Lock of box/bag

Abstract

The invention publics a lock of box/bag, the lock of box/bag is convexly set on the box/bag body, it comprises a lock bolt which is fixed to one side of the box or the bag; a lock body, the lock body comprises a fixed part and a rotating part, the fixed part is fixed to the other side of the box or the bag, the rotating part is pivotally connected to the fixed part, and the rotating part is provided with an opening, and extending inwardly along the opening an sliding groove is provided, which is to allow the lock bolt to slide therein so as to lock or unlock. The lock of box/bag of the invention is locked and unlocked by rotating, which is different from current snap lock, it is a new lock of box/bag, and it is provided with a lock core that make it is need to use a key to open it, and improve its safety greatly; the shape of the lock is preferably circular, of which the advantage is easy to operate.

What is claimed is: 
     
         1 . A lock of box/bag, comprising:
 a lock bolt, fixed to one side of the box or the bag;   a lock body, wherein the lock body comprising a fixed part and a rotating part, the fixed part is fixed to the other side of the box or the bag, and the rotating part is pivotally connected to the fixed part; the rotating part is provided with an opening, and an sliding groove is provided extending inwardly along the opening, and the sliding groove is to allow the lock bolt to slide therein so as to lock or unlock.   
     
     
         2 . The lock of box/bag of  claim 1 , further comprising:
 a lock core, wherein the lock core is embedded mounted on the rotating part, and could rotate around its axis relative to the rotating part; one end of the lock core is provided with a locking block, and the fixed part is provide with a locking mechanism which is used to cooperate with the locking block; through the cooperating between the locking block and the locking mechanism, locking or unlocking is accomplished, wherein the rotating part and the fixed part I forbidden to rotate relative to each other when it is locking, and the rotating part and the fixed part is allowed to rotate relative to each other when it is unlocking.   
     
     
         3 . The lock of box/bag of  claim 2 , wherein the rotating part comprising a first shell and a second shell, wherein the first shell is connected fixedly with the second shell, and the second shell is connected pivotally with the fixed part;
 the lock core is embedded mounted in the first shell, and is passed through the second shell;   the second shell is provide with an opening, and an sliding groove is provided extending inwardly along the opening, wherein the sliding groove is to allow the lock bolt to slide therein so as to lock or unlock; meantime, the first shell is provided with an opening groove at the position corresponding to the opening.   
     
     
         4 . The lock of box/bag of  claim 2 , wherein the locking mechanism set on the fixed part is a storage groove, and the locking block set on the lock core is a cylinder that is matched with the storage groove, wherein
 rotating the lock core along positive direction makes the cylinder to be inserted into the storage groove, so as to prevent the rotating part from rotating relative to the fixed part;   rotating the lock core along negative direction makes the cylinder to be away from the storage groove, so as to make the rotating part to be allowed to rotate relative to the fixed part.   
     
     
         5 . The lock of box/bag of  claim 4 , wherein the outside of the lock core is provided with a lock core sleeve, wherein the lock core is rotatably connected to the inside of the lock core sleeve, and the lock core sleeve is embedded mounted on the rotating part; the lock core sleeve is provided with at least one orbital groove, the orbital groove comprises a long end and a short end, the width of the orbital groove is gradually change from the long end to the short end; correspondingly, the outside of the lock core is provided with at least one bump, wherein the bump is slipping along the orbital groove when the lock core is rotated, so as to make the lock core move inward or outward relative to the lock core sleeve, thereby the cylinder is inserted inside or away from the storage groove. 
     
     
         6 . The lock of box/bag of  claim 2 , wherein the locking mechanism set on the fixed part is a hook projection, and the locking block set on the lock core is a half-cylinder, and which is set extend to the bottom of the hook projection, wherein
 rotating the lock core along positive direction makes the half-cylinder to be located on the vertical plane of the hook projection, so as to prevent the rotating part from rotating relative to the fixed part;   rotating the lock core along negative direction makes the half-cylinder to be located on the horizontal plane of the hook projection, so as to make the rotating part to be possible to rotate relative to the fixed part.   
     
     
         7 . A lock of box/bag, comprising:
 a lock bolt, fixed to one side of the box or the bag;   a lock body, wherein the lock body comprising a first shell, a second shell and a third shell that are connected in turn, and the first shell and the second shell is fixedly connected to form a integral rotating part, the third shell is set as fixed part and is fixed to the other side of the box or the bag, and the second shell is pivotally connected to the third shell;   the second shell is provided with an opening, and an sliding groove is provided extending inwardly along the opening, wherein the sliding groove is to allow the lock bolt to slide therein so as to lock or unlock; an opening groove is provided at the position of the first shell corresponding to the opening;   a lock core, wherein the lock core is embedded mounted on the first shell, and could rotate relative to the first shell; one end of the lock core is provided with a locking block, and the third shell is provided with a locking mechanism which is used to cooperate with the locking block, and the second shell is provided with a through hole to allow the lock core pass through, wherein through the cooperation between the locking block and the locking mechanism, the locking or unlocking is accomplished; the rotating part and the fixed part is forbidden to rotate relative to each other when it is locking, and the rotating part and the fixed part is allowed to rotate relative to each other when it is unlocking.   
     
     
         8 . The lock of box/bag of  claim 7 , wherein the locking mechanism set on the fixed part is a storage groove, and the locking block set on the lock core is a cylinder which is matched with the storage groove, wherein
 rotating the lock core along positive direction makes the cylinder to be inserted into the storage groove, so as to prevent the rotating part from rotating relative to the fixed part;   rotating the lock core along negative direction makes the cylinder to be away from the storage groove, so as to make the rotating part to be allowed to rotate relative to the fixed part.   
     
     
         9 . The lock of box/bag of  claim 8 , wherein the outside of the lock core is provided with a lock core sleeve, wherein the lock core is rotatably connected to the inside of the lock core sleeve, and the lock core sleeve is embedded mounted to the rotating part; the lock core sleeve is provided with at least one orbital groove, wherein the orbital groove comprising a long end and a short end, and the width of the orbital groove is gradually change from the long end to the short end; correspondingly, at least one bump is provided at the outside of the lock core, wherein the bump is slipping along the orbital groove when the lock core is rotated, so as to make the lock core to be moved relative to the lock core sleeve. 
     
     
         10 . The lock of box/bag of  claim 7 , wherein the locking mechanism set on the fixed part is a hook projection, and the locking block set on the lock core is set to extend to the bottom of the hook projection, wherein
 rotating the lock core along positive direction makes the locking block locate on the vertical plane of the hook projection and prevent the rotating part from rotating relative to the fixed part;   rotating the lock core along negative direction makes the locking block locate on the horizontal plane of the hook projection, so as to make the rotating part to be allowed to rotate relative to the fixed part.   
     
     
         11 . The lock of box/bag of  claim 10 , wherein the outside of the lock core is provided with a lock core sleeve, and the lock core is rotatably connected to the inside of the lock core sleeve, wherein the lock core sleeve is embedded mounted on the rotating part; the lock core and the lock core sleeve are provided with a lock core limited mechanism, wherein the lock core limited mechanism comprising:
 one or two bumps, set on the outside of the lock core;   one or two limited grooves, set on the lock core sleeve, and respectively correspond to the one or two bumps, wherein the lock core rotate relative to the lock core sleeve in the travel of the bumps which limited by the limited grooves.   
     
     
         12 . The lock of box/bag of  claim 9 , wherein the first shell and/or the second shell of the rotating part is provided with a storage groove which is matched with the lock core sleeve, and the lock core sleeve is set in the storage groove. 
     
     
         13 . The lock of box/bag of  claim 7 , wherein the second shell and the third shell is connected by an rotation shaft, wherein the second shell is provided with a groove hole at the corresponding position to allow the rotation shaft pass through, and the rotation shaft is fixedly connected to the third shell, while it is pivotally connected to the second shell, and one end of the rotation shaft is protruded from the second shell. 
     
     
         14 . The lock of box/bag of  claim 13 , wherein the fixation of the rotation shaft and the third shell is as follows:
 the rotation shaft is provided with at least two columnar projections at its undersurface which is adjacent to the third shell, and the third shell is provided with storage holes at the position corresponding to the columnar projections, and the columnar projections are put into the storage holes, so as to make the rotation shaft is forbidden to rotate relative to the third shell, thereby the rotation shaft be fixedly connected to the third shell.   
     
     
         15 . The lock of box/bag of  claim 14 , wherein the rotation shaft is set to be hollow, and the third shell is provided with a hollow cylinder at the position corresponding to the rotation shaft, wherein the hollow cylinder is sleeved within the rotation shaft;
 the hollow cylinder is provided with inner thread, and the rotation shaft is further fixedly connected to the third shell by a bolt joint passing through the hollow cylinder.   
     
     
         16 . The system of box/bag of  claim 13 , wherein the rotation shaft is provided with a dummy club to prevent the second shell from moving along axial direction, wherein the dummy club is set in the middle of the rotation shaft. 
     
     
         17 . The lock of box/bag of  claim 7 , wherein the lock of box/bag is further provided with an anti-self-locking mechanism, wherein the anti-self-locking mechanism comprising:
 an anti-self-locking linkage component, wherein the anti-self-locking linkage component comprises a hollow tube located in its middle part and the first curved edge and the second curved edge extended from the hollow tube, and the first shell or the second shell is provided with a connection shaft corresponding to the hollow tube, wherein the anti-self-locking linkage component is pivotally connected to the first shell or the second shell by the connection shaft, and the first curved edge is connected to the first shell or the second shell by a elastic element which used to push the first curved edge, and the second curved edge is a free side;   a complementary set of bump and runner, wherein the bump is convexly provided on the side of the third shell that is adjacent to the second shell, and the runner is provided on the second shell where is corresponding to the bump, wherein the bump is able to slide in the runner along with the rotation of the rotating part that relative to the third shell;   when the bump slides to one end of the runner, the first curved edge of the anti-self-locking linkage component is withstand the bump under the thrust of the elastic element, to prevent it from sliding to the other end of the runner, and the second curved edge of the anti-self-locking linkage component stands in the top of the opening of the second shell, to prevent the lock bolt from entering the opening, or when the bump slides to one end of the runner, the first curved edge of the anti-self-locking linkage component receive thrust of the elastic element, and impress the thrust upon the second curved edge through the hollow tube of the middle part, to make the second curved edge block the bump, so that it cannot slide along the runner.   
     
     
         18 . The lock of box/bag of  claim 17 , wherein the first shell or the second shell is further provided with a guide bar which is to limit the trajectory of the first curved edge of the anti-self-locking linkage component. 
     
     
         19 . The lock of box/bag of  claim 13 , wherein the second shell and the rotation shaft are provided with a mechanism to enhance rotational feel, wherein the mechanism to enhance rotational feel comprising:
 a column extending from the rotation shaft, wherein the column is hollow, and its internal is provided with a elastic element, and outside of the elastic element is provided with circular bead, and the second shell is provided with an least two small circular holes on the circumference which corresponding to the circular bead, wherein rotational feel is generated when the circular bead is passing through the small circular holes.   
     
     
         20 . The lock of box/bag of  claim 19 , wherein the elastic element is a spring, and the circular bead is steel bead. 
     
     
         21 . The lock of box/bag of  claim 15 , wherein the second shell and the rotation shaft is provided with a mechanism to enhance rotational feel, wherein the mechanism to enhance rotational feel comprising:
 a U-shaped torsion elastic element, which has a central part and two ends, wherein the central part is fixed to one end of the rotation shaft which is protruded from the second shell by a annular structure, wherein one end of which is fixed to the edge of the rotation shaft, and the other end is contact with the surface of the second shell; the second shell is provided with an least two projections on the circle where is contacted with the U-shaped torsion elastic element; when the second shell rotates relative to the third shell, the end of the U-shaped torsion elastic element contacting with the second shell pass through the projections, so as to generate the rotational feel.   
     
     
         22 . The lock of box/bag of  claim 21 , wherein the rotation shaft is provided with two retaining grooves on the side which is adjacent with the head of the bolt and one end of the U-shaped torsion elastic element is fixed to the edge of the rotation shaft by the retaining grooves.