Patent ID: 7617706

Claim:
A lock assembly of an industrial computer, comprising: a supporting frame set ( 10 ) for slidably installing an industrial computer ( 60 ) by installing two tracks ( 61 ) at two sides of the industrial computer ( 60 ; each of four corners of the supporting frame set ( 10 ) having a supporting post ( 11 ), and each of two posts ( 11 ) at two sides of a front panel ( 62 ) of the industrial computer ( 60 ) having an insertion hole ( 112 ) at an inner wall ( 111 ) thereof; a lock device ( 20 ) having a casing ( 21 ), a tightening unit ( 22 ), a sleeve ( 23 ) and a locking core ( 24 ); the casing being locked to the front panel ( 62 ) of the industrial computer ( 60 ) by locking of the tightening unit ( 22 ); the sleeve ( 23 ) being installed within the casing ( 21 ); a front end of the sleeve ( 23 ) having a driving bar ( 231 ) and a rear end thereof having an extending section ( 232 ) which protrudes toward an inner side of the panel ( 62 ); the locking core ( 24 ) being installed within the sleeve ( 23 ) for receiving a key for locking or unlocking; in unlocking, the sleeve ( 23 ) can be rotated; a push block ( 30 ) being locked to the extending section ( 232 ) of the sleeve ( 23 ) so as to rotate with the sleeve ( 23 ); the push block ( 30 ) having an elliptical shape including two opposite sides forming a long axis and two other opposite sides forming a short axis; rotation of the wall ( 31 ) of the push block ( 30 ), the positions of the long axis and short axis can be changed; two supporting plates ( 40 ); each of the two supporting plates ( 40 ) having an approximate U shape; each supporting plate ( 40 ) having a base plate ( 41 ) and two supporting sheets ( 42 ) at two opposite ends of the supporting plate ( 40 ); each base plate ( 41 ) can be locked to an inner wall of a top plate ( 63 ) of the panel ( 62 ); each supporting sheet ( 42 ) having a through hole ( 421 ); two insertion rods; each of the two insertion rods ( 50 ) being formed with bent round rods; each of the insertion rods ( 50 ) can penetrate through the opposite through holes ( 421 ) of the corresponding supporting sheets ( 42 ) of the supporting plate ( 40 ); each of the insertion rods ( 50 ) having a push end ( 51 ) and an insertion buckle end ( 52 ), and a retrieval spring ( 53 ) slipping on the rod between the opposite through holes ( 421 ); each of the insertion rods ( 50 ) further having a stop portion ( 54 ) for pushing by the retrieval spring ( 53 ) so as to push the push end ( 51 ) of the insertion rod ( 50 ) to contact the edge of the short axis side of the wall ( 31 ) of the push block ( 30 ).