CN204163486U - A kind of electronic cipher code mechanical lock - Google Patents

Abstract

The utility model discloses an electronic cipher mechanical lock, which aims to realize that different ciphers correspond to different unlocking keys and enhance the security of the lock. The dial shaft is rotatably installed on the bracket, and the lead screw is installed inside which can be driven by the dial motor, and the dial block is engaged and driven to be installed on the lead screw, and more than two code discs are installed in the groove of the inner peripheral wall of the bracket. There are more than two areas on the code disk equally divided along the circumferential direction, each area is provided with a gap with a different relative position, the lock cylinder is slidably installed on the upper end of the bracket, and the unlocking blocking block is slidably installed in the lock cylinder, one side of the bracket A positioning pin and a detection switch are installed, and a pinion gear is fixedly installed at the output end of the reset motor to drive the reset lever to rotate. The ratchet is installed on the right end face of the dial shaft, and the utility model can realize that different passwords correspond to different unlocking keys, thereby enhancing the safety of the lockset.

Description

An electronic password mechanical lock

technical field

The utility model relates to a safety lock, in particular to an electronic password mechanical lock.

Background technique

Locks are an indispensable tool in people's daily life. In order to prevent theft and protect personal and property safety, various locks have been manufactured one after another. However, with the continuous development of unlocking technology, the defects of many locks are constantly exposed. The tumbler mechanical lock used on various doors can be unlocked with a master key, which is not resistant to smashing or drilling, and is easily damaged. The one-way combination lock installed on the safe also has the possibility of being opened by the normal unlocking rules and feelings.

The "electronic door lock" disclosed in Chinese patent 93232809.1 can be equipped with different types of remote keys, and the computer can identify the identity of the key holder, but this is a pure circuit design, and the operation of its program is easily disturbed and unstable. There is also the danger that outsiders can gain direct control over their actuators. Chinese patent 89220486.9 discloses " electromechanical lock " its cipher identification part is finished by pure circuit equally, then inserts key and just can unblank, if key is lost, then just lost the second unlocking barrier, is easy to be opened. Therefore, how to increase the amount of keys and not lose an unlocking barrier because of the loss of keys is a key issue to enhance the security of locks.

Therefore it is very necessary to design a kind of electronic password mechanical lock, which is conducive to promoting the research and development and application of safer locksets.

Utility model content

The electronic cipher mechanical lock provided by the utility model can adjust and combine the internal lock cylinder according to different ciphers, so that different ciphers correspond to different unlocking keys, which prevents losses caused by key loss and further ensures safety.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the device includes a password disk, a bracket, a dial shaft, a dial motor, a lead screw, a dial block, a lock cylinder, an unlock block, and a lock cylinder return spring , camshaft, reset lever, detection switch, unlock block reset spring, lead screw pawl, limit push rod, reset motor, pinion, positioning pin and dial shaft pawl; the dial shaft is a hollow structure , rotate and install on the bracket, one end of the lead screw is rotated and installed in the dial shaft, and the other end is fixedly installed on the output shaft of the dial motor, and the shell of the dial motor is fixedly installed on the left end of the bracket, so The dialing block is provided with threads, and the meshing transmission is installed on the lead screw, and its protruding part is located in the axial groove opened by the dialing shaft, and more than two passwords are installed in the groove of the inner peripheral wall of the bracket. There are two or more areas equally divided into two or more areas along the circumferential direction of the code plate, and a notch with a different relative position is arranged in each area, and a tongue is arranged on the inner circumferential surface, and the lock cylinder is slidably installed on the bracket. In the upper end hole, the number of the unlocking block is the same as that of the code disk, and it is slidably installed in the lock cylinder, and the protruding part is located on one side of the code disk, and the reset spring of the unlocking block is installed on the unlocking block and the lock cylinder Between the inner side walls of the lock cylinder, the lock cylinder return spring is installed between the lock cylinder and the bracket, and a hole is provided on one side of the bracket corresponding to the position of the password disk, and a positioning pin is slidably installed in the hole, and the hole is A detection switch is fixedly installed at the end, the housing of the reset motor is fixedly installed on the right end of the bracket, and a pinion is fixedly installed on its output end, and the reset lever is installed on the inner side of the right end of the bracket in rotation, coaxial with the dial shaft , which is provided with teeth in the circumferential direction, meshing with the pinion, the driving lever part of the reset driving lever passes through the inner circumferential surface of all the code discs, the camshaft is rotatably installed on the right end of the bracket, and the limit push rod is slidably installed on the The outer side of the right end of the bracket engages with the outer end cam on the camshaft. The dial shaft pawl is installed on the outer side of the right end of the bracket through the rotating shaft and engages with the ratchet provided on the dial shaft. The screw ratchet passes through the rotating shaft It is installed on the right end surface of the dial shaft and meshes with the ratchet provided on the lead screw, and the spring preload it receives can make the lead screw drive the dial shaft to rotate.

Six code discs are preferentially rotated in the grooves of the inner peripheral wall of the support. The code disk is preferentially divided into ten areas along the circumferential direction, and each area is provided with a notch with a different relative position. The detection switch can be a proximity switch.

Each password plate corresponds to a password, and a gap on it corresponds to a password number. When the lock needs to be unlocked, first input the password, and the controller checks whether the password is correct. The password is correct, and all parts operate in an orderly manner; the initial position of the dial block is at the first code disk, and the screw and the dial shaft are fixed together when the dial is dialed due to the action of the screw pawl. When the dial motor When the lead screw is driven to rotate the code, the code shaft rotates synchronously, the code block acts on the tongue on the inner peripheral surface of the code disk to make it rotate, and the positioning pin realizes the positioning of the code disk, and cooperates with the detection switch to generate the position signal to confirm that the password dial has rotated through the angle corresponding to the password number. When the code dial rotates to the corresponding angle, the code dial motor reverses, and the screw can drive the dial due to the spring preload on the ratchet of the lead screw. The code shaft rotates, so the code shaft and the lead screw return to the initial position together. At this time, the pawl of the code shaft falls into the ratchet of the code shaft, preventing the continued rotation of the code shaft, and the lead screw overcomes the ratchet of the lead screw. The spring pre-tightening force on the pawl continues to rotate, so that the dial block moves along the axial groove of the dial shaft and reaches the position of the second code disc. At this time, the ratchet of the screw falls into the ratchet on the screw. When turning to the dialing direction, the lead screw and the dialing shaft are fixed as one, and the setting of the second password is completed under the drive of the dialing motor, and all passwords are set according to this step. When all the combination disks are rotated, there will be different combinations of gaps under the lock cylinder. Putting the key into the lock cylinder will push the unlocking block to a different position. If the key is incorrect, the unlocking block will The position cannot correspond to the notch, the lock cylinder cannot be pushed, and the unlocking mechanism cannot be driven to unlock; when the key is put in correctly, the position of the unlocking block corresponds to the notch, and the lock cylinder can be pushed through just enough to completely pass through the notch. Drive the action of the unlocking mechanism to realize unlocking. After the unlocking is completed, the reset motor drives the reset lever to rotate through the pinion, and the lever part of the reset lever acts on the tongues on the inner circumference of all the combination disks to make all the combination disks return to their initial positions. At this time, the reset lever acts Put it on the camshaft to make it rotate at a certain angle, and the outer cam on the camshaft presses down the limit push rod, so that the pawl of the dial shaft is pressed, and the ratchet of the lead screw is pushed open. At this time, the dial shaft and the bracket The lock is integrated, the lead screw can rotate freely, the dialing motor rotates in the dialing direction, so that the dialing block returns to the initial first code disk, the reset motor rotates in the opposite direction to return the reset lever to the initial position, and the whole reset End, waiting for the next unlock.

The beneficial effect of adopting the utility model is that the internal lock core can be adjusted and combined according to different passwords, so that different passwords correspond to different unlocking keys, that is, after changing the password, the designated key must be changed at the same time to unlock the lock, which ensures safety. It has good promotion and application value.

Description of drawings

Fig. 1 is the front view of electronic password mechanical lock described in the utility model;

Fig. 2 is a left view of the electronic password mechanical lock described in the utility model;

Fig. 3 is the right side view of the electronic password mechanical lock described in the utility model;

Fig. 4 is a top view of the electronic password mechanical lock described in the utility model;

Fig. 5 is the A-A direction sectional view of Fig. 4;

Fig. 6 is a structural schematic diagram of the dialing and reset mechanism of the electronic password mechanical lock of the present invention.

In the figure: 1. Password disk 2. Bracket 3. Dial shaft 4. Dial motor 5. Lead screw 6. Dial block 7. Lock cylinder 8. Unlock block 9. Lock cylinder return spring 10. Cam lever 11. Reset lever 12, proximity switch 13, unlock block reset spring 14, lead screw pawl 15, limit push rod 16, reset motor 17, pinion gear 18, positioning pin 19, dial shaft pawl.

Detailed ways

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment.

Example 1:

In Figures 1 to 6, the device is mainly composed of a password disk 1, a bracket 2, a dial shaft 3, a dial motor 4, a screw 5, a dial block 6, a lock cylinder 7, an unlock block 8, and a lock cylinder reset Spring 9, camshaft 10, reset lever 11, detection switch 12, unlock block reset spring 13, lead screw pawl 14, limit push rod 15, reset motor 16, pinion 17, positioning pin 18 and dial shaft Composed of ratchets 19; the dial shaft 3 is a hollow structure, which is rotatably mounted on the bracket 2, one end of the screw 5 is rotatably mounted in the dial shaft 3, and the other end is fixedly mounted to the dial motor through a coupling On the output shaft of 4, the shell of the dialing code motor 4 is fixedly installed on the left end of the bracket 2 through bolts, the dialing block 6 is provided with threads, and the meshing transmission is installed on the lead screw 5, and its protruding part is located on the dial In the axial groove opened by the code shaft 3, six cipher disks 1 are rotated in the groove of the inner peripheral wall of the support 2, and the cipher disk 1 is equally divided into ten areas along the circumferential direction. A notch with a different relative position is provided, and a tongue is provided on its inner peripheral surface, and the lock core 7 is slidably installed in the upper end hole of the bracket 2, and the number of the unlocking block 8 is the same as that of the code disc 1, Slidingly installed in the lock core 7, the protruding part is positioned at one side of the code disc 1, and the unlocking block return spring 13 is installed between the unlocking block 8 and the inner side wall of the lock core 7, and the lock core return spring 9 Installed between the lock cylinder 7 and the bracket 2, one side of the bracket 2 is provided with a hole corresponding to the position of the password disk 1, and a positioning pin 18 is slidably installed in the hole, and a detection switch is fixedly installed at the end of the hole 12. The housing of the reset motor 16 is fixed to the right end of the bracket 2 through bolts, and the output end is fixedly equipped with a pinion 17. The reset lever 11 is rotatably installed on the inner side of the right end of the bracket 2, and is connected with the dial shaft 3 coaxial, teeth are provided on its circumference, meshed with the pinion 17, the driving lever part of the reset driving lever 11 passes through the inner peripheral surface of all code discs 1, and the camshaft 10 is mounted on the right end of the bracket 2 in rotation, and the The limit push rod 15 is slidably installed on the outside of the right end of the bracket 2, and engages with the outer end cam on the camshaft 10. The ratchet meshes, and the screw ratchet 14 is installed on the right end surface of the dial shaft 3 through the rotating shaft, and meshes with the ratchet provided on the screw 5, and the spring preload force it receives can make the screw 5 drive Dial shaft 3 rotates. The detection switch 12 is a proximity switch.

Each password plate 1 corresponds to a password, and a gap on it corresponds to a password number. When the lock needs to be unlocked, the password is first input, and the controller detects whether the password is correct. The password is correct, and all parts operate in an orderly manner; the initial position of the dial block 6 is at the first code disk 1, and due to the action of the screw pawl 14, the lead screw 5 and the dial shaft 3 are fixed at the Together, when the dialing motor 4 drives the lead screw 5 to dial and rotate, the dial shaft 3 rotates synchronously, and the dial block 6 acts on the tongue on the inner peripheral surface of the code disk 1 to make it rotate, and the positioning pin 18 realizes The location of code disk 1, and cooperates with detection switch 12 to generate position signal, to determine that code disk 1 has turned over the angle corresponding to password number, after code disk 1 turns to corresponding angle, dial code motor 4 reverses, because The spring pre-tightening force on the lead screw pawl 14 can make the lead screw 5 drive the dial shaft 3 to rotate, so the dial shaft 3 and the lead screw 5 return to the initial position together, and now the dial shaft ratchet 19 falls into the The ratchet of the dial shaft 3 prevents the dial shaft 3 from continuing to rotate, and the lead screw 5 overcomes the spring preload force on the lead screw pawl 14 and continues to rotate, so that the dial block 6 moves along the axis of the dial shaft 3. Move to the slot to reach the position of the second code disc 1, at this time, the screw pawl 14 falls into the ratchet on the screw 5, and the screw 5 and the dial shaft 3 are fixed as one when turning in the dialing direction, Complete the setting of the second password under the drive of the dialing motor 4, and complete the setting of all passwords according to this step. After all the cipher disks 1 have rotated, there will be different gap combinations under the lock cylinder 7. Putting the key into the lock cylinder 7 will push the unlocking block 8 to different positions. The position of the unlocking block 8 cannot correspond to the gap, the lock core 7 cannot be pushed, and the action of the unlocking mechanism cannot be driven to realize unlocking; when the key put in is correct, the position of the unlocking block 8 corresponds to the gap, and can pass through the gap completely. Lock core 7 just can be promoted, drives the action of unblanking mechanism and realizes unblanking. After completing the unlocking, the reset motor 16 drives the reset driving lever 11 to rotate through the pinion 17, and the driving lever part of the reset driving lever 11 acts on the tongues on the inner circumferential surface of all code disks 1, so that all code disks 1 get back to their initial positions. At this time, the reset lever 11 acts on the camshaft 10 to make it rotate at a certain angle, and the outer cam on the camshaft 10 presses down the limit push rod 15, so that the dial shaft ratchet 19 is pressed, and the lead screw ratchet 14 is pressed open, at this time the code dial shaft 3 is locked with the bracket 2 as one, the lead screw 5 can rotate freely, and the code dial motor 4 rotates to the code dial direction, so that the dial code block 6 returns to the initial first code disk 1 At the position, the reset motor 16 reversely rotates to make the reset driving lever 11 get back to the initial position, and the whole reset ends, waiting for the next unlocking.

In summary, the internal lock cylinder can be adjusted and combined through the input password, that is, after changing the password, the designated key must be changed at the same time to unlock the lock. When a key is lost, only the password needs to be changed to make the key invalid. Therefore, the utility model can realize that different codes correspond to different unlocking keys, and no loss will be caused due to the loss of the key, and the safety of the lockset is enhanced.

It must be stated that the above description is a preferred embodiment of the present utility model. If the changes made by the idea of the present utility model do not exceed the spirit covered by the instructions and illustrations, they should be Within the scope of the utility model.

Claims (4)

1. an electronic cipher code mechanical lock, it is characterized in that: comprise combination disk (1), support (2), dial-up axle (3), dial-up motor (4), leading screw (5), dial-up block (6), lock core (7), to unblank stop block (8), lock core back-moving spring (9), camshaft (10), reset driving lever (11), sense switch (12), to unblank stop block back-moving spring (13), leading screw ratchet (14), spacing push rod (15), reset motor (16), pinion (17), alignment pin (18) and dial-up axle ratchet (19), described dial-up axle (3) is hollow structure, rotation is installed on support (2), one end of described leading screw (5) is rotated and is installed in dial-up axle (3), the other end is fixedly installed on the output shaft of dial-up motor (4), the housing of described dial-up motor (4) is fixedly installed to the left end of support (2), described dial-up block (6) is provided with screw thread, engaged transmission is installed on leading screw (5), its ledge is arranged in the axial groove that dial-up axle (3) is opened, plural combination disk (1) is rotatablely equipped with in the groove of described support (2) inside circumference wall, in described combination disk (1), along the circumferential direction decile has plural region, the breach that a relative position is different is provided with in each region, its inner peripheral surface is provided with convex tongue, described lock core (7) is slidably mounted in the upper end hole of support (2), the quantity of described stop block of unblanking (8) is identical with the quantity of combination disk (1), be slidably mounted in lock core (7), extension is positioned at the side of combination disk (1), described stop block back-moving spring (13) of unblanking is installed between the inside wall of stop block of unblanking (8) and lock core (7), described lock core back-moving spring (9) is installed between lock core (7) and support (2), the position that the wherein side of described support (2) corresponds to combination disk (1) arranges porose, alignment pin (18) is slidably fitted with in hole, the end winding support in hole is provided with sense switch (12), the housing of described reset motor (16) is fixedly installed to the right-hand member of support (2), its output is installed with pinion (17), the rotation of described reset driving lever (11) is installed to the inner side of support (2) right-hand member, coaxial with dial-up axle (3), it is circumferentially provided with tooth, engage with pinion (17), the driving lever part of reset driving lever (11) is by the inner peripheral surface of all combination disk (1), described camshaft (10) rotates the right-hand member being installed to support (2), described spacing push rod (15) is slidably mounted to the outside of support (2) right-hand member, with the outer end cam-engaged on camshaft (10), described dial-up axle ratchet (19) is installed to the outside of support (2) right-hand member by rotating shaft, the ratchet engagement that arrange upper with dial-up axle (3), described leading screw ratchet (14) is installed to by rotating shaft on the right side of dial-up axle (3), the ratchet engagement that arrange upper with leading screw (5), initial tension of spring suffered by it can make leading screw (5) drive dial-up axle (3) to rotate.

2. electronic cipher code mechanical lock according to claim 1, is characterized in that: be rotatablely equipped with six combination disk (1) in the groove of described support (2) inside circumference wall.

3. electronic cipher code mechanical lock according to claim 1 and 2, is characterized in that: in described combination disk (1), along the circumferential direction decile has ten regions, is provided with the breach that a relative position is different in each region.

4. electronic cipher code mechanical lock according to claim 1, is characterized in that: described sense switch (12) is proximity switch.