WO2017157241A1 - 双层上下防插拉链的使用方法 - Google Patents

双层上下防插拉链的使用方法 Download PDF

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Publication number
WO2017157241A1
WO2017157241A1 PCT/CN2017/076156 CN2017076156W WO2017157241A1 WO 2017157241 A1 WO2017157241 A1 WO 2017157241A1 CN 2017076156 W CN2017076156 W CN 2017076156W WO 2017157241 A1 WO2017157241 A1 WO 2017157241A1
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WO
WIPO (PCT)
Prior art keywords
chain
hook
buckle
insert
steel tape
Prior art date
Application number
PCT/CN2017/076156
Other languages
English (en)
French (fr)
Inventor
郑运婷
Original Assignee
郑运婷
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 郑运婷 filed Critical 郑运婷
Publication of WO2017157241A1 publication Critical patent/WO2017157241A1/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 method for using a safety zipper, in particular to a method for using a double-layer upper and lower anti-insertion zipper.
  • the zipper used in the trunk or the duffel bag has insufficient strength due to the zipper.
  • the illegal element inserts the zipper with the sharp weapon, and the zipper can be opened, and the double-layer anti-insertion preventing the zipper from being cut open is used.
  • the use of zippers has 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 method for using a double-layer upper and lower anti-insert zipper for improving the zipper strength and improving the anti-theft performance of the zipper.
  • the technical solution adopted by the invention is: double-layer upper and lower anti-insert zipper, including chain seat, upper chain, lower chain and steel tape measure, steel tape measure including upper steel tape measure and lower steel tape measure, chain seat and upper chain and lower chain And a steel tape measure shell connection;
  • 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 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 chain and the lower left chain slot, the lower right chain and the lower right 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 upper anti-insert piece and a left upper chain hook.
  • the upper left buckle, the upper left protection insert and the upper left chain hook are made of one piece of material;
  • the upper right chain has an upper right buckle and an upper right chain cloth, and the upper right buckle is connected with the upper right chain cloth, upper right
  • the upper right anti-insert and the upper right chain hook are buckled, and the upper right cuff, the upper right anti-insert and the upper right chain hook are made of one piece of material;
  • the lower left chain has a lower left cuff and a lower left chain, and the lower left cuff is connected with the lower left chain.
  • the lower left buckle has a lower left anti-insert and a lower left chain hook, and the lower left cuff, the lower left anti-insert, and the lower lower chain are made of one piece of material;
  • the lower right chain is provided with a lower right cuff and a lower right chain, lower right
  • the chain buckle is connected with the right lower chain cloth, the lower right chain buckle is provided with a lower right anti-insert tab and a lower right chain hook, and the lower right cufflink, the lower right anti-insert tab and the lower right chain hook are composed of an integral material;
  • the upper steel tape measure With upper steel coil, upper end of upper steel coil and upper chain
  • the chain head sealing member is connected, the upper steel coil belt is connected with the upper left chain hook and the upper upper chain hook, and the upper steel coil belt is located above the chain seat;
  • the lower steel tape measure is provided with the lower steel coil belt, and the lower steel coil belt has the lower end end of the lower steel coil belt Connected to the
  • the position between the buckles, the lower right anti-insert is located between each lower right cuff, and the gap between the lower left cuff and the lower right cuff is sealed by the lower left anti-insert and the lower right anti-insert;
  • the difficulty of inserting the upper chain and the lower chain by the criminals when the criminals insert the upper chain and the current chain with the sharp weapon, the sharp weapon is blocked by the upper steel coil and the lower steel coil, making it difficult for the criminals to insert the upper chain and the lower chain.
  • the double-layer upper and lower 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 box.
  • 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 on the chain seat.
  • the upper left chain and the upper right chain are closed; at the same time, the lower steel tape follows the chain seat, the lower steel coil is pulled out with the lower steel tape moving, and the pulled lower steel tape is pulled by the left lower hook and the right
  • the lower chain hook is under the chain seat, sealing the closed port of the lower left chain and the lower right chain; when the upper left chain and the upper right chain are closed, the left upper anti-insert is moved to be located between one upper left cuff and the other upper left cuff.
  • Position to The upper right anti-insert is moved to the position between one upper right cuff and the other upper right cuff, and the left upper anti-insert is used to block the gap between one upper left cuff and the other upper left cuff, and the upper right anti-insert is used to block one upper right.
  • the gap between the cufflink and the other lower right cuff increase 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, and the chain follows the handle. Separating the closed upper left chain from the upper right chain and the unclosed lower left and right lower chains At the same time, the upper steel coil is moved in the opposite direction of the chain seat, and the upper steel coil is retracted in the upper steel tape under the elastic force of the upper steel coil torsion spring; and the lower steel coil is moved in the opposite direction following the chain seat, the lower steel coil The belt is taken back under the elastic force of the lower steel tape torsion spring.
  • the utility model has the beneficial effects that: when used, the double-layer upper and lower anti-insert zipper is arranged on the luggage box, and the double-layer upper and lower anti-insertion 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 with an upper left side.
  • the lower chain is provided with a lower left anti-insert and a lower right anti-insert
  • the upper left anti-insert and the upper right anti-insert are used to seal the gap between the upper left cuff and the upper right cuff, using the lower left
  • the anti-insertion piece and the lower right anti-insert piece seal the gap between the lower left cuff and the lower right cuff
  • the upper and lower chains are sealed by the upper steel reel and the lower steel reel, and the illegal element is inserted into the upper chain by the weapon.
  • the chain is down, it is more difficult to insert the zipper with the weapon.
  • FIG. 1 is a schematic structural view of a double-layer upper and lower anti-insertion zipper
  • Figure 2 is a right side view of Figure 1;
  • Figure 3 is a partial schematic view of the upper right anti-insert tab and the upper right anti-insert tab;
  • FIG. 4 is a partial schematic view of the lower right anti-insert tab and the lower right anti-insert tab.
  • FIG. 1 is a schematic view showing the structure of the double-layer upper and lower anti-insert zipper, FIG. 2, the right side view of FIG. 1, the left upper anti-insert piece and the upper right anti-insert piece shown in FIG. 3, and FIG.
  • the double-layer upper and lower anti-insert zipper includes a chain base 1, an upper chain 2, a lower chain 3, and a steel tape measure 4, and the steel tape measure 4 includes an upper steel tape measure 5 and
  • the lower steel tape measure 6 the chain base 1 is connected to the upper chain 2, the lower chain 3 and the outer casing 7 of the steel tape measure 4;
  • 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
  • the upper chain 2 includes an upper left chain 12, an upper right chain 13, a chain head sealing member 14, and a chain tail sealing member 15.
  • the lower chain 3 includes a lower left chain 16 and a lower right chain 17, an upper left chain 12, an upper right chain 13, and a lower left chain.
  • 16 and the lower right chain 17 are connected to the chain closure member 14 and the chain closure member 15;
  • the upper left chain 12 is connected to the upper left chain slot 8
  • the upper right chain 13 is connected to the upper right chain slot 9, the lower left chain 16 and the lower left chain slot 10, right a lower chain 17 and a lower right chain groove 11;
  • the upper left chain 12 is provided with an upper left chain buckle 18 and a left upper chain cloth 19,
  • the upper buckle 18 is connected to the left upper chain cloth 19, and the upper left fastener 18 is provided with a left upper anti-insert sheet 20 and a left upper chain hook 21, and the upper left fastener 18, the upper left anti-insert tab 20 and the upper left chain hook 21 are made of an integral material;
  • the chain 13 is provided with an upper right cuff 22 and an upper right
  • the chain cloth 23, the upper right cuff 22 is
  • the left lower chain 16 is provided with a lower left chain buckle 26 and a left lower chain cloth 27, the left lower chain buckle 26 is connected to the left lower chain cloth 27, and the lower left chain buckle 26 is provided with a left lower defense preventing piece 28 and a left lower chain hook 29, and a lower left chain buckle 26
  • the lower left anti-insert blade 28 and the lower left chain hook 29 are made of an integral material;
  • the lower right chain 17 is provided with a lower right cuff 30 and a lower right chain 31, and the lower right cuff 30 is connected to the lower right chain 31, right lower
  • the cuff 30 is provided with a lower right anti-insert tab 32 and a right lower chain hook 33.
  • the lower right cuff fastener 30, the lower right anti-insert tab 32 and the lower right chain hook 33 are formed of an integral material; the upper steel tape measure 5 is provided with a steel upper plate.
  • the upper end 35 of the upper steel reel 34 is connected to the chain sealing member 14 of the upper chain 2, and the upper steel reel 34 is mechanically coupled to the upper left chain hook 21 and the upper right chain hook 22, and the upper steel reel 34 is attached.
  • the lower steel tape measure 6 is provided with a lower steel coil 36, and the lower end 37 of the lower steel coil 36 is connected to the chain head sealing member 14 of the upper chain 2, the lower steel coil
  • the belt 36 is movably coupled with the lower lower chain hook 29 and the lower right chain hook 33, and the lower steel coil belt 36 is located below the chain base 1;
  • the upper left anti-insert sheet 20 is located between each upper left upper buckle 18, and the upper right anti-insert tab 24 is located between each of the upper right cuffs 22, and the gap between the upper left cuff 18 and the upper right cuff 22 is sealed by the upper left anti-insert tab 20 and the upper right anti-insert tab 24;
  • the lower left anti-insert tab 28 is located at each lower left
  • the position between the cuffs 26, the lower right anti-insert tab 32 is located between each of the lower right cuffs 30, and the lower left clasp 26 and the lower right anti-insert tab 32 are used to seal
  • the chain base 1 includes an upper chain plate 38, an upper chain column 39, a middle chain plate 40, and a lower chain column 41.
  • the lower link plate 42 is connected to the upper chain link 39
  • the upper chain link 39 is connected to the middle link plate 40
  • the middle link plate 40 is connected to the lower link column 41
  • the lower link column 41 and the lower link plate are connected.
  • the upper chain plate 38, the upper chain column 39, the middle chain plate 40, the lower chain column 41 and the lower chain plate 42 are composed of an integral material;
  • the upper steel coil 34 is located at the upper left chain hook 21 and the upper right chain Between the hooks 25, the lower steel coil 36 is located between the lower left chain hook 29 and the lower right chain hook 33;
  • the upper chain plate 38 is provided with an upper guide wheel 43, and the upper steel coiled belt 34 passes the upper guide wheel 43 and the chain head sealing member.
  • the outer casing 7 is connected to the upper chain plate 38;
  • the lower chain plate 42 is provided with a lower guide wheel 44, the lower steel coil 36 is connected to the chain sealing member 14 via the lower guide wheel 44, the outer casing 7 is provided with a handle 45;
  • the distance between the upper left chain hook 21 and the upper right chain hook 25 is greater than the width of the upper steel coil 34
  • the upper steel reel 34 can be moved between the upper left chain hook 21 and the upper right chain hook 25; the distance between the lower lower chain hook 29 and the lower right chain hook 33 is greater than the width of the lower steel reel 36, so that the lower steel coil 36 It can move between the lower left chain hook 29 and the lower right chain hook 33; 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 38, so that the upper chain plate 38 can be on the upper left chain hook 21 and the upper right side
  • the chain hooks 25 move between; the distance between the lower lower chain hooks 29 and the right lower chain hooks 33 is greater than the width of the lower link plates 42, so that the lower link plates 42 can move between the lower left chain hooks 29 and the right lower chain hooks 33.
  • the distance from the upper left hook 46 of the upper upper chain hook 21 to the upper right hook 47 of the upper right chain hook 25 is smaller than the width of the upper steel coil 34, so as to avoid
  • the steel reel 34 is separated from the upper left chain hook 21 and the upper right chain hook 25; the distance from the lower left hook 48 of the lower lower chain hook 29 to the lower right hook end 49 of the lower right chain hook 33 is smaller than the width of the lower steel coil 36 to avoid lowering the steel.
  • the winding belt 36 is separated from the lower left chain hook 29 and the lower right chain hook 33; the upper steel coil 34 is located between the upper left hook tail 46 and the upper right hook tail 47 and the upper chain plate 38, and the upper left hook tail 46 and the upper right hook tail 47 are located on the upper steel.
  • the upper link plate 38 is located below the upper steel reel 34; the lower steel reel 36 is located between the lower left stalk 48 and the lower right stern 49 and the lower link 42, and the lower steel reel 36 is located at the lower left.
  • the lower link plate 42 is located above the lower steel coil 36.
  • the upper left gap 50 between one upper left buckle 18 and the other upper left buckle 18 is higher than the upper left protection tab 20
  • the width is 0.2 mm to 0.5 mm; the upper right gap 51 between one 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 upper right anti-insert tab 24; one lower left cuff 26 is another
  • the lower left gap 52 between the lower left cuffs 26 is 0.2 mm to 0.5 mm larger than the width of the lower left anti-insert tab 28;
  • the lower right gap 53 between one lower right cuff 30 and the other lower right cuff 30 is lower than the lower right
  • the width of the tab 32 is 0.2 mm to 0.5 mm; the width of the upper left clasp 18 is equal to the width of the upper right clasp 22; the width of the upper left anti-insert 20 is equal to the width of the
  • width of the sheet 20 is equal to the width of the lower left anti-insert tab 28, and the width of the upper right anti-insert tab 24 is equal to the width of the lower right anti-insert tab 32.
  • the chain base 1 is provided with a dynamic locking hole 54, and the chain tail sealing member 15 is provided with a locking hole 55 for facilitating the locking of the chain base 1 and the chain tail sealing member 15 by means of the lock.
  • the double-layer upper and lower anti-insert 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 31 to the trunk of the luggage box, 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 12 and the upper right chain 13 are snapped together, and The lower left 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 34 is pulled out along with the upper steel tape measure 5, and is pulled out.
  • the upper steel coil 34 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 36 is pulled out as the lower steel tape 6 moves, and the drawn lower steel coil 36 is buckled under the chain base 1 by the lower lower chain hook 29 and the lower lower chain hook 33, and the lower left chain 16 and the lower right
  • the closed port of the chain 17 is sealed; when the upper left chain 12 and the upper right chain 13 are closed, the upper left anti-insert 20 is moved to The position between one upper left cuff 18 and the other upper left cuff 18, and the upper right anti-insert 24 are moved to a position between one upper right cuff 22 and the other upper right cuff 22, blocking one by the upper left anti-insert 20
  • the gap between the upper left buckle 18 and the other upper left buckle 18 blocks the gap between one upper right buckle 22 and the other upper
  • the gap between the two is increased; the difficulty of inserting the zipper by the weapon is increased; when the box mouth of the trunk is opened, the chain seat 1 is pulled in the opposite direction by the handle 45 by hand, and the chain base 1 follows the handle 45 to move, so that the closed upper left chain 12 is separated from the upper right chain 13 and The closed lower left chain 16 is separated from the lower right chain 17; at the same time, the upper steel coil 34 moves in the opposite direction of the chain seat 1, and the upper steel coil 34 is retracted into the upper steel tape 5 under the elastic force of the upper steel tape 5 torsion spring; And the lower steel coil 36 moves in the opposite direction of the chain base 1, and the lower steel coil 36 is retracted into the lower steel tape 6 under the elastic force of the lower steel tape 6 torsion spring.
  • the gripper 45 pulls the chain base 1 and the outer casing 7 to move, and the upper left clasp 18 and the upper left anti-insert 20 are introduced by the upper left chain slot 8, the upper right clasp 22 and the upper right anti-insert tab.
  • the movement of the chain groove 11 causes the lower left buckle 26 to be engaged with the lower right buckle 29; at the same time, the lower left protection tab 28 follows the lower left buckle 26 to move to the lower left gap 52 between the lower left buckle 26 and the other lower left buckle 26. Position; the lower right guard insert 32 follows the lower right cuff 30 to move to the right The position of the lower right gap 53 between the cuff 30 and the other lower right cuff 30; at the same time, the upper steel tape 5 moves along with the chain base 1, and the upper steel reel 34 is pulled out with the movement of the upper steel tape 5, pulling The upper steel coil 34 is fastened between the upper left chain hook 21 and the upper right chain hook 25 and the upper chain plate 38; and the lower steel tape measure 6 moves following the chain base 1, and the lower steel coiled belt 36 moves with the lower steel tape measure 6. Pulled out, the drawn lower steel reel 36 is fastened between the lower left chain hook 29 and the lower right chain hook 33 and the lower link plate 42.
  • the chain base 1 follows the handle 45 to move in the direction of closing the upper chain 2
  • the upper left hook tail 46 of the upper left chain hook 21 and the upper right hook tail 47 of the upper right chain hook 25 follow the upper left buckle 18 and the upper right buckle 22
  • the distance between the upper left hook tail 46 and the upper right hook tail 47 is smaller than the width of the upper steel coil 34, so that the upper steel coil 34 is buckled on the upper left chain hook 21 and the upper right side.
  • the lower left hook tail 48 of the lower left chain hook 29 and the lower right hook tail 49 of the lower right chain hook 33 follow the lower left buckle 26 and the lower right buckle 30, and the lower left buckle 26 and the lower right buckle
  • the distance between the lower left hook tail 48 and the lower right hook tail 49 is less than the width of the lower steel coil 36, so that the lower steel coil 36 is buckled within the lower lower chain hook 29 and the lower lower chain hook 33.
  • the upper steel tape measure 5 moves along the chain base 1, and the upper link plate 38 follows the handle 45 to move between the upper left chain hook 21 and the upper right chain hook 25, and the upper steel plate
  • the length of the take-up belt 34 is drawn to be 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 measure 6 follows the movement of the chain base 1, and the lower left chain 16 and the lower right chain 17 are snap-fitted together.
  • the lower link plate 42 follows the handle 45 on the lower left chain hook 29 Moving between the lower right chain hooks 33, the length at which the lower steel reel 36 is pulled out is 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 along with the chain base 1, and the upper link plate 38 follows the handle 45 to move between the upper left chain hook 21 and the upper right chain hook 25, the upper steel coil
  • the length of the belt 34 being retracted by the 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 42 follows the handle 45 to the left lower chain hook 29 Moving between the lower right chain hooks 33, the length of the lower steel coils 36 being retracted is proportional to the length of the left lower chain 16 and the lower right chain 17 separated.
  • Each of the upper left anti-insert tabs 20 is movably coupled to an adjacent upper left clasp 18, and each of the upper right anti-insert tabs 24 is movably coupled to an adjacent upper right clasp 22; each of the lower left anti-insert tabs 28 and the phase The lower left lower clasps 26 are movably coupled, and each of the lower right anti-insert tabs 32 is movably coupled to the adjacent lower right clasp 30.
  • the upper guide wheel 43 is hinged to the upper link plate 38, and the lower guide wheel 44 is hinged to the lower link plate 42; the upper left buckle 18 and the upper right buckle 22 are closed.
  • the upper steel reel 34 is movably coupled to the upper guide wheel 43; when the lower left cuff 26 and the lower right cuff 29 are closed or separated, the lower reel 36 is movably coupled to the lower guide 44.

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

Abstract

双层上下防插拉链的使用方法，所述拉链包括有链座（1）、上链条（2）、下链条（3）以及钢卷尺（4），上链条（2）包括左上链条（12）和右上链条（13），下链条（3）包括左下链条（16）和右下链条（17），左上链条（12）、右上链条（13）上分别设有左上防插片（20）、右上防插片（24），左下链条（16）、右下链条（17）上分别设有左下防插片（28）、右下防插片（32），钢卷尺（4）设有上钢卷带（34）和下钢卷带（36）；使用时，将拉链设置于行李箱上，利用左上防插片（20）以及右上防插片（24）分别封住左上链条（12）上的左上链扣（18）之间的间隙以及右上链条（13）上的右上链扣（22）之间的间隙，利用左下防插片（28）以及右下防插片（32）分别封住左下链条（16）上的左下链扣（26）之间的间隙以及右下链条（17）上的右下链扣（30）之间的间隙，利用上钢卷带（34）以及下钢卷带（36）封住上链条（2）以及下链条（3），增加不法分子打开拉链的难度。

Description

双层上下防插拉链的使用方法 技术领域
本发明涉及一种安全拉链的使用方法，特别是一种双层上下防插拉链的使用方法。
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上下防插拉链的使用方法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，提供一种双层上下防插拉链的使用方法，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：双层上下防插拉链，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，左上链扣设有左上防插片以及左上链钩，左上链扣、左上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，右上链扣设有右上防插片以及右上链钩，右上链扣、右上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，左下链扣设有左下防插片以及左下链钩，左下链扣、左下防插片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，右下链扣设有右下防插片以及右下链钩，右下链扣、右下防插片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以及下链条的难度；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。
双层上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；左下链条与右下链条闭合时，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，以及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，将双层上下防插拉链设置于行李箱上，双层上下防插拉链设有上链条、下链条、上钢卷尺以及下钢卷尺，上链条设有左上防插片以及右上防插片，下链条设有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是双层上下防插拉链的结构示意图；
图2是图1的右视图；
图3是右上防插片以及右上防插片的局部示意图；
图4是右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所示的双层上下防插拉链的结构示意图、图2所示图1的右视图、图3所示的左上防插片以及右上防插片的局部示意图、图4所示图1的右下防插片以及右下防插片的局部示意图；双层上下防插拉链，包括有链座1、上链条2、下链条3以及钢卷尺4，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设有左上防插片20以及左上链钩21，左上链扣18、左上防插片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设有右上防插片24以及右上链钩25，右上链扣22、右上防插片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设有左下防插片28以及左下链钩29，左下链扣26、左下防插片28以及左下链钩29由一体的材料构成；右下链条17设有右下链扣30以及右下链布31，右下链扣30与右下链布31连接，右下链扣30设有右下防插片32以及右下链钩33，右下链扣30、右下防插片32以及右下链钩33由一体的材料构成；上钢卷尺5设有上钢卷带34，上钢卷带34的上头端35与上链条2的链头封口件14连接，上钢卷带34与左上链钩21以及与右上链钩22动配合连接，上钢卷带34位于链座1的上方；下钢卷尺6设有下钢卷带36，下钢卷带36的下头端37与上链条2的链头封口件14连接，下钢卷带36与左下链钩29以及右下链钩33动配合连接，下钢卷带36位于链座1的下方；左上防插片20位于每个左上链扣18之间的位置，右上防插片24位于每个右上链扣22之间的位置，利用左上防插片20以及右上防插片24封住左上链扣18以及右上链扣22之间的间隙；左下防插片28位于每个左下链扣26之间的位置，右下防插片32位于每个右下链扣30之间的位置，利用左下防插片28以及右下防插片32封住左下链扣26以及右下链扣30之间的间隙；增加不法分子插开上链条2以及下链条3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34以及下钢卷带36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带34以及下钢卷带36封住上链条2以及下链条，链座1包括有上链板38、上合链柱39、中链板40、下合链柱41以及下链板42，上链板38与上合链柱39连接，上合链柱39与中链板40连接，中链板40与下合链柱41连接，下合链柱41与下链板42连接；或者，上链板38、上合链柱39、中链板40、下合链柱41以及下链板42由一体的材料构成；上钢卷带34位于左上链钩21与右上链钩25之间，下钢卷带36位于左下链钩29与右下链钩33之间；上链板38设有上导轮43，上钢卷带34经过上导轮43与链头封口件14连接，外壳7与上链板38连接；下链板42设有下导轮44，下钢卷带36经过下导轮44与链头封口件14连接，外壳7设有拉手45；
为了保持链座1的可移动性能，以及避免上钢卷带34以及下钢卷带36脱离链座1；左上链钩21与右上链钩25之间的距离大于上钢卷带34的宽度，使上钢卷带34能于左上链钩21与右上链钩25之间移动；左下链钩29与右下链钩33之间的距离大于下钢卷带36的宽度，使下钢卷带36能于左下链钩29与右下链钩33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38的宽度，使上链板38能于左上链钩21与右上链钩25之间移动；左下链钩29与右下链钩33之间的距离大于下链板42的宽度，使下链板42能于左下链钩29与右下链钩33之间移动。
为了避免上钢卷带34以及下钢卷带36脱离链座1，左上链钩21的左上钩尾46到右上链钩25的右上钩尾47的距离小于上钢卷带34的宽度，以免上钢卷带34脱离左上链钩21以及右上链钩25；左下链钩29的左下钩尾48到右下链钩33的右下钩尾49的距离小于下钢卷带36的宽度，以免下钢卷带36脱离左下链钩29以及右下链钩33；上钢卷带34位于左上钩尾46以及右上钩尾47与上链板38之间，左上钩尾46以及右上钩尾47位于上钢卷带34的上面，上链板38位于上钢卷带34的下面；下钢卷带36位于左下钩尾48以及右下钩尾49与下链板42之间，下钢卷带36位于左下钩尾48以及右下钩尾49上面，下链板42位于下钢卷带36上面。
为了保持左上链扣18、右上链扣22、左下链扣26以及右下链扣30的活动性能，一个左上链扣18与另一个左上链扣18之间的左上间隙50比左上防插片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之间的右上间隙51比右上防插片24的宽度大0.2毫米至0.5毫米；一个左下链扣26与另一个左下链扣26之间的左下间隙52比左下防插片28的宽度大0.2毫米至0.5毫米；一个右下链扣30与另一个右下链扣30之间的右下间隙53比右下防插片32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；左上防插片20的宽度与右上防插片24的宽度相等；左上链扣18的宽度与左上防插片20的宽度相等，右上链扣22的宽度与右上防插片24的宽度相等；左下链扣26的宽度与右下链扣30的宽度相等；左下防插片28的宽度与右下防插片32的宽度相等；左下链扣26的宽度与左下防插片28的宽度相等，右下链扣30的宽度与右下防插片32的宽度相等；左上链扣18的宽度与左下链扣26的宽度相等，右上链扣22的宽度与右下链扣30的宽度相等；左上防插 片20的宽度与左下防插片28的宽度相等，右上防插片24的宽度与右下防插片32的宽度相等。
为了利用锁具将链座1锁住，链座1设有动锁孔54，链尾封口件15设有定锁孔55，以方便利用锁具将链座1与链尾封口件15锁在一起。
双层上下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31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34随着上钢卷尺5移动被拉出，拉出的上钢卷带34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36随着下钢卷尺6移动被拉出，拉出的下钢卷带36被左下链钩29与右下链钩33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，左上防插片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，以及右上防插片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，利用左上防插片20挡住一个左上链扣18与另一个左上链扣18之间的间隙，利用右上防插片24挡住一个右上链扣22与另一个右上链扣22之间的间隙；左下链条16与右下链条17闭合时，左下防插片28移动到位于一个左下链扣26与另一个左下链扣26之间的位置，以及右下防插片32移动到位于一个右下链扣30与另一个右下链扣30之间位置，利用左下防插片28挡住一个左下链扣26与另一个左下链扣26之间的间隙，利用右下防插片32挡住一个右下链扣30与另一个右下链扣30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分开；同时，上钢卷带34跟随链座1反方向移动，上钢卷带34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36跟随链座1反方向移动，下钢卷带36在下钢卷尺6扭簧的弹力作用下收回下钢卷尺6内。
所述的防插拉链封闭行李箱时，手抓拉手45牵引链座1以及外壳7移动，左上链扣18以及左上防插片20由左上链槽8导入，右上链扣22以及右上防插片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，左上防插片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之间的左上间隙50的位置；右上防插片24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之间的右上间隙51的位置；左下链扣26以及左下防插片28由左下链槽10导入，右下链扣29以及右下防插片32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，左下防插片28跟随左下链扣26移动到一个左下链扣26与另一个左下链扣26之间的左下间隙52的位置；右下防插片32跟随右下链扣30移动到一个右下链扣30与另一个右下链扣30之间的右下间隙53的位置；同时，上钢卷尺5跟随链座1移动，上钢卷带34随着上钢卷尺5移动被拉出，拉出的上钢卷带34被扣在左上链钩21以及右上链钩25与上链板38之间；以及下钢卷尺6跟随链座1移动，下钢卷带36随着下钢卷尺6移动被拉出，拉出的下钢卷带36被扣在左下链钩29以及右下链钩33与下链板42之间。
所述的链座1跟随拉手45向闭合上链条2的方向移动时，左上链钩21的左上钩尾46以及右上链钩25的右上钩尾47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46以及右上钩尾47距离小于上钢卷带34的宽度，使上钢卷带34被扣在左上链钩21以及右上链钩25之内；以及左下链钩29的左下钩尾48以及右下链钩33的右下钩尾49跟随左下链扣26以及右下链扣30移动，左下链扣26与右下链扣30咬合扣接在一起时，左下钩尾48与右下钩尾49距离小于下钢卷带36的宽度，使下钢卷带36被扣在左下链钩29与右下链钩33之内。
所述的左上链条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38跟随拉手45于左上链钩21与右上链钩25之间移动，上钢卷带34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42跟随拉手45于左下链钩29 与右下链钩33之间移动，下钢卷带36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。
所述的左上链条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38跟随拉手45于左上链钩21与右上链钩25之间移动，上钢卷带34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42跟随拉手45于左下链钩29与右下链钩33之间移动，下钢卷带36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。
所述的左上链条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30随着链座1的移动而不断闭合；左下链扣26与右下链扣30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30随着链座1的移动而不断分开。
所述的每个左上防插片20与相邻的左上链扣18动配合连接，每个右上防插片24与相邻的右上链扣22动配合连接；每个左下防插片28与相邻的左下链扣26动配合连接，每个右下防插片32与相邻的右下链扣30动配合连接。
为了减少上钢卷带34以及下钢卷带36移动的摩擦力，上导轮43与上链板38铰接，下导轮44与下链板42铰接；左上链扣18与右上链扣22闭合或者分开时，上钢卷带34与上导轮43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36与下导轮44动配合连接。

Claims (6)

  1. 双层上下防插拉链的使用方法，双层上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)，钢卷尺(4)包括有上钢卷尺(5)以及下钢卷尺(6)，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)设有左上链扣(18)以及左上链布(19)，左上链扣(18)设有左上防插片(20)以及左上链钩(21)；右上链条(13)设有右上链扣(22)以及右上链布(23)，右上链扣(22)设有右上防插片(24)以及右上链钩(25)；左下链条(16)设有左下链扣(26)以及左下链布(27)，左下链扣(26)设有左下防插片(28)以及左下链钩(29)；右下链条(17)设有右下链扣(30)以及右下链布(31)，右下链扣(30)设有右下防插片(32)以及右下链钩(33)；上钢卷尺(5)设有上钢卷带(34)，下钢卷尺(6)设有下钢卷带(36)；链座(1)包括有上链板(38)、上合链柱(39)、中链板(40)、下合链柱(41)以及下链板(42)，上链板(38)设有上导轮(43)，下链板(42)设有下导轮(44)；其特征在于：所述的双层上下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(31)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(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(34)随着上钢卷尺(5)移动被拉出，拉出的上钢卷带(34)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(36)随着下钢卷尺(6)移动被拉出，拉出的下钢卷带(36)被左下链钩(29)与右下链钩(33)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，左上防插片(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，以及右上防插片(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，利用左上防插片(20)挡住一 个左上链扣(18)与另一个左上链扣(18)之间的间隙，利用右上防插片(24)挡住一个右上链扣(22)与另一个右上链扣(22)之间的间隙；左下链条(16)与右下链条(17)闭合时，左下防插片(28)移动到位于一个左下链扣(26)与另一个左下链扣(26)之间的位置，以及右下防插片(32)移动到位于一个右下链扣(30)与另一个右下链扣(30)之间位置，利用左下防插片(28)挡住一个左下链扣(26)与另一个左下链扣(26)之间的间隙，利用右下防插片(32)挡住一个右下链扣(30)与另一个右下链扣(30)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(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)分开；同时，上钢卷带(34)跟随链座(1)反方向移动，上钢卷带(34)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(36)跟随链座(1)反方向移动，下钢卷带(36)在下钢卷尺(6)扭簧的弹力作用下收回下钢卷尺(6)内。
  2. 根据权利要求1所述的双层上下防插拉链的使用方法，其特征在于：所述的防插拉链封闭行李箱时，手抓拉手(45)牵引链座(1)以及外壳(7)移动，左上链扣(18)以及左上防插片(20)由左上链槽(8)导入，右上链扣(22)以及右上防插片(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，左上防插片(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)之间的左上间隙(50)的位置；右上防插片(24)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)之间的右上间隙(51)的位置；左下链扣(26)以及左下防插片(28)由左下链槽(10)导入，右下链扣(29)以及右下防插片(32)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，左下防插片(28)跟随左下链扣(26)移动到一个左下链扣(26)与另一个左下链扣(26)之间的左下间隙(52)的位置；右下防插片(32)跟随右下链扣(30)移动到一个右下链扣(30)与另一个右下链扣(30)之间的右下间隙(53)的位置；同时，上钢卷尺(5)跟随链座(1)移动，上钢 卷带(34)随着上钢卷尺(5)移动被拉出，拉出的上钢卷带(34)被扣在左上链钩(21)以及右上链钩(25)与上链板(38)之间；以及下钢卷尺(6)跟随链座(1)移动，下钢卷带(36)随着下钢卷尺(6)移动被拉出，拉出的下钢卷带(36)被扣在左下链钩(29)以及右下链钩(33)与下链板(42)之间。
  3. 根据权利要求2所述的双层上下防插拉链的使用方法，其特征在于：所述的链座(1)跟随拉手(45)向闭合上链条(2)的方向移动时，左上链钩(21)的左上钩尾(46)以及右上链钩(25)的右上钩尾(47)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(46)以及右上钩尾(47)距离小于上钢卷带(34)的宽度，使上钢卷带(34)被扣在左上链钩(21)以及右上链钩(25)之内；以及左下链钩(29)的左下钩尾(48)以及右下链钩(33)的右下钩尾(49)跟随左下链扣(26)以及右下链扣(30)移动，左下链扣(26)与右下链扣(30)咬合扣接在一起时，左下钩尾(48)与右下钩尾(49)距离小于下钢卷带(36)的宽度，使下钢卷带(36)被扣在左下链钩(29)与右下链钩(33)之内。
  4. 根据权利要求1所述的双层上下防插拉链的使用方法，其特征在于：所述的左上链条(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(38)跟随拉手(45)于左上链钩(21)与右上链钩(25)之间移动，上钢卷带(34)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(42)跟随拉手(45)于左下链钩(29)与右下链钩(33)之间移动，下钢卷带(36)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。
  5. 根据权利要求1所述的双层上下防插拉链的使用方法，其特征在于：所述的左上链条(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(38)跟随拉手(45)于左上链钩(21)与右上链钩(25)之间移动，上钢卷带(34)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(42)跟随拉手(45)于左下 链钩(29)与右下链钩(33)之间移动，下钢卷带(36)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。
  6. 根据权利要求1所述的双层上下防插拉链的使用方法，其特征在于：所述的左上链条(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(30)随着链座(1)的移动而不断闭合；左下链扣(26)与右下链扣(30)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(30)随着链座(1)的移动而不断分开。
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CN105686240A (zh) * 2016-03-13 2016-06-22 郑运婷 双层保护拉链的使用方法
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