CN209789543U - Cooking utensil - Google Patents

Abstract

the utility model provides a cooking utensil, including the pot cover, the pot cover includes: an upper cover assembly; the locking ring is rotatably arranged below the upper cover component; the inner pot cover is arranged below the upper cover component and is positioned in a range enclosed by the locking ring; the cooking appliance further includes: the anti-friction structure is rotatably arranged on the locking ring and is in contact with the upper surface of the inner pot cover so as to prevent the locking ring from sliding friction with the upper surface of the inner pot cover when rotating. The utility model provides an among the prior art when carrying out the lid operation of opening and shutting to electric pressure cooker, the face friction of bigger area can take place with interior pot cover to the lock circle when rotating, has not only hindered the rotation of lock circle, is unfavorable for the promotion of the simple operation nature of electric pressure cooker, but also can cause wearing and tearing between lock circle and the interior pot cover, has reduced structural strength between them, leads to the compressive capacity decline of electric pressure cooker, causes the problem that the gas leakage phenomenon easily appears breaking in the electric pressure cooker.

Description

Cooking utensil

Technical Field

The utility model relates to a household electrical appliances technical field for the kitchen particularly, relates to a cooking utensil's pot cover's institutional advancement.

Background

As a household appliance, the electric pressure cooker is more and more popular with consumers due to the characteristics of convenient use and fast cooking.

In order to ensure the use safety of the electric pressure cooker, when the electric pressure cooker works, the stable locking of the cooker cover and the cooker body needs to be ensured, in the prior art, a locking ring with rotation performance is usually arranged on the cooker cover, the locking or unlocking of the cooker cover and the cooker body can be realized in the rotation process of the locking ring, and when the locking ring rotates, the surface friction of a larger area can be generated with the inner cooker cover, so that the rotation of the locking ring is hindered, the improvement of the operation convenience of the electric pressure cooker is not facilitated, the abrasion between the locking ring and the inner cooker cover can be caused, the structural strength of the locking ring and the inner cooker cover is reduced, the pressure resistance of the electric pressure cooker is reduced, the phenomenon that the electric pressure cooker is easy to crack and.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a cooking utensil to solve among the prior art when opening and shutting the lid operation to electric pressure cooker, the face of relatively large tracts of land friction can take place with interior pot cover when rotating for the lock ring, not only obstructed the rotation effect of lock ring, be unfavorable for the promotion of the simple operation nature of electric pressure cooker, but also can cause wearing and tearing between lock ring and the interior pot cover, structural strength between them has been reduced, the compressive capacity who leads to electric pressure cooker descends, cause the problem of the gas leakage phenomenon that the electric pressure cooker easily appears breaking.

In order to achieve the above object, the utility model provides a cooking utensil, including the pot cover, the pot cover includes: an upper cover assembly; the locking ring is rotatably arranged below the upper cover component; the inner pot cover is arranged below the upper cover component and is positioned in a range enclosed by the locking ring; the cooking appliance further includes: antifriction structure, antifriction structure rotationally sets up on the lock ring to with the upper surface contact of interior pot cover, the lock ring is through antifriction structure and the upper surface contact of interior pot cover when rotating.

Furthermore, the antifriction structure is antifriction bearing, and antifriction bearing includes running roller and pivotal axis, and the running roller passes through pivotal axis and lock circle pivotal connection, and the running roller contacts with the upper surface of interior pot cover.

furthermore, the lock ring is provided with a mounting through hole, the upper surface of the lock ring is convexly provided with two pivoting seats, the two pivoting seats are positioned on two sides of the mounting through hole, the roller is positioned at the mounting through hole, two axial ends of the roller are respectively convexly provided with a pivoting shaft, and the two pivoting shafts are connected with the two pivoting seats in a one-to-one correspondence manner.

Furthermore, partial hole wall surfaces of the installation through holes corresponding to the two pivoting seats extend obliquely from the direction from the upper surface of the locking ring to the lower surface of the locking ring to form a guide installation inclined surface.

Further, the upper surface of the pivoting seat is higher than the roller.

Further, the running roller has the installation cavity and two axial through-holes with the installation cavity intercommunication, and one part of each pivot is located the installation cavity and backstop spacing at axial through-hole department, and another part of each pivot stretches out the axial through-hole.

Furthermore, the pivotal shaft is fixedly connected with the roller and is made of an elastic deformation material.

further, the pivotal shaft is movably arranged along the axial direction of the roller, the rolling bearing further comprises an elastic element, the elastic element is arranged in the installation cavity, and two ends of the elastic element are respectively abutted to the two pivotal shafts so as to provide elastic reset force stretching out of the axial through hole for each pivotal shaft.

furthermore, the antifriction structure is a plurality of, and a plurality of antifriction structures set up around the circumference interval of lock circle.

Further, the upper cover subassembly includes inside lining, face lid, bull stick subassembly and handle, and wherein, the face lid is established on the inside lining, and the bull stick subassembly sets up on the inside lining and lies in between inside lining and the face lid, and the handle passes through the bull stick subassembly and drives the lock circle and rotate, and cooking utensil still includes the pot body, and the pot cover lid is established on the pot body, is provided with pot tooth on the pot body, and the lock circle has the lid tooth, and the lock circle rotates so that pot tooth and lid tooth closure or unblock.

Use the technical scheme of the utility model, through set up rotatable antifriction structure on the lock circle at the pot cover, and the last surface contact of antifriction structure and interior pot cover, thus, when the lock circle rotates, the upper surface of pot cover rolls including antifriction structure, thereby convert the face sliding friction between lock circle and the interior pot cover into for rolling friction effectively, frictional force between the two has been reduced widely, not only make the rotation of lock circle smooth and easy, be favorable to cooking utensil's convenient operation, and avoided contact surface between the two to receive wearing and tearing, both have ensured sufficient structural strength, prevented that lock circle and interior pot cover from appearing deformation under high pressure and leading to cooking utensil the phenomenon of gas leakage that breaks, cooking utensil's safety in utilization has been promoted.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

Fig. 1 shows a schematic top view of an upper cover assembly of a pot cover of a cooking appliance without a cover according to an alternative embodiment of the invention, in which cover teeth of a locking ring of the upper cover assembly are unlocked from pot teeth of the pot body and the pot cover is in an open state;

Fig. 2 is a schematic top view of the cover assembly of fig. 1 with the cover omitted, showing the cover teeth of the locking ring of the cover assembly locked with the pot teeth of the pot body and the pot cover in a closed state;

Fig. 3 shows an assembly structure diagram of the upper cover assembly, the locking ring, the inner cover and the antifriction structures of fig. 1 with the face cover and the handle omitted, and a partial cut-away illustration is made at the positions of the antifriction structures;

FIG. 4 shows an exploded view of FIG. 3;

FIG. 5 shows a schematic view of the lock collar of FIG. 3 with the friction reducing structure installed;

FIG. 6 shows a schematic cross-sectional view of the integrally assembled locking collar and friction reducing structure of FIG. 5 at the friction reducing structure;

FIG. 7 shows an enlarged schematic view at A of FIG. 6;

FIG. 8 is a schematic view of another angle of the locking collar of FIG. 5;

Fig. 9 shows an enlarged schematic view at B in fig. 8.

Wherein the figures include the following reference numerals:

10. An upper cover assembly; 11. a liner; 12. a rotating rod assembly; 13. a handle; 20. a locking ring; 21. mounting a through hole; 211. a guide mounting inclined plane; 22. a pivoting seat; 23. covering teeth; 30. an inner pot cover; 40. an antifriction structure; 41. a roller; 411. a mounting cavity; 412. an axial through hole; 42. a pivotal shaft; 43. an elastic element.

Detailed Description

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

in order to solve the problems that when the electric pressure cooker is opened and closed in the prior art, the locking ring can generate large-area surface friction with the inner cooker cover when rotating, so that the rotating action of the locking ring is hindered, the improvement of the operation convenience of the electric pressure cooker is not facilitated, the locking ring and the inner cooker cover can be worn, the structural strength of the locking ring and the inner cooker cover is reduced, the pressure resistance of the electric pressure cooker is reduced, and the electric pressure cooker is easy to crack and leak gas, the utility model provides a cooking appliance; it should be noted that the cooking appliance of the present application includes an electric pressure cooker or an electric rice cooker, but is not limited to both, and the illustrated embodiment of the present application takes an electric pressure cooker as an example.

as shown in fig. 3 to 7, the cooking appliance includes a lid including an upper lid assembly 10, a locking ring 20, an inner lid 30, and an anti-friction structure 40, the locking ring 20 is rotatably disposed below the upper lid assembly 10, the inner lid 30 is disposed below the upper lid assembly 10 and within a range surrounded by the locking ring 20, and the anti-friction structure 40 is rotatably disposed on the locking ring 20 and contacts with an upper surface of the inner lid 30 to prevent the locking ring 20 from sliding friction with the upper surface of the inner lid 30 when rotating.

through set up rotatable antifriction structure 40 on the lock ring 20 of pot cover, and antifriction structure 40 and the upper surface contact of interior pot cover 30, like this, when the lock ring 20 rotates, the upper surface roll of pot cover 30 including antifriction structure 40 to face sliding friction between lock ring 20 and interior pot cover 30 converts into for rolling friction effectively, frictional force between the two has been reduced widely, not only make the rotation of lock ring 20 smooth and easy, be favorable to cooking utensil's convenient operation, and avoided the contact surface between the two to receive wearing and tearing, ensured both to have sufficient structural strength, prevented that lock ring 20 and interior pot cover 30 from appearing the deformation and leading to cooking utensil the phenomenon of gas leakage that breaks that appears under the high pressure, the safety in utilization of cooking utensil has been promoted.

It should be noted that, as shown in fig. 1 and fig. 2, the upper cover assembly 10 includes a lining 11, a surface cover, a rotating rod assembly 12 and a handle 13, wherein the surface cover is disposed on the lining 11, the rotating rod assembly 12 is disposed on the lining 11 and located between the lining 11 and the surface cover, the handle 13 drives a locking ring 20 to rotate through the rotating rod assembly 12, the cooking utensil further includes a pot body, the cover is disposed on the pot body, pot teeth are disposed on the pot body, the locking ring 20 has cover teeth 23, and the locking ring 20 rotates to lock or unlock the pot teeth and the cover teeth 23. In fig. 1, the cover teeth of the locking ring of the upper cover assembly are unlocked from the pot teeth of the pot body, and the pot cover is in an open state; in fig. 2, after the handle 13 drives the locking ring 20 to rotate for a certain angle through the rotating rod assembly 12, the cover teeth of the locking ring are locked with the pot teeth of the pot body, and the pot cover is in a closed state.

In the illustrated embodiment of the present application, as shown in fig. 3 to 7, the antifriction structure 40 is a rolling bearing, the rolling bearing includes a roller 41 and a pivot shaft 42, the roller 41 is pivotally connected to the lock ring 20 through the pivot shaft 42, and the roller 41 contacts with the upper surface of the inner lid 30. Therefore, the rolling bearing is convenient to purchase and low in cost, the overall cost of the cooking utensil is favorably controlled, the economy of the cooking utensil is improved, the rolling bearing is convenient to assemble on the locking ring 20, and the assembly difficulty of the antifriction structure 40 and the locking ring 20 is not too large on the premise of greatly weakening the friction force between the locking ring 20 and the inner pot cover 30.

as shown in fig. 5 to 9, specifically, the locking ring 20 is provided with a mounting through hole 21, the upper surface of the locking ring 20 is provided with two pivoting seats 22 in a protruding manner, the two pivoting seats 22 are located at two sides of the mounting through hole 21, wherein the roller 41 is located at the mounting through hole 21, two axial ends of the roller 41 are respectively provided with a pivoting shaft 42 in a protruding manner, and the two pivoting shafts 42 are connected with the two pivoting seats 22 in a one-to-one correspondence manner. Like this, be favorable to promoting the stability of antifriction bearing installation on lock circle 20, and because running roller 41 is located installation through-hole 21 department, rationally, utilize the structure of lock circle 20 ingeniously for the axial dimension of antifriction bearing and the assembly structure of lock circle 20 is as little as possible, thereby is favorable to the promotion of the compact structure nature of pot cover, is also favorable to cooking utensil's miniaturized design promptly.

Optionally, the upper surface of the pivot seat 22 is higher than the roller 41. Thus, the pivot seat 22 can contact the liner 11 to prevent the roller 41 from directly contacting the liner 11, and generate resistance to the rotation of the lock ring 20, so that the lock ring 20 can rotate more smoothly.

It should be noted that, in order to easily assemble the rolling bearing to the lock ring 20, as shown in fig. 8 and 9, the hole wall surfaces of the mounting through-hole 21 corresponding to the two pivoting seats 22 are inclined to extend from the upper surface of the lock ring 20 to the lower surface of the lock ring 20 to form a guide mounting inclined surface 211. The guide mounting ramp 211 is designed to engage the pivot shaft 42 of the rolling bearing.

Specifically, in an alternative embodiment of the present application, which is not shown in the drawings, the pivot shaft 42 is fixedly connected to the roller 41, and the pivot shaft 42 is made of an elastic deformable material. Thus, when the rolling bearing is installed, the pivot shaft 42 slides along the guide installation inclined surface 211, the pivot shaft 42 deforms under the extrusion effect of the guide installation inclined surface 211, and after the pivot shaft 42 moves over the guide installation inclined surface 211, the pivot shaft 42 restores to the original shape and extends into the installation hole of the pivot seat 22, so that the rolling bearing and the lock ring 20 are stably installed. In this embodiment, the pivot shaft 42 cannot move axially relative to the roller 41, and the pivot shaft 42 and the roller 41 may be an integral structure or assembled together.

Of course, in the illustrated embodiment of the present application, as shown in fig. 6 and 7, the roller 41 has a mounting cavity 411 and two axial through holes 412 communicating with the mounting cavity 411, one portion of each pivot shaft 42 is located in the mounting cavity 411 and stopped at the axial through hole 412, and the other portion of each pivot shaft 42 extends out of the axial through hole 412. The pivot shafts 42 are movably disposed along the axial direction of the roller 41, the rolling bearing further includes an elastic element 43, the elastic element 43 is disposed in the mounting cavity 411, and two ends of the elastic element 43 are respectively abutted against the two pivot shafts 42 to provide an elastic restoring force extending out of the axial through hole 412 for each pivot shaft 42. Thus, when the rolling bearing is installed, the pivot shaft 42 slides along the guide installation inclined surface 211, the pivot shaft 42 can be retracted into the installation cavity 411 through the axial through hole 412, and after the pivot shaft 42 moves over the guide installation inclined surface 211, the pivot shaft 42 extends out of the axial through hole 412 under the action of the elastic reset force provided by the elastic element 43 and extends into the installation hole of the pivot seat 22, so that the rolling bearing and the lock ring 20 are stably installed.

As shown in fig. 5, the anti-friction structure 40 is provided in plurality, and the plurality of anti-friction structures 40 are provided at intervals around the circumferential direction of the lock ring 20. In order to make the antifriction structure 40 improve stable circumferential supporting force between the locking ring 20 and the inner lid 30, the locking ring 20 is prevented from tilting during rotation, thereby improving the operation convenience of the cooking appliance.

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 example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

spatially relative terms, such as "above … …," "above … …," "above … …," "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 of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (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 example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of 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 claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

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 (10)

1. A cooking appliance comprising a lid, the lid comprising:

An upper cover assembly (10);

A lock ring (20), wherein the lock ring (20) is rotatably arranged below the upper cover assembly (10);

The inner pot cover (30), the said inner pot cover (30) is set up below the said upper cover assembly (10), and lie in the range that the said lock ring (20) encloses;

Characterized in that the cooking appliance further comprises:

Antifriction structure (40), antifriction structure (40) rotationally set up lock circle (20) is last, and with the upper surface contact of interior pot cover (30), lock circle (20) pass through when rotating antifriction structure (40) with the upper surface contact of interior pot cover (30).

2. The cooking appliance according to claim 1, wherein the antifriction structure (40) is a rolling bearing comprising a roller (41) and a pivot shaft (42), the roller (41) being pivotally connected to the locking ring (20) by the pivot shaft (42), the roller (41) being in contact with the upper surface of the inner lid (30).

3. the cooking utensil according to claim 2, wherein the locking ring (20) is provided with a mounting through hole (21), the upper surface of the locking ring (20) is provided with two pivoting seats (22) in a protruding manner, the two pivoting seats (22) are located on two sides of the mounting through hole (21), the roller (41) is located at the mounting through hole (21), two axial ends of the roller (41) are respectively provided with one pivoting shaft (42) in a protruding manner, and the two pivoting shafts (42) are connected with the two pivoting seats (22) in a one-to-one correspondence manner.

4. The cooking appliance according to claim 3, wherein a part of the hole wall surface of the mounting through hole (21) corresponding to the two pivoting seats (22) is inclined to extend from the upper surface of the locking ring (20) to the lower surface of the locking ring (20) to form a guide mounting slope (211).

5. The cooking appliance according to claim 3, wherein the upper surface of the pivoting seat (22) is higher than the roller (41).

6. The cooking appliance according to claim 3, wherein the roller (41) has a mounting cavity (411) and two axial through holes (412) communicating with the mounting cavity (411), one part of each pivot shaft (42) is located in the mounting cavity (411) and stops at the axial through holes (412), and the other part of each pivot shaft (42) protrudes out of the axial through holes (412).

7. The cooking appliance according to claim 6, wherein the pivot shaft (42) is fixedly connected with the roller (41), and the pivot shaft (42) is made of an elastically deformable material.

8. the cooking appliance according to claim 6, wherein the pivot shafts (42) are movably disposed along an axial direction of the roller (41), the rolling bearing further comprises an elastic element (43), the elastic element (43) is disposed in the mounting cavity (411), and two ends of the elastic element (43) are respectively abutted against the two pivot shafts (42) to provide an elastic restoring force extending out of the axial through hole (412) for each pivot shaft (42).

9. The cooking appliance according to any one of claims 1 to 8, wherein the friction reducing structure (40) is a plurality of friction reducing structures (40) arranged at intervals around the circumference of the locking collar (20).

10. the cooking utensil of claim 1, wherein the upper cover assembly (10) comprises a lining (11), a surface cover, a rotating rod assembly (12) and a handle (13), wherein the surface cover is arranged on the lining (11), the rotating rod assembly (12) is arranged on the lining (11) and is positioned between the lining (11) and the surface cover, the handle (13) drives the locking ring (20) to rotate through the rotating rod assembly (12), the cooking utensil further comprises a pot body, the pot cover is arranged on the pot body, pot teeth are arranged on the pot body, the locking ring (20) is provided with the cover teeth (23), and the locking ring (20) rotates to lock or unlock the pot teeth and the cover teeth (23).