CN110946460B - Anti-scalding cooking container and steam heating type electric cooker - Google Patents
Anti-scalding cooking container and steam heating type electric cooker Download PDFInfo
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- CN110946460B CN110946460B CN201811130330.7A CN201811130330A CN110946460B CN 110946460 B CN110946460 B CN 110946460B CN 201811130330 A CN201811130330 A CN 201811130330A CN 110946460 B CN110946460 B CN 110946460B
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- 238000009413 insulation Methods 0.000 claims abstract description 106
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- 239000002184 metal Substances 0.000 claims description 98
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- 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
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
- A47J36/10—Lid-locking devices
-
- 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
- A47J36/24—Warming devices
-
- 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
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The invention discloses an anti-scald cooking container and a steam heating type electric cooker, belongs to the field of cooking appliances, and solves the problem of poor heat insulation effect of the handle of the existing cooking container. By adopting the scheme of the invention, the surface of the handle can still keep a lower temperature even if the handle is cooked for a long time, so that the anti-scalding handle has a better anti-scalding effect, and meanwhile, the installation reliability and holding stability of the handle are also ensured.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of cooking appliances, in particular to an anti-scalding cooking container and a steam heating type electric cooker.
[ background of the invention ]
Be equipped with the interior pot that can freely get and put among the culinary art utensils such as electric rice cooker, electric pressure cooker on the market, heat interior pot through the heating device in the pot body, when the culinary art is accomplished and is taken out interior pot from the pot body, because the temperature of interior pot is very high, can't directly take with the hand, set up a pair of handle on the pot usually for this reason to in the convenience pot get put and have scald-proof effect concurrently. According to present handle mounting structure, on the handle passes through the fastener lock of screw class and attaches to interior pot, pot direct contact in with after the handle installation, even if adopt the handle of preventing scalding the plastics material, the heat accumulation also can lead to the handle high temperature after long-time culinary art, simultaneously, high temperature still leads to handle heat altered shape easily and reduces the installation firmness of handle and the user hold the stationarity when holding interior pot.
[ summary of the invention ]
The invention aims to solve the technical problem of providing an anti-scald cooking container, optimizing the anti-scald design of a handle and improving the use experience by overcoming the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
prevent scalding culinary art container, including vessel and lid, the detachable lid of lid fits on the vessel, be equipped with the steam injection mouth on the lid, the vessel include the metal container and install heat insulating ring on the metal container, heat insulating ring has certainly the guard portion that metal container mouth of a river portion downwardly extending formed, be equipped with the handle on the guard portion.
In the above anti-scald cooking container, the metal container includes an outer container body, an inner container body and a connecting portion, the mouth of the outer container body and the mouth of the inner container body are connected through the connecting portion to form a closed heat insulation cavity in the metal container, the protective portion extends downwards from the connecting portion, and the outer container body covers a part of the protective portion, which occupies 1/5-1/2 of the total height of the outer container body.
In the above anti-scald cooking container, the upper portion of the outer container body is provided with a mounting ring formed by inward shrinkage, the heat insulation ring is sleeved outside the mounting ring, and the outer surface of the heat insulation ring is flush with the outer surface of the lower portion of the outer container body or forms a continuous transition surface.
In foretell prevent scalding culinary art container, the interior periphery side of protection part is equipped with the arch of continuous or intermittent type distribution, be equipped with ring groove along circumference on the collar, protruding card is gone into in the ring groove, so that thermal-insulated ring is fixed to on the collar.
In the scald-proof cooking container, the container body further comprises an inner pot accommodated in the metal liner, an interlayer for steam circulation is formed between the inner pot and the metal liner, the cover body is provided with a first sealing ring, and the cover body is matched with the heat insulation ring so that the first sealing ring is attached to the metal liner to form sealing.
In foretell prevent scalding culinary art container, heat insulating ring upper portion is equipped with spacing step along circumference, the lid is equipped with spacing boss along circumference, spacing boss with spacing step cooperatees.
In the scald-proof cooking container, a second sealing ring is clamped between the metal liner and the heat insulation ring.
In foretell prevent scalding culinary art container, the second sealing washer is including the first sealing of the shape of falling U, be equipped with the annular groove on the heat insulating ring, the metal container upper surface upwards extends annular protruding muscle, annular protruding muscle with first sealing compress tightly in the annular groove.
In the above scald-proof cooking container, the second sealing ring further includes a second sealing portion extending from the bottom of the first sealing portion to the center direction of the heat insulation ring, and the heat insulation ring presses the second sealing portion to the upper surface of the metal liner.
The invention also provides a steam heating type electric rice cooker which comprises a cooker body and the anti-scald cooking container in any technical scheme, wherein a bearing table is arranged on one side of the cooker body, and the anti-scald cooking container can be placed on the bearing table in a picking and placing mode.
The invention has the beneficial effects that:
the heat insulation ring is arranged on the metal liner, the heat insulation ring is made of heat insulation materials, the heat insulation ring has good heat resistance, the heat of the metal liner is greatly attenuated in the process of transferring the heat to the heat insulation ring, and a user cannot have obvious hot hand feeling even touching the heat insulation ring. Compared with the prior art, the cooking container is convenient to take and place and hold by a user due to the fact that the protective portion extends downwards from the opening of the metal container and is provided with the handle, the handle is not in direct contact with the metal container, the protective portion is arranged between the metal container and the metal container, a heat transfer path is prolonged by the protective portion, heat transfer of the metal container to the handle is reduced, heat accumulation of the handle is delayed, the surface area of the heat insulation ring is far larger than that of the handle, and heat accumulated on the protective portion is uniformly distributed and cannot be concentrated at the joint of the handle in the cooking process. In the prior art, the installation of the handle on the metal pot liner requires the metal pot liner to be reserved with a handle installation structure, such as a riveting hole, a screw connecting hole and the like.
The metal container comprises an outer container body, an inner container body and a connecting portion, wherein the opening of the outer container body and the opening of the inner container body are connected through the connecting portion to form a closed heat insulation cavity in the metal container, the protective portion extends downwards from the connecting portion, and the height of the covered portion of the protective portion of the outer container body accounts for 1/5-1/2 of the total height of the outer container body. The anti-scald cooking container is used for steam heating, namely steam is introduced into the container body through the steam injection port on the cover body and is used for directly or indirectly heating food, wherein the inner liner body can be directly contacted with the steam to generate heat exchange, so that the temperature of the inner liner body is higher, but a closed heat insulation cavity is formed between the outer liner body and the inner liner body, so that the further transmission of heat to the outer liner body is blocked, and the temperature rise of the outer liner body is effectively inhibited; meanwhile, because the density of the hot steam is much lower than that of the air, a large amount of steam is collected in the upper area of the metal liner close to the mouth part, the mouth of the outer liner body is connected with the mouth of the inner liner body through the connecting part, and the steam heat can be transferred to the upper part of the outer liner body along the connecting part, so that the upper part and the lower part of the outer liner body have obvious temperature difference, namely, the temperature of the upper part of the outer liner body is far higher than that of the lower part of the outer liner body, and a user is easily scalded when contacting the upper part of the outer liner body without any protection, in this case, the handle is directly disposed on the outer liner, which does not solve the problem, so that, in the technical scheme of the present invention, the heat insulation ring is provided with a protective part which extends downwards from the connecting part, so that the protective part can cover the upper part of the outer liner body from the connecting part, therefore, the problem that the user is scalded when contacting the upper part of the outer liner body and the mouth part of the outer liner body during use can be avoided; the container body of design like this, protection part and outer courage body lower part can both keep relatively lower temperature, promote the holistic effect of preventing scalding of container body, need not to protect outer courage body wholly to the reduction prevents scalding the design cost.
According to above-mentioned metal container structure can know, by outer courage body upper portion to outer courage body lower part, the temperature is degressive change, the regional temperature that is close to outer courage body oral area is higher relatively, if the part that outer courage body covered by the guard portion is too few, the high temperature part on outer courage body upper portion still exposes outside, there is the scald risk, and can lead to the handle installation space too few, be unfavorable for setting up the handle, also discover through in-service use, outer courage body from top to bottom is less at the temperature variation in its height 1/5 ~ 1/2 region, this regional scald risk is less, therefore, highly accounting for outer courage body total height 1/5 ~ 1/2 of outer courage body is covered by the guard portion to the injecing outer courage body, need not set up too much guard portion when guaranteeing to prevent scalding the effect, in order to reduce thermal-insulated ring cost.
The upper part of the outer liner body is provided with a mounting ring formed by inward contraction, the heat insulation ring is sleeved outside the mounting ring, and the outer surface of the heat insulation ring is flush with the outer surface of the lower part of the outer liner body or forms a continuous transition surface. The installation ring is arranged, so that the heat insulation ring can be nested at the upper part of the outer liner body, and the installation and fixation of the heat insulation ring are convenient; the installation ring contracts and can form transition steps between the lower part of the outer container body, the transition steps are abutted to the bottom of the protection part, the installation of the heat insulation ring in the height direction is limited, the heat insulation ring is supported, the outer surface of the heat insulation ring is kept flush with the outer surface of the lower part of the outer container body or a continuous transition surface is formed, and the smoothness and the attractiveness of the outer surface of the container body are kept.
The inner periphery side of protection part is equipped with the arch of continuous or intermittent distribution, be equipped with ring groove along circumference on the collar, protruding card is gone into in the ring groove, so that thermal-insulated ring is fixed to on the collar. The assembling mode realizes the screw-free installation of the heat insulation ring and the outer liner body, reduces the assembling time and cost, does not need to carry out the process treatments of punching, welding, bonding and the like on the outer liner body and the protective part, and ensures the forming quality and the appearance modeling of the outer liner body and the heat insulation ring to the maximum extent.
The container body further comprises an inner pot accommodated in the metal liner, an interlayer for steam circulation is formed between the inner pot and the metal liner, a first sealing ring is arranged on the cover body, and the cover body is matched with the heat insulation ring so that the first sealing ring is attached to the metal liner to form sealing. The steam introduced through the steam injection port is guided into the interlayer, the steam can quickly fill the whole interlayer, so that the temperature of the side part and the bottom of the inner pot is uniform, the multidirectional uniform heating of the inner pot is realized, the heating efficiency can be improved, and the problems of food scorching and the like caused by local high temperature can be avoided; in view of this kind of heating methods, if lack effective reliable sealed between metal courage and the lid, then steam reveals easily, has reduced steam utilization ratio and steam cooking effect thereof, to split type cooking container, closes the lid in-process, and the cooperation precision of lid and vessel directly influences the sealing reliability between metal courage and the lid. Therefore, the invention adopts the mode that the cover body is matched with the heat insulation ring to ensure the matching precision of the cover body and the container body, namely, the heat insulation ring is used for limiting the covering position of the cover body in the covering process of the cooking container, and the heat insulation ring is arranged on the metal liner, namely, the relative position of the cover body and the metal liner is limited, thereby ensuring that the first sealing ring is reliably attached to the metal liner after the covering is carried out, and realizing the effective and reliable sealing between the metal liner and the cover body.
The upper portion of the heat insulation ring is provided with a limiting step along the circumferential direction, the cover body is provided with a limiting boss along the circumferential direction, and the limiting boss is matched with the limiting step. Close the lid in-process, the horizontal step face and the spacing boss of spacing step offset, the stationarity of lid after having guaranteed to close the lid, make the whole week of first sealing washer paste and lean on the metal container, the vertical step face and the spacing boss cooperation of spacing step play the effect of radial spacing lid, the relative position of lid and metal container after having guaranteed to close the lid can make the whole week of first sealing washer evenly laminate to outer courage body on, avoided the lid skew to lead to first sealing washer and the local laminating of metal container not tight and the problem of gas leakage appears.
And a second sealing ring is clamped between the metal liner and the heat insulation ring. The setting of second sealing washer can strengthen the leakproofness of metal courage and thermal-insulated ring cooperation department on the one hand, prevents liquid, the outside seepage of steam from the two fit clearance, and on the other hand can effectively prevent behind the centre gripping second sealing washer between metal courage and the thermal-insulated ring not hard up of thermal-insulated ring, has improved the assembly stability of thermal-insulated ring.
The second sealing ring comprises a first sealing portion in an inverted U shape, an annular groove is formed in the heat insulation ring, an annular convex rib extends upwards from the upper surface of the metal container, and the first sealing portion is tightly pressed in the annular groove by the annular convex rib. The first sealing portion and the annular convex rib of U-shaped are matched, the contact area of the annular convex rib and the second sealing ring is increased, the clamping and fixing effect of the second sealing ring can be improved, multiple sealing is formed between the metal container and the heat insulation ring, and the sealing effect is improved.
The second sealing ring further comprises a second sealing part extending from the bottom of the first sealing part to the center direction of the heat insulation ring, and the heat insulation ring compresses the second sealing part on the upper surface of the metal liner. The second sealing part is pressed on the upper surface of the metal liner through the heat insulation ring, and a double seal is added on the basis of the first sealing part, so that the sealing effect between the metal liner and the heat insulation ring is further improved; the first sealing part and the second sealing part are connected with each other, and the second sealing part is pressed on the upper surface of the metal liner by the heat insulation ring, so that the vertical displacement of the second sealing ring after being installed is limited, and the vertical movement of the second sealing ring after being installed is prevented; the second sealing ring designed in this way further reduces the contact area between the heat insulation ring and the metal liner, thereby weakening the heat transfer of the metal liner to the heat insulation ring, better inhibiting the temperature rise of the heat insulation ring, reducing the thermal deformation of the heat insulation ring and ensuring the matching precision of the heat insulation ring and the cover body.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described below with reference to the accompanying drawings:
fig. 1 is a schematic perspective view of a cooking container according to a first embodiment of the present invention;
FIG. 2 is an exploded view of a cooking vessel according to one embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a cooking vessel according to an embodiment of the invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a cooking container according to a second embodiment of the present invention;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
FIG. 7 is a schematic view of the thermal isolation ring and the cover of the second embodiment of the present invention;
FIG. 8 is a schematic view of a steam heating type electric rice cooker according to a third embodiment of the present invention.
Reference numerals:
100 a container body;
110 metal container, 111 outer container body, 112 inner container body, 113 heat insulation cavity, 114 mounting ring, 115 annular clamping groove, 116 connecting part, 117 transition step, 118 annular convex rib, 120 heat insulation ring, 121 protection part, 122 handle, 123 protrusion, 124 vertical step surface, 125 horizontal step surface, 126 annular groove, 127 locking groove, 130 inner pot, 140 interlayer;
200 cover, 210 top cover, 220 inner cover, 230 steam injection port;
300 a first seal ring;
400 second seal ring, 410 first seal portion, 420 second seal portion;
500 lock catches, 510 lock tongues, 520 unlocking handles;
600 pot body, 610 plummer.
[ detailed description ] embodiments
The invention provides an anti-scald cooking container which comprises a container body and a cover body, wherein the cover body is detachably covered on the container body, a steam injection port is formed in the cover body, the container body comprises a metal container and a heat insulation ring installed on the metal container, the heat insulation ring is provided with a protection part formed by extending downwards from the opening part of the metal container, and a handle is arranged on the protection part. The heat insulation ring is arranged on the metal liner, the heat insulation ring is made of heat insulation materials, the heat insulation ring has good heat resistance, the heat of the metal liner is greatly attenuated in the process of transferring the heat insulation ring, and a user can not have obvious hot hand feeling even touching the heat insulation ring. Compared with the prior art, the cooking container is convenient to take and place and hold by a user due to the fact that the protective portion extends downwards from the opening of the metal container and is provided with the handle, the handle is not in direct contact with the metal container, the protective portion is arranged between the metal container and the metal container, a heat transfer path is prolonged by the protective portion, heat transfer of the metal container to the handle is reduced, heat accumulation of the handle is delayed, the surface area of the heat insulation ring is far larger than that of the handle, and heat accumulated on the protective portion is uniformly distributed and cannot be concentrated at the joint of the handle in the cooking process. In the prior art, the installation of the handle on the metal pot liner requires the metal pot liner to be reserved with a handle installation structure, such as a riveting hole, a screw connecting hole and the like.
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
Referring to fig. 1 to 4, a scald-proof cooking container according to an embodiment of the present invention includes a container body 100 and a cover 200, the cover 200 is provided with a steam injection port 230, the cover 200 is detachably covered on the container body 100 to form a cooking cavity, the container body 100 includes a metal container 110, a heat insulation ring 120 and an inner pot 130, the metal container 110 includes an outer container 111, an inner container 112 and a connecting portion 116, a mouth portion of the outer container 111 and a mouth portion of the inner container 112 are connected by the connecting portion 116 to form a closed heat insulation cavity 113 in the metal container 110, and the heat insulation cavity 113 may be in a vacuum or semi-vacuum state to improve a heat insulation effect of the heat insulation cavity 113. The inner pot 130 is accommodated in the inner container body 112 of the metal container 110, an interlayer 140 for steam circulation is formed between the inner pot 130 and the inner container body 112 of the metal container 110, a first sealing ring 300 is arranged on the cover body 200, the first sealing ring 300 is attached to the connecting part 116 and/or the inner container body 112 to form a seal in a state that the cover body 200 is covered on the container body 100, steam can be selectively introduced into the cooking cavity or the interlayer 140 through the steam injection port 230 in a cooking process, different steam flowing modes can realize different cooking functions, for example, steam is introduced into the interlayer 140 in a cooking function, steam can quickly fill the whole interlayer 140, the temperature of the side part and the bottom part of the inner pot 130 is uniform, multidirectional uniform heating of the inner pot 130 is realized, not only can the heating efficiency be improved, but also the problems of food scorching caused by local high temperature can be avoided; the porridge cooking function is to directly introduce steam into rice grains in the cooking cavity, so that the rice porridge can be kept boiling continuously without overflowing, the porridge cooking time is shortened, and the cooking quality of the rice porridge is improved.
In the cooking process, the inner liner body 112 of the metal liner 110 can directly contact with steam to generate heat exchange, so that the temperature of the inner liner body 112 is relatively high, but because a closed heat insulation cavity 113 is arranged between the outer liner body 111 and the inner liner body 112, further transmission of heat to the outer liner body 111 is hindered, and temperature rise of the outer liner body 111 is effectively inhibited, but because the density of hot steam is much lower than that of air, a large amount of steam is collected in an upper region of the metal liner 110 close to the mouth, and the mouth of the outer liner body 111 is connected with the mouth of the inner liner body 112 through a connecting part 116, steam heat can be transmitted to the upper part of the outer liner body 111 along the connecting part 116, so that an obvious temperature difference exists between the upper part of the outer liner body 111, namely the temperature of the upper part of the outer liner body 111 is far higher than that of the lower part of the outer liner body 111, and a user can be easily scalded when contacting the upper part of the outer liner body 111 without any protection, in this case, the problem cannot be solved by directly providing the handle on the outer liner 111, so that the embodiment of the present invention provides the heat insulating ring 120 on the metal liner 110, the heat insulating ring 120 has the protective part 121 formed by extending downward from the connecting part 116, and the handle 122 is provided outside the protective part 121, so that the protective part 121 provided in this way can cover the upper part of the outer liner 111 from the connecting part 116, thereby avoiding the problem that the user is scalded by contacting the upper part of the outer liner 111 and the mouth thereof when using the device; the vessel of design like this, protection part 121 and outer courage body 111 lower part can both keep relatively lower temperature, promote the holistic effect of preventing scalding of vessel, need not to protect outer courage body 111 wholly to the reduction prevents scalding the design cost.
In this embodiment, the height of the portion of the outer liner 111 covered by the protective portion 121 accounts for 1/5-1/2 of the total height of the outer liner 111, and the structure of the metal liner 110 of this embodiment shows that: the temperature is gradually decreased from the upper part of the outer liner body 111 to the lower part of the outer liner body 111, the temperature of the area close to the mouth of the outer liner body 111 is relatively higher, if the part of the outer-layer liner body 111 covered by the protection part 121 is too small, the high-temperature part of the upper part of the outer-layer liner body 111 is still exposed outside, so that the scald risk exists, in addition, the installation space of the handle 122 is too small, which is not beneficial to installing the handle 122, and the practical use also shows that the temperature change of the outer liner 111 from top to bottom in the height 1/5-1/2 area is small, the scalding risk in the area is less, therefore, the height of the part, covered by the protective part 121, of the outer layer gallbladder body 111 accounts for 1/5-1/2 of the total height of the outer layer gallbladder body 111, and is optimally 1/3 of the total height of the outer layer gallbladder body 111, the anti-scalding effect is guaranteed, and meanwhile the excessive protection part 121 is not needed to be arranged, so that the cost of the heat insulation ring 120 is reduced.
In order to realize the assembly of the heat insulation ring 120 and the outer container body 111, the upper portion of the outer container body 111 of the embodiment has an inwardly contracted mounting ring 114, a transition step 117 is formed between the mounting ring 114 formed by contraction and the lower portion of the outer container body 111, so that the heat insulation ring 120 can be nested on the upper portion of the outer container body 111, the heat insulation ring 120 is convenient to mount and fix, the transition step 117 abuts against the bottom of the heat insulation ring 120, the heat insulation ring 120 can be mounted and limited in the height direction and supports the heat insulation ring 120, and after the heat insulation ring 120 is mounted, the outer surface of the heat insulation ring 120 can be kept flush with the outer surface of the lower portion of the outer container body 111 or form a continuous transition surface, so as to keep the outer surface of the container body smooth and beautiful. Preferably: the installation ring 114 of the embodiment is provided with multiple steps along the height direction thereof, so that the structural strength of the installation ring 114 can be improved, and the contact area between the installation ring 114 and the heat insulation ring 120 can be reduced, thereby being beneficial to reducing the heat transfer from the outer liner 111 to the heat insulation ring 120.
In order to fix the heat insulation ring 120, in the embodiment, a plurality of protrusions 123 are intermittently distributed on the inner circumferential side of the protection part 121, the mounting ring 114 is provided with an annular clamping groove 115 along the circumferential direction, and the protrusions 123 are clamped in the annular clamping groove 115, so that the heat insulation ring 120 is fixed on the mounting ring 114, the assembly mode realizes the screw-free installation of the heat insulation ring 120 and the outer liner body 111, the heat insulation ring 120 and the outer liner body 111 do not need to be assembled at a specific angle, the assembly difficulty is reduced, and the assembly time and the assembly cost are reduced; the assembly mode does not need to carry out the process treatments of punching, welding, bonding and the like on the outer-layer liner body 111 and the heat insulation ring 120, and ensures the forming quality and the appearance modeling of the outer-layer liner body 111 and the heat insulation ring 120 to the maximum extent. In other embodiments, the inner circumference of the protection part may also be provided with a whole circle of protrusions to improve the connection strength.
In this embodiment, the handle 122 and the protection portion 121 are formed by injection molding into an integral structure, that is, the heat insulation ring 120 and the handle 122 are formed as an integral plastic part, so that the process of separately installing the handle 122 can be omitted, the assembly cost and time can be saved, the heat insulation ring 120 and the handle 122 made of plastic not only take the cost and the heat insulation effect into consideration, but also facilitate the processing of the heat insulation ring 120. In other embodiments, the heat-insulating ring and the handle can also be made of heat-insulating materials with relatively low heat-conducting property, such as resin, ceramics and the like; and, heat insulating ring and handle also can adopt the components of a whole that can function independently design, and the handle passes through on the mode such as screw connection, rivet connection fixes to the guard portion of heat insulating ring, and heat insulating ring and handle can adopt different materials to make like this, for example heat insulating ring material satisfies basic thermal-insulated and with the requirement of metal container joint strength, and the handle material can satisfy thermal-insulated, hold higher requirements such as comfort level.
Example two
Referring to fig. 5 and 6, in the embodiment, the sealing engagement structure between the cover body 200 and the container body 100 is optimized based on the first embodiment, and the cover body 200 is engaged with the heat insulation ring 120, so that the cover body 200 is accurately covered on the container body 100, and the first sealing ring 300 is ensured to be reliably attached to the metal container 110, thereby achieving effective and reliable sealing between the metal container 110 and the cover body 200. Specifically, the method comprises the following steps: the cap body 200 of the present embodiment includes an upper cap 210 and an inner cap 220, the upper cap 210 is made of plastic, the inner cap 220 is installed inside the upper cap 210, and the first sealing ring 300 is installed on the periphery of the inner cap 220. In the process of closing the cover, the upper cover 210 and the heat insulation ring 120 are matched with each other, the closing position of the upper cover 210 is limited by the heat insulation ring 120, the heat insulation ring 120 is sleeved on the outer liner body 111 of the metal liner, the positions of the outer liner body 111 and the inner liner body 112 are relatively fixed, the inner cover 220 is fixed on the upper cover 210, that is, the relative position of the inner cover 220 and the inner liner body 112 is limited, so that the first sealing ring 300 is reliably attached to the connecting part 116 and/or the inner liner body 112 to form sealing after closing the cover.
The matching method adopted by the embodiment is that the upper part of the heat insulation ring 120 is circumferentially provided with a limiting step, the upper cover 210 is circumferentially provided with a limiting boss 211, and the limiting boss 211 is matched with the limiting step. In the process of closing the cover, the horizontal step surface 125 of the limiting step is abutted against the limiting boss 211, so that the stability of the cover body 200 after closing the cover is ensured, the whole periphery of the first sealing ring 300 is attached to the connecting part 116 and/or the inner container body 112, the vertical step surface 124 of the limiting step is matched with the limiting boss 211 to play a role of radial limiting the cover body 200, the relative position of the cover body 200 and the inner container body 112 after closing the cover can realize that the whole periphery of the first sealing ring 300 is uniformly attached to the connecting part 116 and/or the inner container body 112, and the problem of air leakage caused by the fact that the first sealing ring 300 is partially attached loosely due to the deviation of the cover body 200 is avoided. Because the upper cover 210 and the heat insulation ring 120 are made of plastic materials, and the machining dimensional accuracy of the upper cover 210 and the heat insulation ring 120 can better meet the process requirements, the upper cover and the heat insulation ring can achieve higher matching accuracy in the cover closing process, so that the sealing effect between the cover body 200 and the metal liner 110 is ensured.
Because the metal liner 110 and the heat insulation ring 120 are assembled separately, the second sealing ring 400 is clamped between the metal liner 110 and the heat insulation ring 120, and the second sealing ring 400 can enhance the sealing performance of the matching part of the metal liner 110 and the heat insulation ring 120 and prevent liquid and steam from leaking outwards from the matching gap between the metal liner 110 and the heat insulation ring 120; after the second sealing ring 400 is clamped between the metal liner 110 and the heat insulation ring 120, the looseness of the heat insulation ring 120 can be effectively prevented, and the assembly stability of the heat insulation ring 120 is improved. Specifically, the method comprises the following steps: the second sealing ring 400 of this embodiment includes a first sealing portion 410 in an inverted U shape, an annular groove 126 is formed on the heat insulating ring 120, an annular rib 118 extends upward from the upper surface of the connecting portion 116 of the metal bladder 110, and the annular rib 118 compresses the first sealing portion 410 in the annular groove 126. The first sealing portion 410 of the shape of the inverted U can wrap the whole annular convex rib 118, and the contact area between the annular convex rib 118 and the second sealing ring 400 is increased, so that the clamping and fixing effect of the second sealing ring 400 can be improved, multiple sealing is formed between the metal liner 110 and the heat insulation ring 120, and the sealing effect is improved. Further: the second seal ring 400 further includes a second sealing portion 420 extending from the bottom of the first sealing portion 410 toward the center of the heat insulating ring 120, and the heat insulating ring 120 presses the second sealing portion 420 against the upper surface of the connecting portion 116. The second sealing part 420 is pressed on the upper surface of the connecting part 116 through the heat insulation ring 120, and a double seal is added on the basis of the first sealing part 410, so that the sealing effect between the metal liner 110 and the heat insulation ring 120 is further improved; the first sealing part 410 and the second sealing part 420 are connected with each other, and since the second sealing part 420 is pressed against the upper surface of the connecting part 116 by the heat insulating ring 120, the up-and-down displacement of the second sealing ring 400 after installation is limited, and the up-and-down movement of the second sealing ring 400 after installation is prevented; the second sealing ring 400 designed in this way further reduces the contact area between the heat insulating ring 120 and the metal container 110, so as to weaken the heat transfer of the metal container 110 to the heat insulating ring 120, and better suppress the temperature rise of the heat insulating ring 120, thereby reducing the thermal deformation of the heat insulating ring 120 and ensuring the matching precision of the heat insulating ring 120 and the upper cover 210.
Referring to fig. 7, the upper cover 210 of this embodiment is provided with a latch 500 capable of sliding linearly in the radial direction of the cover 200, the heat insulating ring 120 is provided with a latch groove 127, the radially outer end of the latch 500 forms a latch 510 for inserting the latch groove 127, the radially inner end of the latch 500 is provided with an unlocking handle 520, and the unlocking handle 520 is exposed outside the upper cover 210. When the cover body 200 is covered on the container body 100, the bolt 510 of the lock catch 500 is inserted into the lock catch groove 127 of the heat insulation ring 120, so that the cover body 200 can be locked on the container body 100, and the cover body 200 is prevented from slipping off from the pot liner when the cooking container is taken, put and moved, thereby ensuring the use safety; the cover 200 is locked on the container body 100, so that the first sealing ring 300 can be always attached to the metal container 110 during the cooking process, thereby ensuring the sealing reliability. When the cover is opened, the unlocking handle 520 is pressed towards the center direction of the cover body 200, so that the bolt 510 is separated from the lock catch groove 127, and the cover body 200 can be taken down, thereby being convenient to operate and convenient for users to use.
EXAMPLE III
Referring to fig. 8, the present embodiment provides a steam heating type electric rice cooker, which includes a cooker body 600 and the scald-proof cooking container described in any of the above embodiments, wherein a carrying platform 610 extends outwards from one side of the cooker body 600, the cooking container is detachably disposed on the carrying platform 610, a steam generator is disposed in the cooker body 600, and when the electric rice cooker cooks rice and porridge, high-temperature steam generated by the steam generator is introduced into the container body through a steam injection port on the cover. Of course, the cooking container of the first embodiment can be applied to other existing steam heating type electric rice cookers besides the steam heating type electric rice cooker of the first embodiment.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (8)
1. The anti-scalding cooking container is characterized in that the container body comprises a metal container and a heat insulation ring arranged on the metal container, the heat insulation ring is provided with a protection part formed by extending downwards from an opening of the metal container, a handle is arranged on the protection part, and the height of the part, covered by the protection part, of the metal container accounts for 1/5-1/2 of the total height of the metal container;
a second sealing ring is clamped between the metal liner and the heat insulation ring; the second sealing ring comprises a first sealing portion in an inverted U shape, an annular groove is formed in the heat insulation ring, an annular convex rib extends upwards from the upper surface of the metal container, and the first sealing portion is tightly pressed in the annular groove by the annular convex rib.
2. An anti-scald cooking container as claimed in claim 1, wherein the metal container comprises an outer container body, an inner container body and a connecting portion, the mouth portion of the outer container body and the mouth portion of the inner container body are connected through the connecting portion to form a closed heat insulation cavity in the metal container, the protective portion extends downwards from the connecting portion, and the height of the covered portion of the outer container body is 1/5-1/2 of the total height of the outer container body.
3. An anti-scald cooking container as claimed in claim 2, wherein the upper portion of the outer container has a mounting ring formed by shrinking inward, the heat insulating ring is fitted around the outside of the mounting ring, and the outer surface of the heat insulating ring is flush with or forms a continuous transition surface with the outer surface of the lower portion of the outer container.
4. An anti-scald cooking container as claimed in claim 3, wherein the inner periphery of the protecting portion is provided with continuous or intermittent protrusions, the mounting ring is provided with annular clamping grooves along the circumferential direction, and the protrusions are clamped in the annular clamping grooves, so that the heat insulation ring is fixed on the mounting ring.
5. An anti-scald cooking container as claimed in any one of claims 1 to 4, wherein the container body further comprises an inner pot accommodated in the metal container, an interlayer for steam circulation is formed between the inner pot and the metal container, the cover body is provided with a first sealing ring, and the cover body is matched with the heat insulating ring, so that the first sealing ring abuts against the metal container to form a seal.
6. An anti-scald cooking container as claimed in claim 5, wherein the upper portion of the heat insulating ring is circumferentially provided with a limiting step, and the lid body is circumferentially provided with a limiting boss, and the limiting boss is engaged with the limiting step.
7. An anti-scald cooking container as claimed in claim 1, wherein the second sealing ring further comprises a second sealing portion extending from a bottom of the first sealing portion toward a center of the heat insulating ring, and the heat insulating ring presses the second sealing portion against the upper surface of the metal container.
8. Steam heating type electric rice cooker, characterized in that, comprising a cooker body and the scald-proof cooking container of one of claims 1 to 7, one side of the cooker body is provided with a bearing platform, and the scald-proof cooking container can be put on the bearing platform in a picking and placing way.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811130330.7A CN110946460B (en) | 2018-09-27 | 2018-09-27 | Anti-scalding cooking container and steam heating type electric cooker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811130330.7A CN110946460B (en) | 2018-09-27 | 2018-09-27 | Anti-scalding cooking container and steam heating type electric cooker |
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| CN110946460B true CN110946460B (en) | 2021-10-08 |
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| CN112294134A (en) * | 2020-11-06 | 2021-02-02 | 健仕(宁波)智能电器制造有限公司 | Smokeless air fryer with heat dissipation protection network |
| US20230255408A1 (en) * | 2022-02-17 | 2023-08-17 | Jesse Chow | Food processing apparatus as well as its container cover and its container |
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| CN206761409U (en) * | 2016-12-30 | 2017-12-19 | 浙江绍兴苏泊尔生活电器有限公司 | Electric pressure cooker |
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| JPH0923973A (en) * | 1995-07-11 | 1997-01-28 | Kiriyama Kogyo Kk | Cooking pot |
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