CN112901039A

CN112901039A - Anti-theft door

Info

Publication number: CN112901039A
Application number: CN202110194245.2A
Authority: CN
Inventors: 唐一萍
Original assignee: Individual
Current assignee: Zhejiang Chengye Industry And Trade Co ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-04
Anticipated expiration: 2041-02-20
Also published as: CN112901039B

Abstract

The invention discloses a security door which comprises a security door main body, wherein a security door lock is fixedly arranged on the inner upper side of the security door main body, a security door handrail is fixedly connected to the right end face of the security door lock, a working cavity with a right opening is formed in the lower side of the security door lock, a supporting turnover shaft is rotatably arranged on the front side between the upper wall and the lower wall of the working cavity, a turnover plate capable of turning is fixedly connected to the outer circular surface of the supporting turnover shaft, a lifting cavity with a backward opening is formed in the turnover plate, a card installing lock cylinder capable of moving up and down is arranged in the lifting cavity, a lock clamping cavity is formed in the lower wall of the lifting cavity, the front side of the lower end face of the card installing lock cylinder extends into the lock clamping cavity. The invention disturbs the stealing personnel to unlock the coded lock by an enumeration mode through an unlocking mode different from that of a normal coded lock, drives the standby key storage plate to rotate through the rotation of the key lock, and disturbs the stealing personnel to steal the standby key through an abnormal rotation mode.

Description

Anti-theft door

Technical Field

The invention relates to the technical field of security doors, in particular to a security door.

Background

In order to consider the safety of residents, the security door is an important part of the safety of houses, the design of the security door is more biased to electronic unlocking along with the development of science and technology, once electronic equipment is leaked, passwords are easy to steal by thieves, a common traditional security door is unlocked by a key usually, if the key is lost in the process, residents can get in and out of the door inconveniently, a space for placing a spare key is not formed in the common security door, and common users often hide the spare key below a doorway insole, so that certain potential safety hazards are caused.

Disclosure of Invention

The invention aims to solve the technical problem of providing a security door aiming at the defects in the prior art.

According to the invention, the anti-theft door comprises an anti-theft door main body, wherein an anti-theft door lock is fixedly arranged on the inner upper side of the anti-theft door main body, an anti-theft door handrail is fixedly connected to the right end face of the anti-theft door lock, a working cavity with a right opening is formed in the lower side of the anti-theft door lock, a supporting turnover shaft is rotatably arranged on the front side between the upper wall and the lower wall in the working cavity, a turnover plate with a turnover function is fixedly connected to the outer circular surface of the supporting turnover shaft, a lifting cavity with a backward opening is formed in the turnover plate, a card installing lock cylinder capable of moving up and down is arranged in the lifting cavity, a lock clamping cavity is formed in the lower wall of the lifting cavity, the front side of the lower end face of the card installing lock cylinder extends into the lock clamping cavity, a card installing lock cylinder is provided with a clamping groove with a backward opening in the lock clamping cavity, the outer circular surface of the supporting shaft is fixedly connected with a meshing straight gear, a communicating clamping groove with a forward opening is formed in the meshing straight gear, and the outer circular surfaces of three meshing straight gears above the lowest meshing straight gear extend into the clamping groove.

In foretell burglary-resisting door, be equipped with the meshing chamber in the lock card chamber back wall, it is equipped with the support connecting rod to rotate between the two walls about the meshing chamber, the outer disc of support connecting rod distributes and rotates from last to matrix arrangement down and is connected with four meshing gears, meshing gear and the outer disc gear engagement of meshing straight-teeth gear, the wall intercommunication is equipped with the intercommunication chamber behind the working chamber, intercommunication intracavity lower wall intercommunication is equipped with the lift and connects the chamber, the lift is connected the intracavity and is equipped with the lift connecting plate that can reciprocate and can rotate, lift connecting plate up end upwards extend to the intercommunication intracavity and with terminal surface rear side fixed connection under the dress card lock core, terminal surface fixedly connected with spline under the lift connecting plate, it is equipped with the spline sleeve to connect the intracavity rotation.

In foretell burglary-resisting door, the antetheca intercommunication is equipped with the rotation and supports the chamber in the work chamber, rotates to support to rotate between the intracavity left and right sides two walls and is equipped with the transmission back shaft, and the outer disc fixedly connected with of transmission back shaft deposits the commentaries on classics board, deposits the outer disc matrix of commentaries on classics board and distributes and deposit the chamber and be used for depositing spare key.

In foretell burglary-resisting door, be equipped with the belt pulley chamber in the lock card chamber lower wall, downside back shaft bottom end face downwardly extending extends to belt pulley intracavity and fixedly connected with driving pulley, the rotation of belt pulley intracavity back wall is equipped with driven pulleys, around being equipped with driving belt between driven pulleys and the driving pulley, terminal surface axle center fixedly connected with power shaft under the driven pulleys, be equipped with the clamping switching chamber backward of opening in the belt pulley chamber lower wall, power shaft bottom end face downwardly extending switches intracavity fixedly connected with clamping straight-teeth gear to the clamping, clamping straight-teeth gear disc rear side is equipped with the clamping draw-in groove backward of opening, working chamber back wall downside intercommunication is equipped with the clamping groove, clamping straight-teeth gear disc rear side extends to the clamping inslot and dress card.

In foretell burglary-resisting door, the intercommunication of lift connection chamber downside is equipped with the ratchet chamber, and ratchet intracavity lower wall rotates and is equipped with the rotation ratchet, rotates and is equipped with the interior round chamber that the opening upwards and the inner wall has the tooth's socket in the ratchet, and the lower terminal surface downwardly extending of spline sleeve is to interior round intracavity and fixedly connected with clamping carousel, and clamping carousel lower terminal surface downwardly extending is to interior round intracavity and fixedly connected with about the clamping carousel longitudinal symmetry, rotates under the ratchet terminal surface fixedly connected with and connects the transmission shaft.

In foretell burglary-resisting door, the ratchet chamber be equipped with the gear chamber in the ratchet chamber lower wall, connect the transmission shaft lower extreme face and extend downwards in the gear chamber and fixedly connected with drive bevel gear, the left wall rotation of gear intracavity is equipped with the drive bevel gear with drive bevel gear engaged with, drive bevel gear left end face axle center fixed connection has the power input shaft.

In the anti-theft door, a contact blocking cavity is arranged in the lower wall of the working cavity, a fixed blocking plate is fixedly arranged in the contact blocking cavity, a blocking rotating cavity with an upward opening is arranged in the fixed blocking plate, three speed reduction grooves are arranged on an annular matrix on the inner wall of the blocking rotating cavity, the lower end surface of a supporting turnover shaft extends downwards into the blocking rotating cavity, three fixed supporting plates are arranged on an annular matrix on the outer circular surface, a supporting rotating shaft is rotatably arranged on the upper end surface of each fixed supporting plate, an arc-shaped turnover rod is fixedly connected to the outer circular surface of the supporting rotating shaft, three supporting plates are distributed on the annular matrix on the upper end surface of the supporting rotating plate, a reset moving cavity with an opening facing the circle center of the supporting turnover shaft is arranged in each supporting plate, a reset connecting rod capable of guiding and moving along the reset moving cavity is arranged in each reset moving cavity, and a return spring is fixedly connected between the end surface of one side of the fixed circular plate, which is far away from the support turnover shaft, and the end wall of one side of the reset moving cavity, which is far away from the support turnover shaft.

In foretell burglary-resisting door, deposit commentaries on classics board lower extreme intercommunication and be equipped with the decurrent dress draw-in groove of opening, rotate and support chamber lower wall intercommunication and be equipped with the ascending and descending clamping chamber of opening, the ascending and descending clamping intracavity is equipped with the ascending and descending dress cardboard that can reciprocate, fixedly connected with clamping spring between terminal surface and the ascending and descending clamping chamber lower wall terminal surface under the ascending and descending dress cardboard, the fixed electro-magnet that is equipped with of ascending and descending clamping chamber lower wall.

In foretell burglary-resisting door, be equipped with the belt chamber of oblique back below in the rotation support chamber left wall, transmission back shaft rear end face backward extends to belt intracavity and fixedly connected with driven pulley, and belt intracavity lower wall rotates and is equipped with drive pulley, winds between drive pulley and the driven pulley and is equipped with power belt, and power input shaft left end face extends to belt intracavity and with drive pulley right-hand member face axle center fixed connection, driven pulley left end face axle center fixedly connected with transmission shaft that resets left.

In foretell burglary-resisting door, the upside is equipped with the switching chamber in the belt chamber left wall, the reset transmission shaft left end face extends to the switching intracavity left and fixedly connected with reset ratchet wheel, fixedly connected with reset torsion spring between reset ratchet wheel right-hand member face and the switching chamber right-hand member face, be equipped with the opening in the reset ratchet wheel left and the inner circle chamber of switching that the inner wall was equipped with the tooth's socket, switching intracavity left wall is equipped with the power axis of rotation that can remove about, the power axis of rotation right-hand member face extends to switching inner circle intracavity inner wall right and fixedly connected with switches the pawl, switch pawl and switch the inner circle intracavity tooth's socket dress card, power axis of rotation left end face extends to burglary-resisting door main part left side left and fixedly connected with rotating disc left, be equipped with the support clamping groove left of opening in the support clamping groove outside.

The invention disturbs the stealing personnel to unlock the coded lock by an enumeration mode through an unlocking mode different from that of a normal coded lock, drives the standby key storage plate to rotate through the rotation of the key lock, and disturbs the stealing personnel to steal the standby key through an abnormal rotation mode.

Drawings

A more complete understanding of the present invention, and the attendant advantages and features thereof, will be more readily understood by reference to the following detailed description when considered in conjunction with the accompanying drawings wherein:

FIG. 1 is a schematic view of the construction of the security door of the present invention;

3 fig. 32 3 is 3 a 3 schematic 3 view 3 of 3 the 3 structure 3 a 3- 3 a 3 in 3 fig. 31 3. 3

Fig. 3 is an enlarged structural diagram of B in fig. 2.

Fig. 4 is a schematic diagram of the structure C-C in fig. 3.

Fig. 5 is a schematic diagram of the structure of D-D in fig. 1.

Fig. 6 is a schematic diagram of the structure of E-E in fig. 5.

Fig. 7 is an enlarged structural view of F in fig. 6.

Fig. 8 is a schematic view of the structure of G-G in fig. 7.

FIG. 9 is a schematic diagram of the structure of H-H in FIG. 1.

FIG. 10 is a schematic view of the structure of I-I in FIG. 9.

FIG. 11 is a schematic view of the structure of J-J in FIG. 3.

It is to be noted, however, that the appended drawings illustrate rather than limit the invention. It is noted that the drawings representing structures may not be drawn to scale. Also, in the drawings, the same or similar elements are denoted by the same or similar reference numerals.

Detailed Description

In order that the present disclosure may be more clearly and readily understood, reference will now be made in detail to the present disclosure as illustrated in the accompanying drawings.

As shown in fig. 1 to 11, the structure of the security door of the present embodiment includes a security door body 11, a security door lock 12 is fixedly disposed on an inner upper side of the security door body 11, and a security door handle 13 is fixedly connected to a right end surface of the security door lock 12.

The lower side of a lock 12 of the anti-theft door is provided with a working cavity 15 with a rightward opening, the front side between the upper wall and the lower wall in the working cavity 15 is rotatably provided with a supporting turnover shaft 68, the outer circular surface of the supporting turnover shaft 68 is fixedly connected with a turnover plate 14 which can turn over, the interior of the turnover plate 14 is provided with a lifting cavity 19 with a backward opening, the interior of the lifting cavity 19 is provided with a clamping lock cylinder 21 capable of moving up and down, the lower wall of the lifting cavity 19 is provided with a locking cavity 26, the front side of the lower end surface of the clamping lock cylinder 21 extends into the locking cavity 26, the clamping lock cylinder 21 is positioned in the locking cavity 26 and is provided with a clamping groove 23 with a backward opening, the rear wall in the locking cavity 26 is communicated with four rotating meshing cavities 83 which are distributed in a matrix arrangement from top to bottom and have forward openings, a supporting shaft 24 is rotatably arranged between the upper wall and the lower wall in all, the outer circular surface of three meshing straight gears 27 above the lowermost meshing straight gear 27 extends into the clamping groove 23, a belt wheel cavity 31 is arranged in the lower wall of the clamping cavity 26, the lower end surface of the lowermost supporting shaft 24 extends downwards into the belt wheel cavity 31 and is fixedly connected with a driving belt wheel 29, a driven belt wheel 32 is arranged on the inner rear wall of the belt wheel cavity 31 in a rotating mode, a transmission belt 30 is wound between the driven belt wheel 32 and the driving belt wheel 29, a power shaft 33 is fixedly connected with the shaft center of the lower end surface of the driven belt wheel 32, a clamping switching cavity 85 with a backward opening is arranged in the lower wall of the belt wheel cavity 31, a clamping straight gear 34 is fixedly connected with the lower end surface of the power shaft 33 and extends downwards into the clamping switching cavity 85, the rear side of the outer circular surface of the clamping straight gear 34 is provided with a clamping groove 35 with a backward opening, the lower side of the rear wall of the working cavity 15 is.

The rear wall of the locking cavity 26 is internally provided with a meshing cavity 18, a supporting connecting rod 16 is rotatably arranged between the upper wall and the lower wall of the meshing cavity 18, the outer circular surface of the supporting connecting rod 16 is distributed in a matrix arrangement from top to bottom and is rotatably connected with four meshing gears 17, the meshing gears 17 are meshed with the outer circular surface gears of the meshing straight gears 27, the rear wall of the working cavity 15 is communicated with a communicating cavity 20, the lower wall of the communicating cavity 20 is communicated with a lifting connecting cavity 22, a lifting connecting plate 43 capable of moving up and down and rotating is arranged in the lifting connecting cavity 22, the upper end surface of the lifting connecting plate 43 upwards extends into the communicating cavity 20 and is fixedly connected with the rear side of the lower end surface of the locking lock cylinder 21, the lower end surface of the lifting connecting plate 43 is fixedly connected with a spline 42.

The front wall in the working cavity 15 is communicated with a rotary supporting cavity 84, a transmission supporting shaft 49 is rotatably arranged between the left wall and the right wall in the rotary supporting cavity 84, the outer circular surface of the transmission supporting shaft 49 is fixedly connected with a storage rotating plate 48, and storage cavities 47 for storing spare keys are distributed on the outer circular surface of the storage rotating plate 48 in a matrix arrangement mode. The lower side of the lifting connection cavity 22 is communicated with a ratchet cavity 39, a rotating ratchet 40 is arranged on the lower wall in the ratchet cavity 39 in a rotating mode, an inner cavity 45 with an upward opening and a tooth groove in the inner wall is formed in the rotating ratchet 40, the lower end face of the spline sleeve 44 extends downwards into the inner cavity 45 and is fixedly connected with a clamping rotary disc 41, the lower end face of the clamping rotary disc 41 extends downwards into the inner cavity 45 and is fixedly connected with the clamping rotary disc 41 in a front-back symmetrical mode, and a connecting transmission shaft 87 is fixedly connected to the lower end face of the rotating. A gear cavity 36 is arranged in the lower wall of the ratchet cavity 39, the lower end surface of the connecting transmission shaft 87 extends downwards into the gear cavity 36 and is fixedly connected with a driving bevel gear 38, a transmission bevel gear 37 meshed with the driving bevel gear 38 is rotatably arranged on the left wall in the gear cavity 36, and a power input shaft 82 is fixedly connected with the axis of the left end surface of the transmission bevel gear 37. The lower end of the storage rotating plate 48 is communicated with a clamping groove 50 with a downward opening, the lower wall of the rotating support cavity 84 is communicated with a lifting clamping cavity 52 with an upward opening, a lifting clamping plate 51 capable of moving up and down is arranged in the lifting clamping cavity 52, a clamping spring 53 is fixedly connected between the lower end face of the lifting clamping plate 51 and the lower wall end face of the lifting clamping cavity 52, and an electromagnet 54 is fixedly arranged on the lower wall of the lifting clamping cavity 52.

A contact blocking cavity 69 is arranged in the lower wall of the working cavity 15, a fixed blocking plate 80 is fixedly arranged in the contact blocking cavity 69, a blocking rotating cavity 88 with an upward opening is arranged in the fixed blocking plate 80, three decelerating grooves 70 are arranged in an annular matrix in the inner wall of the blocking rotating cavity 88, the lower end surface of the supporting turnover shaft 68 extends downwards into the blocking rotating cavity 88, three fixed supporting plates 77 are arranged in an annular matrix on the outer circular surface, a supporting rotating shaft 78 is rotatably arranged on the upper end surface of the fixed supporting plates 77, an arc-shaped turnover rod 79 is fixedly connected to the outer circular surface of the supporting rotating shaft 78, three supporting plates 76 are distributed in an annular matrix on the upper end surface of the supporting rotating disc 71, a reset moving cavity 74 with an opening facing the circle center of the supporting turnover shaft 68 is arranged in the supporting plates 76, reset connecting rods 75 capable of guiding and moving along the reset moving cavity 74 are, a fixed circular plate 72 is fixedly connected to the end surface of the reset connecting rod 75 close to the supporting turning shaft 68, and a reset spring 73 is fixedly connected between the end surface of the fixed circular plate 72 far away from the supporting turning shaft 68 and the end wall of the reset moving cavity 74 far away from the supporting turning shaft 68.

The left wall of the rotating supporting cavity 84 is internally provided with a belt cavity 57 which is inclined towards the rear lower part, the rear end face of the transmission supporting shaft 49 extends backwards into the belt cavity 57 and is fixedly connected with a driven pulley 55, the inner lower wall of the belt cavity 57 rotates and is provided with a driving pulley 81, a power belt 56 is wound between the driving pulley 81 and the driven pulley 55, the left end face of the power input shaft 82 extends leftwards into the belt cavity 57 and is fixedly connected with the right end face shaft center of the driving pulley 81, and the left end face shaft center of the driven pulley 55 is fixedly connected with a reset transmission shaft 65. The upper side in the left wall of the belt cavity 57 is provided with a switching cavity 62, the left end face of a reset transmission shaft 65 extends leftwards into the switching cavity 62 and is fixedly connected with a reset ratchet 63, a reset torsion spring 64 is fixedly connected between the right end face of the reset ratchet 63 and the end face of the right wall of the switching cavity 62, a switching inner cavity 67 with an opening leftwards and a tooth socket on the inner wall is arranged in the reset ratchet 63, the left wall in the switching cavity 62 is provided with a power rotating shaft 59 capable of moving leftwards and rightwards, the right end face of the power rotating shaft 59 extends rightwards into the inner wall of the switching inner cavity 67 and is fixedly connected with a switching pawl 66, the switching pawl 66 and the tooth socket on the inner surface of the switching inner cavity 67 are clamped, the left end face of the power rotating shaft 59 extends leftwards to the left side of the security door main body 11 and is fixedly connected with a rotating disc 58, a supporting clamping groove 61 with an.

Before the use, the turnover plate 14 is located the horizontality, and the dress card lock core 21 is located the lower extreme position, and the lift connecting plate 43 is located the lower extreme position. When the anti-theft door lock is used, normal anti-theft door unlocking is carried out through the anti-theft door lock 12, an in-out person can drive the anti-theft door main body 11 to rotate and enter and exit through the anti-theft door handrail 13, when a spare key needs to be stored, a user can rotate the three upper side meshing gears 17 at the moment, the meshing gears 17 rotate to the process corresponding to the password at the moment, the meshing gears 17 rotate to drive the meshing straight gears 27 to rotate through gear meshing, the meshing straight gears 27 rotate at the moment, the meshing straight gears 27 rotate to the right position at the moment, the communicating clamping groove 25 rotates to the left side at the moment and enables the meshing straight gears 27 and the lower wall of the clamping groove 23 not to be clamped, the clamping lock cylinder 21 can move up and down at the moment, the user drives the clamping lock cylinder 21 to move upwards, the left end of the clamping lock cylinder 21 is not clamped in the locking cavity 26, meanwhile, the lowest side meshing gear 17, at the moment, the lowest side meshed straight gear 27 rotates and drives the driving belt wheel 29 to rotate through the lowest side supporting shaft 24, at the moment, the driving belt wheel 29 rotates and drives the driven belt wheel 32 to rotate through the transmission of the transmission belt 30, at the moment, the driven belt wheel 32 rotates and drives the clamping straight gear 34 to rotate through the transmission of the power shaft 33, at the moment, the clamping straight gear 34 rotates to enable one side of the clamping groove 35 to enter the clamping groove 86, the clamping straight gear 34 and the clamping groove 35 are not clamped any longer, at the moment, the turnover plate 14 is not locked any longer and can be turned over and opened, if wrong passwords or irregular use results in too much rotation of the meshed gear 17 in the second process, one side of the communicating clamping groove 25 is moved to the left end, the meshed gear 17 and the meshed straight gear 27 lose gear meshing, the clamping lock cylinder 21 is completely locked, the effect that if a person does not understand an unlocking program to directly lock the password lock is achieved, then, after the turning plate 14 is turned and opened, a spare key is not stored in the working cavity 15, at this time, a further user is required to rotate the clamping lock cylinder 21, at this time, the clamping lock cylinder 21 rotates to drive the lifting connecting plate 43 to rotate, at this time, the lifting connecting plate 43 rotates through the spline connecting with the driving spline sleeve 44, at this time, the spline sleeve 44 rotates to drive the clamping turntable 41 to rotate anticlockwise, at this time, the clamping turntable 41 rotates anticlockwise to drive the clamping pawl 46 to rotate anticlockwise, at this time, the clamping pawl 46 drives the rotating ratchet 40 to rotate anticlockwise, at this time, the rotating ratchet 40 drives the driving bevel gear 38 to rotate through the connecting transmission shaft 87, at this time, the driving bevel gear 38 drives the transmission bevel gear 37 to rotate through gear engagement, the transmission bevel gear 37 drives the driving pulley 81 to rotate through the power input shaft 82, at, at the moment, the driven belt pulley 55 rotates to drive the transmission support shaft 49 to rotate, at the moment, the transmission support shaft 49 drives the storage rotating plate 48 to rotate, at the moment, the storage rotating plate 48 rotates and gradually drives the storage cavities 47 to overturn into the working cavities 15, at the moment, a user can drive different storage cavities 47 to rotate into the working cavities 15 by adjusting the rotation angle of the lifting connecting plate 43, so that the user can conveniently store spare keys in different storage cavities 47 for confusing and stealing people, at the moment, the driven belt pulley 55 drives the reset ratchet wheel 63 to overcome the elastic force of the reset torsion spring 64 to rotate clockwise through the transmission of the reset transmission shaft 65, at the moment, the reset ratchet wheel 63 rotates clockwise and does not rotate with the switching pawl 66, at the moment, after the reset ratchet wheel 63 rotates, the reset ratchet wheel is clamped through the switching pawl 66 and prevented from rotating reversely when the stealing people break the plate and steal, at this time, the locking cylinder 21 is unlocked and the rotation of the storage rotating plate 48 cannot be carried out, and further, the spare key is protected from being stolen, at this time, if a thief forcibly rotates and opens the turnover plate 14 quickly, at this time, the support turnover shaft 68 rotates quickly and the support rotating disc 71 rotates at an increased speed, at this time, the support rotating disc 71 rotates at an increased speed to cause an increased centrifugal force on the turnover rod 79, at this time, the turnover rod 79 turns outwards due to the increased centrifugal force and turns outwards around the support rotating shaft 78 as an axis, at this time, the turnover rod 79 moves outwards and overcomes the elastic force of the reset connecting rod 75, at this time, the turnover rod 79 turns outwards and blocks the support rotating disc 71 from rotating instantly through the blocking of the deceleration groove 70, at this time, the fixed blocking plate 80 detects that the turnover rod 79 impacts and controls the electromagnet 54 to start, at this time, the electromagnet 54 is started and powered on and has certain magnetism, at this time, the lifting locking plate 51 overcomes the, when the storage rotating plate 48 needs to be reset, a user moves the rotating disc 58 leftwards at the moment, the rotating disc 58 drives the power rotating shaft 59 to move leftwards through fixed connection, and the switching pawl 66 is not located in the switching inner circular cavity 67 for loading. At the moment, the reset ratchet wheel 63 resets due to the torsional elastic action of the reset torsion spring 64, at the moment, the reset torsion spring 64 drives the reset ratchet wheel 63 to rotate and reset, and the reset ratchet wheel 63 drives the storage rotating plate 48 to rotate and reset through the transmission of the reset transmission shaft 65.

The embodiment of the invention can store the spare key, and the stealing personnel is disturbed to unlock the coded lock in an enumeration mode through an unlocking mode different from that of a normal coded lock, the spare key storage plate is driven to rotate through the rotation of the key lock, the stealing personnel is disturbed to steal the spare key in an abnormal rotation mode, and meanwhile, when the stealing personnel forcedly breaks the plate and steals the plate, the overturning plate is blocked to rotate through the overturning over-fast of the overturning plate and the storage plate is locked to be dead, and the stealing personnel is placed to forcedly steal the spare key, so that the safety of the spare key is further protected.

It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. A security door comprises a security door body, a security door lock is fixedly arranged on the inner upper side of the security door body, a security door handrail is fixedly connected with the right end face of the security door lock, and the security door is characterized in that a working cavity with a rightward opening is formed in the lower side of the security door lock, a supporting turnover shaft is rotatably arranged on the front side between the upper wall and the lower wall of the working cavity, a turnover plate capable of turning is fixedly connected with the outer circular face of the supporting turnover shaft, a lifting cavity with a backward opening is formed in the turnover plate, a card installing lock cylinder capable of moving up and down is arranged in the lifting cavity, a lock clamping cavity is formed in the lower wall of the lifting cavity, the front side of the lower end face of the card installing lock cylinder extends into the lock clamping cavity, a card installing lock cylinder is arranged in the lock clamping cavity and provided with a backward opening, four rotating meshing cavities which are distributed in a matrix arrangement from top to bottom, the outer circular surface of the supporting shaft is fixedly connected with a meshing straight gear, a communicating clamping groove with a forward opening is formed in the meshing straight gear, and the outer circular surfaces of three meshing straight gears above the lowest meshing straight gear extend into the clamping groove.

2. The security door according to claim 1, wherein a meshing cavity is formed in the rear wall of the lock clamping cavity, a supporting connecting rod is rotatably arranged between the upper wall and the lower wall of the meshing cavity, four meshing gears are distributed in a matrix arrangement from top to bottom and are rotatably connected to the outer circular surface of the supporting connecting rod, the meshing gears are meshed with the outer circular surface of the meshing spur gear, a communicating cavity is communicated with the rear wall of the working cavity, a lifting connecting cavity is communicated with the lower wall of the communicating cavity, a lifting connecting plate capable of moving up and down and rotating is arranged in the lifting connecting cavity, the upper end surface of the lifting connecting plate extends upwards into the communicating cavity and is fixedly connected with the rear side of the lower end surface of the lock cylinder, a spline is fixedly connected to the lower end surface of the lifting connecting plate, a.

3. The anti-theft door according to claim 1, wherein the front wall of the working chamber is provided with a rotary supporting chamber in communication therewith, a transmission supporting shaft is rotatably provided between the left and right walls of the rotary supporting chamber, the outer circumferential surface of the transmission supporting shaft is fixedly connected with a storage rotating plate, and the storage chambers for storing spare keys are distributed in a matrix arrangement on the outer circumferential surface of the storage rotating plate.

4. The security door according to claim 1, wherein a belt wheel cavity is arranged in the lock catch cavity lower wall, the lower end surface of the lowest support shaft extends downwards into the belt wheel cavity and is fixedly connected with a driving belt wheel, a driven belt wheel is arranged in the belt wheel cavity inner rear wall in a rotating mode, a transmission belt is wound between the driven belt wheel and the driving belt wheel, a power shaft is fixedly connected with the axis of the lower end surface of the driven belt wheel, a backward-opening clamping switching cavity is arranged in the belt wheel cavity lower wall, a clamping straight gear is fixedly connected with the clamping shaft lower end surface of the power shaft extends downwards into the clamping switching cavity, a backward-opening clamping groove is arranged on the rear side of the outer circular surface of the clamping straight gear, a clamping groove is communicated with the lower side of the working cavity rear wall, and.

5. The security door of claim 1, wherein a ratchet cavity is communicated with the lower side of the lifting connection cavity, a rotating ratchet is rotatably arranged at the lower wall in the ratchet cavity, an inner circular cavity with an upward opening and a tooth socket on the inner wall is arranged in the rotating ratchet, the lower end surface of the spline sleeve extends downwards into the inner circular cavity and is fixedly connected with a clamping turntable, the lower end surface of the clamping turntable extends downwards into the inner circular cavity and is fixedly connected with the clamping turntable in a front-back symmetrical manner, and a connecting transmission shaft is fixedly connected with the lower end surface of the rotating ratchet.

6. The anti-theft door according to claim 5, wherein the ratchet cavity is provided with a gear cavity in the lower wall of the ratchet cavity, the lower end surface of the connecting transmission shaft extends downwards into the gear cavity and is fixedly connected with a drive bevel gear, the left wall in the gear cavity is rotatably provided with a transmission bevel gear engaged with the drive bevel gear, and the axis of the left end surface of the transmission bevel gear is fixedly connected with the power input shaft.

7. The anti-theft door according to claim 1, wherein a contact blocking chamber is arranged in the lower wall of the working chamber, a fixed blocking plate is fixedly arranged in the contact blocking chamber, a blocking rotating chamber with an upward opening is arranged in the fixed blocking plate, three decelerating grooves are arranged on an annular matrix on the inner wall of the blocking rotating chamber, the lower end surface of the supporting turning shaft extends downwards into the blocking rotating chamber, three fixed supporting plates are arranged on an annular matrix on the outer circular surface, a supporting rotating shaft is rotatably arranged on the upper end surface of each fixed supporting plate, an arc-shaped turning rod is fixedly connected to the outer circular surface of the supporting rotating shaft, three supporting plates are distributed on the upper end surface of the supporting rotating disc in an annular matrix manner, a reset moving chamber with an opening facing the center of the supporting turning shaft is arranged in each supporting plate, a reset connecting rod capable of guiding and moving along the reset, the end face of one side of the reset connecting rod, which is close to the support turning shaft, is fixedly connected with a fixed circular plate, and a reset spring is fixedly connected between the end face of one side of the fixed circular plate, which is far away from the support turning shaft, and the end wall of one side of the reset moving cavity, which is far away from the support turning shaft.

8. The security door according to claim 1, wherein the lower end of the storage rotating plate is communicated with a clamping groove with a downward opening, the lower wall of the rotating support cavity is communicated with a lifting clamping cavity with an upward opening, a lifting clamping plate capable of moving up and down is arranged in the lifting clamping cavity, a clamping spring is fixedly connected between the lower end surface of the lifting clamping plate and the lower end surface of the lifting clamping cavity, and an electromagnet is fixedly arranged on the lower wall of the lifting clamping cavity.

9. The anti-theft door according to claim 8, wherein a belt cavity is arranged in the left wall of the rotary supporting cavity and is inclined downward and rearward, the rear end face of the transmission supporting shaft extends rearward into the belt cavity and is fixedly connected with a driven pulley, the lower wall in the belt cavity is rotatably provided with a driving pulley in a rotary manner, a power belt is wound between the driving pulley and the driven pulley, the left end face of the power input shaft extends leftward into the belt cavity and is fixedly connected with the shaft center of the right end face of the driving pulley, and the shaft center of the left end face of the driven pulley is fixedly connected with a reset transmission shaft.

10. The anti-theft door according to claim 9, wherein a switching cavity is formed in the upper inner side of the left wall of the belt cavity, the left end face of the reset transmission shaft extends leftwards into the switching cavity and is fixedly connected with a reset ratchet wheel, a reset torsion spring is fixedly connected between the right end face of the reset ratchet wheel and the end face of the right wall of the switching cavity, a switching inner cavity with an opening leftwards and tooth grooves on the inner wall is formed in the reset ratchet wheel, a power rotating shaft capable of moving leftwards and rightwards is formed in the left wall of the switching cavity, the right end face of the power rotating shaft extends rightwards to the inner wall of the switching inner cavity and is fixedly connected with a switching pawl, the switching pawl is clamped with the tooth grooves on the inner surface of the switching inner cavity, the left end face of the power rotating shaft extends leftwards to the left side of the anti-theft door body and is fixedly connected with a rotating disc.