CN221031993U - Mechanical coded lock - Google Patents

Abstract

The utility model discloses a mechanical coded lock, which relates to the technical field of coded locks and comprises a front shell and a rear shell, wherein a rotary table is rotationally connected to the rear shell, a linkage plate is slidingly connected to the rear shell, an unlocking block is arranged at the top end of the linkage plate, a rotating block is rotationally connected to the rear shell, a limiting block is arranged in the rotating block, and a limiting groove matched with the unlocking block is formed in the limiting block. According to the utility model, the rotating block, the linkage plate, the rotary table, the unlocking block, the spring and the positioning block are arranged, when unlocking is performed, the coded disc is rotated to the correct number, the coded disc drives the rotary table to rotate, the rotary table drives the clamping groove to rotate to the proper position, the clamping blocks are clamped into the clamping groove, after all the clamping blocks are respectively clamped into the clamping groove, the linkage plate compresses the spring to push the unlocking block to be clamped into the limiting groove upwards, the positioning block is pushed upwards, the rotating block is rotated, unlocking is completed, the unlocking mode is simple, the structure is compact, the number of coded bits is large, and the safety can be effectively ensured.

Description

Mechanical coded lock

Technical Field

The utility model relates to the technical field of coded locks, in particular to a mechanical coded lock.

Background

The mechanical cipher lock is a high-key and reliable all-mechanical cipher lock without electronic device, its operation mode is unique, and is similar to the dialing of old telephone, starting from the starting point of the dial, the dial is rotated clockwise to a certain position number, then returned to the starting point, and a one-position cipher is input, so that it is repeated until the last-position cipher is input, and then the dial is rotated anticlockwise from the starting point, so that it can be unlocked.

The mechanical coded lock comprises a shell, a lock beam, a lock catch, a baffle, a turntable, a spring, a dial plate and other structures, when the notches of the three turntables are positioned at the same position, the lock catch can rotate, the lock beam is loosened, the lock beam is pulled down, and the coded lock is opened.

Most of the existing mechanical coded locks are required to be provided with auxiliary mechanisms when being used on doors, and padlock is required to be used when unlocking and locking, so that the operation is very inconvenient, and the appearance is not attractive.

Disclosure of utility model

Based on this, the present utility model aims to provide a mechanical coded lock, so as to solve the technical problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mechanical coded lock, includes preceding shell and backshell, it is connected with the carousel to rotate on the backshell, sliding connection has the linkage board on the backshell, the top of linkage board is provided with the unlocking piece, it is connected with the commentaries on classics piece to rotate on the backshell, be provided with the stopper in the commentaries on classics piece, offer on the stopper unlocking piece assorted spacing groove.

Through adopting above-mentioned technical scheme, when unblanking, rotate the code wheel to the exact number, the code wheel drives the carousel and rotates, the carousel drives the draw-in groove and rotates suitable position, the fixture block card advances the draw-in groove, after all fixture blocks card advance the draw-in groove respectively, linkage board compression spring, promote the unblock piece upwards block into the spacing groove, upwards promote the locating piece, rotate the commentaries on classics piece, the unblock is accomplished, the mode of unblanking is simple, the structure is meticulous, the password number is many, can effectively guarantee the security, and this mechanical coded lock can install on the door directly, need not install auxiliary mechanism, it is more pleasing to the eye to make whole.

The utility model is further characterized in that the dial is fixed with a coded disc, and the front shell is provided with a pointer which is fixedly pointed.

Through adopting above-mentioned technical scheme, can drive the carousel through rotating the cipher disc and rotate, when the direction of pointer is rotated to the correct number, the carousel drives the draw-in groove and rotates suitable position.

The utility model is further characterized in that a clamping block is fixed on the linkage plate, and a clamping groove matched with the clamping block is formed in the turntable.

Through adopting above-mentioned technical scheme, after the draw-in groove rotates suitable position, the fixture block card advances the draw-in groove, promotes unlocking piece card and advances in the spacing groove, can rotate the commentaries on classics piece unblock.

The unlocking block is further provided with a spring inside, one end of the spring is fixedly connected with the inside of the unlocking block, and the other end of the spring is fixedly connected with the linkage plate.

Through adopting above-mentioned technical scheme, after the fixture block card advances the draw-in groove, the linkage board stretches into unlocking piece inside forward, compression spring promotes unlocking piece card and advances in the spacing inslot, can rotate the commentaries on classics piece and unlock this moment.

The utility model is further arranged that the rear shell is connected with the positioning block in a sliding way, and the rotating block is provided with a groove matched with the positioning block.

Through adopting above-mentioned technical scheme, the unlocking block card can idle running when in the dog, when the locating block card advances in the commentaries on classics piece, can prevent to changeing the piece idle running, fixes the position of spacing groove, convenient unblock.

The utility model is further arranged that the number of the turntables and the coded discs is six, and every three turntables and the coded discs are respectively arranged at two sides of the rear shell.

By adopting the technical scheme, the number of the password digits is large, a large number of digital combinations can be formed, and the security of the password is ensured.

The utility model is further characterized in that a stop block matched with the unlocking block is arranged below the rotating block, and the stop block is fixedly connected with the rear shell.

Through adopting above-mentioned technical scheme, the unlocking block card is inside at the dog, and the inside idle running of commentaries on classics piece can not be unlocked, and when the unlocking block left the dog, card was gone into in the spacing inslot, the inside lockpin that drives of commentaries on classics piece rotated together, can the unblock.

In summary, the utility model has the following advantages:

According to the mechanical coded lock, the front shell, the rear shell, the rotating block, the linkage plate, the rotary disc, the coded disc, the limiting block, the limiting groove, the unlocking block, the spring and the positioning block are arranged, when unlocking is carried out, the coded disc is rotated to the correct number, the rotary disc is driven by the coded disc to rotate, the clamping groove is driven by the rotary disc to rotate to a proper position, the clamping blocks are clamped into the clamping groove, after all the clamping blocks are respectively clamped into the clamping groove, the linkage plate compresses the spring to push the unlocking block to be clamped into the limiting groove upwards, the positioning block is pushed upwards, the rotating block is rotated, unlocking is completed, the unlocking mode is simple, the structure is compact, the number of coded bits is large, the safety can be effectively ensured, and the mechanical coded lock can be directly arranged on a door without installing an auxiliary mechanism, so that the whole mechanical coded lock is more attractive.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic illustration of the positions of the ganged plate and code wheel of the present utility model;

FIG. 3 is a schematic illustration of the connection of the spring and unlocking block of the present utility model;

fig. 4 is a schematic view of the unlocking block and the rotating block according to the present utility model.

In the figure: 1. a front shell; 2. a rear case; 3. a rotating block; 4. a linkage plate; 41. a clamping block; 5. a turntable; 51. a clamping groove; 6. a code disc; 7. a limiting block; 8. a limit groove; 9. unlocking the block; 10. a spring; 11. a positioning block; 12. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-4, Including preceding shell 1 and backshell 2, rotate on the backshell 2 and be connected with carousel 5, sliding connection has linkage board 4 on the backshell 2, the top of linkage board 4 is provided with unlocking piece 9, rotate on the backshell 2 and be connected with rotatory piece 3, be provided with stopper 7 in the rotatory piece 3, set up on the stopper 7 and unlocking piece 9 assorted spacing groove 8, when unblanking, rotate cipher disc 6 to the exact number, cipher disc 6 drives carousel 5 rotation, carousel 5 drives draw-in groove 51 and rotates suitable position, fixture block 41 card is gone into draw-in groove 51, after all fixture blocks 41 card respectively go into draw-in groove 51, linkage board 4 compression spring 10, promote unlocking piece 9 upwards card is gone into spacing groove 8, upwards promote locating piece 11, rotatory piece 3, the unblock is accomplished, the mode of unblanking is simple, the compact structure, the number of cipher bit is many, can effectively guarantee the security, and this mechanical cipher lock can install on the door directly, make whole more pleasing to the eye.

Referring to fig. 1-3, a dial 6 is fixed on a turntable 5, a pointer with fixed direction is provided on a front case 1, the turntable 5 can be driven to rotate by rotating the dial 6, and when a correct number rotates to the direction of the pointer, the turntable 5 drives a clamping groove 51 to rotate to a proper position.

Referring to fig. 3, a clamping block 41 is fixed on the linkage plate 4, a clamping groove 51 matched with the clamping block 41 is formed on the turntable 5, after the clamping groove 51 rotates to a proper position, the clamping block 41 is clamped into the clamping groove 51, the unlocking block 9 is pushed to be clamped into the limiting groove 8, and the rotating block 3 can be rotated to unlock.

Referring to fig. 3 and 4, a spring 10 is disposed in the unlocking block 9, one end of the spring 10 is fixedly connected with the unlocking block 9, the other end of the spring 10 is fixedly connected with the linkage plate 4, when the clamping block 41 is clamped into the clamping groove 51, the linkage plate 4 extends into the unlocking block 9, the spring 10 is compressed, the unlocking block 9 is pushed to be clamped into the limiting groove 8, and at the moment, the rotating block 3 can be rotated to unlock.

Referring to fig. 2 and 3, a positioning block 11 is slidably connected to the rear housing 2, a groove matched with the positioning block 11 is formed in the rotating block 3, the rotating block 3 can idle when the unlocking block 9 is clamped in the stop block 12, and the rotating block 3 can be prevented from idle when the positioning block 11 is clamped in the rotating block 3, so that the position of the limiting groove 8 is fixed, and unlocking is facilitated.

Referring to fig. 1-4, the number of the turnplates 5 and the code plates 6 is six, and each three of the turnplates 5 and the code plates 6 are respectively arranged at two sides of the rear shell 2, so that a large number of digital combinations can be formed to ensure the security of the codes.

Referring to fig. 4, a stop block 12 matched with the unlocking block 9 is arranged below the rotating block 3, the stop block 12 is fixedly connected with the rear shell 2, when the unlocking block 9 is clamped in the stop block 12, the rotating block 3 idles and cannot be unlocked, and when the unlocking block 9 leaves the stop block 12 and is clamped in the limiting groove 8, the locking pin is driven to rotate together in the rotating block 3, so that unlocking can be realized.

The working principle of the utility model is as follows: when unlocking, the coded disc 6 is rotated to the correct number, the coded disc 6 drives the rotary disc 5 to rotate, the rotary disc 5 drives the clamping groove 51 to rotate to a proper position, the clamping blocks 41 are clamped into the clamping groove 51, after all the clamping blocks 41 are respectively clamped into the clamping groove 51, the linkage plate 4 compresses the spring 10 to push the unlocking block 9 to be clamped into the limiting groove 8 upwards, the positioning block 11 is pushed upwards, the rotary block 3 is rotated, and unlocking is completed.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. The utility model provides a mechanical coded lock, includes preceding shell (1) and backshell (2), its characterized in that: the novel anti-lock device is characterized in that a rotary table (5) is rotationally connected to the rear shell (2), a linkage plate (4) is slidingly connected to the rear shell (2), an unlocking block (9) is arranged at the top end of the linkage plate (4), a rotary block (3) is rotationally connected to the rear shell (2), a limiting block (7) is arranged in the rotary block (3), and a limiting groove (8) matched with the unlocking block (9) is formed in the limiting block (7).

2. A mechanical combination lock according to claim 1, wherein: the dial (5) is fixedly provided with a coded disc (6), and the front shell (1) is provided with a pointer which is fixedly directed.

3. A mechanical combination lock according to claim 1, wherein: the clamping block (41) is fixed on the linkage plate (4), and a clamping groove (51) matched with the clamping block (41) is formed in the rotary table (5).

4. A mechanical combination lock according to claim 1, wherein: the inside of unblock piece (9) is provided with spring (10), the inside fixed connection of one end of spring (10) and unblock piece (9), the other end and linkage board (4) fixed connection of spring (10).

5. A mechanical combination lock according to claim 1, wherein: the rear shell (2) is connected with a positioning block (11) in a sliding manner, and the rotating block (3) is provided with a groove matched with the positioning block (11).

6. A mechanical combination lock according to claim 1, wherein: the number of the turntables (5) and the number of the coded discs (6) are six, and every three of the turntables (5) and the coded discs (6) are respectively arranged on two sides of the rear shell (2).

7. A mechanical combination lock according to claim 1, wherein: a stop block (12) matched with the unlocking block (9) is arranged below the rotating block (3), and the stop block (12) is fixedly connected with the rear shell (2).