CN2440901Y - Long/short key turning-bolt lock - Google Patents

Abstract

The utility model relates to a long/short key turning-bolt lock which comprises a lock bolt, a lock plate, a lock body, a lock core, and a spring and is characterized in that a movable groove of the lock plate, a right turning groove for the lock core and a left turning groove for the lock core are arranged on the wall of an inner hole of the lock body, wherein the right turning groove for the lock core and the left turning groove for the lock core are respectively arranged on the rear middle part and the front middle part of the wall of the inner hole of the lock body. When a long key is used for unlocking, the lock core can only clockwise rotate by 90 DEG; when a short key is used for unlocking, the lock core can only counterclockwise rotate by 90 DEG. The utility model has the characteristic that the same lock can be unlocked by two keys with different shapes, and the lock is especially suitable for being used as the door lock for a letter box or a delivering box.

Description

Length key turning-bolt lock

The utility model relates to the hardware ﹠ tools field, and particularly a kind of being used in can be with two keys different in size with the length key turning-bolt lock of driving a lock on various mailboxs, the drop-off box.

At present, the door lock that uses on various mailboxs, drop-off box all is common door lock, and this lock does not possess the function that all can be opened with two difform keys.Convenience for the safety that guarantees Subscriber Application Barring Lock and postman's lock, the general key of opening Subscriber Application Barring Lock in a sub-district or building, Building 1 is mutually different, and the key of driving postman's lock is identical, with regard to this two doors need be set on mailbox or drop-off box, on two doors, adorn Subscriber Application Barring Lock and postman lock respectively, so just made the complex structure of mailbox or drop-off box, cost is also high.

Task of the present utility model is can not provide a kind of length key turning-bolt lock that can drive a lock with the key that two shapes differ together with two difform keys with the weak point of driving a lock at the existing door lock that uses on various mailboxs, drop-off box is existing.

Task of the present utility model is finished as follows: length key turning-bolt lock comprises dead bolt, locking plate, lock body, lock core and spring.Spring is located in the spring eye of lock core, and locking plate is inserted in the locking plate slot of lock core, and lock core is located in the endoporus of lock body, dead bolt by screw and spacers on the rear end of lock core.Wherein, have locking plate movement slots, lock core dextrad turn trough and lock core left-hand turn trough on the lock body inner hole wall, lock core dextrad turn trough and lock core left-hand turn trough are located at respectively on second half section of lock body inner hole wall and preceding half section.The key of unblanking is divided into long key and short key, and when in the keyhole of long key insertion lock core, lock core can only rotate 90 ° to clockwise direction; When short key inserted in the keyhole of lock core, lock core can only rotate 90 ° to counter clockwise direction.When door lock that this length key turning-bolt lock is used on as mailbox, drop-off box, because long key has definite different separately direction of rotation with short key, by simple machine driving conversion, can realize the display board lifting that is located on mailbox or the drop-off box is controlled automatically.

The utility model length key turning-bolt lock is compared with the existing door lock that uses on various mailboxs, drop-off box, have the advantages that same the key that differ of available two shapes of lock opened, when being used in this lock on mailbox, the drop-off box, only need on mailbox, drop-off box, to establish Yishanmen, can reach the unblank advantage of convenience of safety that the user unblanks and postman, simplify the structure of mailbox or drop-off box greatly, also reduced the cost of producing mailbox or drop-off box simultaneously.The utility model is particularly suitable as the door lock of mailbox or drop-off box.

Description of drawings:

The structural representation of the length key turning-bolt lock of Fig. 1 for the time with long key unlocking.Wherein (1) represents screw; (2) expression pad; (3) expression dead bolt; (4) expression locking plate; (5) expression nut; (6) expression lock body; (7) expression lock core; (8) the long key of expression.

Fig. 2 is the structural representation of the length key turning-bolt lock when using the weak point key unlocking.Wherein (9) represent short key.

Fig. 3 is the A-A sectional view of Fig. 1.Wherein (10) represent spring; (11) expression lock core dextrad turn trough; (12) expression locking plate movement slots.

Fig. 4 is the B-B sectional view of Fig. 1.Wherein (13) represent lock core left-hand turn trough.

Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.

The utility model length key turning-bolt lock comprises dead bolt (3), locking plate (4), lock body (6), lock core (7) and spring (10).Spring (10) is located in the spring eye of lock core (7), and locking plate (4) is inserted in the locking plate slot of lock core (7), and lock core (7) is located in the endoporus of lock body (6), and dead bolt (3) is fixed on the rear end of lock core (7) by screw (1) and pad (2).For the ease of the utility model length key turning-bolt lock is fixed on the chamber door of mailbox or drop-off box, on the lateral surface of lock body (6), be provided with hold-down nut (5).Have locking plate movement slots (12), lock core dextrad turn trough (11) and lock core left-hand turn trough (13) on the inner hole wall of lock body (6), lock core dextrad turn trough (11) and lock core left-hand turn trough (13) are located at respectively on second half section of inner hole wall of lock body (6) and preceding half section.The key of opening this length key turning-bolt lock is divided into long key (8) and short key (9), and when in lock core (7) keyhole of long key (8) insertion lock body (6), lock core (7) can only rotate 90 ° to clockwise direction; When short key (9) inserted in lock core (7) keyhole of lock body (6), lock core (7) can only rotate 90 ° to counter clockwise direction.

Claims (2)

1, a kind of length key turning-bolt lock, this length key turning-bolt lock comprises dead bolt (3), locking plate (4), lock body (6), lock core (7) and spring (10), spring (10) is located in the spring eye of lock core (7), locking plate (4) is inserted in the locking plate slot of lock core (7), lock core (7) is located in the endoporus of lock body (6), dead bolt (3) is fixed on the rear end of lock core (7) by screw (1) and pad (2), it is characterized in that on the inner hole wall of lock body (6), having locking plate movement slots (12), lock core dextrad turn trough (11) and lock core left-hand turn trough (13), lock core dextrad turn trough (11) and lock core left-hand turn trough (13) are located at respectively on second half section of inner hole wall of lock body (6) and preceding half section, wherein when long key (8) inserted in lock core (7) keyhole of lock body (6), lock core (7) can only rotate 90 ° to clockwise direction; When short key (9) inserted in lock core (7) keyhole of lock body (6), lock core (7) can only rotate 90 ° to counter clockwise direction.

2, length key turning-bolt lock according to claim 1 is characterized in that being provided with hold-down nut (5) on the lateral surface of lock body (6).

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