CN211408640U - Upper cover subassembly and cooking utensil - Google Patents

Abstract

The utility model provides an upper cover subassembly and cooking utensil, this upper cover subassembly includes: a pot cover; the sealing ring is detachably arranged on the cooker cover and is provided with a pressure relief section, and the wall thickness of the sealing ring at the pressure relief section is smaller than the wall thickness of other parts of the sealing ring; and the positioning structure is arranged between the pot cover and the sealing ring and is used for assembling and positioning the sealing ring. Through the technical scheme that this application provided, can solve the problem that the compulsory pressure release among the prior art does not have fixed direction.

Description

Upper cover subassembly and cooking utensil

Technical Field

The utility model relates to a cooking utensil technical field particularly, relates to an upper cover subassembly and cooking utensil.

Background

Generally, in order to avoid the excessive pressure inside the electric pressure cooker, a forced pressure relief structure is arranged inside the electric pressure cooker, and when the pressure inside the electric pressure cooker exceeds a preset pressure, the gas inside the electric pressure cooker can be exhausted through the forced pressure relief structure.

However, in the prior art, in the process of forcibly releasing the pressure of the electric pressure cooker, the gas in the cooker is discharged from the periphery of the cooker, which is easy to cause injury to users. Therefore, the prior art has the problem that the forced pressure relief has no fixed direction.

SUMMERY OF THE UTILITY MODEL

The utility model provides an upper cover subassembly and cooking utensil to solve the problem that the pressure release of forcing among the prior art does not have fixed direction.

According to an aspect of the present invention, there is provided an upper cover assembly, the upper cover assembly including: a pot cover; the sealing ring is detachably arranged on the cooker cover and is provided with a pressure relief section, and the wall thickness of the sealing ring at the pressure relief section is smaller than the wall thickness of other parts of the sealing ring; and the positioning structure is arranged between the pot cover and the sealing ring and is used for assembling and positioning the sealing ring.

Use the technical scheme of the utility model, this upper cover subassembly includes pot cover, sealing washer and location structure. When the pressure in the cooking utensil exceeds the preset pressure, the pressure relief section can break first because the wall thickness of the sealing ring at the pressure relief section is smaller than the wall thickness of other parts of the sealing ring, and the gas in the cooking utensil can be discharged through the pressure relief section. And, because location structure can assemble the location to the sealing washer to can fix a position the position of pressure release section, and then make the gas only can discharge through the assigned position when forcing the pressure release.

Further, the sealing washer includes sealed main part, upper lip limit and lower lip limit, and upper lip limit and lower lip limit set up respectively in sealed main part's both sides, are provided with the pressure release section on at least one of upper lip limit and lower lip limit, and when pressure in the cooking utensil reached preset pressure, high-temperature gas accessible pressure release section was discharged smoothly.

Furthermore, the positioning structure comprises a first positioning piece and a second positioning piece, the first positioning piece is arranged on the pot cover, the second positioning piece is arranged on the sealing ring, and the first positioning piece and the second positioning piece are matched to form the positioning structure. The positioning precision of the positioning structure can be improved by matching the first positioning piece and the second positioning piece.

Further, first locating part includes the location boss, and the second locating part includes the constant head tank, and two at least location bosss set up on the inner wall of pot cover, and two at least constant head tanks setting are on the outer wall of sealing washer, and a location boss corresponds to insert and establish in a constant head tank. Adopt above-mentioned structure, can enough promote positioning accuracy, can play the foolproof effect again, avoid the user to adorn the sealing washer anti-sticking to make the pressure release section can only assemble in the assigned position.

Furthermore, the sealing ring also comprises a plurality of fixing lugs which are arranged on the outer wall of the sealing ring at intervals and extend towards the inner wall of the pot cover; the pot cover includes a plurality of spacing convex parts, and a plurality of spacing convex parts intervals set up on the inner wall of pot cover, and fixed ear is located the interval of two adjacent spacing convex parts. By adopting the structure, after the sealing ring is assembled on the pot cover, the limiting convex part is matched with the fixing lug, so that the sealing ring can be limited, and the sealing ring can be prevented from rotating relative to the pot cover.

Further, be provided with the constant head tank on two at least fixed ears, be provided with the location boss in two at least intervals, the location boss corresponds the constant head tank setting, so can play the effect of preventing slow-witted when realizing the positioning.

Further, the upper cover subassembly still includes spacing post, and the both ends of spacing convex part all are provided with the trompil, and the both ends of spacing post are worn to establish respectively in the trompil of two adjacent spacing convex parts, and spacing post is used for the fixed ear of restriction to remove, can utilize the fixed ear of spacing post restriction to remove to avoid the sealing washer to break away from the pot cover.

Furthermore, two positioning grooves are formed in the outer wall of the sealing ring, and the distance between the pressure relief section and the two positioning grooves is equal, so that the sealing ring can be prevented from being reversely mounted.

Further, in the circumferential direction of sealing washer, the length dimension of pressure release section is between 20mm to 40mm, so can enough guarantee the pressure release effect of pressure release section, can guarantee the structural strength and the sealing performance of sealing washer again.

According to the utility model discloses an on the other hand provides a cooking utensil, and cooking utensil includes the above-mentioned upper cover subassembly that provides, and the gaseous accessible pressure release section in the cooking utensil so forces the discharge from the assigned position, can avoid high-temperature gas to cause the injury to the user, can promote device's security performance.

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 structural diagram of an upper cover assembly provided by the present invention;

FIG. 2 shows a schematic structural view of the seal ring of FIG. 1;

FIG. 3 shows a cross-sectional view at A-A in FIG. 2;

FIG. 4 shows a cross-sectional view at B-B in FIG. 2;

fig. 5 shows a partial enlarged view at C in fig. 4;

figure 6 shows a schematic view of the construction of the lid of figure 1;

fig. 7 shows an exploded view of the upper cover assembly provided by the present invention.

Wherein the figures include the following reference numerals:

10. a pot cover; 11. a limiting convex part;

20. a seal ring; 21. a pressure relief section; 22. a sealing body; 23. an upper lip edge; 24. a lower lip edge; 25. fixing the ear;

30. a positioning structure; 31. positioning the boss; 32. positioning a groove;

40. a limiting column.

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.

As shown in fig. 1 to 7, an embodiment of the present invention provides an upper cover assembly, which includes a pot cover 10, a sealing ring 20 and a positioning structure 30. Wherein, the sealing ring 20 is detachably arranged on the pot cover 10, and the positioning structure 30 is arranged between the pot cover 10 and the sealing ring 20. The positioning structure 30 can be disposed on the lid 10, or on the sealing ring 20, or on both the lid 10 and the sealing ring 20. Specifically, sealing washer 20 has pressure release section 21, and the wall thickness that is located pressure release section 21 department of sealing washer 20 is less than the wall thickness of other positions of sealing washer 20, and when pressure in the cooking utensil reached preset pressure, through utilizing location structure 30 to assemble the location to sealing washer 20, can be so that pressure release section 21 on the sealing washer 20 is located the assigned position, and when cooking utensil carried out the pressure release by force, the gas in the cooking utensil can only be discharged through the assigned position.

Use the upper cover subassembly that this embodiment provided, through set up the thinner pressure release section 21 of thickness relative other positions on sealing washer 20, and utilize location structure 30 to carry out the positioning to sealing washer 20, set up pressure release section 21 in the position of keeping away from the user, when pressure in the cooking utensil reaches preset pressure, pressure release section 21 can break first, gaseous accessible pressure release section 21 in the cooking utensil is forced to be discharged from the assigned position, can avoid high-temperature gas to cause the injury to the user, can promote device's security performance.

In order to avoid injury to the user, the positioning structure 30 may be used to position and mount the pressure relief section 21 on the rear side of the cooking appliance, or away from the operation panel of the cooking appliance, so that when the gas is exhausted from the cooking appliance, the gas does not cause injury to the user. In the present embodiment, the pressure relief section 21 is located at the rear side of the cooking appliance.

As shown in fig. 5, the seal ring 20 includes a seal main body 22, an upper lip 23, and a lower lip 24, and the upper lip 23 and the lower lip 24 are respectively provided on both sides of the seal main body 22. By providing the pressure relief section 21 on at least one of the upper lip 23 and the lower lip 24, when the pressure in the cooking appliance reaches a preset pressure, high-temperature gas can be smoothly discharged through the pressure relief section 21. In the present embodiment, in order to enhance the pressure relief effect and the pressure relief stability, the pressure relief section 21 is provided on each of the upper lip 23 and the lower lip 24. Specifically, the pressure relief section 21 is formed by thinning the upper lip 23 and the lower lip 24.

Specifically, the positioning structure 30 includes a first positioning member and a second positioning member, the first positioning member is disposed on the pot lid 10, the second positioning member is disposed on the sealing ring 20, and the first positioning member and the second positioning member cooperate to form the positioning structure 30. The positioning accuracy of the positioning structure 30 can be improved by matching the first positioning member and the second positioning member.

In this embodiment, the first positioning element includes a positioning boss 31, the second positioning element includes a positioning groove 32, and the positioning boss 31 and the positioning groove 32 are matched to position the sealing ring 20. In order to improve the positioning accuracy and prevent the user from reversely mounting the sealing ring 20, at least two positioning bosses 31 are provided on the inner wall of the pot cover 10, at least two positioning grooves 32 are provided on the outer wall of the sealing ring 20, and one positioning boss 31 is correspondingly inserted into one positioning groove 32. Adopt above-mentioned structure, can enough promote positioning accuracy, can play the foolproof effect again, avoid the user to adorn sealing washer 20 anti-sticking to make pressure release section 21 can only assemble in the assigned position. In other embodiments, the first positioning element can be set as a positioning groove, and the second positioning element can be set as a positioning boss, as long as the assembly positioning can be realized.

Wherein, the sealing ring 20 further comprises a plurality of fixing lugs 25, the plurality of fixing lugs 25 are arranged on the outer wall of the sealing ring 20 at intervals, and the fixing lugs 25 extend towards the inner wall of the pot cover 10. Moreover, the pot cover 10 comprises a plurality of limit convex parts 11, the limit convex parts 11 are arranged on the inner wall of the pot cover 10 at intervals, and the fixing lugs 25 are positioned in the interval between two adjacent limit convex parts 11. By adopting the structure, after the sealing ring 20 is assembled on the pot cover 10, the limit convex part 11 is matched with the fixing lug 25, the sealing ring 20 can be limited, and the sealing ring 20 can be prevented from rotating relative to the pot cover 10. Specifically, the size of the fixing lug 25 is gradually reduced in the direction away from the center of the seal ring 20, and the shape of the space between the two limit protrusions 11 is matched with the shape of the fixing lug 25, so that the fixing lug 25 is conveniently placed between the two limit protrusions 11. In the present embodiment, the sealing ring 20 includes four fixing lugs 25, and the lid 10 includes four limit protrusions 11.

In order to realize effective positioning, positioning grooves 32 are formed in at least two fixing lugs 25, positioning bosses 31 are arranged in at least two intervals, and the positioning bosses 31 are arranged corresponding to the positioning grooves 32. And, the constant head tank 32 adopts the mode setting of non-central symmetry on sealing washer 20, cooperatees through constant head tank 32 and location boss 31, can play the effect of preventing slow-witted when realizing the positioning-assembling.

In order to stop the sealing ring 20, the upper cover assembly further comprises a limiting column 40, both ends of the limiting convex part 11 are provided with openings, both ends of the limiting column 40 are respectively arranged in the openings of the two adjacent limiting convex parts 11 in a penetrating manner, the limiting column 40 can be used for limiting the movement of the fixing lug 25, and therefore the sealing ring 20 is prevented from being separated from the pot cover 10. In this embodiment, the distance between the bottommost surface of the limiting column 40 and the positioning boss 31 is between 0.5mm and 1mm, so that the stopping effect of the limiting column 40 on the sealing ring 20 can be ensured, and the assembly is facilitated. In other embodiments, the retention posts 40 may be threaded onto the mounting ears 25. In this embodiment, the restraint posts 40 comprise steel pins.

In this embodiment, two positioning grooves 32 are disposed on the outer wall of the sealing ring 20, and the distance between the pressure relief section 21 and the two positioning grooves 32 is equal, so that the sealing ring 20 is prevented from being reversely installed. Specifically, two positioning grooves 32 are arranged adjacently, and the angle between the central position of the pressure relief section 21 and the central position of the two positioning grooves 32 is 45 °. In other embodiments, the center position of the pressure relief section 21 and the center positions of the two positioning grooves 32 may be both at an angle of 135 °.

Wherein, in the direction of circumference of sealing washer 20, the length dimension of pressure release section 21 is between 20mm to 40mm, so can enough guarantee the pressure release effect of pressure release section 21, can guarantee sealing washer 20's structural strength and sealing performance again.

The utility model discloses another embodiment provides a cooking utensil, this cooking utensil includes the above-mentioned upper cover subassembly that provides, and gaseous accessible pressure release section 21 in the cooking utensil so forces the discharge from the assigned position, can avoid high-temperature gas to cause the injury to the user, can promote device's security performance. Wherein, the cooking utensil comprises an electric pressure cooker and an electric cooker.

Through the device that this embodiment provided, utilize constant head tank 32 and location boss 31 to cooperate, can make the rear portion of the device of the pressure release section 21 subtend of sealing washer 20, because pressure release section 21 is thin relative to other positions thickness, when sealing washer 20 pressurized, pressure release section 21's compressive property is relatively poor, and pressure release section 21 can break first to can play the effect of directional pressure release.

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.

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 (10)

1. A cover assembly, comprising:

a pan cover (10);

the sealing ring (20) is detachably arranged on the pot cover (10), the sealing ring (20) is provided with a pressure relief section (21), and the wall thickness of the sealing ring (20) at the pressure relief section (21) is smaller than that of other parts of the sealing ring (20);

the positioning structure (30) is arranged between the pot cover (10) and the sealing ring (20), and the positioning structure (30) is used for assembling and positioning the sealing ring (20).

2. The upper cover assembly according to claim 1, wherein the sealing ring (20) comprises a sealing body (22), an upper lip (23) and a lower lip (24), the upper lip (23) and the lower lip (24) are respectively disposed at both sides of the sealing body (22), and the pressure relief section (21) is disposed on at least one of the upper lip (23) and the lower lip (24).

3. The upper cover assembly according to claim 1, wherein the positioning structure (30) comprises a first positioning member and a second positioning member, the first positioning member is disposed on the pot cover (10), the second positioning member is disposed on the sealing ring (20), and the first positioning member and the second positioning member cooperate to form the positioning structure (30).

4. The upper cover assembly according to claim 3, wherein the first positioning member comprises a positioning boss (31), the second positioning member comprises a positioning groove (32), at least two positioning bosses (31) are arranged on the inner wall of the pot cover (10), at least two positioning grooves (32) are arranged on the outer wall of the sealing ring (20), and one positioning boss (31) is correspondingly inserted into one positioning groove (32).

5. The lid assembly of claim 4,

the sealing ring (20) further comprises a plurality of fixing lugs (25), the fixing lugs (25) are arranged on the outer wall of the sealing ring (20) at intervals, and the fixing lugs (25) extend towards the inner wall of the pot cover (10);

the pot cover (10) comprises a plurality of limiting convex parts (11), the limiting convex parts (11) are arranged on the inner wall of the pot cover (10) at intervals, and the fixing lugs (25) are positioned in the intervals of the limiting convex parts (11).

6. The upper cover assembly according to claim 5, wherein the positioning groove (32) is provided on at least two of the fixing lugs (25), the positioning boss (31) is provided in at least two of the spaces, and the positioning boss (31) is provided corresponding to the positioning groove (32).

7. The upper cover assembly according to claim 5, further comprising a limiting column (40), wherein two ends of the limiting convex portion (11) are provided with openings, two ends of the limiting column (40) are respectively arranged in the openings of two adjacent limiting convex portions (11) in a penetrating manner, and the limiting column (40) is used for limiting the movement of the fixing lug (25).

8. The upper cover assembly according to claim 4, wherein the outer wall of the sealing ring (20) is provided with two positioning grooves (32), and the pressure relief section (21) is equidistant from the two positioning grooves (32).

9. Cover assembly according to claim 1, wherein the relief section (21) has a length dimension in the circumferential direction of the sealing ring (20) of between 20mm and 40 mm.

10. A cooking appliance, characterized in that it comprises a cover assembly according to any one of claims 1 to 9.

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