CN210067875U

CN210067875U - Anti-theft door

Info

Publication number: CN210067875U
Application number: CN201920299591.5U
Authority: CN
Inventors: 胡毓管; 白彩梅
Original assignee: Liaoning Xinji Electronic Technology Co Ltd
Current assignee: Liaoning Xinji Electronic Technology Co Ltd
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2020-02-14
Anticipated expiration: 2029-03-11

Abstract

The utility model relates to a security door, which comprises a door frame and a door leaf, one side of the door leaf is hinged with the door frame, the other side of the door leaf is provided with a door lock, the door lock comprises a door lock panel and a locking device, the locking device comprises a shell, an inclined plane spring bolt component and a security component, the security component comprises a security spring bolt and a locking driving unit, the locking driving unit comprises a lock core, a driving connecting rod, a limiting rod and a driving push rod, the middle part of the driving connecting rod is arranged in the shell through a connecting column, one end of the driving connecting rod is matched and connected with one end of the limiting rod, the other end of the limiting rod opposite to the driving connecting rod is matched and connected with the driving push rod, one end of the driving push rod is connected with the security spring bolt, the outer circumferential surface of the lock core is sheathed with, the driving push rod is provided with a vertical column corresponding to the sector gear, and the gear teeth of the sector gear are in meshed transmission with the vertical column.

Description

Anti-theft door

Technical Field

The utility model relates to a security door.

Background

The anti-theft door is provided with an anti-theft lock, can resist abnormal opening under certain conditions within a certain time, has certain safety protection performance and accords with corresponding anti-theft safety level. The anti-theft lock applied to the anti-theft door generally adopts a mortise lock, the mortise lock is a lock commonly used in daily life of people, the mortise lock opens the inclined plane spring bolt by rotating a handle through a user, a key is inserted into the mortise lock hole when the door needs to be locked or opened, and the anti-theft spring bolt is locked or unlocked by rotating the key to enable the tail part of the lock core to drive the anti-theft spring bolt locking device of the mortise lock.

The existing mortise door lock generally directly drives a locking device to lock or unlock an anti-theft bolt by rotating a lock cylinder, is not flexible and convenient enough in the using process, and has large required torsion and torque, so that a key is easily bent or broken due to improper force application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a security door

In order to achieve the above purpose, the utility model provides a following technical scheme: a security door comprises a door frame and a door leaf, wherein one side of the door leaf is connected with the door frame through a hinge, the door leaf rotates relatively around the central axis of the hinge, the door leaf comprises an inner door plate and an outer door plate, the inner door plate is connected with the outer door plate in a matched mode, the other side of the door leaf, opposite to the hinge, is provided with a door lock matched with the door frame, the door lock comprises a door lock panel and a locking device, the locking device is arranged between the inner door plate and the outer door plate, the door lock panel is arranged at the position, corresponding to the locking device, of the inner door plate and the outer door plate, the locking device comprises a shell, an inclined plane spring bolt assembly and a security assembly, the security assembly comprises a security spring bolt and a locking driving unit matched with the security spring bolt, the locking driving unit comprises a lock cylinder, a driving connecting rod, a limiting rod, the relative rotation is done to the circumference direction of drive connecting rod along the spliced pole, the one end of drive connecting rod with the one end cooperation of gag lever post is connected, the other end and the drive push rod cooperation of the relative drive connecting rod of gag lever post are connected, drive push rod's one end is connected with the theftproof spring bolt, the cover is equipped with the cam on the outer periphery of lock core, the outer circumference of lock core corresponds the opposite side of cam and is provided with sector gear, the relative gag lever post other end of drive connecting rod is provided with the gyro wheel, cam and gyro wheel cooperation, drive push rod corresponds sector gear department and is provided with the stand, sector gear's the teeth of a cogwheel and stand intermeshing.

Through adopting above-mentioned technical scheme, the lock sets up in the relative hinge opposite side of door leaf, the lock includes lock panel and locking subassembly, the lock panel is connected with the cooperation of locking subassembly, the locking subassembly includes the casing, inclined plane spring bolt subassembly and theftproof subassembly, inclined plane spring bolt subassembly and the cooperation of theftproof subassembly, when inserting the lock core, it rotates to drive the lock core, cam on the lock core is connected with the gyro wheel cooperation on the drive connecting rod, drive gag lever post and drive push rod cooperation, the fan-shaped gear rotation of the corresponding cam opposite side of cable nature, the teeth of a cogwheel of fan-shaped gear and the transmission of the stand intermeshing on the drive push rod, fan-shaped gear rotates and makes drive push rod drive theftproof spring bolt drive and stretch out or retract. The gear teeth of the sector gear are meshed with the upright post on the driving push rod to realize locking or unlocking of the anti-theft component, so that the situation that the key is bent or broken due to the fact that the tail of the lock cylinder is directly contacted with the anti-theft component and the required torque force and torque are large is avoided. The teeth of a cogwheel of sector gear and the stand meshing transmission of drive push rod, the power of transmission is big, and transmission efficiency is high, and work is steady and the reliability is high.

The utility model discloses further set up: and the outer circumference of the cam is provided with a roller way matched with the roller, and the roller is connected with the roller way in a matching way.

Through adopting above-mentioned technical scheme, be provided with the gyro wheel way that matches with the gyro wheel on the outer circumference of cam, a part joint of gyro wheel is in the gyro wheel way, and when driving the lock core by external force and rotating, the gyro wheel is relative motion along the gyro wheel way, avoids gyro wheel and cam to break away from the condition that causes the theftproof spring bolt can not normally open.

The utility model discloses further set up: the middle part of gag lever post is provided with the direction reset unit, the direction reset unit is including setting up the guide way on the gag lever post, setting up in the guide way and the guide post of being connected with the casing and setting up the spring in the spacing inslot that the guide way corresponds drive push rod one side, set up in the guide way and set up in the guide post of limiting groove one side, the guide post matches with the guide way, the one end and the guide post looks butt of spring, the other end with the side looks butt of the relative spacing groove opposite side of guide way, the guide post is followed under the drive of drive connecting rod the relative slip is done to the length direction of guide way, the guide post corresponds drive push rod one end and is provided with and is used for spacing.

By adopting the technical scheme, the guide reset unit comprises a guide groove, a limiting groove arranged in the guide groove, a guide post and a spring, the limiting groove is arranged on one side of the guide groove corresponding to the drive push rod, the limiting groove is matched with the guide post, one end of the spring is abutted against the guide post, the other end of the spring is abutted against the side surface of the other side of the guide groove opposite to the drive push rod, one end of a limiting rod is in fit connection with a drive connecting rod, a cam on the lock core is matched and rolled with a roller on the drive connecting rod by rotating the lock core, so that the drive connecting rod rotates relatively around the circumferential direction of the connecting post, one end of the roller of the drive connecting rod moves along with the roller, the other end drives the limiting rod to slide relatively along the length direction of the guide groove, the guide post is arranged in the guide groove and connected with the shell, and performs relative sliding motion with the guide groove and extrudes, and the lock cylinder is continuously rotated, the driving connecting rod is reset to drive the limiting rod to reset, meanwhile, the pressing force applied to the spring disappears, and the spring resets, so that the limiting unit is matched with the driving push rod.

The utility model discloses further set up: the limiting unit comprises a limiting clamping column arranged at one end, corresponding to the driving push rod, of the limiting rod and a toothed limiting clamping groove arranged at one side, corresponding to the limiting clamping column, of the driving push rod, and the limiting clamping column is matched with the limiting clamping groove.

Through adopting above-mentioned technical scheme, spacing unit is including setting up in the spacing calorie of post that the gag lever post corresponds drive push rod one end, set up the spacing draw-in groove of cusp that matches with spacing calorie of post on drive push rod, when the gag lever post is relative slip along the length direction of guide way under the drive of drive connecting rod, spacing stand can carry out relative chucking or separation with spacing draw-in groove, realize the chucking limiting displacement of gag lever post to drive push rod, when avoiding external force to destroy the theftproof spring bolt, the theftproof spring bolt drives drive push rod and contracts to the casing in, realize the theftproof effect.

The utility model discloses further set up: the number of the upright columns on the driving push rod is the same as that of the gear teeth of the sector gear.

Through adopting above-mentioned technical scheme, the stand on the drive push rod is the same with sector gear's teeth of a cogwheel quantity, and when sector gear rotated certain angle, sector gear's the teeth of a cogwheel meshed with the stand mutually for the transmission is nimble more, convenient, and transmission efficiency is high.

The utility model discloses further set up: the other side of the driving push rod opposite to the upright post is provided with a sliding unit, the sliding unit comprises a sliding channel arranged on the driving push rod and a sliding piece connected with the sliding channel in a matched mode, and the sliding piece is connected with the shell through a connecting column.

Through adopting above-mentioned technical scheme, the opposite side of drive push rod relative stand is provided with the slip way, and the slider matches with the slip way, and the slider passes through spliced pole and casing fixed connection, and when the lock core drove sector gear and rotates, sector gear and stand meshing transmission to drive push rod and do relative motion along the length direction of slip way.

The utility model discloses further set up: and two sides of the shell corresponding to the lock cylinder are provided with limiting stop posts matched with the sector gear.

Through adopting above-mentioned technical scheme, the both sides that the casing corresponds the lock core are provided with sector gear complex spacing bumping post, drive sector gear when the lock core and rotate certain angle, spacing bumping post and sector gear wheel limit looks butt, realize the spacing to sector gear.

The utility model discloses further set up: the door lock is characterized in that a handle is arranged on the door lock panel, the handle is connected with the inclined plane spring bolt assembly in a matched mode, and a key hole matched with the lock cylinder is formed in the lower portion of the handle.

Through adopting above-mentioned technical scheme, be provided with the handle of being connected with the cooperation of inclined plane spring bolt subassembly on the lock panel, be provided with the key hole that matches with the lock core on the lock panel of handle below, when inserting the key hole and to the lock core and rotate the lock core and carry out the unblock to the theftproof subassembly, the rethread is rotatory to be carried out the unblock to inclined plane spring bolt subassembly, opens the burglary-resisting door.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is an overall structure diagram of an embodiment of the present invention;

FIG. 2 is a partial block diagram of an embodiment of the present invention;

FIG. 3 is a partial structure diagram of the embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a partial structure diagram of the embodiment of the present invention;

the reference numbers in the figures mean: door frame-1, door leaf-12, inner door panel-13, outer door panel-14, hinge-15, door lock-2, door lock panel-21, handle-211, keyhole-212, locking device-3, housing-31, limit stop post-311, angled bolt assembly-32, anti-theft assembly-33, anti-theft bolt-331, lock cylinder-3321, cam-3322, roller way-3323, sector gear-3324, drive link-3325, roller-3326, limit lever-3327, drive rod-3328, post-3329, connecting post-333, guide groove-3341, limit groove-3342, guide post-3343, spring-3344, limit catch post-3346, limit catch groove-3347, slide way-3351, slide-3352.

Detailed Description

The present embodiment is only an explanation of the present embodiment, and it is not a limitation of the present embodiment, and a person skilled in the art can make modifications without inventive contribution to the present embodiment as needed after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present embodiment.

Referring to fig. 1-5, the embodiment discloses a security door, which includes a door frame 1 and a door leaf 12, one side of the door leaf 12 is hinged to the door frame 1 through a hinge 15, the door leaf 12 rotates around a central axis of the hinge 15 relatively, the door leaf 12 includes an inner door panel 13 and an outer door panel 14, the inner door panel 13 is connected to the outer door panel 14 in a matching manner, the other side of the door leaf 12 opposite to the hinge 15 is provided with a door lock 2 matched with the door frame 1, the door lock 2 includes a door lock panel 21 and a locking device 3, the locking device 3 is disposed between the inner door panel 13 and the outer door panel 14, the door lock panel 21 is disposed at a position of the inner door panel 13 and the outer door panel 14 corresponding to the locking device 3, the locking device 3 includes a housing 31, an inclined plane bolt assembly 32 and a security assembly 33, the security assembly 33 includes a security bolt 331, With the locking drive unit 332 of theftproof spring bolt 331 complex, locking drive unit 332 includes lock core 3321, drive connecting rod 3325, gag lever post 3327 and drive push rod 3328, the middle part of drive connecting rod 3325 sets up in casing 31 through spliced pole 333, drive connecting rod 3325 is done relative rotation along the circumferential direction of spliced pole 333, the one end of drive connecting rod 3325 with the cooperation of one end of gag lever post 3327 is connected, the other end and the drive push rod 3328 cooperation of the relative drive connecting rod 3325 of gag lever post 3327 are connected, the one end and the theftproof spring bolt 331 of drive push rod 3328 are connected, the cover is equipped with cam 3322 on the outer periphery of lock core 3321, the opposite side that the outer circumference of lock core 3321 corresponds cam 3322 is provided with sector gear 3324, the relative gag lever post 3327 other end of drive connecting rod 3325 is provided with gyro wheel 3326, cam 3322 and the cooperation of gyro wheel 3326, the drive push rod 3328 corresponds sector gear 3324 department and is provided with, the gear teeth of the sector gear 3324 are in meshed transmission with the upright post 3329. Through adopting above-mentioned technical scheme, lock 2 sets up in the opposite side of door leaf 12 relative hinge 15, lock 2 includes lock panel 21 and locking subassembly, lock panel 21 is connected with the cooperation of locking subassembly, the locking subassembly includes casing 31, inclined plane spring bolt subassembly 32 and theftproof subassembly 33, inclined plane spring bolt subassembly 32 cooperates with theftproof subassembly 33, if insert lock core 3321, drive lock core 3321 and rotate, cam 3322 on the lock core 3321 is connected with the gyro wheel 3326 cooperation on the drive connecting rod 3325, drive gag lever post 3327 and the cooperation of drive push rod 3328, the fan gear 3324 of the suggestive opposite side of corresponding cam 3322 rotates, the teeth of a cogwheel 3324 and the transmission of stand 3329 on the drive push rod 3328 of fan gear 3324, fan gear 3324 rotates and makes drive push rod 3328 drive theftproof spring bolt 331 to stretch out or retract, realize locking or unblock of theftproof spring bolt 331. The locking or unlocking of the anti-theft component 33 is realized through the meshing transmission of the gear teeth of the sector gear 3324 and the upright post 3329 on the driving push rod 3328, and the condition that the key is bent or broken due to large required torque force and torque because the tail part of the lock cylinder 3321 is directly contacted with the anti-theft component 33 is avoided. The gear teeth of the sector gear 3324 are in meshing transmission with the upright post 3329 of the driving push rod 3328, so that the transmitted power is large, the transmission efficiency is high, the work is stable and the reliability is high.

The embodiment further provides that: the cam 3322 is provided with rollers 3326 and 3323 on the outer circumference thereof, which are matched with the rollers 3326, and the rollers 3326 are matched with the rollers 3326 and 3323. Through adopting above-mentioned technical scheme, be provided with on the outer circumference of cam 3322 and say 3323 with gyro wheel 3326 assorted gyro wheel 3326, partly joint of gyro wheel 3326 is in gyro wheel 3326 says 3323, and when driving lock core 3321 by external force and rotate, gyro wheel 3326 is along gyro wheel 3326 way 3323 and is relative motion, avoids gyro wheel 3326 and cam 3322 to break away from the condition that causes anti-theft bolt 331 can not normally open.

The embodiment further provides that: the middle part of gag lever post 3327 is provided with the direction and resets the unit, the direction resets the unit including setting up the guide way 3341 on gag lever post 3327, setting up in the guide way 3341 corresponds the spacing groove 3342 of drive push rod 3328 one side, setting up in the guide way 3341 and the guide post 3343 of being connected with casing 31 and setting up the spring 3344 in the spacing groove 3342, guide post 3343 matches with guide way 3341, the one end and the guide post 3343 looks butt of spring 3344, the other end with the side looks butt of the relative spacing groove 3342 opposite side of guide way 3341, the guide post 3343 is followed under the drive of drive connecting rod 3325 relative slip is done to the length direction of guide way 3341, guide post 3343 corresponds drive push rod 3328 one end and is provided with and is used for spacing unit. By adopting the above technical solution, the guiding and returning unit includes a guiding groove 3341, a limiting groove 3342 disposed in the guiding groove 3341, a guiding post 3343 and a spring 3344, the limiting groove 3342 is disposed on one side of the guiding groove 3341 corresponding to the driving push rod 3328, the limiting groove 3342 is matched with the guiding post 3343, one end of the spring 3344 is abutted against the guiding post 3343, the other end is abutted against the guiding groove 3341 corresponding to the other side of the driving push rod 3328, one end of the limiting rod 3327 is coupled with the driving connecting rod 3325, the rotation of the lock core 3321 causes the cam 3322 on the lock core 3321 to roll in cooperation with the roller 3326 on the driving connecting rod 3325, so that the driving connecting rod 3325 rotates relatively around the circumferential direction of the connecting post 333, one end of the roller 3326 of the driving connecting rod 3325 moves along with the roller 3326, the other end drives the limiting rod 3327 to slide relatively along the length direction of the guiding groove 3341, the guiding post 3343 is disposed in the guiding groove 3341 and connected with the housing 31, and presses the spring 3344 in, the limiting unit which drives the limiting rod 3327 and corresponds to one end of the driving push rod 3328 is matched with the driving push rod 3328, the lock cylinder 3321 continues to rotate, the driving connecting rod 3325 resets to drive the limiting rod 3327 to reset, meanwhile, the pressing force applied to the spring 3344 disappears, and the spring 3344 resets to enable the limiting unit to be matched with the driving push rod 3328.

The embodiment further provides that: the limiting unit comprises a limiting clamping column 3346 arranged at one end of the limiting rod 3327 corresponding to the driving push rod 3328 and a toothed limiting clamping groove 3347 arranged at one side of the driving push rod 3328 corresponding to the limiting clamping column 3346, and the limiting clamping column 3346 is matched with the limiting clamping groove 3347. Through adopting above-mentioned technical scheme, spacing unit is including setting up in the spacing calorie of post 3346 that gag lever post 3327 corresponds drive push rod 3328 one end, set up on drive push rod 3328 with the spacing draw-in groove 3347 of cusp that matches of calorie of post 3346, when gag lever post 3327 is relative slip along the length direction of guide way 3341 under the drive of drive connecting rod 3325, spacing stand 3329 can carry out relative chucking or separation with spacing draw-in groove 3347, realize the chucking limiting displacement of gag lever post 3327 to drive push rod 3328, when avoiding external force to destroy theftproof spring bolt 331, theftproof spring bolt 331 drives drive push rod 3328 and contracts to the casing 31 in, realize the theftproof effect.

The embodiment further provides that: the number of the upright posts 3329 on the driving push rod 3328 is the same as the number of the teeth of the sector gear 3324. Through adopting above-mentioned technical scheme, the tooth quantity of the stand 3329 on the drive push rod 3328 is the same with sector gear 3324, and when sector gear 3324 rotated certain angle, sector gear 3324's the tooth of a cogwheel meshed with stand 3329 mutually for the transmission is more nimble, convenient, and transmission efficiency is high.

The embodiment further provides that: the other side of the driving push rod 3328 opposite to the upright post 3329 is provided with a sliding unit, the sliding unit comprises a sliding channel 3351 arranged on the driving push rod 3328 and a sliding piece 3352 in fit connection with the sliding channel 3351, and the sliding piece 3352 is connected with the shell 31 through a connecting column 333. By adopting the technical scheme, the other side of the driving push rod 3328, which is opposite to the upright post 3329, is provided with the sliding channel 3351, the sliding piece 3352 is matched with the sliding channel 3351, the sliding piece 3352 is fixedly connected with the shell 31 through the connecting column 333, when the lock cylinder 3321 drives the sector gear 3324 to rotate, the sector gear 3324 is in meshing transmission with the upright post 3329, and therefore the driving push rod 3328 is driven to move relatively along the length direction of the sliding channel 3351.

The embodiment further provides that: and the shell 31 is provided with limiting stop columns 311 matched with the sector gear 3324 at two sides corresponding to the lock cylinder 3321. Through adopting above-mentioned technical scheme, casing 31 corresponds the both sides of lock core 3321 and is provided with the spacing bumping post 311 with sector gear 3324 complex, drives sector gear 3324 when lock core 3321 and rotates certain angle, and spacing bumping post 311 and sector gear 3324's gear limit looks butt realizes spacing sector gear 3324.

The embodiment further provides that: the door lock panel 21 is provided with a handle 211, the handle 211 is connected with the inclined plane bolt assembly 32 in a matching manner, and a key hole 212 matched with the lock cylinder 3321 is arranged below the handle 211. Through adopting above-mentioned technical scheme, be provided with on the lock panel 21 with the handle 211 that the inclined plane spring bolt subassembly 32 cooperation is connected, be provided with the key hole 212 that matches with lock core 3321 on the lock panel 21 of handle 211 below, when inserting key hole 212 and to lock core 3321 and rotate lock core 3321 and unblock theftproof subassembly 33, the rethread is rotatory handle 211 and is carried out unblock to inclined plane spring bolt subassembly 32, opens the burglary-resisting door.

Although a door frame-1, a door leaf-12, an inner door panel-13, an outer door panel-14, a hinge-15, a door lock-2, a door lock panel-21, a handle-211, a keyhole-212, a locking device-3, a housing-31, a limit post-311, a slant plate-assembly-32, a burglary-resisting assembly-33, a burglary-resisting bolt-331, a lock cylinder-3321, a cam-3322, a roller channel-3323, a sector gear-3324, a driving link-3325, a roller-3326, a limit rod-3327, a driving push rod-3328, a post-3329, a connecting post-333, a guide groove-3341, a limit groove-3342, a guide post-3343, a spring-3344, a limit catch post-3346, a limit catch groove-3347, runner-3351, slider-3352, but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present embodiments; they are to be construed as being without limitation to any one of the additional limitations which are within the spirit of the present embodiments.

Claims

1. The utility model provides a security door, includes door frame and door leaf, one side of door leaf is connected through hinge and door frame hinge, the door leaf round the central axis of hinge is relative rotary motion, the door leaf includes interior door plant and outer door plant, interior door plant is connected with outer door plant cooperation, the opposite side of the relative hinge of door leaf is provided with the lock with door frame complex, the lock includes lock panel and locking device, locking device sets up between interior door plant and outer door plant, lock panel set up in interior door plant and outer door plant correspond locking device department, locking device includes the casing, sets up inclined plane spring bolt subassembly and the theftproof subassembly in the casing, its characterized in that: the anti-theft component comprises an anti-theft lock tongue and a locking driving unit matched with the anti-theft lock tongue, the locking driving unit comprises a lock cylinder, a driving connecting rod, a limiting rod and a driving push rod, the middle part of the driving connecting rod is arranged in the shell through a connecting column, the driving connecting rod rotates relatively along the circumferential direction of the connecting column, one end of the driving connecting rod is matched and connected with one end of the limiting rod, the other end of the limiting rod, which is opposite to the driving connecting rod, is matched and connected with the driving push rod, one end of the driving push rod is connected with the anti-theft lock tongue, a cam is sleeved on the outer circumferential surface of the lock cylinder, the other side of the outer circumference of the lock core, which corresponds to the cam, is provided with a sector gear, the other end of the driving connecting rod, which corresponds to the limiting rod, is provided with a roller, the cam is matched with the roller, a vertical column is arranged at the position, corresponding to the sector gear, of the driving push rod, and the gear teeth of the sector gear are in meshed transmission with the vertical column.

2. The security door of claim 1, wherein: and the outer circumference of the cam is provided with a roller way matched with the roller, and the roller is connected with the roller way in a matching way.

3. The security door of claim 2, wherein: the middle part of gag lever post is provided with the direction reset unit, the direction reset unit is including setting up the guide way on the gag lever post, setting up in the guide way and the guide post of being connected with the casing and setting up the spring in the spacing inslot that the guide way corresponds drive push rod one side, set up in the guide way and set up in the guide post of limiting groove one side, the guide post matches with the guide way, the one end and the guide post looks butt of spring, the other end with the side looks butt of the relative spacing groove opposite side of guide way, the guide post is followed under the drive of drive connecting rod the relative slip is done to the length direction of guide way, the guide post corresponds drive push rod one end and is provided with and is used for spacing.

4. The security door of claim 3, wherein: the limiting unit comprises a limiting clamping column arranged at one end, corresponding to the driving push rod, of the limiting rod and a toothed limiting clamping groove arranged at one side, corresponding to the limiting clamping column, of the driving push rod, and the limiting clamping column is matched with the limiting clamping groove.

5. The security door of claim 4, wherein: the number of the upright columns on the driving push rod is the same as that of the gear teeth of the sector gear.

6. The security door of claim 5, wherein: the other side of the driving push rod opposite to the upright post is provided with a sliding unit, the sliding unit comprises a sliding channel arranged on the driving push rod and a sliding piece connected with the sliding channel in a matched mode, and the sliding piece is connected with the shell through a connecting column.

7. The security door of claim 6, wherein: and two sides of the shell corresponding to the lock cylinder are provided with limiting stop posts matched with the sector gear.

8. The security door of claim 7, wherein: the door lock is characterized in that a handle is arranged on the door lock panel, the handle is connected with the inclined plane spring bolt assembly in a matched mode, and a key hole matched with the lock cylinder is formed in the lower portion of the handle.