CN210540742U - Vacuum cooking utensil - Google Patents

Abstract

The utility model provides a vacuum cooking utensil, including a kind of deep pot body and a kind of deep pot lid, a kind of deep pot lid closes and forms the culinary art chamber on a kind of deep pot body, a kind of deep pot is covered and is provided with air exhaust device, air exhaust device makes the culinary art intracavity form the negative pressure state through exhaust pipe and culinary art chamber intercommunication in order to bleed to the culinary art chamber, the exhaust pipe connects including being located the air exhaust that a kind of deep pot was covered to and be located the exhaust tube between air exhaust connector and the air exhaust device, the exhaust tube non-level sets up. The utility model discloses remaining comdenstion water in the exhaust line can effectively be reduced to reduce the noise of bleeding that produces when bleeding next time.

Description

Vacuum cooking utensil

Technical Field

The utility model belongs to the technical field of kitchen appliances, a small kitchen appliance, especially a vacuum cooking utensil is related to.

Background

A vacuum cooking utensil appears in the existing market, and its main operating principle is when the culinary art, takes out the gas of culinary art intracavity through the vacuum pump for cooking utensil culinary art chamber is in the negative pressure state, improves the speed of absorbing water and the effect of absorbing water of grain of rice, in order to reach the purpose that improves rice taste and reduce when culinary art. The vacuum pump generally adopts the exhaust tube to take gas out from the culinary art chamber as pipeline, during the culinary art, the culinary art intracavity contains more steam, and inevitable a large amount of steam that contain in the gas that the vacuum pump was taken out, when the end of bleeding, the comdenstion water that produces after the remaining steam condensation in the exhaust tube is attached to on the exhaust tube pipe wall, when bleeding next time, the comdenstion water of attaching to on the exhaust tube pipe wall can change the flow direction of air current to lead to great noise, influence user's use and experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a vacuum cooking appliance with smaller noise when in use.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a vacuum cooking utensil, includes a kind of deep pot body and a kind of deep pot lid, a kind of deep pot lid closes and forms the culinary art chamber on a kind of deep pot body, a kind of deep pot is covered and is provided with air exhaust device, air exhaust device leads to the culinary art intracavity to form the negative pressure state through exhaust pipe and culinary art chamber intercommunication in order to bleed to the culinary art chamber, the exhaust pipe is including being located the joint of bleeding that a kind of deep pot was covered to and be located the exhaust tube between joint of bleeding and the air exhaust device, the setting of exhaust tube.

Preferably, the height of the air inlet of the exhaust pipe is higher than that of the air outlet of the exhaust pipe so that the condensed water in the exhaust pipe flows back into the air extraction device.

Preferably, the height of the air outlet of the air exhaust pipe is higher than that of the air inlet of the air exhaust pipe, so that condensed water in the air exhaust pipe flows back to the air exhaust joint and flows back to the cooking cavity through the air exhaust joint.

Preferably, the cooker cover comprises a lining cover and an inner cover detachably mounted on the lining cover, a heating device is arranged on the lining cover, and the exhaust pipe is positioned above the heating device.

Preferably, one surface of the heating device heats the exhaust tube, and the other surface of the heating device heats the inner lid.

Preferably, the exhaust device further comprises an exhaust pipeline connected with the air extraction device to exhaust the gas or the condensed water extracted by the air extraction pipeline.

Preferably, the cooker body is provided with a water collecting part, and the exhaust pipeline is communicated with the water collecting part.

Preferably, an air inlet valve is arranged on the air suction joint.

Preferably, the suction device is a diaphragm pump.

Preferably, the cooking appliance is an electric cooker.

Compared with the prior art, the technical scheme of the utility model possess following technical advantage at least:

1. this vacuum cooking utensil, bleed to the culinary art chamber through air exhaust device and exhaust tube and so that the culinary art intracavity forms the negative pressure environment, effect and the speed of absorbing water when improving cooking utensil culinary art rice, wherein the non-level setting of exhaust tube makes the interior condensation of exhaust tube attach to the comdenstion water on the exhaust tube inner wall can flow back to the joint of bleeding or air exhaust device position department under self action of gravity, reduces the comdenstion water in the exhaust tube, noise when reducing and bleeding.

2. This vacuum cooking utensil's a kind of deep pot lid is covered including the lining and installs the inner cup on the lining, and the lining is covered and is provided with heating device, and the exhaust tube pastes and establishes on heating device, and heating device heats the effect in order to form the three-dimensional heating in culinary art chamber to the inner cup on the one hand, and heating device has the preheating effect to the exhaust tube on the other hand to improve the inside temperature of exhaust tube, reduce the precipitation of condensate water in the exhaust tube.

Drawings

Fig. 1 is a schematic view of the whole structure of the present invention.

Fig. 2 is a schematic structural view of the lining cover of the present invention.

Fig. 3 is a schematic structural view of the pot cover of the present invention.

Fig. 4 is a flow chart of the first embodiment of the present invention for extracting condensed water from the suction line.

Fig. 5 is a flow chart of the second embodiment of the present invention for extracting condensed water from the suction line.

In the figure, 10, a cooker cover; 11. a lining cover; 12. pressing a plate; 13. an air extraction joint; 14. an air exhaust pipe; 15. an air extraction device; 16. an exhaust line; 17. an inner cover; 18. a heating device; 19. and (4) heat insulation cotton.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

The utility model provides a vacuum cooking utensil, for example electric rice cooker to solve vacuum cooking utensil and getting into the vacuum state in-process, the too big problem that influences user experience of noise when the vacuum pump bleeds. The technical solution of the present invention is further explained by taking the electric cooker as an example through several embodiments.

Example one

Referring to fig. 1 to 4, fig. 1 to 4 show a first embodiment of the present invention, in this embodiment, the electric rice cooker includes a cooker body and a cooker cover 10 covering the cooker body, the cooker body has an inner container, and a cooking cavity is formed in the inner container after the cooker cover 10 and the cooker body cover are covered. The pot lid 10 is provided with an air-extracting device 15 such as a vacuum pump, a diaphragm pump, etc. The embodiment preferably adopts a diaphragm pump, and the cooker cover 10 is further provided with an air suction pipeline for sucking air, and the air suction pipeline comprises an air suction connector 13 fixed on the lining cover 11 and an air suction pipe 14 positioned between the air suction connector 13 and the air suction device 15. The cooking cavity is pumped through the diaphragm pump and the pumping pipeline, so that a negative pressure environment is formed in the cooking cavity. After the negative pressure environment is entered into the cooking cavity, when rice is cooked, the water absorption effect of rice grains can be improved, the water absorption speed of the rice grains is accelerated, so that the use time of the cooked rice is reduced, the taste of the rice is improved, when food materials are stored in the cooking cavity, the oxidation speed of the food materials can be reduced, and the heat preservation and fresh-keeping effects are improved.

When the air extractor 15 is used for extracting air, a large amount of steam is contained in the extracted air, and during the conveying process of the air extraction pipeline, the steam is condensed when encountering cold to form condensed water to be attached to the inner wall of the air extraction pipeline, and especially after the air extraction is finished, the residual air in the air extraction pipeline is in a static state, so that a large amount of generated condensed water is attached to the inner wall of the air extraction pipeline. Therefore, when air is extracted next time, the condensed water attached to the inner wall of the air extraction pipeline changes the flowing direction of the air flow, and generates larger noise.

In order to reduce the noise generated when the air extractor 15 extracts air, in this embodiment, an air inlet valve is disposed on the air extracting pipeline, and when extracting air, the air inlet valve is opened to communicate the air extractor 15 with the cooking cavity. After the cooking cavity enters a preset negative pressure state, the air inlet valve is closed, and at the moment, the air extracting device 15 continues to work so as to extract residual steam in the air extracting pipeline and condensed water attached to the pipe wall of the air extracting pipeline. Therefore, when air is exhausted next time, the condensed water on the air exhaust pipeline is greatly reduced, and the noise generated during air exhaust is well controlled.

It should be noted that, in the present embodiment, the air extracting device 15 may extract the steam and the condensed water remaining in the air extracting line at a plurality of time points after the cooking cavity enters the predetermined negative pressure state. For example, in some schemes, after the air intake valve is closed, the air extracting device 15 continues to extract air without stopping working until the extraction of the condensed water in the air extracting pipeline is completed; in other schemes, the air extracting device 15 can stop working for a period of time, and extract the condensed water in the air extracting pipeline after the steam in the air extracting pipeline condenses for a period of time, so that the extracting effect is better, and the residual condensed water in the air extracting pipeline is less.

In this embodiment, the preferred setting of admission valve is in the air inlet department of air exhaust pipe, and the air inlet setting of air exhaust pipe is in the junction of culinary art chamber and air exhaust pipe, with the admission valve setting in this position, makes things convenient for the dismouting of admission valve on the one hand, and on the other hand can maximize the air exhaust pipe length between admission valve and the air exhaust device 15 for when air exhaust device 15 extracts the comdenstion water to the air exhaust pipe in, the comdenstion water in the air exhaust pipe can be whole be taken out.

In this embodiment, the air inlet valve preferably adopts the solenoid valve, and the solenoid valve simple structure, corresponding fast, control is accurate.

The pot lid 10 includes a lining lid 11 and an inner lid 17 detachably mounted on the lining lid 11, and in this embodiment, an air extracting means 15 and an air extracting line are provided on the lining lid 11. The lining cover 11 is provided with a heating means 18 such as a heating plate formed of an electric heating wire. During cooking, heating device 18 heats the culinary art chamber by the top, and is specific heats inner cover 17 to form solid heating together with the heating portion of a kind of deep pot body bottom, make electric rice cooker's heating effect better. In this embodiment, the air pumping pipeline is attached to the upper side of the heating device 18, and when the heating device 18 heats, a preheating effect is formed on the air pumping pipeline, so that the temperature inside the air pumping pipeline is increased. So, the temperature in the exhaust tube is higher, and steam in the exhaust tube is difficult to condense in the exhaust tube and produces the comdenstion water, and air exhaust device 15 air bleed in-process, as long as take out the steam in the exhaust tube can, obviously, the degree of difficulty of taking out steam will be than the degree of difficulty of taking out the comdenstion water a lot of lowly, cooks the back, and remaining comdenstion water is still less in the exhaust tube, when bleeding next time, and the noise of production is littleer.

Further, in order to enable the air extraction pipeline to be better heated by the heating device 18, at least one pressing plate 12 used for limiting layout positions of the air extraction pipeline is further arranged on the lining cover 11, the air extraction pipeline is arranged above the heating device 18 in a pressing mode through the pressing plate 12, and therefore the air extraction pipeline can be enabled to have a plurality of position fixing points in the cooker cover 10 on the one hand, in the process of transportation and use, the air extraction pipeline cannot be displaced and replaced inside the cooker cover 10 to cause breakage of the air extraction pipeline or separation of the air extraction pipeline at a joint, on the other hand, the pressing plate 12 enables the air extraction pipeline to be close to or in contact with the heating device 18 all the time, and the preheating effect of the heating device 18 on.

Furthermore, considering that circuit components such as a display panel are provided above the lining cover 11, in order to prevent excessive heat generated by the heating device 18 from being transmitted to the upper side of the lining cover 11 and affecting the use of the circuit components, the lining cover 11 is provided with heat insulation cotton 19, and the heat insulation cotton 19 is arranged in a region above the heating device 18 and outside the air suction pipeline.

Furthermore, a heat tracing structure, such as a heat tracing layer, is arranged on the air extraction pipeline, and the heat tracing layer is wrapped on the periphery of the air extraction pipeline. When air is exhausted, the heat tracing layer generates heat to heat the exhaust pipeline, so that the temperature in the exhaust pipeline is increased, and condensate water separation is reduced. The heat tracing layer can be used as a heating source to improve the temperature inside the air extraction pipeline on one hand, and also has a certain sound insulation effect on the other hand, so that the noise in the air extraction process of the air extraction pipeline can be weakened.

In this embodiment, an exhaust pipe 16 is connected to the air extractor 15, and the steam and the condensed water extracted by the air extractor 15 are exhausted through the exhaust pipe 16. In order to facilitate the collection of condensed water, the cooker body is provided with a water collecting part, the exhaust pipeline 16 is communicated with the water collecting part, and the condensed water and the steam discharged by the exhaust pipeline 16 are introduced into the water collecting part. For example, the water collecting part may be a water collecting tank arranged on a middle ring of the pot body, an outlet of the exhaust pipeline 16 is arranged on the pot cover 10, an outlet of the exhaust pipeline 16 is positioned above the water collecting tank and corresponds to the water collecting tank, condensed water and steam enter the water collecting tank from the outlet of the exhaust pipeline 16, the residual part after the steam is condensed is discharged from a gap between the middle ring and the pot cover 10, and the condensed water is collected in the water collecting tank; for another example, the water collecting part may be a water collecting box located on the pot body, the exhaust duct 16 is communicated with the water collecting box, and the exhausted steam and condensed water directly enter the water collecting box.

Example two

Referring to fig. 5, fig. 5 shows a second embodiment of the present invention. The present embodiment differs from the first embodiment in that the air extraction device 15 extracts condensed water from the extraction line at different times. In this embodiment, before the air in the cooking cavity is extracted, the air extractor 15 extracts the condensed water attached to the inside of the extraction pipeline in a state where the air inlet valve is closed. After the extraction of adnexed comdenstion water finishes in the exhaust tube, open the admission valve, air exhaust device 15 extracts the gas of culinary art intracavity for form the negative pressure environment in the culinary art intracavity, accelerate the rice grain rate of absorbing water, perhaps improve electric rice cooker's the fresh-keeping effect that keeps warm.

In the embodiment, the air exhaust device 15 is used to extract the condensed water in the air exhaust pipeline under the condition that the air inlet valve is closed, so that when the air exhaust device 15 extracts the gas in the cooking cavity, the condensed water content in the air exhaust pipeline is very low, the air exhaust process is smoother, and the noise is low.

EXAMPLE III

The embodiment is a further improvement on the basis of the first embodiment and the second embodiment.

In this embodiment, the air extracting line includes an air extracting joint 13 on the pot cover 10, and an air extracting tube 14 between the air extracting joint 13 and the air extracting means 15.

Specifically, the air extraction joint 13 is fixedly arranged on the lining cover 11, the inner cover 17 is provided with an air extraction opening, when the inner cover 17 and the lining cover 11 are installed in place, the air extraction opening is in sealed butt joint with the air inlet end of the air extraction joint 13, the air extraction pipe 14 is connected between the air extraction joint 13 and the air extraction device 15, the air inlet valve is preferably arranged on the air extraction joint 13, and the opening or closing of the air extraction pipeline is controlled through the opening and closing of the air inlet valve.

In the present embodiment, the exhaust pipe 14 is disposed non-horizontally, and the non-horizontal disposition means that the installation and placement of the exhaust pipe 14 have a certain inclination. For example, in some cases, the height of the air inlet of the air exhaust tube 14 is higher than the height of the air outlet of the air exhaust tube 14, and the air exhaust tube 14 is actually inclined downwards from the direction of the air exhaust joint 13 to the direction of the air exhaust device 15, so that when condensed water is contained in the air exhaust tube 14, the condensed water can flow back to the air exhaust device 15 along the air exhaust tube 14 under the action of its own gravity, thereby reducing the condensed water remaining in the air exhaust tube 14. In other cases, the height of the air inlet of the air exhaust tube 14 may also be lower than the height of the air outlet of the air exhaust tube 14, and the air exhaust tube 14 actually inclines downwards from the direction of the air exhaust device 15 to the direction of the air exhaust joint 13, so that when condensed water is contained in the air exhaust tube 14, the condensed water can flow back to the air exhaust joint 13 along the air exhaust tube 14 under the action of its own gravity, and flow back to the cooking cavity through the air exhaust joint 13 from the air exhaust opening.

Preferably, in this embodiment, adopt the scheme that the comdenstion water flows back to in the air exhaust device 15, when the comdenstion water in the exhaust tube 14 is attached to the exhaust tube 14 inner wall, because there is the static friction between comdenstion water and the exhaust tube 14 inner wall, when the gravity of comdenstion water can't overcome the static friction, the comdenstion water can't form the backward flow under natural state, need extract the comdenstion water in the exhaust tube 14 through air exhaust device 15, when the air inlet height of exhaust tube 14 is high, when the gas outlet height is low, the direction of bleeding is the same with the motion trend under the comdenstion water natural state, can improve the effect of extraction comdenstion water, with the more thorough extraction of the com.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides a vacuum cooking utensil, includes a kind of deep pot body and a kind of deep pot lid, a kind of deep pot lid closes and forms the culinary art chamber on a kind of deep pot body, a kind of deep pot is covered and is provided with air exhaust device, air exhaust device leads to the culinary art intracavity to form the negative pressure state through exhaust pipe and culinary art chamber intercommunication in order to bleed to the culinary art chamber, its characterized in that, exhaust pipe is including being located the joint of bleeding that a kind of deep pot covered to and be located the exhaust tube between joint of bleeding and the air exhaust device, the exhaust tube non-level.

2. The vacuum cooking appliance according to claim 1, wherein the height of the air inlet of the air exhaust tube is higher than the height of the air outlet of the air exhaust tube so that the condensed water in the air exhaust tube flows back into the air exhaust device.

3. The vacuum cooking appliance according to claim 1, wherein the height of the air outlet of the air exhaust tube is higher than the height of the air inlet of the air exhaust tube so that the condensed water in the air exhaust tube flows back to the air exhaust joint and flows back to the cooking cavity through the air exhaust joint.

4. The vacuum cooking appliance of any one of claims 1, 2 or 3, wherein the pot cover comprises a lining cover and an inner cover detachably mounted on the lining cover, the lining cover is provided with a heating device, and the exhaust tube is positioned above the heating device.

5. The vacuum cooking appliance of claim 4, wherein one side of the heating means heats the extraction tube and the other side of the heating means heats the inner lid.

6. The vacuum cooking appliance according to any of the claims 1, 2 or 3, further comprising an exhaust line connected to the air extraction means for exhausting the air or condensed water extracted by the air extraction line.

7. The vacuum cooking appliance of claim 6, wherein the pot body is provided with a water collection portion, and the exhaust pipeline is communicated with the water collection portion.

8. The vacuum cooking appliance of claim 1, wherein an air inlet valve is provided on the suction connection.

9. The vacuum cooking appliance of claim 1, wherein the suction device is a diaphragm pump.

10. The vacuum cooking appliance of claim 1, wherein the cooking appliance is a rice cooker.

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