Explosion-proof zipper

Abstract

An explosion-proof zipper relating to the field of zipper technology is provided. The explosion-proof zipper includes a first zipper, a second zipper, a left extension tape, a right extension tape, and a slider. The first zipper includes a first left zipper tape, a first right zipper tape, a first left zipper tooth sewn to one end of the first left zipper tape, and a first right zipper tooth sewn to one end of the first right zipper tape. The second zipper includes a second left zipper tape, a second right zipper tape, a second left zipper tooth sewn to one end of the second left zipper tape, and a second right zipper tooth sewn to one end of the second right zipper tape.

What is claimed is: 
     
         1 . An explosion-proof zipper, comprising:
 a first zipper ( 1 ), including a first left zipper tape ( 11 ), a first right zipper tape ( 12 ), a first left zipper tooth ( 13 ) sewn to one end of the first left zipper tape ( 11 ), and a first right zipper tooth ( 14 ) sewn to one end of the first right zipper tape ( 12 );   a second zipper ( 2 ), including a second left zipper tape ( 21 ), a second right zipper tape ( 22 ), a second left zipper tooth ( 23 ) sewn to one end of the second left zipper tape ( 21 ), and a second right zipper tooth ( 24 ) sewn to one end of the second right zipper tape ( 22 );   a left extension tape ( 3 ), wherein one end of the left extension tape ( 3 ) is integrally woven with the first left zipper tape ( 11 ) and the second left zipper tape ( 21 );   a right extension tape ( 4 ), wherein one end of the right extension tape ( 4 ) is integrally woven with the first right zipper tape ( 12 ) and the second right zipper tape ( 22 ); and   a slider, used to enable the first left zipper tooth ( 13 ) and the first right zipper tooth ( 14 ) to be fittingly engaged to or disengaged from each other, and to enable the second left zipper tooth ( 23 ) and the second right zipper tooth ( 24 ) to be fittingly engaged to or disengaged from each other.   
     
     
         2 . The explosion-proof zipper according to  claim 1 , wherein the first left zipper tooth ( 13 ) is sewn to an outer side of the first left zipper tape ( 11 ) through a sewing line ( 7 ), and the first right zipper tooth ( 14 ) is sewn to an outer side of the first right zipper tape ( 12 ) through the sewing line ( 7 ); the second left zipper tooth ( 23 ) is sewn to an outer side of the second left zipper tape ( 21 ) through the sewing line ( 7 ), and the second right zipper tooth ( 24 ) is sewn to an outer side of the second right zipper tape ( 22 ) through the sewing line ( 7 ). 
     
     
         3 . The explosion-proof zipper according to  claim 2 , wherein the first zipper ( 1 ) further includes a third left zipper tooth ( 15 ) sewn to an inner side of the first left zipper tape ( 11 ), and a third right zipper tooth ( 16 ) sewn to an inner side of the first right zipper tape ( 12 ). 
     
     
         4 . The explosion-proof zipper according to  claim 1 , wherein the first left zipper tooth ( 13 ) is sewn to an inner side of the first left zipper tape ( 11 ) through the sewing line ( 7 ), and the first right zipper tooth ( 14 ) is sewn to an inner side of the first right zipper tape ( 12 ) through the sewing line ( 7 ); the second left zipper tooth ( 23 ) is sewn to an inner side of the second left zipper tape ( 21 ) through the sewing line ( 7 ), and the second right zipper tooth ( 24 ) is sewn to an inner side of the second right zipper tape ( 22 ) through the sewing line ( 7 ). 
     
     
         5 . The explosion-proof zipper according to  claim 1 , wherein a tooth gap where the first left zipper tooth ( 13 ) and the first right zipper tooth ( 14 ) are fittingly engaged and a tooth gap where the second left zipper tooth ( 23 ) and the second right zipper tooth ( 24 ) are fittingly engaged are misaligned. 
     
     
         6 . The explosion-proof zipper according to  claim 1 , wherein a size of the first left zipper tooth ( 13 ) differs from a size of the second left zipper tooth ( 23 ). 
     
     
         7 . The explosion-proof zipper according to  claim 1 , wherein a width of the first zipper ( 1 ) is greater than a width of the second zipper ( 2 ). 
     
     
         8 . The explosion-proof zipper according to  claim 1 , wherein the slider includes a first slider ( 5 ) and a second slider ( 6 ) that are separately arranged, the first slider ( 5 ) is used to enable the first left zipper tooth ( 13 ) and the first right zipper tooth ( 14 ) to be fittingly engaged to or disengaged from each other, and the second slider ( 6 ) is used to enable the second left zipper tooth ( 23 ) and the second right zipper tooth ( 24 ) to be fittingly engaged to or disengaged from each other. 
     
     
         9 . The explosion-proof zipper according to  claim 1 , wherein the slider is a dual-layer slider ( 8 ) arranged integrally, a first layer of the dual-layer slider ( 8 ) is used to enable the first left zipper tooth ( 13 ) and the first right zipper tooth ( 14 ) to be fittingly engaged to or disengaged from each other, and a second layer of the dual-layer slider ( 8 ) is used to enable the second left zipper tooth ( 23 ) and the second right zipper tooth ( 24 ) to be fittingly engaged to or disengaged from each other. 
     
     
         10 . The explosion-proof zipper according to  claim 9 , wherein the dual-layer slider ( 8 ) is provided with a top plate ( 81 ), a middle plate ( 82 ), and a bottom plate ( 83 ) sequentially from top to bottom, the top plate ( 81 ) is connected to the middle plate ( 82 ) through a first guide column ( 84 ), the middle plate ( 82 ) is connected to the bottom plate ( 83 ) through a second guide column ( 85 ); the top plate ( 81 ), the middle plate ( 82 ), and the first guide column ( 84 ) form the first layer of the dual-layer slider ( 8 ), and the middle plate ( 82 ), the bottom plate ( 83 ), and the second guide column ( 85 ) form the second layer of the dual-layer slider ( 8 ); wherein a front end of the bottom plate ( 83 ) is arranged at a rear side of a front end of the first guide column ( 84 ).