CN210930928U - Cover plate, cover body and cooking utensil - Google Patents
Cover plate, cover body and cooking utensil Download PDFInfo
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- CN210930928U CN210930928U CN201920330046.8U CN201920330046U CN210930928U CN 210930928 U CN210930928 U CN 210930928U CN 201920330046 U CN201920330046 U CN 201920330046U CN 210930928 U CN210930928 U CN 210930928U
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Abstract
The utility model provides a apron, lid and cooking utensil. The cover plate is provided with a plurality of air inlets, the diameter of the maximum circle which can be contained in the air inlets is larger than or equal to 3mm, and the axis of the maximum circle is parallel to the axis of the air inlets. The cover plate provided by the utility model has the advantages that on one hand, the number of the air inlet holes is multiple, the air inlet area can be increased, more steam is discharged through the air inlet holes, the pressure in cooking appliances such as electric cookers is effectively relieved, the condition of explosion boiling under big fire is realized, the air inlet holes are simultaneously arranged, backflow water can flow back to the inner pot through the air inlet holes, the condition that the backflow water is discharged by steam can not occur, and the smooth backflow of liquid is ensured; on the other hand, the diameter of the maximum circle which can be contained in the air inlet hole is larger than or equal to 3mm, so that the opening size of the air inlet hole is ensured, and steam can be smoothly discharged through the air inlet hole.
Description
The application is a divisional application of Chinese patent application with application date of 2018, 3 and 7, application number of 2018203116272 and invention name of cover plate, cover body and cooking utensil.
Technical Field
The utility model relates to a kitchen utensil field, more specifically relates to an apron, including the lid of this apron and the cooking utensil including this lid.
Background
The problem that the existing cooking utensil such as an electric cooker overflows a pot is always existed in the electric cooker industry. The rice needs to be full and delicious, and needs to be boiled enough to fully absorb moisture, but once the rice is boiled by strong fire, moisture is continuously generated, excessive moisture is accumulated in the pot to bring pressure, the pressure in the pot is easy to rise, the danger is caused, and the moisture is easy to influence the backflow of liquid.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
To this end, a first aspect of the present invention is directed to a cover plate.
An object of the second aspect of the present invention is to provide a cover body including the above cover plate.
An object of the third aspect of the present invention is to provide a cooking apparatus including the above cover.
In order to achieve the above object, the present invention provides a cover plate, the cover plate is provided with a plurality of air inlets, the diameter of the maximum circle that can hold in the air inlet is greater than or equal to 3mm, wherein the axis of the maximum circle is parallel to the axis of the air inlet, the cover plate is recessed downwards to form a groove, the air inlet is arranged on the groove bottom wall of the groove.
The utility model discloses the apron that the technical scheme of first aspect provided, the quantity of inlet port is a plurality of on the one hand, can increase the intake area, makes more steam discharge through the inlet port to effectively alleviate the pressure in cooking utensils such as electric rice cooker, and the condition of bumping under big fire sets up a plurality of inlet ports simultaneously, and the backward flow water can flow back to the inner pot through a plurality of inlet ports, can not take place the condition that the backward flow water is discharged by steam, guarantees the smooth backward flow of liquid; on the other hand, the diameter of the maximum circle which can be contained in the air inlet hole is larger than or equal to 3mm, so that the opening size of the air inlet hole is ensured, and steam can be smoothly discharged through the air inlet hole.
The largest circle that can be accommodated in the air intake hole refers to the largest circle that can be accommodated in the air intake hole when the axis of the circle (passing through the center of the circle and perpendicular to the plane in which the circle lies) is parallel to the axis of the air intake hole, or is understood to be the largest circle that can pass through the air intake hole when the axis of the circle is parallel to the axis of the air intake hole. When the air inlet hole has an inscribed circle, the maximum circle refers to the inscribed circle of the air inlet hole, and when the air inlet hole has a plurality of inscribed circles, the inscribed circle with the largest diameter among the plurality of inscribed circles that the maximum circle refers to.
In addition, the utility model discloses the apron that above-mentioned embodiment provided still has following additional technical characterstic:
in the above technical solution, preferably, the diameter of the maximum circle is less than or equal to 5 mm.
The diameter of the largest circle is 3mm-5mm, and the diameter of the largest circle may be, but is not limited to, 3mm, 4mm, or 5 mm.
In the above technical solution, preferably, the number of the air intake holes is not less than 10.
In the above technical solution, preferably, the hole wall of at least one of the air intake holes includes a curved section.
The at least one air inlet hole may be in various shapes such as a circle, an ellipse, a semicircle, an irregular shape, etc.
In the above technical solution, preferably, the at least one air inlet hole is circular.
In the above technical solution, preferably, at least one of the air inlet holes is polygonal.
Of course, the shape of the air inlet hole is not limited to the above shape, and other shapes are also possible, and are not listed one by one here, because the purpose of the utility model can be achieved, and the design idea and purpose of the utility model are not broken away, therefore, these technical solutions all should be in the protection scope of the utility model.
In the above technical solution, preferably, the plurality of air inlets are uniformly distributed or non-uniformly distributed; and/or the shapes of a plurality of the air inlet holes are the same or different; and/or the sizes of the air inlet holes are the same or different; and/or the upper surface of the cover plate comprises a first plane part, the air inlet hole is arranged on the first plane part, in order to reduce the resistance of the liquid flowing between the steam valve and the cover plate, the surface of the cover plate close to the steam valve (the upper surface of the cover plate) comprises a first plane part in a plane shape, and further, the part of the upper surface of the cover plate corresponding to the steam valve is in a plane shape.
The second aspect of the present invention provides a cover, including the cover plate according to any one of the above technical solutions; and the steam valve is positioned on one side of the cover plate, which is far away from the inner pot, a steam cavity is arranged in the steam valve, and a steam inlet which is used for communicating the steam cavity with the air inlet of the cover plate is arranged on the steam valve.
The utility model discloses the lid that technical scheme of second aspect provided, because of it includes any above-mentioned technical scheme the apron, therefore have any above-mentioned technical scheme the beneficial effect of apron, no longer describe herein.
Among the above-mentioned technical scheme, preferably, steam inlet with the inlet port setting of staggering, the purpose that the steam inlet of apron and steam valve staggers each other is the movement distance that increases the bubble to improve broken bubble's effect. Because the moving distance of the bubbles is increased, the probability that the bubbles collide with the wall surface (such as the surface of a steam valve and the surface of a cover plate) or other bubbles in the moving process is increased, and the probability of the bubbles being destroyed is also increased, so that the bubble breaking effect is improved; and/or the steam inlet is arranged at the bottom of the steam valve, and the air inlet is positioned in the projection area of the steam valve on the cover plate; and/or a plurality of steam inlets are arranged on the steam valve; and/or a gap is formed between the cover plate and the steam valve, the gap is larger than 1mm and smaller than or equal to 10mm, when the gap between the steam valve and the cover plate is smaller than 1mm, the flowing resistance of liquid in the area between the steam valve and the cover plate is increased, the liquid is not easy to flow back into the inner pot, and if the gap is further reduced, the situation that the overflow prevention system of the cooking utensil is failed due to the fact that the liquid is poured into the steam valve again can even occur. Therefore, in order to achieve the backflow effect, the gap between the steam valve and the cover plate should be larger than 1mm, the flow resistance of liquid in the area between the steam valve and the cover plate is reduced, the liquid can smoothly flow into the inner pot, the anti-overflow effect of the steam valve is improved, the gap between the steam valve and the cover plate is too large due to the fact that the gap is larger than 10mm, the thickness of the cover body is increased, and the occupied space of the cooking appliance is increased; and/or the bottom of the steam valve comprises a second flat part, and the steam inlet is arranged on the second flat part, so that the resistance on liquid backflow is further reduced.
In the above technical solution, preferably, at least two of the plurality of steam inlets are different in shape and/or size, and the plurality of steam inlets are uniformly or non-uniformly distributed.
Through set up a plurality of steam inlets in the bottom in steam chamber, a plurality of steam inlets can provide a plurality of return channels for the backward flow liquid, and the backward flow liquid can flow back through the steam inlet that passes through most easily to avoided among the prior art backward flow liquid to take place the condition that steam inlet blockked up, ensured the continuous function of steam valve steam backflow function. A plurality of steam inlets have two kinds of shapes at least, like two kinds, three kinds, four kinds etc. therefore also have different specifications, the steam inlets of different shapes can form the difference because of the difference of its shape and size, the dominant role of performance, for example the entering of some mainly used steam, the backward flow of some mainly used liquid, like this, a plurality of steam inlets are through dividing the cooperation of working a job, the exhaust function of steam valve has been guaranteed effectively, the backward flow function of steam valve has also effectively been guaranteed, and then cooking utensil's security and anti-overflow effect have been improved.
As for the specific shape and the specific number of the plurality of steam inlets, the steam inlet is not particularly limited, and can be reasonably designed according to the specific structure and performance requirements of the product in the actual production process. The steam inlet is relatively regular in shape, simple in structure and convenient to machine and form. Furthermore, the strip-shaped, arc-shaped and oval steam inlets are not easy to be completely blocked due to uneven circumferential direction, thereby being beneficial to the passing of the backflow liquid; the round and regular polygonal steam inlets are regular and uniform in shape, so that steam and rice water foam (essentially, a mixed solution formed by dissolving starch in water wraps air) can enter the steam cavity, the rice water foam is subjected to the processes of bubble breaking, partial backflow and re-foaming, and a good anti-overflow and bubble breaking effect is achieved.
Of course, the shape of the steam inlet is not limited to the above shape, and other shapes such as diamond shape, semi-circular shape, etc. are also possible, and are not listed one by one here, since the purpose of the present invention can be achieved, and the design idea and purpose of the present invention are not broken away, therefore these technical solutions should be within the protection scope of the present invention.
In the above technical scheme, preferably, the cover plate is recessed towards the direction close to the inner pan to form a groove, the steam valve is at least partially located in the groove, and the air inlet is arranged on the groove bottom wall of the groove.
The cover plate is sunken downwards to form a groove, and the air inlet holes are formed in the bottom wall of the groove. The steam valve is at least partially positioned in the groove, so that when the gap between the bottom of the steam valve and the cover plate is ensured to be larger than 1mm and smaller than 10mm, and the cover body is covered on the pot body, the whole thickness of the cooking utensil is not influenced.
In the above technical solution, preferably, the cover further includes: the sealing ring is arranged between the steam valve and the cover plate and used for sealing between the steam valve and the cover plate, a backflow cavity is defined by the steam valve, the cover plate and the sealing ring, the steam inlet is formed in the part, defined out of the backflow cavity, of the steam valve, and the air inlet is formed in the part, defined out of the backflow cavity, of the cover plate.
In the above technical solution, preferably, the steam valve includes a heat exchange plate, a plate surface on one side of the heat exchange plate forms a partial cavity wall of the steam cavity, and a plate surface on the other side of the heat exchange plate contacts with an external environment to promote heat dissipation in the steam cavity; and/or, the steam valve is including the panel, heat exchange plate and the bottom plate that set gradually from top to bottom, the panel with inject the heat exchange chamber that has the import that is linked together with the external world and export between the heat exchange plate, the heat exchange plate with inject between the bottom plate the steam chamber, steam inlet sets up on the bottom plate.
The steam in the inner pot enters the steam cavity through the air inlet hole and the steam inlet on the cover plate. The heat dissipation effect of the steam valve is strengthened through the heat exchange plate, so that the bubble breaking efficiency and the anti-overflow effect of the steam valve are improved, the scheme that the anti-overflow effect is improved through a large space in the prior art is compared, the volume of the steam valve is remarkably reduced on the basis of realizing the same anti-overflow effect, the attractiveness of a product is improved, the quality of the cover body is reduced, and the ultra-thinning of the cover body is facilitated.
Specifically, the anti-overflow principle of cooking appliances such as electric cookers is to break bubbles generated during cooking, and the traditional steam valve adopts a large space to prolong the condensation backflow time of steam so as to realize passive anti-overflow and bubble breaking; and this company's technical staff discovers through a large amount of experiments and research after, and the bubble can be broken out automatically at refrigerated in-process to the effect of the fast broken bubble of refrigerated speed is more obvious, consequently, through the heat dissipation cooling effect who promotes the steam valve, can show the anti-overflow broken bubble effect that promotes the steam valve. Based on this, this application has set up the heat exchange plate in the valve body, because one side face of heat exchange plate constitutes the partial cavity wall in steam chamber, opposite side face and external environment contact, therefore the bubble in the steam chamber can scatter and disappear to external environment fast through the heat exchange plate, and then realize breaking out fast through quick cooling, thereby the broken bubble efficiency of steam valve has effectively been improved, and can reduce the volume of steam valve under the prerequisite that realizes the same anti-overflow effect, the anti-overflow effect that the steam valve of having realized the small volume reaches bulky steam valve.
Furthermore, the heat exchange plate is made of a material with good heat conducting property, so that heat in the steam cavity can be quickly dissipated through the heat exchange plate, and the heat dissipation effect of the steam valve is enhanced. Preferably, the heat exchange plate is an aluminum plate or a copper plate.
Consequently this application is through having set up the heat exchange plate, because one side face of heat exchange plate constitutes the partial cavity wall of steam chamber, opposite side face and external environment contact, therefore the bubble in the steam chamber can scatter and disappear the external environment with the heat fast through the heat exchange plate in, and then realize destroying fast through quick cooling, thereby the broken bubble efficiency of steam valve has effectively been improved, and can reduce the volume of steam valve under the prerequisite that realizes the same anti-overflow effect, the anti-overflow effect that the steam valve of having realized the small volume reaches bulky steam valve. The specific position of the heat exchange plate is not limited, and can be an upper plate body of a steam valve; it is also possible to arrange a face plate above the heat exchanger plate, forming a heat exchange chamber between the face plate and the heat exchanger plate, which enhances natural convection and thus further increases the heat exchange rate.
The valve body comprises a panel, a heat exchange plate and a bottom plate which are sequentially arranged up and down, a heat exchange cavity is defined between the panel and the heat exchange plate, and a steam cavity is defined between the heat exchange plate and the bottom plate, so that a structure with two cavities and three layers is formed; as the heat exchange cavity is provided with the inlet and the outlet which are communicated with the outside, natural convection can be strengthened, the heat exchange speed is increased, the heat dissipation and cooling effects of the steam valve are further improved, and the bubble breaking efficiency of the steam valve is further improved.
The lid still includes the lid body, and the apron is located the inboard of lid body, and apron and lid body can dismantle and be connected.
The utility model discloses technical scheme of third aspect provides a cooking utensil, include: a pan body including an inner pan; and the cover body can be covered on the pot body in an opening and closing manner.
The utility model discloses the cooking utensil that technical scheme of third aspect provided, because of it includes any above-mentioned technical scheme the lid, therefore have any above-mentioned technical scheme the whole beneficial effect of lid, no longer describe herein.
The cooking utensil is an electric cooker. Of course, the electric cooker is not limited to an electric cooker, and can also be an electric pressure cooker, an electric steamer, an electric saucepan, a soybean milk machine and the like.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic cross-sectional view of a part of a cover according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a cover part according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cover plate according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
the steam valve 10, the panel 11, the gap 111, the heat exchange plate 12, the bottom plate 13, the steam inlet 131, the steam cavity 14, the heat exchange cavity 15, the silica gel sealing block 16, the valve cap 20, the valve cap sealing ring 30, the cover plate 40, the air inlet 41, the groove 42, the sealing ring 50 and the reflux cavity 60.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Cover plates, covers and cooking appliances according to some embodiments of the present invention are described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, according to the cover plate provided by some embodiments of the present invention, the cover plate 40 is provided with a plurality of air inlet holes 401, the diameter of the maximum circle that can be accommodated in each air inlet hole 401 is greater than or equal to 3mm, and the axis of the maximum circle is parallel to the axis of the air inlet hole 401.
The utility model discloses the apron 40 that technical scheme of the first aspect provided, the quantity of inlet port 401 is a plurality of on the one hand, can increase the area of admitting air, make more steam discharge through inlet port 401, thereby effectively alleviate the pressure in cooking utensils such as electric rice cooker, and the region between steam valve and the apron 40 is arranged in flowing back the liquid in the steam valve to the inner pot, the condition of bumping under big fire sets up a plurality of inlet ports 401 simultaneously, the backward flow water can flow back to the inner pot through a plurality of inlet ports 401, the condition that the backward flow water is discharged by steam can not take place, guarantee the smooth backward flow of liquid; on the other hand, the diameter of the maximum circle which can be contained in the air inlet hole 401 is larger than or equal to 3mm, so that the opening size of the air inlet hole 401 is ensured, and steam can be smoothly discharged through the air inlet hole 401.
The largest circle that can be accommodated in the air inlet hole 401 refers to the largest circle that can be accommodated in the air inlet hole 401 when the axis of the circle (passing through the center of the circle and perpendicular to the plane of the circle, such as the axis of the circle in the up-down direction in fig. 1) is parallel to the axis of the air inlet hole 401 (such as the axis of the air inlet hole in the up-down direction in fig. 1, and is consistent with the direction in which steam enters the air inlet hole from the inner pot), or is understood to be the largest circle that can pass through the air inlet hole 401 when the axis of the circle is parallel to the axis of the air inlet hole 401. When the air intake holes 401 have inscribed circles, the maximum circle refers to the inscribed circle of the air intake holes 401, and when the air intake holes 401 have a plurality of inscribed circles, the largest circle refers to the inscribed circle of the plurality of inscribed circles having the largest diameter.
Preferably, the diameter of the largest circle is less than or equal to 5 mm.
The diameter of the largest circle is 3mm-5mm, and the diameter of the largest circle may be, but is not limited to, 3mm, 4mm, or 5 mm.
Preferably, the number of the air intake holes 401 is not less than 10.
Preferably, the aperture wall of at least one air inlet aperture 401 comprises a curved section.
The at least one air intake hole 401 may have various shapes such as a circle, an ellipse, a semicircle, an irregular shape, etc.
Preferably, at least one air intake hole 401 is circular. When the air inlet hole is circular, the shape of the largest circle which can be contained in the air inlet hole is the same as that of the circular air inlet hole.
Preferably, the diameter of the circle is greater than or equal to 3 mm.
The diameter of the circle is less than or equal to 5 mm.
Preferably, the diameter of the circle is 3mm to 5mm, and the diameter of the circle may be, but is not limited to, 3mm, 4mm, or 5 mm.
Preferably, at least one air intake hole 401 is polygonal.
Of course, the shape of the air inlet 401 is not limited to the above shape, and may be other shapes, which are not listed one by one, and the object of the present invention can be achieved without departing from the design concept and purpose of the present invention, therefore, these technical solutions should be all within the protection scope of the present invention.
Preferably, the plurality of air intake holes 401 are uniformly distributed or non-uniformly distributed.
The plurality of intake holes 401 may be the same or different in shape.
The plurality of intake holes 401 may be the same or different in size.
The surface (upper surface) of the cover plate 40 close to the steam valve 10 includes a first flat portion on which the air intake holes 401 are provided, and in order to reduce the resistance of the liquid flowing between the steam valve 10 and the cover plate 40, the surface of the cover plate 40 close to the steam valve 10 (upper surface of the cover plate 40) includes a first flat portion in a planar shape, and further, the portion of the upper surface of the cover plate 40 corresponding to the steam valve 10 is in a planar shape.
The utility model discloses technical scheme of second aspect provides the lid, including above-mentioned arbitrary technical scheme apron and steam valve. The steam valve is arranged at one side of the cover plate far away from the inner pot, a steam cavity is arranged in the steam valve, and a steam inlet for communicating the steam cavity with an air inlet of the cover plate is arranged
The utility model discloses the lid that technical scheme of second aspect provided, steam in the interior pot passes through inlet port 401, steam inlet 131 on the apron 40 and gets into in the steam chamber 14. The heat dissipation effect of the steam valve 10 is strengthened by arranging the heat exchange plate 12, so that the bubble breaking efficiency and the anti-overflow effect of the steam valve 10 are improved, compared with a scheme that the anti-overflow effect is improved by adopting a large space in the prior art, the volume of the steam valve 10 is remarkably reduced on the basis of realizing the same anti-overflow effect, the attractiveness of a product is improved, the quality of the cover body is reduced, and the ultra-thinning of the cover body is facilitated.
Specifically, since the anti-overflow principle of cooking appliances such as electric cookers is to break bubbles generated during cooking, the conventional steam valve 10 employs a large space to extend the condensation backflow time of steam, thereby achieving passive anti-overflow breaking of bubbles; and this company's technical staff discovers through a large amount of experiments and research after, the bubble can be broken out automatically at refrigerated in-process to the effect that the bubble was broken to refrigerated speed is the faster is more obvious, consequently, through the heat dissipation cooling effect who promotes steam valve 10, can show the anti-overflow broken bubble effect that promotes steam valve 10. Based on this, this application has set up heat exchange plate 12 in the valve body, because one side face (lower side face) of heat exchange plate 12 constitutes the partial chamber wall of steam chamber 14, another side face (upper side face) contacts with external environment, therefore the bubble in the steam chamber 14 can scatter and disappear to external environment fast through heat exchange plate 12, and then realize breaking out fast through quick cooling, thereby effectively improved the broken bubble efficiency of steam valve 10, and can reduce the volume of steam valve 10 under the prerequisite that realizes the same anti-overflow effect, the anti-overflow effect that steam valve 10 that has realized the small volume reaches bulky steam valve 10.
The quantity of inlet port 401 is a plurality of, can increase the area of admitting air to effectively alleviate the pressure in cooking utensils such as electricity rice cooker, and the region between steam valve 10 and the apron 40 is arranged in the liquid reflux in steam valve 10 to the interior pot, the condition of bumping under big fire sets up a plurality of inlet ports 401 simultaneously, during the backward flow water can flow back to the interior pot through a plurality of inlet ports, can not take place the backward flow water by steam exhaust's condition, guarantee the smooth backward flow of liquid. As shown in fig. 3, the cover plate 40 is provided with 15 air inlet holes 401.
Further, the heat exchange plate 12 is made of a material with good heat conductivity, so as to ensure that heat in the steam cavity 14 can be dissipated rapidly through the heat exchange plate 12, and thus the heat dissipation effect of the steam valve 10 is enhanced. Preferably, the heat exchange plate 12 is an aluminum plate or a copper plate.
Preferably, the steam inlet 131 is offset from the air inlet 401, and the purpose of offsetting the cover plate 40 from the steam inlet 131 of the steam valve 10 is to increase the movement distance of the bubbles, thereby improving the bubble breaking effect. Because the moving distance of the bubbles is increased, the probability that the bubbles collide with the wall surface (such as the surface of the steam valve 10 and the surface of the cover plate 40) or other bubbles during the moving process is increased, and the probability that the bubbles are destroyed is also increased, thereby improving the bubble destruction effect. Preferably, as shown in fig. 2, the rectangular dotted line block indicates the steam valve, the circular dotted line indicates the steam inlet, and the steam inlet 131 is disposed to be staggered from the air inlet hole 41.
The steam inlet 131 is disposed at the bottom of the steam valve 10, and the air intake hole 401 is located in the projected area of the steam valve 10 on the cover plate 40.
There is a gap between the cover plate 40 and the steam valve 10, and the gap D is greater than 1mm and less than or equal to 10 mm.
When the gap between the steam valve 10 and the cover plate 40 is less than 1mm, the flow resistance of the liquid in the area between the steam valve 10 and the cover plate 40 is increased, the liquid is not easy to flow back into the inner pot, and if the gap is further reduced, even the situation that the liquid flows back into the steam valve 10 again to cause the anti-overflow system of the cooking appliance to fail can occur. Therefore, for the effect of backflow, the gap between the steam valve 10 and the cover plate 40 should be greater than 1mm, the flow resistance of the liquid in the area between the steam valve 10 and the cover plate 40 is reduced, so that the liquid can smoothly flow into the inner pot, thereby improving the anti-overflow effect of the steam valve 10, and the gap greater than 10mm may cause the gap between the steam valve 10 and the cover plate 40 to be too large, increase the thickness of the cover body, and cause the occupied space of the cooking appliance to be increased. The gap may be, but is not limited to, 1mm, 1.5mm, 2.0mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8.0mm, 8.5mm, 9mm, 9.5mm, or 10 mm.
The bottom of the steam valve 10 includes a second flat surface portion on which the steam inlet 131 is provided, and further, the lower surface of the steam valve is planar, and the steam inlet is provided on the lower surface of the steam valve.
Preferably, the steam valve 10 is provided with a plurality of steam inlets 131, at least two steam inlets 131 of the plurality of steam inlets 131 have different shapes and/or sizes, and the plurality of steam inlets 131 are uniformly or non-uniformly distributed.
Through set up a plurality of steam inlet 131 in the bottom of steam chamber 14, a plurality of steam inlet 131 can provide a plurality of backward flow passageways for the reflux liquid, and the reflux liquid can flow back through the steam inlet 131 that passes through most easily to the condition of reflux liquid with steam inlet 131 jam among the prior art has been avoided and the continuous operation of steam valve 10 steam backflow function has been ensured. The steam inlets 131 have at least two shapes, such as two, three, four, etc., and therefore have different specifications, the steam inlets 131 with different shapes can form differences due to the difference of the shapes and the difference of the sizes, the main functions of the steam inlets 131 with different shapes can be different, such as the entering of some main steam, and the backflow of some main liquid, so that the steam inlets 131 are matched in a labor division manner, the exhaust function of the steam valve 10 is effectively ensured, the backflow function of the steam valve 10 is also effectively ensured, and further the safety and the anti-overflow effect of the cooking appliance are improved.
As for the specific shape and the specific number of the plurality of steam inlets 131, there is no specific limitation, and the steam inlets may be reasonably designed according to the specific structure and performance requirements of the product in the actual production process. The shape of the long-strip-shaped, circular, arc-shaped, regular polygon-shaped and oval-shaped steam inlet 131 is relatively regular, the structure is simple, and the processing and forming are convenient. Furthermore, the strip-shaped, arc-shaped and oval-shaped steam inlets 131 are not easy to be completely blocked due to uneven circumferential direction, thereby being beneficial to the passing of the backflow liquid; the round and regular polygonal steam inlet 131 is regular and uniform in shape, so that steam and rice water foam (essentially, a mixed solution formed by dissolving starch in water wraps air) can enter the steam cavity 14, the rice water foam is subjected to the processes of breaking bubbles, partially refluxing and re-foaming, and a good anti-overflow and breaking bubble effect is achieved.
Of course, the shape of the steam inlet 131 is not limited to the above shape, and may be other shapes, such as a diamond shape, a semi-circular shape, etc., which are not listed one by one, since the objectives of the present invention can be achieved without departing from the design concept and spirit of the present invention, therefore, these technical solutions should be all within the scope of the present invention.
Preferably, the cover plate 40 is recessed towards the direction close to the inner pot to form a groove 42, the steam valve 10 is positioned in the groove 42, and the air inlet holes 401 are arranged on the groove bottom wall of the groove 42.
The cover plate 40 is recessed downward to form a groove 42, and the air intake holes 401 are provided on the groove bottom wall of the groove 42. The steam valve 10 is positioned in the groove 42, so that the gap between the bottom of the steam valve 10 and the cover plate 40 is ensured to be larger than 1mm and smaller than 10mm, and when the cover body is covered on the pot body, the whole thickness of the cooking utensil is not influenced.
Preferably, the cover further comprises: the steam valve 10, the cover plate 40 and the sealing ring 50 enclose a backflow cavity 60, the steam inlet 131 is arranged on the part of the steam valve 10 defining the backflow cavity 60, and the air inlet 401 is arranged on the part of the cover plate 40 defining the backflow cavity 60.
Preferably, the steam valve 10 includes a face plate 11, a heat exchange plate 12 and a bottom plate 13 which are sequentially disposed one above another, a heat exchange cavity having an inlet and an outlet communicating with the outside is defined between the face plate 11 and the heat exchange plate 12, a steam cavity 14 is defined between the heat exchange plate 12 and the bottom plate 13, a steam inlet 131 is opened on the bottom plate 13, and the lower surface of the bottom plate is planar.
This application is through having set up heat exchange plate 12, because one side face of heat exchange plate 12 constitutes the partial cavity wall of steam chamber 14, opposite side face and external environment contact, therefore the bubble in the steam chamber 14 can scatter and disappear the external environment with the heat fast through heat exchange plate 12 in, and then realize breaking out fast through quick cooling, thereby the broken bubble efficiency of steam valve 10 has effectively been improved, and can reduce the volume of steam valve 10 under the prerequisite that realizes the same anti-overflow effect, the steam valve 10 of having realized little volume reaches the anti-overflow effect of bulky steam valve 10. As for the specific position of the heat exchange plate 12, there is no limitation, such as an upper plate body of the steam valve 10; it is also possible to arrange a face plate 11 above the heat exchanger plate 12, forming a heat exchange cavity between the face plate 11 and the heat exchanger plate 12, which enhances natural convection and thus further increases the heat exchange rate.
Preferably, the valve body comprises a panel 11, a heat exchange plate 12 and a bottom plate 13 which are sequentially arranged up and down, a heat exchange cavity is defined between the panel 11 and the heat exchange plate 12, and a steam cavity 14 is defined between the heat exchange plate 12 and the bottom plate 13, so that a two-cavity three-layer structure is formed; as mentioned above, the heat exchange cavity has the inlet and the outlet communicated with the outside, so that natural convection can be strengthened, the heat exchange speed is increased, the heat dissipation and cooling effects of the steam valve 10 are further improved, and the bubble breaking efficiency of the steam valve 10 is further improved.
The steam valve comprises a panel 11, a heat exchange plate 12 and a bottom plate 13 which are sequentially arranged up and down, a steam inlet is arranged on the bottom plate, a heat exchange cavity 15 is defined between the panel 11 and the heat exchange plate 12, and a steam cavity 14 is defined between the heat exchange plate 12 and the bottom plate 13, so that a two-cavity three-layer structure is formed; as described above, since the heat exchange cavity 15 has the inlet and the outlet communicated with the outside, natural convection can be strengthened, the heat exchange speed can be increased, the heat dissipation and cooling effect of the steam valve 10 can be further improved, and the bubble breaking efficiency of the steam valve 10 can be further improved. As shown in fig. 1, the steam valve is divided into 2 chambers and 3 layers, a steam chamber 14, a heat exchange chamber 15, a lower layer (i.e., a bottom plate 13), a middle layer (i.e., a heat exchange plate 12), and an upper layer (i.e., a face plate 11). A plurality of steam inlets are arranged on the lower layer of the steam valve; the middle layer has a steam outlet assembly (i.e., a bonnet 20 and a bonnet seal 30); the upper layer has a plurality of heat exchange ports (i.e., two open ends of the heat exchange chamber 15 and the notches 111 in the panel 11).
Further, both ends of the steam chamber 14 in the length direction may be made closed during the molding process; or can be made to be open in the forming process, and the sealing performance of the steam cavity 14 can be realized only by installing two sealing pieces (such as the silica gel sealing block 16) at the two ends of the steam cavity, so that the steam cavity 14 can be conveniently washed only by pulling out the two sealing pieces in the cleaning process.
The lid body still includes the lid body, and apron 40 is located the inboard of lid body, and apron 40 and lid body can dismantle the connection.
The utility model discloses technical scheme of second aspect provides a cooking utensil, include: a pan body including an inner pan; and the cover body can be covered on the pot body in an opening and closing manner.
The utility model discloses technical scheme of second aspect provides cooking utensil because of it includes any above-mentioned technical scheme the lid, therefore have any above-mentioned technical scheme the whole beneficial effect of lid, no longer describe herein.
To sum up, the embodiment of the utility model provides a lid, inlet port 401 distribute in steam valve 10 mount pad within range to with steam inlet 131 dislocation set. And a plurality of air inlets 401 are arranged, so that the steam area can be effectively increased, and the overlarge pressure in the cooking appliance is avoided.
In the description of the present invention, the term "plurality" means two or more unless explicitly stated or limited otherwise; the terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, or an electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A cover plate is characterized in that a cover plate is provided,
the cover plate is provided with a plurality of air inlets, the diameter of the largest circle which can be contained in the air inlets is larger than or equal to 3mm, the axis of the largest circle is parallel to the axis of the air inlets, the cover plate is sunken downwards to form a groove, and the air inlets are arranged on the bottom wall of the groove.
2. The cover sheet according to claim 1,
the diameter of the maximum circle is less than or equal to 5 mm.
3. The cover plate according to claim 1 or 2,
the number of the air inlet holes is not less than 10.
4. The cover plate according to claim 1 or 2,
the hole wall of at least one air inlet hole comprises a curved section.
5. The cover sheet according to claim 4,
the at least one air inlet hole is circular.
6. The cover plate according to claim 1 or 2,
at least one air inlet hole is polygonal.
7. The cover plate according to claim 1 or 2,
the plurality of air inlet holes are uniformly distributed or non-uniformly distributed; and/or the presence of a gas in the gas,
the shapes of the air inlet holes are the same or different; and/or the presence of a gas in the gas,
the sizes of the air inlet holes are the same or different; and/or the presence of a gas in the gas,
the upper surface of the cover plate comprises a first plane part, and the air inlet hole is formed in the first plane part.
8. A cover, comprising:
the cover sheet of any one of claims 1 to 7; and
the steam valve is positioned on one side of the cover plate, which is far away from the inner pot, a steam cavity is arranged in the steam valve, and a steam inlet which is used for communicating the steam cavity with the air inlet hole of the cover plate is arranged on the steam valve.
9. The cover of claim 8,
the steam inlet and the air inlet are arranged in a staggered manner; and/or the presence of a gas in the gas,
the steam inlet is arranged at the bottom of the steam valve, and the air inlet is positioned in the projection area of the steam valve on the cover plate; and/or the presence of a gas in the gas,
the steam valve is provided with a plurality of steam inlets; and/or the presence of a gas in the gas,
a gap is formed between the cover plate and the steam valve, and the gap is larger than 1mm and smaller than or equal to 10 mm; and/or the presence of a gas in the gas,
the bottom of the steam valve includes a second planar portion on which the steam inlet is disposed.
10. The cover of claim 8,
the cover plate is sunken towards the direction close to the inner pot to form a groove, at least part of the steam valve is positioned in the groove, and the air inlet is formed in the groove bottom wall of the groove.
11. The cover of claim 8, further comprising:
the sealing ring is arranged between the steam valve and the cover plate and used for sealing between the steam valve and the cover plate, a backflow cavity is defined by the steam valve, the cover plate and the sealing ring, the steam inlet is formed in the part, defined out of the backflow cavity, of the steam valve, and the air inlet is formed in the part, defined out of the backflow cavity, of the cover plate.
12. The cover according to any one of claims 8 to 11,
the steam valve comprises a heat exchange plate, one side plate surface of the heat exchange plate forms part of the cavity wall of the steam cavity, and the other side plate surface is in contact with the external environment so as to promote the heat dissipation in the steam cavity; and/or the presence of a gas in the gas,
the steam valve includes panel, heat exchange plate and the bottom plate that sets gradually from top to bottom, the panel with inject the heat exchange chamber that has the import that is linked together with the external world and export between the heat exchange plate, the heat exchange plate with inject between the bottom plate the steam chamber, steam inlet sets up on the bottom plate.
13. A cooking appliance, comprising:
a pan body including an inner pan; and
the cover body as claimed in any one of claims 8 to 12, which is openably and closably provided on the pot body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330046.8U CN210930928U (en) | 2018-03-07 | 2018-03-07 | Cover plate, cover body and cooking utensil |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820311627.2U CN208740721U (en) | 2018-03-07 | 2018-03-07 | Cover board, lid and cooking apparatus |
| CN201920330046.8U CN210930928U (en) | 2018-03-07 | 2018-03-07 | Cover plate, cover body and cooking utensil |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820311627.2U Division CN208740721U (en) | 2018-03-07 | 2018-03-07 | Cover board, lid and cooking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210930928U true CN210930928U (en) | 2020-07-07 |
Family
ID=66052024
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820311627.2U Active CN208740721U (en) | 2018-03-07 | 2018-03-07 | Cover board, lid and cooking apparatus |
| CN201920330046.8U Active CN210930928U (en) | 2018-03-07 | 2018-03-07 | Cover plate, cover body and cooking utensil |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820311627.2U Active CN208740721U (en) | 2018-03-07 | 2018-03-07 | Cover board, lid and cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN208740721U (en) |
-
2018
- 2018-03-07 CN CN201820311627.2U patent/CN208740721U/en active Active
- 2018-03-07 CN CN201920330046.8U patent/CN210930928U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN208740721U (en) | 2019-04-16 |
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