CN103445668B - A kind of pressure limiting valve and electric pressure cooking saucepan - Google Patents
A kind of pressure limiting valve and electric pressure cooking saucepan Download PDFInfo
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- CN103445668B CN103445668B CN201310369127.6A CN201310369127A CN103445668B CN 103445668 B CN103445668 B CN 103445668B CN 201310369127 A CN201310369127 A CN 201310369127A CN 103445668 B CN103445668 B CN 103445668B
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- blast pipe
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Abstract
The present invention relates to electric pressure cooking saucepan technical field, technical problem to be solved is to provide one and has boiling, sealing, be vented three kinds of states, food is avoided to be heated uneven pressure limiting valve, comprise valve body, blast pipe and valve seat, described blast pipe is arranged on valve seat, described valve body is located on blast pipe and is sealed by blast pipe, described valve body comprises the first valve body and the second valve body, described first valve body to be located on blast pipe and to be provided with the first guide pad and the second guide pad, described second valve body is provided with the first guide rail and has boiling position and sealing station, described second valve body opposite valve seat only can move up and down, described valve seat is provided with the second guide rail and has exhaust position, when the first guide pad is positioned at boiling position, without active force between first guide pad and the first guide rail, when the first guide pad is positioned at sealing station, the first guide pad supports the first guide rail, when the second guide pad is positioned at exhaust position, the second guide pad of the second guide supporting.
Description
Technical field
The present invention relates to electric pressure cooking saucepan technical field, more specifically, relate to a kind of pressure limiting valve and electric pressure cooking saucepan.
Background technology
In actual life, pressure cooker, also known as pressure cooker, can shorten the time of culinary art, economize energy greatly.The principle of pressure cooker is subject to effects of air pressure according to the boiling point of water, and air pressure is higher, and boiling point is higher.Be the environment of HTHP in pressure cooker, food easily boils.Certainly, the pressure in pressure cooker can not limit, and not so easily blasts, causes security incident, therefore needs in pressure cooker to use pressure limiting valve to regulate.
In prior art, the operation principle of traditional pressure limiting valve is: use Stress control sensing device, when pot inner pressure exceedes set voltage limiting value, and machine auto-breaking; Reheat again after pressure reduces, guarantee that the pressure in pot remains in certain scope.Its voltage-limiting protection is: when pressure control device lost efficacy and pressure durations rising for some reason, when reaching pressure limiting pressure, and air pressure washes pressure limiting valve venting open, carrys out limiting pressure and rises.
At present, pressure limiting valve only has sealing and exhaust two duties mostly.Pressure cooker is when cooking food (such as cooking), and sealing state is transferred to by pressure limiting valve.Owing to being HTHP in pressure cooker, water does not reach boiling point, and food is in without fluidized state in whole cooking process, not experiencing boiling and stirring the problems such as inequality, upper lower leaf, mouthfeel be not good that easily cause food to be heated.After culinary art completes, pressure limiting valve is transferred to exhaust condition, discharges the steam pressure in pot fast, reduce pot inner pressure.
In order to solve the problem, need the voltage limiting value of regulation pressure-limiting valve, make pressure limiting valve not only have sealing and exhaust two states.And the voltage limiting value of pin type pressure limiting valve is determined by the ratio of the aperture of blast pipe and pressure limiting valve body weight, change the voltage limiting value of one of them parameter with regard to energy regulation pressure-limiting valve.
Summary of the invention
The present invention is intended to solve the problems of the technologies described above at least to a certain extent.
The object of this invention is to provide one and there are boiling, sealing, exhaust three kinds of states, avoid food to be heated uneven pressure limiting valve.
A further object of the present invention is to provide a kind of electric pressure cooking saucepan with above-mentioned pressure limiting valve.
The technical solution adopted for the present invention to solve the technical problems is: a kind of pressure limiting valve, comprise valve body, blast pipe and valve seat, described blast pipe is arranged on valve seat, described valve body is located on blast pipe and is sealed by blast pipe, described valve body comprises the first valve body and the second valve body, described first valve body to be located on blast pipe and to be provided with the first guide pad and the second guide pad, described second valve body is provided with the first guide rail and has boiling position and sealing station, described second valve body opposite valve seat only can move up and down, described valve seat is provided with the second guide rail and has exhaust position, when the first guide pad is positioned at boiling position, without active force between first guide pad and the first guide rail, when the first guide pad is positioned at sealing station, the first guide pad supports the first guide rail, when the second guide pad is positioned at exhaust position, the second guide supporting second guide pad.
Valve body of the present invention comprises the first valve body and the second valve body, and the first valve body is located on blast pipe, so the weight of the first valve body is mainly used to realize the sealing to blast pipe.Second valve body has boiling position and sealing station, and valve seat has exhaust position.When the first guide pad is positioned at boiling position, without active force between the first guide pad and the first guide rail, now only have the weight of the first valve body to be pressed on blast pipe, the pressure of sealing is little; Along with water moderate pressure in pressure cooker rising and more than the voltage limiting value of the first valve body, gas in pressure cooker will back down the first valve body by blast pipe and outwards be vented step-down, food in pot and water can seethe with excitement, and make food energy thermally equivalent, reach the object of boiling culinary art.When the first guide pad is positioned at sealing station, the first guide pad supports the first guide rail, and namely whole second valve body is pressed on the first valve body, the weight acted on blast pipe is increased, improve the voltage limiting value of pressure limiting valve, pressure limiting valve is in complete sealing state, can not be vented.When the second guide pad is positioned at exhaust position, the second guide supporting second guide pad, namely valve seat is by the first valve body lifting and to depart from blast pipe unsettled, and such pressure limiting valve is in complete exhaust condition.
In one embodiment, described second valve body is provided with vertical gathering sill, and described valve seat correspondence is provided with vertical convex tendon, and described vertical gathering sill can move up and down by relatively vertical convex tendon.Because valve seat itself is fixed, when stirring the first valve body, the second valve body only can move up and down under the effect of vertical convex tendon, thus to the first valve body without acting on or can being pressed on the first valve body.Certainly, in other embodiments, described second valve body is provided with vertical convex tendon, and described valve seat correspondence is provided with vertical gathering sill, is also feasible.
In one embodiment, described first guide pad and the first guide rail are three groups, are uniformly distributed respectively on the first valve body and the second valve body, and overall structure is firm, and the relative motion between each parts is steady.Certainly, the quantity of the first guide pad and the first guide rail also can have multiple choices according to concrete structure.
In a preferred embodiment, described first guide rail is provided with the first guiding surface, and described first guide pad enters sealing station by the first guiding surface, thus supports the first guide rail, and namely whole second valve body is pressed on the first valve body.
In an embodiment of the invention, described valve seat is independently monomer structure.
In yet another embodiment of the present invention, described valve seat and pressure cooker lid or pressure cooker handle are integral type structure.
In a preferred embodiment, described first valve body or the second valve body are provided with mass, thus have different voltage limiting values according to the weight of mass, can be applicable to different electric pressure cooking saucepans, have wider using adaptability.
The present invention also provides a kind of electric pressure cooking saucepan simultaneously, and it has above-mentioned pressure limiting valve, has boiling, sealing, exhaust three kinds of states, food can be avoided to be heated inequality.
The invention has the beneficial effects as follows: pressure limiting valve of the present invention can be regulated voltage limiting value by the weight changing valve body that there are boiling, sealing and exhaust three kinds of duties.Pressure limiting valve is transferred to fluidized state, and the food in pot can seethe with excitement, and would not occur that food is heated the problem of uneven, upper lower leaf and mouthfeel difference like this, safe and convenient to use.
Accompanying drawing explanation
Fig. 1 is the use exploded view of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the first valve body in Fig. 1.
Fig. 3 is the structural representation of the second valve body in Fig. 1.
Fig. 4 is the partial structurtes schematic diagram of valve seat in Fig. 1.
Fig. 5 is the use schematic diagram of the embodiment of the present invention 1.
Fig. 6 is the enlarged diagram of part A in Fig. 5.
Accompanying drawing, only for exemplary illustration, can not be interpreted as limitation of the present invention; In order to better embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Embodiment 1
As shown in Figures 1 to 4, a kind of pressure limiting valve of the present invention, comprises the first valve body 101, second valve body 102, blast pipe 103 and valve seat 104.Thimble is established in first valve body 101() be located on blast pipe 103 blast pipe 103 is sealed, and be made up of upper and lower two parts.Lower part size is relatively little, and the outer wall of lower part is provided with the first guide pad 105; Upper part size is relatively large, and the bottom of upper part is provided with the second guide pad 106, and upper part is also provided with handle 107, for the first valve body 101 is toggled it to required operating position simultaneously.The inwall of the second valve body 102 is provided with the first guide rail 108 and has boiling position and sealing station.Valve seat 104 and pressure cooker lid are integral type structure, and blast pipe 103 is arranged on valve seat 104.The upper surface of valve seat 104 is provided with the second guide rail 109 and has higher exhaust position.
In the present embodiment, the outer wall of the second valve body 102 is provided with vertical gathering sill 110, and the inwall correspondence of valve seat 104 is provided with vertical convex tendon 111, and described vertical gathering sill 110 can move up and down by relatively vertical convex tendon 111.Because valve seat 104 itself is fixed, when stirring the first valve body 101, the second valve body 102 only can move up and down under the effect of vertical convex tendon 111, thus to the first valve body 101 without acting on or can being pressed on the first valve body 101.Certainly, in other embodiments, described second valve body is provided with vertical convex tendon, and described valve seat correspondence is provided with vertical gathering sill, is also feasible.
In the present embodiment, described first guide pad 105 and the first guide rail 108 are three groups, are uniformly distributed respectively on the first valve body 101 and the second valve body 102.Wherein said first guide rail 108 is provided with the first guiding surface 112, and described first guide pad 105 enters sealing station by the first guiding surface 112.
In the present embodiment, described first valve body 101 or the second valve body 102 are provided with mass, thus have different voltage limiting values according to the weight of mass, can be applicable to different electric pressure cooking saucepans, have wider using adaptability.
When the first guide pad 105 is positioned at boiling position, without active force between the first guide pad 105 and the first guide rail 108, now only have the weight of the first valve body 101 to be pressed on blast pipe 103, the second valve body 102 is inoperative, and the pressure of sealing is little.Because the first valve body 101 is lighter, its voltage limiting value is generally lower than the rated pressure of electric pressure cooking saucepan, along with water moderate pressure in pressure cooker rising and more than the voltage limiting value of the first valve body 101, gas in pressure cooker will back down the first valve body 101 by blast pipe 103 and outwards be vented step-down, food in pot and water can seethe with excitement, make food energy thermally equivalent, reach the object of boiling culinary art.
Stir the first valve body 101, first guide pad 105 and enter sealing station by the first guiding surface 112.Now, first guide pad 105 to be positioned at below the first guide rail 108 and to support the first guide rail 108, second valve body 102 is lifted, namely whole second valve body 102 is pressed on the first valve body 101, the weight acted on blast pipe 103 is increased, and exceeding the rated pressure of electric pressure cooking saucepan, pressure limiting valve is in complete sealing state, can not be vented.Meanwhile, the gross weight of the first valve body 101 and the second valve body 102, lower than the safe pressure limiting pressure (such as 110KPA) of setting, makes it can safety relief when pressure cooker pressure regulation was lost efficacy.
Stir the first valve body 101, second guide pad 106 and enter the higher exhaust position of the second guide rail 109.Now, because exhaust position is higher, the second guide rail 109 upwards supports the second guide pad 106, thus valve seat 104 is by the first valve body 101 lifting and to depart from blast pipe 103 unsettled, and such pressure limiting valve is in complete exhaust condition.
As shown in Figure 5, Figure 6, the present invention also provides a kind of electric pressure cooking saucepan 200 simultaneously, and it has above-mentioned pressure limiting valve 100, has boiling, sealing, exhaust three kinds of states, food can be avoided to be heated inequality.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: in the present embodiment, and described valve seat is independently monomer structure, and namely valve seat and pressure cooker lid are split-type structural.
Other structures are identical with embodiment 1.
Embodiment 3
The difference of the present embodiment and embodiment 1 is: in the present embodiment, and described valve seat and pressure cooker handle are integral type structure, and namely valve seat is located on pressure cooker handle.
Other structures are identical with embodiment 1.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (8)
1. a pressure limiting valve, comprise valve body, blast pipe and valve seat, described blast pipe is arranged on valve seat, described valve body is located on blast pipe and is sealed by blast pipe, it is characterized in that, described valve body comprises the first valve body and the second valve body, described first valve body to be located on blast pipe and to be provided with the first guide pad and the second guide pad, described second valve body is provided with the first guide rail and has boiling position and sealing station, described second valve body opposite valve seat only can move up and down, described valve seat is provided with the second guide rail and has exhaust position
When the first guide pad is positioned at boiling position, without active force between the first guide pad and the first guide rail; When the first guide pad is positioned at sealing station, the first guide pad supports the first guide rail; When the second guide pad is positioned at exhaust position, the second guide supporting second guide pad.
2. pressure limiting valve according to claim 1, is characterized in that, described second valve body is provided with vertical gathering sill, and described valve seat correspondence is provided with vertical convex tendon, and described vertical gathering sill can move up and down by relatively vertical convex tendon.
3. pressure limiting valve according to claim 1, is characterized in that, described first guide pad and the first guide rail are three groups, is uniformly distributed respectively on the first valve body and the second valve body.
4. pressure limiting valve according to claim 3, is characterized in that, described first guide rail is provided with the first guiding surface, and described first guide pad enters sealing station by the first guiding surface.
5. the pressure limiting valve according to any one of Claims 1-4, is characterized in that, described valve seat is independently monomer structure.
6. the pressure limiting valve according to any one of Claims 1-4, is characterized in that, described valve seat and pressure cooker lid or pressure cooker handle are integral type structure.
7. the pressure limiting valve according to any one of Claims 1-4, is characterized in that, described first valve body or the second valve body are provided with mass.
8. an electric pressure cooking saucepan, is characterized in that, has the pressure limiting valve described in any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369127.6A CN103445668B (en) | 2013-08-22 | 2013-08-22 | A kind of pressure limiting valve and electric pressure cooking saucepan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369127.6A CN103445668B (en) | 2013-08-22 | 2013-08-22 | A kind of pressure limiting valve and electric pressure cooking saucepan |
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| Publication Number | Publication Date |
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| CN103445668A CN103445668A (en) | 2013-12-18 |
| CN103445668B true CN103445668B (en) | 2016-04-13 |
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| CN201310369127.6A Active CN103445668B (en) | 2013-08-22 | 2013-08-22 | A kind of pressure limiting valve and electric pressure cooking saucepan |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136911B (en) * | 2016-03-01 | 2023-03-14 | 佛山市顺德区美的电热电器制造有限公司 | Pressure adjusting structure and pressure cooker with same |
| CN105747850B (en) * | 2016-04-22 | 2018-07-10 | 珠海格力电器股份有限公司 | Electric cooker or pressure cooker and its steam valve module |
| CN105942844B (en) * | 2016-07-11 | 2018-08-10 | 江苏金海玛电器有限公司 | A kind of pressure cooker |
| CN108338674B (en) * | 2017-01-23 | 2022-02-01 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
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| CN101797118A (en) * | 2010-01-26 | 2010-08-11 | 浙江苏泊尔股份有限公司 | Gravity-type pressure-regulating and pressuring-limiting valve |
| CN201734502U (en) * | 2010-04-06 | 2011-02-09 | 广东新宝电器股份有限公司 | Steam exhaust device of electric pressure cooker |
| CN202198421U (en) * | 2011-09-05 | 2012-04-25 | 浙江苏泊尔股份有限公司 | Regulation pressure-limiting valve of pressure cooker |
| CN202820918U (en) * | 2012-10-19 | 2013-03-27 | 黄振雄 | Pressure limiting valve with adjustable pressure limiting pressure values and pressure cooker |
| CN203041846U (en) * | 2013-01-17 | 2013-07-10 | 李吉世 | Electric pressure cooker |
| CN203458206U (en) * | 2013-08-22 | 2014-03-05 | 中山市雅乐思电器实业有限公司 | Pressure-limiting valve and electric pressure cooker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090030110A (en) * | 2007-09-19 | 2009-03-24 | 주식회사 삼석전기 | Valve gear for vapor elimination using electricalpressure pot |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797118A (en) * | 2010-01-26 | 2010-08-11 | 浙江苏泊尔股份有限公司 | Gravity-type pressure-regulating and pressuring-limiting valve |
| CN201734502U (en) * | 2010-04-06 | 2011-02-09 | 广东新宝电器股份有限公司 | Steam exhaust device of electric pressure cooker |
| CN202198421U (en) * | 2011-09-05 | 2012-04-25 | 浙江苏泊尔股份有限公司 | Regulation pressure-limiting valve of pressure cooker |
| CN202820918U (en) * | 2012-10-19 | 2013-03-27 | 黄振雄 | Pressure limiting valve with adjustable pressure limiting pressure values and pressure cooker |
| CN203041846U (en) * | 2013-01-17 | 2013-07-10 | 李吉世 | Electric pressure cooker |
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| CN103445668A (en) | 2013-12-18 |
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