flange is made of the second annular element being connected on the upper opening.

Preferably, the pot wall with a thickness of T3, the height H2 of the flange meets：T3≤H2≤H1.

Preferably, the interior pot bottom includes planar substrates, and the diameter D1 of the planar substrates meets：10mm≤D1≤ 0.5D, wherein D is the internal diameter of the upper opening.

Preferably, when the capacity Q of the interior pot meets：When 4 liters of Q≤6 liter <, the internal diameter D of the upper opening meets： 240mm≤D≤280mm。

Detailed description of the invention

The following drawings of the utility model embodiment is originally practical new for understanding in this as a part of the utility model Type.Shown in the drawings of the embodiments of the present invention and its description, for explaining the principles of the present invention.In the accompanying drawings,

Fig. 1 is the schematic cross-section according to the interior pot of a preferred embodiment of the utility model；

Fig. 2 is the schematic cross-section according to the interior pot of another preferred embodiment of the utility model；

Fig. 3 is the schematic cross-section according to the interior pot of another preferred embodiment of the utility model；

Fig. 4 is the schematic top plan view according to the interior pot of preferred embodiments of the present invention；

Fig. 5 is another schematic cross-section of interior pot shown in Fig. 1；

Fig. 6 is the partial enlargement diagram of a preferred embodiment of the part A in Fig. 5；

Fig. 7 is the partial enlargement diagram of another preferred embodiment of the part A in Fig. 5；

Fig. 8 is the partial enlargement diagram of another preferred embodiment of the part A in Fig. 5；And

Fig. 9 is the perspective view according to the electric cooker of preferred embodiments of the present invention.

Specific embodiment

In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model Solution.It will be apparent, however, to one skilled in the art that the utility model embodiment may not need one or more These details and be carried out.In other examples, in order to avoid obscuring with the utility model embodiment, for ability Some technical characteristics well known to domain are not described.

In order to thoroughly understand the utility model embodiment, detailed structure will be proposed in following description.Obviously, this reality The specific details that those skilled in the art is familiar with are not limited to the execution of new embodiment.The utility model it is preferable Embodiment is described in detail as follows, however other than these detailed descriptions, the utility model can also have other embodiments.

Hereinafter, the interior pot to preferred embodiment according to the present utility model is described in detail.

As shown in Figure 1, interior pot 130 according to the present utility model includes pot wall 132, pot wall 132 can be made of metal material, Interior pot 130 is the revolving body formed by pot wall 132 around center axis thereof.Pot wall 132 has circular upper opening 131.Interior pot 130 capacity Q is usually at 6 liters hereinafter, the capacity of pot 130 can be 5 liters or 4 liters in.The size of interior pot 130 meet with Lower condition：

2 D/H≤3 <,

Wherein, D is the internal diameter of the upper opening 131 of pot wall 132, and H is the height of the inner cavity of interior pot 130.For example, at one In embodiment, D/H can be 2.5 or 3.The program is by by the cavity heights H of the internal diameter D of upper opening 131 and interior pot 130 Ratio setting within the above range, the upper opening 131 of interior pot 130 can be made wider, and make the height of interior pot 130 relatively It is low, to can effectively reduce the thickness of food materials in interior pot 130, and the heating surface area of interior pot 130, Jin Erke can be effectively increased So that food materials thermally equivalent, when especially the liquid inside in pot not yet boils.

It continues to refer to figure 1, in the longitudinal section of central axis for passing through interior pot 130 (section i.e. shown in FIG. 1), pot wall 132 top is straight wall 133, and the centerline axis parallel of the straight wall and interior pot, the lower part of pot wall 132 is arcwall 134, that is, It says, the top of pot wall 132 is generally cylindrical, and the lower part of pot wall 132 is substantially hemispherical.Upper opening 131 is located at straight wall 133 Top, arcwall 134 is connected to the lower section of straight wall 133.The maximum inner diameter of the cross section of arcwall 134 and the cross of straight wall 133 The internal diameter in section is equal and is equal to the internal diameter D of upper opening 131.

Further, it continues to refer to figure 1, the junction of arcwall 134 and straight wall 133 is equipped with transition circle corner 138, the transition The inner surface radius R of fillet part 138 meets：R≤15mm.Such as the radius R in transition circle corner can be 12mm or 13mm etc..It should Scheme is easy to process, and cost is relatively low, so as to the commercialization of real implementation.

In another embodiment, as shown in Fig. 2, straight wall 133 can not also with the centerline axis parallel of interior pot 130, But have a certain degree α with the central axis of interior pot 130, it is preferable that the value range of angle [alpha] is 0 °≤α≤30 °.Into one Preferably, the value range of angle [alpha] is 0 °≤α≤15 ° to step.

In yet another embodiment, as shown in figure 3, pass through interior pot 130 central axis longitudinal section in (i.e. Fig. 3 Shown in section), the generally arcwall of pot wall 132, without include above embodiment in straight wall.The program can be in order to interior The manufacture of pot, and the heating effect of interior pot can be made more preferable.

Referring back to Fig. 1, the height H1 of the straight wall 133 of pot wall 132 meets：1/3 < H1/H < 0.65, such as H1/H can be with It is 0.4 or 0.45 etc..The program can suitably increase the height of the arcwall 134 of lower section, so as to increase the heating of interior pot 130 Area, and then food materials thermally equivalent can be made.

In a preferred embodiment, capacity Q≤4 liter of interior pot 130, and the size of interior pot 130 meets：2.1 < D/H < 2.8, such as D/H can be 2.5 or 2.6 etc., to can effectively reduce the thickness of food materials in interior pot 130, and can effectively increase Add the heating surface area of interior pot 130, and then food materials thermally equivalent can be made.It is further preferred that the height H1 of straight wall 133 meets： 0.45 < H1/H < 0.55, such as H1/H can be 0.5.

In another preferred embodiment, the capacity Q of interior pot meets：4 liters of Q≤6 liter <, and the internal diameter D of upper opening 131 is full Foot：240mm≤D≤280mm.For example, D can be 260mm or 270mm etc..

In order to meet the stability of interior pot, prevent interior pot from toppling over, as Figure 1-Figure 4, it is preferable that interior 130 bottom of pot tool There are circular planar substrates 135, which is arranged in the bottom of arcwall 134.It is further preferred that planar substrates 135 diameter D1 meets：10mm≤D1≤0.5D, the program can further keep the stability of interior pot 130.

Referring to Fig. 5, pot wall 132 include be located at upper opening 131 at and outwardly extending flange 136.Preferably, flange 136 are continuously provided along circumferential direction, and the program can increase the intensity of flange 136 convenient for manufacture, additionally can be convenient User is picked up interior pot 130 by holding the flange 136.

Preferably, overall thickness T1 >=4mm of flange 136, such as 136 overall thickness T1 of flange can be 5mm or 6mm Deng, the program can the cover cap of such as cooking apparatus such as electric cooker, electric pressure cooking saucepan close increase when in cooker body lid with should The contact area of flange 136, to enhance the sealing performance of cooking apparatus.

With continued reference to Fig. 5, flange 136 has the protrusion 137 to extend radially outwardly relative to pot wall 132, it is preferable that convex Thickness T2 >=the 2mm in portion 137 out.For example, the thickness T2 of protrusion 137 can be 3mm or 3.5mm etc..The program can increase Stability when interior pot 130 is placed in cooker body.

Preferably, the height H2 of flange 136 is (as shown in Figure 1) meets：Thickness T3≤H2≤H1 of pot wall 132.The program The intensity of flange 136 can be enhanced.

Flange can also have other structures other than it can be configured to structure as shown in Figure 5, hereafter will be right respectively It is briefly described.

In a preferred embodiment, as shown in fig. 6, flange 236 includes the flange formed by 232 outward bending of pot wall Portion 233 and ring 234 is thickened set on the downside of turn-up portion 233.It thickens ring 234 and can be connected to by the modes such as welding or cast and turned over 233 downside of edge.

In another preferred embodiment, as shown in fig. 7, flange 336 includes first annular part 337, first annular part 337 are arranged at upper opening and surround pot wall 332 in the outside of pot wall 332.The first annular part 337 can be soldered to pot wall 332。

In yet another preferred embodiment, as shown in figure 8, flange 436 is made of the second annular element 437, the second annular Part 437 is connected to pot wall 432 above upper opening.Second annular element 437 can be soldered to pot wall 432.

As shown in figure 9, electric cooker 100 includes lid 110,120 and of cooker body the invention also discloses a kind of electric cooker Interior pot 130 as described above.The substantially rounded cuboid of cooker body 120 or cylindrical shape, and its inside has cylindrical shape The insulation cover of shape, interior pot 130 can freely be put into insulation cover or take out from insulation cover, to facilitate the cleaning of internal pot 130. It include the heating device for heating interior pot 130, the bottom of pot 130 including which can be set, heating in cooker body 120 Device can be for such as electric hot tray or electromagnetic induction heating.In other embodiments, including heating device also can be set The side of pot 130.It is additionally provided with temperature measuring equipment in cooker body 120, for sensing the temperature of interior pot 130.

The substantially rounded rectangular shape of lid 110, and essentially corresponded to the shape of cooker body 120.Lid 110 with Openable and closable mode is pivotally connected to cooker body 120, closes cooker body 120 for covering.When the lid of lid 110 closes in cooker body 120, lid Cooking space is constituted between 110 and interior pot 130.

The invention also discloses a kind of electric pressure cooking saucepan, the structure class of the structure of the electric pressure cooking saucepan and above-mentioned electric cooker It seemingly, also include cooker body, lid and interior pot 130 as described above.Wherein, cooker body is further typically provided in the cooker body of electric pressure cooking saucepan Fastening structure is provided with the lid engaging support mechanism with the cooperation of cooker body fastening structure on lid.Lid can pass through lid engaging support mechanism It is interlocked and the lid that can be opened and closed closes on cooker body with cooker body fastening structure, when cover cap closes in cooker body, in lid and interior Closed cooking space is constituted between pot.

Since the other structures of electric cooker and electric pressure cooking saucepan are known in the art, for sake of simplicity, herein no longer in detail Description.

Unless otherwise defined, the technology of technical and scientific term used herein and the technical field of the utility model The normally understood meaning of personnel is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limit The utility model processed.Terms such as herein presented " components " can both indicate single part, can also indicate multiple The combination of part.The terms such as herein presented " installation ", " setting " can both indicate that a component was attached directly to separately One component can also indicate that a component is attached to another component by middleware.Herein in one embodiment The feature of description can be applied in combination another embodiment individually or with other feature, unless this feature is another at this It is not suitable for or is otherwise noted in a embodiment.

The utility model is illustrated by above embodiment, but it is to be understood that, above embodiment It is only intended to the purpose illustrated and illustrated, and is not intended to limit the invention within the scope of described embodiment.This Field technical staff it is understood that introduction according to the present utility model can also make more kinds of variants and modifications, this A little variants and modifications are all fallen within the utility model range claimed.

Claims (37)

1. pot in one kind, which is characterized in that the interior pot is to be rotated by pot wall around center axis thereof and what is formed opens with top Mouthful revolving body, the pot wall include be located at the upper opening at and outwardly extending flange, the flange is relative to described Pot wall has protrusion, wherein overall thickness T1 >=4mm of the flange, thickness T2 >=2mm of the protrusion.

2. interior pot according to claim 1, which is characterized in that the top of the pot wall is straight wall, the lower part of the pot wall For arcwall, the arcwall is connected to the straight wall, and the height H1 of the straight wall meets the following conditions：

1/3 < H1/H < 0.65,

Wherein H is the height of the inner cavity of the interior pot.

3. interior pot according to claim 2, which is characterized in that the straight wall it is parallel with the central axis of the interior pot or Have a certain degree α.

4. interior pot according to claim 3, which is characterized in that the value range of the angle [alpha] is 0 °≤α≤30 °.

5. interior pot according to claim 4, which is characterized in that the value range of the angle [alpha] is 0 °≤α≤15 °.

6. interior pot according to claim 1, which is characterized in that the interior pot bottom includes planar substrates, the plane base The diameter D1 at bottom meets：10mm≤D1≤0.5D, wherein D is the internal diameter of the upper opening.

7. interior pot according to claim 1, which is characterized in that when the capacity Q of the interior pot meets：When 4 liters of Q≤6 liter <, The internal diameter D of the upper opening meets：240mm≤D≤280mm.

8. a kind of electric cooker, which is characterized in that including：

Cooker body, is provided with interior pot in the cooker body, and the interior pot is to be rotated by pot wall around center axis thereof and having for being formed is upper Portion opening revolving body, the pot wall include be located at the upper opening at and outwardly extending flange, the flange relative to The pot wall has protrusion, wherein overall thickness T1 >=4mm of the flange, thickness T2 >=2mm of the protrusion；

Lid, the lid can be opened and closed to be set on the cooker body, and can between the lid and the interior pot structure At cooking space；And

The bottom of the interior pot is arranged in heating device, the heating device, for heating the interior pot.

9. electric cooker according to claim 8, which is characterized in that the size of the interior pot meets the following conditions：

2 D/H≤3 <,

Wherein D is the internal diameter of the upper opening, and H is the height of the inner cavity of the interior pot.

10. electric cooker according to claim 9, which is characterized in that when the capacity Q of the interior pot meets Q≤4 liter, institute The size for stating interior pot meets：2.1 < D/H < 2.8.

11. electric cooker according to claim 10, which is characterized in that the top of the pot wall is straight wall, the pot wall Lower part is arcwall, and the arcwall is connected to the straight wall, and the height H1 of the straight wall meets：0.45 < H1/H < 0.55.

12. electric cooker according to claim 9, which is characterized in that the top of the pot wall is straight wall, under the pot wall Portion is arcwall, and the arcwall is connected to the straight wall, and the height H1 of the straight wall meets the following conditions：1/3 < H1/H < 0.65。

13. electric cooker according to claim 12, which is characterized in that the junction of the arcwall and the straight wall was set Fillet part is crossed, the inner surface radius R in the transition circle corner meets：R≤15mm.

14. electric cooker according to claim 12, which is characterized in that the straight wall is equal with the central axis of the interior pot The capable or α that has a certain degree.

15. electric cooker according to claim 14, which is characterized in that the value range of the angle [alpha] is 0 °≤α≤30 °.

16. electric cooker according to claim 15, which is characterized in that the value range of the angle [alpha] is 0 °≤α≤15 °.

17. electric cooker according to claim 8, which is characterized in that the flange includes being formed by pot wall outward bending Turn-up portion and ring is thickened on the downside of the turn-up portion.

18. electric cooker according to claim 8, which is characterized in that the flange is enclosed on the upper opening First annular part.

19. electric cooker according to claim 8, which is characterized in that the flange is by being connected on the upper opening Second annular element is constituted.

20. electric cooker according to claim 12, which is characterized in that the pot wall with a thickness of T3, the height of the flange H2 is spent to meet：T3≤H2≤H1.

21. electric cooker according to claim 8, which is characterized in that the interior pot bottom includes planar substrates, the plane The diameter D1 of substrate meets：10mm≤D1≤0.5D, wherein D is the internal diameter of the upper opening.

22. electric cooker according to claim 8, which is characterized in that when the capacity Q of the interior pot meets：4 liters of Q≤6 liter < When, the internal diameter D of the upper opening meets：240mm≤D≤280mm.

23. a kind of electric pressure cooking saucepan, which is characterized in that including：

Cooker body, is provided with interior pot in the cooker body, and the interior pot is to be rotated by pot wall around center axis thereof and having for being formed is upper Portion opening revolving body, the pot wall include be located at the upper opening at and outwardly extending flange, the flange relative to The pot wall has protrusion, wherein overall thickness T1 >=4mm of the flange, thickness T2 >=2mm of the protrusion, also, Cooker body fastening structure is provided in the cooker body；

Lid is provided with lid engaging support mechanism on the lid, and the lid passes through the lid engaging support mechanism and the cooker body Fastening structure is interlocked and can be opened and closed to be set on the cooker body, when the cover cap closes in the cooker body, in institute It states and constitutes cooking space between lid and the interior pot；And

The bottom of the interior pot is arranged in heating device, the heating device, for heating the interior pot.

24. electric pressure cooking saucepan according to claim 23, which is characterized in that the size of the interior pot meets the following conditions：

2 D/H≤3 <,

Wherein D is the internal diameter of the upper opening, and H is the height of the inner cavity of the interior pot.

25. electric pressure cooking saucepan according to claim 24, which is characterized in that when the capacity Q of the interior pot meets Q≤4 liter, The size of the interior pot meets：2.1 < D/H < 2.8.

26. electric pressure cooking saucepan according to claim 25, which is characterized in that the top of the pot wall is straight wall, the pot wall Lower part be arcwall, the arcwall is connected to the straight wall, and the height H1 of the straight wall meets：0.45 < H1/H < 0.55。

27. electric pressure cooking saucepan according to claim 24, which is characterized in that the top of the pot wall is straight wall, the pot wall Lower part be arcwall, the arcwall is connected to the straight wall, and the height H1 of the straight wall meets the following conditions：1/3 < H1/ H < 0.65.

28. electric pressure cooking saucepan according to claim 27, which is characterized in that the arcwall and the junction of the straight wall are set The inner surface radius R in transition circle corner, the transition circle corner meets：R≤15mm.

29. electric pressure cooking saucepan according to claim 27, which is characterized in that the central axis phase of the straight wall and the interior pot The parallel or α that has a certain degree.

30. electric pressure cooking saucepan according to claim 29, which is characterized in that the value range of the angle [alpha] be 0 °≤α≤ 30°。

31. electric pressure cooking saucepan according to claim 30, which is characterized in that the value range of the angle [alpha] be 0 °≤α≤ 15°。

32. electric pressure cooking saucepan according to claim 23, which is characterized in that the flange includes being formed by pot wall outward bending Turn-up portion and thicken ring on the downside of the turn-up portion.

33. electric pressure cooking saucepan according to claim 23, which is characterized in that the flange is enclosed in the upper opening On first annular part.

34. electric pressure cooking saucepan according to claim 23, which is characterized in that the flange is by being connected on the upper opening The second annular element constitute.

35. electric pressure cooking saucepan according to claim 27, which is characterized in that the pot wall with a thickness of T3, the flange Height H2 meets：T3≤H2≤H1.

36. electric pressure cooking saucepan according to claim 23, which is characterized in that the interior pot bottom includes planar substrates, described The diameter D1 of planar substrates meets：10mm≤D1≤0.5D, wherein D is the internal diameter of the upper opening.

37. electric pressure cooking saucepan according to claim 23, which is characterized in that when the capacity Q of the interior pot meets：4 liters of < Q≤ At 6 liters, the internal diameter D of the upper opening meets：240mm≤D≤280mm.