Combined frame for an electromechanical box

Abstract

A combined frame for an electromechanical box has eight transversal beams, eight major connectors and four longitudinal columns. Each transversal beam has a body, two side covers and two fasteners. The side covers are securely mounted on the body and each has a fastening hole. The fasteners are respectively connected to the fastening holes of the side covers. Each major connector is connected to two adjacent transversal beams and has an internal surface, an external surface, a bottom, a top, an abutting wall, two through holes and a mounting hole. The longitudinal columns are connected to the major connectors between the transversal beams and each longitudinal column has a body, two minor connectors and two fixing elements. The minor connectors are respectively and securely mounted in the body and are respectively connected to the major connectors.

What is claimed is: 
     
         1 . A combined frame for an electromechanical box having
 eight transversal beams, and each transversal beam having
 a body having two ends; 
 two side covers respectively and securely mounted on the ends of the body, and each side cover having
 an inner side abutting a corresponding end of the body; 
 an outer side; 
 a middle; and 
 a fastening hole formed in the middle of the side cover; and 
 
 two fasteners respectively connected to the fastening holes of the side covers; 
   eight major connectors, and each major connector connected to adjacent two of the transversal beams and having
 an internal surface having
 a middle face; and 
 two side faces formed with the middle face; 
 
 an external surface having two side faces respectively parallel the side faces of the internal surface of the major connector; 
 a bottom; 
 a top; 
 an abutting wall defined on the middle face of the internal surface of the major connector between the side faces of the internal surface of the major connector; 
 two through holes respectively formed through the side faces of the internal surface and the external surface of the major connector and respectively aligning with two of the fastening holes of the adjacent transversal beams to enable the corresponding fasteners to mount through the through holes and to mounted in the corresponding fastening holes; and 
 a mounting hole formed through the abutting wall and the external surface of the major connector above the through holes; 
   four longitudinal columns connected to the major connectors between the transversal beams, and each longitudinal column having
 a body having two ends; 
 two minor connectors respectively and securely mounted on the ends of the body and respectively connected to two of the major connectors, and each minor connector having
 a locating segment mounted in a corresponding mounting hole of the body and having a bottom, a top, a middle and an external surface; 
 a mounting stud formed on and protruding from the top of the locating segment at the middle of the locating segment, abutting the internal surface of a corresponding major connector and having
 an external surface; and 
 a pressing wall formed on the external surface of the mounting stud and facing and abutting the abutting wall of the corresponding major connector; and 
 
 an assembling hole transversally formed through the mounting stud between the pressing wall and the locating segment and aligning with the mounting hole of the corresponding major connector; and 
 
 two fixing elements respectively mounted through the assembling holes of the minor connectors and securely mounted in the mounting holes of the corresponding major connectors to connect the longitudinal column securely with the corresponding major connectors; 
   multiple supporting beams connected between two adjacent longitudinal columns and two of the transversal beams; and   multiple assembling blocks connected between two adjacent supporting beams, and each assembling block having
 a block body securely connected to one of the two adjacent supporting beams and having two sidewalls, a front side and a rear side; 
 two holding wings respectively formed with the sidewalls of the block body and abutting the supporting beam that is securely connected to the block body; 
 a limiting panel formed on and protruding from the front side of the block body and abutting with the other one of the two adjacent supporting beams; and 
 a fastening board formed on and protruding from the rear side of the block body and securely connected to the supporting beam that abuts with the limiting panel. 
   
     
     
         2 . The combined frame as claimed in  claim 1 , wherein
 each side cover has a positioning bar formed on and protruding from the outer side of the side cover; and   each major connector has two positioning slots respectively formed in the side faces of the external surface of the major connector and mounted on the positioning bars of two adjacent transversal beams.   
     
     
         3 . The combined frame as claimed in  claim 2 , wherein
 each major connector has a positioning arm formed on and protruding from the bottom of the major connector along the internal surface of the major connector below the through holes of the corresponding major connector;   the locating segment of each minor connector has a locating recess formed in the external surface of the locating segment at the bottom of the locating segment and mounted on the positioning arm of a corresponding major connector; and   the positioning slots of each major connector are respectively formed in the side faces of the external surface of the major connector from the top to the positioning arm of the major connector.   
     
     
         4 . The combined frame as claimed in  claim 3 , wherein
 each major connector has a positioning recess formed in the abutting wall between the mounting hole and the top of the major connector; and   each minor connector has a locating protrusion formed on and protruding from the pressing wall of the mounting stud above the assembling hole and mounted in the positioning recess of a corresponding major connector.   
     
     
         5 . The combined frame as claimed in  claim 4 , wherein
 the positioning arm of each one of the major connector has an inner face and a mounting slot formed in the inner face of the positioning arm; and   each major connector has a waterproof bar mounted on and abutting the inner face of the positioning arm and engaging the mounting slot of the positioning arm.   
     
     
         6 . The combined frame as claimed in  claim 1 , wherein
 each major connector has a positioning arm formed on and protruding from the bottom of the major connector along the internal surface of the major connector below the through holes of the corresponding major connector; and   the locating segment of each minor connector has a locating recess formed in the external surface of the locating segment at the bottom of the locating segment and mounted on the positioning arm of a corresponding major connector.   
     
     
         7 . The combined frame as claimed in  claim 6 , wherein
 each major connector has a positioning recess formed in the abutting wall between the mounting hole and the top of the major connector; and   each minor connector has a locating protrusion formed on and protruding from the pressing wall of the mounting stud above the assembling hole and mounted in the positioning recess of a corresponding major connector.   
     
     
         8 . The combined frame as claimed in  claim 7 , wherein
 the positioning arm of each one of the major connector has an inner face and a mounting slot formed in the inner face of the positioning arm; and   each major connector has a waterproof bar mounted on and abutting the inner face of the positioning arm and engaging the mounting slot of the positioning arm.