CN200949354Y - Plug-in type door lock - Google Patents

Abstract

The utility model discloses a lock-head of core-insert door lock including a lock body. Two ends of the lock body are provided with lock cores, one lock core is a conventional core, and the other one is an idling core, the lock-head comprises the lock cores and rotation sleeves, the lock core is wrapped in the rotation sleeve, the ends of the rotation sleeves on the conventional core and the idling core are provided with gaps, a pulling head is arranged between two lock cores, a clutch is arranged in the pulling head, a reset spring is provided between the clutch and the idling core. Compared the exiting lock-head, the lock-head of the utility model makes the rotation sleeve on the idling core be interlocking condition with the pulling head, sloves the problem that the idling core is difficult to combine the clutch because the lock core can idly rotate. The utility model adopts the idling core, so the performance of preventing technical unlock and destructive lock prying can be further improved.

Description

A kind of 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 ZL200420089298.X 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 built-in type 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 internal cylinder and is sleeved on the outer cylindrical shape outer lock core of internal cylinder, the external surface of internal cylinder some the ring-shaped grooves with axis normal that be arranged in parallel, 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 ZL200420089298.X patent documentation, this lock core is made up of internal cylinder and turning set, internal cylinder is enclosed within the turning set, in internal cylinder, be provided with the pellet shot from a slingshot and the internal key pilot trench of band hole groove, be provided with internal key in the internal key pilot trench, offer the external key draw-in groove on described turning set, be provided with external key in the external key draw-in groove, the position relative with the external key draw-in groove at described lock body inwall is provided with draw-in groove.

Described pellet shot from a slingshot and internal key pilot trench and internal key, external key draw-in groove and external key can be two covers, and they are located at the both sides at internal cylinder center respectively, and the position relative with two external key draw-in grooves at the lock body inwall is provided with draw-in groove.Like this, it is more to utilize two cover billiard mechanisms that the spoon sign indicating number is changed, and is more conducive to the raising of tapered end security performance.

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 a C-C sectional view among Fig. 1.

Fig. 5 is the another kind of structural representation of idle-run lock pin in the utility model.

The specific embodiment

The tapered end of the utility model mortise door lock is seen Fig. 1 to Fig. 4, one lock body 15 is arranged, two in the lock body 15 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 20 in every ring-shaped groove, the two ends of slide stage clip 20 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 17 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 18 and some to pellet shot from a slingshot 19, two bar shaped card keys 18 are set in parallel in the chute of outer lock core 14 both sides with axis, lock body 15 inwalls and chute relevant position are provided with card key groove, pellet shot from a slingshot 19 is arranged at the card key groove of lock body, the movable end of pellet shot from a slingshot 19 is crimped on the card key 18, be inserted with key 16 in the lockhole, lock is in opening.

Another lock core is an idle-run lock pin, form by internal cylinder 21 and turning set 5, internal cylinder 22 is enclosed within the turning set 5, in internal cylinder 21, be provided with the pellet shot from a slingshot 4 and the internal key pilot trench of band hole groove 23, be provided with internal key 3 in the internal key pilot trench, the rear end of pellet shot from a slingshot 4 is provided with back-moving spring 22, offers the external key draw-in groove on described turning set 5, be provided with external key 2 in the external key draw-in groove, the position relative with the external key draw-in groove at described lock body inwall is provided with draw-in groove.

The end of turning set 5 all has breach 27 on conventional lock core and the idle-run lock pin, between two lock core ends, be provided with shifting block 1, be equiped with arrangement of clutch in the shifting block 1, arrangement of clutch is by two clutch-plates 10 that have projection 8,11 form, clutch-plate 10, can relatively rotate between 11, one inside convex tendon 9 is arranged on shifting block 1 inwall, on the convex tendon 9 with the projection 8 corresponding breach that have of clutch-plate, two clutch- plates 10,11 lay respectively in the breach 27 of turning set 5 ends and conventional lock core end on the idle-run lock pin, each clutch-plate all can move in the breach 27 of corresponding conventional lock core end or turning set 5 ends and shifting block convex tendon 9 breach, move distance is the thickness of shifting block convex tendon 9, is provided with back-moving spring 7 between the end of idle-run lock pin turning set 5 and arrangement of clutch.

Idle-run lock pin can also adopt another kind of structure, as shown in Figure 5, described pellet shot from a slingshot and internal key pilot trench and internal key, external key draw-in groove and external key can be two covers, and they are located at the both sides at internal cylinder center respectively, and the position relative with two external key draw-in grooves at the lock body inwall is provided with draw-in groove.Be inserted with key 24 among the figure in the lock core, lock is in opening, and turning set 5 can rotate with respect to lock body 15.

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 internal cylinder and is sleeved on the outer cylindrical shape outer lock core of internal cylinder, the external surface of internal cylinder some the ring-shaped grooves with axis normal that be arranged in parallel, 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 internal cylinder;

Described idle-run lock pin is made up of internal cylinder and turning set, internal cylinder is enclosed within the turning set, in internal cylinder, be provided with the pellet shot from a slingshot and the internal key pilot trench of band hole groove, be provided with internal key in the internal key pilot trench, on described turning set, offer the external key draw-in groove, be provided with external key in the external key draw-in groove, the position relative with the external key draw-in groove at described lock body inwall is provided with draw-in groove, and the breach that the lock core end cooperates with arrangement of clutch is opened on turning set.

2, tapered end according to claim 1, it is characterized in that pellet shot from a slingshot and internal key pilot trench and internal key, external key draw-in groove and external key are two covers in the described idle-run lock pin, they are located at the both sides at internal cylinder center respectively, and the position relative with two external key draw-in grooves at the lock body inwall is provided with draw-in groove.

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