WO2017157236A1 - 双层下防插拉链 - Google Patents

双层下防插拉链 Download PDF

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Publication number
WO2017157236A1
WO2017157236A1 PCT/CN2017/076148 CN2017076148W WO2017157236A1 WO 2017157236 A1 WO2017157236 A1 WO 2017157236A1 CN 2017076148 W CN2017076148 W CN 2017076148W WO 2017157236 A1 WO2017157236 A1 WO 2017157236A1
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WO
WIPO (PCT)
Prior art keywords
chain
insert
hook
width
cufflink
Prior art date
Application number
PCT/CN2017/076148
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English (en)
French (fr)
Inventor
郑运婷
Original Assignee
郑运婷
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Publication date
Application filed by 郑运婷 filed Critical 郑运婷
Publication of WO2017157236A1 publication Critical patent/WO2017157236A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/34—Stringer tapes; Flaps secured to stringers for covering the interlocking members
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/26—Sliders
    • A44B19/30—Sliders with means for locking in position
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/26—Sliders
    • A44B19/30—Sliders with means for locking in position
    • A44B19/308—Sliders with means for locking in position in the form of a spring-actuated locking member actuated by the pull member

Definitions

  • the invention relates to a safety zipper, in particular to a double bottom anti-insertion zipper.
  • the zipper used in the trunk or duffel bag due to the insufficient strength of the zipper, can be used to insert the zipper into the zipper during use, and the zipper can be opened, a double-layer anti-insertion that prevents the zipper from being cut open. Zippers have become a need to increase the strength of zippers and theft.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a double-layer anti-insert zipper for improving the strength of the zipper and improving the anti-theft performance of the zipper.
  • the double-layer anti-insert zipper comprises a chain seat, an upper chain, a lower chain and a steel tape measure, the chain seat is connected with the upper chain, the lower chain and the steel tape measure; the chain seat is provided with a left upper chain groove, The upper right chain slot, the lower left chain slot and the lower right chain slot, the upper chain includes an upper left chain, an upper right chain, a chain head sealing member and a chain tail sealing member, the lower chain includes a lower left chain and a lower right chain; the upper left chain and the upper right chain, The lower left chain and the lower right chain are connected with the chain sealing member and the chain sealing member; the upper left chain is connected to the upper left chain slot, the upper right chain is connected to the upper right chain slot, the lower left chain is connected to the lower left chain slot, and the lower right chain and the lower right chain slot are connected.
  • the steel tape measure comprises a casing and a steel coil, the head end of the steel coil is connected with the chain head sealing member of the upper chain, the steel coil belt is connected with the lower left chain and the right lower chain, and the steel coil is located at the chain seat.
  • the upper left chain is provided with an upper left chain buckle, a left upper anti-insert piece and a left upper chain cloth.
  • the upper left chain buckle and the left upper anti-insert piece are composed of an integral material, and the upper left chain buckle is connected with the left upper chain cloth;
  • the strip is provided with an upper right chain buckle, an upper right anti-insert tab and an upper right chain cloth.
  • the upper right clasp and the upper right anti-insert tab are composed of an integral material, and the upper right clasp is connected with the upper right chain cloth; the upper left anti-insert tab is located at each upper left clasp.
  • the position between the upper right anti-inserts is located between each right upper cuff, and the gap between the upper left cuff and the upper right cuff is sealed by the upper left anti-insert and the upper right anti-insert; the lower left chain is provided with a lower left cuff.
  • the lower left anti-insert and the lower left chain cloth, the lower left cuff and the lower left anti-insert are composed of a single material, the lower left cuff is connected with the left lower chain cloth; the lower right chain is provided with a lower right cuff, a lower right anti-insert and a right
  • the lower chain cloth, the lower right cuff and the lower right anti-insert piece are composed of one material, the lower right cuff is connected with the lower right chain cloth; the lower left anti-insert is located between each lower left cuff, and the lower right is inserted.
  • the piece is located between each lower right cufflink, using the lower left anti-insert
  • the film and the lower right security insert seal the gap between the lower left buckle and the lower right buckle; the difficulty of inserting the illegal chain into the upper chain; when the illegal molecule inserts the upper chain and the lower chain with the sharp weapon, the sharpener is taken by the steel coil Blocking, making it difficult for criminals to insert the upper chain and the lower chain.
  • the double-layer anti-insert zipper is used by connecting the left upper chain cloth, the left lower chain cloth, the upper right chain cloth and the lower right chain cloth to the trunk of the luggage box, and the handle on the steel tape measure is located outside the luggage compartment.
  • the hand gripper pulls the steel tape measure and the chain seat to move, the chain seat follows the handle to move, the upper left chain and the upper right chain are snapped together, and the lower left chain and the lower right chain are snapped together,
  • the trunk of the suitcase is closed; at the same time, the steel tape is moved along with the chain seat, and the steel coil is pulled out with the movement of the steel tape.
  • the drawn steel coil is pulled by the lower left chain of the lower left chain and the lower right chain of the lower right chain.
  • the utility model has the beneficial effects that: when used, the double-layer anti-insert zipper is arranged on the luggage box, and the double-layer anti-insert zipper is provided with two layers of chains and a steel tape measure, and the upper chain is provided with an upper left anti-insert piece and an upper right anti-insert
  • the film, the lower left anti-insert tab, and the lower right anti-insert tab use the upper left anti-insert tab and the upper right anti-insert tab to seal the gap between the upper left clasp and the upper right clasp, and are sealed by the lower left anti-insert tab and the lower right anti-insert tab.
  • the gap between the lower left cuff and the lower right cuff is sealed by a steel tape with a steel tape.
  • 1 is a schematic structural view of a double-layer anti-insertion zipper
  • Figure 2 is a left side view of Figure 1;
  • Figure 3 is a partial schematic view of the upper left anti-insert tab and the upper right anti-insert tab;
  • FIG. 4 is a partial schematic view of the lower left anti-insert tab and the lower right anti-insert tab.
  • FIG. 1 is a schematic view showing the structure of the double-layer lower anti-insertion zipper, FIG. 2, the left side view of FIG. 1, the left upper anti-insert piece and the upper right anti-insert piece shown in FIG. 3, and the left lower anti-insert piece shown in FIG. And a partial schematic diagram of the lower right anti-insert tab;
  • the double-layer anti-insert zipper includes a chain base 1, an upper chain 2, a lower chain 3, and a steel tape measure 4, the chain base 1 and the upper chain 2, the lower chain 3, and the steel tape measure 4
  • the chain base 1 is provided with a left upper chain groove 5, a right upper chain groove 6, a left lower chain groove 7, and a lower right chain groove 8.
  • the upper chain 2 includes an upper left chain 9, an upper right chain 10, a chain head sealing member 11, and a chain tail seal.
  • the lower chain 3 includes a lower left chain 13 and a lower right chain 14; the upper left chain 9, the upper right chain 10, the lower left chain 13 and the lower right chain 14 are connected to the chain closure member 11 and the chain closure member 12; the upper left chain 9 Connected to the upper left chain slot 5, the upper right chain 10 is connected to the upper right chain slot 6, the lower left chain 13 is connected to the lower lower chain slot 7, and the lower right chain 14 is connected to the right lower chain slot 8;
  • the steel tape measure 4 includes the outer casing 15 and the steel coil 16.
  • the head end 17 of the steel reel 16 is connected to the chain head sealing member 11 of the upper chain 2, and the steel reel 16 and the lower left
  • the chain 13 and the right lower chain 14 are dynamically mated, and the steel coil 16 is located below the chain base 1;
  • the upper left chain 9 is provided with an upper left buckle 18, a left upper anti-insert 19 and a left upper chain 20, and the upper left fastener 18 and the upper left
  • the anti-insert piece 19 is composed of an integral material, and the upper left chain buckle 18 is connected to the left upper chain cloth 20;
  • the upper right chain 10 is provided with an upper right chain buckle 21, an upper right anti-insert piece 22 and an upper right chain cloth 23, and the upper right cufflink 21 and the upper right anti-insert
  • the sheet 22 is composed of an integral material, the upper right cuff 21 is connected to the upper right chain 23; the upper left anti-insert 19 is located between each upper left cuff 18, and the upper right anti-insert
  • the lower left cuff 24 and the lower left anti-insert 25 are composed of an integral material, and the lower left cuff 24 is connected to the left lower chain 26;
  • the lower right chain 14 is provided with a lower right cuff 27, a lower right anti-insert 28 and a lower right
  • the chain cloth 29, the lower right buckle 27 and the lower right protection insert 28 are composed of an integral material, and the lower right buckle 27 is The lower chain cloth 29 is connected;
  • the lower left anti-insert 25 is located between each of the lower left cuffs 24, and the lower right anti-insert 28 is located between each of the lower right cuffs 27, using the lower left anti-insert 25 and the right
  • the lower anti-insert tab 28 seals the gap between the lower left cuff 24 and the lower right cuff 27;
  • the difficulty of inserting the upper chain 2 when the illegal molecule is inserted into the upper chain 2 and the lower chain 3 by the sharpener, the sharpener is blocked by
  • the lower lower cuff 24 is provided with a left hook 30, and the lower lower cuff 27 is provided with a right hook 31;
  • the upper left chain 20 is connected to the left lower chain 26 , the upper right chain cloth 23 and the right lower chain cloth 29;
  • the steel coil belt 16 is mechanically coupled with the lower left chain buckle 24 and the lower right chain buckle 27, and the steel coil belt 16 is located between the left hook 26 and the right hook 29, and the left bend
  • the hook 30 and the right hook 31 are located below the upper left chain slot 5 and the upper right chain slot 6, and the steel buckle belt 16 is hooked by the left hook 30 and the right hook 31.
  • the chain base 1 includes an upper chain plate 32 and an upper chain.
  • the links 35 are connected, and the lower chain 35 is connected to the lower link 36; or, the upper chain 32, the upper chain 33, the middle chain 34, the lower chain 35 and the lower chain 36 are formed of a single material.
  • the lower link plate 36 is provided with a guide wheel 46, the guide wheel 46 is hinged with the lower link plate 36, and the steel coil 16 is connected to the chain closure member 11 via the guide wheel 36; the outer casing 15 of the steel tape measure 4 is connected to the upper link plate 32;
  • the upper left chain slot 5 is composed of an upper chain plate 32 and
  • the middle link plate 34 is formed on the left side of the upper chain link 33, and the upper left chain groove 5 is located on the left side of the upper link column 33;
  • the upper right link groove 6 is formed by the upper link plate 32 and the right side of the upper link plate 33 and the upper link 33
  • the right chain groove 6 is located on the right side of the upper chain column 33;
  • the left lower chain groove 7 is formed by the middle chain plate 34 and the lower side of the lower chain plate 36 and the lower chain column 35, and the left lower chain groove 7 is located on the left side of the lower chain column 35.
  • the right lower chain groove 8 is constituted by the middle left chain plate 34 and the lower chain plate 36 and the
  • the distance between the left hook 30 and the right hook 31 is greater than that of the steel coil
  • the width of the belt 16 enables the steel coil 16 to move between the left hook 30 and the right hook 31; the distance between the left hook 30 and the right hook 31 is greater than the width of the lower link 36, so that the lower link 36 can move between the left hook 30 and the right hook 31; the distance from the left hook 37 of the left hook 30 to the right hook 38 of the right hook 31 is smaller than the width of the steel coil 16; the steel coil 16 is located
  • the lower link plate 36 is interposed between the left hook tail 37 and the right hook tail 38; the steel coil tape 16 cannot be detached from the left hook 30 and the right hook 31.
  • the left upper gap 39 between the upper left upper buckle 18 and the other upper left buckle 18 is higher than the upper left by the mating connection and the dynamic matching connection of the lower left buckle 24 and the lower right buckle 27
  • the width of the anti-insert sheet 19 is 0.2 mm to 0.5 mm; the upper right gap 40 between one upper right clasp 21 and the other upper right clasp 21 is 0.2 mm to 0.5 mm larger than the width of the upper right anti-insert sheet 22; one lower left clasp
  • the lower left gap 41 between the 24 and the other lower left clasp 24 is 0.2 mm to 0.5 mm larger than the width of the lower left insert 25; the lower right gap 42 between the lower right clasp 27 and the other lower right clasp 27
  • the steel tape measure 4 is provided with a dynamic lock hole 43, and the chain tail seal member 12 is provided with a fixed lock hole 44 for facilitating the lock of the chain base 1 and the chain tail seal member 12 by means of the lock.
  • the double-layer anti-insert zipper is used by connecting the left upper chain cloth 20, the lower left chain cloth 26, the upper right chain cloth 23, and the lower right chain cloth 29 to the trunk of the trunk when used, and the steel tape measure 4 is
  • the handle 45 is located outside the luggage; when the luggage is closed, the hand grip 45 pulls the steel tape measure 4 and the chain base 1 to move, and the chain base 1 follows the handle 45 to move, so that the upper left chain 9 and the upper right chain 10 are snap-fitted together, and The lower left chain 13 and the lower right chain 14 are snap-fitted together to close the trunk of the luggage; at the same time, the steel tape 4 moves along with the chain seat 1, and the steel coil 16 is pulled out with the movement of the steel tape 4, and is pulled out.
  • the steel reel 16 is fastened to the lower side of the chain base 1 by the lower left chain buckle 24 of the lower left chain 13 and the lower right chain buckle 27 of the lower right chain 14, and the lower right chain 14 and the lower right chain buckle 27 are closed below the closed opening;
  • the upper left chain 9 and the upper right chain 10 are closed, the upper left anti-insert sheet 19 is moved to a position between one upper left cuff 18 and the other upper left cuff 18, and the upper right anti-insert 22 is moved to be located at an upper right cuff 21
  • the grip handle 45 pulls the outer casing 15 and the chain base 1 to move, the upper left clasp 18 and the upper left anti-insert 19 are introduced by the upper left chain slot 5, and the upper right clasp 21 and the upper right anti-insert 22 are from the upper right.
  • the chain groove 6 is introduced, the lower left buckle 24 and the lower left guard 25 are introduced by the lower left chain slot 7, and the lower right buckle 27 and the lower right security insert 28 are introduced by the right lower chain slot 8 by the upper left chain slot of the chain base 1. 5.
  • the upper right chain slot 6 is engaged with the upper right chain buckle 21 by the upper right chain buckle 18, and the lower left chain buckle 24 and the right lower chain buckle 27 are engaged by the left lower chain slot 7 and the lower right chain slot 8; meanwhile, the upper left anti-insert tab 19 follows the left upper clasp 18 to move to the position of the upper left gap 39 between one upper left clasp 18 and the other upper left clasp 18; the upper right anti-insert 22 follows the upper right cuff 21 to move to one upper right cuff 21 and the other upper right
  • the steel tape measure 4 moves following the chain base 1, and the steel tape 16 is pulled out as
  • the steel tape 4 follows The chain base 1 moves, the lower link plate 36 follows the handle 45 to move between the left hook 30 and the right hook 31, and the length of the steel coil 16 is pulled out is proportional to the length of the lower left chain 13 and the lower right chain 14 closed or
  • the steel tape measure 4 moves in the opposite direction of the chain base 1, and the lower link plate 36 follows the handle 45 to move between the left hook 30 and the right hook 31, and the steel coil 16 is recovered.
  • the length into the steel tape measure 4 is proportional to or equal to the length separating the lower left chain 13 from the
  • the length of the steel coil 16 when the steel tape measure 4 is pulled out when the lower left chain 13 and the lower right chain 14 are closed The length of the steel reel 16 that is pulled out by the steel tape measure 4 when the lower left chain 13 and the lower right chain 14 are separated; when the upper chain 2 and the lower chain 3 are closed, the chain block 1 moves in the direction of the chain closure member 12, and the upper chain 2 And the lower chain 3 is continuously closed as the chain base 1 moves; when the upper chain 2 and the lower chain 3 are separated, the chain base 1 moves in the direction of the chain head sealing member 11, and the upper chain 2 and the lower chain 3 follow the chain seat 1
  • Each left upper anti-insert tab 19 is dynamically mated with an adjacent upper left clasp 18, and each right upper anti-insert tab 22 is movably coupled to an adjacent upper right clasp 21; each lower left anti-insert tab 25 is mechanically coupled to the adjacent lower left clasp 24, and each of the lower right retaining tabs 28 is movably coupled to the adjacent lower right clasp 27.
  • the steel tape 16 When the steel tape 16 is pulled out by the steel tape measure 4, the steel tape 16 presses the guide wheel 46, and the steel tape 16 drives the guide wheel 46 to rotate, reducing the friction between the steel tape 16 and the guide wheel 46; the steel tape 16 When retracted by the steel tape measure 4, the steel reel 16 presses against the guide wheel 46, and the reel 16 drives the guide wheel 46 to rotate, reducing the friction between the steel reel 16 and the guide wheel 43.

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  • Slide Fasteners (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

双层下防插拉链，包括有链座(1)、上链条(2)、下链条(3)以及钢卷尺(4)，上链条(2)包括有左上链条(9)、右上链条(10)、链头封口件(11)以及链尾封口件(12)，下链条(3)包括有左下链条(13)以及右下链条(14)，钢卷尺(4)包括有外壳(15)以及钢卷带(16)，左上链条(9)设有左上链扣(18)、左上防插片(19)以及左上链布(20)，右上链条(10)设有右上链扣(21)、右上防插片(22)以及右上链布(23)，左下链条(13)设有左下链扣(24)、左下防插片(25)以及左下链布(26)，右下链条(14)设有右下链扣(27)、右下防插片(28)以及右下链布(29)；使用时，将双层下防插拉链设置于行李箱上，利用左上防插片以及右上防插片封住左上链扣以及右上链扣之间的间隙，利用左下防插片以及右下防插片封住左下链扣以及右下链扣之间的间隙，利用钢卷尺的钢卷带封住两层链条，增加不法分子用利器插开拉链的难度。

Description

双层下防插拉链 技术领域
本发明涉及一种安全拉链，特别是一种双层下防插拉链。
背景技术
目前，行李箱或者行李袋使用的拉链，由于拉链的强度不够，在使用的过程中，不法分子用利器插入拉链，就可以将拉链划开，一种防止拉链被划开的双层下防插拉链已成为提高拉链强度以及防盗的需要。
发明内容
本发明的目的是克服现有技术的不足，提供一种双层下防插拉链，用于提高拉链强度以及提高拉链的防盗性能。
本发明所采用的技术方案是：双层下防插拉链包括有链座、上链条、下链条以及钢卷尺，链座与上链条、下链条以及钢卷尺连接；链座设有左上链槽、右上链槽、左下链槽以及右下链槽，上链条包括有左上链条、右上链条、链头封口件以及链尾封口件，下链条包括有左下链条以及右下链条；左上链条、右上链条、左下链条以及右下链条与链头封口件以及链尾封口件连接；左上链条与左上链槽连接，右上链条与右上链槽连接，左下链条与左下链槽连接，右下链条与右下链槽连接；钢卷尺包括有外壳以及钢卷带，钢卷带的头端与上链条的链头封口件连接，钢卷带与左下链条以及与右下链条动配合连接，钢卷带位于链座的下方；左上链条设有左上链扣、左上防插片以及左上链布，左上链扣与左上防插片由一体的材料构成，左上链扣与左上链布连接；右上链条设有右上链扣、右上防插片以及右上链布，右上链扣与右上防插片由一体的材料构成，右上链扣与右上链布连接；左上防插片位于每个左上链扣之间的位置，右上防插片位于每个右上链扣之间的位置，利用左上防插片以及右上防插片封住左上链扣以及右上链扣之间的间隙；左下链条设有左下链扣、左下防插片以及左下链布，左下链扣与左下防插片由一体的材料构成，左下链扣与左下链布连接；右下链条设有右下链扣、右下防插片以及右下链布，右下链扣与右下防插片由一体的材料构成，右下链扣与右下链布连接；左下防插片位于每个左下链扣之间的位置，右下防插片位于每个右下链扣之间的位置，利用左下防插 片以及右下防插片封住左下链扣以及右下链扣之间的间隙；增加不法分子插开上链条的难度；当不法分子用利器插入上链条以及下链条时，利器被钢卷带挡住，使不法分子难以插开上链条以及下链条。
双层下防插拉链的使用方法是：使用时，将左上链布、左下链布、右上链布以及右下链布与行李箱的箱口连接，并使钢卷尺上的拉手位于行李箱外；封闭行李箱时，手抓拉手牵引钢卷尺以及链座移动，链座跟随拉手移动，使左上链条与右上链条咬合扣接在一起，以及使左下链条与右下链条咬合扣接在一起，将行李箱的箱口封闭；同时，钢卷尺跟随链座移动，钢卷带随着钢卷尺移动被拉出，拉出的钢卷带被左下链条的左下链扣以及右下链条的右下链扣扣在链座的下面，将右下链条与右下链扣的闭合口下方封住；左上链条与右上链条闭合时，左上防插片移动到位于一个左上链扣与另一个左上链扣之间的位置，以及右上防插片移动到位于一个右上链扣与另一个右上链扣之间位置，利用左上防插片挡住一个左上链扣与另一个左上链扣之间的间隙，利用右上防插片挡住一个右上链扣与另一个右上链扣之间的间隙；以及左下防插片移动到位于一个左下链扣与另一个左下链扣之间的位置，右下防插片移动到位于一个右下链扣与另一个右下链扣之间位置，利用左下防插片挡住一个左下链扣与另一个左下链扣之间的间隙，利用右下防插片挡住一个右下链扣与另一个右下链扣之间的间隙；增加不法分子利用利器插开拉链的难度；打开行李箱的箱口时，用手通过拉手牵引链座反方向移动，链座跟随拉手移动，使闭合的左上链条与右上链条分开，以及使左下链条与右下链条分开；同时，钢卷带跟随链座反方向移动，钢卷带在钢卷尺扭簧的弹力作用下收回钢卷尺内。
本发明的有益效果是：使用时，将双层下防插拉链设置于行李箱上，双层下防插拉链设有两层链条以及钢卷尺，上链条设有左上防插片、右上防插片、左下防插片以及右下防插片，利用左上防插片以及右上防插片封住左上链扣以及右上链扣之间的间隙，利用左下防插片以及右下防插片封住左下链扣以及右下链扣之间的间隙，利用钢卷尺的钢卷带封住两层链条，当不法分子利用利器插入链条时，利器被钢卷带挡住，增加不法分子用利器插开拉链的难度。
附图说明
图1是双层下防插拉链的结构示意图；
图2是图1的左视图；
图3是左上防插片以及右上防插片的局部示意图；
图4是左下防插片以及右下防插片的局部示意图。
具体实施方式
下面结合附图对本发明进行进一步的说明：
图1所示的双层下防插拉链的结构示意图、图2所示图1的左视图、图3所示左上防插片以及右上防插片的局部示意图以及图4所示左下防插片以及右下防插片的局部示意图；双层下防插拉链，包括有链座1、上链条2、下链条3以及钢卷尺4，链座1与上链条2、下链条3以及钢卷尺4连接；链座1设有左上链槽5、右上链槽6、左下链槽7以及右下链槽8，上链条2包括有左上链条9、右上链条10、链头封口件11以及链尾封口件12，下链条3包括有左下链条13以及右下链条14；左上链条9、右上链条10、左下链条13以及右下链条14与链头封口件11以及链尾封口件12连接；左上链条9与左上链槽5连接，右上链条10与右上链槽6连接，左下链条13与左下链槽7连接，右下链条14与右下链槽8连接；钢卷尺4包括有外壳15以及钢卷带16，钢卷带16的头端17与上链条2的链头封口件11连接，钢卷带16与左下链条13以及与右下链条14动配合连接，钢卷带16位于链座1的下方；左上链条9设有左上链扣18、左上防插片19以及左上链布20，左上链扣18与左上防插片19由一体的材料构成，左上链扣18与左上链布20连接；右上链条10设有右上链扣21、右上防插片22以及右上链布23，右上链扣21与右上防插片22由一体的材料构成，右上链扣21与右上链布23连接；左上防插片19位于每个左上链扣18之间的位置，右上防插片22位于每个右上链扣21之间的位置，利用左上防插片19以及右上防插片22封住左上链扣18以及右上链扣21之间的间隙；左下链条13设有左下链扣24、左下防插片25以及左下链布26，左下链扣24与左下防插片25由一体的材料构成，左下链扣24与左下链布26连接；右下链条14设有右下链扣27、右下防插片28以及右下链布29，右下链扣27与右下防插片28由一体的材料构成，右下链扣27与右下链布29连接；左下防插片25位于每个左下链扣24之间的位置，右下防插片28位于每个右下链扣27之间的位置，利用左下防插片25以及右下防插片28封住左下链扣24以及右下链扣27之间的间隙；增加不法分 子插开上链条2的难度；当不法分子用利器插入上链条2以及下链条3时，利器被钢卷带16挡住，使不法分子难以插开上链条2以及下链条3。
为了实施利用钢卷带16封住上链条2以及下链条3，左下链扣24设有左弯钩30，右下链扣27设有右弯钩31；左上链布20与左下链布26连接，右上链布23与右下链布29；钢卷带16与左下链扣24以及右下链扣27动配合连接，钢卷带16位于左弯钩26与右弯钩29之间，左弯钩30以及右弯钩31位于左上链槽5以及右上链槽6的下方，利用左弯钩30以及右弯钩31钩住钢卷带16；链座1包括有上链板32、上合链柱33、中链板34、下合链柱35以及下链板36，上链板32与上合链柱33连接，上合链柱33与中链板34连接，中链板34与下合链柱35连接，下合链柱35与下链板36连接；或者，上链板32、上合链柱33、中链板34、下合链柱35以及下链板36由一体的材料构成；下链板36设有导轮46，导轮46与下链板36铰接，钢卷带16经过导轮36与链头封口件11连接；钢卷尺4的外壳15与上链板32连接；左上链槽5由上链板32以及中链板34与上合链柱33的左边构成，左上链槽5位于上合链柱33的左边；右上链槽6由上链板32以及中链板34与上合链柱33的右边构成，右链槽6位于上合链柱33的右边；左下链槽7由中链板34以及下链板36与下合链柱35的左边构成，左下链槽7位于下合链柱35的左边；右下链槽8由中链板34以及下链板36与下合链柱35的右左边构成，右下链槽8位于下合链柱35的右边。
为了使链座1能于上链条2、下链条3上移动，以及避免钢卷带16脱离左弯钩30以及右弯钩31；左弯钩30与右弯钩31之间的距离大于钢卷带16的宽度，使钢卷带16能于左弯钩30与右弯钩31之间移动；左弯钩30与右弯钩31之间的距离大于下链板36的宽度，使下链板36能于左弯钩30与右弯钩31之间移动；左弯钩30的左钩尾37到右弯钩31的右钩尾38的距离小于钢卷带16的宽度；钢卷带16位于下链板36与左钩尾37以及右钩尾38之间；使钢卷带16不能脱离左弯钩30以及右弯钩31。
为了利用左上防插片19、右上防插片22、左下防插片25以及右下防插片28挡住上链条2以及下链条3的间隙，以及实施左上链扣18与右上链扣21的动配合连接，以及实施左下链扣24以及右下链扣27的动配合连接，一个左上链扣18与另一个左上链扣18之间的左上间隙39比左上 防插片19的宽度大0.2毫米至0.5毫米；一个右上链扣21与另一个右上链扣21之间的右上间隙40比右上防插片22的宽度大0.2毫米至0.5毫米；一个左下链扣24与另一个左下链扣24之间的左下间隙41比左下防插片25的宽度大0.2毫米至0.5毫米；一个右下链扣27与另一个右下链扣27之间的右下间隙42比右下防插片28的宽度大0.2毫米至0.5毫米；左上链扣18的宽度与右上链扣21的宽度相等，左上防插片19的宽度与右上防插片22的宽度相等；左下链扣24的宽度与右下链扣27的宽度相等，左下防插片25的宽度与右下防插片28的宽度相等；左上链扣18的宽度与左上防插片19的宽度相等，右上链扣21的宽度与右上防插片22的宽度相等；左下链扣24的宽度与左下防插片25的宽度相等，右下链扣27的宽度与右下防插片28；左上链扣18的宽度与左下链扣24的宽度相等，右上链扣21的宽度与右下链扣27的宽度相等。
为了利用锁具将链座1锁住，钢卷尺4设有动锁孔43，链尾封口件12设有定锁孔44，以方便利用锁具将链座1与链尾封口件12锁在一起。
双层下防插拉链的使用方法是：使用时，将左上链布20、左下链布26、右上链布23以及右下链布29与行李箱的箱口连接，并使钢卷尺4上的拉手45位于行李箱外；封闭行李箱时，手抓拉手45牵引钢卷尺4以及链座1移动，链座1跟随拉手45移动，使左上链条9与右上链条10咬合扣接在一起，以及使左下链条13与右下链条14咬合扣接在一起，将行李箱的箱口封闭；同时，钢卷尺4跟随链座1移动，钢卷带16随着钢卷尺4移动被拉出，拉出的钢卷带16被左下链条13的左下链扣24以及右下链条14的右下链扣27扣在链座1的下面，将右下链条14与右下链扣27的闭合口下方封住；左上链条9与右上链条10闭合时，左上防插片19移动到位于一个左上链扣18与另一个左上链扣18之间的位置，以及右上防插片22移动到位于一个右上链扣21与另一个右上链扣21之间位置，利用左上防插片19挡住一个左上链扣18与另一个左上链扣18之间的间隙，利用右上防插片22挡住一个右上链扣21与另一个右上链扣21之间的间隙；以及左下防插片25移动到位于一个左下链扣24与另一个左下链扣24之间的位置，右下防插片28移动到位于一个右下链扣27与另一个右下链扣27之间位置，利用左下防插片25挡住一个左下链扣24与另一个左下链扣24之间的间隙，利用右下防插片28挡住一个右下链扣27与另一个 右下链扣27之间的间隙；增加不法分子利用利器插开拉链的难度；打开行李箱的箱口时，用手通过拉手45牵引链座1反方向移动，链座1跟随拉手45移动，使闭合的左上链条9与右上链条10分开，以及使左下链条13与右下链条14分开；同时，钢卷带16跟随链座1反方向移动，钢卷带16在钢卷尺4扭簧的弹力作用下收回钢卷尺4内。
防插拉链封闭行李箱时，手抓拉手45牵引外壳15以及链座1移动，左上链扣18以及左上防插片19由左上链槽5导入，右上链扣21以及右上防插片22由右上链槽6导入，左下链扣24以及左下防插片25由左下链槽7导入，右下链扣27以及右下防插片28由右下链槽8导入，利用链座1的左上链槽5、右上链槽6使左上链扣18与右上链扣21咬合连接，利用左下链槽7以及右下链槽8使左下链扣24与右下链扣27咬合连接；同时，左上防插片19跟随左上链扣18移动到一个左上链扣18与另一个左上链扣18之间的左上间隙39的位置；右上防插片22跟随右上链扣21移动到一个右上链扣21与另一个右上链扣21之间的右上间隙40的位置；左下防插片25跟随左下链扣24移动到一个左下链扣24与另一个左下链扣24之间的左下间隙41的位置；右下防插片28跟随右下链扣27移动到一个右下链扣27与另一个右下链扣27之间的右下间隙42的位置；同时，钢卷尺4跟随链座1移动，钢卷带16随着钢卷尺4移动被拉出，拉出的钢卷带16被左弯钩30的左钩尾37以及右弯钩31的右钩尾38扣在左弯钩30以及右弯钩31内。
左下链扣24与右下链扣27咬合扣接在一起时，左弯钩30的左钩尾37与右弯钩31的右钩尾38距离小于钢卷带16的宽度，使钢卷带16被扣在左弯钩30与右弯钩31内，以避免钢卷带16脱离左弯钩30以及右弯钩31；左下链条13与右下链条14咬合扣接在一起时，钢卷尺4跟随链座1移动，下链板36跟随拉手45于左弯钩30与右弯钩31之间移动，钢卷带16被牵引出的长度与左下链条13与右下链条14闭合的长度成正比或者相等；左下链条13与右下链条14分开时，钢卷尺4跟随链座1反方向移动，下链板36跟随拉手45于左弯钩30与右弯钩31之间移动，钢卷带16回收到钢卷尺4内的长度与左下链条13与右下链条14分开的长度成正比或者相等。
左下链条13与右下链条14闭合时钢卷尺4被拉出的钢卷带16长度 大于左下链条13与右下链条14分开时钢卷尺4被拉出的钢卷带16长度；上链条2以及下链条3闭合时，链座1向链尾封口件12方向移动移动，上链条2以及下链条3随着链座1的移动而不断闭合；上链条2以及下链条3分开时，链座1向链头封口件11方向移动移动，上链条2以及下链条3随着链座1的移动而不断分开；每个左上防插片19与相邻的左上链扣18动配合连接，每个右上防插片22与相邻的右上链扣21动配合连接；每个左下防插片25与相邻的左下链扣24动配合连接，每个右下防插片28与相邻的右下链扣27动配合连接。
钢卷带16由钢卷尺4被牵引出来时，钢卷带16压住导轮46，钢卷带16驱动导轮46转动，减少钢卷带16与导轮46的摩擦力；钢卷带16被钢卷尺4收回时，钢卷带16压住导轮46，钢卷带16驱动导轮46转动，减少钢卷带16与导轮43的摩擦力。

Claims (5)

  1. 双层下防插拉链，其特征在于：所述的双层下防插拉链包括有链座(1)、上链条(2)、下链条(3)以及钢卷尺(4)，链座(1)与上链条(2)、下链条(3)以及钢卷尺(4)连接；链座(1)设有左上链槽(5)、右上链槽(6)、左下链槽(7)以及右下链槽(8)，上链条(2)包括有左上链条(9)、右上链条(10)、链头封口件(11)以及链尾封口件(12)，下链条(3)包括有左下链条(13)以及右下链条(14)；左上链条(9)、右上链条(10)、左下链条(13)以及右下链条(14)与链头封口件(11)以及链尾封口件(12)连接；左上链条(9)与左上链槽(5)连接，右上链条(10)与右上链槽(6)连接，左下链条(13)与左下链槽(7)连接，右下链条(14)与右下链槽(8)连接；钢卷尺(4)包括有外壳(15)以及钢卷带(16)，钢卷带(16)的头端(17)与上链条(2)的链头封口件(11)连接，钢卷带(16)与左下链条(13)以及与右下链条(14)动配合连接，钢卷带(16)位于链座(1)的下方；左上链条(9)设有左上链扣(18)、左上防插片(19)以及左上链布(20)，左上链扣(18)与左上防插片(19)由一体的材料构成，左上链扣(18)与左上链布(20)连接；右上链条(10)设有右上链扣(21)、右上防插片(22)以及右上链布(23)，右上链扣(21)与右上防插片(22)由一体的材料构成，右上链扣(21)与右上链布(23)连接；左上防插片(19)位于每个左上链扣(18)之间的位置，右上防插片(22)位于每个右上链扣(21)之间的位置，利用左上防插片(19)以及右上防插片(22)封住左上链扣(18)以及右上链扣(21)之间的间隙；左下链条(13)设有左下链扣(24)、左下防插片(25)以及左下链布(26)，左下链扣(24)与左下防插片(25)由一体的材料构成，左下链扣(24)与左下链布(26)连接；右下链条(14)设有右下链扣(27)、右下防插片(28)以及右下链布(29)，右下链扣(27)与右下防插片(28)由一体的材料构成，右下链扣(27)与右下链布(29)连接；左下防插片(25)位于每个左下链扣(24)之间的位置，右下防插片(28)位于每个右下链扣(27)之间的位置，利用左下防插片(25)以及右下防插片(28)封住左下链扣(24)以及右下链扣(27)之间的间隙；增加不法分子插开上链条(2)的难度；当不法分子用利器插入上链条(2)以及下链条(3)时，利器被钢卷带(16)挡住，使不法分子难以插开上链条(2)以及下链条(3)；左下链扣(24)设有左弯钩(30)，右下链扣(27)设有右弯钩(31)； 左上链布(20)与左下链布(26)连接，右上链布(23)与右下链布(29)；钢卷带(16)与左下链扣(24)以及右下链扣(27)动配合连接，钢卷带(16)位于左弯钩(26)与右弯钩(29)之间，左弯钩(30)以及右弯钩(31)位于左上链槽(5)以及右上链槽(6)的下方，利用左弯钩(30)以及右弯钩(31)钩住钢卷带(16)；左弯钩(30)与右弯钩(31)之间的距离大于钢卷带(16)的宽度，使钢卷带(16)能于左弯钩(30)与右弯钩(31)之间移动；左弯钩(30)与右弯钩(31)之间的距离大于下链板(36)的宽度，使下链板(36)能于左弯钩(30)与右弯钩(31)之间移动；左弯钩(30)的左钩尾(37)到右弯钩(31)的右钩尾(38)的距离小于钢卷带(16)的宽度；钢卷带(16)位于下链板(36)与左钩尾(37)以及右钩尾(38)之间；使钢卷带(16)不能脱离左弯钩(30)以及右弯钩(31)。
  2. 根据权利要求1所述的双层下防插拉链，其特征在于：所述的链座(1)包括有上链板(32)、上合链柱(33)、中链板(34)、下合链柱(35)以及下链板(36)，上链板(32)与上合链柱(33)连接，上合链柱(33)与中链板(34)连接，中链板(34)与下合链柱(35)连接，下合链柱(35)与下链板(36)连接；或者，上链板(32)、上合链柱(33)、中链板(34)、下合链柱(35)以及下链板(36)由一体的材料构成；下链板(36)设有导轮(46)，导轮(46)与下链板(36)铰接，钢卷带(16)经过导轮(36)与链头封口件(11)连接；钢卷尺(4)的外壳(15)与上链板(32)连接。
  3. 根据权利要求2所述的双层下防插拉链，其特征在于：所述的左上链槽(5)由上链板(32)以及中链板(34)与上合链柱(33)的左边构成，左上链槽(5)位于上合链柱(33)的左边；右上链槽(6)由上链板(32)以及中链板(34)与上合链柱(33)的右边构成，右链槽(6)位于上合链柱(33)的右边；左下链槽(7)由中链板(34)以及下链板(36)与下合链柱(35)的左边构成，左下链槽(7)位于下合链柱(35)的左边；右下链槽(8)由中链板(34)以及下链板(36)与下合链柱(35)的右左边构成，右下链槽(8)位于下合链柱(35)的右边。
  4. 根据权利要求1所述的双层下防插拉链，其特征在于：所述的一个左上链扣(18)与另一个左上链扣(18)之间的左上间隙(39)比左上防插片(19)的宽度大；一个右上链扣(21)与另一个右上链扣(21)之间 的右上间隙(40)比右上防插片(22)的宽度大；一个左下链扣(24)与另一个左下链扣(24)之间的左下间隙(41)比左下防插片(25)的宽度大；一个右下链扣(27)与另一个右下链扣(27)之间的右下间隙(42)比右下防插片(28)的宽度大；左上链扣(18)的宽度与右上链扣(21)的宽度相等，左上防插片(19)的宽度与右上防插片(22)的宽度相等；左下链扣(24)的宽度与右下链扣(27)的宽度相等，左下防插片(25)的宽度与右下防插片(28)的宽度相等。
  5. 根据权利要求1所述的双层下防插拉链，其特征在于：所述的左上链扣(18)的宽度与左上防插片(19)的宽度相等，右上链扣(21)的宽度与右上防插片(22)的宽度相等；左下链扣(24)的宽度与左下防插片(25)的宽度相等，右下链扣(27)的宽度与右下防插片(28)；左上链扣(18)的宽度与左下链扣(24)的宽度相等，右上链扣(21)的宽度与右下链扣(27)的宽度相等；钢卷尺(4)设有动锁孔(43)，链尾封口件(12)设有定锁孔(44)，以方便利用锁具将链座(1)与链尾封口件(12)锁在一起。
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