Plastic cover with double sealing rings and kettle with plastic cover

Abstract

The utility model discloses a plastic cover with double sealing rings and a kettle with the plastic cover. The plastic cover structurally comprises a cover body, the cover body comprises a cover plate, an annular sealing sleeve and a positioning ring; the cover plate is arranged at the upper end of the positioning ring; the annular sealing sleeve wraps the bottom of the positioning ring; assembling rings are arranged on the inner circle of the positioning ring at intervals, an annular assembling groove is formed between the positioning ring and the assembling rings, and an assembling ring embedded in the annular assembling groove extends from the inner side of the annular sealing sleeve; at least two sealing rings are arranged on the outer ring of the annular sealing sleeve; a limiting structure for limiting and positioning the assembly ring is arranged on the assembly ring, the annular sealing sleeve is matched with the assembly ring extending from the annular sealing sleeve to be nested in the annular assembly groove between the positioning ring and the assembly ring, primary positioning is carried out, finally, the assembly ring is limited through the limiting structure on the assembly ring, and secondary positioning is achieved. And the sealing ring on the outer ring of the annular sealing sleeve can be effectively prevented from falling off in the plugging and unplugging process.

Description

Technical Field

[0001] The utility model relates to a plastic cover with a double sealing ring and a kettle with the plastic cover, belonging to the field of kettles. Background Art

[0002] A kettle is a container for holding water. It can be made of a variety of materials, including metal or plastic kettles for boiling water, or portable drinking water bottles. Existing kettles with plug-in plastic lids often have a sealing ring on the outside of the lid to improve sealing. However, this ring can easily fall off during insertion and removal. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a plastic cover with a double sealing ring and a kettle with the plastic cover, so as to solve the problem that the existing kettle with a plug-in plastic cover has a sealing ring on the outside of the plastic cover to improve the sealing effect, but the sealing ring is easily separated during the plug-in and pull-out operation.

[0004] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical solutions: a plastic cover with a double sealing ring, the structure of which includes a cover body;

[0005] The cover body includes a cover plate, an annular sealing sleeve, and a positioning ring;

[0006] A cover plate is provided on the upper end of the positioning ring;

[0007] An annular sealing sleeve wrapped around the bottom of the positioning ring;

[0008] An assembly ring is provided at intervals on the inner ring of the positioning ring, an annular assembly groove is formed between the positioning ring and the assembly ring, and an assembly ring extends from the inner side of the annular sealing sleeve and is nested in the annular assembly groove;

[0009] The outer ring of the annular sealing sleeve is provided with at least two sealing rings;

[0010] The assembly ring is provided with a limiting structure for limiting the positioning of the assembly ring.

[0011] Furthermore, the limiting structure includes a positioning hole and a limiting bolt, the limiting bolt passes through the positioning hole, and the inner ring of the assembly ring is provided with an internal thread groove threadedly connected to the limiting bolt.

[0012] Furthermore, the sealing ring and the annular sealing sleeve are an integrated structure.

[0013] Furthermore, the restriction structure is provided in multiple groups.

[0014] Furthermore, the outer end of the sealing ring has a curved surface.

[0015] Furthermore, the sealing ring is made of silicone material.

[0016] Furthermore, the cover plate, the positioning ring and the assembly ring are connected in a non-detachable manner.

[0017] Furthermore, the non-detachable manner is one of integral injection molding, hot pressing, and gluing.

[0018] Furthermore, the limiting bolt is made of one of stainless steel and plastic.

[0019] A kettle is connected to a plastic cover, the kettle opening faces upward, the positioning ring is nested in the kettle opening, and the annular sealing sleeve and the sealing ring are tightly fitted to the inner wall of the kettle opening.

[0020] The beneficial effects of the utility model are as follows: the annular sealing sleeve cooperates with the assembly ring extended from it to be nested in the annular assembly groove between the positioning ring and the assembly ring to perform preliminary positioning, and finally the assembly ring is restricted by the restriction structure on the assembly ring to achieve secondary positioning, which can effectively prevent the sealing ring of the outer ring of the annular sealing sleeve from falling off during the insertion and removal process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0022] Figure 1 This is a schematic diagram of the connection structure between a plastic cover with a double sealing ring and a kettle according to the present invention;

[0023] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a plastic cover with a double sealing ring. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] Example 1

[0026] See also Figure 1 、 Figure 2 The utility model provides a technical solution of a plastic cover with a double sealing ring and a kettle with the plastic cover: the structure includes a cover body 1;

[0027] The cover body 1 includes a cover plate 101, an annular sealing sleeve 102, and a positioning ring 103;

[0028] The cover plate 101 is provided on the upper end of the positioning ring 103;

[0029] The annular sealing sleeve 102 is wrapped around the bottom of the positioning ring 103;

[0030] An assembly ring 104 is provided inside the positioning ring 103 , and an annular assembly groove 105 is formed between the positioning ring 103 and the assembly ring 104 . An assembly ring 106 extends inside the annular sealing sleeve 102 and is nested in the annular assembly groove 105 .

[0031] The outer ring of the annular sealing sleeve 102 is provided with at least two sealing rings 107;

[0032] The assembly ring 104 is provided with a limiting structure for limiting the positioning of the assembly ring 106 .

[0033] In order to improve the firmness, the limiting structure includes a positioning hole 108 and a limiting bolt 110 . The limiting bolt 110 passes through the positioning hole 108 . The inner ring of the assembly ring 106 is provided with an internal thread groove 109 threadedly connected to the limiting bolt 110 .

[0034] In order to improve the stability of the connection, the sealing ring 107 and the annular sealing sleeve 102 are integrated into one structure.

[0035] In order to better limit the positioning, the limiting structures are provided in multiple groups.

[0036] In order to facilitate plugging and unplugging, the outer end of the sealing ring 107 has a curved surface.

[0037] In order to improve the sealing performance, the sealing ring 107 is made of silicone material.

[0038] In order to improve the firmness of the connection, the cover plate 101, the positioning ring 103, and the assembly ring 104 are connected in a non-detachable manner, and the non-detachable manner is one of integral injection molding, hot pressing, and gluing.

[0039] In order to improve the connection strength, the limiting bolt 110 is made of stainless steel.

[0040] A kettle, wherein the kettle 2 is connected to a plastic cover, the opening of the kettle 2 faces upward, the positioning ring 103 is nested in the opening of the kettle 2, and the annular sealing sleeve 102 and the sealing ring 107 are tightly fitted to the inner wall of the opening of the kettle 2.

[0041] The annular sealing sleeve cooperates with its extended assembly ring to nest in the annular assembly groove between the positioning ring and the assembly ring for preliminary positioning. Finally, the assembly ring is restricted by the restriction structure on the assembly ring to achieve secondary positioning, which can effectively prevent the sealing ring of the outer ring of the annular sealing sleeve from falling off during the insertion and removal process.

[0042] Example 2

[0043] See also Figure 1 、 Figure 2 The utility model provides a technical solution of a plastic cover with a double sealing ring and a kettle with the plastic cover: the structure includes a cover body 1;

[0044] The cover body 1 includes a cover plate 101, an annular sealing sleeve 102, and a positioning ring 103;

[0045] The cover plate 101 is provided on the upper end of the positioning ring 103;

[0046] The annular sealing sleeve 102 is wrapped around the bottom of the positioning ring 103;

[0047] An assembly ring 104 is provided inside the positioning ring 103 , and an annular assembly groove 105 is formed between the positioning ring 103 and the assembly ring 104 . An assembly ring 106 extends inside the annular sealing sleeve 102 and is nested in the annular assembly groove 105 .

[0048] The outer ring of the annular sealing sleeve 102 is provided with at least two sealing rings 107;

[0049] The assembly ring 104 is provided with a limiting structure for limiting the positioning of the assembly ring 106 .

[0050] In order to improve the firmness, the limiting structure includes a positioning hole 108 and a limiting bolt 110 . The limiting bolt 110 passes through the positioning hole 108 . The inner ring of the assembly ring 106 is provided with an internal thread groove 109 threadedly connected to the limiting bolt 110 .

[0051] In order to improve the stability of the connection, the sealing ring 107 and the annular sealing sleeve 102 are integrated into one structure.

[0052] In order to better limit the positioning, the limiting structures are provided in multiple groups.

[0053] In order to facilitate plugging and unplugging, the outer end of the sealing ring 107 has a curved surface.

[0054] In order to improve the sealing performance, the sealing ring 107 is made of silicone material.

[0055] In order to improve the firmness of the connection, the cover plate 101, the positioning ring 103, and the assembly ring 104 are connected in a non-detachable manner, and the non-detachable manner is one of integral injection molding, hot pressing, and gluing.

[0056] In order to improve the strength of the connection, the limiting bolt 110 is made of plastic.

[0057] A kettle, wherein the kettle 2 is connected to a plastic cover, the opening of the kettle 2 faces upward, the positioning ring 103 is nested in the opening of the kettle 2, and the annular sealing sleeve 102 and the sealing ring 107 are tightly fitted to the inner wall of the opening of the kettle 2.

[0058] The annular sealing sleeve cooperates with its extended assembly ring to nest in the annular assembly groove between the positioning ring and the assembly ring for preliminary positioning. Finally, the assembly ring is restricted by the restriction structure on the assembly ring to achieve secondary positioning, which can effectively prevent the sealing ring of the outer ring of the annular sealing sleeve from falling off during the insertion and removal process.

[0059] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0060] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A plastic cover with a double sealing ring, characterized in that: Its structure includes a cover body (1); The cover body (1) comprises a cover plate (101), an annular sealing sleeve (102), and a positioning ring (103); A cover plate (101) is provided on the upper end of the positioning ring (103); An annular sealing sleeve (102) is wrapped around the bottom of the positioning ring (103); An assembly ring (104) is provided at intervals on the inner ring of the positioning ring (103), an annular assembly groove (105) is formed between the positioning ring (103) and the assembly ring (104), and an assembly ring (106) is extended from the inner side of the annular sealing sleeve (102) and is nested in the annular assembly groove (105); The outer ring of the annular sealing sleeve (102) is provided with at least two sealing rings (107), and the sealing rings (107) and the annular sealing sleeve (102) are an integrated structure; The assembly ring (104) is provided with a limiting structure for limiting the positioning of the assembly ring (106), the limiting structure comprising a positioning hole (108) and a limiting bolt (110), the limiting bolt (110) passing through the positioning hole (108), the inner ring of the assembly ring (106) is provided with an internal thread groove (109) threadedly connected to the limiting bolt (110), and the limiting structure is provided in multiple groups.

2. The plastic cover with double sealing ring according to claim 1, characterized in that: The outer end of the sealing ring (107) has a curved surface.

3. The plastic cover with double sealing ring according to claim 2, characterized in that: The sealing ring (107) is made of silicone material.

4. The plastic cover with double sealing ring according to claim 1, characterized in that: The cover plate (101), the positioning ring (103), and the assembly ring (104) are connected in a non-detachable manner.

5. The plastic cover with double sealing ring according to claim 4, characterized in that: The non-detachable manner is one of integral injection molding, hot pressing, and gluing.

6. The plastic cover with double sealing ring according to claim 1, characterized in that: The limiting bolt (110) is made of a material selected from the group consisting of stainless steel and plastic.

7. A kettle, characterized in that: The kettle (2) is connected to the plastic cover according to any one of claims 1 to 6, the opening of the kettle (2) faces upward, the positioning ring (103) is nested in the opening of the kettle (2), and the annular sealing sleeve (102) and the sealing ring (107) are tightly fitted to the inner wall of the opening of the kettle (2).

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