CN200989101Y

CN200989101Y - Improved internal door mortise lock

Info

Publication number: CN200989101Y
Application number: CN 200620052329
Authority: CN
Inventors: 雷先鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-26
Filing date: 2006-09-26
Publication date: 2007-12-12
Anticipated expiration: 2016-09-26

Abstract

The utility model discloses an improved lock head for a built-in core-inserting door lock, comprising a lock body. A lock core is arranged at two ends inside the lock body, one is conventional lock core and the other is idle lock core. The lock body comprises lock cores and rotation sleeves, the lock cores are encased in the rotating sleeves. A plurality of notches are arranged at the ends of the rotation sleeves of both the conventional lock core and the idle lock core; a poking head is arranged between ends of the two lock cores, a disengaging device is arranged in the poke head; a reset spring is arranged between the disengaging device and the idling lock core. Compared with the prior art, the utility model, since the disengaging device with a return spring keeps the rotation sleeve of the idle lock core in linkage with the poking head, solves the problem that the idle lock core cannot fit with the disengaging device well because the idle lock core can run idle. The utility model adopts the idle lock core, which further improves the performance of technical or destructive unlocking prevention.

Description

A kind of tapered end of improved built-in type mortise door lock

Technical field

The utility model belongs to mechanical lockset, is specifically related to a kind of tapered end of improved built-in type mortise door lock.

Background technology

The tapered end of existing built-in type mortise door lock wherein has a kind of twin-lock cored structure, can be from two different directions with key respectively with lock-switch.Two lock cores all are to adopt identical structure, are provided with shifting block between two lock core ends, and the interlock of lock core and dead bolt is to realize by the shifting block that has arrangement of clutch.Arrangement of clutch has the projection clutch-plate by two and forms, can relatively rotate between the clutch-plate, they are positioned at shifting block, and an inside convex tendon is arranged on the shifting block inwall, the corresponding breach that has with the projection of clutch-plate on the convex tendon, the end of lock core also has and the corresponding breach of the projection of clutch-plate.Two clutch-plates lay respectively in the breach of two lock core ends, and each clutch-plate all can move in corresponding lock core end breach and shifting block convex tendon breach, and move distance is the thickness of shifting block convex tendon.When a direction is unblanked, the head of key can be with the distance of arrangement of clutch to a shifting block convex tendon thickness of sinciput motion, at this moment enter in the breach of shifting block convex tendon by the clutch-plate of key one side and engage with shifting block, the contact surface of this clutch-plate and another clutch-plate just is positioned at shifting block convex tendon lateral location simultaneously, and still has part to be positioned at the breach of lock core end.Key, key drives clutch-plate, drives the shifting block rotation thereby clutch-plate acts on convex tendon again, and shifting block is stirred the switch that dead bolt is realized lock.When in the other direction key being inserted lock core and unblank, the clutch-plate of this side enters in the breach of shifting block convex tendon and engages with shifting block equally, and the breach that the clutch-plate of opposite side then withdraws from the shifting block convex tendon separates with shifting block.

The tapered end of existing built-in type mortise door lock, though can be from the switch of both direction control lock, deficiency is that the lock core that is adopted is not high aspect safety, can not effectively prevent skilled unlocking and destructive picking lock.

Preventing skilled unlocking and destructive picking lock aspect of performance, the better lock core of some theftproofs has appearred at present, disclose a kind of match lock core of incompatible control lock core open and close of secondary billiard mechanism and V-shaped groove pellet shot from a slingshot that utilizes as the ZL200420046913.9 patent documentation, and, can make the lock core (idle-run lock pin) of Lock cylinder idling by between lock core and lock body, being provided with a turning set.The characteristics of idle-run lock pin are, can unblank when unblanking with matched key, and when using non-matching key to unblank, can only make lock core relatively rotate cover idle running, this lock core can make external force can't act on lock body and sword iron, thereby has solved powerful unblanking and a destructive difficult problem of unblanking preferably.But this class lock core can't be applied on the tapered end of built-in type mortise door lock, and reason is not solve idle-run lock pin to be difficult to the problem that cooperates with arrangement of clutch because lock core can dally.

Summary of the invention

The purpose of this utility model is at above-mentioned situation, and a kind of tapered end that comprises the improved built-in type mortise door lock of idle-run lock pin is provided.

The utility model purpose is achieved in that the tapered end of built-in type mortise door lock comprises lock body, two in the lock body is provided with lock core, the shifting block of dress arrangement of clutch between two lock core ends, being provided with, one of them lock core is conventional lock core (lock core can not dally), another lock core is an idle-run lock pin, is made up of internal cylinder and turning set, and internal cylinder is enclosed within the turning set, idle-run lock pin matches with arrangement of clutch by turning set, is provided with back-moving spring between the end of idle-run lock pin and arrangement of clutch;

Described conventional lock core, arranged side by side vertically on lock core, have two several main marble holes of row, built-in spring and main pellet shot from a slingshot, one end of spring connects the bottom of main marble hole, the other end connects the afterbody of main pellet shot from a slingshot, the head of main pellet shot from a slingshot extend in the keyhole, and main pellet shot from a slingshot is a cylinder, and its outside has a V-ring ditch or V-arrangement pit, arrange the V-ring ditch of main pellet shot from a slingshot or the position of V-arrangement pit corresponding to two on the lock core, be provided with auxiliary marble hole, built-in secondary pellet shot from a slingshot, lock body has lock hole corresponding to the auxiliary marble hole place, built-in lock body spring and lock spring, the outer end of lock body spring connects lock body, and the outer end of lock spring is being pressed in the inner, and the outer end of secondary pellet shot from a slingshot extend in the lock body lock hole, be connected with the inner of lock spring, the inner of secondary pellet shot from a slingshot is pressed on the outside of main pellet shot from a slingshot.

Described idle-run lock pin adopts the disclosed lock core of ZL200420046913.9 patent documentation, it is as the basis with described conventional lock core, between lock core and lock body, add a turning set, turning set is opened turning set pellet shot from a slingshot hole 1 to several corresponding to the auxiliary marble hole place, built-in turning set pellet shot from a slingshot, lock hole on the lock body is corresponding with turning set pellet shot from a slingshot hole, the outer end of turning set pellet shot from a slingshot extend in the lock body lock hole, be connected with the inner of lock spring, the inner of turning set pellet shot from a slingshot is connected with the outer end of the secondary pellet shot from a slingshot of lock core, and the inner of secondary pellet shot from a slingshot is pressed on the outside of main pellet shot from a slingshot.

Operating principle:

When the non-opening of lock, be subjected to the effect of back-moving spring, arrangement of clutch is in the position near conventional lock core one side, the clutch-plate that cooperates with turning set on the idle-run lock pin in the tapered end stretches in the convex tendon of shifting block, engage the state that often closes that is in shifting block, the clutch-plate that cooperates with conventional lock core then is positioned at and is in outside the shifting block convex tendon and the shifting block released state.Although the turning set on the idle-run lock pin engages with shifting block,, can not unblank owing to when using non-matching key to unblank, can only make lock core relatively rotate cover idle running; This moment, conventional lock core was in and the shifting block released state, can not switch lock.When unblanking, when key is inserted conventional lock core, the head of key with arrangement of clutch to idle-run lock pin direction pushing tow, the clutch-plate that cooperates with conventional lock core is entered in the convex tendon of shifting block to be engaged with shifting block, but key switch lock, after withdrawing from key, arrangement of clutch resets under the effect of back-moving spring; Idle-run lock pin uses matched key, and turning set and lock core are rotated together, drives shifting block and rotates the switch of realizing lock.

The tapered end of the utility model built-in type mortise door lock is compared with existing tapered end, owing to adopted the arrangement of clutch of band back-moving spring, turning set on the idle-run lock pin is in and shifting block interlock state all the time, solved existing idle-run lock pin because turning set can rotate arbitrarily, be difficult to the projection on the clutch-plate is inserted the difficult problem that the breach of shifting block inner convex rib engages with shifting block.After the utility model uses idle-run lock pin, make its prevent skilled unlocking and and the performance of destructive picking lock be further enhanced.

Further specify technical solutions of the utility model below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is a sectional view of the present utility model.

Fig. 2 is an A-A sectional view among Fig. 1.

Fig. 3 is a B-B sectional view among Fig. 1.

Fig. 4 is a C-C sectional view among Fig. 1.

The specific embodiment

The tapered end of the utility model built-in type mortise door lock is seen Fig. 1 to Fig. 4, one lock body 1 is arranged, two in the lock body 1 is provided with lock core, one of them lock core is conventional lock core 13, another lock core is an idle-run lock pin, form by lock core 17 and turning set 16, lock core 17 is enclosed within the turning set 16, the end of turning set 16 all has breach 3 on conventional lock core 13 and the idle-run lock pin, between two lock core ends, be provided with shifting block 2, be equiped with arrangement of clutch in the shifting block 2, arrangement of clutch is by two clutch-plates 6 that have

projection

4,7 form, clutch-plate 6, can relatively rotate between 7, one inside convex tendon 5 is arranged on shifting block 2 inwalls, on the convex tendon 5 with the projection 4 corresponding breach that have of clutch-plate, two clutch-

plates

6,7 lay respectively in the breach 3 of turning set 16 ends and conventional lock core 13 ends on the idle-run lock pin, each clutch-plate all can move in the breach of the breach 3 of corresponding conventional lock core 13 ends or turning set 16 ends and shifting block convex tendon 5, move distance is the thickness of shifting block convex tendon 5, is provided with back-moving spring 18 between the end of idle-run lock pin turning set 16 and arrangement of clutch.

Conventional lock core is arranged in the left side of Fig. 1 tapered end, arranged side by side vertically on lock core, have two several main marble holes of row, built-in spring 8 and main pellet shot from a slingshot 9, one end of spring 8 connects the bottom of main marble hole, the other end connects the afterbody of main pellet shot from a slingshot 9, the head of main pellet shot from a slingshot 9 extend in the keyhole, and main pellet shot from a slingshot 9 is a cylinder, and its outside has a V-ring ditch or V-arrangement pit 91, arrange the V-ring ditch of main pellet shot from a slingshot 9 or the position of V-arrangement pit 91 corresponding to two on the lock core 13, be provided with auxiliary marble hole, built-in secondary pellet shot from a slingshot 11, lock body 1 has lock hole corresponding to the auxiliary marble hole place, built-in lock body spring 10 and lock spring 12, the outer end of lock body spring 10 connects lock body 1, and the outer end of lock spring 12 is being pressed in the inner, and the outer end of secondary pellet shot from a slingshot 11 extend in the lock body lock hole, be connected with the inner of lock spring 12, the inner of secondary pellet shot from a slingshot 11 is pressed on the outside of main pellet shot from a slingshot 9.

Idle-run lock pin is arranged in the right of Fig. 1 tapered end, be as the basis with described conventional lock core, between lock core 17 and lock body 1, add a turning set 16, turning set 16 is opened turning set pellet shot from a slingshot hole corresponding to the auxiliary marble hole place, built-in turning set pellet shot from a slingshot 15, lock hole on the lock body 1 is corresponding with turning set pellet shot from a slingshot hole, the outer end of turning set pellet shot from a slingshot 15 extend in the lock hole of lock body 1, be connected with the inner of lock spring 12, the inner of turning set pellet shot from a slingshot 15 is connected with the outer end of the secondary pellet shot from a slingshot 11 of lock core, and the inner of secondary pellet shot from a slingshot 11 is pressed on the outside of main pellet shot from a slingshot 9.

See Fig. 2 and Fig. 3, all be inserted with key 14, two lock cores on conventional lock core and the idle-run lock pin and be in opening.

Claims

1, a kind of tapered end of improved built-in type mortise door lock, comprise lock body, two in the lock body is provided with lock core, the shifting block of dress arrangement of clutch between two lock core ends, being provided with, it is characterized in that: one of them lock core is conventional lock core, and another lock core is an idle-run lock pin, is made up of internal cylinder and the turning set that is enclosed within outside it, idle-run lock pin matches with arrangement of clutch by turning set, is provided with back-moving spring between the end of idle-run lock pin and arrangement of clutch;

Described conventional lock core, arranged side by side vertically on lock core, have two several main marble holes of row, built-in spring and main pellet shot from a slingshot, one end of spring connects the bottom of main marble hole, the other end connects the afterbody of main pellet shot from a slingshot, the head of main pellet shot from a slingshot extend in the keyhole, and main pellet shot from a slingshot is a cylinder, and its outside has a V-ring ditch or V-arrangement pit, arrange the V-ring ditch of main pellet shot from a slingshot or the position of V-arrangement pit corresponding to two on the lock core, be provided with auxiliary marble hole, built-in secondary pellet shot from a slingshot, lock body has lock hole corresponding to the auxiliary marble hole place, built-in lock body spring and lock spring, the outer end of lock body spring connects lock body, and the outer end of lock spring is being pressed in the inner, and the outer end of secondary pellet shot from a slingshot extend in the lock body lock hole, be connected with the inner of lock spring, the inner of secondary pellet shot from a slingshot is pressed on the outside of main pellet shot from a slingshot;

Described idle-run lock pin, form by internal cylinder and turning set, columniform internal cylinder is nested in the columnar turning set, arranged side by side vertically on the internal cylinder, have two several main marble holes of row, built-in spring and main pellet shot from a slingshot, one end of spring connects the bottom of main marble hole, the other end connects the afterbody of main pellet shot from a slingshot, the head of main pellet shot from a slingshot extend in the keyhole, main pellet shot from a slingshot is a cylinder, its outside has a V-ring ditch or V-arrangement pit, arrange the V-ring ditch of main pellet shot from a slingshot or the position of V-arrangement pit corresponding to two on the internal cylinder, be provided with auxiliary marble hole, built-in secondary pellet shot from a slingshot, turning set is opened turning set pellet shot from a slingshot hole 1 to several corresponding to the auxiliary marble hole place, built-in turning set pellet shot from a slingshot, lock body has lock hole corresponding to place, turning set pellet shot from a slingshot hole, built-in lock body spring and lock spring, and the outer end of lock body spring connects lock body, the outer end of lock spring is being pressed in the inner, the outer end of turning set pellet shot from a slingshot extend in the lock body lock hole, is connected with the inner of lock spring, and the inner of turning set pellet shot from a slingshot is connected with the outer end of the secondary pellet shot from a slingshot of lock core, the inner of secondary pellet shot from a slingshot is pressed on the outside of main pellet shot from a slingshot, is provided with the breach that cooperates with arrangement of clutch on turning set.