WO2023174364A1 - 瓶盖、容器及容器的开盖方法 - Google Patents

瓶盖、容器及容器的开盖方法 Download PDF

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Publication number
WO2023174364A1
WO2023174364A1 PCT/CN2023/081813 CN2023081813W WO2023174364A1 WO 2023174364 A1 WO2023174364 A1 WO 2023174364A1 CN 2023081813 W CN2023081813 W CN 2023081813W WO 2023174364 A1 WO2023174364 A1 WO 2023174364A1
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WO
WIPO (PCT)
Prior art keywords
cap
bottle
ring
container
cover
Prior art date
Application number
PCT/CN2023/081813
Other languages
English (en)
French (fr)
Inventor
张大朋
Original Assignee
张大朋
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 张大朋 filed Critical 张大朋
Publication of WO2023174364A1 publication Critical patent/WO2023174364A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/16—Devices preventing loss of removable closure members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0471—Threaded or like caps or cap-like covers secured by rotation with means for positioning the cap on the container, or for limiting the movement of the cap, or for preventing accidental loosening of the cap
    • B65D41/0478—Threaded or like caps or cap-like covers secured by rotation with means for positioning the cap on the container, or for limiting the movement of the cap, or for preventing accidental loosening of the cap the cap being formed by several elements connected together

Definitions

  • the present disclosure relates to the technical field of containers, and in particular, to a bottle cap, a container and a method for uncapping the container.
  • Containers such as beverage bottles, are composed of a bottle body and a cap and can be used to hold fluid products.
  • the general structure of the container is as follows: the bottle mouth of the bottle body is provided with a thread, a bottle ring is provided below the thread, and the bottle cap includes a detachable cover body and a cover ring.
  • the cover body In the initial state, the cover body is screwed to the bottle mouth, the cover ring is fixed on the bottle ring, and the cover body and the cover ring are connected by a small plastic strip.
  • the cap body When the bottle cap is opened, the cap body is rotated to break the small plastic strips, so that the cap body leaves the bottle mouth, the cap ring remains on the bottle ring, and the cap body and cap ring are separated. After use, put the lid back on the bottle mouth. The next time you use it, repeat the above action, turn the lid away from the bottle mouth and separate the lid ring, and put the lid back on again after use.
  • the present disclosure provides a bottle cap, a container and a method for uncapping the container.
  • the bottle cap is composed of a connected cap body and a cap ring, so that the bottle cap is always connected to the container during use and will not fall off. It is easy for users to use and improves the recycling rate of bottle caps; the manufacturing cost of bottle caps is low and it can be applied to high-speed production lines.
  • a bottle cap including a connected cap body and a cap ring.
  • the cap body is provided with an extension bar, and the first end of the extension bar is integrally connected to the cap body; the cap ring is provided with an extension bar.
  • the opening of the U-shaped bar is integrally connected with the escape portion.
  • the bottom of the U-shaped bar is connected to the extension bar.
  • the second end is integrally connected; between the cover body and the cover ring, between the side wall of the extension bar and the U-shaped bar, and between the side wall of the U-shaped bar and the escape part There are breakable connecting teeth between them.
  • the cap ring snaps into the limit ring below the bottle mouth and rotates, and the The connecting teeth are broken, and the extension bar and the U-shaped bar are pulled apart until the cover body leaves the bottle mouth.
  • the total length of the extension strip and the U-shaped strip is greater than the height of the bottle mouth.
  • the cap body when the opening of the bottle cap is completed, the cap body is connected to the limiting ring through the extension bar, the U-shaped bar and the cap ring in sequence.
  • the cap body in the initial closing state of the bottle cap, the cap body is screwed to the bottle mouth of the container, the cap ring is clamped to the limiting ring below the bottle mouth, and the extending The strip and the U-shaped strip are locked to the avoidance part.
  • the extension strip extends from the open end of the cover in a direction away from the closed end of the cover; the avoidance portion is formed as a door-shaped groove with a broken top, and the extension strip Passing through the disconnection of the door-shaped groove, the opening of the U-shaped bar is integrally connected to the lower end surface of the disconnection.
  • the extension bar and the U-shaped bar are completely accommodated in the escape portion; or, the extension bar and the U-shaped bar are partially accommodated in the escape portion.
  • the cover body, the extension strip, the U-shaped strip, the cover ring and the connecting teeth are integrally injection molded.
  • a container including a bottle mouth provided with threads and a limiting ring provided below the bottle mouth.
  • the container further includes the bottle cap of any of the above embodiments; the cap body is screwed On the bottle mouth, the thread is at least used to tighten the lid in the initial closing state and provide a spiral upward stroke of the lid during the opening process; the lid ring is buckled on the limit.
  • Position ring, the limiting ring is used to clamp the cover ring in the initial closing state and always limit the axial movement of the cover ring.
  • the container further includes a bottle clamping ring provided on the bottle neck part; when the outer diameter of the bottle clamping ring is larger than the outer diameter of the cap ring, the extension strip and the U-shaped strip They are all in a stepped shape so as to avoid the bottle clamping ring and extend toward the bottle body of the container.
  • the uncapping method includes a first stroke and a second stroke of continuously rotating the lid body in a first clockwise direction; In the first stroke, as the cover body spirals up, the cover ring rotates and the connecting teeth break; in the second stroke, as the cover body spirals up, the cover ring rotates and the connecting teeth The extension bar and the U-shaped bar are pulled apart until the cover body leaves the bottle mouth and is hooked to the limiting ring through the cover ring.
  • the beneficial effects of this disclosure at least include:
  • the bottle cap of the present disclosure is composed of a connected cap body and a cap ring, and the cap body and the cap ring are always connected together;
  • the cap ring In the initial closing state, the cap ring is clamped to the limit ring under the bottle mouth of the container, the cap body is screwed to the bottle mouth, and the cap body and cap ring are locked through longitudinal thin connecting teeth to ensure that the bottle cap is secure. Stability to prevent bottle caps from loosening during transportation, storage, etc.;
  • the extension strip integrally connected with the cover body passes through the escape part of the cover ring and wraps around the U that is integrally connected with the escape part of the cover ring.
  • the extension bar, U-shaped bar and escape part are also locked by transverse short connecting teeth, thereby ensuring the stability of the cover ring and allowing the cover ring to still form a continuous annular structure.
  • it can Make sure the extension strip and U-shaped strip are close to the bottle mouth to avoid warping and deformation;
  • the cap ring is always locked on the limit ring and rotates, so that the connecting teeth break, and the extension bar and the U-shaped bar are pulled apart, allowing the cap body to leave the bottle mouth smoothly;
  • the lid When the lid is opened, the lid is still hung on the limit ring through the lid ring, which prevents the lid from falling and being lost, and makes it easy to put the lid back on the bottle mouth after use;
  • the bottle cap of the present disclosure can always be connected to the container as long as it is assembled to the container. It is not only convenient to use, but also improves the recovery rate of the bottle cap, realizes resource recycling, and protects the environment; and the overall manufacturing cost of the bottle cap is Low, high production efficiency, suitable for high-speed production lines.
  • Figure 1 shows a schematic front structural view of a bottle cap in an embodiment of the present disclosure
  • Figure 2 shows a schematic cross-sectional structural view of a bottle cap in an embodiment of the present disclosure
  • Figure 3 shows a schematic structural view of the bottle cap after the connecting teeth are broken according to an embodiment of the present disclosure
  • Figure 4 shows a schematic structural diagram of a bottle cap body spiraling up in an embodiment of the present disclosure
  • Figure 5 shows a schematic structural diagram of the bottle cap body leaving the bottle mouth in an embodiment of the present disclosure
  • Figure 6 shows a schematic front structural view of a bottle cap in another embodiment of the present disclosure
  • Figure 7 shows a schematic cross-sectional structural view of a bottle cap in yet another embodiment of the present disclosure
  • FIG. 8 is a schematic diagram showing the steps of a method of uncapping a container according to an embodiment of the present disclosure.
  • Example embodiments will now be described more fully with reference to the accompanying drawings.
  • Example embodiments may, however, be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
  • the bottle cap and the mouth of the container are shown in the structural schematic diagram of the bottle cap. This is not intended to limit the scope of the present disclosure.
  • the present disclosure provides both a separate bottle cap, a container containing the bottle cap, and a method for uncapping the container.
  • Figure 1 shows a front view structure of a bottle cap in one embodiment.
  • the bottle cap provided in this embodiment includes a connected cap body 1 and a cap ring 2.
  • the cap body 1 is provided with an extension bar 11.
  • the extension bar The first end 11a of 11 is integrally connected to the cover 1; the cover ring 2 is provided with an escape portion 20 for the extension bar 11 to pass through and a U-shaped bar 21 surrounding the extension bar 11.
  • the opening 21a of the U-shaped bar 21 and the escape portion 20 is integrally connected, the bottom 21b of the U-shaped bar 21 is integrally connected with the second end 11b of the extension bar 11; between the cover body 1 and the cover ring 2, between the side wall of the extension bar 11 and the U-shaped bar 21, and between the U-shaped Breakable connecting teeth 3 are provided between the side walls of the strip 21 and the escape portion 20 .
  • the above-mentioned bottle cap is composed of a connected lid body 1 and a lid ring 2, and the lid body 1 and the lid ring 2 are always connected together.
  • Figure 2 shows the cross-sectional structure of the bottle cap in one embodiment.
  • the cap body 1 is screwed tightly to the bottle mouth 61 of the container 6, and the cap ring 2 is tightened to the bottle.
  • the limiting ring 62, the extension bar 11 and the U-shaped bar 21 below the opening 61 are locked to the avoidance part 20.
  • the cap ring 2 is clamped to the limiting ring 62, the cap body 1 is screwed to the bottle mouth 61, and the cap body 1 and the cap ring 2 are locked through the longitudinal thin connecting teeth 3 to ensure the stability of the bottle cap. Prevent bottle caps from loosening during transportation, storage, etc.
  • the extension strip 11 integrally connected with the cover body 1 passes through the escape portion 20 of the cover ring 2 and wraps around the escape portion 20 of the cover ring 2
  • the extension bar 11, the U-shaped bar 21 and the escape part 20 are also locked by the transverse short connecting teeth 3 to ensure the stability of the cover ring 2 so that the cover ring 2 still forms It is a continuous annular structure; in addition, the connecting teeth 3 formed between the extension bar 11, the U-shaped bar 21 and the escape part 20 can also make the extension bar 11 and the U-shaped bar 21 closely contact the bottle mouth 61 to avoid warping. and deformation.
  • Figure 3 shows the structure after the connecting teeth of the bottle cap are broken in one embodiment.
  • Figure 4 shows the structure in which the cap body of the bottle cap spirals up in this embodiment.
  • Figure 5 shows the structure in which the cap body of the bottle cap leaves in this embodiment.
  • the structure of the bottle mouth As shown in Figures 1 to 5, during the process of opening the cap, as the cap body 1 spirals up along the bottle mouth 61 of the container 6, the cap ring 2 snaps to the limit ring 62 below the bottle mouth 61 to rotate, and the connecting teeth 3 break.
  • the extension strip 11 and the U-shaped strip 21 are pulled apart until the cover 1 leaves the bottle mouth 61 .
  • the lid body 1 is continuously rotated in the lid opening direction, for example, the counterclockwise direction R. Due to the functions of the connecting teeth 3, the extension bar 11 and the U-shaped bar 21, the cover ring 2 is driven by the cover body 1, and at the same time, the cover ring 2 is restricted from axial movement by the limiting ring 62; therefore, as the cover body 1 spirals Ascending, the cover ring 2 is always locked on the limiting ring 62 and rotates accordingly.
  • extension bar 11 and the U-shaped bar 21 will be pulled apart along the height direction Y to ensure that the cover 1 continues to spiral upward along the thread of the bottle mouth 61 .
  • the design of the extension bar 11 and the U-shaped bar 21 needs to ensure that the total length of the two is greater than the height of the bottle mouth 61, so that the lid 1 can eventually rotate away from the bottle mouth 61 smoothly.
  • the end portions of the extension bar 11 that are in contact with the U-shaped bar 21 are integrally connected without contact.
  • the ends are integrally connected to the cover body 1 and the cover ring 2 respectively, and the U-shaped bar 21 surrounds the extension bar 11; thus, on the one hand, it can Make full use of the length of the extension bar 11 and the U-shaped bar 21 so that the total length of the extension bar 11 and the U-shaped bar 21 is close to (slightly less than) the sum of their own lengths.
  • the cover is closed In this state, the extension strip 11 and the U-shaped strip 21 do not take up too much space, making the bottle cap highly stable as a whole and hardly increasing the overall volume of the bottle cap.
  • the cover 1 can be separated from the bottle mouth 61, presenting a state as shown in Figure 5.
  • the cover 1 is connected to the limit ring 62 through the extension bar 11, the U-shaped bar 21 and the cover ring 2 in sequence, which can prevent the cover 1 from falling and being lost, and is convenient for use.
  • the cap body 1 When the cap is opened, due to the existence of the extension bar 11 and the U-shaped bar 21 and their connection relationship, the cap body 1 will be separated from the bottle mouth 61 by a certain distance (the distance of the cap body 1 from the bottle mouth 61 is slightly smaller than the extension bar 11 and the U-shaped bar 21
  • the total length of the profile bar 21 ensures that the user can easily drink the beverage contained in the container 6 from the bottle mouth 61 at this time, and the use of the bottle mouth 61 will not be affected due to the lid 1 being too close to the bottle mouth 61, and
  • the extension strip 11 and the U-shaped strip 21 have a certain strength and will not cause the lid 1 to shake randomly, and can maintain the lid 1 at a suitable distance near the bottle mouth 61 when the lid is opened.
  • the cover 1 can be returned to the bottle mouth 61 .
  • the extension bar 11 will be stored in the U-shaped bar 21, and the extension bar 11 and the U-shaped bar 21 will return to the escape portion 20 of the cover ring 2, presenting the state shown in Figure 3.
  • the bottle cap As long as the above-mentioned bottle cap is assembled to the container 6, it can always be connected with the container 6. It is not only convenient to use, but also increases the recovery rate of the bottle cap, realizes resource recycling, and protects the environment.
  • the various components of the bottle cap namely the cap body 1, the extension strip 11, the U-shaped strip 21, the cap ring 2 and the connecting teeth 3 are integrally injection molded to form the bottle cap, which can reduce the injection cost of the bottle cap and facilitate demolding. It avoids jamming, improves production efficiency, and makes it easy to cover the bottle cap to the mouth of the container. It is suitable for high-speed production lines.
  • the injection material can be plastic, so that the formed extension strips 11 and U-shaped strips 21 have a certain degree of flexibility, making it easier to pull them apart; at the same time, the extension strips 11 and the U-shaped strips 21 have a certain strength, so that they can be opened when the lid is opened. Support cover 1.
  • the extension bar 11 extends from the open end 1 a of the cover 1 in a direction away from the closed end 1 b of the cover 1 ; the escape portion 20 is formed with a broken top.
  • Door-shaped groove i.e. formed into Structure
  • the extension bar 11 passes through the disconnection of the door-shaped groove, and the opening 21a of the U-shaped bar 21 is integrally connected with the lower end surface of the disconnection.
  • the extension bar 11 and the U-shaped bar 21 are partially accommodated in the escape portion 20;
  • Figure 6 shows the front structure of the bottle cap in another embodiment.
  • the extension bar 11 and the U-shaped bar 21 It is completely accommodated in the avoidance part 20; the specific length depends on the total length required after the extension bar 11 and the U-shaped bar 21 are pulled apart. For example, when applied to containers with different bottle mouth heights, the length of the extension strip 11 can range from 1 cm to 50 cm, or even longer.
  • the cap ring 2 is not a 360° continuous ring, but is provided with an opening; a U-shaped bar 21 is formed at the opening extending downward beyond the lower edge of the cap ring 2, and the bottom of the U-shaped bar 21 is connected to the bottom of the cap body 1.
  • the extension bar 11 achieves the effect that the bottle cap can be pulled upwards by doubling (extension bar 11 + U-shaped bar 21).
  • the 360° continuous structure is maintained to achieve the function of the cap ring 2, and at the same time, the goal of integrating the cap and the bottle body is achieved after the cap is opened.
  • the cover ring 2 By connecting the teeth 3, the cover ring 2 still maintains a circular ring structure, making the cover ring 2 resistant to extrusion and impact.
  • the cover rings 2 can be stacked together during transportation without deformation; it is convenient to transport to the destination. Separate the cap ring 2 and transport it to the place where it is capped with the bottle via a conveyor belt.
  • the overall structure of the bottle cap is simple, compact in design, strong and durable, capable of high-speed injection molding, easy to transport, rolling freely, and will not twist or deform. It meets the production requirements of the filling line and meets the production efficiency of the filling line.
  • An embodiment of the present disclosure also provides a container, including the bottle cap described in any of the above embodiments.
  • the features and principles of the bottle cap described in any of the above embodiments can be applied to the following container embodiments. exist In the following container embodiments, the features and principles of the bottle cap that have been explained and the assembly relationship between the bottle cap and the container will not be repeated again.
  • the container 6 includes a threaded bottle mouth 61 and a limiting ring 62 located below the bottle mouth 61.
  • the cover 1 is screwed to the bottle mouth 61, and the bottle mouth 61
  • the threads are at least used to tighten the lid 1 in the initial closing state and provide a spiral upward stroke of the lid 1 during the opening process (and also provide a spiral downward stroke of the lid 1 during the closing process);
  • the ring 2 is buckled with the limiting ring 62 , and the limiting ring 62 is used to clamp the cover ring 2 in the initial closing state and always limit the axial movement of the cover ring 2 .
  • the lid body 1 In the initial closing state, the lid body 1 is screwed to the bottle mouth 61, the lid ring 2 is clamped to the limiting ring 62, and the lid body 1 and the lid ring 2 are locked through the longitudinal thin connecting teeth 3 to ensure The stability of the bottle cap prevents the bottle cap from loosening during the transportation of the container 6; in addition, in the initial closing state, the extension strip 11 integrally connected with the cap body 1 passes through the avoidance part 20 of the cap ring 2 and wraps around the The escape part 20 of the cover ring 2 is integrally connected to the U-shaped bar 21, and the extension bar 11, the U-shaped bar 21 and the escape part 20 are also locked by the transverse short connecting teeth 3, which can ensure the stability of the cover ring 2 properties, and can ensure that the extension strip 11 and the U-shaped strip 21 are close to the bottle mouth 61 to avoid warping and deformation; during the opening process, as the cap body 1 spirals up along the bottle mouth 61, the cap ring 2 is always locked on The limit ring 62
  • the above-mentioned container 6 can ensure that the bottle cap is always connected to the container 6, which is not only convenient to use, but also increases the recovery rate of the bottle cap, realizes resource recycling, and protects the environment. Moreover, each component of the bottle cap, namely the cap body 1, extension bar 11, U-shaped bar 21, cap ring 2 and connecting teeth 3, is injection molded in one piece, which is suitable for high-speed production lines; and the bottle cap can be easily closed to the container 6 The bottle mouth improves the overall production efficiency of the container 6.
  • the bottle neck part of the container 6 can also be provided with a bottle clamping ring 63.
  • the bottle clamping ring 63 can help the container 6 be filled on the production line (the production line is equipped with a mechanical gripper that can grasp the container 6 through the bottle clamping ring 63), and Improve the stability and efficiency during conveying and closing.
  • the outer diameter of the bottle clamping ring 63 is smaller than the outer diameter of the cap ring 2 .
  • the outer diameter of the bottle clamping ring can also be greater than or equal to the outer diameter of the cover ring to make it easier for the machine to The gripper grasps the container through the bottle clamping ring.
  • FIG. 7 shows the cross-sectional structure of the bottle cap in yet another embodiment. Referring to FIG. 7 , in this embodiment, the outer diameter of the bottle clamping ring 63 is larger than the outer diameter of the cap ring 2 . At this time, both the extension bar 11 and the U-shaped bar 21 are in a stepped shape, so as to avoid the bottle clamping ring 63 and extend toward the bottle body.
  • An embodiment of the present disclosure also provides a method for uncapping a container, which is applied to the container described in the above embodiment.
  • the features and principles of the bottle cap described in any of the above embodiments, and the features and principles of the container described in the above embodiments can be applied to the following embodiments of the cap opening method. In the following embodiments of the capping method, the features and principles of the bottle cap and container that have been explained will not be repeated.
  • Figure 8 shows the main steps of a method of uncapping a container in an embodiment.
  • the method of uncapping a container includes a first stroke S810 and a second stroke S820 of continuously rotating the lid body in the first clockwise direction;
  • the cover body In the first stroke S810, the cover body is rotated in the first clockwise direction, so that the cover body spirals up, the cover ring rotates accordingly and the connecting teeth are broken;
  • the second stroke S820 the cover body is continued to be rotated in the first clockwise direction, so that the cover body spirals upward.
  • the cap body spirals up, the cap ring rotates and the extension bar and the U-shaped bar are pulled apart until the cap body leaves the bottle mouth and is connected to the limit ring through the cap ring.
  • FIGS. 1 to 5 The cooperative relationship between the bottle cap and the container during the cap opening process is shown in conjunction with FIGS. 1 to 5 .
  • the cover 1 is screwed to the bottle mouth 61 of the container 6, the cover ring 2 is clamped to the limiting ring 62 below the bottle mouth 61, and the cover 1 and the cover The rings 2 are locked by longitudinal thin connecting teeth 3 to ensure the stability of the bottle cap; in addition, the extension bar 11 integrally connected with the cap body 1 passes through the escape portion 20 of the cap ring 2 and wraps around the cap.
  • the escape part 20 of the ring 2 is integrally connected to the U-shaped bar 21, and the extension bar 11, the U-shaped bar 21 and the escape part 20 are also locked by transverse short connecting teeth 33, further improving the stability of the cover ring 2 , and ensure that the extension strip 11 and the U-shaped strip 21 are close to the bottle mouth 61 to avoid warping and deformation.
  • the cover 1 is rotated in the first clockwise direction (counterclockwise direction R), and the cover ring 2 is buckled on the limiting ring 62 and rotates accordingly.
  • the cover 1 moves upward After a certain distance, due to the force between the cover body 1 and the cover ring 2, the connecting teeth 3 break, and the extension bar 11 and the U-shaped bar 21 are slightly warped.
  • the lid 1 is in a state of leaving the bottle mouth 61.
  • the lid 1 is still
  • the extension bar 11, the U-shaped bar 21 and the cover ring 2 are hooked to the limit ring 62 to prevent falling and loss, maintain the open state of the cover 1, and make it convenient to cover the cover 1 back to the bottle mouth 61 after use.
  • the bottle cap can be opened smoothly; and the cap 1 can be easily put back after use.
  • the bottle cap, container and container uncapping method provided by the present disclosure form a bottle cap through a connected cap body and cap ring, so that the bottle cap is always connected to the container during use and will not fall and be lost, which is convenient Used by users, it can increase the recycling rate of bottle caps; it has low manufacturing cost, high production efficiency, and can be applied to high-speed production lines.

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  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

一种瓶盖、容器及容器的开盖方法。瓶盖包括相连的盖体（1）和盖环（2），盖体设有延伸条（11），延伸条的第一端与盖体一体连接；盖环设有供延伸条穿过的避让部（20）和包绕延伸条的U型条（21），U型条的开口与避让部一体连接，U型条的底部与延伸条的第二端一体连接；盖体与盖环之间、延伸条的侧壁与U型条之间、及U型条的侧壁与避让部之间均设有可断裂的连接齿（3）。使用过程中瓶盖始终与容器连在一起，不会掉落丢失，从而方便用户使用并提升瓶盖的回收率；且瓶盖的制造成本低，能够适用于高速生产线。

Description

瓶盖、容器及容器的开盖方法 技术领域
本公开涉及容器技术领域，具体地说，涉及一种瓶盖、容器及容器的开盖方法。
背景技术
容器，例如饮料瓶等，由瓶身和瓶盖组成，可用来盛装流体产品。容器的通用结构为：瓶身的瓶口设置螺纹，螺纹下方设置瓶环，瓶盖包括可分离的盖体和盖环。
初始状态下，盖体螺接于瓶口，盖环固定在瓶环上，盖体与盖环之间通过细小的塑胶条连接。
当打开瓶盖时，转动盖体使细小的塑胶条断裂，从而盖体离开瓶口，盖环留在瓶环上，盖体与盖环分离。使用完后，把盖体盖回瓶口。下次使用时，再重复上述动作，将盖体转离瓶口与盖环分离，并在使用完后再次盖回盖体。
上述的容器，由于盖体和盖环分离设置，常常会出现使用完后找不到盖体的情况，且在回收时由于盖体丢失及人力成本等问题没有办法单独回收盖体，造成资源浪费和环境污染。
需要说明的是，上述背景技术部分的信息仅用于加强对本公开的背景的理解，因此可以包括不构成对本领域普通技术人员已知的现有技术的信息。
发明内容
有鉴于此，本公开提供一种瓶盖、容器及容器的开盖方法，其中瓶盖由相连的盖体和盖环组成，实现使用过程中瓶盖始终与容器连在一起，不会掉落丢失，从而方便用户使用并提升瓶盖的回收率；且瓶盖的制造成本低，能够适用于高速生产线。
本公开的一个方面提供一种瓶盖，包括相连的盖体和盖环，所述盖体设有延伸条，所述延伸条的第一端与所述盖体一体连接；所述盖环设有供所述延伸条穿过的避让部和包绕所述延伸条的U型条，所述U型条的开口与所述避让部一体连接，所述U型条的底部与所述延伸条的第二端一体连接；所述盖体与所述盖环之间、所述延伸条的侧壁与所述U型条之间、及所述U型条的侧壁与所述避让部之间均设有可断裂的连接齿。
在一些实施例中，于所述瓶盖的开盖过程中，随所述盖体沿容器的瓶口螺旋上升，所述盖环卡扣于所述瓶口下方的限位环转动，所述连接齿断裂，所述延伸条和所述U型条拉开至所述盖体离开所述瓶口。
在一些实施例中，所述延伸条和所述U型条拉开的总长度大于所述瓶口的高度。
在一些实施例中，于所述瓶盖的开盖完成状态下，所述盖体依次通过所述延伸条、所述U型条和所述盖环挂接于所述限位环。
在一些实施例中，于所述瓶盖的初始盖合状态下，所述盖体螺紧于容器的瓶口，所述盖环卡紧于所述瓶口下方的限位环，所述延伸条和所述U型条锁紧于所述避让部。
在一些实施例中，所述延伸条自所述盖体的开口端起，沿远离所述盖体的封闭端的方向延伸；所述避让部形成为顶部断开的门型槽，所述延伸条穿过所述门型槽的断开处，所述U型条的开口与所述断开处的下端面一体连接。
在一些实施例中，所述延伸条和所述U型条完全容纳于所述避让部；或者，所述延伸条和所述U型条部分容纳于所述避让部。
在一些实施例中，所述盖体、所述延伸条、所述U型条、所述盖环及所述连接齿一体射出成型。
本公开的又一个方面提供一种容器，包括设有螺纹的瓶口和设于所述瓶口下方的限位环，所述容器还包括上述任意实施例的瓶盖；所述盖体螺接于所述瓶口，所述螺纹至少用于在初始盖合状态下螺紧所述盖体并在开盖过程中提供所述盖体的螺旋上升行程；所述盖环卡扣于所述限位环，所述限位环用于在所述初始盖合状态下卡紧所述盖环并始终限制所述盖环的轴向移动。
在一些实施例中，所述的容器还包括设于瓶颈部分的夹瓶环；当所述夹瓶环的外径大于所述盖环的外径时，所述延伸条和所述U型条均呈阶梯状，以避开所述夹瓶环往所述容器的瓶身延伸。
本公开的又一个方面提供一种容器的开盖方法，应用于上述的容器，所述开盖方法包括沿第一时针方向持续转动所述盖体的第一行程和第二行程；在所述第一行程中，随所述盖体螺旋上升，所述盖环跟随转动且所述连接齿断裂；在所述第二行程中，随所述盖体螺旋上升，所述盖环跟随转动且所述延伸条和所述U型条拉开，至所述盖体离开所述瓶口并通过所述盖环挂接于所述限位环。
本公开与现有技术相比的有益效果至少包括：
本公开的瓶盖由相连的盖体和盖环组成，盖体与盖环始终连接在一起；
初始盖合状态下，盖环卡紧于容器的瓶口下方的限位环，盖体螺紧于瓶口，盖体与盖环之间通过纵向的细短连接齿锁紧，确保瓶盖的稳定性，避免瓶盖在运输、储存等期间松动；
初始盖合状态下，盖环虽因避让部破坏了初始的连续性，但与盖体一体连接的延伸条穿过盖环的避让部，并包绕于与盖环的避让部一体连接的U型条中，且延伸条、U型条及避让部之间还通过横向的细短连接齿锁紧，从而能够确保盖环的稳定性，使盖环仍形成为连续的环形结构，另外还能确保延伸条和U型条紧贴于瓶口，避免翘曲和变形；
开盖过程中，随着盖体螺旋上升，盖环始终卡扣于限位环上跟随转动，从而连接齿断裂，延伸条和U型条拉开，使盖体顺利离开瓶口；
开盖完成状态下，盖体仍通过盖环挂接于限位环上，避免盖体掉落丢失，且方便使用完成后将盖体盖回瓶口；
本公开的瓶盖，只要将其装配至容器后，就能始终与容器连在一起，不仅方便使用，还能提升瓶盖的回收率，实现资源循环利用，保护环境；且瓶盖整体制造成本低，生产效率高，适用于高速生产线。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。显而易见地，下面描述的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1示出本公开一实施例中瓶盖的正视结构示意图；
图2示出本公开一实施例中瓶盖的剖视结构示意图；
图3示出本公开一实施例中瓶盖的连接齿断裂后的结构示意图；
图4示出本公开一实施例中瓶盖的盖体螺旋上升的结构示意图；
图5示出本公开一实施例中瓶盖的盖体离开瓶口的结构示意图；
图6示出本公开另一实施例中瓶盖的正视结构示意图；
图7示出本公开又一实施例中瓶盖的剖视结构示意图；
图8示出本公开一实施例中容器的开盖方法的步骤示意图。
具体实施方式
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的实施方式。相反，提供这些实施方式使本公开全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。
附图仅为本公开的示意性图解，并非一定是按比例绘制。图中相同的附图标记表示相同或类似的部分，因而将省略对它们的重复描述。
此外，附图中所示的流程仅是示例性说明，不是必须包括所有的步骤。例如，有的步骤可以分解，有的步骤可以合并或部分合并。具体描述时使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。需要说明的是，在不冲突的情况下，本公开的实施例及不同实施例中的特征可以相互组合。
另外，附图为了清楚展示瓶盖的结构及瓶盖与容器的配合关系，在瓶盖的结构示意图中展示出了瓶盖以及容器的瓶口部分，这不作为对本公开的保护范围的限制。本公开既提供单独的瓶盖，也提供包含该瓶盖的容器，以及容器的开盖方法。
图1示出一实施例中瓶盖的正视结构，参照图1所示，本实施例提供的瓶盖，包括相连的盖体1和盖环2，盖体1设有延伸条11，延伸条11的第一端11a与盖体1一体连接；盖环2设有供延伸条11穿过的避让部20和包绕延伸条11的U型条21，U型条21的开口21a与避让部20一体连接，U型条21的底部21b与延伸条11的第二端11b一体连接；盖体1与盖环2之间、延伸条11的侧壁与U型条21之间、及U型条21的侧壁与避让部20之间均设有可断裂的连接齿3。
上述的瓶盖由相连的盖体1和盖环2组成，盖体1与盖环2始终连接在一起。
图2示出一实施例中瓶盖的剖视结构，结合图1和图2所示，初始盖合状态下，盖体1螺紧于容器6的瓶口61，盖环2卡紧于瓶口61下方的限位环62，延伸条11和U型条21锁紧于避让部20。
通过盖环2卡紧于限位环62，盖体1螺紧于瓶口61，且盖体1与盖环2之间通过纵向的细短连接齿3锁紧，确保瓶盖的稳定性，避免瓶盖在运输、储存等期间松动。
并且，盖环2虽因避让部20破坏了初始的连续性，但与盖体1一体连接的延伸条11穿过盖环2的避让部20，并包绕于与盖环2的避让部20一体连接的U型条21中，且延伸条11、U型条21及避让部20之间还通过横向的细短连接齿3锁紧，确保盖环2的稳定性，使盖环2仍形成为连续的环形结构；另外，形成于延伸条11、U型条21及避让部20之间的连接齿3，还能使延伸条11和U型条21紧贴于瓶口61，避免翘曲和变形。
图3示出一实施例中瓶盖的连接齿断裂后的结构，图4示出该实施例中瓶盖的盖体螺旋上升的结构，图5示出该实施例中瓶盖的盖体离开瓶口的结构。结合图1至图5所示，开盖过程中，随盖体1沿容器6的瓶口61螺旋上升，盖环2卡扣于瓶口61下方的限位环62转动，连接齿3断裂，延伸条11和U型条21拉开至盖体1离开瓶口61。
具体来说，开盖过程中，沿开盖方向，例如是逆时针方向R持续地转动盖体1。由于连接齿3及延伸条11和U型条21的作用，盖环2被盖体1带动，同时盖环2被限位环62限制轴向移动；因此，随盖体1螺旋 上升，盖环2始终卡扣于限位环62上跟随转动。
当盖体1上移一定距离，由于盖体1与盖环2之间的作用力，连接齿3断裂，呈现如图3所示的状态。由于连接齿3断裂，如图3所示，延伸条11和U型条21会轻微翘曲，以便后续延伸条11与U型条21之间渐渐拉开。
当盖体1继续上移，参照图4所示，延伸条11与U型条21会沿高度方向Y被拉开，以确保盖体1沿着瓶口61的螺纹继续螺旋上升。延伸条11和U型条21的设计，需确保二者拉开的总长度大于瓶口61的高度，以使盖体1最终能顺利地转离瓶口61。
结合图1和图4所示，本公开中，延伸条11与U型条21相接触的端部(即延伸条11的第二端11b和U型条21的底部21b)一体连接，非接触端部(即延伸条11的第一端11a和U型条21的开口21a)分别与盖体1和盖环2一体连接，且U型条21包绕延伸条11；从而，一方面，能够充分利用延伸条11和U型条21的自身长度，使延伸条11和U型条21拉开后的总长度接近于(略小于)二者的自身长度之和，另一方面，在盖合状态下延伸条11和U型条21不会占用太多的空间，使得瓶盖整体稳定性强，且几乎不增大瓶盖的整体体积。
继续转动盖体1，则盖体1可从瓶口61离开，呈现如图5所示的状态。在图5所示的开盖完成状态下，盖体1依次通过延伸条11、U型条21和盖环2挂接于限位环62，可避免盖体1掉落丢失，且方便使用完成后将盖体1盖回瓶口61。
在开盖完成状态下，由于延伸条11和U型条21的存在及其连接关系，盖体1会离开瓶口61一段距离(盖体1离开瓶口61的距离略小于延伸条11和U型条21拉开的总长度)，确保用户此时能够方便地从瓶口61饮用容器6内盛装的饮料，不会由于盖体1距离瓶口61太近而影响瓶口61的使用，且延伸条11和U型条21具有一定的强度，不会造成盖体1随意晃动，能够实现开盖状态下盖体1保持在瓶口61附近合适距离。
使用完成后，可将盖体1盖回至瓶口61。当盖体1螺紧后，延伸条11会收纳于U型条21中，且延伸条11和U型条21回到盖环2的避让部20中，呈现图3所示的状态。
上述的瓶盖，只要将其装配至容器6后，就能始终与容器6连在一起，不仅方便使用，还能提升瓶盖的回收率，实现资源循环利用，保护环境。
并且，瓶盖的各个组成部件，即盖体1、延伸条11、U型条21、盖环2及连接齿3一体射出成型，形成瓶盖，能够降低瓶盖的射出成本，方便脱模，避免卡顿，提高生产效率，并方便将瓶盖盖至容器的瓶口，适用于高速生产线。另外，射出材料可为塑胶，使得形成的延伸条11和U型条21具有一定的柔性，便于其拉开；同时延伸条11和U型条21具有一定的强度，从而能够在开盖状态下支撑盖体1。
在一个实施例中，结合图1和图5所示，延伸条11自盖体1的开口端1a起，沿远离盖体1的封闭端1b的方向延伸；避让部20形成为顶部断开的门型槽(即形成为结构)，延伸条11穿过门型槽的断开处，U型条21的开口21a与断开处的下端面一体连接。
如图1所示，延伸条11和U型条21部分容纳于避让部20；图6示出另一实施例中瓶盖的正视结构，如图6所示，延伸条11和U型条21完全容纳于避让部20；具体视延伸条11和U型条21拉开后所需的总长度而定。例如，当应用于具有不同瓶口高度的容器时，延伸条11的自身长度可以从1厘米到50厘米，甚至更长。
上述的瓶盖，盖环2不是360°连续的环，而设有开口；在开口处向下延伸超过盖环2的下缘形成U型条21，U型条21的底部连接盖体1的延伸条11，如此达到瓶盖可以成倍(延伸条11+U型条21)向上拉升的效果。此外，通过可断裂的连接齿3，保持360°的连续结构达成盖环2的功能，同时也达到了在开盖后瓶盖与瓶身连成一体的目标。
通过连接齿3使得盖环2仍然保持圆环结构，能够实现盖环2耐挤压、耐撞击，在运输时可以将盖环2叠放在一起，不会变形；运输到目的地后再方便地将盖环2分开，通过传送带传输到与瓶身盖合的作业处。瓶盖整体结构简单，设计紧密，坚固耐用，能够高速射出成型，运送方便，滚动自如，不会扭曲变形，符合填充线的生产要求，满足填充线的生产效率。
本公开实施例还提供一种容器，包括上述任意实施例描述的瓶盖。上述任意实施例描述的瓶盖的特征和原理均可应用至下面的容器实施例。在 下面的容器实施例中，对已经阐明的关于瓶盖的特征和原理及瓶盖与容器之间的装配关系不再重复说明。
结合图1至图6中的任意附图所示，容器6包括设有螺纹的瓶口61和设于瓶口61下方的限位环62，盖体1螺接于瓶口61，瓶口61的螺纹至少用于在初始盖合状态下螺紧盖体1并在开盖过程中提供盖体1的螺旋上升行程(以及，在盖合过程中还提供盖体1的螺旋下降行程)；盖环2卡扣于限位环62，限位环62用于在初始盖合状态下卡紧盖环2并始终限制盖环2的轴向移动。
在初始盖合状态下，盖体1螺紧于瓶口61，盖环2卡紧于限位环62，且盖体1与盖环2之间通过纵向的细短连接齿3锁紧，确保瓶盖的稳定性，避免容器6运输过程中瓶盖松动；另外，在初始盖合状态下，与盖体1一体连接的延伸条11穿过盖环2的避让部20，并包绕于与盖环2的避让部20一体连接的U型条21中，且延伸条11、U型条21及避让部20之间还通过横向的细短连接齿3锁紧，能够确保盖环2的稳定性，并能确保延伸条11和U型条21紧贴于瓶口61，避免翘曲和变形；在开盖过程中，随盖体1沿瓶口61螺旋上升，盖环2始终卡扣于限位环62上跟随转动，从而连接齿3断裂，延伸条11和U型条21拉开，使盖体1顺利离开瓶口61；在开盖完成状态下，盖体1仍然通过延伸条11、U型条21和盖环2挂接于限位环62上，避免掉落丢失，且方便使用完成后将盖体1盖回瓶口61。
上述的容器6，能够确保瓶盖始终连接在容器6上，不仅方便使用，还能提升瓶盖的回收率，实现资源循环利用，保护环境。并且，瓶盖的各个组成部件，即盖体1、延伸条11、U型条21、盖环2及连接齿3一体射出成型，适用于高速生产线；且瓶盖可方便地盖合至容器6的瓶口，提高容器6的整体生产效率。
另外，容器6在其瓶颈部分还可设置夹瓶环63，夹瓶环63能够帮助容器6在生产线上填充(生产线上设有机械抓手，能通过夹瓶环63抓住容器6)，并提高输送与盖合时的稳定与效率。
在图1至图6的实施例中，夹瓶环63的外径小于盖环2的外径。在一些情况下，夹瓶环的外径也可大于或等于盖环的外径，以更加方便机械 抓手通过夹瓶环抓住容器。图7示出又一实施例中瓶盖的剖视结构，参照图7所示，本实施例中夹瓶环63的外径大于盖环2的外径。此时，延伸条11和U型条21均呈阶梯状，以避开夹瓶环63往瓶身延伸。
本公开实施例还提供一种容器的开盖方法，应用于上述实施例描述的容器。上述任意实施例描述的瓶盖的特征和原理，及上述实施例描述的容器的特征和原理均可应用至下面的开盖方法实施例。在下面的开盖方法实施例中，对已经阐明的关于瓶盖和容器的特征和原理不再重复说明。
图8示出一实施例中容器的开盖方法的主要步骤，参照图8所示，容器的开盖方法包括沿第一时针方向持续转动盖体的第一行程S810和第二行程S820；在第一行程S810中，沿第一时针方向转动盖体，使随盖体螺旋上升，盖环跟随转动且连接齿断裂；在第二行程S820中，继续沿第一时针方向转动盖体，使随盖体螺旋上升，盖环跟随转动且延伸条和U型条拉开，至盖体离开瓶口并通过盖环挂接于限位环。
结合图1至图5示出的开盖过程中瓶盖与容器之间的配合关系。
如图1和图2所示的初始盖合状态下，盖体1螺紧于容器6的瓶口61，盖环2卡紧于瓶口61下方的限位环62，且盖体1与盖环2之间通过纵向的细短连接齿3锁紧，确保瓶盖的稳定性；另外，与盖体1一体连接的延伸条11穿过盖环2的避让部20，并包绕于与盖环2的避让部20一体连接的U型条21中，且延伸条11、U型条21及避让部20之间还通过横向的细短连接齿33锁紧，进一步提升盖环2的稳定性，并确保延伸条11和U型条21紧贴于瓶口61，避免翘曲和变形。
如图3所示的连接齿3断裂后的状态，沿第一时针方向(逆时针方向R)转动盖体1，盖环2卡扣于限位环62上跟随转动，当盖体1上移一定距离后，由于盖体1与盖环2之间的作用力，连接齿3断裂，延伸条11和U型条21轻微翘曲。
如图4所示的盖体1螺旋上升的状态，当盖体1继续上移，盖环2仍然卡扣于限位环62上跟随转动，从而延伸条11与U型条21拉开，确保盖体1沿着瓶口61的螺纹继续螺旋上升至能顺利地转离瓶口61。
如图5所示的盖体1离开瓶口61的状态，当开盖完成，盖体1仍然 通过延伸条11、U型条21和盖环2挂接于限位环62，避免掉落丢失，保持盖体1的开盖状态，且方便使用完成后将盖体1盖回瓶口61。
从而，只要沿第一时针方向持续地转动盖体1，即能顺利地打开瓶盖；且使用完后能方便地将盖体1盖回。
综上，本公开提供的瓶盖、容器及容器的开盖方法，通过相连的盖体和盖环组成瓶盖，实现使用过程中瓶盖始终与容器连在一起，不会掉落丢失，方便用户使用，并能提升瓶盖的回收率；且制造成本低，生产效率高，能够适用于高速生产线。
以上内容是结合具体的优选实施方式对本公开所作的进一步详细说明，不能认定本公开的具体实施只局限于这些说明。对于本公开所属技术领域的普通技术人员来说，在不脱离本公开构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本公开的保护范围。

Claims (11)

  1. 一种瓶盖，包括相连的盖体和盖环，其特征在于，
    所述盖体设有延伸条，所述延伸条的第一端与所述盖体一体连接；
    所述盖环设有供所述延伸条穿过的避让部和包绕所述延伸条的U型条，所述U型条的开口与所述避让部一体连接，所述U型条的底部与所述延伸条的第二端一体连接；
    所述盖体与所述盖环之间、所述延伸条的侧壁与所述U型条之间、及所述U型条的侧壁与所述避让部之间均设有可断裂的连接齿。
  2. 如权利要求1所述的瓶盖，其特征在于，于所述瓶盖的开盖过程中，随所述盖体沿容器的瓶口螺旋上升，所述盖环卡扣于所述瓶口下方的限位环转动，所述连接齿断裂，所述延伸条和所述U型条拉开至所述盖体离开所述瓶口。
  3. 如权利要求2所述的瓶盖，其特征在于，所述延伸条和所述U型条拉开的总长度大于所述瓶口的高度。
  4. 如权利要求2所述的瓶盖，其特征在于，于所述瓶盖的开盖完成状态下，所述盖体依次通过所述延伸条、所述U型条和所述盖环挂接于所述限位环。
  5. 如权利要求1所述的瓶盖，其特征在于，于所述瓶盖的初始盖合状态下，所述盖体螺紧于容器的瓶口，所述盖环卡紧于所述瓶口下方的限位环，所述延伸条和所述U型条锁紧于所述避让部。
  6. 如权利要求1所述的瓶盖，其特征在于，所述延伸条自所述盖体的开口端起，沿远离所述盖体的封闭端的方向延伸；
    所述避让部形成为顶部断开的门型槽，所述延伸条穿过所述门型槽的断开处，所述U型条的开口与所述断开处的下端面一体连接。
  7. 如权利要求6所述的瓶盖，其特征在于，所述延伸条和所述U型条完全容纳于所述避让部；或者
    所述延伸条和所述U型条部分容纳于所述避让部。
  8. 如权利要求1所述的瓶盖，其特征在于，所述盖体、所述延伸条、所述U型条、所述盖环及所述连接齿一体射出成型。
  9. 一种容器，包括设有螺纹的瓶口和设于所述瓶口下方的限位环，其特征在于，所述容器还包括如权利要求1-8任一项所述的瓶盖；
    所述盖体螺接于所述瓶口，所述螺纹至少用于在初始盖合状态下螺紧所述盖体并在开盖过程中提供所述盖体的螺旋上升行程；
    所述盖环卡扣于所述限位环，所述限位环用于在所述初始盖合状态下卡紧所述盖环并始终限制所述盖环的轴向移动。
  10. 如权利要求9所述的容器，其特征在于，还包括设于瓶颈部分的夹瓶环；
    当所述夹瓶环的外径大于所述盖环的外径时，所述延伸条和所述U型条均呈阶梯状，以避开所述夹瓶环往所述容器的瓶身延伸。
  11. 一种容器的开盖方法，其特征在于，应用于如权利要求9或10所述的容器，所述开盖方法包括沿第一时针方向持续转动所述盖体的第一行程和第二行程；
    在所述第一行程中，随所述盖体螺旋上升，所述盖环跟随转动且所述连接齿断裂；
    在所述第二行程中，随所述盖体螺旋上升，所述盖环跟随转动且所述延伸条和所述U型条拉开，至所述盖体离开所述瓶口并通过所述盖环挂接于所述限位环。
PCT/CN2023/081813 2022-03-17 2023-03-16 瓶盖、容器及容器的开盖方法 WO2023174364A1 (zh)

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