WO2017157238A1

WO2017157238A1 - Double-layered upward insertion-proof zipper

Info

Publication number: WO2017157238A1
Application number: PCT/CN2017/076152
Authority: WO
Inventors: 郑运婷
Original assignee: 郑运婷
Priority date: 2016-03-13
Filing date: 2017-03-09
Publication date: 2017-09-21
Also published as: CN105639883A

Abstract

A double-layered upward insertion-proof zipper, comprising a zipper base (1), an upper chain (2), a lower chain (3), and a steel tape measure (4). The upper chain (2) comprises a left upper chain (9), a right upper chain (10), a zipper head closing element (11), and a zipper tail closing element (12). The lower chain (3) comprises a left lower chain (13) and a right lower chain (14). The steel tape measure (4) comprises a housing (15) and a steel tape strip (16). Corresponding teeth, insertion-proof plates, and tapes are provided on the corresponding chains. When in use, the double-layered upward insertion proof zipper is arranged on a piece of luggage, left upper insertion-proof plates (19) and right upper insertion-proof plates (22) are utilized to close the corresponding gaps between left upper teeth (18) and right upper teeth (21), left lower insertion-proof plates (25) and right lower insertion-proof plates (28) are utilized to close the corresponding gaps between left lower teeth (24) and right lower teeth (27), and the steel tape strip (16) of the steel tape measure (4) is utilized to close the two chains, thus increasing the difficulty for a criminal to open the zipper by inserting a sharp tool.

Description

Double-layer anti-plug zipper

Technical field

The invention relates to a safety zipper, in particular to a double-layer anti-plug zipper.

Background technique

At present, the zipper used in the trunk or the 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, and a double-layer anti-insertion that prevents the zipper from being slid open Zippers have become a need to increase the strength of zippers and theft.

Summary of the invention

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 technical solution adopted by the invention is that the double-layer anti-insertion 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 belt is connected with the chain head sealing member of the upper chain, the steel coil belt is mechanically coupled with the upper left chain and the upper right chain, and the steel coil belt is located above 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 a single material, and the upper left chain buckle is connected with the left upper chain cloth; the upper right chain It has an upper right cuff, an upper right anti-insert and an upper right chain. The upper right cuff and the upper right anti-insert are made of one piece of material. The upper right cuff is connected with the upper right chain. The upper left anti-insert is located between each upper left cuff. Position, the upper right anti-insert is located between each right upper cuff, and the left upper cuff and the upper right cuff are 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 left lower 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 lower right The chain cloth, the lower right cuff and the lower right anti-insert piece are composed of a single 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, the lower right anti-insert Located at the position between each lower right cufflink, using the lower left anti-insert tab And the lower right anti-insert piece seals the gap between the lower left cuff and the lower right cuff, which increases the difficulty of inserting the illegal chain into the upper chain; when the illegal element inserts the upper chain and the lower chain with the sharp weapon, the sharp weapon is blocked by the steel reel It makes 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 upper right chain cloth, the left lower 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. When closing the trunk, 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 buckled by the upper left chain of the upper left chain and the upper right chain of the upper right chain. Above the chain seat, the upper left chain and the upper right chain are closed above the closed mouth; when the upper left chain and the upper right chain are closed, the upper left anti-insert moves to a position between one upper left cuff and the other upper left cuff, and the upper right The anti-insert is moved to a 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, using the upper right The insert blocks the gap between one upper right cuff and the other upper right cuff; and the lower left anti-insert moves to a position between one lower left cuff and the other lower left cuff, and the lower right anti-insert moves to a position Position between the lower right cuff and the other lower right cuff, use the lower left anti-insert to block the gap between one lower lower cuff and the other lower lower cuff, and use the lower right anti-insert to block one lower right cuff and the other a gap between the lower right cuff; increase the difficulty for the criminals to use the sharps to open the zipper; when opening the trunk of the trunk, the hand pulls the chain in the opposite direction by the handle, and the chain follows the handle to move, making the closed upper left The chain is separated from the upper right chain, and the lower left chain is separated from the lower right chain. At the same time, the steel coil is moved in the opposite direction of the chain seat, and the steel coil is retracted in the steel tape under the elastic force of the steel coil torsion spring.

The utility model has the beneficial effects that: when used, the double-layer anti-insert zipper is arranged on the luggage box, 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 a left upper 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. When the illegal elements use the sharps to insert the chain, the sharps are blocked by the steel reel, and the illegal elements are inserted into the zipper. Difficulty.

DRAWINGS

1 is a schematic structural view of an anti-plug zipper on a double layer;

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;

4 is a partial schematic view of the lower left anti-insert tab and the lower right anti-insert tab.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings:

FIG. 1 is a schematic structural view of the double-layer anti-insert zipper shown in FIG. 1, a left side view of FIG. 2, a left upper anti-insert piece and a top right anti-insert piece shown in FIG. 3, and a left lower anti-insert piece shown in FIG. And a partial schematic view of the lower right anti-insert tab; the double-layer anti-plug zipper includes a chain base 1, an upper chain 2, a lower chain 3, and a steel tape measure 4, and the chain base 1 is connected with 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, and 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 sealing member. 12, 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 is The upper left chain slot 5 is connected, the upper right chain 10 is connected to the right upper 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 upper left chain The strip 9 and the upper right chain 10 are movably coupled, and the steel reel 16 is located above the chain base 1; the upper left chain 9 is provided with an upper left clasp 18, a left upper anti-insert 19 and a left upper strut 20, and the upper left clasp 18 and the upper left anti-insert The sheet 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, a right upper protection sheet 22 and an upper right chain cloth 23, and an upper right fastener 21 and an upper right protection tab 22 It 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 22 is located between each upper right cuff 21 The upper left anti-insert tab 19 and the upper right anti-insert tab 22 are used to seal the gap between the upper left clasp 18 and the upper right clasp 21, thereby increasing the difficulty of inserting the illegal chain into the upper chain 2; the lower left chain 13 is provided with a lower left clasp 24; The lower left anti-insert blade 25 and the lower left chain cloth 26, the lower left cuff fastener 24 and the lower left anti-insert tab 25 are made of an integral material, the left lower cufflink 24 is connected to the left lower chain cloth 26; the lower right chain 14 is provided with a lower right cufflink 27, The lower right security tab 28 and the lower right chain fabric 29, the lower right buckle 27 and the lower right security tab 28 are provided by one The material structure of the body, the lower right cuff 27 is connected to the lower right chain 29; the lower left anti-insert 25 is located between each lower left cuff 24, and the lower right anti-insert 28 is located at each lower right cuff 27 The position between the lower left anti-insert tab 25 and the lower right anti-insert tab 28 encloses the lower left cuff 22 and the lower right cuff 27 The gap between them increases the difficulty of inserting the unscrupulous molecule into the chain 2; when the illegal molecule inserts the upper chain 2 and the lower chain 3 with the sharp weapon, the sharp weapon is blocked by the steel coil 16 so that the illegal molecules are difficult to insert the upper chain 2 and the lower Chain 3.

In order to move the steel coil 16 following the chain base 1 while keeping the steel coil 16 from the chain base 1, the upper left buckle 18 is provided with a left hook 30, and the upper right buckle 21 is provided with a right hook 31; the upper left chain 20 The right upper chain cloth 23, the lower left chain cloth 26 and the lower right chain cloth 29 are connected with the chain head sealing member 11 and the chain tail sealing member 12; the steel coil belt 16 is mechanically coupled with the upper left fastener 18 and the upper right fastener 21, and the steel coil The belt 16 is located between the left hook 30 and the right hook 31. The left hook 30 and the right hook 31 are located above the upper left chain slot 5 and the upper right chain slot 6, and the left hook 30 and the right hook 31 are used to hook the steel. Tape and reel 16.

In order to implement the closing and separating functions of the upper chain 2 and the lower chain 3, the chain base 1 includes an upper chain plate 32, an upper chain column 33, a middle chain plate 34, a lower chain column 35 and a lower chain plate 36, and an upper chain plate 32 is connected to the upper chain 33, the upper chain 33 is connected to the middle chain 34, the middle chain 34 is connected to the lower chain 35, and the lower chain 35 is connected to the lower chain 36; or, the upper plate 32. The upper chain 33, the middle chain 34, the lower chain 35 and the lower chain 36 are made of an integral material; the upper chain 33 is provided with a guide wheel 41, and the steel coil 16 passes through the guide wheel 41 and the chain head. The sealing member 11 is connected; the outer casing 15 of the steel tape measure 4 is connected to the upper chain plate 32; the upper left chain groove 5 is formed by the upper chain plate 32 and the middle chain plate 34 and the left side of the upper chain column 33, and the upper left chain groove 5 is located at the upper chain. The left upper chain groove 6 is composed of the upper chain plate 32 and the middle chain plate 34 and the right side of the upper chain column 33, the right chain groove 6 is located at the right side of the upper chain column 33; the lower left chain groove 7 is provided by the middle chain plate 34 and the lower link plate 36 are formed on the left side of the lower link column 35, the left lower chain groove 7 is located on the left side of the lower link column 35; the right lower link groove 8 is defined by the middle link plate 34 and the lower link plate 36 and the lower link column 35. The right left side, The lower right chain groove 8 is located to the right of the lower chain column 35.

In order to implement the movement of the steel reel 16 between the left hook 30 and the right hook 31, and the implementation of the upper link 32 between the left hook 30 and the right hook 31, and without leaving the left hook 30 and the right The hook 31; the distance between the left hook 30 and the right hook 31 is greater than the width of the steel coil 16, so that the steel coil 16 can move between the left hook 30 and the right hook 31; the left hook 30 and The distance between the right hooks 31 is greater than the width of the upper link 32, so that the upper link 32 can move between the left hook 30 and the right hook 31; the left hook 45 of the left hook 30 to the right hook 31 The distance of the right hook tail 46 is smaller than the width of the steel coil 16; the steel coil 16 is located between the upper link 32 and the left hook tail 45 and the right hook tail 46; so that the steel coil 16 cannot be separated from the left hook 30 and the right Hook 31.

In order to implement the dynamic fit connection between the upper left buckle 18 and the upper right buckle 21, and the dynamic fit connection between the lower left buckle 22 and the lower right buckle 27; the upper left gap between one upper left buckle 18 and the other upper left buckle 18 37 is larger than the width of the upper left anti-insert blade 19 by 0.2 mm to 0.5 mm; the upper right gap 38 between one upper right cuff 21 and the other upper right cuff 21 is 0.2 mm to 0.5 mm larger than the width of the upper right anti-insert 22; The lower left gap 39 between the cuff 22 and the other lower left cuff 22 is 0.2 mm to 0.5 mm larger than the width of the lower left anti-insert 25; the lower right between the lower right cuff 27 and the other lower right cuff 27 The gap 40 is 0.2 mm to 0.5 mm larger than the width of the lower right insert 28; the width of the upper left clasp 18 is equal to the width of the upper right clasp 21; the width of the upper left anti-insert 19 is equal to the width of the upper right anti-insert 22; The width of the upper left clasp 18 is equal to the width of the upper left anti-insert sheet 19, and the width of the upper right clasp 21 is equal to the width of the upper right anti-insert tab 22; the width of the lower left clasp 22 is equal to the width of the lower right clasp 27; The width of the tab 25 is equal to the width of the lower right anti-insert tab 28; the lower left clasp The width of 22 is equal to the width of the lower left anti-insert tab 25, and the width of the lower right clasp 27 is equal to the width of the lower right anti-insert tab 28; the width of the upper left clasp 18 is equal to the width of the lower left clasp 22, and the upper right clasp 21 The width is equal to the width of the lower right clasp 27; the width of the upper left anti-insert sheet 19 is equal to the width of the lower left anti-insert tab 25, and the width of the upper right anti-insert tab 22 is equal to the width of the lower right anti-insert tab 28.

In order to lock the chain base 1 with a lock, the steel tape measure 4 is provided with a dynamic lock hole 42, and the chain tail seal member 12 is provided with a fixed lock hole 43 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 upper right chain cloth 23, the left lower chain cloth 26, and the lower right chain cloth 29 to the trunk of the trunk when used, and the steel tape measure 4 is The handle 44 is located outside the luggage; when the luggage is closed, the hand grip 44 pulls the steel tape measure 4 and the chain base 1 to move, and the chain base 1 follows the handle 44 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 upper side of the chain base 1 by the upper left chain buckle 18 of the upper left chain 9 and the upper right chain buckle 21 of the upper right chain 10, and the upper left chain 9 and the closed upper opening of the upper right chain 10 are sealed; the upper left chain 9 and the upper right side When the chain 10 is closed, the upper left anti-insert blade 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 between one upper right cuff 21 and the other upper right cuff. Position between 21, using the upper left anti-insert 19 to block a top left The gap between the fastener 18 and the fastener chain 18 to another upper-left, upper-right using anti tabs 22 block a right upper clasps 21 and the gap 21 between the upper right of another fastener chain; to And the lower left anti-insert blade 25 is moved to a position between one lower left cuff 24 and the other lower left cuff 24, and the lower right anti-insert 28 is moved to be located between one lower right cuff 27 and the other lower right cuff 27 In the inter-position, the left lower anti-insert tab 24 is used to block the gap between one lower left cuff 24 and the other lower left cuff 24, and the lower right anti-insert tab 28 is used to block one lower right cuff 27 and the other lower right cuff 27 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 44 by hand, and the chain base 1 follows the handle 44 to move, so that the closed upper left chain 9 Separating from the upper right chain 10 and separating the lower left chain 13 from the lower right chain 14; at the same time, the steel coil 16 moves in the opposite direction of the chain base 1, and the steel coil 16 retracts the steel tape 4 under the elastic force of the torsion spring of the steel tape measure 4. Inside.

When the anti-plug zipper closes the trunk, the gripping handle 44 pulls the outer casing 15 and the chain base 1 to move, the upper left clasp 18 and the upper left anti-insert tab 19 are introduced by the upper left chain slot 5, and the upper right clasp 21 and the upper right anti-insert tab 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 and the upper right chain slot 6 engages the upper left buckle 18 and the upper right buckle 21, and the left lower buckle 24 and the lower right chain slot 8 are used to engage the lower left buckle 24 and the lower right buckle 27; meanwhile, the upper left protection tab 19 follows the left upper clasp 18 to move to the position of the upper left gap 37 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 position of the upper right gap 38 between the cuffs 21; the lower left anti-insert 25 follows the position of the lower left cuff 24 moving to the lower left gap 39 between one lower left cuff 24 and the other lower left cuff 24; the lower right anti-insert 28 follows the lower right cuff 27 to move to one lower right cuff 27 and the other lower right cuff 27 At the same time, the steel tape measure 4 moves along with the chain block 1, and the steel tape 16 is pulled out as the steel tape measure 4 moves, and the drawn steel tape 16 is left-tailed by the left hook 30 45 and the right hook 46 of the right hook 31 are fastened in the left hook 30 and the right hook 31, and the drawn steel reel 16 is located between the upper link 32 and the left hook 45 and the right hook 46.

When the upper left buckle 18 and the upper upper buckle 21 are snap-fitted together, the distance between the left hook 45 of the left hook 30 and the right hook 46 of the right hook 31 is smaller than the width of the steel coil 16, so that the steel coil 16 is The buckle is in the left hook 30 and the right hook 31 to prevent the steel coil 16 from coming off the left hook 30 and the right hook 31; when the upper left chain 9 and the upper right chain 10 are snap-fitted together, the steel tape 4 follows the chain seat 1 moving, the upper chain plate 32 follows the handle 44 to move between the left hook 30 and the right hook 31, and the length of the steel coil 16 being pulled out is proportional to the length of the upper left chain 9 and the upper right chain 10 closed. When the upper left chain 9 is separated from the upper right chain 10, the steel tape measure 4 moves in the opposite direction of the chain base 1, and the upper link plate 32 follows the handle 44 to move between the left hook 30 and the right hook 31, and the steel coil 16 is recycled. The length within the steel tape measure 4 is proportional to or equal to the length separating the upper left chain 9 from the upper right chain 10.

When the upper chain 2 and the lower chain 3 are closed, the chain base 1 moves in the direction of the chain sealing member 12, and the upper chain 2 and the lower chain 3 are 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 are continuously separated as the chain base 1 moves. 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 dynamically mated with an adjacent upper right clasp 21; each lower left anti-insert 25 is adjacent to the lower left The clasps 24 are movably coupled, and each of the lower right anti-insert tabs 28 is movably coupled to the adjacent lower right clasp 27.

The guide wheel 41 is hinged to the upper chain plate 30. When the steel coil 16 is pulled out by the steel tape measure 4, the steel coil 16 presses against the guide wheel 41, and the steel coil 16 drives the guide wheel 41 to rotate, reducing the steel coil 16 and the guide. The friction of the wheel 41; when the steel coil 16 is retracted by the steel tape measure 4, the steel coil 16 presses against the guide wheel 41, and the steel coil 16 drives the guide wheel 41 to rotate, reducing the friction between the steel coil 16 and the guide wheel 41.

Claims

The double-layer anti-plug zipper is characterized in that: the double-layer anti-insert zipper comprises a chain base (1), an upper chain (2), a lower chain (3) and a steel tape measure (4), a chain seat (1) ) is connected to the upper chain (2), the lower chain (3), and the steel tape measure (4); the chain seat (1) is provided with an upper left chain groove (5), an upper right chain groove (6), a lower left chain groove (7), and a right a lower 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 sealing member (12), and the lower chain (3) includes a lower left chain Chain (13) and right lower chain (14); upper left chain (9), upper right chain (10), lower left chain (13) and lower right chain (14) and chain closure (11) and chain closure ( 12) connection; the upper left chain (9) is 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 left chain slot (7), and the lower right chain (7) is connected. 14) connected to the lower right chain groove (8); the steel tape measure (4) comprises a casing (15) and a steel coil (16), a head end (17) of the steel coil (16) and an upper chain (2) The chain head sealing member (11) is connected, the steel coil belt (16) is dynamically coupled with the upper left chain (9) and the upper right chain (10), and the steel coil belt (16) is located above the chain seat (1) The upper left chain (9) is provided with an upper left clasp (18), a left upper anti-insert (19) and a left upper cleat (20), and the upper left clasp (18) and the upper left anti-insert (19) are composed of an integral material, upper left The cufflinks (18) are connected to the left upper chain cloth (20); the upper right chain (10) is provided with an upper right cufflink (21), an upper right anti-insert tab (22) and an upper right chain fabric (23), and an upper right clasp (21) and The upper right anti-insert tab (22) is composed of a single material, the upper right cufflink (21) is connected to the upper right chain cloth (23); the upper left anti-insert tab (19) is located between each upper left cufflink (18), upper right The anti-insert piece (22) is located between each right upper cuff (21), and the upper left cuff (18) and the upper right cuff (21) are sealed by the upper left anti-insert (19) and the upper right anti-insert (22). The gap between them increases the difficulty of inserting the unlawful molecule into the upper chain (2); the lower left chain (13) is provided with a lower left cuff (24), a lower left anti-insert (25) and a lower left chain (26), and the lower left chain The buckle (24) and the lower left protection insert (25) are composed of a single material, the lower left buckle (24) is connected with the left lower chain cloth (26); the lower right chain (14) is provided with a lower right buckle (27), right The lower anti-insert (28) and the lower right link (29), the lower right cuff (27) and the lower right anti-insert (28) are The material composition of the body, the lower right cufflink (27) is connected to the lower right chain cloth (29); the lower left anti-insert tab (25) is located between each lower left cufflink (24), and the lower right anti-insert tab (28) ) at the position between each lower right cuff (27), the left lower cuff (22) and the lower right cuff (27) are sealed by the lower left anti-insert tab (25) and the lower right anti-insert tab (28). The gap between the two increases the difficulty of inserting the unscrupulous chain into the upper chain (2); when the illegal element inserts the upper chain (2) and the lower chain (3) with the sharp weapon, the sharp weapon is blocked by the steel coil (16), making it difficult for the criminals Insert the upper chain (2) and the lower chain (3); the upper left buckle (18) is provided with a left hook (30), the upper right buckle (21) provided with a right hook (31); a left upper chain cloth (20), a right upper chain cloth (23), a left lower chain cloth (26), and a lower right chain cloth (29) and a chain head sealing member (11) and a chain The tail seal member (12) is connected; the steel coil belt (16) is mechanically coupled with the upper left fastener (18) and the upper right fastener (21), and the steel coil (16) is located at the left hook (30) and the right hook ( Between 31), the left hook (30) and the right hook (31) are located above the upper left chain groove (5) and the upper right chain groove (6), and the left hook (30) and the right hook (31) are hooked. Live the steel coil (16).
The double-layer anti-insertion zipper according to claim 1, wherein the chain base (1) comprises an upper chain plate (32), an upper chain column (33), a middle chain plate (34), a lower chain column (35) and a lower chain plate (36), the upper chain plate (32) is connected with the upper chain column (33), and the upper chain column (33) is connected with the middle chain plate (34), the middle chain plate (34) is connected to the lower chain column (35), and the lower chain column (35) is connected to the lower chain plate (36); or, the upper chain plate (32), the upper chain column (33), the middle chain plate ( 34), the lower chain column (35) and the lower chain plate (36) are composed of an integral material; the upper chain plate (33) is provided with a guide wheel (41), and the steel coil (16) passes through the guide wheel (41) and The chain head sealing member (11) is connected; the outer casing (15) of the steel tape measure (4) is connected with the upper chain plate (32); the distance between the left hook (30) and the right hook (31) is greater than the steel tape ( The width of 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 upper The width of the link plate (32) enables the upper link plate (32) to move between the left hook (30) and the right hook (31); the left hook (45) of the left hook (30) to the right bend The distance between the right hook tail (46) of the hook (31) is smaller than the width of the steel coil (16); steel The tape (16) is located between the upper chain plate (32) and the left hook tail (45) and the right hook tail (46); so that the steel coil tape (16) cannot be separated from the left hook (30) and the right hook (31) ).
The double-layer anti-insertion zipper according to claim 2, characterized in that: the upper left chain groove (5) is composed of an upper chain plate (32) and a middle chain plate (34) and an upper chain column (33) The left side is formed, the upper left chain groove (5) is located on the left side of the upper chain column (33); the upper right chain groove (6) is the upper side of the upper chain plate (32) and the middle chain plate (34) and the upper chain column (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 composed of the middle chain plate (34) and the lower side of the lower chain plate (36) and the lower chain column (35). The lower left chain groove (7) is located on the left side of the lower chain column (35); the right lower chain groove (8) is defined by the middle chain plate (34) and the lower chain plate (36) and the lower left side of the lower chain column (35) The right lower chain groove (8) is located on the right side of the lower chain column (35).
The double-layer anti-insertion zipper according to claim 1, wherein the width of the upper left cufflink (18) is equal to the width of the upper right cufflink (21); the width of the upper left anti-insert tab (19) The width is equal to the width of the upper right anti-insert tab (22); the width of the upper left clasp (18) is equal to the width of the upper left anti-insert tab (19), the width of the upper right clasp (21) and the upper right anti-insert (22) The width is equal; the width of the lower left cuff (22) is equal to the width of the lower right cuff (27); the width of the lower left anti-insert (25) is equal to the width of the lower right anti-insert (28); the lower left cuff (22 The width is equal to the width of the lower left anti-insert tab (25), the width of the lower right cufflink (27) is equal to the width of the lower right anti-insert tab (28); the width of the upper left cufflink (18) is opposite to the lower left cufflink ( 22) The width is equal, the width of the upper right cuff (21) is equal to the width of the lower right cuff (27); the width of the upper left anti-insert (19) is equal to the width of the lower left anti-insert (25), and the upper right is inserted. The width of the sheet (22) is equal to the width of the lower right tab (28).