WO2018223446A1 - 锅盖及电压力锅 - Google Patents

锅盖及电压力锅 Download PDF

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Publication number
WO2018223446A1
WO2018223446A1 PCT/CN2017/090931 CN2017090931W WO2018223446A1 WO 2018223446 A1 WO2018223446 A1 WO 2018223446A1 CN 2017090931 W CN2017090931 W CN 2017090931W WO 2018223446 A1 WO2018223446 A1 WO 2018223446A1
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WO
WIPO (PCT)
Prior art keywords
exhaust valve
block
pressure
valve body
lid
Prior art date
Application number
PCT/CN2017/090931
Other languages
English (en)
French (fr)
Inventor
梁少雄
邓领文
胡俊
李发展
Original Assignee
佛山市顺德区美的电热电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 佛山市顺德区美的电热电器制造有限公司 filed Critical 佛山市顺德区美的电热电器制造有限公司
Publication of WO2018223446A1 publication Critical patent/WO2018223446A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/086—Pressure-cookers; Lids or locking devices specially adapted therefor with built-in heating means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/09—Safety devices

Definitions

  • the invention relates to the field of kitchenware, in particular to a pot lid and an electric pressure cooker.
  • the electric pressure cooker is a cooking utensil.
  • an exhaust valve is arranged on the lid of the electric pressure cooker to exhaust the gas in the electric pressure cooker.
  • the above two exhaust methods are too single, and the user cannot select the corresponding exhaust method according to the taste demand.
  • the main object of the present invention is to provide a lid for solving the problem that the electric pressure cooker has a single exhaust mode, and the user cannot select the corresponding exhaust mode according to the taste.
  • the venting hole further includes a pressure block pressed on the exhaust valve body and a triggering mechanism for separating the pressure block from the exhaust valve body when triggered To prevent the exhaust valve body from being subjected to a downward pressure from the pressure block.
  • the trigger mechanism comprises an movably disposed adsorption block, the adsorption block having an attractive force with the pressure block, the adsorption block being at a first position close to the pressure block and away from the pressure block Moving between the second positions to adjust the downforce of the pressure block to the exhaust valve body.
  • the lid further includes a bubble breaker disposed on the exhaust valve and an adsorption block mount movably connected to the cover of the bubble breaker, the adsorption block being mounted on the adsorption block On the mount.
  • the adsorption block mount is hinged or slidably connected to the cover of the bubble breaker.
  • the adsorption block mount is disposed at a top end of the exhaust valve, and the adsorption block adsorbs the pressure block to move upward.
  • the adsorption block mount is disposed at a side of the exhaust valve, and the adsorption block adsorbs the pressure block to move left and right.
  • one of the adsorption block and the pressure block is a magnetic material and the other is a magnetic induction material.
  • the exhaust valve body is provided with a valve cone toward a side of the exhaust valve core, the valve cone is plugged on the exhaust hole, and is movable in an up and down direction to open or close the Vent.
  • the exhaust valve body is a non-magnetic material.
  • the present invention also provides an electric pressure cooker comprising a pot body and the above-described pot lid, the pot body having an upwardly open pot chamber, the pot lid being movably coupled to the pot body to open or seal the pot chamber.
  • the lid includes a lid body and an exhaust valve disposed on the lid body, the exhaust valve including an exhaust valve core disposed on both sides of the lid body and the exhaust valve An exhaust valve body at an upper end of the spool, wherein the exhaust valve core is provided with an exhaust passage extending along an axial direction thereof, and both ends of the exhaust passage extend to both ends of the exhaust valve spool to An outer side of the lid body forms a vent hole and an air inlet hole is formed inside the lid body, and the exhaust valve body is movable in an up and down direction to open or close the vent hole, and the lid further includes Pressing a pressure block on the exhaust valve body, a triggering mechanism for separating the pressure block from the exhaust valve body when triggered to prevent the exhaust valve body from receiving The downforce of the pressure block.
  • the technical solution of the invention provides a pressure block and a trigger mechanism on the exhaust valve body, the trigger mechanism separates the pressure block from the exhaust valve body when triggered, and the pressure block is pressed on the exhaust valve body when the trigger is not triggered, and the pressure is adjusted.
  • the downward pressure applied by the block to the exhaust valve body realizes the adjustment of the downforce applied to the exhaust valve core, thereby achieving the effect of adjusting the exhaust mode of the pressure cooker.
  • FIG. 1 is a schematic structural view of a first embodiment of a lid of the present invention
  • Figure 2 is a partial enlarged view of a portion A in Figure 1;
  • Figure 3 is a schematic structural view of a second embodiment of the lid of the present invention.
  • Figure 4 is a partial enlarged view of B in Figure 3;
  • FIG. 5 is a schematic structural view of an embodiment of an electric pressure cooker according to the present invention.
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • the relative positional relationship between the components, the motion situation, and the like if the specific posture changes, the directional indication also changes accordingly.
  • first”, “second”, etc. in the embodiments of the present invention, the description of the "first”, “second”, etc. is used for the purpose of description only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the invention proposes a pot lid.
  • the lid includes a lid body 100 and an exhaust valve 200 disposed on the lid body 100
  • the exhaust The valve 200 includes an exhaust valve core 210 disposed on both sides of the inside and outside of the lid body 100 (the inner side of the lid body facing the pot body, the outer side of the outer pot cover) and the row disposed at the upper end of the exhaust valve core 210
  • the gas valve body 220 is provided with an exhaust passage 211 extending in the axial direction thereof, and both ends of the exhaust passage 211 extend to both ends of the exhaust valve core 210 to be
  • the outer side of the lid body 100 is formed with a venting opening 212 and an air inlet hole is formed inside the lid body 100, and the exhaust valve body 220 is movable in an up and down direction to open or close the venting opening 212;
  • the lid further includes a pressure block 400 press-fitted on the exhaust valve body 220, and a trigger mechanism for separating the pressure block 400
  • the exhaust passage 211 on the exhaust valve core 210 is used to discharge the gas inside the pressure cooker to the outside of the pot, and an exhaust valve body 220 that can move up and down is disposed at the upper end of the exhaust valve core 210, and the exhaust hole 212 can be realized. Control of exhaust conditions.
  • a pressure block 400 is pressed on the exhaust valve body 220. The main function of the pressure block 400 is to increase the pressure of the exhaust valve body 220 against the exhaust valve core 210 to block the exhaust hole 212, thereby making the pressure cooker The internal gas cannot be discharged.
  • the lid further includes a trigger mechanism, the main function of the trigger mechanism is to adjust the separation state of the pressure block 400 and the exhaust valve body 220:
  • the pressure block 400 is separated from the exhaust valve body 220 such that the pressure block 400 has no downward pressure on the exhaust valve body 220, thereby reducing the pressure on the exhaust valve spool 210 when the pressure cooker is inside.
  • the gas in the pot can lift the exhaust valve body 220, so that the vent hole 212 is opened, thereby realizing that the pressure cooker can be vented through the vent hole 212, thereby reducing the air pressure in the pressure cooker, thereby The boiling point of the liquid is also lowered, and the boiling of the liquid in the pot is achieved to achieve a strong aroma effect.
  • the pressure block 400 When the trigger mechanism is not triggered, the pressure block 400 is pressed on the exhaust valve body 220, and the pressure on the exhaust valve core 210 is large, so that when the pressure in the pot reaches 70 Kpa, the gas in the pot cannot be opened.
  • the vent hole 212 cannot be opened, the pressure cooker can not be vented, the air pressure in the pot is increased, and the boiling point of the liquid in the pot is also increased, so that the liquid in the pot cannot be boiled to achieve a fragrant effect.
  • the trigger mechanism may be determined according to actual needs, and may be a lever controlled by a button, and the pressure block 400 may be pushed up by a lever after pressing, or the pressure block 400 may be sucked away by the characteristics of magnetic induction.
  • the exhaust valve body 220 can be configured to switch between the pressure exhaust valve body 220 and the exhaust valve body 220 as long as it can satisfy the pressure block 400.
  • the weight ratio of the pressure block 400 to the exhaust valve body 220 is between 0.26 and 12.56.
  • the working pressure of the pressure cooker is generally 70 kPa.
  • the heater of the pressure cooker stops heating, but after the heater stops heating, the residual heat of the heater will cause the pressure in the pot to be slightly More than 70kpa, such as 71kpa or 72kpa, and then gradually fall back to less than 70kpa, then the heater starts heating again, so cycle, so that the pressure in the pot is maintained at about 70kpa until the end of cooking, therefore, the pressure
  • the weight ratio of the block 400 to the exhaust valve body 220 is optimally adjusted between 0.26 and 12.56.
  • the pressure block 400 has an exhaust valve due to its own gravity.
  • the downforce applied by the body 220 is relatively small.
  • the exhaust valve body 220 and the pressure block 400 are more easily lifted by the steam in the pressure cooker, that is, when the pressure in the pressure cooker is slightly more than 70 kPa, the inside of the pot
  • the steam has a large possibility of overcoming the double pressure of the pressure block 400 and the exhaust valve body 220 to vent the exhaust valve body 220, resulting in no fragrant effect.
  • the weight ratio of the pressure block 400 to the exhaust valve body 220 is greater than 12.56, the pressure block 400 itself has a large gravity.
  • the trigger mechanism When the user needs a rich fragrance effect, the trigger mechanism enters the trigger state separating pressure block 400 and the exhaust valve body 220.
  • the difficulty is greatly increased, and it is difficult to realize, and the pressure block 400 and the exhaust valve body 220 are still not separated after the trigger mechanism enters the trigger state, so that the pressure cooker does not exhaust and does not reach the aroma effect.
  • the weight ratio of the pressure block 400 to the exhaust valve body 220 is 0.89, and the weight ratio adjustment effect of the pressure cooker is optimal at this weight ratio.
  • the technical solution of the present invention provides a pressure block 400 and a trigger mechanism on the exhaust valve body 220.
  • the trigger mechanism separates the pressure block 400 from the exhaust valve body 220 when triggered, and the pressure block 400 presses against the exhaust valve when not triggered.
  • the downward pressure applied to the exhaust valve body 220 by the pressure block 400 is adjusted, thereby realizing the adjustment of the pressure of the exhaust valve body 210, thereby achieving the effect of adjusting the exhaust mode of the pressure cooker.
  • the trigger mechanism includes an absorbing block 300 disposed in an active manner, and the suction block 300 and the pressure block 400 have an attractive force, and the adsorption block 300 can be close to
  • the first position of the pressure block 400 moves between a second position away from the pressure block 400 to adjust the pressure of the pressure block 400 to the exhaust valve body 220.
  • a certain attraction force is generated to the pressure block 400.
  • the adsorption pressure block 400 leaves the exhaust valve body 220; when the adsorption block 300 is opposed to the pressure block 400 When the attraction is small, the pressure block 400 cannot be attracted to leave the exhaust valve body 220, but the pressure block 400 under the action of the attraction force reduces the pressure on the exhaust valve body 220; when the adsorption block 300 is away from the pressure block 400, When the pressure block 400 is not attractive, the pressure block 400 is still pressed against the exhaust valve body 220.
  • the exhaust mode can be adjusted according to the distance between the adsorption block 300 and the pressure block 400.
  • the air hole 212 is opened, so that the pressure cooker can be exhausted through the vent hole 212, the air pressure in the pressure cooker is lowered, and the boiling point of the liquid in the pot is also lowered, thereby realizing boiling of the liquid in the pot to achieve a strong fragrance effect.
  • the adsorption block 300 moves the adsorption block 300 away from the pressure block 400, the adsorption block 300 is not attractive to the pressure block 400, and the pressure block 400 is still pressed on the exhaust valve body 220 to increase the application to the exhaust valve body 210.
  • the downward pressure is such that when the pressure in the pot reaches 70Kpa, the gas in the pot cannot open the exhaust valve body 220, and the vent hole 212 cannot be opened, the pressure cooker cannot be vented, the gas pressure in the pot is increased, and the boiling point of the liquid in the pot is increased. It is also raised, and the liquid in the pot cannot be boiled to achieve a fragrant effect.
  • the lid further includes a bubble breaker 500 disposed on the exhaust valve 200 and an adsorption block mount 600 movably connected to the cover of the bubble breaker 500.
  • the adsorption block 300 is mounted on the adsorption block mount 600.
  • the main function of the bubble breaker 500 is to prevent large bubbles from overflowing inside the pot. When the gas in the pot is discharged from the exhaust passage 211, it flows into the bubble breaker 500, and the opening 510 is provided in the bubble breaker 500, so that the gas can be smoothly discharged into the air through the opening 510.
  • the adsorption block 300 is installed in the adsorption block mount 600, and the adsorption block mount 600 is directly disposed on the bubble breaker 500, and since the distance between the adsorption block 300 and the pressure block 400 can be adjusted, the adsorption block mount 600 It is movably connected to the cover of the bubble breaker 500.
  • the adsorption block mount 600 and the cover of the bubble breaker 500 may be disposed in an articulated or sliding connection. If the hinge is disposed, the user may adjust the adsorption block 300 and the pressure block 400 by rotating the adsorption block mount 600.
  • the distance between the adsorption block mounts 600 can be rotated in the vertical direction or in the horizontal direction; if the sliding connection is provided, the slide rails can be arranged on the cover of the bubble breaker 500 or on the adsorption block mount 600. Or a chute to achieve an adjustable distance between the adsorption block 300 and the pressure block 400.
  • the positional relationship between the adsorption block 300 and the pressure block 400 can be achieved.
  • the adsorption block mount 600 is disposed at the top end of the exhaust valve 200, and the adsorption block 300 attracts the pressure block 400 to move upward.
  • the adsorption block mount 600 can be adjusted to the top end of the exhaust valve 200, and the adsorption block 300 adsorbs the pressure block 400 to move upward to leave the exhaust valve body 220, thereby achieving only the row.
  • the gas valve body 220 is pressed against the exhaust valve body 210, so that when the gas pressure in the pot reaches 70 Kpa, the exhaust valve body 220 can be opened to achieve the exhaust.
  • the sorbent block mount 600 is adjusted away from the pressure block 400, and the pressure block 400 is dropped downward from the adsorbed position on the vent spool 220, increasing the downforce applied to the vent spool 210.
  • the exhaust valve body 220 cannot be pushed open to achieve the effect of not venting the fragrance.
  • the exhaust valve body 220 is guided by a guide rod in order to move more stably up and down.
  • the adsorption block mount 600 is disposed at a side of the exhaust valve 200, and the adsorption block 300 adsorbs the pressure block 400 to move left and right.
  • the main function of the pressure block 400 is to increase the downward pressure applied to the exhaust valve core 210 by the exhaust valve body 220.
  • the shape and structure of the pressure block 400 are not particularly required, and the pressure block 400 can be set to a "C" type or " L" type, at this time by adjusting the distance between the adsorption block mount 600 and the pressure block 400 on the side, that is, adjusting the attractive force between the adsorption block 300 and the pressure block 400, so that the pressure block 400 can move left and right to leave the row
  • the valve body 220 is configured to adjust the downforce applied to the exhaust valve spool 210 by the exhaust valve body 220.
  • one of the adsorption block 300 and the pressure block 400 is a magnetic material, and the other is a magnetic induction material. That is, when the adsorption block 300 is a magnetic material, the pressure block 400 is a magnetic induction material; when the adsorption block 300 is a magnetically sensitive material, the pressure block 400 is a magnetic material. It is only necessary to ensure that there is sufficient attraction between the adsorption block 300 and the pressure block 400. At the same time, in order to ensure that the exhaust valve body 220 is pressed against the exhaust valve core 210, the exhaust valve core 220 is preferably a non-magnetic material to prevent the exhaust valve core 220 from interfering with the adjustment between the adsorption block 300 and the pressure block 400.
  • the exhaust valve body 220 is provided with a valve cone 221 toward a side of the exhaust valve body 210,
  • the valve cone 221 is plugged on the exhaust hole 212 and is movable in the up and down direction to open or close the exhaust hole 212.
  • the cone of the valve cone 221 is provided with a guiding slope so that the valve cone 221 is more conveniently inserted into the venting opening 212.
  • the outer diameter of the valve cone 221 is preferably adapted to the inner diameter of the exhaust passage 211, so that the valve cone 221 and the row The inner wall of the air passage 211 abuts to prevent air leakage.
  • the present invention also provides an electric pressure cooker.
  • the electric pressure cooker includes a pot body 700 and a lid.
  • the specific structure of the pot lid refers to the above embodiment. Since the electric pressure cooker adopts all the technical solutions of all the above embodiments, Therefore, at least all the beneficial effects brought about by the technical solutions of the foregoing embodiments are not described herein.
  • the pot body 700 has an upwardly open pot chamber 800 that is movably coupled to the pot body 700 to open or seal the pot chamber 800.
  • the connection between the lid and the pot body 700 can be determined according to the user's needs, such as hinged by a hinge or snap-fit.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

一种锅盖及电压力锅，该锅盖包括锅盖本体(100)和设置在所述锅盖本体(100)上的排气阀(200)，所述排气阀(200)包括排气阀芯(210)以及排气阀体(220)，该锅盖还包括压设在所述排气阀体(220)上的压力块(400)、触发机构，该触发机构用于在被触发时使所述压力块(400)与所述排气阀体(220)分离以防止所述排气阀体(220)受到来自所述压力块(400)的下压力。通过在排气阀体(220)上设置压力块(400)和触发机构，该触发机构在触发时使得压力块(400)与排气阀体(220)分离，在未触发时压力块(400)压在排气阀体(220)上，调节压力块(400)对排气阀体(220)施加的下压力，从而实现对排气阀芯(210)施加的下压力的调节，进而达到调节压力锅排气方式的效果。

Description

锅盖及电压力锅
技术领域
本发明涉及厨具领域，特别涉及一种锅盖及电压力锅。
背景技术
电压力锅是一种烹饪厨具，通常在电压力锅的锅盖上设置排气阀来对电压力锅内的气体进行排气。目前，电压力锅盖上的排气阀有两种，一种是正常使用时不排气，锅内的液体不沸腾，此时煲汤达到清香效果，当压力出现异常时才排气保护；一种是正常使用时排气，锅内液体沸腾，此时煲汤达到浓香效果。但是上述两种排气方式太单一，用户无法根据口味需求来选择相应的排气方式。
发明内容
本发明的主要目的是提出一种锅盖，旨在解决电压力锅排气方式单一，用户无法根据口味选择相应的排气方式的问题。
为实现上述目的，本发明提出的一种锅盖，包括锅盖本体和设置在所述锅盖本体上的排气阀，所述排气阀包括穿设于所述锅盖本体内外两侧的排气阀芯以及设置在所述排气阀芯上端的排气阀体，所述排气阀芯内设有沿其轴向延伸的排气通道，所述排气通道的两端延伸至所述排气阀芯的两端以在所述锅盖本体的外侧形成排气孔且在所述锅盖本体的内侧形成进气孔，所述排气阀体可沿上下方向移动以打开或关闭所述排气孔，该锅盖还包括压设在所述排气阀体上的压力块、触发机构，该触发机构用于在被触发时使所述压力块与所述排气阀体分离以防止所述排气阀体受到来自所述压力块的下压力。
优选地，所述触发机构包括活动设置的吸附块，所述吸附块与所述压力块之间具有吸引力，所述吸附块可在靠近所述压力块的第一位置与远离所述压力块的第二位置之间移动以调节所述压力块对所述排气阀体的下压力。
优选地，所述锅盖还包括盖设在所述排气阀上的破泡器和与所述破泡器的盖体活动连接的吸附块安装座，所述吸附块安装在所述吸附块安装座上。
优选地，所述吸附块安装座与所述破泡器的盖体铰接或滑动连接。
优选地，所述吸附块安装座设置在所述排气阀的顶端，所述吸附块吸附所述压力块向上移动。
优选地，所述吸附块安装座设置在所述排气阀的侧部，所述吸附块吸附所述压力块左右移动。
优选地，所述吸附块和所述压力块其中一个为磁性材料，另一个为磁性感应材料。
优选地，所述排气阀体朝向所述排气阀芯的一侧设有阀锥，所述阀锥堵设在所述排气孔上，并可沿上下方向移动以打开或关闭所述排气孔。
优选地，所述排气阀体为绝磁材料。
本发明还提供一种电压力锅，包括锅体及上述锅盖，所述锅体具有向上敞开的锅腔，所述锅盖与所述锅体活动连接以打开或密封所述锅腔。该锅盖包括锅盖本体和设置在所述锅盖本体上的排气阀，所述排气阀包括穿设于所述锅盖本体内外两侧的排气阀芯以及设置在所述排气阀芯上端的排气阀体，所述排气阀芯内设有沿其轴向延伸的排气通道，所述排气通道的两端延伸至所述排气阀芯的两端以在所述锅盖本体的外侧形成排气孔且在所述锅盖本体的内侧形成进气孔，所述排气阀体可沿上下方向移动以打开或关闭所述排气孔，该锅盖还包括压设在所述排气阀体上的压力块、触发机构，该触发机构用于在被触发时使所述压力块与所述排气阀体分离以防止所述排气阀体受到来自所述压力块的下压力。
本发明技术方案通过在排气阀体上设置压力块和触发机构，该触发机构在触发时使得压力块与排气阀体分离，在未触发时压力块压在排气阀体上，调节压力块对排气阀体施加的下压力，从而实现对排气阀芯施加的下压力的调节，进而达到调节压力锅排气方式的效果。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本发明锅盖第一实施例的结构示意图；
图2为图1中A处的局部放大图；
图3为本发明锅盖第二实施例的结构示意图；
图4为图3中B处的局部放大图；
图5为本发明电压力锅一实施例的结构示意图；
附图标号说明：
标号 名称 标号 名称
100 锅盖本体 200 排气阀
210 排气阀芯 211 排气通道
212 排气孔 220 排气阀体
221 阀锥 300 吸附块
400 压力块 500 破泡器
510 开口 600 吸附块安装座
700 锅体 800 锅腔
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明，若本发明实施例中有涉及方向性指示（诸如上、下、左、右、前、后……），则该方向性指示仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，若本发明实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
本发明提出一种锅盖。
在本发明实施例中，如图1、图2、图3、图4所示，该锅盖包括锅盖本体100和设置在所述锅盖本体100上的排气阀200，所述排气阀200包括穿设于所述锅盖本体100内外（内指锅盖朝向锅体的一侧，外指锅盖外面）两侧的排气阀芯210以及设置在排气阀芯210上端的排气阀体220，所述排气阀芯210内设有沿其轴向延伸的排气通道211，所述排气通道211的两端延伸至所述排气阀芯210的两端以在所述锅盖本体100的外侧形成排气孔212且在所述锅盖本体100的内侧形成进气孔，所述排气阀体220可沿上下方向移动以打开或关闭所述排气孔212；该锅盖还包括压设在所述排气阀体220上的压力块400、触发机构，该触发机构用于在被触发时使所述压力块400与所述排气阀体220分离以防止所述排气阀体220受到来自所述压力块400的下压力。
排气阀芯210上的排气通道211用于将压力锅内部的气体排到锅外，在排气阀芯210的上端设置可上下移动的排气阀体220，能够实现对排气孔212的排气情况的控制。排气阀体220上压设有压力块400，该压力块400的主要作用是增大排气阀体220压在排气阀芯210上的压力，以堵住排气孔212，从而使得压力锅内部的气体不能排出。
该锅盖还包括触发机构，该触发机构的主要作用是调节压力块400与排气阀体220分离状态：
当触发机构在触发时，使压力块400与排气阀体220分离，使得压力块400对排气阀体220没有向下的压力，从而减小对排气阀芯210的压力，当压力锅内的压力达到70Kpa后，锅内的气体能够将排气阀体220顶起，使得排气孔212打开，从而实现了压力锅能够通过排气孔212排气，降低了压力锅内的气压，从而锅内的液体沸点也降低，实现了锅内液体沸腾，达到浓香效果。
当触发机构没有触发时，压力块400压设在排气阀体220上，则对排气阀芯210的压力会很大，使得当锅内压力达到70Kpa时，锅内的气体不能顶开排气阀体220，排气孔212不能打开，则压力锅不能排气，锅内的气压增高，从而锅内的液体沸点也升高，实现了锅内液体不能沸腾，达到清香效果。
在实际应用过程中，触发机构可根据实际需要来定，可以是以按钮控制的拨杆，在按压后利用杠杆将压力块400上推，也可以是通过磁感应的特点，将压力块400吸离排气阀体220的方案，只要能满足压力块400能在压设排气阀体220和离开排气阀体220之间切换即可。
为了使得压力锅的排气方式能够更好的调节，所述压力块400与所述排气阀体220的重量比在0.26~12.56之间。具体而言，压力锅烹饪时的工作压力一般为70kpa，当压力锅内的压力达到70kpa时，压力锅的加热器会停止加热，但是加热器停止加热后，加热器的余热将会促使锅内的压力稍微超过70kpa，比如达到71kpa或者72kpa等压力值，然后才会逐渐回落到小于70kpa，接着加热器又开始加热，如此循环，使锅内的压力维持在70kpa左右，直至烹饪结束，因此，所述压力块400与所述排气阀体220的重量比在0.26~12.56之间调节效果最佳，若压力块400与排气阀体220的重量比小于0.26，压力块400因自身重力对排气阀体220施加的下压力则会比较小，当用户需要清香效果时，排气阀体220以及压力块400较容易被压力锅内的蒸汽顶起，即当压力锅内的压力稍微超过70kpa，锅内的蒸汽具有较大的可能克服压力块400和排气阀体220的双重压力而顶开排气阀体220排气，导致达不到清香效果。若压力块400与排气阀体220的重量比大于12.56时，压力块400自身重力较大，当用户需要浓香效果时，所述触发机构进入触发状态分离压力块400与排气阀体220的难度大大增加，不易实现，容易出现触发机构进入触发状态后压力块400与排气阀体220仍然不分离的情况，从而导致压力锅不排气而达不到浓香效果。
可选地，在本发明一个实施例中，所述压力块400与所述排气阀体220的重量比为0.89，此重量比下对压力锅的排气方式调节效果最佳。
本发明技术方案通过在排气阀体220上设置压力块400和触发机构，该触发机构在触发时使得压力块400与排气阀体220分离，在未触发时压力块400压在排气阀体220上，调节压力块400对排气阀体220施加的下压力，从而实现对排气阀芯210压力的调节，进而达到调节压力锅排气方式的效果。
进一步地，参照图1、图2、图3和图4，该触发机构包括活动设置的吸附块300，所述吸附块300与压力块400之间具有吸引力，所述吸附块300可在靠近所述压力块400的第一位置与远离所述压力块400的第二位置之间移动以调节所述压力块400对所述排气阀体220的压力。当吸附块300靠近压力块400时，对压力块400产生一定的吸引力，当吸附块300的吸引力足够大时，吸附压力块400离开排气阀体220；当吸附块300对压力块400的吸引力较小时，不能吸引压力块400离开排气阀体220，但是压力块400在吸引力的作用下，对排气阀体220的压力减小；当吸附块300远离压力块400时，对压力块400没有吸引力时，则压力块400仍然压设在排气阀体220上。
在实际应用中，可根据吸附块300与压力块400之间的距离来调节排气方式。
需浓香效果时：移动吸附块300靠近压力块400，则压力块400对排气阀体220的压力减小。当吸附块300对压力块400的吸引力足够大时，压力块400被吸附块300吸离排气阀体220；当吸附块300对压力块400的吸引力较小时，使得压力块400压在排气阀体220上的压力减小，从而减小对排气阀芯210施加的下压力，当压力锅内的压力达到70Kpa后，锅内的气体能够将排气阀体220顶起，使得排气孔212打开，从而实现了压力锅能够通过排气孔212排气，降低了压力锅内的气压，从而锅内的液体沸点也降低，实现了锅内液体沸腾，达到浓香效果。
需清香效果时：移动吸附块300远离压力块400，则吸附块300对压力块400没有吸引力，压力块400仍然压设在排气阀体220上以增大对排气阀芯210施加的下压力，使得当锅内压力达到70Kpa时，锅内的气体不能顶开排气阀体220，排气孔212不能打开，则压力锅不能排气，锅内的气压增高，从而锅内的液体沸点也升高，实现了锅内液体不能沸腾，达到清香效果。
进一步地，参照图1和图3，所述锅盖还包括盖设在所述排气阀200上的破泡器500和与破泡器500的盖体活动连接的吸附块安装座600，所述吸附块300安装在所述吸附块安装座600上。破泡器500的主要作用是使锅内不溢出大的气泡。当锅内的气体从排气通道211排出后，流通到破泡器500内，在破泡器500上设有开口510，从而使得气体能够通过开口510顺利排出到空气中。吸附块300安装在吸附块安装座600内，直接将吸附块安装座600设置在破泡器500上，且由于吸附块300与压力块400之间的距离要能够调节，故吸附块安装座600与破泡器500的盖体活动连接。在实际应用中，吸附块安装座600与破泡器500的盖体可设置成铰接或滑动连接，若设置成铰接，用户可通过旋转吸附块安装座600来调节吸附块300与压力块400之间的距离，吸附块安装座600可沿竖直方向转动，也可沿水平方向转动；若设置成滑动连接，则可在破泡器500的盖体上或吸附块安装座600上设置滑轨或滑槽，以实现吸附块300与压力块400之间的距离可调。
进一步地，为了使得吸附块300吸引压力块400离开或盖压排气阀体220的效果更好，可通过设置吸附块300与压力块400之间的位置关系来实现。
可选地，参照图1和图3，所述吸附块安装座600设置在排气阀200的顶端，所述吸附块300吸引所述压力块400向上移动。在本实施例中，当需要浓香效果时，可将吸附块安装座600调节到排气阀200的顶端，吸附块300吸附压力块400向上运动以离开排气阀体220，从而实现只有排气阀体220压在排气阀芯210上，进而使得当锅内气压达到70Kpa时，能够顶开排气阀体220实现排气。当需要清香效果时，吸附块安装座600调节远离压力块400，则压力块400从被吸附的位置向下掉落在排气阀芯220上，增大对排气阀芯210施加的下压力，则不能推开排气阀体220，实现不排气清香效果。在实际应用中，排气阀体220为了能够更加稳定的上下移动，会通过设置导向杆来起导向作用，在本实施例中，为了使得压力块400的运动更加稳定，优选设置压力块400套设在导向杆上。
可选地，所述吸附块安装座600设置在所述排气阀200的侧部，所述吸附块300吸附所述压力块400左右移动。压力块400的主要作用是增加排气阀体220对排气阀芯210施加的下压力，故对压力块400的形状结构不做特殊要求，可将压力块400设置成“C”型或“L”型，此时通过在侧面调节吸附块安装座600与压力块400之间的距离，即调节吸附块300与压力块400之间的吸引力大小，使得压力块400能够左右移动以离开排气阀体220，从而实现调节排气阀体220对排气阀芯210施加的下压力。
进一步地，所述吸附块300和压力块400其中一个为磁性材料，另一个为磁性感应材料。也就是说，当吸附块300为磁性材料时，压力块400为磁性感应材料；当吸附块300为磁性感性材料时，压力块400为磁性材料。只需要保证吸附块300与压力块400之间具有足够的吸引力即可。同时，为了保证排气阀体220压在排气阀芯210上，排气阀芯220优选为绝磁材料，避免排气阀芯220干扰吸附块300与压力块400之间的调节。
进一步地，参照图2和图4，为了使得排气阀200的排气控制效果更好，所述排气阀体220朝向所述排气阀芯210的一侧设有阀锥221，所述阀锥221堵设在所述排气孔212上，并可沿上下方向移动以打开或关闭所述排气孔212。阀锥221的锥体上设置有导向斜面，使得阀锥221更加方便进入排气孔212中，阀锥221的外径最好与排气通道211的内径相适配，使得阀锥221与排气通道211的内壁抵接，防止漏气的情况发生。
本发明还提出一种电压力锅，参照图5，该电压力锅包括锅体700和锅盖，该锅盖的具体结构参照上述实施例，由于本电压力锅采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。其中，锅体700具有向上敞开的锅腔800，所述锅盖与所述锅体700活动连接以打开或密封所述锅腔800。锅盖与锅体700之间的连接可根据用户使用需求来定，如通过转轴铰接或卡扣卡合等。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (10)

  1. 一种锅盖，包括锅盖本体和设置在所述锅盖本体上的排气阀，所述排气阀包括穿设于所述锅盖本体内外两侧的排气阀芯以及设置在所述排气阀芯上端的排气阀体，所述排气阀芯内设有沿其轴向延伸的排气通道，所述排气通道的两端延伸至所述排气阀芯的两端以在所述锅盖本体的外侧形成排气孔且在所述锅盖本体的内侧形成进气孔，所述排气阀体可沿上下方向移动以打开或关闭所述排气孔，其特征在于，该锅盖还包括压设在所述排气阀体上的压力块、触发机构，该触发机构用于在被触发时使所述压力块与所述排气阀体分离以防止所述排气阀体受到来自所述压力块的下压力。
  2. 如权利要求1所述的锅盖，其特征在于，所述触发机构包括活动设置的吸附块，所述吸附块与所述压力块之间具有吸引力，所述吸附块可在靠近所述压力块的第一位置与远离所述压力块的第二位置之间移动以调节所述压力块对所述排气阀体的下压力。
  3. 如权利要求2所述的锅盖，其特征在于，所述锅盖还包括盖设在所述排气阀上的破泡器以及与所述破泡器的盖体活动连接的吸附块安装座，所述吸附块安装在所述吸附块安装座上。
  4. 如权利要求3所述的锅盖，其特征在于，所述吸附块安装座与所述破泡器的盖体铰接或滑动连接。
  5. 如权利要求4所述的锅盖，其特征在于，所述吸附块安装座设置在所述排气阀的顶端，所述吸附块吸附所述压力块向上移动。
  6. 如权利要求4所述的锅盖，其特征在于，所述吸附块安装座设置在所述排气阀的侧部，所述吸附块吸附所述压力块左右移动。
  7. 如权利要求5或6所述的锅盖，其特征在于，所述吸附块和所述压力块其中一个为磁性材料，另一个为磁性感应材料。
  8. 如权利要求1所述的锅盖，其特征在于，所述排气阀体朝向所述排气阀芯的一侧设有阀锥，所述阀锥堵设在所述排气孔上，并可沿上下方向移动以打开或关闭所述排气孔。
  9. 如权利要求1所述的锅盖，其特征在于，所述排气阀体为绝磁材料。
  10. 一种电压力锅，其特征在于，包括锅体及如权利要求1至9任意一项所述的锅盖，所述锅体具有向上敞开的锅腔，所述锅盖与所述锅体活动连接以打开或密封所述锅腔。
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