Summary of the invention
The invention provides the synchronous automatic ejecting mechanism of a kind of insertion-core lock latch bolt side of triggering tongue, it has simple and reliable advantage.
In order to achieve the above object, the present invention takes following technical scheme: the synchronous ejecting mechanism of the latch bolt side of triggering tongue, comprises lock housing, square tongue, latch bolt, and liner plate is installed in lock housing one side, the in-built side's hyoplastron of lock housing, the affixed side's tongue in square hyoplastron outer end; Liner plate has the perforation relative with square tongue; Establish side's tongue to eject driving mechanism in lock housing, eject the effect of driving mechanism at square tongue under, the side's of driving hyoplastron outwards moves, and the side's of making tongue is protruding through liner plate; Side's hyoplastron forms a breach; Lock housing internal fixtion clasp nail, clasp nail is rotatably assorted and triggers button, and triggering button two is hook-shaped head, trigger head respectively; Trigger the breach of hook-shaped head by the first torsion spring side of press-in hyoplastron of button, the side's of making hyoplastron is in the state of inside contracting; Liner plate has the perforation relative with latch bolt; The inner affixed connecting rod of latch bolt, the affixed movable block of connecting rod, movable block fixation plate is followed closely, and the trigger board that is rotatably assorted followed closely by plate; If the second torsion spring, the second torsion spring makes the trigger end of trigger board near the trigger head triggering button; Connecting rod forms the first baffle ring, connecting rod sleeve stage clip, and stage clip two ends peak at lock-shell lining, the first baffle ring respectively.
The described synchronous ejecting mechanism of the latch bolt side of triggering tongue, lock housing internal fixtion one plate is followed closely, and the location-plate that is rotatably assorted followed closely by plate, and location-plate first end forms flanging, and the flanging of location-plate peaks at the positioning end of trigger board.
The described synchronous ejecting mechanism of the latch bolt side of triggering tongue, connecting rod forms the second baffle ring, and connecting rod sleeve one triggers tongue, and trigger ligulate and become a step surface, this step surface and the second baffle ring touch; Trigger ligulate and become breach; Second end of location-plate forms cambered surface, and can snap in the breach triggering tongue.
The described synchronous ejecting mechanism of the latch bolt side of triggering tongue, plate nail overcoat stage clip, the top, one end of stage clip is pressed on the second end of location-plate, and the other end peaks in lock housing, and under the active force of stage clip, the second end of location-plate snaps in the breach triggering tongue.
The described synchronous ejecting mechanism of the latch bolt side of triggering tongue, movable block forms a block, and block can stop the extreme position that the second torsion spring impels the trigger end of trigger board to rotate towards the trigger head triggering button.
The described synchronous ejecting mechanism of the latch bolt side of triggering tongue, side's tongue ejects the driving mechanism side of comprising hyoplastron nail, square hyoplastron extension spring, lock housing nail, the inner of the side's hyoplastron nail side of being fixed on hyoplastron, lock housing nail is fixed on lock housing one end near liner plate, square hyoplastron nail and lock housing follow closely between the extension spring of connection side's hyoplastron.
The described synchronous ejecting mechanism of the latch bolt side of triggering tongue, the second torsion spring is coated at plate nail, and the two ends of the second torsion spring are positioned the trigger end of movable block, trigger board respectively.
The described synchronous ejecting mechanism of the latch bolt side of triggering tongue, the first torsion spring is coated at clasp nail, and the two ends of the first torsion spring are positioned the hook-shaped head of lock-shell lining or liner plate, triggering button respectively.
The invention solves the ejection asynchronous with latch bolt of the existing design side of existence tongue and easily forget door is locked, tongue easy knocking door case in lock body side's causes damaging the problem of doorframe, it has the simple and advantage of reliable in action of structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention (latch bolt ejection state).
Fig. 2 is local structural graph of the present invention.
Fig. 3 is the structural representation of latch bolt retracted mode.
Fig. 4 is another local structural graph of the present invention.
In diagram, 1-side's tongue, 2-side's hyoplastron, 3-triggers clasp nail, 4-triggers button, and 5-triggers button torsion spring, 6-latch bolt, and 7-triggers tongue, 8-latch bolt connecting rod, 9-movable block, 10-trigger board torsion spring, 11-liner plate, 12-trigger board, 13-trigger board is followed closely, 14-location-plate, 15-location-plate stage clip, 16-latch bolt connecting rod stage clip, 17-lock housing, 18-side's hyoplastron is followed closely, the hyoplastron extension spring of 19-side, 20-lock housing is followed closely, and 21-plate is followed closely.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
As Figure 1-4, lock housing 17 installs liner plate 11 towards door along a side, lock housing 17 in-built slidingtype side hyoplastron 2, square hyoplastron 2 outer end (namely towards one end of the liner plate 11) side's of being fixedly connected with tongue 1.Liner plate 11 has the stretch through hole corresponding with square tongue 1, and under the drive of square hyoplastron 2, square tongue 1 can move along the hole that stretches through of liner plate 11, and namely square tongue 1 can stretch out outside lock housing 17 or shrink within lock housing 17.The inner of hyoplastron 2, side and lock housing 17(are near liner plate 11) the side's of fixing hyoplastron follows closely 18 respectively, lock housing follows closely 20 in one end, side hyoplastron nail 18 and lock housing follow closely 20 between the side's of being connected with hyoplastron extension spring 19, under the effect of square hyoplastron extension spring 19, the side's of making hyoplastron 2 has an active force outwardly.
One side of side's hyoplastron 2 forms a breach; Fixing triggering clasp nail 3 in the lock housing 17 of this breach, triggering clasp nail 3 is rotatably assorted and triggers button 4, and triggering button 4 two is hook-shaped head 4-1, trigger head 4-2 respectively.Trigger the triggering of clasp nail 3 overcoat and buckle torsion spring 5, the one end of triggering button torsion spring 5 peaks at liner plate 11 inwall, another end hook is in the hook-shaped head 4-1 side of triggering button 4, it has an active force to triggering button 4, by the indentation, there of the hook-shaped head 4-1 side of pressing to hyoplastron 2, impel both to interlock, and then the side's of making hyoplastron 2 and square tongue 1 are in the state of inside contracting.See Fig. 1.
Liner plate 11 also has the stretch through hole corresponding with latch bolt 6, and latch bolt 6 can through stretching out outside lock housing 17 behind the hole that stretches through of liner plate 1, also can within retraction lock housing 17.
The inner of latch bolt 6 is fixedly connected with latch bolt connecting rod 8, and latch bolt connecting rod 8 is within lock housing 17, and latch bolt connecting rod 8 is fixedly connected with movable block 9, and movable block 9 is fixedly connected with trigger board nail 13, and trigger board nail 13 is rotatably assorted trigger board 12; Trigger board follows closely 13 overcoat trigger board torsion springs 10, and one end of torsion spring 10 peaks on movable block 9, and other end top is pressed on one end (trigger end) 12-1 of trigger board 12, makes this end of trigger board 12 near the trigger head 4-2 triggering button 4.The edge of movable block 9 also forms a block 9-1, this block 9-1 can stop the extreme position that trigger board 12 is rotated towards trigger head 4-2, extreme position is namely: trigger board 12 is in the state of inside contracting and when it outwards moves, its trigger end can contact trigger head 4-2.
The latch bolt connecting rod 8 be in inside movable block 9 forms a baffle ring 8-1, overcoat latch bolt connecting rod stage clip 16 on connecting rod 8 inside baffle ring 8-1, the interior outer end of stage clip 16 peaks at the inwall of lock housing 17, the medial surface of baffle ring 8-1 respectively, it has an outside effect to connecting rod 8, thus latch bolt 6 can be ejected outside lock housing 17.
Latch bolt connecting rod 8 near latch bolt side also forms a baffle ring 8-2; The overcoat herein of latch bolt connecting rod 8 triggers tongue 7, and trigger tongue 7 and form a step surface 7-1, this step surface and baffle ring 8-2 touch, and triggers tongue 7 and is driven and then push up pressure baffle ring 8-2 by door handle, latch bolt connecting rod 8 is inwardly moved.One side of triggering tongue 7 forms breach 7-2.Door handle drives the structure triggering tongue to belong to prior art.
Lock housing 17 internal fixtion one plate nail 21, this plate nail 21 is rotatably assorted location-plate 14, and one end 14-1 of location-plate 14 forms cambered surface, and this end corresponds to the breach 7-2 triggering tongue 7, and other end 14-2 is folded over 90 degree, and this flanging is just to the positioning end 12-2 of trigger board 12.Overcoat location-plate stage clip 15 gone back by plate nail 21, and the top, one end of stage clip 15 is pressed on one end 14-1 of location-plate 14, and the other end peaks in lock housing 17.Under the active force of stage clip 15, location-plate 14 cambered surface portion is snapped in the breach 7-2 place triggering tongue 7, flanging portion is then affixed on the positioning end 12-2 of trigger board 12.
Under state shown in Fig. 1, square tongue 1 is in the state of inside contracting, and latch bolt 6 is then in the state of stretching out.Now, the positioning end 12-2 of trigger board 12 is contacted at the flanging portion 14-2 of location-plate 14, make the trigger end 12-1 of trigger board 12 be in the trigger head 4-2 of outside (top in Fig. 1) not touch trigger tongue 4, and the trigger head 4-2 to triggering button 4 can not be touched in the process bounced back in latch bolt 6.
Close the door action time, latch bolt 6 touches doorframe, impel latch bolt 6 gradually toward lock housing 17 indentation inside liner plate 11, and then drive latch bolt connecting rod 8, movable block 9, trigger board torsion spring 10, trigger board 12, trigger board nail 13 together toward interior indentation, now, the flanging portion 14-2 that the positioning end 12-2 of trigger board 12 departs from location-plate 14 gradually keeps out, and under the active force of trigger board torsion spring 10, trigger board 12 is rotated; Separately, stage clip 16 is also little by little compressed; The motion of above-mentioned each parts is until the lock housing 17 of latch bolt 6 all inside indentation liner plate 11, and under this state, as shown in Figure 3, the trigger end 12-1 of trigger board 12 is in the inner side (i.e. the below of Fig. 3) of the trigger head 4-2 triggering button 4.When the side's of moving to tongue 1 and latch bolt 6 aim at frame hole respectively, under the restoring force effect of stage clip 16, promote latch bolt connecting rod 8 outwards to move, and make movable block 9, torsion spring 10, trigger board 12, trigger board nail 13 and latch bolt 6 are outwards moved, in the process, the trigger head 4-2 of the outside touch trigger button 4 of trigger end 12-1 of trigger board 12, triggering button 4 is rotated around triggering clasp nail 3, the triggering hook-shaped head 4-1 of button 4 and the breach of square hyoplastron 2 is forced to be thrown off, under the active force of square hyoplastron extension spring 19, the side's of forcing hyoplastron 2 ejects, and then the side's of drive tongue 1 stretches in frame hole, simultaneously, latch bolt 6 continues to stretch out, it together ejects with square tongue 1 and stretches in corresponding frame hole and door is locked.
In above-mentioned course of action, trigger tongue 7 and can not move to the inside owing to being withstood by the cambered surface portion of location-plate 14.When press down turn the handle door opening action time, triggering tongue 7 is impelled to overcome the pressure on top surface of location-plate 14 and move to the inside, and then the baffle ring 8-2 of latch bolt connecting rod 8 is pressed by its stage portion top, latch bolt connecting rod 8 is moved to the inside, and then drive latch bolt 6, movable block 9, trigger board torsion spring 10, trigger board 12, trigger board nail 13 is together toward inside contracting, and then the flanging portion 14-2 of location-plate 14 pushes up the positioning end 12-2 of pressure trigger board 12, make the trigger end 12-1 of trigger board 12 away from the trigger head 4-2 triggering button 4, then action as hereinbefore, when until pull the door open, lock body leaves doorframe handle return, under the restoring force effect of stage clip 16, promote latch bolt connecting rod 8 outwards to move, and make movable block 9, torsion spring 10, trigger board 12, trigger board nail 13, triggering tongue 7 and latch bolt 6 are outwards moved, until stretch out liner plate 11, push up the positioning end 12-2 of pressure trigger board 12 owing to triggering tongue 7 in whole process, make the trigger end 12-1 of trigger board 12 away from the trigger head 4-2 triggering button 4, thus reach press down handle open the door whole process in square tongue be not ejected.
Those of ordinary skill in the art will be appreciated that; above embodiment is only used to the present invention is described; and not as limitation of the invention, as long as in essential scope of the present invention, all will protection scope of the present invention be fallen into the change of the above embodiment, modification.