CN103445668A - Pressure-limiting valve and electric pressure cooker - Google Patents
Pressure-limiting valve and electric pressure cooker Download PDFInfo
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- CN103445668A CN103445668A CN2013103691276A CN201310369127A CN103445668A CN 103445668 A CN103445668 A CN 103445668A CN 2013103691276 A CN2013103691276 A CN 2013103691276A CN 201310369127 A CN201310369127 A CN 201310369127A CN 103445668 A CN103445668 A CN 103445668A
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Abstract
The invention relates to the technical field of an electric pressure cooker and aims to solve the technical problem of providing a pressure-limiting valve which has three states of boiling, sealing and exhaust and avoids nonuniform heating on foods. The pressure-limiting valve comprises a valve body, an exhaust pipe and a valve seat; the exhaust pipe is arranged on the valve seat; the valve body is arranged on the exhaust pipe to seal the exhaust pipe; the valve body comprises a first valve body and a second valve body; the first valve body is arranged on the exhaust pipe and is provided with a first guide block and a second guide block; the second valve body is provided with a first guide rail and has a boiling position and a sealing position; the second valve body can only move up and down relative to the valve seat; the valve seat is provided with a second guide rail and has an exhaust position; when the first guide block is positioned at the boiling position, no acting force exists between the first guide block and the second guide block; when the first guide block is positioned at the sealing position, the first guide rail is supported by the first guide block; when the second guide block is positioned at the exhaust position, the second guide block is supported by the second guide rail.
Description
Technical field
The present invention relates to the 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 claims again pressure cooker, can greatly shorten the time of culinary art, saves the energy.The principle of pressure cooker is to be subject to effects of air pressure according to the boiling point of water, and air pressure is higher, and boiling point is higher.In pressure cooker, be the environment of HTHP, food easily boils.Certainly, the pressure in pressure cooker is not restriction not, not so easily blasts, and causes security incident, so in pressure cooker, needs to use pressure limiting valve to regulate.
In prior art, the operation principle of traditional pressure limiting valve is: working pressure is controlled sensing device, when pot inner pressure surpasses the voltage limiting value set, and the machine auto-breaking; Reheat again after pressure decreased, guarantee that the pressure in pot remains in certain scope.Its voltage-limiting protection is: when pressure control device lost efficacy and the lasting rising of pressure for some reason, while reaching pressure limiting pressure, air pressure is washed the pressure limiting valve venting open, comes limiting pressure to rise.
At present, pressure limiting valve only has sealing and two duties of exhaust mostly.Pressure cooker is when cooking food (such as cooking), and pressure limiting valve is transferred to sealing state.Owing to being HTHP in pressure cooker, water does not reach boiling point, and food is in without fluidized state in whole cooking process, and the problems such as inequality, upper lower leaf, mouthfeel be not good that easily cause food to be heated are stirred in the experience boiling.After culinary art completes, pressure limiting valve is transferred to exhaust condition, discharge fast the steam pressure in pot, reduce pot inner pressure.
In order to address the above 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 to be determined by the aperture of blast pipe and the ratio of pressure limiting valve body weight, change the just voltage limiting value of energy regulation pressure-limiting valve of one of them parameter.
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 purpose of this invention is to provide a kind of have boiling, sealing, three kinds of states of exhaust, avoid the food uneven pressure limiting valve that is heated.
Further purpose 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 blast pipe is sealed, described valve body comprises the first valve body and the second valve body, described the first valve body is located on blast pipe and is provided with the first guide pad and the second guide pad, described the second valve body is provided with the first guide rail and has boiling position and sealing station, the relative valve seat of described the second valve body 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 the boiling position, between the first guide pad and the first guide rail without active force, 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, second guide supporting the 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.The second valve body has boiling position and sealing station, and valve seat has exhaust position.When the first guide pad is positioned at the boiling position, between the first guide pad and the first guide rail, without active force, now only have the weight of the first valve body to be pressed on blast pipe, the pressure of sealing is little; Along with the rising of water temperature in pressure cooker and pressure and surpass the voltage limiting value of the first valve body, gas in pressure cooker will back down the outside exhaust step-down of the first valve body by blast pipe, food and water in pot can seethe with excitement, and make food energy thermally equivalent, reach the purpose of boiling culinary art.When the first guide pad is positioned at sealing station, the first guide pad supports the first guide rail, and whole the second valve body is pressed on the first valve body, make the weight acted on blast pipe increase, improved the voltage limiting value of pressure limiting valve, pressure limiting valve, can exhaust in complete sealing state.When the second guide pad is positioned at exhaust position, second guide supporting the second guide pad, valve seat is by the first valve body lifting and to break away from blast pipe unsettled, and pressure limiting valve is in complete exhaust condition like this.
In one embodiment, described the 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 effect or can be pressed on the first valve body.Certainly, in other embodiments, described the 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 the first guide pad and the first guide rail are three groups, on the first valve body and the second valve body, are uniformly distributed respectively, 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 the first guide rail is provided with the first guiding surface, and described the first guide pad enters sealing station by the first guiding surface, thereby supports the first guide rail, and whole the second valve body is pressed on the first valve body.
In an embodiment of the invention, described valve seat is monomer structure independently.
In yet another embodiment of the present invention, described valve seat and pressure cooker lid or pressure cooker handle are the integral type structure.
In a preferred embodiment, described the first valve body or the second valve body are provided with mass, thereby 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, three kinds of states of exhaust, can avoid the food inequality of being heated.
The invention has the beneficial effects as follows: pressure limiting valve of the present invention can be regulated voltage limiting value by the weight that changes valve body, has boiling, sealing and three kinds of duties of exhaust.Pressure limiting valve is transferred to fluidized state, and the food in pot can seethe with excitement, with regard to not there will be food be heated uneven, upper lower leaf and the poor problem of mouthfeel, safe and convenient to use like this.
The 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 A part in Fig. 5.
Accompanying drawing, only for exemplary illustration, can not be interpreted as limitation of the present invention; For better explanation embodiment, 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 configurations and explanation thereof may to omit be understandable.
The specific embodiment
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, comprise the first valve body 101, the second valve body 102, blast pipe 103 and valve seat 104.Establish thimble in the first valve body 101() be located on blast pipe 103 blast pipe 103 sealings, and formed by upper and lower two parts.Lower portion size less, the outer wall of lower part is provided with the first guide pad 105; Upper portion size is relatively large, and the bottom of upper part is provided with the second guide pad 106, goes up part simultaneously and also is provided with handle 107, for the first valve body 101 is toggled it to required operating position.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 is the integral type structure with pressure cooker lid, 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, thereby the first valve body 101 nothings are acted on or can be pressed on the first valve body 101.Certainly, in other embodiments, described the 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 the first guide pad 105 and the first guide rail 108 are three groups, on the first valve body 101 and the second valve body 102, are uniformly distributed respectively.Wherein said the first guide rail 108 is provided with the first guiding surface 112, and described the first guide pad 105 enters sealing station by the first guiding surface 112.
In the present embodiment, described the first valve body 101 or the second valve body 102 are provided with mass, thereby 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 the boiling position, between the first guide pad 105 and the first guide rail 108, without active force, 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 the rising of water temperature in pressure cooker and pressure and surpass the voltage limiting value of the first valve body 101, gas in pressure cooker will back down the outside exhaust step-down of the first valve body 101 by blast pipe 103, food and water in pot can seethe with excitement, make food energy thermally equivalent, reach the purpose of boiling culinary art.
Stir the first valve body 101, the first guide pads 105 and enter sealing station by the first guiding surface 112.Now, the first guide pad 105 is positioned at the first guide rail 108 belows and supports the first guide rail 108, the second valve body 102 is lifted, be that whole the second valve body 102 is pressed on the first valve body 101, make the weight acted on blast pipe 103 increase, and surpassing the rated pressure of electric pressure cooking saucepan, pressure limiting valve, can exhaust in complete sealing state.Simultaneously, the gross weight of the first valve body 101 and the second valve body 102 for example,, lower than the safe pressure limiting pressure (110KPA) of setting, makes it in the situation that pressure cooker pressure regulation inefficacy can safety relief.
Stir the first valve body 101, the second guide pads 106 and enter the higher exhaust position of the second guide rail 109.Now, because exhaust position is higher, the second guide rail 109 is to upper support the second guide pad 106, thus valve seat 104 by the first valve body 101 liftings and to break away from blast pipe 103 unsettled, pressure limiting valve is in complete exhaust condition like this.
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, three kinds of states of exhaust, can avoid the food inequality of being heated.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: in the present embodiment, described valve seat is monomer structure independently, and 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, described valve seat and pressure cooker handle are the integral type structure, and valve seat is located on the 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 clearly is 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 also giving all embodiments.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of 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 blast pipe is sealed, it is characterized in that, described valve body comprises the first valve body and the second valve body, described the first valve body is located on blast pipe and is provided with the first guide pad and the second guide pad, described the second valve body is provided with the first guide rail and has boiling position and sealing station, the relative valve seat of described the second valve body 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 during position, between the first guide pad and the first guide rail without active force; 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, second guide supporting the second guide pad.
2. pressure limiting valve according to claim 1, is characterized in that, described the 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 the first guide pad and the first guide rail are three groups, on the first valve body and the second valve body, is uniformly distributed respectively.
4. pressure limiting valve according to claim 3, is characterized in that, described the first guide rail is provided with the first guiding surface, and described the first guide pad enters sealing station by the first guiding surface.
5. according to the described pressure limiting valve of claim 1 to 4 any one, it is characterized in that, described valve seat is monomer structure independently.
6. according to the described pressure limiting valve of claim 1 to 4 any one, it is characterized in that, described valve seat and pressure cooker lid or pressure cooker handle are the integral type structure.
7. according to the described pressure limiting valve of claim 1 to 4 any one, it is characterized in that, described the first valve body or the second valve body are provided with mass.
8. an electric pressure cooking saucepan, is characterized in that, has the described pressure limiting valve of claim 1 to 7 any one.
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 true CN103445668A (en) | 2013-12-18 |
| CN103445668B CN103445668B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105747850A (en) * | 2016-04-22 | 2016-07-13 | 珠海格力电器股份有限公司 | Electric cooker or pressure cooker and steam valve assembly thereof |
| CN105942844A (en) * | 2016-07-11 | 2016-09-21 | 盐城工学院 | Pressure cooker |
| CN107136911A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker with it |
| CN108338674A (en) * | 2017-01-23 | 2018-07-31 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
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| 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136911A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of pressure regulating mechanism and the pressure cooker with it |
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| CN105942844A (en) * | 2016-07-11 | 2016-09-21 | 盐城工学院 | Pressure cooker |
| CN108338674A (en) * | 2017-01-23 | 2018-07-31 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
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| Publication number | Publication date |
|---|---|
| CN103445668B (en) | 2016-04-13 |
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