Corner piece used in rapid building system

Abstract

The present invention provides a corner piece used in rapid building system, comprising an upper cover, a lower cover, and an intermediate profile; said upper cover and said lower cover are mounted at the ends of said intermediate profile, and at least one groove 1 is arranged on the surface of said upper cover and said lower cover; said intermediate profile has groove 2 connected to said groove 1 on one side. The advantages of the present invention include: reusable and environmentally friendly; allowing for quick and easy disassembly and assembly; accurate installation with minimal error; ensuring a flush appearance of the booth wall; capable of forming a 90-degree corner by connecting to building modules; through the interconnection of multiple corner pieces, the length and thickness of the building modules are adjustable, thereby enriching the range of applications.

What is claimed is: 
     
         1 . A corner piece used in rapid building system, characterized by comprising an upper cover, a lower cover, and an intermediate profile;
 Said upper cover and said lower cover are mounted at the ends of said intermediate profile;   The surfaces of said upper cover and said lower cover each have at least one groove  1 ;   Said intermediate profile has a groove  2  on one side for connecting to a snap-fit fabric;   Said upper cover and said lower cover have a boss and a connecting block at their bottoms.   
     
     
         2 . The corner piece used in rapid building system according to  claim 1 , characterized in that the intermediate profile is equipped with at least one of the following: a positioning pin, a said positioning bolt holder, and a said positioning bolt. 
     
     
         3 . The corner piece used in rapid building system according to  claim 2 , characterized in that the intermediate profile is internally equipped with at least one of the following: a profile support piece and a positioning pin locking piece;
 Said profile support piece  1  is used for installing said positioning bolt and said positioning bolt holder;   Said positioning pin locking piece is provided with interconnected holes  1  and  2  for connecting the positioning pin of the building module;   Said hole  1  is a circular hole, while hole  2  is an elongated hole extending in the circumferential direction of the cross-sectional ring of said positioning pin locking piece.   
     
     
         4 . The corner piece used in rapid building system according to  claim 1 , characterized in that said upper cover is interference-fit assembled with said lower cover and said intermediate profile. 
     
     
         5 . The corner piece used in rapid building system according to  claim 1 , characterized in that said upper cover and said lower cover are equipped with through hole  1 ;
 Said through hole  1  is connected with said intermediate profile.   
     
     
         6 . The corner piece used in rapid building system according to  claim 3 , characterized in that the surface of said intermediate profile is equipped with at least two adjacent or opposing grooves  3 ;
 Said groove  3  is provided with mounting hole  1 , mounting hole  2 , mounting hole  3 , and through hole  2 ;   Said positioning bolt holder is installed within groove  3  through one of said mounting holes  1 ;   Said positioning bolt is installed within said groove  3  adjacent to or opposite said positioning bolt holder through another one of said mounting holes  1 ;   Said through hole  2  is located at both ends of said intermediate profile, and said through hole  2  is surrounded by a mounting hole  2 ;   Said mounting hole  3  is used for installing said positioning pin.   
     
     
         7 . The corner piece used in rapid building system according to  claim 1 , characterized in that said connecting block is disposed at the four corners of said upper cover and said lower cover;
 Said boss is provided with at least two connecting holes corresponding to said through hole  2  and a mounting hole  4  corresponding to said mounting hole  2 ; a bolt passes through mounting hole  2 , the connecting hole, and mounting hole  4  to install and secure the upper cover and the lower cover to the end of the intermediate profile.   
     
     
         8 . The corner piece used in rapid building system according to  claim 6 , characterized in that said intermediate profile is also equipped with a positioning lock and a positioning lock retainer;
 Said positioning lock includes a retractable and extendable lock bolt, a lock bolt-holding hollow tube, and a spring;   Said lock bolt comprises a bolt rod and a positioning lock bolt head;   Said bolt rod is mounted on said spring and installed within the cavity of said lock bolt-holding hollow tube;   One end of said lock bolt rod is connected to said positioning lock bolt head, and the other end is fixed with a pressure plate;   The inner wall of said lock bolt-holding hollow tube has a pressing portion for pressing said spring;   Said spring is compressed between said pressure plate and said pressing portion;   Said lock bolt rod is provided with a steering rod near said positioning lock bolt head;   Said lock bolt-holding hollow tube is provided with rod slot  1  and rod slot  2  extending in longitudinal direction of said lock bolt-holding hollow tube near the end with said positioning lock bolt head;   The depth of said rod slot  1  is greater than the depth of said rod slot  2 ;   When said positioning lock bolt head abuts against the end of said lock bolt-receiving hollow tube, said steering rod is located within said rod slot  1 ; when said positioning lock bolt head is inserted into said through hole  2 , said steering rod is located within said rod slot  2 ;   Said positioning lock retainer is provided with a through cavity;   Said positioning lock bolt head is nested within said through cavity;   Said through hole corresponds to said through hole  2 ;   A bolt passes through said mounting hole  2  to connect said positioning lock retainer and said intermediate profile.   
     
     
         9 . The corner piece used in rapid building system according to  claim 3 , characterized in that when a positioning pin lock piece is disposed within said intermediate profile, said intermediate profile further includes profile support piece  2 ;
 Said positioning pin lock piece passes through said profile support piece  2  and is clamped within said through hole  1 .   
     
     
         10 . The corner piece used in rapid building system according to  claim 9 , characterized in that at least one end of said positioning pin lock piece is provided with a claw portion for driving the rotation of the positioning pin lock piece. 
     
     
         11 . The corner piece used in rapid building system according to  claim 10 , characterized in that said positioning pin lock piece is internally provided with a nylon piece fixed to the shaft. 
     
     
         12 . The corner piece used in rapid building system according to  claim 2 , characterized in that said positioning bolt includes a disc-shaped bolt head, a cylindrical connecting bolt rod, a fixed bolt rod, and a positioning mounting plate;
 One end of said connecting bolt rod is connected to said disc-shaped bolt head, and the other end of said connecting bolt rod is connected to said fixed bolt rod;   Said positioning mounting plate is in close contact with said intermediate profile;   Said positioning mounting plate is provided with a plurality of insertion holes  1 ;   Said fixed bolt rod passes through one of insertion holes  1  and one of said mounting holes  1  in sequence, and is connected to said support piece  1 ; the bolt passes through the remaining said insertion holes  1  and said mounting holes  1  in sequence, and is connected to said support piece  1 ;   Said positioning bolt holder includes insertion hole  2  for said bolt head to insert into and insertion hole  3  for said bolt rod to insert into;   The size of said insertion hole  3  does not allow said bolt head to pass through;   Said positioning bolt holder is a hollow tube, and said insertion hole  2  is the cavity of said hollow tube;   Said insertion hole  3  is a slot-shaped hole in the wall of said hollow tube that extends longitudinally along said hollow tube;   One end of said insertion hole  3  extends to the end of the hollow tube;   Said positioning bolt holder is in contact with said intermediate profile;   An insertion hole  4  is provided on said positioning bolt holder;   The bolt passes through mounting hole  1 , said insertion hole  4 , and the intermediate profile in sequence before connecting to said support piece  1 .   
     
     
         13 . The corner piece used in rapid building system according to  claim 2 , characterized in that said positioning pin includes a head portion, a rod portion, and a mounting rod;
 Said rod includes a small-diameter rod connected to a large-diameter rod;   One end of said small-diameter rod is connected to said head portion, and the other end is connected to the large-diameter rod;   The diameter of said small-diameter rod is less than the diameter of said spherical head. One end of said large-diameter rod is connected to said small-diameter rod, and the other end is removably installed in said mounting hole  3 ;   Said mounting rod is connected to said mounting hole  3 .   
     
     
         14 . The corner piece used in rapid building system according to  claim 5 , characterized in that said upper cover and said lower cover are equal-sized squares, with side lengths ranging from 59 mm to 65 mm.