CN215383113U - Cooking utensil - Google Patents

Abstract

The utility model discloses a cooking utensil, belongs to the technical field of food processing, and aims to overcome the defect of poor continuity of an anti-overflow effect of an existing rice cooker. Cooking utensil is including the pot body and pot lid, and the pot body is held and is had interior pot, and the pot lid forms the culinary art chamber on fitting the interior pot, sets up the anti-overflow valve on the pot lid, and the culinary art chamber sets up cooling circuit through anti-overflow valve and external intercommunication on the cooking utensil, sets up condenser and drive arrangement on the cooling circuit, and condenser and anti-overflow valve heat-conduction are connected, have the coolant liquid in the cooling circuit, and drive arrangement drive coolant liquid flows and flows through the condenser in cooling circuit. The heat of condenser can be absorbed to the coolant liquid in the condenser, because cooling circuit can continuously provide the lower coolant liquid of temperature for the condenser can be in the lower temperature state for a long time and in order to continuously cool down the anti-overflow valve, is convenient for handle long-time culinary art, can further improve cooking utensil's anti-overflow effect.

Description

Cooking utensil

Technical Field

The utility model belongs to the technical field of food processing, and relates to a cooking appliance.

Background

The existing rice cooker is easy to overflow during cooking, and the overflow reason is mainly two: firstly, the porridge soup in the pot becomes sticky after being heated, the condensation nucleus is increased, bubbles are easier to generate, and have larger surface tension and are correspondingly less prone to rupture; secondly, the speed of the steam generated by heating the inner container is higher under the general condition, a certain pressure exists in the cooker, and particularly, the working power in the cooker is higher in certain specific time intervals, so that the bubbles can be continuously supplemented with the steam on one hand, and the bubbles can resist the internal air pressure by stronger external pressure, can be continuously generated and grown up and cannot be broken quickly on the other hand. When the bubble generation and growth speed exceeds a certain limit, the overflow of the pot can occur.

To overflowing the pot phenomenon, some rice cooker is through setting up the anti-overflow valve in the pot cover, and the anti-overflow valve is relieved overflowing the pot phenomenon through the broken bubble of buffering, and the anti-overflow valve itself does not have the step-down effect, can only accomodate partial liquid, starts after one end time when the culinary art, and when environment in the anti-overflow valve and the interior unanimity of pot, the anti-overflow valve also no longer has the anti-overflow effect yet, and the anti-overflow continuation is relatively poor.

Disclosure of Invention

The utility model provides a cooking utensil aiming at the problems in the prior art and aims to overcome the defect that the existing rice cooker is poor in anti-overflow effect continuity.

The utility model is realized by the following steps:

the utility model provides a cooking utensil, includes the pot body and pot cover, the pot body has held interior pot, the pot cover lid fits form the culinary art chamber on the interior pot, set up the anti-overflow valve on the pot cover, the culinary art chamber passes through anti-overflow valve and external intercommunication, the last cooling circuit that sets up of cooking utensil, set up condenser and drive arrangement on the cooling circuit, the condenser with anti-overflow valve heat-conduction connects, the coolant liquid has in the cooling circuit, the drive arrangement drive the coolant liquid is in flow and flow through in the cooling circuit the condenser.

During the culinary art, if there is more bubble production in the culinary art chamber, bubble and steam can get into the anti-overflow valve jointly, the anti-overflow valve can form higher temperature, because anti-overflow valve and condenser heat-conduction are connected, the temperature of condenser is lower, the anti-overflow valve can be with heat transfer to the condenser on, the temperature of anti-overflow valve will reduce like this, thereby make the steam temperature in the anti-overflow valve reduce, partial steam liquefaction, steam reduction around the bubble makes the atmospheric pressure around the bubble reduce, atmospheric pressure in the bubble is greater than the atmospheric pressure outside the bubble, thereby the bubble burst avoids the bubble further to spill over the outside of pot cover, realize the anti-overflow effect. The heat of condenser can be absorbed to the coolant liquid in the condenser, because cooling circuit can continuously provide the lower coolant liquid of temperature for the condenser can be in the lower temperature state for a long time and in order to continuously cool down the anti-overflow valve, is convenient for handle long-time culinary art, can further improve cooking utensil's anti-overflow effect.

Preferably, the condenser and the spill-proof valve are in heat-conducting connection, and the condenser and the spill-proof valve are in heat-conducting connection in one of the following connection modes: the condenser is in direct contact connection with the anti-overflow valve; or the condenser and the overflow prevention valve are indirectly connected through a heat conducting member; or the condenser and the overflow prevention valve are integrally connected. The heat exchange efficiency of the anti-overflow valve and the condenser can be guaranteed to be high by the aid of the heat conduction connection modes, heat of the anti-overflow valve is transferred to the condenser more efficiently and fully, and the anti-overflow effect is guaranteed.

Preferably, the overflow prevention valve is detachably fixed on the pot cover. Thus being convenient for cleaning the anti-overflow valve.

Preferably, the anti-overflow valve is provided with a steam inlet and a steam outlet, a flow guide part is arranged in the anti-overflow valve to form a bent flow guide channel, and the steam inlet is communicated with the steam outlet through the flow guide channel. The bent flow guide channel can prolong the retention time of bubbles and steam in the anti-overflow valve, so that the heat of the steam can be more fully transferred to the condenser, and the risk of overflowing is further reduced.

Preferably, one end of the anti-overflow valve, which is close to the steam outlet, is provided with a liquid collecting tank, and the bottom of the liquid collecting tank is lower than the bottom of the flow guide channel. Therefore, water formed by steam condensed by the anti-overflow valve can flow into the liquid collecting tank, so that the phenomenon that water is retained in the flow guide channel to block the flow guide channel is avoided, and the smoothness of exhaust of the cooking utensil is ensured.

Preferably, the condenser includes a liquid inlet and a liquid outlet, the liquid inlet corresponds to the steam outlet, and the liquid outlet corresponds to the steam inlet. The flow direction of steam in the anti-overflow valve is opposite to the flow direction of cooling liquid in the condenser like this for steam can continuously cool down at the flow in-process, improves the anti-overflow effect.

Preferably, the anti-overflow valve comprises a valve body and a valve cover detachably fixed on the valve body, and a steam outlet is formed in the valve cover. The detachable valve cover is convenient for cleaning the anti-overflow valve.

Preferably, the cooling liquid is water, a water storage tank for storing the cooling liquid is arranged in the cooling loop, and the driving device is positioned between the water storage tank and a liquid inlet of the condenser. The storage water tank can store sufficient coolant, provides more lasting cooling effect for the anti-overflow valve, further reduces the risk of overflowing.

Preferably, the pot cover includes the inner cup, set up the steam passageway on the inner cup, the steam passageway through the communicating pipe with the anti-overflow valve intercommunication, the culinary art chamber is in proper order through steam passageway, communicating pipe and anti-overflow valve intercommunication external. The anti-overflow valve and the steam channel are not required to be directly connected, and the relative positions of the anti-overflow valve and the steam channel are more flexible.

Preferably, the anti-overflow valve is the platykurtic, the upper end of condenser sets up the mounting groove, the anti-overflow valve inlays in the mounting groove, the diapire of anti-overflow valve with the diapire of mounting groove is laminated mutually, the partial lateral wall of anti-overflow valve with the inboard wall of mounting groove is laminated mutually. The pot cover is limited in thickness, the flat anti-overflow valve is convenient to mount, the area of the lower end face of the anti-overflow valve connected with the condenser is larger, and the anti-overflow valve and the condenser can be more efficiently conducted; the overflow prevention valve is embedded in the installation groove, so that the side wall of the overflow prevention valve can be in contact with the condenser, and the heat conduction efficiency is further improved.

According to the cooking utensil provided by the utility model, the cooling liquid in the condenser can absorb the heat of the condenser, and the cooling loop can continuously provide the cooling liquid with lower temperature for the condenser, so that the condenser can be in a lower-temperature state for a long time to continuously cool the anti-overflow valve, long-time cooking is facilitated, and the anti-overflow effect of the cooking utensil can be further improved.

Drawings

FIG. 1 is a schematic view of a rice cooker;

FIG. 2 is a schematic sectional view of the rice cooker;

FIG. 3 is a schematic view of a cooling circuit;

fig. 4 is a partial structural schematic view of the pot cover;

FIG. 5 is a schematic cross-sectional view of the mating of the spill prevention valve and the condenser;

fig. 6 is a schematic structural view of the valve body and the condenser in cooperation.

Reference is made to the accompanying drawings in which: 100. a pan body; 110. an inner pot; 120. a cooking cavity; 200. a pot cover; 210. an inner cover; 220. a steam channel; 230. a communicating pipeline; 300. an anti-overflow valve; 310. a valve body; 311. a steam inlet; 312. a flow guide part; 313. a flow guide channel; 314. a liquid collecting tank; 320. a valve cover; 321. a steam outlet; 400. a cooling circuit; 410. a condenser; 411. a liquid inlet; 412. a liquid outlet; 413. mounting grooves; 420. a drive device; 430. a water storage tank.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings for the purpose of facilitating understanding and understanding of the technical solutions of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The embodiment provides a rice cooker, which is a specific application of the innovative scheme of the utility model on the rice cooker. The innovative scheme of the utility model can also be applied to cooking appliances such as electric frying pans and the like.

As shown in fig. 1 to 3, the rice cooker includes a cooker body 100 and a cooker cover 200, the cooker body 100 accommodates an inner cooker 110, the cooker cover 200 covers the inner cooker 110 to form a cooking cavity 120, an overflow prevention valve 300 is disposed on the cooker cover 200, the cooking cavity 120 is communicated with the outside through the overflow prevention valve 300, a cooling circuit 400 is disposed on the rice cooker, a condenser 410 and a driving device 420 are disposed on the cooling circuit 400, the condenser 410 is in heat conduction connection with the overflow prevention valve 300, cooling liquid is provided in the cooling circuit 400, and the driving device 420 drives the cooling liquid to flow in the cooling circuit 400 and flow through the condenser 410.

During cooking, if there are more bubbles to produce in the culinary art chamber 120, bubble and steam can get into anti-overflow valve 300 jointly, anti-overflow valve 300 can form higher temperature, form obvious difference in temperature between anti-overflow valve 300 and the condenser 410, because anti-overflow valve 300 and condenser 410 heat-conduction are connected, the temperature of condenser 410 is lower, anti-overflow valve 300 can be with heat transfer to condenser 410 on, the temperature of anti-overflow valve 300 will reduce like this, thereby make the steam temperature in anti-overflow valve 300 reduce, partial steam liquefaction, steam reduction around the bubble makes the atmospheric pressure around the bubble reduce, atmospheric pressure in the bubble is greater than the outer atmospheric pressure of bubble, thereby the bubble is burst and is avoided the bubble further to spill over the outside of pot cover 200, realize the anti-overflow effect.

The driving device 420 may be a water pump, the driving device 420 drives the cooling liquid to flow in the cooling circuit 400, the cooling liquid flowing through the condenser 410 can absorb heat of the condenser 410, the cooling liquid with higher temperature flows out of the condenser 410 after absorbing the heat of the condenser 410, and the cooling liquid with lower temperature in the cooling circuit 400 is supplemented into the condenser 410, so that the cooling liquid can continuously provide the cooling liquid with lower temperature for the condenser 410, so that the condenser 410 can be in a lower temperature state for a long time to continuously cool the anti-overflow valve 300, which is convenient for long-time cooking and can further improve the anti-overflow effect of the cooking appliance. As shown in fig. 3, the arrows on the cooling circuit 400 and the condenser 410 indicate the flow direction of the cooling liquid.

The overflow prevention valve 300 is detachably fixed on the pot cover 200, for example, the overflow prevention valve 300 is fixed on the pot cover 200 in a clamping manner, and steam condensed can be accumulated in the overflow prevention valve 300 and needs to be cleaned in time, and when the overflow prevention valve 300 is cleaned, the overflow prevention valve 300 is detached from the pot cover 200, so that the cleaning of the overflow prevention valve 300 is facilitated.

As shown in fig. 4-6, the condenser 410 and the overfill prevention valve 300 are in direct contact connection to achieve a thermally conductive connection between the condenser 410 and the overfill prevention valve 300. The condenser 410 and the overflow prevention valve 300 are made of materials with good heat conductivity, such as aluminum, iron, stainless steel, etc., which is beneficial to improving the heat conduction efficiency between the condenser 410 and the overflow prevention valve 300 and ensuring the overflow prevention effect.

In other alternative embodiments, the condenser 410 and the overflow prevention valve 300 may be connected in a heat conduction manner, such that the condenser 410 and the overflow prevention valve 300 are indirectly connected through a heat conduction member, or the condenser 410 and the overflow prevention valve 300 are integrally connected. The indirect connection of the condenser 410 and the overfill prevention valve 300 through a thermally conductive member, as opposed to the direct contact connection of the condenser 410 and the overfill prevention valve 300, can increase the flexibility of the arrangement of the condenser 410 and the overfill prevention valve 300, but can reduce the efficiency of the thermal conduction; the condenser 410 and the spill-proof valve 300 are integrally connected, so that the heat conduction efficiency of the condenser 410 and the spill-proof valve 300 can be improved, but the condenser 410 needs to be disassembled together when the spill-proof valve 300 needs to be disassembled and cleaned, the disassembly and the assembly of the spill-proof valve 300 are not facilitated, the condenser 410 needs to be separated from the cooling circuit 400 when the condenser 410 is disassembled, and the leakage of the cooling liquid is easy to occur.

As shown in fig. 6, a steam inlet 311 and a steam outlet 321 are provided on the spill-proof valve 300, a flow guide part 312 is provided in the spill-proof valve 300 to form a curved flow guide channel 313, and the steam inlet 311 is communicated with the steam outlet 321 through the flow guide channel 313. The curved guide passage 313 can extend the residence time of the bubbles and steam in the overflow prevention valve 300 so that the heat of the steam can be more sufficiently transferred to the condenser 410, further reducing the risk of overflowing. In other alternative embodiments, the overflow prevention valve 300 may not have the flow guide portion 312, and the overflow prevention valve 300 has a flat chamber, so that the steam and the bubbles stay in the overflow prevention valve 300 for a short time, the temperature drop is limited, the bubbles easily overflow from the steam outlet 321 without being broken, and the effect of the overflow prevention pot is poor.

As shown in fig. 5 to 6, a liquid collecting groove 314 is formed at an end of the overflow preventing valve 300 near the steam outlet 321, and a bottom of the liquid collecting groove 314 is lower than a bottom of the guide passage 313. Thus, water formed by steam condensed on the overflow prevention valve 300 can flow into the liquid collection tank 314, so that the water is prevented from being retained in the flow guide channel 313 to block the flow guide channel 313, and the smoothness of rice cooker exhaust is ensured. Steam outlet 321 is located directly over catch basin 314, and steam flows to steam outlet 321 from steam inlet 311, and be close to steam outlet 321 diversion channel 313 and can form more liquid water, sets up catch basin 314 and is favorable to the liquid water in diversion channel 313 to flow into catch basin 314 fast directly under steam outlet 321.

As shown in fig. 3 and 5, the condenser 410 includes a liquid inlet 411 and a liquid outlet 412, the liquid inlet 411 is disposed corresponding to the vapor outlet 321, and the liquid outlet 412 is disposed corresponding to the vapor inlet 311. In this way, the steam in the overflow prevention valve 300 flows in the opposite direction to the cooling liquid in the condenser 410, so that the temperature of the steam can be continuously reduced during the flowing process, and the overflow prevention effect is improved.

As shown in fig. 5 to 6, the spill prevention valve 300 includes a valve body 310 and a valve cover 320 detachably fixed to the valve body 310, and the valve cover 320 is provided with a steam outlet 321. The valve body 310 and the valve cover 320 are independent before assembly and are processed independently, so that when the valve body 310 is processed, the upper end of the valve body 310 is in an open state, the bent flow guide channel 313 is conveniently processed and formed, and the detachable valve cover 320 is convenient for cleaning the anti-overflow valve 300.

As shown in fig. 2-3, the cooling fluid is water, a water storage tank 430 for storing the cooling fluid is disposed in the cooling circuit 400, and the driving device 420 is disposed between the water storage tank 430 and the liquid inlet 411 of the condenser 410. The cost of water is lower, and the specific heat capacity is great, does not have the pollution nature, can provide better cooling effect. The water storage tank 430 can store sufficient cooling liquid, so that a more lasting cooling effect is provided for the overflow prevention valve 300, and the risk of overflowing is further reduced.

As shown in fig. 4, the pot cover 200 includes an inner cover 210, a steam passage 220 is formed on the inner cover 210, the steam passage 220 is communicated with the overflow prevention valve 300 through a communication pipe 230, and the cooking cavity 120 is communicated with the outside through the steam passage 220, the communication pipe 230 and the overflow prevention valve 300 in sequence. The communication pipeline 230 is provided, the overflow prevention valve 300 and the steam channel 220 do not need to be directly connected, and the relative positions of the two are more flexibly arranged. As shown in fig. 3, the arrows in the communication line 230 point to indicate the flow direction of the vapor and bubbles.

As shown in fig. 5 to 6, the spill-proof valve 300 is flat, the bottom wall of the spill-proof valve 300 is attached to the bottom wall of the mounting groove 413, the heat of the steam in the spill-proof valve 300 is transmitted to the cooling liquid in the condenser 410 through the spill-proof valve 300 and the condenser 410, the smaller the thicknesses of the spill-proof valve 300 and the condenser 410 at the interval between the steam and the cooling liquid are, the higher the heat conduction efficiency is, the lower end surface of the spill-proof valve 300 is in direct contact connection with the upper end surface of the condenser 410, and is a main heat conduction part of the steam and the cooling liquid, and the flat spill-proof valve 300 enables the lower end surface of the spill-proof valve 300 to form a larger contact surface with the condenser 410, so that the heat conduction efficiency of the steam and the cooling liquid can be improved to a greater extent. In addition, since the pot cover 200 has a limited thickness, the flat overflow preventing valve 300 facilitates the installation of the overflow preventing valve 300,

further, an upper end portion of the condenser 410 is provided with a mounting groove 413, the overflow prevention valve 300 is inserted into the mounting groove 413, and a portion of a side wall of the overflow prevention valve 300 is attached to an inner side wall of the mounting groove 413. The overflow prevention valve 300 is inserted into the installation groove 413 such that the sidewall of the overflow prevention valve 300 can be brought into contact with the condenser 410, thereby increasing the contact surface between the overflow prevention valve 300 and the condenser 410, further improving the heat transfer efficiency, and improving the overflow prevention effect.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the figures, merely to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

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, "a plurality" means two or more unless specifically defined otherwise. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood by those skilled in the art that the embodiments of the present invention are described above, but the descriptions are only for the purpose of facilitating understanding of the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the embodiments of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a cooking utensil, includes the pot body and pot cover, the pot body has held interior pot, the pot cover lid fits form the culinary art chamber on the interior pot, a serial communication port, set up the anti-overflow valve on the pot cover, the culinary art chamber passes through anti-overflow valve and external intercommunication, set up cooling circuit on the cooking utensil, set up condenser and drive arrangement on the cooling circuit, the condenser with anti-overflow valve heat-conduction connects, the coolant liquid has in the cooling circuit, the drive arrangement drive the coolant liquid is in flow and flow through in the cooling circuit the condenser.

2. The cooking appliance of claim 1, wherein said condenser and said spill valve thermally conductive connection comprises one of the following connections: the condenser is in direct contact connection with the anti-overflow valve; or the condenser and the overflow prevention valve are indirectly connected through a heat conducting member; or the condenser and the overflow prevention valve are integrally connected.

3. The cooking appliance of claim 1, wherein said overflow prevention valve is removably secured to said lid.

4. The cooking appliance according to any one of claims 1 to 3, wherein the overflow prevention valve is provided with a steam inlet and a steam outlet, a flow guide part is arranged in the overflow prevention valve to form a curved flow guide channel, and the steam inlet is communicated with the steam outlet through the flow guide channel.

5. The cooking appliance according to claim 4, wherein a liquid collecting groove is formed at one end of the overflow preventing valve close to the steam outlet, and the bottom of the liquid collecting groove is lower than the bottom of the flow guide channel.

6. The cooking appliance of claim 4, wherein the condenser comprises a liquid inlet and a liquid outlet, the liquid inlet is disposed corresponding to the vapor outlet, and the liquid outlet is disposed corresponding to the vapor inlet.

7. The cooking appliance according to any one of claims 1 to 3, wherein the overflow preventing valve comprises a valve body and a valve cover detachably fixed on the valve body, and the valve cover is provided with a steam outlet.

8. A cooking appliance as claimed in any one of claims 1 to 3, wherein the cooling liquid is water, a reservoir is provided in the cooling circuit for storing the cooling liquid, and the drive means is located between the reservoir and the inlet of the condenser.

9. The cooking appliance according to any one of claims 1 to 3, wherein the lid comprises an inner lid, a steam passage is arranged on the inner lid, the steam passage is communicated with the anti-overflow valve through a communication pipeline, and the cooking cavity is communicated with the outside through the steam passage, the communication pipeline and the anti-overflow valve in sequence.

10. The cooking utensil as claimed in any one of claims 1 to 3, wherein the overflow prevention valve is flat, the upper end of the condenser is provided with a mounting groove, the overflow prevention valve is embedded in the mounting groove, the bottom wall of the overflow prevention valve is attached to the bottom wall of the mounting groove, and part of the side wall of the overflow prevention valve is attached to the inner side wall of the mounting groove.

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