CN211081313U

CN211081313U - Lock with a locking mechanism

Info

Publication number: CN211081313U
Application number: CN201920925994.6U
Authority: CN
Inventors: 杨潮山; 余华国
Original assignee: 杨潮山; 余华国
Current assignee: Zhejiang Ruiqiang Intelligent Technology Co.,Ltd.
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-07-24
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to a tool to lock technical field particularly, relates to a lock. The lock comprises a lock box, wherein a main tongue plate is arranged in the lock box, a main bolt and two auxiliary bolts are arranged on the main tongue plate, one end, opposite to the main bolt, of the main tongue plate is connected with a first guide plate, a second guide groove is formed in the first guide plate, the second guide groove is formed in the middle of the first guide plate, and tooth rows are arranged at two ends of the second guide groove; a rotating shaft is further arranged in the lock box and is arranged in the second guide groove, a gear is arranged at the bottom of the rotating shaft and is meshed with the left side gear row, and a driven gear is further arranged on the rotating shaft; the driven gear is driven by a driving device, the driving device comprises a motor, a gear transmission case and a driving gear, and the driving gear is meshed with the driven gear. The utility model discloses a gear realizes infinitely variable, unblanks and the in-process of locking, all can not send any sound, realizes the function of silence switch. And simultaneously, the utility model discloses also can realize that intelligence opens the door and the function of a key back lock.

Description

Lock with a locking mechanism

Technical Field

The utility model relates to a tool to lock technical field particularly, relates to a lock.

Background

When the intelligent lock on the existing market is unlocked, the noise is very high. The existing mechanical lock can be matched with an intelligent lock only by adding an electric control device outside a lock body, one is to add an electric control clutch device outside a door, so that the lock cannot be directly unlocked and locked, and only an external door handle is pressed to unlock the lock, and the other is full-automatic unlocking and locking, wherein an electric control controller is added inside the door to control a controlled component in the lock body, so that the lock can be directly unlocked and locked. The electric control clutch device and the electric control controller are both in a motor speed reduction and mechanical transmission mode, so that the rotating torque of the controlled motor is increased when the controlled motor works, larger noise can be emitted at the moment of unlocking and locking, and silent unlocking and locking cannot be realized.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model provides a lock has solved the big problem of lock noise among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

a lock comprises a lock box, wherein a main tongue plate is arranged in the lock box, a main bolt and two auxiliary bolts are arranged on the main tongue plate, one end, opposite to the main bolt, of the main tongue plate is connected with a first guide plate, a second guide groove is formed in the first guide plate, the second guide groove is formed in the middle of the first guide plate, and tooth rows are arranged at two ends of the second guide groove; a rotating shaft is further arranged in the lock box and is arranged in the second guide groove, a gear is arranged at the bottom of the rotating shaft and is meshed with the left side gear row, and a driven gear is further arranged on the rotating shaft; the driven gear is driven by a driving device, the driving device comprises a motor, a gear transmission case and a driving gear, and the driving gear is meshed with the driven gear.

When the main lock tongue and the auxiliary lock tongue need to be stretched out, the motor drives the driving gear to rotate anticlockwise, the driving gear drives the driven gear to rotate clockwise, and meanwhile the driving gear drives the gear to rotate clockwise, so that the guide plate is driven to move towards one side of the guide plate, the guide plate drives the main lock tongue to move towards one side of the guide plate, and the purpose of stretching the main lock tongue and the auxiliary lock tongue is achieved. When the main lock tongue and the auxiliary lock tongue are required to be retracted into the lock box, the motor drives the driving gear to rotate clockwise, the driving gear drives the driven gear and the gear to rotate anticlockwise, and meanwhile the guide plate is driven to move towards one side far away from the guide plate, so that the main lock tongue is driven to move towards one side far away from the guide plate, and the purpose of retracting the main lock tongue and the auxiliary lock tongue into the lock box is achieved.

Preferably, the lock box is further provided with a handle shaft, the handle shaft is sleeved with an inclined tongue poking piece, and the end part of the inclined tongue poking piece is arranged on the motion path of the inclined tongue guide piece; the lock comprises a lock box, a lock tongue, an oblique tongue guide sheet, an oblique tongue fixing sheet and a windproof oblique tongue, wherein the oblique tongue guide sheet is sleeved on the connecting rod, the oblique tongue guide sheet, the oblique tongue fixing sheet and the windproof oblique tongue are sequentially arranged on the connecting rod, the oblique tongue fixing sheet and the lock box are fixedly arranged, a reset spring is arranged between the oblique tongue fixing sheet and the windproof oblique tongue, the oblique tongue poking sheet is arranged between the oblique tongue fixing sheet and the oblique tongue guide sheet, the oblique tongue guide sheet and the windproof oblique tongue are fixedly connected with the connecting rod, and the oblique tongue fixing sheet is connected.

When the windproof inclined tongue needs to be retracted into the lock box, the handle is rotated to enable the handle shaft to rotate clockwise, and the inclined tongue guide piece is driven to move towards the direction far away from the guide plate, so that the windproof inclined tongue is retracted into the lock box, and the door opening action is realized. When the handle is loosened, the windproof latch bolt resets under the action of the reset spring, and the door can be conveniently closed.

Preferably, the lock box is provided with a first guide groove, the extending direction of the first guide groove is the same as the moving direction of the connecting rod, and two ends of the latch bolt guide piece are respectively provided with a sliding block matched with the first guide groove.

When the windproof inclined bolt needs to be retracted into the lock box or extend out of the lock box, the inclined bolt guide piece slides in the guide groove I, so that the inclined bolt guide piece can be ensured to move on the same straight line, and together with the inclined bolt fixing piece, the movement track of the windproof inclined bolt is effectively ensured to be always straight line and not to deviate, thereby preventing unnecessary faults such as clamping of the windproof inclined bolt and the like.

Preferably, a first microswitch, a second microswitch and a third microswitch are arranged in the lock box, a power-off piece is arranged on the main tongue plate, and the first microswitch is arranged on a motion path of the power-off piece; the second microswitch is arranged at the tail end of the motion path of the latch bolt guide sheet; the third microswitch is arranged on the side of the movement path of the oblique tongue guide piece, and after the windproof oblique tongue is completely extended out, the oblique tongue guide piece is contacted with the trigger end of the third microswitch.

When the main bolt is completely extended, the power-off piece touches the trigger end of the first micro switch, and whether the main bolt is extended in place or not can be judged through whether the first micro switch is triggered or not. Meanwhile, after the micro switch is triggered, the motor stops running, and the motor is prevented from being damaged. When the windproof inclined tongue is completely extended out, the inclined tongue guide piece touches the trigger end of the micro switch III, and whether the windproof inclined tongue is extended in place can be judged according to whether the micro switch III is triggered. When the wind-proof latch bolt is completely retracted into the lock box, the latch bolt guide sheet touches the trigger end of the micro switch II, and whether the wind-proof latch bolt is completely retracted into the lock box can be judged through whether the micro switch II is triggered. In addition, whether a fault occurs in the lock can be detected through the first microswitch, the second microswitch and the third microswitch, and the purpose of real-time fault alarm is achieved.

Preferably, a contact rod is arranged at an end of the latch tongue guide piece. Due to the arrangement of the contact rod, the oblique tongue guide piece can better trigger the micro switch II.

Preferably, a shifting connecting sheet is further arranged below the driven gear, the driven gear is fixedly connected with the shifting connecting sheet, a handle shifting sheet is further arranged on the handle shaft, clamping teeth are arranged on the edges of the handle shifting sheet and the shifting connecting sheet, and the shifting connecting sheet is arranged on a motion path of the handle shifting sheet along the anticlockwise motion.

When needs are locked reversely, can be through handle axle anticlockwise rotation, handle axle drives handle stirring piece anticlockwise rotation to with handle stirring piece with stir the connection piece meshing, the handle stirring piece drives at anticlockwise motion's in-process simultaneously and stirs the connection piece clockwise rotation, thereby drive stir the post earlier on one side motion of deflector, release the lock box with the main spring bolt, thereby realize the purpose of a key anti-lock. When the handle shaft rotates clockwise, the handle stirring piece is not contacted with any part, but the oblique tongue stirring piece can drive the oblique tongue guide piece to move towards the direction far away from the guide plate, so that the aim of retracting the windproof oblique tongue into the lock box is fulfilled.

Preferably, the lock box is further provided with a safety shifting block, the safety shifting block is provided with a rotating block, the rotating block is hinged to a second guide plate, one end of the second guide plate is hinged to the rotating block, the other end of the second guide plate is provided with a safety lock tongue, and the second guide plate penetrates through the main tongue plate. The safety shifting block operates independently, independent back locking can be performed in the door, and safety is improved.

Preferably, the guide plate II is provided with a guide groove IV, the guide groove IV is internally provided with a guide rod, and the guide rod is fixedly arranged on the lock box. The guide groove IV can ensure that the safety lock tongue moves linearly, so that the safety lock tongue is prevented from being clamped and the like.

Preferably, the lock box comprises an upper box body, a lower box body and a guide plate, wherein a plurality of C-shaped connecting supports are arranged on the guide plate, and the guide plate is detachably connected with the lock box through the connecting supports; a plurality of connecting columns are arranged between the upper box body and the lower box body, and the upper box body and the lower box body are detachably connected through the connecting columns; the section of the main tongue plate is C-shaped. Through dismantling and linking to each other, can let the lock box be convenient for streamlined production and equipment.

Preferably, the lock box is further provided with a lock cylinder hole, a mechanical lock cylinder is arranged in the lock cylinder hole, the output end of the mechanical lock cylinder is a gear, and the gear is meshed with the driven gear.

The utility model has the advantages that:

the utility model discloses a gear realizes infinitely variable, unblanks and the in-process of locking, all can not send any sound, realizes the function of silence switch. And simultaneously, the utility model discloses also can realize that intelligence opens the door and the function of a key back lock.

Drawings

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

FIG. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic structural view of the guide plate of the present invention;

fig. 5 is a schematic view of the driven gear of the present invention viewed from the bottom;

fig. 6 is a schematic structural view of the handle shifting piece of the present invention.

Description of reference numerals:

1. a guide plate; 2. a wind-proof latch bolt; 3. a connecting rod; 4. a return spring; 5. a handle toggle piece; 6. a main bolt; 7. a safety bolt; 8. connecting a bracket; 9. a secondary lock tongue; 10. a lock cylinder hole; 11. a top and bottom rod; 12. A power-off chip; 13. a first microswitch; 14. a safety shifting block; 15. a motor; 16. a gear change box; 17. A drive gear; 18. a first guide plate; 19. a rotating shaft; 20. a driven gear; 21. the latch bolt poking sheet; 22. a handle shaft; 23. a first guide groove; 24. a second microswitch; 25. a feeler lever; 26. a latch tongue guide tab; 27. A microswitch III; 28. connecting columns; 29. a main tongue plate; 30. rotating the block; 31. a second guide plate; 32. a fourth guide groove; 33. a guide bar; 34. a lock case; 35. the latch bolt fixing piece; 36. a tooth row; 37. shifting the connecting sheet; 38. and a second guide groove.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1 to 6, the present invention discloses a lock, which comprises a lock box 34, wherein a main tongue plate 29 is arranged in the lock box 34, a main tongue plate 6 and two auxiliary tongue plates 9 are arranged on the main tongue plate 29, one end of the main tongue plate 29 opposite to the main tongue plate 6 is connected with a first guide plate 18, a second guide groove 38 is arranged on the first guide plate 18, the second guide groove 38 is arranged in the middle of the first guide plate 18, and both ends of the second guide groove 38 are provided with a tooth row 36; a rotating shaft 19 is further arranged in the lock box 34, the rotating shaft 19 is arranged in a second guide groove 38, a gear is arranged at the bottom of the rotating shaft 19 and is meshed with the gear row 36, and a driven gear 20 is further arranged on the rotating shaft 19; the driven gear 20 is driven by a driving device comprising a motor 15, a gear box 16 and a driving gear 17, wherein the driving gear 17 is meshed with the driven gear 20.

When the main bolt 6 and the auxiliary bolt 9 need to be extended, the motor 15 drives the driving gear 17 to rotate anticlockwise, the driving gear 17 drives the driven gear to rotate clockwise, and meanwhile, the driving gear drives the gear to rotate clockwise, so that the first guide plate 18 is driven to move towards one side of the guide plate 1, the first guide plate 18 drives the main bolt 29 to move towards one side of the guide plate 1, and the purpose of extending the main bolt 6 and the auxiliary bolt 9 is achieved. When the main bolt 6 and the auxiliary bolt 9 need to be collected into the lock box 34, the motor 15 drives the driving gear 17 to rotate clockwise, the driving gear 17 drives the driven gear and the gear to rotate anticlockwise, and simultaneously drives the guide plate I18 to move towards one side far away from the guide plate 1, so that the main bolt 29 is driven to move towards one side far away from the guide plate 1, and the purpose of collecting the main bolt 6 and the auxiliary bolt 9 into the lock box 34 is achieved.

Example 2:

as shown in fig. 1 to 6, the present embodiment discloses a lock, which is substantially the same as embodiment 1 except that:

a handle shaft 22 is further arranged in the lock box 34, an oblique bolt toggle piece 21 is sleeved on the handle shaft 22, and the end part of the oblique bolt toggle piece 21 is arranged on the motion path of the oblique bolt guide piece 26; the oblique tongue guide piece 26 is sleeved on the connecting rod 3, the oblique tongue guide piece 26, the oblique tongue fixing piece 35 and the windproof oblique tongue 2 are sequentially arranged on the connecting rod 3, the oblique tongue fixing piece 35 is fixedly arranged with the lock box 34, the reset spring 4 is arranged between the oblique tongue fixing piece 35 and the windproof oblique tongue 2, the oblique tongue toggle piece 21 is arranged between the oblique tongue fixing piece 35 and the oblique tongue guide piece 26, the oblique tongue guide piece 26 and the windproof oblique tongue 2 are fixedly connected with the connecting rod 3, and the oblique tongue fixing piece 35 is connected with the connecting rod 3 in a sliding manner.

When the windproof latch bolt 2 needs to be retracted into the lock box 34, the handle is rotated to rotate the handle shaft 22 clockwise, so as to drive the latch bolt guide piece 26 to move in a direction away from the guide plate 1, and thus the windproof latch bolt 2 is retracted into the lock box 34 to realize the door opening action. When the handle is loosened, the windproof latch bolt 2 is reset under the action of the reset spring 4, so that the door can be conveniently closed.

Example 3:

as shown in fig. 1 to 6, the present embodiment discloses a lock, which is substantially the same as embodiment 2 except that:

the lock box 34 is provided with a first guide groove 23, the extending direction of the first guide groove 23 is the same as the moving direction of the connecting rod 3, and two ends of the latch bolt guide piece 26 are respectively provided with a sliding block matched with the first guide groove 23.

When the wind-proof latch bolt 2 needs to be retracted into the lock box 34 or extended out of the lock box 34, the latch bolt guide piece 26 slides in the first guide groove 23, so that the latch bolt guide piece 26 can be ensured to move on a straight line, and together with the latch bolt fixing piece 35, the movement track of the wind-proof latch bolt 2 is effectively ensured to be always straight and not to be deviated, thereby preventing unnecessary faults such as the wind-proof latch bolt 2 from being clamped and the like.

Example 4:

a first microswitch 13, a second microswitch 24 and a third microswitch 27 are arranged in the lock box 34, a power-off piece 12 is arranged on the main tongue plate 29, and the first microswitch 13 is arranged on the motion path of the power-off piece 12; the second microswitch 24 is arranged at the tail end of the motion path of the latch bolt guide sheet 26; the third microswitch 27 is arranged on the side of the movement path of the oblique tongue guide piece 26, and after the windproof oblique tongue 2 is completely extended out, the oblique tongue guide piece 26 is contacted with the trigger end of the third microswitch 27.

When the main bolt 6 is fully extended, the power-off piece 12 touches the trigger end of the first microswitch 13, and whether the main bolt 6 is extended in place can be judged by whether the first microswitch 13 is triggered. Meanwhile, after the first microswitch 13 is triggered, the motor 15 stops running, and the motor 15 is prevented from being damaged. When the wind-proof latch bolt 2 is completely extended, the latch bolt guide piece 26 touches the trigger end of the microswitch III 27, and whether the wind-proof latch bolt 2 is extended in place can be judged by whether the microswitch III 27 is triggered. When the wind-proof latch bolt 2 is completely retracted into the lock box 34, the latch bolt guide piece 26 touches the trigger end of the second microswitch 24, and whether the wind-proof latch bolt 2 is completely retracted into the lock box 34 can be judged by whether the second microswitch 24 is triggered or not. In addition, whether a fault occurs in the lock can be detected through the first microswitch 13, the second microswitch 24 and the third microswitch 27, and the purpose of real-time fault alarm is achieved.

Example 5:

as shown in fig. 1 to 6, the present embodiment discloses a lock, which is substantially the same as embodiment 4 except that:

the end of the latch bolt guide 26 is provided with a feeler lever 25. The contact rod 25 is arranged, so that the latch bolt guide piece 26 can better trigger the second micro switch 24.

Example 6:

a toggle connecting sheet 37 is further arranged below the driven gear 20, the driven gear 20 is fixedly connected with the toggle connecting sheet 37, a handle toggle sheet 5 is further arranged on the handle shaft 22, the edges of the handle toggle sheet 5 and the toggle connecting sheet 37 are both provided with clamping teeth, and the toggle connecting sheet 37 is arranged on a motion path of the handle toggle sheet 5 along the counterclockwise motion.

When needs are locked reversely, can be with handle axle 22 anticlockwise rotation through the handle, handle axle 22 drives 5 anticlockwise rotations of handle stirring piece to with handle stirring piece 5 with stir the engagement of connection piece 37, handle stirring piece 5 drives stirring connection piece 37 clockwise rotation at anticlockwise motion's in-process simultaneously, thereby drive stir the post one side motion of deflector 1 earlier on, release lock box 34 with main spring bolt 6, thereby realize the purpose of a key lock. When the handle shaft 22 rotates clockwise, the handle dialing piece 5 will not contact with any component, but the latch bolt dialing piece 21 can drive the latch bolt guiding piece 26 to move towards the direction far away from the guiding plate 1, thereby realizing the purpose of taking the wind-proof latch bolt 2 into the lock box 34.

Example 7:

the lock box 34 is also internally provided with a safety shifting block 14, the safety shifting block is provided with a rotating block 30, the rotating block 30 is hinged with a second guide plate 31, one end of the second guide plate 31 is hinged with the rotating block 30, the other end of the second guide plate is provided with a safety lock tongue 7, and the second guide plate 31 penetrates through the main tongue plate 29. The safety shifting block 14 operates independently, independent back locking can be carried out in the door, and safety is improved.

Example 8:

as shown in fig. 1 to 6, the present embodiment discloses a lock, and is substantially the same as embodiment 7 except that:

the second guide plate 31 is provided with a fourth guide groove 32, the fourth guide groove 32 is internally provided with a guide rod 33, and the guide rod 33 is fixedly arranged on the lock box 34. The fourth guide groove 32 can ensure that the safety lock tongue 7 moves linearly, and the situation of blocking and the like is prevented.

Example 9:

the lock box 34 comprises an upper box body, a lower box body and a guide plate 1, a plurality of C-shaped connecting supports 8 are arranged on the guide plate 1, and the guide plate 1 is detachably connected with the lock box 34 through the connecting supports 8; a plurality of connecting columns 28 are arranged between the upper box body and the lower box body, and the upper box body and the lower box body are detachably connected through the connecting columns 28; the section of the main tongue plate 29 is C-shaped. By being detachably connected, the lock case 34 can be easily produced and assembled in a streamlined manner.

Example 10:

the lock box 34 is further provided with a lock cylinder hole 10, a mechanical lock cylinder is arranged in the lock cylinder hole 10, the output end of the mechanical lock cylinder is a gear, and the gear is meshed with the driven gear 20.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A lock, characterized by: the lock comprises a lock box (34), wherein a main tongue plate (29) is arranged in the lock box (34), a main bolt (6) and two auxiliary bolts (9) are arranged on the main tongue plate (29), one end, opposite to the main bolt (6), of the main tongue plate (29) is connected with a first guide plate (18), a second guide groove (38) is arranged on the first guide plate (18), the second guide groove (38) is arranged in the middle of the first guide plate (18), and tooth rows (36) are arranged at two ends of the second guide groove (38); a rotating shaft (19) is further arranged in the lock box (34), the rotating shaft (19) is arranged in a second guide groove (38), a gear is arranged at the bottom of the rotating shaft (19), the gear is meshed with the gear row (36), and a driven gear (20) is further arranged on the rotating shaft (19); the driven gear (20) is driven by a driving device, the driving device comprises a motor (15), a gear box (16) and a driving gear (17), and the driving gear (17) is meshed with the driven gear (20).

2. The lock of claim 1, wherein: a handle shaft (22) is further arranged in the lock box (34), an oblique tongue poking sheet (21) is sleeved on the handle shaft (22), and the end part of the oblique tongue poking sheet (21) is arranged on the motion path of the oblique tongue guide sheet (26); oblique tongue direction piece (26) cover is established on connecting rod (3), has set gradually oblique tongue direction piece (26), oblique tongue stationary blade (35) and prevent wind oblique tongue (2) on connecting rod (3), oblique tongue stationary blade (35) and lock box (34) are fixed to be set up, are provided with reset spring (4) between oblique tongue stationary blade (35) and prevent wind oblique tongue (2), oblique tongue stirring piece (21) sets up between oblique tongue stationary blade (35) and oblique tongue guide piece (26), oblique tongue guide piece (26) and prevent wind oblique tongue (2) all are fixed continuous with connecting rod (3), and oblique tongue stationary blade (35) and connecting rod (3) slidable link to each other.

3. The lock of claim 2, wherein: the lock box (34) is provided with a first guide groove (23), the extending direction of the first guide groove (23) is the same as the moving direction of the connecting rod (3), and two ends of the latch bolt guide piece (26) are respectively provided with a sliding block matched with the first guide groove (23).

4. The lock of claim 2, wherein: a first microswitch (13), a second microswitch (24) and a third microswitch (27) are arranged in the lock box (34), a power-off piece (12) is arranged on the main tongue plate (29), and the first microswitch (13) is arranged on a motion path of the power-off piece (12); the second microswitch (24) is arranged at the tail end of the motion path of the latch bolt guide sheet (26); the third microswitch (27) is arranged on the side of the movement path of the oblique tongue guide sheet (26), and after the windproof oblique tongue (2) is completely extended out, the oblique tongue guide sheet (26) is contacted with the trigger end of the third microswitch (27).

5. The lock of claim 4, wherein: and a contact rod (25) is arranged at the end part of the latch bolt guide sheet (26).

6. The lock of claim 2, wherein: the handle is characterized in that a toggle connecting sheet (37) is further arranged below the driven gear (20), the driven gear (20) is fixedly connected with the toggle connecting sheet (37), a handle toggle sheet (5) is further arranged on the handle shaft (22), clamping teeth are arranged on the edges of the handle toggle sheet (5) and the toggle connecting sheet (37), and the toggle connecting sheet (37) is arranged on a motion path of the handle toggle sheet (5) along anticlockwise motion.

7. The lock of claim 2, wherein: the lock box (34) is also internally provided with a safety shifting block (14), the safety shifting block is provided with a rotating block (30), the rotating block (30) is hinged with a second guide plate (31), one end of the second guide plate (31) is hinged with the rotating block (30), the other end of the second guide plate (31) is provided with a safety lock tongue (7), and the second guide plate (31) is arranged in the main tongue plate (29) in a penetrating manner.

8. The lock of claim 7, wherein: and a guide groove IV (32) is formed in the guide plate II (31), a guide rod (33) is arranged in the guide groove IV (32), and the guide rod (33) is fixedly arranged on the lock box (34).

9. The lock of claim 1, wherein: the lock box (34) comprises an upper box body, a lower box body and a guide plate (1), a plurality of C-shaped connecting supports (8) are arranged on the guide plate (1), and the guide plate (1) is detachably connected with the lock box (34) through the connecting supports (8); a plurality of connecting columns (28) are arranged between the upper box body and the lower box body, and the upper box body and the lower box body are detachably connected through the connecting columns (28); the section of the main tongue plate (29) is C-shaped.

10. The lock of claim 1, wherein: the lock box (34) is further provided with a lock cylinder hole (10), a mechanical lock cylinder is arranged in the lock cylinder hole (10), the output end of the mechanical lock cylinder is a gear, and the gear is meshed with the driven gear (20).