Retractable enclosure zipper and double-layer retractable enclosure zipper

Abstract

A retractable enclosure zipper and a double-layer retractable enclosure zipper. The retractable enclosure zipper includes: a first zipper cloth, a second zipper cloth, a retractable cloth, and a support structure. The first zipper cloth is arranged with first zipper teeth, and the second zipper cloth is arranged with second zipper teeth; the retractable cloth is connected to the first zipper cloth and the second zipper cloth; the support structure is disposed close to the first zipper teeth and is disposed on an inner side of the retractable cloth; the support structure includes a supporting cloth and a support member; the supporting cloth and the retractable cloth enclose to define a receiving space, and the support member is disposed in the receiving space; a width of the support member is greater than or equal to a width of the first zipper teeth and the second zipper teeth when engaged.

What is claimed is: 
     
         1 . A retractable enclosure zipper, comprising: a first zipper cloth, a second zipper cloth, a retractable cloth, and a support structure; wherein the first zipper cloth is arranged with first zipper teeth, and the second zipper cloth is arranged with second zipper teeth; an end of the retractable cloth is connected to the first zipper cloth, and another end of the retractable cloth is connected to the second zipper cloth; the support structure is disposed close to the first zipper teeth and is disposed on an inner side of the retractable cloth; the support structure comprises a supporting cloth and a support member; the supporting cloth and the retractable cloth enclose to define a receiving space, and the support member is disposed in the receiving space; a width of the support member is greater than or equal to a width of a combination of the first zipper teeth and the second zipper teeth when engaged, for supporting the first zipper teeth, the second zipper teeth, and the retractable cloth. 
     
     
         2 . The retractable enclosure zipper according to  claim 1 , wherein the supporting cloth comprises a first fixing cloth and a second fixing cloth that are connected together by an inner zipper. 
     
     
         3 . The retractable enclosure zipper according to  claim 2 , wherein an end of the first fixing cloth away from the inner zipper is aligned with the retractable cloth and is fixed to the retractable cloth and the first zipper cloth by sewing; an end of the second fixing cloth away from the inner zipper is fixed to the retractable cloth by sewing. 
     
     
         4 . The retractable enclosure zipper according to  claim 2 , wherein a part on an end of the retractable cloth is folded to form the first fixing cloth, and the part is sewn and fixed to the first zipper cloth. 
     
     
         5 . The retractable enclosure zipper according to  claim 1 , wherein the receiving space is annular in shape, and the support member is arranged with a support surface facing the retractable cloth; the support surface is arranged in a horizontal direction. 
     
     
         6 . The retractable enclosure zipper according to  claim 1 , wherein the support member is hollow. 
     
     
         7 . The retractable enclosure zipper according to  claim 1 , wherein the first zipper teeth are arranged to be inverted on an inner side of the first zipper cloth, and the second zipper teeth are arranged to be inverted on an inner side of the second zipper cloth. 
     
     
         8 . The retractable enclosure zipper according to  claim 1 , wherein the support member is made of plastic, metal, wood, leather, carbon fiber, or foam material. 
     
     
         9 . A double-layer retractable enclosure zipper, comprising two retractable enclosure zippers according to  claim 1 ; wherein for the first zipper cloth of each of the two retractable enclosure zippers, an end of the first zipper cloth away from the first zipper teeth is arranged with main zipper teeth; two the first zipper cloths of the two retractable enclosure zippers are configured to be connected via the main zipper teeth.