Winch winding trigger assembly system

Abstract

The invention relates to the technical field of crossbow, specifically relating to a winch winding trigger assembly system comprising a pulley and trigger-releasing system; said trigger-releasing system includes a shell and winding ratchet mechanism, trigger mechanism, security slide block in inner cavity of shell; said winding ratchet mechanism includes reel and ratchet, pawl, pawl spring for driving spring and locking ratchet, trigger lock rod for driving pawl and unlocking ratchet fixedly assembled with reel; said trigger mechanism comprises locking hook and its coordinating trigger, locking hook spring for driving locking hook to reset; said security slide block can drive trigger lock rod to slide along inner cavity of shell; said pulley is connected with reel through pulley traction line. The invention combines crossbow structure, solving problems that crossbow is slow in filling and poor in winding via mutual linkage of winding ratchet mechanism and trigger mechanism, improving controllability and safety.

1 . A winch winding trigger assembly system wherein it comprises a pulley ( 1 ) and a trigger-releasing system at the rear side of the pulley ( 1 ) wherein said trigger-releasing system includes a shell ( 3 ) and a winding ratchet mechanism, a trigger mechanism, a security slide block ( 4 ) in the inner cavity of the shell ( 3 ); said winding ratchet mechanism, arranged at the rear of inner cavity of the shell ( 3 ), includes a reel and a ratchet ( 8 ), a pawl ( 9 ), a pawl spring ( 10 ) for driving the pawl ( 9 ) and locking the ratchet ( 8 ), a trigger lock rod ( 11 ) for driving pawl ( 9 ) and unlocking the ratchet ( 8 ) fixedly assembled with the reel among which the trigger lock rod ( 11 ) and the pawl ( 9 ) are an integral part whose end terminal extends out of the shell ( 3 ); said trigger mechanism, arranged in the front of the inner cavity of the shell ( 3 ), comprises a locking hook ( 5 ) and its coordinating trigger ( 6 ) and a locking hook spring ( 12 ) at the rear of the locking hook ( 5 ) for driving locking hook ( 5 ) to reset; said locking hook ( 5 ) is mounted on the shell ( 3 ) via a pin shaft and can rotate along the pin shaft; said trigger ( 6 ) is fixed below the locking hook ( 5 ) and its bottom end extends out of the shell ( 3 ); said security slide block ( 4 ), mounted between the winding ratchet mechanism and the locking hook ( 5 ), can drive the trigger lock rod ( 11 ) to slide back and forth along the inner cavity of the shell ( 3 ) and further drive the pawl ( 9 ) and unlock the ratchet ( 8 ); a pulley traction line ( 13 ) is arranged between said pulley ( 1 ) and the reel. 
     
     
         2 . The winch winding trigger assembly system of  claim 1 , wherein it also includes a pulley-resetting device to draw the pulley ( 1 ) to reset. 
     
     
         3 . The winch winding trigger assembly system of  claim 2 , wherein the pulley-resetting device is a tension coil spring ( 14 ) whose end is fixedly connected to the bottom of the pulley ( 1 ). 
     
     
         4 . The winch winding trigger assembly system of  claim 1 , wherein at the rear side of said pulley ( 1 ) is arranged with a string-stopping block ( 16 ) made of soft materials and a gap is set for hooking the string ( 2 ) on said string-stopping block ( 16 ). 
     
     
         5 . The winch winding trigger assembly system of  claim 2 , wherein at the rear side of said pulley ( 1 ) is arranged with a string-stopping block ( 16 ) made of soft materials and a gap is set for hooking the string ( 2 ) on said string-stopping block ( 16 ). 
     
     
         6 . The winch winding trigger assembly system of  claim 3 , wherein at the rear side of said pulley ( 1 ) is arranged with a string-stopping block ( 16 ) made of soft materials and a gap is set for hooking the string ( 2 ) on said string-stopping block ( 16 ). 
     
     
         7 . The winch winding trigger assembly system of  claim 1 , wherein the handle for driving the reel to rotate and wind is fixed at the outside of said shell ( 3 ). 
     
     
         8 . The winch winding trigger assembly system of  claim 2 , wherein the handle for driving the reel to rotate and wind is fixed at the outside of said shell ( 3 ). 
     
     
         9 . The winch winding trigger assembly system of  claim 3 , wherein the handle for driving the reel to rotate and wind is fixed at the outside of said shell ( 3 ). 
     
     
         10 . The winch winding trigger assembly system of  claim 1 , wherein said winding ratchet mechanism includes two reels, namely the first reel ( 7 ) and the second reel ( 17 ), which are fixed symmetrically at two sides of the ratchet ( 8 ); at the bottom of said pulley ( 1 ) is arranged with two pulley-guide wheels, namely the first pulley-guide wheel ( 15 ) and the second pulley-guide wheel ( 18 ); the front end of said shell ( 3 ) is arranged with a wire slot ( 19 ) which is set horizontally and the top cross-section of which is in the shape of arc; one end of said pulley traction line ( 13 ) is wound on the first reel ( 7 ) while the other end thereof passes the first pulley-guide wheel ( 15 ), goes through the wire slot ( 19 ), passes the second pulley-guide wheel ( 18 ) in sequence and winds on the the second reel ( 17 ). 
     
     
         11 . The winch winding trigger assembly system of  claim 2 , wherein said winding ratchet mechanism includes two reels, namely the first reel ( 7 ) and the second reel ( 17 ), which are fixed symmetrically at two sides of the ratchet ( 8 ); at the bottom of said pulley ( 1 ) is arranged with two pulley-guide wheels, namely the first pulley-guide wheel ( 15 ) and the second pulley-guide wheel ( 18 ); the front end of said shell ( 3 ) is arranged with a wire slot ( 19 ) which is set horizontally and the top cross-section of which is in the shape of arc; one end of said pulley traction line ( 13 ) is wound on the first reel ( 7 ) while the other end thereof passes the first pulley-guide wheel ( 15 ), goes through the wire slot ( 19 ), passes the second pulley-guide wheel ( 18 ) in sequence and winds on the the second reel ( 17 ). 
     
     
         12 . The winch winding trigger assembly system of  claim 3 , wherein said winding ratchet mechanism includes two reels, namely the first reel ( 7 ) and the second reel ( 17 ), which are fixed symmetrically at two sides of the ratchet ( 8 ); at the bottom of said pulley ( 1 ) is arranged with two pulley-guide wheels, namely the first pulley-guide wheel ( 15 ) and the second pulley-guide wheel ( 18 ); the front end of said shell ( 3 ) is arranged with a wire slot ( 19 ) which is set horizontally and the top cross-section of which is in the shape of arc; one end of said pulley traction line ( 13 ) is wound on the first reel ( 7 ) while the other end thereof passes the first pulley-guide wheel ( 15 ), goes through the wire slot ( 19 ), passes the second pulley-guide wheel ( 18 ) in sequence and winds on the the second reel ( 17 ).