CN203609262U - Safety electric pressure cooker with directional decompression function - Google Patents
Safety electric pressure cooker with directional decompression function Download PDFInfo
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- CN203609262U CN203609262U CN201320760230.9U CN201320760230U CN203609262U CN 203609262 U CN203609262 U CN 203609262U CN 201320760230 U CN201320760230 U CN 201320760230U CN 203609262 U CN203609262 U CN 203609262U
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- 230000006837 decompression Effects 0.000 title abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 91
- 230000002787 reinforcement Effects 0.000 claims description 90
- 238000010411 cooking Methods 0.000 claims description 35
- 238000013022 venting Methods 0.000 claims description 17
- 239000010935 stainless steel Substances 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a safety electric pressure cooker with the directional decompression function. The safety electric pressure cooker with the directional decompression function comprises a cooker body and a cooker cover, wherein an inner container is arranged in the cooker body, the cooker cover comprises an inner cover, the inner cover comprises a cover body, a sealing ring and fixing rings, the sealing ring is fixed to the cover body through the fixing rings, and the sealing ring comprises a sealing lip which is used for sealing the inner container. The safety electric pressure cooker is characterized in that the fixing rings are arranged on the outer side of the sealing lip, receding openings are formed in the positions, close to the bottom surface of the inner container, of the fixing rings, the sealing lip is pressed into the receding openings through the pressure in the safety electric pressure cooker, and the portions, on the receding openings, of the sealing lip are outwards overturned to form decompression openings. Therefore, according to the structure of the safety electric pressure cooker, the safety electric pressure cooker has both the advantage of safe decompression and the advantage of the low cost.
Description
Technical field
The utility model relates to a kind of culinary cuisine utensil, especially a kind of safety electric pressure cooker of directional pressure venting.
Background technology
Current electric pressure cooking saucepan comprises pot cover and pot body, in pot body, inner bag is set, between inner bag and pot cover, inner cap is set, inside cover sealing ring is installed, sealing ring is for realizing being tightly connected of inner bag and inner cap, inner cap, inner bag and sealing ring form culinary art cavity, are also provided with the safety device such as air bleeding valve, safety valve on pot cover.
Inventor finds, work as air bleeding valve, when safety valve lost efficacy because of reasons such as obstructions, culinary art cavity internal pressure continues to raise, in the time rising to certain pressure, for example reach the pressure release pressure of 200kpa, inner cap can upwards be deformed to a certain degree, thereby cause sealing ring to produce pressure release by outward flanging, but it is very high during due to now pressure release, to cook cavity internal pressure, and the position of sealing ring outward flanging is random, thereby while causing outside pressure release, the position of pressure release is unfixing, possible vent position is in the face of user, now a large amount of high-temperature steams is discharged, cause user to be scalded by high-temperature steam, thereby affect the safe handling of pressure cooker.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art and a kind of orientable pressure release is provided, uses safe electric pressure cooking saucepan.
In order to achieve the above object, the technical solution of the utility model is as follows:
A kind of safety electric pressure cooker of directional pressure venting, comprise pot body and pot cover, in pot body, be provided with inner bag, pot cover comprises inner cap, inner cap comprises and covers body, sealing ring and retainer plate, retainer plate is fixed on sealing ring to cover on body, sealing ring comprises the sealing lip limit of sealing inner container, it is characterized in that, retainer plate is positioned at outside, sealing lip limit, described retainer plate is provided with tolerant opening near the bottom surface of inner bag, and the pressure in electric pressure cooking saucepan is squeezed into sealing lip limit in tolerant opening, and the sealing lip limit of the tolerant opening part formation pressure relief opening that turns up.
In the utility model one embodiment, described tolerant opening is upwards provided with circumferential block reinforcement along retainer plate week.
In the utility model one embodiment, described tolerant opening is the radially perforation breach to lid body direction depression, and described circumferential block reinforcement is positioned at the upwards region beyond 1/3rd, breach footpath.
In the utility model one embodiment, described circumferential block reinforcement produces plastic deformation or breaks and makes the sealing lip limit of the described tolerant opening part formation pressure relief opening that turns up.
In the utility model one embodiment, when described circumferential block reinforcement produces plastic deformation or breaks described in force value in electric pressure cooking saucepan be 160-280kpa.
In the utility model one embodiment, the width of described tolerant opening is 20-50mm.
In the utility model one embodiment, the thickness of described circumferential block reinforcement is 1-3mm.
In the utility model one embodiment, described circumferential block reinforcement is provided with and runs through opening.
In the utility model one embodiment, described in run through opening and extend to the root of described tolerant opening.
In the utility model one embodiment, described lid body is stainless steel cover body.
In the utility model one embodiment, described sealing ring also comprises horizontal lip limit, described horizontal lip limit is stretched out and is formed by described sealing lip limit, and described horizontal lip limit is used for sealing retainer plate and inner bag flange, and before the upper pressure of electric pressure cooking saucepan, described sealing lip limit and side wall of inner are gapped.
In the utility model one embodiment, the bottom surface of described circumferential block reinforcement is not less than the bottom surface of described retainer plate near inner bag.
The utlity model has following beneficial effect:
1, owing to being provided with tolerant opening at retainer plate near the bottom surface of inner bag, pressure in electric pressure cooking saucepan is squeezed into sealing lip limit in tolerant opening, and formation pressure relief opening turns up on the sealing lip limit of tolerant opening part, thereby the utility model is to produce pressure relief opening at tolerant opening part to realize pressure release, rather than realize pressure release by the distortion of lid body, thereby vent position is directed, and user uses safety.
2, because described tolerant opening is upwards provided with circumferential block reinforcement along retainer plate week, described in when electric pressure cooking saucepan internal pressure is excessive, circumferentially block reinforcement is bending produces plastic deformation or breaks, the formation pressure relief opening thereby turn up in the sealing lip limit of tolerant opening part, thus realize safety relief.
3, because the utility model is the flexural deformation by circumferential block reinforcement or break to realize pressure release, thereby designer can, by regulating the size of circumferential block reinforcement or the size of tolerant opening to realize the size that regulates pressure release pressure, manufacture thereby facilitate in industry.In addition, the utility model can be further arranges and runs through opening and further facilitate the size that regulates pressure release pressure in circumferential block reinforcement.
4, adopt pressure release mode of the present utility model in conjunction with stainless steel cover body, both having realized can safety relief, also can reach the object reducing costs.
5, sealing ring of the present utility model comprises horizontal lip limit and sealing lip limit, and above pressure is front turns over retainer plate and inner bag all over sealing by horizontal lip limit, and above the front sealing lip limit of pressure and interior red sidewall are gapped, thus the problem of inhaling courage while preventing opening cover of pressure-cooker.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of the required use of embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the cutaway view of the utility model electric pressure cooking saucepan;
Fig. 2 is the pot cover cutaway view of the utility model electric pressure cooking saucepan;
Fig. 3 is the stereogram of the utility model the first embodiment electric pressure cooking saucepan inner cap;
Fig. 4 is the explosive view of the utility model the first embodiment electric pressure cooking saucepan inner cap;
Fig. 5 is the profile of the utility model the first embodiment electric pressure cooking saucepan inner cap;
Fig. 6 a is the enlarged drawing of Fig. 5 left side border circular areas;
Fig. 6 b is the enlarged drawing of Fig. 5 the right border circular areas;
Fig. 7 is the stereogram of the utility model the first embodiment electric pressure cooking saucepan retainer plate;
Fig. 8 is the enlarged drawing of Fig. 7 border circular areas;
Fig. 9 is the break schematic diagram of pressure release state of the circumferential block reinforcement of the utility model the first embodiment electric pressure cooking saucepan;
Figure 10 is the enlarged drawing of Fig. 9 border circular areas;
Figure 11 is the profile of the utility model the second embodiment electric pressure cooking saucepan inner cap;
Figure 12 is the enlarged drawing of Figure 11 border circular areas;
Figure 13 is the stereogram of the utility model the second embodiment electric pressure cooking saucepan retainer plate;
Figure 14 is the enlarged drawing of Figure 13 border circular areas;
Figure 15 is the stereogram of the utility model the 3rd embodiment electric pressure cooking saucepan retainer plate;
Figure 16 is the enlarged drawing of Figure 15 border circular areas;
Reference numeral:
10: pot cover 11: retainer 111: retainer turn-up portion
20: pot body 30: inner bag 40: inner cap
41: lid body 42,52: retainer plate 421,521: tolerant opening
422,522: circumferentially block reinforcement 423: run through opening 43: sealing ring
431: sealing lip limit 432: horizontal lip limit 433: sealing ring fixed part
44: screw 60: culinary art cavity.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The first embodiment
The utility model provides a kind of safety electric pressure cooker of directional pressure venting, refer to Fig. 1 and Fig. 2, electric pressure cooking saucepan comprises pot cover 10 and pot body 20, in pot body 20, is provided with inner bag 30, is provided with retainer 11 and inner cap 40 in pot cover 10, inner bag 30 is provided with buckle teeth, retainer 11 is provided with a pot tooth, and rotation retainer 11 is realized the fastening of pot tooth and buckle teeth or separates, and inner cap 40 is arranged on the below of retainer 11, after pot cover 10 and pot body 20 closures are cooked, inner bag 30 forms with inner cap 40 the culinary art cavity 60 sealing.
Refer to Fig. 3-Fig. 8, in the utility model, described inner cap 40 comprises and covers body 41, sealing ring 43 and retainer plate 42, retainer plate 42 is fixed on sealing ring 43 to cover on body 41, particularly, described retainer plate 42 is fixed on and is covered on body 41 by screw 44 locking devices such as grade, and described sealing ring 43 is fixed by retainer plate 42 and lid body 41.Particularly, described sealing ring 43 comprises the sealing lip limit 431 of sealing ring fixed part 433 fixing sealing ring and sealing inner container 30, sealing ring fixed part 433 is clamped between retainer plate 42 and lid body 41, sealing lip limit 431 is extended to form to inner bag direction by the inner edge of sealing ring fixed part 433, and described sealing lip limit 431 is extended to form downwards by the inner edge of sealing ring fixed part 433.Retainer plate 42 is positioned at the outside on sealing lip limit 431, described retainer plate 42 ringwise, described retainer plate 42 is provided with tolerant opening 421 near the bottom surface of inner bag 30, described tolerant opening 421 is upwards provided with circumferential block reinforcement 422 for 42 weeks along retainer plate, pressure in electric pressure cooking saucepan is squeezed into sealing lip limit 431 in tolerant opening 421, and the sealing lip limit 431 at the tolerant opening 421 places formation pressure relief opening that turns up.In the utility model, due to the position of the corresponding described tolerant opening 421 in the position of described pressure relief opening, thereby the position of pressure relief opening is what determine, thereby can prevent user to damage.
In the present embodiment, the radially perforation breach that described tolerant opening 421 is recessed to form to lid body 41 directions for retainer plate 42 bottom surfaces, described perforation breach is running through described lid body 41 in the radial direction, it is described perforation breach radially extends to external environment condition near a side of inner bag 40 side from lid body 41, described perforation breach does not run through described lid body 41 in the vertical direction, and the top of described perforation breach also exists part to cover body 41.Described circumferential block reinforcement 422 is positioned at and connects the upwards region beyond 1/3rd, breach footpath, and described circumferential block reinforcement 422 also exists approximately 1/3rd described perforation breach near inner bag 40 these sides.In the present embodiment, described circumferential block reinforcement 422 is arranged in described tolerant opening 421, and be positioned at radially 1/2nd places of described perforation breach, it is the radially medium position that described circumferential block reinforcement 422 is positioned at described perforation breach, described circumferential block reinforcement 422 is extended to form to inner bag 30 directions by lid body 41 parts that are positioned at described perforation breach top, described circumferential block reinforcement 422 is connected to and covers body 41 at circumferencial direction, and described circumferential block reinforcement 422 is connected with the sidewall that connects breach at circumferencial direction.
In the utility model, owing to being provided with circumferential block reinforcement 422 in tolerant opening 421, thereby avoid arranging separately tolerant opening 421, sealing ring 43 is just easy to allow calmly opening 421 places turn up and forms the situation of pressure relief opening in low pressure situation, thereby designer can regulate the size of the size of tolerant opening 421 and the size relationship control pressure release pressure of circumferential block reinforcement 422.
While using pressure cooker of the present utility model, pressure cooker is in the time of culinary art, pressure in pressure cooker culinary art cavity 60 can be squeezed into sealing lip limit 431 in tolerant opening 421, be squeezed into the tolerant opening 421 that is arranged in circumferential block reinforcement 422 inner sides by sealing lip limit 431, pressure is by sealing lip limit 431 and the sidewall contact of circumferential block reinforcement 422 near culinary art cavity 60, work as air bleeding valve, when safety valve all lost efficacy, the pressure of culinary art in cavity 60 continues to raise and causes when abnormal, for example, while arriving the pressure release pressure of 160-280kpa, due to the existence of tolerant opening 421 on retainer plate 42, a little less than want at strength ratio retainer plate 42 other positions that circumferentially block reinforcement 422 is born pressure, thereby the circumferentially bending generation plastic deformation of block reinforcement 422 or directly break (referring to the schematic diagram that the circumferential block reinforcement of Fig. 9 and Figure 10 breaks), thereby formation pressure relief opening turns up on the sealing lip limit 431 at tolerant opening 421 places, thereby carry out quick pressure releasing at this pressure relief opening place in the pressure short time in culinary art cavity 60, due to circumferential block reinforcement 422 plastic deformations or break, and in follow-up cooking process, pressure cooker can not be gone up pressure, thereby this inner cap can not Reusability, guarantee user's safety, user need to take maintenace point and go inner cap 40 keep in repair rear or change and could normally use.
In the present embodiment, the width of described tolerant opening 421 is 20-50mm, the width of described tolerant opening 421 refers to tolerant opening 421 width in a circumferential direction, be the length of described tolerant opening 421 circular arcs, in the time that the width of described tolerant opening 421 is less than 20mm, because described tolerant opening 421 sizes are less, even circumferentially block reinforcement 422 distortion, circumferentially block reinforcement 422 is because the opening that distortion forms is also less, described sealing lip limit 431 is also difficult to turn up, thereby the pressure that may occur cooking in cavity 60 is greater than the also situation of not pressure release of pressure release pressure, thereby easily cause security incident.In the time that the width of described tolerant opening 421 is greater than 50mm, 422 of described circumferential block reinforcements are slightly yielding, the opening that circumferentially block reinforcement 422 distortion form is larger, thereby described sealing ring 43 is easy to allow calmly opening 421 places turn up, thereby cause sealing ring 43 also not arrive the just pressure release too early of pressure release pressure, thereby in normal cooking process, with regard to pressure release, cause also pressure release in normal use procedure, to user security, culinary art has a negative impact.
In the present embodiment, the thickness of described circumferential block reinforcement 422 is 1-3mm, the thickness of described circumferential block reinforcement 422 refers to that circumferential block reinforcement 422 is at width radially, in the time that the thickness of described circumferential block reinforcement 422 is less than 1mm, described circumferential block reinforcement 422 insufficient strength, described in the time that pressure does not also arrive pressure release pressure, circumferentially block reinforcement 422 may 431 compressive strain of sealed lip limit or is broken, also cause and do not cooked with regard to pressure release, food cooking is caused to adverse effect, and will form and be less than circumferential block reinforcement 422 that 1mm is thick and in technique, be difficult to realize; In the time that the thickness of described circumferential block reinforcement 422 is greater than 3mm, the thickness of described circumferential block reinforcement 422 is blocked up, cause the intensity of circumferential block reinforcement 422 too large, also indeformable or break thereby the pressure of culinary art in cavity 60 exceedes the circumferential block reinforcement 422 of pressure release pressure, thus easily cause security incident.
In the utility model, the thickness of described circumferential block reinforcement 422 is less than the thickness of described retainer plate 42, being described circumferential block reinforcement 422 is less than described retainer plate 42 width at the width of radial direction, is also that described circumferential block reinforcement 422 is not filled tolerant opening 421 completely.In the present embodiment, refer to Fig. 6 b and Fig. 8, described circumferential block reinforcement 422 is positioned at the radially medium position of described tolerant opening 421, and the inner side of described circumferential block reinforcement 422 also exists the described tolerant opening 421 of part, and described circumferential block reinforcement 422 also exists the described tolerant opening of part near this side of inner bag; Also there is the described tolerant opening 421 of part in the outside of described circumferential block reinforcement 422, described circumferential block reinforcement 422 also exists the described tolerant opening 421 of part near that side of pressure cooker outside.
The lid body of existing electric pressure cooking saucepan is generally aluminium alloy lid body, aluminium alloy cost compare is high, inventor of the present utility model finds, stainless steel cover body obviously has cost advantage than aluminium alloy lid body, so, relatively in background technology, realize pressure release by the plastic deformation of aluminium alloy lid body own, because stainless steel cover body itself has very strong elasticity and restorative, pressure drop after decompression of pressure cooker, stainless steel cover body can elasticity recover again, thereby cause culinary art cavity to seal again, pressure cooker can continue again heating, thereby cannot realize safety relief, and due to pressure limiting valve, the elements such as safety valve have gone wrong, if can also proceed culinary art, there is very large potential safety hazard, thereby stainless steel cover body can not adopt the pressure release mode in background technology.And in the utility model, lead to all mistakes to the plastic deformation of shelves muscle 422 or break to realize safety relief, not to realize pressure release by the distortion of lid body, thereby, inventor of the present utility model both can adopt stainless steel cover body also can adopt aluminium alloy lid body lid body, preferably, in the present embodiment, described lid body 41 adopts stainless steel cover body 41, owing to can adopting tolerant opening 421 and circumferential block reinforcement 422 to realize pressure release, and do not need to adopt 41 distortion of stainless steel cover body own to carry out pressure release, thereby the inner cap of the present embodiment 40 can be realized the object of saving cost and safety relief.
Particularly, in the present embodiment, the lid body 41 of described inner cap 40 is stainless steel cover body 41, described retainer plate 42 is provided with tolerant opening 421 near the bottom surface of inner bag 30, described tolerant opening 421 is upwards provided with circumferential block reinforcement 422 for 42 weeks along retainer plate, thereby, in the time that culinary art cavity 60 internal pressures continue to rise, described stainless steel cover body 41 can produce strain to the direction contrary with inner bag 30, simultaneously, pressure in culinary art cavity 60 is squeezed into sealing lip limit 431 in tolerant opening 421, in the time that stainless steel cover body 41 is 2-5mm to the contrary direction amount of elastic deformation of inner bag 30, the corresponding pressure release pressure of pressure in described culinary art cavity 60, pressure release pressure is in 160-280kpa left and right, now, be positioned at sealing lip limit 431 outside tolerant opening 421 also not the strephexopodia to form pressure relief opening, and the pressure that the sealing lip limit 431 that is positioned at tolerant opening part produces makes, circumferential block reinforcement 422 is bending to be produced plastic deformation or breaks, thereby make the sealing lip limit 431 formation pressure relief opening that turns up, thereby realize safety relief, after the Pressure Drop in culinary art cavity 60 gets off, due to circumferential plastic deformation of block reinforcement 422 or break, described electric pressure cooking saucepan can be in tolerant opening 421 places exhaust, thereby culinary art cavity 60 can not be realized sealing, thereby user need to go maintenance store to keep in repair inner cap 40.
In the utility model, described circumferential block reinforcement 422 plastic deformations or the required pressure that breaks be less than described lid body 41 upwards strain make sealing ring 43 entirety to the required pressure of the pressure release of turning up, thereby the utility model is by circumferential block reinforcement 422 plastic deformations or breaks and carry out safety relief.
In addition, in the utility model, the bottom surface of described circumferential block reinforcement 422 is not less than the bottom surface of described retainer plate 42 near inner bag 30, be the bottom surface of bottom surface and the described retainer plate 42 of described circumferential block reinforcement 422 or described circumferential block reinforcement 422 concordant near the bottom surface of inner bag 30 higher than described retainer plate 42 bottom surface near inner bag 30, the bottom surface of described circumferential block reinforcement 422 refers to that near the bottom surface of inner bag 30 described circumferential block reinforcement 422 supports or opposes to the direction depression of inner bag 30 higher than described retainer plate 42, designer when design can design that circumferential block reinforcement 422 caves in number adjust the size of pressure release pressure.
In addition, refer to Fig. 6 a and Fig. 6 b, in the present embodiment, described sealing ring 43 also comprises horizontal lip limit 432, described horizontal lip limit 432 is stretched out and is formed by described sealing lip limit 431, described horizontal lip limit 432 is for sealing retainer plate 42 and inner bag 30 flange, and the not upper front described sealing lip limit 431 of pressing of electric pressure cooking saucepan is gapped with inner bag 30 sidewalls.Thereby, after food cooking completes, the interior pressure release of described culinary art cavity 60 completes, now, electric pressure cooking saucepan is interior in not going up pressure condition, inner bag 30 seals by horizontal lip limit 432 with inner cap 40, and gapped between sealing lip limit 431 and inner bag 30 sidewalls, thus the problem of inhaling courage can prevent from uncapping time.
In addition, refer to Fig. 1 and Fig. 2, in the present embodiment, described retainer 11 also adopts stainless steel retainer 11, during fabrication, incision is sharper for retainer 11, and retainer 11 needs rotation realize with the fastening of inner bag 30 or trip, when rotated, pot cover 10 parts that the easy scratch of retainer 11 is corresponding with otch, in order to prevent this kind of problem, inventor of the present utility model proposes to bend in the incision of retainer 11, form retainer turn-up portion 111, thereby reach the problem that prevents scratch pot cover 10.
The second embodiment
Figure 11 is the profile of the utility model the second embodiment electric pressure cooking saucepan inner cap, the structure of Figure 11 and the structural similarity of Fig. 5, therefore identical component symbol represents identical element, and the main difference point of the present embodiment and the first embodiment is the setting of structure on retainer plate.
Refer to Figure 11-Figure 14, in the present embodiment, described retainer plate 52 is provided with tolerant opening 521 near the bottom surface of inner bag 30, the radially perforation breach that described tolerant opening 521 is recessed to form to lid body 41 directions for retainer plate 42 bottom surfaces, described circumferential block reinforcement 522 is positioned at and connects the upwards region beyond 1/3rd, breach footpath, in the present embodiment, run through the outer most edge of breach described in described circumferential block reinforcement 522 is positioned at, described circumferential block reinforcement 522 runs through breach one end away from described inner bag 40 described in being positioned at.
In the present embodiment, in the time that the pressure in pressure cooker culinary art cavity 60 continues to raise, pressure in described culinary art cavity 60 can be squeezed into sealing lip limit 431 in tolerant opening 521, pressure is by sealing lip limit 531 and the sidewall contact of circumferential block reinforcement 522 near culinary art cavity 60, in the time that the pressure in culinary art cavity 60 exceedes pressure release pressure, for example cook pressure in cavity 60 while reaching 160-280kpa, now, pressure in culinary art cavity 60 forces the bending generation plastic deformation of circumferential block reinforcement 522 or directly breaks, thereby the sealing lip limit 431 at tolerant opening 521 places is to the formation pressure relief opening that turns up, thereby carry out quick pressure releasing at this pressure relief opening place in the pressure short time in culinary art cavity 60, because circumferential block reinforcement 522 is out of shape or breaks, thereby in follow-up cooking process, pressure cooker can not be gone up pressure, guarantee user's safety, user need to take maintenace point and go inner cap 40 to keep in repair.
The 3rd embodiment
Figure 15 is the stereogram of the utility model the 3rd embodiment electric pressure cooking saucepan retainer plate, the structure of Figure 15 and the structural similarity of Fig. 7, therefore identical component symbol represents identical element, the setting that the main difference point of the present embodiment and the first embodiment is circumferential block reinforcement place.
Refer to figure Figure 15 and Figure 16, in the present embodiment, described retainer plate 42 is provided with tolerant opening 421 near the bottom surface of inner bag 30, the perforation breach that described tolerant opening 421 is recessed to form to lid body 41 directions for retainer plate 42 bottom surfaces.Described circumferential block reinforcement 422 is arranged on described tolerant opening 421, and in the present embodiment, described circumferential block reinforcement 422 is provided with and runs through opening 423.
Particularly, in the present embodiment, the described opening 423 that runs through runs through described circumferential block reinforcement 422 diametrically, described in, run through opening 423 and circumferentially on block reinforcement 422 thickness directions, running through described circumferential block reinforcement 422, preferably, the described quantity that runs through opening 423 is set to two, and these two run through opening 423 and are separately positioned on the position that circumferential block reinforcement 422 contacts with retainer plate 42, and in circumferential direction, to have part with described retainer plate 42 be not contact to described circumferential block reinforcement 422.Certainly, in other embodiment of the present utility model, described in run through opening and can also be arranged on other positions of circumferential block reinforcement.In the present embodiment, described in run through opening 423 and can extend to the root of described tolerant opening 421, the height that runs through opening 423 described in is identical with the height of described circumferential block reinforcement 422.In the present embodiment, owing to being provided with and running through opening 423 in circumferential block reinforcement 422, regulate circumferential block reinforcement 422 flexural deformations or the corresponding pressure that breaks thereby can further facilitate, thereby be conducive to commercialization.
In sum, in the utility model, described retainer plate is provided with tolerant opening near the bottom surface of inner bag, pressure in electric pressure cooking saucepan is squeezed into sealing lip limit in tolerant opening, and the sealing lip limit of the tolerant opening part formation pressure relief opening that turns up, the amount of elastic deformation that body is covered on described sealing lip limit described in turning up while forming pressure relief opening is 2-5mm.Thereby can realize directional pressure venting, thereby reach the object of safety relief; And the lid body of described inner cap adopts stainless steel cover body, can reach the object of falling this.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (12)
1. the safety electric pressure cooker of a directional pressure venting, comprise pot body and pot cover, in pot body, be provided with inner bag, pot cover comprises inner cap, inner cap comprises and covers body, sealing ring and retainer plate, retainer plate is fixed on sealing ring to cover on body, sealing ring comprises the sealing lip limit of sealing inner container, it is characterized in that, retainer plate is positioned at outside, sealing lip limit, described retainer plate is provided with tolerant opening near the bottom surface of inner bag, and the pressure in electric pressure cooking saucepan is squeezed into sealing lip limit in tolerant opening, and the sealing lip limit of the tolerant opening part formation pressure relief opening that turns up.
2. the safety electric pressure cooker of directional pressure venting as claimed in claim 1, is characterized in that, described tolerant opening is upwards provided with circumferential block reinforcement along retainer plate week.
3. the safety electric pressure cooker of directional pressure venting as claimed in claim 2, is characterized in that, described tolerant opening is the radially perforation breach to lid body direction depression, and described circumferential block reinforcement is positioned at the upwards region beyond 1/3rd, breach footpath.
4. the safety electric pressure cooker of directional pressure venting as claimed in claim 2, is characterized in that, described circumferential block reinforcement produces plastic deformation or breaks and makes the sealing lip limit of the described tolerant opening part formation pressure relief opening that turns up.
5. the safety electric pressure cooker of directional pressure venting as claimed in claim 4, is characterized in that, when described circumferential block reinforcement produces plastic deformation or breaks described in force value in electric pressure cooking saucepan be 160-280kpa.
6. the safety electric pressure cooker of the directional pressure venting as described in one of claim 1-5, is characterized in that, the width of described tolerant opening is 20-50mm.
7. the safety electric pressure cooker of the directional pressure venting as described in one of claim 1-5, is characterized in that, the thickness of described circumferential block reinforcement is 1-3mm.
8. the safety electric pressure cooker of the directional pressure venting as described in one of claim 1-5, is characterized in that, described circumferential block reinforcement is provided with and runs through opening.
9. the safety electric pressure cooker of directional pressure venting as claimed in claim 8, is characterized in that, described in run through opening and extend to the root of described tolerant opening.
10. the safety electric pressure cooker of the directional pressure venting as described in one of claim 1-5, is characterized in that, described lid body is stainless steel cover body.
The safety electric pressure cooker of 11. directional pressure ventings as described in one of claim 1-5, it is characterized in that, described sealing ring also comprises horizontal lip limit, described horizontal lip limit is stretched out and is formed by described sealing lip limit, described horizontal lip limit is used for sealing retainer plate and inner bag flange, and before the upper pressure of electric pressure cooking saucepan, described sealing lip limit and side wall of inner are gapped.
The safety electric pressure cooker of 12. directional pressure ventings as described in one of claim 1-5, is characterized in that, the bottom surface of described circumferential block reinforcement is not less than the bottom surface of described retainer plate near inner bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760230.9U CN203609262U (en) | 2013-11-26 | 2013-11-26 | Safety electric pressure cooker with directional decompression function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320760230.9U CN203609262U (en) | 2013-11-26 | 2013-11-26 | Safety electric pressure cooker with directional decompression function |
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| CN203609262U true CN203609262U (en) | 2014-05-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104510328A (en) * | 2015-01-16 | 2015-04-15 | 浙江苏泊尔家电制造有限公司 | Cooking pot |
| CN107969940A (en) * | 2016-10-24 | 2018-05-01 | Seb公司 | The household cooking appliance of heating including ring washer |
| CN109363500A (en) * | 2018-12-12 | 2019-02-22 | 岑延华 | A kind of safety relief structure of sealed heating container |
-
2013
- 2013-11-26 CN CN201320760230.9U patent/CN203609262U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104510328A (en) * | 2015-01-16 | 2015-04-15 | 浙江苏泊尔家电制造有限公司 | Cooking pot |
| CN107969940A (en) * | 2016-10-24 | 2018-05-01 | Seb公司 | The household cooking appliance of heating including ring washer |
| CN107969940B (en) * | 2016-10-24 | 2022-11-01 | Seb公司 | Heated household cooking appliance comprising a ring gasket |
| CN109363500A (en) * | 2018-12-12 | 2019-02-22 | 岑延华 | A kind of safety relief structure of sealed heating container |
| CN109363500B (en) * | 2018-12-12 | 2023-09-08 | 上的智能厨业(广东)有限公司 | Safety pressure relief structure of sealed heating container |
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