CN110192767B - Lid and cooking utensil - Google Patents
Lid and cooking utensil Download PDFInfo
- Publication number
- CN110192767B CN110192767B CN201810157124.9A CN201810157124A CN110192767B CN 110192767 B CN110192767 B CN 110192767B CN 201810157124 A CN201810157124 A CN 201810157124A CN 110192767 B CN110192767 B CN 110192767B
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- Prior art keywords
- cover
- cover plate
- plate assembly
- lock catch
- mounting groove
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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
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
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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
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0804—Locking devices
- A47J27/0806—Locking devices of the bayonet-type
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention provides a cover body and a cooking appliance. The lock catch can be rotatably arranged on the inner cover; the cover plate assembly is arranged on the inner side of the inner cover and can move towards the inner cover, the cover plate assembly can drive the lock catch to move towards the inner cover, the cover plate assembly comprises a cover plate and a sealing ring, and the sealing ring is connected onto the cover plate; the elastomeric member is supported between the cover plate assembly and the inner cap and is compressed as the cover plate assembly moves toward the inner cap. According to the cover body provided by the invention, when the atmospheric pressure in the cooking cavity is reached, the cover plate and the lock catch fall down, and the lock catch fastening tooth and the pot body fastening tooth are loosened, so that the lock catch can easily rotate relative to the inner cover, and the cover opening of the cooking appliance is realized.
Description
Technical Field
The present invention relates to the field of kitchen utensils, and more particularly, to a cover and a cooking appliance including the same.
Background
In the existing cooking utensil such as a pressure cooker, after the pressure in an inner pot is reduced, a sealing ring expands at high temperature, so that the sealing ring is tightly attached to the side wall of the inner pot. The tighter the joint between the sealing ring and the inner pot is, the larger the friction force between the sealing ring and the inner pot is. After the pressure in the inner pot is reduced, because the sealing ring is still in an expansion state, the cover plate cannot fall down quickly due to the friction force between the sealing ring and the inner pot, the locking buckle teeth and the pot body buckle teeth cannot be loosened, the locking buckle cannot easily rotate, and therefore the pressure pot cannot be opened quickly.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, an object of one aspect of the present invention is to provide a cover.
Another aspect of the present invention is to provide a cooking appliance including the above cover.
To achieve the above object, an embodiment of an aspect of the present invention provides a cover including: an inner cover; the lock catch is rotatably arranged on the inner cover and is used for enabling the cover body to be buckled with or separated from the pot body; the cover plate assembly is arranged on the inner side of the inner cover and can move towards the inner cover, the cover plate assembly can drive the lock catch to move towards the inner cover, the cover plate assembly comprises a cover plate and a sealing ring, and the sealing ring is connected to the cover plate; a resilient member supported between the cover plate assembly and the inner cover and compressed when the cover plate assembly is moved toward the inner cover; and the rotating hand is connected with the lock catch and can drive the lock catch to rotate relative to the inner cover by rotating the rotating hand.
In the lid body according to the above-mentioned embodiment of the present invention, the lock catch is connected to the inner lid and can rotate relative to the inner lid, so that the lid body and the pot body are locked or released, specifically, when the lock catch rotates to a position where the lock catch tooth is locked with the pot body tooth, the lid body and the pot body are locked, and when the lock catch rotates to a position where the lock catch tooth is separated from the pot body tooth, the lid body and the pot body are released.
When the pressure in the cooker rises, the cover plate assembly including the cover plate and the sealing ring is jacked up by the pressure in the cooker, so that the cover plate assembly moves towards the inner cover and drives the lock catch to move towards the inner cover, the lock catch fastening teeth are tightly fastened with the cooker body fastening teeth, the lock catch cannot easily rotate relative to the inner cover, meanwhile, when the cover plate assembly moves towards the inner cover, the cover plate assembly drives the elastic piece to elastically deform, the specific elastic piece is compressed, therefore, the elastic piece has elastic force opposite to the movement direction of the cover plate assembly towards the inner cover, when the pressure in the cooker is reduced to preset pressure, the cover plate assembly moves towards the direction far away from the inner cover under the action force of the elastic force exerted on the cover plate assembly by the self gravity and the elastic piece, meanwhile, the lock catch is driven to move towards the direction far away from the inner cover, so that the fastening teeth of the lock catch and the fastening, thereby realizing the quick uncovering of the pressure cooker.
In addition, the cover provided by the above embodiment of the present invention further has the following additional technical features:
in the above technical solution, preferably, the cover plate assembly can move up and down relative to the inner cover, and drive the lock catch to move up and down relative to the inner cover.
The sealing ring is fixed on the cover plate, preferably, the sealing ring sleeve is arranged on the outer side of the cover plate, the cover plate cover is arranged above the inner pot, the sealing ring abuts against the side wall of the opening above the inner pot, the lock catch rotates for a certain angle relative to the inner cover to overlap the lock catch buckling teeth and the pot body buckling teeth in the up-down direction, and therefore the inner pot and the cover plate can be sealed under high pressure through the sealing ring. The hasp is located the below of inner cup to be located the top of apron subassembly, the hasp is located between inner cup and the apron subassembly promptly, and preferably, the lower surface butt of hasp is on the upper surface of apron subassembly, thereby makes the apron subassembly can drive the hasp and do the up-and-down motion for the inner cup. The lower end of the lock catch is provided with a buckling tooth, the pot body comprises an outer pot and an inner pot positioned in the outer pot, the outer wall surface of the outer pot or the inner pot extends outwards to form the buckling tooth of the pot body, and when the lock catch rotates relative to the inner cover or moves up and down, the buckling tooth of the pot body is buckled with or separated from the buckling tooth of the lock catch.
When no pressure exists in the inner pot (cooking cavity), the cover plate and the sealing ring naturally fall to cover the upper part of the inner pot, a certain distance exists between the locking buckle teeth and the pot body buckle teeth in the vertical direction, and the locking buckle can easily rotate. When the pressure in the cooking cavity rises, the cover plate and the sealing ring move upwards under the action of air pressure and drive the lock catch to move upwards, after the lock catch moves upwards for a certain distance, the upper surface of the fastening teeth at the lower end of the lock catch is contacted with the lower surface of the fastening teeth of the pot body to realize mutual buckling, and at the moment, the lock catch cannot easily rotate relative to the inner cover. Pressure in the culinary art intracavity reduces to preset pressure, and preferably, when preset pressure is atmospheric pressure, the apron falls downwards under the spring action of self gravity and elastic component, and the upper surface of hasp knot tooth and the lower surface phase separation of the pot body knot tooth, and the hasp is detained tooth and the pot body and is detained the tooth and loosen mutually promptly for the hasp can be after culinary art intracavity gas pressure reduces and easily rotate fast for the inner cup, realizes cooking utensil's uncapping fast.
In the above technical solution, preferably, the cover body includes at least one elastic member, when the cover plate assembly moves toward the inner cover and compresses the elastic member, a component force of an elastic force exerted by the at least one elastic member on the cover plate assembly in a vertical direction is F, and a resultant force of F and a gravity of the cover plate assembly is greater than or equal to 8N.
The lid includes one or more elastic component, and the apron subassembly moves towards the inner cover under the effect of culinary art intracavity pressure to compress the elastic component, for making the apron subassembly can fall down fast when the culinary art is finished, realize the separation that the hasp detained the tooth and the pot body detained the tooth, the component force of effort in vertical direction that the elastic component was applyed on the apron subassembly is F, apron subassembly self gravity is G, and F + G should be greater than 8N. The larger the mass of the cover plate assembly, the easier the cover plate assembly falls down, the smaller the elastic force exerted on the cover plate assembly by the elastic member may be, and conversely, the smaller the mass of the cover plate assembly, the larger the elastic force exerted on the cover plate assembly by the elastic member should be.
In the above technical solution, preferably, the cover body includes at least one elastic member, and after the cover plate assembly moves toward the inner cover, an elastic force applied by any one of the elastic members to the inner cover is less than or equal to 12N.
When pressure exists in the cooking cavity, the cover plate assembly is jacked up by the pressure, the elastic piece is compressed, the upper end of the elastic piece is connected to the lower surface of the inner cover, preferably, the upper end of the elastic piece abuts against the lower surface of the inner cover, and the elastic piece provides upward elastic force for the inner cover and downward elastic force for the cover plate. After the cover plate assembly floats under the action of air pressure in the cooking cavity and the locking buckle teeth are buckled with the pot body buckle teeth, in order to avoid the elastic force of the elastic piece from deforming the top of the inner cover, the elastic force of the single elastic piece to the inner cover needs to be less than or equal to 12N.
In the above technical solution, preferably, the elastic member includes a coil spring, and an axis of the coil spring is arranged in an up-down direction; and/or, the quantity of elastic component is 2 ~ 4, and is a plurality of the elastic component is followed the circumference evenly distributed of inner cup.
In the above technical solution, preferably, the cover further includes: the push rod is arranged on the inner cover, the elastic piece is supported between the push rod and the inner cover, and the push rod can move relative to the inner cover under the driving of the cover plate component.
The lower extreme of ejector pin can with apron looks butt, the elastic component passes through the ejector pin and acts on the apron subassembly.
In the above technical solution, preferably, an installation groove with an opening facing the cover plate is provided on the surface of the inner cover close to the cover plate, and the ejector rod and the elastic member are inserted into the installation groove from the opening end of the installation groove.
In ejector pin and elastic component stretched into the mounting groove from the lower extreme opening part of mounting groove, the upper end of elastic component is connected or the butt on the groove diapire of mounting groove, and the lower extreme of elastic component is connected on the ejector pin, preferably, is equipped with the holding tank that the opening up on the ejector pin, and the lower extreme of elastic component is connected or the butt on the groove diapire of holding tank. The groove bottom wall of the mounting groove can be provided with an inner cover mounting column protruding downwards, the upper end of the elastic piece is sleeved on the inner cover mounting column, the groove bottom wall of the accommodating groove can also be provided with an ejector rod mounting column protruding upwards, and the lower end of the elastic piece is sleeved on the ejector rod mounting column. Preferably, a surface of the inner lid adjacent to the cover plate (on a lower surface of the inner lid) extends downward to form a mounting protrusion, and the mounting groove is provided on the mounting protrusion with a downward opening.
In the above technical scheme, preferably, the mounting groove is provided with a limiting portion, the ejector rod is provided with a limiting matching portion matched with the limiting portion, and the limiting portion is matched with the limiting matching portion to prevent the ejector rod from coming off the mounting groove.
The elastic component applies downward acting force to the ejector pin, and for preventing the ejector pin from deviating from the mounting groove under the effect of elastic component, be equipped with spacing portion and spacing cooperation portion on mounting groove and the ejector pin respectively, through the cooperation of spacing portion and spacing cooperation portion, play the limiting displacement's from top to bottom limiting displacement to the ejector pin.
In the above technical scheme, preferably, the limiting part is a limiting protrusion formed by the side wall of the mounting groove protruding towards the direction close to the axis of the mounting groove, and the limiting matching part is a buckle formed by the ejector rod protruding outwards and corresponding to the limiting protrusion.
Preferably, the limiting part is an annular limiting bulge formed by inward protruding of the side wall of the mounting groove along the circumferential direction of the side wall, of course, the limiting bulge does not have to be annular, and the limiting bulge is located at an opening at the lower end of the mounting groove. The spacing cooperation portion is the buckle that the outside protrusion of the outer wall of ejector pin formed, is equipped with a plurality of evenly distributed's buckle or is equipped with the buckle of border on the ejector pin, is equipped with annular spacing arch or is equipped with a plurality of spacing archs with a plurality of buckle one-to-one on the mounting groove. For the convenience with the ejector pin installation into the mounting groove, the ability that deformation takes place in increase buckle department is equipped with a plurality of openings breach up on the lateral wall of holding tank, the outside protrusion of part that lies in between two adjacent breachs on the lateral wall of holding tank forms the buckle. Preferably, the catch is located at the upper end of the carrier rod.
When the pressure in the cooking cavity is reduced and the elastic piece drives the cover plate assembly and the ejector rod to move downwards, the lowest position where the ejector rod can reach downwards is a limiting protrusion and a buckle abutting joint.
In the above technical scheme, preferably, the mounting groove is provided with a guide portion, the ejector rod is provided with a guide matching portion matched with the guide portion, and the guide portion is matched with the guide matching portion to guide the ejector rod to move up and down relative to the inner cover.
In the above technical solution, preferably, the limiting protrusion is annular, the guide portion includes an annular inner wall surface, the annular inner wall surface defines an opening end of the mounting groove, and the size of the annular inner wall surface is matched with the size of the outer wall surface of the ejector rod.
The limiting bulge is annular, and the ejector rod extends into the mounting groove from the opening end of the mounting groove limited by the annular inner wall surface. In order to enable the ejector rod to do vertical linear motion and prevent the ejector rod from inclining in motion, the size of the annular inner wall surface is matched with that of the outer wall surface of the ejector rod, preferably, the ejector rod is in a hollow cylindrical shape, and the ejector rod is in clearance fit with the opening end of the installation groove defined by the annular inner wall surface.
In the above technical solution, preferably, the cover plate assembly is detachably disposed on the inner cap, and when the cover plate assembly is mounted on the inner cap and is not moved toward the inner cap, the elastic member is not compressed or is only slightly compressed, and the compression force is less than 5N.
The culinary art operation is not carried out, when the apron subassembly is not moving towards the inner cup, the elastic component is in the natural state of uncompressed, the compressive force of elastic component is 0, perhaps the elastic component is in the state by slight compression, and the compressive force of elastic component is less than 5N, avoid on the one hand the elastic component to be compressed for a long time when not using cooking utensil, influence the life-span of elastic component, on the other hand avoids apron subassembly and inner cup to receive the elastic force effect of elastic component for a long time, lead to apron subassembly and inner cup to warp.
In order to realize the detachable connection of the cover plate assembly and the inner cover, the cover plate assembly and the inner cover can be clamped mutually.
An embodiment of a second aspect of the invention provides a cooking appliance comprising: a pan body including an inner pan; and the lid of above-mentioned arbitrary embodiment, the lid that the lid can open and shut is established on the pot body, the hasp of lid can with pot body lock, the sealing washer of lid be used for the apron with sealed between the interior pot, the apron interior pot with the culinary art chamber is injectd to the sealing washer, and works as when having pressure in the culinary art chamber, pressure makes the apron subassembly court the inner cup motion.
The cooking appliance provided by the embodiment of the second aspect of the present invention has the cover body described in the embodiment of the first aspect, so that the whole beneficial effects of the cover body described in the embodiment of the first aspect are achieved, and details are not repeated herein.
Preferably, the cooking appliance is a pressure cooker or an electric cooker or other cooking appliances with pressure cooking.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, 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 partial sectional view of a cooking appliance according to an embodiment of the present invention, wherein pressure in a cooking cavity is increased and a locking tooth and a pot body tooth are engaged;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a partial cross-sectional view of a cooking utensil according to an embodiment of the present invention, wherein the pressure in the cooking cavity is reduced and the locking teeth and the pot body teeth are separated;
FIG. 4 is an enlarged schematic view of the portion B of FIG. 3;
FIG. 5 is a partially exploded view of a cooking device according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the jack of fig. 5.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:
1 inner cup, 11 installation arch, 12 mounting grooves, 13 spacing arch, 2 hasps, 21 hasps detain the tooth, 3 apron subassemblies, 31 apron, 32 sealing washers, 4 elastic components, 5 ejector pins, 51 holding tank, 52 breach, 53 buckles, 6 interior pots, 61 pot body detain the tooth, 7 culinary art chambeies.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. 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 otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
The cover and the cooking utensil according to some embodiments of the present invention are described below with reference to the accompanying drawings and taking a pressure cooker as an example, however, the cooking utensil may also be an electric cooker or other cooking utensil with pressure cooking.
As shown in fig. 1 to 4, according to some embodiments of the present invention, a cover body for a pressure cooker is provided, the pressure cooker further includes a body, the body includes an inner cooker 6, and the cover body includes an inner lid 1, a lock catch 2, a cover plate assembly 3 and an elastic member 4. The lock catch 2 can be rotatably arranged on the inner cover 1 and is used for enabling the cover body to be buckled with or separated from the pot body; the cover plate component 3 is arranged on the inner side of the inner cover 1, the cover plate component 3 comprises a cover plate 31 and a sealing ring 32, the sealing ring 32 is connected to the cover plate 31 and used for sealing between the cover plate 31 and the inner pot 6, the cover plate 31, the inner pot 6 and the sealing ring 32 define a cooking cavity 7, the cover plate component 3 can move relative to the inner cover 1 and can drive the lock catch 2 to move relative to the inner cover 1, so that the lock catch fastening teeth 21 (fastening teeth of the lock catch) can be buckled with or separated from the pot body fastening teeth 61 (fastening teeth of the pot body); the elastic member 4 is supported between the cap plate assembly 3 and the inner cap 1, and the elastic member 4 can be elastically deformed when the cap plate assembly 3 moves relative to the inner cap 1.
Specifically, the cover plate assembly can move towards the inner cover under the action of pressure in the cooking cavity, and the lock catch is driven to move towards the inner cover, and the elastic piece is compressed at the moment.
In the cover body provided by the above embodiment of the present invention, the lock catch 2 is connected to the inner cover 1 and can rotate relative to the inner cover 1, when the lock catch 2 rotates to a position where the lock catch tooth 21 is engaged with the pot body tooth 61, the cover body is locked with the pot body, and when the lock catch 2 rotates to a position where the lock catch tooth 21 is separated from the pot body tooth 61, the cover body is released from the pot body.
When the pressure in the cooking cavity 7 rises, the cover plate assembly 3 including the cover plate 31 and the sealing ring 32 is jacked up by the air pressure in the cooking cavity 7, the cover plate assembly 3 floats upwards and drives the lock catch 2 to float upwards, the lock catch tooth 21 is buckled with the pot body tooth 61, the lock catch 2 cannot easily rotate relative to the inner cover 1, the cover closing of the pressure cooker is realized, meanwhile, when the cover plate assembly 3 floats upwards relative to the inner cover 1, the cover plate assembly 3 drives the elastic part 4 to generate elastic deformation, so that the elastic part 4 has downward elastic force to the cover plate assembly 3, when the pressure in the cooking cavity 7 is reduced to the preset pressure, the cover plate assembly 3 falls under the action force of the self gravity and the elastic force exerted by the elastic part 4 on the cover plate assembly 3, and simultaneously drives the lock catch 2 to fall down, so that the gap (the gap is shown as a position C in figure 4) exists between the tooth of the lock catch 2 and the tooth of, so that the lock catch 2 can easily rotate relative to the inner cover 1, and further the pressure cooker can be quickly opened.
The cover body further comprises a rotating hand, the rotating hand is connected with the lock catch 2, and the rotating hand can drive the lock catch 2 to rotate relative to the inner cover 1. When the driving lock catch 2 rotates relative to the inner cover 1 to realize the separation or the buckling of the lock catch 2 and the pot body, the operation can be realized by rotating hands, and the operation is convenient. In terms of the connection relationship between the latch and the inner lid, in a specific embodiment, the latch is provided with a pin, the pin passes through a sliding slot on the inner lid to cooperate with a driving mechanism comprising a rotating handle, and the driving mechanism drives the latch to rotate relative to the inner lid through the pin.
Preferably, the cover plate assembly is clamped on the inner cover, and the cover plate assembly 3 can move up and down relative to the inner cover 1 and drives the lock catch 2 to move up and down relative to the inner cover 1.
The sealing ring 32 is fixed on the cover plate 31, preferably, the sealing ring 32 is sleeved on the outer side of the cover plate 31, the cover plate 31 is covered above the inner pot 6, the sealing ring 32 abuts on the side wall of the opening above the inner pot 6, the lock catch 2 overlaps the lock catch fastening tooth 21 and the pot body fastening tooth 61 in the up-down direction by rotating a certain angle relative to the inner cover 1, so that the sealing ring 32 can seal the inner pot 6 and the cover plate 31 under high pressure. The latch 2 is located below the inner lid 1 and above the cover plate assembly 3, i.e. the latch 2 is located between the inner lid 1 and the cover plate assembly 3, preferably, the lower surface of the latch 2 abuts on the upper surface of the cover plate 31, so that the cover plate assembly 3 can drive the latch 2 to move up and down relative to the inner lid 1. The lower extreme of hasp 2 is equipped with hasp thread 21, and the pot body is including outer pot and the interior pot 6 that is located the outer pot, and the outer wall of outer pot or interior pot 6 outwards extends and forms the pot body and detain the tooth, as shown in fig. 5, and interior pot open end outwards extends and forms a plurality of evenly distributed's pot body and detains tooth 61, and when hasp 2 rotated for inner cup 1, hasp thread and pot body detained the tooth and overlap from top to bottom or stagger mutually, and when the hasp moved from top to bottom for the inner cup, the thread of the pot body and the thread of hasp 2 laminated or phase separation in the upper and lower direction.
When no pressure exists in the inner pot 6 (cooking cavity 7), the cover plate 31 and the sealing ring 32 naturally fall to cover the upper part of the inner pot 6, a certain distance exists between the lock catch fastening teeth 21 and the pot body fastening teeth 61 in the vertical direction, and the lock catch 2 can easily rotate relative to the inner cover to open the cover. As shown in fig. 1 and 2, when the pressure in the cooking cavity 7 rises, the cover plate 31 and the sealing ring 32 move upward under the action of the air pressure and drive the lock catch 2 to move upward, after the lock catch 2 moves upward for a certain distance, the upper surface of the fastening tooth of the lock catch 2 contacts with the lower surface of the fastening tooth 61 of the pot body to realize mutual fastening, and at the moment, the lock catch 2 cannot easily rotate relative to the inner cover 1. As shown in fig. 3 and 4, when the pressure in the cooking cavity 7 is reduced to a predetermined pressure, preferably, the predetermined pressure is atmospheric pressure, the cover plate 31 falls downward under the action of its own gravity and the elastic force of the elastic member 4, the upper surface of the locking buckle teeth 21 is separated from the lower surface of the pot body buckle teeth 61, that is, the locking buckle teeth 21 and the pot body buckle teeth 61 are released, so that the locking buckle 2 can rotate relative to the inner cover 1 quickly and easily after the pressure in the cooking cavity 7 is reduced, thereby realizing quick opening of the pressure cooker.
Preferably, the cover body comprises at least one elastic member 4, and when the cover plate assembly moves towards the inner cover and compresses the elastic member, the component force of the elastic force exerted on the cover plate assembly 3 by the at least one elastic member 4 in the vertical direction is F, and the resultant force of F and the gravity of the cover plate assembly is greater than or equal to 8N.
The lid includes one or more elastic component 4, laps the subassembly and moves towards inner cup (upwards) under the effect of culinary art intracavity pressure, in order to make apron subassembly 3 can fall down fast when the culinary art finishes, realizes the separation of hasp knot tooth and the pot body knot tooth, and the effort of elastic component 4 application on the apron subassembly is F in the ascending component force of vertical direction, and apron subassembly self gravity is G, and F + G should be greater than 8N. The greater the mass of the cover plate assembly 3, the easier the cover plate assembly 3 falls down, the less the elastic member 4 exerts on the cover plate assembly 3, and conversely, the less the mass of the cover plate assembly 3, the greater the elastic member 4 should exert on the cover plate assembly 3.
Preferably, the elastic member 4 is disposed in an up-down direction, so that the elastic force exerted by the elastic member on the cover plate is vertically downward, and the elastic member may be an elastic body such as a coil spring, a spring plate, a rubber pad, or a silicone pad. When the elastic members are arranged along the up-down direction, when the cover plate assembly is jacked up and the locking buckle teeth 21 are buckled with the pot body buckle teeth 61, the resultant force of the elastic force applied to the cover plate by all the elastic members and the gravity of the cover plate assembly is greater than or equal to 8N.
Preferably, the cover body includes at least one elastic member 4, and an elastic force applied to the inner cap 1 by the elastic member 4 is less than or equal to 12N after the cover plate assembly is moved toward the inner cap.
When pressure exists in the cooking cavity, the cover plate assembly is jacked up by the pressure, the elastic piece is compressed, the upper end of the elastic piece 4 is connected to the lower surface of the inner cover 1, preferably, the upper end of the elastic piece 4 abuts against the lower surface of the inner cover 1, and the elastic piece 4 provides upward elastic force for the inner cover 1 and downward elastic force for the cover plate 31. After the cover plate assembly 3 floats under the action of air pressure, in order to avoid the elastic force of the elastic element 4 from pushing and deforming the inner cover 1, the elastic force of the single elastic element 4 to the inner cover 1 needs to be less than or equal to 12N, or when the cooking utensil is just exhausted after cooking, namely the pressure in the cooking cavity is just reduced to the atmospheric pressure, the cover plate is in a floating state at the moment, and the elastic force of the single elastic element to the inner cover needs to be less than or equal to 12N.
In order to enable the cover plate to be evenly stressed at all positions, the number of the elastic pieces 4 is 2-4, the elastic pieces 4 are evenly or symmetrically distributed along the circumferential direction of the inner cover 1, the number of the elastic pieces can be 2, 3 or 4, and as shown in fig. 5, the number of the elastic pieces is 2.
Preferably, as shown in fig. 6, the cap body further includes a push rod 5, the push rod 5 is disposed on the inner cap 1 and is movable relative to the inner cap 1, and the elastic member 4 is supported between the push rod 5 and the inner cap 1.
The lower end of the ejector rod 5 can be abutted against the cover plate 31, the ejector rod directly acts on the cover plate, and the elastic piece 4 acts on the cover plate 31 through the ejector rod 5. The number of the ejector rods is equal to that of the elastic pieces, and the ejector rods correspond to the elastic pieces one by one, as shown in fig. 5, the cover body comprises two elastic pieces and two ejector rods corresponding to the two elastic pieces one by one.
Preferably, as shown in fig. 2 and 4, the surface of the inner cap 1 adjacent to the cover plate 31 is provided with a mounting groove 12 opened toward the cover plate 31, and the push rod 5 and the elastic member 4 are inserted into the mounting groove 12 from the open end of the mounting groove 12.
Preferably, the lower surface of the inner lid 1 extends downward to form a mounting protrusion 11, and a mounting groove 12 opened downward is formed on the mounting protrusion 11. The ejector rod 5 and the elastic part 4 extend into the mounting groove 12 from the opening of the lower end of the mounting groove 12, the upper end of the elastic part 4 is connected or abutted to the bottom wall of the mounting groove 12, the lower end of the elastic part 4 is connected to the ejector rod 5, preferably, the ejector rod 5 is provided with a holding groove 51 with an upward opening, and the lower end of the elastic part 4 is connected or abutted to the bottom wall of the holding groove 51. The groove bottom wall of the mounting groove 12 can also be provided with an inner cap mounting post protruding downwards, the upper end of the elastic element 4 is sleeved on the inner cap mounting post, the groove bottom wall of the accommodating groove 51 can also be provided with an ejector rod mounting post protruding upwards, and the lower end of the elastic element 4 is sleeved on the ejector rod mounting post. As shown in fig. 5, a mounting groove is provided on the inner cover corresponding to D, E.
Preferably, be equipped with spacing portion on the mounting groove 12, be equipped with the spacing cooperation portion with spacing looks adaptation on the ejector pin 5, spacing portion cooperates with spacing cooperation portion to prevent that ejector pin 5 from deviating from mounting groove 12.
Preferably, as shown in fig. 2 and 4, the limiting part is a limiting protrusion 13 formed by protruding the side wall of the mounting groove 12 towards the direction close to the axis of the mounting groove 12, and the limiting matching part is a buckle 53 formed by protruding the top rod 5 outwards and corresponding to the limiting protrusion 13.
Preferably, the limiting part is an annular limiting bulge 13 formed by inward protruding of the side wall of the mounting groove 12 along the circumferential direction, of course, the limiting bulge 13 may not be annular, and the limiting bulge 13 is located at the opening at the lower end of the mounting groove 12. The limiting matching part is a buckle 53 formed by outwards protruding the outer wall surface of the ejector rod 5, a plurality of evenly distributed buckles 53 are arranged on the ejector rod 5, and annular limiting bulges 13 or a plurality of limiting bulges 13 in one-to-one correspondence with the buckles 53 are arranged on the mounting groove 12. In order to facilitate the installation of the push rod 5 in the installation groove 12 and increase the deformation capacity of the buckle 53, a plurality of notches 52 with upward openings are arranged on the side wall of the accommodating groove 51, and the part of the side wall of the accommodating groove 51 between two adjacent notches 52 protrudes outwards to form the buckle 53. Preferably, the catch 53 is located at the upper end of the top bar 5.
When the pressure in the cooking cavity 7 is reduced and the elastic part 4 drives the cover plate component 3 and the ejector rod 5 to move downwards, the lowest position where the ejector rod 5 can reach downwards is the position where the limiting bulge 13 is abutted to the buckle 53.
Preferably, the mounting groove 12 is provided with a guide portion, the top rod 5 is provided with a guide matching portion matched with the guide portion, and the guide portion is matched with the guide matching portion to guide the top rod 5 to move up and down relative to the inner cover 1.
Preferably, the limiting bulge 13 is annular, the guide part comprises an inner wall surface of the annular limiting bulge, the inner wall surface of the annular limiting bulge defines an opening end of the mounting groove 12, and the size of the inner wall surface of the annular limiting bulge is matched with that of the outer wall surface of the ejector rod 5.
The limiting bulge 13 is annular, and the ejector rod 5 extends into the mounting groove 12 from the opening end of the mounting groove 12 limited by the inner wall surface of the annular limiting bulge. In order to enable the ejector rod 5 to do vertical linear reciprocating motion and prevent the ejector rod 5 from inclining in motion, the size of the inner wall surface of the annular limiting bulge is matched with the size of the outer wall surface of the ejector rod 5, preferably, the ejector rod 5 is in a hollow cylindrical shape, and the ejector rod 5 is in clearance fit with the opening end of the mounting groove 12 limited by the inner wall surface of the annular limiting bulge.
Preferably, the cover plate assembly 3 is detachably arranged on the inner cap 1, and the elastic member 4 is not compressed or only slightly compressed when the cover plate assembly 3 is mounted on the inner cap 1 and is not moved towards the inner cap 1, and the compression force is less than 5N.
The cooking operation is not carried out, when the cover plate assembly 3 does not move towards the inner cover 1, the elastic piece 4 is in an uncompressed natural state, the compression force of the elastic piece 4 is 0, or the elastic piece 4 is in a slightly compressed state, and the compression force of the elastic piece 4 is smaller than 5N, on one hand, the long-term compression of the elastic piece 4 when the cooking appliance is not used is avoided, the service life of the elastic piece 4 is influenced, on the other hand, the cover plate assembly 3 and the inner cover 1 are prevented from being subjected to the elastic force action of the elastic piece 4 for a long time, and the cover plate assembly 3 and the inner cover 1 are.
In order to realize the detachable connection of the cover plate component 3 and the inner cover 1, the cover plate component 3 and the inner cover 1 can be clamped.
An embodiment of a second aspect of the invention provides a pressure cooker comprising: the pot body comprises an inner pot 6; the lid that the lid can open and shut is established on the pot body, hasp 2 can with pot body lock, the sealing washer 32 of lid is used for the apron 31 and interior pot between 6 sealed, and the culinary art chamber 7 is injectd to apron 31, interior pot 6 and sealing washer 32, and when having pressure in culinary art chamber 7, pressure makes the apron subassembly move towards inner cup 1.
The cooking appliance provided by the embodiment of the second aspect of the present invention has the cover body of the embodiment of the first aspect, so that the whole beneficial effects of the cover body of the embodiment of the first aspect are not described herein again.
In summary, in the cover body provided in the embodiment of the present invention, when the pressure in the cooking cavity 7 rises, the cover plate assembly 3 drives the latch 2 to float upward, and then the latch fastening tooth 21 and the pot fastening tooth 61 are in contact with each other and fastened, so that the latch 2 is difficult to rotate, and the normal cover closing of the cooking appliance is realized; after releasing in the culinary art chamber 7, under the effect of elastic component and hasp, apron 31 and hasp 2 can fall down fast, and the hasp is detained tooth 21 and the pot body and is detained tooth 61 pine and take off for hasp 2 can easily rotate for inner cup 1, realizes cooking utensil's uncapping fast.
In the description of the present invention, the term "plurality" means two or more unless explicitly specified 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present specification, it is to 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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description herein, 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 (12)
1. A cover, comprising:
an inner cover;
the lock catch is rotatably arranged on the inner cover;
the cover plate assembly is arranged on the inner side of the inner cover and can move towards the inner cover, the cover plate assembly can drive the lock catch to move towards the inner cover, the cover plate assembly comprises a cover plate and a sealing ring, and the sealing ring is connected to the cover plate;
a resilient member supported between the cover plate assembly and the inner cover and compressed when the cover plate assembly is moved toward the inner cover; and
the rotating hand is connected with the lock catch and can drive the lock catch to rotate relative to the inner cover by rotating the rotating hand;
the push rod is arranged on the inner cover, the elastic piece is supported between the push rod and the inner cover, and the push rod can move relative to the inner cover under the driving of the cover plate component.
2. The cover of claim 1,
the cover plate assembly can move up and down relative to the inner cover and drive the lock catch to move up and down relative to the inner cover.
3. The cover of claim 1,
the cover body comprises at least one elastic piece, when the cover plate assembly moves towards the inner cover and compresses the elastic piece, the component force of the elastic force exerted on the cover plate assembly by the at least one elastic piece in the vertical direction is F, and the resultant force of the F and the gravity of the cover plate assembly is greater than or equal to 8N.
4. The cover of claim 1,
the cover body comprises at least one elastic piece, and after the cover plate assembly moves towards the inner cover, the elastic force exerted on the inner cover by any elastic piece is less than or equal to 12N.
5. The cover of claim 1,
the elastic piece comprises a spiral spring, and the axis of the spiral spring is arranged along the vertical direction; and/or the presence of a gas in the gas,
the quantity of elastic component is 2 ~ 4, and is a plurality of the elastic component is followed the circumference evenly distributed of inner cup.
6. The cover of claim 1,
the inner cup is close to be equipped with the opening orientation on the surface of apron the mounting groove of apron, the ejector pin with the elastic component certainly the open end of mounting groove inserts in the mounting groove.
7. The cover of claim 6,
the mounting groove is provided with a limiting part, the ejector rod is provided with a limiting matching part matched with the limiting part, and the limiting part is matched with the limiting matching part to prevent the ejector rod from being separated from the mounting groove.
8. The cover of claim 7,
the limiting part is a limiting bulge formed by the side wall of the mounting groove protruding towards the direction close to the axis of the mounting groove, and the limiting matching part is a buckle formed by the ejector rod protruding outwards and corresponding to the limiting bulge.
9. The cover of claim 8,
the inner cover is arranged in the mounting groove, the ejector rod is provided with a guide matching part matched with the guide part, and the guide part is matched with the guide matching part to guide the ejector rod to move up and down relative to the inner cover.
10. The cover of claim 9,
the limiting bulge is annular, the guide part comprises an annular inner wall surface, the annular inner wall surface limits the opening end of the mounting groove, and the size of the annular inner wall surface is matched with that of the outer wall surface of the ejector rod.
11. The cover according to any one of claims 1 to 4,
the cover plate assembly is detachably arranged on the inner cover, when the cover plate assembly is installed on the inner cover and is not moved towards the inner cover, the elastic piece is not compressed or only slightly compressed, and the compression force is less than 5N.
12. A cooking appliance, comprising:
a pan body including an inner pan; and
the cover of any one of claims 1 to 11, wherein an openable cover is provided on the pot, the latch of the cover is adapted to engage with the pot, the sealing ring of the cover is adapted to seal between the cover and the inner pot, the cover, the inner pot and the sealing ring define a cooking cavity, and when pressure is present in the cooking cavity, the pressure causes the cover assembly to move towards the inner lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157124.9A CN110192767B (en) | 2018-02-24 | 2018-02-24 | Lid and cooking utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157124.9A CN110192767B (en) | 2018-02-24 | 2018-02-24 | Lid and cooking utensil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110192767A CN110192767A (en) | 2019-09-03 |
| CN110192767B true CN110192767B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810157124.9A Active CN110192767B (en) | 2018-02-24 | 2018-02-24 | Lid and cooking utensil |
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| Country | Link |
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| CN (1) | CN110192767B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3067866A1 (en) | 2017-08-09 | 2019-02-14 | Sharkninja Operating Llc | Cooking device and components thereof |
| CN109497821A (en) * | 2019-01-02 | 2019-03-22 | 珠海格力电器股份有限公司 | Cover plate mounting structure and cooking utensil |
| CN212788226U (en) | 2019-02-25 | 2021-03-26 | 沙克忍者运营有限责任公司 | Cooking system |
| US11647861B2 (en) | 2020-03-30 | 2023-05-16 | Sharkninja Operating Llc | Cooking device and components thereof |
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| EP0259578A1 (en) * | 1986-09-09 | 1988-03-16 | Fissler Gmbh | Cover with a safety valve for a pressure cooker |
| CN202681615U (en) * | 2012-04-11 | 2013-01-23 | 松下家电研究开发（杭州）有限公司 | Pressure cooker capable of automatically locking cover |
| CN205923726U (en) * | 2016-04-15 | 2017-02-08 | 浙江苏泊尔家电制造有限公司 | Pressure cooking appliance |
| CN206166628U (en) * | 2016-07-26 | 2017-05-17 | 杭州九阳欧南多小家电有限公司 | Cooking utensil's lid and have its cooking utensil |
| CN206729736U (en) * | 2016-12-02 | 2017-12-12 | 浙江红牌智能电器制造有限公司 | A kind of protection mechanism and IH micro-pressure electric rice cookers with the mechanism of uncapping |
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2018
- 2018-02-24 CN CN201810157124.9A patent/CN110192767B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0259578A1 (en) * | 1986-09-09 | 1988-03-16 | Fissler Gmbh | Cover with a safety valve for a pressure cooker |
| CN202681615U (en) * | 2012-04-11 | 2013-01-23 | 松下家电研究开发（杭州）有限公司 | Pressure cooker capable of automatically locking cover |
| CN205923726U (en) * | 2016-04-15 | 2017-02-08 | 浙江苏泊尔家电制造有限公司 | Pressure cooking appliance |
| CN206166628U (en) * | 2016-07-26 | 2017-05-17 | 杭州九阳欧南多小家电有限公司 | Cooking utensil's lid and have its cooking utensil |
| CN206729736U (en) * | 2016-12-02 | 2017-12-12 | 浙江红牌智能电器制造有限公司 | A kind of protection mechanism and IH micro-pressure electric rice cookers with the mechanism of uncapping |
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| Publication number | Publication date |
|---|---|
| CN110192767A (en) | 2019-09-03 |
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