CN212394574U - Pot cover assembly and cooking utensil with same - Google Patents

Abstract

The utility model provides a pot cover subassembly and have its cooking utensil, wherein, the pot cover subassembly, include: the pot cover comprises a top wall and a side wall, wherein the bottom of the side wall is provided with a cover tooth, and the inner surface of the side wall is provided with a pressure relief concave part. The technical scheme of this application has solved the pressure release direction uncertainty of electric pressure cooker among the correlation technique effectively, causes the problem of injury to the user easily.

Description

Pot cover assembly and cooking utensil with same

Technical Field

The utility model relates to a small household appliances technical field particularly, relates to a pot cover subassembly and have its cooking utensil.

Background

The electric pressure cooker is a common household appliance, wherein a sealing ring, an exhaust passage and a safety valve are arranged on a cooker cover of the electric pressure cooker. The sealing ring comprises a ring body and a lip edge arranged on the ring body, the sealing ring is sealed at the pot cover and the pot opening of the inner pot, and the lip edge is in butt fit with the pot cover to prevent soup in the inner pot from leaking in the high-pressure cooking process.

However, in a high-pressure environment inside the electric pressure cooker, when the exhaust passage and the safety valve are both disabled, the pressure inside the electric pressure cooker needs to be forcibly released when the pressure is high. Due to the processing error of the pot cover, the pot cover is provided with a weak structural strength. In the forced pressure relief process, the sealing ring is easy to generate overlarge deformation at the weak position of the structural strength of the pot cover, so that a gap is easy to generate between the sealing ring and the pot cover, and the pressure relief direction is uncertain and the pressure relief direction of the whole electric pressure cooker is uncertain because the gap is generated at any position in the circumferential direction of the pot cover. When the user operates the electric pressure cooker, the user is easily injured.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a pot cover subassembly and have its cooking utensil to solve the electric pressure cooker's among the correlation technique pressure release direction uncertain, cause the problem of injury to the user easily.

In order to achieve the above object, according to an aspect of the present invention, there is provided a pot cover assembly, including: the pot cover comprises a top wall and a side wall, wherein cover teeth are arranged at the bottom of the side wall, and a pressure relief concave part is arranged on the inner surface of the side wall.

Use the technical scheme of the utility model, be provided with the pressure release depressed part on the internal surface of lateral wall. When pressure in the cooking utensil is very big and needs to be forced to relieve pressure, the lateral wall intensity that is located pressure release depressed part department is relatively weak, and cooking utensil's sealing washer easily produces too big deformation in pressure release depressed part department, and the lateral wall is less to the resistance of sealing washer, forms appointed ground pressure release gap in pressure release depressed part department easily, and the pressure of being convenient for is let out from the pot cover, realizes directional pressure release, avoids causing the injury to the user. Therefore, the technical scheme of the application effectively solves the problems that the pressure relief direction of the electric pressure cooker in the related technology is uncertain and the injury is easily caused to people.

Further, the pressure relief depression is arranged along the radial direction of the cooker cover, and the depression depth B of the pressure relief depression is between 0.2mm and 0.5 mm. When the pressure in the cooking appliance is large and the pressure needs to be forcibly relieved, the deformation amount of the pressure relief concave part can be maximum relative to other positions of the side wall due to the concave depth B, and the corresponding strength is weakest, so that the overhigh pressure in the cooking appliance is easier to be relieved from the pressure relief concave part. Meanwhile, the value of the sunken depth B can also ensure the structural strength of the pot cover under the normal working state.

Further, the width of the pressure relief depression along the opening of the pot cover is larger than that of the bottom. The concave opening is large, the concave bottom is small, and pressure is conveniently released from the pressure relief concave part.

Further, the size of the pressure relief depression in the circumferential direction of the lid is in the range of 30mm to 60 mm. The size value ensures that the pressure relief depressed part can realize directional pressure relief, and simultaneously ensures the structural strength of the side wall at the pressure relief depressed part.

Further, the pot cover assembly further comprises an opening stop valve installation part, and the pressure relief depression part and the opening stop valve installation part are located on the same side of the axis of the pot cover. The structure can avoid the injury caused when the user stands at the front side of the cooker cover

Further, the pot cover assembly further comprises a fixing rib and a sealing ring, a limiting portion is further arranged on the side wall, two ends of the fixing rib penetrate through the limiting portion, a limiting space is formed between a part of the fixing rib and a part of the side wall, and a part of the sealing ring is clamped in the limiting space. The sealing ring can be fixed on the pot cover by the aid of the fixing ribs, and looseness of the sealing ring is prevented.

Further, the sealing washer includes circle body and the rib of setting on enclosing the body, and the rib card is in spacing space, and the sealing washer is still including setting up the sealing lip limit on enclosing the body, and a part in sealing lip limit is located the inboard of pressure release depressed part. The structure makes the pressure relief depression part positioned on one part of the sealing lip easily generate a designated pressure relief gap, and directional pressure relief is realized.

According to another aspect of the present invention, there is provided a cooking appliance, comprising a lid assembly, the lid assembly being the above lid assembly. Because the cover body assembly can solve the problems that the pressure relief direction of the electric pressure cooker in the related art is uncertain and the user is easily injured, the cooking appliance comprising the cover body assembly has the same effect.

Further, cooking utensil still includes the pot body, and pot cover subassembly lid is established on the pot body, and the pot body includes shell and sets up the interior pot in the shell, and the sealing washer of pot cover subassembly seals up in the pot cover of pot cover subassembly and the pot mouthful department of interior pot. The sealing ring can perform a sealing function.

Furthermore, the shell is provided with an operation panel and two handles, the two handles are oppositely arranged on the cooker body, and the pressure relief concave parts of the operation panel and the cooker cover component are respectively positioned at two sides of the two handles. The structure enables the gas coming out of the cooking utensil to be discharged from a position far away from a user, and avoids injury caused by the user standing on the front side of the pot cover.

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 perspective view of an embodiment of a pot lid assembly according to the present invention;

figure 2 shows an exploded view of the lid assembly of figure 1;

figure 3 shows a perspective view of the lid assembly of figure 1;

figure 4 shows a cross-sectional schematic view of the lid assembly of figure 1;

figure 5 shows a schematic cross-sectional view of another location of the lid assembly of figure 1;

fig. 6 shows a schematic top view of an embodiment of a cooking appliance according to the present invention; and

fig. 7 shows a schematic sectional view of the cooking appliance of fig. 6 from a-a.

Wherein the figures include the following reference numerals:

10. a pot cover; 11. a top wall; 12. a side wall; 121. covering teeth; 13. a pressure relief recess; 14. a limiting part; 15. a valve-opening stopping mounting part; 20. a seal ring; 21. a ring body; 22. a rib is protruded; 23. a sealing lip; 30. a pan body; 31. a housing; 32. an inner pot; 40. an operation panel; 50. fixing the ribs; 60. a handle.

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 the user of ordinary skill in the art without creative work belong to the protection scope of the present invention.

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 a user 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.

As shown in fig. 1 to 3, the pot lid assembly of the present embodiment includes a pot lid 10. The lid 10 comprises a top wall 11 and side walls 12. The bottom of the side wall 12 is provided with a cover tooth 121. A pressure relief recess 13 is provided on the inner surface of the side wall 12.

By applying the technical solution of this embodiment, a pressure relief recess 13 is disposed on the inner surface of the sidewall 12. When pressure in the cooking utensil is large and needs to be forcibly decompressed, the strength of the side wall 12 located at the decompression concave part 13 is weak, the sealing ring of the cooking utensil is easy to generate overlarge deformation at the decompression concave part 13, the resistance of the side wall to the sealing ring is small, the overlarge deformation is easy to generate, an appointed decompression gap is easy to form at the decompression concave part 13, the pressure is convenient to be released from the pot cover 10, directional decompression is realized, and the injury to a user is avoided. Therefore, the technical scheme of the embodiment effectively solves the problems that the pressure relief direction of the electric pressure cooker in the related art is uncertain and the user is easily injured. The cover teeth 121 of the present embodiment are of an inward flanging structure. Under the condition that the pot cover assembly covers the pot body of the cooking appliance, the cover teeth 121 can be matched with the pot teeth of the pot body to realize opening and closing of the cover.

As shown in fig. 4 and 5, in the present embodiment, the pressure relief recess 13 is disposed along the radial direction of the lid 10, and the recess depth B of the pressure relief recess is between 0.2mm and 0.5 mm. The pressure relief recess 13 is a recess toward the outer periphery of the side wall (horizontally outward), and when the pressure is too high, the deformation of the seal ring at the pressure relief recess 13 is larger than that at other regions.

When the pressure in the cooking appliance is large and the pressure needs to be forcibly relieved, the above-mentioned depression depth B enables the deformation of the sealing ring to be maximum in the other positions of the pressure relief depression 13 relative to the side wall 12, and the strength of the corresponding side wall 12 is weakest, so that the excessive pressure in the cooking appliance is easier to be relieved from the pressure relief depression 13. Meanwhile, the value of the depression depth B can also ensure the structural strength of the pot cover 10 in a normal working state.

As shown in fig. 2 to 3, in the present embodiment, the width of the mouth of the pressure relief recess 13 is greater than the width of the bottom. Thus, the recess opening is large and the recess bottom is small, so that the pressure can be conveniently released from the pressure relief recess 13. The width mentioned above refers to the width of the pressure relief recess 13 in the circumferential direction of the lid 10.

As shown in fig. 2 to 3, in the present embodiment, the size of the pressure relief recess 13 in the circumferential direction of the lid 10 is in the range of 30mm to 60 mm. The above-mentioned dimension values ensure the structural strength of the side wall 12 at the pressure relief recess 13 while realizing the directional pressure relief of the pressure relief recess 13.

As shown in fig. 1 and 4, according to the operation habit of the user, the cooking appliance is often operated while standing on the front side of the lid 10 (the direction indicated by the arrow in fig. 4), and in this embodiment, in order to avoid injury when the user stands on the front side of the lid 10, the lid assembly further includes a valve-opening preventing mounting portion 15. The pressure relief recess 13 and the valve stop mounting part 15 are located on the same side of the axis of the lid 10.

As shown in fig. 1, 2, 4 and 5, in the present embodiment, the lid assembly further includes a fixing rib 50 and a sealing ring 20. The side wall 12 is further provided with a limiting part 14. Both ends of the fixing rib 50 are inserted into the stopper portion 14. A spacing space is formed between the fixing rib 50 and a portion of the sidewall 12, and a portion of the sealing ring 20 is caught in the spacing space. The sealing ring 20 can be fixed on the pot cover 10 by the fixing rib 50, so that the sealing ring 20 is prevented from loosening. In this embodiment, spacing portion 14 is a plurality of along the circumferential direction interval arrangement of pot cover 10, and two relative spacing portions 14 are provided with first hole and second hole on the surface, and the first end of fixed muscle 50 penetrates to the first downthehole, and the second end of fixed muscle 50 penetrates to the second downthehole to realize that fixed muscle 50 fixes on spacing portion 14. The fixation rib 50 of this embodiment is preferably a steel needle.

In the related art, when the pressure in the cooking appliance is high and the pressure needs to be forcibly released, the thickness of the sealing lip is thin due to the processing error of the sealing ring. In the forced pressure relief process, the sealing ring is easy to generate overlarge deformation, so that a gap is easy to generate at the position with a thinner sealing lip edge. Because the gap appears at any place in the circumferential direction of the cooker cover, the pressure relief direction is uncertain, and the pressure relief of the whole electric pressure cooker is realized.

As shown in fig. 1, 2, 4 and 5, in the present embodiment, the seal ring 20 includes a ring body 21 and a bead 22 provided on the ring body 21. The rib 22 is caught in the space. The seal ring 20 further comprises a sealing lip 23 provided on the ring body 21. A portion of the sealing lip 23 is located inside the pressure relief recess 13. Thus, when the pressure in the cooking utensil is high and the forced pressure relief is required, the thin portion of the sealing lip 23 is easily deformed excessively, the strength of the side wall 12 at the pressure relief recess 13 is weak, the resistance to the sealing ring 20 is small, a specified pressure relief gap is easily formed at the pressure relief recess 13, the pressure is conveniently released from the rear side (the direction shown by the arrow in fig. 4) of the lid 10, and the directional pressure relief is realized. In addition, when the sealing effect of the sealing lip 23 is satisfied, a part of the sealing lip 23 is located inside the pressure relief recess 13.

The present application further provides a cooking appliance, as shown in fig. 6 and 7, in the present embodiment, the cooking appliance includes a lid assembly, and the lid assembly is the above-mentioned lid assembly. The cooker cover component is an Contraband type outer cooker cover, namely a locking cover of Contraband type pressure cooker. The cooking utensil of this embodiment can solve the uncertain pressure release direction of the electric pressure cooker among the correlation technique, causes the problem of injury easily to the user. In this embodiment, the cooking appliance is an electric pressure cooker. Of course, in the embodiment not shown in the figures, the cooking appliance can also be an electric cooker, a low-pressure rice cooker, a soybean milk machine, a food processor, an electric stewpan, and the like.

As shown in fig. 6 and 7, the cooking appliance further includes a pot body 30. The pot cover component is covered on the pot body 30. The pot body 30 includes an outer shell 31 and an inner pot 32 disposed in the outer shell 31. The sealing ring 20 of the pot cover assembly is sealed at the pot openings of the pot cover 10 and the inner pot 32 of the pot cover assembly. In this way, the sealing ring 20 can seal.

As shown in fig. 6 and 7, in the present embodiment, the housing 31 is provided with an operation panel 40 and two handles 60. Two handles 60 are oppositely arranged on the pan body 30. The operation panel 40 and the pressure relief recess 13 of the lid assembly are respectively located at both sides of the two handles 60. In the process of releasing the pressure from the pressure releasing recess 13, the pressure is released from the rear side (the direction shown by the arrow in fig. 7) of the lid 10, so that the directional pressure release is realized, the gas coming out from the cooking utensil is released from a position far away from the user, and the user is prevented from operating on the front side of the lid to cause injury.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

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 should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

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 (9)

1. A lid assembly, comprising:

pot cover (10), including roof (11) and lateral wall (12), the bottom of lateral wall (12) is provided with lid tooth (121), be provided with pressure release depressed part (13) on the internal surface of lateral wall (12), wherein, the width of the oral area of pressure release depressed part (13) is greater than the width of bottom.

2. The pot lid assembly according to claim 1, characterized in that the pressure relief depression (13) is arranged in a radial direction of the pot lid (10), the depression depth B of the pressure relief depression (13) being between 0.2mm and 0.5 mm.

3. Lid assembly according to claim 1, characterized in that the size of the pressure relief depression (13) in the circumferential direction of the lid (10) is in the range of 30 to 60 mm.

4. The lid assembly of claim 1, further comprising an open valve stop mounting portion (15), wherein the pressure relief recess (13) and the open valve stop mounting portion (15) are located on the same side of the axis of the lid (10).

5. The pot cover assembly according to claim 1, further comprising a fixing rib (50) and a sealing ring (20), wherein a limiting portion (14) is further disposed on the side wall (12), two ends of the fixing rib (50) penetrate through the limiting portion (14), a limiting space is formed between the fixing rib (50) and a portion of the side wall (12), and a portion of the sealing ring (20) is clamped in the limiting space.

6. The lid assembly of claim 5, wherein the sealing ring (20) comprises a ring body (21) and a rib (22) arranged on the ring body (21), the rib (22) is clamped in the limiting space, the sealing ring (20) further comprises a sealing lip (23) arranged on the ring body (21), and a part of the sealing lip (23) is positioned inside the pressure relief recess (13).

7. A cooking appliance comprising a lid assembly, wherein the lid assembly is as claimed in any one of claims 1 to 6.

8. The cooking appliance according to claim 7, further comprising a pot body (30), wherein the pot cover assembly is covered on the pot body (30), the pot body (30) comprises an outer shell (31) and an inner pot (32) arranged in the outer shell (31), and the sealing ring (20) of the pot cover assembly is sealed at the pot opening of the inner pot (32) and the pot cover (10) of the pot cover assembly.

9. The cooking appliance according to claim 8, wherein the housing (31) is provided with an operating panel (40) and two handles (60), the two handles (60) are oppositely arranged on the pan body (30), and the operating panel (40) and the pressure relief recess (13) of the pan cover assembly are respectively positioned at two sides of the two handles (60).

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