CN211609172U - Cooking pot for steam heating and steam heating type cooking appliance - Google Patents

Abstract

The utility model discloses a cooking pot and steam heating formula cooking utensil for steam heating belongs to the kitchen appliances field, solves the problem that liquid suck-back phenomenon appears when cooking abnormal interruption or culinary art finish, the utility model is used for steam heating's cooking pot, including the pot body, pot cover and steam input channel, the pot cover lid closes form the culinary art chamber on the pot body, steam input channel runs through the pot cover and to culinary art chamber bottom surface extends for guide steam to culinary art chamber below the liquid level, steam input channel has hole enlargement portion, the internal diameter of hole enlargement portion is greater than the internal diameter at other positions of steam input channel, be equipped with in the hole enlargement portion and prevent suck-back hole. Compared with other parts of the steam input channel, the steam pressure applied to the inner wall of the diameter expanding part is the minimum, and under the steam flowing state in the steam input channel, the steam is not easy to be squeezed into the anti-suck-back hole, so that the steam which runs off from the anti-suck-back hole is reduced, and the steam utilization rate is improved.

Description

Cooking pot for steam heating and steam heating type cooking appliance

[ technical field ] A method for producing a semiconductor device

The utility model relates to a kitchen appliances field especially relates to a cooking pot and steam heating formula cooking utensil for steam heating.

[ background of the invention ]

Compare traditional heating methods (electric plate or electromagnetic induction heating), steam heating's hot homogeneity is better, can solve and heat uneven, easily stick with paste pot scheduling problem in traditional heating methods, therefore steam heating methods obtain the attention of industry gradually in recent years. The steam heating cooking utensil comprises a machine body and a pot, wherein the pot can be placed outside the machine body in a picking and placing mode, a steam generating device is arranged in the machine body and used for generating steam, and the steam is guided into the pot through a steam output channel on the machine body and an air inlet channel on the pot and is heated.

In practical application, above-mentioned steam heating formula cooking utensil can provide a mode of cooking congee, installs the steam pipe additional in the pan inside promptly, utilizes the steam pipe directly to the leading-in food of steam inside, promotes heating efficiency, shortens the culinary art time. In the porridge cooking mode matched with the steam conduit, steam is continuously introduced, so that the pressure in the liquid is higher than the pressure in the steam conduit, and if the steam supply is cut off (abnormal cooking is interrupted or the cooking is finished), the liquid flows back into the steam conduit along with food under the action of the pressure, and even the liquid can directly flow out of the pot cover along the steam conduit, so that the pot cover is polluted, and the user experience is influenced.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a cooking pot for steam heating, solve and cook the phenomenon that appears liquid suck-back when interrupting unusually or cooking the end.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a cooking pot for steam heating, including the pot body, pot cover and steam input channel, the pot cover lid closes form the culinary art chamber on the pot body, steam input channel runs through the pot cover and to culinary art chamber bottom surface extends for guide steam to culinary art chamber below the liquid level, steam input channel has hole enlargement portion, the internal diameter of hole enlargement portion is greater than the internal diameter of other positions of steam input channel, be equipped with anti-suck-back hole on the hole enlargement portion.

In the above-mentioned a cookware for steam heating, cookware still includes to be located the steam pipe of culinary art intracavity, be equipped with the intake pipe on the pot cover, when the pot cover lid closes the pot body, the intake pipe with steam pipe intercommunication forms steam input channel, hole enlargement portion is located on the steam pipe, the ratio of hole enlargement portion height and steam pipe overall height is 1/6 to 1/3.

In the above cooker for steam heating, the steam guide pipe includes a connection section for communicating the air inlet pipe and an air outlet section extending into the liquid surface of the cooking cavity, the inner diameter of the connection section is larger than that of the air outlet section, and the connection section wholly or partially forms the diameter expanding portion.

In the above cooker for steam heating, the steam guide pipe further includes a transition section that is reduced in transition from the connection section to the air outlet section.

In the above cooker for steam heating, the length of the transition section is greater than the length of the connecting section and the length of the air outlet section respectively.

In the above cooking pot for steam heating, the connection section is fitted over the air inlet pipe.

In the above cooker for steam heating, the inner diameter of the air inlet pipe is smaller than the inner diameter of the connecting section.

In the above-mentioned a cookware for steam heating, the suck-back prevention hole is directly or indirectly communicated with the cooking cavity.

In the above cooker for steam heating, the length of the diameter-enlarged portion is 10mm to 30 mm.

The utility model discloses still provide steam heating formula cooking utensil, including organism and above-mentioned arbitrary technical scheme the cooking pot, be equipped with steam generator and intercommunication on the organism steam generator's steam output channel, steam output channel is used for the butt joint steam input channel.

The utility model has the advantages that:

the utility model provides a cooking pot utensil for steam heating, including the pot body, pot cover and steam input channel, the pot cover lid closes form the culinary art chamber on the pot body, steam input channel runs through the pot cover to culinary art chamber bottom surface extends for guide steam to below the culinary art chamber liquid level, steam input channel has hole enlargement portion, the internal diameter of hole enlargement portion is greater than the internal diameter at other positions of steam input channel, be equipped with in the hole enlargement portion and prevent the suck-back hole.

When the cooking is abnormally interrupted or the cooking is finished, the gas in the cooking cavity can enter the steam input channel from the anti-suck-back hole, the pressure difference inside and outside the steam input channel is balanced, and the phenomenon of liquid suck-back in the steam input channel is prevented. In the normal culinary art process, outside steam lets in steam input channel continuously, and the steam in the steam input channel also can be followed and prevented suck-back hole entering culinary art chamber, if from preventing suck-back hole loss too much steam, can reduce steam input channel's steam output pressure and flow, is unfavorable for food steam heating. The utility model discloses in, prevent that suck-back hole is set up in the biggest hole enlargement portion of steam input channel internal diameter, compares other positions of steam input channel, and the steam pressure of applying on the hole enlargement portion inner wall is minimum, and under the steam flow state in steam input channel, the hole is prevented suck-back by the crowded income of steam is difficult to reduce from preventing the steam that suck-back hole runs off, improve steam utilization ratio.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic structural view of a cooking pot according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of a steam guide pipe according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a steam heating type cooking appliance according to an embodiment of the present invention.

Reference numerals:

100 pot covers, 10 outer covers, 120 inner covers;

200 of a pan body;

300 steam guide pipe, 310 steam inlet, 320 steam outlet, 330 connecting section, 340 air outlet section, 350 transition section and 360 anti-suck-back hole;

400 a cooking cavity;

500 air inlet pipe, 510 pipe connecting part;

600 machine body, 610 machine body upper part, 620 supporting part and 630 machine body lower part;

700 a steam generator;

800 steam output channel.

[ detailed description ] embodiments

The utility model provides a cooking pot utensil for steam heating, including the pot body, pot cover and steam input channel, the pot cover lid closes form the culinary art chamber on the pot body, steam input channel runs through the pot cover to culinary art chamber bottom surface extends for guide steam to below the culinary art chamber liquid level, steam input channel has hole enlargement portion, the internal diameter of hole enlargement portion is greater than the internal diameter at other positions of steam input channel, be equipped with in the hole enlargement portion and prevent the suck-back hole. The design of the anti-suck-back hole prevents the liquid suck-back phenomenon in the steam input channel, the anti-suck-back hole is arranged on the diameter expanding part with the largest inner diameter of the steam input channel, compared with other parts of the steam input channel, the steam pressure applied on the inner wall of the diameter expanding part is the smallest, and under the steam flowing state in the steam input channel, the steam is not easy to be squeezed into the anti-suck-back hole, so that the steam lost from the anti-suck-back hole is reduced, and the steam utilization rate is improved.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 3, in the cooking pot for steam heating provided in an embodiment of the present invention, including the pot body 200, the pot cover 100 and the steam input channel, the pot cover 100 covers the pot body 200 to form the cooking cavity 400, the steam input channel runs through the pot cover 100 and extends to the bottom surface of the cooking cavity 400, and during cooking, the steam input channel directly guides steam to the inside of the cooking food. Taking porridge as an example, because steam is directly input into the rice-water mixture, the steam entering the rice-water mixture firstly pushes the rice-water mixture nearby to move in the direction away from the steam input channel, then upwards diffuses and returns to the vicinity of the steam input channel again to form a rolling liquid flow, rolling boiling is realized in the rice-water mixture, the rice-water mixture can be heated in a continuous full-power state in the boiling mode, rice water is kept boiling continuously without overflowing, the cooking time can be shortened, and the cooking quality can be improved.

It should be noted that, the cooking pot described in this embodiment does not have a heating function, and cannot generate steam, and during cooking, an independent steam generating device is required to provide steam, and the steam generating device is not particularly limited as long as it can satisfy the controllable output of steam.

In this embodiment, the cooking pot further includes a steam conduit 300, the steam conduit 300 is located in the cooking cavity 400 and vertically extends from the top of the cooking cavity 400 to the bottom thereof, a plurality of steam outlets 320 are distributed on the wall of the steam conduit 300 near the lower end, the upper end of the steam conduit 300 is open to form a steam inlet 310, and during the cooking process, the steam outlets 320 are located below the liquid level a of the cooking cavity so as to introduce steam into the liquid. The pot cover 100 includes an outer cover 110 and an inner cover 120, an air inlet pipe 500 is installed on the outer cover 110, the air inlet pipe 500 penetrates through the inner cover 120 and extends into the cooking cavity 400, a conduit connecting portion 510 for connecting the steam conduit 300 is arranged at the lower end of the air inlet pipe 500, the steam conduit 300 is detachably sleeved on the conduit connecting portion 510, for example, the conduit connecting portion 510 is magnetically attracted, screwed, interference fit, and the like, and the air inlet pipe 500 and the steam conduit 300 are communicated to form a steam input channel of the present embodiment.

The steam conduit 300 includes a connecting section 330 for communicating the air inlet pipe 500 and an air outlet section 340 extending into the liquid surface of the cooking cavity, wherein the connecting section 330 is in a straight cylinder shape and can be conveniently sleeved on a conduit connecting portion 510 at the lower end of the air inlet pipe 500, the inner diameter of the air outlet section 340 is smaller than that of the connecting section 330, and the plurality of steam outlets 320 are circumferentially arranged on the wall of the air outlet section 340. In the cooking process, steam introduced by the air inlet pipe 500 firstly enters the connecting section 330 and then is discharged through the steam outlet 320 of the air outlet section 340, and because the inner diameter of the air outlet section 340 is smaller than that of the connecting section 330, the steam flow rate and the steam pressure are increased due to space compression after entering the air outlet section 340, the steam discharged from the steam outlet 320 has stronger driving force, the formation of rolling liquid flow is better promoted, and the rolling effect of food is increased.

According to the steam conduit 300 of the present embodiment, the connecting section 330 forms an expanded diameter portion of the steam input channel, the inner diameter of the expanded diameter portion is larger than the inner diameter of other portions of the steam input channel, that is, the inner diameter of the connecting section 330 is larger than the inner diameters of other portions of the steam conduit 300 and the air inlet pipe 500, and the pipe wall of the connecting section 330 is provided with the suck-back prevention hole 360. When the cooking is abnormally interrupted or the cooking is finished, the gas in the cooking cavity 400 can enter the steam input channel from the anti-suck-back hole 360, the pressure difference between the inside and the outside of the steam input channel is balanced, and the phenomenon of liquid suck-back in the steam input channel is prevented. And in the normal culinary art in-process, compare steam pipe 300 other positions and intake pipe 500, exert the steam pressure minimum on linkage segment 330 inner wall, under the steam flow state in the steam input channel, steam is difficult for being crowded into prevents suck-back hole 360 to reduce from preventing suck-back hole 360 steam that runs off, improve steam utilization ratio. Because the steam guide pipe 300 is positioned in the cooking cavity 400, the steam lost from the anti-reverse suction hole 360 directly enters the cooking cavity 400, the cover cannot be overflowed, the steam entering the cooking cavity 400 can participate in food heating, and the waste of steam heat cannot be caused.

Furthermore, the ratio of the height of the expanding part to the overall height of the steam conduit 300 is 1/6-1/3, and when the height of the expanding part is within the range, the problem that the steam jet force of the steam conduit 300 is insufficient due to the reduction of the steam pressure of the expanding part can be avoided.

Referring to fig. 1-3, in an embodiment of the present invention, the steam conduit 300 further includes a transition section 350 that is reduced by the connection section 330 to the air outlet section 340, the transition section 350 is a tapered tube with a gradually decreasing inner diameter from top to bottom, and steam is gradually compressed and accelerated when passing through the transition section 350 from top to bottom, so that steam has a higher ground flow rate and pressure when entering the air outlet section 340, and the steam flows more smoothly from the connection section 330 to the air outlet section 340 under the guidance of the transition section 350, thereby ensuring that the steam is stably and continuously discharged from the steam outlets 320 of the air outlet section 340. In addition, the transition section 350 makes the steam conduit 300 streamline, beautiful in appearance and easy to clean.

In this embodiment, the length of the transition section 350 is greater than the length of the connection section 330 and the length of the air outlet section 340. The length of the steam conduit 300 is designed to ensure that the air outlet section 340 can extend into the liquid level a of the cooking cavity, and then the realization of the functions of the connecting section 330 and the transition section 350 is considered, if the transition section 350 is designed to be too short, the connecting section 330 and the air outlet section 340 are required to make up for the length of the steam conduit 300, and if the length of the connecting section 330 is increased, because the inner diameter of the connecting section 330 is larger, the material cost of the steam conduit 300 is increased, and the internal air pressure of the steam conduit 300 is also reduced; if the length of the air outlet section 340 is increased, the inner diameter of the air outlet section 340 is smaller, which increases the flow resistance of the steam. Because the length of the transition section 350 is greater than the length of the connection section 330 and the length of the air outlet section 340, the steam flowing from the connection section 330 to the air outlet section 340 is subjected to a longer accelerated pressurization process, and the accelerated pressurization and discharge of the steam are realized on the premise of ensuring the smooth flow of the steam; the transition section 350 makes the connection section 330 and the air outlet section 340 far away from each other, and the anti-suck-back hole 360 is arranged on the connection section 330, so that the anti-suck-back hole 360 can be far away from the liquid level a of the cooking cavity 400, and the anti-suck-back hole 360 is prevented from being blocked by rice water foam when liquid is boiled.

In an embodiment of the invention, the connecting section part forms an expanding part, exemplarily: the connecting section is of a reducing structure, the connecting section comprises a large-diameter part and a small-diameter part from top to bottom, the large-diameter part is sleeved on the air inlet pipe, the air inlet pipe and the small-diameter part of the connecting section form a steam input channel to the air outlet section of the steam guide pipe, the inner diameter of the small-diameter part is larger than the inner diameters of other parts of the steam guide pipe and the air inlet pipe, and the small-diameter part of the connecting section is provided with a suck-back prevention hole.

Referring to fig. 1 and 2, in an embodiment of the present invention, based on any of the above embodiments, the inner diameter of the air inlet tube 500 is smaller than the inner diameter of the connection section 330 of the steam conduit 300, and the inner diameter of the steam input channel is increased from small to large and then decreased from large to small from the air inlet tube 500 to the air outlet section 340 of the steam conduit 300, so that the steam pressure in the diameter expansion part (i.e. the connection section 330 of the steam conduit 300) of the steam input channel designed in this way can be further decreased, thereby reducing the steam loss from the anti-suck-back hole 360.

In one embodiment of the present invention, the suck back prevention hole is disposed on the intake pipe and directly communicates with the cooking cavity. The following are exemplary: the pot cover includes enclosing cover and inner cup, install the intake pipe on the enclosing cover, the intake pipe runs through the inner cup and stretches into the culinary art intracavity, prevent that the suck-back hole runs through the intake pipe wall, make prevent suck-back hole inner intercommunication steam input channel, prevent suck-back hole outer end intercommunication culinary art chamber, after stopping the steam supply, the gas of culinary art intracavity is from preventing that the suck-back hole gets into in the intake pipe, the inside and outside pressure differential of balanced intake pipe, also the inside and outside pressure differential of balanced steam input channel promptly, prevent to appear liquid suck-back phenomenon in the steam input. In the normal culinary art in-process, directly get into the culinary art intracavity from the steam that prevents the suck-back hole and run off, the excessive condition of steam can not appear in the pot cover, and the steam that gets into the culinary art chamber also can participate in the food heating, can not cause the thermal waste of steam. In the embodiment, the inner diameter of the air inlet pipe is larger than that of the steam conduit, the whole or part of the air inlet pipe forms an expanding part, and the suck-back prevention hole is positioned in the expanding part of the air inlet pipe.

In one embodiment of the present invention, the suck-back prevention hole is disposed on the intake pipe and indirectly communicates with the cooking cavity. The following are exemplary: based on above-mentioned embodiment, prevent that the suck-back hole still sets up on the intake pipe, is equipped with the backward flow hole on the inner cup, prevents that the suck-back hole passes through backflow channel intercommunication backward flow hole. After the steam supply is stopped, the gas in the cooking cavity enters the air inlet pipe through the backflow hole, the backflow channel and the anti-suck-back hole, the internal and external pressure difference of the air inlet pipe is balanced, namely the internal and external pressure difference of the steam input channel is balanced, and the phenomenon of liquid suck-back in the steam input channel is prevented. In the normal cooking process, steam lost from the anti-reverse suction hole enters the cooking cavity through the reflux channel and the reflux hole.

Referring to fig. 4, in a steam heating cooking utensil provided in an embodiment of the present invention, including the machine body 600 and the cooking pot described in any of the above embodiments, the machine body 600 is provided with a steam generator 700 and a steam output channel 800 communicating with the steam generator 700, and the steam output channel 800 is used for butting against a steam input channel. The following are exemplary: the machine body 600 includes a machine body upper portion 610, a machine body lower portion 630 and a supporting portion 620 connected therebetween, an open space is formed between the machine body upper portion 610 and the machine body lower portion 630, a cooking pot is placed in the open space in a removable manner, and the steam output channel 800 is connected to a steam output port provided on a lower surface of the machine body upper portion 610. Foretell steam heating formula cooking utensil is different from conventional rice cooker class cooking utensil, has adopted the external structure of pan, places cooking pot in open space, and not only convenience of customers gets and puts cooking pot, has also reduced the restriction to cooking pot type, makes steam heating formula cooking utensil can arrange more types of pans to expand and go out the function of something more than one, reach a tractor serves several purposes.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. A cooking pot for steam heating, including the pot body, pot cover and steam input channel, steam input channel includes the steam pipe, the pot cover lid closes form the culinary art chamber on the pot body, steam input channel runs through the pot cover and to culinary art chamber bottom surface extends for guide steam to cook below the chamber liquid level, its characterized in that, steam input channel has hole enlargement portion, the internal diameter of hole enlargement portion is greater than the internal diameter of other positions of steam input channel, be equipped with anti-suck-back hole in the hole enlargement portion.

2. The cookware for steam heating as claimed in claim 1, wherein an air inlet pipe is provided on the lid, when the lid is closed, the air inlet pipe communicates with the steam conduit to form the steam input channel, the diameter-expanding part is located on the steam conduit, and the ratio of the height of the diameter-expanding part to the overall height of the steam conduit is 1/6 to 1/3.

3. The cookware for steam heating as claimed in claim 2, wherein the steam conduit includes a connection section for communicating the inlet pipe and an outlet section extending into a liquid surface of the cooking cavity, the connection section having an inner diameter larger than that of the outlet section, the connection section forming the enlarged diameter portion in whole or in part.

4. The cookware for steam heating as set forth in claim 3 wherein said steam conduit further includes a transition section that narrows from said connection section to said exit section.

5. The cookware for steam heating as set forth in claim 4, wherein the length of said transition section is greater than the length of said connection section and said venting section, respectively.

6. The cookware for steam heating as set forth in claim 3, wherein said connection section is fitted over said air inlet pipe.

7. The cookware for steam heating as set forth in claim 3, wherein an inner diameter of the inlet pipe is smaller than an inner diameter of the connection section.

8. The cookware for steam heating as set forth in one of claims 1 to 7 wherein said suck back prevention hole is in direct or indirect communication with said cooking cavity.

9. The cookware for steam heating as claimed in one of claims 1 to 7, wherein the length of the expanded diameter part is 10mm to 30 mm.

10. Steam heating type cooking appliance, characterized in that, comprising a body and the cookware of one of claims 1 to 9, the body is provided with a steam generator and a steam output channel communicated with the steam generator, the steam output channel is used for butt joint with the steam input channel.

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