CN105286511A

CN105286511A - Protecting energy-saving housing for pressure cooker

Info

Publication number: CN105286511A
Application number: CN201510740343.6A
Authority: CN
Inventors: 戴梦云
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-01
Filing date: 2011-08-01
Publication date: 2016-02-03
Also published as: CN105286582A; CN105286499A; CN105286606A; CN105286542A; CN105286507A; CN105286572A; CN105286561A; CN105286543A; CN105249810A; CN105286577A; CN105286591A; CN105286583A; CN105286576A; CN105286617A; CN105286532A; CN105286516A; CN105286571A; CN105286556A; CN105286598A; CN105286574A

Abstract

The invention provides a protecting energy-saving housing for a pressure cooker. The protecting energy-saving housing comprises a housing body (2) installed on a pot cover (1) in a sleeving mode. The housing body (2) is formed by a shell (3) and an inner sleeve (4) and provided with a closed cavity (20). The housing body (2) is provided with a valve position hole (21), a handle receding groove (22) and other receding hole grooves. A flow guide groove (41) is formed in the inner side of the housing body (2). An oil-water cup (5) is arranged on an outlet of the flow guide groove (41). The shell (3) is made of plastic, and the inner sleeve (4) is made of sheet metal. A ring sleeve groove (31), a rubber ring (32) and a flow guide opening (33) are arranged under the valve position hole (21). A crushed fine adiabatic dry material is arranged in the cavity (20). The protecting energy-saving housing has a safety protection function and energy-saving and heat-preserving effects without influencing safety use of the pressure cooker, is convenient to use and beneficial for energy conservation and emission reduction, and has application and popularization value.

Description

Pressure cooker protection energy-saving cover

The divisional application that the application is the applying date is on August 1st, 2011, application number is 2011102162596, denomination of invention is pressure cooker protection energy-saving cover.

Technical field

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

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

A kind of pressure cooker is the object of the present invention is to provide to protect energy-saving cover, ordinary high pressure pot adopts protection energy-saving cover of the present invention, make human body 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, and described pressure cooker protection energy-saving cover, is characterized in that: comprise the clamshell for covering its outer surface being set in pressure cooker and covering; 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 the valve position hole for dodging bonnet, has suitable steam discharge space between described valve position hole and all sides of bonnet; Described clamshell is provided with and allows handle groove for what dodge lid handle; Described clamshell is provided with the hole slot of stepping down for dodging other safety member on pot cover; Valve position hole on described clamshell and allow handle groove and described hole slot of stepping down all have complete and closely sealed sidewall, remains closed state to make the cavity in clamshell.Additional information: usually, high-pressure pot cover on market 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 of function, and offers at pot cover avris at least one to be out of shape protrusion because of abnormal pressure safe aperture for holding high-pressure cooker sealing ring; Other safety member on the pot cover of above-mentioned record just refers to the safety member except pressure limiting valve except of apolegamy on pot cover, namely refers to above-mentioned safety valve or/and safe aperture.

Object of the present invention also can be achieved in that described pressure cooker protection energy-saving cover, it is characterized in that: the medial surface of described clamshell is corresponding with the shape of pot cover outer surface, and makes both bonded to each other; The inner side of described clamshell is provided with the guiding gutter that the outer surface carrying over pot cover from the bottom in described valve position hole extends to the outside lower edge of pot cover, the pot cover surface outflow defined by described guiding gutter to make the profit in described valve position hole carry over.

Object of the present invention can also be achieved in that described pressure cooker protection energy-saving cover, it is characterized in that: be provided with the interlayer with heat-blocking action be made up of foamed plastic material in the cavity between described shell and inner sleeve; Bonded to each other between described interlayer and the matching surface of inner sleeve, to make both mutually closely sealed or bonding integral.

Pressure cooker adopts protection energy-saving cover of the present invention, the thermal insulation making the pot cover high temperature of pressure cooker surface obtain having the clamshell of heat insulating function covers, human body is made not easily to touch 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, clamshell inside 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 function, and make protection energy-saving cover of the present invention have good heat-insulating property, significantly can be slowed down the radiating rate of pressure cooker, reduces the heat loss of pressure cooker in the process of cooking, and have certain energy-conserving action; And after pressure cooker stops heating, because of the insulating characteristics of protection energy-saving cover of the present invention, and make pressure cooker can obtain longer temperature retention time after heating is cooked in stopping, namely playing good insulation effect.Therefore, pressure cooker protection energy-saving cover of the present invention, significantly can not only reduce the chance that human body is scalded pain by pressure cooker or scalds, and have good energy-conservation and heat insulation effect.

The present invention protects the valve position hole that on the clamshell in energy-saving cover, institute's structure is established, there is between valve position hole and all sides of bonnet suitable steam discharge space, clamshell of the present invention is made to cover the normal exhaust covering and can not affect pressure limiting valve at pressure cooker, namely the problem that the present invention carries out the easy impact to voltage pot safe handling that needs that thermal insulation and protective construction design face solve on high-pressure cooker cover is efficiently solved, thus cooking in heating process at pressure cooker, the present invention also can carry out thermal insulation and cover on high-pressure cooker cover.Namely under the prerequisite of not impact to voltage pot safe handling, the present invention protects energy-saving cover and can play safety protection function to human body and obtain better energy-conservation and heat insulation effect, thus overcomes existing Thermo Isolation Technique 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.

Protection energy-saving cover of the present invention is simple and light, safe and convenient to use, support the use with other thermal insulation member be arranged on pressure cooker body, there is better protection and energy-conservation and heat insulation effect, offer convenience to the use of cooking of pressure cooker, it is conducive to energy-saving and emission-reduction and has application value.

Accompanying drawing explanation

Fig. 1 is the organigram of the embodiment of the present invention one.

Fig. 2 is the right view of Fig. 1.

Fig. 3 is the left view (analysing and observe) of Fig. 1.

Fig. 4 is the upward view (locally) of Fig. 1.

Fig. 5 is the matching relationship schematic diagram of clamshell of the present invention and pot cover.

Fig. 6 is the top view (locally) of Fig. 5.

Fig. 7 is I enlarged drawing of Fig. 1.

Fig. 8 is the embodiment of the present invention two (clamshell) organigram.

Fig. 9 is the left view (analysing and observe) of Fig. 8.

In figure: pot cover 1, bonnet 11, cap aperture 12, lid handle 13, safety valve 14, clamshell 2, cavity 20, valve position hole 21, allow 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.

Detailed description of the invention

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

embodiment one

Pressure cooker protection energy-saving cover (structure is shown in Fig. 1-Fig. 7) of the embodiment of the present invention one, its construction features are: comprise the clamshell 2 for covering its outer surface be set on high-pressure cooker cover 1; 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 the valve position hole 21 for dodging 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 and allows handle groove 22 for what dodge lid handle 13.

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 being provided with the hole slot of stepping down for dodging other safety member on pot cover 1, can being set with to make clamshell 2 on pot cover 1 and using safely.

Above-mentioned valve position hole 21 and allow handle groove 22 and safety vent 23 above-mentioned hole slot of stepping down all has complete and closely sealed sidewall, remains 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, there is between valve position hole 21 and all sides of bonnet 11 suitable cavity 20, the gas of discharging from pressure limiting valve can without hindrancely be circulated, and make to be set with on pot cover 1 clamshell 2 not impact to voltage pot cooking the safe handling in heating process; Simultaneously, clamshell 2 makes the heat-delivery surface of high-pressure cooker cover 1 be able to effective adiabatic covering more comprehensively, its surface temperature is starkly lower than the surface temperature of high-pressure cooker cover 1, even if human contact does not have by the sensation of scalding to the surface of clamshell 2 yet, has the 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 pressure cooker, shorten and cook the heat time, there is energy-saving effect; After pressure cooker stops heating, clamshell 2 also has better heat insulation effect, makes pressure cooker can obtain longer temperature retention time, the chance that reheats of minimizing and be also conducive to energy-conservation.

Protect energy-saving cover 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 pressure cooker can be guaranteed, and be conducive to 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.

Bonded to each other between the clamshell 2 that institute's structure is established and high-pressure cooker cover 1 surface of applying mechanically, 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, can guarantee that clamshell 2 has good insulation effect and ease of use.When pressure cooker is when cooking, and 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 clamshell 2 keeps good insulation effect and ease of use.Meanwhile, this profit can be concentrated and flow to same exit position, can provide condition for the centralized collection of profit.

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, and the pressure cooker making employing the present invention protect energy-saving cover is cooked and used 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 inner sleeve 4 selects metal material, relative to selecting nonmetallic materials, more high temperature resistant, makes inner sleeve 4 more durable; And shell 3 is made up of adiabatic plastic material, relative to selecting metal material, there is better adiabatic and protection effect.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, makes the overall insulation effect of clamshell 2 better, and make the surface temperature rise of shell 3 less, and better protection and energy-conservation and heat insulation effect can be obtained.

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 being close to 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 good adaptation between the lower end in valve position hole 21 and pot cover 1 surface.The flow-guiding mouth 33 that institute's structure is established also is 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 between inner sleeve 4 and pot cover 1, actual capabilities exist, 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, and the performance that the glue ring 32 that cross section is " Y " shape has better using adaptability and prevents profit from infiltrating more reliably, heat insulating function and the ease of use of clamshell 2 can be improved further.

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

In the cavity 20 of clamshell 2 of the present invention, be filled with the drying material with certain heat insulating function, the energy-conservation and insulation effect of the present invention 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 drying material by paddy cot or broken thin after agricultural crop straw make.

Select dry paddy cot or broken thin agricultural crop straw to fill the cavity 20 of clamshell 2 of the present invention, the energy-conservation and heat insulation effect of the present invention can not only be strengthened, and draw materials easily and cost low, and environmental and durable.

Further structure 8: 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, described 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 pressure cooker stops heating and enters keeping warm mode, bonnet 11 can be unloaded, the cover cap 7 that above-mentioned institute structure is established can directly screw in the valve position hole 21 on clamshell 2, with the heat dissipation channel blocked or be enclosed on position, valve position hole 21, the heat loss in pressure cooker can be reduced further, to strengthen the heat insulation effect that the present invention protects energy-saving cover; The cover cap 7 of rotation set on shell 3 can use as handle, operates safer facility to make the suit of clamshell 2 of the present invention on pot cover 1.Cook in heating process at pressure cooker, then need to unload lower cover cap 7 from shell 3.

embodiment two

Pressure cooker protection energy-saving cover (structure is shown in Fig. 8-Fig. 9) of the embodiment of the present invention two.More perfect in order to make the present invention protect the function of energy-saving cover, 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 be made up of foamed plastic material 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.

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.

The pressure cooker protection energy-saving cover of the present embodiment has following features: 1. the valve position hole 21 that on the clamshell 2 of the present embodiment, institute's structure is established, solve the problem of to carry out easy impact to voltage pot normal exhaust that heat radiating construction design faces and safe handling on high-pressure cooker cover 1, thus cook in process at pressure cooker, the present embodiment protection energy-saving cover be sleeved on high-pressure cooker cover 1 can be used safely, the thermal insulation achieving the pot cover surface of the high temperature of cooking in heating process at pressure cooker covers, human body can be made to avoid contacting or touching the pot cover surface of this high temperature, the chance that remarkable minimizing human body is scalded pain by the pressure cooker of high temperature surface or scalds, serve effective safety protection function, simultaneously, clamshell 2 inside of the present embodiment is the cavity 20 closed, significantly can be slowed down the radiating rate of pressure cooker, and make pressure cooker have more preferably energy-conservation and insulation effect, overcome thermal insulation in existing Thermo Isolation Technique scheme for want of on high-pressure cooker cover 1 and protective construction design and the deficiency that exists.2. pressure cooker adopts the protection energy-saving cover of the present embodiment, if there is abnormal steam discharge state and discharge more gas and pot cover 1 in valve position hole 21 forms more profit on the surface in pressure cooker, the guiding gutter 41 that then this profit can be established through institute's structure is discharged swimmingly, in order to avoid affect the normal exhaust of pressure limiting valve, thus there is the safe handling problem under abnormal steam discharge state in the pressure cooker efficiently solving employing the present embodiment protection energy-saving cover, namely the guiding gutter 41 that the present embodiment institute structure is established can make clamshell 2 also can be adapted to pressure cooker there is abnormal steam discharge state under safe handling, make the present embodiment protect energy-saving cover and there is more perfect using adaptability.3. the present embodiment ring set groove 31 that institute's structure is established on shell 3 and the glue ring 32 that arranges can avoid the profit in valve position hole 21 infiltrate inner sleeve 4 with may exist between pot cover 1 coordinate in gap, dissatisfactory with the use of state that energy-saving cover can be adapted between inner sleeve 4 and pot cover 1 is in actual use protected to make the present embodiment, the heat insulating function that clamshell 2 also can be made to keep good, makes the present embodiment protect energy-saving cover and has better using adaptability.4. can fill the drying material with heat insulating function or be provided with the interlayer 6 be made up of foamed plastic material in the cavity 20 of the clamshell 2 of the present embodiment, the protection of clamshell 2 and energy-conservation and heat insulation effect can be strengthened further, and make protection energy-saving cover of the present invention more closing to reality need and application easy to implement.5. the protection energy-saving cover of the present embodiment is simple and light, can make to measure according to the cover structure feature of concrete and conventional model pressure cooker, safe and convenient to use; The protection energy-saving cover of the present embodiment not only can separately and the pot cover of pressure cooker with the use of, and can be supporting or combinationally use with other thermal insulation member be arranged on pressure cooker body, more conveniently bring to the use of cooking of pressure cooker, it is conducive to energy-saving and emission-reduction and has application value.

Claims

1. a pressure cooker protection energy-saving cover, is characterized in that: comprise the clamshell (2) for covering its outer surface be set on high-pressure cooker cover (1); 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 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 and allows handle groove (22) for what dodge lid handle (13); Described clamshell (2) is provided with the hole slot of stepping down for dodging other safety member on pot cover (1); Described valve position hole (21) and allow handle groove (22) and described hole slot of stepping down all have complete and closely sealed sidewall, remains closed state to make the cavity (20) in clamshell (2);

Medial surface and pot cover (1) outer surface of described clamshell (2) are 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 valve position hole (21) extends to pot cover (1) outside lower edge;

The exit position of described guiding gutter (41) is provided with has the profit cup (5) that a pair is inserted ear (51); Described 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);

Described shell (3) is made up of plastic material; Described inner sleeve (4) is made up of metallic sheet stock;

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 broken drying material with certain heat insulating function is carefully filled with in the cavity (20) of described clamshell (2).

2. pressure cooker protection energy-saving cover according to claim 1, is characterized in that: all edges, upper end of described valve position hole (21) are not higher than the lower edge of pressure limiting valve cap aperture (12).

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

4. pressure cooker protection energy-saving cover according to claim 1, is characterized in that: the cross section of described glue ring (32) is in falling " Y " shape.

5. pressure cooker protection energy-saving cover according to claim 1, is characterized in that: described drying material is made up of the cot of paddy.

6. pressure cooker protection energy-saving cover according to claim 1, is characterized in that: described drying material is made up of broken thin agricultural crop straw.