Disclosure of Invention
The invention mainly aims to provide a cooking utensil which solves the problems that in the prior art, a mechanism for jacking up a pressure limiting valve is complex, a button structure which reciprocates up and down is usually required to be arranged on a pot cover, the risk that the button structure cannot be reset normally is high, the probability of being blocked in a motion channel is high, the use stability of an electric pressure cooker is poor, and the overall processing and manufacturing cost of the electric pressure cooker is increased.
The invention provides a cooking utensil which comprises a cooker body, a cooker cover, a pressure limiting valve, a lever element, an exhaust pressing end, an exhaust pushing button and a pressure limiting valve, wherein the cooker cover is arranged on the cooker body, the cooker cover is provided with an exhaust channel, the pressure limiting valve is arranged at the exhaust channel, the lever element is pivotably arranged on the cooker cover, the first end of the lever element is positioned below the pressure limiting valve, the second end of the lever element is the exhaust pressing end, the exhaust pushing button slides on the surface of the cooker cover and has an exhaust position and a sealing position on a sliding path, when the exhaust pushing button is positioned at the exhaust position, the exhaust pushing button presses the exhaust pressing end to enable the first end of the lever element to move upwards and jack the pressure limiting valve to release steam in the cooker body, and when the exhaust pushing button is positioned at the sealing position, the lever element avoids the exhaust pressing end, and the pressure limiting valve seals the exhaust channel under the action of self gravity.
Further, the pot cover comprises a pot cover body and a face cover, the face cover is arranged on the pot cover body, the lever element is connected with the pot cover body or the face cover and is positioned between the pot cover body and the face cover, a sliding long hole is formed in the face cover, the exhaust push button is arranged on the face cover and slides along the length direction of the sliding long hole, and a part of the exhaust push button stretches into the sliding long hole to be used for pressing the lever element.
Further, the face cover is provided with a limit groove, the sliding long hole is located on the bottom wall of the limit groove, the exhaust push button comprises a push plate and a pressing arm, the push plate is arranged in the limit groove and slides along the length direction of the sliding long hole, the first end of the pressing arm is connected with the push plate, and the second end of the pressing arm stretches into the sliding long hole to serve as the pressing end of the pressing lever element.
Further, the pressing end is a pressing plane, and the cross-sectional area of the pressing arm gradually decreases along a direction away from the pressing plane, so that the surface of the pressing arm facing the lever element comprises the pressing plane and the avoiding curved surface which are connected.
Further, the exhaust push button further comprises a buckle, the buckle is arranged on the pressing arm and is arranged at intervals with the push plate, so that an avoidance space for being connected with the face cover in a clamping mode is formed between the push plate and the buckle.
Further, the catch is a wedge-shaped catch with a cross-sectional area that gradually decreases in a direction away from the pressing end of the lever element.
Further, a portion of the lever member is projected toward the exhaust push button side to form a smoothly transitional projection structure, which forms an exhaust pressing end.
Further, the lever element comprises a jacking plate section and a bending plate section which are connected, wherein the jacking plate section is connected with the pot cover body, the protruding structure is formed on the bending plate section, a first included angle A is formed between the jacking plate section and the bending plate section, the pressure limiting valve and the sliding long hole are arranged along the circumferential direction of the surface cover at intervals, a connecting line between the pressure limiting valve and the end points, close to one side of the sealing position of the exhaust push button, of the sliding long hole forms a second included angle B with the length direction of the sliding long hole, and the first included angle A is equal to the second included angle B.
Further, the cooking utensil further comprises a switch element and a warning element, wherein the switch element is arranged on the pot cover, when the exhaust push button slides to the exhaust position, the exhaust push button triggers the switch element, and the switch element controls the warning element to send out a warning signal.
Further, the switch element is a micro switch, and the warning signal is an audible warning signal, a vibration warning signal or a light warning signal.
Further, the cooking utensil is an electric pressure cooker, and the cooker cover is rotatably arranged on the cooker body around the circumference of the cooker body, and the cooker cover body comprises a lock cover which is used for being in clamping fit with the cooker body.
By adopting the technical scheme, the sliding exhaust push button is arranged on the surface of the pot cover, so that a user can easily drive the exhaust push button to reciprocate at the exhaust position and the sealing position only by pushing or pulling the exhaust push button, thereby smoothly jacking the pressure limiting valve to release steam in the pot body and realizing the pressure relief of the cooking utensil. Moreover, the exhaust push button reciprocates between the exhaust position and the sealing position without the help of the force exerted by an external elastic element, so that the risk of the exhaust push button being blocked or incapable of resetting normally is reduced, the mechanism complexity of jacking up the pressure limiting valve is simplified, the increase of the overall processing and manufacturing cost of the cooking appliance is reduced, and the promotion of the market competitiveness of the cooking appliance is facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
Fig. 1 illustrates an internal structure schematic view of a cooking appliance according to an alternative embodiment of the present invention;
Fig. 2 shows a schematic structural view of a lid of the cooking appliance of fig. 1 equipped with a pressure limiting valve and a venting push button;
FIG. 3 is a schematic view showing a partial structure of the pot cover of FIG. 2 without the pressure limiting valve and the exhaust push button;
FIG. 4 is a schematic cross-sectional view of the lid of FIG. 2, showing the venting push button in a sealed position against the lever member to jack the pressure-limiting valve;
FIG. 5 is a schematic cross-sectional view of the lid of FIG. 2, showing the state in which the venting push button is in the venting position to push the lever member to jack the pressure-limiting valve;
FIG. 6 is a schematic cross-sectional view of the lid of FIG. 2 at another angle, and showing the venting push button in a sealed position against the lever member to jack the pressure-limiting valve;
FIG. 7 is a schematic cross-sectional view of the lid of FIG. 2 at another angle, and illustrates the state where the venting push button is in a venting position to press the lever member to jack the pressure limiting valve and trigger the switch member;
Fig. 8 illustrates a schematic structure of an exhaust push button of the cooking appliance of fig. 1;
Fig. 9 shows a schematic structural view of a lever element of the cooking appliance of fig. 1.
Wherein the above figures include the following reference numerals:
10. The cooker comprises a cooker body, 20 parts of a cooker cover, 21 parts of an exhaust channel, 22 parts of a cooker cover body, 23 parts of a cooker cover, 231 parts of a sliding long hole, 232 parts of a limiting groove, 30 parts of a pressure limiting valve, 40 parts of a lever element, 41 parts of an exhaust pressing end, 42 parts of a jacking plate section, 43 parts of a bending plate section, 50 parts of an exhaust pushing button, 51 parts of a pushing plate, 511 parts of an avoidance space, 512 parts of an anti-slip convex ridge, 52 parts of a pressing arm, 521 parts of a pressing plane, 522 parts of an avoidance curved surface, 53 parts of a buckle, 60 parts of a switching element.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the problems that in the prior art, a mechanism for jacking up a pressure limiting valve is complex, a button structure which moves up and down in a reciprocating mode is usually required to be arranged on a pot cover, the risk that the button structure cannot be reset normally is high, the probability of being blocked in a moving channel is high, the use stability of an electric pressure cooker is seriously affected, and the overall processing and manufacturing cost of the electric pressure cooker is increased, the application provides a cooking appliance, and the cooking appliance comprises the electric pressure cooker or an electric cooker, but the cooking appliance is not limited to the electric pressure cooker.
As shown in fig. 1 to 7, the cooking appliance includes a pot body 10, a pot cover 20, a pressure limiting valve 30, a lever member 40 and a venting push button 50, wherein the pot cover 20 is covered on the pot body 10, the pot cover 20 is provided with a venting channel 21, the pressure limiting valve 30 is provided at the venting channel 21, the lever member 40 is pivotably provided on the pot cover 20, a first end of the lever member 40 is positioned below the pressure limiting valve 30, a second end of the lever member 40 is a venting push end 41, the venting push button 50 slides on the surface of the pot cover 20 and has a venting position and a sealing position on the sliding path thereof, when the venting push button 50 is in the venting position, the venting push button 50 presses the venting push end 41 to move the first end of the lever member 40 upward and jack the pressure limiting valve 30 to release steam in the pot body 10, and when the venting push button 50 is in the sealing position, the lever member 40 evades the venting push end 41, and the pressure limiting valve 30 seals the venting channel 21 under its own weight.
By providing the sliding exhaust push button 50 on the surface of the pot cover 20, a user can easily drive the exhaust push button 50 to reciprocate at the exhaust position and the sealing position only by pushing or pulling the exhaust push button 50, thereby smoothly jacking up the pressure limiting valve 30 to release steam in the pot body 10 and realizing pressure relief of the cooking utensil. Moreover, the exhaust push button 50 reciprocates between the exhaust position and the sealing position without the help of the force exerted by an external elastic element, so that the risk of the exhaust push button 50 being stuck or incapable of normal resetting is reduced, the complexity of a mechanism for jacking up the pressure limiting valve 30 is simplified, the increase of the overall processing and manufacturing cost of the cooking appliance is reduced, and the promotion of the market competitiveness of the cooking appliance is facilitated.
In addition, it should be noted that, in the exhaust mode of pushing the exhaust push button 50 to lift the pressure limiting valve 30, the exhaust push button 50 does not occupy too much space, so that the overall size of the pot cover 20 is not affected, and the miniaturization and the exquisite design of the cooking appliance are facilitated.
In the illustrated embodiment of the present application, as shown in fig. 4 to 7, the pot cover 20 includes a pot cover body 22 and a face cover 23, the face cover 23 is covered on the pot cover body 22, the lever member 40 is connected with the pot cover body 22 or the face cover 23 and is located between the pot cover body 22 and the face cover 23, a sliding long hole 231 is opened on the face cover 23, the exhaust push button 50 is provided on the face cover 23 and slides along the length direction of the sliding long hole 231, and a portion of the exhaust push button 50 extends into the sliding long hole 231 for pressing the lever member 40. In this way, the slide long hole 231 plays a guiding role for the exhaust push button 50, and the wall surfaces at both ends in the longitudinal direction of the slide long hole 231 also play a limiting role for the sliding of the exhaust push button 50. And the lever member 40 is selectively coupled to the lid body 22 or the lid 23, improving the flexibility of the arrangement of the lever member 40.
As shown in fig. 2 to 8, specifically, the cover 23 is provided with a limit groove 232, the sliding long hole 231 is located on the bottom wall of the limit groove 232, the exhaust push button 50 includes a push plate 51 and a pressing arm 52, wherein the push plate 51 is disposed in the limit groove 232 and slides along the length direction of the sliding long hole 231, the first end of the pressing arm 52 is connected with the push plate 51, and the second end of the pressing arm 52 extends into the sliding long hole 231 to serve as a pressing end of the pressing lever element 40. The groove wall of the limit groove 232 further plays a role in limiting the sliding of the exhaust push button 50, so that the exhaust push button 50 is prevented from being separated from the limit groove 232, and the exhaust push button 50 is protected, so that the push plate 51 is prevented from being worn.
Since the air release button 50 includes the push plate 51 and the pressing arm 52, the pressing arm 52 moves simultaneously while pushing the push plate 51 to slide in the limit groove 232, and the pressing end of the pressing arm 52 completes the pressing of the lever member 40 while the air release button 50 moves from the sealing position to the air release position, so that the air release pressing end 41 of the lever member 40 moves downward and the first end of the lever member 40 moves upward to push up the pressure limiting valve 30.
Optionally, in order to facilitate the pushing of the exhaust push button 50 by the user, the upper surface of the push plate 51 is provided with a plurality of anti-slip ribs 512, and the plurality of anti-slip ribs 512 are spaced apart along the length direction of the push plate 51.
In the present embodiment, as shown in fig. 8, the pressing end is a pressing plane 521, and the cross-sectional area of the pressing arm 52 gradually decreases in a direction away from the pressing plane 521, so that the surface of the pressing arm 52 facing the lever member 40 includes the pressing plane 521 and the escape curved surface 522 connected. In this way, the pressing end is the pressing plane 521, which is beneficial to increasing the contact area between the pressing arm 52 and the lever element 40, thereby being beneficial to improving the rotation stability of the lever element 40, and the surface of the pressing arm 52 facing the lever element 40 comprises the pressing plane 521 and the avoiding curved surface 522 which are connected, and the pressing plane 521 and the avoiding curved surface 522 are in smooth transition, which is beneficial to continuously sliding and changing the contact position of the pressing arm 52 and the lever element 40, thereby smoothly realizing the pressing of the lever element 40.
As shown in fig. 8, in order to improve the stability of the assembly of the exhaust push button 50 on the pot cover 20 and prevent the exhaust push button 50 from being separated from the sliding slot 231, the exhaust push button 50 further includes a buckle 53, where the buckle 53 is disposed on the pressing arm 52 and spaced from the push plate 51, so as to form a avoiding space 511 for being clamped with the face cover 23 between the push plate 51 and the buckle 53. In this way, the avoidance space 511 is utilized to avoid part of the surface cover 23, so that the exhaust push button 50 is stably clamped on the surface cover 23, and the exhaust push button 50 is prevented from falling off along the axial direction of the pot cover 20.
Alternatively, the catch 53 is a wedge-shaped catch with a cross-sectional area that gradually decreases in a direction away from the pressing end of the lever element 40. The buckle 53 with such a structure facilitates the assembly between the exhaust push button 50 and the face cover 23, that is, the exhaust push button 50 is pressed into the sliding slot 231 along the axial direction of the pot cover 20 by using an external force, the face cover 23 is continuously deformed, and when the avoidance space 511 of the exhaust push button 50 moves a certain distance, part of the face cover 23 enters the avoidance space 511, the assembly operation of the exhaust push button 50 and the face cover 23 is bent.
As shown in fig. 4 to 7 and 9, in order to facilitate the cooperation with the exhaust push button 50 and to ensure low manufacturing costs of the lever member 40, a portion of the lever member 40 is protruded toward one side of the exhaust push button 50 to form a smoothly transitive protrusion structure, which forms the exhaust pressing end 41.
Specifically, as shown in fig. 3 and 9, the lever element 40 includes a jacking plate segment 42 and a bending plate segment 43 that are connected, wherein the jacking plate segment 42 is connected to the pot cover body 22, a protrusion structure is formed on the bending plate segment 43, a first included angle a is formed between the jacking plate segment 42 and the bending plate segment 43, the pressure limiting valve 30 and the sliding long hole 231 are arranged at intervals along the circumferential direction of the face cover 23, and a second included angle B is formed between a connecting line between the pressure limiting valve 30 and an end point of the sliding long hole 231, which is close to the sealing position side of the exhaust push button 50, and the length direction of the sliding long hole 231, and the first included angle a is equal to the second included angle B.
The arrangement position relationship of the pressure limiting valve 30 and the sliding long hole 231 is considered that after the sliding long hole 231 is formed on the face cover 23 and the exhaust push button 50 is installed at the sliding long hole 231, the cooker cover 20 is guaranteed to have good aesthetic appearance and is convenient for a user to operate the exhaust push button 50, and the lever element 40 comprises the jacking plate section 42 and the bending plate section 43 which are connected to adapt to the arrangement position relationship of the pressure limiting valve 30 and the sliding long hole 231.
As shown in fig. 6 and 7, the cooking appliance further includes a switching element 60 and a warning element, wherein the switching element 60 is disposed on the pot cover 20, and when the air release button 50 slides to the air release position, the air release button 50 triggers the switching element 60, and the switching element 60 controls the warning element to emit a warning signal. Like this, the warning component has played the suggestion effect to the user, has avoided the user to forget to push back the exhaust push button 50 to seal the position, has further promoted cooking utensil's practicality.
Optionally, the switching element 60 is a micro switch, and the alarm signal is an audible alarm signal, a vibration alarm signal or a light alarm signal.
In an alternative embodiment of the present application, the lid 20 is rotatably disposed on the pot 10 around the circumference of the pot 10 to achieve locking or unlocking between the lid 20 and the pot 10, wherein the lid body 22 of the lid 20 includes a locking cap for snap-fit engagement with the pot 10.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of the present invention, and the azimuth terms "inside and outside" refer to inside and outside with respect to the outline of each component itself.
Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.