CN110273585B

CN110273585B - High-strength anti-theft dial lock

Info

Publication number: CN110273585B
Application number: CN201910405609.XA
Authority: CN
Inventors: 韩文杰; 王壤
Original assignee: Ningbo Wangtong Locks Co Ltd
Current assignee: Ningbo Wangtong Locks Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2021-03-16
Anticipated expiration: 2039-05-16
Also published as: CN110273585A

Abstract

The invention discloses a high-strength anti-theft dial lock, which comprises a coded lock, a key lock and a knob, wherein the key lock comprises a lock cylinder and a lock tongue plate which are arranged on the knob and used for locking or unlocking the rotary state of the knob, the coded lock comprises a coded wheel and a tail end coded wheel, a groove is formed between adjacent numbers of the coded wheel, a locking mechanism and an induction system which are used for limiting the coded wheel to rotate are further arranged in a shell, the induction system comprises a second sliding block, a sensor, an electrified magnet and a permanent magnet, the sensor is interconnected with the electrified magnet, the coded wheel can enable the second sliding block to trigger the sensor through rotation, and when the coded wheel rotates according to an incorrect sequence, the electrified magnet is electrified to enable the locking mechanism to be locked; the invention has simple structure, and can not unlock the lock even if an external user knows the password through the preset sequence of the password wheel.

Description

High-strength anti-theft dial lock

Technical Field

The invention relates to the technical field of mechanical coded locks, in particular to a high-strength anti-theft dial lock.

Background

The mechanical coded lock is a reliable full-mechanical coded lock with large key amount and without electronic devices; the mechanical coded lock usually adopted is a dial type mechanical coded lock; the push-button mechanical coded lock has the characteristics of difficulty in cracking, high safety and the like, is small in size and light in weight, is suitable for being used in very important places such as vault doors, firearm cabinets and safety boxes, is single in digital combination, is easy to crack when being observed by other locks, and is poor in safety.

Disclosure of Invention

The invention mainly aims to provide a high-strength anti-theft dial lock which is used for solving the defects in the prior art and can effectively solve the problems that the currently used mechanical coded lock is easy to crack, the unlocking mode is single, the safety is poor and the like.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a high-strength anti-theft dial lock comprises a coded lock, a key lock and a knob, wherein the key lock comprises a lock cylinder and a lock tongue plate which are arranged on the knob and used for locking or unlocking the rotary state of the knob, the coded lock comprises a coded wheel and a tail-end coded wheel, a groove is formed between adjacent numbers of the coded wheel, a locking mechanism and an induction system which are used for limiting the coded wheel to rotate are further arranged in a shell, the induction system comprises a second sliding block, a sensor, an electrified magnet and a permanent magnet, the sensor is interconnected with the electrified magnet, the coded wheel can enable the second sliding block to trigger the sensor through rotation, and when the coded wheel rotates according to an incorrect sequence, the electrified magnet is electrified to enable the locking mechanism to be locked;

the locking mechanism comprises a first inclined block, a limiting block and a supporting plate, one end of the first inclined block abuts against the groove, a second inclined block is oppositely arranged on the inclined surface of the other end of the first inclined block, a permanent magnet is fixedly connected to one end, close to the electrified magnet, of the second inclined block, a plurality of first sliding blocks capable of moving relative to the second inclined block in the vertical direction are further arranged in the second inclined block, the tail end password wheel can rotate to force the first inclined block to extrude the second inclined block to move, and when the first sliding blocks and the limiting block are located at the same horizontal position, the password wheel can rotate freely;

stopper butt in the groove of password wheel, the stopper quilt first sloping is spacing, the stopper is unable to be removed, just password wheel also can't rotate, only this moment terminal password wheel is in rotatable state, when the user need rotate during password wheel, need with terminal password wheel rotates extremely the recess of terminal password wheel with first sloping is no longer the butt to keep this current situation, this moment first sloping because the rotation of terminal password wheel and remove left, force simultaneously the second sloping upward movement drives to be located in first sloping first slider also upwards slides, works as the stopper first slider and the second slider is located same horizontal plane, the password wheel is in the rotation state.

As an improvement, the coded lock further comprises a locking rod, a carrier is arranged on the locking rod, and the coded wheel and the carrier can be meshed in a separable mode.

As an improvement, the electrified magnet is opposite to the permanent magnet in magnetic pole after being electrified.

As an improvement, one end, close to the groove, of the first inclined block is provided with double inclined planes symmetrically distributed along the center, and the inclined planes are attached to the groove.

As an improvement, a supporting plate used for fixing the second inclined block is further arranged in the shell, a plurality of second sliding blocks are arranged in the supporting plate, and a second spring used for enabling the second sliding blocks to return to the initial position is arranged at one end, far away from the second inclined block, of each second sliding block.

As an improvement, the number of the first sliding blocks and the second sliding blocks is consistent with that of the code wheels.

As an improvement, a first spring is arranged at one end, far away from the groove, of the second sliding block, and the first spring can force the second sliding block to move towards one end of the groove.

As an improvement, handles which are convenient for users to rotate are symmetrically arranged on the knob.

As an improvement, the height of the key lock opening is higher than that of the shell.

Compared with the prior art, the invention has the advantages that:

1. the invention can only start to dial the password from the password wheel at the tail end through a simple induction system, and a user can set the rotation sequence of the password wheel according to the requirement, and the lock can not be unlocked if the rotation sequence is wrong.

2. The invention is provided with a unique locking mechanism, so that the password of the dial plate can only be dialed from the password wheel at the tail end, and other password wheels can only be dialed when the password wheel is dialed to the middle of the number, so that even an unknown person knows the password, the unlocking can not be carried out.

3. When a user needs to modify the password, the user only needs to separate the password wheel from the carrier wheel frame, and the carrier wheel frame cannot be driven to rotate by the rotation of the password wheel.

4. When the password wheel is wrong in rotation sequence, the electrified magnet is electrified and repulses the permanent magnet, so that the locking mechanism is locked again, and a user only needs to rotate the tail password wheel again.

5. The design of the double inclined planes of the first inclined block enables a user to move the first inclined block away from the groove no matter which direction the user rotates.

6. The supporting plate is provided with the plurality of second sliding blocks, when the second sliding blocks and the limiting blocks are located at the same horizontal position, other password wheels can move, and the confidentiality of the password wheels is greatly improved.

7. The number of the second sliding block is consistent with that of the password wheels, so that all the password wheels except the tail password wheel can not rotate under the locking state of the locking mechanism.

8. The first spring can effectively fix the position of the metabolic block, and plays a role in recovery.

9. The design of the knob of the coded lock accords with human engineering and is comfortable to hold.

10. The control key is designed to be connected naturally in height, and when the key is used for emergency opening, the damping feeling is not very large.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a top perspective view of the invention;

FIG. 3 is a perspective view of the present invention with the housing omitted;

FIG. 4 is a top view of the present invention;

FIG. 5 is an enlarged partial schematic view of A in FIG. 4;

FIG. 6 is a front view of the first cam block of FIG. 5 in abutment with the combination wheel;

FIG. 7 is a schematic cross-sectional view B-B of FIG. 6;

FIG. 8 is a schematic cross-sectional view of C-C of FIG. 6;

FIG. 9 is a schematic cross-sectional view of FIG. 5;

fig. 10 is a schematic structural diagram of unlocking after the tail-end password wheel is dialed.

The names of the parts corresponding to the respective reference numerals are: the key lock comprises a shell 1, a lock tongue plate 11, a coded lock 2, a coded wheel 21, a tail end coded wheel 22, a groove 23, a key lock hole 3, a knob 4, a limiting block 5, a poking rod 51, an elastic pawl 52, a locking rod 6, a carrier 61, a first inclined block 7, a second inclined block 71, a first sliding block 72, a limiting block 73, a supporting plate 8, a second sliding block 81, a sensor 82, an electrified magnet 83, a permanent magnet 84 and a first spring 91.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The coded lock comprises a coded lock 2, a key lock 3 and a knob 4, wherein the key lock 3 comprises a lock cylinder and a lock tongue plate 11 which are arranged on the knob 4 and used for locking or unlocking the rotary state of the knob 4, the coded lock 2 comprises a coded wheel 21 and a tail-end coded wheel 22, a groove 23 is formed between adjacent numbers of the coded wheel 21, a locking mechanism and an induction system which are used for limiting the coded wheel 21 to rotate are further arranged in a shell 1, the induction system comprises a second sliding block 81, a sensor 82, an electrified magnet 83 and a permanent magnet 84, the sensor 82 is interconnected with the electrified magnet 83, the coded wheel 21 can enable the second sliding block 81 to trigger the sensor 82 through rotation, and when the coded wheel 21 rotates according to an incorrect sequence, the electrified magnet 83 is electrified to enable the locking mechanism to be locked;

the locking mechanism comprises a first inclined block 7, a limiting block 73 and a supporting plate 8, one end of the first inclined block 7 abuts against the groove 23, the inclined surface of the other end of the first inclined block is provided with a second inclined block 71 oppositely, one end, close to the energized magnet 83, of the second inclined block 71 is fixedly connected with a permanent magnet 84, a plurality of first sliding blocks 72 capable of moving relative to the second inclined block 71 in the vertical direction are further arranged in the second inclined block 71, the tail end password wheel 22 can rotate to force the first inclined block 7 to extrude the second inclined block 71 to move, and when the first sliding blocks 72 and the limiting block 73 are located at the same horizontal position, the password wheel 21 can rotate freely;

the limiting block 73 is abutted against the groove 23 of the password wheel 21, the limiting block 73 is limited by the first inclined block 71, the limiting block 73 cannot move, and the cipher wheel 21 can not rotate, only the end cipher wheel 22 is in a rotatable state, when a user needs to rotate the code wheel 21, the tail end code wheel 22 needs to be rotated until the groove of the tail end code wheel 22 is not abutted with the first inclined block 7, and this is maintained, at which time the first swash block 71 is moved leftward by the rotation of the end combination wheel 22, meanwhile, the second inclined block 71 is forced to move upwards, the first sliding block 72 in the first inclined block 71 is driven to slide upwards, when the limiting block 73, the first sliding block 72 and the second sliding block 81 are located on the same horizontal plane, the combination wheel 21 is in a rotating state.

Specifically, the first inclined block 7 is provided with double inclined planes symmetrically distributed along the center near one end of the groove 23, and the inclined planes are attached to the groove 23.

Specifically, the energized magnet 83 is energized to have a magnetic pole opposite to that of the permanent magnet 84.

Specifically, a supporting plate 8 used for fixing the second oblique block 71 is further arranged in the shell 1, a plurality of second sliding blocks 81 are arranged in the supporting plate 8, and a second spring 91 enabling the second sliding block 81 to return to the initial position is arranged at one end, far away from the second oblique block 71, of the second sliding block 81.

Specifically, the number of the first sliding blocks 72 and the second sliding blocks 81 is the same as the number of the combination wheels 21.

Specifically, a first spring 91 is disposed at an end of the second sliding block 81 away from the groove 23, and the first spring 91 can force the second sliding block 81 to move toward the end of the groove 23.

Specifically, handles convenient for a user to rotate are symmetrically arranged on the knob 4.

Specifically, the opening height of the key lock 3 is higher than the height of the shell 1.

The present invention is a typical dial combination lock that a user can unlock by dialing the combination wheel 21 and then rotating the strike plate 11 via the knob 4, or by directly unlocking the key lock 3 with a key such that the strike plate 11 rotates.

The invention is also provided with a special locking mechanism for preventing a person with a heart from entering the room when the person gets the password; the locking mechanism comprises a first inclined block 7, a limiting block 73 and a supporting plate 8, the first inclined block 7 is abutted to the groove 23 of the tail end password wheel 22, the limiting block 73 is abutted to the groove 23 of the password wheel 21, and the limiting block 73 is limited by the first inclined block 71 of the supporting plate, so that the limiting block 73 cannot move, the password wheel 21 cannot rotate, and only the tail end password wheel 22 can rotate at the moment.

When a user needs to rotate other password wheels 21, the end password wheel 22 needs to be moved to the position shown in fig. 10, that is, the groove of the end password wheel 22 is not abutted to the first inclined block 7, and the current situation is maintained, at this time, the first inclined block 71 moves leftward due to the rotation of the end password wheel 22, and at the same time, the second inclined block 71 moves upward to the position shown in fig. 10, the first sliding block 72 located in the first inclined block 71 also slides upward, at this time, the limiting block 73, the first sliding block 72 and the second sliding block 81 are located on the same horizontal plane, at this time, the password wheel 21 can be rotated, the limiting block 73 can force the first sliding block 72 and the second sliding block 81 to move leftward, at this time, under the spring force of the first spring 91, the password wheel 21 and the limiting block 73 can be restored to the initial positions; when the second sliding block 81 moves leftwards, the sensor 82 senses the first sliding block 72, if the user does not rotate the password wheel 21 according to the preset sequence, the sensor 82 transmits electronic information to the energized magnet 83, the energized magnet 83 is energized at the moment, and because the energized magnet 83 and the permanent magnet 84 have opposite magnetic poles, the permanent magnet 83 drives the first inclined block 71 to move towards one end close to the tail end password wheel 22 under the action of magnetic force, at the moment, the first sliding block 72, the limiting block 73 and the second sliding block 81 are not in the same horizontal position, so that the rest password wheels 21 cannot rotate; the user needs to re-turn the end code wheel 22 to turn the other code wheels 21.

When the other code wheels 21 rotate to the correct codes according to the correct sequence, the lock is unlocked, and the user can dial the code wheels 21 and the tail code wheel 22 randomly so that the codes are not peeped by other people.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high strength theftproof dial lock, includes casing (1), casing (1) is including trick lock (2), key lock (3) and knob (4), key lock (3) are including locating on knob (4) and be used for the locking or unblock lock core and the lock tongue board (11) of knob (4) rotation state, its characterized in that: the coded lock (2) comprises a coded wheel (21) and a tail-end coded wheel (22), a groove (23) is formed between adjacent numbers of the coded wheel (21), a locking mechanism and an induction system which are used for limiting the coded wheel (21) to rotate are further arranged in the shell (1), the induction system comprises a second sliding block (81), a sensor (82), an electrified magnet (83) and a permanent magnet (84), the sensor (82) is connected with the electrified magnet (83) in an interconnected mode, the coded wheel (21) can enable the second sliding block (81) to trigger the sensor (82) through rotation, and when the coded wheel (21) rotates according to an incorrect sequence, the electrified magnet (83) is electrified to lock the locking mechanism;

the locking mechanism comprises a first inclined block (7), a limiting block (73) and a supporting plate (8), one end of the first inclined block (7) is abutted to the groove (23), the inclined surface of the other end of the first inclined block is oppositely provided with a second inclined block (71), one end, close to the energized magnet (83), of the second inclined block (71) is fixedly connected with a permanent magnet (84), a plurality of first sliding blocks (72) capable of moving in the vertical direction relative to the second inclined block are further arranged in the second inclined block (71), the tail end password wheel (22) can rotate to force the first inclined block (7) to extrude the second inclined block (71) to move, and when the first sliding blocks (72) and the limiting block (73) are located at the same horizontal position, the password wheel (21) can rotate freely;

stopper (73) butt in recess (23) department of password wheel (21), stopper (73) quilt first sloping (7) are spacing, stopper (73) can't remove, just password wheel (21) also can't rotate, only this moment terminal password wheel (22) are in rotatable state, when the user need rotate password wheel (21), need with terminal password wheel (22) rotate extremely the recess of terminal password wheel (22) with first sloping (7) no longer butt to keep this current situation, at this moment first sloping (7) because the rotation of terminal password wheel (22) and remove to the left, force simultaneously second sloping (71) upward movement drives to be located in first sloping (7) first slider (72) also upwards slides, works as stopper (73) work, When the first sliding block (72) and the second sliding block (81) are positioned on the same horizontal plane, the code wheel (21) is in a rotating state.

2. A high strength security dial lock according to claim 1, wherein: the coded lock (2) further comprises a locking rod (6), a carrier (61) is arranged on the locking rod (6), and the coded wheel (21) is detachably meshed with the carrier (61).

3. A high strength security dial lock according to claim 1, wherein: the electrified magnet (83) is opposite to the permanent magnet (84) in magnetic pole after being electrified.

4. A high strength security dial lock according to claim 1, wherein: the first oblique block (7) is close to one end of the groove (23) and is provided with double inclined planes which are symmetrically distributed along the center, and the inclined planes are attached to the groove (23).

5. A high strength security dial lock according to claim 1, wherein: still be equipped with in casing (1) and be used for fixing backup pad (8) of second sloping block (71), be equipped with a plurality of second slider (81) in backup pad (8), second slider (81) are kept away from second sloping block (71) one end is equipped with and makes its second spring (91) that reply initial position.

6. A high strength security dial lock according to claim 1, wherein: the number of the first sliding blocks (72) and the second sliding blocks (81) is consistent with that of the code wheels (21).

7. A high strength security dial lock according to claim 1, wherein: one end, far away from the groove (23), of the second sliding block (81) is provided with a first spring (91), and the first spring (91) can force the second sliding block (81) to move towards one end of the groove (23).

8. A high strength security dial lock according to claim 1, wherein: handles convenient for a user to rotate are symmetrically arranged on the knob (4).

9. A high strength security dial lock according to claim 1, wherein: the opening height of the key lock (3) is higher than the height of the shell (1).