CN102973136B

CN102973136B - Protection energy-saving high-pressure cooker

Info

Publication number: CN102973136B
Application number: CN201110260478.4A
Authority: CN
Inventors: 黄昊
Original assignee: Individual
Current assignee: Dai Yongfeng
Priority date: 2011-09-06
Filing date: 2011-09-06
Publication date: 2016-06-15
Anticipated expiration: 2031-09-06
Also published as: CN106073478A; CN105962763A; CN106073479A; CN106073477A; CN102973136A

Abstract

Protection energy-saving high-pressure cooker provided by the invention, the pot cover including pot body and matching with it, pot cover is provided with clamshell; Clamshell is the integral construction being made up of plastic material; Clamshell is provided with the valve position hole with steam discharge space for dodging pressure limiting valve; Clamshell is provided with the slot to make way for dodging lid handle and the hole slot of stepping down for dodging other safety member; Respectively the step down lower surface of hole slot is sealed at pot cover outside surface, has suitable spacing, have closed cavity between clamshell and pot cover between the internal surface of clamshell and the outside surface of pot cover. Also being provided with heat insulation cylinder and cover pad on the pot body of pressure kettle of the present invention, its entirety has more preferably protection and energy-conservation and heat-insulating property, and more convenient can bring to use of cooking, and be conducive to energy-saving and emission-reduction and have application value.

Description

Protection energy-saving high-pressure cooker

Technical field

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

Background technology

The pressure cooker (hereafter claiming: pressure kettle or ordinary high pressure pot) that the public is everlasting on gas-cooker or electromagnetic oven and uses day is made up of aluminium alloy or stainless material mostly, many facilities are brought to the life of people, relative to automatic electric pressure kettle, ordinary high pressure pot can arbitrarily carry out firepower regulation and control, the use advantage having it certain at any time in the process of cooking. But, the metallic surface exposed area of ordinary high pressure pot is big, the particularly pot cover of pressure kettle, except sub-fraction is covered by the handle of pot cover, metal package major part exposes, in the process of cooking, the pot cover surface exposed is in relatively-high temperature state, and because of its surface temperature height, 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 kettle, no matter adopts gas-cooker or electromagnetic oven, the pot cover of the pressure kettle of high temperature is always in outside radiating state, again because of its surface temperature height, exposed area is big, and dispersed heat is many, particularly in the winter that envrionment temperature is lower, the temperature difference of pot cover and surrounding environment is big, 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 kettle after the heating that stops cooking.

Summary of the invention

It is an object of the invention to provide a kind of protection energy-saving high-pressure cooker, the high-pressure cooker cover surface cooked and adopt the pressure kettle of the present invention that human body can be made to avoid touching in cooking, has more perfect safety precaution effect, and has 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, the pot cover including pot body and match with it, it is characterised in that: being also provided with the clamshell being covered on its outside surface on described pot cover, described clamshell is the integral construction being made up of plastic material;

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, and described valve position hole has complete sidewall, and its lower surface is sealed on the correspondence position of pot cover outside surface;

Described clamshell is provided with the slot to make way for dodging lid handle, and described slot to make way has complete sidewall, and its lower surface is sealed on the correspondence position of pot cover and lid handle outside surface;

According to the concrete structure on pot cover, described clamshell is also provided with the hole slot of stepping down of other safety member for dodging on pot cover, so that the clamshell being set on pot cover does not affect the normal use of this safety member, and the lower surface of this hole slot of stepping down or inner face be sealed on the correspondence position of pot cover outside surface;

Except for meet closely sealed needs between the above-mentioned part outside surface allowing bit architecture and pot cover and lid handle and except contacting with each other, described clamshell there is between all the other internal surface and outside surfaces of pot cover suitable spacing;

The inner circumferential side, bottom of described clamshell is sealed on the correspondence position of pot cover circumferential lateral surface so that the pot cover of described clamshell and institute's fit cooperatively enclose close and formed close cavity.

The object of the present invention can also be realize like this, described protection energy-saving high-pressure cooker, it is characterised in that: the spillway that bottom is provided with described cavity connects in described valve position hole; The relief port that the lower inside of described clamshell is provided with described cavity connects, described relief port is arranged on the same lateral position corresponding with described spillway.

The object of the present invention can also be realize like this, described protection energy-saving high-pressure cooker, it is characterised in that: the outside of described pot body is also provided with the heat insulation cylinder being made up of foamed plastic material enclosed around it; The correspondence that the upper end of described heat insulation cylinder is provided with the handle being fixed on pot body for dodging is stepped down notch; The interior side of described heat insulation cylinder and the outside surface of pot body are bonded to each other, and described heat insulation cylinder can be overlapped and fix on pot body; Between the lower surface of described heat insulation cylinder and the face, bottom of pressure kettle pot body, there is suitable spacing so that the heating plate bottom pressure kettle is uncovered, or make pressure kettle bottom expose when pressure kettle fire heating little of combustion gas required suitable size heating surface.

The object of the present invention can also be realize like this, described protection energy-saving high-pressure cooker, it is characterised in that: the bottom of described heat insulation cylinder is provided with the heat insulation cover being made up of the foamed plastic material pad being set on bottom pressure kettle; Described cover pad is in disk shape, and is provided with the cover limit in annular that be connected integral with it; Described cover limit has suitable height, so that the lower surface of its upper surface and described heat insulation cylinder can be mutually closely sealed.

On the pot cover of pressure kettle of the present invention, structure has established clamshell, makes the pot cover surface of pressure kettle of the present invention obtain covering, and human body not easily directly touches the high-pressure cooker cover surface of high temperature. Clamshell in the present invention and the contact surface between pot cover are less, clamshell is made up of plastic material, and there is between the internal surface of clamshell and the corresponding outside surface of pot cover suitable spacing, can significantly reduce heat energy through the speed of high-pressure cooker cover surface conductance of the present invention on clamshell of the present invention, and the surface temperature making clamshell is significantly lower than the surface temperature of this pot cover, even if the surface that human body touches clamshell of the present invention also can not by boiling hot pain, namely human body is had good safety precaution effect by pressure kettle of the present invention.

Clamshell in the present invention and the pot cover of pressure kettle cooperatively enclose the cavity closing and being formed and close, be filled with in this enclosed cavity thermal conductivity low and not with the air of extraneous convection current, make clamshell that institute's structure establishes and cavity have good insulating characteristics. Therefore, clamshell in the present invention can significantly slow down the radiating rate of pressure kettle of the present invention through pot cover surface, and make pressure kettle of the present invention can reduce heat in the process of cooking further and scatter and disappear, be conducive to accelerating the process of cooking of pressure kettle, shorten and cook heat-up time, thus make pressure kettle of the present invention have good energy-saving effect when cooking and use. Equally, because the pot cover of pressure kettle of the present invention obtains the adiabatic covering of clamshell, making pressure kettle of the present invention have good heat-insulating property, pressure kettle of the present invention after the cessation of the heating, also can obtain longer soaking time.

The valve position hole that on clamshell in pressure kettle of the present invention, institute's structure is established, there is between valve position hole and all sides of bonnet suitable steam discharge space, the clamshell in the present invention is made to cover the normal exhaust that can not affect pressure limiting valve on the pot cover of pressure kettle of the present invention, thus efficiently solve the easy problem affecting pressure kettle safe handling carrying out protecting and energy-saving structure design faces on high-pressure cooker cover, the protection energy-saving high-pressure cooker of the present invention is made to realize safely the protective effect that human body is more perfect and obtain better energy-conservation and heat insulation effect, thus overcome and existing pressure kettle technology is failed reasonably carry out to protect and energy-saving structure design and making there is protection function difference and energy-conservation and heat insulation effect is not good enough waits deficiency.

Clamshell in pressure kettle of the present invention is made up of plastic material, can be once molded, technique is simple, and production cost is low, excellent heat insulating performance, and easily support the use with other thermal insulation member being arranged on pressure kettle, make the protection function of pressure kettle of the present invention more perfect, cook faster, it is more permanent to be incubated, energy-saving effect is better, and pressure kettle of the present invention can offer convenience to use of cooking, and be conducive to energy-saving and emission-reduction and have application value.

Accompanying drawing explanation

Fig. 1 is the organigram (upper part) of the embodiment of the present invention one.

Fig. 2 is the organigram (lower part coordinated with Fig. 1) of the embodiment of the present invention one.

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 in Fig. 1 enlarged view.

Figure 10 is II in Fig. 8 enlarged view.

Figure 11 is the organigram (upper part, i.e. local) of the embodiment of the present invention two.

Figure 12 is the left sectional view of Figure 11.

Figure 13 is the upward view (laying down the local after pot cover) of Figure 11.

Figure 14 is I enlarged view of Fig. 1.

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, spillway 25, relief port 26, encloses chute 27, heat dam 28, groove envelope 29, the enclosure 3, profit cup 7, inserts ear 71, jack 72, cover cap 8, cage apertures 81, cap shoulder 82, pot body 9, pot handle 91, heat insulation cylinder 92, allows handle mouth 93, cover pad 94, cover limit 95.

Embodiment

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-Figure 10) of the embodiment of the present invention one, the pot cover 1 including pot body 9 and matching with it, its construction features are: be also provided with the clamshell 2 being covered on its surface on pot cover 1; Clamshell 2 is the integral construction being made up of the plastic material with suitable mechanical intensity;

Above-mentioned 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, and valve position hole 21 has complete sidewall, and its lower surface is sealed on the correspondence position of pot cover 1 outside surface;

Above-mentioned clamshell 2 is provided with the slot to make way 22 for dodging lid handle 13, and slot to make way 22 has complete sidewall, and its lower surface is sealed on the correspondence position of pot cover 1 and lid handle 13 outside surface;

Above-mentioned clamshell 2 is provided with the safety vent 24 for dodging safety valve 14, and safety vent 24 has complete sidewall, and its lower surface is sealed on the correspondence position of pot cover 1 outside surface;

According to the concrete structure on pot cover 1, clamshell 2 is also provided with the hole slot of stepping down of other safety member for dodging on pot cover 1, so that the clamshell 2 being set on pot cover 1 does not affect the normal use of this safety member, and the lower surface of this hole slot of stepping down or inner face be sealed on the correspondence position of pot cover 1 outside surface;

Except for meeting closely sealed needs between the above-mentioned part outside surface allowing bit architecture and pot cover 1 and lid handle 13 and except contacting with each other, there is between all the other internal surfaces of clamshell 2 and the outside surface of pot cover 1 suitable spacing;

The inner circumferential side, bottom of above-mentioned clamshell 2 is sealed on the correspondence position of pot cover 1 circumferential lateral surface so that the pot cover 1 of clamshell 2 and institute's fit cooperatively enclose close and formed close cavity 23.

The valve position hole 21 that on clamshell 2 on the present embodiment pressure kettle, institute's structure is established, there is between valve position hole 21 and all sides of bonnet 11 suitable space, the gas discharged from pressure limiting valve without hindrance can be circulated, and the clamshell 2 that institute's structure is established does not affect the present embodiment pressure kettle in the safe handling cooking in heat-processed. Owing to the contact surface between clamshell 2 and pot cover 1 is less, and clamshell 2 is made up of plastic material, make the thermal energy conduction speed between pot cover 1 and clamshell 2 slow, and the surface temperature making clamshell 2 is significantly lower than the surface temperature of the present embodiment high-pressure cooker cover 1, also by boiling hot pain, will make the present embodiment pressure kettle that human body have good safety precaution effect even if human body touches clamshell 2 surface. Simultaneously, clamshell 2 on the present embodiment pressure kettle and between pot cover 1, there is suitable spacing, and both cooperatively interact and form closed cavity 23, be filled with in it thermal conductivity low and not with the air of extraneous convection current, make clamshell 2 have good heat-insulating property, the radiating rate of the present embodiment pressure kettle that can significantly slow down through pot cover 1, be conducive to accelerating the process of cooking of the present embodiment pressure kettle, shorten and cook heat-up time, there is good energy-saving effect. After the cessation of the heating, clamshell 2 also has better heat insulation effect to the present embodiment pressure kettle, makes the present embodiment pressure kettle can obtain longer soaking time, reduces the chance reheated and is also conducive to energy-conservation.

Protecting 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.

Structure 1 further: the upper end in above-mentioned valve position hole 21 is all along not higher than the lower edge of pressure limiting valve cap aperture 12, so that not blocked by the inwall in valve position hole 21 from the gas of cap aperture 12 ejection.

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 and make this gas avoid being formed profit in valve position hole 21 by the inwall in valve position hole 21, it is thus possible to guarantee the safe handling of pressure limiting valve normal exhaust and pressure kettle, and clamshell 2 is conducive to keep good insulation effect and ease of use.

Structure 2 further: the bottom in above-mentioned valve position hole 21 is provided with the spillway 25 connected with cavity 23.

The spillway 25 that institute's structure is established is easy to make to flow to pot cover 1 surface from spillway 25 in the oil-water collection in valve position hole 21, after this profit is vaporized, the gas that formed can return from spillway 25 again and emits and discharge through valve position hole 21, in order to avoid gathering state and affecting the normal exhaust of pressure limiting valve and the safe handling of this pressure kettle occur in the profit in valve position hole 21.

Structure 3 further: the lower inside of above-mentioned clamshell 2 is provided with the relief port 26 connected with cavity 23, and relief port 26 is arranged on the same lateral position corresponding with spillway 25.

When the profit flowing on pot cover 1 surface from spillway 25 fails to be vaporized completely, the profit not being vaporized can be concentrated and discharge from relief port 26, in order to avoid this profit accumulates in the normal use affecting clamshell 2 in clamshell 2 and cavity 23, and clamshell 2 is made to keep good adiabatic effect and ease of use. Oil-water collection is discharged from relief port 26, also for the centralized collection of profit provides convenient.

Structure 4 further: the bottom in above-mentioned valve position hole 21 is circumferentially provided with the annular connected with spillway 25 and encloses chute 27, is easy to concentrate pot cover 1 surface defined from spillway 25 to flow in cavity 23 so that infiltrating from valve position hole 21 in the profit enclosed in chute 27.

When the bottom in valve position hole 21 and pot cover 1 surface engagement state are not ideal enough, what institute's structure was established enclose, and chute 27 not easily makes the profit in valve position hole 21 be seeped into from arbitrary orientation affects the normal use of clamshell 2 and the centralized collection of profit in cavity 23. The shape enclosing chute 27 that institute's structure is established and big I carry out designing and making according to the specification that O RunddichtringO is conventional, the O RunddichtringO arranging this specification in chute 27 can be being enclosed when necessary, so that the closed state of cavity 23 is more desirable, thus clamshell 2 is made to keep good heat-insulating property and ease of use.

Further structure 5: the outlet position of above-mentioned relief port 26 is provided with has one to the profit cup 7 of slotting ear 71; Clamshell 2 is provided with one to the jack 72 matched with slotting ear 71, makes profit cup 7 be articulated in the outside of clamshell 2 and the edge, downside of pot cover 1, to accept the profit discharged from relief port 26.

The profit cup 7 that institute's structure is established can accept the profit discharged from relief port 26, and makes this profit avoid overflow to, on the kitchen range top, making cooking of this pressure kettle use safer facility.

Structure 6 further: being provided with the cover cap 8 being made up of plastic material in above-mentioned valve position hole 21, cover cap 8 is cylindrical, and is provided with the cage apertures 81 for dodging bonnet 11, the upper end of cage apertures 81 is for closing state; Cover cap 8 is provided with upper end, valve position hole 21 week along mutually closely sealed cap shoulder 82.

This pressure kettle is when stopping heating and need to enter keeping warm mode, bonnet 11 can be unloaded, the cover cap 8 that above-mentioned institute structure is established can directly be inserted 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, can reduce further this pressure kettle heat scatter and disappear, to strengthen the heat insulation effect of the clamshell 2 of this pressure kettle. This pressure kettle is being cooked in heat-processed, then need to unload lower cover cap 8 from clamshell 2.

Structure 7 further: be circumferentially provided with the annular heat dam 28 with Suitable depth between the interior outer circumferential side of above-mentioned clamshell 2 bottom.

The heat dam 28 that institute's structure is established makes to have ternary heat insulation layer between the interior outer circumferential side of the bottom of clamshell 2, can overcome that the contact area between the inner circumferential side, bottom of above-mentioned clamshell 2 and pot cover 1 circumferential lateral surface is bigger than normal and the deficiency brought, promote the heat-insulating property of clamshell 2 further, make the surface temperature rise of clamshell 2 lower, and make clamshell 2 have better protection and energy-conservation and heat insulation effect.

Structure 8 further: above-mentioned heat dam 28 is provided with the groove envelope 29 that cover is encapsulated on its port; Groove envelope 29 is made up of the plastic material with suitable resilient, and has the juxtaposition metamorphose surplus of pre-setting between surface corresponding to pot cover 1, can keep close-fitting state with the circumferential lateral surface of pot cover 1.

The groove that institute's structure is established seals the 29 heat insulation cavitys making heat dam 28 become closed, is conducive to promoting the heat-insulating property of clamshell 2. The groove envelope 29 being made up of elastic plastic material circumferential lateral surface that is easy and pot cover 1 keeps close-fitting state, the contact between the inner circumferential side, bottom of above-mentioned clamshell 2 and pot cover 1 circumferential lateral surface can be overcome or close-fitting state is bad and the deficiency brought, be conducive to keeping the heat-insulating property of clamshell 2.

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

The heat insulation cylinder 92 that above-mentioned structure is established makes this pressure kettle in use, and its heat radiation surface energy accesses more fully adiabatic covering, uses this pressure kettle then to have more preferably energy-saving effect on electromagnetic oven. 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, and make this pressure kettle in use, pot cover 1 normal folding on pot body 9 can be made to use, it may also be useful to more convenient. Can adopting the mode of connection of suitably tight cover between the heat insulation cylinder 92 that above-mentioned structure is established and pot body 9, heat insulation cylinder 92 can be overlapped in heat-processed cooked by this pressure kettle and fix on use on pot body 9, and without the need to other auxiliary part, one-piece construction is simple, handling use more convenient. When this pressure kettle electromagnetic oven or little fire state under gas-cooker on cook heating time, spacing between the heat insulation cylinder 92 that institute's structure is established and this pressure kettle bottom surface, heat insulation cylinder 92 is made to avoid the be heated position of pressure kettle when heating, and do not affect normally being heated of pot body 9, and the bottom making heat insulation cylinder 92 avoids the deformed damaged because of local superheating, and offer condition is set for following structure. Above-mentioned heat insulation cylinder 92 is preferably made with expanded polypropylene material, so that heat insulation cylinder 92 more environmental protection and durable, and make this pressure kettle have better energy-conservation and heat insulation effect. Illustrating: if being also provided with and the auxiliary-handle that pot handle 91 matches on the pot body 9 of this pressure kettle, the upper end of above-mentioned heat insulation cylinder 92 can be provided with the notch of stepping down for dodging this auxiliary-handle equally; Simple structure is stepped down and easy to understand because of auxiliary-handle, and in practice, the pot body 9 of little model pressure kettle does not arrange auxiliary-handle usually, heat insulation cylinder 92 does not just need to offer corresponding notch of stepping down yet, for this reason, the organigram of the present embodiment omits the drafting this part constructed.

Structure 10 further: the bottom of above-mentioned heat insulation cylinder 92 is provided with the heat insulation cover pad 94 being made up of foamed plastic material being set on bottom pressure kettle; Cover pad 94 is in disk shape, and is provided with the cover limit 95 in annular that be connected integral with it; Cover limit 95 has suitable height, so that the lower surface of its upper surface and heat insulation cylinder 92 can be mutually closely sealed.

This pressure kettle is when stopping heating and need to enter keeping warm mode, the cover pad 94 that institute's structure is established can be set in the bottom of this pressure kettle, and together with above-mentioned clamshell 2 and heat insulation cylinder 92, three coordinates jointly, the heat radiation surface of this pressure kettle is made to be able to more fully adiabatic covering, and make this pressure kettle have desirable heat insulation effect, this pressure kettle can be made to obtain longer soaking time. The present embodiment pressure kettle is after entering keeping warm mode, due under clamshell 2 and heat insulation cylinder 92 and cover pad 94 threes jointly cooperation effect, this pressure kettle heat radiation surface obtains comprehensively adiabatic covering, the longer time of the food in this pressure kettle can be made to remain on the condition of high temperature, for reaching identical effect of cooking, it is possible to suitably stop heating in advance, to shorten heat-up time of cooking, this can reduce again the energy expenditure of this pressure kettle when cooking further, and reaches energy-conservation object better. The cover pad 94 that institute's structure is established can offer convenience to the displacement after the cessation of the heating of this pressure kettle or placement, is conducive to table top human body and this pressure kettle supported to play safety precaution effect. The cover pad 94 of this pressure kettle preferably expanded polypropylene material make so that the more environmental protection and durable of the cover pad 94 established of institute's structure, and better heat preservation.

Embodiment two

The protection energy-saving high-pressure cooker (structure is shown in Figure 11 and Figure 14) of the embodiment of the present invention two. In order to make the function of the protection energy-saving high-pressure cooker of the present invention more perfect, being easier to implement and application to make it, on the basis of the embodiment of the present invention one, the further structure of the embodiment of the present invention two establishes following structure, and its benefit is also stated subsequently.

Structure 1 further: above-mentioned clamshell 2 is made up of the foamed plastic material with suitable mechanical intensity and use temperature.

Clamshell 2 in the present embodiment is made up of the foamed plastic material with suitable mechanical intensity and suitable maximum operation (service) temperature, lower more convenient with use in the hope of cost, and this pressure kettle can be made to obtain better energy-conservation and heat insulation effect. Clamshell 2 in the present embodiment preferably expanded polypropylene make, in the hope of clamshell 2 of the present invention more environmental protection and durable, and obtain desirable insulation effect, and more closing to reality needs, and makes this pressure kettle be easy to practice.

Structure 2 further: the outside surface of above-mentioned clamshell 2 is provided with the enclosure 3 with its socket; The enclosure 3 is made up of metal sheet or plastic material, and is connected with the mutually tight fit of clamshell 2 or is bonded into one.

The enclosure 3 that institute's structure is established is conducive to protection clamshell 2; to overcome its deficiency such as surperficial vulnerable to pollution and easy distortion breakage that the clamshell 2 being made up of foamed plastic material easily exists; also be conducive to strengthening the insulation effect of clamshell 2, and can more be adapted to this pressure kettle when reality uses to requirements such as the wearing quality of structure and eases of use. Clamshell 2 have employed foamed plastic material and makes, and the enclosure 3 that what it arranged shield needs according to difference to adopt plastic material or metal sheet to make, and if select metal sheet to make, then preferably make with stainless steel sheet punching press.

The protection energy-saving high-pressure cooker of the present embodiment has following feature: 1. the valve position hole 21 that on the clamshell 2 in the present embodiment, institute's structure is established, solve the easy problem affecting pressure kettle safe handling carrying out protecting and energy-saving structure design faces on high-pressure cooker cover 1, make the clamshell 2 that this pressure kettle can cover in it cooks process and use institute's structure to establish safely, thus this pressure kettle is achieved and in it cooks heat-processed, the adiabatic of high-pressure cooker cover 1 is covered, human body is made to avoid the high temperature surface touching this pot cover, significantly reduce the chance that human body is scalded pain by pressure kettle or scalds, serve effective safety precaution effect. simultaneously, the enclosed cavity 23 that clamshell on this pressure kettle 2 and pot cover 1 surround can slow down the radiating rate of this pressure kettle further, and make this pressure kettle obtain desirable energy-conservation and heat insulation effect, thus overcome and existing pressure kettle technology is failed reasonably carry out to protect and energy-saving structure design and making there is protection function difference and energy-conservation and heat insulation effect is not good enough waits deficiency. 2. the clamshell 2 in this pressure kettle is the integral construction being made up of plastic material, mould once shaped manufacture can be adopted, and easily obtain higher manufacturing accuracy, and make the closed state that the cavity 23 between clamshell 2 and pot cover 1 keeps more good, thus make the heat-insulating property that clamshell 2 keeps good, and more convenient bring to the use of this pressure kettle. 3. this pressure kettle is being cooked in heat-processed, if there is abnormal steam discharge state, the pot cover 1 in valve position hole 21 forms more profit on the surface, then this profit can institute's structure is established on clamshell 2 spillway 25 and relief port 26 be discharged, in order to avoid affecting the normal exhaust of pressure limiting valve, thus efficiently solve this pressure kettle in the safe handling problem occurred under abnormal steam discharge state, make this pressure kettle have stronger using adaptability and security.4. the heat insulating component in this pressure kettle coordinates formation primarily of discrete clamshell 2 and heat insulation cylinder 92 and cover pad 94 threes, when pressure kettle is cooked, can according to specific needs, select one or combination accessory use, practical application can be flexible and changeable. As when this pressure kettle starts vigorous fire heating on gas-cooker, only applied mechanically clamshell 2 at pot cover 1 and not using heat insulation cylinder 92 on pot body 9, make the surface, side of pot body 9 also be in heating status; When pressure kettle is transformed to little fire heating, the surface, side of pot body 9 is transformed to radiating state from heating status, now, can apply mechanically heat insulation cylinder 92 on pot body 9, reach energy-conservation object to reduce the heat through surface, pot body 9 side to scatter and disappear; And after this pressure kettle stops heating, bottom this pressure kettle, it is set with the cover pad 94 that institute's structure is established again, make the heat radiation surface of this pressure kettle 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 this pressure kettle on electromagnetic oven, pot body 9 circumferential lateral surface is in radiating state all the time, now, can by clamshell 2 and heat insulation cylinder 92 respectively correspondence be enclosed within pot cover 1 and pot body 9, so that the heat radiation surface of this pressure kettle in cooking obtains more fully adiabatic covering, to obtain desirable thermal insulation and energy-saving effect. 5. the preferred expanded polypropylene material of the clamshell 2 in this pressure kettle is made, have and it is easy to produce in enormous quantities low with production cost and use the advantages such as environmental protection portable, and there is desirable insulation effect, making the protection function of pressure kettle of the present invention more perfect, cook faster, it is more permanent to be incubated, energy-saving effect is better, more closing to reality needs, and more convenient brings to the use of cooking of this pressure kettle, and be conducive to energy-saving and emission-reduction and have application value.

Claims

1. a protection energy-saving high-pressure cooker, the pot cover (1) including a pot body (9) and match with it, described pot cover (1) is provided with the clamshell (2) being covered on its outside surface, it is characterised in that: described clamshell (2) is the integral construction being made up of plastic material; Described clamshell (2) is provided with the valve position hole (21) for dodging pressure limiting valve bonnet (11), between described valve position hole (21) and all sides of bonnet (11), there is suitable steam discharge space, described valve position hole (21) has complete sidewall, and its lower surface is sealed on the correspondence position of pot cover (1) outside surface; Described clamshell (2) is provided with the slot to make way for dodging lid handle (13) (22), and described slot to make way (22) has complete sidewall, and its lower surface is sealed on the correspondence position of pot cover (1) and lid handle (13) outside surface; According to the concrete structure on pot cover (1), described clamshell (2) is also provided with the hole slot of stepping down for other safety member dodged on pot cover (1), so that the clamshell (2) being set on pot cover (1) does not affect the normal use of this safety member, and the lower surface of this hole slot of stepping down or inner face be sealed on the correspondence position of pot cover (1) outside surface; Except for meeting closely sealed needs between the above-mentioned part outside surface allowing bit architecture and pot cover (1) and lid handle (13) and except contacting with each other, there is between all the other internal surfaces of described clamshell (2) and the outside surface of pot cover (1) suitable spacing; The inner circumferential side, bottom of described clamshell (2) is sealed on the correspondence position of pot cover (1) circumferential lateral surface so that the pot cover (1) of described clamshell (2) and institute's fit cooperatively enclose close and formed close cavity (23);The bottom of described valve position hole (21) is provided with the spillway (25) connected with described cavity (23); The lower inside of described clamshell (2) is provided with the relief port (26) connected with described cavity (23), and described relief port (26) is arranged on the same lateral position corresponding with described spillway (25).

2. protection energy-saving high-pressure cooker according to claim 1, it is characterized in that: the bottom of described valve position hole (21) is circumferentially provided with the annular connected with described spillway (25) and encloses chute (27), flowing in cavity (23) so that infiltrating pot cover (1) surface in the described profit enclosed in chute (27) defines from described spillway (25) from described valve position hole (21).