CN208259518U - Cooking apparatus - Google Patents

Abstract

The utility model discloses a kind of cooking apparatus, comprising: pot body, pot body have the open cooking cavity in top；Lid, lid are movably installed between open and closed positions to pot body, and lid has bleeding point and exhaust outlet；Supercharging device, supercharging device are located in pot body or lid；Exhaust apparatus, exhaust apparatus has first interface, second interface and third interface, first interface is connected to bleeding point, second interface is connected to supercharging device, third interface is connected to exhaust outlet, and exhaust apparatus is configured to form negative pressuren zone at first interface when supercharging device is opened will form negative pressure in cooking cavity.According to the cooking apparatus of the utility model embodiment, supercharging device from the coarse to fine, to accelerate the flow velocity of gas in exhaust apparatus, will make gas form negative pressuren zone at first interface by the air-flow of exhaust apparatus, to make to form negative pressure state in cooking cavity；Vacuum pump is eliminated, the cost of cooking apparatus is reduced, while avoiding the short problem of service life of vacuum pump.

Description

Cooking apparatus

Technical field

The utility model relates to living electric apparatus technical fields, more particularly, to a kind of cooking apparatus.

Background technique

The vacuum electrothermal pot of the relevant technologies, it is main that cooking cavity take out very by vacuum pump when realizing negative pressure state Sky, and then cooking efficiency is improved, but vacuum pump price is costly, can greatly increase the cost of electric cooker, and vacuum pump It works in the environment of electric cooker high temperature for a long time and is easy to happen damage, therefore there are rooms for improvement.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of cooking apparatus out, the cooking apparatus are at low cost.

According to the cooking apparatus of the utility model embodiment, comprising: pot body, the pot body have the open culinary art in top Chamber；Lid, the lid are movably installed between open and closed positions to the pot body, and the lid, which has, to be taken out Port and exhaust outlet；Supercharging device, the supercharging device are located in the pot body or the lid；Exhaust apparatus, the exhaust Device has first interface, second interface and third interface, and the first interface is connected to the bleeding point, the second interface It is connected to the supercharging device, the third interface is connected to the exhaust outlet, and the exhaust apparatus is configured in the increasing Negative pressuren zone is formed when pressure device is opened at the first interface negative pressure will be formed in the cooking cavity.

Make to increase by the way that the exhaust apparatus being connected to supercharging device is arranged according to the cooking apparatus of the utility model embodiment Pressure device from the coarse to fine, to accelerate the flow velocity of gas in exhaust apparatus, will connect gas first by the air-flow of exhaust apparatus Negative pressuren zone is formed at mouthful, to make to form negative pressure state in cooking cavity；Vacuum pump is eliminated, the cost of cooking apparatus is reduced, Simultaneously can be short to avoid service life of vacuum pump problem.

According to the cooking apparatus of the utility model embodiment, the exhaust apparatus have mixed air cavity, the first interface, The second interface and the third interface are connected to the mixed air cavity, the first interface be in the second interface with Between the third interface, and the cross sectional dimensions of the first interface is less than the cross sectional dimensions of the mixed air cavity.

According to the cooking apparatus of the utility model embodiment, inlet chamber, the inlet chamber are defined in the exhaust apparatus It is connected to the second interface and at least part of cross sectional dimensions is gradually reduced on the airintake direction of air-flow, the mixing Air cavity be greater than respectively with the cross sectional dimensions of the first interface and the third orifice and the mixed air cavity it is described into The cross sectional dimensions of air cavity.

Specifically, at least part of the inlet chamber protrudes into the mixed air cavity and the input end of the inlet chamber Size is greater than the size of the outlet end of the inlet chamber.

Optionally, the central axis of the first interface intersects and the first interface with the central axis of the inlet chamber The outlet end of the neighbouring inlet chamber is arranged.

Further, the exhaust apparatus also has a discharge chamber, the discharge chamber be connected to the third interface with it is described Between mixing chamber and at least part of cross sectional dimensions of the discharge chamber is gradually increased in the discharge directions of air-flow.

Specifically, the discharge chamber includes along the sequentially connected first air cavity section of discharge directions of air-flow and the second air cavity Section, the first air cavity section are connected to the mixed air cavity, the second air cavity section and the second air cavity section and the third Orifice, wherein the cross sectional dimensions of the first air cavity section is less than the cross of the second air cavity section and the mixed air cavity The cross sectional dimensions of sectional dimension, the second air cavity section is gradually increased in the discharge directions of air-flow.

According to the cooking apparatus of the utility model embodiment, at least part of the inlet chamber is formed in air-flow flowing The taper air cavity being gradually reduced on direction, from air inlet to exhaust radial dimension, at least part of the discharge chamber are formed in gas The taper air cavity being gradually increased on the direction of flowing, from air inlet to exhaust radial dimension.

According to the cooking apparatus of the utility model embodiment, the exhaust apparatus is Venturi tube.

According to the cooking apparatus of the utility model embodiment, the supercharging device is booster pump.

According to the cooking apparatus of the utility model embodiment, further includes: solenoid valve, the solenoid valve are connected to described first The on-off of the gas circuit between the first interface and the bleeding point is controlled between interface and the bleeding point.

Further, further includes: control system, the control system are logical with the supercharging device and the solenoid valve respectively It interrogates to control the opening and closing of the supercharging device and the solenoid valve respectively.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the structural schematic diagram according to the cooking apparatus of the utility model embodiment；

Fig. 2 is the enlarged drawing according to A structure in Fig. 1.

Appended drawing reference:

Cooking apparatus 100,

Pot body 10, cooking cavity 11,

Lid 20, bleeding point 21, exhaust outlet 22,

Supercharging device 30,

Exhaust apparatus 40, first interface 401, second interface 402, third interface 403, inlet chamber 41, input end 411, out Mouth end 412, mixed air cavity 42, discharge chamber 43, the first air cavity section 431, the second air cavity section 432,

Control system 50.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " length ", " width ", " thickness ", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " etc. refer to The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction And operation, therefore should not be understood as limiting the present invention.In addition, define " first ", the feature of " second " can be bright Show or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Below with reference to Fig. 1-Fig. 2 description according to the cooking apparatus 100 of the utility model embodiment.

It as Figure 1-Figure 2, include: pot body 10, lid according to the cooking apparatus 100 of the utility model one embodiment 20, supercharging device 30 and exhaust apparatus 40.

Pot body 10 limits upper surface (uper side surface as shown in Figure 1) open cooking cavity 11.Lid 20 is connected to pot On body 10, and it is movable between a closed position and a open position, to close or open the upper end opening of cooking cavity 11.Lid There is bleeding point 21 and exhaust outlet 22 on 20.Supercharging device 30 can be set in pot body 10, also can be set in lid 20.

There is first interface 401, second interface 402 and third interface 403, first interface 401 and lid on exhaust apparatus 40 Bleeding point 21 on body 20 is connected, and second interface 402 is connected with supercharging device 30, on third interface 403 and lid 20 Exhaust outlet 22 is connected, and exhaust apparatus 40 is configured to following state: when supercharging device 30 open when at first interface 401 shape At negative pressuren zone, the gas in cooking cavity 11 is drawn into exhaust apparatus 40 and the third interface 403 by being connected to exhaust outlet 22 It is discharged into the external world, thus by negative pressure is formed in cooking cavity 11.

According to the cooking apparatus 100 of the utility model embodiment, by the way that the exhaust apparatus being connected to supercharging device 30 is arranged 40, make supercharging device 30 will from the coarse to fine, to accelerate the flow velocity of gas in exhaust apparatus 40, by the air-flow of exhaust apparatus 40 Gas forms negative pressuren zone at first interface 401, to make to form negative pressure state in cooking cavity 11；Vacuum pump is eliminated, is reduced The cost of cooking apparatus 11, while problem that can be short to avoid service life of vacuum pump.

One embodiment according to the present utility model, has mixed air cavity 42 in exhaust apparatus 40, first interface 401, the Two interfaces 402 and third interface 403 are connected to mixed air cavity 42, and first interface 401 is in second interface 402 and third interface Between 403, and the cross sectional dimensions of first interface 401 is less than the cross sectional dimensions of mixed air cavity 42.

As shown in Fig. 2, one embodiment according to the present utility model, inlet chamber 41, air inlet are defined in exhaust apparatus 40 Chamber 41 is connected to second interface 402, and the airintake direction (as shown in Figure 2 from right to left) of the air-flow in exhaust apparatus 40, It is gradually reduced on at least part of cross sectional dimensions of inlet chamber 41.Mixed air cavity 42 is connected to inlet chamber 41 and connects far from second Mouthful 402 sides, mixed air cavity 42 are connected to first interface 401 and third interface 403 respectively, wherein mixed air cavity 42 it is transversal Face size is greater than the cross sectional dimensions of inlet chamber 41, so that supercharging device 30 blows air into inlet chamber by second interface 402 41, due to the variation of 41 sectional dimension of inlet chamber, make by inlet chamber 41 air-flow from the coarse to fine, to accelerate in inlet chamber 41 The flow velocity of gas, to form negative pressuren zone in inlet chamber 41 and 42 junction of mixed air cavity.

As shown in Fig. 2, in some instances, a part of inlet chamber 41 protrudes into mixed air cavity 42, inlet chamber 41 into The size at mouthful end 411 is greater than the size of the outlet end 412 of inlet chamber 41, i.e., 40 airflow direction of exhaust apparatus be from right to left, into 41 cross sectional dimensions of air cavity being gradually reduced from right to left.The structure of inlet chamber 41 is simple as a result, protrudes into mixing in inlet chamber 41 Negative pressuren zone is formed backwards to 41 side of inlet chamber in air cavity 42.

Certainly, inlet chamber 41 can also all be extend into mixed air cavity 42, i.e., be arranged inside mixed air cavity 42 transversal The inlet chamber 41 that face size is gradually reduced keeps structure simpler, just so as to reduce the occupied space of exhaust apparatus 40 In installation.

In some specific examples, the central axis of first interface 401 intersects with the central axis of inlet chamber 41, and the One interface 401 is positioned adjacent at the outlet end 412 of inlet chamber 41.Since the radial dimension of the outlet end 412 of inlet chamber 41 is small Gas flow rate in the radial dimension of input end 411, therefore at the outlet end 412 of inlet chamber 41 is high, thus in outlet end 412 Rear side air pressure is minimum, in order to form negative pressure state in cooking cavity 11.

In some instances, also there is discharge chamber 43, discharge chamber 43 is connected to third interface 403 and mixes in exhaust apparatus 40 It closing between air cavity 42, wherein at least part of cross sectional dimensions of discharge chamber 43 is gradually increased in the discharge directions of air-flow, Gas in cooking cavity 11 is inhaled into mixed air cavity 42, is discharged into the external world by discharge chamber 43.

As shown in Fig. 2, discharge chamber 43 includes the first air cavity section 431 and the second air cavity section in some specific examples 432, the first air cavity section 431 and the second air cavity section 432 are sequentially connected along the discharge directions of 40 interior air-flow of exhaust apparatus, the first air cavity Section 431 is directly connected to mixed air cavity 42, and 432 one end of the second air cavity section is connected to the first air cavity section 431, the second air cavity section 432 The other end be connected to third interface 403.

Wherein, cross section ruler of the cross sectional dimensions of the first air cavity section 431 less than the second air cavity section 432 and mixed air cavity 42 Very little, the cross sectional dimensions of the second air cavity section 432 is gradually increased in the discharge directions of air-flow, to accelerate the discharge speed of air-flow Rate.

According to one specific embodiment of the utility model, the section of inlet chamber 41 and discharge chamber 43 forms circle, that is, exists On the direction of air-flow flowing, at least part of inlet chamber 41 is formed on from air inlet to discharge directions, radial dimension is gradually reduced Taper air cavity, the taper that at least part of discharge chamber 43 is formed on from air inlet to discharge directions, radial dimension is gradually increased Air cavity, taper air cavity structure is simple, easy to process, and the inner wall of taper air cavity is smooth, small to the resistance of gas, thus into one Step accelerates the flow velocity of gas in inlet chamber 41, while quickly can gradually increase the gas in mixed air cavity 42 by radial dimension Big taper discharge chamber 43 is discharged into the external world.

According to one specific embodiment of the utility model, exhaust apparatus 40 can be Venturi tube.Directly adopt literary mound In manage, without individually processing, production, be conducive to improve production efficiency, also, venturi tube structure is simple, inside Venturi tube Diffuser gas flow rate can be made gradually to slow down, turbulivity is low, and the pressure loss is small, and stability is high, so as to faster, More steadily make to form negative pressure in cooking cavity 11.

According to one specific embodiment of the utility model, supercharging device 30 is booster pump.Booster pump can by gas compared with It is discharged, i.e., gas is discharged at the second interface 402 of exhaust apparatus 40 from the gas vent of booster pump fastly, increased in inlet chamber 41 The flow velocity of gas；Booster pump can not need power supply and support work simultaneously, and when reaching the pressure of setting, booster pump is without additional Energy consumption reduces the consuming of the energy.

It further include solenoid valve (not shown), solenoid valve in cooking apparatus 100 according to the utility model one embodiment It is connected between the first interface 401 of exhaust apparatus 40 and bleeding point 21, for controlling between first interface 401 and bleeding point 21 Gas circuit on-off.

When supercharging device 30 is started to work, solenoid valve is opened, and is connected to first interface 401 with bleeding point 21, pressurization dress 30 are set by the inlet chamber 41 of gas input exhaust apparatus 40, negative pressuren zone is formed at the outlet end of inlet chamber 41 412, that is, is being evacuated Negative pressure is formed at mouth 21, to being discharged the gas in cooking cavity 11 to form negative pressure in cooking cavity 11；When supercharging device 30 When stopping working, solenoid valve is closed, and will form sealing state in cooking cavity 11.

It in some instances, further include control system 50 in cooking apparatus 100, control system 50 is arranged in pot body 10, Month 11 arranged for interval of cooking cavity, control system 50 can communicate respectively with supercharging device 30 and solenoid valve, thus to supercharging device 30 working condition and the opening and closing of solenoid valve are controlled.

It describes below with reference to Fig. 1 and Fig. 2 according to one specific embodiment of the utility model, cooking apparatus 100 here It can be electric cooker, electric pressure cooking saucepan or electric cooking pot etc..

Cooking apparatus 100 includes: pot body 10, lid 20, solenoid valve, supercharging device 30 and exhaust apparatus 40.

Pot body 10 limits the open cooking cavity 11 in upper surface.Lid 20 is connected in pot body 10, is had on lid 20 and is taken out Port 21 and exhaust outlet 22.Supercharging device 30 and exhaust apparatus 40 are arranged in lid 20.Supercharging device 30 is booster pump.

There is first interface 401, second interface 402 and third interface 403, first interface 401 and lid on exhaust apparatus 40 Bleeding point 21 on body 20 is connected, and solenoid valve is connected between the first interface 401 of exhaust apparatus 40 and bleeding point 21.

Exhaust apparatus 40 includes inlet chamber 41, mixed air cavity 42 and discharge chamber 43.40 airflow direction of exhaust apparatus is from the right side To a left side, the gradually smaller taper air cavity of cross sectional dimensions, the left part of inlet chamber 41 protrude into the formation of inlet chamber 41 from right to left In mixed air cavity 42；Mixed air cavity 42 forms the column air cavity that cross sectional dimensions is greater than inlet chamber 41；Discharge chamber 43 includes first Air cavity section 431 and the second air cavity section 432, the cross sectional dimensions of the first air cavity section 431 are less than the cross sectional dimensions of mixed air cavity 42, The right side of first air cavity section 431 is connected to by an end toper air cavity with mixed air cavity 42, the left side and second of the first air cavity section 431 Air cavity section 432, the second air cavity section 432 form the taper air cavity that cross sectional dimensions becomes larger from right to left.

Wherein, the setting of first interface 401 is in 42 downside of mixed air cavity, the left part of neighbouring inlet chamber 41；Second interface 402 The right end of inlet chamber 41 is set, can be connect by connecting tube with supercharging device 30；Third interface 403 is arranged in the second air cavity The left end of section 432, can be connect by connecting tube with the exhaust outlet 22 on lid 20.

When needing to vacuumizing in cooking cavity 11, solenoid valve is opened, and supercharging device 30 is started to work, first interface 401 Be connected to bleeding point 21, supercharging device 30 by gas input inlet chamber 41, since 41 sectional dimension of inlet chamber gradually becomes smaller, make through The air-flow for crossing inlet chamber 41 from the coarse to fine, to accelerate the flow velocity of gas in inlet chamber 41, drives gas stream in mixed air cavity 42 It is dynamic, to form negative pressuren zone in inlet chamber 41 and 42 junction of mixed air cavity, i.e., negative pressure is formed at bleeding point 21, and then drive Gas in cooking cavity 11 sucks in mixed air cavity 42, then is discharged into outside by the first air cavity section 431 and the second air cavity section 432 Boundary, thus by negative pressure state is formed in cooking cavity 11.

When stopping vacuumizing, solenoid valve is closed, and when supercharging device 30 stops working, negative pressure shape is maintained in cooking cavity 11 State.

According to other compositions of the cooking apparatus 100 of the utility model embodiment and operate for ordinary skill All be for personnel it is known, be not detailed herein.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (12)

1. a kind of cooking apparatus characterized by comprising

Pot body, the pot body have the open cooking cavity in top；

Lid, the lid are movably installed between open and closed positions to the pot body, and the lid has Bleeding point and exhaust outlet；

Supercharging device, the supercharging device are located in the pot body or the lid；

Exhaust apparatus, the exhaust apparatus have first interface, second interface and third interface, the first interface and the pumping Port connection, the second interface are connected to the supercharging device, and the third interface is connected to the exhaust outlet, the exhaust Device is configured to form negative pressuren zone at the first interface when the supercharging device is opened with by shape in the cooking cavity At negative pressure.

2. cooking apparatus according to claim 1, which is characterized in that the exhaust apparatus has a mixed air cavity, and described the One interface, the second interface and the third interface are connected to the mixed air cavity, and the first interface is in described the Between two interfaces and the third interface, and the cross sectional dimensions of the first interface is less than the cross section ruler of the mixed air cavity It is very little.

3. cooking apparatus according to claim 2, which is characterized in that inlet chamber is defined in the exhaust apparatus, it is described Inlet chamber is connected to the second interface and at least part of cross sectional dimensions is gradually reduced on the airintake direction of air-flow, institute Cross sectional dimensions of the mixed air cavity respectively with the first interface and the third orifice and the mixed air cavity is stated to be greater than The cross sectional dimensions of the inlet chamber.

4. cooking apparatus according to claim 3, which is characterized in that at least part of the inlet chamber protrudes into described mixed It closes in air cavity and the size of the input end of the inlet chamber is greater than the size of the outlet end of the inlet chamber.

5. cooking apparatus according to claim 3, which is characterized in that the central axis of the first interface and the air inlet The central axis of chamber intersects and the first interface is arranged adjacent to the outlet end of the inlet chamber.

6. cooking apparatus according to claim 3, which is characterized in that the exhaust apparatus also has discharge chamber, the row Air cavity is connected between the third interface and the mixed air cavity and at least part of cross sectional dimensions of the discharge chamber It is gradually increased in the discharge directions of air-flow.

7. cooking apparatus according to claim 6, which is characterized in that the discharge chamber include along air-flow discharge directions according to The the first air cavity section and the second air cavity section of secondary connection, the first air cavity section are connected to the mixed air cavity, second air cavity Section and the first air cavity section and the third orifice,

Wherein, the cross sectional dimensions of the first air cavity section is less than the cross section ruler of the second air cavity section and the mixed air cavity Very little, the cross sectional dimensions of the second air cavity section is gradually increased in the discharge directions of air-flow.

8. cooking apparatus according to claim 6, which is characterized in that at least part of the inlet chamber is formed in air-flow The taper air cavity being gradually reduced on the direction of flowing, from air inlet to exhaust radial dimension, at least part shape of the discharge chamber At the taper air cavity being gradually increased on the direction that air-flow flows, from air inlet to exhaust radial dimension.

9. cooking apparatus according to claim 1, which is characterized in that the exhaust apparatus is Venturi tube.

10. cooking apparatus according to claim 1, which is characterized in that the supercharging device is booster pump.

11. cooking apparatus according to claim 1 to 10, which is characterized in that further include: solenoid valve, the electricity Magnet valve is connected to the gas controlled between the first interface and the bleeding point between the first interface and the bleeding point The on-off on road.

12. cooking apparatus according to claim 11, which is characterized in that further include: control system, the control system point It does not communicate with the supercharging device and the solenoid valve to control the opening and closing of the supercharging device and the solenoid valve respectively.