CN2214489Y - Key type security cipher lock - Google Patents

Abstract

The utility model relates to a key-typed safety cipher lock, which is suitable for being used on the anti-theft door or the safe, and the key-typed safety cipher lock is composed of a lock head portion, a lock tongue portion and a connection shaft which is used for connecting the lock head portion and the lock tongue portion. The lock head portion comprises a lock casing, a key, a lock pin, a lock disk and a rotating shaft. The utility model is characterized in that a reset spring is arranged between the key and the lock pin, the upper side of the rotating shaft is provided with a reset plate and a rotating plate. The key of the key-typed safety cipher lock can be reset immediately after the key is pressed, and the cipher leakage can be prevented. Meanwhile, the lock head portion is additionally provided with a mechanical locking device and an alarm device, and the safety performance of the key-typed cipher lock is enhanced. The utility model can be used for families, banks and guesthouses.

Description

Key type security cipher lock

The utility model relates to a kind of lockset, particularly has the mechanical code lock of button.

It is of a great variety to appear at mechanical code lock on the market or patent applied at present.Mechanical code lock has opens convenient, simple and practical advantage, but in a single day password allows others know, others can open lock equally easily.Therefore, coded lock is further used, the cryptographic security and the security insurance coefficient that improve coded lock become the task of top priority.The existing mechanical coded lock, as Chinese patent 87213260,90202085.4, its button all can not automatically reset, and coded lock need be established a reset key in addition.Like this, not only make the coded lock complex structure, and open when having other staff on the scene and divulge a secret easily, greatly reduce the safety of coded lock.

The purpose of this utility model provides a kind of by the automatically reset key cipher lock with insurance function of bond energy, to strengthen the confidentiality and the security insurance performance of coded lock password.

Push-button puzzle lock, normally form with the connecting axle that is connected these two parts by tapered end part, dead bolt part, its lock head branch comprises lock housing, is embedded in button, the lock pin with the contact of button bottom, the lock collar of placing lock pin and the turning cylinder that is connected with connecting axle in the lock housing, and dead bolt partly comprises dead bolt, the driver plate that connects dead bolt and the idler shaft that links to each other with connecting axle.The purpose of this utility model realizes by following scheme: between the button of tapered end part and lock pin back-moving spring is set, and loads onto restoring board and rotor plate on turning cylinder.Like this, after button presses down, resetted by back-moving spring, the lock pin below the button then is in down state at once.After the password according to coded lock pushed button, the rotor plate on the turning cylinder just can not blocked by lock pin, can freely rotate turning cylinder, and coded lock is opened.When coded lock need lock, as long as the pulling turning cylinder, the drive restoring board resetted lock pin and gets final product.In addition, can partly increase mechanical locking, warning device etc., to improve the security insurance performance of coded lock at tapered end.

The utility model will be further described below in conjunction with accompanying drawing.

Fig. 1 is the sectional drawing of the button puzzle lock that proposes of the utility model.

Fig. 2 is out the front view of position pin.

Fig. 3 is the front view of off-position pin.

Fig. 4 is the front view of lock collar.

Fig. 5 is the sectional drawing of lock collar along A-A.

Fig. 6 is the front view of rotor plate.

Fig. 7 is the front view of fixed head.

Fig. 8 is the front view of restoring board.

As shown in Figure 1, the tapered end of button puzzle lock partly is installed in the outside of door, and dead bolt partly is installed in the inboard of door, and the centre has a connecting axle (29) to connect.The part of tapered end part, except the part of button (3), mechanical lock (32) and turning cylinder (1) was exposed on lock housing (28) surface, remaining all was contained in lock housing (28) inside.There is a fixed head (9) lock housing (28) inside, and lock housing (28) just is fixed on the fixed head (9), and the tongue shell (16) of fixed head (9) and dead bolt part adopts connecting bolt (24) to pass door-plate to link to each other, so just whole lock body is fixed on the door.

The press key locking device of tapered end part comprises rotor plate (8) and the restoring board (10) on back-moving spring (4) between lock collar (31), button (3) and the lock pin (5) of button (3), the lock pin (5) that contacts with button (3) bottom, placement lock pin (5), turning cylinder (1), the turning cylinder (1).On turning cylinder (1), be provided with safety plug (2), turning cylinder (1) can be drawn out, but allow turning cylinder (1) indentation or pull out in a short distance, make restoring board (10) operate as normal.Lock pin (5) in the lock collar (31) has two types: a kind ofly be out position pin, as shown in Figure 2; Another kind is the off-position pin, as shown in Figure 3.These two kinds of lock pins (5) respectively have several in lock collar (31).The shape of two kinds of lock pins (5) is basic identical: a side has two recesses (35), and opposite side is a groove (41), and its difference is out the centre position of a groove (41) of selling than the more close lock pin of the groove on the off-position pin (41) (5).As shown in Figure 4 and Figure 5, lock pin (5) is contained in the lockpin hole (36) in the lock collar (31).In the present embodiment, nine buttons (3) are set altogether, corresponding then have nine lock pins (5), and nine lockpin holes (36) are also arranged on lock collar (31).A locating hole (37) is all arranged on the sidewall of each lockpin hole (36), and there is a steel ball (6) in its aperture, and the smaller part of steel ball (6) partly exposes the aperture, and its inboard is a spring (7).This steel ball (6) positions lock pin (5) gently being pressed under the effect of spring (7) on one of them recess (35) of lock pin (5).Under reset mode, steel ball (6) is near in the recess (35) of groove (41).Button (3) on lock housing (28) is when clicking, and lock pin (5) glides, and steel ball (6) is in that recess (35) away from groove (41), and makes lock pin (5) location.On groove (41) position when rotor plate (8) position on the turning cylinder (1) is in off-position pin reset mode in the lock pin (5).The shape of rotor plate (8) as shown in Figure 6, middle hole is used for turning cylinder (1) and passes, half garden shape recess (34) is arranged on its edge, the radius of recess (34) is a bit larger tham the radius of lock pin (5), the number of recess (34) is identical with the number of lock pin (5), and the part that lock pin (5) stretches out from lock collar (31) is close in the recess (34).When the lock head branch is in reset mode, because the groove (41) of the off-position pin in the lock pin (5) is in the same plane with rotor plate (8), so rotor plate (8) can not blocked by the off-position pin.But groove (41) position of opening position pin is on the top of rotor plate (8), and shank is close in the recess (34) of rotor plate (8), therefore stoped the rotation of rotor plate (8).Have only when button (3) press all open position pin after, make groove (41) position in all lock pins (5) all be on the plane of rotor plate (8) after, rotor plate (8) could freely rotate.If pushed the wrong a button (3), for example one of them off-position pin is pressed down, even all press down opening the position pin so,, thereby rotor plate (8) is rotated because the bottom of rotor plate (8) has been arrived in the position of the groove (41) on the off-position pin.Like this, pairing button (3) number is sold in all positions of opening, and is exactly the password of this key cipher lock.In the present embodiment, select three to open position pin, six off-position pins, can form 84 groups of different passwords.Change password if desired, only need to change the position of opening the position pin and get final product.

As shown in Figure 7, nine lockpin holes (26) corresponding with lock pin (5) are arranged on fixed head (9), the lower end of lock pin (5) puts in these holes.After button (3) was clicked, its corresponding lock pin (5) will pass fixed head (9).Opposite side at fixed head (9) is a restoring board (10), and restoring board (10) is limited on the turning cylinder (1) it by cottor pin (11).

As shown in Figure 1, the tapered end part also comprises a mechanical lock (32), and mechanical lock (32) is fixed on the lock housing (28) by jump ring (33).On rotor plate (8), have one with the corresponding recess of mechanical lock (32) (38), when recess (38) went to mechanical lock (32) side, the lock core of mechanical lock (32) can enter in the recess (38) and rotor plate (8) can not be rotated.Like this, when unblanking, except pressing password, also need to open mechanical lock (32), could open by a lock.Even known password,, also be not all right if there is not the key of mechanical lock (32).Therefore, load onto mechanical lock (32) here and have insurance function.

As shown in Figure 1, the tapered end part also is connected with an alarm (39).As shown in Figure 8, restoring board (10) adopts insulation materials to make, and there is printed circuit (40) on its surface, and making on the pairing position of each lock pin (5) all has a circuit, is connected with alarm (39) by lead.Between restoring board (10) and fixed head (9), an insulating slab (30) is set, prevents that the printed circuit (40) on the restoring board (10) from running into fixed head (9).When the off-position pin by after restoring board (10) is gone up, the warning circuit conducting, alarm (39) sends the sound; When opening the position pin by after going up at restoring board (10), warning circuit can conducting.Like this, when other people disorderly during button (3), alarm (39) is just reported to the police, and notes with reminds people.The last insulation cover plate (27) that adopts of tapered end part covers the part of tapered end part.

The key cipher lock that present embodiment provided is a kind of lock that is applicable to security door, and its dead bolt partly comprises dead bolt (13), tongue cover (12), cover plate (14), tongue mouth (16), idler shaft (20), handle (21), safeguard (22), driver plate (15), steady pin (17), location-plate (18), portable plate (19) etc.After opening this key cipher lock, turning cylinder (1) drives idler shaft (20) by connecting axle (29) and rotates, stir portable plate (19) by idler shaft (20) again, dead bolt (13) is put in tongue cover (12) or the retraction tongue shell (16) by driver plate (15).Simultaneously, the outer handle (21) of tongue shell (16) is connected with idler shaft (20), is used for the unlatching of people's lock when door is inboard.In addition, the dead bolt part also is equipped with safeguard (22), and safeguard (22) is located by the steel ball (23) on the spring (25).After pulling on safeguard (22), idler shaft (20) just can not rotate, though people outdoors know password and key arranged, can not open door, play safety effect.

The utility model has strengthened the confidentiality of password owing to automatically reset by bond energy; Restoring board is set on turning cylinder, makes the structure of key cipher lock obtain simplifying; Simultaneously, mechanical locking and warning system are installed on coded lock, have improved the security insurance coefficient of key cipher lock greatly.The utility model can be widely used on the security door and strongbox in family, bank, hotel.

Claims (8)

1, a kind of button puzzle lock, by the tapered end part, the dead bolt part is formed with the connecting axle that is connected these two parts (29), the lock head branch comprises lock housing (28), be embedded in the button (3) in the lock housing (28), the lock pin (5) that contacts with button (3) bottom, place the lock collar (31) of lock pin (5) and the turning cylinder (1) that is connected with connecting axle (29), dead bolt partly comprises dead bolt (13), the driver plate (15) and the idler shaft (20) that links to each other with connecting axle (29) that connect dead bolt (13), this key cipher lock is characterised in that between button (3) and the lock pin (5) back-moving spring (4) is set, restoring board (10) and rotor plate (8) are housed on the turning cylinder (1).

2, key cipher lock according to claim 1, there is half garden shape recess (34) at the edge that it is characterized in that rotor plate (8), the radius of recess (34) is a bit larger tham the radius of lock pin (5), the number of recess (34) is identical with the number of lock pin (5), and the part that lock pin (5) stretches out from lock collar (31) is close in the recess (34).

3, key cipher lock according to claim 1 and 2 is characterized in that the lock pin (5) in the lock collar (31) divides two types, a kind ofly is out the position pin, and another kind is the off-position pin, and these two kinds of lock pins (5) respectively have several in lock collar (31).

4, key cipher lock according to claim 1 and 2, it is characterized in that two recesses (35) are arranged on the lock pin (5), on each lockpin hole (36) sidewall in the lock collar (31) locating hole (37) is arranged all, there is a steel ball (6) in the aperture, its inboard is a spring (7), steel ball (6) positions lock pin (5) gently being pressed under the effect of spring (7) on one of them recess (35) of lock pin (5).

5, key cipher lock according to claim 1 and 2 is characterized in that the tapered end part also comprises mechanical lock (32).

6, key cipher lock according to claim 5, it is characterized in that recess (38) is arranged on the rotor plate (8), when recess (38) went to mechanical lock (32) side, the lock core of mechanical lock (32) can enter in the recess (38) and rotor plate (8) can not be rotated.

7, key cipher lock according to claim 1 and 2 is characterized in that the tapered end part is connected with an alarm (39).

8, key cipher lock according to claim 7, it is characterized in that restoring board (10) adopts insulation materials to make, there is printed circuit (40) on its surface, makes the pairing position of each lock pin (5) that a circuit all be arranged, and is connected with alarm (39) by lead.

Images