CN110017058B

CN110017058B - Dustproof mechanical lock

Info

Publication number: CN110017058B
Application number: CN201910330840.7A
Authority: CN
Inventors: 丁自立
Original assignee: Zhejiang Maizhi Network Technology Co ltd
Current assignee: Jiaxing Longlie Electronic Commerce Co ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2021-05-28
Anticipated expiration: 2039-04-23
Also published as: CN110017058A

Abstract

The invention discloses a dustproof mechanical lock, which comprises a device box body, wherein a lock cylinder cavity is arranged in the device box body, the lock core device is arranged in the lock core cavity, the existence of the dustproof anti-theft protection plate as a first protection increases the time for the lockset to be cracked, effectively prevents the lockhole from being exposed, prevents a thief who does not carry a proper tool from being opened, and makes the traditional poking-ball type technical opening means difficult to operate due to the cylindrical lock core cavity, the lock sleeve and the pin tumbler mechanism distributed at three hundred and sixty degrees, the part of the alarming marble of the alarming device exposed out of the lock core cavity is the same as other lock core outer marbles, when the alarming marble is stirred inwards by a thief, the alarming starting module is pushed by the rotating spring of the alarming module to penetrate through the alarming starting cavity to contact with the alarming starting button to start the alarming system, thereby fine play the effect of theftproof, simultaneously, prevent that the dust from directly getting into the lock core intracavity and influencing the effect of unblanking.

Description

Dustproof mechanical lock

Technical Field

The invention relates to the technical field of dustproof mechanical locks, in particular to a dustproof mechanical lock.

Background

The present lock is a device with sealing function, including lock, key and its accessories, generally interpreted as "sealing device which must be opened by key, besides the lock can be opened by key, it can be opened by light, electricity, magnetism, sound and fingerprint, etc., and the lock not only is a protective article, but also has the functions of" management "and" decoration ", and with the development of modern locks, people can make thorough research on the structure and mechanism of the lock, and before stealing it, two steel wires or several simple tools can quickly open the lock, so that it has many ways and tools to open the lock without key, and the traditional lock hole is easy to be dusty, and affects the smoothness of unlocking, so that it has a dust-proof mechanical lock which can effectively prevent technical opening.

Disclosure of Invention

The object of the present invention is to provide a dust-proof mechanical lock, which overcomes the above-mentioned drawbacks of the prior art.

The dustproof mechanical lock comprises a device box body, wherein a lock cylinder cavity is arranged in the device box body, a lock cylinder device is arranged in the lock cylinder cavity and comprises a lock sleeve, a lock cylinder column and a lock tongue, the lock tongue is fixedly connected with the lock sleeve through a lock tongue base, the lock sleeve and the lock cylinder column are both cylindrical, a lock cylinder rotating cavity is arranged in the lock sleeve, the lock cylinder column is in rotating fit with the lock cylinder rotating cavity, the lock cylinder column and the lock sleeve are mutually connected and fixed through lock cylinder outer pins and lock cylinder inner pins, pin mechanisms consisting of the lock cylinder outer pins and the lock cylinder inner pins are evenly distributed along the cylinder body from left to right, the selectable angle of the pins on the cross section is up to three hundred and sixty degrees, an alarm device is arranged in the lock sleeve and comprises alarm pins, an alarm starting module and an alarm starting button, an alarm starting cavity is arranged in the alarm marble, a dustproof and antitheft guard plate sliding cavity and a guard plate driving cavity are arranged above the lock cylinder cavity, a dustproof and antitheft guard plate device is arranged in the dustproof and antitheft guard plate sliding cavity, the dustproof and antitheft guard plate device comprises a dustproof and antitheft guard plate, a dustproof and antitheft guard plate driving rod is hinged and matched to be installed at the top of the dustproof and antitheft guard plate, a guard plate driving rod power end is fixedly installed at the right side end of the dustproof and antitheft guard plate driving rod, a guard plate driving rod rotating shaft is arranged in the guard plate driving cavity in a rotating and matching mode, the guard plate driving rod rotating shaft is fixedly connected with the dustproof and antitheft guard plate driving rod, a guard plate lock cavity is arranged above the guard plate driving cavity, the guard plate lock cavity is fixedly connected with the device box body through a marble mechanism, a circle of guard plate lock hole is, backplate lock chamber right side is equipped with backplate power cavity backplate lock chamber right side fixed connection backplate power shaft, backplate power shaft right side fixed connection backplate power end and backplate power transmission tooth, backplate power intracavity sliding fit sets up backplate power receiving block, be equipped with backplate power receiving opening in the backplate power receiving block, be equipped with backplate power receiving tooth in the backplate power receiving opening, backplate power receiving tooth with backplate power transmission tooth meshing, backplate power receiving block right side is fixed sets up backplate reset shaft and backplate reset spring, backplate reset shaft right side normal running fit connects backplate module that resets, backplate reset spring with backplate module fixed connection, backplate reset module right side fixed connection backplate resets and drives actuating cylinder.

The technical scheme is that the dustproof and antitheft guard plate device comprises a device box body, a cylindrical lock cylinder cavity penetrating through the left end face of the device box body is arranged in the device box body, the top wall of the lock cylinder cavity is communicated with a dustproof and antitheft guard plate sliding cavity, a dustproof and antitheft guard plate is installed in the dustproof and antitheft guard plate sliding cavity in a sliding fit mode, a guard plate driving cavity is communicated and arranged at the left side of the dustproof and antitheft guard plate sliding cavity, a guard plate driving rod rotating shaft is installed between the front inner wall and the rear inner wall of the guard plate driving cavity in a rotating fit mode, a dustproof and antitheft guard plate driving rod is fixedly installed on the guard plate driving rod rotating shaft, the left end of the dustproof and antitheft guard plate driving rod is in hinged fit with the top end face of the dustproof and antitheft guard plate, a guard plate driving rod power end is fixedly installed at the right end of, the outer side of the guard plate lock cavity is communicated with a guard plate lock body limiting cavity, the guard plate lock cavity is installed with a guard plate lock body in a sliding fit mode, an annular guard plate lock hole with a leftward opening is formed in the end face of the left side of the guard plate lock body, the outward inner wall of the guard plate lock hole is communicated with a series of guard plate lock pin holes penetrating through the end face of the outer side of the guard plate lock body, the interval angles of the guard plate lock pin holes are the same, a series of guard plate lock spring cavities with inward openings are formed in the end face of the outer side of the guard plate lock body limiting cavity, the guard plate lock spring cavities correspond to the guard plate lock pin holes one to one, guard plate lock outer pins and guard plate lock inner pins are installed in the guard plate lock pin holes in a sliding fit mode, a guard plate lock pin reset spring is fixedly connected between the end face of the outer pin of the guard plate lock and the inward inner wall of the guard plate lock spring cavity, and a, a guard plate power cavity is arranged on the left side of the guard plate lock cavity, a guard plate power transmission cavity penetrating through the top wall of the guard plate driving cavity is communicated and arranged in the bottom wall of the guard plate power cavity, a guard plate power shaft is installed in the shell between the guard plate power cavity and the guard plate lock cavity in a rotating fit mode, a guard plate power end head is fixedly installed on the right side of the guard plate power shaft, guard plate power transmission teeth are fixedly installed on the right side of the guard plate power end head, a guard plate power receiving block is installed in the guard plate power cavity in a sliding fit mode, a guard plate power receiving opening with a leftward opening is formed in the left end face of the guard plate power receiving block, guard plate power receiving teeth are fixedly installed on the inner wall of the right side of the guard plate power receiving opening, the guard plate power receiving teeth can be meshed with the guard plate power transmission teeth, a guard plate resetting rope and a guard, the backplate is opened pivot outside fixed mounting backplate and is opened the rotary drum, the backplate is opened the rope and is passed down backplate power transmission chamber, is walked around the backplate open the rotary drum with backplate drive bar power end lower extreme fixed connection, backplate restoration rope downwardly extending passes backplate power transmission chamber with backplate drive bar power end upper end fixed connection, backplate power chamber right side intercommunication is equipped with backplate chamber that resets, backplate chamber right side intercommunication that resets is equipped with backplate power chamber that resets, backplate power chamber that resets sliding fit installs backplate reset module, backplate power receiving block right side terminal surface fixed connection backplate reset shaft, backplate reset shaft passes right the backplate chamber that resets gets into backplate power chamber that resets, backplate reset shaft with backplate reset module left side terminal surface normal running fit, backplate reset module left side terminal surface with fixed mounting backplate between the backplate power receiving block right side terminal surface And the guard plate resetting driving cylinder is fixedly arranged in the inner wall of the left side of the guard plate resetting power cavity, and the left end face of a piston push rod of the guard plate resetting driving cylinder is fixedly connected with the right end face of the guard plate resetting module.

According to a further technical scheme, the lock core device comprises a lock tongue base which is installed on the inner wall of the right side of a lock core cavity in a rotating fit mode, a lock tongue cavity is communicated and arranged above the lock core cavity, a lock tongue is fixedly installed on the end face of the top of the lock tongue base, the lock tongue extends upwards to enter the lock tongue cavity, a cylindrical lock sleeve is fixedly installed on the end face of the left side of the lock tongue base, a cylindrical lock core rotating cavity with a right opening is arranged in the lock sleeve, the lock core rotating cavity extends rightwards to penetrate through the left end face and the right end face of the lock tongue base, a cylindrical lock core column is installed on the end face of the left side of the lock core rotating cavity in a rotating fit mode, the lock core column extends rightwards to be fixedly connected with the inner wall of the right side of the lock core cavity, a series of lock core marble holes penetrating through the inner, the lock cylinder marble reset hole corresponds to the lock cylinder marble holes one by one and is randomly distributed on any cross section angle, lock cylinder outer marbles and lock cylinder inner marbles are arranged in the lock cylinder marble holes in a sliding fit mode, the top end face of each lock cylinder inner marble is contacted with the bottom end face of each lock cylinder outer marble, each lock cylinder inner marble extends inwards to enter the lock cylinder marble reset hole and is in sliding fit with the lock cylinder marble reset hole, a lock cylinder marble reset spring is fixedly arranged between the bottom end face of each lock cylinder inner marble and the inner side wall of the lock cylinder marble reset hole, the alarm device comprises an alarm marble cavity which is fixedly arranged in the outer side end face of a lock sleeve and is provided with an upward opening, the alarm marble cavity is positioned on the right side of the lock sleeve, alarm marbles are arranged in the alarm marble cavity in a sliding fit mode, and the alarm marble reset springs are fixedly connected between the bottom end faces of, be equipped with in the warning pellet shot from a slingshot and run through the warning start chamber of terminal surface about the warning pellet shot from a slingshot, fixed mounting warning start button in the warning pellet shot from a slingshot left side inner wall, be equipped with alarm module power spring in the warning pellet shot from a slingshot right side inner wall, alarm module power spring bottom end intercommunication is equipped with alarm module and rotates the chamber, the alarm module rotates around the chamber normal running fit installation alarm module axis of rotation between the inner wall, fixed mounting warning start module in the alarm module axis of rotation, alarm start module upwards extends and gets into alarm module power spring, alarm start module right side terminal surface with fixed mounting alarm module rotates the spring between the alarm module power spring right side inner wall.

The invention has the beneficial effects that: the invention has simple structure and convenient operation, increases the time for cracking the lockset as the dustproof anti-theft guard plate of the first protection, effectively prevents the lockhole from being exposed, so that a thief who does not carry a proper tool can not open the lockset, the cylinder-shaped lock cylinder cavity, the lock sleeve and the pin tumbler mechanism distributed at three hundred and sixty degrees ensure that the traditional tumbler type technology opening means is difficult to operate, the part of the alarm pin of the alarm device exposed in the lock cylinder cavity is the same as the outer pin tumblers of other lock cylinders, and after the alarm pin is stirred inwards by a thief, the alarm starting module penetrates through the alarm starting cavity under the push of the alarm module rotating spring to contact the alarm starting button to start the alarm system, thereby well playing the anti-theft role and simultaneously preventing dust from directly entering the lock cylinder cavity to influence the unlocking effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

fig. 4 is a side view schematic of fig. B.

Detailed Description

The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-3, a dustproof mechanical lock according to an embodiment of the present invention includes a device case 10, a lock cylinder cavity 25 is provided in the device case 10, a lock cylinder device is provided in the lock cylinder cavity 25, the lock cylinder device includes a lock cylinder 23, a lock cylinder column 24 and a lock tongue 28, the lock tongue 28 is fixedly connected to the lock cylinder 23 through a lock tongue base 27, the lock cylinder 23 and the lock cylinder column 24 are both cylindrical, a lock cylinder rotation cavity 26 is provided in the lock cylinder 23, the lock cylinder column 24 is rotationally matched with the lock cylinder rotation cavity 26, the lock cylinder column 24 and the lock cylinder 23 are connected and fixed to each other through a lock cylinder outer pin 50 and a lock cylinder inner pin 52, pin mechanisms formed by the lock cylinder outer pin 50 and the lock cylinder inner pin 52 are evenly distributed along a left-to-right cylinder, selectable angles of the pins on a cross section are up to three hundred and sixty degrees, an alarm device is provided in the lock cylinder 23, the marble comprises an alarm marble 55, an alarm starting module 63 and an alarm starting button 57, wherein an alarm starting cavity 56 is arranged in the alarm marble 55, a dustproof and antitheft guard plate sliding cavity 14 and a guard plate driving cavity 20 are arranged above a lock cylinder cavity 25, a dustproof and antitheft guard plate device is arranged in the dustproof and antitheft guard plate sliding cavity 14 and comprises a dustproof and antitheft guard plate 22, the top of the dustproof and antitheft guard plate 22 is hinged and matched with a dustproof and antitheft guard plate driving rod 21, a guard plate driving rod power end 15 is fixedly arranged at the right end of the dustproof and antitheft guard plate driving rod 21, a guard plate driving rod rotating shaft 19 is arranged in the guard plate driving cavity 20 in a rotating and matching manner, the guard plate driving rod rotating shaft 19 is fixedly connected with the dustproof and antitheft guard plate driving rod 21, a guard plate locking cavity 70 is arranged above the guard plate driving cavity 20, and the guard plate locking cavity 70 is fixedly connected, a circle of guard plate locking holes 37 are arranged in the guard plate locking cavity 70, a guard plate locking torque block 75 is fixedly arranged below the inner side inner wall of the guard plate locking hole 37, a guard plate power cavity 43 is arranged on the right side of the guard plate locking cavity 70, a guard plate power shaft 38 is fixedly connected on the right side of the guard plate locking cavity 70, a guard plate power end 39 and guard plate power transmission teeth 40 are fixedly connected on the right side of the guard plate power shaft 38, a guard plate power receiving block 41 is arranged in the guard plate power cavity 43 in a sliding fit manner, a guard plate power receiving opening 71 is arranged in the guard plate power receiving block 41, guard plate power receiving teeth 42 are arranged in the guard plate power receiving opening 71, the guard plate power receiving teeth 42 are meshed with the guard plate power transmission teeth 40, a guard plate resetting shaft 44 and a guard plate resetting spring 45 are fixedly arranged on the right side of the guard plate power receiving block 41, and, the guard plate reset spring 45 is fixedly connected with the guard plate reset module 13, and the right side of the guard plate reset module 13 is fixedly connected with the guard plate reset driving cylinder 11.

Beneficially or exemplarily, the dustproof and antitheft guard plate device comprises a device box body 10, a cylindrical lock cylinder cavity 25 penetrating through the left end face of the device box body 10 is arranged in the device box body 10, a dustproof and antitheft guard plate sliding cavity 14 is formed in the top wall of the lock cylinder cavity 25 in a communicated mode, a dustproof and antitheft guard plate 22 is installed in the dustproof and antitheft guard plate sliding cavity 14 in a sliding fit mode, a guard plate driving cavity 20 is arranged in the left side of the dustproof and antitheft guard plate sliding cavity 14 in a communicated mode, a guard plate driving rod rotating shaft 19 is installed in a rotating fit mode between the front inner wall and the rear inner wall of the guard plate driving cavity 20 in a rotating fit mode, a dustproof and antitheft guard plate driving rod 21 is fixedly installed on the guard plate driving rod rotating shaft 19, the left end of the dustproof and antitheft guard plate driving rod 21 is in hinged fit with the top end face of the dustproof and antitheft guard plate 22, a guard plate driving rod power end A cavity 70, a guard plate lock body limiting cavity 31 is communicated with the outer side of the guard plate lock cavity 70, the guard plate lock body 30 is installed in the guard plate lock cavity 70 in a sliding fit manner, an annular guard plate lock hole 37 with a leftward opening is formed in the end face of the left side of the guard plate lock body 30, a series of guard plate lock pin holes 35 penetrating through the end face of the outer side of the guard plate lock body 30 are communicated with the outer side of the guard plate lock hole 37, the interval angles of the guard plate lock pin holes 35 are the same, a series of guard plate lock spring cavities 32 with inward openings are formed in the end face of the outer side of the guard plate lock body limiting cavity 31, the guard plate lock spring cavities 32 correspond to the guard plate lock pin holes 35 one to one, guard plate lock outer pins 36 and guard plate lock inner pins 34 are installed in the guard plate lock pin holes 35 in a sliding fit manner, guard plate lock pin return springs 33 are fixedly connected between the end face of the outer side of, a guard plate lock torsion block 75 is fixedly installed at the upper end of the inner wall of one inward side of the guard plate lock hole 37, a guard plate power cavity 43 is arranged on the left side of the guard plate lock cavity 70, a guard plate power transmission cavity 76 penetrating through the top wall of the guard plate drive cavity 20 is communicated in the bottom wall of the guard plate power cavity 43, a guard plate power shaft 38 is installed in a shell body between the guard plate power cavity 43 and the guard plate lock cavity 70 in a rotationally matched manner, a guard plate power end 39 is fixedly installed on the right side of the guard plate power shaft 38, guard plate power transmission teeth 40 are fixedly installed on the right side of the guard plate power end 39, a guard plate power receiving block 41 is installed in the guard plate power cavity 43 in a sliding matched manner, a guard plate power receiving port 71 with a left opening is formed in the end face of the left side of the guard plate power receiving block 41, guard plate power receiving teeth 42 are fixedly installed on the inner wall, a guard plate reset rope 47 and a guard plate opening rope 16 are wound on the guard plate power receiving block 41, a guard plate opening rotating shaft 17 is installed in a rotating fit mode between the front portion and the rear portion of the guard plate driving cavity 20, a guard plate opening rotating drum 18 is fixedly installed on the outer side of the guard plate opening rotating shaft 17, the guard plate opening rope 16 extends downwards through the guard plate power transmission cavity 76 and bypasses the guard plate opening rotating drum 18 to be fixedly connected with the lower end of the guard plate driving rod power end head 15, the guard plate reset rope 47 extends downwards through the guard plate power transmission cavity 76 to be fixedly connected with the upper end of the guard plate driving rod power end head 15, a guard plate reset cavity 46 is communicated with the right side of the guard plate power cavity 43, a guard plate reset power cavity 12 is communicated with the right side of the guard plate reset cavity 46, a guard plate reset module 13 is installed in the guard plate reset power cavity 12 in a sliding fit mode, the guard plate reset shaft 44 extends through the guard plate reset cavity 46 to the right to enter the guard plate reset power cavity 12, the guard plate reset shaft 44 is in running fit with the left end face of the guard plate reset module 13, a guard plate reset spring 45 is fixedly installed between the left end face of the guard plate reset module 13 and the right end face of the guard plate power receiving block 41, a guard plate reset driving cylinder 11 is fixedly installed in the left inner wall of the guard plate reset power cavity 12, the left piston push rod left end face of the guard plate reset driving cylinder 11 is fixedly connected with the right end face of the guard plate reset module 13, so that each guard plate lock outer marble 36 is pushed to a correct position by inserting the front end of a cylindrical key into the guard plate lock hole 37, the engagement of a through key and the guard plate lock torsion block 75 can be obtained to rotate the guard plate lock body 30, the guard plate lock body 30 drives the guard plate power end 39 and the guard plate power transmitting teeth 40 through the guard, the guard plate power transmission teeth 40 drive the guard plate power receiving block 41 to rotate through meshing with the guard plate power receiving teeth 42, the guard plate opening rope 16 wound on the guard plate power receiving block 41 pulls down the guard plate driving rod power end head 15 through the guard plate opening rotary drum 18 to lift the other end of the dustproof and antitheft guard plate driving rod 21 so as to open the dustproof and antitheft guard plate 22, after the key is pulled away, the guard plate resetting driving cylinder 11 is started to pull back the guard plate resetting module 13, the guard plate resetting module 13 drives the guard plate resetting shaft 44 and the guard plate power receiving block 41 to pull right, so that the guard plate power receiving teeth 42 are disengaged from the guard plate power transmission teeth 40, at the moment, the guard plate power receiving block 41 returns to the original position under the action of the guard plate resetting spring 45, the rotation of the guard plate power receiving block 41 simultaneously drives the guard plate resetting rope 47 and the guard plate opening rope 16 to reset, so that the guard plate resetting rope 47 pulls up the guard plate driving rod, the dustproof anti-theft guard plate driving rod 21 and the dustproof anti-theft guard plate 22 are reset downwards to cover the lock cylinder cavity 25, the door lock is divided into two parts by the design of the step, the door is opened by the same key, the owner only needs to increase a little time for opening the door under the condition of holding the key, and the working time and the exposure possibility of a thief are greatly increased.

Beneficially or exemplarily, the dustproof mechanical lock cylinder device comprises a bolt base 27 which is installed on the inner wall of the right side of a lock cylinder cavity 25 in a rotating fit manner, a bolt cavity 29 is communicated and arranged above the lock cylinder cavity 25, a bolt 28 is fixedly installed on the top end surface of the bolt base 27, the bolt 28 extends upwards to enter the bolt cavity 29, a cylindrical lock sleeve 23 is fixedly installed on the left end surface of the bolt base 27, a cylindrical lock cylinder rotating cavity 26 with a right opening is arranged in the lock sleeve 23, the lock cylinder rotating cavity 26 extends rightwards to penetrate through the left end surface and the right end surface of the bolt base 27, a cylindrical lock cylinder 24 is installed on the left end surface of the lock cylinder rotating cavity 26 in a rotating fit manner, the lock cylinder 24 extends rightwards to be fixedly connected with the inner wall of the right side of the lock cylinder cavity 25, a series of lock cylinder spring holes 51 which penetrate through the inner wall of the outer side, a series of lock cylinder pin reset holes 53 penetrating through the outer end face of the lock cylinder 24 are formed in the lock cylinder 24, the lock cylinder pin reset holes 53 correspond to the lock cylinder pin holes 51 one by one and are randomly distributed on any cross section angle, lock cylinder outer pins 50 and lock cylinder inner pins 52 are installed in the lock cylinder pin holes 51 in a sliding fit mode, the top end faces of the lock cylinder inner pins 52 are in contact with the bottom end faces of the lock cylinder outer pins 50, the lock cylinder inner pins 52 extend inwards into the lock cylinder pin reset holes 53 and are in sliding fit with the lock cylinder reset holes 53, lock cylinder pin reset springs 54 are fixedly installed between the bottom end faces of the lock cylinder inner pins 52 and the inner side inner walls of the lock cylinder pin reset holes 53, the alarm device comprises alarm pin cavities 58 which are fixedly arranged in the outer end face of the lock sleeve 23 and are opened upwards, and the alarm pin cavities 58 are positioned on the right side of the lock sleeve 23, an alarm marble 55 is installed in the alarm marble cavity 58 in a sliding fit manner, an alarm marble reset spring 59 is fixedly connected between the bottom end face of the alarm marble 55 and the bottom end face of the alarm marble cavity 58, an alarm starting cavity 56 penetrating through the left and right end faces of the alarm marble 55 is arranged in the alarm marble 55, an alarm starting button 57 is fixedly installed in the inner wall of the left side of the alarm marble cavity 58, an alarm module power spring 60 is arranged in the inner wall of the right side of the alarm marble cavity 58, an alarm module rotating cavity 61 is communicated and arranged in the end face of the bottom of the alarm module power spring 60, an alarm module rotating shaft 62 is installed between the front inner wall and the rear inner wall of the alarm module rotating cavity 61 in a rotating fit manner, an alarm starting module 63 is fixedly installed on the alarm module rotating shaft 62, the alarm starting module 63 extends upwards to enter the alarm module power spring 60, an alarm module rotating spring 80 is fixedly installed between the right end face of the alarm starting module 63 and, therefore, after the dustproof and antitheft guard plate 22 is opened, a key is inserted into the lock cylinder cavity 25, the raised passwords on the key push all the lock cylinder outer pins 50 to the correct positions, so that gaps between the lock cylinder outer pins 50 and the lock cylinder inner pins 52 are just positioned in the lock cylinder rotating cavity 26, at the moment, the front end of the key corresponds to a notch of a guard plate lock torsion block 75 and just clamps the main alarm pin 55, the alarm pin 55 obtains torsion to rotate the lock sleeve 23, the lock sleeve 23 drives the lock tongue base 27 and the lock tongue cavity 29 to complete unlocking, if the technology is cracked, once the alarm pin 55 pretending to be the lock cylinder outer pin 50 is pressed down, the alarm module rotating spring 80 pushes the alarm starting module 63 to pass through the alarm starting cavity 56 and touch the alarm starting button 57 to start alarming, and the harmful person is exposed.

When the anti-theft guard plate is used, the front end of a cylindrical key is inserted into a guard plate lock hole 37 to enable a guard plate lock outer marble 36 to be pushed to the correct position, the torque is obtained through the engagement of the key and a guard plate lock torque block 75 to rotate the guard plate lock body 30, the guard plate lock body 30 drives a guard plate power end 39 and guard plate power transmission teeth 40 through a guard plate power shaft 38, the guard plate power transmission teeth 40 drive a guard plate power receiving block 41 to rotate through the engagement of the guard plate power receiving teeth 42, the rotation of the guard plate power receiving block 41 pulls a guard plate opening rope 16, the guard plate opening rope 16 pulls a guard plate driving rod power end 15 downwards through a guard plate opening rotary cylinder 18, the rotation of the guard plate driving rod rotary shaft 19 enables the head of the guard plate opening rotary cylinder 18 and a dustproof anti-theft guard plate 22 connected with the guard plate to be lifted, the key is inserted into a lock cylinder cavity 25 after the dustproof anti-theft guard plate 22 is opened, and all lock cylinder, the gap between the outer pin 50 and the inner pin 52 of the lock core is just positioned in the lock core rotating cavity 26, the gap of the front end of the key corresponding to the guard plate lock torsion block 75 is just clamped with the main alarm pin 55, so that the alarm pin 55 obtains torsion to rotate the lock sleeve 23, the lock sleeve 23 drives the bolt base 27 and the bolt cavity 29 to complete unlocking and open the door, after the key is pulled out, the guard plate resetting driving cylinder 11 is started to pull the guard plate resetting module 13 to the right, the guard plate resetting module 13 drives the guard plate power receiving block 41 to the right through the guard plate resetting shaft 44, at the moment, the guard plate power transmitting teeth 40 are disengaged from the guard plate power receiving teeth 42, the guard plate resetting springs 45 fixedly arranged on the right side of the guard plate power receiving block 41 and the left side of the guard plate resetting module 13 reset the rotating guard plate power receiving block 41, the guard plate resetting block 41 drives the guard plate resetting rope 47 at the same time, the dustproof and antitheft driving rod 21 is lifted through the resetting rope 47, if an attacker wants to technically open the lock, the dustproof antitheft guard plate 22 provides a first layer of protection to prolong the time for unlocking the lock, even if the attacker can safely and rapidly break through the dustproof antitheft guard plate 22, the cylindrical lock cylinder cavity 25, the lock sleeve 23 and the pin tumbler mechanisms distributed at three hundred and sixty degrees make the traditional technical unlocking means difficult to operate, the part of the alarm pin 55 of the alarm device exposed in the lock cylinder cavity 25 is the same as the other lock cylinder outer pins 50, after the attacker dials the alarm pin 55 inwards, the alarm starting module 63 penetrates through the alarm starting cavity 56 under the pushing of the alarm module rotating spring 80 to contact the alarm starting button 57 to start the alarm system, and the three-ring connecting buckle has an excellent antitheft effect.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides a dustproof mechanical lock, includes the device box, its characterized in that: the lock core device comprises a lock sleeve, a lock core column and a lock tongue, wherein the lock tongue is fixedly connected with the lock sleeve through a lock tongue base, the lock sleeve and the lock core column are cylindrical, the lock sleeve is internally provided with a lock core rotating cavity, the lock core column is in running fit with the lock core rotating cavity, the lock core column and the lock sleeve are mutually connected and fixed through lock core outer marbles and lock core inner marbles, marble mechanisms consisting of the lock core outer marbles and the lock core inner marbles are evenly distributed along the cylinder from left to right, the selectable angle of the marbles on the cross section can reach as much as three hundred sixty degrees, the lock sleeve is internally provided with an alarm device, each marble comprises an alarm marble, an alarm starting module and an alarm starting button, an alarm starting cavity is arranged in the alarm marble, a dustproof and antitheft guard plate sliding cavity and a guard plate driving cavity are arranged above the lock core cavity, the dustproof and antitheft protection plate device is arranged in the sliding cavity of the dustproof and antitheft protection plate and comprises a dustproof and antitheft protection plate, the top of the dustproof and antitheft protection plate is hinged and matched with a dustproof and antitheft protection plate driving rod, the right end of the dustproof and antitheft protection plate driving rod is fixedly provided with a protection plate driving rod power end, the inside of the protection plate driving cavity is rotatably matched with a protection plate driving rod rotating shaft, the protection plate driving rod rotating shaft is fixedly connected with the dustproof and antitheft protection plate driving rod, a protection plate locking cavity is arranged above the protection plate driving cavity and fixedly connected with the device box body through a marble mechanism, a circle of protection plate locking hole is arranged in the protection plate locking cavity, a protection plate locking torsion block is fixedly arranged below the inner wall of the inner side of the protection plate locking hole, a protection plate power cavity is arranged on the right side of the protection, backplate power shaft right side fixed connection backplate power end and backplate power transmission tooth, backplate power intracavity sliding fit sets up backplate power and receives the piece, be equipped with backplate power in the backplate power receives the piece and receive the mouth, be equipped with backplate power in the backplate power and receive the tooth, backplate power receive the tooth with backplate power transmission tooth meshing, backplate power receives the piece right side and fixes and set up backplate reset shaft and backplate reset spring, backplate reset shaft right side normal running fit connects the backplate module that resets, the backplate reset spring with backplate module fixed connection, backplate module right side fixed connection backplate that resets drives actuating cylinder.

2. A dust resistant mechanical lock according to claim 1 wherein: the dustproof and antitheft protection plate device comprises a device box body, a cylindrical lock cylinder cavity penetrating through the left end face of the device box body is arranged in the device box body, the top wall of the lock cylinder cavity is communicated with a dustproof and antitheft protection plate sliding cavity, a dustproof and antitheft protection plate is installed in the dustproof and antitheft protection plate sliding cavity in a sliding fit mode, a protection plate driving cavity is communicated with the left side of the dustproof and antitheft protection plate sliding cavity, a protection plate driving rod rotating shaft is installed between the front inner wall and the rear inner wall of the protection plate driving cavity in a rotating fit mode, a dustproof and antitheft protection plate driving rod is fixedly installed on the protection plate driving rod rotating shaft, the left end head of the dustproof and antitheft protection plate driving rod is in hinged fit with the top end face of the dustproof and antitheft protection plate, a protection plate driving rod power end head is fixedly installed on the right end, the outer side of the guard plate lock cavity is communicated with a guard plate lock body limiting cavity, the guard plate lock cavity is installed with a guard plate lock body in a sliding fit mode, an annular guard plate lock hole with a leftward opening is formed in the end face of the left side of the guard plate lock body, the outward inner wall of the guard plate lock hole is communicated with a series of guard plate lock pin holes penetrating through the end face of the outer side of the guard plate lock body, the interval angles of the guard plate lock pin holes are the same, a series of guard plate lock spring cavities with inward openings are formed in the end face of the outer side of the guard plate lock body limiting cavity, the guard plate lock spring cavities correspond to the guard plate lock pin holes one to one, guard plate lock outer pins and guard plate lock inner pins are installed in the guard plate lock pin holes in a sliding fit mode, a guard plate lock pin reset spring is fixedly connected between the end face of the outer pin of the guard plate lock and the inward inner wall of the guard plate lock spring cavity, and a, a guard plate power cavity is arranged on the left side of the guard plate lock cavity, a guard plate power transmission cavity penetrating through the top wall of the guard plate driving cavity is communicated and arranged in the bottom wall of the guard plate power cavity, a guard plate power shaft is installed in the shell between the guard plate power cavity and the guard plate lock cavity in a rotating fit mode, a guard plate power end head is fixedly installed on the right side of the guard plate power shaft, guard plate power transmission teeth are fixedly installed on the right side of the guard plate power end head, a guard plate power receiving block is installed in the guard plate power cavity in a sliding fit mode, a guard plate power receiving opening with a leftward opening is formed in the left end face of the guard plate power receiving block, guard plate power receiving teeth are fixedly installed on the inner wall of the right side of the guard plate power receiving opening, the guard plate power receiving teeth can be meshed with the guard plate power transmission teeth, a guard plate resetting rope and a guard, the backplate is opened pivot outside fixed mounting backplate and is opened the rotary drum, the backplate is opened the rope and is passed down backplate power transmission chamber, is walked around the backplate open the rotary drum with backplate drive bar power end lower extreme fixed connection, backplate restoration rope downwardly extending passes backplate power transmission chamber with backplate drive bar power end upper end fixed connection, backplate power chamber right side intercommunication is equipped with backplate chamber that resets, backplate chamber right side intercommunication that resets is equipped with backplate power chamber that resets, backplate power chamber that resets sliding fit installs backplate reset module, backplate power receiving block right side terminal surface fixed connection backplate reset shaft, backplate reset shaft passes right the backplate chamber that resets gets into backplate power chamber that resets, backplate reset shaft with backplate reset module left side terminal surface normal running fit, backplate reset module left side terminal surface with fixed mounting backplate between the backplate power receiving block right side terminal surface And the guard plate resetting driving cylinder is fixedly arranged in the inner wall of the left side of the guard plate resetting power cavity, and the left end face of a piston push rod of the guard plate resetting driving cylinder is fixedly connected with the right end face of the guard plate resetting module.

3. A dust resistant mechanical lock according to claim 1 wherein: the lock core device comprises a lock tongue base which is arranged on the inner wall of the right side of a lock core cavity in a rotating fit mode, a lock tongue cavity is communicated and arranged above the lock core cavity, a lock tongue is fixedly arranged on the end surface of the top of the lock tongue base, the lock tongue extends upwards to enter the lock tongue cavity, a columnar lock sleeve is fixedly arranged on the end surface of the left side of the lock tongue base, a cylindrical lock core rotating cavity with a right opening is arranged in the lock sleeve, the lock core rotating cavity extends rightwards to penetrate through the left end surface and the right end surface of the lock tongue base, a columnar lock core column is rotatably arranged on the end surface of the left side of the lock core rotating cavity in a matching mode, the lock core column extends rightwards to be fixedly connected with the inner wall of the right side of the lock core cavity, a series of lock core marble holes penetrating through the inner wall of the outer side of the lock core rotating cavity are arranged in the lock core, the lock core marble reset, the alarm device comprises an alarm marble cavity which is fixedly arranged in the outer end face of a lock sleeve and has an upward opening, the alarm marble cavity is positioned at the right side of a lock sleeve, an alarm marble is arranged in the alarm marble cavity in a sliding fit manner, the alarm marble bottom end face and the bottom end face of the alarm marble cavity are fixedly connected with the alarm marble reset spring, an alarm starting cavity penetrating through the left and right end faces of the alarm marble is arranged in the alarm marble, and an alarm starting button is fixedly arranged in the inner wall of the left side of the alarm marble cavity, be equipped with alarm module power spring in the alarm spring cavity right side inner wall, alarm module power spring bottom end intercommunication is equipped with alarm module and rotates the chamber, the alarm module rotates around the chamber normal running fit installation alarm module axis of rotation between the inner wall, fixed mounting alarm starting module in the alarm module axis of rotation, alarm starting module upwards extends and gets into alarm module power spring, alarm starting module right side terminal surface with fixed mounting alarm module rotation spring between the alarm module power spring right side inner wall.