CN200952282Y

CN200952282Y - Improved inserting core door lock

Info

Publication number: CN200952282Y
Application number: CN 200620052322
Authority: CN
Inventors: 雷先鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-26
Filing date: 2006-09-26
Publication date: 2007-09-26
Anticipated expiration: 2016-09-26

Abstract

The utility model discloses an improved plug of mortise lock, which comprises a lock body. Two ends in the lock body are provided with plugs, wherein one plug is a general plug, the other plug is an idle plug which comprises a plug and a clutch core. The end parts on the general plug and the idle plug are all provided with gaps, a follower is arranged between the end parts of the two plugs, the follower is equipped with a clutch device, and a return spring is arranged between the clutch device and the idle plug. Comparing with the prior plug, the plug of the utility model adopts the clutch device with the return spring, thereby making the clutch core on the idle plug always be in the interlocking condition with the follower, and solving the problems that the idle plug is difficult to be matched with the clutch device because the plug can be idled. After the utility model uses the idle plug, the properties on preventing technical unlocking and destructive prying are further improved.

Description

Improved mortise lock

Technical field

The utility model belongs to mechanical lockset, is specifically related to a kind of improved mortise lock.

Background technology

The tapered end of existing 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 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 lock core that utilizes preceding as the ZL200420014031.4 patent documentation, the clutch core after, can make the lock core (idle-run lock pin) of Lock cylinder idling.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 the relative clutch core idle running of lock core, 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 improved mortise lock that comprises idle-run lock pin is provided.

The utility model purpose is achieved in that improved mortise 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, be made up of lock core and clutch core, idle-run lock pin matches with arrangement of clutch by the clutch core, 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 ZL200420014031.4 patent documentation, lock core and clutch core retainer plate are in lock body, lock core is preceding, the clutch core after, the clutch core is the main body of unblanking, lock core vertically have one to two row several pellet shot from a slingshot holes, place a spring in the hole, a main pellet shot from a slingshot vertically has secondary bullet groove at lock core perpendicular to main pellet shot from a slingshot place, and secondary pellet shot from a slingshot is placed in the inside, there are several projections secondary pellet shot from a slingshot the inner, have the clutch cotter way at the clutch core corresponding to secondary pellet shot from a slingshot place, built-in on-of pin has lock slots at lock body corresponding to the on-of pin place, be provided with the pellet shot from a slingshot hole in the groove, put into a spring, a pellet shot from a slingshot, the order of connection is: lock body, spring, on-of pin, secondary pellet shot from a slingshot, 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 clutch core 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 clutch core 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 the relative clutch core idle running of lock core; 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 clutch core and lock core are rotated together, drives shifting block and rotates the switch of realizing lock.

The improved mortise lock of the utility model is compared with existing tapered end, owing to adopted the arrangement of clutch of band back-moving spring, clutch core on the idle-run lock pin is in and shifting block interlock state all the time, solved existing idle-run lock pin because the clutch core 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.

Fig. 5, Fig. 6 are the view of the utility model when inserting key.

The specific embodiment

The improved mortise lock of the utility model 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 clutch core 25, the end of clutch core 25 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 clutch core 25 ends and conventional lock core 13 ends on the idle-run lock pin, and each clutch-plate all can move in the breach of the breach 3 of corresponding conventional lock core 13 ends or clutch core 25 ends and shifting block convex tendon 5, move distance is the thickness of shifting block convex tendon 5, is provided with back-moving spring 15 between the end of idle-run lock pin clutch core 25 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, lock core 19 and clutch core 25 are enclosed within the lock body 1, lock core 19 is preceding, clutch core 25 after, clutch core 25 is the main body of unblanking, lock core 19 vertically has one to two several pellet shot from a slingshot holes of row, place 26, one main pellets shot from a slingshot 17 of a spring in the hole, vertically have secondary bullet groove 20 perpendicular to main pellet shot from a slingshot 17 places at lock core 19, secondary pellet shot from a slingshot 16 is placed in the inside, there are several projections 18 secondary pellet shot from a slingshot the inner, has the clutch cotter way at clutch core 25 corresponding to secondary pellet shot from a slingshot 16 places, built-in on-of pin 21, have lock slots 22 at lock body 1 corresponding to on-of pin 21 places, be provided with the pellet shot from a slingshot hole in the groove, put into 24, one pellets shot from a slingshot 23 of a spring, the order of connection is: lock body 1, spring 24, pellet shot from a slingshot 23, on-of pin 21, secondary pellet shot from a slingshot 16, main pellet shot from a slingshot 17.

Shown in Figure 3, be inserted with key 27 in the lock core 19, the clutch core separates with lock body, is connected as a single entity with lock core, and lock is in opening.

See Fig. 5 and Fig. 6, do not have key in the lock core, the clutch core separates with lock core, is connected as a single entity with lock body, and lock is in closure state, and lock core can arbitrarily rotate.

Claims

1, a kind of improved mortise 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 lock core and clutch core, idle-run lock pin matches with arrangement of clutch by the clutch core, 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, lock core and clutch core retainer plate are in lock body, lock core is preceding, the clutch core after, the clutch core is the main body of unblanking, lock core vertically has one to two several pellet shot from a slingshot holes of row, place a spring in the hole, a main pellet shot from a slingshot vertically has secondary bullet groove at lock core perpendicular to main pellet shot from a slingshot place, secondary pellet shot from a slingshot is placed in the inside, there are several projections secondary pellet shot from a slingshot the inner, has the clutch cotter way at the clutch core corresponding to secondary pellet shot from a slingshot place, built-in on-of pin, have lock slots at lock body corresponding to the on-of pin place, be provided with the pellet shot from a slingshot hole in the groove, put into a spring, a pellet shot from a slingshot, the order of connection is: lock body, spring, on-of pin, secondary pellet shot from a slingshot, main pellet shot from a slingshot is provided with the breach that cooperates with arrangement of clutch on the clutch core.