CN110432787B - Lid and have its cooking utensil - Google Patents
Lid and have its cooking utensil Download PDFInfo
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- CN110432787B CN110432787B CN201910740153.2A CN201910740153A CN110432787B CN 110432787 B CN110432787 B CN 110432787B CN 201910740153 A CN201910740153 A CN 201910740153A CN 110432787 B CN110432787 B CN 110432787B
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- 238000010411 cooking Methods 0.000 title claims abstract description 132
- 230000009471 action Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 60
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 3
- 241000209094 Oryza Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 241000467686 Eschscholzia lobbii Species 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to a cover and a cooking utensil, comprising: the inner cover is covered above the cooking main body in the cooking appliance, a cooking space is defined between the inner cover and the cooking main body, and an air port communicated with the cooking space is formed in the inner cover in a penetrating way; the air pressure indicating piece is movably connected to the inner cover and can move relative to the inner cover under the action of pressure difference between the cooking space and atmospheric pressure; the cover body further comprises an air pressure adjusting device, and when the air pressure indicating piece is located at a preset position relative to the inner cover, the air pressure adjusting device changes the flow direction of air flow in the air port and controls the pressure in the cooking space to be within a preset pressure range. When atmospheric pressure indicator is in when predetermineeing the position for the inner cup, the pressure in the culinary art space was too high or low excessively this moment, changes the flow direction of air current in the gas port through atmospheric pressure adjusting device to the pressure that makes in the culinary art space is in predetermineeing the pressure range, carries out effectual management and control with the assurance to culinary art space internal pressure.
Description
Technical Field
The invention relates to the technical field of cooking appliances, in particular to a cover body and a cooking appliance with the same.
Background
With the development and scientific progress of the society, people are pursuing quality of life more and more, and cooking utensils such as electric rice cookers and electric frying pans are widely applied to daily life of people and become indispensable tools in life of people.
The electric cooker mainly comprises a cooking main body, a cover body, a control device and the like, wherein the cover body is covered on the cooking main body and defines a cooking space with the cooking main body, the control device controls the electric cooker to carry out operation modes such as cooking, heat preservation and the like, and the operation modes can be displayed on a display panel of the electric cooker.
Traditional electric rice cooker can't carry out effectual management and control to culinary art space internal gas pressure to can lead to the food look fragrant smell effect of boiling out relatively poor.
Disclosure of Invention
Therefore, it is necessary to provide a cover body capable of effectively controlling the air pressure in the cooking space and a cooking appliance having the same, in order to solve the problem that the conventional electric rice cooker cannot effectively control the air pressure in the cooking space.
A cover for a cooking appliance, comprising:
the inner cover is arranged above the cooking main body in the cooking appliance in a covering mode, a cooking space is defined between the inner cover and the cooking main body, and an air port communicated with the cooking space is formed in the inner cover in a penetrating mode;
the air pressure indicator is movably connected to the inner cover and can move relative to the inner cover under the action of the pressure difference between the cooking space and the atmospheric pressure;
when the air pressure indicating piece is located at a preset position relative to the inner cover, the air pressure adjusting device changes the flow direction of air flow in the air port and controls the pressure in the cooking space to be within a preset pressure range.
In one embodiment, the cover body further comprises a transmission member fixedly connected with the inner cover and positioned on a moving path of the air pressure indicator;
when the air pressure indicating piece is located at the preset position relative to the inner cover, the transmission piece generates a switching signal, and the air pressure adjusting device changes the flow direction of air flow in the air port.
In one embodiment, the transmission member is a trigger member, and when the air pressure indicating member is located at the preset position relative to the inner cover, the trigger member is triggered by the air pressure indicating member and generates the switching signal.
In one embodiment, the transmission element is an elastic conductive element, and when the air pressure indicating element is located at the preset position relative to the inner cover, the elastic conductive element reaches a preset deformation amount and generates the switching signal.
In one embodiment, the transmission member is arranged on one side of the inner cover, which faces away from the cooking space;
the inner cup is followed run through in the moving direction of atmospheric pressure indicator has seted up the guiding hole, atmospheric pressure indicator is movable and sealed wear to locate in the guiding hole and just right the transmission sets up.
In one embodiment, the air port has an air intake state in which air flows from the outside to the inside of the cooking space and a closed state in which air flow is interrupted between the outside and the cooking space; or
The air port has an air intake state in which an air flow flows from the outside into the cooking space and an air release state in which an air flow flows from the cooking space to the outside; or
The air port has an air inflow state in which an air flow flows from the outside into the cooking space, a closed state in which the air flow is interrupted between the outside and the cooking space, and an air leakage state in which the air flow flows from the cooking space to the outside.
In one embodiment, the preset positions include a first preset position, and when the air pressure indicator is in the first preset position relative to the inner cover, the air pressure regulating device switches the air port from the air-escape state to the air-intake state or from the air-off state to the air-intake state;
and/or the preset position comprises a second preset position, and when the air pressure indicating piece is located at the second preset position relative to the inner cover, the air pressure adjusting device enables the air port to be switched from the air leakage state to the closed state, or from the closed state or the air leakage state to the air inlet state.
In one embodiment, the air port has an air inlet state and a closed state, the air pressure adjusting device comprises an air discharging mechanism and an air pump communicated with the outside, and the air discharging mechanism is connected between the air pump and the air port in a matching manner;
in the air inlet state, the air exhaust mechanism opens air communication between the air pump and the air port, and the air pump pumps outside air flow into the cooking space;
in the closed state, the air discharge mechanism cuts off the air communication between the air pump and the air port.
In one embodiment, the ports have an intake state and a discharge state,
the air pressure adjusting device comprises an exhaust mechanism, an air release mechanism and an air pump communicated with the outside, the exhaust mechanism is connected between the air pump and the air port in a matching manner, and the air release mechanism is connected between the air port and the outside in a matching manner;
in the air inlet state, the air exhaust mechanism opens the air communication between the air pump and the air port, the air release mechanism cuts off the air communication between the air port and the outside, and the air pump pumps outside air flow into the cooking space;
run flat, exhaust mechanism cuts the air pump with gas intercommunication between the gas port, run flat the mechanism and open gas intercommunication between gas port and the external world is located gas in the culinary art space is followed run flat the mechanism flow direction is external.
In one embodiment, the gas port further has the closed state in which the air discharge mechanism blocks the air communication between the air pump and the gas port, and the air release mechanism blocks the air communication between the gas port and the outside.
In one embodiment, the cover body further comprises a resetting piece, the resetting piece is assembled on the inner cover, and the resetting piece is connected with the air pressure indicating piece and used for resetting the air pressure indicating piece.
A cooking utensil comprises a cooking main body and a cover body as described in any one of the above, the cover body is arranged on the cooking main body, and a cooking space is defined between the cover body and the cooking main body.
Above-mentioned lid and cooking utensil, when the atmospheric pressure indicator is in when predetermineeing the position for the inner cup, the pressure in the culinary art space was too high or low excessively this moment, changes the flow direction of air current in the gas port through air pressure adjusting device to make the pressure in the culinary art space be in predetermineeing the pressure range, carry out effectual management and control with the assurance to the culinary art space internal pressure.
Drawings
Fig. 1 is a structural view of a cooking appliance according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of the cooking appliance shown in FIG. 1 at A;
fig. 3 is a structural view of a cooking appliance according to a second embodiment of the present invention;
fig. 4 is an enlarged view of the cooking appliance shown in fig. 3 at B.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a cooking appliance 100, which includes a cooking main body 10 and a cover 20, wherein the cover 20 is disposed on the cooking main body 10 and defines a cooking space 30 with the cooking main body 10. Specifically, the cooking apparatus 100 may be an electric cooker, or may be other types of cooking apparatuses 100, such as an electric steamer, and is not limited herein.
The technical solution of the present invention will be described in detail below by taking an electric rice cooker as an example. The present embodiment is merely exemplary and does not limit the technical scope of the present invention. In addition, the drawings in the embodiments omit unnecessary components and clearly show the technical features of the invention.
Referring to fig. 1 and 2, the cover 20 includes an inner cover 21, the inner cover 21 is disposed on the cooking body 10 and defines the cooking space 30 with the cooking body 10, and the inner cover 21 is opened with a vent 211 communicating with the cooking space 30, so that external air can enter the cooking space 30 through the vent 211, and air in the cooking space 30 can flow to the outside through the vent 211.
Referring to fig. 1 and 2, the cover body 20 further includes a gas pressure indicator 22, the gas pressure indicator 22 is movably connected to the inner cover 21, and the gas pressure indicator 22 is movable relative to the inner cover 21 in a direction away from the cooking space 30 under the action of a pressure difference between the cooking space 30 and the atmospheric pressure, so that the position of the gas pressure indicator 22 relative to the inner cover 21 is changed according to the change of the gas pressure in the cooking space 30.
The cover body 20 further includes an air pressure adjusting device, when the air pressure indicating member 22 is located at a preset position relative to the inner cover 21, the air pressure adjusting device changes the flow direction of the air flow in the air port 211, that is, when the air pressure indicating member 22 is located at a preset position relative to the inner cover 21, the pressure in the cooking space 30 is too high or too low at this time, the air pressure adjusting device changes the flow direction of the air flow in the air port 211, so that the pressure in the cooking space 30 is located in a preset pressure range, and the pressure in the cooking space 30 is effectively controlled.
It should be noted that the preset position is set as required, and when the pressure in the cooking space 30 is within the preset pressure range, the position of the air pressure indicator 22 relative to the inner cover 21 is an equilibrium position, and the preset position is a position beyond the equilibrium position.
In one embodiment, the ports 211 have an intake state and a closed state. In the air input state, the air flows from the outside to the inside of the cooking space 30 through the air inlet 211; in the closed state, the air flow is intercepted between the outside and the cooking space, i.e., the air flow cannot flow from the outside into the cooking space 30 through the air port 211, nor from the cooking space 30 to the outside through the air port 211. When the air pressure indicator 22 is in a preset position with respect to the inner cover 21, the air port 211 can be switched between the air intake state and the closed state by the air pressure adjusting means.
In another embodiment, the ports 211 have an intake state and an exhaust state. In the air release state, the air flows from the cooking space 30 to the outside through the air port 211. The air port 211 is switchable between an air-intake state and an air-discharge state by the air pressure adjusting means when the air pressure indicator 22 is in a preset position with respect to the inner lid 21.
It will be appreciated that in other embodiments, the ports 211 may also have an intake state, a closed state, and a discharge state. When the air pressure indicator 22 is in a preset position relative to the inner cover 21, the air port 211 can be switched between an air intake state and a closed state, or between an air intake state and an air discharge state, or between the closed state and the air discharge state by the air pressure adjusting device, which is not limited herein.
In one embodiment, the preset positions include a first preset position, when the air pressure indicator 22 is in the first preset position relative to the inner cover 21, the air port 211 is switched from the air intake state to the air discharge state or the closed state, or from the closed state to the air discharge state, that is, when the air pressure indicator 22 is in the first preset position relative to the inner cover 21, the pressure in the cooking space 30 is relatively large, and the state of the air port 211 needs to be changed so that the pressure in the cooking space 30 is within the preset pressure range. When the initial state is the air intake state, the air intake state needs to be switched to the air discharge state or the closing state; when the initial state is the closed state, the closed state needs to be switched to the air leakage state.
Further, the preset positions include a second preset position, in the thickness direction of the inner cover 21 (when the electric cooker is placed on the horizontal table surface, the height direction of the electric cooker), the second preset position is lower than the first preset position, when the air pressure indicating member 22 is at the second preset position relative to the inner cover 21, the air port 211 is switched from the air-out state to the closed state, or from the closed state or the air-out state to the air-in state, that is, when the air pressure indicating member 22 is at the second preset position relative to the inner cover 21, the pressure in the cooking space 30 is small, and at this time, the state of the air port 211 needs to be changed, so that the pressure in the cooking space 30 is within the preset pressure range. When the initial state is the air leakage state, the air leakage state needs to be switched to a closing state or an air inlet state; when the initial state is the closed state, it is necessary to switch from the closed state to the intake state at this time.
It is understood that in other embodiments, the preset position may only have the first preset position, so as to ensure that the pressure in the cooking space 30 is not too high; the preset position may only have the second preset position, which may ensure that the pressure in the cooking space 30 is not too low, and is not limited herein.
Referring to fig. 2, in one embodiment, the cover body 20 further includes a transmission member 23, the transmission member 23 is fixedly connected to the inner cover 21, when the air pressure indicator 22 is at a predetermined position relative to the inner cover 21, the transmission member 23 generates a switching signal, and the air pressure adjusting device changes the flow direction of the air flow in the air port 211. Specifically, the electric rice cooker further comprises a controller, the transmission piece 23 is electrically connected with the controller, and when the transmission piece 23 generates a switching signal, the controller receives the switching signal and controls the air pressure adjusting device to change the flow direction of the air flow in the air port 211.
It is understood that in other embodiments, the cover 20 may omit the transmission member 23, such as providing a graduation mark on the air pressure indicator 22, and the position of the air pressure indicator 22 relative to the inner cover 21 is determined by manually observing the graduation mark, so as to control the air pressure adjusting device to change the flow direction of the air flow in the air port 211.
Specifically, the transmission member 23 is coupled to a side of the inner cover 21 away from the cooking space 30, the inner cover 21 is provided with a guide hole 212 (see fig. 2) communicating with the cooking space 30 in the moving direction of the air pressure indicator 22, and the air pressure indicator 22 is movably and hermetically disposed in the guide hole 212 and disposed opposite to the transmission member 23. That is, the air pressure indicator 22 is movable in the guide hole 212 in a direction away from the cooking space 30 by the air pressure in the cooking space 30, and the guide hole 212 functions to guide the air pressure indicator 22.
Specifically, the inner wall of the guiding hole 212 near one end of the cooking space 30 has a limiting portion 213, and one end of the air pressure indicator 22 away from the transmission member 23 is limited at the limiting portion 213. The air pressure indicator 22 can be prevented from being separated from the inner lid 21 by the gravity by the provision of the stopper portion 213.
The technical scheme of the present application is introduced below by specific examples:
first embodiment (see fig. 1 and 2):
the air port 211 has an intake state and a closed state, and the preset position has a first preset position, and when the air pressure indicator 22 is in the first preset position with respect to the inner cover 21, the air pressure adjusting means changes the flow direction of the air flow in the air port even if the air port 211 is switched from the intake state to the closed state.
The transmission member 23 is a trigger member, and when the air pressure indicating member 22 is at a first preset position relative to the inner cover 21, the trigger member is triggered by the air pressure indicating member 22 and generates a first switching signal, and the air pressure adjusting device switches the air port 211 from an air intake state to a closed state.
Specifically, the trigger is an inductive switch, during cooking, the air port 211 is in an air intake state, external air enters the cooking space 30 through the air port 211, the pressure in the cooking space 30 rises, when the pressure in the cooking space 30 reaches a certain value, the air pressure indicating member 22 moves towards the direction close to the inductive switch along the guide hole 212 under the action of the pressure difference between the cooking space 30 and the atmospheric pressure, when the air pressure indicating member 22 is in a first preset position relative to the inner cover 21, the air pressure indicating member 22 contacts the inductive switch, at this time, the inductive switch is turned on or off and generates a first switching signal, the controller receives the first switching signal and controls the air pressure adjusting device to switch the air port 211 from the air intake state to the off state, and accordingly, the pressure in the cooking space 30 is not excessively high.
Specifically, the cover body 20 further includes a reset piece 24, the reset piece 24 is assembled on the inner cover 21, and the reset piece 24 is connected with the air pressure indicating piece 22 for resetting the air pressure indicating piece 22. After cooking, the air pressure indicator 22 is reset by the reset member 24 and the self-weight, and is limited by the limit portion 213. It is understood that in other embodiments, the resetting member 24 may be omitted, and the air pressure indicator 22 may be reset under the action of its own weight and is limited by the limiting portion 213, which is not limited herein.
It is understood that, in other embodiments, the triggering member is not limited to a sensing switch, and the triggering member may also be a photoelectric switch, an infrared switch, and the like, which is not limited herein.
In this embodiment, the air pressure adjusting device includes an air discharging mechanism 26 and an air pump 25 communicated with the outside, and the air discharging mechanism 26 is coupled between the air pump 25 and the air port 211. In the air intake state, the air discharge mechanism 26 opens the air communication between the air pump 25 and the air port 211, and the air pump 25 pumps the external air into the cooking space 30; in the closed state, the air discharge mechanism 26 blocks the air communication between the air pump 25 and the air port 211, and at this time, the external air cannot enter the cooking space 30.
Specifically, the exhaust mechanism 26 includes an exhaust pipe 261 and a one-way sealing valve 262, the exhaust pipe 261 is coupled between the air pump 25 and the air port 211, and the one-way sealing valve 262 is fitted on the exhaust pipe 261. The provision of the one-way sealing valve 262 ensures that gas flowing from the exhaust pipe 261 into the gas port 211 does not flow back into the exhaust pipe 261.
In this embodiment, the cover body 20 further includes a surface cover 28, the surface cover 28 is disposed on a side of the inner cover 21 away from the cooking space 30, and the air pump 25, the air discharging mechanism 26 and the inductive switch are all clamped between the surface cover 28 and the inner cover 21. Specifically, in order to facilitate the air pump 25 to communicate with the outside, the cover 20 further includes a conduction pipe 29, one end of the conduction pipe 29 communicates with the air pump 25, and the other end of the conduction pipe 29 communicates with the outside through the face cover 28.
Second embodiment (see fig. 3 and 4):
the air port 211 has an air intake state and an air discharge state, the preset positions include a first preset position and a second preset position, when the air pressure indicating member 22 is in the first preset position relative to the inner cover 21, the air pressure adjusting device changes the flow direction of the air flow in the air port, even if the air port 211 is switched to the air discharge state from the air intake state, when the air pressure indicating member 22 is in the second preset position relative to the inner cover 21, the air pressure adjusting device changes the flow direction of the air flow in the air port, even if the air port 211 is switched to the air intake state from the air discharge state.
The transmission element 22 is an elastic conductive element, when the air pressure indicating element 22 is at a first preset position relative to the inner cover 21, the air pressure indicating element 22 causes the elastic conductive element to reach a first preset deformation amount, at this time, the elastic conductive element generates a first switching signal, and the controller receives the first switching signal and controls the air pressure adjusting device to switch the air port 211 from an air inlet state to an air outlet state; when the air pressure indicating member 22 is at the second predetermined position relative to the inner cover 21, the air pressure indicating member 22 causes the elastic conductive member to reach the second predetermined deformation amount, and at this time, the elastic conductive member generates the second switching signal, and the controller receives the second switching signal and controls the air pressure adjusting device to switch the air port 211 from the air bleeding state to the air bleeding state.
During cooking, under the action of the pressure difference between the cooking space 30 and the atmospheric pressure, the air pressure indicating member 22 pushes the elastic conductive member upwards along the guide hole 212, the elastic conductive member is elastically deformed, the controller determines the air pressure value in the cooking space 30 according to the elastic deformation of the elastic conductive member, when the air pressure indicating member 22 is at a first preset position relative to the inner cover 21, the air pressure indicating member 22 prompts the elastic conductive member to generate a first preset deformation, the elastic conductive member generates a first switching signal, and the controller receives the first switching signal and controls the air pressure adjusting device to switch the air port 211 from an air inlet state to an air outlet state, so that the pressure in the cooking space 30 is not overhigh; when the pressure indicator 22 is at the second predetermined position relative to the inner cover 21, the pressure indicator 22 causes the elastic conductive member to generate the second predetermined deformation, and at this time, the elastic conductive member generates the second switching signal, and the controller receives the second switching signal and controls the pressure adjusting device to switch the air inlet 211 from the air leakage state to the air inlet state, thereby ensuring that the pressure in the cooking space 30 is not too low. After cooking, the air pressure indicator 22 is located at the limiting portion 213 under the elastic recovery and self-weight action of the elastic conductive member.
In this embodiment, the air pressure adjusting device includes an air discharging mechanism 26, an air discharging mechanism 27 and an air pump 25 communicated with the outside, the air discharging mechanism 26 is connected between the air pump 25 and the air port 211, and the air discharging mechanism 27 is connected between the air port 211 and the outside. In the air intake state, the air discharge mechanism 26 opens the air communication between the air pump 25 and the air port 211, the air release mechanism 27 cuts off the air communication between the air port 211 and the outside, and the air pump 25 pumps the outside air into the cooking space 30; in the air release state, the air discharge mechanism 26 blocks the air communication between the air pump 25 and the air port 211, the air release mechanism 27 opens the air communication between the air port 211 and the outside, and the air in the cooking space 30 flows from the air release mechanism 27 to the outside.
Specifically, the air port 211 includes a first air port 2111 and a second air port 2112 which are disposed at an interval, the exhaust mechanism 26 is coupled between the first air port 2111 and the air pump 25, and the air release mechanism 27 is coupled between the second air port 2112 and the outside.
The exhaust mechanism 26 is arranged in the same manner as the above embodiment, the air release mechanism 27 includes an air release pipe 271 and an air release valve 272, the air release pipe 271 is communicated between the second air port 2112 and the outside, and the air release valve 272 is assembled on the air release pipe 271 and is used for controlling the on-off of the air release pipe 271, so as to control the opening or the cutoff of the air communication between the second air port 2112 and the outside.
It is understood that in other embodiments, the air port 211 may include only the first air port 2111, the air discharging mechanism 26 is disposed between the air pump 25 and the first air port 2111, and the air discharging mechanism 27 is disposed between the outside and the first air port 2111. More specifically, the exhaust pipe 261 of the exhaust mechanism 26 directly communicates with the first air port 2111, and the relief pipe 271 of the relief mechanism 27 communicates with the first air port 2111 through the exhaust pipe 261, which is not limited herein.
In other embodiments, the ports 211 include an intake state, a closed state, and a discharge state. In the closed state, the air discharge mechanism 26 blocks the air communication between the air pump 25 and the first air port 2111, and the air release mechanism 27 blocks the air communication between the second air port 2112 and the outside, that is, in the closed state, neither air is discharged into the cooking space 30, and the air in the cooking space 30 is discharged into the outside.
The cover body 20 further comprises a surface cover 28, the surface cover 28 is disposed on a side of the inner cover 21 away from the cooking space 30, and the air pump 25, the air exhaust mechanism 26, the air release mechanism 27 and the elastic conductive member are all clamped between the surface cover 28 and the inner cover 21. Specifically, in order to facilitate the air pump 25 and the air release mechanism 27 to communicate with the outside, the cover 20 further includes a conduction tube 29, one end of the conduction tube 29 is communicated with both the air pump 25 and the air release tube 271 of the air release mechanism 27, and the other end of the conduction tube 29 is communicated with the outside through the face cover 28.
An embodiment of the present invention further provides a cover body included in the cooking appliance.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. A cover for a cooking appliance, comprising:
the inner cover (21) is arranged above the cooking body in the cooking appliance in a covering mode, a cooking space (30) is defined between the inner cover and the cooking body, and an air port (211) communicated with the cooking space (30) is formed in the inner cover (21) in a penetrating mode;
an air pressure indicator (22) movably connected to the inner cover (21), wherein the air pressure indicator (22) can move relative to the inner cover (21) under the action of the pressure difference between the cooking space (30) and the atmospheric pressure;
when the air pressure indicator (22) is at a preset position relative to the inner cover (21), the air pressure adjusting device changes the flow direction of air flow in the air port and controls the pressure in the cooking space (30) to be within a preset pressure range, and the preset position is a position beyond a balance position.
2. The cover according to claim 1, characterized in that it further comprises a transmission element (23), said transmission element (23) being fixedly connected to said inner cover (21) and located in the path of movement of said air pressure indicator (22);
when the air pressure indicator (22) is in the preset position relative to the inner cover (21), the transmission piece (23) generates a switching signal, and the air pressure adjusting device changes the flow direction of air flow in the air port.
3. Cover according to claim 2, characterized in that the transmission element (23) is a trigger element which is triggered by the air pressure indicator (22) and generates the switching signal when the air pressure indicator (22) is in the preset position relative to the inner cover (21).
4. Cover according to claim 2, characterized in that the transmission element (23) is an elastic conductive element which reaches a predetermined deformation and generates the switching signal when the air pressure indicating element (22) is in the predetermined position with respect to the inner cover (21).
5. Cover according to claim 2, characterized in that the transmission element (23) is arranged on the side of the inner cover (21) facing away from the cooking space (30);
the inner cover (21) penetrates through a guide hole along the moving direction of the air pressure indicating piece (22), and the air pressure indicating piece (22) is movably arranged in the guide hole in a penetrating mode in a sealing mode and is opposite to the transmission piece (23).
6. The cover according to claim 1, wherein the air port (211) has an air inflow state in which the air flow from the outside to the cooking space (30) and a closed state in which the air flow is interrupted between the outside and the cooking space (30); or
The air port (211) has an air intake state in which an air flow flows from the outside into the cooking space (30) and an air release state in which an air flow flows from the cooking space (30) to the outside; or
The air port (211) has an air inflow state in which an air flow flows from the outside into the cooking space (30), a closed state in which the air flow is interrupted between the outside and the cooking space (30), and an air leakage state in which the air flow flows from the cooking space (30) to the outside.
7. The cover according to claim 6, wherein said preset positions comprise a first preset position, when said air pressure indicator (22) is in said first preset position with respect to said inner cover (21), said air pressure adjusting means switches said air port (211) from said air intake state to said closed state or said air discharge state, or from said closed state to said air discharge state;
and/or the preset position comprises a second preset position, when the air pressure indicator (22) is in the second preset position relative to the inner cover (21), the air pressure adjusting device enables the air port (211) to be switched from the air discharging state to the closing state or the air inlet state, or from the closing state to the air inlet state.
8. The cover body according to claim 6, wherein the air port (211) has an air intake state and a closed state, the air pressure adjusting device comprises an air exhaust mechanism (26) and an air pump (25) communicated with the outside, and the air exhaust mechanism (26) is coupled between the air pump (25) and the air port (211);
in the air inlet state, the air exhaust mechanism (26) opens air communication between the air pump (25) and the air port (211), and the air pump (25) pumps outside air flow into the cooking space (30);
in the closed state, the air discharge mechanism (26) blocks the air communication between the air pump (25) and the air port (211).
9. The cover according to claim 6, wherein said air port (211) has an air intake state and said air discharge state,
the air pressure adjusting device comprises an exhaust mechanism (26), an air release mechanism (27) and an air pump (25) communicated with the outside, the exhaust mechanism (26) is connected between the air pump (25) and the air port (211), and the air release mechanism (27) is connected between the air port (211) and the outside;
wherein, in the air intake state, the air discharge mechanism (26) opens the air communication between the air pump (25) and the air port (211), the air discharge mechanism (27) cuts off the air communication between the air port (211) and the outside, and the air pump (25) pumps the outside air flow into the cooking space (30);
run flat, exhaust mechanism (26) cuts air pump (25) with gas communication between gas port (211), it opens to run flat mechanism (27) gas communication between gas port (211) and the external world is located gas in cooking space (30) is followed it flows to the external world to run flat mechanism (27).
10. The cover according to claim 9, wherein the gas port (211) further has the closed state in which the air discharge mechanism (26) blocks the gas communication between the air pump (25) and the gas port (211), and the air release mechanism (27) blocks the gas communication between the gas port (211) and the outside.
11. Cover according to claim 1, characterized in that it further comprises a resetting element (24), said resetting element (24) being assembled on said inner cover (21), said resetting element (24) being connected to said air pressure indicator (22) for resetting said air pressure indicator (22).
12. A cooking appliance, comprising a cooking body and a cover according to any one of claims 1 to 11, said cover being placed on said cooking body and defining a cooking space (30) therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910740153.2A CN110432787B (en) | 2019-08-12 | 2019-08-12 | Lid and have its cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910740153.2A CN110432787B (en) | 2019-08-12 | 2019-08-12 | Lid and have its cooking utensil |
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| CN110432787A CN110432787A (en) | 2019-11-12 |
| CN110432787B true CN110432787B (en) | 2021-02-19 |
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| CN201910740153.2A Active CN110432787B (en) | 2019-08-12 | 2019-08-12 | Lid and have its cooking utensil |
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| CN110432787A (en) | 2019-11-12 |
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