Pressure-resistant anti-leakage metal bottle cap

By adding reinforcement plate and slot and block structure between the shell and lining of the metal bottle cap, the compression resistance of the lining is enhanced, and combined with the leak-proof component, the problem of deformation of the existing metal bottle cap in high-pressure environment is solved, achieving higher sealing and reliability.

CN222611829UActive Publication Date: 2025-03-14XUZHOU TIANYI COVERS MAKING CO LTD
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Patent Information

Application Number
CN202421023819.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-03-14
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

When existing metal bottle caps create pressure in the bottle body, the lining will lift the shell, causing the metal shell to deform, causing the bottle cap to deform or even be unable to open.

Method used

A pressure-resistant and leak-proof metal bottle cap is designed. By adding a uniformly distributed reinforcement plate between the shell and the lining, and a first card block, a first card slot, a second card block and a second card slot are provided. The reinforcement plates are connected together by connecting rings to enhance the compressive resistance of the lining, while a leakage-proof assembly is provided to improve sealing.

Benefits of technology

It effectively increases the compressive resistance of the inner lining, avoids deformation of the shell, ensures that the bottle cap can still be opened and closed normally under high-pressure environment, and improves sealing, preventing internal pressure from causing deformation or misalignment of the seal gasket.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pressure-resistant and leakage-proof metal bottle cap which comprises a main body assembly, a pressure-resistant and leakage-proof metal bottle cap body and a pressure-resistant and leakage-proof metal bottle cap body. The lining is plugged in the shell; the supporting assembly comprises a reinforcing plate, a first clamping groove, a second clamping groove, a first clamping block, a second clamping block and a connecting ring; the second clamping blocks are connected to the top of the lining in an injection molding mode and evenly distributed, the first clamping blocks are welded to the inner top of the shell and evenly distributed, the first clamping grooves are formed in the side edge of the reinforcing plate, the second clamping grooves are formed in the bottom of the reinforcing plate and communicated with the first clamping grooves, the reinforcing plate is clamped to the first clamping blocks through the first clamping grooves, and the connecting ring is connected to the inner side of the reinforcing plate in an injection molding mode. The utility model relates to a metal bottle cap, and aims to solve the problems that a lining of an existing metal bottle cap is usually plugged in a metal shell, the top of the lining is attached to the inner top surface of the metal shell, and when pressure is generated in a bottle body and acts on the lining, the lining directly jacks up the shell, so that the metal shell deforms, and the bottle cap deforms and even cannot be opened.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal bottle caps, in particular to a pressure-resistant and leak-proof metal bottle cap. Background Art

[0002] Metal bottle caps are a type of packaging material used to seal containers, usually made of metal materials such as aluminum or tinplate. Pressure-proof metal bottle caps are specially designed to seal packaging containers. They are designed to effectively prevent leakage of the contents, and are particularly suitable for packaging products such as liquids and gases that may expand under certain temperatures or pressures. These bottle caps are usually made of metal materials such as tinned steel sheets, tin-free steel sheets, or aluminum and aluminum alloys to ensure sufficient strength and pressure resistance.

[0003] However, it still has the following disadvantages in actual use:

[0004] Existing metal bottle caps usually have an inner liner inserted into a metal outer shell, with the top of the inner liner fitting against the inner top surface of the metal outer shell. When pressure is generated in the bottle, it acts on the inner liner, which will directly lift up the outer shell, causing the metal outer shell to deform, and the bottle cap to deform or even become unable to be opened. Utility Model Content

[0005] The utility model aims to provide a pressure-resistant and leak-proof metal bottle cap to solve the problem raised in the above-mentioned background technology that the existing metal bottle caps are usually composed of an inner liner plugged into a metal outer shell, with the top of the inner liner fitting against the inner top surface of the metal outer shell. When pressure is generated in the bottle, it acts on the inner liner, and the inner liner will directly lift up the outer shell, causing the metal outer shell to deform, and the bottle cap to deform or even become unable to be opened.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a pressure-resistant and leak-proof metal bottle cap, comprising:

[0008] a main body assembly, the main body assembly comprising an outer shell and an inner liner;

[0009] The liner is plugged inside the shell;

[0010] A support assembly, the support assembly comprising a reinforcing plate, a first card slot, a second card slot, a first card block, a second card block and a connecting ring;

[0011] The second card block is injection-molded and connected to the top of the liner and is evenly distributed. The first card block is welded to the top of the shell and is evenly distributed. The first card slot is opened on the side of the reinforcement plate. The second card slot is opened at the bottom of the reinforcement plate and is connected to the first card slot. The reinforcement plate is engaged with the first card block through the first card slot, and the connecting ring is injection-molded and connected to the inner side of the reinforcement plate.

[0012] Furthermore, the second card block is engaged in the second card slot, and the reinforcing plate is connected between the outer shell and the lining.

[0013] Furthermore, the main body assembly also includes a threaded port and a sealing gasket;

[0014] The threaded opening is arranged on the inner wall of the liner, and the sealing gasket is movably connected inside the liner.

[0015] Further, it also includes a leak-proof component;

[0016] The anti-leakage assembly includes a connection plate, a first through hole and a second through hole;

[0017] The connection plate is placed on the top of the inner liner, and the first through hole and the second through hole are opened at one end of the connection plate.

[0018] Further, the anti-leakage assembly also includes a first spring and a second spring;

[0019] The upper end of the first spring is inserted into the first through hole, and the second spring is inserted into the second through hole.

[0020] Furthermore, the anti-leakage component also includes another group of connecting disks, and this group of connecting disks is connected to the lower ends of the first spring and the second spring, and the lower surface of this group of connecting disks is in contact with the upper surface of the sealing gasket.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] 1. The utility model, through the setting of the support assembly, adds evenly distributed reinforcing plates between the gold shell and the lining, which can increase the compressive resistance of the lining. At the same time, the first clamping block, the first clamping slot, the second clamping block and the second clamping slot are convenient for connecting the reinforcing plates to the shell and the lining. The coordinated connecting ring connects the reinforcing plates together, which is convenient for unified installation of the reinforcing plates. This setting increases the compressive resistance of the lining and can avoid deformation of the shell.

[0023] 2. The utility model provides a leak-proof component, and the connecting plate, the first through hole and the second through hole are convenient for fixing the first spring and the second spring. The first spring and the second spring can firmly hold the sealing gasket against the bottle mouth to prevent the internal pressure from causing deformation or dislocation of the sealing gasket. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1It is a schematic diagram of the internal structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0027] Figure 3 This is a bottom view of the inner liner of the utility model;

[0028] Figure 4 It is a top view of the inner lining of the utility model;

[0029] Figure 5 This is a schematic diagram of the interior of the housing of the utility model;

[0030] Figure 6 This is a schematic diagram of the reinforcing plate and connecting ring structure of the utility model;

[0031] Figure 7 It is a schematic diagram of the structure of the leak-proof component of the utility model.

[0032] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0033] 10. Shell; 11. Liner; 12. Threaded port; 13. Sealing gasket; 20. Reinforcement plate; 21. First slot; 22. Second slot; 23. First block; 24. Second block; 25. Connecting ring; 30. Connecting plate; 31. First through hole; 32. Second through hole; 33. First spring; 34. Second spring. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0035] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0036] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1-6 As shown, this embodiment is a pressure-resistant and leak-proof metal bottle cap, comprising:

[0038] A main body component, the main body component includes an outer shell 10 and an inner liner 11;

[0039] The liner 11 is plugged inside the shell 10;

[0040] The outer shell 10 is used to fix the inner liner 11, and the bottle mouth can be closed by the inner liner 11;

[0041] A support assembly, the support assembly includes a reinforcing plate 20, a first card slot 21, a second card slot 22, a first card block 23, a second card block 24 and a connecting ring 25;

[0042] The second clamping block 24 is injection-molded and connected to the top of the liner 11 and is evenly distributed. The first clamping block 23 is welded to the top of the shell 10 and is evenly distributed. The first clamping slot 21 is opened at the side of the reinforcing plate 20. The second clamping slot 22 is opened at the bottom of the reinforcing plate 20 and is connected to the first clamping slot 21. The reinforcing plate 20 is clamped on the first clamping block 23 through the first clamping slot 21. The connecting ring 25 is injection-molded and connected to the inner side of the reinforcing plate 20.

[0043] The reinforcing plate 20 plays a reinforcing role, the first clamping groove 21 cooperates with the first clamping block 23, the second clamping groove 22 cooperates with the second clamping block 24 to play a connecting role, and the connecting ring 25 plays a connecting role;

[0044] The second clamping block 24 is clamped in the second clamping slot 22, and the reinforcing plate 20 is connected between the outer shell 10 and the inner lining 11;

[0045] The main body assembly also includes a threaded port 12 and a sealing gasket 13;

[0046] The threaded opening 12 is provided on the inner wall of the liner 11, and the sealing gasket 13 is movably connected inside the liner 11;

[0047] The threaded port 12 serves as a connection, and the sealing gasket 13 serves as a seal.

[0048] Working principle:

[0049] Hold the connecting ring 25 and the reinforcing plate 20, align the second clamping groove 22 with the second clamping block 24 above the liner 11, and plug it tightly;

[0050] Hold the inner liner 11, align the first card slot 21 with the first card block 23 in the outer shell 10, and plug it tightly;

[0051] Place the sealing gasket 13 in the liner 11, hold the outer shell 10, align the threaded opening 12 of the liner 11 with the bottle opening and tighten it.

[0052] This step can improve the pressure resistance of the lining 11 and prevent the outer shell 10 from deforming.

[0053] See also Figure 7 This embodiment is based on the above embodiment 1 and further includes:

[0054] The anti-leakage component includes a connection plate 30, a first through hole 31 and a second through hole 32;

[0055] The connection plate 30 is placed on the top of the inner liner 11, and the first through hole 31 and the second through hole 32 open one end of the connection plate 30;

[0056] The connecting plate 30 plays a fixing role, and the first through hole 31 and the second through hole 32 play a connecting role;

[0057] The anti-leakage assembly also includes a first spring 33 and a second spring 34;

[0058] The upper end of the first spring 33 is inserted into the first through hole 31, and the second spring 34 is inserted into the second through hole 32;

[0059] The first spring 33 and the second spring 34 have a pressing force;

[0060] The anti-leakage assembly further includes another set of connection disks 30 , and this set of connection disks 30 is connected to the lower ends of the first spring 33 and the second spring 34 , and the lower surface of this set of connection disks 30 is in contact with the upper surface of the sealing gasket 13 .

[0061] Working principle:

[0062] Insert one end of the first spring 33 and the second spring 34 into the first through hole 31 and the second through hole 32 on the connecting plate 30 respectively;

[0063] Put another set of connecting plates 30 on the other ends of the first spring 33 and the second spring 34;

[0064] Put two sets of connecting disks 30, the first spring 33 and the second spring 34 into the liner 11, attach the sealing gasket 13 to the lower connecting disk 30, and tighten the bottle cap.

[0065] This step can improve the sealing performance of the metal bottle cap.

[0066] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0067] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pressure-resistant and leak-proof metal bottle cap, characterized in that: include: A main body component, the main body component comprising an outer shell (10) and an inner liner (11); The lining (11) is plugged inside the outer shell (10); A support assembly, the support assembly comprising a reinforcing plate (20), a first clamping slot (21), a second clamping slot (22), a first clamping block (23), a second clamping block (24) and a connecting ring (25); The second clamping block (24) is injection-molded and connected to the top of the liner (11) and is evenly distributed; the first clamping block (23) is welded to the top of the shell (10) and is evenly distributed; the first clamping groove (21) is provided on the side of the reinforcing plate (20); the second clamping groove (22) is provided on the bottom of the reinforcing plate (20) and is connected to the first clamping groove (21); the reinforcing plate (20) is engaged with the first clamping block (23) through the first clamping groove (21); and the connecting ring (25) is injection-molded and connected to the inner side of the reinforcing plate (20).

2. A pressure-resistant and leak-proof metal bottle cap according to claim 1, characterized in that: The second clamping block (24) is clamped in the second clamping slot (22), and the reinforcing plate (20) is connected between the outer shell (10) and the inner liner (11).

3. A pressure-resistant and leak-proof metal bottle cap according to claim 1, characterized in that: The main body assembly also includes a threaded port (12) and a sealing gasket (13); The threaded opening (12) is provided on the inner wall of the liner (11), and the sealing gasket (13) is movably connected inside the liner (11).

4. The pressure-resistant and leak-proof metal bottle cap according to claim 1, characterized in that: Also included are leak-proof components; The anti-leakage component comprises a connection plate (30), a first through hole (31) and a second through hole (32); The connection plate (30) is placed on the top of the inner liner (11), and the first through hole (31) and the second through hole (32) open one end of the connection plate (30).

5. The pressure-resistant and leak-proof metal bottle cap according to claim 4, characterized in that: The anti-leakage assembly further comprises a first spring (33) and a second spring (34); The upper end of the first spring (33) is inserted into the first through hole (31), and the second spring (34) is inserted into the second through hole (32).

6. The pressure-resistant and leak-proof metal bottle cap according to claim 4, characterized in that: The anti-leakage assembly further comprises another set of connection disks (30), and the set of connection disks (30) is connected to the lower ends of the first spring (33) and the second spring (34), and the lower surface of the set of connection disks (30) is in contact with the upper surface of the sealing pad (13).