Luggage case and case body structure thereof

Abstract

A case body structure of a luggage case includes a case top member, a case bottom member and a sidewall member that are independent components. Each of the case top member and the case bottom member is a hard structure. The sidewall member includes a wall plate and a cover plate. The wall plate includes a connecting section, two installation sections, and an installation breach defined and formed by the two installation sections. The cover plate is disposed correspondingly to the installation breach. The cover plate and the wall plate define a hollow cavity. The case top member and the case bottom member are respectively disposed at two ends of the sidewall member to enclose the hollow cavity. The cover plate selectively opens relative to the wall plate to allow an object to be placed into or taken out of the hollow cavity.

1 . A case body structure of a luggage case, comprising:
 a case top member and a case bottom member, each of the case top member and the case bottom member being a hard structure; and   a sidewall member, comprising a wall plate and a cover plate, the wall plate comprising a connecting section, two installation sections respectively integrally extended from two opposite lateral sides of the connecting section and perpendicular to the connection section, and an installation breach defined and formed by the two installation sections, the cover plate corresponding to the installation breach and disposed on the two installation sections, the cover plate and the wall plate defining a hollow cavity;   wherein, each of the case top member, the case bottom member and the sidewall member is an independent component, the case top member and the case top member are respectively disposed at two ends of the sidewall member to enclose the hollow cavity, and the cover plate selectively opens relative to the wall plate to allow an object to be placed into or taken out of the hollow cavity.   
     
     
         2 . The case body structure of a luggage case of  claim 1 , wherein a width of the connecting section of the wall plate is greater than a width of each of the installation sections, and a width of the installation breach is smaller than or equal to the width of the connecting section and greater than the width of each of the installation sections. 
     
     
         3 . The case body structure of a luggage case of  claim 2 , wherein the wall plate comprises a support element and a flexible outer layer clad on the support element, the flexible outer layer is assembled to the case top member and the case bottom member, and two ends of the support element are respectively abutted against the case top member and the case bottom member to cause the flexible outer layer to be tightened relative to the support element. 
     
     
         4 . The case body structure of a luggage case of  claim 3 , wherein each of the case top member and the case bottom member comprises an assembly groove for abutting and connecting with the sidewall member. 
     
     
         5 . The case body structure of a luggage case of  claim 3 , wherein the flexible outer layer is selected from the group consisting of textile, nylon, leather and polyvinyl chloride (PVC). 
     
     
         6 . The case body structure of a luggage case of  claim 1 , wherein the wall plate is a formed integral made of a hard plastic material. 
     
     
         7 . The case body structure of a luggage case of  claim 6 , wherein each of the case top member and the case bottom member comprises an assembly groove for abutting and connecting with the sidewall member. 
     
     
         8 . The case body structure of a luggage case of  claim 1 , further comprising at least two suture shutters, each of the suture shutters being disposed at a seam of the case top member and the sidewall member or the case bottom member and the sidewall member, and each of the suture shutters comprising a connecting portion being deep into the seam and a shutter portion integrally extended from the connecting portion and protruding out of the seam. 
     
     
         9 . (canceled) 
     
     
         10 . A luggage case, comprising:
 the case body structure of  claims 1 ,  3 , and  8 ;   a pull handle, assembled with the case body structure; and   a pull handle positioning module, comprising a support sleeve disposed on the case top member and allowing the pull handle to be inserted therein and to perform a back-and-forth movement, and a limiting element disposed in the support sleeve and limiting or allowing the pull handle to perform the back-and-forth movement relative to the support sleeve.   
     
     
         11 . The luggage case of  claim 10 , wherein the case top member comprises an installation opening in communication with the hollow cavity and allowing the support sleeve to be correspondingly disposed, and the support sleeve is further located in the hollow cavity. 
     
     
         12 . The luggage case of  claim 11 , further comprising a plurality of rollers that are disposed on the case bottom member, the case bottom member comprises a plurality of assembly holes in a quantity corresponding to the rollers, and the assembly holes are respectively assembled to the rollers. 
     
     
         13 . The luggage case of  claim 10 , wherein the pull handle comprises an outer tube assembled to the case body structure, and an inner tube inserted in the outer tube and capable of stretching and retracting relative to the outer tube.