WO2017157234A1 - 双卷双层防插拉链 - Google Patents

双卷双层防插拉链 Download PDF

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Publication number
WO2017157234A1
WO2017157234A1 PCT/CN2017/076145 CN2017076145W WO2017157234A1 WO 2017157234 A1 WO2017157234 A1 WO 2017157234A1 CN 2017076145 W CN2017076145 W CN 2017076145W WO 2017157234 A1 WO2017157234 A1 WO 2017157234A1
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WIPO (PCT)
Prior art keywords
chain
hook
steel
steel coil
plate
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PCT/CN2017/076145
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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 WO2017157234A1 publication Critical patent/WO2017157234A1/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
    • 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-volume double-layer 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 the use process, and the zipper can be opened, and a double-roll double-layer protection against the zipper is prevented.
  • the zipper has become a need to increase the strength of the zipper and theft.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a double-roll double-layer anti-insertion zipper for improving the zipper strength and improving the anti-theft performance of the zipper.
  • the double-roll double-layer anti-insertion zipper comprises a chain seat, an upper chain, a lower chain and a steel tape measure
  • the steel tape measure comprises an upper steel tape measure and a lower steel tape measure, the chain seat and the upper chain and the lower chain.
  • the chain seat has a left upper chain groove, an upper right chain groove, a left lower chain groove and a lower right chain groove
  • 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 The utility model comprises a lower left chain and a lower right chain, the upper left chain, the upper right chain, the lower left chain and the lower right chain are connected with the chain sealing member and the chain tail sealing member;
  • the upper left chain is connected with the upper left chain slot
  • the upper right chain is connected with the upper right chain slot
  • the lower left chain is connected to the lower left chain slot.
  • the upper left chain has an upper left chain buckle and a left upper chain cloth, the upper left chain buckle is connected with the left upper chain cloth, and the upper left chain buckle is provided with a left anti-insert piece and a left upper chain hook.
  • the upper left buckle, the left anti-insert tab and the upper left chain hook are made of one piece of material;
  • the upper right chain has an upper right chain buckle and an upper right chain cloth, the upper right chain buckle is connected with the upper right chain cloth, and the upper right chain buckle is provided.
  • Right anti-insert and right upper chain hook, right upper cuff, right anti-insert and right upper chain hook are made of one piece of material; left lower chain has left lower cuff and left lower chain cloth, left lower cuff is connected with left lower chain, left lower chain
  • the buckle has a left lower chain hook, the lower left chain buckle and the left lower chain hook are made of one piece of material; the lower right chain has a lower right chain buckle and a lower right chain cloth, the lower right chain buckle is connected with the right lower chain cloth, and the lower right chain buckle
  • the right lower chain hook is provided, and the lower right chain buckle and the lower right chain hook are composed of an integral material;
  • the upper steel tape measure is provided with an upper steel coil, and the upper end of the upper steel coil is connected with the chain head sealing member of the upper chain,
  • the steel reel is connected with the upper left chain hook and the upper upper chain hook, and the upper steel reel is located above the chain seat; the lower steel tape measure is provided with the lower steel reel, the lower end of
  • the double-volume double-layer anti-sliding 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 in the trunk.
  • the hand gripper pulls the steel tape measure and the chain seat moves, and the chain seat follows the handle movement, so that the upper left chain and the upper right chain are snapped together, and the left lower chain and the lower right chain are snapped together.
  • the box mouth of the suitcase is closed; the upper steel tape measure moves along the chain seat, and the upper steel coil is pulled out with the movement of the upper steel tape measure, and the upper steel coil is pulled by the upper left chain hook and the upper upper chain hook in the chain seat.
  • the upper left chain and the upper right chain are closed; at the same time, the lower steel tape is moved following the chain seat, and the lower steel tape is pulled out with the lower steel tape moving, and the pulled lower steel tape is pulled by the left lower chain hook.
  • the lower right chain hook is fastened under the chain seat, and the left lower chain and the lower right chain are closed; when the upper left chain and the upper right chain are closed, the left anti-insert is moved to be located in one upper left cuff and the other upper left cuff.
  • the anti-insert is moved to a position between one upper right cuff and the other upper right cuff, and the left anti-insert is used to block the gap between one upper left cuff and the other upper left cuff, and the right anti-insert is used to block an upper right chain.
  • the gap between the buckle and the other right upper clasp increases the difficulty for the criminals to use the sharpener to open the zipper; when opening the trunk of the trunk, the handle is moved in the opposite direction by the handle by hand, and the chain base follows the handle to make the closure
  • the upper left chain is separated from the upper right chain, and the left lower chain and the lower right chain are closed; at the same time, the upper steel coil moves in the opposite direction of the chain seat, and the upper steel coil retracts the upper steel under the elastic force of the upper steel coil torsion spring.
  • the utility model has the beneficial effects that: when used, the double-roll double-layer anti-insert zipper is arranged on the luggage box, and the double-roll double-layer anti-plug zipper is provided with an upper chain, a lower chain, an upper steel tape measure and a lower steel tape measure, and the upper chain is provided.
  • There is a left anti-insert and a right anti-insert and the left anti-insert and the right anti-insert are used to seal the gap between the left and right clasps, and the upper steel strip and the lower steel reel are used to seal the upper chain and
  • the lower chain when the criminals use the sharp weapon to insert the upper chain and the lower chain, it increases the difficulty of inserting the zipper with the sharp weapon.
  • 1 is a schematic structural view of a double-volume double-layer anti-insertion zipper
  • Figure 2 is a partial schematic view of the right anti-insert tab and the right anti-insert tab;
  • Figure 3 is a right side view of Figure 1;
  • Figure 4 is a plan view of Figure 3.
  • FIG. 1 is a schematic structural view of the double-volume double-layer anti-insertion zipper shown in FIG. 1, a partial schematic view of the left anti-insert tab and the right anti-insert tab shown in FIG. 2, a right side view of FIG. 1 shown in FIG. 3, and FIG.
  • double-roll double-layer anti-plug zipper including chain seat 1, upper chain 2, lower chain 3 and steel tape measure 4, steel tape measure 4 including upper steel tape measure 5 and lower steel tape measure 6, chain base 1 and upper chain 2
  • the lower chain 3 and the outer casing 7 of the steel tape measure 4 are connected;
  • the chain base 1 is provided with a left upper chain groove 8, an upper right chain groove 9, a left lower chain groove 10 and a lower right chain groove 11, and
  • the upper chain 2 includes an upper left chain 12 and an upper right chain.
  • a chain closure member 14 and a chain closure member 15 the lower chain 3 comprising a lower left chain 16 and a lower right chain 17, an upper left chain 12, an upper right chain 13, a lower left chain 16, and a lower right chain 17 and a chain closure member 14.
  • the chain tail sealing member 15 is connected;
  • the upper left chain 12 is connected to the upper left chain groove 8
  • the upper right chain 13 is connected to the upper right chain groove 9, the lower left chain 16 and the lower lower chain groove 10, the lower right chain 17 and the lower right chain groove 11;
  • the upper left chain 12 is provided with a left upper buckle 18 and a left upper chain 19, and the upper left buckle 18 is connected with the left upper chain 19, and the upper left buckle 1 8 is provided with a left anti-insert piece 20 and a left upper chain hook 21, the left upper cuff 18, the left anti-insert 20 and the left upper chain 21 are made of an integral material;
  • the upper right chain 13 is provided with an upper right cuff 22 and an upper right chain 23,
  • the upper right clasp 22 is connected to the right upper chain cloth 23, and the upper right clasp 22 is provided with a right anti-insert tab 24 and an upper right chain hook 25.
  • the upper right clasp 22, the right anti-insert tab 24 and the upper right chain hook 25 are made of an integral material;
  • the chain 16 is provided with a lower left buckle 26 and a left lower chain cloth 27, the left lower buckle 26 is connected to the left lower chain cloth 27, and the lower lower buckle 26 is provided with a left lower chain hook 28, and the left lower buckle 26 and the left lower chain hook 28 are formed of an integral material.
  • the lower right chain 17 is provided with a lower right cuff 29 and a lower right chain 30, the lower right cuff 29 is connected to the right lower chain 30, and the lower lower cuff 29 is provided with a lower right chain 31 and a lower right cuff 29
  • the lower right chain hook 31 is composed of an integral material
  • the upper steel tape measure 5 is provided with an upper steel coil 32, and the upper end 33 of the upper steel coil 32 is connected with the chain head sealing member 14 of the upper chain 2, and the upper steel coil 32
  • the upper steel reel 21 is located above the chain base 1 and the lower steel tape reel 6 is provided with a lower steel reel 34, under the upper upper chain hook 21 and the upper right chain hook 22
  • the lower end 35 of the steel reel 34 is coupled to the chain closure member 14 of the upper chain 2, and the lower steel reel 34 is movably coupled to the lower lower chain hook 28 and the lower right chain hook 31, and the lower steel coil 34 is located at the chain base.
  • the left anti-insert 20 is located between each of the upper left cuffs 18, and the right anti-insert 24 is located between each of the upper right cuffs 22, with the left anti-insert 20 and the right anti-insert 24 Sealing the gap between the upper left buckle 18 and the upper right buckle 22 increases the difficulty of inserting the illegal chain into the upper chain 2; when the illegal element is inserted into the upper chain 2 and the lower chain 3 by the sharp weapon, the sharpener is taken up by the upper steel coil 32 and the lower The steel coil 34 is blocked, making it difficult for the criminals to insert the upper chain 2 and the lower chain 3.
  • the chain base 1 includes an upper chain plate 36, an upper chain column 37, a middle chain plate 38, a lower chain column 39 and a lower chain plate 40.
  • the upper chain plate 36 is connected with the upper chain column 37, and the upper chain column is connected.
  • the upper chain plate 36 is connected to the middle chain plate 38, the middle chain plate 38 is connected to the lower chain column 39, and the lower chain column 39 is connected to the lower chain plate 40; or, the upper chain plate 36, the upper chain column 37, the middle chain plate 38, The lower chain link 39 and the lower link plate 40 are composed of an integral material; the upper steel coil 32 is located between the upper left chain hook 21 and the upper right chain hook 25, and the lower steel coil belt 34 is located at the lower left chain hook 28 and the lower right chain hook 31.
  • the upper chain plate 36 is provided with an upper guide wheel 41.
  • the upper steel coil 32 is connected to the chain sealing member 14 via the upper guide wheel 41, the outer casing 7 is connected to the upper chain plate 36, and the lower chain plate 40 is provided with a lower guide wheel.
  • the lower steel coil 34 is connected to the chain sealing member 14 via the lower guide wheel 42, and the outer casing 7 is provided with a handle 43.
  • the distance between the upper left chain hook 21 and the upper right chain hook 25 is greater than that of the upper steel coil.
  • the width of the belt 32 allows the upper steel reel 32 to move between the upper left chain hook 21 and the upper right chain hook 25; the distance between the lower lower chain hook 28 and the lower right chain hook 31 is greater than the width of the lower steel reel 34,
  • the lower steel coil 34 can move between the lower lower chain hook 28 and the lower right chain hook 31; the distance between the upper left chain hook 21 and the right upper chain hook 25 is greater than the width of the upper chain plate 36, so that the upper chain plate 36 can be on the upper left side.
  • the chain hook 21 moves between the chain hook 21 and the right upper chain hook 25; the distance between the left lower chain hook 28 and the right lower chain hook 31 is greater than the width of the lower link plate 40, so that the lower link plate 40 can be hooked to the lower left chain hook 28 and the lower right chain hook
  • the movement between 31; the upper left hook 44 of the upper upper chain hook 21 to the upper right hook 45 of the upper right chain hook 25 is smaller than the width of the upper steel coil 32, so as to prevent the upper steel coil 32 from coming off the upper left chain hook 21 and the upper right chain hook 25; the distance from the lower left hook tail 46 of the lower lower chain hook 28 to the lower right hook tail 47 of the right lower chain hook 31 is smaller than the width of the lower steel coil 34, so as to prevent the lower steel coil 34 from leaving the left
  • the chain hook 28 and the lower right chain hook 31; the upper steel coil 32 is located between the upper left hook tail 44 and the upper right hook tail 45 and the upper chain plate 36, and the upper left hook tail 44 and the upper right hook tail 45 are located above the
  • the left gap 48 between one upper left clasp 18 and the other upper left clasp 18 is 0.2 mm to 0.5 mm larger than the width of the left anti-insert 20;
  • the right gap 49 between the upper right cuff 22 and the other upper right cuff 22 is 0.2 mm to 0.5 mm larger than the width of the right anti-insert tab 24;
  • the width of the upper left cuff 18 is equal to the width of the upper right cuff 22;
  • the width of the sheet 20 is equal to the width of the right anti-insert tab 24;
  • the width of the upper left clasp 18 is equal to the width of the left anti-insert tab 20, and the width of the upper right clasp 22 is equal to the width of the right anti-insert tab 24.
  • the chain base 1 is provided with a dynamic locking hole 50, and the chain end sealing member 15 is provided with a locking hole 51 for facilitating the locking of the chain base 1 and the chain tail sealing member 15 by means of a lock.
  • the double-roll double-layer anti-insertion zipper is used by connecting the left upper chain cloth 19, the lower left chain cloth 27, the upper right chain cloth 23 and the lower right chain cloth 30 to the trunk of the luggage box, and the steel tape measure 4 is used.
  • the handle 43 is located outside the luggage; when the luggage is closed, the hand grip 43 pulls the steel tape measure 4 and the chain base 1 to move, and the chain base 1 follows the handle 43 to move, and the upper left chain 12 and the upper right chain 13 are snap-fitted together, and The left lower chain 16 and the lower right chain 17 are snap-fitted together to close the trunk of the luggage; the upper steel tape measure 5 moves along with the chain base 1, and the upper steel coil 32 is pulled out along with the upper steel tape measure 5, pulling The upper steel reel 32 is fastened to the upper side of the chain base 1 by the upper left chain hook 21 and the upper right chain hook 25, and the upper left chain 12 and the closed upper mouth 13 are sealed; meanwhile, the lower steel tape measure 6 follows the chain base 1 The lower steel coil 34 is pulled out as the lower steel tape
  • the chain seat 1 When the box mouth of the trunk is opened, the chain seat 1 is pulled by the handle 43 in the opposite direction by hand, and the chain base 1 follows the handle 43 to separate the closed upper left chain 12 from the upper right chain 13, and the left lower chain 16 which is not closed. And the lower right chain 17; at the same time, the upper steel coil 32 moves in the opposite direction of the chain seat 1, and the upper steel coil 32 is retracted in the upper steel tape 5 under the elastic force of the upper steel tape 5 torsion spring; The steel reel 34 moves in the opposite direction of the chain base 1, and the lower steel reel 34 is retracted into the lower steel tape 6 under the elastic force of the lower steel tape 6 torsion spring.
  • the grip handle 43 pulls the chain base 1 and the outer casing 7 to move, the upper left clasp 18 and the left anti-insert tab 20 are introduced by the upper left chain slot 8, and the upper right clasp 22 and the right anti-insert tab 24 are from the upper right.
  • the chain groove 9 is introduced, and the upper left chain buckle 18 and the upper right chain groove 9 are moved by the chain housing 1 to move the upper left fastener 18 and the upper right fastener 22 into engagement. Meanwhile, the left protection insert 20 follows the upper left fastener 18 to move to a left upper chain.
  • the lower left clasp 26 is introduced by the lower left chain groove 10
  • the lower right cuff 29 is introduced by the lower right chain groove 11, and the left lower chain groove 10 is introduced and the lower right chain groove 11 is moved to engage the lower left cuff 26 with the lower right cuff 29
  • the upper steel tape measure 5 moves along with the chain base 1
  • the upper steel reel 32 is pulled out as the upper steel tape measure 5 moves, and the pulled upper steel reel 32 is buckled on the upper left chain hook 21 and the upper right chain hook 25
  • the lower steel coil 34 moves with the lower steel tape measure 6 Drawn, the drawn tape coil 34 detained between the lower left and lower right chain 28 the chain hook 31 and the hook 40 the lower link plates.
  • the chain base 1 follows the handle 43 in the direction of closing the upper chain 2, the upper left hook 44 and the right
  • the upper hook tail 45 moves with the upper left buckle 18 and the upper right buckle 22, and when the upper left buckle 18 and the upper right buckle 22 are snap-fitted together, the distance between the upper left hook 44 and the upper right hook 45 is smaller than the width of the upper steel coil 32.
  • the upper steel reel 32 is fastened within the upper left chain hook 21 and the upper right chain hook 25; and the lower left hook tail 46 and the lower right hook tail 47 are moved following the lower left buckle 26 and the lower right buckle 29, and the lower left buckle 26 is When the lower right clasp 29 is snap-fitted together, the distance between the lower left hook tail 46 and the lower right hook tail 47 is smaller than the width of the lower steel coil 34, so that the lower steel coil 34 is buckled on the lower lower chain hook 28 and the lower lower chain hook.
  • the upper steel tape measure 5 moves along with the chain base 1, and the upper link plate 36 follows the handle 43 to move between the upper left chain hook 21 and the upper right chain hook 25, and the upper steel coiled belt 32
  • the length to be drawn is proportional to or equal to the length at which the upper left chain 12 and the upper right chain 13 are closed; and the lower steel tape 6 moves following the chain base 1, and the lower lower chain 16 and the lower right chain 17 are snapped together, the lower link plate 40 follows the handle 43 to move between the lower lower chain hook 28 and the lower lower chain hook 31, and the length of the lower steel coil 34 is pulled out to be proportional to or equal to the length at which the lower left chain 16 and the lower right chain 17 are closed.
  • the upper steel tape measure 5 moves following the chain base 1, and the upper link plate 36 follows the handle 43 to move between the upper left chain hook 21 and the upper right chain hook 25, and the upper steel coil 32 is
  • the length of the retracted upper steel tape measure 5 is proportional to or equal to the length separating the upper left chain 12 from the upper right chain 13; and the lower steel tape measure 6 follows the chain base 1, and the lower link plate 40 follows the handle 43 to the lower left chain hook 28 and the lower right chain.
  • the lower steel coil 34 is retracted and the length of the lower steel tape 6 is proportional to or equal to the length separating the lower left chain 16 from the lower right chain 17.
  • the upper guide wheel 41 is hinged to the upper link plate 36, and the lower guide wheel 42 is hinged to the lower link plate 40; the upper left buckle 18 and the upper right buckle 22 are closed.
  • the upper steel reel 32 is movably coupled to the upper guide wheel 41; when the lower left cuff 26 and the lower right cuff 29 are closed or separated, the lower reel 34 is movably coupled to the lower guide 42.

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

Abstract

双卷双层防插拉链，包括有链座（1）、上链条（2）、下链条（3）、上钢卷尺（4）以及下钢卷尺（5）。上链条（2）包括有左上链条（12）、右上链条（13）、链头封口件（14）以及链尾封口件（15）。左上链条（12）设有左上链扣（18）、左上链布（19）、左防插片（20）以及左上链钩（21）。下链条（3）包括有左下链条（16）以及右下链条（17）。右上链条（13）设有右上链扣（22）、右上链布（23）、右防插片（24）以及右上链钩（25）。左下链条（16）设有左下链扣（26）、左下链布（27）、左下链扣（26）以及左下链钩（28）。右下链条（17）设有右下链扣（29）、右下链布（30）以及右下链钩（31）。上钢卷尺（4）设有上钢卷带（32）。下钢卷尺（5）设有下钢卷带（34）。使用时，将双卷双层防插拉链设置于行李箱上，利用左防插片（20）以及右防插片（24）封住左链扣以及右链扣之间的间隙，利用上钢卷带（32）以及下钢卷带（34）封住上链条（2）以及下链条（3），增加不法分子用利器插开拉链的难度。

Description

双卷双层防插拉链 技术领域
本发明涉及一种安全拉链，特别是一种双卷双层防插拉链。
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卷双层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，提供一种双卷双层防插拉链，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：双卷双层防插拉链包括有链座、上链条、下链条以及钢卷尺，钢卷尺包括有上钢卷尺以及下钢卷尺，链座与上链条、下链条以及钢卷尺的外壳连接；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，右下链条与右下链槽；左上链条设有左上链扣以及左上链布，左上链扣与左上链布连接，左上链扣设有左防插片以及左上链钩，左上链扣、左防插片以及左上链钩由一体的材料构成；右上链条设有右上链扣以及右上链布，右上链扣与右上链布连接，右上链扣设有右防插片以及右上链钩，右上链扣、右防插片以及右上链钩由一体的材料构成；左下链条设有左下链扣以及左下链布，左下链扣与左下链布连接，左下链扣设有左下链钩，左下链扣以及左下链钩由一体的材料构成；右下链条设有右下链扣以及右下链布，右下链扣与右下链布连接，右下链扣设有右下链钩，右下链扣以及右下链钩由一体的材料构成；上钢卷尺设有上钢卷带，上钢卷带的上头端与上链条的链头封口件连接，上钢卷带与左上链钩以及与右上链钩动配合连接，上钢卷带位于链座的上方；下钢卷尺设有下钢卷带，下钢卷带的下头端与上链条的链头封口件连接，下钢卷带与左下链钩以及右下链钩动配合连接， 下钢卷带位于链座的下方；左防插片位于每个左上链扣之间的位置，右防插片位于每个右上链扣之间的位置，利用左防插片以及右防插片封住左上链扣以及右上链扣之间的间隙，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时下链条，利器被上钢卷带以及下钢卷带挡住，使不法分子难以插开上链条以及下链条。
双卷双层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，以及使左下链条以及右下链条咬合扣接在一起，将行李箱的箱口封闭；上钢卷尺跟随链座移动，上钢卷带随着上钢卷尺移动被拉出，拉出的上钢卷带被左上链钩与右上链钩扣在链座的上面，将左上链条与右上链条的闭合口封住；同时，下钢卷尺跟随链座移动，下钢卷带随着下钢卷尺移动被拉出，拉出的下钢卷带被左下链钩与右下链钩扣在链座的下面，将左下链条以及右下链条的闭合口封住；左上链条与右上链条闭合时，左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，利用右防插片挡住一个右上链扣与另一个右上链扣之间的间隙，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，以及使不闭合的左下链条与右下链条；同时，上钢卷带跟随链座反方向移动，上钢卷带在上钢卷尺扭簧的弹力作用下收回上钢卷尺内；以及下钢卷带跟随链座反方向移动，下钢卷带在下钢卷尺扭簧的弹力作用下收回下钢卷尺内。
本发明的有益效果是：使用时，将双卷双层防插拉链设置于行李箱上，双卷双层防插拉链设有上链条、下链条、上钢卷尺以及下钢卷尺，上链条设有左防插片以及右防插片，利用左防插片以及右防插片封住左链扣以及右链扣之间的间隙，利用上钢卷带以及下钢卷带封住上链条以及下链条，当不法分子利用利器插入上链条以及下链条时，增加不法分子用利器插开拉链的难度。
附图说明
图1是双卷双层防插拉链的结构示意图；
图2是右防插片以及右防插片的局部示意图；
图3是图1的右视图；
图4是图3的俯视图。
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所示的双卷双层防插拉链的结构示意图、图2所示左防插片以及右防插片的局部示意图、图3所示图1的右视图以及图4所示图3的俯视图；双卷双层防插拉链，包括有链座1、上链条2、下链条3以及钢卷尺4，钢卷尺4包括有上钢卷尺5以及下钢卷尺6，链座1与上链条2、下链条3以及钢卷尺4的外壳7连接；链座1设有左上链槽8、右上链槽9、左下链槽10以及右下链槽11，上链条2包括有左上链条12、右上链条13、链头封口件14以及链尾封口件15，下链条3包括有左下链条16以及右下链条17，左上链条12、右上链条13、左下链条16以及右下链条17与链头封口件14以及链尾封口件15连接；左上链条12与左上链槽8连接，右上链条13与右上链槽9连接，左下链条16与左下链槽10，右下链条17与右下链槽11；左上链条12设有左上链扣18以及左上链布19，左上链扣18与左上链布19连接，左上链扣18设有左防插片20以及左上链钩21，左上链扣18、左防插片20以及左上链钩21由一体的材料构成；右上链条13设有右上链扣22以及右上链布23，右上链扣22与右上链布23连接，右上链扣22设有右防插片24以及右上链钩25，右上链扣22、右防插片24以及右上链钩25由一体的材料构成；左下链条16设有左下链扣26以及左下链布27，左下链扣26与左下链布27连接，左下链扣26设有左下链钩28，左下链扣26以及左下链钩28由一体的材料构成；右下链条17设有右下链扣29以及右下链布30，右下链扣29与右下链布30连接，右下链扣29设有右下链钩31，右下链扣29以及右下链钩31由一体的材料构成；上钢卷尺5设有上钢卷带32，上钢卷带32的上头端33与上链条2的链头封口件14连接，上钢卷带32与左上链钩21以及与右上链钩22动配合连接，上钢卷带32位于链座1的上方；下钢卷尺6设有下钢卷带34，下钢卷带34的下头端35与上链条2的链头封口件14连接，下钢卷带34与左下链钩28以及右下链钩31动配合连接，下钢卷带34位于链座 1的下方；左防插片20位于每个左上链扣18之间的位置，右防插片24位于每个右上链扣22之间的位置，利用左防插片20以及右防插片24封住左上链扣18以及右上链扣22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以及时下链条3，利器被上钢卷带32以及下钢卷带34挡住，使不法分子难以插开上链条2以及下链条3。
为了实施利用上钢卷尺5的上钢卷带32以及下钢卷尺6的下钢卷带34封住上链条2以及下链条3的闭合口，以及保持下链条2以及下链条3的闭合以及分开功能，链座1包括有上链板36、上合链柱37、中链板38、下合链柱39以及下链板40，上链板36与上合链柱37连接，上合链柱37与中链板38连接，中链板38与下合链柱39连接，下合链柱39与下链板40连接；或者，上链板36、上合链柱37、中链板38、下合链柱39以及下链板40由一体的材料构成；上钢卷带32位于左上链钩21与右上链钩25之间，下钢卷带34位于左下链钩28与右下链钩31之间；上链板36设有上导轮41，上钢卷带32经过上导轮41与链头封口件14连接，外壳7与上链板36连接；下链板40设有下导轮42，下钢卷带34经过下导轮42与链头封口件14连接，外壳7设有拉手43。
为了使链座1能于链条2移动，以及避免上钢卷带32以及下钢卷带34脱离上链条2以及下链条3，左上链钩21与右上链钩25之间的距离大于上钢卷带32的宽度，使上钢卷带32能于左上链钩21与右上链钩25之间移动；左下链钩28与右下链钩31之间的距离大于下钢卷带34的宽度，使下钢卷带34能于左下链钩28与右下链钩31之间移动；左上链钩21与右上链钩25之间的距离大于上链板36的宽度，使上链板36能于左上链钩21与右上链钩25之间移动；左下链钩28与右下链钩31之间的距离大于下链板40的宽度，使下链板40能于左下链钩28与右下链钩31之间移动；左上链钩21的左上钩尾44到右上链钩25的右上钩尾45的距离小于上钢卷带32的宽度，以免上钢卷带32脱离左上链钩21以及右上链钩25；左下链钩28的左下钩尾46到右下链钩31的右下钩尾47的距离小于下钢卷带34的宽度，以免下钢卷带34脱离左下链钩28以及右下链钩31；上钢卷带32位于左上钩尾44以及右上钩尾45与上链板36之间，左上钩尾44以及右上钩尾45位于上钢卷带32的上面，上链板36位于上钢卷带32的下面；下钢卷带34位于左下钩尾46以及右下钩尾47与下链板40之间， 下钢卷带34位于左下钩尾46以及右下钩尾47上面，下链板40位于下钢卷带34上面。
为了实施左上链扣18与右上链扣22的动配合连接，一个左上链扣18与另一个左上链扣18之间的左间隙48比左防插片20的宽度大0.2毫米至0.5毫米；一个右上链扣22与另一个右上链扣22之间的右间隙49比右防插片24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22的宽度相等；左防插片20的宽度与右防插片24的宽度相等；左上链扣18的宽度与左防插片20的宽度相等，右上链扣22的宽度与右防插片24的宽度相等。
为了利用锁具锁住链座1，链座1设有动锁孔50，链尾封口件15设有定锁孔51，以方便利用锁具将链座1与链尾封口件15锁在一起。
双卷双层防插拉链的使用方法是：使用时，将左上链布19、左下链布27、右上链布23以及右下链布30与行李箱的箱口连接，并使钢卷尺4上的拉手43位于行李箱外；封闭行李箱时，手抓拉手43牵引钢卷尺4以及链座1移动，链座1跟随拉手43移动，使左上链条12与右上链条13咬合扣接在一起，以及使左下链条16以及右下链条17咬合扣接在一起，将行李箱的箱口封闭；上钢卷尺5跟随链座1移动，上钢卷带32随着上钢卷尺5移动被拉出，拉出的上钢卷带32被左上链钩21与右上链钩25扣在链座1的上面，将左上链条12与右上链条13的闭合口封住；同时，下钢卷尺6跟随链座1移动，下钢卷带34随着下钢卷尺6移动被拉出，拉出的下钢卷带34被左下链钩28与右下链钩31扣在链座1的下面，将左下链条16以及右下链条17的闭合口封住；左上链条12与右上链条13闭合时，左防插片20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，以及右防插片24移动到位于一个右上链扣22与另一个右上链扣22之间位置，利用左防插片20挡住一个左上链扣18与另一个左上链扣18之间的间隙，利用右防插片24挡住一个右上链扣22与另一个右上链扣22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43牵引链座1反方向移动，链座1跟随拉手43移动，使闭合的左上链条12与右上链条13分开，以及使不闭合的左下链条16与右下链条17；同时，上钢卷带32跟随链座1反方向移动，上钢卷带32在上钢卷尺5扭簧的弹力作用下收回上钢卷尺5内；以及下 钢卷带34跟随链座1反方向移动，下钢卷带34在下钢卷尺6扭簧的弹力作用下收回下钢卷尺6内。
防插拉链封闭行李箱时，手抓拉手43牵引链座1以及外壳7移动，左上链扣18以及左防插片20由左上链槽8导入，右上链扣22以及右防插片24由右上链槽9导入，利用链座1的左上链槽8以及右上链槽9移动使左上链扣18与右上链扣22咬合连接，同时，左防插片20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之间的左间隙48的位置；右防插片20跟随右上链扣22移动到一个右上链扣22与另一个右上链扣22之间的右间隙49的位置；左下链扣26由左下链槽10导入，右下链扣29由右下链槽11导入，利用左下链槽10导入以及右下链槽11移动使左下链扣26与右下链扣29咬合连接；同时，上钢卷尺5跟随链座1移动，上钢卷带32随着上钢卷尺5移动被拉出，拉出的上钢卷带32被扣在左上链钩21以及右上链钩25与上链板36之间；以及下钢卷尺6跟随链座1移动，下钢卷带34随着下钢卷尺6移动被拉出，拉出的下钢卷带34被扣在左下链钩28以及右下链钩31与下链板40之间。
为了实施上钢卷带32跟随左上链扣18移动，以及实施下钢卷带34跟随右上链扣22移动，链座1跟随拉手43向闭合上链条2的方向移动时，左上钩尾44以及右上钩尾45跟随左上链扣18以及右上链扣22移动，左上链扣18与右上链扣22咬合扣接在一起时，左上钩尾44以及右上钩尾45距离小于上钢卷带32的宽度，使上钢卷带32被扣在左上链钩21以及右上链钩25之内；以及左下钩尾46以及右下钩尾47跟随左下链扣26以及右下链扣29移动，左下链扣26与右下链扣29咬合扣接在一起时，左下钩尾46与右下钩尾47距离小于下钢卷带34的宽度，使下钢卷带34被扣在左下链钩28与右下链钩31之内。
左上链条12与右上链条13咬合扣接在一起时，上钢卷尺5跟随链座1移动，上链板36跟随拉手43于左上链钩21与右上链钩25之间移动，上钢卷带32被牵引出的长度与左上链条12与右上链条13闭合的长度成正比或者相等；以及下钢卷尺6跟随链座1移动，左下链条16与右下链条17咬合扣接在一起时，下链板40跟随拉手43于左下链钩28与右下链钩31之间移动，下钢卷带34被牵引出的长度与左下链条16与右下链条17闭合的长度成正比或者相等。
左上链条12与右上链条13由闭合状态分开时，上钢卷尺5跟随链座1移动，上链板36跟随拉手43于左上链钩21与右上链钩25之间移动，上钢卷带32被收回上钢卷尺5的长度与左上链条12与右上链条13分开的长度成正比或者相等；以及下钢卷尺6跟随链座1移动，下链板40跟随拉手43于左下链钩28与右下链钩31之间移动，下钢卷带34被收回下钢卷尺6的长度与左下链条16与右下链条17分开的长度成正比或者相等。
左上链条12与右上链条13闭合时，链座1向链尾封口件15方向移动移动，左上链扣18与右上链扣22随着链座1的移动而不断闭合；左上链扣18与右上链扣22分开时，链座1向链头封口件14方向移动移动，左上链扣18与右上链扣22随着链座1的移动而不断分开；左下链条16与右下链条17闭合时，链座1向链尾封口件15方向移动移动，左下链扣26与右下链扣29随着链座1的移动而不断闭合；左下链扣26与右下链扣29分开时，链座1向链头封口件14方向移动移动，左下链扣26与右下链扣29随着链座1的移动而不断分开；每个左防插片20与相邻的左上链扣18动配合连接，每个右防插片24与相邻的右上链扣22动配合连接。
为了减少上钢卷带32以及下钢卷带34移动的摩擦力，上导轮41与上链板36铰接，下导轮42与下链板40铰接；左上链扣18与右上链扣22闭合或者分开时，上钢卷带32与上导轮41动配合连接；左下链扣26与右下链扣29闭合或者分开时，下钢卷带34与下导轮42动配合连接。

Claims (3)

  1. 双卷双层防插拉链，其特征在于：所述的双卷双层防插拉链包括有链座(1)、上链条(2)、下链条(3)以及钢卷尺(4)，钢卷尺(4)包括有上钢卷尺(5)以及下钢卷尺(6)，链座(1)与上链条(2)、下链条(3)以及钢卷尺(4)的外壳(7)连接；链座(1)设有左上链槽(8)、右上链槽(9)、左下链槽(10)以及右下链槽(11)，上链条(2)包括有左上链条(12)、右上链条(13)、链头封口件(14)以及链尾封口件(15)，下链条(3)包括有左下链条(16)以及右下链条(17)，左上链条(12)、右上链条(13)、左下链条(16)以及右下链条(17)与链头封口件(14)以及链尾封口件(15)连接；左上链条(12)与左上链槽(8)连接，右上链条(13)与右上链槽(9)连接，左下链条(16)与左下链槽(10)，右下链条(17)与右下链槽(11)；左上链条(12)设有左上链扣(18)以及左上链布(19)，左上链扣(18)与左上链布(19)连接，左上链扣(18)设有左防插片(20)以及左上链钩(21)，左上链扣(18)、左防插片(20)以及左上链钩(21)由一体的材料构成；右上链条(13)设有右上链扣(22)以及右上链布(23)，右上链扣(22)与右上链布(23)连接，右上链扣(22)设有右防插片(24)以及右上链钩(25)，右上链扣(22)、右防插片(24)以及右上链钩(25)由一体的材料构成；左下链条(16)设有左下链扣(26)以及左下链布(27)，左下链扣(26)与左下链布(27)连接，左下链扣(26)设有左下链钩(28)，左下链扣(26)以及左下链钩(28)由一体的材料构成；右下链条(17)设有右下链扣(29)以及右下链布(30)，右下链扣(29)与右下链布(30)连接，右下链扣(29)设有右下链钩(31)，右下链扣(29)以及右下链钩(31)由一体的材料构成；上钢卷尺(5)设有上钢卷带(32)，上钢卷带(32)的上头端(33)与上链条(2)的链头封口件(14)连接，上钢卷带(32)与左上链钩(21)以及与右上链钩(22)动配合连接，上钢卷带(32)位于链座(1)的上方；下钢卷尺(6)设有下钢卷带(34)，下钢卷带(34)的下头端(35)与上链条(2)的链头封口件(14)连接，下钢卷带(34)与左下链钩(28)以及右下链钩(31)动配合连接，下钢卷带(34)位于链座(1)的下方；左防插片(20)位于每个左上链扣(18)之间的位置，右防插片(24)位于每个右上链扣(22)之间的位置，利用左防插片(20)以及右防插片(24)封住左上链扣(18)以及右上链扣(22)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)以及时下链条(3)，利器被上钢卷带(32)以及下钢卷带(34)挡住，使不法分子难以插开上链条(2)以及下链条(3)；链座(1)包括有上链板(36)、上合链柱(37)、中链板(38)、下合链柱(39)以及下链板(40)，上链板(36)与上合链柱(37)连接，上合链柱(37)与中链板(38)连接，中链板(38)与下合链柱(39)连接，下合链柱(39)与下链板(40)连接；或者，上链板(36)、上合链柱(37)、中链板(38)、下合链柱(39)以及下链板(40)由一体的材料构成；上钢卷带(32)位于左上链钩(21)与右上链钩(25)之间，下钢卷带(34)位于左下链钩(28)与右下链钩(31)之间。
  2. 根据权利要求1所述的双卷双层防插拉链，其特征在于：所述的上链板(36)设有上导轮(41)，上钢卷带(32)经过上导轮(41)与链头封口件(14)连接，外壳(7)与上链板(36)连接；下链板(40)设有下导轮(42)，下钢卷带(34)经过下导轮(42)与链头封口件(14)连接，外壳(7)设有拉手(43)；左上链钩(21)与右上链钩(25)之间的距离大于上钢卷带(32)的宽度，使上钢卷带(32)能于左上链钩(21)与右上链钩(25)之间移动；左下链钩(28)与右下链钩(31)之间的距离大于下钢卷带(34)的宽度，使下钢卷带(34)能于左下链钩(28)与右下链钩(31)之间移动；左上链扣(18)的宽度与右上链扣(22)的宽度相等；左防插片(20)的宽度与右防插片(24)的宽度相等；左上链扣(18)的宽度与左防插片(20)的宽度相等，右上链扣(22)的宽度与右防插片(24)的宽度相等。
  3. 根据权利要求1所述的双卷双层防插拉链，其特征在于：所述的左上链钩(21)与右上链钩(25)之间的距离大于上链板(36)的宽度，使上链板(36)能于左上链钩(21)与右上链钩(25)之间移动；左下链钩(28)与右下链钩(31)之间的距离大于下链板(40)的宽度，使下链板(40)能于左下链钩(28)与右下链钩(31)之间移动；左上链钩(21)的左上钩尾(44)到右上链钩(25)的右上钩尾(45)的距离小于上钢卷带(32)的宽度，以免上钢卷带(32)脱离左上链钩(21)以及右上链钩(25)；左下链钩(28)的左下钩尾(46)到右下链钩(31)的右下钩尾(47)的距离小于下钢卷带(34)的宽度，以免下钢卷带(34)脱离左下链钩(28)以及右下链钩(31)；上钢卷带(32)位于左上钩尾(44)以 及右上钩尾(45)与上链板(36)之间，左上钩尾(44)以及右上钩尾(45)位于上钢卷带(32)的上面，上链板(36)位于上钢卷带(32)的下面；下钢卷带(34)位于左下钩尾(46)以及右下钩尾(47)与下链板(40)之间，下钢卷带(34)位于左下钩尾(46)以及右下钩尾(47)上面，下链板(40)位于下钢卷带(34)上面。
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