WO2017020404A1 - 一种防伪瓶盖 - Google Patents

一种防伪瓶盖 Download PDF

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Publication number
WO2017020404A1
WO2017020404A1 PCT/CN2015/089850 CN2015089850W WO2017020404A1 WO 2017020404 A1 WO2017020404 A1 WO 2017020404A1 CN 2015089850 W CN2015089850 W CN 2015089850W WO 2017020404 A1 WO2017020404 A1 WO 2017020404A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
connecting post
cap body
bottle cap
safety
Prior art date
Application number
PCT/CN2015/089850
Other languages
English (en)
French (fr)
Inventor
曾焕彬
许聪艳
林榕
陈明权
林培基
Original Assignee
泉州华硕实业有限公司
上海嘉亨日用化学品有限公司
曾焕彬
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 泉州华硕实业有限公司, 上海嘉亨日用化学品有限公司, 曾焕彬 filed Critical 泉州华硕实业有限公司
Priority to EP15888730.7A priority Critical patent/EP3333097A4/en
Priority to US15/124,038 priority patent/US10124934B2/en
Publication of WO2017020404A1 publication Critical patent/WO2017020404A1/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
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges
    • 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
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • 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
    • 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
    • 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
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges

Definitions

  • the invention relates to the technical field of caps, and in particular to an anti-counterfeit bottle cap.
  • a Chinese utility model patent entitled 'PE anti-theft cap discloses a PE anti-theft bottle cap, comprising an upper cover, a lower cover disposed at a lower portion of the inner cavity of the upper cover, and a middle portion of the upper side wall of the upper cover A semi-enclosed safety ring is arranged around the periphery, and a sidewall protruding tearing head is respectively connected to both ends of the safety ring.
  • the upper cover can be opened from the lower cover, and when the safety ring is not torn, since the safety ring connects the upper cover and the lower cover, the bottle mouth cannot be opened at this time, so that Avoid unscrupulous personnel replacing or stealing liquid from the bottle without damaging the entire cap.
  • Another example is the authorization utility number CN201144029, the Chinese utility model patent entitled 'anti-counterfeit beverage bottle cap', which discloses a bottle cap, including a bottle cap and an anti-counterfeit breaking ring, and the bottle cap and the breaking ring are fixedly connected through the connecting column.
  • a positioning device is arranged on the breaking ring, the positioning device is matched with the retaining ring of the mouth of the bottle body, and the mouth of the bottle cap and the bottle body is threaded.
  • the connecting post is broken. Continue to rotate the cap and unscrew the cap from the bottle.
  • the connecting bridge further includes an annular anti-theft skirt integrally molded with the cap body and the safety loop, the annular anti-theft skirt being reversibly connected to the edge of the safety loop, the annular anti-theft skirt being in the safety
  • the inner side of the annulus forms a ring of flanges and the two are connected at an obtuse angle.
  • the inner ring of the annular anti-theft skirt is adjacent to the centerline of the cap, and the outer ring of the annular anti-theft skirt is connected with the safety loop.
  • a wedge-shaped protrusion is formed on the surface of the annular anti-theft skirt facing away from the inner cavity of the bottle cap, and a thin wall portion is formed between the two adjacent wedge-shaped protrusions, and the wedge-shaped protrusion has a wedge-shaped convex structure, and the wedge-shaped protrusion The high end of the structure is close to the Ring, close to the lower end of the wedge protrusion structure of the outer ring.
  • the above-mentioned caps have the following defects: some unscrupulous molecules after the bottle is opened normally (after opening, after the safety ring is torn, the connecting column is broken, and the bridge is connected), after the solution in the bottle is stolen or replaced with other solutions
  • the safety ring or the connecting column is connected to the original position by a strong adhesive, so that the bottle cap can be 'recovered', and it is difficult for an ordinary consumer to discern whether the bottle cap has been opened without careful observation, thereby causing loss.
  • the present invention adopts such a technical solution:
  • An anti-counterfeit bottle cap comprises a cap body with internal thread and a safety ring integrally molded with the cap body, and a ring slit is arranged between the safety ring band and the cap body, and is provided on the ring slit
  • An anti-theft mechanism for connecting the cap body and the safety loop comprising a plurality of upper connecting columns, a plurality of lower connecting columns, and a cutting ring disposed between the upper connecting post and the lower connecting post, the upper end of the upper connecting post Connected to the cap body, the lower end is connected to the cutting ring, the upper end of the lower connecting post is connected to the cutting ring, and the lower end is connected with the safety ring band, and the cap body is rotated away from the safety ring belt
  • the cutting ring is deformed, and when the cap body is displaced to a certain position, one of the upper connecting post, the lower connecting post and the cutting ring is broken.
  • the safety loop is separated from the cap body.
  • the upper end of the ring is formed with a plurality of spaced upper convex portions, and a lower portion is formed between the adjacent upper convex portions, and the lower end of the cut ring forms a plurality of spaced lower convex portions.
  • a portion, an upper floating portion is formed between the adjacent lower convex portions, the upper convex portion is disposed corresponding to the upper floating portion, the lower convex portion is disposed corresponding to the sinking portion, and the upper connecting portion is disposed between the upper convex portion and the cap body
  • the lower connecting post is disposed between the lower convex portion and the safety loop band, and the upper connecting post and the lower connecting post are staggered.
  • the cap body and the safety loop are integrally injection molded from PE plastic.
  • the thickness of the slit is between 0.1 and 10 mm
  • the cross section of the upper connecting post and the lower connecting post is rectangular
  • the width of the rectangle is between 0.1 and 10 mm
  • the length is
  • the thickness of the upper connecting post and the lower connecting post is between 0.1 and 10 mm at 0.1 to 10 mm.
  • the number of the upper connecting column and the lower connecting column is 12, and the lateral spacing between the adjacent upper connecting column and the lower connecting column is greater than 0.1 mm.
  • the cutting ring includes a first cutting ring and a second cutting ring, and the first cutting ring and the second cutting ring are connected by an intermediate column, and the upper connecting column is disposed on the cap body
  • the lower connecting post is disposed between the safety loop and the second cutter ring between the first cutter ring and the first cutter ring.
  • the upper connecting post, the cutting ring and the lower connecting post are used as the anti-theft mechanism.
  • the user gradually moves the cap body upward by twisting the cap body, and the cutting ring gradually Deformation occurs, when the cap body moves a certain distance, one of the upper connecting post, the lower connecting post and the cutting ring breaks to separate the safety loop from the cap body .
  • the cutting ring is plastically deformed and cannot be restored, and the broken upper connecting post, lower connecting post or cutting ring can no longer be bonded to the original position, thereby avoiding illegality.
  • the anti-theft mechanism of the invention can be directly formed by using the bottle cap slitting machine, which has low manufacturing cost and cap The advantage of simple structure.
  • Figure 1 is a schematic view showing the structure of the present invention
  • Figure 2 is an enlarged view of A in Figure 1;
  • Figure 3 is a view of the state of use of the present invention (the cap body is displaced relative to the safety annulus and is not separated from the cap body);
  • Figure 4 is a view of the state of use of the present invention (the state in which the cap body is displaced from the safety belt);
  • Figure 5 is a plan view of the cutting ring of the present invention.
  • FIG. 6 is a schematic structural view of another embodiment of the present invention.
  • an anti-counterfeit bottle cap includes a cap body 10 with internal threads and a safety loop 20 integrally molded with the cap body 10, and a safety loop band 20 is disposed between the cap body 10 and the cap body 10 There is a ring slit 30, and an anti-theft mechanism 40 for connecting the cap body 10 and the safety loop 20 is provided on the ring slit 30.
  • the anti-theft mechanism 40 includes a plurality of upper connecting posts 41, a plurality of lower connecting posts 43, and a cutter ring 42 disposed between the upper connecting post 41 and the lower connecting post 43, the upper end of the upper connecting post 41 It is connected to the cap body 10, and the lower end is fixedly connected to the upper end of the cutter ring 42, the upper end of the lower connecting post 43 is connected to the cutter ring 42, and the lower end is connected to the upper end of the safety loop band 20.
  • the ring slit 30, the cutter ring 42, the upper connecting post 41 and the lower connecting post 42 can be directly formed by the cap cutting machine. .
  • the cutter ring 42 gradually deforms, and the cap body 10 is displaced to a certain position (abbreviated as damage) In the upper limit position, one of the upper connecting post 41, the lower connecting post 43, and the cutter ring 42 is broken to separate the safety loop band 20 from the cap body 10.
  • the upper end of the ring 42 is formed with a plurality of spaced apart upper convex portions 44, and a recessed portion 45 is formed between adjacent upper convex portions 44, and the lower end of the cut ring 52 is formed into a plurality of The lower convex portion 46 is disposed at intervals, and the upper floating portion 47 is formed between the adjacent lower convex portions 46.
  • the upper convex portion 44 is disposed corresponding to the upper floating portion 47, and the lower convex portion 46 is disposed corresponding to the sinking portion 45, and the upper connecting column 41 is disposed at Between the upper convex portion 44 and the cap body 10, the lower connecting post 43 is disposed between the lower convex portion 46 and the safety loop band 20, the upper connecting post 41 and the lower portion
  • the connecting posts 43 are staggered. With this structure, the upper end surface and the lower end surface of the cutter ring 42 are wavy, and the ingenious design of the upper connecting post 41 and the lower connecting post 43 can save the force of the capping body 10 to be screwed, and the bottle cap can be opened easily. At the same time, the anti-theft mechanism 40 can be effectively destroyed.
  • the cap body 10 and the safety loop 20 are integrally injection molded from PE plastic.
  • the thickness of the cutting ring 42 is between 0.1 and 10 mm, and the cross section of the upper connecting post 41 and the lower connecting post 43 is rectangular, the width of the rectangle is between 0.1 and 10 mm, and the length is between 0.1 and 10 mm.
  • the thickness of the connecting post 41 and the lower connecting post 43 are both between 0.1 and 10 mm.
  • the number of the upper connecting post 41 and the lower connecting post 43 is 12, and the lateral spacing between the adjacent connecting post 41 and the lower connecting post 43 is adjacent. More than 0.1mm.
  • connection strength between the cap body 10 and the safety loop band 20 is comprehensively considered, and at the same time, the cap body 10 can be screwed up to the upper limit position of destruction, and the cap body 10 and the safety loop band 20 can It is well detached and at the same time saves the opening force of the cap.
  • Figure 3 is a state in which the cap body 10 is displaced relative to the safety annulus 20 and is not disengaged from the cap body 10, at which time the switch 42 is elongated
  • Figure 4 is the cap body 10 disengaged from the safety annulus 20
  • the cap body 10 is continuously screwed, and the cap body 10 can be detached from the bottle mouth of the container to realize opening of the cap.
  • the cap of the present invention is not limited to providing a slit 42.
  • the slit 42 includes a first slit 421 and a second slit 422, and the first slit 421 and the first The second cutting rings 422 are connected by an intermediate column 423 disposed between the cap body 10 and the first cutting ring 421, and the lower connecting post 43 is disposed at the safety ring band 20 is between the second cut ring 422.
  • the use of such a structure is equivalent to the use of two cutter rings.
  • those skilled in the art can provide three or more cutter rings as needed, and the plurality of cutter rings are directly formed by the bottle mouth cutter.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

一种防伪瓶盖，包括瓶盖本体（10）和安全环带（20），安全环带（20）与瓶盖本体（10）之间设有环切缝（30），在环切缝（30）上设有防盗机构（40），所述防盗机构（40）包括多个上连接柱（41）、多个下连接柱（43）以及设置在上连接柱（41）与下连接柱（43）之间的切环（42），上连接柱（41）的上端与瓶盖本体（10）连接，下端与切环（42）连接，下连接柱（43）的上端与切环（42）连接，下端与安全环带（20）连接。采用这种结构，由于瓶盖本体（10）从瓶口上拧开后，切环（42）发生了塑性变形而无法复原，断裂的上连接柱（41）、下连接柱（43）或者切环（42）无法再粘结至原来的位置，从而避免不法人员窃取或者更换瓶内溶液后再将防盗机构复原，同时采用本发明的技术方案，在瓶盖注塑成型之后，可以直接利用瓶盖切口机形成本发明的防盗机构，具有制作成本低、瓶盖结构简易的优点。

Description

一种防伪瓶盖 技术领域
本发明瓶盖技术领域，具体涉及一种防伪瓶盖。
背景技术
在日常生活和工业领域中，塑料瓶因其具有轻便、耐腐蚀以及成本较低等特点，得到广泛应用，与塑料瓶相配套的瓶盖则主要起到对塑料瓶的密封作用，其结构也多种多样。授权公告号CN203975494U，名称为'PE防盗瓶盖'的中国实用新型专利中公开了一种PE防盗瓶盖，包括上盖、设置在上盖内腔下部的下盖，所述上盖侧壁中部周边设有半环抱的安全环，所述安全环两端分别连接有一侧壁凸起式撕拉头。在使用时通过撕裂安全环后，上盖可以从下盖上打开，而在安全环未撕开时，由于安全环将上盖与下盖连接在一起，瓶口此时无法打开，从而可以避免不法人员在不破坏整个瓶盖的条件下更换或者窃取瓶内的液体。
再如授权公告号CN201144029，名称为'防伪饮料瓶盖'的中国实用新型专利，其公开了一种瓶盖，包括瓶盖和防伪的断裂圈，瓶盖与断裂圈通过连接柱固定连接在一起，在断裂圈上设有一定位装置，该定位装置与瓶体的嘴部的挡圈配合，瓶盖与瓶体的嘴部则采用螺纹配合，在使用时，通过转动瓶盖使得连接柱断裂，继续转动瓶盖，将瓶盖从瓶体中旋开。
再如，申请公布号CN104386348A，名称为'一种抗冲击防盗瓶盖'的中国发明专利申请，该申请中公开了一种抗冲击防盗瓶盖，包括带有内螺纹的瓶盖本体、与所述瓶盖本体一体注塑成型的安全环带，所述瓶盖本体与安全环带之间设有环切缝，所述环切缝上等间距设有若干个连接瓶盖本体与安全环带的连接桥，还包括与瓶盖本体及安全环带一体注塑成型的环形防盗裙边，所述环形防盗裙边可翻转地连接于所述安全环带边缘，所述环形防盗裙边在所述安全环带的内侧形成一圈凸缘并且两者呈钝角连接，环形防盗裙边的内环圈靠近瓶盖中心线，而环形防盗裙边的外环圈则与所述安全环带连接，在所述环形防盗裙边背离瓶盖内腔的表面上成型有间隔分布的楔形凸块，两相邻楔形凸块之间是薄壁部，所述楔形凸块呈楔形凸起结构，该楔形凸起结构的高端靠近所述内环圈，楔形凸起结构的低端靠近所述外环圈。
上述的这类瓶盖均存在以下的缺陷：一些不法分子通过正常打开瓶盖后（打开后，安全环撕裂后、连接柱断裂、连接桥），将瓶体内的溶液窃取或者更换其他溶液之后，通过强力胶胶黏剂将安全环或者连接柱连接至原来的位置，使得瓶盖得以'复原'，普通的消费者在没有仔细观察的情况下，难以辨明瓶盖是否被开启过，从而造成损失。
鉴于此，本发明人对上述问题进行深入的研究，遂有本案产生。
发明内容
本发明的目的在于提供一种瓶盖在开启后无法复原的防伪瓶盖，该瓶盖还具有结构简易和制作成本低的优点。
为了达到上述目的，本发明采用这样的技术方案：
一种防伪瓶盖，包括带有内螺纹的瓶盖本体和与瓶盖本体一体注塑成型的安全环带，安全环带与瓶盖本体之间设有环切缝，在环切缝上设有用以连接瓶盖本体与安全环带的防盗机构，所述防盗机构包括多个上连接柱、多个下连接柱以及设置在上连接柱与下连接柱之间的切环，上连接柱的上端与所述瓶盖本体连接，下端与切环连接，下连接柱的上端与切环连接，下端与所述安全环带连接，在所述瓶盖本体因转动而朝背离所述安全环带方向移动时，所述切环变发生变形，且所述瓶盖本***移至某一位置时，所述上连接柱、所述下连接柱以及所述切环三者中的一者断裂而使所述安全环带与所述瓶盖本体相分离。
作为本发明的一种优选方式，所述切环的上端形成多个间隔设置上凸部，相邻上凸部之间形成下沉部，所述切环的下端形成多个间隔设置的下凸部，相邻下凸部之间形成上浮部，上凸部对应上浮部设置，下凸部对应下沉部设置，所述上连接柱设置在所述上凸部与所述瓶盖本体之间，所述下连接柱设置在所述下凸部与所述安全环带之间，所述上连接柱与所述下连接柱错开设置。
作为本发明的一种优选方式，所述瓶盖本体与所述安全环带由PE塑料一体注塑成型。
作为本发明的一种优选方式，所述切环的厚度在0.1至10mm之间，所述上连接柱和所述下连接柱的横截面呈矩形，矩形的宽度在0.1至10mm之间，长度在0.1至10mm，所述上连接柱和所述下连接柱的厚度均在0.1至10mm之间。
作为本发明的一种优选方式，所述上连接柱和所述下连接柱的个数均为12个，相邻所述上连接柱与所述下连接柱之间的横向间距大于0.1mm。
作为本发明的进一步改进，所述切环包括第一切环和第二切环，第一切环与第二切环之间通过中间柱连接，所述上连接柱设置在所述瓶盖本体与所述第一切环之间，所述下连接柱设置在所述安全环带与所述第二切环之间。
采用本发明的技术方案后，通过上连接柱、切环以及下连接柱作为防盗机构，瓶盖安装在瓶口上之后，使用者通过拧动瓶盖本体使得瓶盖本体逐渐向上移动，切环逐渐发生变形，当瓶盖本体移动一定距离时，所述上连接柱、所述下连接柱以及所述切环三者中的一者断裂而使所述安全环带与所述瓶盖本体相分离。采用这种结构，由于瓶盖本体从瓶口上拧开后，切环发生了塑性变形而无法复原，断裂的上连接柱、下连接柱或者切环无法再粘结至原来的位置，从而避免不法人员窃取或者更换瓶内溶液后再将防盗机构复原，同时采用本发明的技术方案，在瓶盖注塑成型之后，可以直接利用瓶盖切口机形成本发明的防盗机构，具有制作成本低、瓶盖结构简易的优点。
附图说明
图1本发明的结构示意图；
图2为图1中A处的放大图；
图3为本发明的使用状态图（瓶盖本体相对安全环带位移且未脱离瓶盖本体的状态）；
图4为本发明的使用状态图（瓶盖本体脱离安全环带位移的状态）；
图5为本发明中切环的俯视图；
图6为本发明另一种实施方式的结构示意图。
具体实施方式
参照图1至图6，一种防伪瓶盖，包括带有内螺纹的瓶盖本体10和与瓶盖本体10一体注塑成型的安全环带20，安全环带20与瓶盖本体10之间设有环切缝30，在环切缝30上设有用以连接瓶盖本体10与安全环带20的防盗机构40。瓶盖安装到容器的瓶口后，该安全环带20与瓶口上的限位机构固定在一起而实现定位，安全环带20与瓶口连接结构在现有技术中已有介绍，如可以采用本申请背景技术中介绍的相关结构，这里不再进行详述。
本发明的核心在于：所述防盗机构40包括多个上连接柱41、多个下连接柱43以及设置在上连接柱41与下连接柱43之间的切环42，上连接柱41的上端与所述瓶盖本体10连接，下端与切环42的上端固定连接，下连接柱43的上端与切环42连接，下端与所述安全环带20的上端连接。在本发明中，当瓶盖本体10与安全环带20注塑成型后，环切缝30、切环42、上连接柱41以及下连接柱42,可以直接通过瓶盖切口机进行环切加工形成。瓶盖加工成型之后，瓶盖本体10因转动而朝背离所述安全环带20方向移动时，所述切环42逐渐变发生变形，且所述瓶盖本体10位移至某一位置（简称破坏上限位置）时，所述上连接柱41、所述下连接柱43以及所述切环42三者中的一者断裂而使所述安全环带20与所述瓶盖本体10相分离。基于本发明的构思，本领域的技术人员可以对瓶盖的材质和相应部位的强度进行相应的设计，使得在瓶盖本体10拧动时，上连接柱41首先断裂，或者下连接柱43首先断裂，或者切换42发生断裂，而瓶盖本体10的破坏上限位置也也相应的材料和设计有关，本发明不对其进行具体限定。
作为本发明的一种优选方式，所述切环42的上端形成多个间隔设置上凸部44，相邻上凸部44之间形成下沉部45，所述切环52的下端形成多个间隔设置的下凸部46，相邻下凸部46之间形成上浮部47，上凸部44对应上浮部47设置，下凸部46对应下沉部45设置，所述上连接柱41设置在所述上凸部44与所述瓶盖本体10之间，所述下连接柱43设置在所述下凸部46与所述安全环带20之间，所述上连接柱41与所述下连接柱43错开设置。采用这种结构，切环42的上端面和下端面均呈波浪状，并且通过上连接柱41和下连接柱43的巧妙设计，能够节省瓶盖本体10拧动的力气，方便开启瓶盖，同时又能够对该防盗机构40进行有效的破坏。
作为本发明的一种优选方式，所述瓶盖本体10与所述安全环带20由PE塑料一体注塑成型。所述切环42的厚度在0.1至10mm之间，所述上连接柱41和所述下连接柱43的横截面呈矩形，矩形的宽度在0.1至10mm之间，长度在0.1至10mm，所述上连接柱41和所述下连接柱43的厚度均在0.1至10mm之间。作为本发明的一种优选方式，所述上连接柱41和所述下连接柱43的个数均为12个，相邻所述上连接柱41与所述下连接柱43之间的横向间距大于0.1mm。采用这种结构，综合考虑瓶盖本体10与安全环带20之间的连接强度，同时又能保证瓶盖本体10向上拧动至破坏上限位置，瓶盖本体10与所述安全环带20能够很好地脱离，同时又能节省瓶盖的开启力气。
参照图3和图4，图3为瓶盖本体10相对安全环带20位移且未脱离瓶盖本体10的状态，此时切换42被拉长，图4为瓶盖本体10脱离安全环带20位移的状态，此时继续拧动瓶盖本体10，瓶盖本体10可以从容器的瓶口上脱离，实现瓶盖的开启。
当然，本发明的瓶盖并不局限于设置一个切环42，参照图6，作为进一步改进，所述切环42包括第一切环421和第二切环422，第一切环421与第二切环422之间通过中间柱423连接，所述上连接柱41设置在所述瓶盖本体10与所述第一切环421之间，所述下连接柱43设置在所述安全环带20与所述第二切环422之间。采用这种结构即相当于采用两个切环，当然本领域的技术人员可以根据需要设置成三个切环或者更多切环，多个切环直接通过瓶口切割机形成。

Claims (6)

  1. 一种防伪瓶盖，包括带有内螺纹的瓶盖本体和与瓶盖本体一体注塑成型的安全环带，安全环带与瓶盖本体之间设有环切缝，在环切缝上设有用以连接瓶盖本体与安全环带的防盗机构，其特征在于：所述防盗机构包括多个上连接柱、多个下连接柱以及设置在上连接柱与下连接柱之间的切环，上连接柱的上端与所述瓶盖本体连接，下端与切环连接，下连接柱的上端与切环连接，下端与所述安全环带连接，在所述瓶盖本体因转动而朝背离所述安全环带方向移动时，所述切环变发生变形，且所述瓶盖本***移至某一位置时，所述上连接柱、所述下连接柱以及所述切环三者中的一者断裂而使所述安全环带与所述瓶盖本体相分离。
  2. 如权利要求1所述的防伪瓶盖，其特征在于：所述切环的上端形成多个间隔设置上凸部，相邻上凸部之间形成下沉部，所述切环的下端形成多个间隔设置的下凸部，相邻下凸部之间形成上浮部，上凸部对应上浮部设置，下凸部对应下沉部设置，所述上连接柱设置在所述上凸部与所述瓶盖本体之间，所述下连接柱设置在所述下凸部与所述安全环带之间，所述上连接柱与所述下连接柱错开设置。
  3. 如权利要求2所述的防伪瓶盖，其特征在于：所述瓶盖本体与所述安全环带由PE塑料一体注塑成型。
  4. 如权利要求3所述的防伪瓶盖，其特征在于：所述切环的厚度在0.1至10mm之间，所述上连接柱和所述下连接柱的横截面呈矩形，矩形的宽度在0.1至10mm之间，长度在0.1至10mm，所述上连接柱和所述下连接柱的厚度均在0.1至10mm之间。
  5. 如权利要求4所述的防伪瓶盖，其特征在于：所述上连接柱和所述下连接柱的个数均为12个，相邻所述上连接柱与所述下连接柱之间的横向间距大于0.1mm。
  6. 如权利要求1至5任一项所述的防伪瓶盖，其特征在于：所述切环包括第一切环和第二切环，第一切环与第二切环之间通过中间柱连接，所述上连接柱设置在所述瓶盖本体与所述第一切环之间，所述下连接柱设置在所述安全环带与所述第二切环之间。
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