CN200949353Y - Plug-in type door lock - Google Patents

Abstract

The utility model discloses a lock scalp of the inserting core door lock which comprises a lock body and the two ends of the lock body are arranged with the lock cores. One of the lock cores is a conventional lock core and the other one is a free rotating lock core which comprises a lock core and a rotating sleeve. The lock core sleeve is in the rotating sleeve and a gap is arranged on the conventional lock core and the end part of the rotating sleeve of the free rotating lock core. A drawing joint is arranged between the two lock cores and the drawing joint is arranged with a clutch device. A reset spring is arranged between the free rotating lock core and the clutch device. Compared with the present lock scalp the lock scalp of the utility model utilizes the clutch device has a reset spring, which keeps the rotating sleeve of the free rotating lock core in a continuous dynamic state with the drawing joint and thus resolves the problem that the free rotating lock core is hard to combined with the clutch device since it can be free rotated. The utilization of the free rotating lock core can improve the property of preventing the technical unlock and the destructive prying lock.

Description

The tapered end of mortise door lock

Technical field

The utility model belongs to mechanical lockset, is specifically related to a kind of tapered end of mortise door 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 they 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 match lock core of incompatible control lock core open and close of arc slide and card key that utilizes as ZL01266248.8 and ZL02148955.6 patent documentation, and another kind of by between lock core and lock body, being provided with a turning set, 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 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 mortise door lock, and reason is never to 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 mortise door lock of idle-run lock pin is provided.

The utility model purpose is achieved in that the tapered end of 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 adopts the disclosed lock core of ZL01266248.8 patent documentation, comprise the cylindric lock core that is arranged at rotationally in the lock body, and place between the fitting face of lock body and lock core, be used to the pellet shot from a slingshot, the card key mechanism that stop lock body and lock core to rotate mutually; Cylindric lock core comprises initiatively lock core and the cylindrical shape outer lock core that is sleeved on outside the active lock core, the external surface of lock core some ring-shaped grooves with axis normal that be arranged in parallel initiatively, be symmetrical arranged a pair of arc slide and a slide stage clip in every ring-shaped groove, the two ends of slide stage clip are connected with the tail end of a pair of arc slide respectively, two front end opposite position keeps certain interval, and the symmetric position of the outer rim of every pair of arc slide is provided with a keyway respectively; Described pellet shot from a slingshot, card key mechanism comprise two bar shaped card keys and some to pellet shot from a slingshot, two bar shaped card keys and axis are set in parallel in the chute of outer lock core both sides, lock body inwall and chute relevant position are provided with card key groove, pellet shot from a slingshot is arranged at the card key groove of lock body, and the movable end of pellet shot from a slingshot is crimped on the card key.

Described idle-run lock pin adopts the disclosed lock core of ZL02148955.6 patent documentation, this lock core is made up of active lock core and turning set, initiatively lock core is enclosed within the turning set, in the groove of the hole of active lock core, be provided with shell fragment, the plurality of rows shell fragment is arranged along lock core shaft's line parallel, each row has single shell fragment or is staggered and partly overlapping double shell fragment, single face or the two-sided keyway that all has on each shell fragment, this keyway decides the keyway deviation post of each shell fragment according to the conversion of key bit, when making it key bit with this lock and matching, must overlap with locking card key position, pressure just constitutes coilable unblanking in locking card key is subjected to; Be equipped with at each shell fragment and make its interior pressure element that resets or extrapolation element, press in these elements or extrapolation element all to be loaded in grooves hole of lock core shell fragment; Described locking card key is single or symmetrically arranged two, be installed in the middle of the line of demarcation of lock body and active lock core, below locking card key, be provided with draw key, when unblanking, the part of this draw key can be inserted in the keyway of single shell fragment, maybe can insert double shell fragment and be overlapping in the keyway that connects; When shutting, the top of draw key has constituted a non-lock key insertion lockhole and can arbitrarily reverse 360 ° structure just in time at the edge of active lock core.At the turning set of double-row type structure and initiatively between lock core lining can be housed.

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 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 structural representation 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 the utility model idle-run lock pin unlocking condition schematic diagram.

Fig. 5 is a C-C sectional view among Fig. 1.

The specific embodiment

The tapered end of the utility model mortise door lock is seen Fig. 1, Fig. 2, Fig. 3, and Fig. 5, 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, comprise cylindric internal cylinder 12 and be sleeved on the outer cylindrical shape outer lock core 14 of internal cylinder, the external surface of internal cylinder 12 some the ring-shaped grooves with axis normal that be arranged in parallel, be symmetrical arranged a pair of arc slide 13 and a slide stage clip 18 in every ring-shaped groove, the two ends of slide stage clip 18 are connected with the tail end of a pair of arc slide 13 respectively, two front end opposite position keeps certain interval, and the symmetric position of the outer rim of every pair of arc slide 13 is provided with a keyway 16 respectively; Also comprise between the fitting face that places lock body and lock core, the pellet shot from a slingshot that is used to stop lock body and lock core to rotate mutually, card key mechanism, pellet shot from a slingshot, card key mechanism comprise two bar shaped card keys 15 and some to pellet shot from a slingshot 17, two bar shaped card keys 15 are set in parallel in the chute of outer lock core 14 both sides with axis, lock body 1 inwall and chute relevant position are provided with card key groove, pellet shot from a slingshot 17 is arranged at the card key groove of lock body, the movable end of pellet shot from a slingshot 17 is crimped on the card key 15, be inserted with key 11 in the lockhole, lock is in opening.

Another lock core is an idle-run lock pin, and this lock core is made up of active lock core 25 and turning set 4, and initiatively lock core 25 is enclosed within the turning set 4, and turning set 4 and 25 of lock cores of active are equipped with lining 24; Be provided with shell fragment 22 in the groove of the hole of active lock core 25, plurality of rows shell fragment 22 is arranged along lock core shaft's line parallel, and each row's tool is staggered and partly overlapping double shell fragment the two-sided keyway 23 that all has on each shell fragment 22; Be equipped with at each shell fragment 22 and make its interior pressure element stage clip 26 that resets, press elements all to be loaded in grooves hole of lock core shell fragment in these; Locking card key 19 is symmetrically arranged two, be installed in the middle of the line of demarcation of lock body 1 and active lock core 25, below locking card key 19, be provided with draw key 20,21, when unblanking, the part of this draw key 20,21 can be inserted the keyway interior (referring to Fig. 4) that double shell fragment 22 is overlapping and connects; When shutting, the top of draw key 20,21 has constituted a non-lock key insertion lockhole and can arbitrarily reverse 360 ° structure just in time at the edge of active lock core 25 (referring to Fig. 3).

The end of turning set 4 all has breach 3 on conventional lock core 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 9,10 form, clutch-plate 6, can relatively rotate between 10, one inside convex tendon 8 is arranged on shifting block 2 inwalls, on the convex tendon 8 with the projection 9 corresponding breach that have of clutch-plate, two clutch- plates 6,10 lay respectively in the breach 3 of turning set 4 ends and conventional lock core end on the idle-run lock pin, each clutch-plate all can move in the breach 3 of corresponding conventional lock core end or turning set 4 ends and shifting block convex tendon 8 breach, move distance is the thickness of shifting block convex tendon 8, between the end of idle-run lock pin turning set 4 and arrangement of clutch, be provided with back-moving spring 5, have square hole 7 on the lock body 1, rotate to adapt to shifting block 2.

Claims (2)

1, a kind of tapered end of 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, another lock core is an idle-run lock pin, form by internal cylinder and turning set, internal cylinder is enclosed within the turning set, and 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 comprises the cylindric lock core that is arranged at rotationally in the lock body, and places between the fitting face of lock body and lock core, is used to the pellet shot from a slingshot, the card key mechanism that stop lock body and lock core to rotate mutually; Cylindric lock core comprises initiatively lock core and the cylindrical shape outer lock core that is sleeved on outside the active lock core, the external surface of lock core some ring-shaped grooves with axis normal that be arranged in parallel initiatively, be symmetrical arranged a pair of arc slide and a slide stage clip in every ring-shaped groove, the two ends of slide stage clip are connected with the tail end of a pair of arc slide respectively, two front end opposite position keeps certain interval, and the symmetric position of the outer rim of every pair of arc slide is provided with a keyway respectively; Described pellet shot from a slingshot, card key mechanism comprise two bar shaped card keys and some to pellet shot from a slingshot, two bar shaped card keys and axis are set in parallel in the chute of outer lock core both sides, lock body inwall and chute relevant position are provided with card key groove, pellet shot from a slingshot is arranged at the card key groove of lock body, the movable end of pellet shot from a slingshot is crimped on the card key, the lock core end cooperate with arrangement of clutch breach open on cylindric active lock core;

Described idle-run lock pin is made up of active lock core and turning set, initiatively lock core is enclosed within the turning set, in the groove of the hole of active lock core, be provided with shell fragment, the plurality of rows shell fragment is arranged along lock core shaft's line parallel, each row has single shell fragment or is staggered and partly overlapping double shell fragment, single face or the two-sided keyway that all has on each shell fragment, this keyway decides the keyway deviation post of each shell fragment according to the conversion of key bit, when making it key bit with this lock and matching, must overlap with locking card key position, pressure just constitutes coilable unblanking in locking card key is subjected to; Be equipped with at each shell fragment and make its interior pressure element that resets or extrapolation element, press in these elements or extrapolation element all to be loaded in grooves hole of lock core shell fragment; Described locking card key is single or symmetrically arranged two, be installed in the middle of the line of demarcation of lock body and active lock core, below locking card key, be provided with draw key, when unblanking, the part of this draw key can be inserted in the keyway of single shell fragment, maybe can insert double shell fragment and be overlapping in the keyway that connects; When shutting, the top of draw key has constituted a non-lock key insertion lockhole and can arbitrarily reverse 360 ° structure just in time at the edge of active lock core, is provided with the breach that cooperates with arrangement of clutch on turning set.

2, tapered end according to claim 1 is characterized in that the turning set of double-row type structure and initiatively between lock core lining is housed.

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