CN213898619U - Vault door - Google Patents

Abstract

The utility model relates to a national treasury technical field especially relates to a national treasury door, it includes door frame and door leaf, be provided with the door opening on the door frame, the door leaf is used for the lid to close the door opening, set up the storage tank on the door leaf, be provided with two first movable plates and second movable plate on the storage tank, be provided with many first reference columns on the first movable plate, set up many reference columns on the second movable plate, utilize drive assembly to make many first reference columns simultaneously stretch out first mounting hole and with first locating hole grafting cooperation, the second reference column stretches out the second mounting hole and with second locating hole grafting cooperation, from this lock the door leaf circumference and fix with the door frame, make the door leaf lid close the door opening, it can be more firm after making the door leaf lock, thereby the theftproof effect has been played, the security of national treasury door has been improved.

Description

Vault door

Technical Field

The application relates to the field of special doors, in particular to a vault door.

Background

The vault door is a special anti-theft door, which makes the bank vault an indispensable part, and the security of the bank vault is directly influenced by the anti-theft, fire-proof and anti-destruction performances of the vault door.

The prior vault door generally comprises a door frame and a door leaf, wherein the door frame and the door leaf of the vault door are required to have higher structural strength to prevent external force damage, one side of the door leaf is hinged with the door frame, a lock tongue plate is arranged on the other side of the door leaf, a locking mechanism for driving the lock tongue plate to lock the door frame is arranged in the door leaf, the lock tongue plate extends out and is inserted into a groove through the locking mechanism, and a mechanical coded lock is used for locking, so that the door leaf is locked.

Aiming at the related technologies, the inventor thinks that the tongue-plate of the coffer door is arranged on one side of the door leaf and locked with the groove, but the coffer is an important target for thieves to attack, and if the lock is not firm enough when only one lock tongue is inserted into the groove, the safety is not enough, and the anti-theft effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to lock the door leaf more firmly so as to improve the security of the national treasury, the application provides a national treasury door.

The application provides a vault door adopts following technical scheme:

a vault door comprises a door frame and a door leaf, wherein the door frame is provided with a door opening, the door leaf is used for covering the door opening, the door leaf is provided with two first moving plates and two second moving plates, one side surface of the door leaf is provided with an accommodating groove for accommodating the two first moving plates and the two second moving plates, the two first moving plates and the two second moving plates are distributed along four sides of the accommodating groove, a driving assembly for driving the two first moving plates and the two second moving plates to move simultaneously is arranged in the accommodating groove, two side surfaces, which are opposite to each other, of the two first moving plates are provided with a plurality of first positioning columns, two side surfaces, which are opposite to each other, of the two second moving plates are provided with a plurality of second positioning columns, and the groove wall of the accommodating groove is circumferentially provided with a first mounting hole and a second mounting hole, the first mounting holes are used for extending and retracting the first positioning columns, the second mounting holes are used for extending and retracting the second positioning columns, the inner side wall of the door opening is provided with a first positioning hole and a second positioning hole, when the door leaf rotates and covers the door opening, the driving assembly is driven, the first positioning columns extend out of the first mounting holes and are in plug-in fit with the first positioning holes, and the second positioning columns extend out of the second mounting holes and are in plug-in fit with the second positioning holes.

Through adopting above-mentioned technical scheme, set up the storage tank on the door leaf, be provided with two first movable plates and second movable plate on the storage tank, be provided with many first reference columns on the first movable plate, set up many second reference columns on the second movable plate, utilize drive assembly to make many first reference columns stretch out first mounting hole and with first reference hole grafting cooperation simultaneously, the second reference column stretches out the second mounting hole and with second reference hole grafting cooperation, from this lock the door leaf circumference and fixed with the door frame, make the door leaf lid close the door opening, it can be more firm after making the door leaf lock, thereby the theftproof effect has been played, the security of national treasury door has been improved.

Preferably, the driving assembly includes two first gears, two second gears, two first racks engaged with the first gears, and two second racks engaged with the second gears, the bottom of the accommodating groove is connected to two rotating columns via a bearing, the two first gears and the two second gears are respectively and fixedly sleeved on the corresponding rotating columns, the two first racks are located at two ends of the first gears, one end of each of the two first racks is respectively connected to the two first moving plates in a one-to-one correspondence manner, the two second racks are located between the two second gears, one end of each of the two second racks is respectively connected to the two second moving plates in a one-to-one correspondence manner, and the door leaf is provided with a locking assembly for locking and unlocking the two first racks.

Through adopting above-mentioned technical scheme, add two first gears and two second gears in the storage tank, unblock locking subassembly, the end that stretches out of the rotation post of keeping away from the articulated shaft when rotating, first gear and second gear owing to with rotate the coaxial and rotation of post, two first racks drive two first movable plates and deviate from or relative movement mutually, two second racks drive two second movable plates and deviate from or relative movement mutually, make first movable plate and second movable plate simultaneous movement that from this can be swift, and then make first reference column stretch out and retract first mounting hole, the second reference column stretches out and retracts the second mounting hole.

Preferably, the locking assembly is two mechanical coded locks, the two mechanical coded locks are arranged at the bottom of the accommodating groove and are located between the two first gears, a code dial of the mechanical coded lock is arranged on the door leaf, a mounting groove for accommodating the code dial is formed in one surface, away from the accommodating groove, of the door leaf, a locking hole corresponding to a lock tongue of the mechanical coded lock is formed in the two first racks, and when the mechanical coded lock is locked, the lock tongue is in plug-in fit with the corresponding locking hole.

Through adopting above-mentioned technical scheme, add mechanical trick lock and make non-staff can not unblock the national treasury door at will, the spring bolt makes the fixed locking of second rack in the drive assembly with the lockhole grafting cooperation that corresponds, strengthens the theftproof effect of national treasury door from this, further improves the security of national treasury door.

Preferably, the rotating column penetrates through the bottom of the accommodating groove and the door leaf, extends out of the door leaf and is fixedly connected with the rotating disc.

Through adopting above-mentioned technical scheme, the setting of carousel is convenient for the staff to rotate the rotation post and is made to rotate the first gear of post drive and second gear rotation.

Preferably, the door leaf is detachably connected with a cover plate used for covering the notch of the accommodating groove, the cover plate is provided with an opening, the opening is communicated with the accommodating groove, the door leaf is provided with a baffle used for covering the opening, and one end of the baffle is hinged to the cover plate.

Through adopting above-mentioned technical scheme, the setting of apron shelters from the effect to the storage tank, reduces debris and gets into the storage tank and influence the drive assembly motion, and the open-ended setting is convenient for the staff and is changed the password of mechanical trick lock.

Preferably, the door leaf is provided with a baffle for covering the opening, one end of the baffle is hinged to the cover plate, and one end of the baffle, which is far away from the hinged shaft, is provided with a lock hole for locking and unlocking the baffle.

Through adopting above-mentioned technical scheme, the setting of baffle has played the effect of covering to the opening, makes during the staff is difficult for stretching the hand into the storage tank certainly through the opening, and the setting of lockhole can be fixed the apron at the opening part, makes the non-staff be difficult for opening the apron to reduce the condition emergence of the random change password of non-staff.

Preferably, the plurality of guide columns are arranged on the notch of the accommodating groove, the guide columns are uniformly distributed on four sides of the bottom of the accommodating groove, first guide plates are connected to two ends of the first movable plate in the length direction, first guide grooves are formed in the first guide plates, second guide plates are connected to two ends of the second movable plate in the length direction, second guide grooves are formed in the second guide plates, the first guide plates are located at one ends, far away from the bottom of the accommodating groove, of the second guide plates, and the guide columns penetrate through the first guide grooves and the second guide grooves in sequence and are in sliding fit with the corresponding first guide grooves and the corresponding second guide grooves.

Through adopting above-mentioned technical scheme, the guide post slides the cooperation with first guide way and second guide way and has played limiting displacement to the movable plate, makes first movable plate and second movable plate more stable at the removal in-process, and the difficult skew is walked the position.

Preferably, one end of each guide column, which is far away from the bottom of the accommodating groove, is provided with a limiting block.

Through adopting above-mentioned technical scheme, the stopper has played limiting displacement to first deflector and second deflector to the in-process that makes first deflector slide with the second deflector is difficult for breaking away from with the guide post.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a plurality of first positioning columns are arranged on the first moving plate, a plurality of positioning columns are arranged on the second moving plate, the driving assembly is utilized to enable the plurality of first positioning columns to extend out of the first mounting holes and to be in splicing fit with the first positioning holes, and the second positioning columns extend out of the second mounting holes and to be in splicing fit with the second positioning holes, so that the door leaf can be firmer after being locked, the anti-theft effect is achieved, and the safety of the vault door is improved;

2. two first gears and two second gears are additionally arranged in the accommodating groove, the locking component is unlocked, the rotating column is rotated, the two first racks drive the two first moving plates to deviate or move relatively, and the two second racks drive the two second moving plates to deviate or move relatively, so that the first moving plate and the second moving plate can be rapidly and simultaneously moved, the first positioning column extends out of and retracts into the first mounting hole, and the second positioning column extends out of and retracts into the second mounting hole;

3. the mechanical coded lock is additionally arranged, so that non-workers cannot unlock the vault door at will, and the lock tongue is in inserted fit with the corresponding lock hole to fixedly lock the second rack in the driving assembly, so that the anti-theft effect of the vault door is enhanced, and the safety of the vault door is further improved;

4. the setting of carousel is convenient for the staff to rotate the rotation post and makes and rotate first gear of post drive and second gear rotation.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a partial schematic view of a drive assembly according to an embodiment of the present application;

FIG. 3 is a partial schematic view of the structure between the guide post and the first and second guide plates according to the embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of a door leaf of an embodiment of the present application;

fig. 5 is an enlarged view of a portion C in fig. 4.

Description of reference numerals: 1. a door frame; 2. a door leaf; 201. locking the door plate; 202. an anti-drilling door panel; 203. decorating the door panel; 3. a door opening; 4. a butting frame; 401. a first butting frame; 402. a second abutment frame; 5. a first moving plate; 6. a second moving plate; 7. a containing groove; 8. a first positioning post; 9. a second positioning column; 10. a first mounting hole; 11. a second mounting hole; 12. a first positioning hole; 13. a second positioning hole; 14. a drive assembly; 141. a first gear; 142. a second gear; 143. a first rack; 144. a second rack; 15. rotating the column; 16. a turntable; 18. A second limit convex strip; 19. a guide post; 20. a first guide plate; 21. a second guide plate; 22. a first guide groove; 23. a second guide groove; 24. a mechanical coded lock; 241. a combination dial; 242. a latch bolt; 243. a mandrel; 25. a jack; 26. a cover plate; 27. an opening; 28. a butt joint groove; 29. a baffle plate; 30. a lock hole; 31. a locking plate; 32. and (4) mounting the groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a vault door. Referring to fig. 1, a vault door, including door frame 1 and door leaf 2, the mountable of door frame 1 is seted up the door opening 3 that supplies the staff to pass in and out the vault on the door frame 1 on the wall, and door leaf 2 is used for covering door opening 3. The door 2 is composed of an upper locking door 201, an anti-drilling door 202 and a decorative door 203, and the anti-drilling door 202 is installed on one side surface of the upper locking door 201 to enhance the anti-drilling effect of the door 2. The decorative door panel 203 is installed on a surface of the anti-drilling door panel 202 away from the upper locking door panel 201 to decorate the door leaf 2.

Referring to fig. 1 and 4, the locking door 201 of the door 2 is provided with two first moving plates 5 parallel to each other and two second moving plates 6 parallel to each other. Meanwhile, a containing groove 7 for containing the two first moving plates 5 and the two second moving plates 6 is formed in the surface of the side, away from the anti-drilling door plate 202, of the upper locking door plate 201 of the door leaf 2. The two first moving plates 5 are respectively located on two sides of the width direction of the accommodating groove 7, and the two second moving plates 6 are respectively located on two sides of the length direction of the accommodating groove 7. Two first movable plates 5 both sides surfaces that deviate from mutually all weld many first locating posts 8, and in this embodiment, the quantity of first locating post 8 is five, and the length direction setting of first movable plate 5 is followed to five first locating posts 8. The accommodating groove 7 is provided with a plurality of first mounting holes 10 for extending and retracting each first positioning column 8 along two opposite groove walls of the upper locking door plate 201 in the width direction, and each first mounting hole 10 is communicated with the accommodating groove 7. Correspondingly, a plurality of first positioning holes 12 corresponding to the first positioning columns 8 one by one are formed in the inner side wall of the door opening 3 along the horizontal direction.

Meanwhile, a plurality of second positioning columns 9 are welded on the surfaces of two sides of the two second moving plates 6, which are away from each other, the number of the second positioning columns 9 of each second moving plate 6 is three, and the three second positioning columns 9 are arranged at equal intervals along the length direction of the second moving plates 6. A plurality of second mounting holes 11 for extending and retracting the second positioning columns 9 are circumferentially formed in the side wall of the upper locking door plate 201, and each second mounting hole 11 is communicated with the accommodating groove 7. Correspondingly, a plurality of second positioning holes 13 corresponding to the second positioning columns 9 one by one are formed in two inner side walls of the door opening 3 opposite to each other in the vertical direction.

Referring to fig. 2 and 4, further, a driving assembly 14 for driving the two first moving plates 5 and the two second moving plates 6 to move simultaneously is disposed in the accommodating groove 7. The driving assembly 14 includes two first gears 141, two second gears 142, two first racks 143, and two second racks 144. The bottom bearing of the accommodating groove 7 is connected with two rotating columns 15 which are horizontally arranged, and the two rotating columns 15 are positioned at two sides of the accommodating groove 7 in the width direction. Each of the first gears 141 and each of the second gears 142 are respectively and fixedly sleeved on the corresponding rotating column 15, and the first gears 141 and the second gears 142 are sequentially arranged along the axial length direction of the rotating column 15 from the free end near the bottom of the accommodating groove 7. The two first racks 143 are horizontally arranged and parallel to each other, the two first racks 143 are located at two ends of the two first gears 141, insections meshed with the two first gears 141 are arranged on two sides of the two first racks 143 along the length direction, and one end of each of the two first racks 143 is welded and fixed to the corresponding first moving plate 5. Meanwhile, the two second racks 144 are vertically arranged and parallel to each other, the two second racks 144 are located between the two second gears 142 and are meshed with the second gears 142, and one ends of the two second racks 144, which are far away from the second gears 142, are welded and fixed to the second moving plate 6.

A plurality of first limit convex strips and a plurality of second limit convex strips 18 are installed at the bottom of the accommodating groove 7, the first limit convex strips and the second limit convex strips 18 are arranged in a hollow manner, in this embodiment, the number of the first limit convex strips and the number of the second limit convex strips 18 are four, one first rack 143 corresponds to two first limit convex strips, one second rack 144 corresponds to two second limit convex strips 18, each first rack 143 runs through the first limit convex strips and is matched with the first limit convex strips in a sliding manner, each second rack 144 runs through the second limit convex strips 18 and is matched with the second limit convex strips 18 in a sliding manner, so that the first rack 143 and the second rack 144 are limited, and the first rack 143 and the second rack 144 are enabled to move stably.

Referring to fig. 3 and 4, in order to make the first moving plate 5 and the second moving plate 6 move more stably, four guide posts 19 are installed at the bottom of the accommodating groove 7, the four guide posts 19 are uniformly distributed at four sides of the bottom of the accommodating groove 7, first guide plates 20 are welded at two ends of the first moving plate 5 in the length direction, first guide grooves 22 are formed in the first guide plates 20, second guide plates 21 are welded at two ends of the second moving plate 6 in the length direction, second guide grooves 23 are formed in the second guide plates 21, and each guide post 19 sequentially penetrates through the first guide grooves 22 and the second guide grooves 23 and is in sliding fit with the corresponding first guide grooves 22 and the corresponding second guide grooves 23, so that the first moving plate 5 and the second moving plate 6 are guided. In addition, a limit block is welded at one end of each guide post 19, which is far away from the bottom of the accommodating groove 7, so that the guide posts 19 are not easy to separate from the first guide grooves 22 and the second guide grooves 23.

Referring to fig. 1 and 3, when the door 2 covers the door opening 3, the first gear 141 and the second gear 142 are rotated by rotating the rotating column 15, the two first racks 143 move to move the two first moving plates 5 away from each other, and each first positioning column 8 extends out of the first mounting hole 10 and is inserted into the first positioning hole 12. Meanwhile, the two second racks 144 move to make the two second moving plates 6 move away from each other, and each second positioning column 9 extends out of the second mounting hole 11 and is inserted into the second positioning hole 13, so that the door leaf 2 is circumferentially locked, and the anti-theft effect of the vault door is enhanced.

The inner periphery of door opening 3 is provided with butt joint frame 4, butt joint frame 4 includes first butt joint frame 401 and second butt joint frame 402, first butt joint frame 401 welds in a side surface that door leaf 2 was kept away from in door opening 3, second butt joint frame 402 is located door opening 3, when door leaf 2 lid closes door opening 3, lock door plant 201 and contradict in first butt joint frame 401, prevent boring the door plant and contradict in second butt joint frame 402, so played limiting displacement to door leaf 2, make first locating column 8 aim at first locating hole 12 fast, second locating column 9 aims at second locating hole 13 fast. In addition, a rotating column 15 far away from the hinge shaft of the door leaf 2 and the door frame 1 penetrates through the bottom of the accommodating groove 7 and extends out of the main body of the vault door, and a rotating disc 16 is fixedly welded at the extending end of the rotating column 15, so that the rotating column 15 is convenient for workers to rotate and drive the driving assembly 14.

Referring to fig. 2, the vault door is provided with a locking assembly for locking and unlocking two first racks 143. The locking assembly is two mechanical combination locks 24, and in the present embodiment, the mechanical combination lock 24 is a prior art rotary disc type mechanical combination lock 24. Two mechanical coded locks 24 are fixedly installed on the upper door panel 201, and in this embodiment, each mechanical coded lock 24 may be installed at the bottom of the accommodating groove 7 by a plurality of bolts and located between the two rotating columns 15. The mandrel 243 of each mechanical coded lock 24 sequentially penetrates through the bottom of the accommodating groove 7, the anti-drilling door panel 202 and the decorative door panel 203 and extends out of the decorative door panel 203, the code dial 241 of each mechanical coded lock 24 is mounted on the decorative door panel 203, the decorative door panel 203 is provided with a mounting groove 32 for accommodating the code dial 241 of the mechanical coded lock 24, and the code dial 241 is fixedly connected with the mandrel 243. In addition, the two opposite side surfaces of the two first racks 143 are respectively provided with an insertion hole 25 corresponding to the bolt 242 of the mechanical coded lock 24, the code dial 241 is rotated, and the bolt 242 of the mechanical coded lock 24 is in insertion fit with the corresponding insertion hole 25, so that the first racks 143 are locked, and the driving assembly 14 is fixed; when combination dial 241 is rotated to the desired position and decoded, locking tongue 242 automatically disengages from receptacle 25 and retracts into mechanical combination lock 24, thereby unlocking. In addition, in order to prevent the non-working person from rotating the combination dial 241, the decorative door panel 203 is provided with a locking plate 31 for covering the notch of the mounting groove 32, and one end of the locking plate 31 in the width direction is hinged with one side of the mounting groove 32. A fingerprint lock (not shown) for opening the locking plate 31 may be installed on a side of the locking plate 31 away from the hinge shaft.

Referring to fig. 4 and 5, the upper lock door panel 201 is provided with a cover plate 26 for covering the notch of the receiving groove 7, an abutting groove 28 for receiving the cover plate 26 is circumferentially formed in the notch of the receiving groove 7, the cover plate 26 abuts against the bottom of the abutting groove 28 toward the surface of one side of the receiving groove 7, and for firmly fixing the cover plate 26 in the abutting groove 28, the cover plate 26 is connected with the bottom of the abutting groove 28 at four side corners of the cover plate 26 by means of bolt and thread connection. Meanwhile, in order to facilitate the professional to replace the password of the mechanical password lock 24 without taking down the cover plate 26, the cover plate 26 is provided with an opening 27 for replacing the mechanical password lock 24, and the opening 27 is communicated with the accommodating groove 7. The cover plate 26 is provided with a baffle plate 29 for covering the opening 27, one end of the baffle plate 29 in the length direction is hinged with the cover plate 26, the baffle plate 29 is rotated, the baffle plate 29 covers the opening 27, and one side surface of the baffle plate 29 close to the opening 27 is abutted against the abutting groove 28. To prevent the unskilled person from opening the flap 29 at will, a locking hole 30 for locking and unlocking the flap 29 is installed at a side of the flap 29 away from the hinge shaft, and in the present embodiment, the locking hole 30 adopts a door lock structure in the related art.

The implementation principle of the vault door in the embodiment of the application is as follows: the door leaf 2 is additionally provided with a first moving plate 5 and a second moving plate 6, the first moving plate 5 is provided with a first positioning column 8, the second moving plate 6 is provided with a second positioning column 9, the first moving plate 5 and the second moving plate 6 move away from each other by utilizing a first gear 141, a second gear 142, a first rack 143 and a second rack 144 in the driving assembly 14, the first positioning column 8 extends out of the first mounting hole 10 and is in inserting fit with the first positioning hole 12, the second positioning column 9 extends out of the second mounting hole 11 and is in inserting fit with the second positioning hole 13, and the password dial plate is rotated to enable the bolt 242 of the mechanical password lock 24 to be inserted into the corresponding insertion hole 25, so that the first rack 143 is locked and fixed in the circumferential direction of the door leaf 2, the locking firmness of the vault door is enhanced, and the anti-theft effect is enhanced.

When the password dial 241 of the mechanical password lock 24 rotates to a required position, the lock tongue 242 of the mechanical password lock 24 is separated from the corresponding insertion hole 25, the rotating column 15 is rotated to rotate the first gear 141 and the second gear 142, the first rack 143 moves to move the two first moving plates 5 relatively, the first positioning column 8 is separated from the first positioning hole 12 and retracts into the accommodating groove 7 through the first mounting hole 10, the second rack 144 moves to move the two second moving plates 6 relatively, and the second positioning column 9 is separated from the second positioning hole 13 and retracts into the accommodating groove 7 through the second mounting hole 11, so that the vault door is unlocked.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a vault door, includes door frame (1) and door leaf (2), be provided with door opening (3) on door frame (1), door leaf (2) are used for the lid to close door opening (3), its characterized in that: the door comprises a door leaf (2), and is characterized in that two first moving plates (5) and two second moving plates (6) are arranged on the door leaf (2), a containing groove (7) for containing the two first moving plates (5) and the two second moving plates (6) is formed in one side surface of the door leaf (2), the two first moving plates (5) and the two second moving plates (6) are distributed along four sides of the containing groove (7), a driving assembly (14) for driving the two first moving plates (5) and the two second moving plates (6) to move simultaneously is arranged in the containing groove (7), a plurality of first positioning columns (8) are arranged on two side surfaces of the two first moving plates (5) which are deviated from each other, a plurality of second positioning columns (9) are arranged on two side surfaces of the two second moving plates (6) which are deviated from each other, a first mounting hole (10) and a second mounting hole (11) are formed in the circumferential direction of the groove wall of the containing groove (7), the first mounting holes (10) are used for extending and retracting the first positioning columns (8), the second mounting holes (11) are used for extending and retracting the second positioning columns (9), the inner side wall of the door opening (3) is provided with first positioning holes (12) and second positioning holes (13), when the door leaf (2) rotates and covers the door opening (3), the driving assembly (14) is driven, the first positioning columns (8) extend out of the first mounting holes (10) and are in plug-in fit with the first positioning holes (12), and the second positioning columns (9) extend out of the second mounting holes (11) and are in plug-in fit with the second positioning holes (13).

2. A vault door according to claim 1 wherein: the driving assembly (14) comprises two first gears (141), two second gears (142), two first racks (143) meshed with the first gears (141) and two second racks (144) meshed with the second gears (142), two rotating columns (15) are connected to the bottoms of the accommodating grooves (7) in a bearing mode, the two first gears (141) and the two second gears (142) are fixedly sleeved on the corresponding rotating columns (15) respectively, the two first racks (143) are located at two ends of the first gears (141), one ends of the two first racks (143) are connected with the two first moving plates (5) in a one-to-one correspondence mode, the two second racks (144) are located between the two second gears (142), and one ends of the two second racks (144) are connected with the two second moving plates (6) in a one-to-one correspondence mode respectively, the door leaf (2) is provided with a locking component for locking and unlocking the two first racks (143).

3. A vault door according to claim 2, wherein: the locking assembly is composed of two mechanical coded locks (24), the two mechanical coded locks (24) are arranged at the bottom of the accommodating groove (7) and are located between the two first gears (141), a coded dial (241) of each mechanical coded lock (24) is arranged on the door leaf (2), one surface, far away from the accommodating groove (7), of the door leaf (2 is provided with an installation groove (32) for accommodating the coded dial (241), the two first racks (143) are provided with lock holes (30) corresponding to lock bolts (242) of the mechanical coded locks (24), and when the mechanical coded locks (24) are locked, the lock bolts (242) are in inserted connection with the corresponding lock holes (30).

4. A vault door according to claim 2, wherein: the rotating column (15) penetrates through the bottom of the accommodating groove (7) and the door leaf (2), and the rotating column (15) extends out of the door leaf (2) and is fixedly connected with a rotating disc (16).

5. A vault door according to claim 1 wherein: the door leaf (2) is detachably connected with a cover plate (26) used for covering a notch of the accommodating groove (7), an opening (27) is formed in the cover plate (26), the opening (27) is communicated with the accommodating groove (7), a baffle (29) used for covering the opening (27) is arranged on the door leaf (2), and one end of the baffle (29) is hinged to the cover plate (26).

6. A vault door according to claim 5, wherein: and one end of the baffle plate (29) far away from the hinge shaft is provided with a lock hole (30) for opening and closing the baffle plate (29).

7. A vault door according to claim 1 wherein: a plurality of guide columns (19) are arranged on the notch of the containing groove (7), and the guide columns (19) are uniformly distributed on four sides of the bottom of the containing groove (7), the two ends of the first moving plate (5) in the length direction are both connected with a first guide plate (20), the first guide plate (20) is provided with a first guide groove (22), the two ends of the second moving plate (6) in the length direction are both connected with a second guide plate (21), a second guide groove (23) is formed in the second guide plate (21), the first guide plate (20) is located at one end, far away from the bottom of the accommodating groove (7), of the second guide plate (21), each guide column (19) penetrates through the first guide groove (22) and the second guide groove (23) in sequence, and is matched with the corresponding first guide groove (22) and the second guide groove (23) in a sliding way.

8. A vault door according to claim 7 wherein: and a limiting block is arranged at one end of each guide column (19) far away from the bottom of the accommodating groove (7).

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