CN104887066A - Electric pressure cooker with air extraction function - Google Patents
Electric pressure cooker with air extraction function Download PDFInfo
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- CN104887066A CN104887066A CN201510356494.1A CN201510356494A CN104887066A CN 104887066 A CN104887066 A CN 104887066A CN 201510356494 A CN201510356494 A CN 201510356494A CN 104887066 A CN104887066 A CN 104887066A
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Abstract
The invention relates to the technical field of a pressure cooker and discloses an electric pressure cooker with an air extraction function. The electric pressure cooker comprises a cooker body, a cooker cover, an external pot and an internal pot, wherein the cooker cover comprises an internal cover and an external cover; a flanged edge extends outward from the upper edge of the internal pot; a circle of folded edge extends outward from the external edge of the flanged edge; an internal seal ring and an external seal ring are arranged between the internal cover and the internal pot; the internal side of the lower part of the external seal ring is attached to the external side of the folded edge of the internal pot; the upper part of the external seal ring is attached to the internal side of the internal cover; the internal cover is connected with a hose; one end of the hose is communicated to the internal side of the internal cover; a mini-type vacuum pump is arranged inside the pot body; the other end of the hose is communicated to the mini-type vacuum pump. The electric pressure cooker solves the problem that remaining food in the cooker has short freshness lifetime; the mini-type vacuum pump is started to extract residual air in the cooker, meanwhile, pressure inside the cooker is reduced, so that the external seal ring is clung to the external side of the folded edge, outside air cannot enter the cooker, a purpose of keeping fresh the residual food is achieved, and the electric pressure cooker is convenient for users to use.
Description
Technical field
The present invention relates to pressure cooker technical field, more specifically relate to the electric pressure cooking saucepan that a kind of band is bled.
Background technology
General pressure cooker, namely alleged in our daily life pressure cooker, heating water and food under the state by sealing in pot, water is by boiled rear generation steam, air pressure in pot is raised, after pressure in pot raises, the boiling point of water also increases, thus the temperature in pot is improved greatly, to reach the object of rapid cooking food.
Along with the development of science and technology, electric pressure cooking saucepan that is more energy-conservation, secured fashion is adopted to start to occur in the market.From market manifestation, it instead of conventional pressure pot gradually.Electric pressure cooking saucepan is the upgrading products of optimizing integration of traditional pressure cooker and electric cooker, it has gathered the advantage of pressure cooker and electric cooker, electric energy is used to heat under the state sealed in pot, not only environmental protection but also convenient and swift, many-sided culinary art needs can be met, and the automatic-cooking of various modes is realized by Intelligent control circuit system, it is energy-conservation, quick, the characteristic of environmental protection is the direction that modern pursues.
Along with enriching of people's material conditions; sometimes user uses electric pressure cooking saucepan cooking food more; often some foods can be remained in pot after edible; throw away these foods and can think that some is wasted; if be placed in pot always; owing to remaining oxygen in pot; and the pot external and internal pressure sealing ring that causes in a basic balance cannot seal completely; air can free flow; within several hours, also easily cause food spoilage or stale and lose the original taste of food even if preserve, carry out sealing preserve or cold fresh preservation so generally can pour out.Two kinds of store methods all need food to pour out, and also need food to import in pot to heat when again eating, especially cold fresh preservation needs to consume more energy heat food again, makes troubles to the use of user again.
Summary of the invention
The present invention overcomes the problem that in above-mentioned prior art, in pot, leftover fresh keeping time is short, provides the electric pressure cooking saucepan that a kind of band extending fresh keeping time is bled.
The present invention is achieved through the following technical solutions above-mentioned purpose.
The electric pressure cooking saucepan that band is bled, comprises a pot body, pot cover, outer pot, interior pot, and wherein outer pot is supported in pot body, and interior pot is placed in outer pot, and pot cover comprises enclosing cover and inner cap, and inner cap is placed in enclosing cover, and enclosing cover is rotatablely fastened on outer pot, and inner cap is buckled on interior pot; Interior pot top outwards extends a circle flange obliquely, the outer of flange extends a circle flanging straight down, inner seal ring and exterior seal ring is provided with between inner cap and interior pot, in the bottom laminating of inner seal ring inside pot, inside the top laminating inner cap of inner seal ring, outside the flanging of the interior pot of exterior seal ring lower inside laminating, inside exterior seal ring top laminating inner cap; Inside cover and be connected with flexible pipe, the sealing of flexible pipe one end is communicated to inside inner cap; Be provided with minipump in pot body, the other end of flexible pipe is communicated to minipump.
Existing electric pressure cooking saucepan principle is identical when heating cooking with on the market for electric pressure cooking saucepan in this programme, the exterior seal ring of increase, flexible pipe and the minipump not sealing property of disintegration voltage power pot and the protective effect of other safety device.When heating cooking, minipump shutoff flexible pipe, pot inner pressure can not from hose pressure release.Cause interior pot to move down when pot inner pressure is excessive, high steam sprays between inner seal ring and interior pot, then also can wash exterior seal ring open to carry out pressure release, and therefore exterior seal ring does not have the original overpressure protection performance of disintegration voltage power pot yet.When there being leftover to need fresh-keeping in pot, cover pot cover, start minipump, extract the residual air in pot out, pot inner pressure diminishes simultaneously, ambient pressure makes exterior seal ring be close to outside the flanging of interior pot, make to be in sealing state in pot, outside air cannot enter, and reaches the object that leftover is fresh-keeping for a long time, leftover is poured out fresh-keeping separately without the need to user, greatly facilitate the use of user.
In order to prevent impacting minipump at heating cooking process mesohigh gas, to extend the service life of minipump, be also communicated with gas magnetic valve between above-mentioned flexible pipe and minipump, gas magnetic valve is arranged in above-mentioned pot body.
The lower edge of above-mentioned exterior seal ring is no more than edge under the flanging of above-mentioned interior pot.If the lower edge of exterior seal ring exceedes edge under the flanging of interior pot, have the part exceeded when negative pressure inwardly to shrink in pot and cause pot cover not easily to be opened, therefore improvement project limits the lower to length of exterior seal ring further.
Above-mentioned pot cover is provided with float-controlled valve, float-controlled valve comprises the bowl-shape flexible seal ring of float valve seat, float spool and upper and lower opening, float spool is slidably fitted in float valve seat, the upper shed of bowl-shape flexible seal ring and the lower end close-fitting of float valve seat, the under shed of bowl-shape flexible seal ring and the lower end close-fitting of float spool.The sealing property of common float-controlled valve in pot under atmospheric pressure state is general, in extraction pot after air a period of time, outside air easily enters in pot from float-controlled valve, and therefore this improvement project adopts the above-mentioned float-controlled valve with bowl-shape flexible seal ring, improves the sealing of electric pressure cooking saucepan.
Heater circuit is provided with and circuit of bleeding in above-mentioned pot body, but electric pressure cooking saucepan heating is pressurization in pot, bleed is that pot inner pressure reduces process, therefore also interlock switch is provided with for preventing two circuit from opening in pot body simultaneously, a position of interlock switch is communicated with heater circuit and disconnects circuit of bleeding, and another position of interlock switch disconnects heater circuit and is communicated with circuit of bleeding.
The thickness of above-mentioned exterior seal ring is 2 ~ 3mm, when pot inner pressure reduces, ensure that extraneous normal ambient pressure can make exterior seal ring be close to outside the flanging of interior pot, make to be in sealing state in pot, if the too thick meeting of the thickness of exterior seal ring offsets normal ambient pressure under its own resilient, but also can increase cost; If the thickness of exterior seal ring is too thin, easily causes exterior seal ring to be out of shape during fastening, cannot sealing effectiveness be obtained.
The laminating of the flanging of above-mentioned exterior seal ring and above-mentioned interior pot is highly 5 ~ 10mm, and excessive height of herein fitting is unfavorable for that fastening operate, fit highly too short may to cause in exterior seal ring on recessed interior pot along and distortion generation gap, be unfavorable for sealing.
The present invention compared with prior art mainly has following beneficial effect: when having leftover in pot, carry out air suction process to be discharged by the air in pot, make the amount of oxygen in pot few, sealing in pot stops outside air to enter by exterior seal ring simultaneously, extend the fresh keeping time of leftover, leftover is poured out fresh-keeping separately without the need to user, greatly facilitate the use of user.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the embodiment of the present invention.
Fig. 2 is the cross-sectional view of interior pot in the embodiment of the present invention.
Fig. 3 is the cross-sectional view of inner seal ring in the embodiment of the present invention.
Fig. 4 is the partial enlargement structural representation at K place in Fig. 1.
Fig. 5 is the cross-sectional view of float-controlled valve in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
In order to more succinct explanation the present embodiment, in accompanying drawing or explanation, some well known to a person skilled in the art but can omit to some extent with the incoherent parts of the main contents of the invention.In addition for ease of statement, in accompanying drawing, some parts has omission, zooms in or out, but does not represent size or the entire infrastructure of actual product.
Embodiment:
As shown in Figure 1, a kind of pot cover is hinged on by cantilever the electric pressure cooking saucepan that the band on pot body bleeds, comprise pot body 1, enclosing cover 2, inner cap 3, outer pot 4, interior pot 5, wherein outer pot 4 is supported in pot body 1, interior pot 5 is placed in outer pot 4, inner cap 3 is placed in enclosing cover 2, enclosing cover 2 is rotatablely fastened on outer pot 4, inner cap 3 is fastened on interior pot 5, inner seal ring 6 and exterior seal ring 7 is provided with between inner cap 3 and interior pot 5, inner cap 3 is connected with flexible pipe 8, in pot body 1, is provided with interconnective gas magnetic valve 9 and minipump 10.The sealing of flexible pipe 8 one end is communicated to inside inner cap 3, and the other end is communicated to gas magnetic valve 9.
As shown in Figure 2, interior pot 5 top outwards also extends a circle flange 51 obliquely, and the flange 51 of inclination is conducive to the laminating of inner seal ring 6, and the outer of flange 51 extends a circle flanging 52 straight down.
As shown in Figure 3, inner seal ring 6 is inverted " people " font and comprises upper labial plate 61 and labial plate 62.
As shown in Figure 4, labial plate 62 is fitted in inside flange 51, and upper labial plate 61 to be fitted in inside inner cap 3 and to be fixed on inner cap 3.
Exterior seal ring 7 lower inside be vertically circular and laminating in pot 5 flanging 52 outside, exterior seal ring top laminating inner cap 3 inside and be fixed on inner cap 3.
In the present embodiment, the thickness of exterior seal ring 7 is 2mm, when pot inner pressure reduces, ensure that extraneous normal ambient pressure can make exterior seal ring 7 be close to outside the flanging 52 of interior pot 5, make to be in sealing state in pot, if the too thick meeting of the thickness of exterior seal ring 7 offsets normal ambient pressure under its own resilient, but also can increase cost; If the thickness of exterior seal ring 7 is too thin, easily causes exterior seal ring 7 to be out of shape during fastening, cannot sealing effectiveness be obtained.
In the present embodiment, exterior seal ring 7 be highly 8mm with the laminating of the flanging 52 of interior pot 5, and excessive height of herein fitting is unfavorable for that fastening operate, fit highly too shortly may to cause in exterior seal ring 7 edge on recessed interior pot and be out of shape generation gap, is unfavorable for sealing.
If the lower edge of exterior seal ring 7 exceedes flanging 52 times edges of interior pot 5, the part exceeded inwardly may be shunk and be caused inner cap 3 not easily to be opened under ambient pressure effect, and therefore in the present embodiment, the lower edge of exterior seal ring 7 is no more than flanging 52 times edges of interior pot 5.
The sealing property of common float-controlled valve in pot under atmospheric pressure state is general, in extraction pot after air a period of time, outside air easily enters in pot from float-controlled valve, therefore the present embodiment adopts the float-controlled valve 11 of better tightness as shown in Figure 5, comprise the bowl-shape flexible seal ring 113 of float valve seat 111, float spool 112 and upper and lower opening, float spool 112 is slidably fitted in float valve seat 111, the upper shed of bowl-shape flexible seal ring 113 and the lower end close-fitting of float valve seat 111, the under shed of bowl-shape flexible seal ring 113 and the lower end close-fitting of float spool 112.
Heater circuit is provided with in pot body 1 and circuit (not shown) of bleeding in the present embodiment, but electric pressure cooking saucepan heating is pot inner pressure increase process, bleed is that pot inner pressure reduces process, two processes are contrary, therefore interlock switch (not shown) is also provided with for preventing two circuit from opening in pot body 1 simultaneously, a position of interlock switch is communicated with heater circuit and disconnects circuit of bleeding, and another position of interlock switch disconnects heater circuit and is communicated with circuit of bleeding.
Existing electric pressure cooking saucepan principle is identical when heating cooking with on the market for electric pressure cooking saucepan in the present embodiment, the exterior seal ring 7 of increase, flexible pipe 8, gas magnetic valve 9, the minipump 10 not sealing property of disintegration voltage power pot and the protective effect of other safety device.When heating cooking, gas magnetic valve 9 is in closed condition, and namely flexible pipe 8 is sealed condition, and pot inner pressure can not from flexible pipe 8 pressure release; Cause interior pot 5 to move down when pot inner pressure is excessive, high steam sprays between inner seal ring 6 and interior pot 5, and then can wash exterior seal ring 7 open to carry out pressure release, therefore exterior seal ring 7 does not have the original overpressure protection performance of disintegration voltage power pot yet yet.When there being leftover to need fresh-keeping in pot, cover pot cover, start gas magnetic valve 9 and minipump 10, minipump 10 is communicated with flexible pipe 8, extract the residual air in pot out, pot inner pressure diminishes simultaneously, and ambient pressure makes exterior seal ring 7 be close to outside the flanging 61 of interior pot 6, makes to be in sealing state in pot, outside air cannot enter, reach the object that leftover is fresh-keeping for a long time, leftover is poured out fresh-keeping separately without the need to user, greatly facilitate the use of user.
These are only a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all the present invention of utilization conceive the insubstantial modifications made the present invention, all fall within protection scope of the present invention.
Claims (7)
1. the band electric pressure cooking saucepan of bleeding, comprise a pot body, pot cover, outer pot, interior pot, wherein outer pot is supported in pot body, interior pot is placed in outer pot, pot cover comprises enclosing cover and inner cap, inner cap is placed in enclosing cover, enclosing cover is rotatablely fastened on outer pot, inner cap is buckled on interior pot, it is characterized in that, described interior pot top outwards extends a circle flange obliquely, the outer of flange extends a circle flanging straight down, inner seal ring and exterior seal ring is provided with between described inner cap and interior pot, in the bottom laminating of inner seal ring inside pot, inside the top laminating inner cap of inner seal ring, outside the flanging of the interior pot of exterior seal ring lower inside laminating, inside exterior seal ring top laminating inner cap, inside cover and be connected with flexible pipe, the sealing of flexible pipe one end is communicated to inside inner cap, be provided with minipump in described pot body, the other end of flexible pipe is communicated to minipump.
2. the band according to claim 1 electric pressure cooking saucepan of bleeding, it is characterized in that, be communicated with gas magnetic valve between described flexible pipe and minipump, gas magnetic valve is arranged in described pot body.
3. the band according to claim 1 electric pressure cooking saucepan of bleeding, is characterized in that, the lower edge of described exterior seal ring is no more than edge under the flanging of described interior pot.
4. the band according to claim 1 electric pressure cooking saucepan of bleeding, it is characterized in that, described pot cover is provided with float-controlled valve, float-controlled valve comprises the bowl-shape flexible seal ring of float valve seat, float spool and upper and lower opening, float spool is slidably fitted in float valve seat, the upper shed of bowl-shape flexible seal ring and the lower end close-fitting of float valve seat, the under shed of bowl-shape flexible seal ring and the lower end close-fitting of float spool.
5. the band according to claim 1 electric pressure cooking saucepan of bleeding, it is characterized in that, be provided with heater circuit in described pot body, bleed circuit and interlock switch, a position of interlock switch is communicated with heater circuit and disconnects circuit of bleeding, and another position of interlock switch disconnects heater circuit and is communicated with circuit of bleeding.
6. the band according to claim 1 electric pressure cooking saucepan of bleeding, it is characterized in that, the thickness of described exterior seal ring is 2 ~ 3mm.
7. the band according to claim 1 electric pressure cooking saucepan of bleeding, it is characterized in that, the laminating of the flanging of described exterior seal ring and described interior pot is highly 5 ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510356494.1A CN104887066B (en) | 2015-06-25 | 2015-06-25 | A kind of electric pressure cooking saucepan of band pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510356494.1A CN104887066B (en) | 2015-06-25 | 2015-06-25 | A kind of electric pressure cooking saucepan of band pumping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104887066A true CN104887066A (en) | 2015-09-09 |
| CN104887066B CN104887066B (en) | 2017-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510356494.1A Expired - Fee Related CN104887066B (en) | 2015-06-25 | 2015-06-25 | A kind of electric pressure cooking saucepan of band pumping |
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| CN (1) | CN104887066B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107048995A (en) * | 2017-06-14 | 2017-08-18 | 张毅蔚 | One kind adds water, and vacuum tank is stewed to stew |
| CN108324116A (en) * | 2017-01-20 | 2018-07-27 | 浙江苏泊尔家电制造有限公司 | Cooking apparatus |
| CN108784330A (en) * | 2017-04-28 | 2018-11-13 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
| CN108926241A (en) * | 2017-05-27 | 2018-12-04 | 佛山市顺德区美的电热电器制造有限公司 | The soup cooking method and cooking apparatus of cooking apparatus |
| CN108926242A (en) * | 2017-05-27 | 2018-12-04 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and its control method |
| CN109938586A (en) * | 2017-12-21 | 2019-06-28 | 深圳卓和云投资控股有限公司 | A kind of soft pot of air-breathing and its control method |
| WO2022267101A1 (en) * | 2021-06-25 | 2022-12-29 | 杭州荣灿科技有限公司 | Pressure cooker with negative pressure vacuum state |
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Patent Citations (8)
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| CN2774346Y (en) * | 2005-02-25 | 2006-04-26 | 徐伟民 | Freshness keeping electric rice cooker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107048995A (en) * | 2017-06-14 | 2017-08-18 | 张毅蔚 | One kind adds water, and vacuum tank is stewed to stew |
| CN109938586A (en) * | 2017-12-21 | 2019-06-28 | 深圳卓和云投资控股有限公司 | A kind of soft pot of air-breathing and its control method |
| CN109938586B (en) * | 2017-12-21 | 2024-02-13 | 深圳市枣橙科技有限公司 | Air suction soft pot and control method thereof |
| WO2022267101A1 (en) * | 2021-06-25 | 2022-12-29 | 杭州荣灿科技有限公司 | Pressure cooker with negative pressure vacuum state |
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| CN104887066B (en) | 2017-11-14 |
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Granted publication date: 20171114 Termination date: 20210625 |