CN109025506B

CN109025506B - Mechanical coded lock capable of changing code

Info

Publication number: CN109025506B
Application number: CN201811203650.0A
Authority: CN
Inventors: 吴其良
Original assignee: Ningbo City Zhenhai Shenzhou Locks Co ltd
Current assignee: Ningbo City Zhenhai Shenzhou Locks Co ltd
Priority date: 2018-10-16
Filing date: 2018-10-16
Publication date: 2023-11-24
Anticipated expiration: 2038-10-16
Also published as: CN109025506A

Abstract

The invention provides a mechanical coded lock capable of changing codes, which comprises a coded disc, a disc seat, a disc shaft, a lock body, a lock cylinder, discs, a positioning spring and a cover plate.

Description

Mechanical coded lock capable of changing code

Technical Field

The invention relates to the field of locks, in particular to a mechanical coded lock capable of changing codes.

Background

At present, locks are various, in particular to mechanical coded locks used on various safes, and mechanical coded locks with higher security level are required to be configured in anti-theft security products such as ammunition libraries, weapon cabinets, security filing cabinets and the like of armies in vaults and safes of banks.

Early coded locks are limited to N groups of buckling types, have no safety, and show a certain safety until people master the coded lock manufactured by the mechanical principle technology. The common coded lock is provided with three groups of unlocking coded discs, each disc is provided with a notch, the three discs are rotated left and right according to a certain operation method, the notches of the three discs become a straight line, a handle is screwed to enable a lock latch to enter the notch, and the lock is unlocked.

With the continuous progress and innovation of lock unlocking technology and tool unlocking, the existing mechanical coded lock has been exposed to serious defects, and particularly after the intelligent anti-theft lock which is conveniently guided is forced to enter the market, because the position of the design of the emergency lock is limited, the emergency lock configured at present still has a plurality of unsafe hidden dangers, particularly the violent unlocking prevention function, and the defects are more obvious, so the design of the mechanical coded lock which is small in size, safe, reliable, convenient to use and capable of changing codes should be urgent.

Disclosure of Invention

Aiming at the current state of the prior art, the technical problem to be solved by the invention is to provide the mechanical coded lock capable of changing codes, which has the advantages of simple structure, convenient use, safety, reliability and low manufacturing cost, can be widely arranged in public security products such as anti-theft safety doors, vault doors, anti-theft safes, weapon cabinets and the like, can solve the obvious defects of the existing intelligent anti-theft lock emergency mechanism, and truly realizes the aim of discarding keys when opening the door.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a can change mechanical trick lock of sign indicating number, including the dial, the disk seat, the disk axle, the lock body, the lock core, the disc, positioning spring and apron, the lock body is connected with the disk seat components of a whole that can function independently, be equipped with the spacer between the disc, lock body center is equipped with the hollow shaft that can support disc and spacer trough, the disc includes passive disc and initiative disc, be equipped with more than three groups of passive discs on the hollow shaft, the lock body, the lock core is equipped with the locking side column in the position corresponding with the disc, the dial is connected with the disk axle, be equipped with the groove of connecting initiative disc and the ring of separation initiative disc on the disk axle, the end of disk axle is fixed with the linkage element of linkage lock core, the afterbody of lock core is equipped with the transmission plectrum.

Furthermore, the circumferences of the lock body, the lock core and the disc are all provided with side column locking grooves, and the outer sides of the side column locking grooves of the lock body are provided with step marble and springs.

Further, the locking side column comprises a side column and a guide shaft, and the side column is vertically connected with the guide shaft.

Further, the lock core is also provided with a concave table matched with the guide shaft.

Further, a lock control pressure spring is arranged between the disc shaft and the disc seat, and the lock control pressure spring and the driven disc form a coded disc group.

Further, a V-shaped notch is formed in the circumference of the driving disc, a shaft sleeve is arranged on the shaft in a matched mode, a connecting boss and a code changing mechanism are arranged on the shaft sleeve, a locking notch is formed in the circumference of the driven disc, and a driving boss is arranged in the middle of the locking notch.

The beneficial effects are that:

the invention provides a code-changeable mechanical coded lock which is simple in structure, convenient to use, safe, reliable, code-changeable and low in manufacturing cost, can be widely arranged in public security products such as anti-theft safety doors, vault doors, anti-theft safes, weapon cabinets and the like, can solve the obvious defects of the existing intelligent anti-theft lock emergency mechanism, and really realizes that a key is abandoned when a door is opened.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a schematic diagram showing a combination of the locking state structure of the present invention;

FIG. 3 is a schematic diagram showing the combination of the open state structure of the present invention;

FIG. 4 is a schematic diagram of a passive disc structure according to the present invention;

FIG. 5 is a schematic diagram of an active disc structure according to the present invention;

FIG. 6 is a schematic view of a locking jamb in accordance with the present invention;

fig. 7 is a schematic view of a disc seat structure in the present invention.

The dial 1, the dial seat 2, the lock control pressure spring 21, the dial shaft 3, the groove 31, the linkage element 33, the lock body 4, the side column locking groove 41, the step marble 42, the spring 43, the hole 44, the lock cylinder 5, the transmission plectrum 51, the concave table 52, the passive disc 61, the locking notch 611, the driving boss 612, the square viewing hole 613, the driving disc 62, the V-shaped notch 621, the connecting boss 622, the code changing mechanism 623, the positioning hole 624, the locking side column 63, the side column 631, the guide shaft 632, the positioning spring 7, the cover plate 8 and the isolation sheet 9.

Detailed Description

For a further understanding and appreciation of the structural features and advantages achieved by the present invention, the following description will be presented in conjunction with the accompanying drawings, in which:

as shown in fig. 1 to 7, as an improvement of the mechanical coded lock, the coded mechanical coded lock comprises a coded disc 1, a disc seat 2, a disc shaft 3, a lock body 4, a lock cylinder 5, discs, a positioning spring 7 and a cover plate 8, wherein the lock body 4 and the disc seat 2 are connected in a split mode, a separation sheet 9 is arranged between the discs, a hollow shaft capable of supporting the discs and the separation sheet 9 with grooves is arranged in the center of the lock body 4, the discs comprise a passive disc 61 and an active disc 62, more than three groups of passive discs 61 are arranged on the hollow shaft, a locking side column 63 is arranged at the position, corresponding to the discs, of the lock body 4 and the lock cylinder 5, the coded disc 1 is connected with the disc shaft 3, a groove 31 for connecting the active disc 62 and a ring for separating the active disc 62 are arranged on the disc shaft 3, a linkage element 33 for linkage of the lock cylinder 5 is fixed at the tail of the disc shaft 3, and a transmission shifting sheet 51 is arranged at the tail of the lock cylinder 5.

The lock body 4, the lock core 5 and the disc circumference are all provided with a side column locking groove 41, and the outer side of the side column locking groove 41 of the lock body 4 is provided with a step marble 42 and a spring 43 for controlling the locking side column 63 to enter and exit.

The lock leg 63 includes a leg 631 and a guide shaft 632, the leg 631 and the guide shaft 632 are vertically connected, and when the code is disturbed, the guide shaft 632 in the lock cylinder 5 is separated from the disk set by the disk shaft 3 being fitted in the leg locking groove 41 of the lock body 4, and the disk set idles. When the disc set is coded, the notch on the disc set forms a straight line, the dial 1 is pushed inwards, the disc shaft 3 is separated from the guide shaft 632, the side column 631 is forced to exit the side column locking groove 41 by the step marble 42 under the action of the spring 43, and the linear notch of the disc set is separated from the lock body 4.

The lock cylinder 5 is further provided with a recess 52 cooperating with the guide shaft 632.

A lock control pressure spring 21 is arranged between the disc shaft 3 and the disc seat 2, and the lock control pressure spring 21 and the driven disc 61 form a coded disc group.

The circumference of the driving disc 62 is provided with a V-shaped notch 621, a shaft sleeve is arranged on the shaft in a matching way, a connecting boss 622 and a code changing mechanism 623 are arranged on the shaft sleeve, the circumference of the driven disc 61 is provided with a locking notch 611, and a driving boss 612 is arranged in the middle part of the locking notch.

When the lock is used, the disc seat 2 can be connected with the lock body 4 or separated from the lock body 4 as required, the hollow shaft with the groove is arranged in the center of the lock body 4, the passive disc 61 can be arranged in a floating mode, the separation sheet 9 is arranged between the discs, the limit protruding points on the separation sheet 9 are embedded into the hollow shaft groove, the lock body 4 is provided with the side column locking groove 41, the outer side of the side column locking groove 41 is provided with two holes 44 for arranging the step marble 42 and the spring 43, and the step marble 42 is matched with the spring 43 to control the locking side column 63 to enter and exit the side column locking groove 41. The linkage element 33 drives the guide shaft 632 when withdrawing, so that the side column 631 enters the side column locking groove 41, and then the driving disc 62 is rotated, at this time, the dial 1 is rotated, and an external force is generated to the side column 631 embedded in the V-shaped notch 621 of the driving disc 62, so that the side column 631 is separated from the disc, and the disc group is disordered by continuing to rotate.

According to the preset codes, the dial 1 is rotated left and right according to the operation sequence, the notches of the disc group after being coded form a straight line, the dial 1 is pushed inwards, the dial shaft 3 is separated from the guide shaft 632, under the action of the step marble 42 and the spring 43, the locking side column 63 is forced to exit the locking side column groove 41 and enter the straight line notch formed by the disc group, the lock cylinder 5 is separated from the lock body 4, the connecting boss 622 in the disc shaft 3 and the driving disc 62 are separated along with the same, the linkage element 33 on the disc shaft 3 enters the lock cylinder 5 to stir the concave table 52, the dial 1 is rotated, the lock cylinder 5 and the disc are driven, and the master control lock is opened and closed through the transmission pulling sheet 51.

When the locking is required to be restored, the dial 1 is loosened for left and right micro-rotation, the dial shaft 3 is pushed outwards under the action of the spring 43, the jack-up guide shaft 632 pushes the side column into the locking side column groove 41, the connecting boss 622 in the driving disc 62 synchronously slides into the groove 31 of the dial shaft 3, and the dial shaft 3 is separated from the concave table 52 in the lock cylinder 5 to enter a locking state.

When the code is required to be changed again, a screwdriver is used for removing the driving disc 62 from the code changing mechanism plate through the screw in the code changing mechanism plate on the code changing Kong Ningsong on the cover plate 8, then a pulling needle is used for pulling the positioning hole 624 on the driving disc 62 to a required position, then the screw is screwed, the code disc 1 is rotated according to the alignment code changing line in sequence, new codes of the disc groups are read one by one from the side square viewing hole 613, and the code changing is successful.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; while the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications may be made to the techniques described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a but mechanical trick lock of code modification which characterized in that: the lock comprises a dial, a disc seat, a disc shaft, a lock body, a lock cylinder, discs, a positioning spring and a cover plate, wherein the lock body is connected with the disc seat in a split mode, a separation plate is arranged between the discs, a hollow shaft capable of supporting the discs and provided with grooves for the separation plate is arranged in the center of the lock body, the discs comprise a passive disc and an active disc, more than three groups of passive discs are arranged on the hollow shaft, the lock body and the lock cylinder are provided with locking side columns at positions corresponding to the discs, the dial is connected with the disc shaft, grooves for connecting the active disc and rings for separating the active disc are arranged on the disc shaft, the tail end of the disc shaft is fixedly connected with a linkage element for linkage the lock cylinder, and a transmission shifting plate is arranged at the tail of the lock cylinder.

2. A code modifiable mechanical combination lock according to claim 1, wherein: the lock body, the lock core and the circumference of the disc are respectively provided with a side column locking groove, and the outer side of the side column locking groove of the lock body is provided with a step marble and a spring.

3. A code modifiable mechanical combination lock according to claim 2, wherein: the locking side column comprises a side column and a guide shaft, and the side column is vertically connected with the guide shaft.

4. A code modifiable mechanical combination lock according to claim 3, wherein: the lock cylinder is also provided with a concave table matched with the guide shaft.

5. A code modifiable mechanical combination lock according to claim 1, wherein: a lock control pressure spring is arranged between the disc shaft and the disc seat, and the lock control pressure spring and the passive disc form a coded disc group.

6. A code modifiable mechanical combination lock according to claim 1, wherein: the circumference of the driving disc is provided with a V-shaped notch, a shaft sleeve is arranged on the shaft in a matched manner, the shaft sleeve is provided with a connecting boss and a code changing mechanism, the circumference of the driven disc is provided with a locking notch, and the middle part of the driven disc is provided with a driving boss.