A sealing structure for an electric kettle lid

Abstract

This utility model discloses a sealing structure for an electric kettle lid, relating to the field of electric kettle technology. The utility model includes a kettle body, a kettle lid, and a kettle handle; the top of the kettle body has an opening, and the top of the kettle body, located around the opening, has a kettle spout; the kettle lid is fitted and sealed at the kettle spout; the kettle lid includes a lid body and a protrusion located below the lid body, with an annular air bladder on the periphery of the protrusion that seals with the inner wall of the kettle spout. This utility model achieves a dynamic seal between the kettle lid and the kettle spout through the elastic deformation of the annular air bladder. The annular air bladder provides an adaptive seal, improving heat preservation efficiency, reducing heat loss, and enhancing safety.

Description

Technical Field

[0001] This utility model belongs to the technical field of electric kettles, and in particular relates to a sealing structure for an electric kettle lid. Background Technology

[0002] Electric kettles are commonly used in our daily lives, mainly because they are convenient to use, small in size, and easy to carry, which is why they are favored by many families. Current electric kettle lids generally consist of a lid plate, a stopper on the underside of the lid plate, and a handle on the upper surface of the lid plate. While this design is convenient for home use, it has significant drawbacks: insufficient sealing performance, leading to heat loss and steam leakage. The fit between the lid and the kettle body is not tight enough, especially during boiling, allowing steam to escape through gaps, reducing heat retention efficiency and potentially causing safety hazards (such as burns). Utility Model Content

[0003] The purpose of this utility model is to provide a sealing structure for an electric kettle lid, which achieves dynamic sealing between the lid and the kettle mouth through the elastic deformation of the annular air bladder, thus solving the problem of steam leakage caused by poor sealing in the prior art.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] This utility model relates to a sealing structure for an electric kettle lid, comprising a kettle body, a kettle lid, and a kettle handle; the top of the kettle body has an opening, and the top of the kettle body located around the opening has a kettle spout; the kettle lid is fitted and sealed at the kettle spout; the kettle lid includes a lid body and a protrusion located below the lid body, and the periphery of the protrusion is provided with an annular air bladder that seals with the inner wall of the kettle spout. Through the elastic deformation of the annular air bladder, a dynamic seal is achieved between the kettle lid and the kettle spout. The annular air bladder provides an adaptive seal, improves heat preservation efficiency, reduces heat loss, and enhances safety.

[0006] Furthermore, the cover and the boss are provided with cavities inside, and the peripheral sidewall of the boss is provided with an opening that communicates with the annular airbag. The cavity serves as a pressure buffer, and steam or air is introduced into the annular airbag through the opening to achieve an inflatable seal of the airbag, which optimizes the sealing response speed. The cavity collects steam pressure and automatically adjusts the expansion of the airbag to ensure that the seal takes effect immediately without manual intervention.

[0007] Furthermore, the cross-section of the annular airbag is semi-circular or arc-shaped, which improves sealing reliability and durability. The arc-shaped airbag reduces stress concentration and extends service life, making it particularly suitable for scenarios involving frequent opening and closing of kettle lids.

[0008] Furthermore, the bottom of the lid located on the outer periphery of the spout is provided with an exhaust hole communicating with the cavity; the top of the lid is provided with a base, the base is provided with a through hole penetrating the lid, a movable rod is provided through the through hole, the end of the movable rod located in the cavity is connected to a connecting plate, and the periphery of the connecting plate is connected to a ring body through the connecting rod; when the ring body falls under its own weight, it abuts against the exhaust hole and seals the exhaust hole.

[0009] Furthermore, the top of the movable rod is connected to an operating head, and the bottom is connected to a limiting protrusion.

[0010] Furthermore, the inner wall of the through hole is provided with an annular groove, and a ceramic sleeve that seals with the movable rod is fitted inside the annular groove. The outer wall of the movable rod is provided with a ceramic layer that guides and seals with the ceramic sleeve. This solves the problem of sealing failure at high temperatures. The fit between the ceramic layer and the ceramic sleeve reduces wear and ensures long-term sealing, making it suitable for environments with repeated boiling of water.

[0011] Furthermore, a guide sleeve is connected to the top side of the cavity and the connecting rod, providing additional support to ensure the linear movement of the movable rod and the connecting rod and reduce deflection.

[0012] Furthermore, the opening is fitted with a filter cup with filter holes, and the top of the filter cup is provided with a flange that rests on the opening, allowing the filter cup to be detached to intercept tea leaves.

[0013] This utility model has the following beneficial effects:

[0014] 1. This utility model achieves dynamic sealing between the lid and the spout of the kettle through the elastic deformation of the annular airbag. The annular airbag provides adaptive sealing, improves heat preservation efficiency, reduces heat loss, and enhances safety.

[0015] 2. This utility model solves the problem of sealing failure at high temperatures by providing a ceramic layer on the outer wall of the movable rod that cooperates with the ceramic sleeve for guidance and sealing. The cooperation between the ceramic layer and the ceramic sleeve reduces wear and ensures long-term sealing performance, making it suitable for environments with repeated boiling of water.

[0016] 3. The cavity of this utility model serves as a pressure buffer zone. Steam or air is introduced into the annular airbag through the opening, thereby achieving an inflatable seal of the airbag. This optimizes the sealing response speed. The cavity collects steam pressure and automatically adjusts the expansion of the airbag to ensure that the seal takes effect immediately without manual intervention.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of the electric kettle of this utility model;

[0020] Figure 2 for Figure 1 The main view;

[0021] Figure 3 for Figure 2 Sectional view at point AA;

[0022] Figure 4 for Figure 3 Enlarged view of a portion of point A in the middle;

[0023] Figure 5 for Figure 3 Enlarged view of a section at point B in the middle;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1-Pot body, 2-Pot lid, 3-Filter cup, 10-Pot handle, 11-Pot spout, 12-Opening, 20-Lid body, 21-Cavity, 22-Boss, 23-Opening, 24-Annular airbag, 25-Exhaust hole, 27-Moving rod, 28-Base, 29-Guide sleeve rod, 31-Flanged edge, 32-Filter hole, 261-Connecting rod, 262-Connecting plate, 263-Ring body, 271-Limiting protrusion ring, 272-Operating head, 281-Through hole, 282-Annular groove, 283-Ceramic sleeve. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Please see Figure 1-3 As shown, this utility model discloses a sealing structure for an electric kettle lid. The lid 2 is assembled on the kettle body 1, and the kettle body 1 is connected to the outside of the handle 10. The lid 2 includes a lid body 20 and a boss 22 located below the lid body 20. The boss 22 has an annular air bladder 24 with a semi-circular cross-section on its periphery. The top of the kettle body 1 is provided with an opening 12, and the top of the kettle body 1 located around the opening 12 is provided with a kettle spout 11. After the lid 2 is installed, the annular air bladder 24 contacts the kettle spout 11. When the inside of the kettle body 1 is heated, the gas inside the annular air bladder 24 expands due to heat, thereby controlling the sealing fit between the annular air bladder 24 and the kettle spout 11.

[0029] Based on the above, such as Figure 4-5 A cavity 21 is formed inside the lid 20 and the boss 22. The peripheral wall of the boss 22 is provided with an opening 23 that communicates with the annular airbag 24. The bottom of the lid 20, located on the outer periphery of the spout 11, is provided with an exhaust hole 25 that communicates with the cavity 21. A base 28 is provided on the top of the lid 20. A through hole 281 is provided in the base 28, and a movable rod 27 is provided through the through hole 281. The bottom end of the movable rod 27 is connected to a connecting plate 262. The periphery of the connecting plate 262 is connected to a ring 263 through the connecting rod 261. When the ring 263 falls and abuts against the exhaust hole 25 under its own weight, it blocks the exhaust hole 25. After boiling the water inside the kettle 1, the movable rod 27 is first moved to release some of the gas in the cavity 21. At this time, the lid 2 can be directly removed from the spout 11.

[0030] To prevent high-temperature gas from escaping from the through hole 281 and causing burns, an annular groove 282 is provided on the inner wall of the through hole 281, and a ceramic sleeve 283 that seals with the movable rod 27 is provided in the annular groove 282. The outer wall of the movable rod 27 is provided with a ceramic layer that guides and seals with the ceramic sleeve 283.

[0031] To facilitate the upward movement of the movable rod 27 and to allow the lid 2 to be directly removed from the spout 11, an operating head 272 is connected to the top of the movable rod 27 and a limiting protrusion ring 271 is connected to the bottom; and a guide sleeve rod 29 is connected to the top side of the cavity 21 and the connecting rod 261.

[0032] Furthermore, a filter cup 3 with a filter hole 32 is provided at the opening 12, and a flange 31 is provided on the top of the filter cup 3 to rest on the opening 12.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sealing structure for an electric kettle lid, characterized in that: It includes the body of the pot (1), the lid (2) and the handle (10); An opening (12) is provided at the top of the pot body (1), and a pot spout (11) is provided at the top of the pot body (1) located around the opening (12). The lid (2) is fitted and sealed at the mouth (11); The lid (2) includes a lid body (20) and a boss (22) provided below the lid body (20). The boss (22) is provided with an annular airbag (24) that seals with the inner wall of the spout (11). The bottom of the lid (20) located on the outer periphery of the spout (11) is provided with an exhaust hole (25) that communicates with the cavity (21). The top of the cover (20) is provided with a base (28), and the base (28) is provided with a through hole (281) penetrating the cover (20). A movable rod (27) is provided through the through hole (281). The end of the movable rod (27) located in the cavity (21) is connected to a connecting plate (262). The periphery of the connecting plate (262) is connected to a ring (263) through the connecting rod (261). When the ring (263) falls down under its own weight and comes into contact with the vent (25), it blocks the vent (25); The top of the movable rod (27) is connected to the operating head (272), and the bottom is connected to the limiting protrusion (271).

2. The sealing structure for an electric kettle lid according to claim 1, characterized in that, The cover (20) and the boss (22) are provided with cavities (21), and the peripheral sidewall of the boss (22) is provided with an opening (23) that communicates with the annular airbag (24).

3. The sealing structure for an electric kettle lid according to claim 2, characterized in that, The cross-section of the annular airbag (24) is semi-circular or arc-shaped.

4. The sealing structure for an electric kettle lid according to claim 1, characterized in that, The inner wall of the through hole (281) is provided with an annular groove (282), and a ceramic sleeve (283) that is sealed and fitted with the movable rod (27) is provided in the annular groove (282). The outer wall of the movable rod (27) is provided with a ceramic layer that is guided and sealed with the ceramic sleeve (283).

5. The sealing structure for an electric kettle lid according to claim 1, characterized in that, The cavity (21) has a guide sleeve (29) connected to the inner top side and the connecting rod (261).

6. The sealing structure for an electric kettle lid according to claim 1, characterized in that, The opening (12) is fitted with a filter cup (3) with a filter hole (32), and the top of the filter cup (3) is fitted with a flange (31) that rests on the opening (12).

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