CN204427657U - Pressure cooker - Google Patents

Abstract

The utility model discloses a kind of pressure cooker, comprise: interior pot, outer pot and pot cover component, interior pot comprises the first body and the second body that are connected up and down, the cross-sectional area of first body is greater than the cross-sectional area of the second body, outer pot is located at outside interior pot, the diapire of outer pot extends towards the direction of the second body and is supported on the diapire of first body, pot cover component comprises the enclosing cover being located at outer pot top and the inner cap being located at interior pot top, inner cap is located in enclosing cover, and be provided with elastic construction between enclosing cover and inner cap, the pressure that elastic construction is configured in pressure cooker is out of shape higher than elastic construction during preset pressure to guide inner cap to move towards the direction of enclosing cover.According to pressure cooker of the present utility model, because interior pot is formed as stairstepping, thus outer pot can be supported on the cascaded surface of interior pot, conveniently pick and place interior pot thus, and the culinary art demand of small component food materials can be realized, in addition, steaming tray directly can also be placed on the cascaded surface in interior pot, thus improve the stressed of steaming tray.

Description

Pressure cooker

Technical field

The utility model relates to pressure cooker apparatus field, especially relates to a kind of pressure cooker.

Background technology

Point out in correlation technique, the pressure cooker adopting Electromagnetic Heating mode is substantially all rigid structure, and when the pressure anomaly in pressure cooker raises, the danger of easily blasting, exists potential safety hazard.Other adopt the bottom of the pressure cooker of Electromagnetic Heating mode to be provided with elastic mechanism, when the pressure in pot raises, interior pot can be separated with the junction surface of pot cover with outer pot under the effect of elastic mechanism, thus reduces the pressure in pot, but, this elastic mechanism parts are many, and assembling is complicated, and efficiency of assembling is low, and be arranged on the below of interior pot due to coil panel, when interior pot moves, the distance between interior pot and coil panel can change, thus makes the heating power of pressure cooker unstable.In addition, pressure cooker in correlation technique adopts outside pot along the mode supporting interior pot pot edge, realize the support of the internal pot of outer pot, but this supporting way will cause interior pot to be difficult to take out from outer pot, be not easy to user use, and the interior pot size in correlation technique is general comparatively large, be difficult to the demand meeting culinary art small component food materials.

Utility model content

The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model is to propose a kind of pressure cooker, and described pressure cooker is easy to use, security is high.

According to pressure cooker of the present utility model, comprising: interior pot, described interior pot comprises the first body and the second body that are connected up and down, and the cross-sectional area of described first body is greater than the cross-sectional area of described second body; Outer pot, described outer pot is located at outside described interior pot, and the diapire of described outer pot extends towards the direction of described second body and is supported on the diapire of described first body; And pot cover component, described pot cover component comprises the enclosing cover being located at described outer pot top and the inner cap being located at described interior pot top, described inner cap is located in described enclosing cover, and being provided with elastic construction between described enclosing cover and described inner cap, the pressure that described elastic construction is configured in described pressure cooker is out of shape higher than elastic construction described during preset pressure to guide described inner cap to move towards the direction of described enclosing cover.

According to pressure cooker of the present utility model, because interior pot is formed as stairstepping, thus outer pot can be supported on the cascaded surface of interior pot, conveniently pick and place interior pot thus, and, because interior pot is formed as stairstepping, thus steaming tray directly can be placed on the cascaded surface in interior pot, thus improve forced position and the service life of steaming tray.In addition, because interior pot is formed as stairstepping, thus the culinary art demand of small component food materials can be realized.

Particularly, described elastic construction comprises: support rim, and described support rim is located on the roof of described enclosing cover; Flexible member, described flexible member is connected to the bottom of described support rim; And support column, described support column to be located between described flexible member and described inner cap and to be spaced apart from each other in the horizontal with described support rim.

Particularly, described support rim is two and described two support rims are located at the two ends of the length direction of described flexible member respectively, and described support column is between described two support columns.

Particularly, described pressure cooker comprises further: gripper shoe, and described gripper shoe is located at the top of described inner cap, and described support column is located in described gripper shoe.

Particularly, described inner cap is removably connected to described gripper shoe.

Particularly, described pressure cooker comprises further: heating plate, and it is outer and be rigidly connected to described outer pot that described heating plate is located at described interior pot.

Particularly, described heating plate and described outer pot are rigidly connected by threaded fastener.

Particularly, the top of described interior pot has the first pot edge outwards routed up, and the top of described outer pot has the second pot edge outwards routed up, described first pot edge and described second pot edge in the vertical direction spaced apart.

Particularly, described interior pot is provided with handle, and the top of described outer pot is formed recessed dodges hole downwards, dodges in hole described in described handle is located at.

Particularly, described flexible member is bridge-type diaphragm or silica gel piece.

Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the pressure cooker according to the utility model embodiment;

Fig. 2 is the part sectioned view along A-A line in Fig. 1.

Reference numeral:

100: pressure cooker; 101: cooking cavity;

1: interior pot; 11: first body; 111: diapire;

12: the second bodies; 13: the first pot edges; 14: handle;

2: outer pot; 21: diapire; 22: the second pot edges; 23: dodge hole; 24: flange; 241: the first installing holes;

3: pot cover component; 31: enclosing cover; 311: outer cover rim; 312: support rim;

32: inner cap; 321: sealing ring;

33: gripper shoe; 331: support column;

34: flexible member;

4: heating plate; 41: coil brace; 411: the second installing holes; 42: heat coil.

Detailed description of the invention

Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.

Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.

Below with reference to Fig. 1 and Fig. 2, the pressure cooker 100 according to the utility model embodiment is described.

As shown in Figure 1, according to the pressure cooker 100 of the utility model embodiment, comprising: interior pot 1, outer pot 2 and pot cover component 3.

Particularly, interior pot 1 comprises the first body 11 and the second body 12 that are connected up and down, with reference to Fig. 1, first body 11 and the second body 12 are formed as cylinder barrel shaped all substantially, thus in the vertical direction, the cross sectional dimensions of first body 11 is substantially identical, the cross sectional dimensions of the second body 12 is also substantially identical, wherein, the cross-sectional area of first body 11 is greater than the cross-sectional area of the second body 12, the bottom of the second body 12 is sealed by the diapire of the second body 12, the diapire 111 of first body 11 is formed with the opening identical with the second body 12 cross sectional dimensions, the upper end of the second body 12 is connected with the edge of opening, thus first body 11 and the second body 12 form the step pot body opened wide at top jointly.

Preferably, in the vertical direction, the vertical height being vertically highly equal to or slightly less than the second body 12 of first body 11, like this, when user is when using pressure cooker 100, steaming tray directly can be placed on the diapire 111 of the first body 11 in interior pot 1, thus improve stressed bad, the problem that structural strength is poor that steaming tray in correlation technique supported by its edge, improve service life and the safety in utilization of steaming tray, and be convenient to picking and placeing of steaming tray.In addition, because the cross-sectional area of the second body 12 is smaller, thus be also unlikely to only to be paved with the bottom of a pan when small component food materials are placed in interior pot 1, and then make pressure cooker 100 can meet the demand of culinary art small component food materials.

Outer pot 2 is located at outside interior pot 1, and the diapire 21 of outer pot 2 extends towards the direction of the second body 12 and is supported on the diapire 111 of first body 11.With reference to Fig. 1, outer pot 2 is formed as cylinder barrel shaped substantially, thus in the vertical direction, the cross sectional dimensions of outer pot 2 is substantially identical, the inner circumferential size of outer pot 2 can slightly larger than the peripheral dimension of first body 11, outer pot 2 is relative with first body 11 in the vertical direction and be set in outside first body 11, the diapire 21 of outer pot 2 extends towards the central axial direction of interior pot 1, to make the diapire 111 of first body 11 can be supported on the diapire 21 of outer pot 2, outer pot 2 can play by its diapire 111 effect supporting interior pot 1.

Thus, with reference to Fig. 1, when the top of interior pot 1 have outwards rout up the first pot edge 13, outer pot 2 top there is the second pot edge 22 outwards routed up time, first pot edge 13 and the second pot edge 22 can in the vertical direction spaced apart, such as, first pot edge 13 can be positioned at the top of the second pot edge 22, thus interior pot 1 can take out by gripping the first pot edge 13 by user.That is, when outer pot 2 supports interior pot 1 by its diapire 21, change the contact point of interior pot 1, by pot 1 in correlation technique by the first pot edge 13 stressed be improved to by the diapire 111 of first body 11 stressed, thus the first pot edge 13 and the second pot edge 22 are without the need to contacting, can separate between the upper and lower, thus be convenient to picking and placeing of interior pot 1, improve property easy to use.

Pot cover component 3 comprises: enclosing cover 31 and inner cap 32, the bottom-open of enclosing cover 31, and inner cap 32 is removably located in enclosing cover 31, and enclosing cover 31 is located at the top of outer pot 2, and inner cap 32 is located at the top of interior pot 1.As shown in Figure 1, enclosing cover 31 is roughly cylindrical, the bottom of enclosing cover 31 has the outer cover rim 311 that radially level extends internally, outer cover rim 311 can fasten with the second pot edge 22 of outer pot 2, inner cap 32 is located in enclosing cover 31, and be spaced apart from each other between the roof of the upper surface of inner cap 32 and enclosing cover 31, the edge of inner cap 32 is formed with the holding tank to being recessed on, sealing ring 321 can be accommodated in holding tank, after enclosing cover 31 coordinates with outer pot 2 and puts in place, interior pot 1 can with inner cap 32, sealing ring 321 limits airtight cooking cavity 101 jointly, thus food can be cooked at cooking cavity 101 inner high voltage.Here, it should be noted that, direction " interior " can be understood as the direction towards interior pot 1 central axis, and its rightabout is defined as " outward ", namely away from the direction of interior pot 1 central axis.

Be provided with elastic construction between enclosing cover 31 and inner cap 32, the pressure that elastic construction is configured to (namely in cooking cavity 101) in pressure cooker 100 is out of shape higher than elastic construction during preset pressure to guide inner cap 32 to move towards the direction of enclosing cover 31.It should be noted that, " preset pressure " can be understood as pressure cooker 100 normally culinary art time cooking cavity 101 in upper limit of pressure value.With reference to Fig. 1, elastic construction is located between the roof of enclosing cover 31 and the upper surface of inner cap 32, when the pressure in cooking cavity 101 is greater than the preset pressure of pressure cooker 100, when such as, pressure anomaly in cooking cavity 101 raises, on elastic construction between the roof that pressure in cooking cavity 101 acts on inner cap 32 and enclosing cover 31, elastic construction deforms, the inner cap 32 of below is driven to move up, inner cap 32 is made to produce displacement upwards, thus interior pot 1, inner cap 32, gap is produced between sealing ring 321, pressure in cooking cavity 101 is able to go out from this slot leakage, and then prevent pressure cooker 100 to occur the situation of blast.And the pressure in cooking cavity 101 is higher, the distance that inner cap 32 moves up is also larger, thus gap between interior pot 1, inner cap 32, sealing ring 321 is also larger, and pressure release effect is also better, thus eliminates the possibility that pressure cooker 100 explodes.

According to the pressure cooker 100 of the utility model embodiment, because interior pot 1 is formed as stairstepping, thus outer pot 2 can be supported on the cascaded surface (diapire 111 shown in Fig. 1) of interior pot 1, conveniently pick and place interior pot 1 thus, and, because interior pot 1 is formed as stairstepping, thus steaming tray directly can be placed on the cascaded surface (diapire 111 shown in Fig. 1) in interior pot 1, thus improve stress point and the structural strength of steaming tray.In addition, because interior pot 1 is formed as stairstepping, thus the culinary art demand of small component food materials can be realized.

In an embodiment of the present utility model, elastic construction comprises: support rim 312, flexible member 34 and support column 331, support rim 312 is located on the roof of enclosing cover 31, flexible member 34 is connected to the bottom of support rim 312, and support column 331 to be located between flexible member 34 and inner cap 32 and to be spaced apart from each other in the horizontal with support rim 312.Thus, be convenient to flexible member 34 and elastic deformation occurs, and only have three separate parts and support rim 312, flexible member 34 and support column 331 to form due to elastic construction, stud etc. can be adopted to link together between three parts, thus the structure of elastic construction is simple, easy for installation, efficiency of assembling is high and cost is low.Wherein, alternatively, flexible member 34 can be bridge-type diaphragm or silica gel piece etc.

Such as in the example of fig. 1 and 2, support rim 312 can be formed by direction (direction downward in the such as Fig. 2) protrusion of a part for the side surface away from inner cap 32 of enclosing cover 31 (upper surface such as shown in Fig. 2) towards inner cap 32, support column 331 can be located at the side of the contiguous enclosing cover 31 of inner cap 32 (upper surface such as shown in Fig. 2) on the surface, and support column 331 and support rim 312 are spaced from each other in the horizontal direction, flexible member 34 is flatly connected on the bottom surface of support rim 312, when the preset pressure of the pressure in cooking cavity 101 higher than pressure cooker 100, pressure in cooking cavity 101 can by inner cap 32 via support column 331 indirectly-acting on flexible member 34, make the displacement that the position of corresponding support column 331 on flexible member 34 can occur upwards relative to enclosing cover 31, while flexible member 34 moves up, drive inner cap 32 also produces displacement upwards, thus inner cap 32, sealing ring 321, gap is produced between interior pot 1, partial pressure in cooking cavity 101 can be gone out from this slot leakage.Certainly, in other example of the present utility model, support rim 312 can also become separately a part to be connected with enclosing cover 31, such as support rim 312 can by welding, to be threaded or the mode such as riveted joint is connected to the roof (scheming not shown) of enclosing cover 31.

Alternatively, support rim 312 is two and two support rims 312 are located at the two ends of the length direction of flexible member 34 respectively, and support column 331 is between two support rims 312.It should be noted that, the length direction of flexible member 34 refers to the direction of the line of two points of lie farthest away on flexible member 34 edge, such as when flexible member 34 is formed as rectangle, the direction, place, long limit of flexible member 34 is the length direction of flexible member 34, when flexible member 34 is formed as circle, the radial direction of flexible member 34 is the length direction of flexible member 34, certainly, flexible member 34 can also be formed as other shapes, repeats no more here.With reference to Fig. 2, support column 331 is roughly positioned at the center of flexible member 34, two support rims 312 are located at the both sides of support column 331 respectively and are positioned at the two ends of the length direction of flexible member 34, when the pressure anomaly in support rim 312 raises, the center of flexible member 34 can be bent upwards distortion.

Particularly, pressure cooker 100 comprises further: gripper shoe 33, and gripper shoe 33 is located at the top of inner cap 32, and support column 331 is located in gripper shoe 33.Such as in the example of fig. 1 and 2, gripper shoe 33 extends in the horizontal direction, gripper shoe 33 removably can be connected to the top of inner cap 32, and the lateral dimension of gripper shoe 33 can be roughly equal with the lateral dimension of inner cap 32, support column 331 can be located on the upper surface of gripper shoe 33, and alternatively, support column 331 vertically can extend towards the direction of enclosing cover 31 roof (such as Fig. 1 direction) upwards from a side surface of the contiguous enclosing cover 31 of gripper shoe 33 (upper surface such as shown in Fig. 1), or support column 331 also can be connected with gripper shoe 33 as an independent part.Certainly, gripper shoe 33 and inner cap 32 can also be one-body molded, as a whole parts.

Particularly, when inner cap 32 is removably connected to gripper shoe 33, the upper surface of inner cap 32 can be provided with the first joint pin (scheming not shown), the lower surface of gripper shoe 33 can be provided with the second joint pin (scheming not shown), first joint pin and the second joint pin can to being plugged together, link together to make inner cap 32 and gripper shoe 33, wherein, gripper shoe 33 can by support column 331 and flexible member 34, enclosing cover 31 is fixed together, such as, a stud can be adopted through enclosing cover 31 and flexible member 34 and be threaded togather with support column 331, thus, when enclosing cover 31, flexible member 34, gripper shoe 33, after inner cap 32 is seated, inner cap 32 namely can removably be connected on enclosing cover 31, when enclosing cover 31 is covered with outer pot 2, inner cap 32 can be pressed on the top of interior pot 1, when pot cover component 3 is taken off, can by inner cap 32 from enclosing cover 31, flexible member 34, gripper shoe 33 is pulled down, thus be convenient to the cleaning of inner cap 32.

Particularly, pressure cooker 100 comprises further: heating plate 4, and heating plate 4 is located at outside interior pot 1.With reference to Fig. 1, heating plate 4 can be formed as bowl-type substantially, heat equably with internal pot 1, preferably, heating plate 4 can comprise: coil brace 41 and heat coil 42, coil brace 41 can be similar to the shape of the second body 12, and be enclosed within outside the second body 12 outward, heat coil 42 can be coiled in the outside wall surface (comprising perisporium and diapire) of coil brace 41, when heat coil 42 works, heating plate 4 can internally heat by pot 1, and then the food in cooking cavity 101 is boiled.Certainly, the utility model is not limited thereto, and pressure cooker 100 can also adopt other heaters to heat.

Further, heating plate 4 is rigidly connected to outer pot 2, and that is, heating plate 4 is rigidly connected with outer pot 2.Thus, when outer pot 2 moves up and down, heating plate 4 also can move up and down, and be supported on outer pot 2 due to interior pot 1, thus when interior pot 1 moves down, interior pot 1 can press against outer pot 2 and move downward in the lump, and due to heating plate 4 and outer pot 2 rigidly connected, thus outer pot 2 can press against heating plate 4 moves downward in the lump, thus achieve being synchronized with the movement of interior pot 1 and heating plate 4, like this, relative distance between interior pot 1 and heating plate 4 is constant all the time, and then make the heating power of pressure cooker 100 remain stable, and heating plate 4 there will not be and interior pot 1 in the course of the work, the shock of outer pot 2 and cause damage, thus extend the service life of pressure cooker 100.

Alternatively, heating plate 4 and outer pot 2 can be rigidly connected by threaded fastener.With reference to Fig. 1, the inner edge of outer pot 2 diapire 111 can be formed with the flange 24 of turnover downwards, the upper end of coil brace 41 can be formed with recessed slot downwards, the top of slot is opened wide, flange 24 can be formed with the first installing hole 241 run through, the sidewall of slot can be formed with the second installing hole 411, the position of the first installing hole 241 and the second installing hole 411 is just right, thus can by threaded fastener (such as screw or bolt) through the first installing hole 241 and the second installing hole 411 so that outer pot 2 and coil brace 41 are fixed together.

In an embodiment of the present utility model, interior pot 1 is provided with handle 14, handle 14 horizontally outward can be extended by the periphery wall of interior pot 1 and forms, and preferably, handle 14 can be two, and be located at the both sides in interior pot 1 radial direction symmetrically, the top of outer pot 2 is formed recessed dodges hole 23 downwards, when by interior pot 1 to the in-built timing of outer pot 2, handle 14 from up to down can stretch into and dodge in hole 23, and is engaged in and dodges in hole 23.Thus, by arranging handle 14, user can pick and place interior pot 1 more easily, the experience of joyful user.

According to the pressure cooker 100 of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.

Referring to Fig. 1 and Fig. 2, the pressure cooker 100 according to the utility model embodiment is briefly described.

First outer pot 2 and heating plate 4 are rigidly connected in advance, then by the handle 14 on interior pot 1 with on outer pot 2 dodge hole about 23 just right interior pot 1 is placed in outer pot 2, when the diapire 111 of first body 11 is supported on the diapire 21 of outer pot 2, interior pot 1 is seated, thus obtain pan body assembly, then stud can be adopted to be fixed together with the support column 331 in gripper shoe 33 through enclosing cover 31 and flexible member 34 in turn, then the first joint pin and the second joint pin is adopted removably to be connected in gripper shoe 33 by the inner cap 32 snapping in sealing ring 321 in advance, thus complete the assembling of pot cover component 3.

During use, user from be about to pot cover component 3 lid be located on pan body assembly, when enclosing cover 31 fastens with outer pot 2, inner cap 32 can be sealed in the top of interior pot 1, when the pressure in cooking cavity 101 is greater than the preset pressure of pressure cooker 100, when such as, pressure anomaly in cooking cavity 101 raises, pressure in cooking cavity 101 acts on inner cap 32, inner cap 32 is jack-up gripper shoe 33 upwards, gripper shoe 33 is by the core between two support rims 312 on support column 331 jack-up flexible member 34, upwards arched upward in the center of flexible member 34 to deform, gripper shoe 33 can be driven by stud simultaneously, inner cap 32 moves up, inner cap 32 is made to produce displacement upwards, thus interior pot 1, inner cap 32, gap is produced between sealing ring 321, pressure in cooking cavity 101 is able to go out from this slot leakage, and then prevent pressure cooker 100 to occur the situation of blast.

In description of the present utility model, it will be appreciated that, term " " center ", " length ", " on ", D score, " top ", " end ", " interior ", " outward ", the orientation of the instruction such as " axis " or position relationship be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.

In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.

Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.

Claims (10)

1. a pressure cooker, is characterized in that, comprising:

Interior pot, described interior pot comprises the first body and the second body that are connected up and down, and the cross-sectional area of described first body is greater than the cross-sectional area of described second body;

Outer pot, described outer pot is located at outside described interior pot, and the diapire of described outer pot extends towards the direction of described second body and is supported on the diapire of described first body; And

Pot cover component, described pot cover component comprises the enclosing cover being located at described outer pot top and the inner cap being located at described interior pot top, described inner cap is located in described enclosing cover, and being provided with elastic construction between described enclosing cover and described inner cap, the pressure that described elastic construction is configured in described pressure cooker is out of shape higher than elastic construction described during preset pressure to guide described inner cap to move towards the direction of described enclosing cover.

2. pressure cooker according to claim 1, is characterized in that, described elastic construction comprises:

Support rim, described support rim is located on the roof of described enclosing cover;

Flexible member, described flexible member is connected to the bottom of described support rim; And

Support column, described support column to be located between described flexible member and described inner cap and to be spaced apart from each other in the horizontal with described support rim.

3. pressure cooker according to claim 2, is characterized in that, described support rim is two and described two support rims are located at the two ends of the length direction of described flexible member respectively, and described support column is between described two support columns.

4. pressure cooker according to claim 2, is characterized in that, comprises further:

Gripper shoe, described gripper shoe is located at the top of described inner cap, and described support column is located in described gripper shoe.

5. pressure cooker according to claim 4, is characterized in that, described inner cap is removably connected to described gripper shoe.

6. pressure cooker according to claim 1, is characterized in that, comprises further: heating plate, and it is outer and be rigidly connected to described outer pot that described heating plate is located at described interior pot.

7. pressure cooker according to claim 6, is characterized in that, described heating plate and described outer pot are rigidly connected by threaded fastener.

8. pressure cooker according to claim 1, is characterized in that, the top of described interior pot has the first pot edge outwards routed up, and the top of described outer pot has the second pot edge outwards routed up, described first pot edge and described second pot edge in the vertical direction spaced apart.

9. pressure cooker according to claim 1, is characterized in that, described interior pot is provided with handle, and the top of described outer pot is formed recessed dodges hole downwards, dodges in hole described in described handle is located at.

10. the pressure cooker according to any one of claim 2-5, is characterized in that, described flexible member is bridge-type diaphragm or silica gel piece.