Sealing plastic bottle cap

By using sealing rings, elastic pressing mechanisms and shock-absorbing damping in the plastic bottle cap, the problem of poor sealing effect caused by loose bottle caps is solved, and better sealing and internal sealing effect are achieved, reducing the risk of water leakage.

CN222555544UActive Publication Date: 2025-03-04SUQIAN TIANKUN PACKAGING CO LTD
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Patent Information

Application Number
CN202421204742.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-03-04
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

Existing plastic bottle caps are prone to loosening during production and transportation, resulting in poor sealing effect and easy to leak after opening.

Method used

A sealed plastic bottle cap is designed, using a sealing ring and an elastic pressing mechanism. The sealing ring fits with the bottle body to prevent water leakage and achieves an internal sealing effect through shock absorption and damping.

Benefits of technology

It effectively reduces the risk of water leakage after the bottle cap is loose, ensures the sealing of the bottle cap and the internal sealing effect, and avoids water overflow.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222555544U_ABST
    Figure CN222555544U_ABST
Patent Text Reader

Abstract

The utility model relates to a plastic bottle cap, in particular to a sealing plastic bottle cap which comprises a plastic bottle cap body, a sealing ring is fixedly connected to the interior of the side wall of the plastic bottle cap body, a sealing bottle cap is fixedly connected to the interior of the plastic bottle cap body, the sealing bottle cap is fixed to a bottle opening in a threaded mode, and an elastic pressing mechanism is fixedly connected to the exterior of the sealing bottle cap. The bottom of the elastic pressing mechanism is fixedly connected with a fixing plate, the bottom of the fixing plate is fixedly connected with a sealing ring, the side wall of the sealing ring and the side wall of the fixing plate are both attached to the inner wall of the plastic bottle cap in a sliding mode, the outer portion of the bottle body can be sealed through the arranged sealing ring, and the sealing ring is attached to the plastic bottle cap in a sealing mode. After the sealing bottle cap and the bottle opening are fixed in a threaded mode, if a loose state exists, the sealing ring can be attached to the bottle body to prevent water flow from leaking out, and the risk of water leakage after the bottle cap is loosened is reduced.
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Description

Technical Field

[0001] The utility model relates to a plastic bottle cap, in particular to a sealed plastic bottle cap. Background Art

[0002] Plastic bottle caps are a type of plastic product. They are a type of cover used to seal the mouth of plastic bottles and are widely used in food, beverage, cosmetics and other industries. Currently, common plastic bottle caps are mainly made of PP, PE, PET and other materials. They are light, durable and have good sealing properties. There is a risk of loosening of plastic bottle caps during production and transportation. Some bottle caps need to be tightened to achieve their sealing effect, but they are prone to loosening and leakage after opening.

[0003] Therefore, a sealed plastic bottle cap is needed to improve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a sealed plastic bottle cap to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sealed plastic bottle cap comprises a plastic bottle cap, wherein a sealing ring is fixedly connected inside the side wall of the plastic bottle cap, a sealed bottle cap is fixedly connected inside the plastic bottle cap, the sealed bottle cap is threadedly fixed to a bottle mouth, an elastic pressing mechanism is fixedly connected outside the sealed bottle cap, a fixing plate is fixedly connected to the bottom of the elastic pressing mechanism, a sealing ring is fixedly connected to the bottom of the fixing plate, the sealing ring and the side wall of the fixing plate are both fitted and slid with the inner wall of the plastic bottle cap, the bottom of the sealing ring is fitted with the top of the bottle body, an observation window mechanism is arranged inside the plastic bottle cap, the outside of the bottle body can be sealed by the provided sealing ring, the sealing ring is fitted and sealed with the plastic bottle cap, after the sealed bottle cap is threadedly fixed to the bottle mouth, if there is a loose state, the sealing ring can fit with the bottle body to prevent water from leaking out, thereby reducing the risk of water leakage due to loose bottle cap.

[0007] As a preferred solution of the utility model, the top of the plastic bottle cap is fixedly connected with a heat-insulating top section, and the pressing mechanism includes an elastic sealing mechanism, an insertion tube and a shock-absorbing damping. The elastic sealing mechanism is fixed to the bottom of the heat-insulating top section, and the top of the fixed plate is fixedly connected with the insertion tube. The elastic sealing mechanism is inserted into the interior of the insertion tube, and the interior of the insertion tube is fixedly connected with a shock-absorbing damping. The other end of the elastic sealing mechanism is fixedly connected to an extended end of the shock-absorbing damping. The provided shock-absorbing damping can press the sealing ring and the bottle body after the sealing ring is fitted with the bottle body, thereby achieving a sealing effect on the inside of the plastic bottle cap.

[0008] As a preferred solution of the utility model, a bottle body socket is opened at the center position of the fixing plate and the sealing ring, the diameter of the bottle body socket is larger than the diameter of the sealed bottle cap, and the bottle body socket is adapted to be sleeved on the outside of the sealed bottle cap.

[0009] As a preferred solution of the utility model, there are multiple elastic sealing mechanisms, which are distributed on the edge inside the insulation top section. The elastic sealing mechanisms are vertically arranged to the insulation top section, and the elastic sealing mechanisms are located at the bottom of the insulation top section and are equidistantly distributed in a ring shape.

[0010] As a preferred solution of the utility model, the observation window mechanism includes a glass observation window, an annular socket and a sealing ring. The glass observation window is provided with annular sockets on the upper and lower sides, and the inner opening of the annular socket is fixedly connected to a sealing ring. The plastic bottle cap is inserted into the interior of the sealing ring. The plastic bottle cap is provided in two sections, and the upper and lower sections of the plastic bottle cap are respectively inserted into the upper and lower sides of the interior of the sealing ring. The internal state of the plastic bottle cap can be observed through the provided glass observation window. When water leakage occurs inside the glass observation window, it can be observed in time and the leakage caused by directly opening the cover can be prevented from overflowing.

[0011] As a preferred solution of the utility model, the plastic bottle cap is fixedly connected to the sealing ring, and the edge of the plastic bottle cap is fixed inside the sealing ring.

[0012] As a preferred solution of the utility model, a non-slip pressing block is fixedly connected to the outside of the plastic bottle cap, the non-slip pressing block and the plastic bottle cap are an integral structure, and the outside of the plastic bottle cap is provided with non-slip grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the sealing of the outside of the bottle body can be achieved by the provided sealing ring, and the sealing ring and the plastic bottle cap are fitted and sealed. After the sealed bottle cap and the bottle mouth are threadedly fixed, if there is a loose state, the sealing ring can fit with the bottle body to prevent water from leaking out, thereby reducing the risk of water leakage due to the loose bottle cap.

[0015] In the utility model, the provided shock-absorbing damping can press the sealing ring and the bottle body tightly after the sealing ring and the bottle body are fitted together, thereby achieving a sealing effect on the inside of the plastic bottle cap.

[0016] In the utility model, the internal state of the plastic bottle cap can be observed through the glass observation window. When water leakage occurs inside the glass observation window, it can be observed in time and the overflow of the leaked water caused by directly opening the cap can be prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;

[0019] Figure 3 It is a schematic diagram of the internal structure of the main view of the utility model;

[0020] Figure 4 It is an enlarged schematic diagram of structure A of the utility model.

[0021] In the figure: 1. plastic bottle cap; 2. fixing plate; 3. sealing ring; 4. bottle body socket; 5. sealing bottle cap; 6. glass observation window; 7. annular socket; 8. sealing ring; 9. elastic sealing mechanism; 10. plug-in cylinder; 11. shock absorbing and damping; 12. thermal insulation top section; 13. anti-slip pressing block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0026] See also Figure 1-4 , the utility model provides a technical solution:

[0027] For example, please refer to Figure 1 , 2 , 3 and 4, a sealed plastic bottle cap, comprising a plastic bottle cap 1, a sealing ring 8 is fixedly connected to the inside of the side wall of the plastic bottle cap 1, a sealed bottle cap 5 is fixedly connected to the inside of the plastic bottle cap 1, the sealed bottle cap 5 is fixedly connected to the bottle mouth thread, an elastic pressing mechanism is fixedly connected to the outside of the sealed bottle cap 5, a fixing plate 2 is fixedly connected to the bottom of the elastic pressing mechanism, a sealing ring 3 is fixedly connected to the bottom of the fixing plate 2, the sealing ring 3 and the side walls of the fixing plate 2 are both fitted and slid with the inner wall of the plastic bottle cap 1, the bottom of the sealing ring 3 is fitted with the top of the bottle body, an observation window mechanism is arranged inside the plastic bottle cap 1, the outside of the bottle body can be sealed by the provided sealing ring 3, the sealing ring 3 is fitted and sealed with the plastic bottle cap 1, after the sealing bottle cap 5 is fixed to the bottle mouth thread, if there is a loose state, the sealing ring 3 can fit with the bottle body to prevent water from leaking out, thereby reducing the risk of water leakage due to loose bottle cap.

[0028] For example, please refer to Figure 2 , 3 and 4, the top of the plastic bottle cap 1 is fixedly connected with a heat-insulating top section 12, the pressing mechanism includes an elastic sealing mechanism 9, an insertion tube 10 and a shock-absorbing damping 11, the elastic sealing mechanism 9 is fixed to the bottom of the heat-insulating top section 12, the top of the fixed plate 2 is fixedly connected with the insertion tube 10, the elastic sealing mechanism 9 is inserted into the inside of the insertion tube 10, the inside of the insertion tube 10 is fixedly connected with the shock-absorbing damping 11, the other end of the elastic sealing mechanism 9 is fixedly connected to the extended end of the shock-absorbing damping 11, and the shock-absorbing damping 11 is set to press the sealing ring 3 and the bottle body after the sealing ring 3 is fitted with the bottle body, thereby achieving a sealing effect on the inside of the plastic bottle cap 1.

[0029] For example, please refer to Figure 2 , 3 and 4, the bottle body socket 4 is opened at the center position inside the fixing plate 2 and the sealing ring 3, the diameter of the bottle body socket 4 is larger than the diameter of the sealing bottle cap 5, and the bottle body socket 4 is adapted to be sleeved on the outside of the sealing bottle cap 5.

[0030] For example, please refer to Figure 2 , 3 And 4, the number of elastic sealing mechanisms 9 is set to be multiple, and the multiple elastic sealing mechanisms 9 are distributed at the edge inside the insulation top section 12. The elastic sealing mechanisms 9 are vertically arranged to the insulation top section 12, and the elastic sealing mechanisms 9 are located at the bottom of the insulation top section 12 and are equidistantly distributed in a ring shape.

[0031] For example, please refer to Figure 2 , 34, the observation window mechanism includes a glass observation window 6, an annular socket 7 and a sealing ring 8. The glass observation window 6 is provided with annular sockets 7 on the upper and lower sides, and the inner opening of the annular socket 7 is fixedly connected with a sealing ring 8. The plastic bottle cap 1 is inserted into the inside of the sealing ring 8. The plastic bottle cap 1 is provided in two sections, and the upper and lower sections of the plastic bottle cap 1 are respectively inserted into the upper and lower sides of the inside of the sealing ring 8. The internal state of the plastic bottle cap 1 can be observed through the provided glass observation window 6. When water leakage occurs in the glass observation window 6, it can be observed in time and the leakage caused by directly opening the cover can be prevented from overflowing.

[0032] For example, please refer to Figure 2 , 3 And 4, the plastic bottle cap 1 is fixedly connected to the sealing ring 8, and the edge of the plastic bottle cap 1 is fixed inside the sealing ring 8.

[0033] For example, please refer to Figure 2 , 3 And 4, the outside of the plastic bottle cap 1 is fixedly connected with an anti-skid pressing block 13, the anti-skid pressing block 13 and the plastic bottle cap 1 are an integral structure, and the outside of the plastic bottle cap 1 is provided with anti-skid patterns.

[0034] Working principle: when in use, the sealing ring 3 can achieve sealing on the outside of the bottle body, and the sealing ring 3 and the plastic bottle cap 1 are fitted and sealed. After the sealing bottle cap 5 is fixed to the bottle mouth thread, if there is any looseness, the sealing ring 3 can fit with the bottle body to prevent water from leaking out, thereby reducing the risk of leakage due to the loose bottle cap. The shock-absorbing damping 11 presses the sealing ring 3 and the bottle body after the sealing ring 3 and the bottle body are fitted together to achieve a sealing effect on the inside of the plastic bottle cap 1. The internal state of the plastic bottle cap 1 can be observed through the glass observation window 6. When water leakage occurs inside the glass observation window 6, it can be observed in time to prevent the leakage caused by directly opening the cap from overflowing.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealed plastic bottle cap, comprising a plastic bottle cap (1), characterized in that: A sealing ring (8) is fixedly connected to the inside of the side wall of the plastic bottle cap (1), a sealing bottle cap (5) is fixedly connected to the inside of the plastic bottle cap (1), the sealing bottle cap (5) is threadedly fixed to the bottle mouth, an elastic pressing mechanism is fixedly connected to the outside of the sealing bottle cap (5), a fixing plate (2) is fixedly connected to the bottom of the elastic pressing mechanism, a sealing ring (3) is fixedly connected to the bottom of the fixing plate (2), the sealing ring (3) and the side wall of the fixing plate (2) are both slidably fitted with the inner wall of the plastic bottle cap (1), the bottom of the sealing ring (3) is fitted with the top of the bottle body, and an observation window mechanism is arranged inside the plastic bottle cap (1).

2. A sealed plastic bottle cap according to claim 1, characterized in that: The top of the plastic bottle cap (1) is fixedly connected to a heat-insulating top section (12); the pressing mechanism comprises an elastic sealing mechanism (9), an inserting tube (10) and a shock-absorbing damper (11); the elastic sealing mechanism (9) is fixed to the bottom of the heat-insulating top section (12); the top of the fixing plate (2) is fixedly connected to the inserting tube (10); the elastic sealing mechanism (9) is inserted into the inside of the inserting tube (10); the inside of the inserting tube (10) is fixedly connected to the shock-absorbing damper (11); and the other end of the elastic sealing mechanism (9) is fixedly connected to an extended end of the shock-absorbing damper (11).

3. A sealed plastic bottle cap according to claim 1, characterized in that: A bottle body socket (4) is provided at the center of the fixing plate (2) and the sealing ring (3); the diameter of the bottle body socket (4) is larger than the diameter of the sealed bottle cap (5); and the bottle body socket (4) is adapted to be sleeved on the outside of the sealed bottle cap (5).

4. A sealed plastic bottle cap according to claim 2, characterized in that: The elastic sealing mechanisms (9) are provided in a plurality, and the plurality of elastic sealing mechanisms (9) are distributed at the inner edge of the thermal insulation top section (12). The elastic sealing mechanisms (9) are arranged perpendicular to the thermal insulation top section (12), and the elastic sealing mechanisms (9) are located at the bottom of the thermal insulation top section (12) and are distributed in an annular shape and at equal intervals.

5. The sealed plastic bottle cap according to claim 1, characterized in that: The observation window mechanism comprises a glass observation window (6), an annular socket (7) and a sealing ring (8); the glass observation window (6) is provided with annular sockets (7) on upper and lower sides; the inner opening of the annular socket (7) is fixedly connected to a sealing ring (8); the plastic bottle cap (1) is inserted into the interior of the sealing ring (8); the plastic bottle cap (1) is provided in two sections; the upper and lower sections of the plastic bottle cap (1) are respectively inserted into the upper and lower sides of the interior of the sealing ring (8).

6. A sealed plastic bottle cap according to claim 5, characterized in that: The plastic bottle cap (1) is fixedly connected to the sealing ring (8), and the edge of the plastic bottle cap (1) is fixed inside the sealing ring (8).

7. The sealed plastic bottle cap according to claim 1, characterized in that: The outside of the plastic bottle cap (1) is fixedly connected to an anti-skid pressing block (13); the anti-skid pressing block (13) and the plastic bottle cap (1) are an integral structure; and the outside of the plastic bottle cap (1) is provided with anti-skid patterns.