CN105520511A - Protecting and energy-saving cover of cooking pressure cooker - Google Patents

Abstract

The invention provides a protecting and energy-saving cover of a cooking pressure cooker. The protecting and energy-saving cover comprises a housing cover 2 which sleeves a cooker cover 1, wherein the housing cover 2 is composed of a metal shell 3 and a side enclosure 4, and the metal shell 3 is made from a metal thin sheet while the side enclosure 4 is made from plastic; a valve position hole 21, an avoiding groove 22 and other avoiding hole slots are formed in the housing cover 2; rubber jackets are arranged on the various hole slots; the housing cover 2 and the cooker cover 1 are matched, so that a cavity 23 is defined; the lower end of a hole cover 31 keeps spacing with the cooker cover 1; a drainage port 41 is formed in the side enclosure 4; a diversion groove 42 is formed in the side enclosure 4; and an oil-water cup 7 is arranged on the outlet position of the drainage port 41. The protecting and energy-saving cover disclosed by the invention has safety protection effect and energy-saving and heat-insulating effects, and is free from influence on the safety use of the pressure cooker; and the protecting and energy-saving cover is convenient to use and is conducive to energy conservation and emission reduction, so that the protecting and energy-saving cover has popularization and application values.

Description

Pressure cooker protection energy-saving cover

The divisional application that the application is the applying date is on September 2nd, 2011, application number is 2011102568684, 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 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 overlaps combination by metal-back and gusset and forms; Described metal-back is made up of metallic sheet stock, and described gusset cover is made up of plastic material; Described gusset cover is in annular, and its outer circumferential side and inner circumferential side, described metal-back lower end phase close-fitting, connect by mutual closely fit to make both; Described gusset cover has suitable width, to make having suitable spacing between metal-back inner circumferential side and the circumferential lateral surface of pot cover; The inner circumferential side of described gusset cover is sealed on the correspondence position of pot cover outer circumferential side; Described metal-back is provided with the valve position hole for dodging pressure limiting valve bonnet; Described valve position hole is the flanging bore with suitable height, has suitable steam discharge space between its sidewall and all sides of bonnet, and its lower surface is sealed on the correspondence position of pot cover outer surface; Described metal-back and gusset put the slot to make way be provided with for dodging lid handle, and described slot to make way has the sidewall of suitable height, and its lower surface is sealed on the outer surface correspondence position of pot cover and lid handle; Pot cover arranges other safety member structure, clamshell is provided with the hole slot of stepping down for dodging other safety member on pot cover, with the normal use making the clamshell be set on pot cover not affect this safety member, and this is stepped down, hole slot has the sidewall of suitable height, and its lower surface or inner face are sealed on pot cover outer surface; Except for meeting the above-mentioned closely sealed needs between the partial outer face of bit architecture and pot cover and lid handle and except contacting with each other of allowing, between the inner surface of described metal-back and the outer surface of pot cover, there is suitable spacing, to coordinate with pot cover to make described clamshell and surround closed cavity.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 is exactly assign the safety member except pressure limiting valve be located on pot cover, namely refers to above-mentioned safety valve or/and safe aperture.

Object of the present invention also can be realize like this, described pressure cooker protection energy-saving cover, it is characterized in that: described valve position hole lower end side is provided with the borehole jack with heat-blocking action with its phase fit, described borehole jack is made up of plastic material, and its lower surface is sealed on the correspondence position of pot cover outer surface; The lower end side of described slot to make way is provided with the trough rim cover with heat-blocking action with its phase fit, and described trough rim cover is made up of plastic material, and its lower surface is sealed on the correspondence position of pot cover and lid handle outer surface; Lower end side or interior side for dodging the hole slot of stepping down of other safety member on pot cover on clamshell are provided with hole slot of stepping down with this and are nested the gum cover with heat-blocking action closed, and the lower surface of this gum cover or inner face are sealed on the relevant position of pot cover outer surface.

Object of the present invention can also be achieved in that described pressure cooker protection energy-saving cover, it is characterized in that: the inwall of described metal-back is provided with the liner with heat-blocking action be made up of foamed plastic material; Bonded to each other between the matching surface of described liner and described metal-back, to make both can be mutually closely sealed or bonding integral; Between described liner and the outer surface of pot cover, there is suitable spacing.

Pressure cooker adapted protection energy-saving cover of the present invention, makes the pressure cooker cap surface of high temperature obtain the covering of clamshell of the present invention, and human body not easily directly touches the pot cover surface of high temperature.Clamshell in the present invention, the inner surface of its metal-back formed directly does not contact with applied mechanically pressure cooker exterior surface, there is suitable spacing between the two, the surface temperature of surface temperature lower than this pot cover of clamshell can be made, human body touch is encountered clamshell surface and can not be burned, and makes the present invention have good safety protection function to human body.

Clamshell of the present invention coordinates pot cover to surround closed cavity, be filled with in this enclosed cavity thermal conductivity factor low and not with the air of extraneous convection current, the clamshell that institute's structure is established and cavity have good insulating characteristics.Therefore, clamshell in the present invention and cavity can significantly slow down through the radiating rate of this pressure cooker cap surface, and make this pressure cooker in the process of cooking, reduce heat loss further, be conducive to the process of cooking accelerating pressure cooker, shorten and cook the heat time, thus make pressure cooker have good energy-saving effect when cooking; Further, the thermal insulation obtaining clamshell because of pot cover covers, and make this pressure cooker have better heat-insulating property and heat insulation effect, this pressure cooker after the cessation of the heating, can obtain longer temperature retention time, reduces and reheats chance and be also conducive to energy-conservation.

The valve position hole that on clamshell in the present invention, institute's structure is established and the steam discharge space between itself and bonnet, make the present invention on supporting pot cover, cover the normal exhaust that can not affect pressure limiting valve, thus efficiently solve and to carry out protecting on high-pressure cooker cover and the problem of easy impact to voltage pot safe handling that energy-saving structure design faces, protection energy-saving cover of the present invention is supported the use in pressure cooker and can realize the more perfect safety protection function of human body and obtain better energy-conservation and heat insulation effect, thus overcome prior art and fail reasonably to carry out on high-pressure cooker cover to protect and energy-saving structure design and existing pressure cooker is easily also existed when cooking and using deficiencies such as poor and the energy-conservation and heat insulation effect of safeguard function is not good enough.

The main body of the clamshell in the present invention and metal-back are that sheet metal is made, protection energy-saving cover of the present invention is constructed rationally durable, easy to use, there is good safety protection function 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 embodiment of the present invention one organigram.

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

Fig. 3 is the left sectional view of Fig. 1.

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

Fig. 5 is I zoomed-in view of Fig. 1.

Fig. 6 is the matching relationship schematic diagram (locally) of clamshell of the present invention and pot cover.

Fig. 7 is the top view (locally) of Fig. 6.

Fig. 8 is the organigram of the embodiment of the present invention two.

Fig. 9 is the left sectional view of Fig. 8.

Figure 10 is I zoomed-in view of Fig. 8.

In figure: pot cover 1, bonnet 11, cap aperture 12, lid handle 13, safety valve 14, clamshell 2, valve position hole 21, slot to make way 22, cavity 23, safety vent 24, metal-back 3, borehole jack 31, trough rim cover 32, gum cover 33, overfall 34, ring set groove 35, cushion rubber 36, gusset cover 4, relief port 41, guiding gutter 42, liner 5, profit cup 7, inserts ear 71, jack 72, cover cap 8, cage apertures 81, cap shoulder 82.

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 to Fig. 7) of the present embodiment, its construction features are: comprise the clamshell 2 for covering its outer surface be set on high-pressure cooker cover 1; Clamshell 2 overlaps 4 combinations by metal-back 3 and gusset and forms; Metal-back 3 is made up of metallic sheet stock, and gusset cover 4 is made up of plastic material;

Above-mentioned gusset cover 4 is in annular, and its outer circumferential side and inner circumferential side, metal-back 3 lower end phase close-fitting, connect by mutual closely fit to make both; Gusset cover 4 has suitable width, to make having suitable spacing between the circumferential lateral surface of metal-back 3 inner circumferential side and pot cover 1; The inner circumferential side of gusset cover 4 is sealed on the correspondence position of pot cover 1 outer circumferential side;

Above-mentioned metal-back 3 is provided with the valve position hole 21 for dodging pressure limiting valve bonnet 11; Valve position hole 21, for having the flanging bore of suitable height, has suitable steam discharge space between its sidewall and all sides of bonnet 11, its lower surface is sealed on the correspondence position of pot cover 1 outer surface;

Above-mentioned metal-back 3 and gusset cover 4 are provided with the slot to make way 22 for dodging lid handle 13, and slot to make way 22 has the sidewall of suitable height, and its lower surface is sealed on the outer surface correspondence position of pot cover 1 and lid handle 13;

Above-mentioned metal-back 3 is provided with the safety vent 24 for dodging safety valve 14, and safety vent 24 has the sidewall of suitable height, and its lower surface is sealed on the correspondence position of pot cover 1 outer surface;

Pot cover 1 arranges other safety member, clamshell 2 is provided with the hole slot of stepping down for dodging other safety member on pot cover 1, with the normal use making the clamshell 2 be set on pot cover 1 not affect this safety member, and this is stepped down, hole slot has the sidewall of suitable height, and its lower surface or inner face are sealed on pot cover 1 outer surface;

Except for meeting the above-mentioned closely sealed needs between the partial outer face of bit architecture and pot cover 1 and lid handle 13 and except contacting with each other of allowing, between the inner surface of metal-back 3 and the outer surface of pot cover 1, there is suitable spacing, to coordinate with pot cover 1 to make clamshell 2 and enclose closed cavity 23.

The valve position hole 21 that on clamshell 2 in the present embodiment, institute's structure is established and the steam discharge space between itself and bonnet 11 weeks sides, 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; Meanwhile, clamshell 2 makes the heat-delivery surface of high-pressure cooker cover 1 be able to effective adiabatic covering more comprehensively, and its surface temperature is starkly lower than the surface temperature of high-pressure cooker cover 1, and it has good safety protection function to human body; And, owing to forming closed cavity 23 between clamshell 2 and pot cover 1, 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 insulation effect and ease of use.

Further structure 2: above-mentioned gusset cover 4 is made up of the plastic material with suitable resilient.The gusset with suitable resilient overlaps 4 tolerables and there is larger foozle, and make it be easy to form good mated condition with pot cover 1, the handling of clamshell 2 on pot cover 1 can be made more convenient, and make formed cavity 23 closed state more good, be conducive to again the heat-insulating property promoting the present embodiment clamshell 2.

Further structure 3: above-mentioned valve position hole 21 lower end side is provided with the borehole jack 31 with heat-blocking action with its phase fit, and borehole jack 31 is made up of plastic material, and its lower surface is sealed on the correspondence position of pot cover 1 outer surface; The lower end side of slot to make way 22 is provided with overlaps 32 with the trough rim with heat-blocking action of its phase fit, and trough rim cover 32 is made up of plastic material, and its lower surface is sealed on the correspondence position of pot cover 1 and lid handle 13 outer surface; The lower end side of above-mentioned safety vent 24 is provided with the gum cover 33 with heat-blocking action with its phase fit, and gum cover 33 is made up of plastic material, and its lower surface is sealed on the correspondence position of pot cover 1 outer surface; Lower end side or interior side for dodging the hole slot of stepping down of other safety member on pot cover 1 on clamshell 2 are provided with hole slot of stepping down with this and are nested the gum cover with heat-blocking action closed, and the lower surface of this gum cover or inner face are sealed on the relevant position of pot cover 1 outer surface.

Borehole jack 31, trough rim cover 32, gum cover 33 and above-mentioned gum cover that institute's structure is established, the inner limit of the hole slot of metal-back 3 can be made not directly and pot cover 1 exterior surface, the heat energy that can significantly slow down conducts to the speed on metal-back 3 through pot cover 1, make the temperature rise of clamshell 2 lower, and promote the heat-insulating property of the present embodiment clamshell 2 further, make protection energy-saving cover of the present invention have better safety protection function and energy-conservation and heat insulation effect.

Further structure 4: above-mentioned borehole jack 31, trough rim cover 32, gum cover 33 and above-mentioned gum cover are made by the plastic material with suitable resilient, and its cross section is all in " H " shape.

The borehole jack 31 be made up of elastic plastic material, trough rim cover 32, gum cover 33 and above-mentioned gum cover are conducive to the foozle of allowing that metal-back 3 is larger, metal-back 3 can be made to be easier to produce and be conducive to reducing its production cost, also be easy to make to obtain between clamshell 2 with pot cover 1 and presetting coordinate requirement, make the closed state that cavity 23 keeps better, thus make clamshell 2 keep good heat-insulating property and ease of use.And the borehole jack 31 of cross section in " H " shape, trough rim cover 32, gum cover 33 and above-mentioned gum cover can make above-mentioned advantage more outstanding.

Further structure 5: the bottom of above-mentioned borehole jack 31 is provided with the overfall 34 that described valve position hole 21 is connected with cavity 23.Gusset cover 4 is provided with the relief port 41 matched with overfall 34, flows out downwards from relief port 41 to make the profit be not vaporized flowed in cavity 23 and pot cover 1 surface from overfall 34.

Apply the pressure cooker of above-mentioned structure when it cooks use, if pot cover 1 surface of the fluid of discharging bottom bonnet 11 in valve position hole 21 forms profit that is a small amount of or amount commonly, the overfall 34 that this profit can be established from institute's structure flow to pot cover 1 surface being positioned at cavity 23, 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; And the profit flow on pot cover 1 surface in cavity 23 is easily completely vaporised, the gas formed after vaporization can be emerged from overfall 34, makes clamshell 2 keep good insulation effect and ease of use.If it is more and fail to be completely vaporised after making this profit flow to be positioned at pot cover 1 surface of cavity 23 that pot cover 1 surface of the fluid of discharging bottom bonnet 11 in valve position hole 21 forms the amount of profit, the relief port 41 that institute's structure is established can make the profit be not vaporized flow out from relief port 41 and avoid accumulating in cavity 23 downwards, make clamshell 2 keep better insulation effect and ease of use, and provide advantage for the centralized collection of profit.

Further structure 6: the exit position of above-mentioned relief port 41 is provided with has the profit cup 7 that a pair is inserted ear 71; Metal-back 3 is provided with a pair jack 72 matched with slotting ear 71, makes profit cup 7 be articulated in the outside of metal-back 3 and the edge, downside of gusset cover 4 and pot cover 1, to accept the profit of discharging from relief port 41.

The profit cup 7 that institute's structure is established can accept the profit of discharging from relief port 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 7: the upper lateral part of above-mentioned gusset cover 4 is provided with and overlaps 4 both sides and the annular guiding gutter 42 extended along its circumference to gusset centered by relief port 41.Guiding gutter 42 is from its two ends shape tiltedly low gradually to relief port 41 center.

The guiding gutter 42 that institute's structure is established can block and be connected in cavity 23 and profit that pot cover 1 is not vaporized on the surface, this profit be not vaporized and pot cover 1 surface contact or holdup time can be reduced, thus can reduce and may further to vaporize the heat-energy losses that causes and be conducive to energy-conservation by profit, and make the profit in cavity 23 be easier to flow out from relief port 41 downwards, make the use of clamshell 2 more convenient.And guiding gutter 42 to relief port 41 center gradually tiltedly low more easily make in guiding gutter 42 profit flow out downwards and drain, more conveniently bring to use of the present invention.

Further structure 8: above-mentioned metal-back 3 is provided with the cover cap 8 matched with valve position hole 21, cover cap 8 is cylindrical and be made up of heat insulation plastic material; Cover cap 8 is provided with the cage apertures 81 for dodging bonnet 11, and the upper end of cage apertures 81 is closed state.Cover cap 8 is provided with takes on 82 with upper end, valve position hole 21 week along mutually closely sealed cap.Cover cap 8 preferably expanded polypropylene material is made.

At pressure cooker after the cessation of the heating, when needs enter keeping warm mode, the cover cap 8 that above-mentioned structure is established can directly be set in the valve position hole 21 on clamshell 2, to block or to be enclosed in the heat dissipation channel on position, valve position hole 21, heat loss can be reduced, to strengthen heat insulation effect of the present invention further.The cap shoulder 82 that institute's structure is established makes cover cap 8 have the effect better closing heat dissipation channel.The cover cap 8 made with expanded polypropylene material, has the advantage that light weight is inexpensive and insulation effect is excellent.

Further structure 9: above-mentioned metal-back 3 is made up of stainless sheet steel.Metal-back 3 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 clamshell 2 entirety have better insulation effect, can obtain better protection and energy-conservation and heat insulation effect.

Further structure 10: the surface spraying of above-mentioned metal-back 3 has one deck to have the plastic cement coat of heat-blocking action.Heat insulation coat on metal-back 3 surface, makes metal-back 3 can select the common metal light sheet material of more low price, and can strengthen clamshell 2 heat-insulating property further.

Further structure 11: the inwall of above-mentioned metal-back 3 is provided with the liner 5 with heat-blocking action be made up of foamed plastic material; Bonded to each other between the matching surface of liner 5 and metal-back 3, to make both can be mutually closely sealed or bonding integral; Between the outer surface of liner 5 and pot cover 1, there is suitable spacing.Liner 5 preferably expanded polypropylene material is made.

The liner 5 that institute's structure is established has good heat insulating function, is conducive to the heat-insulating property of the clamshell 2 strengthened in the present embodiment, makes the protection energy-saving cover of the present embodiment have more excellent safety protection function and energy-conservation and heat insulation effect.Suitable spacing is kept between liner 5 and pot cover 1, not only make to remain with between clamshell 2 and pot cover 1 the air adiabatic layer of suitable depth and make clamshell 2 have better heat-insulating property, and liner 5 can be made to avoid pot cover 1 surface contact with high temperature, be conducive to the service life of improving liner 5, or reduce liner 5 to the high temperature resistant requirement of adopted material.Liner 5 is made with expanded polypropylene material, makes the clamshell 2 of the present embodiment have the advantage that light weight is inexpensive and insulation effect is excellent.

embodiment two

Pressure cooker protection energy-saving cover (structure is shown in Fig. 8 to Figure 10) 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, and its benefit is also stated subsequently.

Further structure 1: between the lower surface of above-mentioned borehole jack 31 and pot cover 1 outer surface, there is suitable spacing; The lower side of borehole jack 31 is provided with around the pressure limiting valve ring set groove 35 of a week; Ring set groove 35 is arranged with the cushion rubber 36 with suitable resilient, has presetting juxtaposition metamorphose surplus between cushion rubber 36 and the corresponding surface of pot cover 1, can keep close-fitting state with the outer surface of pot cover (1).The cross section of cushion rubber 36 is in falling " Y " shape.Cushion rubber 36 lower side is provided with overfall 34.

The ring set groove 35 that institute's structure is established on borehole jack 31 and the cushion rubber 36 arranged are conducive to allowing that borehole jack 31, trough rim cover 32, gum cover 33 and aforesaid gum cover have larger manufacture and mismatch error, also cavity 23 can be made to keep better closed state, thus make clamshell 2 keep good heat-insulating property and using adaptability and convenience.Above-mentioned cushion rubber 36 can adopt cross section to be circular conventional apron, comparatively speaking, cross section has better using adaptability in falling the cushion rubber 36 of " Y " shape, the cavity 23 enclosed between clamshell 2 and pot cover 1 can be made to keep better closed state, thus make the present invention have better energy-conservation and heat insulation effect, and the present invention is made to have more reasonably anufacturability and ease of use on the whole.And the overfall 34 set by cushion rubber 36 lower side, also be easy to make to flow to pot cover 1 surface from overfall 34 in the oil-water collection in valve position hole 21, 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, keep good heat insulating function and safety in utilization to make clamshell 2.The borehole jack 31 with ring set groove 35 that in the present embodiment, structure is established makes the pressure cooker of the present embodiment protection energy-saving cover have certain flexibility when practical application, as when reality uses, can unload or not be set with above-mentioned cushion rubber 36, the gap that spacing between the lower surface of then above-mentioned borehole jack 31 and pot cover 1 outer surface is formed make the profit in valve position hole 21 can from this gap dispersion train to pot cover 1 surface and be easily fully vaporized prior, and the gas after being vaporized can be discharged from this gap again, this can strengthen safety in utilization and the convenience of clamshell 2; Although the heat insulating function of this actual occupation mode to clamshell 2 slightly weakens, and does not affect the safety protection function of clamshell 2.

Further structure 2: be provided with the cover cap 8 matched with borehole jack 31 in above-mentioned valve position hole 21, cover cap 8 is cylindrical and be made up of plastic material; Cover cap 8 is provided with the cage apertures 81 for dodging bonnet 11, and the upper end of cage apertures 81 is closed state; The outer wall lower end of cover cap 8 is provided with the screw thread with suitable height, and borehole jack 31 inwall is provided with the screw thread matched with it, to make can be threaded between the two.Cover cap 8 is provided with takes on 82 with borehole jack 31 upper end week along mutually closely sealed cap.

When pressure cooker stops heating and enters keeping warm mode, bonnet 11 can not be unloaded, the cover cap 8 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 8 of rotation set on borehole jack 31 can use as handle again, operates safer facility to make the suit of clamshell 2 of the present invention on pot cover 1.The cap shoulder 82 that institute's structure is established makes cover cap 8 have the effect better closing heat dissipation channel.Cook in heating process at pressure cooker, then need to unload lower cover cap 8 from borehole jack 31.

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 in the present embodiment, institute's structure is established, solve and to carry out protecting on high-pressure cooker cover 1 and the problem of easy impact to voltage pot safe handling that energy-saving structure design faces, make the present embodiment protect energy-saving cover to cover in process cooked by pressure cooker and use safely, thus achieve and in heating process cooked by pressure cooker, the thermal insulation of high-pressure cooker cover 1 is covered, human body is made to avoid touching the high temperature surface of this pot cover, 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, the clamshell 2 of the present embodiment cooperatively encloses closed cavity 23 with the pot cover 1 of institute's fit, significantly can be slowed down the radiating rate of pressure cooker, and make pressure cooker obtain more preferably energy-conservation and heat insulation effect, thus overcome prior art and fail reasonably to carry out on high-pressure cooker cover to protect and energy-saving structure design and existing pressure cooker is easily also existed when cooking and using deficiencies such as poor and the energy-conservation and heat insulation effect of safeguard function is not good enough.2. the cross section that the present embodiment institute structure is established is " H " shape and the borehole jack 31 be made up of soft plastic material, trough rim cover 32, gum cover 33 and other gum cover, make the inner limit of the hole slot of metal-back 3 not directly and pot cover 1 exterior surface, not only can promote the heat-insulating property of the clamshell 2 in the present embodiment further, and the cavity 23 enclosed between clamshell 2 and pot cover 1 can be made to keep more good closed state, make protection energy-saving cover of the present invention have better energy-conservation and heat insulation effect, and manufacture to it and use bring more convenient.3. pressure cooker adopts protection energy-saving cover of the present invention, if pressure cooker occurs abnormal steam discharge state and pot cover 1 in valve position hole 21 forms more profit on the surface, then the overfall 34 that can establish through the present embodiment institute structure of this profit and relief port 41 are discharged, 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, make the clamshell 2 of the present embodiment more 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 stronger using adaptability and security.4. at the insulating inner lining 5 be made up of foamed plastic material that the present embodiment clamshell 2 inwall is ad hoc, the heat-insulating property of further raising clamshell 2, significantly can strengthen the present embodiment protection protection of energy-saving cover and energy-conservation and heat insulation effect, 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 mainly adopts sheet metal to make, rational in infrastructure durable, can be supporting, safe and convenient to use according to the customization of high-pressure cooker cover design feature; 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, and be conducive to energy-saving and emission-reduction and there is application value.

Claims (5)

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 combined by metal-back (3) and gusset cover (4) and forms; Described metal-back (3) is made up of metallic sheet stock, and described gusset cover (4) is made up of plastic material; Described gusset cover (4) is in annular, and its outer circumferential side and metal-back (3) inner circumferential side, lower end phase close-fitting, to make both closely fit connections mutually; Described gusset cover (4) has suitable width, to make having suitable spacing between the circumferential lateral surface of metal-back (3) inner circumferential side and pot cover (1); The inner circumferential side of described gusset cover (4) is sealed on the correspondence position of pot cover (1) outer circumferential side; Described metal-back (3) is provided with the valve position hole (21) for dodging pressure limiting valve bonnet (11); Described valve position hole (21) is for having the flanging bore of suitable height, between all sides of its sidewall and bonnet (11), there is suitable steam discharge space, described valve position hole (21) lower end side is provided with the borehole jack (31) with heat-blocking action with its phase fit, described borehole jack (31) is made up of plastic material, and its lower surface is sealed on the correspondence position of pot cover (1) outer surface; Described metal-back (3) and gusset cover (4) are provided with the slot to make way (22) for dodging lid handle (13), described slot to make way (22) has the sidewall of suitable height, the lower end side of described slot to make way (22) is provided with the trough rim cover (32) with heat-blocking action with its phase fit, described trough rim cover (32) is made up of plastic material, and its lower surface is sealed on the correspondence position of pot cover (1) and lid handle (13) outer surface; Clamshell (2) is provided with the hole slot of stepping down for dodging other safety member on pot cover (1), this hole slot of stepping down has the sidewall of suitable height, and this is stepped down, the lower end side of hole slot or interior side are provided with the gum cover with heat-blocking action with its phase fit, and the lower surface of this gum cover or inner face are sealed on the relevant position of pot cover (1) outer surface; Except for meeting the above-mentioned closely sealed needs between the partial outer face of bit architecture and pot cover (1) and lid handle (13) and except contacting with each other of allowing, between the inner surface of described metal-back (3) and the outer surface of pot cover (1), there is suitable spacing, to coordinate with pot cover (1) to make described clamshell (2) and surround closed cavity (23);

Between the lower surface of described borehole jack (31) and pot cover (1) outer surface, there is suitable spacing; Described gusset cover (4) is provided with the relief port (41) matched with described overfall (34), can flow out downwards to make the profit be not vaporized flowed in cavity (23) and pot cover (1) surface from overfall (34) from relief port (41); The upper lateral part of described gusset cover (4) is provided with the annular guiding gutter (42) extended to gusset cover (4) both sides and along its circumference centered by relief port (41); The exit position of described relief port (41) is provided with has the profit cup (7) that a pair is inserted ear (71); Described metal-back (3) is provided with a pair jack (72) matched with slotting ear (71), makes profit cup (7) be articulated in the outside of metal-back (3) and the edge, downside of gusset cover (4) and pot cover (1), to accept the profit of discharging from relief port (41).

2. pressure cooker protection energy-saving cover 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).

3. pressure cooker protection energy-saving cover according to claim 1, is characterized in that: described gusset cover (4) is made up of the plastic material with suitable resilient.

4. pressure cooker protection energy-saving cover according to claim 1, is characterized in that: described metal-back (3) is made up of stainless sheet steel.

5. pressure cooker protection energy-saving cover according to claim 1, is characterized in that: the surface spraying of described metal-back (3) has one deck to have the plastic cement coat of heat-blocking action.