Panel fastening system

A fastening system for a panel, comprising:

• at least two mounting rails (1), each having a number of engaging open cavities formed therein;
• and
• a number of engaging slide blocks (5), respectively engaging with the engaging open cavities;
• wherein the number of the engaging slide blocks (5) is two and the number of the engaging open cavities is two, and the engaging open cavities respectively are a first engaging open cavity (21) formed in a top surface of the mounting rail and a second engaging open cavity (23) formed in a side surface of the mounting rail;
• wherein the panel (14) including a plurality of top frame strips (144) and a back frame (146) is disposed on the mounting rails and fixedly connected with the engaging slide blocks (5) respectively;
• and
• the fastening system for the panel further comprises:
• a middle clamp (10), including a top flange (109) which has two side lips (102) respectively formed on two ends thereof to engage with the top frame strips (144) for position limitation;
• a pair of vertical flanges (101) being under the top flange (109) and a flange support (108) disposed horizontally between the vertical flanges (101);
• wherein the middle clamp (10) is fixedly connected with one of the engaging slide blocks (5), which engages with the first engaging open cavity (21), via a fastening bolt (151);
• and
• an L-shaped fastener (13), including a vertical flange (134) and a horizontal flange (135), wherein the vertical flange (134) is fixedly connected with the other engaging slide block (5), which engages with the second engaging open cavity (23), via a fastening bolt (153).