Zipper structure for suitcases, and trolley bag

Abstract

Provided is a zipper structure for suitcases, including a zipper strip. The zipper strip includes a front chain belt and a rear chain belt, and also includes a front frame strip and a rear frame strip. The front frame strip is bonded on the front case of the suitcase by thermal pressing. The rear frame strip is bonded on the rear case of the suitcase by thermal pressing. The front chain belt is connected to the front frame strip through the front zipper fixing coil. The rear chain belt is connected to the rear frame strip through the rear zipper fixing coil. Also disclosed is a trolley bag utilizing the zipper structure for suitcases as described. The zipper structure and trolley bag as provided cancels the traditional manual sew process and realize the automatic production for zipper suitcases.

What is claimed is: 
     
         1 . A zipper structure for suitcases, comprising a zipper strip ( 3 ); the zipper strip ( 3 ) comprises a front chain belt ( 31 ) and a rear chain belt ( 32 ); characterized by further comprising a front frame strip ( 1 ) and a rear frame strip ( 2 ); the front frame strip ( 1 ) is attached to the front case ( 10 ) of the suitcase; the rear frame strip ( 2 ) is attached to the rear case ( 20 ); the front chain belt ( 31 ) is connected to the front frame strip ( 1 ) through a front zipper fixing coil ( 4 ); the rear chain belt ( 32 ) is connected to the rear frame strip ( 2 ) through a rear zipper fixing coil ( 5 ). 
     
     
         2 . The zipper structure for suitcases according to  claim 1 , wherein a first extension portion ( 14 ) and a second extension portion ( 15 ) are arranged at intervals on the front frame strip ( 1 ); a first clamping slot ( 16 ) capable of receiving the insertion of the front case ( 10 ) is formed between the first extension portion ( 14 ) and the second extension portion ( 15 ). 
     
     
         3 . The zipper structure for suitcases according to  claim 1 , wherein a third extension portion ( 24 ) and a fourth extension portion ( 25 ) are arranged on the rear frame strip ( 2 ) at intervals; a second clamping slot ( 26 ) capable of receiving the insertion of the rear case ( 20 ) is formed between the third extension portion ( 24 ) and the fourth extension portion ( 25 ). 
     
     
         4 . The zipper structure for suitcases according to  claim 1 , wherein a first locking strip portion ( 41 ) of the front zipper fixing coil ( 4 ) is inserted into a first locking groove ( 11 ) of the front frame strip ( 1 ); a second locking strip portion ( 51 ) of the rear zipper fixing coil ( 5 ) is inserted into a second locking groove ( 21 ) of the rear frame strip ( 2 ). 
     
     
         5 . The zipper structure for suitcases according to  claim 1 , wherein the zipper structure also includes a front lining fixing coil ( 6 ) and a rear lining fixing coil ( 7 ); the front lining fixing coil ( 6 ) is connected to a front lining ( 91 ) of the suitcase; the rear lining fixing coil ( 7 ) is connected to a rear lining ( 92 ) of the suitcase; the front frame strip ( 1 ) is provided with a third clamping groove ( 12 ) into which a third clamping strip portion ( 61 ) of the front lining fixing coil ( 6 ) is inserted; the rear frame strip ( 2 ) is provided with a fourth clamping groove ( 22 ) into which a fourth clamping strip portion ( 71 ) of the rear lining fixing coil ( 7 ) is inserted. 
     
     
         6 . The zipper structure for suitcases according to  claim 1 , wherein the front frame strip ( 1 ) is provided with a recessed portion ( 13 ); the rear frame strip ( 2 ) is provided with a protrusion portion ( 23 ); when the zipper strip ( 3 ) is closed, the recessed portion ( 13 ) and the protrusion portion ( 23 ) are engaged together. 
     
     
         7 . The zipper structure for suitcases according to  claim 1 , wherein the front lining fixing coil ( 6 ) is sewn on the front lining ( 91 ); the rear lining fixing coil ( 7 ) is sewn on the rear lining ( 92 ). 
     
     
         8 . A trolley bag, wherein the trolley bag using the zipper structure for suitcases according to  claim 1 . 
     
     
         9 . The trolley bag according to  claim 8 , wherein the trolley bag further comprises a rear cover ( 8 ); the rear cover ( 8 ) is arranged on the trolley bag; the rear cover ( 8 ) is configured to cover a joint seam of the front frame strip ( 1 ) and the rear frame strip ( 2 ); two ends of the rear cover ( 8 ) are foot nails ( 81 ) that play a supporting role; a middle part of the rear cover ( 8 ) is a soft rubber portion ( 82 ). 
     
     
         10 . The trolley bag according to  claim 8 , wherein a plurality of decorative strips ( 80 ) arranged vertically are provided on an outer surface of the trolley bag; the decorative strip ( 80 ) is blade-shaped.