CN2349312Y - Key puzzle lock - Google Patents

Abstract

The utility model relates to a key cipher lock which is formed by the connection of an outer shell, an eccentric wheel, a deflector rod, a pin block, a long and a short circular cover plates, a positioning rod, a shaft, a tension spring, a shaft pin, a lock tongue, a spring, a positioning spring sheet, a pin rod, a rotating shaft, a pin shaft, a function selecting turn knob, a torsion spring, a cipher opening key, a digital sheet, a disc, a shaft sleeve, a threaded rod, a lock core and a bush, wherein, the shaft sleeve and a sliding slot are cast with the outer shell into a whole, and the eccentric wheel, the deflector rod, the positioning rod, the pin rod and the rotating shaft are positioned, supported and connected by the shaft sleeve. The pin block and a supporting shaft sleeve of a positioning shaft are cast with the outer shell into a whole, and the lock tongue is supported and connected by a slot and a hole. The precision of the lock is high, people do not know ciphers can not unlock the lock, and the lock can be unlocked by selecting to use a key and the ciphers simultaneously. The utility model has the advantages of safety and low cost.

Description

A kind of cryptographic key and lock

The utility model is a kind of cryptographic key and lock, belongs to daily living article.

Various types of locks are a lot of on the market now, useful key operated ball spring lock, and the mechanical code lock that useful rotation number is opened also has electronic lock etc., and is of a great variety.But they respectively have its shortcoming.Unblanked by others' copied key easily as ball spring lock, and key inconvenience carries, lose easily; The shortcoming of number mechanical code lock maximum is that precision people low, that do not know password also can utilize feel and mike technique easily lock to be opened poor stability; Electronic lock then often intensity difference, insecure, easily be hit, fragile, power consumption is many.People wish to have and a kind ofly both can open the lock with the key also available password unlocking, or the cryptographic key and lock of selecting for use key and password double insurance just can unblank very much.

The purpose of this utility model also can utilize feel and mike technique easily lock to be opened in order to overcome and to solve existing number mechanical code lock precision people low, that do not know password, poor stability or electronic lock intensity difference, insecure, easily be hit, fragile, power consumption is many etc. shortcoming and problem, satisfy people's hope, the cryptographic key and lock that research, design a kind of intensity height, safety is good, solid and reliable, can select for use key and password double insurance just can unblank.

The utility model is realized by following structure technology scheme: the facing of this cryptographic key and lock, plan structure schematic diagram respectively as shown in Figure 1 and Figure 2, the A of Fig. 2 is to view and B to view respectively as shown in Figure 3, Figure 4.It is by shell 1, eccentric wheel 2, driving lever 3, lock dog 4, long cover plate 5, backstay 6, extension spring 7, pivot pin 8, dead bolt 9, spring 10,14,20,25, positioning reed 11, pin rod 12, rotating shaft 13, bearing pin 15, function selecting knob 16, torsion spring 17, password start button 18, digital sheet 19,32, pad 21, locating pin 22, axle sleeve 23, screw rod 24, short cover plate 26, lock core 27, panel 28, lining 29, digital disk 30, closing disk 31, locating shaft 33, back shroud 34 is interconnected to constitute jointly, its interconnected relationship is: axle sleeve is shell 1 and casts a single piece, eccentric wheel 2, driving lever 3, backstay 6, locking bar 12, rotating shaft 13 all connects by the axle sleeve positioning supports, lock dog 4, bearing pin 15, the support sleeve of locating shaft 33 is all cast an integral body with shell 1, dead bolt 9 connects by shell 1 side slot and shaft tail end half-arc groove positioning supports, extension spring 7 two ends difference hook is in locking bar 12 and shell 1, pivot pin 8 presses with dead bolt 9 and is connected, positioning reed 11 is installed on the axle sleeve of backstay 6, bearing pin 15 and screw rod 24 are connected by screw thread, three function selecting knobs 16 are loaded on respectively on the end of eccentric wheel 2 two ends and backstay 6, torsion spring 17 two ends difference hook is on shell 1 and eccentric wheel 2, password start button 18 is loaded on pin rod 12 1 ends, two digital sheets 19 are loaded on the axle sleeve of rotating shaft 13, axle sleeve 23 and screw rod 24, spring 25, bearing pin 15 connects into a single piece, short cover plate 26 usefulness screws are installed on spring 14 and the locating shaft 33, lock core 27 is in panel 28 is contained in the round hole of door, the caudal peduncle of lock core 27 inserts in the slotted hole of driving lever 3, lining 29 is loaded on the digital disk 30 and in panel 28 is contained in the round hole of door, the handle of rotating shaft 13 inserts in the slotted hole of digital disk 30, digital sheet 32 rivetings are in rotating shaft 13, and back shroud 34 usefulness screws are installed on the shell 1.Its action principle is as follows: the state that to be 16 groups of function selecting knobs locked at key and cryptographic function of the state shown in Figure of description.When unblanking outdoors, at first digital disk scale 40 is enclosed the back facing to the clockwise commentaries on classics 2 of triangle symbol and aim at first password, second password of aligning after inhour turns around turns to the 3rd password of aligning to unblank again clockwise.During, de-rotation 30 suitable when digital disk, rotate digital sheet 32 by rotating shaft 13, locating pin is all arranged on every, a slice drives a slice, and breach is all up on the center line on this moment three number chips.Insert in the spoon groove of lock core 27 with key again and clockwise direction turn 90 degrees, drive driving lever 3 and make pin block 4 break away from the grooves of dead bolts 9 downwards, under spring and arc groove effect, make the groove slippage of pin rod 12 to next digital sheet, dead bolt 9 advances left, locks just to be opened; This lock is a kind of cryptographic key and lock, it can singly open the lock with the key, list is same with just unblanking with password unlocking, key and password, it selects principle to be: when (1) selects list to use key, push password start button 18 earlier, make the password start button be in self-locking state and make pin rod 12 and dead bolt 9,19,32 renunciations of digital sheet, again function selecting knob 16 is allocated to the key unlocking position, make backstay 6 insert pin rods 12, this moment, password was inoperative, just can unblank with key; When (2) selecting list to use password unlocking, directly function selecting knob 16 is threaded to the password unlocking position, this moment, backstay 6 was pressed in the permanent position downwards with pin block 4 under the effect of positioning reed 11, pin block 4 breaks away from the groove of dead bolt 9 downwards, like this, can not unblank, can only use password unlocking with key; (3) select key and password with just can unblank the time, backstay 6 upper ends and pin block 4, pin rod 12 break away from inoperative, can only just can unblank with the time spent with key and password, and its open theory and aforementioned list are with key operated or list is identical with the principle of password unlatching.

Above described be the outdoor action principle of unblanking, if unblank indoor, its action principle is as follows: (1) singly opens the lock with the key: pin block 4 to setting aside, is broken away from the groove of dead bolt 9, and dead bolt 9 is just opened automatically; (2) list is used password unlocking: push the password start button, pin block 12 and dead bolt 9 are thrown off, just auto-unlockings; (3) key and password are together with just unblanking: press the password start button earlier pin rod 12 and dead bolt 9 are thrown off, stir pin block 4 again and just can unblank; As follows the principle on the lock snap close: after pressing the password start button earlier, again door is shut, locating shaft 33 makes door and doorjamb at the co-located state, with the function selecting knob 16 of indoor or outdoors to direction Rotate 180 degree shown in Fig. 3, Fig. 4 arrow, eccentric wheel 2 rotates the pivot pin 8 that advances on the dead bolt 9 makes pin rod 12 depress the self-locking when in disengagement state, and under extension spring 7 effects, insert in the arc groove, pin block 4 inserts in the axial trough simultaneously, makes on the lock snap close.In addition, pick-proof bearing pin function is arranged in this lock, its bearing pin use principle is; Pull out axle sleeve 23 disengagement shells 1 and slide to another locating hole, can sell and buckle, with the pick-proof bearing pin from former locating hole.

The utility model is compared following advantage and beneficial effect with existing common mechanical coded lock: (1) the utility model precision height, can not produce feel and microphony, do not know that the people of password can't unblank; (2) Suo owner with password unlocking after, digital disk 30 is still rotatable, therefore, position, an end password is not retained on the former allocation, so strong security; (3) because the utility model can adopt kirsite and sheet metal combination construction, thus high conformity, intensity height, solid and reliable, productivity ratio is high, cost is low; (4) because of selecting key and password double insurance just can unblank, therefore safe and reliable especially.

Below Figure of description is further specified as follows: Fig. 1 faces structural representation for this cryptographic key and lock, and Fig. 2 is the plan structure schematic diagram of this cryptographic key and lock, Fig. 3, Fig. 4 be the A of plan structure schematic diagram Fig. 2 of this cryptographic key and lock to, B to view.Among each figure: 1 is shell, 2 is eccentric wheel, 3 is driving lever, 4 is pin block, 5 are long cover plate, 6 is backstay, 7 are extension spring, 8 is pivot pin, 9 is dead bolt, 10,14,20,25 are spring, 11 is positioning reed, 12 is pin rod, 13 are rotating shaft, 15 is bearing pin, 16 is the function selecting knob, 17 is torsion spring, 18 is the password start button, 19,32 is digital sheet, 21 is pad, 22 is locating pin, 23 is axle sleeve, 24 is screw rod, 26 are short cover plate, 27 is lock core, 28 is panel, 29 is lining, 30 is digital disk, 31 is closing disk, 33 is locating shaft, 34 is back shroud.

The utility model can be implemented by following embodiment: press Fig. 1, shown in Figure 2, (1) is cast into a single piece to shell and axle sleeve, sliding tray etc. with kirsite; (2) process, make other metalwork, component such as metal sheet with general machining process and cold stamping method for making; (3) choose component such as spring, extension spring, trip bolt, lock core; (4) all component by Fig. 1, shown in Figure 2 and assemble by the interconnected relationship of described each parts of top manual, just can implement the utility model preferably.

Claims (1)

1, a kind of cryptographic key and lock, it is characterized in that it is by shell (1), eccentric wheel (2), driving lever (3), lock dog (4), long cover plate (5), backstay (6), extension spring (7), pivot pin (8), dead bolt (9), spring (10), (14), (20), (25), positioning reed (11), pin rod (12), rotating shaft (13), bearing pin (15), function selecting knob (16), torsion spring (17), password start button (18), digital sheet (19), (32), pad (21), locating pin (22), axle sleeve (23), screw rod (24), short cover plate (26), lock core (27), panel (28), lining (29), digital disk (30), closing disk (31), locating shaft (33), back shroud (34) is interconnected to constitute jointly, its interconnected relationship is: axle sleeve is shell (1) and casts a single piece, eccentric wheel (2), driving lever (3), backstay (6), locking bar (12), rotating shaft (13) all connects by the axle sleeve positioning supports, lock dog (4), bearing pin (15), the support sleeve of locating shaft (33) is all cast an integral body with shell (1), dead bolt (9) connects by shell (1) side slot and shaft tail end half-arc groove positioning supports, extension spring (7) two ends difference hook is in locking bar (12) and shell (1), pivot pin (8) and dead bolt (9) press and are connected, positioning reed (11) is installed on the axle sleeve of backstay (6), bearing pin (15) is connected by screw thread with screw rod (24), three function selecting knobs (16) are loaded on respectively on the end of eccentric wheel (2) two ends and backstay (6), torsion spring (17) two ends difference hook is on shell (1) and eccentric wheel (2), password start button (18) is loaded on pin rod (12) one ends, two digital sheets (19) are loaded on the axle sleeve of rotating shaft (13), axle sleeve (23) and screw rod (24), spring (25), bearing pin (15) connects into a single piece, short cover plate (26) is installed on spring (14) and the locating shaft (33) with screw, lock core (27) is in panel (28) is contained in the round hole of door, the caudal peduncle of lock core (27) inserts in the slotted hole of driving lever (3), lining (29) is loaded on that digital disk (30) is gone up and in panel (28) is contained in the round hole of door, the handle of rotating shaft (13) inserts in the slotted hole of digital disk (30), digital sheet (32) riveting is in rotating shaft (13), and back shroud (34) is installed on the shell (1) with screw.

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