WO2010045760A1 - 杠杆式易拉瓶盖 - Google Patents

杠杆式易拉瓶盖 Download PDF

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Publication number
WO2010045760A1
WO2010045760A1 PCT/CN2008/072766 CN2008072766W WO2010045760A1 WO 2010045760 A1 WO2010045760 A1 WO 2010045760A1 CN 2008072766 W CN2008072766 W CN 2008072766W WO 2010045760 A1 WO2010045760 A1 WO 2010045760A1
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WO
WIPO (PCT)
Prior art keywords
cap
bottle cap
lever
pull ring
type easy
Prior art date
Application number
PCT/CN2008/072766
Other languages
English (en)
French (fr)
Inventor
刘朝露
Original Assignee
云南锡业慧强金属制品有限责任公司
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 云南锡业慧强金属制品有限责任公司 filed Critical 云南锡业慧强金属制品有限责任公司
Priority to PCT/CN2008/072766 priority Critical patent/WO2010045760A1/zh
Priority to ES09252105T priority patent/ES2384824T3/es
Priority to PT09252105T priority patent/PT2179940E/pt
Priority to PL09252105T priority patent/PL2179940T3/pl
Priority to AT09252105T priority patent/ATE552183T1/de
Priority to DK09252105.3T priority patent/DK2179940T3/da
Priority to EP09252105A priority patent/EP2179940B1/en
Publication of WO2010045760A1 publication Critical patent/WO2010045760A1/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
    • 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
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/40—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts
    • B65D41/42—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts made of relatively-stiff metallic material, e.g. crown caps

Definitions

  • the present invention relates to an easy-to-open bottle cap for use in a beer bottle or a gas-containing, pressurized beverage, pharmaceutical bottle, and more particularly to a lever type easy-open bottle cap.
  • the existing easy-open bottle cap on the market is to add a pull ring on the common bottle cap, the pull ring and the cover body are directly fixedly connected by a rivet, and two angles are added at the back of the bottle cap to be 20-70 degrees. Invisible cuts on the left and right. When in use, pull up the tab and further pull the part between the two invisible cuts on the cap away from the cap and open the cap.
  • the pull ring and the cover body are directly fixedly connected by a rivet through the riveting holes of the two, and the riveting parts of the rivet and the pull ring and the cover body are easily loosened, thereby causing the sealing property of the bottle cover to be affected, thereby filling the bottle. Objects are contaminated and cause health and safety problems. Furthermore, the pull ring and the cover are riveted with independent rivets, which also increases the complexity of the production process.
  • the angle of the two invisible cuts behind the bottle cap is about 20-70 degrees, and the larger angle not only requires a large pulling force when the cap is opened (requires a pulling force of about 8 kg)
  • the pressure-packed package such as beer, carbonated beverage
  • the pressure-packed package is prone to the phenomenon of "shooting" that is instantaneously ejected.
  • the positioning structure of the pull ring is not provided on the bottle cap, and it is easy for the cap to rotate or the pull ring to cross each other during the filling process, thereby affecting the normal filling operation.
  • the top surface of the cap is a flat surface, and the connection portion between the pull ring and the cap is also a flat plate structure, so that the cap and the pull ring cannot be tightly connected.
  • the object of the present invention is to provide a lever type easy-open bottle cap which is simple in structure, convenient to process and easy to open, and the lever type easy-open bottle cap can ensure the safety and hygiene of the filling object in the bottle, and the opening of the bottle cap is more than The existing easy-open caps are more labor-saving.
  • Another object of the present invention is to provide a lever type easy-open bottle cap to ensure the instant of opening the cap and avoid the phenomenon of "shooting".
  • a further object of the present invention is to provide a lever type easy-open bottle cap, which can save the bottle cap and save the bottle cap, and can also connect the opened pull ring to the bottle cap, and naturally separate the cap from the bottle body, avoiding The bottle mouth is damaged, which facilitates the recycling of empty bottles and caps, which is conducive to environmental protection.
  • the object of the present invention is achieved by a lever type easy-open bottle cap, the lever type easy-open bottle cap comprising a crown cap and a pull ring; the crown cap is stamped upward at the center of the inner side of the top Forming a convex portion around which an arcuate cut is formed on the inner side of the top of the crown cap, the curved cut A linear invisible cut can be opened on one side of the crown cap to open the cap; the pull ring integrally forms a lever piece toward the central portion thereof, and the free end of the lever piece is provided with a riveting hole.
  • the rivet hole is sleeved on the convex portion, and the crown bottle cap and the pull ring are fixedly riveted by the convex portion; the two sides of the connecting portion of the lever piece and the pull ring form corresponding concave arc-shaped notches.
  • the two linear invisible incisions have an included angle of 1-20°.
  • a linear invisible incision extends to the edge of the bottle cap; and the tail of the other linear invisible incision is connected to a circular arc invisible incision, the radius of the arcuate invisible incision It is 1-5 y, and the circular invisible cut has a gap from the edge of the cap.
  • the circular arc-shaped invisible incision has a radius of 3 mm.
  • the outer side of the crown cap is opposite to the two linear invisible cuts and is located on the other side of the crown cap with two positioning bumps, the bottom surface of the lever piece The positioning bump contacts and is positioned.
  • a top surface of the crown cap is formed with a sinking groove for receiving the pull ring.
  • a circular recess is formed around the raised portion inside the sinking groove to increase the strength of the cap.
  • the inner and outer rings of the pull ring form a corresponding bead to the bottom of the pull ring, and the bead of the inner and outer rings closely abuts at the bottom of the pull ring.
  • both sides of the lever piece form a corresponding bead to the bottom thereof.
  • the free end of the rivet hole provided on the lever piece forms a recessed portion that abuts the bottle cap.
  • the lever type easy-open bottle cap of the present invention the pull ring is not directly connected to the bottle cap, but is riveted to the center of the bottle cap by a lever piece, and when the bottle cap is opened, the lever piece is used and the lever is utilized.
  • the principle can greatly reduce the pulling force required to open the cap; the connecting piece of the lever piece and the tab is provided with a concave curved notch, and the lever fulcrum is formed quickly and easily when the cap is opened, so that the lever piece can fully exert the pulling force. effect.
  • a separate rivet is not used for riveting, and no rivet is provided on the cap.
  • FIG. 1 is a schematic view showing the structure of a lever type easy-open bottle cap of the present invention.
  • Figure 2 Schematic diagram of the structure of the cap in the present invention.
  • Fig. 3A is a schematic view showing the structure of a pull ring in the present invention.
  • Fig. 3B is a perspective view of the pull ring of the present invention.
  • Figure 3C is a schematic cross-sectional view of the tab of the present invention.
  • Fig. 4 is a cross-sectional structural view showing the lever type pull-open cap of the present invention before being pressed over the bottle body.
  • Fig. 5 is a cross-sectional structural view showing the lever type pull-open cap of the present invention after being pressed over the bottle body.
  • 1 , 2, and 3A a lever type easy-open bottle cap, the lever type easy-open bottle cap includes a crown cap 1 and a pull ring 2; the crown bottle A convex portion 11 (shown in FIG.
  • the lever type easy-open bottle cap of the present invention the pull ring is not directly connected to the bottle cap, but is riveted to the center of the bottle cap by a lever piece, and when the bottle cap is opened, the lever piece is used and the lever is utilized.
  • the principle can greatly reduce the pulling force required to open the cap; the connecting piece of the lever piece and the pull ring is provided with a concave curved notch, which ensures that the lever fulcrum can be formed quickly and easily when the cap is opened, so that the lever piece can fully exert the pulling force. effect.
  • a separate rivet is not used for riveting, and the cap is not provided.
  • the cap and the pull ring are fixedly riveted by the convex portion, and the convex portion belongs to a part of the bottle cap, thereby avoiding contamination of the object filled in the bottle due to looseness and sealing problem, ensuring safety and hygiene .
  • the angle between the two linear invisible cuts 13 in the present invention is 1-20°. If the angle is too large (greater than 20°, as in the prior art, the angle of 20-70° is used), not only a large opening tension is required, but also a pressurized package is easily opened at the instant of opening the cap ( Such as beer, carbonated beverages, there is a phenomenon of "shooting", which threatens the safety of users.
  • the angle between the two linear invisible cuts 13 is compared by a plurality of tests, and finally selected to be 1-20 degrees, this angle can ensure that the opening force only needs 2 kg, and the cap can be opened after opening Easily get out of the bottle.
  • the angle between the two rectilinear incisions 13 is 9°.
  • one of the linear invisible incisions 13 extends to the edge of the bottle cap 1, and the tail of the other linear invisible incision 13 is connected to a circular arc invisible incision 14
  • the arc-shaped invisible cut 14 has a radius of 1_5, and the arc-shaped invisible cut 14 has a distance D from the edge of the cap 1.
  • the circular arc-shaped invisible incision 14 in the present invention can form a complete opening arc with the linear invisible incision 13 to ensure that no opening angle is formed when the cap is opened, and when the tab 2 is pulled to the cap 1 After the edge, the bottle cap 1 is naturally separated from the bottle body; since the arc-shaped invisible cut 14 has a distance D from the edge of the cap 1, it is ensured that the cap 1 and the tab 2 are integrally connected after the cap is opened. It is beneficial to the recycling of caps and effectively reduces pollution.
  • the radius of the arcuate concealed incision 14 is preferably 3 ⁇ .
  • the linear invisible incision 13 and the arcuate invisible incision 14 are both disposed on the back of the bottle cap 1 and covered by a PVC or PE gasket (not shown) to ensure the opening force.
  • the invention is further reduced to the minimum, and the appearance of the outside of the bottle cap is ensured, so that the prior art incision is provided on the front side of the bottle cap to cause the scald to be exposed to rust in the air. Therefore, the present invention is more advantageous for ensuring the package. quality.
  • the top outer side of the crown bottle cap 1 is provided with two positioning bumps 15 with respect to the two linear invisible cuts 13 and on the other side of the crown cap 1 .
  • the bottom surface of the lever piece 21 is in contact with the positioning bump 15 and is positioned by the two positioning bumps 15 to make the ring 2
  • the tab 2 does not rotate, and further ensures that the cap 1 does not rotate relative to the tab 2 when the can is mounted.
  • the top of the crown cap 1 forms a sinking groove 16 downwardly, and the sinking slot 16 can just take the tab 2 and the lever piece 21 . It is housed in it.
  • the pull ring 2 can be prevented from intersecting each other, and the bottle cover 1 can be smoothly passed through the canning device; meanwhile, since the pull ring 2 is accommodated in the sinking groove 16, the overall height of the bottle cover 1 conforms to the present.
  • the lever type easy-open bottle cap of the present invention can be used without changing the existing canning equipment. Therefore, the lever type easy-open bottle cap of the present invention has better compatibility and versatility.
  • the sinking of the sinking groove 16 disappears due to the pressure inside the bottle (ie: the cap The upper surface is flush, and the pull ring 2 is jacked up so that the pull ring protrudes from the upper surface of the bottle cap 1 to facilitate the user to pull up the pull ring 2.
  • a circular groove 17 is further disposed around the convex portion 11 inside the sinking groove 16 ; the circular groove 17 can strengthen the bottle The strength of the cover 1 makes the cap 1 reach the pressure resistance requirement.
  • the free end of the staking hole 211 is formed in the lever piece 21 to form a recessed portion 213 which abuts against the bottle cap 1.
  • the recessed portion 213 causes the cap 1 to be riveted to the tab 2, the cap 1 can be more closely riveted to the lever piece 21 of the tab 2, and the cap 2 does not affect the cap due to the relative lifting of the tab 2 with the cap 1 Open.
  • the inner and outer rings of the tab 2 form corresponding beadings 22 and 23 toward the bottom of the tab 2, and the beadings 22 and 23 of the inner and outer rings are pulled.
  • the bottom of the ring 2 is close together.
  • the structure can ensure the integrity of the bottle cap 1 and the pull ring 2, so that the cap shape is beautiful, the canning is smooth, and the handle is comfortable when pulled open, and is not scratched or cut by the burrs.
  • the curling edges 22 and 23 of the inner and outer rings are closely engaged at the bottom of the pull ring 2, so that the liquid substance cannot be infiltrated into the ring body during the canning, thereby preventing the rust.
  • the two sides of the lever piece 21 form a corresponding bead 214 toward the bottom thereof to strengthen the strength of the lever piece 21, so that the opening of the bottle cap does not occur due to insufficient strength of the lever piece 21.
  • the situation of large pull. The present invention has been disclosed in terms of specific embodiments, which are not intended to limit the invention, and any equivalents of the equivalents may be made without departing from the spirit and scope of the invention. Equivalent changes and modifications made by the scope of the invention patents shall remain within the scope of this patent.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Devices For Opening Bottles Or Cans (AREA)

Description

杠杆式易拉瓶盖 技术领域 本发明有关于一种用于啤酒瓶或含气、 有压力的饮料、 药品包装瓶上 的易拉瓶盖， 尤其涉及一种杠杆式易拉瓶盖。 背景技术 市场上现有的易拉瓶盖是在普通瓶盖上增设一拉环， 拉环与盖体通过 一铆钉直接固定连接起来， 并在瓶盖背后增加两道夹角为 20-70度左右的 隐形切痕。 使用时， 拉起拉环并进一步将瓶盖上两道隐形切痕之间的部分 拉离瓶盖后将瓶盖打开。
但是， 上述现有的易拉瓶盖至少存在如下缺陷：
1.拉环与盖体通过一铆钉贯穿两者的铆接孔直接固定连接， 铆钉与拉 环和盖体的铆接部位容易因松动而导致瓶盖的密封性受到影响， 从而使瓶 内灌装的物体受到污染， 产生卫生安全问题； 再者， 拉环与盖体采用独立 的铆钉进行铆接， 也增加了生产工艺的复杂性。
2.现有技术中， 瓶盖背后的两道隐形切痕夹角为 20-70度左右， 所述 较大的夹角， 在开启瓶盖时不但需要较大的拉力 （需要 8kg左右的拉力）， 同时， 在拉开瓶盖的瞬间， 所述带压力的包装物 （如啤酒、 含气饮料） 容 易出现瞬间喷出的 "放炮"现象。
3.现有技术中的两道隐形切痕的尾部直接延伸到瓶盖边缘， 会使拉启 瓶盖时拉到尾部后拉启力加大， 并使拉环与盖体分离， 导致瓶盖与瓶体无 法自然分离， 影响开启效果， 也不利于拉环的回收利用。
4.现有技术中， 瓶盖上没有设置拉环的定位结构， 容易使瓶盖在灌装 过程中出现拉环转动或拉环相互交叉在一起， 进而影响正常灌装作业。 5.在现有技术中， 所述瓶盖顶面为平面， 拉环上与所述瓶盖连接部位 也为平板结构， 致使瓶盖与拉环无法紧密连接。
6.在现有技术中， 所述拉环是凸设在瓶盖顶部的， 从而加大了瓶盖的 整体高度， 因此， 必须使用专用设备或将现有灌装设备作出相应改进后才 可进行灌装作业， 所以， 上述现有的杠杆式易拉瓶盖无法使用现有的灌装 设备， 其兼容性和通用性不强。
鉴于现有易拉瓶盖存在的上述问题， 本发明人凭借多年相关行业的丰 富设计开发及实际制作经验， 针对现有结构的缺陷经不断思考和改进， 提 出一种结构简单、 开启方便省力、 通用性强的杠杆式易拉瓶盖。 发明内容 本发明的目的在于提供一种结构简单、 便于加工、 开启方便的杠杆式 易拉瓶盖， 该杠杆式易拉瓶盖能够保证瓶内灌装物体的安全卫生， 且开启 瓶盖时比现有的易拉瓶盖更省力。
本发明的另一目的在于提供一种杠杆式易拉瓶盖， 以保证开启瓶盖的 瞬间， 避免出现 "放炮"现象。
本发明的再一目的在于提供一种杠杆式易拉瓶盖， 除开启瓶盖省力 夕卜， 还可使开启后的拉环与瓶盖相连， 并使瓶盖与瓶体自然分离， 避免对 瓶口造成损坏， 便于空瓶和瓶盖的回收利用， 有利于保护环境。
本发明的又一目的在于提供一种杠杆式易拉瓶盖， 能够避免在灌装时 出现拉环转动或拉环相互交叉在一起， 使灌装作业顺利进行。
本发明的又一目的在于提供一种杠杆式易拉瓶盖， 该易拉瓶盖可以使 用现有的灌装设备， 增加其兼容性和通用性。
本发明的目的是这样实现的，一种杠杆式易拉瓶盖，所述杠杆式易拉瓶 盖包括一冠形瓶盖和一拉环； 所述冠形瓶盖顶部内侧的中心处向上冲压形成 一凸起部， 围绕该凸起部在冠形瓶盖顶部内侧形成一弧形切痕， 该弧形切痕 两端分别向冠形瓶盖一侧延伸设有一能开启瓶盖的直线形隐形切痕； 所述拉 环向其中心部一体成型一杠杆片， 所述杠杆片的自由端设有一铆接孔， 所述 铆接孔套设于该凸起部， 由该凸起部将冠形瓶盖和拉环固定铆接； 所述杠杆 片与拉环连接部位的两侧形成对应的凹弧形缺口。
在本发明一较佳实施方式中，所述两条直线形隐形切痕的夹角为 1-20° 。 在本发明一较佳实施方式中， 一条直线形隐形切痕延伸至瓶盖的边缘； 另一条直线形隐形切痕的尾部连接一圆弧形隐形切痕， 该圆弧形隐形切痕的 半径为 1-5謹， 且该圆弧形隐形切痕与瓶盖的边缘留有一间距。
在本发明一较佳实施方式中， 所述圆弧形隐形切痕的半径为 3mm。
在本发明一较佳实施方式中， 冠形瓶盖顶部外侧相对于两条直线形隐形 切痕且位于冠形瓶盖另一侧设有两个定位凸点， 所述杠杆片的底面与所述定 位凸点接触并定位。
在本发明一较佳实施方式中， 所述冠形瓶盖顶部向下形成一能容设所述 拉环的沉槽。
在本发明一较佳实施方式中， 在所述沉槽内部围绕所述凸起部还设有一 能提高瓶盖强度的圆形凹槽。
在本发明一较佳实施方式中， 所述拉环的内外圈向拉环的底部形成对应 的卷边， 所述内外圈的卷边在拉环底部紧密靠合。
在本发明一较佳实施方式中， 所述杠杆片的两侧向其底部形成对应的卷 边。
在本发明一较佳实施方式中， 所述杠杆片上设置铆接孔的自由端形成向 瓶盖贴靠的凹陷部。
综上所述， 本发明的杠杆式易拉瓶盖， 拉环不直接与瓶盖相连接， 而是 通过一杠杆片铆接在瓶盖中心， 开启瓶盖时， 通过所述杠杆片并利用杠杆原 理， 可大幅度减少开启瓶盖所需的拉力； 杠杆片与拉环相连处设置有凹弧形 缺口， 开启瓶盖时轻松快捷地形成了杠杆支点， 使杠杆片充分发挥了减小拉 力的作用。 再者， 本发明中不使用单独的铆钉进行铆接， 瓶盖上也不设置铆 钉孔， 所述瓶盖与拉环由凸起部固定铆接， 该凸起部属于瓶盖的一部分， 因 此， 可避免因松动及密封性问题导致瓶内灌装的物体受到污染， 确保安全卫 生。 附图说明 图 1 : 本发明的杠杆式易拉瓶盖的结构示意图。
图 2: 本发明中瓶盖的结构示意图。
图 3A: 本发明中拉环的结构示意图。
图 3B: 本发明中拉环的立体示意图。
图 3C: 本发明中拉环的剖视示意图。
图 4: 本发明的杠杆式易拉瓶盖压盖于瓶体之前的剖视结构示意图。 图 5: 本发明的杠杆式易拉瓶盖压盖于瓶体之后的剖视结构示意图。 具体实施方式 如图 1、 图 2、 图 3A所示， 一种杠杆式易拉瓶盖， 所述杠杆式易拉瓶盖 包括一冠形瓶盖 1和一拉环 2; 所述冠形瓶盖 1顶部内侧的中心处向上冲压 形成一凸起部 11 (如图 4所示）， 围绕该凸起部 11在冠形瓶盖 1顶部内侧形 成一弧形切痕 12， 该弧形切痕 12两端分别向冠形瓶盖 1一侧延伸设有一能 开启瓶盖的直线形隐形切痕 13;所述拉环 2向其中心部一体成型一杠杆片 21， 所述杠杆片 21的自由端设有一铆接孔 211， 所述铆接孔 211套设于该凸起部 11， 由该凸起部 11将冠形瓶盖 1和拉环 2固定铆接； 所述杠杆片 21与拉环 2连接部位的两侧形成对应的凹弧形缺口 212。
综上所述， 本发明的杠杆式易拉瓶盖， 拉环不直接与瓶盖相连接， 而是 通过一杠杆片铆接在瓶盖中心， 开启瓶盖时， 通过所述杠杆片并利用杠杆原 理， 可大幅度减少开启瓶盖所需的拉力； 杠杆片与拉环相连处设置有凹弧形 缺口， 确保开启瓶盖时能轻松快捷地形成杠杆支点， 使杠杆片充分发挥减小 拉力的作用。 再者， 本发明中不使用单独的铆钉进行铆接， 瓶盖上也不设置 铆钉孔， 所述瓶盖与拉环由凸起部固定铆接， 该凸起部属于瓶盖的一部分， 因此， 可避免因松动及密封性问题导致瓶内灌装的物体受到污染， 确保安全 卫生。
进一步， 如图 1、 图 2所示， 本发明中所述两条直线形隐形切痕 13的夹 角为 1-20° 。 如果所述夹角过大 （大于 20° ， 如现有技术中采用 20-70° 的 夹角）， 不仅需要较大的开启拉力， 而且容易在开启瓶盖的瞬间使带压力的包 装物 （如啤酒、 含气饮料） 出现 "放炮"现象， 威胁到使用者的安全。 本发 明中， 所述两条直线形隐形切痕 13 的夹角经过多次试验比较， 最终选定为 1-20度， 这一角度能够确保开启力仅需 2kg， 且能够使瓶盖开启后轻松地脱 离瓶体。 在本实施方式中， 两条直线形隐形切痕 13的夹角为 9° 。
在本实施方式中， 如图 1、 图 2所示， 其中一条直线形隐形切痕 13延伸 至瓶盖 1 的边缘， 另一条直线形隐形切痕 13 的尾部连接一圆弧形隐形切痕 14， 该圆弧形隐形切痕 14的半径为 1_5讓， 且该圆弧形隐形切痕 14与瓶盖 1 的边缘留有一间距 D。 本发明中的圆弧形隐形切痕 14能够与所述直线形隐形 切痕 13形成一个完整的开启弧线， 确保开启瓶盖时不形成拉开死角， 当拉环 2拉至瓶盖 1的边缘后顺势将瓶盖 1与瓶体自然分离； 由于该圆弧形隐形切 痕 14与瓶盖 1的边缘留有一间距 D， 可确保开启瓶盖后瓶盖 1与拉环 2连为 一体， 既有利于瓶盖回收利用， 又有效地减少了污染。 在本实施方式中， 所 述圆弧形隐形切痕 14的半径最佳为 3讓。
在本发明中所述直线形隐形切痕 13和圆弧形隐形切痕 14均设于瓶盖 1 的背面， 且被 PVC或 PE垫片（图中未示出）覆盖， 既确保了开启力降低到最 小程度， 又保证了瓶盖外侧的美观， 可避免现有技术中切痕设于瓶盖正面导 致切痕暴露在空气中出现锈蚀的情况， 因此， 本发明更有利于确保包装物的 质量。
进一步， 如图 2所示， 在本实施方式中， 冠形瓶盖 1顶部外侧相对于两 条直线形隐形切痕 13且位于冠形瓶盖 1另一侧设有两个定位凸点 15， 所述 杠杆片 21的底面与所述定位凸点 15接触并由两个定位凸点 15定位，使拉环 2铆合在瓶盖 1上时更加稳固， 拉环 2不会产生旋转现象， 并进一步保证罐 装时瓶盖 1不相对拉环 2旋转。
如图 1、 图 2和图 4所示， 在本实施方式中， 所述冠形瓶盖 1顶部向下 形成一沉槽 16， 该沉槽 16恰好能够将所述拉环 2及杠杆片 21容设在其中。 在罐装时， 可使拉环 2避免产生相互交叉的情况， 保证瓶盖 1顺利通过罐装 设备； 同时， 由于拉环 2容设在沉槽 16中， 使瓶盖 1的整体高度符合现有灌 装生产线的要求，无需改变现有罐装设备即可使用本发明的杠杆式易拉瓶盖， 因此， 本发明的杠杆式易拉瓶盖具有较好的兼容性和通用性。 进一步， 当瓶 内灌装相应饮料后将所述瓶盖 1压盖于瓶口时， 如图 5所示， 由于瓶内压力 的作用， 使所述沉槽 16的沉陷消失 （即： 瓶盖上表面平齐)， 并将所述拉环 2顶起， 使拉环凸出于瓶盖 1的上表面， 以方便使用者拉起该拉环 2。
在本实施方式中， 如图 1、 图 2和图 4所示， 在所述沉槽 16内部围绕所 述凸起部 11还设有一圆形凹槽 17; 该圆形凹槽 17能够加强瓶盖 1强度， 使 瓶盖 1达到耐压要求。
如图 3A、 图 3B、 图 3C和图 4所示， 在本实施方式中， 所述杠杆片 21上 设置铆接孔 211的自由端形成向瓶盖 1贴靠的凹陷部 213。 该凹陷部 213使 瓶盖 1与拉环 2铆接时， 瓶盖 1可与拉环 2的杠杆片 21铆合的更紧密， 不会 因拉环 2与瓶盖 1相对撬起影响瓶盖的开启。
如图 3A、 图 3B、 图 3C和图 4所示， 所述拉环 2的内外圈向拉环 2的底 部形成对应的卷边 22和 23， 所述内外圈的卷边 22和 23在拉环 2底部紧密 靠合。 该结构能够保证瓶盖 1与拉环 2的整体性， 使瓶盖外形美观， 罐装顺 畅， 并保证拉启瓶盖时手感舒适、 不被毛边剌伤或割伤。 同时， 内外圈的卷 边 22和 23在拉环 2底部紧密靠合， 可使罐装时液态物质无法渗入环体， 起 到了防止锈蚀的作用。
进一步， 如图 3B所示， 所述杠杆片 21的两侧向其底部形成对应的卷边 214， 以加强杠杆片 21的强度， 使瓶盖开启时不会出现由于杠杆片 21强度不 够而增大拉力的情况。 虽然本发明已以具体的实施方式揭示， 但其并非用以限定本发明， 任何 本领域的技术人员， 在不脱离本发明的构思和范围的前提下所作出的等同组 件的置换， 或依本发明专利保护范围所作的等同变化与修饰， 皆应仍属本专 利涵盖之范畴。

Claims

权利要求书
1.一种杠杆式易拉瓶盖， 其特征在于： 所述杠杆式易拉瓶盖包括一冠形 瓶盖和一拉环； 所述冠形瓶盖顶部内侧的中心处向上冲压形成一凸起部， 围 绕该凸起部在冠形瓶盖顶部内侧形成一弧形切痕， 该弧形切痕两端分别向冠 形瓶盖一侧延伸设有一能开启瓶盖的直线形隐形切痕； 所述拉环向其中心部 一体成型一杠杆片， 所述杠杆片的自由端设有一铆接孔， 所述铆接孔套设于 该凸起部， 由该凸起部将冠形瓶盖和拉环固定铆接； 所述杠杆片与拉环连接 部位的两侧形成对应的凹弧形缺口。
2.如权利要求 1所述的杠杆式易拉瓶盖， 其特征在于： 所述两条直线形 隐形切痕的夹角为 1-20° 。
3.如权利要求 2所述的杠杆式易拉瓶盖， 其特征在于： 一条直线形隐形 切痕延伸至瓶盖的边缘； 另一条直线形隐形切痕的尾部连接一圆弧形隐形切 痕， 该圆弧形隐形切痕的半径为 l_5mm， 且该圆弧形隐形切痕与瓶盖的边缘 留有一间距。
4.如权利要求 3所述的杠杆式易拉瓶盖， 其特征在于： 所述圆弧形隐形 切痕的半径为 3mm。
5.如权利要求 1所述的杠杆式易拉瓶盖， 其特征在于： 冠形瓶盖顶部外 侧相对于两条直线形隐形切痕且位于冠形瓶盖另一侧设有两个定位凸点， 所 述杠杆片的底面与所述定位凸点接触并定位。
6.如权利要求 1所述的杠杆式易拉瓶盖， 其特征在于： 所述冠形瓶盖顶 部向下形成一能容设所述拉环的沉槽。
7.如权利要求 6所述的杠杆式易拉瓶盖， 其特征在于： 在所述沉槽内部 围绕所述凸起部还设有一能提高瓶盖强度的圆形凹槽。
8.如权利要求 1所述的杠杆式易拉瓶盖， 其特征在于： 所述拉环的内外 圈向拉环的底部形成对应的卷边， 所述内外圈的卷边在拉环底部紧密靠合。
9.如权利要求 1所述的杠杆式易拉瓶盖， 其特征在于： 所述杠杆片的两 侧向其底部形成对应的卷边。
10.如权利要求 1所述的杠杆式易拉瓶盖， 其特征在于： 所述杠杆片上设 置铆接孔的自由端形成向瓶盖贴靠的凹陷部。
PCT/CN2008/072766 2008-10-21 2008-10-21 杠杆式易拉瓶盖 WO2010045760A1 (zh)

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ES09252105T ES2384824T3 (es) 2008-10-21 2009-09-01 Tapón abrefácil de tipo palanca para botella
PT09252105T PT2179940E (pt) 2008-10-21 2009-09-01 Cápsula de abertura fácil tipo alavanca para garrafa
PL09252105T PL2179940T3 (pl) 2008-10-21 2009-09-01 Łatwootwieralny kapsel typu dźwigniowego do butelki
AT09252105T ATE552183T1 (de) 2008-10-21 2009-09-01 Hebelähnlicher, leicht zu öffnender deckel für flasche
DK09252105.3T DK2179940T3 (da) 2008-10-21 2009-09-01 En let-at-åbne flaskekapsel af løftestangstypen
EP09252105A EP2179940B1 (en) 2008-10-21 2009-09-01 A lever-type easy-to-open cap for bottle

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PT2179940E (pt) 2012-07-02

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