CN105326349A - Protection energy-saving pressure cooker - Google Patents

Abstract

The invention provides a protection energy-saving pressure cooker, which comprises a cooker body 9 and a cooker cover 1, wherein the cooker cover 1 is provided with a pressure limiting valve and other safety components; a case cover 2 formed by an outer case 3 and an inner sleeve 4 is arranged on the cooker cover 1; a sealed cavity 20 is formed; a handle avoiding groove 22, a valve position hole 21 and other position hole grooves are formed in the case cover 2; through the side wall of each position avoiding hole groove, the cavity 20 maintains the sealed state; the inner side of the case cover 2 is provided with a flow guide groove 41; the outer case 3 is made of plastic cement; the inner sleeve 4 is made of a metal thin plate; the lower end of the valve position hole 21 is provided with a ring sleeve groove 31, a rubber ring 32 and a flow guide opening 33; the cross section of the rubber ring 32 is in a reverse Y shape. The pressure cooker has an ideal safety protection effect and energy-saving and heat insulation effects; in addition, the safe use of the pressure cooker is not influenced; the use is convenient; the protection energy-saving pressure cooker is favorable for energy saving and emission reduction, and the popularization and application values are realized.

Description

Protection energy-saving high-pressure cooker

The divisional application that the application is the applying date is on August 1st, 2011, application number is 2011102162581, denomination of invention is protection energy-saving high-pressure cooker.

Technical field

The present invention relates to a kind of protection energy-saving high-pressure cooker.

Background technology

Public's pressure cooker (hereafter claiming: pressure cooker or ordinary high pressure pot) that gas-cooker or electromagnetic oven use of being everlasting day is made up of aluminium alloy or stainless steel material mostly, many facilities are brought to the life of people, relative to automatic electric pressure cooker, ordinary high pressure pot arbitrarily can carry out firepower regulation and control at any time in the process of cooking, the use advantage having it certain.But, the metal surface exposed area of ordinary high pressure pot is large, the particularly pot cover of pressure cooker, except sub-fraction is by except the covering of the handle of pot cover, metal package major part exposes, in the process of cooking, the pot cover surface of exposing is in relatively-high temperature state, and because of its surface temperature high, when human body is touched on it because of carelessness, easily by boiling hot pain or scald; More obvious deficiency is cooked in process at pressure cooker, no matter adopts gas-cooker or electromagnetic oven, the pot cover of the pressure cooker of high temperature is always in outside radiating state, again because its surface temperature is high, exposed area is large, and dispersed heat is many, particularly in the winter that environment temperature is lower, the temperature difference of pot cover and surrounding environment is large, and heat radiation is faster, and the heat of loss is more, what be both unfavorable for when cooking is energy-conservation, is also unfavorable for the insulation of pressure cooker after the heating that stops cooking.

Summary of the invention

The object of the present invention is to provide a kind of protection energy-saving high-pressure cooker, cook and adopt pressure cooker of the present invention that human body can be made to avoid touching the pressure cooker cap surface in cooking, there is more perfect safety protection function, and there is more preferably energy-conservation and heat insulation effect.

The object of the present invention is achieved like this, described protection energy-saving high-pressure cooker, and the pot cover including pot body and match with it, is characterized in that: pot cover is provided with the clamshell be covered on its outer surface; Described clamshell is formed by shell with the inner sleeve of its phase fit, has suitable spacing between both madial walls, and forms the cavity closed; Described clamshell is provided with and allows handle groove for what dodge lid handle; Described clamshell is provided with the valve position hole for dodging pressure limiting valve bonnet, has suitable steam discharge space between described valve position hole and all sides of bonnet; Described clamshell is provided with the hole slot of stepping down for dodging other safety member on pot cover; Allow handle groove and valve position hole and above-mentioned hole slot of stepping down on described clamshell all have complete and close sidewall of joining mutually, remain closed state to make the cavity in clamshell.

Object of the present invention also can be achieved in that described protection energy-saving high-pressure cooker, it is characterized in that: the outside of pot body is provided with the heat insulation cylinder be made up of foamed plastic material enclosed around it; The upper end correspondence be provided with for dodging the handle be fixed on pot body of described heat insulation cylinder is stepped down notch, and the upper surface of described heat insulation cylinder and the upper side of this handle are maintained an equal level; The medial surface of described heat insulation cylinder and the outer surface of pot body bonded to each other, and make described heat insulation jacket casing fix on pot body; Between the lower surface of described heat insulation cylinder and pressure cooker bottom surface, there is suitable spacing, to make the heating plate bottom pressure cooker be uncovered, or make pressure cooker bottom expose when pressure cooker fire heating little of combustion gas required suitable size heating surface.

Object of the present invention can also be achieved in that described protection energy-saving high-pressure cooker, it is characterized in that: the bottom of described heat insulation cylinder is provided with the sleeve gasket with heat-blocking action be made up of foamed plastic material be set in bottom pressure cooker; Described sleeve gasket is in the form of annular discs, and is provided with the cover limit in annular that be connected integral with it; Described cover limit has suitable height, to enable the lower surface of its end face and described heat insulation cylinder mutually closely sealed.

The clamshell with heat insulating function has been established because pressure cooker of the present invention covers structure, the pot cover surface of pressure cooker is made to obtain effective adiabatic covering, when pressure cooker of the present invention is when cooking use, human body not easily touches the high-pressure pot cover surface of high temperature, significantly can reduce the chance that human body is scalded pain by pressure cooker or scalds, safety protection function can be played to human body; And, the clamshell inside that pressure cooker of the present invention covers is the cavity closed, the air that in it, falling heat-transfer coefficient is low, clamshell of the present invention is made to have good heat-insulating property, and make pressure cooker of the present invention obtain better heat insulating function, thus the radiating rate of pressure cooker of the present invention is significantly slowed down, reduce the heat loss of pressure cooker in the process of cooking, there is certain energy-conserving action; And after pressure cooker stops heating, make pressure cooker of the present invention also have good heat-insulating property because of the well insulated characteristic of clamshell, and make pressure cooker of the present invention can obtain longer temperature retention time after the cessation of the heating.Therefore, protection energy-saving high-pressure cooker of the present invention, significantly can not only reduce the chance that human body is scalded pain by pressure cooker or scalds, have more perfect safety protection function, and have good energy-conservation and heat insulation effect.

The valve position hole that on clamshell in pressure cooker of the present invention, institute's structure is established and and all sides of bonnet between steam discharge space, make the clamshell of pressure cooker of the present invention on pot cover, cover the normal exhaust that can not affect pressure limiting valve, namely the problem of usually carrying out the easy impact to voltage pot safe handling that thermal insulation and protective construction design face on high-pressure cooker cover is efficiently solved, thus make pressure cooker of the present invention cook in heating process, realizing energy-conserving action simultaneously, pressure cooker of the present invention can be used safely.Namely under the prerequisite not affecting safe handling, protection energy-saving high-pressure cooker of the present invention can play more perfect safety protection function to human body and obtain better energy-conservation and heat insulation effect, thus overcomes prior art and lack and on high-pressure cooker cover, carry out thermal insulation and protective construction design and poor and energy-conservation and that heat insulation effect the is not good enough deficiency of safeguard function that there is prior art.

Safeguard function is perfect, cooks faster, and insulation is more permanent, and energy-saving effect is better, and simple and compact for structure, safe and convenient to use, pressure cooker of the present invention is conducive to energy-saving and emission-reduction and has application value.

Accompanying drawing explanation

Fig. 1 is the organigram (the first half) of the embodiment of the present invention.

Fig. 2 is the organigram (the latter half coordinated with Fig. 1) of the embodiment of the present invention.

Fig. 3 is the right view of Fig. 1.

Fig. 4 is the right view of Fig. 2.

Fig. 5 is the left sectional view of Fig. 1.

Fig. 6 is the K direction view (laying down the local after cover cap) of Fig. 3.

Fig. 7 is the upward view (laying down the local after pot cover) of Fig. 1.

Fig. 8 is the left sectional view of the clamshell in Fig. 1.

Fig. 9 is I enlarged drawing in Fig. 1.

Figure 10 is the embodiment of the present invention two (clamshell) organigram.

Figure 11 is the left sectional view of Figure 10.

In figure: pot cover 1, bonnet 11, cap aperture 12, lid handle 13, safety valve 14, clamshell 2, cavity 20, valve position hole 21, allows handle groove 22, safety vent 23, shell 3, ring set groove 31, glue ring 32, flow-guiding mouth 33, inner sleeve 4, guiding gutter 41, profit cup 5, inserts ear 51, jack 52, interlayer 6, cover cap 7, cap shoulder 71, cage apertures 72, pot body 9, pot handle 91, heat insulation cylinder 92, allows handle mouth 93, sleeve gasket 94, cover limit 95.

Detailed description of the invention

Below in conjunction with drawings and Examples, the present invention is described in detail.

embodiment one

The protection energy-saving high-pressure cooker (structure is shown in Fig. 1-Fig. 9) of the embodiment of the present invention, comprises the pot body 9 with handle and the pot cover 1 with lid handle 13 matched with it, and pot cover 1 arranges pressure limiting valve and the safety valve 14 with bonnet 11; Its construction features are: pot cover 1 is provided with the clamshell 2 be covered on its surface; Clamshell 2 is formed by shell 3 with the inner sleeve 4 of its phase fit, has suitable spacing between both madial walls, and forms the cavity 20 closed; Clamshell 2 is provided with and allows handle groove 22 for what dodge lid handle 13; Clamshell 2 is provided with the valve position hole 21 for dodging pressure limiting valve bonnet 11, has suitable steam discharge space between valve position hole 21 and all sides of bonnet 11, can discharge to make the gas of ejection from bonnet 11 from this space; Clamshell 2 is provided with the safety vent 23 for dodging safety valve 14, to make the effect of safety valve 14 unaffected.

According to the concrete structure on pot cover 1, clamshell 2 also can be provided with the hole slot of stepping down for dodging other safety member on pot cover 1, to make clamshell 2 can be sheathed and use safely on pot cover 1.Additional information: usually, high-pressure pot cover is furnished with have voltage stabilizing exhaust or the superpressure that comprise pressure limiting valve to lose heart the structure of function or parts (being referred to as: safety member), as except arranging pressure limiting valve, pot cover is also furnished with at least one there is superpressure to lose heart the safety valve (safety valve 14 exemplified as above-mentioned) of function, or offers again the safe aperture being out of shape protrusion for holding high-pressure cooker sealing ring because of abnormal pressure at pot cover avris; Other safety member on the pot cover 1 of above-mentioned record just refers to and except pressure limiting valve and safety valve 14, to be disposed in safety valve on pot cover in a known manner or/and safe aperture.

Allow handle groove 22 and valve position hole 21 and above-mentioned hole slot of stepping down on clamshell 2 all have complete and close sidewall of joining mutually, remain closed state to make the cavity 20 in clamshell 2.

The valve position hole 21 that on clamshell 2 in the present embodiment, institute's structure is established and and bonnet 11 weeks sides between steam discharge space, the gas of discharging from pressure limiting valve without hindrancely can be circulated, and make to be set with clamshell 2 on pot cover 1 and do not affect the present embodiment pressure cooker and cooking the safe handling in heating process; Simultaneously, clamshell 2 makes the heat-delivery surface of the present embodiment high-pressure cooker cover 1 be able to effective adiabatic covering more comprehensively, its surface temperature is starkly lower than the surface temperature of pot cover 1, even if the surface of human contact's clamshell 2 does not have by the sensation of scalding yet, has good safety protection function to human body; And, because in clamshell 2, structure has established the cavity 20 closed, be filled with in it thermal conductivity factor low and not with the air of extraneous convection current, clamshell 2 is made to have good heat-insulating property, significantly can be slowed down the radiating rate of pot cover 1, be conducive to the process of cooking accelerating the present embodiment pressure cooker, shorten and cook the heat time, there is energy-saving effect; After the present embodiment pressure cooker stops heating, clamshell 2 has good heat insulation effect, makes the present embodiment pressure cooker can obtain longer temperature retention time, the chance that reheats of minimizing and be conducive to energy-conservation.

Protect energy-saving high-pressure cooker for making the present invention to be easier to practice and have better result of use, on the basis of above-mentioned structure, the further structure of the present embodiment establishes following structure, and its benefit is also stated subsequently.

Further structure 1: the upper end week in above-mentioned valve position hole 21, along not higher than the lower edge of pressure limiting valve cap aperture 12, is not blocked by the inwall in valve position hole 21 to make the gas sprayed from cap aperture 12.

Relative position relation between the valve position hole 21 of above-mentioned restriction and cap aperture 12, the gas of ejection from cap aperture 12 can be made to avoid being blocked by the inwall in valve position hole 21 and making this gas avoid being formed profit in valve position hole 21, thus the safe handling of pressure limiting valve normal exhaust and the present embodiment pressure cooker can be guaranteed, and be conducive to the present embodiment clamshell 2 and keep good thermal insulation and protection effect and ease of use.

Further structure 2: the medial surface of above-mentioned clamshell 2 is corresponding with the shape of pot cover 1 outer surface, and make both bonded to each other; The inner side of clamshell 2 is provided with the guiding gutter 41 that the outer surface carrying over pot cover 1 from the bottom in valve position hole 21 extends to the outside lower edge of pot cover 1, carries over pot cover 1 surface defined by guiding gutter 41 flow out to make the profit in valve position hole 21.

Matching relationship bonded to each other between the clamshell 2 that institute's structure is established and pot cover 1 surface, to make actual cooperation gap between the two little as far as possible or realize seamless cooperation, thus the profit in valve position hole 21 is not easily infiltrated therebetween, clamshell 2 can be made to have good insulation effect and ease of use.When the present embodiment pressure cooker is when cooking, when the gas of ejection bottom bonnet 11 forms more profit in pot cover 1 surface, pot cover 1 surface that the guiding gutter 41 that institute's structure is established can make this profit carry over and be defined by guiding gutter 41 is flowed out, and make this profit avoid accumulating in valve position hole 21, in order to avoid affect the normal exhaust of pressure limiting valve and the safe handling of pressure cooker; Also this profit can be made not easily to infiltrate in the gap that may exist between clamshell 2 and pot cover 1, to guarantee that the present embodiment clamshell 2 keeps good insulation effect and ease of use.Meanwhile, this profit can be concentrated and flow to same exit position, and its centralized collection being profit provides advantage.

Further structure 3: the exit position of above-mentioned guiding gutter 41 is provided with has the profit cup 5 that a pair is inserted ear 51; Shell 3 is provided with a pair jack 52 matched with slotting ear 51, makes profit cup 5 be articulated in the outside of shell 3 and the outside lower edge of pot cover 1, to accept the profit of discharging from guiding gutter 41.

The profit cup 5 that institute's structure is established can accept the profit flowed out from guiding gutter 41, and makes this profit avoid overflow on the kitchen range top, employing the present embodiment pressure cooker is cooked and uses safer facility.

Further structure 4: above-mentioned shell 3 is made up of adiabatic plastic material; Inner sleeve 4 is made up of metallic sheet stock.

Above-mentioned shell 3 is made up of adiabatic plastic material, relative to selecting metal material, has better adiabatic and protection effect.Above-mentioned inner sleeve 4 selects metal material, relative to selecting nonmetallic materials, more high temperature resistant, makes inner sleeve 4 more durable.Both coordinate in above-mentioned optimization in selection, and not only make clamshell 2 rational in infrastructure, excellent heat insulating performance, protective action is better, and makes clamshell 2 more durable.Inner sleeve 4 in the present embodiment is preferably made with stainless steel metal sheet stamping, relative to selecting other metal material, stainless steel material thermal conductivity factor is relatively low, make the overall insulation effect of clamshell 2 better, and make the surface temperature rise of shell 3 less, and make the present embodiment pressure cooker obtain better protection and energy-conservation and heat insulation effect.

Further structure 5: between the lower surface in the valve position hole 21 on the downside of shell 3 and pot cover 1 surface, there is suitable spacing, and be provided with around the pressure limiting valve ring set groove 31 of a week; Ring set groove 31 is arranged with glue ring 32, and glue ring 32 has certain elasticity and suitable height and presetting juxtaposition metamorphose surplus, keeping fitting tightly state with the outer surface of pot cover 1; The bottom of glue ring 32 is provided with the flow-guiding mouth 33 that valve position hole 21 and guiding gutter 41 are connected; The cross section of glue ring 32 is in falling " Y " shape.

The ring set groove 31 that institute's structure is established on shell 3 and the glue ring 32 being furnished with presetting distortion allowance can make to have better adaptation between the lower surface in valve position hole 21 and pot cover 1 surface.This good adaptation is also more conducive to guiding the profit in valve position hole 21 to carry over from flow-guiding mouth 33 pot cover 1 surface defined by guiding gutter 41 and flows out, to avoid this profit to infiltrate in the gap that may exist between inner sleeve 4 and pot cover 1, and clamshell 2 is made to keep good heat insulating function and ease of use.Above-mentioned glue ring 32 can adopt cross section to be circular conventional apron, comparatively speaking, cross section, in falling the performance that the glue ring 32 of " Y " shape has better using adaptability and prevent profit from infiltrating more reliably, can improve heat insulating function and the ease of use of the present embodiment clamshell 2 further.

Further structure 6: the cotton of filling cotton-wool or sheet strip in the cavity 20 of above-mentioned clamshell 2.The drying material with certain heat insulating function of the broken suitable filling carefully of filling in the cavity 20 of above-mentioned clamshell 2.

Be filled with the drying material with certain heat insulating function in the cavity 20 of clamshell 2 in the present embodiment, the energy-conservation and heat insulation effect of the present embodiment pressure cooker can be strengthened.Adopt the cotton of cotton-wool or leftover pieces, material is easy to get and cost is low.

Further structure 7: above-mentioned shell 3 is provided with the cover cap 7 be made up of the plastic material with suitable mechanical intensity matched with valve position hole 21; Cover cap 7 is cylindrical, and is provided with and takes on 71 and cage apertures 72 for dodging bonnet 11 with upper end, valve position hole 21 week along mutually closely sealed cap, and the upper end of cage apertures 72 is closed construction; The lower end outer wall of cover cap 7 is provided with the screw thread with suitable height, and the hole wall in valve position hole 21 is provided with the screw thread matched with cover cap 7 screw thread, to make can be threaded between the two.

When the present embodiment pressure cooker stops heating and enters keeping warm mode, bonnet 11 can be unloaded, above-mentioned cover cap 7 can directly screw in the valve position hole 21 on clamshell 2, to seal the heat dissipation channel broken on position, valve position hole 21, the heat loss of the present embodiment pressure cooker can be reduced further, strengthen the heat insulation effect of the present embodiment pressure cooker; The cover cap 7 of rotation set on shell 3 can use as handle again, operates safer facility to make the suit of clamshell 2 on pot cover 1 in the present embodiment.The present embodiment pressure cooker is being cooked in heating process, then need to unload lower cover cap 7 from shell 3.

Further structure 8: the outside of above-mentioned pot body 9 is also provided with the heat insulation cylinder 92 be made up of foamed plastic material enclosed around it; The upper end of heat insulation cylinder 92 is provided with and allows handle mouth 93 for what dodge pot handle 91, and the upper surface of heat insulation cylinder 92 and the upper side of pot handle 91 are maintained an equal level; The medial surface of heat insulation cylinder 92 and the outer surface of pot body 9 bonded to each other, and heat insulation cylinder 92 can be overlapped fix on pot body 9; Between the lower surface of heat insulation cylinder 92 and the bottom face of pot body 9, there is suitable spacing, to make the heating plate bottom pressure cooker be uncovered, or make pressure cooker bottom expose when pressure cooker with combustion gas little fire heating time required suitable size heating surface.

The heat insulation cylinder 92 that above-mentioned structure is established makes the present embodiment pressure cooker in use, and its heat-delivery surface can obtain more fully adiabatic covering, electromagnetic oven uses the pressure cooker of the present embodiment then have more preferably energy-saving effect.The upper surface of the heat insulation cylinder 92 that institute's structure is established and the upper surface of pot handle 91 maintain an equal level, make the present embodiment pressure cooker in use, pot cover 1 normal folding on pot body 9 not only can be made to use, use more convenient, and the heat-delivery surface of pot body 9 can be made to obtain more fully adiabatic covering, to make the present embodiment pressure cooker, there is better protection and energy-conservation and heat insulation effect.The connected mode of suitably tightly overlapping can be adopted between the heat insulation cylinder 92 that above-mentioned structure is established and pot body 9, heat insulation cylinder 92 can be overlapped in heating process cooked by pressure cooker of the present invention and fix on use on pot body 9, and without the need to other auxiliary part, overall structure is simple, handling use more convenient.Suitable spacing is provided with between the heat insulation cylinder 92 that above-mentioned structure is established and the present embodiment pressure cooker bottom surface, when the gas-cooker of pressure cooker under electromagnetic oven or little fiery state cooks use, the normal heating that heat insulation cylinder 92 does not affect pot body 9 uses, and make heat insulation cylinder 92 avoid the be heated position of pressure cooker when heating, and make heat insulation cylinder 92 avoid the deformed damaged because of hot-spot.If the pot body 9 of pressure cooker is also provided with the auxiliary-handle matched with pot handle 91, the upper end of above-mentioned heat insulation cylinder 92 is provided with the notch of stepping down for dodging this auxiliary-handle equally; Because of the simple structure should be readily appreciated that of stepping down of auxiliary-handle, and in practice, the pressure cooker body 9 of ting model does not arrange auxiliary-handle usually, heat insulation cylinder 92 does not just need yet offer corresponding notch of stepping down, for this reason, the drafting that this part is constructed is omitted in the organigram of the present embodiment.Above-mentioned heat insulation cylinder 92 is preferably made with expanded polypropylene material, and to make the more environmental protection and durable of the heat insulation cylinder 92 in the present embodiment, and it is energy-conservation and heat insulation effect is good.

Further structure 9: the bottom of above-mentioned heat insulation cylinder 92 is provided with the sleeve gasket 94 with heat-blocking action be set on bottom pot body 9; Sleeve gasket 94 is in the form of annular discs, and is provided with the cover limit 95 in annular that be connected integral with it; Cover limit 95 has suitable height, and the lower surface of its end face and heat insulation cylinder 92 can be mutually closely sealed.Above-mentioned sleeve gasket 94 is made up of foamed plastic material.

The present embodiment pressure cooker is when stopping heating and entering keeping warm mode, the sleeve gasket 94 that above-mentioned structure is established can be set in the bottom of pot body 9, and together with above-mentioned clamshell 2 and heat insulation cylinder 92, three coordinates jointly, the heat-delivery surface of pressure cooker is made to be able to the most adiabatic covering, and make the present embodiment pressure cooker have more preferably heat insulation effect, the present embodiment pressure cooker can be made to obtain longer temperature retention time.The present embodiment pressure cooker is after entering keeping warm mode, the longer time of the food in pressure cooker can be made to maintain the condition of high temperature, for reaching identical effect of cooking, suitably can stop heating in advance, cook the heat time to shorten, this can reduce the energy ezpenditure of the present embodiment pressure cooker when cooking again further, reaches energy-conservation object better.The sleeve gasket 94 established of institute's structure can give the present embodiment pressure cooker moving integrally after the cessation of the heating, place and offer convenience, and is conducive to playing safety protection function to human body and pressure cooker institute supporting bable tops.Above-mentioned sleeve gasket 94 is preferably made with expanded polypropylene material, to make the more environmental protection and durable of the sleeve gasket 94 in the present embodiment, and better heat preservation.

embodiment two

The protection energy-saving high-pressure cooker (structure is shown in Figure 10 and Figure 11) of the embodiment of the present invention two.In order to make the function of protection energy-saving high-pressure cooker of the present invention more perfect, to make it to be easier to implement and application, on the basis of the embodiment of the present invention one, the embodiment of the present invention two further structure establishes following structure, that is: be provided with the interlayer 6 with heat-blocking action in the cavity 20 of above-mentioned clamshell 2; Bonded to each other between the matching surface of interlayer 6 and inner sleeve 4, to make both mutually closely sealed or bonding integral.Above-mentioned interlayer 6 is made up of foamed plastic material, and preferably expanded polypropylene material is made.

The interlayer 6 that institute's structure is established has good heat insulating function, is conducive to the heat-insulating property strengthening clamshell 2 in the present embodiment, makes the present embodiment pressure cooker have better protection and energy-conservation and heat insulation effect.Meanwhile, interlayer 6 and inner sleeve 4 are mutually closely sealed or be bonded into one, and can strengthen the insulation effect of clamshell 2 further.For making the more environmental protection and durable of the clamshell 2 in the present embodiment, the interlayer 6 in the present embodiment preferably expanded polypropylene material is made.

Embodiment of the present invention protection energy-saving high-pressure cooker has following features: 1. the valve position hole 21 that on the clamshell 2 in the present embodiment, institute's structure is established, solve the technical problem of to carry out easy impact to voltage pot normal exhaust that heat radiating construction design faces and safe handling on the pot cover 1 of pressure cooker of the present invention, thus realize pressure cooker of the present invention and be able to more fully adiabatic covering at its heat-delivery surface in heating process of cooking and there is more preferably protection and energy-conservation and heat insulation effect, thus overcome prior art do not relate on high-pressure cooker cover 1, carry out heat radiating construction design and make the safeguard function of existing Thermo Isolation Technique scheme owe improve and the energy-conservation and dissatisfactory deficiency of heat insulation effect.2. the guiding gutter 41 that in the present embodiment, institute's structure is established, when pressure cooker of the present invention is when cooking, if there is abnormal steam discharge state and discharge more gas and form more profit in valve position hole 21, then this profit can be discharged swimmingly through above-mentioned guiding gutter 41, in order to avoid affect the normal exhaust of pressure limiting valve and the safe handling of pressure cooker, thus efficiently solve pressure cooker of the present invention and occurring the safe handling problem under abnormal steam discharge state, namely the guiding gutter 41 that institute's structure is established can make the clamshell 2 be arranged on pot cover 1 guarantee not affect the safe handling of pressure cooker of the present invention, also just overcome completely in prior art because the technical problem that may exist can not be properly settled and fail to carry out heat radiating construction design on pot cover 1 and make the deficiency that existing Thermo Isolation Technique exists.3. the heat insulating component in the present embodiment coordinates formation primarily of discrete clamshell 2 and heat insulation cylinder 92 and sleeve gasket 94 three, when pressure cooker is cooked, can according to specific needs, select one or combination accessory use, practical application can be flexible and changeable.During as started vigorous fire heating on gas-cooker when pressure cooker of the present invention, only apply mechanically clamshell 2 at pot cover 1 and on pot body 9, do not use heat insulation cylinder 92, making the side surface of pot body 9 also be in heating status; When pressure cooker is transformed to little fire heating, the side surface of pot body 9 is transformed to radiating state from heating status, now, can apply mechanically heat insulation cylinder 92 on pot body 9, reaches energy-conservation object with the heat loss reduced through pot body 9 side surface; And after pressure cooker of the present invention stops heating, bottom pressure cooker, be set with sleeve gasket 94 again, make the heat-delivery surface of pressure cooker of the present invention be able to more fully adiabatic covering and have more preferably heat insulation effect, be also more conducive to energy-conservation.When heating cooked by pressure cooker of the present invention on electromagnetic oven, pot body 9 outer surface is in radiating state all the time, now, clamshell 2 can be enclosed within pot cover 1 and to fix on pot body 9 by heat insulation cylinder 92 cover, to realize more fully adiabatic covering, reach desirable thermal insulation and energy-saving effect.4. the heat insulating component in the present embodiment is simple and compact for structure, be easy to molded, light weight is inexpensive, and combined complete is easy, safe and convenient to use, safeguard function is perfect, cook faster, insulation is more permanent, and energy-saving effect is better, cook and adopt the present embodiment pressure cooker to be conducive to energy-saving and emission-reduction, make pressure cooker of the present invention have application value.

Claims (4)

1. protect an energy-saving high-pressure cooker, comprise the pot body (9) with handle and the pot cover (1) with lid handle (13) matched with it, pot cover (1) arranges the pressure limiting valve and other safety member with bonnet (11); it is characterized in that: pot cover (1) is provided with the clamshell (2) be covered on its outer surface; Described clamshell (2) is formed by shell (3) with the inner sleeve (4) of its phase fit, has suitable spacing between both madial walls, and forms the cavity (20) closed; Described clamshell (2) is provided with and allows handle groove (22) for what dodge lid handle (13); Described clamshell (2) is provided with the valve position hole (21) for dodging pressure limiting valve bonnet (11), has suitable steam discharge space between described valve position hole (21) and all sides of bonnet (11); Described clamshell (2) is provided with the hole slot of stepping down for dodging other safety member on pot cover (1); Allow handle groove (22) and valve position hole (21) and above-mentioned hole slot of stepping down on described clamshell (2) all have complete and close sidewall of joining mutually, remain closed state to make the cavity (20) in clamshell (2); The medial surface of described clamshell (2) is corresponding with the shape of pot cover (1) outer surface, and makes both bonded to each other; The inner side of described clamshell (2) is provided with the guiding gutter (41) that the outer surface carrying over pot cover (1) from the bottom of described valve position hole (21) extends to pot cover (1) outside lower edge; Described shell (3) is made up of plastic material; Described inner sleeve (4) is made up of sheet metal; Be positioned between the lower surface in the valve position hole (21) of described shell (3) downside and pot cover (1) surface and there is suitable spacing, and be provided with around the pressure limiting valve ring set groove (31) of a week; Described ring set groove (31) is arranged with glue ring (32), and described glue ring (32) has certain elasticity and suitable height and presetting juxtaposition metamorphose surplus, keeping being close to state with the outer surface of pot cover (1); The bottom of described glue ring (32) is provided with the flow-guiding mouth (33) that valve position hole (21) and guiding gutter (41) are connected; The cross section of described glue ring (32) is in falling " Y " shape; Described shell (3) is provided with the cover cap (7) be made up of the plastic material with suitable mechanical intensity matched with valve position hole (21); Described cover cap (7) is cylindrical, and is provided with the cage apertures (72) for dodging bonnet (11), and the upper end of described cage apertures (72) is closed construction.

2. protection energy-saving high-pressure cooker according to claim 1, is characterized in that: described inner sleeve (4) preferably stainless sheet steel punching press is made.

3. protection energy-saving high-pressure cooker according to claim 1, it is characterized in that: the upper end week of described valve position hole (21), along not higher than the lower edge of pressure limiting valve cap aperture (12), is not blocked by the inwall of valve position hole (21) to make the gas sprayed from cap aperture (12).

4. protection energy-saving high-pressure cooker according to claim 1, it is characterized in that: the lower end outer wall of described cover cap (7) is provided with the screw thread with suitable height, the hole wall of described valve position hole (21) is provided with the screw thread matched with described cover cap (7) screw thread, to make can be threaded between the two.