CN113261851A - Bubble breaking structure, pot cover assembly and cooking utensil - Google Patents
Bubble breaking structure, pot cover assembly and cooking utensil Download PDFInfo
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- CN113261851A CN113261851A CN202010094985.4A CN202010094985A CN113261851A CN 113261851 A CN113261851 A CN 113261851A CN 202010094985 A CN202010094985 A CN 202010094985A CN 113261851 A CN113261851 A CN 113261851A
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- orifice plate
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- 238000010411 cooking Methods 0.000 title claims abstract description 15
- 239000011148 porous material Substances 0.000 claims abstract description 48
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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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
- A47J27/56—Preventing boiling over, e.g. of milk
- A47J27/58—Cooking utensils with channels or covers collecting overflowing liquid
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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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Abstract
The invention discloses a bubble breaking structure, a pot cover assembly and a cooking utensil, wherein the bubble breaking structure comprises a shell and a first pore plate structure, the shell is provided with an upper end part, a lower end part and a peripheral side part positioned between the upper end part and the lower end part, the shell is provided with an air inlet and an air outlet, a steam channel communicated with the air inlet and the air outlet is defined in the shell, the first pore plate structure is arranged in the steam channel and is arranged adjacent to the air outlet, the first pore plate structure and the shell jointly define an air outlet cavity, the first pore plate structure comprises a plurality of first pore plates which are arranged in a stacking manner in the direction close to the air outlet, and the air outlet is arranged on the shell and forms the area of the wall part of the air outlet cavity; steam enters the air outlet at last, and is filtered and broken for at least 2 times, so that the final broken bubble effect can be ensured, and the problem of overflow from the air outlet is solved.
Description
Technical Field
The invention relates to the technical field of cooking appliances, in particular to a bubble breaking structure, a pot cover assembly and a cooking appliance.
Background
For cooking appliances with air exhaust function, such as electric cookers, cooking machines, etc., there is a problem of overflow due to bubbles carried in steam during the air exhaust process.
For this reason, among the prior art, usually set up broken bubble structure at the exhaust passage of pot cover subassembly, take the steam valve as an example, can be through setting up baffle or rib structure in the steam valve to pass through the route or form mechanical collision to steam along steam and reach the effect of broken bubble, then, the fact shows that this mode, broken bubble effect is not ideal, for this reason, has the effect that reaches broken bubble through the method of control heating, specifically is: spillage is prevented by reducing the heating time during the boiling stage. However, this practice sacrifices mouthfeel and prolongs heating time.
In view of this, the invention designs a new bubble breaking structure to solve the problem of poor bubble breaking effect of the bubble breaking structure in the prior art.
Disclosure of Invention
The invention mainly aims to provide a bubble breaking structure, a pot cover assembly and a cooking utensil, and aims to solve the problem that the bubble breaking effect of the bubble breaking structure in the prior art is not ideal.
In order to achieve the above object, the present invention provides a bubble breaking structure for use in a cooking appliance, the bubble breaking structure comprising:
the steam generator comprises a shell, a steam inlet, a steam outlet and a steam channel, wherein the shell is provided with an upper end part, a lower end part and a peripheral side part positioned between the upper end part and the lower end part, the shell is provided with the steam inlet and the steam outlet, and the steam channel is defined in the shell and communicated with the steam inlet and the steam outlet; and the number of the first and second groups,
the first pore plate structure is arranged in the steam channel and is close to the air outlet, the first pore plate structure and the shell jointly define an air outlet cavity, and the first pore plate structure comprises a plurality of first pore plates which are arranged in a stacking mode in the direction close to the air outlet;
wherein, the gas outlet is arranged on the area of the wall part of the gas outlet cavity formed by the shell.
Optionally, the opening of the first orifice plate is circular, the aperture size of the first orifice plate is d1, and d1 is not less than 2mm and not more than 5 mm; or,
the diameter of a circumscribed circle of the opening of the first pore plate is d1, and d1 is larger than or equal to 2mm and smaller than or equal to 5 mm.
Optionally, at least some of the first orifice plates are integrally connected, and the integrally connected first orifice plates are integrally mounted on the housing through a fixing structure; or,
the first orifice plates are separately arranged and are respectively installed in the shell through fixing structures.
Optionally, the plurality of first orifice plates connected as a whole are integrally formed; or,
the plurality of first pore plates which are connected into a whole through a buckle structure; or,
the plurality of first pore plates which are connected into a whole through a screw connection structure.
Optionally, the fixing structure includes a clamping protrusion disposed on one of a side portion of the first orifice plate and an inner wall of the housing, and a clamping groove disposed on the other of the side portion of the first orifice plate and the inner wall of the housing and matched with the clamping protrusion.
Optionally, the plurality of first orifice plates are arranged vertically.
Optionally, the shell is arranged in a stepped manner in the vertical direction, and a stepped surface arranged upwards is arranged in the shell;
the air outlet is arranged above the step surface;
the plurality of first orifice plates are arranged on the step surface.
Optionally, the first orifice plate has two first sides in a horizontal upward direction, and at least part of the first orifice plate is configured to: the first orifice plate is bent toward the direction close to the air outlet in the direction from the two first side portions of the first orifice plate toward the middle of the first orifice plate.
Optionally, at least one first pore plate is arranged in a sinking manner, and a gap is reserved between the upper end of the first pore plate arranged in the sinking manner and the top wall of the steam channel;
and a baffle plate extending downwards is arranged on the top wall of the steam channel in front of the first pore plate correspondingly arranged in a sinking way.
Optionally, the steam channel comprises an air inlet duct extending from the air inlet towards the interior of the housing;
and a second pore plate is arranged in the air inlet pipeline or at the air outlet end of the air inlet pipeline.
Optionally, the opening of the second orifice plate is circular, the aperture size of the second orifice plate is d2, and d2 is larger than or equal to 1mm and smaller than or equal to 3 mm; or,
the opening of the second pore plate is non-circular, the diameter of a circumscribed circle of the opening of the second pore plate is d2, and d2 is larger than or equal to 1mm and smaller than or equal to 3 mm.
Optionally, the second pore plate is arranged outside the air outlet end of the air inlet pipeline, and a gap is reserved between the second pore plate and the air outlet end of the air inlet pipeline.
Optionally, the width of the air inlet is H, the second orifice plate is arranged along the width direction of the housing, the width of the housing at a position corresponding to the second orifice plate is D, and H is greater than or equal to 0.1D and less than or equal to 0.3D.
Optionally, the second orifice plate is disposed outside the air outlet end of the air inlet pipeline, the second orifice plate extends vertically and is disposed in an inclined manner in the vertical direction, and the second orifice plate abuts against the peripheral side portion of the housing to form a front cavity together with the peripheral side portion of the housing; and/or the presence of a gas in the gas,
the second pore plate and the shell are installed through a clamping groove structure.
The present invention also provides a pot cover assembly comprising:
a pot cover main body; and the number of the first and second groups,
broken bubble structure installs the pot cover main part, broken bubble structure includes casing and first orifice plate structure, the casing has upper end and lower tip and is located upper end with week side portion between the tip down, air inlet and gas outlet have been seted up on the casing, the inside intercommunication of injecing of casing the air inlet with the steam channel of gas outlet, first orifice plate structure sets up in the steam channel and neighbouring the gas outlet sets up, first orifice plate structure with the casing is injecing an air outlet cavity jointly, first orifice plate structure includes a plurality of being close to be the first orifice plate of range upon range of setting in the direction of gas outlet, wherein, the gas outlet is located just constitute on the casing on the region of air outlet cavity's wall portion.
The present invention also provides a cooking appliance including a lid assembly, the lid assembly including:
a pot cover main body; and the number of the first and second groups,
broken bubble structure installs the pot cover main part, broken bubble structure includes casing and first orifice plate structure, the casing has upper end and lower tip and is located upper end with week side portion between the tip down, air inlet and gas outlet have been seted up on the casing, the inside intercommunication of injecing of casing the air inlet with the steam channel of gas outlet, first orifice plate structure sets up in the steam channel and neighbouring the gas outlet sets up, first orifice plate structure with the casing is injecing an air outlet cavity jointly, first orifice plate structure includes a plurality of being close to be the first orifice plate of range upon range of setting in the direction of gas outlet, wherein, the gas outlet is located just constitute on the casing on the region of air outlet cavity's wall portion.
In the technical scheme of the invention, the position close to the air outlet is provided with the first pore plate structure, and the first pore plate structure comprises a plurality of first pore plates which are arranged in a stacking manner in the direction close to the air outlet, so that steam finally enters the air outlet and is filtered and broken for at least 2 times, and thus, the final broken bubble effect can be ensured, and the problem of overflow from the air outlet is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a bubble breaking structure provided in the present invention;
FIG. 2 is a schematic cross-sectional view of the bubble breaking structure provided in FIG. 1;
FIG. 3 is a schematic perspective view of the bubble breaking structure provided in FIG. 1 with the upper cover removed;
FIG. 4 is a perspective view of the bubble breaking structure of FIG. 3 from another perspective;
FIG. 5 is a schematic top view of the bubble breaking structure of FIG. 3;
FIG. 6 is a schematic perspective view of a first orifice plate configuration of the bubble breaking configuration provided in FIG. 1;
FIG. 7 is a schematic top view of another embodiment of a bubble breaking structure provided in the present invention after removing the upper lid;
FIG. 8 is a schematic perspective view of a first orifice plate of FIG. 7;
fig. 9 is a perspective view of the second orifice plate of fig. 7.
The reference numbers illustrate:
further description is made with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Before the embodiments of the present invention are described, the following description is needed:
(1) in the present application, "extending and laying in a horizontal direction" is not to be understood as meaning parallel to the horizontal plane, but to have a component in the horizontal plane, which may be parallel to the horizontal plane or may be arranged at an angle to the horizontal plane, i.e. not parallel to the vertical direction.
(2) In the present application, "extend and arrange up and down" is not understood to be parallel to the vertical direction, but is understood to have a component in the vertical direction, and may be parallel to the vertical direction, or may be disposed at an included angle with the vertical direction, that is, not parallel to the horizontal plane.
The invention provides a cooking appliance, which comprises a pot body and a pot cover assembly covering the pot body, wherein the pot cover assembly comprises a pot cover main body and a bubble breaking structure, and the bubble breaking structure is arranged on the pot cover main body, particularly a steam passage of the pot cover main body, so as to break bubbles of passing steam. The bubble breaking structure may be formed integrally with the pot cover main body or may be independent from the pot cover main body, specifically, in an embodiment of the present invention, the bubble breaking structure is a steam valve, obviously, in other embodiments, the bubble breaking structure may be a structure enclosed by each cover body of the pot cover main body, for example, when the bubble breaking structure includes an inner cover and a cover plate disposed on a lower side of the inner cover, a protruding structure is formed on an upper side of the cover plate, a covering structure is correspondingly disposed on a lower side of the inner cover, and the protruding structure and the covering structure cooperate to jointly enclose the bubble breaking structure.
Fig. 1 to 9 illustrate an embodiment of a bubble breaking structure provided by the present invention, fig. 1 to 6 illustrate an embodiment of a bubble breaking structure provided by the present invention, and fig. 7 to 9 illustrate another embodiment of a bubble breaking structure provided by the present invention, specifically, in an embodiment of the present invention, the bubble breaking structure is a steam valve.
Referring to fig. 1 to 3, the bubble breaking structure 100 includes a housing 1 and a first orifice plate structure 2, the housing 1 has an upper end portion and a lower end portion, and a peripheral side portion located between the upper end portion and the lower end portion, an air inlet 11 and an air outlet 12 are opened on the housing 1, and a steam passage 1a communicating the air inlet 11 and the air outlet 12 is defined inside the housing 1. The first pore plate structure 2 is arranged in the steam channel 1a and adjacent to the air outlet 12, the first pore plate structure 2 and the shell 1 jointly define an air outlet cavity 1b, the first pore plate structure 2 comprises a plurality of first pore plates 21 which are arranged in a stacked manner in the direction close to the air outlet 12, wherein the air outlet 12 is arranged on the shell 1 and forms the wall part of the air outlet cavity 1 b.
In the technical scheme of the invention, a first pore plate structure 2 is arranged at a position close to the air outlet 12, and the first pore plate structure 2 comprises a plurality of first pore plates 21 which are arranged in a stacked manner in the direction close to the air outlet 12, so that steam finally enters the air outlet 12 and is filtered and broken for at least 2 times, thereby ensuring the final broken bubble effect and improving the problem of overflow from the air outlet 12.
The size of the opening of the first orifice plate 21 has a direct relationship with the bubble breaking effect, the size of the opening of the first orifice plate 21 is not too large, if too large, the bubble passes through the opening directly, and the bubble breaking effect is not good, obviously, the size of the opening of the first orifice plate 21 is not too small, and if too small, the opening is easily blocked by food materials mixed in the steam, so in the embodiment of the invention, the opening of the first orifice plate 21 is circular, the pore size of the first orifice plate 21 is d1, and d1 is not more than 2mm and not more than 5 mm; or the opening of the first orifice plate 21 is non-circular, the diameter of the circumscribed circle of the opening of the first orifice plate 21 is d1, and d1 is not less than 2mm and not more than 5 mm.
For example, in the embodiment of the present invention, referring to fig. 5 to 6 and 7, at least a portion of the first orifice plates 21 of the plurality of first orifice plates 21 are integrally connected, and the integrally connected first orifice plates 21 are integrally installed in the housing 1 through a fixing structure, wherein in the embodiment of fig. 5 to 6, all of the first orifice plates 21 are integrally connected, and in the embodiment provided in fig. 7, only a portion of the first orifice plates 21 of the plurality of first orifice plates 21 are integrally connected.
During installation, the first orifice plate structure 2 is integrally installed in the housing 1, and as for the integrally connected first orifice plates 21, specifically, in the embodiment of the present invention, the integrally connected first orifice plates 21 may be integrally formed, or in another embodiment of the present invention, the integrally connected first orifice plates 21 may be integrally connected by a snap structure; alternatively, the plurality of first orifice plates 21 connected as a whole are connected as a whole by a screw structure.
Obviously, in other embodiments of the present invention, the plurality of first orifice plates 21 may be respectively and independently installed in the housing 1, and respectively installed in the housing 1 through a fixing structure.
Whether the plurality of first orifice plates 21 are integrally connected or the first orifice plates 21 are separately installed in the housing 1 through a fixing structure, it is obvious that the fixing structures of the two may be the same structure or different structures, and the specific implementation of the fixing structure is not limited, for example, the fixing structure may be a snap structure, an adhesive structure, or an ultrasonic welding structure, in the embodiment of the present invention, referring to fig. 5 and 7, the fixing structure includes a snap projection B provided on one of a side portion of the first orifice plate 21 and an inner wall of the housing 1, and a snap groove a provided on the other of the side portion of the first orifice plate 21 and the inner wall of the housing 1 and cooperating with the snap projection B, and more specifically, in the embodiment of fig. 5, the snap projection B is provided on the side portion of the first orifice plate 21, the housing 1 is provided with the clamping groove a, in the embodiment provided in fig. 7, in the first orifice plate 21 which is separately provided, the clamping protrusion B is provided on the housing 1, the side portion of the first orifice plate 21 is provided with the clamping groove a, in the first orifice plate 21 which is integrally connected, the clamping protrusion B is provided on the side portion of the first orifice plate 21, and the housing 1 is provided with the clamping groove a. Therefore, when the first orifice plate 21 is installed, the first orifice plate 21 is directly inserted and installed in the shell 1, the installation is convenient, and the side part of the first orifice plate 21 and the shell 1 can be in sealed butt joint through the clamping groove A and the clamping protrusion B.
The shape and configuration of the first orifice plate 21 are not limited, and for example, the first orifice plate 21 may be a metal screen plate or an open-pore plastic plate.
In addition, the arrangement direction of the first orifice plate 21 is not limited, for example, the plurality of first orifice plates 21 may be arranged horizontally, and certainly, may also be arranged vertically, and specifically, in the embodiment of the present invention, referring to fig. 2 to 5, the plurality of first orifice plates 21 are arranged vertically, so that, under the action of gravity, the reflowing liquid and food material may flow downward along the plurality of first orifice plates 21 to the lower end of the first orifice plates 21, and reflow is concentrated from the lower end of the plurality of first orifice plates 21, so as to avoid reflowing from each area of the plurality of first orifice plates 21, and there is a risk of blocking each area, that is, in this case, even if blocking occurs, it may only block the lower end area of the first orifice plates 21.
Considering that the first orifice plate 21 is vertically disposed, for this reason, in the embodiment of the present invention, referring to fig. 2 to 5, the housing 1 is stepped up and down, a stepped surface 13 disposed upward is formed in the housing 1, the air outlet 12 is disposed above the stepped surface 13, and the plurality of first orifice plates 21 are disposed on the stepped surface 13. Obviously, the present design is not limited to this, and the housing 1 does not necessarily need to be provided with the step surface 13, and the plurality of first orifice plates 21 may be disposed in an inclined manner, with the upper ends connected to the upper end portion and the lower ends inclined to the peripheral side portion.
Likewise, based on the vertical arrangement of the first orifice plate 21, further, in an embodiment of the present invention, the first orifice plate 21 has two first side portions in a horizontal direction, and at least a portion of the first orifice plate 21 is disposed in a curved manner in a direction approaching the air outlet 12 in a direction from the two first side portions of the first orifice plate 21 toward a middle portion of the first orifice plate 21, for example, in an embodiment provided in fig. 5, the plurality of first orifice plates 21 are disposed in a curved manner in a direction approaching the air outlet 12, for example, in an embodiment provided in fig. 7, only a portion of the plurality of first orifice plates 21 are disposed in a curved manner approaching the air outlet 12. The first orifice 21 is curved in a direction close to the air outlet 12, so that the first orifice 21 forms a concave front side, which is beneficial to guiding the steam to the middle of the first orifice 21, at this time, the sizes of the middle and the two first side openings of the first orifice 21 may be set to be different, for example, the opening size of the middle area of the first orifice 21 is larger than the sizes of the two first side openings, so that the steam is easy to pass through the middle of the first orifice 21 in a concentrated manner.
In an embodiment of the present invention, referring to fig. 2 to 5 and 7, at least one first orifice plate 21 is disposed in a sinking manner, a gap is reserved between an upper end of the first orifice plate 21 disposed in the sinking manner and a top wall of the steam channel 1a, the top wall of the steam channel 1a is provided with a baffle 3 extending downward in front of the first orifice plate 21 disposed in the sinking manner, that is, in this embodiment, the first orifice plate 21 disposed in the sinking manner does not completely block the steam channel 1a, when steam passes through the gap, a lower portion of the steam directly passes through the first orifice plate 21 disposed in the sinking manner, an upper portion of the steam bypasses the baffle 3, and the steam travels along the baffle 3 to the gap between the first orifice plate 21 disposed in the sinking manner and the housing 1, so that a path of the upper portion of the steam can be increased to facilitate bubble breaking, and here, a gap is reserved between the first orifice 21 and the casing 1, and when the steam flow in the steam channel 1a is too large to timely pass through the first orifice 21, much steam can pass through the reserved gap, so that the situation that the steam passage is blocked so that the pressure of the cooking cavity cannot be rapidly reduced is avoided. Specifically, in the embodiment of the present invention, as shown in fig. 7, a second first orifice plate 21, which is far from the air outlet 12, of the plurality of first orifice plates 21 is disposed in a sinking arrangement, and obviously, the present design is not limited thereto, and in the embodiment of the present invention, as shown in fig. 5, the first orifice plate 21, which is farthest from or closest to the air outlet 12, of the plurality of first orifice plates 21 may be disposed in a sinking arrangement, and specifically, the first orifice plate 21, which is farthest from the air outlet 12, of the plurality of first orifice plates 21 is disposed in a sinking arrangement.
In an embodiment of the present invention, referring to fig. 2 to 5, the steam channel 1a includes an air inlet pipe 1c extending from the air inlet 11 toward the inside of the housing 1, a second orifice plate 4 is disposed inside the air inlet pipe 1c or at an air outlet end of the air inlet pipe 1c, and steam has the largest kinetic energy and pressure when entering the steam channel 1a, so that the steam entering the steam channel 1a is filtered by the second orifice plate 4, and the steam has a pressure loss when passing through the second orifice plate 4, so that a pressure difference is formed between front and rear sides of the second orifice plate 4, and the bubbles can be automatically broken, and further, when passing through the opening of the second orifice plate 4, the bubbles in the steam and the second orifice plate 4 mechanically collide and are also broken.
As can be seen from the foregoing, the second orifice plate 4 has the same filtering and bubble breaking effects as the first orifice plate 21, but the second orifice plate 4 is different from the first orifice plate 21 in that the second orifice plate 4 is located at the air inlet pipe 1c and directly faces the high-pressure and high-speed steam, so that a large pressure reduction function needs to be performed, and therefore, the size of the opening of the second orifice plate 4 cannot be too large, if too large, the bubbles will directly pass through, which deteriorates the pressure reduction effect of the second orifice plate 4, and in addition, the size of the opening of the second orifice plate 4 is not too small, if too small, the steam cannot pass through quickly, the pressure in the cooking cavity cannot be released in time, and the problem that the steam is blocked by food materials included in the steam exists, so that the opening of the second orifice plate 4 is circular, and the size of the second orifice plate 4 is d2, d2 is more than or equal to 1mm and less than or equal to 3 mm; or the opening of the second pore plate 4 is non-circular, the diameter of the circumscribed circle of the opening of the second pore plate 4 is d2, and d2 is not less than 1mm and not more than 3 mm.
As can be seen from the foregoing, the second orifice plate 4 may be disposed inside the air inlet pipe 1c, or disposed at two ends of the air inlet pipe 1c, and in an embodiment of the present invention, referring to fig. 2 to 5, the second orifice plate 4 is disposed outside the air outlet end of the air inlet pipe 1c, and a gap is reserved between the second orifice plate 4 and the air outlet end of the air inlet pipe 1c, so that the second orifice plate 4 does not directly and completely block the air outlet end of the air inlet pipe 1c, so that a part of the steam coming out from the air outlet end of the air inlet pipe 1c can pass through the second orifice plate 4, and another part of the steam passes through the gap between the second orifice plate 4 and the air outlet end and flows into the middle section of the steam channel 1a, especially, when the steam flow rate from the air inlet pipe 1c is relatively large, if, second orifice plate 4 shelters from completely the end of giving vent to anger of admission line 1c can make steam can not in time certainly the end of giving vent to anger of steam channel 1a discharges, and leads to the pressure in culinary art chamber can not in time release, has food certainly steam channel 1a spun risk.
The proper width of the air inlet 11 is beneficial to forming a larger injection speed of the mixture, and if the air inlet 11 is too small, the resistance is larger, which also causes the problem of unsmooth air exhaust, in the embodiment of the present invention, referring to fig. 5 specifically, the width of the air inlet 11 is H, the width of the shell 1 at the position corresponding to the second orifice 4 is D, and H is greater than or equal to 0.1D and less than or equal to 0.3D.
In an embodiment of the invention, see in particular fig. 2, the second perforated plate 4 is arranged outside the outlet end of the inlet conduit 1c, the second orifice plate 4 extends vertically and is arranged obliquely vertically and upwardly, the second orifice plate 4 is abutted with the peripheral side part of the shell 1, a front cavity 1d is formed by enclosing with the peripheral side part of the shell 1, the steam coming out from the air outlet end of the air inlet pipeline 1c enters the front cavity 1d from the second pore plate 4, and is folded back in the front cavity 1d, flows out from the peripheral area of the second orifice plate 4 to the middle section of the steam channel 1a, namely, the steam enters the front cavity 1d and then passes through a back-and-forth folding back path to prolong the steam path, which is beneficial to breaking bubbles, and the pressure difference exists between the inside and the outside of the front cavity 1d, which is further beneficial to breaking the bubbles.
The second orifice plate 4 is installed in the housing 1, and the specific installation manner is not limited, and may be installation by a snap structure, or ultrasonic welding, and is fixedly installed by bonding, in the embodiment of the present invention, the second orifice plate 4 and the housing 1 are installed by a slot structure.
In the embodiment of the present invention, the lower end portion of the housing 1 is provided with a return port 14, the return port 14 is provided with a valve plug 5 for controlling the opening and closing of the return port 14, in another embodiment of the present invention, the valve plug 5 is provided under the return port 14, one end of the valve plug 5 is fixedly mounted on the housing 1, the other end is a free end, the valve plug 5 is made of an elastic material and is arranged to cover the return port 14 in an initial state, the return port 14 is opened under the action of liquid returned from the upper side of the valve plug 5, the valve plug 5 closes the return port 14 more tightly as the pressure of the cooking cavity is increased, and the return port 14 is opened under the action of liquid returned from the upper side of the valve plug 5.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (15)
1. A bubble breaking structure for use in a cooking appliance, the bubble breaking structure comprising:
the steam generator comprises a shell, a steam inlet, a steam outlet and a steam channel, wherein the shell is provided with an upper end part, a lower end part and a peripheral side part positioned between the upper end part and the lower end part, the shell is provided with the steam inlet and the steam outlet, and the steam channel is defined in the shell and communicated with the steam inlet and the steam outlet; and the number of the first and second groups,
the first pore plate structure is arranged in the steam channel and is close to the air outlet, the first pore plate structure and the shell jointly define an air outlet cavity, and the first pore plate structure comprises a plurality of first pore plates which are arranged in a stacking mode in the direction close to the air outlet;
wherein, the gas outlet is arranged on the area of the wall part of the gas outlet cavity formed by the shell.
2. The bubble breaking structure of claim 1, wherein the opening of the first orifice plate is circular, the first orifice plate has an aperture size of d1, d1 is 2mm or more and 5mm or less; or,
the diameter of a circumscribed circle of the opening of the first pore plate is d1, and d1 is larger than or equal to 2mm and smaller than or equal to 5 mm.
3. The bubble breaking structure according to claim 1, wherein at least some of the first orifice plates are integrally connected, and the integrally connected first orifice plates are integrally mounted to the housing by a fixing structure; or,
the first orifice plates are separately arranged and are respectively installed in the shell through fixing structures.
4. The bubble breaking structure of claim 3, wherein the plurality of first orifice plates integrally connected are integrally formed; or,
the plurality of first pore plates which are connected into a whole through a buckle structure; or,
the plurality of first pore plates which are connected into a whole through a screw connection structure.
5. The bubble breaking structure according to claim 3, wherein the fixing structure comprises a locking protrusion provided on one of a side portion of the first orifice plate and an inner wall of the housing, and a locking groove provided on the other of the side portion of the first orifice plate and the inner wall of the housing and engaged with the locking protrusion.
6. A bubble breaking structure according to any one of claims 1 to 5, wherein the plurality of first orifice plates are arranged vertically.
7. The bubble breaking structure according to claim 6, wherein the housing is stepped in the up-down direction, and the housing has an upwardly-facing stepped surface;
the air outlet is arranged above the step surface;
the plurality of first orifice plates are arranged on the step surface.
8. The bubble breaking structure according to claim 6, wherein the first orifice plate has two first side portions which are horizontally upward, and at least a part of the first orifice plate is curved in a direction approaching the air outlet in a direction from the two first side portions of the first orifice plate toward a middle portion of the first orifice plate.
9. The bubble breaking structure of claim 6, wherein at least one first orifice plate is arranged in a sinking manner, and a gap is reserved between the upper end of the first orifice plate arranged in the sinking manner and the top wall of the steam channel;
and a baffle plate extending downwards is arranged on the top wall of the steam channel in front of the first pore plate correspondingly arranged in a sinking way.
10. The bubble breaking structure of claim 1, wherein the vapor passage comprises an air inlet duct extending from the air inlet toward the interior of the housing;
and a second pore plate is arranged in the air inlet pipeline or at the air outlet end of the air inlet pipeline.
11. The bubble breaking structure of claim 10, wherein the opening of the second orifice plate is circular, the aperture size of the second orifice plate is d2, d2 is larger than or equal to 1mm and smaller than or equal to 3 mm; or,
the opening of the second pore plate is non-circular, the diameter of a circumscribed circle of the opening of the second pore plate is d2, and d2 is larger than or equal to 1mm and smaller than or equal to 3 mm.
12. The bubble breaking structure of claim 10, wherein the second orifice plate is disposed outside the gas outlet end of the gas inlet pipe, and a gap is reserved between the second orifice plate and the gas outlet end of the gas inlet pipe.
13. The bubble breaking structure of claim 10, wherein the width of the air inlet is H, the width of the housing at the position corresponding to the second orifice plate is D, and 0.1D ≦ H ≦ 0.3D.
14. The bubble breaking structure according to claim 10, wherein the second orifice plate is disposed outside the air outlet end of the air inlet pipe, the second orifice plate extends vertically and is disposed obliquely vertically and upwardly, and the second orifice plate abuts against the peripheral side portion of the housing to form a front cavity together with the peripheral side portion of the housing; and/or the presence of a gas in the gas,
the second pore plate and the shell are installed through a clamping groove structure.
15. A lid assembly, comprising:
a pot cover main body; and the number of the first and second groups,
the bubble breaking structure according to any one of claims 1 to 14, which is mounted on the lid body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010094985.4A CN113261851A (en) | 2020-02-14 | 2020-02-14 | Bubble breaking structure, pot cover assembly and cooking utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010094985.4A CN113261851A (en) | 2020-02-14 | 2020-02-14 | Bubble breaking structure, pot cover assembly and cooking utensil |
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| CN113261851A true CN113261851A (en) | 2021-08-17 |
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| CN202010094985.4A Pending CN113261851A (en) | 2020-02-14 | 2020-02-14 | Bubble breaking structure, pot cover assembly and cooking utensil |
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| CN110623534A (en) * | 2018-06-21 | 2019-12-31 | 佛山市顺德区美的电热电器制造有限公司 | Bubble breaker, pot cover assembly and cooking utensil |
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| WO2011117659A1 (en) * | 2010-03-26 | 2011-09-29 | Strix Limited | Steam cooking appliances |
| CN107174121A (en) * | 2015-10-16 | 2017-09-19 | 胡振强 | The overflow prevention method of electric cooker |
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